xref: /freebsd/contrib/ofed/libirdma/osdep.h (revision 38a52bd3b5cac3da6f7f6eef3dd050e6aa08ebb3)
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 <stdatomic.h>
40 #include <stdbool.h>
41 #include <stdio.h>
42 #include <infiniband/types.h>
43 #include <infiniband/verbs.h>
44 #include <infiniband/udma_barrier.h>
45 #include <sys/bus.h>
46 #include <sys/bus_dma.h>
47 #include <sys/endian.h>
48 
49 #define ATOMIC atomic_t
50 #define IOMEM
51 #define IRDMA_NTOHL(a) ntohl(a)
52 #define IRDMA_NTOHS(a) ntohs(a)
53 #define MAKEMASK(m, s) ((m) << (s))
54 #define OS_TIMER timer_list
55 #define OS_LIST_HEAD list_head
56 #define OS_LIST_ENTRY list_head
57 #define DECLARE_HASHTABLE(n, b) struct hlist_head (n)[1 << (b)]
58 #define HASH_MIN(v, b) (sizeof(v) <= 4 ? hash_32(v, b) : hash_long(v, b))
59 #define HASH_FOR_EACH_RCU(n, b, o, m) 	for ((b) = 0, o = NULL; o == NULL && (b) < ARRAY_SIZE(n);\
60 			(b)++)\
61 		hlist_for_each_entry_rcu(o, &n[(b)], m)
62 #define HASH_FOR_EACH_POSSIBLE_RCU(n, o, m, k)		\
63 	hlist_for_each_entry_rcu(o, &n[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(n)))],\
64 		m)
65 #define HASH_FOR_EACH_POSSIBLE(n, o, m, k)		\
66 	hlist_for_each_entry(o, &n[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(n)))],\
67 		m)
68 #define HASH_ADD_RCU(h, n, k) \
69 	hlist_add_head_rcu(n, &h[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(h)))])
70 #define HASH_DEL_RCU(tbl, node) hlist_del_rcu(node)
71 #define HASH_ADD(h, n, k) \
72 	hlist_add_head(n, &h[jhash(&k, sizeof(k), 0) >> (32 - ilog2(ARRAY_SIZE(h)))])
73 #define HASH_DEL(tbl, node) hlist_del(node)
74 
75 #define WQ_UNBOUND_MAX_ACTIVE max_t(int, 512, num_possible_cpus() * 4)
76 #define if_addr_rlock(x)
77 #define if_addr_runlock(x)
78 
79 /* constants */
80 #define STATS_TIMER_DELAY 60000
81 
82 /* a couple of linux size defines */
83 #define SZ_128     128
84 #define SZ_2K     SZ_128 * 16
85 #define SZ_1G   (SZ_1K * SZ_1K * SZ_1K)
86 #define SPEED_1000     1000
87 #define SPEED_10000   10000
88 #define SPEED_20000   20000
89 #define SPEED_25000   25000
90 #define SPEED_40000   40000
91 #define SPEED_100000 100000
92 
93 #define BIT_ULL(a) (1ULL << (a))
94 
95 #define __aligned_u64 uint64_t __aligned(8)
96 
97 #define VLAN_PRIO_SHIFT 13
98 
99 /*
100  * debug definition section
101  */
102 #define irdma_print(S, ...) printf("%s:%d "S, __FUNCTION__, __LINE__, ##__VA_ARGS__)
103 #define irdma_debug_buf(dev, mask, desc, buf, size)							\
104 do {													\
105 	u32    i;											\
106 	if (!((mask) & (dev)->debug_mask)) {								\
107 		break;											\
108 	}												\
109 	irdma_debug(dev, mask, "%s\n", desc);								\
110 	irdma_debug(dev, mask, "starting address virt=%p phy=%lxh\n", buf, irdma_get_virt_to_phy(buf));	\
111 	for (i = 0; i < size ; i += 8)									\
112 		irdma_debug(dev, mask, "index %03d val: %016lx\n", i, ((unsigned long *)buf)[i / 8]);	\
113 } while(0)
114 
115 #define irdma_debug(h, m, s, ...)					\
116 do {									\
117 	if (!(h)) {							\
118 		if ((m) == IRDMA_DEBUG_INIT)				\
119 			printf("irdma INIT " s, ##__VA_ARGS__);	\
120 	} else if (((m) & (h)->debug_mask)) {				\
121 		printf("irdma " s, ##__VA_ARGS__);			\
122 	} 								\
123 } while (0)
124 extern unsigned int irdma_dbg;
125 #define libirdma_debug(fmt, args...)                                    \
126 do {                                                                    \
127         if (irdma_dbg)                                                  \
128                 printf("libirdma-%s: " fmt, __func__, ##args); \
129 } while (0)
130 #define irdma_dev_err(a, b, ...) printf(b, ##__VA_ARGS__)
131 #define irdma_dev_warn(a, b, ...) printf(b, ##__VA_ARGS__) /*dev_warn(a, b)*/
132 #define irdma_dev_info(a, b, ...) printf(b, ##__VA_ARGS__)
133 #define irdma_pr_warn printf
134 #define ibdev_err(ibdev, fmt, ...)  dev_err(&((ibdev)->dev), fmt, ##__VA_ARGS__)
135 
136 #define dump_struct(s, sz, name)	\
137 do {				\
138 	unsigned char *a;	\
139 	printf("%s %u", (name), (unsigned int)(sz));				\
140 	for (a = (unsigned char*)(s); a < (unsigned char *)(s) + (sz) ; a ++) {	\
141 		if ((u64)a % 8 == 0)		\
142 			printf("\n%p ", a);	\
143 		printf("%2x ", *a);		\
144 	}			\
145 	printf("\n");		\
146 }while(0)
147 
148 /*
149  * debug definition end
150  */
151 
152 typedef __be16 BE16;
153 typedef __be32 BE32;
154 typedef uintptr_t irdma_uintptr;
155 
156 struct irdma_hw;
157 struct irdma_pci_f;
158 struct irdma_sc_dev;
159 struct irdma_sc_qp;
160 struct irdma_sc_vsi;
161 
162 #define irdma_pr_info(fmt, args ...) printf("%s: WARN "fmt, __func__, ## args)
163 #define irdma_pr_err(fmt, args ...) printf("%s: ERR "fmt, __func__, ## args)
164 #define irdma_memcpy(a, b, c)  memcpy((a), (b), (c))
165 #define irdma_memset(a, b, c)  memset((a), (b), (c))
166 #define irdma_usec_delay(x) DELAY(x)
167 #define mdelay(x) DELAY((x) * 1000)
168 
169 #define rt_tos2priority(tos) (((tos >> 1) & 0x8 >> 1) | ((tos >> 2) ^ ((tos >> 3) << 1)))
170 #define ah_attr_to_dmac(attr) ((attr).dmac)
171 #define kc_rdma_gid_attr_network_type(sgid_attr, gid_type, gid) \
172         ib_gid_to_network_type(gid_type, gid)
173 #define irdma_del_timer_compat(tt) del_timer((tt))
174 #define IRDMA_TAILQ_FOREACH CK_STAILQ_FOREACH
175 #define IRDMA_TAILQ_FOREACH_SAFE CK_STAILQ_FOREACH_SAFE
176 #define between(a, b, c) (bool)(c-a >= b-a)
177 
178 static inline void db_wr32(__u32 val, __u32 *wqe_word)
179 {
180         *wqe_word = val;
181 }
182 
183 void *hw_to_dev(struct irdma_hw *hw);
184 
185 struct irdma_dma_mem {
186 	void  *va;
187 	u64    pa;
188 	bus_dma_tag_t tag;
189 	bus_dmamap_t map;
190 	bus_dma_segment_t seg;
191 	bus_size_t size;
192 	int    nseg;
193 	int    flags;
194 };
195 
196 struct irdma_virt_mem {
197 	void  *va;
198 	u32    size;
199 };
200 
201 #ifndef verbs_mr
202 enum ibv_mr_type {
203         IBV_MR_TYPE_MR,
204         IBV_MR_TYPE_NULL_MR,
205 };
206 
207 struct verbs_mr {
208 	struct ibv_mr           ibv_mr;
209 	enum ibv_mr_type        mr_type;
210 };
211 #define verbs_get_mr(mr) container_of((mr), struct verbs_mr, ibv_mr)
212 #endif
213 #endif /* _ICRDMA_OSDEP_H_ */
214