xref: /freebsd/sys/dev/pci/pci_iov_private.h (revision 031beb4e239bfce798af17f5fe8dba8bcaf13d99)
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 
27 #ifndef _PCI_IOV_PRIVATE_H_
28 #define _PCI_IOV_PRIVATE_H_
29 
30 struct pci_iov_bar {
31 	struct resource *res;
32 
33 	pci_addr_t bar_size;
34 	pci_addr_t bar_shift;
35 };
36 
37 struct pcicfg_iov {
38 	device_t iov_pf;
39 	struct cdev *iov_cdev;
40 	nvlist_t *iov_schema;
41 
42 	struct pci_iov_bar iov_bar[PCIR_MAX_BAR_0 + 1];
43 	struct rman rman;
44 	char rman_name[64];
45 
46 	int iov_pos;
47 	int iov_num_vfs;
48 	uint32_t iov_flags;
49 
50 	uint16_t iov_ctl;
51 	uint32_t iov_page_size;
52 };
53 
54 #define	IOV_RMAN_INITED		0x0001
55 #define	IOV_BUSY		0x0002
56 
57 void	pci_iov_cfg_restore(device_t dev, struct pci_devinfo *dinfo);
58 void	pci_iov_cfg_save(device_t dev, struct pci_devinfo *dinfo);
59 
60 #endif
61