[SCSI] aacraid: add support for long serial number information

Support displaying long serial number information. Reuse sysfs handler
internally as helper.

Signed-off-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

3 files changed, 19 insertions, 7 deletions

diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 6345dbe33c19..0b6fd0b654d2 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -1179,6 +1179,7 @@ int aac_get_adapter_info(struct aac_dev* dev)
         }
 
         if (!dev->in_reset) {
+                char buffer[16];
                 tmp = le32_to_cpu(dev->adapter_info.kernelrev);
                 printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n",
                         dev->name, 
@@ -1199,10 +1200,11 @@ int aac_get_adapter_info(struct aac_dev* dev)
                         dev->name, dev->id,
                         tmp>>24,(tmp>>16)&0xff,tmp&0xff,
                         le32_to_cpu(dev->adapter_info.biosbuild));
-                if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
-                        printk(KERN_INFO "%s%d: serial %x\n",
-                                dev->name, dev->id,
-                                le32_to_cpu(dev->adapter_info.serial[0]));
+                buffer[0] = '\0';
+                if (aac_show_serial_number(
+                  shost_to_class(dev->scsi_host_ptr), buffer))
+                        printk(KERN_INFO "%s%d: serial %s",
+                          dev->name, dev->id, buffer);
                 if (dev->supplement_adapter_info.VpdInfo.Tsid[0]) {
                         printk(KERN_INFO "%s%d: TSID %.*s\n",
                           dev->name, dev->id,
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 8abe4f97b0af..f1d3b66af879 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -1822,6 +1822,10 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag);
 int aac_get_containers(struct aac_dev *dev);
 int aac_scsi_cmd(struct scsi_cmnd *cmd);
 int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg);
+#ifndef shost_to_class
+#define shost_to_class(shost) &shost->shost_classdev
+#endif
+ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf);
 int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg);
 int aac_rx_init(struct aac_dev *dev);
 int aac_rkt_init(struct aac_dev *dev);
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 3870bd61f418..4fda01e97f46 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -770,15 +770,21 @@ static ssize_t aac_show_bios_version(struct class_device *class_dev,
         return len;
 }
 
-static ssize_t aac_show_serial_number(struct class_device *class_dev,
-                char *buf)
+ssize_t aac_show_serial_number(struct class_device *class_dev, char *buf)
 {
         struct aac_dev *dev = (struct aac_dev*)class_to_shost(class_dev)->hostdata;
         int len = 0;
 
         if (le32_to_cpu(dev->adapter_info.serial[0]) != 0xBAD0)
-                len = snprintf(buf, PAGE_SIZE, "%x\n",
+                len = snprintf(buf, PAGE_SIZE, "%06X\n",
                   le32_to_cpu(dev->adapter_info.serial[0]));
+        if (len &&
+          !memcmp(&dev->supplement_adapter_info.MfgPcbaSerialNo[
+            sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo)+2-len],
+          buf, len))
+                len = snprintf(buf, PAGE_SIZE, "%.*s\n",
+                  (int)sizeof(dev->supplement_adapter_info.MfgPcbaSerialNo),
+                  dev->supplement_adapter_info.MfgPcbaSerialNo);
         return len;
 }