X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fscsi%2Fscsi_device.h;h=e76510c345c4112038283ae914d6713a40c2392a;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=75a1909c223e216ea188299949613777dccdfde3;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/include/scsi/scsi_device.h b/include/scsi/scsi_device.h
index 75a1909c2..e76510c34 100644
--- a/include/scsi/scsi_device.h
+++ b/include/scsi/scsi_device.h
@@ -129,8 +129,10 @@ struct scsi_device {
 #define transport_class_to_sdev(class_dev) \
 	container_of(class_dev, struct scsi_device, transport_classdev)
 
-extern struct scsi_device *scsi_add_device(struct Scsi_Host *,
-		uint, uint, uint);
+extern struct scsi_device *__scsi_add_device(struct Scsi_Host *,
+		uint, uint, uint, void *hostdata);
+#define scsi_add_device(host, channel, target, lun) \
+	__scsi_add_device(host, channel, target, lun, NULL)
 extern void scsi_remove_device(struct scsi_device *);
 extern int scsi_device_cancel(struct scsi_device *, int);
 
@@ -183,13 +185,47 @@ extern int scsi_set_medium_removal(struct scsi_device *, char);
 extern int scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
 			   unsigned char *buffer, int len, int timeout,
 			   int retries, struct scsi_mode_data *data);
+extern int scsi_test_unit_ready(struct scsi_device *sdev, int timeout,
+				int retries);
 extern int scsi_device_set_state(struct scsi_device *sdev,
 				 enum scsi_device_state state);
 extern int scsi_device_quiesce(struct scsi_device *sdev);
 extern void scsi_device_resume(struct scsi_device *sdev);
 extern const char *scsi_device_state_name(enum scsi_device_state);
-static int inline scsi_device_online(struct scsi_device *sdev)
+static inline int scsi_device_online(struct scsi_device *sdev)
 {
 	return sdev->sdev_state != SDEV_OFFLINE;
 }
+
+/* accessor functions for the SCSI parameters */
+static inline int scsi_device_sync(struct scsi_device *sdev)
+{
+	return sdev->sdtr;
+}
+static inline int scsi_device_wide(struct scsi_device *sdev)
+{
+	return sdev->wdtr;
+}
+static inline int scsi_device_dt(struct scsi_device *sdev)
+{
+	return sdev->ppr;
+}
+static inline int scsi_device_dt_only(struct scsi_device *sdev)
+{
+	if (sdev->inquiry_len < 57)
+		return 0;
+	return (sdev->inquiry[56] & 0x0c) == 0x04;
+}
+static inline int scsi_device_ius(struct scsi_device *sdev)
+{
+	if (sdev->inquiry_len < 57)
+		return 0;
+	return sdev->inquiry[56] & 0x01;
+}
+static inline int scsi_device_qas(struct scsi_device *sdev)
+{
+	if (sdev->inquiry_len < 57)
+		return 0;
+	return sdev->inquiry[56] & 0x02;
+}
 #endif /* _SCSI_SCSI_DEVICE_H */