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| author | mav <mav@FreeBSD.org> | 2014-04-23 19:50:35 +0000 |
|---|---|---|
| committer | mav <mav@FreeBSD.org> | 2014-04-23 19:50:35 +0000 |
| commit | e01028375011818cc601dca482b86bc3b66eedeb (patch) | |
| tree | 4ba0ac28ffef08f16dfa5bb4789a62a60c6b9308 | |
| parent | 1dec6146dd15c44aff5a44672273ad228edc167e (diff) | |
| download | FreeBSD-src-e01028375011818cc601dca482b86bc3b66eedeb.zip FreeBSD-src-e01028375011818cc601dca482b86bc3b66eedeb.tar.gz | |
Disable UNMAP support for STEC 842 SSDs.
In some unknown cases UNMAP commands make device firmware stuck.
MFC after: 2 weeks
| -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 09cd8ac..2faa8dd 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) */ { /* @@ -3202,7 +3210,7 @@ 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 @@ -3412,7 +3420,8 @@ dadone(struct cam_periph *periph, union ccb *done_ccb) 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( |
