diff options
Diffstat (limited to 'src/drivers/tpm/tpm_ppi.h')
| -rw-r--r-- | src/drivers/tpm/tpm_ppi.h | 90 |
1 files changed, 89 insertions, 1 deletions
diff --git a/src/drivers/tpm/tpm_ppi.h b/src/drivers/tpm/tpm_ppi.h index 7662386575..4d468ba84d 100644 --- a/src/drivers/tpm/tpm_ppi.h +++ b/src/drivers/tpm/tpm_ppi.h @@ -4,6 +4,7 @@ #define _TPM_PPI_H_ #include <device/device.h> +#include <boot/coreboot_tables.h> #if CONFIG(HAVE_ACPI_TABLES) void tpm_ppi_acpi_fill_ssdt(const struct device *dev); @@ -13,7 +14,6 @@ static inline void tpm_ppi_acpi_fill_ssdt(const struct device *dev) } #endif - /* Return codes */ /* Function 2 */ #define PPI2_RET_SUCCESS 0 @@ -55,4 +55,92 @@ static inline void tpm_ppi_acpi_fill_ssdt(const struct device *dev) /* TCG Memory Clear Interface */ #define TPM_MCI_UUID "376054ed-cc13-4675-901c-4756d7f2d45d" +/* + * Physical Presence Interface Specification Version 1.30 Revision 00.52 + * Table 1 Physical Presence Interface Operation Summary for TPM 1.2 + */ +#define TPM_NOOP 0 +#define TPM_ENABLE 1 +#define TPM_DISABLE 2 +#define TPM_ACTIVATE 3 +#define TPM_DEACTIVATE 4 +#define TPM_CLEAR 5 +#define TPM_ENABLE_ACTIVATE 6 +#define TPM_DEACTIVATE_DISABLE 7 +#define TPM_SETOWNERINSTALL_TRUE 8 +#define TPM_SETOWNERINSTALL_FALSE 9 +#define TPM_ENABLE_ACTIVATE_SETOWNERINSTALL_TRUE 10 +#define TPM_SETOWNERINSTALL_FALSE_DEACTIVATE_DISABLE 11 +#define TPM_CLEAR_ENABLE_ACTIVATE 14 +#define TPM_SET_NOPPIPROVISION_FALSE 15 +#define TPM_SET_NOPPIPROVISION_TRUE 16 +#define TPM_SET_NOPPICLEAR_FALSE 17 +#define TPM_SET_NOPPICLEAR_TRUE 18 +#define TPM_SET_NOPPIMAINTAINANCE_FALSE 19 +#define TPM_SET_NOPPIMAINTAINANCE_TRUE 20 +#define TPM_ENABLE_ACTIVE_CLEAR 21 +#define TPM_ENABLE_ACTIVE_CLEAR_ENABLE_ACTIVE 22 + +/* + * Physical Presence Interface Specification Version 1.30 Revision 00.52 + * Table 2 Physical Presence Interface Operation Summary for TPM 2.0 + */ +#define TPM2_NOOP 0 +#define TPM2_ENABLE 1 +#define TPM2_DISABLE 2 +#define TPM2_CLEAR 5 +#define TPM2_CLEAR_ENABLE_ACTIVE 14 +#define TPM2_SET_PP_REQUIRED_FOR_CLEAR_TRUE 17 +#define TPM2_SET_PP_REQUIRED_FOR_CLEAR_FALSE 18 +#define TPM2_ENABLE_CLEAR 21 +#define TPM2_ENABLE_CLEAR2 22 +#define TPM2_SET_PCR_BANKS 23 +#define TPM2_CHANGE_EPS 24 +#define TPM2_SET_PP_REQUIRED_FOR_CHANGE_PCRS_FALSE 25 +#define TPM2_SET_PP_REQUIRED_FOR_CHANGE_PCRS_TRUE 26 +#define TPM2_SET_PP_REQUIRED_FOR_TURN_ON_FALSE 27 +#define TPM2_SET_PP_REQUIRED_FOR_TURN_ON_TRUE 28 +#define TPM2_SET_PP_REQUIRED_FOR_TURN_OFF_FALSE 29 +#define TPM2_SET_PP_REQUIRED_FOR_TURN_OFF_TRUE 30 +#define TPM2_SET_PP_REQUIRED_FOR_CHANGE_EPS_FALSE 31 +#define TPM2_SET_PP_REQUIRED_FOR_CHANGE_EPS_TRUE 32 +#define TPM2_LOG_ALL_DIGEST 33 +#define TPM2_DISABLE_ENDORSMENT_ENABLE_STORAGE_HISTORY 34 +#define TPM2_ENABLE_BLOCK_SID 96 +#define TPM2_DISABLE_BLOCK_SID 97 +#define TPM2_SET_PP_REQUIRED_FOR_ENABLE_BLOCK_SID_TRUE 98 +#define TPM2_SET_PP_REQUIRED_FOR_ENABLE_BLOCK_SID_FALSE 99 +#define TPM2_SET_PP_REQUIRED_FOR_DISABLE_BLOCK_SID_TRUE 100 +#define TPM2_SET_PP_REQUIRED_FOR_DISABLE_BLOCK_SID_FALSE 101 + +#define VENDOR_SPECIFIC_OFFSET 0x80 + + /* + * The layout of the buffer matches the QEMU virtual memory device that is generated + * by QEMU. See files 'hw/i386/acpi-build.c' and 'include/hw/acpi/tpm.h' for details. + */ +struct cb_tpm_ppi_payload_handshake { + uint8_t func[256]; /* Firmware sets values for each supported operation. + * See defined values below. */ + uint8_t ppin; /* SMI interrupt to use. Set by firmware. + * Not supported. */ + uint32_t ppip; /* ACPI function index to pass to SMM code. + * Set by ACPI. Not supported. */ + uint32_t pprp; /* Result of last executed operation. + * Set by firmware. See function index 5 for values. */ + uint32_t pprq; /* Operation request number to execute. + * See 'Physical Presence Interface Operation Summary' + * tables in specs. Set by ACPI. */ + uint32_t pprm; /* Operation request optional parameter. + * Values depend on operation. Set by ACPI. */ + uint32_t lppr; /* Last executed operation request number. + * Copied from pprq field by firmware. */ + uint32_t fret; /* Result code from SMM function. Not supported. */ + uint8_t res1[0x040]; /* Reserved */ + uint8_t next_step; /* Operation to execute after reboot by firmware. + * Used by firmware. */ +} __packed; + +void lb_tpm_ppi(struct lb_header *header); + #endif /* _TPM_PPI_H_ */ |