gwj / at91sam9263 · Commits

Commit 6eaa68474671a6c69f30b185ce3c87ff18f85e01

Authored by Gleb Natapov
Committed by Anthony Liguori
1 parent efeea6d0

Add pci_bus_reset() function. 

To reset internal irq handling data structures.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Yaniv Kamay <ykamay@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Inline Side-by-side
Showing 1 changed file with 16 additions and 0 deletions
hw/pci.c
  View file @6eaa684
@@ -87,6 +87,21 @@ static int pcibus_load(QEMUFile *f, void *opaque, int version_id) @@ -87,6 +87,21 @@ static int pcibus_load(QEMUFile *f, void *opaque, int version_id)
87 return 0; 87 return 0;
88 } 88 }
89 89
  90 +static void pci_bus_reset(void *opaque)
  91 +{
  92 + PCIBus *bus = (PCIBus *)opaque;
  93 + int i;
  94 +
  95 + for (i = 0; i < bus->nirq; i++) {
  96 + bus->irq_count[i] = 0;
  97 + }
  98 + for (i = 0; i < 256; i++) {
  99 + if (bus->devices[i])
  100 + memset(bus->devices[i]->irq_state, 0,
  101 + sizeof(bus->devices[i]->irq_state));
  102 + }
  103 +}
  104 +
90 PCIBus *pci_register_bus(DeviceState *parent, const char *name, 105 PCIBus *pci_register_bus(DeviceState *parent, const char *name,
91 pci_set_irq_fn set_irq, pci_map_irq_fn map_irq, 106 pci_set_irq_fn set_irq, pci_map_irq_fn map_irq,
92 qemu_irq *pic, int devfn_min, int nirq) 107 qemu_irq *pic, int devfn_min, int nirq)
@@ -105,6 +120,7 @@ PCIBus *pci_register_bus(DeviceState *parent, const char *name, @@ -105,6 +120,7 @@ PCIBus *pci_register_bus(DeviceState *parent, const char *name,
105 bus->next = first_bus; 120 bus->next = first_bus;
106 first_bus = bus; 121 first_bus = bus;
107 register_savevm("PCIBUS", nbus++, 1, pcibus_save, pcibus_load, bus); 122 register_savevm("PCIBUS", nbus++, 1, pcibus_save, pcibus_load, bus);
  123 + qemu_register_reset(pci_bus_reset, 0, bus);
108 return bus; 124 return bus;
109 } 125 }
110 126