2 * Copyright (c) 2006 Kip Macy
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef _MACHINE_TSB_H_
30 #define _MACHINE_TSB_H_
32 #define MAX_TSB_INFO 2
35 * Values for "tsb_ttesz_mask" bitmask.
37 #define TSB8K (1 << TTE8K)
38 #define TSB64K (1 << TTE64K)
39 #define TSB512K (1 << TTE512K)
40 #define TSB4M (1 << TTE4M)
41 #define TSB32M (1 << TTE32M)
42 #define TSB256M (1 << TTE256M)
50 extern hv_tsb_info_t kernel_td[MAX_TSB_INFO];
55 void tsb_init(struct hv_tsb_info *tsb, uint64_t *scratchval, uint64_t page_shift);
57 void tsb_deinit(struct hv_tsb_info *tsb);
59 void tsb_assert_invalid(struct hv_tsb_info *tsb, vm_offset_t va);
61 void tsb_set_tte(struct hv_tsb_info *tsb, vm_offset_t va, tte_t tte_data, uint64_t ctx);
63 void tsb_set_tte_real(struct hv_tsb_info *tsb, vm_offset_t index_va,
64 vm_offset_t tag_va, tte_t tte_data, uint64_t ctx);
66 tte_t tsb_get_tte(struct hv_tsb_info *tsb, vm_offset_t va);
68 tte_t tsb_lookup_tte(vm_offset_t va, uint64_t context);
70 void tsb_clear(struct hv_tsb_info *tsb);
72 void tsb_clear_tte(struct hv_tsb_info *tsb, vm_offset_t va);
74 void tsb_clear_range(struct hv_tsb_info *tsb, vm_offset_t sva, vm_offset_t eva);
76 uint64_t tsb_set_scratchpad_kernel(struct hv_tsb_info *tsb);
78 uint64_t tsb_set_scratchpad_user(struct hv_tsb_info *tsb);
80 int tsb_size(struct hv_tsb_info *tsb);
82 int tsb_page_shift(pmap_t pmap);
84 #endif /* !_MACHINE_TSB_H_ */