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[SCSI] qla2xxx: Add host attributes.
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Export additional host information via the shost_attrs member in
the scsi_host template.  Attributes include: driver version,
firmware version, ISP serial number, ISP type, ISP product ID,
HBA model name, HBA model description, PCI interconnect
information, and HBA port state.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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Andrew Vasquez authored and James Bottomley committed Sep 5, 2005
1 parent ce7e4af commit afb046e
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Showing 3 changed files with 136 additions and 0 deletions.
132 changes: 132 additions & 0 deletions drivers/scsi/qla2xxx/qla_attr.c
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Original file line number Diff line number Diff line change
Expand Up @@ -211,6 +211,138 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
}

/* Scsi_Host attributes. */

static ssize_t
qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
}

static ssize_t
qla2x00_fw_version_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
char fw_str[30];

return snprintf(buf, PAGE_SIZE, "%s\n",
ha->isp_ops.fw_version_str(ha, fw_str));
}

static ssize_t
qla2x00_serial_num_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
uint32_t sn;

sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
sn % 100000);
}

static ssize_t
qla2x00_isp_name_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
return snprintf(buf, PAGE_SIZE, "%s\n", ha->brd_info->isp_name);
}

static ssize_t
qla2x00_isp_id_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
ha->product_id[0], ha->product_id[1], ha->product_id[2],
ha->product_id[3]);
}

static ssize_t
qla2x00_model_name_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
}

static ssize_t
qla2x00_model_desc_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
return snprintf(buf, PAGE_SIZE, "%s\n",
ha->model_desc ? ha->model_desc: "");
}

static ssize_t
qla2x00_pci_info_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
char pci_info[30];

return snprintf(buf, PAGE_SIZE, "%s\n",
ha->isp_ops.pci_info_str(ha, pci_info));
}

static ssize_t
qla2x00_state_show(struct class_device *cdev, char *buf)
{
scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
int len = 0;

if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
atomic_read(&ha->loop_state) == LOOP_DEAD)
len = snprintf(buf, PAGE_SIZE, "Link Down\n");
else if (atomic_read(&ha->loop_state) != LOOP_READY ||
test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) ||
test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags))
len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
else {
len = snprintf(buf, PAGE_SIZE, "Link Up - ");

switch (ha->current_topology) {
case ISP_CFG_NL:
len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
break;
case ISP_CFG_FL:
len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
break;
case ISP_CFG_N:
len += snprintf(buf + len, PAGE_SIZE-len,
"N_Port to N_Port\n");
break;
case ISP_CFG_F:
len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
break;
default:
len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
break;
}
}
return len;
}

static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
NULL);
static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);

struct class_device_attribute *qla2x00_host_attrs[] = {
&class_device_attr_driver_version,
&class_device_attr_fw_version,
&class_device_attr_serial_num,
&class_device_attr_isp_name,
&class_device_attr_isp_id,
&class_device_attr_model_name,
&class_device_attr_model_desc,
&class_device_attr_pci_info,
&class_device_attr_state,
NULL,
};

/* Host attributes. */

static void
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2 changes: 2 additions & 0 deletions drivers/scsi/qla2xxx/qla_gbl.h
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Original file line number Diff line number Diff line change
Expand Up @@ -290,6 +290,8 @@ extern void qla2x00_cancel_io_descriptors(scsi_qla_host_t *);
/*
* Global Function Prototypes in qla_attr.c source file.
*/
struct class_device_attribute;
extern struct class_device_attribute *qla2x00_host_attrs[];
struct fc_function_template;
extern struct fc_function_template qla2xxx_transport_functions;
extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
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2 changes: 2 additions & 0 deletions drivers/scsi/qla2xxx/qla_os.c
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Original file line number Diff line number Diff line change
Expand Up @@ -140,6 +140,7 @@ static struct scsi_host_template qla2x00_driver_template = {
* which equates to 0x800000 sectors.
*/
.max_sectors = 0xFFFF,
.shost_attrs = qla2x00_host_attrs,
};

static struct scsi_host_template qla24xx_driver_template = {
Expand All @@ -164,6 +165,7 @@ static struct scsi_host_template qla24xx_driver_template = {
.sg_tablesize = SG_ALL,

.max_sectors = 0xFFFF,
.shost_attrs = qla2x00_host_attrs,
};

static struct scsi_transport_template *qla2xxx_transport_template = NULL;
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