From 06f409d76f1d382167eb1cadde2e23a73272865d Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 7 Apr 2009 18:10:13 +0100 Subject: ASoC: Provide core support for symmetric sample rates Many devices require symmetric configurations of capture and playback data formats, often due to shared clocking but sometimes also due to other shared playback and record configuration in the device. Start providing core support for this by allowing the DAIs or the machine to specify that the sample rates used should be kept symmetric. A flag symmetric_rates is provided in the snd_soc_dai and snd_soc_dai_link structures. If this is set in either of the DAIs or in the machine then a constraint will be applied when a stream is already open preventing any changes in sample rate. Signed-off-by: Mark Brown --- include/sound/soc-dai.h | 1 + include/sound/soc.h | 6 ++++++ 2 files changed, 7 insertions(+) (limited to 'include') diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 13676472ddfc..22b729fbbf84 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -208,6 +208,7 @@ struct snd_soc_dai { /* DAI capabilities */ struct snd_soc_pcm_stream capture; struct snd_soc_pcm_stream playback; + unsigned int symmetric_rates:1; /* DAI runtime info */ struct snd_pcm_runtime *runtime; diff --git a/include/sound/soc.h b/include/sound/soc.h index a40bc6f316fc..b1f2f8819fea 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -417,6 +417,12 @@ struct snd_soc_dai_link { /* codec/machine specific init - e.g. add machine controls */ int (*init)(struct snd_soc_codec *codec); + /* Symmetry requirements */ + unsigned int symmetric_rates:1; + + /* Symmetry data - only valid if symmetry is being enforced */ + unsigned int rate; + /* DAI pcm */ struct snd_pcm *pcm; }; -- cgit v1.2.3 From 1c1452be2e9ae282a7316c3b23987811bd7acda6 Mon Sep 17 00:00:00 2001 From: Jonas Larsson Date: Tue, 31 Mar 2009 11:16:48 +0200 Subject: atmel-mci: Add support for inverted detect pin Same patch as before, modified to use bool. Also adds description of the new field in struct atmel_mci that I missed in the first patch. This patch adds Atmel MCI support for inverted detect pins. Signed-off-by: Jonas Larsson Acked-by: Pierre Ossman Signed-off-by: Haavard Skinnemoen --- drivers/mmc/host/atmel-mci.c | 12 +++++++++--- include/linux/atmel-mci.h | 2 ++ 2 files changed, 11 insertions(+), 3 deletions(-) (limited to 'include') diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c index cf6a100bb38f..7b603e4b41db 100644 --- a/drivers/mmc/host/atmel-mci.c +++ b/drivers/mmc/host/atmel-mci.c @@ -177,6 +177,7 @@ struct atmel_mci { * available. * @wp_pin: GPIO pin used for card write protect sending, or negative * if not available. + * @detect_is_active_high: The state of the detect pin when it is active. * @detect_timer: Timer used for debouncing @detect_pin interrupts. */ struct atmel_mci_slot { @@ -196,6 +197,7 @@ struct atmel_mci_slot { int detect_pin; int wp_pin; + bool detect_is_active_high; struct timer_list detect_timer; }; @@ -924,7 +926,8 @@ static int atmci_get_cd(struct mmc_host *mmc) struct atmel_mci_slot *slot = mmc_priv(mmc); if (gpio_is_valid(slot->detect_pin)) { - present = !gpio_get_value(slot->detect_pin); + present = !(gpio_get_value(slot->detect_pin) ^ + slot->detect_is_active_high); dev_dbg(&mmc->class_dev, "card is %spresent\n", present ? "" : "not "); } @@ -1028,7 +1031,8 @@ static void atmci_detect_change(unsigned long data) return; enable_irq(gpio_to_irq(slot->detect_pin)); - present = !gpio_get_value(slot->detect_pin); + present = !(gpio_get_value(slot->detect_pin) ^ + slot->detect_is_active_high); present_old = test_bit(ATMCI_CARD_PRESENT, &slot->flags); dev_vdbg(&slot->mmc->class_dev, "detect change: %d (was %d)\n", @@ -1456,6 +1460,7 @@ static int __init atmci_init_slot(struct atmel_mci *host, slot->host = host; slot->detect_pin = slot_data->detect_pin; slot->wp_pin = slot_data->wp_pin; + slot->detect_is_active_high = slot_data->detect_is_active_high; slot->sdc_reg = sdc_reg; mmc->ops = &atmci_ops; @@ -1477,7 +1482,8 @@ static int __init atmci_init_slot(struct atmel_mci *host, if (gpio_request(slot->detect_pin, "mmc_detect")) { dev_dbg(&mmc->class_dev, "no detect pin available\n"); slot->detect_pin = -EBUSY; - } else if (gpio_get_value(slot->detect_pin)) { + } else if (gpio_get_value(slot->detect_pin) ^ + slot->detect_is_active_high) { clear_bit(ATMCI_CARD_PRESENT, &slot->flags); } } diff --git a/include/linux/atmel-mci.h b/include/linux/atmel-mci.h index 2f1f95737acb..57b1846a3c87 100644 --- a/include/linux/atmel-mci.h +++ b/include/linux/atmel-mci.h @@ -10,6 +10,7 @@ * @bus_width: Number of data lines wired up the slot * @detect_pin: GPIO pin wired to the card detect switch * @wp_pin: GPIO pin wired to the write protect sensor + * @detect_is_active_high: The state of the detect pin when it is active * * If a given slot is not present on the board, @bus_width should be * set to 0. The other fields are ignored in this case. @@ -24,6 +25,7 @@ struct mci_slot_pdata { unsigned int bus_width; int detect_pin; int wp_pin; + bool detect_is_active_high; }; /** -- cgit v1.2.3 From f6d655a6e6974e474a11b25052c29d10b80814b3 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 13 Apr 2009 11:27:03 +0100 Subject: ASoC: Support DAPM events for DACs and ADCs Signed-off-by: Mark Brown --- include/sound/soc-dapm.h | 10 ++++++++++ sound/soc/soc-dapm.c | 16 ++++++++++------ 2 files changed, 20 insertions(+), 6 deletions(-) (limited to 'include') diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index a7def6a9a030..fcc929da0339 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -140,9 +140,19 @@ #define SND_SOC_DAPM_DAC(wname, stname, wreg, wshift, winvert) \ { .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ .shift = wshift, .invert = winvert} +#define SND_SOC_DAPM_DAC_E(wname, stname, wreg, wshift, winvert, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_dac, .name = wname, .sname = stname, .reg = wreg, \ + .shift = wshift, .invert = winvert, \ + .event = wevent, .event_flags = wflags} #define SND_SOC_DAPM_ADC(wname, stname, wreg, wshift, winvert) \ { .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ .shift = wshift, .invert = winvert} +#define SND_SOC_DAPM_ADC_E(wname, stname, wreg, wshift, winvert, \ + wevent, wflags) \ +{ .id = snd_soc_dapm_adc, .name = wname, .sname = stname, .reg = wreg, \ + .shift = wshift, .invert = winvert, \ + .event = wevent, .event_flags = wflags} /* generic register modifier widget */ #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 713d12586705..a6d73379ab32 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -598,18 +598,22 @@ static int dapm_power_widget(struct snd_soc_codec *codec, int event, if (w->id == snd_soc_dapm_adc && w->active) { in = is_connected_input_ep(w); dapm_clear_walk(w->codec); - w->power = (in != 0) ? 1 : 0; - dapm_update_bits(w); - return 0; + power = (in != 0) ? 1 : 0; + if (power == w->power) + return 0; + w->power = power; + return dapm_generic_apply_power(w); } /* active DAC */ if (w->id == snd_soc_dapm_dac && w->active) { out = is_connected_output_ep(w); dapm_clear_walk(w->codec); - w->power = (out != 0) ? 1 : 0; - dapm_update_bits(w); - return 0; + power = (out != 0) ? 1 : 0; + if (power == w->power) + return 0; + w->power = power; + return dapm_generic_apply_power(w); } /* pre and post event widgets */ -- cgit v1.2.3 From 02bec490450836ebbd628e97ec03f10b57def8ce Mon Sep 17 00:00:00 2001 From: Tim Blechmann Date: Tue, 24 Mar 2009 12:24:35 +0100 Subject: ALSA: lx6464es - driver for the digigram lx6464es interface prototype of a driver for the digigram lx6464es 64 channel ethersound interface. Signed-off-by: Tim Blechmann Signed-off-by: Takashi Iwai --- include/linux/pci_ids.h | 5 + sound/pci/Kconfig | 10 + sound/pci/Makefile | 1 + sound/pci/lx6464es/Makefile | 2 + sound/pci/lx6464es/lx6464es.c | 1152 ++++++++++++++++++++++++++++++++ sound/pci/lx6464es/lx6464es.h | 114 ++++ sound/pci/lx6464es/lx_core.c | 1442 +++++++++++++++++++++++++++++++++++++++++ sound/pci/lx6464es/lx_core.h | 242 +++++++ sound/pci/lx6464es/lx_defs.h | 376 +++++++++++ 9 files changed, 3344 insertions(+) create mode 100644 sound/pci/lx6464es/Makefile create mode 100644 sound/pci/lx6464es/lx6464es.c create mode 100644 sound/pci/lx6464es/lx6464es.h create mode 100644 sound/pci/lx6464es/lx_core.c create mode 100644 sound/pci/lx6464es/lx_core.h create mode 100644 sound/pci/lx6464es/lx_defs.h (limited to 'include') diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index ee98cd570885..2b1a69598e74 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1005,6 +1005,7 @@ #define PCI_DEVICE_ID_PLX_PCI200SYN 0x3196 #define PCI_DEVICE_ID_PLX_9030 0x9030 #define PCI_DEVICE_ID_PLX_9050 0x9050 +#define PCI_DEVICE_ID_PLX_9056 0x9056 #define PCI_DEVICE_ID_PLX_9080 0x9080 #define PCI_DEVICE_ID_PLX_GTEK_SERIAL2 0xa001 @@ -1847,6 +1848,10 @@ #define PCI_SUBDEVICE_ID_HYPERCOPE_METRO 0x0107 #define PCI_SUBDEVICE_ID_HYPERCOPE_CHAMP2 0x0108 +#define PCI_VENDOR_ID_DIGIGRAM 0x1369 +#define PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_SERIAL_SUBSYSTEM 0xc001 +#define PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_CAE_SERIAL_SUBSYSTEM 0xc002 + #define PCI_VENDOR_ID_KAWASAKI 0x136b #define PCI_DEVICE_ID_MCHIP_KL5A72002 0xff01 diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 93422e3a3f0c..e912b70b6f9c 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -622,6 +622,16 @@ config SND_KORG1212 To compile this driver as a module, choose M here: the module will be called snd-korg1212. +config SND_LX6464ES + tristate "Digigram LX6464ES" + select SND_PCM + help + Say Y here to include support for Digigram LX6464ES boards. + + To compile this driver as a module, choose M here: the module + will be called snd-lx6464es. + + config SND_MAESTRO3 tristate "ESS Allegro/Maestro3" select SND_AC97_CODEC diff --git a/sound/pci/Makefile b/sound/pci/Makefile index 65b25d221cd2..7d83e084dcf4 100644 --- a/sound/pci/Makefile +++ b/sound/pci/Makefile @@ -62,6 +62,7 @@ obj-$(CONFIG_SND) += \ ca0106/ \ cs46xx/ \ cs5535audio/ \ + lx6464es/ \ echoaudio/ \ emu10k1/ \ hda/ \ diff --git a/sound/pci/lx6464es/Makefile b/sound/pci/lx6464es/Makefile new file mode 100644 index 000000000000..eb04a6c73d8b --- /dev/null +++ b/sound/pci/lx6464es/Makefile @@ -0,0 +1,2 @@ +snd-lx6464es-objs := lx6464es.o lx_core.o +obj-$(CONFIG_SND_LX6464ES) += snd-lx6464es.o diff --git a/sound/pci/lx6464es/lx6464es.c b/sound/pci/lx6464es/lx6464es.c new file mode 100644 index 000000000000..7bc8b8caa992 --- /dev/null +++ b/sound/pci/lx6464es/lx6464es.c @@ -0,0 +1,1152 @@ +/* -*- linux-c -*- * + * + * ALSA driver for the digigram lx6464es interface + * + * Copyright (c) 2008, 2009 Tim Blechmann + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + +#include +#include +#include +#include + +#include +#include +#include + +#include "lx6464es.h" + +MODULE_AUTHOR("Tim Blechmann"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("digigram lx6464es"); +MODULE_SUPPORTED_DEVICE("{digigram lx6464es{}}"); + + +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; +static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; + +static const char card_name[] = "LX6464ES"; + + +#define PCI_DEVICE_ID_PLX_LX6464ES PCI_DEVICE_ID_PLX_9056 + +static struct pci_device_id snd_lx6464es_ids[] = { + { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_LX6464ES), + .subvendor = PCI_VENDOR_ID_DIGIGRAM, + .subdevice = PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_SERIAL_SUBSYSTEM + }, /* LX6464ES */ + { PCI_DEVICE(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_LX6464ES), + .subvendor = PCI_VENDOR_ID_DIGIGRAM, + .subdevice = PCI_SUBDEVICE_ID_DIGIGRAM_LX6464ES_CAE_SERIAL_SUBSYSTEM + }, /* LX6464ES-CAE */ + { 0, }, +}; + +MODULE_DEVICE_TABLE(pci, snd_lx6464es_ids); + + + +/* PGO pour USERo dans le registre pci_0x06/loc_0xEC */ +#define CHIPSC_RESET_XILINX (1L<<16) + + +/* alsa callbacks */ +static struct snd_pcm_hardware lx_caps = { + .info = (SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_SYNC_START), + .formats = (SNDRV_PCM_FMTBIT_S16_LE | + SNDRV_PCM_FMTBIT_S16_BE | + SNDRV_PCM_FMTBIT_S24_3LE | + SNDRV_PCM_FMTBIT_S24_3BE), + .rates = (SNDRV_PCM_RATE_CONTINUOUS | + SNDRV_PCM_RATE_8000_192000), + .rate_min = 8000, + .rate_max = 192000, + .channels_min = 2, + .channels_max = 64, + .buffer_bytes_max = 64*2*3*MICROBLAZE_IBL_MAX*MAX_STREAM_BUFFER, + .period_bytes_min = (2*2*MICROBLAZE_IBL_MIN*2), + .period_bytes_max = (4*64*MICROBLAZE_IBL_MAX*MAX_STREAM_BUFFER), + .periods_min = 2, + .periods_max = MAX_STREAM_BUFFER, +}; + +static int lx_set_granularity(struct lx6464es *chip, u32 gran); + + +static int lx_hardware_open(struct lx6464es *chip, + struct snd_pcm_substream *substream) +{ + int err = 0; + struct snd_pcm_runtime *runtime = substream->runtime; + int channels = runtime->channels; + int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); + + snd_pcm_uframes_t period_size = runtime->period_size; + + snd_printd(LXP "allocating pipe for %d channels\n", channels); + err = lx_pipe_allocate(chip, 0, is_capture, channels); + if (err < 0) { + snd_printk(KERN_ERR LXP "allocating pipe failed\n"); + return err; + } + + err = lx_set_granularity(chip, period_size); + if (err < 0) { + snd_printk(KERN_ERR LXP "setting granularity to %ld failed\n", + period_size); + return err; + } + + return 0; +} + +static int lx_hardware_start(struct lx6464es *chip, + struct snd_pcm_substream *substream) +{ + int err = 0; + struct snd_pcm_runtime *runtime = substream->runtime; + int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); + + snd_printd(LXP "setting stream format\n"); + err = lx_stream_set_format(chip, runtime, 0, is_capture); + if (err < 0) { + snd_printk(KERN_ERR LXP "setting stream format failed\n"); + return err; + } + + snd_printd(LXP "starting pipe\n"); + err = lx_pipe_start(chip, 0, is_capture); + if (err < 0) { + snd_printk(KERN_ERR LXP "starting pipe failed\n"); + return err; + } + + snd_printd(LXP "waiting for pipe to start\n"); + err = lx_pipe_wait_for_start(chip, 0, is_capture); + if (err < 0) { + snd_printk(KERN_ERR LXP "waiting for pipe failed\n"); + return err; + } + + return err; +} + + +static int lx_hardware_stop(struct lx6464es *chip, + struct snd_pcm_substream *substream) +{ + int err = 0; + int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); + + snd_printd(LXP "pausing pipe\n"); + err = lx_pipe_pause(chip, 0, is_capture); + if (err < 0) { + snd_printk(KERN_ERR LXP "pausing pipe failed\n"); + return err; + } + + snd_printd(LXP "waiting for pipe to become idle\n"); + err = lx_pipe_wait_for_idle(chip, 0, is_capture); + if (err < 0) { + snd_printk(KERN_ERR LXP "waiting for pipe failed\n"); + return err; + } + + snd_printd(LXP "stopping pipe\n"); + err = lx_pipe_stop(chip, 0, is_capture); + if (err < 0) { + snd_printk(LXP "stopping pipe failed\n"); + return err; + } + + return err; +} + + +static int lx_hardware_close(struct lx6464es *chip, + struct snd_pcm_substream *substream) +{ + int err = 0; + int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); + + snd_printd(LXP "releasing pipe\n"); + err = lx_pipe_release(chip, 0, is_capture); + if (err < 0) { + snd_printk(LXP "releasing pipe failed\n"); + return err; + } + + return err; +} + + +static int lx_pcm_open(struct snd_pcm_substream *substream) +{ + struct lx6464es *chip = snd_pcm_substream_chip(substream); + struct snd_pcm_runtime *runtime = substream->runtime; + int err = 0; + int board_rate; + + snd_printdd("->lx_pcm_open\n"); + mutex_lock(&chip->setup_mutex); + + /* copy the struct snd_pcm_hardware struct */ + runtime->hw = lx_caps; + +#if 0 + /* buffer-size should better be multiple of period-size */ + err = snd_pcm_hw_constraint_integer(runtime, + SNDRV_PCM_HW_PARAM_PERIODS); + if (err < 0) { + snd_printk(KERN_WARNING LXP "could not constrain periods\n"); + goto exit; + } +#endif + + /* the clock rate cannot be changed */ + board_rate = chip->board_sample_rate; + err = snd_pcm_hw_constraint_minmax(runtime, SNDRV_PCM_HW_PARAM_RATE, + board_rate, board_rate); + + if (err < 0) { + snd_printk(KERN_WARNING LXP "could not constrain periods\n"); + goto exit; + } + + /* constrain period size */ + err = snd_pcm_hw_constraint_minmax(runtime, + SNDRV_PCM_HW_PARAM_PERIOD_SIZE, + MICROBLAZE_IBL_MIN, + MICROBLAZE_IBL_MAX); + if (err < 0) { + snd_printk(KERN_WARNING LXP + "could not constrain period size\n"); + goto exit; + } + + snd_pcm_hw_constraint_step(runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, 32); + + snd_pcm_set_sync(substream); + err = 0; + +exit: + runtime->private_data = chip; + + mutex_unlock(&chip->setup_mutex); + snd_printdd("<-lx_pcm_open, %d\n", err); + return err; +} + +static int lx_pcm_close(struct snd_pcm_substream *substream) +{ + int err = 0; + snd_printdd("->lx_pcm_close\n"); + return err; +} + +static snd_pcm_uframes_t lx_pcm_stream_pointer(struct snd_pcm_substream + *substream) +{ + struct lx6464es *chip = snd_pcm_substream_chip(substream); + snd_pcm_uframes_t pos; + unsigned long flags; + int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); + + struct lx_stream *lx_stream = is_capture ? &chip->capture_stream : + &chip->playback_stream; + + snd_printdd("->lx_pcm_stream_pointer\n"); + + spin_lock_irqsave(&chip->lock, flags); + pos = lx_stream->frame_pos * substream->runtime->period_size; + spin_unlock_irqrestore(&chip->lock, flags); + + snd_printdd(LXP "stream_pointer at %ld\n", pos); + return pos; +} + +static int lx_pcm_prepare(struct snd_pcm_substream *substream) +{ + struct lx6464es *chip = snd_pcm_substream_chip(substream); + int err = 0; + const int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); + + snd_printdd("->lx_pcm_prepare\n"); + + mutex_lock(&chip->setup_mutex); + + if (chip->hardware_running[is_capture]) { + err = lx_hardware_stop(chip, substream); + if (err < 0) { + snd_printk(KERN_ERR LXP "failed to stop hardware. " + "Error code %d\n", err); + goto exit; + } + + err = lx_hardware_close(chip, substream); + if (err < 0) { + snd_printk(KERN_ERR LXP "failed to close hardware. " + "Error code %d\n", err); + goto exit; + } + } + + snd_printd(LXP "opening hardware\n"); + err = lx_hardware_open(chip, substream); + if (err < 0) { + snd_printk(KERN_ERR LXP "failed to open hardware. " + "Error code %d\n", err); + goto exit; + } + + err = lx_hardware_start(chip, substream); + if (err < 0) { + snd_printk(KERN_ERR LXP "failed to start hardware. " + "Error code %d\n", err); + goto exit; + } + + chip->hardware_running[is_capture] = 1; + + if (chip->board_sample_rate != substream->runtime->rate) { + if (!err) + chip->board_sample_rate = substream->runtime->rate; + } + +exit: + mutex_unlock(&chip->setup_mutex); + return err; +} + +static int lx_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params, int is_capture) +{ + struct lx6464es *chip = snd_pcm_substream_chip(substream); + int err = 0; + + snd_printdd("->lx_pcm_hw_params\n"); + + mutex_lock(&chip->setup_mutex); + + /* set dma buffer */ + err = snd_pcm_lib_malloc_pages(substream, + params_buffer_bytes(hw_params)); + + if (is_capture) + chip->capture_stream.stream = substream; + else + chip->playback_stream.stream = substream; + + mutex_unlock(&chip->setup_mutex); + return err; +} + +static int lx_pcm_hw_params_playback(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + return lx_pcm_hw_params(substream, hw_params, 0); +} + +static int lx_pcm_hw_params_capture(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *hw_params) +{ + return lx_pcm_hw_params(substream, hw_params, 1); +} + +static int lx_pcm_hw_free(struct snd_pcm_substream *substream) +{ + struct lx6464es *chip = snd_pcm_substream_chip(substream); + int err = 0; + int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); + + snd_printdd("->lx_pcm_hw_free\n"); + mutex_lock(&chip->setup_mutex); + + if (chip->hardware_running[is_capture]) { + err = lx_hardware_stop(chip, substream); + if (err < 0) { + snd_printk(KERN_ERR LXP "failed to stop hardware. " + "Error code %d\n", err); + goto exit; + } + + err = lx_hardware_close(chip, substream); + if (err < 0) { + snd_printk(KERN_ERR LXP "failed to close hardware. " + "Error code %d\n", err); + goto exit; + } + + chip->hardware_running[is_capture] = 0; + } + + err = snd_pcm_lib_free_pages(substream); + + if (is_capture) + chip->capture_stream.stream = 0; + else + chip->playback_stream.stream = 0; + +exit: + mutex_unlock(&chip->setup_mutex); + return err; +} + +static void lx_trigger_start(struct lx6464es *chip, struct lx_stream *lx_stream) +{ + struct snd_pcm_substream *substream = lx_stream->stream; + const int is_capture = lx_stream->is_capture; + + int err; + + const u32 channels = substream->runtime->channels; + const u32 bytes_per_frame = channels * 3; + const u32 period_size = substream->runtime->period_size; + const u32 periods = substream->runtime->periods; + const u32 period_bytes = period_size * bytes_per_frame; + + dma_addr_t buf = substream->dma_buffer.addr; + int i; + + u32 needed, freed; + u32 size_array[5]; + + for (i = 0; i != periods; ++i) { + u32 buffer_index = 0; + + err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, + size_array); + snd_printdd(LXP "starting: needed %d, freed %d\n", + needed, freed); + + err = lx_buffer_give(chip, 0, is_capture, period_bytes, + lower_32_bits(buf), upper_32_bits(buf), + &buffer_index); + + snd_printdd(LXP "starting: buffer index %x on %p (%d bytes)\n", + buffer_index, (void *)buf, period_bytes); + buf += period_bytes; + } + + err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, size_array); + snd_printdd(LXP "starting: needed %d, freed %d\n", needed, freed); + + snd_printd(LXP "starting: starting stream\n"); + err = lx_stream_start(chip, 0, is_capture); + if (err < 0) + snd_printk(KERN_ERR LXP "couldn't start stream\n"); + else + lx_stream->status = LX_STREAM_STATUS_RUNNING; + + lx_stream->frame_pos = 0; +} + +static void lx_trigger_stop(struct lx6464es *chip, struct lx_stream *lx_stream) +{ + const int is_capture = lx_stream->is_capture; + int err; + + snd_printd(LXP "stopping: stopping stream\n"); + err = lx_stream_stop(chip, 0, is_capture); + if (err < 0) + snd_printk(KERN_ERR LXP "couldn't stop stream\n"); + else + lx_stream->status = LX_STREAM_STATUS_FREE; + +} + +static void lx_trigger_tasklet_dispatch_stream(struct lx6464es *chip, + struct lx_stream *lx_stream) +{ + switch (lx_stream->status) { + case LX_STREAM_STATUS_SCHEDULE_RUN: + lx_trigger_start(chip, lx_stream); + break; + + case LX_STREAM_STATUS_SCHEDULE_STOP: + lx_trigger_stop(chip, lx_stream); + break; + + default: + break; + } +} + +static void lx_trigger_tasklet(unsigned long data) +{ + struct lx6464es *chip = (struct lx6464es *)data; + unsigned long flags; + + snd_printdd("->lx_trigger_tasklet\n"); + + spin_lock_irqsave(&chip->lock, flags); + lx_trigger_tasklet_dispatch_stream(chip, &chip->capture_stream); + lx_trigger_tasklet_dispatch_stream(chip, &chip->playback_stream); + spin_unlock_irqrestore(&chip->lock, flags); +} + +static int lx_pcm_trigger_dispatch(struct lx6464es *chip, + struct lx_stream *lx_stream, int cmd) +{ + int err = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + lx_stream->status = LX_STREAM_STATUS_SCHEDULE_RUN; + break; + + case SNDRV_PCM_TRIGGER_STOP: + lx_stream->status = LX_STREAM_STATUS_SCHEDULE_STOP; + break; + + default: + err = -EINVAL; + goto exit; + } + tasklet_schedule(&chip->trigger_tasklet); + +exit: + return err; +} + + +static int lx_pcm_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct lx6464es *chip = snd_pcm_substream_chip(substream); + const int is_capture = (substream->stream == SNDRV_PCM_STREAM_CAPTURE); + struct lx_stream *stream = is_capture ? &chip->capture_stream : + &chip->playback_stream; + + snd_printdd("->lx_pcm_trigger\n"); + + return lx_pcm_trigger_dispatch(chip, stream, cmd); +} + +static int snd_lx6464es_free(struct lx6464es *chip) +{ + snd_printdd("->snd_lx6464es_free\n"); + + lx_irq_disable(chip); + + if (chip->irq >= 0) + free_irq(chip->irq, chip); + + iounmap(chip->port_dsp_bar); + ioport_unmap(chip->port_plx_remapped); + + pci_release_regions(chip->pci); + pci_disable_device(chip->pci); + + kfree(chip); + + return 0; +} + +static int snd_lx6464es_dev_free(struct snd_device *device) +{ + return snd_lx6464es_free(device->device_data); +} + +/* reset the dsp during initialization */ +static int __devinit lx_init_xilinx_reset(struct lx6464es *chip) +{ + int i; + u32 plx_reg = lx_plx_reg_read(chip, ePLX_CHIPSC); + + snd_printdd("->lx_init_xilinx_reset\n"); + + /* activate reset of xilinx */ + plx_reg &= ~CHIPSC_RESET_XILINX; + + lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg); + msleep(1); + + lx_plx_reg_write(chip, ePLX_MBOX3, 0); + msleep(1); + + plx_reg |= CHIPSC_RESET_XILINX; + lx_plx_reg_write(chip, ePLX_CHIPSC, plx_reg); + + /* deactivate reset of xilinx */ + for (i = 0; i != 100; ++i) { + u32 reg_mbox3; + msleep(10); + reg_mbox3 = lx_plx_reg_read(chip, ePLX_MBOX3); + if (reg_mbox3) { + snd_printd(LXP "xilinx reset done\n"); + snd_printdd(LXP "xilinx took %d loops\n", i); + break; + } + } + + /* todo: add some error handling? */ + + /* clear mr */ + lx_dsp_reg_write(chip, eReg_CSM, 0); + + /* le xilinx ES peut ne pas etre encore pret, on attend. */ + msleep(600); + + return 0; +} + +static int __devinit lx_init_xilinx_test(struct lx6464es *chip) +{ + u32 reg; + + snd_printdd("->lx_init_xilinx_test\n"); + + /* TEST if we have access to Xilinx/MicroBlaze */ + lx_dsp_reg_write(chip, eReg_CSM, 0); + + reg = lx_dsp_reg_read(chip, eReg_CSM); + + if (reg) { + snd_printk(KERN_ERR LXP "Problem: Reg_CSM %x.\n", reg); + + /* PCI9056_SPACE0_REMAP */ + lx_plx_reg_write(chip, ePLX_PCICR, 1); + + reg = lx_dsp_reg_read(chip, eReg_CSM); + if (reg) { + snd_printk(KERN_ERR LXP "Error: Reg_CSM %x.\n", reg); + return -EAGAIN; /* seems to be appropriate */ + } + } + + snd_printd(LXP "Xilinx/MicroBlaze access test successful\n"); + + return 0; +} + +/* initialize ethersound */ +static int __devinit lx_init_ethersound_config(struct lx6464es *chip) +{ + int i; + u32 orig_conf_es = lx_dsp_reg_read(chip, eReg_CONFES); + + u32 default_conf_es = (64 << IOCR_OUTPUTS_OFFSET) | + (64 << IOCR_INPUTS_OFFSET) | + (FREQ_RATIO_SINGLE_MODE << FREQ_RATIO_OFFSET); + + u32 conf_es = (orig_conf_es & CONFES_READ_PART_MASK) + | (default_conf_es & CONFES_WRITE_PART_MASK); + + snd_printdd("->lx_init_ethersound\n"); + + chip->freq_ratio = FREQ_RATIO_SINGLE_MODE; + + /* + * write it to the card ! + * this actually kicks the ES xilinx, the first time since poweron. + * the MAC address in the Reg_ADMACESMSB Reg_ADMACESLSB registers + * is not ready before this is done, and the bit 2 in Reg_CSES is set. + * */ + lx_dsp_reg_write(chip, eReg_CONFES, conf_es); + + for (i = 0; i != 1000; ++i) { + if (lx_dsp_reg_read(chip, eReg_CSES) & 4) { + snd_printd(LXP "ethersound initialized after %dms\n", + i); + goto ethersound_initialized; + } + msleep(1); + } + snd_printk(KERN_WARNING LXP + "ethersound could not be initialized after %dms\n", i); + return -ETIMEDOUT; + + ethersound_initialized: + snd_printd(LXP "ethersound initialized\n"); + return 0; +} + +static int __devinit lx_init_get_version_features(struct lx6464es *chip) +{ + u32 dsp_version; + + int err; + + snd_printdd("->lx_init_get_version_features\n"); + + err = lx_dsp_get_version(chip, &dsp_version); + + if (err == 0) { + u32 freq; + + snd_printk(LXP "DSP version: V%02d.%02d #%d\n", + (dsp_version>>16) & 0xff, (dsp_version>>8) & 0xff, + dsp_version & 0xff); + + /* later: what firmware version do we expect? */ + + /* retrieve Play/Rec features */ + /* done here because we may have to handle alternate + * DSP files. */ + /* later */ + + /* init the EtherSound sample rate */ + err = lx_dsp_get_clock_frequency(chip, &freq); + if (err == 0) + chip->board_sample_rate = freq; + snd_printd(LXP "actual clock frequency %d\n", freq); + } else { + snd_printk(KERN_ERR LXP "DSP corrupted \n"); + err = -EAGAIN; + } + + return err; +} + +static int lx_set_granularity(struct lx6464es *chip, u32 gran) +{ + int err = 0; + u32 snapped_gran = MICROBLAZE_IBL_MIN; + + snd_printdd("->lx_set_granularity\n"); + + /* blocksize is a power of 2 */ + while ((snapped_gran < gran) && + (snapped_gran < MICROBLAZE_IBL_MAX)) { + snapped_gran *= 2; + } + + if (snapped_gran == chip->pcm_granularity) + return 0; + + err = lx_dsp_set_granularity(chip, snapped_gran); + if (err < 0) { + snd_printk(KERN_WARNING LXP "could not set granularity\n"); + err = -EAGAIN; + } + + if (snapped_gran != gran) + snd_printk(LXP "snapped blocksize to %d\n", snapped_gran); + + snd_printd(LXP "set blocksize on board %d\n", snapped_gran); + chip->pcm_granularity = snapped_gran; + + return err; +} + +/* initialize and test the xilinx dsp chip */ +static int __devinit lx_init_dsp(struct lx6464es *chip) +{ + int err; + u8 mac_address[6]; + int i; + + snd_printdd("->lx_init_dsp\n"); + + snd_printd(LXP "initialize board\n"); + err = lx_init_xilinx_reset(chip); + if (err) + return err; + + snd_printd(LXP "testing board\n"); + err = lx_init_xilinx_test(chip); + if (err) + return err; + + snd_printd(LXP "initialize ethersound configuration\n"); + err = lx_init_ethersound_config(chip); + if (err) + return err; + + lx_irq_enable(chip); + + /** \todo the mac address should be ready by not, but it isn't, + * so we wait for it */ + for (i = 0; i != 1000; ++i) { + err = lx_dsp_get_mac(chip, mac_address); + if (err) + return err; + if (mac_address[0] || mac_address[1] || mac_address[2] || + mac_address[3] || mac_address[4] || mac_address[5]) + goto mac_ready; + msleep(1); + } + return -ETIMEDOUT; + +mac_ready: + snd_printd(LXP "mac address ready read after: %dms\n", i); + snd_printk(LXP "mac address: %02X.%02X.%02X.%02X.%02X.%02X\n", + mac_address[0], mac_address[1], mac_address[2], + mac_address[3], mac_address[4], mac_address[5]); + + err = lx_init_get_version_features(chip); + if (err) + return err; + + lx_set_granularity(chip, MICROBLAZE_IBL_DEFAULT); + + chip->playback_mute = 0; + + return err; +} + +static struct snd_pcm_ops lx_ops_playback = { + .open = lx_pcm_open, + .close = lx_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .prepare = lx_pcm_prepare, + .hw_params = lx_pcm_hw_params_playback, + .hw_free = lx_pcm_hw_free, + .trigger = lx_pcm_trigger, + .pointer = lx_pcm_stream_pointer, +}; + +static struct snd_pcm_ops lx_ops_capture = { + .open = lx_pcm_open, + .close = lx_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .prepare = lx_pcm_prepare, + .hw_params = lx_pcm_hw_params_capture, + .hw_free = lx_pcm_hw_free, + .trigger = lx_pcm_trigger, + .pointer = lx_pcm_stream_pointer, +}; + +static int __devinit lx_pcm_create(struct lx6464es *chip) +{ + int err; + struct snd_pcm *pcm; + + u32 size = 64 * /* channels */ + 3 * /* 24 bit samples */ + MAX_STREAM_BUFFER * /* periods */ + MICROBLAZE_IBL_MAX * /* frames per period */ + 2; /* duplex */ + + size = PAGE_ALIGN(size); + + /* hardcoded device name & channel count */ + err = snd_pcm_new(chip->card, (char *)card_name, 0, + 1, 1, &pcm); + + pcm->private_data = chip; + + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &lx_ops_playback); + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &lx_ops_capture); + + pcm->info_flags = 0; + strcpy(pcm->name, card_name); + + err = snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, + snd_dma_pci_data(chip->pci), + size, size); + if (err < 0) + return err; + + chip->pcm = pcm; + chip->capture_stream.is_capture = 1; + + return 0; +} + +static int lx_control_playback_info(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_info *uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} + +static int lx_control_playback_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct lx6464es *chip = snd_kcontrol_chip(kcontrol); + ucontrol->value.integer.value[0] = chip->playback_mute; + return 0; +} + +static int lx_control_playback_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct lx6464es *chip = snd_kcontrol_chip(kcontrol); + int changed = 0; + int current_value = chip->playback_mute; + + if (current_value != ucontrol->value.integer.value[0]) { + lx_level_unmute(chip, 0, !current_value); + chip->playback_mute = !current_value; + changed = 1; + } + return changed; +} + +static struct snd_kcontrol_new lx_control_playback_switch __devinitdata = { + .iface = SNDRV_CTL_ELEM_IFACE_MIXER, + .name = "PCM Playback Switch", + .index = 0, + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, + .private_value = 0, + .info = lx_control_playback_info, + .get = lx_control_playback_get, + .put = lx_control_playback_put +}; + + + +static void lx_proc_levels_read(struct snd_info_entry *entry, + struct snd_info_buffer *buffer) +{ + u32 levels[64]; + int err; + int i, j; + struct lx6464es *chip = entry->private_data; + + snd_iprintf(buffer, "capture levels:\n"); + err = lx_level_peaks(chip, 1, 64, levels); + if (err < 0) + return; + + for (i = 0; i != 8; ++i) { + for (j = 0; j != 8; ++j) + snd_iprintf(buffer, "%08x ", levels[i*8+j]); + snd_iprintf(buffer, "\n"); + } + + snd_iprintf(buffer, "\nplayback levels:\n"); + + err = lx_level_peaks(chip, 0, 64, levels); + if (err < 0) + return; + + for (i = 0; i != 8; ++i) { + for (j = 0; j != 8; ++j) + snd_iprintf(buffer, "%08x ", levels[i*8+j]); + snd_iprintf(buffer, "\n"); + } + + snd_iprintf(buffer, "\n"); +} + +static int __devinit lx_proc_create(struct snd_card *card, struct lx6464es *chip) +{ + struct snd_info_entry *entry; + int err = snd_card_proc_new(card, "levels", &entry); + if (err < 0) + return err; + + snd_info_set_text_ops(entry, chip, lx_proc_levels_read); + return 0; +} + + +static int __devinit snd_lx6464es_create(struct snd_card *card, + struct pci_dev *pci, + struct lx6464es **rchip) +{ + struct lx6464es *chip; + int err; + + static struct snd_device_ops ops = { + .dev_free = snd_lx6464es_dev_free, + }; + + snd_printdd("->snd_lx6464es_create\n"); + + *rchip = NULL; + + /* enable PCI device */ + err = pci_enable_device(pci); + if (err < 0) + return err; + + pci_set_master(pci); + + /* check if we can restrict PCI DMA transfers to 32 bits */ + err = pci_set_dma_mask(pci, DMA_32BIT_MASK); + if (err < 0) { + snd_printk(KERN_ERR "architecture does not support " + "32bit PCI busmaster DMA\n"); + pci_disable_device(pci); + return -ENXIO; + } + + chip = kzalloc(sizeof(*chip), GFP_KERNEL); + if (chip == NULL) { + err = -ENOMEM; + goto alloc_failed; + } + + chip->card = card; + chip->pci = pci; + chip->irq = -1; + + /* initialize synchronization structs */ + spin_lock_init(&chip->lock); + spin_lock_init(&chip->msg_lock); + mutex_init(&chip->setup_mutex); + tasklet_init(&chip->trigger_tasklet, lx_trigger_tasklet, + (unsigned long)chip); + tasklet_init(&chip->tasklet_capture, lx_tasklet_capture, + (unsigned long)chip); + tasklet_init(&chip->tasklet_playback, lx_tasklet_playback, + (unsigned long)chip); + + /* request resources */ + err = pci_request_regions(pci, card_name); + if (err < 0) + goto request_regions_failed; + + /* plx port */ + chip->port_plx = pci_resource_start(pci, 1); + chip->port_plx_remapped = ioport_map(chip->port_plx, + pci_resource_len(pci, 1)); + + /* dsp port */ + chip->port_dsp_bar = pci_ioremap_bar(pci, 2); + + err = request_irq(pci->irq, lx_interrupt, IRQF_SHARED, + card_name, chip); + if (err) { + snd_printk(KERN_ERR LXP "unable to grab IRQ %d\n", pci->irq); + goto request_irq_failed; + } + chip->irq = pci->irq; + + err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops); + if (err < 0) + goto device_new_failed; + + err = lx_init_dsp(chip); + if (err < 0) { + snd_printk(KERN_ERR LXP "error during DSP initialization\n"); + return err; + } + + err = lx_pcm_create(chip); + if (err < 0) + return err; + + err = lx_proc_create(card, chip); + if (err < 0) + return err; + + err = snd_ctl_add(card, snd_ctl_new1(&lx_control_playback_switch, + chip)); + if (err < 0) + return err; + + snd_card_set_dev(card, &pci->dev); + + *rchip = chip; + return 0; + +device_new_failed: + free_irq(pci->irq, chip); + +request_irq_failed: + pci_release_regions(pci); + +request_regions_failed: + kfree(chip); + +alloc_failed: + pci_disable_device(pci); + + return err; +} + +static int __devinit snd_lx6464es_probe(struct pci_dev *pci, + const struct pci_device_id *pci_id) +{ + static int dev; + struct snd_card *card; + struct lx6464es *chip; + int err; + + snd_printdd("->snd_lx6464es_probe\n"); + + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) { + dev++; + return -ENOENT; + } + + card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0); + if (card == NULL) + return -ENOMEM; + + err = snd_lx6464es_create(card, pci, &chip); + if (err < 0) { + snd_printk(KERN_ERR LXP "error during snd_lx6464es_create\n"); + goto out_free; + } + + strcpy(card->driver, "lx6464es"); + strcpy(card->shortname, "Digigram LX6464ES"); + sprintf(card->longname, "%s at 0x%lx, 0x%p, irq %i", + card->shortname, chip->port_plx, + chip->port_dsp_bar, chip->irq); + + err = snd_card_register(card); + if (err < 0) + goto out_free; + + snd_printdd(LXP "initialization successful\n"); + pci_set_drvdata(pci, card); + dev++; + return 0; + +out_free: + snd_card_free(card); + return err; + +} + +static void __devexit snd_lx6464es_remove(struct pci_dev *pci) +{ + snd_card_free(pci_get_drvdata(pci)); + pci_set_drvdata(pci, NULL); +} + + +static struct pci_driver driver = { + .name = "Digigram LX6464ES", + .id_table = snd_lx6464es_ids, + .probe = snd_lx6464es_probe, + .remove = __devexit_p(snd_lx6464es_remove), +}; + + +/* module initialization */ +static int __init mod_init(void) +{ + return pci_register_driver(&driver); +} + +static void __exit mod_exit(void) +{ + pci_unregister_driver(&driver); +} + +module_init(mod_init); +module_exit(mod_exit); diff --git a/sound/pci/lx6464es/lx6464es.h b/sound/pci/lx6464es/lx6464es.h new file mode 100644 index 000000000000..012c010c8c89 --- /dev/null +++ b/sound/pci/lx6464es/lx6464es.h @@ -0,0 +1,114 @@ +/* -*- linux-c -*- * + * + * ALSA driver for the digigram lx6464es interface + * + * Copyright (c) 2009 Tim Blechmann + * + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + +#ifndef LX6464ES_H +#define LX6464ES_H + +#include +#include + +#include +#include + +#include "lx_core.h" + +#define LXP "LX6464ES: " + +enum { + ES_cmd_free = 0, /* no command executing */ + ES_cmd_processing = 1, /* execution of a read/write command */ + ES_read_pending = 2, /* a asynchron read command is pending */ + ES_read_finishing = 3, /* a read command has finished waiting (set by + * Interrupt or CancelIrp) */ +}; + +enum lx_stream_status { + LX_STREAM_STATUS_FREE, +/* LX_STREAM_STATUS_OPEN, */ + LX_STREAM_STATUS_SCHEDULE_RUN, +/* LX_STREAM_STATUS_STARTED, */ + LX_STREAM_STATUS_RUNNING, + LX_STREAM_STATUS_SCHEDULE_STOP, +/* LX_STREAM_STATUS_STOPPED, */ +/* LX_STREAM_STATUS_PAUSED */ +}; + + +struct lx_stream { + struct snd_pcm_substream *stream; + snd_pcm_uframes_t frame_pos; + enum lx_stream_status status; /* free, open, running, draining + * pause */ + int is_capture:1; +}; + + +struct lx6464es { + struct snd_card *card; + struct pci_dev *pci; + int irq; + + spinlock_t lock; /* interrupt spinlock */ + struct mutex setup_mutex; /* mutex used in hw_params, open + * and close */ + + struct tasklet_struct trigger_tasklet; /* trigger tasklet */ + struct tasklet_struct tasklet_capture; + struct tasklet_struct tasklet_playback; + + /* ports */ + unsigned long port_plx; /* io port (size=256) */ + void __iomem *port_plx_remapped; /* remapped plx port */ + void __iomem *port_dsp_bar; /* memory port (32-bit, + * non-prefetchable, + * size=8K) */ + + /* messaging */ + spinlock_t msg_lock; /* message spinlock */ + atomic_t send_message_locked; + struct lx_rmh rmh; + + /* configuration */ + uint freq_ratio : 2; + uint playback_mute : 1; + uint hardware_running[2]; + u32 board_sample_rate; /* sample rate read from + * board */ + u32 sample_rate; /* our sample rate */ + u16 pcm_granularity; /* board blocksize */ + + /* dma */ + struct snd_dma_buffer capture_dma_buf; + struct snd_dma_buffer playback_dma_buf; + + /* pcm */ + struct snd_pcm *pcm; + + /* streams */ + struct lx_stream capture_stream; + struct lx_stream playback_stream; +}; + + +#endif /* LX6464ES_H */ diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c new file mode 100644 index 000000000000..a9f8f882b107 --- /dev/null +++ b/sound/pci/lx6464es/lx_core.c @@ -0,0 +1,1442 @@ +/* -*- linux-c -*- * + * + * ALSA driver for the digigram lx6464es interface + * low-level interface + * + * Copyright (c) 2009 Tim Blechmann + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + +/* #define RMH_DEBUG 1 */ + +#include +#include +#include + +#include "lx6464es.h" +#include "lx_core.h" + +/* low-level register access */ + +static const unsigned long dsp_port_offsets[] = { + 0, + 0x400, + 0x401, + 0x402, + 0x403, + 0x404, + 0x405, + 0x406, + 0x407, + 0x408, + 0x409, + 0x40a, + 0x40b, + 0x40c, + + 0x410, + 0x411, + 0x412, + 0x413, + 0x414, + 0x415, + 0x416, + + 0x420, + 0x430, + 0x431, + 0x432, + 0x433, + 0x434, + 0x440 +}; + +static void __iomem *lx_dsp_register(struct lx6464es *chip, int port) +{ + void __iomem *base_address = chip->port_dsp_bar; + return base_address + dsp_port_offsets[port]*4; +} + +unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port) +{ + void __iomem *address = lx_dsp_register(chip, port); + return ioread32(address); +} + +void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data, u32 len) +{ + void __iomem *address = lx_dsp_register(chip, port); + memcpy_fromio(data, address, len*sizeof(u32)); +} + + +void lx_dsp_reg_write(struct lx6464es *chip, int port, unsigned data) +{ + void __iomem *address = lx_dsp_register(chip, port); + iowrite32(data, address); +} + +void lx_dsp_reg_writebuf(struct lx6464es *chip, int port, const u32 *data, + u32 len) +{ + void __iomem *address = lx_dsp_register(chip, port); + memcpy_toio(address, data, len*sizeof(u32)); +} + + +static const unsigned long plx_port_offsets[] = { + 0x04, + 0x40, + 0x44, + 0x48, + 0x4c, + 0x50, + 0x54, + 0x58, + 0x5c, + 0x64, + 0x68, + 0x6C +}; + +static void __iomem *lx_plx_register(struct lx6464es *chip, int port) +{ + void __iomem *base_address = chip->port_plx_remapped; + return base_address + plx_port_offsets[port]; +} + +unsigned long lx_plx_reg_read(struct lx6464es *chip, int port) +{ + void __iomem *address = lx_plx_register(chip, port); + return ioread32(address); +} + +void lx_plx_reg_write(struct lx6464es *chip, int port, u32 data) +{ + void __iomem *address = lx_plx_register(chip, port); + iowrite32(data, address); +} + +u32 lx_plx_mbox_read(struct lx6464es *chip, int mbox_nr) +{ + int index; + + switch (mbox_nr) { + case 1: + index = ePLX_MBOX1; break; + case 2: + index = ePLX_MBOX2; break; + case 3: + index = ePLX_MBOX3; break; + case 4: + index = ePLX_MBOX4; break; + case 5: + index = ePLX_MBOX5; break; + case 6: + index = ePLX_MBOX6; break; + case 7: + index = ePLX_MBOX7; break; + case 0: /* reserved for HF flags */ + snd_BUG(); + default: + return 0xdeadbeef; + } + + return lx_plx_reg_read(chip, index); +} + +int lx_plx_mbox_write(struct lx6464es *chip, int mbox_nr, u32 value) +{ + int index = -1; + + switch (mbox_nr) { + case 1: + index = ePLX_MBOX1; break; + case 3: + index = ePLX_MBOX3; break; + case 4: + index = ePLX_MBOX4; break; + case 5: + index = ePLX_MBOX5; break; + case 6: + index = ePLX_MBOX6; break; + case 7: + index = ePLX_MBOX7; break; + case 0: /* reserved for HF flags */ + case 2: /* reserved for Pipe States + * the DSP keeps an image of it */ + snd_BUG(); + return -EBADRQC; + } + + lx_plx_reg_write(chip, index, value); + return 0; +} + + +/* rmh */ + +#ifdef CONFIG_SND_DEBUG +#define CMD_NAME(a) a +#else +#define CMD_NAME(a) NULL +#endif + +#define Reg_CSM_MR 0x00000002 +#define Reg_CSM_MC 0x00000001 + +struct dsp_cmd_info { + u32 dcCodeOp; /* Op Code of the command (usually 1st 24-bits + * word).*/ + u16 dcCmdLength; /* Command length in words of 24 bits.*/ + u16 dcStatusType; /* Status type: 0 for fixed length, 1 for + * random. */ + u16 dcStatusLength; /* Status length (if fixed).*/ + char *dcOpName; +}; + +/* + Initialization and control data for the Microblaze interface + - OpCode: + the opcode field of the command set at the proper offset + - CmdLength + the number of command words + - StatusType + offset in the status registers: 0 means that the return value may be + different from 0, and must be read + - StatusLength + the number of status words (in addition to the return value) +*/ + +static struct dsp_cmd_info dsp_commands[] = +{ + { (CMD_00_INFO_DEBUG << OPCODE_OFFSET) , 1 /*custom*/ + , 1 , 0 /**/ , CMD_NAME("INFO_DEBUG") }, + { (CMD_01_GET_SYS_CFG << OPCODE_OFFSET) , 1 /**/ + , 1 , 2 /**/ , CMD_NAME("GET_SYS_CFG") }, + { (CMD_02_SET_GRANULARITY << OPCODE_OFFSET) , 1 /**/ + , 1 , 0 /**/ , CMD_NAME("SET_GRANULARITY") }, + { (CMD_03_SET_TIMER_IRQ << OPCODE_OFFSET) , 1 /**/ + , 1 , 0 /**/ , CMD_NAME("SET_TIMER_IRQ") }, + { (CMD_04_GET_EVENT << OPCODE_OFFSET) , 1 /**/ + , 1 , 0 /*up to 10*/ , CMD_NAME("GET_EVENT") }, + { (CMD_05_GET_PIPES << OPCODE_OFFSET) , 1 /**/ + , 1 , 2 /*up to 4*/ , CMD_NAME("GET_PIPES") }, + { (CMD_06_ALLOCATE_PIPE << OPCODE_OFFSET) , 1 /**/ + , 0 , 0 /**/ , CMD_NAME("ALLOCATE_PIPE") }, + { (CMD_07_RELEASE_PIPE << OPCODE_OFFSET) , 1 /**/ + , 0 , 0 /**/ , CMD_NAME("RELEASE_PIPE") }, + { (CMD_08_ASK_BUFFERS << OPCODE_OFFSET) , 1 /**/ + , 1 , MAX_STREAM_BUFFER , CMD_NAME("ASK_BUFFERS") }, + { (CMD_09_STOP_PIPE << OPCODE_OFFSET) , 1 /**/ + , 0 , 0 /*up to 2*/ , CMD_NAME("STOP_PIPE") }, + { (CMD_0A_GET_PIPE_SPL_COUNT << OPCODE_OFFSET) , 1 /**/ + , 1 , 1 /*up to 2*/ , CMD_NAME("GET_PIPE_SPL_COUNT") }, + { (CMD_0B_TOGGLE_PIPE_STATE << OPCODE_OFFSET) , 1 /*up to 5*/ + , 1 , 0 /**/ , CMD_NAME("TOGGLE_PIPE_STATE") }, + { (CMD_0C_DEF_STREAM << OPCODE_OFFSET) , 1 /*up to 4*/ + , 1 , 0 /**/ , CMD_NAME("DEF_STREAM") }, + { (CMD_0D_SET_MUTE << OPCODE_OFFSET) , 3 /**/ + , 1 , 0 /**/ , CMD_NAME("SET_MUTE") }, + { (CMD_0E_GET_STREAM_SPL_COUNT << OPCODE_OFFSET) , 1/**/ + , 1 , 2 /**/ , CMD_NAME("GET_STREAM_SPL_COUNT") }, + { (CMD_0F_UPDATE_BUFFER << OPCODE_OFFSET) , 3 /*up to 4*/ + , 0 , 1 /**/ , CMD_NAME("UPDATE_BUFFER") }, + { (CMD_10_GET_BUFFER << OPCODE_OFFSET) , 1 /**/ + , 1 , 4 /**/ , CMD_NAME("GET_BUFFER") }, + { (CMD_11_CANCEL_BUFFER << OPCODE_OFFSET) , 1 /**/ + , 1 , 1 /*up to 4*/ , CMD_NAME("CANCEL_BUFFER") }, + { (CMD_12_GET_PEAK << OPCODE_OFFSET) , 1 /**/ + , 1 , 1 /**/ , CMD_NAME("GET_PEAK") }, + { (CMD_13_SET_STREAM_STATE << OPCODE_OFFSET) , 1 /**/ + , 1 , 0 /**/ , CMD_NAME("SET_STREAM_STATE") }, +}; + +static void lx_message_init(struct lx_rmh *rmh, enum cmd_mb_opcodes cmd) +{ + snd_BUG_ON(cmd >= CMD_14_INVALID); + + rmh->cmd[0] = dsp_commands[cmd].dcCodeOp; + rmh->cmd_len = dsp_commands[cmd].dcCmdLength; + rmh->stat_len = dsp_commands[cmd].dcStatusLength; + rmh->dsp_stat = dsp_commands[cmd].dcStatusType; + rmh->cmd_idx = cmd; + memset(&rmh->cmd[1], 0, (REG_CRM_NUMBER - 1) * sizeof(u32)); + +#ifdef CONFIG_SND_DEBUG + memset(rmh->stat, 0, REG_CRM_NUMBER * sizeof(u32)); +#endif +#ifdef RMH_DEBUG + rmh->cmd_idx = cmd; +#endif +} + +#ifdef RMH_DEBUG +#define LXRMH "lx6464es rmh: " +static void lx_message_dump(struct lx_rmh *rmh) +{ + u8 idx = rmh->cmd_idx; + int i; + + snd_printk(LXRMH "command %s\n", dsp_commands[idx].dcOpName); + + for (i = 0; i != rmh->cmd_len; ++i) + snd_printk(LXRMH "\tcmd[%d] %08x\n", i, rmh->cmd[i]); + + for (i = 0; i != rmh->stat_len; ++i) + snd_printk(LXRMH "\tstat[%d]: %08x\n", i, rmh->stat[i]); + snd_printk("\n"); +} +#else +static inline void lx_message_dump(struct lx_rmh *rmh) +{} +#endif + + + +/* sleep 500 - 100 = 400 times 100us -> the timeout is >= 40 ms */ +#define XILINX_TIMEOUT_MS 40 +#define XILINX_POLL_NO_SLEEP 100 +#define XILINX_POLL_ITERATIONS 150 + +static int lx_message_send(struct lx6464es *chip, struct lx_rmh *rmh) +{ + u32 reg = ED_DSP_TIMED_OUT; + int dwloop; + int answer_received; + + if (lx_dsp_reg_read(chip, eReg_CSM) & (Reg_CSM_MC | Reg_CSM_MR)) { + snd_printk(KERN_ERR LXP "PIOSendMessage eReg_CSM %x\n", reg); + return -EBUSY; + } + + /* write command */ + lx_dsp_reg_writebuf(chip, eReg_CRM1, rmh->cmd, rmh->cmd_len); + + snd_BUG_ON(atomic_read(&chip->send_message_locked) != 0); + atomic_set(&chip->send_message_locked, 1); + + /* MicoBlaze gogogo */ + lx_dsp_reg_write(chip, eReg_CSM, Reg_CSM_MC); + + /* wait for interrupt to answer */ + for (dwloop = 0; dwloop != XILINX_TIMEOUT_MS; ++dwloop) { + answer_received = atomic_read(&chip->send_message_locked); + if (answer_received == 0) + break; + msleep(1); + } + + if (answer_received == 0) { + /* in Debug mode verify Reg_CSM_MR */ + snd_BUG_ON(!(lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR)); + + /* command finished, read status */ + if (rmh->dsp_stat == 0) + reg = lx_dsp_reg_read(chip, eReg_CRM1); + else + reg = 0; + } else { + int i; + snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send! " + "Interrupts disabled?\n"); + + /* attente bit Reg_CSM_MR */ + for (i = 0; i != XILINX_POLL_ITERATIONS; i++) { + if ((lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR)) { + if (rmh->dsp_stat == 0) + reg = lx_dsp_reg_read(chip, eReg_CRM1); + else + reg = 0; + goto polling_successful; + } + + if (i > XILINX_POLL_NO_SLEEP) + msleep(1); + } + snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send! " + "polling failed\n"); + +polling_successful: + atomic_set(&chip->send_message_locked, 0); + } + + if ((reg & ERROR_VALUE) == 0) { + /* read response */ + if (rmh->stat_len) { + snd_BUG_ON(rmh->stat_len >= (REG_CRM_NUMBER-1)); + + lx_dsp_reg_readbuf(chip, eReg_CRM2, rmh->stat, + rmh->stat_len); + } + } else + snd_printk(KERN_WARNING LXP "lx_message_send: error_value %x\n", + reg); + + /* clear Reg_CSM_MR */ + lx_dsp_reg_write(chip, eReg_CSM, 0); + + switch (reg) { + case ED_DSP_TIMED_OUT: + snd_printk(KERN_WARNING LXP "lx_message_send: dsp timeout\n"); + return -ETIMEDOUT; + + case ED_DSP_CRASHED: + snd_printk(KERN_WARNING LXP "lx_message_send: dsp crashed\n"); + return -EAGAIN; + } + + lx_message_dump(rmh); + return 0; +} + +static int lx_message_send_atomic(struct lx6464es *chip, struct lx_rmh *rmh) +{ + u32 reg = ED_DSP_TIMED_OUT; + int dwloop; + + if (lx_dsp_reg_read(chip, eReg_CSM) & (Reg_CSM_MC | Reg_CSM_MR)) { + snd_printk(KERN_ERR LXP "PIOSendMessage eReg_CSM %x\n", reg); + return -EBUSY; + } + + /* write command */ + lx_dsp_reg_writebuf(chip, eReg_CRM1, rmh->cmd, rmh->cmd_len); + + /* MicoBlaze gogogo */ + lx_dsp_reg_write(chip, eReg_CSM, Reg_CSM_MC); + + /* wait for interrupt to answer */ + for (dwloop = 0; dwloop != XILINX_TIMEOUT_MS * 1000; ++dwloop) { + if (lx_dsp_reg_read(chip, eReg_CSM) & Reg_CSM_MR) { + if (rmh->dsp_stat == 0) + reg = lx_dsp_reg_read(chip, eReg_CRM1); + else + reg = 0; + goto polling_successful; + } else + udelay(1); + } + snd_printk(KERN_WARNING LXP "TIMEOUT lx_message_send_atomic! " + "polling failed\n"); + +polling_successful: + if ((reg & ERROR_VALUE) == 0) { + /* read response */ + if (rmh->stat_len) { + snd_BUG_ON(rmh->stat_len >= (REG_CRM_NUMBER-1)); + lx_dsp_reg_readbuf(chip, eReg_CRM2, rmh->stat, + rmh->stat_len); + } + } else + snd_printk(LXP "rmh error: %08x\n", reg); + + /* clear Reg_CSM_MR */ + lx_dsp_reg_write(chip, eReg_CSM, 0); + + switch (reg) { + case ED_DSP_TIMED_OUT: + snd_printk(KERN_WARNING LXP "lx_message_send: dsp timeout\n"); + return -ETIMEDOUT; + + case ED_DSP_CRASHED: + snd_printk(KERN_WARNING LXP "lx_message_send: dsp crashed\n"); + return -EAGAIN; + } + + lx_message_dump(rmh); + + return reg; +} + + +/* low-level dsp access */ +int __devinit lx_dsp_get_version(struct lx6464es *chip, u32 *rdsp_version) +{ + u16 ret; + unsigned long flags; + + spin_lock_irqsave(&chip->msg_lock, flags); + + lx_message_init(&chip->rmh, CMD_01_GET_SYS_CFG); + ret = lx_message_send_atomic(chip, &chip->rmh); + + *rdsp_version = chip->rmh.stat[1]; + spin_unlock_irqrestore(&chip->msg_lock, flags); + return ret; +} + +int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq) +{ + u16 ret = 0; + unsigned long flags; + u32 freq_raw = 0; + u32 freq = 0; + u32 frequency = 0; + + spin_lock_irqsave(&chip->msg_lock, flags); + + lx_message_init(&chip->rmh, CMD_01_GET_SYS_CFG); + ret = lx_message_send_atomic(chip, &chip->rmh); + + if (ret == 0) { + freq_raw = chip->rmh.stat[0] >> FREQ_FIELD_OFFSET; + freq = freq_raw & XES_FREQ_COUNT8_MASK; + + if ((freq < XES_FREQ_COUNT8_48_MAX) || + (freq > XES_FREQ_COUNT8_44_MIN)) + frequency = 0; /* unknown */ + else if (freq >= XES_FREQ_COUNT8_44_MAX) + frequency = 44100; + else + frequency = 48000; + } + + spin_unlock_irqrestore(&chip->msg_lock, flags); + + *rfreq = frequency * chip->freq_ratio; + + return ret; +} + +int lx_dsp_get_mac(struct lx6464es *chip, u8 *mac_address) +{ + u32 macmsb, maclsb; + + macmsb = lx_dsp_reg_read(chip, eReg_ADMACESMSB) & 0x00FFFFFF; + maclsb = lx_dsp_reg_read(chip, eReg_ADMACESLSB) & 0x00FFFFFF; + + /* todo: endianess handling */ + mac_address[5] = ((u8 *)(&maclsb))[0]; + mac_address[4] = ((u8 *)(&maclsb))[1]; + mac_address[3] = ((u8 *)(&maclsb))[2]; + mac_address[2] = ((u8 *)(&macmsb))[0]; + mac_address[1] = ((u8 *)(&macmsb))[1]; + mac_address[0] = ((u8 *)(&macmsb))[2]; + + return 0; +} + + +int lx_dsp_set_granularity(struct lx6464es *chip, u32 gran) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&chip->msg_lock, flags); + + lx_message_init(&chip->rmh, CMD_02_SET_GRANULARITY); + chip->rmh.cmd[0] |= gran; + + ret = lx_message_send_atomic(chip, &chip->rmh); + spin_unlock_irqrestore(&chip->msg_lock, flags); + return ret; +} + +int lx_dsp_read_async_events(struct lx6464es *chip, u32 *data) +{ + unsigned long flags; + int ret; + + spin_lock_irqsave(&chip->msg_lock, flags); + + lx_message_init(&chip->rmh, CMD_04_GET_EVENT); + chip->rmh.stat_len = 9; /* we don't necessarily need the full length */ + + ret = lx_message_send_atomic(chip, &chip->rmh); + + if (!ret) + memcpy(data, chip->rmh.stat, chip->rmh.stat_len * sizeof(u32)); + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return ret; +} + +#define CSES_TIMEOUT 100 /* microseconds */ +#define CSES_CE 0x0001 +#define CSES_BROADCAST 0x0002 +#define CSES_UPDATE_LDSV 0x0004 + +int lx_dsp_es_check_pipeline(struct lx6464es *chip) +{ + int i; + + for (i = 0; i != CSES_TIMEOUT; ++i) { + /* + * le bit CSES_UPDATE_LDSV est à 1 dés que le macprog + * est pret. il re-passe à 0 lorsque le premier read a + * été fait. pour l'instant on retire le test car ce bit + * passe a 1 environ 200 à 400 ms aprés que le registre + * confES à été écrit (kick du xilinx ES). + * + * On ne teste que le bit CE. + * */ + + u32 cses = lx_dsp_reg_read(chip, eReg_CSES); + + if ((cses & CSES_CE) == 0) + return 0; + + udelay(1); + } + + return -ETIMEDOUT; +} + + +#define PIPE_INFO_TO_CMD(capture, pipe) \ + ((u32)((u32)(pipe) | ((capture) ? ID_IS_CAPTURE : 0L)) << ID_OFFSET) + + + +/* low-level pipe handling */ +int lx_pipe_allocate(struct lx6464es *chip, u32 pipe, int is_capture, + int channels) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_06_ALLOCATE_PIPE); + + chip->rmh.cmd[0] |= pipe_cmd; + chip->rmh.cmd[0] |= channels; + + err = lx_message_send_atomic(chip, &chip->rmh); + spin_unlock_irqrestore(&chip->msg_lock, flags); + + if (err != 0) + snd_printk(KERN_ERR "lx6464es: could not allocate pipe\n"); + + return err; +} + +int lx_pipe_release(struct lx6464es *chip, u32 pipe, int is_capture) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_07_RELEASE_PIPE); + + chip->rmh.cmd[0] |= pipe_cmd; + + err = lx_message_send_atomic(chip, &chip->rmh); + spin_unlock_irqrestore(&chip->msg_lock, flags); + + return err; +} + +int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture, + u32 *r_needed, u32 *r_freed, u32 *size_array) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + +#ifdef CONFIG_SND_DEBUG + if (size_array) + memset(size_array, 0, sizeof(u32)*MAX_STREAM_BUFFER); +#endif + + *r_needed = 0; + *r_freed = 0; + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_08_ASK_BUFFERS); + + chip->rmh.cmd[0] |= pipe_cmd; + + err = lx_message_send_atomic(chip, &chip->rmh); + + if (!err) { + int i; + for (i = 0; i < MAX_STREAM_BUFFER; ++i) { + u32 stat = chip->rmh.stat[i]; + if (stat & (BF_EOB << BUFF_FLAGS_OFFSET)) { + /* finished */ + *r_freed += 1; + if (size_array) + size_array[i] = stat & MASK_DATA_SIZE; + } else if ((stat & (BF_VALID << BUFF_FLAGS_OFFSET)) + == 0) + /* free */ + *r_needed += 1; + } + +#if 0 + snd_printdd(LXP "CMD_08_ASK_BUFFERS: needed %d, freed %d\n", + *r_needed, *r_freed); + for (i = 0; i < MAX_STREAM_BUFFER; ++i) { + for (i = 0; i != chip->rmh.stat_len; ++i) + snd_printdd(" stat[%d]: %x, %x\n", i, + chip->rmh.stat[i], + chip->rmh.stat[i] & MASK_DATA_SIZE); + } +#endif + } + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + + +int lx_pipe_stop(struct lx6464es *chip, u32 pipe, int is_capture) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_09_STOP_PIPE); + + chip->rmh.cmd[0] |= pipe_cmd; + + err = lx_message_send_atomic(chip, &chip->rmh); + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + +static int lx_pipe_toggle_state(struct lx6464es *chip, u32 pipe, int is_capture) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_0B_TOGGLE_PIPE_STATE); + + chip->rmh.cmd[0] |= pipe_cmd; + + err = lx_message_send_atomic(chip, &chip->rmh); + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + + +int lx_pipe_start(struct lx6464es *chip, u32 pipe, int is_capture) +{ + int err; + + err = lx_pipe_wait_for_idle(chip, pipe, is_capture); + if (err < 0) + return err; + + err = lx_pipe_toggle_state(chip, pipe, is_capture); + + return err; +} + +int lx_pipe_pause(struct lx6464es *chip, u32 pipe, int is_capture) +{ + int err = 0; + + err = lx_pipe_wait_for_start(chip, pipe, is_capture); + if (err < 0) + return err; + + err = lx_pipe_toggle_state(chip, pipe, is_capture); + + return err; +} + + +int lx_pipe_sample_count(struct lx6464es *chip, u32 pipe, int is_capture, + u64 *rsample_count) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_0A_GET_PIPE_SPL_COUNT); + + chip->rmh.cmd[0] |= pipe_cmd; + chip->rmh.stat_len = 2; /* need all words here! */ + + err = lx_message_send_atomic(chip, &chip->rmh); /* don't sleep! */ + + if (err != 0) + snd_printk(KERN_ERR + "lx6464es: could not query pipe's sample count\n"); + else { + *rsample_count = ((u64)(chip->rmh.stat[0] & MASK_SPL_COUNT_HI) + << 24) /* hi part */ + + chip->rmh.stat[1]; /* lo part */ + } + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + +int lx_pipe_state(struct lx6464es *chip, u32 pipe, int is_capture, u16 *rstate) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_0A_GET_PIPE_SPL_COUNT); + + chip->rmh.cmd[0] |= pipe_cmd; + + err = lx_message_send_atomic(chip, &chip->rmh); + + if (err != 0) + snd_printk(KERN_ERR "lx6464es: could not query pipe's state\n"); + else + *rstate = (chip->rmh.stat[0] >> PSTATE_OFFSET) & 0x0F; + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + +static int lx_pipe_wait_for_state(struct lx6464es *chip, u32 pipe, + int is_capture, u16 state) +{ + int i; + + /* max 2*PCMOnlyGranularity = 2*1024 at 44100 = < 50 ms: + * timeout 50 ms */ + for (i = 0; i != 50; ++i) { + u16 current_state; + int err = lx_pipe_state(chip, pipe, is_capture, ¤t_state); + + if (err < 0) + return err; + + if (current_state == state) + return 0; + + mdelay(1); + } + + return -ETIMEDOUT; +} + +int lx_pipe_wait_for_start(struct lx6464es *chip, u32 pipe, int is_capture) +{ + return lx_pipe_wait_for_state(chip, pipe, is_capture, PSTATE_RUN); +} + +int lx_pipe_wait_for_idle(struct lx6464es *chip, u32 pipe, int is_capture) +{ + return lx_pipe_wait_for_state(chip, pipe, is_capture, PSTATE_IDLE); +} + +/* low-level stream handling */ +int lx_stream_set_state(struct lx6464es *chip, u32 pipe, + int is_capture, enum stream_state_t state) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_13_SET_STREAM_STATE); + + chip->rmh.cmd[0] |= pipe_cmd; + chip->rmh.cmd[0] |= state; + + err = lx_message_send_atomic(chip, &chip->rmh); + spin_unlock_irqrestore(&chip->msg_lock, flags); + + return err; +} + +int lx_stream_set_format(struct lx6464es *chip, struct snd_pcm_runtime *runtime, + u32 pipe, int is_capture) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + u32 channels = runtime->channels; + + if (runtime->channels != channels) + snd_printk(KERN_ERR LXP "channel count mismatch: %d vs %d", + runtime->channels, channels); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_0C_DEF_STREAM); + + chip->rmh.cmd[0] |= pipe_cmd; + + if (runtime->sample_bits == 16) + /* 16 bit format */ + chip->rmh.cmd[0] |= (STREAM_FMT_16b << STREAM_FMT_OFFSET); + + if (snd_pcm_format_little_endian(runtime->format)) + /* little endian/intel format */ + chip->rmh.cmd[0] |= (STREAM_FMT_intel << STREAM_FMT_OFFSET); + + chip->rmh.cmd[0] |= channels-1; + + err = lx_message_send_atomic(chip, &chip->rmh); + spin_unlock_irqrestore(&chip->msg_lock, flags); + + return err; +} + +int lx_stream_state(struct lx6464es *chip, u32 pipe, int is_capture, + int *rstate) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_0E_GET_STREAM_SPL_COUNT); + + chip->rmh.cmd[0] |= pipe_cmd; + + err = lx_message_send_atomic(chip, &chip->rmh); + + *rstate = (chip->rmh.stat[0] & SF_START) ? START_STATE : PAUSE_STATE; + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + +int lx_stream_sample_position(struct lx6464es *chip, u32 pipe, int is_capture, + u64 *r_bytepos) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_0E_GET_STREAM_SPL_COUNT); + + chip->rmh.cmd[0] |= pipe_cmd; + + err = lx_message_send_atomic(chip, &chip->rmh); + + *r_bytepos = ((u64) (chip->rmh.stat[0] & MASK_SPL_COUNT_HI) + << 32) /* hi part */ + + chip->rmh.stat[1]; /* lo part */ + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + +/* low-level buffer handling */ +int lx_buffer_give(struct lx6464es *chip, u32 pipe, int is_capture, + u32 buffer_size, u32 buf_address_lo, u32 buf_address_hi, + u32 *r_buffer_index) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_0F_UPDATE_BUFFER); + + chip->rmh.cmd[0] |= pipe_cmd; + chip->rmh.cmd[0] |= BF_NOTIFY_EOB; /* request interrupt notification */ + + /* todo: pause request, circular buffer */ + + chip->rmh.cmd[1] = buffer_size & MASK_DATA_SIZE; + chip->rmh.cmd[2] = buf_address_lo; + + if (buf_address_hi) { + chip->rmh.cmd_len = 4; + chip->rmh.cmd[3] = buf_address_hi; + chip->rmh.cmd[0] |= BF_64BITS_ADR; + } + + err = lx_message_send_atomic(chip, &chip->rmh); + + if (err == 0) { + *r_buffer_index = chip->rmh.stat[0]; + goto done; + } + + if (err == EB_RBUFFERS_TABLE_OVERFLOW) + snd_printk(LXP "lx_buffer_give EB_RBUFFERS_TABLE_OVERFLOW\n"); + + if (err == EB_INVALID_STREAM) + snd_printk(LXP "lx_buffer_give EB_INVALID_STREAM\n"); + + if (err == EB_CMD_REFUSED) + snd_printk(LXP "lx_buffer_give EB_CMD_REFUSED\n"); + + done: + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + +int lx_buffer_free(struct lx6464es *chip, u32 pipe, int is_capture, + u32 *r_buffer_size) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_11_CANCEL_BUFFER); + + chip->rmh.cmd[0] |= pipe_cmd; + chip->rmh.cmd[0] |= MASK_BUFFER_ID; /* ask for the current buffer: the + * microblaze will seek for it */ + + err = lx_message_send_atomic(chip, &chip->rmh); + + if (err == 0) + *r_buffer_size = chip->rmh.stat[0] & MASK_DATA_SIZE; + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + +int lx_buffer_cancel(struct lx6464es *chip, u32 pipe, int is_capture, + u32 buffer_index) +{ + int err; + unsigned long flags; + + u32 pipe_cmd = PIPE_INFO_TO_CMD(is_capture, pipe); + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_11_CANCEL_BUFFER); + + chip->rmh.cmd[0] |= pipe_cmd; + chip->rmh.cmd[0] |= buffer_index; + + err = lx_message_send_atomic(chip, &chip->rmh); + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + + +/* low-level gain/peak handling + * + * \todo: can we unmute capture/playback channels independently? + * + * */ +int lx_level_unmute(struct lx6464es *chip, int is_capture, int unmute) +{ + int err; + unsigned long flags; + + /* bit set to 1: channel muted */ + u64 mute_mask = unmute ? 0 : 0xFFFFFFFFFFFFFFFFLLU; + + spin_lock_irqsave(&chip->msg_lock, flags); + lx_message_init(&chip->rmh, CMD_0D_SET_MUTE); + + chip->rmh.cmd[0] |= PIPE_INFO_TO_CMD(is_capture, 0); + + chip->rmh.cmd[1] = (u32)(mute_mask >> (u64)32); /* hi part */ + chip->rmh.cmd[2] = (u32)(mute_mask & (u64)0xFFFFFFFF); /* lo part */ + + snd_printk("mute %x %x %x\n", chip->rmh.cmd[0], chip->rmh.cmd[1], + chip->rmh.cmd[2]); + + err = lx_message_send_atomic(chip, &chip->rmh); + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + +static u32 peak_map[] = { + 0x00000109, /* -90.308dB */ + 0x0000083B, /* -72.247dB */ + 0x000020C4, /* -60.205dB */ + 0x00008273, /* -48.030dB */ + 0x00020756, /* -36.005dB */ + 0x00040C37, /* -30.001dB */ + 0x00081385, /* -24.002dB */ + 0x00101D3F, /* -18.000dB */ + 0x0016C310, /* -15.000dB */ + 0x002026F2, /* -12.001dB */ + 0x002D6A86, /* -9.000dB */ + 0x004026E6, /* -6.004dB */ + 0x005A9DF6, /* -3.000dB */ + 0x0065AC8B, /* -2.000dB */ + 0x00721481, /* -1.000dB */ + 0x007FFFFF, /* FS */ +}; + +int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels, + u32 *r_levels) +{ + int err = 0; + unsigned long flags; + int i; + spin_lock_irqsave(&chip->msg_lock, flags); + + for (i = 0; i < channels; i += 4) { + u32 s0, s1, s2, s3; + + lx_message_init(&chip->rmh, CMD_12_GET_PEAK); + chip->rmh.cmd[0] |= PIPE_INFO_TO_CMD(is_capture, i); + + err = lx_message_send_atomic(chip, &chip->rmh); + + if (err == 0) { + s0 = peak_map[chip->rmh.stat[0] & 0x0F]; + s1 = peak_map[(chip->rmh.stat[0] >> 4) & 0xf]; + s2 = peak_map[(chip->rmh.stat[0] >> 8) & 0xf]; + s3 = peak_map[(chip->rmh.stat[0] >> 12) & 0xf]; + } else + s0 = s1 = s2 = s3 = 0; + + r_levels[0] = s0; + r_levels[1] = s1; + r_levels[2] = s2; + r_levels[3] = s3; + + r_levels += 4; + } + + spin_unlock_irqrestore(&chip->msg_lock, flags); + return err; +} + +/* interrupt handling */ +#define PCX_IRQ_NONE 0 +#define IRQCS_ACTIVE_PCIDB 0x00002000L /* Bit nø 13 */ +#define IRQCS_ENABLE_PCIIRQ 0x00000100L /* Bit nø 08 */ +#define IRQCS_ENABLE_PCIDB 0x00000200L /* Bit nø 09 */ + +static u32 lx_interrupt_test_ack(struct lx6464es *chip) +{ + u32 irqcs = lx_plx_reg_read(chip, ePLX_IRQCS); + + /* Test if PCI Doorbell interrupt is active */ + if (irqcs & IRQCS_ACTIVE_PCIDB) { + u32 temp; + irqcs = PCX_IRQ_NONE; + + while ((temp = lx_plx_reg_read(chip, ePLX_L2PCIDB))) { + /* RAZ interrupt */ + irqcs |= temp; + lx_plx_reg_write(chip, ePLX_L2PCIDB, temp); + } + + return irqcs; + } + return PCX_IRQ_NONE; +} + +static int lx_interrupt_ack(struct lx6464es *chip, u32 *r_irqsrc, + int *r_async_pending, int *r_async_escmd) +{ + u32 irq_async; + u32 irqsrc = lx_interrupt_test_ack(chip); + + if (irqsrc == PCX_IRQ_NONE) + return 0; + + *r_irqsrc = irqsrc; + + irq_async = irqsrc & MASK_SYS_ASYNC_EVENTS; /* + EtherSound response + * (set by xilinx) + EOB */ + + if (irq_async & MASK_SYS_STATUS_ESA) { + irq_async &= ~MASK_SYS_STATUS_ESA; + *r_async_escmd = 1; + } + + if (irqsrc & MASK_SYS_STATUS_CMD_DONE) + /* xilinx command notification */ + atomic_set(&chip->send_message_locked, 0); + + if (irq_async) { + /* snd_printd("interrupt: async event pending\n"); */ + *r_async_pending = 1; + } + + return 1; +} + +static int lx_interrupt_handle_async_events(struct lx6464es *chip, u32 irqsrc, + int *r_freq_changed, + u64 *r_notified_in_pipe_mask, + u64 *r_notified_out_pipe_mask) +{ + int err; + u32 stat[9]; /* answer from CMD_04_GET_EVENT */ + + /* On peut optimiser pour ne pas lire les evenements vides + * les mots de réponse sont dans l'ordre suivant : + * Stat[0] mot de status général + * Stat[1] fin de buffer OUT pF + * Stat[2] fin de buffer OUT pf + * Stat[3] fin de buffer IN pF + * Stat[4] fin de buffer IN pf + * Stat[5] underrun poid fort + * Stat[6] underrun poid faible + * Stat[7] overrun poid fort + * Stat[8] overrun poid faible + * */ + + u64 orun_mask; + u64 urun_mask; +#if 0 + int has_underrun = (irqsrc & MASK_SYS_STATUS_URUN) ? 1 : 0; + int has_overrun = (irqsrc & MASK_SYS_STATUS_ORUN) ? 1 : 0; +#endif + int eb_pending_out = (irqsrc & MASK_SYS_STATUS_EOBO) ? 1 : 0; + int eb_pending_in = (irqsrc & MASK_SYS_STATUS_EOBI) ? 1 : 0; + + *r_freq_changed = (irqsrc & MASK_SYS_STATUS_FREQ) ? 1 : 0; + + err = lx_dsp_read_async_events(chip, stat); + if (err < 0) + return err; + + if (eb_pending_in) { + *r_notified_in_pipe_mask = ((u64)stat[3] << 32) + + stat[4]; + snd_printdd(LXP "interrupt: EOBI pending %llx\n", + *r_notified_in_pipe_mask); + } + if (eb_pending_out) { + *r_notified_out_pipe_mask = ((u64)stat[1] << 32) + + stat[2]; + snd_printdd(LXP "interrupt: EOBO pending %llx\n", + *r_notified_out_pipe_mask); + } + + orun_mask = ((u64)stat[7] << 32) + stat[8]; + urun_mask = ((u64)stat[5] << 32) + stat[6]; + + /* todo: handle xrun notification */ + + return err; +} + +static int lx_interrupt_request_new_buffer(struct lx6464es *chip, + struct lx_stream *lx_stream) +{ + struct snd_pcm_substream *substream = lx_stream->stream; + int is_capture = lx_stream->is_capture; + int err; + unsigned long flags; + + const u32 channels = substream->runtime->channels; + const u32 bytes_per_frame = channels * 3; + const u32 period_size = substream->runtime->period_size; + const u32 period_bytes = period_size * bytes_per_frame; + const u32 pos = lx_stream->frame_pos; + const u32 next_pos = ((pos+1) == substream->runtime->periods) ? + 0 : pos + 1; + + dma_addr_t buf = substream->dma_buffer.addr + pos * period_bytes; + u32 buf_hi = 0; + u32 buf_lo = 0; + u32 buffer_index = 0; + + u32 needed, freed; + u32 size_array[MAX_STREAM_BUFFER]; + + snd_printdd("->lx_interrupt_request_new_buffer\n"); + + spin_lock_irqsave(&chip->lock, flags); + + err = lx_buffer_ask(chip, 0, is_capture, &needed, &freed, size_array); + snd_printdd(LXP "interrupt: needed %d, freed %d\n", needed, freed); + + unpack_pointer(buf, &buf_lo, &buf_hi); + err = lx_buffer_give(chip, 0, is_capture, period_bytes, buf_lo, buf_hi, + &buffer_index); + snd_printdd(LXP "interrupt: gave buffer index %x on %p (%d bytes)\n", + buffer_index, (void *)buf, period_bytes); + + lx_stream->frame_pos = next_pos; + spin_unlock_irqrestore(&chip->lock, flags); + + return err; +} + +void lx_tasklet_playback(unsigned long data) +{ + struct lx6464es *chip = (struct lx6464es *)data; + struct lx_stream *lx_stream = &chip->playback_stream; + int err; + + snd_printdd("->lx_tasklet_playback\n"); + + err = lx_interrupt_request_new_buffer(chip, lx_stream); + if (err < 0) + snd_printk(KERN_ERR LXP + "cannot request new buffer for playback\n"); + + snd_pcm_period_elapsed(lx_stream->stream); +} + +void lx_tasklet_capture(unsigned long data) +{ + struct lx6464es *chip = (struct lx6464es *)data; + struct lx_stream *lx_stream = &chip->capture_stream; + int err; + + snd_printdd("->lx_tasklet_capture\n"); + err = lx_interrupt_request_new_buffer(chip, lx_stream); + if (err < 0) + snd_printk(KERN_ERR LXP + "cannot request new buffer for capture\n"); + + snd_pcm_period_elapsed(lx_stream->stream); +} + + + +static int lx_interrupt_handle_audio_transfer(struct lx6464es *chip, + u64 notified_in_pipe_mask, + u64 notified_out_pipe_mask) +{ + int err = 0; + + if (notified_in_pipe_mask) { + snd_printdd(LXP "requesting audio transfer for capture\n"); + tasklet_hi_schedule(&chip->tasklet_capture); + } + + if (notified_out_pipe_mask) { + snd_printdd(LXP "requesting audio transfer for playback\n"); + tasklet_hi_schedule(&chip->tasklet_playback); + } + + return err; +} + + +irqreturn_t lx_interrupt(int irq, void *dev_id) +{ + struct lx6464es *chip = dev_id; + int async_pending, async_escmd; + u32 irqsrc; + + spin_lock(&chip->lock); + + snd_printdd("**************************************************\n"); + + if (!lx_interrupt_ack(chip, &irqsrc, &async_pending, &async_escmd)) { + spin_unlock(&chip->lock); + snd_printdd("IRQ_NONE\n"); + return IRQ_NONE; /* this device did not cause the interrupt */ + } + + if (irqsrc & MASK_SYS_STATUS_CMD_DONE) + goto exit; + +#if 0 + if (irqsrc & MASK_SYS_STATUS_EOBI) + snd_printdd(LXP "interrupt: EOBI\n"); + + if (irqsrc & MASK_SYS_STATUS_EOBO) + snd_printdd(LXP "interrupt: EOBO\n"); + + if (irqsrc & MASK_SYS_STATUS_URUN) + snd_printdd(LXP "interrupt: URUN\n"); + + if (irqsrc & MASK_SYS_STATUS_ORUN) + snd_printdd(LXP "interrupt: ORUN\n"); +#endif + + if (async_pending) { + u64 notified_in_pipe_mask = 0; + u64 notified_out_pipe_mask = 0; + int freq_changed; + int err; + + /* handle async events */ + err = lx_interrupt_handle_async_events(chip, irqsrc, + &freq_changed, + ¬ified_in_pipe_mask, + ¬ified_out_pipe_mask); + if (err) + snd_printk(KERN_ERR LXP + "error handling async events\n"); + + err = lx_interrupt_handle_audio_transfer(chip, + notified_in_pipe_mask, + notified_out_pipe_mask + ); + if (err) + snd_printk(KERN_ERR LXP + "error during audio transfer\n"); + } + + if (async_escmd) { +#if 0 + /* backdoor for ethersound commands + * + * for now, we do not need this + * + * */ + + snd_printdd("lx6464es: interrupt requests escmd handling\n"); +#endif + } + +exit: + spin_unlock(&chip->lock); + return IRQ_HANDLED; /* this device caused the interrupt */ +} + + +static void lx_irq_set(struct lx6464es *chip, int enable) +{ + u32 reg = lx_plx_reg_read(chip, ePLX_IRQCS); + + /* enable/disable interrupts + * + * Set the Doorbell and PCI interrupt enable bits + * + * */ + if (enable) + reg |= (IRQCS_ENABLE_PCIIRQ | IRQCS_ENABLE_PCIDB); + else + reg &= ~(IRQCS_ENABLE_PCIIRQ | IRQCS_ENABLE_PCIDB); + lx_plx_reg_write(chip, ePLX_IRQCS, reg); +} + +void lx_irq_enable(struct lx6464es *chip) +{ + snd_printdd("->lx_irq_enable\n"); + lx_irq_set(chip, 1); +} + +void lx_irq_disable(struct lx6464es *chip) +{ + snd_printdd("->lx_irq_disable\n"); + lx_irq_set(chip, 0); +} diff --git a/sound/pci/lx6464es/lx_core.h b/sound/pci/lx6464es/lx_core.h new file mode 100644 index 000000000000..6bd9cbbbc68d --- /dev/null +++ b/sound/pci/lx6464es/lx_core.h @@ -0,0 +1,242 @@ +/* -*- linux-c -*- * + * + * ALSA driver for the digigram lx6464es interface + * low-level interface + * + * Copyright (c) 2009 Tim Blechmann + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + +#ifndef LX_CORE_H +#define LX_CORE_H + +#include + +#include "lx_defs.h" + +#define REG_CRM_NUMBER 12 + +struct lx6464es; + +/* low-level register access */ + +/* dsp register access */ +enum { + eReg_BASE, + eReg_CSM, + eReg_CRM1, + eReg_CRM2, + eReg_CRM3, + eReg_CRM4, + eReg_CRM5, + eReg_CRM6, + eReg_CRM7, + eReg_CRM8, + eReg_CRM9, + eReg_CRM10, + eReg_CRM11, + eReg_CRM12, + + eReg_ICR, + eReg_CVR, + eReg_ISR, + eReg_RXHTXH, + eReg_RXMTXM, + eReg_RHLTXL, + eReg_RESETDSP, + + eReg_CSUF, + eReg_CSES, + eReg_CRESMSB, + eReg_CRESLSB, + eReg_ADMACESMSB, + eReg_ADMACESLSB, + eReg_CONFES, + + eMaxPortLx +}; + +unsigned long lx_dsp_reg_read(struct lx6464es *chip, int port); +void lx_dsp_reg_readbuf(struct lx6464es *chip, int port, u32 *data, u32 len); +void lx_dsp_reg_write(struct lx6464es *chip, int port, unsigned data); +void lx_dsp_reg_writebuf(struct lx6464es *chip, int port, const u32 *data, + u32 len); + +/* plx register access */ +enum { + ePLX_PCICR, + + ePLX_MBOX0, + ePLX_MBOX1, + ePLX_MBOX2, + ePLX_MBOX3, + ePLX_MBOX4, + ePLX_MBOX5, + ePLX_MBOX6, + ePLX_MBOX7, + + ePLX_L2PCIDB, + ePLX_IRQCS, + ePLX_CHIPSC, + + eMaxPort +}; + +unsigned long lx_plx_reg_read(struct lx6464es *chip, int port); +void lx_plx_reg_write(struct lx6464es *chip, int port, u32 data); + +/* rhm */ +struct lx_rmh { + u16 cmd_len; /* length of the command to send (WORDs) */ + u16 stat_len; /* length of the status received (WORDs) */ + u16 dsp_stat; /* status type, RMP_SSIZE_XXX */ + u16 cmd_idx; /* index of the command */ + u32 cmd[REG_CRM_NUMBER]; + u32 stat[REG_CRM_NUMBER]; +}; + + +/* low-level dsp access */ +int __devinit lx_dsp_get_version(struct lx6464es *chip, u32 *rdsp_version); +int lx_dsp_get_clock_frequency(struct lx6464es *chip, u32 *rfreq); +int lx_dsp_set_granularity(struct lx6464es *chip, u32 gran); +int lx_dsp_read_async_events(struct lx6464es *chip, u32 *data); +int lx_dsp_get_mac(struct lx6464es *chip, u8 *mac_address); + + +/* low-level pipe handling */ +int lx_pipe_allocate(struct lx6464es *chip, u32 pipe, int is_capture, + int channels); +int lx_pipe_release(struct lx6464es *chip, u32 pipe, int is_capture); +int lx_pipe_sample_count(struct lx6464es *chip, u32 pipe, int is_capture, + u64 *rsample_count); +int lx_pipe_state(struct lx6464es *chip, u32 pipe, int is_capture, u16 *rstate); +int lx_pipe_stop(struct lx6464es *chip, u32 pipe, int is_capture); +int lx_pipe_start(struct lx6464es *chip, u32 pipe, int is_capture); +int lx_pipe_pause(struct lx6464es *chip, u32 pipe, int is_capture); + +int lx_pipe_wait_for_start(struct lx6464es *chip, u32 pipe, int is_capture); +int lx_pipe_wait_for_idle(struct lx6464es *chip, u32 pipe, int is_capture); + +/* low-level stream handling */ +int lx_stream_set_format(struct lx6464es *chip, struct snd_pcm_runtime *runtime, + u32 pipe, int is_capture); +int lx_stream_state(struct lx6464es *chip, u32 pipe, int is_capture, + int *rstate); +int lx_stream_sample_position(struct lx6464es *chip, u32 pipe, int is_capture, + u64 *r_bytepos); + +int lx_stream_set_state(struct lx6464es *chip, u32 pipe, + int is_capture, enum stream_state_t state); + +static inline int lx_stream_start(struct lx6464es *chip, u32 pipe, + int is_capture) +{ + snd_printdd("->lx_stream_start\n"); + return lx_stream_set_state(chip, pipe, is_capture, SSTATE_RUN); +} + +static inline int lx_stream_pause(struct lx6464es *chip, u32 pipe, + int is_capture) +{ + snd_printdd("->lx_stream_pause\n"); + return lx_stream_set_state(chip, pipe, is_capture, SSTATE_PAUSE); +} + +static inline int lx_stream_stop(struct lx6464es *chip, u32 pipe, + int is_capture) +{ + snd_printdd("->lx_stream_stop\n"); + return lx_stream_set_state(chip, pipe, is_capture, SSTATE_STOP); +} + +/* low-level buffer handling */ +int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture, + u32 *r_needed, u32 *r_freed, u32 *size_array); +int lx_buffer_give(struct lx6464es *chip, u32 pipe, int is_capture, + u32 buffer_size, u32 buf_address_lo, u32 buf_address_hi, + u32 *r_buffer_index); +int lx_buffer_free(struct lx6464es *chip, u32 pipe, int is_capture, + u32 *r_buffer_size); +int lx_buffer_cancel(struct lx6464es *chip, u32 pipe, int is_capture, + u32 buffer_index); + +/* low-level gain/peak handling */ +int lx_level_unmute(struct lx6464es *chip, int is_capture, int unmute); +int lx_level_peaks(struct lx6464es *chip, int is_capture, int channels, + u32 *r_levels); + + +/* interrupt handling */ +irqreturn_t lx_interrupt(int irq, void *dev_id); +void lx_irq_enable(struct lx6464es *chip); +void lx_irq_disable(struct lx6464es *chip); + +void lx_tasklet_capture(unsigned long data); +void lx_tasklet_playback(unsigned long data); + + +/* Stream Format Header Defines (for LIN and IEEE754) */ +#define HEADER_FMT_BASE HEADER_FMT_BASE_LIN +#define HEADER_FMT_BASE_LIN 0xFED00000 +#define HEADER_FMT_BASE_FLOAT 0xFAD00000 +#define HEADER_FMT_MONO 0x00000080 /* bit 23 in header_lo. WARNING: old + * bit 22 is ignored in float + * format */ +#define HEADER_FMT_INTEL 0x00008000 +#define HEADER_FMT_16BITS 0x00002000 +#define HEADER_FMT_24BITS 0x00004000 +#define HEADER_FMT_UPTO11 0x00000200 /* frequency is less or equ. to 11k. + * */ +#define HEADER_FMT_UPTO32 0x00000100 /* frequency is over 11k and less + * then 32k.*/ + + +#define BIT_FMP_HEADER 23 +#define BIT_FMP_SD 22 +#define BIT_FMP_MULTICHANNEL 19 + +#define START_STATE 1 +#define PAUSE_STATE 0 + + + + + +/* from PcxAll_e.h */ +/* Start/Pause condition for pipes (PCXStartPipe, PCXPausePipe) */ +#define START_PAUSE_IMMEDIATE 0 +#define START_PAUSE_ON_SYNCHRO 1 +#define START_PAUSE_ON_TIME_CODE 2 + + +/* Pipe / Stream state */ +#define START_STATE 1 +#define PAUSE_STATE 0 + +static inline void unpack_pointer(dma_addr_t ptr, u32 *r_low, u32 *r_high) +{ + *r_low = (u32)(ptr & 0xffffffff); +#if BITS_PER_LONG == 32 + *r_high = 0; +#else + *r_high = (u32)((u64)ptr>>32); +#endif +} + +#endif /* LX_CORE_H */ diff --git a/sound/pci/lx6464es/lx_defs.h b/sound/pci/lx6464es/lx_defs.h new file mode 100644 index 000000000000..49d36bdd512c --- /dev/null +++ b/sound/pci/lx6464es/lx_defs.h @@ -0,0 +1,376 @@ +/* -*- linux-c -*- * + * + * ALSA driver for the digigram lx6464es interface + * adapted upstream headers + * + * Copyright (c) 2009 Tim Blechmann + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + */ + +#ifndef LX_DEFS_H +#define LX_DEFS_H + +/* code adapted from ethersound.h */ +#define XES_FREQ_COUNT8_MASK 0x00001FFF /* compteur 25MHz entre 8 ech. */ +#define XES_FREQ_COUNT8_44_MIN 0x00001288 /* 25M / + * [ 44k - ( 44.1k + 48k ) / 2 ] + * * 8 */ +#define XES_FREQ_COUNT8_44_MAX 0x000010F0 /* 25M / [ ( 44.1k + 48k ) / 2 ] + * * 8 */ +#define XES_FREQ_COUNT8_48_MAX 0x00000F08 /* 25M / + * [ 48k + ( 44.1k + 48k ) / 2 ] + * * 8 */ + +/* code adapted from LXES_registers.h */ + +#define IOCR_OUTPUTS_OFFSET 0 /* (rw) offset for the number of OUTs in the + * ConfES register. */ +#define IOCR_INPUTS_OFFSET 8 /* (rw) offset for the number of INs in the + * ConfES register. */ +#define FREQ_RATIO_OFFSET 19 /* (rw) offset for frequency ratio in the + * ConfES register. */ +#define FREQ_RATIO_SINGLE_MODE 0x01 /* value for single mode frequency ratio: + * sample rate = frequency rate. */ + +#define CONFES_READ_PART_MASK 0x00070000 +#define CONFES_WRITE_PART_MASK 0x00F80000 + +/* code adapted from if_drv_mb.h */ + +#define MASK_SYS_STATUS_ERROR (1L << 31) /* events that lead to a PCI irq if + * not yet pending */ +#define MASK_SYS_STATUS_URUN (1L << 30) +#define MASK_SYS_STATUS_ORUN (1L << 29) +#define MASK_SYS_STATUS_EOBO (1L << 28) +#define MASK_SYS_STATUS_EOBI (1L << 27) +#define MASK_SYS_STATUS_FREQ (1L << 26) +#define MASK_SYS_STATUS_ESA (1L << 25) /* reserved, this is set by the + * XES */ +#define MASK_SYS_STATUS_TIMER (1L << 24) + +#define MASK_SYS_ASYNC_EVENTS (MASK_SYS_STATUS_ERROR | \ + MASK_SYS_STATUS_URUN | \ + MASK_SYS_STATUS_ORUN | \ + MASK_SYS_STATUS_EOBO | \ + MASK_SYS_STATUS_EOBI | \ + MASK_SYS_STATUS_FREQ | \ + MASK_SYS_STATUS_ESA) + +#define MASK_SYS_PCI_EVENTS (MASK_SYS_ASYNC_EVENTS | \ + MASK_SYS_STATUS_TIMER) + +#define MASK_SYS_TIMER_COUNT 0x0000FFFF + +#define MASK_SYS_STATUS_EOT_PLX (1L << 22) /* event that remains + * internal: reserved fo end + * of plx dma */ +#define MASK_SYS_STATUS_XES (1L << 21) /* event that remains + * internal: pending XES + * IRQ */ +#define MASK_SYS_STATUS_CMD_DONE (1L << 20) /* alternate command + * management: notify driver + * instead of polling */ + + +#define MAX_STREAM_BUFFER 5 /* max amount of stream buffers. */ + +#define MICROBLAZE_IBL_MIN 32 +#define MICROBLAZE_IBL_DEFAULT 128 +#define MICROBLAZE_IBL_MAX 512 +/* #define MASK_GRANULARITY (2*MICROBLAZE_IBL_MAX-1) */ + + + +/* command opcodes, see reference for details */ + +/* + the capture bit position in the object_id field in driver commands + depends upon the number of managed channels. For now, 64 IN + 64 OUT are + supported. HOwever, the communication protocol forsees 1024 channels, hence + bit 10 indicates a capture (input) object). +*/ +#define ID_IS_CAPTURE (1L << 10) +#define ID_OFFSET 13 /* object ID is at the 13th bit in the + * 1st command word.*/ +#define ID_CH_MASK 0x3F +#define OPCODE_OFFSET 24 /* offset of the command opcode in the first + * command word.*/ + +enum cmd_mb_opcodes { + CMD_00_INFO_DEBUG = 0x00, + CMD_01_GET_SYS_CFG = 0x01, + CMD_02_SET_GRANULARITY = 0x02, + CMD_03_SET_TIMER_IRQ = 0x03, + CMD_04_GET_EVENT = 0x04, + CMD_05_GET_PIPES = 0x05, + + CMD_06_ALLOCATE_PIPE = 0x06, + CMD_07_RELEASE_PIPE = 0x07, + CMD_08_ASK_BUFFERS = 0x08, + CMD_09_STOP_PIPE = 0x09, + CMD_0A_GET_PIPE_SPL_COUNT = 0x0a, + CMD_0B_TOGGLE_PIPE_STATE = 0x0b, + + CMD_0C_DEF_STREAM = 0x0c, + CMD_0D_SET_MUTE = 0x0d, + CMD_0E_GET_STREAM_SPL_COUNT = 0x0e, + CMD_0F_UPDATE_BUFFER = 0x0f, + CMD_10_GET_BUFFER = 0x10, + CMD_11_CANCEL_BUFFER = 0x11, + CMD_12_GET_PEAK = 0x12, + CMD_13_SET_STREAM_STATE = 0x13, + CMD_14_INVALID = 0x14, +}; + +/* pipe states */ +enum pipe_state_t { + PSTATE_IDLE = 0, /* the pipe is not processed in the XES_IRQ + * (free or stopped, or paused). */ + PSTATE_RUN = 1, /* sustained play/record state. */ + PSTATE_PURGE = 2, /* the ES channels are now off, render pipes do + * not DMA, record pipe do a last DMA. */ + PSTATE_ACQUIRE = 3, /* the ES channels are now on, render pipes do + * not yet increase their sample count, record + * pipes do not DMA. */ + PSTATE_CLOSING = 4, /* the pipe is releasing, and may not yet + * receive an "alloc" command. */ +}; + +/* stream states */ +enum stream_state_t { + SSTATE_STOP = 0x00, /* setting to stop resets the stream spl + * count.*/ + SSTATE_RUN = (0x01 << 0), /* start DMA and spl count handling. */ + SSTATE_PAUSE = (0x01 << 1), /* pause DMA and spl count handling. */ +}; + +/* buffer flags */ +enum buffer_flags { + BF_VALID = 0x80, /* set if the buffer is valid, clear if free.*/ + BF_CURRENT = 0x40, /* set if this is the current buffer (there is + * always a current buffer).*/ + BF_NOTIFY_EOB = 0x20, /* set if this buffer must cause a PCI event + * when finished.*/ + BF_CIRCULAR = 0x10, /* set if buffer[1] must be copied to buffer[0] + * by the end of this buffer.*/ + BF_64BITS_ADR = 0x08, /* set if the hi part of the address is valid.*/ + BF_xx = 0x04, /* future extension.*/ + BF_EOB = 0x02, /* set if finished, but not yet free.*/ + BF_PAUSE = 0x01, /* pause stream at buffer end.*/ + BF_ZERO = 0x00, /* no flags (init).*/ +}; + +/** +* Stream Flags definitions +*/ +enum stream_flags { + SF_ZERO = 0x00000000, /* no flags (stream invalid). */ + SF_VALID = 0x10000000, /* the stream has a valid DMA_conf + * info (setstreamformat). */ + SF_XRUN = 0x20000000, /* the stream is un x-run state. */ + SF_START = 0x40000000, /* the DMA is running.*/ + SF_ASIO = 0x80000000, /* ASIO.*/ +}; + + +#define MASK_SPL_COUNT_HI 0x00FFFFFF /* 4 MSBits are status bits */ +#define PSTATE_OFFSET 28 /* 4 MSBits are status bits */ + + +#define MASK_STREAM_HAS_MAPPING (1L << 12) +#define MASK_STREAM_IS_ASIO (1L << 9) +#define STREAM_FMT_OFFSET 10 /* the stream fmt bits start at the 10th + * bit in the command word. */ + +#define STREAM_FMT_16b 0x02 +#define STREAM_FMT_intel 0x01 + +#define FREQ_FIELD_OFFSET 15 /* offset of the freq field in the response + * word */ + +#define BUFF_FLAGS_OFFSET 24 /* offset of the buffer flags in the + * response word. */ +#define MASK_DATA_SIZE 0x00FFFFFF /* this must match the field size of + * datasize in the buffer_t structure. */ + +#define MASK_BUFFER_ID 0xFF /* the cancel command awaits a buffer ID, + * may be 0xFF for "current". */ + + +/* code adapted from PcxErr_e.h */ + +/* Bits masks */ + +#define ERROR_MASK 0x8000 + +#define SOURCE_MASK 0x7800 + +#define E_SOURCE_BOARD 0x4000 /* 8 >> 1 */ +#define E_SOURCE_DRV 0x2000 /* 4 >> 1 */ +#define E_SOURCE_API 0x1000 /* 2 >> 1 */ +/* Error tools */ +#define E_SOURCE_TOOLS 0x0800 /* 1 >> 1 */ +/* Error pcxaudio */ +#define E_SOURCE_AUDIO 0x1800 /* 3 >> 1 */ +/* Error virtual pcx */ +#define E_SOURCE_VPCX 0x2800 /* 5 >> 1 */ +/* Error dispatcher */ +#define E_SOURCE_DISPATCHER 0x3000 /* 6 >> 1 */ +/* Error from CobraNet firmware */ +#define E_SOURCE_COBRANET 0x3800 /* 7 >> 1 */ + +#define E_SOURCE_USER 0x7800 + +#define CLASS_MASK 0x0700 + +#define CODE_MASK 0x00FF + +/* Bits values */ + +/* Values for the error/warning bit */ +#define ERROR_VALUE 0x8000 +#define WARNING_VALUE 0x0000 + +/* Class values */ +#define E_CLASS_GENERAL 0x0000 +#define E_CLASS_INVALID_CMD 0x0100 +#define E_CLASS_INVALID_STD_OBJECT 0x0200 +#define E_CLASS_RSRC_IMPOSSIBLE 0x0300 +#define E_CLASS_WRONG_CONTEXT 0x0400 +#define E_CLASS_BAD_SPECIFIC_PARAMETER 0x0500 +#define E_CLASS_REAL_TIME_ERROR 0x0600 +#define E_CLASS_DIRECTSHOW 0x0700 +#define E_CLASS_FREE 0x0700 + + +/* Complete DRV error code for the general class */ +#define ED_GN (ERROR_VALUE | E_SOURCE_DRV | E_CLASS_GENERAL) +#define ED_CONCURRENCY (ED_GN | 0x01) +#define ED_DSP_CRASHED (ED_GN | 0x02) +#define ED_UNKNOWN_BOARD (ED_GN | 0x03) +#define ED_NOT_INSTALLED (ED_GN | 0x04) +#define ED_CANNOT_OPEN_SVC_MANAGER (ED_GN | 0x05) +#define ED_CANNOT_READ_REGISTRY (ED_GN | 0x06) +#define ED_DSP_VERSION_MISMATCH (ED_GN | 0x07) +#define ED_UNAVAILABLE_FEATURE (ED_GN | 0x08) +#define ED_CANCELLED (ED_GN | 0x09) +#define ED_NO_RESPONSE_AT_IRQA (ED_GN | 0x10) +#define ED_INVALID_ADDRESS (ED_GN | 0x11) +#define ED_DSP_CORRUPTED (ED_GN | 0x12) +#define ED_PENDING_OPERATION (ED_GN | 0x13) +#define ED_NET_ALLOCATE_MEMORY_IMPOSSIBLE (ED_GN | 0x14) +#define ED_NET_REGISTER_ERROR (ED_GN | 0x15) +#define ED_NET_THREAD_ERROR (ED_GN | 0x16) +#define ED_NET_OPEN_ERROR (ED_GN | 0x17) +#define ED_NET_CLOSE_ERROR (ED_GN | 0x18) +#define ED_NET_NO_MORE_PACKET (ED_GN | 0x19) +#define ED_NET_NO_MORE_BUFFER (ED_GN | 0x1A) +#define ED_NET_SEND_ERROR (ED_GN | 0x1B) +#define ED_NET_RECEIVE_ERROR (ED_GN | 0x1C) +#define ED_NET_WRONG_MSG_SIZE (ED_GN | 0x1D) +#define ED_NET_WAIT_ERROR (ED_GN | 0x1E) +#define ED_NET_EEPROM_ERROR (ED_GN | 0x1F) +#define ED_INVALID_RS232_COM_NUMBER (ED_GN | 0x20) +#define ED_INVALID_RS232_INIT (ED_GN | 0x21) +#define ED_FILE_ERROR (ED_GN | 0x22) +#define ED_INVALID_GPIO_CMD (ED_GN | 0x23) +#define ED_RS232_ALREADY_OPENED (ED_GN | 0x24) +#define ED_RS232_NOT_OPENED (ED_GN | 0x25) +#define ED_GPIO_ALREADY_OPENED (ED_GN | 0x26) +#define ED_GPIO_NOT_OPENED (ED_GN | 0x27) +#define ED_REGISTRY_ERROR (ED_GN | 0x28) /* <- NCX */ +#define ED_INVALID_SERVICE (ED_GN | 0x29) /* <- NCX */ + +#define ED_READ_FILE_ALREADY_OPENED (ED_GN | 0x2a) /* <- Decalage + * pour RCX + * (old 0x28) + * */ +#define ED_READ_FILE_INVALID_COMMAND (ED_GN | 0x2b) /* ~ */ +#define ED_READ_FILE_INVALID_PARAMETER (ED_GN | 0x2c) /* ~ */ +#define ED_READ_FILE_ALREADY_CLOSED (ED_GN | 0x2d) /* ~ */ +#define ED_READ_FILE_NO_INFORMATION (ED_GN | 0x2e) /* ~ */ +#define ED_READ_FILE_INVALID_HANDLE (ED_GN | 0x2f) /* ~ */ +#define ED_READ_FILE_END_OF_FILE (ED_GN | 0x30) /* ~ */ +#define ED_READ_FILE_ERROR (ED_GN | 0x31) /* ~ */ + +#define ED_DSP_CRASHED_EXC_DSPSTACK_OVERFLOW (ED_GN | 0x32) /* <- Decalage pour + * PCX (old 0x14) */ +#define ED_DSP_CRASHED_EXC_SYSSTACK_OVERFLOW (ED_GN | 0x33) /* ~ */ +#define ED_DSP_CRASHED_EXC_ILLEGAL (ED_GN | 0x34) /* ~ */ +#define ED_DSP_CRASHED_EXC_TIMER_REENTRY (ED_GN | 0x35) /* ~ */ +#define ED_DSP_CRASHED_EXC_FATAL_ERROR (ED_GN | 0x36) /* ~ */ + +#define ED_FLASH_PCCARD_NOT_PRESENT (ED_GN | 0x37) + +#define ED_NO_CURRENT_CLOCK (ED_GN | 0x38) + +/* Complete DRV error code for real time class */ +#define ED_RT (ERROR_VALUE | E_SOURCE_DRV | E_CLASS_REAL_TIME_ERROR) +#define ED_DSP_TIMED_OUT (ED_RT | 0x01) +#define ED_DSP_CHK_TIMED_OUT (ED_RT | 0x02) +#define ED_STREAM_OVERRUN (ED_RT | 0x03) +#define ED_DSP_BUSY (ED_RT | 0x04) +#define ED_DSP_SEMAPHORE_TIME_OUT (ED_RT | 0x05) +#define ED_BOARD_TIME_OUT (ED_RT | 0x06) +#define ED_XILINX_ERROR (ED_RT | 0x07) +#define ED_COBRANET_ITF_NOT_RESPONDING (ED_RT | 0x08) + +/* Complete BOARD error code for the invaid standard object class */ +#define EB_ISO (ERROR_VALUE | E_SOURCE_BOARD | \ + E_CLASS_INVALID_STD_OBJECT) +#define EB_INVALID_EFFECT (EB_ISO | 0x00) +#define EB_INVALID_PIPE (EB_ISO | 0x40) +#define EB_INVALID_STREAM (EB_ISO | 0x80) +#define EB_INVALID_AUDIO (EB_ISO | 0xC0) + +/* Complete BOARD error code for impossible resource allocation class */ +#define EB_RI (ERROR_VALUE | E_SOURCE_BOARD | E_CLASS_RSRC_IMPOSSIBLE) +#define EB_ALLOCATE_ALL_STREAM_TRANSFERT_BUFFERS_IMPOSSIBLE (EB_RI | 0x01) +#define EB_ALLOCATE_PIPE_SAMPLE_BUFFER_IMPOSSIBLE (EB_RI | 0x02) + +#define EB_ALLOCATE_MEM_STREAM_IMPOSSIBLE \ + EB_ALLOCATE_ALL_STREAM_TRANSFERT_BUFFERS_IMPOSSIBLE +#define EB_ALLOCATE_MEM_PIPE_IMPOSSIBLE \ + EB_ALLOCATE_PIPE_SAMPLE_BUFFER_IMPOSSIBLE + +#define EB_ALLOCATE_DIFFERED_CMD_IMPOSSIBLE (EB_RI | 0x03) +#define EB_TOO_MANY_DIFFERED_CMD (EB_RI | 0x04) +#define EB_RBUFFERS_TABLE_OVERFLOW (EB_RI | 0x05) +#define EB_ALLOCATE_EFFECTS_IMPOSSIBLE (EB_RI | 0x08) +#define EB_ALLOCATE_EFFECT_POS_IMPOSSIBLE (EB_RI | 0x09) +#define EB_RBUFFER_NOT_AVAILABLE (EB_RI | 0x0A) +#define EB_ALLOCATE_CONTEXT_LIII_IMPOSSIBLE (EB_RI | 0x0B) +#define EB_STATUS_DIALOG_IMPOSSIBLE (EB_RI | 0x1D) +#define EB_CONTROL_CMD_IMPOSSIBLE (EB_RI | 0x1E) +#define EB_STATUS_SEND_IMPOSSIBLE (EB_RI | 0x1F) +#define EB_ALLOCATE_PIPE_IMPOSSIBLE (EB_RI | 0x40) +#define EB_ALLOCATE_STREAM_IMPOSSIBLE (EB_RI | 0x80) +#define EB_ALLOCATE_AUDIO_IMPOSSIBLE (EB_RI | 0xC0) + +/* Complete BOARD error code for wrong call context class */ +#define EB_WCC (ERROR_VALUE | E_SOURCE_BOARD | E_CLASS_WRONG_CONTEXT) +#define EB_CMD_REFUSED (EB_WCC | 0x00) +#define EB_START_STREAM_REFUSED (EB_WCC | 0xFC) +#define EB_SPC_REFUSED (EB_WCC | 0xFD) +#define EB_CSN_REFUSED (EB_WCC | 0xFE) +#define EB_CSE_REFUSED (EB_WCC | 0xFF) + + + + +#endif /* LX_DEFS_H */ -- cgit v1.2.3 From b75576d76d4be50196773f36709cb7a4f5ac2ab7 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Mon, 20 Apr 2009 17:56:13 +0100 Subject: ASoC: Make the DAPM power check an operation on the widget Rather than having switch statements at point of use make the DAPM power check a member of the widget structure and set it when we instantiate the widget. Signed-off-by: Mark Brown --- include/sound/soc-dapm.h | 2 ++ sound/soc/soc-dapm.c | 27 +++++++++++++-------------- 2 files changed, 15 insertions(+), 14 deletions(-) (limited to 'include') diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index fcc929da0339..839a97b63269 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -367,6 +367,8 @@ struct snd_soc_dapm_widget { unsigned char suspend:1; /* was active before suspend */ unsigned char pmdown:1; /* waiting for timeout */ + int (*power_check)(struct snd_soc_dapm_widget *w); + /* external events */ unsigned short event_flags; /* flags to specify event types */ int (*event)(struct snd_soc_dapm_widget*, struct snd_kcontrol *, int); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 22522e2d83a4..d3d17354e76c 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -631,20 +631,7 @@ static int dapm_power_widget(struct snd_soc_codec *codec, int event, { int power, ret; - /* Work out the new power state */ switch (w->id) { - case snd_soc_dapm_vmid: - /* No action required */ - return 0; - - case snd_soc_dapm_adc: - power = dapm_adc_check_power(w); - break; - - case snd_soc_dapm_dac: - power = dapm_dac_check_power(w); - break; - case snd_soc_dapm_pre: if (!w->event) return 0; @@ -680,10 +667,13 @@ static int dapm_power_widget(struct snd_soc_codec *codec, int event, return 0; default: - power = dapm_generic_check_power(w); break; } + if (!w->power_check) + return 0; + + power = w->power_check(w); if (w->power == power) return 0; w->power = power; @@ -1147,15 +1137,22 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec) case snd_soc_dapm_switch: case snd_soc_dapm_mixer: case snd_soc_dapm_mixer_named_ctl: + w->power_check = dapm_generic_check_power; dapm_new_mixer(codec, w); break; case snd_soc_dapm_mux: case snd_soc_dapm_value_mux: + w->power_check = dapm_generic_check_power; dapm_new_mux(codec, w); break; case snd_soc_dapm_adc: + w->power_check = dapm_adc_check_power; + break; case snd_soc_dapm_dac: + w->power_check = dapm_dac_check_power; + break; case snd_soc_dapm_pga: + w->power_check = dapm_generic_check_power; dapm_new_pga(codec, w); break; case snd_soc_dapm_input: @@ -1165,6 +1162,8 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec) case snd_soc_dapm_hp: case snd_soc_dapm_mic: case snd_soc_dapm_line: + w->power_check = dapm_generic_check_power; + break; case snd_soc_dapm_vmid: case snd_soc_dapm_pre: case snd_soc_dapm_post: -- cgit v1.2.3 From cd474f2d548af3c0eb932d9d47ec11483861aa6f Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 21 Apr 2009 08:53:08 +0200 Subject: ALSA: Remove deprecated snd_card_new() Signed-off-by: Takashi Iwai --- include/sound/core.h | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'include') diff --git a/include/sound/core.h b/include/sound/core.h index 3dea79829acc..a26bbdcc6765 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -300,16 +300,6 @@ int snd_card_create(int idx, const char *id, struct module *module, int extra_size, struct snd_card **card_ret); -static inline __deprecated -struct snd_card *snd_card_new(int idx, const char *id, - struct module *module, int extra_size) -{ - struct snd_card *card; - if (snd_card_create(idx, id, module, extra_size, &card) < 0) - return NULL; - return card; -} - int snd_card_disconnect(struct snd_card *card); int snd_card_free(struct snd_card *card); int snd_card_free_when_closed(struct snd_card *card); -- cgit v1.2.3 From ef9dfa4b1052af23a603de382d4665b2d1fccc61 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Tue, 21 Apr 2009 08:53:41 +0200 Subject: ALSA: Remove deprecated include/sound/driver.h Signed-off-by: Takashi Iwai --- include/sound/driver.h | 1 - 1 file changed, 1 deletion(-) delete mode 100644 include/sound/driver.h (limited to 'include') diff --git a/include/sound/driver.h b/include/sound/driver.h deleted file mode 100644 index f0359437d01a..000000000000 --- a/include/sound/driver.h +++ /dev/null @@ -1 +0,0 @@ -#warning "This file is deprecated" -- cgit v1.2.3 From 246d0a17f5e09af0794960164269fc8988a8811c Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 22 Apr 2009 18:24:55 +0100 Subject: ASoC: Add power supply widget to DAPM Many modern CODECs have shared resources on chip which must be enabled for portions of the chip to work but which can be disabled at other times in order to achieve power savings. Examples of such resources include power supplies and some internal clocks. Since these widgets are dependencies for the audio path but do not carry audio signals they require slightly different handling to most widgets - they do not contribute to the audio path and so should not be counted as either inputs or outputs during path walks. Cases where one supply provides a supply for another will require additional work. There is also room for more optimisation of the graph walking to avoid repeated checks for the same thing. Signed-off-by: Mark Brown --- Documentation/sound/alsa/soc/dapm.txt | 1 + include/sound/soc-dapm.h | 7 +++++- sound/soc/soc-dapm.c | 44 +++++++++++++++++++++++++++++++---- 3 files changed, 46 insertions(+), 6 deletions(-) (limited to 'include') diff --git a/Documentation/sound/alsa/soc/dapm.txt b/Documentation/sound/alsa/soc/dapm.txt index 9e6763264a2e..9ac842be9b4f 100644 --- a/Documentation/sound/alsa/soc/dapm.txt +++ b/Documentation/sound/alsa/soc/dapm.txt @@ -62,6 +62,7 @@ Audio DAPM widgets fall into a number of types:- o Mic - Mic (and optional Jack) o Line - Line Input/Output (and optional Jack) o Speaker - Speaker + o Supply - Power or clock supply widget used by other widgets. o Pre - Special PRE widget (exec before all others) o Post - Special POST widget (exec after all others) diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index 839a97b63269..533f9f256496 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -154,12 +154,16 @@ .shift = wshift, .invert = winvert, \ .event = wevent, .event_flags = wflags} -/* generic register modifier widget */ +/* generic widgets */ #define SND_SOC_DAPM_REG(wid, wname, wreg, wshift, wmask, won_val, woff_val) \ { .id = wid, .name = wname, .kcontrols = NULL, .num_kcontrols = 0, \ .reg = -((wreg) + 1), .shift = wshift, .mask = wmask, \ .on_val = won_val, .off_val = woff_val, .event = dapm_reg_event, \ .event_flags = SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD} +#define SND_SOC_DAPM_SUPPLY(wname, wreg, wshift, winvert, wevent, wflags) \ +{ .id = snd_soc_dapm_supply, .name = wname, .reg = wreg, \ + .shift = wshift, .invert = winvert, .event = wevent, \ + .event_flags = wflags} /* dapm kcontrol types */ #define SOC_DAPM_SINGLE(xname, reg, shift, max, invert) \ @@ -308,6 +312,7 @@ enum snd_soc_dapm_type { snd_soc_dapm_vmid, /* codec bias/vmid - to minimise pops */ snd_soc_dapm_pre, /* machine specific pre widget - exec first */ snd_soc_dapm_post, /* machine specific post widget - exec last */ + snd_soc_dapm_supply, /* power/clock supply */ }; /* diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index d3d17354e76c..7847f80e96d1 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -52,17 +52,19 @@ /* dapm power sequences - make this per codec in the future */ static int dapm_up_seq[] = { - snd_soc_dapm_pre, snd_soc_dapm_micbias, snd_soc_dapm_mic, - snd_soc_dapm_mux, snd_soc_dapm_value_mux, snd_soc_dapm_dac, - snd_soc_dapm_mixer, snd_soc_dapm_mixer_named_ctl, snd_soc_dapm_pga, - snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk, snd_soc_dapm_post + snd_soc_dapm_pre, snd_soc_dapm_supply, snd_soc_dapm_micbias, + snd_soc_dapm_mic, snd_soc_dapm_mux, snd_soc_dapm_value_mux, + snd_soc_dapm_dac, snd_soc_dapm_mixer, snd_soc_dapm_mixer_named_ctl, + snd_soc_dapm_pga, snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk, + snd_soc_dapm_post }; static int dapm_down_seq[] = { snd_soc_dapm_pre, snd_soc_dapm_adc, snd_soc_dapm_hp, snd_soc_dapm_spk, snd_soc_dapm_pga, snd_soc_dapm_mixer_named_ctl, snd_soc_dapm_mixer, snd_soc_dapm_dac, snd_soc_dapm_mic, snd_soc_dapm_micbias, - snd_soc_dapm_mux, snd_soc_dapm_value_mux, snd_soc_dapm_post + snd_soc_dapm_mux, snd_soc_dapm_value_mux, snd_soc_dapm_supply, + snd_soc_dapm_post }; static int dapm_status = 1; @@ -165,6 +167,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w, case snd_soc_dapm_dac: case snd_soc_dapm_micbias: case snd_soc_dapm_vmid: + case snd_soc_dapm_supply: p->connect = 1; break; /* does effect routing - dynamically connected */ @@ -435,6 +438,9 @@ static int is_connected_output_ep(struct snd_soc_dapm_widget *widget) struct snd_soc_dapm_path *path; int con = 0; + if (widget->id == snd_soc_dapm_supply) + return 0; + if (widget->id == snd_soc_dapm_adc && widget->active) return 1; @@ -471,6 +477,9 @@ static int is_connected_input_ep(struct snd_soc_dapm_widget *widget) struct snd_soc_dapm_path *path; int con = 0; + if (widget->id == snd_soc_dapm_supply) + return 0; + /* active stream ? */ if (widget->id == snd_soc_dapm_dac && widget->active) return 1; @@ -622,6 +631,26 @@ static int dapm_dac_check_power(struct snd_soc_dapm_widget *w) } } +/* Check to see if a power supply is needed */ +static int dapm_supply_check_power(struct snd_soc_dapm_widget *w) +{ + struct snd_soc_dapm_path *path; + int power = 0; + + /* Check if one of our outputs is connected */ + list_for_each_entry(path, &w->sinks, list_source) { + if (path->sink && path->sink->power_check && + path->sink->power_check(path->sink)) { + power = 1; + break; + } + } + + dapm_clear_walk(w->codec); + + return power; +} + /* * Scan a single DAPM widget for a complete audio path and update the * power status appropriately. @@ -752,6 +781,7 @@ static void dbg_dump_dapm(struct snd_soc_codec* codec, const char *action) case snd_soc_dapm_pga: case snd_soc_dapm_mixer: case snd_soc_dapm_mixer_named_ctl: + case snd_soc_dapm_supply: if (w->name) { in = is_connected_input_ep(w); dapm_clear_walk(w->codec); @@ -880,6 +910,7 @@ static ssize_t dapm_widget_show(struct device *dev, case snd_soc_dapm_pga: case snd_soc_dapm_mixer: case snd_soc_dapm_mixer_named_ctl: + case snd_soc_dapm_supply: if (w->name) count += sprintf(buf + count, "%s: %s\n", w->name, w->power ? "On":"Off"); @@ -1044,6 +1075,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_codec *codec, case snd_soc_dapm_vmid: case snd_soc_dapm_pre: case snd_soc_dapm_post: + case snd_soc_dapm_supply: list_add(&path->list, &codec->dapm_paths); list_add(&path->list_sink, &wsink->sources); list_add(&path->list_source, &wsource->sinks); @@ -1164,6 +1196,8 @@ int snd_soc_dapm_new_widgets(struct snd_soc_codec *codec) case snd_soc_dapm_line: w->power_check = dapm_generic_check_power; break; + case snd_soc_dapm_supply: + w->power_check = dapm_supply_check_power; case snd_soc_dapm_vmid: case snd_soc_dapm_pre: case snd_soc_dapm_post: -- cgit v1.2.3 From 7629ad24f2b3df95c8b4cd8869e3c04e1df6c442 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Fri, 24 Apr 2009 16:37:44 +0200 Subject: ASoC: add SOC_DOUBLE_EXT macro Add a macro for double controls with special callback functions. Signed-off-by: Daniel Mack Signed-off-by: Mark Brown --- include/sound/soc.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include') diff --git a/include/sound/soc.h b/include/sound/soc.h index b1f2f8819fea..6ab80bf7abd2 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -118,6 +118,14 @@ .info = snd_soc_info_volsw, \ .get = xhandler_get, .put = xhandler_put, \ .private_value = SOC_SINGLE_VALUE(xreg, xshift, xmax, xinvert) } +#define SOC_DOUBLE_EXT(xname, xreg, shift_left, shift_right, xmax, xinvert,\ + xhandler_get, xhandler_put) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = (xname),\ + .info = snd_soc_info_volsw, \ + .get = xhandler_get, .put = xhandler_put, \ + .private_value = (unsigned long)&(struct soc_mixer_control) \ + {.reg = xreg, .shift = shift_left, .rshift = shift_right, \ + .max = xmax, .invert = xinvert} } #define SOC_SINGLE_EXT_TLV(xname, xreg, xshift, xmax, xinvert,\ xhandler_get, xhandler_put, tlv_array) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \ -- cgit v1.2.3 From 33f503c96c976fd585dedb76514ca6cb286e60d9 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 2 May 2009 12:24:55 +0100 Subject: ASoC: Use a shared define for AC97 CODEC data formats The AC97 wire format is completely fixed so CODECs don't have any choice about the formats they accept but controllers accept a variety of data formats and render them down onto the bus. Have a shared define so all the CODEC drivers will interoperate with any of our controller drivers. Signed-off-by: Mark Brown --- include/sound/soc-dai.h | 3 +++ sound/soc/codecs/ac97.c | 4 ++-- sound/soc/codecs/ad1980.c | 4 ++-- sound/soc/codecs/wm9705.c | 4 ++-- sound/soc/codecs/wm9712.c | 6 +++--- sound/soc/codecs/wm9713.c | 6 +++--- 6 files changed, 15 insertions(+), 12 deletions(-) (limited to 'include') diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 22b729fbbf84..ea07b4bd5161 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -96,6 +96,9 @@ struct snd_pcm_substream; #define SND_SOC_CLOCK_IN 0 #define SND_SOC_CLOCK_OUT 1 +#define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S16_LE |\ + SNDRV_PCM_FMTBIT_S32_LE) + struct snd_soc_dai_ops; struct snd_soc_dai; struct snd_ac97_bus_ops; diff --git a/sound/soc/codecs/ac97.c b/sound/soc/codecs/ac97.c index b0d4af145b87..932299bb5d1e 100644 --- a/sound/soc/codecs/ac97.c +++ b/sound/soc/codecs/ac97.c @@ -53,13 +53,13 @@ struct snd_soc_dai ac97_dai = { .channels_min = 1, .channels_max = 2, .rates = STD_AC97_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .formats = SND_SOC_STD_AC97_FMTS,}, .capture = { .stream_name = "AC97 Capture", .channels_min = 1, .channels_max = 2, .rates = STD_AC97_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .formats = SND_SOC_STD_AC97_FMTS,}, .ops = &ac97_dai_ops, }; EXPORT_SYMBOL_GPL(ac97_dai); diff --git a/sound/soc/codecs/ad1980.c b/sound/soc/codecs/ad1980.c index ddb3b08ac23c..d7440a982d22 100644 --- a/sound/soc/codecs/ad1980.c +++ b/sound/soc/codecs/ad1980.c @@ -137,13 +137,13 @@ struct snd_soc_dai ad1980_dai = { .channels_min = 2, .channels_max = 6, .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S16_LE, }, + .formats = SND_SOC_STD_AC97_FMTS, }, .capture = { .stream_name = "Capture", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_48000, - .formats = SNDRV_PCM_FMTBIT_S16_LE, }, + .formats = SND_SOC_STD_AC97_FMTS, }, }; EXPORT_SYMBOL_GPL(ad1980_dai); diff --git a/sound/soc/codecs/wm9705.c b/sound/soc/codecs/wm9705.c index c2d1a7a18fa3..fa88b463e71f 100644 --- a/sound/soc/codecs/wm9705.c +++ b/sound/soc/codecs/wm9705.c @@ -282,14 +282,14 @@ struct snd_soc_dai wm9705_dai[] = { .channels_min = 1, .channels_max = 2, .rates = WM9705_AC97_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE, + .formats = SND_SOC_STD_AC97_FMTS, }, .capture = { .stream_name = "HiFi Capture", .channels_min = 1, .channels_max = 2, .rates = WM9705_AC97_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE, + .formats = SND_SOC_STD_AC97_FMTS, }, .ops = &wm9705_dai_ops, }, diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c index 765cf1e7369e..550c903f23bf 100644 --- a/sound/soc/codecs/wm9712.c +++ b/sound/soc/codecs/wm9712.c @@ -534,13 +534,13 @@ struct snd_soc_dai wm9712_dai[] = { .channels_min = 1, .channels_max = 2, .rates = WM9712_AC97_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .formats = SND_SOC_STD_AC97_FMTS,}, .capture = { .stream_name = "HiFi Capture", .channels_min = 1, .channels_max = 2, .rates = WM9712_AC97_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .formats = SND_SOC_STD_AC97_FMTS,}, .ops = &wm9712_dai_ops_hifi, }, { @@ -550,7 +550,7 @@ struct snd_soc_dai wm9712_dai[] = { .channels_min = 1, .channels_max = 1, .rates = WM9712_AC97_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .formats = SND_SOC_STD_AC97_FMTS,}, .ops = &wm9712_dai_ops_aux, } }; diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c index a6feb7842314..d1744e96f303 100644 --- a/sound/soc/codecs/wm9713.c +++ b/sound/soc/codecs/wm9713.c @@ -1040,13 +1040,13 @@ struct snd_soc_dai wm9713_dai[] = { .channels_min = 1, .channels_max = 2, .rates = WM9713_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .formats = SND_SOC_STD_AC97_FMTS,}, .capture = { .stream_name = "HiFi Capture", .channels_min = 1, .channels_max = 2, .rates = WM9713_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .formats = SND_SOC_STD_AC97_FMTS,}, .ops = &wm9713_dai_ops_hifi, }, { @@ -1056,7 +1056,7 @@ struct snd_soc_dai wm9713_dai[] = { .channels_min = 1, .channels_max = 1, .rates = WM9713_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, + .formats = SND_SOC_STD_AC97_FMTS,}, .ops = &wm9713_dai_ops_aux, }, { -- cgit v1.2.3 From 4072604b9dd18f25a98cc0f4d3d4553ed1ad4152 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 2 May 2009 12:28:25 +0100 Subject: ASoC: Remove unused DAI format defines The defines for TDM and synchronous clocks are not used - they are mostly a legacy of the automatic clocking configuration. TDM will require configuration of the number of timeslots and which ones to use so can't be fit into the DAI format and synchronous mode is handled by symmetric_rates (and needs to be done by constraints rather than when the DAI format is being configured). Signed-off-by: Mark Brown --- include/sound/soc-dai.h | 18 ------------------ 1 file changed, 18 deletions(-) (limited to 'include') diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index ea07b4bd5161..a997c2cac63f 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -44,24 +44,6 @@ struct snd_pcm_substream; #define SND_SOC_DAIFMT_CONT (0 << 4) /* continuous clock */ #define SND_SOC_DAIFMT_GATED (1 << 4) /* clock is gated */ -/* - * DAI Left/Right Clocks. - * - * Specifies whether the DAI can support different samples for similtanious - * playback and capture. This usually requires a seperate physical frame - * clock for playback and capture. - */ -#define SND_SOC_DAIFMT_SYNC (0 << 5) /* Tx FRM = Rx FRM */ -#define SND_SOC_DAIFMT_ASYNC (1 << 5) /* Tx FRM ~ Rx FRM */ - -/* - * TDM - * - * Time Division Multiplexing. Allows PCM data to be multplexed with other - * data on the DAI. - */ -#define SND_SOC_DAIFMT_TDM (1 << 6) - /* * DAI hardware signal inversions. * -- cgit v1.2.3 From bbd993077d788589a86a718ba7a7895ba5e71a17 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Tue, 5 May 2009 10:27:38 +0100 Subject: ASoC: Remove redundant codec pointer from DAIs The DAI structure has two pointers to the codec, one in the body of the DAI and one in a union for a parent pointer. Drop the parent pointer version. Signed-off-by: Mark Brown --- include/sound/soc-dai.h | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) (limited to 'include') diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index a997c2cac63f..496dc30457b7 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -205,11 +205,8 @@ struct snd_soc_dai { /* DAI private data */ void *private_data; - /* parent codec/platform */ - union { - struct snd_soc_codec *codec; - struct snd_soc_platform *platform; - }; + /* parent platform */ + struct snd_soc_platform *platform; struct list_head list; }; -- cgit v1.2.3 From 4bbe1ddf89a5ba3ec30fe5980912d8bda3a3cbb2 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Mon, 13 Oct 2008 03:07:14 +0200 Subject: ALSA: Add extra delay count in PCM Added runtime->delay field to adjust the delayed samples for snd_pcm_delay(). Typically a hardware FIFO length is stored in this field, so that the extra delay between hwptr and applptr can be computed. Signed-off-by: Takashi Iwai --- include/sound/pcm.h | 1 + sound/core/pcm_native.c | 8 +++++--- 2 files changed, 6 insertions(+), 3 deletions(-) (limited to 'include') diff --git a/include/sound/pcm.h b/include/sound/pcm.h index c17296891617..267effddb070 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -270,6 +270,7 @@ struct snd_pcm_runtime { snd_pcm_uframes_t hw_ptr_base; /* Position at buffer restart */ snd_pcm_uframes_t hw_ptr_interrupt; /* Position at interrupt time */ unsigned long hw_ptr_jiffies; /* Time when hw_ptr is updated */ + snd_pcm_sframes_t delay; /* extra delay; typically FIFO size */ /* -- HW params -- */ snd_pcm_access_t access; /* access mode */ diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index fc6f98e257df..cb769d415db7 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -587,14 +587,15 @@ int snd_pcm_status(struct snd_pcm_substream *substream, if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { status->avail = snd_pcm_playback_avail(runtime); if (runtime->status->state == SNDRV_PCM_STATE_RUNNING || - runtime->status->state == SNDRV_PCM_STATE_DRAINING) + runtime->status->state == SNDRV_PCM_STATE_DRAINING) { status->delay = runtime->buffer_size - status->avail; - else + status->delay += runtime->delay; + } else status->delay = 0; } else { status->avail = snd_pcm_capture_avail(runtime); if (runtime->status->state == SNDRV_PCM_STATE_RUNNING) - status->delay = status->avail; + status->delay = status->avail + runtime->delay; else status->delay = 0; } @@ -2404,6 +2405,7 @@ static int snd_pcm_delay(struct snd_pcm_substream *substream, n = snd_pcm_playback_hw_avail(runtime); else n = snd_pcm_capture_avail(runtime); + n += runtime->delay; break; case SNDRV_PCM_STATE_XRUN: err = -EPIPE; -- cgit v1.2.3 From 08ce4c91e44d51bb6c946f2756825a462d53c545 Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Tue, 7 Apr 2009 23:40:39 +0200 Subject: dlm: Make name input parameter of {,dlm_}new_lockspace() const | fs/gfs2/lock_dlm.c:207: warning: passing argument 1 of 'dlm_new_lockspace' discards qualifiers from pointer target type Signed-off-by: Geert Uytterhoeven Signed-off-by: David Teigland --- fs/dlm/lockspace.c | 4 ++-- include/linux/dlm.h | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) (limited to 'include') diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c index cd8e2df3c295..82528d9b72ed 100644 --- a/fs/dlm/lockspace.c +++ b/fs/dlm/lockspace.c @@ -384,7 +384,7 @@ static void threads_stop(void) dlm_astd_stop(); } -static int new_lockspace(char *name, int namelen, void **lockspace, +static int new_lockspace(const char *name, int namelen, void **lockspace, uint32_t flags, int lvblen) { struct dlm_ls *ls; @@ -614,7 +614,7 @@ static int new_lockspace(char *name, int namelen, void **lockspace, return error; } -int dlm_new_lockspace(char *name, int namelen, void **lockspace, +int dlm_new_lockspace(const char *name, int namelen, void **lockspace, uint32_t flags, int lvblen) { int error = 0; diff --git a/include/linux/dlm.h b/include/linux/dlm.h index b9cd38603fd8..0b3518c42356 100644 --- a/include/linux/dlm.h +++ b/include/linux/dlm.h @@ -81,8 +81,8 @@ struct dlm_lksb { * the cluster, the calling node joins it. */ -int dlm_new_lockspace(char *name, int namelen, dlm_lockspace_t **lockspace, - uint32_t flags, int lvblen); +int dlm_new_lockspace(const char *name, int namelen, + dlm_lockspace_t **lockspace, uint32_t flags, int lvblen); /* * dlm_release_lockspace -- cgit v1.2.3 From d34c43078236b41146877c49af341ab85b5fb8db Mon Sep 17 00:00:00 2001 From: Jon Smirl Date: Wed, 13 May 2009 21:59:14 -0400 Subject: ASoC: Add SNDRV_PCM_FMTBIT_S32_BE as a valid AC97 format Signed-off-by: Jon Smirl Signed-off-by: Mark Brown --- include/sound/soc-dai.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/sound/soc-dai.h b/include/sound/soc-dai.h index 496dc30457b7..352d7eee9b6d 100644 --- a/include/sound/soc-dai.h +++ b/include/sound/soc-dai.h @@ -79,7 +79,8 @@ struct snd_pcm_substream; #define SND_SOC_CLOCK_OUT 1 #define SND_SOC_STD_AC97_FMTS (SNDRV_PCM_FMTBIT_S16_LE |\ - SNDRV_PCM_FMTBIT_S32_LE) + SNDRV_PCM_FMTBIT_S32_LE |\ + SNDRV_PCM_FMTBIT_S32_BE) struct snd_soc_dai_ops; struct snd_soc_dai; -- cgit v1.2.3 From 9fc20f030ba457d20eb994e1def7e2ce7d5ae1a8 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Thu, 14 May 2009 15:14:18 +0200 Subject: ALSA: ctxfi - Move PCI ID definitions to linux/pci_ids.h Signed-off-by: Takashi Iwai --- include/linux/pci_ids.h | 7 +++++++ sound/pci/ctxfi/ctatc.c | 17 +++++++++-------- sound/pci/ctxfi/ctdrv.h | 30 ------------------------------ sound/pci/ctxfi/xfi.c | 6 +++--- 4 files changed, 19 insertions(+), 41 deletions(-) delete mode 100644 sound/pci/ctxfi/ctdrv.h (limited to 'include') diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h index 06ba90c211a5..619153138986 100644 --- a/include/linux/pci_ids.h +++ b/include/linux/pci_ids.h @@ -1314,6 +1314,13 @@ #define PCI_VENDOR_ID_CREATIVE 0x1102 /* duplicate: ECTIVA */ #define PCI_DEVICE_ID_CREATIVE_EMU10K1 0x0002 +#define PCI_DEVICE_ID_CREATIVE_20K1 0x0005 +#define PCI_DEVICE_ID_CREATIVE_20K2 0x000b +#define PCI_SUBDEVICE_ID_CREATIVE_SB0760 0x0024 +#define PCI_SUBDEVICE_ID_CREATIVE_SB08801 0x0041 +#define PCI_SUBDEVICE_ID_CREATIVE_SB08802 0x0042 +#define PCI_SUBDEVICE_ID_CREATIVE_SB08803 0x0043 +#define PCI_SUBDEVICE_ID_CREATIVE_HENDRIX 0x6000 #define PCI_VENDOR_ID_ECTIVA 0x1102 /* duplicate: CREATIVE */ #define PCI_DEVICE_ID_ECTIVA_EV1938 0x8938 diff --git a/sound/pci/ctxfi/ctatc.c b/sound/pci/ctxfi/ctatc.c index 5f35374863fb..073fe2a59dae 100644 --- a/sound/pci/ctxfi/ctatc.c +++ b/sound/pci/ctxfi/ctatc.c @@ -18,7 +18,6 @@ #include "ctatc.h" #include "ctpcm.h" #include "ctmixer.h" -#include "ctdrv.h" #include "cthardware.h" #include "ctsrc.h" #include "ctamixer.h" @@ -40,23 +39,25 @@ | ((IEC958_AES3_CON_FS_48000) << 24)) static const struct ct_atc_chip_sub_details atc_sub_details[NUM_CTCARDS] = { - [CTSB0760] = {.subsys = PCI_SUBSYS_CREATIVE_SB0760, + [CTSB0760] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB0760, .nm_model = "SB076x"}, - [CTHENDRIX] = {.subsys = PCI_SUBSYS_CREATIVE_HENDRIX, + [CTHENDRIX] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_HENDRIX, .nm_model = "Hendrix"}, - [CTSB08801] = {.subsys = PCI_SUBSYS_CREATIVE_SB08801, + [CTSB08801] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08801, .nm_model = "SB0880"}, - [CTSB08802] = {.subsys = PCI_SUBSYS_CREATIVE_SB08802, + [CTSB08802] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08802, .nm_model = "SB0880"}, - [CTSB08803] = {.subsys = PCI_SUBSYS_CREATIVE_SB08803, + [CTSB08803] = {.subsys = PCI_SUBDEVICE_ID_CREATIVE_SB08803, .nm_model = "SB0880"} }; static struct ct_atc_chip_details atc_chip_details[] = { - {.vendor = PCI_VENDOR_CREATIVE, .device = PCI_DEVICE_CREATIVE_20K1, + {.vendor = PCI_VENDOR_ID_CREATIVE, + .device = PCI_DEVICE_ID_CREATIVE_20K1, .sub_details = NULL, .nm_card = "X-Fi 20k1"}, - {.vendor = PCI_VENDOR_CREATIVE, .device = PCI_DEVICE_CREATIVE_20K2, + {.vendor = PCI_VENDOR_ID_CREATIVE, + .device = PCI_DEVICE_ID_CREATIVE_20K2, .sub_details = atc_sub_details, .nm_card = "X-Fi 20k2"}, {} /* terminator */ diff --git a/sound/pci/ctxfi/ctdrv.h b/sound/pci/ctxfi/ctdrv.h deleted file mode 100644 index f776a44f52cf..000000000000 --- a/sound/pci/ctxfi/ctdrv.h +++ /dev/null @@ -1,30 +0,0 @@ -/** - * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. - * - * This source file is released under GPL v2 license (no other versions). - * See the COPYING file included in the main directory of this source - * distribution for the license terms and conditions. - * - * @file ctdrv.h - * - * @breaf - * This file contains the definition of card IDs supported by this driver. - * - * @author Liu Chun - * - */ - -#ifndef CTDRV_H -#define CTDRV_H - -#define PCI_VENDOR_CREATIVE 0x1102 -#define PCI_DEVICE_CREATIVE_20K1 0x0005 -#define PCI_DEVICE_CREATIVE_20K2 0x000B -#define PCI_SUBVENDOR_CREATIVE 0x1102 -#define PCI_SUBSYS_CREATIVE_SB0760 0x0024 -#define PCI_SUBSYS_CREATIVE_SB08801 0x0041 -#define PCI_SUBSYS_CREATIVE_SB08802 0x0042 -#define PCI_SUBSYS_CREATIVE_SB08803 0x0043 -#define PCI_SUBSYS_CREATIVE_HENDRIX 0x6000 - -#endif /* CTDRV_H */ diff --git a/sound/pci/ctxfi/xfi.c b/sound/pci/ctxfi/xfi.c index f91144036512..b7368fded53c 100644 --- a/sound/pci/ctxfi/xfi.c +++ b/sound/pci/ctxfi/xfi.c @@ -11,10 +11,10 @@ #include #include #include +#include #include #include #include "ctatc.h" -#include "ctdrv.h" MODULE_AUTHOR("Creative Technology Ltd"); MODULE_DESCRIPTION("X-Fi driver version 1.03"); @@ -32,8 +32,8 @@ static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; static struct pci_device_id ct_pci_dev_ids[] = { /* only X-Fi is supported, so... */ - { PCI_DEVICE(PCI_VENDOR_CREATIVE, PCI_DEVICE_CREATIVE_20K1) }, - { PCI_DEVICE(PCI_VENDOR_CREATIVE, PCI_DEVICE_CREATIVE_20K2) }, + { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K1) }, + { PCI_DEVICE(PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_20K2) }, { 0, } }; MODULE_DEVICE_TABLE(pci, ct_pci_dev_ids); -- cgit v1.2.3 From ca1b96e00ab5d1b0838965834469a0284c81a517 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 17 May 2009 19:12:21 +0200 Subject: ide: replace special_t typedef by IDE_SFLAG_* flags Replace: - special_t typedef by IDE_SFLAG_* flags - 'special_t special' ide_drive_t's field by 'u8 special_flags' one There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 4 ++-- drivers/ide/ide-eh.c | 9 ++++----- drivers/ide/ide-io.c | 21 +++++++++++---------- drivers/ide/ide-probe.c | 6 +++--- drivers/ide/ide-taskfile.c | 2 +- drivers/ide/siimage.c | 4 ++-- include/linux/ide.h | 21 ++++++--------------- 7 files changed, 29 insertions(+), 38 deletions(-) (limited to 'include') diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index c2438804d3c4..d345f5f23f01 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -428,14 +428,14 @@ static int set_multcount(ide_drive_t *drive, int arg) if (arg < 0 || arg > (drive->id[ATA_ID_MAX_MULTSECT] & 0xff)) return -EINVAL; - if (drive->special.b.set_multmode) + if (drive->special_flags & IDE_SFLAG_SET_MULTMODE) return -EBUSY; rq = blk_get_request(drive->queue, READ, __GFP_WAIT); rq->cmd_type = REQ_TYPE_ATA_TASKFILE; drive->mult_req = arg; - drive->special.b.set_multmode = 1; + drive->special_flags |= IDE_SFLAG_SET_MULTMODE; error = blk_execute_rq(drive->queue, NULL, rq, 0); blk_put_request(rq); diff --git a/drivers/ide/ide-eh.c b/drivers/ide/ide-eh.c index 5d5fb961b5ce..39d589254d41 100644 --- a/drivers/ide/ide-eh.c +++ b/drivers/ide/ide-eh.c @@ -52,7 +52,7 @@ static ide_startstop_t ide_ata_error(ide_drive_t *drive, struct request *rq, } if ((rq->errors & ERROR_RECAL) == ERROR_RECAL) - drive->special.b.recalibrate = 1; + drive->special_flags |= IDE_SFLAG_RECALIBRATE; ++rq->errors; @@ -268,9 +268,8 @@ static void ide_disk_pre_reset(ide_drive_t *drive) { int legacy = (drive->id[ATA_ID_CFS_ENABLE_2] & 0x0400) ? 0 : 1; - drive->special.all = 0; - drive->special.b.set_geometry = legacy; - drive->special.b.recalibrate = legacy; + drive->special_flags = + legacy ? (IDE_SFLAG_SET_GEOMETRY | IDE_SFLAG_RECALIBRATE) : 0; drive->mult_count = 0; drive->dev_flags &= ~IDE_DFLAG_PARKED; @@ -280,7 +279,7 @@ static void ide_disk_pre_reset(ide_drive_t *drive) drive->mult_req = 0; if (drive->mult_req != drive->mult_count) - drive->special.b.set_multmode = 1; + drive->special_flags |= IDE_SFLAG_SET_MULTMODE; } static void pre_reset(ide_drive_t *drive) diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 18557683ed5a..644d7b4454a6 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -194,14 +194,14 @@ static void ide_tf_set_setmult_cmd(ide_drive_t *drive, struct ide_taskfile *tf) static ide_startstop_t do_special(ide_drive_t *drive) { - special_t *s = &drive->special; struct ide_cmd cmd; #ifdef DEBUG - printk(KERN_DEBUG "%s: %s: 0x%02x\n", drive->name, __func__, s->all); + printk(KERN_DEBUG "%s: %s: 0x%02x\n", drive->name, __func__, + drive->special_flags); #endif if (drive->media != ide_disk) { - s->all = 0; + drive->special_flags = 0; drive->mult_req = 0; return ide_stopped; } @@ -209,14 +209,14 @@ static ide_startstop_t do_special(ide_drive_t *drive) memset(&cmd, 0, sizeof(cmd)); cmd.protocol = ATA_PROT_NODATA; - if (s->b.set_geometry) { - s->b.set_geometry = 0; + if (drive->special_flags & IDE_SFLAG_SET_GEOMETRY) { + drive->special_flags &= ~IDE_SFLAG_SET_GEOMETRY; ide_tf_set_specify_cmd(drive, &cmd.tf); - } else if (s->b.recalibrate) { - s->b.recalibrate = 0; + } else if (drive->special_flags & IDE_SFLAG_RECALIBRATE) { + drive->special_flags &= ~IDE_SFLAG_RECALIBRATE; ide_tf_set_restore_cmd(drive, &cmd.tf); - } else if (s->b.set_multmode) { - s->b.set_multmode = 0; + } else if (drive->special_flags & IDE_SFLAG_SET_MULTMODE) { + drive->special_flags &= ~IDE_SFLAG_SET_MULTMODE; ide_tf_set_setmult_cmd(drive, &cmd.tf); } else BUG(); @@ -339,7 +339,8 @@ static ide_startstop_t start_request (ide_drive_t *drive, struct request *rq) printk(KERN_ERR "%s: drive not ready for command\n", drive->name); return startstop; } - if (!drive->special.all) { + + if (drive->special_flags == 0) { struct ide_driver *drv; /* diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index b609a581df44..727a67109ff0 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -97,7 +97,7 @@ static void ide_disk_init_mult_count(ide_drive_t *drive) drive->mult_req = id[ATA_ID_MULTSECT] & 0xff; if (drive->mult_req) - drive->special.b.set_multmode = 1; + drive->special_flags |= IDE_SFLAG_SET_MULTMODE; } } @@ -1138,8 +1138,8 @@ static void ide_port_init_devices_data(ide_hwif_t *hwif) drive->hwif = hwif; drive->ready_stat = ATA_DRDY; drive->bad_wstat = BAD_W_STAT; - drive->special.b.recalibrate = 1; - drive->special.b.set_geometry = 1; + drive->special_flags = IDE_SFLAG_RECALIBRATE | + IDE_SFLAG_SET_GEOMETRY; drive->name[0] = 'h'; drive->name[1] = 'd'; drive->name[2] = 'a' + j; diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c index f400eb4d4aff..8cab3c26acda 100644 --- a/drivers/ide/ide-taskfile.c +++ b/drivers/ide/ide-taskfile.c @@ -166,7 +166,7 @@ static ide_startstop_t task_no_data_intr(ide_drive_t *drive) if (!OK_STAT(stat, ATA_DRDY, BAD_STAT)) { if (custom && tf->command == ATA_CMD_SET_MULTI) { drive->mult_req = drive->mult_count = 0; - drive->special.b.recalibrate = 1; + drive->special_flags |= IDE_SFLAG_RECALIBRATE; (void)ide_dump_status(drive, __func__, stat); return ide_stopped; } else if (custom && tf->command == ATA_CMD_INIT_DEV_PARAMS) { diff --git a/drivers/ide/siimage.c b/drivers/ide/siimage.c index e4973cd1fba9..bd82d228608c 100644 --- a/drivers/ide/siimage.c +++ b/drivers/ide/siimage.c @@ -451,8 +451,8 @@ static int sil_sata_reset_poll(ide_drive_t *drive) static void sil_sata_pre_reset(ide_drive_t *drive) { if (drive->media == ide_disk) { - drive->special.b.set_geometry = 0; - drive->special.b.recalibrate = 0; + drive->special_flags &= + ~(IDE_SFLAG_SET_GEOMETRY | IDE_SFLAG_RECALIBRATE); } } diff --git a/include/linux/ide.h b/include/linux/ide.h index 34c128f0a33c..fc61328a4cdb 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -218,21 +218,12 @@ static inline void ide_std_init_ports(hw_regs_t *hw, /* * Special Driver Flags - * - * set_geometry : respecify drive geometry - * recalibrate : seek to cyl 0 - * set_multmode : set multmode count - * reserved : unused */ -typedef union { - unsigned all : 8; - struct { - unsigned set_geometry : 1; - unsigned recalibrate : 1; - unsigned set_multmode : 1; - unsigned reserved : 5; - } b; -} special_t; +enum { + IDE_SFLAG_SET_GEOMETRY = (1 << 0), + IDE_SFLAG_RECALIBRATE = (1 << 1), + IDE_SFLAG_SET_MULTMODE = (1 << 2), +}; /* * Status returned from various ide_ functions @@ -530,7 +521,7 @@ struct ide_drive_s { unsigned long sleep; /* sleep until this time */ unsigned long timeout; /* max time to wait for irq */ - special_t special; /* special action flags */ + u8 special_flags; /* special action flags */ u8 select; /* basic drive/head select reg value */ u8 retry_pio; /* retrying dma capable host in pio */ -- cgit v1.2.3 From 29e52cf793ded6bece50de50e738596f94f07d9f Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 17 May 2009 19:12:22 +0200 Subject: ide: remove chipset field from hw_regs_t * Convert host drivers that still use hw_regs_t's chipset field to use the one in struct ide_port_info instead. * Move special handling of ide_pci chipset type from ide_hw_configure() to ide_init_port(). * Remove chipset field from hw_regs_t. While at it: - remove stale comment in delkin_cb.c There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/at91_ide.c | 2 +- drivers/ide/au1xxx-ide.c | 2 +- drivers/ide/buddha.c | 3 +-- drivers/ide/cmd640.c | 2 -- drivers/ide/delkin_cb.c | 2 +- drivers/ide/falconide.c | 3 +-- drivers/ide/gayle.c | 3 +-- drivers/ide/icside.c | 3 ++- drivers/ide/ide-4drives.c | 2 +- drivers/ide/ide-cs.c | 2 +- drivers/ide/ide-generic.c | 3 +-- drivers/ide/ide-h8300.c | 2 +- drivers/ide/ide-legacy.c | 1 - drivers/ide/ide-pnp.c | 2 +- drivers/ide/ide-probe.c | 4 +--- drivers/ide/ide_platform.c | 3 +-- drivers/ide/macide.c | 3 +-- drivers/ide/palm_bk3710.c | 2 +- drivers/ide/q40ide.c | 3 +-- drivers/ide/rapide.c | 2 +- drivers/ide/scc_pata.c | 2 +- drivers/ide/setup-pci.c | 1 - drivers/ide/sgiioc4.c | 1 - include/linux/ide.h | 1 - 24 files changed, 20 insertions(+), 34 deletions(-) (limited to 'include') diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c index 403d0e4265db..8d39cc9bdf92 100644 --- a/drivers/ide/at91_ide.c +++ b/drivers/ide/at91_ide.c @@ -216,6 +216,7 @@ static const struct ide_port_info at91_ide_port_info __initdata = { .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA | IDE_HFLAG_SINGLE | IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_UNMASK_IRQS, .pio_mask = ATA_PIO6, + .chipset = ide_generic, }; /* @@ -304,7 +305,6 @@ static int __init at91_ide_probe(struct platform_device *pdev) ide_std_init_ports(&hw, tf_base, ctl_base + 6); hw.irq = board->irq_pin; - hw.chipset = ide_generic; hw.dev = &pdev->dev; host = ide_host_alloc(&at91_ide_port_info, hws); diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c index 46013644c965..9b31f830e2f5 100644 --- a/drivers/ide/au1xxx-ide.c +++ b/drivers/ide/au1xxx-ide.c @@ -499,6 +499,7 @@ static const struct ide_port_info au1xxx_port_info = { #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA .mwdma_mask = ATA_MWDMA2, #endif + .chipset = ide_au1xxx, }; static int au_ide_probe(struct platform_device *dev) @@ -548,7 +549,6 @@ static int au_ide_probe(struct platform_device *dev) auide_setup_ports(&hw, ahwif); hw.irq = ahwif->irq; hw.dev = &dev->dev; - hw.chipset = ide_au1xxx; ret = ide_host_add(&au1xxx_port_info, hws, &host); if (ret) diff --git a/drivers/ide/buddha.c b/drivers/ide/buddha.c index d028f8864bc1..9aa2cd9be310 100644 --- a/drivers/ide/buddha.c +++ b/drivers/ide/buddha.c @@ -139,13 +139,12 @@ static void __init buddha_setup_ports(hw_regs_t *hw, unsigned long base, hw->irq = IRQ_AMIGA_PORTS; hw->ack_intr = ack_intr; - - hw->chipset = ide_generic; } static const struct ide_port_info buddha_port_info = { .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, .irq_flags = IRQF_SHARED, + .chipset = ide_generic, }; /* diff --git a/drivers/ide/cmd640.c b/drivers/ide/cmd640.c index 8890276fef7f..e862a2503ab0 100644 --- a/drivers/ide/cmd640.c +++ b/drivers/ide/cmd640.c @@ -762,11 +762,9 @@ static int __init cmd640x_init(void) ide_std_init_ports(&hw[0], 0x1f0, 0x3f6); hw[0].irq = 14; - hw[0].chipset = ide_cmd640; ide_std_init_ports(&hw[1], 0x170, 0x376); hw[1].irq = 15; - hw[1].chipset = ide_cmd640; printk(KERN_INFO "cmd640: buggy cmd640%c interface on %s, config=0x%02x" "\n", 'a' + cmd640_chip_version - 1, bus_type, cfr); diff --git a/drivers/ide/delkin_cb.c b/drivers/ide/delkin_cb.c index f153b95619bb..a0de834a81c3 100644 --- a/drivers/ide/delkin_cb.c +++ b/drivers/ide/delkin_cb.c @@ -68,6 +68,7 @@ static const struct ide_port_info delkin_cb_port_info = { IDE_HFLAG_NO_DMA, .irq_flags = IRQF_SHARED, .init_chipset = delkin_cb_init_chipset, + .chipset = ide_pci, }; static int __devinit @@ -97,7 +98,6 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) ide_std_init_ports(&hw, base + 0x10, base + 0x1e); hw.irq = dev->irq; hw.dev = &dev->dev; - hw.chipset = ide_pci; /* this enables IRQ sharing */ rc = ide_host_add(&delkin_cb_port_info, hws, &host); if (rc) diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c index 0e2df6755ec9..770cfa67bdc8 100644 --- a/drivers/ide/falconide.c +++ b/drivers/ide/falconide.c @@ -111,6 +111,7 @@ static const struct ide_port_info falconide_port_info = { .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_SERIALIZE | IDE_HFLAG_NO_DMA, .irq_flags = IRQF_SHARED, + .chipset = ide_generic, }; static void __init falconide_setup_ports(hw_regs_t *hw) @@ -128,8 +129,6 @@ static void __init falconide_setup_ports(hw_regs_t *hw) hw->irq = IRQ_MFP_IDE; hw->ack_intr = NULL; - - hw->chipset = ide_generic; } /* diff --git a/drivers/ide/gayle.c b/drivers/ide/gayle.c index c7119516c5a7..71db2f9c3361 100644 --- a/drivers/ide/gayle.c +++ b/drivers/ide/gayle.c @@ -106,14 +106,13 @@ static void __init gayle_setup_ports(hw_regs_t *hw, unsigned long base, hw->irq = IRQ_AMIGA_PORTS; hw->ack_intr = ack_intr; - - hw->chipset = ide_generic; } static const struct ide_port_info gayle_port_info = { .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_SERIALIZE | IDE_HFLAG_NO_DMA, .irq_flags = IRQF_SHARED, + .chipset = ide_generic, }; /* diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 36da913cc553..6352a44ed179 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -398,11 +398,11 @@ static void icside_setup_ports(hw_regs_t *hw, void __iomem *base, hw->irq = ec->irq; hw->dev = &ec->dev; - hw->chipset = ide_acorn; } static const struct ide_port_info icside_v5_port_info = { .host_flags = IDE_HFLAG_NO_DMA, + .chipset = ide_acorn, }; static int __devinit @@ -457,6 +457,7 @@ static const struct ide_port_info icside_v6_port_info __initdata = { .host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO, .mwdma_mask = ATA_MWDMA2, .swdma_mask = ATA_SWDMA2, + .chipset = ide_acorn, }; static int __devinit diff --git a/drivers/ide/ide-4drives.c b/drivers/ide/ide-4drives.c index 78aca75a2c48..617ca7a5ec8a 100644 --- a/drivers/ide/ide-4drives.c +++ b/drivers/ide/ide-4drives.c @@ -25,6 +25,7 @@ static const struct ide_port_info ide_4drives_port_info = { .port_ops = &ide_4drives_port_ops, .host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_NO_DMA | IDE_HFLAG_4DRIVES, + .chipset = ide_4drives, }; static int __init ide_4drives_init(void) @@ -52,7 +53,6 @@ static int __init ide_4drives_init(void) ide_std_init_ports(&hw, base, ctl); hw.irq = 14; - hw.chipset = ide_4drives; return ide_host_add(&ide_4drives_port_info, hws, NULL); } diff --git a/drivers/ide/ide-cs.c b/drivers/ide/ide-cs.c index 9e47f3529d55..43d09dcae28c 100644 --- a/drivers/ide/ide-cs.c +++ b/drivers/ide/ide-cs.c @@ -155,6 +155,7 @@ static const struct ide_port_info idecs_port_info = { .port_ops = &idecs_port_ops, .host_flags = IDE_HFLAG_NO_DMA, .irq_flags = IRQF_SHARED, + .chipset = ide_pci, }; static struct ide_host *idecs_register(unsigned long io, unsigned long ctl, @@ -181,7 +182,6 @@ static struct ide_host *idecs_register(unsigned long io, unsigned long ctl, memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, io, ctl); hw.irq = irq; - hw.chipset = ide_pci; hw.dev = &handle->dev; rc = ide_host_add(&idecs_port_info, hws, &host); diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 7812ca0be13b..0427759d0187 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -29,6 +29,7 @@ MODULE_PARM_DESC(probe_mask, "probe mask for legacy ISA IDE ports"); static const struct ide_port_info ide_generic_port_info = { .host_flags = IDE_HFLAG_NO_DMA, + .chipset = ide_generic, }; #ifdef CONFIG_ARM @@ -132,8 +133,6 @@ static int __init ide_generic_init(void) #else hw.irq = legacy_irqs[i]; #endif - hw.chipset = ide_generic; - rc = ide_host_add(&ide_generic_port_info, hws, NULL); if (rc) { release_region(io_addr + 0x206, 1); diff --git a/drivers/ide/ide-h8300.c b/drivers/ide/ide-h8300.c index c06ebdc4a130..40eff6c9759c 100644 --- a/drivers/ide/ide-h8300.c +++ b/drivers/ide/ide-h8300.c @@ -73,12 +73,12 @@ static inline void hw_setup(hw_regs_t *hw) hw->io_ports_array[i] = CONFIG_H8300_IDE_BASE + H8300_IDE_GAP*i; hw->io_ports.ctl_addr = CONFIG_H8300_IDE_ALT; hw->irq = EXT_IRQ0 + CONFIG_H8300_IDE_IRQ; - hw->chipset = ide_generic; } static const struct ide_port_info h8300_port_info = { .tp_ops = &h8300_tp_ops, .host_flags = IDE_HFLAG_NO_IO_32BIT | IDE_HFLAG_NO_DMA, + .chipset = ide_generic, }; static int __init h8300_ide_init(void) diff --git a/drivers/ide/ide-legacy.c b/drivers/ide/ide-legacy.c index 8c5dcbf22547..0c5b29c56cbe 100644 --- a/drivers/ide/ide-legacy.c +++ b/drivers/ide/ide-legacy.c @@ -33,7 +33,6 @@ static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw, ide_std_init_ports(hw, base, ctl); hw->irq = irq; - hw->chipset = d->chipset; hw->config = config; hws[port_no] = hw; diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c index 6e80b774e88a..47043fda2398 100644 --- a/drivers/ide/ide-pnp.c +++ b/drivers/ide/ide-pnp.c @@ -29,6 +29,7 @@ static struct pnp_device_id idepnp_devices[] = { static const struct ide_port_info ide_pnp_port_info = { .host_flags = IDE_HFLAG_NO_DMA, + .chipset = ide_generic, }; static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) @@ -62,7 +63,6 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) memset(&hw, 0, sizeof(hw)); ide_std_init_ports(&hw, base, ctl); hw.irq = pnp_irq(dev, 0); - hw.chipset = ide_generic; rc = ide_host_add(&ide_pnp_port_info, hws, &host); if (rc) diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 727a67109ff0..f17ba1932ad6 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1048,8 +1048,7 @@ static void ide_init_port(ide_hwif_t *hwif, unsigned int port, { hwif->channel = port; - if (d->chipset) - hwif->chipset = d->chipset; + hwif->chipset = d->chipset ? d->chipset : ide_pci; if (d->init_iops) d->init_iops(hwif); @@ -1178,7 +1177,6 @@ static void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw) { memcpy(&hwif->io_ports, &hw->io_ports, sizeof(hwif->io_ports)); hwif->irq = hw->irq; - hwif->chipset = hw->chipset; hwif->dev = hw->dev; hwif->gendev.parent = hw->parent ? hw->parent : hw->dev; hwif->ack_intr = hw->ack_intr; diff --git a/drivers/ide/ide_platform.c b/drivers/ide/ide_platform.c index 051b4ab0f359..813653362a26 100644 --- a/drivers/ide/ide_platform.c +++ b/drivers/ide/ide_platform.c @@ -40,12 +40,11 @@ static void __devinit plat_ide_setup_ports(hw_regs_t *hw, hw->io_ports.ctl_addr = (unsigned long)ctrl; hw->irq = irq; - - hw->chipset = ide_generic; } static const struct ide_port_info platform_ide_port_info = { .host_flags = IDE_HFLAG_NO_DMA, + .chipset = ide_generic, }; static int __devinit plat_ide_probe(struct platform_device *pdev) diff --git a/drivers/ide/macide.c b/drivers/ide/macide.c index 4b1718e83283..3af9e96da617 100644 --- a/drivers/ide/macide.c +++ b/drivers/ide/macide.c @@ -76,13 +76,12 @@ static void __init macide_setup_ports(hw_regs_t *hw, unsigned long base, hw->irq = irq; hw->ack_intr = ack_intr; - - hw->chipset = ide_generic; } static const struct ide_port_info macide_port_info = { .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, .irq_flags = IRQF_SHARED, + .chipset = ide_generic, }; static const char *mac_ide_name[] = diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c index 09d813d313f4..a455c25f43cc 100644 --- a/drivers/ide/palm_bk3710.c +++ b/drivers/ide/palm_bk3710.c @@ -306,6 +306,7 @@ static struct ide_port_info __devinitdata palm_bk3710_port_info = { .host_flags = IDE_HFLAG_MMIO, .pio_mask = ATA_PIO4, .mwdma_mask = ATA_MWDMA2, + .chipset = ide_palm3710, }; static int __init palm_bk3710_probe(struct platform_device *pdev) @@ -363,7 +364,6 @@ static int __init palm_bk3710_probe(struct platform_device *pdev) (base + IDE_PALM_ATA_PRI_CTL_OFFSET); hw.irq = irq->start; hw.dev = &pdev->dev; - hw.chipset = ide_palm3710; palm_bk3710_port_info.udma_mask = rate < 100000000 ? ATA_UDMA4 : ATA_UDMA5; diff --git a/drivers/ide/q40ide.c b/drivers/ide/q40ide.c index c79346679244..7488d4ff3d7c 100644 --- a/drivers/ide/q40ide.c +++ b/drivers/ide/q40ide.c @@ -70,8 +70,6 @@ static void q40_ide_setup_ports(hw_regs_t *hw, unsigned long base, hw->irq = irq; hw->ack_intr = ack_intr; - - hw->chipset = ide_generic; } static void q40ide_input_data(ide_drive_t *drive, struct ide_cmd *cmd, @@ -119,6 +117,7 @@ static const struct ide_port_info q40ide_port_info = { .tp_ops = &q40ide_tp_ops, .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, .irq_flags = IRQF_SHARED, + .chipset = ide_generic, }; /* diff --git a/drivers/ide/rapide.c b/drivers/ide/rapide.c index d5003ca69801..bd4d7a8a666c 100644 --- a/drivers/ide/rapide.c +++ b/drivers/ide/rapide.c @@ -13,6 +13,7 @@ static const struct ide_port_info rapide_port_info = { .host_flags = IDE_HFLAG_MMIO | IDE_HFLAG_NO_DMA, + .chipset = ide_generic, }; static void rapide_setup_ports(hw_regs_t *hw, void __iomem *base, @@ -49,7 +50,6 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id) memset(&hw, 0, sizeof(hw)); rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq); - hw.chipset = ide_generic; hw.dev = &ec->dev; ret = ide_host_add(&rapide_port_info, hws, &host); diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c index 5be41f25204f..9e3aef317332 100644 --- a/drivers/ide/scc_pata.c +++ b/drivers/ide/scc_pata.c @@ -567,7 +567,6 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev, hw.io_ports_array[i] = ports->dma + 0x20 + i * 4; hw.irq = dev->irq; hw.dev = &dev->dev; - hw.chipset = ide_pci; rc = ide_host_add(d, hws, &host); if (rc) @@ -823,6 +822,7 @@ static const struct ide_port_info scc_chipset __devinitdata = { .host_flags = IDE_HFLAG_SINGLE, .irq_flags = IRQF_SHARED, .pio_mask = ATA_PIO4, + .chipset = ide_pci, }; /** diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index 7a3a12d6e638..82519ddc9108 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -344,7 +344,6 @@ static int ide_hw_configure(struct pci_dev *dev, const struct ide_port_info *d, memset(hw, 0, sizeof(*hw)); hw->dev = &dev->dev; - hw->chipset = d->chipset ? d->chipset : ide_pci; ide_std_init_ports(hw, base, ctl | 2); return 0; diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c index e5d2a48a84de..676d41c7add5 100644 --- a/drivers/ide/sgiioc4.c +++ b/drivers/ide/sgiioc4.c @@ -575,7 +575,6 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) memset(&hw, 0, sizeof(hw)); sgiioc4_init_hwif_ports(&hw, cmd_base, ctl, irqport); hw.irq = dev->irq; - hw.chipset = ide_pci; hw.dev = &dev->dev; /* Initializing chipset IRQ Registers */ diff --git a/include/linux/ide.h b/include/linux/ide.h index fc61328a4cdb..9652edbd26af 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -186,7 +186,6 @@ typedef struct hw_regs_s { int irq; /* our irq number */ ide_ack_intr_t *ack_intr; /* acknowledge interrupt */ - hwif_chipset_t chipset; struct device *dev, *parent; unsigned long config; } hw_regs_t; -- cgit v1.2.3 From dca3983059a4481e4ae97bbf0ac4b4c21429e1a5 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 17 May 2009 19:12:24 +0200 Subject: ide: pass number of ports to ide_host_{alloc,add}() (v2) Pass number of ports to ide_host_{alloc,add}() and then update all users accordingly. v2: - drop no longer needed NULL initializers in buddha.c, cmd640.c and gayle.c (noticed by Sergei) There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/at91_ide.c | 5 ++--- drivers/ide/au1xxx-ide.c | 4 ++-- drivers/ide/buddha.c | 4 ++-- drivers/ide/cmd640.c | 5 +++-- drivers/ide/cs5520.c | 4 ++-- drivers/ide/delkin_cb.c | 4 ++-- drivers/ide/falconide.c | 4 ++-- drivers/ide/gayle.c | 4 ++-- drivers/ide/icside.c | 8 ++++---- drivers/ide/ide-4drives.c | 4 ++-- drivers/ide/ide-cs.c | 4 ++-- drivers/ide/ide-generic.c | 4 ++-- drivers/ide/ide-h8300.c | 4 ++-- drivers/ide/ide-legacy.c | 4 ++-- drivers/ide/ide-pnp.c | 4 ++-- drivers/ide/ide-probe.c | 9 +++++---- drivers/ide/ide_platform.c | 4 ++-- drivers/ide/macide.c | 4 ++-- drivers/ide/palm_bk3710.c | 4 ++-- drivers/ide/pmac.c | 4 ++-- drivers/ide/q40ide.c | 4 ++-- drivers/ide/rapide.c | 4 ++-- drivers/ide/scc_pata.c | 4 ++-- drivers/ide/setup-pci.c | 6 +++--- drivers/ide/sgiioc4.c | 4 ++-- drivers/ide/tx4938ide.c | 5 ++--- drivers/ide/tx4939ide.c | 5 ++--- include/linux/ide.h | 5 +++-- 28 files changed, 64 insertions(+), 64 deletions(-) (limited to 'include') diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c index 8d39cc9bdf92..11fe1ffdff76 100644 --- a/drivers/ide/at91_ide.c +++ b/drivers/ide/at91_ide.c @@ -247,8 +247,7 @@ irqreturn_t at91_irq_handler(int irq, void *dev_id) static int __init at91_ide_probe(struct platform_device *pdev) { int ret; - hw_regs_t hw; - hw_regs_t *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; struct ide_host *host; struct resource *res; unsigned long tf_base = 0, ctl_base = 0; @@ -307,7 +306,7 @@ static int __init at91_ide_probe(struct platform_device *pdev) hw.irq = board->irq_pin; hw.dev = &pdev->dev; - host = ide_host_alloc(&at91_ide_port_info, hws); + host = ide_host_alloc(&at91_ide_port_info, hws, 1); if (!host) { perr("failed to allocate ide host\n"); return -ENOMEM; diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c index 9b31f830e2f5..32f5be686018 100644 --- a/drivers/ide/au1xxx-ide.c +++ b/drivers/ide/au1xxx-ide.c @@ -508,7 +508,7 @@ static int au_ide_probe(struct platform_device *dev) struct resource *res; struct ide_host *host; int ret = 0; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) char *mode = "MWDMA2"; @@ -550,7 +550,7 @@ static int au_ide_probe(struct platform_device *dev) hw.irq = ahwif->irq; hw.dev = &dev->dev; - ret = ide_host_add(&au1xxx_port_info, hws, &host); + ret = ide_host_add(&au1xxx_port_info, hws, 1, &host); if (ret) goto out; diff --git a/drivers/ide/buddha.c b/drivers/ide/buddha.c index 9aa2cd9be310..0450652cdabb 100644 --- a/drivers/ide/buddha.c +++ b/drivers/ide/buddha.c @@ -160,7 +160,7 @@ static int __init buddha_init(void) while ((z = zorro_find_device(ZORRO_WILDCARD, z))) { unsigned long board; - hw_regs_t hw[MAX_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL }; + hw_regs_t hw[MAX_NUM_HWIFS], *hws[MAX_NUM_HWIFS]; if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA) { buddha_num_hwifs = BUDDHA_NUM_HWIFS; @@ -224,7 +224,7 @@ fail_base2: hws[i] = &hw[i]; } - ide_host_add(&buddha_port_info, hws, NULL); + ide_host_add(&buddha_port_info, hws, i, NULL); } return 0; diff --git a/drivers/ide/cmd640.c b/drivers/ide/cmd640.c index e862a2503ab0..edb3a7a35c80 100644 --- a/drivers/ide/cmd640.c +++ b/drivers/ide/cmd640.c @@ -708,7 +708,7 @@ static int __init cmd640x_init(void) int second_port_cmd640 = 0, rc; const char *bus_type, *port2; u8 b, cfr; - hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL }; + hw_regs_t hw[2], *hws[2]; if (cmd640_vlb && probe_for_cmd640_vlb()) { bus_type = "VLB"; @@ -822,7 +822,8 @@ static int __init cmd640x_init(void) cmd640_dump_regs(); #endif - return ide_host_add(&cmd640_port_info, hws, NULL); + return ide_host_add(&cmd640_port_info, hws, second_port_cmd640 ? 2 : 1, + NULL); } module_param_named(probe_vlb, cmd640_vlb, bool, 0); diff --git a/drivers/ide/cs5520.c b/drivers/ide/cs5520.c index 87987a7d36c9..a9023d7843f2 100644 --- a/drivers/ide/cs5520.c +++ b/drivers/ide/cs5520.c @@ -110,7 +110,7 @@ static const struct ide_port_info cyrix_chipset __devinitdata = { static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id) { const struct ide_port_info *d = &cyrix_chipset; - hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; + hw_regs_t hw[2], *hws[] = { NULL, NULL }; ide_setup_pci_noise(dev, d); @@ -136,7 +136,7 @@ static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_devic ide_pci_setup_ports(dev, d, &hw[0], &hws[0]); hw[0].irq = 14; - return ide_host_add(d, hws, NULL); + return ide_host_add(d, hws, 2, NULL); } static const struct pci_device_id cs5520_pci_tbl[] = { diff --git a/drivers/ide/delkin_cb.c b/drivers/ide/delkin_cb.c index a0de834a81c3..d4a76f22ed15 100644 --- a/drivers/ide/delkin_cb.c +++ b/drivers/ide/delkin_cb.c @@ -77,7 +77,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) struct ide_host *host; unsigned long base; int rc; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; rc = pci_enable_device(dev); if (rc) { @@ -99,7 +99,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) hw.irq = dev->irq; hw.dev = &dev->dev; - rc = ide_host_add(&delkin_cb_port_info, hws, &host); + rc = ide_host_add(&delkin_cb_port_info, hws, 1, &host); if (rc) goto out_disable; diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c index 770cfa67bdc8..adb5b0cf7626 100644 --- a/drivers/ide/falconide.c +++ b/drivers/ide/falconide.c @@ -138,7 +138,7 @@ static void __init falconide_setup_ports(hw_regs_t *hw) static int __init falconide_init(void) { struct ide_host *host; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; int rc; if (!MACH_IS_ATARI || !ATARIHW_PRESENT(IDE)) @@ -153,7 +153,7 @@ static int __init falconide_init(void) falconide_setup_ports(&hw); - host = ide_host_alloc(&falconide_port_info, hws); + host = ide_host_alloc(&falconide_port_info, hws, 1); if (host == NULL) { rc = -ENOMEM; goto err; diff --git a/drivers/ide/gayle.c b/drivers/ide/gayle.c index 71db2f9c3361..253ff34afd8f 100644 --- a/drivers/ide/gayle.c +++ b/drivers/ide/gayle.c @@ -125,7 +125,7 @@ static int __init gayle_init(void) unsigned long base, ctrlport, irqport; ide_ack_intr_t *ack_intr; int a4000, i, rc; - hw_regs_t hw[GAYLE_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL }; + hw_regs_t hw[GAYLE_NUM_HWIFS], *hws[GAYLE_NUM_HWIFS]; if (!MACH_IS_AMIGA) return -ENODEV; @@ -170,7 +170,7 @@ found: hws[i] = &hw[i]; } - rc = ide_host_add(&gayle_port_info, hws, NULL); + rc = ide_host_add(&gayle_port_info, hws, i, NULL); if (rc) release_mem_region(res_start, res_n); diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 6352a44ed179..6223b80beb35 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -410,7 +410,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) { void __iomem *base; struct ide_host *host; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; int ret; base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); @@ -431,7 +431,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) icside_setup_ports(&hw, base, &icside_cardinfo_v5, ec); - host = ide_host_alloc(&icside_v5_port_info, hws); + host = ide_host_alloc(&icside_v5_port_info, hws, 1); if (host == NULL) return -ENODEV; @@ -467,7 +467,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) struct ide_host *host; unsigned int sel = 0; int ret; - hw_regs_t hw[2], *hws[] = { &hw[0], &hw[1], NULL, NULL }; + hw_regs_t hw[2], *hws[] = { &hw[0], &hw[1] }; struct ide_port_info d = icside_v6_port_info; ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); @@ -507,7 +507,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) icside_setup_ports(&hw[0], easi_base, &icside_cardinfo_v6_1, ec); icside_setup_ports(&hw[1], easi_base, &icside_cardinfo_v6_2, ec); - host = ide_host_alloc(&d, hws); + host = ide_host_alloc(&d, hws, 2); if (host == NULL) return -ENODEV; diff --git a/drivers/ide/ide-4drives.c b/drivers/ide/ide-4drives.c index 617ca7a5ec8a..189b8bd9957e 100644 --- a/drivers/ide/ide-4drives.c +++ b/drivers/ide/ide-4drives.c @@ -31,7 +31,7 @@ static const struct ide_port_info ide_4drives_port_info = { static int __init ide_4drives_init(void) { unsigned long base = 0x1f0, ctl = 0x3f6; - hw_regs_t hw, *hws[] = { &hw, &hw, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw, &hw }; if (probe_4drives == 0) return -ENODEV; @@ -54,7 +54,7 @@ static int __init ide_4drives_init(void) ide_std_init_ports(&hw, base, ctl); hw.irq = 14; - return ide_host_add(&ide_4drives_port_info, hws, NULL); + return ide_host_add(&ide_4drives_port_info, hws, 2, NULL); } module_init(ide_4drives_init); diff --git a/drivers/ide/ide-cs.c b/drivers/ide/ide-cs.c index 43d09dcae28c..63309ad04cb2 100644 --- a/drivers/ide/ide-cs.c +++ b/drivers/ide/ide-cs.c @@ -164,7 +164,7 @@ static struct ide_host *idecs_register(unsigned long io, unsigned long ctl, struct ide_host *host; ide_hwif_t *hwif; int i, rc; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; if (!request_region(io, 8, DRV_NAME)) { printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", @@ -184,7 +184,7 @@ static struct ide_host *idecs_register(unsigned long io, unsigned long ctl, hw.irq = irq; hw.dev = &handle->dev; - rc = ide_host_add(&idecs_port_info, hws, &host); + rc = ide_host_add(&idecs_port_info, hws, 1, &host); if (rc) goto out_release; diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 0427759d0187..0d40848540d4 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -86,7 +86,7 @@ static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary) static int __init ide_generic_init(void) { - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; unsigned long io_addr; int i, rc = 0, primary = 0, secondary = 0; @@ -133,7 +133,7 @@ static int __init ide_generic_init(void) #else hw.irq = legacy_irqs[i]; #endif - rc = ide_host_add(&ide_generic_port_info, hws, NULL); + rc = ide_host_add(&ide_generic_port_info, hws, 1, NULL); if (rc) { release_region(io_addr + 0x206, 1); release_region(io_addr, 8); diff --git a/drivers/ide/ide-h8300.c b/drivers/ide/ide-h8300.c index 40eff6c9759c..0b5fabe2806d 100644 --- a/drivers/ide/ide-h8300.c +++ b/drivers/ide/ide-h8300.c @@ -83,7 +83,7 @@ static const struct ide_port_info h8300_port_info = { static int __init h8300_ide_init(void) { - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; printk(KERN_INFO DRV_NAME ": H8/300 generic IDE interface\n"); @@ -96,7 +96,7 @@ static int __init h8300_ide_init(void) hw_setup(&hw); - return ide_host_add(&h8300_port_info, hws, NULL); + return ide_host_add(&h8300_port_info, hws, 1, NULL); out_busy: printk(KERN_ERR "ide-h8300: IDE I/F resource already used.\n"); diff --git a/drivers/ide/ide-legacy.c b/drivers/ide/ide-legacy.c index 0c5b29c56cbe..98389e539909 100644 --- a/drivers/ide/ide-legacy.c +++ b/drivers/ide/ide-legacy.c @@ -40,7 +40,7 @@ static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw, int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config) { - hw_regs_t hw[2], *hws[] = { NULL, NULL, NULL, NULL }; + hw_regs_t hw[2], *hws[] = { NULL, NULL }; memset(&hw, 0, sizeof(hw)); @@ -52,6 +52,6 @@ int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config) (d->host_flags & IDE_HFLAG_SINGLE)) return -ENOENT; - return ide_host_add(d, hws, NULL); + return ide_host_add(d, hws, 2, NULL); } EXPORT_SYMBOL_GPL(ide_legacy_device_add); diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c index 47043fda2398..6bca0f05ee90 100644 --- a/drivers/ide/ide-pnp.c +++ b/drivers/ide/ide-pnp.c @@ -37,7 +37,7 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) struct ide_host *host; unsigned long base, ctl; int rc; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n"); @@ -64,7 +64,7 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) ide_std_init_ports(&hw, base, ctl); hw.irq = pnp_irq(dev, 0); - rc = ide_host_add(&ide_pnp_port_info, hws, &host); + rc = ide_host_add(&ide_pnp_port_info, hws, 1, &host); if (rc) goto out; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index f17ba1932ad6..6c7451a6e609 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1261,7 +1261,8 @@ out_nomem: return -ENOMEM; } -struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws) +struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws, + unsigned int n_ports) { struct ide_host *host; struct device *dev = hws[0] ? hws[0]->dev : NULL; @@ -1272,7 +1273,7 @@ struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws) if (host == NULL) return NULL; - for (i = 0; i < MAX_HOST_PORTS; i++) { + for (i = 0; i < n_ports; i++) { ide_hwif_t *hwif; int idx; @@ -1443,12 +1444,12 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, EXPORT_SYMBOL_GPL(ide_host_register); int ide_host_add(const struct ide_port_info *d, hw_regs_t **hws, - struct ide_host **hostp) + unsigned int n_ports, struct ide_host **hostp) { struct ide_host *host; int rc; - host = ide_host_alloc(d, hws); + host = ide_host_alloc(d, hws, n_ports); if (host == NULL) return -ENOMEM; diff --git a/drivers/ide/ide_platform.c b/drivers/ide/ide_platform.c index 813653362a26..47413c2b5f8e 100644 --- a/drivers/ide/ide_platform.c +++ b/drivers/ide/ide_platform.c @@ -54,7 +54,7 @@ static int __devinit plat_ide_probe(struct platform_device *pdev) struct pata_platform_info *pdata; struct ide_host *host; int ret = 0, mmio = 0; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; struct ide_port_info d = platform_ide_port_info; pdata = pdev->dev.platform_data; @@ -98,7 +98,7 @@ static int __devinit plat_ide_probe(struct platform_device *pdev) if (mmio) d.host_flags |= IDE_HFLAG_MMIO; - ret = ide_host_add(&d, hws, &host); + ret = ide_host_add(&d, hws, 1, &host); if (ret) goto out; diff --git a/drivers/ide/macide.c b/drivers/ide/macide.c index 3af9e96da617..31aa27818604 100644 --- a/drivers/ide/macide.c +++ b/drivers/ide/macide.c @@ -96,7 +96,7 @@ static int __init macide_init(void) ide_ack_intr_t *ack_intr; unsigned long base; int irq; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; if (!MACH_IS_MAC) return -ENODEV; @@ -126,7 +126,7 @@ static int __init macide_init(void) macide_setup_ports(&hw, base, irq, ack_intr); - return ide_host_add(&macide_port_info, hws, NULL); + return ide_host_add(&macide_port_info, hws, 1, NULL); } module_init(macide_init); diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c index a455c25f43cc..4507a6d801bc 100644 --- a/drivers/ide/palm_bk3710.c +++ b/drivers/ide/palm_bk3710.c @@ -316,7 +316,7 @@ static int __init palm_bk3710_probe(struct platform_device *pdev) void __iomem *base; unsigned long rate, mem_size; int i, rc; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; clk = clk_get(&pdev->dev, "IDECLK"); if (IS_ERR(clk)) @@ -369,7 +369,7 @@ static int __init palm_bk3710_probe(struct platform_device *pdev) ATA_UDMA5; /* Register the IDE interface with Linux */ - rc = ide_host_add(&palm_bk3710_port_info, hws, NULL); + rc = ide_host_add(&palm_bk3710_port_info, hws, 1, NULL); if (rc) goto out; diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c index f76e4e6b408f..f4f806476e0a 100644 --- a/drivers/ide/pmac.c +++ b/drivers/ide/pmac.c @@ -1029,7 +1029,7 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw) const int *bidp; struct ide_host *host; ide_hwif_t *hwif; - hw_regs_t *hws[] = { hw, NULL, NULL, NULL }; + hw_regs_t *hws[] = { hw }; struct ide_port_info d = pmac_port_info; int rc; @@ -1077,7 +1077,7 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw) /* Make sure we have sane timings */ sanitize_timings(pmif); - host = ide_host_alloc(&d, hws); + host = ide_host_alloc(&d, hws, 1); if (host == NULL) return -ENOMEM; hwif = host->ports[0]; diff --git a/drivers/ide/q40ide.c b/drivers/ide/q40ide.c index 7488d4ff3d7c..e46229fe5ea3 100644 --- a/drivers/ide/q40ide.c +++ b/drivers/ide/q40ide.c @@ -135,7 +135,7 @@ static const char *q40_ide_names[Q40IDE_NUM_HWIFS]={ static int __init q40ide_init(void) { int i; - hw_regs_t hw[Q40IDE_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL }; + hw_regs_t hw[Q40IDE_NUM_HWIFS], *hws[] = { NULL, NULL }; if (!MACH_IS_Q40) return -ENODEV; @@ -162,7 +162,7 @@ static int __init q40ide_init(void) hws[i] = &hw[i]; } - return ide_host_add(&q40ide_port_info, hws, NULL); + return ide_host_add(&q40ide_port_info, hws, Q40IDE_NUM_HWIFS, NULL); } module_init(q40ide_init); diff --git a/drivers/ide/rapide.c b/drivers/ide/rapide.c index bd4d7a8a666c..c4da3dd39f5c 100644 --- a/drivers/ide/rapide.c +++ b/drivers/ide/rapide.c @@ -36,7 +36,7 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id) void __iomem *base; struct ide_host *host; int ret; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; ret = ecard_request_resources(ec); if (ret) @@ -52,7 +52,7 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id) rapide_setup_ports(&hw, base, base + 0x818, 1 << 6, ec->irq); hw.dev = &ec->dev; - ret = ide_host_add(&rapide_port_info, hws, &host); + ret = ide_host_add(&rapide_port_info, hws, 1, &host); if (ret) goto release; diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c index 9e3aef317332..9415f8c8a41d 100644 --- a/drivers/ide/scc_pata.c +++ b/drivers/ide/scc_pata.c @@ -559,7 +559,7 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev, { struct scc_ports *ports = pci_get_drvdata(dev); struct ide_host *host; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; int i, rc; memset(&hw, 0, sizeof(hw)); @@ -568,7 +568,7 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev, hw.irq = dev->irq; hw.dev = &dev->dev; - rc = ide_host_add(d, hws, &host); + rc = ide_host_add(d, hws, 1, &host); if (rc) return rc; diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index 82519ddc9108..d78f4c994517 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -538,7 +538,7 @@ int ide_pci_init_one(struct pci_dev *dev, const struct ide_port_info *d, void *priv) { struct ide_host *host; - hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; + hw_regs_t hw[2], *hws[] = { NULL, NULL }; int ret; ret = ide_setup_pci_controller(dev, d, 1); @@ -547,7 +547,7 @@ int ide_pci_init_one(struct pci_dev *dev, const struct ide_port_info *d, ide_pci_setup_ports(dev, d, &hw[0], &hws[0]); - host = ide_host_alloc(d, hws); + host = ide_host_alloc(d, hws, 2); if (host == NULL) { ret = -ENOMEM; goto out; @@ -596,7 +596,7 @@ int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2, ide_pci_setup_ports(pdev[i], d, &hw[i*2], &hws[i*2]); } - host = ide_host_alloc(d, hws); + host = ide_host_alloc(d, hws, 4); if (host == NULL) { ret = -ENOMEM; goto out; diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c index 676d41c7add5..3f8ee357ffb3 100644 --- a/drivers/ide/sgiioc4.c +++ b/drivers/ide/sgiioc4.c @@ -546,7 +546,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) unsigned long cmd_base, irqport; unsigned long bar0, cmd_phys_base, ctl; void __iomem *virt_base; - hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; int rc; /* Get the CmdBlk and CtrlBlk Base Registers */ @@ -580,7 +580,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) /* Initializing chipset IRQ Registers */ writel(0x03, (void __iomem *)(irqport + IOC4_INTR_SET * 4)); - rc = ide_host_add(&sgiioc4_port_info, hws, NULL); + rc = ide_host_add(&sgiioc4_port_info, hws, 1, NULL); if (!rc) return 0; diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c index e33d764e2945..16adc18499fa 100644 --- a/drivers/ide/tx4938ide.c +++ b/drivers/ide/tx4938ide.c @@ -130,8 +130,7 @@ static const struct ide_port_info tx4938ide_port_info __initdata = { static int __init tx4938ide_probe(struct platform_device *pdev) { - hw_regs_t hw; - hw_regs_t *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; struct ide_host *host; struct resource *res; struct tx4938ide_platform_info *pdata = pdev->dev.platform_data; @@ -183,7 +182,7 @@ static int __init tx4938ide_probe(struct platform_device *pdev) tx4938ide_tune_ebusc(pdata->ebus_ch, pdata->gbus_clock, 0); else d.port_ops = NULL; - ret = ide_host_add(&d, hws, &host); + ret = ide_host_add(&d, hws, 1, &host); if (!ret) platform_set_drvdata(pdev, host); return ret; diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c index 564422d23976..fa57920d003a 100644 --- a/drivers/ide/tx4939ide.c +++ b/drivers/ide/tx4939ide.c @@ -537,8 +537,7 @@ static const struct ide_port_info tx4939ide_port_info __initdata = { static int __init tx4939ide_probe(struct platform_device *pdev) { - hw_regs_t hw; - hw_regs_t *hws[] = { &hw, NULL, NULL, NULL }; + hw_regs_t hw, *hws[] = { &hw }; struct ide_host *host; struct resource *res; int irq, ret; @@ -581,7 +580,7 @@ static int __init tx4939ide_probe(struct platform_device *pdev) hw.dev = &pdev->dev; pr_info("TX4939 IDE interface (base %#lx, irq %d)\n", mapbase, irq); - host = ide_host_alloc(&tx4939ide_port_info, hws); + host = ide_host_alloc(&tx4939ide_port_info, hws, 1); if (!host) return -ENOMEM; /* use extra_base for base address of the all registers */ diff --git a/include/linux/ide.h b/include/linux/ide.h index 9652edbd26af..a3cd568553d3 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1456,11 +1456,12 @@ void ide_undecoded_slave(ide_drive_t *); void ide_port_apply_params(ide_hwif_t *); int ide_sysfs_register_port(ide_hwif_t *); -struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **); +struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **, + unsigned int); void ide_host_free(struct ide_host *); int ide_host_register(struct ide_host *, const struct ide_port_info *, hw_regs_t **); -int ide_host_add(const struct ide_port_info *, hw_regs_t **, +int ide_host_add(const struct ide_port_info *, hw_regs_t **, unsigned int, struct ide_host **); void ide_host_remove(struct ide_host *); int ide_legacy_device_add(const struct ide_port_info *, unsigned long); -- cgit v1.2.3 From 9f36d31437922354d104a2db407f397e79e4027e Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 17 May 2009 19:12:25 +0200 Subject: ide: remove hw_regs_t typedef Remove hw_regs_t typedef and rename struct hw_regs_s to struct ide_hw. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/at91_ide.c | 2 +- drivers/ide/au1xxx-ide.c | 4 ++-- drivers/ide/buddha.c | 4 ++-- drivers/ide/cmd640.c | 2 +- drivers/ide/cs5520.c | 2 +- drivers/ide/delkin_cb.c | 2 +- drivers/ide/falconide.c | 4 ++-- drivers/ide/gayle.c | 4 ++-- drivers/ide/icside.c | 6 +++--- drivers/ide/ide-4drives.c | 2 +- drivers/ide/ide-cs.c | 2 +- drivers/ide/ide-generic.c | 2 +- drivers/ide/ide-h8300.c | 6 +++--- drivers/ide/ide-legacy.c | 4 ++-- drivers/ide/ide-pnp.c | 2 +- drivers/ide/ide-probe.c | 10 +++++----- drivers/ide/ide_platform.c | 4 ++-- drivers/ide/macide.c | 4 ++-- drivers/ide/palm_bk3710.c | 2 +- drivers/ide/pmac.c | 11 ++++++----- drivers/ide/q40ide.c | 6 +++--- drivers/ide/rapide.c | 4 ++-- drivers/ide/scc_pata.c | 2 +- drivers/ide/setup-pci.c | 16 ++++++++-------- drivers/ide/sgiioc4.c | 4 ++-- drivers/ide/tx4938ide.c | 2 +- drivers/ide/tx4939ide.c | 2 +- include/linux/ide.h | 14 +++++++------- 28 files changed, 65 insertions(+), 64 deletions(-) (limited to 'include') diff --git a/drivers/ide/at91_ide.c b/drivers/ide/at91_ide.c index 11fe1ffdff76..fc0949a8cfde 100644 --- a/drivers/ide/at91_ide.c +++ b/drivers/ide/at91_ide.c @@ -247,7 +247,7 @@ irqreturn_t at91_irq_handler(int irq, void *dev_id) static int __init at91_ide_probe(struct platform_device *pdev) { int ret; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; struct ide_host *host; struct resource *res; unsigned long tf_base = 0, ctl_base = 0; diff --git a/drivers/ide/au1xxx-ide.c b/drivers/ide/au1xxx-ide.c index 32f5be686018..58121bd6c115 100644 --- a/drivers/ide/au1xxx-ide.c +++ b/drivers/ide/au1xxx-ide.c @@ -449,7 +449,7 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d) } #endif -static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif) +static void auide_setup_ports(struct ide_hw *hw, _auide_hwif *ahwif) { int i; unsigned long *ata_regs = hw->io_ports_array; @@ -508,7 +508,7 @@ static int au_ide_probe(struct platform_device *dev) struct resource *res; struct ide_host *host; int ret = 0; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA) char *mode = "MWDMA2"; diff --git a/drivers/ide/buddha.c b/drivers/ide/buddha.c index 0450652cdabb..e3c6a5913305 100644 --- a/drivers/ide/buddha.c +++ b/drivers/ide/buddha.c @@ -121,7 +121,7 @@ static int xsurf_ack_intr(ide_hwif_t *hwif) return 1; } -static void __init buddha_setup_ports(hw_regs_t *hw, unsigned long base, +static void __init buddha_setup_ports(struct ide_hw *hw, unsigned long base, unsigned long ctl, unsigned long irq_port, ide_ack_intr_t *ack_intr) { @@ -160,7 +160,7 @@ static int __init buddha_init(void) while ((z = zorro_find_device(ZORRO_WILDCARD, z))) { unsigned long board; - hw_regs_t hw[MAX_NUM_HWIFS], *hws[MAX_NUM_HWIFS]; + struct ide_hw hw[MAX_NUM_HWIFS], *hws[MAX_NUM_HWIFS]; if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA) { buddha_num_hwifs = BUDDHA_NUM_HWIFS; diff --git a/drivers/ide/cmd640.c b/drivers/ide/cmd640.c index edb3a7a35c80..1683ed5c7329 100644 --- a/drivers/ide/cmd640.c +++ b/drivers/ide/cmd640.c @@ -708,7 +708,7 @@ static int __init cmd640x_init(void) int second_port_cmd640 = 0, rc; const char *bus_type, *port2; u8 b, cfr; - hw_regs_t hw[2], *hws[2]; + struct ide_hw hw[2], *hws[2]; if (cmd640_vlb && probe_for_cmd640_vlb()) { bus_type = "VLB"; diff --git a/drivers/ide/cs5520.c b/drivers/ide/cs5520.c index a9023d7843f2..bd066bb9d611 100644 --- a/drivers/ide/cs5520.c +++ b/drivers/ide/cs5520.c @@ -110,7 +110,7 @@ static const struct ide_port_info cyrix_chipset __devinitdata = { static int __devinit cs5520_init_one(struct pci_dev *dev, const struct pci_device_id *id) { const struct ide_port_info *d = &cyrix_chipset; - hw_regs_t hw[2], *hws[] = { NULL, NULL }; + struct ide_hw hw[2], *hws[] = { NULL, NULL }; ide_setup_pci_noise(dev, d); diff --git a/drivers/ide/delkin_cb.c b/drivers/ide/delkin_cb.c index d4a76f22ed15..1e10eba62ceb 100644 --- a/drivers/ide/delkin_cb.c +++ b/drivers/ide/delkin_cb.c @@ -77,7 +77,7 @@ delkin_cb_probe (struct pci_dev *dev, const struct pci_device_id *id) struct ide_host *host; unsigned long base; int rc; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; rc = pci_enable_device(dev); if (rc) { diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c index adb5b0cf7626..22fa27389c3b 100644 --- a/drivers/ide/falconide.c +++ b/drivers/ide/falconide.c @@ -114,7 +114,7 @@ static const struct ide_port_info falconide_port_info = { .chipset = ide_generic, }; -static void __init falconide_setup_ports(hw_regs_t *hw) +static void __init falconide_setup_ports(struct ide_hw *hw) { int i; @@ -138,7 +138,7 @@ static void __init falconide_setup_ports(hw_regs_t *hw) static int __init falconide_init(void) { struct ide_host *host; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; int rc; if (!MACH_IS_ATARI || !ATARIHW_PRESENT(IDE)) diff --git a/drivers/ide/gayle.c b/drivers/ide/gayle.c index 253ff34afd8f..4451a6a5dfe0 100644 --- a/drivers/ide/gayle.c +++ b/drivers/ide/gayle.c @@ -88,7 +88,7 @@ static int gayle_ack_intr_a1200(ide_hwif_t *hwif) return 1; } -static void __init gayle_setup_ports(hw_regs_t *hw, unsigned long base, +static void __init gayle_setup_ports(struct ide_hw *hw, unsigned long base, unsigned long ctl, unsigned long irq_port, ide_ack_intr_t *ack_intr) { @@ -125,7 +125,7 @@ static int __init gayle_init(void) unsigned long base, ctrlport, irqport; ide_ack_intr_t *ack_intr; int a4000, i, rc; - hw_regs_t hw[GAYLE_NUM_HWIFS], *hws[GAYLE_NUM_HWIFS]; + struct ide_hw hw[GAYLE_NUM_HWIFS], *hws[GAYLE_NUM_HWIFS]; if (!MACH_IS_AMIGA) return -ENODEV; diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 6223b80beb35..c5269fa1f733 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -381,7 +381,7 @@ static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d) return -EOPNOTSUPP; } -static void icside_setup_ports(hw_regs_t *hw, void __iomem *base, +static void icside_setup_ports(struct ide_hw *hw, void __iomem *base, struct cardinfo *info, struct expansion_card *ec) { unsigned long port = (unsigned long)base + info->dataoffset; @@ -410,7 +410,7 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec) { void __iomem *base; struct ide_host *host; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; int ret; base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); @@ -467,7 +467,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) struct ide_host *host; unsigned int sel = 0; int ret; - hw_regs_t hw[2], *hws[] = { &hw[0], &hw[1] }; + struct ide_hw hw[2], *hws[] = { &hw[0], &hw[1] }; struct ide_port_info d = icside_v6_port_info; ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); diff --git a/drivers/ide/ide-4drives.c b/drivers/ide/ide-4drives.c index 189b8bd9957e..979d342c338a 100644 --- a/drivers/ide/ide-4drives.c +++ b/drivers/ide/ide-4drives.c @@ -31,7 +31,7 @@ static const struct ide_port_info ide_4drives_port_info = { static int __init ide_4drives_init(void) { unsigned long base = 0x1f0, ctl = 0x3f6; - hw_regs_t hw, *hws[] = { &hw, &hw }; + struct ide_hw hw, *hws[] = { &hw, &hw }; if (probe_4drives == 0) return -ENODEV; diff --git a/drivers/ide/ide-cs.c b/drivers/ide/ide-cs.c index 63309ad04cb2..527908ff298c 100644 --- a/drivers/ide/ide-cs.c +++ b/drivers/ide/ide-cs.c @@ -164,7 +164,7 @@ static struct ide_host *idecs_register(unsigned long io, unsigned long ctl, struct ide_host *host; ide_hwif_t *hwif; int i, rc; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; if (!request_region(io, 8, DRV_NAME)) { printk(KERN_ERR "%s: I/O resource 0x%lX-0x%lX not free.\n", diff --git a/drivers/ide/ide-generic.c b/drivers/ide/ide-generic.c index 0d40848540d4..54d7c4685d23 100644 --- a/drivers/ide/ide-generic.c +++ b/drivers/ide/ide-generic.c @@ -86,7 +86,7 @@ static void ide_generic_check_pci_legacy_iobases(int *primary, int *secondary) static int __init ide_generic_init(void) { - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; unsigned long io_addr; int i, rc = 0, primary = 0, secondary = 0; diff --git a/drivers/ide/ide-h8300.c b/drivers/ide/ide-h8300.c index 0b5fabe2806d..520f42c5445a 100644 --- a/drivers/ide/ide-h8300.c +++ b/drivers/ide/ide-h8300.c @@ -64,11 +64,11 @@ static const struct ide_tp_ops h8300_tp_ops = { #define H8300_IDE_GAP (2) -static inline void hw_setup(hw_regs_t *hw) +static inline void hw_setup(struct ide_hw *hw) { int i; - memset(hw, 0, sizeof(hw_regs_t)); + memset(hw, 0, sizeof(*hw)); for (i = 0; i <= 7; i++) hw->io_ports_array[i] = CONFIG_H8300_IDE_BASE + H8300_IDE_GAP*i; hw->io_ports.ctl_addr = CONFIG_H8300_IDE_ALT; @@ -83,7 +83,7 @@ static const struct ide_port_info h8300_port_info = { static int __init h8300_ide_init(void) { - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; printk(KERN_INFO DRV_NAME ": H8/300 generic IDE interface\n"); diff --git a/drivers/ide/ide-legacy.c b/drivers/ide/ide-legacy.c index 98389e539909..b9654a7bb7be 100644 --- a/drivers/ide/ide-legacy.c +++ b/drivers/ide/ide-legacy.c @@ -1,7 +1,7 @@ #include #include -static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw, +static void ide_legacy_init_one(struct ide_hw **hws, struct ide_hw *hw, u8 port_no, const struct ide_port_info *d, unsigned long config) { @@ -40,7 +40,7 @@ static void ide_legacy_init_one(hw_regs_t **hws, hw_regs_t *hw, int ide_legacy_device_add(const struct ide_port_info *d, unsigned long config) { - hw_regs_t hw[2], *hws[] = { NULL, NULL }; + struct ide_hw hw[2], *hws[] = { NULL, NULL }; memset(&hw, 0, sizeof(hw)); diff --git a/drivers/ide/ide-pnp.c b/drivers/ide/ide-pnp.c index 6bca0f05ee90..017b1df3b805 100644 --- a/drivers/ide/ide-pnp.c +++ b/drivers/ide/ide-pnp.c @@ -37,7 +37,7 @@ static int idepnp_probe(struct pnp_dev *dev, const struct pnp_device_id *dev_id) struct ide_host *host; unsigned long base, ctl; int rc; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; printk(KERN_INFO DRV_NAME ": generic PnP IDE interface\n"); diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 6c7451a6e609..29363829a3fe 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -1173,7 +1173,7 @@ static void ide_init_port_data(ide_hwif_t *hwif, unsigned int index) ide_port_init_devices_data(hwif); } -static void ide_init_port_hw(ide_hwif_t *hwif, hw_regs_t *hw) +static void ide_init_port_hw(ide_hwif_t *hwif, struct ide_hw *hw) { memcpy(&hwif->io_ports, &hw->io_ports, sizeof(hwif->io_ports)); hwif->irq = hw->irq; @@ -1261,8 +1261,8 @@ out_nomem: return -ENOMEM; } -struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws, - unsigned int n_ports) +struct ide_host *ide_host_alloc(const struct ide_port_info *d, + struct ide_hw **hws, unsigned int n_ports) { struct ide_host *host; struct device *dev = hws[0] ? hws[0]->dev : NULL; @@ -1349,7 +1349,7 @@ static void ide_disable_port(ide_hwif_t *hwif) } int ide_host_register(struct ide_host *host, const struct ide_port_info *d, - hw_regs_t **hws) + struct ide_hw **hws) { ide_hwif_t *hwif, *mate = NULL; int i, j = 0; @@ -1443,7 +1443,7 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, } EXPORT_SYMBOL_GPL(ide_host_register); -int ide_host_add(const struct ide_port_info *d, hw_regs_t **hws, +int ide_host_add(const struct ide_port_info *d, struct ide_hw **hws, unsigned int n_ports, struct ide_host **hostp) { struct ide_host *host; diff --git a/drivers/ide/ide_platform.c b/drivers/ide/ide_platform.c index 47413c2b5f8e..ee9b55ecc62b 100644 --- a/drivers/ide/ide_platform.c +++ b/drivers/ide/ide_platform.c @@ -21,7 +21,7 @@ #include #include -static void __devinit plat_ide_setup_ports(hw_regs_t *hw, +static void __devinit plat_ide_setup_ports(struct ide_hw *hw, void __iomem *base, void __iomem *ctrl, struct pata_platform_info *pdata, @@ -54,7 +54,7 @@ static int __devinit plat_ide_probe(struct platform_device *pdev) struct pata_platform_info *pdata; struct ide_host *host; int ret = 0, mmio = 0; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; struct ide_port_info d = platform_ide_port_info; pdata = pdev->dev.platform_data; diff --git a/drivers/ide/macide.c b/drivers/ide/macide.c index 31aa27818604..1447c8c90565 100644 --- a/drivers/ide/macide.c +++ b/drivers/ide/macide.c @@ -62,7 +62,7 @@ int macide_ack_intr(ide_hwif_t* hwif) return 0; } -static void __init macide_setup_ports(hw_regs_t *hw, unsigned long base, +static void __init macide_setup_ports(struct ide_hw *hw, unsigned long base, int irq, ide_ack_intr_t *ack_intr) { int i; @@ -96,7 +96,7 @@ static int __init macide_init(void) ide_ack_intr_t *ack_intr; unsigned long base; int irq; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; if (!MACH_IS_MAC) return -ENODEV; diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c index 4507a6d801bc..3c1dc0152153 100644 --- a/drivers/ide/palm_bk3710.c +++ b/drivers/ide/palm_bk3710.c @@ -316,7 +316,7 @@ static int __init palm_bk3710_probe(struct platform_device *pdev) void __iomem *base; unsigned long rate, mem_size; int i, rc; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; clk = clk_get(&pdev->dev, "IDECLK"); if (IS_ERR(clk)) diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c index f4f806476e0a..97642a7a79c4 100644 --- a/drivers/ide/pmac.c +++ b/drivers/ide/pmac.c @@ -1023,13 +1023,14 @@ static const struct ide_port_info pmac_port_info = { * Setup, register & probe an IDE channel driven by this driver, this is * called by one of the 2 probe functions (macio or PCI). */ -static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw) +static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, + struct ide_hw *hw) { struct device_node *np = pmif->node; const int *bidp; struct ide_host *host; ide_hwif_t *hwif; - hw_regs_t *hws[] = { hw }; + struct ide_hw *hws[] = { hw }; struct ide_port_info d = pmac_port_info; int rc; @@ -1124,7 +1125,7 @@ static int __devinit pmac_ide_setup_device(pmac_ide_hwif_t *pmif, hw_regs_t *hw) return 0; } -static void __devinit pmac_ide_init_ports(hw_regs_t *hw, unsigned long base) +static void __devinit pmac_ide_init_ports(struct ide_hw *hw, unsigned long base) { int i; @@ -1144,7 +1145,7 @@ pmac_ide_macio_attach(struct macio_dev *mdev, const struct of_device_id *match) unsigned long regbase; pmac_ide_hwif_t *pmif; int irq, rc; - hw_regs_t hw; + struct ide_hw hw; pmif = kzalloc(sizeof(*pmif), GFP_KERNEL); if (pmif == NULL) @@ -1268,7 +1269,7 @@ pmac_ide_pci_attach(struct pci_dev *pdev, const struct pci_device_id *id) void __iomem *base; unsigned long rbase, rlen; int rc; - hw_regs_t hw; + struct ide_hw hw; np = pci_device_to_OF_node(pdev); if (np == NULL) { diff --git a/drivers/ide/q40ide.c b/drivers/ide/q40ide.c index e46229fe5ea3..ab49a97023d9 100644 --- a/drivers/ide/q40ide.c +++ b/drivers/ide/q40ide.c @@ -51,11 +51,11 @@ static int q40ide_default_irq(unsigned long base) /* * Addresses are pretranslated for Q40 ISA access. */ -static void q40_ide_setup_ports(hw_regs_t *hw, unsigned long base, +static void q40_ide_setup_ports(struct ide_hw *hw, unsigned long base, ide_ack_intr_t *ack_intr, int irq) { - memset(hw, 0, sizeof(hw_regs_t)); + memset(hw, 0, sizeof(*hw)); /* BIG FAT WARNING: assumption: only DATA port is ever used in 16 bit mode */ hw->io_ports.data_addr = Q40_ISA_IO_W(base); @@ -135,7 +135,7 @@ static const char *q40_ide_names[Q40IDE_NUM_HWIFS]={ static int __init q40ide_init(void) { int i; - hw_regs_t hw[Q40IDE_NUM_HWIFS], *hws[] = { NULL, NULL }; + struct ide_hw hw[Q40IDE_NUM_HWIFS], *hws[] = { NULL, NULL }; if (!MACH_IS_Q40) return -ENODEV; diff --git a/drivers/ide/rapide.c b/drivers/ide/rapide.c index c4da3dd39f5c..00f54248f41f 100644 --- a/drivers/ide/rapide.c +++ b/drivers/ide/rapide.c @@ -16,7 +16,7 @@ static const struct ide_port_info rapide_port_info = { .chipset = ide_generic, }; -static void rapide_setup_ports(hw_regs_t *hw, void __iomem *base, +static void rapide_setup_ports(struct ide_hw *hw, void __iomem *base, void __iomem *ctrl, unsigned int sz, int irq) { unsigned long port = (unsigned long)base; @@ -36,7 +36,7 @@ rapide_probe(struct expansion_card *ec, const struct ecard_id *id) void __iomem *base; struct ide_host *host; int ret; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; ret = ecard_request_resources(ec); if (ret) diff --git a/drivers/ide/scc_pata.c b/drivers/ide/scc_pata.c index 9415f8c8a41d..1104bb301eb9 100644 --- a/drivers/ide/scc_pata.c +++ b/drivers/ide/scc_pata.c @@ -559,7 +559,7 @@ static int scc_ide_setup_pci_device(struct pci_dev *dev, { struct scc_ports *ports = pci_get_drvdata(dev); struct ide_host *host; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; int i, rc; memset(&hw, 0, sizeof(hw)); diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c index d78f4c994517..5314edffc303 100644 --- a/drivers/ide/setup-pci.c +++ b/drivers/ide/setup-pci.c @@ -301,11 +301,11 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info * } /** - * ide_hw_configure - configure a hw_regs_t instance + * ide_hw_configure - configure a struct ide_hw instance * @dev: PCI device holding interface * @d: IDE port info * @port: port number - * @hw: hw_regs_t instance corresponding to this port + * @hw: struct ide_hw instance corresponding to this port * * Perform the initial set up for the hardware interface structure. This * is done per interface port rather than per PCI device. There may be @@ -315,7 +315,7 @@ static int ide_pci_check_iomem(struct pci_dev *dev, const struct ide_port_info * */ static int ide_hw_configure(struct pci_dev *dev, const struct ide_port_info *d, - unsigned int port, hw_regs_t *hw) + unsigned int port, struct ide_hw *hw) { unsigned long ctl = 0, base = 0; @@ -445,8 +445,8 @@ out: * ide_pci_setup_ports - configure ports/devices on PCI IDE * @dev: PCI device * @d: IDE port info - * @hw: hw_regs_t instances corresponding to this PCI IDE device - * @hws: hw_regs_t pointers table to update + * @hw: struct ide_hw instances corresponding to this PCI IDE device + * @hws: struct ide_hw pointers table to update * * Scan the interfaces attached to this device and do any * necessary per port setup. Attach the devices and ask the @@ -458,7 +458,7 @@ out: */ void ide_pci_setup_ports(struct pci_dev *dev, const struct ide_port_info *d, - hw_regs_t *hw, hw_regs_t **hws) + struct ide_hw *hw, struct ide_hw **hws) { int channels = (d->host_flags & IDE_HFLAG_SINGLE) ? 1 : 2, port; u8 tmp; @@ -538,7 +538,7 @@ int ide_pci_init_one(struct pci_dev *dev, const struct ide_port_info *d, void *priv) { struct ide_host *host; - hw_regs_t hw[2], *hws[] = { NULL, NULL }; + struct ide_hw hw[2], *hws[] = { NULL, NULL }; int ret; ret = ide_setup_pci_controller(dev, d, 1); @@ -586,7 +586,7 @@ int ide_pci_init_two(struct pci_dev *dev1, struct pci_dev *dev2, struct pci_dev *pdev[] = { dev1, dev2 }; struct ide_host *host; int ret, i; - hw_regs_t hw[4], *hws[] = { NULL, NULL, NULL, NULL }; + struct ide_hw hw[4], *hws[] = { NULL, NULL, NULL, NULL }; for (i = 0; i < 2; i++) { ret = ide_setup_pci_controller(pdev[i], d, !i); diff --git a/drivers/ide/sgiioc4.c b/drivers/ide/sgiioc4.c index 3f8ee357ffb3..5f37f168f944 100644 --- a/drivers/ide/sgiioc4.c +++ b/drivers/ide/sgiioc4.c @@ -91,7 +91,7 @@ typedef struct { static void -sgiioc4_init_hwif_ports(hw_regs_t * hw, unsigned long data_port, +sgiioc4_init_hwif_ports(struct ide_hw *hw, unsigned long data_port, unsigned long ctrl_port, unsigned long irq_port) { unsigned long reg = data_port; @@ -546,7 +546,7 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev) unsigned long cmd_base, irqport; unsigned long bar0, cmd_phys_base, ctl; void __iomem *virt_base; - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; int rc; /* Get the CmdBlk and CtrlBlk Base Registers */ diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c index 16adc18499fa..ea89fddeed91 100644 --- a/drivers/ide/tx4938ide.c +++ b/drivers/ide/tx4938ide.c @@ -130,7 +130,7 @@ static const struct ide_port_info tx4938ide_port_info __initdata = { static int __init tx4938ide_probe(struct platform_device *pdev) { - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; struct ide_host *host; struct resource *res; struct tx4938ide_platform_info *pdata = pdev->dev.platform_data; diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c index fa57920d003a..9f73fd43d1f4 100644 --- a/drivers/ide/tx4939ide.c +++ b/drivers/ide/tx4939ide.c @@ -537,7 +537,7 @@ static const struct ide_port_info tx4939ide_port_info __initdata = { static int __init tx4939ide_probe(struct platform_device *pdev) { - hw_regs_t hw, *hws[] = { &hw }; + struct ide_hw hw, *hws[] = { &hw }; struct ide_host *host; struct resource *res; int irq, ret; diff --git a/include/linux/ide.h b/include/linux/ide.h index a3cd568553d3..b1b903a0dac8 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -178,7 +178,7 @@ typedef u8 hwif_chipset_t; /* * Structure to hold all information about the location of this port */ -typedef struct hw_regs_s { +struct ide_hw { union { struct ide_io_ports io_ports; unsigned long io_ports_array[IDE_NR_PORTS]; @@ -188,9 +188,9 @@ typedef struct hw_regs_s { ide_ack_intr_t *ack_intr; /* acknowledge interrupt */ struct device *dev, *parent; unsigned long config; -} hw_regs_t; +}; -static inline void ide_std_init_ports(hw_regs_t *hw, +static inline void ide_std_init_ports(struct ide_hw *hw, unsigned long io_addr, unsigned long ctl_addr) { @@ -1212,7 +1212,7 @@ static inline int ide_pci_is_in_compatibility_mode(struct pci_dev *dev) } void ide_pci_setup_ports(struct pci_dev *, const struct ide_port_info *, - hw_regs_t *, hw_regs_t **); + struct ide_hw *, struct ide_hw **); void ide_setup_pci_noise(struct pci_dev *, const struct ide_port_info *); #ifdef CONFIG_BLK_DEV_IDEDMA_PCI @@ -1456,12 +1456,12 @@ void ide_undecoded_slave(ide_drive_t *); void ide_port_apply_params(ide_hwif_t *); int ide_sysfs_register_port(ide_hwif_t *); -struct ide_host *ide_host_alloc(const struct ide_port_info *, hw_regs_t **, +struct ide_host *ide_host_alloc(const struct ide_port_info *, struct ide_hw **, unsigned int); void ide_host_free(struct ide_host *); int ide_host_register(struct ide_host *, const struct ide_port_info *, - hw_regs_t **); -int ide_host_add(const struct ide_port_info *, hw_regs_t **, unsigned int, + struct ide_hw **); +int ide_host_add(const struct ide_port_info *, struct ide_hw **, unsigned int, struct ide_host **); void ide_host_remove(struct ide_host *); int ide_legacy_device_add(const struct ide_port_info *, unsigned long); -- cgit v1.2.3 From 6d3ddc81f5762d54ce7d1db70eb757c6c12fabbc Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sat, 16 May 2009 17:47:29 +0100 Subject: ASoC: Split DAPM power checks from sequencing of power changes DAPM has always applied any changes to the power state of widgets as soon as it has determined that they are required. Instead of doing this store all the changes that are required on lists of widgets to power up and down, then iterate over those lists and apply the changes. This changes the sequence in which changes are implemented, doing all power downs before power ups and always using the up/down sequences (previously they were only used when changes were due to DAC/ADC power events). The error handling is also changed so that we continue attempting to power widgets if some changes fail. The main benefit of this is to allow future changes to do optimisations over the whole power sequence and to reduce the number of walks of the widget graph required to check the power status of widgets. Signed-off-by: Mark Brown --- include/sound/soc-dapm.h | 3 ++ include/sound/soc.h | 2 ++ sound/soc/soc-dapm.c | 81 +++++++++++++++++++++++++++++++++--------------- 3 files changed, 61 insertions(+), 25 deletions(-) (limited to 'include') diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index 533f9f256496..b3f789d0cee8 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -385,6 +385,9 @@ struct snd_soc_dapm_widget { /* widget input and outputs */ struct list_head sources; struct list_head sinks; + + /* used during DAPM updates */ + struct list_head power_list; }; #endif diff --git a/include/sound/soc.h b/include/sound/soc.h index 6ab80bf7abd2..8309ce81cf3b 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -372,6 +372,8 @@ struct snd_soc_codec { enum snd_soc_bias_level bias_level; enum snd_soc_bias_level suspend_bias_level; struct delayed_work delayed_work; + struct list_head up_list; + struct list_head down_list; /* codec DAI's */ struct snd_soc_dai *dai; diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 7847f80e96d1..04ef84106d7c 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -658,7 +658,7 @@ static int dapm_supply_check_power(struct snd_soc_dapm_widget *w) static int dapm_power_widget(struct snd_soc_codec *codec, int event, struct snd_soc_dapm_widget *w) { - int power, ret; + int ret; switch (w->id) { case snd_soc_dapm_pre: @@ -696,18 +696,8 @@ static int dapm_power_widget(struct snd_soc_codec *codec, int event, return 0; default: - break; + return dapm_generic_apply_power(w); } - - if (!w->power_check) - return 0; - - power = w->power_check(w); - if (w->power == power) - return 0; - w->power = power; - - return dapm_generic_apply_power(w); } /* @@ -722,27 +712,68 @@ static int dapm_power_widget(struct snd_soc_codec *codec, int event, static int dapm_power_widgets(struct snd_soc_codec *codec, int event) { struct snd_soc_dapm_widget *w; - int i, c = 1, *seq = NULL, ret = 0; - - /* do we have a sequenced stream event */ - if (event == SND_SOC_DAPM_STREAM_START) { - c = ARRAY_SIZE(dapm_up_seq); - seq = dapm_up_seq; - } else if (event == SND_SOC_DAPM_STREAM_STOP) { - c = ARRAY_SIZE(dapm_down_seq); - seq = dapm_down_seq; + int ret = 0; + int i, power; + + INIT_LIST_HEAD(&codec->up_list); + INIT_LIST_HEAD(&codec->down_list); + + /* Check which widgets we need to power and store them in + * lists indicating if they should be powered up or down. + */ + list_for_each_entry(w, &codec->dapm_widgets, list) { + switch (w->id) { + case snd_soc_dapm_pre: + list_add_tail(&codec->down_list, &w->power_list); + break; + case snd_soc_dapm_post: + list_add_tail(&codec->up_list, &w->power_list); + break; + + default: + if (!w->power_check) + continue; + + power = w->power_check(w); + if (w->power == power) + continue; + + if (power) + list_add_tail(&w->power_list, &codec->up_list); + else + list_add_tail(&w->power_list, + &codec->down_list); + + w->power = power; + break; + } } - for (i = 0; i < c; i++) { - list_for_each_entry(w, &codec->dapm_widgets, list) { + /* Power down widgets first; try to avoid amplifying pops. */ + for (i = 0; i < ARRAY_SIZE(dapm_down_seq); i++) { + list_for_each_entry(w, &codec->down_list, power_list) { + /* is widget in stream order */ + if (w->id != dapm_down_seq[i]) + continue; + + ret = dapm_power_widget(codec, event, w); + if (ret != 0) + pr_err("Failed to power down %s: %d\n", + w->name, ret); + } + } + /* Now power up. */ + for (i = 0; i < ARRAY_SIZE(dapm_up_seq); i++) { + list_for_each_entry(w, &codec->up_list, power_list) { /* is widget in stream order */ - if (seq && seq[i] && w->id != seq[i]) + if (w->id != dapm_up_seq[i]) continue; ret = dapm_power_widget(codec, event, w); if (ret != 0) - return ret; + pr_err("Failed to power up %s: %d\n", + w->name, ret); } } -- cgit v1.2.3 From 452c5eaa0d5162e02ffee742ea17540887bc2904 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Sun, 17 May 2009 21:41:23 +0100 Subject: ASoC: Integrate bias management with DAPM power management Rather than managing the bias level of the system based on if there is an active audio stream manage it based on there being an active DAPM widget. This simplifies the code a little, moving the power handling into one place, and improves audio performance for bypass paths when no playbacks or captures are active. Signed-off-by: Mark Brown --- include/sound/soc-dapm.h | 2 -- include/sound/soc.h | 1 + sound/soc/soc-core.c | 61 +++++++------------------------------ sound/soc/soc-dapm.c | 78 +++++++++++++++++++++++++++++++++--------------- 4 files changed, 65 insertions(+), 77 deletions(-) (limited to 'include') diff --git a/include/sound/soc-dapm.h b/include/sound/soc-dapm.h index b3f789d0cee8..ec8a45f9a069 100644 --- a/include/sound/soc-dapm.h +++ b/include/sound/soc-dapm.h @@ -279,8 +279,6 @@ int snd_soc_dapm_add_routes(struct snd_soc_codec *codec, /* dapm events */ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, char *stream, int event); -int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev, - enum snd_soc_bias_level level); /* dapm sys fs - used by the core */ int snd_soc_dapm_sys_add(struct device *dev); diff --git a/include/sound/soc.h b/include/sound/soc.h index 8309ce81cf3b..2af3213df90c 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -339,6 +339,7 @@ struct snd_soc_codec { struct module *owner; struct mutex mutex; struct device *dev; + struct snd_soc_device *socdev; struct list_head list; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index c0e706645ec4..4aa8e2d35061 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -299,7 +299,6 @@ static void close_delayed_work(struct work_struct *work) { struct snd_soc_card *card = container_of(work, struct snd_soc_card, delayed_work.work); - struct snd_soc_device *socdev = card->socdev; struct snd_soc_codec *codec = card->codec; struct snd_soc_dai *codec_dai; int i; @@ -315,27 +314,10 @@ static void close_delayed_work(struct work_struct *work) /* are we waiting on this codec DAI stream */ if (codec_dai->pop_wait == 1) { - - /* Reduce power if no longer active */ - if (codec->active == 0) { - pr_debug("pop wq D1 %s %s\n", codec->name, - codec_dai->playback.stream_name); - snd_soc_dapm_set_bias_level(socdev, - SND_SOC_BIAS_PREPARE); - } - codec_dai->pop_wait = 0; snd_soc_dapm_stream_event(codec, codec_dai->playback.stream_name, SND_SOC_DAPM_STREAM_STOP); - - /* Fall into standby if no longer active */ - if (codec->active == 0) { - pr_debug("pop wq D3 %s %s\n", codec->name, - codec_dai->playback.stream_name); - snd_soc_dapm_set_bias_level(socdev, - SND_SOC_BIAS_STANDBY); - } } } mutex_unlock(&pcm_mutex); @@ -399,10 +381,6 @@ static int soc_codec_close(struct snd_pcm_substream *substream) snd_soc_dapm_stream_event(codec, codec_dai->capture.stream_name, SND_SOC_DAPM_STREAM_STOP); - - if (codec->active == 0 && codec_dai->pop_wait == 0) - snd_soc_dapm_set_bias_level(socdev, - SND_SOC_BIAS_STANDBY); } mutex_unlock(&pcm_mutex); @@ -467,36 +445,16 @@ static int soc_pcm_prepare(struct snd_pcm_substream *substream) cancel_delayed_work(&card->delayed_work); } - /* do we need to power up codec */ - if (codec->bias_level != SND_SOC_BIAS_ON) { - snd_soc_dapm_set_bias_level(socdev, - SND_SOC_BIAS_PREPARE); - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - snd_soc_dapm_stream_event(codec, - codec_dai->playback.stream_name, - SND_SOC_DAPM_STREAM_START); - else - snd_soc_dapm_stream_event(codec, - codec_dai->capture.stream_name, - SND_SOC_DAPM_STREAM_START); - - snd_soc_dapm_set_bias_level(socdev, SND_SOC_BIAS_ON); - snd_soc_dai_digital_mute(codec_dai, 0); - - } else { - /* codec already powered - power on widgets */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - snd_soc_dapm_stream_event(codec, - codec_dai->playback.stream_name, - SND_SOC_DAPM_STREAM_START); - else - snd_soc_dapm_stream_event(codec, - codec_dai->capture.stream_name, - SND_SOC_DAPM_STREAM_START); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + snd_soc_dapm_stream_event(codec, + codec_dai->playback.stream_name, + SND_SOC_DAPM_STREAM_START); + else + snd_soc_dapm_stream_event(codec, + codec_dai->capture.stream_name, + SND_SOC_DAPM_STREAM_START); - snd_soc_dai_digital_mute(codec_dai, 0); - } + snd_soc_dai_digital_mute(codec_dai, 0); out: mutex_unlock(&pcm_mutex); @@ -1372,6 +1330,7 @@ int snd_soc_new_pcms(struct snd_soc_device *socdev, int idx, const char *xid) return ret; } + codec->socdev = socdev; codec->card->dev = socdev->dev; codec->card->private_data = codec; strncpy(codec->card->driver, codec->name, sizeof(codec->card->driver)); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index d130602b3072..4ca5e56388a3 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -94,6 +94,30 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget( return kmemdup(_widget, sizeof(*_widget), GFP_KERNEL); } +/** + * snd_soc_dapm_set_bias_level - set the bias level for the system + * @socdev: audio device + * @level: level to configure + * + * Configure the bias (power) levels for the SoC audio device. + * + * Returns 0 for success else error. + */ +static int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev, + enum snd_soc_bias_level level) +{ + struct snd_soc_card *card = socdev->card; + struct snd_soc_codec *codec = socdev->card->codec; + int ret = 0; + + if (card->set_bias_level) + ret = card->set_bias_level(card, level); + if (ret == 0 && codec->set_bias_level) + ret = codec->set_bias_level(codec, level); + + return ret; +} + /* set up initial codec paths */ static void dapm_set_path_status(struct snd_soc_dapm_widget *w, struct snd_soc_dapm_path *p, int i) @@ -707,9 +731,11 @@ static int dapm_power_widget(struct snd_soc_codec *codec, int event, */ static int dapm_power_widgets(struct snd_soc_codec *codec, int event) { + struct snd_soc_device *socdev = codec->socdev; struct snd_soc_dapm_widget *w; int ret = 0; int i, power; + int sys_power = 0; INIT_LIST_HEAD(&codec->up_list); INIT_LIST_HEAD(&codec->down_list); @@ -731,6 +757,9 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event) continue; power = w->power_check(w); + if (power) + sys_power = 1; + if (w->power == power) continue; @@ -745,6 +774,15 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event) } } + /* If we're changing to all on or all off then prepare */ + if ((sys_power && codec->bias_level == SND_SOC_BIAS_STANDBY) || + (!sys_power && codec->bias_level == SND_SOC_BIAS_ON)) { + ret = snd_soc_dapm_set_bias_level(socdev, + SND_SOC_BIAS_PREPARE); + if (ret != 0) + pr_err("Failed to prepare bias: %d\n", ret); + } + /* Power down widgets first; try to avoid amplifying pops. */ for (i = 0; i < ARRAY_SIZE(dapm_down_seq); i++) { list_for_each_entry(w, &codec->down_list, power_list) { @@ -773,6 +811,22 @@ static int dapm_power_widgets(struct snd_soc_codec *codec, int event) } } + /* If we just powered the last thing off drop to standby bias */ + if (codec->bias_level == SND_SOC_BIAS_PREPARE && !sys_power) { + ret = snd_soc_dapm_set_bias_level(socdev, + SND_SOC_BIAS_STANDBY); + if (ret != 0) + pr_err("Failed to apply standby bias: %d\n", ret); + } + + /* If we just powered up then move to active bias */ + if (codec->bias_level == SND_SOC_BIAS_PREPARE && sys_power) { + ret = snd_soc_dapm_set_bias_level(socdev, + SND_SOC_BIAS_ON); + if (ret != 0) + pr_err("Failed to apply active bias: %d\n", ret); + } + return 0; } @@ -1720,30 +1774,6 @@ int snd_soc_dapm_stream_event(struct snd_soc_codec *codec, } EXPORT_SYMBOL_GPL(snd_soc_dapm_stream_event); -/** - * snd_soc_dapm_set_bias_level - set the bias level for the system - * @socdev: audio device - * @level: level to configure - * - * Configure the bias (power) levels for the SoC audio device. - * - * Returns 0 for success else error. - */ -int snd_soc_dapm_set_bias_level(struct snd_soc_device *socdev, - enum snd_soc_bias_level level) -{ - struct snd_soc_card *card = socdev->card; - struct snd_soc_codec *codec = socdev->card->codec; - int ret = 0; - - if (card->set_bias_level) - ret = card->set_bias_level(card, level); - if (ret == 0 && codec->set_bias_level) - ret = codec->set_bias_level(codec, level); - - return ret; -} - /** * snd_soc_dapm_enable_pin - enable pin. * @codec: SoC codec -- cgit v1.2.3 From 89f536ccfa8b370ff4d054f4061858ca9322c25a Mon Sep 17 00:00:00 2001 From: Stephane Chatty Date: Wed, 20 May 2009 15:41:24 +0200 Subject: HID: add new multitouch and digitizer contants Added constants to hid.h for all digitizer usages (including the new multitouch ones that are not yet in the official USB spec but are being pushed by Microsft as described in their paper "Digitizer Drivers for Windows Touch and Pen-Based Computers"). Updated hid-debug.c to support the new MT input constants such as ABS_MT_POSITION_X. Signed-off-by: Stephane Chatty Signed-off-by: Jiri Kosina --- drivers/hid/hid-debug.c | 23 +++++++++++++++++++++-- include/linux/hid.h | 36 ++++++++++++++++++++++++++++++++++++ 2 files changed, 57 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c index 47ac1a7d66e1..04359ed64b87 100644 --- a/drivers/hid/hid-debug.c +++ b/drivers/hid/hid-debug.c @@ -137,6 +137,14 @@ static const struct hid_usage_entry hid_usage_table[] = { {0, 0x44, "BarrelSwitch"}, {0, 0x45, "Eraser"}, {0, 0x46, "TabletPick"}, + {0, 0x47, "Confidence"}, + {0, 0x48, "Width"}, + {0, 0x49, "Height"}, + {0, 0x51, "ContactID"}, + {0, 0x52, "InputMode"}, + {0, 0x53, "DeviceIndex"}, + {0, 0x54, "ContactCount"}, + {0, 0x55, "ContactMaximumNumber"}, { 15, 0, "PhysicalInterfaceDevice" }, {0, 0x00, "Undefined"}, {0, 0x01, "Physical_Interface_Device"}, @@ -514,9 +522,11 @@ static const char *events[EV_MAX + 1] = { [EV_FF_STATUS] = "ForceFeedbackStatus", }; -static const char *syncs[2] = { +static const char *syncs[3] = { [SYN_REPORT] = "Report", [SYN_CONFIG] = "Config", + [SYN_MT_REPORT] = "MT Report", }; + static const char *keys[KEY_MAX + 1] = { [KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc", [KEY_1] = "1", [KEY_2] = "2", @@ -734,8 +744,17 @@ static const char *absolutes[ABS_MAX + 1] = { [ABS_HAT2Y] = "Hat2Y", [ABS_HAT3X] = "Hat3X", [ABS_HAT3Y] = "Hat 3Y", [ABS_PRESSURE] = "Pressure", [ABS_DISTANCE] = "Distance", [ABS_TILT_X] = "XTilt", - [ABS_TILT_Y] = "YTilt", [ABS_TOOL_WIDTH] = "Tool Width", + [ABS_TILT_Y] = "YTilt", [ABS_TOOL_WIDTH] = "ToolWidth", [ABS_VOLUME] = "Volume", [ABS_MISC] = "Misc", + [ABS_MT_TOUCH_MAJOR] = "MTMajor", + [ABS_MT_TOUCH_MINOR] = "MTMinor", + [ABS_MT_WIDTH_MAJOR] = "MTMajorW", + [ABS_MT_WIDTH_MINOR] = "MTMinorW", + [ABS_MT_ORIENTATION] = "MTOrientation", + [ABS_MT_POSITION_X] = "MTPositionX", + [ABS_MT_POSITION_Y] = "MTPositionY", + [ABS_MT_TOOL_TYPE] = "MTToolType", + [ABS_MT_BLOB_ID] = "MTBlobID", }; static const char *misc[MSC_MAX + 1] = { diff --git a/include/linux/hid.h b/include/linux/hid.h index a72876e43589..53489fd4d700 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -238,6 +238,42 @@ struct hid_item { #define HID_GD_RIGHT 0x00010092 #define HID_GD_LEFT 0x00010093 +#define HID_DG_DIGITIZER 0x000d0001 +#define HID_DG_PEN 0x000d0002 +#define HID_DG_LIGHTPEN 0x000d0003 +#define HID_DG_TOUCHSCREEN 0x000d0004 +#define HID_DG_TOUCHPAD 0x000d0005 +#define HID_DG_STYLUS 0x000d0020 +#define HID_DG_PUCK 0x000d0021 +#define HID_DG_FINGER 0x000d0022 +#define HID_DG_TIPPRESSURE 0x000d0030 +#define HID_DG_BARRELPRESSURE 0x000d0031 +#define HID_DG_INRANGE 0x000d0032 +#define HID_DG_TOUCH 0x000d0033 +#define HID_DG_UNTOUCH 0x000d0034 +#define HID_DG_TAP 0x000d0035 +#define HID_DG_TABLETFUNCTIONKEY 0x000d0039 +#define HID_DG_PROGRAMCHANGEKEY 0x000d003a +#define HID_DG_INVERT 0x000d003c +#define HID_DG_TIPSWITCH 0x000d0042 +#define HID_DG_TIPSWITCH2 0x000d0043 +#define HID_DG_BARRELSWITCH 0x000d0044 +#define HID_DG_ERASER 0x000d0045 +#define HID_DG_TABLETPICK 0x000d0046 +/* + * as of May 20, 2009 the usages below are not yet in the official USB spec + * but are being pushed by Microsft as described in their paper "Digitizer + * Drivers for Windows Touch and Pen-Based Computers" + */ +#define HID_DG_CONFIDENCE 0x000d0047 +#define HID_DG_WIDTH 0x000d0048 +#define HID_DG_HEIGHT 0x000d0049 +#define HID_DG_CONTACTID 0x000d0051 +#define HID_DG_INPUTMODE 0x000d0052 +#define HID_DG_DEVICEINDEX 0x000d0053 +#define HID_DG_CONTACTCOUNT 0x000d0054 +#define HID_DG_CONTACTMAX 0x000d0055 + /* * HID report types --- Ouch! HID spec says 1 2 3! */ -- cgit v1.2.3 From 5c82f56736e4c3a9eaf53c94366b056c8622d79e Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 22 May 2009 09:41:30 +0100 Subject: AsoC: Make snd_soc_read() and snd_soc_write() functions Should be no impact on the generated code but it helps the compiler print clearer messages. Signed-off-by: Mark Brown --- include/sound/soc.h | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) (limited to 'include') diff --git a/include/sound/soc.h b/include/sound/soc.h index 2af3213df90c..cf6111d72b17 100644 --- a/include/sound/soc.h +++ b/include/sound/soc.h @@ -214,10 +214,6 @@ void snd_soc_jack_free_gpios(struct snd_soc_jack *jack, int count, struct snd_soc_jack_gpio *gpios); #endif -/* codec IO */ -#define snd_soc_read(codec, reg) codec->read(codec, reg) -#define snd_soc_write(codec, reg, value) codec->write(codec, reg, value) - /* codec register bit access */ int snd_soc_update_bits(struct snd_soc_codec *codec, unsigned short reg, unsigned short mask, unsigned short value); @@ -507,6 +503,19 @@ struct soc_enum { void *dapm; }; +/* codec IO */ +static inline unsigned int snd_soc_read(struct snd_soc_codec *codec, + unsigned int reg) +{ + return codec->read(codec, reg); +} + +static inline unsigned int snd_soc_write(struct snd_soc_codec *codec, + unsigned int reg, unsigned int val) +{ + return codec->write(codec, reg, val); +} + #include #endif -- cgit v1.2.3 From 86ed3669f068b514ab85ffd548456a342b3fb8d3 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Fri, 22 May 2009 15:01:19 +0100 Subject: ASoC: WM9081 mono DAC with integrated 2.6W class AB/D amplifier driver The WM9081 is designed to provide high power output at low distortion levels in space-constrained portable applications. Signed-off-by: Mark Brown --- include/sound/wm9081.h | 25 + sound/soc/codecs/Kconfig | 4 + sound/soc/codecs/Makefile | 2 + sound/soc/codecs/wm9081.c | 1532 +++++++++++++++++++++++++++++++++++++++++++++ sound/soc/codecs/wm9081.h | 787 +++++++++++++++++++++++ 5 files changed, 2350 insertions(+) create mode 100644 include/sound/wm9081.h create mode 100644 sound/soc/codecs/wm9081.c create mode 100644 sound/soc/codecs/wm9081.h (limited to 'include') diff --git a/include/sound/wm9081.h b/include/sound/wm9081.h new file mode 100644 index 000000000000..e173ddbf6bd4 --- /dev/null +++ b/include/sound/wm9081.h @@ -0,0 +1,25 @@ +/* + * linux/sound/wm9081.h -- Platform data for WM9081 + * + * Copyright 2009 Wolfson Microelectronics. PLC. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __LINUX_SND_WM_9081_H +#define __LINUX_SND_WM_9081_H + +struct wm9081_retune_mobile_setting { + const char *name; + unsigned int rate; + u16 config[20]; +}; + +struct wm9081_retune_mobile_config { + struct wm9081_retune_mobile_setting *configs; + int num_configs; +}; + +#endif diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig index 1c19ad54a9f9..7f78b65fc4e3 100644 --- a/sound/soc/codecs/Kconfig +++ b/sound/soc/codecs/Kconfig @@ -40,6 +40,7 @@ config SND_SOC_ALL_CODECS select SND_SOC_WM8971 if I2C select SND_SOC_WM8988 if SND_SOC_I2C_AND_SPI select SND_SOC_WM8990 if I2C + select SND_SOC_WM9081 if I2C select SND_SOC_WM9705 if SND_SOC_AC97_BUS select SND_SOC_WM9712 if SND_SOC_AC97_BUS select SND_SOC_WM9713 if SND_SOC_AC97_BUS @@ -156,6 +157,9 @@ config SND_SOC_WM8988 config SND_SOC_WM8990 tristate +config SND_SOC_WM9081 + tristate + config SND_SOC_WM9705 tristate diff --git a/sound/soc/codecs/Makefile b/sound/soc/codecs/Makefile index 3d31b6bea834..70c55fa2c436 100644 --- a/sound/soc/codecs/Makefile +++ b/sound/soc/codecs/Makefile @@ -28,6 +28,7 @@ snd-soc-wm8960-objs := wm8960.o snd-soc-wm8971-objs := wm8971.o snd-soc-wm8988-objs := wm8988.o snd-soc-wm8990-objs := wm8990.o +snd-soc-wm9081-objs := wm9081.o snd-soc-wm9705-objs := wm9705.o snd-soc-wm9712-objs := wm9712.o snd-soc-wm9713-objs := wm9713.o @@ -62,6 +63,7 @@ obj-$(CONFIG_SND_SOC_WM8940) += snd-soc-wm8940.o obj-$(CONFIG_SND_SOC_WM8960) += snd-soc-wm8960.o obj-$(CONFIG_SND_SOC_WM8988) += snd-soc-wm8988.o obj-$(CONFIG_SND_SOC_WM8990) += snd-soc-wm8990.o +obj-$(CONFIG_SND_SOC_WM9081) += snd-soc-wm9081.o obj-$(CONFIG_SND_SOC_WM9705) += snd-soc-wm9705.o obj-$(CONFIG_SND_SOC_WM9712) += snd-soc-wm9712.o obj-$(CONFIG_SND_SOC_WM9713) += snd-soc-wm9713.o diff --git a/sound/soc/codecs/wm9081.c b/sound/soc/codecs/wm9081.c new file mode 100644 index 000000000000..83e3148c258b --- /dev/null +++ b/sound/soc/codecs/wm9081.c @@ -0,0 +1,1532 @@ +/* + * wm9081.c -- WM9081 ALSA SoC Audio driver + * + * Author: Mark Brown + * + * Copyright 2009 Wolfson Microelectronics plc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include "wm9081.h" + +static u16 wm9081_reg_defaults[] = { + 0x0000, /* R0 - Software Reset */ + 0x0000, /* R1 */ + 0x00B9, /* R2 - Analogue Lineout */ + 0x00B9, /* R3 - Analogue Speaker PGA */ + 0x0001, /* R4 - VMID Control */ + 0x0068, /* R5 - Bias Control 1 */ + 0x0000, /* R6 */ + 0x0000, /* R7 - Analogue Mixer */ + 0x0000, /* R8 - Anti Pop Control */ + 0x01DB, /* R9 - Analogue Speaker 1 */ + 0x0018, /* R10 - Analogue Speaker 2 */ + 0x0180, /* R11 - Power Management */ + 0x0000, /* R12 - Clock Control 1 */ + 0x0038, /* R13 - Clock Control 2 */ + 0x4000, /* R14 - Clock Control 3 */ + 0x0000, /* R15 */ + 0x0000, /* R16 - FLL Control 1 */ + 0x0200, /* R17 - FLL Control 2 */ + 0x0000, /* R18 - FLL Control 3 */ + 0x0204, /* R19 - FLL Control 4 */ + 0x0000, /* R20 - FLL Control 5 */ + 0x0000, /* R21 */ + 0x0000, /* R22 - Audio Interface 1 */ + 0x0002, /* R23 - Audio Interface 2 */ + 0x0008, /* R24 - Audio Interface 3 */ + 0x0022, /* R25 - Audio Interface 4 */ + 0x0000, /* R26 - Interrupt Status */ + 0x0006, /* R27 - Interrupt Status Mask */ + 0x0000, /* R28 - Interrupt Polarity */ + 0x0000, /* R29 - Interrupt Control */ + 0x00C0, /* R30 - DAC Digital 1 */ + 0x0008, /* R31 - DAC Digital 2 */ + 0x09AF, /* R32 - DRC 1 */ + 0x4201, /* R33 - DRC 2 */ + 0x0000, /* R34 - DRC 3 */ + 0x0000, /* R35 - DRC 4 */ + 0x0000, /* R36 */ + 0x0000, /* R37 */ + 0x0000, /* R38 - Write Sequencer 1 */ + 0x0000, /* R39 - Write Sequencer 2 */ + 0x0002, /* R40 - MW Slave 1 */ + 0x0000, /* R41 */ + 0x0000, /* R42 - EQ 1 */ + 0x0000, /* R43 - EQ 2 */ + 0x0FCA, /* R44 - EQ 3 */ + 0x0400, /* R45 - EQ 4 */ + 0x00B8, /* R46 - EQ 5 */ + 0x1EB5, /* R47 - EQ 6 */ + 0xF145, /* R48 - EQ 7 */ + 0x0B75, /* R49 - EQ 8 */ + 0x01C5, /* R50 - EQ 9 */ + 0x169E, /* R51 - EQ 10 */ + 0xF829, /* R52 - EQ 11 */ + 0x07AD, /* R53 - EQ 12 */ + 0x1103, /* R54 - EQ 13 */ + 0x1C58, /* R55 - EQ 14 */ + 0xF373, /* R56 - EQ 15 */ + 0x0A54, /* R57 - EQ 16 */ + 0x0558, /* R58 - EQ 17 */ + 0x0564, /* R59 - EQ 18 */ + 0x0559, /* R60 - EQ 19 */ + 0x4000, /* R61 - EQ 20 */ +}; + +static struct { + int ratio; + int clk_sys_rate; +} clk_sys_rates[] = { + { 64, 0 }, + { 128, 1 }, + { 192, 2 }, + { 256, 3 }, + { 384, 4 }, + { 512, 5 }, + { 768, 6 }, + { 1024, 7 }, + { 1408, 8 }, + { 1536, 9 }, +}; + +static struct { + int rate; + int sample_rate; +} sample_rates[] = { + { 8000, 0 }, + { 11025, 1 }, + { 12000, 2 }, + { 16000, 3 }, + { 22050, 4 }, + { 24000, 5 }, + { 32000, 6 }, + { 44100, 7 }, + { 48000, 8 }, + { 88200, 9 }, + { 96000, 10 }, +}; + +static struct { + int div; /* *10 due to .5s */ + int bclk_div; +} bclk_divs[] = { + { 10, 0 }, + { 15, 1 }, + { 20, 2 }, + { 30, 3 }, + { 40, 4 }, + { 50, 5 }, + { 55, 6 }, + { 60, 7 }, + { 80, 8 }, + { 100, 9 }, + { 110, 10 }, + { 120, 11 }, + { 160, 12 }, + { 200, 13 }, + { 220, 14 }, + { 240, 15 }, + { 250, 16 }, + { 300, 17 }, + { 320, 18 }, + { 440, 19 }, + { 480, 20 }, +}; + +struct wm9081_priv { + struct snd_soc_codec codec; + u16 reg_cache[WM9081_MAX_REGISTER + 1]; + int sysclk_source; + int mclk_rate; + int sysclk_rate; + int fs; + int bclk; + int master; + int fll_fref; + int fll_fout; + struct wm9081_retune_mobile_config *retune; +}; + +static int wm9081_reg_is_volatile(int reg) +{ + switch (reg) { + default: + return 0; + } +} + +static unsigned int wm9081_read_reg_cache(struct snd_soc_codec *codec, + unsigned int reg) +{ + u16 *cache = codec->reg_cache; + BUG_ON(reg > WM9081_MAX_REGISTER); + return cache[reg]; +} + +static unsigned int wm9081_read_hw(struct snd_soc_codec *codec, u8 reg) +{ + struct i2c_msg xfer[2]; + u16 data; + int ret; + struct i2c_client *client = codec->control_data; + + BUG_ON(reg > WM9081_MAX_REGISTER); + + /* Write register */ + xfer[0].addr = client->addr; + xfer[0].flags = 0; + xfer[0].len = 1; + xfer[0].buf = ® + + /* Read data */ + xfer[1].addr = client->addr; + xfer[1].flags = I2C_M_RD; + xfer[1].len = 2; + xfer[1].buf = (u8 *)&data; + + ret = i2c_transfer(client->adapter, xfer, 2); + if (ret != 2) { + dev_err(&client->dev, "i2c_transfer() returned %d\n", ret); + return 0; + } + + return (data >> 8) | ((data & 0xff) << 8); +} + +static unsigned int wm9081_read(struct snd_soc_codec *codec, unsigned int reg) +{ + if (wm9081_reg_is_volatile(reg)) + return wm9081_read_hw(codec, reg); + else + return wm9081_read_reg_cache(codec, reg); +} + +static int wm9081_write(struct snd_soc_codec *codec, unsigned int reg, + unsigned int value) +{ + u16 *cache = codec->reg_cache; + u8 data[3]; + + BUG_ON(reg > WM9081_MAX_REGISTER); + + if (!wm9081_reg_is_volatile(reg)) + cache[reg] = value; + + data[0] = reg; + data[1] = value >> 8; + data[2] = value & 0x00ff; + + if (codec->hw_write(codec->control_data, data, 3) == 3) + return 0; + else + return -EIO; +} + +static int wm9081_reset(struct snd_soc_codec *codec) +{ + return wm9081_write(codec, WM9081_SOFTWARE_RESET, 0); +} + +static const DECLARE_TLV_DB_SCALE(drc_in_tlv, -4500, 75, 0); +static const DECLARE_TLV_DB_SCALE(drc_out_tlv, -2250, 75, 0); +static const DECLARE_TLV_DB_SCALE(drc_min_tlv, -1800, 600, 0); +static unsigned int drc_max_tlv[] = { + TLV_DB_RANGE_HEAD(4), + 0, 0, TLV_DB_SCALE_ITEM(1200, 0, 0), + 1, 1, TLV_DB_SCALE_ITEM(1800, 0, 0), + 2, 2, TLV_DB_SCALE_ITEM(2400, 0, 0), + 3, 3, TLV_DB_SCALE_ITEM(3600, 0, 0), +}; +static const DECLARE_TLV_DB_SCALE(drc_qr_tlv, 1200, 600, 0); +static const DECLARE_TLV_DB_SCALE(drc_startup_tlv, -300, 50, 0); + +static const DECLARE_TLV_DB_SCALE(eq_tlv, -1200, 100, 0); + +static const DECLARE_TLV_DB_SCALE(in_tlv, -600, 600, 0); +static const DECLARE_TLV_DB_SCALE(dac_tlv, -7200, 75, 1); +static const DECLARE_TLV_DB_SCALE(out_tlv, -5700, 100, 0); + +static const char *drc_high_text[] = { + "1", + "1/2", + "1/4", + "1/8", + "1/16", + "0", +}; + +static const struct soc_enum drc_high = + SOC_ENUM_SINGLE(WM9081_DRC_3, 3, 6, drc_high_text); + +static const char *drc_low_text[] = { + "1", + "1/2", + "1/4", + "1/8", + "0", +}; + +static const struct soc_enum drc_low = + SOC_ENUM_SINGLE(WM9081_DRC_3, 0, 5, drc_low_text); + +static const char *drc_atk_text[] = { + "181us", + "181us", + "363us", + "726us", + "1.45ms", + "2.9ms", + "5.8ms", + "11.6ms", + "23.2ms", + "46.4ms", + "92.8ms", + "185.6ms", +}; + +static const struct soc_enum drc_atk = + SOC_ENUM_SINGLE(WM9081_DRC_2, 12, 12, drc_atk_text); + +static const char *drc_dcy_text[] = { + "186ms", + "372ms", + "743ms", + "1.49s", + "2.97s", + "5.94s", + "11.89s", + "23.78s", + "47.56s", +}; + +static const struct soc_enum drc_dcy = + SOC_ENUM_SINGLE(WM9081_DRC_2, 8, 9, drc_dcy_text); + +static const char *drc_qr_dcy_text[] = { + "0.725ms", + "1.45ms", + "5.8ms", +}; + +static const struct soc_enum drc_qr_dcy = + SOC_ENUM_SINGLE(WM9081_DRC_2, 4, 3, drc_qr_dcy_text); + +static const char *dac_deemph_text[] = { + "None", + "32kHz", + "44.1kHz", + "48kHz", +}; + +static const struct soc_enum dac_deemph = + SOC_ENUM_SINGLE(WM9081_DAC_DIGITAL_2, 1, 4, dac_deemph_text); + +static const char *speaker_mode_text[] = { + "Class D", + "Class AB", +}; + +static const struct soc_enum speaker_mode = + SOC_ENUM_SINGLE(WM9081_ANALOGUE_SPEAKER_2, 6, 2, speaker_mode_text); + +static int speaker_mode_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + unsigned int reg; + + reg = wm9081_read(codec, WM9081_ANALOGUE_SPEAKER_2); + if (reg & WM9081_SPK_MODE) + ucontrol->value.integer.value[0] = 1; + else + ucontrol->value.integer.value[0] = 0; + + return 0; +} + +/* + * Stop any attempts to change speaker mode while the speaker is enabled. + * + * We also have some special anti-pop controls dependant on speaker + * mode which must be changed along with the mode. + */ +static int speaker_mode_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol); + unsigned int reg_pwr = wm9081_read(codec, WM9081_POWER_MANAGEMENT); + unsigned int reg2 = wm9081_read(codec, WM9081_ANALOGUE_SPEAKER_2); + + /* Are we changing anything? */ + if (ucontrol->value.integer.value[0] == + ((reg2 & WM9081_SPK_MODE) != 0)) + return 0; + + /* Don't try to change modes while enabled */ + if (reg_pwr & WM9081_SPK_ENA) + return -EINVAL; + + if (ucontrol->value.integer.value[0]) { + /* Class AB */ + reg2 &= ~(WM9081_SPK_INV_MUTE | WM9081_OUT_SPK_CTRL); + reg2 |= WM9081_SPK_MODE; + } else { + /* Class D */ + reg2 |= WM9081_SPK_INV_MUTE | WM9081_OUT_SPK_CTRL; + reg2 &= ~WM9081_SPK_MODE; + } + + wm9081_write(codec, WM9081_ANALOGUE_SPEAKER_2, reg2); + + return 0; +} + +static const struct snd_kcontrol_new wm9081_snd_controls[] = { +SOC_SINGLE_TLV("IN1 Volume", WM9081_ANALOGUE_MIXER, 1, 1, 1, in_tlv), +SOC_SINGLE_TLV("IN2 Volume", WM9081_ANALOGUE_MIXER, 3, 1, 1, in_tlv), + +SOC_SINGLE_TLV("Playback Volume", WM9081_DAC_DIGITAL_1, 1, 96, 0, dac_tlv), + +SOC_SINGLE("LINEOUT Switch", WM9081_ANALOGUE_LINEOUT, 7, 1, 1), +SOC_SINGLE("LINEOUT ZC Switch", WM9081_ANALOGUE_LINEOUT, 6, 1, 0), +SOC_SINGLE_TLV("LINEOUT Volume", WM9081_ANALOGUE_LINEOUT, 0, 63, 0, out_tlv), + +SOC_SINGLE("DRC Switch", WM9081_DRC_1, 15, 1, 0), +SOC_ENUM("DRC High Slope", drc_high), +SOC_ENUM("DRC Low Slope", drc_low), +SOC_SINGLE_TLV("DRC Input Volume", WM9081_DRC_4, 5, 60, 1, drc_in_tlv), +SOC_SINGLE_TLV("DRC Output Volume", WM9081_DRC_4, 0, 30, 1, drc_out_tlv), +SOC_SINGLE_TLV("DRC Minimum Volume", WM9081_DRC_2, 2, 3, 1, drc_min_tlv), +SOC_SINGLE_TLV("DRC Maximum Volume", WM9081_DRC_2, 0, 3, 0, drc_max_tlv), +SOC_ENUM("DRC Attack", drc_atk), +SOC_ENUM("DRC Decay", drc_dcy), +SOC_SINGLE("DRC Quick Release Switch", WM9081_DRC_1, 2, 1, 0), +SOC_SINGLE_TLV("DRC Quick Release Volume", WM9081_DRC_2, 6, 3, 0, drc_qr_tlv), +SOC_ENUM("DRC Quick Release Decay", drc_qr_dcy), +SOC_SINGLE_TLV("DRC Startup Volume", WM9081_DRC_1, 6, 18, 0, drc_startup_tlv), + +SOC_SINGLE("EQ Switch", WM9081_EQ_1, 0, 1, 0), + +SOC_SINGLE("Speaker DC Volume", WM9081_ANALOGUE_SPEAKER_1, 3, 5, 0), +SOC_SINGLE("Speaker AC Volume", WM9081_ANALOGUE_SPEAKER_1, 0, 5, 0), +SOC_SINGLE("Speaker Switch", WM9081_ANALOGUE_SPEAKER_PGA, 7, 1, 1), +SOC_SINGLE("Speaker ZC Switch", WM9081_ANALOGUE_SPEAKER_PGA, 6, 1, 0), +SOC_SINGLE_TLV("Speaker Volume", WM9081_ANALOGUE_SPEAKER_PGA, 0, 63, 0, + out_tlv), +SOC_ENUM("DAC Deemphasis", dac_deemph), +SOC_ENUM_EXT("Speaker Mode", speaker_mode, speaker_mode_get, speaker_mode_put), +}; + +static const struct snd_kcontrol_new wm9081_eq_controls[] = { +SOC_SINGLE_TLV("EQ1 Volume", WM9081_EQ_1, 11, 24, 0, eq_tlv), +SOC_SINGLE_TLV("EQ2 Volume", WM9081_EQ_1, 6, 24, 0, eq_tlv), +SOC_SINGLE_TLV("EQ3 Volume", WM9081_EQ_1, 1, 24, 0, eq_tlv), +SOC_SINGLE_TLV("EQ4 Volume", WM9081_EQ_2, 11, 24, 0, eq_tlv), +SOC_SINGLE_TLV("EQ5 Volume", WM9081_EQ_2, 6, 24, 0, eq_tlv), +}; + +static const struct snd_kcontrol_new mixer[] = { +SOC_DAPM_SINGLE("IN1 Switch", WM9081_ANALOGUE_MIXER, 0, 1, 0), +SOC_DAPM_SINGLE("IN2 Switch", WM9081_ANALOGUE_MIXER, 2, 1, 0), +SOC_DAPM_SINGLE("Playback Switch", WM9081_ANALOGUE_MIXER, 4, 1, 0), +}; + +static int speaker_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = w->codec; + unsigned int reg = wm9081_read(codec, WM9081_POWER_MANAGEMENT); + + switch (event) { + case SND_SOC_DAPM_POST_PMU: + reg |= WM9081_SPK_ENA; + break; + + case SND_SOC_DAPM_PRE_PMD: + reg &= ~WM9081_SPK_ENA; + break; + } + + wm9081_write(codec, WM9081_POWER_MANAGEMENT, reg); + + return 0; +} + +struct _fll_div { + u16 fll_fratio; + u16 fll_outdiv; + u16 fll_clk_ref_div; + u16 n; + u16 k; +}; + +/* The size in bits of the FLL divide multiplied by 10 + * to allow rounding later */ +#define FIXED_FLL_SIZE ((1 << 16) * 10) + +static struct { + unsigned int min; + unsigned int max; + u16 fll_fratio; + int ratio; +} fll_fratios[] = { + { 0, 64000, 4, 16 }, + { 64000, 128000, 3, 8 }, + { 128000, 256000, 2, 4 }, + { 256000, 1000000, 1, 2 }, + { 1000000, 13500000, 0, 1 }, +}; + +static int fll_factors(struct _fll_div *fll_div, unsigned int Fref, + unsigned int Fout) +{ + u64 Kpart; + unsigned int K, Ndiv, Nmod, target; + unsigned int div; + int i; + + /* Fref must be <=13.5MHz */ + div = 1; + while ((Fref / div) > 13500000) { + div *= 2; + + if (div > 8) { + pr_err("Can't scale %dMHz input down to <=13.5MHz\n", + Fref); + return -EINVAL; + } + } + fll_div->fll_clk_ref_div = div / 2; + + pr_debug("Fref=%u Fout=%u\n", Fref, Fout); + + /* Apply the division for our remaining calculations */ + Fref /= div; + + /* Fvco should be 90-100MHz; don't check the upper bound */ + div = 0; + target = Fout * 2; + while (target < 90000000) { + div++; + target *= 2; + if (div > 7) { + pr_err("Unable to find FLL_OUTDIV for Fout=%uHz\n", + Fout); + return -EINVAL; + } + } + fll_div->fll_outdiv = div; + + pr_debug("Fvco=%dHz\n", target); + + /* Find an appropraite FLL_FRATIO and factor it out of the target */ + for (i = 0; i < ARRAY_SIZE(fll_fratios); i++) { + if (fll_fratios[i].min <= Fref && Fref <= fll_fratios[i].max) { + fll_div->fll_fratio = fll_fratios[i].fll_fratio; + target /= fll_fratios[i].ratio; + break; + } + } + if (i == ARRAY_SIZE(fll_fratios)) { + pr_err("Unable to find FLL_FRATIO for Fref=%uHz\n", Fref); + return -EINVAL; + } + + /* Now, calculate N.K */ + Ndiv = target / Fref; + + fll_div->n = Ndiv; + Nmod = target % Fref; + pr_debug("Nmod=%d\n", Nmod); + + /* Calculate fractional part - scale up so we can round. */ + Kpart = FIXED_FLL_SIZE * (long long)Nmod; + + do_div(Kpart, Fref); + + K = Kpart & 0xFFFFFFFF; + + if ((K % 10) >= 5) + K += 5; + + /* Move down to proper range now rounding is done */ + fll_div->k = K / 10; + + pr_debug("N=%x K=%x FLL_FRATIO=%x FLL_OUTDIV=%x FLL_CLK_REF_DIV=%x\n", + fll_div->n, fll_div->k, + fll_div->fll_fratio, fll_div->fll_outdiv, + fll_div->fll_clk_ref_div); + + return 0; +} + +static int wm9081_set_fll(struct snd_soc_codec *codec, int fll_id, + unsigned int Fref, unsigned int Fout) +{ + struct wm9081_priv *wm9081 = codec->private_data; + u16 reg1, reg4, reg5; + struct _fll_div fll_div; + int ret; + int clk_sys_reg; + + /* Any change? */ + if (Fref == wm9081->fll_fref && Fout == wm9081->fll_fout) + return 0; + + /* Disable the FLL */ + if (Fout == 0) { + dev_dbg(codec->dev, "FLL disabled\n"); + wm9081->fll_fref = 0; + wm9081->fll_fout = 0; + + return 0; + } + + ret = fll_factors(&fll_div, Fref, Fout); + if (ret != 0) + return ret; + + reg5 = wm9081_read(codec, WM9081_FLL_CONTROL_5); + reg5 &= ~WM9081_FLL_CLK_SRC_MASK; + + switch (fll_id) { + case WM9081_SYSCLK_FLL_MCLK: + reg5 |= 0x1; + break; + + default: + dev_err(codec->dev, "Unknown FLL ID %d\n", fll_id); + return -EINVAL; + } + + /* Disable CLK_SYS while we reconfigure */ + clk_sys_reg = wm9081_read(codec, WM9081_CLOCK_CONTROL_3); + if (clk_sys_reg & WM9081_CLK_SYS_ENA) + wm9081_write(codec, WM9081_CLOCK_CONTROL_3, + clk_sys_reg & ~WM9081_CLK_SYS_ENA); + + /* Any FLL configuration change requires that the FLL be + * disabled first. */ + reg1 = wm9081_read(codec, WM9081_FLL_CONTROL_1); + reg1 &= ~WM9081_FLL_ENA; + wm9081_write(codec, WM9081_FLL_CONTROL_1, reg1); + + /* Apply the configuration */ + if (fll_div.k) + reg1 |= WM9081_FLL_FRAC_MASK; + else + reg1 &= ~WM9081_FLL_FRAC_MASK; + wm9081_write(codec, WM9081_FLL_CONTROL_1, reg1); + + wm9081_write(codec, WM9081_FLL_CONTROL_2, + (fll_div.fll_outdiv << WM9081_FLL_OUTDIV_SHIFT) | + (fll_div.fll_fratio << WM9081_FLL_FRATIO_SHIFT)); + wm9081_write(codec, WM9081_FLL_CONTROL_3, fll_div.k); + + reg4 = wm9081_read(codec, WM9081_FLL_CONTROL_4); + reg4 &= ~WM9081_FLL_N_MASK; + reg4 |= fll_div.n << WM9081_FLL_N_SHIFT; + wm9081_write(codec, WM9081_FLL_CONTROL_4, reg4); + + reg5 &= ~WM9081_FLL_CLK_REF_DIV_MASK; + reg5 |= fll_div.fll_clk_ref_div << WM9081_FLL_CLK_REF_DIV_SHIFT; + wm9081_write(codec, WM9081_FLL_CONTROL_5, reg5); + + /* Enable the FLL */ + wm9081_write(codec, WM9081_FLL_CONTROL_1, reg1 | WM9081_FLL_ENA); + + /* Then bring CLK_SYS up again if it was disabled */ + if (clk_sys_reg & WM9081_CLK_SYS_ENA) + wm9081_write(codec, WM9081_CLOCK_CONTROL_3, clk_sys_reg); + + dev_dbg(codec->dev, "FLL enabled at %dHz->%dHz\n", Fref, Fout); + + wm9081->fll_fref = Fref; + wm9081->fll_fout = Fout; + + return 0; +} + +static int configure_clock(struct snd_soc_codec *codec) +{ + struct wm9081_priv *wm9081 = codec->private_data; + int new_sysclk, i, target; + unsigned int reg; + int ret = 0; + int mclkdiv = 0; + int fll = 0; + + switch (wm9081->sysclk_source) { + case WM9081_SYSCLK_MCLK: + if (wm9081->mclk_rate > 12225000) { + mclkdiv = 1; + wm9081->sysclk_rate = wm9081->mclk_rate / 2; + } else { + wm9081->sysclk_rate = wm9081->mclk_rate; + } + wm9081_set_fll(codec, WM9081_SYSCLK_FLL_MCLK, 0, 0); + break; + + case WM9081_SYSCLK_FLL_MCLK: + /* If we have a sample rate calculate a CLK_SYS that + * gives us a suitable DAC configuration, plus BCLK. + * Ideally we would check to see if we can clock + * directly from MCLK and only use the FLL if this is + * not the case, though care must be taken with free + * running mode. + */ + if (wm9081->master && wm9081->bclk) { + /* Make sure we can generate CLK_SYS and BCLK + * and that we've got 3MHz for optimal + * performance. */ + for (i = 0; i < ARRAY_SIZE(clk_sys_rates); i++) { + target = wm9081->fs * clk_sys_rates[i].ratio; + if (target >= wm9081->bclk && + target > 3000000) + new_sysclk = target; + } + } else if (wm9081->fs) { + for (i = 0; i < ARRAY_SIZE(clk_sys_rates); i++) { + new_sysclk = clk_sys_rates[i].ratio + * wm9081->fs; + if (new_sysclk > 3000000) + break; + } + } else { + new_sysclk = 12288000; + } + + ret = wm9081_set_fll(codec, WM9081_SYSCLK_FLL_MCLK, + wm9081->mclk_rate, new_sysclk); + if (ret == 0) { + wm9081->sysclk_rate = new_sysclk; + + /* Switch SYSCLK over to FLL */ + fll = 1; + } else { + wm9081->sysclk_rate = wm9081->mclk_rate; + } + break; + + default: + return -EINVAL; + } + + reg = wm9081_read(codec, WM9081_CLOCK_CONTROL_1); + if (mclkdiv) + reg |= WM9081_MCLKDIV2; + else + reg &= ~WM9081_MCLKDIV2; + wm9081_write(codec, WM9081_CLOCK_CONTROL_1, reg); + + reg = wm9081_read(codec, WM9081_CLOCK_CONTROL_3); + if (fll) + reg |= WM9081_CLK_SRC_SEL; + else + reg &= ~WM9081_CLK_SRC_SEL; + wm9081_write(codec, WM9081_CLOCK_CONTROL_3, reg); + + dev_dbg(codec->dev, "CLK_SYS is %dHz\n", wm9081->sysclk_rate); + + return ret; +} + +static int clk_sys_event(struct snd_soc_dapm_widget *w, + struct snd_kcontrol *kcontrol, int event) +{ + struct snd_soc_codec *codec = w->codec; + struct wm9081_priv *wm9081 = codec->private_data; + + /* This should be done on init() for bypass paths */ + switch (wm9081->sysclk_source) { + case WM9081_SYSCLK_MCLK: + dev_dbg(codec->dev, "Using %dHz MCLK\n", wm9081->mclk_rate); + break; + case WM9081_SYSCLK_FLL_MCLK: + dev_dbg(codec->dev, "Using %dHz MCLK with FLL\n", + wm9081->mclk_rate); + break; + default: + dev_err(codec->dev, "System clock not configured\n"); + return -EINVAL; + } + + switch (event) { + case SND_SOC_DAPM_PRE_PMU: + configure_clock(codec); + break; + + case SND_SOC_DAPM_POST_PMD: + /* Disable the FLL if it's running */ + wm9081_set_fll(codec, 0, 0, 0); + break; + } + + return 0; +} + +static const struct snd_soc_dapm_widget wm9081_dapm_widgets[] = { +SND_SOC_DAPM_INPUT("IN1"), +SND_SOC_DAPM_INPUT("IN2"), + +SND_SOC_DAPM_DAC("DAC", "HiFi Playback", WM9081_POWER_MANAGEMENT, 0, 0), + +SND_SOC_DAPM_MIXER_NAMED_CTL("Mixer", SND_SOC_NOPM, 0, 0, + mixer, ARRAY_SIZE(mixer)), + +SND_SOC_DAPM_PGA("LINEOUT PGA", WM9081_POWER_MANAGEMENT, 4, 0, NULL, 0), + +SND_SOC_DAPM_PGA_E("Speaker PGA", WM9081_POWER_MANAGEMENT, 2, 0, NULL, 0, + speaker_event, + SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD), + +SND_SOC_DAPM_OUTPUT("LINEOUT"), +SND_SOC_DAPM_OUTPUT("SPKN"), +SND_SOC_DAPM_OUTPUT("SPKP"), + +SND_SOC_DAPM_SUPPLY("CLK_SYS", WM9081_CLOCK_CONTROL_3, 0, 0, clk_sys_event, + SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD), +SND_SOC_DAPM_SUPPLY("CLK_DSP", WM9081_CLOCK_CONTROL_3, 1, 0, NULL, 0), +SND_SOC_DAPM_SUPPLY("TOCLK", WM9081_CLOCK_CONTROL_3, 2, 0, NULL, 0), +}; + + +static const struct snd_soc_dapm_route audio_paths[] = { + { "DAC", NULL, "CLK_SYS" }, + { "DAC", NULL, "CLK_DSP" }, + + { "Mixer", "IN1 Switch", "IN1" }, + { "Mixer", "IN2 Switch", "IN2" }, + { "Mixer", "Playback Switch", "DAC" }, + + { "LINEOUT PGA", NULL, "Mixer" }, + { "LINEOUT PGA", NULL, "TOCLK" }, + { "LINEOUT PGA", NULL, "CLK_SYS" }, + + { "LINEOUT", NULL, "LINEOUT PGA" }, + + { "Speaker PGA", NULL, "Mixer" }, + { "Speaker PGA", NULL, "TOCLK" }, + { "Speaker PGA", NULL, "CLK_SYS" }, + + { "SPKN", NULL, "Speaker PGA" }, + { "SPKP", NULL, "Speaker PGA" }, +}; + +static int wm9081_set_bias_level(struct snd_soc_codec *codec, + enum snd_soc_bias_level level) +{ + u16 reg; + + switch (level) { + case SND_SOC_BIAS_ON: + break; + + case SND_SOC_BIAS_PREPARE: + /* VMID=2*40k */ + reg = wm9081_read(codec, WM9081_VMID_CONTROL); + reg &= ~WM9081_VMID_SEL_MASK; + reg |= 0x2; + wm9081_write(codec, WM9081_VMID_CONTROL, reg); + + /* Normal bias current */ + reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg &= ~WM9081_STBY_BIAS_ENA; + wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + break; + + case SND_SOC_BIAS_STANDBY: + /* Initial cold start */ + if (codec->bias_level == SND_SOC_BIAS_OFF) { + /* Disable LINEOUT discharge */ + reg = wm9081_read(codec, WM9081_ANTI_POP_CONTROL); + reg &= ~WM9081_LINEOUT_DISCH; + wm9081_write(codec, WM9081_ANTI_POP_CONTROL, reg); + + /* Select startup bias source */ + reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg |= WM9081_BIAS_SRC | WM9081_BIAS_ENA; + wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + + /* VMID 2*4k; Soft VMID ramp enable */ + reg = wm9081_read(codec, WM9081_VMID_CONTROL); + reg |= WM9081_VMID_RAMP | 0x6; + wm9081_write(codec, WM9081_VMID_CONTROL, reg); + + mdelay(100); + + /* Normal bias enable & soft start off */ + reg |= WM9081_BIAS_ENA; + reg &= ~WM9081_VMID_RAMP; + wm9081_write(codec, WM9081_VMID_CONTROL, reg); + + /* Standard bias source */ + reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg &= ~WM9081_BIAS_SRC; + wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + } + + /* VMID 2*240k */ + reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg &= ~WM9081_VMID_SEL_MASK; + reg |= 0x40; + wm9081_write(codec, WM9081_VMID_CONTROL, reg); + + /* Standby bias current on */ + reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg |= WM9081_STBY_BIAS_ENA; + wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + break; + + case SND_SOC_BIAS_OFF: + /* Startup bias source */ + reg = wm9081_read(codec, WM9081_BIAS_CONTROL_1); + reg |= WM9081_BIAS_SRC; + wm9081_write(codec, WM9081_BIAS_CONTROL_1, reg); + + /* Disable VMID and biases with soft ramping */ + reg = wm9081_read(codec, WM9081_VMID_CONTROL); + reg &= ~(WM9081_VMID_SEL_MASK | WM9081_BIAS_ENA); + reg |= WM9081_VMID_RAMP; + wm9081_write(codec, WM9081_VMID_CONTROL, reg); + + /* Actively discharge LINEOUT */ + reg = wm9081_read(codec, WM9081_ANTI_POP_CONTROL); + reg |= WM9081_LINEOUT_DISCH; + wm9081_write(codec, WM9081_ANTI_POP_CONTROL, reg); + break; + } + + codec->bias_level = level; + + return 0; +} + +static int wm9081_set_dai_fmt(struct snd_soc_dai *dai, + unsigned int fmt) +{ + struct snd_soc_codec *codec = dai->codec; + struct wm9081_priv *wm9081 = codec->private_data; + unsigned int aif2 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_2); + + aif2 &= ~(WM9081_AIF_BCLK_INV | WM9081_AIF_LRCLK_INV | + WM9081_BCLK_DIR | WM9081_LRCLK_DIR | WM9081_AIF_FMT_MASK); + + switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { + case SND_SOC_DAIFMT_CBS_CFS: + wm9081->master = 0; + break; + case SND_SOC_DAIFMT_CBS_CFM: + aif2 |= WM9081_LRCLK_DIR; + wm9081->master = 1; + break; + case SND_SOC_DAIFMT_CBM_CFS: + aif2 |= WM9081_BCLK_DIR; + wm9081->master = 1; + break; + case SND_SOC_DAIFMT_CBM_CFM: + aif2 |= WM9081_LRCLK_DIR | WM9081_BCLK_DIR; + wm9081->master = 1; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_B: + aif2 |= WM9081_AIF_LRCLK_INV; + case SND_SOC_DAIFMT_DSP_A: + aif2 |= 0x3; + break; + case SND_SOC_DAIFMT_I2S: + aif2 |= 0x2; + break; + case SND_SOC_DAIFMT_RIGHT_J: + break; + case SND_SOC_DAIFMT_LEFT_J: + aif2 |= 0x1; + break; + default: + return -EINVAL; + } + + switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { + case SND_SOC_DAIFMT_DSP_A: + case SND_SOC_DAIFMT_DSP_B: + /* frame inversion not valid for DSP modes */ + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_NF: + aif2 |= WM9081_AIF_BCLK_INV; + break; + default: + return -EINVAL; + } + break; + + case SND_SOC_DAIFMT_I2S: + case SND_SOC_DAIFMT_RIGHT_J: + case SND_SOC_DAIFMT_LEFT_J: + switch (fmt & SND_SOC_DAIFMT_INV_MASK) { + case SND_SOC_DAIFMT_NB_NF: + break; + case SND_SOC_DAIFMT_IB_IF: + aif2 |= WM9081_AIF_BCLK_INV | WM9081_AIF_LRCLK_INV; + break; + case SND_SOC_DAIFMT_IB_NF: + aif2 |= WM9081_AIF_BCLK_INV; + break; + case SND_SOC_DAIFMT_NB_IF: + aif2 |= WM9081_AIF_LRCLK_INV; + break; + default: + return -EINVAL; + } + break; + default: + return -EINVAL; + } + + wm9081_write(codec, WM9081_AUDIO_INTERFACE_2, aif2); + + return 0; +} + +static int wm9081_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) +{ + struct snd_soc_codec *codec = dai->codec; + struct wm9081_priv *wm9081 = codec->private_data; + int ret, i, best, best_val, cur_val; + unsigned int clk_ctrl2, aif1, aif2, aif3, aif4; + + clk_ctrl2 = wm9081_read(codec, WM9081_CLOCK_CONTROL_2); + clk_ctrl2 &= ~(WM9081_CLK_SYS_RATE_MASK | WM9081_SAMPLE_RATE_MASK); + + aif1 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_1); + + aif2 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_2); + aif2 &= ~WM9081_AIF_WL_MASK; + + aif3 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_3); + aif3 &= ~WM9081_BCLK_DIV_MASK; + + aif4 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_4); + aif4 &= ~WM9081_LRCLK_RATE_MASK; + + /* What BCLK do we need? */ + wm9081->fs = params_rate(params); + wm9081->bclk = 2 * wm9081->fs; + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + wm9081->bclk *= 16; + break; + case SNDRV_PCM_FORMAT_S20_3LE: + wm9081->bclk *= 20; + aif2 |= 0x4; + break; + case SNDRV_PCM_FORMAT_S24_LE: + wm9081->bclk *= 24; + aif2 |= 0x8; + break; + case SNDRV_PCM_FORMAT_S32_LE: + wm9081->bclk *= 32; + aif2 |= 0xc; + break; + default: + return -EINVAL; + } + + if (aif1 & WM9081_AIFDAC_TDM_MODE_MASK) { + int slots = ((aif1 & WM9081_AIFDAC_TDM_MODE_MASK) >> + WM9081_AIFDAC_TDM_MODE_SHIFT) + 1; + wm9081->bclk *= slots; + } + + dev_dbg(codec->dev, "Target BCLK is %dHz\n", wm9081->bclk); + + ret = configure_clock(codec); + if (ret != 0) + return ret; + + /* Select nearest CLK_SYS_RATE */ + best = 0; + best_val = abs((wm9081->sysclk_rate / clk_sys_rates[0].ratio) + - wm9081->fs); + for (i = 1; i < ARRAY_SIZE(clk_sys_rates); i++) { + cur_val = abs((wm9081->sysclk_rate / + clk_sys_rates[i].ratio) - wm9081->fs);; + if (cur_val < best_val) { + best = i; + best_val = cur_val; + } + } + dev_dbg(codec->dev, "Selected CLK_SYS_RATIO of %d\n", + clk_sys_rates[best].ratio); + clk_ctrl2 |= (clk_sys_rates[best].clk_sys_rate + << WM9081_CLK_SYS_RATE_SHIFT); + + /* SAMPLE_RATE */ + best = 0; + best_val = abs(wm9081->fs - sample_rates[0].rate); + for (i = 1; i < ARRAY_SIZE(sample_rates); i++) { + /* Closest match */ + cur_val = abs(wm9081->fs - sample_rates[i].rate); + if (cur_val < best_val) { + best = i; + best_val = cur_val; + } + } + dev_dbg(codec->dev, "Selected SAMPLE_RATE of %dHz\n", + sample_rates[best].rate); + clk_ctrl2 |= (sample_rates[i].sample_rate << WM9081_SAMPLE_RATE_SHIFT); + + /* BCLK_DIV */ + best = 0; + best_val = INT_MAX; + for (i = 0; i < ARRAY_SIZE(bclk_divs); i++) { + cur_val = ((wm9081->sysclk_rate * 10) / bclk_divs[i].div) + - wm9081->bclk; + if (cur_val < 0) /* Table is sorted */ + break; + if (cur_val < best_val) { + best = i; + best_val = cur_val; + } + } + wm9081->bclk = (wm9081->sysclk_rate * 10) / bclk_divs[best].div; + dev_dbg(codec->dev, "Selected BCLK_DIV of %d for %dHz BCLK\n", + bclk_divs[best].div, wm9081->bclk); + aif3 |= bclk_divs[best].bclk_div; + + /* LRCLK is a simple fraction of BCLK */ + dev_dbg(codec->dev, "LRCLK_RATE is %d\n", wm9081->bclk / wm9081->fs); + aif4 |= wm9081->bclk / wm9081->fs; + + /* Apply a ReTune Mobile configuration if it's in use */ + if (wm9081->retune) { + struct wm9081_retune_mobile_config *retune = wm9081->retune; + struct wm9081_retune_mobile_setting *s; + int eq1; + + best = 0; + best_val = abs(retune->configs[0].rate - wm9081->fs); + for (i = 0; i < retune->num_configs; i++) { + cur_val = abs(retune->configs[i].rate - wm9081->fs); + if (cur_val < best_val) { + best_val = cur_val; + best = i; + } + } + s = &retune->configs[best]; + + dev_dbg(codec->dev, "ReTune Mobile %s tuned for %dHz\n", + s->name, s->rate); + + /* If the EQ is enabled then disable it while we write out */ + eq1 = wm9081_read(codec, WM9081_EQ_1) & WM9081_EQ_ENA; + if (eq1 & WM9081_EQ_ENA) + wm9081_write(codec, WM9081_EQ_1, 0); + + /* Write out the other values */ + for (i = 1; i < ARRAY_SIZE(s->config); i++) + wm9081_write(codec, WM9081_EQ_1 + i, s->config[i]); + + eq1 |= (s->config[0] & ~WM9081_EQ_ENA); + wm9081_write(codec, WM9081_EQ_1, eq1); + } + + wm9081_write(codec, WM9081_CLOCK_CONTROL_2, clk_ctrl2); + wm9081_write(codec, WM9081_AUDIO_INTERFACE_2, aif2); + wm9081_write(codec, WM9081_AUDIO_INTERFACE_3, aif3); + wm9081_write(codec, WM9081_AUDIO_INTERFACE_4, aif4); + + return 0; +} + +static int wm9081_digital_mute(struct snd_soc_dai *codec_dai, int mute) +{ + struct snd_soc_codec *codec = codec_dai->codec; + unsigned int reg; + + reg = wm9081_read(codec, WM9081_DAC_DIGITAL_2); + + if (mute) + reg |= WM9081_DAC_MUTE; + else + reg &= ~WM9081_DAC_MUTE; + + wm9081_write(codec, WM9081_DAC_DIGITAL_2, reg); + + return 0; +} + +static int wm9081_set_sysclk(struct snd_soc_dai *codec_dai, + int clk_id, unsigned int freq, int dir) +{ + struct snd_soc_codec *codec = codec_dai->codec; + struct wm9081_priv *wm9081 = codec->private_data; + + switch (clk_id) { + case WM9081_SYSCLK_MCLK: + case WM9081_SYSCLK_FLL_MCLK: + wm9081->sysclk_source = clk_id; + wm9081->mclk_rate = freq; + break; + + default: + return -EINVAL; + } + + return 0; +} + +static int wm9081_set_tdm_slot(struct snd_soc_dai *dai, + unsigned int mask, int slots) +{ + struct snd_soc_codec *codec = dai->codec; + unsigned int aif1 = wm9081_read(codec, WM9081_AUDIO_INTERFACE_1); + + aif1 &= ~(WM9081_AIFDAC_TDM_SLOT_MASK | WM9081_AIFDAC_TDM_MODE_MASK); + + if (slots < 1 || slots > 4) + return -EINVAL; + + aif1 |= (slots - 1) << WM9081_AIFDAC_TDM_MODE_SHIFT; + + switch (mask) { + case 1: + break; + case 2: + aif1 |= 0x10; + break; + case 4: + aif1 |= 0x20; + break; + case 8: + aif1 |= 0x30; + break; + default: + return -EINVAL; + } + + wm9081_write(codec, WM9081_AUDIO_INTERFACE_1, aif1); + + return 0; +} + +#define WM9081_RATES SNDRV_PCM_RATE_8000_96000 + +#define WM9081_FORMATS \ + (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \ + SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE) + +static struct snd_soc_dai_ops wm9081_dai_ops = { + .hw_params = wm9081_hw_params, + .set_sysclk = wm9081_set_sysclk, + .set_fmt = wm9081_set_dai_fmt, + .digital_mute = wm9081_digital_mute, + .set_tdm_slot = wm9081_set_tdm_slot, +}; + +/* We report two channels because the CODEC processes a stereo signal, even + * though it is only capable of handling a mono output. + */ +struct snd_soc_dai wm9081_dai = { + .name = "WM9081", + .playback = { + .stream_name = "HiFi Playback", + .channels_min = 1, + .channels_max = 2, + .rates = WM9081_RATES, + .formats = WM9081_FORMATS, + }, + .ops = &wm9081_dai_ops, +}; +EXPORT_SYMBOL_GPL(wm9081_dai); + + +static struct snd_soc_codec *wm9081_codec; + +static int wm9081_probe(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec; + struct wm9081_priv *wm9081; + int ret = 0; + + if (wm9081_codec == NULL) { + dev_err(&pdev->dev, "Codec device not registered\n"); + return -ENODEV; + } + + socdev->card->codec = wm9081_codec; + codec = wm9081_codec; + wm9081 = codec->private_data; + + /* register pcms */ + ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1); + if (ret < 0) { + dev_err(codec->dev, "failed to create pcms: %d\n", ret); + goto pcm_err; + } + + snd_soc_add_controls(codec, wm9081_snd_controls, + ARRAY_SIZE(wm9081_snd_controls)); + if (!wm9081->retune) { + dev_dbg(codec->dev, + "No ReTune Mobile data, using normal EQ\n"); + snd_soc_add_controls(codec, wm9081_eq_controls, + ARRAY_SIZE(wm9081_eq_controls)); + } + + snd_soc_dapm_new_controls(codec, wm9081_dapm_widgets, + ARRAY_SIZE(wm9081_dapm_widgets)); + snd_soc_dapm_add_routes(codec, audio_paths, ARRAY_SIZE(audio_paths)); + snd_soc_dapm_new_widgets(codec); + + ret = snd_soc_init_card(socdev); + if (ret < 0) { + dev_err(codec->dev, "failed to register card: %d\n", ret); + goto card_err; + } + + return ret; + +card_err: + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); +pcm_err: + return ret; +} + +static int wm9081_remove(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + + snd_soc_free_pcms(socdev); + snd_soc_dapm_free(socdev); + + return 0; +} + +#ifdef CONFIG_PM +static int wm9081_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->card->codec; + + wm9081_set_bias_level(codec, SND_SOC_BIAS_OFF); + + return 0; +} + +static int wm9081_resume(struct platform_device *pdev) +{ + struct snd_soc_device *socdev = platform_get_drvdata(pdev); + struct snd_soc_codec *codec = socdev->card->codec; + u16 *reg_cache = codec->reg_cache; + int i; + + for (i = 0; i < codec->reg_cache_size; i++) { + if (i == WM9081_SOFTWARE_RESET) + continue; + + wm9081_write(codec, i, reg_cache[i]); + } + + wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + + return 0; +} +#else +#define wm9081_suspend NULL +#define wm9081_resume NULL +#endif + +struct snd_soc_codec_device soc_codec_dev_wm9081 = { + .probe = wm9081_probe, + .remove = wm9081_remove, + .suspend = wm9081_suspend, + .resume = wm9081_resume, +}; +EXPORT_SYMBOL_GPL(soc_codec_dev_wm9081); + +static int wm9081_register(struct wm9081_priv *wm9081) +{ + struct snd_soc_codec *codec = &wm9081->codec; + int ret; + u16 reg; + + if (wm9081_codec) { + dev_err(codec->dev, "Another WM9081 is registered\n"); + ret = -EINVAL; + goto err; + } + + mutex_init(&codec->mutex); + INIT_LIST_HEAD(&codec->dapm_widgets); + INIT_LIST_HEAD(&codec->dapm_paths); + + codec->private_data = wm9081; + codec->name = "WM9081"; + codec->owner = THIS_MODULE; + codec->read = wm9081_read; + codec->write = wm9081_write; + codec->dai = &wm9081_dai; + codec->num_dai = 1; + codec->reg_cache_size = ARRAY_SIZE(wm9081->reg_cache); + codec->reg_cache = &wm9081->reg_cache; + codec->bias_level = SND_SOC_BIAS_OFF; + codec->set_bias_level = wm9081_set_bias_level; + + memcpy(codec->reg_cache, wm9081_reg_defaults, + sizeof(wm9081_reg_defaults)); + + reg = wm9081_read_hw(codec, WM9081_SOFTWARE_RESET); + if (reg != 0x9081) { + dev_err(codec->dev, "Device is not a WM9081: ID=0x%x\n", reg); + ret = -EINVAL; + goto err; + } + + ret = wm9081_reset(codec); + if (ret < 0) { + dev_err(codec->dev, "Failed to issue reset\n"); + return ret; + } + + wm9081_set_bias_level(codec, SND_SOC_BIAS_STANDBY); + + /* Enable zero cross by default */ + reg = wm9081_read(codec, WM9081_ANALOGUE_LINEOUT); + wm9081_write(codec, WM9081_ANALOGUE_LINEOUT, reg | WM9081_LINEOUTZC); + reg = wm9081_read(codec, WM9081_ANALOGUE_SPEAKER_PGA); + wm9081_write(codec, WM9081_ANALOGUE_SPEAKER_PGA, + reg | WM9081_SPKPGAZC); + + wm9081_dai.dev = codec->dev; + + wm9081_codec = codec; + + ret = snd_soc_register_codec(codec); + if (ret != 0) { + dev_err(codec->dev, "Failed to register codec: %d\n", ret); + return ret; + } + + ret = snd_soc_register_dai(&wm9081_dai); + if (ret != 0) { + dev_err(codec->dev, "Failed to register DAI: %d\n", ret); + snd_soc_unregister_codec(codec); + return ret; + } + + return 0; + +err: + kfree(wm9081); + return ret; +} + +static void wm9081_unregister(struct wm9081_priv *wm9081) +{ + wm9081_set_bias_level(&wm9081->codec, SND_SOC_BIAS_OFF); + snd_soc_unregister_dai(&wm9081_dai); + snd_soc_unregister_codec(&wm9081->codec); + kfree(wm9081); + wm9081_codec = NULL; +} + +static __devinit int wm9081_i2c_probe(struct i2c_client *i2c, + const struct i2c_device_id *id) +{ + struct wm9081_priv *wm9081; + struct snd_soc_codec *codec; + + wm9081 = kzalloc(sizeof(struct wm9081_priv), GFP_KERNEL); + if (wm9081 == NULL) + return -ENOMEM; + + codec = &wm9081->codec; + codec->hw_write = (hw_write_t)i2c_master_send; + wm9081->retune = i2c->dev.platform_data; + + i2c_set_clientdata(i2c, wm9081); + codec->control_data = i2c; + + codec->dev = &i2c->dev; + + return wm9081_register(wm9081); +} + +static __devexit int wm9081_i2c_remove(struct i2c_client *client) +{ + struct wm9081_priv *wm9081 = i2c_get_clientdata(client); + wm9081_unregister(wm9081); + return 0; +} + +static const struct i2c_device_id wm9081_i2c_id[] = { + { "wm9081", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, wm9081_i2c_id); + +static struct i2c_driver wm9081_i2c_driver = { + .driver = { + .name = "wm9081", + .owner = THIS_MODULE, + }, + .probe = wm9081_i2c_probe, + .remove = __devexit_p(wm9081_i2c_remove), + .id_table = wm9081_i2c_id, +}; + +static int __init wm9081_modinit(void) +{ + int ret; + + ret = i2c_add_driver(&wm9081_i2c_driver); + if (ret != 0) { + printk(KERN_ERR "Failed to register WM9081 I2C driver: %d\n", + ret); + } + + return ret; +} +module_init(wm9081_modinit); + +static void __exit wm9081_exit(void) +{ + i2c_del_driver(&wm9081_i2c_driver); +} +module_exit(wm9081_exit); + + +MODULE_DESCRIPTION("ASoC WM9081 driver"); +MODULE_AUTHOR("Mark Brown "); +MODULE_LICENSE("GPL"); diff --git a/sound/soc/codecs/wm9081.h b/sound/soc/codecs/wm9081.h new file mode 100644 index 000000000000..42d3bc757021 --- /dev/null +++ b/sound/soc/codecs/wm9081.h @@ -0,0 +1,787 @@ +#ifndef WM9081_H +#define WM9081_H + +/* + * wm9081.c -- WM9081 ALSA SoC Audio driver + * + * Author: Mark Brown + * + * Copyright 2009 Wolfson Microelectronics plc + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include + +extern struct snd_soc_dai wm9081_dai; +extern struct snd_soc_codec_device soc_codec_dev_wm9081; + +/* + * SYSCLK sources + */ +#define WM9081_SYSCLK_MCLK 1 /* Use MCLK without FLL */ +#define WM9081_SYSCLK_FLL_MCLK 2 /* Use MCLK, enabling FLL if required */ + +/* + * Register values. + */ +#define WM9081_SOFTWARE_RESET 0x00 +#define WM9081_ANALOGUE_LINEOUT 0x02 +#define WM9081_ANALOGUE_SPEAKER_PGA 0x03 +#define WM9081_VMID_CONTROL 0x04 +#define WM9081_BIAS_CONTROL_1 0x05 +#define WM9081_ANALOGUE_MIXER 0x07 +#define WM9081_ANTI_POP_CONTROL 0x08 +#define WM9081_ANALOGUE_SPEAKER_1 0x09 +#define WM9081_ANALOGUE_SPEAKER_2 0x0A +#define WM9081_POWER_MANAGEMENT 0x0B +#define WM9081_CLOCK_CONTROL_1 0x0C +#define WM9081_CLOCK_CONTROL_2 0x0D +#define WM9081_CLOCK_CONTROL_3 0x0E +#define WM9081_FLL_CONTROL_1 0x10 +#define WM9081_FLL_CONTROL_2 0x11 +#define WM9081_FLL_CONTROL_3 0x12 +#define WM9081_FLL_CONTROL_4 0x13 +#define WM9081_FLL_CONTROL_5 0x14 +#define WM9081_AUDIO_INTERFACE_1 0x16 +#define WM9081_AUDIO_INTERFACE_2 0x17 +#define WM9081_AUDIO_INTERFACE_3 0x18 +#define WM9081_AUDIO_INTERFACE_4 0x19 +#define WM9081_INTERRUPT_STATUS 0x1A +#define WM9081_INTERRUPT_STATUS_MASK 0x1B +#define WM9081_INTERRUPT_POLARITY 0x1C +#define WM9081_INTERRUPT_CONTROL 0x1D +#define WM9081_DAC_DIGITAL_1 0x1E +#define WM9081_DAC_DIGITAL_2 0x1F +#define WM9081_DRC_1 0x20 +#define WM9081_DRC_2 0x21 +#define WM9081_DRC_3 0x22 +#define WM9081_DRC_4 0x23 +#define WM9081_WRITE_SEQUENCER_1 0x26 +#define WM9081_WRITE_SEQUENCER_2 0x27 +#define WM9081_MW_SLAVE_1 0x28 +#define WM9081_EQ_1 0x2A +#define WM9081_EQ_2 0x2B +#define WM9081_EQ_3 0x2C +#define WM9081_EQ_4 0x2D +#define WM9081_EQ_5 0x2E +#define WM9081_EQ_6 0x2F +#define WM9081_EQ_7 0x30 +#define WM9081_EQ_8 0x31 +#define WM9081_EQ_9 0x32 +#define WM9081_EQ_10 0x33 +#define WM9081_EQ_11 0x34 +#define WM9081_EQ_12 0x35 +#define WM9081_EQ_13 0x36 +#define WM9081_EQ_14 0x37 +#define WM9081_EQ_15 0x38 +#define WM9081_EQ_16 0x39 +#define WM9081_EQ_17 0x3A +#define WM9081_EQ_18 0x3B +#define WM9081_EQ_19 0x3C +#define WM9081_EQ_20 0x3D + +#define WM9081_REGISTER_COUNT 55 +#define WM9081_MAX_REGISTER 0x3D + +/* + * Field Definitions. + */ + +/* + * R0 (0x00) - Software Reset + */ +#define WM9081_SW_RST_DEV_ID1_MASK 0xFFFF /* SW_RST_DEV_ID1 - [15:0] */ +#define WM9081_SW_RST_DEV_ID1_SHIFT 0 /* SW_RST_DEV_ID1 - [15:0] */ +#define WM9081_SW_RST_DEV_ID1_WIDTH 16 /* SW_RST_DEV_ID1 - [15:0] */ + +/* + * R2 (0x02) - Analogue Lineout + */ +#define WM9081_LINEOUT_MUTE 0x0080 /* LINEOUT_MUTE */ +#define WM9081_LINEOUT_MUTE_MASK 0x0080 /* LINEOUT_MUTE */ +#define WM9081_LINEOUT_MUTE_SHIFT 7 /* LINEOUT_MUTE */ +#define WM9081_LINEOUT_MUTE_WIDTH 1 /* LINEOUT_MUTE */ +#define WM9081_LINEOUTZC 0x0040 /* LINEOUTZC */ +#define WM9081_LINEOUTZC_MASK 0x0040 /* LINEOUTZC */ +#define WM9081_LINEOUTZC_SHIFT 6 /* LINEOUTZC */ +#define WM9081_LINEOUTZC_WIDTH 1 /* LINEOUTZC */ +#define WM9081_LINEOUT_VOL_MASK 0x003F /* LINEOUT_VOL - [5:0] */ +#define WM9081_LINEOUT_VOL_SHIFT 0 /* LINEOUT_VOL - [5:0] */ +#define WM9081_LINEOUT_VOL_WIDTH 6 /* LINEOUT_VOL - [5:0] */ + +/* + * R3 (0x03) - Analogue Speaker PGA + */ +#define WM9081_SPKPGA_MUTE 0x0080 /* SPKPGA_MUTE */ +#define WM9081_SPKPGA_MUTE_MASK 0x0080 /* SPKPGA_MUTE */ +#define WM9081_SPKPGA_MUTE_SHIFT 7 /* SPKPGA_MUTE */ +#define WM9081_SPKPGA_MUTE_WIDTH 1 /* SPKPGA_MUTE */ +#define WM9081_SPKPGAZC 0x0040 /* SPKPGAZC */ +#define WM9081_SPKPGAZC_MASK 0x0040 /* SPKPGAZC */ +#define WM9081_SPKPGAZC_SHIFT 6 /* SPKPGAZC */ +#define WM9081_SPKPGAZC_WIDTH 1 /* SPKPGAZC */ +#define WM9081_SPKPGA_VOL_MASK 0x003F /* SPKPGA_VOL - [5:0] */ +#define WM9081_SPKPGA_VOL_SHIFT 0 /* SPKPGA_VOL - [5:0] */ +#define WM9081_SPKPGA_VOL_WIDTH 6 /* SPKPGA_VOL - [5:0] */ + +/* + * R4 (0x04) - VMID Control + */ +#define WM9081_VMID_BUF_ENA 0x0020 /* VMID_BUF_ENA */ +#define WM9081_VMID_BUF_ENA_MASK 0x0020 /* VMID_BUF_ENA */ +#define WM9081_VMID_BUF_ENA_SHIFT 5 /* VMID_BUF_ENA */ +#define WM9081_VMID_BUF_ENA_WIDTH 1 /* VMID_BUF_ENA */ +#define WM9081_VMID_RAMP 0x0008 /* VMID_RAMP */ +#define WM9081_VMID_RAMP_MASK 0x0008 /* VMID_RAMP */ +#define WM9081_VMID_RAMP_SHIFT 3 /* VMID_RAMP */ +#define WM9081_VMID_RAMP_WIDTH 1 /* VMID_RAMP */ +#define WM9081_VMID_SEL_MASK 0x0006 /* VMID_SEL - [2:1] */ +#define WM9081_VMID_SEL_SHIFT 1 /* VMID_SEL - [2:1] */ +#define WM9081_VMID_SEL_WIDTH 2 /* VMID_SEL - [2:1] */ +#define WM9081_VMID_FAST_ST 0x0001 /* VMID_FAST_ST */ +#define WM9081_VMID_FAST_ST_MASK 0x0001 /* VMID_FAST_ST */ +#define WM9081_VMID_FAST_ST_SHIFT 0 /* VMID_FAST_ST */ +#define WM9081_VMID_FAST_ST_WIDTH 1 /* VMID_FAST_ST */ + +/* + * R5 (0x05) - Bias Control 1 + */ +#define WM9081_BIAS_SRC 0x0040 /* BIAS_SRC */ +#define WM9081_BIAS_SRC_MASK 0x0040 /* BIAS_SRC */ +#define WM9081_BIAS_SRC_SHIFT 6 /* BIAS_SRC */ +#define WM9081_BIAS_SRC_WIDTH 1 /* BIAS_SRC */ +#define WM9081_STBY_BIAS_LVL 0x0020 /* STBY_BIAS_LVL */ +#define WM9081_STBY_BIAS_LVL_MASK 0x0020 /* STBY_BIAS_LVL */ +#define WM9081_STBY_BIAS_LVL_SHIFT 5 /* STBY_BIAS_LVL */ +#define WM9081_STBY_BIAS_LVL_WIDTH 1 /* STBY_BIAS_LVL */ +#define WM9081_STBY_BIAS_ENA 0x0010 /* STBY_BIAS_ENA */ +#define WM9081_STBY_BIAS_ENA_MASK 0x0010 /* STBY_BIAS_ENA */ +#define WM9081_STBY_BIAS_ENA_SHIFT 4 /* STBY_BIAS_ENA */ +#define WM9081_STBY_BIAS_ENA_WIDTH 1 /* STBY_BIAS_ENA */ +#define WM9081_BIAS_LVL_MASK 0x000C /* BIAS_LVL - [3:2] */ +#define WM9081_BIAS_LVL_SHIFT 2 /* BIAS_LVL - [3:2] */ +#define WM9081_BIAS_LVL_WIDTH 2 /* BIAS_LVL - [3:2] */ +#define WM9081_BIAS_ENA 0x0002 /* BIAS_ENA */ +#define WM9081_BIAS_ENA_MASK 0x0002 /* BIAS_ENA */ +#define WM9081_BIAS_ENA_SHIFT 1 /* BIAS_ENA */ +#define WM9081_BIAS_ENA_WIDTH 1 /* BIAS_ENA */ +#define WM9081_STARTUP_BIAS_ENA 0x0001 /* STARTUP_BIAS_ENA */ +#define WM9081_STARTUP_BIAS_ENA_MASK 0x0001 /* STARTUP_BIAS_ENA */ +#define WM9081_STARTUP_BIAS_ENA_SHIFT 0 /* STARTUP_BIAS_ENA */ +#define WM9081_STARTUP_BIAS_ENA_WIDTH 1 /* STARTUP_BIAS_ENA */ + +/* + * R7 (0x07) - Analogue Mixer + */ +#define WM9081_DAC_SEL 0x0010 /* DAC_SEL */ +#define WM9081_DAC_SEL_MASK 0x0010 /* DAC_SEL */ +#define WM9081_DAC_SEL_SHIFT 4 /* DAC_SEL */ +#define WM9081_DAC_SEL_WIDTH 1 /* DAC_SEL */ +#define WM9081_IN2_VOL 0x0008 /* IN2_VOL */ +#define WM9081_IN2_VOL_MASK 0x0008 /* IN2_VOL */ +#define WM9081_IN2_VOL_SHIFT 3 /* IN2_VOL */ +#define WM9081_IN2_VOL_WIDTH 1 /* IN2_VOL */ +#define WM9081_IN2_ENA 0x0004 /* IN2_ENA */ +#define WM9081_IN2_ENA_MASK 0x0004 /* IN2_ENA */ +#define WM9081_IN2_ENA_SHIFT 2 /* IN2_ENA */ +#define WM9081_IN2_ENA_WIDTH 1 /* IN2_ENA */ +#define WM9081_IN1_VOL 0x0002 /* IN1_VOL */ +#define WM9081_IN1_VOL_MASK 0x0002 /* IN1_VOL */ +#define WM9081_IN1_VOL_SHIFT 1 /* IN1_VOL */ +#define WM9081_IN1_VOL_WIDTH 1 /* IN1_VOL */ +#define WM9081_IN1_ENA 0x0001 /* IN1_ENA */ +#define WM9081_IN1_ENA_MASK 0x0001 /* IN1_ENA */ +#define WM9081_IN1_ENA_SHIFT 0 /* IN1_ENA */ +#define WM9081_IN1_ENA_WIDTH 1 /* IN1_ENA */ + +/* + * R8 (0x08) - Anti Pop Control + */ +#define WM9081_LINEOUT_DISCH 0x0004 /* LINEOUT_DISCH */ +#define WM9081_LINEOUT_DISCH_MASK 0x0004 /* LINEOUT_DISCH */ +#define WM9081_LINEOUT_DISCH_SHIFT 2 /* LINEOUT_DISCH */ +#define WM9081_LINEOUT_DISCH_WIDTH 1 /* LINEOUT_DISCH */ +#define WM9081_LINEOUT_VROI 0x0002 /* LINEOUT_VROI */ +#define WM9081_LINEOUT_VROI_MASK 0x0002 /* LINEOUT_VROI */ +#define WM9081_LINEOUT_VROI_SHIFT 1 /* LINEOUT_VROI */ +#define WM9081_LINEOUT_VROI_WIDTH 1 /* LINEOUT_VROI */ +#define WM9081_LINEOUT_CLAMP 0x0001 /* LINEOUT_CLAMP */ +#define WM9081_LINEOUT_CLAMP_MASK 0x0001 /* LINEOUT_CLAMP */ +#define WM9081_LINEOUT_CLAMP_SHIFT 0 /* LINEOUT_CLAMP */ +#define WM9081_LINEOUT_CLAMP_WIDTH 1 /* LINEOUT_CLAMP */ + +/* + * R9 (0x09) - Analogue Speaker 1 + */ +#define WM9081_SPK_DCGAIN_MASK 0x0038 /* SPK_DCGAIN - [5:3] */ +#define WM9081_SPK_DCGAIN_SHIFT 3 /* SPK_DCGAIN - [5:3] */ +#define WM9081_SPK_DCGAIN_WIDTH 3 /* SPK_DCGAIN - [5:3] */ +#define WM9081_SPK_ACGAIN_MASK 0x0007 /* SPK_ACGAIN - [2:0] */ +#define WM9081_SPK_ACGAIN_SHIFT 0 /* SPK_ACGAIN - [2:0] */ +#define WM9081_SPK_ACGAIN_WIDTH 3 /* SPK_ACGAIN - [2:0] */ + +/* + * R10 (0x0A) - Analogue Speaker 2 + */ +#define WM9081_SPK_MODE 0x0040 /* SPK_MODE */ +#define WM9081_SPK_MODE_MASK 0x0040 /* SPK_MODE */ +#define WM9081_SPK_MODE_SHIFT 6 /* SPK_MODE */ +#define WM9081_SPK_MODE_WIDTH 1 /* SPK_MODE */ +#define WM9081_SPK_INV_MUTE 0x0010 /* SPK_INV_MUTE */ +#define WM9081_SPK_INV_MUTE_MASK 0x0010 /* SPK_INV_MUTE */ +#define WM9081_SPK_INV_MUTE_SHIFT 4 /* SPK_INV_MUTE */ +#define WM9081_SPK_INV_MUTE_WIDTH 1 /* SPK_INV_MUTE */ +#define WM9081_OUT_SPK_CTRL 0x0008 /* OUT_SPK_CTRL */ +#define WM9081_OUT_SPK_CTRL_MASK 0x0008 /* OUT_SPK_CTRL */ +#define WM9081_OUT_SPK_CTRL_SHIFT 3 /* OUT_SPK_CTRL */ +#define WM9081_OUT_SPK_CTRL_WIDTH 1 /* OUT_SPK_CTRL */ + +/* + * R11 (0x0B) - Power Management + */ +#define WM9081_TSHUT_ENA 0x0100 /* TSHUT_ENA */ +#define WM9081_TSHUT_ENA_MASK 0x0100 /* TSHUT_ENA */ +#define WM9081_TSHUT_ENA_SHIFT 8 /* TSHUT_ENA */ +#define WM9081_TSHUT_ENA_WIDTH 1 /* TSHUT_ENA */ +#define WM9081_TSENSE_ENA 0x0080 /* TSENSE_ENA */ +#define WM9081_TSENSE_ENA_MASK 0x0080 /* TSENSE_ENA */ +#define WM9081_TSENSE_ENA_SHIFT 7 /* TSENSE_ENA */ +#define WM9081_TSENSE_ENA_WIDTH 1 /* TSENSE_ENA */ +#define WM9081_TEMP_SHUT 0x0040 /* TEMP_SHUT */ +#define WM9081_TEMP_SHUT_MASK 0x0040 /* TEMP_SHUT */ +#define WM9081_TEMP_SHUT_SHIFT 6 /* TEMP_SHUT */ +#define WM9081_TEMP_SHUT_WIDTH 1 /* TEMP_SHUT */ +#define WM9081_LINEOUT_ENA 0x0010 /* LINEOUT_ENA */ +#define WM9081_LINEOUT_ENA_MASK 0x0010 /* LINEOUT_ENA */ +#define WM9081_LINEOUT_ENA_SHIFT 4 /* LINEOUT_ENA */ +#define WM9081_LINEOUT_ENA_WIDTH 1 /* LINEOUT_ENA */ +#define WM9081_SPKPGA_ENA 0x0004 /* SPKPGA_ENA */ +#define WM9081_SPKPGA_ENA_MASK 0x0004 /* SPKPGA_ENA */ +#define WM9081_SPKPGA_ENA_SHIFT 2 /* SPKPGA_ENA */ +#define WM9081_SPKPGA_ENA_WIDTH 1 /* SPKPGA_ENA */ +#define WM9081_SPK_ENA 0x0002 /* SPK_ENA */ +#define WM9081_SPK_ENA_MASK 0x0002 /* SPK_ENA */ +#define WM9081_SPK_ENA_SHIFT 1 /* SPK_ENA */ +#define WM9081_SPK_ENA_WIDTH 1 /* SPK_ENA */ +#define WM9081_DAC_ENA 0x0001 /* DAC_ENA */ +#define WM9081_DAC_ENA_MASK 0x0001 /* DAC_ENA */ +#define WM9081_DAC_ENA_SHIFT 0 /* DAC_ENA */ +#define WM9081_DAC_ENA_WIDTH 1 /* DAC_ENA */ + +/* + * R12 (0x0C) - Clock Control 1 + */ +#define WM9081_CLK_OP_DIV_MASK 0x1C00 /* CLK_OP_DIV - [12:10] */ +#define WM9081_CLK_OP_DIV_SHIFT 10 /* CLK_OP_DIV - [12:10] */ +#define WM9081_CLK_OP_DIV_WIDTH 3 /* CLK_OP_DIV - [12:10] */ +#define WM9081_CLK_TO_DIV_MASK 0x0300 /* CLK_TO_DIV - [9:8] */ +#define WM9081_CLK_TO_DIV_SHIFT 8 /* CLK_TO_DIV - [9:8] */ +#define WM9081_CLK_TO_DIV_WIDTH 2 /* CLK_TO_DIV - [9:8] */ +#define WM9081_MCLKDIV2 0x0080 /* MCLKDIV2 */ +#define WM9081_MCLKDIV2_MASK 0x0080 /* MCLKDIV2 */ +#define WM9081_MCLKDIV2_SHIFT 7 /* MCLKDIV2 */ +#define WM9081_MCLKDIV2_WIDTH 1 /* MCLKDIV2 */ + +/* + * R13 (0x0D) - Clock Control 2 + */ +#define WM9081_CLK_SYS_RATE_MASK 0x00F0 /* CLK_SYS_RATE - [7:4] */ +#define WM9081_CLK_SYS_RATE_SHIFT 4 /* CLK_SYS_RATE - [7:4] */ +#define WM9081_CLK_SYS_RATE_WIDTH 4 /* CLK_SYS_RATE - [7:4] */ +#define WM9081_SAMPLE_RATE_MASK 0x000F /* SAMPLE_RATE - [3:0] */ +#define WM9081_SAMPLE_RATE_SHIFT 0 /* SAMPLE_RATE - [3:0] */ +#define WM9081_SAMPLE_RATE_WIDTH 4 /* SAMPLE_RATE - [3:0] */ + +/* + * R14 (0x0E) - Clock Control 3 + */ +#define WM9081_CLK_SRC_SEL 0x2000 /* CLK_SRC_SEL */ +#define WM9081_CLK_SRC_SEL_MASK 0x2000 /* CLK_SRC_SEL */ +#define WM9081_CLK_SRC_SEL_SHIFT 13 /* CLK_SRC_SEL */ +#define WM9081_CLK_SRC_SEL_WIDTH 1 /* CLK_SRC_SEL */ +#define WM9081_CLK_OP_ENA 0x0020 /* CLK_OP_ENA */ +#define WM9081_CLK_OP_ENA_MASK 0x0020 /* CLK_OP_ENA */ +#define WM9081_CLK_OP_ENA_SHIFT 5 /* CLK_OP_ENA */ +#define WM9081_CLK_OP_ENA_WIDTH 1 /* CLK_OP_ENA */ +#define WM9081_CLK_TO_ENA 0x0004 /* CLK_TO_ENA */ +#define WM9081_CLK_TO_ENA_MASK 0x0004 /* CLK_TO_ENA */ +#define WM9081_CLK_TO_ENA_SHIFT 2 /* CLK_TO_ENA */ +#define WM9081_CLK_TO_ENA_WIDTH 1 /* CLK_TO_ENA */ +#define WM9081_CLK_DSP_ENA 0x0002 /* CLK_DSP_ENA */ +#define WM9081_CLK_DSP_ENA_MASK 0x0002 /* CLK_DSP_ENA */ +#define WM9081_CLK_DSP_ENA_SHIFT 1 /* CLK_DSP_ENA */ +#define WM9081_CLK_DSP_ENA_WIDTH 1 /* CLK_DSP_ENA */ +#define WM9081_CLK_SYS_ENA 0x0001 /* CLK_SYS_ENA */ +#define WM9081_CLK_SYS_ENA_MASK 0x0001 /* CLK_SYS_ENA */ +#define WM9081_CLK_SYS_ENA_SHIFT 0 /* CLK_SYS_ENA */ +#define WM9081_CLK_SYS_ENA_WIDTH 1 /* CLK_SYS_ENA */ + +/* + * R16 (0x10) - FLL Control 1 + */ +#define WM9081_FLL_HOLD 0x0008 /* FLL_HOLD */ +#define WM9081_FLL_HOLD_MASK 0x0008 /* FLL_HOLD */ +#define WM9081_FLL_HOLD_SHIFT 3 /* FLL_HOLD */ +#define WM9081_FLL_HOLD_WIDTH 1 /* FLL_HOLD */ +#define WM9081_FLL_FRAC 0x0004 /* FLL_FRAC */ +#define WM9081_FLL_FRAC_MASK 0x0004 /* FLL_FRAC */ +#define WM9081_FLL_FRAC_SHIFT 2 /* FLL_FRAC */ +#define WM9081_FLL_FRAC_WIDTH 1 /* FLL_FRAC */ +#define WM9081_FLL_ENA 0x0001 /* FLL_ENA */ +#define WM9081_FLL_ENA_MASK 0x0001 /* FLL_ENA */ +#define WM9081_FLL_ENA_SHIFT 0 /* FLL_ENA */ +#define WM9081_FLL_ENA_WIDTH 1 /* FLL_ENA */ + +/* + * R17 (0x11) - FLL Control 2 + */ +#define WM9081_FLL_OUTDIV_MASK 0x0700 /* FLL_OUTDIV - [10:8] */ +#define WM9081_FLL_OUTDIV_SHIFT 8 /* FLL_OUTDIV - [10:8] */ +#define WM9081_FLL_OUTDIV_WIDTH 3 /* FLL_OUTDIV - [10:8] */ +#define WM9081_FLL_CTRL_RATE_MASK 0x0070 /* FLL_CTRL_RATE - [6:4] */ +#define WM9081_FLL_CTRL_RATE_SHIFT 4 /* FLL_CTRL_RATE - [6:4] */ +#define WM9081_FLL_CTRL_RATE_WIDTH 3 /* FLL_CTRL_RATE - [6:4] */ +#define WM9081_FLL_FRATIO_MASK 0x0007 /* FLL_FRATIO - [2:0] */ +#define WM9081_FLL_FRATIO_SHIFT 0 /* FLL_FRATIO - [2:0] */ +#define WM9081_FLL_FRATIO_WIDTH 3 /* FLL_FRATIO - [2:0] */ + +/* + * R18 (0x12) - FLL Control 3 + */ +#define WM9081_FLL_K_MASK 0xFFFF /* FLL_K - [15:0] */ +#define WM9081_FLL_K_SHIFT 0 /* FLL_K - [15:0] */ +#define WM9081_FLL_K_WIDTH 16 /* FLL_K - [15:0] */ + +/* + * R19 (0x13) - FLL Control 4 + */ +#define WM9081_FLL_N_MASK 0x7FE0 /* FLL_N - [14:5] */ +#define WM9081_FLL_N_SHIFT 5 /* FLL_N - [14:5] */ +#define WM9081_FLL_N_WIDTH 10 /* FLL_N - [14:5] */ +#define WM9081_FLL_GAIN_MASK 0x000F /* FLL_GAIN - [3:0] */ +#define WM9081_FLL_GAIN_SHIFT 0 /* FLL_GAIN - [3:0] */ +#define WM9081_FLL_GAIN_WIDTH 4 /* FLL_GAIN - [3:0] */ + +/* + * R20 (0x14) - FLL Control 5 + */ +#define WM9081_FLL_CLK_REF_DIV_MASK 0x0018 /* FLL_CLK_REF_DIV - [4:3] */ +#define WM9081_FLL_CLK_REF_DIV_SHIFT 3 /* FLL_CLK_REF_DIV - [4:3] */ +#define WM9081_FLL_CLK_REF_DIV_WIDTH 2 /* FLL_CLK_REF_DIV - [4:3] */ +#define WM9081_FLL_CLK_SRC_MASK 0x0003 /* FLL_CLK_SRC - [1:0] */ +#define WM9081_FLL_CLK_SRC_SHIFT 0 /* FLL_CLK_SRC - [1:0] */ +#define WM9081_FLL_CLK_SRC_WIDTH 2 /* FLL_CLK_SRC - [1:0] */ + +/* + * R22 (0x16) - Audio Interface 1 + */ +#define WM9081_AIFDAC_CHAN 0x0040 /* AIFDAC_CHAN */ +#define WM9081_AIFDAC_CHAN_MASK 0x0040 /* AIFDAC_CHAN */ +#define WM9081_AIFDAC_CHAN_SHIFT 6 /* AIFDAC_CHAN */ +#define WM9081_AIFDAC_CHAN_WIDTH 1 /* AIFDAC_CHAN */ +#define WM9081_AIFDAC_TDM_SLOT_MASK 0x0030 /* AIFDAC_TDM_SLOT - [5:4] */ +#define WM9081_AIFDAC_TDM_SLOT_SHIFT 4 /* AIFDAC_TDM_SLOT - [5:4] */ +#define WM9081_AIFDAC_TDM_SLOT_WIDTH 2 /* AIFDAC_TDM_SLOT - [5:4] */ +#define WM9081_AIFDAC_TDM_MODE_MASK 0x000C /* AIFDAC_TDM_MODE - [3:2] */ +#define WM9081_AIFDAC_TDM_MODE_SHIFT 2 /* AIFDAC_TDM_MODE - [3:2] */ +#define WM9081_AIFDAC_TDM_MODE_WIDTH 2 /* AIFDAC_TDM_MODE - [3:2] */ +#define WM9081_DAC_COMP 0x0002 /* DAC_COMP */ +#define WM9081_DAC_COMP_MASK 0x0002 /* DAC_COMP */ +#define WM9081_DAC_COMP_SHIFT 1 /* DAC_COMP */ +#define WM9081_DAC_COMP_WIDTH 1 /* DAC_COMP */ +#define WM9081_DAC_COMPMODE 0x0001 /* DAC_COMPMODE */ +#define WM9081_DAC_COMPMODE_MASK 0x0001 /* DAC_COMPMODE */ +#define WM9081_DAC_COMPMODE_SHIFT 0 /* DAC_COMPMODE */ +#define WM9081_DAC_COMPMODE_WIDTH 1 /* DAC_COMPMODE */ + +/* + * R23 (0x17) - Audio Interface 2 + */ +#define WM9081_AIF_TRIS 0x0200 /* AIF_TRIS */ +#define WM9081_AIF_TRIS_MASK 0x0200 /* AIF_TRIS */ +#define WM9081_AIF_TRIS_SHIFT 9 /* AIF_TRIS */ +#define WM9081_AIF_TRIS_WIDTH 1 /* AIF_TRIS */ +#define WM9081_DAC_DAT_INV 0x0100 /* DAC_DAT_INV */ +#define WM9081_DAC_DAT_INV_MASK 0x0100 /* DAC_DAT_INV */ +#define WM9081_DAC_DAT_INV_SHIFT 8 /* DAC_DAT_INV */ +#define WM9081_DAC_DAT_INV_WIDTH 1 /* DAC_DAT_INV */ +#define WM9081_AIF_BCLK_INV 0x0080 /* AIF_BCLK_INV */ +#define WM9081_AIF_BCLK_INV_MASK 0x0080 /* AIF_BCLK_INV */ +#define WM9081_AIF_BCLK_INV_SHIFT 7 /* AIF_BCLK_INV */ +#define WM9081_AIF_BCLK_INV_WIDTH 1 /* AIF_BCLK_INV */ +#define WM9081_BCLK_DIR 0x0040 /* BCLK_DIR */ +#define WM9081_BCLK_DIR_MASK 0x0040 /* BCLK_DIR */ +#define WM9081_BCLK_DIR_SHIFT 6 /* BCLK_DIR */ +#define WM9081_BCLK_DIR_WIDTH 1 /* BCLK_DIR */ +#define WM9081_LRCLK_DIR 0x0020 /* LRCLK_DIR */ +#define WM9081_LRCLK_DIR_MASK 0x0020 /* LRCLK_DIR */ +#define WM9081_LRCLK_DIR_SHIFT 5 /* LRCLK_DIR */ +#define WM9081_LRCLK_DIR_WIDTH 1 /* LRCLK_DIR */ +#define WM9081_AIF_LRCLK_INV 0x0010 /* AIF_LRCLK_INV */ +#define WM9081_AIF_LRCLK_INV_MASK 0x0010 /* AIF_LRCLK_INV */ +#define WM9081_AIF_LRCLK_INV_SHIFT 4 /* AIF_LRCLK_INV */ +#define WM9081_AIF_LRCLK_INV_WIDTH 1 /* AIF_LRCLK_INV */ +#define WM9081_AIF_WL_MASK 0x000C /* AIF_WL - [3:2] */ +#define WM9081_AIF_WL_SHIFT 2 /* AIF_WL - [3:2] */ +#define WM9081_AIF_WL_WIDTH 2 /* AIF_WL - [3:2] */ +#define WM9081_AIF_FMT_MASK 0x0003 /* AIF_FMT - [1:0] */ +#define WM9081_AIF_FMT_SHIFT 0 /* AIF_FMT - [1:0] */ +#define WM9081_AIF_FMT_WIDTH 2 /* AIF_FMT - [1:0] */ + +/* + * R24 (0x18) - Audio Interface 3 + */ +#define WM9081_BCLK_DIV_MASK 0x001F /* BCLK_DIV - [4:0] */ +#define WM9081_BCLK_DIV_SHIFT 0 /* BCLK_DIV - [4:0] */ +#define WM9081_BCLK_DIV_WIDTH 5 /* BCLK_DIV - [4:0] */ + +/* + * R25 (0x19) - Audio Interface 4 + */ +#define WM9081_LRCLK_RATE_MASK 0x07FF /* LRCLK_RATE - [10:0] */ +#define WM9081_LRCLK_RATE_SHIFT 0 /* LRCLK_RATE - [10:0] */ +#define WM9081_LRCLK_RATE_WIDTH 11 /* LRCLK_RATE - [10:0] */ + +/* + * R26 (0x1A) - Interrupt Status + */ +#define WM9081_WSEQ_BUSY_EINT 0x0004 /* WSEQ_BUSY_EINT */ +#define WM9081_WSEQ_BUSY_EINT_MASK 0x0004 /* WSEQ_BUSY_EINT */ +#define WM9081_WSEQ_BUSY_EINT_SHIFT 2 /* WSEQ_BUSY_EINT */ +#define WM9081_WSEQ_BUSY_EINT_WIDTH 1 /* WSEQ_BUSY_EINT */ +#define WM9081_TSHUT_EINT 0x0001 /* TSHUT_EINT */ +#define WM9081_TSHUT_EINT_MASK 0x0001 /* TSHUT_EINT */ +#define WM9081_TSHUT_EINT_SHIFT 0 /* TSHUT_EINT */ +#define WM9081_TSHUT_EINT_WIDTH 1 /* TSHUT_EINT */ + +/* + * R27 (0x1B) - Interrupt Status Mask + */ +#define WM9081_IM_WSEQ_BUSY_EINT 0x0004 /* IM_WSEQ_BUSY_EINT */ +#define WM9081_IM_WSEQ_BUSY_EINT_MASK 0x0004 /* IM_WSEQ_BUSY_EINT */ +#define WM9081_IM_WSEQ_BUSY_EINT_SHIFT 2 /* IM_WSEQ_BUSY_EINT */ +#define WM9081_IM_WSEQ_BUSY_EINT_WIDTH 1 /* IM_WSEQ_BUSY_EINT */ +#define WM9081_IM_TSHUT_EINT 0x0001 /* IM_TSHUT_EINT */ +#define WM9081_IM_TSHUT_EINT_MASK 0x0001 /* IM_TSHUT_EINT */ +#define WM9081_IM_TSHUT_EINT_SHIFT 0 /* IM_TSHUT_EINT */ +#define WM9081_IM_TSHUT_EINT_WIDTH 1 /* IM_TSHUT_EINT */ + +/* + * R28 (0x1C) - Interrupt Polarity + */ +#define WM9081_TSHUT_INV 0x0001 /* TSHUT_INV */ +#define WM9081_TSHUT_INV_MASK 0x0001 /* TSHUT_INV */ +#define WM9081_TSHUT_INV_SHIFT 0 /* TSHUT_INV */ +#define WM9081_TSHUT_INV_WIDTH 1 /* TSHUT_INV */ + +/* + * R29 (0x1D) - Interrupt Control + */ +#define WM9081_IRQ_POL 0x8000 /* IRQ_POL */ +#define WM9081_IRQ_POL_MASK 0x8000 /* IRQ_POL */ +#define WM9081_IRQ_POL_SHIFT 15 /* IRQ_POL */ +#define WM9081_IRQ_POL_WIDTH 1 /* IRQ_POL */ +#define WM9081_IRQ_OP_CTRL 0x0001 /* IRQ_OP_CTRL */ +#define WM9081_IRQ_OP_CTRL_MASK 0x0001 /* IRQ_OP_CTRL */ +#define WM9081_IRQ_OP_CTRL_SHIFT 0 /* IRQ_OP_CTRL */ +#define WM9081_IRQ_OP_CTRL_WIDTH 1 /* IRQ_OP_CTRL */ + +/* + * R30 (0x1E) - DAC Digital 1 + */ +#define WM9081_DAC_VOL_MASK 0x00FF /* DAC_VOL - [7:0] */ +#define WM9081_DAC_VOL_SHIFT 0 /* DAC_VOL - [7:0] */ +#define WM9081_DAC_VOL_WIDTH 8 /* DAC_VOL - [7:0] */ + +/* + * R31 (0x1F) - DAC Digital 2 + */ +#define WM9081_DAC_MUTERATE 0x0400 /* DAC_MUTERATE */ +#define WM9081_DAC_MUTERATE_MASK 0x0400 /* DAC_MUTERATE */ +#define WM9081_DAC_MUTERATE_SHIFT 10 /* DAC_MUTERATE */ +#define WM9081_DAC_MUTERATE_WIDTH 1 /* DAC_MUTERATE */ +#define WM9081_DAC_MUTEMODE 0x0200 /* DAC_MUTEMODE */ +#define WM9081_DAC_MUTEMODE_MASK 0x0200 /* DAC_MUTEMODE */ +#define WM9081_DAC_MUTEMODE_SHIFT 9 /* DAC_MUTEMODE */ +#define WM9081_DAC_MUTEMODE_WIDTH 1 /* DAC_MUTEMODE */ +#define WM9081_DAC_MUTE 0x0008 /* DAC_MUTE */ +#define WM9081_DAC_MUTE_MASK 0x0008 /* DAC_MUTE */ +#define WM9081_DAC_MUTE_SHIFT 3 /* DAC_MUTE */ +#define WM9081_DAC_MUTE_WIDTH 1 /* DAC_MUTE */ +#define WM9081_DEEMPH_MASK 0x0006 /* DEEMPH - [2:1] */ +#define WM9081_DEEMPH_SHIFT 1 /* DEEMPH - [2:1] */ +#define WM9081_DEEMPH_WIDTH 2 /* DEEMPH - [2:1] */ + +/* + * R32 (0x20) - DRC 1 + */ +#define WM9081_DRC_ENA 0x8000 /* DRC_ENA */ +#define WM9081_DRC_ENA_MASK 0x8000 /* DRC_ENA */ +#define WM9081_DRC_ENA_SHIFT 15 /* DRC_ENA */ +#define WM9081_DRC_ENA_WIDTH 1 /* DRC_ENA */ +#define WM9081_DRC_STARTUP_GAIN_MASK 0x07C0 /* DRC_STARTUP_GAIN - [10:6] */ +#define WM9081_DRC_STARTUP_GAIN_SHIFT 6 /* DRC_STARTUP_GAIN - [10:6] */ +#define WM9081_DRC_STARTUP_GAIN_WIDTH 5 /* DRC_STARTUP_GAIN - [10:6] */ +#define WM9081_DRC_FF_DLY 0x0020 /* DRC_FF_DLY */ +#define WM9081_DRC_FF_DLY_MASK 0x0020 /* DRC_FF_DLY */ +#define WM9081_DRC_FF_DLY_SHIFT 5 /* DRC_FF_DLY */ +#define WM9081_DRC_FF_DLY_WIDTH 1 /* DRC_FF_DLY */ +#define WM9081_DRC_QR 0x0004 /* DRC_QR */ +#define WM9081_DRC_QR_MASK 0x0004 /* DRC_QR */ +#define WM9081_DRC_QR_SHIFT 2 /* DRC_QR */ +#define WM9081_DRC_QR_WIDTH 1 /* DRC_QR */ +#define WM9081_DRC_ANTICLIP 0x0002 /* DRC_ANTICLIP */ +#define WM9081_DRC_ANTICLIP_MASK 0x0002 /* DRC_ANTICLIP */ +#define WM9081_DRC_ANTICLIP_SHIFT 1 /* DRC_ANTICLIP */ +#define WM9081_DRC_ANTICLIP_WIDTH 1 /* DRC_ANTICLIP */ + +/* + * R33 (0x21) - DRC 2 + */ +#define WM9081_DRC_ATK_MASK 0xF000 /* DRC_ATK - [15:12] */ +#define WM9081_DRC_ATK_SHIFT 12 /* DRC_ATK - [15:12] */ +#define WM9081_DRC_ATK_WIDTH 4 /* DRC_ATK - [15:12] */ +#define WM9081_DRC_DCY_MASK 0x0F00 /* DRC_DCY - [11:8] */ +#define WM9081_DRC_DCY_SHIFT 8 /* DRC_DCY - [11:8] */ +#define WM9081_DRC_DCY_WIDTH 4 /* DRC_DCY - [11:8] */ +#define WM9081_DRC_QR_THR_MASK 0x00C0 /* DRC_QR_THR - [7:6] */ +#define WM9081_DRC_QR_THR_SHIFT 6 /* DRC_QR_THR - [7:6] */ +#define WM9081_DRC_QR_THR_WIDTH 2 /* DRC_QR_THR - [7:6] */ +#define WM9081_DRC_QR_DCY_MASK 0x0030 /* DRC_QR_DCY - [5:4] */ +#define WM9081_DRC_QR_DCY_SHIFT 4 /* DRC_QR_DCY - [5:4] */ +#define WM9081_DRC_QR_DCY_WIDTH 2 /* DRC_QR_DCY - [5:4] */ +#define WM9081_DRC_MINGAIN_MASK 0x000C /* DRC_MINGAIN - [3:2] */ +#define WM9081_DRC_MINGAIN_SHIFT 2 /* DRC_MINGAIN - [3:2] */ +#define WM9081_DRC_MINGAIN_WIDTH 2 /* DRC_MINGAIN - [3:2] */ +#define WM9081_DRC_MAXGAIN_MASK 0x0003 /* DRC_MAXGAIN - [1:0] */ +#define WM9081_DRC_MAXGAIN_SHIFT 0 /* DRC_MAXGAIN - [1:0] */ +#define WM9081_DRC_MAXGAIN_WIDTH 2 /* DRC_MAXGAIN - [1:0] */ + +/* + * R34 (0x22) - DRC 3 + */ +#define WM9081_DRC_HI_COMP_MASK 0x0038 /* DRC_HI_COMP - [5:3] */ +#define WM9081_DRC_HI_COMP_SHIFT 3 /* DRC_HI_COMP - [5:3] */ +#define WM9081_DRC_HI_COMP_WIDTH 3 /* DRC_HI_COMP - [5:3] */ +#define WM9081_DRC_LO_COMP_MASK 0x0007 /* DRC_LO_COMP - [2:0] */ +#define WM9081_DRC_LO_COMP_SHIFT 0 /* DRC_LO_COMP - [2:0] */ +#define WM9081_DRC_LO_COMP_WIDTH 3 /* DRC_LO_COMP - [2:0] */ + +/* + * R35 (0x23) - DRC 4 + */ +#define WM9081_DRC_KNEE_IP_MASK 0x07E0 /* DRC_KNEE_IP - [10:5] */ +#define WM9081_DRC_KNEE_IP_SHIFT 5 /* DRC_KNEE_IP - [10:5] */ +#define WM9081_DRC_KNEE_IP_WIDTH 6 /* DRC_KNEE_IP - [10:5] */ +#define WM9081_DRC_KNEE_OP_MASK 0x001F /* DRC_KNEE_OP - [4:0] */ +#define WM9081_DRC_KNEE_OP_SHIFT 0 /* DRC_KNEE_OP - [4:0] */ +#define WM9081_DRC_KNEE_OP_WIDTH 5 /* DRC_KNEE_OP - [4:0] */ + +/* + * R38 (0x26) - Write Sequencer 1 + */ +#define WM9081_WSEQ_ENA 0x8000 /* WSEQ_ENA */ +#define WM9081_WSEQ_ENA_MASK 0x8000 /* WSEQ_ENA */ +#define WM9081_WSEQ_ENA_SHIFT 15 /* WSEQ_ENA */ +#define WM9081_WSEQ_ENA_WIDTH 1 /* WSEQ_ENA */ +#define WM9081_WSEQ_ABORT 0x0200 /* WSEQ_ABORT */ +#define WM9081_WSEQ_ABORT_MASK 0x0200 /* WSEQ_ABORT */ +#define WM9081_WSEQ_ABORT_SHIFT 9 /* WSEQ_ABORT */ +#define WM9081_WSEQ_ABORT_WIDTH 1 /* WSEQ_ABORT */ +#define WM9081_WSEQ_START 0x0100 /* WSEQ_START */ +#define WM9081_WSEQ_START_MASK 0x0100 /* WSEQ_START */ +#define WM9081_WSEQ_START_SHIFT 8 /* WSEQ_START */ +#define WM9081_WSEQ_START_WIDTH 1 /* WSEQ_START */ +#define WM9081_WSEQ_START_INDEX_MASK 0x007F /* WSEQ_START_INDEX - [6:0] */ +#define WM9081_WSEQ_START_INDEX_SHIFT 0 /* WSEQ_START_INDEX - [6:0] */ +#define WM9081_WSEQ_START_INDEX_WIDTH 7 /* WSEQ_START_INDEX - [6:0] */ + +/* + * R39 (0x27) - Write Sequencer 2 + */ +#define WM9081_WSEQ_CURRENT_INDEX_MASK 0x07F0 /* WSEQ_CURRENT_INDEX - [10:4] */ +#define WM9081_WSEQ_CURRENT_INDEX_SHIFT 4 /* WSEQ_CURRENT_INDEX - [10:4] */ +#define WM9081_WSEQ_CURRENT_INDEX_WIDTH 7 /* WSEQ_CURRENT_INDEX - [10:4] */ +#define WM9081_WSEQ_BUSY 0x0001 /* WSEQ_BUSY */ +#define WM9081_WSEQ_BUSY_MASK 0x0001 /* WSEQ_BUSY */ +#define WM9081_WSEQ_BUSY_SHIFT 0 /* WSEQ_BUSY */ +#define WM9081_WSEQ_BUSY_WIDTH 1 /* WSEQ_BUSY */ + +/* + * R40 (0x28) - MW Slave 1 + */ +#define WM9081_SPI_CFG 0x0020 /* SPI_CFG */ +#define WM9081_SPI_CFG_MASK 0x0020 /* SPI_CFG */ +#define WM9081_SPI_CFG_SHIFT 5 /* SPI_CFG */ +#define WM9081_SPI_CFG_WIDTH 1 /* SPI_CFG */ +#define WM9081_SPI_4WIRE 0x0010 /* SPI_4WIRE */ +#define WM9081_SPI_4WIRE_MASK 0x0010 /* SPI_4WIRE */ +#define WM9081_SPI_4WIRE_SHIFT 4 /* SPI_4WIRE */ +#define WM9081_SPI_4WIRE_WIDTH 1 /* SPI_4WIRE */ +#define WM9081_ARA_ENA 0x0008 /* ARA_ENA */ +#define WM9081_ARA_ENA_MASK 0x0008 /* ARA_ENA */ +#define WM9081_ARA_ENA_SHIFT 3 /* ARA_ENA */ +#define WM9081_ARA_ENA_WIDTH 1 /* ARA_ENA */ +#define WM9081_AUTO_INC 0x0002 /* AUTO_INC */ +#define WM9081_AUTO_INC_MASK 0x0002 /* AUTO_INC */ +#define WM9081_AUTO_INC_SHIFT 1 /* AUTO_INC */ +#define WM9081_AUTO_INC_WIDTH 1 /* AUTO_INC */ + +/* + * R42 (0x2A) - EQ 1 + */ +#define WM9081_EQ_B1_GAIN_MASK 0xF800 /* EQ_B1_GAIN - [15:11] */ +#define WM9081_EQ_B1_GAIN_SHIFT 11 /* EQ_B1_GAIN - [15:11] */ +#define WM9081_EQ_B1_GAIN_WIDTH 5 /* EQ_B1_GAIN - [15:11] */ +#define WM9081_EQ_B2_GAIN_MASK 0x07C0 /* EQ_B2_GAIN - [10:6] */ +#define WM9081_EQ_B2_GAIN_SHIFT 6 /* EQ_B2_GAIN - [10:6] */ +#define WM9081_EQ_B2_GAIN_WIDTH 5 /* EQ_B2_GAIN - [10:6] */ +#define WM9081_EQ_B4_GAIN_MASK 0x003E /* EQ_B4_GAIN - [5:1] */ +#define WM9081_EQ_B4_GAIN_SHIFT 1 /* EQ_B4_GAIN - [5:1] */ +#define WM9081_EQ_B4_GAIN_WIDTH 5 /* EQ_B4_GAIN - [5:1] */ +#define WM9081_EQ_ENA 0x0001 /* EQ_ENA */ +#define WM9081_EQ_ENA_MASK 0x0001 /* EQ_ENA */ +#define WM9081_EQ_ENA_SHIFT 0 /* EQ_ENA */ +#define WM9081_EQ_ENA_WIDTH 1 /* EQ_ENA */ + +/* + * R43 (0x2B) - EQ 2 + */ +#define WM9081_EQ_B3_GAIN_MASK 0xF800 /* EQ_B3_GAIN - [15:11] */ +#define WM9081_EQ_B3_GAIN_SHIFT 11 /* EQ_B3_GAIN - [15:11] */ +#define WM9081_EQ_B3_GAIN_WIDTH 5 /* EQ_B3_GAIN - [15:11] */ +#define WM9081_EQ_B5_GAIN_MASK 0x07C0 /* EQ_B5_GAIN - [10:6] */ +#define WM9081_EQ_B5_GAIN_SHIFT 6 /* EQ_B5_GAIN - [10:6] */ +#define WM9081_EQ_B5_GAIN_WIDTH 5 /* EQ_B5_GAIN - [10:6] */ + +/* + * R44 (0x2C) - EQ 3 + */ +#define WM9081_EQ_B1_A_MASK 0xFFFF /* EQ_B1_A - [15:0] */ +#define WM9081_EQ_B1_A_SHIFT 0 /* EQ_B1_A - [15:0] */ +#define WM9081_EQ_B1_A_WIDTH 16 /* EQ_B1_A - [15:0] */ + +/* + * R45 (0x2D) - EQ 4 + */ +#define WM9081_EQ_B1_B_MASK 0xFFFF /* EQ_B1_B - [15:0] */ +#define WM9081_EQ_B1_B_SHIFT 0 /* EQ_B1_B - [15:0] */ +#define WM9081_EQ_B1_B_WIDTH 16 /* EQ_B1_B - [15:0] */ + +/* + * R46 (0x2E) - EQ 5 + */ +#define WM9081_EQ_B1_PG_MASK 0xFFFF /* EQ_B1_PG - [15:0] */ +#define WM9081_EQ_B1_PG_SHIFT 0 /* EQ_B1_PG - [15:0] */ +#define WM9081_EQ_B1_PG_WIDTH 16 /* EQ_B1_PG - [15:0] */ + +/* + * R47 (0x2F) - EQ 6 + */ +#define WM9081_EQ_B2_A_MASK 0xFFFF /* EQ_B2_A - [15:0] */ +#define WM9081_EQ_B2_A_SHIFT 0 /* EQ_B2_A - [15:0] */ +#define WM9081_EQ_B2_A_WIDTH 16 /* EQ_B2_A - [15:0] */ + +/* + * R48 (0x30) - EQ 7 + */ +#define WM9081_EQ_B2_B_MASK 0xFFFF /* EQ_B2_B - [15:0] */ +#define WM9081_EQ_B2_B_SHIFT 0 /* EQ_B2_B - [15:0] */ +#define WM9081_EQ_B2_B_WIDTH 16 /* EQ_B2_B - [15:0] */ + +/* + * R49 (0x31) - EQ 8 + */ +#define WM9081_EQ_B2_C_MASK 0xFFFF /* EQ_B2_C - [15:0] */ +#define WM9081_EQ_B2_C_SHIFT 0 /* EQ_B2_C - [15:0] */ +#define WM9081_EQ_B2_C_WIDTH 16 /* EQ_B2_C - [15:0] */ + +/* + * R50 (0x32) - EQ 9 + */ +#define WM9081_EQ_B2_PG_MASK 0xFFFF /* EQ_B2_PG - [15:0] */ +#define WM9081_EQ_B2_PG_SHIFT 0 /* EQ_B2_PG - [15:0] */ +#define WM9081_EQ_B2_PG_WIDTH 16 /* EQ_B2_PG - [15:0] */ + +/* + * R51 (0x33) - EQ 10 + */ +#define WM9081_EQ_B4_A_MASK 0xFFFF /* EQ_B4_A - [15:0] */ +#define WM9081_EQ_B4_A_SHIFT 0 /* EQ_B4_A - [15:0] */ +#define WM9081_EQ_B4_A_WIDTH 16 /* EQ_B4_A - [15:0] */ + +/* + * R52 (0x34) - EQ 11 + */ +#define WM9081_EQ_B4_B_MASK 0xFFFF /* EQ_B4_B - [15:0] */ +#define WM9081_EQ_B4_B_SHIFT 0 /* EQ_B4_B - [15:0] */ +#define WM9081_EQ_B4_B_WIDTH 16 /* EQ_B4_B - [15:0] */ + +/* + * R53 (0x35) - EQ 12 + */ +#define WM9081_EQ_B4_C_MASK 0xFFFF /* EQ_B4_C - [15:0] */ +#define WM9081_EQ_B4_C_SHIFT 0 /* EQ_B4_C - [15:0] */ +#define WM9081_EQ_B4_C_WIDTH 16 /* EQ_B4_C - [15:0] */ + +/* + * R54 (0x36) - EQ 13 + */ +#define WM9081_EQ_B4_PG_MASK 0xFFFF /* EQ_B4_PG - [15:0] */ +#define WM9081_EQ_B4_PG_SHIFT 0 /* EQ_B4_PG - [15:0] */ +#define WM9081_EQ_B4_PG_WIDTH 16 /* EQ_B4_PG - [15:0] */ + +/* + * R55 (0x37) - EQ 14 + */ +#define WM9081_EQ_B3_A_MASK 0xFFFF /* EQ_B3_A - [15:0] */ +#define WM9081_EQ_B3_A_SHIFT 0 /* EQ_B3_A - [15:0] */ +#define WM9081_EQ_B3_A_WIDTH 16 /* EQ_B3_A - [15:0] */ + +/* + * R56 (0x38) - EQ 15 + */ +#define WM9081_EQ_B3_B_MASK 0xFFFF /* EQ_B3_B - [15:0] */ +#define WM9081_EQ_B3_B_SHIFT 0 /* EQ_B3_B - [15:0] */ +#define WM9081_EQ_B3_B_WIDTH 16 /* EQ_B3_B - [15:0] */ + +/* + * R57 (0x39) - EQ 16 + */ +#define WM9081_EQ_B3_C_MASK 0xFFFF /* EQ_B3_C - [15:0] */ +#define WM9081_EQ_B3_C_SHIFT 0 /* EQ_B3_C - [15:0] */ +#define WM9081_EQ_B3_C_WIDTH 16 /* EQ_B3_C - [15:0] */ + +/* + * R58 (0x3A) - EQ 17 + */ +#define WM9081_EQ_B3_PG_MASK 0xFFFF /* EQ_B3_PG - [15:0] */ +#define WM9081_EQ_B3_PG_SHIFT 0 /* EQ_B3_PG - [15:0] */ +#define WM9081_EQ_B3_PG_WIDTH 16 /* EQ_B3_PG - [15:0] */ + +/* + * R59 (0x3B) - EQ 18 + */ +#define WM9081_EQ_B5_A_MASK 0xFFFF /* EQ_B5_A - [15:0] */ +#define WM9081_EQ_B5_A_SHIFT 0 /* EQ_B5_A - [15:0] */ +#define WM9081_EQ_B5_A_WIDTH 16 /* EQ_B5_A - [15:0] */ + +/* + * R60 (0x3C) - EQ 19 + */ +#define WM9081_EQ_B5_B_MASK 0xFFFF /* EQ_B5_B - [15:0] */ +#define WM9081_EQ_B5_B_SHIFT 0 /* EQ_B5_B - [15:0] */ +#define WM9081_EQ_B5_B_WIDTH 16 /* EQ_B5_B - [15:0] */ + +/* + * R61 (0x3D) - EQ 20 + */ +#define WM9081_EQ_B5_PG_MASK 0xFFFF /* EQ_B5_PG - [15:0] */ +#define WM9081_EQ_B5_PG_SHIFT 0 /* EQ_B5_PG - [15:0] */ +#define WM9081_EQ_B5_PG_WIDTH 16 /* EQ_B5_PG - [15:0] */ + + +#endif -- cgit v1.2.3 From 10eb0f013c63c71c82ede77945a5f390c10cfda6 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 13 May 2009 17:57:38 -0500 Subject: [SCSI] iscsi: pass ep connect shost When we create the tcp/ip connection by calling ep_connect, we currently just go by the routing table info. I think there are two problems with this. 1. Some drivers do not have access to a routing table. Some drivers like qla4xxx do not even know about other ports. 2. If you have two initiator ports on the same subnet, the user may have set things up so that session1 was supposed to be run through port1. and session2 was supposed to be run through port2. It looks like we could end with both sessions going through one of the ports. Fixes for cxgb3i from Karen Xie. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/infiniband/ulp/iser/iscsi_iser.c | 3 +- drivers/scsi/cxgb3i/cxgb3i.h | 1 - drivers/scsi/cxgb3i/cxgb3i_iscsi.c | 25 +++++++++++++--- drivers/scsi/cxgb3i/cxgb3i_offload.c | 23 ++++++++------ drivers/scsi/cxgb3i/cxgb3i_offload.h | 3 +- drivers/scsi/scsi_transport_iscsi.c | 51 +++++++++++++++++++++++++------- include/scsi/iscsi_if.h | 7 ++++- include/scsi/scsi_transport_iscsi.h | 3 +- 8 files changed, 87 insertions(+), 29 deletions(-) (limited to 'include') diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index 75223f50de58..ffbe0c76bc11 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -517,7 +517,8 @@ iscsi_iser_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *s } static struct iscsi_endpoint * -iscsi_iser_ep_connect(struct sockaddr *dst_addr, int non_blocking) +iscsi_iser_ep_connect(struct Scsi_Host *shost, struct sockaddr *dst_addr, + int non_blocking) { int err; struct iser_conn *ib_conn; diff --git a/drivers/scsi/cxgb3i/cxgb3i.h b/drivers/scsi/cxgb3i/cxgb3i.h index 59b0958d2d11..e3133b58e594 100644 --- a/drivers/scsi/cxgb3i/cxgb3i.h +++ b/drivers/scsi/cxgb3i/cxgb3i.h @@ -144,7 +144,6 @@ struct cxgb3i_adapter *cxgb3i_adapter_find_by_tdev(struct t3cdev *); void cxgb3i_adapter_open(struct t3cdev *); void cxgb3i_adapter_close(struct t3cdev *); -struct cxgb3i_hba *cxgb3i_hba_find_by_netdev(struct net_device *); struct cxgb3i_hba *cxgb3i_hba_host_add(struct cxgb3i_adapter *, struct net_device *); void cxgb3i_hba_host_remove(struct cxgb3i_hba *); diff --git a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c index 9212400b9b13..04a43744aedf 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_iscsi.c +++ b/drivers/scsi/cxgb3i/cxgb3i_iscsi.c @@ -178,7 +178,7 @@ void cxgb3i_adapter_close(struct t3cdev *t3dev) * cxgb3i_hba_find_by_netdev - find the cxgb3i_hba structure via net_device * @t3dev: t3cdev adapter */ -struct cxgb3i_hba *cxgb3i_hba_find_by_netdev(struct net_device *ndev) +static struct cxgb3i_hba *cxgb3i_hba_find_by_netdev(struct net_device *ndev) { struct cxgb3i_adapter *snic; int i; @@ -261,20 +261,27 @@ void cxgb3i_hba_host_remove(struct cxgb3i_hba *hba) /** * cxgb3i_ep_connect - establish TCP connection to target portal + * @shost: scsi host to use * @dst_addr: target IP address * @non_blocking: blocking or non-blocking call * * Initiates a TCP/IP connection to the dst_addr */ -static struct iscsi_endpoint *cxgb3i_ep_connect(struct sockaddr *dst_addr, +static struct iscsi_endpoint *cxgb3i_ep_connect(struct Scsi_Host *shost, + struct sockaddr *dst_addr, int non_blocking) { struct iscsi_endpoint *ep; struct cxgb3i_endpoint *cep; - struct cxgb3i_hba *hba; + struct cxgb3i_hba *hba = NULL; struct s3_conn *c3cn = NULL; int err = 0; + if (shost) + hba = iscsi_host_priv(shost); + + cxgb3i_api_debug("shost 0x%p, hba 0x%p.\n", shost, hba); + c3cn = cxgb3i_c3cn_create(); if (!c3cn) { cxgb3i_log_info("ep connect OOM.\n"); @@ -282,17 +289,27 @@ static struct iscsi_endpoint *cxgb3i_ep_connect(struct sockaddr *dst_addr, goto release_conn; } - err = cxgb3i_c3cn_connect(c3cn, (struct sockaddr_in *)dst_addr); + err = cxgb3i_c3cn_connect(hba ? hba->ndev : NULL, c3cn, + (struct sockaddr_in *)dst_addr); if (err < 0) { cxgb3i_log_info("ep connect failed.\n"); goto release_conn; } + hba = cxgb3i_hba_find_by_netdev(c3cn->dst_cache->dev); if (!hba) { err = -ENOSPC; cxgb3i_log_info("NOT going through cxgbi device.\n"); goto release_conn; } + + if (shost && hba != iscsi_host_priv(shost)) { + err = -ENOSPC; + cxgb3i_log_info("Could not connect through request host%u\n", + shost->host_no); + goto release_conn; + } + if (c3cn_is_closing(c3cn)) { err = -ENOSPC; cxgb3i_log_info("ep connect unable to connect.\n"); diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.c b/drivers/scsi/cxgb3i/cxgb3i_offload.c index e11c9c180f39..c1d5be4adf9c 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_offload.c +++ b/drivers/scsi/cxgb3i/cxgb3i_offload.c @@ -1479,12 +1479,13 @@ static struct net_device *cxgb3_egress_dev(struct net_device *root_dev, return NULL; } -static struct rtable *find_route(__be32 saddr, __be32 daddr, +static struct rtable *find_route(struct net_device *dev, + __be32 saddr, __be32 daddr, __be16 sport, __be16 dport) { struct rtable *rt; struct flowi fl = { - .oif = 0, + .oif = dev ? dev->ifindex : 0, .nl_u = { .ip4_u = { .daddr = daddr, @@ -1573,36 +1574,40 @@ out_err: * * return 0 if active open request is sent, < 0 otherwise. */ -int cxgb3i_c3cn_connect(struct s3_conn *c3cn, struct sockaddr_in *usin) +int cxgb3i_c3cn_connect(struct net_device *dev, struct s3_conn *c3cn, + struct sockaddr_in *usin) { struct rtable *rt; - struct net_device *dev; struct cxgb3i_sdev_data *cdata; struct t3cdev *cdev; __be32 sipv4; int err; + c3cn_conn_debug("c3cn 0x%p, dev 0x%p.\n", c3cn, dev); + if (usin->sin_family != AF_INET) return -EAFNOSUPPORT; c3cn->daddr.sin_port = usin->sin_port; c3cn->daddr.sin_addr.s_addr = usin->sin_addr.s_addr; - rt = find_route(c3cn->saddr.sin_addr.s_addr, + rt = find_route(dev, c3cn->saddr.sin_addr.s_addr, c3cn->daddr.sin_addr.s_addr, c3cn->saddr.sin_port, c3cn->daddr.sin_port); if (rt == NULL) { - c3cn_conn_debug("NO route to 0x%x, port %u.\n", + c3cn_conn_debug("NO route to 0x%x, port %u, dev %s.\n", c3cn->daddr.sin_addr.s_addr, - ntohs(c3cn->daddr.sin_port)); + ntohs(c3cn->daddr.sin_port), + dev ? dev->name : "any"); return -ENETUNREACH; } if (rt->rt_flags & (RTCF_MULTICAST | RTCF_BROADCAST)) { - c3cn_conn_debug("multi-cast route to 0x%x, port %u.\n", + c3cn_conn_debug("multi-cast route to 0x%x, port %u, dev %s.\n", c3cn->daddr.sin_addr.s_addr, - ntohs(c3cn->daddr.sin_port)); + ntohs(c3cn->daddr.sin_port), + dev ? dev->name : "any"); ip_rt_put(rt); return -ENETUNREACH; } diff --git a/drivers/scsi/cxgb3i/cxgb3i_offload.h b/drivers/scsi/cxgb3i/cxgb3i_offload.h index ebfca960c0a9..6a1d86b1fafe 100644 --- a/drivers/scsi/cxgb3i/cxgb3i_offload.h +++ b/drivers/scsi/cxgb3i/cxgb3i_offload.h @@ -169,7 +169,8 @@ void cxgb3i_sdev_add(struct t3cdev *, struct cxgb3_client *); void cxgb3i_sdev_remove(struct t3cdev *); struct s3_conn *cxgb3i_c3cn_create(void); -int cxgb3i_c3cn_connect(struct s3_conn *, struct sockaddr_in *); +int cxgb3i_c3cn_connect(struct net_device *, struct s3_conn *, + struct sockaddr_in *); void cxgb3i_c3cn_rx_credits(struct s3_conn *, int); int cxgb3i_c3cn_send_pdus(struct s3_conn *, struct sk_buff *); void cxgb3i_c3cn_release(struct s3_conn *); diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 0a2ce7b6325c..d69a53aa406f 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -1268,26 +1268,54 @@ iscsi_set_param(struct iscsi_transport *transport, struct iscsi_uevent *ev) return err; } +static int iscsi_if_ep_connect(struct iscsi_transport *transport, + struct iscsi_uevent *ev, int msg_type) +{ + struct iscsi_endpoint *ep; + struct sockaddr *dst_addr; + struct Scsi_Host *shost = NULL; + int non_blocking, err = 0; + + if (!transport->ep_connect) + return -EINVAL; + + if (msg_type == ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST) { + shost = scsi_host_lookup(ev->u.ep_connect_through_host.host_no); + if (!shost) { + printk(KERN_ERR "ep connect failed. Could not find " + "host no %u\n", + ev->u.ep_connect_through_host.host_no); + return -ENODEV; + } + non_blocking = ev->u.ep_connect_through_host.non_blocking; + } else + non_blocking = ev->u.ep_connect.non_blocking; + + dst_addr = (struct sockaddr *)((char*)ev + sizeof(*ev)); + ep = transport->ep_connect(shost, dst_addr, non_blocking); + if (IS_ERR(ep)) { + err = PTR_ERR(ep); + goto release_host; + } + + ev->r.ep_connect_ret.handle = ep->id; +release_host: + if (shost) + scsi_host_put(shost); + return err; +} + static int iscsi_if_transport_ep(struct iscsi_transport *transport, struct iscsi_uevent *ev, int msg_type) { struct iscsi_endpoint *ep; - struct sockaddr *dst_addr; int rc = 0; switch (msg_type) { + case ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST: case ISCSI_UEVENT_TRANSPORT_EP_CONNECT: - if (!transport->ep_connect) - return -EINVAL; - - dst_addr = (struct sockaddr *)((char*)ev + sizeof(*ev)); - ep = transport->ep_connect(dst_addr, - ev->u.ep_connect.non_blocking); - if (IS_ERR(ep)) - return PTR_ERR(ep); - - ev->r.ep_connect_ret.handle = ep->id; + rc = iscsi_if_ep_connect(transport, ev, msg_type); break; case ISCSI_UEVENT_TRANSPORT_EP_POLL: if (!transport->ep_poll) @@ -1469,6 +1497,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) case ISCSI_UEVENT_TRANSPORT_EP_CONNECT: case ISCSI_UEVENT_TRANSPORT_EP_POLL: case ISCSI_UEVENT_TRANSPORT_EP_DISCONNECT: + case ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST: err = iscsi_if_transport_ep(transport, ev, nlh->nlmsg_type); break; case ISCSI_UEVENT_TGT_DSCVR: diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index d0ed5226f8c4..2c1a4af9eafb 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -50,7 +50,8 @@ enum iscsi_uevent_e { ISCSI_UEVENT_TGT_DSCVR = UEVENT_BASE + 15, ISCSI_UEVENT_SET_HOST_PARAM = UEVENT_BASE + 16, ISCSI_UEVENT_UNBIND_SESSION = UEVENT_BASE + 17, - ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18, + ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18, + ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19, /* up events */ ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1, @@ -131,6 +132,10 @@ struct iscsi_uevent { struct msg_transport_connect { uint32_t non_blocking; } ep_connect; + struct msg_transport_connect_through_host { + uint32_t host_no; + uint32_t non_blocking; + } ep_connect_through_host; struct msg_transport_poll { uint64_t ep_handle; uint32_t timeout_ms; diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 457588e1119b..8cb7a31d9961 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -126,7 +126,8 @@ struct iscsi_transport { int *index, int *age); void (*session_recovery_timedout) (struct iscsi_cls_session *session); - struct iscsi_endpoint *(*ep_connect) (struct sockaddr *dst_addr, + struct iscsi_endpoint *(*ep_connect) (struct Scsi_Host *shost, + struct sockaddr *dst_addr, int non_blocking); int (*ep_poll) (struct iscsi_endpoint *ep, int timeout_ms); void (*ep_disconnect) (struct iscsi_endpoint *ep); -- cgit v1.2.3 From 8f9256cea10ca43ac80f66e176643eb41db34244 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 13 May 2009 17:57:41 -0500 Subject: [SCSI] libiscsi: export iscsi_itt_to_task for bnx2i bnx2i needs to be able to look up mgmt task like login and nop, because it does some processing of them on the completion path. This exports iscsi_itt_to_task so it can look up the task. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/libiscsi.c | 3 ++- include/scsi/libiscsi.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index b4aaf2e5fe7a..a6e6eef04fed 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -828,7 +828,7 @@ static int iscsi_handle_reject(struct iscsi_conn *conn, struct iscsi_hdr *hdr, * * The session lock must be held. */ -static struct iscsi_task *iscsi_itt_to_task(struct iscsi_conn *conn, itt_t itt) +struct iscsi_task *iscsi_itt_to_task(struct iscsi_conn *conn, itt_t itt) { struct iscsi_session *session = conn->session; int i; @@ -845,6 +845,7 @@ static struct iscsi_task *iscsi_itt_to_task(struct iscsi_conn *conn, itt_t itt) return session->cmds[i]; } +EXPORT_SYMBOL_GPL(iscsi_itt_to_task); /** * __iscsi_complete_pdu - complete pdu diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 0289f5745fb9..88d33a46efa5 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -406,6 +406,7 @@ extern int __iscsi_complete_pdu(struct iscsi_conn *, struct iscsi_hdr *, char *, int); extern int iscsi_verify_itt(struct iscsi_conn *, itt_t); extern struct iscsi_task *iscsi_itt_to_ctask(struct iscsi_conn *, itt_t); +extern struct iscsi_task *iscsi_itt_to_task(struct iscsi_conn *, itt_t); extern void iscsi_requeue_task(struct iscsi_task *task); extern void iscsi_put_task(struct iscsi_task *task); extern void __iscsi_get_task(struct iscsi_task *task); -- cgit v1.2.3 From 3bbaaad95fd38dedb7c66a601f14825b4e0c5a59 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 13 May 2009 17:57:46 -0500 Subject: [SCSI] libiscsi: handle cleanup task races bnx2i needs to send a hardware specific cleanup command if a command has not completed normally (iscsi/scsi response from target), and the session is still ok (this is the case when we send a TMF to stop the command). At this time it will need to drop the session lock. The problem with the current code is that fail_all_commands assumes we will hold the lock the entire time, so it uses list_for_each_entry_safe. If while bnx2i drops the session lock multiple cmds complete then list_for_each_entry_safe will not handle this correctly. This patch removes the running lists and just has us loop over the cmds array (in later patches we will then replace that array with a block tag map at the session level). It also fixes up the completion path so that if the TMF code and the normal recv path were completing the same command then they both do not try to do release the refcount taken when the task is queued. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/libiscsi.c | 225 +++++++++++++++++++++++++----------------------- include/scsi/libiscsi.h | 5 +- 2 files changed, 118 insertions(+), 112 deletions(-) (limited to 'include') diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index c648bd328a21..a9d7e520e551 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -109,7 +109,7 @@ iscsi_update_cmdsn(struct iscsi_session *session, struct iscsi_nopin *hdr) * if the window closed with IO queued, then kick the * xmit thread */ - if (!list_empty(&session->leadconn->xmitqueue) || + if (!list_empty(&session->leadconn->cmdqueue) || !list_empty(&session->leadconn->mgmtqueue)) { if (!(session->tt->caps & CAP_DATA_PATH_OFFLOAD)) iscsi_conn_queue_work(session->leadconn); @@ -366,7 +366,6 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task) return -EIO; task->state = ISCSI_TASK_RUNNING; - list_move_tail(&task->running, &conn->run_list); conn->scsicmd_pdus_cnt++; ISCSI_DBG_SESSION(session, "iscsi prep [%s cid %d sc %p cdb 0x%x " @@ -382,26 +381,23 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task) } /** - * iscsi_complete_command - finish a task + * iscsi_free_task - free a task * @task: iscsi cmd task * * Must be called with session lock. * This function returns the scsi command to scsi-ml or cleans * up mgmt tasks then returns the task to the pool. */ -static void iscsi_complete_command(struct iscsi_task *task) +static void iscsi_free_task(struct iscsi_task *task) { struct iscsi_conn *conn = task->conn; struct iscsi_session *session = conn->session; struct scsi_cmnd *sc = task->sc; session->tt->cleanup_task(task); - list_del_init(&task->running); - task->state = ISCSI_TASK_COMPLETED; + task->state = ISCSI_TASK_FREE; task->sc = NULL; - if (conn->task == task) - conn->task = NULL; /* * login task is preallocated so do not free */ @@ -410,9 +406,6 @@ static void iscsi_complete_command(struct iscsi_task *task) __kfifo_put(session->cmdpool.queue, (void*)&task, sizeof(void*)); - if (conn->ping_task == task) - conn->ping_task = NULL; - if (sc) { task->sc = NULL; /* SCSI eh reuses commands to verify us */ @@ -435,7 +428,7 @@ EXPORT_SYMBOL_GPL(__iscsi_get_task); static void __iscsi_put_task(struct iscsi_task *task) { if (atomic_dec_and_test(&task->refcount)) - iscsi_complete_command(task); + iscsi_free_task(task); } void iscsi_put_task(struct iscsi_task *task) @@ -448,14 +441,50 @@ void iscsi_put_task(struct iscsi_task *task) } EXPORT_SYMBOL_GPL(iscsi_put_task); +/** + * iscsi_complete_task - finish a task + * @task: iscsi cmd task + * + * Must be called with session lock. + */ +static void iscsi_complete_task(struct iscsi_task *task) +{ + struct iscsi_conn *conn = task->conn; + + if (task->state == ISCSI_TASK_COMPLETED) + return; + WARN_ON_ONCE(task->state == ISCSI_TASK_FREE); + + task->state = ISCSI_TASK_COMPLETED; + + if (!list_empty(&task->running)) + list_del_init(&task->running); + + if (conn->task == task) + conn->task = NULL; + + if (conn->ping_task == task) + conn->ping_task = NULL; + + /* release get from queueing */ + __iscsi_put_task(task); +} + /* - * session lock must be held + * session lock must be held and if not called for a task that is + * still pending or from the xmit thread, then xmit thread must + * be suspended. */ -static void fail_command(struct iscsi_conn *conn, struct iscsi_task *task, - int err) +static void fail_scsi_task(struct iscsi_task *task, int err) { + struct iscsi_conn *conn = task->conn; struct scsi_cmnd *sc; + /* + * if a command completes and we get a successful tmf response + * we will hit this because the scsi eh abort code does not take + * a ref to the task. + */ sc = task->sc; if (!sc) return; @@ -475,10 +504,7 @@ static void fail_command(struct iscsi_conn *conn, struct iscsi_task *task, scsi_in(sc)->resid = scsi_in(sc)->length; } - if (conn->task == task) - conn->task = NULL; - /* release ref from queuecommand */ - __iscsi_put_task(task); + iscsi_complete_task(task); } static int iscsi_prep_mgmt_task(struct iscsi_conn *conn, @@ -518,7 +544,6 @@ static int iscsi_prep_mgmt_task(struct iscsi_conn *conn, session->state = ISCSI_STATE_LOGGING_OUT; task->state = ISCSI_TASK_RUNNING; - list_move_tail(&task->running, &conn->mgmt_run_list); ISCSI_DBG_SESSION(session, "mgmtpdu [op 0x%x hdr->itt 0x%x " "datalen %d]\n", hdr->opcode & ISCSI_OPCODE_MASK, hdr->itt, task->data_count); @@ -564,6 +589,8 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, atomic_set(&task->refcount, 1); task->conn = conn; task->sc = NULL; + INIT_LIST_HEAD(&task->running); + task->state = ISCSI_TASK_PENDING; if (data_size) { memcpy(task->data, data, data_size); @@ -575,7 +602,7 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, if (conn->session->tt->alloc_pdu(task, hdr->opcode)) { iscsi_conn_printk(KERN_ERR, conn, "Could not allocate " "pdu for mgmt task.\n"); - goto requeue_task; + goto free_task; } } @@ -591,30 +618,22 @@ __iscsi_conn_send_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, task->conn->session->age); } - INIT_LIST_HEAD(&task->running); - list_add_tail(&task->running, &conn->mgmtqueue); - if (session->tt->caps & CAP_DATA_PATH_OFFLOAD) { if (iscsi_prep_mgmt_task(conn, task)) goto free_task; if (session->tt->xmit_task(task)) goto free_task; - - } else + } else { + list_add_tail(&task->running, &conn->mgmtqueue); iscsi_conn_queue_work(conn); + } return task; free_task: __iscsi_put_task(task); return NULL; - -requeue_task: - if (task != conn->login_task) - __kfifo_put(session->cmdpool.queue, (void*)&task, - sizeof(void*)); - return NULL; } int iscsi_conn_send_pdu(struct iscsi_cls_conn *cls_conn, struct iscsi_hdr *hdr, @@ -709,11 +728,10 @@ invalid_datalen: sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status; } out: - ISCSI_DBG_SESSION(session, "done [sc %p res %d itt 0x%x]\n", + ISCSI_DBG_SESSION(session, "cmd rsp done [sc %p res %d itt 0x%x]\n", sc, sc->result, task->itt); conn->scsirsp_pdus_cnt++; - - __iscsi_put_task(task); + iscsi_complete_task(task); } /** @@ -747,8 +765,11 @@ iscsi_data_in_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr, sc->result = (DID_BAD_TARGET << 16) | rhdr->cmd_status; } + ISCSI_DBG_SESSION(conn->session, "data in with status done " + "[sc %p res %d itt 0x%x]\n", + sc, sc->result, task->itt); conn->scsirsp_pdus_cnt++; - __iscsi_put_task(task); + iscsi_complete_task(task); } static void iscsi_tmf_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr) @@ -969,7 +990,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, } iscsi_tmf_rsp(conn, hdr); - __iscsi_put_task(task); + iscsi_complete_task(task); break; case ISCSI_OP_NOOP_IN: iscsi_update_cmdsn(session, (struct iscsi_nopin*)hdr); @@ -987,7 +1008,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, goto recv_pdu; mod_timer(&conn->transport_timer, jiffies + conn->recv_timeout); - __iscsi_put_task(task); + iscsi_complete_task(task); break; default: rc = ISCSI_ERR_BAD_OPCODE; @@ -999,7 +1020,7 @@ out: recv_pdu: if (iscsi_recv_pdu(conn->cls_conn, hdr, data, datalen)) rc = ISCSI_ERR_CONN_FAILED; - __iscsi_put_task(task); + iscsi_complete_task(task); return rc; } EXPORT_SYMBOL_GPL(__iscsi_complete_pdu); @@ -1176,7 +1197,12 @@ void iscsi_requeue_task(struct iscsi_task *task) { struct iscsi_conn *conn = task->conn; - list_move_tail(&task->running, &conn->requeue); + /* + * this may be on the requeue list already if the xmit_task callout + * is handling the r2ts while we are adding new ones + */ + if (list_empty(&task->running)) + list_add_tail(&task->running, &conn->requeue); iscsi_conn_queue_work(conn); } EXPORT_SYMBOL_GPL(iscsi_requeue_task); @@ -1216,6 +1242,7 @@ check_mgmt: while (!list_empty(&conn->mgmtqueue)) { conn->task = list_entry(conn->mgmtqueue.next, struct iscsi_task, running); + list_del_init(&conn->task->running); if (iscsi_prep_mgmt_task(conn, conn->task)) { __iscsi_put_task(conn->task); conn->task = NULL; @@ -1227,23 +1254,26 @@ check_mgmt: } /* process pending command queue */ - while (!list_empty(&conn->xmitqueue)) { + while (!list_empty(&conn->cmdqueue)) { if (conn->tmf_state == TMF_QUEUED) break; - conn->task = list_entry(conn->xmitqueue.next, + conn->task = list_entry(conn->cmdqueue.next, struct iscsi_task, running); + list_del_init(&conn->task->running); if (conn->session->state == ISCSI_STATE_LOGGING_OUT) { - fail_command(conn, conn->task, DID_IMM_RETRY << 16); + fail_scsi_task(conn->task, DID_IMM_RETRY << 16); continue; } rc = iscsi_prep_scsi_cmd_pdu(conn->task); if (rc) { if (rc == -ENOMEM) { + list_add_tail(&conn->task->running, + &conn->cmdqueue); conn->task = NULL; goto again; } else - fail_command(conn, conn->task, DID_ABORT << 16); + fail_scsi_task(conn->task, DID_ABORT << 16); continue; } rc = iscsi_xmit_task(conn); @@ -1270,8 +1300,8 @@ check_mgmt: conn->task = list_entry(conn->requeue.next, struct iscsi_task, running); + list_del_init(&conn->task->running); conn->task->state = ISCSI_TASK_RUNNING; - list_move_tail(conn->requeue.next, &conn->run_list); rc = iscsi_xmit_task(conn); if (rc) goto again; @@ -1412,7 +1442,6 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) reason = FAILURE_OOM; goto reject; } - list_add_tail(&task->running, &conn->xmitqueue); if (session->tt->caps & CAP_DATA_PATH_OFFLOAD) { reason = iscsi_prep_scsi_cmd_pdu(task); @@ -1429,8 +1458,10 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) reason = FAILURE_SESSION_NOT_READY; goto prepd_reject; } - } else + } else { + list_add_tail(&task->running, &conn->cmdqueue); iscsi_conn_queue_work(conn); + } session->queued_cmdsn++; spin_unlock(&session->lock); @@ -1439,7 +1470,7 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) prepd_reject: sc->scsi_done = NULL; - iscsi_complete_command(task); + iscsi_complete_task(task); reject: spin_unlock(&session->lock); ISCSI_DBG_SESSION(session, "cmd 0x%x rejected (%d)\n", @@ -1449,7 +1480,7 @@ reject: prepd_fault: sc->scsi_done = NULL; - iscsi_complete_command(task); + iscsi_complete_task(task); fault: spin_unlock(&session->lock); ISCSI_DBG_SESSION(session, "iscsi: cmd 0x%x is not queued (%d)\n", @@ -1618,44 +1649,24 @@ static int iscsi_exec_task_mgmt_fn(struct iscsi_conn *conn, * Fail commands. session lock held and recv side suspended and xmit * thread flushed */ -static void fail_all_commands(struct iscsi_conn *conn, unsigned lun, - int error) +static void fail_scsi_tasks(struct iscsi_conn *conn, unsigned lun, + int error) { - struct iscsi_task *task, *tmp; - - if (conn->task) { - if (lun == -1 || - (conn->task->sc && conn->task->sc->device->lun == lun)) - conn->task = NULL; - } + struct iscsi_task *task; + int i; - /* flush pending */ - list_for_each_entry_safe(task, tmp, &conn->xmitqueue, running) { - if (lun == task->sc->device->lun || lun == -1) { - ISCSI_DBG_SESSION(conn->session, - "failing pending sc %p itt 0x%x\n", - task->sc, task->itt); - fail_command(conn, task, error << 16); - } - } + for (i = 0; i < conn->session->cmds_max; i++) { + task = conn->session->cmds[i]; + if (!task->sc || task->state == ISCSI_TASK_FREE) + continue; - list_for_each_entry_safe(task, tmp, &conn->requeue, running) { - if (lun == task->sc->device->lun || lun == -1) { - ISCSI_DBG_SESSION(conn->session, - "failing requeued sc %p itt 0x%x\n", - task->sc, task->itt); - fail_command(conn, task, error << 16); - } - } + if (lun != -1 && lun != task->sc->device->lun) + continue; - /* fail all other running */ - list_for_each_entry_safe(task, tmp, &conn->run_list, running) { - if (lun == task->sc->device->lun || lun == -1) { - ISCSI_DBG_SESSION(conn->session, - "failing in progress sc %p itt 0x%x\n", - task->sc, task->itt); - fail_command(conn, task, error << 16); - } + ISCSI_DBG_SESSION(conn->session, + "failing sc %p itt 0x%x state %d\n", + task->sc, task->itt, task->state); + fail_scsi_task(task, error << 16); } } @@ -1859,7 +1870,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) } if (task->state == ISCSI_TASK_PENDING) { - fail_command(conn, task, DID_ABORT << 16); + fail_scsi_task(task, DID_ABORT << 16); goto success; } @@ -1890,7 +1901,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) * then sent more data for the cmd. */ spin_lock(&session->lock); - fail_command(conn, task, DID_ABORT << 16); + fail_scsi_task(task, DID_ABORT << 16); conn->tmf_state = TMF_INITIAL; spin_unlock(&session->lock); iscsi_start_tx(conn); @@ -1997,7 +2008,7 @@ int iscsi_eh_device_reset(struct scsi_cmnd *sc) iscsi_suspend_tx(conn); spin_lock_bh(&session->lock); - fail_all_commands(conn, sc->device->lun, DID_ERROR); + fail_scsi_tasks(conn, sc->device->lun, DID_ERROR); conn->tmf_state = TMF_INITIAL; spin_unlock_bh(&session->lock); @@ -2304,6 +2315,7 @@ iscsi_session_setup(struct iscsi_transport *iscsit, struct Scsi_Host *shost, if (cmd_task_size) task->dd_data = &task[1]; task->itt = cmd_i; + task->state = ISCSI_TASK_FREE; INIT_LIST_HEAD(&task->running); } @@ -2390,10 +2402,8 @@ iscsi_conn_setup(struct iscsi_cls_session *cls_session, int dd_size, conn->transport_timer.data = (unsigned long)conn; conn->transport_timer.function = iscsi_check_transport_timeouts; - INIT_LIST_HEAD(&conn->run_list); - INIT_LIST_HEAD(&conn->mgmt_run_list); INIT_LIST_HEAD(&conn->mgmtqueue); - INIT_LIST_HEAD(&conn->xmitqueue); + INIT_LIST_HEAD(&conn->cmdqueue); INIT_LIST_HEAD(&conn->requeue); INIT_WORK(&conn->xmitwork, iscsi_xmitworker); @@ -2561,27 +2571,24 @@ int iscsi_conn_start(struct iscsi_cls_conn *cls_conn) EXPORT_SYMBOL_GPL(iscsi_conn_start); static void -flush_control_queues(struct iscsi_session *session, struct iscsi_conn *conn) +fail_mgmt_tasks(struct iscsi_session *session, struct iscsi_conn *conn) { - struct iscsi_task *task, *tmp; + struct iscsi_task *task; + int i; - /* handle pending */ - list_for_each_entry_safe(task, tmp, &conn->mgmtqueue, running) { - ISCSI_DBG_SESSION(session, "flushing pending mgmt task " - "itt 0x%x\n", task->itt); - /* release ref from prep task */ - __iscsi_put_task(task); - } + for (i = 0; i < conn->session->cmds_max; i++) { + task = conn->session->cmds[i]; + if (task->sc) + continue; - /* handle running */ - list_for_each_entry_safe(task, tmp, &conn->mgmt_run_list, running) { - ISCSI_DBG_SESSION(session, "flushing running mgmt task " - "itt 0x%x\n", task->itt); - /* release ref from prep task */ - __iscsi_put_task(task); - } + if (task->state == ISCSI_TASK_FREE) + continue; - conn->task = NULL; + ISCSI_DBG_SESSION(conn->session, + "failing mgmt itt 0x%x state %d\n", + task->itt, task->state); + iscsi_complete_task(task); + } } static void iscsi_start_session_recovery(struct iscsi_session *session, @@ -2638,10 +2645,10 @@ static void iscsi_start_session_recovery(struct iscsi_session *session, */ spin_lock_bh(&session->lock); if (flag == STOP_CONN_RECOVER) - fail_all_commands(conn, -1, DID_TRANSPORT_DISRUPTED); + fail_scsi_tasks(conn, -1, DID_TRANSPORT_DISRUPTED); else - fail_all_commands(conn, -1, DID_ERROR); - flush_control_queues(session, conn); + fail_scsi_tasks(conn, -1, DID_ERROR); + fail_mgmt_tasks(session, conn); spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); } diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 88d33a46efa5..facae71183a5 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -82,6 +82,7 @@ enum { enum { + ISCSI_TASK_FREE, ISCSI_TASK_COMPLETED, ISCSI_TASK_PENDING, ISCSI_TASK_RUNNING, @@ -181,9 +182,7 @@ struct iscsi_conn { /* xmit */ struct list_head mgmtqueue; /* mgmt (control) xmit queue */ - struct list_head mgmt_run_list; /* list of control tasks */ - struct list_head xmitqueue; /* data-path cmd queue */ - struct list_head run_list; /* list of cmds in progress */ + struct list_head cmdqueue; /* data-path cmd queue */ struct list_head requeue; /* tasks needing another run */ struct work_struct xmitwork; /* per-conn. xmit workqueue */ unsigned long suspend_tx; /* suspend Tx */ -- cgit v1.2.3 From b3cd5050bf8eb32ceecee129cac7c59e6f1668c4 Mon Sep 17 00:00:00 2001 From: Mike Christie Date: Wed, 13 May 2009 17:57:49 -0500 Subject: [SCSI] libiscsi: add task aborted state If a task did not complete normally due to a TMF, libiscsi will now complete the task with the state ISCSI_TASK_ABRT_TMF. Drivers like bnx2i that need to free resources if a command did not complete normally can then check the task state. If a driver does not need to send a special command if we have dropped the session then they can check for ISCSI_TASK_ABRT_SESS_RECOV. Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/infiniband/ulp/iser/iscsi_iser.c | 7 ++-- drivers/scsi/libiscsi.c | 60 +++++++++++++++++++------------- drivers/scsi/libiscsi_tcp.c | 4 +-- include/scsi/libiscsi.h | 2 ++ 4 files changed, 41 insertions(+), 32 deletions(-) (limited to 'include') diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c index ffbe0c76bc11..0ba6ec876296 100644 --- a/drivers/infiniband/ulp/iser/iscsi_iser.c +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c @@ -257,11 +257,8 @@ static void iscsi_iser_cleanup_task(struct iscsi_task *task) { struct iscsi_iser_task *iser_task = task->dd_data; - /* - * mgmt tasks do not need special cleanup and we do not - * allocate anything in the init task callout - */ - if (!task->sc || task->state == ISCSI_TASK_PENDING) + /* mgmt tasks do not need special cleanup */ + if (!task->sc) return; if (iser_task->status == ISER_TASK_STATUS_STARTED) { diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index dafa054537f6..b00be6c3efc1 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -443,18 +443,20 @@ EXPORT_SYMBOL_GPL(iscsi_put_task); /** * iscsi_complete_task - finish a task * @task: iscsi cmd task + * @state: state to complete task with * * Must be called with session lock. */ -static void iscsi_complete_task(struct iscsi_task *task) +static void iscsi_complete_task(struct iscsi_task *task, int state) { struct iscsi_conn *conn = task->conn; - if (task->state == ISCSI_TASK_COMPLETED) + if (task->state == ISCSI_TASK_COMPLETED || + task->state == ISCSI_TASK_ABRT_TMF || + task->state == ISCSI_TASK_ABRT_SESS_RECOV) return; WARN_ON_ONCE(task->state == ISCSI_TASK_FREE); - - task->state = ISCSI_TASK_COMPLETED; + task->state = state; if (!list_empty(&task->running)) list_del_init(&task->running); @@ -478,6 +480,7 @@ static void fail_scsi_task(struct iscsi_task *task, int err) { struct iscsi_conn *conn = task->conn; struct scsi_cmnd *sc; + int state; /* * if a command completes and we get a successful tmf response @@ -488,14 +491,20 @@ static void fail_scsi_task(struct iscsi_task *task, int err) if (!sc) return; - if (task->state == ISCSI_TASK_PENDING) + if (task->state == ISCSI_TASK_PENDING) { /* * cmd never made it to the xmit thread, so we should not count * the cmd in the sequencing */ conn->session->queued_cmdsn--; + /* it was never sent so just complete like normal */ + state = ISCSI_TASK_COMPLETED; + } else if (err == DID_TRANSPORT_DISRUPTED) + state = ISCSI_TASK_ABRT_SESS_RECOV; + else + state = ISCSI_TASK_ABRT_TMF; - sc->result = err; + sc->result = err << 16; if (!scsi_bidi_cmnd(sc)) scsi_set_resid(sc, scsi_bufflen(sc)); else { @@ -503,7 +512,7 @@ static void fail_scsi_task(struct iscsi_task *task, int err) scsi_in(sc)->resid = scsi_in(sc)->length; } - iscsi_complete_task(task); + iscsi_complete_task(task, state); } static int iscsi_prep_mgmt_task(struct iscsi_conn *conn, @@ -731,7 +740,7 @@ out: ISCSI_DBG_SESSION(session, "cmd rsp done [sc %p res %d itt 0x%x]\n", sc, sc->result, task->itt); conn->scsirsp_pdus_cnt++; - iscsi_complete_task(task); + iscsi_complete_task(task, ISCSI_TASK_COMPLETED); } /** @@ -769,7 +778,7 @@ iscsi_data_in_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr, "[sc %p res %d itt 0x%x]\n", sc, sc->result, task->itt); conn->scsirsp_pdus_cnt++; - iscsi_complete_task(task); + iscsi_complete_task(task, ISCSI_TASK_COMPLETED); } static void iscsi_tmf_rsp(struct iscsi_conn *conn, struct iscsi_hdr *hdr) @@ -990,7 +999,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, } iscsi_tmf_rsp(conn, hdr); - iscsi_complete_task(task); + iscsi_complete_task(task, ISCSI_TASK_COMPLETED); break; case ISCSI_OP_NOOP_IN: iscsi_update_cmdsn(session, (struct iscsi_nopin*)hdr); @@ -1008,7 +1017,7 @@ int __iscsi_complete_pdu(struct iscsi_conn *conn, struct iscsi_hdr *hdr, goto recv_pdu; mod_timer(&conn->transport_timer, jiffies + conn->recv_timeout); - iscsi_complete_task(task); + iscsi_complete_task(task, ISCSI_TASK_COMPLETED); break; default: rc = ISCSI_ERR_BAD_OPCODE; @@ -1020,7 +1029,7 @@ out: recv_pdu: if (iscsi_recv_pdu(conn->cls_conn, hdr, data, datalen)) rc = ISCSI_ERR_CONN_FAILED; - iscsi_complete_task(task); + iscsi_complete_task(task, ISCSI_TASK_COMPLETED); return rc; } EXPORT_SYMBOL_GPL(__iscsi_complete_pdu); @@ -1262,7 +1271,7 @@ check_mgmt: struct iscsi_task, running); list_del_init(&conn->task->running); if (conn->session->state == ISCSI_STATE_LOGGING_OUT) { - fail_scsi_task(conn->task, DID_IMM_RETRY << 16); + fail_scsi_task(conn->task, DID_IMM_RETRY); continue; } rc = iscsi_prep_scsi_cmd_pdu(conn->task); @@ -1273,7 +1282,7 @@ check_mgmt: conn->task = NULL; goto again; } else - fail_scsi_task(conn->task, DID_ABORT << 16); + fail_scsi_task(conn->task, DID_ABORT); continue; } rc = iscsi_xmit_task(conn); @@ -1469,7 +1478,7 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) prepd_reject: sc->scsi_done = NULL; - iscsi_complete_task(task); + iscsi_complete_task(task, ISCSI_TASK_COMPLETED); reject: spin_unlock(&session->lock); ISCSI_DBG_SESSION(session, "cmd 0x%x rejected (%d)\n", @@ -1479,7 +1488,7 @@ reject: prepd_fault: sc->scsi_done = NULL; - iscsi_complete_task(task); + iscsi_complete_task(task, ISCSI_TASK_COMPLETED); fault: spin_unlock(&session->lock); ISCSI_DBG_SESSION(session, "iscsi: cmd 0x%x is not queued (%d)\n", @@ -1665,7 +1674,7 @@ static void fail_scsi_tasks(struct iscsi_conn *conn, unsigned lun, ISCSI_DBG_SESSION(conn->session, "failing sc %p itt 0x%x state %d\n", task->sc, task->itt, task->state); - fail_scsi_task(task, error << 16); + fail_scsi_task(task, error); } } @@ -1868,7 +1877,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) } if (task->state == ISCSI_TASK_PENDING) { - fail_scsi_task(task, DID_ABORT << 16); + fail_scsi_task(task, DID_ABORT); goto success; } @@ -1899,7 +1908,7 @@ int iscsi_eh_abort(struct scsi_cmnd *sc) * then sent more data for the cmd. */ spin_lock(&session->lock); - fail_scsi_task(task, DID_ABORT << 16); + fail_scsi_task(task, DID_ABORT); conn->tmf_state = TMF_INITIAL; spin_unlock(&session->lock); iscsi_start_tx(conn); @@ -2572,7 +2581,7 @@ static void fail_mgmt_tasks(struct iscsi_session *session, struct iscsi_conn *conn) { struct iscsi_task *task; - int i; + int i, state; for (i = 0; i < conn->session->cmds_max; i++) { task = conn->session->cmds[i]; @@ -2585,7 +2594,11 @@ fail_mgmt_tasks(struct iscsi_session *session, struct iscsi_conn *conn) ISCSI_DBG_SESSION(conn->session, "failing mgmt itt 0x%x state %d\n", task->itt, task->state); - iscsi_complete_task(task); + state = ISCSI_TASK_ABRT_SESS_RECOV; + if (task->state == ISCSI_TASK_PENDING) + state = ISCSI_TASK_COMPLETED; + iscsi_complete_task(task, state); + } } @@ -2642,10 +2655,7 @@ static void iscsi_start_session_recovery(struct iscsi_session *session, * flush queues. */ spin_lock_bh(&session->lock); - if (flag == STOP_CONN_RECOVER) - fail_scsi_tasks(conn, -1, DID_TRANSPORT_DISRUPTED); - else - fail_scsi_tasks(conn, -1, DID_ERROR); + fail_scsi_tasks(conn, -1, DID_TRANSPORT_DISRUPTED); fail_mgmt_tasks(session, conn); spin_unlock_bh(&session->lock); mutex_unlock(&session->eh_mutex); diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c index b84a1d853f29..2bc07090321d 100644 --- a/drivers/scsi/libiscsi_tcp.c +++ b/drivers/scsi/libiscsi_tcp.c @@ -440,8 +440,8 @@ void iscsi_tcp_cleanup_task(struct iscsi_task *task) struct iscsi_tcp_task *tcp_task = task->dd_data; struct iscsi_r2t_info *r2t; - /* nothing to do for mgmt or pending tasks */ - if (!task->sc || task->state == ISCSI_TASK_PENDING) + /* nothing to do for mgmt */ + if (!task->sc) return; /* flush task's r2t queues */ diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index facae71183a5..196525cd402f 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -86,6 +86,8 @@ enum { ISCSI_TASK_COMPLETED, ISCSI_TASK_PENDING, ISCSI_TASK_RUNNING, + ISCSI_TASK_ABRT_TMF, /* aborted due to TMF */ + ISCSI_TASK_ABRT_SESS_RECOV, /* aborted due to session recovery */ }; struct iscsi_r2t_info { -- cgit v1.2.3 From a366695592ebc9151dd5a248681270f0925d8324 Mon Sep 17 00:00:00 2001 From: Abhijeet Joglekar Date: Fri, 1 May 2009 10:01:26 -0700 Subject: [SCSI] libfc,fcoe,fnic: Separate rport and lport max retry counts This allows fnic to configure number of retries for lport and rport separately. Signed-off-by: Abhijeet Joglekar Acked-by: Robert Love Signed-off-by: James Bottomley --- drivers/scsi/fcoe/fcoe.c | 1 + drivers/scsi/fnic/fnic_main.c | 1 + drivers/scsi/libfc/fc_rport.c | 2 +- include/scsi/libfc.h | 1 + 4 files changed, 4 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index d08121f246c3..6acb7778f557 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -146,6 +146,7 @@ static int fcoe_lport_config(struct fc_lport *lp) lp->link_up = 0; lp->qfull = 0; lp->max_retry_count = 3; + lp->max_rport_retry_count = 3; lp->e_d_tov = 2 * 1000; /* FC-FS default */ lp->r_a_tov = 2 * 2 * 1000; lp->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS | diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c index 32ef6b87d895..a84072865fc2 100644 --- a/drivers/scsi/fnic/fnic_main.c +++ b/drivers/scsi/fnic/fnic_main.c @@ -680,6 +680,7 @@ static int __devinit fnic_probe(struct pci_dev *pdev, } lp->max_retry_count = fnic->config.flogi_retries; + lp->max_rport_retry_count = fnic->config.plogi_retries; lp->service_params = (FCP_SPPF_INIT_FCN | FCP_SPPF_RD_XRDY_DIS | FCP_SPPF_CONF_COMPL); if (fnic->config.flags & VFCF_FCP_SEQ_LVL_ERR) diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c index 3f5094ebc397..7bfbff7e0efb 100644 --- a/drivers/scsi/libfc/fc_rport.c +++ b/drivers/scsi/libfc/fc_rport.c @@ -478,7 +478,7 @@ static void fc_rport_error_retry(struct fc_rport *rport, struct fc_frame *fp) if (PTR_ERR(fp) == -FC_EX_CLOSED) return fc_rport_error(rport, fp); - if (rdata->retries < rdata->local_port->max_retry_count) { + if (rdata->retries < rdata->local_port->max_rport_retry_count) { FC_DEBUG_RPORT("Error %ld in state %s, retrying\n", PTR_ERR(fp), fc_rport_state(rport)); rdata->retries++; diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h index 45f9cc642c46..ebdd9f4cf070 100644 --- a/include/scsi/libfc.h +++ b/include/scsi/libfc.h @@ -679,6 +679,7 @@ struct fc_lport { unsigned int e_d_tov; unsigned int r_a_tov; u8 max_retry_count; + u8 max_rport_retry_count; u16 link_speed; u16 link_supported_speeds; u16 lro_xid; /* max xid for fcoe lro */ -- cgit v1.2.3 From ab6bf42e2339580b5d87746d0ff4da4b1578b03e Mon Sep 17 00:00:00 2001 From: Eli Cohen Date: Wed, 27 May 2009 14:38:34 -0700 Subject: mlx4_core: Add module parameter for number of MTTs per segment The current MTT allocator uses kmalloc() to allocate a buffer for its buddy allocator, and thus is limited in the amount of MTT segments that it can control. As a result, the size of memory that can be registered is limited too. This patch uses a module parameter to control the number of MTT entries that each segment represents, allowing more memory to be registered with the same number of segments. Signed-off-by: Eli Cohen Signed-off-by: Roland Dreier --- drivers/net/mlx4/main.c | 14 ++++++++++++-- drivers/net/mlx4/mr.c | 6 +++--- drivers/net/mlx4/profile.c | 2 +- include/linux/mlx4/device.h | 1 + 4 files changed, 17 insertions(+), 6 deletions(-) (limited to 'include') diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c index 30bea9689694..018348c01193 100644 --- a/drivers/net/mlx4/main.c +++ b/drivers/net/mlx4/main.c @@ -100,6 +100,10 @@ module_param_named(use_prio, use_prio, bool, 0444); MODULE_PARM_DESC(use_prio, "Enable steering by VLAN priority on ETH ports " "(0/1, default 0)"); +static int log_mtts_per_seg = ilog2(MLX4_MTT_ENTRY_PER_SEG); +module_param_named(log_mtts_per_seg, log_mtts_per_seg, int, 0444); +MODULE_PARM_DESC(log_mtts_per_seg, "Log2 number of MTT entries per segment (1-5)"); + int mlx4_check_port_params(struct mlx4_dev *dev, enum mlx4_port_type *port_type) { @@ -203,12 +207,13 @@ static int mlx4_dev_cap(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) dev->caps.max_cqes = dev_cap->max_cq_sz - 1; dev->caps.reserved_cqs = dev_cap->reserved_cqs; dev->caps.reserved_eqs = dev_cap->reserved_eqs; + dev->caps.mtts_per_seg = 1 << log_mtts_per_seg; dev->caps.reserved_mtts = DIV_ROUND_UP(dev_cap->reserved_mtts, - MLX4_MTT_ENTRY_PER_SEG); + dev->caps.mtts_per_seg); dev->caps.reserved_mrws = dev_cap->reserved_mrws; dev->caps.reserved_uars = dev_cap->reserved_uars; dev->caps.reserved_pds = dev_cap->reserved_pds; - dev->caps.mtt_entry_sz = MLX4_MTT_ENTRY_PER_SEG * dev_cap->mtt_entry_sz; + dev->caps.mtt_entry_sz = dev->caps.mtts_per_seg * dev_cap->mtt_entry_sz; dev->caps.max_msg_sz = dev_cap->max_msg_sz; dev->caps.page_size_cap = ~(u32) (dev_cap->min_page_sz - 1); dev->caps.flags = dev_cap->flags; @@ -1304,6 +1309,11 @@ static int __init mlx4_verify_params(void) return -1; } + if ((log_mtts_per_seg < 1) || (log_mtts_per_seg > 5)) { + printk(KERN_WARNING "mlx4_core: bad log_mtts_per_seg: %d\n", log_mtts_per_seg); + return -1; + } + return 0; } diff --git a/drivers/net/mlx4/mr.c b/drivers/net/mlx4/mr.c index 0caf74cae8bc..3b8973d19933 100644 --- a/drivers/net/mlx4/mr.c +++ b/drivers/net/mlx4/mr.c @@ -209,7 +209,7 @@ int mlx4_mtt_init(struct mlx4_dev *dev, int npages, int page_shift, } else mtt->page_shift = page_shift; - for (mtt->order = 0, i = MLX4_MTT_ENTRY_PER_SEG; i < npages; i <<= 1) + for (mtt->order = 0, i = dev->caps.mtts_per_seg; i < npages; i <<= 1) ++mtt->order; mtt->first_seg = mlx4_alloc_mtt_range(dev, mtt->order); @@ -350,7 +350,7 @@ int mlx4_mr_enable(struct mlx4_dev *dev, struct mlx4_mr *mr) mpt_entry->pd_flags |= cpu_to_be32(MLX4_MPT_PD_FLAG_FAST_REG | MLX4_MPT_PD_FLAG_RAE); mpt_entry->mtt_sz = cpu_to_be32((1 << mr->mtt.order) * - MLX4_MTT_ENTRY_PER_SEG); + dev->caps.mtts_per_seg); } else { mpt_entry->flags |= cpu_to_be32(MLX4_MPT_FLAG_SW_OWNS); } @@ -391,7 +391,7 @@ static int mlx4_write_mtt_chunk(struct mlx4_dev *dev, struct mlx4_mtt *mtt, (start_index + npages - 1) / (PAGE_SIZE / sizeof (u64))) return -EINVAL; - if (start_index & (MLX4_MTT_ENTRY_PER_SEG - 1)) + if (start_index & (dev->caps.mtts_per_seg - 1)) return -EINVAL; mtts = mlx4_table_find(&priv->mr_table.mtt_table, mtt->first_seg + diff --git a/drivers/net/mlx4/profile.c b/drivers/net/mlx4/profile.c index cebdf3243ca1..bd22df95adf9 100644 --- a/drivers/net/mlx4/profile.c +++ b/drivers/net/mlx4/profile.c @@ -98,7 +98,7 @@ u64 mlx4_make_profile(struct mlx4_dev *dev, profile[MLX4_RES_EQ].size = dev_cap->eqc_entry_sz; profile[MLX4_RES_DMPT].size = dev_cap->dmpt_entry_sz; profile[MLX4_RES_CMPT].size = dev_cap->cmpt_entry_sz; - profile[MLX4_RES_MTT].size = MLX4_MTT_ENTRY_PER_SEG * dev_cap->mtt_entry_sz; + profile[MLX4_RES_MTT].size = dev->caps.mtts_per_seg * dev_cap->mtt_entry_sz; profile[MLX4_RES_MCG].size = MLX4_MGM_ENTRY_SIZE; profile[MLX4_RES_QP].num = request->num_qp; diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index 3aff8a6a389e..ce7cc6c7bcbb 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -210,6 +210,7 @@ struct mlx4_caps { int num_comp_vectors; int num_mpts; int num_mtt_segs; + int mtts_per_seg; int fmr_reserved_mtts; int reserved_mtts; int reserved_mrws; -- cgit v1.2.3 From 8bea869c5e56234990e6bad92a543437115bfc18 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Mon, 27 Apr 2009 09:44:40 +0200 Subject: ALSA: PCM midlevel: improve fifo_size handling Move the fifo_size assignment to hw->ioctl callback to allow lowlevel drivers overwrite the default behaviour. fifo_size is in frames not bytes as specified in asound.h and alsa-lib's documentation, but most hardware have fixed byte based FIFOs. Introduce internal SNDRV_PCM_INFO_FIFO_IN_FRAMES. Signed-off-by: Jaroslav Kysela Signed-off-by: Takashi Iwai --- include/sound/asound.h | 1 + include/sound/pcm.h | 1 + sound/core/pcm_lib.c | 19 +++++++++++++++++++ sound/core/pcm_native.c | 15 ++++++++++++--- 4 files changed, 33 insertions(+), 3 deletions(-) (limited to 'include') diff --git a/include/sound/asound.h b/include/sound/asound.h index 6add80fc2512..82aed3f47534 100644 --- a/include/sound/asound.h +++ b/include/sound/asound.h @@ -255,6 +255,7 @@ typedef int __bitwise snd_pcm_subformat_t; #define SNDRV_PCM_INFO_HALF_DUPLEX 0x00100000 /* only half duplex */ #define SNDRV_PCM_INFO_JOINT_DUPLEX 0x00200000 /* playback and capture stream are somewhat correlated */ #define SNDRV_PCM_INFO_SYNC_START 0x00400000 /* pcm support some kind of sync go */ +#define SNDRV_PCM_INFO_FIFO_IN_FRAMES 0x80000000 /* internal kernel flag - FIFO size is in frames */ typedef int __bitwise snd_pcm_state_t; #define SNDRV_PCM_STATE_OPEN ((__force snd_pcm_state_t) 0) /* stream is open */ diff --git a/include/sound/pcm.h b/include/sound/pcm.h index 267effddb070..8a69b5c1e1c4 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -98,6 +98,7 @@ struct snd_pcm_ops { #define SNDRV_PCM_IOCTL1_INFO 1 #define SNDRV_PCM_IOCTL1_CHANNEL_INFO 2 #define SNDRV_PCM_IOCTL1_GSTATE 3 +#define SNDRV_PCM_IOCTL1_FIFO_SIZE 4 #define SNDRV_PCM_TRIGGER_STOP 0 #define SNDRV_PCM_TRIGGER_START 1 diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index d659995ac3ac..adc2b0bd1132 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1524,6 +1524,23 @@ static int snd_pcm_lib_ioctl_channel_info(struct snd_pcm_substream *substream, return 0; } +static int snd_pcm_lib_ioctl_fifo_size(struct snd_pcm_substream *substream, + void *arg) +{ + struct snd_pcm_hw_params *params = arg; + snd_pcm_format_t format; + int channels, width; + + params->fifo_size = substream->runtime->hw.fifo_size; + if (!(substream->runtime->hw.info & SNDRV_PCM_INFO_FIFO_IN_FRAMES)) { + format = params_format(params); + channels = params_channels(params); + width = snd_pcm_format_physical_width(format); + params->fifo_size /= width * channels; + } + return 0; +} + /** * snd_pcm_lib_ioctl - a generic PCM ioctl callback * @substream: the pcm substream instance @@ -1545,6 +1562,8 @@ int snd_pcm_lib_ioctl(struct snd_pcm_substream *substream, return snd_pcm_lib_ioctl_reset(substream, arg); case SNDRV_PCM_IOCTL1_CHANNEL_INFO: return snd_pcm_lib_ioctl_channel_info(substream, arg); + case SNDRV_PCM_IOCTL1_FIFO_SIZE: + return snd_pcm_lib_ioctl_fifo_size(substream, arg); } return -ENXIO; } diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 45dc53fcfa2f..84da3ba17c86 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -312,9 +312,18 @@ int snd_pcm_hw_refine(struct snd_pcm_substream *substream, hw = &substream->runtime->hw; if (!params->info) - params->info = hw->info; - if (!params->fifo_size) - params->fifo_size = hw->fifo_size; + params->info = hw->info & ~SNDRV_PCM_INFO_FIFO_IN_FRAMES; + if (!params->fifo_size) { + if (snd_mask_min(¶ms->masks[SNDRV_PCM_HW_PARAM_FORMAT]) == + snd_mask_max(¶ms->masks[SNDRV_PCM_HW_PARAM_FORMAT]) && + snd_mask_min(¶ms->masks[SNDRV_PCM_HW_PARAM_CHANNELS]) == + snd_mask_max(¶ms->masks[SNDRV_PCM_HW_PARAM_CHANNELS])) { + changed = substream->ops->ioctl(substream, + SNDRV_PCM_IOCTL1_FIFO_SIZE, params); + if (params < 0) + return changed; + } + } params->rmask = 0; return 0; } -- cgit v1.2.3 From 10a8ebbb08c4b08292598947bbe534e04d6ee705 Mon Sep 17 00:00:00 2001 From: Jaroslav Kysela Date: Tue, 2 Jun 2009 12:02:38 +0200 Subject: ALSA: Core - add snd_card_set_id() function Introduce snd_card_set_id() function to allow lowlevel drivers to set default identification name for card slot. The function checks also for identification name collisions and tries to create unique name. Also, the snd_card_create() function is simplified, because this new function is used. As bonus, proper name collision checks are evaluated at the card create time. Signed-off-by: Jaroslav Kysela Signed-off-by: Takashi Iwai --- include/sound/core.h | 1 + sound/core/init.c | 62 +++++++++++++++++++++++++++++++++------------------- 2 files changed, 40 insertions(+), 23 deletions(-) (limited to 'include') diff --git a/include/sound/core.h b/include/sound/core.h index 3dea79829acc..0e8ae10155ab 100644 --- a/include/sound/core.h +++ b/include/sound/core.h @@ -313,6 +313,7 @@ struct snd_card *snd_card_new(int idx, const char *id, int snd_card_disconnect(struct snd_card *card); int snd_card_free(struct snd_card *card); int snd_card_free_when_closed(struct snd_card *card); +void snd_card_set_id(struct snd_card *card, const char *id); int snd_card_register(struct snd_card *card); int snd_card_info_init(void); int snd_card_info_done(void); diff --git a/sound/core/init.c b/sound/core/init.c index fd56afe846ed..6557dd85e191 100644 --- a/sound/core/init.c +++ b/sound/core/init.c @@ -152,15 +152,8 @@ int snd_card_create(int idx, const char *xid, card = kzalloc(sizeof(*card) + extra_size, GFP_KERNEL); if (!card) return -ENOMEM; - if (xid) { - if (!snd_info_check_reserved_words(xid)) { - snd_printk(KERN_ERR - "given id string '%s' is reserved.\n", xid); - err = -EBUSY; - goto __error; - } - strlcpy(card->id, xid, sizeof(card->id)); - } + if (xid) + snd_card_set_id(card, xid); err = 0; mutex_lock(&snd_card_mutex); if (idx < 0) { @@ -483,22 +476,39 @@ int snd_card_free(struct snd_card *card) EXPORT_SYMBOL(snd_card_free); -static void choose_default_id(struct snd_card *card) +/** + * snd_card_set_id - set card identification name + * @card: soundcard structure + * @nid: new identification string + * + * This function sets the card identification and checks for name + * collisions. + */ +void snd_card_set_id(struct snd_card *card, const char *nid) { int i, len, idx_flag = 0, loops = SNDRV_CARDS; - char *id, *spos; + const char *spos, *src; + char *id; - id = spos = card->shortname; - while (*id != '\0') { - if (*id == ' ') - spos = id + 1; - id++; + /* check if user specified own card->id */ + if (card->id[0] != '\0') + return; + if (nid == NULL) { + id = card->shortname; + spos = src = id; + while (*id != '\0') { + if (*id == ' ') + spos = id + 1; + id++; + } + } else { + spos = src = nid; } id = card->id; while (*spos != '\0' && !isalnum(*spos)) spos++; if (isdigit(*spos)) - *id++ = isalpha(card->shortname[0]) ? card->shortname[0] : 'D'; + *id++ = isalpha(src[0]) ? src[0] : 'D'; while (*spos != '\0' && (size_t)(id - card->id) < sizeof(card->id) - 1) { if (isalnum(*spos)) *id++ = *spos; @@ -513,16 +523,20 @@ static void choose_default_id(struct snd_card *card) while (1) { if (loops-- == 0) { - snd_printk(KERN_ERR "unable to choose default card id (%s)\n", id); + snd_printk(KERN_ERR "unable to set card id (%s)\n", id); strcpy(card->id, card->proc_root->name); return; } if (!snd_info_check_reserved_words(id)) goto __change; + mutex_lock(&snd_card_mutex); for (i = 0; i < snd_ecards_limit; i++) { - if (snd_cards[i] && !strcmp(snd_cards[i]->id, id)) + if (snd_cards[i] && !strcmp(snd_cards[i]->id, id)) { + mutex_unlock(&snd_card_mutex); goto __change; + } } + mutex_unlock(&snd_card_mutex); break; __change: @@ -539,14 +553,16 @@ static void choose_default_id(struct snd_card *card) spos = id + len - 2; if ((size_t)len <= sizeof(card->id) - 2) spos++; - *spos++ = '_'; - *spos++ = '1'; - *spos++ = '\0'; + *(char *)spos++ = '_'; + *(char *)spos++ = '1'; + *(char *)spos++ = '\0'; idx_flag++; } } } +EXPORT_SYMBOL(snd_card_set_id); + #ifndef CONFIG_SYSFS_DEPRECATED static ssize_t card_id_show_attr(struct device *dev, @@ -641,7 +657,7 @@ int snd_card_register(struct snd_card *card) return 0; } if (card->id[0] == '\0') - choose_default_id(card); + snd_card_set_id(card, NULL); snd_cards[card->number] = card; mutex_unlock(&snd_card_mutex); init_info_for_card(card); -- cgit v1.2.3 From 5926a295bb78272b3f648f62febecd19a1b6a6ca Mon Sep 17 00:00:00 2001 From: Alessandro Rubini Date: Thu, 4 Jun 2009 17:43:04 +0100 Subject: [ARM] 5541/1: serial/amba-pl011.c: add support for the modified port found in Nomadik The Nomadik 8815 SoC has a slightly modified version of the PL011 block. The patch uses the different ID value as a key to select a vendor structure that is used to keep track of the differences, as suggested by Russell King. Signed-off-by: Alessandro Rubini Acked-by: Andrea Gallo Acked-by: Linus Walleij Signed-off-by: Russell King --- drivers/serial/amba-pl011.c | 30 +++++++++++++++++++++++++++--- include/linux/amba/serial.h | 3 +++ 2 files changed, 30 insertions(+), 3 deletions(-) (limited to 'include') diff --git a/drivers/serial/amba-pl011.c b/drivers/serial/amba-pl011.c index 4cfa1eb26892..8c5bda27736c 100644 --- a/drivers/serial/amba-pl011.c +++ b/drivers/serial/amba-pl011.c @@ -70,6 +70,23 @@ struct uart_amba_port { struct clk *clk; unsigned int im; /* interrupt mask */ unsigned int old_status; + unsigned int ifls; /* vendor-specific */ +}; + +/* There is by now at least one vendor with differing details, so handle it */ +struct vendor_data { + unsigned int ifls; + unsigned int fifosize; +}; + +static struct vendor_data vendor_arm = { + .ifls = UART011_IFLS_RX4_8|UART011_IFLS_TX4_8, + .fifosize = 16, +}; + +static struct vendor_data vendor_st = { + .ifls = UART011_IFLS_RX_HALF|UART011_IFLS_TX_HALF, + .fifosize = 64, }; static void pl011_stop_tx(struct uart_port *port) @@ -360,8 +377,7 @@ static int pl011_startup(struct uart_port *port) if (retval) goto clk_dis; - writew(UART011_IFLS_RX4_8|UART011_IFLS_TX4_8, - uap->port.membase + UART011_IFLS); + writew(uap->ifls, uap->port.membase + UART011_IFLS); /* * Provoke TX FIFO interrupt into asserting. @@ -732,6 +748,7 @@ static struct uart_driver amba_reg = { static int pl011_probe(struct amba_device *dev, struct amba_id *id) { struct uart_amba_port *uap; + struct vendor_data *vendor = id->data; void __iomem *base; int i, ret; @@ -762,12 +779,13 @@ static int pl011_probe(struct amba_device *dev, struct amba_id *id) goto unmap; } + uap->ifls = vendor->ifls; uap->port.dev = &dev->dev; uap->port.mapbase = dev->res.start; uap->port.membase = base; uap->port.iotype = UPIO_MEM; uap->port.irq = dev->irq[0]; - uap->port.fifosize = 16; + uap->port.fifosize = vendor->fifosize; uap->port.ops = &amba_pl011_pops; uap->port.flags = UPF_BOOT_AUTOCONF; uap->port.line = i; @@ -812,6 +830,12 @@ static struct amba_id pl011_ids[] __initdata = { { .id = 0x00041011, .mask = 0x000fffff, + .data = &vendor_arm, + }, + { + .id = 0x00380802, + .mask = 0x00ffffff, + .data = &vendor_st, }, { 0, 0 }, }; diff --git a/include/linux/amba/serial.h b/include/linux/amba/serial.h index 48ee32a18ac5..42949e210cb8 100644 --- a/include/linux/amba/serial.h +++ b/include/linux/amba/serial.h @@ -114,6 +114,9 @@ #define UART011_IFLS_TX4_8 (2 << 0) #define UART011_IFLS_TX6_8 (3 << 0) #define UART011_IFLS_TX7_8 (4 << 0) +/* special values for ST vendor with deeper fifo */ +#define UART011_IFLS_RX_HALF (5 << 3) +#define UART011_IFLS_TX_HALF (5 << 0) #define UART011_OEIM (1 << 10) /* overrun error interrupt mask */ #define UART011_BEIM (1 << 9) /* break error interrupt mask */ -- cgit v1.2.3 From c0683039207226afcffbe0fbf6a1caaee77a37b0 Mon Sep 17 00:00:00 2001 From: Tony Lindgren Date: Wed, 3 Jun 2009 17:43:14 +0100 Subject: [ARM] 5536/1: Move clk_add_alias() to arch/arm/common/clkdev.c This can be used for other arm platforms too as discussed on the linux-arm-kernel list. Also check the return value with IS_ERR and return PTR_ERR as suggested by Russell King. Signed-off-by: Tony Lindgren Signed-off-by: Russell King --- arch/arm/common/clkdev.c | 18 ++++++++++++++++++ arch/arm/mach-pxa/clock.c | 17 ----------------- include/linux/clk.h | 13 +++++++++++++ 3 files changed, 31 insertions(+), 17 deletions(-) (limited to 'include') diff --git a/arch/arm/common/clkdev.c b/arch/arm/common/clkdev.c index 5589444ff437..f37afd9422f3 100644 --- a/arch/arm/common/clkdev.c +++ b/arch/arm/common/clkdev.c @@ -135,6 +135,24 @@ struct clk_lookup *clkdev_alloc(struct clk *clk, const char *con_id, } EXPORT_SYMBOL(clkdev_alloc); +int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, + struct device *dev) +{ + struct clk *r = clk_get(dev, id); + struct clk_lookup *l; + + if (IS_ERR(r)) + return PTR_ERR(r); + + l = clkdev_alloc(r, alias, alias_dev_name); + clk_put(r); + if (!l) + return -ENODEV; + clkdev_add(l); + return 0; +} +EXPORT_SYMBOL(clk_add_alias); + /* * clkdev_drop - remove a clock dynamically allocated */ diff --git a/arch/arm/mach-pxa/clock.c b/arch/arm/mach-pxa/clock.c index db52d2c4791d..49ae38292310 100644 --- a/arch/arm/mach-pxa/clock.c +++ b/arch/arm/mach-pxa/clock.c @@ -86,20 +86,3 @@ void clks_register(struct clk_lookup *clks, size_t num) for (i = 0; i < num; i++) clkdev_add(&clks[i]); } - -int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, - struct device *dev) -{ - struct clk *r = clk_get(dev, id); - struct clk_lookup *l; - - if (!r) - return -ENODEV; - - l = clkdev_alloc(r, alias, alias_dev_name); - clk_put(r); - if (!l) - return -ENODEV; - clkdev_add(l); - return 0; -} diff --git a/include/linux/clk.h b/include/linux/clk.h index 1db9bbf444a3..1d37f42ac294 100644 --- a/include/linux/clk.h +++ b/include/linux/clk.h @@ -142,4 +142,17 @@ struct clk *clk_get_parent(struct clk *clk); */ struct clk *clk_get_sys(const char *dev_id, const char *con_id); +/** + * clk_add_alias - add a new clock alias + * @alias: name for clock alias + * @alias_dev_name: device name + * @id: platform specific clock name + * @dev: device + * + * Allows using generic clock names for drivers by adding a new alias. + * Assumes clkdev, see clkdev.h for more info. + */ +int clk_add_alias(const char *alias, const char *alias_dev_name, char *id, + struct device *dev); + #endif -- cgit v1.2.3 From 1b8e69662e1a086878bf930a6042daf7f8a076cc Mon Sep 17 00:00:00 2001 From: Bjorn Helgaas Date: Fri, 5 Jun 2009 14:37:23 +0000 Subject: pnp: add PNP resource range checking function Add a PNP resource range check function, indicating whether a resource has been assigned to any device. Signed-off-by: Bjorn Helgaas [apw@canonical.com: fixed up exports et al] Signed-off-by: Andy Whitcroft Signed-off-by: Eric Anholt --- drivers/pnp/resource.c | 18 ++++++++++++++++++ include/linux/pnp.h | 2 ++ 2 files changed, 20 insertions(+) (limited to 'include') diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c index f604061d2bb0..ba9765427886 100644 --- a/drivers/pnp/resource.c +++ b/drivers/pnp/resource.c @@ -638,6 +638,24 @@ int pnp_possible_config(struct pnp_dev *dev, int type, resource_size_t start, } EXPORT_SYMBOL(pnp_possible_config); +int pnp_range_reserved(resource_size_t start, resource_size_t end) +{ + struct pnp_dev *dev; + struct pnp_resource *pnp_res; + resource_size_t *dev_start, *dev_end; + + pnp_for_each_dev(dev) { + list_for_each_entry(pnp_res, &dev->resources, list) { + dev_start = &pnp_res->res.start; + dev_end = &pnp_res->res.end; + if (ranged_conflict(&start, &end, dev_start, dev_end)) + return 1; + } + } + return 0; +} +EXPORT_SYMBOL(pnp_range_reserved); + /* format is: pnp_reserve_irq=irq1[,irq2] .... */ static int __init pnp_setup_reserve_irq(char *str) { diff --git a/include/linux/pnp.h b/include/linux/pnp.h index ca3c88773028..b063c7328ba5 100644 --- a/include/linux/pnp.h +++ b/include/linux/pnp.h @@ -446,6 +446,7 @@ int pnp_start_dev(struct pnp_dev *dev); int pnp_stop_dev(struct pnp_dev *dev); int pnp_activate_dev(struct pnp_dev *dev); int pnp_disable_dev(struct pnp_dev *dev); +int pnp_range_reserved(resource_size_t start, resource_size_t end); /* protocol helpers */ int pnp_is_active(struct pnp_dev *dev); @@ -476,6 +477,7 @@ static inline int pnp_start_dev(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_stop_dev(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_activate_dev(struct pnp_dev *dev) { return -ENODEV; } static inline int pnp_disable_dev(struct pnp_dev *dev) { return -ENODEV; } +static inline int pnp_range_reserved(resource_size_t start, resource_size_t end) { return 0;} /* protocol helpers */ static inline int pnp_is_active(struct pnp_dev *dev) { return 0; } -- cgit v1.2.3 From 3f7440a6b771169e1f11fa582e53a4259b682809 Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 5 Jun 2009 17:40:04 +0200 Subject: ALSA: Clean up 64bit division functions Replace the house-made div64_32() with the standard div_u64*() functions. Signed-off-by: Takashi Iwai --- include/sound/pcm.h | 74 ----------------------------------------------- sound/core/oss/pcm_oss.c | 5 ++-- sound/core/pcm_lib.c | 3 +- sound/pci/rme9652/hdsp.c | 7 ++--- sound/pci/rme9652/hdspm.c | 4 +-- 5 files changed, 9 insertions(+), 84 deletions(-) (limited to 'include') diff --git a/include/sound/pcm.h b/include/sound/pcm.h index c17296891617..0caf71e16944 100644 --- a/include/sound/pcm.h +++ b/include/sound/pcm.h @@ -486,80 +486,6 @@ void snd_pcm_detach_substream(struct snd_pcm_substream *substream); void snd_pcm_vma_notify_data(void *client, void *data); int snd_pcm_mmap_data(struct snd_pcm_substream *substream, struct file *file, struct vm_area_struct *area); -#if BITS_PER_LONG >= 64 - -static inline void div64_32(u_int64_t *n, u_int32_t div, u_int32_t *rem) -{ - *rem = *n % div; - *n /= div; -} - -#elif defined(i386) - -static inline void div64_32(u_int64_t *n, u_int32_t div, u_int32_t *rem) -{ - u_int32_t low, high; - low = *n & 0xffffffff; - high = *n >> 32; - if (high) { - u_int32_t high1 = high % div; - high /= div; - asm("divl %2":"=a" (low), "=d" (*rem):"rm" (div), "a" (low), "d" (high1)); - *n = (u_int64_t)high << 32 | low; - } else { - *n = low / div; - *rem = low % div; - } -} -#else - -static inline void divl(u_int32_t high, u_int32_t low, - u_int32_t div, - u_int32_t *q, u_int32_t *r) -{ - u_int64_t n = (u_int64_t)high << 32 | low; - u_int64_t d = (u_int64_t)div << 31; - u_int32_t q1 = 0; - int c = 32; - while (n > 0xffffffffU) { - q1 <<= 1; - if (n >= d) { - n -= d; - q1 |= 1; - } - d >>= 1; - c--; - } - q1 <<= c; - if (n) { - low = n; - *q = q1 | (low / div); - *r = low % div; - } else { - *r = 0; - *q = q1; - } - return; -} - -static inline void div64_32(u_int64_t *n, u_int32_t div, u_int32_t *rem) -{ - u_int32_t low, high; - low = *n & 0xffffffff; - high = *n >> 32; - if (high) { - u_int32_t high1 = high % div; - u_int32_t low1 = low; - high /= div; - divl(high1, low1, div, &low, rem); - *n = (u_int64_t)high << 32 | low; - } else { - *n = low / div; - *rem = low % div; - } -} -#endif - /* * PCM library */ diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c index dda000b9684c..dbe406b82591 100644 --- a/sound/core/oss/pcm_oss.c +++ b/sound/core/oss/pcm_oss.c @@ -31,6 +31,7 @@ #include #include #include +#include #include #include #include @@ -617,9 +618,7 @@ static long snd_pcm_oss_bytes(struct snd_pcm_substream *substream, long frames) #else { u64 bsize = (u64)runtime->oss.buffer_bytes * (u64)bytes; - u32 rem; - div64_32(&bsize, buffer_size, &rem); - return (long)bsize; + return div_u64(bsize, buffer_size); } #endif } diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index d659995ac3ac..a7482874c451 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -22,6 +22,7 @@ #include #include +#include #include #include #include @@ -452,7 +453,7 @@ static inline unsigned int muldiv32(unsigned int a, unsigned int b, *r = 0; return UINT_MAX; } - div64_32(&n, c, r); + n = div_u64_rem(n, c, r); if (n >= UINT_MAX) { *r = 0; return UINT_MAX; diff --git a/sound/pci/rme9652/hdsp.c b/sound/pci/rme9652/hdsp.c index 314e73531bd1..bcfdbb5ebc40 100644 --- a/sound/pci/rme9652/hdsp.c +++ b/sound/pci/rme9652/hdsp.c @@ -28,6 +28,7 @@ #include #include #include +#include #include #include @@ -1047,7 +1048,6 @@ static int hdsp_set_interrupt_interval(struct hdsp *s, unsigned int frames) static void hdsp_set_dds_value(struct hdsp *hdsp, int rate) { u64 n; - u32 r; if (rate >= 112000) rate /= 4; @@ -1055,7 +1055,7 @@ static void hdsp_set_dds_value(struct hdsp *hdsp, int rate) rate /= 2; n = DDS_NUMERATOR; - div64_32(&n, rate, &r); + n = div_u64(n, rate); /* n should be less than 2^32 for being written to FREQ register */ snd_BUG_ON(n >> 32); /* HDSP_freqReg and HDSP_resetPointer are the same, so keep the DDS @@ -3097,7 +3097,6 @@ static int snd_hdsp_get_adat_sync_check(struct snd_kcontrol *kcontrol, struct sn static int hdsp_dds_offset(struct hdsp *hdsp) { u64 n; - u32 r; unsigned int dds_value = hdsp->dds_value; int system_sample_rate = hdsp->system_sample_rate; @@ -3109,7 +3108,7 @@ static int hdsp_dds_offset(struct hdsp *hdsp) * dds_value = n / rate * rate = n / dds_value */ - div64_32(&n, dds_value, &r); + n = div_u64(n, dds_value); if (system_sample_rate >= 112000) n *= 4; else if (system_sample_rate >= 56000) diff --git a/sound/pci/rme9652/hdspm.c b/sound/pci/rme9652/hdspm.c index bac2dc0c5d85..0dce331a2a3b 100644 --- a/sound/pci/rme9652/hdspm.c +++ b/sound/pci/rme9652/hdspm.c @@ -29,6 +29,7 @@ #include #include #include +#include #include #include @@ -831,7 +832,6 @@ static int hdspm_set_interrupt_interval(struct hdspm * s, unsigned int frames) static void hdspm_set_dds_value(struct hdspm *hdspm, int rate) { u64 n; - u32 r; if (rate >= 112000) rate /= 4; @@ -844,7 +844,7 @@ static void hdspm_set_dds_value(struct hdspm *hdspm, int rate) */ /* n = 104857600000000ULL; */ /* = 2^20 * 10^8 */ n = 110100480000000ULL; /* Value checked for AES32 and MADI */ - div64_32(&n, rate, &r); + n = div_u64(n, rate); /* n should be less than 2^32 for being written to FREQ register */ snd_BUG_ON(n >> 32); hdspm_write(hdspm, HDSPM_freqReg, (u32)n); -- cgit v1.2.3 From 2ac6bf4ddc87c3b6b609f8fa82f6ebbffeac12f4 Mon Sep 17 00:00:00 2001 From: Jack Morgenstein Date: Fri, 5 Jun 2009 10:36:24 -0700 Subject: IB/mlx4: Add strong ordering to local inval and fast reg work requests The ConnectX Programmer's Reference Manual states that the "SO" bit must be set when posting Fast Register and Local Invalidate send work requests. When this bit is set, the work request will be executed only after all previous work requests on the send queue have been executed. (If the bit is not set, Fast Register and Local Invalidate WQEs may begin execution too early, which violates the defined semantics for these operations) This fixes the issue with NFS/RDMA reported in Signed-off-by: Jack Morgenstein Cc: Signed-off-by: Roland Dreier --- drivers/infiniband/hw/mlx4/qp.c | 4 ++++ include/linux/mlx4/qp.h | 1 + 2 files changed, 5 insertions(+) (limited to 'include') diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 20724aee76f4..c4a02648c8af 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1585,12 +1585,16 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, break; case IB_WR_LOCAL_INV: + ctrl->srcrb_flags |= + cpu_to_be32(MLX4_WQE_CTRL_STRONG_ORDER); set_local_inv_seg(wqe, wr->ex.invalidate_rkey); wqe += sizeof (struct mlx4_wqe_local_inval_seg); size += sizeof (struct mlx4_wqe_local_inval_seg) / 16; break; case IB_WR_FAST_REG_MR: + ctrl->srcrb_flags |= + cpu_to_be32(MLX4_WQE_CTRL_STRONG_ORDER); set_fmr_seg(wqe, wr); wqe += sizeof (struct mlx4_wqe_fmr_seg); size += sizeof (struct mlx4_wqe_fmr_seg) / 16; diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h index bf8f11982dae..9f29d86e5dc9 100644 --- a/include/linux/mlx4/qp.h +++ b/include/linux/mlx4/qp.h @@ -165,6 +165,7 @@ enum { MLX4_WQE_CTRL_IP_CSUM = 1 << 4, MLX4_WQE_CTRL_TCP_UDP_CSUM = 1 << 5, MLX4_WQE_CTRL_INS_VLAN = 1 << 6, + MLX4_WQE_CTRL_STRONG_ORDER = 1 << 7, }; struct mlx4_wqe_ctrl_seg { -- cgit v1.2.3 From db429e9ec0f9dee2d8e50c154f04f29f880fc9d6 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 7 Jun 2009 13:52:52 +0200 Subject: partitions: add ->set_capacity block device method * Add ->set_capacity block device method and use it in rescan_partitions() to attempt enabling native capacity of the device upon detecting the partition which exceeds device capacity. * Add GENHD_FL_NATIVE_CAPACITY flag to try limit attempts of enabling native capacity during partition scan. Together with the consecutive patch implementing ->set_capacity method in ide-gd device driver this allows automatic disabling of Host Protected Area (HPA) if any partitions overlapping HPA are detected. Cc: Robert Hancock Cc: Frans Pop Cc: "Andries E. Brouwer" Acked-by: Al Viro Emphatically-Acked-by: Alan Cox Signed-off-by: Bartlomiej Zolnierkiewicz --- fs/partitions/check.c | 43 ++++++++++++++++++++++++++++++++----------- include/linux/blkdev.h | 2 ++ include/linux/genhd.h | 1 + 3 files changed, 35 insertions(+), 11 deletions(-) (limited to 'include') diff --git a/fs/partitions/check.c b/fs/partitions/check.c index 137a708bb215..4bc2c43fa083 100644 --- a/fs/partitions/check.c +++ b/fs/partitions/check.c @@ -546,28 +546,49 @@ int rescan_partitions(struct gendisk *disk, struct block_device *bdev) /* add partitions */ for (p = 1; p < state->limit; p++) { - sector_t size = state->parts[p].size; - sector_t from = state->parts[p].from; + sector_t size, from; +try_scan: + size = state->parts[p].size; if (!size) continue; + + from = state->parts[p].from; if (from >= get_capacity(disk)) { printk(KERN_WARNING "%s: p%d ignored, start %llu is behind the end of the disk\n", disk->disk_name, p, (unsigned long long) from); continue; } + if (from + size > get_capacity(disk)) { - /* - * we can not ignore partitions of broken tables - * created by for example camera firmware, but we - * limit them to the end of the disk to avoid - * creating invalid block devices - */ + struct block_device_operations *bdops = disk->fops; + unsigned long long capacity; + printk(KERN_WARNING - "%s: p%d size %llu exceeds device capacity, " - "limited to end of disk\n", + "%s: p%d size %llu exceeds device capacity, ", disk->disk_name, p, (unsigned long long) size); - size = get_capacity(disk) - from; + + if (bdops->set_capacity && + (disk->flags & GENHD_FL_NATIVE_CAPACITY) == 0) { + printk(KERN_CONT "enabling native capacity\n"); + capacity = bdops->set_capacity(disk, ~0ULL); + disk->flags |= GENHD_FL_NATIVE_CAPACITY; + if (capacity > get_capacity(disk)) { + set_capacity(disk, capacity); + check_disk_size_change(disk, bdev); + bdev->bd_invalidated = 0; + } + goto try_scan; + } else { + /* + * we can not ignore partitions of broken tables + * created by for example camera firmware, but + * we limit them to the end of the disk to avoid + * creating invalid block devices + */ + printk(KERN_CONT "limited to end of disk\n"); + size = get_capacity(disk) - from; + } } part = add_partition(disk, p, from, size, state->parts[p].flags); diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 6f841fb1be30..a2d7298be351 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1106,6 +1106,8 @@ struct block_device_operations { int (*direct_access) (struct block_device *, sector_t, void **, unsigned long *); int (*media_changed) (struct gendisk *); + unsigned long long (*set_capacity) (struct gendisk *, + unsigned long long); int (*revalidate_disk) (struct gendisk *); int (*getgeo)(struct block_device *, struct hd_geometry *); struct module *owner; diff --git a/include/linux/genhd.h b/include/linux/genhd.h index 634c53028fb8..239e24b081a9 100644 --- a/include/linux/genhd.h +++ b/include/linux/genhd.h @@ -113,6 +113,7 @@ struct hd_struct { #define GENHD_FL_UP 16 #define GENHD_FL_SUPPRESS_PARTITION_INFO 32 #define GENHD_FL_EXT_DEVT 64 /* allow extended devt */ +#define GENHD_FL_NATIVE_CAPACITY 128 #define BLK_SCSI_MAX_CMDS (256) #define BLK_SCSI_CMD_PER_LONG (BLK_SCSI_MAX_CMDS / (sizeof(long) * 8)) -- cgit v1.2.3 From e957b60d1583022a0f7c03267d37fcae2ddb78b1 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 7 Jun 2009 13:52:52 +0200 Subject: ide-gd: implement block device ->set_capacity method (v2) * Use ->probed_capacity to store native device capacity for ATA disks. * Add ->set_capacity method to struct ide_disk_ops. * Implement disk device ->set_capacity method for ATA disks. * Implement block device ->set_capacity method. v2: * Check if LBA and HPA are supported in ide_disk_set_capacity(). * According to the spec the SET MAX ADDRESS command shall be immediately preceded by a READ NATIVE MAX ADDRESS command. * Add ide_disk_hpa_{get_native,set}_capacity() helpers. Together with the previous patch adding ->set_capacity block device method this allows automatic disabling of Host Protected Area (HPA) if any partitions overlapping HPA are detected. Cc: Robert Hancock Cc: Frans Pop Cc: "Andries E. Brouwer" Cc: Al Viro Emphatically-Acked-by: Alan Cox Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/ide-disk.c | 67 +++++++++++++++++++++++++++++++++++++++++--------- drivers/ide/ide-gd.c | 14 +++++++++++ include/linux/ide.h | 4 +-- 3 files changed, 72 insertions(+), 13 deletions(-) (limited to 'include') diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index a9fbe2c31210..61a6d3546221 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -302,14 +302,12 @@ static const struct drive_list_entry hpa_list[] = { { NULL, NULL } }; -static void idedisk_check_hpa(ide_drive_t *drive) +static u64 ide_disk_hpa_get_native_capacity(ide_drive_t *drive, int lba48) { - unsigned long long capacity, set_max; - int lba48 = ata_id_lba48_enabled(drive->id); + u64 capacity, set_max; capacity = drive->capacity64; - - set_max = idedisk_read_native_max_address(drive, lba48); + set_max = idedisk_read_native_max_address(drive, lba48); if (ide_in_drive_list(drive->id, hpa_list)) { /* @@ -320,9 +318,31 @@ static void idedisk_check_hpa(ide_drive_t *drive) set_max--; } + return set_max; +} + +static u64 ide_disk_hpa_set_capacity(ide_drive_t *drive, u64 set_max, int lba48) +{ + set_max = idedisk_set_max_address(drive, set_max, lba48); + if (set_max) + drive->capacity64 = set_max; + + return set_max; +} + +static void idedisk_check_hpa(ide_drive_t *drive) +{ + u64 capacity, set_max; + int lba48 = ata_id_lba48_enabled(drive->id); + + capacity = drive->capacity64; + set_max = ide_disk_hpa_get_native_capacity(drive, lba48); + if (set_max <= capacity) return; + drive->probed_capacity = set_max; + printk(KERN_INFO "%s: Host Protected Area detected.\n" "\tcurrent capacity is %llu sectors (%llu MB)\n" "\tnative capacity is %llu sectors (%llu MB)\n", @@ -330,13 +350,10 @@ static void idedisk_check_hpa(ide_drive_t *drive) capacity, sectors_to_MB(capacity), set_max, sectors_to_MB(set_max)); - set_max = idedisk_set_max_address(drive, set_max, lba48); - - if (set_max) { - drive->capacity64 = set_max; + set_max = ide_disk_hpa_set_capacity(drive, set_max, lba48); + if (set_max) printk(KERN_INFO "%s: Host Protected Area disabled.\n", drive->name); - } } static int ide_disk_get_capacity(ide_drive_t *drive) @@ -358,6 +375,8 @@ static int ide_disk_get_capacity(ide_drive_t *drive) drive->capacity64 = drive->cyl * drive->head * drive->sect; } + drive->probed_capacity = drive->capacity64; + if (lba) { drive->dev_flags |= IDE_DFLAG_LBA; @@ -376,7 +395,7 @@ static int ide_disk_get_capacity(ide_drive_t *drive) "%llu sectors (%llu MB)\n", drive->name, (unsigned long long)drive->capacity64, sectors_to_MB(drive->capacity64)); - drive->capacity64 = 1ULL << 28; + drive->probed_capacity = drive->capacity64 = 1ULL << 28; } if ((drive->hwif->host_flags & IDE_HFLAG_NO_LBA48_DMA) && @@ -392,6 +411,31 @@ static int ide_disk_get_capacity(ide_drive_t *drive) return 0; } +static u64 ide_disk_set_capacity(ide_drive_t *drive, u64 capacity) +{ + u64 set = min(capacity, drive->probed_capacity); + u16 *id = drive->id; + int lba48 = ata_id_lba48_enabled(id); + + if ((drive->dev_flags & IDE_DFLAG_LBA) == 0 || + ata_id_hpa_enabled(id) == 0) + goto out; + + /* + * according to the spec the SET MAX ADDRESS command shall be + * immediately preceded by a READ NATIVE MAX ADDRESS command + */ + capacity = ide_disk_hpa_get_native_capacity(drive, lba48); + if (capacity == 0) + goto out; + + set = ide_disk_hpa_set_capacity(drive, set, lba48); + if (set) + return set; +out: + return drive->capacity64; +} + static void idedisk_prepare_flush(struct request_queue *q, struct request *rq) { ide_drive_t *drive = q->queuedata; @@ -741,6 +785,7 @@ static int ide_disk_set_doorlock(ide_drive_t *drive, struct gendisk *disk, const struct ide_disk_ops ide_ata_disk_ops = { .check = ide_disk_check, + .set_capacity = ide_disk_set_capacity, .get_capacity = ide_disk_get_capacity, .setup = ide_disk_setup, .flush = ide_disk_flush, diff --git a/drivers/ide/ide-gd.c b/drivers/ide/ide-gd.c index 4b6b71e2cdf5..214119026b3f 100644 --- a/drivers/ide/ide-gd.c +++ b/drivers/ide/ide-gd.c @@ -287,6 +287,19 @@ static int ide_gd_media_changed(struct gendisk *disk) return ret; } +static unsigned long long ide_gd_set_capacity(struct gendisk *disk, + unsigned long long capacity) +{ + struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj); + ide_drive_t *drive = idkp->drive; + const struct ide_disk_ops *disk_ops = drive->disk_ops; + + if (disk_ops->set_capacity) + return disk_ops->set_capacity(drive, capacity); + + return drive->capacity64; +} + static int ide_gd_revalidate_disk(struct gendisk *disk) { struct ide_disk_obj *idkp = ide_drv_g(disk, ide_disk_obj); @@ -315,6 +328,7 @@ static struct block_device_operations ide_gd_ops = { .locked_ioctl = ide_gd_ioctl, .getgeo = ide_gd_getgeo, .media_changed = ide_gd_media_changed, + .set_capacity = ide_gd_set_capacity, .revalidate_disk = ide_gd_revalidate_disk }; diff --git a/include/linux/ide.h b/include/linux/ide.h index 9fed365a598b..e96ace12872a 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -397,6 +397,7 @@ struct ide_drive_s; struct ide_disk_ops { int (*check)(struct ide_drive_s *, const char *); int (*get_capacity)(struct ide_drive_s *); + u64 (*set_capacity)(struct ide_drive_s *, u64); void (*setup)(struct ide_drive_s *); void (*flush)(struct ide_drive_s *); int (*init_media)(struct ide_drive_s *, struct gendisk *); @@ -568,8 +569,7 @@ struct ide_drive_s { unsigned int drive_data; /* used by set_pio_mode/dev_select() */ unsigned int failures; /* current failure count */ unsigned int max_failures; /* maximum allowed failure count */ - u64 probed_capacity;/* initial reported media capacity (ide-cd only currently) */ - + u64 probed_capacity;/* initial/native media capacity */ u64 capacity64; /* total number of sectors */ int lun; /* logical unit */ -- cgit v1.2.3 From 075affcbe01d4d7cefcd0e30a98df1253bcf8d92 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 7 Jun 2009 13:52:52 +0200 Subject: ide: preserve Host Protected Area by default (v2) From the perspective of most users of recent systems, disabling Host Protected Area (HPA) can break vendor RAID formats, GPT partitions and risks corrupting firmware or overwriting vendor system recovery tools. Unfortunately the original (kernels < 2.6.30) behavior (unconditionally disabling HPA and using full disk capacity) was introduced at the time when the main use of HPA was to make the drive look small enough for the BIOS to allow the system to boot with large capacity drives. Thus to allow the maximum compatibility with the existing setups (using HPA and partitioned with HPA disabled) we automically disable HPA if any partitions overlapping HPA are detected. Additionally HPA can also be disabled using the "nohpa" module parameter (i.e. "ide_core.nohpa=0.0" to disable HPA on /dev/hda). v2: Fix ->resume HPA support. While at it: - remove stale "idebus=" entry from Documentation/kernel-parameters.txt Cc: Robert Hancock Cc: Frans Pop Cc: "Andries E. Brouwer" Cc: Al Viro Acked-by: Sergei Shtylyov [patch description was based on input from Alan Cox and Frans Pop] Emphatically-Acked-by: Alan Cox Signed-off-by: Bartlomiej Zolnierkiewicz --- Documentation/ide/ide.txt | 2 ++ Documentation/kernel-parameters.txt | 7 ++----- drivers/ide/ide-disk.c | 8 +++++++- drivers/ide/ide.c | 10 ++++++++++ include/linux/ide.h | 2 ++ 5 files changed, 23 insertions(+), 6 deletions(-) (limited to 'include') diff --git a/Documentation/ide/ide.txt b/Documentation/ide/ide.txt index 0c78f4b1d9d9..e77bebfa7b0d 100644 --- a/Documentation/ide/ide.txt +++ b/Documentation/ide/ide.txt @@ -216,6 +216,8 @@ Other kernel parameters for ide_core are: * "noflush=[interface_number.device_number]" to disable flush requests +* "nohpa=[interface_number.device_number]" to disable Host Protected Area + * "noprobe=[interface_number.device_number]" to skip probing * "nowerr=[interface_number.device_number]" to ignore the WRERR_STAT bit diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index a19f021f081a..e58c91ca802c 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -835,11 +835,8 @@ and is between 256 and 4096 characters. It is defined in the file ide-core.nodma= [HW] (E)IDE subsystem Format: =0.0 to prevent dma on hda, =0.1 hdb =1.0 hdc - .vlb_clock .pci_clock .noflush .noprobe .nowerr .cdrom - .chs .ignore_cable are additional options - See Documentation/ide/ide.txt. - - idebus= [HW] (E)IDE subsystem - VLB/PCI bus speed + .vlb_clock .pci_clock .noflush .nohpa .noprobe .nowerr + .cdrom .chs .ignore_cable are additional options See Documentation/ide/ide.txt. ide-pci-generic.all-generic-ide [HW] (E)IDE subsystem diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 61a6d3546221..3d92c9d54d47 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -350,6 +350,9 @@ static void idedisk_check_hpa(ide_drive_t *drive) capacity, sectors_to_MB(capacity), set_max, sectors_to_MB(set_max)); + if ((drive->dev_flags & IDE_DFLAG_NOHPA) == 0) + return; + set_max = ide_disk_hpa_set_capacity(drive, set_max, lba48); if (set_max) printk(KERN_INFO "%s: Host Protected Area disabled.\n", @@ -430,8 +433,11 @@ static u64 ide_disk_set_capacity(ide_drive_t *drive, u64 capacity) goto out; set = ide_disk_hpa_set_capacity(drive, set, lba48); - if (set) + if (set) { + /* needed for ->resume to disable HPA */ + drive->dev_flags |= IDE_DFLAG_NOHPA; return set; + } out: return drive->capacity64; } diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 92c9b90931e7..16d056939f9f 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -211,6 +211,11 @@ static unsigned int ide_noflush; module_param_call(noflush, ide_set_dev_param_mask, NULL, &ide_noflush, 0); MODULE_PARM_DESC(noflush, "disable flush requests for a device"); +static unsigned int ide_nohpa; + +module_param_call(nohpa, ide_set_dev_param_mask, NULL, &ide_nohpa, 0); +MODULE_PARM_DESC(nohpa, "disable Host Protected Area for a device"); + static unsigned int ide_noprobe; module_param_call(noprobe, ide_set_dev_param_mask, NULL, &ide_noprobe, 0); @@ -281,6 +286,11 @@ static void ide_dev_apply_params(ide_drive_t *drive, u8 unit) drive->name); drive->dev_flags |= IDE_DFLAG_NOFLUSH; } + if (ide_nohpa & (1 << i)) { + printk(KERN_INFO "ide: disabling Host Protected Area for %s\n", + drive->name); + drive->dev_flags |= IDE_DFLAG_NOHPA; + } if (ide_noprobe & (1 << i)) { printk(KERN_INFO "ide: skipping probe for %s\n", drive->name); drive->dev_flags |= IDE_DFLAG_NOPROBE; diff --git a/include/linux/ide.h b/include/linux/ide.h index e96ace12872a..45dce3b4c88c 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -475,6 +475,8 @@ enum { IDE_DFLAG_NICE1 = (1 << 5), /* device is physically present */ IDE_DFLAG_PRESENT = (1 << 6), + /* disable Host Protected Area */ + IDE_DFLAG_NOHPA = (1 << 7), /* id read from device (synthetic if not set) */ IDE_DFLAG_ID_READ = (1 << 8), IDE_DFLAG_NOPROBE = (1 << 9), -- cgit v1.2.3 From 8bc1e5aa06a2a9a425c4a6795fc564cba1521487 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 7 Jun 2009 15:37:09 +0200 Subject: ide: respect quirk_drives[] list on all controllers * Add ide_check_nien_quirk_list() helper to the core code and then use it in ide_port_tune_devices(). * Remove no longer needed ->quirkproc methods from hpt366.c and pdc202xx_{new,old}.c. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/hpt366.c | 27 --------------------------- drivers/ide/ide-iops.c | 25 +++++++++++++++++++++++++ drivers/ide/ide-probe.c | 2 ++ drivers/ide/pdc202xx_new.c | 26 -------------------------- drivers/ide/pdc202xx_old.c | 27 --------------------------- include/linux/ide.h | 1 + 6 files changed, 28 insertions(+), 80 deletions(-) (limited to 'include') diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c index cb04523e31cb..a2e9f6c65a93 100644 --- a/drivers/ide/hpt366.c +++ b/drivers/ide/hpt366.c @@ -138,18 +138,6 @@ #undef HPT_RESET_STATE_ENGINE #undef HPT_DELAY_INTERRUPT -static const char *quirk_drives[] = { - "QUANTUM FIREBALLlct08 08", - "QUANTUM FIREBALLP KA6.4", - "QUANTUM FIREBALLP KA9.1", - "QUANTUM FIREBALLP KX13.6", - "QUANTUM FIREBALLP KX20.5", - "QUANTUM FIREBALLP KX27.3", - "QUANTUM FIREBALLP LM20.4", - "QUANTUM FIREBALLP LM20.5", - NULL -}; - static const char *bad_ata100_5[] = { "IBM-DTLA-307075", "IBM-DTLA-307060", @@ -733,20 +721,6 @@ static void hpt3xx_set_pio_mode(ide_drive_t *drive, const u8 pio) hpt3xx_set_mode(drive, XFER_PIO_0 + pio); } -static void hpt3xx_quirkproc(ide_drive_t *drive) -{ - char *m = (char *)&drive->id[ATA_ID_PROD]; - const char **list = quirk_drives; - - while (*list) - if (strstr(m, *list++)) { - drive->quirk_list = 2; - return; - } - - drive->quirk_list = 0; -} - static void hpt3xx_maskproc(ide_drive_t *drive, int mask) { ide_hwif_t *hwif = drive->hwif; @@ -1408,7 +1382,6 @@ static int __devinit hpt36x_init(struct pci_dev *dev, struct pci_dev *dev2) static const struct ide_port_ops hpt3xx_port_ops = { .set_pio_mode = hpt3xx_set_pio_mode, .set_dma_mode = hpt3xx_set_mode, - .quirkproc = hpt3xx_quirkproc, .maskproc = hpt3xx_maskproc, .mdma_filter = hpt3xx_mdma_filter, .udma_filter = hpt3xx_udma_filter, diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index 8dff623f9da3..c55349537c27 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -282,6 +282,31 @@ no_80w: return 0; } +static const char *nien_quirk_list[] = { + "QUANTUM FIREBALLlct08 08", + "QUANTUM FIREBALLP KA6.4", + "QUANTUM FIREBALLP KA9.1", + "QUANTUM FIREBALLP KX13.6", + "QUANTUM FIREBALLP KX20.5", + "QUANTUM FIREBALLP KX27.3", + "QUANTUM FIREBALLP LM20.4", + "QUANTUM FIREBALLP LM20.5", + NULL +}; + +void ide_check_nien_quirk_list(ide_drive_t *drive) +{ + const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; + + for (list = nien_quirk_list; *list != NULL; list++) + if (strstr(m, *list) != NULL) { + drive->quirk_list = 2; + return; + } + + drive->quirk_list = 0; +} + int ide_driveid_update(ide_drive_t *drive) { u16 *id; diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 89574b0bd56d..28f95cb41c29 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -732,6 +732,8 @@ static void ide_port_tune_devices(ide_hwif_t *hwif) int i; ide_port_for_each_present_dev(i, drive, hwif) { + ide_check_nien_quirk_list(drive); + if (port_ops && port_ops->quirkproc) port_ops->quirkproc(drive); } diff --git a/drivers/ide/pdc202xx_new.c b/drivers/ide/pdc202xx_new.c index b68906c3c17e..65ba8239e7b5 100644 --- a/drivers/ide/pdc202xx_new.c +++ b/drivers/ide/pdc202xx_new.c @@ -40,18 +40,6 @@ #define DBG(fmt, args...) #endif -static const char *pdc_quirk_drives[] = { - "QUANTUM FIREBALLlct08 08", - "QUANTUM FIREBALLP KA6.4", - "QUANTUM FIREBALLP KA9.1", - "QUANTUM FIREBALLP LM20.4", - "QUANTUM FIREBALLP KX13.6", - "QUANTUM FIREBALLP KX20.5", - "QUANTUM FIREBALLP KX27.3", - "QUANTUM FIREBALLP LM20.5", - NULL -}; - static u8 max_dma_rate(struct pci_dev *pdev) { u8 mode; @@ -200,19 +188,6 @@ static u8 pdcnew_cable_detect(ide_hwif_t *hwif) return ATA_CBL_PATA80; } -static void pdcnew_quirkproc(ide_drive_t *drive) -{ - const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; - - for (list = pdc_quirk_drives; *list != NULL; list++) - if (strstr(m, *list) != NULL) { - drive->quirk_list = 2; - return; - } - - drive->quirk_list = 0; -} - static void pdcnew_reset(ide_drive_t *drive) { /* @@ -473,7 +448,6 @@ static struct pci_dev * __devinit pdc20270_get_dev2(struct pci_dev *dev) static const struct ide_port_ops pdcnew_port_ops = { .set_pio_mode = pdcnew_set_pio_mode, .set_dma_mode = pdcnew_set_dma_mode, - .quirkproc = pdcnew_quirkproc, .resetproc = pdcnew_reset, .cable_detect = pdcnew_cable_detect, }; diff --git a/drivers/ide/pdc202xx_old.c b/drivers/ide/pdc202xx_old.c index 4980dd7b2e28..fe01db679a39 100644 --- a/drivers/ide/pdc202xx_old.c +++ b/drivers/ide/pdc202xx_old.c @@ -23,18 +23,6 @@ #define PDC202XX_DEBUG_DRIVE_INFO 0 -static const char *pdc_quirk_drives[] = { - "QUANTUM FIREBALLlct08 08", - "QUANTUM FIREBALLP KA6.4", - "QUANTUM FIREBALLP KA9.1", - "QUANTUM FIREBALLP LM20.4", - "QUANTUM FIREBALLP KX13.6", - "QUANTUM FIREBALLP KX20.5", - "QUANTUM FIREBALLP KX27.3", - "QUANTUM FIREBALLP LM20.5", - NULL -}; - static void pdc_old_disable_66MHz_clock(ide_hwif_t *); static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed) @@ -151,19 +139,6 @@ static void pdc_old_disable_66MHz_clock(ide_hwif_t *hwif) outb(clock & ~(hwif->channel ? 0x08 : 0x02), clock_reg); } -static void pdc202xx_quirkproc(ide_drive_t *drive) -{ - const char **list, *m = (char *)&drive->id[ATA_ID_PROD]; - - for (list = pdc_quirk_drives; *list != NULL; list++) - if (strstr(m, *list) != NULL) { - drive->quirk_list = 2; - return; - } - - drive->quirk_list = 0; -} - static void pdc202xx_dma_start(ide_drive_t *drive) { if (drive->current_speed > XFER_UDMA_2) @@ -256,13 +231,11 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev, static const struct ide_port_ops pdc20246_port_ops = { .set_pio_mode = pdc202xx_set_pio_mode, .set_dma_mode = pdc202xx_set_mode, - .quirkproc = pdc202xx_quirkproc, }; static const struct ide_port_ops pdc2026x_port_ops = { .set_pio_mode = pdc202xx_set_pio_mode, .set_dma_mode = pdc202xx_set_mode, - .quirkproc = pdc202xx_quirkproc, .cable_detect = pdc2026x_cable_detect, }; diff --git a/include/linux/ide.h b/include/linux/ide.h index c8f7b9673710..6caaae0c7743 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -1453,6 +1453,7 @@ static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {} void ide_register_region(struct gendisk *); void ide_unregister_region(struct gendisk *); +void ide_check_nien_quirk_list(ide_drive_t *); void ide_undecoded_slave(ide_drive_t *); void ide_port_apply_params(ide_hwif_t *); -- cgit v1.2.3 From 734affdcae20af4fec95e46a64fb29f063a15c19 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Sun, 7 Jun 2009 15:37:10 +0200 Subject: ide: add IDE_DFLAG_NIEN_QUIRK device flag Add IDE_DFLAG_NIEN_QUIRK device flag and use it instead of drive->quirk_list. There should be no functional changes caused by this patch. Acked-by: Sergei Shtylyov Signed-off-by: Bartlomiej Zolnierkiewicz --- drivers/ide/hpt366.c | 2 +- drivers/ide/ide-eh.c | 5 +++-- drivers/ide/ide-io.c | 8 ++++++-- drivers/ide/ide-iops.c | 6 ++---- include/linux/ide.h | 2 +- 5 files changed, 13 insertions(+), 10 deletions(-) (limited to 'include') diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c index a2e9f6c65a93..7ce68ef6b904 100644 --- a/drivers/ide/hpt366.c +++ b/drivers/ide/hpt366.c @@ -727,7 +727,7 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask) struct pci_dev *dev = to_pci_dev(hwif->dev); struct hpt_info *info = hpt3xx_get_info(hwif->dev); - if (drive->quirk_list == 0) + if ((drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) == 0) return; if (info->chip_type >= HPT370) { diff --git a/drivers/ide/ide-eh.c b/drivers/ide/ide-eh.c index 39d589254d41..2b9141979613 100644 --- a/drivers/ide/ide-eh.c +++ b/drivers/ide/ide-eh.c @@ -407,8 +407,9 @@ static ide_startstop_t do_reset1(ide_drive_t *drive, int do_not_try_atapi) /* more than enough time */ udelay(10); /* clear SRST, leave nIEN (unless device is on the quirk list) */ - tp_ops->write_devctl(hwif, (drive->quirk_list == 2 ? 0 : ATA_NIEN) | - ATA_DEVCTL_OBS); + tp_ops->write_devctl(hwif, + ((drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) ? 0 : ATA_NIEN) | + ATA_DEVCTL_OBS); /* more than enough time */ udelay(10); hwif->poll_timeout = jiffies + WAIT_WORSTCASE; diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index 9654bd34cf52..243cf6561e7e 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -488,11 +488,15 @@ repeat: if ((hwif->host->host_flags & IDE_HFLAG_SERIALIZE) && hwif != prev_port) { + ide_drive_t *cur_dev = + prev_port ? prev_port->cur_dev : NULL; + /* * set nIEN for previous port, drives in the - * quirk_list may not like intr setups/cleanups + * quirk list may not like intr setups/cleanups */ - if (prev_port && prev_port->cur_dev->quirk_list == 0) + if (cur_dev && + (cur_dev->dev_flags & IDE_DFLAG_NIEN_QUIRK) == 0) prev_port->tp_ops->write_devctl(prev_port, ATA_NIEN | ATA_DEVCTL_OBS); diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c index c55349537c27..fa047150a1c6 100644 --- a/drivers/ide/ide-iops.c +++ b/drivers/ide/ide-iops.c @@ -300,11 +300,9 @@ void ide_check_nien_quirk_list(ide_drive_t *drive) for (list = nien_quirk_list; *list != NULL; list++) if (strstr(m, *list) != NULL) { - drive->quirk_list = 2; + drive->dev_flags |= IDE_DFLAG_NIEN_QUIRK; return; } - - drive->quirk_list = 0; } int ide_driveid_update(ide_drive_t *drive) @@ -389,7 +387,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed) tp_ops->exec_command(hwif, ATA_CMD_SET_FEATURES); - if (drive->quirk_list == 2) + if (drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS); error = __ide_wait_stat(drive, drive->ready_stat, diff --git a/include/linux/ide.h b/include/linux/ide.h index 6caaae0c7743..a6c6a2fad7c8 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -499,6 +499,7 @@ enum { /* write protect */ IDE_DFLAG_WP = (1 << 29), IDE_DFLAG_FORMAT_IN_PROGRESS = (1 << 30), + IDE_DFLAG_NIEN_QUIRK = (1 << 31), }; struct ide_drive_s { @@ -530,7 +531,6 @@ struct ide_drive_s { u8 waiting_for_dma; /* dma currently in progress */ u8 dma; /* atapi dma flag */ - u8 quirk_list; /* considered quirky, set for a specific host */ u8 init_speed; /* transfer rate set at boot */ u8 current_speed; /* current transfer rate set */ u8 desired_speed; /* desired transfer rate set */ -- cgit v1.2.3 From 226c7ffe74474257b4b87bd38ae8ba0030cf65e2 Mon Sep 17 00:00:00 2001 From: Joe Eykholt Date: Wed, 6 May 2009 10:52:51 -0700 Subject: [SCSI] net, libfcoe: Add the FCoE Initialization Protocol ethertype FIP is the FCoE Initialization Protocol and this patch adds the protocol ethertype to the kernel's list of ethertypes. Signed-off-by: Joe Eykholt Signed-off-by: Robert Love Acked-by: David S. Miller Signed-off-by: James Bottomley --- include/linux/if_ether.h | 1 + include/scsi/fc/fc_fip.h | 7 ------- 2 files changed, 1 insertion(+), 7 deletions(-) (limited to 'include') diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index cfe4fe1b7132..60e8934d10b5 100644 --- a/include/linux/if_ether.h +++ b/include/linux/if_ether.h @@ -79,6 +79,7 @@ #define ETH_P_AOE 0x88A2 /* ATA over Ethernet */ #define ETH_P_TIPC 0x88CA /* TIPC */ #define ETH_P_FCOE 0x8906 /* Fibre Channel over Ethernet */ +#define ETH_P_FIP 0x8914 /* FCoE Initialization Protocol */ #define ETH_P_EDSA 0xDADA /* Ethertype DSA [ NOT AN OFFICIALLY REGISTERED ID ] */ /* diff --git a/include/scsi/fc/fc_fip.h b/include/scsi/fc/fc_fip.h index 0627a9ae6347..3d138c1fcf8a 100644 --- a/include/scsi/fc/fc_fip.h +++ b/include/scsi/fc/fc_fip.h @@ -22,13 +22,6 @@ * http://www.t11.org/ftp/t11/pub/fc/bb-5/08-543v1.pdf */ -/* - * The FIP ethertype eventually goes in net/if_ether.h. - */ -#ifndef ETH_P_FIP -#define ETH_P_FIP 0x8914 /* FIP Ethertype */ -#endif - #define FIP_DEF_PRI 128 /* default selection priority */ #define FIP_DEF_FC_MAP 0x0efc00 /* default FCoE MAP (MAC OUI) value */ #define FIP_DEF_FKA 8000 /* default FCF keep-alive/advert period (mS) */ -- cgit v1.2.3 From 151060ac13144208bd7601d17e4c92c59b98072f Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Tue, 14 Apr 2009 10:54:54 +0900 Subject: CUSE: implement CUSE - Character device in Userspace CUSE enables implementing character devices in userspace. With recent additions of ioctl and poll support, FUSE already has most of what's necessary to implement character devices. All CUSE has to do is bonding all those components - FUSE, chardev and the driver model - nicely. When client opens /dev/cuse, kernel starts conversation with CUSE_INIT. The client tells CUSE which device it wants to create. As the previous patch made fuse_file usable without associated fuse_inode, CUSE doesn't create super block or inodes. It attaches fuse_file to cdev file->private_data during open and set ff->fi to NULL. The rest of the operation is almost identical to FUSE direct IO case. Each CUSE device has a corresponding directory /sys/class/cuse/DEVNAME (which is symlink to /sys/devices/virtual/class/DEVNAME if SYSFS_DEPRECATED is turned off) which hosts "waiting" and "abort" among other things. Those two files have the same meaning as the FUSE control files. The only notable lacking feature compared to in-kernel implementation is mmap support. Signed-off-by: Tejun Heo Signed-off-by: Miklos Szeredi --- fs/Kconfig | 10 + fs/fuse/Makefile | 1 + fs/fuse/cuse.c | 610 +++++++++++++++++++++++++++++++++++++++++++++++++++ include/linux/fuse.h | 31 +++ 4 files changed, 652 insertions(+) create mode 100644 fs/fuse/cuse.c (limited to 'include') diff --git a/fs/Kconfig b/fs/Kconfig index 9f7270f36b2a..525da2e8f73b 100644 --- a/fs/Kconfig +++ b/fs/Kconfig @@ -62,6 +62,16 @@ source "fs/autofs/Kconfig" source "fs/autofs4/Kconfig" source "fs/fuse/Kconfig" +config CUSE + tristate "Character device in Userpace support" + depends on FUSE_FS + help + This FUSE extension allows character devices to be + implemented in userspace. + + If you want to develop or use userspace character device + based on CUSE, answer Y or M. + config GENERIC_ACL bool select FS_POSIX_ACL diff --git a/fs/fuse/Makefile b/fs/fuse/Makefile index 72437065f6ad..e95eeb445e58 100644 --- a/fs/fuse/Makefile +++ b/fs/fuse/Makefile @@ -3,5 +3,6 @@ # obj-$(CONFIG_FUSE_FS) += fuse.o +obj-$(CONFIG_CUSE) += cuse.o fuse-objs := dev.o dir.o file.o inode.o control.o diff --git a/fs/fuse/cuse.c b/fs/fuse/cuse.c new file mode 100644 index 000000000000..de792dcf3274 --- /dev/null +++ b/fs/fuse/cuse.c @@ -0,0 +1,610 @@ +/* + * CUSE: Character device in Userspace + * + * Copyright (C) 2008-2009 SUSE Linux Products GmbH + * Copyright (C) 2008-2009 Tejun Heo + * + * This file is released under the GPLv2. + * + * CUSE enables character devices to be implemented from userland much + * like FUSE allows filesystems. On initialization /dev/cuse is + * created. By opening the file and replying to the CUSE_INIT request + * userland CUSE server can create a character device. After that the + * operation is very similar to FUSE. + * + * A CUSE instance involves the following objects. + * + * cuse_conn : contains fuse_conn and serves as bonding structure + * channel : file handle connected to the userland CUSE server + * cdev : the implemented character device + * dev : generic device for cdev + * + * Note that 'channel' is what 'dev' is in FUSE. As CUSE deals with + * devices, it's called 'channel' to reduce confusion. + * + * channel determines when the character device dies. When channel is + * closed, everything begins to destruct. The cuse_conn is taken off + * the lookup table preventing further access from cdev, cdev and + * generic device are removed and the base reference of cuse_conn is + * put. + * + * On each open, the matching cuse_conn is looked up and if found an + * additional reference is taken which is released when the file is + * closed. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "fuse_i.h" + +#define CUSE_CONNTBL_LEN 64 + +struct cuse_conn { + struct list_head list; /* linked on cuse_conntbl */ + struct fuse_conn fc; /* fuse connection */ + struct cdev *cdev; /* associated character device */ + struct device *dev; /* device representing @cdev */ + + /* init parameters, set once during initialization */ + bool unrestricted_ioctl; +}; + +static DEFINE_SPINLOCK(cuse_lock); /* protects cuse_conntbl */ +static struct list_head cuse_conntbl[CUSE_CONNTBL_LEN]; +static struct class *cuse_class; + +static struct cuse_conn *fc_to_cc(struct fuse_conn *fc) +{ + return container_of(fc, struct cuse_conn, fc); +} + +static struct list_head *cuse_conntbl_head(dev_t devt) +{ + return &cuse_conntbl[(MAJOR(devt) + MINOR(devt)) % CUSE_CONNTBL_LEN]; +} + + +/************************************************************************** + * CUSE frontend operations + * + * These are file operations for the character device. + * + * On open, CUSE opens a file from the FUSE mnt and stores it to + * private_data of the open file. All other ops call FUSE ops on the + * FUSE file. + */ + +static ssize_t cuse_read(struct file *file, char __user *buf, size_t count, + loff_t *ppos) +{ + loff_t pos = 0; + + return fuse_direct_io(file, buf, count, &pos, 0); +} + +static ssize_t cuse_write(struct file *file, const char __user *buf, + size_t count, loff_t *ppos) +{ + loff_t pos = 0; + /* + * No locking or generic_write_checks(), the server is + * responsible for locking and sanity checks. + */ + return fuse_direct_io(file, buf, count, &pos, 1); +} + +static int cuse_open(struct inode *inode, struct file *file) +{ + dev_t devt = inode->i_cdev->dev; + struct cuse_conn *cc = NULL, *pos; + int rc; + + /* look up and get the connection */ + spin_lock(&cuse_lock); + list_for_each_entry(pos, cuse_conntbl_head(devt), list) + if (pos->dev->devt == devt) { + fuse_conn_get(&pos->fc); + cc = pos; + break; + } + spin_unlock(&cuse_lock); + + /* dead? */ + if (!cc) + return -ENODEV; + + /* + * Generic permission check is already done against the chrdev + * file, proceed to open. + */ + rc = fuse_do_open(&cc->fc, 0, file, 0); + if (rc) + fuse_conn_put(&cc->fc); + return rc; +} + +static int cuse_release(struct inode *inode, struct file *file) +{ + struct fuse_file *ff = file->private_data; + struct fuse_conn *fc = ff->fc; + + fuse_sync_release(ff, file->f_flags); + fuse_conn_put(fc); + + return 0; +} + +static long cuse_file_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct fuse_file *ff = file->private_data; + struct cuse_conn *cc = fc_to_cc(ff->fc); + unsigned int flags = 0; + + if (cc->unrestricted_ioctl) + flags |= FUSE_IOCTL_UNRESTRICTED; + + return fuse_do_ioctl(file, cmd, arg, flags); +} + +static long cuse_file_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + struct fuse_file *ff = file->private_data; + struct cuse_conn *cc = fc_to_cc(ff->fc); + unsigned int flags = FUSE_IOCTL_COMPAT; + + if (cc->unrestricted_ioctl) + flags |= FUSE_IOCTL_UNRESTRICTED; + + return fuse_do_ioctl(file, cmd, arg, flags); +} + +static const struct file_operations cuse_frontend_fops = { + .owner = THIS_MODULE, + .read = cuse_read, + .write = cuse_write, + .open = cuse_open, + .release = cuse_release, + .unlocked_ioctl = cuse_file_ioctl, + .compat_ioctl = cuse_file_compat_ioctl, + .poll = fuse_file_poll, +}; + + +/************************************************************************** + * CUSE channel initialization and destruction + */ + +struct cuse_devinfo { + const char *name; +}; + +/** + * cuse_parse_one - parse one key=value pair + * @pp: i/o parameter for the current position + * @end: points to one past the end of the packed string + * @keyp: out parameter for key + * @valp: out parameter for value + * + * *@pp points to packed strings - "key0=val0\0key1=val1\0" which ends + * at @end - 1. This function parses one pair and set *@keyp to the + * start of the key and *@valp to the start of the value. Note that + * the original string is modified such that the key string is + * terminated with '\0'. *@pp is updated to point to the next string. + * + * RETURNS: + * 1 on successful parse, 0 on EOF, -errno on failure. + */ +static int cuse_parse_one(char **pp, char *end, char **keyp, char **valp) +{ + char *p = *pp; + char *key, *val; + + while (p < end && *p == '\0') + p++; + if (p == end) + return 0; + + if (end[-1] != '\0') { + printk(KERN_ERR "CUSE: info not properly terminated\n"); + return -EINVAL; + } + + key = val = p; + p += strlen(p); + + if (valp) { + strsep(&val, "="); + if (!val) + val = key + strlen(key); + key = strstrip(key); + val = strstrip(val); + } else + key = strstrip(key); + + if (!strlen(key)) { + printk(KERN_ERR "CUSE: zero length info key specified\n"); + return -EINVAL; + } + + *pp = p; + *keyp = key; + if (valp) + *valp = val; + + return 1; +} + +/** + * cuse_parse_dev_info - parse device info + * @p: device info string + * @len: length of device info string + * @devinfo: out parameter for parsed device info + * + * Parse @p to extract device info and store it into @devinfo. String + * pointed to by @p is modified by parsing and @devinfo points into + * them, so @p shouldn't be freed while @devinfo is in use. + * + * RETURNS: + * 0 on success, -errno on failure. + */ +static int cuse_parse_devinfo(char *p, size_t len, struct cuse_devinfo *devinfo) +{ + char *end = p + len; + char *key, *val; + int rc; + + while (true) { + rc = cuse_parse_one(&p, end, &key, &val); + if (rc < 0) + return rc; + if (!rc) + break; + if (strcmp(key, "DEVNAME") == 0) + devinfo->name = val; + else + printk(KERN_WARNING "CUSE: unknown device info \"%s\"\n", + key); + } + + if (!devinfo->name || !strlen(devinfo->name)) { + printk(KERN_ERR "CUSE: DEVNAME unspecified\n"); + return -EINVAL; + } + + return 0; +} + +static void cuse_gendev_release(struct device *dev) +{ + kfree(dev); +} + +/** + * cuse_process_init_reply - finish initializing CUSE channel + * + * This function creates the character device and sets up all the + * required data structures for it. Please read the comment at the + * top of this file for high level overview. + */ +static void cuse_process_init_reply(struct fuse_conn *fc, struct fuse_req *req) +{ + struct cuse_conn *cc = fc_to_cc(fc); + struct cuse_init_out *arg = &req->misc.cuse_init_out; + struct page *page = req->pages[0]; + struct cuse_devinfo devinfo = { }; + struct device *dev; + struct cdev *cdev; + dev_t devt; + int rc; + + if (req->out.h.error || + arg->major != FUSE_KERNEL_VERSION || arg->minor < 11) { + goto err; + } + + fc->minor = arg->minor; + fc->max_read = max_t(unsigned, arg->max_read, 4096); + fc->max_write = max_t(unsigned, arg->max_write, 4096); + + /* parse init reply */ + cc->unrestricted_ioctl = arg->flags & CUSE_UNRESTRICTED_IOCTL; + + rc = cuse_parse_devinfo(page_address(page), req->out.args[1].size, + &devinfo); + if (rc) + goto err; + + /* determine and reserve devt */ + devt = MKDEV(arg->dev_major, arg->dev_minor); + if (!MAJOR(devt)) + rc = alloc_chrdev_region(&devt, MINOR(devt), 1, devinfo.name); + else + rc = register_chrdev_region(devt, 1, devinfo.name); + if (rc) { + printk(KERN_ERR "CUSE: failed to register chrdev region\n"); + goto err; + } + + /* devt determined, create device */ + rc = -ENOMEM; + dev = kzalloc(sizeof(*dev), GFP_KERNEL); + if (!dev) + goto err_region; + + device_initialize(dev); + dev_set_uevent_suppress(dev, 1); + dev->class = cuse_class; + dev->devt = devt; + dev->release = cuse_gendev_release; + dev_set_drvdata(dev, cc); + dev_set_name(dev, "%s", devinfo.name); + + rc = device_add(dev); + if (rc) + goto err_device; + + /* register cdev */ + rc = -ENOMEM; + cdev = cdev_alloc(); + if (!cdev) + goto err_device; + + cdev->owner = THIS_MODULE; + cdev->ops = &cuse_frontend_fops; + + rc = cdev_add(cdev, devt, 1); + if (rc) + goto err_cdev; + + cc->dev = dev; + cc->cdev = cdev; + + /* make the device available */ + spin_lock(&cuse_lock); + list_add(&cc->list, cuse_conntbl_head(devt)); + spin_unlock(&cuse_lock); + + /* announce device availability */ + dev_set_uevent_suppress(dev, 0); + kobject_uevent(&dev->kobj, KOBJ_ADD); +out: + __free_page(page); + return; + +err_cdev: + cdev_del(cdev); +err_device: + put_device(dev); +err_region: + unregister_chrdev_region(devt, 1); +err: + fc->conn_error = 1; + goto out; +} + +static int cuse_send_init(struct cuse_conn *cc) +{ + int rc; + struct fuse_req *req; + struct page *page; + struct fuse_conn *fc = &cc->fc; + struct cuse_init_in *arg; + + BUILD_BUG_ON(CUSE_INIT_INFO_MAX > PAGE_SIZE); + + req = fuse_get_req(fc); + if (IS_ERR(req)) { + rc = PTR_ERR(req); + goto err; + } + + rc = -ENOMEM; + page = alloc_page(GFP_KERNEL | __GFP_ZERO); + if (!page) + goto err_put_req; + + arg = &req->misc.cuse_init_in; + arg->major = FUSE_KERNEL_VERSION; + arg->minor = FUSE_KERNEL_MINOR_VERSION; + arg->flags |= CUSE_UNRESTRICTED_IOCTL; + req->in.h.opcode = CUSE_INIT; + req->in.numargs = 1; + req->in.args[0].size = sizeof(struct cuse_init_in); + req->in.args[0].value = arg; + req->out.numargs = 2; + req->out.args[0].size = sizeof(struct cuse_init_out); + req->out.args[0].value = &req->misc.cuse_init_out; + req->out.args[1].size = CUSE_INIT_INFO_MAX; + req->out.argvar = 1; + req->out.argpages = 1; + req->pages[0] = page; + req->num_pages = 1; + req->end = cuse_process_init_reply; + fuse_request_send_background(fc, req); + + return 0; + +err_put_req: + fuse_put_request(fc, req); +err: + return rc; +} + +static void cuse_fc_release(struct fuse_conn *fc) +{ + struct cuse_conn *cc = fc_to_cc(fc); + kfree(cc); +} + +/** + * cuse_channel_open - open method for /dev/cuse + * @inode: inode for /dev/cuse + * @file: file struct being opened + * + * Userland CUSE server can create a CUSE device by opening /dev/cuse + * and replying to the initilaization request kernel sends. This + * function is responsible for handling CUSE device initialization. + * Because the fd opened by this function is used during + * initialization, this function only creates cuse_conn and sends + * init. The rest is delegated to a kthread. + * + * RETURNS: + * 0 on success, -errno on failure. + */ +static int cuse_channel_open(struct inode *inode, struct file *file) +{ + struct cuse_conn *cc; + int rc; + + /* set up cuse_conn */ + cc = kzalloc(sizeof(*cc), GFP_KERNEL); + if (!cc) + return -ENOMEM; + + fuse_conn_init(&cc->fc); + + INIT_LIST_HEAD(&cc->list); + cc->fc.release = cuse_fc_release; + + cc->fc.connected = 1; + cc->fc.blocked = 0; + rc = cuse_send_init(cc); + if (rc) { + fuse_conn_put(&cc->fc); + return rc; + } + file->private_data = &cc->fc; /* channel owns base reference to cc */ + + return 0; +} + +/** + * cuse_channel_release - release method for /dev/cuse + * @inode: inode for /dev/cuse + * @file: file struct being closed + * + * Disconnect the channel, deregister CUSE device and initiate + * destruction by putting the default reference. + * + * RETURNS: + * 0 on success, -errno on failure. + */ +static int cuse_channel_release(struct inode *inode, struct file *file) +{ + struct cuse_conn *cc = fc_to_cc(file->private_data); + int rc; + + /* remove from the conntbl, no more access from this point on */ + spin_lock(&cuse_lock); + list_del_init(&cc->list); + spin_unlock(&cuse_lock); + + /* remove device */ + if (cc->dev) + device_unregister(cc->dev); + if (cc->cdev) { + unregister_chrdev_region(cc->cdev->dev, 1); + cdev_del(cc->cdev); + } + + /* kill connection and shutdown channel */ + fuse_conn_kill(&cc->fc); + rc = fuse_dev_release(inode, file); /* puts the base reference */ + + return rc; +} + +static struct file_operations cuse_channel_fops; /* initialized during init */ + + +/************************************************************************** + * Misc stuff and module initializatiion + * + * CUSE exports the same set of attributes to sysfs as fusectl. + */ + +static ssize_t cuse_class_waiting_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct cuse_conn *cc = dev_get_drvdata(dev); + + return sprintf(buf, "%d\n", atomic_read(&cc->fc.num_waiting)); +} + +static ssize_t cuse_class_abort_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct cuse_conn *cc = dev_get_drvdata(dev); + + fuse_abort_conn(&cc->fc); + return count; +} + +static struct device_attribute cuse_class_dev_attrs[] = { + __ATTR(waiting, S_IFREG | 0400, cuse_class_waiting_show, NULL), + __ATTR(abort, S_IFREG | 0200, NULL, cuse_class_abort_store), + { } +}; + +static struct miscdevice cuse_miscdev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "cuse", + .fops = &cuse_channel_fops, +}; + +static int __init cuse_init(void) +{ + int i, rc; + + /* init conntbl */ + for (i = 0; i < CUSE_CONNTBL_LEN; i++) + INIT_LIST_HEAD(&cuse_conntbl[i]); + + /* inherit and extend fuse_dev_operations */ + cuse_channel_fops = fuse_dev_operations; + cuse_channel_fops.owner = THIS_MODULE; + cuse_channel_fops.open = cuse_channel_open; + cuse_channel_fops.release = cuse_channel_release; + + cuse_class = class_create(THIS_MODULE, "cuse"); + if (IS_ERR(cuse_class)) + return PTR_ERR(cuse_class); + + cuse_class->dev_attrs = cuse_class_dev_attrs; + + rc = misc_register(&cuse_miscdev); + if (rc) { + class_destroy(cuse_class); + return rc; + } + + return 0; +} + +static void __exit cuse_exit(void) +{ + misc_deregister(&cuse_miscdev); + class_destroy(cuse_class); +} + +module_init(cuse_init); +module_exit(cuse_exit); + +MODULE_AUTHOR("Tejun Heo "); +MODULE_DESCRIPTION("Character device in Userspace"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/fuse.h b/include/linux/fuse.h index 162e5defe683..d41ed593f79f 100644 --- a/include/linux/fuse.h +++ b/include/linux/fuse.h @@ -120,6 +120,13 @@ struct fuse_file_lock { #define FUSE_EXPORT_SUPPORT (1 << 4) #define FUSE_BIG_WRITES (1 << 5) +/** + * CUSE INIT request/reply flags + * + * CUSE_UNRESTRICTED_IOCTL: use unrestricted ioctl + */ +#define CUSE_UNRESTRICTED_IOCTL (1 << 0) + /** * Release flags */ @@ -210,6 +217,9 @@ enum fuse_opcode { FUSE_DESTROY = 38, FUSE_IOCTL = 39, FUSE_POLL = 40, + + /* CUSE specific operations */ + CUSE_INIT = 4096, }; enum fuse_notify_code { @@ -401,6 +411,27 @@ struct fuse_init_out { __u32 max_write; }; +#define CUSE_INIT_INFO_MAX 4096 + +struct cuse_init_in { + __u32 major; + __u32 minor; + __u32 unused; + __u32 flags; +}; + +struct cuse_init_out { + __u32 major; + __u32 minor; + __u32 unused; + __u32 flags; + __u32 max_read; + __u32 max_write; + __u32 dev_major; /* chardev major */ + __u32 dev_minor; /* chardev minor */ + __u32 spare[10]; +}; + struct fuse_interrupt_in { __u64 unique; }; -- cgit v1.2.3 From 43514774ff40c4fbe0cbbd3d8293a359f1a9fe71 Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Mon, 8 Jun 2009 18:14:41 -0700 Subject: [SCSI] iscsi class: Add new NETLINK_ISCSI messages for cnic/bnx2i driver. Add ISCSI_NETLINK messages for iSCSI NICs to get information such as path from userspace. Original iscsid messages are now always sent as multicast to group 1. The new messages are sent to group 2. The multicast changes were made by Mike Christie. Signed-off-by: Michael Chan Signed-off-by: Benjamin Li Signed-off-by: Mike Christie Signed-off-by: James Bottomley --- drivers/scsi/scsi_transport_iscsi.c | 122 +++++++++++++++++++++++++----------- include/scsi/iscsi_if.h | 42 +++++++++++++ include/scsi/scsi_transport_iscsi.h | 5 ++ 3 files changed, 133 insertions(+), 36 deletions(-) (limited to 'include') diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index d69a53aa406f..f3e664628d7a 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -37,7 +37,6 @@ #define ISCSI_TRANSPORT_VERSION "2.0-870" struct iscsi_internal { - int daemon_pid; struct scsi_transport_template t; struct iscsi_transport *iscsi_transport; struct list_head list; @@ -938,23 +937,9 @@ iscsi_if_transport_lookup(struct iscsi_transport *tt) } static int -iscsi_broadcast_skb(struct sk_buff *skb, gfp_t gfp) +iscsi_multicast_skb(struct sk_buff *skb, uint32_t group, gfp_t gfp) { - return netlink_broadcast(nls, skb, 0, 1, gfp); -} - -static int -iscsi_unicast_skb(struct sk_buff *skb, int pid) -{ - int rc; - - rc = netlink_unicast(nls, skb, pid, MSG_DONTWAIT); - if (rc < 0) { - printk(KERN_ERR "iscsi: can not unicast skb (%d)\n", rc); - return rc; - } - - return 0; + return nlmsg_multicast(nls, skb, 0, group, gfp); } int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, @@ -980,7 +965,7 @@ int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, return -ENOMEM; } - nlh = __nlmsg_put(skb, priv->daemon_pid, 0, 0, (len - sizeof(*nlh)), 0); + nlh = __nlmsg_put(skb, 0, 0, 0, (len - sizeof(*nlh)), 0); ev = NLMSG_DATA(nlh); memset(ev, 0, sizeof(*ev)); ev->transport_handle = iscsi_handle(conn->transport); @@ -991,10 +976,45 @@ int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, memcpy(pdu, hdr, sizeof(struct iscsi_hdr)); memcpy(pdu + sizeof(struct iscsi_hdr), data, data_size); - return iscsi_unicast_skb(skb, priv->daemon_pid); + return iscsi_multicast_skb(skb, ISCSI_NL_GRP_ISCSID, GFP_ATOMIC); } EXPORT_SYMBOL_GPL(iscsi_recv_pdu); +int iscsi_offload_mesg(struct Scsi_Host *shost, + struct iscsi_transport *transport, uint32_t type, + char *data, uint16_t data_size) +{ + struct nlmsghdr *nlh; + struct sk_buff *skb; + struct iscsi_uevent *ev; + int len = NLMSG_SPACE(sizeof(*ev) + data_size); + + skb = alloc_skb(len, GFP_NOIO); + if (!skb) { + printk(KERN_ERR "can not deliver iscsi offload message:OOM\n"); + return -ENOMEM; + } + + nlh = __nlmsg_put(skb, 0, 0, 0, (len - sizeof(*nlh)), 0); + ev = NLMSG_DATA(nlh); + memset(ev, 0, sizeof(*ev)); + ev->type = type; + ev->transport_handle = iscsi_handle(transport); + switch (type) { + case ISCSI_KEVENT_PATH_REQ: + ev->r.req_path.host_no = shost->host_no; + break; + case ISCSI_KEVENT_IF_DOWN: + ev->r.notify_if_down.host_no = shost->host_no; + break; + } + + memcpy((char *)ev + sizeof(*ev), data, data_size); + + return iscsi_multicast_skb(skb, ISCSI_NL_GRP_UIP, GFP_NOIO); +} +EXPORT_SYMBOL_GPL(iscsi_offload_mesg); + void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error) { struct nlmsghdr *nlh; @@ -1014,7 +1034,7 @@ void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error) return; } - nlh = __nlmsg_put(skb, priv->daemon_pid, 0, 0, (len - sizeof(*nlh)), 0); + nlh = __nlmsg_put(skb, 0, 0, 0, (len - sizeof(*nlh)), 0); ev = NLMSG_DATA(nlh); ev->transport_handle = iscsi_handle(conn->transport); ev->type = ISCSI_KEVENT_CONN_ERROR; @@ -1022,7 +1042,7 @@ void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error) ev->r.connerror.cid = conn->cid; ev->r.connerror.sid = iscsi_conn_get_sid(conn); - iscsi_broadcast_skb(skb, GFP_ATOMIC); + iscsi_multicast_skb(skb, ISCSI_NL_GRP_ISCSID, GFP_ATOMIC); iscsi_cls_conn_printk(KERN_INFO, conn, "detected conn error (%d)\n", error); @@ -1030,8 +1050,8 @@ void iscsi_conn_error_event(struct iscsi_cls_conn *conn, enum iscsi_err error) EXPORT_SYMBOL_GPL(iscsi_conn_error_event); static int -iscsi_if_send_reply(int pid, int seq, int type, int done, int multi, - void *payload, int size) +iscsi_if_send_reply(uint32_t group, int seq, int type, int done, int multi, + void *payload, int size) { struct sk_buff *skb; struct nlmsghdr *nlh; @@ -1045,10 +1065,10 @@ iscsi_if_send_reply(int pid, int seq, int type, int done, int multi, return -ENOMEM; } - nlh = __nlmsg_put(skb, pid, seq, t, (len - sizeof(*nlh)), 0); + nlh = __nlmsg_put(skb, 0, 0, t, (len - sizeof(*nlh)), 0); nlh->nlmsg_flags = flags; memcpy(NLMSG_DATA(nlh), payload, size); - return iscsi_unicast_skb(skb, pid); + return iscsi_multicast_skb(skb, group, GFP_ATOMIC); } static int @@ -1085,7 +1105,7 @@ iscsi_if_get_stats(struct iscsi_transport *transport, struct nlmsghdr *nlh) return -ENOMEM; } - nlhstat = __nlmsg_put(skbstat, priv->daemon_pid, 0, 0, + nlhstat = __nlmsg_put(skbstat, 0, 0, 0, (len - sizeof(*nlhstat)), 0); evstat = NLMSG_DATA(nlhstat); memset(evstat, 0, sizeof(*evstat)); @@ -1109,7 +1129,8 @@ iscsi_if_get_stats(struct iscsi_transport *transport, struct nlmsghdr *nlh) skb_trim(skbstat, NLMSG_ALIGN(actual_size)); nlhstat->nlmsg_len = actual_size; - err = iscsi_unicast_skb(skbstat, priv->daemon_pid); + err = iscsi_multicast_skb(skbstat, ISCSI_NL_GRP_ISCSID, + GFP_ATOMIC); } while (err < 0 && err != -ECONNREFUSED); return err; @@ -1143,7 +1164,7 @@ int iscsi_session_event(struct iscsi_cls_session *session, return -ENOMEM; } - nlh = __nlmsg_put(skb, priv->daemon_pid, 0, 0, (len - sizeof(*nlh)), 0); + nlh = __nlmsg_put(skb, 0, 0, 0, (len - sizeof(*nlh)), 0); ev = NLMSG_DATA(nlh); ev->transport_handle = iscsi_handle(session->transport); @@ -1172,7 +1193,7 @@ int iscsi_session_event(struct iscsi_cls_session *session, * this will occur if the daemon is not up, so we just warn * the user and when the daemon is restarted it will handle it */ - rc = iscsi_broadcast_skb(skb, GFP_KERNEL); + rc = iscsi_multicast_skb(skb, ISCSI_NL_GRP_ISCSID, GFP_KERNEL); if (rc == -ESRCH) iscsi_cls_session_printk(KERN_ERR, session, "Cannot notify userspace of session " @@ -1393,7 +1414,31 @@ iscsi_set_host_param(struct iscsi_transport *transport, } static int -iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) +iscsi_set_path(struct iscsi_transport *transport, struct iscsi_uevent *ev) +{ + struct Scsi_Host *shost; + struct iscsi_path *params; + int err; + + if (!transport->set_path) + return -ENOSYS; + + shost = scsi_host_lookup(ev->u.set_path.host_no); + if (!shost) { + printk(KERN_ERR "set path could not find host no %u\n", + ev->u.set_path.host_no); + return -ENODEV; + } + + params = (struct iscsi_path *)((char *)ev + sizeof(*ev)); + err = transport->set_path(shost, params); + + scsi_host_put(shost); + return err; +} + +static int +iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) { int err = 0; struct iscsi_uevent *ev = NLMSG_DATA(nlh); @@ -1403,6 +1448,11 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) struct iscsi_cls_conn *conn; struct iscsi_endpoint *ep = NULL; + if (nlh->nlmsg_type == ISCSI_UEVENT_PATH_UPDATE) + *group = ISCSI_NL_GRP_UIP; + else + *group = ISCSI_NL_GRP_ISCSID; + priv = iscsi_if_transport_lookup(iscsi_ptr(ev->transport_handle)); if (!priv) return -EINVAL; @@ -1411,8 +1461,6 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) if (!try_module_get(transport->owner)) return -EINVAL; - priv->daemon_pid = NETLINK_CREDS(skb)->pid; - switch (nlh->nlmsg_type) { case ISCSI_UEVENT_CREATE_SESSION: err = iscsi_if_create_session(priv, ep, ev, @@ -1506,6 +1554,9 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) case ISCSI_UEVENT_SET_HOST_PARAM: err = iscsi_set_host_param(transport, ev); break; + case ISCSI_UEVENT_PATH_UPDATE: + err = iscsi_set_path(transport, ev); + break; default: err = -ENOSYS; break; @@ -1528,6 +1579,7 @@ iscsi_if_rx(struct sk_buff *skb) uint32_t rlen; struct nlmsghdr *nlh; struct iscsi_uevent *ev; + uint32_t group; nlh = nlmsg_hdr(skb); if (nlh->nlmsg_len < sizeof(*nlh) || @@ -1540,7 +1592,7 @@ iscsi_if_rx(struct sk_buff *skb) if (rlen > skb->len) rlen = skb->len; - err = iscsi_if_recv_msg(skb, nlh); + err = iscsi_if_recv_msg(skb, nlh, &group); if (err) { ev->type = ISCSI_KEVENT_IF_ERROR; ev->iferror = err; @@ -1554,8 +1606,7 @@ iscsi_if_rx(struct sk_buff *skb) */ if (ev->type == ISCSI_UEVENT_GET_STATS && !err) break; - err = iscsi_if_send_reply( - NETLINK_CREDS(skb)->pid, nlh->nlmsg_seq, + err = iscsi_if_send_reply(group, nlh->nlmsg_seq, nlh->nlmsg_type, 0, 0, ev, sizeof(*ev)); } while (err < 0 && err != -ECONNREFUSED); skb_pull(skb, rlen); @@ -1803,7 +1854,6 @@ iscsi_register_transport(struct iscsi_transport *tt) if (!priv) return NULL; INIT_LIST_HEAD(&priv->list); - priv->daemon_pid = -1; priv->iscsi_transport = tt; priv->t.user_scan = iscsi_user_scan; priv->t.create_work_queue = 1; diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index 2c1a4af9eafb..4426f00da5ff 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -22,6 +22,11 @@ #define ISCSI_IF_H #include +#include +#include + +#define ISCSI_NL_GRP_ISCSID 1 +#define ISCSI_NL_GRP_UIP 2 #define UEVENT_BASE 10 #define KEVENT_BASE 100 @@ -53,6 +58,8 @@ enum iscsi_uevent_e { ISCSI_UEVENT_CREATE_BOUND_SESSION = UEVENT_BASE + 18, ISCSI_UEVENT_TRANSPORT_EP_CONNECT_THROUGH_HOST = UEVENT_BASE + 19, + ISCSI_UEVENT_PATH_UPDATE = UEVENT_BASE + 20, + /* up events */ ISCSI_KEVENT_RECV_PDU = KEVENT_BASE + 1, ISCSI_KEVENT_CONN_ERROR = KEVENT_BASE + 2, @@ -60,6 +67,9 @@ enum iscsi_uevent_e { ISCSI_KEVENT_DESTROY_SESSION = KEVENT_BASE + 4, ISCSI_KEVENT_UNBIND_SESSION = KEVENT_BASE + 5, ISCSI_KEVENT_CREATE_SESSION = KEVENT_BASE + 6, + + ISCSI_KEVENT_PATH_REQ = KEVENT_BASE + 7, + ISCSI_KEVENT_IF_DOWN = KEVENT_BASE + 8, }; enum iscsi_tgt_dscvr { @@ -159,6 +169,9 @@ struct iscsi_uevent { uint32_t param; /* enum iscsi_host_param */ uint32_t len; } set_host_param; + struct msg_set_path { + uint32_t host_no; + } set_path; } u; union { /* messages k -> u */ @@ -192,9 +205,38 @@ struct iscsi_uevent { struct msg_transport_connect_ret { uint64_t handle; } ep_connect_ret; + struct msg_req_path { + uint32_t host_no; + } req_path; + struct msg_notify_if_down { + uint32_t host_no; + } notify_if_down; } r; } __attribute__ ((aligned (sizeof(uint64_t)))); +/* + * To keep the struct iscsi_uevent size the same for userspace code + * compatibility, the main structure for ISCSI_UEVENT_PATH_UPDATE and + * ISCSI_KEVENT_PATH_REQ is defined separately and comes after the + * struct iscsi_uevent in the NETLINK_ISCSI message. + */ +struct iscsi_path { + uint64_t handle; + uint8_t mac_addr[6]; + uint8_t mac_addr_old[6]; + uint32_t ip_addr_len; /* 4 or 16 */ + union { + struct in_addr v4_addr; + struct in6_addr v6_addr; + } src; + union { + struct in_addr v4_addr; + struct in6_addr v6_addr; + } dst; + uint16_t vlan_id; + uint16_t pmtu; +} __attribute__ ((aligned (sizeof(uint64_t)))); + /* * Common error codes */ diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index 8cb7a31d9961..349c7f30720d 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -133,6 +133,7 @@ struct iscsi_transport { void (*ep_disconnect) (struct iscsi_endpoint *ep); int (*tgt_dscvr) (struct Scsi_Host *shost, enum iscsi_tgt_dscvr type, uint32_t enable, struct sockaddr *dst_addr); + int (*set_path) (struct Scsi_Host *shost, struct iscsi_path *params); }; /* @@ -149,6 +150,10 @@ extern void iscsi_conn_error_event(struct iscsi_cls_conn *conn, extern int iscsi_recv_pdu(struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, char *data, uint32_t data_size); +extern int iscsi_offload_mesg(struct Scsi_Host *shost, + struct iscsi_transport *transport, uint32_t type, + char *data, uint16_t data_size); + struct iscsi_cls_conn { struct list_head conn_list; /* item in connlist */ void *dd_data; /* LLD private data */ -- cgit v1.2.3 From 80a538e49daddbf3bf783f3464e91bd3181957b2 Mon Sep 17 00:00:00 2001 From: Zhenyu Wang Date: Mon, 8 Jun 2009 14:40:20 +0800 Subject: drm/i915: Enable probe on new chipset Signed-off-by: Zhenyu Wang Signed-off-by: Eric Anholt --- include/drm/drm_pciids.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index fc55db780199..8b4c80cdd277 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -536,4 +536,6 @@ {0x8086, 0xa001, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0xa011, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0x8086, 0x35e8, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ + {0x8086, 0x0042, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ + {0x8086, 0x0046, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_DISPLAY_VGA << 8, 0xffff00, 0}, \ {0, 0, 0} -- cgit v1.2.3 From fd6c3a8dc44329d3aff9a578b5120982f63711ee Mon Sep 17 00:00:00 2001 From: Jan Beulich Date: Thu, 12 Mar 2009 10:58:33 +0000 Subject: initconst adjustments - add .init.rodata to INIT_DATA, and group all initconst flavors together - move strings generated from __setup_param() into .init.rodata - add .*init.rodata to modpost's sets of init sections - make modpost warn about references between meminit and cpuinit as well as memexit and cpuexit sections (as CPU and memory hotplug are independently selectable features) Signed-off-by: Jan Beulich Signed-off-by: Sam Ravnborg --- include/asm-generic/vmlinux.lds.h | 5 ++-- include/linux/init.h | 3 ++- scripts/mod/modpost.c | 48 +++++++++++++++++++++++++++++++-------- 3 files changed, 43 insertions(+), 13 deletions(-) (limited to 'include') diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 89853bcd27a6..3edb11499743 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -336,10 +336,11 @@ #define INIT_DATA \ *(.init.data) \ DEV_DISCARD(init.data) \ - DEV_DISCARD(init.rodata) \ CPU_DISCARD(init.data) \ - CPU_DISCARD(init.rodata) \ MEM_DISCARD(init.data) \ + *(.init.rodata) \ + DEV_DISCARD(init.rodata) \ + CPU_DISCARD(init.rodata) \ MEM_DISCARD(init.rodata) #define INIT_TEXT \ diff --git a/include/linux/init.h b/include/linux/init.h index 0e06c176f185..9f70c9f25d4b 100644 --- a/include/linux/init.h +++ b/include/linux/init.h @@ -225,7 +225,8 @@ struct obs_kernel_param { * obs_kernel_param "array" too far apart in .init.setup. */ #define __setup_param(str, unique_id, fn, early) \ - static char __setup_str_##unique_id[] __initdata __aligned(1) = str; \ + static const char __setup_str_##unique_id[] __initconst \ + __aligned(1) = str; \ static struct obs_kernel_param __setup_##unique_id \ __used __section(.init.setup) \ __attribute__((aligned((sizeof(long))))) \ diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c index 161b7846733e..94e71efb2c14 100644 --- a/scripts/mod/modpost.c +++ b/scripts/mod/modpost.c @@ -763,6 +763,8 @@ static void check_section(const char *modname, struct elf_info *elf, #define ALL_INIT_DATA_SECTIONS \ + ".init.setup$", ".init.rodata$", \ + ".devinit.rodata$", ".cpuinit.rodata$", ".meminit.rodata$" \ ".init.data$", ".devinit.data$", ".cpuinit.data$", ".meminit.data$" #define ALL_EXIT_DATA_SECTIONS \ ".exit.data$", ".devexit.data$", ".cpuexit.data$", ".memexit.data$" @@ -772,21 +774,23 @@ static void check_section(const char *modname, struct elf_info *elf, #define ALL_EXIT_TEXT_SECTIONS \ ".exit.text$", ".devexit.text$", ".cpuexit.text$", ".memexit.text$" -#define ALL_INIT_SECTIONS ALL_INIT_DATA_SECTIONS, ALL_INIT_TEXT_SECTIONS -#define ALL_EXIT_SECTIONS ALL_EXIT_DATA_SECTIONS, ALL_EXIT_TEXT_SECTIONS +#define ALL_INIT_SECTIONS INIT_SECTIONS, DEV_INIT_SECTIONS, \ + CPU_INIT_SECTIONS, MEM_INIT_SECTIONS +#define ALL_EXIT_SECTIONS EXIT_SECTIONS, DEV_EXIT_SECTIONS, \ + CPU_EXIT_SECTIONS, MEM_EXIT_SECTIONS #define DATA_SECTIONS ".data$", ".data.rel$" #define TEXT_SECTIONS ".text$" -#define INIT_SECTIONS ".init.data$", ".init.text$" -#define DEV_INIT_SECTIONS ".devinit.data$", ".devinit.text$" -#define CPU_INIT_SECTIONS ".cpuinit.data$", ".cpuinit.text$" -#define MEM_INIT_SECTIONS ".meminit.data$", ".meminit.text$" +#define INIT_SECTIONS ".init.*" +#define DEV_INIT_SECTIONS ".devinit.*" +#define CPU_INIT_SECTIONS ".cpuinit.*" +#define MEM_INIT_SECTIONS ".meminit.*" -#define EXIT_SECTIONS ".exit.data$", ".exit.text$" -#define DEV_EXIT_SECTIONS ".devexit.data$", ".devexit.text$" -#define CPU_EXIT_SECTIONS ".cpuexit.data$", ".cpuexit.text$" -#define MEM_EXIT_SECTIONS ".memexit.data$", ".memexit.text$" +#define EXIT_SECTIONS ".exit.*" +#define DEV_EXIT_SECTIONS ".devexit.*" +#define CPU_EXIT_SECTIONS ".cpuexit.*" +#define MEM_EXIT_SECTIONS ".memexit.*" /* init data sections */ static const char *init_data_sections[] = { ALL_INIT_DATA_SECTIONS, NULL }; @@ -869,12 +873,36 @@ const struct sectioncheck sectioncheck[] = { .tosec = { INIT_SECTIONS, NULL }, .mismatch = XXXINIT_TO_INIT, }, +/* Do not reference cpuinit code/data from meminit code/data */ +{ + .fromsec = { MEM_INIT_SECTIONS, NULL }, + .tosec = { CPU_INIT_SECTIONS, NULL }, + .mismatch = XXXINIT_TO_INIT, +}, +/* Do not reference meminit code/data from cpuinit code/data */ +{ + .fromsec = { CPU_INIT_SECTIONS, NULL }, + .tosec = { MEM_INIT_SECTIONS, NULL }, + .mismatch = XXXINIT_TO_INIT, +}, /* Do not reference exit code/data from devexit/cpuexit/memexit code/data */ { .fromsec = { DEV_EXIT_SECTIONS, CPU_EXIT_SECTIONS, MEM_EXIT_SECTIONS, NULL }, .tosec = { EXIT_SECTIONS, NULL }, .mismatch = XXXEXIT_TO_EXIT, }, +/* Do not reference cpuexit code/data from memexit code/data */ +{ + .fromsec = { MEM_EXIT_SECTIONS, NULL }, + .tosec = { CPU_EXIT_SECTIONS, NULL }, + .mismatch = XXXEXIT_TO_EXIT, +}, +/* Do not reference memexit code/data from cpuexit code/data */ +{ + .fromsec = { CPU_EXIT_SECTIONS, NULL }, + .tosec = { MEM_EXIT_SECTIONS, NULL }, + .mismatch = XXXEXIT_TO_EXIT, +}, /* Do not use exit code/data from init code */ { .fromsec = { ALL_INIT_SECTIONS, NULL }, -- cgit v1.2.3 From ef53dae8658cf0e93d380983824a661067948d87 Mon Sep 17 00:00:00 2001 From: Sam Ravnborg Date: Sun, 7 Jun 2009 20:46:37 +0200 Subject: Improve vmlinux.lds.h support for arch specific linker scripts To support alingment of the individual architecture specific linker scripts provide a set of general definitions in vmlinux.lds.h With these definitions applied the diverse linekr scripts can be reduced in line count and their readability are improved - IMO. A sample linker script is included to give the preferred order of the sections for the architectures that do not have any special requirments. These definitions are also a first step towards eventual support for -ffunction-sections. The definitions makes it much easier to do a global renaming of section names - but the main purpose is to clean up the linker scripts. Tim Aboot has provided a lot of inputs to improve the definitions - all faults are mine. Signed-off-by: Sam Ravnborg Cc: Tim Abbott --- include/asm-generic/vmlinux.lds.h | 231 ++++++++++++++++++++++++++++++++++++-- 1 file changed, 224 insertions(+), 7 deletions(-) (limited to 'include') diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h index 3edb11499743..fba42236e942 100644 --- a/include/asm-generic/vmlinux.lds.h +++ b/include/asm-generic/vmlinux.lds.h @@ -1,4 +1,58 @@ -#include +/* + * Helper macros to support writing architecture specific + * linker scripts. + * + * A minimal linker scripts has following content: + * [This is a sample, architectures may have special requiriements] + * + * OUTPUT_FORMAT(...) + * OUTPUT_ARCH(...) + * ENTRY(...) + * SECTIONS + * { + * . = START; + * __init_begin = .; + * HEAD_SECTION + * INIT_TEXT_SECTION(PAGE_SIZE) + * INIT_DATA_SECTION(...) + * PERCPU(PAGE_SIZE) + * __init_end = .; + * + * _stext = .; + * TEXT_SECTION = 0 + * _etext = .; + * + * _sdata = .; + * RO_DATA_SECTION(PAGE_SIZE) + * RW_DATA_SECTION(...) + * _edata = .; + * + * EXCEPTION_TABLE(...) + * NOTES + * + * __bss_start = .; + * BSS_SECTION(0, 0) + * __bss_stop = .; + * _end = .; + * + * /DISCARD/ : { + * EXIT_TEXT + * EXIT_DATA + * *(.exitcall.exit) + * } + * STABS_DEBUG + * DWARF_DEBUG + * } + * + * [__init_begin, __init_end] is the init section that may be freed after init + * [_stext, _etext] is the text section + * [_sdata, _edata] is the data section + * + * Some of the included output section have their own set of constants. + * Examples are: [__initramfs_start, __initramfs_end] for initramfs and + * [__nosave_begin, __nosave_end] for the nosave data + */ + #include #ifndef LOAD_OFFSET #define LOAD_OFFSET 0 @@ -116,7 +170,36 @@ FTRACE_EVENTS() \ TRACE_SYSCALLS() -#define RO_DATA(align) \ +/* + * Data section helpers + */ +#define NOSAVE_DATA \ + . = ALIGN(PAGE_SIZE); \ + VMLINUX_SYMBOL(__nosave_begin) = .; \ + *(.data.nosave) \ + . = ALIGN(PAGE_SIZE); \ + VMLINUX_SYMBOL(__nosave_end) = .; + +#define PAGE_ALIGNED_DATA(page_align) \ + . = ALIGN(page_align); \ + *(.data.page_aligned) + +#define READ_MOSTLY_DATA(align) \ + . = ALIGN(align); \ + *(.data.read_mostly) + +#define CACHELINE_ALIGNED_DATA(align) \ + . = ALIGN(align); \ + *(.data.cacheline_aligned) + +#define INIT_TASK(align) \ + . = ALIGN(align); \ + *(.data.init_task) + +/* + * Read only Data + */ +#define RO_DATA_SECTION(align) \ . = ALIGN((align)); \ .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ VMLINUX_SYMBOL(__start_rodata) = .; \ @@ -270,9 +353,10 @@ } \ . = ALIGN((align)); -/* RODATA provided for backward compatibility. +/* RODATA & RO_DATA provided for backward compatibility. * All archs are supposed to use RO_DATA() */ -#define RODATA RO_DATA(4096) +#define RODATA RO_DATA_SECTION(4096) +#define RO_DATA(align) RO_DATA_SECTION(align) #define SECURITY_INIT \ .security_initcall.init : AT(ADDR(.security_initcall.init) - LOAD_OFFSET) { \ @@ -332,6 +416,31 @@ /* Section used for early init (in .S files) */ #define HEAD_TEXT *(HEAD_TEXT_SECTION) +#define HEAD_SECTION \ + .head.text : AT(ADDR(.head.text) - LOAD_OFFSET) { \ + HEAD_TEXT \ + } + +/* + * Exception table + */ +#define EXCEPTION_TABLE(align) \ + . = ALIGN(align); \ + __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__start___ex_table) = .; \ + *(__ex_table) \ + VMLINUX_SYMBOL(__stop___ex_table) = .; \ + } + +/* + * Init task + */ +#define INIT_TASK_DATA(align) \ + . = ALIGN(align); \ + .data.init_task : { \ + INIT_TASK \ + } + /* init and exit section handling */ #define INIT_DATA \ *(.init.data) \ @@ -364,9 +473,32 @@ CPU_DISCARD(exit.text) \ MEM_DISCARD(exit.text) - /* DWARF debug sections. - Symbols in the DWARF debugging sections are relative to - the beginning of the section so we begin them at 0. */ +/* + * bss (Block Started by Symbol) - uninitialized data + * zeroed during startup + */ +#define SBSS \ + .sbss : AT(ADDR(.sbss) - LOAD_OFFSET) { \ + *(.sbss) \ + *(.scommon) \ + } + +#define BSS(bss_align) \ + . = ALIGN(bss_align); \ + .bss : AT(ADDR(.bss) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(__bss_start) = .; \ + *(.bss.page_aligned) \ + *(.dynbss) \ + *(.bss) \ + *(COMMON) \ + VMLINUX_SYMBOL(__bss_stop) = .; \ + } + +/* + * DWARF debug sections. + * Symbols in the DWARF debugging sections are relative to + * the beginning of the section so we begin them at 0. + */ #define DWARF_DEBUG \ /* DWARF 1 */ \ .debug 0 : { *(.debug) } \ @@ -433,6 +565,12 @@ VMLINUX_SYMBOL(__stop_notes) = .; \ } +#define INIT_SETUP(initsetup_align) \ + . = ALIGN(initsetup_align); \ + VMLINUX_SYMBOL(__setup_start) = .; \ + *(.init.setup) \ + VMLINUX_SYMBOL(__setup_end) = .; + #define INITCALLS \ *(.initcallearly.init) \ VMLINUX_SYMBOL(__early_initcall_end) = .; \ @@ -454,6 +592,31 @@ *(.initcall7.init) \ *(.initcall7s.init) +#define INIT_CALLS \ + VMLINUX_SYMBOL(__initcall_start) = .; \ + INITCALLS \ + VMLINUX_SYMBOL(__initcall_end) = .; + +#define CON_INITCALL \ + VMLINUX_SYMBOL(__con_initcall_start) = .; \ + *(.con_initcall.init) \ + VMLINUX_SYMBOL(__con_initcall_end) = .; + +#define SECURITY_INITCALL \ + VMLINUX_SYMBOL(__security_initcall_start) = .; \ + *(.security_initcall.init) \ + VMLINUX_SYMBOL(__security_initcall_end) = .; + +#ifdef CONFIG_BLK_DEV_INITRD +#define INIT_RAM_FS \ + . = ALIGN(PAGE_SIZE); \ + VMLINUX_SYMBOL(__initramfs_start) = .; \ + *(.init.ramfs) \ + VMLINUX_SYMBOL(__initramfs_end) = .; +#else +#define INITRAMFS +#endif + /** * PERCPU_VADDR - define output section for percpu area * @vaddr: explicit base address (optional) @@ -510,3 +673,57 @@ *(.data.percpu.shared_aligned) \ VMLINUX_SYMBOL(__per_cpu_end) = .; \ } + + +/* + * Definition of the high level *_SECTION macros + * They will fit only a subset of the architectures + */ + + +/* + * Writeable data. + * All sections are combined in a single .data section. + * The sections following CONSTRUCTORS are arranged so their + * typical alignment matches. + * A cacheline is typical/always less than a PAGE_SIZE so + * the sections that has this restriction (or similar) + * is located before the ones requiring PAGE_SIZE alignment. + * NOSAVE_DATA starts and ends with a PAGE_SIZE alignment which + * matches the requirment of PAGE_ALIGNED_DATA. + * +/* use 0 as page_align if page_aligned data is not used */ +#define RW_DATA_SECTION(cacheline, nosave, pagealigned, inittask) \ + . = ALIGN(PAGE_SIZE); \ + .data : AT(ADDR(.data) - LOAD_OFFSET) { \ + INIT_TASK(inittask) \ + CACHELINE_ALIGNED_DATA(cacheline) \ + READ_MOSTLY_DATA(cacheline) \ + DATA_DATA \ + CONSTRUCTORS \ + NOSAVE_DATA(nosave) \ + PAGE_ALIGNED_DATA(pagealigned) \ + } + +#define INIT_TEXT_SECTION(inittext_align) \ + . = ALIGN(inittext_align); \ + .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) { \ + VMLINUX_SYMBOL(_sinittext) = .; \ + INIT_TEXT \ + VMLINUX_SYMBOL(_einittext) = .; \ + } + +#define INIT_DATA_SECTION(initsetup_align) \ + .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { \ + INIT_DATA \ + INIT_SETUP(initsetup_align) \ + INIT_CALLS \ + CON_INITCALL \ + SECURITY_INITCALL \ + INIT_RAM_FS \ + } + +#define BSS_SECTION(sbss_align, bss_align) \ + SBSS \ + BSS(bss_align) \ + . = ALIGN(4); \ -- cgit v1.2.3 From feb6118d4e76bc5685909426c2dcc90fdb7ba05b Mon Sep 17 00:00:00 2001 From: Boaz Harrosh Date: Sun, 24 May 2009 20:00:39 +0300 Subject: [SCSI] libosd: OSD2r05: Additional command enums Add all constant definitions of new OSD commands added in revision 4 & 5. Mainly for creating snapshots and clones. Signed-off-by: Boaz Harrosh Signed-off-by: James Bottomley --- include/scsi/osd_protocol.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include') diff --git a/include/scsi/osd_protocol.h b/include/scsi/osd_protocol.h index 62b2ab8c69d4..2cc8e8b1cc19 100644 --- a/include/scsi/osd_protocol.h +++ b/include/scsi/osd_protocol.h @@ -303,7 +303,15 @@ enum osd_service_actions { OSD_ACT_V2(REMOVE_MEMBER_OBJECTS, 0x21) OSD_ACT_V2(GET_MEMBER_ATTRIBUTES, 0x22) OSD_ACT_V2(SET_MEMBER_ATTRIBUTES, 0x23) + + OSD_ACT_V2(CREATE_CLONE, 0x28) + OSD_ACT_V2(CREATE_SNAPSHOT, 0x29) + OSD_ACT_V2(DETACH_CLONE, 0x2A) + OSD_ACT_V2(REFRESH_SNAPSHOT_CLONE, 0x2B) + OSD_ACT_V2(RESTORE_PARTITION_FROM_SNAPSHOT, 0x2C) + OSD_ACT_V2(READ_MAP, 0x31) + OSD_ACT_V2(READ_MAPS_COMPARE, 0x32) OSD_ACT_V1_V2(PERFORM_SCSI_COMMAND, 0x8F7E, 0x8F7C) OSD_ACT_V1_V2(SCSI_TASK_MANAGEMENT, 0x8F7F, 0x8F7D) -- cgit v1.2.3 From 29191b92030bc97b05b539ce5ae0543c24a6d7ca Mon Sep 17 00:00:00 2001 From: Boaz Harrosh Date: Sun, 24 May 2009 20:01:03 +0300 Subject: [SCSI] libosd: OSD2r05: Attribute definitions Some New revision 5 Attribute definitions. Some missing definitions of Attributes and pages Signed-off-by: Boaz Harrosh Signed-off-by: James Bottomley --- include/scsi/osd_attributes.h | 74 +++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 72 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/include/scsi/osd_attributes.h b/include/scsi/osd_attributes.h index f888a6fda073..56e920ade326 100644 --- a/include/scsi/osd_attributes.h +++ b/include/scsi/osd_attributes.h @@ -29,6 +29,7 @@ enum { OSD_APAGE_PARTITION_INFORMATION = OSD_APAGE_PARTITION_FIRST + 1, OSD_APAGE_PARTITION_QUOTAS = OSD_APAGE_PARTITION_FIRST + 2, OSD_APAGE_PARTITION_TIMESTAMP = OSD_APAGE_PARTITION_FIRST + 3, + OSD_APAGE_PARTITION_ATTR_ACCESS = OSD_APAGE_PARTITION_FIRST + 4, OSD_APAGE_PARTITION_SECURITY = OSD_APAGE_PARTITION_FIRST + 5, OSD_APAGE_PARTITION_LAST = 0x5FFFFFFF, @@ -51,7 +52,9 @@ enum { OSD_APAGE_RESERVED_TYPE_LAST = 0xEFFFFFFF, OSD_APAGE_COMMON_FIRST = 0xF0000000, - OSD_APAGE_COMMON_LAST = 0xFFFFFFFE, + OSD_APAGE_COMMON_LAST = 0xFFFFFFFD, + + OSD_APAGE_CURRENT_COMMAND = 0xFFFFFFFE, OSD_APAGE_REQUEST_ALL = 0xFFFFFFFF, }; @@ -106,10 +109,30 @@ enum { OSD_ATTR_RI_PRODUCT_REVISION_LEVEL = 0x7, /* 4 */ OSD_ATTR_RI_PRODUCT_SERIAL_NUMBER = 0x8, /* variable */ OSD_ATTR_RI_OSD_NAME = 0x9, /* variable */ + OSD_ATTR_RI_MAX_CDB_CONTINUATION_LEN = 0xA, /* 4 */ OSD_ATTR_RI_TOTAL_CAPACITY = 0x80, /* 8 */ OSD_ATTR_RI_USED_CAPACITY = 0x81, /* 8 */ OSD_ATTR_RI_NUMBER_OF_PARTITIONS = 0xC0, /* 8 */ OSD_ATTR_RI_CLOCK = 0x100, /* 6 */ + OARI_DEFAULT_ISOLATION_METHOD = 0X110, /* 1 */ + OARI_SUPPORTED_ISOLATION_METHODS = 0X111, /* 32 */ + + OARI_DATA_ATOMICITY_GUARANTEE = 0X120, /* 8 */ + OARI_DATA_ATOMICITY_ALIGNMENT = 0X121, /* 8 */ + OARI_ATTRIBUTES_ATOMICITY_GUARANTEE = 0X122, /* 8 */ + OARI_DATA_ATTRIBUTES_ATOMICITY_MULTIPLIER = 0X123, /* 1 */ + + OARI_MAXIMUM_SNAPSHOTS_COUNT = 0X1C1, /* 0 or 4 */ + OARI_MAXIMUM_CLONES_COUNT = 0X1C2, /* 0 or 4 */ + OARI_MAXIMUM_BRANCH_DEPTH = 0X1CC, /* 0 or 4 */ + OARI_SUPPORTED_OBJECT_DUPLICATION_METHOD_FIRST = 0X200, /* 0 or 4 */ + OARI_SUPPORTED_OBJECT_DUPLICATION_METHOD_LAST = 0X2ff, /* 0 or 4 */ + OARI_SUPPORTED_TIME_OF_DUPLICATION_METHOD_FIRST = 0X300, /* 0 or 4 */ + OARI_SUPPORTED_TIME_OF_DUPLICATION_METHOD_LAST = 0X30F, /* 0 or 4 */ + OARI_SUPPORT_FOR_DUPLICATED_OBJECT_FREEZING = 0X310, /* 0 or 4 */ + OARI_SUPPORT_FOR_SNAPSHOT_REFRESHING = 0X311, /* 0 or 1 */ + OARI_SUPPORTED_CDB_CONTINUATION_DESC_TYPE_FIRST = 0X7000001,/* 0 or 4 */ + OARI_SUPPORTED_CDB_CONTINUATION_DESC_TYPE_LAST = 0X700FFFF,/* 0 or 4 */ }; /* Root_Information_attributes_page does not have a get_page structure */ @@ -120,7 +143,15 @@ enum { OSD_ATTR_PI_PARTITION_ID = 0x1, /* 8 */ OSD_ATTR_PI_USERNAME = 0x9, /* variable */ OSD_ATTR_PI_USED_CAPACITY = 0x81, /* 8 */ + OSD_ATTR_PI_USED_CAPACITY_INCREMENT = 0x84, /* 0 or 8 */ OSD_ATTR_PI_NUMBER_OF_OBJECTS = 0xC1, /* 8 */ + + OSD_ATTR_PI_ACTUAL_DATA_SPACE = 0xD1, /* 0 or 8 */ + OSD_ATTR_PI_RESERVED_DATA_SPACE = 0xD2, /* 0 or 8 */ + OSD_ATTR_PI_DEFAULT_SNAPSHOT_DUPLICATION_METHOD = 0x200,/* 0 or 4 */ + OSD_ATTR_PI_DEFAULT_CLONE_DUPLICATION_METHOD = 0x201,/* 0 or 4 */ + OSD_ATTR_PI_DEFAULT_SP_TIME_OF_DUPLICATION = 0x300,/* 0 or 4 */ + OSD_ATTR_PI_DEFAULT_CLONE_TIME_OF_DUPLICATION = 0x301,/* 0 or 4 */ }; /* Partition Information attributes page does not have a get_page structure */ @@ -131,6 +162,7 @@ enum { OSD_ATTR_CI_PARTITION_ID = 0x1, /* 8 */ OSD_ATTR_CI_COLLECTION_OBJECT_ID = 0x2, /* 8 */ OSD_ATTR_CI_USERNAME = 0x9, /* variable */ + OSD_ATTR_CI_COLLECTION_TYPE = 0xA, /* 1 */ OSD_ATTR_CI_USED_CAPACITY = 0x81, /* 8 */ }; /* Collection Information attributes page does not have a get_page structure */ @@ -144,6 +176,8 @@ enum { OSD_ATTR_OI_USERNAME = 0x9, /* variable */ OSD_ATTR_OI_USED_CAPACITY = 0x81, /* 8 */ OSD_ATTR_OI_LOGICAL_LENGTH = 0x82, /* 8 */ + SD_ATTR_OI_ACTUAL_DATA_SPACE = 0XD1, /* 0 OR 8 */ + SD_ATTR_OI_RESERVED_DATA_SPACE = 0XD2, /* 0 OR 8 */ }; /* Object Information attributes page does not have a get_page structure */ @@ -248,7 +282,18 @@ struct object_timestamps_attributes_page { struct osd_timestamp data_modified_time; } __packed; -/* 7.1.2.19 Collections attributes page */ +/* OSD2r05: 7.1.3.19 Attributes Access attributes page + * (OSD_APAGE_PARTITION_ATTR_ACCESS) + * + * each attribute is of the form below. Total array length is deduced + * from the attribute's length + * (See allowed_attributes_access of the struct osd_cap_object_descriptor) + */ +struct attributes_access_attr { + struct osd_attributes_list_attrid attr_list[0]; +} __packed; + +/* OSD2r05: 7.1.2.21 Collections attributes page */ /* TBD */ /* 7.1.2.20 Root Policy/Security attributes page (OSD_APAGE_ROOT_SECURITY) */ @@ -324,4 +369,29 @@ struct object_security_attributes_page { __be32 policy_access_tag; } __packed; +/* OSD2r05: 7.1.3.31 Current Command attributes page + * (OSD_APAGE_CURRENT_COMMAND) + */ +enum { + OSD_ATTR_CC_RESPONSE_INTEGRITY_CHECK_VALUE = 0x1, /* 32 */ + OSD_ATTR_CC_OBJECT_TYPE = 0x2, /* 1 */ + OSD_ATTR_CC_PARTITION_ID = 0x3, /* 8 */ + OSD_ATTR_CC_OBJECT_ID = 0x4, /* 8 */ + OSD_ATTR_CC_STARTING_BYTE_ADDRESS_OF_APPEND = 0x5, /* 8 */ + OSD_ATTR_CC_CHANGE_IN_USED_CAPACITY = 0x6, /* 8 */ +}; + +/*TBD: osdv1_current_command_attributes_page */ + +struct osdv2_current_command_attributes_page { + struct osd_attr_page_header hdr; /* id=0xFFFFFFFE, size=0x44 */ + u8 response_integrity_check_value[OSD_CRYPTO_KEYID_SIZE]; + u8 object_type; + u8 reserved[3]; + __be64 partition_id; + __be64 object_id; + __be64 starting_byte_address_of_append; + __be64 change_in_used_capacity; +}; + #endif /*ndef __OSD_ATTRIBUTES_H__*/ -- cgit v1.2.3 From 0e35afbc8b054e04a35faa796c72abb3b82bd33b Mon Sep 17 00:00:00 2001 From: Boaz Harrosh Date: Sun, 24 May 2009 20:02:22 +0300 Subject: [SCSI] libosd: osd_req_{read,write}_kern new API By popular demand, define usefull wrappers for osd_req_read/write that recieve kernel pointers. All users had their own. Also remove these from exofs Signed-off-by: Boaz Harrosh Signed-off-by: James Bottomley --- drivers/scsi/osd/osd_initiator.c | 28 ++++++++++++++++++++++++++++ fs/exofs/common.h | 6 ------ fs/exofs/osd.c | 26 -------------------------- include/scsi/osd_initiator.h | 4 ++++ 4 files changed, 32 insertions(+), 32 deletions(-) (limited to 'include') diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 15f0bbc19c9c..c98153bfb36d 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -789,6 +789,20 @@ void osd_req_write(struct osd_request *or, } EXPORT_SYMBOL(osd_req_write); +int osd_req_write_kern(struct osd_request *or, + const struct osd_obj_id *obj, u64 offset, void* buff, u64 len) +{ + struct request_queue *req_q = or->osd_dev->scsi_device->request_queue; + struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL); + + if (IS_ERR(bio)) + return PTR_ERR(bio); + + osd_req_write(or, obj, bio, offset); + return 0; +} +EXPORT_SYMBOL(osd_req_write_kern); + /*TODO: void osd_req_append(struct osd_request *, const struct osd_obj_id *, struct bio *data_out); */ /*TODO: void osd_req_create_write(struct osd_request *, @@ -824,6 +838,20 @@ void osd_req_read(struct osd_request *or, } EXPORT_SYMBOL(osd_req_read); +int osd_req_read_kern(struct osd_request *or, + const struct osd_obj_id *obj, u64 offset, void* buff, u64 len) +{ + struct request_queue *req_q = or->osd_dev->scsi_device->request_queue; + struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL); + + if (IS_ERR(bio)) + return PTR_ERR(bio); + + osd_req_read(or, obj, bio, offset); + return 0; +} +EXPORT_SYMBOL(osd_req_read_kern); + void osd_req_get_attributes(struct osd_request *or, const struct osd_obj_id *obj) { diff --git a/fs/exofs/common.h b/fs/exofs/common.h index b1512c4bb8c7..24667eedc023 100644 --- a/fs/exofs/common.h +++ b/fs/exofs/common.h @@ -175,10 +175,4 @@ int exofs_async_op(struct osd_request *or, int extract_attr_from_req(struct osd_request *or, struct osd_attr *attr); -int osd_req_read_kern(struct osd_request *or, - const struct osd_obj_id *obj, u64 offset, void *buff, u64 len); - -int osd_req_write_kern(struct osd_request *or, - const struct osd_obj_id *obj, u64 offset, void *buff, u64 len); - #endif /*ifndef __EXOFS_COM_H__*/ diff --git a/fs/exofs/osd.c b/fs/exofs/osd.c index b249ae97fb15..48cc4d11d3fb 100644 --- a/fs/exofs/osd.c +++ b/fs/exofs/osd.c @@ -125,29 +125,3 @@ int extract_attr_from_req(struct osd_request *or, struct osd_attr *attr) return -EIO; } - -int osd_req_read_kern(struct osd_request *or, - const struct osd_obj_id *obj, u64 offset, void* buff, u64 len) -{ - struct request_queue *req_q = or->osd_dev->scsi_device->request_queue; - struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL); - - if (!bio) - return -ENOMEM; - - osd_req_read(or, obj, bio, offset); - return 0; -} - -int osd_req_write_kern(struct osd_request *or, - const struct osd_obj_id *obj, u64 offset, void* buff, u64 len) -{ - struct request_queue *req_q = or->osd_dev->scsi_device->request_queue; - struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL); - - if (!bio) - return -ENOMEM; - - osd_req_write(or, obj, bio, offset); - return 0; -} diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h index b24d9616eb46..6132790d678f 100644 --- a/include/scsi/osd_initiator.h +++ b/include/scsi/osd_initiator.h @@ -364,6 +364,8 @@ void osd_req_remove_object(struct osd_request *or, struct osd_obj_id *); void osd_req_write(struct osd_request *or, const struct osd_obj_id *, struct bio *data_out, u64 offset); +int osd_req_write_kern(struct osd_request *or, + const struct osd_obj_id *obj, u64 offset, void *buff, u64 len); void osd_req_append(struct osd_request *or, const struct osd_obj_id *, struct bio *data_out);/* NI */ void osd_req_create_write(struct osd_request *or, @@ -379,6 +381,8 @@ void osd_req_flush_object(struct osd_request *or, void osd_req_read(struct osd_request *or, const struct osd_obj_id *, struct bio *data_in, u64 offset); +int osd_req_read_kern(struct osd_request *or, + const struct osd_obj_id *obj, u64 offset, void *buff, u64 len); /* * Root/Partition/Collection/Object Attributes commands -- cgit v1.2.3 From 62f469b596dd0aadf046a69027087c18db43734e Mon Sep 17 00:00:00 2001 From: Boaz Harrosh Date: Sun, 24 May 2009 20:04:26 +0300 Subject: [SCSI] libosd: osd_req_{read,write} takes a length parameter For supporting of chained-bios we can not inspect the first bio only, as before. Caller shall pass the total length of the request, ie. sum_bytes(bio-chain). Also since the bio might be a chain we don't set it's direction on behalf of it's callers. The bio direction should be properly set prior to this call. So fix a couple of write users that now need to set the bio direction properly [In this patch I change both library code and user sites at exofs, to make it easy on integration. It should be submitted via James's scsi-misc tree.] Signed-off-by: Boaz Harrosh CC: Jeff Garzik Signed-off-by: James Bottomley --- drivers/scsi/osd/osd_initiator.c | 23 +++++++++++++---------- fs/exofs/inode.c | 5 +++-- include/scsi/osd_initiator.h | 4 ++-- 3 files changed, 18 insertions(+), 14 deletions(-) (limited to 'include') diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index ba2ebae305cd..3f5ec578e6c6 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -779,13 +779,14 @@ EXPORT_SYMBOL(osd_req_remove_object); */ void osd_req_write(struct osd_request *or, - const struct osd_obj_id *obj, struct bio *bio, u64 offset) + const struct osd_obj_id *obj, u64 offset, + struct bio *bio, u64 len) { - _osd_req_encode_common(or, OSD_ACT_WRITE, obj, offset, bio->bi_size); + _osd_req_encode_common(or, OSD_ACT_WRITE, obj, offset, len); WARN_ON(or->out.bio || or->out.total_bytes); - bio->bi_rw |= (1 << BIO_RW); + WARN_ON(0 == bio_rw_flagged(bio, BIO_RW)); or->out.bio = bio; - or->out.total_bytes = bio->bi_size; + or->out.total_bytes = len; } EXPORT_SYMBOL(osd_req_write); @@ -798,7 +799,8 @@ int osd_req_write_kern(struct osd_request *or, if (IS_ERR(bio)) return PTR_ERR(bio); - osd_req_write(or, obj, bio, offset); + bio->bi_rw |= (1 << BIO_RW); /* FIXME: bio_set_dir() */ + osd_req_write(or, obj, offset, bio, len); return 0; } EXPORT_SYMBOL(osd_req_write_kern); @@ -828,13 +830,14 @@ void osd_req_flush_object(struct osd_request *or, EXPORT_SYMBOL(osd_req_flush_object); void osd_req_read(struct osd_request *or, - const struct osd_obj_id *obj, struct bio *bio, u64 offset) + const struct osd_obj_id *obj, u64 offset, + struct bio *bio, u64 len) { - _osd_req_encode_common(or, OSD_ACT_READ, obj, offset, bio->bi_size); + _osd_req_encode_common(or, OSD_ACT_READ, obj, offset, len); WARN_ON(or->in.bio || or->in.total_bytes); - bio->bi_rw &= ~(1 << BIO_RW); + WARN_ON(1 == bio_rw_flagged(bio, BIO_RW)); or->in.bio = bio; - or->in.total_bytes = bio->bi_size; + or->in.total_bytes = len; } EXPORT_SYMBOL(osd_req_read); @@ -847,7 +850,7 @@ int osd_req_read_kern(struct osd_request *or, if (IS_ERR(bio)) return PTR_ERR(bio); - osd_req_read(or, obj, bio, offset); + osd_req_read(or, obj, offset, bio, len); return 0; } EXPORT_SYMBOL(osd_req_read_kern); diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c index ba8d9fab4693..f79e8e58c3a2 100644 --- a/fs/exofs/inode.c +++ b/fs/exofs/inode.c @@ -266,7 +266,7 @@ static int read_exec(struct page_collect *pcol, bool is_sync) goto err; } - osd_req_read(or, &obj, pcol->bio, i_start); + osd_req_read(or, &obj, i_start, pcol->bio, pcol->length); if (is_sync) { exofs_sync_op(or, pcol->sbi->s_timeout, oi->i_cred); @@ -522,7 +522,8 @@ static int write_exec(struct page_collect *pcol) *pcol_copy = *pcol; - osd_req_write(or, &obj, pcol_copy->bio, i_start); + pcol_copy->bio->bi_rw |= (1 << BIO_RW); /* FIXME: bio_set_dir() */ + osd_req_write(or, &obj, i_start, pcol_copy->bio, pcol_copy->length); ret = exofs_async_op(or, writepages_done, pcol_copy, oi->i_cred); if (unlikely(ret)) { EXOFS_ERR("write_exec: exofs_async_op() Faild\n"); diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h index 6132790d678f..8c1e3b804afd 100644 --- a/include/scsi/osd_initiator.h +++ b/include/scsi/osd_initiator.h @@ -363,7 +363,7 @@ void osd_req_create_object(struct osd_request *or, struct osd_obj_id *); void osd_req_remove_object(struct osd_request *or, struct osd_obj_id *); void osd_req_write(struct osd_request *or, - const struct osd_obj_id *, struct bio *data_out, u64 offset); + const struct osd_obj_id *obj, u64 offset, struct bio *bio, u64 len); int osd_req_write_kern(struct osd_request *or, const struct osd_obj_id *obj, u64 offset, void *buff, u64 len); void osd_req_append(struct osd_request *or, @@ -380,7 +380,7 @@ void osd_req_flush_object(struct osd_request *or, /*V2*/ u64 offset, /*V2*/ u64 len); void osd_req_read(struct osd_request *or, - const struct osd_obj_id *, struct bio *data_in, u64 offset); + const struct osd_obj_id *obj, u64 offset, struct bio *bio, u64 len); int osd_req_read_kern(struct osd_request *or, const struct osd_obj_id *obj, u64 offset, void *buff, u64 len); -- cgit v1.2.3 From fc2fac5b5f11e2bee3bf37215c8746236f5ea188 Mon Sep 17 00:00:00 2001 From: Boaz Harrosh Date: Sun, 24 May 2009 20:04:43 +0300 Subject: [SCSI] libosd: Define an osd_dev wrapper to retrieve the request_queue libosd users that need to work with bios, must sometime use the request_queue associated with the osd_dev. Make a wrapper for that, and convert all in-tree users. Signed-off-by: Boaz Harrosh Signed-off-by: James Bottomley --- drivers/scsi/osd/osd_initiator.c | 6 +++--- fs/exofs/inode.c | 3 +-- include/scsi/osd_initiator.h | 5 +++++ 3 files changed, 9 insertions(+), 5 deletions(-) (limited to 'include') diff --git a/drivers/scsi/osd/osd_initiator.c b/drivers/scsi/osd/osd_initiator.c index 3f5ec578e6c6..3959797149fd 100644 --- a/drivers/scsi/osd/osd_initiator.c +++ b/drivers/scsi/osd/osd_initiator.c @@ -670,7 +670,7 @@ static int _osd_req_list_objects(struct osd_request *or, __be16 action, const struct osd_obj_id *obj, osd_id initial_id, struct osd_obj_id_list *list, unsigned nelem) { - struct request_queue *q = or->osd_dev->scsi_device->request_queue; + struct request_queue *q = osd_request_queue(or->osd_dev); u64 len = nelem * sizeof(osd_id) + sizeof(*list); struct bio *bio; @@ -793,7 +793,7 @@ EXPORT_SYMBOL(osd_req_write); int osd_req_write_kern(struct osd_request *or, const struct osd_obj_id *obj, u64 offset, void* buff, u64 len) { - struct request_queue *req_q = or->osd_dev->scsi_device->request_queue; + struct request_queue *req_q = osd_request_queue(or->osd_dev); struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL); if (IS_ERR(bio)) @@ -844,7 +844,7 @@ EXPORT_SYMBOL(osd_req_read); int osd_req_read_kern(struct osd_request *or, const struct osd_obj_id *obj, u64 offset, void* buff, u64 len) { - struct request_queue *req_q = or->osd_dev->scsi_device->request_queue; + struct request_queue *req_q = osd_request_queue(or->osd_dev); struct bio *bio = bio_map_kern(req_q, buff, len, GFP_KERNEL); if (IS_ERR(bio)) diff --git a/fs/exofs/inode.c b/fs/exofs/inode.c index f79e8e58c3a2..77d0a295eb1c 100644 --- a/fs/exofs/inode.c +++ b/fs/exofs/inode.c @@ -59,10 +59,9 @@ static void _pcol_init(struct page_collect *pcol, unsigned expected_pages, struct inode *inode) { struct exofs_sb_info *sbi = inode->i_sb->s_fs_info; - struct request_queue *req_q = sbi->s_dev->scsi_device->request_queue; pcol->sbi = sbi; - pcol->req_q = req_q; + pcol->req_q = osd_request_queue(sbi->s_dev); pcol->inode = inode; pcol->expected_pages = expected_pages; diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h index 8c1e3b804afd..b44dc53bd881 100644 --- a/include/scsi/osd_initiator.h +++ b/include/scsi/osd_initiator.h @@ -18,6 +18,7 @@ #include "osd_types.h" #include +#include /* Note: "NI" in comments below means "Not Implemented yet" */ @@ -69,6 +70,10 @@ void osd_dev_fini(struct osd_dev *od); /* some hi level device operations */ int osd_auto_detect_ver(struct osd_dev *od, void *caps); /* GFP_KERNEL */ +static inline struct request_queue *osd_request_queue(struct osd_dev *od) +{ + return od->scsi_device->request_queue; +} /* we might want to use function vector in the future */ static inline void osd_dev_set_ver(struct osd_dev *od, enum osd_std_version v) -- cgit v1.2.3 From 021e2230d6c04d80289fceb2d21c9ce93a615b32 Mon Sep 17 00:00:00 2001 From: Boaz Harrosh Date: Sun, 24 May 2009 20:05:05 +0300 Subject: [SCSI] osduld: use filp_open() when looking up an osd-device This patch was inspired by Al Viro, for simplifying and fixing the retrieval of osd-devices by in-kernel users, eg: file systems. In-Kernel users, now, go through the same path user-mode does by opening a file on the osd char-device and though holding a reference to both the device and the Module. A file pointer was added to the osd_dev structure which is now allocated for each user. The internal osd_dev is no longer exposed outside of the uld. I wanted to do that for a long time so each libosd user can have his own defaults on the device. The API is left the same, so user code need not change. It is no longer needed to open/close a file handle on the osd char-device from user-mode, before mounting an exofs on it. Signed-off-by: Boaz Harrosh CC: Al Viro Signed-off-by: James Bottomley --- drivers/scsi/osd/osd_uld.c | 66 ++++++++++++++++++++------------------------ include/scsi/osd_initiator.h | 1 + 2 files changed, 31 insertions(+), 36 deletions(-) (limited to 'include') diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c index 22b59e13ba83..0bdef3390902 100644 --- a/drivers/scsi/osd/osd_uld.c +++ b/drivers/scsi/osd/osd_uld.c @@ -49,6 +49,7 @@ #include #include #include +#include #include #include @@ -175,10 +176,9 @@ static const struct file_operations osd_fops = { struct osd_dev *osduld_path_lookup(const char *name) { - struct path path; - struct inode *inode; - struct cdev *cdev; - struct osd_uld_device *uninitialized_var(oud); + struct osd_uld_device *oud; + struct osd_dev *od; + struct file *file; int error; if (!name || !*name) { @@ -186,52 +186,46 @@ struct osd_dev *osduld_path_lookup(const char *name) return ERR_PTR(-EINVAL); } - error = kern_path(name, LOOKUP_FOLLOW, &path); - if (error) { - OSD_ERR("path_lookup of %s failed=>%d\n", name, error); - return ERR_PTR(error); - } + od = kzalloc(sizeof(*od), GFP_KERNEL); + if (!od) + return ERR_PTR(-ENOMEM); - inode = path.dentry->d_inode; - error = -EINVAL; /* Not the right device e.g osd_uld_device */ - if (!S_ISCHR(inode->i_mode)) { - OSD_DEBUG("!S_ISCHR()\n"); - goto out; + file = filp_open(name, O_RDWR, 0); + if (IS_ERR(file)) { + error = PTR_ERR(file); + goto free_od; } - cdev = inode->i_cdev; - if (!cdev) { - OSD_ERR("Before mounting an OSD Based filesystem\n"); - OSD_ERR(" user-mode must open+close the %s device\n", name); - OSD_ERR(" Example: bash: echo < %s\n", name); - goto out; + if (file->f_op != &osd_fops){ + error = -EINVAL; + goto close_file; } - /* The Magic wand. Is it our char-dev */ - /* TODO: Support sg devices */ - if (cdev->owner != THIS_MODULE) { - OSD_ERR("Error mounting %s - is not an OSD device\n", name); - goto out; - } + oud = file->private_data; - oud = container_of(cdev, struct osd_uld_device, cdev); + *od = oud->od; + od->file = file; - __uld_get(oud); - error = 0; + return od; -out: - path_put(&path); - return error ? ERR_PTR(error) : &oud->od; +close_file: + fput(file); +free_od: + kfree(od); + return ERR_PTR(error); } EXPORT_SYMBOL(osduld_path_lookup); void osduld_put_device(struct osd_dev *od) { - if (od) { - struct osd_uld_device *oud = container_of(od, - struct osd_uld_device, od); - __uld_put(oud); + if (od && !IS_ERR(od)) { + struct osd_uld_device *oud = od->file->private_data; + + BUG_ON(od->scsi_device != oud->od.scsi_device); + + fput(od->file); + kfree(od); } } EXPORT_SYMBOL(osduld_put_device); diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h index b44dc53bd881..02bd9f716357 100644 --- a/include/scsi/osd_initiator.h +++ b/include/scsi/osd_initiator.h @@ -48,6 +48,7 @@ enum osd_std_version { */ struct osd_dev { struct scsi_device *scsi_device; + struct file *file; unsigned def_timeout; #ifdef OSD_VER1_SUPPORT -- cgit v1.2.3 From b43d65f7e818485664037a46367cfb15af05bd8c Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Tue, 9 Jun 2009 08:11:42 +0100 Subject: [ARM] 5546/1: ARM PL022 SSP/SPI driver v3 This adds a driver for the ARM PL022 PrimeCell SSP/SPI driver found in the U300 platforms as well as in some ARM reference hardware, and in a modified version on the Nomadik board. Reviewed-by: Alessandro Rubini Reviewed-by: Russell King Reviewed-by: Baruch Siach Signed-off-by: Linus Walleij Signed-off-by: Russell King --- drivers/spi/Kconfig | 9 + drivers/spi/Makefile | 1 + drivers/spi/amba-pl022.c | 1866 ++++++++++++++++++++++++++++++++++++++++++++ include/linux/amba/pl022.h | 264 +++++++ 4 files changed, 2140 insertions(+) create mode 100644 drivers/spi/amba-pl022.c create mode 100644 include/linux/amba/pl022.h (limited to 'include') diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 7c61251bea61..8e7c17e4461f 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -171,6 +171,15 @@ config SPI_ORION help This enables using the SPI master controller on the Orion chips. +config SPI_PL022 + tristate "ARM AMBA PL022 SSP controller (EXPERIMENTAL)" + depends on ARM_AMBA && EXPERIMENTAL + default y if MACH_U300 + help + This selects the ARM(R) AMBA(R) PrimeCell PL022 SSP + controller. If you have an embedded system with an AMBA(R) + bus and a PL022 controller, say Y or M here. + config SPI_PXA2XX tristate "PXA2xx SSP SPI master" depends on ARCH_PXA && EXPERIMENTAL diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 5d0451936d86..ecfadb180482 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_SPI_PXA2XX) += pxa2xx_spi.o obj-$(CONFIG_SPI_OMAP_UWIRE) += omap_uwire.o obj-$(CONFIG_SPI_OMAP24XX) += omap2_mcspi.o obj-$(CONFIG_SPI_ORION) += orion_spi.o +obj-$(CONFIG_SPI_PL022) += amba-pl022.o obj-$(CONFIG_SPI_MPC52xx_PSC) += mpc52xx_psc_spi.o obj-$(CONFIG_SPI_MPC83xx) += spi_mpc83xx.o obj-$(CONFIG_SPI_S3C24XX_GPIO) += spi_s3c24xx_gpio.o diff --git a/drivers/spi/amba-pl022.c b/drivers/spi/amba-pl022.c new file mode 100644 index 000000000000..da76797ce8b9 --- /dev/null +++ b/drivers/spi/amba-pl022.c @@ -0,0 +1,1866 @@ +/* + * drivers/spi/amba-pl022.c + * + * A driver for the ARM PL022 PrimeCell SSP/SPI bus master. + * + * Copyright (C) 2008-2009 ST-Ericsson AB + * Copyright (C) 2006 STMicroelectronics Pvt. Ltd. + * + * Author: Linus Walleij + * + * Initial version inspired by: + * linux-2.6.17-rc3-mm1/drivers/spi/pxa2xx_spi.c + * Initial adoption to PL022 by: + * Sachin Verma + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +/* + * TODO: + * - add timeout on polled transfers + * - add generic DMA framework support + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * This macro is used to define some register default values. + * reg is masked with mask, the OR:ed with an (again masked) + * val shifted sb steps to the left. + */ +#define SSP_WRITE_BITS(reg, val, mask, sb) \ + ((reg) = (((reg) & ~(mask)) | (((val)<<(sb)) & (mask)))) + +/* + * This macro is also used to define some default values. + * It will just shift val by sb steps to the left and mask + * the result with mask. + */ +#define GEN_MASK_BITS(val, mask, sb) \ + (((val)<<(sb)) & (mask)) + +#define DRIVE_TX 0 +#define DO_NOT_DRIVE_TX 1 + +#define DO_NOT_QUEUE_DMA 0 +#define QUEUE_DMA 1 + +#define RX_TRANSFER 1 +#define TX_TRANSFER 2 + +/* + * Macros to access SSP Registers with their offsets + */ +#define SSP_CR0(r) (r + 0x000) +#define SSP_CR1(r) (r + 0x004) +#define SSP_DR(r) (r + 0x008) +#define SSP_SR(r) (r + 0x00C) +#define SSP_CPSR(r) (r + 0x010) +#define SSP_IMSC(r) (r + 0x014) +#define SSP_RIS(r) (r + 0x018) +#define SSP_MIS(r) (r + 0x01C) +#define SSP_ICR(r) (r + 0x020) +#define SSP_DMACR(r) (r + 0x024) +#define SSP_ITCR(r) (r + 0x080) +#define SSP_ITIP(r) (r + 0x084) +#define SSP_ITOP(r) (r + 0x088) +#define SSP_TDR(r) (r + 0x08C) + +#define SSP_PID0(r) (r + 0xFE0) +#define SSP_PID1(r) (r + 0xFE4) +#define SSP_PID2(r) (r + 0xFE8) +#define SSP_PID3(r) (r + 0xFEC) + +#define SSP_CID0(r) (r + 0xFF0) +#define SSP_CID1(r) (r + 0xFF4) +#define SSP_CID2(r) (r + 0xFF8) +#define SSP_CID3(r) (r + 0xFFC) + +/* + * SSP Control Register 0 - SSP_CR0 + */ +#define SSP_CR0_MASK_DSS (0x1FUL << 0) +#define SSP_CR0_MASK_HALFDUP (0x1UL << 5) +#define SSP_CR0_MASK_SPO (0x1UL << 6) +#define SSP_CR0_MASK_SPH (0x1UL << 7) +#define SSP_CR0_MASK_SCR (0xFFUL << 8) +#define SSP_CR0_MASK_CSS (0x1FUL << 16) +#define SSP_CR0_MASK_FRF (0x3UL << 21) + +/* + * SSP Control Register 0 - SSP_CR1 + */ +#define SSP_CR1_MASK_LBM (0x1UL << 0) +#define SSP_CR1_MASK_SSE (0x1UL << 1) +#define SSP_CR1_MASK_MS (0x1UL << 2) +#define SSP_CR1_MASK_SOD (0x1UL << 3) +#define SSP_CR1_MASK_RENDN (0x1UL << 4) +#define SSP_CR1_MASK_TENDN (0x1UL << 5) +#define SSP_CR1_MASK_MWAIT (0x1UL << 6) +#define SSP_CR1_MASK_RXIFLSEL (0x7UL << 7) +#define SSP_CR1_MASK_TXIFLSEL (0x7UL << 10) + +/* + * SSP Data Register - SSP_DR + */ +#define SSP_DR_MASK_DATA 0xFFFFFFFF + +/* + * SSP Status Register - SSP_SR + */ +#define SSP_SR_MASK_TFE (0x1UL << 0) /* Transmit FIFO empty */ +#define SSP_SR_MASK_TNF (0x1UL << 1) /* Transmit FIFO not full */ +#define SSP_SR_MASK_RNE (0x1UL << 2) /* Receive FIFO not empty */ +#define SSP_SR_MASK_RFF (0x1UL << 3) /* Receive FIFO full */ +#define SSP_SR_MASK_BSY (0x1UL << 4) /* Busy Flag */ + +/* + * SSP Clock Prescale Register - SSP_CPSR + */ +#define SSP_CPSR_MASK_CPSDVSR (0xFFUL << 0) + +/* + * SSP Interrupt Mask Set/Clear Register - SSP_IMSC + */ +#define SSP_IMSC_MASK_RORIM (0x1UL << 0) /* Receive Overrun Interrupt mask */ +#define SSP_IMSC_MASK_RTIM (0x1UL << 1) /* Receive timeout Interrupt mask */ +#define SSP_IMSC_MASK_RXIM (0x1UL << 2) /* Receive FIFO Interrupt mask */ +#define SSP_IMSC_MASK_TXIM (0x1UL << 3) /* Transmit FIFO Interrupt mask */ + +/* + * SSP Raw Interrupt Status Register - SSP_RIS + */ +/* Receive Overrun Raw Interrupt status */ +#define SSP_RIS_MASK_RORRIS (0x1UL << 0) +/* Receive Timeout Raw Interrupt status */ +#define SSP_RIS_MASK_RTRIS (0x1UL << 1) +/* Receive FIFO Raw Interrupt status */ +#define SSP_RIS_MASK_RXRIS (0x1UL << 2) +/* Transmit FIFO Raw Interrupt status */ +#define SSP_RIS_MASK_TXRIS (0x1UL << 3) + +/* + * SSP Masked Interrupt Status Register - SSP_MIS + */ +/* Receive Overrun Masked Interrupt status */ +#define SSP_MIS_MASK_RORMIS (0x1UL << 0) +/* Receive Timeout Masked Interrupt status */ +#define SSP_MIS_MASK_RTMIS (0x1UL << 1) +/* Receive FIFO Masked Interrupt status */ +#define SSP_MIS_MASK_RXMIS (0x1UL << 2) +/* Transmit FIFO Masked Interrupt status */ +#define SSP_MIS_MASK_TXMIS (0x1UL << 3) + +/* + * SSP Interrupt Clear Register - SSP_ICR + */ +/* Receive Overrun Raw Clear Interrupt bit */ +#define SSP_ICR_MASK_RORIC (0x1UL << 0) +/* Receive Timeout Clear Interrupt bit */ +#define SSP_ICR_MASK_RTIC (0x1UL << 1) + +/* + * SSP DMA Control Register - SSP_DMACR + */ +/* Receive DMA Enable bit */ +#define SSP_DMACR_MASK_RXDMAE (0x1UL << 0) +/* Transmit DMA Enable bit */ +#define SSP_DMACR_MASK_TXDMAE (0x1UL << 1) + +/* + * SSP Integration Test control Register - SSP_ITCR + */ +#define SSP_ITCR_MASK_ITEN (0x1UL << 0) +#define SSP_ITCR_MASK_TESTFIFO (0x1UL << 1) + +/* + * SSP Integration Test Input Register - SSP_ITIP + */ +#define ITIP_MASK_SSPRXD (0x1UL << 0) +#define ITIP_MASK_SSPFSSIN (0x1UL << 1) +#define ITIP_MASK_SSPCLKIN (0x1UL << 2) +#define ITIP_MASK_RXDMAC (0x1UL << 3) +#define ITIP_MASK_TXDMAC (0x1UL << 4) +#define ITIP_MASK_SSPTXDIN (0x1UL << 5) + +/* + * SSP Integration Test output Register - SSP_ITOP + */ +#define ITOP_MASK_SSPTXD (0x1UL << 0) +#define ITOP_MASK_SSPFSSOUT (0x1UL << 1) +#define ITOP_MASK_SSPCLKOUT (0x1UL << 2) +#define ITOP_MASK_SSPOEn (0x1UL << 3) +#define ITOP_MASK_SSPCTLOEn (0x1UL << 4) +#define ITOP_MASK_RORINTR (0x1UL << 5) +#define ITOP_MASK_RTINTR (0x1UL << 6) +#define ITOP_MASK_RXINTR (0x1UL << 7) +#define ITOP_MASK_TXINTR (0x1UL << 8) +#define ITOP_MASK_INTR (0x1UL << 9) +#define ITOP_MASK_RXDMABREQ (0x1UL << 10) +#define ITOP_MASK_RXDMASREQ (0x1UL << 11) +#define ITOP_MASK_TXDMABREQ (0x1UL << 12) +#define ITOP_MASK_TXDMASREQ (0x1UL << 13) + +/* + * SSP Test Data Register - SSP_TDR + */ +#define TDR_MASK_TESTDATA (0xFFFFFFFF) + +/* + * Message State + * we use the spi_message.state (void *) pointer to + * hold a single state value, that's why all this + * (void *) casting is done here. + */ +#define STATE_START ((void *) 0) +#define STATE_RUNNING ((void *) 1) +#define STATE_DONE ((void *) 2) +#define STATE_ERROR ((void *) -1) + +/* + * Queue State + */ +#define QUEUE_RUNNING (0) +#define QUEUE_STOPPED (1) +/* + * SSP State - Whether Enabled or Disabled + */ +#define SSP_DISABLED (0) +#define SSP_ENABLED (1) + +/* + * SSP DMA State - Whether DMA Enabled or Disabled + */ +#define SSP_DMA_DISABLED (0) +#define SSP_DMA_ENABLED (1) + +/* + * SSP Clock Defaults + */ +#define NMDK_SSP_DEFAULT_CLKRATE 0x2 +#define NMDK_SSP_DEFAULT_PRESCALE 0x40 + +/* + * SSP Clock Parameter ranges + */ +#define CPSDVR_MIN 0x02 +#define CPSDVR_MAX 0xFE +#define SCR_MIN 0x00 +#define SCR_MAX 0xFF + +/* + * SSP Interrupt related Macros + */ +#define DEFAULT_SSP_REG_IMSC 0x0UL +#define DISABLE_ALL_INTERRUPTS DEFAULT_SSP_REG_IMSC +#define ENABLE_ALL_INTERRUPTS (~DEFAULT_SSP_REG_IMSC) + +#define CLEAR_ALL_INTERRUPTS 0x3 + + +/* + * The type of reading going on on this chip + */ +enum ssp_reading { + READING_NULL, + READING_U8, + READING_U16, + READING_U32 +}; + +/** + * The type of writing going on on this chip + */ +enum ssp_writing { + WRITING_NULL, + WRITING_U8, + WRITING_U16, + WRITING_U32 +}; + +/** + * struct vendor_data - vendor-specific config parameters + * for PL022 derivates + * @fifodepth: depth of FIFOs (both) + * @max_bpw: maximum number of bits per word + * @unidir: supports unidirection transfers + */ +struct vendor_data { + int fifodepth; + int max_bpw; + bool unidir; +}; + +/** + * struct pl022 - This is the private SSP driver data structure + * @adev: AMBA device model hookup + * @phybase: The physical memory where the SSP device resides + * @virtbase: The virtual memory where the SSP is mapped + * @master: SPI framework hookup + * @master_info: controller-specific data from machine setup + * @regs: SSP controller register's virtual address + * @pump_messages: Work struct for scheduling work to the workqueue + * @lock: spinlock to syncronise access to driver data + * @workqueue: a workqueue on which any spi_message request is queued + * @busy: workqueue is busy + * @run: workqueue is running + * @pump_transfers: Tasklet used in Interrupt Transfer mode + * @cur_msg: Pointer to current spi_message being processed + * @cur_transfer: Pointer to current spi_transfer + * @cur_chip: pointer to current clients chip(assigned from controller_state) + * @tx: current position in TX buffer to be read + * @tx_end: end position in TX buffer to be read + * @rx: current position in RX buffer to be written + * @rx_end: end position in RX buffer to be written + * @readingtype: the type of read currently going on + * @writingtype: the type or write currently going on + */ +struct pl022 { + struct amba_device *adev; + struct vendor_data *vendor; + resource_size_t phybase; + void __iomem *virtbase; + struct clk *clk; + struct spi_master *master; + struct pl022_ssp_controller *master_info; + /* Driver message queue */ + struct workqueue_struct *workqueue; + struct work_struct pump_messages; + spinlock_t queue_lock; + struct list_head queue; + int busy; + int run; + /* Message transfer pump */ + struct tasklet_struct pump_transfers; + struct spi_message *cur_msg; + struct spi_transfer *cur_transfer; + struct chip_data *cur_chip; + void *tx; + void *tx_end; + void *rx; + void *rx_end; + enum ssp_reading read; + enum ssp_writing write; +}; + +/** + * struct chip_data - To maintain runtime state of SSP for each client chip + * @cr0: Value of control register CR0 of SSP + * @cr1: Value of control register CR1 of SSP + * @dmacr: Value of DMA control Register of SSP + * @cpsr: Value of Clock prescale register + * @n_bytes: how many bytes(power of 2) reqd for a given data width of client + * @enable_dma: Whether to enable DMA or not + * @write: function ptr to be used to write when doing xfer for this chip + * @read: function ptr to be used to read when doing xfer for this chip + * @cs_control: chip select callback provided by chip + * @xfer_type: polling/interrupt/DMA + * + * Runtime state of the SSP controller, maintained per chip, + * This would be set according to the current message that would be served + */ +struct chip_data { + u16 cr0; + u16 cr1; + u16 dmacr; + u16 cpsr; + u8 n_bytes; + u8 enable_dma:1; + enum ssp_reading read; + enum ssp_writing write; + void (*cs_control) (u32 command); + int xfer_type; +}; + +/** + * null_cs_control - Dummy chip select function + * @command: select/delect the chip + * + * If no chip select function is provided by client this is used as dummy + * chip select + */ +static void null_cs_control(u32 command) +{ + pr_debug("pl022: dummy chip select control, CS=0x%x\n", command); +} + +/** + * giveback - current spi_message is over, schedule next message and call + * callback of this message. Assumes that caller already + * set message->status; dma and pio irqs are blocked + * @pl022: SSP driver private data structure + */ +static void giveback(struct pl022 *pl022) +{ + struct spi_transfer *last_transfer; + unsigned long flags; + struct spi_message *msg; + void (*curr_cs_control) (u32 command); + + /* + * This local reference to the chip select function + * is needed because we set curr_chip to NULL + * as a step toward termininating the message. + */ + curr_cs_control = pl022->cur_chip->cs_control; + spin_lock_irqsave(&pl022->queue_lock, flags); + msg = pl022->cur_msg; + pl022->cur_msg = NULL; + pl022->cur_transfer = NULL; + pl022->cur_chip = NULL; + queue_work(pl022->workqueue, &pl022->pump_messages); + spin_unlock_irqrestore(&pl022->queue_lock, flags); + + last_transfer = list_entry(msg->transfers.prev, + struct spi_transfer, + transfer_list); + + /* Delay if requested before any change in chip select */ + if (last_transfer->delay_usecs) + /* + * FIXME: This runs in interrupt context. + * Is this really smart? + */ + udelay(last_transfer->delay_usecs); + + /* + * Drop chip select UNLESS cs_change is true or we are returning + * a message with an error, or next message is for another chip + */ + if (!last_transfer->cs_change) + curr_cs_control(SSP_CHIP_DESELECT); + else { + struct spi_message *next_msg; + + /* Holding of cs was hinted, but we need to make sure + * the next message is for the same chip. Don't waste + * time with the following tests unless this was hinted. + * + * We cannot postpone this until pump_messages, because + * after calling msg->complete (below) the driver that + * sent the current message could be unloaded, which + * could invalidate the cs_control() callback... + */ + + /* get a pointer to the next message, if any */ + spin_lock_irqsave(&pl022->queue_lock, flags); + if (list_empty(&pl022->queue)) + next_msg = NULL; + else + next_msg = list_entry(pl022->queue.next, + struct spi_message, queue); + spin_unlock_irqrestore(&pl022->queue_lock, flags); + + /* see if the next and current messages point + * to the same chip + */ + if (next_msg && next_msg->spi != msg->spi) + next_msg = NULL; + if (!next_msg || msg->state == STATE_ERROR) + curr_cs_control(SSP_CHIP_DESELECT); + } + msg->state = NULL; + if (msg->complete) + msg->complete(msg->context); + /* This message is completed, so let's turn off the clock! */ + clk_disable(pl022->clk); +} + +/** + * flush - flush the FIFO to reach a clean state + * @pl022: SSP driver private data structure + */ +static int flush(struct pl022 *pl022) +{ + unsigned long limit = loops_per_jiffy << 1; + + dev_dbg(&pl022->adev->dev, "flush\n"); + do { + while (readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RNE) + readw(SSP_DR(pl022->virtbase)); + } while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_BSY) && limit--); + return limit; +} + +/** + * restore_state - Load configuration of current chip + * @pl022: SSP driver private data structure + */ +static void restore_state(struct pl022 *pl022) +{ + struct chip_data *chip = pl022->cur_chip; + + writew(chip->cr0, SSP_CR0(pl022->virtbase)); + writew(chip->cr1, SSP_CR1(pl022->virtbase)); + writew(chip->dmacr, SSP_DMACR(pl022->virtbase)); + writew(chip->cpsr, SSP_CPSR(pl022->virtbase)); + writew(DISABLE_ALL_INTERRUPTS, SSP_IMSC(pl022->virtbase)); + writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase)); +} + +/** + * load_ssp_default_config - Load default configuration for SSP + * @pl022: SSP driver private data structure + */ + +/* + * Default SSP Register Values + */ +#define DEFAULT_SSP_REG_CR0 ( \ + GEN_MASK_BITS(SSP_DATA_BITS_12, SSP_CR0_MASK_DSS, 0) | \ + GEN_MASK_BITS(SSP_MICROWIRE_CHANNEL_FULL_DUPLEX, SSP_CR0_MASK_HALFDUP, 5) | \ + GEN_MASK_BITS(SSP_CLK_POL_IDLE_LOW, SSP_CR0_MASK_SPO, 6) | \ + GEN_MASK_BITS(SSP_CLK_FALLING_EDGE, SSP_CR0_MASK_SPH, 7) | \ + GEN_MASK_BITS(NMDK_SSP_DEFAULT_CLKRATE, SSP_CR0_MASK_SCR, 8) | \ + GEN_MASK_BITS(SSP_BITS_8, SSP_CR0_MASK_CSS, 16) | \ + GEN_MASK_BITS(SSP_INTERFACE_MOTOROLA_SPI, SSP_CR0_MASK_FRF, 21) \ +) + +#define DEFAULT_SSP_REG_CR1 ( \ + GEN_MASK_BITS(LOOPBACK_DISABLED, SSP_CR1_MASK_LBM, 0) | \ + GEN_MASK_BITS(SSP_DISABLED, SSP_CR1_MASK_SSE, 1) | \ + GEN_MASK_BITS(SSP_MASTER, SSP_CR1_MASK_MS, 2) | \ + GEN_MASK_BITS(DO_NOT_DRIVE_TX, SSP_CR1_MASK_SOD, 3) | \ + GEN_MASK_BITS(SSP_RX_MSB, SSP_CR1_MASK_RENDN, 4) | \ + GEN_MASK_BITS(SSP_TX_MSB, SSP_CR1_MASK_TENDN, 5) | \ + GEN_MASK_BITS(SSP_MWIRE_WAIT_ZERO, SSP_CR1_MASK_MWAIT, 6) |\ + GEN_MASK_BITS(SSP_RX_1_OR_MORE_ELEM, SSP_CR1_MASK_RXIFLSEL, 7) | \ + GEN_MASK_BITS(SSP_TX_1_OR_MORE_EMPTY_LOC, SSP_CR1_MASK_TXIFLSEL, 10) \ +) + +#define DEFAULT_SSP_REG_CPSR ( \ + GEN_MASK_BITS(NMDK_SSP_DEFAULT_PRESCALE, SSP_CPSR_MASK_CPSDVSR, 0) \ +) + +#define DEFAULT_SSP_REG_DMACR (\ + GEN_MASK_BITS(SSP_DMA_DISABLED, SSP_DMACR_MASK_RXDMAE, 0) | \ + GEN_MASK_BITS(SSP_DMA_DISABLED, SSP_DMACR_MASK_TXDMAE, 1) \ +) + + +static void load_ssp_default_config(struct pl022 *pl022) +{ + writew(DEFAULT_SSP_REG_CR0, SSP_CR0(pl022->virtbase)); + writew(DEFAULT_SSP_REG_CR1, SSP_CR1(pl022->virtbase)); + writew(DEFAULT_SSP_REG_DMACR, SSP_DMACR(pl022->virtbase)); + writew(DEFAULT_SSP_REG_CPSR, SSP_CPSR(pl022->virtbase)); + writew(DISABLE_ALL_INTERRUPTS, SSP_IMSC(pl022->virtbase)); + writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase)); +} + +/** + * This will write to TX and read from RX according to the parameters + * set in pl022. + */ +static void readwriter(struct pl022 *pl022) +{ + + /* + * The FIFO depth is different inbetween primecell variants. + * I believe filling in too much in the FIFO might cause + * errons in 8bit wide transfers on ARM variants (just 8 words + * FIFO, means only 8x8 = 64 bits in FIFO) at least. + * + * FIXME: currently we have no logic to account for this. + * perhaps there is even something broken in HW regarding + * 8bit transfers (it doesn't fail on 16bit) so this needs + * more investigation... + */ + dev_dbg(&pl022->adev->dev, + "%s, rx: %p, rxend: %p, tx: %p, txend: %p\n", + __func__, pl022->rx, pl022->rx_end, pl022->tx, pl022->tx_end); + + /* Read as much as you can */ + while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RNE) + && (pl022->rx < pl022->rx_end)) { + switch (pl022->read) { + case READING_NULL: + readw(SSP_DR(pl022->virtbase)); + break; + case READING_U8: + *(u8 *) (pl022->rx) = + readw(SSP_DR(pl022->virtbase)) & 0xFFU; + break; + case READING_U16: + *(u16 *) (pl022->rx) = + (u16) readw(SSP_DR(pl022->virtbase)); + break; + case READING_U32: + *(u32 *) (pl022->rx) = + readl(SSP_DR(pl022->virtbase)); + break; + } + pl022->rx += (pl022->cur_chip->n_bytes); + } + /* + * Write as much as you can, while keeping an eye on the RX FIFO! + */ + while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_TNF) + && (pl022->tx < pl022->tx_end)) { + switch (pl022->write) { + case WRITING_NULL: + writew(0x0, SSP_DR(pl022->virtbase)); + break; + case WRITING_U8: + writew(*(u8 *) (pl022->tx), SSP_DR(pl022->virtbase)); + break; + case WRITING_U16: + writew((*(u16 *) (pl022->tx)), SSP_DR(pl022->virtbase)); + break; + case WRITING_U32: + writel(*(u32 *) (pl022->tx), SSP_DR(pl022->virtbase)); + break; + } + pl022->tx += (pl022->cur_chip->n_bytes); + /* + * This inner reader takes care of things appearing in the RX + * FIFO as we're transmitting. This will happen a lot since the + * clock starts running when you put things into the TX FIFO, + * and then things are continously clocked into the RX FIFO. + */ + while ((readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RNE) + && (pl022->rx < pl022->rx_end)) { + switch (pl022->read) { + case READING_NULL: + readw(SSP_DR(pl022->virtbase)); + break; + case READING_U8: + *(u8 *) (pl022->rx) = + readw(SSP_DR(pl022->virtbase)) & 0xFFU; + break; + case READING_U16: + *(u16 *) (pl022->rx) = + (u16) readw(SSP_DR(pl022->virtbase)); + break; + case READING_U32: + *(u32 *) (pl022->rx) = + readl(SSP_DR(pl022->virtbase)); + break; + } + pl022->rx += (pl022->cur_chip->n_bytes); + } + } + /* + * When we exit here the TX FIFO should be full and the RX FIFO + * should be empty + */ +} + + +/** + * next_transfer - Move to the Next transfer in the current spi message + * @pl022: SSP driver private data structure + * + * This function moves though the linked list of spi transfers in the + * current spi message and returns with the state of current spi + * message i.e whether its last transfer is done(STATE_DONE) or + * Next transfer is ready(STATE_RUNNING) + */ +static void *next_transfer(struct pl022 *pl022) +{ + struct spi_message *msg = pl022->cur_msg; + struct spi_transfer *trans = pl022->cur_transfer; + + /* Move to next transfer */ + if (trans->transfer_list.next != &msg->transfers) { + pl022->cur_transfer = + list_entry(trans->transfer_list.next, + struct spi_transfer, transfer_list); + return STATE_RUNNING; + } + return STATE_DONE; +} +/** + * pl022_interrupt_handler - Interrupt handler for SSP controller + * + * This function handles interrupts generated for an interrupt based transfer. + * If a receive overrun (ROR) interrupt is there then we disable SSP, flag the + * current message's state as STATE_ERROR and schedule the tasklet + * pump_transfers which will do the postprocessing of the current message by + * calling giveback(). Otherwise it reads data from RX FIFO till there is no + * more data, and writes data in TX FIFO till it is not full. If we complete + * the transfer we move to the next transfer and schedule the tasklet. + */ +static irqreturn_t pl022_interrupt_handler(int irq, void *dev_id) +{ + struct pl022 *pl022 = dev_id; + struct spi_message *msg = pl022->cur_msg; + u16 irq_status = 0; + u16 flag = 0; + + if (unlikely(!msg)) { + dev_err(&pl022->adev->dev, + "bad message state in interrupt handler"); + /* Never fail */ + return IRQ_HANDLED; + } + + /* Read the Interrupt Status Register */ + irq_status = readw(SSP_MIS(pl022->virtbase)); + + if (unlikely(!irq_status)) + return IRQ_NONE; + + /* This handles the error code interrupts */ + if (unlikely(irq_status & SSP_MIS_MASK_RORMIS)) { + /* + * Overrun interrupt - bail out since our Data has been + * corrupted + */ + dev_err(&pl022->adev->dev, + "FIFO overrun\n"); + if (readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_RFF) + dev_err(&pl022->adev->dev, + "RXFIFO is full\n"); + if (readw(SSP_SR(pl022->virtbase)) & SSP_SR_MASK_TNF) + dev_err(&pl022->adev->dev, + "TXFIFO is full\n"); + + /* + * Disable and clear interrupts, disable SSP, + * mark message with bad status so it can be + * retried. + */ + writew(DISABLE_ALL_INTERRUPTS, + SSP_IMSC(pl022->virtbase)); + writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase)); + writew((readw(SSP_CR1(pl022->virtbase)) & + (~SSP_CR1_MASK_SSE)), SSP_CR1(pl022->virtbase)); + msg->state = STATE_ERROR; + + /* Schedule message queue handler */ + tasklet_schedule(&pl022->pump_transfers); + return IRQ_HANDLED; + } + + readwriter(pl022); + + if ((pl022->tx == pl022->tx_end) && (flag == 0)) { + flag = 1; + /* Disable Transmit interrupt */ + writew(readw(SSP_IMSC(pl022->virtbase)) & + (~SSP_IMSC_MASK_TXIM), + SSP_IMSC(pl022->virtbase)); + } + + /* + * Since all transactions must write as much as shall be read, + * we can conclude the entire transaction once RX is complete. + * At this point, all TX will always be finished. + */ + if (pl022->rx >= pl022->rx_end) { + writew(DISABLE_ALL_INTERRUPTS, + SSP_IMSC(pl022->virtbase)); + writew(CLEAR_ALL_INTERRUPTS, SSP_ICR(pl022->virtbase)); + if (unlikely(pl022->rx > pl022->rx_end)) { + dev_warn(&pl022->adev->dev, "read %u surplus " + "bytes (did you request an odd " + "number of bytes on a 16bit bus?)\n", + (u32) (pl022->rx - pl022->rx_end)); + } + /* Update total bytes transfered */ + msg->actual_length += pl022->cur_transfer->len; + if (pl022->cur_transfer->cs_change) + pl022->cur_chip-> + cs_control(SSP_CHIP_DESELECT); + /* Move to next transfer */ + msg->state = next_transfer(pl022); + tasklet_schedule(&pl022->pump_transfers); + return IRQ_HANDLED; + } + + return IRQ_HANDLED; +} + +/** + * This sets up the pointers to memory for the next message to + * send out on the SPI bus. + */ +static int set_up_next_transfer(struct pl022 *pl022, + struct spi_transfer *transfer) +{ + int residue; + + /* Sanity check the message for this bus width */ + residue = pl022->cur_transfer->len % pl022->cur_chip->n_bytes; + if (unlikely(residue != 0)) { + dev_err(&pl022->adev->dev, + "message of %u bytes to transmit but the current " + "chip bus has a data width of %u bytes!\n", + pl022->cur_transfer->len, + pl022->cur_chip->n_bytes); + dev_err(&pl022->adev->dev, "skipping this message\n"); + return -EIO; + } + pl022->tx = (void *)transfer->tx_buf; + pl022->tx_end = pl022->tx + pl022->cur_transfer->len; + pl022->rx = (void *)transfer->rx_buf; + pl022->rx_end = pl022->rx + pl022->cur_transfer->len; + pl022->write = + pl022->tx ? pl022->cur_chip->write : WRITING_NULL; + pl022->read = pl022->rx ? pl022->cur_chip->read : READING_NULL; + return 0; +} + +/** + * pump_transfers - Tasklet function which schedules next interrupt transfer + * when running in interrupt transfer mode. + * @data: SSP driver private data structure + * + */ +static void pump_transfers(unsigned long data) +{ + struct pl022 *pl022 = (struct pl022 *) data; + struct spi_message *message = NULL; + struct spi_transfer *transfer = NULL; + struct spi_transfer *previous = NULL; + + /* Get current state information */ + message = pl022->cur_msg; + transfer = pl022->cur_transfer; + + /* Handle for abort */ + if (message->state == STATE_ERROR) { + message->status = -EIO; + giveback(pl022); + return; + } + + /* Handle end of message */ + if (message->state == STATE_DONE) { + message->status = 0; + giveback(pl022); + return; + } + + /* Delay if requested at end of transfer before CS change */ + if (message->state == STATE_RUNNING) { + previous = list_entry(transfer->transfer_list.prev, + struct spi_transfer, + transfer_list); + if (previous->delay_usecs) + /* + * FIXME: This runs in interrupt context. + * Is this really smart? + */ + udelay(previous->delay_usecs); + + /* Drop chip select only if cs_change is requested */ + if (previous->cs_change) + pl022->cur_chip->cs_control(SSP_CHIP_SELECT); + } else { + /* STATE_START */ + message->state = STATE_RUNNING; + } + + if (set_up_next_transfer(pl022, transfer)) { + message->state = STATE_ERROR; + message->status = -EIO; + giveback(pl022); + return; + } + /* Flush the FIFOs and let's go! */ + flush(pl022); + writew(ENABLE_ALL_INTERRUPTS, SSP_IMSC(pl022->virtbase)); +} + +/** + * NOT IMPLEMENTED + * configure_dma - It configures the DMA pipes for DMA transfers + * @data: SSP driver's private data structure + * + */ +static int configure_dma(void *data) +{ + struct pl022 *pl022 = data; + dev_dbg(&pl022->adev->dev, "configure DMA\n"); + return -ENOTSUPP; +} + +/** + * do_dma_transfer - It handles transfers of the current message + * if it is DMA xfer. + * NOT FULLY IMPLEMENTED + * @data: SSP driver's private data structure + */ +static void do_dma_transfer(void *data) +{ + struct pl022 *pl022 = data; + + if (configure_dma(data)) { + dev_dbg(&pl022->adev->dev, "configuration of DMA Failed!\n"); + goto err_config_dma; + } + + /* TODO: Implememt DMA setup of pipes here */ + + /* Enable target chip, set up transfer */ + pl022->cur_chip->cs_control(SSP_CHIP_SELECT); + if (set_up_next_transfer(pl022, pl022->cur_transfer)) { + /* Error path */ + pl022->cur_msg->state = STATE_ERROR; + pl022->cur_msg->status = -EIO; + giveback(pl022); + return; + } + /* Enable SSP */ + writew((readw(SSP_CR1(pl022->virtbase)) | SSP_CR1_MASK_SSE), + SSP_CR1(pl022->virtbase)); + + /* TODO: Enable the DMA transfer here */ + return; + + err_config_dma: + pl022->cur_msg->state = STATE_ERROR; + pl022->cur_msg->status = -EIO; + giveback(pl022); + return; +} + +static void do_interrupt_transfer(void *data) +{ + struct pl022 *pl022 = data; + + /* Enable target chip */ + pl022->cur_chip->cs_control(SSP_CHIP_SELECT); + if (set_up_next_transfer(pl022, pl022->cur_transfer)) { + /* Error path */ + pl022->cur_msg->state = STATE_ERROR; + pl022->cur_msg->status = -EIO; + giveback(pl022); + return; + } + /* Enable SSP, turn on interrupts */ + writew((readw(SSP_CR1(pl022->virtbase)) | SSP_CR1_MASK_SSE), + SSP_CR1(pl022->virtbase)); + writew(ENABLE_ALL_INTERRUPTS, SSP_IMSC(pl022->virtbase)); +} + +static void do_polling_transfer(void *data) +{ + struct pl022 *pl022 = data; + struct spi_message *message = NULL; + struct spi_transfer *transfer = NULL; + struct spi_transfer *previous = NULL; + struct chip_data *chip; + + chip = pl022->cur_chip; + message = pl022->cur_msg; + + while (message->state != STATE_DONE) { + /* Handle for abort */ + if (message->state == STATE_ERROR) + break; + transfer = pl022->cur_transfer; + + /* Delay if requested at end of transfer */ + if (message->state == STATE_RUNNING) { + previous = + list_entry(transfer->transfer_list.prev, + struct spi_transfer, transfer_list); + if (previous->delay_usecs) + udelay(previous->delay_usecs); + if (previous->cs_change) + pl022->cur_chip->cs_control(SSP_CHIP_SELECT); + } else { + /* STATE_START */ + message->state = STATE_RUNNING; + pl022->cur_chip->cs_control(SSP_CHIP_SELECT); + } + + /* Configuration Changing Per Transfer */ + if (set_up_next_transfer(pl022, transfer)) { + /* Error path */ + message->state = STATE_ERROR; + break; + } + /* Flush FIFOs and enable SSP */ + flush(pl022); + writew((readw(SSP_CR1(pl022->virtbase)) | SSP_CR1_MASK_SSE), + SSP_CR1(pl022->virtbase)); + + dev_dbg(&pl022->adev->dev, "POLLING TRANSFER ONGOING ... \n"); + /* FIXME: insert a timeout so we don't hang here indefinately */ + while (pl022->tx < pl022->tx_end || pl022->rx < pl022->rx_end) + readwriter(pl022); + + /* Update total byte transfered */ + message->actual_length += pl022->cur_transfer->len; + if (pl022->cur_transfer->cs_change) + pl022->cur_chip->cs_control(SSP_CHIP_DESELECT); + /* Move to next transfer */ + message->state = next_transfer(pl022); + } + + /* Handle end of message */ + if (message->state == STATE_DONE) + message->status = 0; + else + message->status = -EIO; + + giveback(pl022); + return; +} + +/** + * pump_messages - Workqueue function which processes spi message queue + * @data: pointer to private data of SSP driver + * + * This function checks if there is any spi message in the queue that + * needs processing and delegate control to appropriate function + * do_polling_transfer()/do_interrupt_transfer()/do_dma_transfer() + * based on the kind of the transfer + * + */ +static void pump_messages(struct work_struct *work) +{ + struct pl022 *pl022 = + container_of(work, struct pl022, pump_messages); + unsigned long flags; + + /* Lock queue and check for queue work */ + spin_lock_irqsave(&pl022->queue_lock, flags); + if (list_empty(&pl022->queue) || pl022->run == QUEUE_STOPPED) { + pl022->busy = 0; + spin_unlock_irqrestore(&pl022->queue_lock, flags); + return; + } + /* Make sure we are not already running a message */ + if (pl022->cur_msg) { + spin_unlock_irqrestore(&pl022->queue_lock, flags); + return; + } + /* Extract head of queue */ + pl022->cur_msg = + list_entry(pl022->queue.next, struct spi_message, queue); + + list_del_init(&pl022->cur_msg->queue); + pl022->busy = 1; + spin_unlock_irqrestore(&pl022->queue_lock, flags); + + /* Initial message state */ + pl022->cur_msg->state = STATE_START; + pl022->cur_transfer = list_entry(pl022->cur_msg->transfers.next, + struct spi_transfer, + transfer_list); + + /* Setup the SPI using the per chip configuration */ + pl022->cur_chip = spi_get_ctldata(pl022->cur_msg->spi); + /* + * We enable the clock here, then the clock will be disabled when + * giveback() is called in each method (poll/interrupt/DMA) + */ + clk_enable(pl022->clk); + restore_state(pl022); + flush(pl022); + + if (pl022->cur_chip->xfer_type == POLLING_TRANSFER) + do_polling_transfer(pl022); + else if (pl022->cur_chip->xfer_type == INTERRUPT_TRANSFER) + do_interrupt_transfer(pl022); + else + do_dma_transfer(pl022); +} + + +static int __init init_queue(struct pl022 *pl022) +{ + INIT_LIST_HEAD(&pl022->queue); + spin_lock_init(&pl022->queue_lock); + + pl022->run = QUEUE_STOPPED; + pl022->busy = 0; + + tasklet_init(&pl022->pump_transfers, + pump_transfers, (unsigned long)pl022); + + INIT_WORK(&pl022->pump_messages, pump_messages); + pl022->workqueue = create_singlethread_workqueue( + dev_name(pl022->master->dev.parent)); + if (pl022->workqueue == NULL) + return -EBUSY; + + return 0; +} + + +static int start_queue(struct pl022 *pl022) +{ + unsigned long flags; + + spin_lock_irqsave(&pl022->queue_lock, flags); + + if (pl022->run == QUEUE_RUNNING || pl022->busy) { + spin_unlock_irqrestore(&pl022->queue_lock, flags); + return -EBUSY; + } + + pl022->run = QUEUE_RUNNING; + pl022->cur_msg = NULL; + pl022->cur_transfer = NULL; + pl022->cur_chip = NULL; + spin_unlock_irqrestore(&pl022->queue_lock, flags); + + queue_work(pl022->workqueue, &pl022->pump_messages); + + return 0; +} + + +static int stop_queue(struct pl022 *pl022) +{ + unsigned long flags; + unsigned limit = 500; + int status = 0; + + spin_lock_irqsave(&pl022->queue_lock, flags); + + /* This is a bit lame, but is optimized for the common execution path. + * A wait_queue on the pl022->busy could be used, but then the common + * execution path (pump_messages) would be required to call wake_up or + * friends on every SPI message. Do this instead */ + pl022->run = QUEUE_STOPPED; + while (!list_empty(&pl022->queue) && pl022->busy && limit--) { + spin_unlock_irqrestore(&pl022->queue_lock, flags); + msleep(10); + spin_lock_irqsave(&pl022->queue_lock, flags); + } + + if (!list_empty(&pl022->queue) || pl022->busy) + status = -EBUSY; + + spin_unlock_irqrestore(&pl022->queue_lock, flags); + + return status; +} + +static int destroy_queue(struct pl022 *pl022) +{ + int status; + + status = stop_queue(pl022); + /* we are unloading the module or failing to load (only two calls + * to this routine), and neither call can handle a return value. + * However, destroy_workqueue calls flush_workqueue, and that will + * block until all work is done. If the reason that stop_queue + * timed out is that the work will never finish, then it does no + * good to call destroy_workqueue, so return anyway. */ + if (status != 0) + return status; + + destroy_workqueue(pl022->workqueue); + + return 0; +} + +static int verify_controller_parameters(struct pl022 *pl022, + struct pl022_config_chip *chip_info) +{ + if ((chip_info->lbm != LOOPBACK_ENABLED) + && (chip_info->lbm != LOOPBACK_DISABLED)) { + dev_err(chip_info->dev, + "loopback Mode is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->iface < SSP_INTERFACE_MOTOROLA_SPI) + || (chip_info->iface > SSP_INTERFACE_UNIDIRECTIONAL)) { + dev_err(chip_info->dev, + "interface is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->iface == SSP_INTERFACE_UNIDIRECTIONAL) && + (!pl022->vendor->unidir)) { + dev_err(chip_info->dev, + "unidirectional mode not supported in this " + "hardware version\n"); + return -EINVAL; + } + if ((chip_info->hierarchy != SSP_MASTER) + && (chip_info->hierarchy != SSP_SLAVE)) { + dev_err(chip_info->dev, + "hierarchy is configured incorrectly\n"); + return -EINVAL; + } + if (((chip_info->clk_freq).cpsdvsr < CPSDVR_MIN) + || ((chip_info->clk_freq).cpsdvsr > CPSDVR_MAX)) { + dev_err(chip_info->dev, + "cpsdvsr is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->endian_rx != SSP_RX_MSB) + && (chip_info->endian_rx != SSP_RX_LSB)) { + dev_err(chip_info->dev, + "RX FIFO endianess is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->endian_tx != SSP_TX_MSB) + && (chip_info->endian_tx != SSP_TX_LSB)) { + dev_err(chip_info->dev, + "TX FIFO endianess is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->data_size < SSP_DATA_BITS_4) + || (chip_info->data_size > SSP_DATA_BITS_32)) { + dev_err(chip_info->dev, + "DATA Size is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->com_mode != INTERRUPT_TRANSFER) + && (chip_info->com_mode != DMA_TRANSFER) + && (chip_info->com_mode != POLLING_TRANSFER)) { + dev_err(chip_info->dev, + "Communication mode is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->rx_lev_trig < SSP_RX_1_OR_MORE_ELEM) + || (chip_info->rx_lev_trig > SSP_RX_32_OR_MORE_ELEM)) { + dev_err(chip_info->dev, + "RX FIFO Trigger Level is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->tx_lev_trig < SSP_TX_1_OR_MORE_EMPTY_LOC) + || (chip_info->tx_lev_trig > SSP_TX_32_OR_MORE_EMPTY_LOC)) { + dev_err(chip_info->dev, + "TX FIFO Trigger Level is configured incorrectly\n"); + return -EINVAL; + } + if (chip_info->iface == SSP_INTERFACE_MOTOROLA_SPI) { + if ((chip_info->clk_phase != SSP_CLK_RISING_EDGE) + && (chip_info->clk_phase != SSP_CLK_FALLING_EDGE)) { + dev_err(chip_info->dev, + "Clock Phase is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->clk_pol != SSP_CLK_POL_IDLE_LOW) + && (chip_info->clk_pol != SSP_CLK_POL_IDLE_HIGH)) { + dev_err(chip_info->dev, + "Clock Polarity is configured incorrectly\n"); + return -EINVAL; + } + } + if (chip_info->iface == SSP_INTERFACE_NATIONAL_MICROWIRE) { + if ((chip_info->ctrl_len < SSP_BITS_4) + || (chip_info->ctrl_len > SSP_BITS_32)) { + dev_err(chip_info->dev, + "CTRL LEN is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->wait_state != SSP_MWIRE_WAIT_ZERO) + && (chip_info->wait_state != SSP_MWIRE_WAIT_ONE)) { + dev_err(chip_info->dev, + "Wait State is configured incorrectly\n"); + return -EINVAL; + } + if ((chip_info->duplex != SSP_MICROWIRE_CHANNEL_FULL_DUPLEX) + && (chip_info->duplex != + SSP_MICROWIRE_CHANNEL_HALF_DUPLEX)) { + dev_err(chip_info->dev, + "DUPLEX is configured incorrectly\n"); + return -EINVAL; + } + } + if (chip_info->cs_control == NULL) { + dev_warn(chip_info->dev, + "Chip Select Function is NULL for this chip\n"); + chip_info->cs_control = null_cs_control; + } + return 0; +} + +/** + * pl022_transfer - transfer function registered to SPI master framework + * @spi: spi device which is requesting transfer + * @msg: spi message which is to handled is queued to driver queue + * + * This function is registered to the SPI framework for this SPI master + * controller. It will queue the spi_message in the queue of driver if + * the queue is not stopped and return. + */ +static int pl022_transfer(struct spi_device *spi, struct spi_message *msg) +{ + struct pl022 *pl022 = spi_master_get_devdata(spi->master); + unsigned long flags; + + spin_lock_irqsave(&pl022->queue_lock, flags); + + if (pl022->run == QUEUE_STOPPED) { + spin_unlock_irqrestore(&pl022->queue_lock, flags); + return -ESHUTDOWN; + } + msg->actual_length = 0; + msg->status = -EINPROGRESS; + msg->state = STATE_START; + + list_add_tail(&msg->queue, &pl022->queue); + if (pl022->run == QUEUE_RUNNING && !pl022->busy) + queue_work(pl022->workqueue, &pl022->pump_messages); + + spin_unlock_irqrestore(&pl022->queue_lock, flags); + return 0; +} + +static int calculate_effective_freq(struct pl022 *pl022, + int freq, + struct ssp_clock_params *clk_freq) +{ + /* Lets calculate the frequency parameters */ + u16 cpsdvsr = 2; + u16 scr = 0; + bool freq_found = false; + u32 rate; + u32 max_tclk; + u32 min_tclk; + + rate = clk_get_rate(pl022->clk); + /* cpsdvscr = 2 & scr 0 */ + max_tclk = (rate / (CPSDVR_MIN * (1 + SCR_MIN))); + /* cpsdvsr = 254 & scr = 255 */ + min_tclk = (rate / (CPSDVR_MAX * (1 + SCR_MAX))); + + if ((freq <= max_tclk) && (freq >= min_tclk)) { + while (cpsdvsr <= CPSDVR_MAX && !freq_found) { + while (scr <= SCR_MAX && !freq_found) { + if ((rate / + (cpsdvsr * (1 + scr))) > freq) + scr += 1; + else { + /* + * This bool is made true when + * effective frequency >= + * target frequency is found + */ + freq_found = true; + if ((rate / + (cpsdvsr * (1 + scr))) != freq) { + if (scr == SCR_MIN) { + cpsdvsr -= 2; + scr = SCR_MAX; + } else + scr -= 1; + } + } + } + if (!freq_found) { + cpsdvsr += 2; + scr = SCR_MIN; + } + } + if (cpsdvsr != 0) { + dev_dbg(&pl022->adev->dev, + "SSP Effective Frequency is %u\n", + (rate / (cpsdvsr * (1 + scr)))); + clk_freq->cpsdvsr = (u8) (cpsdvsr & 0xFF); + clk_freq->scr = (u8) (scr & 0xFF); + dev_dbg(&pl022->adev->dev, + "SSP cpsdvsr = %d, scr = %d\n", + clk_freq->cpsdvsr, clk_freq->scr); + } + } else { + dev_err(&pl022->adev->dev, + "controller data is incorrect: out of range frequency"); + return -EINVAL; + } + return 0; +} + +/** + * NOT IMPLEMENTED + * process_dma_info - Processes the DMA info provided by client drivers + * @chip_info: chip info provided by client device + * @chip: Runtime state maintained by the SSP controller for each spi device + * + * This function processes and stores DMA config provided by client driver + * into the runtime state maintained by the SSP controller driver + */ +static int process_dma_info(struct pl022_config_chip *chip_info, + struct chip_data *chip) +{ + dev_err(chip_info->dev, + "cannot process DMA info, DMA not implemented!\n"); + return -ENOTSUPP; +} + +/** + * pl022_setup - setup function registered to SPI master framework + * @spi: spi device which is requesting setup + * + * This function is registered to the SPI framework for this SPI master + * controller. If it is the first time when setup is called by this device, + * this function will initialize the runtime state for this chip and save + * the same in the device structure. Else it will update the runtime info + * with the updated chip info. Nothing is really being written to the + * controller hardware here, that is not done until the actual transfer + * commence. + */ + +/* FIXME: JUST GUESSING the spi->mode bits understood by this driver */ +#define MODEBITS (SPI_CPOL | SPI_CPHA | SPI_CS_HIGH \ + | SPI_LSB_FIRST | SPI_LOOP) + +static int pl022_setup(struct spi_device *spi) +{ + struct pl022_config_chip *chip_info; + struct chip_data *chip; + int status = 0; + struct pl022 *pl022 = spi_master_get_devdata(spi->master); + + if (spi->mode & ~MODEBITS) { + dev_dbg(&spi->dev, "unsupported mode bits %x\n", + spi->mode & ~MODEBITS); + return -EINVAL; + } + + if (!spi->max_speed_hz) + return -EINVAL; + + /* Get controller_state if one is supplied */ + chip = spi_get_ctldata(spi); + + if (chip == NULL) { + chip = kzalloc(sizeof(struct chip_data), GFP_KERNEL); + if (!chip) { + dev_err(&spi->dev, + "cannot allocate controller state\n"); + return -ENOMEM; + } + dev_dbg(&spi->dev, + "allocated memory for controller's runtime state\n"); + } + + /* Get controller data if one is supplied */ + chip_info = spi->controller_data; + + if (chip_info == NULL) { + /* spi_board_info.controller_data not is supplied */ + dev_dbg(&spi->dev, + "using default controller_data settings\n"); + + chip_info = + kzalloc(sizeof(struct pl022_config_chip), GFP_KERNEL); + + if (!chip_info) { + dev_err(&spi->dev, + "cannot allocate controller data\n"); + status = -ENOMEM; + goto err_first_setup; + } + + dev_dbg(&spi->dev, "allocated memory for controller data\n"); + + /* Pointer back to the SPI device */ + chip_info->dev = &spi->dev; + /* + * Set controller data default values: + * Polling is supported by default + */ + chip_info->lbm = LOOPBACK_DISABLED; + chip_info->com_mode = POLLING_TRANSFER; + chip_info->iface = SSP_INTERFACE_MOTOROLA_SPI; + chip_info->hierarchy = SSP_SLAVE; + chip_info->slave_tx_disable = DO_NOT_DRIVE_TX; + chip_info->endian_tx = SSP_TX_LSB; + chip_info->endian_rx = SSP_RX_LSB; + chip_info->data_size = SSP_DATA_BITS_12; + chip_info->rx_lev_trig = SSP_RX_1_OR_MORE_ELEM; + chip_info->tx_lev_trig = SSP_TX_1_OR_MORE_EMPTY_LOC; + chip_info->clk_phase = SSP_CLK_FALLING_EDGE; + chip_info->clk_pol = SSP_CLK_POL_IDLE_LOW; + chip_info->ctrl_len = SSP_BITS_8; + chip_info->wait_state = SSP_MWIRE_WAIT_ZERO; + chip_info->duplex = SSP_MICROWIRE_CHANNEL_FULL_DUPLEX; + chip_info->cs_control = null_cs_control; + } else { + dev_dbg(&spi->dev, + "using user supplied controller_data settings\n"); + } + + /* + * We can override with custom divisors, else we use the board + * frequency setting + */ + if ((0 == chip_info->clk_freq.cpsdvsr) + && (0 == chip_info->clk_freq.scr)) { + status = calculate_effective_freq(pl022, + spi->max_speed_hz, + &chip_info->clk_freq); + if (status < 0) + goto err_config_params; + } else { + if ((chip_info->clk_freq.cpsdvsr % 2) != 0) + chip_info->clk_freq.cpsdvsr = + chip_info->clk_freq.cpsdvsr - 1; + } + status = verify_controller_parameters(pl022, chip_info); + if (status) { + dev_err(&spi->dev, "controller data is incorrect"); + goto err_config_params; + } + /* Now set controller state based on controller data */ + chip->xfer_type = chip_info->com_mode; + chip->cs_control = chip_info->cs_control; + + if (chip_info->data_size <= 8) { + dev_dbg(&spi->dev, "1 <= n <=8 bits per word\n"); + chip->n_bytes = 1; + chip->read = READING_U8; + chip->write = WRITING_U8; + } else if (chip_info->data_size <= 16) { + dev_dbg(&spi->dev, "9 <= n <= 16 bits per word\n"); + chip->n_bytes = 2; + chip->read = READING_U16; + chip->write = WRITING_U16; + } else { + if (pl022->vendor->max_bpw >= 32) { + dev_dbg(&spi->dev, "17 <= n <= 32 bits per word\n"); + chip->n_bytes = 4; + chip->read = READING_U32; + chip->write = WRITING_U32; + } else { + dev_err(&spi->dev, + "illegal data size for this controller!\n"); + dev_err(&spi->dev, + "a standard pl022 can only handle " + "1 <= n <= 16 bit words\n"); + goto err_config_params; + } + } + + /* Now Initialize all register settings required for this chip */ + chip->cr0 = 0; + chip->cr1 = 0; + chip->dmacr = 0; + chip->cpsr = 0; + if ((chip_info->com_mode == DMA_TRANSFER) + && ((pl022->master_info)->enable_dma)) { + chip->enable_dma = 1; + dev_dbg(&spi->dev, "DMA mode set in controller state\n"); + status = process_dma_info(chip_info, chip); + if (status < 0) + goto err_config_params; + SSP_WRITE_BITS(chip->dmacr, SSP_DMA_ENABLED, + SSP_DMACR_MASK_RXDMAE, 0); + SSP_WRITE_BITS(chip->dmacr, SSP_DMA_ENABLED, + SSP_DMACR_MASK_TXDMAE, 1); + } else { + chip->enable_dma = 0; + dev_dbg(&spi->dev, "DMA mode NOT set in controller state\n"); + SSP_WRITE_BITS(chip->dmacr, SSP_DMA_DISABLED, + SSP_DMACR_MASK_RXDMAE, 0); + SSP_WRITE_BITS(chip->dmacr, SSP_DMA_DISABLED, + SSP_DMACR_MASK_TXDMAE, 1); + } + + chip->cpsr = chip_info->clk_freq.cpsdvsr; + + SSP_WRITE_BITS(chip->cr0, chip_info->data_size, SSP_CR0_MASK_DSS, 0); + SSP_WRITE_BITS(chip->cr0, chip_info->duplex, SSP_CR0_MASK_HALFDUP, 5); + SSP_WRITE_BITS(chip->cr0, chip_info->clk_pol, SSP_CR0_MASK_SPO, 6); + SSP_WRITE_BITS(chip->cr0, chip_info->clk_phase, SSP_CR0_MASK_SPH, 7); + SSP_WRITE_BITS(chip->cr0, chip_info->clk_freq.scr, SSP_CR0_MASK_SCR, 8); + SSP_WRITE_BITS(chip->cr0, chip_info->ctrl_len, SSP_CR0_MASK_CSS, 16); + SSP_WRITE_BITS(chip->cr0, chip_info->iface, SSP_CR0_MASK_FRF, 21); + SSP_WRITE_BITS(chip->cr1, chip_info->lbm, SSP_CR1_MASK_LBM, 0); + SSP_WRITE_BITS(chip->cr1, SSP_DISABLED, SSP_CR1_MASK_SSE, 1); + SSP_WRITE_BITS(chip->cr1, chip_info->hierarchy, SSP_CR1_MASK_MS, 2); + SSP_WRITE_BITS(chip->cr1, chip_info->slave_tx_disable, SSP_CR1_MASK_SOD, 3); + SSP_WRITE_BITS(chip->cr1, chip_info->endian_rx, SSP_CR1_MASK_RENDN, 4); + SSP_WRITE_BITS(chip->cr1, chip_info->endian_tx, SSP_CR1_MASK_TENDN, 5); + SSP_WRITE_BITS(chip->cr1, chip_info->wait_state, SSP_CR1_MASK_MWAIT, 6); + SSP_WRITE_BITS(chip->cr1, chip_info->rx_lev_trig, SSP_CR1_MASK_RXIFLSEL, 7); + SSP_WRITE_BITS(chip->cr1, chip_info->tx_lev_trig, SSP_CR1_MASK_TXIFLSEL, 10); + + /* Save controller_state */ + spi_set_ctldata(spi, chip); + return status; + err_config_params: + err_first_setup: + kfree(chip); + return status; +} + +/** + * pl022_cleanup - cleanup function registered to SPI master framework + * @spi: spi device which is requesting cleanup + * + * This function is registered to the SPI framework for this SPI master + * controller. It will free the runtime state of chip. + */ +static void pl022_cleanup(struct spi_device *spi) +{ + struct chip_data *chip = spi_get_ctldata(spi); + + spi_set_ctldata(spi, NULL); + kfree(chip); +} + + +static int __init +pl022_probe(struct amba_device *adev, struct amba_id *id) +{ + struct device *dev = &adev->dev; + struct pl022_ssp_controller *platform_info = adev->dev.platform_data; + struct spi_master *master; + struct pl022 *pl022 = NULL; /*Data for this driver */ + int status = 0; + + dev_info(&adev->dev, + "ARM PL022 driver, device ID: 0x%08x\n", adev->periphid); + if (platform_info == NULL) { + dev_err(&adev->dev, "probe - no platform data supplied\n"); + status = -ENODEV; + goto err_no_pdata; + } + + /* Allocate master with space for data */ + master = spi_alloc_master(dev, sizeof(struct pl022)); + if (master == NULL) { + dev_err(&adev->dev, "probe - cannot alloc SPI master\n"); + status = -ENOMEM; + goto err_no_master; + } + + pl022 = spi_master_get_devdata(master); + pl022->master = master; + pl022->master_info = platform_info; + pl022->adev = adev; + pl022->vendor = id->data; + + /* + * Bus Number Which has been Assigned to this SSP controller + * on this board + */ + master->bus_num = platform_info->bus_id; + master->num_chipselect = platform_info->num_chipselect; + master->cleanup = pl022_cleanup; + master->setup = pl022_setup; + master->transfer = pl022_transfer; + + dev_dbg(&adev->dev, "BUSNO: %d\n", master->bus_num); + + status = amba_request_regions(adev, NULL); + if (status) + goto err_no_ioregion; + + pl022->virtbase = ioremap(adev->res.start, resource_size(&adev->res)); + if (pl022->virtbase == NULL) { + status = -ENOMEM; + goto err_no_ioremap; + } + printk(KERN_INFO "pl022: mapped registers from 0x%08x to %p\n", + adev->res.start, pl022->virtbase); + + pl022->clk = clk_get(&adev->dev, NULL); + if (IS_ERR(pl022->clk)) { + status = PTR_ERR(pl022->clk); + dev_err(&adev->dev, "could not retrieve SSP/SPI bus clock\n"); + goto err_no_clk; + } + + /* Disable SSP */ + clk_enable(pl022->clk); + writew((readw(SSP_CR1(pl022->virtbase)) & (~SSP_CR1_MASK_SSE)), + SSP_CR1(pl022->virtbase)); + load_ssp_default_config(pl022); + clk_disable(pl022->clk); + + status = request_irq(adev->irq[0], pl022_interrupt_handler, 0, "pl022", + pl022); + if (status < 0) { + dev_err(&adev->dev, "probe - cannot get IRQ (%d)\n", status); + goto err_no_irq; + } + /* Initialize and start queue */ + status = init_queue(pl022); + if (status != 0) { + dev_err(&adev->dev, "probe - problem initializing queue\n"); + goto err_init_queue; + } + status = start_queue(pl022); + if (status != 0) { + dev_err(&adev->dev, "probe - problem starting queue\n"); + goto err_start_queue; + } + /* Register with the SPI framework */ + amba_set_drvdata(adev, pl022); + status = spi_register_master(master); + if (status != 0) { + dev_err(&adev->dev, + "probe - problem registering spi master\n"); + goto err_spi_register; + } + dev_dbg(dev, "probe succeded\n"); + return 0; + + err_spi_register: + err_start_queue: + err_init_queue: + destroy_queue(pl022); + free_irq(adev->irq[0], pl022); + err_no_irq: + clk_put(pl022->clk); + err_no_clk: + iounmap(pl022->virtbase); + err_no_ioremap: + amba_release_regions(adev); + err_no_ioregion: + spi_master_put(master); + err_no_master: + err_no_pdata: + return status; +} + +static int __exit +pl022_remove(struct amba_device *adev) +{ + struct pl022 *pl022 = amba_get_drvdata(adev); + int status = 0; + if (!pl022) + return 0; + + /* Remove the queue */ + status = destroy_queue(pl022); + if (status != 0) { + dev_err(&adev->dev, + "queue remove failed (%d)\n", status); + return status; + } + load_ssp_default_config(pl022); + free_irq(adev->irq[0], pl022); + clk_disable(pl022->clk); + clk_put(pl022->clk); + iounmap(pl022->virtbase); + amba_release_regions(adev); + tasklet_disable(&pl022->pump_transfers); + spi_unregister_master(pl022->master); + spi_master_put(pl022->master); + amba_set_drvdata(adev, NULL); + dev_dbg(&adev->dev, "remove succeded\n"); + return 0; +} + +#ifdef CONFIG_PM +static int pl022_suspend(struct amba_device *adev, pm_message_t state) +{ + struct pl022 *pl022 = amba_get_drvdata(adev); + int status = 0; + + status = stop_queue(pl022); + if (status) { + dev_warn(&adev->dev, "suspend cannot stop queue\n"); + return status; + } + + clk_enable(pl022->clk); + load_ssp_default_config(pl022); + clk_disable(pl022->clk); + dev_dbg(&adev->dev, "suspended\n"); + return 0; +} + +static int pl022_resume(struct amba_device *adev) +{ + struct pl022 *pl022 = amba_get_drvdata(adev); + int status = 0; + + /* Start the queue running */ + status = start_queue(pl022); + if (status) + dev_err(&adev->dev, "problem starting queue (%d)\n", status); + else + dev_dbg(&adev->dev, "resumed\n"); + + return status; +} +#else +#define pl022_suspend NULL +#define pl022_resume NULL +#endif /* CONFIG_PM */ + +static struct vendor_data vendor_arm = { + .fifodepth = 8, + .max_bpw = 16, + .unidir = false, +}; + + +static struct vendor_data vendor_st = { + .fifodepth = 32, + .max_bpw = 32, + .unidir = false, +}; + +static struct amba_id pl022_ids[] = { + { + /* + * ARM PL022 variant, this has a 16bit wide + * and 8 locations deep TX/RX FIFO + */ + .id = 0x00041022, + .mask = 0x000fffff, + .data = &vendor_arm, + }, + { + /* + * ST Micro derivative, this has 32bit wide + * and 32 locations deep TX/RX FIFO + */ + .id = 0x00108022, + .mask = 0xffffffff, + .data = &vendor_st, + }, + { 0, 0 }, +}; + +static struct amba_driver pl022_driver = { + .drv = { + .name = "ssp-pl022", + }, + .id_table = pl022_ids, + .probe = pl022_probe, + .remove = __exit_p(pl022_remove), + .suspend = pl022_suspend, + .resume = pl022_resume, +}; + + +static int __init pl022_init(void) +{ + return amba_driver_register(&pl022_driver); +} + +module_init(pl022_init); + +static void __exit pl022_exit(void) +{ + amba_driver_unregister(&pl022_driver); +} + +module_exit(pl022_exit); + +MODULE_AUTHOR("Linus Walleij "); +MODULE_DESCRIPTION("PL022 SSP Controller Driver"); +MODULE_LICENSE("GPL"); diff --git a/include/linux/amba/pl022.h b/include/linux/amba/pl022.h new file mode 100644 index 000000000000..dcad0ffd1755 --- /dev/null +++ b/include/linux/amba/pl022.h @@ -0,0 +1,264 @@ +/* + * include/linux/amba/pl022.h + * + * Copyright (C) 2008-2009 ST-Ericsson AB + * Copyright (C) 2006 STMicroelectronics Pvt. Ltd. + * + * Author: Linus Walleij + * + * Initial version inspired by: + * linux-2.6.17-rc3-mm1/drivers/spi/pxa2xx_spi.c + * Initial adoption to PL022 by: + * Sachin Verma + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef _SSP_PL022_H +#define _SSP_PL022_H + +#include + +/** + * whether SSP is in loopback mode or not + */ +enum ssp_loopback { + LOOPBACK_DISABLED, + LOOPBACK_ENABLED +}; + +/** + * enum ssp_interface - interfaces allowed for this SSP Controller + * @SSP_INTERFACE_MOTOROLA_SPI: Motorola Interface + * @SSP_INTERFACE_TI_SYNC_SERIAL: Texas Instrument Synchronous Serial + * interface + * @SSP_INTERFACE_NATIONAL_MICROWIRE: National Semiconductor Microwire + * interface + * @SSP_INTERFACE_UNIDIRECTIONAL: Unidirectional interface (STn8810 + * &STn8815 only) + */ +enum ssp_interface { + SSP_INTERFACE_MOTOROLA_SPI, + SSP_INTERFACE_TI_SYNC_SERIAL, + SSP_INTERFACE_NATIONAL_MICROWIRE, + SSP_INTERFACE_UNIDIRECTIONAL +}; + +/** + * enum ssp_hierarchy - whether SSP is configured as Master or Slave + */ +enum ssp_hierarchy { + SSP_MASTER, + SSP_SLAVE +}; + +/** + * enum ssp_clock_params - clock parameters, to set SSP clock at a + * desired freq + */ +struct ssp_clock_params { + u8 cpsdvsr; /* value from 2 to 254 (even only!) */ + u8 scr; /* value from 0 to 255 */ +}; + +/** + * enum ssp_rx_endian - endianess of Rx FIFO Data + */ +enum ssp_rx_endian { + SSP_RX_MSB, + SSP_RX_LSB +}; + +/** + * enum ssp_tx_endian - endianess of Tx FIFO Data + */ +enum ssp_tx_endian { + SSP_TX_MSB, + SSP_TX_LSB +}; + +/** + * enum ssp_data_size - number of bits in one data element + */ +enum ssp_data_size { + SSP_DATA_BITS_4 = 0x03, SSP_DATA_BITS_5, SSP_DATA_BITS_6, + SSP_DATA_BITS_7, SSP_DATA_BITS_8, SSP_DATA_BITS_9, + SSP_DATA_BITS_10, SSP_DATA_BITS_11, SSP_DATA_BITS_12, + SSP_DATA_BITS_13, SSP_DATA_BITS_14, SSP_DATA_BITS_15, + SSP_DATA_BITS_16, SSP_DATA_BITS_17, SSP_DATA_BITS_18, + SSP_DATA_BITS_19, SSP_DATA_BITS_20, SSP_DATA_BITS_21, + SSP_DATA_BITS_22, SSP_DATA_BITS_23, SSP_DATA_BITS_24, + SSP_DATA_BITS_25, SSP_DATA_BITS_26, SSP_DATA_BITS_27, + SSP_DATA_BITS_28, SSP_DATA_BITS_29, SSP_DATA_BITS_30, + SSP_DATA_BITS_31, SSP_DATA_BITS_32 +}; + +/** + * enum ssp_mode - SSP mode of operation (Communication modes) + */ +enum ssp_mode { + INTERRUPT_TRANSFER, + POLLING_TRANSFER, + DMA_TRANSFER +}; + +/** + * enum ssp_rx_level_trig - receive FIFO watermark level which triggers + * IT: Interrupt fires when _N_ or more elements in RX FIFO. + */ +enum ssp_rx_level_trig { + SSP_RX_1_OR_MORE_ELEM, + SSP_RX_4_OR_MORE_ELEM, + SSP_RX_8_OR_MORE_ELEM, + SSP_RX_16_OR_MORE_ELEM, + SSP_RX_32_OR_MORE_ELEM +}; + +/** + * Transmit FIFO watermark level which triggers (IT Interrupt fires + * when _N_ or more empty locations in TX FIFO) + */ +enum ssp_tx_level_trig { + SSP_TX_1_OR_MORE_EMPTY_LOC, + SSP_TX_4_OR_MORE_EMPTY_LOC, + SSP_TX_8_OR_MORE_EMPTY_LOC, + SSP_TX_16_OR_MORE_EMPTY_LOC, + SSP_TX_32_OR_MORE_EMPTY_LOC +}; + +/** + * enum SPI Clock Phase - clock phase (Motorola SPI interface only) + * @SSP_CLK_RISING_EDGE: Receive data on rising edge + * @SSP_CLK_FALLING_EDGE: Receive data on falling edge + */ +enum ssp_spi_clk_phase { + SSP_CLK_RISING_EDGE, + SSP_CLK_FALLING_EDGE +}; + +/** + * enum SPI Clock Polarity - clock polarity (Motorola SPI interface only) + * @SSP_CLK_POL_IDLE_LOW: Low inactive level + * @SSP_CLK_POL_IDLE_HIGH: High inactive level + */ +enum ssp_spi_clk_pol { + SSP_CLK_POL_IDLE_LOW, + SSP_CLK_POL_IDLE_HIGH +}; + +/** + * Microwire Conrol Lengths Command size in microwire format + */ +enum ssp_microwire_ctrl_len { + SSP_BITS_4 = 0x03, SSP_BITS_5, SSP_BITS_6, + SSP_BITS_7, SSP_BITS_8, SSP_BITS_9, + SSP_BITS_10, SSP_BITS_11, SSP_BITS_12, + SSP_BITS_13, SSP_BITS_14, SSP_BITS_15, + SSP_BITS_16, SSP_BITS_17, SSP_BITS_18, + SSP_BITS_19, SSP_BITS_20, SSP_BITS_21, + SSP_BITS_22, SSP_BITS_23, SSP_BITS_24, + SSP_BITS_25, SSP_BITS_26, SSP_BITS_27, + SSP_BITS_28, SSP_BITS_29, SSP_BITS_30, + SSP_BITS_31, SSP_BITS_32 +}; + +/** + * enum Microwire Wait State + * @SSP_MWIRE_WAIT_ZERO: No wait state inserted after last command bit + * @SSP_MWIRE_WAIT_ONE: One wait state inserted after last command bit + */ +enum ssp_microwire_wait_state { + SSP_MWIRE_WAIT_ZERO, + SSP_MWIRE_WAIT_ONE +}; + +/** + * enum Microwire - whether Full/Half Duplex + * @SSP_MICROWIRE_CHANNEL_FULL_DUPLEX: SSPTXD becomes bi-directional, + * SSPRXD not used + * @SSP_MICROWIRE_CHANNEL_HALF_DUPLEX: SSPTXD is an output, SSPRXD is + * an input. + */ +enum ssp_duplex { + SSP_MICROWIRE_CHANNEL_FULL_DUPLEX, + SSP_MICROWIRE_CHANNEL_HALF_DUPLEX +}; + +/** + * CHIP select/deselect commands + */ +enum ssp_chip_select { + SSP_CHIP_SELECT, + SSP_CHIP_DESELECT +}; + + +/** + * struct pl022_ssp_master - device.platform_data for SPI controller devices. + * @num_chipselect: chipselects are used to distinguish individual + * SPI slaves, and are numbered from zero to num_chipselects - 1. + * each slave has a chipselect signal, but it's common that not + * every chipselect is connected to a slave. + * @enable_dma: if true enables DMA driven transfers. + */ +struct pl022_ssp_controller { + u16 bus_id; + u8 num_chipselect; + u8 enable_dma:1; +}; + +/** + * struct ssp_config_chip - spi_board_info.controller_data for SPI + * slave devices, copied to spi_device.controller_data. + * + * @lbm: used for test purpose to internally connect RX and TX + * @iface: Interface type(Motorola, TI, Microwire, Universal) + * @hierarchy: sets whether interface is master or slave + * @slave_tx_disable: SSPTXD is disconnected (in slave mode only) + * @clk_freq: Tune freq parameters of SSP(when in master mode) + * @endian_rx: Endianess of Data in Rx FIFO + * @endian_tx: Endianess of Data in Tx FIFO + * @data_size: Width of data element(4 to 32 bits) + * @com_mode: communication mode: polling, Interrupt or DMA + * @rx_lev_trig: Rx FIFO watermark level (for IT & DMA mode) + * @tx_lev_trig: Tx FIFO watermark level (for IT & DMA mode) + * @clk_phase: Motorola SPI interface Clock phase + * @clk_pol: Motorola SPI interface Clock polarity + * @ctrl_len: Microwire interface: Control length + * @wait_state: Microwire interface: Wait state + * @duplex: Microwire interface: Full/Half duplex + * @cs_control: function pointer to board-specific function to + * assert/deassert I/O port to control HW generation of devices chip-select. + * @dma_xfer_type: Type of DMA xfer (Mem-to-periph or Periph-to-Periph) + * @dma_config: DMA configuration for SSP controller and peripheral + */ +struct pl022_config_chip { + struct device *dev; + enum ssp_loopback lbm; + enum ssp_interface iface; + enum ssp_hierarchy hierarchy; + bool slave_tx_disable; + struct ssp_clock_params clk_freq; + enum ssp_rx_endian endian_rx; + enum ssp_tx_endian endian_tx; + enum ssp_data_size data_size; + enum ssp_mode com_mode; + enum ssp_rx_level_trig rx_lev_trig; + enum ssp_tx_level_trig tx_lev_trig; + enum ssp_spi_clk_phase clk_phase; + enum ssp_spi_clk_pol clk_pol; + enum ssp_microwire_ctrl_len ctrl_len; + enum ssp_microwire_wait_state wait_state; + enum ssp_duplex duplex; + void (*cs_control) (u32 control); +}; + +#endif /* _SSP_PL022_H */ -- cgit v1.2.3 From dcae3626d031fe6296b1e96a16f986193a41f840 Mon Sep 17 00:00:00 2001 From: Roel Kluin Date: Wed, 10 Jun 2009 12:43:48 -0700 Subject: drm: fix LOCK_TEST_WITH_RETURN macro When this macro isn't called with 'file_priv' this will result in a build failure. Signed-off-by: Roel Kluin Signed-off-by: Andrew Morton Signed-off-by: Dave Airlie --- include/drm/drmP.h | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) (limited to 'include') diff --git a/include/drm/drmP.h b/include/drm/drmP.h index b84d8ae35e6f..efa5f79a35c7 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -237,15 +237,15 @@ struct drm_device; * \param dev DRM device. * \param filp file pointer of the caller. */ -#define LOCK_TEST_WITH_RETURN( dev, file_priv ) \ -do { \ - if (!_DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock) || \ - file_priv->master->lock.file_priv != file_priv) { \ +#define LOCK_TEST_WITH_RETURN( dev, _file_priv ) \ +do { \ + if (!_DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock) || \ + _file_priv->master->lock.file_priv != _file_priv) { \ DRM_ERROR( "%s called without lock held, held %d owner %p %p\n",\ - __func__, _DRM_LOCK_IS_HELD(file_priv->master->lock.hw_lock->lock),\ - file_priv->master->lock.file_priv, file_priv); \ - return -EINVAL; \ - } \ + __func__, _DRM_LOCK_IS_HELD(_file_priv->master->lock.hw_lock->lock),\ + _file_priv->master->lock.file_priv, _file_priv); \ + return -EINVAL; \ + } \ } while (0) /** -- cgit v1.2.3 From 4fefcb27050b98c97b1c32bc710fc2f874449dee Mon Sep 17 00:00:00 2001 From: yakui_zhao Date: Tue, 2 Jun 2009 14:09:47 +0800 Subject: drm: add separate drm debugging levels Now all the DRM debug info will be reported if the boot option of "drm.debug=1" is added. Sometimes it is inconvenient to get the debug info in KMS mode. We will get too much unrelated info. This will separate several DRM debug levels and the debug level can be used to print the different debug info. And the debug level is controlled by the module parameter of drm.debug In this patch it is divided into four debug levels; drm_core, drm_driver, drm_kms, drm_mode. At the same time we can get the different debug info by changing the debug level. This can be done by adding the module parameter. Of course it can be changed through the /sys/module/drm/parameters/debug after the system is booted. Four debug macro definitions are provided. DRM_DEBUG(fmt, args...) DRM_DEBUG_DRIVER(prefix, fmt, args...) DRM_DEBUG_KMS(prefix, fmt, args...) DRM_DEBUG_MODE(prefix, fmt, args...) When the boot option of "drm.debug=4" is added, it will print the debug info using DRM_DEBUG_KMS macro definition. When the boot option of "drm.debug=6" is added, it will print the debug info using DRM_DEBUG_KMS/DRM_DEBUG_DRIVER. Sometimes we expect to print the value of an array. For example: SDVO command, In such case the following four DRM debug macro definitions are added: DRM_LOG(fmt, args...) DRM_LOG_DRIVER(fmt, args...) DRM_LOG_KMS(fmt, args...) DRM_LOG_MODE(fmt, args...) Signed-off-by: Zhao Yakui Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_stub.c | 17 ++++++++++++- include/drm/drmP.h | 61 ++++++++++++++++++++++++++++++++++++++++++---- 2 files changed, 72 insertions(+), 6 deletions(-) (limited to 'include') diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index b9631e3a1ea6..89050684fe0d 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -51,7 +51,22 @@ struct idr drm_minors_idr; struct class *drm_class; struct proc_dir_entry *drm_proc_root; struct dentry *drm_debugfs_root; - +void drm_ut_debug_printk(unsigned int request_level, + const char *prefix, + const char *function_name, + const char *format, ...) +{ + va_list args; + + if (drm_debug & request_level) { + if (function_name) + printk(KERN_DEBUG "[%s:%s], ", prefix, function_name); + va_start(args, format); + vprintk(format, args); + va_end(args); + } +} +EXPORT_SYMBOL(drm_ut_debug_printk); static int drm_minor_get_id(struct drm_device *dev, int type) { int new_id; diff --git a/include/drm/drmP.h b/include/drm/drmP.h index efa5f79a35c7..afc21685230e 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -87,6 +87,15 @@ struct drm_device; #include "drm_os_linux.h" #include "drm_hashtab.h" +#define DRM_UT_CORE 0x01 +#define DRM_UT_DRIVER 0x02 +#define DRM_UT_KMS 0x04 +#define DRM_UT_MODE 0x08 + +extern void drm_ut_debug_printk(unsigned int request_level, + const char *prefix, + const char *function_name, + const char *format, ...); /***********************************************************************/ /** \name DRM template customization defaults */ /*@{*/ @@ -186,15 +195,57 @@ struct drm_device; * \param arg arguments */ #if DRM_DEBUG_CODE -#define DRM_DEBUG(fmt, arg...) \ +#define DRM_DEBUG(fmt, args...) \ do { \ - if ( drm_debug ) \ - printk(KERN_DEBUG \ - "[" DRM_NAME ":%s] " fmt , \ - __func__ , ##arg); \ + drm_ut_debug_printk(DRM_UT_CORE, DRM_NAME, \ + __func__, fmt, ##args); \ + } while (0) + +#define DRM_DEBUG_DRIVER(prefix, fmt, args...) \ + do { \ + drm_ut_debug_printk(DRM_UT_DRIVER, prefix, \ + __func__, fmt, ##args); \ + } while (0) +#define DRM_DEBUG_KMS(prefix, fmt, args...) \ + do { \ + drm_ut_debug_printk(DRM_UT_KMS, prefix, \ + __func__, fmt, ##args); \ + } while (0) +#define DRM_DEBUG_MODE(prefix, fmt, args...) \ + do { \ + drm_ut_debug_printk(DRM_UT_MODE, prefix, \ + __func__, fmt, ##args); \ + } while (0) +#define DRM_LOG(fmt, args...) \ + do { \ + drm_ut_debug_printk(DRM_UT_CORE, NULL, \ + NULL, fmt, ##args); \ + } while (0) +#define DRM_LOG_KMS(fmt, args...) \ + do { \ + drm_ut_debug_printk(DRM_UT_KMS, NULL, \ + NULL, fmt, ##args); \ + } while (0) +#define DRM_LOG_MODE(fmt, args...) \ + do { \ + drm_ut_debug_printk(DRM_UT_MODE, NULL, \ + NULL, fmt, ##args); \ + } while (0) +#define DRM_LOG_DRIVER(fmt, args...) \ + do { \ + drm_ut_debug_printk(DRM_UT_DRIVER, NULL, \ + NULL, fmt, ##args); \ } while (0) #else +#define DRM_DEBUG_DRIVER(prefix, fmt, args...) do { } while (0) +#define DRM_DEBUG_KMS(prefix, fmt, args...) do { } while (0) +#define DRM_DEBUG_MODE(prefix, fmt, args...) do { } while (0) #define DRM_DEBUG(fmt, arg...) do { } while (0) +#define DRM_LOG(fmt, arg...) do { } while (0) +#define DRM_LOG_KMS(fmt, args...) do { } while (0) +#define DRM_LOG_MODE(fmt, arg...) do { } while (0) +#define DRM_LOG_DRIVER(fmt, arg...) do { } while (0) + #endif #define DRM_PROC_LIMIT (PAGE_SIZE-80) -- cgit v1.2.3 From 63b852a6b67d0820d388b0ecd0da83ccb4048b8d Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:24 +0000 Subject: asm-generic: rename termios.h, signal.h and mman.h The existing asm-generic versions are incomplete and included by some architectures. New architectures should be able to use a generic version, so rename the existing files and change all users, which lets us add the new files. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- arch/alpha/include/asm/signal.h | 2 +- arch/arm/include/asm/mman.h | 2 +- arch/arm/include/asm/signal.h | 2 +- arch/avr32/include/asm/mman.h | 2 +- arch/avr32/include/asm/signal.h | 2 +- arch/avr32/include/asm/termios.h | 2 +- arch/blackfin/include/asm/signal.h | 2 +- arch/cris/include/asm/mman.h | 2 +- arch/cris/include/asm/signal.h | 2 +- arch/frv/include/asm/mman.h | 2 +- arch/frv/include/asm/termios.h | 2 +- arch/h8300/include/asm/mman.h | 2 +- arch/h8300/include/asm/signal.h | 2 +- arch/ia64/include/asm/mman.h | 2 +- arch/ia64/include/asm/signal.h | 2 +- arch/m32r/include/asm/mman.h | 2 +- arch/m32r/include/asm/signal.h | 2 +- arch/m68k/include/asm/mman.h | 2 +- arch/m68k/include/asm/signal.h | 2 +- arch/microblaze/include/asm/signal.h | 2 +- arch/microblaze/include/asm/termios.h | 2 +- arch/mips/include/asm/signal.h | 2 +- arch/mn10300/include/asm/mman.h | 2 +- arch/mn10300/include/asm/signal.h | 2 +- arch/powerpc/include/asm/mman.h | 2 +- arch/powerpc/include/asm/signal.h | 2 +- arch/powerpc/include/asm/termios.h | 2 +- arch/s390/include/asm/mman.h | 2 +- arch/s390/include/asm/signal.h | 2 +- arch/s390/include/asm/termios.h | 2 +- arch/sh/include/asm/mman.h | 2 +- arch/sh/include/asm/signal.h | 2 +- arch/sparc/include/asm/mman.h | 2 +- arch/sparc/include/asm/signal.h | 2 +- arch/x86/include/asm/mman.h | 2 +- arch/x86/include/asm/signal.h | 2 +- include/asm-generic/Kbuild | 4 +- include/asm-generic/mman-common.h | 41 +++++++++++++++++++ include/asm-generic/mman.h | 41 ------------------- include/asm-generic/signal-defs.h | 28 +++++++++++++ include/asm-generic/signal.h | 28 ------------- include/asm-generic/termios-base.h | 77 +++++++++++++++++++++++++++++++++++ include/asm-generic/termios.h | 77 ----------------------------------- 43 files changed, 184 insertions(+), 184 deletions(-) create mode 100644 include/asm-generic/mman-common.h delete mode 100644 include/asm-generic/mman.h create mode 100644 include/asm-generic/signal-defs.h delete mode 100644 include/asm-generic/signal.h create mode 100644 include/asm-generic/termios-base.h delete mode 100644 include/asm-generic/termios.h (limited to 'include') diff --git a/arch/alpha/include/asm/signal.h b/arch/alpha/include/asm/signal.h index 13c2305d35ef..a9388300abb1 100644 --- a/arch/alpha/include/asm/signal.h +++ b/arch/alpha/include/asm/signal.h @@ -111,7 +111,7 @@ typedef unsigned long sigset_t; #define SIG_UNBLOCK 2 /* for unblocking signals */ #define SIG_SETMASK 3 /* for setting the signal mask */ -#include +#include #ifdef __KERNEL__ struct osf_sigaction { diff --git a/arch/arm/include/asm/mman.h b/arch/arm/include/asm/mman.h index 54570d2e95b7..fc26976d8e3a 100644 --- a/arch/arm/include/asm/mman.h +++ b/arch/arm/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef __ARM_MMAN_H__ #define __ARM_MMAN_H__ -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/arm/include/asm/signal.h b/arch/arm/include/asm/signal.h index d0fb487aba4f..43ba0fb1c8ad 100644 --- a/arch/arm/include/asm/signal.h +++ b/arch/arm/include/asm/signal.h @@ -111,7 +111,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/avr32/include/asm/mman.h b/arch/avr32/include/asm/mman.h index 648f91e7187a..9a92b15f6a66 100644 --- a/arch/avr32/include/asm/mman.h +++ b/arch/avr32/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef __ASM_AVR32_MMAN_H__ #define __ASM_AVR32_MMAN_H__ -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/avr32/include/asm/signal.h b/arch/avr32/include/asm/signal.h index caffefeeba1f..8790dfc10d5b 100644 --- a/arch/avr32/include/asm/signal.h +++ b/arch/avr32/include/asm/signal.h @@ -112,7 +112,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/avr32/include/asm/termios.h b/arch/avr32/include/asm/termios.h index 0152aba35154..dd7e9da25488 100644 --- a/arch/avr32/include/asm/termios.h +++ b/arch/avr32/include/asm/termios.h @@ -55,7 +55,7 @@ struct termio { */ #define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" -#include +#include #endif /* __KERNEL__ */ diff --git a/arch/blackfin/include/asm/signal.h b/arch/blackfin/include/asm/signal.h index 87951d251458..2eea90794454 100644 --- a/arch/blackfin/include/asm/signal.h +++ b/arch/blackfin/include/asm/signal.h @@ -104,7 +104,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/cris/include/asm/mman.h b/arch/cris/include/asm/mman.h index 1c35e1b66b46..b7f0afba3ce0 100644 --- a/arch/cris/include/asm/mman.h +++ b/arch/cris/include/asm/mman.h @@ -3,7 +3,7 @@ /* verbatim copy of asm-i386/ version */ -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/cris/include/asm/signal.h b/arch/cris/include/asm/signal.h index 349ae682b568..ea6af9aad76c 100644 --- a/arch/cris/include/asm/signal.h +++ b/arch/cris/include/asm/signal.h @@ -106,7 +106,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/frv/include/asm/mman.h b/arch/frv/include/asm/mman.h index b4371e928683..58c1d11e2ac7 100644 --- a/arch/frv/include/asm/mman.h +++ b/arch/frv/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef __ASM_MMAN_H__ #define __ASM_MMAN_H__ -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/frv/include/asm/termios.h b/arch/frv/include/asm/termios.h index a62fb5872375..b4868aafe79c 100644 --- a/arch/frv/include/asm/termios.h +++ b/arch/frv/include/asm/termios.h @@ -52,7 +52,7 @@ struct termio { /* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ #ifdef __KERNEL__ -#include +#include #endif #endif /* _ASM_TERMIOS_H */ diff --git a/arch/h8300/include/asm/mman.h b/arch/h8300/include/asm/mman.h index b9f104f22a36..cf35f0a6f12e 100644 --- a/arch/h8300/include/asm/mman.h +++ b/arch/h8300/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef __H8300_MMAN_H__ #define __H8300_MMAN_H__ -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/h8300/include/asm/signal.h b/arch/h8300/include/asm/signal.h index 7bc15048a64f..fd8b66e40dca 100644 --- a/arch/h8300/include/asm/signal.h +++ b/arch/h8300/include/asm/signal.h @@ -105,7 +105,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/ia64/include/asm/mman.h b/arch/ia64/include/asm/mman.h index c73b87832a1e..48cf8b98a0b4 100644 --- a/arch/ia64/include/asm/mman.h +++ b/arch/ia64/include/asm/mman.h @@ -8,7 +8,7 @@ * David Mosberger-Tang , Hewlett-Packard Co */ -#include +#include #define MAP_GROWSDOWN 0x00100 /* stack-like segment */ #define MAP_GROWSUP 0x00200 /* register stack-like segment */ diff --git a/arch/ia64/include/asm/signal.h b/arch/ia64/include/asm/signal.h index 4f5ca5643cb1..b166248d49a4 100644 --- a/arch/ia64/include/asm/signal.h +++ b/arch/ia64/include/asm/signal.h @@ -114,7 +114,7 @@ #endif /* __KERNEL__ */ -#include +#include # ifndef __ASSEMBLY__ diff --git a/arch/m32r/include/asm/mman.h b/arch/m32r/include/asm/mman.h index 516a8973b130..04a5f40aa401 100644 --- a/arch/m32r/include/asm/mman.h +++ b/arch/m32r/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef __M32R_MMAN_H__ #define __M32R_MMAN_H__ -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/m32r/include/asm/signal.h b/arch/m32r/include/asm/signal.h index 1a607066bc64..9c1acb2b1a92 100644 --- a/arch/m32r/include/asm/signal.h +++ b/arch/m32r/include/asm/signal.h @@ -107,7 +107,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/m68k/include/asm/mman.h b/arch/m68k/include/asm/mman.h index 1626d37f4898..9f5c4c4b3c7b 100644 --- a/arch/m68k/include/asm/mman.h +++ b/arch/m68k/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef __M68K_MMAN_H__ #define __M68K_MMAN_H__ -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/m68k/include/asm/signal.h b/arch/m68k/include/asm/signal.h index 08788fdefde0..5bc09c787a11 100644 --- a/arch/m68k/include/asm/signal.h +++ b/arch/m68k/include/asm/signal.h @@ -103,7 +103,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/microblaze/include/asm/signal.h b/arch/microblaze/include/asm/signal.h index 9676fad3486c..46bc2267d949 100644 --- a/arch/microblaze/include/asm/signal.h +++ b/arch/microblaze/include/asm/signal.h @@ -90,7 +90,7 @@ # ifndef __ASSEMBLY__ # include -# include +# include /* Avoid too many header ordering problems. */ struct siginfo; diff --git a/arch/microblaze/include/asm/termios.h b/arch/microblaze/include/asm/termios.h index 102d77258668..47a46d1fbe26 100644 --- a/arch/microblaze/include/asm/termios.h +++ b/arch/microblaze/include/asm/termios.h @@ -81,7 +81,7 @@ struct termio { #ifdef __KERNEL__ -#include +#include #endif /* __KERNEL__ */ diff --git a/arch/mips/include/asm/signal.h b/arch/mips/include/asm/signal.h index bee5153aca48..c783f364938c 100644 --- a/arch/mips/include/asm/signal.h +++ b/arch/mips/include/asm/signal.h @@ -109,7 +109,7 @@ typedef unsigned long old_sigset_t; /* at least 32 bits */ #define SIG_UNBLOCK 2 /* for unblocking signals */ #define SIG_SETMASK 3 /* for setting the signal mask */ -#include +#include struct sigaction { unsigned int sa_flags; diff --git a/arch/mn10300/include/asm/mman.h b/arch/mn10300/include/asm/mman.h index b7986b65addf..d04fac1da5aa 100644 --- a/arch/mn10300/include/asm/mman.h +++ b/arch/mn10300/include/asm/mman.h @@ -12,7 +12,7 @@ #ifndef _ASM_MMAN_H #define _ASM_MMAN_H -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/mn10300/include/asm/signal.h b/arch/mn10300/include/asm/signal.h index e98817cec5f7..7e891fce2370 100644 --- a/arch/mn10300/include/asm/signal.h +++ b/arch/mn10300/include/asm/signal.h @@ -115,7 +115,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/powerpc/include/asm/mman.h b/arch/powerpc/include/asm/mman.h index e7b99bac9f48..7b1c49811a24 100644 --- a/arch/powerpc/include/asm/mman.h +++ b/arch/powerpc/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef _ASM_POWERPC_MMAN_H #define _ASM_POWERPC_MMAN_H -#include +#include /* * This program is free software; you can redistribute it and/or diff --git a/arch/powerpc/include/asm/signal.h b/arch/powerpc/include/asm/signal.h index 69f709d8e8e7..3eb13be11d8f 100644 --- a/arch/powerpc/include/asm/signal.h +++ b/arch/powerpc/include/asm/signal.h @@ -94,7 +94,7 @@ typedef struct { #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include struct old_sigaction { __sighandler_t sa_handler; diff --git a/arch/powerpc/include/asm/termios.h b/arch/powerpc/include/asm/termios.h index 2c14fea07c8a..a24f48704a34 100644 --- a/arch/powerpc/include/asm/termios.h +++ b/arch/powerpc/include/asm/termios.h @@ -78,7 +78,7 @@ struct termio { #ifdef __KERNEL__ -#include +#include #endif /* __KERNEL__ */ diff --git a/arch/s390/include/asm/mman.h b/arch/s390/include/asm/mman.h index da01432e8f44..f63fe7b431ed 100644 --- a/arch/s390/include/asm/mman.h +++ b/arch/s390/include/asm/mman.h @@ -9,7 +9,7 @@ #ifndef __S390_MMAN_H__ #define __S390_MMAN_H__ -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/s390/include/asm/signal.h b/arch/s390/include/asm/signal.h index f6cfddb278cb..cdf5cb2fe03f 100644 --- a/arch/s390/include/asm/signal.h +++ b/arch/s390/include/asm/signal.h @@ -115,7 +115,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/s390/include/asm/termios.h b/arch/s390/include/asm/termios.h index 67f66278f533..bc3a35cefc96 100644 --- a/arch/s390/include/asm/termios.h +++ b/arch/s390/include/asm/termios.h @@ -60,7 +60,7 @@ struct termio { #define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios2)) #define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios2)) -#include +#include #endif /* __KERNEL__ */ diff --git a/arch/sh/include/asm/mman.h b/arch/sh/include/asm/mman.h index 156eb0225cf6..7d8b72c91a5f 100644 --- a/arch/sh/include/asm/mman.h +++ b/arch/sh/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef __ASM_SH_MMAN_H #define __ASM_SH_MMAN_H -#include +#include #define MAP_GROWSDOWN 0x0100 /* stack-like segment */ #define MAP_DENYWRITE 0x0800 /* ETXTBSY */ diff --git a/arch/sh/include/asm/signal.h b/arch/sh/include/asm/signal.h index 5c5c1e852089..9cc5f0144689 100644 --- a/arch/sh/include/asm/signal.h +++ b/arch/sh/include/asm/signal.h @@ -106,7 +106,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifdef __KERNEL__ struct old_sigaction { diff --git a/arch/sparc/include/asm/mman.h b/arch/sparc/include/asm/mman.h index fdfbbf0a4736..988192e8e956 100644 --- a/arch/sparc/include/asm/mman.h +++ b/arch/sparc/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef __SPARC_MMAN_H__ #define __SPARC_MMAN_H__ -#include +#include /* SunOS'ified... */ diff --git a/arch/sparc/include/asm/signal.h b/arch/sparc/include/asm/signal.h index cba45206b7f2..e49b828a2471 100644 --- a/arch/sparc/include/asm/signal.h +++ b/arch/sparc/include/asm/signal.h @@ -176,7 +176,7 @@ struct sigstack { #define SA_STATIC_ALLOC 0x8000 #endif -#include +#include struct __new_sigaction { __sighandler_t sa_handler; diff --git a/arch/x86/include/asm/mman.h b/arch/x86/include/asm/mman.h index 90bc4108a4fd..751af2550ed9 100644 --- a/arch/x86/include/asm/mman.h +++ b/arch/x86/include/asm/mman.h @@ -1,7 +1,7 @@ #ifndef _ASM_X86_MMAN_H #define _ASM_X86_MMAN_H -#include +#include #define MAP_32BIT 0x40 /* only give out 32bit addresses */ diff --git a/arch/x86/include/asm/signal.h b/arch/x86/include/asm/signal.h index 7761a5d554bb..598457cbd0f8 100644 --- a/arch/x86/include/asm/signal.h +++ b/arch/x86/include/asm/signal.h @@ -117,7 +117,7 @@ typedef unsigned long sigset_t; #define MINSIGSTKSZ 2048 #define SIGSTKSZ 8192 -#include +#include #ifndef __ASSEMBLY__ diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index 4c9932a2503f..460b08d51e2e 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -2,9 +2,9 @@ header-y += errno-base.h header-y += errno.h header-y += fcntl.h header-y += ioctl.h -header-y += mman.h +header-y += mman-common.h header-y += poll.h -header-y += signal.h +header-y += signal-defs.h header-y += statfs.h unifdef-y += int-l64.h diff --git a/include/asm-generic/mman-common.h b/include/asm-generic/mman-common.h new file mode 100644 index 000000000000..3b69ad34189a --- /dev/null +++ b/include/asm-generic/mman-common.h @@ -0,0 +1,41 @@ +#ifndef __ASM_GENERIC_MMAN_COMMON_H +#define __ASM_GENERIC_MMAN_COMMON_H + +/* + Author: Michael S. Tsirkin , Mellanox Technologies Ltd. + Based on: asm-xxx/mman.h +*/ + +#define PROT_READ 0x1 /* page can be read */ +#define PROT_WRITE 0x2 /* page can be written */ +#define PROT_EXEC 0x4 /* page can be executed */ +#define PROT_SEM 0x8 /* page may be used for atomic ops */ +#define PROT_NONE 0x0 /* page can not be accessed */ +#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ +#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ + +#define MAP_SHARED 0x01 /* Share changes */ +#define MAP_PRIVATE 0x02 /* Changes are private */ +#define MAP_TYPE 0x0f /* Mask for type of mapping */ +#define MAP_FIXED 0x10 /* Interpret addr exactly */ +#define MAP_ANONYMOUS 0x20 /* don't use a file */ + +#define MS_ASYNC 1 /* sync memory asynchronously */ +#define MS_INVALIDATE 2 /* invalidate the caches */ +#define MS_SYNC 4 /* synchronous memory sync */ + +#define MADV_NORMAL 0 /* no further special treatment */ +#define MADV_RANDOM 1 /* expect random page references */ +#define MADV_SEQUENTIAL 2 /* expect sequential page references */ +#define MADV_WILLNEED 3 /* will need these pages */ +#define MADV_DONTNEED 4 /* don't need these pages */ + +/* common parameters: try to keep these consistent across architectures */ +#define MADV_REMOVE 9 /* remove these pages & resources */ +#define MADV_DONTFORK 10 /* don't inherit across fork */ +#define MADV_DOFORK 11 /* do inherit across fork */ + +/* compatibility flags */ +#define MAP_FILE 0 + +#endif /* __ASM_GENERIC_MMAN_COMMON_H */ diff --git a/include/asm-generic/mman.h b/include/asm-generic/mman.h deleted file mode 100644 index 5e3dde2ee5ad..000000000000 --- a/include/asm-generic/mman.h +++ /dev/null @@ -1,41 +0,0 @@ -#ifndef _ASM_GENERIC_MMAN_H -#define _ASM_GENERIC_MMAN_H - -/* - Author: Michael S. Tsirkin , Mellanox Technologies Ltd. - Based on: asm-xxx/mman.h -*/ - -#define PROT_READ 0x1 /* page can be read */ -#define PROT_WRITE 0x2 /* page can be written */ -#define PROT_EXEC 0x4 /* page can be executed */ -#define PROT_SEM 0x8 /* page may be used for atomic ops */ -#define PROT_NONE 0x0 /* page can not be accessed */ -#define PROT_GROWSDOWN 0x01000000 /* mprotect flag: extend change to start of growsdown vma */ -#define PROT_GROWSUP 0x02000000 /* mprotect flag: extend change to end of growsup vma */ - -#define MAP_SHARED 0x01 /* Share changes */ -#define MAP_PRIVATE 0x02 /* Changes are private */ -#define MAP_TYPE 0x0f /* Mask for type of mapping */ -#define MAP_FIXED 0x10 /* Interpret addr exactly */ -#define MAP_ANONYMOUS 0x20 /* don't use a file */ - -#define MS_ASYNC 1 /* sync memory asynchronously */ -#define MS_INVALIDATE 2 /* invalidate the caches */ -#define MS_SYNC 4 /* synchronous memory sync */ - -#define MADV_NORMAL 0 /* no further special treatment */ -#define MADV_RANDOM 1 /* expect random page references */ -#define MADV_SEQUENTIAL 2 /* expect sequential page references */ -#define MADV_WILLNEED 3 /* will need these pages */ -#define MADV_DONTNEED 4 /* don't need these pages */ - -/* common parameters: try to keep these consistent across architectures */ -#define MADV_REMOVE 9 /* remove these pages & resources */ -#define MADV_DONTFORK 10 /* don't inherit across fork */ -#define MADV_DOFORK 11 /* do inherit across fork */ - -/* compatibility flags */ -#define MAP_FILE 0 - -#endif diff --git a/include/asm-generic/signal-defs.h b/include/asm-generic/signal-defs.h new file mode 100644 index 000000000000..00f95df54297 --- /dev/null +++ b/include/asm-generic/signal-defs.h @@ -0,0 +1,28 @@ +#ifndef __ASM_GENERIC_SIGNAL_DEFS_H +#define __ASM_GENERIC_SIGNAL_DEFS_H + +#include + +#ifndef SIG_BLOCK +#define SIG_BLOCK 0 /* for blocking signals */ +#endif +#ifndef SIG_UNBLOCK +#define SIG_UNBLOCK 1 /* for unblocking signals */ +#endif +#ifndef SIG_SETMASK +#define SIG_SETMASK 2 /* for setting the signal mask */ +#endif + +#ifndef __ASSEMBLY__ +typedef void __signalfn_t(int); +typedef __signalfn_t __user *__sighandler_t; + +typedef void __restorefn_t(void); +typedef __restorefn_t __user *__sigrestore_t; + +#define SIG_DFL ((__force __sighandler_t)0) /* default signal handling */ +#define SIG_IGN ((__force __sighandler_t)1) /* ignore signal */ +#define SIG_ERR ((__force __sighandler_t)-1) /* error return from signal */ +#endif + +#endif /* __ASM_GENERIC_SIGNAL_DEFS_H */ diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h deleted file mode 100644 index dae1d8720076..000000000000 --- a/include/asm-generic/signal.h +++ /dev/null @@ -1,28 +0,0 @@ -#ifndef __ASM_GENERIC_SIGNAL_H -#define __ASM_GENERIC_SIGNAL_H - -#include - -#ifndef SIG_BLOCK -#define SIG_BLOCK 0 /* for blocking signals */ -#endif -#ifndef SIG_UNBLOCK -#define SIG_UNBLOCK 1 /* for unblocking signals */ -#endif -#ifndef SIG_SETMASK -#define SIG_SETMASK 2 /* for setting the signal mask */ -#endif - -#ifndef __ASSEMBLY__ -typedef void __signalfn_t(int); -typedef __signalfn_t __user *__sighandler_t; - -typedef void __restorefn_t(void); -typedef __restorefn_t __user *__sigrestore_t; - -#define SIG_DFL ((__force __sighandler_t)0) /* default signal handling */ -#define SIG_IGN ((__force __sighandler_t)1) /* ignore signal */ -#define SIG_ERR ((__force __sighandler_t)-1) /* error return from signal */ -#endif - -#endif /* __ASM_GENERIC_SIGNAL_H */ diff --git a/include/asm-generic/termios-base.h b/include/asm-generic/termios-base.h new file mode 100644 index 000000000000..0a769feb22b0 --- /dev/null +++ b/include/asm-generic/termios-base.h @@ -0,0 +1,77 @@ +/* termios.h: generic termios/termio user copying/translation + */ + +#ifndef _ASM_GENERIC_TERMIOS_BASE_H +#define _ASM_GENERIC_TERMIOS_BASE_H + +#include + +#ifndef __ARCH_TERMIO_GETPUT + +/* + * Translate a "termio" structure into a "termios". Ugh. + */ +static inline int user_termio_to_kernel_termios(struct ktermios *termios, + struct termio __user *termio) +{ + unsigned short tmp; + + if (get_user(tmp, &termio->c_iflag) < 0) + goto fault; + termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp; + + if (get_user(tmp, &termio->c_oflag) < 0) + goto fault; + termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp; + + if (get_user(tmp, &termio->c_cflag) < 0) + goto fault; + termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp; + + if (get_user(tmp, &termio->c_lflag) < 0) + goto fault; + termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp; + + if (get_user(termios->c_line, &termio->c_line) < 0) + goto fault; + + if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0) + goto fault; + + return 0; + + fault: + return -EFAULT; +} + +/* + * Translate a "termios" structure into a "termio". Ugh. + */ +static inline int kernel_termios_to_user_termio(struct termio __user *termio, + struct ktermios *termios) +{ + if (put_user(termios->c_iflag, &termio->c_iflag) < 0 || + put_user(termios->c_oflag, &termio->c_oflag) < 0 || + put_user(termios->c_cflag, &termio->c_cflag) < 0 || + put_user(termios->c_lflag, &termio->c_lflag) < 0 || + put_user(termios->c_line, &termio->c_line) < 0 || + copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0) + return -EFAULT; + + return 0; +} + +#ifndef user_termios_to_kernel_termios +#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios)) +#endif + +#ifndef kernel_termios_to_user_termios +#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios)) +#endif + +#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) +#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) + +#endif /* __ARCH_TERMIO_GETPUT */ + +#endif /* _ASM_GENERIC_TERMIOS_BASE_H */ diff --git a/include/asm-generic/termios.h b/include/asm-generic/termios.h deleted file mode 100644 index 7d39ecc92d94..000000000000 --- a/include/asm-generic/termios.h +++ /dev/null @@ -1,77 +0,0 @@ -/* termios.h: generic termios/termio user copying/translation - */ - -#ifndef _ASM_GENERIC_TERMIOS_H -#define _ASM_GENERIC_TERMIOS_H - -#include - -#ifndef __ARCH_TERMIO_GETPUT - -/* - * Translate a "termio" structure into a "termios". Ugh. - */ -static inline int user_termio_to_kernel_termios(struct ktermios *termios, - struct termio __user *termio) -{ - unsigned short tmp; - - if (get_user(tmp, &termio->c_iflag) < 0) - goto fault; - termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp; - - if (get_user(tmp, &termio->c_oflag) < 0) - goto fault; - termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp; - - if (get_user(tmp, &termio->c_cflag) < 0) - goto fault; - termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp; - - if (get_user(tmp, &termio->c_lflag) < 0) - goto fault; - termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp; - - if (get_user(termios->c_line, &termio->c_line) < 0) - goto fault; - - if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0) - goto fault; - - return 0; - - fault: - return -EFAULT; -} - -/* - * Translate a "termios" structure into a "termio". Ugh. - */ -static inline int kernel_termios_to_user_termio(struct termio __user *termio, - struct ktermios *termios) -{ - if (put_user(termios->c_iflag, &termio->c_iflag) < 0 || - put_user(termios->c_oflag, &termio->c_oflag) < 0 || - put_user(termios->c_cflag, &termio->c_cflag) < 0 || - put_user(termios->c_lflag, &termio->c_lflag) < 0 || - put_user(termios->c_line, &termio->c_line) < 0 || - copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0) - return -EFAULT; - - return 0; -} - -#ifndef user_termios_to_kernel_termios -#define user_termios_to_kernel_termios(k, u) copy_from_user(k, u, sizeof(struct termios)) -#endif - -#ifndef kernel_termios_to_user_termios -#define kernel_termios_to_user_termios(u, k) copy_to_user(u, k, sizeof(struct termios)) -#endif - -#define user_termios_to_kernel_termios_1(k, u) copy_from_user(k, u, sizeof(struct termios)) -#define kernel_termios_to_user_termios_1(u, k) copy_to_user(u, k, sizeof(struct termios)) - -#endif /* __ARCH_TERMIO_GETPUT */ - -#endif /* _ASM_GENERIC_TERMIOS_H */ -- cgit v1.2.3 From c31ae4bb4a9fa4606a74c0a4fb61b74f804e861e Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:25 +0000 Subject: asm-generic: introduce asm/bitsperlong.h This provides a reliable way for asm-generic/types.h and other files to find out if it is running on a 32 or 64 bit platform. We cannot use CONFIG_64BIT for this in headers that are included from user space because CONFIG symbols are not available there. We also cannot do it inside of asm/types.h because some headers need the word size but cannot include types.h. The solution is to introduce a new header that defines both __BITS_PER_LONG for user space and BITS_PER_LONG for usage in the kernel. The asm-generic version falls back to 32 bit unless the architecture overrides it, which I did for all 64 bit platforms. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- arch/alpha/include/asm/bitsperlong.h | 8 ++++++++ arch/alpha/include/asm/types.h | 3 --- arch/arm/include/asm/bitsperlong.h | 1 + arch/avr32/include/asm/bitsperlong.h | 1 + arch/blackfin/include/asm/bitsperlong.h | 1 + arch/cris/include/asm/bitsperlong.h | 1 + arch/frv/include/asm/bitsperlong.h | 1 + arch/h8300/include/asm/bitsperlong.h | 1 + arch/ia64/include/asm/bitsperlong.h | 8 ++++++++ arch/ia64/include/asm/types.h | 7 ------- arch/m32r/include/asm/bitsperlong.h | 1 + arch/m68k/include/asm/bitsperlong.h | 1 + arch/microblaze/include/asm/bitsperlong.h | 1 + arch/mips/include/asm/bitsperlong.h | 8 ++++++++ arch/mips/include/asm/types.h | 3 --- arch/mn10300/include/asm/bitsperlong.h | 1 + arch/parisc/include/asm/bitsperlong.h | 20 +++++++++++++++++++ arch/parisc/include/asm/types.h | 8 -------- arch/powerpc/include/asm/bitsperlong.h | 12 ++++++++++++ arch/powerpc/include/asm/types.h | 9 --------- arch/s390/include/asm/bitsperlong.h | 13 +++++++++++++ arch/s390/include/asm/types.h | 6 ------ arch/sh/include/asm/bitsperlong.h | 1 + arch/sparc/include/asm/bitsperlong.h | 13 +++++++++++++ arch/sparc/include/asm/types.h | 4 ---- arch/x86/include/asm/bitsperlong.h | 13 +++++++++++++ arch/x86/include/asm/types.h | 6 ------ arch/xtensa/include/asm/bitsperlong.h | 1 + include/asm-generic/Kbuild | 1 + include/asm-generic/Kbuild.asm | 1 + include/asm-generic/bitsperlong.h | 32 +++++++++++++++++++++++++++++++ include/asm-generic/int-l64.h | 2 ++ include/asm-generic/int-ll64.h | 2 ++ 33 files changed, 145 insertions(+), 46 deletions(-) create mode 100644 arch/alpha/include/asm/bitsperlong.h create mode 100644 arch/arm/include/asm/bitsperlong.h create mode 100644 arch/avr32/include/asm/bitsperlong.h create mode 100644 arch/blackfin/include/asm/bitsperlong.h create mode 100644 arch/cris/include/asm/bitsperlong.h create mode 100644 arch/frv/include/asm/bitsperlong.h create mode 100644 arch/h8300/include/asm/bitsperlong.h create mode 100644 arch/ia64/include/asm/bitsperlong.h create mode 100644 arch/m32r/include/asm/bitsperlong.h create mode 100644 arch/m68k/include/asm/bitsperlong.h create mode 100644 arch/microblaze/include/asm/bitsperlong.h create mode 100644 arch/mips/include/asm/bitsperlong.h create mode 100644 arch/mn10300/include/asm/bitsperlong.h create mode 100644 arch/parisc/include/asm/bitsperlong.h create mode 100644 arch/powerpc/include/asm/bitsperlong.h create mode 100644 arch/s390/include/asm/bitsperlong.h create mode 100644 arch/sh/include/asm/bitsperlong.h create mode 100644 arch/sparc/include/asm/bitsperlong.h create mode 100644 arch/x86/include/asm/bitsperlong.h create mode 100644 arch/xtensa/include/asm/bitsperlong.h create mode 100644 include/asm-generic/bitsperlong.h (limited to 'include') diff --git a/arch/alpha/include/asm/bitsperlong.h b/arch/alpha/include/asm/bitsperlong.h new file mode 100644 index 000000000000..ad57f7868203 --- /dev/null +++ b/arch/alpha/include/asm/bitsperlong.h @@ -0,0 +1,8 @@ +#ifndef __ASM_ALPHA_BITSPERLONG_H +#define __ASM_ALPHA_BITSPERLONG_H + +#define __BITS_PER_LONG 64 + +#include + +#endif /* __ASM_ALPHA_BITSPERLONG_H */ diff --git a/arch/alpha/include/asm/types.h b/arch/alpha/include/asm/types.h index f072f344497e..bd621ecd1eb3 100644 --- a/arch/alpha/include/asm/types.h +++ b/arch/alpha/include/asm/types.h @@ -25,9 +25,6 @@ typedef unsigned int umode_t; * These aren't exported outside the kernel to avoid name space clashes */ #ifdef __KERNEL__ - -#define BITS_PER_LONG 64 - #ifndef __ASSEMBLY__ typedef u64 dma_addr_t; diff --git a/arch/arm/include/asm/bitsperlong.h b/arch/arm/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/arm/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/avr32/include/asm/bitsperlong.h b/arch/avr32/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/avr32/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/blackfin/include/asm/bitsperlong.h b/arch/blackfin/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/blackfin/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/cris/include/asm/bitsperlong.h b/arch/cris/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/cris/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/frv/include/asm/bitsperlong.h b/arch/frv/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/frv/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/h8300/include/asm/bitsperlong.h b/arch/h8300/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/h8300/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/ia64/include/asm/bitsperlong.h b/arch/ia64/include/asm/bitsperlong.h new file mode 100644 index 000000000000..ec4db3c970b7 --- /dev/null +++ b/arch/ia64/include/asm/bitsperlong.h @@ -0,0 +1,8 @@ +#ifndef __ASM_IA64_BITSPERLONG_H +#define __ASM_IA64_BITSPERLONG_H + +#define __BITS_PER_LONG 64 + +#include + +#endif /* __ASM_IA64_BITSPERLONG_H */ diff --git a/arch/ia64/include/asm/types.h b/arch/ia64/include/asm/types.h index e36b3716e718..fbf1ed3b44ce 100644 --- a/arch/ia64/include/asm/types.h +++ b/arch/ia64/include/asm/types.h @@ -19,10 +19,6 @@ # define __IA64_UL(x) (x) # define __IA64_UL_CONST(x) x -# ifdef __KERNEL__ -# define BITS_PER_LONG 64 -# endif - #else # define __IA64_UL(x) ((unsigned long)(x)) # define __IA64_UL_CONST(x) x##UL @@ -34,10 +30,7 @@ typedef unsigned int umode_t; */ # ifdef __KERNEL__ -#define BITS_PER_LONG 64 - /* DMA addresses are 64-bits wide, in general. */ - typedef u64 dma_addr_t; # endif /* __KERNEL__ */ diff --git a/arch/m32r/include/asm/bitsperlong.h b/arch/m32r/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/m32r/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/m68k/include/asm/bitsperlong.h b/arch/m68k/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/m68k/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/microblaze/include/asm/bitsperlong.h b/arch/microblaze/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/microblaze/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/mips/include/asm/bitsperlong.h b/arch/mips/include/asm/bitsperlong.h new file mode 100644 index 000000000000..3e4c10a8e787 --- /dev/null +++ b/arch/mips/include/asm/bitsperlong.h @@ -0,0 +1,8 @@ +#ifndef __ASM_MIPS_BITSPERLONG_H +#define __ASM_MIPS_BITSPERLONG_H + +#define __BITS_PER_LONG _MIPS_SZLONG + +#include + +#endif /* __ASM_MIPS_BITSPERLONG_H */ diff --git a/arch/mips/include/asm/types.h b/arch/mips/include/asm/types.h index 7956e69a3bd5..544a2854598f 100644 --- a/arch/mips/include/asm/types.h +++ b/arch/mips/include/asm/types.h @@ -31,9 +31,6 @@ typedef unsigned short umode_t; * These aren't exported outside the kernel to avoid name space clashes */ #ifdef __KERNEL__ - -#define BITS_PER_LONG _MIPS_SZLONG - #ifndef __ASSEMBLY__ #if (defined(CONFIG_HIGHMEM) && defined(CONFIG_64BIT_PHYS_ADDR)) \ diff --git a/arch/mn10300/include/asm/bitsperlong.h b/arch/mn10300/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/mn10300/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/parisc/include/asm/bitsperlong.h b/arch/parisc/include/asm/bitsperlong.h new file mode 100644 index 000000000000..75196b415d3f --- /dev/null +++ b/arch/parisc/include/asm/bitsperlong.h @@ -0,0 +1,20 @@ +#ifndef __ASM_PARISC_BITSPERLONG_H +#define __ASM_PARISC_BITSPERLONG_H + +/* + * using CONFIG_* outside of __KERNEL__ is wrong, + * __LP64__ was also removed from headers, so what + * is the right approach on parisc? + * -arnd + */ +#if (defined(__KERNEL__) && defined(CONFIG_64BIT)) || defined (__LP64__) +#define __BITS_PER_LONG 64 +#define SHIFT_PER_LONG 6 +#else +#define __BITS_PER_LONG 32 +#define SHIFT_PER_LONG 5 +#endif + +#include + +#endif /* __ASM_PARISC_BITSPERLONG_H */ diff --git a/arch/parisc/include/asm/types.h b/arch/parisc/include/asm/types.h index 7f5a39bfb4ce..20135cc80039 100644 --- a/arch/parisc/include/asm/types.h +++ b/arch/parisc/include/asm/types.h @@ -14,14 +14,6 @@ typedef unsigned short umode_t; */ #ifdef __KERNEL__ -#ifdef CONFIG_64BIT -#define BITS_PER_LONG 64 -#define SHIFT_PER_LONG 6 -#else -#define BITS_PER_LONG 32 -#define SHIFT_PER_LONG 5 -#endif - #ifndef __ASSEMBLY__ /* Dma addresses are 32-bits wide. */ diff --git a/arch/powerpc/include/asm/bitsperlong.h b/arch/powerpc/include/asm/bitsperlong.h new file mode 100644 index 000000000000..5f1659032c40 --- /dev/null +++ b/arch/powerpc/include/asm/bitsperlong.h @@ -0,0 +1,12 @@ +#ifndef __ASM_POWERPC_BITSPERLONG_H +#define __ASM_POWERPC_BITSPERLONG_H + +#if defined(__powerpc64__) +# define __BITS_PER_LONG 64 +#else +# define __BITS_PER_LONG 32 +#endif + +#include + +#endif /* __ASM_POWERPC_BITSPERLONG_H */ diff --git a/arch/powerpc/include/asm/types.h b/arch/powerpc/include/asm/types.h index 7ce27a52bb34..a5aea0ca34e9 100644 --- a/arch/powerpc/include/asm/types.h +++ b/arch/powerpc/include/asm/types.h @@ -40,15 +40,6 @@ typedef struct { #endif /* __ASSEMBLY__ */ #ifdef __KERNEL__ -/* - * These aren't exported outside the kernel to avoid name space clashes - */ -#ifdef __powerpc64__ -#define BITS_PER_LONG 64 -#else -#define BITS_PER_LONG 32 -#endif - #ifndef __ASSEMBLY__ typedef __vector128 vector128; diff --git a/arch/s390/include/asm/bitsperlong.h b/arch/s390/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6b235aea9c66 --- /dev/null +++ b/arch/s390/include/asm/bitsperlong.h @@ -0,0 +1,13 @@ +#ifndef __ASM_S390_BITSPERLONG_H +#define __ASM_S390_BITSPERLONG_H + +#ifndef __s390x__ +#define __BITS_PER_LONG 32 +#else +#define __BITS_PER_LONG 64 +#endif + +#include + +#endif /* __ASM_S390_BITSPERLONG_H */ + diff --git a/arch/s390/include/asm/types.h b/arch/s390/include/asm/types.h index 3dc3fc228812..04d6b95a89c6 100644 --- a/arch/s390/include/asm/types.h +++ b/arch/s390/include/asm/types.h @@ -28,12 +28,6 @@ typedef __signed__ long saddr_t; */ #ifdef __KERNEL__ -#ifndef __s390x__ -#define BITS_PER_LONG 32 -#else -#define BITS_PER_LONG 64 -#endif - #ifndef __ASSEMBLY__ typedef u64 dma64_addr_t; diff --git a/arch/sh/include/asm/bitsperlong.h b/arch/sh/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/sh/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/arch/sparc/include/asm/bitsperlong.h b/arch/sparc/include/asm/bitsperlong.h new file mode 100644 index 000000000000..40dcaa3aaa56 --- /dev/null +++ b/arch/sparc/include/asm/bitsperlong.h @@ -0,0 +1,13 @@ +#ifndef __ASM_ALPHA_BITSPERLONG_H +#define __ASM_ALPHA_BITSPERLONG_H + +#if defined(__sparc__) && defined(__arch64__) +#define __BITS_PER_LONG 64 +#else +#define __BITS_PER_LONG 32 +#endif + +#include + +#endif /* __ASM_ALPHA_BITSPERLONG_H */ + diff --git a/arch/sparc/include/asm/types.h b/arch/sparc/include/asm/types.h index 2237118825d0..de671d73baed 100644 --- a/arch/sparc/include/asm/types.h +++ b/arch/sparc/include/asm/types.h @@ -21,8 +21,6 @@ typedef unsigned short umode_t; #ifdef __KERNEL__ -#define BITS_PER_LONG 64 - #ifndef __ASSEMBLY__ /* Dma addresses come in generic and 64-bit flavours. */ @@ -46,8 +44,6 @@ typedef unsigned short umode_t; #ifdef __KERNEL__ -#define BITS_PER_LONG 32 - #ifndef __ASSEMBLY__ typedef u32 dma_addr_t; diff --git a/arch/x86/include/asm/bitsperlong.h b/arch/x86/include/asm/bitsperlong.h new file mode 100644 index 000000000000..b0ae1c4dc791 --- /dev/null +++ b/arch/x86/include/asm/bitsperlong.h @@ -0,0 +1,13 @@ +#ifndef __ASM_X86_BITSPERLONG_H +#define __ASM_X86_BITSPERLONG_H + +#ifdef __x86_64__ +# define __BITS_PER_LONG 64 +#else +# define __BITS_PER_LONG 32 +#endif + +#include + +#endif /* __ASM_X86_BITSPERLONG_H */ + diff --git a/arch/x86/include/asm/types.h b/arch/x86/include/asm/types.h index e6f736320077..09b97745772f 100644 --- a/arch/x86/include/asm/types.h +++ b/arch/x86/include/asm/types.h @@ -14,12 +14,6 @@ typedef unsigned short umode_t; */ #ifdef __KERNEL__ -#ifdef CONFIG_X86_32 -# define BITS_PER_LONG 32 -#else -# define BITS_PER_LONG 64 -#endif - #ifndef __ASSEMBLY__ typedef u64 dma64_addr_t; diff --git a/arch/xtensa/include/asm/bitsperlong.h b/arch/xtensa/include/asm/bitsperlong.h new file mode 100644 index 000000000000..6dc0bb0c13b2 --- /dev/null +++ b/arch/xtensa/include/asm/bitsperlong.h @@ -0,0 +1 @@ +#include diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index 460b08d51e2e..cbb437875f5c 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -1,3 +1,4 @@ +header-y += bitsperlong.h header-y += errno-base.h header-y += errno.h header-y += fcntl.h diff --git a/include/asm-generic/Kbuild.asm b/include/asm-generic/Kbuild.asm index 70d185534b9d..290910e4ede4 100644 --- a/include/asm-generic/Kbuild.asm +++ b/include/asm-generic/Kbuild.asm @@ -9,6 +9,7 @@ unifdef-y += a.out.h endif unifdef-y += auxvec.h unifdef-y += byteorder.h +unifdef-y += bitsperlong.h unifdef-y += errno.h unifdef-y += fcntl.h unifdef-y += ioctl.h diff --git a/include/asm-generic/bitsperlong.h b/include/asm-generic/bitsperlong.h new file mode 100644 index 000000000000..4ae54e07de83 --- /dev/null +++ b/include/asm-generic/bitsperlong.h @@ -0,0 +1,32 @@ +#ifndef __ASM_GENERIC_BITS_PER_LONG +#define __ASM_GENERIC_BITS_PER_LONG + +/* + * There seems to be no way of detecting this automatically from user + * space, so 64 bit architectures should override this in their + * bitsperlong.h. In particular, an architecture that supports + * both 32 and 64 bit user space must not rely on CONFIG_64BIT + * to decide it, but rather check a compiler provided macro. + */ +#ifndef __BITS_PER_LONG +#define __BITS_PER_LONG 32 +#endif + +#ifdef __KERNEL__ + +#ifdef CONFIG_64BIT +#define BITS_PER_LONG 64 +#else +#define BITS_PER_LONG 32 +#endif /* CONFIG_64BIT */ + +/* + * FIXME: The check currently breaks x86-64 build, so it's + * temporarily disabled. Please fix x86-64 and reenable + */ +#if 0 && BITS_PER_LONG != __BITS_PER_LONG +#error Inconsistent word size. Check asm/bitsperlong.h +#endif + +#endif /* __KERNEL__ */ +#endif /* __ASM_GENERIC_BITS_PER_LONG */ diff --git a/include/asm-generic/int-l64.h b/include/asm-generic/int-l64.h index 2af9b75d77db..1ca3efc976cc 100644 --- a/include/asm-generic/int-l64.h +++ b/include/asm-generic/int-l64.h @@ -8,6 +8,8 @@ #ifndef _ASM_GENERIC_INT_L64_H #define _ASM_GENERIC_INT_L64_H +#include + #ifndef __ASSEMBLY__ /* * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the diff --git a/include/asm-generic/int-ll64.h b/include/asm-generic/int-ll64.h index f9bc9ac29b36..f394147c0739 100644 --- a/include/asm-generic/int-ll64.h +++ b/include/asm-generic/int-ll64.h @@ -8,6 +8,8 @@ #ifndef _ASM_GENERIC_INT_LL64_H #define _ASM_GENERIC_INT_LL64_H +#include + #ifndef __ASSEMBLY__ /* * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the -- cgit v1.2.3 From 2864d32be31a20a4617e37a857dd9915a57e2efb Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:26 +0000 Subject: asm-generic: add generic sysv ipc headers The ipc64 data structures were originally meant to be architecture specific so that each architecture could add their own optimizations for padding. In the end, most of them just copied the x86 version, and most got that wrong. UClibc expects the x86 anyway, so we might just declare that the default and get rid of the extra copies. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- include/asm-generic/Kbuild | 5 ++++ include/asm-generic/ipcbuf.h | 34 ++++++++++++++++++++++++ include/asm-generic/msgbuf.h | 47 +++++++++++++++++++++++++++++++++ include/asm-generic/sembuf.h | 38 +++++++++++++++++++++++++++ include/asm-generic/shmbuf.h | 59 ++++++++++++++++++++++++++++++++++++++++++ include/asm-generic/shmparam.h | 6 +++++ 6 files changed, 189 insertions(+) create mode 100644 include/asm-generic/ipcbuf.h create mode 100644 include/asm-generic/msgbuf.h create mode 100644 include/asm-generic/sembuf.h create mode 100644 include/asm-generic/shmbuf.h create mode 100644 include/asm-generic/shmparam.h (limited to 'include') diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index cbb437875f5c..fd7a9c49df4e 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -3,8 +3,13 @@ header-y += errno-base.h header-y += errno.h header-y += fcntl.h header-y += ioctl.h +header-y += ipcbuf.h header-y += mman-common.h +header-y += msgbuf.h header-y += poll.h +header-y += sembuf.h +header-y += shmbuf.h +header-y += shmparam.h header-y += signal-defs.h header-y += statfs.h diff --git a/include/asm-generic/ipcbuf.h b/include/asm-generic/ipcbuf.h new file mode 100644 index 000000000000..76982b2a1b58 --- /dev/null +++ b/include/asm-generic/ipcbuf.h @@ -0,0 +1,34 @@ +#ifndef __ASM_GENERIC_IPCBUF_H +#define __ASM_GENERIC_IPCBUF_H + +/* + * The generic ipc64_perm structure: + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * ipc64_perm was originally meant to be architecture specific, but + * everyone just ended up making identical copies without specific + * optimizations, so we may just as well all use the same one. + * + * Pad space is left for: + * - 32-bit mode_t on architectures that only had 16 bit + * - 32-bit seq + * - 2 miscellaneous 32-bit values + */ + +struct ipc64_perm { + __kernel_key_t key; + __kernel_uid32_t uid; + __kernel_gid32_t gid; + __kernel_uid32_t cuid; + __kernel_gid32_t cgid; + __kernel_mode_t mode; + /* pad if mode_t is u16: */ + unsigned char __pad1[4 - sizeof(__kernel_mode_t)]; + unsigned short seq; + unsigned short __pad2; + unsigned long __unused1; + unsigned long __unused2; +}; + +#endif /* __ASM_GENERIC_IPCBUF_H */ diff --git a/include/asm-generic/msgbuf.h b/include/asm-generic/msgbuf.h new file mode 100644 index 000000000000..aec850d9159e --- /dev/null +++ b/include/asm-generic/msgbuf.h @@ -0,0 +1,47 @@ +#ifndef __ASM_GENERIC_MSGBUF_H +#define __ASM_GENERIC_MSGBUF_H + +#include +/* + * generic msqid64_ds structure. + * + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * msqid64_ds was originally meant to be architecture specific, but + * everyone just ended up making identical copies without specific + * optimizations, so we may just as well all use the same one. + * + * 64 bit architectures typically define a 64 bit __kernel_time_t, + * so they do not need the first three padding words. + * On big-endian systems, the padding is in the wrong place. + * + * Pad space is left for: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + */ + +struct msqid64_ds { + struct ipc64_perm msg_perm; + __kernel_time_t msg_stime; /* last msgsnd time */ +#if __BITS_PER_LONG != 64 + unsigned long __unused1; +#endif + __kernel_time_t msg_rtime; /* last msgrcv time */ +#if __BITS_PER_LONG != 64 + unsigned long __unused2; +#endif + __kernel_time_t msg_ctime; /* last change time */ +#if __BITS_PER_LONG != 64 + unsigned long __unused3; +#endif + unsigned long msg_cbytes; /* current number of bytes on queue */ + unsigned long msg_qnum; /* number of messages in queue */ + unsigned long msg_qbytes; /* max number of bytes on queue */ + __kernel_pid_t msg_lspid; /* pid of last msgsnd */ + __kernel_pid_t msg_lrpid; /* last receive pid */ + unsigned long __unused4; + unsigned long __unused5; +}; + +#endif /* __ASM_GENERIC_MSGBUF_H */ diff --git a/include/asm-generic/sembuf.h b/include/asm-generic/sembuf.h new file mode 100644 index 000000000000..4cb2c13e5090 --- /dev/null +++ b/include/asm-generic/sembuf.h @@ -0,0 +1,38 @@ +#ifndef __ASM_GENERIC_SEMBUF_H +#define __ASM_GENERIC_SEMBUF_H + +#include + +/* + * The semid64_ds structure for x86 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * semid64_ds was originally meant to be architecture specific, but + * everyone just ended up making identical copies without specific + * optimizations, so we may just as well all use the same one. + * + * 64 bit architectures typically define a 64 bit __kernel_time_t, + * so they do not need the first two padding words. + * On big-endian systems, the padding is in the wrong place. + * + * Pad space is left for: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + */ +struct semid64_ds { + struct ipc64_perm sem_perm; /* permissions .. see ipc.h */ + __kernel_time_t sem_otime; /* last semop time */ +#if __BITS_PER_LONG != 64 + unsigned long __unused1; +#endif + __kernel_time_t sem_ctime; /* last change time */ +#if __BITS_PER_LONG != 64 + unsigned long __unused2; +#endif + unsigned long sem_nsems; /* no. of semaphores in array */ + unsigned long __unused3; + unsigned long __unused4; +}; + +#endif /* __ASM_GENERIC_SEMBUF_H */ diff --git a/include/asm-generic/shmbuf.h b/include/asm-generic/shmbuf.h new file mode 100644 index 000000000000..5768fa60ac82 --- /dev/null +++ b/include/asm-generic/shmbuf.h @@ -0,0 +1,59 @@ +#ifndef __ASM_GENERIC_SHMBUF_H +#define __ASM_GENERIC_SHMBUF_H + +#include + +/* + * The shmid64_ds structure for x86 architecture. + * Note extra padding because this structure is passed back and forth + * between kernel and user space. + * + * shmid64_ds was originally meant to be architecture specific, but + * everyone just ended up making identical copies without specific + * optimizations, so we may just as well all use the same one. + * + * 64 bit architectures typically define a 64 bit __kernel_time_t, + * so they do not need the first two padding words. + * On big-endian systems, the padding is in the wrong place. + * + * + * Pad space is left for: + * - 64-bit time_t to solve y2038 problem + * - 2 miscellaneous 32-bit values + */ + +struct shmid64_ds { + struct ipc64_perm shm_perm; /* operation perms */ + size_t shm_segsz; /* size of segment (bytes) */ + __kernel_time_t shm_atime; /* last attach time */ +#if __BITS_PER_LONG != 64 + unsigned long __unused1; +#endif + __kernel_time_t shm_dtime; /* last detach time */ +#if __BITS_PER_LONG != 64 + unsigned long __unused2; +#endif + __kernel_time_t shm_ctime; /* last change time */ +#if __BITS_PER_LONG != 64 + unsigned long __unused3; +#endif + __kernel_pid_t shm_cpid; /* pid of creator */ + __kernel_pid_t shm_lpid; /* pid of last operator */ + unsigned long shm_nattch; /* no. of current attaches */ + unsigned long __unused4; + unsigned long __unused5; +}; + +struct shminfo64 { + unsigned long shmmax; + unsigned long shmmin; + unsigned long shmmni; + unsigned long shmseg; + unsigned long shmall; + unsigned long __unused1; + unsigned long __unused2; + unsigned long __unused3; + unsigned long __unused4; +}; + +#endif /* __ASM_GENERIC_SHMBUF_H */ diff --git a/include/asm-generic/shmparam.h b/include/asm-generic/shmparam.h new file mode 100644 index 000000000000..51a3852de733 --- /dev/null +++ b/include/asm-generic/shmparam.h @@ -0,0 +1,6 @@ +#ifndef __ASM_GENERIC_SHMPARAM_H +#define __ASM_GENERIC_SHMPARAM_H + +#define SHMLBA PAGE_SIZE /* attach addr a multiple of this */ + +#endif /* _ASM_GENERIC_SHMPARAM_H */ -- cgit v1.2.3 From 6103ec56c65c33774c7c38652c8204120c3c7519 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:27 +0000 Subject: asm-generic: add generic ABI headers These header files are typically copied from an existing architecture into any new one, slightly modified and then remain untouched until the end of time in the name of ABI stability. To make it easier for future architectures, provide a sane generic version here. In cases where multiple architectures already use identical code, I used the most common version. In cases like stat.h that are more or less broken everywhere, I provide a version that is meant to be ideal for new architectures. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- include/asm-generic/Kbuild | 15 +++ include/asm-generic/auxvec.h | 8 ++ include/asm-generic/ioctls.h | 110 +++++++++++++++++++++ include/asm-generic/mman.h | 18 ++++ include/asm-generic/param.h | 24 +++++ include/asm-generic/posix_types.h | 165 +++++++++++++++++++++++++++++++ include/asm-generic/setup.h | 6 ++ include/asm-generic/signal.h | 131 +++++++++++++++++++++++++ include/asm-generic/socket.h | 63 ++++++++++++ include/asm-generic/sockios.h | 13 +++ include/asm-generic/stat.h | 72 ++++++++++++++ include/asm-generic/swab.h | 18 ++++ include/asm-generic/termbits.h | 198 ++++++++++++++++++++++++++++++++++++++ include/asm-generic/termios.h | 154 +++++++++++++++++++++++++++++ include/asm-generic/types.h | 42 ++++++++ include/asm-generic/ucontext.h | 12 +++ 16 files changed, 1049 insertions(+) create mode 100644 include/asm-generic/auxvec.h create mode 100644 include/asm-generic/ioctls.h create mode 100644 include/asm-generic/mman.h create mode 100644 include/asm-generic/param.h create mode 100644 include/asm-generic/posix_types.h create mode 100644 include/asm-generic/setup.h create mode 100644 include/asm-generic/signal.h create mode 100644 include/asm-generic/socket.h create mode 100644 include/asm-generic/sockios.h create mode 100644 include/asm-generic/stat.h create mode 100644 include/asm-generic/swab.h create mode 100644 include/asm-generic/termbits.h create mode 100644 include/asm-generic/termios.h create mode 100644 include/asm-generic/types.h create mode 100644 include/asm-generic/ucontext.h (limited to 'include') diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index fd7a9c49df4e..11a78b8e2fc9 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -1,17 +1,32 @@ +header-y += auxvec.h header-y += bitsperlong.h header-y += errno-base.h header-y += errno.h header-y += fcntl.h header-y += ioctl.h +header-y += ioctls.h header-y += ipcbuf.h header-y += mman-common.h +header-y += mman.h header-y += msgbuf.h +header-y += param.h header-y += poll.h +header-y += posix_types.h header-y += sembuf.h +header-y += setup.h header-y += shmbuf.h header-y += shmparam.h header-y += signal-defs.h +header-y += signal.h +header-y += socket.h +header-y += sockios.h +header-y += stat.h header-y += statfs.h +header-y += swab.h +header-y += termbits.h +header-y += termios.h +header-y += types.h +header-y += ucontext.h unifdef-y += int-l64.h unifdef-y += int-ll64.h diff --git a/include/asm-generic/auxvec.h b/include/asm-generic/auxvec.h new file mode 100644 index 000000000000..b99573b0ad12 --- /dev/null +++ b/include/asm-generic/auxvec.h @@ -0,0 +1,8 @@ +#ifndef __ASM_GENERIC_AUXVEC_H +#define __ASM_GENERIC_AUXVEC_H +/* + * Not all architectures need their own auxvec.h, the most + * common definitions are already in linux/auxvec.h. + */ + +#endif /* __ASM_GENERIC_AUXVEC_H */ diff --git a/include/asm-generic/ioctls.h b/include/asm-generic/ioctls.h new file mode 100644 index 000000000000..a799e20a769e --- /dev/null +++ b/include/asm-generic/ioctls.h @@ -0,0 +1,110 @@ +#ifndef __ASM_GENERIC_IOCTLS_H +#define __ASM_GENERIC_IOCTLS_H + +#include + +/* + * These are the most common definitions for tty ioctl numbers. + * Most of them do not use the recommended _IOC(), but there is + * probably some source code out there hardcoding the number, + * so we might as well use them for all new platforms. + * + * The architectures that use different values here typically + * try to be compatible with some Unix variants for the same + * architecture. + */ + +/* 0x54 is just a magic number to make these relatively unique ('T') */ + +#define TCGETS 0x5401 +#define TCSETS 0x5402 +#define TCSETSW 0x5403 +#define TCSETSF 0x5404 +#define TCGETA 0x5405 +#define TCSETA 0x5406 +#define TCSETAW 0x5407 +#define TCSETAF 0x5408 +#define TCSBRK 0x5409 +#define TCXONC 0x540A +#define TCFLSH 0x540B +#define TIOCEXCL 0x540C +#define TIOCNXCL 0x540D +#define TIOCSCTTY 0x540E +#define TIOCGPGRP 0x540F +#define TIOCSPGRP 0x5410 +#define TIOCOUTQ 0x5411 +#define TIOCSTI 0x5412 +#define TIOCGWINSZ 0x5413 +#define TIOCSWINSZ 0x5414 +#define TIOCMGET 0x5415 +#define TIOCMBIS 0x5416 +#define TIOCMBIC 0x5417 +#define TIOCMSET 0x5418 +#define TIOCGSOFTCAR 0x5419 +#define TIOCSSOFTCAR 0x541A +#define FIONREAD 0x541B +#define TIOCINQ FIONREAD +#define TIOCLINUX 0x541C +#define TIOCCONS 0x541D +#define TIOCGSERIAL 0x541E +#define TIOCSSERIAL 0x541F +#define TIOCPKT 0x5420 +#define FIONBIO 0x5421 +#define TIOCNOTTY 0x5422 +#define TIOCSETD 0x5423 +#define TIOCGETD 0x5424 +#define TCSBRKP 0x5425 /* Needed for POSIX tcsendbreak() */ +#define TIOCSBRK 0x5427 /* BSD compatibility */ +#define TIOCCBRK 0x5428 /* BSD compatibility */ +#define TIOCGSID 0x5429 /* Return the session ID of FD */ +#define TCGETS2 _IOR('T', 0x2A, struct termios2) +#define TCSETS2 _IOW('T', 0x2B, struct termios2) +#define TCSETSW2 _IOW('T', 0x2C, struct termios2) +#define TCSETSF2 _IOW('T', 0x2D, struct termios2) +#define TIOCGRS485 0x542E +#define TIOCSRS485 0x542F +#define TIOCGPTN _IOR('T', 0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ +#define TIOCSPTLCK _IOW('T', 0x31, int) /* Lock/unlock Pty */ +#define TCGETX 0x5432 /* SYS5 TCGETX compatibility */ +#define TCSETX 0x5433 +#define TCSETXF 0x5434 +#define TCSETXW 0x5435 + +#define FIONCLEX 0x5450 +#define FIOCLEX 0x5451 +#define FIOASYNC 0x5452 +#define TIOCSERCONFIG 0x5453 +#define TIOCSERGWILD 0x5454 +#define TIOCSERSWILD 0x5455 +#define TIOCGLCKTRMIOS 0x5456 +#define TIOCSLCKTRMIOS 0x5457 +#define TIOCSERGSTRUCT 0x5458 /* For debugging only */ +#define TIOCSERGETLSR 0x5459 /* Get line status register */ +#define TIOCSERGETMULTI 0x545A /* Get multiport config */ +#define TIOCSERSETMULTI 0x545B /* Set multiport config */ + +#define TIOCMIWAIT 0x545C /* wait for a change on serial input line(s) */ +#define TIOCGICOUNT 0x545D /* read serial port inline interrupt counts */ + +/* + * some architectures define FIOQSIZE as 0x545E, which is used for + * TIOCGHAYESESP on others + */ +#ifndef FIOQSIZE +# define TIOCGHAYESESP 0x545E /* Get Hayes ESP configuration */ +# define TIOCSHAYESESP 0x545F /* Set Hayes ESP configuration */ +# define FIOQSIZE 0x5460 +#endif + +/* Used for packet mode */ +#define TIOCPKT_DATA 0 +#define TIOCPKT_FLUSHREAD 1 +#define TIOCPKT_FLUSHWRITE 2 +#define TIOCPKT_STOP 4 +#define TIOCPKT_START 8 +#define TIOCPKT_NOSTOP 16 +#define TIOCPKT_DOSTOP 32 + +#define TIOCSER_TEMT 0x01 /* Transmitter physically empty */ + +#endif /* __ASM_GENERIC_IOCTLS_H */ diff --git a/include/asm-generic/mman.h b/include/asm-generic/mman.h new file mode 100644 index 000000000000..7cab4de2bca6 --- /dev/null +++ b/include/asm-generic/mman.h @@ -0,0 +1,18 @@ +#ifndef __ASM_GENERIC_MMAN_H +#define __ASM_GENERIC_MMAN_H + +#include + +#define MAP_GROWSDOWN 0x0100 /* stack-like segment */ +#define MAP_DENYWRITE 0x0800 /* ETXTBSY */ +#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */ +#define MAP_LOCKED 0x2000 /* pages are locked */ +#define MAP_NORESERVE 0x4000 /* don't check for reservations */ +#define MAP_POPULATE 0x8000 /* populate (prefault) pagetables */ +#define MAP_NONBLOCK 0x10000 /* do not block on IO */ +#define MAP_STACK 0x20000 /* give out an address that is best suited for process/thread stacks */ + +#define MCL_CURRENT 1 /* lock all current mappings */ +#define MCL_FUTURE 2 /* lock all future mappings */ + +#endif /* __ASM_GENERIC_MMAN_H */ diff --git a/include/asm-generic/param.h b/include/asm-generic/param.h new file mode 100644 index 000000000000..cdf8251bfb6c --- /dev/null +++ b/include/asm-generic/param.h @@ -0,0 +1,24 @@ +#ifndef __ASM_GENERIC_PARAM_H +#define __ASM_GENERIC_PARAM_H + +#ifdef __KERNEL__ +# define HZ CONFIG_HZ /* Internal kernel timer frequency */ +# define USER_HZ 100 /* some user interfaces are */ +# define CLOCKS_PER_SEC (USER_HZ) /* in "ticks" like times() */ +#endif + +#ifndef HZ +#define HZ 100 +#endif + +#ifndef EXEC_PAGESIZE +#define EXEC_PAGESIZE 4096 +#endif + +#ifndef NOGROUP +#define NOGROUP (-1) +#endif + +#define MAXHOSTNAMELEN 64 /* max length of hostname */ + +#endif /* __ASM_GENERIC_PARAM_H */ diff --git a/include/asm-generic/posix_types.h b/include/asm-generic/posix_types.h new file mode 100644 index 000000000000..3dab00860e71 --- /dev/null +++ b/include/asm-generic/posix_types.h @@ -0,0 +1,165 @@ +#ifndef __ASM_GENERIC_POSIX_TYPES_H +#define __ASM_GENERIC_POSIX_TYPES_H + +#include +/* + * This file is generally used by user-level software, so you need to + * be a little careful about namespace pollution etc. + * + * First the types that are often defined in different ways across + * architectures, so that you can override them. + */ + +#ifndef __kernel_ino_t +typedef unsigned long __kernel_ino_t; +#endif + +#ifndef __kernel_mode_t +typedef unsigned int __kernel_mode_t; +#endif + +#ifndef __kernel_nlink_t +typedef unsigned long __kernel_nlink_t; +#endif + +#ifndef __kernel_pid_t +typedef int __kernel_pid_t; +#endif + +#ifndef __kernel_ipc_pid_t +typedef int __kernel_ipc_pid_t; +#endif + +#ifndef __kernel_uid_t +typedef unsigned int __kernel_uid_t; +typedef unsigned int __kernel_gid_t; +#endif + +#ifndef __kernel_suseconds_t +typedef long __kernel_suseconds_t; +#endif + +#ifndef __kernel_daddr_t +typedef int __kernel_daddr_t; +#endif + +#ifndef __kernel_uid32_t +typedef __kernel_uid_t __kernel_uid32_t; +typedef __kernel_gid_t __kernel_gid32_t; +#endif + +#ifndef __kernel_old_uid_t +typedef __kernel_uid_t __kernel_old_uid_t; +typedef __kernel_gid_t __kernel_old_gid_t; +#endif + +#ifndef __kernel_old_dev_t +typedef unsigned int __kernel_old_dev_t; +#endif + +/* + * Most 32 bit architectures use "unsigned int" size_t, + * and all 64 bit architectures use "unsigned long" size_t. + */ +#ifndef __kernel_size_t +#if __BITS_PER_LONG != 64 +typedef unsigned int __kernel_size_t; +typedef int __kernel_ssize_t; +typedef int __kernel_ptrdiff_t; +#else +typedef unsigned long __kernel_size_t; +typedef long __kernel_ssize_t; +typedef long __kernel_ptrdiff_t; +#endif +#endif + +/* + * anything below here should be completely generic + */ +typedef long __kernel_off_t; +typedef long long __kernel_loff_t; +typedef long __kernel_time_t; +typedef long __kernel_clock_t; +typedef int __kernel_timer_t; +typedef int __kernel_clockid_t; +typedef char * __kernel_caddr_t; +typedef unsigned short __kernel_uid16_t; +typedef unsigned short __kernel_gid16_t; + +typedef struct { + int val[2]; +} __kernel_fsid_t; + +#ifdef __KERNEL__ + +#undef __FD_SET +static inline void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp) +{ + unsigned long __tmp = __fd / __NFDBITS; + unsigned long __rem = __fd % __NFDBITS; + __fdsetp->fds_bits[__tmp] |= (1UL<<__rem); +} + +#undef __FD_CLR +static inline void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp) +{ + unsigned long __tmp = __fd / __NFDBITS; + unsigned long __rem = __fd % __NFDBITS; + __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem); +} + +#undef __FD_ISSET +static inline int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p) +{ + unsigned long __tmp = __fd / __NFDBITS; + unsigned long __rem = __fd % __NFDBITS; + return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0; +} + +/* + * This will unroll the loop for the normal constant case (8 ints, + * for a 256-bit fd_set) + */ +#undef __FD_ZERO +static inline void __FD_ZERO(__kernel_fd_set *__p) +{ + unsigned long *__tmp = __p->fds_bits; + int __i; + + if (__builtin_constant_p(__FDSET_LONGS)) { + switch (__FDSET_LONGS) { + case 16: + __tmp[ 0] = 0; __tmp[ 1] = 0; + __tmp[ 2] = 0; __tmp[ 3] = 0; + __tmp[ 4] = 0; __tmp[ 5] = 0; + __tmp[ 6] = 0; __tmp[ 7] = 0; + __tmp[ 8] = 0; __tmp[ 9] = 0; + __tmp[10] = 0; __tmp[11] = 0; + __tmp[12] = 0; __tmp[13] = 0; + __tmp[14] = 0; __tmp[15] = 0; + return; + + case 8: + __tmp[ 0] = 0; __tmp[ 1] = 0; + __tmp[ 2] = 0; __tmp[ 3] = 0; + __tmp[ 4] = 0; __tmp[ 5] = 0; + __tmp[ 6] = 0; __tmp[ 7] = 0; + return; + + case 4: + __tmp[ 0] = 0; __tmp[ 1] = 0; + __tmp[ 2] = 0; __tmp[ 3] = 0; + return; + } + } + __i = __FDSET_LONGS; + while (__i) { + __i--; + *__tmp = 0; + __tmp++; + } +} + +#endif /* __KERNEL__ */ + +#endif /* __ASM_GENERIC_POSIX_TYPES_H */ diff --git a/include/asm-generic/setup.h b/include/asm-generic/setup.h new file mode 100644 index 000000000000..6fc26a51003c --- /dev/null +++ b/include/asm-generic/setup.h @@ -0,0 +1,6 @@ +#ifndef __ASM_GENERIC_SETUP_H +#define __ASM_GENERIC_SETUP_H + +#define COMMAND_LINE_SIZE 512 + +#endif /* __ASM_GENERIC_SETUP_H */ diff --git a/include/asm-generic/signal.h b/include/asm-generic/signal.h new file mode 100644 index 000000000000..555c0aee8a47 --- /dev/null +++ b/include/asm-generic/signal.h @@ -0,0 +1,131 @@ +#ifndef __ASM_GENERIC_SIGNAL_H +#define __ASM_GENERIC_SIGNAL_H + +#include + +#define _NSIG 64 +#define _NSIG_BPW __BITS_PER_LONG +#define _NSIG_WORDS (_NSIG / _NSIG_BPW) + +#define SIGHUP 1 +#define SIGINT 2 +#define SIGQUIT 3 +#define SIGILL 4 +#define SIGTRAP 5 +#define SIGABRT 6 +#define SIGIOT 6 +#define SIGBUS 7 +#define SIGFPE 8 +#define SIGKILL 9 +#define SIGUSR1 10 +#define SIGSEGV 11 +#define SIGUSR2 12 +#define SIGPIPE 13 +#define SIGALRM 14 +#define SIGTERM 15 +#define SIGSTKFLT 16 +#define SIGCHLD 17 +#define SIGCONT 18 +#define SIGSTOP 19 +#define SIGTSTP 20 +#define SIGTTIN 21 +#define SIGTTOU 22 +#define SIGURG 23 +#define SIGXCPU 24 +#define SIGXFSZ 25 +#define SIGVTALRM 26 +#define SIGPROF 27 +#define SIGWINCH 28 +#define SIGIO 29 +#define SIGPOLL SIGIO +/* +#define SIGLOST 29 +*/ +#define SIGPWR 30 +#define SIGSYS 31 +#define SIGUNUSED 31 + +/* These should not be considered constants from userland. */ +#define SIGRTMIN 32 +#ifndef SIGRTMAX +#define SIGRTMAX _NSIG +#endif + +/* + * SA_FLAGS values: + * + * SA_ONSTACK indicates that a registered stack_t will be used. + * SA_RESTART flag to get restarting signals (which were the default long ago) + * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop. + * SA_RESETHAND clears the handler when the signal is delivered. + * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies. + * SA_NODEFER prevents the current signal from being masked in the handler. + * + * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single + * Unix names RESETHAND and NODEFER respectively. + */ +#define SA_NOCLDSTOP 0x00000001 +#define SA_NOCLDWAIT 0x00000002 +#define SA_SIGINFO 0x00000004 +#define SA_ONSTACK 0x08000000 +#define SA_RESTART 0x10000000 +#define SA_NODEFER 0x40000000 +#define SA_RESETHAND 0x80000000 + +#define SA_NOMASK SA_NODEFER +#define SA_ONESHOT SA_RESETHAND + +/* + * New architectures should not define the obsolete + * SA_RESTORER 0x04000000 + */ + +/* + * sigaltstack controls + */ +#define SS_ONSTACK 1 +#define SS_DISABLE 2 + +#define MINSIGSTKSZ 2048 +#define SIGSTKSZ 8192 + +#ifndef __ASSEMBLY__ +typedef struct { + unsigned long sig[_NSIG_WORDS]; +} sigset_t; + +/* not actually used, but required for linux/syscalls.h */ +typedef unsigned long old_sigset_t; + +#include + +struct sigaction { + __sighandler_t sa_handler; + unsigned long sa_flags; +#ifdef SA_RESTORER + __sigrestore_t sa_restorer; +#endif + sigset_t sa_mask; /* mask last for extensibility */ +}; + +struct k_sigaction { + struct sigaction sa; +}; + +typedef struct sigaltstack { + void __user *ss_sp; + int ss_flags; + size_t ss_size; +} stack_t; + +#ifdef __KERNEL__ + +#include +#undef __HAVE_ARCH_SIG_BITOPS + +#define ptrace_signal_deliver(regs, cookie) do { } while (0) + +#endif /* __KERNEL__ */ +#endif /* __ASSEMBLY__ */ + +#endif /* _ASM_GENERIC_SIGNAL_H */ diff --git a/include/asm-generic/socket.h b/include/asm-generic/socket.h new file mode 100644 index 000000000000..5d79e409241c --- /dev/null +++ b/include/asm-generic/socket.h @@ -0,0 +1,63 @@ +#ifndef __ASM_GENERIC_SOCKET_H +#define __ASM_GENERIC_SOCKET_H + +#include + +/* For setsockopt(2) */ +#define SOL_SOCKET 1 + +#define SO_DEBUG 1 +#define SO_REUSEADDR 2 +#define SO_TYPE 3 +#define SO_ERROR 4 +#define SO_DONTROUTE 5 +#define SO_BROADCAST 6 +#define SO_SNDBUF 7 +#define SO_RCVBUF 8 +#define SO_SNDBUFFORCE 32 +#define SO_RCVBUFFORCE 33 +#define SO_KEEPALIVE 9 +#define SO_OOBINLINE 10 +#define SO_NO_CHECK 11 +#define SO_PRIORITY 12 +#define SO_LINGER 13 +#define SO_BSDCOMPAT 14 +/* To add :#define SO_REUSEPORT 15 */ + +#ifndef SO_PASSCRED /* powerpc only differs in these */ +#define SO_PASSCRED 16 +#define SO_PEERCRED 17 +#define SO_RCVLOWAT 18 +#define SO_SNDLOWAT 19 +#define SO_RCVTIMEO 20 +#define SO_SNDTIMEO 21 +#endif + +/* Security levels - as per NRL IPv6 - don't actually do anything */ +#define SO_SECURITY_AUTHENTICATION 22 +#define SO_SECURITY_ENCRYPTION_TRANSPORT 23 +#define SO_SECURITY_ENCRYPTION_NETWORK 24 + +#define SO_BINDTODEVICE 25 + +/* Socket filtering */ +#define SO_ATTACH_FILTER 26 +#define SO_DETACH_FILTER 27 + +#define SO_PEERNAME 28 +#define SO_TIMESTAMP 29 +#define SCM_TIMESTAMP SO_TIMESTAMP + +#define SO_ACCEPTCONN 30 + +#define SO_PEERSEC 31 +#define SO_PASSSEC 34 +#define SO_TIMESTAMPNS 35 +#define SCM_TIMESTAMPNS SO_TIMESTAMPNS + +#define SO_MARK 36 + +#define SO_TIMESTAMPING 37 +#define SCM_TIMESTAMPING SO_TIMESTAMPING + +#endif /* __ASM_GENERIC_SOCKET_H */ diff --git a/include/asm-generic/sockios.h b/include/asm-generic/sockios.h new file mode 100644 index 000000000000..9a61a369b901 --- /dev/null +++ b/include/asm-generic/sockios.h @@ -0,0 +1,13 @@ +#ifndef __ASM_GENERIC_SOCKIOS_H +#define __ASM_GENERIC_SOCKIOS_H + +/* Socket-level I/O control calls. */ +#define FIOSETOWN 0x8901 +#define SIOCSPGRP 0x8902 +#define FIOGETOWN 0x8903 +#define SIOCGPGRP 0x8904 +#define SIOCATMARK 0x8905 +#define SIOCGSTAMP 0x8906 /* Get stamp (timeval) */ +#define SIOCGSTAMPNS 0x8907 /* Get stamp (timespec) */ + +#endif /* __ASM_GENERIC_SOCKIOS_H */ diff --git a/include/asm-generic/stat.h b/include/asm-generic/stat.h new file mode 100644 index 000000000000..47e64170305d --- /dev/null +++ b/include/asm-generic/stat.h @@ -0,0 +1,72 @@ +#ifndef __ASM_GENERIC_STAT_H +#define __ASM_GENERIC_STAT_H + +/* + * Everybody gets this wrong and has to stick with it for all + * eternity. Hopefully, this version gets used by new architectures + * so they don't fall into the same traps. + * + * stat64 is copied from powerpc64, with explicit padding added. + * stat is the same structure layout on 64-bit, without the 'long long' + * types. + * + * By convention, 64 bit architectures use the stat interface, while + * 32 bit architectures use the stat64 interface. Note that we don't + * provide an __old_kernel_stat here, which new architecture should + * not have to start with. + */ + +#include + +#define STAT_HAVE_NSEC 1 + +struct stat { + unsigned long st_dev; /* Device. */ + unsigned long st_ino; /* File serial number. */ + unsigned int st_mode; /* File mode. */ + unsigned int st_nlink; /* Link count. */ + unsigned int st_uid; /* User ID of the file's owner. */ + unsigned int st_gid; /* Group ID of the file's group. */ + unsigned long st_rdev; /* Device number, if device. */ + unsigned long __pad1; + long st_size; /* Size of file, in bytes. */ + int st_blksize; /* Optimal block size for I/O. */ + int __pad2; + long st_blocks; /* Number 512-byte blocks allocated. */ + int st_atime; /* Time of last access. */ + unsigned int st_atime_nsec; + int st_mtime; /* Time of last modification. */ + unsigned int st_mtime_nsec; + int st_ctime; /* Time of last status change. */ + unsigned int st_ctime_nsec; + unsigned int __unused4; + unsigned int __unused5; +}; + +#if __BITS_PER_LONG != 64 +/* This matches struct stat64 in glibc2.1. Only used for 32 bit. */ +struct stat64 { + unsigned long long st_dev; /* Device. */ + unsigned long long st_ino; /* File serial number. */ + unsigned int st_mode; /* File mode. */ + unsigned int st_nlink; /* Link count. */ + unsigned int st_uid; /* User ID of the file's owner. */ + unsigned int st_gid; /* Group ID of the file's group. */ + unsigned long long st_rdev; /* Device number, if device. */ + unsigned long long __pad1; + long long st_size; /* Size of file, in bytes. */ + int st_blksize; /* Optimal block size for I/O. */ + int __pad2; + long long st_blocks; /* Number 512-byte blocks allocated. */ + int st_atime; /* Time of last access. */ + unsigned int st_atime_nsec; + int st_mtime; /* Time of last modification. */ + unsigned int st_mtime_nsec; + int st_ctime; /* Time of last status change. */ + unsigned int st_ctime_nsec; + unsigned int __unused4; + unsigned int __unused5; +}; +#endif + +#endif /* __ASM_GENERIC_STAT_H */ diff --git a/include/asm-generic/swab.h b/include/asm-generic/swab.h new file mode 100644 index 000000000000..a8e9029d9eba --- /dev/null +++ b/include/asm-generic/swab.h @@ -0,0 +1,18 @@ +#ifndef _ASM_GENERIC_SWAB_H +#define _ASM_GENERIC_SWAB_H + +#include + +/* + * 32 bit architectures typically (but not always) want to + * set __SWAB_64_THRU_32__. In user space, this is only + * valid if the compiler supports 64 bit data types. + */ + +#if __BITS_PER_LONG == 32 +#if defined(__GNUC__) && !defined(__STRICT_ANSI__) || defined(__KERNEL__) +#define __SWAB_64_THRU_32__ +#endif +#endif + +#endif /* _ASM_GENERIC_SWAB_H */ diff --git a/include/asm-generic/termbits.h b/include/asm-generic/termbits.h new file mode 100644 index 000000000000..1c9773d48cb0 --- /dev/null +++ b/include/asm-generic/termbits.h @@ -0,0 +1,198 @@ +#ifndef __ASM_GENERIC_TERMBITS_H +#define __ASM_GENERIC_TERMBITS_H + +#include + +typedef unsigned char cc_t; +typedef unsigned int speed_t; +typedef unsigned int tcflag_t; + +#define NCCS 19 +struct termios { + tcflag_t c_iflag; /* input mode flags */ + tcflag_t c_oflag; /* output mode flags */ + tcflag_t c_cflag; /* control mode flags */ + tcflag_t c_lflag; /* local mode flags */ + cc_t c_line; /* line discipline */ + cc_t c_cc[NCCS]; /* control characters */ +}; + +struct termios2 { + tcflag_t c_iflag; /* input mode flags */ + tcflag_t c_oflag; /* output mode flags */ + tcflag_t c_cflag; /* control mode flags */ + tcflag_t c_lflag; /* local mode flags */ + cc_t c_line; /* line discipline */ + cc_t c_cc[NCCS]; /* control characters */ + speed_t c_ispeed; /* input speed */ + speed_t c_ospeed; /* output speed */ +}; + +struct ktermios { + tcflag_t c_iflag; /* input mode flags */ + tcflag_t c_oflag; /* output mode flags */ + tcflag_t c_cflag; /* control mode flags */ + tcflag_t c_lflag; /* local mode flags */ + cc_t c_line; /* line discipline */ + cc_t c_cc[NCCS]; /* control characters */ + speed_t c_ispeed; /* input speed */ + speed_t c_ospeed; /* output speed */ +}; + +/* c_cc characters */ +#define VINTR 0 +#define VQUIT 1 +#define VERASE 2 +#define VKILL 3 +#define VEOF 4 +#define VTIME 5 +#define VMIN 6 +#define VSWTC 7 +#define VSTART 8 +#define VSTOP 9 +#define VSUSP 10 +#define VEOL 11 +#define VREPRINT 12 +#define VDISCARD 13 +#define VWERASE 14 +#define VLNEXT 15 +#define VEOL2 16 + +/* c_iflag bits */ +#define IGNBRK 0000001 +#define BRKINT 0000002 +#define IGNPAR 0000004 +#define PARMRK 0000010 +#define INPCK 0000020 +#define ISTRIP 0000040 +#define INLCR 0000100 +#define IGNCR 0000200 +#define ICRNL 0000400 +#define IUCLC 0001000 +#define IXON 0002000 +#define IXANY 0004000 +#define IXOFF 0010000 +#define IMAXBEL 0020000 +#define IUTF8 0040000 + +/* c_oflag bits */ +#define OPOST 0000001 +#define OLCUC 0000002 +#define ONLCR 0000004 +#define OCRNL 0000010 +#define ONOCR 0000020 +#define ONLRET 0000040 +#define OFILL 0000100 +#define OFDEL 0000200 +#define NLDLY 0000400 +#define NL0 0000000 +#define NL1 0000400 +#define CRDLY 0003000 +#define CR0 0000000 +#define CR1 0001000 +#define CR2 0002000 +#define CR3 0003000 +#define TABDLY 0014000 +#define TAB0 0000000 +#define TAB1 0004000 +#define TAB2 0010000 +#define TAB3 0014000 +#define XTABS 0014000 +#define BSDLY 0020000 +#define BS0 0000000 +#define BS1 0020000 +#define VTDLY 0040000 +#define VT0 0000000 +#define VT1 0040000 +#define FFDLY 0100000 +#define FF0 0000000 +#define FF1 0100000 + +/* c_cflag bit meaning */ +#define CBAUD 0010017 +#define B0 0000000 /* hang up */ +#define B50 0000001 +#define B75 0000002 +#define B110 0000003 +#define B134 0000004 +#define B150 0000005 +#define B200 0000006 +#define B300 0000007 +#define B600 0000010 +#define B1200 0000011 +#define B1800 0000012 +#define B2400 0000013 +#define B4800 0000014 +#define B9600 0000015 +#define B19200 0000016 +#define B38400 0000017 +#define EXTA B19200 +#define EXTB B38400 +#define CSIZE 0000060 +#define CS5 0000000 +#define CS6 0000020 +#define CS7 0000040 +#define CS8 0000060 +#define CSTOPB 0000100 +#define CREAD 0000200 +#define PARENB 0000400 +#define PARODD 0001000 +#define HUPCL 0002000 +#define CLOCAL 0004000 +#define CBAUDEX 0010000 +#define BOTHER 0010000 +#define B57600 0010001 +#define B115200 0010002 +#define B230400 0010003 +#define B460800 0010004 +#define B500000 0010005 +#define B576000 0010006 +#define B921600 0010007 +#define B1000000 0010010 +#define B1152000 0010011 +#define B1500000 0010012 +#define B2000000 0010013 +#define B2500000 0010014 +#define B3000000 0010015 +#define B3500000 0010016 +#define B4000000 0010017 +#define CIBAUD 002003600000 /* input baud rate */ +#define CMSPAR 010000000000 /* mark or space (stick) parity */ +#define CRTSCTS 020000000000 /* flow control */ + +#define IBSHIFT 16 /* Shift from CBAUD to CIBAUD */ + +/* c_lflag bits */ +#define ISIG 0000001 +#define ICANON 0000002 +#define XCASE 0000004 +#define ECHO 0000010 +#define ECHOE 0000020 +#define ECHOK 0000040 +#define ECHONL 0000100 +#define NOFLSH 0000200 +#define TOSTOP 0000400 +#define ECHOCTL 0001000 +#define ECHOPRT 0002000 +#define ECHOKE 0004000 +#define FLUSHO 0010000 +#define PENDIN 0040000 +#define IEXTEN 0100000 + +/* tcflow() and TCXONC use these */ +#define TCOOFF 0 +#define TCOON 1 +#define TCIOFF 2 +#define TCION 3 + +/* tcflush() and TCFLSH use these */ +#define TCIFLUSH 0 +#define TCOFLUSH 1 +#define TCIOFLUSH 2 + +/* tcsetattr uses these */ +#define TCSANOW 0 +#define TCSADRAIN 1 +#define TCSAFLUSH 2 + +#endif /* __ASM_GENERIC_TERMBITS_H */ diff --git a/include/asm-generic/termios.h b/include/asm-generic/termios.h new file mode 100644 index 000000000000..d0922adc56d4 --- /dev/null +++ b/include/asm-generic/termios.h @@ -0,0 +1,154 @@ +#ifndef _ASM_GENERIC_TERMIOS_H +#define _ASM_GENERIC_TERMIOS_H +/* + * Most architectures have straight copies of the x86 code, with + * varying levels of bug fixes on top. Usually it's a good idea + * to use this generic version instead, but be careful to avoid + * ABI changes. + * New architectures should not provide their own version. + */ + +#include +#include + +struct winsize { + unsigned short ws_row; + unsigned short ws_col; + unsigned short ws_xpixel; + unsigned short ws_ypixel; +}; + +#define NCC 8 +struct termio { + unsigned short c_iflag; /* input mode flags */ + unsigned short c_oflag; /* output mode flags */ + unsigned short c_cflag; /* control mode flags */ + unsigned short c_lflag; /* local mode flags */ + unsigned char c_line; /* line discipline */ + unsigned char c_cc[NCC]; /* control characters */ +}; + +/* modem lines */ +#define TIOCM_LE 0x001 +#define TIOCM_DTR 0x002 +#define TIOCM_RTS 0x004 +#define TIOCM_ST 0x008 +#define TIOCM_SR 0x010 +#define TIOCM_CTS 0x020 +#define TIOCM_CAR 0x040 +#define TIOCM_RNG 0x080 +#define TIOCM_DSR 0x100 +#define TIOCM_CD TIOCM_CAR +#define TIOCM_RI TIOCM_RNG +#define TIOCM_OUT1 0x2000 +#define TIOCM_OUT2 0x4000 +#define TIOCM_LOOP 0x8000 + +/* ioctl (fd, TIOCSERGETLSR, &result) where result may be as below */ + +#ifdef __KERNEL__ + +#include + +/* intr=^C quit=^\ erase=del kill=^U + eof=^D vtime=\0 vmin=\1 sxtc=\0 + start=^Q stop=^S susp=^Z eol=\0 + reprint=^R discard=^U werase=^W lnext=^V + eol2=\0 +*/ +#define INIT_C_CC "\003\034\177\025\004\0\1\0\021\023\032\0\022\017\027\026\0" + +/* + * Translate a "termio" structure into a "termios". Ugh. + */ +static inline int user_termio_to_kernel_termios(struct ktermios *termios, + const struct termio __user *termio) +{ + unsigned short tmp; + + if (get_user(tmp, &termio->c_iflag) < 0) + goto fault; + termios->c_iflag = (0xffff0000 & termios->c_iflag) | tmp; + + if (get_user(tmp, &termio->c_oflag) < 0) + goto fault; + termios->c_oflag = (0xffff0000 & termios->c_oflag) | tmp; + + if (get_user(tmp, &termio->c_cflag) < 0) + goto fault; + termios->c_cflag = (0xffff0000 & termios->c_cflag) | tmp; + + if (get_user(tmp, &termio->c_lflag) < 0) + goto fault; + termios->c_lflag = (0xffff0000 & termios->c_lflag) | tmp; + + if (get_user(termios->c_line, &termio->c_line) < 0) + goto fault; + + if (copy_from_user(termios->c_cc, termio->c_cc, NCC) != 0) + goto fault; + + return 0; + + fault: + return -EFAULT; +} + +/* + * Translate a "termios" structure into a "termio". Ugh. + */ +static inline int kernel_termios_to_user_termio(struct termio __user *termio, + struct ktermios *termios) +{ + if (put_user(termios->c_iflag, &termio->c_iflag) < 0 || + put_user(termios->c_oflag, &termio->c_oflag) < 0 || + put_user(termios->c_cflag, &termio->c_cflag) < 0 || + put_user(termios->c_lflag, &termio->c_lflag) < 0 || + put_user(termios->c_line, &termio->c_line) < 0 || + copy_to_user(termio->c_cc, termios->c_cc, NCC) != 0) + return -EFAULT; + + return 0; +} + +#ifdef TCGETS2 +static inline int user_termios_to_kernel_termios(struct ktermios *k, + struct termios2 __user *u) +{ + return copy_from_user(k, u, sizeof(struct termios2)); +} + +static inline int kernel_termios_to_user_termios(struct termios2 __user *u, + struct ktermios *k) +{ + return copy_to_user(u, k, sizeof(struct termios2)); +} + +static inline int user_termios_to_kernel_termios_1(struct ktermios *k, + struct termios __user *u) +{ + return copy_from_user(k, u, sizeof(struct termios)); +} + +static inline int kernel_termios_to_user_termios_1(struct termios __user *u, + struct ktermios *k) +{ + return copy_to_user(u, k, sizeof(struct termios)); +} +#else /* TCGETS2 */ +static inline int user_termios_to_kernel_termios(struct ktermios *k, + struct termios __user *u) +{ + return copy_from_user(k, u, sizeof(struct termios)); +} + +static inline int kernel_termios_to_user_termios(struct termios __user *u, + struct ktermios *k) +{ + return copy_to_user(u, k, sizeof(struct termios)); +} +#endif /* TCGETS2 */ + +#endif /* __KERNEL__ */ + +#endif /* _ASM_GENERIC_TERMIOS_H */ diff --git a/include/asm-generic/types.h b/include/asm-generic/types.h new file mode 100644 index 000000000000..fba7d33ca3f2 --- /dev/null +++ b/include/asm-generic/types.h @@ -0,0 +1,42 @@ +#ifndef _ASM_GENERIC_TYPES_H +#define _ASM_GENERIC_TYPES_H +/* + * int-ll64 is used practically everywhere now, + * so use it as a reasonable default. + */ +#include + +#ifndef __ASSEMBLY__ + +typedef unsigned short umode_t; + +#endif /* __ASSEMBLY__ */ + +/* + * These aren't exported outside the kernel to avoid name space clashes + */ +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ +/* + * DMA addresses may be very different from physical addresses + * and pointers. i386 and powerpc may have 64 bit DMA on 32 bit + * systems, while sparc64 uses 32 bit DMA addresses for 64 bit + * physical addresses. + * This default defines dma_addr_t to have the same size as + * phys_addr_t, which is the most common way. + * Do not define the dma64_addr_t type, which never really + * worked. + */ +#ifndef dma_addr_t +#ifdef CONFIG_PHYS_ADDR_T_64BIT +typedef u64 dma_addr_t; +#else +typedef u32 dma_addr_t; +#endif /* CONFIG_PHYS_ADDR_T_64BIT */ +#endif /* dma_addr_t */ + +#endif /* __ASSEMBLY__ */ + +#endif /* __KERNEL__ */ + +#endif /* _ASM_GENERIC_TYPES_H */ diff --git a/include/asm-generic/ucontext.h b/include/asm-generic/ucontext.h new file mode 100644 index 000000000000..ad77343e8a9a --- /dev/null +++ b/include/asm-generic/ucontext.h @@ -0,0 +1,12 @@ +#ifndef __ASM_GENERIC_UCONTEXT_H +#define __ASM_GENERIC_UCONTEXT_H + +struct ucontext { + unsigned long uc_flags; + struct ucontext *uc_link; + stack_t uc_stack; + struct sigcontext uc_mcontext; + sigset_t uc_sigmask; /* mask last for extensibility */ +}; + +#endif /* __ASM_GENERIC_UCONTEXT_H */ -- cgit v1.2.3 From e64a1617eca39d62b248a11699de9c1195369661 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:28 +0000 Subject: asm-generic: add a generic unistd.h A new architecture should only define a minimal set of system calls while still providing the full functionality. This version of unistd.h has gone through intensive review to make sure that by default it only enables syscalls that do not already have a more featureful replacement. It is modeled after the x86-64 version of unistd.h, which unifies the syscall number definition and the actual system call table in a single file, in order to keep them synchronized much more easily. This first version still keeps legacy system call definitions around, guarded by various #ifdefs, and with numbers larger than 1024. The idea behind this is to make it easier for new architectures to transition from a full list to the reduced set. In particular, the new microblaze architecture that should migrate to using the generic ABI headers can at least use an existing uClibc source tree without major rewrites during the conversion. Signed-off-by: Arnd Bergmann --- include/asm-generic/Kbuild | 1 + include/asm-generic/unistd.h | 854 +++++++++++++++++++++++++++++++++++++++++++ scripts/checksyscalls.sh | 92 ++++- 3 files changed, 944 insertions(+), 3 deletions(-) create mode 100644 include/asm-generic/unistd.h (limited to 'include') diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild index 11a78b8e2fc9..eb62334cda29 100644 --- a/include/asm-generic/Kbuild +++ b/include/asm-generic/Kbuild @@ -27,6 +27,7 @@ header-y += termbits.h header-y += termios.h header-y += types.h header-y += ucontext.h +header-y += unistd.h unifdef-y += int-l64.h unifdef-y += int-ll64.h diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h new file mode 100644 index 000000000000..5b34b6233d6d --- /dev/null +++ b/include/asm-generic/unistd.h @@ -0,0 +1,854 @@ +#if !defined(_ASM_GENERIC_UNISTD_H) || defined(__SYSCALL) +#define _ASM_GENERIC_UNISTD_H + +#include + +/* + * This file contains the system call numbers, based on the + * layout of the x86-64 architecture, which embeds the + * pointer to the syscall in the table. + * + * As a basic principle, no duplication of functionality + * should be added, e.g. we don't use lseek when llseek + * is present. New architectures should use this file + * and implement the less feature-full calls in user space. + */ + +#ifndef __SYSCALL +#define __SYSCALL(x, y) +#endif + +#if __BITS_PER_LONG == 32 +#define __SC_3264(_nr, _32, _64) __SYSCALL(_nr, _32) +#else +#define __SC_3264(_nr, _32, _64) __SYSCALL(_nr, _64) +#endif + +#define __NR_io_setup 0 +__SYSCALL(__NR_io_setup, sys_io_setup) +#define __NR_io_destroy 1 +__SYSCALL(__NR_io_destroy, sys_io_destroy) +#define __NR_io_submit 2 +__SYSCALL(__NR_io_submit, sys_io_submit) +#define __NR_io_cancel 3 +__SYSCALL(__NR_io_cancel, sys_io_cancel) +#define __NR_io_getevents 4 +__SYSCALL(__NR_io_getevents, sys_io_getevents) + +/* fs/xattr.c */ +#define __NR_setxattr 5 +__SYSCALL(__NR_setxattr, sys_setxattr) +#define __NR_lsetxattr 6 +__SYSCALL(__NR_lsetxattr, sys_lsetxattr) +#define __NR_fsetxattr 7 +__SYSCALL(__NR_fsetxattr, sys_fsetxattr) +#define __NR_getxattr 8 +__SYSCALL(__NR_getxattr, sys_getxattr) +#define __NR_lgetxattr 9 +__SYSCALL(__NR_lgetxattr, sys_lgetxattr) +#define __NR_fgetxattr 10 +__SYSCALL(__NR_fgetxattr, sys_fgetxattr) +#define __NR_listxattr 11 +__SYSCALL(__NR_listxattr, sys_listxattr) +#define __NR_llistxattr 12 +__SYSCALL(__NR_llistxattr, sys_llistxattr) +#define __NR_flistxattr 13 +__SYSCALL(__NR_flistxattr, sys_flistxattr) +#define __NR_removexattr 14 +__SYSCALL(__NR_removexattr, sys_removexattr) +#define __NR_lremovexattr 15 +__SYSCALL(__NR_lremovexattr, sys_lremovexattr) +#define __NR_fremovexattr 16 +__SYSCALL(__NR_fremovexattr, sys_fremovexattr) + +/* fs/dcache.c */ +#define __NR_getcwd 17 +__SYSCALL(__NR_getcwd, sys_getcwd) + +/* fs/cookies.c */ +#define __NR_lookup_dcookie 18 +__SYSCALL(__NR_lookup_dcookie, sys_lookup_dcookie) + +/* fs/eventfd.c */ +#define __NR_eventfd2 19 +__SYSCALL(__NR_eventfd2, sys_eventfd2) + +/* fs/eventpoll.c */ +#define __NR_epoll_create1 20 +__SYSCALL(__NR_epoll_create1, sys_epoll_create1) +#define __NR_epoll_ctl 21 +__SYSCALL(__NR_epoll_ctl, sys_epoll_ctl) +#define __NR_epoll_pwait 22 +__SYSCALL(__NR_epoll_pwait, sys_epoll_pwait) + +/* fs/fcntl.c */ +#define __NR_dup 23 +__SYSCALL(__NR_dup, sys_dup) +#define __NR_dup3 24 +__SYSCALL(__NR_dup3, sys_dup3) +#define __NR3264_fcntl 25 +__SC_3264(__NR3264_fcntl, sys_fcntl64, sys_fcntl) + +/* fs/inotify_user.c */ +#define __NR_inotify_init1 26 +__SYSCALL(__NR_inotify_init1, sys_inotify_init1) +#define __NR_inotify_add_watch 27 +__SYSCALL(__NR_inotify_add_watch, sys_inotify_add_watch) +#define __NR_inotify_rm_watch 28 +__SYSCALL(__NR_inotify_rm_watch, sys_inotify_rm_watch) + +/* fs/ioctl.c */ +#define __NR_ioctl 29 +__SYSCALL(__NR_ioctl, sys_ioctl) + +/* fs/ioprio.c */ +#define __NR_ioprio_set 30 +__SYSCALL(__NR_ioprio_set, sys_ioprio_set) +#define __NR_ioprio_get 31 +__SYSCALL(__NR_ioprio_get, sys_ioprio_get) + +/* fs/locks.c */ +#define __NR_flock 32 +__SYSCALL(__NR_flock, sys_flock) + +/* fs/namei.c */ +#define __NR_mknodat 33 +__SYSCALL(__NR_mknodat, sys_mknodat) +#define __NR_mkdirat 34 +__SYSCALL(__NR_mkdirat, sys_mkdirat) +#define __NR_unlinkat 35 +__SYSCALL(__NR_unlinkat, sys_unlinkat) +#define __NR_symlinkat 36 +__SYSCALL(__NR_symlinkat, sys_symlinkat) +#define __NR_linkat 37 +__SYSCALL(__NR_linkat, sys_linkat) +#define __NR_renameat 38 +__SYSCALL(__NR_renameat, sys_renameat) + +/* fs/namespace.c */ +#define __NR_umount2 39 +__SYSCALL(__NR_umount2, sys_umount) +#define __NR_mount 40 +__SYSCALL(__NR_mount, sys_mount) +#define __NR_pivot_root 41 +__SYSCALL(__NR_pivot_root, sys_pivot_root) + +/* fs/nfsctl.c */ +#define __NR_nfsservctl 42 +__SYSCALL(__NR_nfsservctl, sys_nfsservctl) + +/* fs/open.c */ +#define __NR3264_statfs 43 +__SC_3264(__NR3264_statfs, sys_statfs64, sys_statfs) +#define __NR3264_fstatfs 44 +__SC_3264(__NR3264_fstatfs, sys_fstatfs64, sys_fstatfs) +#define __NR3264_truncate 45 +__SC_3264(__NR3264_truncate, sys_truncate64, sys_truncate) +#define __NR3264_ftruncate 46 +__SC_3264(__NR3264_ftruncate, sys_ftruncate64, sys_ftruncate) + +#define __NR_fallocate 47 +__SYSCALL(__NR_fallocate, sys_fallocate) +#define __NR_faccessat 48 +__SYSCALL(__NR_faccessat, sys_faccessat) +#define __NR_chdir 49 +__SYSCALL(__NR_chdir, sys_chdir) +#define __NR_fchdir 50 +__SYSCALL(__NR_fchdir, sys_fchdir) +#define __NR_chroot 51 +__SYSCALL(__NR_chroot, sys_chroot) +#define __NR_fchmod 52 +__SYSCALL(__NR_fchmod, sys_fchmod) +#define __NR_fchmodat 53 +__SYSCALL(__NR_fchmodat, sys_fchmodat) +#define __NR_fchownat 54 +__SYSCALL(__NR_fchownat, sys_fchownat) +#define __NR_fchown 55 +__SYSCALL(__NR_fchown, sys_fchown) +#define __NR_openat 56 +__SYSCALL(__NR_openat, sys_openat) +#define __NR_close 57 +__SYSCALL(__NR_close, sys_close) +#define __NR_vhangup 58 +__SYSCALL(__NR_vhangup, sys_vhangup) + +/* fs/pipe.c */ +#define __NR_pipe2 59 +__SYSCALL(__NR_pipe2, sys_pipe2) + +/* fs/quota.c */ +#define __NR_quotactl 60 +__SYSCALL(__NR_quotactl, sys_quotactl) + +/* fs/readdir.c */ +#define __NR_getdents64 61 +__SYSCALL(__NR_getdents64, sys_getdents64) + +/* fs/read_write.c */ +#define __NR3264_lseek 62 +__SC_3264(__NR3264_lseek, sys_llseek, sys_lseek) +#define __NR_read 63 +__SYSCALL(__NR_read, sys_read) +#define __NR_write 64 +__SYSCALL(__NR_write, sys_write) +#define __NR_readv 65 +__SYSCALL(__NR_readv, sys_readv) +#define __NR_writev 66 +__SYSCALL(__NR_writev, sys_writev) +#define __NR_pread64 67 +__SYSCALL(__NR_pread64, sys_pread64) +#define __NR_pwrite64 68 +__SYSCALL(__NR_pwrite64, sys_pwrite64) +#define __NR_preadv 69 +__SYSCALL(__NR_preadv, sys_preadv) +#define __NR_pwritev 70 +__SYSCALL(__NR_pwritev, sys_pwritev) + +/* fs/sendfile.c */ +#define __NR3264_sendfile 71 +__SC_3264(__NR3264_sendfile, sys_sendfile64, sys_sendfile) + +/* fs/select.c */ +#define __NR_pselect6 72 +__SYSCALL(__NR_pselect6, sys_pselect6) +#define __NR_ppoll 73 +__SYSCALL(__NR_ppoll, sys_ppoll) + +/* fs/signalfd.c */ +#define __NR_signalfd4 74 +__SYSCALL(__NR_signalfd4, sys_signalfd4) + +/* fs/splice.c */ +#define __NR_vmsplice 75 +__SYSCALL(__NR_vmsplice, sys_vmsplice) +#define __NR_splice 76 +__SYSCALL(__NR_splice, sys_splice) +#define __NR_tee 77 +__SYSCALL(__NR_tee, sys_tee) + +/* fs/stat.c */ +#define __NR_readlinkat 78 +__SYSCALL(__NR_readlinkat, sys_readlinkat) +#define __NR3264_fstatat 79 +__SC_3264(__NR3264_fstatat, sys_fstatat64, sys_newfstatat) +#define __NR3264_fstat 80 +__SC_3264(__NR3264_fstat, sys_fstat64, sys_newfstat) + +/* fs/sync.c */ +#define __NR_sync 81 +__SYSCALL(__NR_sync, sys_sync) +#define __NR_fsync 82 +__SYSCALL(__NR_fsync, sys_fsync) +#define __NR_fdatasync 83 +__SYSCALL(__NR_fdatasync, sys_fdatasync) +#define __NR_sync_file_range 84 +__SYSCALL(__NR_sync_file_range, sys_sync_file_range) /* .long sys_sync_file_range2, */ + +/* fs/timerfd.c */ +#define __NR_timerfd_create 85 +__SYSCALL(__NR_timerfd_create, sys_timerfd_create) +#define __NR_timerfd_settime 86 +__SYSCALL(__NR_timerfd_settime, sys_timerfd_settime) +#define __NR_timerfd_gettime 87 +__SYSCALL(__NR_timerfd_gettime, sys_timerfd_gettime) + +/* fs/utimes.c */ +#define __NR_utimensat 88 +__SYSCALL(__NR_utimensat, sys_utimensat) + +/* kernel/acct.c */ +#define __NR_acct 89 +__SYSCALL(__NR_acct, sys_acct) + +/* kernel/capability.c */ +#define __NR_capget 90 +__SYSCALL(__NR_capget, sys_capget) +#define __NR_capset 91 +__SYSCALL(__NR_capset, sys_capset) + +/* kernel/exec_domain.c */ +#define __NR_personality 92 +__SYSCALL(__NR_personality, sys_personality) + +/* kernel/exit.c */ +#define __NR_exit 93 +__SYSCALL(__NR_exit, sys_exit) +#define __NR_exit_group 94 +__SYSCALL(__NR_exit_group, sys_exit_group) +#define __NR_waitid 95 +__SYSCALL(__NR_waitid, sys_waitid) + +/* kernel/fork.c */ +#define __NR_set_tid_address 96 +__SYSCALL(__NR_set_tid_address, sys_set_tid_address) +#define __NR_unshare 97 +__SYSCALL(__NR_unshare, sys_unshare) + +/* kernel/futex.c */ +#define __NR_futex 98 +__SYSCALL(__NR_futex, sys_futex) +#define __NR_set_robust_list 99 +__SYSCALL(__NR_set_robust_list, sys_set_robust_list) +#define __NR_get_robust_list 100 +__SYSCALL(__NR_get_robust_list, sys_get_robust_list) + +/* kernel/hrtimer.c */ +#define __NR_nanosleep 101 +__SYSCALL(__NR_nanosleep, sys_nanosleep) + +/* kernel/itimer.c */ +#define __NR_getitimer 102 +__SYSCALL(__NR_getitimer, sys_getitimer) +#define __NR_setitimer 103 +__SYSCALL(__NR_setitimer, sys_setitimer) + +/* kernel/kexec.c */ +#define __NR_kexec_load 104 +__SYSCALL(__NR_kexec_load, sys_kexec_load) + +/* kernel/module.c */ +#define __NR_init_module 105 +__SYSCALL(__NR_init_module, sys_init_module) +#define __NR_delete_module 106 +__SYSCALL(__NR_delete_module, sys_delete_module) + +/* kernel/posix-timers.c */ +#define __NR_timer_create 107 +__SYSCALL(__NR_timer_create, sys_timer_create) +#define __NR_timer_gettime 108 +__SYSCALL(__NR_timer_gettime, sys_timer_gettime) +#define __NR_timer_getoverrun 109 +__SYSCALL(__NR_timer_getoverrun, sys_timer_getoverrun) +#define __NR_timer_settime 110 +__SYSCALL(__NR_timer_settime, sys_timer_settime) +#define __NR_timer_delete 111 +__SYSCALL(__NR_timer_delete, sys_timer_delete) +#define __NR_clock_settime 112 +__SYSCALL(__NR_clock_settime, sys_clock_settime) +#define __NR_clock_gettime 113 +__SYSCALL(__NR_clock_gettime, sys_clock_gettime) +#define __NR_clock_getres 114 +__SYSCALL(__NR_clock_getres, sys_clock_getres) +#define __NR_clock_nanosleep 115 +__SYSCALL(__NR_clock_nanosleep, sys_clock_nanosleep) + +/* kernel/printk.c */ +#define __NR_syslog 116 +__SYSCALL(__NR_syslog, sys_syslog) + +/* kernel/ptrace.c */ +#define __NR_ptrace 117 +__SYSCALL(__NR_ptrace, sys_ptrace) + +/* kernel/sched.c */ +#define __NR_sched_setparam 118 +__SYSCALL(__NR_sched_setparam, sys_sched_setparam) +#define __NR_sched_setscheduler 119 +__SYSCALL(__NR_sched_setscheduler, sys_sched_setscheduler) +#define __NR_sched_getscheduler 120 +__SYSCALL(__NR_sched_getscheduler, sys_sched_getscheduler) +#define __NR_sched_getparam 121 +__SYSCALL(__NR_sched_getparam, sys_sched_getparam) +#define __NR_sched_setaffinity 122 +__SYSCALL(__NR_sched_setaffinity, sys_sched_setaffinity) +#define __NR_sched_getaffinity 123 +__SYSCALL(__NR_sched_getaffinity, sys_sched_getaffinity) +#define __NR_sched_yield 124 +__SYSCALL(__NR_sched_yield, sys_sched_yield) +#define __NR_sched_get_priority_max 125 +__SYSCALL(__NR_sched_get_priority_max, sys_sched_get_priority_max) +#define __NR_sched_get_priority_min 126 +__SYSCALL(__NR_sched_get_priority_min, sys_sched_get_priority_min) +#define __NR_sched_rr_get_interval 127 +__SYSCALL(__NR_sched_rr_get_interval, sys_sched_rr_get_interval) + +/* kernel/signal.c */ +#define __NR_restart_syscall 128 +__SYSCALL(__NR_restart_syscall, sys_restart_syscall) +#define __NR_kill 129 +__SYSCALL(__NR_kill, sys_kill) +#define __NR_tkill 130 +__SYSCALL(__NR_tkill, sys_tkill) +#define __NR_tgkill 131 +__SYSCALL(__NR_tgkill, sys_tgkill) +#define __NR_sigaltstack 132 +__SYSCALL(__NR_sigaltstack, sys_sigaltstack) +#define __NR_rt_sigsuspend 133 +__SYSCALL(__NR_rt_sigsuspend, sys_rt_sigsuspend) /* __ARCH_WANT_SYS_RT_SIGSUSPEND */ +#define __NR_rt_sigaction 134 +__SYSCALL(__NR_rt_sigaction, sys_rt_sigaction) /* __ARCH_WANT_SYS_RT_SIGACTION */ +#define __NR_rt_sigprocmask 135 +__SYSCALL(__NR_rt_sigprocmask, sys_rt_sigprocmask) +#define __NR_rt_sigpending 136 +__SYSCALL(__NR_rt_sigpending, sys_rt_sigpending) +#define __NR_rt_sigtimedwait 137 +__SYSCALL(__NR_rt_sigtimedwait, sys_rt_sigtimedwait) +#define __NR_rt_sigqueueinfo 138 +__SYSCALL(__NR_rt_sigqueueinfo, sys_rt_sigqueueinfo) +#define __NR_rt_sigreturn 139 +__SYSCALL(__NR_rt_sigreturn, sys_rt_sigreturn) /* sys_rt_sigreturn_wrapper, */ + +/* kernel/sys.c */ +#define __NR_setpriority 140 +__SYSCALL(__NR_setpriority, sys_setpriority) +#define __NR_getpriority 141 +__SYSCALL(__NR_getpriority, sys_getpriority) +#define __NR_reboot 142 +__SYSCALL(__NR_reboot, sys_reboot) +#define __NR_setregid 143 +__SYSCALL(__NR_setregid, sys_setregid) +#define __NR_setgid 144 +__SYSCALL(__NR_setgid, sys_setgid) +#define __NR_setreuid 145 +__SYSCALL(__NR_setreuid, sys_setreuid) +#define __NR_setuid 146 +__SYSCALL(__NR_setuid, sys_setuid) +#define __NR_setresuid 147 +__SYSCALL(__NR_setresuid, sys_setresuid) +#define __NR_getresuid 148 +__SYSCALL(__NR_getresuid, sys_getresuid) +#define __NR_setresgid 149 +__SYSCALL(__NR_setresgid, sys_setresgid) +#define __NR_getresgid 150 +__SYSCALL(__NR_getresgid, sys_getresgid) +#define __NR_setfsuid 151 +__SYSCALL(__NR_setfsuid, sys_setfsuid) +#define __NR_setfsgid 152 +__SYSCALL(__NR_setfsgid, sys_setfsgid) +#define __NR_times 153 +__SYSCALL(__NR_times, sys_times) +#define __NR_setpgid 154 +__SYSCALL(__NR_setpgid, sys_setpgid) +#define __NR_getpgid 155 +__SYSCALL(__NR_getpgid, sys_getpgid) +#define __NR_getsid 156 +__SYSCALL(__NR_getsid, sys_getsid) +#define __NR_setsid 157 +__SYSCALL(__NR_setsid, sys_setsid) +#define __NR_getgroups 158 +__SYSCALL(__NR_getgroups, sys_getgroups) +#define __NR_setgroups 159 +__SYSCALL(__NR_setgroups, sys_setgroups) +#define __NR_uname 160 +__SYSCALL(__NR_uname, sys_newuname) +#define __NR_sethostname 161 +__SYSCALL(__NR_sethostname, sys_sethostname) +#define __NR_setdomainname 162 +__SYSCALL(__NR_setdomainname, sys_setdomainname) +#define __NR_getrlimit 163 +__SYSCALL(__NR_getrlimit, sys_getrlimit) +#define __NR_setrlimit 164 +__SYSCALL(__NR_setrlimit, sys_setrlimit) +#define __NR_getrusage 165 +__SYSCALL(__NR_getrusage, sys_getrusage) +#define __NR_umask 166 +__SYSCALL(__NR_umask, sys_umask) +#define __NR_prctl 167 +__SYSCALL(__NR_prctl, sys_prctl) +#define __NR_getcpu 168 +__SYSCALL(__NR_getcpu, sys_getcpu) + +/* kernel/time.c */ +#define __NR_gettimeofday 169 +__SYSCALL(__NR_gettimeofday, sys_gettimeofday) +#define __NR_settimeofday 170 +__SYSCALL(__NR_settimeofday, sys_settimeofday) +#define __NR_adjtimex 171 +__SYSCALL(__NR_adjtimex, sys_adjtimex) + +/* kernel/timer.c */ +#define __NR_getpid 172 +__SYSCALL(__NR_getpid, sys_getpid) +#define __NR_getppid 173 +__SYSCALL(__NR_getppid, sys_getppid) +#define __NR_getuid 174 +__SYSCALL(__NR_getuid, sys_getuid) +#define __NR_geteuid 175 +__SYSCALL(__NR_geteuid, sys_geteuid) +#define __NR_getgid 176 +__SYSCALL(__NR_getgid, sys_getgid) +#define __NR_getegid 177 +__SYSCALL(__NR_getegid, sys_getegid) +#define __NR_gettid 178 +__SYSCALL(__NR_gettid, sys_gettid) +#define __NR_sysinfo 179 +__SYSCALL(__NR_sysinfo, sys_sysinfo) + +/* ipc/mqueue.c */ +#define __NR_mq_open 180 +__SYSCALL(__NR_mq_open, sys_mq_open) +#define __NR_mq_unlink 181 +__SYSCALL(__NR_mq_unlink, sys_mq_unlink) +#define __NR_mq_timedsend 182 +__SYSCALL(__NR_mq_timedsend, sys_mq_timedsend) +#define __NR_mq_timedreceive 183 +__SYSCALL(__NR_mq_timedreceive, sys_mq_timedreceive) +#define __NR_mq_notify 184 +__SYSCALL(__NR_mq_notify, sys_mq_notify) +#define __NR_mq_getsetattr 185 +__SYSCALL(__NR_mq_getsetattr, sys_mq_getsetattr) + +/* ipc/msg.c */ +#define __NR_msgget 186 +__SYSCALL(__NR_msgget, sys_msgget) +#define __NR_msgctl 187 +__SYSCALL(__NR_msgctl, sys_msgctl) +#define __NR_msgrcv 188 +__SYSCALL(__NR_msgrcv, sys_msgrcv) +#define __NR_msgsnd 189 +__SYSCALL(__NR_msgsnd, sys_msgsnd) + +/* ipc/sem.c */ +#define __NR_semget 190 +__SYSCALL(__NR_semget, sys_semget) +#define __NR_semctl 191 +__SYSCALL(__NR_semctl, sys_semctl) +#define __NR_semtimedop 192 +__SYSCALL(__NR_semtimedop, sys_semtimedop) +#define __NR_semop 193 +__SYSCALL(__NR_semop, sys_semop) + +/* ipc/shm.c */ +#define __NR_shmget 194 +__SYSCALL(__NR_shmget, sys_shmget) +#define __NR_shmctl 195 +__SYSCALL(__NR_shmctl, sys_shmctl) +#define __NR_shmat 196 +__SYSCALL(__NR_shmat, sys_shmat) +#define __NR_shmdt 197 +__SYSCALL(__NR_shmdt, sys_shmdt) + +/* net/socket.c */ +#define __NR_socket 198 +__SYSCALL(__NR_socket, sys_socket) +#define __NR_socketpair 199 +__SYSCALL(__NR_socketpair, sys_socketpair) +#define __NR_bind 200 +__SYSCALL(__NR_bind, sys_bind) +#define __NR_listen 201 +__SYSCALL(__NR_listen, sys_listen) +#define __NR_accept 202 +__SYSCALL(__NR_accept, sys_accept) +#define __NR_connect 203 +__SYSCALL(__NR_connect, sys_connect) +#define __NR_getsockname 204 +__SYSCALL(__NR_getsockname, sys_getsockname) +#define __NR_getpeername 205 +__SYSCALL(__NR_getpeername, sys_getpeername) +#define __NR_sendto 206 +__SYSCALL(__NR_sendto, sys_sendto) +#define __NR_recvfrom 207 +__SYSCALL(__NR_recvfrom, sys_recvfrom) +#define __NR_setsockopt 208 +__SYSCALL(__NR_setsockopt, sys_setsockopt) +#define __NR_getsockopt 209 +__SYSCALL(__NR_getsockopt, sys_getsockopt) +#define __NR_shutdown 210 +__SYSCALL(__NR_shutdown, sys_shutdown) +#define __NR_sendmsg 211 +__SYSCALL(__NR_sendmsg, sys_sendmsg) +#define __NR_recvmsg 212 +__SYSCALL(__NR_recvmsg, sys_recvmsg) + +/* mm/filemap.c */ +#define __NR_readahead 213 +__SYSCALL(__NR_readahead, sys_readahead) + +/* mm/nommu.c, also with MMU */ +#define __NR_brk 214 +__SYSCALL(__NR_brk, sys_brk) +#define __NR_munmap 215 +__SYSCALL(__NR_munmap, sys_munmap) +#define __NR_mremap 216 +__SYSCALL(__NR_mremap, sys_mremap) + +/* security/keys/keyctl.c */ +#define __NR_add_key 217 +__SYSCALL(__NR_add_key, sys_add_key) +#define __NR_request_key 218 +__SYSCALL(__NR_request_key, sys_request_key) +#define __NR_keyctl 219 +__SYSCALL(__NR_keyctl, sys_keyctl) + +/* arch/example/kernel/sys_example.c */ +#define __NR_clone 220 +__SYSCALL(__NR_clone, sys_clone) /* .long sys_clone_wrapper */ +#define __NR_execve 221 +__SYSCALL(__NR_execve, sys_execve) /* .long sys_execve_wrapper */ + +#define __NR3264_mmap 222 +__SC_3264(__NR3264_mmap, sys_mmap2, sys_mmap) +/* mm/fadvise.c */ +#define __NR3264_fadvise64 223 +__SC_3264(__NR3264_fadvise64, sys_fadvise64_64, sys_fadvise64) + +/* mm/, CONFIG_MMU only */ +#ifndef __ARCH_NOMMU +#define __NR_swapon 224 +__SYSCALL(__NR_swapon, sys_swapon) +#define __NR_swapoff 225 +__SYSCALL(__NR_swapoff, sys_swapoff) +#define __NR_mprotect 226 +__SYSCALL(__NR_mprotect, sys_mprotect) +#define __NR_msync 227 +__SYSCALL(__NR_msync, sys_msync) +#define __NR_mlock 228 +__SYSCALL(__NR_mlock, sys_mlock) +#define __NR_munlock 229 +__SYSCALL(__NR_munlock, sys_munlock) +#define __NR_mlockall 230 +__SYSCALL(__NR_mlockall, sys_mlockall) +#define __NR_munlockall 231 +__SYSCALL(__NR_munlockall, sys_munlockall) +#define __NR_mincore 232 +__SYSCALL(__NR_mincore, sys_mincore) +#define __NR_madvise 233 +__SYSCALL(__NR_madvise, sys_madvise) +#define __NR_remap_file_pages 234 +__SYSCALL(__NR_remap_file_pages, sys_remap_file_pages) +#define __NR_mbind 235 +__SYSCALL(__NR_mbind, sys_mbind) +#define __NR_get_mempolicy 236 +__SYSCALL(__NR_get_mempolicy, sys_get_mempolicy) +#define __NR_set_mempolicy 237 +__SYSCALL(__NR_set_mempolicy, sys_set_mempolicy) +#define __NR_migrate_pages 238 +__SYSCALL(__NR_migrate_pages, sys_migrate_pages) +#define __NR_move_pages 239 +__SYSCALL(__NR_move_pages, sys_move_pages) +#endif + +#undef __NR_syscalls +#define __NR_syscalls 240 + +/* + * All syscalls below here should go away really, + * these are provided for both review and as a porting + * help for the C library version. +* + * Last chance: are any of these important enought to + * enable by default? + */ +#ifdef __ARCH_WANT_SYSCALL_NO_AT +#define __NR_open 1024 +__SYSCALL(__NR_open, sys_open) +#define __NR_link 1025 +__SYSCALL(__NR_link, sys_link) +#define __NR_unlink 1026 +__SYSCALL(__NR_unlink, sys_unlink) +#define __NR_mknod 1027 +__SYSCALL(__NR_mknod, sys_mknod) +#define __NR_chmod 1028 +__SYSCALL(__NR_chmod, sys_chmod) +#define __NR_chown 1029 +__SYSCALL(__NR_chown, sys_chown) +#define __NR_mkdir 1030 +__SYSCALL(__NR_mkdir, sys_mkdir) +#define __NR_rmdir 1031 +__SYSCALL(__NR_rmdir, sys_rmdir) +#define __NR_lchown 1032 +__SYSCALL(__NR_lchown, sys_lchown) +#define __NR_access 1033 +__SYSCALL(__NR_access, sys_access) +#define __NR_rename 1034 +__SYSCALL(__NR_rename, sys_rename) +#define __NR_readlink 1035 +__SYSCALL(__NR_readlink, sys_readlink) +#define __NR_symlink 1036 +__SYSCALL(__NR_symlink, sys_symlink) +#define __NR_utimes 1037 +__SYSCALL(__NR_utimes, sys_utimes) +#define __NR3264_stat 1038 +__SC_3264(__NR3264_stat, sys_stat64, sys_newstat) +#define __NR3264_lstat 1039 +__SC_3264(__NR3264_lstat, sys_lstat64, sys_newlstat) + +#undef __NR_syscalls +#define __NR_syscalls (__NR3264_lstat+1) +#endif /* __ARCH_WANT_SYSCALL_NO_AT */ + +#ifdef __ARCH_WANT_SYSCALL_NO_FLAGS +#define __NR_pipe 1040 +__SYSCALL(__NR_pipe, sys_pipe) +#define __NR_dup2 1041 +__SYSCALL(__NR_dup2, sys_dup2) +#define __NR_epoll_create 1042 +__SYSCALL(__NR_epoll_create, sys_epoll_create) +#define __NR_inotify_init 1043 +__SYSCALL(__NR_inotify_init, sys_inotify_init) +#define __NR_eventfd 1044 +__SYSCALL(__NR_eventfd, sys_eventfd) +#define __NR_signalfd 1045 +__SYSCALL(__NR_signalfd, sys_signalfd) + +#undef __NR_syscalls +#define __NR_syscalls (__NR_signalfd+1) +#endif /* __ARCH_WANT_SYSCALL_NO_FLAGS */ + +#if __BITS_PER_LONG == 32 && defined(__ARCH_WANT_SYSCALL_OFF_T) +#define __NR_sendfile 1046 +__SYSCALL(__NR_sendfile, sys_sendfile) +#define __NR_ftruncate 1047 +__SYSCALL(__NR_ftruncate, sys_ftruncate) +#define __NR_truncate 1048 +__SYSCALL(__NR_truncate, sys_truncate) +#define __NR_stat 1049 +__SYSCALL(__NR_stat, sys_newstat) +#define __NR_lstat 1050 +__SYSCALL(__NR_lstat, sys_newlstat) +#define __NR_fstat 1051 +__SYSCALL(__NR_fstat, sys_newfstat) +#define __NR_fcntl 1052 +__SYSCALL(__NR_fcntl, sys_fcntl) +#define __NR_fadvise64 1053 +#define __ARCH_WANT_SYS_FADVISE64 +__SYSCALL(__NR_fadvise64, sys_fadvise64) +#define __NR_newfstatat 1054 +#define __ARCH_WANT_SYS_NEWFSTATAT +__SYSCALL(__NR_newfstatat, sys_newfstatat) +#define __NR_fstatfs 1055 +__SYSCALL(__NR_fstatfs, sys_fstatfs) +#define __NR_statfs 1056 +__SYSCALL(__NR_statfs, sys_statfs) +#define __NR_lseek 1057 +__SYSCALL(__NR_lseek, sys_lseek) +#define __NR_mmap 1058 +__SYSCALL(__NR_mmap, sys_mmap) + +#undef __NR_syscalls +#define __NR_syscalls (__NR_mmap+1) +#endif /* 32 bit off_t syscalls */ + +#ifdef __ARCH_WANT_SYSCALL_DEPRECATED +#define __NR_alarm 1059 +#define __ARCH_WANT_SYS_ALARM +__SYSCALL(__NR_alarm, sys_alarm) +#define __NR_getpgrp 1060 +#define __ARCH_WANT_SYS_GETPGRP +__SYSCALL(__NR_getpgrp, sys_getpgrp) +#define __NR_pause 1061 +#define __ARCH_WANT_SYS_PAUSE +__SYSCALL(__NR_pause, sys_pause) +#define __NR_time 1062 +#define __ARCH_WANT_SYS_TIME +__SYSCALL(__NR_time, sys_time) +#define __NR_utime 1063 +#define __ARCH_WANT_SYS_UTIME +__SYSCALL(__NR_utime, sys_utime) + +#define __NR_creat 1064 +__SYSCALL(__NR_creat, sys_creat) +#define __NR_getdents 1065 +#define __ARCH_WANT_SYS_GETDENTS +__SYSCALL(__NR_getdents, sys_getdents) +#define __NR_futimesat 1066 +__SYSCALL(__NR_futimesat, sys_futimesat) +#define __NR_select 1067 +#define __ARCH_WANT_SYS_SELECT +__SYSCALL(__NR_select, sys_select) +#define __NR_poll 1068 +__SYSCALL(__NR_poll, sys_poll) +#define __NR_epoll_wait 1069 +__SYSCALL(__NR_epoll_wait, sys_epoll_wait) +#define __NR_ustat 1070 +__SYSCALL(__NR_ustat, sys_ustat) +#define __NR_vfork 1071 +__SYSCALL(__NR_vfork, sys_vfork) +#define __NR_wait4 1072 +__SYSCALL(__NR_wait4, sys_wait4) +#define __NR_recv 1073 +__SYSCALL(__NR_recv, sys_recv) +#define __NR_send 1074 +__SYSCALL(__NR_send, sys_send) +#define __NR_bdflush 1075 +__SYSCALL(__NR_bdflush, sys_bdflush) +#define __NR_umount 1076 +__SYSCALL(__NR_umount, sys_oldumount) +#define __ARCH_WANT_SYS_OLDUMOUNT +#define __NR_uselib 1077 +__SYSCALL(__NR_uselib, sys_uselib) +#define __NR__sysctl 1078 +__SYSCALL(__NR__sysctl, sys_sysctl) + +#define __NR_fork 1079 +#ifdef CONFIG_MMU +__SYSCALL(__NR_fork, sys_fork) +#else +__SYSCALL(__NR_fork, sys_ni_syscall) +#endif /* CONFIG_MMU */ + +#undef __NR_syscalls +#define __NR_syscalls (__NR_fork+1) + +#endif /* __ARCH_WANT_SYSCALL_DEPRECATED */ + +/* + * 32 bit systems traditionally used different + * syscalls for off_t and loff_t arguments, while + * 64 bit systems only need the off_t version. + * For new 32 bit platforms, there is no need to + * implement the old 32 bit off_t syscalls, so + * they take different names. + * Here we map the numbers so that both versions + * use the same syscall table layout. + */ +#if __BITS_PER_LONG == 64 +#define __NR_fcntl __NR3264_fcntl +#define __NR_statfs __NR3264_statfs +#define __NR_fstatfs __NR3264_fstatfs +#define __NR_truncate __NR3264_truncate +#define __NR_ftruncate __NR3264_truncate +#define __NR_lseek __NR3264_lseek +#define __NR_sendfile __NR3264_sendfile +#define __NR_newfstatat __NR3264_fstatat +#define __NR_fstat __NR3264_fstat +#define __NR_mmap __NR3264_mmap +#define __NR_fadvise64 __NR3264_fadvise64 +#ifdef __NR3264_stat +#define __NR_stat __NR3264_stat +#define __NR_lstat __NR3264_lstat +#endif +#else +#define __NR_fcntl64 __NR3264_fcntl +#define __NR_statfs64 __NR3264_statfs +#define __NR_fstatfs64 __NR3264_fstatfs +#define __NR_truncate64 __NR3264_truncate +#define __NR_ftruncate64 __NR3264_truncate +#define __NR_llseek __NR3264_lseek +#define __NR_sendfile64 __NR3264_sendfile +#define __NR_fstatat64 __NR3264_fstatat +#define __NR_fstat64 __NR3264_fstat +#define __NR_mmap2 __NR3264_mmap +#define __NR_fadvise64_64 __NR3264_fadvise64 +#ifdef __NR3264_stat +#define __NR_stat64 __NR3264_stat +#define __NR_lstat64 __NR3264_lstat +#endif +#endif + +#ifdef __KERNEL__ + +/* + * These are required system calls, we should + * invert the logic eventually and let them + * be selected by default. + */ +#if __BITS_PER_LONG == 32 +#define __ARCH_WANT_STAT64 +#define __ARCH_WANT_SYS_LLSEEK +#endif +#define __ARCH_WANT_SYS_RT_SIGACTION +#define __ARCH_WANT_SYS_RT_SIGSUSPEND + +/* + * "Conditional" syscalls + * + * What we want is __attribute__((weak,alias("sys_ni_syscall"))), + * but it doesn't work on all toolchains, so we just do it by hand + */ +#ifndef cond_syscall +#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall") +#endif + +#endif /* __KERNEL__ */ +#endif /* _ASM_GENERIC_UNISTD_H */ diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh index 60d00d1c4eee..66ad375612f2 100755 --- a/scripts/checksyscalls.sh +++ b/scripts/checksyscalls.sh @@ -14,6 +14,57 @@ cat << EOF #include #include +/* *at */ +#define __IGNORE_open /* openat */ +#define __IGNORE_link /* linkat */ +#define __IGNORE_unlink /* unlinkat */ +#define __IGNORE_mknod /* mknodat */ +#define __IGNORE_chmod /* fchmodat */ +#define __IGNORE_chown /* fchownat */ +#define __IGNORE_mkdir /* mkdirat */ +#define __IGNORE_rmdir /* unlinkat */ +#define __IGNORE_lchown /* fchownat */ +#define __IGNORE_access /* faccessat */ +#define __IGNORE_rename /* renameat */ +#define __IGNORE_readlink /* readlinkat */ +#define __IGNORE_symlink /* symlinkat */ +#define __IGNORE_utimes /* futimesat */ +#if BITS_PER_LONG == 64 +#define __IGNORE_stat /* fstatat */ +#define __IGNORE_lstat /* fstatat */ +#else +#define __IGNORE_stat64 /* fstatat64 */ +#define __IGNORE_lstat64 /* fstatat64 */ +#endif + +/* CLOEXEC flag */ +#define __IGNORE_pipe /* pipe2 */ +#define __IGNORE_dup2 /* dup3 */ +#define __IGNORE_epoll_create /* epoll_create1 */ +#define __IGNORE_inotify_init /* inotify_init1 */ +#define __IGNORE_eventfd /* eventfd2 */ +#define __IGNORE_signalfd /* signalfd4 */ + +/* MMU */ +#ifndef CONFIG_MMU +#define __IGNORE_madvise +#define __IGNORE_mbind +#define __IGNORE_mincore +#define __IGNORE_mlock +#define __IGNORE_mlockall +#define __IGNORE_munlock +#define __IGNORE_munlockall +#define __IGNORE_mprotect +#define __IGNORE_msync +#define __IGNORE_migrate_pages +#define __IGNORE_move_pages +#define __IGNORE_remap_file_pages +#define __IGNORE_get_mempolicy +#define __IGNORE_set_mempolicy +#define __IGNORE_swapoff +#define __IGNORE_swapon +#endif + /* System calls for 32-bit kernels only */ #if BITS_PER_LONG == 64 #define __IGNORE_sendfile64 @@ -27,6 +78,22 @@ cat << EOF #define __IGNORE_fstatat64 #define __IGNORE_fstatfs64 #define __IGNORE_statfs64 +#define __IGNORE_llseek +#define __IGNORE_mmap2 +#else +#define __IGNORE_sendfile +#define __IGNORE_ftruncate +#define __IGNORE_truncate +#define __IGNORE_stat +#define __IGNORE_lstat +#define __IGNORE_fstat +#define __IGNORE_fcntl +#define __IGNORE_fadvise64 +#define __IGNORE_newfstatat +#define __IGNORE_fstatfs +#define __IGNORE_statfs +#define __IGNORE_lseek +#define __IGNORE_mmap #endif /* i386-specific or historical system calls */ @@ -44,7 +111,6 @@ cat << EOF #define __IGNORE_idle #define __IGNORE_modify_ldt #define __IGNORE_ugetrlimit -#define __IGNORE_mmap2 #define __IGNORE_vm86 #define __IGNORE_vm86old #define __IGNORE_set_thread_area @@ -55,7 +121,6 @@ cat << EOF #define __IGNORE_oldlstat #define __IGNORE_oldolduname #define __IGNORE_olduname -#define __IGNORE_umount2 #define __IGNORE_umount #define __IGNORE_waitpid #define __IGNORE_stime @@ -75,9 +140,12 @@ cat << EOF #define __IGNORE__llseek #define __IGNORE__newselect #define __IGNORE_create_module -#define __IGNORE_delete_module #define __IGNORE_query_module #define __IGNORE_get_kernel_syms +#define __IGNORE_sysfs +#define __IGNORE_uselib +#define __IGNORE__sysctl + /* ... including the "new" 32-bit uid syscalls */ #define __IGNORE_lchown32 #define __IGNORE_getuid32 @@ -99,6 +167,24 @@ cat << EOF #define __IGNORE_setfsuid32 #define __IGNORE_setfsgid32 +/* these can be expressed using other calls */ +#define __IGNORE_alarm /* setitimer */ +#define __IGNORE_creat /* open */ +#define __IGNORE_fork /* clone */ +#define __IGNORE_futimesat /* utimensat */ +#define __IGNORE_getpgrp /* getpgid */ +#define __IGNORE_getdents /* getdents64 */ +#define __IGNORE_pause /* sigsuspend */ +#define __IGNORE_poll /* ppoll */ +#define __IGNORE_select /* pselect6 */ +#define __IGNORE_epoll_wait /* epoll_pwait */ +#define __IGNORE_time /* gettimeofday */ +#define __IGNORE_uname /* newuname */ +#define __IGNORE_ustat /* statfs */ +#define __IGNORE_utime /* utimes */ +#define __IGNORE_vfork /* clone */ +#define __IGNORE_wait4 /* waitid */ + /* sync_file_range had a stupid ABI. Allow sync_file_range2 instead */ #ifdef __NR_sync_file_range2 #define __IGNORE_sync_file_range -- cgit v1.2.3 From 72099ed2719fc5829bd79c6ca9d1783ed026eb37 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:29 +0000 Subject: asm-generic: rename atomic.h to atomic-long.h The existing asm-generic/atomic.h only defines the atomic_long type. This renames it to atomic-long.h so we have a place to add a truly generic atomic.h that can be used on all non-SMP systems. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann Acked-by: Ingo Molnar --- arch/alpha/include/asm/atomic.h | 2 +- arch/arm/include/asm/atomic.h | 2 +- arch/avr32/include/asm/atomic.h | 2 +- arch/blackfin/include/asm/atomic.h | 2 +- arch/cris/include/asm/atomic.h | 2 +- arch/frv/include/asm/atomic.h | 2 +- arch/h8300/include/asm/atomic.h | 2 +- arch/ia64/include/asm/atomic.h | 2 +- arch/m32r/include/asm/atomic.h | 2 +- arch/m68k/include/asm/atomic_mm.h | 2 +- arch/m68k/include/asm/atomic_no.h | 2 +- arch/microblaze/include/asm/atomic.h | 2 +- arch/mips/include/asm/atomic.h | 2 +- arch/mn10300/include/asm/atomic.h | 2 +- arch/parisc/include/asm/atomic.h | 2 +- arch/powerpc/include/asm/atomic.h | 2 +- arch/s390/include/asm/atomic.h | 2 +- arch/sh/include/asm/atomic.h | 2 +- arch/sparc/include/asm/atomic_32.h | 2 +- arch/sparc/include/asm/atomic_64.h | 2 +- arch/x86/include/asm/atomic_32.h | 2 +- arch/x86/include/asm/atomic_64.h | 2 +- arch/xtensa/include/asm/atomic.h | 2 +- include/asm-generic/atomic-long.h | 258 +++++++++++++++++++++++++++++++++++ include/asm-generic/atomic.h | 258 ----------------------------------- include/asm-generic/bitops/atomic.h | 1 + 26 files changed, 282 insertions(+), 281 deletions(-) create mode 100644 include/asm-generic/atomic-long.h delete mode 100644 include/asm-generic/atomic.h (limited to 'include') diff --git a/arch/alpha/include/asm/atomic.h b/arch/alpha/include/asm/atomic.h index 62b363584b2b..610dff44d94b 100644 --- a/arch/alpha/include/asm/atomic.h +++ b/arch/alpha/include/asm/atomic.h @@ -256,5 +256,5 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) #define smp_mb__before_atomic_inc() smp_mb() #define smp_mb__after_atomic_inc() smp_mb() -#include +#include #endif /* _ALPHA_ATOMIC_H */ diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h index 16b52f397983..9e07fe507029 100644 --- a/arch/arm/include/asm/atomic.h +++ b/arch/arm/include/asm/atomic.h @@ -249,6 +249,6 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) #define smp_mb__before_atomic_inc() smp_mb() #define smp_mb__after_atomic_inc() smp_mb() -#include +#include #endif #endif diff --git a/arch/avr32/include/asm/atomic.h b/arch/avr32/include/asm/atomic.h index 318815107748..b131c27ddf57 100644 --- a/arch/avr32/include/asm/atomic.h +++ b/arch/avr32/include/asm/atomic.h @@ -196,6 +196,6 @@ static inline int atomic_sub_if_positive(int i, atomic_t *v) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* __ASM_AVR32_ATOMIC_H */ diff --git a/arch/blackfin/include/asm/atomic.h b/arch/blackfin/include/asm/atomic.h index 94b2a9b19451..7bbf44e4ddf9 100644 --- a/arch/blackfin/include/asm/atomic.h +++ b/arch/blackfin/include/asm/atomic.h @@ -208,6 +208,6 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v) #define atomic_sub_and_test(i,v) (atomic_sub_return((i), (v)) == 0) #define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) -#include +#include #endif /* __ARCH_BLACKFIN_ATOMIC __ */ diff --git a/arch/cris/include/asm/atomic.h b/arch/cris/include/asm/atomic.h index 5718dd8902a1..a6aca819e9f3 100644 --- a/arch/cris/include/asm/atomic.h +++ b/arch/cris/include/asm/atomic.h @@ -158,5 +158,5 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif diff --git a/arch/frv/include/asm/atomic.h b/arch/frv/include/asm/atomic.h index 296c35cfb207..0409d981fd39 100644 --- a/arch/frv/include/asm/atomic.h +++ b/arch/frv/include/asm/atomic.h @@ -194,5 +194,5 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -#include +#include #endif /* _ASM_ATOMIC_H */ diff --git a/arch/h8300/include/asm/atomic.h b/arch/h8300/include/asm/atomic.h index 833186c8dc3b..33c8c0fa9583 100644 --- a/arch/h8300/include/asm/atomic.h +++ b/arch/h8300/include/asm/atomic.h @@ -141,5 +141,5 @@ static __inline__ void atomic_set_mask(unsigned long mask, unsigned long *v) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* __ARCH_H8300_ATOMIC __ */ diff --git a/arch/ia64/include/asm/atomic.h b/arch/ia64/include/asm/atomic.h index d37292bd9875..88405cb0832a 100644 --- a/arch/ia64/include/asm/atomic.h +++ b/arch/ia64/include/asm/atomic.h @@ -216,5 +216,5 @@ atomic64_add_negative (__s64 i, atomic64_t *v) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* _ASM_IA64_ATOMIC_H */ diff --git a/arch/m32r/include/asm/atomic.h b/arch/m32r/include/asm/atomic.h index 2eed30f84080..63f0cf0f50dd 100644 --- a/arch/m32r/include/asm/atomic.h +++ b/arch/m32r/include/asm/atomic.h @@ -314,5 +314,5 @@ static __inline__ void atomic_set_mask(unsigned long mask, atomic_t *addr) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* _ASM_M32R_ATOMIC_H */ diff --git a/arch/m68k/include/asm/atomic_mm.h b/arch/m68k/include/asm/atomic_mm.h index eb0ab9d4ee77..88b7af20a996 100644 --- a/arch/m68k/include/asm/atomic_mm.h +++ b/arch/m68k/include/asm/atomic_mm.h @@ -192,5 +192,5 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* __ARCH_M68K_ATOMIC __ */ diff --git a/arch/m68k/include/asm/atomic_no.h b/arch/m68k/include/asm/atomic_no.h index 6bb674855a3f..5674cb9449bd 100644 --- a/arch/m68k/include/asm/atomic_no.h +++ b/arch/m68k/include/asm/atomic_no.h @@ -151,5 +151,5 @@ static __inline__ int atomic_add_unless(atomic_t *v, int a, int u) #define atomic_dec_return(v) atomic_sub_return(1,(v)) #define atomic_inc_return(v) atomic_add_return(1,(v)) -#include +#include #endif /* __ARCH_M68KNOMMU_ATOMIC __ */ diff --git a/arch/microblaze/include/asm/atomic.h b/arch/microblaze/include/asm/atomic.h index a448d94ab721..0de612ad7cb2 100644 --- a/arch/microblaze/include/asm/atomic.h +++ b/arch/microblaze/include/asm/atomic.h @@ -118,6 +118,6 @@ static inline int atomic_dec_if_positive(atomic_t *v) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* _ASM_MICROBLAZE_ATOMIC_H */ diff --git a/arch/mips/include/asm/atomic.h b/arch/mips/include/asm/atomic.h index 1b332e15ab52..eb7f01cfd1ac 100644 --- a/arch/mips/include/asm/atomic.h +++ b/arch/mips/include/asm/atomic.h @@ -793,6 +793,6 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) #define smp_mb__before_atomic_inc() smp_llsc_mb() #define smp_mb__after_atomic_inc() smp_llsc_mb() -#include +#include #endif /* _ASM_ATOMIC_H */ diff --git a/arch/mn10300/include/asm/atomic.h b/arch/mn10300/include/asm/atomic.h index bc064825f9b1..5bf5be9566de 100644 --- a/arch/mn10300/include/asm/atomic.h +++ b/arch/mn10300/include/asm/atomic.h @@ -151,7 +151,7 @@ static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* __KERNEL__ */ #endif /* _ASM_ATOMIC_H */ diff --git a/arch/parisc/include/asm/atomic.h b/arch/parisc/include/asm/atomic.h index ada3e5364d82..7eeaff944360 100644 --- a/arch/parisc/include/asm/atomic.h +++ b/arch/parisc/include/asm/atomic.h @@ -338,6 +338,6 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) #endif /* CONFIG_64BIT */ -#include +#include #endif /* _ASM_PARISC_ATOMIC_H_ */ diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h index b401950f5259..b7d2d07b6f96 100644 --- a/arch/powerpc/include/asm/atomic.h +++ b/arch/powerpc/include/asm/atomic.h @@ -472,6 +472,6 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, long a, long u) #endif /* __powerpc64__ */ -#include +#include #endif /* __KERNEL__ */ #endif /* _ASM_POWERPC_ATOMIC_H_ */ diff --git a/arch/s390/include/asm/atomic.h b/arch/s390/include/asm/atomic.h index de432f2de2d2..fca9dffcc669 100644 --- a/arch/s390/include/asm/atomic.h +++ b/arch/s390/include/asm/atomic.h @@ -275,6 +275,6 @@ static __inline__ int atomic64_add_unless(atomic64_t *v, #define smp_mb__before_atomic_inc() smp_mb() #define smp_mb__after_atomic_inc() smp_mb() -#include +#include #endif /* __KERNEL__ */ #endif /* __ARCH_S390_ATOMIC__ */ diff --git a/arch/sh/include/asm/atomic.h b/arch/sh/include/asm/atomic.h index 6327ffbb1992..a5647d0cd179 100644 --- a/arch/sh/include/asm/atomic.h +++ b/arch/sh/include/asm/atomic.h @@ -84,5 +84,5 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* __ASM_SH_ATOMIC_H */ diff --git a/arch/sparc/include/asm/atomic_32.h b/arch/sparc/include/asm/atomic_32.h index bb91b1248cd1..f0d343c3b956 100644 --- a/arch/sparc/include/asm/atomic_32.h +++ b/arch/sparc/include/asm/atomic_32.h @@ -161,5 +161,5 @@ static inline int __atomic24_sub(int i, atomic24_t *v) #endif /* !(__KERNEL__) */ -#include +#include #endif /* !(__ARCH_SPARC_ATOMIC__) */ diff --git a/arch/sparc/include/asm/atomic_64.h b/arch/sparc/include/asm/atomic_64.h index a0a706492696..f2e48009989e 100644 --- a/arch/sparc/include/asm/atomic_64.h +++ b/arch/sparc/include/asm/atomic_64.h @@ -114,5 +114,5 @@ static inline int atomic64_add_unless(atomic64_t *v, long a, long u) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* !(__ARCH_SPARC64_ATOMIC__) */ diff --git a/arch/x86/include/asm/atomic_32.h b/arch/x86/include/asm/atomic_32.h index 85b46fba4229..c83d31486081 100644 --- a/arch/x86/include/asm/atomic_32.h +++ b/arch/x86/include/asm/atomic_32.h @@ -247,5 +247,5 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* _ASM_X86_ATOMIC_32_H */ diff --git a/arch/x86/include/asm/atomic_64.h b/arch/x86/include/asm/atomic_64.h index 8c21731984da..0d6360220007 100644 --- a/arch/x86/include/asm/atomic_64.h +++ b/arch/x86/include/asm/atomic_64.h @@ -455,5 +455,5 @@ static inline void atomic_or_long(unsigned long *v1, unsigned long v2) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* _ASM_X86_ATOMIC_64_H */ diff --git a/arch/xtensa/include/asm/atomic.h b/arch/xtensa/include/asm/atomic.h index 67ad67bed8c1..22d6dde42619 100644 --- a/arch/xtensa/include/asm/atomic.h +++ b/arch/xtensa/include/asm/atomic.h @@ -292,7 +292,7 @@ static inline void atomic_set_mask(unsigned int mask, atomic_t *v) #define smp_mb__before_atomic_inc() barrier() #define smp_mb__after_atomic_inc() barrier() -#include +#include #endif /* __KERNEL__ */ #endif /* _XTENSA_ATOMIC_H */ diff --git a/include/asm-generic/atomic-long.h b/include/asm-generic/atomic-long.h new file mode 100644 index 000000000000..76e27d66c055 --- /dev/null +++ b/include/asm-generic/atomic-long.h @@ -0,0 +1,258 @@ +#ifndef _ASM_GENERIC_ATOMIC_LONG_H +#define _ASM_GENERIC_ATOMIC_LONG_H +/* + * Copyright (C) 2005 Silicon Graphics, Inc. + * Christoph Lameter + * + * Allows to provide arch independent atomic definitions without the need to + * edit all arch specific atomic.h files. + */ + +#include + +/* + * Suppport for atomic_long_t + * + * Casts for parameters are avoided for existing atomic functions in order to + * avoid issues with cast-as-lval under gcc 4.x and other limitations that the + * macros of a platform may have. + */ + +#if BITS_PER_LONG == 64 + +typedef atomic64_t atomic_long_t; + +#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i) + +static inline long atomic_long_read(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_read(v); +} + +static inline void atomic_long_set(atomic_long_t *l, long i) +{ + atomic64_t *v = (atomic64_t *)l; + + atomic64_set(v, i); +} + +static inline void atomic_long_inc(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + atomic64_inc(v); +} + +static inline void atomic_long_dec(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + atomic64_dec(v); +} + +static inline void atomic_long_add(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + atomic64_add(i, v); +} + +static inline void atomic_long_sub(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + atomic64_sub(i, v); +} + +static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return atomic64_sub_and_test(i, v); +} + +static inline int atomic_long_dec_and_test(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return atomic64_dec_and_test(v); +} + +static inline int atomic_long_inc_and_test(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return atomic64_inc_and_test(v); +} + +static inline int atomic_long_add_negative(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return atomic64_add_negative(i, v); +} + +static inline long atomic_long_add_return(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_add_return(i, v); +} + +static inline long atomic_long_sub_return(long i, atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_sub_return(i, v); +} + +static inline long atomic_long_inc_return(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_inc_return(v); +} + +static inline long atomic_long_dec_return(atomic_long_t *l) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_dec_return(v); +} + +static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) +{ + atomic64_t *v = (atomic64_t *)l; + + return (long)atomic64_add_unless(v, a, u); +} + +#define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l)) + +#define atomic_long_cmpxchg(l, old, new) \ + (atomic64_cmpxchg((atomic64_t *)(l), (old), (new))) +#define atomic_long_xchg(v, new) \ + (atomic64_xchg((atomic64_t *)(l), (new))) + +#else /* BITS_PER_LONG == 64 */ + +typedef atomic_t atomic_long_t; + +#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i) +static inline long atomic_long_read(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_read(v); +} + +static inline void atomic_long_set(atomic_long_t *l, long i) +{ + atomic_t *v = (atomic_t *)l; + + atomic_set(v, i); +} + +static inline void atomic_long_inc(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + atomic_inc(v); +} + +static inline void atomic_long_dec(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + atomic_dec(v); +} + +static inline void atomic_long_add(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + atomic_add(i, v); +} + +static inline void atomic_long_sub(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + atomic_sub(i, v); +} + +static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return atomic_sub_and_test(i, v); +} + +static inline int atomic_long_dec_and_test(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return atomic_dec_and_test(v); +} + +static inline int atomic_long_inc_and_test(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return atomic_inc_and_test(v); +} + +static inline int atomic_long_add_negative(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return atomic_add_negative(i, v); +} + +static inline long atomic_long_add_return(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_add_return(i, v); +} + +static inline long atomic_long_sub_return(long i, atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_sub_return(i, v); +} + +static inline long atomic_long_inc_return(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_inc_return(v); +} + +static inline long atomic_long_dec_return(atomic_long_t *l) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_dec_return(v); +} + +static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) +{ + atomic_t *v = (atomic_t *)l; + + return (long)atomic_add_unless(v, a, u); +} + +#define atomic_long_inc_not_zero(l) atomic_inc_not_zero((atomic_t *)(l)) + +#define atomic_long_cmpxchg(l, old, new) \ + (atomic_cmpxchg((atomic_t *)(l), (old), (new))) +#define atomic_long_xchg(v, new) \ + (atomic_xchg((atomic_t *)(v), (new))) + +#endif /* BITS_PER_LONG == 64 */ + +#endif /* _ASM_GENERIC_ATOMIC_LONG_H */ diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h deleted file mode 100644 index 3673a13b6703..000000000000 --- a/include/asm-generic/atomic.h +++ /dev/null @@ -1,258 +0,0 @@ -#ifndef _ASM_GENERIC_ATOMIC_H -#define _ASM_GENERIC_ATOMIC_H -/* - * Copyright (C) 2005 Silicon Graphics, Inc. - * Christoph Lameter - * - * Allows to provide arch independent atomic definitions without the need to - * edit all arch specific atomic.h files. - */ - -#include - -/* - * Suppport for atomic_long_t - * - * Casts for parameters are avoided for existing atomic functions in order to - * avoid issues with cast-as-lval under gcc 4.x and other limitations that the - * macros of a platform may have. - */ - -#if BITS_PER_LONG == 64 - -typedef atomic64_t atomic_long_t; - -#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i) - -static inline long atomic_long_read(atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - return (long)atomic64_read(v); -} - -static inline void atomic_long_set(atomic_long_t *l, long i) -{ - atomic64_t *v = (atomic64_t *)l; - - atomic64_set(v, i); -} - -static inline void atomic_long_inc(atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - atomic64_inc(v); -} - -static inline void atomic_long_dec(atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - atomic64_dec(v); -} - -static inline void atomic_long_add(long i, atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - atomic64_add(i, v); -} - -static inline void atomic_long_sub(long i, atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - atomic64_sub(i, v); -} - -static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - return atomic64_sub_and_test(i, v); -} - -static inline int atomic_long_dec_and_test(atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - return atomic64_dec_and_test(v); -} - -static inline int atomic_long_inc_and_test(atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - return atomic64_inc_and_test(v); -} - -static inline int atomic_long_add_negative(long i, atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - return atomic64_add_negative(i, v); -} - -static inline long atomic_long_add_return(long i, atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - return (long)atomic64_add_return(i, v); -} - -static inline long atomic_long_sub_return(long i, atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - return (long)atomic64_sub_return(i, v); -} - -static inline long atomic_long_inc_return(atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - return (long)atomic64_inc_return(v); -} - -static inline long atomic_long_dec_return(atomic_long_t *l) -{ - atomic64_t *v = (atomic64_t *)l; - - return (long)atomic64_dec_return(v); -} - -static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) -{ - atomic64_t *v = (atomic64_t *)l; - - return (long)atomic64_add_unless(v, a, u); -} - -#define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l)) - -#define atomic_long_cmpxchg(l, old, new) \ - (atomic64_cmpxchg((atomic64_t *)(l), (old), (new))) -#define atomic_long_xchg(v, new) \ - (atomic64_xchg((atomic64_t *)(l), (new))) - -#else /* BITS_PER_LONG == 64 */ - -typedef atomic_t atomic_long_t; - -#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i) -static inline long atomic_long_read(atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - return (long)atomic_read(v); -} - -static inline void atomic_long_set(atomic_long_t *l, long i) -{ - atomic_t *v = (atomic_t *)l; - - atomic_set(v, i); -} - -static inline void atomic_long_inc(atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - atomic_inc(v); -} - -static inline void atomic_long_dec(atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - atomic_dec(v); -} - -static inline void atomic_long_add(long i, atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - atomic_add(i, v); -} - -static inline void atomic_long_sub(long i, atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - atomic_sub(i, v); -} - -static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - return atomic_sub_and_test(i, v); -} - -static inline int atomic_long_dec_and_test(atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - return atomic_dec_and_test(v); -} - -static inline int atomic_long_inc_and_test(atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - return atomic_inc_and_test(v); -} - -static inline int atomic_long_add_negative(long i, atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - return atomic_add_negative(i, v); -} - -static inline long atomic_long_add_return(long i, atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - return (long)atomic_add_return(i, v); -} - -static inline long atomic_long_sub_return(long i, atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - return (long)atomic_sub_return(i, v); -} - -static inline long atomic_long_inc_return(atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - return (long)atomic_inc_return(v); -} - -static inline long atomic_long_dec_return(atomic_long_t *l) -{ - atomic_t *v = (atomic_t *)l; - - return (long)atomic_dec_return(v); -} - -static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u) -{ - atomic_t *v = (atomic_t *)l; - - return (long)atomic_add_unless(v, a, u); -} - -#define atomic_long_inc_not_zero(l) atomic_inc_not_zero((atomic_t *)(l)) - -#define atomic_long_cmpxchg(l, old, new) \ - (atomic_cmpxchg((atomic_t *)(l), (old), (new))) -#define atomic_long_xchg(v, new) \ - (atomic_xchg((atomic_t *)(v), (new))) - -#endif /* BITS_PER_LONG == 64 */ - -#endif /* _ASM_GENERIC_ATOMIC_H */ diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h index 4657f3e410fc..c8946465e63a 100644 --- a/include/asm-generic/bitops/atomic.h +++ b/include/asm-generic/bitops/atomic.h @@ -2,6 +2,7 @@ #define _ASM_GENERIC_BITOPS_ATOMIC_H_ #include +#include #ifdef CONFIG_SMP #include -- cgit v1.2.3 From 5b17e1cd8928ae65932758ce6478ac6d3e9a86b2 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:30 +0000 Subject: asm-generic: rename page.h and uaccess.h The current asm-generic/page.h only contains the get_order function, and asm-generic/uaccess.h only implements unaligned accesses. This renames the file to getorder.h and uaccess-unaligned.h to make room for new page.h and uaccess.h file that will be usable by all simple (e.g. nommu) architectures. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- arch/alpha/include/asm/page.h | 2 +- arch/arm/include/asm/page.h | 2 +- arch/blackfin/include/asm/page.h | 2 +- arch/cris/include/asm/page.h | 2 +- arch/frv/include/asm/page.h | 2 +- arch/h8300/include/asm/page.h | 2 +- arch/m32r/include/asm/page.h | 2 +- arch/m68k/include/asm/page_mm.h | 2 +- arch/m68k/include/asm/page_no.h | 2 +- arch/microblaze/include/asm/page.h | 2 +- arch/mips/include/asm/page.h | 2 +- arch/parisc/include/asm/page.h | 2 +- arch/parisc/include/asm/uaccess.h | 2 +- arch/powerpc/include/asm/page_32.h | 2 +- arch/powerpc/include/asm/page_64.h | 2 +- arch/s390/include/asm/page.h | 2 +- arch/sh/include/asm/page.h | 2 +- arch/sparc/include/asm/page_32.h | 2 +- arch/sparc/include/asm/page_64.h | 2 +- arch/sparc/include/asm/uaccess_64.h | 2 +- arch/um/include/asm/page.h | 2 +- arch/x86/include/asm/page.h | 2 +- arch/xtensa/include/asm/page.h | 2 +- include/asm-generic/getorder.h | 24 ++++++++++++++++++++++++ include/asm-generic/page.h | 24 ------------------------ include/asm-generic/uaccess-unaligned.h | 26 ++++++++++++++++++++++++++ include/asm-generic/uaccess.h | 26 -------------------------- 27 files changed, 73 insertions(+), 73 deletions(-) create mode 100644 include/asm-generic/getorder.h delete mode 100644 include/asm-generic/page.h create mode 100644 include/asm-generic/uaccess-unaligned.h delete mode 100644 include/asm-generic/uaccess.h (limited to 'include') diff --git a/arch/alpha/include/asm/page.h b/arch/alpha/include/asm/page.h index 0995f9d13417..07af062544fb 100644 --- a/arch/alpha/include/asm/page.h +++ b/arch/alpha/include/asm/page.h @@ -93,6 +93,6 @@ typedef struct page *pgtable_t; VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include -#include +#include #endif /* _ALPHA_PAGE_H */ diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h index 7b522770f29d..be962c1349c4 100644 --- a/arch/arm/include/asm/page.h +++ b/arch/arm/include/asm/page.h @@ -202,6 +202,6 @@ typedef struct page *pgtable_t; (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#include +#include #endif diff --git a/arch/blackfin/include/asm/page.h b/arch/blackfin/include/asm/page.h index 344f6a8c1f22..3ea2016a1d4a 100644 --- a/arch/blackfin/include/asm/page.h +++ b/arch/blackfin/include/asm/page.h @@ -81,7 +81,7 @@ extern unsigned long memory_end; #define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ ((void *)(kaddr) < (void *)memory_end)) -#include +#include #endif /* __ASSEMBLY__ */ diff --git a/arch/cris/include/asm/page.h b/arch/cris/include/asm/page.h index f3fdbd09c34c..be45ee366be9 100644 --- a/arch/cris/include/asm/page.h +++ b/arch/cris/include/asm/page.h @@ -68,7 +68,7 @@ typedef struct page *pgtable_t; VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include -#include +#include #endif /* _CRIS_PAGE_H */ diff --git a/arch/frv/include/asm/page.h b/arch/frv/include/asm/page.h index bd9c220094c7..25c6a5002355 100644 --- a/arch/frv/include/asm/page.h +++ b/arch/frv/include/asm/page.h @@ -73,6 +73,6 @@ extern unsigned long max_pfn; #endif /* __ASSEMBLY__ */ #include -#include +#include #endif /* _ASM_PAGE_H */ diff --git a/arch/h8300/include/asm/page.h b/arch/h8300/include/asm/page.h index 0b6acf0b03aa..837381a2df46 100644 --- a/arch/h8300/include/asm/page.h +++ b/arch/h8300/include/asm/page.h @@ -73,6 +73,6 @@ extern unsigned long memory_end; #endif /* __ASSEMBLY__ */ #include -#include +#include #endif /* _H8300_PAGE_H */ diff --git a/arch/m32r/include/asm/page.h b/arch/m32r/include/asm/page.h index c9333089fe11..11777f7a5628 100644 --- a/arch/m32r/include/asm/page.h +++ b/arch/m32r/include/asm/page.h @@ -82,6 +82,6 @@ typedef struct page *pgtable_t; #define devmem_is_allowed(x) 1 #include -#include +#include #endif /* _ASM_M32R_PAGE_H */ diff --git a/arch/m68k/include/asm/page_mm.h b/arch/m68k/include/asm/page_mm.h index a34b8bad7847..d009f3ea39ab 100644 --- a/arch/m68k/include/asm/page_mm.h +++ b/arch/m68k/include/asm/page_mm.h @@ -223,6 +223,6 @@ static inline __attribute_const__ int __virt_to_node_shift(void) #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#include +#include #endif /* _M68K_PAGE_H */ diff --git a/arch/m68k/include/asm/page_no.h b/arch/m68k/include/asm/page_no.h index 3a1ede4544cb..9aa3f90f4855 100644 --- a/arch/m68k/include/asm/page_no.h +++ b/arch/m68k/include/asm/page_no.h @@ -72,6 +72,6 @@ extern unsigned long memory_end; #endif /* __ASSEMBLY__ */ -#include +#include #endif /* _M68KNOMMU_PAGE_H */ diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h index 7238dcfcc517..962c210e5b9a 100644 --- a/arch/microblaze/include/asm/page.h +++ b/arch/microblaze/include/asm/page.h @@ -135,6 +135,6 @@ extern unsigned int memory_size; #endif /* __KERNEL__ */ #include -#include +#include #endif /* _ASM_MICROBLAZE_PAGE_H */ diff --git a/arch/mips/include/asm/page.h b/arch/mips/include/asm/page.h index 9f946e4ca057..72c80d2034c2 100644 --- a/arch/mips/include/asm/page.h +++ b/arch/mips/include/asm/page.h @@ -189,6 +189,6 @@ typedef struct { unsigned long pgprot; } pgprot_t; #define CAC_ADDR(addr) ((addr) - UNCAC_BASE + PAGE_OFFSET) #include -#include +#include #endif /* _ASM_PAGE_H */ diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h index 7bc5125d7d4c..a84cc1f925f6 100644 --- a/arch/parisc/include/asm/page.h +++ b/arch/parisc/include/asm/page.h @@ -159,6 +159,6 @@ extern int npmem_ranges; VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include -#include +#include #endif /* _PARISC_PAGE_H */ diff --git a/arch/parisc/include/asm/uaccess.h b/arch/parisc/include/asm/uaccess.h index cd4c0b2a8e70..7cf799d70b4c 100644 --- a/arch/parisc/include/asm/uaccess.h +++ b/arch/parisc/include/asm/uaccess.h @@ -7,7 +7,7 @@ #include #include #include -#include +#include #define VERIFY_READ 0 #define VERIFY_WRITE 1 diff --git a/arch/powerpc/include/asm/page_32.h b/arch/powerpc/include/asm/page_32.h index a0e3f6e6b4ee..bd0849dbcaaa 100644 --- a/arch/powerpc/include/asm/page_32.h +++ b/arch/powerpc/include/asm/page_32.h @@ -41,7 +41,7 @@ extern void clear_pages(void *page, int order); static inline void clear_page(void *page) { clear_pages(page, 0); } extern void copy_page(void *to, void *from); -#include +#include #define PGD_T_LOG2 (__builtin_ffs(sizeof(pgd_t)) - 1) #define PTE_T_LOG2 (__builtin_ffs(sizeof(pte_t)) - 1) diff --git a/arch/powerpc/include/asm/page_64.h b/arch/powerpc/include/asm/page_64.h index 043bfdfe4f73..5817a3b747e5 100644 --- a/arch/powerpc/include/asm/page_64.h +++ b/arch/powerpc/include/asm/page_64.h @@ -180,6 +180,6 @@ do { \ (test_thread_flag(TIF_32BIT) ? \ VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64) -#include +#include #endif /* _ASM_POWERPC_PAGE_64_H */ diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h index 32e8f6aa4384..3e3594d01f83 100644 --- a/arch/s390/include/asm/page.h +++ b/arch/s390/include/asm/page.h @@ -150,7 +150,7 @@ void arch_alloc_page(struct page *page, int order); VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include -#include +#include #define __HAVE_ARCH_GATE_AREA 1 diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h index 9c6d21ec0240..49592c780a6e 100644 --- a/arch/sh/include/asm/page.h +++ b/arch/sh/include/asm/page.h @@ -163,7 +163,7 @@ typedef struct page *pgtable_t; VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include -#include +#include /* vDSO support */ #ifdef CONFIG_VSYSCALL diff --git a/arch/sparc/include/asm/page_32.h b/arch/sparc/include/asm/page_32.h index d1806edc0958..f72080bdda94 100644 --- a/arch/sparc/include/asm/page_32.h +++ b/arch/sparc/include/asm/page_32.h @@ -152,6 +152,6 @@ extern unsigned long pfn_base; VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) #include -#include +#include #endif /* _SPARC_PAGE_H */ diff --git a/arch/sparc/include/asm/page_64.h b/arch/sparc/include/asm/page_64.h index 4274ed13ddb2..f0d09b401036 100644 --- a/arch/sparc/include/asm/page_64.h +++ b/arch/sparc/include/asm/page_64.h @@ -132,6 +132,6 @@ typedef struct page *pgtable_t; #define VM_DATA_DEFAULT_FLAGS (VM_READ | VM_WRITE | VM_EXEC | \ VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -#include +#include #endif /* _SPARC64_PAGE_H */ diff --git a/arch/sparc/include/asm/uaccess_64.h b/arch/sparc/include/asm/uaccess_64.h index c64e767a3e4b..a38c03238918 100644 --- a/arch/sparc/include/asm/uaccess_64.h +++ b/arch/sparc/include/asm/uaccess_64.h @@ -12,7 +12,7 @@ #include #include #include -#include +#include #endif #ifndef __ASSEMBLY__ diff --git a/arch/um/include/asm/page.h b/arch/um/include/asm/page.h index 55f28a0bae6d..4cc9b6cf480a 100644 --- a/arch/um/include/asm/page.h +++ b/arch/um/include/asm/page.h @@ -116,7 +116,7 @@ extern unsigned long uml_physmem; #define virt_addr_valid(v) pfn_valid(phys_to_pfn(__pa(v))) #include -#include +#include #endif /* __ASSEMBLY__ */ #endif /* __UM_PAGE_H */ diff --git a/arch/x86/include/asm/page.h b/arch/x86/include/asm/page.h index 89ed9d70b0aa..625c3f0e741a 100644 --- a/arch/x86/include/asm/page.h +++ b/arch/x86/include/asm/page.h @@ -56,7 +56,7 @@ extern bool __virt_addr_valid(unsigned long kaddr); #endif /* __ASSEMBLY__ */ #include -#include +#include #define __HAVE_ARCH_GATE_AREA 1 diff --git a/arch/xtensa/include/asm/page.h b/arch/xtensa/include/asm/page.h index 17e0c5383b10..161bb89e98c8 100644 --- a/arch/xtensa/include/asm/page.h +++ b/arch/xtensa/include/asm/page.h @@ -129,7 +129,7 @@ static inline __attribute_const__ int get_order(unsigned long size) #else -# include +# include #endif diff --git a/include/asm-generic/getorder.h b/include/asm-generic/getorder.h new file mode 100644 index 000000000000..67e7245dc9b3 --- /dev/null +++ b/include/asm-generic/getorder.h @@ -0,0 +1,24 @@ +#ifndef __ASM_GENERIC_GETORDER_H +#define __ASM_GENERIC_GETORDER_H + +#ifndef __ASSEMBLY__ + +#include + +/* Pure 2^n version of get_order */ +static inline __attribute_const__ int get_order(unsigned long size) +{ + int order; + + size = (size - 1) >> (PAGE_SHIFT - 1); + order = -1; + do { + size >>= 1; + order++; + } while (size); + return order; +} + +#endif /* __ASSEMBLY__ */ + +#endif /* __ASM_GENERIC_GETORDER_H */ diff --git a/include/asm-generic/page.h b/include/asm-generic/page.h deleted file mode 100644 index 14db733b8e68..000000000000 --- a/include/asm-generic/page.h +++ /dev/null @@ -1,24 +0,0 @@ -#ifndef _ASM_GENERIC_PAGE_H -#define _ASM_GENERIC_PAGE_H - -#ifndef __ASSEMBLY__ - -#include - -/* Pure 2^n version of get_order */ -static __inline__ __attribute_const__ int get_order(unsigned long size) -{ - int order; - - size = (size - 1) >> (PAGE_SHIFT - 1); - order = -1; - do { - size >>= 1; - order++; - } while (size); - return order; -} - -#endif /* __ASSEMBLY__ */ - -#endif /* _ASM_GENERIC_PAGE_H */ diff --git a/include/asm-generic/uaccess-unaligned.h b/include/asm-generic/uaccess-unaligned.h new file mode 100644 index 000000000000..67deb898f0c5 --- /dev/null +++ b/include/asm-generic/uaccess-unaligned.h @@ -0,0 +1,26 @@ +#ifndef __ASM_GENERIC_UACCESS_UNALIGNED_H +#define __ASM_GENERIC_UACCESS_UNALIGNED_H + +/* + * This macro should be used instead of __get_user() when accessing + * values at locations that are not known to be aligned. + */ +#define __get_user_unaligned(x, ptr) \ +({ \ + __typeof__ (*(ptr)) __x; \ + __copy_from_user(&__x, (ptr), sizeof(*(ptr))) ? -EFAULT : 0; \ + (x) = __x; \ +}) + + +/* + * This macro should be used instead of __put_user() when accessing + * values at locations that are not known to be aligned. + */ +#define __put_user_unaligned(x, ptr) \ +({ \ + __typeof__ (*(ptr)) __x = (x); \ + __copy_to_user((ptr), &__x, sizeof(*(ptr))) ? -EFAULT : 0; \ +}) + +#endif /* __ASM_GENERIC_UACCESS_UNALIGNED_H */ diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h deleted file mode 100644 index 549cb3a1640a..000000000000 --- a/include/asm-generic/uaccess.h +++ /dev/null @@ -1,26 +0,0 @@ -#ifndef _ASM_GENERIC_UACCESS_H_ -#define _ASM_GENERIC_UACCESS_H_ - -/* - * This macro should be used instead of __get_user() when accessing - * values at locations that are not known to be aligned. - */ -#define __get_user_unaligned(x, ptr) \ -({ \ - __typeof__ (*(ptr)) __x; \ - __copy_from_user(&__x, (ptr), sizeof(*(ptr))) ? -EFAULT : 0; \ - (x) = __x; \ -}) - - -/* - * This macro should be used instead of __put_user() when accessing - * values at locations that are not known to be aligned. - */ -#define __put_user_unaligned(x, ptr) \ -({ \ - __typeof__ (*(ptr)) __x = (x); \ - __copy_to_user((ptr), &__x, sizeof(*(ptr))) ? -EFAULT : 0; \ -}) - -#endif /* _ASM_GENERIC_UACCESS_H */ -- cgit v1.2.3 From 3aef392822e1a42e80077a332ea2efdfd8a4248a Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Sun, 17 May 2009 21:00:05 +0000 Subject: asm-generic: make get_rtc_time overridable Evidently, set_rtc_time is supposed to be overridable by architectures that define their own version, but unfortunately, get_rtc_ss would in that case still use the generic version. This makes get_rtc_ss call the real set_rtc_time to let architectures define their own version. The change should fix the "Extended RTC operation" on Alpha, which uses the incorrect get_rtc_ss call. It also allows PowerPC to use the asm-generic/rtc.h file in the future. Cc: Richard Henderson Cc: linux-alpha@vger.kernel.org Cc: Tom Rini Cc: rtc-linux@googlegroups.com Cc: Alessandro Zummo Cc: Paul Gortmaker Signed-off-by: Arnd Bergmann --- include/asm-generic/rtc.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include') diff --git a/include/asm-generic/rtc.h b/include/asm-generic/rtc.h index 763e3b060f43..fa86f240c874 100644 --- a/include/asm-generic/rtc.h +++ b/include/asm-generic/rtc.h @@ -202,7 +202,7 @@ static inline unsigned int get_rtc_ss(void) { struct rtc_time h; - __get_rtc_time(&h); + get_rtc_time(&h); return h.tm_sec; } -- cgit v1.2.3 From d7c4f1b78afeedfc22b1756fcdc1acbe84284d74 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:31 +0000 Subject: asm-generic: make pci.h usable directly Some generic code is using the horribly misnamed PCI_DMA_BUS_IS_PHYS from asm/pci.h. This makes sure that an architecture without PCI support does not have to define this itself but can rely on the asm-generic version. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- arch/frv/include/asm/pci.h | 13 +++---------- arch/m32r/include/asm/pci.h | 2 -- include/asm-generic/pci.h | 8 ++++++++ 3 files changed, 11 insertions(+), 12 deletions(-) (limited to 'include') diff --git a/arch/frv/include/asm/pci.h b/arch/frv/include/asm/pci.h index 585d9b49949a..3ce227ba7744 100644 --- a/arch/frv/include/asm/pci.h +++ b/arch/frv/include/asm/pci.h @@ -10,8 +10,8 @@ * 2 of the License, or (at your option) any later version. */ -#ifndef ASM_PCI_H -#define ASM_PCI_H +#ifndef _ASM_FRV_PCI_H +#define _ASM_FRV_PCI_H #include #include @@ -43,12 +43,6 @@ extern void pci_free_consistent(struct pci_dev *hwdev, size_t size, /* Return the index of the PCI controller for device PDEV. */ #define pci_controller_num(PDEV) (0) -/* The PCI address space does equal the physical memory - * address space. The networking and block device layers use - * this boolean for bounce buffer decisions. - */ -#define PCI_DMA_BUS_IS_PHYS (1) - /* pci_unmap_{page,single} is a nop so... */ #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) #define DECLARE_PCI_UNMAP_LEN(LEN_NAME) @@ -114,5 +108,4 @@ static inline void pci_dma_sync_sg(struct pci_dev *hwdev, sg_dma_address(&sg[i])+sg_dma_len(&sg[i])); } - -#endif +#endif /* _ASM_FRV_PCI_H */ diff --git a/arch/m32r/include/asm/pci.h b/arch/m32r/include/asm/pci.h index fe785d167db6..07d3834c6dec 100644 --- a/arch/m32r/include/asm/pci.h +++ b/arch/m32r/include/asm/pci.h @@ -3,6 +3,4 @@ #include -#define PCI_DMA_BUS_IS_PHYS (1) - #endif /* _ASM_M32R_PCI_H */ diff --git a/include/asm-generic/pci.h b/include/asm-generic/pci.h index c36a77d3bf44..515c6e2e3218 100644 --- a/include/asm-generic/pci.h +++ b/include/asm-generic/pci.h @@ -52,4 +52,12 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) } #endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */ +/* + * By default, assume that no iommu is in use and that the PCI + * space is mapped to address physical 0. + */ +#ifndef PCI_DMA_BUS_IS_PHYS +#define PCI_DMA_BUS_IS_PHYS (1) #endif + +#endif /* _ASM_GENERIC_PCI_H */ -- cgit v1.2.3 From 9858c60cc2d33b18367b2bc6947e3ea23db26ccb Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:32 +0000 Subject: asm-generic: make bitops.h usable bitops.h apparently suffered from some level of bitrot, it was missing the smp_mb__{before,after}_clear_bit functions, and included other headers in an invalid order. This changes the file so that new architectures can use it out of the box. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- include/asm-generic/bitops.h | 24 ++++++++++++++++++------ 1 file changed, 18 insertions(+), 6 deletions(-) (limited to 'include') diff --git a/include/asm-generic/bitops.h b/include/asm-generic/bitops.h index c9f369c4bd7e..a54f4421a24d 100644 --- a/include/asm-generic/bitops.h +++ b/include/asm-generic/bitops.h @@ -1,19 +1,29 @@ -#ifndef _ASM_GENERIC_BITOPS_H_ -#define _ASM_GENERIC_BITOPS_H_ +#ifndef __ASM_GENERIC_BITOPS_H +#define __ASM_GENERIC_BITOPS_H /* * For the benefit of those who are trying to port Linux to another * architecture, here are some C-language equivalents. You should * recode these in the native assembly language, if at all possible. - * + * * C language equivalents written by Theodore Ts'o, 9/26/92 */ -#include -#include +#include +#include + +/* + * clear_bit may not imply a memory barrier + */ +#ifndef smp_mb__before_clear_bit +#define smp_mb__before_clear_bit() smp_mb() +#define smp_mb__after_clear_bit() smp_mb() +#endif + #include #include #include +#include #include #include @@ -26,8 +36,10 @@ #include #include +#include +#include #include #include #include -#endif /* _ASM_GENERIC_BITOPS_H */ +#endif /* __ASM_GENERIC_BITOPS_H */ -- cgit v1.2.3 From aafe4dbed0bf6cbdb2e9f03e1d42f8a540d8541d Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:33 +0000 Subject: asm-generic: add generic versions of common headers These are all kernel internal interfaces that get copied around a lot. In most cases, architectures can provide their own optimized versions, but these generic versions can work as well. I have tried to use the most common contents of each header to allow existing architectures to migrate easily. Thanks to Remis for suggesting a number of cleanups. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- include/asm-generic/bugs.h | 10 +++ include/asm-generic/current.h | 9 +++ include/asm-generic/delay.h | 9 +++ include/asm-generic/fb.h | 12 +++ include/asm-generic/hardirq.h | 34 ++++++++ include/asm-generic/irq.h | 18 +++++ include/asm-generic/irqflags.h | 72 +++++++++++++++++ include/asm-generic/kmap_types.h | 32 ++++++++ include/asm-generic/linkage.h | 8 ++ include/asm-generic/module.h | 22 ++++++ include/asm-generic/mutex.h | 9 +++ include/asm-generic/scatterlist.h | 43 ++++++++++ include/asm-generic/spinlock.h | 11 +++ include/asm-generic/string.h | 10 +++ include/asm-generic/syscalls.h | 60 ++++++++++++++ include/asm-generic/system.h | 161 ++++++++++++++++++++++++++++++++++++++ include/asm-generic/unaligned.h | 30 +++++++ include/asm-generic/user.h | 8 ++ 18 files changed, 558 insertions(+) create mode 100644 include/asm-generic/bugs.h create mode 100644 include/asm-generic/current.h create mode 100644 include/asm-generic/delay.h create mode 100644 include/asm-generic/fb.h create mode 100644 include/asm-generic/hardirq.h create mode 100644 include/asm-generic/irq.h create mode 100644 include/asm-generic/irqflags.h create mode 100644 include/asm-generic/kmap_types.h create mode 100644 include/asm-generic/linkage.h create mode 100644 include/asm-generic/module.h create mode 100644 include/asm-generic/mutex.h create mode 100644 include/asm-generic/scatterlist.h create mode 100644 include/asm-generic/spinlock.h create mode 100644 include/asm-generic/string.h create mode 100644 include/asm-generic/syscalls.h create mode 100644 include/asm-generic/system.h create mode 100644 include/asm-generic/unaligned.h create mode 100644 include/asm-generic/user.h (limited to 'include') diff --git a/include/asm-generic/bugs.h b/include/asm-generic/bugs.h new file mode 100644 index 000000000000..6c4f62ea714d --- /dev/null +++ b/include/asm-generic/bugs.h @@ -0,0 +1,10 @@ +#ifndef __ASM_GENERIC_BUGS_H +#define __ASM_GENERIC_BUGS_H +/* + * This file is included by 'init/main.c' to check for + * architecture-dependent bugs. + */ + +static inline void check_bugs(void) { } + +#endif /* __ASM_GENERIC_BUGS_H */ diff --git a/include/asm-generic/current.h b/include/asm-generic/current.h new file mode 100644 index 000000000000..5e86f6ae7cab --- /dev/null +++ b/include/asm-generic/current.h @@ -0,0 +1,9 @@ +#ifndef __ASM_GENERIC_CURRENT_H +#define __ASM_GENERIC_CURRENT_H + +#include + +#define get_current() (current_thread_info()->task) +#define current get_current() + +#endif /* __ASM_GENERIC_CURRENT_H */ diff --git a/include/asm-generic/delay.h b/include/asm-generic/delay.h new file mode 100644 index 000000000000..4586fec75ddb --- /dev/null +++ b/include/asm-generic/delay.h @@ -0,0 +1,9 @@ +#ifndef __ASM_GENERIC_DELAY_H +#define __ASM_GENERIC_DELAY_H + +extern void __udelay(unsigned long usecs); +extern void __delay(unsigned long loops); + +#define udelay(n) __udelay(n) + +#endif /* __ASM_GENERIC_DELAY_H */ diff --git a/include/asm-generic/fb.h b/include/asm-generic/fb.h new file mode 100644 index 000000000000..fe8ca7fcea00 --- /dev/null +++ b/include/asm-generic/fb.h @@ -0,0 +1,12 @@ +#ifndef __ASM_GENERIC_FB_H_ +#define __ASM_GENERIC_FB_H_ +#include + +#define fb_pgprotect(...) do {} while (0) + +static inline int fb_is_primary_device(struct fb_info *info) +{ + return 0; +} + +#endif /* __ASM_GENERIC_FB_H_ */ diff --git a/include/asm-generic/hardirq.h b/include/asm-generic/hardirq.h new file mode 100644 index 000000000000..3d5d2c906ab3 --- /dev/null +++ b/include/asm-generic/hardirq.h @@ -0,0 +1,34 @@ +#ifndef __ASM_GENERIC_HARDIRQ_H +#define __ASM_GENERIC_HARDIRQ_H + +#include +#include +#include + +typedef struct { + unsigned long __softirq_pending; +} ____cacheline_aligned irq_cpustat_t; + +#include /* Standard mappings for irq_cpustat_t above */ + +#ifndef HARDIRQ_BITS +#define HARDIRQ_BITS 8 +#endif + +/* + * The hardirq mask has to be large enough to have + * space for potentially all IRQ sources in the system + * nesting on a single CPU: + */ +#if (1 << HARDIRQ_BITS) < NR_IRQS +# error HARDIRQ_BITS is too low! +#endif + +#ifndef ack_bad_irq +static inline void ack_bad_irq(unsigned int irq) +{ + printk(KERN_CRIT "unexpected IRQ trap at vector %02x\n", irq); +} +#endif + +#endif /* __ASM_GENERIC_HARDIRQ_H */ diff --git a/include/asm-generic/irq.h b/include/asm-generic/irq.h new file mode 100644 index 000000000000..b90ec0bc485f --- /dev/null +++ b/include/asm-generic/irq.h @@ -0,0 +1,18 @@ +#ifndef __ASM_GENERIC_IRQ_H +#define __ASM_GENERIC_IRQ_H + +/* + * NR_IRQS is the upper bound of how many interrupts can be handled + * in the platform. It is used to size the static irq_map array, + * so don't make it too big. + */ +#ifndef NR_IRQS +#define NR_IRQS 64 +#endif + +static inline int irq_canonicalize(int irq) +{ + return irq; +} + +#endif /* __ASM_GENERIC_IRQ_H */ diff --git a/include/asm-generic/irqflags.h b/include/asm-generic/irqflags.h new file mode 100644 index 000000000000..9aebf618275a --- /dev/null +++ b/include/asm-generic/irqflags.h @@ -0,0 +1,72 @@ +#ifndef __ASM_GENERIC_IRQFLAGS_H +#define __ASM_GENERIC_IRQFLAGS_H + +/* + * All architectures should implement at least the first two functions, + * usually inline assembly will be the best way. + */ +#ifndef RAW_IRQ_DISABLED +#define RAW_IRQ_DISABLED 0 +#define RAW_IRQ_ENABLED 1 +#endif + +/* read interrupt enabled status */ +#ifndef __raw_local_save_flags +unsigned long __raw_local_save_flags(void); +#endif + +/* set interrupt enabled status */ +#ifndef raw_local_irq_restore +void raw_local_irq_restore(unsigned long flags); +#endif + +/* get status and disable interrupts */ +#ifndef __raw_local_irq_save +static inline unsigned long __raw_local_irq_save(void) +{ + unsigned long flags; + flags = __raw_local_save_flags(); + raw_local_irq_restore(RAW_IRQ_DISABLED); + return flags; +} +#endif + +/* test flags */ +#ifndef raw_irqs_disabled_flags +static inline int raw_irqs_disabled_flags(unsigned long flags) +{ + return flags == RAW_IRQ_DISABLED; +} +#endif + +/* unconditionally enable interrupts */ +#ifndef raw_local_irq_enable +static inline void raw_local_irq_enable(void) +{ + raw_local_irq_restore(RAW_IRQ_ENABLED); +} +#endif + +/* unconditionally disable interrupts */ +#ifndef raw_local_irq_disable +static inline void raw_local_irq_disable(void) +{ + raw_local_irq_restore(RAW_IRQ_DISABLED); +} +#endif + +/* test hardware interrupt enable bit */ +#ifndef raw_irqs_disabled +static inline int raw_irqs_disabled(void) +{ + return raw_irqs_disabled_flags(__raw_local_save_flags()); +} +#endif + +#define raw_local_save_flags(flags) \ + do { (flags) = __raw_local_save_flags(); } while (0) + +#define raw_local_irq_save(flags) \ + do { (flags) = __raw_local_irq_save(); } while (0) + +#endif /* __ASM_GENERIC_IRQFLAGS_H */ diff --git a/include/asm-generic/kmap_types.h b/include/asm-generic/kmap_types.h new file mode 100644 index 000000000000..58c33055c304 --- /dev/null +++ b/include/asm-generic/kmap_types.h @@ -0,0 +1,32 @@ +#ifndef _ASM_GENERIC_KMAP_TYPES_H +#define _ASM_GENERIC_KMAP_TYPES_H + +#ifdef CONFIG_DEBUG_HIGHMEM +# define D(n) __KM_FENCE_##n , +#else +# define D(n) +#endif + +enum km_type { +D(0) KM_BOUNCE_READ, +D(1) KM_SKB_SUNRPC_DATA, +D(2) KM_SKB_DATA_SOFTIRQ, +D(3) KM_USER0, +D(4) KM_USER1, +D(5) KM_BIO_SRC_IRQ, +D(6) KM_BIO_DST_IRQ, +D(7) KM_PTE0, +D(8) KM_PTE1, +D(9) KM_IRQ0, +D(10) KM_IRQ1, +D(11) KM_SOFTIRQ0, +D(12) KM_SOFTIRQ1, +D(13) KM_SYNC_ICACHE, +D(14) KM_SYNC_DCACHE, +D(15) KM_UML_USERCOPY, /* UML specific, for copy_*_user - used in do_op_one_page */ +D(16) KM_TYPE_NR +}; + +#undef D + +#endif diff --git a/include/asm-generic/linkage.h b/include/asm-generic/linkage.h new file mode 100644 index 000000000000..fef7a01e5415 --- /dev/null +++ b/include/asm-generic/linkage.h @@ -0,0 +1,8 @@ +#ifndef __ASM_GENERIC_LINKAGE_H +#define __ASM_GENERIC_LINKAGE_H +/* + * linux/linkage.h provides reasonable defaults. + * an architecture can override them by providing its own version. + */ + +#endif /* __ASM_GENERIC_LINKAGE_H */ diff --git a/include/asm-generic/module.h b/include/asm-generic/module.h new file mode 100644 index 000000000000..ed5b44de4c91 --- /dev/null +++ b/include/asm-generic/module.h @@ -0,0 +1,22 @@ +#ifndef __ASM_GENERIC_MODULE_H +#define __ASM_GENERIC_MODULE_H + +/* + * Many architectures just need a simple module + * loader without arch specific data. + */ +struct mod_arch_specific +{ +}; + +#ifdef CONFIG_64BIT +#define Elf_Shdr Elf64_Shdr +#define Elf_Sym Elf64_Sym +#define Elf_Ehdr Elf64_Ehdr +#else +#define Elf_Shdr Elf32_Shdr +#define Elf_Sym Elf32_Sym +#define Elf_Ehdr Elf32_Ehdr +#endif + +#endif /* __ASM_GENERIC_MODULE_H */ diff --git a/include/asm-generic/mutex.h b/include/asm-generic/mutex.h new file mode 100644 index 000000000000..fe91ab502793 --- /dev/null +++ b/include/asm-generic/mutex.h @@ -0,0 +1,9 @@ +#ifndef __ASM_GENERIC_MUTEX_H +#define __ASM_GENERIC_MUTEX_H +/* + * Pull in the generic implementation for the mutex fastpath, + * which is a reasonable default on many architectures. + */ + +#include +#endif /* __ASM_GENERIC_MUTEX_H */ diff --git a/include/asm-generic/scatterlist.h b/include/asm-generic/scatterlist.h new file mode 100644 index 000000000000..8b9454496a7c --- /dev/null +++ b/include/asm-generic/scatterlist.h @@ -0,0 +1,43 @@ +#ifndef __ASM_GENERIC_SCATTERLIST_H +#define __ASM_GENERIC_SCATTERLIST_H + +#include + +struct scatterlist { +#ifdef CONFIG_DEBUG_SG + unsigned long sg_magic; +#endif + unsigned long page_link; + unsigned int offset; + unsigned int length; + dma_addr_t dma_address; + unsigned int dma_length; +}; + +/* + * These macros should be used after a dma_map_sg call has been done + * to get bus addresses of each of the SG entries and their lengths. + * You should only work with the number of sg entries pci_map_sg + * returns, or alternatively stop on the first sg_dma_len(sg) which + * is 0. + */ +#define sg_dma_address(sg) ((sg)->dma_address) +#ifndef sg_dma_len +/* + * Normally, you have an iommu on 64 bit machines, but not on 32 bit + * machines. Architectures that are differnt should override this. + */ +#if __BITS_PER_LONG == 64 +#define sg_dma_len(sg) ((sg)->dma_length) +#else +#define sg_dma_len(sg) ((sg)->length) +#endif /* 64 bit */ +#endif /* sg_dma_len */ + +#ifndef ISA_DMA_THRESHOLD +#define ISA_DMA_THRESHOLD (~0UL) +#endif + +#define ARCH_HAS_SG_CHAIN + +#endif /* __ASM_GENERIC_SCATTERLIST_H */ diff --git a/include/asm-generic/spinlock.h b/include/asm-generic/spinlock.h new file mode 100644 index 000000000000..1547a03ac50f --- /dev/null +++ b/include/asm-generic/spinlock.h @@ -0,0 +1,11 @@ +#ifndef __ASM_GENERIC_SPINLOCK_H +#define __ASM_GENERIC_SPINLOCK_H +/* + * You need to implement asm/spinlock.h for SMP support. The generic + * version does not handle SMP. + */ +#ifdef CONFIG_SMP +#error need an architecture specific asm/spinlock.h +#endif + +#endif /* __ASM_GENERIC_SPINLOCK_H */ diff --git a/include/asm-generic/string.h b/include/asm-generic/string.h new file mode 100644 index 000000000000..de5e0201459f --- /dev/null +++ b/include/asm-generic/string.h @@ -0,0 +1,10 @@ +#ifndef __ASM_GENERIC_STRING_H +#define __ASM_GENERIC_STRING_H +/* + * The kernel provides all required functions in lib/string.c + * + * Architectures probably want to provide at least their own optimized + * memcpy and memset functions though. + */ + +#endif /* __ASM_GENERIC_STRING_H */ diff --git a/include/asm-generic/syscalls.h b/include/asm-generic/syscalls.h new file mode 100644 index 000000000000..df84e3b04555 --- /dev/null +++ b/include/asm-generic/syscalls.h @@ -0,0 +1,60 @@ +#ifndef __ASM_GENERIC_SYSCALLS_H +#define __ASM_GENERIC_SYSCALLS_H + +#include +#include + +/* + * Calling conventions for these system calls can differ, so + * it's possible to override them. + */ +#ifndef sys_clone +asmlinkage long sys_clone(unsigned long clone_flags, unsigned long newsp, + void __user *parent_tid, void __user *child_tid, + struct pt_regs *regs); +#endif + +#ifndef sys_fork +asmlinkage long sys_fork(struct pt_regs *regs); +#endif + +#ifndef sys_vfork +asmlinkage long sys_vfork(struct pt_regs *regs); +#endif + +#ifndef sys_execve +asmlinkage long sys_execve(char __user *filename, char __user * __user *argv, + char __user * __user *envp, struct pt_regs *regs); +#endif + +#ifndef sys_mmap2 +asmlinkage long sys_mmap2(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, unsigned long pgoff); +#endif + +#ifndef sys_mmap +asmlinkage long sys_mmap(unsigned long addr, unsigned long len, + unsigned long prot, unsigned long flags, + unsigned long fd, off_t pgoff); +#endif + +#ifndef sys_sigaltstack +asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *, + struct pt_regs *); +#endif + +#ifndef sys_rt_sigreturn +asmlinkage long sys_rt_sigreturn(struct pt_regs *regs); +#endif + +#ifndef sys_rt_sigsuspend +asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize); +#endif + +#ifndef sys_rt_sigaction +asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act, + struct sigaction __user *oact, size_t sigsetsize); +#endif + +#endif /* __ASM_GENERIC_SYSCALLS_H */ diff --git a/include/asm-generic/system.h b/include/asm-generic/system.h new file mode 100644 index 000000000000..efa403b5e121 --- /dev/null +++ b/include/asm-generic/system.h @@ -0,0 +1,161 @@ +/* Generic system definitions, based on MN10300 definitions. + * + * It should be possible to use these on really simple architectures, + * but it serves more as a starting point for new ports. + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef __ASM_GENERIC_SYSTEM_H +#define __ASM_GENERIC_SYSTEM_H + +#ifdef __KERNEL__ +#ifndef __ASSEMBLY__ + +#include +#include + +#include + +struct task_struct; + +/* context switching is now performed out-of-line in switch_to.S */ +extern struct task_struct *__switch_to(struct task_struct *, + struct task_struct *); +#define switch_to(prev, next, last) \ + do { \ + ((last) = __switch_to((prev), (next))); \ + } while (0) + +#define arch_align_stack(x) (x) + +#define nop() asm volatile ("nop") + +#endif /* !__ASSEMBLY__ */ + +/* + * Force strict CPU ordering. + * And yes, this is required on UP too when we're talking + * to devices. + * + * This implementation only contains a compiler barrier. + */ + +#define mb() asm volatile ("": : :"memory") +#define rmb() mb() +#define wmb() asm volatile ("": : :"memory") + +#ifdef CONFIG_SMP +#define smp_mb() mb() +#define smp_rmb() rmb() +#define smp_wmb() wmb() +#else +#define smp_mb() barrier() +#define smp_rmb() barrier() +#define smp_wmb() barrier() +#endif + +#define set_mb(var, value) do { var = value; mb(); } while (0) +#define set_wmb(var, value) do { var = value; wmb(); } while (0) + +#define read_barrier_depends() do {} while (0) +#define smp_read_barrier_depends() do {} while (0) + +/* + * we make sure local_irq_enable() doesn't cause priority inversion + */ +#ifndef __ASSEMBLY__ + +/* This function doesn't exist, so you'll get a linker error + * if something tries to do an invalid xchg(). */ +extern void __xchg_called_with_bad_pointer(void); + +static inline +unsigned long __xchg(unsigned long x, volatile void *ptr, int size) +{ + unsigned long ret, flags; + + switch (size) { + case 1: +#ifdef __xchg_u8 + return __xchg_u8(x, ptr); +#else + local_irq_save(flags); + ret = *(volatile u8 *)ptr; + *(volatile u8 *)ptr = x; + local_irq_restore(flags); + return ret; +#endif /* __xchg_u8 */ + + case 2: +#ifdef __xchg_u16 + return __xchg_u16(x, ptr); +#else + local_irq_save(flags); + ret = *(volatile u16 *)ptr; + *(volatile u16 *)ptr = x; + local_irq_restore(flags); + return ret; +#endif /* __xchg_u16 */ + + case 4: +#ifdef __xchg_u32 + return __xchg_u32(x, ptr); +#else + local_irq_save(flags); + ret = *(volatile u32 *)ptr; + *(volatile u32 *)ptr = x; + local_irq_restore(flags); + return ret; +#endif /* __xchg_u32 */ + +#ifdef CONFIG_64BIT + case 8: +#ifdef __xchg_u64 + return __xchg_u64(x, ptr); +#else + local_irq_save(flags); + ret = *(volatile u64 *)ptr; + *(volatile u64 *)ptr = x; + local_irq_restore(flags); + return ret; +#endif /* __xchg_u64 */ +#endif /* CONFIG_64BIT */ + + default: + __xchg_called_with_bad_pointer(); + return x; + } +} + +#define xchg(ptr, x) \ + ((__typeof__(*(ptr))) __xchg((unsigned long)(x), (ptr), sizeof(*(ptr)))) + +static inline unsigned long __cmpxchg(volatile unsigned long *m, + unsigned long old, unsigned long new) +{ + unsigned long retval; + unsigned long flags; + + local_irq_save(flags); + retval = *m; + if (retval == old) + *m = new; + local_irq_restore(flags); + return retval; +} + +#define cmpxchg(ptr, o, n) \ + ((__typeof__(*(ptr))) __cmpxchg((unsigned long *)(ptr), \ + (unsigned long)(o), \ + (unsigned long)(n))) + +#endif /* !__ASSEMBLY__ */ + +#endif /* __KERNEL__ */ +#endif /* __ASM_GENERIC_SYSTEM_H */ diff --git a/include/asm-generic/unaligned.h b/include/asm-generic/unaligned.h new file mode 100644 index 000000000000..03cf5936bad6 --- /dev/null +++ b/include/asm-generic/unaligned.h @@ -0,0 +1,30 @@ +#ifndef __ASM_GENERIC_UNALIGNED_H +#define __ASM_GENERIC_UNALIGNED_H + +/* + * This is the most generic implementation of unaligned accesses + * and should work almost anywhere. + * + * If an architecture can handle unaligned accesses in hardware, + * it may want to use the linux/unaligned/access_ok.h implementation + * instead. + */ +#include + +#if defined(__LITTLE_ENDIAN) +# include +# include +# include +# define get_unaligned __get_unaligned_le +# define put_unaligned __put_unaligned_le +#elif defined(__BIG_ENDIAN) +# include +# include +# include +# define get_unaligned __get_unaligned_be +# define put_unaligned __put_unaligned_be +#else +# error need to define endianess +#endif + +#endif /* __ASM_GENERIC_UNALIGNED_H */ diff --git a/include/asm-generic/user.h b/include/asm-generic/user.h new file mode 100644 index 000000000000..8b9c3c960aeb --- /dev/null +++ b/include/asm-generic/user.h @@ -0,0 +1,8 @@ +#ifndef __ASM_GENERIC_USER_H +#define __ASM_GENERIC_USER_H +/* + * This file may define a 'struct user' structure. However, it it only + * used for a.out file, which are not supported on new architectures. + */ + +#endif /* __ASM_GENERIC_USER_H */ -- cgit v1.2.3 From ae49e807951d5e26767bc55d1dc29671c596c450 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:34 +0000 Subject: asm-generic: add legacy I/O header files The dma.h, hw_irq.h, serial.h and timex.h files originally described PC-style i8237, i8259A, i8250, i8253 and i8255 chips as well as the VGA style text mode graphics. Modern architectures live happily without these specific interfaces, but a few definitions from these headers keep getting used in common code. The new generic headers are what most architectures use anyway nowadays, just implementing the minimal definitions. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- include/asm-generic/dma.h | 15 +++++++++++++++ include/asm-generic/hw_irq.h | 9 +++++++++ include/asm-generic/parport.h | 23 +++++++++++++++++++++++ include/asm-generic/serial.h | 13 +++++++++++++ include/asm-generic/timex.h | 22 ++++++++++++++++++++++ include/asm-generic/vga.h | 24 ++++++++++++++++++++++++ 6 files changed, 106 insertions(+) create mode 100644 include/asm-generic/dma.h create mode 100644 include/asm-generic/hw_irq.h create mode 100644 include/asm-generic/parport.h create mode 100644 include/asm-generic/serial.h create mode 100644 include/asm-generic/timex.h create mode 100644 include/asm-generic/vga.h (limited to 'include') diff --git a/include/asm-generic/dma.h b/include/asm-generic/dma.h new file mode 100644 index 000000000000..9dfc3a7f36d2 --- /dev/null +++ b/include/asm-generic/dma.h @@ -0,0 +1,15 @@ +#ifndef __ASM_GENERIC_DMA_H +#define __ASM_GENERIC_DMA_H +/* + * This file traditionally describes the i8237 PC style DMA controller. + * Most architectures don't have these any more and can get the minimal + * implementation from kernel/dma.c by not defining MAX_DMA_CHANNELS. + * + * Some code relies on seeing MAX_DMA_ADDRESS though. + */ +#define MAX_DMA_ADDRESS PAGE_OFFSET + +extern int request_dma(unsigned int dmanr, const char *device_id); +extern void free_dma(unsigned int dmanr); + +#endif /* __ASM_GENERIC_DMA_H */ diff --git a/include/asm-generic/hw_irq.h b/include/asm-generic/hw_irq.h new file mode 100644 index 000000000000..89036d7b40e0 --- /dev/null +++ b/include/asm-generic/hw_irq.h @@ -0,0 +1,9 @@ +#ifndef __ASM_GENERIC_HW_IRQ_H +#define __ASM_GENERIC_HW_IRQ_H +/* + * hw_irq.h has internal declarations for the low-level interrupt + * controller, like the original i8259A. + * In general, this is not needed for new architectures. + */ + +#endif /* __ASM_GENERIC_HW_IRQ_H */ diff --git a/include/asm-generic/parport.h b/include/asm-generic/parport.h new file mode 100644 index 000000000000..40528cb977e8 --- /dev/null +++ b/include/asm-generic/parport.h @@ -0,0 +1,23 @@ +#ifndef __ASM_GENERIC_PARPORT_H +#define __ASM_GENERIC_PARPORT_H + +/* + * An ISA bus may have i8255 parallel ports at well-known + * locations in the I/O space, which are scanned by + * parport_pc_find_isa_ports. + * + * Without ISA support, the driver will only attach + * to devices on the PCI bus. + */ + +static int __devinit parport_pc_find_isa_ports(int autoirq, int autodma); +static int __devinit parport_pc_find_nonpci_ports(int autoirq, int autodma) +{ +#ifdef CONFIG_ISA + return parport_pc_find_isa_ports(autoirq, autodma); +#else + return 0; +#endif +} + +#endif /* __ASM_GENERIC_PARPORT_H */ diff --git a/include/asm-generic/serial.h b/include/asm-generic/serial.h new file mode 100644 index 000000000000..5e291090fe04 --- /dev/null +++ b/include/asm-generic/serial.h @@ -0,0 +1,13 @@ +#ifndef __ASM_GENERIC_SERIAL_H +#define __ASM_GENERIC_SERIAL_H + +/* + * This should not be an architecture specific #define, oh well. + * + * Traditionally, it just describes i8250 and related serial ports + * that have this clock rate. + */ + +#define BASE_BAUD (1843200 / 16) + +#endif /* __ASM_GENERIC_SERIAL_H */ diff --git a/include/asm-generic/timex.h b/include/asm-generic/timex.h new file mode 100644 index 000000000000..b2243cb8d6f6 --- /dev/null +++ b/include/asm-generic/timex.h @@ -0,0 +1,22 @@ +#ifndef __ASM_GENERIC_TIMEX_H +#define __ASM_GENERIC_TIMEX_H + +/* + * If you have a cycle counter, return the value here. + */ +typedef unsigned long cycles_t; +#ifndef get_cycles +static inline cycles_t get_cycles(void) +{ + return 0; +} +#endif + +/* + * Architectures are encouraged to implement read_current_timer + * and define this in order to avoid the expensive delay loop + * calibration during boot. + */ +#undef ARCH_HAS_READ_CURRENT_TIMER + +#endif /* __ASM_GENERIC_TIMEX_H */ diff --git a/include/asm-generic/vga.h b/include/asm-generic/vga.h new file mode 100644 index 000000000000..36c8ff52016b --- /dev/null +++ b/include/asm-generic/vga.h @@ -0,0 +1,24 @@ +/* + * Access to VGA videoram + * + * (c) 1998 Martin Mares + */ +#ifndef __ASM_GENERIC_VGA_H +#define __ASM_GENERIC_VGA_H + +/* + * On most architectures that support VGA, we can just + * recalculate addresses and then access the videoram + * directly without any black magic. + * + * Everyone else needs to ioremap the address and use + * proper I/O accesses. + */ +#ifndef VGA_MAP_MEM +#define VGA_MAP_MEM(x, s) (unsigned long)phys_to_virt(x) +#endif + +#define vga_readb(x) (*(x)) +#define vga_writeb(x, y) (*(y) = (x)) + +#endif /* _ASM_GENERIC_VGA_H */ -- cgit v1.2.3 From 3f7e212df82ca0459d44c91d9e019efd1b5f936c Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:35 +0000 Subject: asm-generic: add generic atomic.h and io.h atomic.h and io.h are based on the mn10300 architecture, which is already pretty generic and can be used by other architectures that do not have hardware support for atomic operations or out-of-order I/O access. Signed-off-by: Arnd Bergmann --- include/asm-generic/atomic.h | 165 ++++++++++++++++++++++++ include/asm-generic/io.h | 300 +++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 465 insertions(+) create mode 100644 include/asm-generic/atomic.h create mode 100644 include/asm-generic/io.h (limited to 'include') diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h new file mode 100644 index 000000000000..c99c64dc5f3d --- /dev/null +++ b/include/asm-generic/atomic.h @@ -0,0 +1,165 @@ +/* + * Generic C implementation of atomic counter operations + * Originally implemented for MN10300. + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef __ASM_GENERIC_ATOMIC_H +#define __ASM_GENERIC_ATOMIC_H + +#ifdef CONFIG_SMP +#error not SMP safe +#endif + +/* + * Atomic operations that C can't guarantee us. Useful for + * resource counting etc.. + */ + +#define ATOMIC_INIT(i) { (i) } + +#ifdef __KERNEL__ + +/** + * atomic_read - read atomic variable + * @v: pointer of type atomic_t + * + * Atomically reads the value of @v. Note that the guaranteed + * useful range of an atomic_t is only 24 bits. + */ +#define atomic_read(v) ((v)->counter) + +/** + * atomic_set - set atomic variable + * @v: pointer of type atomic_t + * @i: required value + * + * Atomically sets the value of @v to @i. Note that the guaranteed + * useful range of an atomic_t is only 24 bits. + */ +#define atomic_set(v, i) (((v)->counter) = (i)) + +#include + +/** + * atomic_add_return - add integer to atomic variable + * @i: integer value to add + * @v: pointer of type atomic_t + * + * Atomically adds @i to @v and returns the result + * Note that the guaranteed useful range of an atomic_t is only 24 bits. + */ +static inline int atomic_add_return(int i, atomic_t *v) +{ + unsigned long flags; + int temp; + + local_irq_save(flags); + temp = v->counter; + temp += i; + v->counter = temp; + local_irq_restore(flags); + + return temp; +} + +/** + * atomic_sub_return - subtract integer from atomic variable + * @i: integer value to subtract + * @v: pointer of type atomic_t + * + * Atomically subtracts @i from @v and returns the result + * Note that the guaranteed useful range of an atomic_t is only 24 bits. + */ +static inline int atomic_sub_return(int i, atomic_t *v) +{ + unsigned long flags; + int temp; + + local_irq_save(flags); + temp = v->counter; + temp -= i; + v->counter = temp; + local_irq_restore(flags); + + return temp; +} + +static inline int atomic_add_negative(int i, atomic_t *v) +{ + return atomic_add_return(i, v) < 0; +} + +static inline void atomic_add(int i, atomic_t *v) +{ + atomic_add_return(i, v); +} + +static inline void atomic_sub(int i, atomic_t *v) +{ + atomic_sub_return(i, v); +} + +static inline void atomic_inc(atomic_t *v) +{ + atomic_add_return(1, v); +} + +static inline void atomic_dec(atomic_t *v) +{ + atomic_sub_return(1, v); +} + +#define atomic_dec_return(v) atomic_sub_return(1, (v)) +#define atomic_inc_return(v) atomic_add_return(1, (v)) + +#define atomic_sub_and_test(i, v) (atomic_sub_return((i), (v)) == 0) +#define atomic_dec_and_test(v) (atomic_sub_return(1, (v)) == 0) +#define atomic_inc_and_test(v) (atomic_add_return(1, (v)) == 0) + +#define atomic_add_unless(v, a, u) \ +({ \ + int c, old; \ + c = atomic_read(v); \ + while (c != (u) && (old = atomic_cmpxchg((v), c, c + (a))) != c) \ + c = old; \ + c != (u); \ +}) + +#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) + +static inline void atomic_clear_mask(unsigned long mask, unsigned long *addr) +{ + unsigned long flags; + + mask = ~mask; + local_irq_save(flags); + *addr &= mask; + local_irq_restore(flags); +} + +#define atomic_xchg(ptr, v) (xchg(&(ptr)->counter, (v))) +#define atomic_cmpxchg(v, old, new) (cmpxchg(&((v)->counter), (old), (new))) + +#define cmpxchg_local(ptr, o, n) \ + ((__typeof__(*(ptr)))__cmpxchg_local_generic((ptr), (unsigned long)(o),\ + (unsigned long)(n), sizeof(*(ptr)))) + +#define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) + +/* Assume that atomic operations are already serializing */ +#define smp_mb__before_atomic_dec() barrier() +#define smp_mb__after_atomic_dec() barrier() +#define smp_mb__before_atomic_inc() barrier() +#define smp_mb__after_atomic_inc() barrier() + +#include + +#endif /* __KERNEL__ */ +#endif /* __ASM_GENERIC_ATOMIC_H */ diff --git a/include/asm-generic/io.h b/include/asm-generic/io.h new file mode 100644 index 000000000000..bcee6365dca0 --- /dev/null +++ b/include/asm-generic/io.h @@ -0,0 +1,300 @@ +/* Generic I/O port emulation, based on MN10300 code + * + * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. + * Written by David Howells (dhowells@redhat.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public Licence + * as published by the Free Software Foundation; either version + * 2 of the Licence, or (at your option) any later version. + */ +#ifndef __ASM_GENERIC_IO_H +#define __ASM_GENERIC_IO_H + +#include /* I/O is all done through memory accesses */ +#include +#include + +#ifdef CONFIG_GENERIC_IOMAP +#include +#endif + +#define mmiowb() do {} while (0) + +/*****************************************************************************/ +/* + * readX/writeX() are used to access memory mapped devices. On some + * architectures the memory mapped IO stuff needs to be accessed + * differently. On the simple architectures, we just read/write the + * memory location directly. + */ +static inline u8 __raw_readb(const volatile void __iomem *addr) +{ + return *(const volatile u8 __force *) addr; +} + +static inline u16 __raw_readw(const volatile void __iomem *addr) +{ + return *(const volatile u16 __force *) addr; +} + +static inline u32 __raw_readl(const volatile void __iomem *addr) +{ + return *(const volatile u32 __force *) addr; +} + +#define readb __raw_readb +#define readw(addr) __le16_to_cpu(__raw_readw(addr)) +#define readl(addr) __le32_to_cpu(__raw_readl(addr)) + +static inline void __raw_writeb(u8 b, volatile void __iomem *addr) +{ + *(volatile u8 __force *) addr = b; +} + +static inline void __raw_writew(u16 b, volatile void __iomem *addr) +{ + *(volatile u16 __force *) addr = b; +} + +static inline void __raw_writel(u32 b, volatile void __iomem *addr) +{ + *(volatile u32 __force *) addr = b; +} + +#define writeb __raw_writeb +#define writew(b,addr) __raw_writew(__cpu_to_le16(b),addr) +#define writel(b,addr) __raw_writel(__cpu_to_le32(b),addr) + +#ifdef CONFIG_64BIT +static inline u64 __raw_readq(const volatile void __iomem *addr) +{ + return *(const volatile u64 __force *) addr; +} +#define readq(addr) __le64_to_cpu(__raw_readq(addr)) + +static inline void __raw_writeq(u64 b, volatile void __iomem *addr) +{ + *(volatile u64 __force *) addr = b; +} +#define writeq(b,addr) __raw_writeq(__cpu_to_le64(b),addr) +#endif + +/*****************************************************************************/ +/* + * traditional input/output functions + */ + +static inline u8 inb(unsigned long addr) +{ + return readb((volatile void __iomem *) addr); +} + +static inline u16 inw(unsigned long addr) +{ + return readw((volatile void __iomem *) addr); +} + +static inline u32 inl(unsigned long addr) +{ + return readl((volatile void __iomem *) addr); +} + +static inline void outb(u8 b, unsigned long addr) +{ + writeb(b, (volatile void __iomem *) addr); +} + +static inline void outw(u16 b, unsigned long addr) +{ + writew(b, (volatile void __iomem *) addr); +} + +static inline void outl(u32 b, unsigned long addr) +{ + writel(b, (volatile void __iomem *) addr); +} + +#define inb_p(addr) inb(addr) +#define inw_p(addr) inw(addr) +#define inl_p(addr) inl(addr) +#define outb_p(x, addr) outb((x), (addr)) +#define outw_p(x, addr) outw((x), (addr)) +#define outl_p(x, addr) outl((x), (addr)) + +static inline void insb(unsigned long addr, void *buffer, int count) +{ + if (count) { + u8 *buf = buffer; + do { + u8 x = inb(addr); + *buf++ = x; + } while (--count); + } +} + +static inline void insw(unsigned long addr, void *buffer, int count) +{ + if (count) { + u16 *buf = buffer; + do { + u16 x = inw(addr); + *buf++ = x; + } while (--count); + } +} + +static inline void insl(unsigned long addr, void *buffer, int count) +{ + if (count) { + u32 *buf = buffer; + do { + u32 x = inl(addr); + *buf++ = x; + } while (--count); + } +} + +static inline void outsb(unsigned long addr, const void *buffer, int count) +{ + if (count) { + const u8 *buf = buffer; + do { + outb(*buf++, addr); + } while (--count); + } +} + +static inline void outsw(unsigned long addr, const void *buffer, int count) +{ + if (count) { + const u16 *buf = buffer; + do { + outw(*buf++, addr); + } while (--count); + } +} + +static inline void outsl(unsigned long addr, const void *buffer, int count) +{ + if (count) { + const u32 *buf = buffer; + do { + outl(*buf++, addr); + } while (--count); + } +} + +#ifndef CONFIG_GENERIC_IOMAP +#define ioread8(addr) readb(addr) +#define ioread16(addr) readw(addr) +#define ioread32(addr) readl(addr) + +#define iowrite8(v, addr) writeb((v), (addr)) +#define iowrite16(v, addr) writew((v), (addr)) +#define iowrite32(v, addr) writel((v), (addr)) + +#define ioread8_rep(p, dst, count) \ + insb((unsigned long) (p), (dst), (count)) +#define ioread16_rep(p, dst, count) \ + insw((unsigned long) (p), (dst), (count)) +#define ioread32_rep(p, dst, count) \ + insl((unsigned long) (p), (dst), (count)) + +#define iowrite8_rep(p, src, count) \ + outsb((unsigned long) (p), (src), (count)) +#define iowrite16_rep(p, src, count) \ + outsw((unsigned long) (p), (src), (count)) +#define iowrite32_rep(p, src, count) \ + outsl((unsigned long) (p), (src), (count)) +#endif /* CONFIG_GENERIC_IOMAP */ + + +#define IO_SPACE_LIMIT 0xffffffff + +#ifdef __KERNEL__ + +#include +#define __io_virt(x) ((void __force *) (x)) + +#ifndef CONFIG_GENERIC_IOMAP +/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */ +struct pci_dev; +extern void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long max); +static inline void pci_iounmap(struct pci_dev *dev, void __iomem *p) +{ +} +#endif /* CONFIG_GENERIC_IOMAP */ + +/* + * Change virtual addresses to physical addresses and vv. + * These are pretty trivial + */ +static inline unsigned long virt_to_phys(volatile void *address) +{ + return __pa((unsigned long)address); +} + +static inline void *phys_to_virt(unsigned long address) +{ + return __va(address); +} + +/* + * Change "struct page" to physical address. + */ +static inline void __iomem *ioremap(phys_addr_t offset, unsigned long size) +{ + return (void __iomem*) (unsigned long)offset; +} + +#define __ioremap(offset, size, flags) ioremap(offset, size) + +#ifndef ioremap_nocache +#define ioremap_nocache ioremap +#endif + +#ifndef ioremap_wc +#define ioremap_wc ioremap_nocache +#endif + +static inline void iounmap(void *addr) +{ +} + +#ifndef CONFIG_GENERIC_IOMAP +static inline void __iomem *ioport_map(unsigned long port, unsigned int nr) +{ + return (void __iomem *) port; +} + +static inline void ioport_unmap(void __iomem *p) +{ +} +#else /* CONFIG_GENERIC_IOMAP */ +extern void __iomem *ioport_map(unsigned long port, unsigned int nr); +extern void ioport_unmap(void __iomem *p); +#endif /* CONFIG_GENERIC_IOMAP */ + +#define xlate_dev_kmem_ptr(p) p +#define xlate_dev_mem_ptr(p) ((void *) (p)) + +#ifndef virt_to_bus +static inline unsigned long virt_to_bus(volatile void *address) +{ + return ((unsigned long) address); +} + +static inline void *bus_to_virt(unsigned long address) +{ + return (void *) address; +} +#endif + +#define memset_io(a, b, c) memset(__io_virt(a), (b), (c)) +#define memcpy_fromio(a, b, c) memcpy((a), __io_virt(b), (c)) +#define memcpy_toio(a, b, c) memcpy(__io_virt(a), (b), (c)) + +#endif /* __KERNEL__ */ + +#endif /* __ASM_GENERIC_IO_H */ -- cgit v1.2.3 From 5c01b46bb6bb8f2662573c05c87b5d68fa25af89 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:36 +0000 Subject: asm-generic: add generic NOMMU versions of some headers Memory management in generic is highly architecture specific, but on NOMMU architectures, it is mostly trivial, so just add a default implementation in asm-generic that applies to all NOMMU architectures. The two files cache.h and cacheflush.h can possibly also be used by architectures that have an MMU but never require flushing the cache or have cache lines larger than 32 bytes. Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- include/asm-generic/cache.h | 12 +++++ include/asm-generic/cacheflush.h | 30 ++++++++++++ include/asm-generic/mmu.h | 15 ++++++ include/asm-generic/mmu_context.h | 45 ++++++++++++++++++ include/asm-generic/page.h | 99 +++++++++++++++++++++++++++++++++++++++ include/asm-generic/pgalloc.h | 12 +++++ include/asm-generic/segment.h | 9 ++++ include/asm-generic/tlbflush.h | 18 +++++++ 8 files changed, 240 insertions(+) create mode 100644 include/asm-generic/cache.h create mode 100644 include/asm-generic/cacheflush.h create mode 100644 include/asm-generic/mmu.h create mode 100644 include/asm-generic/mmu_context.h create mode 100644 include/asm-generic/page.h create mode 100644 include/asm-generic/pgalloc.h create mode 100644 include/asm-generic/segment.h create mode 100644 include/asm-generic/tlbflush.h (limited to 'include') diff --git a/include/asm-generic/cache.h b/include/asm-generic/cache.h new file mode 100644 index 000000000000..1bfcfe5c2237 --- /dev/null +++ b/include/asm-generic/cache.h @@ -0,0 +1,12 @@ +#ifndef __ASM_GENERIC_CACHE_H +#define __ASM_GENERIC_CACHE_H +/* + * 32 bytes appears to be the most common cache line size, + * so make that the default here. Architectures with larger + * cache lines need to provide their own cache.h. + */ + +#define L1_CACHE_SHIFT 5 +#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) + +#endif /* __ASM_GENERIC_CACHE_H */ diff --git a/include/asm-generic/cacheflush.h b/include/asm-generic/cacheflush.h new file mode 100644 index 000000000000..ba4ec39a1131 --- /dev/null +++ b/include/asm-generic/cacheflush.h @@ -0,0 +1,30 @@ +#ifndef __ASM_CACHEFLUSH_H +#define __ASM_CACHEFLUSH_H + +/* Keep includes the same across arches. */ +#include + +/* + * The cache doesn't need to be flushed when TLB entries change when + * the cache is mapped to physical memory, not virtual memory + */ +#define flush_cache_all() do { } while (0) +#define flush_cache_mm(mm) do { } while (0) +#define flush_cache_dup_mm(mm) do { } while (0) +#define flush_cache_range(vma, start, end) do { } while (0) +#define flush_cache_page(vma, vmaddr, pfn) do { } while (0) +#define flush_dcache_page(page) do { } while (0) +#define flush_dcache_mmap_lock(mapping) do { } while (0) +#define flush_dcache_mmap_unlock(mapping) do { } while (0) +#define flush_icache_range(start, end) do { } while (0) +#define flush_icache_page(vma,pg) do { } while (0) +#define flush_icache_user_range(vma,pg,adr,len) do { } while (0) +#define flush_cache_vmap(start, end) do { } while (0) +#define flush_cache_vunmap(start, end) do { } while (0) + +#define copy_to_user_page(vma, page, vaddr, dst, src, len) \ + memcpy(dst, src, len) +#define copy_from_user_page(vma, page, vaddr, dst, src, len) \ + memcpy(dst, src, len) + +#endif /* __ASM_CACHEFLUSH_H */ diff --git a/include/asm-generic/mmu.h b/include/asm-generic/mmu.h new file mode 100644 index 000000000000..4f4aa56d6b52 --- /dev/null +++ b/include/asm-generic/mmu.h @@ -0,0 +1,15 @@ +#ifndef __ASM_GENERIC_MMU_H +#define __ASM_GENERIC_MMU_H + +/* + * This is the mmu.h header for nommu implementations. + * Architectures with an MMU need something more complex. + */ +#ifndef __ASSEMBLY__ +typedef struct { + struct vm_list_struct *vmlist; + unsigned long end_brk; +} mm_context_t; +#endif + +#endif /* __ASM_GENERIC_MMU_H */ diff --git a/include/asm-generic/mmu_context.h b/include/asm-generic/mmu_context.h new file mode 100644 index 000000000000..a7eec910ba6c --- /dev/null +++ b/include/asm-generic/mmu_context.h @@ -0,0 +1,45 @@ +#ifndef __ASM_GENERIC_MMU_CONTEXT_H +#define __ASM_GENERIC_MMU_CONTEXT_H + +/* + * Generic hooks for NOMMU architectures, which do not need to do + * anything special here. + */ + +#include + +struct task_struct; +struct mm_struct; + +static inline void enter_lazy_tlb(struct mm_struct *mm, + struct task_struct *tsk) +{ +} + +static inline int init_new_context(struct task_struct *tsk, + struct mm_struct *mm) +{ + return 0; +} + +static inline void destroy_context(struct mm_struct *mm) +{ +} + +static inline void deactivate_mm(struct task_struct *task, + struct mm_struct *mm) +{ +} + +static inline void switch_mm(struct mm_struct *prev, + struct mm_struct *next, + struct task_struct *tsk) +{ +} + +static inline void activate_mm(struct mm_struct *prev_mm, + struct mm_struct *next_mm) +{ +} + +#endif /* __ASM_GENERIC_MMU_CONTEXT_H */ diff --git a/include/asm-generic/page.h b/include/asm-generic/page.h new file mode 100644 index 000000000000..75fec18cdc59 --- /dev/null +++ b/include/asm-generic/page.h @@ -0,0 +1,99 @@ +#ifndef __ASM_GENERIC_PAGE_H +#define __ASM_GENERIC_PAGE_H +/* + * Generic page.h implementation, for NOMMU architectures. + * This provides the dummy definitions for the memory management. + */ + +#ifdef CONFIG_MMU +#error need to prove a real asm/page.h +#endif + + +/* PAGE_SHIFT determines the page size */ + +#define PAGE_SHIFT 12 +#ifdef __ASSEMBLY__ +#define PAGE_SIZE (1 << PAGE_SHIFT) +#else +#define PAGE_SIZE (1UL << PAGE_SHIFT) +#endif +#define PAGE_MASK (~(PAGE_SIZE-1)) + +#include + +#ifndef __ASSEMBLY__ + +#define get_user_page(vaddr) __get_free_page(GFP_KERNEL) +#define free_user_page(page, addr) free_page(addr) + +#define clear_page(page) memset((page), 0, PAGE_SIZE) +#define copy_page(to,from) memcpy((to), (from), PAGE_SIZE) + +#define clear_user_page(page, vaddr, pg) clear_page(page) +#define copy_user_page(to, from, vaddr, pg) copy_page(to, from) + +/* + * These are used to make use of C type-checking.. + */ +typedef struct { + unsigned long pte; +} pte_t; +typedef struct { + unsigned long pmd[16]; +} pmd_t; +typedef struct { + unsigned long pgd; +} pgd_t; +typedef struct { + unsigned long pgprot; +} pgprot_t; +typedef struct page *pgtable_t; + +#define pte_val(x) ((x).pte) +#define pmd_val(x) ((&x)->pmd[0]) +#define pgd_val(x) ((x).pgd) +#define pgprot_val(x) ((x).pgprot) + +#define __pte(x) ((pte_t) { (x) } ) +#define __pmd(x) ((pmd_t) { (x) } ) +#define __pgd(x) ((pgd_t) { (x) } ) +#define __pgprot(x) ((pgprot_t) { (x) } ) + +extern unsigned long memory_start; +extern unsigned long memory_end; + +#endif /* !__ASSEMBLY__ */ + +#ifdef CONFIG_KERNEL_RAM_BASE_ADDRESS +#define PAGE_OFFSET (CONFIG_KERNEL_RAM_BASE_ADDRESS) +#else +#define PAGE_OFFSET (0) +#endif + +#ifndef __ASSEMBLY__ + +#define __va(x) ((void *)((unsigned long)(x) + PAGE_OFFSET)) +#define __pa(x) ((unsigned long) (x) - PAGE_OFFSET) + +#define virt_to_pfn(kaddr) (__pa(kaddr) >> PAGE_SHIFT) +#define pfn_to_virt(pfn) __va((pfn) << PAGE_SHIFT) + +#define virt_to_page(addr) (mem_map + (((unsigned long)(addr)-PAGE_OFFSET) >> PAGE_SHIFT)) +#define page_to_virt(page) ((((page) - mem_map) << PAGE_SHIFT) + PAGE_OFFSET) + +#ifndef page_to_phys +#define page_to_phys(page) ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT) +#endif + +#define pfn_valid(pfn) ((pfn) < max_mapnr) + +#define virt_addr_valid(kaddr) (((void *)(kaddr) >= (void *)PAGE_OFFSET) && \ + ((void *)(kaddr) < (void *)memory_end)) + +#endif /* __ASSEMBLY__ */ + +#include +#include + +#endif /* __ASM_GENERIC_PAGE_H */ diff --git a/include/asm-generic/pgalloc.h b/include/asm-generic/pgalloc.h new file mode 100644 index 000000000000..9e429d08b1f8 --- /dev/null +++ b/include/asm-generic/pgalloc.h @@ -0,0 +1,12 @@ +#ifndef __ASM_GENERIC_PGALLOC_H +#define __ASM_GENERIC_PGALLOC_H +/* + * an empty file is enough for a nommu architecture + */ +#ifdef CONFIG_MMU +#error need to implement an architecture specific asm/pgalloc.h +#endif + +#define check_pgt_cache() do { } while (0) + +#endif /* __ASM_GENERIC_PGALLOC_H */ diff --git a/include/asm-generic/segment.h b/include/asm-generic/segment.h new file mode 100644 index 000000000000..5580eace622c --- /dev/null +++ b/include/asm-generic/segment.h @@ -0,0 +1,9 @@ +#ifndef __ASM_GENERIC_SEGMENT_H +#define __ASM_GENERIC_SEGMENT_H +/* + * Only here because we have some old header files that expect it... + * + * New architectures probably don't want to have their own version. + */ + +#endif /* __ASM_GENERIC_SEGMENT_H */ diff --git a/include/asm-generic/tlbflush.h b/include/asm-generic/tlbflush.h new file mode 100644 index 000000000000..c7af037024c7 --- /dev/null +++ b/include/asm-generic/tlbflush.h @@ -0,0 +1,18 @@ +#ifndef __ASM_GENERIC_TLBFLUSH_H +#define __ASM_GENERIC_TLBFLUSH_H +/* + * This is a dummy tlbflush implementation that can be used on all + * nommu architectures. + * If you have an MMU, you need to write your own functions. + */ +#ifdef CONFIG_MMU +#error need to implement an architecture specific asm/tlbflush.h +#endif + +static inline void flush_tlb_mm(struct mm_struct *mm) +{ + BUG(); +} + + +#endif /* __ASM_GENERIC_TLBFLUSH_H */ -- cgit v1.2.3 From eed417ddd52146f446595b5a7d8f21b1814b95b7 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:37 +0000 Subject: asm-generic: add a generic uaccess.h Based on discussions with Michal Simek and code from m68knommu and h8300, this version of uaccess.h should be usable by most architectures, by overriding some parts of it. Simple NOMMU architectures can use it out of the box, but a minimal __access_ok() should be added there as well. Cc: Michal Simek Signed-off-by: Arnd Bergmann --- include/asm-generic/uaccess.h | 325 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 325 insertions(+) create mode 100644 include/asm-generic/uaccess.h (limited to 'include') diff --git a/include/asm-generic/uaccess.h b/include/asm-generic/uaccess.h new file mode 100644 index 000000000000..6d8cab22e294 --- /dev/null +++ b/include/asm-generic/uaccess.h @@ -0,0 +1,325 @@ +#ifndef __ASM_GENERIC_UACCESS_H +#define __ASM_GENERIC_UACCESS_H + +/* + * User space memory access functions, these should work + * on a ny machine that has kernel and user data in the same + * address space, e.g. all NOMMU machines. + */ +#include +#include +#include + +#include + +#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) }) + +#ifndef KERNEL_DS +#define KERNEL_DS MAKE_MM_SEG(~0UL) +#endif + +#ifndef USER_DS +#define USER_DS MAKE_MM_SEG(TASK_SIZE - 1) +#endif + +#ifndef get_fs +#define get_ds() (KERNEL_DS) +#define get_fs() (current_thread_info()->addr_limit) + +static inline void set_fs(mm_segment_t fs) +{ + current_thread_info()->addr_limit = fs; +} +#endif + +#define segment_eq(a, b) ((a).seg == (b).seg) + +#define VERIFY_READ 0 +#define VERIFY_WRITE 1 + +#define access_ok(type, addr, size) __access_ok((unsigned long)(addr),(size)) + +/* + * The architecture should really override this if possible, at least + * doing a check on the get_fs() + */ +#ifndef __access_ok +static inline int __access_ok(unsigned long addr, unsigned long size) +{ + return 1; +} +#endif + +/* + * The exception table consists of pairs of addresses: the first is the + * address of an instruction that is allowed to fault, and the second is + * the address at which the program should continue. No registers are + * modified, so it is entirely up to the continuation code to figure out + * what to do. + * + * All the routines below use bits of fixup code that are out of line + * with the main instruction path. This means when everything is well, + * we don't even have to jump over them. Further, they do not intrude + * on our cache or tlb entries. + */ + +struct exception_table_entry +{ + unsigned long insn, fixup; +}; + +/* Returns 0 if exception not found and fixup otherwise. */ +extern unsigned long search_exception_table(unsigned long); + +/* + * architectures with an MMU should override these two + */ +#ifndef __copy_from_user +static inline __must_check long __copy_from_user(void *to, + const void __user * from, unsigned long n) +{ + if (__builtin_constant_p(n)) { + switch(n) { + case 1: + *(u8 *)to = *(u8 __force *)from; + return 0; + case 2: + *(u16 *)to = *(u16 __force *)from; + return 0; + case 4: + *(u32 *)to = *(u32 __force *)from; + return 0; +#ifdef CONFIG_64BIT + case 8: + *(u64 *)to = *(u64 __force *)from; + return 0; +#endif + default: + break; + } + } + + memcpy(to, (const void __force *)from, n); + return 0; +} +#endif + +#ifndef __copy_to_user +static inline __must_check long __copy_to_user(void __user *to, + const void *from, unsigned long n) +{ + if (__builtin_constant_p(n)) { + switch(n) { + case 1: + *(u8 __force *)to = *(u8 *)from; + return 0; + case 2: + *(u16 __force *)to = *(u16 *)from; + return 0; + case 4: + *(u32 __force *)to = *(u32 *)from; + return 0; +#ifdef CONFIG_64BIT + case 8: + *(u64 __force *)to = *(u64 *)from; + return 0; +#endif + default: + break; + } + } + + memcpy((void __force *)to, from, n); + return 0; +} +#endif + +/* + * These are the main single-value transfer routines. They automatically + * use the right size if we just have the right pointer type. + * This version just falls back to copy_{from,to}_user, which should + * provide a fast-path for small values. + */ +#define __put_user(x, ptr) \ +({ \ + __typeof__(*(ptr)) __x = (x); \ + int __pu_err = -EFAULT; \ + __chk_user_ptr(ptr); \ + switch (sizeof (*(ptr))) { \ + case 1: \ + case 2: \ + case 4: \ + case 8: \ + __pu_err = __put_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ + break; \ + default: \ + __put_user_bad(); \ + break; \ + } \ + __pu_err; \ +}) + +#define put_user(x, ptr) \ +({ \ + might_sleep(); \ + __access_ok(ptr, sizeof (*ptr)) ? \ + __put_user(x, ptr) : \ + -EFAULT; \ +}) + +static inline int __put_user_fn(size_t size, void __user *ptr, void *x) +{ + size = __copy_to_user(ptr, x, size); + return size ? -EFAULT : size; +} + +extern int __put_user_bad(void) __attribute__((noreturn)); + +#define __get_user(x, ptr) \ +({ \ + int __gu_err = -EFAULT; \ + __chk_user_ptr(ptr); \ + switch (sizeof(*(ptr))) { \ + case 1: { \ + unsigned char __x; \ + __gu_err = __get_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ + (x) = *(__force __typeof__(*(ptr)) *) &__x; \ + break; \ + }; \ + case 2: { \ + unsigned short __x; \ + __gu_err = __get_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ + (x) = *(__force __typeof__(*(ptr)) *) &__x; \ + break; \ + }; \ + case 4: { \ + unsigned int __x; \ + __gu_err = __get_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ + (x) = *(__force __typeof__(*(ptr)) *) &__x; \ + break; \ + }; \ + case 8: { \ + unsigned long long __x; \ + __gu_err = __get_user_fn(sizeof (*(ptr)), \ + ptr, &__x); \ + (x) = *(__force __typeof__(*(ptr)) *) &__x; \ + break; \ + }; \ + default: \ + __get_user_bad(); \ + break; \ + } \ + __gu_err; \ +}) + +#define get_user(x, ptr) \ +({ \ + might_sleep(); \ + __access_ok(ptr, sizeof (*ptr)) ? \ + __get_user(x, ptr) : \ + -EFAULT; \ +}) + +static inline int __get_user_fn(size_t size, const void __user *ptr, void *x) +{ + size = __copy_from_user(x, ptr, size); + return size ? -EFAULT : size; +} + +extern int __get_user_bad(void) __attribute__((noreturn)); + +#ifndef __copy_from_user_inatomic +#define __copy_from_user_inatomic __copy_from_user +#endif + +#ifndef __copy_to_user_inatomic +#define __copy_to_user_inatomic __copy_to_user +#endif + +static inline long copy_from_user(void *to, + const void __user * from, unsigned long n) +{ + might_sleep(); + if (__access_ok(from, n)) + return __copy_from_user(to, from, n); + else + return n; +} + +static inline long copy_to_user(void __user *to, + const void *from, unsigned long n) +{ + might_sleep(); + if (__access_ok(to, n)) + return __copy_to_user(to, from, n); + else + return n; +} + +/* + * Copy a null terminated string from userspace. + */ +#ifndef __strncpy_from_user +static inline long +__strncpy_from_user(char *dst, const char __user *src, long count) +{ + char *tmp; + strncpy(dst, (const char __force *)src, count); + for (tmp = dst; *tmp && count > 0; tmp++, count--) + ; + return (tmp - dst); +} +#endif + +static inline long +strncpy_from_user(char *dst, const char __user *src, long count) +{ + if (!__access_ok(src, 1)) + return -EFAULT; + return __strncpy_from_user(dst, src, count); +} + +/* + * Return the size of a string (including the ending 0) + * + * Return 0 on exception, a value greater than N if too long + */ +#ifndef strnlen_user +static inline long strnlen_user(const char __user *src, long n) +{ + return strlen((void * __force)src) + 1; +} +#endif + +static inline long strlen_user(const char __user *src) +{ + return strnlen_user(src, 32767); +} + +/* + * Zero Userspace + */ +#ifndef __clear_user +static inline __must_check unsigned long +__clear_user(void __user *to, unsigned long n) +{ + memset((void __force *)to, 0, n); + return 0; +} +#endif + +static inline __must_check unsigned long +clear_user(void __user *to, unsigned long n) +{ + might_sleep(); + if (!__access_ok(to, n)) + return n; + + return __clear_user(to, n); +} + +#endif /* __ASM_GENERIC_UACCESS_H */ -- cgit v1.2.3 From 26a28fa4fea5b8c65713aa50c124f76a88c7924d Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Wed, 13 May 2009 22:56:38 +0000 Subject: add generic lib/checksum.c Add a generic (unoptimized) implementation of checksum.c in pure C for use by all architectures that cannot be bother with implementing their own version. Based on microblaze code by Michal Simek Cc: Michal Simek Signed-off-by: Remis Lima Baima Signed-off-by: Arnd Bergmann --- include/asm-generic/checksum.h | 79 +++++++++++++++++ lib/Makefile | 2 + lib/checksum.c | 193 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 274 insertions(+) create mode 100644 include/asm-generic/checksum.h create mode 100644 lib/checksum.c (limited to 'include') diff --git a/include/asm-generic/checksum.h b/include/asm-generic/checksum.h new file mode 100644 index 000000000000..4647c762d970 --- /dev/null +++ b/include/asm-generic/checksum.h @@ -0,0 +1,79 @@ +#ifndef __ASM_GENERIC_CHECKSUM_H +#define __ASM_GENERIC_CHECKSUM_H + +/* + * computes the checksum of a memory block at buff, length len, + * and adds in "sum" (32-bit) + * + * returns a 32-bit number suitable for feeding into itself + * or csum_tcpudp_magic + * + * this function must be called with even lengths, except + * for the last fragment, which may be odd + * + * it's best to have buff aligned on a 32-bit boundary + */ +extern __wsum csum_partial(const void *buff, int len, __wsum sum); + +/* + * the same as csum_partial, but copies from src while it + * checksums + * + * here even more important to align src and dst on a 32-bit (or even + * better 64-bit) boundary + */ +extern __wsum csum_partial_copy(const void *src, void *dst, int len, __wsum sum); + +/* + * the same as csum_partial_copy, but copies from user space. + * + * here even more important to align src and dst on a 32-bit (or even + * better 64-bit) boundary + */ +extern __wsum csum_partial_copy_from_user(const void __user *src, void *dst, + int len, __wsum sum, int *csum_err); + +#define csum_partial_copy_nocheck(src, dst, len, sum) \ + csum_partial_copy((src), (dst), (len), (sum)) + +/* + * This is a version of ip_compute_csum() optimized for IP headers, + * which always checksum on 4 octet boundaries. + */ +extern __sum16 ip_fast_csum(const void *iph, unsigned int ihl); + +/* + * Fold a partial checksum + */ +static inline __sum16 csum_fold(__wsum csum) +{ + u32 sum = (__force u32)csum; + sum = (sum & 0xffff) + (sum >> 16); + sum = (sum & 0xffff) + (sum >> 16); + return (__force __sum16)~sum; +} + +#ifndef csum_tcpudp_nofold +/* + * computes the checksum of the TCP/UDP pseudo-header + * returns a 16-bit checksum, already complemented + */ +extern __wsum +csum_tcpudp_nofold(__be32 saddr, __be32 daddr, unsigned short len, + unsigned short proto, __wsum sum); +#endif + +static inline __sum16 +csum_tcpudp_magic(__be32 saddr, __be32 daddr, unsigned short len, + unsigned short proto, __wsum sum) +{ + return csum_fold(csum_tcpudp_nofold(saddr, daddr, len, proto, sum)); +} + +/* + * this routine is used for miscellaneous IP-like checksums, mainly + * in icmp.c + */ +extern __sum16 ip_compute_csum(const void *buff, int len); + +#endif /* __ASM_GENERIC_CHECKSUM_H */ diff --git a/lib/Makefile b/lib/Makefile index 33a40e40e3ee..b6869e12e743 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -92,6 +92,8 @@ obj-$(CONFIG_NLATTR) += nlattr.o obj-$(CONFIG_DMA_API_DEBUG) += dma-debug.o +obj-$(CONFIG_GENERIC_CSUM) += checksum.o + hostprogs-y := gen_crc32table clean-files := crc32table.h diff --git a/lib/checksum.c b/lib/checksum.c new file mode 100644 index 000000000000..12e5a1c91cda --- /dev/null +++ b/lib/checksum.c @@ -0,0 +1,193 @@ +/* + * + * INET An implementation of the TCP/IP protocol suite for the LINUX + * operating system. INET is implemented using the BSD Socket + * interface as the means of communication with the user level. + * + * IP/TCP/UDP checksumming routines + * + * Authors: Jorge Cwik, + * Arnt Gulbrandsen, + * Tom May, + * Andreas Schwab, + * Lots of code moved from tcp.c and ip.c; see those files + * for more names. + * + * 03/02/96 Jes Sorensen, Andreas Schwab, Roman Hodek: + * Fixed some nasty bugs, causing some horrible crashes. + * A: At some points, the sum (%0) was used as + * length-counter instead of the length counter + * (%1). Thanks to Roman Hodek for pointing this out. + * B: GCC seems to mess up if one uses too many + * data-registers to hold input values and one tries to + * specify d0 and d1 as scratch registers. Letting gcc + * choose these registers itself solves the problem. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ + +/* Revised by Kenneth Albanowski for m68knommu. Basic problem: unaligned access + kills, so most of the assembly has to go. */ + +#include +#include + +#include + +static inline unsigned short from32to16(unsigned long x) +{ + /* add up 16-bit and 16-bit for 16+c bit */ + x = (x & 0xffff) + (x >> 16); + /* add up carry.. */ + x = (x & 0xffff) + (x >> 16); + return x; +} + +static unsigned int do_csum(const unsigned char *buff, int len) +{ + int odd, count; + unsigned long result = 0; + + if (len <= 0) + goto out; + odd = 1 & (unsigned long) buff; + if (odd) { + result = *buff; + len--; + buff++; + } + count = len >> 1; /* nr of 16-bit words.. */ + if (count) { + if (2 & (unsigned long) buff) { + result += *(unsigned short *) buff; + count--; + len -= 2; + buff += 2; + } + count >>= 1; /* nr of 32-bit words.. */ + if (count) { + unsigned long carry = 0; + do { + unsigned long w = *(unsigned long *) buff; + count--; + buff += 4; + result += carry; + result += w; + carry = (w > result); + } while (count); + result += carry; + result = (result & 0xffff) + (result >> 16); + } + if (len & 2) { + result += *(unsigned short *) buff; + buff += 2; + } + } + if (len & 1) + result += (*buff << 8); + result = from32to16(result); + if (odd) + result = ((result >> 8) & 0xff) | ((result & 0xff) << 8); +out: + return result; +} + +/* + * This is a version of ip_compute_csum() optimized for IP headers, + * which always checksum on 4 octet boundaries. + */ +__sum16 ip_fast_csum(const void *iph, unsigned int ihl) +{ + return (__force __sum16)~do_csum(iph, ihl*4); +} +EXPORT_SYMBOL(ip_fast_csum); + +/* + * computes the checksum of a memory block at buff, length len, + * and adds in "sum" (32-bit) + * + * returns a 32-bit number suitable for feeding into itself + * or csum_tcpudp_magic + * + * this function must be called with even lengths, except + * for the last fragment, which may be odd + * + * it's best to have buff aligned on a 32-bit boundary + */ +__wsum csum_partial(const void *buff, int len, __wsum wsum) +{ + unsigned int sum = (__force unsigned int)wsum; + unsigned int result = do_csum(buff, len); + + /* add in old sum, and carry.. */ + result += sum; + if (sum > result) + result += 1; + return (__force __wsum)result; +} +EXPORT_SYMBOL(csum_partial); + +/* + * this routine is used for miscellaneous IP-like checksums, mainly + * in icmp.c + */ +__sum16 ip_compute_csum(const void *buff, int len) +{ + return (__force __sum16)~do_csum(buff, len); +} +EXPORT_SYMBOL(ip_compute_csum); + +/* + * copy from fs while checksumming, otherwise like csum_partial + */ +__wsum +csum_partial_copy_from_user(const void __user *src, void *dst, int len, + __wsum sum, int *csum_err) +{ + int missing; + + missing = __copy_from_user(dst, src, len); + if (missing) { + memset(dst + len - missing, 0, missing); + *csum_err = -EFAULT; + } else + *csum_err = 0; + + return csum_partial(dst, len, sum); +} +EXPORT_SYMBOL(csum_partial_copy_from_user); + +/* + * copy from ds while checksumming, otherwise like csum_partial + */ +__wsum +csum_partial_copy(const void *src, void *dst, int len, __wsum sum) +{ + memcpy(dst, src, len); + return csum_partial(dst, len, sum); +} +EXPORT_SYMBOL(csum_partial_copy); + +#ifndef csum_tcpudp_nofold +__wsum csum_tcpudp_nofold(__be32 saddr, __be32 daddr, + unsigned short len, + unsigned short proto, + __wsum sum) +{ + unsigned long long s = (__force u32)sum; + + s += (__force u32)saddr; + s += (__force u32)daddr; +#ifdef __BIG_ENDIAN + s += proto + len; +#else + s += (proto + len) << 8; +#endif + s += (s >> 32); + return (__force __wsum)s; +} +EXPORT_SYMBOL(csum_tcpudp_nofold); +#endif -- cgit v1.2.3 From fbe0efb869efde8d847ede3a925230ef88910086 Mon Sep 17 00:00:00 2001 From: Kristian Høgsberg Date: Tue, 9 Jun 2009 01:50:41 +1000 Subject: drm_calloc_large: check right size, check integer overflow, use GFP_ZERO MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Previously we would check size instead of size * nmemb, and so would never hit the vmalloc path. Also add integer overflow check as in kcalloc, and allocate GFP_ZERO pages instead of memset()ing them. Signed-off-by: Kristian Høgsberg Signed-off-by: Dave Airlie --- include/drm/drmP.h | 12 ++++-------- 1 file changed, 4 insertions(+), 8 deletions(-) (limited to 'include') diff --git a/include/drm/drmP.h b/include/drm/drmP.h index afc21685230e..1cc51a0812fe 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -1573,18 +1573,14 @@ static __inline__ void *drm_calloc(size_t nmemb, size_t size, int area) static __inline__ void *drm_calloc_large(size_t nmemb, size_t size) { - u8 *addr; - - if (size <= PAGE_SIZE) + if (size * nmemb <= PAGE_SIZE) return kcalloc(nmemb, size, GFP_KERNEL); - addr = vmalloc(nmemb * size); - if (!addr) + if (size != 0 && nmemb > ULONG_MAX / size) return NULL; - memset(addr, 0, nmemb * size); - - return addr; + return __vmalloc(size * nmemb, + GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL); } static __inline void drm_free_large(void *ptr) -- cgit v1.2.3 From 2a71ebcd85bcc4d6607f577f23a491f796c30e82 Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 12 Jun 2009 15:53:10 +1000 Subject: drm/radeon: add rv740 drm support. This adds drm support for the RV740 family of chips to the r600 support code. Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r600_cp.c | 38 ++++++++++++++++++++++++++++++++++--- drivers/gpu/drm/radeon/radeon_drv.h | 1 + include/drm/drm_pciids.h | 5 +++++ 3 files changed, 41 insertions(+), 3 deletions(-) (limited to 'include') diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c index bc9d09dfa8e7..aa4eee4b7f3a 100644 --- a/drivers/gpu/drm/radeon/r600_cp.c +++ b/drivers/gpu/drm/radeon/r600_cp.c @@ -489,15 +489,16 @@ static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv) RADEON_WRITE(R600_CP_ME_RAM_DATA, RV770_cp_microcode[i]); RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); - } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV730)) { + } else if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV730) || + ((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV740)) { RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV730 PFP Microcode\n"); + DRM_INFO("Loading RV730/RV740 PFP Microcode\n"); for (i = 0; i < R700_PFP_UCODE_SIZE; i++) RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV730_pfp_microcode[i]); RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); - DRM_INFO("Loading RV730 CP Microcode\n"); + DRM_INFO("Loading RV730/RV740 CP Microcode\n"); for (i = 0; i < R700_PM4_UCODE_SIZE; i++) RADEON_WRITE(R600_CP_ME_RAM_DATA, RV730_cp_microcode[i]); RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); @@ -1324,6 +1325,10 @@ static void r700_gfx_init(struct drm_device *dev, dev_priv->r700_sc_prim_fifo_size = 0xf9; dev_priv->r700_sc_hiz_tile_fifo_size = 0x30; dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130; + if (dev_priv->r600_sx_max_export_pos_size > 16) { + dev_priv->r600_sx_max_export_pos_size -= 16; + dev_priv->r600_sx_max_export_smx_size += 16; + } break; case CHIP_RV710: dev_priv->r600_max_pipes = 2; @@ -1345,6 +1350,31 @@ static void r700_gfx_init(struct drm_device *dev, dev_priv->r700_sc_hiz_tile_fifo_size = 0x30; dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130; break; + case CHIP_RV740: + dev_priv->r600_max_pipes = 4; + dev_priv->r600_max_tile_pipes = 4; + dev_priv->r600_max_simds = 8; + dev_priv->r600_max_backends = 4; + dev_priv->r600_max_gprs = 256; + dev_priv->r600_max_threads = 248; + dev_priv->r600_max_stack_entries = 512; + dev_priv->r600_max_hw_contexts = 8; + dev_priv->r600_max_gs_threads = 16 * 2; + dev_priv->r600_sx_max_export_size = 256; + dev_priv->r600_sx_max_export_pos_size = 32; + dev_priv->r600_sx_max_export_smx_size = 224; + dev_priv->r600_sq_num_cf_insts = 2; + + dev_priv->r700_sx_num_of_sets = 7; + dev_priv->r700_sc_prim_fifo_size = 0x100; + dev_priv->r700_sc_hiz_tile_fifo_size = 0x30; + dev_priv->r700_sc_earlyz_tile_fifo_fize = 0x130; + + if (dev_priv->r600_sx_max_export_pos_size > 16) { + dev_priv->r600_sx_max_export_pos_size -= 16; + dev_priv->r600_sx_max_export_smx_size += 16; + } + break; default: break; } @@ -1493,6 +1523,7 @@ static void r700_gfx_init(struct drm_device *dev, break; case CHIP_RV730: case CHIP_RV710: + case CHIP_RV740: default: sq_ms_fifo_sizes |= R600_FETCH_FIFO_HIWATER(0x4); break; @@ -1569,6 +1600,7 @@ static void r700_gfx_init(struct drm_device *dev, switch (dev_priv->flags & RADEON_FAMILY_MASK) { case CHIP_RV770: case CHIP_RV730: + case CHIP_RV740: gs_prim_buffer_depth = 384; break; case CHIP_RV710: diff --git a/drivers/gpu/drm/radeon/radeon_drv.h b/drivers/gpu/drm/radeon/radeon_drv.h index 8071d965f142..e266e5f8dc26 100644 --- a/drivers/gpu/drm/radeon/radeon_drv.h +++ b/drivers/gpu/drm/radeon/radeon_drv.h @@ -146,6 +146,7 @@ enum radeon_family { CHIP_RV770, CHIP_RV730, CHIP_RV710, + CHIP_RV740, CHIP_LAST, }; diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index 8b4c80cdd277..c7a1a8dc5ea4 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -254,6 +254,11 @@ {0x1002, 0x940A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R600|RADEON_NEW_MEMMAP}, \ {0x1002, 0x940B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R600|RADEON_NEW_MEMMAP}, \ {0x1002, 0x940F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_R600|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x94A0, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x94A1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x94B1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x94B3, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x94B5, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV740|RADEON_NEW_MEMMAP}, \ {0x1002, 0x9440, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \ {0x1002, 0x9441, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \ {0x1002, 0x9442, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \ -- cgit v1.2.3 From 715cbb05c935e8a4306a730d14a72d5af881523e Mon Sep 17 00:00:00 2001 From: Alex Deucher Date: Fri, 12 Jun 2009 15:55:44 +1000 Subject: drm/radeon: add support for RV790. This adds the PCI IDs for the rv790 which are equiv to the rv770. Signed-off-by: Dave Airlie --- drivers/gpu/drm/radeon/r600_cp.c | 4 ++-- include/drm/drm_pciids.h | 2 ++ 2 files changed, 4 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/drivers/gpu/drm/radeon/r600_cp.c b/drivers/gpu/drm/radeon/r600_cp.c index aa4eee4b7f3a..146f3570af8e 100644 --- a/drivers/gpu/drm/radeon/r600_cp.c +++ b/drivers/gpu/drm/radeon/r600_cp.c @@ -478,13 +478,13 @@ static void r700_cp_load_microcode(drm_radeon_private_t *dev_priv) if (((dev_priv->flags & RADEON_FAMILY_MASK) == CHIP_RV770)) { RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); - DRM_INFO("Loading RV770 PFP Microcode\n"); + DRM_INFO("Loading RV770/RV790 PFP Microcode\n"); for (i = 0; i < R700_PFP_UCODE_SIZE; i++) RADEON_WRITE(R600_CP_PFP_UCODE_DATA, RV770_pfp_microcode[i]); RADEON_WRITE(R600_CP_PFP_UCODE_ADDR, 0); RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); - DRM_INFO("Loading RV770 CP Microcode\n"); + DRM_INFO("Loading RV770/RV790 CP Microcode\n"); for (i = 0; i < R700_PM4_UCODE_SIZE; i++) RADEON_WRITE(R600_CP_ME_RAM_DATA, RV770_cp_microcode[i]); RADEON_WRITE(R600_CP_ME_RAM_WADDR, 0); diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h index c7a1a8dc5ea4..f8634ab53b8f 100644 --- a/include/drm/drm_pciids.h +++ b/include/drm/drm_pciids.h @@ -273,6 +273,8 @@ {0x1002, 0x9456, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_NEW_MEMMAP}, \ {0x1002, 0x945A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x945B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x9460, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ + {0x1002, 0x9462, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x946A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x946B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ {0x1002, 0x947A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_RV770|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP}, \ -- cgit v1.2.3 From 249d6048ca98b5452105b0824abac1275661b8e3 Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Wed, 8 Apr 2009 17:11:16 +0200 Subject: drm: Split out the mm declarations in a separate header. Add atomic operations. this is a TTM preparation patch, it rearranges the mm and add operations needed to do mm operations in atomic context. Signed-off-by: Thomas Hellstrom Signed-off-by: Dave Airlie --- drivers/gpu/drm/drm_mm.c | 165 +++++++++++++++++++++++++++++++++++++++-------- include/drm/drmP.h | 37 +---------- include/drm/drm_mm.h | 90 ++++++++++++++++++++++++++ 3 files changed, 228 insertions(+), 64 deletions(-) create mode 100644 include/drm/drm_mm.h (limited to 'include') diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index 367c590ffbba..7819fd930a51 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -42,8 +42,11 @@ */ #include "drmP.h" +#include "drm_mm.h" #include +#define MM_UNUSED_TARGET 4 + unsigned long drm_mm_tail_space(struct drm_mm *mm) { struct list_head *tail_node; @@ -74,16 +77,62 @@ int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size) return 0; } +static struct drm_mm_node *drm_mm_kmalloc(struct drm_mm *mm, int atomic) +{ + struct drm_mm_node *child; + + if (atomic) + child = kmalloc(sizeof(*child), GFP_ATOMIC); + else + child = kmalloc(sizeof(*child), GFP_KERNEL); + + if (unlikely(child == NULL)) { + spin_lock(&mm->unused_lock); + if (list_empty(&mm->unused_nodes)) + child = NULL; + else { + child = + list_entry(mm->unused_nodes.next, + struct drm_mm_node, fl_entry); + list_del(&child->fl_entry); + --mm->num_unused; + } + spin_unlock(&mm->unused_lock); + } + return child; +} + +int drm_mm_pre_get(struct drm_mm *mm) +{ + struct drm_mm_node *node; + + spin_lock(&mm->unused_lock); + while (mm->num_unused < MM_UNUSED_TARGET) { + spin_unlock(&mm->unused_lock); + node = kmalloc(sizeof(*node), GFP_KERNEL); + spin_lock(&mm->unused_lock); + + if (unlikely(node == NULL)) { + int ret = (mm->num_unused < 2) ? -ENOMEM : 0; + spin_unlock(&mm->unused_lock); + return ret; + } + ++mm->num_unused; + list_add_tail(&node->fl_entry, &mm->unused_nodes); + } + spin_unlock(&mm->unused_lock); + return 0; +} +EXPORT_SYMBOL(drm_mm_pre_get); static int drm_mm_create_tail_node(struct drm_mm *mm, - unsigned long start, - unsigned long size) + unsigned long start, + unsigned long size, int atomic) { struct drm_mm_node *child; - child = (struct drm_mm_node *) - drm_alloc(sizeof(*child), DRM_MEM_MM); - if (!child) + child = drm_mm_kmalloc(mm, atomic); + if (unlikely(child == NULL)) return -ENOMEM; child->free = 1; @@ -97,8 +146,7 @@ static int drm_mm_create_tail_node(struct drm_mm *mm, return 0; } - -int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size) +int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size, int atomic) { struct list_head *tail_node; struct drm_mm_node *entry; @@ -106,20 +154,21 @@ int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size) tail_node = mm->ml_entry.prev; entry = list_entry(tail_node, struct drm_mm_node, ml_entry); if (!entry->free) { - return drm_mm_create_tail_node(mm, entry->start + entry->size, size); + return drm_mm_create_tail_node(mm, entry->start + entry->size, + size, atomic); } entry->size += size; return 0; } static struct drm_mm_node *drm_mm_split_at_start(struct drm_mm_node *parent, - unsigned long size) + unsigned long size, + int atomic) { struct drm_mm_node *child; - child = (struct drm_mm_node *) - drm_alloc(sizeof(*child), DRM_MEM_MM); - if (!child) + child = drm_mm_kmalloc(parent->mm, atomic); + if (unlikely(child == NULL)) return NULL; INIT_LIST_HEAD(&child->fl_entry); @@ -151,8 +200,9 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, tmp = parent->start % alignment; if (tmp) { - align_splitoff = drm_mm_split_at_start(parent, alignment - tmp); - if (!align_splitoff) + align_splitoff = + drm_mm_split_at_start(parent, alignment - tmp, 0); + if (unlikely(align_splitoff == NULL)) return NULL; } @@ -161,7 +211,7 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, parent->free = 0; return parent; } else { - child = drm_mm_split_at_start(parent, size); + child = drm_mm_split_at_start(parent, size, 0); } if (align_splitoff) @@ -169,14 +219,49 @@ struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, return child; } + EXPORT_SYMBOL(drm_mm_get_block); +struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *parent, + unsigned long size, + unsigned alignment) +{ + + struct drm_mm_node *align_splitoff = NULL; + struct drm_mm_node *child; + unsigned tmp = 0; + + if (alignment) + tmp = parent->start % alignment; + + if (tmp) { + align_splitoff = + drm_mm_split_at_start(parent, alignment - tmp, 1); + if (unlikely(align_splitoff == NULL)) + return NULL; + } + + if (parent->size == size) { + list_del_init(&parent->fl_entry); + parent->free = 0; + return parent; + } else { + child = drm_mm_split_at_start(parent, size, 1); + } + + if (align_splitoff) + drm_mm_put_block(align_splitoff); + + return child; +} +EXPORT_SYMBOL(drm_mm_get_block_atomic); + /* * Put a block. Merge with the previous and / or next block if they are free. * Otherwise add to the free stack. */ -void drm_mm_put_block(struct drm_mm_node * cur) +void drm_mm_put_block(struct drm_mm_node *cur) { struct drm_mm *mm = cur->mm; @@ -188,21 +273,27 @@ void drm_mm_put_block(struct drm_mm_node * cur) int merged = 0; if (cur_head->prev != root_head) { - prev_node = list_entry(cur_head->prev, struct drm_mm_node, ml_entry); + prev_node = + list_entry(cur_head->prev, struct drm_mm_node, ml_entry); if (prev_node->free) { prev_node->size += cur->size; merged = 1; } } if (cur_head->next != root_head) { - next_node = list_entry(cur_head->next, struct drm_mm_node, ml_entry); + next_node = + list_entry(cur_head->next, struct drm_mm_node, ml_entry); if (next_node->free) { if (merged) { prev_node->size += next_node->size; list_del(&next_node->ml_entry); list_del(&next_node->fl_entry); - drm_free(next_node, sizeof(*next_node), - DRM_MEM_MM); + if (mm->num_unused < MM_UNUSED_TARGET) { + list_add(&next_node->fl_entry, + &mm->unused_nodes); + ++mm->num_unused; + } else + kfree(next_node); } else { next_node->size += cur->size; next_node->start = cur->start; @@ -215,14 +306,19 @@ void drm_mm_put_block(struct drm_mm_node * cur) list_add(&cur->fl_entry, &mm->fl_entry); } else { list_del(&cur->ml_entry); - drm_free(cur, sizeof(*cur), DRM_MEM_MM); + if (mm->num_unused < MM_UNUSED_TARGET) { + list_add(&cur->fl_entry, &mm->unused_nodes); + ++mm->num_unused; + } else + kfree(cur); } } + EXPORT_SYMBOL(drm_mm_put_block); -struct drm_mm_node *drm_mm_search_free(const struct drm_mm * mm, - unsigned long size, - unsigned alignment, int best_match) +struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, + unsigned long size, + unsigned alignment, int best_match) { struct list_head *list; const struct list_head *free_stack = &mm->fl_entry; @@ -247,7 +343,6 @@ struct drm_mm_node *drm_mm_search_free(const struct drm_mm * mm, wasted += alignment - tmp; } - if (entry->size >= size + wasted) { if (!best_match) return entry; @@ -260,6 +355,7 @@ struct drm_mm_node *drm_mm_search_free(const struct drm_mm * mm, return best; } +EXPORT_SYMBOL(drm_mm_search_free); int drm_mm_clean(struct drm_mm * mm) { @@ -267,14 +363,17 @@ int drm_mm_clean(struct drm_mm * mm) return (head->next->next == head); } -EXPORT_SYMBOL(drm_mm_search_free); +EXPORT_SYMBOL(drm_mm_clean); int drm_mm_init(struct drm_mm * mm, unsigned long start, unsigned long size) { INIT_LIST_HEAD(&mm->ml_entry); INIT_LIST_HEAD(&mm->fl_entry); + INIT_LIST_HEAD(&mm->unused_nodes); + mm->num_unused = 0; + spin_lock_init(&mm->unused_lock); - return drm_mm_create_tail_node(mm, start, size); + return drm_mm_create_tail_node(mm, start, size, 0); } EXPORT_SYMBOL(drm_mm_init); @@ -282,6 +381,7 @@ void drm_mm_takedown(struct drm_mm * mm) { struct list_head *bnode = mm->fl_entry.next; struct drm_mm_node *entry; + struct drm_mm_node *next; entry = list_entry(bnode, struct drm_mm_node, fl_entry); @@ -293,7 +393,16 @@ void drm_mm_takedown(struct drm_mm * mm) list_del(&entry->fl_entry); list_del(&entry->ml_entry); + kfree(entry); + + spin_lock(&mm->unused_lock); + list_for_each_entry_safe(entry, next, &mm->unused_nodes, fl_entry) { + list_del(&entry->fl_entry); + kfree(entry); + --mm->num_unused; + } + spin_unlock(&mm->unused_lock); - drm_free(entry, sizeof(*entry), DRM_MEM_MM); + BUG_ON(mm->num_unused != 0); } EXPORT_SYMBOL(drm_mm_takedown); diff --git a/include/drm/drmP.h b/include/drm/drmP.h index 1cc51a0812fe..d4ddc22e46bb 100644 --- a/include/drm/drmP.h +++ b/include/drm/drmP.h @@ -86,6 +86,7 @@ struct drm_device; #include "drm_os_linux.h" #include "drm_hashtab.h" +#include "drm_mm.h" #define DRM_UT_CORE 0x01 #define DRM_UT_DRIVER 0x02 @@ -553,26 +554,6 @@ struct drm_sigdata { }; -/* - * Generic memory manager structs - */ - -struct drm_mm_node { - struct list_head fl_entry; - struct list_head ml_entry; - int free; - unsigned long start; - unsigned long size; - struct drm_mm *mm; - void *private; -}; - -struct drm_mm { - struct list_head fl_entry; - struct list_head ml_entry; -}; - - /** * Kernel side of a mapping */ @@ -1436,22 +1417,6 @@ extern char *drm_get_connector_status_name(enum drm_connector_status status); extern int drm_sysfs_connector_add(struct drm_connector *connector); extern void drm_sysfs_connector_remove(struct drm_connector *connector); -/* - * Basic memory manager support (drm_mm.c) - */ -extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node * parent, - unsigned long size, - unsigned alignment); -extern void drm_mm_put_block(struct drm_mm_node * cur); -extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, unsigned long size, - unsigned alignment, int best_match); -extern int drm_mm_init(struct drm_mm *mm, unsigned long start, unsigned long size); -extern void drm_mm_takedown(struct drm_mm *mm); -extern int drm_mm_clean(struct drm_mm *mm); -extern unsigned long drm_mm_tail_space(struct drm_mm *mm); -extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, unsigned long size); -extern int drm_mm_add_space_to_tail(struct drm_mm *mm, unsigned long size); - /* Graphics Execution Manager library functions (drm_gem.c) */ int drm_gem_init(struct drm_device *dev); void drm_gem_destroy(struct drm_device *dev); diff --git a/include/drm/drm_mm.h b/include/drm/drm_mm.h new file mode 100644 index 000000000000..5662f4278ef3 --- /dev/null +++ b/include/drm/drm_mm.h @@ -0,0 +1,90 @@ +/************************************************************************** + * + * Copyright 2006-2008 Tungsten Graphics, Inc., Cedar Park, TX. USA. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * + **************************************************************************/ +/* + * Authors: + * Thomas Hellstrom + */ + +#ifndef _DRM_MM_H_ +#define _DRM_MM_H_ + +/* + * Generic range manager structs + */ +#include + +struct drm_mm_node { + struct list_head fl_entry; + struct list_head ml_entry; + int free; + unsigned long start; + unsigned long size; + struct drm_mm *mm; + void *private; +}; + +struct drm_mm { + struct list_head fl_entry; + struct list_head ml_entry; + struct list_head unused_nodes; + int num_unused; + spinlock_t unused_lock; +}; + +/* + * Basic range manager support (drm_mm.c) + */ + +extern struct drm_mm_node *drm_mm_get_block(struct drm_mm_node *parent, + unsigned long size, + unsigned alignment); +extern struct drm_mm_node *drm_mm_get_block_atomic(struct drm_mm_node *parent, + unsigned long size, + unsigned alignment); +extern void drm_mm_put_block(struct drm_mm_node *cur); +extern struct drm_mm_node *drm_mm_search_free(const struct drm_mm *mm, + unsigned long size, + unsigned alignment, + int best_match); +extern int drm_mm_init(struct drm_mm *mm, unsigned long start, + unsigned long size); +extern void drm_mm_takedown(struct drm_mm *mm); +extern int drm_mm_clean(struct drm_mm *mm); +extern unsigned long drm_mm_tail_space(struct drm_mm *mm); +extern int drm_mm_remove_space_from_tail(struct drm_mm *mm, + unsigned long size); +extern int drm_mm_add_space_to_tail(struct drm_mm *mm, + unsigned long size, int atomic); +extern int drm_mm_pre_get(struct drm_mm *mm); + +static inline struct drm_mm *drm_get_mm(struct drm_mm_node *block) +{ + return block->mm; +} + +#endif -- cgit v1.2.3 From 3c24475c1e4e8d10e50df161d8c4f1d382997a7c Mon Sep 17 00:00:00 2001 From: Jerome Glisse Date: Wed, 8 Apr 2009 18:34:28 +0200 Subject: drm: include kernel list header file in hashtab header Signed-off-by: Dave Airlie --- include/drm/drm_hashtab.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include') diff --git a/include/drm/drm_hashtab.h b/include/drm/drm_hashtab.h index cd2b189e1be6..0af087a4d3b3 100644 --- a/include/drm/drm_hashtab.h +++ b/include/drm/drm_hashtab.h @@ -35,6 +35,8 @@ #ifndef DRM_HASHTAB_H #define DRM_HASHTAB_H +#include + #define drm_hash_entry(_ptr, _type, _member) container_of(_ptr, _type, _member) struct drm_hash_item { -- cgit v1.2.3 From ca371c0d7e23d0d0afae65fc83a0e91cf7399573 Mon Sep 17 00:00:00 2001 From: KAMEZAWA Hiroyuki Date: Fri, 12 Jun 2009 10:33:53 +0300 Subject: memcg: fix page_cgroup fatal error in FLATMEM Now, SLAB is configured in very early stage and it can be used in init routine now. But replacing alloc_bootmem() in FLAT/DISCONTIGMEM's page_cgroup() initialization breaks the allocation, now. (Works well in SPARSEMEM case...it supports MEMORY_HOTPLUG and size of page_cgroup is in reasonable size (< 1 << MAX_ORDER.) This patch revive FLATMEM+memory cgroup by using alloc_bootmem. In future, We stop to support FLATMEM (if no users) or rewrite codes for flatmem completely.But this will adds more messy codes and overheads. Reported-by: Li Zefan Tested-by: Li Zefan Tested-by: Ingo Molnar Signed-off-by: KAMEZAWA Hiroyuki Signed-off-by: Pekka Enberg --- include/linux/page_cgroup.h | 18 +++++++++++++++++- init/main.c | 5 +++++ mm/page_cgroup.c | 29 ++++++++++------------------- 3 files changed, 32 insertions(+), 20 deletions(-) (limited to 'include') diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h index 7339c7bf7331..13f126c89ae8 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/page_cgroup.h @@ -18,7 +18,19 @@ struct page_cgroup { }; void __meminit pgdat_page_cgroup_init(struct pglist_data *pgdat); -void __init page_cgroup_init(void); + +#ifdef CONFIG_SPARSEMEM +static inline void __init page_cgroup_init_flatmem(void) +{ +} +extern void __init page_cgroup_init(void); +#else +void __init page_cgroup_init_flatmem(void); +static inline void __init page_cgroup_init(void) +{ +} +#endif + struct page_cgroup *lookup_page_cgroup(struct page *page); enum { @@ -87,6 +99,10 @@ static inline void page_cgroup_init(void) { } +static inline void __init page_cgroup_init_flatmem(void) +{ +} + #endif #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP diff --git a/init/main.c b/init/main.c index 5616661eac01..b3e8f14c568a 100644 --- a/init/main.c +++ b/init/main.c @@ -539,6 +539,11 @@ void __init __weak thread_info_cache_init(void) */ static void __init mm_init(void) { + /* + * page_cgroup requires countinous pages as memmap + * and it's bigger than MAX_ORDER unless SPARSEMEM. + */ + page_cgroup_init_flatmem(); mem_init(); kmem_cache_init(); vmalloc_init(); diff --git a/mm/page_cgroup.c b/mm/page_cgroup.c index 3dd4a909a1de..11a8a10a3909 100644 --- a/mm/page_cgroup.c +++ b/mm/page_cgroup.c @@ -47,8 +47,6 @@ static int __init alloc_node_page_cgroup(int nid) struct page_cgroup *base, *pc; unsigned long table_size; unsigned long start_pfn, nr_pages, index; - struct page *page; - unsigned int order; start_pfn = NODE_DATA(nid)->node_start_pfn; nr_pages = NODE_DATA(nid)->node_spanned_pages; @@ -57,13 +55,11 @@ static int __init alloc_node_page_cgroup(int nid) return 0; table_size = sizeof(struct page_cgroup) * nr_pages; - order = get_order(table_size); - page = alloc_pages_node(nid, GFP_NOWAIT | __GFP_ZERO, order); - if (!page) - page = alloc_pages_node(-1, GFP_NOWAIT | __GFP_ZERO, order); - if (!page) + + base = __alloc_bootmem_node_nopanic(NODE_DATA(nid), + table_size, PAGE_SIZE, __pa(MAX_DMA_ADDRESS)); + if (!base) return -ENOMEM; - base = page_address(page); for (index = 0; index < nr_pages; index++) { pc = base + index; __init_page_cgroup(pc, start_pfn + index); @@ -73,7 +69,7 @@ static int __init alloc_node_page_cgroup(int nid) return 0; } -void __init page_cgroup_init(void) +void __init page_cgroup_init_flatmem(void) { int nid, fail; @@ -117,16 +113,11 @@ static int __init_refok init_section_page_cgroup(unsigned long pfn) if (!section->page_cgroup) { nid = page_to_nid(pfn_to_page(pfn)); table_size = sizeof(struct page_cgroup) * PAGES_PER_SECTION; - if (slab_is_available()) { - base = kmalloc_node(table_size, - GFP_KERNEL | __GFP_NOWARN, nid); - if (!base) - base = vmalloc_node(table_size, nid); - } else { - base = __alloc_bootmem_node_nopanic(NODE_DATA(nid), - table_size, - PAGE_SIZE, __pa(MAX_DMA_ADDRESS)); - } + VM_BUG_ON(!slab_is_available()); + base = kmalloc_node(table_size, + GFP_KERNEL | __GFP_NOWARN, nid); + if (!base) + base = vmalloc_node(table_size, nid); } else { /* * We don't have to allocate page_cgroup again, but -- cgit v1.2.3 From 9a71af2c3627b379b7c31917a7f6ee0d29bc559b Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 21:46:53 -0600 Subject: module_param: invbool should take a 'bool', not an 'int' It takes an 'int' for historical reasons, and there are only two users: simply switch it over to bool. The other user (uvesafb.c) will get a (harmless-on-x86) warning until the next patch is applied. Cc: Brad Douglas Cc: Michal Januszewski Signed-off-by: Rusty Russell --- drivers/video/aty/aty128fb.c | 2 +- include/linux/moduleparam.h | 2 +- kernel/params.c | 4 ++-- 3 files changed, 4 insertions(+), 4 deletions(-) (limited to 'include') diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index 35e8eb02b9e9..e4e4d433b007 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -354,7 +354,7 @@ static int default_crt_on __devinitdata = 0; static int default_lcd_on __devinitdata = 1; #ifdef CONFIG_MTRR -static int mtrr = 1; +static bool mtrr = true; #endif #ifdef CONFIG_PMAC_BACKLIGHT diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index a4f0b931846c..9bbca8e8c19f 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -192,7 +192,7 @@ extern int param_get_bool(char *buffer, struct kernel_param *kp); extern int param_set_invbool(const char *val, struct kernel_param *kp); extern int param_get_invbool(char *buffer, struct kernel_param *kp); -#define param_check_invbool(name, p) __param_check(name, p, int) +#define param_check_invbool(name, p) __param_check(name, p, bool) /* Comma-separated array: *nump is set to number they actually specified. */ #define module_param_array_named(name, array, type, nump, perm) \ diff --git a/kernel/params.c b/kernel/params.c index de273ec85bd2..023abbf5f89f 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -272,13 +272,13 @@ int param_set_invbool(const char *val, struct kernel_param *kp) dummy.arg = &boolval; ret = param_set_bool(val, &dummy); if (ret == 0) - *(int *)kp->arg = !boolval; + *(bool *)kp->arg = !boolval; return ret; } int param_get_invbool(char *buffer, struct kernel_param *kp) { - return sprintf(buffer, "%c", (*(int *)kp->arg) ? 'N' : 'Y'); + return sprintf(buffer, "%c", (*(bool *)kp->arg) ? 'N' : 'Y'); } /* We break the rule and mangle the string. */ -- cgit v1.2.3 From 45fcc70c0b6ee0c508e1fdb5fef735c3546803f4 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 21:46:56 -0600 Subject: module_param: split perm field into flags and perm Impact: cleanup Rather than hack KPARAM_KMALLOCED into the perm field, separate it out. Since the perm field was 32 bits and only needs 16, we don't add bloat. Signed-off-by: Rusty Russell --- include/linux/moduleparam.h | 8 ++++++-- kernel/params.c | 9 +++------ 2 files changed, 9 insertions(+), 8 deletions(-) (limited to 'include') diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 9bbca8e8c19f..009a5f768768 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -36,9 +36,13 @@ typedef int (*param_set_fn)(const char *val, struct kernel_param *kp); /* Returns length written or -errno. Buffer is 4k (ie. be short!) */ typedef int (*param_get_fn)(char *buffer, struct kernel_param *kp); +/* Flag bits for kernel_param.flags */ +#define KPARAM_KMALLOCED 1 + struct kernel_param { const char *name; - unsigned int perm; + u16 perm; + u16 flags; param_set_fn set; param_get_fn get; union { @@ -88,7 +92,7 @@ struct kparam_array static struct kernel_param __moduleparam_const __param_##name \ __used \ __attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) \ - = { __param_str_##name, perm, set, get, { arg } } + = { __param_str_##name, perm, 0, set, get, { arg } } #define module_param_call(name, set, get, arg, perm) \ __module_param_call(MODULE_PARAM_PREFIX, name, set, get, arg, perm) diff --git a/kernel/params.c b/kernel/params.c index 023abbf5f89f..b4660dc13dbc 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -24,9 +24,6 @@ #include #include -/* We abuse the high bits of "perm" to record whether we kmalloc'ed. */ -#define KPARAM_KMALLOCED 0x80000000 - #if 0 #define DEBUGP printk #else @@ -220,13 +217,13 @@ int param_set_charp(const char *val, struct kernel_param *kp) return -ENOSPC; } - if (kp->perm & KPARAM_KMALLOCED) + if (kp->flags & KPARAM_KMALLOCED) kfree(*(char **)kp->arg); /* This is a hack. We can't need to strdup in early boot, and we * don't need to; this mangled commandline is preserved. */ if (slab_is_available()) { - kp->perm |= KPARAM_KMALLOCED; + kp->flags |= KPARAM_KMALLOCED; *(char **)kp->arg = kstrdup(val, GFP_KERNEL); if (!kp->arg) return -ENOMEM; @@ -591,7 +588,7 @@ void destroy_params(const struct kernel_param *params, unsigned num) unsigned int i; for (i = 0; i < num; i++) - if (params[i].perm & KPARAM_KMALLOCED) + if (params[i].flags & KPARAM_KMALLOCED) kfree(*(char **)params[i].arg); } -- cgit v1.2.3 From d2c123c27db841c6c11a63de9c144823d2b1ba76 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 21:46:56 -0600 Subject: module_param: add __same_type convenience wrapper for __builtin_types_compatible_p Impact: new API __builtin_types_compatible_p() is a little awkward to use: it takes two types rather than types or variables, and it's just damn long. (typeof(type) == type, so this works on types as well as vars). Signed-off-by: Rusty Russell --- include/linux/compiler.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'include') diff --git a/include/linux/compiler.h b/include/linux/compiler.h index 37bcb50a4d7c..04fb5135b4e1 100644 --- a/include/linux/compiler.h +++ b/include/linux/compiler.h @@ -261,6 +261,11 @@ void ftrace_likely_update(struct ftrace_branch_data *f, int val, int expect); # define __section(S) __attribute__ ((__section__(#S))) #endif +/* Are two types/vars the same type (ignoring qualifiers)? */ +#ifndef __same_type +# define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) +#endif + /* * Prevent the compiler from merging or refetching accesses. The compiler * is also forbidden from reordering successive instances of ACCESS_ONCE(), -- cgit v1.2.3 From fddd520122953550ec2c8b60e7ca0d0f0d115d97 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 21:46:57 -0600 Subject: module_param: allow 'bool' module_params to be bool, not just int. Impact: API cleanup For historical reasons, 'bool' parameters must be an int, not a bool. But there are around 600 users, so a conversion seems like useless churn. So we use __same_type() to distinguish, and handle both cases. Signed-off-by: Rusty Russell --- include/linux/moduleparam.h | 32 +++++++++++++++++++++++--------- kernel/params.c | 33 ++++++++++++++++++++++++++------- 2 files changed, 49 insertions(+), 16 deletions(-) (limited to 'include') diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h index 009a5f768768..6547c3cdbc4c 100644 --- a/include/linux/moduleparam.h +++ b/include/linux/moduleparam.h @@ -38,6 +38,7 @@ typedef int (*param_get_fn)(char *buffer, struct kernel_param *kp); /* Flag bits for kernel_param.flags */ #define KPARAM_KMALLOCED 1 +#define KPARAM_ISBOOL 2 struct kernel_param { const char *name; @@ -83,7 +84,7 @@ struct kparam_array parameters. perm sets the visibility in sysfs: 000 means it's not there, read bits mean it's readable, write bits mean it's writable. */ -#define __module_param_call(prefix, name, set, get, arg, perm) \ +#define __module_param_call(prefix, name, set, get, arg, isbool, perm) \ /* Default value instead of permissions? */ \ static int __param_perm_check_##name __attribute__((unused)) = \ BUILD_BUG_ON_ZERO((perm) < 0 || (perm) > 0777 || ((perm) & 2)) \ @@ -92,10 +93,13 @@ struct kparam_array static struct kernel_param __moduleparam_const __param_##name \ __used \ __attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) \ - = { __param_str_##name, perm, 0, set, get, { arg } } + = { __param_str_##name, perm, isbool ? KPARAM_ISBOOL : 0, \ + set, get, { arg } } #define module_param_call(name, set, get, arg, perm) \ - __module_param_call(MODULE_PARAM_PREFIX, name, set, get, arg, perm) + __module_param_call(MODULE_PARAM_PREFIX, \ + name, set, get, arg, \ + __same_type(*(arg), bool), perm) /* Helper functions: type is byte, short, ushort, int, uint, long, ulong, charp, bool or invbool, or XXX if you define param_get_XXX, @@ -124,15 +128,16 @@ struct kparam_array #define core_param(name, var, type, perm) \ param_check_##type(name, &(var)); \ __module_param_call("", name, param_set_##type, param_get_##type, \ - &var, perm) + &var, __same_type(var, bool), perm) #endif /* !MODULE */ /* Actually copy string: maxlen param is usually sizeof(string). */ #define module_param_string(name, string, len, perm) \ static const struct kparam_string __param_string_##name \ = { len, string }; \ - module_param_call(name, param_set_copystring, param_get_string, \ - .str = &__param_string_##name, perm); \ + __module_param_call(MODULE_PARAM_PREFIX, name, \ + param_set_copystring, param_get_string, \ + .str = &__param_string_##name, 0, perm); \ __MODULE_PARM_TYPE(name, "string") /* Called on module insert or kernel boot */ @@ -190,9 +195,16 @@ extern int param_set_charp(const char *val, struct kernel_param *kp); extern int param_get_charp(char *buffer, struct kernel_param *kp); #define param_check_charp(name, p) __param_check(name, p, char *) +/* For historical reasons "bool" parameters can be (unsigned) "int". */ extern int param_set_bool(const char *val, struct kernel_param *kp); extern int param_get_bool(char *buffer, struct kernel_param *kp); -#define param_check_bool(name, p) __param_check(name, p, int) +#define param_check_bool(name, p) \ + static inline void __check_##name(void) \ + { \ + BUILD_BUG_ON(!__same_type(*(p), bool) && \ + !__same_type(*(p), unsigned int) && \ + !__same_type(*(p), int)); \ + } extern int param_set_invbool(const char *val, struct kernel_param *kp); extern int param_get_invbool(char *buffer, struct kernel_param *kp); @@ -203,8 +215,10 @@ extern int param_get_invbool(char *buffer, struct kernel_param *kp); static const struct kparam_array __param_arr_##name \ = { ARRAY_SIZE(array), nump, param_set_##type, param_get_##type,\ sizeof(array[0]), array }; \ - module_param_call(name, param_array_set, param_array_get, \ - .arr = &__param_arr_##name, perm); \ + __module_param_call(MODULE_PARAM_PREFIX, name, \ + param_array_set, param_array_get, \ + .arr = &__param_arr_##name, \ + __same_type(array[0], bool), perm); \ __MODULE_PARM_TYPE(name, "array of " #type) #define module_param_array(name, type, nump, perm) \ diff --git a/kernel/params.c b/kernel/params.c index b4660dc13dbc..7f6912ced2ba 100644 --- a/kernel/params.c +++ b/kernel/params.c @@ -238,35 +238,54 @@ int param_get_charp(char *buffer, struct kernel_param *kp) return sprintf(buffer, "%s", *((char **)kp->arg)); } +/* Actually could be a bool or an int, for historical reasons. */ int param_set_bool(const char *val, struct kernel_param *kp) { + bool v; + /* No equals means "set"... */ if (!val) val = "1"; /* One of =[yYnN01] */ switch (val[0]) { case 'y': case 'Y': case '1': - *(int *)kp->arg = 1; - return 0; + v = true; + break; case 'n': case 'N': case '0': - *(int *)kp->arg = 0; - return 0; + v = false; + break; + default: + return -EINVAL; } - return -EINVAL; + + if (kp->flags & KPARAM_ISBOOL) + *(bool *)kp->arg = v; + else + *(int *)kp->arg = v; + return 0; } int param_get_bool(char *buffer, struct kernel_param *kp) { + bool val; + if (kp->flags & KPARAM_ISBOOL) + val = *(bool *)kp->arg; + else + val = *(int *)kp->arg; + /* Y and N chosen as being relatively non-coder friendly */ - return sprintf(buffer, "%c", (*(int *)kp->arg) ? 'Y' : 'N'); + return sprintf(buffer, "%c", val ? 'Y' : 'N'); } +/* This one must be bool. */ int param_set_invbool(const char *val, struct kernel_param *kp) { - int boolval, ret; + int ret; + bool boolval; struct kernel_param dummy; dummy.arg = &boolval; + dummy.flags = KPARAM_ISBOOL; ret = param_set_bool(val, &dummy); if (ret == 0) *(bool *)kp->arg = !boolval; -- cgit v1.2.3 From ad6561dffa17f17bb68d7207d422c26c381c4313 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 21:47:03 -0600 Subject: module: trim exception table on init free. It's theoretically possible that there are exception table entries which point into the (freed) init text of modules. These could cause future problems if other modules get loaded into that memory and cause an exception as we'd see the wrong fixup. The only case I know of is kvm-intel.ko (when CONFIG_CC_OPTIMIZE_FOR_SIZE=n). Amerigo fixed this long-standing FIXME in the x86 version, but this patch is more general. This implements trim_init_extable(); most archs are simple since they use the standard lib/extable.c sort code. Alpha and IA64 use relative addresses in their fixups, so thier trimming is a slight variation. Sparc32 is unique; it doesn't seem to define ARCH_HAS_SORT_EXTABLE, yet it defines its own sort_extable() which overrides the one in lib. It doesn't sort, so we have to mark deleted entries instead of actually trimming them. Inspired-by: Amerigo Wang Signed-off-by: Rusty Russell Cc: linux-alpha@vger.kernel.org Cc: sparclinux@vger.kernel.org Cc: linux-ia64@vger.kernel.org --- arch/alpha/mm/extable.c | 21 +++++++++++++++++++++ arch/ia64/mm/extable.c | 26 ++++++++++++++++++++++++++ arch/sparc/include/asm/uaccess_32.h | 3 +++ arch/sparc/mm/extable.c | 29 +++++++++++++++++++++++++++++ include/linux/module.h | 1 + kernel/module.c | 1 + lib/extable.c | 21 ++++++++++++++++++++- 7 files changed, 101 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/arch/alpha/mm/extable.c b/arch/alpha/mm/extable.c index 62dc379d301a..813c9b63c0e1 100644 --- a/arch/alpha/mm/extable.c +++ b/arch/alpha/mm/extable.c @@ -48,6 +48,27 @@ void sort_extable(struct exception_table_entry *start, cmp_ex, swap_ex); } +#ifdef CONFIG_MODULES +/* + * Any entry referring to the module init will be at the beginning or + * the end. + */ +void trim_init_extable(struct module *m) +{ + /*trim the beginning*/ + while (m->num_exentries && + within_module_init(ex_to_addr(&m->extable[0]), m)) { + m->extable++; + m->num_exentries--; + } + /*trim the end*/ + while (m->num_exentries && + within_module_init(ex_to_addr(&m->extable[m->num_exentries-1]), + m)) + m->num_exentries--; +} +#endif /* CONFIG_MODULES */ + const struct exception_table_entry * search_extable(const struct exception_table_entry *first, const struct exception_table_entry *last, diff --git a/arch/ia64/mm/extable.c b/arch/ia64/mm/extable.c index 71c50dd8f870..e95d5ad9285d 100644 --- a/arch/ia64/mm/extable.c +++ b/arch/ia64/mm/extable.c @@ -53,6 +53,32 @@ void sort_extable (struct exception_table_entry *start, cmp_ex, swap_ex); } +static inline unsigned long ex_to_addr(const struct exception_table_entry *x) +{ + return (unsigned long)&x->insn + x->insn; +} + +#ifdef CONFIG_MODULES +/* + * Any entry referring to the module init will be at the beginning or + * the end. + */ +void trim_init_extable(struct module *m) +{ + /*trim the beginning*/ + while (m->num_exentries && + within_module_init(ex_to_addr(&m->extable[0]), m)) { + m->extable++; + m->num_exentries--; + } + /*trim the end*/ + while (m->num_exentries && + within_module_init(ex_to_addr(&m->extable[m->num_exentries-1]), + m)) + m->num_exentries--; +} +#endif /* CONFIG_MODULES */ + const struct exception_table_entry * search_extable (const struct exception_table_entry *first, const struct exception_table_entry *last, diff --git a/arch/sparc/include/asm/uaccess_32.h b/arch/sparc/include/asm/uaccess_32.h index 47d5619d43fa..8303ac481034 100644 --- a/arch/sparc/include/asm/uaccess_32.h +++ b/arch/sparc/include/asm/uaccess_32.h @@ -17,6 +17,9 @@ #ifndef __ASSEMBLY__ +#define ARCH_HAS_SORT_EXTABLE +#define ARCH_HAS_SEARCH_EXTABLE + /* Sparc is not segmented, however we need to be able to fool access_ok() * when doing system calls from kernel mode legitimately. * diff --git a/arch/sparc/mm/extable.c b/arch/sparc/mm/extable.c index 16cc28935e39..a61c349448e1 100644 --- a/arch/sparc/mm/extable.c +++ b/arch/sparc/mm/extable.c @@ -28,6 +28,10 @@ search_extable(const struct exception_table_entry *start, * word 3: last insn address + 4 bytes * word 4: fixup code address * + * Deleted entries are encoded as: + * word 1: unused + * word 2: -1 + * * See asm/uaccess.h for more details. */ @@ -39,6 +43,10 @@ search_extable(const struct exception_table_entry *start, continue; } + /* A deleted entry; see trim_init_extable */ + if (walk->fixup == -1) + continue; + if (walk->insn == value) return walk; } @@ -57,6 +65,27 @@ search_extable(const struct exception_table_entry *start, return NULL; } +#ifdef CONFIG_MODULES +/* We could memmove them around; easier to mark the trimmed ones. */ +void trim_init_extable(struct module *m) +{ + unsigned int i; + bool range; + + for (i = 0; i < m->num_exentries; i += range ? 2 : 1) { + range = m->extable[i].fixup == 0; + + if (within_module_init(m->extable[i].insn, m)) { + m->extable[i].fixup = -1; + if (range) + m->extable[i+1].fixup = -1; + } + if (range) + i++; + } +} +#endif /* CONFIG_MODULES */ + /* Special extable search, which handles ranges. Returns fixup */ unsigned long search_extables_range(unsigned long addr, unsigned long *g2) { diff --git a/include/linux/module.h b/include/linux/module.h index a8f2c0aa4c32..a7bc6e7b43a7 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -77,6 +77,7 @@ search_extable(const struct exception_table_entry *first, void sort_extable(struct exception_table_entry *start, struct exception_table_entry *finish); void sort_main_extable(void); +void trim_init_extable(struct module *m); #ifdef MODULE #define MODULE_GENERIC_TABLE(gtype,name) \ diff --git a/kernel/module.c b/kernel/module.c index 35f7de00bf0d..e4ab36ce7672 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -2455,6 +2455,7 @@ SYSCALL_DEFINE3(init_module, void __user *, umod, mutex_lock(&module_mutex); /* Drop initial reference. */ module_put(mod); + trim_init_extable(mod); module_free(mod, mod->module_init); mod->module_init = NULL; mod->init_size = 0; diff --git a/lib/extable.c b/lib/extable.c index 179c08745595..4cac81ec225e 100644 --- a/lib/extable.c +++ b/lib/extable.c @@ -39,7 +39,26 @@ void sort_extable(struct exception_table_entry *start, sort(start, finish - start, sizeof(struct exception_table_entry), cmp_ex, NULL); } -#endif + +#ifdef CONFIG_MODULES +/* + * If the exception table is sorted, any referring to the module init + * will be at the beginning or the end. + */ +void trim_init_extable(struct module *m) +{ + /*trim the beginning*/ + while (m->num_exentries && within_module_init(m->extable[0].insn, m)) { + m->extable++; + m->num_exentries--; + } + /*trim the end*/ + while (m->num_exentries && + within_module_init(m->extable[m->num_exentries-1].insn, m)) + m->num_exentries--; +} +#endif /* CONFIG_MODULES */ +#endif /* !ARCH_HAS_SORT_EXTABLE */ #ifndef ARCH_HAS_SEARCH_EXTABLE /* -- cgit v1.2.3 From f1a3c979059b2033d0b1cc4f9ee5c90bf92b5f94 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Thu, 11 Jun 2009 17:56:09 +0200 Subject: perf_counter: PERF_TYPE_HW_CACHE is a hardware counter too is_software_counter() was missing the new HW_CACHE category. ( This could have caused some counter scheduling artifacts with mixed sw and hw counters and counter groups. ) Signed-off-by: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: Signed-off-by: Ingo Molnar --- include/linux/perf_counter.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 6e133954e2e4..7c4f32f6ae1a 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -621,7 +621,8 @@ extern int perf_counter_overflow(struct perf_counter *counter, int nmi, static inline int is_software_counter(struct perf_counter *counter) { return (counter->attr.type != PERF_TYPE_RAW) && - (counter->attr.type != PERF_TYPE_HARDWARE); + (counter->attr.type != PERF_TYPE_HARDWARE) && + (counter->attr.type != PERF_TYPE_HW_CACHE); } extern void perf_swcounter_event(u32, u64, int, struct pt_regs *, u64); -- cgit v1.2.3 From 974802eaa1afdc87e00821df7020a2b3c6fee623 Mon Sep 17 00:00:00 2001 From: Peter Zijlstra Date: Fri, 12 Jun 2009 12:46:55 +0200 Subject: perf_counter: Add forward/backward attribute ABI compatibility Provide for means of extending the perf_counter_attr in a 'natural' way. We allow growing the structure by appending fields at the end by specifying the full structure size inside it. When a new kernel sees a smaller (old) structure, it will 0 pad the tail. When an old kernel sees a larger (new) structure, it will verify the tail consists of 0s, otherwise fail. If we fail due to a size-mismatch, we return -E2BIG and write the kernel's native attribe size back into the provided structure. Furthermore, add some attribute verification, so that we'll fail counter creation when unknown bits are present (PERF_SAMPLE, PERF_FORMAT, or in the __reserved fields). (This ABI detail is introduced while keeping the existing syscall ABI.) Signed-off-by: Peter Zijlstra Cc: Mike Galbraith Cc: Paul Mackerras Cc: Arnaldo Carvalho de Melo LKML-Reference: Signed-off-by: Ingo Molnar --- include/linux/perf_counter.h | 19 ++++++++-- include/linux/syscalls.h | 2 +- kernel/perf_counter.c | 89 ++++++++++++++++++++++++++++++++++++++++++-- tools/perf/perf.h | 5 ++- 4 files changed, 105 insertions(+), 10 deletions(-) (limited to 'include') diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h index 7c4f32f6ae1a..1b3118a1023a 100644 --- a/include/linux/perf_counter.h +++ b/include/linux/perf_counter.h @@ -120,6 +120,8 @@ enum perf_counter_sample_format { PERF_SAMPLE_ID = 1U << 6, PERF_SAMPLE_CPU = 1U << 7, PERF_SAMPLE_PERIOD = 1U << 8, + + PERF_SAMPLE_MAX = 1U << 9, /* non-ABI */ }; /* @@ -131,17 +133,26 @@ enum perf_counter_read_format { PERF_FORMAT_TOTAL_TIME_ENABLED = 1U << 0, PERF_FORMAT_TOTAL_TIME_RUNNING = 1U << 1, PERF_FORMAT_ID = 1U << 2, + + PERF_FORMAT_MAX = 1U << 3, /* non-ABI */ }; +#define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */ + /* * Hardware event to monitor via a performance monitoring counter: */ struct perf_counter_attr { + /* * Major type: hardware/software/tracepoint/etc. */ __u32 type; - __u32 __reserved_1; + + /* + * Size of the attr structure, for fwd/bwd compat. + */ + __u32 size; /* * Type specific configuration information. @@ -168,12 +179,12 @@ struct perf_counter_attr { comm : 1, /* include comm data */ freq : 1, /* use freq, not period */ - __reserved_2 : 53; + __reserved_1 : 53; __u32 wakeup_events; /* wakeup every n events */ - __u32 __reserved_3; + __u32 __reserved_2; - __u64 __reserved_4; + __u64 __reserved_3; }; /* diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h index c6c84ad8bd71..418d90f5effe 100644 --- a/include/linux/syscalls.h +++ b/include/linux/syscalls.h @@ -758,6 +758,6 @@ int kernel_execve(const char *filename, char *const argv[], char *const envp[]); asmlinkage long sys_perf_counter_open( - const struct perf_counter_attr __user *attr_uptr, + struct perf_counter_attr __user *attr_uptr, pid_t pid, int cpu, int group_fd, unsigned long flags); #endif diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c index 663bbe015057..29b685f551aa 100644 --- a/kernel/perf_counter.c +++ b/kernel/perf_counter.c @@ -3584,6 +3584,9 @@ perf_counter_alloc(struct perf_counter_attr *attr, case PERF_TYPE_TRACEPOINT: pmu = tp_perf_counter_init(counter); break; + + default: + break; } done: err = 0; @@ -3610,6 +3613,85 @@ done: return counter; } +static int perf_copy_attr(struct perf_counter_attr __user *uattr, + struct perf_counter_attr *attr) +{ + int ret; + u32 size; + + if (!access_ok(VERIFY_WRITE, uattr, PERF_ATTR_SIZE_VER0)) + return -EFAULT; + + /* + * zero the full structure, so that a short copy will be nice. + */ + memset(attr, 0, sizeof(*attr)); + + ret = get_user(size, &uattr->size); + if (ret) + return ret; + + if (size > PAGE_SIZE) /* silly large */ + goto err_size; + + if (!size) /* abi compat */ + size = PERF_ATTR_SIZE_VER0; + + if (size < PERF_ATTR_SIZE_VER0) + goto err_size; + + /* + * If we're handed a bigger struct than we know of, + * ensure all the unknown bits are 0. + */ + if (size > sizeof(*attr)) { + unsigned long val; + unsigned long __user *addr; + unsigned long __user *end; + + addr = PTR_ALIGN((void __user *)uattr + sizeof(*attr), + sizeof(unsigned long)); + end = PTR_ALIGN((void __user *)uattr + size, + sizeof(unsigned long)); + + for (; addr < end; addr += sizeof(unsigned long)) { + ret = get_user(val, addr); + if (ret) + return ret; + if (val) + goto err_size; + } + } + + ret = copy_from_user(attr, uattr, size); + if (ret) + return -EFAULT; + + /* + * If the type exists, the corresponding creation will verify + * the attr->config. + */ + if (attr->type >= PERF_TYPE_MAX) + return -EINVAL; + + if (attr->__reserved_1 || attr->__reserved_2 || attr->__reserved_3) + return -EINVAL; + + if (attr->sample_type & ~(PERF_SAMPLE_MAX-1)) + return -EINVAL; + + if (attr->read_format & ~(PERF_FORMAT_MAX-1)) + return -EINVAL; + +out: + return ret; + +err_size: + put_user(sizeof(*attr), &uattr->size); + ret = -E2BIG; + goto out; +} + /** * sys_perf_counter_open - open a performance counter, associate it to a task/cpu * @@ -3619,7 +3701,7 @@ done: * @group_fd: group leader counter fd */ SYSCALL_DEFINE5(perf_counter_open, - const struct perf_counter_attr __user *, attr_uptr, + struct perf_counter_attr __user *, attr_uptr, pid_t, pid, int, cpu, int, group_fd, unsigned long, flags) { struct perf_counter *counter, *group_leader; @@ -3635,8 +3717,9 @@ SYSCALL_DEFINE5(perf_counter_open, if (flags) return -EINVAL; - if (copy_from_user(&attr, attr_uptr, sizeof(attr)) != 0) - return -EFAULT; + ret = perf_copy_attr(attr_uptr, &attr); + if (ret) + return ret; if (!attr.exclude_kernel) { if (perf_paranoid_kernel() && !capable(CAP_SYS_ADMIN)) diff --git a/tools/perf/perf.h b/tools/perf/perf.h index af0a5046d743..87a1aca4a424 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -53,11 +53,12 @@ static inline unsigned long long rdclock(void) _min1 < _min2 ? _min1 : _min2; }) static inline int -sys_perf_counter_open(struct perf_counter_attr *attr_uptr, +sys_perf_counter_open(struct perf_counter_attr *attr, pid_t pid, int cpu, int group_fd, unsigned long flags) { - return syscall(__NR_perf_counter_open, attr_uptr, pid, cpu, + attr->size = sizeof(*attr); + return syscall(__NR_perf_counter_open, attr, pid, cpu, group_fd, flags); } -- cgit v1.2.3 From 20f77f5654042cf484d8964b618faf9d620f639b Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 22:16:33 -0600 Subject: virtio: fix obsolete documentation on probe function Signed-off-by: Rusty Russell --- include/linux/virtio.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'include') diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 06005fa9e982..9410394bbf96 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -99,8 +99,7 @@ void unregister_virtio_device(struct virtio_device *dev); * @id_table: the ids serviced by this driver. * @feature_table: an array of feature numbers supported by this device. * @feature_table_size: number of entries in the feature table array. - * @probe: the function to call when a device is found. Returns a token for - * remove, or PTR_ERR(). + * @probe: the function to call when a device is found. Returns 0 or -errno. * @remove: the function when a device is removed. * @config_changed: optional function to call when the device configuration * changes; may be called in interrupt context. -- cgit v1.2.3 From 9499f5e7ed5224c40706f0cec6542a9916bc7606 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 22:16:35 -0600 Subject: virtio: add names to virtqueue struct, mapping from devices to queues. Add a linked list of all virtqueues for a virtio device: this helps for debugging and is also needed for upcoming interface change. Also, add a "name" field for clearer debug messages. Signed-off-by: Rusty Russell --- drivers/block/virtio_blk.c | 2 +- drivers/char/hw_random/virtio-rng.c | 2 +- drivers/char/virtio_console.c | 4 ++-- drivers/lguest/lguest_device.c | 5 +++-- drivers/net/virtio_net.c | 6 +++--- drivers/s390/kvm/kvm_virtio.c | 7 ++++--- drivers/virtio/virtio.c | 2 ++ drivers/virtio/virtio_balloon.c | 4 ++-- drivers/virtio/virtio_pci.c | 5 +++-- drivers/virtio/virtio_ring.c | 27 ++++++++++++++++++++------- include/linux/virtio.h | 12 ++++++++---- include/linux/virtio_config.h | 6 ++++-- include/linux/virtio_ring.h | 3 ++- net/9p/trans_virtio.c | 2 +- 14 files changed, 56 insertions(+), 31 deletions(-) (limited to 'include') diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index c0facaa55cf4..db55a50d9f6a 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -288,7 +288,7 @@ static int virtblk_probe(struct virtio_device *vdev) sg_init_table(vblk->sg, vblk->sg_elems); /* We expect one virtqueue, for output. */ - vblk->vq = vdev->config->find_vq(vdev, 0, blk_done); + vblk->vq = vdev->config->find_vq(vdev, 0, blk_done, "requests"); if (IS_ERR(vblk->vq)) { err = PTR_ERR(vblk->vq); goto out_free_vblk; diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index 86e83f883139..2aeafcea95fe 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -94,7 +94,7 @@ static int virtrng_probe(struct virtio_device *vdev) int err; /* We expect a single virtqueue. */ - vq = vdev->config->find_vq(vdev, 0, random_recv_done); + vq = vdev->config->find_vq(vdev, 0, random_recv_done, "input"); if (IS_ERR(vq)) return PTR_ERR(vq); diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index ff6f5a4b58fb..58684e4a0814 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -202,13 +202,13 @@ static int __devinit virtcons_probe(struct virtio_device *dev) /* Find the input queue. */ /* FIXME: This is why we want to wean off hvc: we do nothing * when input comes in. */ - in_vq = vdev->config->find_vq(vdev, 0, hvc_handle_input); + in_vq = vdev->config->find_vq(vdev, 0, hvc_handle_input, "input"); if (IS_ERR(in_vq)) { err = PTR_ERR(in_vq); goto free; } - out_vq = vdev->config->find_vq(vdev, 1, NULL); + out_vq = vdev->config->find_vq(vdev, 1, NULL, "output"); if (IS_ERR(out_vq)) { err = PTR_ERR(out_vq); goto free_in_vq; diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c index df44d962626d..4babed899d59 100644 --- a/drivers/lguest/lguest_device.c +++ b/drivers/lguest/lguest_device.c @@ -228,7 +228,8 @@ extern void lguest_setup_irq(unsigned int irq); * function. */ static struct virtqueue *lg_find_vq(struct virtio_device *vdev, unsigned index, - void (*callback)(struct virtqueue *vq)) + void (*callback)(struct virtqueue *vq), + const char *name) { struct lguest_device *ldev = to_lgdev(vdev); struct lguest_vq_info *lvq; @@ -263,7 +264,7 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev, /* OK, tell virtio_ring.c to set up a virtqueue now we know its size * and we've got a pointer to its pages. */ vq = vring_new_virtqueue(lvq->config.num, LGUEST_VRING_ALIGN, - vdev, lvq->pages, lg_notify, callback); + vdev, lvq->pages, lg_notify, callback, name); if (!vq) { err = -ENOMEM; goto unmap; diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 4d1d47953fc6..be3b734ff5a1 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -906,20 +906,20 @@ static int virtnet_probe(struct virtio_device *vdev) vi->mergeable_rx_bufs = true; /* We expect two virtqueues, receive then send. */ - vi->rvq = vdev->config->find_vq(vdev, 0, skb_recv_done); + vi->rvq = vdev->config->find_vq(vdev, 0, skb_recv_done, "input"); if (IS_ERR(vi->rvq)) { err = PTR_ERR(vi->rvq); goto free; } - vi->svq = vdev->config->find_vq(vdev, 1, skb_xmit_done); + vi->svq = vdev->config->find_vq(vdev, 1, skb_xmit_done, "output"); if (IS_ERR(vi->svq)) { err = PTR_ERR(vi->svq); goto free_recv; } if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) { - vi->cvq = vdev->config->find_vq(vdev, 2, NULL); + vi->cvq = vdev->config->find_vq(vdev, 2, NULL, "control"); if (IS_ERR(vi->cvq)) { err = PTR_ERR(vi->svq); goto free_send; diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c index cbc8566fab70..ba8995fbf041 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/kvm/kvm_virtio.c @@ -173,8 +173,9 @@ static void kvm_notify(struct virtqueue *vq) * this device and sets it up. */ static struct virtqueue *kvm_find_vq(struct virtio_device *vdev, - unsigned index, - void (*callback)(struct virtqueue *vq)) + unsigned index, + void (*callback)(struct virtqueue *vq), + const char *name) { struct kvm_device *kdev = to_kvmdev(vdev); struct kvm_vqconfig *config; @@ -194,7 +195,7 @@ static struct virtqueue *kvm_find_vq(struct virtio_device *vdev, vq = vring_new_virtqueue(config->num, KVM_S390_VIRTIO_RING_ALIGN, vdev, (void *) config->address, - kvm_notify, callback); + kvm_notify, callback, name); if (!vq) { err = -ENOMEM; goto unmap; diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 6b6810364860..3f52c767dfe9 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -186,6 +186,8 @@ int register_virtio_device(struct virtio_device *dev) /* Acknowledge that we've seen the device. */ add_status(dev, VIRTIO_CONFIG_S_ACKNOWLEDGE); + INIT_LIST_HEAD(&dev->vqs); + /* device_register() causes the bus infrastructure to look for a * matching driver. */ err = device_register(&dev->dev); diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 9c76a061a04d..0fa73b4d18b0 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -218,13 +218,13 @@ static int virtballoon_probe(struct virtio_device *vdev) vb->vdev = vdev; /* We expect two virtqueues. */ - vb->inflate_vq = vdev->config->find_vq(vdev, 0, balloon_ack); + vb->inflate_vq = vdev->config->find_vq(vdev, 0, balloon_ack, "inflate"); if (IS_ERR(vb->inflate_vq)) { err = PTR_ERR(vb->inflate_vq); goto out_free_vb; } - vb->deflate_vq = vdev->config->find_vq(vdev, 1, balloon_ack); + vb->deflate_vq = vdev->config->find_vq(vdev, 1, balloon_ack, "deflate"); if (IS_ERR(vb->deflate_vq)) { err = PTR_ERR(vb->deflate_vq); goto out_del_inflate_vq; diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 330aacbdec1f..be4047abd5ba 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -208,7 +208,8 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) /* the config->find_vq() implementation */ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, - void (*callback)(struct virtqueue *vq)) + void (*callback)(struct virtqueue *vq), + const char *name) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); struct virtio_pci_vq_info *info; @@ -247,7 +248,7 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, /* create the vring */ vq = vring_new_virtqueue(info->num, VIRTIO_PCI_VRING_ALIGN, - vdev, info->queue, vp_notify, callback); + vdev, info->queue, vp_notify, callback, name); if (!vq) { err = -ENOMEM; goto out_activate_queue; diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 5c52369ab9bb..579fa693d5d0 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -23,21 +23,30 @@ #ifdef DEBUG /* For development, we want to crash whenever the ring is screwed. */ -#define BAD_RING(_vq, fmt...) \ - do { dev_err(&(_vq)->vq.vdev->dev, fmt); BUG(); } while(0) +#define BAD_RING(_vq, fmt, args...) \ + do { \ + dev_err(&(_vq)->vq.vdev->dev, \ + "%s:"fmt, (_vq)->vq.name, ##args); \ + BUG(); \ + } while (0) /* Caller is supposed to guarantee no reentry. */ #define START_USE(_vq) \ do { \ if ((_vq)->in_use) \ - panic("in_use = %i\n", (_vq)->in_use); \ + panic("%s:in_use = %i\n", \ + (_vq)->vq.name, (_vq)->in_use); \ (_vq)->in_use = __LINE__; \ mb(); \ - } while(0) + } while (0) #define END_USE(_vq) \ do { BUG_ON(!(_vq)->in_use); (_vq)->in_use = 0; mb(); } while(0) #else -#define BAD_RING(_vq, fmt...) \ - do { dev_err(&_vq->vq.vdev->dev, fmt); (_vq)->broken = true; } while(0) +#define BAD_RING(_vq, fmt, args...) \ + do { \ + dev_err(&_vq->vq.vdev->dev, \ + "%s:"fmt, (_vq)->vq.name, ##args); \ + (_vq)->broken = true; \ + } while (0) #define START_USE(vq) #define END_USE(vq) #endif @@ -284,7 +293,8 @@ struct virtqueue *vring_new_virtqueue(unsigned int num, struct virtio_device *vdev, void *pages, void (*notify)(struct virtqueue *), - void (*callback)(struct virtqueue *)) + void (*callback)(struct virtqueue *), + const char *name) { struct vring_virtqueue *vq; unsigned int i; @@ -303,10 +313,12 @@ struct virtqueue *vring_new_virtqueue(unsigned int num, vq->vq.callback = callback; vq->vq.vdev = vdev; vq->vq.vq_ops = &vring_vq_ops; + vq->vq.name = name; vq->notify = notify; vq->broken = false; vq->last_used_idx = 0; vq->num_added = 0; + list_add_tail(&vq->vq.list, &vdev->vqs); #ifdef DEBUG vq->in_use = false; #endif @@ -327,6 +339,7 @@ EXPORT_SYMBOL_GPL(vring_new_virtqueue); void vring_del_virtqueue(struct virtqueue *vq) { + list_del(&vq->list); kfree(to_vvq(vq)); } EXPORT_SYMBOL_GPL(vring_del_virtqueue); diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 9410394bbf96..4fca4f5440ba 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -10,14 +10,17 @@ /** * virtqueue - a queue to register buffers for sending or receiving. + * @list: the chain of virtqueues for this device * @callback: the function to call when buffers are consumed (can be NULL). + * @name: the name of this virtqueue (mainly for debugging) * @vdev: the virtio device this queue was created for. * @vq_ops: the operations for this virtqueue (see below). * @priv: a pointer for the virtqueue implementation to use. */ -struct virtqueue -{ +struct virtqueue { + struct list_head list; void (*callback)(struct virtqueue *vq); + const char *name; struct virtio_device *vdev; struct virtqueue_ops *vq_ops; void *priv; @@ -76,15 +79,16 @@ struct virtqueue_ops { * @dev: underlying device. * @id: the device type identification (used to match it with a driver). * @config: the configuration ops for this device. + * @vqs: the list of virtqueues for this device. * @features: the features supported by both driver and device. * @priv: private pointer for the driver's use. */ -struct virtio_device -{ +struct virtio_device { int index; struct device dev; struct virtio_device_id id; struct virtio_config_ops *config; + struct list_head vqs; /* Note that this is a Linux set_bit-style bitmap. */ unsigned long features[1]; void *priv; diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index bf8ec283b232..9fae274751e0 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -55,7 +55,8 @@ * @find_vq: find a virtqueue and instantiate it. * vdev: the virtio_device * index: the 0-based virtqueue number in case there's more than one. - * callback: the virqtueue callback + * callback: the virtqueue callback + * name: the virtqueue name (mainly for debugging) * Returns the new virtqueue or ERR_PTR() (eg. -ENOENT). * @del_vq: free a virtqueue found by find_vq(). * @get_features: get the array of feature bits for this device. @@ -77,7 +78,8 @@ struct virtio_config_ops void (*reset)(struct virtio_device *vdev); struct virtqueue *(*find_vq)(struct virtio_device *vdev, unsigned index, - void (*callback)(struct virtqueue *)); + void (*callback)(struct virtqueue *), + const char *name); void (*del_vq)(struct virtqueue *vq); u32 (*get_features)(struct virtio_device *vdev); void (*finalize_features)(struct virtio_device *vdev); diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h index 71e03722fb59..166c519689de 100644 --- a/include/linux/virtio_ring.h +++ b/include/linux/virtio_ring.h @@ -119,7 +119,8 @@ struct virtqueue *vring_new_virtqueue(unsigned int num, struct virtio_device *vdev, void *pages, void (*notify)(struct virtqueue *vq), - void (*callback)(struct virtqueue *vq)); + void (*callback)(struct virtqueue *vq), + const char *name); void vring_del_virtqueue(struct virtqueue *vq); /* Filter out transport-specific feature bits. */ void vring_transport_features(struct virtio_device *vdev); diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index bb8579a141a8..ab8791f9aba8 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -246,7 +246,7 @@ static int p9_virtio_probe(struct virtio_device *vdev) chan->vdev = vdev; /* We expect one virtqueue, for requests. */ - chan->vq = vdev->config->find_vq(vdev, 0, req_done); + chan->vq = vdev->config->find_vq(vdev, 0, req_done, "requests"); if (IS_ERR(chan->vq)) { err = PTR_ERR(chan->vq); goto out_free_vq; -- cgit v1.2.3 From d2a7ddda9ffb1c8961abff6714b0f1eb925c120f Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Fri, 12 Jun 2009 22:16:36 -0600 Subject: virtio: find_vqs/del_vqs virtio operations This replaces find_vq/del_vq with find_vqs/del_vqs virtio operations, and updates all drivers. This is needed for MSI support, because MSI needs to know the total number of vectors upfront. Signed-off-by: Michael S. Tsirkin Signed-off-by: Rusty Russell (+ lguest/9p compile fixes) --- drivers/block/virtio_blk.c | 6 ++--- drivers/char/hw_random/virtio-rng.c | 6 ++--- drivers/char/virtio_console.c | 26 +++++++++----------- drivers/lguest/lguest_device.c | 36 ++++++++++++++++++++++++++-- drivers/net/virtio_net.c | 45 ++++++++++++++--------------------- drivers/s390/kvm/kvm_virtio.c | 36 ++++++++++++++++++++++++++-- drivers/virtio/virtio_balloon.c | 27 +++++++++------------ drivers/virtio/virtio_pci.c | 37 +++++++++++++++++++++++------ include/linux/virtio_config.h | 47 ++++++++++++++++++++++++++++--------- net/9p/trans_virtio.c | 6 ++--- 10 files changed, 183 insertions(+), 89 deletions(-) (limited to 'include') diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c index db55a50d9f6a..07d8e595e51f 100644 --- a/drivers/block/virtio_blk.c +++ b/drivers/block/virtio_blk.c @@ -288,7 +288,7 @@ static int virtblk_probe(struct virtio_device *vdev) sg_init_table(vblk->sg, vblk->sg_elems); /* We expect one virtqueue, for output. */ - vblk->vq = vdev->config->find_vq(vdev, 0, blk_done, "requests"); + vblk->vq = virtio_find_single_vq(vdev, blk_done, "requests"); if (IS_ERR(vblk->vq)) { err = PTR_ERR(vblk->vq); goto out_free_vblk; @@ -388,7 +388,7 @@ out_put_disk: out_mempool: mempool_destroy(vblk->pool); out_free_vq: - vdev->config->del_vq(vblk->vq); + vdev->config->del_vqs(vdev); out_free_vblk: kfree(vblk); out: @@ -409,7 +409,7 @@ static void virtblk_remove(struct virtio_device *vdev) blk_cleanup_queue(vblk->disk->queue); put_disk(vblk->disk); mempool_destroy(vblk->pool); - vdev->config->del_vq(vblk->vq); + vdev->config->del_vqs(vdev); kfree(vblk); } diff --git a/drivers/char/hw_random/virtio-rng.c b/drivers/char/hw_random/virtio-rng.c index 2aeafcea95fe..f2041fede822 100644 --- a/drivers/char/hw_random/virtio-rng.c +++ b/drivers/char/hw_random/virtio-rng.c @@ -94,13 +94,13 @@ static int virtrng_probe(struct virtio_device *vdev) int err; /* We expect a single virtqueue. */ - vq = vdev->config->find_vq(vdev, 0, random_recv_done, "input"); + vq = virtio_find_single_vq(vdev, random_recv_done, "input"); if (IS_ERR(vq)) return PTR_ERR(vq); err = hwrng_register(&virtio_hwrng); if (err) { - vdev->config->del_vq(vq); + vdev->config->del_vqs(vdev); return err; } @@ -112,7 +112,7 @@ static void virtrng_remove(struct virtio_device *vdev) { vdev->config->reset(vdev); hwrng_unregister(&virtio_hwrng); - vdev->config->del_vq(vq); + vdev->config->del_vqs(vdev); } static struct virtio_device_id id_table[] = { diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 58684e4a0814..c74dacfa6795 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -188,6 +188,9 @@ static void hvc_handle_input(struct virtqueue *vq) * Finally we put our input buffer in the input queue, ready to receive. */ static int __devinit virtcons_probe(struct virtio_device *dev) { + vq_callback_t *callbacks[] = { hvc_handle_input, NULL}; + const char *names[] = { "input", "output" }; + struct virtqueue *vqs[2]; int err; vdev = dev; @@ -199,20 +202,15 @@ static int __devinit virtcons_probe(struct virtio_device *dev) goto fail; } - /* Find the input queue. */ + /* Find the queues. */ /* FIXME: This is why we want to wean off hvc: we do nothing * when input comes in. */ - in_vq = vdev->config->find_vq(vdev, 0, hvc_handle_input, "input"); - if (IS_ERR(in_vq)) { - err = PTR_ERR(in_vq); + err = vdev->config->find_vqs(vdev, 2, vqs, callbacks, names); + if (err) goto free; - } - out_vq = vdev->config->find_vq(vdev, 1, NULL, "output"); - if (IS_ERR(out_vq)) { - err = PTR_ERR(out_vq); - goto free_in_vq; - } + in_vq = vqs[0]; + out_vq = vqs[1]; /* Start using the new console output. */ virtio_cons.get_chars = get_chars; @@ -233,17 +231,15 @@ static int __devinit virtcons_probe(struct virtio_device *dev) hvc = hvc_alloc(0, 0, &virtio_cons, PAGE_SIZE); if (IS_ERR(hvc)) { err = PTR_ERR(hvc); - goto free_out_vq; + goto free_vqs; } /* Register the input buffer the first time. */ add_inbuf(); return 0; -free_out_vq: - vdev->config->del_vq(out_vq); -free_in_vq: - vdev->config->del_vq(in_vq); +free_vqs: + vdev->config->del_vqs(vdev); free: kfree(inbuf); fail: diff --git a/drivers/lguest/lguest_device.c b/drivers/lguest/lguest_device.c index 4babed899d59..e082cdac88b4 100644 --- a/drivers/lguest/lguest_device.c +++ b/drivers/lguest/lguest_device.c @@ -313,6 +313,38 @@ static void lg_del_vq(struct virtqueue *vq) kfree(lvq); } +static void lg_del_vqs(struct virtio_device *vdev) +{ + struct virtqueue *vq, *n; + + list_for_each_entry_safe(vq, n, &vdev->vqs, list) + lg_del_vq(vq); +} + +static int lg_find_vqs(struct virtio_device *vdev, unsigned nvqs, + struct virtqueue *vqs[], + vq_callback_t *callbacks[], + const char *names[]) +{ + struct lguest_device *ldev = to_lgdev(vdev); + int i; + + /* We must have this many virtqueues. */ + if (nvqs > ldev->desc->num_vq) + return -ENOENT; + + for (i = 0; i < nvqs; ++i) { + vqs[i] = lg_find_vq(vdev, i, callbacks[i], names[i]); + if (IS_ERR(vqs[i])) + goto error; + } + return 0; + +error: + lg_del_vqs(vdev); + return PTR_ERR(vqs[i]); +} + /* The ops structure which hooks everything together. */ static struct virtio_config_ops lguest_config_ops = { .get_features = lg_get_features, @@ -322,8 +354,8 @@ static struct virtio_config_ops lguest_config_ops = { .get_status = lg_get_status, .set_status = lg_set_status, .reset = lg_reset, - .find_vq = lg_find_vq, - .del_vq = lg_del_vq, + .find_vqs = lg_find_vqs, + .del_vqs = lg_del_vqs, }; /* The root device for the lguest virtio devices. This makes them appear as diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index be3b734ff5a1..7fa620ddeb21 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -845,6 +845,10 @@ static int virtnet_probe(struct virtio_device *vdev) int err; struct net_device *dev; struct virtnet_info *vi; + struct virtqueue *vqs[3]; + vq_callback_t *callbacks[] = { skb_recv_done, skb_xmit_done, NULL}; + const char *names[] = { "input", "output", "control" }; + int nvqs; /* Allocate ourselves a network device with room for our info */ dev = alloc_etherdev(sizeof(struct virtnet_info)); @@ -905,25 +909,19 @@ static int virtnet_probe(struct virtio_device *vdev) if (virtio_has_feature(vdev, VIRTIO_NET_F_MRG_RXBUF)) vi->mergeable_rx_bufs = true; - /* We expect two virtqueues, receive then send. */ - vi->rvq = vdev->config->find_vq(vdev, 0, skb_recv_done, "input"); - if (IS_ERR(vi->rvq)) { - err = PTR_ERR(vi->rvq); + /* We expect two virtqueues, receive then send, + * and optionally control. */ + nvqs = virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ) ? 3 : 2; + + err = vdev->config->find_vqs(vdev, nvqs, vqs, callbacks, names); + if (err) goto free; - } - vi->svq = vdev->config->find_vq(vdev, 1, skb_xmit_done, "output"); - if (IS_ERR(vi->svq)) { - err = PTR_ERR(vi->svq); - goto free_recv; - } + vi->rvq = vqs[0]; + vi->svq = vqs[1]; if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) { - vi->cvq = vdev->config->find_vq(vdev, 2, NULL, "control"); - if (IS_ERR(vi->cvq)) { - err = PTR_ERR(vi->svq); - goto free_send; - } + vi->cvq = vqs[2]; if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VLAN)) dev->features |= NETIF_F_HW_VLAN_FILTER; @@ -941,7 +939,7 @@ static int virtnet_probe(struct virtio_device *vdev) err = register_netdev(dev); if (err) { pr_debug("virtio_net: registering device failed\n"); - goto free_ctrl; + goto free_vqs; } /* Last of all, set up some receive buffers. */ @@ -962,13 +960,8 @@ static int virtnet_probe(struct virtio_device *vdev) unregister: unregister_netdev(dev); -free_ctrl: - if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) - vdev->config->del_vq(vi->cvq); -free_send: - vdev->config->del_vq(vi->svq); -free_recv: - vdev->config->del_vq(vi->rvq); +free_vqs: + vdev->config->del_vqs(vdev); free: free_netdev(dev); return err; @@ -994,12 +987,10 @@ static void virtnet_remove(struct virtio_device *vdev) BUG_ON(vi->num != 0); - vdev->config->del_vq(vi->svq); - vdev->config->del_vq(vi->rvq); - if (virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) - vdev->config->del_vq(vi->cvq); unregister_netdev(vi->dev); + vdev->config->del_vqs(vi->vdev); + while (vi->pages) __free_pages(get_a_page(vi, GFP_KERNEL), 0); diff --git a/drivers/s390/kvm/kvm_virtio.c b/drivers/s390/kvm/kvm_virtio.c index ba8995fbf041..e38e5d306faf 100644 --- a/drivers/s390/kvm/kvm_virtio.c +++ b/drivers/s390/kvm/kvm_virtio.c @@ -227,6 +227,38 @@ static void kvm_del_vq(struct virtqueue *vq) KVM_S390_VIRTIO_RING_ALIGN)); } +static void kvm_del_vqs(struct virtio_device *vdev) +{ + struct virtqueue *vq, *n; + + list_for_each_entry_safe(vq, n, &vdev->vqs, list) + kvm_del_vq(vq); +} + +static int kvm_find_vqs(struct virtio_device *vdev, unsigned nvqs, + struct virtqueue *vqs[], + vq_callback_t *callbacks[], + const char *names[]) +{ + struct kvm_device *kdev = to_kvmdev(vdev); + int i; + + /* We must have this many virtqueues. */ + if (nvqs > kdev->desc->num_vq) + return -ENOENT; + + for (i = 0; i < nvqs; ++i) { + vqs[i] = kvm_find_vq(vdev, i, callbacks[i], names[i]); + if (IS_ERR(vqs[i])) + goto error; + } + return 0; + +error: + kvm_del_vqs(vdev); + return PTR_ERR(vqs[i]); +} + /* * The config ops structure as defined by virtio config */ @@ -238,8 +270,8 @@ static struct virtio_config_ops kvm_vq_configspace_ops = { .get_status = kvm_get_status, .set_status = kvm_set_status, .reset = kvm_reset, - .find_vq = kvm_find_vq, - .del_vq = kvm_del_vq, + .find_vqs = kvm_find_vqs, + .del_vqs = kvm_del_vqs, }; /* diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index 0fa73b4d18b0..26b278264796 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -204,6 +204,9 @@ static int balloon(void *_vballoon) static int virtballoon_probe(struct virtio_device *vdev) { struct virtio_balloon *vb; + struct virtqueue *vqs[2]; + vq_callback_t *callbacks[] = { balloon_ack, balloon_ack }; + const char *names[] = { "inflate", "deflate" }; int err; vdev->priv = vb = kmalloc(sizeof(*vb), GFP_KERNEL); @@ -218,22 +221,17 @@ static int virtballoon_probe(struct virtio_device *vdev) vb->vdev = vdev; /* We expect two virtqueues. */ - vb->inflate_vq = vdev->config->find_vq(vdev, 0, balloon_ack, "inflate"); - if (IS_ERR(vb->inflate_vq)) { - err = PTR_ERR(vb->inflate_vq); + err = vdev->config->find_vqs(vdev, 2, vqs, callbacks, names); + if (err) goto out_free_vb; - } - vb->deflate_vq = vdev->config->find_vq(vdev, 1, balloon_ack, "deflate"); - if (IS_ERR(vb->deflate_vq)) { - err = PTR_ERR(vb->deflate_vq); - goto out_del_inflate_vq; - } + vb->inflate_vq = vqs[0]; + vb->deflate_vq = vqs[1]; vb->thread = kthread_run(balloon, vb, "vballoon"); if (IS_ERR(vb->thread)) { err = PTR_ERR(vb->thread); - goto out_del_deflate_vq; + goto out_del_vqs; } vb->tell_host_first @@ -241,10 +239,8 @@ static int virtballoon_probe(struct virtio_device *vdev) return 0; -out_del_deflate_vq: - vdev->config->del_vq(vb->deflate_vq); -out_del_inflate_vq: - vdev->config->del_vq(vb->inflate_vq); +out_del_vqs: + vdev->config->del_vqs(vdev); out_free_vb: kfree(vb); out: @@ -264,8 +260,7 @@ static void virtballoon_remove(struct virtio_device *vdev) /* Now we reset the device so we can clean up the queues. */ vdev->config->reset(vdev); - vdev->config->del_vq(vb->deflate_vq); - vdev->config->del_vq(vb->inflate_vq); + vdev->config->del_vqs(vdev); kfree(vb); } diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index be4047abd5ba..027f13fbe493 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -276,11 +276,7 @@ static void vp_del_vq(struct virtqueue *vq) { struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); struct virtio_pci_vq_info *info = vq->priv; - unsigned long flags, size; - - spin_lock_irqsave(&vp_dev->lock, flags); - list_del(&info->node); - spin_unlock_irqrestore(&vp_dev->lock, flags); + unsigned long size; vring_del_virtqueue(vq); @@ -293,14 +289,41 @@ static void vp_del_vq(struct virtqueue *vq) kfree(info); } +static void vp_del_vqs(struct virtio_device *vdev) +{ + struct virtqueue *vq, *n; + + list_for_each_entry_safe(vq, n, &vdev->vqs, list) + vp_del_vq(vq); +} + +static int vp_find_vqs(struct virtio_device *vdev, unsigned nvqs, + struct virtqueue *vqs[], + vq_callback_t *callbacks[], + const char *names[]) +{ + int i; + + for (i = 0; i < nvqs; ++i) { + vqs[i] = vp_find_vq(vdev, i, callbacks[i], names[i]); + if (IS_ERR(vqs[i])) + goto error; + } + return 0; + +error: + vp_del_vqs(vdev); + return PTR_ERR(vqs[i]); +} + static struct virtio_config_ops virtio_pci_config_ops = { .get = vp_get, .set = vp_set, .get_status = vp_get_status, .set_status = vp_set_status, .reset = vp_reset, - .find_vq = vp_find_vq, - .del_vq = vp_del_vq, + .find_vqs = vp_find_vqs, + .del_vqs = vp_del_vqs, .get_features = vp_get_features, .finalize_features = vp_finalize_features, }; diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 9fae274751e0..4cd290c06a88 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -29,6 +29,7 @@ #define VIRTIO_F_NOTIFY_ON_EMPTY 24 #ifdef __KERNEL__ +#include #include /** @@ -49,16 +50,26 @@ * @set_status: write the status byte * vdev: the virtio_device * status: the new status byte + * @request_vqs: request the specified number of virtqueues + * vdev: the virtio_device + * max_vqs: the max number of virtqueues we want + * If supplied, must call before any virtqueues are instantiated. + * To modify the max number of virtqueues after request_vqs has been + * called, call free_vqs and then request_vqs with a new value. + * @free_vqs: cleanup resources allocated by request_vqs + * vdev: the virtio_device + * If supplied, must call after all virtqueues have been deleted. * @reset: reset the device * vdev: the virtio device * After this, status and feature negotiation must be done again - * @find_vq: find a virtqueue and instantiate it. + * @find_vqs: find virtqueues and instantiate them. * vdev: the virtio_device - * index: the 0-based virtqueue number in case there's more than one. - * callback: the virtqueue callback - * name: the virtqueue name (mainly for debugging) - * Returns the new virtqueue or ERR_PTR() (eg. -ENOENT). - * @del_vq: free a virtqueue found by find_vq(). + * nvqs: the number of virtqueues to find + * vqs: on success, includes new virtqueues + * callbacks: array of callbacks, for each virtqueue + * names: array of virtqueue names (mainly for debugging) + * Returns 0 on success or error status + * @del_vqs: free virtqueues found by find_vqs(). * @get_features: get the array of feature bits for this device. * vdev: the virtio_device * Returns the first 32 feature bits (all we currently need). @@ -67,6 +78,7 @@ * This gives the final feature bits for the device: it can change * the dev->feature bits if it wants. */ +typedef void vq_callback_t(struct virtqueue *); struct virtio_config_ops { void (*get)(struct virtio_device *vdev, unsigned offset, @@ -76,11 +88,11 @@ struct virtio_config_ops u8 (*get_status)(struct virtio_device *vdev); void (*set_status)(struct virtio_device *vdev, u8 status); void (*reset)(struct virtio_device *vdev); - struct virtqueue *(*find_vq)(struct virtio_device *vdev, - unsigned index, - void (*callback)(struct virtqueue *), - const char *name); - void (*del_vq)(struct virtqueue *vq); + int (*find_vqs)(struct virtio_device *, unsigned nvqs, + struct virtqueue *vqs[], + vq_callback_t *callbacks[], + const char *names[]); + void (*del_vqs)(struct virtio_device *); u32 (*get_features)(struct virtio_device *vdev); void (*finalize_features)(struct virtio_device *vdev); }; @@ -128,5 +140,18 @@ static inline int virtio_config_buf(struct virtio_device *vdev, vdev->config->get(vdev, offset, buf, len); return 0; } + +static inline +struct virtqueue *virtio_find_single_vq(struct virtio_device *vdev, + vq_callback_t *c, const char *n) +{ + vq_callback_t *callbacks[] = { c }; + const char *names[] = { n }; + struct virtqueue *vq; + int err = vdev->config->find_vqs(vdev, 1, &vq, callbacks, names); + if (err < 0) + return ERR_PTR(err); + return vq; +} #endif /* __KERNEL__ */ #endif /* _LINUX_VIRTIO_CONFIG_H */ diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c index ab8791f9aba8..a49484e67e1d 100644 --- a/net/9p/trans_virtio.c +++ b/net/9p/trans_virtio.c @@ -246,7 +246,7 @@ static int p9_virtio_probe(struct virtio_device *vdev) chan->vdev = vdev; /* We expect one virtqueue, for requests. */ - chan->vq = vdev->config->find_vq(vdev, 0, req_done, "requests"); + chan->vq = virtio_find_single_vq(vdev, req_done, "requests"); if (IS_ERR(chan->vq)) { err = PTR_ERR(chan->vq); goto out_free_vq; @@ -261,7 +261,7 @@ static int p9_virtio_probe(struct virtio_device *vdev) return 0; out_free_vq: - vdev->config->del_vq(chan->vq); + vdev->config->del_vqs(vdev); fail: mutex_lock(&virtio_9p_lock); chan_index--; @@ -332,7 +332,7 @@ static void p9_virtio_remove(struct virtio_device *vdev) BUG_ON(chan->inuse); if (chan->initialized) { - vdev->config->del_vq(chan->vq); + vdev->config->del_vqs(vdev); chan->initialized = false; } } -- cgit v1.2.3 From 82af8ce84ed65d2fb6d8c017d3f2bbbf161061fb Mon Sep 17 00:00:00 2001 From: "Michael S. Tsirkin" Date: Thu, 14 May 2009 13:55:41 +0300 Subject: virtio_pci: optional MSI-X support This implements optional MSI-X support in virtio_pci. MSI-X is used whenever the host supports at least 2 MSI-X vectors: 1 for configuration changes and 1 for virtqueues. Per-virtqueue vectors are allocated if enough vectors available. Signed-off-by: Michael S. Tsirkin Acked-by: Anthony Liguori Signed-off-by: Rusty Russell (+ whitespace, style) --- drivers/virtio/virtio_pci.c | 228 ++++++++++++++++++++++++++++++++++++++++---- include/linux/virtio_pci.h | 10 +- 2 files changed, 218 insertions(+), 20 deletions(-) (limited to 'include') diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index 951e673e50a4..193c8f0e5cc5 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -42,6 +42,26 @@ struct virtio_pci_device /* a list of queues so we can dispatch IRQs */ spinlock_t lock; struct list_head virtqueues; + + /* MSI-X support */ + int msix_enabled; + int intx_enabled; + struct msix_entry *msix_entries; + /* Name strings for interrupts. This size should be enough, + * and I'm too lazy to allocate each name separately. */ + char (*msix_names)[256]; + /* Number of available vectors */ + unsigned msix_vectors; + /* Vectors allocated */ + unsigned msix_used_vectors; +}; + +/* Constants for MSI-X */ +/* Use first vector for configuration changes, second and the rest for + * virtqueues Thus, we need at least 2 vectors for MSI. */ +enum { + VP_MSIX_CONFIG_VECTOR = 0, + VP_MSIX_VQ_VECTOR = 1, }; struct virtio_pci_vq_info @@ -60,6 +80,9 @@ struct virtio_pci_vq_info /* the list node for the virtqueues list */ struct list_head node; + + /* MSI-X vector (or none) */ + unsigned vector; }; /* Qumranet donated their vendor ID for devices 0x1000 thru 0x10FF. */ @@ -109,7 +132,8 @@ static void vp_get(struct virtio_device *vdev, unsigned offset, void *buf, unsigned len) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; + void __iomem *ioaddr = vp_dev->ioaddr + + VIRTIO_PCI_CONFIG(vp_dev) + offset; u8 *ptr = buf; int i; @@ -123,7 +147,8 @@ static void vp_set(struct virtio_device *vdev, unsigned offset, const void *buf, unsigned len) { struct virtio_pci_device *vp_dev = to_vp_device(vdev); - void __iomem *ioaddr = vp_dev->ioaddr + VIRTIO_PCI_CONFIG + offset; + void __iomem *ioaddr = vp_dev->ioaddr + + VIRTIO_PCI_CONFIG(vp_dev) + offset; const u8 *ptr = buf; int i; @@ -221,7 +246,122 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) return vp_vring_interrupt(irq, opaque); } -/* the config->find_vq() implementation */ +static void vp_free_vectors(struct virtio_device *vdev) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + int i; + + if (vp_dev->intx_enabled) { + free_irq(vp_dev->pci_dev->irq, vp_dev); + vp_dev->intx_enabled = 0; + } + + for (i = 0; i < vp_dev->msix_used_vectors; ++i) + free_irq(vp_dev->msix_entries[i].vector, vp_dev); + vp_dev->msix_used_vectors = 0; + + if (vp_dev->msix_enabled) { + /* Disable the vector used for configuration */ + iowrite16(VIRTIO_MSI_NO_VECTOR, + vp_dev->ioaddr + VIRTIO_MSI_CONFIG_VECTOR); + /* Flush the write out to device */ + ioread16(vp_dev->ioaddr + VIRTIO_MSI_CONFIG_VECTOR); + + vp_dev->msix_enabled = 0; + pci_disable_msix(vp_dev->pci_dev); + } +} + +static int vp_enable_msix(struct pci_dev *dev, struct msix_entry *entries, + int *options, int noptions) +{ + int i; + for (i = 0; i < noptions; ++i) + if (!pci_enable_msix(dev, entries, options[i])) + return options[i]; + return -EBUSY; +} + +static int vp_request_vectors(struct virtio_device *vdev, unsigned max_vqs) +{ + struct virtio_pci_device *vp_dev = to_vp_device(vdev); + const char *name = dev_name(&vp_dev->vdev.dev); + unsigned i, v; + int err = -ENOMEM; + /* We want at most one vector per queue and one for config changes. + * Fallback to separate vectors for config and a shared for queues. + * Finally fall back to regular interrupts. */ + int options[] = { max_vqs + 1, 2 }; + int nvectors = max(options[0], options[1]); + + vp_dev->msix_entries = kmalloc(nvectors * sizeof *vp_dev->msix_entries, + GFP_KERNEL); + if (!vp_dev->msix_entries) + goto error_entries; + vp_dev->msix_names = kmalloc(nvectors * sizeof *vp_dev->msix_names, + GFP_KERNEL); + if (!vp_dev->msix_names) + goto error_names; + + for (i = 0; i < nvectors; ++i) + vp_dev->msix_entries[i].entry = i; + + err = vp_enable_msix(vp_dev->pci_dev, vp_dev->msix_entries, + options, ARRAY_SIZE(options)); + if (err < 0) { + /* Can't allocate enough MSI-X vectors, use regular interrupt */ + vp_dev->msix_vectors = 0; + err = request_irq(vp_dev->pci_dev->irq, vp_interrupt, + IRQF_SHARED, name, vp_dev); + if (err) + goto error_irq; + vp_dev->intx_enabled = 1; + } else { + vp_dev->msix_vectors = err; + vp_dev->msix_enabled = 1; + + /* Set the vector used for configuration */ + v = vp_dev->msix_used_vectors; + snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names, + "%s-config", name); + err = request_irq(vp_dev->msix_entries[v].vector, + vp_config_changed, 0, vp_dev->msix_names[v], + vp_dev); + if (err) + goto error_irq; + ++vp_dev->msix_used_vectors; + + iowrite16(v, vp_dev->ioaddr + VIRTIO_MSI_CONFIG_VECTOR); + /* Verify we had enough resources to assign the vector */ + v = ioread16(vp_dev->ioaddr + VIRTIO_MSI_CONFIG_VECTOR); + if (v == VIRTIO_MSI_NO_VECTOR) { + err = -EBUSY; + goto error_irq; + } + } + + if (vp_dev->msix_vectors && vp_dev->msix_vectors != max_vqs + 1) { + /* Shared vector for all VQs */ + v = vp_dev->msix_used_vectors; + snprintf(vp_dev->msix_names[v], sizeof *vp_dev->msix_names, + "%s-virtqueues", name); + err = request_irq(vp_dev->msix_entries[v].vector, + vp_vring_interrupt, 0, vp_dev->msix_names[v], + vp_dev); + if (err) + goto error_irq; + ++vp_dev->msix_used_vectors; + } + return 0; +error_irq: + vp_free_vectors(vdev); + kfree(vp_dev->msix_names); +error_names: + kfree(vp_dev->msix_entries); +error_entries: + return err; +} + static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, void (*callback)(struct virtqueue *vq), const char *name) @@ -230,7 +370,7 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, struct virtio_pci_vq_info *info; struct virtqueue *vq; unsigned long flags, size; - u16 num; + u16 num, vector; int err; /* Select the queue we're interested in */ @@ -249,6 +389,7 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, info->queue_index = index; info->num = num; + info->vector = VIRTIO_MSI_NO_VECTOR; size = PAGE_ALIGN(vring_size(num, VIRTIO_PCI_VRING_ALIGN)); info->queue = alloc_pages_exact(size, GFP_KERNEL|__GFP_ZERO); @@ -272,12 +413,43 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index, vq->priv = info; info->vq = vq; + /* allocate per-vq vector if available and necessary */ + if (callback && vp_dev->msix_used_vectors < vp_dev->msix_vectors) { + vector = vp_dev->msix_used_vectors; + snprintf(vp_dev->msix_names[vector], sizeof *vp_dev->msix_names, + "%s-%s", dev_name(&vp_dev->vdev.dev), name); + err = request_irq(vp_dev->msix_entries[vector].vector, + vring_interrupt, 0, + vp_dev->msix_names[vector], vq); + if (err) + goto out_request_irq; + info->vector = vector; + ++vp_dev->msix_used_vectors; + } else + vector = VP_MSIX_VQ_VECTOR; + + if (callback && vp_dev->msix_enabled) { + iowrite16(vector, vp_dev->ioaddr + VIRTIO_MSI_QUEUE_VECTOR); + vector = ioread16(vp_dev->ioaddr + VIRTIO_MSI_QUEUE_VECTOR); + if (vector == VIRTIO_MSI_NO_VECTOR) { + err = -EBUSY; + goto out_assign; + } + } + spin_lock_irqsave(&vp_dev->lock, flags); list_add(&info->node, &vp_dev->virtqueues); spin_unlock_irqrestore(&vp_dev->lock, flags); return vq; +out_assign: + if (info->vector != VIRTIO_MSI_NO_VECTOR) { + free_irq(vp_dev->msix_entries[info->vector].vector, vq); + --vp_dev->msix_used_vectors; + } +out_request_irq: + vring_del_virtqueue(vq); out_activate_queue: iowrite32(0, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_PFN); free_pages_exact(info->queue, size); @@ -286,17 +458,27 @@ out_info: return ERR_PTR(err); } -/* the config->del_vq() implementation */ static void vp_del_vq(struct virtqueue *vq) { struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev); struct virtio_pci_vq_info *info = vq->priv; unsigned long size; + iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_SEL); + + if (info->vector != VIRTIO_MSI_NO_VECTOR) + free_irq(vp_dev->msix_entries[info->vector].vector, vq); + + if (vp_dev->msix_enabled) { + iowrite16(VIRTIO_MSI_NO_VECTOR, + vp_dev->ioaddr + VIRTIO_MSI_QUEUE_VECTOR); + /* Flush the write out to device */ + ioread8(vp_dev->ioaddr + VIRTIO_PCI_ISR); + } + vring_del_virtqueue(vq); /* Select and deactivate the queue */ - iowrite16(info->queue_index, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_SEL); iowrite32(0, vp_dev->ioaddr + VIRTIO_PCI_QUEUE_PFN); size = PAGE_ALIGN(vring_size(info->num, VIRTIO_PCI_VRING_ALIGN)); @@ -304,30 +486,46 @@ static void vp_del_vq(struct virtqueue *vq) kfree(info); } +/* the config->del_vqs() implementation */ static void vp_del_vqs(struct virtio_device *vdev) { struct virtqueue *vq, *n; list_for_each_entry_safe(vq, n, &vdev->vqs, list) vp_del_vq(vq); + + vp_free_vectors(vdev); } +/* the config->find_vqs() implementation */ static int vp_find_vqs(struct virtio_device *vdev, unsigned nvqs, struct virtqueue *vqs[], vq_callback_t *callbacks[], const char *names[]) { - int i; + int vectors = 0; + int i, err; + + /* How many vectors would we like? */ + for (i = 0; i < nvqs; ++i) + if (callbacks[i]) + ++vectors; + + err = vp_request_vectors(vdev, vectors); + if (err) + goto error_request; for (i = 0; i < nvqs; ++i) { vqs[i] = vp_find_vq(vdev, i, callbacks[i], names[i]); if (IS_ERR(vqs[i])) - goto error; + goto error_find; } return 0; -error: +error_find: vp_del_vqs(vdev); + +error_request: return PTR_ERR(vqs[i]); } @@ -349,7 +547,7 @@ static void virtio_pci_release_dev(struct device *_d) struct virtio_pci_device *vp_dev = to_vp_device(dev); struct pci_dev *pci_dev = vp_dev->pci_dev; - free_irq(pci_dev->irq, vp_dev); + vp_del_vqs(dev); pci_set_drvdata(pci_dev, NULL); pci_iounmap(pci_dev, vp_dev->ioaddr); pci_release_regions(pci_dev); @@ -408,21 +606,13 @@ static int __devinit virtio_pci_probe(struct pci_dev *pci_dev, vp_dev->vdev.id.vendor = pci_dev->subsystem_vendor; vp_dev->vdev.id.device = pci_dev->subsystem_device; - /* register a handler for the queue with the PCI device's interrupt */ - err = request_irq(vp_dev->pci_dev->irq, vp_interrupt, IRQF_SHARED, - dev_name(&vp_dev->vdev.dev), vp_dev); - if (err) - goto out_set_drvdata; - /* finally register the virtio device */ err = register_virtio_device(&vp_dev->vdev); if (err) - goto out_req_irq; + goto out_set_drvdata; return 0; -out_req_irq: - free_irq(pci_dev->irq, vp_dev); out_set_drvdata: pci_set_drvdata(pci_dev, NULL); pci_iounmap(pci_dev, vp_dev->ioaddr); diff --git a/include/linux/virtio_pci.h b/include/linux/virtio_pci.h index cd0fd5d181a6..9a3d7c48c622 100644 --- a/include/linux/virtio_pci.h +++ b/include/linux/virtio_pci.h @@ -47,9 +47,17 @@ /* The bit of the ISR which indicates a device configuration change. */ #define VIRTIO_PCI_ISR_CONFIG 0x2 +/* MSI-X registers: only enabled if MSI-X is enabled. */ +/* A 16-bit vector for configuration changes. */ +#define VIRTIO_MSI_CONFIG_VECTOR 20 +/* A 16-bit vector for selected queue notifications. */ +#define VIRTIO_MSI_QUEUE_VECTOR 22 +/* Vector value used to disable MSI for queue */ +#define VIRTIO_MSI_NO_VECTOR 0xffff + /* The remaining space is defined by each driver as the per-driver * configuration space */ -#define VIRTIO_PCI_CONFIG 20 +#define VIRTIO_PCI_CONFIG(dev) ((dev)->msix_enabled ? 24 : 20) /* Virtio ABI version, this must match exactly */ #define VIRTIO_PCI_ABI_VERSION 0 -- cgit v1.2.3 From ee006b353f1ca8c9a8470b72b462beb011d62e32 Mon Sep 17 00:00:00 2001 From: Mark McLoughlin Date: Mon, 11 May 2009 18:11:44 +0100 Subject: virtio: teach virtio_has_feature() about transport features Drivers don't add transport features to their table, so we shouldn't check these with virtio_check_driver_offered_feature(). We could perhaps add an ->offered_feature() virtio_config_op, but that perhaps that would be overkill for a consitency check like this. Signed-off-by: Mark McLoughlin Signed-off-by: Rusty Russell --- include/linux/virtio_config.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/linux/virtio_config.h b/include/linux/virtio_config.h index 4cd290c06a88..99f514575f6a 100644 --- a/include/linux/virtio_config.h +++ b/include/linux/virtio_config.h @@ -113,7 +113,9 @@ static inline bool virtio_has_feature(const struct virtio_device *vdev, if (__builtin_constant_p(fbit)) BUILD_BUG_ON(fbit >= 32); - virtio_check_driver_offered_feature(vdev, fbit); + if (fbit < VIRTIO_TRANSPORT_F_START) + virtio_check_driver_offered_feature(vdev, fbit); + return test_bit(fbit, vdev->features); } -- cgit v1.2.3 From 9fa29b9df32ba4db055f3977933cd0c1b8fe67cd Mon Sep 17 00:00:00 2001 From: Mark McLoughlin Date: Mon, 11 May 2009 18:11:45 +0100 Subject: virtio: indirect ring entries (VIRTIO_RING_F_INDIRECT_DESC) Add a new feature flag for indirect ring entries. These are ring entries which point to a table of buffer descriptors. The idea here is to increase the ring capacity by allowing a larger effective ring size whereby the ring size dictates the number of requests that may be outstanding, rather than the size of those requests. This should be most effective in the case of block I/O where we can potentially benefit by concurrently dispatching a large number of large requests. Even in the simple case of single segment block requests, this results in a threefold increase in ring capacity. Signed-off-by: Mark McLoughlin Signed-off-by: Rusty Russell --- drivers/virtio/virtio_ring.c | 75 ++++++++++++++++++++++++++++++++++++++++++-- include/linux/virtio_ring.h | 5 +++ 2 files changed, 78 insertions(+), 2 deletions(-) (limited to 'include') diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 579fa693d5d0..a882f2606515 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -61,6 +61,9 @@ struct vring_virtqueue /* Other side has made a mess, don't try any more. */ bool broken; + /* Host supports indirect buffers */ + bool indirect; + /* Number of free buffers */ unsigned int num_free; /* Head of free buffer list. */ @@ -85,6 +88,55 @@ struct vring_virtqueue #define to_vvq(_vq) container_of(_vq, struct vring_virtqueue, vq) +/* Set up an indirect table of descriptors and add it to the queue. */ +static int vring_add_indirect(struct vring_virtqueue *vq, + struct scatterlist sg[], + unsigned int out, + unsigned int in) +{ + struct vring_desc *desc; + unsigned head; + int i; + + desc = kmalloc((out + in) * sizeof(struct vring_desc), GFP_ATOMIC); + if (!desc) + return vq->vring.num; + + /* Transfer entries from the sg list into the indirect page */ + for (i = 0; i < out; i++) { + desc[i].flags = VRING_DESC_F_NEXT; + desc[i].addr = sg_phys(sg); + desc[i].len = sg->length; + desc[i].next = i+1; + sg++; + } + for (; i < (out + in); i++) { + desc[i].flags = VRING_DESC_F_NEXT|VRING_DESC_F_WRITE; + desc[i].addr = sg_phys(sg); + desc[i].len = sg->length; + desc[i].next = i+1; + sg++; + } + + /* Last one doesn't continue. */ + desc[i-1].flags &= ~VRING_DESC_F_NEXT; + desc[i-1].next = 0; + + /* We're about to use a buffer */ + vq->num_free--; + + /* Use a single buffer which doesn't continue */ + head = vq->free_head; + vq->vring.desc[head].flags = VRING_DESC_F_INDIRECT; + vq->vring.desc[head].addr = virt_to_phys(desc); + vq->vring.desc[head].len = i * sizeof(struct vring_desc); + + /* Update free pointer */ + vq->free_head = vq->vring.desc[head].next; + + return head; +} + static int vring_add_buf(struct virtqueue *_vq, struct scatterlist sg[], unsigned int out, @@ -94,12 +146,21 @@ static int vring_add_buf(struct virtqueue *_vq, struct vring_virtqueue *vq = to_vvq(_vq); unsigned int i, avail, head, uninitialized_var(prev); + START_USE(vq); + BUG_ON(data == NULL); + + /* If the host supports indirect descriptor tables, and we have multiple + * buffers, then go indirect. FIXME: tune this threshold */ + if (vq->indirect && (out + in) > 1 && vq->num_free) { + head = vring_add_indirect(vq, sg, out, in); + if (head != vq->vring.num) + goto add_head; + } + BUG_ON(out + in > vq->vring.num); BUG_ON(out + in == 0); - START_USE(vq); - if (vq->num_free < out + in) { pr_debug("Can't add buf len %i - avail = %i\n", out + in, vq->num_free); @@ -136,6 +197,7 @@ static int vring_add_buf(struct virtqueue *_vq, /* Update free pointer */ vq->free_head = i; +add_head: /* Set token. */ vq->data[head] = data; @@ -179,6 +241,11 @@ static void detach_buf(struct vring_virtqueue *vq, unsigned int head) /* Put back on free list: find end */ i = head; + + /* Free the indirect table */ + if (vq->vring.desc[i].flags & VRING_DESC_F_INDIRECT) + kfree(phys_to_virt(vq->vring.desc[i].addr)); + while (vq->vring.desc[i].flags & VRING_DESC_F_NEXT) { i = vq->vring.desc[i].next; vq->num_free++; @@ -323,6 +390,8 @@ struct virtqueue *vring_new_virtqueue(unsigned int num, vq->in_use = false; #endif + vq->indirect = virtio_has_feature(vdev, VIRTIO_RING_F_INDIRECT_DESC); + /* No callback? Tell other side not to bother us. */ if (!callback) vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT; @@ -351,6 +420,8 @@ void vring_transport_features(struct virtio_device *vdev) for (i = VIRTIO_TRANSPORT_F_START; i < VIRTIO_TRANSPORT_F_END; i++) { switch (i) { + case VIRTIO_RING_F_INDIRECT_DESC: + break; default: /* We don't understand this bit. */ clear_bit(i, vdev->features); diff --git a/include/linux/virtio_ring.h b/include/linux/virtio_ring.h index 166c519689de..693e0ec5afa6 100644 --- a/include/linux/virtio_ring.h +++ b/include/linux/virtio_ring.h @@ -14,6 +14,8 @@ #define VRING_DESC_F_NEXT 1 /* This marks a buffer as write-only (otherwise read-only). */ #define VRING_DESC_F_WRITE 2 +/* This means the buffer contains a list of buffer descriptors. */ +#define VRING_DESC_F_INDIRECT 4 /* The Host uses this in used->flags to advise the Guest: don't kick me when * you add a buffer. It's unreliable, so it's simply an optimization. Guest @@ -24,6 +26,9 @@ * optimization. */ #define VRING_AVAIL_F_NO_INTERRUPT 1 +/* We support indirect buffer descriptors */ +#define VIRTIO_RING_F_INDIRECT_DESC 28 + /* Virtio ring descriptors: 16 bytes. These can chain together via "next". */ struct vring_desc { -- cgit v1.2.3 From a32a8813d0173163ba44d8f9556e0d89fdc4fb46 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 22:27:02 -0600 Subject: lguest: improve interrupt handling, speed up stream networking lguest never checked for pending interrupts when enabling interrupts, and things still worked. However, it makes a significant difference to TCP performance, so it's time we fixed it by introducing a pending_irq flag and checking it on irq_restore and irq_enable. These two routines are now too big to patch into the 8/10 bytes patch space, so we drop that code. Note: The high latency on interrupt delivery had a very curious effect: once everything else was optimized, networking without GSO was faster than networking with GSO, since more interrupts were sent and hence a greater chance of one getting through to the Guest! Note2: (Almost) Closing the same loophole for iret doesn't have any measurable effect, so I'm leaving that patch for the moment. Before: 1GB tcpblast Guest->Host: 30.7 seconds 1GB tcpblast Guest->Host (no GSO): 76.0 seconds After: 1GB tcpblast Guest->Host: 6.8 seconds 1GB tcpblast Guest->Host (no GSO): 27.8 seconds Signed-off-by: Rusty Russell --- arch/x86/include/asm/lguest_hcall.h | 1 + arch/x86/lguest/boot.c | 21 +++++++++++++++------ arch/x86/lguest/i386_head.S | 2 -- drivers/lguest/core.c | 7 ++++--- drivers/lguest/hypercalls.c | 4 ++++ drivers/lguest/interrupts_and_traps.c | 16 +++++++++++++--- drivers/lguest/lg.h | 4 ++-- include/linux/lguest.h | 4 ++++ 8 files changed, 43 insertions(+), 16 deletions(-) (limited to 'include') diff --git a/arch/x86/include/asm/lguest_hcall.h b/arch/x86/include/asm/lguest_hcall.h index faae1996487b..f9a9f7811248 100644 --- a/arch/x86/include/asm/lguest_hcall.h +++ b/arch/x86/include/asm/lguest_hcall.h @@ -17,6 +17,7 @@ #define LHCALL_LOAD_TLS 16 #define LHCALL_NOTIFY 17 #define LHCALL_LOAD_GDT_ENTRY 18 +#define LHCALL_SEND_INTERRUPTS 19 #define LGUEST_TRAP_ENTRY 0x1F diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 2392a7a171c2..37b8c1d3e022 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -205,6 +205,12 @@ PV_CALLEE_SAVE_REGS_THUNK(save_fl); static void restore_fl(unsigned long flags) { lguest_data.irq_enabled = flags; + mb(); + /* Null hcall forces interrupt delivery now, if irq_pending is + * set to X86_EFLAGS_IF (ie. an interrupt is pending, and flags + * enables interrupts. */ + if (flags & lguest_data.irq_pending) + kvm_hypercall0(LHCALL_SEND_INTERRUPTS); } PV_CALLEE_SAVE_REGS_THUNK(restore_fl); @@ -219,6 +225,11 @@ PV_CALLEE_SAVE_REGS_THUNK(irq_disable); static void irq_enable(void) { lguest_data.irq_enabled = X86_EFLAGS_IF; + mb(); + /* Null hcall forces interrupt delivery now. */ + if (lguest_data.irq_pending) + kvm_hypercall0(LHCALL_SEND_INTERRUPTS); + } PV_CALLEE_SAVE_REGS_THUNK(irq_enable); @@ -972,10 +983,10 @@ static void lguest_restart(char *reason) * * Our current solution is to allow the paravirt back end to optionally patch * over the indirect calls to replace them with something more efficient. We - * patch the four most commonly called functions: disable interrupts, enable - * interrupts, restore interrupts and save interrupts. We usually have 6 or 10 - * bytes to patch into: the Guest versions of these operations are small enough - * that we can fit comfortably. + * patch two of the simplest of the most commonly called functions: disable + * interrupts and save interrupts. We usually have 6 or 10 bytes to patch + * into: the Guest versions of these operations are small enough that we can + * fit comfortably. * * First we need assembly templates of each of the patchable Guest operations, * and these are in i386_head.S. */ @@ -986,8 +997,6 @@ static const struct lguest_insns const char *start, *end; } lguest_insns[] = { [PARAVIRT_PATCH(pv_irq_ops.irq_disable)] = { lgstart_cli, lgend_cli }, - [PARAVIRT_PATCH(pv_irq_ops.irq_enable)] = { lgstart_sti, lgend_sti }, - [PARAVIRT_PATCH(pv_irq_ops.restore_fl)] = { lgstart_popf, lgend_popf }, [PARAVIRT_PATCH(pv_irq_ops.save_fl)] = { lgstart_pushf, lgend_pushf }, }; diff --git a/arch/x86/lguest/i386_head.S b/arch/x86/lguest/i386_head.S index f79541989471..3e0c5545d59c 100644 --- a/arch/x86/lguest/i386_head.S +++ b/arch/x86/lguest/i386_head.S @@ -46,8 +46,6 @@ ENTRY(lguest_entry) .globl lgstart_##name; .globl lgend_##name LGUEST_PATCH(cli, movl $0, lguest_data+LGUEST_DATA_irq_enabled) -LGUEST_PATCH(sti, movl $X86_EFLAGS_IF, lguest_data+LGUEST_DATA_irq_enabled) -LGUEST_PATCH(popf, movl %eax, lguest_data+LGUEST_DATA_irq_enabled) LGUEST_PATCH(pushf, movl lguest_data+LGUEST_DATA_irq_enabled, %eax) /*:*/ diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index 8ca1def5b142..03fbc88c0023 100644 --- a/drivers/lguest/core.c +++ b/drivers/lguest/core.c @@ -189,6 +189,7 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user) /* We stop running once the Guest is dead. */ while (!cpu->lg->dead) { unsigned int irq; + bool more; /* First we run any hypercalls the Guest wants done. */ if (cpu->hcall) @@ -213,9 +214,9 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user) /* Check if there are any interrupts which can be delivered now: * if so, this sets up the hander to be executed when we next * run the Guest. */ - irq = interrupt_pending(cpu); + irq = interrupt_pending(cpu, &more); if (irq < LGUEST_IRQS) - try_deliver_interrupt(cpu, irq); + try_deliver_interrupt(cpu, irq, more); /* All long-lived kernel loops need to check with this horrible * thing called the freezer. If the Host is trying to suspend, @@ -233,7 +234,7 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user) set_current_state(TASK_INTERRUPTIBLE); /* Just before we sleep, make sure nothing snuck in * which we should be doing. */ - if (interrupt_pending(cpu) < LGUEST_IRQS + if (interrupt_pending(cpu, &more) < LGUEST_IRQS || cpu->break_out) set_current_state(TASK_RUNNING); else diff --git a/drivers/lguest/hypercalls.c b/drivers/lguest/hypercalls.c index 54d66f05fefa..f252b71ae79e 100644 --- a/drivers/lguest/hypercalls.c +++ b/drivers/lguest/hypercalls.c @@ -37,6 +37,10 @@ static void do_hcall(struct lg_cpu *cpu, struct hcall_args *args) /* This call does nothing, except by breaking out of the Guest * it makes us process all the asynchronous hypercalls. */ break; + case LHCALL_SEND_INTERRUPTS: + /* This call does nothing too, but by breaking out of the Guest + * it makes us process any pending interrupts. */ + break; case LHCALL_LGUEST_INIT: /* You can't get here unless you're already initialized. Don't * do that. */ diff --git a/drivers/lguest/interrupts_and_traps.c b/drivers/lguest/interrupts_and_traps.c index a8c966fee1e4..5a10754b4790 100644 --- a/drivers/lguest/interrupts_and_traps.c +++ b/drivers/lguest/interrupts_and_traps.c @@ -131,7 +131,7 @@ static void set_guest_interrupt(struct lg_cpu *cpu, u32 lo, u32 hi, * interrupt_pending() returns the first pending interrupt which isn't blocked * by the Guest. It is called before every entry to the Guest, and just before * we go to sleep when the Guest has halted itself. */ -unsigned int interrupt_pending(struct lg_cpu *cpu) +unsigned int interrupt_pending(struct lg_cpu *cpu, bool *more) { unsigned int irq; DECLARE_BITMAP(blk, LGUEST_IRQS); @@ -149,13 +149,14 @@ unsigned int interrupt_pending(struct lg_cpu *cpu) /* Find the first interrupt. */ irq = find_first_bit(blk, LGUEST_IRQS); + *more = find_next_bit(blk, LGUEST_IRQS, irq+1); return irq; } /* This actually diverts the Guest to running an interrupt handler, once an * interrupt has been identified by interrupt_pending(). */ -void try_deliver_interrupt(struct lg_cpu *cpu, unsigned int irq) +void try_deliver_interrupt(struct lg_cpu *cpu, unsigned int irq, bool more) { struct desc_struct *idt; @@ -178,8 +179,12 @@ void try_deliver_interrupt(struct lg_cpu *cpu, unsigned int irq) u32 irq_enabled; if (get_user(irq_enabled, &cpu->lg->lguest_data->irq_enabled)) irq_enabled = 0; - if (!irq_enabled) + if (!irq_enabled) { + /* Make sure they know an IRQ is pending. */ + put_user(X86_EFLAGS_IF, + &cpu->lg->lguest_data->irq_pending); return; + } } /* Look at the IDT entry the Guest gave us for this interrupt. The @@ -202,6 +207,11 @@ void try_deliver_interrupt(struct lg_cpu *cpu, unsigned int irq) * here is a compromise which means at least it gets updated every * timer interrupt. */ write_timestamp(cpu); + + /* If there are no other interrupts we want to deliver, clear + * the pending flag. */ + if (!more) + put_user(0, &cpu->lg->lguest_data->irq_pending); } /*:*/ diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index 6743cf147d97..573896533ac9 100644 --- a/drivers/lguest/lg.h +++ b/drivers/lguest/lg.h @@ -139,8 +139,8 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user); #define pgd_pfn(x) (pgd_val(x) >> PAGE_SHIFT) /* interrupts_and_traps.c: */ -unsigned int interrupt_pending(struct lg_cpu *cpu); -void try_deliver_interrupt(struct lg_cpu *cpu, unsigned int irq); +unsigned int interrupt_pending(struct lg_cpu *cpu, bool *more); +void try_deliver_interrupt(struct lg_cpu *cpu, unsigned int irq, bool more); bool deliver_trap(struct lg_cpu *cpu, unsigned int num); void load_guest_idt_entry(struct lg_cpu *cpu, unsigned int i, u32 low, u32 hi); diff --git a/include/linux/lguest.h b/include/linux/lguest.h index 175e63f4a8c0..7bc1440fc473 100644 --- a/include/linux/lguest.h +++ b/include/linux/lguest.h @@ -30,6 +30,10 @@ struct lguest_data /* Wallclock time set by the Host. */ struct timespec time; + /* Interrupt pending set by the Host. The Guest should do a hypercall + * if it re-enables interrupts and sees this set (to X86_EFLAGS_IF). */ + int irq_pending; + /* Async hypercall ring. Instead of directly making hypercalls, we can * place them in here for processing the next time the Host wants. * This batching can be quite efficient. */ -- cgit v1.2.3 From df60aeef4f4fe0645d9a195a7689005520422de5 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 22:27:09 -0600 Subject: lguest: use eventfds for device notification Currently, when a Guest wants to perform I/O it calls LHCALL_NOTIFY with an address: the main Launcher process returns with this address, and figures out what device to run. A far nicer model is to let processes bind an eventfd to an address: if we find one, we simply signal the eventfd. Signed-off-by: Rusty Russell Cc: Davide Libenzi --- drivers/lguest/Kconfig | 2 +- drivers/lguest/core.c | 8 ++-- drivers/lguest/lg.h | 13 ++++++ drivers/lguest/lguest_user.c | 98 ++++++++++++++++++++++++++++++++++++++++- include/linux/lguest_launcher.h | 1 + 5 files changed, 116 insertions(+), 6 deletions(-) (limited to 'include') diff --git a/drivers/lguest/Kconfig b/drivers/lguest/Kconfig index 8f63845db830..0aaa0597a622 100644 --- a/drivers/lguest/Kconfig +++ b/drivers/lguest/Kconfig @@ -1,6 +1,6 @@ config LGUEST tristate "Linux hypervisor example code" - depends on X86_32 && EXPERIMENTAL && FUTEX + depends on X86_32 && EXPERIMENTAL && EVENTFD select HVC_DRIVER ---help--- This is a very simple module which allows you to run diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index d0298dc45d97..508569c9571a 100644 --- a/drivers/lguest/core.c +++ b/drivers/lguest/core.c @@ -198,9 +198,11 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user) /* It's possible the Guest did a NOTIFY hypercall to the * Launcher, in which case we return from the read() now. */ if (cpu->pending_notify) { - if (put_user(cpu->pending_notify, user)) - return -EFAULT; - return sizeof(cpu->pending_notify); + if (!send_notify_to_eventfd(cpu)) { + if (put_user(cpu->pending_notify, user)) + return -EFAULT; + return sizeof(cpu->pending_notify); + } } /* Check for signals */ diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index 040cb70780e7..32fefdc6ad3e 100644 --- a/drivers/lguest/lg.h +++ b/drivers/lguest/lg.h @@ -82,6 +82,16 @@ struct lg_cpu { struct lg_cpu_arch arch; }; +struct lg_eventfd { + unsigned long addr; + struct file *event; +}; + +struct lg_eventfd_map { + unsigned int num; + struct lg_eventfd map[]; +}; + /* The private info the thread maintains about the guest. */ struct lguest { @@ -102,6 +112,8 @@ struct lguest unsigned int stack_pages; u32 tsc_khz; + struct lg_eventfd_map *eventfds; + /* Dead? */ const char *dead; }; @@ -154,6 +166,7 @@ void setup_default_idt_entries(struct lguest_ro_state *state, void copy_traps(const struct lg_cpu *cpu, struct desc_struct *idt, const unsigned long *def); void guest_set_clockevent(struct lg_cpu *cpu, unsigned long delta); +bool send_notify_to_eventfd(struct lg_cpu *cpu); void init_clockdev(struct lg_cpu *cpu); bool check_syscall_vector(struct lguest *lg); int init_interrupts(void); diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c index 1982b45bd935..f6bf255f1837 100644 --- a/drivers/lguest/lguest_user.c +++ b/drivers/lguest/lguest_user.c @@ -7,6 +7,8 @@ #include #include #include +#include +#include #include "lg.h" /*L:055 When something happens, the Waker process needs a way to stop the @@ -35,6 +37,81 @@ static int break_guest_out(struct lg_cpu *cpu, const unsigned long __user*input) } } +bool send_notify_to_eventfd(struct lg_cpu *cpu) +{ + unsigned int i; + struct lg_eventfd_map *map; + + /* lg->eventfds is RCU-protected */ + rcu_read_lock(); + map = rcu_dereference(cpu->lg->eventfds); + for (i = 0; i < map->num; i++) { + if (map->map[i].addr == cpu->pending_notify) { + eventfd_signal(map->map[i].event, 1); + cpu->pending_notify = 0; + break; + } + } + rcu_read_unlock(); + return cpu->pending_notify == 0; +} + +static int add_eventfd(struct lguest *lg, unsigned long addr, int fd) +{ + struct lg_eventfd_map *new, *old = lg->eventfds; + + if (!addr) + return -EINVAL; + + /* Replace the old array with the new one, carefully: others can + * be accessing it at the same time */ + new = kmalloc(sizeof(*new) + sizeof(new->map[0]) * (old->num + 1), + GFP_KERNEL); + if (!new) + return -ENOMEM; + + /* First make identical copy. */ + memcpy(new->map, old->map, sizeof(old->map[0]) * old->num); + new->num = old->num; + + /* Now append new entry. */ + new->map[new->num].addr = addr; + new->map[new->num].event = eventfd_fget(fd); + if (IS_ERR(new->map[new->num].event)) { + kfree(new); + return PTR_ERR(new->map[new->num].event); + } + new->num++; + + /* Now put new one in place. */ + rcu_assign_pointer(lg->eventfds, new); + + /* We're not in a big hurry. Wait until noone's looking at old + * version, then delete it. */ + synchronize_rcu(); + kfree(old); + + return 0; +} + +static int attach_eventfd(struct lguest *lg, const unsigned long __user *input) +{ + unsigned long addr, fd; + int err; + + if (get_user(addr, input) != 0) + return -EFAULT; + input++; + if (get_user(fd, input) != 0) + return -EFAULT; + + mutex_lock(&lguest_lock); + err = add_eventfd(lg, addr, fd); + mutex_unlock(&lguest_lock); + + return 0; +} + /*L:050 Sending an interrupt is done by writing LHREQ_IRQ and an interrupt * number to /dev/lguest. */ static int user_send_irq(struct lg_cpu *cpu, const unsigned long __user *input) @@ -184,6 +261,13 @@ static int initialize(struct file *file, const unsigned long __user *input) goto unlock; } + lg->eventfds = kmalloc(sizeof(*lg->eventfds), GFP_KERNEL); + if (!lg->eventfds) { + err = -ENOMEM; + goto free_lg; + } + lg->eventfds->num = 0; + /* Populate the easy fields of our "struct lguest" */ lg->mem_base = (void __user *)args[0]; lg->pfn_limit = args[1]; @@ -191,7 +275,7 @@ static int initialize(struct file *file, const unsigned long __user *input) /* This is the first cpu (cpu 0) and it will start booting at args[2] */ err = lg_cpu_start(&lg->cpus[0], 0, args[2]); if (err) - goto release_guest; + goto free_eventfds; /* Initialize the Guest's shadow page tables, using the toplevel * address the Launcher gave us. This allocates memory, so can fail. */ @@ -210,7 +294,9 @@ static int initialize(struct file *file, const unsigned long __user *input) free_regs: /* FIXME: This should be in free_vcpu */ free_page(lg->cpus[0].regs_page); -release_guest: +free_eventfds: + kfree(lg->eventfds); +free_lg: kfree(lg); unlock: mutex_unlock(&lguest_lock); @@ -260,6 +346,8 @@ static ssize_t write(struct file *file, const char __user *in, return user_send_irq(cpu, input); case LHREQ_BREAK: return break_guest_out(cpu, input); + case LHREQ_EVENTFD: + return attach_eventfd(lg, input); default: return -EINVAL; } @@ -297,6 +385,12 @@ static int close(struct inode *inode, struct file *file) * the Launcher's memory management structure. */ mmput(lg->cpus[i].mm); } + + /* Release any eventfds they registered. */ + for (i = 0; i < lg->eventfds->num; i++) + fput(lg->eventfds->map[i].event); + kfree(lg->eventfds); + /* If lg->dead doesn't contain an error code it will be NULL or a * kmalloc()ed string, either of which is ok to hand to kfree(). */ if (!IS_ERR(lg->dead)) diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h index a53407a4165c..9de964b90586 100644 --- a/include/linux/lguest_launcher.h +++ b/include/linux/lguest_launcher.h @@ -58,6 +58,7 @@ enum lguest_req LHREQ_GETDMA, /* No longer used */ LHREQ_IRQ, /* + irq */ LHREQ_BREAK, /* + on/off flag (on blocks until someone does off) */ + LHREQ_EVENTFD, /* + address, fd. */ }; /* The alignment to use between consumer and producer parts of vring. -- cgit v1.2.3 From 5dac051bc6030963181b69faddd9e0ad04f85fa8 Mon Sep 17 00:00:00 2001 From: Rusty Russell Date: Fri, 12 Jun 2009 22:27:10 -0600 Subject: lguest: remove obsolete LHREQ_BREAK call We no longer need an efficient mechanism to force the Guest back into host userspace, as each device is serviced without bothering the main Guest process (aka. the Launcher). Signed-off-by: Rusty Russell --- drivers/lguest/core.c | 11 +++-------- drivers/lguest/lg.h | 4 +--- drivers/lguest/lguest_user.c | 31 ------------------------------- include/linux/lguest_launcher.h | 2 +- 4 files changed, 5 insertions(+), 43 deletions(-) (limited to 'include') diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index 508569c9571a..a6974e9b8ebf 100644 --- a/drivers/lguest/core.c +++ b/drivers/lguest/core.c @@ -209,10 +209,6 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user) if (signal_pending(current)) return -ERESTARTSYS; - /* If Waker set break_out, return to Launcher. */ - if (cpu->break_out) - return -EAGAIN; - /* Check if there are any interrupts which can be delivered now: * if so, this sets up the hander to be executed when we next * run the Guest. */ @@ -231,13 +227,12 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user) break; /* If the Guest asked to be stopped, we sleep. The Guest's - * clock timer or LHREQ_BREAK from the Waker will wake us. */ + * clock timer will wake us. */ if (cpu->halted) { set_current_state(TASK_INTERRUPTIBLE); - /* Just before we sleep, make sure nothing snuck in + /* Just before we sleep, make sure no interrupt snuck in * which we should be doing. */ - if (interrupt_pending(cpu, &more) < LGUEST_IRQS - || cpu->break_out) + if (interrupt_pending(cpu, &more) < LGUEST_IRQS) set_current_state(TASK_RUNNING); else schedule(); diff --git a/drivers/lguest/lg.h b/drivers/lguest/lg.h index 32fefdc6ad3e..d4e8979735cb 100644 --- a/drivers/lguest/lg.h +++ b/drivers/lguest/lg.h @@ -71,9 +71,7 @@ struct lg_cpu { /* Virtual clock device */ struct hrtimer hrt; - /* Do we need to stop what we're doing and return to userspace? */ - int break_out; - wait_queue_head_t break_wq; + /* Did the Guest tell us to halt? */ int halted; /* Pending virtual interrupts */ diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c index f6bf255f1837..32e297121058 100644 --- a/drivers/lguest/lguest_user.c +++ b/drivers/lguest/lguest_user.c @@ -11,32 +11,6 @@ #include #include "lg.h" -/*L:055 When something happens, the Waker process needs a way to stop the - * kernel running the Guest and return to the Launcher. So the Waker writes - * LHREQ_BREAK and the value "1" to /dev/lguest to do this. Once the Launcher - * has done whatever needs attention, it writes LHREQ_BREAK and "0" to release - * the Waker. */ -static int break_guest_out(struct lg_cpu *cpu, const unsigned long __user*input) -{ - unsigned long on; - - /* Fetch whether they're turning break on or off. */ - if (get_user(on, input) != 0) - return -EFAULT; - - if (on) { - cpu->break_out = 1; - if (!wake_up_process(cpu->tsk)) - kick_process(cpu->tsk); - /* Wait for them to reset it */ - return wait_event_interruptible(cpu->break_wq, !cpu->break_out); - } else { - cpu->break_out = 0; - wake_up(&cpu->break_wq); - return 0; - } -} - bool send_notify_to_eventfd(struct lg_cpu *cpu) { unsigned int i; @@ -202,9 +176,6 @@ static int lg_cpu_start(struct lg_cpu *cpu, unsigned id, unsigned long start_ip) * address. */ lguest_arch_setup_regs(cpu, start_ip); - /* Initialize the queue for the Waker to wait on */ - init_waitqueue_head(&cpu->break_wq); - /* We keep a pointer to the Launcher task (ie. current task) for when * other Guests want to wake this one (eg. console input). */ cpu->tsk = current; @@ -344,8 +315,6 @@ static ssize_t write(struct file *file, const char __user *in, return initialize(file, input); case LHREQ_IRQ: return user_send_irq(cpu, input); - case LHREQ_BREAK: - return break_guest_out(cpu, input); case LHREQ_EVENTFD: return attach_eventfd(lg, input); default: diff --git a/include/linux/lguest_launcher.h b/include/linux/lguest_launcher.h index 9de964b90586..bfefbdf7498a 100644 --- a/include/linux/lguest_launcher.h +++ b/include/linux/lguest_launcher.h @@ -57,7 +57,7 @@ enum lguest_req LHREQ_INITIALIZE, /* + base, pfnlimit, start */ LHREQ_GETDMA, /* No longer used */ LHREQ_IRQ, /* + irq */ - LHREQ_BREAK, /* + on/off flag (on blocks until someone does off) */ + LHREQ_BREAK, /* No longer used */ LHREQ_EVENTFD, /* + address, fd. */ }; -- cgit v1.2.3 From 7e85ee0c1d15ca5f8bff0f514f158eba1742dd87 Mon Sep 17 00:00:00 2001 From: Pekka Enberg Date: Fri, 12 Jun 2009 14:03:06 +0300 Subject: slab,slub: don't enable interrupts during early boot As explained by Benjamin Herrenschmidt: Oh and btw, your patch alone doesn't fix powerpc, because it's missing a whole bunch of GFP_KERNEL's in the arch code... You would have to grep the entire kernel for things that check slab_is_available() and even then you'll be missing some. For example, slab_is_available() didn't always exist, and so in the early days on powerpc, we used a mem_init_done global that is set form mem_init() (not perfect but works in practice). And we still have code using that to do the test. Therefore, mask out __GFP_WAIT, __GFP_IO, and __GFP_FS in the slab allocators in early boot code to avoid enabling interrupts. Signed-off-by: Pekka Enberg --- include/linux/gfp.h | 3 +++ include/linux/slab.h | 2 ++ include/linux/slob_def.h | 5 +++++ include/linux/slub_def.h | 2 ++ init/main.c | 1 + mm/slab.c | 18 ++++++++++++++++++ mm/slub.c | 16 ++++++++++++++++ 7 files changed, 47 insertions(+) (limited to 'include') diff --git a/include/linux/gfp.h b/include/linux/gfp.h index 0bbc15f54536..3760e7c5de02 100644 --- a/include/linux/gfp.h +++ b/include/linux/gfp.h @@ -85,6 +85,9 @@ struct vm_area_struct; __GFP_NOWARN|__GFP_REPEAT|__GFP_NOFAIL|\ __GFP_NORETRY|__GFP_NOMEMALLOC) +/* Control slab gfp mask during early boot */ +#define SLAB_GFP_BOOT_MASK __GFP_BITS_MASK & ~(__GFP_WAIT|__GFP_IO|__GFP_FS) + /* Control allocation constraints */ #define GFP_CONSTRAINT_MASK (__GFP_HARDWALL|__GFP_THISNODE) diff --git a/include/linux/slab.h b/include/linux/slab.h index 48803064cedf..219b8fb4651d 100644 --- a/include/linux/slab.h +++ b/include/linux/slab.h @@ -319,4 +319,6 @@ static inline void *kzalloc_node(size_t size, gfp_t flags, int node) return kmalloc_node(size, flags | __GFP_ZERO, node); } +void __init kmem_cache_init_late(void); + #endif /* _LINUX_SLAB_H */ diff --git a/include/linux/slob_def.h b/include/linux/slob_def.h index 0ec00b39d006..bb5368df4be8 100644 --- a/include/linux/slob_def.h +++ b/include/linux/slob_def.h @@ -34,4 +34,9 @@ static __always_inline void *__kmalloc(size_t size, gfp_t flags) return kmalloc(size, flags); } +static inline void kmem_cache_init_late(void) +{ + /* Nothing to do */ +} + #endif /* __LINUX_SLOB_DEF_H */ diff --git a/include/linux/slub_def.h b/include/linux/slub_def.h index be5d40c43bd2..4dcbc2c71491 100644 --- a/include/linux/slub_def.h +++ b/include/linux/slub_def.h @@ -302,4 +302,6 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node) } #endif +void __init kmem_cache_init_late(void); + #endif /* _LINUX_SLUB_DEF_H */ diff --git a/init/main.c b/init/main.c index b3e8f14c568a..f6204f712e7c 100644 --- a/init/main.c +++ b/init/main.c @@ -640,6 +640,7 @@ asmlinkage void __init start_kernel(void) "enabled early\n"); early_boot_irqs_on(); local_irq_enable(); + kmem_cache_init_late(); /* * HACK ALERT! This is early. We're enabling the console before diff --git a/mm/slab.c b/mm/slab.c index cd76964b53bc..453efcb1c980 100644 --- a/mm/slab.c +++ b/mm/slab.c @@ -303,6 +303,12 @@ struct kmem_list3 { int free_touched; /* updated without locking */ }; +/* + * The slab allocator is initialized with interrupts disabled. Therefore, make + * sure early boot allocations don't accidentally enable interrupts. + */ +static gfp_t slab_gfp_mask __read_mostly = SLAB_GFP_BOOT_MASK; + /* * Need this for bootstrapping a per node allocator. */ @@ -1654,6 +1660,14 @@ void __init kmem_cache_init(void) */ } +void __init kmem_cache_init_late(void) +{ + /* + * Interrupts are enabled now so all GFP allocations are safe. + */ + slab_gfp_mask = __GFP_BITS_MASK; +} + static int __init cpucache_init(void) { int cpu; @@ -3354,6 +3368,8 @@ __cache_alloc_node(struct kmem_cache *cachep, gfp_t flags, int nodeid, unsigned long save_flags; void *ptr; + flags &= slab_gfp_mask; + lockdep_trace_alloc(flags); if (slab_should_failslab(cachep, flags)) @@ -3434,6 +3450,8 @@ __cache_alloc(struct kmem_cache *cachep, gfp_t flags, void *caller) unsigned long save_flags; void *objp; + flags &= slab_gfp_mask; + lockdep_trace_alloc(flags); if (slab_should_failslab(cachep, flags)) diff --git a/mm/slub.c b/mm/slub.c index 3964d3ce4c15..30354bfeb43d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -178,6 +178,12 @@ static enum { SYSFS /* Sysfs up */ } slab_state = DOWN; +/* + * The slab allocator is initialized with interrupts disabled. Therefore, make + * sure early boot allocations don't accidentally enable interrupts. + */ +static gfp_t slab_gfp_mask __read_mostly = SLAB_GFP_BOOT_MASK; + /* A list of all slab caches on the system */ static DECLARE_RWSEM(slub_lock); static LIST_HEAD(slab_caches); @@ -1595,6 +1601,8 @@ static __always_inline void *slab_alloc(struct kmem_cache *s, unsigned long flags; unsigned int objsize; + gfpflags &= slab_gfp_mask; + lockdep_trace_alloc(gfpflags); might_sleep_if(gfpflags & __GFP_WAIT); @@ -3104,6 +3112,14 @@ void __init kmem_cache_init(void) nr_cpu_ids, nr_node_ids); } +void __init kmem_cache_init_late(void) +{ + /* + * Interrupts are enabled now so all GFP allocations are safe. + */ + slab_gfp_mask = __GFP_BITS_MASK; +} + /* * Find a mergeable slab cache */ -- cgit v1.2.3 From 7ea2ac9b6632038377cb488c7d1cb60b88164d4d Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Tue, 14 Apr 2009 23:14:17 -0300 Subject: Trivial: fix typo s/balence/balance/ Signed-off-by: Thadeu Lima de Souza Cascardo Signed-off-by: Jiri Kosina --- include/linux/ultrasound.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'include') diff --git a/include/linux/ultrasound.h b/include/linux/ultrasound.h index 6b7703e75cec..71339dc531c5 100644 --- a/include/linux/ultrasound.h +++ b/include/linux/ultrasound.h @@ -34,7 +34,7 @@ * _GUS_VOICEOFF - Stops voice (no parameters) * _GUS_VOICEFADE - Stops the voice smoothly. * _GUS_VOICEMODE - Alters the voice mode, don't start or stop voice (P1=voice mode) - * _GUS_VOICEBALA - Sets voice balence (P1, 0=left, 7=middle and 15=right, default 7) + * _GUS_VOICEBALA - Sets voice balance (P1, 0=left, 7=middle and 15=right, default 7) * _GUS_VOICEFREQ - Sets voice (sample) playback frequency (P1=Hz) * _GUS_VOICEVOL - Sets voice volume (P1=volume, 0xfff=max, 0xeff=half, 0x000=off) * _GUS_VOICEVOL2 - Sets voice volume (P1=volume, 0xfff=max, 0xeff=half, 0x000=off) -- cgit v1.2.3 From 638772c7553f6893f7b346bfee4d46851af59afc Mon Sep 17 00:00:00 2001 From: Lennert Buytenhek Date: Wed, 11 Feb 2009 17:25:24 +0800 Subject: fb: add support of LCD display controller on pxa168/910 (base layer) This driver is originally written by Lennert, modified by Green to be feature complete, and ported by Jun Nie and Kevin Liu for pxa168/910 processors. The patch adds support for the on-chip LCD display controller, it currently supports the base (graphics) layer only. Signed-off-by: Lennert Buytenhek Signed-off-by: Green Wan Cc: Peter Liao Signed-off-by: Jun Nie Signed-off-by: Kevin Liu Acked-by: Krzysztof Helt Signed-off-by: Eric Miao --- drivers/video/Kconfig | 10 + drivers/video/Makefile | 1 + drivers/video/pxa168fb.c | 803 +++++++++++++++++++++++++++++++++++++++++++++++ drivers/video/pxa168fb.h | 558 ++++++++++++++++++++++++++++++++ include/video/pxa168fb.h | 127 ++++++++ 5 files changed, 1499 insertions(+) create mode 100644 drivers/video/pxa168fb.c create mode 100644 drivers/video/pxa168fb.h create mode 100644 include/video/pxa168fb.h (limited to 'include') diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 0048f1185a60..13fd66a1f102 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -1759,6 +1759,16 @@ config FB_68328 Say Y here if you want to support the built-in frame buffer of the Motorola 68328 CPU family. +config FB_PXA168 + tristate "PXA168/910 LCD framebuffer support" + depends on FB && (CPU_PXA168 || CPU_PXA910) + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + ---help--- + Frame buffer driver for the built-in LCD controller in the Marvell + MMP processor. + config FB_PXA tristate "PXA LCD framebuffer support" depends on FB && ARCH_PXA diff --git a/drivers/video/Makefile b/drivers/video/Makefile index d8d0be5151e3..01a819f47371 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -97,6 +97,7 @@ obj-$(CONFIG_FB_GBE) += gbefb.o obj-$(CONFIG_FB_CIRRUS) += cirrusfb.o obj-$(CONFIG_FB_ASILIANT) += asiliantfb.o obj-$(CONFIG_FB_PXA) += pxafb.o +obj-$(CONFIG_FB_PXA168) += pxa168fb.o obj-$(CONFIG_FB_W100) += w100fb.o obj-$(CONFIG_FB_TMIO) += tmiofb.o obj-$(CONFIG_FB_AU1100) += au1100fb.o diff --git a/drivers/video/pxa168fb.c b/drivers/video/pxa168fb.c new file mode 100644 index 000000000000..84d8327e47db --- /dev/null +++ b/drivers/video/pxa168fb.c @@ -0,0 +1,803 @@ +/* + * linux/drivers/video/pxa168fb.c -- Marvell PXA168 LCD Controller + * + * Copyright (C) 2008 Marvell International Ltd. + * All rights reserved. + * + * 2009-02-16 adapted from original version for PXA168/910 + * Jun Nie + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive for + * more details. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include