Add host attributes.
Export additional host information vi 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@xxxxxxxxxx>
---
drivers/scsi/qla2xxx/qla_attr.c | 132 +++++++++++++++++++++++++++++++++++++++
drivers/scsi/qla2xxx/qla_gbl.h | 2 +
drivers/scsi/qla2xxx/qla_os.c | 2 +
3 files changed, 136 insertions(+), 0 deletions(-)
b274c510177f2013b5e00604e226878656b4dc77
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -211,6 +211,138 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t
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
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -290,6 +290,8 @@ extern void qla2x00_cancel_io_descriptor
/*
* 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 *);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -140,6 +140,7 @@ static struct scsi_host_template qla2x00
* which equates to 0x800000 sectors.
*/
.max_sectors = 0xFFFF,
+ .shost_attrs = qla2x00_host_attrs,
};
static struct scsi_host_template qla24xx_driver_template = {
@@ -164,6 +165,7 @@ static struct scsi_host_template qla24xx
.sg_tablesize = SG_ALL,
.max_sectors = 0xFFFF,
+ .shost_attrs = qla2x00_host_attrs,
};
static struct scsi_transport_template *qla2xxx_transport_template = NULL;
--
Andrew Vasquez
-
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