diff options
Diffstat (limited to 'src/include/ipxe/linux')
| -rw-r--r-- | src/include/ipxe/linux/linux_pci.h | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/src/include/ipxe/linux/linux_pci.h b/src/include/ipxe/linux/linux_pci.h index de42f766b..ec6ff8b1c 100644 --- a/src/include/ipxe/linux/linux_pci.h +++ b/src/include/ipxe/linux/linux_pci.h @@ -23,14 +23,18 @@ 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 + * Find next PCI bus:dev.fn address range in system * - * @ret num_bus Number of buses + * @v busdevfn Starting PCI bus:dev.fn address + * @v range PCI bus:dev.fn address range to fill in */ -static inline __always_inline int -PCIAPI_INLINE ( linux, pci_num_bus ) ( void ) { - /* Assume all buses may exist */ - return 0x100; +static inline __always_inline void +PCIAPI_INLINE ( linux, pci_discover ) ( uint32_t busdevfn __unused, + struct pci_range *range ) { + + /* Assume all buses in segment 0 may exist */ + range->start = PCI_BUSDEVFN ( 0, 0, 0, 0 ); + range->count = PCI_BUSDEVFN ( 1, 0, 0, 0 ); } /** |