linux 2.6.16.38 w/ vs2.0.3-rc1

[linux-2.6.git] / include / asm-x86_64 / io.h

diff --git a/include/asm-x86_64/io.h b/include/asm-x86_64/io.h
index c473424..9dac18d 100644 (file)
--- a/include/asm-x86_64/io.h
+++ b/include/asm-x86_64/io.h
@@ -36,11 +36,7 @@
   *  - Arnaldo Carvalho de Melo <acme@conectiva.com.br>
   */
 
-#ifdef SLOW_IO_BY_JUMPING
-#define __SLOW_DOWN_IO "\njmp 1f\n1:\tjmp 1f\n1:"
-#else
 #define __SLOW_DOWN_IO "\noutb %%al,$0x80"
-#endif
 
 #ifdef REALLY_SLOW_IO
 #define __FULL_SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO __SLOW_DOWN_IO
@@ -52,7 +48,7 @@
  * Talk about misusing macros..
  */
 #define __OUT1(s,x) \
-extern inline void out##s(unsigned x value, unsigned short port) {
+static inline void out##s(unsigned x value, unsigned short port) {
 
 #define __OUT2(s,s1,s2) \
 __asm__ __volatile__ ("out" #s " %" s1 "0,%" s2 "1"
@@ -62,7 +58,7 @@ __OUT1(s,x) __OUT2(s,s1,"w") : : "a" (value), "Nd" (port)); } \
 __OUT1(s##_p,x) __OUT2(s,s1,"w") __FULL_SLOW_DOWN_IO : : "a" (value), "Nd" (port));} \
 
 #define __IN1(s) \
-extern inline RETURN_TYPE in##s(unsigned short port) { RETURN_TYPE _v;
+static inline RETURN_TYPE in##s(unsigned short port) { RETURN_TYPE _v;
 
 #define __IN2(s,s1,s2) \
 __asm__ __volatile__ ("in" #s " %" s2 "1,%" s1 "0"
@@ -72,12 +68,12 @@ __IN1(s) __IN2(s,s1,"w") : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \
 __IN1(s##_p) __IN2(s,s1,"w") __FULL_SLOW_DOWN_IO : "=a" (_v) : "Nd" (port) ,##i ); return _v; } \
 
 #define __INS(s) \
-extern inline void ins##s(unsigned short port, void * addr, unsigned long count) \
+static inline void ins##s(unsigned short port, void * addr, unsigned long count) \
 { __asm__ __volatile__ ("rep ; ins" #s \
 : "=D" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); }
 
 #define __OUTS(s) \
-extern inline void outs##s(unsigned short port, const void * addr, unsigned long count) \
+static inline void outs##s(unsigned short port, const void * addr, unsigned long count) \
 { __asm__ __volatile__ ("rep ; outs" #s \
 : "=S" (addr), "=c" (count) : "d" (port),"0" (addr),"1" (count)); }
 
@@ -114,12 +110,12 @@ __OUTS(l)
  * Change virtual addresses to physical addresses and vv.
  * These are pretty trivial
  */
-extern inline unsigned long virt_to_phys(volatile void * address)
+static inline unsigned long virt_to_phys(volatile void * address)
 {
        return __pa(address);
 }
 
-extern inline void * phys_to_virt(unsigned long address)
+static inline void * phys_to_virt(unsigned long address)
 {
        return __va(address);
 }
@@ -128,18 +124,13 @@ extern inline void * phys_to_virt(unsigned long address)
 /*
  * Change "struct page" to physical address.
  */
-#ifdef CONFIG_DISCONTIGMEM
-#include <asm/mmzone.h>
 #define page_to_phys(page)    ((dma_addr_t)page_to_pfn(page) << PAGE_SHIFT)
-#else
-#define page_to_phys(page)     ((page - mem_map) << PAGE_SHIFT)
-#endif
 
 #include <asm-generic/iomap.h>
 
 extern void __iomem *__ioremap(unsigned long offset, unsigned long size, unsigned long flags);
 
-extern inline void __iomem * ioremap (unsigned long offset, unsigned long size)
+static inline void __iomem * ioremap (unsigned long offset, unsigned long size)
 {
        return __ioremap(offset, size, 0);
 }
@@ -152,6 +143,11 @@ extern inline void __iomem * ioremap (unsigned long offset, unsigned long size)
 extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
 extern void iounmap(volatile void __iomem *addr);
 
+/* Use normal IO mappings for DMI */
+#define dmi_ioremap ioremap
+#define dmi_iounmap(x,l) iounmap(x)
+#define dmi_alloc(l) kmalloc(l, GFP_ATOMIC)
+
 /*
  * ISA I/O bus memory addresses are 1:1 with the physical address.
  */
@@ -175,19 +171,19 @@ extern void iounmap(volatile void __iomem *addr);
  * memory location directly.
  */
 
-static inline __u8 __readb(volatile void __iomem *addr)
+static inline __u8 __readb(const volatile void __iomem *addr)
 {
        return *(__force volatile __u8 *)addr;
 }
-static inline __u16 __readw(volatile void __iomem *addr)
+static inline __u16 __readw(const volatile void __iomem *addr)
 {
        return *(__force volatile __u16 *)addr;
 }
-static inline __u32 __readl(volatile void __iomem *addr)
+static inline __u32 __readl(const volatile void __iomem *addr)
 {
        return *(__force volatile __u32 *)addr;
 }
-static inline __u64 __readq(volatile void __iomem *addr)
+static inline __u64 __readq(const volatile void __iomem *addr)
 {
        return *(__force volatile __u64 *)addr;
 }
@@ -249,22 +245,20 @@ static inline void __writew(__u16 b, volatile void __iomem *addr)
 #define __raw_writel writel
 #define __raw_writeq writeq
 
-void *__memcpy_fromio(void*,unsigned long,unsigned);
-void *__memcpy_toio(unsigned long,const void*,unsigned);
+void __memcpy_fromio(void*,unsigned long,unsigned);
+void __memcpy_toio(unsigned long,const void*,unsigned);
 
-static inline void *memcpy_fromio(void *to, volatile void __iomem *from, unsigned len)
-{
-       return __memcpy_fromio(to,(unsigned long)from,len);
-}
-static inline void *memcpy_toio(volatile void __iomem *to, const void *from, unsigned len)
+static inline void memcpy_fromio(void *to, const volatile void __iomem *from, unsigned len)
 {
-       return __memcpy_toio((unsigned long)to,from,len);
+       __memcpy_fromio(to,(unsigned long)from,len);
 }
-static inline void *memset_io(volatile void __iomem *a, int b, size_t c)
+static inline void memcpy_toio(volatile void __iomem *to, const void *from, unsigned len)
 {
-       return memset((__force void *)a,b,c);
+       __memcpy_toio((unsigned long)to,from,len);
 }
 
+void memset_io(volatile void __iomem *a, int b, size_t c);
+
 /*
  * ISA space is 'always mapped' on a typical x86 system, no need to
  * explicitly ioremap() it. The fact that the ISA IO space is mapped
@@ -331,6 +325,17 @@ out:
 extern int iommu_bio_merge;
 #define BIO_VMERGE_BOUNDARY iommu_bio_merge
 
+/*
+ * Convert a physical pointer to a virtual kernel pointer for /dev/mem
+ * access
+ */
+#define xlate_dev_mem_ptr(p)   __va(p)
+
+/*
+ * Convert a virtual cached pointer to an uncached pointer
+ */
+#define xlate_dev_kmem_ptr(p)  p
+
 #endif /* __KERNEL__ */
 
 #endif