[SCSI] ipr: Physical resource error logging macro

Adds a macro in the ipr driver for logging a physical device location.

Signed-off-by: Brian King <brking@us.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 01950b9d2e6..b8c1603f99e 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -1123,6 +1123,17 @@ struct ipr_ucode_image_header {
 #define ipr_res_dbg(ioa_cfg, res, fmt, ...) \
         IPR_DBG_CMD(ipr_res_printk(KERN_INFO, ioa_cfg, res, fmt, ##__VA_ARGS__))
 
+#define ipr_phys_res_err(ioa_cfg, res, fmt, ...)                        \
+{                                                                       \
+        if ((res).bus >= IPR_MAX_NUM_BUSES) {                           \
+                ipr_err(fmt": unknown\n", ##__VA_ARGS__);               \
+        } else {                                                        \
+                ipr_err(fmt": %d:%d:%d:%d\n",                           \
+                        ##__VA_ARGS__, (ioa_cfg)->host->host_no,        \
+                        (res).bus, (res).target, (res).lun);            \
+        }                                                               \
+}
+
 #define ipr_trace ipr_dbg("%s: %s: Line: %d\n",\
         __FILE__, __FUNCTION__, __LINE__)