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Add AArch32 (ARM32) NEON SIMD support for parity generation and recovery

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This commit is contained in:
Andrea Mazzoleni 2026-08-20 21:47:31 +02:00
parent e5ca862a37
commit 5c24968e6d
13 changed files with 1396 additions and 23 deletions
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13
raid/module.c
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@ -44,7 +44,7 @@ const uint8_t *raid_gfexp;
const uint8_t *raid_gfinv;
const uint8_t(*raid_gfvandermonde)[256];
const uint8_t(*raid_gfcauchy)[256];
#if defined(CONFIG_X86) || defined(CONFIG_NEON)
#if defined(CONFIG_X86) || defined(CONFIG_NEON) || defined(CONFIG_NEON32)
const uint8_t(*raid_gfcauchypshufb)[5][2][16];
const uint8_t(*raid_gfmulpshufb)[2][16];
#endif
@ -57,7 +57,7 @@ uint64_t raid_poly_64;
uint32_t raid_inv2_32;
uint64_t raid_inv2_64;
#if defined(CONFIG_X86) || defined(CONFIG_NEON)
#if defined(CONFIG_X86) || defined(CONFIG_NEON) || defined(CONFIG_NEON32)
struct gfconst16 __aligned(16) gfconst16 =
{
{ 0 },
@ -229,7 +229,7 @@ int raid_mode(int mode)
raid_gfinv = raid_gfinv_aes;
raid_gfvandermonde = 0;
raid_gfcauchy = raid_gfcauchy_aes;
#if defined(CONFIG_X86) || defined(CONFIG_NEON)
#if defined(CONFIG_X86) || defined(CONFIG_NEON) || defined(CONFIG_NEON32)
raid_gfcauchypshufb = raid_gfcauchypshufb_aes;
raid_gfmulpshufb = raid_gfmulpshufb_aes;
#endif
@ -249,7 +249,7 @@ int raid_mode(int mode)
raid_gfinv = raid_gfinv_raid;
raid_gfvandermonde = raid_gfvandermonde_raid;
raid_gfcauchy = raid_gfcauchy_raid;
#if defined(CONFIG_X86) || defined(CONFIG_NEON)
#if defined(CONFIG_X86) || defined(CONFIG_NEON) || defined(CONFIG_NEON32)
raid_gfcauchypshufb = raid_gfcauchypshufb_raid;
raid_gfmulpshufb = raid_gfmulpshufb_raid;
#endif
@ -265,7 +265,7 @@ int raid_mode(int mode)
raid_rec_algo = raid_rec_algo_raid;
}
#if defined(CONFIG_X86) || defined(CONFIG_NEON)
#if defined(CONFIG_X86) || defined(CONFIG_NEON) || defined(CONFIG_NEON32)
memset(gfconst16.poly, raid_poly_byte, 16);
memset(gfconst16.half, raid_inv2_byte, 16);
#endif
@ -361,6 +361,9 @@ void raid_init(void)
#ifdef CONFIG_NEON
raid_register_neon();
#endif
#ifdef CONFIG_NEON32
raid_register_neon32();
#endif
/* set the default mode */
raid_mode(RAID_MODE_CAUCHY_RAID);