linux_kernel/include/linux/qed/rdma_common.h

/* QLogic qed NIC Driver
 * Copyright (c) 2015-2017  QLogic Corporation
 *
 * 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 __RDMA_COMMON__
#define __RDMA_COMMON__

/************************/
/* RDMA FW CONSTANTS */
/************************/

#define RDMA_RESERVED_LKEY		(0)
#define RDMA_RING_PAGE_SIZE		(0x1000)

#define RDMA_MAX_SGE_PER_SQ_WQE		(4)
#define RDMA_MAX_SGE_PER_RQ_WQE		(4)

#define RDMA_MAX_DATA_SIZE_IN_WQE	(0x80000000)

#define RDMA_REQ_RD_ATOMIC_ELM_SIZE	(0x50)
#define RDMA_RESP_RD_ATOMIC_ELM_SIZE	(0x20)

#define RDMA_MAX_CQS			(64 * 1024)
#define RDMA_MAX_TIDS			(128 * 1024 - 1)
#define RDMA_MAX_PDS			(64 * 1024)
#define RDMA_MAX_XRC_SRQS                       (1024)
#define RDMA_MAX_SRQS                           (32 * 1024)

#define RDMA_NUM_STATISTIC_COUNTERS	MAX_NUM_VPORTS
#define RDMA_NUM_STATISTIC_COUNTERS_K2	MAX_NUM_VPORTS_K2
#define RDMA_NUM_STATISTIC_COUNTERS_BB	MAX_NUM_VPORTS_BB

#define RDMA_TASK_TYPE (PROTOCOLID_ROCE)

struct rdma_srq_id {
	__le16 srq_idx;
	__le16 opaque_fid;
};

struct rdma_srq_producers {
	__le32 sge_prod;
	__le32 wqe_prod;
};

#endif /* __RDMA_COMMON__ */