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freebsd-skq/sys/compat/ndis/ntoskrnl_var.h
Weongyo Jeong 6affafd098 o port NDIS USB support from USB1 to the new usb(USB2). 
o implement URB_FUNCTION_ABORT_PIPE handling.
o remove unused code related with canceling the timer list for USB
  drivers.
o whitespace cleanup and style(9)

Obtained from:	hps's original patch
2009-03-07 07:26:22 +00:00

1454 lines
42 KiB
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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_
#define MTX_NTOSKRNL_SPIN_LOCK "NDIS thread lock"
/*
* us_buf is really a wchar_t *, but it's inconvenient to include
* all the necessary header goop needed to define it, and it's a
* pointer anyway, so for now, just make it a uint16_t *.
*/
struct unicode_string {
uint16_t us_len;
uint16_t us_maxlen;
uint16_t *us_buf;
};
typedef struct unicode_string unicode_string;
struct ansi_string {
uint16_t as_len;
uint16_t as_maxlen;
char *as_buf;
};
typedef struct ansi_string ansi_string;
/*
* Windows memory descriptor list. In Windows, it's possible for
* buffers to be passed between user and kernel contexts without
* copying. Buffers may also be allocated in either paged or
* non-paged memory regions. An MDL describes the pages of memory
* used to contain a particular buffer. Note that a single MDL
* may describe a buffer that spans multiple pages. An array of
* page addresses appears immediately after the MDL structure itself.
* MDLs are therefore implicitly variably sized, even though they
* don't look it.
*
* Note that in FreeBSD, we can take many shortcuts in the way
* we handle MDLs because:
*
* - We are only concerned with pages in kernel context. This means
* we will only ever use the kernel's memory map, and remapping
* of buffers is never needed.
*
* - Kernel pages can never be paged out, so we don't have to worry
* about whether or not a page is actually mapped before going to
* touch it.
*/
struct mdl {
struct mdl *mdl_next;
uint16_t mdl_size;
uint16_t mdl_flags;
void *mdl_process;
void *mdl_mappedsystemva;
void *mdl_startva;
uint32_t mdl_bytecount;
uint32_t mdl_byteoffset;
};
typedef struct mdl mdl, ndis_buffer;
/* MDL flags */
#define MDL_MAPPED_TO_SYSTEM_VA 0x0001
#define MDL_PAGES_LOCKED 0x0002
#define MDL_SOURCE_IS_NONPAGED_POOL 0x0004
#define MDL_ALLOCATED_FIXED_SIZE 0x0008
#define MDL_PARTIAL 0x0010
#define MDL_PARTIAL_HAS_BEEN_MAPPED 0x0020
#define MDL_IO_PAGE_READ 0x0040
#define MDL_WRITE_OPERATION 0x0080
#define MDL_PARENT_MAPPED_SYSTEM_VA 0x0100
#define MDL_FREE_EXTRA_PTES 0x0200
#define MDL_IO_SPACE 0x0800
#define MDL_NETWORK_HEADER 0x1000
#define MDL_MAPPING_CAN_FAIL 0x2000
#define MDL_ALLOCATED_MUST_SUCCEED 0x4000
#define MDL_ZONE_ALLOCED 0x8000 /* BSD private */
#define MDL_ZONE_PAGES 16
#define MDL_ZONE_SIZE (sizeof(mdl) + (sizeof(vm_offset_t) * MDL_ZONE_PAGES))
/* Note: assumes x86 page size of 4K. */
#ifndef PAGE_SHIFT
#if PAGE_SIZE == 4096
#define PAGE_SHIFT 12
#elif PAGE_SIZE == 8192
#define PAGE_SHIFT 13
#else
#error PAGE_SHIFT undefined!
#endif
#endif
#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_PAGES(m) (vm_offset_t *)(m + 1)
#define MmInitializeMdl(b, baseva, len) \
(b)->mdl_next = NULL; \
(b)->mdl_size = (uint16_t)(sizeof(mdl) + \
(sizeof(vm_offset_t) * SPAN_PAGES((baseva), (len)))); \
(b)->mdl_flags = 0; \
(b)->mdl_startva = (void *)PAGE_ALIGN((baseva)); \
(b)->mdl_byteoffset = BYTE_OFFSET((baseva)); \
(b)->mdl_bytecount = (uint32_t)(len);
#define MmGetMdlByteOffset(mdl) ((mdl)->mdl_byteoffset)
#define MmGetMdlByteCount(mdl) ((mdl)->mdl_bytecount)
#define MmGetMdlVirtualAddress(mdl) \
((void *)((char *)((mdl)->mdl_startva) + (mdl)->mdl_byteoffset))
#define MmGetMdlStartVa(mdl) ((mdl)->mdl_startva)
#define MmGetMdlPfnArray(mdl) MDL_PAGES(mdl)
#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;
#define InitializeListHead(l) \
(l)->nle_flink = (l)->nle_blink = (l)
#define IsListEmpty(h) \
((h)->nle_flink == (h))
#define RemoveEntryList(e) \
do { \
list_entry *b; \
list_entry *f; \
\
f = (e)->nle_flink; \
b = (e)->nle_blink; \
b->nle_flink = f; \
f->nle_blink = b; \
} while (0)
/* These two have to be inlined since they return things. */
static __inline__ list_entry *
RemoveHeadList(list_entry *l)
{
list_entry *f;
list_entry *e;
e = l->nle_flink;
f = e->nle_flink;
l->nle_flink = f;
f->nle_blink = l;
return (e);
}
static __inline__ list_entry *
RemoveTailList(list_entry *l)
{
list_entry *b;
list_entry *e;
e = l->nle_blink;
b = e->nle_blink;
l->nle_blink = b;
b->nle_flink = l;
return (e);
}
#define InsertTailList(l, e) \
do { \
list_entry *b; \
\
b = l->nle_blink; \
e->nle_flink = l; \
e->nle_blink = b; \
b->nle_flink = (e); \
l->nle_blink = (e); \
} while (0)
#define InsertHeadList(l, e) \
do { \
list_entry *f; \
\
f = l->nle_flink; \
e->nle_flink = f; \
e->nle_blink = l; \
f->nle_blink = e; \
l->nle_flink = e; \
} while (0)
#define CONTAINING_RECORD(addr, type, field) \
((type *)((vm_offset_t)(addr) - (vm_offset_t)(&((type *)0)->field)))
struct nt_dispatch_header {
uint8_t dh_type;
uint8_t dh_abs;
uint8_t dh_size;
uint8_t dh_inserted;
int32_t dh_sigstate;
list_entry dh_waitlisthead;
};
typedef struct nt_dispatch_header nt_dispatch_header;
/* Dispatcher object types */
#define DISP_TYPE_NOTIFICATION_EVENT 0 /* KEVENT */
#define DISP_TYPE_SYNCHRONIZATION_EVENT 1 /* KEVENT */
#define DISP_TYPE_MUTANT 2 /* KMUTANT/KMUTEX */
#define DISP_TYPE_PROCESS 3 /* KPROCESS */
#define DISP_TYPE_QUEUE 4 /* KQUEUE */
#define DISP_TYPE_SEMAPHORE 5 /* KSEMAPHORE */
#define DISP_TYPE_THREAD 6 /* KTHREAD */
#define DISP_TYPE_NOTIFICATION_TIMER 8 /* KTIMER */
#define DISP_TYPE_SYNCHRONIZATION_TIMER 9 /* KTIMER */
#define OTYPE_EVENT 0
#define OTYPE_MUTEX 1
#define OTYPE_THREAD 2
#define OTYPE_TIMER 3
/* Windows dispatcher levels. */
#define PASSIVE_LEVEL 0
#define LOW_LEVEL 0
#define APC_LEVEL 1
#define DISPATCH_LEVEL 2
#define DEVICE_LEVEL (DISPATCH_LEVEL + 1)
#define PROFILE_LEVEL 27
#define CLOCK1_LEVEL 28
#define CLOCK2_LEVEL 28
#define IPI_LEVEL 29
#define POWER_LEVEL 30
#define HIGH_LEVEL 31
#define SYNC_LEVEL_UP DISPATCH_LEVEL
#define SYNC_LEVEL_MP (IPI_LEVEL - 1)
#define AT_PASSIVE_LEVEL(td) \
((td)->td_proc->p_flag & P_KTHREAD == FALSE)
#define AT_DISPATCH_LEVEL(td) \
((td)->td_base_pri == PI_REALTIME)
#define AT_DIRQL_LEVEL(td) \
((td)->td_priority <= PI_NET)
#define AT_HIGH_LEVEL(td) \
((td)->td_critnest != 0)
struct nt_objref {
nt_dispatch_header no_dh;
void *no_obj;
TAILQ_ENTRY(nt_objref) link;
};
TAILQ_HEAD(nt_objref_head, nt_objref);
typedef struct nt_objref nt_objref;
#define EVENT_TYPE_NOTIFY 0
#define EVENT_TYPE_SYNC 1
/*
* We need to use the timeout()/untimeout() API for ktimers
* since timers can be initialized, but not destroyed (so
* malloc()ing our own callout structures would mean a leak,
* since there'd be no way to free() them). This means we
* need to use struct callout_handle, which is really just a
* pointer. To make it easier to deal with, we use a union
* to overlay the callout_handle over the k_timerlistentry.
* The latter is a list_entry, which is two pointers, so
* there's enough space available to hide a callout_handle
* there.
*/
struct ktimer {
nt_dispatch_header k_header;
uint64_t k_duetime;
union {
list_entry k_timerlistentry;
struct callout *k_callout;
} u;
void *k_dpc;
uint32_t k_period;
};
#define k_timerlistentry u.k_timerlistentry
#define k_callout u.k_callout
typedef struct ktimer ktimer;
struct nt_kevent {
nt_dispatch_header k_header;
};
typedef struct nt_kevent nt_kevent;
/* Kernel defered procedure call (i.e. timer callback) */
struct kdpc;
typedef void (*kdpc_func)(struct kdpc *, void *, void *, void *);
struct kdpc {
uint16_t k_type;
uint8_t k_num; /* CPU number */
uint8_t k_importance; /* priority */
list_entry k_dpclistentry;
void *k_deferedfunc;
void *k_deferredctx;
void *k_sysarg1;
void *k_sysarg2;
void *k_lock;
};
#define KDPC_IMPORTANCE_LOW 0
#define KDPC_IMPORTANCE_MEDIUM 1
#define KDPC_IMPORTANCE_HIGH 2
#define KDPC_CPU_DEFAULT 255
typedef struct kdpc kdpc;
/*
* Note: the acquisition count is BSD-specific. The Microsoft
* documentation says that mutexes can be acquired recursively
* by a given thread, but that you must release the mutex as
* many times as you acquired it before it will be set to the
* signalled state (i.e. before any other threads waiting on
* the object will be woken up). However the Windows KMUTANT
* structure has no field for keeping track of the number of
* acquisitions, so we need to add one ourselves. As long as
* driver code treats the mutex as opaque, we should be ok.
*/
struct kmutant {
nt_dispatch_header km_header;
list_entry km_listentry;
void *km_ownerthread;
uint8_t km_abandoned;
uint8_t km_apcdisable;
};
typedef struct kmutant kmutant;
#define LOOKASIDE_DEPTH 256
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;
#ifdef __i386__
kspin_lock nll_obsoletelock;
#endif
};
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 *);
struct irp;
struct kdevice_qentry {
list_entry kqe_devlistent;
uint32_t kqe_sortkey;
uint8_t kqe_inserted;
};
typedef struct kdevice_qentry kdevice_qentry;
struct kdevice_queue {
uint16_t kq_type;
uint16_t kq_size;
list_entry kq_devlisthead;
kspin_lock kq_lock;
uint8_t kq_busy;
};
typedef struct kdevice_queue kdevice_queue;
struct wait_ctx_block {
kdevice_qentry wcb_waitqueue;
void *wcb_devfunc;
void *wcb_devctx;
uint32_t wcb_mapregcnt;
void *wcb_devobj;
void *wcb_curirp;
void *wcb_bufchaindpc;
};
typedef struct wait_ctx_block wait_ctx_block;
struct wait_block {
list_entry wb_waitlist;
void *wb_kthread;
nt_dispatch_header *wb_object;
struct wait_block *wb_next;
#ifdef notdef
uint16_t wb_waitkey;
uint16_t wb_waittype;
#endif
uint8_t wb_waitkey;
uint8_t wb_waittype;
uint8_t wb_awakened;
uint8_t wb_oldpri;
};
typedef struct wait_block wait_block;
#define wb_ext wb_kthread
#define THREAD_WAIT_OBJECTS 3
#define MAX_WAIT_OBJECTS 64
#define WAITTYPE_ALL 0
#define WAITTYPE_ANY 1
#define WAITKEY_VALID 0x8000
/* kthread priority */
#define LOW_PRIORITY 0
#define LOW_REALTIME_PRIORITY 16
#define HIGH_PRIORITY 31
struct thread_context {
void *tc_thrctx;
void *tc_thrfunc;
};
typedef struct thread_context thread_context;
/* Forward declaration */
struct driver_object;
struct devobj_extension;
struct driver_extension {
struct driver_object *dre_driverobj;
void *dre_adddevicefunc;
uint32_t dre_reinitcnt;
unicode_string dre_srvname;
/*
* Drivers are allowed to add one or more custom extensions
* to the driver object, but there's no special pointer
* for them. Hang them off here for now.
*/
list_entry dre_usrext;
};
typedef struct driver_extension driver_extension;
struct custom_extension {
list_entry ce_list;
void *ce_clid;
};
typedef struct custom_extension custom_extension;
/*
* The KINTERRUPT structure in Windows is opaque to drivers.
* We define our own custom version with things we need.
*/
struct kinterrupt {
list_entry ki_list;
device_t ki_dev;
int ki_rid;
void *ki_cookie;
struct resource *ki_irq;
kspin_lock ki_lock_priv;
kspin_lock *ki_lock;
void *ki_svcfunc;
void *ki_svcctx;
};
typedef struct kinterrupt kinterrupt;
/*
* In Windows, there are Physical Device Objects (PDOs) and
* Functional Device Objects (FDOs). Physical Device Objects are
* created and maintained by bus drivers. For example, the PCI
* bus driver might detect two PCI ethernet cards on a given
* bus. The PCI bus driver will then allocate two device_objects
* for its own internal bookeeping purposes. This is analagous
* to the device_t that the FreeBSD PCI code allocates and passes
* into each PCI driver's probe and attach routines.
*
* When an ethernet driver claims one of the ethernet cards
* on the bus, it will create its own device_object. This is
* the Functional Device Object. This object is analagous to the
* device-specific softc structure.
*/
struct device_object {
uint16_t do_type;
uint16_t do_size;
uint32_t do_refcnt;
struct driver_object *do_drvobj;
struct device_object *do_nextdev;
struct device_object *do_attacheddev;
struct irp *do_currirp;
void *do_iotimer;
uint32_t do_flags;
uint32_t do_characteristics;
void *do_vpb;
void *do_devext;
uint32_t do_devtype;
uint8_t do_stacksize;
union {
list_entry do_listent;
wait_ctx_block do_wcb;
} queue;
uint32_t do_alignreq;
kdevice_queue do_devqueue;
struct kdpc do_dpc;
uint32_t do_activethreads;
void *do_securitydesc;
struct nt_kevent do_devlock;
uint16_t do_sectorsz;
uint16_t do_spare1;
struct devobj_extension *do_devobj_ext;
void *do_rsvd;
};
typedef struct device_object device_object;
struct devobj_extension {
uint16_t dve_type;
uint16_t dve_size;
device_object *dve_devobj;
};
typedef struct devobj_extension devobj_extension;
/* Device object flags */
#define DO_VERIFY_VOLUME 0x00000002
#define DO_BUFFERED_IO 0x00000004
#define DO_EXCLUSIVE 0x00000008
#define DO_DIRECT_IO 0x00000010
#define DO_MAP_IO_BUFFER 0x00000020
#define DO_DEVICE_HAS_NAME 0x00000040
#define DO_DEVICE_INITIALIZING 0x00000080
#define DO_SYSTEM_BOOT_PARTITION 0x00000100
#define DO_LONG_TERM_REQUESTS 0x00000200
#define DO_NEVER_LAST_DEVICE 0x00000400
#define DO_SHUTDOWN_REGISTERED 0x00000800
#define DO_BUS_ENUMERATED_DEVICE 0x00001000
#define DO_POWER_PAGABLE 0x00002000
#define DO_POWER_INRUSH 0x00004000
#define DO_LOW_PRIORITY_FILESYSTEM 0x00010000
/* Priority boosts */
#define IO_NO_INCREMENT 0
#define IO_CD_ROM_INCREMENT 1
#define IO_DISK_INCREMENT 1
#define IO_KEYBOARD_INCREMENT 6
#define IO_MAILSLOT_INCREMENT 2
#define IO_MOUSE_INCREMENT 6
#define IO_NAMED_PIPE_INCREMENT 2
#define IO_NETWORK_INCREMENT 2
#define IO_PARALLEL_INCREMENT 1
#define IO_SERIAL_INCREMENT 2
#define IO_SOUND_INCREMENT 8
#define IO_VIDEO_INCREMENT 1
/* IRP major codes */
#define IRP_MJ_CREATE 0x00
#define IRP_MJ_CREATE_NAMED_PIPE 0x01
#define IRP_MJ_CLOSE 0x02
#define IRP_MJ_READ 0x03
#define IRP_MJ_WRITE 0x04
#define IRP_MJ_QUERY_INFORMATION 0x05
#define IRP_MJ_SET_INFORMATION 0x06
#define IRP_MJ_QUERY_EA 0x07
#define IRP_MJ_SET_EA 0x08
#define IRP_MJ_FLUSH_BUFFERS 0x09
#define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a
#define IRP_MJ_SET_VOLUME_INFORMATION 0x0b
#define IRP_MJ_DIRECTORY_CONTROL 0x0c
#define IRP_MJ_FILE_SYSTEM_CONTROL 0x0d
#define IRP_MJ_DEVICE_CONTROL 0x0e
#define IRP_MJ_INTERNAL_DEVICE_CONTROL 0x0f
#define IRP_MJ_SHUTDOWN 0x10
#define IRP_MJ_LOCK_CONTROL 0x11
#define IRP_MJ_CLEANUP 0x12
#define IRP_MJ_CREATE_MAILSLOT 0x13
#define IRP_MJ_QUERY_SECURITY 0x14
#define IRP_MJ_SET_SECURITY 0x15
#define IRP_MJ_POWER 0x16
#define IRP_MJ_SYSTEM_CONTROL 0x17
#define IRP_MJ_DEVICE_CHANGE 0x18
#define IRP_MJ_QUERY_QUOTA 0x19
#define IRP_MJ_SET_QUOTA 0x1a
#define IRP_MJ_PNP 0x1b
#define IRP_MJ_PNP_POWER IRP_MJ_PNP // Obsolete....
#define IRP_MJ_MAXIMUM_FUNCTION 0x1b
#define IRP_MJ_SCSI IRP_MJ_INTERNAL_DEVICE_CONTROL
/* IRP minor codes */
#define IRP_MN_QUERY_DIRECTORY 0x01
#define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02
#define IRP_MN_USER_FS_REQUEST 0x00
#define IRP_MN_MOUNT_VOLUME 0x01
#define IRP_MN_VERIFY_VOLUME 0x02
#define IRP_MN_LOAD_FILE_SYSTEM 0x03
#define IRP_MN_TRACK_LINK 0x04
#define IRP_MN_KERNEL_CALL 0x04
#define IRP_MN_LOCK 0x01
#define IRP_MN_UNLOCK_SINGLE 0x02
#define IRP_MN_UNLOCK_ALL 0x03
#define IRP_MN_UNLOCK_ALL_BY_KEY 0x04
#define IRP_MN_NORMAL 0x00
#define IRP_MN_DPC 0x01
#define IRP_MN_MDL 0x02
#define IRP_MN_COMPLETE 0x04
#define IRP_MN_COMPRESSED 0x08
#define IRP_MN_MDL_DPC (IRP_MN_MDL | IRP_MN_DPC)
#define IRP_MN_COMPLETE_MDL (IRP_MN_COMPLETE | IRP_MN_MDL)
#define IRP_MN_COMPLETE_MDL_DPC (IRP_MN_COMPLETE_MDL | IRP_MN_DPC)
#define IRP_MN_SCSI_CLASS 0x01
#define IRP_MN_START_DEVICE 0x00
#define IRP_MN_QUERY_REMOVE_DEVICE 0x01
#define IRP_MN_REMOVE_DEVICE 0x02
#define IRP_MN_CANCEL_REMOVE_DEVICE 0x03
#define IRP_MN_STOP_DEVICE 0x04
#define IRP_MN_QUERY_STOP_DEVICE 0x05
#define IRP_MN_CANCEL_STOP_DEVICE 0x06
#define IRP_MN_QUERY_DEVICE_RELATIONS 0x07
#define IRP_MN_QUERY_INTERFACE 0x08
#define IRP_MN_QUERY_CAPABILITIES 0x09
#define IRP_MN_QUERY_RESOURCES 0x0A
#define IRP_MN_QUERY_RESOURCE_REQUIREMENTS 0x0B
#define IRP_MN_QUERY_DEVICE_TEXT 0x0C
#define IRP_MN_FILTER_RESOURCE_REQUIREMENTS 0x0D
#define IRP_MN_READ_CONFIG 0x0F
#define IRP_MN_WRITE_CONFIG 0x10
#define IRP_MN_EJECT 0x11
#define IRP_MN_SET_LOCK 0x12
#define IRP_MN_QUERY_ID 0x13
#define IRP_MN_QUERY_PNP_DEVICE_STATE 0x14
#define IRP_MN_QUERY_BUS_INFORMATION 0x15
#define IRP_MN_DEVICE_USAGE_NOTIFICATION 0x16
#define IRP_MN_SURPRISE_REMOVAL 0x17
#define IRP_MN_QUERY_LEGACY_BUS_INFORMATION 0x18
#define IRP_MN_WAIT_WAKE 0x00
#define IRP_MN_POWER_SEQUENCE 0x01
#define IRP_MN_SET_POWER 0x02
#define IRP_MN_QUERY_POWER 0x03
#define IRP_MN_QUERY_ALL_DATA 0x00
#define IRP_MN_QUERY_SINGLE_INSTANCE 0x01
#define IRP_MN_CHANGE_SINGLE_INSTANCE 0x02
#define IRP_MN_CHANGE_SINGLE_ITEM 0x03
#define IRP_MN_ENABLE_EVENTS 0x04
#define IRP_MN_DISABLE_EVENTS 0x05
#define IRP_MN_ENABLE_COLLECTION 0x06
#define IRP_MN_DISABLE_COLLECTION 0x07
#define IRP_MN_REGINFO 0x08
#define IRP_MN_EXECUTE_METHOD 0x09
#define IRP_MN_REGINFO_EX 0x0b
/* IRP flags */
#define IRP_NOCACHE 0x00000001
#define IRP_PAGING_IO 0x00000002
#define IRP_MOUNT_COMPLETION 0x00000002
#define IRP_SYNCHRONOUS_API 0x00000004
#define IRP_ASSOCIATED_IRP 0x00000008
#define IRP_BUFFERED_IO 0x00000010
#define IRP_DEALLOCATE_BUFFER 0x00000020
#define IRP_INPUT_OPERATION 0x00000040
#define IRP_SYNCHRONOUS_PAGING_IO 0x00000040
#define IRP_CREATE_OPERATION 0x00000080
#define IRP_READ_OPERATION 0x00000100
#define IRP_WRITE_OPERATION 0x00000200
#define IRP_CLOSE_OPERATION 0x00000400
#define IRP_DEFER_IO_COMPLETION 0x00000800
#define IRP_OB_QUERY_NAME 0x00001000
#define IRP_HOLD_DEVICE_QUEUE 0x00002000
#define IRP_RETRY_IO_COMPLETION 0x00004000
#define IRP_CLASS_CACHE_OPERATION 0x00008000
#define IRP_SET_USER_EVENT IRP_CLOSE_OPERATION
/* IRP I/O control flags */
#define IRP_QUOTA_CHARGED 0x01
#define IRP_ALLOCATED_MUST_SUCCEED 0x02
#define IRP_ALLOCATED_FIXED_SIZE 0x04
#define IRP_LOOKASIDE_ALLOCATION 0x08
/* I/O method types */
#define METHOD_BUFFERED 0
#define METHOD_IN_DIRECT 1
#define METHOD_OUT_DIRECT 2
#define METHOD_NEITHER 3
/* File access types */
#define FILE_ANY_ACCESS 0x0000
#define FILE_SPECIAL_ACCESS FILE_ANY_ACCESS
#define FILE_READ_ACCESS 0x0001
#define FILE_WRITE_ACCESS 0x0002
/* Recover I/O access method from IOCTL code. */
#define IO_METHOD(x) ((x) & 0xFFFFFFFC)
/* Recover function code from IOCTL code */
#define IO_FUNC(x) (((x) & 0x7FFC) >> 2)
/* Macro to construct an IOCTL code. */
#define IOCTL_CODE(dev, func, iomethod, acc) \
((dev) << 16) | (acc << 14) | (func << 2) | (iomethod))
struct io_status_block {
union {
uint32_t isb_status;
void *isb_ptr;
} u;
register_t isb_info;
};
#define isb_status u.isb_status
#define isb_ptr u.isb_ptr
typedef struct io_status_block io_status_block;
struct kapc {
uint16_t apc_type;
uint16_t apc_size;
uint32_t apc_spare0;
void *apc_thread;
list_entry apc_list;
void *apc_kernfunc;
void *apc_rundownfunc;
void *apc_normalfunc;
void *apc_normctx;
void *apc_sysarg1;
void *apc_sysarg2;
uint8_t apc_stateidx;
uint8_t apc_cpumode;
uint8_t apc_inserted;
};
typedef struct kapc kapc;
typedef uint32_t (*completion_func)(device_object *,
struct irp *, void *);
typedef uint32_t (*cancel_func)(device_object *,
struct irp *);
struct io_stack_location {
uint8_t isl_major;
uint8_t isl_minor;
uint8_t isl_flags;
uint8_t isl_ctl;
/*
* There's a big-ass union here in the actual Windows
* definition of the stucture, but it contains stuff
* that doesn't really apply to BSD, and defining it
* all properly would require duplicating over a dozen
* other structures that we'll never use. Since the
* io_stack_location structure is opaque to drivers
* anyway, I'm not going to bother with the extra crap.
*/
union {
struct {
uint32_t isl_len;
uint32_t *isl_key;
uint64_t isl_byteoff;
} isl_read;
struct {
uint32_t isl_len;
uint32_t *isl_key;
uint64_t isl_byteoff;
} isl_write;
struct {
uint32_t isl_obuflen;
uint32_t isl_ibuflen;
uint32_t isl_iocode;
void *isl_type3ibuf;
} isl_ioctl;
struct {
void *isl_arg1;
void *isl_arg2;
void *isl_arg3;
void *isl_arg4;
} isl_others;
} isl_parameters __attribute__((packed));
void *isl_devobj;
void *isl_fileobj;
completion_func isl_completionfunc;
void *isl_completionctx;
};
typedef struct io_stack_location io_stack_location;
/* Stack location control flags */
#define SL_PENDING_RETURNED 0x01
#define SL_INVOKE_ON_CANCEL 0x20
#define SL_INVOKE_ON_SUCCESS 0x40
#define SL_INVOKE_ON_ERROR 0x80
struct irp {
uint16_t irp_type;
uint16_t irp_size;
mdl *irp_mdl;
uint32_t irp_flags;
union {
struct irp *irp_master;
uint32_t irp_irpcnt;
void *irp_sysbuf;
} irp_assoc;
list_entry irp_thlist;
io_status_block irp_iostat;
uint8_t irp_reqmode;
uint8_t irp_pendingreturned;
uint8_t irp_stackcnt;
uint8_t irp_currentstackloc;
uint8_t irp_cancel;
uint8_t irp_cancelirql;
uint8_t irp_apcenv;
uint8_t irp_allocflags;
io_status_block *irp_usriostat;
nt_kevent *irp_usrevent;
union {
struct {
void *irp_apcfunc;
void *irp_apcctx;
} irp_asyncparms;
uint64_t irp_allocsz;
} irp_overlay;
cancel_func irp_cancelfunc;
void *irp_userbuf;
/* Windows kernel info */
union {
struct {
union {
kdevice_qentry irp_dqe;
struct {
void *irp_drvctx[4];
} s1;
} u1;
void *irp_thread;
char *irp_auxbuf;
struct {
list_entry irp_list;
union {
io_stack_location *irp_csl;
uint32_t irp_pkttype;
} u2;
} s2;
void *irp_fileobj;
} irp_overlay;
union {
kapc irp_apc;
struct {
void *irp_ep;
void *irp_dev;
} irp_usb;
} irp_misc;
void *irp_compkey;
} irp_tail;
};
#define irp_csl s2.u2.irp_csl
#define irp_pkttype s2.u2.irp_pkttype
#define IRP_NDIS_DEV(irp) (irp)->irp_tail.irp_misc.irp_usb.irp_dev
#define IRP_NDISUSB_EP(irp) (irp)->irp_tail.irp_misc.irp_usb.irp_ep
typedef struct irp irp;
#define InterlockedExchangePointer(dst, val) \
(void *)InterlockedExchange((uint32_t *)(dst), (uintptr_t)(val))
#define IoSizeOfIrp(ssize) \
((uint16_t) (sizeof(irp) + ((ssize) * (sizeof(io_stack_location)))))
#define IoSetCancelRoutine(irp, func) \
(cancel_func)InterlockedExchangePointer( \
(void *)&(ip)->irp_cancelfunc, (void *)(func))
#define IoSetCancelValue(irp, val) \
(u_long)InterlockedExchangePointer( \
(void *)&(ip)->irp_cancel, (void *)(val))
#define IoGetCurrentIrpStackLocation(irp) \
(irp)->irp_tail.irp_overlay.irp_csl
#define IoGetNextIrpStackLocation(irp) \
((irp)->irp_tail.irp_overlay.irp_csl - 1)
#define IoSetNextIrpStackLocation(irp) \
do { \
irp->irp_currentstackloc--; \
irp->irp_tail.irp_overlay.irp_csl--; \
} while(0)
#define IoSetCompletionRoutine(irp, func, ctx, ok, err, cancel) \
do { \
io_stack_location *s; \
s = IoGetNextIrpStackLocation((irp)); \
s->isl_completionfunc = (func); \
s->isl_completionctx = (ctx); \
s->isl_ctl = 0; \
if (ok) s->isl_ctl = SL_INVOKE_ON_SUCCESS; \
if (err) s->isl_ctl |= SL_INVOKE_ON_ERROR; \
if (cancel) s->isl_ctl |= SL_INVOKE_ON_CANCEL; \
} while(0)
#define IoMarkIrpPending(irp) \
IoGetCurrentIrpStackLocation(irp)->isl_ctl |= SL_PENDING_RETURNED
#define IoUnmarkIrpPending(irp) \
IoGetCurrentIrpStackLocation(irp)->isl_ctl &= ~SL_PENDING_RETURNED
#define IoCopyCurrentIrpStackLocationToNext(irp) \
do { \
io_stack_location *src, *dst; \
src = IoGetCurrentIrpStackLocation(irp); \
dst = IoGetNextIrpStackLocation(irp); \
bcopy((char *)src, (char *)dst, \
offsetof(io_stack_location, isl_completionfunc)); \
} while(0)
#define IoSkipCurrentIrpStackLocation(irp) \
do { \
(irp)->irp_currentstackloc++; \
(irp)->irp_tail.irp_overlay.irp_csl++; \
} while(0)
#define IoInitializeDpcRequest(dobj, dpcfunc) \
KeInitializeDpc(&(dobj)->do_dpc, dpcfunc, dobj)
#define IoRequestDpc(dobj, irp, ctx) \
KeInsertQueueDpc(&(dobj)->do_dpc, irp, ctx)
typedef uint32_t (*driver_dispatch)(device_object *, irp *);
/*
* The driver_object is allocated once for each driver that's loaded
* into the system. A new one is allocated for each driver and
* populated a bit via the driver's DriverEntry function.
* In general, a Windows DriverEntry() function will provide a pointer
* to its AddDevice() method and set up the dispatch table.
* For NDIS drivers, this is all done behind the scenes in the
* NdisInitializeWrapper() and/or NdisMRegisterMiniport() routines.
*/
struct driver_object {
uint16_t dro_type;
uint16_t dro_size;
device_object *dro_devobj;
uint32_t dro_flags;
void *dro_driverstart;
uint32_t dro_driversize;
void *dro_driversection;
driver_extension *dro_driverext;
unicode_string dro_drivername;
unicode_string *dro_hwdb;
void *dro_pfastiodispatch;
void *dro_driverinitfunc;
void *dro_driverstartiofunc;
void *dro_driverunloadfunc;
driver_dispatch dro_dispatch[IRP_MJ_MAXIMUM_FUNCTION + 1];
};
typedef struct driver_object driver_object;
#define DEVPROP_DEVICE_DESCRIPTION 0x00000000
#define DEVPROP_HARDWARE_ID 0x00000001
#define DEVPROP_COMPATIBLE_IDS 0x00000002
#define DEVPROP_BOOTCONF 0x00000003
#define DEVPROP_BOOTCONF_TRANSLATED 0x00000004
#define DEVPROP_CLASS_NAME 0x00000005
#define DEVPROP_CLASS_GUID 0x00000006
#define DEVPROP_DRIVER_KEYNAME 0x00000007
#define DEVPROP_MANUFACTURER 0x00000008
#define DEVPROP_FRIENDLYNAME 0x00000009
#define DEVPROP_LOCATION_INFO 0x0000000A
#define DEVPROP_PHYSDEV_NAME 0x0000000B
#define DEVPROP_BUSTYPE_GUID 0x0000000C
#define DEVPROP_LEGACY_BUSTYPE 0x0000000D
#define DEVPROP_BUS_NUMBER 0x0000000E
#define DEVPROP_ENUMERATOR_NAME 0x0000000F
#define DEVPROP_ADDRESS 0x00000010
#define DEVPROP_UINUMBER 0x00000011
#define DEVPROP_INSTALL_STATE 0x00000012
#define DEVPROP_REMOVAL_POLICY 0x00000013
/* Various supported device types (used with IoCreateDevice()) */
#define FILE_DEVICE_BEEP 0x00000001
#define FILE_DEVICE_CD_ROM 0x00000002
#define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003
#define FILE_DEVICE_CONTROLLER 0x00000004
#define FILE_DEVICE_DATALINK 0x00000005
#define FILE_DEVICE_DFS 0x00000006
#define FILE_DEVICE_DISK 0x00000007
#define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008
#define FILE_DEVICE_FILE_SYSTEM 0x00000009
#define FILE_DEVICE_INPORT_PORT 0x0000000A
#define FILE_DEVICE_KEYBOARD 0x0000000B
#define FILE_DEVICE_MAILSLOT 0x0000000C
#define FILE_DEVICE_MIDI_IN 0x0000000D
#define FILE_DEVICE_MIDI_OUT 0x0000000E
#define FILE_DEVICE_MOUSE 0x0000000F
#define FILE_DEVICE_MULTI_UNC_PROVIDER 0x00000010
#define FILE_DEVICE_NAMED_PIPE 0x00000011
#define FILE_DEVICE_NETWORK 0x00000012
#define FILE_DEVICE_NETWORK_BROWSER 0x00000013
#define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014
#define FILE_DEVICE_NULL 0x00000015
#define FILE_DEVICE_PARALLEL_PORT 0x00000016
#define FILE_DEVICE_PHYSICAL_NETCARD 0x00000017
#define FILE_DEVICE_PRINTER 0x00000018
#define FILE_DEVICE_SCANNER 0x00000019
#define FILE_DEVICE_SERIAL_MOUSE_PORT 0x0000001A
#define FILE_DEVICE_SERIAL_PORT 0x0000001B
#define FILE_DEVICE_SCREEN 0x0000001C
#define FILE_DEVICE_SOUND 0x0000001D
#define FILE_DEVICE_STREAMS 0x0000001E
#define FILE_DEVICE_TAPE 0x0000001F
#define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020
#define FILE_DEVICE_TRANSPORT 0x00000021
#define FILE_DEVICE_UNKNOWN 0x00000022
#define FILE_DEVICE_VIDEO 0x00000023
#define FILE_DEVICE_VIRTUAL_DISK 0x00000024
#define FILE_DEVICE_WAVE_IN 0x00000025
#define FILE_DEVICE_WAVE_OUT 0x00000026
#define FILE_DEVICE_8042_PORT 0x00000027
#define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028
#define FILE_DEVICE_BATTERY 0x00000029
#define FILE_DEVICE_BUS_EXTENDER 0x0000002A
#define FILE_DEVICE_MODEM 0x0000002B
#define FILE_DEVICE_VDM 0x0000002C
#define FILE_DEVICE_MASS_STORAGE 0x0000002D
#define FILE_DEVICE_SMB 0x0000002E
#define FILE_DEVICE_KS 0x0000002F
#define FILE_DEVICE_CHANGER 0x00000030
#define FILE_DEVICE_SMARTCARD 0x00000031
#define FILE_DEVICE_ACPI 0x00000032
#define FILE_DEVICE_DVD 0x00000033
#define FILE_DEVICE_FULLSCREEN_VIDEO 0x00000034
#define FILE_DEVICE_DFS_FILE_SYSTEM 0x00000035
#define FILE_DEVICE_DFS_VOLUME 0x00000036
#define FILE_DEVICE_SERENUM 0x00000037
#define FILE_DEVICE_TERMSRV 0x00000038
#define FILE_DEVICE_KSEC 0x00000039
#define FILE_DEVICE_FIPS 0x0000003A
/* Device characteristics */
#define FILE_REMOVABLE_MEDIA 0x00000001
#define FILE_READ_ONLY_DEVICE 0x00000002
#define FILE_FLOPPY_DISKETTE 0x00000004
#define FILE_WRITE_ONCE_MEDIA 0x00000008
#define FILE_REMOTE_DEVICE 0x00000010
#define FILE_DEVICE_IS_MOUNTED 0x00000020
#define FILE_VIRTUAL_VOLUME 0x00000040
#define FILE_AUTOGENERATED_DEVICE_NAME 0x00000080
#define FILE_DEVICE_SECURE_OPEN 0x00000100
/* Status codes */
#define STATUS_SUCCESS 0x00000000
#define STATUS_USER_APC 0x000000C0
#define STATUS_KERNEL_APC 0x00000100
#define STATUS_ALERTED 0x00000101
#define STATUS_TIMEOUT 0x00000102
#define STATUS_PENDING 0x00000103
#define STATUS_FAILURE 0xC0000001
#define STATUS_NOT_IMPLEMENTED 0xC0000002
#define STATUS_INVALID_PARAMETER 0xC000000D
#define STATUS_INVALID_DEVICE_REQUEST 0xC0000010
#define STATUS_MORE_PROCESSING_REQUIRED 0xC0000016
#define STATUS_NO_MEMORY 0xC0000017
#define STATUS_BUFFER_TOO_SMALL 0xC0000023
#define STATUS_MUTANT_NOT_OWNED 0xC0000046
#define STATUS_NOT_SUPPORTED 0xC00000BB
#define STATUS_INVALID_PARAMETER_2 0xC00000F0
#define STATUS_INSUFFICIENT_RESOURCES 0xC000009A
#define STATUS_DEVICE_NOT_CONNECTED 0xC000009D
#define STATUS_CANCELLED 0xC0000120
#define STATUS_NOT_FOUND 0xC0000225
#define STATUS_DEVICE_REMOVED 0xC00002B6
#define STATUS_WAIT_0 0x00000000
/* Memory pool types, for ExAllocatePoolWithTag() */
#define NonPagedPool 0x00000000
#define PagedPool 0x00000001
#define NonPagedPoolMustSucceed 0x00000002
#define DontUseThisType 0x00000003
#define NonPagedPoolCacheAligned 0x00000004
#define PagedPoolCacheAligned 0x00000005
#define NonPagedPoolCacheAlignedMustS 0x00000006
#define MaxPoolType 0x00000007
/*
* IO_WORKITEM is an opaque structures that must be allocated
* via IoAllocateWorkItem() and released via IoFreeWorkItem().
* Consequently, we can define it any way we want.
*/
typedef void (*io_workitem_func)(device_object *, void *);
struct io_workitem {
io_workitem_func iw_func;
void *iw_ctx;
list_entry iw_listentry;
device_object *iw_dobj;
int iw_idx;
};
typedef struct io_workitem io_workitem;
#define WORKQUEUE_CRITICAL 0
#define WORKQUEUE_DELAYED 1
#define WORKQUEUE_HYPERCRITICAL 2
#define WORKITEM_THREADS 4
#define WORKITEM_LEGACY_THREAD 3
#define WORKIDX_INC(x) (x) = (x + 1) % WORKITEM_LEGACY_THREAD
/*
* Older, deprecated work item API, needed to support NdisQueueWorkItem().
*/
struct work_queue_item;
typedef void (*work_item_func)(struct work_queue_item *, void *);
struct work_queue_item {
list_entry wqi_entry;
work_item_func wqi_func;
void *wqi_ctx;
};
typedef struct work_queue_item work_queue_item;
#define ExInitializeWorkItem(w, func, ctx) \
do { \
(w)->wqi_func = (func); \
(w)->wqi_ctx = (ctx); \
InitializeListHead(&((w)->wqi_entry)); \
} while (0)
/*
* FreeBSD's kernel stack is 2 pages in size by default. The
* Windows stack is larger, so we need to give our threads more
* stack pages. 4 should be enough, we use 8 just to extra safe.
*/
#define NDIS_KSTACK_PAGES 8
/*
* Different kinds of function wrapping we can do.
*/
#define WINDRV_WRAP_STDCALL 1
#define WINDRV_WRAP_FASTCALL 2
#define WINDRV_WRAP_REGPARM 3
#define WINDRV_WRAP_CDECL 4
#define WINDRV_WRAP_AMD64 5
struct drvdb_ent {
driver_object *windrv_object;
void *windrv_devlist;
ndis_cfg *windrv_regvals;
interface_type windrv_bustype;
STAILQ_ENTRY(drvdb_ent) link;
};
extern image_patch_table ntoskrnl_functbl[];
typedef void (*funcptr)(void);
typedef int (*matchfuncptr)(interface_type, void *, void *);
__BEGIN_DECLS
extern int windrv_libinit(void);
extern int windrv_libfini(void);
extern driver_object *windrv_lookup(vm_offset_t, char *);
extern struct drvdb_ent *windrv_match(matchfuncptr, void *);
extern int windrv_load(module_t, vm_offset_t, int, interface_type,
void *, ndis_cfg *);
extern int windrv_unload(module_t, vm_offset_t, int);
extern int windrv_create_pdo(driver_object *, device_t);
extern void windrv_destroy_pdo(driver_object *, device_t);
extern device_object *windrv_find_pdo(driver_object *, device_t);
extern int windrv_bus_attach(driver_object *, char *);
extern int windrv_wrap(funcptr, funcptr *, int, int);
extern int windrv_unwrap(funcptr);
extern void ctxsw_utow(void);
extern void ctxsw_wtou(void);
extern int ntoskrnl_libinit(void);
extern int ntoskrnl_libfini(void);
extern void ntoskrnl_intr(void *);
extern void ntoskrnl_time(uint64_t *);
extern uint16_t ExQueryDepthSList(slist_header *);
extern slist_entry
*InterlockedPushEntrySList(slist_header *, slist_entry *);
extern slist_entry *InterlockedPopEntrySList(slist_header *);
extern uint32_t RtlUnicodeStringToAnsiString(ansi_string *,
unicode_string *, uint8_t);
extern uint32_t RtlAnsiStringToUnicodeString(unicode_string *,
ansi_string *, uint8_t);
extern void RtlInitAnsiString(ansi_string *, char *);
extern void RtlInitUnicodeString(unicode_string *,
uint16_t *);
extern void RtlFreeUnicodeString(unicode_string *);
extern void RtlFreeAnsiString(ansi_string *);
extern void KeInitializeDpc(kdpc *, void *, void *);
extern uint8_t KeInsertQueueDpc(kdpc *, void *, void *);
extern uint8_t KeRemoveQueueDpc(kdpc *);
extern void KeSetImportanceDpc(kdpc *, uint32_t);
extern void KeSetTargetProcessorDpc(kdpc *, uint8_t);
extern void KeFlushQueuedDpcs(void);
extern uint32_t KeGetCurrentProcessorNumber(void);
extern void KeInitializeTimer(ktimer *);
extern void KeInitializeTimerEx(ktimer *, uint32_t);
extern uint8_t KeSetTimer(ktimer *, int64_t, kdpc *);
extern uint8_t KeSetTimerEx(ktimer *, int64_t, uint32_t, kdpc *);
extern uint8_t KeCancelTimer(ktimer *);
extern uint8_t KeReadStateTimer(ktimer *);
extern uint32_t KeWaitForSingleObject(void *, uint32_t,
uint32_t, uint8_t, int64_t *);
extern void KeInitializeEvent(nt_kevent *, uint32_t, uint8_t);
extern void KeClearEvent(nt_kevent *);
extern uint32_t KeReadStateEvent(nt_kevent *);
extern uint32_t KeSetEvent(nt_kevent *, uint32_t, uint8_t);
extern uint32_t KeResetEvent(nt_kevent *);
#ifdef __i386__
extern void KefAcquireSpinLockAtDpcLevel(kspin_lock *);
extern void KefReleaseSpinLockFromDpcLevel(kspin_lock *);
extern uint8_t KeAcquireSpinLockRaiseToDpc(kspin_lock *);
#else
extern void KeAcquireSpinLockAtDpcLevel(kspin_lock *);
extern void KeReleaseSpinLockFromDpcLevel(kspin_lock *);
#endif
extern void KeInitializeSpinLock(kspin_lock *);
extern uint8_t KeAcquireInterruptSpinLock(kinterrupt *);
extern void KeReleaseInterruptSpinLock(kinterrupt *, uint8_t);
extern uint8_t KeSynchronizeExecution(kinterrupt *, void *, void *);
extern uintptr_t InterlockedExchange(volatile uint32_t *,
uintptr_t);
extern void *ExAllocatePoolWithTag(uint32_t, size_t, uint32_t);
extern void ExFreePool(void *);
extern uint32_t IoConnectInterrupt(kinterrupt **, void *, void *,
kspin_lock *, uint32_t, uint8_t, uint8_t, uint8_t, uint8_t,
uint32_t, uint8_t);
extern uint8_t MmIsAddressValid(void *);
extern void *MmMapIoSpace(uint64_t, uint32_t, uint32_t);
extern void MmUnmapIoSpace(void *, size_t);
extern void MmBuildMdlForNonPagedPool(mdl *);
extern void IoDisconnectInterrupt(kinterrupt *);
extern uint32_t IoAllocateDriverObjectExtension(driver_object *,
void *, uint32_t, void **);
extern void *IoGetDriverObjectExtension(driver_object *, void *);
extern uint32_t IoCreateDevice(driver_object *, uint32_t,
unicode_string *, uint32_t, uint32_t, uint8_t, device_object **);
extern void IoDeleteDevice(device_object *);
extern device_object *IoGetAttachedDevice(device_object *);
extern uint32_t IofCallDriver(device_object *, irp *);
extern void IofCompleteRequest(irp *, uint8_t);
extern void IoAcquireCancelSpinLock(uint8_t *);
extern void IoReleaseCancelSpinLock(uint8_t);
extern uint8_t IoCancelIrp(irp *);
extern void IoDetachDevice(device_object *);
extern device_object *IoAttachDeviceToDeviceStack(device_object *,
device_object *);
extern mdl *IoAllocateMdl(void *, uint32_t, uint8_t, uint8_t, irp *);
extern void IoFreeMdl(mdl *);
extern io_workitem *IoAllocateWorkItem(device_object *);
extern void ExQueueWorkItem(work_queue_item *, u_int32_t);
extern void IoFreeWorkItem(io_workitem *);
extern void IoQueueWorkItem(io_workitem *, io_workitem_func,
uint32_t, void *);
#define IoCallDriver(a, b) IofCallDriver(a, b)
#define IoCompleteRequest(a, b) IofCompleteRequest(a, b)
/*
* On the Windows x86 arch, KeAcquireSpinLock() and KeReleaseSpinLock()
* routines live in the HAL. We try to imitate this behavior.
*/
#ifdef __i386__
#define KeAcquireSpinLock(a, b) *(b) = KfAcquireSpinLock(a)
#define KeReleaseSpinLock(a, b) KfReleaseSpinLock(a, b)
#define KeRaiseIrql(a, b) *(b) = KfRaiseIrql(a)
#define KeLowerIrql(a) KfLowerIrql(a)
#define KeAcquireSpinLockAtDpcLevel(a) KefAcquireSpinLockAtDpcLevel(a)
#define KeReleaseSpinLockFromDpcLevel(a) KefReleaseSpinLockFromDpcLevel(a)
#endif /* __i386__ */
#ifdef __amd64__
#define KeAcquireSpinLock(a, b) *(b) = KfAcquireSpinLock(a)
#define KeReleaseSpinLock(a, b) KfReleaseSpinLock(a, b)
/*
* These may need to be redefined later;
* not sure where they live on amd64 yet.
*/
#define KeRaiseIrql(a, b) *(b) = KfRaiseIrql(a)
#define KeLowerIrql(a) KfLowerIrql(a)
#endif /* __amd64__ */
__END_DECLS
#endif /* _NTOSKRNL_VAR_H_ */
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