/* ------------------------------------------------------------- */
static bool tlc_open_driver(void)
{
bool ret = false;
enum mc_result mc_ret;
struct mc_uuid_t dr_uuid = DR_TUI_UUID;
/* Allocate WSM buffer for the DCI */
mc_ret = mc_malloc_wsm(DEVICE_ID, 0, sizeof(struct tui_dci_msg_t),
(uint8_t **)&dci, 0);
if (MC_DRV_OK != mc_ret) {
pr_debug("ERROR %s: Allocation of DCI WSM failed: %d\n",
__func__, mc_ret);
return false;
}
/* Clear the session handle */
memset(&dr_session_handle, 0, sizeof(dr_session_handle));
/* The device ID (default device is used */
dr_session_handle.device_id = DEVICE_ID;
/* Open session with the Driver */
mc_ret = mc_open_session(&dr_session_handle, &dr_uuid, (uint8_t *)dci,
(uint32_t)sizeof(struct tui_dci_msg_t));
if (MC_DRV_OK != mc_ret) {
pr_debug("ERROR %s: Open driver session failed: %d\n",
__func__, mc_ret);
ret = false;
} else {
ret = true;
}
return ret;
}
/* ------------------------------------------------------------- */
static bool tlcOpenDriver(void)
{
bool ret = false;
enum mc_result mcRet;
/* Allocate WSM buffer for the DCI */
mcRet = mc_malloc_wsm(DEVICE_ID, 0, sizeof(tuiDciMsg_t),
(uint8_t **)&pDci, 0);
if (MC_DRV_OK != mcRet) {
pr_debug("ERROR tlcOpenDriver: Allocation of DCI WSM failed: %d\n",
mcRet);
return false;
}
/* Clear the session handle */
memset(&drSessionHandle, 0, sizeof(drSessionHandle));
/* The device ID (default device is used */
drSessionHandle.device_id = DEVICE_ID;
/* Open session with the Driver */
mcRet = mc_open_session(&drSessionHandle, &drUuid, (uint8_t *)pDci,
(uint32_t)sizeof(tuiDciMsg_t));
if (MC_DRV_OK != mcRet) {
pr_debug("ERROR tlcOpenDriver: Open driver session failed: %d\n",
mcRet);
ret = false;
} else {
ret = true;
}
return ret;
}
int32_t cmdq_sec_allocate_wsm_impl(uint32_t deviceId, uint8_t **ppWsm, uint32_t wsmSize)
{
int32_t status = 0;
enum mc_result mcRet = MC_DRV_OK;
do {
if ((*ppWsm) != NULL) {
status = -1;
CMDQ_ERR("[SEC]_WSM_ALLOC: err[pWsm is not NULL]");
break;
}
/* because world shared mem(WSM) will ba managed by mobicore device, not linux kernel */
/* instead of vmalloc/kmalloc, call mc_malloc_wasm to alloc WSM to prvent error such as */
/* "can not resolve tci physicall address" etc */
mcRet = mc_malloc_wsm(deviceId, 0, wsmSize, ppWsm, 0);
if (MC_DRV_OK != mcRet) {
CMDQ_ERR("[SEC]_WSM_ALLOC: err[0x%x]\n", mcRet);
status = -1;
break;
}
CMDQ_MSG("[SEC]_WSM_ALLOC: status[%d], *ppWsm: 0x%p\n", status, (*ppWsm));
} while (0);
return status;
}
/* DO NOT invoke this function unless you get HACC lock */
int open_sdriver_connection(void)
{
enum mc_result mcRet = 0;
int retryCnt = 0;
do {
/* Initialize session handle data */
mcRet = mc_open_device(deviceId);
if (MC_DRV_OK != mcRet) {
retryCnt++;
pr_debug("NWD HACC: mc_open_device failed: %d, retry count (%d)\n", mcRet,
retryCnt);
continue;
}
pr_debug("NWD HACC: mc_open_device success: %d\n", mcRet);
/* Allocating WSM for DCI */
mcRet =
mc_malloc_wsm(deviceId, 0, sizeof(dapc_tciMessage_t), (uint8_t **) &pTci, 0);
if (MC_DRV_OK != mcRet) {
pr_debug("NWD HACC: mc_malloc_wsm failed: %d\n", mcRet);
break;
}
/* Open session to the trustlet */
memset(&drSessionHandle, 0, sizeof(drSessionHandle));
drSessionHandle.device_id = deviceId;
mcRet =
mc_open_session(&drSessionHandle, &MC_UUID_HACC, (uint8_t *) pTci,
(uint32_t) sizeof(dapc_tciMessage_t));
if (MC_DRV_OK != mcRet) {
pr_debug("NWD HACC: mc_open_session failed: %d\n", mcRet);
break;
}
pr_debug("NWD HACC: mc_open_session success: %d\n", mcRet);
break;
} while (retryCnt < 30);
if (MC_DRV_OK != mcRet)
return -1;
return 0;
}
static int open_tplay_driver_connection(void)
{
enum mc_result mcRet = MC_DRV_OK;
if (tplaySessionHandle.session_id != 0)
{
DDPMSG("tplay TDriver session already created\n");
return 0;
}
DDPDBG("=============== late init tplay TDriver session ===============\n");
do
{
late_open_mobicore_device();
/* Allocating WSM for DCI */
mcRet = mc_malloc_wsm(mc_deviceId, 0, sizeof(tplay_tciMessage_t), (uint8_t **) &pTplayTci, 0);
if (MC_DRV_OK != mcRet)
{
DDPERR("mc_malloc_wsm failed: %d @%s line %d\n", mcRet, __func__, __LINE__);
return -1;
}
/* Open session the TDriver */
memset(&tplaySessionHandle, 0, sizeof(tplaySessionHandle));
tplaySessionHandle.device_id = mc_deviceId;
mcRet = mc_open_session(&tplaySessionHandle,
&MC_UUID_TPLAY,
(uint8_t *) pTplayTci,
(uint32_t) sizeof(tplay_tciMessage_t));
if (MC_DRV_OK != mcRet)
{
DDPERR("mc_open_session failed: %d @%s line %d\n", mcRet, __func__, __LINE__);
// if failed clear session handle
memset(&tplaySessionHandle, 0, sizeof(tplaySessionHandle));
return -1;
}
} while (0);
return (MC_DRV_OK == mcRet) ? 0 : -1;
}
//Open driver in open
static int secwidevine_session_open(void)
{
enum mc_result mc_ret = MC_DRV_OK;
mutex_lock(&secwidevine_lock);
do {
/* sessions reach max numbers ? */
if (secwidevine_session_ref > MAX_OPEN_SESSIONS)
{
MSG(WRN, "secwidevine_session > 0x%x\n", MAX_OPEN_SESSIONS);
break;
}
if (secwidevine_session_ref > 0)
{
secwidevine_session_ref++;
break;
}
/* open device */
mc_ret = mc_open_device(secwidevine_devid);
if (MC_DRV_OK != mc_ret)
{
MSG(ERR, "mc_open_device failed: %d\n", mc_ret);
break;
}
/* allocating WSM for DCI */
/*//open trustlet
mc_ret = mc_malloc_wsm(secwidevine_devid, 0, sizeof(tci_t),
(uint8_t **)&secwidevine_tci, 0);
if (MC_DRV_OK != mc_ret) {
mc_close_device(secwidevine_devid);
MSG(ERR, "mc_malloc_wsm failed: %d\n", mc_ret);
break;
}
// open session
secwidevine_session.device_id = secwidevine_devid;
mc_ret = mc_open_session(&secwidevine_session, &secwidevine_uuid,
(uint8_t *)secwidevine_tci, sizeof(tci_t));
if (MC_DRV_OK != mc_ret)
{
mc_free_wsm(secwidevine_devid, (uint8_t *)secwidevine_tci);
secwidevine_tci = NULL;
mc_close_device(secwidevine_devid);
MSG(ERR, "mc_open_session failed: %d\n", mc_ret);
break;
}*/
//open driver
mc_ret = mc_malloc_wsm(secwidevine_devid, 0, sizeof(tci_t), (uint8_t **) &secwidevinedr_tci,
0);
if (MC_DRV_OK != mc_ret)
{
/*mc_free_wsm(secwidevine_devid, (uint8_t *) secwidevine_tci);
secwidevine_tci = NULL;*/
mc_close_device(secwidevine_devid);
MSG(ERR, "2.mc_malloc_wsm failed: %d\n", mc_ret);
break;
}
/* open session */
secwidevinedr_session.device_id = secwidevine_devid;
mc_ret = mc_open_session(&secwidevinedr_session, &secwidevinedr_uuid,
(uint8_t *) secwidevinedr_tci, sizeof(tci_t));
if (MC_DRV_OK != mc_ret)
{
/* mc_free_wsm(secwidevine_devid, (uint8_t *) secwidevine_tci);
secwidevine_tci = NULL;*/
mc_free_wsm(secwidevine_devid, (uint8_t *) secwidevinedr_tci);
secwidevinedr_tci = NULL;
mc_close_device(secwidevine_devid);
MSG(ERR, "2.mc_open_session failed: %d\n", mc_ret);
break;
}
secwidevine_session_ref = 1;
} while(0);
MSG(INFO, "secwidevine_session_open: ret=%d, ref=%d\n", mc_ret, secwidevine_session_ref);
MSG(INFO, "driver sessionId = %d, deviceId = %d\n",
secwidevinedr_session.session_id, secwidevinedr_session.device_id);
mutex_unlock(&secwidevine_lock);
if (MC_DRV_OK != mc_ret)
{
MSG(ERR, "secwidevine_session_open fail");
return -ENXIO;
}
return 0;
}
//Open driver in open
static int secwidevinemdw_session_open(void)
{
enum mc_result mc_ret = MC_DRV_OK;
mutex_lock(&secwidevinemdw_lock);
do {
/* sessions reach max numbers ? */
if (secwidevinemdw_session_ref > MAX_OPEN_SESSIONS)
{
MSG(WRN, "secwidevinemdw_session > 0x%x\n", MAX_OPEN_SESSIONS);
break;
}
if (secwidevinemdw_session_ref > 0)
{
MSG(WRN, "secwidevinemdw_session already open");
secwidevinemdw_session_ref++;
break;
}
/* open device */
mc_ret = mc_open_device(secwidevinemdw_devid);
if (MC_DRV_OK != mc_ret)
{
MSG(ERR, "mc_open_device failed: %d\n", mc_ret);
break;
}
/* allocating WSM for DCI */
mc_ret = mc_malloc_wsm(secwidevinemdw_devid, 0, sizeof(dciMessage_t),
(uint8_t **)&secwidevinemdw_dci, 0);
if (MC_DRV_OK != mc_ret) {
mc_close_device(secwidevinemdw_devid);
MSG(ERR, "mc_malloc_wsm failed: %d\n", mc_ret);
break;
}
// open session
secwidevinemdwdr_session.device_id = secwidevinemdw_devid;
mc_ret = mc_open_session(&secwidevinemdwdr_session, &secwidevinemdw_uuid,
(uint8_t *)secwidevinemdw_dci, sizeof(dciMessage_t));
if (MC_DRV_OK != mc_ret)
{
mc_free_wsm(secwidevinemdw_devid, (uint8_t *)secwidevinemdw_dci);
secwidevinemdw_dci = NULL;
mc_close_device(secwidevinemdw_devid);
MSG(ERR, "mc_open_session failed: %d\n", mc_ret);
break;
}
/* create a thread for listening DCI signals */
secwidevinemdwDci_th = kthread_run(secwidevinemdw_listenDci, NULL, "secwidevinemdw_Dci");
if (IS_ERR(secwidevinemdwDci_th))
{
mc_close_session(&secwidevinemdwdr_session);
mc_free_wsm(secwidevinemdw_devid, (uint8_t *) secwidevinemdw_dci);
secwidevinemdw_dci = NULL;
mc_close_device(secwidevinemdw_devid);
MSG(ERR, "%s, init kthread_run failed!\n", __func__);
break;
}
secwidevinemdw_session_ref = 1;
} while(0);
MSG(INFO, "secwidevinemdw_session_open: ret=%d, ref=%d\n", mc_ret, secwidevinemdw_session_ref);
MSG(INFO, "driver sessionId = %d, deviceId = %d\n",
secwidevinemdwdr_session.session_id, secwidevinemdwdr_session.device_id);
mutex_unlock(&secwidevinemdw_lock);
if (MC_DRV_OK != mc_ret)
{
MSG(ERR, "secwidevinemdw_session_open fail");
return -ENXIO;
}
return 0;
}
