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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 | /* * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved. * * This program is free software; you may redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. * * 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_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_ */ |