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[SCSI] iscsi: update some iscsi proto defs 

From: michaelc@cs.wisc.edu

Cleanup some iscsi_proto defs, add some missing values, and
fix some defs.

Signed-off-by: Alex Aizman <itn780@yahoo.com>
Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mike Christie 2005-09-12 21:01:38 -05:00 committed by James Bottomley
parent bb05234979
commit baebc497b4
2 changed files with 34 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/scsi/iscsi_tcp.c
View File

@ -751,7 +751,7 @@ iscsi_hdr_recv(struct iscsi_conn *conn)
(void*)&mtask, sizeof(void*));
conn->tmabort_state =
((struct iscsi_tm_rsp *)hdr)->
response == SCSI_TCP_TM_RESP_COMPLETE ?
response == ISCSI_TMF_RSP_COMPLETE ?
TMABORT_SUCCESS:TMABORT_FAILED;
/* unblock eh_abort() */
wake_up(&conn->ehwait);

45
include/scsi/iscsi_proto.h
View File

@ -56,7 +56,8 @@ struct iscsi_hdr {
__be32 ttt; /* Target Task Tag */
__be32 statsn;
__be32 exp_statsn;
uint8_t other[16];
__be32 max_statsn;
uint8_t other[12];
};
/************************* RFC 3720 Begin *****************************/
@ -78,6 +79,11 @@ struct iscsi_hdr {
#define ISCSI_OP_LOGOUT 0x06
#define ISCSI_OP_SNACK 0x10
#define ISCSI_OP_VENDOR1_CMD 0x1c
#define ISCSI_OP_VENDOR2_CMD 0x1d
#define ISCSI_OP_VENDOR3_CMD 0x1e
#define ISCSI_OP_VENDOR4_CMD 0x1f
/* Target Opcode values */
#define ISCSI_OP_NOOP_IN 0x20
#define ISCSI_OP_SCSI_CMD_RSP 0x21
@ -90,12 +96,20 @@ struct iscsi_hdr {
#define ISCSI_OP_ASYNC_EVENT 0x32
#define ISCSI_OP_REJECT 0x3f
struct iscsi_ahs_hdr {
__be16 ahslength;
uint8_t ahstype;
uint8_t ahspec[5];
};
#define ISCSI_AHSTYPE_CDB 1
#define ISCSI_AHSTYPE_RLENGTH 2
/* iSCSI PDU Header */
struct iscsi_cmd {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2;
uint8_t cmdrn;
__be16 rsvd2;
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
@ -120,6 +134,13 @@ struct iscsi_cmd {
#define ISCSI_ATTR_HEAD_OF_QUEUE 3
#define ISCSI_ATTR_ACA 4
struct iscsi_rlength_ahdr {
__be16 ahslength;
uint8_t ahstype;
uint8_t reserved;
__be32 read_length;
};
/* SCSI Response Header */
struct iscsi_cmd_rsp {
uint8_t opcode;
@ -227,7 +248,7 @@ struct iscsi_tm {
uint8_t rsvd2[8];
};
#define ISCSI_FLAG_TASK_MGMT_FUNCTION_MASK 0x7F
#define ISCSI_FLAG_TM_FUNC_MASK 0x7F
/* Function values */
#define ISCSI_TM_FUNC_ABORT_TASK 1
@ -257,14 +278,14 @@ struct iscsi_tm_rsp {
};
/* Response values */
#define SCSI_TCP_TM_RESP_COMPLETE 0x00
#define SCSI_TCP_TM_RESP_NO_TASK 0x01
#define SCSI_TCP_TM_RESP_NO_LUN 0x02
#define SCSI_TCP_TM_RESP_TASK_ALLEGIANT 0x03
#define SCSI_TCP_TM_RESP_NO_FAILOVER 0x04
#define SCSI_TCP_TM_RESP_NOT_SUPPORTED 0x05
#define SCSI_TCP_TM_RESP_AUTH_FAILED 0x06
#define SCSI_TCP_TM_RESP_REJECTED 0xff
#define ISCSI_TMF_RSP_COMPLETE 0x00
#define ISCSI_TMF_RSP_NO_TASK 0x01
#define ISCSI_TMF_RSP_NO_LUN 0x02
#define ISCSI_TMF_RSP_TASK_ALLEGIANT 0x03
#define ISCSI_TMF_RSP_NO_FAILOVER 0x04
#define ISCSI_TMF_RSP_NOT_SUPPORTED 0x05
#define ISCSI_TMF_RSP_AUTH_FAILED 0x06
#define ISCSI_TMF_RSP_REJECTED 0xff
/* Ready To Transfer Header */
struct iscsi_r2t_rsp {