1 /*- 2 * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB 3 * 4 * Copyright (c) 2021 - 2023 Intel Corporation 5 * 6 * This software is available to you under a choice of one of two 7 * licenses. You may choose to be licensed under the terms of the GNU 8 * General Public License (GPL) Version 2, available from the file 9 * COPYING in the main directory of this source tree, or the 10 * OpenFabrics.org BSD license below: 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 16 * - Redistributions of source code must retain the above 17 * copyright notice, this list of conditions and the following 18 * disclaimer. 19 * 20 * - Redistributions in binary form must reproduce the above 21 * copyright notice, this list of conditions and the following 22 * disclaimer in the documentation and/or other materials 23 * provided with the distribution. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 32 * SOFTWARE. 33 */ 34 35 #ifndef _ICRDMA_OSDEP_H_ 36 #define _ICRDMA_OSDEP_H_ 37 38 #include <stdatomic.h> 39 #include <stdbool.h> 40 #include <stdio.h> 41 #include <infiniband/types.h> 42 #include <infiniband/verbs.h> 43 #include <infiniband/udma_barrier.h> 44 #include <sys/bus.h> 45 #include <sys/bus_dma.h> 46 #include <sys/endian.h> 47 48 #define IOMEM 49 #define IRDMA_NTOHL(a) ntohl(a) 50 #define IRDMA_NTOHS(a) ntohs(a) 51 #define MAKEMASK(m, s) ((m) << (s)) 52 #define OS_TIMER timer_list 53 #define OS_LIST_HEAD list_head 54 #define OS_LIST_ENTRY list_head 55 #define DECLARE_HASHTABLE(n, b) struct hlist_head (n)[1 << (b)] 56 #define HASH_MIN(v, b) (sizeof(v) <= 4 ? hash_32(v, b) : hash_long(v, b)) 57 #define HASH_FOR_EACH_RCU(n, b, o, m) for ((b) = 0, o = NULL; o == NULL && (b) < ARRAY_SIZE(n);\ 58 (b)++)\ 59 hlist_for_each_entry_rcu(o, &n[(b)], m) 60 #define HASH_FOR_EACH_POSSIBLE_RCU(n, o, m, k) \ 61 hlist_for_each_entry_rcu(o, &n[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(n)))],\ 62 m) 63 #define HASH_FOR_EACH_POSSIBLE(n, o, m, k) \ 64 hlist_for_each_entry(o, &n[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(n)))],\ 65 m) 66 #define HASH_ADD_RCU(h, n, k) \ 67 hlist_add_head_rcu(n, &h[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(h)))]) 68 #define HASH_DEL_RCU(tbl, node) hlist_del_rcu(node) 69 #define HASH_ADD(h, n, k) \ 70 hlist_add_head(n, &h[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(h)))]) 71 #define HASH_DEL(tbl, node) hlist_del(node) 72 73 #define WQ_UNBOUND_MAX_ACTIVE max_t(int, 512, num_possible_cpus() * 4) 74 #define if_addr_rlock(x) 75 #define if_addr_runlock(x) 76 77 /* constants */ 78 #define STATS_TIMER_DELAY 60000 79 80 #define BIT_ULL(a) (1ULL << (a)) 81 #define min(a, b) ((a) > (b) ? (b) : (a)) 82 #ifndef likely 83 #define likely(x) __builtin_expect((x), 1) 84 #endif 85 #ifndef unlikely 86 #define unlikely(x) __builtin_expect((x), 0) 87 #endif 88 89 #define __aligned_u64 uint64_t __aligned(8) 90 91 #define VLAN_PRIO_SHIFT 13 92 93 /* 94 * debug definition section 95 */ 96 #define irdma_print(S, ...) printf("%s:%d "S, __FUNCTION__, __LINE__, ##__VA_ARGS__) 97 #define irdma_debug_buf(dev, mask, desc, buf, size) \ 98 do { \ 99 u32 i; \ 100 if (!((mask) & (dev)->debug_mask)) { \ 101 break; \ 102 } \ 103 irdma_debug(dev, mask, "%s\n", desc); \ 104 irdma_debug(dev, mask, "starting address virt=%p phy=%lxh\n", buf, irdma_get_virt_to_phy(buf)); \ 105 for (i = 0; i < size ; i += 8) \ 106 irdma_debug(dev, mask, "index %03d val: %016lx\n", i, ((unsigned long *)(buf))[i / 8]); \ 107 } while(0) 108 109 #define irdma_debug(h, m, s, ...) \ 110 do { \ 111 if (!(h)) { \ 112 if ((m) == IRDMA_DEBUG_INIT) \ 113 printf("irdma INIT " s, ##__VA_ARGS__); \ 114 } else if (((m) & (h)->debug_mask)) { \ 115 printf("irdma " s, ##__VA_ARGS__); \ 116 } \ 117 } while (0) 118 extern unsigned int irdma_dbg; 119 #define libirdma_debug(fmt, args...) \ 120 do { \ 121 if (irdma_dbg) \ 122 printf("libirdma-%s: " fmt, __func__, ##args); \ 123 } while (0) 124 #define irdma_dev_err(ibdev, fmt, ...) \ 125 pr_err("%s:%s:%d ERR "fmt, (ibdev)->name, __func__, __LINE__, ##__VA_ARGS__) 126 #define irdma_dev_warn(ibdev, fmt, ...) \ 127 pr_warn("%s:%s:%d WARN "fmt, (ibdev)->name, __func__, __LINE__, ##__VA_ARGS__) 128 #define irdma_dev_info(a, b, ...) printf(b, ##__VA_ARGS__) 129 #define irdma_pr_warn printf 130 131 /* 132 * debug definition end 133 */ 134 135 typedef __be16 BE16; 136 typedef __be32 BE32; 137 typedef uintptr_t irdma_uintptr; 138 139 struct irdma_hw; 140 struct irdma_pci_f; 141 struct irdma_sc_dev; 142 struct irdma_sc_qp; 143 struct irdma_sc_vsi; 144 145 #define irdma_pr_info(fmt, args ...) printf("%s: WARN "fmt, __func__, ## args) 146 #define irdma_pr_err(fmt, args ...) printf("%s: ERR "fmt, __func__, ## args) 147 #define irdma_memcpy(a, b, c) memcpy((a), (b), (c)) 148 #define irdma_memset(a, b, c) memset((a), (b), (c)) 149 #define irdma_usec_delay(x) DELAY(x) 150 #define mdelay(x) DELAY((x) * 1000) 151 152 #define rt_tos2priority(tos) (tos >> 5) 153 #define ah_attr_to_dmac(attr) ((attr).dmac) 154 #define irdma_del_timer_compat(tt) del_timer((tt)) 155 #define IRDMA_TAILQ_FOREACH CK_STAILQ_FOREACH 156 #define IRDMA_TAILQ_FOREACH_SAFE CK_STAILQ_FOREACH_SAFE 157 #define between(a, b, c) (bool)(c-a >= b-a) 158 159 static inline void db_wr32(__u32 val, __u32 *wqe_word) 160 { 161 *wqe_word = val; 162 } 163 164 void *hw_to_dev(struct irdma_hw *hw); 165 166 struct irdma_dma_mem { 167 void *va; 168 u64 pa; 169 bus_dma_tag_t tag; 170 bus_dmamap_t map; 171 bus_dma_segment_t seg; 172 bus_size_t size; 173 int nseg; 174 int flags; 175 }; 176 177 struct irdma_virt_mem { 178 void *va; 179 u32 size; 180 }; 181 182 #ifndef verbs_mr 183 enum ibv_mr_type { 184 IBV_MR_TYPE_MR, 185 IBV_MR_TYPE_NULL_MR, 186 }; 187 188 struct verbs_mr { 189 struct ibv_mr ibv_mr; 190 enum ibv_mr_type mr_type; 191 int access; 192 }; 193 #define verbs_get_mr(mr) container_of((mr), struct verbs_mr, ibv_mr) 194 #endif 195 #endif /* _ICRDMA_OSDEP_H_ */ 196