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Commit 02a42f8e authored by Kamal Heib's avatar Kamal Heib Committed by Jason Gunthorpe
Browse files

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: default avatarKamal Heib <kamalheib1@gmail.com>
Signed-off-by: default avatarJason Gunthorpe <jgg@mellanox.com>
parent 573efc4b

drivers/infiniband/sw/rdmavt/vt.c

+54 −245
Original line number Diff line number Diff line
@@ -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");