forked from Minki/linux
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
|
/*
|
||
|
|
* 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 0x80
|
||
|
|
#define ISER_SEND_W_INV_NOT_SUP 0x40
|
||
|
|
#define ISERT_ZBVA_NOT_USED 0x80
|
||
|
|
#define ISERT_SEND_W_INV_NOT_USED 0x40
|
||
|
|
|
||
|
|
#define ISCSI_CTRL 0x10
|
||
|
|
#define ISER_HELLO 0x20
|
||
|
|
#define ISER_HELLORPLY 0x30
|
||
|
|
|
||
|
|
#define ISER_VER 0x10
|
||
|
|
#define ISER_WSV 0x08
|
||
|
|
#define ISER_RSV 0x04
|
||
|
|
|
||
|
|
/**
|
||
|
|
* 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
|
||
|
|
* @reaf_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 */
|