cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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usnic_ib_qp_grp.h (3386B)

      1/*
      2 * Copyright (c) 2013, Cisco Systems, Inc. All rights reserved.
      3 *
      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
      8 * BSD license below:
      9 *
     10 *     Redistribution and use in source and binary forms, with or
     11 *     without modification, are permitted provided that the following
     12 *     conditions are met:
     13 *
     14 *      - Redistributions of source code must retain the above
     15 *        copyright notice, this list of conditions and the following
     16 *        disclaimer.
     17 *
     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.
     22 *
     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
     28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
     29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
     30 * SOFTWARE.
     31 *
     32 */
     33
     34#ifndef USNIC_IB_QP_GRP_H_
     35#define USNIC_IB_QP_GRP_H_
     36
     37#include <linux/debugfs.h>
     38#include <rdma/ib_verbs.h>
     39
     40#include "usnic_ib.h"
     41#include "usnic_abi.h"
     42#include "usnic_fwd.h"
     43#include "usnic_vnic.h"
     44
     45/*
     46 * The qp group struct represents all the hw resources needed to present a ib_qp
     47 */
     48struct usnic_ib_qp_grp {
     49	struct ib_qp				ibqp;
     50	enum ib_qp_state			state;
     51	int					grp_id;
     52
     53	struct usnic_fwd_dev			*ufdev;
     54	struct usnic_ib_ucontext		*ctx;
     55	struct list_head			flows_lst;
     56
     57	struct usnic_vnic_res_chunk		**res_chunk_list;
     58
     59	pid_t					owner_pid;
     60	struct usnic_ib_vf			*vf;
     61	struct list_head			link;
     62
     63	spinlock_t				lock;
     64
     65	struct kobject				kobj;
     66};
     67
     68struct usnic_ib_qp_grp_flow {
     69	struct usnic_fwd_flow		*flow;
     70	enum usnic_transport_type	trans_type;
     71	union {
     72		struct {
     73			uint16_t	port_num;
     74		} usnic_roce;
     75		struct {
     76			struct socket	*sock;
     77		} udp;
     78	};
     79	struct usnic_ib_qp_grp		*qp_grp;
     80	struct list_head		link;
     81
     82	/* Debug FS */
     83	struct dentry			*dbgfs_dentry;
     84	char				dentry_name[32];
     85};
     86
     87extern const struct usnic_vnic_res_spec min_transport_spec[USNIC_TRANSPORT_MAX];
     88
     89const char *usnic_ib_qp_grp_state_to_string(enum ib_qp_state state);
     90int usnic_ib_qp_grp_dump_hdr(char *buf, int buf_sz);
     91int usnic_ib_qp_grp_dump_rows(void *obj, char *buf, int buf_sz);
     92int usnic_ib_qp_grp_create(struct usnic_ib_qp_grp *qp,
     93			   struct usnic_fwd_dev *ufdev, struct usnic_ib_vf *vf,
     94			   struct usnic_ib_pd *pd,
     95			   struct usnic_vnic_res_spec *res_spec,
     96			   struct usnic_transport_spec *trans_spec);
     97void usnic_ib_qp_grp_destroy(struct usnic_ib_qp_grp *qp_grp);
     98int usnic_ib_qp_grp_modify(struct usnic_ib_qp_grp *qp_grp,
     99				enum ib_qp_state new_state,
    100				void *data);
    101struct usnic_vnic_res_chunk
    102*usnic_ib_qp_grp_get_chunk(struct usnic_ib_qp_grp *qp_grp,
    103				enum usnic_vnic_res_type type);
    104static inline
    105struct usnic_ib_qp_grp *to_uqp_grp(struct ib_qp *ibqp)
    106{
    107	return container_of(ibqp, struct usnic_ib_qp_grp, ibqp);
    108}
    109#endif /* USNIC_IB_QP_GRP_H_ */