xref: /netbsd-src/sys/dev/virtio/virtio_mmiovar.h (revision 372fc0a715545116d73b85b46424ca7a442b25f3)
1 /* $NetBSD: virtio_mmiovar.h,v 1.7 2024/01/06 06:59:33 thorpej Exp $ */
2 /*
3  * Copyright (c) 2018 Jonathan A. Kollasch
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
17  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
18  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
19  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
20  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 #ifndef _VIRTIO_MMIOVAR_H_
29 #define _VIRTIO_MMIOVAR_H_
30 
31 #include <dev/pci/virtiovar.h> /* XXX: move to non-pci */
32 
33 struct virtio_mmio_softc {
34 	struct virtio_softc	sc_sc;
35 
36 	bus_space_tag_t		sc_iot;
37 	bus_space_handle_t	sc_ioh;
38 	bus_size_t		sc_iosize;
39 	uint32_t		sc_mmio_vers;
40 	bool			sc_le_regs;
41 
42 	void			*sc_ih;
43 
44 	int			(*sc_alloc_interrupts)(struct virtio_mmio_softc *);
45 	void			(*sc_free_interrupts)(struct virtio_mmio_softc *);
46 
47 };
48 
49 bool virtio_mmio_common_probe_present(struct virtio_mmio_softc *);
50 void virtio_mmio_common_attach(struct virtio_mmio_softc *);
51 int virtio_mmio_common_detach(struct virtio_mmio_softc *, int);
52 int virtio_mmio_intr(void *);
53 
54 #endif /* _VIRTIO_MMIOVAR_H_ */
55