43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
|
/*
|
||
|
|
* IO Hub for remote device
|
||
|
|
*
|
||
|
|
* Copyright © 2018, 2021 Oracle and/or its affiliates.
|
||
|
|
*
|
||
|
|
* This work is licensed under the terms of the GNU GPL, version 2 or later.
|
||
|
|
* See the COPYING file in the top-level directory.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef REMOTE_IOHUB_H
|
||
|
|
#define REMOTE_IOHUB_H
|
||
|
|
|
||
|
|
#include "hw/pci/pci.h"
|
||
|
|
#include "qemu/event_notifier.h"
|
||
|
|
#include "qemu/thread-posix.h"
|
||
|
|
#include "hw/remote/mpqemu-link.h"
|
||
|
|
|
||
|
|
#define REMOTE_IOHUB_NB_PIRQS PCI_DEVFN_MAX
|
||
|
|
|
||
|
|
typedef struct ResampleToken {
|
||
|
|
void *iohub;
|
||
|
|
int pirq;
|
||
|
|
} ResampleToken;
|
||
|
|
|
||
|
|
typedef struct RemoteIOHubState {
|
||
|
|
PCIDevice d;
|
||
|
|
EventNotifier irqfds[REMOTE_IOHUB_NB_PIRQS];
|
||
|
|
EventNotifier resamplefds[REMOTE_IOHUB_NB_PIRQS];
|
||
|
|
unsigned int irq_level[REMOTE_IOHUB_NB_PIRQS];
|
||
|
|
ResampleToken token[REMOTE_IOHUB_NB_PIRQS];
|
||
|
|
QemuMutex irq_level_lock[REMOTE_IOHUB_NB_PIRQS];
|
||
|
|
} RemoteIOHubState;
|
||
|
|
|
||
|
|
int remote_iohub_map_irq(PCIDevice *pci_dev, int intx);
|
||
|
|
void remote_iohub_set_irq(void *opaque, int pirq, int level);
|
||
|
|
void process_set_irqfd_msg(PCIDevice *pci_dev, MPQemuMsg *msg);
|
||
|
|
|
||
|
|
void remote_iohub_init(RemoteIOHubState *iohub);
|
||
|
|
void remote_iohub_finalize(RemoteIOHubState *iohub);
|
||
|
|
|
||
|
|
#endif
|