1 files changed, 26 insertions, 4 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 620da7be07b7..a3df64677ac3 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -116,6 +116,7 @@ static inline struct device *pci_dev_to_dev(struct pci_dev *pdev)
 enum {
         /* various global constants */
         LIBATA_MAX_PRD          = ATA_MAX_PRD / 2,
+        LIBATA_DUMB_MAX_PRD     = ATA_MAX_PRD / 4,      /* Worst case */
         ATA_MAX_PORTS           = 8,
         ATA_DEF_QUEUE           = 1,
         /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */
@@ -136,6 +137,8 @@ enum {
         ATA_DFLAG_CDB_INTR      = (1 << 2), /* device asserts INTRQ when ready for CDB */
         ATA_DFLAG_NCQ           = (1 << 3), /* device supports NCQ */
         ATA_DFLAG_FLUSH_EXT     = (1 << 4), /* do FLUSH_EXT instead of FLUSH */
+        ATA_DFLAG_ACPI_PENDING  = (1 << 5), /* ACPI resume action pending */
+        ATA_DFLAG_ACPI_FAILED   = (1 << 6), /* ACPI on devcfg has failed */
         ATA_DFLAG_CFG_MASK      = (1 << 8) - 1,
 
         ATA_DFLAG_PIO           = (1 << 8), /* device limited to PIO mode */
@@ -196,6 +199,7 @@ enum {
         ATA_PFLAG_FLUSH_PORT_TASK = (1 << 16), /* flush port task */
         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 */
 
         /* struct ata_queued_cmd flags */
         ATA_QCFLAG_ACTIVE       = (1 << 0), /* cmd not yet ack'd to scsi lyer */
@@ -363,6 +367,9 @@ struct ata_host {
         void                    *private_data;
         const struct ata_port_operations *ops;
         unsigned long           flags;
+#ifdef CONFIG_ATA_ACPI
+        acpi_handle             acpi_handle;
+#endif
         struct ata_port         *simplex_claimed;       /* channel owning the DMA */
         struct ata_port         *ports[0];
 };
@@ -429,6 +436,9 @@ struct ata_device {
         unsigned int            devno;          /* 0 or 1 */
         unsigned long           flags;          /* ATA_DFLAG_xxx */
         struct scsi_device      *sdev;          /* attached SCSI device */
+#ifdef CONFIG_ATA_ACPI
+        acpi_handle             acpi_handle;
+#endif
         /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
         u64                     n_sectors;      /* size of device, if ATA */
         unsigned int            class;          /* ATA_DEV_xxx */
@@ -457,10 +467,6 @@ struct ata_device {
         struct ata_ering        ering;
         int                     spdn_cnt;
         unsigned int            horkage;        /* List of broken features */
-#ifdef CONFIG_ATA_ACPI
-        /* ACPI objects info */
-        acpi_handle obj_handle;
-#endif
 };
 
 /* Offset into struct ata_device.  Fields above it are maintained
@@ -489,6 +495,17 @@ struct ata_eh_context {
         unsigned int            did_probe_mask;
 };
 
+struct ata_acpi_drive
+{
+        u32 pio;
+        u32 dma;
+} __packed;
+
+struct ata_acpi_gtm {
+        struct ata_acpi_drive drive[2];
+        u32 flags;
+} __packed;
+
 struct ata_port {
         struct Scsi_Host        *scsi_host; /* our co-allocated scsi host */
         const struct ata_port_operations *ops;
@@ -549,6 +566,10 @@ struct ata_port {
 
         void                    *private_data;
 
+#ifdef CONFIG_ATA_ACPI
+        acpi_handle             acpi_handle;
+        struct ata_acpi_gtm     acpi_gtm;
+#endif
         u8                      sector_buf[ATA_SECT_SIZE]; /* owned by EH */
 };
 
@@ -758,6 +779,7 @@ extern void ata_data_xfer(struct ata_device *adev, unsigned char *buf,
                           unsigned int buflen, int write_data);
 extern void ata_data_xfer_noirq(struct ata_device *adev, unsigned char *buf,
                                 unsigned int buflen, int write_data);
+extern void ata_dumb_qc_prep(struct ata_queued_cmd *qc);
 extern void ata_qc_prep(struct ata_queued_cmd *qc);
 extern void ata_noop_qc_prep(struct ata_queued_cmd *qc);
 extern unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc);