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1/*2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.3 *4 * This software is available to you under a choice of one of two5 * licenses. You may choose to be licensed under the terms of the GNU6 * General Public License (GPL) Version 2, available from the file7 * COPYING in the main directory of this source tree, or the8 * BSD license below:9 *10 * Redistribution and use in source and binary forms, with or11 * without modification, are permitted provided that the following12 * conditions are met:13 *14 * - Redistributions of source code must retain the above15 * copyright notice, this list of conditions and the following16 * disclaimer.17 *18 * - Redistributions in binary form must reproduce the above19 * copyright notice, this list of conditions and the following20 * disclaimer in the documentation and/or other materials21 * provided with the distribution.22 *23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE30 * SOFTWARE.31 *32 */33 34#ifndef USNIC_IB_H_35#define USNIC_IB_H_36 37#include <linux/iommu.h>38#include <linux/netdevice.h>39 40#include <rdma/ib_verbs.h>41 42 43#include "usnic.h"44#include "usnic_abi.h"45#include "usnic_vnic.h"46 47#define USNIC_IB_PORT_CNT 148#define USNIC_IB_NUM_COMP_VECTORS 149 50extern unsigned int usnic_ib_share_vf;51 52struct usnic_ib_ucontext {53 struct ib_ucontext ibucontext;54 /* Protected by usnic_ib_dev->usdev_lock */55 struct list_head qp_grp_list;56 struct list_head link;57};58 59struct usnic_ib_pd {60 struct ib_pd ibpd;61 struct usnic_uiom_pd *umem_pd;62};63 64struct usnic_ib_cq {65 struct ib_cq ibcq;66};67 68struct usnic_ib_mr {69 struct ib_mr ibmr;70 struct usnic_uiom_reg *umem;71};72 73struct usnic_ib_dev {74 struct ib_device ib_dev;75 struct pci_dev *pdev;76 struct net_device *netdev;77 struct usnic_fwd_dev *ufdev;78 struct list_head ib_dev_link;79 struct list_head vf_dev_list;80 struct list_head ctx_list;81 struct mutex usdev_lock;82 83 /* provisioning information */84 struct kref vf_cnt;85 unsigned int vf_res_cnt[USNIC_VNIC_RES_TYPE_MAX];86 87 /* sysfs vars for QPN reporting */88 struct kobject *qpn_kobj;89};90 91struct usnic_ib_vf {92 struct usnic_ib_dev *pf;93 struct mutex lock;94 struct usnic_vnic *vnic;95 unsigned int qp_grp_ref_cnt;96 struct usnic_ib_pd *pd;97 struct list_head link;98};99 100static inline101struct usnic_ib_dev *to_usdev(struct ib_device *ibdev)102{103 return container_of(ibdev, struct usnic_ib_dev, ib_dev);104}105 106static inline107struct usnic_ib_ucontext *to_ucontext(struct ib_ucontext *ibucontext)108{109 return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);110}111 112static inline113struct usnic_ib_pd *to_upd(struct ib_pd *ibpd)114{115 return container_of(ibpd, struct usnic_ib_pd, ibpd);116}117 118static inline119struct usnic_ib_ucontext *to_uucontext(struct ib_ucontext *ibucontext)120{121 return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);122}123 124static inline125struct usnic_ib_mr *to_umr(struct ib_mr *ibmr)126{127 return container_of(ibmr, struct usnic_ib_mr, ibmr);128}129void usnic_ib_log_vf(struct usnic_ib_vf *vf);130 131#define UPDATE_PTR_LEFT(N, P, L) \132do { \133 L -= (N); \134 P += (N); \135} while (0)136 137#endif /* USNIC_IB_H_ */138