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sys/arm/vmm/vtimer.h
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/*- | |||||
* Copyright (c) 2017 The FreeBSD Foundation | |||||
* | |||||
* Redistribution and use in source and binary forms, with or without | |||||
* modification, are permitted provided that the following conditions | |||||
* are met: | |||||
* 1. Redistributions of source code must retain the above copyright | |||||
* notice, this list of conditions and the following disclaimer. | |||||
* 2. Redistributions in binary form must reproduce the above copyright | |||||
* notice, this list of conditions and the following disclaimer in the | |||||
* documentation and/or other materials provided with the distribution. | |||||
* 3. The name of the company nor the name of the author may be used to | |||||
* endorse or promote products derived from this software without specific | |||||
* prior written permission. | |||||
* | |||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND | |||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |||||
* SUCH DAMAGE. | |||||
*/ | |||||
#ifndef _VMM_VTIMER_H_ | |||||
#define _VMM_VTIMER_H_ | |||||
#include <sys/taskqueue.h> | |||||
struct vtimer | |||||
{ | |||||
bool enabled; | |||||
uint64_t cntvoff; // CNTVLOFF[0:31] + CNTVUOFF[32:63] | |||||
}; | |||||
struct vtimer_cpu | |||||
{ | |||||
uint32_t cntv_ctl; // Virtual timer control register | |||||
uint64_t cntv_cval; // Virtual timer value | |||||
bool started; | |||||
struct callout callout; | |||||
struct task task; | |||||
}; | |||||
void vtimer_flush_hwstate(void *arg); | |||||
void vtimer_sync_hwstate(void *arg); | |||||
void vtimer_cpu_init(void *arg); | |||||
void vtimer_cpu_terminate(void *arg); | |||||
int vtimer_hyp_init(void); | |||||
int vtimer_init(void *arg); | |||||
#endif // _VMM_VTIMER_H_ |