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