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[pci] Add pci_find_next() to iterate over existent PCI devices

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Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2013-08-01 16:52:28 +01:00
parent 2b869786c5
commit 6d910559b3
2 changed files with 46 additions and 21 deletions
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2
src/include/ipxe/pci.h
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@@ -351,6 +351,7 @@ struct pci_driver {
#define PCI_FUNC( busdevfn ) ( ( (busdevfn) >> 0 ) & 0x07 )
#define PCI_BUSDEVFN( bus, slot, func ) \
( ( (bus) << 8 ) | ( (slot) << 3 ) | ( (func) << 0 ) )
#define PCI_FIRST_FUNC( busdevfn ) ( (busdevfn) & ~0x07 )
#define PCI_BASE_CLASS( class ) ( (class) >> 16 )
#define PCI_SUB_CLASS( class ) ( ( (class) >> 8 ) & 0xff )
@@ -385,6 +386,7 @@ extern void adjust_pci_device ( struct pci_device *pci );
extern unsigned long pci_bar_start ( struct pci_device *pci,
unsigned int reg );
extern int pci_read_config ( struct pci_device *pci );
extern int pci_find_next ( struct pci_device *pci, unsigned int busdevfn );
extern int pci_find_driver ( struct pci_device *pci );
extern int pci_probe ( struct pci_device *pci );
extern void pci_remove ( struct pci_device *pci );