diff options
| author | Matthew Wilcox <matthew@wil.cx> | 2008-06-19 10:02:58 -0600 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-07-12 08:22:30 -0500 |
| commit | eac6e8e449647cbb9efee53977c8bfee0aa7d69e (patch) | |
| tree | fa6ffb7b45f8b99fd139a9993629f9e43119d00f | |
| parent | f80f868ec463b0463b332cdb704fe5438f013f98 (diff) | |
[SCSI] scsi_debug: add support for rotation speed
Add support for VPD page b1 to scsi_debug
SCSI VPD page b1 reports the nominal rotation speed of the device.
Since scsi_debug is ram-based, claim to be a non-rotating medium.
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| -rw-r--r-- | drivers/scsi/scsi_debug.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 3901125455c9..01d11a01ffbf 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -643,6 +643,14 @@ static int inquiry_evpd_b0(unsigned char * arr) return sizeof(vpdb0_data); } +static int inquiry_evpd_b1(unsigned char *arr) +{ + memset(arr, 0, 0x3c); + arr[0] = 0; + arr[1] = 1; + + return 0x3c; +} #define SDEBUG_LONG_INQ_SZ 96 #define SDEBUG_MAX_INQ_ARR_SZ 584 @@ -698,6 +706,7 @@ static int resp_inquiry(struct scsi_cmnd * scp, int target, arr[n++] = 0x88; /* SCSI ports */ arr[n++] = 0x89; /* ATA information */ arr[n++] = 0xb0; /* Block limits (SBC) */ + arr[n++] = 0xb1; /* Block characteristics (SBC) */ arr[3] = n - 4; /* number of supported VPD pages */ } else if (0x80 == cmd[2]) { /* unit serial number */ arr[1] = cmd[2]; /*sanity */ @@ -737,6 +746,9 @@ static int resp_inquiry(struct scsi_cmnd * scp, int target, } else if (0xb0 == cmd[2]) { /* Block limits (SBC) */ arr[1] = cmd[2]; /*sanity */ arr[3] = inquiry_evpd_b0(&arr[4]); + } else if (0xb1 == cmd[2]) { /* Block characteristics (SBC) */ + arr[1] = cmd[2]; /*sanity */ + arr[3] = inquiry_evpd_b1(&arr[4]); } else { /* Illegal request, invalid field in cdb */ mk_sense_buffer(devip, ILLEGAL_REQUEST, |