1/*-
2 * Copyright (c) 2011 NetApp, 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 NETAPP, INC ``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 NETAPP, INC 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: stable/11/sys/amd64/vmm/io/ppt.h 351753 2019-09-03 16:23:46Z emaste $
27 */
28
29#ifndef _IO_PPT_H_
30#define	_IO_PPT_H_
31
32int	ppt_unassign_all(struct vm *vm);
33int	ppt_map_mmio(struct vm *vm, int bus, int slot, int func,
34		     vm_paddr_t gpa, size_t len, vm_paddr_t hpa);
35int	ppt_setup_msi(struct vm *vm, int vcpu, int bus, int slot, int func,
36		      uint64_t addr, uint64_t msg, int numvec);
37int	ppt_setup_msix(struct vm *vm, int vcpu, int bus, int slot, int func,
38		int idx, uint64_t addr, uint64_t msg, uint32_t vector_control);
39int	ppt_assigned_devices(struct vm *vm);
40bool	ppt_is_mmio(struct vm *vm, vm_paddr_t gpa);
41
42/*
43 * Returns the number of devices sequestered by the ppt driver for assignment
44 * to virtual machines.
45 */
46int	ppt_avail_devices(void);
47
48/*
49 * The following functions should never be called directly.
50 * Use 'vm_assign_pptdev()' and 'vm_unassign_pptdev()' instead.
51 */
52int	ppt_assign_device(struct vm *vm, int bus, int slot, int func);
53int	ppt_unassign_device(struct vm *vm, int bus, int slot, int func);
54#endif
55