Add access control support to qemu bridge helper
[qemu.git] / hw / msi.h
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
27 extern bool msi_supported;
28
29 bool msi_enabled(const PCIDevice *dev);
30 int msi_init(struct PCIDevice *dev, uint8_t offset,
31 unsigned int nr_vectors, bool msi64bit, bool msi_per_vector_mask);
32 void msi_uninit(struct PCIDevice *dev);
33 void msi_reset(PCIDevice *dev);
34 void msi_notify(PCIDevice *dev, unsigned int vector);
35 void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len);
36 unsigned int msi_nr_vectors_allocated(const PCIDevice *dev);
37
38 static inline bool msi_present(const PCIDevice *dev)
39 {
40 return dev->cap_present & QEMU_PCI_CAP_MSI;
41 }
42
43 #endif /* QEMU_MSI_H */