diff options
Diffstat (limited to 'src/include/ipxe/linux/linux_pci.h')
| -rw-r--r-- | src/include/ipxe/linux/linux_pci.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/include/ipxe/linux/linux_pci.h b/src/include/ipxe/linux/linux_pci.h index 22ae7f1bc..de42f766b 100644 --- a/src/include/ipxe/linux/linux_pci.h +++ b/src/include/ipxe/linux/linux_pci.h @@ -23,6 +23,17 @@ extern int linux_pci_write ( struct pci_device *pci, unsigned long where, unsigned long value, size_t len ); /** + * Determine number of PCI buses within system + * + * @ret num_bus Number of buses + */ +static inline __always_inline int +PCIAPI_INLINE ( linux, pci_num_bus ) ( void ) { + /* Assume all buses may exist */ + return 0x100; +} + +/** * Read byte from PCI configuration space * * @v pci PCI device @@ -127,4 +138,17 @@ PCIAPI_INLINE ( linux, pci_write_config_dword ) ( struct pci_device *pci, return linux_pci_write ( pci, where, value, sizeof ( value ) ); } +/** + * Map PCI bus address as an I/O address + * + * @v bus_addr PCI bus address + * @v len Length of region + * @ret io_addr I/O address, or NULL on error + */ +static inline __always_inline void * +PCIAPI_INLINE ( linux, pci_ioremap ) ( struct pci_device *pci __unused, + unsigned long bus_addr, size_t len ) { + return ioremap ( bus_addr, len ); +} + #endif /* _IPXE_LINUX_PCI_H */ |