From a8e026c785b3fecef0ef5c00c15223542c4db8f5 Mon Sep 17 00:00:00 2001 From: NeilBrown Date: Thu, 12 Aug 2010 06:44:54 +1000 Subject: Further tidyup of raid6 naming in lib/raid6 Rename raid6/raid6x86.h to raid6/x86.h and modify some comments. Signed-off-by: NeilBrown diff --git a/lib/raid6/algos.c b/lib/raid6/algos.c index df7ff727..b595f56 100644 --- a/lib/raid6/algos.c +++ b/lib/raid6/algos.c @@ -11,7 +11,7 @@ * ----------------------------------------------------------------------- */ /* - * raid6algos.c + * raid6/algos.c * * Algorithm list and algorithm selection for RAID-6 */ diff --git a/lib/raid6/mmx.c b/lib/raid6/mmx.c index e7f6c13..279347f 100644 --- a/lib/raid6/mmx.c +++ b/lib/raid6/mmx.c @@ -11,7 +11,7 @@ * ----------------------------------------------------------------------- */ /* - * raid6mmx.c + * raid6/mmx.c * * MMX implementation of RAID-6 syndrome functions */ @@ -19,9 +19,9 @@ #if defined(__i386__) && !defined(__arch_um__) #include -#include "raid6x86.h" +#include "x86.h" -/* Shared with raid6sse1.c */ +/* Shared with raid6/sse1.c */ const struct raid6_mmx_constants { u64 x1d; } raid6_mmx_constants = { diff --git a/lib/raid6/raid6x86.h b/lib/raid6/raid6x86.h deleted file mode 100644 index 4c22c15..0000000 --- a/lib/raid6/raid6x86.h +++ /dev/null @@ -1,61 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright 2002-2004 H. Peter Anvin - All Rights Reserved - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, Inc., 53 Temple Place Ste 330, - * Boston MA 02111-1307, USA; either version 2 of the License, or - * (at your option) any later version; incorporated herein by reference. - * - * ----------------------------------------------------------------------- */ - -/* - * raid6x86.h - * - * Definitions common to x86 and x86-64 RAID-6 code only - */ - -#ifndef LINUX_RAID_RAID6X86_H -#define LINUX_RAID_RAID6X86_H - -#if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__) - -#ifdef __KERNEL__ /* Real code */ - -#include - -#else /* Dummy code for user space testing */ - -static inline void kernel_fpu_begin(void) -{ -} - -static inline void kernel_fpu_end(void) -{ -} - -#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */ -#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions - * (fast save and restore) */ -#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */ -#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */ -#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ - -/* Should work well enough on modern CPUs for testing */ -static inline int boot_cpu_has(int flag) -{ - u32 eax = (flag >> 5) ? 0x80000001 : 1; - u32 edx; - - asm volatile("cpuid" - : "+a" (eax), "=d" (edx) - : : "ecx", "ebx"); - - return (edx >> (flag & 31)) & 1; -} - -#endif /* ndef __KERNEL__ */ - -#endif -#endif diff --git a/lib/raid6/recov.c b/lib/raid6/recov.c index 2609f00..8590d19 100644 --- a/lib/raid6/recov.c +++ b/lib/raid6/recov.c @@ -11,7 +11,7 @@ * ----------------------------------------------------------------------- */ /* - * raid6recov.c + * raid6/recov.c * * RAID-6 data recovery in dual failure mode. In single failure mode, * use the RAID-5 algorithm (or, in the case of Q failure, just reconstruct diff --git a/lib/raid6/sse1.c b/lib/raid6/sse1.c index b274dd5..10dd9194 100644 --- a/lib/raid6/sse1.c +++ b/lib/raid6/sse1.c @@ -11,7 +11,7 @@ * ----------------------------------------------------------------------- */ /* - * raid6sse1.c + * raid6/sse1.c * * SSE-1/MMXEXT implementation of RAID-6 syndrome functions * @@ -24,9 +24,9 @@ #if defined(__i386__) && !defined(__arch_um__) #include -#include "raid6x86.h" +#include "x86.h" -/* Defined in raid6mmx.c */ +/* Defined in raid6/mmx.c */ extern const struct raid6_mmx_constants { u64 x1d; } raid6_mmx_constants; diff --git a/lib/raid6/sse2.c b/lib/raid6/sse2.c index 6ed6c6c..bc2d57d 100644 --- a/lib/raid6/sse2.c +++ b/lib/raid6/sse2.c @@ -11,7 +11,7 @@ * ----------------------------------------------------------------------- */ /* - * raid6sse2.c + * raid6/sse2.c * * SSE-2 implementation of RAID-6 syndrome functions * @@ -20,7 +20,7 @@ #if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__) #include -#include "raid6x86.h" +#include "x86.h" static const struct raid6_sse_constants { u64 x1d[2]; diff --git a/lib/raid6/x86.h b/lib/raid6/x86.h new file mode 100644 index 0000000..cb2a8c9 --- /dev/null +++ b/lib/raid6/x86.h @@ -0,0 +1,61 @@ +/* ----------------------------------------------------------------------- * + * + * Copyright 2002-2004 H. Peter Anvin - All Rights Reserved + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, Inc., 53 Temple Place Ste 330, + * Boston MA 02111-1307, USA; either version 2 of the License, or + * (at your option) any later version; incorporated herein by reference. + * + * ----------------------------------------------------------------------- */ + +/* + * raid6/x86.h + * + * Definitions common to x86 and x86-64 RAID-6 code only + */ + +#ifndef LINUX_RAID_RAID6X86_H +#define LINUX_RAID_RAID6X86_H + +#if (defined(__i386__) || defined(__x86_64__)) && !defined(__arch_um__) + +#ifdef __KERNEL__ /* Real code */ + +#include + +#else /* Dummy code for user space testing */ + +static inline void kernel_fpu_begin(void) +{ +} + +static inline void kernel_fpu_end(void) +{ +} + +#define X86_FEATURE_MMX (0*32+23) /* Multimedia Extensions */ +#define X86_FEATURE_FXSR (0*32+24) /* FXSAVE and FXRSTOR instructions + * (fast save and restore) */ +#define X86_FEATURE_XMM (0*32+25) /* Streaming SIMD Extensions */ +#define X86_FEATURE_XMM2 (0*32+26) /* Streaming SIMD Extensions-2 */ +#define X86_FEATURE_MMXEXT (1*32+22) /* AMD MMX extensions */ + +/* Should work well enough on modern CPUs for testing */ +static inline int boot_cpu_has(int flag) +{ + u32 eax = (flag >> 5) ? 0x80000001 : 1; + u32 edx; + + asm volatile("cpuid" + : "+a" (eax), "=d" (edx) + : : "ecx", "ebx"); + + return (edx >> (flag & 31)) & 1; +} + +#endif /* ndef __KERNEL__ */ + +#endif +#endif -- cgit v0.10.2