4 #include "types.h" // u32
6 static inline u8 pci_bdf_to_bus(u16 bdf) {
9 static inline u8 pci_bdf_to_devfn(u16 bdf) {
12 static inline u8 pci_bdf_to_dev(u16 bdf) {
13 return (bdf >> 3) & 0x1f;
15 static inline u8 pci_bdf_to_fn(u16 bdf) {
19 void pci_config_writel(u16 bdf, u32 addr, u32 val);
20 void pci_config_writew(u16 bdf, u32 addr, u16 val);
21 void pci_config_writeb(u16 bdf, u32 addr, u8 val);
22 u32 pci_config_readl(u16 bdf, u32 addr);
23 u16 pci_config_readw(u16 bdf, u32 addr);
24 u8 pci_config_readb(u16 bdf, u32 addr);
26 int pci_find_device(u16 vendid, u16 devid, int start_bdf);
27 int pci_find_classprog(u32 classprog, int start_bdf);
28 int pci_find_class(u16 classid, int start_bdf);
30 int pci_next(int bdf, int *pmax);
31 #define foreachpci(BDF, MAX, START) \
32 for (MAX=0x0100, BDF=pci_next((START), &MAX) \
34 ; BDF=pci_next(BDF+1, &MAX))
37 void create_pirtable();
40 /****************************************************************
42 ****************************************************************/
52 struct link_info links[4];
68 struct pir_slot slots[0];
71 #define PIR_SIGNATURE 0x52495024 // $PIR