@@ -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_ */