xref: /freebsd/sys/dev/pci/pci_iov_private.h (revision a466cc55373fc3cf86837f09da729535b57e69a1)
1 /*-
2  * Copyright (c) 2013-2015 Sandvine Inc.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _PCI_IOV_PRIVATE_H_
30 #define _PCI_IOV_PRIVATE_H_
31 
32 struct pci_iov_bar {
33 	struct resource *res;
34 
35 	pci_addr_t bar_size;
36 	pci_addr_t bar_shift;
37 };
38 
39 struct pcicfg_iov {
40 	device_t iov_pf;
41 	struct cdev *iov_cdev;
42 	nvlist_t *iov_schema;
43 
44 	struct pci_iov_bar iov_bar[PCIR_MAX_BAR_0 + 1];
45 	struct rman rman;
46 	char rman_name[64];
47 
48 	int iov_pos;
49 	int iov_num_vfs;
50 	uint32_t iov_flags;
51 
52 	uint16_t iov_ctl;
53 	uint32_t iov_page_size;
54 };
55 
56 #define	IOV_RMAN_INITED		0x0001
57 #define	IOV_BUSY		0x0002
58 
59 void	pci_iov_cfg_restore(device_t dev, struct pci_devinfo *dinfo);
60 void	pci_iov_cfg_save(device_t dev, struct pci_devinfo *dinfo);
61 
62 #endif
63