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 #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 kc_set_props_ip_gid_caps(props) \ 63 ((props)->port_cap_flags |= IB_PORT_IP_BASED_GIDS) 64 #define rdma_query_gid(ibdev, port, index, gid) \ 65 ib_get_cached_gid(ibdev, port, index, gid, NULL) 66 #define kmap(pg) page_address(pg) 67 #define kmap_local_page(pg) page_address(pg) 68 #define kunmap(pg) 69 #define kunmap_local(pg) 70 #define kc_free_lsmm_dereg_mr(iwdev, iwqp) \ 71 ((iwdev)->ibdev.dereg_mr((iwqp)->lsmm_mr, NULL)) 72 73 #define IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION IB_CQ_FLAGS_TIMESTAMP_COMPLETION 74 #define kc_irdma_destroy_qp(ibqp, udata) irdma_destroy_qp(ibqp, udata) 75 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 void kc_set_roce_uverbs_cmd_mask(struct irdma_device *iwdev); 84 void kc_set_rdma_uverbs_cmd_mask(struct irdma_device *iwdev); 85 86 struct irdma_tunable_info { 87 struct sysctl_ctx_list irdma_sysctl_ctx; 88 struct sysctl_oid *irdma_sysctl_tree; 89 u8 roce_ena; 90 }; 91 92 static inline int irdma_iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 93 u16 *pkey) 94 { 95 *pkey = 0; 96 return 0; 97 } 98 99 static inline int cq_validate_flags(u32 flags, u8 hw_rev) 100 { 101 /* GEN1 does not support CQ create flags */ 102 if (hw_rev == IRDMA_GEN_1) 103 return flags ? -EOPNOTSUPP : 0; 104 105 return flags & ~IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION ? -EOPNOTSUPP : 0; 106 } 107 static inline u64 *irdma_next_pbl_addr(u64 *pbl, struct irdma_pble_info **pinfo, 108 u32 *idx) 109 { 110 *idx += 1; 111 if (!(*pinfo) || *idx != (*pinfo)->cnt) 112 return ++pbl; 113 *idx = 0; 114 (*pinfo)++; 115 116 return (*pinfo)->addr; 117 } 118 int irdma_create_cq(struct ib_cq *ibcq, 119 const struct ib_cq_init_attr *attr, 120 struct ib_udata *udata); 121 struct ib_qp *irdma_create_qp(struct ib_pd *ibpd, 122 struct ib_qp_init_attr *init_attr, 123 struct ib_udata *udata); 124 int irdma_create_ah(struct ib_ah *ib_ah, 125 struct ib_ah_attr *attr, u32 flags, 126 struct ib_udata *udata); 127 int irdma_create_ah_stub(struct ib_ah *ib_ah, 128 struct ib_ah_attr *attr, u32 flags, 129 struct ib_udata *udata); 130 void irdma_ether_copy(u8 *dmac, struct ib_ah_attr *attr); 131 132 void irdma_destroy_ah(struct ib_ah *ibah, u32 flags); 133 void irdma_destroy_ah_stub(struct ib_ah *ibah, u32 flags); 134 int irdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata); 135 int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata); 136 void irdma_get_eth_speed_and_width(u32 link_speed, u8 *active_speed, 137 u8 *active_width); 138 enum rdma_link_layer irdma_get_link_layer(struct ib_device *ibdev, 139 u8 port_num); 140 int irdma_roce_port_immutable(struct ib_device *ibdev, u8 port_num, 141 struct ib_port_immutable *immutable); 142 int irdma_iw_port_immutable(struct ib_device *ibdev, u8 port_num, 143 struct ib_port_immutable *immutable); 144 int irdma_query_gid(struct ib_device *ibdev, u8 port, int index, 145 union ib_gid *gid); 146 int irdma_query_gid_roce(struct ib_device *ibdev, u8 port, int index, 147 union ib_gid *gid); 148 int irdma_query_pkey(struct ib_device *ibdev, u8 port, u16 index, 149 u16 *pkey); 150 int irdma_query_port(struct ib_device *ibdev, u8 port, 151 struct ib_port_attr *props); 152 struct rdma_hw_stats *irdma_alloc_hw_stats(struct ib_device *ibdev, u8 port_num); 153 int irdma_get_hw_stats(struct ib_device *ibdev, 154 struct rdma_hw_stats *stats, u8 port_num, 155 int index); 156 157 int irdma_register_qset(struct irdma_sc_vsi *vsi, 158 struct irdma_ws_node *tc_node); 159 void irdma_unregister_qset(struct irdma_sc_vsi *vsi, 160 struct irdma_ws_node *tc_node); 161 void ib_unregister_device(struct ib_device *ibdev); 162 void irdma_disassociate_ucontext(struct ib_ucontext *context); 163 int kc_irdma_set_roce_cm_info(struct irdma_qp *iwqp, 164 struct ib_qp_attr *attr, 165 u16 *vlan_id); 166 struct irdma_device *kc_irdma_get_device(struct ifnet *netdev); 167 void kc_irdma_put_device(struct irdma_device *iwdev); 168 169 void kc_set_loc_seq_num_mss(struct irdma_cm_node *cm_node); 170 171 void irdma_get_dev_fw_str(struct ib_device *dev, char *str, size_t str_len); 172 173 int irdma_modify_port(struct ib_device *ibdev, u8 port, int mask, 174 struct ib_port_modify *props); 175 int irdma_get_dst_mac(struct irdma_cm_node *cm_node, struct sockaddr *dst_sin, 176 u8 *dst_mac); 177 int irdma_resolve_neigh_lpb_chk(struct irdma_device *iwdev, struct irdma_cm_node *cm_node, 178 struct irdma_cm_info *cm_info); 179 int irdma_addr_resolve_neigh(struct irdma_cm_node *cm_node, u32 dst_ip, 180 int arpindex); 181 int irdma_addr_resolve_neigh_ipv6(struct irdma_cm_node *cm_node, u32 *dest, 182 int arpindex); 183 void irdma_dcqcn_tunables_init(struct irdma_pci_f *rf); 184 u32 irdma_create_stag(struct irdma_device *iwdev); 185 void irdma_free_stag(struct irdma_device *iwdev, u32 stag); 186 187 struct irdma_mr; 188 struct irdma_cq; 189 struct irdma_cq_buf; 190 struct ib_mr *irdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type, 191 u32 max_num_sg, struct ib_udata *udata); 192 int irdma_hw_alloc_mw(struct irdma_device *iwdev, struct irdma_mr *iwmr); 193 struct ib_mw *irdma_alloc_mw(struct ib_pd *pd, enum ib_mw_type type, 194 struct ib_udata *udata); 195 int irdma_hw_alloc_stag(struct irdma_device *iwdev, struct irdma_mr *iwmr); 196 void irdma_cq_free_rsrc(struct irdma_pci_f *rf, struct irdma_cq *iwcq); 197 int irdma_validate_qp_attrs(struct ib_qp_init_attr *init_attr, 198 struct irdma_device *iwdev); 199 void irdma_setup_virt_qp(struct irdma_device *iwdev, 200 struct irdma_qp *iwqp, 201 struct irdma_qp_init_info *init_info); 202 int irdma_setup_kmode_qp(struct irdma_device *iwdev, 203 struct irdma_qp *iwqp, 204 struct irdma_qp_init_info *info, 205 struct ib_qp_init_attr *init_attr); 206 void irdma_roce_fill_and_set_qpctx_info(struct irdma_qp *iwqp, 207 struct irdma_qp_host_ctx_info *ctx_info); 208 void irdma_iw_fill_and_set_qpctx_info(struct irdma_qp *iwqp, 209 struct irdma_qp_host_ctx_info *ctx_info); 210 int irdma_cqp_create_qp_cmd(struct irdma_qp *iwqp); 211 void irdma_dealloc_push_page(struct irdma_pci_f *rf, 212 struct irdma_sc_qp *qp); 213 int irdma_process_resize_list(struct irdma_cq *iwcq, struct irdma_device *iwdev, 214 struct irdma_cq_buf *lcqe_buf); 215 void irdma_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata); 216 int irdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata); 217 void irdma_dealloc_ucontext(struct ib_ucontext *context); 218 int irdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata); 219 void irdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata); 220 int irdma_add_gid(struct ib_device *, u8, unsigned int, const union ib_gid *, 221 const struct ib_gid_attr *, void **); 222 int irdma_del_gid(struct ib_device *, u8, unsigned int, void **); 223 struct ib_device *ib_device_get_by_netdev(struct ifnet *ndev, int driver_id); 224 void ib_device_put(struct ib_device *device); 225 void ib_unregister_device_put(struct ib_device *device); 226 enum ib_mtu ib_mtu_int_to_enum(int mtu); 227 struct irdma_pbl *irdma_get_pbl(unsigned long va, struct list_head *pbl_list); 228 void irdma_clean_cqes(struct irdma_qp *iwqp, struct irdma_cq *iwcq); 229 void irdma_remove_push_mmap_entries(struct irdma_qp *iwqp); 230 231 struct irdma_ucontext; 232 void irdma_del_memlist(struct irdma_mr *iwmr, struct irdma_ucontext *ucontext); 233 void irdma_copy_user_pgaddrs(struct irdma_mr *iwmr, u64 *pbl, 234 enum irdma_pble_level level); 235 void irdma_reg_ipaddr_event_cb(struct irdma_pci_f *rf); 236 void irdma_dereg_ipaddr_event_cb(struct irdma_pci_f *rf); 237 238 /* Introduced in this series https://lore.kernel.org/linux-rdma/0-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com/ 239 * An irdma version helper doing same for older functions with difference that iova is passed in 240 * as opposed to derived from umem->iova. 241 */ 242 static inline size_t irdma_ib_umem_num_dma_blocks(struct ib_umem *umem, unsigned long pgsz, u64 iova) 243 { 244 /* some older OFED distros do not have ALIGN_DOWN */ 245 #ifndef ALIGN_DOWN 246 #define ALIGN_DOWN(x, a) ALIGN((x) - ((a) - 1), (a)) 247 #endif 248 249 return (size_t)((ALIGN(iova + umem->length, pgsz) - 250 ALIGN_DOWN(iova, pgsz))) / pgsz; 251 } 252 253 #endif /* FBSD_KCOMPAT_H */ 254