1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 2011 NetApp, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY NETAPP, INC ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL NETAPP, INC OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
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_unmap_mmio(struct vm *vm, int bus, int slot, int func,
36		       vm_paddr_t gpa, size_t len);
37int	ppt_setup_msi(struct vm *vm, int bus, int slot, int func,
38		      uint64_t addr, uint64_t msg, int numvec);
39int	ppt_setup_msix(struct vm *vm, int bus, int slot, int func,
40		int idx, uint64_t addr, uint64_t msg, uint32_t vector_control);
41int	ppt_disable_msix(struct vm *vm, int bus, int slot, int func);
42int	ppt_assigned_devices(struct vm *vm);
43bool	ppt_is_mmio(struct vm *vm, vm_paddr_t gpa);
44
45/*
46 * Returns the number of devices sequestered by the ppt driver for assignment
47 * to virtual machines.
48 */
49int	ppt_avail_devices(void);
50
51/*
52 * The following functions should never be called directly.
53 * Use 'vm_assign_pptdev()' and 'vm_unassign_pptdev()' instead.
54 */
55int	ppt_assign_device(struct vm *vm, int bus, int slot, int func);
56int	ppt_unassign_device(struct vm *vm, int bus, int slot, int func);
57#endif
58