New feature is added. sas_device_hanlde and firmware id will be visible from
sysfs parameters. handle and firmware id is internal to LSI firmware.
It is merely debugging purpose.
Signed-off-by: Kashyap Desai <kashyap.desai@xxxxxxx>
---
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index f71f229..0f3e8fd 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -399,6 +399,7 @@ typedef struct _VirtTarget {
u8 inDMD; /* currently in the device
removal delay timer */
u32 num_luns;
+ u16 handle;
} VirtTarget;
typedef struct _VirtDevice {
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index d48c2c6..482e97f 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -1758,6 +1758,7 @@ mptsas_target_alloc(struct scsi_target *starget)
id = p->phy_info[i].attached.id;
channel = p->phy_info[i].attached.channel;
mptsas_set_starget(&p->phy_info[i], starget);
+ vtarget->handle = p->phy_info[i].attached.handle;
/*
* Exposing hidden raid components
@@ -1983,6 +1984,7 @@ static struct scsi_host_template mptsas_driver_template = {
.cmd_per_lun = 7,
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = mptscsih_host_attrs,
+ .sdev_attrs = mptscsih_dev_attrs,
};
static int mptsas_get_linkerrors(struct sas_phy *phy)
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index 59b8f53..07946aa 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -3333,7 +3333,66 @@ struct device_attribute *mptscsih_host_attrs[] = {
NULL,
};
+/* device attributes */
+
+
+/**
+ * mptscsih_device_handle_show - device handle
+ * @cdev - pointer to embedded class device
+ * @buf - the buffer returned
+ *
+ * This is the firmware assigned device handle
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t
+mptscsih_device_handle_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ VirtDevice *vdevice = sdev->hostdata;
+
+ if (vdevice && vdevice->vtarget)
+ return snprintf(buf, PAGE_SIZE, "0x%04x\n",
+ vdevice->vtarget->handle);
+ else
+ return snprintf(buf, PAGE_SIZE, "0x0\n");
+}
+static DEVICE_ATTR(sas_device_handle, S_IRUGO, mptscsih_device_handle_show,
+ NULL);
+/**
+ * mptscsih_fw_id_show - device handle
+ * @cdev - pointer to embedded class device
+ * @buf - the buffer returned
+ *
+ * This is the firmware assigned id.
+ *
+ * A sysfs 'read-only' shost attribute.
+ */
+static ssize_t
+mptscsih_device_fw_id_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct scsi_device *sdev = to_scsi_device(dev);
+ VirtDevice *vdevice = sdev->hostdata;
+
+ if (vdevice && vdevice->vtarget)
+ return snprintf(buf, PAGE_SIZE, "0x%04x\n",
+ vdevice->vtarget->id);
+ else
+ return snprintf(buf, PAGE_SIZE, "0x0\n");
+}
+static DEVICE_ATTR(fw_id, S_IRUGO, mptscsih_device_fw_id_show,
+ NULL);
+
+struct device_attribute *mptscsih_dev_attrs[] = {
+ &dev_attr_sas_device_handle,
+ &dev_attr_fw_id,
+ NULL,
+};
+
EXPORT_SYMBOL(mptscsih_host_attrs);
+EXPORT_SYMBOL(mptscsih_dev_attrs);
EXPORT_SYMBOL(mptscsih_remove);
EXPORT_SYMBOL(mptscsih_shutdown);
diff --git a/drivers/message/fusion/mptscsih.h b/drivers/message/fusion/mptscsih.h
index 45a5ff3..d9839ca 100644
--- a/drivers/message/fusion/mptscsih.h
+++ b/drivers/message/fusion/mptscsih.h
@@ -133,5 +133,6 @@ extern int mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth,
extern u8 mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id);
extern int mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id);
extern struct device_attribute *mptscsih_host_attrs[];
+extern struct device_attribute *mptscsih_dev_attrs[];
extern struct scsi_cmnd *mptscsih_get_scsi_lookup(MPT_ADAPTER *ioc, int i);
extern void mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code);
--
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