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[PATCH] iscsi endianness annotations

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Al Viro
2007-02-09 16:39:40 +00:00
committed by Linus Torvalds
parent 04d4f7a114
commit b437735645
4 changed files with 49 additions and 43 deletions
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include/scsi/iscsi_proto.h
+27 -19
View File
@@ -40,6 +40,14 @@
}
#define zero_data(p) {p[0]=0;p[1]=0;p[2]=0;}
/* initiator tags; opaque for target */
typedef uint32_t __bitwise__ itt_t;
/* below makes sense only for initiator that created this tag */
#define build_itt(itt, id, age) ((__force itt_t)\
((itt) | ((id) << ISCSI_CID_SHIFT) | ((age) << ISCSI_AGE_SHIFT)))
#define get_itt(itt) ((__force uint32_t)(itt_t)(itt) & ISCSI_ITT_MASK)
#define RESERVED_ITT ((__force itt_t)0xffffffff)
/*
* iSCSI Template Message Header
*/
@@ -50,7 +58,7 @@ struct iscsi_hdr {
uint8_t hlength; /* AHSs total length */
uint8_t dlength[3]; /* Data length */
uint8_t lun[8];
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag, opaque for target */
__be32 ttt; /* Target Task Tag */
__be32 statsn;
__be32 exp_statsn;
@@ -111,7 +119,7 @@ struct iscsi_cmd {
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag */
__be32 data_length;
__be32 cmdsn;
__be32 exp_statsn;
@@ -148,7 +156,7 @@ struct iscsi_cmd_rsp {
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd[8];
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag */
__be32 rsvd1;
__be32 statsn;
__be32 exp_cmdsn;
@@ -206,7 +214,7 @@ struct iscsi_nopout {
uint8_t rsvd3;
uint8_t dlength[3];
uint8_t lun[8];
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag */
__be32 ttt; /* Target Transfer Tag */
__be32 cmdsn;
__be32 exp_statsn;
@@ -221,7 +229,7 @@ struct iscsi_nopin {
uint8_t rsvd3;
uint8_t dlength[3];
uint8_t lun[8];
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag */
__be32 ttt; /* Target Transfer Tag */
__be32 statsn;
__be32 exp_cmdsn;
@@ -237,8 +245,8 @@ struct iscsi_tm {
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
__be32 itt; /* Initiator Task Tag */
__be32 rtt; /* Reference Task Tag */
itt_t itt; /* Initiator Task Tag */
itt_t rtt; /* Reference Task Tag */
__be32 cmdsn;
__be32 exp_statsn;
__be32 refcmdsn;
@@ -267,8 +275,8 @@ struct iscsi_tm_rsp {
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd2[8];
__be32 itt; /* Initiator Task Tag */
__be32 rtt; /* Reference Task Tag */
itt_t itt; /* Initiator Task Tag */
itt_t rtt; /* Reference Task Tag */
__be32 statsn;
__be32 exp_cmdsn;
__be32 max_cmdsn;
@@ -293,7 +301,7 @@ struct iscsi_r2t_rsp {
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag */
__be32 ttt; /* Target Transfer Tag */
__be32 statsn;
__be32 exp_cmdsn;
@@ -311,7 +319,7 @@ struct iscsi_data {
uint8_t rsvd3;
uint8_t dlength[3];
uint8_t lun[8];
__be32 itt;
itt_t itt;
__be32 ttt;
__be32 rsvd4;
__be32 exp_statsn;
@@ -331,7 +339,7 @@ struct iscsi_data_rsp {
uint8_t hlength;
uint8_t dlength[3];
uint8_t lun[8];
__be32 itt;
itt_t itt;
__be32 ttt;
__be32 statsn;
__be32 exp_cmdsn;
@@ -355,7 +363,7 @@ struct iscsi_text {
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd4[8];
__be32 itt;
itt_t itt;
__be32 ttt;
__be32 cmdsn;
__be32 exp_statsn;
@@ -373,7 +381,7 @@ struct iscsi_text_rsp {
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd4[8];
__be32 itt;
itt_t itt;
__be32 ttt;
__be32 statsn;
__be32 exp_cmdsn;
@@ -392,7 +400,7 @@ struct iscsi_login {
uint8_t dlength[3];
uint8_t isid[6]; /* Initiator Session ID */
__be16 tsih; /* Target Session Handle */
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag */
__be16 cid;
__be16 rsvd3;
__be32 cmdsn;
@@ -421,7 +429,7 @@ struct iscsi_login_rsp {
uint8_t dlength[3];
uint8_t isid[6]; /* Initiator Session ID */
__be16 tsih; /* Target Session Handle */
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag */
__be32 rsvd3;
__be32 statsn;
__be32 exp_cmdsn;
@@ -478,7 +486,7 @@ struct iscsi_logout {
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd2[8];
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag */
__be16 cid;
uint8_t rsvd3[2];
__be32 cmdsn;
@@ -505,7 +513,7 @@ struct iscsi_logout_rsp {
uint8_t hlength;
uint8_t dlength[3];
uint8_t rsvd3[8];
__be32 itt; /* Initiator Task Tag */
itt_t itt; /* Initiator Task Tag */
__be32 rsvd4;
__be32 statsn;
__be32 exp_cmdsn;
@@ -528,7 +536,7 @@ struct iscsi_snack {
uint8_t opcode;
uint8_t flags;
uint8_t rsvd2[14];
__be32 itt;
itt_t itt;
__be32 begrun;
__be32 runlength;
__be32 exp_statsn;