cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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iser.h (2397B)

      1/*
      2 * Copyright (c) 2015 Mellanox Technologies. All rights reserved.
      3 *
      4 * This software is available to you under a choice of one of two
      5 * licenses.  You may choose to be licensed under the terms of the GNU
      6 * General Public License (GPL) Version 2, available from the file
      7 * COPYING in the main directory of this source tree, or the
      8 * OpenIB.org BSD license below:
      9 *
     10 *     Redistribution and use in source and binary forms, with or
     11 *     without modification, are permitted provided that the following
     12 *     conditions are met:
     13 *
     14 *	- Redistributions of source code must retain the above
     15 *	  copyright notice, this list of conditions and the following
     16 *	  disclaimer.
     17 *
     18 *	- Redistributions in binary form must reproduce the above
     19 *	  copyright notice, this list of conditions and the following
     20 *	  disclaimer in the documentation and/or other materials
     21 *	  provided with the distribution.
     22 *
     23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     30 * SOFTWARE.
     31 */
     32#ifndef ISCSI_ISER_H
     33#define ISCSI_ISER_H
     34
     35#define ISER_ZBVA_NOT_SUP		0x80
     36#define ISER_SEND_W_INV_NOT_SUP		0x40
     37#define ISERT_ZBVA_NOT_USED		0x80
     38#define ISERT_SEND_W_INV_NOT_USED	0x40
     39
     40#define ISCSI_CTRL	0x10
     41#define ISER_HELLO	0x20
     42#define ISER_HELLORPLY	0x30
     43
     44#define ISER_VER	0x10
     45#define ISER_WSV	0x08
     46#define ISER_RSV	0x04
     47
     48/**
     49 * struct iser_cm_hdr - iSER CM header (from iSER Annex A12)
     50 *
     51 * @flags:        flags support (zbva, send_w_inv)
     52 * @rsvd:         reserved
     53 */
     54struct iser_cm_hdr {
     55	u8      flags;
     56	u8      rsvd[3];
     57} __packed;
     58
     59/**
     60 * struct iser_ctrl - iSER header of iSCSI control PDU
     61 *
     62 * @flags:        opcode and read/write valid bits
     63 * @rsvd:         reserved
     64 * @write_stag:   write rkey
     65 * @write_va:     write virtual address
     66 * @reaf_stag:    read rkey
     67 * @read_va:      read virtual address
     68 */
     69struct iser_ctrl {
     70	u8      flags;
     71	u8      rsvd[3];
     72	__be32  write_stag;
     73	__be64  write_va;
     74	__be32  read_stag;
     75	__be64  read_va;
     76} __packed;
     77
     78#endif /* ISCSI_ISER_H */