Merge branch 'fixes-jgarzik' of git://git.kernel.org/pub/scm/linux/kernel/git/linvill...

[linux-2.6] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 3784af3955764e167dff7b104fe6355b0ffb56a8..124033cb5e9bf6c6540a83f7b696852912d75913 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -119,6 +119,8 @@ enum {
        ATA_DEF_BUSY_WAIT       = 10000,
        ATA_SHORT_PAUSE         = (HZ >> 6) + 1,
 
+       ATAPI_MAX_DRAIN         = 16 << 10,
+
        ATA_SHT_EMULATED        = 1,
        ATA_SHT_CMD_PER_LUN     = 1,
        ATA_SHT_THIS_ID         = -1,
@@ -211,7 +213,7 @@ enum {
 
        ATA_PFLAG_SUSPENDED     = (1 << 17), /* port is suspended (power) */
        ATA_PFLAG_PM_PENDING    = (1 << 18), /* PM operation pending */
-       ATA_PFLAG_GTM_VALID     = (1 << 19), /* acpi_gtm data valid */
+       ATA_PFLAG_INIT_GTM_VALID = (1 << 19), /* initial gtm data valid */
 
        /* struct ata_queued_cmd flags */
        ATA_QCFLAG_ACTIVE       = (1 << 0), /* cmd not yet ack'd to scsi lyer */
@@ -498,6 +500,7 @@ struct ata_device {
        struct scsi_device      *sdev;          /* attached SCSI device */
 #ifdef CONFIG_ATA_ACPI
        acpi_handle             acpi_handle;
+       union acpi_object       *gtf_cache;
 #endif
        /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
        u64                     n_sectors;      /* size of device, if ATA */
@@ -653,7 +656,7 @@ struct ata_port {
 
 #ifdef CONFIG_ATA_ACPI
        acpi_handle             acpi_handle;
-       struct ata_acpi_gtm     acpi_gtm;
+       struct ata_acpi_gtm     __acpi_init_gtm; /* use ata_acpi_init_gtm() */
 #endif
        u8                      sector_buf[ATA_SECT_SIZE]; /* owned by EH */
 };
@@ -939,10 +942,20 @@ enum {
 
 /* libata-acpi.c */
 #ifdef CONFIG_ATA_ACPI
+static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)
+{
+       if (ap->pflags & ATA_PFLAG_INIT_GTM_VALID)
+               return &ap->__acpi_init_gtm;
+       return NULL;
+}
 extern int ata_acpi_cbl_80wire(struct ata_port *ap);
 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);
 #else
+static inline const struct ata_acpi_gtm *ata_acpi_init_gtm(struct ata_port *ap)
+{
+       return NULL;
+}
 static inline int ata_acpi_cbl_80wire(struct ata_port *ap) { return 0; }
 #endif