2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
37 #include <linux/iommu.h>
38 #include <linux/netdevice.h>
40 #include <rdma/ib_verbs.h>
44 #include "usnic_abi.h"
45 #include "usnic_vnic.h"
47 #define USNIC_IB_PORT_CNT 1
48 #define USNIC_IB_NUM_COMP_VECTORS 1
50 extern unsigned int usnic_ib_share_vf;
52 struct 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;
61 struct usnic_uiom_pd *umem_pd;
66 struct usnic_uiom_reg *umem;
70 struct ib_device ib_dev;
72 struct net_device *netdev;
73 struct usnic_fwd_dev *ufdev;
74 struct list_head ib_dev_link;
75 struct list_head vf_dev_list;
76 struct list_head ctx_list;
77 struct mutex usdev_lock;
79 /* provisioning information */
81 unsigned int vf_res_cnt[USNIC_VNIC_RES_TYPE_MAX];
83 /* sysfs vars for QPN reporting */
84 struct kobject *qpn_kobj;
88 struct usnic_ib_dev *pf;
90 struct usnic_vnic *vnic;
91 unsigned int qp_grp_ref_cnt;
92 struct usnic_ib_pd *pd;
93 struct list_head link;
97 struct usnic_ib_dev *to_usdev(struct ib_device *ibdev)
99 return container_of(ibdev, struct usnic_ib_dev, ib_dev);
103 struct usnic_ib_ucontext *to_ucontext(struct ib_ucontext *ibucontext)
105 return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);
109 struct usnic_ib_pd *to_upd(struct ib_pd *ibpd)
111 return container_of(ibpd, struct usnic_ib_pd, ibpd);
115 struct usnic_ib_ucontext *to_uucontext(struct ib_ucontext *ibucontext)
117 return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);
121 struct usnic_ib_mr *to_umr(struct ib_mr *ibmr)
123 return container_of(ibmr, struct usnic_ib_mr, ibmr);
125 void usnic_ib_log_vf(struct usnic_ib_vf *vf);
127 #define UPDATE_PTR_LEFT(N, P, L) \
133 #endif /* USNIC_IB_H_ */