1 /*-
2  * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
4  * Copyright (c) 2021 - 2022 Intel Corporation
16  *    - Redistributions of source code must retain the above
20  *    - Redistributions in binary form must reproduce the above
40 #include "irdma-abi.h"
51 char libirdma_version[] = "1.2.36-k";
122  * libirdma_query_device - fill libirdma_device structure
123  * @ctx_in - ibv_context identifying device
124  * @out - libirdma_device structure to fill quered info
133 	if (sizeof(out->lib_ver) < sizeof(libirdma_version))  in libirdma_query_device()
136 	out->query_ver = 1;  in libirdma_query_device()
137 	snprintf(out->lib_ver, min(sizeof(libirdma_version), sizeof(out->lib_ver)),  in libirdma_query_device()
148 	struct irdma_get_context cmd = {};  in irdma_init_context()  local
154 	iwvctx->ibv_ctx.cmd_fd = cmd_fd;  in irdma_init_context()
155 	cmd.userspace_ver = IRDMA_ABI_VER;  in irdma_init_context()
156 	if (ibv_cmd_get_context(&iwvctx->ibv_ctx, &cmd.ibv_cmd, sizeof(cmd),  in irdma_init_context()
160 		return -1;  in irdma_init_context()
162 	iwvctx->uk_attrs.feature_flags = resp.feature_flags;  in irdma_init_context()
163 	iwvctx->uk_attrs.hw_rev = resp.hw_rev;  in irdma_init_context()
164 	iwvctx->uk_attrs.max_hw_wq_frags = resp.max_hw_wq_frags;  in irdma_init_context()
165 	iwvctx->uk_attrs.max_hw_read_sges = resp.max_hw_read_sges;  in irdma_init_context()
166 	iwvctx->uk_attrs.max_hw_inline = resp.max_hw_inline;  in irdma_init_context()
167 	iwvctx->uk_attrs.max_hw_rq_quanta = resp.max_hw_rq_quanta;  in irdma_init_context()
168 	iwvctx->uk_attrs.max_hw_wq_quanta = resp.max_hw_wq_quanta;  in irdma_init_context()
169 	iwvctx->uk_attrs.max_hw_sq_chunk = resp.max_hw_sq_chunk;  in irdma_init_context()
170 	iwvctx->uk_attrs.max_hw_cq_size = resp.max_hw_cq_size;  in irdma_init_context()
171 	iwvctx->uk_attrs.min_hw_cq_size = resp.min_hw_cq_size;  in irdma_init_context()
172 	iwvctx->uk_attrs.min_hw_wq_size = IRDMA_QP_SW_MIN_WQSIZE;  in irdma_init_context()
173 	iwvctx->abi_ver = IRDMA_ABI_VER;  in irdma_init_context()
176 	iwvctx->db = mmap(NULL, IRDMA_HW_PAGE_SIZE, PROT_WRITE | PROT_READ,  in irdma_init_context()
178 	if (iwvctx->db == MAP_FAILED)  in irdma_init_context()
181 	iwvctx->ibv_ctx.ops = irdma_ctx_ops;  in irdma_init_context()
183 	ibv_pd = irdma_ualloc_pd(&iwvctx->ibv_ctx);  in irdma_init_context()
185 		munmap(iwvctx->db, IRDMA_HW_PAGE_SIZE);  in irdma_init_context()
189 	ibv_pd->context = &iwvctx->ibv_ctx;  in irdma_init_context()
190 	iwvctx->iwupd = container_of(ibv_pd, struct irdma_upd, ibv_pd);  in irdma_init_context()
197 	return -1;  in irdma_init_context()
207 	irdma_ufree_pd(&iwvctx->iwupd->ibv_pd);  in irdma_cleanup_context()
208 	munmap(iwvctx->db, IRDMA_HW_PAGE_SIZE);  in irdma_cleanup_context()
263 	dev->ibv_dev.ops = &irdma_dev_ops;  in irdma_driver_init()
264 	dev->ibv_dev.sz = sizeof(*dev);  in irdma_driver_init()
265 	dev->ibv_dev.size_of_context = sizeof(struct irdma_uvcontext) -  in irdma_driver_init()
268 	return &dev->ibv_dev;  in irdma_driver_init()