vt.c (82ffd0454bd9bd57780966d47bfd56d579dd4fb3) vt.c (21a428a019c9a6d133e745b529b9bf18c1187e70)
1/*
2 * Copyright(c) 2016 - 2018 Intel Corporation.
3 *
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
6 *
7 * GPL LICENSE SUMMARY
8 *

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86 * We also allocate a port array based on the number of ports.
87 *
88 * Return: pointer to allocated rdi
89 */
90struct rvt_dev_info *rvt_alloc_device(size_t size, int nports)
91{
92 struct rvt_dev_info *rdi;
93
1/*
2 * Copyright(c) 2016 - 2018 Intel Corporation.
3 *
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
6 *
7 * GPL LICENSE SUMMARY
8 *

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86 * We also allocate a port array based on the number of ports.
87 *
88 * Return: pointer to allocated rdi
89 */
90struct rvt_dev_info *rvt_alloc_device(size_t size, int nports)
91{
92 struct rvt_dev_info *rdi;
93
94 rdi = (struct rvt_dev_info *)ib_alloc_device(size);
94 rdi = container_of(_ib_alloc_device(size), struct rvt_dev_info, ibdev);
95 if (!rdi)
96 return rdi;
97
98 rdi->ports = kcalloc(nports,
99 sizeof(struct rvt_ibport **),
100 GFP_KERNEL);
101 if (!rdi->ports)
102 ib_dealloc_device(&rdi->ibdev);

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299 * @ibdev: Verbs IB dev
300 * @udata: User data allocated
301 */
302static struct ib_ucontext *rvt_alloc_ucontext(struct ib_device *ibdev,
303 struct ib_udata *udata)
304{
305 struct rvt_ucontext *context;
306
95 if (!rdi)
96 return rdi;
97
98 rdi->ports = kcalloc(nports,
99 sizeof(struct rvt_ibport **),
100 GFP_KERNEL);
101 if (!rdi->ports)
102 ib_dealloc_device(&rdi->ibdev);

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299 * @ibdev: Verbs IB dev
300 * @udata: User data allocated
301 */
302static struct ib_ucontext *rvt_alloc_ucontext(struct ib_device *ibdev,
303 struct ib_udata *udata)
304{
305 struct rvt_ucontext *context;
306
307 context = kmalloc(sizeof(*context), GFP_KERNEL);
307 context = kzalloc(sizeof(*context), GFP_KERNEL);
308 if (!context)
309 return ERR_PTR(-ENOMEM);
310 return &context->ibucontext;
311}
312
313/**
314 *rvt_dealloc_ucontext - Free a user context
315 *@context - Free this

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431 .query_pkey = rvt_query_pkey,
432 .query_port = rvt_query_port,
433 .query_qp = rvt_query_qp,
434 .query_srq = rvt_query_srq,
435 .reg_user_mr = rvt_reg_user_mr,
436 .req_notify_cq = rvt_req_notify_cq,
437 .resize_cq = rvt_resize_cq,
438 .unmap_fmr = rvt_unmap_fmr,
308 if (!context)
309 return ERR_PTR(-ENOMEM);
310 return &context->ibucontext;
311}
312
313/**
314 *rvt_dealloc_ucontext - Free a user context
315 *@context - Free this

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431 .query_pkey = rvt_query_pkey,
432 .query_port = rvt_query_port,
433 .query_qp = rvt_query_qp,
434 .query_srq = rvt_query_srq,
435 .reg_user_mr = rvt_reg_user_mr,
436 .req_notify_cq = rvt_req_notify_cq,
437 .resize_cq = rvt_resize_cq,
438 .unmap_fmr = rvt_unmap_fmr,
439 INIT_RDMA_OBJ_SIZE(ib_pd, rvt_pd, ibpd),
439};
440
441static noinline int check_support(struct rvt_dev_info *rdi, int verb)
442{
443 switch (verb) {
444 case MISC:
445 /*
446 * These functions are not part of verbs specifically but are
447 * required for rdmavt to function.
448 */
440};
441
442static noinline int check_support(struct rvt_dev_info *rdi, int verb)
443{
444 switch (verb) {
445 case MISC:
446 /*
447 * These functions are not part of verbs specifically but are
448 * required for rdmavt to function.
449 */
449 if ((!rdi->driver_f.port_callback) ||
450 if ((!rdi->ibdev.ops.init_port) ||
450 (!rdi->driver_f.get_pci_dev))
451 return -EINVAL;
452 break;
453
454 case MODIFY_DEVICE:
455 /*
456 * rdmavt does not support modify device currently drivers must
457 * provide.

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639 (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
640 (1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV);
641 rdi->ibdev.node_type = RDMA_NODE_IB_CA;
642 if (!rdi->ibdev.num_comp_vectors)
643 rdi->ibdev.num_comp_vectors = 1;
644
645 rdi->ibdev.driver_id = driver_id;
646 /* We are now good to announce we exist */
451 (!rdi->driver_f.get_pci_dev))
452 return -EINVAL;
453 break;
454
455 case MODIFY_DEVICE:
456 /*
457 * rdmavt does not support modify device currently drivers must
458 * provide.

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640 (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) |
641 (1ull << IB_USER_VERBS_CMD_POST_SRQ_RECV);
642 rdi->ibdev.node_type = RDMA_NODE_IB_CA;
643 if (!rdi->ibdev.num_comp_vectors)
644 rdi->ibdev.num_comp_vectors = 1;
645
646 rdi->ibdev.driver_id = driver_id;
647 /* We are now good to announce we exist */
647 ret = ib_register_device(&rdi->ibdev, dev_name(&rdi->ibdev.dev),
648 rdi->driver_f.port_callback);
648 ret = ib_register_device(&rdi->ibdev, dev_name(&rdi->ibdev.dev));
649 if (ret) {
650 rvt_pr_err(rdi, "Failed to register driver with ib core.\n");
651 goto bail_wss;
652 }
653
654 rvt_create_mad_agents(rdi);
655
656 rvt_pr_info(rdi, "Registration with rdmavt done.\n");

--- 54 unchanged lines hidden --- 		649 if (ret) {
650 rvt_pr_err(rdi, "Failed to register driver with ib core.\n");
651 goto bail_wss;
652 }
653
654 rvt_create_mad_agents(rdi);
655
656 rvt_pr_info(rdi, "Registration with rdmavt done.\n");

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