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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/crypto/ccp/ccp-ops.c
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@@ -1,19 +1,16 @@
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+// SPDX-License-Identifier: GPL-2.0-only
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 /*
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  * AMD Cryptographic Coprocessor (CCP) driver
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  *
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- * Copyright (C) 2013,2017 Advanced Micro Devices, Inc.
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+ * Copyright (C) 2013-2019 Advanced Micro Devices, Inc.
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  *
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  * Author: Tom Lendacky <thomas.lendacky@amd.com>
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  * Author: Gary R Hook <gary.hook@amd.com>
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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  */
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+#include <linux/dma-mapping.h>
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 #include <linux/module.h>
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 #include <linux/kernel.h>
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-#include <linux/pci.h>
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 #include <linux/interrupt.h>
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 #include <crypto/scatterwalk.h>
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 #include <crypto/des.h>
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@@ -168,14 +165,13 @@
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 	if (len <= CCP_DMAPOOL_MAX_SIZE) {
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 		wa->dma_pool = cmd_q->dma_pool;
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-		wa->address = dma_pool_alloc(wa->dma_pool, GFP_KERNEL,
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+		wa->address = dma_pool_zalloc(wa->dma_pool, GFP_KERNEL,
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 					     &wa->dma.address);
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 		if (!wa->address)
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 			return -ENOMEM;
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 		wa->dma.length = CCP_DMAPOOL_MAX_SIZE;
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-		memset(wa->address, 0, CCP_DMAPOOL_MAX_SIZE);
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 	} else {
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 		wa->address = kzalloc(len, GFP_KERNEL);
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 		if (!wa->address)
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@@ -637,13 +633,12 @@
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 	struct ccp_data src, dst;
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 	struct ccp_data aad;
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 	struct ccp_op op;
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-
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-	unsigned long long *final;
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 	unsigned int dm_offset;
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 	unsigned int authsize;
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 	unsigned int jobid;
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 	unsigned int ilen;
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 	bool in_place = true; /* Default value */
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+	__be64 *final;
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 	int ret;
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 	struct scatterlist *p_inp, sg_inp[2];
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@@ -845,7 +840,7 @@
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 				   DMA_BIDIRECTIONAL);
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 	if (ret)
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 		goto e_dst;
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-	final = (unsigned long long *) final_wa.address;
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+	final = (__be64 *)final_wa.address;
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 	final[0] = cpu_to_be64(aes->aad_len * 8);
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 	final[1] = cpu_to_be64(ilen * 8);
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846
 
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@@ -931,8 +926,7 @@
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 		return -EINVAL;
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 	if (((aes->mode == CCP_AES_MODE_ECB) ||
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-	     (aes->mode == CCP_AES_MODE_CBC) ||
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-	     (aes->mode == CCP_AES_MODE_CFB)) &&
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+	     (aes->mode == CCP_AES_MODE_CBC)) &&
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 	    (aes->src_len & (AES_BLOCK_SIZE - 1)))
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 		return -EINVAL;
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@@ -1331,7 +1325,6 @@
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 			return -EINVAL;
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 	}
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-	ret = -EIO;
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 	/* Zero out all the fields of the command desc */
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 	memset(&op, 0, sizeof(op));
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