From 023b515e5b304122f3802abaa68d1da46fdf48b8 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Tue, 19 Jun 2012 09:54:54 +0200 Subject: uas: task mgmt & error handling Add task management support, wind up in abort and device reset error handlers. Cancel all in-flight urbs in bus reset handler. Signed-off-by: Gerd Hoffmann Signed-off-by: Greg Kroah-Hartman --- include/linux/usb/uas.h | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) (limited to 'include') diff --git a/include/linux/usb/uas.h b/include/linux/usb/uas.h index 9a988e413694..5499ab5c94bd 100644 --- a/include/linux/usb/uas.h +++ b/include/linux/usb/uas.h @@ -20,6 +20,28 @@ enum { IU_ID_WRITE_READY = 0x07, }; +enum { + TMF_ABORT_TASK = 0x01, + TMF_ABORT_TASK_SET = 0x02, + TMF_CLEAR_TASK_SET = 0x04, + TMF_LOGICAL_UNIT_RESET = 0x08, + TMF_I_T_NEXUS_RESET = 0x10, + TMF_CLEAR_ACA = 0x40, + TMF_QUERY_TASK = 0x80, + TMF_QUERY_TASK_SET = 0x81, + TMF_QUERY_ASYNC_EVENT = 0x82, +}; + +enum { + RC_TMF_COMPLETE = 0x00, + RC_INVALID_INFO_UNIT = 0x02, + RC_TMF_NOT_SUPPORTED = 0x04, + RC_TMF_FAILED = 0x05, + RC_TMF_SUCCEEDED = 0x08, + RC_INCORRECT_LUN = 0x09, + RC_OVERLAPPED_TAG = 0x0a, +}; + struct command_iu { __u8 iu_id; __u8 rsvd1; @@ -32,6 +54,16 @@ struct command_iu { __u8 cdb[16]; /* XXX: Overflow-checking tools may misunderstand */ }; +struct task_mgmt_iu { + __u8 iu_id; + __u8 rsvd1; + __be16 tag; + __u8 function; + __u8 rsvd2; + __be16 task_tag; + struct scsi_lun lun; +}; + /* * Also used for the Read Ready and Write Ready IUs since they have the * same first four bytes @@ -47,6 +79,14 @@ struct sense_iu { __u8 sense[SCSI_SENSE_BUFFERSIZE]; }; +struct response_ui { + __u8 iu_id; + __u8 rsvd1; + __be16 tag; + __be16 add_response_info; + __u8 response_code; +}; + struct usb_pipe_usage_descriptor { __u8 bLength; __u8 bDescriptorType; -- cgit v1.2.3