341 lines
8.0 KiB
C
341 lines
8.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
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/*
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* Copyright 2018-2024 Amazon.com, Inc. or its affiliates. All rights reserved.
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*/
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#ifndef _EFA_COM_CMD_H_
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#define _EFA_COM_CMD_H_
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#include "efa_com.h"
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#define EFA_GID_SIZE 16
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struct efa_com_create_qp_params {
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u64 rq_base_addr;
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u32 send_cq_idx;
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u32 recv_cq_idx;
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/*
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* Send descriptor ring size in bytes,
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* sufficient for user-provided number of WQEs and SGL size
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*/
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u32 sq_ring_size_in_bytes;
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/* Max number of WQEs that will be posted on send queue */
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u32 sq_depth;
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/* Recv descriptor ring size in bytes */
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u32 rq_ring_size_in_bytes;
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u32 rq_depth;
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u16 pd;
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u16 uarn;
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u8 qp_type;
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};
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struct efa_com_create_qp_result {
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u32 qp_handle;
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u32 qp_num;
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u32 sq_db_offset;
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u32 rq_db_offset;
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u32 llq_descriptors_offset;
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u16 send_sub_cq_idx;
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u16 recv_sub_cq_idx;
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};
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struct efa_com_modify_qp_params {
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u32 modify_mask;
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u32 qp_handle;
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u32 qp_state;
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u32 cur_qp_state;
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u32 qkey;
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u32 sq_psn;
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u8 sq_drained_async_notify;
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u8 rnr_retry;
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};
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struct efa_com_query_qp_params {
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u32 qp_handle;
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};
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struct efa_com_query_qp_result {
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u32 qp_state;
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u32 qkey;
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u32 sq_draining;
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u32 sq_psn;
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u8 rnr_retry;
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};
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struct efa_com_destroy_qp_params {
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u32 qp_handle;
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};
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struct efa_com_create_cq_params {
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/* cq physical base address in OS memory */
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dma_addr_t dma_addr;
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/* completion queue depth in # of entries */
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u16 cq_depth;
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u16 num_sub_cqs;
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u16 uarn;
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u16 eqn;
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u8 entry_size_in_bytes;
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u8 interrupt_mode_enabled : 1;
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u8 set_src_addr : 1;
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};
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struct efa_com_create_cq_result {
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/* cq identifier */
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u16 cq_idx;
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/* actual cq depth in # of entries */
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u16 actual_depth;
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u32 db_off;
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bool db_valid;
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};
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struct efa_com_destroy_cq_params {
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u16 cq_idx;
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};
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struct efa_com_create_ah_params {
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u16 pdn;
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/* Destination address in network byte order */
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u8 dest_addr[EFA_GID_SIZE];
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};
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struct efa_com_create_ah_result {
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u16 ah;
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};
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struct efa_com_destroy_ah_params {
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u16 ah;
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u16 pdn;
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};
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struct efa_com_get_device_attr_result {
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u8 addr[EFA_GID_SIZE];
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u64 page_size_cap;
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u64 max_mr_pages;
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u32 mtu;
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u32 fw_version;
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u32 admin_api_version;
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u32 device_version;
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u32 supported_features;
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u32 phys_addr_width;
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u32 virt_addr_width;
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u32 max_qp;
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u32 max_sq_depth; /* wqes */
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u32 max_rq_depth; /* wqes */
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u32 max_cq;
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u32 max_cq_depth; /* cqes */
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u32 inline_buf_size;
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u32 max_mr;
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u32 max_pd;
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u32 max_ah;
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u32 max_llq_size;
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u32 max_rdma_size;
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u32 device_caps;
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u32 max_eq;
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u32 max_eq_depth;
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u32 event_bitmask; /* EQ events bitmask */
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u16 sub_cqs_per_cq;
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u16 max_sq_sge;
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u16 max_rq_sge;
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u16 max_wr_rdma_sge;
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u16 max_tx_batch;
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u16 min_sq_depth;
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u8 db_bar;
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};
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struct efa_com_get_hw_hints_result {
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u16 mmio_read_timeout;
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u16 driver_watchdog_timeout;
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u16 admin_completion_timeout;
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u16 poll_interval;
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u32 reserved[4];
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};
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struct efa_com_mem_addr {
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u32 mem_addr_low;
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u32 mem_addr_high;
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};
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/* Used at indirect mode page list chunks for chaining */
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struct efa_com_ctrl_buff_info {
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/* indicates length of the buffer pointed by control_buffer_address. */
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u32 length;
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/* points to control buffer (direct or indirect) */
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struct efa_com_mem_addr address;
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};
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struct efa_com_reg_mr_params {
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/* Memory region length, in bytes. */
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u64 mr_length_in_bytes;
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/* IO Virtual Address associated with this MR. */
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u64 iova;
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/* words 8:15: Physical Buffer List, each element is page-aligned. */
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union {
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/*
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* Inline array of physical addresses of app pages
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* (optimization for short region reservations)
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*/
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u64 inline_pbl_array[4];
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/*
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* Describes the next physically contiguous chunk of indirect
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* page list. A page list contains physical addresses of command
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* data pages. Data pages are 4KB; page list chunks are
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* variable-sized.
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*/
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struct efa_com_ctrl_buff_info pbl;
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} pbl;
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/* number of pages in PBL (redundant, could be calculated) */
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u32 page_num;
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/* Protection Domain */
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u16 pd;
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/*
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* phys_page_size_shift - page size is (1 << phys_page_size_shift)
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* Page size is used for building the Virtual to Physical
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* address mapping
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*/
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u8 page_shift;
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/* see permissions field of struct efa_admin_reg_mr_cmd */
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u8 permissions;
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u8 inline_pbl;
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u8 indirect;
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};
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struct efa_com_mr_interconnect_info {
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u16 recv_ic_id;
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u16 rdma_read_ic_id;
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u16 rdma_recv_ic_id;
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u8 recv_ic_id_valid : 1;
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u8 rdma_read_ic_id_valid : 1;
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u8 rdma_recv_ic_id_valid : 1;
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};
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struct efa_com_reg_mr_result {
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/*
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* To be used in conjunction with local buffers references in SQ and
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* RQ WQE
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*/
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u32 l_key;
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/*
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* To be used in incoming RDMA semantics messages to refer to remotely
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* accessed memory region
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*/
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u32 r_key;
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struct efa_com_mr_interconnect_info ic_info;
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};
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struct efa_com_dereg_mr_params {
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u32 l_key;
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};
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struct efa_com_alloc_pd_result {
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u16 pdn;
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};
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struct efa_com_dealloc_pd_params {
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u16 pdn;
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};
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struct efa_com_alloc_uar_result {
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u16 uarn;
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};
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struct efa_com_dealloc_uar_params {
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u16 uarn;
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};
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struct efa_com_get_stats_params {
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/* see enum efa_admin_get_stats_type */
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u8 type;
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/* see enum efa_admin_get_stats_scope */
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u8 scope;
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u16 scope_modifier;
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};
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struct efa_com_basic_stats {
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u64 tx_bytes;
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u64 tx_pkts;
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u64 rx_bytes;
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u64 rx_pkts;
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u64 rx_drops;
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};
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struct efa_com_messages_stats {
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u64 send_bytes;
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u64 send_wrs;
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u64 recv_bytes;
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u64 recv_wrs;
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};
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struct efa_com_rdma_read_stats {
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u64 read_wrs;
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u64 read_bytes;
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u64 read_wr_err;
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u64 read_resp_bytes;
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};
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struct efa_com_rdma_write_stats {
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u64 write_wrs;
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u64 write_bytes;
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u64 write_wr_err;
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u64 write_recv_bytes;
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};
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union efa_com_get_stats_result {
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struct efa_com_basic_stats basic_stats;
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struct efa_com_messages_stats messages_stats;
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struct efa_com_rdma_read_stats rdma_read_stats;
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struct efa_com_rdma_write_stats rdma_write_stats;
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};
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int efa_com_create_qp(struct efa_com_dev *edev,
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struct efa_com_create_qp_params *params,
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struct efa_com_create_qp_result *res);
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int efa_com_modify_qp(struct efa_com_dev *edev,
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struct efa_com_modify_qp_params *params);
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int efa_com_query_qp(struct efa_com_dev *edev,
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struct efa_com_query_qp_params *params,
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struct efa_com_query_qp_result *result);
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int efa_com_destroy_qp(struct efa_com_dev *edev,
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struct efa_com_destroy_qp_params *params);
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int efa_com_create_cq(struct efa_com_dev *edev,
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struct efa_com_create_cq_params *params,
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struct efa_com_create_cq_result *result);
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int efa_com_destroy_cq(struct efa_com_dev *edev,
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struct efa_com_destroy_cq_params *params);
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int efa_com_register_mr(struct efa_com_dev *edev,
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struct efa_com_reg_mr_params *params,
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struct efa_com_reg_mr_result *result);
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int efa_com_dereg_mr(struct efa_com_dev *edev,
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struct efa_com_dereg_mr_params *params);
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int efa_com_create_ah(struct efa_com_dev *edev,
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struct efa_com_create_ah_params *params,
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struct efa_com_create_ah_result *result);
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int efa_com_destroy_ah(struct efa_com_dev *edev,
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struct efa_com_destroy_ah_params *params);
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int efa_com_get_device_attr(struct efa_com_dev *edev,
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struct efa_com_get_device_attr_result *result);
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int efa_com_get_hw_hints(struct efa_com_dev *edev,
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struct efa_com_get_hw_hints_result *result);
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bool
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efa_com_check_supported_feature_id(struct efa_com_dev *edev,
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enum efa_admin_aq_feature_id feature_id);
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int efa_com_set_feature_ex(struct efa_com_dev *edev,
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struct efa_admin_set_feature_resp *set_resp,
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struct efa_admin_set_feature_cmd *set_cmd,
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enum efa_admin_aq_feature_id feature_id,
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dma_addr_t control_buf_dma_addr,
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u32 control_buff_size);
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int efa_com_set_aenq_config(struct efa_com_dev *edev, u32 groups);
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int efa_com_alloc_pd(struct efa_com_dev *edev,
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struct efa_com_alloc_pd_result *result);
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int efa_com_dealloc_pd(struct efa_com_dev *edev,
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struct efa_com_dealloc_pd_params *params);
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int efa_com_alloc_uar(struct efa_com_dev *edev,
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struct efa_com_alloc_uar_result *result);
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int efa_com_dealloc_uar(struct efa_com_dev *edev,
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struct efa_com_dealloc_uar_params *params);
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int efa_com_get_stats(struct efa_com_dev *edev,
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struct efa_com_get_stats_params *params,
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union efa_com_get_stats_result *result);
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#endif /* _EFA_COM_CMD_H_ */
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