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      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