diff options
Diffstat (limited to 'src/include/ipxe/pci_io.h')
| -rw-r--r-- | src/include/ipxe/pci_io.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/include/ipxe/pci_io.h b/src/include/ipxe/pci_io.h index 35d16f95e..4c035b18b 100644 --- a/src/include/ipxe/pci_io.h +++ b/src/include/ipxe/pci_io.h @@ -15,6 +15,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL ); #include <config/ioapi.h> struct pci_device; +struct pci_api; /** A PCI bus:dev.fn address range */ struct pci_range { @@ -149,4 +150,36 @@ int pci_write_config_dword ( struct pci_device *pci, unsigned int where, void * pci_ioremap ( struct pci_device *pci, unsigned long bus_addr, size_t len ); +/** A runtime selectable PCI I/O API */ +struct pci_api { + const char *name; + typeof ( pci_discover ) ( * pci_discover ); + typeof ( pci_read_config_byte ) ( * pci_read_config_byte ); + typeof ( pci_read_config_word ) ( * pci_read_config_word ); + typeof ( pci_read_config_dword ) ( * pci_read_config_dword ); + typeof ( pci_write_config_byte ) ( * pci_write_config_byte ); + typeof ( pci_write_config_word ) ( * pci_write_config_word ); + typeof ( pci_write_config_dword ) ( * pci_write_config_dword ); + typeof ( pci_ioremap ) ( * pci_ioremap ); +}; + +/** Provide a runtime selectable PCI I/O API */ +#define PCIAPI_RUNTIME( _subsys ) { \ + .name = #_subsys, \ + .pci_discover = PCIAPI_INLINE ( _subsys, pci_discover ), \ + .pci_read_config_byte = \ + PCIAPI_INLINE ( _subsys, pci_read_config_byte ), \ + .pci_read_config_word = \ + PCIAPI_INLINE ( _subsys, pci_read_config_word ), \ + .pci_read_config_dword = \ + PCIAPI_INLINE ( _subsys, pci_read_config_dword ), \ + .pci_write_config_byte = \ + PCIAPI_INLINE ( _subsys, pci_write_config_byte ), \ + .pci_write_config_word = \ + PCIAPI_INLINE ( _subsys, pci_write_config_word ), \ + .pci_write_config_dword = \ + PCIAPI_INLINE ( _subsys, pci_write_config_dword ), \ + .pci_ioremap = PCIAPI_INLINE ( _subsys, pci_ioremap ), \ + } + #endif /* _IPXE_PCI_IO_H */ |