freebsd-dev/sys/compat/ndis/ntoskrnl_var.h

120 lines
3.5 KiB
C

/*
* Copyright (c) 2003
* Bill Paul <wpaul@windriver.com>. 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul OR THE VOICES IN HIS HEAD
* 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 _NTOSKRNL_VAR_H_
#define _NTOSKRNL_VAR_H_
/* Note: assumes x86 page size of 4K. */
#define PAGE_SHIFT 12
#define SPAN_PAGES(ptr, len) \
((uint32_t)((((uintptr_t)(ptr) & (PAGE_SIZE -1)) + \
(len) + (PAGE_SIZE - 1)) >> PAGE_SHIFT))
typedef uint32_t kspin_lock;
struct slist_entry {
struct slist_entry *sl_next;
};
typedef struct slist_entry slist_entry;
union slist_header {
uint64_t slh_align;
struct {
struct slist_entry *slh_next;
uint16_t slh_depth;
uint16_t slh_seq;
} slh_list;
};
typedef union slist_header slist_header;
struct list_entry {
struct list_entry *nle_flink;
struct list_entry *nle_blink;
};
typedef struct list_entry list_entry;
struct general_lookaside {
slist_header gl_listhead;
uint16_t gl_depth;
uint16_t gl_maxdepth;
uint32_t gl_totallocs;
union {
uint32_t gl_allocmisses;
uint32_t gl_allochits;
} u_a;
uint32_t gl_totalfrees;
union {
uint32_t gl_freemisses;
uint32_t gl_freehits;
} u_m;
uint32_t gl_type;
uint32_t gl_tag;
uint32_t gl_size;
void *gl_allocfunc;
void *gl_freefunc;
list_entry gl_listent;
uint32_t gl_lasttotallocs;
union {
uint32_t gl_lastallocmisses;
uint32_t gl_lastallochits;
} u_l;
uint32_t gl_rsvd[2];
};
typedef struct general_lookaside general_lookaside;
struct npaged_lookaside_list {
general_lookaside nll_l;
kspin_lock nll_obsoletelock;
};
typedef struct npaged_lookaside_list npaged_lookaside_list;
typedef struct npaged_lookaside_list paged_lookaside_list;
typedef void * (*lookaside_alloc_func)(uint32_t, size_t, uint32_t);
typedef void (*lookaside_free_func)(void *);
extern image_patch_table ntoskrnl_functbl[];
__BEGIN_DECLS
extern int ntoskrnl_libinit(void);
extern int ntoskrnl_libfini(void);
__END_DECLS
#endif /* _NTOSKRNL_VAR_H_ */