80 lines
2.6 KiB
C
80 lines
2.6 KiB
C
/*-
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* Copyright (c) 2006 Kip Macy
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_TSB_H_
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#define _MACHINE_TSB_H_
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#define MAX_TSB_INFO 2
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/*
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* Values for "tsb_ttesz_mask" bitmask.
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*/
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#define TSB8K (1 << TTE8K)
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#define TSB64K (1 << TTE64K)
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#define TSB512K (1 << TTE512K)
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#define TSB4M (1 << TTE4M)
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#define TSB32M (1 << TTE32M)
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#define TSB256M (1 << TTE256M)
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/*
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* Kernel TSBs
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*/
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#define TSB8K_INDEX 0
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#define TSB4M_INDEX 1
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extern hv_tsb_info_t kernel_td[MAX_TSB_INFO];
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struct hv_tsb_info;
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vm_paddr_t tsb_init(struct hv_tsb_info *tsb, uint64_t *scratchval);
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void tsb_deinit(struct hv_tsb_info *tsb);
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void tsb_assert_invalid(struct hv_tsb_info *tsb, vm_offset_t va);
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void tsb_set_tte(struct hv_tsb_info *tsb, vm_offset_t va, tte_t tte_data, uint64_t ctx);
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void tsb_set_tte_real(struct hv_tsb_info *tsb, vm_offset_t va, tte_t tte_data, uint64_t ctx);
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tte_t tsb_get_tte(struct hv_tsb_info *tsb, vm_offset_t va);
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tte_t tsb_lookup_tte(vm_offset_t va, uint64_t context);
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void tsb_clear(struct hv_tsb_info *tsb);
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void tsb_clear_tte(struct hv_tsb_info *tsb, vm_offset_t va);
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void tsb_clear_range(struct hv_tsb_info *tsb, vm_offset_t sva, vm_offset_t eva);
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uint64_t tsb_set_scratchpad_kernel(struct hv_tsb_info *tsb);
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uint64_t tsb_set_scratchpad_user(struct hv_tsb_info *tsb);
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#endif /* !_MACHINE_TSB_H_ */
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