FreeBSD/Linux Kernel Cross Reference
sys/dev/irdma/fbsd_kcompat.h

     /*-
      * SPDX-License-Identifier: GPL-2.0 or Linux-OpenIB
      *
      * Copyright (c) 2021 - 2022 Intel Corporation
      *
      * This software is available to you under a choice of one of two
      * licenses.  You may choose to be licensed under the terms of the GNU
      * General Public License (GPL) Version 2, available from the file
      * COPYING in the main directory of this source tree, or the
     * OpenFabrics.org BSD license below:
     *
     *   Redistribution and use in source and binary forms, with or
     *   without modification, are permitted provided that the following
     *   conditions are met:
     *
     *    - Redistributions of source code must retain the above
     *      copyright notice, this list of conditions and the following
     *      disclaimer.
     *
     *    - Redistributions in binary form must reproduce the above
     *      copyright notice, this list of conditions and the following
     *      disclaimer in the documentation and/or other materials
     *      provided with the distribution.
     *
     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
     * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
     * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     * SOFTWARE.
     */
    /*$FreeBSD$*/
    
    #ifndef FBSD_KCOMPAT_H
    #define FBSD_KCOMPAT_H
    #include "ice_rdma.h"
    
    #define TASKLET_DATA_TYPE       unsigned long
    #define TASKLET_FUNC_TYPE       void (*)(TASKLET_DATA_TYPE)
    
    #define tasklet_setup(tasklet, callback)                                \
            tasklet_init((tasklet), (TASKLET_FUNC_TYPE)(callback),          \
                          (TASKLET_DATA_TYPE)(tasklet))
    
    #ifndef from_tasklet
    #define from_tasklet(var, callback_tasklet, tasklet_fieldname) \
            container_of(callback_tasklet, typeof(*var), tasklet_fieldname)
    #endif
    
    #define IRDMA_SET_RDMA_OBJ_SIZE(ib_struct, drv_struct, member)    \
            (sizeof(struct drv_struct) +                              \
             BUILD_BUG_ON_ZERO(offsetof(struct drv_struct, member)) + \
             BUILD_BUG_ON_ZERO(                                       \
                    !__same_type(((struct drv_struct *)NULL)->member, \
                                          struct ib_struct)))
    
    #define set_ibdev_dma_device(ibdev, dev) \
            ibdev.dma_device = (dev)
    #define set_max_sge(props, rf)  \
            ((props)->max_sge = (rf)->sc_dev.hw_attrs.uk_attrs.max_hw_wq_frags)
    #define kc_set_props_ip_gid_caps(props) \
            ((props)->port_cap_flags  |= IB_PORT_IP_BASED_GIDS)
    #define rdma_query_gid(ibdev, port, index, gid) \
            ib_get_cached_gid(ibdev, port, index, gid, NULL)
    #define kmap(pg) page_address(pg)
    #define kmap_local_page(pg) page_address(pg)
    #define kunmap(pg)
    #define kunmap_local(pg)
    #define kc_free_lsmm_dereg_mr(iwdev, iwqp) \
            ((iwdev)->ibdev.dereg_mr((iwqp)->lsmm_mr, NULL))
    
    #define IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION IB_CQ_FLAGS_TIMESTAMP_COMPLETION
    #define kc_irdma_destroy_qp(ibqp, udata) irdma_destroy_qp(ibqp, udata)
    #ifndef IB_QP_ATTR_STANDARD_BITS
    #define IB_QP_ATTR_STANDARD_BITS GENMASK(20, 0)
    #endif
    
    #define IRDMA_QOS_MODE_VLAN 0x0
    #define IRDMA_QOS_MODE_DSCP 0x1
    
    #define IRDMA_VER_LEN 24
    
    void kc_set_roce_uverbs_cmd_mask(struct irdma_device *iwdev);
    void kc_set_rdma_uverbs_cmd_mask(struct irdma_device *iwdev);
    
    struct irdma_tunable_info {
            struct sysctl_ctx_list irdma_sysctl_ctx;
            struct sysctl_oid *irdma_sysctl_tree;
            char drv_ver[IRDMA_VER_LEN];
            u8 roce_ena;
    };
    
    static inline int irdma_iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
                                          u16 *pkey)
    {
            *pkey = 0;
            return 0;
   }
   
   static inline int cq_validate_flags(u32 flags, u8 hw_rev)
   {
           /* GEN1 does not support CQ create flags */
           if (hw_rev == IRDMA_GEN_1)
                   return flags ? -EOPNOTSUPP : 0;
   
           return flags & ~IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION ? -EOPNOTSUPP : 0;
   }
   static inline u64 *irdma_next_pbl_addr(u64 *pbl, struct irdma_pble_info **pinfo,
                                          u32 *idx)
   {
           *idx += 1;
           if (!(*pinfo) || *idx != (*pinfo)->cnt)
                   return ++pbl;
           *idx = 0;
           (*pinfo)++;
   
           return (*pinfo)->addr;
   }
   int irdma_create_cq(struct ib_cq *ibcq,
                       const struct ib_cq_init_attr *attr,
                       struct ib_udata *udata);
   struct ib_qp *irdma_create_qp(struct ib_pd *ibpd,
                                 struct ib_qp_init_attr *init_attr,
                                 struct ib_udata *udata);
   int irdma_create_ah(struct ib_ah *ib_ah,
                       struct ib_ah_attr *attr, u32 flags,
                       struct ib_udata *udata);
   int irdma_create_ah_stub(struct ib_ah *ib_ah,
                            struct ib_ah_attr *attr, u32 flags,
                            struct ib_udata *udata);
   void irdma_ether_copy(u8 *dmac, struct ib_ah_attr *attr);
   
   void irdma_destroy_ah(struct ib_ah *ibah, u32 flags);
   void irdma_destroy_ah_stub(struct ib_ah *ibah, u32 flags);
   int irdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
   int irdma_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata);
   void irdma_get_eth_speed_and_width(u32 link_speed, u8 *active_speed,
                                      u8 *active_width);
   enum rdma_link_layer irdma_get_link_layer(struct ib_device *ibdev,
                                             u8 port_num);
   int irdma_roce_port_immutable(struct ib_device *ibdev, u8 port_num,
                                 struct ib_port_immutable *immutable);
   int irdma_iw_port_immutable(struct ib_device *ibdev, u8 port_num,
                               struct ib_port_immutable *immutable);
   int irdma_query_gid(struct ib_device *ibdev, u8 port, int index,
                       union ib_gid *gid);
   int irdma_query_gid_roce(struct ib_device *ibdev, u8 port, int index,
                            union ib_gid *gid);
   int irdma_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
                        u16 *pkey);
   int irdma_query_port(struct ib_device *ibdev, u8 port,
                        struct ib_port_attr *props);
   struct rdma_hw_stats *irdma_alloc_hw_stats(struct ib_device *ibdev, u8 port_num);
   int irdma_get_hw_stats(struct ib_device *ibdev,
                          struct rdma_hw_stats *stats, u8 port_num,
                          int index);
   
   int irdma_register_qset(struct irdma_sc_vsi *vsi,
                           struct irdma_ws_node *tc_node);
   void irdma_unregister_qset(struct irdma_sc_vsi *vsi,
                              struct irdma_ws_node *tc_node);
   void ib_unregister_device(struct ib_device *ibdev);
   void irdma_disassociate_ucontext(struct ib_ucontext *context);
   int kc_irdma_set_roce_cm_info(struct irdma_qp *iwqp,
                                 struct ib_qp_attr *attr,
                                 u16 *vlan_id);
   struct irdma_device *kc_irdma_get_device(struct ifnet *netdev);
   void kc_irdma_put_device(struct irdma_device *iwdev);
   
   void kc_set_loc_seq_num_mss(struct irdma_cm_node *cm_node);
   u16 kc_rdma_get_udp_sport(u32 fl, u32 lqpn, u32 rqpn);
   
   void irdma_get_dev_fw_str(struct ib_device *dev, char *str, size_t str_len);
   
   int irdma_modify_port(struct ib_device *ibdev, u8 port, int mask,
                         struct ib_port_modify *props);
   int irdma_get_dst_mac(struct irdma_cm_node *cm_node, struct sockaddr *dst_sin,
                         u8 *dst_mac);
   int irdma_resolve_neigh_lpb_chk(struct irdma_device *iwdev, struct irdma_cm_node *cm_node,
                                   struct irdma_cm_info *cm_info);
   int irdma_addr_resolve_neigh(struct irdma_cm_node *cm_node, u32 dst_ip,
                                int arpindex);
   int irdma_addr_resolve_neigh_ipv6(struct irdma_cm_node *cm_node, u32 *dest,
                                     int arpindex);
   void irdma_dcqcn_tunables_init(struct irdma_pci_f *rf);
   u32 irdma_create_stag(struct irdma_device *iwdev);
   void irdma_free_stag(struct irdma_device *iwdev, u32 stag);
   
   int irdma_hwdereg_mr(struct ib_mr *ib_mr);
   int irdma_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start, u64 len,
                           u64 virt, int new_access, struct ib_pd *new_pd,
                           struct ib_udata *udata);
   struct irdma_mr;
   struct irdma_cq;
   struct irdma_cq_buf;
   struct ib_mr *irdma_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
                                u32 max_num_sg, struct ib_udata *udata);
   int irdma_hwreg_mr(struct irdma_device *iwdev, struct irdma_mr *iwmr,
                      u16 access);
   struct ib_mr *irdma_rereg_mr_trans(struct irdma_mr *iwmr, u64 start, u64 len,
                                      u64 virt, struct ib_udata *udata);
   int irdma_hw_alloc_mw(struct irdma_device *iwdev, struct irdma_mr *iwmr);
   struct ib_mw *irdma_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
                                struct ib_udata *udata);
   int irdma_hw_alloc_stag(struct irdma_device *iwdev, struct irdma_mr *iwmr);
   void irdma_cq_free_rsrc(struct irdma_pci_f *rf, struct irdma_cq *iwcq);
   int irdma_validate_qp_attrs(struct ib_qp_init_attr *init_attr,
                               struct irdma_device *iwdev);
   void irdma_setup_virt_qp(struct irdma_device *iwdev,
                            struct irdma_qp *iwqp,
                            struct irdma_qp_init_info *init_info);
   int irdma_setup_kmode_qp(struct irdma_device *iwdev,
                            struct irdma_qp *iwqp,
                            struct irdma_qp_init_info *info,
                            struct ib_qp_init_attr *init_attr);
   int irdma_setup_umode_qp(struct ib_udata *udata,
                            struct irdma_device *iwdev,
                            struct irdma_qp *iwqp,
                            struct irdma_qp_init_info *info,
                            struct ib_qp_init_attr *init_attr);
   void irdma_roce_fill_and_set_qpctx_info(struct irdma_qp *iwqp,
                                           struct irdma_qp_host_ctx_info *ctx_info);
   void irdma_iw_fill_and_set_qpctx_info(struct irdma_qp *iwqp,
                                         struct irdma_qp_host_ctx_info *ctx_info);
   int irdma_cqp_create_qp_cmd(struct irdma_qp *iwqp);
   void irdma_dealloc_push_page(struct irdma_pci_f *rf,
                                struct irdma_sc_qp *qp);
   int irdma_process_resize_list(struct irdma_cq *iwcq, struct irdma_device *iwdev,
                                 struct irdma_cq_buf *lcqe_buf);
   void irdma_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata);
   int irdma_alloc_ucontext(struct ib_ucontext *uctx, struct ib_udata *udata);
   void irdma_dealloc_ucontext(struct ib_ucontext *context);
   int irdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
   void irdma_dealloc_pd(struct ib_pd *ibpd, struct ib_udata *udata);
   int irdma_add_gid(struct ib_device *, u8, unsigned int, const union ib_gid *,
                     const struct ib_gid_attr *, void **);
   int irdma_del_gid(struct ib_device *, u8, unsigned int, void **);
   struct ib_device *ib_device_get_by_netdev(struct ifnet *ndev, int driver_id);
   void ib_device_put(struct ib_device *device);
   void ib_unregister_device_put(struct ib_device *device);
   enum ib_mtu ib_mtu_int_to_enum(int mtu);
   struct irdma_pbl *irdma_get_pbl(unsigned long va, struct list_head *pbl_list);
   void irdma_clean_cqes(struct irdma_qp *iwqp, struct irdma_cq *iwcq);
   void irdma_remove_push_mmap_entries(struct irdma_qp *iwqp);
   
   struct irdma_ucontext;
   void irdma_del_memlist(struct irdma_mr *iwmr, struct irdma_ucontext *ucontext);
   void irdma_copy_user_pgaddrs(struct irdma_mr *iwmr, u64 *pbl,
                                enum irdma_pble_level level);
   void irdma_reg_ipaddr_event_cb(struct irdma_pci_f *rf);
   void irdma_dereg_ipaddr_event_cb(struct irdma_pci_f *rf);
   
   /* Introduced in this series https://lore.kernel.org/linux-rdma/0-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com/
    * An irdma version helper doing same for older functions with difference that iova is passed in
    * as opposed to derived from umem->iova.
    */
   static inline size_t irdma_ib_umem_num_dma_blocks(struct ib_umem *umem, unsigned long pgsz, u64 iova)
   {
           /* some older OFED distros do not have ALIGN_DOWN */
   #ifndef ALIGN_DOWN
   #define ALIGN_DOWN(x, a)        ALIGN((x) - ((a) - 1), (a))
   #endif
   
           return (size_t)((ALIGN(iova + umem->length, pgsz) -
                            ALIGN_DOWN(iova, pgsz))) / pgsz;
   }
   
   #endif /* FBSD_KCOMPAT_H */

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