1 files changed, 60 insertions, 0 deletions
diff --git a/extras/mini-os/include/tpm_tis.h b/extras/mini-os/include/tpm_tis.h
new file mode 100644
index 0000000000..1faca0dcf3
--- /dev/null
+++ b/extras/mini-os/include/tpm_tis.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2010-2012 United States Government, as represented by
+ * the Secretary of Defense.  All rights reserved.
+ *
+ * This code has been derived from drivers/char/tpm.c
+ * from the linux kernel
+ *
+ * Copyright (C) 2004 IBM Corporation
+ *
+ * This code has also been derived from drivers/char/tpm/tpm_tis.c
+ * from the linux kernel
+ *
+ * Copyright (C) 2005, 2006 IBM Corporation
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, version 2
+ * of the License
+ */
+#ifndef TPM_TIS_H
+#define TPM_TIS_H
+
+#include <mini-os/types.h>
+#include <mini-os/byteorder.h>
+
+#define TPM_TIS_EN_LOCL0 1
+#define TPM_TIS_EN_LOCL1 (1 << 1)
+#define TPM_TIS_EN_LOCL2 (1 << 2)
+#define TPM_TIS_EN_LOCL3 (1 << 3)
+#define TPM_TIS_EN_LOCL4 (1 << 4)
+#define TPM_TIS_EN_LOCLALL (TPM_TIS_EN_LOCL0 | TPM_TIS_EN_LOCL1  | TPM_TIS_EN_LOCL2 | TPM_TIS_EN_LOCL3 | TPM_TIS_EN_LOCL4)
+#define TPM_TIS_LOCL_INT_TO_FLAG(x) (1 << x)
+#define TPM_BASEADDR 0xFED40000
+#define TPM_PROBE_IRQ 0xFFFF
+
+struct tpm_chip;
+
+struct tpm_chip* init_tpm_tis(unsigned long baseaddr, int localities, unsigned int irq);
+void shutdown_tpm_tis(struct tpm_chip* tpm);
+
+int tpm_tis_request_locality(struct tpm_chip* tpm, int locality);
+int tpm_tis_cmd(struct tpm_chip* tpm, uint8_t* req, size_t reqlen, uint8_t** resp, size_t* resplen);
+
+#ifdef HAVE_LIBC
+#include <sys/stat.h>
+#include <fcntl.h>
+/* POSIX IO functions:
+ * use tpm_tis_open() to get a file descriptor to the tpm device
+ * use write() on the fd to send a command to the backend. You must
+ * include the entire command in a single call to write().
+ * use read() on the fd to read the response. You can use
+ * fstat() to get the size of the response and lseek() to seek on it.
+ */
+int tpm_tis_open(struct tpm_chip* tpm);
+int tpm_tis_posix_read(int fd, uint8_t* buf, size_t count);
+int tpm_tis_posix_write(int fd, const uint8_t* buf, size_t count);
+int tpm_tis_posix_fstat(int fd, struct stat* buf);
+#endif
+
+#endif