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Detect unsupported PREVENT ALLOW MEDIUM REMOVAL and SYNCHRONIZE CACHE(10)

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to not spam devices with useless commands and logs with errors.
This commit is contained in:
Alexander Motin 2013-07-27 22:19:34 +00:00
parent 6e660824a8
commit 196619d9cc
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=253721
1 changed files with 24 additions and 0 deletions
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24
sys/cam/scsi/scsi_da.c
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@ -535,6 +535,7 @@ static struct da_quirk_entry da_quirk_table[] =
{T_DIRECT, SIP_MEDIA_REMOVABLE, "TOSHIBA", "TransMemory",
"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
},
#if 0
{
/*
* PNY USB Flash keys
@ -543,6 +544,7 @@ static struct da_quirk_entry da_quirk_table[] =
{T_DIRECT, SIP_MEDIA_REMOVABLE, "*" , "USB DISK*",
"*"}, /*quirks*/ DA_Q_NO_SYNC_CACHE
},
#endif
{
/*
* Genesys 6-in-1 Card Reader
@ -2786,6 +2788,28 @@ cmd6workaround(union ccb *ccb)
return (0);
}
/* Detect unsupported PREVENT ALLOW MEDIUM REMOVAL. */
if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
(*cdb == PREVENT_ALLOW) &&
(softc->quirks & DA_Q_NO_PREVENT) == 0) {
if (bootverbose)
xpt_print(ccb->ccb_h.path,
"PREVENT ALLOW MEDIUM REMOVAL not supported.\n");
softc->quirks |= DA_Q_NO_PREVENT;
return (0);
}
/* Detect unsupported SYNCHRONIZE CACHE(10). */
if ((ccb->ccb_h.flags & CAM_CDB_POINTER) == 0 &&
(*cdb == SYNCHRONIZE_CACHE) &&
(softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) {
if (bootverbose)
xpt_print(ccb->ccb_h.path,
"SYNCHRONIZE CACHE(10) not supported.\n");
softc->quirks |= DA_Q_NO_SYNC_CACHE;
return (0);
}
/* Translation only possible if CDB is an array and cmd is R/W6 */
if ((ccb->ccb_h.flags & CAM_CDB_POINTER) != 0 ||
(*cdb != READ_6 && *cdb != WRITE_6))