[PATCH 3 of 3] Add __raw_memcpy_toio32 to each arch

From: Bryan O'Sullivan
Date: Wed Jan 11 2006 - 17:40:57 EST

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Most arches use the generic routine. x86_64 uses memcpy32 instead;
this is substantially faster, even over a bus that is much slower than
the CPU.

Signed-off-by: Bryan O'Sullivan <bos@xxxxxxxxxxxxx>

diff -r 1052904816d7 -r ee6ce7e55dc7 arch/x86_64/lib/io.c
--- a/arch/x86_64/lib/io.c Wed Jan 11 14:35:45 2006 -0800
+++ b/arch/x86_64/lib/io.c Wed Jan 11 14:35:45 2006 -0800
@@ -21,3 +21,9 @@
memset((void *)a,b,c);
}
EXPORT_SYMBOL(memset_io);
+
+/* override generic definition in lib/raw_memcpy_io.c */
+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count)
+{
+ memcpy32((void __force *) to, from, count);
+}
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-alpha/io.h
--- a/include/asm-alpha/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-alpha/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -504,6 +504,8 @@
extern void memcpy_toio(volatile void __iomem *, const void *, long);
extern void _memset_c_io(volatile void __iomem *, unsigned long, long);

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
static inline void memset_io(volatile void __iomem *addr, u8 c, long len)
{
_memset_c_io(addr, 0x0101010101010101UL * c, len);
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-arm/io.h
--- a/include/asm-arm/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-arm/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -189,6 +189,8 @@
#define memset_io(c,v,l) _memset_io(__mem_pci(c),(v),(l))
#define memcpy_fromio(a,c,l) _memcpy_fromio((a),__mem_pci(c),(l))
#define memcpy_toio(c,a,l) _memcpy_toio(__mem_pci(c),(a),(l))
+
+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);

#define eth_io_copy_and_sum(s,c,l,b) \
eth_copy_and_sum((s),__mem_pci(c),(l),(b))
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-cris/io.h
--- a/include/asm-cris/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-cris/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -121,6 +121,8 @@
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
/*
* Again, CRIS does not require mem IO specific function.
*/
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-frv/io.h
--- a/include/asm-frv/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-frv/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -127,6 +127,8 @@
memcpy((void __force *) dst, src, count);
}

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
static inline uint8_t inb(unsigned long addr)
{
return __builtin_read8((void *)addr);
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-h8300/io.h
--- a/include/asm-h8300/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-h8300/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -209,6 +209,8 @@
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
#define mmiowb()

#define inb(addr) ((h8300_buswidth(addr))?readw((addr) & ~1) & 0xff:readb(addr))
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-i386/io.h
--- a/include/asm-i386/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-i386/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -203,6 +203,8 @@
{
__memcpy((void __force *) dst, src, count);
}
+
+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);

/*
* ISA space is 'always mapped' on a typical x86 system, no need to
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-ia64/io.h
--- a/include/asm-ia64/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-ia64/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -444,6 +444,8 @@
extern void memcpy_toio(volatile void __iomem *dst, const void *src, long n);
extern void memset_io(volatile void __iomem *s, int c, long n);

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
#define dma_cache_inv(_start,_size) do { } while (0)
#define dma_cache_wback(_start,_size) do { } while (0)
#define dma_cache_wback_inv(_start,_size) do { } while (0)
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-m32r/io.h
--- a/include/asm-m32r/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-m32r/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -216,6 +216,8 @@
memcpy((void __force *) dst, src, count);
}

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-m68knommu/io.h
--- a/include/asm-m68knommu/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-m68knommu/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -113,6 +113,8 @@
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
#define inb(addr) readb(addr)
#define inw(addr) readw(addr)
#define inl(addr) readl(addr)
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-mips/io.h
--- a/include/asm-mips/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-mips/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -534,6 +534,8 @@
memcpy((void __force *) dst, src, count);
}

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
/*
* Memory Mapped I/O
*/
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-parisc/io.h
--- a/include/asm-parisc/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-parisc/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -294,6 +294,8 @@
void memcpy_fromio(void *dst, const volatile void __iomem *src, int count);
void memcpy_toio(volatile void __iomem *dst, const void *src, int count);

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
/* Support old drivers which don't ioremap.
* NB this interface is scheduled to disappear in 2.5
*/
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-powerpc/io.h
--- a/include/asm-powerpc/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-powerpc/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -64,6 +64,8 @@
#define memcpy_fromio(a,b,c) iSeries_memcpy_fromio((a), (b), (c))
#define memcpy_toio(a,b,c) iSeries_memcpy_toio((a), (b), (c))

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
#define inb(addr) readb(((void __iomem *)(long)(addr)))
#define inw(addr) readw(((void __iomem *)(long)(addr)))
#define inl(addr) readl(((void __iomem *)(long)(addr)))
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-ppc/io.h
--- a/include/asm-ppc/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-ppc/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -369,6 +369,8 @@
}
#endif

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
#define eth_io_copy_and_sum(a,b,c,d) eth_copy_and_sum((a),(void __force *)(void __iomem *)(b),(c),(d))

/*
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-s390/io.h
--- a/include/asm-s390/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-s390/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -99,6 +99,8 @@
#define memcpy_fromio(a,b,c) memcpy((a),__io_virt(b),(c))
#define memcpy_toio(a,b,c) memcpy(__io_virt(a),(b),(c))

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
#define inb_p(addr) readb(addr)
#define inb(addr) readb(addr)

diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-sh/io.h
--- a/include/asm-sh/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-sh/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -177,6 +177,8 @@
extern void memcpy_toio(unsigned long, const void *, unsigned long);
extern void memset_io(unsigned long, int, unsigned long);

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
/* SuperH on-chip I/O functions */
static __inline__ unsigned char ctrl_inb(unsigned long addr)
{
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-sh64/io.h
--- a/include/asm-sh64/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-sh64/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -125,6 +125,8 @@

void memcpy_toio(void __iomem *to, const void *from, long count);
void memcpy_fromio(void *to, void __iomem *from, long count);
+
+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);

#define mmiowb()

diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-sparc/io.h
--- a/include/asm-sparc/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-sparc/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -239,6 +239,8 @@

#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
#ifdef __KERNEL__

/*
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-sparc64/io.h
--- a/include/asm-sparc64/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-sparc64/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -440,6 +440,8 @@

#define memcpy_toio(d,s,sz) _memcpy_toio(d,s,sz)

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
static inline int check_signature(void __iomem *io_addr,
const unsigned char *signature,
int length)
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-v850/io.h
--- a/include/asm-v850/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-v850/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -130,6 +130,8 @@
#define memcpy_fromio(dst, src, len) memcpy (dst, (void *)src, len)
#define memcpy_toio(dst, src, len) memcpy ((void *)dst, src, len)

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
* access
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-x86_64/io.h
--- a/include/asm-x86_64/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-x86_64/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -252,6 +252,8 @@
__memcpy_toio((unsigned long)to,from,len);
}

+void __raw_memcpy_toio32(void __iomem *dst, const void *src, size_t count);
+
void memset_io(volatile void __iomem *a, int b, size_t c);

/*
diff -r 1052904816d7 -r ee6ce7e55dc7 include/asm-xtensa/io.h
--- a/include/asm-xtensa/io.h Wed Jan 11 14:35:45 2006 -0800
+++ b/include/asm-xtensa/io.h Wed Jan 11 14:35:45 2006 -0800
@@ -159,6 +159,8 @@
#define memcpy_fromio(a,b,c) memcpy((a),(void *)(b),(c))
#define memcpy_toio(a,b,c) memcpy((void *)(a),(b),(c))

+void __raw_memcpy_toio32(void __iomem *to, const void *from, size_t count);
+
/* At this point the Xtensa doesn't provide byte swap instructions */

#ifdef __XTENSA_EB__
-
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