Isaku Yamahata | e4c7d2a | 2010-10-19 18:06:32 +0900 | [diff] [blame] | 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 | |
Jan Kiszka | 60ba3cc | 2011-10-15 14:33:17 +0200 | [diff] [blame] | 27 | extern bool msi_supported; |
| 28 | |
Isaku Yamahata | e4c7d2a | 2010-10-19 18:06:32 +0900 | [diff] [blame] | 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 */ |