Added missing tegra files.HEADmaster

1 files changed, 70 insertions, 0 deletions

diff --git a/drivers/misc/tegra-cryptodev.h b/drivers/misc/tegra-cryptodev.h
new file mode 100644
index 00000000000..ed62a52eca0
--- /dev/null
+++ b/drivers/misc/tegra-cryptodev.h
@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2010, NVIDIA Corporation.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#ifndef __TEGRA_CRYPTODEV_H
+#define __TEGRA_CRYPTODEV_H
+
+#include <crypto/aes.h>
+
+#include <asm-generic/ioctl.h>
+
+/* ioctl arg = 1 if you want to use ssk. arg = 0 to use normal key */
+#define TEGRA_CRYPTO_IOCTL_NEED_SSK     _IOWR(0x98, 100, int)
+#define TEGRA_CRYPTO_IOCTL_PROCESS_REQ  _IOWR(0x98, 101, int*)
+#define TEGRA_CRYPTO_IOCTL_SET_SEED     _IOWR(0x98, 102, int*)
+#define TEGRA_CRYPTO_IOCTL_GET_RANDOM   _IOWR(0x98, 103, int*)
+
+#define TEGRA_CRYPTO_MAX_KEY_SIZE       AES_MAX_KEY_SIZE
+#define TEGRA_CRYPTO_IV_SIZE    AES_BLOCK_SIZE
+#define DEFAULT_RNG_BLK_SZ      16
+
+/* the seed consists of 16 bytes of key + 16 bytes of init vector */
+#define TEGRA_CRYPTO_RNG_SEED_SIZE      AES_KEYSIZE_128 + DEFAULT_RNG_BLK_SZ
+#define TEGRA_CRYPTO_RNG_SIZE   SZ_16
+
+/* encrypt/decrypt operations */
+#define TEGRA_CRYPTO_ECB        BIT(0)
+#define TEGRA_CRYPTO_CBC        BIT(1)
+#define TEGRA_CRYPTO_RNG        BIT(2)
+
+/* a pointer to this struct needs to be passed to:
+ * TEGRA_CRYPTO_IOCTL_PROCESS_REQ
+ */
+struct tegra_crypt_req {
+        int op; /* e.g. TEGRA_CRYPTO_ECB */
+        bool encrypt;
+        char key[TEGRA_CRYPTO_MAX_KEY_SIZE];
+        int keylen;
+        char iv[TEGRA_CRYPTO_IV_SIZE];
+        int ivlen;
+        u8 *plaintext;
+        int plaintext_sz;
+        u8 *result;
+};
+
+/* pointer to this struct should be passed to:
+ * TEGRA_CRYPTO_IOCTL_SET_SEED
+ * TEGRA_CRYPTO_IOCTL_GET_RANDOM
+ */
+struct tegra_rng_req {
+        u8 seed[TEGRA_CRYPTO_RNG_SEED_SIZE];
+        u8 *rdata; /* random generated data */
+        int nbytes; /* random data length */
+};
+
+#endif