/* QLogic qed 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 _QED_ROCE_H #define _QED_ROCE_H #include #include #include #include #include #include #include #include #include "qed.h" #include "qed_dev_api.h" #include "qed_hsi.h" #include "qed_ll2.h" #define QED_RDMA_MAX_FMR (RDMA_MAX_TIDS) #define QED_RDMA_MAX_P_KEY (1) #define QED_RDMA_MAX_WQE (0x7FFF) #define QED_RDMA_MAX_SRQ_WQE_ELEM (0x7FFF) #define QED_RDMA_PAGE_SIZE_CAPS (0xFFFFF000) #define QED_RDMA_ACK_DELAY (15) #define QED_RDMA_MAX_MR_SIZE (0x10000000000ULL) #define QED_RDMA_MAX_CQS (RDMA_MAX_CQS) #define QED_RDMA_MAX_MRS (RDMA_MAX_TIDS) /* Add 1 for header element */ #define QED_RDMA_MAX_SRQ_ELEM_PER_WQE (RDMA_MAX_SGE_PER_RQ_WQE + 1) #define QED_RDMA_MAX_SGE_PER_SRQ_WQE (RDMA_MAX_SGE_PER_RQ_WQE) #define QED_RDMA_SRQ_WQE_ELEM_SIZE (16) #define QED_RDMA_MAX_SRQS (32 * 1024) #define QED_RDMA_MAX_CQE_32_BIT (0x7FFFFFFF - 1) #define QED_RDMA_MAX_CQE_16_BIT (0x7FFF - 1) enum qed_rdma_toggle_bit { QED_RDMA_TOGGLE_BIT_CLEAR = 0, QED_RDMA_TOGGLE_BIT_SET = 1 }; struct qed_bmap { unsigned long *bitmap; u32 max_count; }; struct qed_rdma_info { /* spin lock to protect bitmaps */ spinlock_t lock; struct qed_bmap cq_map; struct qed_bmap pd_map; struct qed_bmap tid_map; struct qed_bmap qp_map; struct qed_bmap srq_map; struct qed_bmap cid_map; struct qed_bmap dpi_map; struct qed_bmap toggle_bits; struct qed_rdma_events events; struct qed_rdma_device *dev; struct qed_rdma_port *port; u32 last_tid; u8 num_cnqs; u32 num_qps; u32 num_mrs; u16 queue_zone_base; enum protocol_type proto; }; struct qed_rdma_resize_cq_in_params { u16 icid; u32 cq_size; bool pbl_two_level; u64 pbl_ptr; u16 pbl_num_pages; u8 pbl_page_size_log; }; struct qed_rdma_resize_cq_out_params { u32 prod; u32 cons; }; struct qed_rdma_resize_cnq_in_params { u32 cnq_id; u32 pbl_page_size_log; u64 pbl_ptr; }; struct qed_rdma_qp { struct regpair qp_handle; struct regpair qp_handle_async; u32 qpid; u16 icid; enum qed_roce_qp_state cur_state; bool use_srq; bool signal_all; bool fmr_and_reserved_lkey; bool incoming_rdma_read_en; bool incoming_rdma_write_en; bool incoming_atomic_en; bool e2e_flow_control_en; u16 pd; u16 pkey; u32 dest_qp; u16 mtu; u16 srq_id; u8 traffic_class_tos; u8 hop_limit_ttl; u16 dpi; u32 flow_label; bool lb_indication; u16 vlan_id; u32 ack_timeout; u8 retry_cnt; u8 rnr_retry_cnt; u8 min_rnr_nak_timer; bool sqd_async; union qed_gid sgid; union qed_gid dgid; enum roce_mode roce_mode; u16 udp_src_port; u8 stats_queue; /* requeseter */ u8 max_rd_atomic_req; u32 sq_psn; u16 sq_cq_id; u16 sq_num_pages; dma_addr_t sq_pbl_ptr; void *orq; dma_addr_t orq_phys_addr; u8 orq_num_pages; bool req_offloaded; /* responder */ u8 max_rd_atomic_resp; u32 rq_psn; u16 rq_cq_id; u16 rq_num_pages; dma_addr_t rq_pbl_ptr; void *irq; dma_addr_t irq_phys_addr; u8 irq_num_pages; bool resp_offloaded; u8 remote_mac_addr[6]; u8 local_mac_addr[6]; void *shared_queue; dma_addr_t shared_queue_phys_addr; }; int qed_rdma_add_user(void *rdma_cxt, struct qed_rdma_add_user_out_params *out_params); int qed_rdma_alloc_pd(void *rdma_cxt, u16 *pd); int qed_rdma_alloc_tid(void *rdma_cxt, u32 *tid); int qed_rdma_deregister_tid(void *rdma_cxt, u32 tid); void qed_rdma_free_tid(void *rdma_cxt, u32 tid); struct qed_rdma_device *qed_rdma_query_device(void *rdma_cxt); struct qed_rdma_port *qed_rdma_query_port(void *rdma_cxt); int qed_rdma_register_tid(void *rdma_cxt, struct qed_rdma_register_tid_in_params *params); void qed_rdma_remove_user(void *rdma_cxt, u16 dpi); int qed_rdma_start(void *p_hwfn, struct qed_rdma_start_in_params *params); int qed_rdma_stop(void *rdma_cxt); u32 qed_rdma_get_sb_id(void *p_hwfn, u32 rel_sb_id); u32 qed_rdma_query_cau_timer_res(void *p_hwfn); void qed_rdma_cnq_prod_update(void *rdma_cxt, u8 cnq_index, u16 prod); void qed_rdma_resc_free(struct qed_hwfn *p_hwfn); void qed_async_roce_event(struct qed_hwfn *p_hwfn, struct event_ring_entry *p_eqe); int qed_rdma_destroy_qp(void *rdma_cxt, struct qed_rdma_qp *qp); int qed_rdma_modify_qp(void *rdma_cxt, struct qed_rdma_qp *qp, struct qed_rdma_modify_qp_in_params *params); int qed_rdma_query_qp(void *rdma_cxt, struct qed_rdma_qp *qp, struct qed_rdma_query_qp_out_params *out_params); #if IS_ENABLED(CONFIG_INFINIBAND_QEDR) void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); #else void qed_rdma_dpm_bar(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt) {} #endif #endif