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scsi: hpsa: add enclosure logical identifier

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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>
This commit is contained in:
Don Brace 2017-10-20 16:52:10 -05:00 committed by Martin K. Petersen
parent 0ff365f51a
commit 0a7c3bb895
1 changed files with 67 additions and 2 deletions
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69
drivers/scsi/hpsa.c
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@ -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;
}