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-rw-r--r--include/linux/libata.h80
1 files changed, 46 insertions, 34 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index e5695998acb0..912ace523880 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -41,17 +41,6 @@
*/
#undef ATA_IRQ_TRAP /* define to ack screaming irqs */
-
-#define ata_print_version_once(dev, version) \
-({ \
- static bool __print_once; \
- \
- if (!__print_once) { \
- __print_once = true; \
- ata_print_version(dev, version); \
- } \
-})
-
/* defines only for the constants which don't work well as enums */
#define ATA_TAG_POISON 0xfafbfcfdU
@@ -155,7 +144,6 @@ enum {
ATA_DFLAG_DEVSLP = (1 << 27), /* device supports Device Sleep */
ATA_DFLAG_ACPI_DISABLED = (1 << 28), /* ACPI for the device is disabled */
ATA_DFLAG_D_SENSE = (1 << 29), /* Descriptor sense requested */
- ATA_DFLAG_ZAC = (1 << 30), /* ZAC device */
ATA_DFLAG_FEATURES_MASK = (ATA_DFLAG_TRUSTED | ATA_DFLAG_DA | \
ATA_DFLAG_DEVSLP | ATA_DFLAG_NCQ_SEND_RECV | \
@@ -511,16 +499,28 @@ enum ata_completion_errors {
};
/*
- * Link power management policy: If you alter this, you also need to
- * alter libata-sata.c (for the ascii descriptions)
+ * Link Power Management (LPM) policies.
+ *
+ * The default LPM policy to use for a device link is defined using these values
+ * with the CONFIG_SATA_MOBILE_LPM_POLICY config option and applied through the
+ * target_lpm_policy field of struct ata_port.
+ *
+ * If you alter this, you also need to alter the policy names used with the
+ * sysfs attribute link_power_management_policy defined in libata-sata.c.
*/
enum ata_lpm_policy {
+ /* Keep firmware settings */
ATA_LPM_UNKNOWN,
+ /* No power savings (maximum performance) */
ATA_LPM_MAX_POWER,
+ /* HIPM (Partial) */
ATA_LPM_MED_POWER,
- ATA_LPM_MED_POWER_WITH_DIPM, /* Med power + DIPM as win IRST does */
- ATA_LPM_MIN_POWER_WITH_PARTIAL, /* Min Power + partial and slumber */
- ATA_LPM_MIN_POWER, /* Min power + no partial (slumber only) */
+ /* HIPM (Partial) and DIPM (Partial and Slumber) */
+ ATA_LPM_MED_POWER_WITH_DIPM,
+ /* HIPM (Partial and DevSleep) and DIPM (Partial and Slumber) */
+ ATA_LPM_MIN_POWER_WITH_PARTIAL,
+ /* HIPM (Slumber and DevSleep) and DIPM (Partial and Slumber) */
+ ATA_LPM_MIN_POWER,
};
enum ata_lpm_hints {
@@ -761,6 +761,9 @@ struct ata_device {
u32 gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
} ____cacheline_aligned;
+ /* General Purpose Log Directory log page */
+ u8 gp_log_dir[ATA_SECT_SIZE] ____cacheline_aligned;
+
/* DEVSLP Timing Variables from Identify Device Data Log */
u8 devslp_timing[ATA_LOG_DEVSLP_SIZE];
@@ -941,6 +944,13 @@ struct ata_port {
*/
#define ATA_OP_NULL (void *)(unsigned long)(-ENOENT)
+struct ata_reset_operations {
+ ata_prereset_fn_t prereset;
+ ata_reset_fn_t softreset;
+ ata_reset_fn_t hardreset;
+ ata_postreset_fn_t postreset;
+};
+
struct ata_port_operations {
/*
* Command execution
@@ -967,14 +977,8 @@ struct ata_port_operations {
void (*freeze)(struct ata_port *ap);
void (*thaw)(struct ata_port *ap);
- ata_prereset_fn_t prereset;
- ata_reset_fn_t softreset;
- ata_reset_fn_t hardreset;
- ata_postreset_fn_t postreset;
- ata_prereset_fn_t pmp_prereset;
- ata_reset_fn_t pmp_softreset;
- ata_reset_fn_t pmp_hardreset;
- ata_postreset_fn_t pmp_postreset;
+ struct ata_reset_operations reset;
+ struct ata_reset_operations pmp_reset;
void (*error_handler)(struct ata_port *ap);
void (*lost_interrupt)(struct ata_port *ap);
void (*post_internal_cmd)(struct ata_queued_cmd *qc);
@@ -1215,7 +1219,7 @@ extern int ata_ncq_prio_enabled(struct ata_port *ap, struct scsi_device *sdev,
extern int ata_ncq_prio_enable(struct ata_port *ap, struct scsi_device *sdev,
bool enable);
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);
+int ata_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);
extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_head *eh_q);
@@ -1363,7 +1367,7 @@ int ata_acpi_stm(struct ata_port *ap, const struct ata_acpi_gtm *stm);
int ata_acpi_gtm(struct ata_port *ap, struct ata_acpi_gtm *stm);
unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev,
const struct ata_acpi_gtm *gtm);
-int ata_acpi_cbl_80wire(struct ata_port *ap, const struct ata_acpi_gtm *gtm);
+int ata_acpi_cbl_pata_type(struct ata_port *ap);
#else
static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)
{
@@ -1388,10 +1392,9 @@ static inline unsigned int ata_acpi_gtm_xfermask(struct ata_device *dev,
return 0;
}
-static inline int ata_acpi_cbl_80wire(struct ata_port *ap,
- const struct ata_acpi_gtm *gtm)
+static inline int ata_acpi_cbl_pata_type(struct ata_port *ap)
{
- return 0;
+ return ATA_CBL_PATA40;
}
#endif
@@ -1410,9 +1413,6 @@ extern void ata_eh_thaw_port(struct ata_port *ap);
extern void ata_eh_qc_complete(struct ata_queued_cmd *qc);
extern void ata_eh_qc_retry(struct ata_queued_cmd *qc);
-extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
- ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
- ata_postreset_fn_t postreset);
extern void ata_std_error_handler(struct ata_port *ap);
extern void ata_std_sched_eh(struct ata_port *ap);
extern void ata_std_end_eh(struct ata_port *ap);
@@ -1593,7 +1593,11 @@ do { \
#define ata_dev_dbg(dev, fmt, ...) \
ata_dev_printk(debug, dev, fmt, ##__VA_ARGS__)
-void ata_print_version(const struct device *dev, const char *version);
+static inline void ata_print_version_once(const struct device *dev,
+ const char *version)
+{
+ dev_dbg_once(dev, "version %s\n", version);
+}
/*
* ata_eh_info helpers
@@ -1625,6 +1629,8 @@ static inline void ata_port_desc_misc(struct ata_port *ap, int irq)
{
ata_port_desc(ap, "irq %d", irq);
ata_port_desc(ap, "lpm-pol %d", ap->target_lpm_policy);
+ if (ap->pflags & ATA_PFLAG_EXTERNAL)
+ ata_port_desc(ap, "ext");
}
static inline bool ata_tag_internal(unsigned int tag)
@@ -2144,6 +2150,12 @@ static inline u8 ata_wait_idle(struct ata_port *ap)
return status;
}
+#else /* CONFIG_ATA_SFF */
+static inline int sata_sff_hardreset(struct ata_link *link, unsigned int *class,
+ unsigned long deadline)
+{
+ return -EOPNOTSUPP;
+}
#endif /* CONFIG_ATA_SFF */
#endif /* __LINUX_LIBATA_H__ */
generated by cgit (git 2.34.1) at 2025-08-05 14:57:58 +0000