Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi

[uclinux-h8/linux.git] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 1402291..51cb312 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -204,6 +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 */
@@ -308,6 +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,
@@ -787,6 +794,8 @@ 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])
@@ -1200,6 +1209,7 @@ 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);