132 	struct bfin_crypto_crc_reqctx *ctx = ahash_request_ctx(req);  in bfin_crypto_crc_init()  local
135 	dev_dbg(ctx->crc->dev, "crc_init\n");  in bfin_crypto_crc_init()
144 		dev_dbg(ctx->crc->dev, "init: requested sg list is too big > %d\n",  in bfin_crypto_crc_init()
149 	ctx->crc = crc;  in bfin_crypto_crc_init()
150 	ctx->bufnext_len = 0;  in bfin_crypto_crc_init()
151 	ctx->buflast_len = 0;  in bfin_crypto_crc_init()
152 	ctx->sg_buflen = 0;  in bfin_crypto_crc_init()
153 	ctx->total = 0;  in bfin_crypto_crc_init()
154 	ctx->flag = 0;  in bfin_crypto_crc_init()
159 	dev_dbg(ctx->crc->dev, "init: digest size: %d\n",  in bfin_crypto_crc_init()
168 	struct bfin_crypto_crc_reqctx *ctx = ahash_request_ctx(crc->req);  in bfin_crypto_crc_config_dma()  local
176 	dma_map_sg(crc->dev, ctx->sg, ctx->sg_nents, DMA_TO_DEVICE);  in bfin_crypto_crc_config_dma()
178 	for_each_sg(ctx->sg, sg, ctx->sg_nents, j) {  in bfin_crypto_crc_config_dma()
182 			dma_count = sg_dma_len(sg) - ctx->bufnext_len;  in bfin_crypto_crc_config_dma()
252 	if (ctx->bufnext_len && (ctx->flag == CRC_CRYPTO_STATE_FINALUPDATE ||  in bfin_crypto_crc_config_dma()
253 		ctx->flag == CRC_CRYPTO_STATE_FINISH)) {  in bfin_crypto_crc_config_dma()
254 		crc->sg_cpu[i].start_addr = dma_map_single(crc->dev, ctx->bufnext,  in bfin_crypto_crc_config_dma()
283 	struct bfin_crypto_crc_reqctx *ctx;  in bfin_crypto_crc_handle_queue()  local
312 	ctx = ahash_request_ctx(req);  in bfin_crypto_crc_handle_queue()
313 	ctx->sg = NULL;  in bfin_crypto_crc_handle_queue()
314 	ctx->sg_buflen = 0;  in bfin_crypto_crc_handle_queue()
315 	ctx->sg_nents = 0;  in bfin_crypto_crc_handle_queue()
318 						ctx->flag, req->nbytes);  in bfin_crypto_crc_handle_queue()
320 	if (ctx->flag == CRC_CRYPTO_STATE_FINISH) {  in bfin_crypto_crc_handle_queue()
321 		if (ctx->bufnext_len == 0) {  in bfin_crypto_crc_handle_queue()
327 		memset(ctx->bufnext + ctx->bufnext_len, 0,  in bfin_crypto_crc_handle_queue()
328 				CHKSUM_DIGEST_SIZE - ctx->bufnext_len);  in bfin_crypto_crc_handle_queue()
331 		if (ctx->bufnext_len + req->nbytes < CHKSUM_DIGEST_SIZE) {  in bfin_crypto_crc_handle_queue()
332 			memcpy(ctx->bufnext + ctx->bufnext_len,  in bfin_crypto_crc_handle_queue()
334 			ctx->bufnext_len += req->nbytes;  in bfin_crypto_crc_handle_queue()
335 			if (ctx->flag == CRC_CRYPTO_STATE_FINALUPDATE &&  in bfin_crypto_crc_handle_queue()
336 				ctx->bufnext_len) {  in bfin_crypto_crc_handle_queue()
344 		if (ctx->bufnext_len) {  in bfin_crypto_crc_handle_queue()
346 			ctx->buflast_len = ctx->bufnext_len;  in bfin_crypto_crc_handle_queue()
347 			memcpy(ctx->buflast, ctx->bufnext, ctx->buflast_len);  in bfin_crypto_crc_handle_queue()
349 			nsg = ctx->sg_buflen ? 2 : 1;  in bfin_crypto_crc_handle_queue()
350 			sg_init_table(ctx->bufsl, nsg);  in bfin_crypto_crc_handle_queue()
351 			sg_set_buf(ctx->bufsl, ctx->buflast, ctx->buflast_len);  in bfin_crypto_crc_handle_queue()
353 				sg_chain(ctx->bufsl, nsg, req->src);  in bfin_crypto_crc_handle_queue()
354 			ctx->sg = ctx->bufsl;  in bfin_crypto_crc_handle_queue()
356 			ctx->sg = req->src;  in bfin_crypto_crc_handle_queue()
359 		nsg = sg_nents(ctx->sg);  in bfin_crypto_crc_handle_queue()
360 		ctx->sg_nents = nsg;  in bfin_crypto_crc_handle_queue()
361 		ctx->sg_buflen = ctx->buflast_len + req->nbytes;  in bfin_crypto_crc_handle_queue()
362 		ctx->bufnext_len = ctx->sg_buflen % 4;  in bfin_crypto_crc_handle_queue()
363 		ctx->sg_buflen &= ~0x3;  in bfin_crypto_crc_handle_queue()
365 		if (ctx->bufnext_len) {  in bfin_crypto_crc_handle_queue()
367 			memset(ctx->bufnext, 0, CHKSUM_DIGEST_SIZE);  in bfin_crypto_crc_handle_queue()
368 			nextlen = ctx->bufnext_len;  in bfin_crypto_crc_handle_queue()
370 				sg = sg_get(ctx->sg, nsg, i);  in bfin_crypto_crc_handle_queue()
372 				memcpy(ctx->bufnext + nextlen - j,  in bfin_crypto_crc_handle_queue()
375 					ctx->sg_nents--;  in bfin_crypto_crc_handle_queue()
384 	if (ctx->bufnext_len && (ctx->flag == CRC_CRYPTO_STATE_FINALUPDATE ||  in bfin_crypto_crc_handle_queue()
385 		ctx->flag == CRC_CRYPTO_STATE_FINISH))  in bfin_crypto_crc_handle_queue()
386 		ctx->sg_buflen += CHKSUM_DIGEST_SIZE;  in bfin_crypto_crc_handle_queue()
389 	writel(ctx->sg_buflen >> 2, &crc->regs->datacnt);  in bfin_crypto_crc_handle_queue()
403 	struct bfin_crypto_crc_reqctx *ctx = ahash_request_ctx(req);  in bfin_crypto_crc_update()  local
408 	dev_dbg(ctx->crc->dev, "crc_update\n");  in bfin_crypto_crc_update()
409 	ctx->total += req->nbytes;  in bfin_crypto_crc_update()
410 	ctx->flag = CRC_CRYPTO_STATE_UPDATE;  in bfin_crypto_crc_update()
412 	return bfin_crypto_crc_handle_queue(ctx->crc, req);  in bfin_crypto_crc_update()
419 	struct bfin_crypto_crc_reqctx *ctx = ahash_request_ctx(req);  in bfin_crypto_crc_final()  local
421 	dev_dbg(ctx->crc->dev, "crc_final\n");  in bfin_crypto_crc_final()
422 	ctx->flag = CRC_CRYPTO_STATE_FINISH;  in bfin_crypto_crc_final()
425 	return bfin_crypto_crc_handle_queue(ctx->crc, req);  in bfin_crypto_crc_final()
432 	struct bfin_crypto_crc_reqctx *ctx = ahash_request_ctx(req);  in bfin_crypto_crc_finup()  local
434 	dev_dbg(ctx->crc->dev, "crc_finishupdate\n");  in bfin_crypto_crc_finup()
435 	ctx->total += req->nbytes;  in bfin_crypto_crc_finup()
436 	ctx->flag = CRC_CRYPTO_STATE_FINALUPDATE;  in bfin_crypto_crc_finup()
439 	return bfin_crypto_crc_handle_queue(ctx->crc, req);  in bfin_crypto_crc_finup()