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