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