1 files changed, 22 insertions, 0 deletions

diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 7ece05666feb..85cfd88461c8 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -148,6 +148,12 @@ struct scsi_device {
 #define transport_class_to_sdev(class_dev) \
         to_scsi_device(class_dev->dev)
 
+#define sdev_printk(prefix, sdev, fmt, a...)    \
+        dev_printk(prefix, &(sdev)->sdev_gendev, fmt, ##a)
+
+#define scmd_printk(prefix, scmd, fmt, a...)    \
+        dev_printk(prefix, &(scmd)->device->sdev_gendev, fmt, ##a)
+
 /*
  * scsi_target: representation of a scsi target, for now, this is only
  * used for single_lun devices. If no one has active IO to the target,
@@ -177,6 +183,9 @@ static inline struct scsi_target *scsi_target(struct scsi_device *sdev)
 #define transport_class_to_starget(class_dev) \
         to_scsi_target(class_dev->dev)
 
+#define starget_printk(prefix, starget, fmt, a...)      \
+        dev_printk(prefix, &(starget)->dev, fmt, ##a)
+
 extern struct scsi_device *__scsi_add_device(struct Scsi_Host *,
                 uint, uint, uint, void *hostdata);
 extern int scsi_add_device(struct Scsi_Host *host, uint channel,
@@ -266,6 +275,19 @@ extern int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
                             int data_direction, void *buffer, unsigned bufflen,
                             struct scsi_sense_hdr *, int timeout, int retries);
 
+static inline unsigned int sdev_channel(struct scsi_device *sdev)
+{
+        return sdev->channel;
+}
+
+static inline unsigned int sdev_id(struct scsi_device *sdev)
+{
+        return sdev->id;
+}
+
+#define scmd_id(scmd) sdev_id((scmd)->device)
+#define scmd_channel(scmd) sdev_channel((scmd)->device)
+
 static inline int scsi_device_online(struct scsi_device *sdev)
 {
         return sdev->sdev_state != SDEV_OFFLINE;