http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/asm-x86_64/pci-direct.h

#ifndef ASM_PCI_DIRECT_H #define ASM_PCI_DIRECT_H 1 #include <linux/types.h> #include <asm/io.h> /* Direct PCI access. This is used for PCI accesses in early boot before the PCI subsystem works. */ #define PDprintk(x...) static inline u32 read_pci_config(u8 bus, u8 slot, u8 func, u8 offset) { u32 v; outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); v = inl(0xcfc); if (v != 0xffffffff) PDprintk("%x reading 4 from %x: %x\n", slot, offset, v); return v; } static inline u8 read_pci_config_byte(u8 bus, u8 slot, u8 func, u8 offset) { u8 v; outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); v = inb(0xcfc + (offset&3)); PDprintk("%x reading 1 from %x: %x\n", slot, offset, v); return v; } static inline u16 read_pci_config_16(u8 bus, u8 slot, u8 func, u8 offset) { u16 v; outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); v = inw(0xcfc + (offset&2)); PDprintk("%x reading 2 from %x: %x\n", slot, offset, v); return v; } static inline void write_pci_config(u8 bus, u8 slot, u8 func, u8 offset, u32 val) { PDprintk("%x writing to %x: %x\n", slot, offset, val); outl(0x80000000 | (bus<<16) | (slot<<11) | (func<<8) | offset, 0xcf8); outl(val, 0xcfc); } #endif