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_vnic.h (4244B)

      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_VNIC_H_
     35#define USNIC_VNIC_H_
     36
     37#include <linux/pci.h>
     38
     39#include "vnic_dev.h"
     40
     41/*                      =USNIC_VNIC_RES_TYPE= =VNIC_RES=   =DESC= */
     42#define USNIC_VNIC_RES_TYPES \
     43	DEFINE_USNIC_VNIC_RES_AT(EOL, RES_TYPE_EOL, "EOL", 0) \
     44	DEFINE_USNIC_VNIC_RES(WQ, RES_TYPE_WQ, "WQ") \
     45	DEFINE_USNIC_VNIC_RES(RQ, RES_TYPE_RQ, "RQ") \
     46	DEFINE_USNIC_VNIC_RES(CQ, RES_TYPE_CQ, "CQ") \
     47	DEFINE_USNIC_VNIC_RES(INTR, RES_TYPE_INTR_CTRL, "INT") \
     48	DEFINE_USNIC_VNIC_RES(MAX, RES_TYPE_MAX, "MAX")\
     49
     50#define DEFINE_USNIC_VNIC_RES_AT(usnic_vnic_res_t, vnic_res_type, desc, val) \
     51	USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t = val,
     52#define DEFINE_USNIC_VNIC_RES(usnic_vnic_res_t, vnic_res_type, desc) \
     53	USNIC_VNIC_RES_TYPE_##usnic_vnic_res_t,
     54enum usnic_vnic_res_type {
     55	USNIC_VNIC_RES_TYPES
     56};
     57#undef DEFINE_USNIC_VNIC_RES
     58#undef DEFINE_USNIC_VNIC_RES_AT
     59
     60struct usnic_vnic_res {
     61	enum usnic_vnic_res_type	type;
     62	unsigned int			vnic_idx;
     63	struct usnic_vnic		*vnic;
     64	void __iomem			*ctrl;
     65	void				*owner;
     66};
     67
     68struct usnic_vnic_res_chunk {
     69	enum usnic_vnic_res_type	type;
     70	int				cnt;
     71	int				free_cnt;
     72	struct usnic_vnic_res		**res;
     73	struct usnic_vnic		*vnic;
     74};
     75
     76struct usnic_vnic_res_desc {
     77	enum usnic_vnic_res_type	type;
     78	uint16_t			cnt;
     79};
     80
     81struct usnic_vnic_res_spec {
     82	struct usnic_vnic_res_desc resources[USNIC_VNIC_RES_TYPE_MAX];
     83};
     84
     85const char *usnic_vnic_res_type_to_str(enum usnic_vnic_res_type res_type);
     86const char *usnic_vnic_pci_name(struct usnic_vnic *vnic);
     87int usnic_vnic_dump(struct usnic_vnic *vnic, char *buf, int buf_sz,
     88			void *hdr_obj,
     89			int (*printtitle)(void *, char*, int),
     90			int (*printcols)(char *, int),
     91			int (*printrow)(void *, char *, int));
     92void usnic_vnic_res_spec_update(struct usnic_vnic_res_spec *spec,
     93				enum usnic_vnic_res_type trgt_type,
     94				u16 cnt);
     95int usnic_vnic_res_spec_satisfied(const struct usnic_vnic_res_spec *min_spec,
     96					struct usnic_vnic_res_spec *res_spec);
     97int usnic_vnic_spec_dump(char *buf, int buf_sz,
     98				struct usnic_vnic_res_spec *res_spec);
     99int usnic_vnic_check_room(struct usnic_vnic *vnic,
    100				struct usnic_vnic_res_spec *res_spec);
    101int usnic_vnic_res_cnt(struct usnic_vnic *vnic,
    102				enum usnic_vnic_res_type type);
    103int usnic_vnic_res_free_cnt(struct usnic_vnic *vnic,
    104				enum usnic_vnic_res_type type);
    105struct usnic_vnic_res_chunk *
    106usnic_vnic_get_resources(struct usnic_vnic *vnic,
    107				enum usnic_vnic_res_type type,
    108				int cnt,
    109				void *owner);
    110void usnic_vnic_put_resources(struct usnic_vnic_res_chunk *chunk);
    111struct pci_dev *usnic_vnic_get_pdev(struct usnic_vnic *vnic);
    112struct vnic_dev_bar *usnic_vnic_get_bar(struct usnic_vnic *vnic,
    113				int bar_num);
    114struct usnic_vnic *usnic_vnic_alloc(struct pci_dev *pdev);
    115void usnic_vnic_free(struct usnic_vnic *vnic);
    116u16 usnic_vnic_get_index(struct usnic_vnic *vnic);
    117
    118#endif /*!USNIC_VNIC_H_*/