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# Copyright 2016 syzkaller project authors. All rights reserved.
# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
# Open Trusted Execution driver for /dev/tlk_device
# Reference source code:
# https://android.googlesource.com/kernel/tegra/+/android-tegra-dragon-3.18-marshmallow-dr-dragon/security/tlk_driver/ote_protocol.h
include <linux/ioctl.h>
include <linux/types.h>
include <security/tlk_driver/ote_protocol.h>
resource fd_tlk[fd]
resource te_session_id[int32]
openat$tlk_device(fd const[AT_FDCWD], file ptr[in, string["/dev/tlk_device"]], flags flags[open_flags]) fd_tlk
ioctl$TE_IOCTL_OPEN_CLIENT_SESSION(fd fd_tlk, cmd const[TE_IOCTL_OPEN_CLIENT_SESSION], arg ptr[inout, te_opensession])
ioctl$TE_IOCTL_CLOSE_CLIENT_SESSION(fd fd_tlk, cmd const[TE_IOCTL_CLOSE_CLIENT_SESSION], arg ptr[inout, te_closesession])
ioctl$TE_IOCTL_LAUNCH_OPERATION(fd fd_tlk, cmd const[TE_IOCTL_LAUNCH_OPERATION], arg ptr[inout, te_launchop])
ioctl$TE_IOCTL_SS_CMD(fd fd_tlk, cmd const[TE_IOCTL_SS_CMD], arg flags[te_ss_cmd_flags])
te_ss_cmd_flags = TE_IOCTL_SS_CMD_GET_NEW_REQ, TE_IOCTL_SS_CMD_REQ_COMPLETE
te_oper_param_type_flags = TE_PARAM_TYPE_NONE, TE_PARAM_TYPE_INT_RO, TE_PARAM_TYPE_INT_RW, TE_PARAM_TYPE_MEM_RO, TE_PARAM_TYPE_MEM_RW, TE_PARAM_TYPE_PERSIST_MEM_RO, TE_PARAM_TYPE_PERSIST_MEM_RW, TE_PARAM_TYPE_FLAGS_PHYS_LIST
# Values of time_low, time_mid, time_hi_and_version, clock_seq_and_node don't seem to mean anything.
te_service_id {
unused_time_low int32
unused_time_mid int16
unused_time_hi_and_version int16
unused_clock_seq_and_node array[int8, 8]
}
te_opensession {
dest_uuid te_service_id
operation te_operation
answer ptr[out, te_answer]
}
te_closesession {
session_id te_session_id
answer ptr[out, te_answer]
}
te_answer {
result int32
session_id te_session_id
result_origin int32
}
te_launchop {
session_id te_session_id
operation te_operation
answer int64
}
te_operation {
unused_command int32
status int32
list_head ptr[in, te_oper_param]
unused_list_tail ptr[in, te_oper_param]
list_count int32
unused_interface_side int32
}
te_int_mem_union [
int int32
Mem te_mem
]
te_mem {
base vma
len int32
}
te_oper_param {
index int32
type flags[te_oper_param_type_flags, int32]
u te_int_mem_union
next_ptr_user ptr[in, te_oper_param, opt]
}
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