5dcf866a6d
switch tsbscratch over to using order of number of pages as opposed to actual number of pages switch tsb.c over to using wrappers for contig page allocation
85 lines
2.7 KiB
C
85 lines
2.7 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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#define TSB_INIT_SHIFT 3
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void tsb_init(struct hv_tsb_info *tsb, uint64_t *scratchval, uint64_t page_shift);
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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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int tsb_size(struct hv_tsb_info *tsb);
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int tsb_page_shift(pmap_t pmap);
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#endif /* !_MACHINE_TSB_H_ */
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