diff options
author | Michael S. Tsirkin <mst@redhat.com> | 2012-12-12 13:32:14 +0200 |
---|---|---|
committer | Michael S. Tsirkin <mst@redhat.com> | 2012-12-17 13:02:17 +0200 |
commit | 315a1350c4a386065a73aad2ded1a11d77bf7771 (patch) | |
tree | aa3fb4aef47d33387386df46eb6cd1c47b35c197 /hw/pci/msi.h | |
parent | ca818cfbfd77e02ffac338866568ac07f6f5fd7d (diff) |
pci: move pci core code to hw/pci
Move files and modify makefiles to pick them at the
new location.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/pci/msi.h')
-rw-r--r-- | hw/pci/msi.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/hw/pci/msi.h b/hw/pci/msi.h new file mode 100644 index 0000000000..150b09a19d --- /dev/null +++ b/hw/pci/msi.h @@ -0,0 +1,50 @@ +/* + * msi.h + * + * Copyright (c) 2010 Isaku Yamahata <yamahata at valinux co jp> + * VA Linux Systems Japan K.K. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + + * You should have received a copy of the GNU General Public License along + * with this program; if not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef QEMU_MSI_H +#define QEMU_MSI_H + +#include "qemu-common.h" +#include "pci.h" + +struct MSIMessage { + uint64_t address; + uint32_t data; +}; + +extern bool msi_supported; + +void msi_set_message(PCIDevice *dev, MSIMessage msg); +MSIMessage msi_get_message(PCIDevice *dev, unsigned int vector); +bool msi_enabled(const PCIDevice *dev); +int msi_init(struct PCIDevice *dev, uint8_t offset, + unsigned int nr_vectors, bool msi64bit, bool msi_per_vector_mask); +void msi_uninit(struct PCIDevice *dev); +void msi_reset(PCIDevice *dev); +void msi_notify(PCIDevice *dev, unsigned int vector); +void msi_write_config(PCIDevice *dev, uint32_t addr, uint32_t val, int len); +unsigned int msi_nr_vectors_allocated(const PCIDevice *dev); + +static inline bool msi_present(const PCIDevice *dev) +{ + return dev->cap_present & QEMU_PCI_CAP_MSI; +} + +#endif /* QEMU_MSI_H */ |