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/*
* Thunderbolt Cactus Ridge driver - bus logic (NHI independent)
*
* Copyright (c) 2014 Andreas Noever <andreas.noever@gmail.com>
*/
#ifndef TB_H_
#define TB_H_
#include "ctl.h"
/**
* struct tb - main thunderbolt bus structure
*/
struct tb {
struct mutex lock; /*
* Big lock. Must be held when accessing cfg or
* any struct tb_switch / struct tb_port.
*/
struct tb_nhi *nhi;
struct tb_ctl *ctl;
struct workqueue_struct *wq; /* ordered workqueue for plug events */
bool hotplug_active; /*
* tb_handle_hotplug will stop progressing plug
* events and exit if this is not set (it needs to
* acquire the lock one more time). Used to drain
* wq after cfg has been paused.
*/
};
struct tb *thunderbolt_alloc_and_start(struct tb_nhi *nhi);
void thunderbolt_shutdown_and_free(struct tb *tb);
#endif
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