diff options
Diffstat (limited to 'include/linux/libata.h')
| -rw-r--r-- | include/linux/libata.h | 35 |
1 files changed, 11 insertions, 24 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h index a05f6001364..37ee881c42a 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -295,6 +295,7 @@ enum { ATA_EH_SOFTRESET = (1 << 1), ATA_EH_HARDRESET = (1 << 2), ATA_EH_ENABLE_LINK = (1 << 3), + ATA_EH_LPM = (1 << 4), /* link power management action */ ATA_EH_RESET_MASK = ATA_EH_SOFTRESET | ATA_EH_HARDRESET, ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE, @@ -304,7 +305,6 @@ enum { ATA_EHI_RESUME_LINK = (1 << 1), /* resume link (reset modifier) */ ATA_EHI_NO_AUTOPSY = (1 << 2), /* no autopsy */ ATA_EHI_QUIET = (1 << 3), /* be quiet */ - ATA_EHI_LPM = (1 << 4), /* link power management action */ ATA_EHI_DID_SOFTRESET = (1 << 16), /* already soft-reset this port */ ATA_EHI_DID_HARDRESET = (1 << 17), /* already soft-reset this port */ @@ -350,7 +350,8 @@ enum { ATAPI_READ = 0, /* READs */ ATAPI_WRITE = 1, /* WRITEs */ ATAPI_READ_CD = 2, /* READ CD [MSF] */ - ATAPI_MISC = 3, /* the rest */ + ATAPI_PASS_THRU = 3, /* SAT pass-thru */ + ATAPI_MISC = 4, /* the rest */ }; enum ata_xfer_mask { @@ -463,6 +464,7 @@ struct ata_queued_cmd { unsigned int sect_size; unsigned int nbytes; + unsigned int extrabytes; unsigned int curbytes; struct scatterlist *cursg; @@ -848,6 +850,7 @@ extern unsigned int ata_dev_try_classify(struct ata_device *dev, int present, */ extern void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf); extern void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf); +extern int atapi_cmd_type(u8 opcode); extern void ata_tf_to_fis(const struct ata_taskfile *tf, u8 pmp, int is_cmd, u8 *fis); extern void ata_tf_from_fis(const u8 *fis, struct ata_taskfile *tf); @@ -1336,6 +1339,11 @@ static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap, return NULL; } +static inline unsigned int ata_qc_raw_nbytes(struct ata_queued_cmd *qc) +{ + return qc->nbytes - min(qc->extrabytes, qc->nbytes); +} + static inline void ata_tf_init(struct ata_device *dev, struct ata_taskfile *tf) { memset(tf, 0, sizeof(*tf)); @@ -1354,7 +1362,7 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc) qc->flags = 0; qc->cursg = NULL; qc->cursg_ofs = 0; - qc->nbytes = qc->curbytes = 0; + qc->nbytes = qc->extrabytes = qc->curbytes = 0; qc->n_elem = 0; qc->err_mask = 0; qc->sect_size = ATA_SECT_SIZE; @@ -1373,27 +1381,6 @@ static inline int ata_try_flush_cache(const struct ata_device *dev) ata_id_has_flush_ext(dev->id); } -static inline int atapi_cmd_type(u8 opcode) -{ - switch (opcode) { - case GPCMD_READ_10: - case GPCMD_READ_12: - return ATAPI_READ; - - case GPCMD_WRITE_10: - case GPCMD_WRITE_12: - case GPCMD_WRITE_AND_VERIFY_10: - return ATAPI_WRITE; - - case GPCMD_READ_CD: - case GPCMD_READ_CD_MSF: - return ATAPI_READ_CD; - - default: - return ATAPI_MISC; - } -} - static inline unsigned int ac_err_mask(u8 status) { if (status & (ATA_BUSY | ATA_DRQ)) |