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