diff options
Diffstat (limited to 'hw/pci.h')
| -rw-r--r-- | hw/pci.h | 18 |
1 files changed, 17 insertions, 1 deletions
@@ -121,6 +121,10 @@ typedef struct PCIIORegion { #define PCI_MIN_GNT 0x3e /* 8 bits */ #define PCI_MAX_LAT 0x3f /* 8 bits */ +/* Capability lists */ +#define PCI_CAP_LIST_ID 0 /* Capability ID */ +#define PCI_CAP_LIST_NEXT 1 /* Next capability in the list */ + #define PCI_REVISION 0x08 /* obsolete, use PCI_REVISION_ID */ #define PCI_SUBVENDOR_ID 0x2c /* obsolete, use PCI_SUBSYSTEM_VENDOR_ID */ #define PCI_SUBDEVICE_ID 0x2e /* obsolete, use PCI_SUBSYSTEM_ID */ @@ -128,7 +132,7 @@ typedef struct PCIIORegion { /* Bits in the PCI Status Register (PCI 2.3 spec) */ #define PCI_STATUS_RESERVED1 0x007 #define PCI_STATUS_INT_STATUS 0x008 -#define PCI_STATUS_CAPABILITIES 0x010 +#define PCI_STATUS_CAP_LIST 0x010 #define PCI_STATUS_66MHZ 0x020 #define PCI_STATUS_RESERVED2 0x040 #define PCI_STATUS_FAST_BACK 0x080 @@ -158,6 +162,9 @@ struct PCIDevice { /* Used to implement R/W bytes */ uint8_t wmask[PCI_CONFIG_SPACE_SIZE]; + /* Used to allocate config space for capabilities. */ + uint8_t used[PCI_CONFIG_SPACE_SIZE]; + /* the following fields are read only */ PCIBus *bus; int devfn; @@ -186,6 +193,15 @@ void pci_register_bar(PCIDevice *pci_dev, int region_num, uint32_t size, int type, PCIMapIORegionFunc *map_func); +int pci_add_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size); + +void pci_del_capability(PCIDevice *pci_dev, uint8_t cap_id, uint8_t cap_size); + +void pci_reserve_capability(PCIDevice *pci_dev, uint8_t offset, uint8_t size); + +uint8_t pci_find_capability(PCIDevice *pci_dev, uint8_t cap_id); + + uint32_t pci_default_read_config(PCIDevice *d, uint32_t address, int len); void pci_default_write_config(PCIDevice *d, |