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-rw-r--r--include/asm-generic/xor.h727
1 files changed, 4 insertions, 723 deletions
diff --git a/include/asm-generic/xor.h b/include/asm-generic/xor.h
index 79c0096aa9d9..fc151fdc45ab 100644
--- a/include/asm-generic/xor.h
+++ b/include/asm-generic/xor.h
@@ -5,726 +5,7 @@
* Generic optimized RAID-5 checksumming functions.
*/
-#include <linux/prefetch.h>
-
-static void
-xor_8regs_2(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2)
-{
- long lines = bytes / (sizeof (long)) / 8;
-
- do {
- p1[0] ^= p2[0];
- p1[1] ^= p2[1];
- p1[2] ^= p2[2];
- p1[3] ^= p2[3];
- p1[4] ^= p2[4];
- p1[5] ^= p2[5];
- p1[6] ^= p2[6];
- p1[7] ^= p2[7];
- p1 += 8;
- p2 += 8;
- } while (--lines > 0);
-}
-
-static void
-xor_8regs_3(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3)
-{
- long lines = bytes / (sizeof (long)) / 8;
-
- do {
- p1[0] ^= p2[0] ^ p3[0];
- p1[1] ^= p2[1] ^ p3[1];
- p1[2] ^= p2[2] ^ p3[2];
- p1[3] ^= p2[3] ^ p3[3];
- p1[4] ^= p2[4] ^ p3[4];
- p1[5] ^= p2[5] ^ p3[5];
- p1[6] ^= p2[6] ^ p3[6];
- p1[7] ^= p2[7] ^ p3[7];
- p1 += 8;
- p2 += 8;
- p3 += 8;
- } while (--lines > 0);
-}
-
-static void
-xor_8regs_4(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3,
- const unsigned long * __restrict p4)
-{
- long lines = bytes / (sizeof (long)) / 8;
-
- do {
- p1[0] ^= p2[0] ^ p3[0] ^ p4[0];
- p1[1] ^= p2[1] ^ p3[1] ^ p4[1];
- p1[2] ^= p2[2] ^ p3[2] ^ p4[2];
- p1[3] ^= p2[3] ^ p3[3] ^ p4[3];
- p1[4] ^= p2[4] ^ p3[4] ^ p4[4];
- p1[5] ^= p2[5] ^ p3[5] ^ p4[5];
- p1[6] ^= p2[6] ^ p3[6] ^ p4[6];
- p1[7] ^= p2[7] ^ p3[7] ^ p4[7];
- p1 += 8;
- p2 += 8;
- p3 += 8;
- p4 += 8;
- } while (--lines > 0);
-}
-
-static void
-xor_8regs_5(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3,
- const unsigned long * __restrict p4,
- const unsigned long * __restrict p5)
-{
- long lines = bytes / (sizeof (long)) / 8;
-
- do {
- p1[0] ^= p2[0] ^ p3[0] ^ p4[0] ^ p5[0];
- p1[1] ^= p2[1] ^ p3[1] ^ p4[1] ^ p5[1];
- p1[2] ^= p2[2] ^ p3[2] ^ p4[2] ^ p5[2];
- p1[3] ^= p2[3] ^ p3[3] ^ p4[3] ^ p5[3];
- p1[4] ^= p2[4] ^ p3[4] ^ p4[4] ^ p5[4];
- p1[5] ^= p2[5] ^ p3[5] ^ p4[5] ^ p5[5];
- p1[6] ^= p2[6] ^ p3[6] ^ p4[6] ^ p5[6];
- p1[7] ^= p2[7] ^ p3[7] ^ p4[7] ^ p5[7];
- p1 += 8;
- p2 += 8;
- p3 += 8;
- p4 += 8;
- p5 += 8;
- } while (--lines > 0);
-}
-
-static void
-xor_32regs_2(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2)
-{
- long lines = bytes / (sizeof (long)) / 8;
-
- do {
- register long d0, d1, d2, d3, d4, d5, d6, d7;
- d0 = p1[0]; /* Pull the stuff into registers */
- d1 = p1[1]; /* ... in bursts, if possible. */
- d2 = p1[2];
- d3 = p1[3];
- d4 = p1[4];
- d5 = p1[5];
- d6 = p1[6];
- d7 = p1[7];
- d0 ^= p2[0];
- d1 ^= p2[1];
- d2 ^= p2[2];
- d3 ^= p2[3];
- d4 ^= p2[4];
- d5 ^= p2[5];
- d6 ^= p2[6];
- d7 ^= p2[7];
- p1[0] = d0; /* Store the result (in bursts) */
- p1[1] = d1;
- p1[2] = d2;
- p1[3] = d3;
- p1[4] = d4;
- p1[5] = d5;
- p1[6] = d6;
- p1[7] = d7;
- p1 += 8;
- p2 += 8;
- } while (--lines > 0);
-}
-
-static void
-xor_32regs_3(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3)
-{
- long lines = bytes / (sizeof (long)) / 8;
-
- do {
- register long d0, d1, d2, d3, d4, d5, d6, d7;
- d0 = p1[0]; /* Pull the stuff into registers */
- d1 = p1[1]; /* ... in bursts, if possible. */
- d2 = p1[2];
- d3 = p1[3];
- d4 = p1[4];
- d5 = p1[5];
- d6 = p1[6];
- d7 = p1[7];
- d0 ^= p2[0];
- d1 ^= p2[1];
- d2 ^= p2[2];
- d3 ^= p2[3];
- d4 ^= p2[4];
- d5 ^= p2[5];
- d6 ^= p2[6];
- d7 ^= p2[7];
- d0 ^= p3[0];
- d1 ^= p3[1];
- d2 ^= p3[2];
- d3 ^= p3[3];
- d4 ^= p3[4];
- d5 ^= p3[5];
- d6 ^= p3[6];
- d7 ^= p3[7];
- p1[0] = d0; /* Store the result (in bursts) */
- p1[1] = d1;
- p1[2] = d2;
- p1[3] = d3;
- p1[4] = d4;
- p1[5] = d5;
- p1[6] = d6;
- p1[7] = d7;
- p1 += 8;
- p2 += 8;
- p3 += 8;
- } while (--lines > 0);
-}
-
-static void
-xor_32regs_4(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3,
- const unsigned long * __restrict p4)
-{
- long lines = bytes / (sizeof (long)) / 8;
-
- do {
- register long d0, d1, d2, d3, d4, d5, d6, d7;
- d0 = p1[0]; /* Pull the stuff into registers */
- d1 = p1[1]; /* ... in bursts, if possible. */
- d2 = p1[2];
- d3 = p1[3];
- d4 = p1[4];
- d5 = p1[5];
- d6 = p1[6];
- d7 = p1[7];
- d0 ^= p2[0];
- d1 ^= p2[1];
- d2 ^= p2[2];
- d3 ^= p2[3];
- d4 ^= p2[4];
- d5 ^= p2[5];
- d6 ^= p2[6];
- d7 ^= p2[7];
- d0 ^= p3[0];
- d1 ^= p3[1];
- d2 ^= p3[2];
- d3 ^= p3[3];
- d4 ^= p3[4];
- d5 ^= p3[5];
- d6 ^= p3[6];
- d7 ^= p3[7];
- d0 ^= p4[0];
- d1 ^= p4[1];
- d2 ^= p4[2];
- d3 ^= p4[3];
- d4 ^= p4[4];
- d5 ^= p4[5];
- d6 ^= p4[6];
- d7 ^= p4[7];
- p1[0] = d0; /* Store the result (in bursts) */
- p1[1] = d1;
- p1[2] = d2;
- p1[3] = d3;
- p1[4] = d4;
- p1[5] = d5;
- p1[6] = d6;
- p1[7] = d7;
- p1 += 8;
- p2 += 8;
- p3 += 8;
- p4 += 8;
- } while (--lines > 0);
-}
-
-static void
-xor_32regs_5(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3,
- const unsigned long * __restrict p4,
- const unsigned long * __restrict p5)
-{
- long lines = bytes / (sizeof (long)) / 8;
-
- do {
- register long d0, d1, d2, d3, d4, d5, d6, d7;
- d0 = p1[0]; /* Pull the stuff into registers */
- d1 = p1[1]; /* ... in bursts, if possible. */
- d2 = p1[2];
- d3 = p1[3];
- d4 = p1[4];
- d5 = p1[5];
- d6 = p1[6];
- d7 = p1[7];
- d0 ^= p2[0];
- d1 ^= p2[1];
- d2 ^= p2[2];
- d3 ^= p2[3];
- d4 ^= p2[4];
- d5 ^= p2[5];
- d6 ^= p2[6];
- d7 ^= p2[7];
- d0 ^= p3[0];
- d1 ^= p3[1];
- d2 ^= p3[2];
- d3 ^= p3[3];
- d4 ^= p3[4];
- d5 ^= p3[5];
- d6 ^= p3[6];
- d7 ^= p3[7];
- d0 ^= p4[0];
- d1 ^= p4[1];
- d2 ^= p4[2];
- d3 ^= p4[3];
- d4 ^= p4[4];
- d5 ^= p4[5];
- d6 ^= p4[6];
- d7 ^= p4[7];
- d0 ^= p5[0];
- d1 ^= p5[1];
- d2 ^= p5[2];
- d3 ^= p5[3];
- d4 ^= p5[4];
- d5 ^= p5[5];
- d6 ^= p5[6];
- d7 ^= p5[7];
- p1[0] = d0; /* Store the result (in bursts) */
- p1[1] = d1;
- p1[2] = d2;
- p1[3] = d3;
- p1[4] = d4;
- p1[5] = d5;
- p1[6] = d6;
- p1[7] = d7;
- p1 += 8;
- p2 += 8;
- p3 += 8;
- p4 += 8;
- p5 += 8;
- } while (--lines > 0);
-}
-
-static void
-xor_8regs_p_2(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2)
-{
- long lines = bytes / (sizeof (long)) / 8 - 1;
- prefetchw(p1);
- prefetch(p2);
-
- do {
- prefetchw(p1+8);
- prefetch(p2+8);
- once_more:
- p1[0] ^= p2[0];
- p1[1] ^= p2[1];
- p1[2] ^= p2[2];
- p1[3] ^= p2[3];
- p1[4] ^= p2[4];
- p1[5] ^= p2[5];
- p1[6] ^= p2[6];
- p1[7] ^= p2[7];
- p1 += 8;
- p2 += 8;
- } while (--lines > 0);
- if (lines == 0)
- goto once_more;
-}
-
-static void
-xor_8regs_p_3(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3)
-{
- long lines = bytes / (sizeof (long)) / 8 - 1;
- prefetchw(p1);
- prefetch(p2);
- prefetch(p3);
-
- do {
- prefetchw(p1+8);
- prefetch(p2+8);
- prefetch(p3+8);
- once_more:
- p1[0] ^= p2[0] ^ p3[0];
- p1[1] ^= p2[1] ^ p3[1];
- p1[2] ^= p2[2] ^ p3[2];
- p1[3] ^= p2[3] ^ p3[3];
- p1[4] ^= p2[4] ^ p3[4];
- p1[5] ^= p2[5] ^ p3[5];
- p1[6] ^= p2[6] ^ p3[6];
- p1[7] ^= p2[7] ^ p3[7];
- p1 += 8;
- p2 += 8;
- p3 += 8;
- } while (--lines > 0);
- if (lines == 0)
- goto once_more;
-}
-
-static void
-xor_8regs_p_4(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3,
- const unsigned long * __restrict p4)
-{
- long lines = bytes / (sizeof (long)) / 8 - 1;
-
- prefetchw(p1);
- prefetch(p2);
- prefetch(p3);
- prefetch(p4);
-
- do {
- prefetchw(p1+8);
- prefetch(p2+8);
- prefetch(p3+8);
- prefetch(p4+8);
- once_more:
- p1[0] ^= p2[0] ^ p3[0] ^ p4[0];
- p1[1] ^= p2[1] ^ p3[1] ^ p4[1];
- p1[2] ^= p2[2] ^ p3[2] ^ p4[2];
- p1[3] ^= p2[3] ^ p3[3] ^ p4[3];
- p1[4] ^= p2[4] ^ p3[4] ^ p4[4];
- p1[5] ^= p2[5] ^ p3[5] ^ p4[5];
- p1[6] ^= p2[6] ^ p3[6] ^ p4[6];
- p1[7] ^= p2[7] ^ p3[7] ^ p4[7];
- p1 += 8;
- p2 += 8;
- p3 += 8;
- p4 += 8;
- } while (--lines > 0);
- if (lines == 0)
- goto once_more;
-}
-
-static void
-xor_8regs_p_5(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3,
- const unsigned long * __restrict p4,
- const unsigned long * __restrict p5)
-{
- long lines = bytes / (sizeof (long)) / 8 - 1;
-
- prefetchw(p1);
- prefetch(p2);
- prefetch(p3);
- prefetch(p4);
- prefetch(p5);
-
- do {
- prefetchw(p1+8);
- prefetch(p2+8);
- prefetch(p3+8);
- prefetch(p4+8);
- prefetch(p5+8);
- once_more:
- p1[0] ^= p2[0] ^ p3[0] ^ p4[0] ^ p5[0];
- p1[1] ^= p2[1] ^ p3[1] ^ p4[1] ^ p5[1];
- p1[2] ^= p2[2] ^ p3[2] ^ p4[2] ^ p5[2];
- p1[3] ^= p2[3] ^ p3[3] ^ p4[3] ^ p5[3];
- p1[4] ^= p2[4] ^ p3[4] ^ p4[4] ^ p5[4];
- p1[5] ^= p2[5] ^ p3[5] ^ p4[5] ^ p5[5];
- p1[6] ^= p2[6] ^ p3[6] ^ p4[6] ^ p5[6];
- p1[7] ^= p2[7] ^ p3[7] ^ p4[7] ^ p5[7];
- p1 += 8;
- p2 += 8;
- p3 += 8;
- p4 += 8;
- p5 += 8;
- } while (--lines > 0);
- if (lines == 0)
- goto once_more;
-}
-
-static void
-xor_32regs_p_2(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2)
-{
- long lines = bytes / (sizeof (long)) / 8 - 1;
-
- prefetchw(p1);
- prefetch(p2);
-
- do {
- register long d0, d1, d2, d3, d4, d5, d6, d7;
-
- prefetchw(p1+8);
- prefetch(p2+8);
- once_more:
- d0 = p1[0]; /* Pull the stuff into registers */
- d1 = p1[1]; /* ... in bursts, if possible. */
- d2 = p1[2];
- d3 = p1[3];
- d4 = p1[4];
- d5 = p1[5];
- d6 = p1[6];
- d7 = p1[7];
- d0 ^= p2[0];
- d1 ^= p2[1];
- d2 ^= p2[2];
- d3 ^= p2[3];
- d4 ^= p2[4];
- d5 ^= p2[5];
- d6 ^= p2[6];
- d7 ^= p2[7];
- p1[0] = d0; /* Store the result (in bursts) */
- p1[1] = d1;
- p1[2] = d2;
- p1[3] = d3;
- p1[4] = d4;
- p1[5] = d5;
- p1[6] = d6;
- p1[7] = d7;
- p1 += 8;
- p2 += 8;
- } while (--lines > 0);
- if (lines == 0)
- goto once_more;
-}
-
-static void
-xor_32regs_p_3(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3)
-{
- long lines = bytes / (sizeof (long)) / 8 - 1;
-
- prefetchw(p1);
- prefetch(p2);
- prefetch(p3);
-
- do {
- register long d0, d1, d2, d3, d4, d5, d6, d7;
-
- prefetchw(p1+8);
- prefetch(p2+8);
- prefetch(p3+8);
- once_more:
- d0 = p1[0]; /* Pull the stuff into registers */
- d1 = p1[1]; /* ... in bursts, if possible. */
- d2 = p1[2];
- d3 = p1[3];
- d4 = p1[4];
- d5 = p1[5];
- d6 = p1[6];
- d7 = p1[7];
- d0 ^= p2[0];
- d1 ^= p2[1];
- d2 ^= p2[2];
- d3 ^= p2[3];
- d4 ^= p2[4];
- d5 ^= p2[5];
- d6 ^= p2[6];
- d7 ^= p2[7];
- d0 ^= p3[0];
- d1 ^= p3[1];
- d2 ^= p3[2];
- d3 ^= p3[3];
- d4 ^= p3[4];
- d5 ^= p3[5];
- d6 ^= p3[6];
- d7 ^= p3[7];
- p1[0] = d0; /* Store the result (in bursts) */
- p1[1] = d1;
- p1[2] = d2;
- p1[3] = d3;
- p1[4] = d4;
- p1[5] = d5;
- p1[6] = d6;
- p1[7] = d7;
- p1 += 8;
- p2 += 8;
- p3 += 8;
- } while (--lines > 0);
- if (lines == 0)
- goto once_more;
-}
-
-static void
-xor_32regs_p_4(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3,
- const unsigned long * __restrict p4)
-{
- long lines = bytes / (sizeof (long)) / 8 - 1;
-
- prefetchw(p1);
- prefetch(p2);
- prefetch(p3);
- prefetch(p4);
-
- do {
- register long d0, d1, d2, d3, d4, d5, d6, d7;
-
- prefetchw(p1+8);
- prefetch(p2+8);
- prefetch(p3+8);
- prefetch(p4+8);
- once_more:
- d0 = p1[0]; /* Pull the stuff into registers */
- d1 = p1[1]; /* ... in bursts, if possible. */
- d2 = p1[2];
- d3 = p1[3];
- d4 = p1[4];
- d5 = p1[5];
- d6 = p1[6];
- d7 = p1[7];
- d0 ^= p2[0];
- d1 ^= p2[1];
- d2 ^= p2[2];
- d3 ^= p2[3];
- d4 ^= p2[4];
- d5 ^= p2[5];
- d6 ^= p2[6];
- d7 ^= p2[7];
- d0 ^= p3[0];
- d1 ^= p3[1];
- d2 ^= p3[2];
- d3 ^= p3[3];
- d4 ^= p3[4];
- d5 ^= p3[5];
- d6 ^= p3[6];
- d7 ^= p3[7];
- d0 ^= p4[0];
- d1 ^= p4[1];
- d2 ^= p4[2];
- d3 ^= p4[3];
- d4 ^= p4[4];
- d5 ^= p4[5];
- d6 ^= p4[6];
- d7 ^= p4[7];
- p1[0] = d0; /* Store the result (in bursts) */
- p1[1] = d1;
- p1[2] = d2;
- p1[3] = d3;
- p1[4] = d4;
- p1[5] = d5;
- p1[6] = d6;
- p1[7] = d7;
- p1 += 8;
- p2 += 8;
- p3 += 8;
- p4 += 8;
- } while (--lines > 0);
- if (lines == 0)
- goto once_more;
-}
-
-static void
-xor_32regs_p_5(unsigned long bytes, unsigned long * __restrict p1,
- const unsigned long * __restrict p2,
- const unsigned long * __restrict p3,
- const unsigned long * __restrict p4,
- const unsigned long * __restrict p5)
-{
- long lines = bytes / (sizeof (long)) / 8 - 1;
-
- prefetchw(p1);
- prefetch(p2);
- prefetch(p3);
- prefetch(p4);
- prefetch(p5);
-
- do {
- register long d0, d1, d2, d3, d4, d5, d6, d7;
-
- prefetchw(p1+8);
- prefetch(p2+8);
- prefetch(p3+8);
- prefetch(p4+8);
- prefetch(p5+8);
- once_more:
- d0 = p1[0]; /* Pull the stuff into registers */
- d1 = p1[1]; /* ... in bursts, if possible. */
- d2 = p1[2];
- d3 = p1[3];
- d4 = p1[4];
- d5 = p1[5];
- d6 = p1[6];
- d7 = p1[7];
- d0 ^= p2[0];
- d1 ^= p2[1];
- d2 ^= p2[2];
- d3 ^= p2[3];
- d4 ^= p2[4];
- d5 ^= p2[5];
- d6 ^= p2[6];
- d7 ^= p2[7];
- d0 ^= p3[0];
- d1 ^= p3[1];
- d2 ^= p3[2];
- d3 ^= p3[3];
- d4 ^= p3[4];
- d5 ^= p3[5];
- d6 ^= p3[6];
- d7 ^= p3[7];
- d0 ^= p4[0];
- d1 ^= p4[1];
- d2 ^= p4[2];
- d3 ^= p4[3];
- d4 ^= p4[4];
- d5 ^= p4[5];
- d6 ^= p4[6];
- d7 ^= p4[7];
- d0 ^= p5[0];
- d1 ^= p5[1];
- d2 ^= p5[2];
- d3 ^= p5[3];
- d4 ^= p5[4];
- d5 ^= p5[5];
- d6 ^= p5[6];
- d7 ^= p5[7];
- p1[0] = d0; /* Store the result (in bursts) */
- p1[1] = d1;
- p1[2] = d2;
- p1[3] = d3;
- p1[4] = d4;
- p1[5] = d5;
- p1[6] = d6;
- p1[7] = d7;
- p1 += 8;
- p2 += 8;
- p3 += 8;
- p4 += 8;
- p5 += 8;
- } while (--lines > 0);
- if (lines == 0)
- goto once_more;
-}
-
-static struct xor_block_template xor_block_8regs = {
- .name = "8regs",
- .do_2 = xor_8regs_2,
- .do_3 = xor_8regs_3,
- .do_4 = xor_8regs_4,
- .do_5 = xor_8regs_5,
-};
-
-static struct xor_block_template xor_block_32regs = {
- .name = "32regs",
- .do_2 = xor_32regs_2,
- .do_3 = xor_32regs_3,
- .do_4 = xor_32regs_4,
- .do_5 = xor_32regs_5,
-};
-
-static struct xor_block_template xor_block_8regs_p __maybe_unused = {
- .name = "8regs_prefetch",
- .do_2 = xor_8regs_p_2,
- .do_3 = xor_8regs_p_3,
- .do_4 = xor_8regs_p_4,
- .do_5 = xor_8regs_p_5,
-};
-
-static struct xor_block_template xor_block_32regs_p __maybe_unused = {
- .name = "32regs_prefetch",
- .do_2 = xor_32regs_p_2,
- .do_3 = xor_32regs_p_3,
- .do_4 = xor_32regs_p_4,
- .do_5 = xor_32regs_p_5,
-};
+extern struct xor_block_template xor_block_8regs;
+extern struct xor_block_template xor_block_32regs;
+extern struct xor_block_template xor_block_8regs_p;
+extern struct xor_block_template xor_block_32regs_p;
generated by cgit v1.2.3 (git 2.39.0) at 2026-05-14 02:35:51 +0300