diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/ethernet/sfc/Kconfig | 7 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/Makefile | 2 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/mcdi.c | 43 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/mcdi.h | 28 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/mcdi_mon.c | 415 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/nic.h | 14 | ||||
-rw-r--r-- | drivers/net/ethernet/sfc/siena.c | 6 |
7 files changed, 471 insertions, 44 deletions
diff --git a/drivers/net/ethernet/sfc/Kconfig b/drivers/net/ethernet/sfc/Kconfig index 5d18841f0f3d..ae40b666739b 100644 --- a/drivers/net/ethernet/sfc/Kconfig +++ b/drivers/net/ethernet/sfc/Kconfig @@ -19,3 +19,10 @@ config SFC_MTD This exposes the on-board flash memory as MTD devices (e.g. /dev/mtd1). This makes it possible to upload new firmware to the NIC. +config SFC_MCDI_MON + bool "Solarflare SFC9000-family hwmon support" + depends on SFC && HWMON && !(SFC=y && HWMON=m) + default y + ----help--- + This exposes the on-board firmware-managed sensors as a + hardware monitor device. diff --git a/drivers/net/ethernet/sfc/Makefile b/drivers/net/ethernet/sfc/Makefile index ab31c7124db1..3fa2e25ccc45 100644 --- a/drivers/net/ethernet/sfc/Makefile +++ b/drivers/net/ethernet/sfc/Makefile @@ -2,7 +2,7 @@ sfc-y += efx.o nic.o falcon.o siena.o tx.o rx.o filter.o \ falcon_xmac.o mcdi_mac.o \ selftest.o ethtool.o qt202x_phy.o mdio_10g.o \ tenxpress.o txc43128_phy.o falcon_boards.o \ - mcdi.o mcdi_phy.o + mcdi.o mcdi_phy.o mcdi_mon.o sfc-$(CONFIG_SFC_MTD) += mtd.o obj-$(CONFIG_SFC) += sfc.o diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index f1cad22b30fa..619f63a66ce7 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -517,49 +517,6 @@ static void efx_mcdi_process_link_change(struct efx_nic *efx, efx_qword_t *ev) efx_link_status_changed(efx); } -static const char *const sensor_names[] = { - [MC_CMD_SENSOR_CONTROLLER_TEMP] = "Controller temp. sensor", - [MC_CMD_SENSOR_PHY_COMMON_TEMP] = "PHY shared temp. sensor", - [MC_CMD_SENSOR_CONTROLLER_COOLING] = "Controller cooling", - [MC_CMD_SENSOR_PHY0_TEMP] = "PHY 0 temp. sensor", - [MC_CMD_SENSOR_PHY0_COOLING] = "PHY 0 cooling", - [MC_CMD_SENSOR_PHY1_TEMP] = "PHY 1 temp. sensor", - [MC_CMD_SENSOR_PHY1_COOLING] = "PHY 1 cooling", - [MC_CMD_SENSOR_IN_1V0] = "1.0V supply sensor", - [MC_CMD_SENSOR_IN_1V2] = "1.2V supply sensor", - [MC_CMD_SENSOR_IN_1V8] = "1.8V supply sensor", - [MC_CMD_SENSOR_IN_2V5] = "2.5V supply sensor", - [MC_CMD_SENSOR_IN_3V3] = "3.3V supply sensor", - [MC_CMD_SENSOR_IN_12V0] = "12V supply sensor" -}; - -static const char *const sensor_status_names[] = { - [MC_CMD_SENSOR_STATE_OK] = "OK", - [MC_CMD_SENSOR_STATE_WARNING] = "Warning", - [MC_CMD_SENSOR_STATE_FATAL] = "Fatal", - [MC_CMD_SENSOR_STATE_BROKEN] = "Device failure", -}; - -static void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev) -{ - unsigned int monitor, state, value; - const char *name, *state_txt; - monitor = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_MONITOR); - state = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_STATE); - value = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_VALUE); - /* Deal gracefully with the board having more drivers than we - * know about, but do not expect new sensor states. */ - name = (monitor >= ARRAY_SIZE(sensor_names)) - ? "No sensor name available" : - sensor_names[monitor]; - EFX_BUG_ON_PARANOID(state >= ARRAY_SIZE(sensor_status_names)); - state_txt = sensor_status_names[state]; - - netif_err(efx, hw, efx->net_dev, - "Sensor %d (%s) reports condition '%s' for raw value %d\n", - monitor, name, state_txt, value); -} - /* Called from falcon_process_eventq for MCDI events */ void efx_mcdi_process_event(struct efx_channel *channel, efx_qword_t *event) diff --git a/drivers/net/ethernet/sfc/mcdi.h b/drivers/net/ethernet/sfc/mcdi.h index 4dd39fcca678..fbaa6efcd744 100644 --- a/drivers/net/ethernet/sfc/mcdi.h +++ b/drivers/net/ethernet/sfc/mcdi.h @@ -56,6 +56,15 @@ struct efx_mcdi_iface { size_t resplen; }; +struct efx_mcdi_mon { + struct efx_buffer dma_buf; + struct mutex update_lock; + unsigned long last_update; + struct device *device; + struct efx_mcdi_mon_attribute *attrs; + unsigned int n_attrs; +}; + extern void efx_mcdi_init(struct efx_nic *efx); extern int efx_mcdi_rpc(struct efx_nic *efx, unsigned cmd, const u8 *inbuf, @@ -68,6 +77,7 @@ extern void efx_mcdi_mode_event(struct efx_nic *efx); extern void efx_mcdi_process_event(struct efx_channel *channel, efx_qword_t *event); +extern void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev); #define MCDI_PTR2(_buf, _ofst) \ (((u8 *)_buf) + _ofst) @@ -83,6 +93,10 @@ extern void efx_mcdi_process_event(struct efx_channel *channel, #define MCDI_PTR(_buf, _ofst) \ MCDI_PTR2(_buf, MC_CMD_ ## _ofst ## _OFST) +#define MCDI_ARRAY_PTR(_buf, _field, _type, _index) \ + MCDI_PTR2(_buf, \ + MC_CMD_ ## _field ## _OFST + \ + (_index) * MC_CMD_ ## _type ## _TYPEDEF_LEN) #define MCDI_SET_DWORD(_buf, _ofst, _value) \ MCDI_SET_DWORD2(_buf, MC_CMD_ ## _ofst ## _OFST, _value) #define MCDI_DWORD(_buf, _ofst) \ @@ -92,6 +106,12 @@ extern void efx_mcdi_process_event(struct efx_channel *channel, #define MCDI_EVENT_FIELD(_ev, _field) \ EFX_QWORD_FIELD(_ev, MCDI_EVENT_ ## _field) +#define MCDI_ARRAY_FIELD(_buf, _field1, _type, _index, _field2) \ + EFX_DWORD_FIELD( \ + *((efx_dword_t *) \ + (MCDI_ARRAY_PTR(_buf, _field1, _type, _index) + \ + (MC_CMD_ ## _type ## _TYPEDEF_ ## _field2 ## _OFST & ~3))), \ + MC_CMD_ ## _type ## _TYPEDEF_ ## _field2) extern void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len); extern int efx_mcdi_drv_attach(struct efx_nic *efx, bool driver_operating, @@ -131,4 +151,12 @@ extern int efx_mcdi_mac_stats(struct efx_nic *efx, dma_addr_t dma_addr, extern int efx_mcdi_mac_reconfigure(struct efx_nic *efx); extern bool efx_mcdi_mac_check_fault(struct efx_nic *efx); +#ifdef CONFIG_SFC_MCDI_MON +extern int efx_mcdi_mon_probe(struct efx_nic *efx); +extern void efx_mcdi_mon_remove(struct efx_nic *efx); +#else +static inline int efx_mcdi_mon_probe(struct efx_nic *efx) { return 0; } +static inline void efx_mcdi_mon_remove(struct efx_nic *efx) {} +#endif + #endif /* EFX_MCDI_H */ diff --git a/drivers/net/ethernet/sfc/mcdi_mon.c b/drivers/net/ethernet/sfc/mcdi_mon.c new file mode 100644 index 000000000000..8a72c10b9a6c --- /dev/null +++ b/drivers/net/ethernet/sfc/mcdi_mon.c @@ -0,0 +1,415 @@ +/**************************************************************************** + * Driver for Solarflare Solarstorm network controllers and boards + * Copyright 2011 Solarflare Communications Inc. + * + * 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, incorporated herein by reference. + */ + +#include <linux/bitops.h> +#include <linux/slab.h> +#include <linux/hwmon.h> +#include <linux/stat.h> + +#include "net_driver.h" +#include "mcdi.h" +#include "mcdi_pcol.h" +#include "nic.h" + +enum efx_hwmon_type { + EFX_HWMON_UNKNOWN, + EFX_HWMON_TEMP, /* temperature */ + EFX_HWMON_COOL, /* cooling device, probably a heatsink */ + EFX_HWMON_IN /* input voltage */ +}; + +static const struct { + const char *label; + enum efx_hwmon_type hwmon_type; + int port; +} efx_mcdi_sensor_type[MC_CMD_SENSOR_ENTRY_MAXNUM] = { +#define SENSOR(name, label, hwmon_type, port) \ + [MC_CMD_SENSOR_##name] = { label, hwmon_type, port } + SENSOR(CONTROLLER_TEMP, "Controller temp.", EFX_HWMON_TEMP, -1), + SENSOR(PHY_COMMON_TEMP, "PHY temp.", EFX_HWMON_TEMP, -1), + SENSOR(CONTROLLER_COOLING, "Controller cooling", EFX_HWMON_COOL, -1), + SENSOR(PHY0_TEMP, "PHY temp.", EFX_HWMON_TEMP, 0), + SENSOR(PHY0_COOLING, "PHY cooling", EFX_HWMON_COOL, 0), + SENSOR(PHY1_TEMP, "PHY temp.", EFX_HWMON_TEMP, 1), + SENSOR(PHY1_COOLING, "PHY cooling", EFX_HWMON_COOL, 1), + SENSOR(IN_1V0, "1.0V supply", EFX_HWMON_IN, -1), + SENSOR(IN_1V2, "1.2V supply", EFX_HWMON_IN, -1), + SENSOR(IN_1V8, "1.8V supply", EFX_HWMON_IN, -1), + SENSOR(IN_2V5, "2.5V supply", EFX_HWMON_IN, -1), + SENSOR(IN_3V3, "3.3V supply", EFX_HWMON_IN, -1), + SENSOR(IN_12V0, "12.0V supply", EFX_HWMON_IN, -1), + SENSOR(IN_1V2A, "1.2V analogue supply", EFX_HWMON_IN, -1), + SENSOR(IN_VREF, "ref. voltage", EFX_HWMON_IN, -1), +#undef SENSOR +}; + +static const char *const sensor_status_names[] = { + [MC_CMD_SENSOR_STATE_OK] = "OK", + [MC_CMD_SENSOR_STATE_WARNING] = "Warning", + [MC_CMD_SENSOR_STATE_FATAL] = "Fatal", + [MC_CMD_SENSOR_STATE_BROKEN] = "Device failure", +}; + +void efx_mcdi_sensor_event(struct efx_nic *efx, efx_qword_t *ev) +{ + unsigned int type, state, value; + const char *name = NULL, *state_txt; + + type = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_MONITOR); + state = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_STATE); + value = EFX_QWORD_FIELD(*ev, MCDI_EVENT_SENSOREVT_VALUE); + + /* Deal gracefully with the board having more drivers than we + * know about, but do not expect new sensor states. */ + if (type < ARRAY_SIZE(efx_mcdi_sensor_type)) + name = efx_mcdi_sensor_type[type].label; + if (!name) + name = "No sensor name available"; + EFX_BUG_ON_PARANOID(state >= ARRAY_SIZE(sensor_status_names)); + state_txt = sensor_status_names[state]; + + netif_err(efx, hw, efx->net_dev, + "Sensor %d (%s) reports condition '%s' for raw value %d\n", + type, name, state_txt, value); +} + +#ifdef CONFIG_SFC_MCDI_MON + +struct efx_mcdi_mon_attribute { + struct device_attribute dev_attr; + unsigned int index; + unsigned int type; + unsigned int limit_value; + char name[12]; +}; + +static int efx_mcdi_mon_update(struct efx_nic *efx) +{ + struct efx_mcdi_mon *hwmon = efx_mcdi_mon(efx); + u8 inbuf[MC_CMD_READ_SENSORS_IN_LEN]; + int rc; + + MCDI_SET_DWORD(inbuf, READ_SENSORS_IN_DMA_ADDR_LO, + hwmon->dma_buf.dma_addr & 0xffffffff); + MCDI_SET_DWORD(inbuf, READ_SENSORS_IN_DMA_ADDR_HI, + (u64)hwmon->dma_buf.dma_addr >> 32); + + rc = efx_mcdi_rpc(efx, MC_CMD_READ_SENSORS, + inbuf, sizeof(inbuf), NULL, 0, NULL); + if (rc == 0) + hwmon->last_update = jiffies; + return rc; +} + +static ssize_t efx_mcdi_mon_show_name(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + return sprintf(buf, "%s\n", KBUILD_MODNAME); +} + +static int efx_mcdi_mon_get_entry(struct device *dev, unsigned int index, + efx_dword_t *entry) +{ + struct efx_nic *efx = dev_get_drvdata(dev); + struct efx_mcdi_mon *hwmon = efx_mcdi_mon(efx); + int rc; + + BUILD_BUG_ON(MC_CMD_READ_SENSORS_OUT_LEN != 0); + + mutex_lock(&hwmon->update_lock); + + /* Use cached value if last update was < 1 s ago */ + if (time_before(jiffies, hwmon->last_update + HZ)) + rc = 0; + else + rc = efx_mcdi_mon_update(efx); + + /* Copy out the requested entry */ + *entry = ((efx_dword_t *)hwmon->dma_buf.addr)[index]; + + mutex_unlock(&hwmon->update_lock); + + return rc; +} + +static ssize_t efx_mcdi_mon_show_value(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct efx_mcdi_mon_attribute *mon_attr = + container_of(attr, struct efx_mcdi_mon_attribute, dev_attr); + efx_dword_t entry; + unsigned int value; + int rc; + + rc = efx_mcdi_mon_get_entry(dev, mon_attr->index, &entry); + if (rc) + return rc; + + value = EFX_DWORD_FIELD(entry, MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_VALUE); + + /* Convert temperature from degrees to milli-degrees Celsius */ + if (efx_mcdi_sensor_type[mon_attr->type].hwmon_type == EFX_HWMON_TEMP) + value *= 1000; + + return sprintf(buf, "%u\n", value); +} + +static ssize_t efx_mcdi_mon_show_limit(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct efx_mcdi_mon_attribute *mon_attr = + container_of(attr, struct efx_mcdi_mon_attribute, dev_attr); + unsigned int value; + + value = mon_attr->limit_value; + + /* Convert temperature from degrees to milli-degrees Celsius */ + if (efx_mcdi_sensor_type[mon_attr->type].hwmon_type == EFX_HWMON_TEMP) + value *= 1000; + + return sprintf(buf, "%u\n", value); +} + +static ssize_t efx_mcdi_mon_show_alarm(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct efx_mcdi_mon_attribute *mon_attr = + container_of(attr, struct efx_mcdi_mon_attribute, dev_attr); + efx_dword_t entry; + int state; + int rc; + + rc = efx_mcdi_mon_get_entry(dev, mon_attr->index, &entry); + if (rc) + return rc; + + state = EFX_DWORD_FIELD(entry, MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_STATE); + return sprintf(buf, "%d\n", state != MC_CMD_SENSOR_STATE_OK); +} + +static ssize_t efx_mcdi_mon_show_label(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + struct efx_mcdi_mon_attribute *mon_attr = + container_of(attr, struct efx_mcdi_mon_attribute, dev_attr); + return sprintf(buf, "%s\n", + efx_mcdi_sensor_type[mon_attr->type].label); +} + +static int +efx_mcdi_mon_add_attr(struct efx_nic *efx, const char *name, + ssize_t (*reader)(struct device *, + struct device_attribute *, char *), + unsigned int index, unsigned int type, + unsigned int limit_value) +{ + struct efx_mcdi_mon *hwmon = efx_mcdi_mon(efx); + struct efx_mcdi_mon_attribute *attr = &hwmon->attrs[hwmon->n_attrs]; + int rc; + + strlcpy(attr->name, name, sizeof(attr->name)); + attr->index = index; + attr->type = type; + attr->limit_value = limit_value; + attr->dev_attr.attr.name = attr->name; + attr->dev_attr.attr.mode = S_IRUGO; + attr->dev_attr.show = reader; + rc = device_create_file(&efx->pci_dev->dev, &attr->dev_attr); + if (rc == 0) + ++hwmon->n_attrs; + return rc; +} + +int efx_mcdi_mon_probe(struct efx_nic *efx) +{ + struct efx_mcdi_mon *hwmon = efx_mcdi_mon(efx); + unsigned int n_attrs, n_temp = 0, n_cool = 0, n_in = 0; + u8 outbuf[MC_CMD_SENSOR_INFO_OUT_LENMAX]; + size_t outlen; + char name[12]; + u32 mask; + int rc, i, type; + + BUILD_BUG_ON(MC_CMD_SENSOR_INFO_IN_LEN != 0); + + rc = efx_mcdi_rpc(efx, MC_CMD_SENSOR_INFO, NULL, 0, + outbuf, sizeof(outbuf), &outlen); + if (rc) + return rc; + if (outlen < MC_CMD_SENSOR_INFO_OUT_LENMIN) + return -EIO; + + /* Find out which sensors are present. Don't create a device + * if there are none. + */ + mask = MCDI_DWORD(outbuf, SENSOR_INFO_OUT_MASK); + if (mask == 0) + return 0; + + /* Check again for short response */ + if (outlen < MC_CMD_SENSOR_INFO_OUT_LEN(hweight32(mask))) + return -EIO; + + rc = efx_nic_alloc_buffer(efx, &hwmon->dma_buf, + 4 * MC_CMD_SENSOR_ENTRY_MAXNUM); + if (rc) + return rc; + + mutex_init(&hwmon->update_lock); + efx_mcdi_mon_update(efx); + + /* Allocate space for the maximum possible number of + * attributes for this set of sensors: name of the driver plus + * value, min, max, crit, alarm and label for each sensor. + */ + n_attrs = 1 + 6 * hweight32(mask); + hwmon->attrs = kcalloc(n_attrs, sizeof(*hwmon->attrs), GFP_KERNEL); + if (!hwmon->attrs) { + rc = -ENOMEM; + goto fail; + } + + hwmon->device = hwmon_device_register(&efx->pci_dev->dev); + if (IS_ERR(hwmon->device)) { + rc = PTR_ERR(hwmon->device); + goto fail; + } + + rc = efx_mcdi_mon_add_attr(efx, "name", efx_mcdi_mon_show_name, 0, 0, 0); + if (rc) + goto fail; + + for (i = 0, type = -1; ; i++) { + const char *hwmon_prefix; + unsigned hwmon_index; + u16 min1, max1, min2, max2; + + /* Find next sensor type or exit if there is none */ + type++; + while (!(mask & (1 << type))) { + type++; + if (type == 32) + return 0; + } + + /* Skip sensors specific to a different port */ + if (efx_mcdi_sensor_type[type].hwmon_type != EFX_HWMON_UNKNOWN && + efx_mcdi_sensor_type[type].port >= 0 && + efx_mcdi_sensor_type[type].port != efx_port_num(efx)) + continue; + + switch (efx_mcdi_sensor_type[type].hwmon_type) { + case EFX_HWMON_TEMP: + hwmon_prefix = "temp"; + hwmon_index = ++n_temp; /* 1-based */ + break; + case EFX_HWMON_COOL: + /* This is likely to be a heatsink, but there + * is no convention for representing cooling + * devices other than fans. + */ + hwmon_prefix = "fan"; + hwmon_index = ++n_cool; /* 1-based */ + break; + default: + hwmon_prefix = "in"; + hwmon_index = n_in++; /* 0-based */ + break; + } + + min1 = MCDI_ARRAY_FIELD(outbuf, SENSOR_ENTRY, + SENSOR_INFO_ENTRY, i, MIN1); + max1 = MCDI_ARRAY_FIELD(outbuf, SENSOR_ENTRY, + SENSOR_INFO_ENTRY, i, MAX1); + min2 = MCDI_ARRAY_FIELD(outbuf, SENSOR_ENTRY, + SENSOR_INFO_ENTRY, i, MIN2); + max2 = MCDI_ARRAY_FIELD(outbuf, SENSOR_ENTRY, + SENSOR_INFO_ENTRY, i, MAX2); + + if (min1 != max1) { + snprintf(name, sizeof(name), "%s%u_input", + hwmon_prefix, hwmon_index); + rc = efx_mcdi_mon_add_attr( + efx, name, efx_mcdi_mon_show_value, i, type, 0); + if (rc) + goto fail; + + snprintf(name, sizeof(name), "%s%u_min", + hwmon_prefix, hwmon_index); + rc = efx_mcdi_mon_add_attr( + efx, name, efx_mcdi_mon_show_limit, + i, type, min1); + if (rc) + goto fail; + + snprintf(name, sizeof(name), "%s%u_max", + hwmon_prefix, hwmon_index); + rc = efx_mcdi_mon_add_attr( + efx, name, efx_mcdi_mon_show_limit, + i, type, max1); + if (rc) + goto fail; + + if (min2 != max2) { + /* Assume max2 is critical value. + * But we have no good way to expose min2. + */ + snprintf(name, sizeof(name), "%s%u_crit", + hwmon_prefix, hwmon_index); + rc = efx_mcdi_mon_add_attr( + efx, name, efx_mcdi_mon_show_limit, + i, type, max2); + if (rc) + goto fail; + } + } + + snprintf(name, sizeof(name), "%s%u_alarm", + hwmon_prefix, hwmon_index); + rc = efx_mcdi_mon_add_attr( + efx, name, efx_mcdi_mon_show_alarm, i, type, 0); + if (rc) + goto fail; + + if (efx_mcdi_sensor_type[type].label) { + snprintf(name, sizeof(name), "%s%u_label", + hwmon_prefix, hwmon_index); + rc = efx_mcdi_mon_add_attr( + efx, name, efx_mcdi_mon_show_label, i, type, 0); + if (rc) + goto fail; + } + } + +fail: + efx_mcdi_mon_remove(efx); + return rc; +} + +void efx_mcdi_mon_remove(struct efx_nic *efx) +{ + struct siena_nic_data *nic_data = efx->nic_data; + struct efx_mcdi_mon *hwmon = &nic_data->hwmon; + unsigned int i; + + for (i = 0; i < hwmon->n_attrs; i++) + device_remove_file(&efx->pci_dev->dev, + &hwmon->attrs[i].dev_attr); + kfree(hwmon->attrs); + if (hwmon->device) + hwmon_device_unregister(hwmon->device); + efx_nic_free_buffer(efx, &hwmon->dma_buf); +} + +#endif /* CONFIG_SFC_MCDI_MON */ diff --git a/drivers/net/ethernet/sfc/nic.h b/drivers/net/ethernet/sfc/nic.h index a3ccd0b9d78d..905a1877d603 100644 --- a/drivers/net/ethernet/sfc/nic.h +++ b/drivers/net/ethernet/sfc/nic.h @@ -144,12 +144,26 @@ static inline struct falcon_board *falcon_board(struct efx_nic *efx) * struct siena_nic_data - Siena NIC state * @mcdi: Management-Controller-to-Driver Interface * @wol_filter_id: Wake-on-LAN packet filter id + * @hwmon: Hardware monitor state */ struct siena_nic_data { struct efx_mcdi_iface mcdi; int wol_filter_id; +#ifdef CONFIG_SFC_MCDI_MON + struct efx_mcdi_mon hwmon; +#endif }; +#ifdef CONFIG_SFC_MCDI_MON +static inline struct efx_mcdi_mon *efx_mcdi_mon(struct efx_nic *efx) +{ + struct siena_nic_data *nic_data; + EFX_BUG_ON_PARANOID(efx_nic_rev(efx) < EFX_REV_SIENA_A0); + nic_data = efx->nic_data; + return &nic_data->hwmon; +} +#endif + extern const struct efx_nic_type falcon_a1_nic_type; extern const struct efx_nic_type falcon_b0_nic_type; extern const struct efx_nic_type siena_a0_nic_type; diff --git a/drivers/net/ethernet/sfc/siena.c b/drivers/net/ethernet/sfc/siena.c index f05425842b31..d3c4169e2a0b 100644 --- a/drivers/net/ethernet/sfc/siena.c +++ b/drivers/net/ethernet/sfc/siena.c @@ -300,6 +300,10 @@ static int siena_probe_nic(struct efx_nic *efx) goto fail5; } + rc = efx_mcdi_mon_probe(efx); + if (rc) + goto fail5; + return 0; fail5: @@ -387,6 +391,8 @@ static int siena_init_nic(struct efx_nic *efx) static void siena_remove_nic(struct efx_nic *efx) { + efx_mcdi_mon_remove(efx); + efx_nic_free_buffer(efx, &efx->irq_status); siena_reset_hw(efx, RESET_TYPE_ALL); |