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137 lines
3.5 KiB
137 lines
3.5 KiB
/* |
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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_cq { |
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struct ib_cq ibcq; |
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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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