[RFC PATCH 1/2] tpm: add some algorithm and constant definitions from the TPM spec

[Ignat Korchagin]

In preparation for implementing TPM derived keys we need to use some new TPM
functionality in the kernel, so add relevant constant definitions.

Signed-off-by: Ignat Korchagin <ig...@cloudflare.com>
---
 include/linux/tpm.h | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/include/linux/tpm.h b/include/linux/tpm.h
index 4ee9d13749ad..5be0808b1b91 100644
--- a/include/linux/tpm.h
+++ b/include/linux/tpm.h
@@ -35,6 +35,7 @@ struct trusted_key_options;
 enum tpm_algorithms {
        TPM_ALG_ERROR           = 0x0000,
        TPM_ALG_SHA1            = 0x0004,
+       TPM_ALG_HMAC            = 0x0005,
        TPM_ALG_KEYEDHASH       = 0x0008,
        TPM_ALG_SHA256          = 0x000B,
        TPM_ALG_SHA384          = 0x000C,
@@ -209,6 +210,7 @@ enum tpm2_return_codes {
        TPM2_RC_DISABLED        = 0x0120,
        TPM2_RC_UPGRADE         = 0x012D,
        TPM2_RC_COMMAND_CODE    = 0x0143,
+       TPM2_RC_OBJECT_MEMORY   = 0x0902,
        TPM2_RC_TESTING         = 0x090A, /* RC_WARN */
        TPM2_RC_REFERENCE_H0    = 0x0910,
        TPM2_RC_RETRY           = 0x0922,
@@ -227,6 +229,7 @@ enum tpm2_command_codes {
        TPM2_CC_CREATE                  = 0x0153,
        TPM2_CC_LOAD                    = 0x0157,
        TPM2_CC_SEQUENCE_UPDATE         = 0x015C,
+       TPM2_CC_SIGN                    = 0x015D,
        TPM2_CC_UNSEAL                  = 0x015E,
        TPM2_CC_CONTEXT_LOAD            = 0x0161,
        TPM2_CC_CONTEXT_SAVE            = 0x0162,
@@ -234,6 +237,7 @@ enum tpm2_command_codes {
        TPM2_CC_VERIFY_SIGNATURE        = 0x0177,
        TPM2_CC_GET_CAPABILITY          = 0x017A,
        TPM2_CC_GET_RANDOM              = 0x017B,
+       TPM2_CC_HASH                    = 0x017D,
        TPM2_CC_PCR_READ                = 0x017E,
        TPM2_CC_PCR_EXTEND              = 0x0182,
        TPM2_CC_EVENT_SEQUENCE_COMPLETE = 0x0185,
@@ -243,7 +247,8 @@ enum tpm2_command_codes {
 };
 
 enum tpm2_permanent_handles {
-       TPM2_RS_PW              = 0x40000009,
+       TPM2_RH_OWNER = 0x40000001,
+       TPM2_RS_PW    = 0x40000009,
 };
 
 enum tpm2_capabilities {
@@ -312,9 +317,12 @@ struct tpm_buf {
 };
 
 enum tpm2_object_attributes {
-       TPM2_OA_FIXED_TPM               = BIT(1),
-       TPM2_OA_FIXED_PARENT            = BIT(4),
-       TPM2_OA_USER_WITH_AUTH          = BIT(6),
+       TPM2_OA_FIXED_TPM               = BIT(1),
+       TPM2_OA_FIXED_PARENT            = BIT(4),
+       TPM2_OA_SENSITIVE_DATA_ORIGIN   = BIT(5),
+       TPM2_OA_USER_WITH_AUTH          = BIT(6),
+       TPM2_OA_RESTRICTED              = BIT(16),
+       TPM2_OA_SIGN                    = BIT(18),
 };
 
 enum tpm2_session_attributes {
-- 
2.39.2