diff options
| author | Douglas Gilbert <dougg@torque.net> | 2005-10-09 08:55:41 -0400 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@pobox.com> | 2005-10-09 08:55:41 -0400 |
| commit | 845c5834d0aa60eb1588397696e7fabbaab2d3b0 (patch) | |
| tree | 963d4a2c132273cf6df68a3846326a08cdbe17f4 /drivers/scsi | |
| parent | d95300758bed9e0f783f3e3b4fd037bf0a21abe0 (diff) | |
[libata scsi] add ata_scsi_set_sense helper
- add extern ata_scsi_set_sense() to build SCSI
fixed sense data and corresponding SCSI status
Signed-off-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/libata-scsi.c | 28 | ||||
| -rw-r--r-- | drivers/scsi/libata.h | 2 |
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c index 1c3a10fb3c4..bca9a5016b1 100644 --- a/drivers/scsi/libata-scsi.c +++ b/drivers/scsi/libata-scsi.c @@ -1451,6 +1451,34 @@ unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf, } /** + * ata_scsi_set_sense - Set SCSI sense data and status + * @cmd: SCSI request to be handled + * @sk: SCSI-defined sense key + * @asc: SCSI-defined additional sense code + * @ascq: SCSI-defined additional sense code qualifier + * + * Helper function that builds a valid fixed format, current + * response code and the given sense key (sk), additional sense + * code (asc) and additional sense code qualifier (ascq) with + * a SCSI command status of %SAM_STAT_CHECK_CONDITION and + * DRIVER_SENSE set in the upper bits of scsi_cmnd::result . + * + * LOCKING: + * Not required + */ + +void ata_scsi_set_sense(struct scsi_cmnd *cmd, u8 sk, u8 asc, u8 ascq) +{ + cmd->result = (DRIVER_SENSE << 24) | SAM_STAT_CHECK_CONDITION; + + cmd->sense_buffer[0] = 0x70; /* fixed format, current */ + cmd->sense_buffer[2] = sk; + cmd->sense_buffer[7] = 18 - 8; /* additional sense length */ + cmd->sense_buffer[12] = asc; + cmd->sense_buffer[13] = ascq; +} + +/** * ata_scsi_badcmd - End a SCSI request with an error * @cmd: SCSI request to be handled * @done: SCSI command completion function diff --git a/drivers/scsi/libata.h b/drivers/scsi/libata.h index a4b55dc9c69..4622e643ffd 100644 --- a/drivers/scsi/libata.h +++ b/drivers/scsi/libata.h @@ -80,6 +80,8 @@ extern unsigned int ata_scsiop_report_luns(struct ata_scsi_args *args, u8 *rbuf, extern void ata_scsi_badcmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *), u8 asc, u8 ascq); +extern void ata_scsi_set_sense(struct scsi_cmnd *cmd, + u8 sk, u8 asc, u8 ascq); extern void ata_scsi_rbuf_fill(struct ata_scsi_args *args, unsigned int (*actor) (struct ata_scsi_args *args, u8 *rbuf, unsigned int buflen)); |