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tcg-s390: Fix merge error in tgen_brcond
[qemu.git] / hw / pci / 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"
c759b24f 25#include "hw/pci/pci.h"
e4c7d2ae 26
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27struct MSIMessage {
28 uint64_t address;
29 uint32_t data;
30};
31
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32extern bool msi_supported;
33
932d4a42 34void msi_set_message(PCIDevice *dev, MSIMessage msg);
39b9bc62 35MSIMessage msi_get_message(PCIDevice *dev, unsigned int vector);
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36bool msi_enabled(const PCIDevice *dev);
37int msi_init(struct PCIDevice *dev, uint8_t offset,
38 unsigned int nr_vectors, bool msi64bit, bool msi_per_vector_mask);
39void msi_uninit(struct PCIDevice *dev);
40void msi_reset(PCIDevice *dev);
41void msi_notify(PCIDevice *dev, unsigned int vector);
42void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len);
43unsigned int msi_nr_vectors_allocated(const PCIDevice *dev);
44
45static inline bool msi_present(const PCIDevice *dev)
46{
47 return dev->cap_present & QEMU_PCI_CAP_MSI;
48}
49
50#endif /* QEMU_MSI_H */