| /* |
| * 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 */ |