_mali_osk_errcode_t mali_kernel_core_validate_mali_phys_range( u32 phys_base, u32 size ) { MALI_CHECK_GOTO( 0 == ( phys_base & (~_MALI_OSK_CPU_PAGE_MASK)), failure ); MALI_CHECK_GOTO( 0 == ( size & (~_MALI_OSK_CPU_PAGE_MASK)), failure ); if ( phys_base >= mem_validator.phys_base && (phys_base + size) >= mem_validator.phys_base && phys_base <= (mem_validator.phys_base + mem_validator.size) && (phys_base + size) <= (mem_validator.phys_base + mem_validator.size) ) { MALI_SUCCESS; } failure: MALI_PRINTF( ("*******************************************************************************\n") ); MALI_PRINTF( ("MALI PHYSICAL RANGE VALIDATION ERROR!\n") ); MALI_PRINTF( ("\n") ); MALI_PRINTF( ("We failed to validate a Mali-Physical range that the user-side wished to map in\n") ); MALI_PRINTF( ("\n") ); MALI_PRINTF( ("It is likely that the user-side wished to do Direct Rendering, but a suitable\n") ); MALI_PRINTF( ("address range validation mechanism has not been correctly setup\n") ); MALI_PRINTF( ("\n") ); MALI_PRINTF( ("The range supplied was: phys_base=0x%08X, size=0x%08X\n", phys_base, size) ); MALI_PRINTF( ("\n") ); MALI_PRINTF( ("Please refer to the ARM Mali Software Integration Guide for more information.\n") ); MALI_PRINTF( ("\n") ); MALI_PRINTF( ("*******************************************************************************\n") ); MALI_ERROR( _MALI_OSK_ERR_FAULT ); }
_mali_osk_errcode_t _mali_ukk_open(void **context) { int i; _mali_osk_errcode_t err; struct mali_session_data * session_data; /* allocated struct to track this session */ session_data = (struct mali_session_data *)_mali_osk_malloc(sizeof(struct mali_session_data)); MALI_CHECK_NON_NULL(session_data, _MALI_OSK_ERR_NOMEM); _mali_osk_memset(session_data->subsystem_data, 0, sizeof(session_data->subsystem_data)); /* create a response queue for this session */ session_data->ioctl_queue = _mali_osk_notification_queue_init(); if (NULL == session_data->ioctl_queue) { _mali_osk_free(session_data); MALI_ERROR(_MALI_OSK_ERR_NOMEM); } MALI_DEBUG_PRINT(3, ("Session starting\n")); /* call session_begin on all subsystems */ for (i = 0; i < (int)SUBSYSTEMS_COUNT; ++i) { if (NULL != subsystems[i]->session_begin) { /* subsystem has a session_begin */ err = subsystems[i]->session_begin(session_data, &session_data->subsystem_data[i], session_data->ioctl_queue); MALI_CHECK_GOTO(err == _MALI_OSK_ERR_OK, cleanup); } } *context = (void*)session_data; MALI_DEBUG_PRINT(3, ("Session started\n")); MALI_SUCCESS; cleanup: MALI_DEBUG_PRINT(2, ("Session startup failed\n")); /* i is index of subsystem which failed session begin, all indices before that has to be ended */ /* end subsystem sessions in the reverse order they where started in */ for (i = i - 1; i >= 0; --i) { if (NULL != subsystems[i]->session_end) subsystems[i]->session_end(session_data, &session_data->subsystem_data[i]); } _mali_osk_notification_queue_term(session_data->ioctl_queue); _mali_osk_free(session_data); /* return what the subsystem which failed session start returned */ MALI_ERROR(err); }
_mali_osk_errcode_t _mali_ukk_open(void **context) { int i; _mali_osk_errcode_t err; #ifdef MALI_SESSION_MEMORY_USAGE struct mali_session_data_list * session_data_list; #endif struct mali_session_data * session_data; /* allocated struct to track this session */ session_data = (struct mali_session_data *)_mali_osk_malloc(sizeof(struct mali_session_data)); MALI_CHECK_NON_NULL(session_data, _MALI_OSK_ERR_NOMEM); #ifdef MALI_SESSION_MEMORY_USAGE session_data_list = (struct mali_session_data_list *)_mali_osk_malloc(sizeof(struct mali_session_data_list)); if (session_data_list == NULL) { _mali_osk_free(session_data); return _MALI_OSK_ERR_NOMEM; } _MALI_OSK_INIT_LIST_HEAD(&session_data_list->list_head); session_data_list->pid = _mali_osk_get_pid(); session_data_list->session_data = session_data; session_data->list = session_data_list; #endif _mali_osk_memset(session_data->subsystem_data, 0, sizeof(session_data->subsystem_data)); /* create a response queue for this session */ session_data->ioctl_queue = _mali_osk_notification_queue_init(); if (NULL == session_data->ioctl_queue) { _mali_osk_free(session_data); #ifdef MALI_SESSION_MEMORY_USAGE _mali_osk_free(session_data_list); #endif MALI_ERROR(_MALI_OSK_ERR_NOMEM); } MALI_DEBUG_PRINT(3, ("Session starting\n")); /* call session_begin on all subsystems */ for (i = 0; i < (int)SUBSYSTEMS_COUNT; ++i) { if (NULL != subsystems[i]->session_begin) { /* subsystem has a session_begin */ err = subsystems[i]->session_begin(session_data, &session_data->subsystem_data[i], session_data->ioctl_queue); MALI_CHECK_GOTO(err == _MALI_OSK_ERR_OK, cleanup); } } *context = (void*)session_data; #ifdef MALI_SESSION_MEMORY_USAGE _mali_osk_lock_wait( session_data_lock, _MALI_OSK_LOCKMODE_RW ); _mali_osk_list_addtail(&session_data_list->list_head, &session_data_head); _mali_osk_lock_signal( session_data_lock, _MALI_OSK_LOCKMODE_RW ); #endif MALI_DEBUG_PRINT(3, ("Session started\n")); MALI_SUCCESS; cleanup: MALI_DEBUG_PRINT(2, ("Session startup failed\n")); /* i is index of subsystem which failed session begin, all indices before that has to be ended */ /* end subsystem sessions in the reverse order they where started in */ for (i = i - 1; i >= 0; --i) { if (NULL != subsystems[i]->session_end) subsystems[i]->session_end(session_data, &session_data->subsystem_data[i]); } _mali_osk_notification_queue_term(session_data->ioctl_queue); _mali_osk_free(session_data); #ifdef MALI_SESSION_MEMORY_USAGE _mali_osk_free(session_data_list); #endif /* return what the subsystem which failed session start returned */ MALI_ERROR(err); }