1cd9b3d59SGal Pressman /* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */ 2cd9b3d59SGal Pressman /* 3e1ca01a9SGal Pressman * Copyright 2018-2020 Amazon.com, Inc. or its affiliates. All rights reserved. 4cd9b3d59SGal Pressman */ 5cd9b3d59SGal Pressman 6cd9b3d59SGal Pressman #ifndef _EFA_COM_CMD_H_ 7cd9b3d59SGal Pressman #define _EFA_COM_CMD_H_ 8cd9b3d59SGal Pressman 9cd9b3d59SGal Pressman #include "efa_com.h" 10cd9b3d59SGal Pressman 11cd9b3d59SGal Pressman #define EFA_GID_SIZE 16 12cd9b3d59SGal Pressman 13cd9b3d59SGal Pressman struct efa_com_create_qp_params { 14cd9b3d59SGal Pressman u64 rq_base_addr; 15cd9b3d59SGal Pressman u32 send_cq_idx; 16cd9b3d59SGal Pressman u32 recv_cq_idx; 17cd9b3d59SGal Pressman /* 18cd9b3d59SGal Pressman * Send descriptor ring size in bytes, 19cd9b3d59SGal Pressman * sufficient for user-provided number of WQEs and SGL size 20cd9b3d59SGal Pressman */ 21cd9b3d59SGal Pressman u32 sq_ring_size_in_bytes; 22cd9b3d59SGal Pressman /* Max number of WQEs that will be posted on send queue */ 23cd9b3d59SGal Pressman u32 sq_depth; 24cd9b3d59SGal Pressman /* Recv descriptor ring size in bytes */ 25cd9b3d59SGal Pressman u32 rq_ring_size_in_bytes; 26cd9b3d59SGal Pressman u32 rq_depth; 27cd9b3d59SGal Pressman u16 pd; 28cd9b3d59SGal Pressman u16 uarn; 29cd9b3d59SGal Pressman u8 qp_type; 30cd9b3d59SGal Pressman }; 31cd9b3d59SGal Pressman 32cd9b3d59SGal Pressman struct efa_com_create_qp_result { 33cd9b3d59SGal Pressman u32 qp_handle; 34cd9b3d59SGal Pressman u32 qp_num; 35cd9b3d59SGal Pressman u32 sq_db_offset; 36cd9b3d59SGal Pressman u32 rq_db_offset; 37cd9b3d59SGal Pressman u32 llq_descriptors_offset; 38cd9b3d59SGal Pressman u16 send_sub_cq_idx; 39cd9b3d59SGal Pressman u16 recv_sub_cq_idx; 40cd9b3d59SGal Pressman }; 41cd9b3d59SGal Pressman 42cd9b3d59SGal Pressman struct efa_com_modify_qp_params { 43cd9b3d59SGal Pressman u32 modify_mask; 44cd9b3d59SGal Pressman u32 qp_handle; 45cd9b3d59SGal Pressman u32 qp_state; 46cd9b3d59SGal Pressman u32 cur_qp_state; 47cd9b3d59SGal Pressman u32 qkey; 48cd9b3d59SGal Pressman u32 sq_psn; 49cd9b3d59SGal Pressman u8 sq_drained_async_notify; 50cd9b3d59SGal Pressman }; 51cd9b3d59SGal Pressman 52cd9b3d59SGal Pressman struct efa_com_query_qp_params { 53cd9b3d59SGal Pressman u32 qp_handle; 54cd9b3d59SGal Pressman }; 55cd9b3d59SGal Pressman 56cd9b3d59SGal Pressman struct efa_com_query_qp_result { 57cd9b3d59SGal Pressman u32 qp_state; 58cd9b3d59SGal Pressman u32 qkey; 59cd9b3d59SGal Pressman u32 sq_draining; 60cd9b3d59SGal Pressman u32 sq_psn; 61cd9b3d59SGal Pressman }; 62cd9b3d59SGal Pressman 63cd9b3d59SGal Pressman struct efa_com_destroy_qp_params { 64cd9b3d59SGal Pressman u32 qp_handle; 65cd9b3d59SGal Pressman }; 66cd9b3d59SGal Pressman 67cd9b3d59SGal Pressman struct efa_com_create_cq_params { 68cd9b3d59SGal Pressman /* cq physical base address in OS memory */ 69cd9b3d59SGal Pressman dma_addr_t dma_addr; 70cd9b3d59SGal Pressman /* completion queue depth in # of entries */ 71cd9b3d59SGal Pressman u16 cq_depth; 72cd9b3d59SGal Pressman u16 num_sub_cqs; 73cd9b3d59SGal Pressman u16 uarn; 74cd9b3d59SGal Pressman u8 entry_size_in_bytes; 75cd9b3d59SGal Pressman }; 76cd9b3d59SGal Pressman 77cd9b3d59SGal Pressman struct efa_com_create_cq_result { 78cd9b3d59SGal Pressman /* cq identifier */ 79cd9b3d59SGal Pressman u16 cq_idx; 80cd9b3d59SGal Pressman /* actual cq depth in # of entries */ 81cd9b3d59SGal Pressman u16 actual_depth; 82cd9b3d59SGal Pressman }; 83cd9b3d59SGal Pressman 84cd9b3d59SGal Pressman struct efa_com_destroy_cq_params { 85cd9b3d59SGal Pressman u16 cq_idx; 86cd9b3d59SGal Pressman }; 87cd9b3d59SGal Pressman 88cd9b3d59SGal Pressman struct efa_com_create_ah_params { 89cd9b3d59SGal Pressman u16 pdn; 90cd9b3d59SGal Pressman /* Destination address in network byte order */ 91cd9b3d59SGal Pressman u8 dest_addr[EFA_GID_SIZE]; 92cd9b3d59SGal Pressman }; 93cd9b3d59SGal Pressman 94cd9b3d59SGal Pressman struct efa_com_create_ah_result { 95cd9b3d59SGal Pressman u16 ah; 96cd9b3d59SGal Pressman }; 97cd9b3d59SGal Pressman 98cd9b3d59SGal Pressman struct efa_com_destroy_ah_params { 99cd9b3d59SGal Pressman u16 ah; 100cd9b3d59SGal Pressman u16 pdn; 101cd9b3d59SGal Pressman }; 102cd9b3d59SGal Pressman 103cd9b3d59SGal Pressman struct efa_com_get_device_attr_result { 104bcf7cc53SGal Pressman u8 addr[EFA_GID_SIZE]; 105cd9b3d59SGal Pressman u64 page_size_cap; 106cd9b3d59SGal Pressman u64 max_mr_pages; 107bcf7cc53SGal Pressman u32 mtu; 108cd9b3d59SGal Pressman u32 fw_version; 109cd9b3d59SGal Pressman u32 admin_api_version; 110cd9b3d59SGal Pressman u32 device_version; 111cd9b3d59SGal Pressman u32 supported_features; 112cd9b3d59SGal Pressman u32 phys_addr_width; 113cd9b3d59SGal Pressman u32 virt_addr_width; 114cd9b3d59SGal Pressman u32 max_qp; 115cd9b3d59SGal Pressman u32 max_sq_depth; /* wqes */ 116cd9b3d59SGal Pressman u32 max_rq_depth; /* wqes */ 117cd9b3d59SGal Pressman u32 max_cq; 118cd9b3d59SGal Pressman u32 max_cq_depth; /* cqes */ 119cd9b3d59SGal Pressman u32 inline_buf_size; 120cd9b3d59SGal Pressman u32 max_mr; 121cd9b3d59SGal Pressman u32 max_pd; 122cd9b3d59SGal Pressman u32 max_ah; 123cd9b3d59SGal Pressman u32 max_llq_size; 124666e8ff5SDaniel Kranzdorf u32 max_rdma_size; 125666e8ff5SDaniel Kranzdorf u32 device_caps; 126cd9b3d59SGal Pressman u16 sub_cqs_per_cq; 127cd9b3d59SGal Pressman u16 max_sq_sge; 128cd9b3d59SGal Pressman u16 max_rq_sge; 129666e8ff5SDaniel Kranzdorf u16 max_wr_rdma_sge; 130cd9b3d59SGal Pressman u8 db_bar; 131cd9b3d59SGal Pressman }; 132cd9b3d59SGal Pressman 133cd9b3d59SGal Pressman struct efa_com_get_hw_hints_result { 134cd9b3d59SGal Pressman u16 mmio_read_timeout; 135cd9b3d59SGal Pressman u16 driver_watchdog_timeout; 136cd9b3d59SGal Pressman u16 admin_completion_timeout; 137cd9b3d59SGal Pressman u16 poll_interval; 138cd9b3d59SGal Pressman u32 reserved[4]; 139cd9b3d59SGal Pressman }; 140cd9b3d59SGal Pressman 141cd9b3d59SGal Pressman struct efa_com_mem_addr { 142cd9b3d59SGal Pressman u32 mem_addr_low; 143cd9b3d59SGal Pressman u32 mem_addr_high; 144cd9b3d59SGal Pressman }; 145cd9b3d59SGal Pressman 146cd9b3d59SGal Pressman /* Used at indirect mode page list chunks for chaining */ 147cd9b3d59SGal Pressman struct efa_com_ctrl_buff_info { 148cd9b3d59SGal Pressman /* indicates length of the buffer pointed by control_buffer_address. */ 149cd9b3d59SGal Pressman u32 length; 150cd9b3d59SGal Pressman /* points to control buffer (direct or indirect) */ 151cd9b3d59SGal Pressman struct efa_com_mem_addr address; 152cd9b3d59SGal Pressman }; 153cd9b3d59SGal Pressman 154cd9b3d59SGal Pressman struct efa_com_reg_mr_params { 155cd9b3d59SGal Pressman /* Memory region length, in bytes. */ 156cd9b3d59SGal Pressman u64 mr_length_in_bytes; 157cd9b3d59SGal Pressman /* IO Virtual Address associated with this MR. */ 158cd9b3d59SGal Pressman u64 iova; 159cd9b3d59SGal Pressman /* words 8:15: Physical Buffer List, each element is page-aligned. */ 160cd9b3d59SGal Pressman union { 161cd9b3d59SGal Pressman /* 162cd9b3d59SGal Pressman * Inline array of physical addresses of app pages 163cd9b3d59SGal Pressman * (optimization for short region reservations) 164cd9b3d59SGal Pressman */ 165cd9b3d59SGal Pressman u64 inline_pbl_array[4]; 166cd9b3d59SGal Pressman /* 167cd9b3d59SGal Pressman * Describes the next physically contiguous chunk of indirect 168cd9b3d59SGal Pressman * page list. A page list contains physical addresses of command 169cd9b3d59SGal Pressman * data pages. Data pages are 4KB; page list chunks are 170cd9b3d59SGal Pressman * variable-sized. 171cd9b3d59SGal Pressman */ 172cd9b3d59SGal Pressman struct efa_com_ctrl_buff_info pbl; 173cd9b3d59SGal Pressman } pbl; 174cd9b3d59SGal Pressman /* number of pages in PBL (redundant, could be calculated) */ 175cd9b3d59SGal Pressman u32 page_num; 176cd9b3d59SGal Pressman /* Protection Domain */ 177cd9b3d59SGal Pressman u16 pd; 178cd9b3d59SGal Pressman /* 179cd9b3d59SGal Pressman * phys_page_size_shift - page size is (1 << phys_page_size_shift) 180cd9b3d59SGal Pressman * Page size is used for building the Virtual to Physical 181cd9b3d59SGal Pressman * address mapping 182cd9b3d59SGal Pressman */ 183cd9b3d59SGal Pressman u8 page_shift; 184e6c4f3ffSDaniel Kranzdorf /* see permissions field of struct efa_admin_reg_mr_cmd */ 185cd9b3d59SGal Pressman u8 permissions; 186cd9b3d59SGal Pressman u8 inline_pbl; 187cd9b3d59SGal Pressman u8 indirect; 188cd9b3d59SGal Pressman }; 189cd9b3d59SGal Pressman 190cd9b3d59SGal Pressman struct efa_com_reg_mr_result { 191cd9b3d59SGal Pressman /* 192cd9b3d59SGal Pressman * To be used in conjunction with local buffers references in SQ and 193cd9b3d59SGal Pressman * RQ WQE 194cd9b3d59SGal Pressman */ 195cd9b3d59SGal Pressman u32 l_key; 196cd9b3d59SGal Pressman /* 197cd9b3d59SGal Pressman * To be used in incoming RDMA semantics messages to refer to remotely 198cd9b3d59SGal Pressman * accessed memory region 199cd9b3d59SGal Pressman */ 200cd9b3d59SGal Pressman u32 r_key; 201cd9b3d59SGal Pressman }; 202cd9b3d59SGal Pressman 203cd9b3d59SGal Pressman struct efa_com_dereg_mr_params { 204cd9b3d59SGal Pressman u32 l_key; 205cd9b3d59SGal Pressman }; 206cd9b3d59SGal Pressman 207cd9b3d59SGal Pressman struct efa_com_alloc_pd_result { 208cd9b3d59SGal Pressman u16 pdn; 209cd9b3d59SGal Pressman }; 210cd9b3d59SGal Pressman 211cd9b3d59SGal Pressman struct efa_com_dealloc_pd_params { 212cd9b3d59SGal Pressman u16 pdn; 213cd9b3d59SGal Pressman }; 214cd9b3d59SGal Pressman 215cd9b3d59SGal Pressman struct efa_com_alloc_uar_result { 216cd9b3d59SGal Pressman u16 uarn; 217cd9b3d59SGal Pressman }; 218cd9b3d59SGal Pressman 219cd9b3d59SGal Pressman struct efa_com_dealloc_uar_params { 220cd9b3d59SGal Pressman u16 uarn; 221cd9b3d59SGal Pressman }; 222cd9b3d59SGal Pressman 22316e9111eSGal Pressman struct efa_com_get_stats_params { 22416e9111eSGal Pressman /* see enum efa_admin_get_stats_type */ 22516e9111eSGal Pressman u8 type; 22616e9111eSGal Pressman /* see enum efa_admin_get_stats_scope */ 22716e9111eSGal Pressman u8 scope; 22816e9111eSGal Pressman u16 scope_modifier; 22916e9111eSGal Pressman }; 23016e9111eSGal Pressman 23116e9111eSGal Pressman struct efa_com_basic_stats { 23216e9111eSGal Pressman u64 tx_bytes; 23316e9111eSGal Pressman u64 tx_pkts; 23416e9111eSGal Pressman u64 rx_bytes; 23516e9111eSGal Pressman u64 rx_pkts; 23616e9111eSGal Pressman u64 rx_drops; 23716e9111eSGal Pressman }; 23816e9111eSGal Pressman 23916e9111eSGal Pressman union efa_com_get_stats_result { 24016e9111eSGal Pressman struct efa_com_basic_stats basic_stats; 24116e9111eSGal Pressman }; 24216e9111eSGal Pressman 243cd9b3d59SGal Pressman void efa_com_set_dma_addr(dma_addr_t addr, u32 *addr_high, u32 *addr_low); 244cd9b3d59SGal Pressman int efa_com_create_qp(struct efa_com_dev *edev, 245cd9b3d59SGal Pressman struct efa_com_create_qp_params *params, 246cd9b3d59SGal Pressman struct efa_com_create_qp_result *res); 247cd9b3d59SGal Pressman int efa_com_modify_qp(struct efa_com_dev *edev, 248cd9b3d59SGal Pressman struct efa_com_modify_qp_params *params); 249cd9b3d59SGal Pressman int efa_com_query_qp(struct efa_com_dev *edev, 250cd9b3d59SGal Pressman struct efa_com_query_qp_params *params, 251cd9b3d59SGal Pressman struct efa_com_query_qp_result *result); 252cd9b3d59SGal Pressman int efa_com_destroy_qp(struct efa_com_dev *edev, 253cd9b3d59SGal Pressman struct efa_com_destroy_qp_params *params); 254cd9b3d59SGal Pressman int efa_com_create_cq(struct efa_com_dev *edev, 255cd9b3d59SGal Pressman struct efa_com_create_cq_params *params, 256cd9b3d59SGal Pressman struct efa_com_create_cq_result *result); 257cd9b3d59SGal Pressman int efa_com_destroy_cq(struct efa_com_dev *edev, 258cd9b3d59SGal Pressman struct efa_com_destroy_cq_params *params); 259cd9b3d59SGal Pressman int efa_com_register_mr(struct efa_com_dev *edev, 260cd9b3d59SGal Pressman struct efa_com_reg_mr_params *params, 261cd9b3d59SGal Pressman struct efa_com_reg_mr_result *result); 262cd9b3d59SGal Pressman int efa_com_dereg_mr(struct efa_com_dev *edev, 263cd9b3d59SGal Pressman struct efa_com_dereg_mr_params *params); 264cd9b3d59SGal Pressman int efa_com_create_ah(struct efa_com_dev *edev, 265cd9b3d59SGal Pressman struct efa_com_create_ah_params *params, 266cd9b3d59SGal Pressman struct efa_com_create_ah_result *result); 267cd9b3d59SGal Pressman int efa_com_destroy_ah(struct efa_com_dev *edev, 268cd9b3d59SGal Pressman struct efa_com_destroy_ah_params *params); 269cd9b3d59SGal Pressman int efa_com_get_device_attr(struct efa_com_dev *edev, 270cd9b3d59SGal Pressman struct efa_com_get_device_attr_result *result); 271cd9b3d59SGal Pressman int efa_com_get_hw_hints(struct efa_com_dev *edev, 272cd9b3d59SGal Pressman struct efa_com_get_hw_hints_result *result); 273e1ca01a9SGal Pressman bool 274e1ca01a9SGal Pressman efa_com_check_supported_feature_id(struct efa_com_dev *edev, 275e1ca01a9SGal Pressman enum efa_admin_aq_feature_id feature_id); 276e1ca01a9SGal Pressman int efa_com_set_feature_ex(struct efa_com_dev *edev, 277e1ca01a9SGal Pressman struct efa_admin_set_feature_resp *set_resp, 278e1ca01a9SGal Pressman struct efa_admin_set_feature_cmd *set_cmd, 279e1ca01a9SGal Pressman enum efa_admin_aq_feature_id feature_id, 280e1ca01a9SGal Pressman dma_addr_t control_buf_dma_addr, 281e1ca01a9SGal Pressman u32 control_buff_size); 282cd9b3d59SGal Pressman int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups); 283cd9b3d59SGal Pressman int efa_com_alloc_pd(struct efa_com_dev *edev, 284cd9b3d59SGal Pressman struct efa_com_alloc_pd_result *result); 285cd9b3d59SGal Pressman int efa_com_dealloc_pd(struct efa_com_dev *edev, 286cd9b3d59SGal Pressman struct efa_com_dealloc_pd_params *params); 287cd9b3d59SGal Pressman int efa_com_alloc_uar(struct efa_com_dev *edev, 288cd9b3d59SGal Pressman struct efa_com_alloc_uar_result *result); 289cd9b3d59SGal Pressman int efa_com_dealloc_uar(struct efa_com_dev *edev, 290cd9b3d59SGal Pressman struct efa_com_dealloc_uar_params *params); 29116e9111eSGal Pressman int efa_com_get_stats(struct efa_com_dev *edev, 29216e9111eSGal Pressman struct efa_com_get_stats_params *params, 29316e9111eSGal Pressman union efa_com_get_stats_result *result); 294cd9b3d59SGal Pressman 295cd9b3d59SGal Pressman #endif /* _EFA_COM_CMD_H_ */ 296