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authorDon Brace <don.brace@microsemi.com>2017-10-21 00:52:10 +0300
committerMartin K. Petersen <martin.petersen@oracle.com>2017-10-25 11:55:21 +0300
commit0a7c3bb8951278aae25b3b53eb5f97cca4147cf3 (patch)
treef4242ec6fef0cb4d78b1e398d69f06225d963451 /drivers/scsi/hpsa.c
parent0ff365f51a4290a63f1044c599df98196223d4bc (diff)
downloadlinux-0a7c3bb8951278aae25b3b53eb5f97cca4147cf3.tar.xz
scsi: hpsa: add enclosure logical identifier
Add support for enclosure logical identifier Reviewed-by: Scott Benesh <scott.benesh@microsemi.com> Reviewed-by: Scott Teel <scott.teel@microsemi.com> Reviewed-by: Kevin Barnett <kevin.barnett@microsemi.com> Signed-off-by: Don Brace <don.brace@microsemi.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/hpsa.c')
-rw-r--r--drivers/scsi/hpsa.c69
1 files changed, 67 insertions, 2 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c
index a536ed620e6e..5428a4cbbded 100644
--- a/drivers/scsi/hpsa.c
+++ b/drivers/scsi/hpsa.c
@@ -2965,6 +2965,57 @@ static void hpsa_scsi_interpret_error(struct ctlr_info *h,
}
}
+static int hpsa_do_receive_diagnostic(struct ctlr_info *h, u8 *scsi3addr,
+ u8 page, u8 *buf, size_t bufsize)
+{
+ int rc = IO_OK;
+ struct CommandList *c;
+ struct ErrorInfo *ei;
+
+ c = cmd_alloc(h);
+ if (fill_cmd(c, RECEIVE_DIAGNOSTIC, h, buf, bufsize,
+ page, scsi3addr, TYPE_CMD)) {
+ rc = -1;
+ goto out;
+ }
+ rc = hpsa_scsi_do_simple_cmd_with_retry(h, c,
+ PCI_DMA_FROMDEVICE, NO_TIMEOUT);
+ if (rc)
+ goto out;
+ ei = c->err_info;
+ if (ei->CommandStatus != 0 && ei->CommandStatus != CMD_DATA_UNDERRUN) {
+ hpsa_scsi_interpret_error(h, c);
+ rc = -1;
+ }
+out:
+ cmd_free(h, c);
+ return rc;
+}
+
+static u64 hpsa_get_enclosure_logical_identifier(struct ctlr_info *h,
+ u8 *scsi3addr)
+{
+ u8 *buf;
+ u64 sa = 0;
+ int rc = 0;
+
+ buf = kzalloc(1024, GFP_KERNEL);
+ if (!buf)
+ return 0;
+
+ rc = hpsa_do_receive_diagnostic(h, scsi3addr, RECEIVE_DIAGNOSTIC,
+ buf, 1024);
+
+ if (rc)
+ goto out;
+
+ sa = get_unaligned_be64(buf+12);
+
+out:
+ kfree(buf);
+ return sa;
+}
+
static int hpsa_scsi_do_inquiry(struct ctlr_info *h, unsigned char *scsi3addr,
u16 page, unsigned char *buf,
unsigned char bufsize)
@@ -3400,6 +3451,9 @@ static void hpsa_get_enclosure_info(struct ctlr_info *h,
bmic_device_index = GET_BMIC_DRIVE_NUMBER(&rle->lunid[0]);
+ encl_dev->sas_address =
+ hpsa_get_enclosure_logical_identifier(h, scsi3addr);
+
if (encl_dev->target == -1 || encl_dev->lun == -1) {
rc = IO_OK;
goto out;
@@ -6571,6 +6625,17 @@ static int fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
c->Request.CDB[0] = HPSA_INQUIRY;
c->Request.CDB[4] = size & 0xFF;
break;
+ case RECEIVE_DIAGNOSTIC:
+ c->Request.CDBLen = 6;
+ c->Request.type_attr_dir =
+ TYPE_ATTR_DIR(cmd_type, ATTR_SIMPLE, XFER_READ);
+ c->Request.Timeout = 0;
+ c->Request.CDB[0] = cmd;
+ c->Request.CDB[1] = 1;
+ c->Request.CDB[2] = 1;
+ c->Request.CDB[3] = (size >> 8) & 0xFF;
+ c->Request.CDB[4] = size & 0xFF;
+ break;
case HPSA_REPORT_LOG:
case HPSA_REPORT_PHYS:
/* Talking to controller so It's a physical command
@@ -9508,7 +9573,7 @@ static int hpsa_add_sas_host(struct ctlr_info *h)
struct hpsa_sas_port *hpsa_sas_port;
struct hpsa_sas_phy *hpsa_sas_phy;
- parent_dev = &h->scsi_host->shost_gendev;
+ parent_dev = &h->scsi_host->shost_dev;
hpsa_sas_node = hpsa_alloc_sas_node(parent_dev);
if (!hpsa_sas_node)
@@ -9599,7 +9664,7 @@ hpsa_sas_get_linkerrors(struct sas_phy *phy)
static int
hpsa_sas_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier)
{
- *identifier = 0;
+ *identifier = rphy->identify.sas_address;
return 0;
}