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/*
* 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;
struct mutex 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_ */
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