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authorBoaz Harrosh <bharrosh@panasas.com>2009-01-25 17:13:38 +0200
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2009-03-12 12:58:08 -0500
commit1b9dce94c8a24a3f1a01fcdf688f2d903b32acdf (patch)
treec0e17494a5eb8f8701d3674afff26b91ccf593b3 /drivers/scsi/osd/osd_uld.c
parentc6572c983726fe3f3bb5f07e9afe3a9b8e402d1b (diff)
downloadop-kernel-dev-1b9dce94c8a24a3f1a01fcdf688f2d903b32acdf.zip
op-kernel-dev-1b9dce94c8a24a3f1a01fcdf688f2d903b32acdf.tar.gz
[SCSI] libosd: OSDv2 auto detection
Auto detect an OSDv2 or OSDv1 target at run time. Note how none of the OSD API calls change. The tests do not know what device version it is. This test now passes against both the IBM-OSD-SIM OSD1 target as well as OSC's OSD2 target. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Reviewed-by: Benny Halevy <bhalevy@panasas.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/osd/osd_uld.c')
-rw-r--r--drivers/scsi/osd/osd_uld.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c
index cd4ca7c..f8b1a74 100644
--- a/drivers/scsi/osd/osd_uld.c
+++ b/drivers/scsi/osd/osd_uld.c
@@ -243,6 +243,7 @@ EXPORT_SYMBOL(osduld_put_device);
static int __detect_osd(struct osd_uld_device *oud)
{
struct scsi_device *scsi_device = oud->od.scsi_device;
+ char caps[OSD_CAP_LEN];
int error;
/* sending a test_unit_ready as first command seems to be needed
@@ -254,6 +255,10 @@ static int __detect_osd(struct osd_uld_device *oud)
if (error)
OSD_ERR("warning: scsi_test_unit_ready failed\n");
+ osd_sec_init_nosec_doall_caps(caps, &osd_root_object, false, true);
+ if (osd_auto_detect_ver(&oud->od, caps))
+ return -ENODEV;
+
return 0;
}
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