#ifndef TCGBIOS_H #define TCGBIOS_H #include "types.h" /* Define for section 12.3 */ #define TCG_PC_OK 0x0 #define TCG_PC_TPMERROR 0x1 #define TCG_PC_LOGOVERFLOW 0x2 #define TCG_PC_UNSUPPORTED 0x3 #define TPM_ALG_SHA 0x4 #define TCG_MAGIC 0x41504354L #define TCG_VERSION_MAJOR 1 #define TCG_VERSION_MINOR 2 #define TPM_OK 0x0 #define TPM_RET_BASE 0x1 #define TCG_GENERAL_ERROR (TPM_RET_BASE + 0x0) #define TCG_TPM_IS_LOCKED (TPM_RET_BASE + 0x1) #define TCG_NO_RESPONSE (TPM_RET_BASE + 0x2) #define TCG_INVALID_RESPONSE (TPM_RET_BASE + 0x3) #define TCG_INVALID_ACCESS_REQUEST (TPM_RET_BASE + 0x4) #define TCG_FIRMWARE_ERROR (TPM_RET_BASE + 0x5) #define TCG_INTEGRITY_CHECK_FAILED (TPM_RET_BASE + 0x6) #define TCG_INVALID_DEVICE_ID (TPM_RET_BASE + 0x7) #define TCG_INVALID_VENDOR_ID (TPM_RET_BASE + 0x8) #define TCG_UNABLE_TO_OPEN (TPM_RET_BASE + 0x9) #define TCG_UNABLE_TO_CLOSE (TPM_RET_BASE + 0xa) #define TCG_RESPONSE_TIMEOUT (TPM_RET_BASE + 0xb) #define TCG_INVALID_COM_REQUEST (TPM_RET_BASE + 0xc) #define TCG_INVALID_ADR_REQUEST (TPM_RET_BASE + 0xd) #define TCG_WRITE_BYTE_ERROR (TPM_RET_BASE + 0xe) #define TCG_READ_BYTE_ERROR (TPM_RET_BASE + 0xf) #define TCG_BLOCK_WRITE_TIMEOUT (TPM_RET_BASE + 0x10) #define TCG_CHAR_WRITE_TIMEOUT (TPM_RET_BASE + 0x11) #define TCG_CHAR_READ_TIMEOUT (TPM_RET_BASE + 0x12) #define TCG_BLOCK_READ_TIMEOUT (TPM_RET_BASE + 0x13) #define TCG_TRANSFER_ABORT (TPM_RET_BASE + 0x14) #define TCG_INVALID_DRV_FUNCTION (TPM_RET_BASE + 0x15) #define TCG_OUTPUT_BUFFER_TOO_SHORT (TPM_RET_BASE + 0x16) #define TCG_FATAL_COM_ERROR (TPM_RET_BASE + 0x17) #define TCG_INVALID_INPUT_PARA (TPM_RET_BASE + 0x18) #define TCG_TCG_COMMAND_ERROR (TPM_RET_BASE + 0x19) #define TCG_INTERFACE_SHUTDOWN (TPM_RET_BASE + 0x20) //define TCG_PC_UNSUPPORTED (TPM_RET_BASE + 0x21) #define TCG_PC_TPM_NOT_PRESENT (TPM_RET_BASE + 0x22) #define TCG_PC_TPM_DEACTIVATED (TPM_RET_BASE + 0x23) #define TPM_ORD_SelfTestFull 0x00000050 #define TPM_ORD_ForceClear 0x0000005d #define TPM_ORD_GetCapability 0x00000065 #define TPM_ORD_PhysicalEnable 0x0000006f #define TPM_ORD_PhysicalDisable 0x00000070 #define TPM_ORD_SetOwnerInstall 0x00000071 #define TPM_ORD_PhysicalSetDeactivated 0x00000072 #define TPM_ORD_Startup 0x00000099 #define TPM_ORD_PhysicalPresence 0x4000000a #define TPM_ORD_Extend 0x00000014 #define TPM_ORD_SHA1Start 0x000000a0 #define TPM_ORD_SHA1Update 0x000000a1 #define TPM_ORD_SHA1Complete 0x000000a2 #define TSC_ORD_ResetEstablishmentBit 0x4000000b #define TPM_ST_CLEAR 0x1 #define TPM_ST_STATE 0x2 #define TPM_ST_DEACTIVATED 0x3 /* TPM command error codes */ #define TPM_INVALID_POSTINIT 0x26 #define TPM_BAD_LOCALITY 0x3d /* TPM command tags */ #define TPM_TAG_RQU_CMD 0x00c1 /* interrupt identifiers (al register) */ enum irq_ids { TCG_StatusCheck = 0, TCG_HashLogExtendEvent = 1, TCG_PassThroughToTPM = 2, TCG_ShutdownPreBootInterface = 3, TCG_HashLogEvent = 4, TCG_HashAll = 5, TCG_TSS = 6, TCG_CompactHashLogExtendEvent = 7, }; /* event types: 10.4.1 / table 11 */ #define EV_POST_CODE 1 #define EV_SEPARATOR 4 #define EV_ACTION 5 #define EV_EVENT_TAG 6 #define EV_COMPACT_HASH 12 #define EV_IPL 13 #define EV_IPL_PARTITION_DATA 14 #define STATUS_FLAG_SHUTDOWN (1 << 0) #define SHA1_BUFSIZE 20 struct iovec { size_t length; void *data; }; /* Input and Output blocks for the TCG BIOS commands */ struct hleei_short { u16 ipblength; u16 reserved; const void *hashdataptr; u32 hashdatalen; u32 pcrindex; const void *logdataptr; u32 logdatalen; } PACKED; struct hleei_long { u16 ipblength; u16 reserved; void *hashdataptr; u32 hashdatalen; u32 pcrindex; u32 reserved2; void *logdataptr; u32 logdatalen; } PACKED; struct hleeo { u16 opblength; u16 reserved; u32 eventnumber; u8 digest[SHA1_BUFSIZE]; } PACKED; struct pttti { u16 ipblength; u16 reserved; u16 opblength; u16 reserved2; u8 tpmopin[0]; } PACKED; struct pttto { u16 opblength; u16 reserved; u8 tpmopout[0]; }; struct hlei { u16 ipblength; u16 reserved; const void *hashdataptr; u32 hashdatalen; u32 pcrindex; u32 logeventtype; const void *logdataptr; u32 logdatalen; } PACKED; struct hleo { u16 opblength; u16 reserved; u32 eventnumber; } PACKED; struct hai { u16 ipblength; u16 reserved; const void *hashdataptr; u32 hashdatalen; u32 algorithmid; } PACKED; struct ti { u16 ipblength; u16 reserved; u16 opblength; u16 reserved2; u8 tssoperandin[0]; } PACKED; struct to { u16 opblength; u16 reserved; u8 tssoperandout[0]; } PACKED; struct pcpes { u32 pcrindex; u32 eventtype; u8 digest[SHA1_BUFSIZE]; u32 eventdatasize; u32 event; } PACKED; struct pcctes { u32 eventid; u32 eventdatasize; u8 digest[SHA1_BUFSIZE]; } PACKED; struct pcctes_romex { u32 eventid; u32 eventdatasize; u16 reserved; u16 pfa; u8 digest[SHA1_BUFSIZE]; } PACKED; #define TPM_REQ_HEADER \ u16 tag; \ u32 totlen; \ u32 ordinal; #define TPM_REQ_HEADER_SIZE (sizeof(u16) + sizeof(u32) + sizeof(u32)) #define TPM_RSP_HEADER \ u16 tag; \ u32 totlen; \ u32 errcode; #define TPM_RSP_HEADER_SIZE (sizeof(u16) + sizeof(u32) + sizeof(u32)) struct tpm_req_header { TPM_REQ_HEADER; } PACKED; struct tpm_rsp_header { TPM_RSP_HEADER; } PACKED; struct tpm_req_extend { TPM_REQ_HEADER u32 pcrindex; u8 digest[SHA1_BUFSIZE]; } PACKED; struct tpm_rsp_extend { TPM_RSP_HEADER u8 digest[SHA1_BUFSIZE]; } PACKED; struct tpm_req_getcap_perm_flags { TPM_REQ_HEADER u32 capArea; u32 subCapSize; u32 subCap; } PACKED; struct tpm_permanent_flags { u16 tag; u8 flags[20]; } PACKED; enum permFlagsIndex { PERM_FLAG_IDX_DISABLE = 0, PERM_FLAG_IDX_OWNERSHIP, PERM_FLAG_IDX_DEACTIVATED, PERM_FLAG_IDX_READPUBEK, PERM_FLAG_IDX_DISABLEOWNERCLEAR, PERM_FLAG_IDX_ALLOW_MAINTENANCE, PERM_FLAG_IDX_PHYSICAL_PRESENCE_LIFETIME_LOCK, PERM_FLAG_IDX_PHYSICAL_PRESENCE_HW_ENABLE, }; struct tpm_res_getcap_perm_flags { TPM_RSP_HEADER u32 size; struct tpm_permanent_flags perm_flags; } PACKED; struct tpm_res_getcap_ownerauth { TPM_RSP_HEADER u32 size; u8 flag; } PACKED; struct tpm_res_getcap_timeouts { TPM_RSP_HEADER u32 size; u32 timeouts[4]; } PACKED; struct tpm_res_getcap_durations { TPM_RSP_HEADER u32 size; u32 durations[3]; } PACKED; struct tpm_res_sha1start { TPM_RSP_HEADER u32 max_num_bytes; } PACKED; struct tpm_res_sha1complete { TPM_RSP_HEADER u8 hash[20]; } PACKED; struct pttti_extend { struct pttti pttti; struct tpm_req_extend req; } PACKED; struct pttto_extend { struct pttto pttto; struct tpm_rsp_extend rsp; } PACKED; enum ipltype { IPL_BCV = 0, IPL_EL_TORITO_1, IPL_EL_TORITO_2 }; struct bregs; void tpm_interrupt_handler32(struct bregs *regs); void tpm_setup(void); void tpm_prepboot(void); void tpm_s3_resume(void); u32 tpm_add_bcv(u32 bootdrv, const u8 *addr, u32 length); u32 tpm_add_cdrom(u32 bootdrv, const u8 *addr, u32 length); u32 tpm_add_cdrom_catalog(const u8 *addr, u32 length); u32 tpm_option_rom(const void *addr, u32 len); #endif /* TCGBIOS_H */