crypto/xilinx/zynqmp-sha.c

1 // SPDX-License-Identifier: GPL-2.0
3  * Xilinx ZynqMP SHA Driver.
12 #include <linux/dma-mapping.h>
13 #include <linux/firmware/xlnx-zynqmp.h>
24 	ZYNQMP_SHA3_INIT = 1,
55 	tfm_ctx->dev = drv_ctx->dev;  in zynqmp_sha_init_tfm()
63 	tfm_ctx->fbk_tfm = fallback_tfm;  in zynqmp_sha_init_tfm()
64 	hash->descsize += crypto_shash_descsize(tfm_ctx->fbk_tfm);  in zynqmp_sha_init_tfm()
73 	if (tfm_ctx->fbk_tfm) {  in zynqmp_sha_exit_tfm()
74 		crypto_free_shash(tfm_ctx->fbk_tfm);  in zynqmp_sha_exit_tfm()
75 		tfm_ctx->fbk_tfm = NULL;  in zynqmp_sha_exit_tfm()
84 	struct zynqmp_sha_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);  in zynqmp_sha_init()
86 	dctx->fbk_req.tfm = tctx->fbk_tfm;  in zynqmp_sha_init()
87 	return crypto_shash_init(&dctx->fbk_req);  in zynqmp_sha_init()
94 	return crypto_shash_update(&dctx->fbk_req, data, length);  in zynqmp_sha_update()
101 	return crypto_shash_final(&dctx->fbk_req, out);  in zynqmp_sha_final()
108 	return crypto_shash_finup(&dctx->fbk_req, data, length, out);  in zynqmp_sha_finup()
114 	struct zynqmp_sha_tfm_ctx *tctx = crypto_shash_ctx(desc->tfm);  in zynqmp_sha_import()
116 	dctx->fbk_req.tfm = tctx->fbk_tfm;  in zynqmp_sha_import()
117 	return crypto_shash_import(&dctx->fbk_req, in);  in zynqmp_sha_import()
124 	return crypto_shash_export(&dctx->fbk_req, out);  in zynqmp_sha_export()
141 			remaining_len -= ZYNQMP_DMA_ALLOC_FIXED_SIZE;  in zynqmp_sha_digest()
177 			.cra_name = "sha3-384",
178 			.cra_driver_name = "zynqmp-sha3-384",
192 	struct device *dev = &pdev->dev;  in zynqmp_sha_probe()
204 		dev_err(dev, "No usable DMA configuration\n");  in zynqmp_sha_probe()
219 		err = -ENOMEM;  in zynqmp_sha_probe()
225 		err = -ENOMEM;  in zynqmp_sha_probe()
253 		.name = "zynqmp-sha3-384",
258 MODULE_DESCRIPTION("ZynqMP SHA3 hardware acceleration support.");