diff options
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 188 |
1 files changed, 106 insertions, 82 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index c1a85d46eba6..39534fafa36a 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 @@ -86,8 +75,10 @@ enum ata_quirks { __ATA_QUIRK_NO_DMA_LOG, /* Do not use DMA for log read */ __ATA_QUIRK_NOTRIM, /* Do not use TRIM */ __ATA_QUIRK_MAX_SEC_1024, /* Limit max sects to 1024 */ + __ATA_QUIRK_MAX_SEC_8191, /* Limit max sects to 8191 */ __ATA_QUIRK_MAX_TRIM_128M, /* Limit max trim size to 128M */ __ATA_QUIRK_NO_NCQ_ON_ATI, /* Disable NCQ on ATI chipset */ + __ATA_QUIRK_NO_LPM_ON_ATI, /* Disable LPM on ATI chipset */ __ATA_QUIRK_NO_ID_DEV_LOG, /* Identify device log missing */ __ATA_QUIRK_NO_LOG_DIR, /* Do not read log directory */ __ATA_QUIRK_NO_FUA, /* Do not use FUA */ @@ -95,6 +86,45 @@ enum ata_quirks { __ATA_QUIRK_MAX, }; +/* + * Quirk flags: may be set by libata or controller drivers on drives. + * Some quirks may be drive/controller pair dependent. + */ +enum { + ATA_QUIRK_DIAGNOSTIC = (1U << __ATA_QUIRK_DIAGNOSTIC), + ATA_QUIRK_NODMA = (1U << __ATA_QUIRK_NODMA), + ATA_QUIRK_NONCQ = (1U << __ATA_QUIRK_NONCQ), + ATA_QUIRK_MAX_SEC_128 = (1U << __ATA_QUIRK_MAX_SEC_128), + ATA_QUIRK_BROKEN_HPA = (1U << __ATA_QUIRK_BROKEN_HPA), + ATA_QUIRK_DISABLE = (1U << __ATA_QUIRK_DISABLE), + ATA_QUIRK_HPA_SIZE = (1U << __ATA_QUIRK_HPA_SIZE), + ATA_QUIRK_IVB = (1U << __ATA_QUIRK_IVB), + ATA_QUIRK_STUCK_ERR = (1U << __ATA_QUIRK_STUCK_ERR), + ATA_QUIRK_BRIDGE_OK = (1U << __ATA_QUIRK_BRIDGE_OK), + ATA_QUIRK_ATAPI_MOD16_DMA = (1U << __ATA_QUIRK_ATAPI_MOD16_DMA), + ATA_QUIRK_FIRMWARE_WARN = (1U << __ATA_QUIRK_FIRMWARE_WARN), + ATA_QUIRK_1_5_GBPS = (1U << __ATA_QUIRK_1_5_GBPS), + ATA_QUIRK_NOSETXFER = (1U << __ATA_QUIRK_NOSETXFER), + ATA_QUIRK_BROKEN_FPDMA_AA = (1U << __ATA_QUIRK_BROKEN_FPDMA_AA), + ATA_QUIRK_DUMP_ID = (1U << __ATA_QUIRK_DUMP_ID), + ATA_QUIRK_MAX_SEC_LBA48 = (1U << __ATA_QUIRK_MAX_SEC_LBA48), + ATA_QUIRK_ATAPI_DMADIR = (1U << __ATA_QUIRK_ATAPI_DMADIR), + ATA_QUIRK_NO_NCQ_TRIM = (1U << __ATA_QUIRK_NO_NCQ_TRIM), + ATA_QUIRK_NOLPM = (1U << __ATA_QUIRK_NOLPM), + ATA_QUIRK_WD_BROKEN_LPM = (1U << __ATA_QUIRK_WD_BROKEN_LPM), + ATA_QUIRK_ZERO_AFTER_TRIM = (1U << __ATA_QUIRK_ZERO_AFTER_TRIM), + ATA_QUIRK_NO_DMA_LOG = (1U << __ATA_QUIRK_NO_DMA_LOG), + ATA_QUIRK_NOTRIM = (1U << __ATA_QUIRK_NOTRIM), + ATA_QUIRK_MAX_SEC_1024 = (1U << __ATA_QUIRK_MAX_SEC_1024), + ATA_QUIRK_MAX_SEC_8191 = (1U << __ATA_QUIRK_MAX_SEC_8191), + ATA_QUIRK_MAX_TRIM_128M = (1U << __ATA_QUIRK_MAX_TRIM_128M), + ATA_QUIRK_NO_NCQ_ON_ATI = (1U << __ATA_QUIRK_NO_NCQ_ON_ATI), + ATA_QUIRK_NO_LPM_ON_ATI = (1U << __ATA_QUIRK_NO_LPM_ON_ATI), + ATA_QUIRK_NO_ID_DEV_LOG = (1U << __ATA_QUIRK_NO_ID_DEV_LOG), + ATA_QUIRK_NO_LOG_DIR = (1U << __ATA_QUIRK_NO_LOG_DIR), + ATA_QUIRK_NO_FUA = (1U << __ATA_QUIRK_NO_FUA), +}; + enum { /* various global constants */ LIBATA_MAX_PRD = ATA_MAX_PRD / 2, @@ -154,7 +184,6 @@ 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 | \ @@ -401,41 +430,6 @@ enum { */ ATA_EH_CMD_TIMEOUT_TABLE_SIZE = 8, - /* - * Quirk flags: may be set by libata or controller drivers on drives. - * Some quirks may be drive/controller pair dependent. - */ - ATA_QUIRK_DIAGNOSTIC = (1U << __ATA_QUIRK_DIAGNOSTIC), - ATA_QUIRK_NODMA = (1U << __ATA_QUIRK_NODMA), - ATA_QUIRK_NONCQ = (1U << __ATA_QUIRK_NONCQ), - ATA_QUIRK_MAX_SEC_128 = (1U << __ATA_QUIRK_MAX_SEC_128), - ATA_QUIRK_BROKEN_HPA = (1U << __ATA_QUIRK_BROKEN_HPA), - ATA_QUIRK_DISABLE = (1U << __ATA_QUIRK_DISABLE), - ATA_QUIRK_HPA_SIZE = (1U << __ATA_QUIRK_HPA_SIZE), - ATA_QUIRK_IVB = (1U << __ATA_QUIRK_IVB), - ATA_QUIRK_STUCK_ERR = (1U << __ATA_QUIRK_STUCK_ERR), - ATA_QUIRK_BRIDGE_OK = (1U << __ATA_QUIRK_BRIDGE_OK), - ATA_QUIRK_ATAPI_MOD16_DMA = (1U << __ATA_QUIRK_ATAPI_MOD16_DMA), - ATA_QUIRK_FIRMWARE_WARN = (1U << __ATA_QUIRK_FIRMWARE_WARN), - ATA_QUIRK_1_5_GBPS = (1U << __ATA_QUIRK_1_5_GBPS), - ATA_QUIRK_NOSETXFER = (1U << __ATA_QUIRK_NOSETXFER), - ATA_QUIRK_BROKEN_FPDMA_AA = (1U << __ATA_QUIRK_BROKEN_FPDMA_AA), - ATA_QUIRK_DUMP_ID = (1U << __ATA_QUIRK_DUMP_ID), - ATA_QUIRK_MAX_SEC_LBA48 = (1U << __ATA_QUIRK_MAX_SEC_LBA48), - ATA_QUIRK_ATAPI_DMADIR = (1U << __ATA_QUIRK_ATAPI_DMADIR), - ATA_QUIRK_NO_NCQ_TRIM = (1U << __ATA_QUIRK_NO_NCQ_TRIM), - ATA_QUIRK_NOLPM = (1U << __ATA_QUIRK_NOLPM), - ATA_QUIRK_WD_BROKEN_LPM = (1U << __ATA_QUIRK_WD_BROKEN_LPM), - ATA_QUIRK_ZERO_AFTER_TRIM = (1U << __ATA_QUIRK_ZERO_AFTER_TRIM), - ATA_QUIRK_NO_DMA_LOG = (1U << __ATA_QUIRK_NO_DMA_LOG), - ATA_QUIRK_NOTRIM = (1U << __ATA_QUIRK_NOTRIM), - ATA_QUIRK_MAX_SEC_1024 = (1U << __ATA_QUIRK_MAX_SEC_1024), - ATA_QUIRK_MAX_TRIM_128M = (1U << __ATA_QUIRK_MAX_TRIM_128M), - ATA_QUIRK_NO_NCQ_ON_ATI = (1U << __ATA_QUIRK_NO_NCQ_ON_ATI), - ATA_QUIRK_NO_ID_DEV_LOG = (1U << __ATA_QUIRK_NO_ID_DEV_LOG), - ATA_QUIRK_NO_LOG_DIR = (1U << __ATA_QUIRK_NO_LOG_DIR), - ATA_QUIRK_NO_FUA = (1U << __ATA_QUIRK_NO_FUA), - /* User visible DMA mask for DMA control. DO NOT renumber. */ ATA_DMA_MASK_ATA = (1 << 0), /* DMA on ATA Disk */ ATA_DMA_MASK_ATAPI = (1 << 1), /* DMA on ATAPI */ @@ -509,16 +503,28 @@ 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 { @@ -543,6 +549,7 @@ typedef void (*ata_postreset_fn_t)(struct ata_link *link, unsigned int *classes) extern struct device_attribute dev_attr_unload_heads; #ifdef CONFIG_SATA_HOST +extern struct device_attribute dev_attr_link_power_management_supported; extern struct device_attribute dev_attr_link_power_management_policy; extern struct device_attribute dev_attr_ncq_prio_supported; extern struct device_attribute dev_attr_ncq_prio_enable; @@ -759,6 +766,9 @@ 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]; @@ -939,6 +949,13 @@ 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 @@ -965,14 +982,8 @@ 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); @@ -1196,13 +1207,12 @@ extern void ata_qc_complete(struct ata_queued_cmd *qc); extern u64 ata_qc_get_active(struct ata_port *ap); extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd); extern int ata_std_bios_param(struct scsi_device *sdev, - struct block_device *bdev, + struct gendisk *unused, 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); -int ata_scsi_device_configure(struct scsi_device *sdev, - struct queue_limits *lim); -extern void ata_scsi_slave_destroy(struct scsi_device *sdev); +extern int ata_scsi_sdev_init(struct scsi_device *sdev); +int ata_scsi_sdev_configure(struct scsi_device *sdev, struct queue_limits *lim); +extern void ata_scsi_sdev_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 scsi_device *sdev, @@ -1214,7 +1224,7 @@ 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); @@ -1301,8 +1311,8 @@ extern struct ata_port *ata_port_alloc(struct ata_host *host); extern void ata_port_free(struct ata_port *ap); extern int ata_tport_add(struct device *parent, struct ata_port *ap); extern void ata_tport_delete(struct ata_port *ap); -int ata_sas_device_configure(struct scsi_device *sdev, struct queue_limits *lim, - struct ata_port *ap); +int ata_sas_sdev_configure(struct scsi_device *sdev, struct queue_limits *lim, + struct ata_port *ap); extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap); extern void ata_tf_to_fis(const struct ata_taskfile *tf, u8 pmp, int is_cmd, u8 *fis); @@ -1362,7 +1372,7 @@ 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) { @@ -1387,10 +1397,9 @@ 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 @@ -1409,9 +1418,6 @@ 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); @@ -1458,8 +1464,8 @@ 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, \ + .sdev_init = ata_scsi_sdev_init, \ + .sdev_destroy = ata_scsi_sdev_destroy, \ .bios_param = ata_std_bios_param, \ .unlock_native_capacity = ata_scsi_unlock_native_capacity,\ .max_sectors = ATA_MAX_SECTORS_LBA48 @@ -1467,14 +1473,14 @@ extern const struct attribute_group *ata_common_sdev_groups[]; #define ATA_SUBBASE_SHT(drv_name) \ __ATA_BASE_SHT(drv_name), \ .can_queue = ATA_DEF_QUEUE, \ - .tag_alloc_policy = BLK_TAG_ALLOC_RR, \ - .device_configure = ata_scsi_device_configure + .tag_alloc_policy_rr = true, \ + .sdev_configure = ata_scsi_sdev_configure #define ATA_SUBBASE_SHT_QD(drv_name, drv_qd) \ __ATA_BASE_SHT(drv_name), \ .can_queue = drv_qd, \ - .tag_alloc_policy = BLK_TAG_ALLOC_RR, \ - .device_configure = ata_scsi_device_configure + .tag_alloc_policy_rr = true, \ + .sdev_configure = ata_scsi_sdev_configure #define ATA_BASE_SHT(drv_name) \ ATA_SUBBASE_SHT(drv_name), \ @@ -1592,7 +1598,17 @@ 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); +#define ata_dev_warn_once(dev, fmt, ...) \ + pr_warn_once("ata%u.%02u: " fmt, \ + (dev)->link->ap->print_id, \ + (dev)->link->pmp + (dev)->devno, \ + ##__VA_ARGS__) + +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 @@ -1624,6 +1640,8 @@ 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) @@ -2143,6 +2161,12 @@ 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__ */ |