From a58094ac5f95d6969e5c52ff096d2fd2864542af Mon Sep 17 00:00:00 2001 From: Uri Simchoni Date: Thu, 8 Apr 2010 19:30:19 +0300 Subject: [PATCH] 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: Uri Simchoni Signed-off-by: Herbert Xu --- drivers/crypto/mv_cesa.c | 13 +++++++++---- 1 file changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/crypto/mv_cesa.c b/drivers/crypto/mv_cesa.c index 4262932..2b4f07a 100644 --- a/drivers/crypto/mv_cesa.c +++ b/drivers/crypto/mv_cesa.c @@ -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); -- 2.7.4