Signed-off-by: Kevin O'Connor kevin@koconnor.net ---
The tcgbios.h file is pretty big - it would be great if we could separate out the SeaBIOS specific parts from the definitions that are part of the standard.
--- src/hw/tpm_drivers.c | 4 +- src/{tcgbios.h => std/tcg.h} | 29 +--- src/tcgbios.c | 20 ++- src/tcgbios.h | 351 ------------------------------------------- 4 files changed, 14 insertions(+), 390 deletions(-) copy src/{tcgbios.h => std/tcg.h} (93%)
diff --git a/src/hw/tpm_drivers.c b/src/hw/tpm_drivers.c index 444eac3..b5cde00 100644 --- a/src/hw/tpm_drivers.c +++ b/src/hw/tpm_drivers.c @@ -8,11 +8,11 @@ // This file may be distributed under the terms of the GNU LGPLv3 license.
#include "config.h" // CONFIG_TPM_TIS_SHA1THRESHOLD +#include "hw/tpm_drivers.h" // struct tpm_driver +#include "std/tcg.h" // TCG_NO_RESPONSE #include "string.h" // memcpy #include "util.h" // msleep #include "x86.h" // readl -#include "hw/tpm_drivers.h" // struct tpm_driver -#include "tcgbios.h" // TCG_*
static const u32 tis_default_timeouts[4] = { TIS_DEFAULT_TIMEOUT_A, diff --git a/src/tcgbios.h b/src/std/tcg.h similarity index 93% copy from src/tcgbios.h copy to src/std/tcg.h index 2b0b65d..464d494 100644 --- a/src/tcgbios.h +++ b/src/std/tcg.h @@ -1,5 +1,5 @@ -#ifndef TCGBIOS_H -#define TCGBIOS_H +#ifndef STD_TCG_H +#define STD_TCG_H
#include "types.h"
@@ -99,19 +99,8 @@ enum irq_ids { #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; - const void *data; -}; - - /* Input and Output blocks for the TCG BIOS commands */
struct hleei_short @@ -361,16 +350,4 @@ enum ipltype { 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 */ +#endif // tcg.h diff --git a/src/tcgbios.c b/src/tcgbios.c index c4e3b5e..9ae075a 100644 --- a/src/tcgbios.c +++ b/src/tcgbios.c @@ -9,22 +9,20 @@ // // This file may be distributed under the terms of the GNU LGPLv3 license.
- -#include "config.h" - -#include "types.h" +#include "bregs.h" // struct bregs #include "byteorder.h" // cpu_to_* -#include "hw/tpm_drivers.h" // tpm_drivers[] +#include "config.h" // CONFIG_TCGBIOS #include "farptr.h" // MAKE_FLATPTR +#include "fw/paravirt.h" // runningOnXen +#include "hw/tpm_drivers.h" // tpm_drivers[] +#include "output.h" // dprintf +#include "sha1.h" // sha1 +#include "std/acpi.h" // RSDP_SIGNATURE, rsdt_descriptor +#include "std/smbios.h" // struct smbios_entry_point +#include "std/tcg.h" // TCG_PC_LOGOVERFLOW #include "string.h" // checksum #include "tcgbios.h"// tpm_*, prototypes #include "util.h" // printf, get_keystroke -#include "output.h" // dprintf -#include "std/acpi.h" // RSDP_SIGNATURE, rsdt_descriptor -#include "bregs.h" // struct bregs -#include "sha1.h" // sha1 -#include "fw/paravirt.h" // runningOnXen -#include "std/smbios.h"
static const u8 Startup_ST_CLEAR[] = { 0x00, TPM_ST_CLEAR }; static const u8 Startup_ST_STATE[] = { 0x00, TPM_ST_STATE }; diff --git a/src/tcgbios.h b/src/tcgbios.h index 2b0b65d..0f9d5c3 100644 --- a/src/tcgbios.h +++ b/src/tcgbios.h @@ -3,365 +3,14 @@
#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_SetTempDeactivated 0x00000073 -#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; const 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);