134 lines
3.4 KiB
C
134 lines
3.4 KiB
C
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/*
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* Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
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*
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* This software is available to you under a choice of one of two
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* licenses. You may choose to be licensed under the terms of the GNU
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* General Public License (GPL) Version 2, available from the file
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* COPYING in the main directory of this source tree, or the
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* BSD license below:
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*
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* Redistribution and use in source and binary forms, with or
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* without modification, are permitted provided that the following
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* conditions are met:
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*
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* - Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the following
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* disclaimer.
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*
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* - Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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#ifndef USNIC_IB_H_
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#define USNIC_IB_H_
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#include <linux/iommu.h>
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#include <linux/netdevice.h>
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#include <rdma/ib_verbs.h>
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#include "usnic.h"
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#include "usnic_abi.h"
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#include "usnic_vnic.h"
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#define USNIC_IB_PORT_CNT 1
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#define USNIC_IB_NUM_COMP_VECTORS 1
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extern unsigned int usnic_ib_share_vf;
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struct usnic_ib_ucontext {
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struct ib_ucontext ibucontext;
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/* Protected by usnic_ib_dev->usdev_lock */
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struct list_head qp_grp_list;
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struct list_head link;
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};
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struct usnic_ib_pd {
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struct ib_pd ibpd;
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struct usnic_uiom_pd *umem_pd;
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};
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struct usnic_ib_mr {
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struct ib_mr ibmr;
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struct usnic_uiom_reg *umem;
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};
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struct usnic_ib_dev {
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struct ib_device ib_dev;
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struct pci_dev *pdev;
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struct net_device *netdev;
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struct usnic_fwd_dev *ufdev;
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struct list_head ib_dev_link;
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struct list_head vf_dev_list;
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struct list_head ctx_list;
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struct mutex usdev_lock;
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/* provisioning information */
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struct kref vf_cnt;
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unsigned int vf_res_cnt[USNIC_VNIC_RES_TYPE_MAX];
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/* sysfs vars for QPN reporting */
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struct kobject *qpn_kobj;
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};
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struct usnic_ib_vf {
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struct usnic_ib_dev *pf;
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spinlock_t lock;
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struct usnic_vnic *vnic;
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unsigned int qp_grp_ref_cnt;
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struct usnic_ib_pd *pd;
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struct list_head link;
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};
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static inline
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struct usnic_ib_dev *to_usdev(struct ib_device *ibdev)
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{
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return container_of(ibdev, struct usnic_ib_dev, ib_dev);
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}
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static inline
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struct usnic_ib_ucontext *to_ucontext(struct ib_ucontext *ibucontext)
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{
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return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);
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}
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static inline
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struct usnic_ib_pd *to_upd(struct ib_pd *ibpd)
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{
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return container_of(ibpd, struct usnic_ib_pd, ibpd);
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}
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static inline
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struct usnic_ib_ucontext *to_uucontext(struct ib_ucontext *ibucontext)
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{
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return container_of(ibucontext, struct usnic_ib_ucontext, ibucontext);
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}
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static inline
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struct usnic_ib_mr *to_umr(struct ib_mr *ibmr)
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{
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return container_of(ibmr, struct usnic_ib_mr, ibmr);
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}
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void usnic_ib_log_vf(struct usnic_ib_vf *vf);
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#define UPDATE_PTR_LEFT(N, P, L) \
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do { \
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L -= (N); \
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P += (N); \
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} while (0)
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#endif /* USNIC_IB_H_ */
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