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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 | /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * * 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 * 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. * */ #ifndef USNIC_IB_H_ #define USNIC_IB_H_ #include <linux/iommu.h> #include <linux/netdevice.h> #include <rdma/ib_verbs.h> #include "usnic.h" #include "usnic_abi.h" #include "usnic_vnic.h" #define USNIC_IB_PORT_CNT 1 #define USNIC_IB_NUM_COMP_VECTORS 1 extern unsigned int usnic_ib_share_vf; struct usnic_ib_ucontext { struct ib_ucontext ibucontext; /* Protected by usnic_ib_dev->usdev_lock */ struct list_head qp_grp_list; struct list_head link; }; struct usnic_ib_pd { struct ib_pd ibpd; struct usnic_uiom_pd *umem_pd; }; struct usnic_ib_cq { struct ib_cq ibcq; }; struct usnic_ib_mr { struct ib_mr ibmr; struct usnic_uiom_reg *umem; }; struct usnic_ib_dev { struct ib_device ib_dev; struct pci_dev *pdev; struct net_device *netdev; struct usnic_fwd_dev *ufdev; struct list_head ib_dev_link; struct list_head vf_dev_list; struct list_head ctx_list; struct mutex usdev_lock; /* provisioning information */ struct kref vf_cnt; unsigned int vf_res_cnt[USNIC_VNIC_RES_TYPE_MAX]; /* sysfs vars for QPN reporting */ struct kobject *qpn_kobj; }; struct usnic_ib_vf { struct usnic_ib_dev *pf; spinlock_t lock; struct usnic_vnic *vnic; unsigned int qp_grp_ref_cnt; struct usnic_ib_pd *pd; struct list_head link; }; static inline struct usnic_ib_dev *to_usdev(struct ib_device *ibdev) { return container_of(ibdev, struct usnic_ib_dev, ib_dev); } static inline struct usnic_ib_ucontext *to_ucontext(struct ib_ucontext *ibucontext) { return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext); } static inline struct usnic_ib_pd *to_upd(struct ib_pd *ibpd) { return container_of(ibpd, struct usnic_ib_pd, ibpd); } static inline struct usnic_ib_ucontext *to_uucontext(struct ib_ucontext *ibucontext) { return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext); } static inline struct usnic_ib_mr *to_umr(struct ib_mr *ibmr) { return container_of(ibmr, struct usnic_ib_mr, ibmr); } void usnic_ib_log_vf(struct usnic_ib_vf *vf); #define UPDATE_PTR_LEFT(N, P, L) \ do { \ L -= (N); \ P += (N); \ } while (0) #endif /* USNIC_IB_H_ */ |