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 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 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 } 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 * 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 */ 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 } 275 276 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