qemu

FORK: QEMU emulator
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proxy.h (1127B)

      1 /*
      2  * Copyright © 2018, 2021 Oracle and/or its affiliates.
      3  *
      4  * This work is licensed under the terms of the GNU GPL, version 2 or later.
      5  * See the COPYING file in the top-level directory.
      6  *
      7  */
      8 
      9 #ifndef PROXY_H
     10 #define PROXY_H
     11 
     12 #include "hw/pci/pci.h"
     13 #include "io/channel.h"
     14 #include "hw/remote/proxy-memory-listener.h"
     15 #include "qemu/event_notifier.h"
     16 
     17 #define TYPE_PCI_PROXY_DEV "x-pci-proxy-dev"
     18 OBJECT_DECLARE_SIMPLE_TYPE(PCIProxyDev, PCI_PROXY_DEV)
     19 
     20 typedef struct ProxyMemoryRegion {
     21     PCIProxyDev *dev;
     22     MemoryRegion mr;
     23     bool memory;
     24     bool present;
     25     uint8_t type;
     26 } ProxyMemoryRegion;
     27 
     28 struct PCIProxyDev {
     29     PCIDevice parent_dev;
     30     char *fd;
     31 
     32     /*
     33      * Mutex used to protect the QIOChannel fd from
     34      * the concurrent access by the VCPUs since proxy
     35      * blocks while awaiting for the replies from the
     36      * process remote.
     37      */
     38     QemuMutex io_mutex;
     39     QIOChannel *ioc;
     40     Error *migration_blocker;
     41     ProxyMemoryListener proxy_listener;
     42     int virq;
     43     EventNotifier intr;
     44     EventNotifier resample;
     45     ProxyMemoryRegion region[PCI_NUM_REGIONS];
     46 };
     47 
     48 #endif /* PROXY_H */