projects / qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| e4c7d2ae IY |
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 | bool msi_enabled(const PCIDevice *dev); | |
| 28 | int msi_init(struct PCIDevice *dev, uint8_t offset, | |
| 29 | unsigned int nr_vectors, bool msi64bit, bool msi_per_vector_mask); | |
| 30 | void msi_uninit(struct PCIDevice *dev); | |
| 31 | void msi_reset(PCIDevice *dev); | |
| 32 | void msi_notify(PCIDevice *dev, unsigned int vector); | |
| 33 | void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len); | |
| 34 | unsigned int msi_nr_vectors_allocated(const PCIDevice *dev); | |
| 35 | ||
| 36 | static inline bool msi_present(const PCIDevice *dev) | |
| 37 | { | |
| 38 | return dev->cap_present & QEMU_PCI_CAP_MSI; | |
| 39 | } | |
| 40 | ||
| 41 | #endif /* QEMU_MSI_H */ |