1 files changed, 25 insertions, 11 deletions

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 3449de597eff..5d87bc09a1f5 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -187,6 +187,8 @@ enum {
         ATA_FLAG_PIO_POLLING    = (1 << 9), /* use polling PIO if LLD
                                              * doesn't handle PIO interrupts */
         ATA_FLAG_NCQ            = (1 << 10), /* host supports NCQ */
+        ATA_FLAG_NO_POWEROFF_SPINDOWN = (1 << 11), /* don't spindown before poweroff */
+        ATA_FLAG_NO_HIBERNATE_SPINDOWN = (1 << 12), /* don't spindown before hibernation */
         ATA_FLAG_DEBUGMSG       = (1 << 13),
         ATA_FLAG_IGN_SIMPLEX    = (1 << 15), /* ignore SIMPLEX */
         ATA_FLAG_NO_IORDY       = (1 << 16), /* controller lacks iordy */
@@ -239,6 +241,7 @@ enum {
         /* host set flags */
         ATA_HOST_SIMPLEX        = (1 << 0),     /* Host is simplex, one DMA channel per host only */
         ATA_HOST_STARTED        = (1 << 1),     /* Host started */
+        ATA_HOST_PARALLEL_SCAN  = (1 << 2),     /* Ports on this host can be scanned in parallel */
 
         /* bits 24:31 of host->flags are reserved for LLD specific flags */
 
@@ -377,6 +380,7 @@ enum {
         ATA_HORKAGE_ATAPI_MOD16_DMA = (1 << 11), /* use ATAPI DMA for commands
                                                     not multiple of 16 bytes */
         ATA_HORKAGE_FIRMWARE_WARN = (1 << 12),  /* firwmare update warning */
+        ATA_HORKAGE_1_5_GBPS    = (1 << 13),    /* force 1.5 Gbps */
 
          /* DMA mask for user DMA control: User visible values; DO NOT
             renumber */
@@ -400,12 +404,14 @@ enum {
                                   ATA_TIMING_CYC8B,
         ATA_TIMING_ACTIVE       = (1 << 4),
         ATA_TIMING_RECOVER      = (1 << 5),
-        ATA_TIMING_CYCLE        = (1 << 6),
-        ATA_TIMING_UDMA         = (1 << 7),
+        ATA_TIMING_DMACK_HOLD   = (1 << 6),
+        ATA_TIMING_CYCLE        = (1 << 7),
+        ATA_TIMING_UDMA         = (1 << 8),
         ATA_TIMING_ALL          = ATA_TIMING_SETUP | ATA_TIMING_ACT8B |
                                   ATA_TIMING_REC8B | ATA_TIMING_CYC8B |
                                   ATA_TIMING_ACTIVE | ATA_TIMING_RECOVER |
-                                  ATA_TIMING_CYCLE | ATA_TIMING_UDMA,
+                                  ATA_TIMING_DMACK_HOLD | ATA_TIMING_CYCLE |
+                                  ATA_TIMING_UDMA,
 };
 
 enum ata_xfer_mask {
@@ -575,7 +581,7 @@ struct ata_device {
         acpi_handle             acpi_handle;
         union acpi_object       *gtf_cache;
 #endif
-        /* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
+        /* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */
         u64                     n_sectors;      /* size of device, if ATA */
         unsigned int            class;          /* ATA_DEV_xxx */
         unsigned long           unpark_deadline;
@@ -600,20 +606,22 @@ struct ata_device {
         u16                     heads;          /* Number of heads */
         u16                     sectors;        /* Number of sectors per track */
 
-        /* error history */
-        int                     spdn_cnt;
-        struct ata_ering        ering;
-
         union {
                 u16             id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
                 u32             gscr[SATA_PMP_GSCR_DWORDS]; /* PMP GSCR block */
         };
+
+        /* error history */
+        int                     spdn_cnt;
+        /* ering is CLEAR_END, read comment above CLEAR_END */
+        struct ata_ering        ering;
 };
 
-/* Offset into struct ata_device.  Fields above it are maintained
- * acress device init.  Fields below are zeroed.
+/* Fields between ATA_DEVICE_CLEAR_BEGIN and ATA_DEVICE_CLEAR_END are
+ * cleared to zero on ata_dev_init().
  */
-#define ATA_DEVICE_CLEAR_OFFSET         offsetof(struct ata_device, n_sectors)
+#define ATA_DEVICE_CLEAR_BEGIN          offsetof(struct ata_device, n_sectors)
+#define ATA_DEVICE_CLEAR_END            offsetof(struct ata_device, ering)
 
 struct ata_eh_info {
         struct ata_device       *dev;           /* offending device */
@@ -865,6 +873,7 @@ struct ata_timing {
         unsigned short cyc8b;           /* t0 for 8-bit I/O */
         unsigned short active;          /* t2 or tD */
         unsigned short recover;         /* t2i or tK */
+        unsigned short dmack_hold;      /* tj */
         unsigned short cycle;           /* t0 */
         unsigned short udma;            /* t2CYCTYP/2 */
 };
@@ -926,6 +935,8 @@ extern void ata_host_init(struct ata_host *, struct device *,
 extern int ata_scsi_detect(struct scsi_host_template *sht);
 extern int ata_scsi_ioctl(struct scsi_device *dev, int cmd, void __user *arg);
 extern int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *));
+extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
+                            int cmd, void __user *arg);
 extern void ata_sas_port_destroy(struct ata_port *);
 extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
                                            struct ata_port_info *, struct Scsi_Host *);
@@ -1518,6 +1529,7 @@ extern void sata_pmp_error_handler(struct ata_port *ap);
 
 extern const struct ata_port_operations ata_sff_port_ops;
 extern const struct ata_port_operations ata_bmdma_port_ops;
+extern const struct ata_port_operations ata_bmdma32_port_ops;
 
 /* PIO only, sg_tablesize and dma_boundary limits can be removed */
 #define ATA_PIO_SHT(drv_name)                                   \
@@ -1545,6 +1557,8 @@ extern void ata_sff_exec_command(struct ata_port *ap,
                                  const struct ata_taskfile *tf);
 extern unsigned int ata_sff_data_xfer(struct ata_device *dev,
                         unsigned char *buf, unsigned int buflen, int rw);
+extern unsigned int ata_sff_data_xfer32(struct ata_device *dev,
+                        unsigned char *buf, unsigned int buflen, int rw);
 extern unsigned int ata_sff_data_xfer_noirq(struct ata_device *dev,
                         unsigned char *buf, unsigned int buflen, int rw);
 extern u8 ata_sff_irq_on(struct ata_port *ap);