tpm: TPM 2.0 baseline support

[deliverable/linux.git] / drivers / char / tpm / tpm.h

diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index d46765b4c97e1267a57a19ed68d7f0dc7268b2dd..cc421cfde389d836e5acf5e6b0d6017b5a8b9f60 100644 (file)
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -62,6 +62,59 @@ enum tpm_duration {
 #define TPM_ERR_INVALID_POSTINIT 38
 
 #define TPM_HEADER_SIZE                10
+
+enum tpm2_const {
+       TPM2_PLATFORM_PCR       = 24,
+       TPM2_PCR_SELECT_MIN     = ((TPM2_PLATFORM_PCR + 7) / 8),
+       TPM2_TIMEOUT_A          = 750,
+       TPM2_TIMEOUT_B          = 2000,
+       TPM2_TIMEOUT_C          = 200,
+       TPM2_TIMEOUT_D          = 30,
+       TPM2_DURATION_SHORT     = 20,
+       TPM2_DURATION_MEDIUM    = 750,
+       TPM2_DURATION_LONG      = 2000,
+};
+
+enum tpm2_structures {
+       TPM2_ST_NO_SESSIONS     = 0x8001,
+       TPM2_ST_SESSIONS        = 0x8002,
+};
+
+enum tpm2_return_codes {
+       TPM2_RC_INITIALIZE      = 0x0100,
+       TPM2_RC_TESTING         = 0x090A,
+       TPM2_RC_DISABLED        = 0x0120,
+};
+
+enum tpm2_algorithms {
+       TPM2_ALG_SHA1           = 0x0004,
+};
+
+enum tpm2_command_codes {
+       TPM2_CC_FIRST           = 0x011F,
+       TPM2_CC_SELF_TEST       = 0x0143,
+       TPM2_CC_STARTUP         = 0x0144,
+       TPM2_CC_SHUTDOWN        = 0x0145,
+       TPM2_CC_GET_CAPABILITY  = 0x017A,
+       TPM2_CC_GET_RANDOM      = 0x017B,
+       TPM2_CC_PCR_READ        = 0x017E,
+       TPM2_CC_PCR_EXTEND      = 0x0182,
+       TPM2_CC_LAST            = 0x018F,
+};
+
+enum tpm2_permanent_handles {
+       TPM2_RS_PW              = 0x40000009,
+};
+
+enum tpm2_capabilities {
+       TPM2_CAP_TPM_PROPERTIES = 6,
+};
+
+enum tpm2_startup_types {
+       TPM2_SU_CLEAR   = 0x0000,
+       TPM2_SU_STATE   = 0x0001,
+};
+
 struct tpm_chip;
 
 struct tpm_vendor_specific {
@@ -99,6 +152,7 @@ struct tpm_vendor_specific {
 enum tpm_chip_flags {
        TPM_CHIP_FLAG_REGISTERED        = BIT(0),
        TPM_CHIP_FLAG_PPI               = BIT(1),
+       TPM_CHIP_FLAG_TPM2              = BIT(2),
 };
 
 struct tpm_chip {
@@ -370,3 +424,15 @@ static inline void tpm_remove_ppi(struct tpm_chip *chip)
 {
 }
 #endif
+
+int tpm2_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf);
+int tpm2_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash);
+int tpm2_get_random(struct tpm_chip *chip, u8 *out, size_t max);
+ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id,
+                       u32 *value, const char *desc);
+
+extern int tpm2_startup(struct tpm_chip *chip, u16 startup_type);
+extern int tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type);
+extern unsigned long tpm2_calc_ordinal_duration(struct tpm_chip *, u32);
+extern int tpm2_do_selftest(struct tpm_chip *chip);
+extern int tpm2_gen_interrupt(struct tpm_chip *chip, bool quiet);