118 lines
3.1 KiB
C
118 lines
3.1 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2022, Microsoft Corporation. All rights reserved.
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*/
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#include "mana_ib.h"
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#include <net/mana/mana_auxiliary.h>
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MODULE_DESCRIPTION("Microsoft Azure Network Adapter IB driver");
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MODULE_LICENSE("GPL");
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MODULE_IMPORT_NS(NET_MANA);
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static const struct ib_device_ops mana_ib_dev_ops = {
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.owner = THIS_MODULE,
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.driver_id = RDMA_DRIVER_MANA,
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.uverbs_abi_ver = MANA_IB_UVERBS_ABI_VERSION,
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.alloc_pd = mana_ib_alloc_pd,
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.alloc_ucontext = mana_ib_alloc_ucontext,
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.create_cq = mana_ib_create_cq,
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.create_qp = mana_ib_create_qp,
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.create_rwq_ind_table = mana_ib_create_rwq_ind_table,
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.create_wq = mana_ib_create_wq,
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.dealloc_pd = mana_ib_dealloc_pd,
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.dealloc_ucontext = mana_ib_dealloc_ucontext,
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.dereg_mr = mana_ib_dereg_mr,
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.destroy_cq = mana_ib_destroy_cq,
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.destroy_qp = mana_ib_destroy_qp,
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.destroy_rwq_ind_table = mana_ib_destroy_rwq_ind_table,
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.destroy_wq = mana_ib_destroy_wq,
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.disassociate_ucontext = mana_ib_disassociate_ucontext,
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.get_port_immutable = mana_ib_get_port_immutable,
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.mmap = mana_ib_mmap,
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.modify_qp = mana_ib_modify_qp,
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.modify_wq = mana_ib_modify_wq,
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.query_device = mana_ib_query_device,
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.query_gid = mana_ib_query_gid,
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.query_port = mana_ib_query_port,
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.reg_user_mr = mana_ib_reg_user_mr,
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INIT_RDMA_OBJ_SIZE(ib_cq, mana_ib_cq, ibcq),
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INIT_RDMA_OBJ_SIZE(ib_pd, mana_ib_pd, ibpd),
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INIT_RDMA_OBJ_SIZE(ib_qp, mana_ib_qp, ibqp),
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INIT_RDMA_OBJ_SIZE(ib_ucontext, mana_ib_ucontext, ibucontext),
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INIT_RDMA_OBJ_SIZE(ib_rwq_ind_table, mana_ib_rwq_ind_table,
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ib_ind_table),
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};
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static int mana_ib_probe(struct auxiliary_device *adev,
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const struct auxiliary_device_id *id)
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{
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struct mana_adev *madev = container_of(adev, struct mana_adev, adev);
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struct gdma_dev *mdev = madev->mdev;
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struct mana_context *mc;
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struct mana_ib_dev *dev;
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int ret;
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mc = mdev->driver_data;
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dev = ib_alloc_device(mana_ib_dev, ib_dev);
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if (!dev)
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return -ENOMEM;
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ib_set_device_ops(&dev->ib_dev, &mana_ib_dev_ops);
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dev->ib_dev.phys_port_cnt = mc->num_ports;
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ibdev_dbg(&dev->ib_dev, "mdev=%p id=%d num_ports=%d\n", mdev,
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mdev->dev_id.as_uint32, dev->ib_dev.phys_port_cnt);
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dev->gdma_dev = mdev;
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dev->ib_dev.node_type = RDMA_NODE_IB_CA;
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/*
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* num_comp_vectors needs to set to the max MSIX index
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* when interrupts and event queues are implemented
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*/
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dev->ib_dev.num_comp_vectors = 1;
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dev->ib_dev.dev.parent = mdev->gdma_context->dev;
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ret = ib_register_device(&dev->ib_dev, "mana_%d",
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mdev->gdma_context->dev);
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if (ret) {
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ib_dealloc_device(&dev->ib_dev);
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return ret;
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}
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dev_set_drvdata(&adev->dev, dev);
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return 0;
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}
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static void mana_ib_remove(struct auxiliary_device *adev)
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{
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struct mana_ib_dev *dev = dev_get_drvdata(&adev->dev);
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ib_unregister_device(&dev->ib_dev);
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ib_dealloc_device(&dev->ib_dev);
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}
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static const struct auxiliary_device_id mana_id_table[] = {
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{
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.name = "mana.rdma",
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},
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{},
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};
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MODULE_DEVICE_TABLE(auxiliary, mana_id_table);
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static struct auxiliary_driver mana_driver = {
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.name = "rdma",
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.probe = mana_ib_probe,
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.remove = mana_ib_remove,
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.id_table = mana_id_table,
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};
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module_auxiliary_driver(mana_driver);
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