tpm: prepare support for TPMv2.x commands

Choice between v1 and v2 compliant functions is done with the
configuration.

Create the various files that will receive TPMv2-only code on the same
scheme as for the TPMv1 code.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>

1 files changed, 128 insertions, 0 deletions

diff --git a/include/tpm-v2.h b/include/tpm-v2.h
new file mode 100644
index 0000000000..fac0808426
--- /dev/null
+++ b/include/tpm-v2.h
@@ -0,0 +1,128 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2018 Bootlin
+ * Author: Miquel Raynal <miquel.raynal@bootlin.com>
+ */
+
+#ifndef __TPM_V2_H
+#define __TPM_V2_H
+
+#include <tpm-common.h>
+
+#define TPM2_DIGEST_LEN		32
+
+/**
+ * TPM2 Structure Tags for command/response buffers.
+ *
+ * @TPM2_ST_NO_SESSIONS: the command does not need an authentication.
+ * @TPM2_ST_SESSIONS: the command needs an authentication.
+ */
+enum tpm2_structures {
+	TPM2_ST_NO_SESSIONS	= 0x8001,
+	TPM2_ST_SESSIONS	= 0x8002,
+};
+
+/**
+ * TPM2 type of boolean.
+ */
+enum tpm2_yes_no {
+	TPMI_YES		= 1,
+	TPMI_NO			= 0,
+};
+
+/**
+ * TPM2 startup values.
+ *
+ * @TPM2_SU_CLEAR: reset the internal state.
+ * @TPM2_SU_STATE: restore saved state (if any).
+ */
+enum tpm2_startup_types {
+	TPM2_SU_CLEAR		= 0x0000,
+	TPM2_SU_STATE		= 0x0001,
+};
+
+/**
+ * TPM2 permanent handles.
+ *
+ * @TPM2_RH_OWNER: refers to the 'owner' hierarchy.
+ * @TPM2_RS_PW: indicates a password.
+ * @TPM2_RH_LOCKOUT: refers to the 'lockout' hierarchy.
+ * @TPM2_RH_ENDORSEMENT: refers to the 'endorsement' hierarchy.
+ * @TPM2_RH_PLATFORM: refers to the 'platform' hierarchy.
+ */
+enum tpm2_handles {
+	TPM2_RH_OWNER		= 0x40000001,
+	TPM2_RS_PW		= 0x40000009,
+	TPM2_RH_LOCKOUT		= 0x4000000A,
+	TPM2_RH_ENDORSEMENT	= 0x4000000B,
+	TPM2_RH_PLATFORM	= 0x4000000C,
+};
+
+/**
+ * TPM2 command codes used at the beginning of a buffer, gives the command.
+ *
+ * @TPM2_CC_STARTUP: TPM2_Startup().
+ * @TPM2_CC_SELF_TEST: TPM2_SelfTest().
+ * @TPM2_CC_CLEAR: TPM2_Clear().
+ * @TPM2_CC_CLEARCONTROL: TPM2_ClearControl().
+ * @TPM2_CC_HIERCHANGEAUTH: TPM2_HierarchyChangeAuth().
+ * @TPM2_CC_PCR_SETAUTHPOL: TPM2_PCR_SetAuthPolicy().
+ * @TPM2_CC_DAM_RESET: TPM2_DictionaryAttackLockReset().
+ * @TPM2_CC_DAM_PARAMETERS: TPM2_DictionaryAttackParameters().
+ * @TPM2_CC_GET_CAPABILITY: TPM2_GetCapibility().
+ * @TPM2_CC_PCR_READ: TPM2_PCR_Read().
+ * @TPM2_CC_PCR_EXTEND: TPM2_PCR_Extend().
+ * @TPM2_CC_PCR_SETAUTHVAL: TPM2_PCR_SetAuthValue().
+ */
+enum tpm2_command_codes {
+	TPM2_CC_STARTUP		= 0x0144,
+	TPM2_CC_SELF_TEST	= 0x0143,
+	TPM2_CC_CLEAR		= 0x0126,
+	TPM2_CC_CLEARCONTROL	= 0x0127,
+	TPM2_CC_HIERCHANGEAUTH	= 0x0129,
+	TPM2_CC_DAM_RESET	= 0x0139,
+	TPM2_CC_DAM_PARAMETERS	= 0x013A,
+	TPM2_CC_GET_CAPABILITY	= 0x017A,
+	TPM2_CC_PCR_READ	= 0x017E,
+	TPM2_CC_PCR_EXTEND	= 0x0182,
+};
+
+/**
+ * TPM2 return codes.
+ */
+enum tpm2_return_codes {
+	TPM2_RC_SUCCESS		= 0x0000,
+	TPM2_RC_BAD_TAG		= 0x001E,
+	TPM2_RC_FMT1		= 0x0080,
+	TPM2_RC_HASH		= TPM2_RC_FMT1 + 0x0003,
+	TPM2_RC_VALUE		= TPM2_RC_FMT1 + 0x0004,
+	TPM2_RC_SIZE		= TPM2_RC_FMT1 + 0x0015,
+	TPM2_RC_BAD_AUTH	= TPM2_RC_FMT1 + 0x0022,
+	TPM2_RC_HANDLE		= TPM2_RC_FMT1 + 0x000B,
+	TPM2_RC_VER1		= 0x0100,
+	TPM2_RC_INITIALIZE	= TPM2_RC_VER1 + 0x0000,
+	TPM2_RC_FAILURE		= TPM2_RC_VER1 + 0x0001,
+	TPM2_RC_DISABLED	= TPM2_RC_VER1 + 0x0020,
+	TPM2_RC_AUTH_MISSING	= TPM2_RC_VER1 + 0x0025,
+	TPM2_RC_COMMAND_CODE	= TPM2_RC_VER1 + 0x0043,
+	TPM2_RC_AUTHSIZE	= TPM2_RC_VER1 + 0x0044,
+	TPM2_RC_AUTH_CONTEXT	= TPM2_RC_VER1 + 0x0045,
+	TPM2_RC_NEEDS_TEST	= TPM2_RC_VER1 + 0x0053,
+	TPM2_RC_WARN		= 0x0900,
+	TPM2_RC_TESTING		= TPM2_RC_WARN + 0x000A,
+	TPM2_RC_REFERENCE_H0	= TPM2_RC_WARN + 0x0010,
+	TPM2_RC_LOCKOUT		= TPM2_RC_WARN + 0x0021,
+};
+
+/**
+ * TPM2 algorithms.
+ */
+enum tpm2_algorithms {
+	TPM2_ALG_XOR		= 0x0A,
+	TPM2_ALG_SHA256		= 0x0B,
+	TPM2_ALG_SHA384		= 0x0C,
+	TPM2_ALG_SHA512		= 0x0D,
+	TPM2_ALG_NULL		= 0x10,
+};
+
+#endif /* __TPM_V2_H */