[mirror_ubuntu-hirsute-kernel.git] / include / linux / qed / qed_rdma_if.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 _QED_RDMA_IF_H
#define _QED_RDMA_IF_H
#include <linux/types.h>
#include <linux/delay.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/qed/qed_if.h>
#include <linux/qed/qed_ll2_if.h>
#include <linux/qed/rdma_common.h>

enum qed_roce_ll2_tx_dest {
	/* Light L2 TX Destination to the Network */
	QED_ROCE_LL2_TX_DEST_NW,

	/* Light L2 TX Destination to the Loopback */
	QED_ROCE_LL2_TX_DEST_LB,
	QED_ROCE_LL2_TX_DEST_MAX
};

#define QED_RDMA_MAX_CNQ_SIZE               (0xFFFF)

/* rdma interface */

enum qed_roce_qp_state {
	QED_ROCE_QP_STATE_RESET,
	QED_ROCE_QP_STATE_INIT,
	QED_ROCE_QP_STATE_RTR,
	QED_ROCE_QP_STATE_RTS,
	QED_ROCE_QP_STATE_SQD,
	QED_ROCE_QP_STATE_ERR,
	QED_ROCE_QP_STATE_SQE
};

enum qed_rdma_tid_type {
	QED_RDMA_TID_REGISTERED_MR,
	QED_RDMA_TID_FMR,
	QED_RDMA_TID_MW_TYPE1,
	QED_RDMA_TID_MW_TYPE2A
};

struct qed_rdma_events {
	void *context;
	void (*affiliated_event)(void *context, u8 fw_event_code,
				 void *fw_handle);
	void (*unaffiliated_event)(void *context, u8 event_code);
};

struct qed_rdma_device {
	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;
	u8 max_srq_sge;
	u16 max_inline;
	u32 max_wqe;
	u32 max_srq_wqe;
	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_srq;
	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;
	u16 max_srq_wr;
	u8 max_stats_queues;
	u32 dev_caps;

	/* Abilty to support RNR-NAK generation */

#define QED_RDMA_DEV_CAP_RNR_NAK_MASK                           0x1
#define QED_RDMA_DEV_CAP_RNR_NAK_SHIFT                  0
	/* Abilty to support shutdown port */
#define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_MASK                     0x1
#define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_SHIFT                    1
	/* Abilty to support port active event */
#define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_MASK         0x1
#define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_SHIFT                2
	/* Abilty to support port change event */
#define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_MASK         0x1
#define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_SHIFT                3
	/* Abilty to support system image GUID */
#define QED_RDMA_DEV_CAP_SYS_IMAGE_MASK                 0x1
#define QED_RDMA_DEV_CAP_SYS_IMAGE_SHIFT                        4
	/* Abilty to support bad P_Key counter support */
#define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_MASK                      0x1
#define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_SHIFT                     5
	/* Abilty to support atomic operations */
#define QED_RDMA_DEV_CAP_ATOMIC_OP_MASK                 0x1
#define QED_RDMA_DEV_CAP_ATOMIC_OP_SHIFT                        6
#define QED_RDMA_DEV_CAP_RESIZE_CQ_MASK                 0x1
#define QED_RDMA_DEV_CAP_RESIZE_CQ_SHIFT                        7
	/* Abilty to support modifying the maximum number of
	 * outstanding work requests per QP
	 */
#define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_MASK                     0x1
#define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_SHIFT                    8
	/* Abilty to support automatic path migration */
#define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_MASK                     0x1
#define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_SHIFT                    9
	/* Abilty to support the base memory management extensions */
#define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_MASK                   0x1
#define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_SHIFT          10
#define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_MASK                    0x1
#define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_SHIFT                   11
	/* Abilty to support multipile page sizes per memory region */
#define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_MASK             0x1
#define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_SHIFT            12
	/* Abilty to support block list physical buffer list */
#define QED_RDMA_DEV_CAP_BLOCK_MODE_MASK                        0x1
#define QED_RDMA_DEV_CAP_BLOCK_MODE_SHIFT                       13
	/* Abilty to support zero based virtual addresses */
#define QED_RDMA_DEV_CAP_ZBVA_MASK                              0x1
#define QED_RDMA_DEV_CAP_ZBVA_SHIFT                             14
	/* Abilty to support local invalidate fencing */
#define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_MASK                   0x1
#define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_SHIFT          15
	/* Abilty to support Loopback on QP */
#define QED_RDMA_DEV_CAP_LB_INDICATOR_MASK                      0x1
#define QED_RDMA_DEV_CAP_LB_INDICATOR_SHIFT                     16
	u64 page_size_caps;
	u8 dev_ack_delay;
	u32 reserved_lkey;
	u32 bad_pkey_counter;
	struct qed_rdma_events events;
};

enum qed_port_state {
	QED_RDMA_PORT_UP,
	QED_RDMA_PORT_DOWN,
};

enum qed_roce_capability {
	QED_ROCE_V1 = 1 << 0,
	QED_ROCE_V2 = 1 << 1,
};

struct qed_rdma_port {
	enum qed_port_state port_state;
	int link_speed;
	u64 max_msg_size;
	u8 source_gid_table_len;
	void *source_gid_table_ptr;
	u8 pkey_table_len;
	void *pkey_table_ptr;
	u32 pkey_bad_counter;
	enum qed_roce_capability capability;
};

struct qed_rdma_cnq_params {
	u8 num_pbl_pages;
	u64 pbl_ptr;
};

/* The CQ Mode affects the CQ doorbell transaction size.
 * 64/32 bit machines should configure to 32/16 bits respectively.
 */
enum qed_rdma_cq_mode {
	QED_RDMA_CQ_MODE_16_BITS,
	QED_RDMA_CQ_MODE_32_BITS,
};

struct qed_roce_dcqcn_params {
	u8 notification_point;
	u8 reaction_point;

	/* fields for notification point */
	u32 cnp_send_timeout;

	/* fields for reaction point */
	u32 rl_bc_rate;
	u16 rl_max_rate;
	u16 rl_r_ai;
	u16 rl_r_hai;
	u16 dcqcn_g;
	u32 dcqcn_k_us;
	u32 dcqcn_timeout_us;
};

struct qed_rdma_start_in_params {
	struct qed_rdma_events *events;
	struct qed_rdma_cnq_params cnq_pbl_list[128];
	u8 desired_cnq;
	enum qed_rdma_cq_mode cq_mode;
	struct qed_roce_dcqcn_params dcqcn_params;
	u16 max_mtu;
	u8 mac_addr[ETH_ALEN];
	u8 iwarp_flags;
};

struct qed_rdma_add_user_out_params {
	u16 dpi;
	u64 dpi_addr;
	u64 dpi_phys_addr;
	u32 dpi_size;
	u16 wid_count;
};

enum roce_mode {
	ROCE_V1,
	ROCE_V2_IPV4,
	ROCE_V2_IPV6,
	MAX_ROCE_MODE
};

union qed_gid {
	u8 bytes[16];
	u16 words[8];
	u32 dwords[4];
	u64 qwords[2];
	u32 ipv4_addr;
};

struct qed_rdma_register_tid_in_params {
	u32 itid;
	enum qed_rdma_tid_type tid_type;
	u8 key;
	u16 pd;
	bool local_read;
	bool local_write;
	bool remote_read;
	bool remote_write;
	bool remote_atomic;
	bool mw_bind;
	u64 pbl_ptr;
	bool pbl_two_level;
	u8 pbl_page_size_log;
	u8 page_size_log;
	u32 fbo;
	u64 length;
	u64 vaddr;
	bool zbva;
	bool phy_mr;
	bool dma_mr;

	bool dif_enabled;
	u64 dif_error_addr;
	u64 dif_runt_addr;
};

struct qed_rdma_create_cq_in_params {
	u32 cq_handle_lo;
	u32 cq_handle_hi;
	u32 cq_size;
	u16 dpi;
	bool pbl_two_level;
	u64 pbl_ptr;
	u16 pbl_num_pages;
	u8 pbl_page_size_log;
	u8 cnq_id;
	u16 int_timeout;
};

struct qed_rdma_create_srq_in_params {
	u64 pbl_base_addr;
	u64 prod_pair_addr;
	u16 num_pages;
	u16 pd_id;
	u16 page_size;
};

struct qed_rdma_destroy_cq_in_params {
	u16 icid;
};

struct qed_rdma_destroy_cq_out_params {
	u16 num_cq_notif;
};

struct qed_rdma_create_qp_in_params {
	u32 qp_handle_lo;
	u32 qp_handle_hi;
	u32 qp_handle_async_lo;
	u32 qp_handle_async_hi;
	bool use_srq;
	bool signal_all;
	bool fmr_and_reserved_lkey;
	u16 pd;
	u16 dpi;
	u16 sq_cq_id;
	u16 sq_num_pages;
	u64 sq_pbl_ptr;
	u8 max_sq_sges;
	u16 rq_cq_id;
	u16 rq_num_pages;
	u64 rq_pbl_ptr;
	u16 srq_id;
	u8 stats_queue;
};

struct qed_rdma_create_qp_out_params {
	u32 qp_id;
	u16 icid;
	void *rq_pbl_virt;
	dma_addr_t rq_pbl_phys;
	void *sq_pbl_virt;
	dma_addr_t sq_pbl_phys;
};

struct qed_rdma_modify_qp_in_params {
	u32 modify_flags;
#define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_MASK               0x1
#define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_SHIFT              0
#define QED_ROCE_MODIFY_QP_VALID_PKEY_MASK                    0x1
#define QED_ROCE_MODIFY_QP_VALID_PKEY_SHIFT                   1
#define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_MASK             0x1
#define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_SHIFT            2
#define QED_ROCE_MODIFY_QP_VALID_DEST_QP_MASK                 0x1
#define QED_ROCE_MODIFY_QP_VALID_DEST_QP_SHIFT                3
#define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_MASK          0x1
#define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_SHIFT         4
#define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_MASK                  0x1
#define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_SHIFT                 5
#define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_MASK                  0x1
#define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_SHIFT                 6
#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_MASK       0x1
#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_SHIFT      7
#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_MASK      0x1
#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_SHIFT     8
#define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_MASK             0x1
#define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_SHIFT            9
#define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_MASK               0x1
#define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_SHIFT              10
#define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_MASK           0x1
#define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_SHIFT          11
#define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_MASK       0x1
#define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_SHIFT      12
#define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_MASK     0x1
#define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_SHIFT    13
#define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_MASK               0x1
#define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_SHIFT              14

	enum qed_roce_qp_state new_state;
	u16 pkey;
	bool incoming_rdma_read_en;
	bool incoming_rdma_write_en;
	bool incoming_atomic_en;
	bool e2e_flow_control_en;
	u32 dest_qp;
	bool lb_indication;
	u16 mtu;
	u8 traffic_class_tos;
	u8 hop_limit_ttl;
	u32 flow_label;
	union qed_gid sgid;
	union qed_gid dgid;
	u16 udp_src_port;

	u16 vlan_id;

	u32 rq_psn;
	u32 sq_psn;
	u8 max_rd_atomic_resp;
	u8 max_rd_atomic_req;
	u32 ack_timeout;
	u8 retry_cnt;
	u8 rnr_retry_cnt;
	u8 min_rnr_nak_timer;
	bool sqd_async;
	u8 remote_mac_addr[6];
	u8 local_mac_addr[6];
	bool use_local_mac;
	enum roce_mode roce_mode;
};

struct qed_rdma_query_qp_out_params {
	enum qed_roce_qp_state state;
	u32 rq_psn;
	u32 sq_psn;
	bool draining;
	u16 mtu;
	u32 dest_qp;
	bool incoming_rdma_read_en;
	bool incoming_rdma_write_en;
	bool incoming_atomic_en;
	bool e2e_flow_control_en;
	union qed_gid sgid;
	union qed_gid dgid;
	u32 flow_label;
	u8 hop_limit_ttl;
	u8 traffic_class_tos;
	u32 timeout;
	u8 rnr_retry;
	u8 retry_cnt;
	u8 min_rnr_nak_timer;
	u16 pkey_index;
	u8 max_rd_atomic;
	u8 max_dest_rd_atomic;
	bool sqd_async;
};

struct qed_rdma_create_srq_out_params {
	u16 srq_id;
};

struct qed_rdma_destroy_srq_in_params {
	u16 srq_id;
};

struct qed_rdma_modify_srq_in_params {
	u32 wqe_limit;
	u16 srq_id;
};

struct qed_rdma_stats_out_params {
	u64 sent_bytes;
	u64 sent_pkts;
	u64 rcv_bytes;
	u64 rcv_pkts;
};

struct qed_rdma_counters_out_params {
	u64 pd_count;
	u64 max_pd;
	u64 dpi_count;
	u64 max_dpi;
	u64 cq_count;
	u64 max_cq;
	u64 qp_count;
	u64 max_qp;
	u64 tid_count;
	u64 max_tid;
};

#define QED_ROCE_TX_HEAD_FAILURE        (1)
#define QED_ROCE_TX_FRAG_FAILURE        (2)

enum qed_iwarp_event_type {
	QED_IWARP_EVENT_MPA_REQUEST,	  /* Passive side request received */
	QED_IWARP_EVENT_PASSIVE_COMPLETE, /* ack on mpa response */
	QED_IWARP_EVENT_ACTIVE_COMPLETE,  /* Active side reply received */
	QED_IWARP_EVENT_DISCONNECT,
	QED_IWARP_EVENT_CLOSE,
	QED_IWARP_EVENT_ACTIVE_MPA_REPLY,
};

enum qed_tcp_ip_version {
	QED_TCP_IPV4,
	QED_TCP_IPV6,
};

struct qed_iwarp_cm_info {
	enum qed_tcp_ip_version ip_version;
	u32 remote_ip[4];
	u32 local_ip[4];
	u16 remote_port;
	u16 local_port;
	u16 vlan;
	u8 ord;
	u8 ird;
	u16 private_data_len;
	const void *private_data;
};

struct qed_iwarp_cm_event_params {
	enum qed_iwarp_event_type event;
	const struct qed_iwarp_cm_info *cm_info;
	void *ep_context;	/* To be passed to accept call */
	int status;
};

typedef int (*iwarp_event_handler) (void *context,
				    struct qed_iwarp_cm_event_params *event);

struct qed_iwarp_connect_in {
	iwarp_event_handler event_cb;
	void *cb_context;
	struct qed_rdma_qp *qp;
	struct qed_iwarp_cm_info cm_info;
	u16 mss;
	u8 remote_mac_addr[ETH_ALEN];
	u8 local_mac_addr[ETH_ALEN];
};

struct qed_iwarp_connect_out {
	void *ep_context;
};

struct qed_iwarp_listen_in {
	iwarp_event_handler event_cb;
	void *cb_context;	/* passed to event_cb */
	u32 max_backlog;
	enum qed_tcp_ip_version ip_version;
	u32 ip_addr[4];
	u16 port;
	u16 vlan;
};

struct qed_iwarp_listen_out {
	void *handle;
};

struct qed_iwarp_accept_in {
	void *ep_context;
	void *cb_context;
	struct qed_rdma_qp *qp;
	const void *private_data;
	u16 private_data_len;
	u8 ord;
	u8 ird;
};

struct qed_iwarp_reject_in {
	void *ep_context;
	void *cb_context;
	const void *private_data;
	u16 private_data_len;
};

struct qed_iwarp_send_rtr_in {
	void *ep_context;
};

struct qed_roce_ll2_header {
	void *vaddr;
	dma_addr_t baddr;
	size_t len;
};

struct qed_roce_ll2_buffer {
	dma_addr_t baddr;
	size_t len;
};

struct qed_roce_ll2_packet {
	struct qed_roce_ll2_header header;
	int n_seg;
	struct qed_roce_ll2_buffer payload[RDMA_MAX_SGE_PER_SQ_WQE];
	int roce_mode;
	enum qed_roce_ll2_tx_dest tx_dest;
};

enum qed_rdma_type {
	QED_RDMA_TYPE_ROCE,
	QED_RDMA_TYPE_IWARP
};

struct qed_dev_rdma_info {
	struct qed_dev_info common;
	enum qed_rdma_type rdma_type;
	u8 user_dpm_enabled;
};

struct qed_rdma_ops {
	const struct qed_common_ops *common;

	int (*fill_dev_info)(struct qed_dev *cdev,
			     struct qed_dev_rdma_info *info);
	void *(*rdma_get_rdma_ctx)(struct qed_dev *cdev);

	int (*rdma_init)(struct qed_dev *dev,
			 struct qed_rdma_start_in_params *iparams);

	int (*rdma_add_user)(void *rdma_cxt,
			     struct qed_rdma_add_user_out_params *oparams);

	void (*rdma_remove_user)(void *rdma_cxt, u16 dpi);
	int (*rdma_stop)(void *rdma_cxt);
	struct qed_rdma_device* (*rdma_query_device)(void *rdma_cxt);
	struct qed_rdma_port* (*rdma_query_port)(void *rdma_cxt);
	int (*rdma_get_start_sb)(struct qed_dev *cdev);
	int (*rdma_get_min_cnq_msix)(struct qed_dev *cdev);
	void (*rdma_cnq_prod_update)(void *rdma_cxt, u8 cnq_index, u16 prod);
	int (*rdma_get_rdma_int)(struct qed_dev *cdev,
				 struct qed_int_info *info);
	int (*rdma_set_rdma_int)(struct qed_dev *cdev, u16 cnt);
	int (*rdma_alloc_pd)(void *rdma_cxt, u16 *pd);
	void (*rdma_dealloc_pd)(void *rdma_cxt, u16 pd);
	int (*rdma_create_cq)(void *rdma_cxt,
			      struct qed_rdma_create_cq_in_params *params,
			      u16 *icid);
	int (*rdma_destroy_cq)(void *rdma_cxt,
			       struct qed_rdma_destroy_cq_in_params *iparams,
			       struct qed_rdma_destroy_cq_out_params *oparams);
	struct qed_rdma_qp *
	(*rdma_create_qp)(void *rdma_cxt,
			  struct qed_rdma_create_qp_in_params *iparams,
			  struct qed_rdma_create_qp_out_params *oparams);

	int (*rdma_modify_qp)(void *roce_cxt, struct qed_rdma_qp *qp,
			      struct qed_rdma_modify_qp_in_params *iparams);

	int (*rdma_query_qp)(void *rdma_cxt, struct qed_rdma_qp *qp,
			     struct qed_rdma_query_qp_out_params *oparams);
	int (*rdma_destroy_qp)(void *rdma_cxt, struct qed_rdma_qp *qp);

	int
	(*rdma_register_tid)(void *rdma_cxt,
			     struct qed_rdma_register_tid_in_params *iparams);

	int (*rdma_deregister_tid)(void *rdma_cxt, u32 itid);
	int (*rdma_alloc_tid)(void *rdma_cxt, u32 *itid);
	void (*rdma_free_tid)(void *rdma_cxt, u32 itid);

	int (*ll2_acquire_connection)(void *rdma_cxt,
				      struct qed_ll2_acquire_data *data);

	int (*ll2_establish_connection)(void *rdma_cxt, u8 connection_handle);
	int (*ll2_terminate_connection)(void *rdma_cxt, u8 connection_handle);
	void (*ll2_release_connection)(void *rdma_cxt, u8 connection_handle);

	int (*ll2_prepare_tx_packet)(void *rdma_cxt,
				     u8 connection_handle,
				     struct qed_ll2_tx_pkt_info *pkt,
				     bool notify_fw);

	int (*ll2_set_fragment_of_tx_packet)(void *rdma_cxt,
					     u8 connection_handle,
					     dma_addr_t addr,
					     u16 nbytes);
	int (*ll2_post_rx_buffer)(void *rdma_cxt, u8 connection_handle,
				  dma_addr_t addr, u16 buf_len, void *cookie,
				  u8 notify_fw);
	int (*ll2_get_stats)(void *rdma_cxt,
			     u8 connection_handle,
			     struct qed_ll2_stats *p_stats);
	int (*ll2_set_mac_filter)(struct qed_dev *cdev,
				  u8 *old_mac_address, u8 *new_mac_address);

	int (*iwarp_connect)(void *rdma_cxt,
			     struct qed_iwarp_connect_in *iparams,
			     struct qed_iwarp_connect_out *oparams);

	int (*iwarp_create_listen)(void *rdma_cxt,
				   struct qed_iwarp_listen_in *iparams,
				   struct qed_iwarp_listen_out *oparams);

	int (*iwarp_accept)(void *rdma_cxt,
			    struct qed_iwarp_accept_in *iparams);

	int (*iwarp_reject)(void *rdma_cxt,
			    struct qed_iwarp_reject_in *iparams);

	int (*iwarp_destroy_listen)(void *rdma_cxt, void *handle);

	int (*iwarp_send_rtr)(void *rdma_cxt,
			      struct qed_iwarp_send_rtr_in *iparams);
};

const struct qed_rdma_ops *qed_get_rdma_ops(void);

#endif
Commit	Line	Data
51ff1725	1	/* QLogic qed NIC Driver
e8f1cb50	2	* Copyright (c) 2015-2017 QLogic Corporation
51ff1725 RA	3	*
	4	* This software is available to you under a choice of one of two
	5	* licenses. You may choose to be licensed under the terms of the GNU
	6	* General Public License (GPL) Version 2, available from the file
	7	* COPYING in the main directory of this source tree, or the
	8	* OpenIB.org BSD license below:
	9	*
	10	* Redistribution and use in source and binary forms, with or
	11	* without modification, are permitted provided that the following
	12	* conditions are met:
	13	*
	14	* - Redistributions of source code must retain the above
	15	* copyright notice, this list of conditions and the following
	16	* disclaimer.
	17	*
	18	* - Redistributions in binary form must reproduce the above
	19	* copyright notice, this list of conditions and the following
	20	* disclaimer in the documentation and /or other materials
	21	* provided with the distribution.
	22	*
	23	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	24	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	25	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	26	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	27	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	28	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	29	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	30	* SOFTWARE.
	31	*/
7003cdd6 KM	32	#ifndef _QED_RDMA_IF_H
7003cdd6 KM	33	#define _QED_RDMA_IF_H
51ff1725 RA	34	#include <linux/types.h>
	35	#include <linux/delay.h>
	36	#include <linux/list.h>
51ff1725 RA	37	#include <linux/slab.h>
	38	#include <linux/qed/qed_if.h>
	39	#include <linux/qed/qed_ll2_if.h>
abd49676 RA	40	#include <linux/qed/rdma_common.h>
	41
	42	enum qed_roce_ll2_tx_dest {
	43	/* Light L2 TX Destination to the Network */
	44	QED_ROCE_LL2_TX_DEST_NW,
	45
	46	/* Light L2 TX Destination to the Loopback */
	47	QED_ROCE_LL2_TX_DEST_LB,
	48	QED_ROCE_LL2_TX_DEST_MAX
	49	};
51ff1725 RA	50
	51	#define QED_RDMA_MAX_CNQ_SIZE (0xFFFF)
	52
	53	/* rdma interface */
f1093940 RA	54
	55	enum qed_roce_qp_state {
	56	QED_ROCE_QP_STATE_RESET,
	57	QED_ROCE_QP_STATE_INIT,
	58	QED_ROCE_QP_STATE_RTR,
	59	QED_ROCE_QP_STATE_RTS,
	60	QED_ROCE_QP_STATE_SQD,
	61	QED_ROCE_QP_STATE_ERR,
	62	QED_ROCE_QP_STATE_SQE
	63	};
	64
51ff1725 RA	65	enum qed_rdma_tid_type {
	66	QED_RDMA_TID_REGISTERED_MR,
	67	QED_RDMA_TID_FMR,
	68	QED_RDMA_TID_MW_TYPE1,
	69	QED_RDMA_TID_MW_TYPE2A
	70	};
	71
	72	struct qed_rdma_events {
	73	void *context;
	74	void (affiliated_event)(void context, u8 fw_event_code,
	75	void *fw_handle);
	76	void (unaffiliated_event)(void context, u8 event_code);
	77	};
	78
	79	struct qed_rdma_device {
	80	u32 vendor_id;
	81	u32 vendor_part_id;
	82	u32 hw_ver;
	83	u64 fw_ver;
	84
	85	u64 node_guid;
	86	u64 sys_image_guid;
	87
	88	u8 max_cnq;
	89	u8 max_sge;
	90	u8 max_srq_sge;
	91	u16 max_inline;
	92	u32 max_wqe;
	93	u32 max_srq_wqe;
	94	u8 max_qp_resp_rd_atomic_resc;
	95	u8 max_qp_req_rd_atomic_resc;
	96	u64 max_dev_resp_rd_atomic_resc;
	97	u32 max_cq;
	98	u32 max_qp;
	99	u32 max_srq;
	100	u32 max_mr;
	101	u64 max_mr_size;
	102	u32 max_cqe;
	103	u32 max_mw;
	104	u32 max_fmr;
	105	u32 max_mr_mw_fmr_pbl;
	106	u64 max_mr_mw_fmr_size;
	107	u32 max_pd;
	108	u32 max_ah;
	109	u8 max_pkey;
	110	u16 max_srq_wr;
	111	u8 max_stats_queues;
	112	u32 dev_caps;
	113
	114	/* Abilty to support RNR-NAK generation */
	115
	116	#define QED_RDMA_DEV_CAP_RNR_NAK_MASK 0x1
	117	#define QED_RDMA_DEV_CAP_RNR_NAK_SHIFT 0
	118	/* Abilty to support shutdown port */
	119	#define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_MASK 0x1
	120	#define QED_RDMA_DEV_CAP_SHUTDOWN_PORT_SHIFT 1
	121	/* Abilty to support port active event */
	122	#define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_MASK 0x1
	123	#define QED_RDMA_DEV_CAP_PORT_ACTIVE_EVENT_SHIFT 2
	124	/* Abilty to support port change event */
	125	#define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_MASK 0x1
	126	#define QED_RDMA_DEV_CAP_PORT_CHANGE_EVENT_SHIFT 3
	127	/* Abilty to support system image GUID */
	128	#define QED_RDMA_DEV_CAP_SYS_IMAGE_MASK 0x1
129	#define QED_RDMA_DEV_CAP_SYS_IMAGE_SHIFT 4
130	/* Abilty to support bad P_Key counter support */
131	#define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_MASK 0x1
132	#define QED_RDMA_DEV_CAP_BAD_PKEY_CNT_SHIFT 5
133	/* Abilty to support atomic operations */
134	#define QED_RDMA_DEV_CAP_ATOMIC_OP_MASK 0x1
135	#define QED_RDMA_DEV_CAP_ATOMIC_OP_SHIFT 6
136	#define QED_RDMA_DEV_CAP_RESIZE_CQ_MASK 0x1
137	#define QED_RDMA_DEV_CAP_RESIZE_CQ_SHIFT 7
138	/* Abilty to support modifying the maximum number of
139	* outstanding work requests per QP
140	*/
141	#define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_MASK 0x1
142	#define QED_RDMA_DEV_CAP_RESIZE_MAX_WR_SHIFT 8
143	/* Abilty to support automatic path migration */
144	#define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_MASK 0x1
145	#define QED_RDMA_DEV_CAP_AUTO_PATH_MIG_SHIFT 9
146	/* Abilty to support the base memory management extensions */
147	#define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_MASK 0x1
148	#define QED_RDMA_DEV_CAP_BASE_MEMORY_EXT_SHIFT 10
149	#define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_MASK 0x1
150	#define QED_RDMA_DEV_CAP_BASE_QUEUE_EXT_SHIFT 11
151	/* Abilty to support multipile page sizes per memory region */
152	#define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_MASK 0x1
153	#define QED_RDMA_DEV_CAP_MULTI_PAGE_PER_MR_EXT_SHIFT 12
154	/* Abilty to support block list physical buffer list */
155	#define QED_RDMA_DEV_CAP_BLOCK_MODE_MASK 0x1
156	#define QED_RDMA_DEV_CAP_BLOCK_MODE_SHIFT 13
157	/* Abilty to support zero based virtual addresses */
158	#define QED_RDMA_DEV_CAP_ZBVA_MASK 0x1
159	#define QED_RDMA_DEV_CAP_ZBVA_SHIFT 14
160	/* Abilty to support local invalidate fencing */
161	#define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_MASK 0x1
162	#define QED_RDMA_DEV_CAP_LOCAL_INV_FENCE_SHIFT 15
163	/* Abilty to support Loopback on QP */
164	#define QED_RDMA_DEV_CAP_LB_INDICATOR_MASK 0x1
165	#define QED_RDMA_DEV_CAP_LB_INDICATOR_SHIFT 16
166	u64 page_size_caps;
167	u8 dev_ack_delay;
168	u32 reserved_lkey;
169	u32 bad_pkey_counter;
170	struct qed_rdma_events events;
171	};
172
173	enum qed_port_state {
174	QED_RDMA_PORT_UP,
175	QED_RDMA_PORT_DOWN,
176	};
177
178	enum qed_roce_capability {
179	QED_ROCE_V1 = 1 << 0,
180	QED_ROCE_V2 = 1 << 1,
181	};
182
183	struct qed_rdma_port {
184	enum qed_port_state port_state;
185	int link_speed;
186	u64 max_msg_size;
187	u8 source_gid_table_len;
188	void *source_gid_table_ptr;
189	u8 pkey_table_len;
190	void *pkey_table_ptr;
191	u32 pkey_bad_counter;
192	enum qed_roce_capability capability;
193	};
194
195	struct qed_rdma_cnq_params {
196	u8 num_pbl_pages;
197	u64 pbl_ptr;
198	};
199
200	/* The CQ Mode affects the CQ doorbell transaction size.
201	* 64/32 bit machines should configure to 32/16 bits respectively.
202	*/
203	enum qed_rdma_cq_mode {
204	QED_RDMA_CQ_MODE_16_BITS,
205	QED_RDMA_CQ_MODE_32_BITS,
206	};
207
208	struct qed_roce_dcqcn_params {
209	u8 notification_point;
210	u8 reaction_point;
211
212	/* fields for notification point */
213	u32 cnp_send_timeout;
214
215	/* fields for reaction point */
216	u32 rl_bc_rate;
217	u16 rl_max_rate;
218	u16 rl_r_ai;
219	u16 rl_r_hai;
220	u16 dcqcn_g;
221	u32 dcqcn_k_us;
222	u32 dcqcn_timeout_us;
223	};
224
225	struct qed_rdma_start_in_params {
226	struct qed_rdma_events *events;
227	struct qed_rdma_cnq_params cnq_pbl_list[128];
228	u8 desired_cnq;
229	enum qed_rdma_cq_mode cq_mode;
230	struct qed_roce_dcqcn_params dcqcn_params;
231	u16 max_mtu;
232	u8 mac_addr[ETH_ALEN];
233	u8 iwarp_flags;
234	};
235
236	struct qed_rdma_add_user_out_params {
237	u16 dpi;
238	u64 dpi_addr;
239	u64 dpi_phys_addr;
240	u32 dpi_size;
20b1bd96	241	u16 wid_count;
51ff1725 RA	242	};
	243
	244	enum roce_mode {
	245	ROCE_V1,
	246	ROCE_V2_IPV4,
	247	ROCE_V2_IPV6,
	248	MAX_ROCE_MODE
	249	};
	250
	251	union qed_gid {
	252	u8 bytes[16];
	253	u16 words[8];
	254	u32 dwords[4];
	255	u64 qwords[2];
	256	u32 ipv4_addr;
	257	};
	258
	259	struct qed_rdma_register_tid_in_params {
	260	u32 itid;
	261	enum qed_rdma_tid_type tid_type;
	262	u8 key;
	263	u16 pd;
	264	bool local_read;
	265	bool local_write;
	266	bool remote_read;
	267	bool remote_write;
	268	bool remote_atomic;
	269	bool mw_bind;
	270	u64 pbl_ptr;
	271	bool pbl_two_level;
	272	u8 pbl_page_size_log;
	273	u8 page_size_log;
	274	u32 fbo;
	275	u64 length;
	276	u64 vaddr;
	277	bool zbva;
	278	bool phy_mr;
	279	bool dma_mr;
	280
	281	bool dif_enabled;
	282	u64 dif_error_addr;
	283	u64 dif_runt_addr;
	284	};
	285
c295f86e RA	286	struct qed_rdma_create_cq_in_params {
	287	u32 cq_handle_lo;
	288	u32 cq_handle_hi;
	289	u32 cq_size;
	290	u16 dpi;
	291	bool pbl_two_level;
	292	u64 pbl_ptr;
	293	u16 pbl_num_pages;
	294	u8 pbl_page_size_log;
	295	u8 cnq_id;
	296	u16 int_timeout;
	297	};
	298
51ff1725 RA	299	struct qed_rdma_create_srq_in_params {
	300	u64 pbl_base_addr;
	301	u64 prod_pair_addr;
	302	u16 num_pages;
	303	u16 pd_id;
	304	u16 page_size;
	305	};
	306
c295f86e RA	307	struct qed_rdma_destroy_cq_in_params {
	308	u16 icid;
	309	};
	310
	311	struct qed_rdma_destroy_cq_out_params {
	312	u16 num_cq_notif;
	313	};
	314
f1093940 RA	315	struct qed_rdma_create_qp_in_params {
	316	u32 qp_handle_lo;
	317	u32 qp_handle_hi;
	318	u32 qp_handle_async_lo;
	319	u32 qp_handle_async_hi;
	320	bool use_srq;
	321	bool signal_all;
	322	bool fmr_and_reserved_lkey;
	323	u16 pd;
	324	u16 dpi;
	325	u16 sq_cq_id;
	326	u16 sq_num_pages;
	327	u64 sq_pbl_ptr;
	328	u8 max_sq_sges;
	329	u16 rq_cq_id;
	330	u16 rq_num_pages;
	331	u64 rq_pbl_ptr;
	332	u16 srq_id;
	333	u8 stats_queue;
	334	};
	335
	336	struct qed_rdma_create_qp_out_params {
	337	u32 qp_id;
	338	u16 icid;
	339	void *rq_pbl_virt;
	340	dma_addr_t rq_pbl_phys;
	341	void *sq_pbl_virt;
	342	dma_addr_t sq_pbl_phys;
	343	};
	344
	345	struct qed_rdma_modify_qp_in_params {
	346	u32 modify_flags;
	347	#define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_MASK 0x1
	348	#define QED_RDMA_MODIFY_QP_VALID_NEW_STATE_SHIFT 0
	349	#define QED_ROCE_MODIFY_QP_VALID_PKEY_MASK 0x1
	350	#define QED_ROCE_MODIFY_QP_VALID_PKEY_SHIFT 1
	351	#define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_MASK 0x1
	352	#define QED_RDMA_MODIFY_QP_VALID_RDMA_OPS_EN_SHIFT 2
	353	#define QED_ROCE_MODIFY_QP_VALID_DEST_QP_MASK 0x1
	354	#define QED_ROCE_MODIFY_QP_VALID_DEST_QP_SHIFT 3
	355	#define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_MASK 0x1
	356	#define QED_ROCE_MODIFY_QP_VALID_ADDRESS_VECTOR_SHIFT 4
	357	#define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_MASK 0x1
	358	#define QED_ROCE_MODIFY_QP_VALID_RQ_PSN_SHIFT 5
	359	#define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_MASK 0x1
	360	#define QED_ROCE_MODIFY_QP_VALID_SQ_PSN_SHIFT 6
	361	#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_MASK 0x1
	362	#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_REQ_SHIFT 7
	363	#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_MASK 0x1
	364	#define QED_RDMA_MODIFY_QP_VALID_MAX_RD_ATOMIC_RESP_SHIFT 8
	365	#define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_MASK 0x1
	366	#define QED_ROCE_MODIFY_QP_VALID_ACK_TIMEOUT_SHIFT 9
	367	#define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_MASK 0x1
	368	#define QED_ROCE_MODIFY_QP_VALID_RETRY_CNT_SHIFT 10
	369	#define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_MASK 0x1
	370	#define QED_ROCE_MODIFY_QP_VALID_RNR_RETRY_CNT_SHIFT 11
	371	#define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_MASK 0x1
	372	#define QED_ROCE_MODIFY_QP_VALID_MIN_RNR_NAK_TIMER_SHIFT 12
	373	#define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_MASK 0x1
	374	#define QED_ROCE_MODIFY_QP_VALID_E2E_FLOW_CONTROL_EN_SHIFT 13
	375	#define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_MASK 0x1
	376	#define QED_ROCE_MODIFY_QP_VALID_ROCE_MODE_SHIFT 14
	377
	378	enum qed_roce_qp_state new_state;
379	u16 pkey;
380	bool incoming_rdma_read_en;
381	bool incoming_rdma_write_en;
382	bool incoming_atomic_en;
383	bool e2e_flow_control_en;
384	u32 dest_qp;
385	bool lb_indication;
386	u16 mtu;
387	u8 traffic_class_tos;
388	u8 hop_limit_ttl;
389	u32 flow_label;
390	union qed_gid sgid;
391	union qed_gid dgid;
392	u16 udp_src_port;
393
394	u16 vlan_id;
395
396	u32 rq_psn;
397	u32 sq_psn;
398	u8 max_rd_atomic_resp;
399	u8 max_rd_atomic_req;
400	u32 ack_timeout;
401	u8 retry_cnt;
402	u8 rnr_retry_cnt;
403	u8 min_rnr_nak_timer;
404	bool sqd_async;
405	u8 remote_mac_addr[6];
406	u8 local_mac_addr[6];
407	bool use_local_mac;
408	enum roce_mode roce_mode;
409	};
410
411	struct qed_rdma_query_qp_out_params {
412	enum qed_roce_qp_state state;
413	u32 rq_psn;
414	u32 sq_psn;
415	bool draining;
416	u16 mtu;
417	u32 dest_qp;
418	bool incoming_rdma_read_en;
419	bool incoming_rdma_write_en;
420	bool incoming_atomic_en;
421	bool e2e_flow_control_en;
422	union qed_gid sgid;
423	union qed_gid dgid;
424	u32 flow_label;
425	u8 hop_limit_ttl;
426	u8 traffic_class_tos;
427	u32 timeout;
428	u8 rnr_retry;
429	u8 retry_cnt;
430	u8 min_rnr_nak_timer;
431	u16 pkey_index;
432	u8 max_rd_atomic;
433	u8 max_dest_rd_atomic;
434	bool sqd_async;
435	};
436
51ff1725 RA	437	struct qed_rdma_create_srq_out_params {
	438	u16 srq_id;
	439	};
	440
	441	struct qed_rdma_destroy_srq_in_params {
	442	u16 srq_id;
	443	};
	444
	445	struct qed_rdma_modify_srq_in_params {
	446	u32 wqe_limit;
	447	u16 srq_id;
	448	};
	449
	450	struct qed_rdma_stats_out_params {
	451	u64 sent_bytes;
	452	u64 sent_pkts;
	453	u64 rcv_bytes;
	454	u64 rcv_pkts;
	455	};
	456
	457	struct qed_rdma_counters_out_params {
	458	u64 pd_count;
	459	u64 max_pd;
	460	u64 dpi_count;
	461	u64 max_dpi;
	462	u64 cq_count;
	463	u64 max_cq;
	464	u64 qp_count;
	465	u64 max_qp;
	466	u64 tid_count;
	467	u64 max_tid;
	468	};
	469
	470	#define QED_ROCE_TX_HEAD_FAILURE (1)
	471	#define QED_ROCE_TX_FRAG_FAILURE (2)
	472
65a91a6c	473	enum qed_iwarp_event_type {
456a5849 KM	474	QED_IWARP_EVENT_MPA_REQUEST, /* Passive side request received */
456a5849 KM	475	QED_IWARP_EVENT_PASSIVE_COMPLETE, /* ack on mpa response */
4b0fdd7c	476	QED_IWARP_EVENT_ACTIVE_COMPLETE, /* Active side reply received */
fc4c6065 KM	477	QED_IWARP_EVENT_DISCONNECT,
fc4c6065 KM	478	QED_IWARP_EVENT_CLOSE,
4b0fdd7c	479	QED_IWARP_EVENT_ACTIVE_MPA_REPLY,
65a91a6c KM	480	};
	481
	482	enum qed_tcp_ip_version {
	483	QED_TCP_IPV4,
	484	QED_TCP_IPV6,
	485	};
	486
	487	struct qed_iwarp_cm_info {
	488	enum qed_tcp_ip_version ip_version;
	489	u32 remote_ip[4];
	490	u32 local_ip[4];
	491	u16 remote_port;
	492	u16 local_port;
	493	u16 vlan;
	494	u8 ord;
	495	u8 ird;
	496	u16 private_data_len;
	497	const void *private_data;
	498	};
	499
	500	struct qed_iwarp_cm_event_params {
	501	enum qed_iwarp_event_type event;
	502	const struct qed_iwarp_cm_info *cm_info;
	503	void ep_context; / To be passed to accept call */
	504	int status;
	505	};
	506
	507	typedef int (iwarp_event_handler) (void context,
	508	struct qed_iwarp_cm_event_params *event);
	509
4b0fdd7c KM	510	struct qed_iwarp_connect_in {
	511	iwarp_event_handler event_cb;
	512	void *cb_context;
	513	struct qed_rdma_qp *qp;
	514	struct qed_iwarp_cm_info cm_info;
	515	u16 mss;
	516	u8 remote_mac_addr[ETH_ALEN];
	517	u8 local_mac_addr[ETH_ALEN];
	518	};
	519
	520	struct qed_iwarp_connect_out {
	521	void *ep_context;
	522	};
	523
65a91a6c KM	524	struct qed_iwarp_listen_in {
	525	iwarp_event_handler event_cb;
	526	void cb_context; / passed to event_cb */
	527	u32 max_backlog;
	528	enum qed_tcp_ip_version ip_version;
	529	u32 ip_addr[4];
	530	u16 port;
	531	u16 vlan;
	532	};
	533
	534	struct qed_iwarp_listen_out {
	535	void *handle;
	536	};
	537
456a5849 KM	538	struct qed_iwarp_accept_in {
	539	void *ep_context;
	540	void *cb_context;
	541	struct qed_rdma_qp *qp;
	542	const void *private_data;
	543	u16 private_data_len;
	544	u8 ord;
	545	u8 ird;
	546	};
	547
	548	struct qed_iwarp_reject_in {
	549	void *ep_context;
	550	void *cb_context;
	551	const void *private_data;
	552	u16 private_data_len;
	553	};
	554
4b0fdd7c KM	555	struct qed_iwarp_send_rtr_in {
	556	void *ep_context;
	557	};
	558
abd49676 RA	559	struct qed_roce_ll2_header {
	560	void *vaddr;
	561	dma_addr_t baddr;
	562	size_t len;
	563	};
	564
	565	struct qed_roce_ll2_buffer {
	566	dma_addr_t baddr;
	567	size_t len;
	568	};
	569
	570	struct qed_roce_ll2_packet {
	571	struct qed_roce_ll2_header header;
	572	int n_seg;
	573	struct qed_roce_ll2_buffer payload[RDMA_MAX_SGE_PER_SQ_WQE];
	574	int roce_mode;
	575	enum qed_roce_ll2_tx_dest tx_dest;
	576	};
	577
51ff1725 RA	578	enum qed_rdma_type {
51ff1725 RA	579	QED_RDMA_TYPE_ROCE,
67b40dcc	580	QED_RDMA_TYPE_IWARP
51ff1725 RA	581	};
	582
	583	struct qed_dev_rdma_info {
	584	struct qed_dev_info common;
	585	enum qed_rdma_type rdma_type;
20b1bd96	586	u8 user_dpm_enabled;
51ff1725 RA	587	};
	588
	589	struct qed_rdma_ops {
	590	const struct qed_common_ops *common;
	591
	592	int (fill_dev_info)(struct qed_dev cdev,
	593	struct qed_dev_rdma_info *info);
	594	void (rdma_get_rdma_ctx)(struct qed_dev *cdev);
	595
	596	int (rdma_init)(struct qed_dev dev,
	597	struct qed_rdma_start_in_params *iparams);
	598
	599	int (rdma_add_user)(void rdma_cxt,
	600	struct qed_rdma_add_user_out_params *oparams);
	601
	602	void (rdma_remove_user)(void rdma_cxt, u16 dpi);
	603	int (rdma_stop)(void rdma_cxt);
	604	struct qed_rdma_device* (rdma_query_device)(void rdma_cxt);
c295f86e	605	struct qed_rdma_port* (rdma_query_port)(void rdma_cxt);
51ff1725 RA	606	int (rdma_get_start_sb)(struct qed_dev cdev);
	607	int (rdma_get_min_cnq_msix)(struct qed_dev cdev);
	608	void (rdma_cnq_prod_update)(void rdma_cxt, u8 cnq_index, u16 prod);
	609	int (rdma_get_rdma_int)(struct qed_dev cdev,
	610	struct qed_int_info *info);
	611	int (rdma_set_rdma_int)(struct qed_dev cdev, u16 cnt);
c295f86e RA	612	int (rdma_alloc_pd)(void rdma_cxt, u16 *pd);
	613	void (rdma_dealloc_pd)(void rdma_cxt, u16 pd);
	614	int (rdma_create_cq)(void rdma_cxt,
	615	struct qed_rdma_create_cq_in_params *params,
	616	u16 *icid);
	617	int (rdma_destroy_cq)(void rdma_cxt,
	618	struct qed_rdma_destroy_cq_in_params *iparams,
	619	struct qed_rdma_destroy_cq_out_params *oparams);
f1093940 RA	620	struct qed_rdma_qp *
	621	(rdma_create_qp)(void rdma_cxt,
	622	struct qed_rdma_create_qp_in_params *iparams,
	623	struct qed_rdma_create_qp_out_params *oparams);
	624
	625	int (rdma_modify_qp)(void roce_cxt, struct qed_rdma_qp *qp,
	626	struct qed_rdma_modify_qp_in_params *iparams);
	627
	628	int (rdma_query_qp)(void rdma_cxt, struct qed_rdma_qp *qp,
	629	struct qed_rdma_query_qp_out_params *oparams);
	630	int (rdma_destroy_qp)(void rdma_cxt, struct qed_rdma_qp *qp);
0518c12f	631
ee8eaea3 RA	632	int
	633	(rdma_register_tid)(void rdma_cxt,
	634	struct qed_rdma_register_tid_in_params *iparams);
0518c12f	635
ee8eaea3 RA	636	int (rdma_deregister_tid)(void rdma_cxt, u32 itid);
	637	int (rdma_alloc_tid)(void rdma_cxt, u32 *itid);
	638	void (rdma_free_tid)(void rdma_cxt, u32 itid);
0518c12f MK	639
	640	int (ll2_acquire_connection)(void rdma_cxt,
	641	struct qed_ll2_acquire_data *data);
	642
	643	int (ll2_establish_connection)(void rdma_cxt, u8 connection_handle);
	644	int (ll2_terminate_connection)(void rdma_cxt, u8 connection_handle);
	645	void (ll2_release_connection)(void rdma_cxt, u8 connection_handle);
	646
	647	int (ll2_prepare_tx_packet)(void rdma_cxt,
	648	u8 connection_handle,
	649	struct qed_ll2_tx_pkt_info *pkt,
	650	bool notify_fw);
	651
	652	int (ll2_set_fragment_of_tx_packet)(void rdma_cxt,
	653	u8 connection_handle,
	654	dma_addr_t addr,
	655	u16 nbytes);
	656	int (ll2_post_rx_buffer)(void rdma_cxt, u8 connection_handle,
	657	dma_addr_t addr, u16 buf_len, void *cookie,
	658	u8 notify_fw);
	659	int (ll2_get_stats)(void rdma_cxt,
	660	u8 connection_handle,
	661	struct qed_ll2_stats *p_stats);
	662	int (ll2_set_mac_filter)(struct qed_dev cdev,
	663	u8 old_mac_address, u8 new_mac_address);
	664
4b0fdd7c KM	665	int (iwarp_connect)(void rdma_cxt,
	666	struct qed_iwarp_connect_in *iparams,
	667	struct qed_iwarp_connect_out *oparams);
	668
65a91a6c KM	669	int (iwarp_create_listen)(void rdma_cxt,
	670	struct qed_iwarp_listen_in *iparams,
	671	struct qed_iwarp_listen_out *oparams);
	672
456a5849 KM	673	int (iwarp_accept)(void rdma_cxt,
	674	struct qed_iwarp_accept_in *iparams);
	675
	676	int (iwarp_reject)(void rdma_cxt,
	677	struct qed_iwarp_reject_in *iparams);
	678
65a91a6c KM	679	int (iwarp_destroy_listen)(void rdma_cxt, void *handle);
65a91a6c KM	680
4b0fdd7c KM	681	int (iwarp_send_rtr)(void rdma_cxt,
4b0fdd7c KM	682	struct qed_iwarp_send_rtr_in *iparams);
51ff1725 RA	683	};
	684
	685	const struct qed_rdma_ops *qed_get_rdma_ops(void);
	686
	687	#endif