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 u16 pci_bdf_to_busdev(u16 bdf) {
15 static inline u8 pci_bdf_to_dev(u16 bdf) {
16 return (bdf >> 3) & 0x1f;
18 static inline u8 pci_bdf_to_fn(u16 bdf) {
21 static inline u16 pci_to_bdf(int bus, int dev, int fn) {
22 return (bus<<8) | (dev<<3) | fn;
24 static inline u16 pci_bus_devfn_to_bdf(int bus, u16 devfn) {
25 return (bus << 8) | devfn;
28 static inline u32 pci_vd(u16 vendor, u16 device) {
29 return (device << 16) | vendor;
31 static inline u16 pci_vd_to_ven(u32 vd) {
34 static inline u16 pci_vd_to_dev(u32 vd) {
38 void pci_config_writel(u16 bdf, u32 addr, u32 val);
39 void pci_config_writew(u16 bdf, u32 addr, u16 val);
40 void pci_config_writeb(u16 bdf, u32 addr, u8 val);
41 u32 pci_config_readl(u16 bdf, u32 addr);
42 u16 pci_config_readw(u16 bdf, u32 addr);
43 u8 pci_config_readb(u16 bdf, u32 addr);
44 void pci_config_maskw(u16 bdf, u32 addr, u16 off, u16 on);
46 int pci_find_vga(void);
47 int pci_find_device(u16 vendid, u16 devid);
48 int pci_find_class(u16 classid);
50 int pci_next(int bdf, int *pmax);
51 #define foreachpci(BDF, MAX) \
52 for (MAX=0x0100, BDF=pci_next(0, &MAX) \
54 ; BDF=pci_next(BDF+1, &MAX))
56 #define foreachpci_in_bus(BDF, MAX, BUS) \
57 for (MAX = pci_bus_devfn_to_bdf(BUS, 0) + 0x0100, \
58 BDF = pci_next(pci_bus_devfn_to_bdf(BUS, 0), &MAX) \
59 ; BDF >= 0 && BDF < pci_bus_devfn_to_bdf(BUS, 0) + 0x0100 \
60 ; MAX = pci_bus_devfn_to_bdf(BUS, 0) + 0x0100, \
61 BDF = pci_next(BDF + 1, &MAX))
63 #define PCI_ANY_ID (~0)
64 struct pci_device_id {
69 void (*func)(u16 bdf, void *arg);
72 #define PCI_DEVICE(vendor_id, device_id, init_func) \
74 .vendid = (vendor_id), \
75 .devid = (device_id), \
76 .class = PCI_ANY_ID, \
81 #define PCI_DEVICE_CLASS(vendor_id, device_id, class_code, init_func) \
83 .vendid = (vendor_id), \
84 .devid = (device_id), \
85 .class = (class_code), \
90 #define PCI_DEVICE_END \
95 int pci_init_device(const struct pci_device_id *table, u16 bdf, void *arg);
96 int pci_find_init_device(const struct pci_device_id *ids, void *arg);
99 void create_pirtable(void);
102 /****************************************************************
104 ****************************************************************/
106 extern u16 PirOffset;
116 struct link_info links[4];
128 u32 compatible_devid;
132 struct pir_slot slots[0];
135 #define PIR_SIGNATURE 0x52495024 // $PIR