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 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 52 #if __FreeBSD_version >= 1400000 53 #define IRDMA_SET_RDMA_OBJ_SIZE(ib_struct, drv_struct, member) \ 54 (sizeof(struct drv_struct) + \ 55 BUILD_BUG_ON_ZERO(offsetof(struct drv_struct, member)) + \ 56 BUILD_BUG_ON_ZERO( \ 57 !__same_type(((struct drv_struct *)NULL)->member, \ 58 struct ib_struct))) 59 #endif /* __FreeBSD_version > 1400000 */ 60 61 #define set_ibdev_dma_device(ibdev, dev) \ 62 ibdev.dma_device = (dev) 63 #define set_max_sge(props, rf) \ 64 ((props)->max_sge = (rf)->sc_dev.hw_attrs.uk_attrs.max_hw_wq_frags) 65 #define kc_set_props_ip_gid_caps(props) \ 66 ((props)->port_cap_flags |= IB_PORT_IP_BASED_GIDS) 67 #define rdma_query_gid(ibdev, port, index, gid) \ 68 ib_get_cached_gid(ibdev, port, index, gid, NULL) 69 #define kmap(pg) page_address(pg) 70 #define kmap_local_page(pg) page_address(pg) 71 #define kunmap(pg) 72 #define kunmap_local(pg) 73 #if __FreeBSD_version >= 1400026 74 #define kc_free_lsmm_dereg_mr(iwdev, iwqp) \ 75 ((iwdev)->ibdev.dereg_mr((iwqp)->lsmm_mr, NULL)) 76 #else 77 #define kc_free_lsmm_dereg_mr(iwdev, iwqp) \ 78 ((iwdev)->ibdev.dereg_mr((iwqp)->lsmm_mr)) 79 #endif 80 81 #define IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION IB_CQ_FLAGS_TIMESTAMP_COMPLETION 82 #if __FreeBSD_version < 1400026 83 #define kc_irdma_destroy_qp(ibqp, udata) irdma_destroy_qp(ibqp) 84 #else 85 #define kc_irdma_destroy_qp(ibqp, udata) irdma_destroy_qp(ibqp, udata) 86 #endif 87 #ifndef IB_QP_ATTR_STANDARD_BITS 88 #define IB_QP_ATTR_STANDARD_BITS GENMASK(20, 0) 89 #endif 90 91 #define IRDMA_QOS_MODE_VLAN 0x0 92 #define IRDMA_QOS_MODE_DSCP 0x1 93 94 #define IRDMA_VER_LEN 24 95 96 void kc_set_roce_uverbs_cmd_mask(struct irdma_device *iwdev); 97 void kc_set_rdma_uverbs_cmd_mask(struct irdma_device *iwdev); 98 99 struct irdma_tunable_info { 100 struct sysctl_ctx_list irdma_sysctl_ctx; 101 struct sysctl_oid *irdma_sysctl_tree; 102 char drv_ver[IRDMA_VER_LEN]; 103 u8 roce_ena; 104 }; 105 106 static inline int irdma_iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 107 u16 *pkey) 108 { 109 *pkey = 0; 110 return 0; 111 } 112 113 static inline int cq_validate_flags(u32 flags, u8 hw_rev) 114 { 115 /* GEN1 does not support CQ create flags */ 116 if (hw_rev == IRDMA_GEN_1) 117 return flags ? -EOPNOTSUPP : 0; 118 119 return flags & ~IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION ? -EOPNOTSUPP : 0; 120 } 121 static inline u64 *irdma_next_pbl_addr(u64 *pbl, struct irdma_pble_info **pinfo, 122 u32 *idx) 123 { 124 *idx += 1; 125 if (!(*pinfo) || *idx != (*pinfo)->cnt) 126 return ++pbl; 127 *idx = 0; 128 (*pinfo)++; 129 130 return (*pinfo)->addr; 131 } 132 #if __FreeBSD_version < 1400026 133 struct ib_cq *irdma_create_cq(struct ib_device *ibdev, 134 const struct ib_cq_init_attr *attr, 135 struct ib_ucontext *context, 136 struct ib_udata *udata); 137 #else 138 int irdma_create_cq(struct ib_cq *ibcq, 139 const struct ib_cq_init_attr *attr, 140 struct ib_udata *udata); 141 #endif 142 struct ib_qp *irdma_create_qp(struct ib_pd *ibpd, 143 struct ib_qp_init_attr *init_attr, 144 struct ib_udata *udata); 145 #if __FreeBSD_version >= 1400026 146 int irdma_create_ah(struct ib_ah *ib_ah, 147 struct ib_ah_attr *attr, u32 flags, 148 struct ib_udata *udata); 149 int irdma_create_ah_stub(struct ib_ah *ib_ah, 150 struct ib_ah_attr *attr, u32 flags, 151 struct ib_udata *udata); 152 #else 153 struct ib_ah *irdma_create_ah(struct ib_pd *ibpd, 154 struct ib_ah_attr *attr, 155 struct ib_udata *udata); 156 struct ib_ah *irdma_create_ah_stub(struct ib_pd *ibpd, 157 struct ib_ah_attr *attr, 158 struct ib_udata *udata); 159 #endif 160 void irdma_ether_copy(u8 *dmac, struct ib_ah_attr *attr); 161 162 #if __FreeBSD_version >= 1400026 163 void irdma_destroy_ah(struct ib_ah *ibah, u32 flags); 164 void irdma_destroy_ah_stub(struct ib_ah *ibah, u32 flags); 165 #else 166 int irdma_destroy_ah(struct ib_ah *ibah); 167 int irdma_destroy_ah_stub(struct ib_ah *ibah); 168 #endif 169 #if __FreeBSD_version < 1400026 170 int irdma_destroy_qp(struct ib_qp *ibqp); 171 #else 172 int irdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata); 173 #endif 174 #if __FreeBSD_version < 1400026 175 int irdma_dereg_mr(struct ib_mr *ib_mr); 176 #else 177 int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata); 178 #endif 179 int ib_get_eth_speed(struct ib_device *dev, u32 port_num, u8 *speed, u8 *width); 180 enum rdma_link_layer irdma_get_link_layer(struct ib_device *ibdev, 181 u8 port_num); 182 int irdma_roce_port_immutable(struct ib_device *ibdev, u8 port_num, 183 struct ib_port_immutable *immutable); 184 int irdma_iw_port_immutable(struct ib_device *ibdev, u8 port_num, 185 struct ib_port_immutable *immutable); 186 int irdma_query_gid(struct ib_device *ibdev, u8 port, int index, 187 union ib_gid *gid); 188 int irdma_query_gid_roce(struct ib_device *ibdev, u8 port, int index, 189 union ib_gid *gid); 190 int irdma_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 191 u16 *pkey); 192 int irdma_query_port(struct ib_device *ibdev, u8 port, 193 struct ib_port_attr *props); 194 struct rdma_hw_stats *irdma_alloc_hw_stats(struct ib_device *ibdev, u8 port_num); 195 int irdma_get_hw_stats(struct ib_device *ibdev, 196 struct rdma_hw_stats *stats, u8 port_num, 197 int index); 198 199 void irdma_request_reset(struct irdma_pci_f *rf); 200 int irdma_register_qset(struct irdma_sc_vsi *vsi, 201 struct irdma_ws_node *tc_node); 202 void irdma_unregister_qset(struct irdma_sc_vsi *vsi, 203 struct irdma_ws_node *tc_node); 204 void ib_unregister_device(struct ib_device *ibdev); 205 #if __FreeBSD_version < 1400026 206 int rdma_user_mmap_io(struct ib_ucontext *ucontext, struct vm_area_struct *vma, 207 unsigned long pfn, unsigned long size, pgprot_t prot); 208 #endif 209 void irdma_disassociate_ucontext(struct ib_ucontext *context); 210 int kc_irdma_set_roce_cm_info(struct irdma_qp *iwqp, 211 struct ib_qp_attr *attr, 212 u16 *vlan_id); 213 struct irdma_device *kc_irdma_get_device(struct ifnet *netdev); 214 void kc_irdma_put_device(struct irdma_device *iwdev); 215 216 void kc_set_loc_seq_num_mss(struct irdma_cm_node *cm_node); 217 u16 kc_rdma_get_udp_sport(u32 fl, u32 lqpn, u32 rqpn); 218 219 void irdma_get_dev_fw_str(struct ib_device *dev, char *str, size_t str_len); 220 221 int irdma_modify_port(struct ib_device *ibdev, u8 port, int mask, 222 struct ib_port_modify *props); 223 int irdma_get_dst_mac(struct irdma_cm_node *cm_node, struct sockaddr *dst_sin, 224 u8 *dst_mac); 225 int irdma_resolve_neigh_lpb_chk(struct irdma_device *iwdev, struct irdma_cm_node *cm_node, 226 struct irdma_cm_info *cm_info); 227 int irdma_addr_resolve_neigh(struct irdma_cm_node *cm_node, u32 dst_ip, 228 int arpindex); 229 int irdma_addr_resolve_neigh_ipv6(struct irdma_cm_node *cm_node, u32 *dest, 230 int arpindex); 231 void irdma_dcqcn_tunables_init(struct irdma_pci_f *rf); 232 u32 irdma_create_stag(struct irdma_device *iwdev); 233 void irdma_free_stag(struct irdma_device *iwdev, u32 stag); 234 235 int irdma_hwdereg_mr(struct ib_mr *ib_mr); 236 int irdma_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, u64 len, 237 u64 virt, int new_access, struct ib_pd *new_pd, 238 struct ib_udata *udata); 239 struct irdma_mr; 240 struct irdma_cq; 241 struct irdma_cq_buf; 242 #if __FreeBSD_version < 1400026 243 struct ib_mr *irdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, 244 u32 max_num_sg); 245 #else 246 struct ib_mr *irdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, 247 u32 max_num_sg, struct ib_udata *udata); 248 #endif 249 int irdma_hwreg_mr(struct irdma_device *iwdev, struct irdma_mr *iwmr, 250 u16 access); 251 struct ib_mr *irdma_rereg_mr_trans(struct irdma_mr *iwmr, u64 start, u64 len, 252 u64 virt, struct ib_udata *udata); 253 int irdma_hw_alloc_mw(struct irdma_device *iwdev, struct irdma_mr *iwmr); 254 struct ib_mw *irdma_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, 255 struct ib_udata *udata); 256 int irdma_hw_alloc_stag(struct irdma_device *iwdev, struct irdma_mr *iwmr); 257 void irdma_cq_free_rsrc(struct irdma_pci_f *rf, struct irdma_cq *iwcq); 258 int irdma_validate_qp_attrs(struct ib_qp_init_attr *init_attr, 259 struct irdma_device *iwdev); 260 void irdma_setup_virt_qp(struct irdma_device *iwdev, 261 struct irdma_qp *iwqp, 262 struct irdma_qp_init_info *init_info); 263 int irdma_setup_kmode_qp(struct irdma_device *iwdev, 264 struct irdma_qp *iwqp, 265 struct irdma_qp_init_info *info, 266 struct ib_qp_init_attr *init_attr); 267 int irdma_setup_umode_qp(struct ib_udata *udata, 268 struct irdma_device *iwdev, 269 struct irdma_qp *iwqp, 270 struct irdma_qp_init_info *info, 271 struct ib_qp_init_attr *init_attr); 272 void irdma_roce_fill_and_set_qpctx_info(struct irdma_qp *iwqp, 273 struct irdma_qp_host_ctx_info *ctx_info); 274 void irdma_iw_fill_and_set_qpctx_info(struct irdma_qp *iwqp, 275 struct irdma_qp_host_ctx_info *ctx_info); 276 int irdma_cqp_create_qp_cmd(struct irdma_qp *iwqp); 277 void irdma_dealloc_push_page(struct irdma_pci_f *rf, 278 struct irdma_sc_qp *qp); 279 int irdma_process_resize_list(struct irdma_cq *iwcq, struct irdma_device *iwdev, 280 struct irdma_cq_buf *lcqe_buf); 281 #if __FreeBSD_version < 1400026 282 int irdma_destroy_cq(struct ib_cq *ib_cq); 283 #else 284 void irdma_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata); 285 #endif 286 #if __FreeBSD_version < 1400026 287 struct ib_ucontext *irdma_alloc_ucontext(struct ib_device *, struct ib_udata *); 288 #else 289 int irdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata); 290 #endif 291 #if __FreeBSD_version < 1400026 292 int irdma_dealloc_ucontext(struct ib_ucontext *); 293 #else 294 void irdma_dealloc_ucontext(struct ib_ucontext *context); 295 #endif 296 #if __FreeBSD_version < 1400026 297 struct ib_pd *irdma_alloc_pd(struct ib_device *, struct ib_ucontext *, 298 struct ib_udata *); 299 #else 300 int irdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata); 301 #endif 302 #if __FreeBSD_version < 1400026 303 int irdma_dealloc_pd(struct ib_pd *); 304 #else 305 void irdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata); 306 #endif 307 int irdma_add_gid(struct ib_device *, u8, unsigned int, const union ib_gid *, 308 const struct ib_gid_attr *, void **); 309 int irdma_del_gid(struct ib_device *, u8, unsigned int, void **); 310 struct ib_device *ib_device_get_by_netdev(struct ifnet *ndev, int driver_id); 311 void ib_device_put(struct ib_device *device); 312 void ib_unregister_device_put(struct ib_device *device); 313 enum ib_mtu ib_mtu_int_to_enum(int mtu); 314 struct irdma_pbl *irdma_get_pbl(unsigned long va, struct list_head *pbl_list); 315 void irdma_clean_cqes(struct irdma_qp *iwqp, struct irdma_cq *iwcq); 316 void irdma_remove_push_mmap_entries(struct irdma_qp *iwqp); 317 318 struct irdma_ucontext; 319 void irdma_del_memlist(struct irdma_mr *iwmr, struct irdma_ucontext *ucontext); 320 void irdma_copy_user_pgaddrs(struct irdma_mr *iwmr, u64 *pbl, 321 enum irdma_pble_level level); 322 void irdma_reg_ipaddr_event_cb(struct irdma_pci_f *rf); 323 void irdma_dereg_ipaddr_event_cb(struct irdma_pci_f *rf); 324 325 /* Introduced in this series https://lore.kernel.org/linux-rdma/0-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com/ 326 * An irdma version helper doing same for older functions with difference that iova is passed in 327 * as opposed to derived from umem->iova. 328 */ 329 static inline size_t irdma_ib_umem_num_dma_blocks(struct ib_umem *umem, unsigned long pgsz, u64 iova) 330 { 331 /* some older OFED distros do not have ALIGN_DOWN */ 332 #ifndef ALIGN_DOWN 333 #define ALIGN_DOWN(x, a) ALIGN((x) - ((a) - 1), (a)) 334 #endif 335 336 return (size_t)((ALIGN(iova + umem->length, pgsz) - 337 ALIGN_DOWN(iova, pgsz))) / pgsz; 338 } 339 340 static inline void addrconf_addr_eui48(u8 *deui, const char *const addr) 341 { 342 memcpy(deui, addr, 3); 343 deui[3] = 0xFF; 344 deui[4] = 0xFE; 345 memcpy(deui + 5, addr + 3, 3); 346 deui[0] ^= 2; 347 } 348 349 #endif /* FBSD_KCOMPAT_H */ 350