diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/libata.h | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index a4cce9936a8..0ba3af7a123 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -172,6 +172,13 @@ enum hsm_task_states { HSM_ST_ERR, }; +enum ata_completion_errors { + AC_ERR_OTHER = (1 << 0), + AC_ERR_DEV = (1 << 1), + AC_ERR_ATA_BUS = (1 << 2), + AC_ERR_HOST_BUS = (1 << 3), +}; + /* forward declarations */ struct scsi_device; struct ata_port_operations; @@ -179,7 +186,7 @@ struct ata_port; struct ata_queued_cmd; /* typedefs */ -typedef int (*ata_qc_cb_t) (struct ata_queued_cmd *qc, u8 drv_stat); +typedef int (*ata_qc_cb_t) (struct ata_queued_cmd *qc, unsigned int err_mask); struct ata_ioports { unsigned long cmd_addr; @@ -453,7 +460,7 @@ 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, u8 drv_stat); +extern void ata_qc_complete(struct ata_queued_cmd *qc, unsigned int err_mask); extern void ata_eng_timeout(struct ata_port *ap); extern void ata_scsi_simulate(u16 *id, struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *)); @@ -716,4 +723,21 @@ static inline int ata_try_flush_cache(const struct ata_device *dev) ata_id_has_flush_ext(dev->id); } +static inline unsigned int ac_err_mask(u8 status) +{ + if (status & ATA_BUSY) + return AC_ERR_ATA_BUS; + if (status & (ATA_ERR | ATA_DF)) + return AC_ERR_DEV; + return 0; +} + +static inline unsigned int __ac_err_mask(u8 status) +{ + unsigned int mask = ac_err_mask(status); + if (mask == 0) + return AC_ERR_OTHER; + return mask; +} + #endif /* __LINUX_LIBATA_H__ */ |