diff options
| author | mav <mav@FreeBSD.org> | 2014-05-08 07:05:19 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2014-05-08 07:05:19 +0000 |
| commit | df5d1f3a9b84d987fd5924215ee85f4658b479bd (patch) | |
| tree | b40a2e71eea5ed712a1d0c91dcdf0807725be159 /sys/cam/scsi | |
| parent | 1252c77788f228a54fca8f68252073390d5cbfd0 (diff) | |
| download | FreeBSD-src-df5d1f3a9b84d987fd5924215ee85f4658b479bd.zip FreeBSD-src-df5d1f3a9b84d987fd5924215ee85f4658b479bd.tar.gz | |
MFC r264834:
Disable UNMAP support for STEC 842 SSDs.
In some unknown cases UNMAP commands make device firmware stuck.
Diffstat (limited to 'sys/cam/scsi')
| -rw-r--r-- | sys/cam/scsi/scsi_da.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c index 0818f00..e1529bb 100644 --- a/sys/cam/scsi/scsi_da.c +++ b/sys/cam/scsi/scsi_da.c @@ -99,7 +99,8 @@ typedef enum { DA_Q_NO_6_BYTE = 0x02, DA_Q_NO_PREVENT = 0x04, DA_Q_4K = 0x08, - DA_Q_NO_RC16 = 0x10 + DA_Q_NO_RC16 = 0x10, + DA_Q_NO_UNMAP = 0x20 } da_quirks; #define DA_Q_BIT_STRING \ @@ -349,6 +350,13 @@ static struct da_quirk_entry da_quirk_table[] = {T_DIRECT, SIP_MEDIA_FIXED, "COMPAQ", "RAID*", "*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE }, + { + /* + * The STEC 842 sometimes hang on UNMAP. + */ + {T_DIRECT, SIP_MEDIA_FIXED, "STEC", "S842E800M2", "*"}, + /*quirks*/ DA_Q_NO_UNMAP + }, /* USB mass storage devices supported by umass(4) */ { /* @@ -3205,7 +3213,7 @@ dadone(struct cam_periph *periph, union ccb *done_ccb) /* Ensure re-probe doesn't see old delete. */ softc->delete_available = 0; - if (lbp) { + if (lbp && (softc->quirks & DA_Q_NO_UNMAP) == 0) { /* * Based on older SBC-3 spec revisions * any of the UNMAP methods "may" be @@ -3404,7 +3412,8 @@ dadone(struct cam_periph *periph, union ccb *done_ccb) if ((csio->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP) { for (i = 0; i < sizeof(*ata_params) / 2; i++) ptr[i] = le16toh(ptr[i]); - if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM) { + if (ata_params->support_dsm & ATA_SUPPORT_DSM_TRIM && + (softc->quirks & DA_Q_NO_UNMAP) == 0) { dadeleteflag(softc, DA_DELETE_ATA_TRIM, 1); if (ata_params->max_dsm_blocks != 0) softc->trim_max_ranges = min( |
