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 */
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_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 */
/* 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 */
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 */
* 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,
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 */
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,
+
+ /* ACPI constants */
+ ATA_ACPI_FILTER_SETXFER = 1 << 0,
+ ATA_ACPI_FILTER_LOCK = 1 << 1,
+ ATA_ACPI_FILTER_DIPM = 1 << 2,
+ ATA_ACPI_FILTER_FPDMA_OFFSET = 1 << 3, /* FPDMA non-zero offset */
+ ATA_ACPI_FILTER_FPDMA_AA = 1 << 4, /* FPDMA auto activate */
+
+ ATA_ACPI_FILTER_DEFAULT = ATA_ACPI_FILTER_SETXFER |
+ ATA_ACPI_FILTER_LOCK |
+ ATA_ACPI_FILTER_DIPM,
};
enum ata_xfer_mask {
unsigned long flags; /* ATA_QCFLAG_xxx */
unsigned int tag;
unsigned int n_elem;
+ unsigned int orig_n_elem;
int dma_dir;
#ifdef CONFIG_ATA_ACPI
acpi_handle acpi_handle;
union acpi_object *gtf_cache;
+ unsigned int gtf_filter;
#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 */
+ u64 n_native_sectors; /* native size, if ATA */
unsigned int class; /* ATA_DEV_xxx */
unsigned long unpark_deadline;
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 */
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 */
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
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);
/*
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);
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 */
};
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);
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);
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);
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff