/* * 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 */