Older SmartArray controller do not support the extended REPORT PHYS
command, so fallback to use the legacy version here.
Signed-off-by: Hannes Reinecke <hare@xxxxxxxx>
---
drivers/scsi/hpsa.c | 28 ++++++++++++++++++++++++++--
1 file changed, 26 insertions(+), 2 deletions(-)
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index 488e17c..3d89f74 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -3628,8 +3628,32 @@ static int hpsa_scsi_do_report_luns(struct ctlr_info *h, int logical,
static inline int hpsa_scsi_do_report_phys_luns(struct ctlr_info *h,
struct ReportExtendedLUNdata *buf, int bufsize)
{
- return hpsa_scsi_do_report_luns(h, 0, buf, bufsize,
- HPSA_REPORT_PHYS_EXTENDED);
+ int rc;
+ struct ReportLUNdata *lbuf;
+
+ rc = hpsa_scsi_do_report_luns(h, 0, buf, bufsize,
+ HPSA_REPORT_PHYS_EXTENDED);
+ if (!rc || !hpsa_allow_any)
+ return rc;
+
+ /* REPORT PHYS EXTENDED is not supported */
+ lbuf = kzalloc(sizeof(*lbuf), GFP_KERNEL);
+ if (!lbuf)
+ return -ENOMEM;
+
+ rc = hpsa_scsi_do_report_luns(h, 0, lbuf, sizeof(*lbuf), 0);
+ if (!rc) {
+ int i;
+ u32 nphys;
+
+ /* Copy ReportLUNdata header */
+ memcpy(buf, lbuf, 8);
+ nphys = be32_to_cpu(*((__be32 *)lbuf->LUNListLength)) / 24;
+ for (i = 0; i < nphys; i++)
+ memcpy(buf->LUN[i].lunid, lbuf->LUN[i], 8);
+ }
+ kfree(lbuf);
+ return rc;
}
static inline int hpsa_scsi_do_report_log_luns(struct ctlr_info *h,
--
1.8.5.6
--
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