#define BPRINTK(fmt, args...) if (ap->flags & ATA_FLAG_DEBUGMSG) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args)
-#ifdef ATA_NDEBUG
-#define assert(expr)
-#else
-#define assert(expr) \
- if(unlikely(!(expr))) { \
- printk(KERN_ERR "Assertion failed! %s,%s,%s,line=%d\n", \
- #expr,__FILE__,__FUNCTION__,__LINE__); \
- }
-#endif
-
/* NEW: debug levels */
#define HAVE_LIBATA_MSG 1
/* struct ata_device stuff */
ATA_DFLAG_LBA48 = (1 << 0), /* device supports LBA48 */
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_LBA = (1 << 2), /* device supports LBA */
ATA_DEV_UNKNOWN = 0, /* unknown device */
ATA_DEV_ATA = 1, /* ATA device */
ATA_QCFLAG_SG = (1 << 3), /* have s/g table? */
ATA_QCFLAG_SINGLE = (1 << 4), /* no s/g, just a single buffer */
ATA_QCFLAG_DMAMAP = ATA_QCFLAG_SG | ATA_QCFLAG_SINGLE,
+ ATA_QCFLAG_EH_SCHEDULED = (1 << 5), /* EH scheduled */
/* various lengths of time */
ATA_TMOUT_EDD = 5 * HZ, /* heuristic */
/* typedefs */
typedef void (*ata_qc_cb_t) (struct ata_queued_cmd *qc);
+typedef void (*ata_probeinit_fn_t)(struct ata_port *);
typedef int (*ata_reset_fn_t)(struct ata_port *, int, unsigned int *);
typedef void (*ata_postreset_fn_t)(struct ata_port *ap, unsigned int *);
unsigned int multi_count; /* sectors count for
READ/WRITE MULTIPLE */
+ unsigned int max_sectors; /* per-device max sectors */
+ unsigned int cdb_len;
/* for CHS addressing */
u16 cylinders; /* Number of cylinders */
unsigned int mwdma_mask;
unsigned int udma_mask;
unsigned int cbl; /* cable type; ATA_CBL_xxx */
- unsigned int cdb_len;
struct ata_device device[ATA_MAX_DEVICES];
extern void sata_phy_reset(struct ata_port *ap);
extern void ata_bus_reset(struct ata_port *ap);
extern int ata_drive_probe_reset(struct ata_port *ap,
+ ata_probeinit_fn_t probeinit,
ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
ata_postreset_fn_t postreset, unsigned int *classes);
+extern void ata_std_probeinit(struct ata_port *ap);
extern int ata_std_softreset(struct ata_port *ap, int verbose,
unsigned int *classes);
extern int sata_std_hardreset(struct ata_port *ap, int verbose,
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 enum scsi_eh_timer_return ata_scsi_timed_out(struct scsi_cmnd *cmd);
extern int ata_scsi_error(struct Scsi_Host *host);
extern void ata_eh_qc_complete(struct ata_queued_cmd *qc);
extern void ata_eh_qc_retry(struct ata_queued_cmd *qc);
extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
unsigned int n_elem);
extern unsigned int ata_dev_classify(const struct ata_taskfile *tf);
-extern void ata_dev_id_string(const u16 *id, unsigned char *s,
- unsigned int ofs, unsigned int len);
+extern void ata_id_string(const u16 *id, unsigned char *s,
+ unsigned int ofs, unsigned int len);
+extern void ata_id_c_string(const u16 *id, unsigned char *s,
+ unsigned int ofs, unsigned int len);
extern void ata_dev_config(struct ata_port *ap, unsigned int i);
extern void ata_bmdma_setup (struct ata_queued_cmd *qc);
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);
+extern void __ata_qc_complete(struct ata_queued_cmd *qc);
extern void ata_eng_timeout(struct ata_port *ap);
extern void ata_scsi_simulate(struct ata_port *ap, struct ata_device *dev,
struct scsi_cmnd *cmd,
return 0;
}
+static inline struct scatterlist *
+ata_qc_first_sg(struct ata_queued_cmd *qc)
+{
+ if (qc->n_elem)
+ return qc->__sg;
+ if (qc->pad_len)
+ return &qc->pad_sgent;
+ return NULL;
+}
+
static inline struct scatterlist *
ata_qc_next_sg(struct scatterlist *sg, struct ata_queued_cmd *qc)
{
return NULL;
if (++sg - qc->__sg < qc->n_elem)
return sg;
- return qc->pad_len ? &qc->pad_sgent : NULL;
+ if (qc->pad_len)
+ return &qc->pad_sgent;
+ return NULL;
}
#define ata_for_each_sg(sg, qc) \
- for (sg = qc->__sg; sg; sg = ata_qc_next_sg(sg, qc))
+ for (sg = ata_qc_first_sg(qc); sg; sg = ata_qc_next_sg(sg, qc))
static inline unsigned int ata_tag_valid(unsigned int tag)
{
ata_tf_init(qc->ap, &qc->tf, qc->dev->devno);
}
+/**
+ * ata_qc_complete - Complete an active ATA command
+ * @qc: Command to complete
+ * @err_mask: ATA Status register contents
+ *
+ * Indicate to the mid and upper layers that an ATA
+ * command has completed, with either an ok or not-ok status.
+ *
+ * LOCKING:
+ * spin_lock_irqsave(host_set lock)
+ */
+static inline void ata_qc_complete(struct ata_queued_cmd *qc)
+{
+ if (unlikely(qc->flags & ATA_QCFLAG_EH_SCHEDULED))
+ return;
+
+ __ata_qc_complete(qc);
+}
/**
* ata_irq_on - Enable interrupts on a port.
git.samba.org / sfrench / cifs-2.6.git / blobdiff