138 	kmutex_t		drc_lock;	/* global driver lock */  member
157 	mutex_init(&drctlp->drc_lock, NULL, MUTEX_DRIVER, NULL);  in _init()
161 		mutex_destroy(&drctlp->drc_lock);  in _init()
175 	mutex_destroy(&drctlp->drc_lock);  in _fini()
461 	mutex_enter(&drctlp->drc_lock);  in drctl_config_init()
463 		mutex_exit(&drctlp->drc_lock);  in drctl_config_init()
474 	mutex_exit(&drctlp->drc_lock);  in drctl_config_init()
529 	mutex_enter(&drctlp->drc_lock);  in drctl_config_fini()
531 		mutex_exit(&drctlp->drc_lock);  in drctl_config_fini()
534 	mutex_exit(&drctlp->drc_lock);  in drctl_config_fini()
707 	mutex_enter(&drctlp->drc_lock);  in drctl_block_conditional()
710 		mutex_exit(&drctlp->drc_lock);  in drctl_block_conditional()
716 		(void) cv_wait_sig(&drctlp->drc_busy_cv, &drctlp->drc_lock);  in drctl_block_conditional()
722 	mutex_exit(&drctlp->drc_lock);  in drctl_block_conditional()
752 	mutex_enter(&drctlp->drc_lock);  in drctl_unblock()
757 	mutex_exit(&drctlp->drc_lock);  in drctl_unblock()