xref: /freebsd/sys/dev/vmd/vmd.h (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2021 Alexander Motin <mav@FreeBSD.org>
5  * Copyright 2019 Cisco Systems, Inc.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  */
30 
31 #ifndef __VMD_PRIVATE_H__
32 #define	__VMD_PRIVATE_H__
33 
34 #include <dev/pci/pcib_private.h>
35 
36 struct vmd_irq_user {
37 	LIST_ENTRY(vmd_irq_user)	viu_link;
38 	device_t			viu_child;
39 	int				viu_vector;
40 };
41 
42 struct vmd_irq {
43 	struct resource			*vi_res;
44 	int				vi_rid;
45 	int				vi_irq;
46 	void				*vi_handle;
47 	int				vi_nusers;
48 };
49 
50 struct vmd_softc {
51 	struct pcib_softc		psc;
52 
53 #define VMD_MAX_BAR		3
54 	int				vmd_regs_rid[VMD_MAX_BAR];
55 	struct resource			*vmd_regs_res[VMD_MAX_BAR];
56 	bus_space_handle_t		vmd_bhandle;
57 	bus_space_tag_t			vmd_btag;
58 	struct vmd_irq			*vmd_irq;
59 	LIST_HEAD(,vmd_irq_user)	vmd_users;
60 	int				vmd_fist_vector;
61 	int				vmd_msix_count;
62 	uint8_t				vmd_bus_start;
63 	uint8_t				vmd_bus_end;
64 	bus_dma_tag_t			vmd_dma_tag;
65 };
66 
67 #endif
68