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) {
18 static inline u16 pci_to_bdf(int bus, int dev, int fn) {
19 return (bus<<8) | (dev<<3) | fn;
22 void pci_config_writel(u16 bdf, u32 addr, u32 val);
23 void pci_config_writew(u16 bdf, u32 addr, u16 val);
24 void pci_config_writeb(u16 bdf, u32 addr, u8 val);
25 u32 pci_config_readl(u16 bdf, u32 addr);
26 u16 pci_config_readw(u16 bdf, u32 addr);
27 u8 pci_config_readb(u16 bdf, u32 addr);
30 int pci_find_device(u16 vendid, u16 devid);
31 int pci_find_class(u16 classid);
32 void pci_set_bus_master(u16 bdf);
34 int pci_next(int bdf, int *pmax);
35 #define foreachpci(BDF, MAX) \
36 for (MAX=0x0100, BDF=pci_next(0, &MAX) \
38 ; BDF=pci_next(BDF+1, &MAX))
41 void create_pirtable();
44 /****************************************************************
46 ****************************************************************/
58 struct link_info links[4];
74 struct pir_slot slots[0];
77 #define PIR_SIGNATURE 0x52495024 // $PIR