120 lines
3.5 KiB
C
120 lines
3.5 KiB
C
/*
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* Copyright (c) 2003
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* Bill Paul <wpaul@windriver.com>. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _NTOSKRNL_VAR_H_
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#define _NTOSKRNL_VAR_H_
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/* Note: assumes x86 page size of 4K. */
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#define PAGE_SHIFT 12
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#define SPAN_PAGES(ptr, len) \
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((uint32_t)((((uintptr_t)(ptr) & (PAGE_SIZE -1)) + \
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(len) + (PAGE_SIZE - 1)) >> PAGE_SHIFT))
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typedef uint32_t kspin_lock;
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struct slist_entry {
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struct slist_entry *sl_next;
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};
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typedef struct slist_entry slist_entry;
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union slist_header {
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uint64_t slh_align;
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struct {
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struct slist_entry *slh_next;
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uint16_t slh_depth;
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uint16_t slh_seq;
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} slh_list;
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};
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typedef union slist_header slist_header;
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struct list_entry {
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struct list_entry *nle_flink;
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struct list_entry *nle_blink;
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};
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typedef struct list_entry list_entry;
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struct general_lookaside {
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slist_header gl_listhead;
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uint16_t gl_depth;
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uint16_t gl_maxdepth;
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uint32_t gl_totallocs;
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union {
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uint32_t gl_allocmisses;
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uint32_t gl_allochits;
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} u_a;
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uint32_t gl_totalfrees;
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union {
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uint32_t gl_freemisses;
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uint32_t gl_freehits;
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} u_m;
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uint32_t gl_type;
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uint32_t gl_tag;
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uint32_t gl_size;
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void *gl_allocfunc;
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void *gl_freefunc;
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list_entry gl_listent;
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uint32_t gl_lasttotallocs;
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union {
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uint32_t gl_lastallocmisses;
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uint32_t gl_lastallochits;
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} u_l;
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uint32_t gl_rsvd[2];
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};
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typedef struct general_lookaside general_lookaside;
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struct npaged_lookaside_list {
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general_lookaside nll_l;
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kspin_lock nll_obsoletelock;
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};
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typedef struct npaged_lookaside_list npaged_lookaside_list;
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typedef struct npaged_lookaside_list paged_lookaside_list;
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typedef void * (*lookaside_alloc_func)(uint32_t, size_t, uint32_t);
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typedef void (*lookaside_free_func)(void *);
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extern image_patch_table ntoskrnl_functbl[];
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__BEGIN_DECLS
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extern int ntoskrnl_libinit(void);
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extern int ntoskrnl_libfini(void);
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__END_DECLS
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#endif /* _NTOSKRNL_VAR_H_ */
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