#- # Copyright (c) 2023 Juniper Networks, Inc. # All Rights Reserved # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # # THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF # SUCH DAMAGE. # # #include #include INTERFACE tpm; # # Transfer data to the TPM data buffer # METHOD int transmit { device_t dev; size_t length; }; METHOD uint64_t read_8 { device_t dev; bus_size_t addr; } # # Read 4 bytes (host endian) from a TPM register # METHOD uint32_t read_4 { device_t dev; bus_size_t addr; }; METHOD uint8_t read_1 { device_t dev; bus_size_t addr; }; METHOD void write_4 { device_t dev; bus_size_t addr; uint32_t value; }; METHOD void write_1 { device_t dev; bus_size_t addr; uint8_t value; }; METHOD void write_barrier { device_t dev; bus_size_t off; bus_size_t length; }