From 02a42f8e40caed53fd357c9c33912e1bfb6f0365 Mon Sep 17 00:00:00 2001 From: Kamal Heib Date: Mon, 10 Dec 2018 21:09:47 +0200 Subject: [PATCH] RDMA/rdmavt: Initialize ib_device_ops struct Initialize ib_device_ops with the supported operations using ib_set_device_ops() and remove the use of check_driver_override(). Signed-off-by: Kamal Heib Signed-off-by: Jason Gunthorpe --- drivers/infiniband/sw/rdmavt/vt.c | 299 ++++++------------------------ 1 file changed, 54 insertions(+), 245 deletions(-) diff --git a/drivers/infiniband/sw/rdmavt/vt.c b/drivers/infiniband/sw/rdmavt/vt.c index 723d3daf2eba..c52b38fe2416 100644 --- a/drivers/infiniband/sw/rdmavt/vt.c +++ b/drivers/infiniband/sw/rdmavt/vt.c @@ -392,16 +392,51 @@ enum { _VERB_IDX_MAX /* Must always be last! */ }; -static inline int check_driver_override(struct rvt_dev_info *rdi, - size_t offset, void *func) -{ - if (!*(void **)((void *)&rdi->ibdev + offset)) { - *(void **)((void *)&rdi->ibdev + offset) = func; - return 0; - } - - return 1; -} +static const struct ib_device_ops rvt_dev_ops = { + .alloc_fmr = rvt_alloc_fmr, + .alloc_mr = rvt_alloc_mr, + .alloc_pd = rvt_alloc_pd, + .alloc_ucontext = rvt_alloc_ucontext, + .attach_mcast = rvt_attach_mcast, + .create_ah = rvt_create_ah, + .create_cq = rvt_create_cq, + .create_qp = rvt_create_qp, + .create_srq = rvt_create_srq, + .dealloc_fmr = rvt_dealloc_fmr, + .dealloc_pd = rvt_dealloc_pd, + .dealloc_ucontext = rvt_dealloc_ucontext, + .dereg_mr = rvt_dereg_mr, + .destroy_ah = rvt_destroy_ah, + .destroy_cq = rvt_destroy_cq, + .destroy_qp = rvt_destroy_qp, + .destroy_srq = rvt_destroy_srq, + .detach_mcast = rvt_detach_mcast, + .get_dma_mr = rvt_get_dma_mr, + .get_port_immutable = rvt_get_port_immutable, + .map_mr_sg = rvt_map_mr_sg, + .map_phys_fmr = rvt_map_phys_fmr, + .mmap = rvt_mmap, + .modify_ah = rvt_modify_ah, + .modify_device = rvt_modify_device, + .modify_port = rvt_modify_port, + .modify_qp = rvt_modify_qp, + .modify_srq = rvt_modify_srq, + .poll_cq = rvt_poll_cq, + .post_recv = rvt_post_recv, + .post_send = rvt_post_send, + .post_srq_recv = rvt_post_srq_recv, + .query_ah = rvt_query_ah, + .query_device = rvt_query_device, + .query_gid = rvt_query_gid, + .query_pkey = rvt_query_pkey, + .query_port = rvt_query_port, + .query_qp = rvt_query_qp, + .query_srq = rvt_query_srq, + .reg_user_mr = rvt_reg_user_mr, + .req_notify_cq = rvt_req_notify_cq, + .resize_cq = rvt_resize_cq, + .unmap_fmr = rvt_unmap_fmr, +}; static noinline int check_support(struct rvt_dev_info *rdi, int verb) { @@ -416,76 +451,36 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb) return -EINVAL; break; - case QUERY_DEVICE: - check_driver_override(rdi, offsetof(struct ib_device, - query_device), - rvt_query_device); - break; - case MODIFY_DEVICE: /* * rdmavt does not support modify device currently drivers must * provide. */ - if (!check_driver_override(rdi, offsetof(struct ib_device, - modify_device), - rvt_modify_device)) + if (!rdi->ibdev.modify_device) return -EOPNOTSUPP; break; case QUERY_PORT: - if (!check_driver_override(rdi, offsetof(struct ib_device, - query_port), - rvt_query_port)) + if (!rdi->ibdev.query_port) if (!rdi->driver_f.query_port_state) return -EINVAL; break; case MODIFY_PORT: - if (!check_driver_override(rdi, offsetof(struct ib_device, - modify_port), - rvt_modify_port)) + if (!rdi->ibdev.modify_port) if (!rdi->driver_f.cap_mask_chg || !rdi->driver_f.shut_down_port) return -EINVAL; break; - case QUERY_PKEY: - check_driver_override(rdi, offsetof(struct ib_device, - query_pkey), - rvt_query_pkey); - break; - case QUERY_GID: - if (!check_driver_override(rdi, offsetof(struct ib_device, - query_gid), - rvt_query_gid)) + if (!rdi->ibdev.query_gid) if (!rdi->driver_f.get_guid_be) return -EINVAL; break; - case ALLOC_UCONTEXT: - check_driver_override(rdi, offsetof(struct ib_device, - alloc_ucontext), - rvt_alloc_ucontext); - break; - - case DEALLOC_UCONTEXT: - check_driver_override(rdi, offsetof(struct ib_device, - dealloc_ucontext), - rvt_dealloc_ucontext); - break; - - case GET_PORT_IMMUTABLE: - check_driver_override(rdi, offsetof(struct ib_device, - get_port_immutable), - rvt_get_port_immutable); - break; - case CREATE_QP: - if (!check_driver_override(rdi, offsetof(struct ib_device, - create_qp), - rvt_create_qp)) + if (!rdi->ibdev.create_qp) if (!rdi->driver_f.qp_priv_alloc || !rdi->driver_f.qp_priv_free || !rdi->driver_f.notify_qp_reset || @@ -496,9 +491,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb) break; case MODIFY_QP: - if (!check_driver_override(rdi, offsetof(struct ib_device, - modify_qp), - rvt_modify_qp)) + if (!rdi->ibdev.modify_qp) if (!rdi->driver_f.notify_qp_reset || !rdi->driver_f.schedule_send || !rdi->driver_f.get_pmtu_from_attr || @@ -512,9 +505,7 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb) break; case DESTROY_QP: - if (!check_driver_override(rdi, offsetof(struct ib_device, - destroy_qp), - rvt_destroy_qp)) + if (!rdi->ibdev.destroy_qp) if (!rdi->driver_f.qp_priv_free || !rdi->driver_f.notify_qp_reset || !rdi->driver_f.flush_qp_waiters || @@ -523,197 +514,14 @@ static noinline int check_support(struct rvt_dev_info *rdi, int verb) return -EINVAL; break; - case QUERY_QP: - check_driver_override(rdi, offsetof(struct ib_device, - query_qp), - rvt_query_qp); - break; - case POST_SEND: - if (!check_driver_override(rdi, offsetof(struct ib_device, - post_send), - rvt_post_send)) + if (!rdi->ibdev.post_send) if (!rdi->driver_f.schedule_send || !rdi->driver_f.do_send || !rdi->post_parms) return -EINVAL; break; - case POST_RECV: - check_driver_override(rdi, offsetof(struct ib_device, - post_recv), - rvt_post_recv); - break; - case POST_SRQ_RECV: - check_driver_override(rdi, offsetof(struct ib_device, - post_srq_recv), - rvt_post_srq_recv); - break; - - case CREATE_AH: - check_driver_override(rdi, offsetof(struct ib_device, - create_ah), - rvt_create_ah); - break; - - case DESTROY_AH: - check_driver_override(rdi, offsetof(struct ib_device, - destroy_ah), - rvt_destroy_ah); - break; - - case MODIFY_AH: - check_driver_override(rdi, offsetof(struct ib_device, - modify_ah), - rvt_modify_ah); - break; - - case QUERY_AH: - check_driver_override(rdi, offsetof(struct ib_device, - query_ah), - rvt_query_ah); - break; - - case CREATE_SRQ: - check_driver_override(rdi, offsetof(struct ib_device, - create_srq), - rvt_create_srq); - break; - - case MODIFY_SRQ: - check_driver_override(rdi, offsetof(struct ib_device, - modify_srq), - rvt_modify_srq); - break; - - case DESTROY_SRQ: - check_driver_override(rdi, offsetof(struct ib_device, - destroy_srq), - rvt_destroy_srq); - break; - - case QUERY_SRQ: - check_driver_override(rdi, offsetof(struct ib_device, - query_srq), - rvt_query_srq); - break; - - case ATTACH_MCAST: - check_driver_override(rdi, offsetof(struct ib_device, - attach_mcast), - rvt_attach_mcast); - break; - - case DETACH_MCAST: - check_driver_override(rdi, offsetof(struct ib_device, - detach_mcast), - rvt_detach_mcast); - break; - - case GET_DMA_MR: - check_driver_override(rdi, offsetof(struct ib_device, - get_dma_mr), - rvt_get_dma_mr); - break; - - case REG_USER_MR: - check_driver_override(rdi, offsetof(struct ib_device, - reg_user_mr), - rvt_reg_user_mr); - break; - - case DEREG_MR: - check_driver_override(rdi, offsetof(struct ib_device, - dereg_mr), - rvt_dereg_mr); - break; - - case ALLOC_FMR: - check_driver_override(rdi, offsetof(struct ib_device, - alloc_fmr), - rvt_alloc_fmr); - break; - - case ALLOC_MR: - check_driver_override(rdi, offsetof(struct ib_device, - alloc_mr), - rvt_alloc_mr); - break; - - case MAP_MR_SG: - check_driver_override(rdi, offsetof(struct ib_device, - map_mr_sg), - rvt_map_mr_sg); - break; - - case MAP_PHYS_FMR: - check_driver_override(rdi, offsetof(struct ib_device, - map_phys_fmr), - rvt_map_phys_fmr); - break; - - case UNMAP_FMR: - check_driver_override(rdi, offsetof(struct ib_device, - unmap_fmr), - rvt_unmap_fmr); - break; - - case DEALLOC_FMR: - check_driver_override(rdi, offsetof(struct ib_device, - dealloc_fmr), - rvt_dealloc_fmr); - break; - - case MMAP: - check_driver_override(rdi, offsetof(struct ib_device, - mmap), - rvt_mmap); - break; - - case CREATE_CQ: - check_driver_override(rdi, offsetof(struct ib_device, - create_cq), - rvt_create_cq); - break; - - case DESTROY_CQ: - check_driver_override(rdi, offsetof(struct ib_device, - destroy_cq), - rvt_destroy_cq); - break; - - case POLL_CQ: - check_driver_override(rdi, offsetof(struct ib_device, - poll_cq), - rvt_poll_cq); - break; - - case REQ_NOTFIY_CQ: - check_driver_override(rdi, offsetof(struct ib_device, - req_notify_cq), - rvt_req_notify_cq); - break; - - case RESIZE_CQ: - check_driver_override(rdi, offsetof(struct ib_device, - resize_cq), - rvt_resize_cq); - break; - - case ALLOC_PD: - check_driver_override(rdi, offsetof(struct ib_device, - alloc_pd), - rvt_alloc_pd); - break; - - case DEALLOC_PD: - check_driver_override(rdi, offsetof(struct ib_device, - dealloc_pd), - rvt_dealloc_pd); - break; - - default: - return -EINVAL; } return 0; @@ -745,6 +553,7 @@ int rvt_register_device(struct rvt_dev_info *rdi, u32 driver_id) return -EINVAL; } + ib_set_device_ops(&rdi->ibdev, &rvt_dev_ops); /* Once we get past here we can use rvt_pr macros and tracepoints */ trace_rvt_dbg(rdi, "Driver attempting registration");