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Diffstat (limited to 'include/scsi/scsi_driver.h')
-rw-r--r--include/scsi/scsi_driver.h18
1 files changed, 14 insertions, 4 deletions
diff --git a/include/scsi/scsi_driver.h b/include/scsi/scsi_driver.h
index a5534ccad859..c0e89996bdb3 100644
--- a/include/scsi/scsi_driver.h
+++ b/include/scsi/scsi_driver.h
@@ -1,18 +1,20 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _SCSI_SCSI_DRIVER_H
#define _SCSI_SCSI_DRIVER_H
+#include <linux/blk_types.h>
#include <linux/device.h>
+#include <scsi/scsi_cmnd.h>
struct module;
struct request;
-struct scsi_cmnd;
-struct scsi_device;
struct scsi_driver {
struct device_driver gendrv;
+ int (*resume)(struct device *);
void (*rescan)(struct device *);
- int (*init_command)(struct scsi_cmnd *);
+ blk_status_t (*init_command)(struct scsi_cmnd *);
void (*uninit_command)(struct scsi_cmnd *);
int (*done)(struct scsi_cmnd *);
int (*eh_action)(struct scsi_cmnd *, int);
@@ -21,7 +23,9 @@ struct scsi_driver {
#define to_scsi_driver(drv) \
container_of((drv), struct scsi_driver, gendrv)
-extern int scsi_register_driver(struct device_driver *);
+#define scsi_register_driver(drv) \
+ __scsi_register_driver(drv, THIS_MODULE)
+int __scsi_register_driver(struct device_driver *, struct module *);
#define scsi_unregister_driver(drv) \
driver_unregister(drv);
@@ -29,4 +33,10 @@ extern int scsi_register_interface(struct class_interface *);
#define scsi_unregister_interface(intf) \
class_interface_unregister(intf)
+/* make sure not to use it with passthrough commands */
+static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
+{
+ return to_scsi_driver(cmd->device->sdev_gendev.driver);
+}
+
#endif /* _SCSI_SCSI_DRIVER_H */