xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

libata: Include WWN ID in inquiry VPD emulation

Browse Source 
As per SAT-3 the WWN ID should be included in the VPD page 0x83
(device identification) emulation.

Signed-off-by: Hannes Reinecke <hare@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
This commit is contained in:
Hannes Reinecke
2011-03-07 08:56:44 +01:00
committed by Jeff Garzik
parent 60a230e4a6
commit 6b3b9d73e0
2 changed files with 18 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/ata/libata-scsi.c
View File

@@ -2056,6 +2056,17 @@ static unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf)
ATA_ID_SERNO_LEN);
num += ATA_ID_SERNO_LEN;
if (ata_id_has_wwn(args->id)) {
/* SAT defined lu world wide name */
/* piv=0, assoc=lu, code_set=binary, designator=NAA */
rbuf[num + 0] = 1;
rbuf[num + 1] = 3;
rbuf[num + 3] = ATA_ID_WWN_LEN;
num += 4;
ata_id_string(args->id, (unsigned char *) rbuf + num,
ATA_ID_WWN, ATA_ID_WWN_LEN);
num += ATA_ID_WWN_LEN;
}
rbuf[3] = num - 4; /* page len (assume less than 256 bytes) */
return 0;
}