提交 16a96f28 编写于 作者: A Avi Kivity 提交者: Anthony Liguori

pci: add API to get a BAR's mapped address

Some (hacky) devices that have a back-channel to read this
address back outside the normal configuration mechanisms, such
as VMware svga.
Reviewed-by: NRichard Henderson <rth@twiddle.net>
Signed-off-by: NAvi Kivity <avi@redhat.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
上级 2dd30228
无相关合并请求
......@@ -952,6 +952,11 @@ void pci_register_bar_region(PCIDevice *pci_dev, int region_num,
pci_dev->io_regions[region_num].memory = memory;
}
pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num)
{
return pci_dev->io_regions[region_num].addr;
}
static void pci_bridge_filter(PCIDevice *d, pcibus_t *addr, pcibus_t *size,
uint8_t type)
{
......
......@@ -207,6 +207,7 @@ void pci_register_bar_simple(PCIDevice *pci_dev, int region_num,
pcibus_t size, uint8_t attr, ram_addr_t ram_addr);
void pci_register_bar_region(PCIDevice *pci_dev, int region_num,
uint8_t attr, MemoryRegion *memory);
pcibus_t pci_get_bar_addr(PCIDevice *pci_dev, int region_num);
int pci_add_capability(PCIDevice *pdev, uint8_t cap_id,
uint8_t offset, uint8_t size);
......
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