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crypto: hisilicon/sec2 - Add pbuffer mode for SEC driver

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In the scenario of SMMU translation, the SEC performance of short messages
(<512Bytes) cannot meet our expectations. To avoid this, we reserve the
plat buffer (PBUF) memory for small packets when creating TFM.

Signed-off-by: Longfang Liu <liulongfang@huawei.com>
Signed-off-by: Zaibo Xu <xuzaibo@huawei.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Longfang Liu
2020-03-05 10:06:25 +08:00
committed by Herbert Xu
parent 2514f5595d
commit 74b58db8b7
2 changed files with 172 additions and 5 deletions
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4
drivers/crypto/hisilicon/sec2/sec.h
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@@ -11,6 +11,8 @@
/* Algorithm resource per hardware SEC queue */
struct sec_alg_res {
u8 *pbuf;
dma_addr_t pbuf_dma;
u8 *c_ivin;
dma_addr_t c_ivin_dma;
u8 *out_mac;
@@ -50,6 +52,7 @@ struct sec_req {
/* Status of the SEC request */
bool fake_busy;
bool use_pbuf;
};
/**
@@ -130,6 +133,7 @@ struct sec_ctx {
atomic_t dec_qcyclic;
enum sec_alg_type alg_type;
bool pbuf_supported;
struct sec_cipher_ctx c_ctx;
struct sec_auth_ctx a_ctx;
};