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; 50a4e6a1ddSGal Pressman u8 rnr_retry; 51cd9b3d59SGal Pressman }; 52cd9b3d59SGal Pressman 53cd9b3d59SGal Pressman struct efa_com_query_qp_params { 54cd9b3d59SGal Pressman u32 qp_handle; 55cd9b3d59SGal Pressman }; 56cd9b3d59SGal Pressman 57cd9b3d59SGal Pressman struct efa_com_query_qp_result { 58cd9b3d59SGal Pressman u32 qp_state; 59cd9b3d59SGal Pressman u32 qkey; 60cd9b3d59SGal Pressman u32 sq_draining; 61cd9b3d59SGal Pressman u32 sq_psn; 62a4e6a1ddSGal Pressman u8 rnr_retry; 63cd9b3d59SGal Pressman }; 64cd9b3d59SGal Pressman 65cd9b3d59SGal Pressman struct efa_com_destroy_qp_params { 66cd9b3d59SGal Pressman u32 qp_handle; 67cd9b3d59SGal Pressman }; 68cd9b3d59SGal Pressman 69cd9b3d59SGal Pressman struct efa_com_create_cq_params { 70cd9b3d59SGal Pressman /* cq physical base address in OS memory */ 71cd9b3d59SGal Pressman dma_addr_t dma_addr; 72cd9b3d59SGal Pressman /* completion queue depth in # of entries */ 73cd9b3d59SGal Pressman u16 cq_depth; 74cd9b3d59SGal Pressman u16 num_sub_cqs; 75cd9b3d59SGal Pressman u16 uarn; 76cd9b3d59SGal Pressman u8 entry_size_in_bytes; 77cd9b3d59SGal Pressman }; 78cd9b3d59SGal Pressman 79cd9b3d59SGal Pressman struct efa_com_create_cq_result { 80cd9b3d59SGal Pressman /* cq identifier */ 81cd9b3d59SGal Pressman u16 cq_idx; 82cd9b3d59SGal Pressman /* actual cq depth in # of entries */ 83cd9b3d59SGal Pressman u16 actual_depth; 84cd9b3d59SGal Pressman }; 85cd9b3d59SGal Pressman 86cd9b3d59SGal Pressman struct efa_com_destroy_cq_params { 87cd9b3d59SGal Pressman u16 cq_idx; 88cd9b3d59SGal Pressman }; 89cd9b3d59SGal Pressman 90cd9b3d59SGal Pressman struct efa_com_create_ah_params { 91cd9b3d59SGal Pressman u16 pdn; 92cd9b3d59SGal Pressman /* Destination address in network byte order */ 93cd9b3d59SGal Pressman u8 dest_addr[EFA_GID_SIZE]; 94cd9b3d59SGal Pressman }; 95cd9b3d59SGal Pressman 96cd9b3d59SGal Pressman struct efa_com_create_ah_result { 97cd9b3d59SGal Pressman u16 ah; 98cd9b3d59SGal Pressman }; 99cd9b3d59SGal Pressman 100cd9b3d59SGal Pressman struct efa_com_destroy_ah_params { 101cd9b3d59SGal Pressman u16 ah; 102cd9b3d59SGal Pressman u16 pdn; 103cd9b3d59SGal Pressman }; 104cd9b3d59SGal Pressman 105cd9b3d59SGal Pressman struct efa_com_get_device_attr_result { 106bcf7cc53SGal Pressman u8 addr[EFA_GID_SIZE]; 107cd9b3d59SGal Pressman u64 page_size_cap; 108cd9b3d59SGal Pressman u64 max_mr_pages; 109bcf7cc53SGal Pressman u32 mtu; 110cd9b3d59SGal Pressman u32 fw_version; 111cd9b3d59SGal Pressman u32 admin_api_version; 112cd9b3d59SGal Pressman u32 device_version; 113cd9b3d59SGal Pressman u32 supported_features; 114cd9b3d59SGal Pressman u32 phys_addr_width; 115cd9b3d59SGal Pressman u32 virt_addr_width; 116cd9b3d59SGal Pressman u32 max_qp; 117cd9b3d59SGal Pressman u32 max_sq_depth; /* wqes */ 118cd9b3d59SGal Pressman u32 max_rq_depth; /* wqes */ 119cd9b3d59SGal Pressman u32 max_cq; 120cd9b3d59SGal Pressman u32 max_cq_depth; /* cqes */ 121cd9b3d59SGal Pressman u32 inline_buf_size; 122cd9b3d59SGal Pressman u32 max_mr; 123cd9b3d59SGal Pressman u32 max_pd; 124cd9b3d59SGal Pressman u32 max_ah; 125cd9b3d59SGal Pressman u32 max_llq_size; 126666e8ff5SDaniel Kranzdorf u32 max_rdma_size; 127666e8ff5SDaniel Kranzdorf u32 device_caps; 128cd9b3d59SGal Pressman u16 sub_cqs_per_cq; 129cd9b3d59SGal Pressman u16 max_sq_sge; 130cd9b3d59SGal Pressman u16 max_rq_sge; 131666e8ff5SDaniel Kranzdorf u16 max_wr_rdma_sge; 132556c811fSGal Pressman u16 max_tx_batch; 133da2924bdSGal Pressman u16 min_sq_depth; 134cd9b3d59SGal Pressman u8 db_bar; 135cd9b3d59SGal Pressman }; 136cd9b3d59SGal Pressman 137cd9b3d59SGal Pressman struct efa_com_get_hw_hints_result { 138cd9b3d59SGal Pressman u16 mmio_read_timeout; 139cd9b3d59SGal Pressman u16 driver_watchdog_timeout; 140cd9b3d59SGal Pressman u16 admin_completion_timeout; 141cd9b3d59SGal Pressman u16 poll_interval; 142cd9b3d59SGal Pressman u32 reserved[4]; 143cd9b3d59SGal Pressman }; 144cd9b3d59SGal Pressman 145cd9b3d59SGal Pressman struct efa_com_mem_addr { 146cd9b3d59SGal Pressman u32 mem_addr_low; 147cd9b3d59SGal Pressman u32 mem_addr_high; 148cd9b3d59SGal Pressman }; 149cd9b3d59SGal Pressman 150cd9b3d59SGal Pressman /* Used at indirect mode page list chunks for chaining */ 151cd9b3d59SGal Pressman struct efa_com_ctrl_buff_info { 152cd9b3d59SGal Pressman /* indicates length of the buffer pointed by control_buffer_address. */ 153cd9b3d59SGal Pressman u32 length; 154cd9b3d59SGal Pressman /* points to control buffer (direct or indirect) */ 155cd9b3d59SGal Pressman struct efa_com_mem_addr address; 156cd9b3d59SGal Pressman }; 157cd9b3d59SGal Pressman 158cd9b3d59SGal Pressman struct efa_com_reg_mr_params { 159cd9b3d59SGal Pressman /* Memory region length, in bytes. */ 160cd9b3d59SGal Pressman u64 mr_length_in_bytes; 161cd9b3d59SGal Pressman /* IO Virtual Address associated with this MR. */ 162cd9b3d59SGal Pressman u64 iova; 163cd9b3d59SGal Pressman /* words 8:15: Physical Buffer List, each element is page-aligned. */ 164cd9b3d59SGal Pressman union { 165cd9b3d59SGal Pressman /* 166cd9b3d59SGal Pressman * Inline array of physical addresses of app pages 167cd9b3d59SGal Pressman * (optimization for short region reservations) 168cd9b3d59SGal Pressman */ 169cd9b3d59SGal Pressman u64 inline_pbl_array[4]; 170cd9b3d59SGal Pressman /* 171cd9b3d59SGal Pressman * Describes the next physically contiguous chunk of indirect 172cd9b3d59SGal Pressman * page list. A page list contains physical addresses of command 173cd9b3d59SGal Pressman * data pages. Data pages are 4KB; page list chunks are 174cd9b3d59SGal Pressman * variable-sized. 175cd9b3d59SGal Pressman */ 176cd9b3d59SGal Pressman struct efa_com_ctrl_buff_info pbl; 177cd9b3d59SGal Pressman } pbl; 178cd9b3d59SGal Pressman /* number of pages in PBL (redundant, could be calculated) */ 179cd9b3d59SGal Pressman u32 page_num; 180cd9b3d59SGal Pressman /* Protection Domain */ 181cd9b3d59SGal Pressman u16 pd; 182cd9b3d59SGal Pressman /* 183cd9b3d59SGal Pressman * phys_page_size_shift - page size is (1 << phys_page_size_shift) 184cd9b3d59SGal Pressman * Page size is used for building the Virtual to Physical 185cd9b3d59SGal Pressman * address mapping 186cd9b3d59SGal Pressman */ 187cd9b3d59SGal Pressman u8 page_shift; 188e6c4f3ffSDaniel Kranzdorf /* see permissions field of struct efa_admin_reg_mr_cmd */ 189cd9b3d59SGal Pressman u8 permissions; 190cd9b3d59SGal Pressman u8 inline_pbl; 191cd9b3d59SGal Pressman u8 indirect; 192cd9b3d59SGal Pressman }; 193cd9b3d59SGal Pressman 194cd9b3d59SGal Pressman struct efa_com_reg_mr_result { 195cd9b3d59SGal Pressman /* 196cd9b3d59SGal Pressman * To be used in conjunction with local buffers references in SQ and 197cd9b3d59SGal Pressman * RQ WQE 198cd9b3d59SGal Pressman */ 199cd9b3d59SGal Pressman u32 l_key; 200cd9b3d59SGal Pressman /* 201cd9b3d59SGal Pressman * To be used in incoming RDMA semantics messages to refer to remotely 202cd9b3d59SGal Pressman * accessed memory region 203cd9b3d59SGal Pressman */ 204cd9b3d59SGal Pressman u32 r_key; 205cd9b3d59SGal Pressman }; 206cd9b3d59SGal Pressman 207cd9b3d59SGal Pressman struct efa_com_dereg_mr_params { 208cd9b3d59SGal Pressman u32 l_key; 209cd9b3d59SGal Pressman }; 210cd9b3d59SGal Pressman 211cd9b3d59SGal Pressman struct efa_com_alloc_pd_result { 212cd9b3d59SGal Pressman u16 pdn; 213cd9b3d59SGal Pressman }; 214cd9b3d59SGal Pressman 215cd9b3d59SGal Pressman struct efa_com_dealloc_pd_params { 216cd9b3d59SGal Pressman u16 pdn; 217cd9b3d59SGal Pressman }; 218cd9b3d59SGal Pressman 219cd9b3d59SGal Pressman struct efa_com_alloc_uar_result { 220cd9b3d59SGal Pressman u16 uarn; 221cd9b3d59SGal Pressman }; 222cd9b3d59SGal Pressman 223cd9b3d59SGal Pressman struct efa_com_dealloc_uar_params { 224cd9b3d59SGal Pressman u16 uarn; 225cd9b3d59SGal Pressman }; 226cd9b3d59SGal Pressman 22716e9111eSGal Pressman struct efa_com_get_stats_params { 22816e9111eSGal Pressman /* see enum efa_admin_get_stats_type */ 22916e9111eSGal Pressman u8 type; 23016e9111eSGal Pressman /* see enum efa_admin_get_stats_scope */ 23116e9111eSGal Pressman u8 scope; 23216e9111eSGal Pressman u16 scope_modifier; 23316e9111eSGal Pressman }; 23416e9111eSGal Pressman 23516e9111eSGal Pressman struct efa_com_basic_stats { 23616e9111eSGal Pressman u64 tx_bytes; 23716e9111eSGal Pressman u64 tx_pkts; 23816e9111eSGal Pressman u64 rx_bytes; 23916e9111eSGal Pressman u64 rx_pkts; 24016e9111eSGal Pressman u64 rx_drops; 24116e9111eSGal Pressman }; 24216e9111eSGal Pressman 24316e9111eSGal Pressman union efa_com_get_stats_result { 24416e9111eSGal Pressman struct efa_com_basic_stats basic_stats; 24516e9111eSGal Pressman }; 24616e9111eSGal Pressman 247cd9b3d59SGal Pressman void efa_com_set_dma_addr(dma_addr_t addr, u32 *addr_high, u32 *addr_low); 248cd9b3d59SGal Pressman int efa_com_create_qp(struct efa_com_dev *edev, 249cd9b3d59SGal Pressman struct efa_com_create_qp_params *params, 250cd9b3d59SGal Pressman struct efa_com_create_qp_result *res); 251cd9b3d59SGal Pressman int efa_com_modify_qp(struct efa_com_dev *edev, 252cd9b3d59SGal Pressman struct efa_com_modify_qp_params *params); 253cd9b3d59SGal Pressman int efa_com_query_qp(struct efa_com_dev *edev, 254cd9b3d59SGal Pressman struct efa_com_query_qp_params *params, 255cd9b3d59SGal Pressman struct efa_com_query_qp_result *result); 256cd9b3d59SGal Pressman int efa_com_destroy_qp(struct efa_com_dev *edev, 257cd9b3d59SGal Pressman struct efa_com_destroy_qp_params *params); 258cd9b3d59SGal Pressman int efa_com_create_cq(struct efa_com_dev *edev, 259cd9b3d59SGal Pressman struct efa_com_create_cq_params *params, 260cd9b3d59SGal Pressman struct efa_com_create_cq_result *result); 261cd9b3d59SGal Pressman int efa_com_destroy_cq(struct efa_com_dev *edev, 262cd9b3d59SGal Pressman struct efa_com_destroy_cq_params *params); 263cd9b3d59SGal Pressman int efa_com_register_mr(struct efa_com_dev *edev, 264cd9b3d59SGal Pressman struct efa_com_reg_mr_params *params, 265cd9b3d59SGal Pressman struct efa_com_reg_mr_result *result); 266cd9b3d59SGal Pressman int efa_com_dereg_mr(struct efa_com_dev *edev, 267cd9b3d59SGal Pressman struct efa_com_dereg_mr_params *params); 268cd9b3d59SGal Pressman int efa_com_create_ah(struct efa_com_dev *edev, 269cd9b3d59SGal Pressman struct efa_com_create_ah_params *params, 270cd9b3d59SGal Pressman struct efa_com_create_ah_result *result); 271cd9b3d59SGal Pressman int efa_com_destroy_ah(struct efa_com_dev *edev, 272cd9b3d59SGal Pressman struct efa_com_destroy_ah_params *params); 273cd9b3d59SGal Pressman int efa_com_get_device_attr(struct efa_com_dev *edev, 274cd9b3d59SGal Pressman struct efa_com_get_device_attr_result *result); 275cd9b3d59SGal Pressman int efa_com_get_hw_hints(struct efa_com_dev *edev, 276cd9b3d59SGal Pressman struct efa_com_get_hw_hints_result *result); 277e1ca01a9SGal Pressman bool 278e1ca01a9SGal Pressman efa_com_check_supported_feature_id(struct efa_com_dev *edev, 279e1ca01a9SGal Pressman enum efa_admin_aq_feature_id feature_id); 280e1ca01a9SGal Pressman int efa_com_set_feature_ex(struct efa_com_dev *edev, 281e1ca01a9SGal Pressman struct efa_admin_set_feature_resp *set_resp, 282e1ca01a9SGal Pressman struct efa_admin_set_feature_cmd *set_cmd, 283e1ca01a9SGal Pressman enum efa_admin_aq_feature_id feature_id, 284e1ca01a9SGal Pressman dma_addr_t control_buf_dma_addr, 285e1ca01a9SGal Pressman u32 control_buff_size); 286cd9b3d59SGal Pressman int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups); 287cd9b3d59SGal Pressman int efa_com_alloc_pd(struct efa_com_dev *edev, 288cd9b3d59SGal Pressman struct efa_com_alloc_pd_result *result); 289cd9b3d59SGal Pressman int efa_com_dealloc_pd(struct efa_com_dev *edev, 290cd9b3d59SGal Pressman struct efa_com_dealloc_pd_params *params); 291cd9b3d59SGal Pressman int efa_com_alloc_uar(struct efa_com_dev *edev, 292cd9b3d59SGal Pressman struct efa_com_alloc_uar_result *result); 293cd9b3d59SGal Pressman int efa_com_dealloc_uar(struct efa_com_dev *edev, 294cd9b3d59SGal Pressman struct efa_com_dealloc_uar_params *params); 29516e9111eSGal Pressman int efa_com_get_stats(struct efa_com_dev *edev, 29616e9111eSGal Pressman struct efa_com_get_stats_params *params, 29716e9111eSGal Pressman union efa_com_get_stats_result *result); 298cd9b3d59SGal Pressman 299cd9b3d59SGal Pressman #endif /* _EFA_COM_CMD_H_ */ 300