53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
|
/*
|
||
|
|
* 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 "hw/pci/pci.h"
|
||
|
|
|
||
|
|
struct MSIMessage {
|
||
|
|
uint64_t address;
|
||
|
|
uint32_t data;
|
||
|
|
};
|
||
|
|
|
||
|
|
extern bool msi_nonbroken;
|
||
|
|
|
||
|
|
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, Error **errp);
|
||
|
|
void msi_uninit(struct PCIDevice *dev);
|
||
|
|
void msi_reset(PCIDevice *dev);
|
||
|
|
bool msi_is_masked(const PCIDevice *dev, unsigned int vector);
|
||
|
|
void msi_notify(PCIDevice *dev, unsigned int vector);
|
||
|
|
void msi_send_message(PCIDevice *dev, MSIMessage msg);
|
||
|
|
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 */
|