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crypto: mv_cesa - Support processing of data from previous requests

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Support processing of data from previous requests (as in hashing
update/final requests).

Signed-off-by: Uri Simchoni <uri@jdland.co.il>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Uri Simchoni 2010-04-08 19:33:26 +03:00 committed by Herbert Xu
parent f0d03deaad
commit 0c5c6c4bae
1 changed files with 5 additions and 3 deletions
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8
drivers/crypto/mv_cesa.c
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@ -184,10 +184,11 @@ static void copy_src_to_buf(struct req_progress *p, char *dbuf, int len)
static void setup_data_in(void)
{
struct req_progress *p = &cpg->p;
p->crypt_len =
int data_in_sram =
min(p->hw_nbytes - p->hw_processed_bytes, cpg->max_req_size);
copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START,
p->crypt_len);
copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START + p->crypt_len,
data_in_sram - p->crypt_len);
p->crypt_len = data_in_sram;
}
static void mv_process_current_q(int first_block)
@ -298,6 +299,7 @@ static void dequeue_complete_req(void)
} while (need_copy_len > 0);
}
cpg->p.crypt_len = 0;
BUG_ON(cpg->eng_st != ENGINE_W_DEQUEUE);
if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {