Revision 817dcc53 hw/pci.c
| b/hw/pci.c | ||
|---|---|---|
| 33 | 33 |
#include "qmp-commands.h" |
| 34 | 34 |
#include "msi.h" |
| 35 | 35 |
#include "msix.h" |
| 36 |
#include "exec-memory.h" |
|
| 36 | 37 |
|
| 37 | 38 |
//#define DEBUG_PCI |
| 38 | 39 |
#ifdef DEBUG_PCI |
| ... | ... | |
| 777 | 778 |
pci_dev->bus = bus; |
| 778 | 779 |
if (bus->dma_context_fn) {
|
| 779 | 780 |
pci_dev->dma = bus->dma_context_fn(bus, bus->dma_context_opaque, devfn); |
| 781 |
} else {
|
|
| 782 |
/* FIXME: Make dma_context_fn use MemoryRegions instead, so this path is |
|
| 783 |
* taken unconditionally */ |
|
| 784 |
/* FIXME: inherit memory region from bus creator */ |
|
| 785 |
address_space_init(&pci_dev->bus_master_as, get_system_memory()); |
|
| 786 |
pci_dev->dma = g_new(DMAContext, 1); |
|
| 787 |
dma_context_init(pci_dev->dma, &pci_dev->bus_master_as, NULL, NULL, NULL); |
|
| 780 | 788 |
} |
| 781 | 789 |
pci_dev->devfn = devfn; |
| 782 | 790 |
pstrcpy(pci_dev->name, sizeof(pci_dev->name), name); |
| ... | ... | |
| 830 | 838 |
qemu_free_irqs(pci_dev->irq); |
| 831 | 839 |
pci_dev->bus->devices[pci_dev->devfn] = NULL; |
| 832 | 840 |
pci_config_free(pci_dev); |
| 841 |
|
|
| 842 |
if (!pci_dev->bus->dma_context_fn) {
|
|
| 843 |
address_space_destroy(&pci_dev->bus_master_as); |
|
| 844 |
g_free(pci_dev->dma); |
|
| 845 |
pci_dev->dma = NULL; |
|
| 846 |
} |
|
| 833 | 847 |
} |
| 834 | 848 |
|
| 835 | 849 |
static void pci_unregister_io_regions(PCIDevice *pci_dev) |
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