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-rw-r--r--include/linux/tpm.h26
1 files changed, 26 insertions, 0 deletions
diff --git a/include/linux/tpm.h b/include/linux/tpm.h
index 81b5a70ff80d..31c2065fcd35 100644
--- a/include/linux/tpm.h
+++ b/include/linux/tpm.h
@@ -275,6 +275,7 @@ enum tpm2_command_codes {
TPM2_CC_CONTEXT_LOAD = 0x0161,
TPM2_CC_CONTEXT_SAVE = 0x0162,
TPM2_CC_FLUSH_CONTEXT = 0x0165,
+ TPM2_CC_READ_PUBLIC = 0x0173,
TPM2_CC_START_AUTH_SESS = 0x0176,
TPM2_CC_VERIFY_SIGNATURE = 0x0177,
TPM2_CC_GET_CAPABILITY = 0x017A,
@@ -292,6 +293,21 @@ enum tpm2_permanent_handles {
TPM2_RS_PW = 0x40000009,
};
+/* Most Significant Octet for key types */
+enum tpm2_mso_type {
+ TPM2_MSO_NVRAM = 0x01,
+ TPM2_MSO_SESSION = 0x02,
+ TPM2_MSO_POLICY = 0x03,
+ TPM2_MSO_PERMANENT = 0x40,
+ TPM2_MSO_VOLATILE = 0x80,
+ TPM2_MSO_PERSISTENT = 0x81,
+};
+
+static inline enum tpm2_mso_type tpm2_handle_mso(u32 handle)
+{
+ return handle >> 24;
+}
+
enum tpm2_capabilities {
TPM2_CAP_HANDLES = 1,
TPM2_CAP_COMMANDS = 2,
@@ -492,6 +508,8 @@ static inline void tpm_buf_append_empty_auth(struct tpm_buf *buf, u32 handle)
#ifdef CONFIG_TCG_TPM2_HMAC
int tpm2_start_auth_session(struct tpm_chip *chip);
+void tpm_buf_append_name(struct tpm_chip *chip, struct tpm_buf *buf,
+ u32 handle, u8 *name);
void tpm2_end_auth_session(struct tpm_chip *chip);
#else
static inline int tpm2_start_auth_session(struct tpm_chip *chip)
@@ -501,6 +519,14 @@ static inline int tpm2_start_auth_session(struct tpm_chip *chip)
static inline void tpm2_end_auth_session(struct tpm_chip *chip)
{
}
+static inline void tpm_buf_append_name(struct tpm_chip *chip,
+ struct tpm_buf *buf,
+ u32 handle, u8 *name)
+{
+ tpm_buf_append_u32(buf, handle);
+ /* count the number of handles in the upper bits of flags */
+ buf->handles++;
+}
#endif /* CONFIG_TCG_TPM2_HMAC */
#endif