Merge branch 'upstream'

[sfrench/cifs-2.6.git] / include / linux / libata.h

diff --git a/include/linux/libata.h b/include/linux/libata.h
index 83a83babff8465a6494e28c3def5d3795608aa74..5aa8b133f011f0e8df9a0e42c815e1cf3be61be8 100644 (file)
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -101,6 +101,7 @@ enum {
        ATA_DFLAG_PIO           = (1 << 1), /* device currently in PIO mode */
        ATA_DFLAG_LOCK_SECTORS  = (1 << 2), /* don't adjust max_sectors */
        ATA_DFLAG_LBA           = (1 << 3), /* device supports LBA */
+       ATA_DFLAG_CDB_INTR      = (1 << 4), /* device asserts INTRQ when ready for CDB */
 
        ATA_DEV_UNKNOWN         = 0,    /* unknown device */
        ATA_DEV_ATA             = 1,    /* ATA device */
@@ -119,9 +120,12 @@ enum {
        ATA_FLAG_MMIO           = (1 << 6), /* use MMIO, not PIO */
        ATA_FLAG_SATA_RESET     = (1 << 7), /* use COMRESET */
        ATA_FLAG_PIO_DMA        = (1 << 8), /* PIO cmds via DMA */
-       ATA_FLAG_NOINTR         = (1 << 9), /* FIXME: Remove this once
-                                            * proper HSM is in place. */
+       ATA_FLAG_PIO_POLLING    = (1 << 9), /* use polling PIO if LLD
+                                            * doesn't handle PIO interrupts */
        ATA_FLAG_DEBUGMSG       = (1 << 10),
+       ATA_FLAG_NO_ATAPI       = (1 << 11), /* No ATAPI support */
+
+       ATA_FLAG_SUSPENDED      = (1 << 12), /* port is suspended */
 
        ATA_QCFLAG_ACTIVE       = (1 << 1), /* cmd not yet ack'd to scsi lyer */
        ATA_QCFLAG_SG           = (1 << 3), /* have s/g table? */
@@ -133,8 +137,12 @@ enum {
        ATA_TMOUT_PIO           = 30 * HZ,
        ATA_TMOUT_BOOT          = 30 * HZ,      /* hueristic */
        ATA_TMOUT_BOOT_QUICK    = 7 * HZ,       /* hueristic */
+       ATA_TMOUT_DATAOUT       = 30 * HZ,
+       ATA_TMOUT_DATAOUT_QUICK = 5 * HZ,
        ATA_TMOUT_CDB           = 30 * HZ,
        ATA_TMOUT_CDB_QUICK     = 5 * HZ,
+       ATA_TMOUT_INTERNAL      = 30 * HZ,
+       ATA_TMOUT_INTERNAL_QUICK = 5 * HZ,
 
        /* ATA bus states */
        BUS_UNKNOWN             = 0,
@@ -170,14 +178,16 @@ enum {
 };
 
 enum hsm_task_states {
-       HSM_ST_UNKNOWN,
-       HSM_ST_IDLE,
-       HSM_ST_POLL,
-       HSM_ST_TMOUT,
-       HSM_ST,
-       HSM_ST_LAST,
-       HSM_ST_LAST_POLL,
-       HSM_ST_ERR,
+       HSM_ST_UNKNOWN,         /* state unknown */
+       HSM_ST_IDLE,            /* no command on going */
+       HSM_ST_POLL,            /* same as HSM_ST, waits longer */
+       HSM_ST_TMOUT,           /* timeout */
+       HSM_ST,                 /* (waiting the device to) transfer data */
+       HSM_ST_LAST,            /* (waiting the device to) complete command */
+       HSM_ST_LAST_POLL,       /* same as HSM_ST_LAST, waits longer */
+       HSM_ST_ERR,             /* error */
+       HSM_ST_FIRST,           /* (waiting the device to)
+                                  write CDB or first data block */
 };
 
 enum ata_completion_errors {
@@ -194,7 +204,7 @@ struct ata_port;
 struct ata_queued_cmd;
 
 /* typedefs */
-typedef int (*ata_qc_cb_t) (struct ata_queued_cmd *qc, unsigned int err_mask);
+typedef int (*ata_qc_cb_t) (struct ata_queued_cmd *qc);
 
 struct ata_ioports {
        unsigned long           cmd_addr;
@@ -279,9 +289,9 @@ struct ata_queued_cmd {
        /* DO NOT iterate over __sg manually, use ata_for_each_sg() */
        struct scatterlist      *__sg;
 
-       ata_qc_cb_t             complete_fn;
+       unsigned int            err_mask;
 
-       struct completion       *waiting;
+       ata_qc_cb_t             complete_fn;
 
        void                    *private_data;
 };
@@ -345,8 +355,6 @@ struct ata_port {
        struct ata_host_stats   stats;
        struct ata_host_set     *host_set;
 
-       struct work_struct      packet_task;
-
        struct work_struct      pio_task;
        unsigned int            hsm_task_state;
        unsigned long           pio_task_timeout;
@@ -433,6 +441,8 @@ extern void ata_std_ports(struct ata_ioports *ioaddr);
 extern int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info,
                             unsigned int n_ports);
 extern void ata_pci_remove_one (struct pci_dev *pdev);
+extern int ata_pci_device_suspend(struct pci_dev *pdev, pm_message_t state);
+extern int ata_pci_device_resume(struct pci_dev *pdev);
 #endif /* CONFIG_PCI */
 extern int ata_device_add(const struct ata_probe_ent *ent);
 extern void ata_host_set_remove(struct ata_host_set *host_set);
@@ -442,6 +452,10 @@ extern int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmn
 extern int ata_scsi_error(struct Scsi_Host *host);
 extern int ata_scsi_release(struct Scsi_Host *host);
 extern unsigned int ata_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc);
+extern int ata_scsi_device_resume(struct scsi_device *);
+extern int ata_scsi_device_suspend(struct scsi_device *);
+extern int ata_device_resume(struct ata_port *, struct ata_device *);
+extern int ata_device_suspend(struct ata_port *, struct ata_device *);
 extern int ata_ratelimit(void);
 
 /*
@@ -475,9 +489,10 @@ extern void ata_bmdma_start (struct ata_queued_cmd *qc);
 extern void ata_bmdma_stop(struct ata_queued_cmd *qc);
 extern u8   ata_bmdma_status(struct ata_port *ap);
 extern void ata_bmdma_irq_clear(struct ata_port *ap);
-extern void ata_qc_complete(struct ata_queued_cmd *qc, unsigned int err_mask);
+extern void ata_qc_complete(struct ata_queued_cmd *qc);
 extern void ata_eng_timeout(struct ata_port *ap);
-extern void ata_scsi_simulate(u16 *id, struct scsi_cmnd *cmd,
+extern void ata_scsi_simulate(struct ata_port *ap, struct ata_device *dev,
+                             struct scsi_cmnd *cmd,
                              void (*done)(struct scsi_cmnd *));
 extern int ata_std_bios_param(struct scsi_device *sdev,
                              struct block_device *bdev,
@@ -487,6 +502,8 @@ extern int ata_scsi_slave_config(struct scsi_device *sdev);
 /*
  * Timing helpers
  */
+
+extern unsigned int ata_pio_need_iordy(const struct ata_device *);
 extern int ata_timing_compute(struct ata_device *, unsigned short,
                              struct ata_timing *, int, int);
 extern void ata_timing_merge(const struct ata_timing *,
@@ -667,6 +684,7 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
        qc->cursect = qc->cursg = qc->cursg_ofs = 0;
        qc->nsect = 0;
        qc->nbytes = qc->curbytes = 0;
+       qc->err_mask = 0;
 
        ata_tf_init(qc->ap, &qc->tf, qc->dev->devno);
 }