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Commit a58094ac authored by Uri Simchoni's avatar Uri Simchoni Committed by Herbert Xu
Browse files

crypto: mv_cesa - Execute some code via function pointers rathr than direct calls 



Execute some code via function pointers rathr than direct calls
(to allow customization in the hashing request)

Signed-off-by: default avatarUri Simchoni <uri@jdland.co.il>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent 7a5f691e

drivers/crypto/mv_cesa.c

+9 −4
Original line number Diff line number Diff line
@@ -51,6 +51,8 @@ enum engine_status { 
struct req_progress {

	struct sg_mapping_iter src_sg_it;

	struct sg_mapping_iter dst_sg_it;

	void (*complete) (void);

	void (*process) (int is_first);



	/* src mostly */

	int sg_src_left;
@@ -251,6 +253,9 @@ static void mv_crypto_algo_completion(void) 
	struct ablkcipher_request *req = ablkcipher_request_cast(cpg->cur_req);

	struct mv_req_ctx *req_ctx = ablkcipher_request_ctx(req);



	sg_miter_stop(&cpg->p.src_sg_it);

	sg_miter_stop(&cpg->p.dst_sg_it);



	if (req_ctx->op != COP_AES_CBC)

		return ;
@@ -294,11 +299,9 @@ static void dequeue_complete_req(void) 
	if (cpg->p.hw_processed_bytes < cpg->p.hw_nbytes) {

		/* process next scatter list entry */

		cpg->eng_st = ENGINE_BUSY;

		mv_process_current_q(0);

		cpg->p.process(0);

	} else {

		sg_miter_stop(&cpg->p.src_sg_it);

		sg_miter_stop(&cpg->p.dst_sg_it);

		mv_crypto_algo_completion();

		cpg->p.complete();

		cpg->eng_st = ENGINE_IDLE;

		local_bh_disable();

		req->complete(req, 0);
@@ -331,6 +334,8 @@ static void mv_enqueue_new_req(struct ablkcipher_request *req) 
	cpg->cur_req = &req->base;

	memset(p, 0, sizeof(struct req_progress));

	p->hw_nbytes = req->nbytes;

	p->complete = mv_crypto_algo_completion;

	p->process = mv_process_current_q;



	num_sgs = count_sgs(req->src, req->nbytes);

	sg_miter_start(&p->src_sg_it, req->src, num_sgs, SG_MITER_FROM_SG);