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/*-
* Copyright (c) 2006 Kip Macy
* All rights reserved.
*
* 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.
*
* 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.
*
* $FreeBSD$
*/
#ifndef _MACHINE_TSB_H_
#define _MACHINE_TSB_H_
#define MAX_TSB_INFO 2
/*
* Values for "tsb_ttesz_mask" bitmask.
*/
#define TSB8K (1 << TTE8K)
#define TSB64K (1 << TTE64K)
#define TSB512K (1 << TTE512K)
#define TSB4M (1 << TTE4M)
#define TSB32M (1 << TTE32M)
#define TSB256M (1 << TTE256M)
/*
* Kernel TSBs
*/
#define TSB8K_INDEX 0
#define TSB4M_INDEX 1
extern hv_tsb_info_t kernel_td[MAX_TSB_INFO];
struct hv_tsb_info;
void tsb_init(struct hv_tsb_info *tsb, uint64_t *scratchval, uint64_t page_shift);
void tsb_deinit(struct hv_tsb_info *tsb);
void tsb_assert_invalid(struct hv_tsb_info *tsb, vm_offset_t va);
void tsb_set_tte(struct hv_tsb_info *tsb, vm_offset_t va, tte_t tte_data, uint64_t ctx);
void tsb_set_tte_real(struct hv_tsb_info *tsb, vm_offset_t index_va,
vm_offset_t tag_va, tte_t tte_data, uint64_t ctx);
tte_t tsb_get_tte(struct hv_tsb_info *tsb, vm_offset_t va);
tte_t tsb_lookup_tte(vm_offset_t va, uint64_t context);
void tsb_clear(struct hv_tsb_info *tsb);
void tsb_clear_tte(struct hv_tsb_info *tsb, vm_offset_t va);
void tsb_clear_range(struct hv_tsb_info *tsb, vm_offset_t sva, vm_offset_t eva);
uint64_t tsb_set_scratchpad_kernel(struct hv_tsb_info *tsb);
uint64_t tsb_set_scratchpad_user(struct hv_tsb_info *tsb);
int tsb_size(struct hv_tsb_info *tsb);
int tsb_page_shift(pmap_t pmap);
#endif /* !_MACHINE_TSB_H_ */
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