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hpsa: Add box and bay information for enclosure devices

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Adding a new method to display enclosure device information.

Reviewed-by: Justin Lindley <justin.lindley@pmcs.com>
Reviewed-by: Kevin Barnett <kevin.barnett@pmcs.com>
Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Don Brace 2015-12-22 10:36:48 -06:00 committed by Martin K. Petersen
parent 09371d623c
commit cca8f13b4f
2 changed files with 113 additions and 7 deletions
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107
drivers/scsi/hpsa.c
View File

@ -750,7 +750,6 @@ static ssize_t host_show_hp_ssd_smart_path_enabled(struct device *dev,
}
#define MAX_PATHS 8
static ssize_t path_info_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@ -792,9 +791,7 @@ static ssize_t path_info_show(struct device *dev,
hdev->bus, hdev->target, hdev->lun,
scsi_device_type(hdev->devtype));
if (hdev->external ||
hdev->devtype == TYPE_RAID ||
is_logical_device(hdev)) {
if (hdev->devtype == TYPE_RAID || is_logical_device(hdev)) {
output_len += scnprintf(buf + output_len,
PAGE_SIZE - output_len,
"%s\n", active);
@ -808,8 +805,7 @@ static ssize_t path_info_show(struct device *dev,
phys_connector[0] = '0';
if (phys_connector[1] < '0')
phys_connector[1] = '0';
if (hdev->phys_connector[i] > 0)
output_len += scnprintf(buf + output_len,
output_len += scnprintf(buf + output_len,
PAGE_SIZE - output_len,
"PORT: %.2s ",
phys_connector);
@ -3191,6 +3187,87 @@ out:
return rc;
}
/*
* get enclosure information
* struct ReportExtendedLUNdata *rlep - Used for BMIC drive number
* struct hpsa_scsi_dev_t *encl_dev - device entry for enclosure
* Uses id_physical_device to determine the box_index.
*/
static void hpsa_get_enclosure_info(struct ctlr_info *h,
unsigned char *scsi3addr,
struct ReportExtendedLUNdata *rlep, int rle_index,
struct hpsa_scsi_dev_t *encl_dev)
{
int rc = -1;
struct CommandList *c = NULL;
struct ErrorInfo *ei = NULL;
struct bmic_sense_storage_box_params *bssbp = NULL;
struct bmic_identify_physical_device *id_phys = NULL;
struct ext_report_lun_entry *rle = &rlep->LUN[rle_index];
u16 bmic_device_index = 0;
bmic_device_index = GET_BMIC_DRIVE_NUMBER(&rle->lunid[0]);
if (bmic_device_index == 0xFF00)
goto out;
bssbp = kzalloc(sizeof(*bssbp), GFP_KERNEL);
if (!bssbp)
goto out;
id_phys = kzalloc(sizeof(*id_phys), GFP_KERNEL);
if (!id_phys)
goto out;
rc = hpsa_bmic_id_physical_device(h, scsi3addr, bmic_device_index,
id_phys, sizeof(*id_phys));
if (rc) {
dev_warn(&h->pdev->dev, "%s: id_phys failed %d bdi[0x%x]\n",
__func__, encl_dev->external, bmic_device_index);
goto out;
}
c = cmd_alloc(h);
rc = fill_cmd(c, BMIC_SENSE_STORAGE_BOX_PARAMS, h, bssbp,
sizeof(*bssbp), 0, RAID_CTLR_LUNID, TYPE_CMD);
if (rc)
goto out;
if (id_phys->phys_connector[1] == 'E')
c->Request.CDB[5] = id_phys->box_index;
else
c->Request.CDB[5] = 0;
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) {
rc = -1;
goto out;
}
encl_dev->box[id_phys->active_path_number] = bssbp->phys_box_on_port;
memcpy(&encl_dev->phys_connector[id_phys->active_path_number],
bssbp->phys_connector, sizeof(bssbp->phys_connector));
rc = IO_OK;
out:
kfree(bssbp);
kfree(id_phys);
if (c)
cmd_free(h, c);
if (rc != IO_OK)
hpsa_show_dev_msg(KERN_INFO, h, encl_dev,
"Error, could not get enclosure information\n");
}
static u64 hpsa_get_sas_address_from_report_physical(struct ctlr_info *h,
unsigned char *scsi3addr)
{
@ -4032,7 +4109,8 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h)
/* skip masked non-disk devices */
if (MASKED_DEVICE(lunaddrbytes) && physical_device &&
(physdev_list->LUN[phys_dev_index].device_flags & 0x01))
(physdev_list->LUN[phys_dev_index].device_type != 0x06) &&
(physdev_list->LUN[phys_dev_index].device_flags & 0x01))
continue;
/* Get device type, vendor, model, device id */
@ -4116,7 +4194,12 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h)
break;
case TYPE_TAPE:
case TYPE_MEDIUM_CHANGER:
ncurrent++;
break;
case TYPE_ENCLOSURE:
hpsa_get_enclosure_info(h, lunaddrbytes,
physdev_list, phys_dev_index,
this_device);
ncurrent++;
break;
case TYPE_RAID:
@ -6629,6 +6712,16 @@ static int fill_cmd(struct CommandList *c, u8 cmd, struct ctlr_info *h,
c->Request.CDB[7] = (size >> 16) & 0xFF;
c->Request.CDB[8] = (size >> 8) & 0XFF;
break;
case BMIC_SENSE_STORAGE_BOX_PARAMS:
c->Request.CDBLen = 10;
c->Request.type_attr_dir =
TYPE_ATTR_DIR(cmd_type, ATTR_SIMPLE, XFER_READ);
c->Request.Timeout = 0;
c->Request.CDB[0] = BMIC_READ;
c->Request.CDB[6] = BMIC_SENSE_STORAGE_BOX_PARAMS;
c->Request.CDB[7] = (size >> 16) & 0xFF;
c->Request.CDB[8] = (size >> 8) & 0XFF;
break;
case BMIC_IDENTIFY_CONTROLLER:
c->Request.CDBLen = 10;
c->Request.type_attr_dir =

13
drivers/scsi/hpsa_cmd.h
View File

@ -291,6 +291,7 @@ struct SenseSubsystem_info {
#define BMIC_SENSE_DIAG_OPTIONS 0xF5
#define HPSA_DIAG_OPTS_DISABLE_RLD_CACHING 0x40000000
#define BMIC_SENSE_SUBSYSTEM_INFORMATION 0x66
#define BMIC_SENSE_STORAGE_BOX_PARAMS 0x65
/* Command List Structure */
union SCSI3Addr {
@ -842,5 +843,17 @@ struct bmic_sense_subsystem_info {
u8 pad[332];
};
struct bmic_sense_storage_box_params {
u8 reserved[36];
u8 inquiry_valid;
u8 reserved_1[68];
u8 phys_box_on_port;
u8 reserved_2[22];
u16 connection_info;
u8 reserver_3[84];
u8 phys_connector[2];
u8 reserved_4[296];
};
#pragma pack()
#endif /* HPSA_CMD_H */