1 /* QLogic qedr NIC Driver
2 * Copyright (c) 2015-2016 QLogic Corporation
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and /or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
35 #include <linux/pci.h>
36 #include <rdma/ib_addr.h>
37 #include <linux/qed/qed_if.h>
38 #include <linux/qed/qed_chain.h>
39 #include <linux/qed/qed_roce_if.h>
40 #include <linux/qed/qede_roce.h>
43 #define QEDR_MODULE_VERSION "8.10.10.0"
44 #define QEDR_NODE_DESC "QLogic 579xx RoCE HCA"
45 #define DP_NAME(dev) ((dev)->ibdev.name)
47 #define DP_DEBUG(dev, module, fmt, ...) \
48 pr_debug("(%s) " module ": " fmt, \
49 DP_NAME(dev) ? DP_NAME(dev) : "", ## __VA_ARGS__)
51 #define QEDR_MSG_INIT "INIT"
58 struct qed_sb_info *sb;
65 #define QEDR_MAX_SGID 128
67 struct qedr_device_attr {
79 u8 max_qp_resp_rd_atomic_resc;
80 u8 max_qp_req_rd_atomic_resc;
81 u64 max_dev_resp_rd_atomic_resc;
89 u32 max_mr_mw_fmr_pbl;
90 u64 max_mr_mw_fmr_size;
103 u32 bad_pkey_counter;
104 struct qed_rdma_events events;
108 struct ib_device ibdev;
109 struct qed_dev *cdev;
110 struct pci_dev *pdev;
111 struct net_device *ndev;
113 enum ib_atomic_cap atomic_cap;
116 struct qedr_device_attr attr;
118 const struct qed_rdma_ops *ops;
119 struct qed_int_info int_info;
121 struct qed_sb_info *sb_array;
122 struct qedr_cnq *cnq_array;
126 void __iomem *db_addr;
131 union ib_gid *sgid_tbl;
133 /* Lock for sgid table */
134 spinlock_t sgid_lock;
143 #define QEDR_MAX_SQ_PBL (0x8000)
144 #define QEDR_MAX_SQ_PBL_ENTRIES (0x10000 / sizeof(void *))
145 #define QEDR_SQE_ELEMENT_SIZE (sizeof(struct rdma_sq_sge))
146 #define QEDR_MAX_SQE_ELEMENTS_PER_SQE (ROCE_REQ_MAX_SINGLE_SQ_WQE_SIZE / \
147 QEDR_SQE_ELEMENT_SIZE)
148 #define QEDR_MAX_SQE_ELEMENTS_PER_PAGE ((RDMA_RING_PAGE_SIZE) / \
149 QEDR_SQE_ELEMENT_SIZE)
150 #define QEDR_MAX_SQE ((QEDR_MAX_SQ_PBL_ENTRIES) *\
151 (RDMA_RING_PAGE_SIZE) / \
152 (QEDR_SQE_ELEMENT_SIZE) /\
153 (QEDR_MAX_SQE_ELEMENTS_PER_SQE))
155 #define QEDR_MAX_RQ_PBL (0x2000)
156 #define QEDR_MAX_RQ_PBL_ENTRIES (0x10000 / sizeof(void *))
157 #define QEDR_RQE_ELEMENT_SIZE (sizeof(struct rdma_rq_sge))
158 #define QEDR_MAX_RQE_ELEMENTS_PER_RQE (RDMA_MAX_SGE_PER_RQ_WQE)
159 #define QEDR_MAX_RQE_ELEMENTS_PER_PAGE ((RDMA_RING_PAGE_SIZE) / \
160 QEDR_RQE_ELEMENT_SIZE)
161 #define QEDR_MAX_RQE ((QEDR_MAX_RQ_PBL_ENTRIES) *\
162 (RDMA_RING_PAGE_SIZE) / \
163 (QEDR_RQE_ELEMENT_SIZE) /\
164 (QEDR_MAX_RQE_ELEMENTS_PER_RQE))
166 #define QEDR_CQE_SIZE (sizeof(union rdma_cqe))
167 #define QEDR_MAX_CQE_PBL_SIZE (512 * 1024)
168 #define QEDR_MAX_CQE_PBL_ENTRIES (((QEDR_MAX_CQE_PBL_SIZE) / \
170 #define QEDR_MAX_CQES ((u32)((QEDR_MAX_CQE_PBL_ENTRIES) * \
171 (QED_CHAIN_PAGE_SIZE) / QEDR_CQE_SIZE))
173 #define QEDR_ROCE_MAX_CNQ_SIZE (0x4000)
175 #define QEDR_MAX_PORT (1)
177 #define QEDR_UVERBS(CMD_NAME) (1ull << IB_USER_VERBS_CMD_##CMD_NAME)
179 static inline struct qedr_dev *get_qedr_dev(struct ib_device *ibdev)
181 return container_of(ibdev, struct qedr_dev, ibdev);