/*
* Copyright ( c ) 2015 Mellanox Technologies . All rights reserved .
*
* This software is available to you under a choice of one of two
* licenses . You may choose to be licensed under the terms of the GNU
* General Public License ( GPL ) Version 2 , available from the file
* COPYING in the main directory of this source tree , or the
* OpenIB . org BSD license below :
*
* Redistribution and use in source and binary forms , with or
* without modification , are permitted provided that the following
* conditions are met :
*
* - Redistributions of source code must retain the above
* copyright notice , this list of conditions and the following
* disclaimer .
*
* - Redistributions in binary form must reproduce the above
* copyright notice , this list of conditions and the following
* disclaimer in the documentation and / or other materials
* provided with the distribution .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND ,
* EXPRESS OR IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY , FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT . IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER LIABILITY , WHETHER IN AN
* ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM , OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE .
*/
#ifndef ISCSI_ISER_H
#define ISCSI_ISER_H
#define ISER_ZBVA_NOT_SUP 0 x80
#define ISER_SEND_W_INV_NOT_SUP 0 x40
#define ISERT_ZBVA_NOT_USED 0 x80
#define ISERT_SEND_W_INV_NOT_USED 0 x40
#define ISCSI_CTRL 0 x10
#define ISER_HELLO 0 x20
#define ISER_HELLORPLY 0 x30
#define ISER_VER 0 x10
#define ISER_WSV 0 x08
#define ISER_RSV 0 x04
/**
* struct iser_cm_hdr - iSER CM header ( from iSER Annex A12 )
*
* @ flags : flags support ( zbva , send_w_inv )
* @ rsvd : reserved
*/
struct iser_cm_hdr {
u8 flags;
u8 rsvd[3 ];
} __packed;
/**
* struct iser_ctrl - iSER header of iSCSI control PDU
*
* @ flags : opcode and read / write valid bits
* @ rsvd : reserved
* @ write_stag : write rkey
* @ write_va : write virtual address
* @ read_stag : read rkey
* @ read_va : read virtual address
*/
struct iser_ctrl {
u8 flags;
u8 rsvd[3 ];
__be32 write_stag;
__be64 write_va;
__be32 read_stag;
__be64 read_va;
} __packed;
#endif /* ISCSI_ISER_H */
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(vorverarbeitet am 2026-09-29)
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