Merge remote-tracking branch 'remotes/stefanberger/tags/pull-tpm-2020-06-23-1' into staging

Merge tpm 2020/06/23 v1

# gpg: Signature made Tue 23 Jun 2020 12:35:03 BST
# gpg:                using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE  C66B 75AD 6580 2A0B 4211

* remotes/stefanberger/tags/pull-tpm-2020-06-23-1:
  tpm: Move backend code under the 'backends/' directory
  hw/tpm: Make 'tpm_util.h' publicly accessible as "sysemu/tpm_util.h"
  hw/tpm: Move DEFINE_PROP_TPMBE() macro to 'tmp_prop.h' local header
  hw/tpm: Move few declarations from 'tpm_util.h' to 'tpm_int.h'
  hw/tpm: Make TRACE_TPM_UTIL_SHOW_BUFFER check local to tpm_util.c
  hw/tpm: Remove unnecessary 'tpm_int.h' header inclusion
  hw/tpm: Move 'hw/acpi/tpm.h' inclusion from header to sources
  hw/tpm: Include missing 'qemu/option.h' header
  hw/tpm: Do not include 'qemu/osdep.h' in header
  hw/tpm: Rename TPMDEV as TPM_BACKEND in Kconfig
  backends: Add TPM files into their own directory
  docs/specs/tpm: Correct header path name

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

1 files changed, 72 insertions, 0 deletions

diff --git a/include/sysemu/tpm_util.h b/include/sysemu/tpm_util.h
new file mode 100644
index 0000000000..63e872c3b2
--- /dev/null
+++ b/include/sysemu/tpm_util.h
@@ -0,0 +1,72 @@
+/*
+ * TPM utility functions
+ *
+ *  Copyright (c) 2010 - 2015 IBM Corporation
+ *  Authors:
+ *    Stefan Berger <stefanb@us.ibm.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ */
+
+#ifndef SYSEMU_TPM_UTIL_H
+#define SYSEMU_TPM_UTIL_H
+
+#include "sysemu/tpm.h"
+#include "qemu/bswap.h"
+
+void tpm_util_write_fatal_error_response(uint8_t *out, uint32_t out_len);
+
+bool tpm_util_is_selftest(const uint8_t *in, uint32_t in_len);
+
+int tpm_util_test_tpmdev(int tpm_fd, TPMVersion *tpm_version);
+
+static inline uint16_t tpm_cmd_get_tag(const void *b)
+{
+    return lduw_be_p(b);
+}
+
+static inline void tpm_cmd_set_tag(void *b, uint16_t tag)
+{
+    stw_be_p(b, tag);
+}
+
+static inline uint32_t tpm_cmd_get_size(const void *b)
+{
+    return ldl_be_p(b + 2);
+}
+
+static inline void tpm_cmd_set_size(void *b, uint32_t size)
+{
+    stl_be_p(b + 2, size);
+}
+
+static inline uint32_t tpm_cmd_get_ordinal(const void *b)
+{
+    return ldl_be_p(b + 6);
+}
+
+static inline uint32_t tpm_cmd_get_errcode(const void *b)
+{
+    return ldl_be_p(b + 6);
+}
+
+static inline void tpm_cmd_set_error(void *b, uint32_t error)
+{
+    stl_be_p(b + 6, error);
+}
+
+void tpm_util_show_buffer(const unsigned char *buffer,
+                          size_t buffer_size, const char *string);
+
+#endif /* SYSEMU_TPM_UTIL_H */