]> git.proxmox.com Git - qemu.git/blame - hw/msi.h
Merge remote-tracking branch 'kraxel/usb.31' into staging
[qemu.git] / hw / msi.h
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1/*
2 * msi.h
3 *
4 * Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp>
5 * VA Linux Systems Japan K.K.
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, see <http://www.gnu.org/licenses/>.
19 */
20
21#ifndef QEMU_MSI_H
22#define QEMU_MSI_H
23
24#include "qemu-common.h"
25#include "pci.h"
26
27bool msi_enabled(const PCIDevice *dev);
28int msi_init(struct PCIDevice *dev, uint8_t offset,
29 unsigned int nr_vectors, bool msi64bit, bool msi_per_vector_mask);
30void msi_uninit(struct PCIDevice *dev);
31void msi_reset(PCIDevice *dev);
32void msi_notify(PCIDevice *dev, unsigned int vector);
33void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len);
34unsigned int msi_nr_vectors_allocated(const PCIDevice *dev);
35
36static inline bool msi_present(const PCIDevice *dev)
37{
38 return dev->cap_present & QEMU_PCI_CAP_MSI;
39}
40
41#endif /* QEMU_MSI_H */