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authorMario Six <mario.six@gdsys.cc>2017-01-11 15:00:50 (GMT)
committerStefan Roese <sr@denx.de>2017-02-01 08:02:57 (GMT)
commit7690be35deaeac1cb51a5f7896c2a46afabdfad3 (patch)
treedb7c33f5f0e6bc909f80159fa1431667a545a346 /include/tpm.h
parent3add68c9966e903a1a4b05acc54e4361ca81eae3 (diff)
downloadu-boot-fsl-qoriq-7690be35deaeac1cb51a5f7896c2a46afabdfad3.tar.xz
lib: tpm: Add command to flush resources
This patch adds a function to the TPM library, which allows U-Boot to flush resources, e.g. keys, from the TPM. Signed-off-by: Mario Six <mario.six@gdsys.cc> Reviewed-by: Stefan Roese <sr@denx.de> Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Stefan Roese <sr@denx.de>
Diffstat (limited to 'include/tpm.h')
-rw-r--r--include/tpm.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/include/tpm.h b/include/tpm.h
index 9a6585d..800f29c 100644
--- a/include/tpm.h
+++ b/include/tpm.h
@@ -47,6 +47,42 @@ enum tpm_nv_index {
TPM_NV_INDEX_DIR = 0x10000001,
};
+enum tpm_resource_type {
+ TPM_RT_KEY = 0x00000001,
+ TPM_RT_AUTH = 0x00000002,
+ TPM_RT_HASH = 0x00000003,
+ TPM_RT_TRANS = 0x00000004,
+ TPM_RT_CONTEXT = 0x00000005,
+ TPM_RT_COUNTER = 0x00000006,
+ TPM_RT_DELEGATE = 0x00000007,
+ TPM_RT_DAA_TPM = 0x00000008,
+ TPM_RT_DAA_V0 = 0x00000009,
+ TPM_RT_DAA_V1 = 0x0000000A,
+};
+
+enum tpm_capability_areas {
+ TPM_CAP_ORD = 0x00000001,
+ TPM_CAP_ALG = 0x00000002,
+ TPM_CAP_PID = 0x00000003,
+ TPM_CAP_FLAG = 0x00000004,
+ TPM_CAP_PROPERTY = 0x00000005,
+ TPM_CAP_VERSION = 0x00000006,
+ TPM_CAP_KEY_HANDLE = 0x00000007,
+ TPM_CAP_CHECK_LOADED = 0x00000008,
+ TPM_CAP_SYM_MODE = 0x00000009,
+ TPM_CAP_KEY_STATUS = 0x0000000C,
+ TPM_CAP_NV_LIST = 0x0000000D,
+ TPM_CAP_MFR = 0x00000010,
+ TPM_CAP_NV_INDEX = 0x00000011,
+ TPM_CAP_TRANS_ALG = 0x00000012,
+ TPM_CAP_HANDLE = 0x00000014,
+ TPM_CAP_TRANS_ES = 0x00000015,
+ TPM_CAP_AUTH_ENCRYPT = 0x00000017,
+ TPM_CAP_SELECT_SIZE = 0x00000018,
+ TPM_CAP_DA_LOGIC = 0x00000019,
+ TPM_CAP_VERSION_VAL = 0x0000001A,
+};
+
#define TPM_NV_PER_GLOBALLOCK (1U << 15)
#define TPM_NV_PER_PPWRITE (1U << 0)
#define TPM_NV_PER_READ_STCLEAR (1U << 31)
@@ -594,4 +630,13 @@ uint32_t tpm_get_permanent_flags(struct tpm_permanent_flags *pflags);
*/
uint32_t tpm_get_permissions(uint32_t index, uint32_t *perm);
+/**
+ * Flush a resource with a given handle and type from the TPM
+ *
+ * @param key_handle handle of the resource
+ * @param resource_type type of the resource
+ * @return return code of the operation
+ */
+uint32_t tpm_flush_specific(uint32_t key_handle, uint32_t resource_type);
+
#endif /* __TPM_H */