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| author |   Antoine Tenart <antoine.tenart@bootlin.com> | 2018-06-28 17:15:35 +0200 |
|---|---|---|
| committer |   Herbert Xu <herbert@gondor.apana.org.au> | 2018-07-09 00:30:11 +0800 |
| commit | 53c83e915ce8b2fdd7c4e143966a105c96454647 (patch) | |
| tree | 4f16b7f0425ea5f6de4f7e9d174187f2188e25ba /drivers/crypto/inside-secure/safexcel_hash.c | |
| parent | crypto: inside-secure - filter out the algorithms by engine (diff) | |
| download | linux-dev-53c83e915ce8b2fdd7c4e143966a105c96454647.tar.xz linux-dev-53c83e915ce8b2fdd7c4e143966a105c96454647.zip | |
crypto: inside-secure - add an invalidation flag
Add a flags field in the private structure, and a first flag for engines
needing context invalidation (currently only the eip197b). The
invalidation is needed when the engine includes a TRC cache, which will
also be true for the upcoming addition of the eip197d engine.
Suggested-by: Ofer Heifetz <oferh@marvell.com>
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to '')
| -rw-r--r-- | drivers/crypto/inside-secure/safexcel_hash.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/crypto/inside-secure/safexcel_hash.c b/drivers/crypto/inside-secure/safexcel_hash.c index 66edc1f388f1..94841df4b6bd 100644 --- a/drivers/crypto/inside-secure/safexcel_hash.c +++ b/drivers/crypto/inside-secure/safexcel_hash.c @@ -442,7 +442,7 @@ static int safexcel_handle_result(struct safexcel_crypto_priv *priv, int ring, struct safexcel_ahash_req *req = ahash_request_ctx(areq); int err; - BUG_ON(priv->version == EIP97IES && req->needs_inv); + BUG_ON(!(priv->flags & EIP197_TRC_CACHE) && req->needs_inv); if (req->needs_inv) { req->needs_inv = false; @@ -575,7 +575,7 @@ static int safexcel_ahash_enqueue(struct ahash_request *areq) req->needs_inv = false; if (ctx->base.ctxr) { - if (priv->version == EIP197B && !ctx->base.needs_inv && + if (priv->flags & EIP197_TRC_CACHE && !ctx->base.needs_inv && (req->processed[0] || req->processed[1]) && req->digest == CONTEXT_CONTROL_DIGEST_PRECOMPUTED) /* We're still setting needs_inv here, even though it is @@ -784,7 +784,7 @@ static void safexcel_ahash_cra_exit(struct crypto_tfm *tfm) if (!ctx->base.ctxr) return; - if (priv->version == EIP197B) { + if (priv->flags & EIP197_TRC_CACHE) { ret = safexcel_ahash_exit_inv(tfm); if (ret) dev_warn(priv->dev, "hash: invalidation error %d\n", ret); @@ -1005,7 +1005,7 @@ static int safexcel_hmac_alg_setkey(struct crypto_ahash *tfm, const u8 *key, if (ret) return ret; - if (priv->version == EIP197B && ctx->base.ctxr) { + if (priv->flags & EIP197_TRC_CACHE && ctx->base.ctxr) { for (i = 0; i < state_sz / sizeof(u32); i++) { if (ctx->ipad[i] != le32_to_cpu(istate.state[i]) || ctx->opad[i] != le32_to_cpu(ostate.state[i])) { |