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Commit 0c5c6c4b authored by Uri Simchoni's avatar Uri Simchoni Committed by Herbert Xu
Browse files

crypto: mv_cesa - Support processing of data from previous requests 



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

Signed-off-by: default avatarUri Simchoni <uri@jdland.co.il>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent f0d03dea

drivers/crypto/mv_cesa.c

+5 −3
Original line number Original line Diff line number Diff line
@@ -184,10 +184,11 @@ static void copy_src_to_buf(struct req_progress *p, char *dbuf, int len) 
static void setup_data_in(void)

static void setup_data_in(void)

{

{

	struct req_progress *p = &cpg->p;

	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);

	    min(p->hw_nbytes - p->hw_processed_bytes, cpg->max_req_size);

	copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START,

	copy_src_to_buf(p, cpg->sram + SRAM_DATA_IN_START + p->crypt_len,

			p->crypt_len);

			data_in_sram - p->crypt_len);

	p->crypt_len = data_in_sram;

}

}





static void mv_process_current_q(int first_block)

static void mv_process_current_q(int first_block)
@@ -298,6 +299,7 @@ static void dequeue_complete_req(void) 
		} while (need_copy_len > 0);

		} while (need_copy_len > 0);

	}

	}





	cpg->p.crypt_len = 0;





	BUG_ON(cpg->eng_st != ENGINE_W_DEQUEUE);

	BUG_ON(cpg->eng_st != ENGINE_W_DEQUEUE);

	if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {

	if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {