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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/zstd/contrib/linux-kernel/0005-crypto-Add-zstd-support.patch | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/zstd/contrib/linux-kernel/0005-crypto-Add-zstd-support.patch | 424 |
1 files changed, 424 insertions, 0 deletions
diff --git a/src/zstd/contrib/linux-kernel/0005-crypto-Add-zstd-support.patch b/src/zstd/contrib/linux-kernel/0005-crypto-Add-zstd-support.patch new file mode 100644 index 000000000..971b06345 --- /dev/null +++ b/src/zstd/contrib/linux-kernel/0005-crypto-Add-zstd-support.patch @@ -0,0 +1,424 @@ +From 308795a7713ca6fcd468b60fba9a2fca99cee6a0 Mon Sep 17 00:00:00 2001 +From: Nick Terrell <terrelln@fb.com> +Date: Wed, 2 Aug 2017 18:02:13 -0700 +Subject: [PATCH v5 5/5] crypto: Add zstd support + +Adds zstd support to crypto and scompress. Only supports the default +level. + +Signed-off-by: Nick Terrell <terrelln@fb.com> +--- + crypto/Kconfig | 9 ++ + crypto/Makefile | 1 + + crypto/testmgr.c | 10 +++ + crypto/testmgr.h | 71 +++++++++++++++ + crypto/zstd.c | 265 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ + 5 files changed, 356 insertions(+) + create mode 100644 crypto/zstd.c + +diff --git a/crypto/Kconfig b/crypto/Kconfig +index caa770e..4fc3936 100644 +--- a/crypto/Kconfig ++++ b/crypto/Kconfig +@@ -1662,6 +1662,15 @@ config CRYPTO_LZ4HC + help + This is the LZ4 high compression mode algorithm. + ++config CRYPTO_ZSTD ++ tristate "Zstd compression algorithm" ++ select CRYPTO_ALGAPI ++ select CRYPTO_ACOMP2 ++ select ZSTD_COMPRESS ++ select ZSTD_DECOMPRESS ++ help ++ This is the zstd algorithm. ++ + comment "Random Number Generation" + + config CRYPTO_ANSI_CPRNG +diff --git a/crypto/Makefile b/crypto/Makefile +index d41f033..b22e1e8 100644 +--- a/crypto/Makefile ++++ b/crypto/Makefile +@@ -133,6 +133,7 @@ obj-$(CONFIG_CRYPTO_USER_API_HASH) += algif_hash.o + obj-$(CONFIG_CRYPTO_USER_API_SKCIPHER) += algif_skcipher.o + obj-$(CONFIG_CRYPTO_USER_API_RNG) += algif_rng.o + obj-$(CONFIG_CRYPTO_USER_API_AEAD) += algif_aead.o ++obj-$(CONFIG_CRYPTO_ZSTD) += zstd.o + + ecdh_generic-y := ecc.o + ecdh_generic-y += ecdh.o +diff --git a/crypto/testmgr.c b/crypto/testmgr.c +index 7125ba3..8a124d3 100644 +--- a/crypto/testmgr.c ++++ b/crypto/testmgr.c +@@ -3603,6 +3603,16 @@ static const struct alg_test_desc alg_test_descs[] = { + .decomp = __VECS(zlib_deflate_decomp_tv_template) + } + } ++ }, { ++ .alg = "zstd", ++ .test = alg_test_comp, ++ .fips_allowed = 1, ++ .suite = { ++ .comp = { ++ .comp = __VECS(zstd_comp_tv_template), ++ .decomp = __VECS(zstd_decomp_tv_template) ++ } ++ } + } + }; + +diff --git a/crypto/testmgr.h b/crypto/testmgr.h +index 6ceb0e2..e6b5920 100644 +--- a/crypto/testmgr.h ++++ b/crypto/testmgr.h +@@ -34631,4 +34631,75 @@ static const struct comp_testvec lz4hc_decomp_tv_template[] = { + }, + }; + ++static const struct comp_testvec zstd_comp_tv_template[] = { ++ { ++ .inlen = 68, ++ .outlen = 39, ++ .input = "The algorithm is zstd. " ++ "The algorithm is zstd. " ++ "The algorithm is zstd.", ++ .output = "\x28\xb5\x2f\xfd\x00\x50\xf5\x00\x00\xb8\x54\x68\x65" ++ "\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d\x20\x69\x73" ++ "\x20\x7a\x73\x74\x64\x2e\x20\x01\x00\x55\x73\x36\x01" ++ , ++ }, ++ { ++ .inlen = 244, ++ .outlen = 151, ++ .input = "zstd, short for Zstandard, is a fast lossless " ++ "compression algorithm, targeting real-time " ++ "compression scenarios at zlib-level and better " ++ "compression ratios. The zstd compression library " ++ "provides in-memory compression and decompression " ++ "functions.", ++ .output = "\x28\xb5\x2f\xfd\x00\x50\x75\x04\x00\x42\x4b\x1e\x17" ++ "\x90\x81\x31\x00\xf2\x2f\xe4\x36\xc9\xef\x92\x88\x32" ++ "\xc9\xf2\x24\x94\xd8\x68\x9a\x0f\x00\x0c\xc4\x31\x6f" ++ "\x0d\x0c\x38\xac\x5c\x48\x03\xcd\x63\x67\xc0\xf3\xad" ++ "\x4e\x90\xaa\x78\xa0\xa4\xc5\x99\xda\x2f\xb6\x24\x60" ++ "\xe2\x79\x4b\xaa\xb6\x6b\x85\x0b\xc9\xc6\x04\x66\x86" ++ "\xe2\xcc\xe2\x25\x3f\x4f\x09\xcd\xb8\x9d\xdb\xc1\x90" ++ "\xa9\x11\xbc\x35\x44\x69\x2d\x9c\x64\x4f\x13\x31\x64" ++ "\xcc\xfb\x4d\x95\x93\x86\x7f\x33\x7f\x1a\xef\xe9\x30" ++ "\xf9\x67\xa1\x94\x0a\x69\x0f\x60\xcd\xc3\xab\x99\xdc" ++ "\x42\xed\x97\x05\x00\x33\xc3\x15\x95\x3a\x06\xa0\x0e" ++ "\x20\xa9\x0e\x82\xb9\x43\x45\x01", ++ }, ++}; ++ ++static const struct comp_testvec zstd_decomp_tv_template[] = { ++ { ++ .inlen = 43, ++ .outlen = 68, ++ .input = "\x28\xb5\x2f\xfd\x04\x50\xf5\x00\x00\xb8\x54\x68\x65" ++ "\x20\x61\x6c\x67\x6f\x72\x69\x74\x68\x6d\x20\x69\x73" ++ "\x20\x7a\x73\x74\x64\x2e\x20\x01\x00\x55\x73\x36\x01" ++ "\x6b\xf4\x13\x35", ++ .output = "The algorithm is zstd. " ++ "The algorithm is zstd. " ++ "The algorithm is zstd.", ++ }, ++ { ++ .inlen = 155, ++ .outlen = 244, ++ .input = "\x28\xb5\x2f\xfd\x04\x50\x75\x04\x00\x42\x4b\x1e\x17" ++ "\x90\x81\x31\x00\xf2\x2f\xe4\x36\xc9\xef\x92\x88\x32" ++ "\xc9\xf2\x24\x94\xd8\x68\x9a\x0f\x00\x0c\xc4\x31\x6f" ++ "\x0d\x0c\x38\xac\x5c\x48\x03\xcd\x63\x67\xc0\xf3\xad" ++ "\x4e\x90\xaa\x78\xa0\xa4\xc5\x99\xda\x2f\xb6\x24\x60" ++ "\xe2\x79\x4b\xaa\xb6\x6b\x85\x0b\xc9\xc6\x04\x66\x86" ++ "\xe2\xcc\xe2\x25\x3f\x4f\x09\xcd\xb8\x9d\xdb\xc1\x90" ++ "\xa9\x11\xbc\x35\x44\x69\x2d\x9c\x64\x4f\x13\x31\x64" ++ "\xcc\xfb\x4d\x95\x93\x86\x7f\x33\x7f\x1a\xef\xe9\x30" ++ "\xf9\x67\xa1\x94\x0a\x69\x0f\x60\xcd\xc3\xab\x99\xdc" ++ "\x42\xed\x97\x05\x00\x33\xc3\x15\x95\x3a\x06\xa0\x0e" ++ "\x20\xa9\x0e\x82\xb9\x43\x45\x01\xaa\x6d\xda\x0d", ++ .output = "zstd, short for Zstandard, is a fast lossless " ++ "compression algorithm, targeting real-time " ++ "compression scenarios at zlib-level and better " ++ "compression ratios. The zstd compression library " ++ "provides in-memory compression and decompression " ++ "functions.", ++ }, ++}; + #endif /* _CRYPTO_TESTMGR_H */ +diff --git a/crypto/zstd.c b/crypto/zstd.c +new file mode 100644 +index 0000000..9a76b3e +--- /dev/null ++++ b/crypto/zstd.c +@@ -0,0 +1,265 @@ ++/* ++ * Cryptographic API. ++ * ++ * Copyright (c) 2017-present, Facebook, Inc. ++ * ++ * This program is free software; you can redistribute it and/or modify it ++ * under the terms of the GNU General Public License version 2 as published by ++ * the Free Software Foundation. ++ * ++ * This program is distributed in the hope that it will be useful, but WITHOUT ++ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or ++ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for ++ * more details. ++ */ ++#include <linux/crypto.h> ++#include <linux/init.h> ++#include <linux/interrupt.h> ++#include <linux/mm.h> ++#include <linux/module.h> ++#include <linux/net.h> ++#include <linux/vmalloc.h> ++#include <linux/zstd.h> ++#include <crypto/internal/scompress.h> ++ ++ ++#define ZSTD_DEF_LEVEL 3 ++ ++struct zstd_ctx { ++ ZSTD_CCtx *cctx; ++ ZSTD_DCtx *dctx; ++ void *cwksp; ++ void *dwksp; ++}; ++ ++static ZSTD_parameters zstd_params(void) ++{ ++ return ZSTD_getParams(ZSTD_DEF_LEVEL, 0, 0); ++} ++ ++static int zstd_comp_init(struct zstd_ctx *ctx) ++{ ++ int ret = 0; ++ const ZSTD_parameters params = zstd_params(); ++ const size_t wksp_size = ZSTD_CCtxWorkspaceBound(params.cParams); ++ ++ ctx->cwksp = vzalloc(wksp_size); ++ if (!ctx->cwksp) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ ++ ctx->cctx = ZSTD_initCCtx(ctx->cwksp, wksp_size); ++ if (!ctx->cctx) { ++ ret = -EINVAL; ++ goto out_free; ++ } ++out: ++ return ret; ++out_free: ++ vfree(ctx->cwksp); ++ goto out; ++} ++ ++static int zstd_decomp_init(struct zstd_ctx *ctx) ++{ ++ int ret = 0; ++ const size_t wksp_size = ZSTD_DCtxWorkspaceBound(); ++ ++ ctx->dwksp = vzalloc(wksp_size); ++ if (!ctx->dwksp) { ++ ret = -ENOMEM; ++ goto out; ++ } ++ ++ ctx->dctx = ZSTD_initDCtx(ctx->dwksp, wksp_size); ++ if (!ctx->dctx) { ++ ret = -EINVAL; ++ goto out_free; ++ } ++out: ++ return ret; ++out_free: ++ vfree(ctx->dwksp); ++ goto out; ++} ++ ++static void zstd_comp_exit(struct zstd_ctx *ctx) ++{ ++ vfree(ctx->cwksp); ++ ctx->cwksp = NULL; ++ ctx->cctx = NULL; ++} ++ ++static void zstd_decomp_exit(struct zstd_ctx *ctx) ++{ ++ vfree(ctx->dwksp); ++ ctx->dwksp = NULL; ++ ctx->dctx = NULL; ++} ++ ++static int __zstd_init(void *ctx) ++{ ++ int ret; ++ ++ ret = zstd_comp_init(ctx); ++ if (ret) ++ return ret; ++ ret = zstd_decomp_init(ctx); ++ if (ret) ++ zstd_comp_exit(ctx); ++ return ret; ++} ++ ++static void *zstd_alloc_ctx(struct crypto_scomp *tfm) ++{ ++ int ret; ++ struct zstd_ctx *ctx; ++ ++ ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); ++ if (!ctx) ++ return ERR_PTR(-ENOMEM); ++ ++ ret = __zstd_init(ctx); ++ if (ret) { ++ kfree(ctx); ++ return ERR_PTR(ret); ++ } ++ ++ return ctx; ++} ++ ++static int zstd_init(struct crypto_tfm *tfm) ++{ ++ struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); ++ ++ return __zstd_init(ctx); ++} ++ ++static void __zstd_exit(void *ctx) ++{ ++ zstd_comp_exit(ctx); ++ zstd_decomp_exit(ctx); ++} ++ ++static void zstd_free_ctx(struct crypto_scomp *tfm, void *ctx) ++{ ++ __zstd_exit(ctx); ++ kzfree(ctx); ++} ++ ++static void zstd_exit(struct crypto_tfm *tfm) ++{ ++ struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); ++ ++ __zstd_exit(ctx); ++} ++ ++static int __zstd_compress(const u8 *src, unsigned int slen, ++ u8 *dst, unsigned int *dlen, void *ctx) ++{ ++ size_t out_len; ++ struct zstd_ctx *zctx = ctx; ++ const ZSTD_parameters params = zstd_params(); ++ ++ out_len = ZSTD_compressCCtx(zctx->cctx, dst, *dlen, src, slen, params); ++ if (ZSTD_isError(out_len)) ++ return -EINVAL; ++ *dlen = out_len; ++ return 0; ++} ++ ++static int zstd_compress(struct crypto_tfm *tfm, const u8 *src, ++ unsigned int slen, u8 *dst, unsigned int *dlen) ++{ ++ struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); ++ ++ return __zstd_compress(src, slen, dst, dlen, ctx); ++} ++ ++static int zstd_scompress(struct crypto_scomp *tfm, const u8 *src, ++ unsigned int slen, u8 *dst, unsigned int *dlen, ++ void *ctx) ++{ ++ return __zstd_compress(src, slen, dst, dlen, ctx); ++} ++ ++static int __zstd_decompress(const u8 *src, unsigned int slen, ++ u8 *dst, unsigned int *dlen, void *ctx) ++{ ++ size_t out_len; ++ struct zstd_ctx *zctx = ctx; ++ ++ out_len = ZSTD_decompressDCtx(zctx->dctx, dst, *dlen, src, slen); ++ if (ZSTD_isError(out_len)) ++ return -EINVAL; ++ *dlen = out_len; ++ return 0; ++} ++ ++static int zstd_decompress(struct crypto_tfm *tfm, const u8 *src, ++ unsigned int slen, u8 *dst, unsigned int *dlen) ++{ ++ struct zstd_ctx *ctx = crypto_tfm_ctx(tfm); ++ ++ return __zstd_decompress(src, slen, dst, dlen, ctx); ++} ++ ++static int zstd_sdecompress(struct crypto_scomp *tfm, const u8 *src, ++ unsigned int slen, u8 *dst, unsigned int *dlen, ++ void *ctx) ++{ ++ return __zstd_decompress(src, slen, dst, dlen, ctx); ++} ++ ++static struct crypto_alg alg = { ++ .cra_name = "zstd", ++ .cra_flags = CRYPTO_ALG_TYPE_COMPRESS, ++ .cra_ctxsize = sizeof(struct zstd_ctx), ++ .cra_module = THIS_MODULE, ++ .cra_init = zstd_init, ++ .cra_exit = zstd_exit, ++ .cra_u = { .compress = { ++ .coa_compress = zstd_compress, ++ .coa_decompress = zstd_decompress } } ++}; ++ ++static struct scomp_alg scomp = { ++ .alloc_ctx = zstd_alloc_ctx, ++ .free_ctx = zstd_free_ctx, ++ .compress = zstd_scompress, ++ .decompress = zstd_sdecompress, ++ .base = { ++ .cra_name = "zstd", ++ .cra_driver_name = "zstd-scomp", ++ .cra_module = THIS_MODULE, ++ } ++}; ++ ++static int __init zstd_mod_init(void) ++{ ++ int ret; ++ ++ ret = crypto_register_alg(&alg); ++ if (ret) ++ return ret; ++ ++ ret = crypto_register_scomp(&scomp); ++ if (ret) ++ crypto_unregister_alg(&alg); ++ ++ return ret; ++} ++ ++static void __exit zstd_mod_fini(void) ++{ ++ crypto_unregister_alg(&alg); ++ crypto_unregister_scomp(&scomp); ++} ++ ++module_init(zstd_mod_init); ++module_exit(zstd_mod_fini); ++ ++MODULE_LICENSE("GPL"); ++MODULE_DESCRIPTION("Zstd Compression Algorithm"); ++MODULE_ALIAS_CRYPTO("zstd"); +-- +2.9.3 |