diff options
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index 6b08cc106c21..c9cfbcdb8d14 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -134,7 +134,6 @@ enum { ATA_ALL_DEVICES = (1 << ATA_MAX_DEVICES) - 1, ATA_SHT_EMULATED = 1, - ATA_SHT_CMD_PER_LUN = 1, ATA_SHT_THIS_ID = -1, ATA_SHT_USE_CLUSTERING = 1, @@ -205,6 +204,7 @@ enum { ATA_LFLAG_SW_ACTIVITY = (1 << 7), /* keep activity stats */ ATA_LFLAG_NO_LPM = (1 << 8), /* disable LPM on this link */ ATA_LFLAG_RST_ONCE = (1 << 9), /* limit recovery to one reset */ + ATA_LFLAG_CHANGED = (1 << 10), /* LPM state changed on this link */ /* struct ata_port flags */ ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */ @@ -231,8 +231,7 @@ enum { ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity * led */ ATA_FLAG_NO_DIPM = (1 << 23), /* host not happy with DIPM */ - ATA_FLAG_LOWTAG = (1 << 24), /* host wants lowest available tag */ - ATA_FLAG_SAS_HOST = (1 << 25), /* SAS host */ + ATA_FLAG_SAS_HOST = (1 << 24), /* SAS host */ /* bits 24:31 of ap->flags are reserved for LLD specific flags */ @@ -310,6 +309,12 @@ enum { */ ATA_TMOUT_PMP_SRST_WAIT = 5000, + /* 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 + * occurs within 10s after the policy change. + */ + ATA_TMOUT_SPURIOUS_PHY = 10000, + /* ATA bus states */ BUS_UNKNOWN = 0, BUS_DMA = 1, @@ -425,6 +430,9 @@ enum { ATA_HORKAGE_NOLPM = (1 << 20), /* don't use LPM */ ATA_HORKAGE_WD_BROKEN_LPM = (1 << 21), /* some WDs have broken LPM */ ATA_HORKAGE_ZERO_AFTER_TRIM = (1 << 22),/* guarantees zero after trim */ + ATA_HORKAGE_NO_NCQ_LOG = (1 << 23), /* don't use NCQ for log read */ + ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */ + ATA_HORKAGE_MAX_SEC_1024 = (1 << 25), /* Limit max sects to 1024 */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ @@ -789,6 +797,8 @@ struct ata_link { struct ata_eh_context eh_context; struct ata_device device[ATA_MAX_DEVICES]; + + unsigned long last_lpm_change; /* when last LPM change happened */ }; #define ATA_LINK_CLEAR_BEGIN offsetof(struct ata_link, active_tag) #define ATA_LINK_CLEAR_END offsetof(struct ata_link, device[0]) @@ -1202,6 +1212,7 @@ 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); extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_head *eh_q); +extern bool sata_lpm_ignore_phy_events(struct ata_link *link); extern int ata_cable_40wire(struct ata_port *ap); extern int ata_cable_80wire(struct ata_port *ap); @@ -1355,7 +1366,6 @@ extern struct device_attribute *ata_common_sdev_attrs[]; .can_queue = ATA_DEF_QUEUE, \ .tag_alloc_policy = BLK_TAG_ALLOC_RR, \ .this_id = ATA_SHT_THIS_ID, \ - .cmd_per_lun = ATA_SHT_CMD_PER_LUN, \ .emulated = ATA_SHT_EMULATED, \ .use_clustering = ATA_SHT_USE_CLUSTERING, \ .proc_name = drv_name, \ |