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-rw-r--r--include/linux/libata.h87
1 files changed, 29 insertions, 58 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index d8cfc72ea9c1..620da7be07b7 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -140,7 +140,7 @@ enum {
ATA_DFLAG_PIO = (1 << 8), /* device limited to PIO mode */
ATA_DFLAG_NCQ_OFF = (1 << 9), /* device limited to non-NCQ mode */
- ATA_DFLAG_SUSPENDED = (1 << 10), /* device suspended */
+ ATA_DFLAG_SPUNDOWN = (1 << 10), /* XXX: for spindown_compat */
ATA_DFLAG_INIT_MASK = (1 << 16) - 1,
ATA_DFLAG_DETACH = (1 << 16),
@@ -171,9 +171,9 @@ enum {
ATA_FLAG_SKIP_D2H_BSY = (1 << 12), /* can't wait for the first D2H
* Register FIS clearing BSY */
ATA_FLAG_DEBUGMSG = (1 << 13),
- ATA_FLAG_SETXFER_POLLING= (1 << 14), /* use polling for SETXFER */
ATA_FLAG_IGN_SIMPLEX = (1 << 15), /* ignore SIMPLEX */
ATA_FLAG_NO_IORDY = (1 << 16), /* controller lacks iordy */
+ ATA_FLAG_ACPI_SATA = (1 << 17), /* need native SATA ACPI layout */
/* The following flag belongs to ap->pflags but is kept in
* ap->flags because it's referenced in many LLDs and will be
@@ -191,6 +191,7 @@ enum {
ATA_PFLAG_LOADING = (1 << 4), /* boot/loading probe */
ATA_PFLAG_UNLOADING = (1 << 5), /* module is unloading */
ATA_PFLAG_SCSI_HOTPLUG = (1 << 6), /* SCSI hotplug scheduled */
+ ATA_PFLAG_INITIALIZING = (1 << 7), /* being initialized, don't touch */
ATA_PFLAG_FLUSH_PORT_TASK = (1 << 16), /* flush port task */
ATA_PFLAG_SUSPENDED = (1 << 17), /* port is suspended (power) */
@@ -254,10 +255,6 @@ enum {
ATA_DMA_PAD_SZ = 4,
ATA_DMA_PAD_BUF_SZ = ATA_DMA_PAD_SZ * ATA_MAX_QUEUE,
- /* masks for port functions */
- ATA_PORT_PRIMARY = (1 << 0),
- ATA_PORT_SECONDARY = (1 << 1),
-
/* ering size */
ATA_ERING_SIZE = 32,
@@ -268,13 +265,9 @@ enum {
ATA_EH_REVALIDATE = (1 << 0),
ATA_EH_SOFTRESET = (1 << 1),
ATA_EH_HARDRESET = (1 << 2),
- ATA_EH_SUSPEND = (1 << 3),
- ATA_EH_RESUME = (1 << 4),
- ATA_EH_PM_FREEZE = (1 << 5),
ATA_EH_RESET_MASK = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
- ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE | ATA_EH_SUSPEND |
- ATA_EH_RESUME | ATA_EH_PM_FREEZE,
+ ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE,
/* ata_eh_info->flags */
ATA_EHI_HOTPLUGGED = (1 << 0), /* could have been hotplugged */
@@ -296,18 +289,8 @@ enum {
/* how hard are we gonna try to probe/recover devices */
ATA_PROBE_MAX_TRIES = 3,
- ATA_EH_RESET_TRIES = 3,
ATA_EH_DEV_TRIES = 3,
- /* Drive spinup time (time from power-on to the first D2H FIS)
- * in msecs - 8s currently. Failing to get ready in this time
- * isn't critical. It will result in reset failure for
- * controllers which can't wait for the first D2H FIS. libata
- * will retry, so it just has to be long enough to spin up
- * most devices.
- */
- ATA_SPINUP_WAIT = 8000,
-
/* Horkage types. May be set by libata or controller on drives
(some horkage may be drive/controller pair dependant */
@@ -315,7 +298,6 @@ enum {
ATA_HORKAGE_NODMA = (1 << 1), /* DMA problems */
ATA_HORKAGE_NONCQ = (1 << 2), /* Don't use NCQ */
ATA_HORKAGE_MAX_SEC_128 = (1 << 3), /* Limit max sects to 128 */
- ATA_HORKAGE_DMA_RW_ONLY = (1 << 4), /* ATAPI DMA for RW only */
};
enum hsm_task_states {
@@ -348,8 +330,9 @@ struct ata_queued_cmd;
/* typedefs */
typedef void (*ata_qc_cb_t) (struct ata_queued_cmd *qc);
-typedef int (*ata_prereset_fn_t)(struct ata_port *ap);
-typedef int (*ata_reset_fn_t)(struct ata_port *ap, unsigned int *classes);
+typedef int (*ata_prereset_fn_t)(struct ata_port *ap, unsigned long deadline);
+typedef int (*ata_reset_fn_t)(struct ata_port *ap, unsigned int *classes,
+ unsigned long deadline);
typedef void (*ata_postreset_fn_t)(struct ata_port *ap, unsigned int *classes);
struct ata_ioports {
@@ -448,7 +431,6 @@ struct ata_device {
struct scsi_device *sdev; /* attached SCSI device */
/* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
u64 n_sectors; /* size of device, if ATA */
- u64 n_sectors_boot; /* size of ATA device at startup */
unsigned int class; /* ATA_DEV_xxx */
u16 id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
u8 pio_mode;
@@ -475,7 +457,7 @@ struct ata_device {
struct ata_ering ering;
int spdn_cnt;
unsigned int horkage; /* List of broken features */
-#ifdef CONFIG_SATA_ACPI
+#ifdef CONFIG_ATA_ACPI
/* ACPI objects info */
acpi_handle obj_handle;
#endif
@@ -494,7 +476,6 @@ struct ata_eh_info {
unsigned int dev_action[ATA_MAX_DEVICES]; /* dev EH action */
unsigned int flags; /* ATA_EHI_* flags */
- unsigned long hotplug_timestamp;
unsigned int probe_mask;
char desc[ATA_EH_DESC_LEN];
@@ -591,8 +572,6 @@ struct ata_port_operations {
void (*phy_reset) (struct ata_port *ap); /* obsolete */
int (*set_mode) (struct ata_port *ap, struct ata_device **r_failed_dev);
- void (*post_set_mode) (struct ata_port *ap);
-
int (*cable_detect) (struct ata_port *ap);
int (*check_atapi_dma) (struct ata_queued_cmd *qc);
@@ -688,19 +667,23 @@ extern void __sata_phy_reset(struct ata_port *ap);
extern void sata_phy_reset(struct ata_port *ap);
extern void ata_bus_reset(struct ata_port *ap);
extern int sata_set_spd(struct ata_port *ap);
-extern int sata_phy_debounce(struct ata_port *ap, const unsigned long *param);
-extern int sata_phy_resume(struct ata_port *ap, const unsigned long *param);
-extern int ata_std_prereset(struct ata_port *ap);
-extern int ata_std_softreset(struct ata_port *ap, unsigned int *classes);
-extern int sata_port_hardreset(struct ata_port *ap,
- const unsigned long *timing);
-extern int sata_std_hardreset(struct ata_port *ap, unsigned int *class);
+extern int sata_phy_debounce(struct ata_port *ap, const unsigned long *param,
+ unsigned long deadline);
+extern int sata_phy_resume(struct ata_port *ap, const unsigned long *param,
+ unsigned long deadline);
+extern int ata_std_prereset(struct ata_port *ap, unsigned long deadline);
+extern int ata_std_softreset(struct ata_port *ap, unsigned int *classes,
+ unsigned long deadline);
+extern int sata_port_hardreset(struct ata_port *ap, const unsigned long *timing,
+ unsigned long deadline);
+extern int sata_std_hardreset(struct ata_port *ap, unsigned int *class,
+ unsigned long deadline);
extern void ata_std_postreset(struct ata_port *ap, unsigned int *classes);
extern void ata_port_disable(struct ata_port *);
extern void ata_std_ports(struct ata_ioports *ioaddr);
#ifdef CONFIG_PCI
-extern int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info,
- unsigned int n_ports);
+extern int ata_pci_init_one (struct pci_dev *pdev,
+ const struct ata_port_info * const * ppi);
extern void ata_pci_remove_one (struct pci_dev *pdev);
#ifdef CONFIG_PM
extern void ata_pci_device_do_suspend(struct pci_dev *pdev, pm_message_t mesg);
@@ -742,14 +725,13 @@ extern int sata_scr_write_flush(struct ata_port *ap, int reg, u32 val);
extern int ata_port_online(struct ata_port *ap);
extern int ata_port_offline(struct ata_port *ap);
#ifdef CONFIG_PM
-extern int ata_scsi_device_resume(struct scsi_device *);
-extern int ata_scsi_device_suspend(struct scsi_device *, pm_message_t mesg);
extern int ata_host_suspend(struct ata_host *host, pm_message_t mesg);
extern void ata_host_resume(struct ata_host *host);
#endif
extern int ata_ratelimit(void);
extern int ata_busy_sleep(struct ata_port *ap,
unsigned long timeout_pat, unsigned long timeout);
+extern int ata_wait_ready(struct ata_port *ap, unsigned long deadline);
extern void ata_port_queue_task(struct ata_port *ap, work_func_t fn,
void *data, unsigned long delay);
extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
@@ -770,6 +752,7 @@ extern u8 ata_check_status(struct ata_port *ap);
extern u8 ata_altstatus(struct ata_port *ap);
extern void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf);
extern int ata_port_start (struct ata_port *ap);
+extern int ata_sff_port_start (struct ata_port *ap);
extern irqreturn_t ata_interrupt (int irq, void *dev_instance);
extern void ata_data_xfer(struct ata_device *adev, unsigned char *buf,
unsigned int buflen, int write_data);
@@ -866,11 +849,11 @@ struct pci_bits {
unsigned long val;
};
-extern int ata_pci_init_native_host(struct ata_host *host,
- unsigned int port_mask);
+extern int ata_pci_init_native_host(struct ata_host *host);
+extern int ata_pci_init_bmdma(struct ata_host *host);
extern int ata_pci_prepare_native_host(struct pci_dev *pdev,
const struct ata_port_info * const * ppi,
- int n_ports, struct ata_host **r_host);
+ struct ata_host **r_host);
extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits);
extern unsigned long ata_pci_default_filter(struct ata_device *, unsigned long);
#endif /* CONFIG_PCI */
@@ -919,12 +902,7 @@ extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
static inline void __ata_ehi_hotplugged(struct ata_eh_info *ehi)
{
- if (ehi->flags & ATA_EHI_HOTPLUGGED)
- return;
-
ehi->flags |= ATA_EHI_HOTPLUGGED | ATA_EHI_RESUME_LINK;
- ehi->hotplug_timestamp = jiffies;
-
ehi->action |= ATA_EH_SOFTRESET;
ehi->probe_mask |= (1 << ATA_MAX_DEVICES) - 1;
}
@@ -1018,11 +996,6 @@ static inline unsigned int ata_dev_absent(const struct ata_device *dev)
return ata_class_absent(dev->class);
}
-static inline unsigned int ata_dev_ready(const struct ata_device *dev)
-{
- return ata_dev_enabled(dev) && !(dev->flags & ATA_DFLAG_SUSPENDED);
-}
-
/*
* port helpers
*/
@@ -1114,11 +1087,9 @@ static inline u8 ata_wait_idle(struct ata_port *ap)
{
u8 status = ata_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
- if (status != 0xff && (status & (ATA_BUSY | ATA_DRQ))) {
- if (ata_msg_warn(ap))
- printk(KERN_WARNING "ATA: abnormal status 0x%X on port 0x%p\n",
- status, ap->ioaddr.status_addr);
- }
+ if (status != 0xff && (status & (ATA_BUSY | ATA_DRQ)))
+ DPRINTK("ATA: abnormal status 0x%X on port 0x%p\n",
+ status, ap->ioaddr.status_addr);
return status;
}