[SCSI] fcoe: Add a header file defining the FIP protocol for FCoE.

[safe/jmp/linux-2.6] / include / scsi / osd_initiator.h

diff --git a/include/scsi/osd_initiator.h b/include/scsi/osd_initiator.h
index 8482777..b24d961 100644 (file)
--- a/include/scsi/osd_initiator.h
+++ b/include/scsi/osd_initiator.h
@@ -67,6 +67,9 @@ void osduld_unregister_test(unsigned ioctl);
 void osd_dev_init(struct osd_dev *od, struct scsi_device *scsi_device);
 void osd_dev_fini(struct osd_dev *od);
 
+/* some hi level device operations */
+int osd_auto_detect_ver(struct osd_dev *od, void *caps);    /* GFP_KERNEL */
+
 /* we might want to use function vector in the future */
 static inline void osd_dev_set_ver(struct osd_dev *od, enum osd_std_version v)
 {
@@ -214,6 +217,55 @@ int osd_execute_request_async(struct osd_request *or,
        osd_req_done_fn *done, void *private);
 
 /**
+ * osd_req_decode_sense_full - Decode sense information after execution.
+ *
+ * @or:           - osd_request to examine
+ * @osi           - Recievs a more detailed error report information (optional).
+ * @silent        - Do not print to dmsg (Even if enabled)
+ * @bad_obj_list  - Some commands act on multiple objects. Failed objects will
+ *                  be recieved here (optional)
+ * @max_obj       - Size of @bad_obj_list.
+ * @bad_attr_list - List of failing attributes (optional)
+ * @max_attr      - Size of @bad_attr_list.
+ *
+ * After execution, sense + return code can be analyzed using this function. The
+ * return code is the final disposition on the error. So it is possible that a
+ * CHECK_CONDITION was returned from target but this will return NO_ERROR, for
+ * example on recovered errors. All parameters are optional if caller does
+ * not need any returned information.
+ * Note: This function will also dump the error to dmsg according to settings
+ * of the SCSI_OSD_DPRINT_SENSE Kconfig value. Set @silent if you know the
+ * command would routinely fail, to not spam the dmsg file.
+ */
+struct osd_sense_info {
+       int key;                /* one of enum scsi_sense_keys */
+       int additional_code ;   /* enum osd_additional_sense_codes */
+       union { /* Sense specific information */
+               u16 sense_info;
+               u16 cdb_field_offset;   /* scsi_invalid_field_in_cdb */
+       };
+       union { /* Command specific information */
+               u64 command_info;
+       };
+
+       u32 not_initiated_command_functions; /* osd_command_functions_bits */
+       u32 completed_command_functions; /* osd_command_functions_bits */
+       struct osd_obj_id obj;
+       struct osd_attr attr;
+};
+
+int osd_req_decode_sense_full(struct osd_request *or,
+       struct osd_sense_info *osi, bool silent,
+       struct osd_obj_id *bad_obj_list, int max_obj,
+       struct osd_attr *bad_attr_list, int max_attr);
+
+static inline int osd_req_decode_sense(struct osd_request *or,
+       struct osd_sense_info *osi)
+{
+       return osd_req_decode_sense_full(or, osi, false, NULL, 0, NULL, 0);
+}
+
+/**
  * osd_end_request - return osd_request to free store
  *
  * @or:                osd_request to free