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/*
* 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))
#define PAGE_ALIGN(ptr) \
((void *)((uintptr_t)(ptr) & ~(PAGE_SIZE - 1)))
#define BYTE_OFFSET(ptr) \
((uint32_t)((uintptr_t)(ptr) & (PAGE_SIZE - 1)))
#define MDL_INIT(b, baseva, len) \
(b)->nb_next = NULL; \
(b)->nb_size = (uint16_t)(sizeof(struct ndis_buffer) + \
(sizeof(uint32_t) * SPAN_PAGES((baseva), (len)))); \
(b)->nb_flags = 0; \
(b)->nb_startva = (void *)PAGE_ALIGN((baseva)); \
(b)->nb_byteoffset = BYTE_OFFSET((baseva)); \
(b)->nb_bytecount = (uint32_t)(len);
#define MDL_VA(b) \
((void *)((char *)((b)->nb_startva) + (b)->nb_byteoffset))
#define WDM_MAJOR 1
#define WDM_MINOR_WIN98 0x00
#define WDM_MINOR_WINME 0x05
#define WDM_MINOR_WIN2000 0x10
#define WDM_MINOR_WINXP 0x20
#define WDM_MINOR_WIN2003 0x30
/*-
* The ndis_kspin_lock type is called KSPIN_LOCK in MS-Windows.
* According to the Windows DDK header files, KSPIN_LOCK is defined like this:
* typedef ULONG_PTR KSPIN_LOCK;
*
* From basetsd.h (SDK, Feb. 2003):
* typedef [public] unsigned __int3264 ULONG_PTR, *PULONG_PTR;
* typedef unsigned __int64 ULONG_PTR, *PULONG_PTR;
* typedef _W64 unsigned long ULONG_PTR, *PULONG_PTR;
*
* The keyword __int3264 specifies an integral type that has the following
* properties:
* + It is 32-bit on 32-bit platforms
* + It is 64-bit on 64-bit platforms
* + It is 32-bit on the wire for backward compatibility.
* It gets truncated on the sending side and extended appropriately
* (signed or unsigned) on the receiving side.
*
* Thus register_t seems the proper mapping onto FreeBSD for spin locks.
*/
typedef register_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_ */
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