1 /*- 2 * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB 3 * 4 * Copyright (c) 2021 - 2022 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 /*$FreeBSD$*/ 35 36 #ifndef _ICRDMA_OSDEP_H_ 37 #define _ICRDMA_OSDEP_H_ 38 39 #include <linux/dma-mapping.h> 40 #include <linux/etherdevice.h> 41 #include <linux/fs.h> 42 #include <linux/if_ether.h> 43 #include <linux/interrupt.h> 44 #include <linux/io.h> 45 #include <linux/jhash.h> 46 #include <linux/list.h> 47 #include <linux/log2.h> 48 #include <linux/mutex.h> 49 #include <linux/pci.h> 50 #include <linux/random.h> 51 #include <linux/spinlock.h> 52 #include <linux/timer.h> 53 #include <linux/workqueue.h> 54 55 #include <sys/bus.h> 56 #include <machine/bus.h> 57 58 #define ATOMIC atomic_t 59 #define IOMEM 60 #define IRDMA_NTOHS(a) ntohs(a) 61 #define MAKEMASK(m, s) ((m) << (s)) 62 #define OS_TIMER timer_list 63 #define DECLARE_HASHTABLE(n, b) struct hlist_head (n)[1 << (b)] 64 #define HASH_MIN(v, b) (sizeof(v) <= 4 ? hash_32(v, b) : hash_long(v, b)) 65 #define HASH_FOR_EACH_RCU(n, b, o, m) for ((b) = 0, o = NULL; o == NULL && (b) < ARRAY_SIZE(n);\ 66 (b)++)\ 67 hlist_for_each_entry_rcu(o, &n[(b)], m) 68 #define HASH_FOR_EACH_POSSIBLE_RCU(n, o, m, k) \ 69 hlist_for_each_entry_rcu(o, &n[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(n)))],\ 70 m) 71 #define HASH_FOR_EACH_POSSIBLE(n, o, m, k) \ 72 hlist_for_each_entry(o, &n[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(n)))],\ 73 m) 74 #define HASH_ADD_RCU(h, n, k) \ 75 hlist_add_head_rcu(n, &h[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(h)))]) 76 #define HASH_DEL_RCU(tbl, node) hlist_del_rcu(node) 77 #define HASH_ADD(h, n, k) \ 78 hlist_add_head(n, &h[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(h)))]) 79 #define HASH_DEL(tbl, node) hlist_del(node) 80 81 #define WQ_UNBOUND_MAX_ACTIVE max_t(int, 512, num_possible_cpus() * 4) 82 #define if_addr_rlock(x) 83 #define if_addr_runlock(x) 84 85 /* constants */ 86 #define STATS_TIMER_DELAY 60000 87 88 /* a couple of linux size defines */ 89 #define SZ_128 128 90 #define SZ_2K SZ_128 * 16 91 #define SZ_1G (SZ_1K * SZ_1K * SZ_1K) 92 #define SPEED_1000 1000 93 #define SPEED_10000 10000 94 #define SPEED_20000 20000 95 #define SPEED_25000 25000 96 #define SPEED_40000 40000 97 #define SPEED_100000 100000 98 99 #define irdma_mb() mb() 100 #define irdma_wmb() wmb() 101 #define irdma_get_virt_to_phy vtophys 102 103 #define __aligned_u64 uint64_t __aligned(8) 104 105 #define VLAN_PRIO_SHIFT 13 106 107 /* 108 * debug definition section 109 */ 110 #define irdma_print(S, ...) printf("%s:%d "S, __FUNCTION__, __LINE__, ##__VA_ARGS__) 111 #define irdma_debug_buf(dev, mask, desc, buf, size) \ 112 do { \ 113 u32 i; \ 114 if (!((mask) & (dev)->debug_mask)) { \ 115 break; \ 116 } \ 117 irdma_debug(dev, mask, "%s\n", desc); \ 118 irdma_debug(dev, mask, "starting address virt=%p phy=%lxh\n", buf, irdma_get_virt_to_phy(buf)); \ 119 for (i = 0; i < size ; i += 8) \ 120 irdma_debug(dev, mask, "index %03d val: %016lx\n", i, ((unsigned long *)buf)[i / 8]); \ 121 } while(0) 122 123 #define irdma_debug(h, m, s, ...) \ 124 do { \ 125 if (!(h)) { \ 126 if ((m) == IRDMA_DEBUG_INIT) \ 127 printf("irdma INIT " s, ##__VA_ARGS__); \ 128 } else if (((m) & (h)->debug_mask)) { \ 129 printf("irdma " s, ##__VA_ARGS__); \ 130 } \ 131 } while (0) 132 #define irdma_dev_err(a, b, ...) printf(b, ##__VA_ARGS__) 133 #define irdma_dev_warn(a, b, ...) printf(b, ##__VA_ARGS__) /*dev_warn(a, b)*/ 134 #define irdma_dev_info(a, b, ...) printf(b, ##__VA_ARGS__) 135 #define irdma_pr_warn printf 136 #define ibdev_err(ibdev, fmt, ...) printf("%s:"fmt, (ibdev)->name, ##__VA_ARGS__) 137 138 #define dump_struct(s, sz, name) \ 139 do { \ 140 unsigned char *a; \ 141 printf("%s %u", (name), (unsigned int)(sz)); \ 142 for (a = (unsigned char*)(s); a < (unsigned char *)(s) + (sz) ; a ++) { \ 143 if ((u64)a % 8 == 0) \ 144 printf("\n%p ", a); \ 145 printf("%2x ", *a); \ 146 } \ 147 printf("\n"); \ 148 }while(0) 149 150 /* 151 * debug definition end 152 */ 153 154 typedef __be16 BE16; 155 typedef __be32 BE32; 156 typedef uintptr_t irdma_uintptr; 157 158 struct irdma_hw; 159 struct irdma_pci_f; 160 struct irdma_sc_dev; 161 struct irdma_sc_qp; 162 struct irdma_sc_vsi; 163 164 struct irdma_task_arg { 165 struct irdma_device *iwdev; 166 struct ice_rdma_peer *peer; 167 atomic_t open_ongoing; 168 atomic_t close_ongoing; 169 }; 170 171 struct irdma_dev_ctx { 172 bus_space_tag_t mem_bus_space_tag; 173 bus_space_handle_t mem_bus_space_handle; 174 bus_size_t mem_bus_space_size; 175 void *dev; 176 struct irdma_task_arg task_arg; 177 }; 178 179 #define irdma_pr_info(fmt, args ...) printf("%s: WARN "fmt, __func__, ## args) 180 #define irdma_pr_err(fmt, args ...) printf("%s: ERR "fmt, __func__, ## args) 181 #define irdma_memcpy(a, b, c) memcpy((a), (b), (c)) 182 #define irdma_memset(a, b, c) memset((a), (b), (c)) 183 #define irdma_usec_delay(x) DELAY(x) 184 #define mdelay(x) DELAY((x) * 1000) 185 186 #define rt_tos2priority(tos) (tos >> 5) 187 #define ah_attr_to_dmac(attr) ((attr).dmac) 188 #define kc_ib_modify_qp_is_ok(cur_state, next_state, type, mask, ll) \ 189 ib_modify_qp_is_ok(cur_state, next_state, type, mask) 190 #define kc_rdma_gid_attr_network_type(sgid_attr, gid_type, gid) \ 191 ib_gid_to_network_type(gid_type, gid) 192 #define irdma_del_timer_compat(tt) del_timer((tt)) 193 #define IRDMA_TAILQ_FOREACH CK_STAILQ_FOREACH 194 #define IRDMA_TAILQ_FOREACH_SAFE CK_STAILQ_FOREACH_SAFE 195 #define between(a, b, c) (bool)(c-a >= b-a) 196 197 #define rd32(a, reg) irdma_rd32((a)->dev_context, (reg)) 198 #define wr32(a, reg, value) irdma_wr32((a)->dev_context, (reg), (value)) 199 200 #define rd64(a, reg) irdma_rd64((a)->dev_context, (reg)) 201 #define wr64(a, reg, value) irdma_wr64((a)->dev_context, (reg), (value)) 202 #define db_wr32(value, a) writel((value), (a)) 203 204 void *hw_to_dev(struct irdma_hw *hw); 205 206 struct irdma_dma_mem { 207 void *va; 208 u64 pa; 209 bus_dma_tag_t tag; 210 bus_dmamap_t map; 211 bus_dma_segment_t seg; 212 bus_size_t size; 213 int nseg; 214 int flags; 215 }; 216 217 struct irdma_virt_mem { 218 void *va; 219 u32 size; 220 }; 221 222 struct irdma_dma_info { 223 dma_addr_t *dmaaddrs; 224 }; 225 226 struct list_head; 227 u32 irdma_rd32(struct irdma_dev_ctx *dev_ctx, u32 reg); 228 void irdma_wr32(struct irdma_dev_ctx *dev_ctx, u32 reg, u32 value); 229 u64 irdma_rd64(struct irdma_dev_ctx *dev_ctx, u32 reg); 230 void irdma_wr64(struct irdma_dev_ctx *dev_ctx, u32 reg, u64 value); 231 232 void irdma_term_modify_qp(struct irdma_sc_qp *qp, u8 next_state, u8 term, u8 term_len); 233 void irdma_terminate_done(struct irdma_sc_qp *qp, int timeout_occurred); 234 void irdma_terminate_start_timer(struct irdma_sc_qp *qp); 235 void irdma_terminate_del_timer(struct irdma_sc_qp *qp); 236 237 void irdma_hw_stats_start_timer(struct irdma_sc_vsi *vsi); 238 void irdma_hw_stats_stop_timer(struct irdma_sc_vsi *vsi); 239 void irdma_send_ieq_ack(struct irdma_sc_qp *qp); 240 241 u8* irdma_get_hw_addr(void *par); 242 243 void irdma_unmap_vm_page_list(struct irdma_hw *hw, u64 *pg_arr, u32 pg_cnt); 244 int irdma_map_vm_page_list(struct irdma_hw *hw, void *va, 245 u64 *pg_arr, u32 pg_cnt); 246 247 struct ib_device *irdma_get_ibdev(struct irdma_sc_dev *dev); 248 249 #endif /* _ICRDMA_OSDEP_H_ */ 250