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iscsi: Resolve iscsi_proto.h naming conflicts with drivers/target/iscsi

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This patch renames the following iscsi_proto.h structures to avoid
namespace issues with drivers/target/iscsi/iscsi_target_core.h:

*) struct iscsi_cmd -> struct iscsi_scsi_req
*) struct iscsi_cmd_rsp -> struct iscsi_scsi_rsp
*) struct iscsi_login -> struct iscsi_login_req

This patch includes useful ISCSI_FLAG_LOGIN_[CURRENT,NEXT]_STAGE*,
and ISCSI_FLAG_SNACK_TYPE_* definitions used by iscsi_target_mod, and
fixes the incorrect definition of struct iscsi_snack to following
RFC-3720 Section 10.16. SNACK Request.

Also, this patch updates libiscsi, iSER, be2iscsi, and bn2xi to
use the updated structure definitions in a handful of locations.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Nicholas Bellinger
2011-05-27 11:16:33 +00:00
parent bbd9d6f7fb
commit 123521830c
6 changed files with 33 additions and 19 deletions
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30
include/scsi/iscsi_proto.h
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@@ -116,7 +116,7 @@ struct iscsi_ahs_hdr {
#define ISCSI_CDB_SIZE 16
/* iSCSI PDU Header */
struct iscsi_cmd {
struct iscsi_scsi_req {
uint8_t opcode;
uint8_t flags;
__be16 rsvd2;
@@ -161,7 +161,7 @@ struct iscsi_ecdb_ahdr {
};
/* SCSI Response Header */
struct iscsi_cmd_rsp {
struct iscsi_scsi_rsp {
uint8_t opcode;
uint8_t flags;
uint8_t response;
@@ -406,7 +406,7 @@ struct iscsi_text_rsp {
};
/* Login Header */
struct iscsi_login {
struct iscsi_login_req {
uint8_t opcode;
uint8_t flags;
uint8_t max_version; /* Max. version supported */
@@ -427,7 +427,13 @@ struct iscsi_login {
#define ISCSI_FLAG_LOGIN_TRANSIT 0x80
#define ISCSI_FLAG_LOGIN_CONTINUE 0x40
#define ISCSI_FLAG_LOGIN_CURRENT_STAGE_MASK 0x0C /* 2 bits */
#define ISCSI_FLAG_LOGIN_CURRENT_STAGE1 0x04
#define ISCSI_FLAG_LOGIN_CURRENT_STAGE2 0x08
#define ISCSI_FLAG_LOGIN_CURRENT_STAGE3 0x0C
#define ISCSI_FLAG_LOGIN_NEXT_STAGE_MASK 0x03 /* 2 bits */
#define ISCSI_FLAG_LOGIN_NEXT_STAGE1 0x01
#define ISCSI_FLAG_LOGIN_NEXT_STAGE2 0x02
#define ISCSI_FLAG_LOGIN_NEXT_STAGE3 0x03
#define ISCSI_LOGIN_CURRENT_STAGE(flags) \
((flags & ISCSI_FLAG_LOGIN_CURRENT_STAGE_MASK) >> 2)
@@ -550,17 +556,25 @@ struct iscsi_logout_rsp {
struct iscsi_snack {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2[14];
uint8_t rsvd2[2];
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
itt_t itt;
__be32 ttt;
uint8_t rsvd3[4];
__be32 exp_statsn;
uint8_t rsvd4[8];
__be32 begrun;
__be32 runlength;
__be32 exp_statsn;
__be32 rsvd3;
__be32 exp_datasn;
uint8_t rsvd6[8];
};
/* SNACK PDU flags */
#define ISCSI_FLAG_SNACK_TYPE_DATA 0
#define ISCSI_FLAG_SNACK_TYPE_R2T 0
#define ISCSI_FLAG_SNACK_TYPE_STATUS 1
#define ISCSI_FLAG_SNACK_TYPE_DATA_ACK 2
#define ISCSI_FLAG_SNACK_TYPE_RDATA 3
#define ISCSI_FLAG_SNACK_TYPE_MASK 0x0F /* 4 bits */
/* Reject Message Header */