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authorLinus Torvalds <torvalds@linux-foundation.org>2022-05-28 04:06:49 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-05-28 04:06:49 +0300
commitd075c0c1be279c5f4c6688ac0442fff6494e56bc (patch)
treec3e3ab6b35139229ad0a5096ccea0c00eb97998b /drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c
parentbf272460d744112bacd4c4d562592decbf0edf64 (diff)
parente4e62bbc6aba49a5edb3156ec65f6698ff37d228 (diff)
downloadlinux-d075c0c1be279c5f4c6688ac0442fff6494e56bc.tar.xz
Merge tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
Pull crypto updates from Herbert Xu: "API: - Test in-place en/decryption with two sglists in testmgr - Fix process vs softirq race in cryptd Algorithms: - Add arm64 acceleration for sm4 - Add s390 acceleration for chacha20 Drivers: - Add polarfire soc hwrng support in mpsf - Add support for TI SoC AM62x in sa2ul - Add support for ATSHA204 cryptochip in atmel-sha204a - Add support for PRNG in caam - Restore support for storage encryption in qat - Restore support for storage encryption in hisilicon/sec" * tag 'v5.19-p1' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: (116 commits) hwrng: omap3-rom - fix using wrong clk_disable() in omap_rom_rng_runtime_resume() crypto: hisilicon/sec - delete the flag CRYPTO_ALG_ALLOCATES_MEMORY crypto: qat - add support for 401xx devices crypto: qat - re-enable registration of algorithms crypto: qat - honor CRYPTO_TFM_REQ_MAY_SLEEP flag crypto: qat - add param check for DH crypto: qat - add param check for RSA crypto: qat - remove dma_free_coherent() for DH crypto: qat - remove dma_free_coherent() for RSA crypto: qat - fix memory leak in RSA crypto: qat - add backlog mechanism crypto: qat - refactor submission logic crypto: qat - use pre-allocated buffers in datapath crypto: qat - set to zero DH parameters before free crypto: s390 - add crypto library interface for ChaCha20 crypto: talitos - Uniform coding style with defined variable crypto: octeontx2 - simplify the return expression of otx2_cpt_aead_cbc_aes_sha_setkey() crypto: cryptd - Protect per-CPU resource by disabling BH. crypto: sun8i-ce - do not fallback if cryptlen is less than sg length crypto: sun8i-ce - rework debugging ...
Diffstat (limited to 'drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c')
-rw-r--r--drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c92
1 files changed, 83 insertions, 9 deletions
diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c
index 319fe3279a71..98593a0cff69 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss-core.c
@@ -66,6 +66,7 @@ int sun8i_ss_run_task(struct sun8i_ss_dev *ss, struct sun8i_cipher_req_ctx *rctx
const char *name)
{
int flow = rctx->flow;
+ unsigned int ivlen = rctx->ivlen;
u32 v = SS_START;
int i;
@@ -104,15 +105,14 @@ int sun8i_ss_run_task(struct sun8i_ss_dev *ss, struct sun8i_cipher_req_ctx *rctx
mutex_lock(&ss->mlock);
writel(rctx->p_key, ss->base + SS_KEY_ADR_REG);
- if (i == 0) {
- if (rctx->p_iv)
- writel(rctx->p_iv, ss->base + SS_IV_ADR_REG);
- } else {
- if (rctx->biv) {
- if (rctx->op_dir == SS_ENCRYPTION)
- writel(rctx->t_dst[i - 1].addr + rctx->t_dst[i - 1].len * 4 - rctx->ivlen, ss->base + SS_IV_ADR_REG);
+ if (ivlen) {
+ if (rctx->op_dir == SS_ENCRYPTION) {
+ if (i == 0)
+ writel(rctx->p_iv[0], ss->base + SS_IV_ADR_REG);
else
- writel(rctx->t_src[i - 1].addr + rctx->t_src[i - 1].len * 4 - rctx->ivlen, ss->base + SS_IV_ADR_REG);
+ writel(rctx->t_dst[i - 1].addr + rctx->t_dst[i - 1].len * 4 - ivlen, ss->base + SS_IV_ADR_REG);
+ } else {
+ writel(rctx->p_iv[i], ss->base + SS_IV_ADR_REG);
}
}
@@ -409,6 +409,37 @@ static struct sun8i_ss_alg_template ss_algs[] = {
}
}
},
+{ .type = CRYPTO_ALG_TYPE_AHASH,
+ .ss_algo_id = SS_ID_HASH_SHA1,
+ .alg.hash = {
+ .init = sun8i_ss_hash_init,
+ .update = sun8i_ss_hash_update,
+ .final = sun8i_ss_hash_final,
+ .finup = sun8i_ss_hash_finup,
+ .digest = sun8i_ss_hash_digest,
+ .export = sun8i_ss_hash_export,
+ .import = sun8i_ss_hash_import,
+ .setkey = sun8i_ss_hmac_setkey,
+ .halg = {
+ .digestsize = SHA1_DIGEST_SIZE,
+ .statesize = sizeof(struct sha1_state),
+ .base = {
+ .cra_name = "hmac(sha1)",
+ .cra_driver_name = "hmac-sha1-sun8i-ss",
+ .cra_priority = 300,
+ .cra_alignmask = 3,
+ .cra_flags = CRYPTO_ALG_TYPE_AHASH |
+ CRYPTO_ALG_ASYNC |
+ CRYPTO_ALG_NEED_FALLBACK,
+ .cra_blocksize = SHA1_BLOCK_SIZE,
+ .cra_ctxsize = sizeof(struct sun8i_ss_hash_tfm_ctx),
+ .cra_module = THIS_MODULE,
+ .cra_init = sun8i_ss_hash_crainit,
+ .cra_exit = sun8i_ss_hash_craexit,
+ }
+ }
+ }
+},
#endif
};
@@ -430,6 +461,17 @@ static int sun8i_ss_debugfs_show(struct seq_file *seq, void *v)
ss_algs[i].alg.skcipher.base.cra_driver_name,
ss_algs[i].alg.skcipher.base.cra_name,
ss_algs[i].stat_req, ss_algs[i].stat_fb);
+
+ seq_printf(seq, "\tLast fallback is: %s\n",
+ ss_algs[i].fbname);
+ seq_printf(seq, "\tFallback due to length: %lu\n",
+ ss_algs[i].stat_fb_len);
+ seq_printf(seq, "\tFallback due to SG length: %lu\n",
+ ss_algs[i].stat_fb_sglen);
+ seq_printf(seq, "\tFallback due to alignment: %lu\n",
+ ss_algs[i].stat_fb_align);
+ seq_printf(seq, "\tFallback due to SG numbers: %lu\n",
+ ss_algs[i].stat_fb_sgnum);
break;
case CRYPTO_ALG_TYPE_RNG:
seq_printf(seq, "%s %s reqs=%lu tsize=%lu\n",
@@ -442,6 +484,16 @@ static int sun8i_ss_debugfs_show(struct seq_file *seq, void *v)
ss_algs[i].alg.hash.halg.base.cra_driver_name,
ss_algs[i].alg.hash.halg.base.cra_name,
ss_algs[i].stat_req, ss_algs[i].stat_fb);
+ seq_printf(seq, "\tLast fallback is: %s\n",
+ ss_algs[i].fbname);
+ seq_printf(seq, "\tFallback due to length: %lu\n",
+ ss_algs[i].stat_fb_len);
+ seq_printf(seq, "\tFallback due to SG length: %lu\n",
+ ss_algs[i].stat_fb_sglen);
+ seq_printf(seq, "\tFallback due to alignment: %lu\n",
+ ss_algs[i].stat_fb_align);
+ seq_printf(seq, "\tFallback due to SG numbers: %lu\n",
+ ss_algs[i].stat_fb_sgnum);
break;
}
}
@@ -464,7 +516,7 @@ static void sun8i_ss_free_flows(struct sun8i_ss_dev *ss, int i)
*/
static int allocate_flows(struct sun8i_ss_dev *ss)
{
- int i, err;
+ int i, j, err;
ss->flows = devm_kcalloc(ss->dev, MAXFLOW, sizeof(struct sun8i_ss_flow),
GFP_KERNEL);
@@ -474,6 +526,28 @@ static int allocate_flows(struct sun8i_ss_dev *ss)
for (i = 0; i < MAXFLOW; i++) {
init_completion(&ss->flows[i].complete);
+ ss->flows[i].biv = devm_kmalloc(ss->dev, AES_BLOCK_SIZE,
+ GFP_KERNEL | GFP_DMA);
+ if (!ss->flows[i].biv)
+ goto error_engine;
+
+ for (j = 0; j < MAX_SG; j++) {
+ ss->flows[i].iv[j] = devm_kmalloc(ss->dev, AES_BLOCK_SIZE,
+ GFP_KERNEL | GFP_DMA);
+ if (!ss->flows[i].iv[j])
+ goto error_engine;
+ }
+
+ /* the padding could be up to two block. */
+ ss->flows[i].pad = devm_kmalloc(ss->dev, MAX_PAD_SIZE,
+ GFP_KERNEL | GFP_DMA);
+ if (!ss->flows[i].pad)
+ goto error_engine;
+ ss->flows[i].result = devm_kmalloc(ss->dev, SHA256_DIGEST_SIZE,
+ GFP_KERNEL | GFP_DMA);
+ if (!ss->flows[i].result)
+ goto error_engine;
+
ss->flows[i].engine = crypto_engine_alloc_init(ss->dev, true);
if (!ss->flows[i].engine) {
dev_err(ss->dev, "Cannot allocate engine\n");