drivers/infiniband/hw/qedr/qedr.h - kernel/msm-4.19 - Gitiles

 /* QLogic qedr NIC Driver
  * Copyright (c) 2015-2016  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 __QEDR_H__
 #define __QEDR_H__

 #include <linux/pci.h>
 #include <rdma/ib_addr.h>
 #include <linux/qed/qed_if.h>
 #include <linux/qed/qed_chain.h>
 #include <linux/qed/qed_roce_if.h>
 #include <linux/qed/qede_roce.h>
 #include <linux/qed/roce_common.h>
 #include "qedr_hsi_rdma.h"

 #define QEDR_MODULE_VERSION	"8.10.10.0"
 #define QEDR_NODE_DESC "QLogic 579xx RoCE HCA"
 #define DP_NAME(dev) ((dev)->ibdev.name)

 #define DP_DEBUG(dev, module, fmt, ...)					\
 	pr_debug("(%s) " module ": " fmt,				\
 		 DP_NAME(dev) ? DP_NAME(dev) : "", ## __VA_ARGS__)

 #define QEDR_MSG_INIT "INIT"
 #define QEDR_MSG_MISC "MISC"
 #define QEDR_MSG_CQ   "  CQ"
 #define QEDR_MSG_MR   "  MR"
 #define QEDR_MSG_RQ   "  RQ"
 #define QEDR_MSG_SQ   "  SQ"
 #define QEDR_MSG_QP   "  QP"
 #define QEDR_MSG_GSI  " GSI"

 #define QEDR_CQ_MAGIC_NUMBER   (0x11223344)

 struct qedr_dev;

 struct qedr_cnq {
 	struct qedr_dev		*dev;
 	struct qed_chain	pbl;
 	struct qed_sb_info	*sb;
 	char			name[32];
 	u64			n_comp;
 	__le16			*hw_cons_ptr;
 	u8			index;
 };

 #define QEDR_MAX_SGID 128

 struct qedr_device_attr {
 	u32	vendor_id;
 	u32	vendor_part_id;
 	u32	hw_ver;
 	u64	fw_ver;
 	u64	node_guid;
 	u64	sys_image_guid;
 	u8	max_cnq;
 	u8	max_sge;
 	u16	max_inline;
 	u32	max_sqe;
 	u32	max_rqe;
 	u8	max_qp_resp_rd_atomic_resc;
 	u8	max_qp_req_rd_atomic_resc;
 	u64	max_dev_resp_rd_atomic_resc;
 	u32	max_cq;
 	u32	max_qp;
 	u32	max_mr;
 	u64	max_mr_size;
 	u32	max_cqe;
 	u32	max_mw;
 	u32	max_fmr;
 	u32	max_mr_mw_fmr_pbl;
 	u64	max_mr_mw_fmr_size;
 	u32	max_pd;
 	u32	max_ah;
 	u8	max_pkey;
 	u32	max_srq;
 	u32	max_srq_wr;
 	u8	max_srq_sge;
 	u8	max_stats_queues;
 	u32	dev_caps;

 	u64	page_size_caps;
 	u8	dev_ack_delay;
 	u32	reserved_lkey;
 	u32	bad_pkey_counter;
 	struct qed_rdma_events events;
 };

 #define QEDR_ENET_STATE_BIT	(0)

 struct qedr_dev {
 	struct ib_device	ibdev;
 	struct qed_dev		*cdev;
 	struct pci_dev		*pdev;
 	struct net_device	*ndev;

 	enum ib_atomic_cap	atomic_cap;

 	void *rdma_ctx;
 	struct qedr_device_attr attr;

 	const struct qed_rdma_ops *ops;
 	struct qed_int_info	int_info;

 	struct qed_sb_info	*sb_array;
 	struct qedr_cnq		*cnq_array;
 	int			num_cnq;
 	int			sb_start;

 	void __iomem		*db_addr;
 	u64			db_phys_addr;
 	u32			db_size;
 	u16			dpi;

 	union ib_gid *sgid_tbl;

 	/* Lock for sgid table */
 	spinlock_t sgid_lock;

 	u64			guid;

 	u32			dp_module;
 	u8			dp_level;
 	u8			num_hwfns;
 	uint			wq_multiplier;
 	u8			gsi_ll2_mac_address[ETH_ALEN];
 	int			gsi_qp_created;
 	struct qedr_cq		*gsi_sqcq;
 	struct qedr_cq		*gsi_rqcq;
 	struct qedr_qp		*gsi_qp;

 	unsigned long enet_state;
 };

 #define QEDR_MAX_SQ_PBL			(0x8000)
 #define QEDR_MAX_SQ_PBL_ENTRIES		(0x10000 / sizeof(void *))
 #define QEDR_SQE_ELEMENT_SIZE		(sizeof(struct rdma_sq_sge))
 #define QEDR_MAX_SQE_ELEMENTS_PER_SQE	(ROCE_REQ_MAX_SINGLE_SQ_WQE_SIZE / \
 					 QEDR_SQE_ELEMENT_SIZE)
 #define QEDR_MAX_SQE_ELEMENTS_PER_PAGE	((RDMA_RING_PAGE_SIZE) / \
 					 QEDR_SQE_ELEMENT_SIZE)
 #define QEDR_MAX_SQE			((QEDR_MAX_SQ_PBL_ENTRIES) *\
 					 (RDMA_RING_PAGE_SIZE) / \
 					 (QEDR_SQE_ELEMENT_SIZE) /\
 					 (QEDR_MAX_SQE_ELEMENTS_PER_SQE))
 /* RQ */
 #define QEDR_MAX_RQ_PBL			(0x2000)
 #define QEDR_MAX_RQ_PBL_ENTRIES		(0x10000 / sizeof(void *))
 #define QEDR_RQE_ELEMENT_SIZE		(sizeof(struct rdma_rq_sge))
 #define QEDR_MAX_RQE_ELEMENTS_PER_RQE	(RDMA_MAX_SGE_PER_RQ_WQE)
 #define QEDR_MAX_RQE_ELEMENTS_PER_PAGE	((RDMA_RING_PAGE_SIZE) / \
 					 QEDR_RQE_ELEMENT_SIZE)
 #define QEDR_MAX_RQE			((QEDR_MAX_RQ_PBL_ENTRIES) *\
 					 (RDMA_RING_PAGE_SIZE) / \
 					 (QEDR_RQE_ELEMENT_SIZE) /\
 					 (QEDR_MAX_RQE_ELEMENTS_PER_RQE))

 #define QEDR_CQE_SIZE	(sizeof(union rdma_cqe))
 #define QEDR_MAX_CQE_PBL_SIZE (512 * 1024)
 #define QEDR_MAX_CQE_PBL_ENTRIES (((QEDR_MAX_CQE_PBL_SIZE) / \
 				  sizeof(u64)) - 1)
 #define QEDR_MAX_CQES ((u32)((QEDR_MAX_CQE_PBL_ENTRIES) * \
 			     (QED_CHAIN_PAGE_SIZE) / QEDR_CQE_SIZE))

 #define QEDR_ROCE_MAX_CNQ_SIZE		(0x4000)

 #define QEDR_MAX_PORT			(1)
 #define QEDR_PORT			(1)

 #define QEDR_UVERBS(CMD_NAME) (1ull << IB_USER_VERBS_CMD_##CMD_NAME)

 #define QEDR_ROCE_PKEY_MAX 1
 #define QEDR_ROCE_PKEY_TABLE_LEN 1
 #define QEDR_ROCE_PKEY_DEFAULT 0xffff

 struct qedr_pbl {
 	struct list_head list_entry;
 	void *va;
 	dma_addr_t pa;
 };

 struct qedr_ucontext {
 	struct ib_ucontext ibucontext;
 	struct qedr_dev *dev;
 	struct qedr_pd *pd;
 	u64 dpi_addr;
 	u64 dpi_phys_addr;
 	u32 dpi_size;
 	u16 dpi;

 	struct list_head mm_head;

 	/* Lock to protect mm list */
 	struct mutex mm_list_lock;
 };

 union db_prod64 {
 	struct rdma_pwm_val32_data data;
 	u64 raw;
 };

 enum qedr_cq_type {
 	QEDR_CQ_TYPE_GSI,
 	QEDR_CQ_TYPE_KERNEL,
 	QEDR_CQ_TYPE_USER,
 };

 struct qedr_pbl_info {
 	u32 num_pbls;
 	u32 num_pbes;
 	u32 pbl_size;
 	u32 pbe_size;
 	bool two_layered;
 };

 struct qedr_userq {
 	struct ib_umem *umem;
 	struct qedr_pbl_info pbl_info;
 	struct qedr_pbl *pbl_tbl;
 	u64 buf_addr;
 	size_t buf_len;
 };

 struct qedr_cq {
 	struct ib_cq ibcq;

 	enum qedr_cq_type cq_type;
 	u32 sig;

 	u16 icid;

 	/* Lock to protect multiplem CQ's */
 	spinlock_t cq_lock;
 	u8 arm_flags;
 	struct qed_chain pbl;

 	void __iomem *db_addr;
 	union db_prod64 db;

 	u8 pbl_toggle;
 	union rdma_cqe *latest_cqe;
 	union rdma_cqe *toggle_cqe;

 	u32 cq_cons;

 	struct qedr_userq q;
 	u8 destroyed;
 	u16 cnq_notif;
 };

 struct qedr_pd {
 	struct ib_pd ibpd;
 	u32 pd_id;
 	struct qedr_ucontext *uctx;
 };

 struct qedr_mm {
 	struct {
 		u64 phy_addr;
 		unsigned long len;
 	} key;
 	struct list_head entry;
 };

 union db_prod32 {
 	struct rdma_pwm_val16_data data;
 	u32 raw;
 };

 struct qedr_qp_hwq_info {
 	/* WQE Elements */
 	struct qed_chain pbl;
 	u64 p_phys_addr_tbl;
 	u32 max_sges;

 	/* WQE */
 	u16 prod;
 	u16 cons;
 	u16 wqe_cons;
 	u16 gsi_cons;
 	u16 max_wr;

 	/* DB */
 	void __iomem *db;
 	union db_prod32 db_data;
 };

 #define QEDR_INC_SW_IDX(p_info, index)					\
 	do {								\
 		p_info->index = (p_info->index + 1) &			\
 				qed_chain_get_capacity(p_info->pbl)	\
 	} while (0)

 enum qedr_qp_err_bitmap {
 	QEDR_QP_ERR_SQ_FULL = 1,
 	QEDR_QP_ERR_RQ_FULL = 2,
 	QEDR_QP_ERR_BAD_SR = 4,
 	QEDR_QP_ERR_BAD_RR = 8,
 	QEDR_QP_ERR_SQ_PBL_FULL = 16,
 	QEDR_QP_ERR_RQ_PBL_FULL = 32,
 };

 struct qedr_qp {
 	struct ib_qp ibqp;	/* must be first */
 	struct qedr_dev *dev;

 	struct qedr_qp_hwq_info sq;
 	struct qedr_qp_hwq_info rq;

 	u32 max_inline_data;

 	/* Lock for QP's */
 	spinlock_t q_lock;
 	struct qedr_cq *sq_cq;
 	struct qedr_cq *rq_cq;
 	struct qedr_srq *srq;
 	enum qed_roce_qp_state state;
 	u32 id;
 	struct qedr_pd *pd;
 	enum ib_qp_type qp_type;
 	struct qed_rdma_qp *qed_qp;
 	u32 qp_id;
 	u16 icid;
 	u16 mtu;
 	int sgid_idx;
 	u32 rq_psn;
 	u32 sq_psn;
 	u32 qkey;
 	u32 dest_qp_num;

 	/* Relevant to qps created from kernel space only (ULPs) */
 	u8 prev_wqe_size;
 	u16 wqe_cons;
 	u32 err_bitmap;
 	bool signaled;

 	/* SQ shadow */
 	struct {
 		u64 wr_id;
 		enum ib_wc_opcode opcode;
 		u32 bytes_len;
 		u8 wqe_size;
 		bool signaled;
 		dma_addr_t icrc_mapping;
 		u32 *icrc;
 		struct qedr_mr *mr;
 	} *wqe_wr_id;

 	/* RQ shadow */
 	struct {
 		u64 wr_id;
 		struct ib_sge sg_list[RDMA_MAX_SGE_PER_RQ_WQE];
 		u8 wqe_size;

 		u8 smac[ETH_ALEN];
 		u16 vlan_id;
 		int rc;
 	} *rqe_wr_id;

 	/* Relevant to qps created from user space only (applications) */
 	struct qedr_userq usq;
 	struct qedr_userq urq;
 };

 struct qedr_ah {
 	struct ib_ah ibah;
 	struct rdma_ah_attr attr;
 };

 enum qedr_mr_type {
 	QEDR_MR_USER,
 	QEDR_MR_KERNEL,
 	QEDR_MR_DMA,
 	QEDR_MR_FRMR,
 };

 struct mr_info {
 	struct qedr_pbl *pbl_table;
 	struct qedr_pbl_info pbl_info;
 	struct list_head free_pbl_list;
 	struct list_head inuse_pbl_list;
 	u32 completed;
 	u32 completed_handled;
 };

 struct qedr_mr {
 	struct ib_mr ibmr;
 	struct ib_umem *umem;

 	struct qed_rdma_register_tid_in_params hw_mr;
 	enum qedr_mr_type type;

 	struct qedr_dev *dev;
 	struct mr_info info;

 	u64 *pages;
 	u32 npages;
 };

 #define SET_FIELD2(value, name, flag) ((value) |= ((flag) << (name ## _SHIFT)))

 #define QEDR_RESP_IMM	(RDMA_CQE_RESPONDER_IMM_FLG_MASK << \
 			 RDMA_CQE_RESPONDER_IMM_FLG_SHIFT)
 #define QEDR_RESP_RDMA	(RDMA_CQE_RESPONDER_RDMA_FLG_MASK << \
 			 RDMA_CQE_RESPONDER_RDMA_FLG_SHIFT)
 #define QEDR_RESP_INV	(RDMA_CQE_RESPONDER_INV_FLG_MASK << \
 			 RDMA_CQE_RESPONDER_INV_FLG_SHIFT)

 static inline void qedr_inc_sw_cons(struct qedr_qp_hwq_info *info)
 {
 	info->cons = (info->cons + 1) % info->max_wr;
 	info->wqe_cons++;
 }

 static inline void qedr_inc_sw_prod(struct qedr_qp_hwq_info *info)
 {
 	info->prod = (info->prod + 1) % info->max_wr;
 }

 static inline int qedr_get_dmac(struct qedr_dev *dev,
 				struct rdma_ah_attr *ah_attr, u8 *mac_addr)
 {
 	union ib_gid zero_sgid = { { 0 } };
 	struct in6_addr in6;
 	const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
 	u8 *dmac;

 	if (!memcmp(&grh->dgid, &zero_sgid, sizeof(union ib_gid))) {
 		DP_ERR(dev, "Local port GID not supported\n");
 		eth_zero_addr(mac_addr);
 		return -EINVAL;
 	}

 	memcpy(&in6, grh->dgid.raw, sizeof(in6));
 	dmac = rdma_ah_retrieve_dmac(ah_attr);
 	if (!dmac)
 		return -EINVAL;
 	ether_addr_copy(mac_addr, dmac);

 	return 0;
 }

 static inline
 struct qedr_ucontext *get_qedr_ucontext(struct ib_ucontext *ibucontext)
 {
 	return container_of(ibucontext, struct qedr_ucontext, ibucontext);
 }

 static inline struct qedr_dev *get_qedr_dev(struct ib_device *ibdev)
 {
 	return container_of(ibdev, struct qedr_dev, ibdev);
 }

 static inline struct qedr_pd *get_qedr_pd(struct ib_pd *ibpd)
 {
 	return container_of(ibpd, struct qedr_pd, ibpd);
 }

 static inline struct qedr_cq *get_qedr_cq(struct ib_cq *ibcq)
 {
 	return container_of(ibcq, struct qedr_cq, ibcq);
 }

 static inline struct qedr_qp *get_qedr_qp(struct ib_qp *ibqp)
 {
 	return container_of(ibqp, struct qedr_qp, ibqp);
 }

 static inline struct qedr_ah *get_qedr_ah(struct ib_ah *ibah)
 {
 	return container_of(ibah, struct qedr_ah, ibah);
 }

 static inline struct qedr_mr *get_qedr_mr(struct ib_mr *ibmr)
 {
 	return container_of(ibmr, struct qedr_mr, ibmr);
 }
 #endif
	/* QLogic qedr NIC Driver
	* Copyright (c) 2015-2016 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 __QEDR_H__
	#define __QEDR_H__

	#include <linux/pci.h>
	#include <rdma/ib_addr.h>
	#include <linux/qed/qed_if.h>
	#include <linux/qed/qed_chain.h>
	#include <linux/qed/qed_roce_if.h>
	#include <linux/qed/qede_roce.h>
	#include <linux/qed/roce_common.h>
	#include "qedr_hsi_rdma.h"

	#define QEDR_MODULE_VERSION "8.10.10.0"
	#define QEDR_NODE_DESC "QLogic 579xx RoCE HCA"
	#define DP_NAME(dev) ((dev)->ibdev.name)

	#define DP_DEBUG(dev, module, fmt, ...) \
	pr_debug("(%s) " module ": " fmt, \
	DP_NAME(dev) ? DP_NAME(dev) : "", ## __VA_ARGS__)

	#define QEDR_MSG_INIT "INIT"
	#define QEDR_MSG_MISC "MISC"
	#define QEDR_MSG_CQ " CQ"
	#define QEDR_MSG_MR " MR"
	#define QEDR_MSG_RQ " RQ"
	#define QEDR_MSG_SQ " SQ"
	#define QEDR_MSG_QP " QP"
	#define QEDR_MSG_GSI " GSI"

	#define QEDR_CQ_MAGIC_NUMBER (0x11223344)

	struct qedr_dev;

	struct qedr_cnq {
	struct qedr_dev *dev;
	struct qed_chain pbl;
	struct qed_sb_info *sb;
	char name[32];
	u64 n_comp;
	__le16 *hw_cons_ptr;
	u8 index;
	};

	#define QEDR_MAX_SGID 128

	struct qedr_device_attr {
	u32 vendor_id;
	u32 vendor_part_id;
	u32 hw_ver;
	u64 fw_ver;
	u64 node_guid;
	u64 sys_image_guid;
	u8 max_cnq;
	u8 max_sge;
	u16 max_inline;
	u32 max_sqe;
	u32 max_rqe;
	u8 max_qp_resp_rd_atomic_resc;
	u8 max_qp_req_rd_atomic_resc;
	u64 max_dev_resp_rd_atomic_resc;
	u32 max_cq;
	u32 max_qp;
	u32 max_mr;
	u64 max_mr_size;
	u32 max_cqe;
	u32 max_mw;
	u32 max_fmr;
	u32 max_mr_mw_fmr_pbl;
	u64 max_mr_mw_fmr_size;
	u32 max_pd;
	u32 max_ah;
	u8 max_pkey;
	u32 max_srq;
	u32 max_srq_wr;
	u8 max_srq_sge;
	u8 max_stats_queues;
	u32 dev_caps;

	u64 page_size_caps;
	u8 dev_ack_delay;
	u32 reserved_lkey;
	u32 bad_pkey_counter;
	struct qed_rdma_events events;
	};

	#define QEDR_ENET_STATE_BIT (0)

	struct qedr_dev {
	struct ib_device ibdev;
	struct qed_dev *cdev;
	struct pci_dev *pdev;
	struct net_device *ndev;

	enum ib_atomic_cap atomic_cap;

	void *rdma_ctx;
	struct qedr_device_attr attr;

	const struct qed_rdma_ops *ops;
	struct qed_int_info int_info;

	struct qed_sb_info *sb_array;
	struct qedr_cnq *cnq_array;
	int num_cnq;
	int sb_start;

	void __iomem *db_addr;
	u64 db_phys_addr;
	u32 db_size;
	u16 dpi;

	union ib_gid *sgid_tbl;

	/* Lock for sgid table */
	spinlock_t sgid_lock;

	u64 guid;

	u32 dp_module;
	u8 dp_level;
	u8 num_hwfns;
	uint wq_multiplier;
	u8 gsi_ll2_mac_address[ETH_ALEN];
	int gsi_qp_created;
	struct qedr_cq *gsi_sqcq;
	struct qedr_cq *gsi_rqcq;
	struct qedr_qp *gsi_qp;

	unsigned long enet_state;
	};

	#define QEDR_MAX_SQ_PBL (0x8000)
	#define QEDR_MAX_SQ_PBL_ENTRIES (0x10000 / sizeof(void *))
	#define QEDR_SQE_ELEMENT_SIZE (sizeof(struct rdma_sq_sge))
	#define QEDR_MAX_SQE_ELEMENTS_PER_SQE (ROCE_REQ_MAX_SINGLE_SQ_WQE_SIZE / \
	QEDR_SQE_ELEMENT_SIZE)
	#define QEDR_MAX_SQE_ELEMENTS_PER_PAGE ((RDMA_RING_PAGE_SIZE) / \
	QEDR_SQE_ELEMENT_SIZE)
	#define QEDR_MAX_SQE ((QEDR_MAX_SQ_PBL_ENTRIES) *\
	(RDMA_RING_PAGE_SIZE) / \
	(QEDR_SQE_ELEMENT_SIZE) /\
	(QEDR_MAX_SQE_ELEMENTS_PER_SQE))
	/* RQ */
	#define QEDR_MAX_RQ_PBL (0x2000)
	#define QEDR_MAX_RQ_PBL_ENTRIES (0x10000 / sizeof(void *))
	#define QEDR_RQE_ELEMENT_SIZE (sizeof(struct rdma_rq_sge))
	#define QEDR_MAX_RQE_ELEMENTS_PER_RQE (RDMA_MAX_SGE_PER_RQ_WQE)
	#define QEDR_MAX_RQE_ELEMENTS_PER_PAGE ((RDMA_RING_PAGE_SIZE) / \
	QEDR_RQE_ELEMENT_SIZE)
	#define QEDR_MAX_RQE ((QEDR_MAX_RQ_PBL_ENTRIES) *\
	(RDMA_RING_PAGE_SIZE) / \
	(QEDR_RQE_ELEMENT_SIZE) /\
	(QEDR_MAX_RQE_ELEMENTS_PER_RQE))

	#define QEDR_CQE_SIZE (sizeof(union rdma_cqe))
	#define QEDR_MAX_CQE_PBL_SIZE (512 * 1024)
	#define QEDR_MAX_CQE_PBL_ENTRIES (((QEDR_MAX_CQE_PBL_SIZE) / \
	sizeof(u64)) - 1)
	#define QEDR_MAX_CQES ((u32)((QEDR_MAX_CQE_PBL_ENTRIES) * \
	(QED_CHAIN_PAGE_SIZE) / QEDR_CQE_SIZE))

	#define QEDR_ROCE_MAX_CNQ_SIZE (0x4000)

	#define QEDR_MAX_PORT (1)
	#define QEDR_PORT (1)

	#define QEDR_UVERBS(CMD_NAME) (1ull << IB_USER_VERBS_CMD_##CMD_NAME)

	#define QEDR_ROCE_PKEY_MAX 1
	#define QEDR_ROCE_PKEY_TABLE_LEN 1
	#define QEDR_ROCE_PKEY_DEFAULT 0xffff

	struct qedr_pbl {
	struct list_head list_entry;
	void *va;
	dma_addr_t pa;
	};

	struct qedr_ucontext {
	struct ib_ucontext ibucontext;
	struct qedr_dev *dev;
	struct qedr_pd *pd;
	u64 dpi_addr;
	u64 dpi_phys_addr;
	u32 dpi_size;
	u16 dpi;

	struct list_head mm_head;

	/* Lock to protect mm list */
	struct mutex mm_list_lock;
	};

	union db_prod64 {
	struct rdma_pwm_val32_data data;
	u64 raw;
	};

	enum qedr_cq_type {
	QEDR_CQ_TYPE_GSI,
	QEDR_CQ_TYPE_KERNEL,
	QEDR_CQ_TYPE_USER,
	};

	struct qedr_pbl_info {
	u32 num_pbls;
	u32 num_pbes;
	u32 pbl_size;
	u32 pbe_size;
	bool two_layered;
	};

	struct qedr_userq {
	struct ib_umem *umem;
	struct qedr_pbl_info pbl_info;
	struct qedr_pbl *pbl_tbl;
	u64 buf_addr;
	size_t buf_len;
	};

	struct qedr_cq {
	struct ib_cq ibcq;

	enum qedr_cq_type cq_type;
	u32 sig;

	u16 icid;

	/* Lock to protect multiplem CQ's */
	spinlock_t cq_lock;
	u8 arm_flags;
	struct qed_chain pbl;

	void __iomem *db_addr;
	union db_prod64 db;

	u8 pbl_toggle;
	union rdma_cqe *latest_cqe;
	union rdma_cqe *toggle_cqe;

	u32 cq_cons;

	struct qedr_userq q;
	u8 destroyed;
	u16 cnq_notif;
	};

	struct qedr_pd {
	struct ib_pd ibpd;
	u32 pd_id;
	struct qedr_ucontext *uctx;
	};

	struct qedr_mm {
	struct {
	u64 phy_addr;
	unsigned long len;
	} key;
	struct list_head entry;
	};

	union db_prod32 {
	struct rdma_pwm_val16_data data;
	u32 raw;
	};

	struct qedr_qp_hwq_info {
	/* WQE Elements */
	struct qed_chain pbl;
	u64 p_phys_addr_tbl;
	u32 max_sges;

	/* WQE */
	u16 prod;
	u16 cons;
	u16 wqe_cons;
	u16 gsi_cons;
	u16 max_wr;

	/* DB */
	void __iomem *db;
	union db_prod32 db_data;
	};

	#define QEDR_INC_SW_IDX(p_info, index) \
	do { \
	p_info->index = (p_info->index + 1) & \
	qed_chain_get_capacity(p_info->pbl) \
	} while (0)

	enum qedr_qp_err_bitmap {
	QEDR_QP_ERR_SQ_FULL = 1,
	QEDR_QP_ERR_RQ_FULL = 2,
	QEDR_QP_ERR_BAD_SR = 4,
	QEDR_QP_ERR_BAD_RR = 8,
	QEDR_QP_ERR_SQ_PBL_FULL = 16,
	QEDR_QP_ERR_RQ_PBL_FULL = 32,
	};

	struct qedr_qp {
	struct ib_qp ibqp; /* must be first */
	struct qedr_dev *dev;

	struct qedr_qp_hwq_info sq;
	struct qedr_qp_hwq_info rq;

	u32 max_inline_data;

	/* Lock for QP's */
	spinlock_t q_lock;
	struct qedr_cq *sq_cq;
	struct qedr_cq *rq_cq;
	struct qedr_srq *srq;
	enum qed_roce_qp_state state;
	u32 id;
	struct qedr_pd *pd;
	enum ib_qp_type qp_type;
	struct qed_rdma_qp *qed_qp;
	u32 qp_id;
	u16 icid;
	u16 mtu;
	int sgid_idx;
	u32 rq_psn;
	u32 sq_psn;
	u32 qkey;
	u32 dest_qp_num;

	/* Relevant to qps created from kernel space only (ULPs) */
	u8 prev_wqe_size;
	u16 wqe_cons;
	u32 err_bitmap;
	bool signaled;

	/* SQ shadow */
	struct {
	u64 wr_id;
	enum ib_wc_opcode opcode;
	u32 bytes_len;
	u8 wqe_size;
	bool signaled;
	dma_addr_t icrc_mapping;
	u32 *icrc;
	struct qedr_mr *mr;
	} *wqe_wr_id;

	/* RQ shadow */
	struct {
	u64 wr_id;
	struct ib_sge sg_list[RDMA_MAX_SGE_PER_RQ_WQE];
	u8 wqe_size;

	u8 smac[ETH_ALEN];
	u16 vlan_id;
	int rc;
	} *rqe_wr_id;

	/* Relevant to qps created from user space only (applications) */
	struct qedr_userq usq;
	struct qedr_userq urq;
	};

	struct qedr_ah {
	struct ib_ah ibah;
	struct rdma_ah_attr attr;
	};

	enum qedr_mr_type {
	QEDR_MR_USER,
	QEDR_MR_KERNEL,
	QEDR_MR_DMA,
	QEDR_MR_FRMR,
	};

	struct mr_info {
	struct qedr_pbl *pbl_table;
	struct qedr_pbl_info pbl_info;
	struct list_head free_pbl_list;
	struct list_head inuse_pbl_list;
	u32 completed;
	u32 completed_handled;
	};

	struct qedr_mr {
	struct ib_mr ibmr;
	struct ib_umem *umem;

	struct qed_rdma_register_tid_in_params hw_mr;
	enum qedr_mr_type type;

	struct qedr_dev *dev;
	struct mr_info info;

	u64 *pages;
	u32 npages;
	};

	#define SET_FIELD2(value, name, flag) ((value) \|= ((flag) << (name ## _SHIFT)))

	#define QEDR_RESP_IMM (RDMA_CQE_RESPONDER_IMM_FLG_MASK << \
	RDMA_CQE_RESPONDER_IMM_FLG_SHIFT)
	#define QEDR_RESP_RDMA (RDMA_CQE_RESPONDER_RDMA_FLG_MASK << \
	RDMA_CQE_RESPONDER_RDMA_FLG_SHIFT)
	#define QEDR_RESP_INV (RDMA_CQE_RESPONDER_INV_FLG_MASK << \
	RDMA_CQE_RESPONDER_INV_FLG_SHIFT)

	static inline void qedr_inc_sw_cons(struct qedr_qp_hwq_info *info)
	{
	info->cons = (info->cons + 1) % info->max_wr;
	info->wqe_cons++;
	}

	static inline void qedr_inc_sw_prod(struct qedr_qp_hwq_info *info)
	{
	info->prod = (info->prod + 1) % info->max_wr;
	}

	static inline int qedr_get_dmac(struct qedr_dev *dev,
	struct rdma_ah_attr ah_attr, u8 mac_addr)
	{
	union ib_gid zero_sgid = { { 0 } };
	struct in6_addr in6;
	const struct ib_global_route *grh = rdma_ah_read_grh(ah_attr);
	u8 *dmac;

	if (!memcmp(&grh->dgid, &zero_sgid, sizeof(union ib_gid))) {
	DP_ERR(dev, "Local port GID not supported\n");
	eth_zero_addr(mac_addr);
	return -EINVAL;
	}

	memcpy(&in6, grh->dgid.raw, sizeof(in6));
	dmac = rdma_ah_retrieve_dmac(ah_attr);
	if (!dmac)
	return -EINVAL;
	ether_addr_copy(mac_addr, dmac);

	return 0;
	}

	static inline
	struct qedr_ucontext get_qedr_ucontext(struct ib_ucontext ibucontext)
	{
	return container_of(ibucontext, struct qedr_ucontext, ibucontext);
	}

	static inline struct qedr_dev get_qedr_dev(struct ib_device ibdev)
	{
	return container_of(ibdev, struct qedr_dev, ibdev);
	}

	static inline struct qedr_pd get_qedr_pd(struct ib_pd ibpd)
	{
	return container_of(ibpd, struct qedr_pd, ibpd);
	}

	static inline struct qedr_cq get_qedr_cq(struct ib_cq ibcq)
	{
	return container_of(ibcq, struct qedr_cq, ibcq);
	}

	static inline struct qedr_qp get_qedr_qp(struct ib_qp ibqp)
	{
	return container_of(ibqp, struct qedr_qp, ibqp);
	}

	static inline struct qedr_ah get_qedr_ah(struct ib_ah ibah)
	{
	return container_of(ibah, struct qedr_ah, ibah);
	}

	static inline struct qedr_mr get_qedr_mr(struct ib_mr ibmr)
	{
	return container_of(ibmr, struct qedr_mr, ibmr);
	}
	#endif