libata: cosmetic updates

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

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 9dcefee..5b2f749 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -143,7 +143,6 @@ enum {
 
        ATA_DFLAG_PIO           = (1 << 12), /* device limited to PIO mode */
        ATA_DFLAG_NCQ_OFF       = (1 << 13), /* device limited to non-NCQ mode */
-       ATA_DFLAG_SPUNDOWN      = (1 << 14), /* XXX: for spindown_compat */
        ATA_DFLAG_SLEEPING      = (1 << 15), /* device is sleeping */
        ATA_DFLAG_DUBIOUS_XFER  = (1 << 16), /* data transfer not verified */
        ATA_DFLAG_NO_UNLOAD     = (1 << 17), /* device doesn't support unload */
@@ -190,6 +189,7 @@ enum {
        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_FPDMA_AA               = (1 << 14), /* driver supports Auto-Activate */
        ATA_FLAG_IGN_SIMPLEX    = (1 << 15), /* ignore SIMPLEX */
        ATA_FLAG_NO_IORDY       = (1 << 16), /* controller lacks iordy */
        ATA_FLAG_ACPI_SATA      = (1 << 17), /* need native SATA ACPI layout */
@@ -209,6 +209,7 @@ enum {
 
        /* bits 24:31 of ap->flags are reserved for LLD specific flags */
 
+
        /* struct ata_port pflags */
        ATA_PFLAG_EH_PENDING    = (1 << 0), /* EH pending */
        ATA_PFLAG_EH_IN_PROGRESS = (1 << 1), /* EH in progress */
@@ -225,6 +226,9 @@ enum {
        ATA_PFLAG_PM_PENDING    = (1 << 18), /* PM operation pending */
        ATA_PFLAG_INIT_GTM_VALID = (1 << 19), /* initial gtm data valid */
 
+       ATA_PFLAG_PIO32         = (1 << 20),  /* 32bit PIO */
+       ATA_PFLAG_PIO32CHANGE   = (1 << 21),  /* 32bit PIO can be turned on/off */
+
        /* struct ata_queued_cmd flags */
        ATA_QCFLAG_ACTIVE       = (1 << 0), /* cmd not yet ack'd to scsi lyer */
        ATA_QCFLAG_DMAMAP       = (1 << 1), /* SG table is DMA mapped */
@@ -275,7 +279,7 @@ enum {
         * advised to wait only for the following duration before
         * doing SRST.
         */
-       ATA_TMOUT_PMP_SRST_WAIT = 1000,
+       ATA_TMOUT_PMP_SRST_WAIT = 5000,
 
        /* ATA bus states */
        BUS_UNKNOWN             = 0,
@@ -379,7 +383,10 @@ enum {
        ATA_HORKAGE_BRIDGE_OK   = (1 << 10),    /* no bridge limits */
        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_FIRMWARE_WARN = (1 << 12),  /* firmware update warning */
+       ATA_HORKAGE_1_5_GBPS    = (1 << 13),    /* force 1.5 Gbps */
+       ATA_HORKAGE_NOSETXFER   = (1 << 14),    /* skip SETXFER, SATA only */
+       ATA_HORKAGE_BROKEN_FPDMA_AA     = (1 << 15),    /* skip AA */
 
         /* DMA mask for user DMA control: User visible values; DO NOT
            renumber */
@@ -411,6 +418,15 @@ enum {
                                  ATA_TIMING_ACTIVE | ATA_TIMING_RECOVER |
                                  ATA_TIMING_DMACK_HOLD | ATA_TIMING_CYCLE |
                                  ATA_TIMING_UDMA,
+
+       /* ACPI constants */
+       ATA_ACPI_FILTER_SETXFER = 1 << 0,
+       ATA_ACPI_FILTER_LOCK    = 1 << 1,
+       ATA_ACPI_FILTER_DIPM    = 1 << 2,
+
+       ATA_ACPI_FILTER_DEFAULT = ATA_ACPI_FILTER_SETXFER |
+                                 ATA_ACPI_FILTER_LOCK |
+                                 ATA_ACPI_FILTER_DIPM,
 };
 
 enum ata_xfer_mask {
@@ -529,6 +545,7 @@ struct ata_queued_cmd {
        unsigned long           flags;          /* ATA_QCFLAG_xxx */
        unsigned int            tag;
        unsigned int            n_elem;
+       unsigned int            orig_n_elem;
 
        int                     dma_dir;
 
@@ -582,6 +599,7 @@ struct ata_device {
 #endif
        /* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */
        u64                     n_sectors;      /* size of device, if ATA */
+       u64                     n_native_sectors; /* native size, if ATA */
        unsigned int            class;          /* ATA_DEV_xxx */
        unsigned long           unpark_deadline;
 
@@ -687,7 +705,10 @@ struct ata_port {
        struct Scsi_Host        *scsi_host; /* our co-allocated scsi host */
        struct ata_port_operations *ops;
        spinlock_t              *lock;
+       /* Flags owned by the EH context. Only EH should touch these once the
+          port is active */
        unsigned long           flags;  /* ATA_FLAG_xxx */
+       /* Flags that change dynamically, protected by ap->lock */
        unsigned int            pflags; /* ATA_PFLAG_xxx */
        unsigned int            print_id; /* user visible unique port ID */
        unsigned int            port_no; /* 0 based port no. inside the host */
@@ -749,7 +770,8 @@ struct ata_port {
        acpi_handle             acpi_handle;
        struct ata_acpi_gtm     __acpi_init_gtm; /* use ata_acpi_init_gtm() */
 #endif
-       u8                      sector_buf[ATA_SECT_SIZE]; /* owned by EH */
+       /* owned by EH */
+       u8                      sector_buf[ATA_SECT_SIZE] ____cacheline_aligned;
 };
 
 /* The following initializer overrides a method to NULL whether one of
@@ -792,6 +814,7 @@ struct ata_port_operations {
        ata_reset_fn_t          pmp_hardreset;
        ata_postreset_fn_t      pmp_postreset;
        void (*error_handler)(struct ata_port *ap);
+       void (*lost_interrupt)(struct ata_port *ap);
        void (*post_internal_cmd)(struct ata_queued_cmd *qc);
 
        /*
@@ -833,6 +856,8 @@ struct ata_port_operations {
        void (*bmdma_start)(struct ata_queued_cmd *qc);
        void (*bmdma_stop)(struct ata_queued_cmd *qc);
        u8   (*bmdma_status)(struct ata_port *ap);
+
+       void (*drain_fifo)(struct ata_queued_cmd *qc);
 #endif /* CONFIG_ATA_SFF */
 
        ssize_t (*em_show)(struct ata_port *ap, char *buf);
@@ -1005,6 +1030,9 @@ extern int ata_cable_sata(struct ata_port *ap);
 extern int ata_cable_ignore(struct ata_port *ap);
 extern int ata_cable_unknown(struct ata_port *ap);
 
+extern void ata_pio_queue_task(struct ata_port *ap, void *data,
+                              unsigned long delay);
+
 /* Timing helpers */
 extern unsigned int ata_pio_need_iordy(const struct ata_device *);
 extern const struct ata_timing *ata_timing_find_mode(u8 xfer_mode);
@@ -1569,6 +1597,7 @@ extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc);
 extern unsigned int ata_sff_host_intr(struct ata_port *ap,
                                      struct ata_queued_cmd *qc);
 extern irqreturn_t ata_sff_interrupt(int irq, void *dev_instance);
+extern void ata_sff_lost_interrupt(struct ata_port *ap);
 extern void ata_sff_freeze(struct ata_port *ap);
 extern void ata_sff_thaw(struct ata_port *ap);
 extern int ata_sff_prereset(struct ata_link *link, unsigned long deadline);
@@ -1581,9 +1610,11 @@ extern int ata_sff_softreset(struct ata_link *link, unsigned int *classes,
 extern int sata_sff_hardreset(struct ata_link *link, unsigned int *class,
                               unsigned long deadline);
 extern void ata_sff_postreset(struct ata_link *link, unsigned int *classes);
+extern void ata_sff_drain_fifo(struct ata_queued_cmd *qc);
 extern void ata_sff_error_handler(struct ata_port *ap);
 extern void ata_sff_post_internal_cmd(struct ata_queued_cmd *qc);
 extern int ata_sff_port_start(struct ata_port *ap);
+extern int ata_sff_port_start32(struct ata_port *ap);
 extern void ata_sff_std_ports(struct ata_ioports *ioaddr);
 extern unsigned long ata_bmdma_mode_filter(struct ata_device *dev,
                                           unsigned long xfer_mask);