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 FBSD_KCOMPAT_H
36 #define FBSD_KCOMPAT_H
37 #include "ice_rdma.h"
38
39 #define TASKLET_DATA_TYPE unsigned long
40 #define TASKLET_FUNC_TYPE void (*)(TASKLET_DATA_TYPE)
41
42 #ifndef tasklet_setup
43 #define tasklet_setup(tasklet, callback) \
44 tasklet_init((tasklet), (TASKLET_FUNC_TYPE)(callback), \
45 (TASKLET_DATA_TYPE)(tasklet))
46 #endif
47 #ifndef from_tasklet
48 #define from_tasklet(var, callback_tasklet, tasklet_fieldname) \
49 container_of(callback_tasklet, typeof(*var), tasklet_fieldname)
50 #endif
51 #define IRDMA_SET_RDMA_OBJ_SIZE(ib_struct, drv_struct, member) \
52 (sizeof(struct drv_struct) + \
53 BUILD_BUG_ON_ZERO(offsetof(struct drv_struct, member)) + \
54 BUILD_BUG_ON_ZERO( \
55 !__same_type(((struct drv_struct *)NULL)->member, \
56 struct ib_struct)))
57
58 #define set_ibdev_dma_device(ibdev, dev) \
59 ibdev.dma_device = (dev)
60 #define set_max_sge(props, rf) \
61 ((props)->max_sge = (rf)->sc_dev.hw_attrs.uk_attrs.max_hw_wq_frags)
62 #define kmap(pg) page_address(pg)
63 #define kmap_local_page(pg) page_address(pg)
64 #define kunmap(pg)
65 #define kunmap_local(pg)
66
67 #define IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION IB_CQ_FLAGS_TIMESTAMP_COMPLETION
68 #ifndef IB_QP_ATTR_STANDARD_BITS
69 #define IB_QP_ATTR_STANDARD_BITS GENMASK(20, 0)
70 #endif
71
72 #define IRDMA_QOS_MODE_VLAN 0x0
73 #define IRDMA_QOS_MODE_DSCP 0x1
74
75 #define IRDMA_VER_LEN 24
76
77 void kc_set_roce_uverbs_cmd_mask(struct irdma_device *iwdev);
78 void kc_set_rdma_uverbs_cmd_mask(struct irdma_device *iwdev);
79
80 struct irdma_tunable_info {
81 struct sysctl_ctx_list irdma_sysctl_ctx;
82 struct sysctl_oid *irdma_sysctl_tree;
83 struct sysctl_oid *sws_sysctl_tree;
84 char drv_ver[IRDMA_VER_LEN];
85 u8 roce_ena;
86 };
87
irdma_iw_query_pkey(struct ib_device * ibdev,u8 port,u16 index,u16 * pkey)88 static inline int irdma_iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
89 u16 *pkey)
90 {
91 *pkey = 0;
92 return 0;
93 }
94
cq_validate_flags(u32 flags,u8 hw_rev)95 static inline int cq_validate_flags(u32 flags, u8 hw_rev)
96 {
97 /* GEN1 does not support CQ create flags */
98 if (hw_rev == IRDMA_GEN_1)
99 return flags ? -EOPNOTSUPP : 0;
100
101 return flags & ~IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION ? -EOPNOTSUPP : 0;
102 }
irdma_next_pbl_addr(u64 * pbl,struct irdma_pble_info ** pinfo,u32 * idx)103 static inline u64 *irdma_next_pbl_addr(u64 *pbl, struct irdma_pble_info **pinfo,
104 u32 *idx)
105 {
106 *idx += 1;
107 if (!(*pinfo) || *idx != (*pinfo)->cnt)
108 return ++pbl;
109 *idx = 0;
110 (*pinfo)++;
111
112 return (*pinfo)->addr;
113 }
114
115 static inline struct vnet *
irdma_cmid_to_vnet(struct iw_cm_id * cm_id)116 irdma_cmid_to_vnet(struct iw_cm_id *cm_id)
117 {
118 struct rdma_cm_id *rdma_id;
119
120 if (!cm_id)
121 return &init_net;
122
123 rdma_id = (struct rdma_cm_id *)cm_id->context;
124
125 return rdma_id->route.addr.dev_addr.net;
126 }
127
128 int irdma_create_cq(struct ib_cq *ibcq,
129 const struct ib_cq_init_attr *attr,
130 struct ib_udata *udata);
131 struct ib_qp *irdma_create_qp(struct ib_pd *ibpd,
132 struct ib_qp_init_attr *init_attr,
133 struct ib_udata *udata);
134 int irdma_create_ah(struct ib_ah *ib_ah,
135 struct ib_ah_attr *attr, u32 flags,
136 struct ib_udata *udata);
137 int irdma_create_ah_stub(struct ib_ah *ib_ah,
138 struct ib_ah_attr *attr, u32 flags,
139 struct ib_udata *udata);
140 void irdma_ether_copy(u8 *dmac, struct ib_ah_attr *attr);
141 void irdma_destroy_ah(struct ib_ah *ibah, u32 flags);
142 void irdma_destroy_ah_stub(struct ib_ah *ibah, u32 flags);
143 int irdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
144 int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata);
145 int ib_get_eth_speed(struct ib_device *dev, u32 port_num, u8 *speed, u8 *width);
146 enum rdma_link_layer irdma_get_link_layer(struct ib_device *ibdev,
147 u8 port_num);
148 int irdma_roce_port_immutable(struct ib_device *ibdev, u8 port_num,
149 struct ib_port_immutable *immutable);
150 int irdma_iw_port_immutable(struct ib_device *ibdev, u8 port_num,
151 struct ib_port_immutable *immutable);
152 int irdma_query_gid(struct ib_device *ibdev, u8 port, int index,
153 union ib_gid *gid);
154 int irdma_query_gid_roce(struct ib_device *ibdev, u8 port, int index,
155 union ib_gid *gid);
156 int irdma_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
157 u16 *pkey);
158 int irdma_query_port(struct ib_device *ibdev, u8 port,
159 struct ib_port_attr *props);
160 struct rdma_hw_stats *irdma_alloc_hw_stats(struct ib_device *ibdev, u8 port_num);
161 int irdma_get_hw_stats(struct ib_device *ibdev,
162 struct rdma_hw_stats *stats, u8 port_num,
163 int index);
164
165 void irdma_request_reset(struct irdma_pci_f *rf);
166 int irdma_register_qset(struct irdma_sc_vsi *vsi,
167 struct irdma_ws_node *tc_node);
168 void irdma_unregister_qset(struct irdma_sc_vsi *vsi,
169 struct irdma_ws_node *tc_node);
170 void ib_unregister_device(struct ib_device *ibdev);
171 void irdma_disassociate_ucontext(struct ib_ucontext *context);
172 int kc_irdma_set_roce_cm_info(struct irdma_qp *iwqp,
173 struct ib_qp_attr *attr,
174 u16 *vlan_id);
175
176 void kc_set_loc_seq_num_mss(struct irdma_cm_node *cm_node);
177 u16 kc_rdma_get_udp_sport(u32 fl, u32 lqpn, u32 rqpn);
178
179 void irdma_get_dev_fw_str(struct ib_device *dev, char *str, size_t str_len);
180
181 int irdma_modify_port(struct ib_device *ibdev, u8 port, int mask,
182 struct ib_port_modify *props);
183 int irdma_get_dst_mac(struct irdma_cm_node *cm_node, struct sockaddr *dst_sin,
184 u8 *dst_mac);
185 int irdma_resolve_neigh_lpb_chk(struct irdma_device *iwdev, struct irdma_cm_node *cm_node,
186 struct irdma_cm_info *cm_info);
187 int irdma_addr_resolve_neigh(struct irdma_cm_node *cm_node, u32 dst_ip,
188 int arpindex);
189 int irdma_addr_resolve_neigh_ipv6(struct irdma_cm_node *cm_node, u32 *dest,
190 int arpindex);
191 void irdma_dcqcn_tunables_init(struct irdma_pci_f *rf);
192 void irdma_sysctl_settings(struct irdma_pci_f *rf);
193 void irdma_sw_stats_tunables_init(struct irdma_pci_f *rf);
194 u32 irdma_create_stag(struct irdma_device *iwdev);
195 void irdma_free_stag(struct irdma_device *iwdev, u32 stag);
196
197 int irdma_hwdereg_mr(struct ib_mr *ib_mr);
198 int irdma_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, u64 len,
199 u64 virt, int new_access, struct ib_pd *new_pd,
200 struct ib_udata *udata);
201 struct irdma_mr;
202 struct irdma_cq;
203 struct irdma_cq_buf;
204 struct ib_mr *irdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
205 u32 max_num_sg, struct ib_udata *udata);
206 int irdma_hwreg_mr(struct irdma_device *iwdev, struct irdma_mr *iwmr,
207 u16 access);
208 struct ib_mr *irdma_rereg_mr_trans(struct irdma_mr *iwmr, u64 start, u64 len,
209 u64 virt, struct ib_udata *udata);
210 int irdma_hw_alloc_mw(struct irdma_device *iwdev, struct irdma_mr *iwmr);
211 struct ib_mw *irdma_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
212 struct ib_udata *udata);
213 int irdma_hw_alloc_stag(struct irdma_device *iwdev, struct irdma_mr *iwmr);
214 void irdma_cq_free_rsrc(struct irdma_pci_f *rf, struct irdma_cq *iwcq);
215 int irdma_validate_qp_attrs(struct ib_qp_init_attr *init_attr,
216 struct irdma_device *iwdev);
217 void irdma_setup_virt_qp(struct irdma_device *iwdev,
218 struct irdma_qp *iwqp,
219 struct irdma_qp_init_info *init_info);
220 int irdma_setup_kmode_qp(struct irdma_device *iwdev,
221 struct irdma_qp *iwqp,
222 struct irdma_qp_init_info *info,
223 struct ib_qp_init_attr *init_attr);
224 int irdma_setup_umode_qp(struct ib_udata *udata,
225 struct irdma_device *iwdev,
226 struct irdma_qp *iwqp,
227 struct irdma_qp_init_info *info,
228 struct ib_qp_init_attr *init_attr);
229 void irdma_roce_fill_and_set_qpctx_info(struct irdma_qp *iwqp,
230 struct irdma_qp_host_ctx_info *ctx_info);
231 void irdma_iw_fill_and_set_qpctx_info(struct irdma_qp *iwqp,
232 struct irdma_qp_host_ctx_info *ctx_info);
233 int irdma_cqp_create_qp_cmd(struct irdma_qp *iwqp);
234 void irdma_dealloc_push_page(struct irdma_pci_f *rf,
235 struct irdma_qp *iwqp);
236 int irdma_process_resize_list(struct irdma_cq *iwcq, struct irdma_device *iwdev,
237 struct irdma_cq_buf *lcqe_buf);
238 void irdma_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata);
239 int irdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata);
240 void irdma_dealloc_ucontext(struct ib_ucontext *context);
241 int irdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
242 void irdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
243 int irdma_add_gid(struct ib_device *, u8, unsigned int, const union ib_gid *,
244 const struct ib_gid_attr *, void **);
245 int irdma_del_gid(struct ib_device *, u8, unsigned int, void **);
246 struct ib_device *ib_device_get_by_netdev(struct ifnet *ndev, int driver_id);
247 void ib_device_put(struct ib_device *device);
248 void ib_unregister_device_put(struct ib_device *device);
249 enum ib_mtu ib_mtu_int_to_enum(int mtu);
250 struct irdma_pbl *irdma_get_pbl(unsigned long va, struct list_head *pbl_list);
251 void irdma_clean_cqes(struct irdma_qp *iwqp, struct irdma_cq *iwcq);
252 void irdma_remove_push_mmap_entries(struct irdma_qp *iwqp);
253
254 struct irdma_ucontext;
255 void irdma_del_memlist(struct irdma_mr *iwmr, struct irdma_ucontext *ucontext);
256 void irdma_copy_user_pgaddrs(struct irdma_mr *iwmr, u64 *pbl,
257 enum irdma_pble_level level);
258 void irdma_reg_ipaddr_event_cb(struct irdma_pci_f *rf);
259 void irdma_dereg_ipaddr_event_cb(struct irdma_pci_f *rf);
260
261 /* Introduced in this series https://lore.kernel.org/linux-rdma/0-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com/
262 * An irdma version helper doing same for older functions with difference that iova is passed in
263 * as opposed to derived from umem->iova.
264 */
irdma_ib_umem_num_dma_blocks(struct ib_umem * umem,unsigned long pgsz,u64 iova)265 static inline size_t irdma_ib_umem_num_dma_blocks(struct ib_umem *umem, unsigned long pgsz, u64 iova)
266 {
267 /* some older OFED distros do not have ALIGN_DOWN */
268 #ifndef ALIGN_DOWN
269 #define ALIGN_DOWN(x, a) ALIGN((x) - ((a) - 1), (a))
270 #endif
271
272 return (size_t)((ALIGN(iova + umem->length, pgsz) -
273 ALIGN_DOWN(iova, pgsz))) / pgsz;
274 }
275
addrconf_addr_eui48(u8 * deui,const char * const addr)276 static inline void addrconf_addr_eui48(u8 *deui, const char *const addr)
277 {
278 memcpy(deui, addr, 3);
279 deui[3] = 0xFF;
280 deui[4] = 0xFE;
281 memcpy(deui + 5, addr + 3, 3);
282 deui[0] ^= 2;
283 }
284
285 #endif /* FBSD_KCOMPAT_H */
286