| /* |
| * 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_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_ */ |