Series short description

index 84a652b..6b46eea 100644
@@ -146,6 +146,12 @@ static int ccp_do_sha_update(struct ahash_request *req, unsigned int nbytes,
 	case CCP_SHA_TYPE_256:
 		rctx->cmd.u.sha.ctx_len = SHA256_DIGEST_SIZE;
 		break;
+	case CCP_SHA_TYPE_384:
+		rctx->cmd.u.sha.ctx_len = SHA384_DIGEST_SIZE;
+		break;
+	case CCP_SHA_TYPE_512:
+		rctx->cmd.u.sha.ctx_len = SHA512_DIGEST_SIZE;
+		break;
 	default:
 		/* Should never get here */
 		break;

@@ -393,6 +399,22 @@ struct ccp_sha_def {
 		.digest_size	= SHA256_DIGEST_SIZE,
 		.block_size	= SHA256_BLOCK_SIZE,
 	},
+	{
+		.version	= CCP_VERSION(5, 0),
+		.name		= "sha384",
+		.drv_name	= "sha384-ccp",
+		.type		= CCP_SHA_TYPE_384,
+		.digest_size	= SHA384_DIGEST_SIZE,
+		.block_size	= SHA384_BLOCK_SIZE,
+	},
+	{
+		.version	= CCP_VERSION(5, 0),
+		.name		= "sha512",
+		.drv_name	= "sha512-ccp",
+		.type		= CCP_SHA_TYPE_512,
+		.digest_size	= SHA512_DIGEST_SIZE,
+		.block_size	= SHA512_BLOCK_SIZE,
+	},
 };
 
 static int ccp_register_hmac_alg(struct list_head *head,

index 8335b32..95cce27 100644
@@ -137,9 +137,11 @@ struct ccp_aes_cmac_exp_ctx {
 	u8 buf[AES_BLOCK_SIZE];
 };
 
-/***** SHA related defines *****/
-#define MAX_SHA_CONTEXT_SIZE	SHA256_DIGEST_SIZE
-#define MAX_SHA_BLOCK_SIZE	SHA256_BLOCK_SIZE
+/* SHA-related defines
+ * These values must be large enough to accommodate any variant
+ */
+#define MAX_SHA_CONTEXT_SIZE	SHA512_DIGEST_SIZE
+#define MAX_SHA_BLOCK_SIZE	SHA512_BLOCK_SIZE
 
 struct ccp_sha_ctx {
 	struct scatterlist opad_sg;

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index c71dd8f..90a1fbe 100644
@@ -249,6 +249,8 @@ enum ccp_sha_type {
 	CCP_SHA_TYPE_1 = 1,
 	CCP_SHA_TYPE_224,
 	CCP_SHA_TYPE_256,
+	CCP_SHA_TYPE_384,
+	CCP_SHA_TYPE_512,
 	CCP_SHA_TYPE__LAST,
 };
 

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index e0380e5..a33b8d6 100644
@@ -36,6 +36,7 @@
 /* List heads for the supported algorithms */
 static LIST_HEAD(hash_algs);
 static LIST_HEAD(cipher_algs);
+static LIST_HEAD(aead_algs);
 
 /* For any tfm, requests for that tfm must be returned on the order
  * received.  With multiple queues available, the CCP can process more

@@ -335,6 +336,10 @@ static int ccp_register_algs(void)
 		ret = ccp_register_aes_xts_algs(&cipher_algs);
 		if (ret)
 			return ret;
+
+		ret = ccp_register_aes_aeads(&aead_algs);
+		if (ret)
+			return ret;
 	}
 
 	if (!sha_disable) {

@@ -350,6 +355,7 @@ static void ccp_unregister_algs(void)
 {
 	struct ccp_crypto_ahash_alg *ahash_alg, *ahash_tmp;
 	struct ccp_crypto_ablkcipher_alg *ablk_alg, *ablk_tmp;
+	struct ccp_crypto_aead *aead_alg, *aead_tmp;
 
 	list_for_each_entry_safe(ahash_alg, ahash_tmp, &hash_algs, entry) {
 		crypto_unregister_ahash(&ahash_alg->alg);

@@ -362,6 +368,12 @@ static void ccp_unregister_algs(void)
 		list_del(&ablk_alg->entry);
 		kfree(ablk_alg);
 	}
+
+	list_for_each_entry_safe(aead_alg, aead_tmp, &aead_algs, entry) {
+		crypto_unregister_aead(&aead_alg->alg);
+		list_del(&aead_alg->entry);
+		kfree(aead_alg);
+	}
 }
 
 static int ccp_crypto_init(void)

index 95cce27..34da62d 100644
@@ -19,6 +19,8 @@
 #include <linux/ccp.h>
 #include <crypto/algapi.h>
 #include <crypto/aes.h>
+#include <crypto/internal/aead.h>
+#include <crypto/aead.h>
 #include <crypto/ctr.h>
 #include <crypto/hash.h>
 #include <crypto/sha.h>

@@ -33,6 +35,14 @@ struct ccp_crypto_ablkcipher_alg {
 	struct crypto_alg alg;
 };
 
+struct ccp_crypto_aead {
+	struct list_head entry;
+
+	u32 mode;
+
+	struct aead_alg alg;
+};
+
 struct ccp_crypto_ahash_alg {
 	struct list_head entry;
 

@@ -95,6 +105,9 @@ struct ccp_aes_req_ctx {
 	struct scatterlist iv_sg;
 	u8 iv[AES_BLOCK_SIZE];
 
+	struct scatterlist tag_sg;
+	u8 tag[AES_BLOCK_SIZE];
+
 	/* Fields used for RFC3686 requests */
 	u8 *rfc3686_info;
 	u8 rfc3686_iv[AES_BLOCK_SIZE];

@@ -212,6 +225,7 @@ struct scatterlist *ccp_crypto_sg_table_add(struct sg_table *table,
 int ccp_register_aes_algs(struct list_head *head);
 int ccp_register_aes_cmac_algs(struct list_head *head);
 int ccp_register_aes_xts_algs(struct list_head *head);
+int ccp_register_aes_aeads(struct list_head *head);
 int ccp_register_sha_algs(struct list_head *head);
 
 #endif

index d9e1876..d44a738 100644
@@ -289,6 +289,8 @@ static int ccp5_perform_aes(struct ccp_op *op)
 	CCP_AES_TYPE(&function) = op->u.aes.type;
 	if (op->u.aes.mode == CCP_AES_MODE_CFB)
 		CCP_AES_SIZE(&function) = 0x7f;
+	if ((op->u.aes.mode == CCP_AES_MODE_GCTR) && op->eom)
+		CCP_AES_SIZE(&function) = op->u.aes.size;
 
 	CCP5_CMD_FUNCTION(&desc) = function.raw;
 

index 830f35e..8f313e6 100644
@@ -466,6 +466,7 @@ struct ccp_aes_op {
 	enum ccp_aes_type type;
 	enum ccp_aes_mode mode;
 	enum ccp_aes_action action;
+	unsigned int size;
 };
 
 struct ccp_xts_aes_op {

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index 90a1fbe..6f78295 100644
@@ -123,6 +123,10 @@ enum ccp_aes_mode {
 	CCP_AES_MODE_CFB,
 	CCP_AES_MODE_CTR,
 	CCP_AES_MODE_CMAC,
+	CCP_AES_MODE_GHASH,
+	CCP_AES_MODE_GCTR,
+	CCP_AES_MODE_GCM,
+	CCP_AES_MODE_GMAC,
 	CCP_AES_MODE__LAST,
 };
 

@@ -137,6 +141,9 @@ enum ccp_aes_action {
 	CCP_AES_ACTION_ENCRYPT,
 	CCP_AES_ACTION__LAST,
 };
+/* Overloaded field */
+#define	CCP_AES_GHASHAAD	CCP_AES_ACTION_DECRYPT
+#define	CCP_AES_GHASHFINAL	CCP_AES_ACTION_ENCRYPT
 
 /**
  * struct ccp_aes_engine - CCP AES operation

@@ -181,6 +188,8 @@ struct ccp_aes_engine {
 	struct scatterlist *cmac_key;	/* K1/K2 cmac key required for
 					 * final cmac cmd */
 	u32 cmac_key_len;	/* In bytes */
+
+	u32 aad_len;		/* In bytes */
 };
 
 /***** XTS-AES engine *****/

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index a33b8d6..8dccbdd 100644
@@ -33,6 +33,10 @@
 module_param(sha_disable, uint, 0444);
 MODULE_PARM_DESC(sha_disable, "Disable use of SHA - any non-zero value");
 
+static unsigned int des3_disable;
+module_param(des3_disable, uint, 0444);
+MODULE_PARM_DESC(des3_disable, "Disable use of 3DES - any non-zero value");
+
 /* List heads for the supported algorithms */
 static LIST_HEAD(hash_algs);
 static LIST_HEAD(cipher_algs);

@@ -342,6 +346,12 @@ static int ccp_register_algs(void)
 			return ret;
 	}
 
+	if (!des3_disable) {
+		ret = ccp_register_des3_algs(&cipher_algs);
+		if (ret)
+			return ret;
+	}
+
 	if (!sha_disable) {
 		ret = ccp_register_sha_algs(&hash_algs);
 		if (ret)

index 34da62d..dd5bf15 100644
@@ -25,6 +25,8 @@
 #include <crypto/hash.h>
 #include <crypto/sha.h>
 
+#define	CCP_LOG_LEVEL	KERN_INFO
+
 #define CCP_CRA_PRIORITY	300
 
 struct ccp_crypto_ablkcipher_alg {

@@ -150,6 +152,24 @@ struct ccp_aes_cmac_exp_ctx {
 	u8 buf[AES_BLOCK_SIZE];
 };
 
+/***** 3DES related defines *****/
+struct ccp_des3_ctx {
+	enum ccp_engine engine;
+	enum ccp_des3_type type;
+	enum ccp_des3_mode mode;
+
+	struct scatterlist key_sg;
+	unsigned int key_len;
+	u8 key[AES_MAX_KEY_SIZE];
+};
+
+struct ccp_des3_req_ctx {
+	struct scatterlist iv_sg;
+	u8 iv[AES_BLOCK_SIZE];
+
+	struct ccp_cmd cmd;
+};
+
 /* SHA-related defines
  * These values must be large enough to accommodate any variant
  */

@@ -214,6 +234,7 @@ struct ccp_ctx {
 	union {
 		struct ccp_aes_ctx aes;
 		struct ccp_sha_ctx sha;
+		struct ccp_des3_ctx des3;
 	} u;
 };
 

@@ -227,5 +248,6 @@ struct scatterlist *ccp_crypto_sg_table_add(struct sg_table *table,
 int ccp_register_aes_xts_algs(struct list_head *head);
 int ccp_register_aes_aeads(struct list_head *head);
 int ccp_register_sha_algs(struct list_head *head);
+int ccp_register_des3_algs(struct list_head *head);
 
 #endif

index 7bc0998..a3689a6 100644
@@ -553,6 +553,7 @@ static irqreturn_t ccp_irq_handler(int irq, void *data)
 static const struct ccp_actions ccp3_actions = {
 	.aes = ccp_perform_aes,
 	.xts_aes = ccp_perform_xts_aes,
+	.des3 = NULL,
 	.sha = ccp_perform_sha,
 	.rsa = ccp_perform_rsa,
 	.passthru = ccp_perform_passthru,

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index 8f313e6..384a545 100644
@@ -190,6 +190,9 @@
 #define CCP_XTS_AES_KEY_SB_COUNT	1
 #define CCP_XTS_AES_CTX_SB_COUNT	1
 
+#define CCP_DES3_KEY_SB_COUNT		1
+#define CCP_DES3_CTX_SB_COUNT		1
+
 #define CCP_SHA_SB_COUNT		1
 
 #define CCP_RSA_MAX_WIDTH		4096

@@ -474,6 +477,12 @@ struct ccp_xts_aes_op {
 	enum ccp_xts_aes_unit_size unit_size;
 };
 
+struct ccp_des3_op {
+	enum ccp_des3_type type;
+	enum ccp_des3_mode mode;
+	enum ccp_des3_action action;
+};
+
 struct ccp_sha_op {
 	enum ccp_sha_type type;
 	u64 msg_bits;

@@ -511,6 +520,7 @@ struct ccp_op {
 	union {
 		struct ccp_aes_op aes;
 		struct ccp_xts_aes_op xts;
+		struct ccp_des3_op des3;
 		struct ccp_sha_op sha;
 		struct ccp_rsa_op rsa;
 		struct ccp_passthru_op passthru;

@@ -619,13 +629,13 @@ struct ccp5_desc {
 struct ccp_actions {
 	int (*aes)(struct ccp_op *);
 	int (*xts_aes)(struct ccp_op *);
+	int (*des3)(struct ccp_op *);
 	int (*sha)(struct ccp_op *);
 	int (*rsa)(struct ccp_op *);
 	int (*passthru)(struct ccp_op *);
 	int (*ecc)(struct ccp_op *);
 	u32 (*sballoc)(struct ccp_cmd_queue *, unsigned int);
-	void (*sbfree)(struct ccp_cmd_queue *, unsigned int,
-			       unsigned int);
+	void (*sbfree)(struct ccp_cmd_queue *, unsigned int, unsigned int);
 	unsigned int (*get_free_slots)(struct ccp_cmd_queue *);
 	int (*init)(struct ccp_device *);
 	void (*destroy)(struct ccp_device *);

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