providers/ocrdma/ocrdma_abi.h - linux-rdma/rdma-core - Git at Google

 /*
  * Copyright (C) 2008-2013 Emulex.  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
  * 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.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT  LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR  A PARTICULAR PURPOSE
  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
  * THE POSSIBILITY OF SUCH DAMAGE.
  */

 #ifndef __OCRDMA_ABI_H__
 #define __OCRDMA_ABI_H__

 #include <stdint.h>
 #include <infiniband/kern-abi.h>
 #include <rdma/ocrdma-abi.h>
 #include <kernel-abi/ocrdma-abi.h>

 #define OCRDMA_ABI_VERSION	2

 DECLARE_DRV_CMD(uocrdma_get_context, IB_USER_VERBS_CMD_GET_CONTEXT,
 		empty, ocrdma_alloc_ucontext_resp);
 DECLARE_DRV_CMD(uocrdma_alloc_pd, IB_USER_VERBS_CMD_ALLOC_PD,
 		ocrdma_alloc_pd_ureq, ocrdma_alloc_pd_uresp);
 DECLARE_DRV_CMD(uocrdma_create_cq, IB_USER_VERBS_CMD_CREATE_CQ,
 		ocrdma_create_cq_ureq, ocrdma_create_cq_uresp);
 DECLARE_DRV_CMD(uocrdma_reg_mr, IB_USER_VERBS_CMD_REG_MR,
 		empty, empty);
 DECLARE_DRV_CMD(uocrdma_create_qp, IB_USER_VERBS_CMD_CREATE_QP,
 		ocrdma_create_qp_ureq, ocrdma_create_qp_uresp);
 DECLARE_DRV_CMD(uocrdma_create_srq, IB_USER_VERBS_CMD_CREATE_SRQ,
 		empty, ocrdma_create_srq_uresp);

 #define Bit(_b) (1 << (_b))

 #define OCRDMA_MAX_QP    2048

 enum {
 	OCRDMA_DB_RQ_OFFSET 		= 0xE0,
 	OCRDMA_DB_SQ_OFFSET 		= 0x60,
 	OCRDMA_DB_SRQ_OFFSET 		= OCRDMA_DB_RQ_OFFSET,
 	OCRDMA_DB_CQ_OFFSET 		= 0x120
 };

 #define OCRDMA_DB_CQ_RING_ID_MASK		0x3FF	/* bits 0 - 9 */
 #define OCRDMA_DB_CQ_RING_ID_EXT_MASK		0x0C00	/* bits 10-11 of qid placing at 12-11 */
 #define OCRDMA_DB_CQ_RING_ID_EXT_MASK_SHIFT	0x1	/* qid #2 msbits placing at 12-11 */
 #define OCRDMA_DB_CQ_NUM_POPPED_SHIFT		(16)	/* bits 16 - 28 */
 /* Rearm bit */
 #define OCRDMA_DB_CQ_REARM_SHIFT		(29)	/* bit 29 */

 /* solicited bit */
 #define OCRDMA_DB_CQ_SOLICIT_SHIFT		(31)	/* bit 31 */

 enum OCRDMA_CQE_STATUS {
 	OCRDMA_CQE_SUCCESS 		= 0,
 	OCRDMA_CQE_LOC_LEN_ERR 		= 1,
 	OCRDMA_CQE_LOC_QP_OP_ERR 	= 2,
 	OCRDMA_CQE_LOC_EEC_OP_ERR 	= 3,
 	OCRDMA_CQE_LOC_PROT_ERR 	= 4,
 	OCRDMA_CQE_WR_FLUSH_ERR 	= 5,
 	OCRDMA_CQE_MW_BIND_ERR 		= 6,
 	OCRDMA_CQE_BAD_RESP_ERR 	= 7,
 	OCRDMA_CQE_LOC_ACCESS_ERR 	= 8,
 	OCRDMA_CQE_REM_INV_REQ_ERR 	= 9,
 	OCRDMA_CQE_REM_ACCESS_ERR 	= 0xa,
 	OCRDMA_CQE_REM_OP_ERR 		= 0xb,
 	OCRDMA_CQE_RETRY_EXC_ERR 	= 0xc,
 	OCRDMA_CQE_RNR_RETRY_EXC_ERR 	= 0xd,
 	OCRDMA_CQE_LOC_RDD_VIOL_ERR 	= 0xe,
 	OCRDMA_CQE_REM_INV_RD_REQ_ERR 	= 0xf,
 	OCRDMA_CQE_REM_ABORT_ERR 	= 0x10,
 	OCRDMA_CQE_INV_EECN_ERR 	= 0x11,
 	OCRDMA_CQE_INV_EEC_STATE_ERR 	= 0x12,
 	OCRDMA_CQE_FATAL_ERR 		= 0x13,
 	OCRDMA_CQE_RESP_TIMEOUT_ERR 	= 0x14,
 	OCRDMA_CQE_GENERAL_ERR
 };

 enum {
 	/* w0 */
 	OCRDMA_CQE_WQEIDX_SHIFT 	= 0,
 	OCRDMA_CQE_WQEIDX_MASK 		= 0xFFFF,

 	/* w1 */
 	OCRDMA_CQE_UD_XFER_LEN_SHIFT 	= 16,
 	OCRDMA_CQE_PKEY_SHIFT 		= 0,
 	OCRDMA_CQE_PKEY_MASK 		= 0xFFFF,

 	/* w2 */
 	OCRDMA_CQE_QPN_SHIFT 		= 0,
 	OCRDMA_CQE_QPN_MASK 		= 0x0000FFFF,

 	OCRDMA_CQE_BUFTAG_SHIFT 	= 16,
 	OCRDMA_CQE_BUFTAG_MASK 		= 0xFFFF << OCRDMA_CQE_BUFTAG_SHIFT,

 	/* w3 */
 	OCRDMA_CQE_UD_STATUS_SHIFT 	= 24,
 	OCRDMA_CQE_UD_STATUS_MASK 	= 0x7 << OCRDMA_CQE_UD_STATUS_SHIFT,
 	OCRDMA_CQE_STATUS_SHIFT 	= 16,
 	OCRDMA_CQE_STATUS_MASK 		= (0xFF << OCRDMA_CQE_STATUS_SHIFT),
 	OCRDMA_CQE_VALID 		= Bit(31),
 	OCRDMA_CQE_INVALIDATE 		= Bit(30),
 	OCRDMA_CQE_QTYPE 		= Bit(29),
 	OCRDMA_CQE_IMM 			= Bit(28),
 	OCRDMA_CQE_WRITE_IMM 		= Bit(27),
 	OCRDMA_CQE_QTYPE_SQ 		= 0,
 	OCRDMA_CQE_QTYPE_RQ 		= 1,
 	OCRDMA_CQE_SRCQP_MASK 		= 0xFFFFFF
 };

 struct ocrdma_cqe {
 	union {
 		/* w0 to w2 */
 		struct {
 			__le32 wqeidx;
 			__le32 bytes_xfered;
 			__le32 qpn;
 		} wq;
 		struct {
 			__le32 lkey_immdt;
 			__le32 rxlen;
 			__le32 buftag_qpn;
 		} rq;
 		struct {
 			__le32 lkey_immdt;
 			__le32 rxlen_pkey;
 			__le32 buftag_qpn;
 		} ud;
 		struct {
 			__le32 word_0;
 			__le32 word_1;
 			__le32 qpn;
 		} cmn;
 	};
 	__le32 flags_status_srcqpn;	/* w3 */
 } __attribute__ ((packed));

 struct ocrdma_sge {
 	uint32_t addr_hi;
 	uint32_t addr_lo;
 	uint32_t lrkey;
 	uint32_t len;
 } __attribute__ ((packed));

 enum {
 	OCRDMA_WQE_OPCODE_SHIFT 	= 0,
 	OCRDMA_WQE_OPCODE_MASK 		= 0x0000001F,
 	OCRDMA_WQE_FLAGS_SHIFT 		= 5,
 	OCRDMA_WQE_TYPE_SHIFT 		= 16,
 	OCRDMA_WQE_TYPE_MASK 		= 0x00030000,
 	OCRDMA_WQE_SIZE_SHIFT 		= 18,
 	OCRDMA_WQE_SIZE_MASK 		= 0xFF,
 	OCRDMA_WQE_NXT_WQE_SIZE_SHIFT 	= 25,
 	OCRDMA_WQE_LKEY_FLAGS_SHIFT 	= 0,
 	OCRDMA_WQE_LKEY_FLAGS_MASK 	= 0xF
 };

 enum {
 	OCRDMA_FLAG_SIG 	= 0x1,
 	OCRDMA_FLAG_INV 	= 0x2,
 	OCRDMA_FLAG_FENCE_L 	= 0x4,
 	OCRDMA_FLAG_FENCE_R 	= 0x8,
 	OCRDMA_FLAG_SOLICIT	= 0x10,
 	OCRDMA_FLAG_IMM 	= 0x20,
 	OCRDMA_FLAG_AH_VLAN_PR	= 0x40,

 	/* Stag flags */
 	OCRDMA_LKEY_FLAG_LOCAL_WR 	= 0x1,
 	OCRDMA_LKEY_FLAG_REMOTE_RD 	= 0x2,
 	OCRDMA_LKEY_FLAG_REMOTE_WR 	= 0x4,
 	OCRDMA_LKEY_FLAG_VATO 		= 0x8
 };

 enum {
 	OCRDMA_TYPE_INLINE 	= 0x0,
 	OCRDMA_TYPE_LKEY 	= 0x1
 };

 #define OCRDMA_CQE_QTYPE_RQ  1
 #define OCRDMA_CQE_QTYPE_SQ  0

 enum OCRDMA_WQE_OPCODE {
 	OCRDMA_WRITE 		= 0x06,
 	OCRDMA_READ 		= 0x0C,
 	OCRDMA_RESV0 		= 0x02,
 	OCRDMA_SEND 		= 0x00,
 	OCRDMA_BIND_MW 		= 0x08,
 	OCRDMA_RESV1 		= 0x0A,
 	OCRDMA_LKEY_INV 	= 0x15,
 };

 #define OCRDMA_WQE_STRIDE 8
 #define OCRDMA_WQE_ALIGN_BYTES 16
 /* header WQE for all the SQ and RQ operations */
 struct ocrdma_hdr_wqe {
 	uint32_t cw;
 	union {
 		uint32_t rsvd_tag;
 		uint32_t rsvd_stag_flags;
 	};
 	union {
 		uint32_t immdt;
 		uint32_t lkey;
 	};
 	uint32_t total_len;
 } __attribute__ ((packed));

 struct ocrdma_hdr_wqe_le {
 	__le32 cw;
 	union {
 		__le32 rsvd_tag;
 		__le32 rsvd_stag_flags;
 	};
 	union {
 		__le32 immdt;
 		__le32 lkey;
 	};
 	__le32 total_len;
 } __attribute__ ((packed));

 struct ocrdma_ewqe_atomic {
 	uint32_t ra_hi;
 	uint32_t ra_lo;
 	uint32_t rkey;
 	uint32_t rlen;
 	uint32_t swap_add_hi;
 	uint32_t swap_add_lo;
 	uint32_t compare_hi;
 	uint32_t compare_lo;
 	struct ocrdma_sge sge;
 } __attribute__ ((packed));

 struct ocrdma_ewqe_ud_hdr {
 	uint32_t rsvd_dest_qpn;
 	uint32_t qkey;
 	uint32_t rsvd_ahid;
 	uint32_t hdr_type;
 } __attribute__ ((packed));

 #endif				/* __OCRDMA_ABI_H__ */
	/*
	* Copyright (C) 2008-2013 Emulex. 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
	* 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.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/

	#ifndef __OCRDMA_ABI_H__
	#define __OCRDMA_ABI_H__

	#include <stdint.h>
	#include <infiniband/kern-abi.h>
	#include <rdma/ocrdma-abi.h>
	#include <kernel-abi/ocrdma-abi.h>

	#define OCRDMA_ABI_VERSION 2

	DECLARE_DRV_CMD(uocrdma_get_context, IB_USER_VERBS_CMD_GET_CONTEXT,
	empty, ocrdma_alloc_ucontext_resp);
	DECLARE_DRV_CMD(uocrdma_alloc_pd, IB_USER_VERBS_CMD_ALLOC_PD,
	ocrdma_alloc_pd_ureq, ocrdma_alloc_pd_uresp);
	DECLARE_DRV_CMD(uocrdma_create_cq, IB_USER_VERBS_CMD_CREATE_CQ,
	ocrdma_create_cq_ureq, ocrdma_create_cq_uresp);
	DECLARE_DRV_CMD(uocrdma_reg_mr, IB_USER_VERBS_CMD_REG_MR,
	empty, empty);
	DECLARE_DRV_CMD(uocrdma_create_qp, IB_USER_VERBS_CMD_CREATE_QP,
	ocrdma_create_qp_ureq, ocrdma_create_qp_uresp);
	DECLARE_DRV_CMD(uocrdma_create_srq, IB_USER_VERBS_CMD_CREATE_SRQ,
	empty, ocrdma_create_srq_uresp);

	#define Bit(_b) (1 << (_b))

	#define OCRDMA_MAX_QP 2048

	enum {
	OCRDMA_DB_RQ_OFFSET = 0xE0,
	OCRDMA_DB_SQ_OFFSET = 0x60,
	OCRDMA_DB_SRQ_OFFSET = OCRDMA_DB_RQ_OFFSET,
	OCRDMA_DB_CQ_OFFSET = 0x120
	};

	#define OCRDMA_DB_CQ_RING_ID_MASK 0x3FF /* bits 0 - 9 */
	#define OCRDMA_DB_CQ_RING_ID_EXT_MASK 0x0C00 /* bits 10-11 of qid placing at 12-11 */
	#define OCRDMA_DB_CQ_RING_ID_EXT_MASK_SHIFT 0x1 /* qid #2 msbits placing at 12-11 */
	#define OCRDMA_DB_CQ_NUM_POPPED_SHIFT (16) /* bits 16 - 28 */
	/* Rearm bit */
	#define OCRDMA_DB_CQ_REARM_SHIFT (29) /* bit 29 */

	/* solicited bit */
	#define OCRDMA_DB_CQ_SOLICIT_SHIFT (31) /* bit 31 */

	enum OCRDMA_CQE_STATUS {
	OCRDMA_CQE_SUCCESS = 0,
	OCRDMA_CQE_LOC_LEN_ERR = 1,
	OCRDMA_CQE_LOC_QP_OP_ERR = 2,
	OCRDMA_CQE_LOC_EEC_OP_ERR = 3,
	OCRDMA_CQE_LOC_PROT_ERR = 4,
	OCRDMA_CQE_WR_FLUSH_ERR = 5,
	OCRDMA_CQE_MW_BIND_ERR = 6,
	OCRDMA_CQE_BAD_RESP_ERR = 7,
	OCRDMA_CQE_LOC_ACCESS_ERR = 8,
	OCRDMA_CQE_REM_INV_REQ_ERR = 9,
	OCRDMA_CQE_REM_ACCESS_ERR = 0xa,
	OCRDMA_CQE_REM_OP_ERR = 0xb,
	OCRDMA_CQE_RETRY_EXC_ERR = 0xc,
	OCRDMA_CQE_RNR_RETRY_EXC_ERR = 0xd,
	OCRDMA_CQE_LOC_RDD_VIOL_ERR = 0xe,
	OCRDMA_CQE_REM_INV_RD_REQ_ERR = 0xf,
	OCRDMA_CQE_REM_ABORT_ERR = 0x10,
	OCRDMA_CQE_INV_EECN_ERR = 0x11,
	OCRDMA_CQE_INV_EEC_STATE_ERR = 0x12,
	OCRDMA_CQE_FATAL_ERR = 0x13,
	OCRDMA_CQE_RESP_TIMEOUT_ERR = 0x14,
	OCRDMA_CQE_GENERAL_ERR
	};

	enum {
	/* w0 */
	OCRDMA_CQE_WQEIDX_SHIFT = 0,
	OCRDMA_CQE_WQEIDX_MASK = 0xFFFF,

	/* w1 */
	OCRDMA_CQE_UD_XFER_LEN_SHIFT = 16,
	OCRDMA_CQE_PKEY_SHIFT = 0,
	OCRDMA_CQE_PKEY_MASK = 0xFFFF,

	/* w2 */
	OCRDMA_CQE_QPN_SHIFT = 0,
	OCRDMA_CQE_QPN_MASK = 0x0000FFFF,

	OCRDMA_CQE_BUFTAG_SHIFT = 16,
	OCRDMA_CQE_BUFTAG_MASK = 0xFFFF << OCRDMA_CQE_BUFTAG_SHIFT,

	/* w3 */
	OCRDMA_CQE_UD_STATUS_SHIFT = 24,
	OCRDMA_CQE_UD_STATUS_MASK = 0x7 << OCRDMA_CQE_UD_STATUS_SHIFT,
	OCRDMA_CQE_STATUS_SHIFT = 16,
	OCRDMA_CQE_STATUS_MASK = (0xFF << OCRDMA_CQE_STATUS_SHIFT),
	OCRDMA_CQE_VALID = Bit(31),
	OCRDMA_CQE_INVALIDATE = Bit(30),
	OCRDMA_CQE_QTYPE = Bit(29),
	OCRDMA_CQE_IMM = Bit(28),
	OCRDMA_CQE_WRITE_IMM = Bit(27),
	OCRDMA_CQE_QTYPE_SQ = 0,
	OCRDMA_CQE_QTYPE_RQ = 1,
	OCRDMA_CQE_SRCQP_MASK = 0xFFFFFF
	};

	struct ocrdma_cqe {
	union {
	/* w0 to w2 */
	struct {
	__le32 wqeidx;
	__le32 bytes_xfered;
	__le32 qpn;
	} wq;
	struct {
	__le32 lkey_immdt;
	__le32 rxlen;
	__le32 buftag_qpn;
	} rq;
	struct {
	__le32 lkey_immdt;
	__le32 rxlen_pkey;
	__le32 buftag_qpn;
	} ud;
	struct {
	__le32 word_0;
	__le32 word_1;
	__le32 qpn;
	} cmn;
	};
	__le32 flags_status_srcqpn; /* w3 */
	} __attribute__ ((packed));

	struct ocrdma_sge {
	uint32_t addr_hi;
	uint32_t addr_lo;
	uint32_t lrkey;
	uint32_t len;
	} __attribute__ ((packed));

	enum {
	OCRDMA_WQE_OPCODE_SHIFT = 0,
	OCRDMA_WQE_OPCODE_MASK = 0x0000001F,
	OCRDMA_WQE_FLAGS_SHIFT = 5,
	OCRDMA_WQE_TYPE_SHIFT = 16,
	OCRDMA_WQE_TYPE_MASK = 0x00030000,
	OCRDMA_WQE_SIZE_SHIFT = 18,
	OCRDMA_WQE_SIZE_MASK = 0xFF,
	OCRDMA_WQE_NXT_WQE_SIZE_SHIFT = 25,
	OCRDMA_WQE_LKEY_FLAGS_SHIFT = 0,
	OCRDMA_WQE_LKEY_FLAGS_MASK = 0xF
	};

	enum {
	OCRDMA_FLAG_SIG = 0x1,
	OCRDMA_FLAG_INV = 0x2,
	OCRDMA_FLAG_FENCE_L = 0x4,
	OCRDMA_FLAG_FENCE_R = 0x8,
	OCRDMA_FLAG_SOLICIT = 0x10,
	OCRDMA_FLAG_IMM = 0x20,
	OCRDMA_FLAG_AH_VLAN_PR = 0x40,

	/* Stag flags */
	OCRDMA_LKEY_FLAG_LOCAL_WR = 0x1,
	OCRDMA_LKEY_FLAG_REMOTE_RD = 0x2,
	OCRDMA_LKEY_FLAG_REMOTE_WR = 0x4,
	OCRDMA_LKEY_FLAG_VATO = 0x8
	};

	enum {
	OCRDMA_TYPE_INLINE = 0x0,
	OCRDMA_TYPE_LKEY = 0x1
	};

	#define OCRDMA_CQE_QTYPE_RQ 1
	#define OCRDMA_CQE_QTYPE_SQ 0

	enum OCRDMA_WQE_OPCODE {
	OCRDMA_WRITE = 0x06,
	OCRDMA_READ = 0x0C,
	OCRDMA_RESV0 = 0x02,
	OCRDMA_SEND = 0x00,
	OCRDMA_BIND_MW = 0x08,
	OCRDMA_RESV1 = 0x0A,
	OCRDMA_LKEY_INV = 0x15,
	};

	#define OCRDMA_WQE_STRIDE 8
	#define OCRDMA_WQE_ALIGN_BYTES 16
	/* header WQE for all the SQ and RQ operations */
	struct ocrdma_hdr_wqe {
	uint32_t cw;
	union {
	uint32_t rsvd_tag;
	uint32_t rsvd_stag_flags;
	};
	union {
	uint32_t immdt;
	uint32_t lkey;
	};
	uint32_t total_len;
	} __attribute__ ((packed));

	struct ocrdma_hdr_wqe_le {
	__le32 cw;
	union {
	__le32 rsvd_tag;
	__le32 rsvd_stag_flags;
	};
	union {
	__le32 immdt;
	__le32 lkey;
	};
	__le32 total_len;
	} __attribute__ ((packed));

	struct ocrdma_ewqe_atomic {
	uint32_t ra_hi;
	uint32_t ra_lo;
	uint32_t rkey;
	uint32_t rlen;
	uint32_t swap_add_hi;
	uint32_t swap_add_lo;
	uint32_t compare_hi;
	uint32_t compare_lo;
	struct ocrdma_sge sge;
	} __attribute__ ((packed));

	struct ocrdma_ewqe_ud_hdr {
	uint32_t rsvd_dest_qpn;
	uint32_t qkey;
	uint32_t rsvd_ahid;
	uint32_t hdr_type;
	} __attribute__ ((packed));

	#endif /* __OCRDMA_ABI_H__ */