diff options
| -rw-r--r-- | Documentation/scsi/hpsa.txt | 7 | ||||
| -rw-r--r-- | drivers/scsi/hpsa.c | 20 |
2 files changed, 27 insertions, 0 deletions
diff --git a/Documentation/scsi/hpsa.txt b/Documentation/scsi/hpsa.txt index 4055657340a..dca658362cb 100644 --- a/Documentation/scsi/hpsa.txt +++ b/Documentation/scsi/hpsa.txt @@ -38,6 +38,7 @@ HPSA specific entries in /sys ------------------------------ /sys/class/scsi_host/host*/rescan + /sys/class/scsi_host/host*/firmware_revision the host "rescan" attribute is a write only attribute. Writing to this attribute will cause the driver to scan for new, changed, or removed devices @@ -48,6 +49,12 @@ HPSA specific entries in /sys normally have to use this. It may be useful when hot plugging devices like tape drives, or entire storage boxes containing pre-configured logical drives. + The "firmware_revision" attribute contains the firmware version of the Smart Array. + For example: + + root@host:/sys/class/scsi_host/host4# cat firmware_revision + 7.14 + HPSA specific disk attributes: ------------------------------ diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 50fddf84e47..410910762fc 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -148,6 +148,8 @@ static ssize_t lunid_show(struct device *dev, struct device_attribute *attr, char *buf); static ssize_t unique_id_show(struct device *dev, struct device_attribute *attr, char *buf); +static ssize_t host_show_firmware_revision(struct device *dev, + struct device_attribute *attr, char *buf); static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno); static ssize_t host_store_rescan(struct device *dev, struct device_attribute *attr, const char *buf, size_t count); @@ -165,6 +167,8 @@ static DEVICE_ATTR(raid_level, S_IRUGO, raid_level_show, NULL); static DEVICE_ATTR(lunid, S_IRUGO, lunid_show, NULL); static DEVICE_ATTR(unique_id, S_IRUGO, unique_id_show, NULL); static DEVICE_ATTR(rescan, S_IWUSR, NULL, host_store_rescan); +static DEVICE_ATTR(firmware_revision, S_IRUGO, + host_show_firmware_revision, NULL); static struct device_attribute *hpsa_sdev_attrs[] = { &dev_attr_raid_level, @@ -175,6 +179,7 @@ static struct device_attribute *hpsa_sdev_attrs[] = { static struct device_attribute *hpsa_shost_attrs[] = { &dev_attr_rescan, + &dev_attr_firmware_revision, NULL, }; @@ -260,6 +265,21 @@ static ssize_t host_store_rescan(struct device *dev, return count; } +static ssize_t host_show_firmware_revision(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct ctlr_info *h; + struct Scsi_Host *shost = class_to_shost(dev); + unsigned char *fwrev; + + h = shost_to_hba(shost); + if (!h->hba_inquiry_data) + return 0; + fwrev = &h->hba_inquiry_data[32]; + return snprintf(buf, 20, "%c%c%c%c\n", + fwrev[0], fwrev[1], fwrev[2], fwrev[3]); +} + /* Enqueuing and dequeuing functions for cmdlists. */ static inline void addQ(struct hlist_head *list, struct CommandList *c) { |