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pci: introduce pcibus_t to represent pci bus address/size instead of uint32_t

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This patch is preliminary for 64 bit BAR support.
Introduce dedicated type, pcibus_t, to represent pci bus address/size
instead of uint32_t.
Later this type will be changed to uint64_t.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Isaku Yamahata 2009-10-30 21:21:08 +09:00 • committed by Anthony Liguori
parent a455783bb6
commit 6e355d901b
24 changed files with 43 additions and 40 deletions
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12
hw/pci.h
View file

@ -71,18 +71,20 @@ extern target_phys_addr_t pci_mem_base;
#define PCI_DEVICE_ID_VIRTIO_BALLOON 0x1002
#define PCI_DEVICE_ID_VIRTIO_CONSOLE 0x1003
typedef uint32_t pcibus_t;
typedef void PCIConfigWriteFunc(PCIDevice *pci_dev,
uint32_t address, uint32_t data, int len);
typedef uint32_t PCIConfigReadFunc(PCIDevice *pci_dev,
uint32_t address, int len);
typedef void PCIMapIORegionFunc(PCIDevice *pci_dev, int region_num,
uint32_t addr, uint32_t size, int type);
pcibus_t addr, pcibus_t size, int type);
typedef int PCIUnregisterFunc(PCIDevice *pci_dev);
typedef struct PCIIORegion {
uint32_t addr; /* current PCI mapping address. -1 means not mapped */
#define PCI_BAR_UNMAPPED (~(uint32_t)0)
uint32_t size;
pcibus_t addr; /* current PCI mapping address. -1 means not mapped */
#define PCI_BAR_UNMAPPED (~(pcibus_t)0)
pcibus_t size;
uint8_t type;
PCIMapIORegionFunc *map_func;
} PCIIORegion;
@ -224,7 +226,7 @@ PCIDevice *pci_register_device(PCIBus *bus, const char *name,
PCIConfigWriteFunc *config_write);
void pci_register_bar(PCIDevice *pci_dev, int region_num,
uint32_t size, int type,
pcibus_t size, int type,
PCIMapIORegionFunc *map_func);
int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size);