#include "types.h" // u32
-typedef struct PCIDevice {
- u8 bus;
- u8 devfn;
-} PCIDevice;
-
-static inline PCIDevice pci_bd(u8 bus, u8 devfn) {
- struct PCIDevice d = {bus, devfn};
- return d;
-}
-static inline u16 pci_to_bdf(PCIDevice d) {
- return (d.bus << 8) | d.devfn;
-}
static inline u8 pci_bdf_to_bus(u16 bdf) {
return bdf >> 8;
}
+static inline u8 pci_bdf_to_devfn(u16 bdf) {
+ return bdf & 0xff;
+}
+static inline u16 pci_bdf_to_busdev(u16 bdf) {
+ return bdf & ~0x07;
+}
static inline u8 pci_bdf_to_dev(u16 bdf) {
return (bdf >> 3) & 0x1f;
}
static inline u8 pci_bdf_to_fn(u16 bdf) {
return bdf & 0x07;
}
+static inline u16 pci_to_bdf(int bus, int dev, int fn) {
+ return (bus<<8) | (dev<<3) | fn;
+}
-void pci_config_writel(PCIDevice d, u32 addr, u32 val);
-void pci_config_writew(PCIDevice d, u32 addr, u16 val);
-void pci_config_writeb(PCIDevice d, u32 addr, u8 val);
-u32 pci_config_readl(PCIDevice d, u32 addr);
-u16 pci_config_readw(PCIDevice d, u32 addr);
-u8 pci_config_readb(PCIDevice d, u32 addr);
+void pci_config_writel(u16 bdf, u32 addr, u32 val);
+void pci_config_writew(u16 bdf, u32 addr, u16 val);
+void pci_config_writeb(u16 bdf, u32 addr, u8 val);
+u32 pci_config_readl(u16 bdf, u32 addr);
+u16 pci_config_readw(u16 bdf, u32 addr);
+u8 pci_config_readb(u16 bdf, u32 addr);
+void pci_config_maskw(u16 bdf, u32 addr, u16 off, u16 on);
-int pci_find_device(u16 vendid, u16 devid, int index, PCIDevice *dev);
-int pci_find_classprog(u32 classprog, int index, PCIDevice *dev);
-int pci_find_class(u16 classid, int index, PCIDevice *dev);
+int pci_find_vga(void);
+int pci_find_device(u16 vendid, u16 devid);
+int pci_find_class(u16 classid);
+
+int pci_next(int bdf, int *pmax);
+#define foreachpci(BDF, MAX) \
+ for (MAX=0x0100, BDF=pci_next(0, &MAX) \
+ ; BDF >= 0 \
+ ; BDF=pci_next(BDF+1, &MAX))
// pirtable.c
-void create_pirtable();
+void create_pirtable(void);
/****************************************************************
* PIR table
****************************************************************/
+extern u16 PirOffset;
+
struct link_info {
u8 link;
u16 bitmap;