summaryrefslogtreecommitdiff
path: root/include/linux/libata.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/libata.h')
-rw-r--r--include/linux/libata.h100
1 files changed, 56 insertions, 44 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index dd5797fb6305..2a7d2af0ed80 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -94,17 +94,19 @@ enum {
ATA_DFLAG_DMADIR = (1 << 10), /* device requires DMADIR */
ATA_DFLAG_NCQ_SEND_RECV = (1 << 11), /* device supports NCQ SEND and RECV */
ATA_DFLAG_NCQ_PRIO = (1 << 12), /* device supports NCQ priority */
- ATA_DFLAG_CFG_MASK = (1 << 13) - 1,
-
- ATA_DFLAG_PIO = (1 << 13), /* device limited to PIO mode */
- ATA_DFLAG_NCQ_OFF = (1 << 14), /* device limited to non-NCQ mode */
- ATA_DFLAG_SLEEPING = (1 << 15), /* device is sleeping */
- ATA_DFLAG_DUBIOUS_XFER = (1 << 16), /* data transfer not verified */
- ATA_DFLAG_NO_UNLOAD = (1 << 17), /* device doesn't support unload */
- ATA_DFLAG_UNLOCK_HPA = (1 << 18), /* unlock HPA */
- ATA_DFLAG_INIT_MASK = (1 << 19) - 1,
-
- ATA_DFLAG_NCQ_PRIO_ENABLED = (1 << 19), /* Priority cmds sent to dev */
+ ATA_DFLAG_CDL = (1 << 13), /* supports cmd duration limits */
+ ATA_DFLAG_CFG_MASK = (1 << 14) - 1,
+
+ ATA_DFLAG_PIO = (1 << 14), /* device limited to PIO mode */
+ ATA_DFLAG_NCQ_OFF = (1 << 15), /* device limited to non-NCQ mode */
+ ATA_DFLAG_SLEEPING = (1 << 16), /* device is sleeping */
+ ATA_DFLAG_DUBIOUS_XFER = (1 << 17), /* data transfer not verified */
+ ATA_DFLAG_NO_UNLOAD = (1 << 18), /* device doesn't support unload */
+ ATA_DFLAG_UNLOCK_HPA = (1 << 19), /* unlock HPA */
+ ATA_DFLAG_INIT_MASK = (1 << 20) - 1,
+
+ ATA_DFLAG_NCQ_PRIO_ENABLED = (1 << 20), /* Priority cmds sent to dev */
+ ATA_DFLAG_CDL_ENABLED = (1 << 21), /* cmd duration limits is enabled */
ATA_DFLAG_DETACH = (1 << 24),
ATA_DFLAG_DETACHED = (1 << 25),
ATA_DFLAG_DA = (1 << 26), /* device supports Device Attention */
@@ -115,7 +117,8 @@ enum {
ATA_DFLAG_FEATURES_MASK = (ATA_DFLAG_TRUSTED | ATA_DFLAG_DA | \
ATA_DFLAG_DEVSLP | ATA_DFLAG_NCQ_SEND_RECV | \
- ATA_DFLAG_NCQ_PRIO | ATA_DFLAG_FUA),
+ ATA_DFLAG_NCQ_PRIO | ATA_DFLAG_FUA | \
+ ATA_DFLAG_CDL),
ATA_DEV_UNKNOWN = 0, /* unknown device */
ATA_DEV_ATA = 1, /* ATA device */
@@ -189,6 +192,7 @@ enum {
ATA_PFLAG_UNLOADING = (1 << 9), /* driver is being unloaded */
ATA_PFLAG_UNLOADED = (1 << 10), /* driver is unloaded */
+ ATA_PFLAG_RESUMING = (1 << 16), /* port is being resumed */
ATA_PFLAG_SUSPENDED = (1 << 17), /* port is suspended (power) */
ATA_PFLAG_PM_PENDING = (1 << 18), /* PM operation pending */
ATA_PFLAG_INIT_GTM_VALID = (1 << 19), /* initial gtm data valid */
@@ -206,10 +210,12 @@ enum {
ATA_QCFLAG_CLEAR_EXCL = (1 << 5), /* clear excl_link on completion */
ATA_QCFLAG_QUIET = (1 << 6), /* don't report device error */
ATA_QCFLAG_RETRY = (1 << 7), /* retry after failure */
+ ATA_QCFLAG_HAS_CDL = (1 << 8), /* qc has CDL a descriptor set */
ATA_QCFLAG_EH = (1 << 16), /* cmd aborted and owned by EH */
ATA_QCFLAG_SENSE_VALID = (1 << 17), /* sense data valid */
ATA_QCFLAG_EH_SCHEDULED = (1 << 18), /* EH scheduled (obsolete) */
+ ATA_QCFLAG_EH_SUCCESS_CMD = (1 << 19), /* EH should fetch sense for this successful cmd */
/* host set flags */
ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host only */
@@ -217,6 +223,10 @@ enum {
ATA_HOST_PARALLEL_SCAN = (1 << 2), /* Ports on this host can be scanned in parallel */
ATA_HOST_IGNORE_ATA = (1 << 3), /* Ignore ATA devices on this host. */
+ ATA_HOST_NO_PART = (1 << 4), /* Host does not support partial */
+ ATA_HOST_NO_SSC = (1 << 5), /* Host does not support slumber */
+ ATA_HOST_NO_DEVSLP = (1 << 6), /* Host does not support devslp */
+
/* bits 24:31 of host->flags are reserved for LLD specific flags */
/* various lengths of time */
@@ -250,7 +260,7 @@ enum {
* advised to wait only for the following duration before
* doing SRST.
*/
- ATA_TMOUT_PMP_SRST_WAIT = 5000,
+ ATA_TMOUT_PMP_SRST_WAIT = 10000,
/* When the LPM policy is set to ATA_LPM_MAX_POWER, there might
* be a spurious PHY event, so ignore the first PHY event that
@@ -308,8 +318,11 @@ enum {
ATA_EH_RESET = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
ATA_EH_ENABLE_LINK = (1 << 3),
ATA_EH_PARK = (1 << 5), /* unload heads and stop I/O */
+ ATA_EH_GET_SUCCESS_SENSE = (1 << 6), /* Get sense data for successful cmd */
+ ATA_EH_SET_ACTIVE = (1 << 7), /* Set a device to active power mode */
- ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE | ATA_EH_PARK,
+ ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE | ATA_EH_PARK |
+ ATA_EH_GET_SUCCESS_SENSE | ATA_EH_SET_ACTIVE,
ATA_EH_ALL_ACTIONS = ATA_EH_REVALIDATE | ATA_EH_RESET |
ATA_EH_ENABLE_LINK,
@@ -337,7 +350,6 @@ enum {
ATA_LINK_RESUME_TRIES = 5,
/* how hard are we gonna try to probe/recover devices */
- ATA_PROBE_MAX_TRIES = 3,
ATA_EH_DEV_TRIES = 3,
ATA_EH_PMP_TRIES = 5,
ATA_EH_PMP_LINK_TRIES = 3,
@@ -347,7 +359,7 @@ enum {
/* This should match the actual table size of
* ata_eh_cmd_timeout_table in libata-eh.c.
*/
- ATA_EH_CMD_TIMEOUT_TABLE_SIZE = 7,
+ ATA_EH_CMD_TIMEOUT_TABLE_SIZE = 8,
/* Horkage types. May be set by libata or controller on drives
(some horkage may be drive/controller pair dependent */
@@ -709,6 +721,9 @@ struct ata_device {
/* Concurrent positioning ranges */
struct ata_cpr_log *cpr_log;
+ /* Command Duration Limits log support */
+ u8 cdl[ATA_LOG_CDL_SIZE];
+
/* error history */
int spdn_cnt;
/* ering is CLEAR_END, read comment above CLEAR_END */
@@ -860,6 +875,7 @@ struct ata_port {
struct ata_acpi_gtm __acpi_init_gtm; /* use ata_acpi_init_gtm() */
#endif
/* owned by EH */
+ u8 *ncq_sense_buf;
u8 sector_buf[ATA_SECT_SIZE] ____cacheline_aligned;
};
@@ -966,12 +982,6 @@ struct ata_port_operations {
ssize_t size);
/*
- * Obsolete
- */
- void (*phy_reset)(struct ata_port *ap);
- void (*eng_timeout)(struct ata_port *ap);
-
- /*
* ->inherits must be the last field and all the preceding
* fields must be pointers.
*/
@@ -1105,7 +1115,7 @@ static inline void ata_sas_port_resume(struct ata_port *ap)
extern int ata_ratelimit(void);
extern void ata_msleep(struct ata_port *ap, unsigned int msecs);
extern u32 ata_wait_register(struct ata_port *ap, void __iomem *reg, u32 mask,
- u32 val, unsigned long interval, unsigned long timeout);
+ u32 val, unsigned int interval, unsigned int timeout);
extern int atapi_cmd_type(u8 opcode);
extern unsigned int ata_pack_xfermask(unsigned int pio_mask,
unsigned int mwdma_mask,
@@ -1140,12 +1150,13 @@ extern int ata_std_bios_param(struct scsi_device *sdev,
struct block_device *bdev,
sector_t capacity, int geom[]);
extern void ata_scsi_unlock_native_capacity(struct scsi_device *sdev);
+extern int ata_scsi_slave_alloc(struct scsi_device *sdev);
extern int ata_scsi_slave_config(struct scsi_device *sdev);
extern void ata_scsi_slave_destroy(struct scsi_device *sdev);
extern int ata_scsi_change_queue_depth(struct scsi_device *sdev,
int queue_depth);
-extern int ata_change_queue_depth(struct ata_port *ap, struct ata_device *dev,
- struct scsi_device *sdev, int queue_depth);
+extern int ata_change_queue_depth(struct ata_port *ap, struct scsi_device *sdev,
+ int queue_depth);
extern struct ata_device *ata_dev_pair(struct ata_device *adev);
extern int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
@@ -1155,11 +1166,11 @@ extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *
* SATA specific code - drivers/ata/libata-sata.c
*/
#ifdef CONFIG_SATA_HOST
-extern const unsigned long sata_deb_timing_normal[];
-extern const unsigned long sata_deb_timing_hotplug[];
-extern const unsigned long sata_deb_timing_long[];
+extern const unsigned int sata_deb_timing_normal[];
+extern const unsigned int sata_deb_timing_hotplug[];
+extern const unsigned int sata_deb_timing_long[];
-static inline const unsigned long *
+static inline const unsigned int *
sata_ehc_deb_timing(struct ata_eh_context *ehc)
{
if (ehc->i.flags & ATA_EHI_HOTPLUGGED)
@@ -1174,13 +1185,14 @@ extern int sata_scr_write(struct ata_link *link, int reg, u32 val);
extern int sata_scr_write_flush(struct ata_link *link, int reg, u32 val);
extern int sata_set_spd(struct ata_link *link);
extern int sata_link_hardreset(struct ata_link *link,
- const unsigned long *timing, unsigned long deadline,
+ const unsigned int *timing, unsigned long deadline,
bool *online, int (*check_ready)(struct ata_link *));
-extern int sata_link_resume(struct ata_link *link, const unsigned long *params,
+extern int sata_link_resume(struct ata_link *link, const unsigned int *params,
unsigned long deadline);
+extern int ata_eh_read_sense_success_ncq_log(struct ata_link *link);
extern void ata_eh_analyze_ncq_error(struct ata_link *link);
#else
-static inline const unsigned long *
+static inline const unsigned int *
sata_ehc_deb_timing(struct ata_eh_context *ehc)
{
return NULL;
@@ -1200,7 +1212,7 @@ static inline int sata_scr_write_flush(struct ata_link *link, int reg, u32 val)
}
static inline int sata_set_spd(struct ata_link *link) { return -EOPNOTSUPP; }
static inline int sata_link_hardreset(struct ata_link *link,
- const unsigned long *timing,
+ const unsigned int *timing,
unsigned long deadline,
bool *online,
int (*check_ready)(struct ata_link *))
@@ -1210,28 +1222,27 @@ static inline int sata_link_hardreset(struct ata_link *link,
return -EOPNOTSUPP;
}
static inline int sata_link_resume(struct ata_link *link,
- const unsigned long *params,
+ const unsigned int *params,
unsigned long deadline)
{
return -EOPNOTSUPP;
}
+static inline int ata_eh_read_sense_success_ncq_log(struct ata_link *link)
+{
+ return -EOPNOTSUPP;
+}
static inline void ata_eh_analyze_ncq_error(struct ata_link *link) { }
#endif
extern int sata_link_debounce(struct ata_link *link,
- const unsigned long *params, unsigned long deadline);
+ const unsigned int *params, unsigned long deadline);
extern int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy,
bool spm_wakeup);
extern int ata_slave_link_init(struct ata_port *ap);
-extern void ata_sas_port_destroy(struct ata_port *);
extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
struct ata_port_info *, struct Scsi_Host *);
-extern void ata_sas_async_probe(struct ata_port *ap);
-extern int ata_sas_sync_probe(struct ata_port *ap);
-extern int ata_sas_port_init(struct ata_port *);
-extern int ata_sas_port_start(struct ata_port *ap);
+extern void ata_port_probe(struct ata_port *ap);
extern int ata_sas_tport_add(struct device *parent, struct ata_port *ap);
extern void ata_sas_tport_delete(struct ata_port *ap);
-extern void ata_sas_port_stop(struct ata_port *ap);
extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap);
extern void ata_tf_to_fis(const struct ata_taskfile *tf,
@@ -1276,7 +1287,7 @@ extern int ata_pci_device_resume(struct pci_dev *pdev);
struct platform_device;
-extern int ata_platform_remove_one(struct platform_device *pdev);
+extern void ata_platform_remove_one(struct platform_device *pdev);
/*
* ACPI - drivers/ata/libata-acpi.c
@@ -1388,6 +1399,7 @@ extern const struct attribute_group *ata_common_sdev_groups[];
.this_id = ATA_SHT_THIS_ID, \
.emulated = ATA_SHT_EMULATED, \
.proc_name = drv_name, \
+ .slave_alloc = ata_scsi_slave_alloc, \
.slave_destroy = ata_scsi_slave_destroy, \
.bios_param = ata_std_bios_param, \
.unlock_native_capacity = ata_scsi_unlock_native_capacity,\
@@ -1769,7 +1781,7 @@ static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,
{
struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
- if (unlikely(!qc) || !ap->ops->error_handler)
+ if (unlikely(!qc))
return qc;
if ((qc->flags & (ATA_QCFLAG_ACTIVE |
@@ -1860,7 +1872,7 @@ static inline int ata_check_ready(u8 status)
}
static inline unsigned long ata_deadline(unsigned long from_jiffies,
- unsigned long timeout_msecs)
+ unsigned int timeout_msecs)
{
return from_jiffies + msecs_to_jiffies(timeout_msecs);
}