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// SPDX-License-Identifier: BSD-2-Clause
/*
* Copyright (c) 2014, Linaro Limited
* All rights reserved.
*/
#include <tee_api.h>
#include <tee_internal_se_api.h>
#include <tee_internal_api_extensions.h>
#include <utee_defines.h>
#include <sys/queue.h>
#include <utee_syscalls.h>
#define VERIFY_HANDLE(handle, ops) \
do { \
if ((handle) == TEE_HANDLE_NULL) \
TEE_Panic(0); \
ret = (ops); \
if (ret == TEE_ERROR_BAD_PARAMETERS) \
TEE_Panic(0); \
} while (0)
TEE_Result TEE_SEServiceOpen(
TEE_SEServiceHandle *seServiceHandle)
{
TEE_Result ret;
uint32_t s;
if (seServiceHandle == NULL)
TEE_Panic(0);
ret = utee_se_service_open(&s);
if (ret == TEE_SUCCESS)
*seServiceHandle = (TEE_SEServiceHandle)(uintptr_t)s;
return ret;
}
void TEE_SEServiceClose(
TEE_SEServiceHandle seServiceHandle)
{
TEE_Result ret;
VERIFY_HANDLE(seServiceHandle,
utee_se_service_close((unsigned long)seServiceHandle));
}
TEE_Result TEE_SEServiceGetReaders(
TEE_SEServiceHandle seServiceHandle,
TEE_SEReaderHandle *seReaderHandleList,
size_t *seReaderHandleListLen)
{
TEE_Result ret = TEE_SUCCESS;
if (seReaderHandleList == NULL ||
seReaderHandleListLen == NULL)
TEE_Panic(0);
else {
uint64_t rl_len = *seReaderHandleListLen;
uint32_t rl[rl_len];
size_t n;
VERIFY_HANDLE(seServiceHandle,
utee_se_service_get_readers(
(unsigned long)seServiceHandle, rl, &rl_len));
if (ret != TEE_SUCCESS)
return ret;
for (n = 0; n < rl_len; n++)
seReaderHandleList[n] =
(TEE_SEReaderHandle)(uintptr_t)rl[n];
*seReaderHandleListLen = rl_len;
}
return ret;
}
void TEE_SEReaderGetProperties(TEE_SEReaderHandle seReaderHandle,
TEE_SEReaderProperties *readerProperties)
{
TEE_Result ret;
uint32_t prop;
VERIFY_HANDLE(seReaderHandle,
utee_se_reader_get_prop((unsigned long)seReaderHandle, &prop));
readerProperties->sePresent = !!(prop & UTEE_SE_READER_PRESENT);
readerProperties->teeOnly = !!(prop & UTEE_SE_READER_TEE_ONLY);
readerProperties->selectResponseEnable =
!!(prop & UTEE_SE_READER_SELECT_RESPONE_ENABLE);
}
TEE_Result TEE_SEReaderGetName(TEE_SEReaderHandle seReaderHandle,
char *readerName, size_t *readerNameLen)
{
TEE_Result ret;
uint64_t nl;
if (readerName == NULL || readerNameLen == NULL ||
*readerNameLen == 0)
TEE_Panic(0);
nl = *readerNameLen;
VERIFY_HANDLE(seReaderHandle,
utee_se_reader_get_name((unsigned long)seReaderHandle,
readerName, &nl));
*readerNameLen = nl;
return ret;
}
TEE_Result TEE_SEReaderOpenSession(TEE_SEReaderHandle seReaderHandle,
TEE_SESessionHandle *seSessionHandle)
{
TEE_Result ret;
uint32_t s;
if (seSessionHandle == NULL)
TEE_Panic(0);
VERIFY_HANDLE(seReaderHandle,
utee_se_reader_open_session((unsigned long)seReaderHandle, &s));
if (ret == TEE_SUCCESS)
*seSessionHandle = (TEE_SESessionHandle)(uintptr_t)s;
return ret;
}
void TEE_SEReaderCloseSessions(
TEE_SEReaderHandle seReaderHandle)
{
TEE_Result ret;
VERIFY_HANDLE(seReaderHandle,
utee_se_reader_close_sessions((unsigned long)seReaderHandle));
}
TEE_Result TEE_SESessionGetATR(TEE_SESessionHandle seSessionHandle,
void *atr, size_t *atrLen)
{
TEE_Result ret;
uint64_t al;
if (atr == NULL || atrLen == NULL || *atrLen == 0)
TEE_Panic(0);
al = *atrLen;
VERIFY_HANDLE(seSessionHandle,
utee_se_session_get_atr((unsigned long)seSessionHandle,
atr, &al));
*atrLen = al;
return ret;
}
TEE_Result TEE_SESessionIsClosed(TEE_SESessionHandle seSessionHandle)
{
TEE_Result ret;
VERIFY_HANDLE(seSessionHandle,
utee_se_session_is_closed((unsigned long)seSessionHandle));
return ret;
}
void TEE_SESessionClose(TEE_SESessionHandle seSessionHandle)
{
TEE_Result ret;
VERIFY_HANDLE(seSessionHandle,
utee_se_session_close((unsigned long)seSessionHandle));
}
TEE_Result TEE_SESessionOpenBasicChannel(TEE_SESessionHandle seSessionHandle,
TEE_SEAID *seAID, TEE_SEChannelHandle *seChannelHandle)
{
TEE_Result ret;
uint32_t s;
const void *p = NULL;
size_t l = 0;
if (seChannelHandle == NULL)
TEE_Panic(0);
if (seAID) {
p = seAID->buffer;
l = seAID->bufferLen;
}
VERIFY_HANDLE(seSessionHandle,
utee_se_session_open_channel((unsigned long)seSessionHandle,
false, p, l, &s));
if (ret == TEE_SUCCESS)
*seChannelHandle = (TEE_SEChannelHandle)(uintptr_t)s;
return ret;
}
TEE_Result TEE_SESessionOpenLogicalChannel(TEE_SESessionHandle seSessionHandle,
TEE_SEAID *seAID, TEE_SEChannelHandle *seChannelHandle)
{
TEE_Result ret;
uint32_t s;
const void *p = NULL;
size_t l = 0;
if (seChannelHandle == NULL)
TEE_Panic(0);
if (seAID) {
p = seAID->buffer;
l = seAID->bufferLen;
}
VERIFY_HANDLE(seSessionHandle,
utee_se_session_open_channel((unsigned long)seSessionHandle,
true, p, l, &s));
if (ret == TEE_SUCCESS)
*seChannelHandle = (TEE_SEChannelHandle)(uintptr_t)s;
return ret;
}
TEE_Result TEE_SEChannelSelectNext(TEE_SEChannelHandle seChannelHandle)
{
TEE_Result ret;
VERIFY_HANDLE(seChannelHandle,
utee_se_channel_select_next((unsigned long)seChannelHandle));
return ret;
}
TEE_Result TEE_SEChannelGetSelectResponse(TEE_SEChannelHandle seChannelHandle,
void *response, size_t *responseLen)
{
TEE_Result ret;
uint64_t rl;
if (!responseLen)
TEE_Panic(0);
rl = *responseLen;
VERIFY_HANDLE(seChannelHandle,
utee_se_channel_get_select_resp((unsigned long)seChannelHandle,
response, &rl));
if (ret == TEE_SUCCESS)
*responseLen = rl;
return ret;
}
TEE_Result TEE_SEChannelTransmit(TEE_SEChannelHandle seChannelHandle,
void *command, size_t commandLen,
void *response, size_t *responseLen)
{
TEE_Result ret;
uint64_t rl;
if (!responseLen)
TEE_Panic(0);
rl = *responseLen;
VERIFY_HANDLE(seChannelHandle,
utee_se_channel_transmit((unsigned long)seChannelHandle,
command, commandLen, response, &rl));
if (ret == TEE_SUCCESS)
*responseLen = rl;
return ret;
}
void TEE_SEChannelClose(TEE_SEChannelHandle seChannelHandle)
{
TEE_Result ret;
VERIFY_HANDLE(seChannelHandle,
utee_se_channel_close((unsigned long)seChannelHandle));
}
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