diff options
Diffstat (limited to 'backends')
| -rw-r--r-- | backends/tpm/tpm_ioctl.h | 96 |
1 files changed, 76 insertions, 20 deletions
diff --git a/backends/tpm/tpm_ioctl.h b/backends/tpm/tpm_ioctl.h index d67bf0283b..e506ef5160 100644 --- a/backends/tpm/tpm_ioctl.h +++ b/backends/tpm/tpm_ioctl.h @@ -5,10 +5,15 @@ * * This file is licensed under the terms of the 3-clause BSD license */ +#ifndef _TPM_IOCTL_H_ +#define _TPM_IOCTL_H_ -#ifndef TPM_IOCTL_H -#define TPM_IOCTL_H +#if defined(__CYGWIN__) +# define __USE_LINUX_IOCTL_DEFS +#endif +#include <stdint.h> +#include <sys/types.h> #ifndef _WIN32 #include <sys/uio.h> #include <sys/ioctl.h> @@ -196,6 +201,48 @@ struct ptm_setbuffersize { } u; }; +#define PTM_GETINFO_SIZE (3 * 1024) +/* + * PTM_GET_INFO: Get info about the TPM implementation (from libtpms) + * + * This request allows to indirectly call TPMLIB_GetInfo(flags) and + * retrieve information from libtpms. + * Only one transaction is currently necessary for returning results + * to a client. Therefore, totlength and length will be the same if + * offset is 0. + */ +struct ptm_getinfo { + union { + struct { + uint64_t flags; + uint32_t offset; /* offset from where to read */ + uint32_t pad; /* 32 bit arch */ + } req; /* request */ + struct { + ptm_res tpm_result; + uint32_t totlength; + uint32_t length; + char buffer[PTM_GETINFO_SIZE]; + } resp; /* response */ + } u; +}; + +#define SWTPM_INFO_TPMSPECIFICATION ((uint64_t)1 << 0) +#define SWTPM_INFO_TPMATTRIBUTES ((uint64_t)1 << 1) + +/* + * PTM_LOCK_STORAGE: Lock the storage and retry n times + */ +struct ptm_lockstorage { + union { + struct { + uint32_t retries; /* number of retries */ + } req; /* request */ + struct { + ptm_res tpm_result; + } resp; /* reponse */ + } u; +}; typedef uint64_t ptm_cap; typedef struct ptm_est ptm_est; @@ -207,6 +254,8 @@ typedef struct ptm_getstate ptm_getstate; typedef struct ptm_setstate ptm_setstate; typedef struct ptm_getconfig ptm_getconfig; typedef struct ptm_setbuffersize ptm_setbuffersize; +typedef struct ptm_getinfo ptm_getinfo; +typedef struct ptm_lockstorage ptm_lockstorage; /* capability flags returned by PTM_GET_CAPABILITY */ #define PTM_CAP_INIT (1) @@ -223,6 +272,9 @@ typedef struct ptm_setbuffersize ptm_setbuffersize; #define PTM_CAP_GET_CONFIG (1 << 11) #define PTM_CAP_SET_DATAFD (1 << 12) #define PTM_CAP_SET_BUFFERSIZE (1 << 13) +#define PTM_CAP_GET_INFO (1 << 14) +#define PTM_CAP_SEND_COMMAND_HEADER (1 << 15) +#define PTM_CAP_LOCK_STORAGE (1 << 16) #ifndef _WIN32 enum { @@ -243,6 +295,8 @@ enum { PTM_GET_CONFIG = _IOR('P', 14, ptm_getconfig), PTM_SET_DATAFD = _IOR('P', 15, ptm_res), PTM_SET_BUFFERSIZE = _IOWR('P', 16, ptm_setbuffersize), + PTM_GET_INFO = _IOWR('P', 17, ptm_getinfo), + PTM_LOCK_STORAGE = _IOWR('P', 18, ptm_lockstorage), }; #endif @@ -257,23 +311,25 @@ enum { * and ptm_set_state:u.req.data) are 0xffffffff. */ enum { - CMD_GET_CAPABILITY = 1, - CMD_INIT, - CMD_SHUTDOWN, - CMD_GET_TPMESTABLISHED, - CMD_SET_LOCALITY, - CMD_HASH_START, - CMD_HASH_DATA, - CMD_HASH_END, - CMD_CANCEL_TPM_CMD, - CMD_STORE_VOLATILE, - CMD_RESET_TPMESTABLISHED, - CMD_GET_STATEBLOB, - CMD_SET_STATEBLOB, - CMD_STOP, - CMD_GET_CONFIG, - CMD_SET_DATAFD, - CMD_SET_BUFFERSIZE, + CMD_GET_CAPABILITY = 1, /* 0x01 */ + CMD_INIT, /* 0x02 */ + CMD_SHUTDOWN, /* 0x03 */ + CMD_GET_TPMESTABLISHED, /* 0x04 */ + CMD_SET_LOCALITY, /* 0x05 */ + CMD_HASH_START, /* 0x06 */ + CMD_HASH_DATA, /* 0x07 */ + CMD_HASH_END, /* 0x08 */ + CMD_CANCEL_TPM_CMD, /* 0x09 */ + CMD_STORE_VOLATILE, /* 0x0a */ + CMD_RESET_TPMESTABLISHED, /* 0x0b */ + CMD_GET_STATEBLOB, /* 0x0c */ + CMD_SET_STATEBLOB, /* 0x0d */ + CMD_STOP, /* 0x0e */ + CMD_GET_CONFIG, /* 0x0f */ + CMD_SET_DATAFD, /* 0x10 */ + CMD_SET_BUFFERSIZE, /* 0x11 */ + CMD_GET_INFO, /* 0x12 */ + CMD_LOCK_STORAGE, /* 0x13 */ }; -#endif /* TPM_IOCTL_H */ +#endif /* _TPM_IOCTL_H_ */ |