Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/compat/ndis/ntoskrnl_var.h
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1 /*- 2 * SPDX-License-Identifier: BSD-4-Clause 3 * 4 * Copyright (c) 2003 5 * Bill Paul <wpaul@windriver.com>. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD: releng/12.0/sys/compat/ndis/ntoskrnl_var.h 325966 2017-11-18 14:26:50Z pfg $ 35 */ 36 37 #ifndef _NTOSKRNL_VAR_H_ 38 #define _NTOSKRNL_VAR_H_ 39 40 #define MTX_NTOSKRNL_SPIN_LOCK "NDIS thread lock" 41 42 /* 43 * us_buf is really a wchar_t *, but it's inconvenient to include 44 * all the necessary header goop needed to define it, and it's a 45 * pointer anyway, so for now, just make it a uint16_t *. 46 */ 47 struct unicode_string { 48 uint16_t us_len; 49 uint16_t us_maxlen; 50 uint16_t *us_buf; 51 }; 52 53 typedef struct unicode_string unicode_string; 54 55 struct ansi_string { 56 uint16_t as_len; 57 uint16_t as_maxlen; 58 char *as_buf; 59 }; 60 61 typedef struct ansi_string ansi_string; 62 63 /* 64 * Windows memory descriptor list. In Windows, it's possible for 65 * buffers to be passed between user and kernel contexts without 66 * copying. Buffers may also be allocated in either paged or 67 * non-paged memory regions. An MDL describes the pages of memory 68 * used to contain a particular buffer. Note that a single MDL 69 * may describe a buffer that spans multiple pages. An array of 70 * page addresses appears immediately after the MDL structure itself. 71 * MDLs are therefore implicitly variably sized, even though they 72 * don't look it. 73 * 74 * Note that in FreeBSD, we can take many shortcuts in the way 75 * we handle MDLs because: 76 * 77 * - We are only concerned with pages in kernel context. This means 78 * we will only ever use the kernel's memory map, and remapping 79 * of buffers is never needed. 80 * 81 * - Kernel pages can never be paged out, so we don't have to worry 82 * about whether or not a page is actually mapped before going to 83 * touch it. 84 */ 85 86 struct mdl { 87 struct mdl *mdl_next; 88 uint16_t mdl_size; 89 uint16_t mdl_flags; 90 void *mdl_process; 91 void *mdl_mappedsystemva; 92 void *mdl_startva; 93 uint32_t mdl_bytecount; 94 uint32_t mdl_byteoffset; 95 }; 96 97 typedef struct mdl mdl, ndis_buffer; 98 99 /* MDL flags */ 100 101 #define MDL_MAPPED_TO_SYSTEM_VA 0x0001 102 #define MDL_PAGES_LOCKED 0x0002 103 #define MDL_SOURCE_IS_NONPAGED_POOL 0x0004 104 #define MDL_ALLOCATED_FIXED_SIZE 0x0008 105 #define MDL_PARTIAL 0x0010 106 #define MDL_PARTIAL_HAS_BEEN_MAPPED 0x0020 107 #define MDL_IO_PAGE_READ 0x0040 108 #define MDL_WRITE_OPERATION 0x0080 109 #define MDL_PARENT_MAPPED_SYSTEM_VA 0x0100 110 #define MDL_FREE_EXTRA_PTES 0x0200 111 #define MDL_IO_SPACE 0x0800 112 #define MDL_NETWORK_HEADER 0x1000 113 #define MDL_MAPPING_CAN_FAIL 0x2000 114 #define MDL_ALLOCATED_MUST_SUCCEED 0x4000 115 #define MDL_ZONE_ALLOCED 0x8000 /* BSD private */ 116 117 #define MDL_ZONE_PAGES 16 118 #define MDL_ZONE_SIZE (sizeof(mdl) + (sizeof(vm_offset_t) * MDL_ZONE_PAGES)) 119 120 /* Note: assumes x86 page size of 4K. */ 121 122 #ifndef PAGE_SHIFT 123 #if PAGE_SIZE == 4096 124 #define PAGE_SHIFT 12 125 #elif PAGE_SIZE == 8192 126 #define PAGE_SHIFT 13 127 #else 128 #error PAGE_SHIFT undefined! 129 #endif 130 #endif 131 132 #define SPAN_PAGES(ptr, len) \ 133 ((uint32_t)((((uintptr_t)(ptr) & (PAGE_SIZE - 1)) + \ 134 (len) + (PAGE_SIZE - 1)) >> PAGE_SHIFT)) 135 136 #define PAGE_ALIGN(ptr) \ 137 ((void *)((uintptr_t)(ptr) & ~(PAGE_SIZE - 1))) 138 139 #define BYTE_OFFSET(ptr) \ 140 ((uint32_t)((uintptr_t)(ptr) & (PAGE_SIZE - 1))) 141 142 #define MDL_PAGES(m) (vm_offset_t *)(m + 1) 143 144 #define MmInitializeMdl(b, baseva, len) \ 145 (b)->mdl_next = NULL; \ 146 (b)->mdl_size = (uint16_t)(sizeof(mdl) + \ 147 (sizeof(vm_offset_t) * SPAN_PAGES((baseva), (len)))); \ 148 (b)->mdl_flags = 0; \ 149 (b)->mdl_startva = (void *)PAGE_ALIGN((baseva)); \ 150 (b)->mdl_byteoffset = BYTE_OFFSET((baseva)); \ 151 (b)->mdl_bytecount = (uint32_t)(len); 152 153 #define MmGetMdlByteOffset(mdl) ((mdl)->mdl_byteoffset) 154 #define MmGetMdlByteCount(mdl) ((mdl)->mdl_bytecount) 155 #define MmGetMdlVirtualAddress(mdl) \ 156 ((void *)((char *)((mdl)->mdl_startva) + (mdl)->mdl_byteoffset)) 157 #define MmGetMdlStartVa(mdl) ((mdl)->mdl_startva) 158 #define MmGetMdlPfnArray(mdl) MDL_PAGES(mdl) 159 160 #define WDM_MAJOR 1 161 #define WDM_MINOR_WIN98 0x00 162 #define WDM_MINOR_WINME 0x05 163 #define WDM_MINOR_WIN2000 0x10 164 #define WDM_MINOR_WINXP 0x20 165 #define WDM_MINOR_WIN2003 0x30 166 167 enum nt_caching_type { 168 MmNonCached = 0, 169 MmCached = 1, 170 MmWriteCombined = 2, 171 MmHardwareCoherentCached = 3, 172 MmNonCachedUnordered = 4, 173 MmUSWCCached = 5, 174 MmMaximumCacheType = 6 175 }; 176 177 /*- 178 * The ndis_kspin_lock type is called KSPIN_LOCK in MS-Windows. 179 * According to the Windows DDK header files, KSPIN_LOCK is defined like this: 180 * typedef ULONG_PTR KSPIN_LOCK; 181 * 182 * From basetsd.h (SDK, Feb. 2003): 183 * typedef [public] unsigned __int3264 ULONG_PTR, *PULONG_PTR; 184 * typedef unsigned __int64 ULONG_PTR, *PULONG_PTR; 185 * typedef _W64 unsigned long ULONG_PTR, *PULONG_PTR; 186 * 187 * The keyword __int3264 specifies an integral type that has the following 188 * properties: 189 * + It is 32-bit on 32-bit platforms 190 * + It is 64-bit on 64-bit platforms 191 * + It is 32-bit on the wire for backward compatibility. 192 * It gets truncated on the sending side and extended appropriately 193 * (signed or unsigned) on the receiving side. 194 * 195 * Thus register_t seems the proper mapping onto FreeBSD for spin locks. 196 */ 197 198 typedef register_t kspin_lock; 199 200 struct slist_entry { 201 struct slist_entry *sl_next; 202 }; 203 204 typedef struct slist_entry slist_entry; 205 206 union slist_header { 207 uint64_t slh_align; 208 struct { 209 struct slist_entry *slh_next; 210 uint16_t slh_depth; 211 uint16_t slh_seq; 212 } slh_list; 213 }; 214 215 typedef union slist_header slist_header; 216 217 struct list_entry { 218 struct list_entry *nle_flink; 219 struct list_entry *nle_blink; 220 }; 221 222 typedef struct list_entry list_entry; 223 224 #define InitializeListHead(l) \ 225 (l)->nle_flink = (l)->nle_blink = (l) 226 227 #define IsListEmpty(h) \ 228 ((h)->nle_flink == (h)) 229 230 #define RemoveEntryList(e) \ 231 do { \ 232 list_entry *b; \ 233 list_entry *f; \ 234 \ 235 f = (e)->nle_flink; \ 236 b = (e)->nle_blink; \ 237 b->nle_flink = f; \ 238 f->nle_blink = b; \ 239 } while (0) 240 241 /* These two have to be inlined since they return things. */ 242 243 static __inline__ list_entry * 244 RemoveHeadList(list_entry *l) 245 { 246 list_entry *f; 247 list_entry *e; 248 249 e = l->nle_flink; 250 f = e->nle_flink; 251 l->nle_flink = f; 252 f->nle_blink = l; 253 254 return (e); 255 } 256 257 static __inline__ list_entry * 258 RemoveTailList(list_entry *l) 259 { 260 list_entry *b; 261 list_entry *e; 262 263 e = l->nle_blink; 264 b = e->nle_blink; 265 l->nle_blink = b; 266 b->nle_flink = l; 267 268 return (e); 269 } 270 271 #define InsertTailList(l, e) \ 272 do { \ 273 list_entry *b; \ 274 \ 275 b = l->nle_blink; \ 276 e->nle_flink = l; \ 277 e->nle_blink = b; \ 278 b->nle_flink = (e); \ 279 l->nle_blink = (e); \ 280 } while (0) 281 282 #define InsertHeadList(l, e) \ 283 do { \ 284 list_entry *f; \ 285 \ 286 f = l->nle_flink; \ 287 e->nle_flink = f; \ 288 e->nle_blink = l; \ 289 f->nle_blink = e; \ 290 l->nle_flink = e; \ 291 } while (0) 292 293 #define CONTAINING_RECORD(addr, type, field) \ 294 ((type *)((vm_offset_t)(addr) - (vm_offset_t)(&((type *)0)->field))) 295 296 struct nt_dispatch_header { 297 uint8_t dh_type; 298 uint8_t dh_abs; 299 uint8_t dh_size; 300 uint8_t dh_inserted; 301 int32_t dh_sigstate; 302 list_entry dh_waitlisthead; 303 }; 304 305 typedef struct nt_dispatch_header nt_dispatch_header; 306 307 /* Dispatcher object types */ 308 309 #define DISP_TYPE_NOTIFICATION_EVENT 0 /* KEVENT */ 310 #define DISP_TYPE_SYNCHRONIZATION_EVENT 1 /* KEVENT */ 311 #define DISP_TYPE_MUTANT 2 /* KMUTANT/KMUTEX */ 312 #define DISP_TYPE_PROCESS 3 /* KPROCESS */ 313 #define DISP_TYPE_QUEUE 4 /* KQUEUE */ 314 #define DISP_TYPE_SEMAPHORE 5 /* KSEMAPHORE */ 315 #define DISP_TYPE_THREAD 6 /* KTHREAD */ 316 #define DISP_TYPE_NOTIFICATION_TIMER 8 /* KTIMER */ 317 #define DISP_TYPE_SYNCHRONIZATION_TIMER 9 /* KTIMER */ 318 319 #define OTYPE_EVENT 0 320 #define OTYPE_MUTEX 1 321 #define OTYPE_THREAD 2 322 #define OTYPE_TIMER 3 323 324 /* Windows dispatcher levels. */ 325 326 #define PASSIVE_LEVEL 0 327 #define LOW_LEVEL 0 328 #define APC_LEVEL 1 329 #define DISPATCH_LEVEL 2 330 #define DEVICE_LEVEL (DISPATCH_LEVEL + 1) 331 #define PROFILE_LEVEL 27 332 #define CLOCK1_LEVEL 28 333 #define CLOCK2_LEVEL 28 334 #define IPI_LEVEL 29 335 #define POWER_LEVEL 30 336 #define HIGH_LEVEL 31 337 338 #define SYNC_LEVEL_UP DISPATCH_LEVEL 339 #define SYNC_LEVEL_MP (IPI_LEVEL - 1) 340 341 #define AT_PASSIVE_LEVEL(td) \ 342 ((td)->td_proc->p_flag & P_KPROC == FALSE) 343 344 #define AT_DISPATCH_LEVEL(td) \ 345 ((td)->td_base_pri == PI_REALTIME) 346 347 #define AT_DIRQL_LEVEL(td) \ 348 ((td)->td_priority <= PI_NET) 349 350 #define AT_HIGH_LEVEL(td) \ 351 ((td)->td_critnest != 0) 352 353 struct nt_objref { 354 nt_dispatch_header no_dh; 355 void *no_obj; 356 TAILQ_ENTRY(nt_objref) link; 357 }; 358 359 TAILQ_HEAD(nt_objref_head, nt_objref); 360 361 typedef struct nt_objref nt_objref; 362 363 #define EVENT_TYPE_NOTIFY 0 364 #define EVENT_TYPE_SYNC 1 365 366 /* 367 * We need to use the timeout()/untimeout() API for ktimers 368 * since timers can be initialized, but not destroyed (so 369 * malloc()ing our own callout structures would mean a leak, 370 * since there'd be no way to free() them). This means we 371 * need to use struct callout_handle, which is really just a 372 * pointer. To make it easier to deal with, we use a union 373 * to overlay the callout_handle over the k_timerlistentry. 374 * The latter is a list_entry, which is two pointers, so 375 * there's enough space available to hide a callout_handle 376 * there. 377 */ 378 379 struct ktimer { 380 nt_dispatch_header k_header; 381 uint64_t k_duetime; 382 union { 383 list_entry k_timerlistentry; 384 struct callout *k_callout; 385 } u; 386 void *k_dpc; 387 uint32_t k_period; 388 }; 389 390 #define k_timerlistentry u.k_timerlistentry 391 #define k_callout u.k_callout 392 393 typedef struct ktimer ktimer; 394 395 struct nt_kevent { 396 nt_dispatch_header k_header; 397 }; 398 399 typedef struct nt_kevent nt_kevent; 400 401 /* Kernel defered procedure call (i.e. timer callback) */ 402 403 struct kdpc; 404 typedef void (*kdpc_func)(struct kdpc *, void *, void *, void *); 405 406 struct kdpc { 407 uint16_t k_type; 408 uint8_t k_num; /* CPU number */ 409 uint8_t k_importance; /* priority */ 410 list_entry k_dpclistentry; 411 void *k_deferedfunc; 412 void *k_deferredctx; 413 void *k_sysarg1; 414 void *k_sysarg2; 415 void *k_lock; 416 }; 417 418 #define KDPC_IMPORTANCE_LOW 0 419 #define KDPC_IMPORTANCE_MEDIUM 1 420 #define KDPC_IMPORTANCE_HIGH 2 421 422 #define KDPC_CPU_DEFAULT 255 423 424 typedef struct kdpc kdpc; 425 426 /* 427 * Note: the acquisition count is BSD-specific. The Microsoft 428 * documentation says that mutexes can be acquired recursively 429 * by a given thread, but that you must release the mutex as 430 * many times as you acquired it before it will be set to the 431 * signalled state (i.e. before any other threads waiting on 432 * the object will be woken up). However the Windows KMUTANT 433 * structure has no field for keeping track of the number of 434 * acquisitions, so we need to add one ourselves. As long as 435 * driver code treats the mutex as opaque, we should be ok. 436 */ 437 struct kmutant { 438 nt_dispatch_header km_header; 439 list_entry km_listentry; 440 void *km_ownerthread; 441 uint8_t km_abandoned; 442 uint8_t km_apcdisable; 443 }; 444 445 typedef struct kmutant kmutant; 446 447 #define LOOKASIDE_DEPTH 256 448 449 struct general_lookaside { 450 slist_header gl_listhead; 451 uint16_t gl_depth; 452 uint16_t gl_maxdepth; 453 uint32_t gl_totallocs; 454 union { 455 uint32_t gl_allocmisses; 456 uint32_t gl_allochits; 457 } u_a; 458 uint32_t gl_totalfrees; 459 union { 460 uint32_t gl_freemisses; 461 uint32_t gl_freehits; 462 } u_m; 463 uint32_t gl_type; 464 uint32_t gl_tag; 465 uint32_t gl_size; 466 void *gl_allocfunc; 467 void *gl_freefunc; 468 list_entry gl_listent; 469 uint32_t gl_lasttotallocs; 470 union { 471 uint32_t gl_lastallocmisses; 472 uint32_t gl_lastallochits; 473 } u_l; 474 uint32_t gl_rsvd[2]; 475 }; 476 477 typedef struct general_lookaside general_lookaside; 478 479 struct npaged_lookaside_list { 480 general_lookaside nll_l; 481 #ifdef __i386__ 482 kspin_lock nll_obsoletelock; 483 #endif 484 }; 485 486 typedef struct npaged_lookaside_list npaged_lookaside_list; 487 typedef struct npaged_lookaside_list paged_lookaside_list; 488 489 typedef void * (*lookaside_alloc_func)(uint32_t, size_t, uint32_t); 490 typedef void (*lookaside_free_func)(void *); 491 492 struct irp; 493 494 struct kdevice_qentry { 495 list_entry kqe_devlistent; 496 uint32_t kqe_sortkey; 497 uint8_t kqe_inserted; 498 }; 499 500 typedef struct kdevice_qentry kdevice_qentry; 501 502 struct kdevice_queue { 503 uint16_t kq_type; 504 uint16_t kq_size; 505 list_entry kq_devlisthead; 506 kspin_lock kq_lock; 507 uint8_t kq_busy; 508 }; 509 510 typedef struct kdevice_queue kdevice_queue; 511 512 struct wait_ctx_block { 513 kdevice_qentry wcb_waitqueue; 514 void *wcb_devfunc; 515 void *wcb_devctx; 516 uint32_t wcb_mapregcnt; 517 void *wcb_devobj; 518 void *wcb_curirp; 519 void *wcb_bufchaindpc; 520 }; 521 522 typedef struct wait_ctx_block wait_ctx_block; 523 524 struct wait_block { 525 list_entry wb_waitlist; 526 void *wb_kthread; 527 nt_dispatch_header *wb_object; 528 struct wait_block *wb_next; 529 #ifdef notdef 530 uint16_t wb_waitkey; 531 uint16_t wb_waittype; 532 #endif 533 uint8_t wb_waitkey; 534 uint8_t wb_waittype; 535 uint8_t wb_awakened; 536 uint8_t wb_oldpri; 537 }; 538 539 typedef struct wait_block wait_block; 540 541 #define wb_ext wb_kthread 542 543 #define THREAD_WAIT_OBJECTS 3 544 #define MAX_WAIT_OBJECTS 64 545 546 #define WAITTYPE_ALL 0 547 #define WAITTYPE_ANY 1 548 549 #define WAITKEY_VALID 0x8000 550 551 /* kthread priority */ 552 #define LOW_PRIORITY 0 553 #define LOW_REALTIME_PRIORITY 16 554 #define HIGH_PRIORITY 31 555 556 struct thread_context { 557 void *tc_thrctx; 558 void *tc_thrfunc; 559 }; 560 561 typedef struct thread_context thread_context; 562 563 /* Forward declaration */ 564 struct driver_object; 565 struct devobj_extension; 566 567 struct driver_extension { 568 struct driver_object *dre_driverobj; 569 void *dre_adddevicefunc; 570 uint32_t dre_reinitcnt; 571 unicode_string dre_srvname; 572 573 /* 574 * Drivers are allowed to add one or more custom extensions 575 * to the driver object, but there's no special pointer 576 * for them. Hang them off here for now. 577 */ 578 579 list_entry dre_usrext; 580 }; 581 582 typedef struct driver_extension driver_extension; 583 584 struct custom_extension { 585 list_entry ce_list; 586 void *ce_clid; 587 }; 588 589 typedef struct custom_extension custom_extension; 590 591 /* 592 * The KINTERRUPT structure in Windows is opaque to drivers. 593 * We define our own custom version with things we need. 594 */ 595 596 struct kinterrupt { 597 list_entry ki_list; 598 device_t ki_dev; 599 int ki_rid; 600 void *ki_cookie; 601 struct resource *ki_irq; 602 kspin_lock ki_lock_priv; 603 kspin_lock *ki_lock; 604 void *ki_svcfunc; 605 void *ki_svcctx; 606 }; 607 608 typedef struct kinterrupt kinterrupt; 609 610 struct ksystem_time { 611 uint32_t low_part; 612 int32_t high1_time; 613 int32_t high2_time; 614 }; 615 616 enum nt_product_type { 617 NT_PRODUCT_WIN_NT = 1, 618 NT_PRODUCT_LAN_MAN_NT, 619 NT_PRODUCT_SERVER 620 }; 621 622 enum alt_arch_type { 623 STANDARD_DESIGN, 624 NEC98x86, 625 END_ALTERNATIVES 626 }; 627 628 struct kuser_shared_data { 629 uint32_t tick_count; 630 uint32_t tick_count_multiplier; 631 volatile struct ksystem_time interrupt_time; 632 volatile struct ksystem_time system_time; 633 volatile struct ksystem_time time_zone_bias; 634 uint16_t image_number_low; 635 uint16_t image_number_high; 636 int16_t nt_system_root[260]; 637 uint32_t max_stack_trace_depth; 638 uint32_t crypto_exponent; 639 uint32_t time_zone_id; 640 uint32_t large_page_min; 641 uint32_t reserved2[7]; 642 enum nt_product_type nt_product_type; 643 uint8_t product_type_is_valid; 644 uint32_t nt_major_version; 645 uint32_t nt_minor_version; 646 uint8_t processor_features[64]; 647 uint32_t reserved1; 648 uint32_t reserved3; 649 volatile uint32_t time_slip; 650 enum alt_arch_type alt_arch_type; 651 int64_t system_expiration_date; 652 uint32_t suite_mask; 653 uint8_t kdbg_enabled; 654 volatile uint32_t active_console; 655 volatile uint32_t dismount_count; 656 uint32_t com_plus_package; 657 uint32_t last_system_rit_event_tick_count; 658 uint32_t num_phys_pages; 659 uint8_t safe_boot_mode; 660 uint32_t trace_log; 661 uint64_t fill0; 662 uint64_t sys_call[4]; 663 union { 664 volatile struct ksystem_time tick_count; 665 volatile uint64_t tick_count_quad; 666 } tick; 667 }; 668 669 /* 670 * In Windows, there are Physical Device Objects (PDOs) and 671 * Functional Device Objects (FDOs). Physical Device Objects are 672 * created and maintained by bus drivers. For example, the PCI 673 * bus driver might detect two PCI ethernet cards on a given 674 * bus. The PCI bus driver will then allocate two device_objects 675 * for its own internal bookeeping purposes. This is analogous 676 * to the device_t that the FreeBSD PCI code allocates and passes 677 * into each PCI driver's probe and attach routines. 678 * 679 * When an ethernet driver claims one of the ethernet cards 680 * on the bus, it will create its own device_object. This is 681 * the Functional Device Object. This object is analogous to the 682 * device-specific softc structure. 683 */ 684 685 struct device_object { 686 uint16_t do_type; 687 uint16_t do_size; 688 uint32_t do_refcnt; 689 struct driver_object *do_drvobj; 690 struct device_object *do_nextdev; 691 struct device_object *do_attacheddev; 692 struct irp *do_currirp; 693 void *do_iotimer; 694 uint32_t do_flags; 695 uint32_t do_characteristics; 696 void *do_vpb; 697 void *do_devext; 698 uint32_t do_devtype; 699 uint8_t do_stacksize; 700 union { 701 list_entry do_listent; 702 wait_ctx_block do_wcb; 703 } queue; 704 uint32_t do_alignreq; 705 kdevice_queue do_devqueue; 706 struct kdpc do_dpc; 707 uint32_t do_activethreads; 708 void *do_securitydesc; 709 struct nt_kevent do_devlock; 710 uint16_t do_sectorsz; 711 uint16_t do_spare1; 712 struct devobj_extension *do_devobj_ext; 713 void *do_rsvd; 714 }; 715 716 typedef struct device_object device_object; 717 718 struct devobj_extension { 719 uint16_t dve_type; 720 uint16_t dve_size; 721 device_object *dve_devobj; 722 }; 723 724 typedef struct devobj_extension devobj_extension; 725 726 /* Device object flags */ 727 728 #define DO_VERIFY_VOLUME 0x00000002 729 #define DO_BUFFERED_IO 0x00000004 730 #define DO_EXCLUSIVE 0x00000008 731 #define DO_DIRECT_IO 0x00000010 732 #define DO_MAP_IO_BUFFER 0x00000020 733 #define DO_DEVICE_HAS_NAME 0x00000040 734 #define DO_DEVICE_INITIALIZING 0x00000080 735 #define DO_SYSTEM_BOOT_PARTITION 0x00000100 736 #define DO_LONG_TERM_REQUESTS 0x00000200 737 #define DO_NEVER_LAST_DEVICE 0x00000400 738 #define DO_SHUTDOWN_REGISTERED 0x00000800 739 #define DO_BUS_ENUMERATED_DEVICE 0x00001000 740 #define DO_POWER_PAGABLE 0x00002000 741 #define DO_POWER_INRUSH 0x00004000 742 #define DO_LOW_PRIORITY_FILESYSTEM 0x00010000 743 744 /* Priority boosts */ 745 746 #define IO_NO_INCREMENT 0 747 #define IO_CD_ROM_INCREMENT 1 748 #define IO_DISK_INCREMENT 1 749 #define IO_KEYBOARD_INCREMENT 6 750 #define IO_MAILSLOT_INCREMENT 2 751 #define IO_MOUSE_INCREMENT 6 752 #define IO_NAMED_PIPE_INCREMENT 2 753 #define IO_NETWORK_INCREMENT 2 754 #define IO_PARALLEL_INCREMENT 1 755 #define IO_SERIAL_INCREMENT 2 756 #define IO_SOUND_INCREMENT 8 757 #define IO_VIDEO_INCREMENT 1 758 759 /* IRP major codes */ 760 761 #define IRP_MJ_CREATE 0x00 762 #define IRP_MJ_CREATE_NAMED_PIPE 0x01 763 #define IRP_MJ_CLOSE 0x02 764 #define IRP_MJ_READ 0x03 765 #define IRP_MJ_WRITE 0x04 766 #define IRP_MJ_QUERY_INFORMATION 0x05 767 #define IRP_MJ_SET_INFORMATION 0x06 768 #define IRP_MJ_QUERY_EA 0x07 769 #define IRP_MJ_SET_EA 0x08 770 #define IRP_MJ_FLUSH_BUFFERS 0x09 771 #define IRP_MJ_QUERY_VOLUME_INFORMATION 0x0a 772 #define IRP_MJ_SET_VOLUME_INFORMATION 0x0b 773 #define IRP_MJ_DIRECTORY_CONTROL 0x0c 774 #define IRP_MJ_FILE_SYSTEM_CONTROL 0x0d 775 #define IRP_MJ_DEVICE_CONTROL 0x0e 776 #define IRP_MJ_INTERNAL_DEVICE_CONTROL 0x0f 777 #define IRP_MJ_SHUTDOWN 0x10 778 #define IRP_MJ_LOCK_CONTROL 0x11 779 #define IRP_MJ_CLEANUP 0x12 780 #define IRP_MJ_CREATE_MAILSLOT 0x13 781 #define IRP_MJ_QUERY_SECURITY 0x14 782 #define IRP_MJ_SET_SECURITY 0x15 783 #define IRP_MJ_POWER 0x16 784 #define IRP_MJ_SYSTEM_CONTROL 0x17 785 #define IRP_MJ_DEVICE_CHANGE 0x18 786 #define IRP_MJ_QUERY_QUOTA 0x19 787 #define IRP_MJ_SET_QUOTA 0x1a 788 #define IRP_MJ_PNP 0x1b 789 #define IRP_MJ_PNP_POWER IRP_MJ_PNP // Obsolete.... 790 #define IRP_MJ_MAXIMUM_FUNCTION 0x1b 791 #define IRP_MJ_SCSI IRP_MJ_INTERNAL_DEVICE_CONTROL 792 793 /* IRP minor codes */ 794 795 #define IRP_MN_QUERY_DIRECTORY 0x01 796 #define IRP_MN_NOTIFY_CHANGE_DIRECTORY 0x02 797 #define IRP_MN_USER_FS_REQUEST 0x00 798 799 #define IRP_MN_MOUNT_VOLUME 0x01 800 #define IRP_MN_VERIFY_VOLUME 0x02 801 #define IRP_MN_LOAD_FILE_SYSTEM 0x03 802 #define IRP_MN_TRACK_LINK 0x04 803 #define IRP_MN_KERNEL_CALL 0x04 804 805 #define IRP_MN_LOCK 0x01 806 #define IRP_MN_UNLOCK_SINGLE 0x02 807 #define IRP_MN_UNLOCK_ALL 0x03 808 #define IRP_MN_UNLOCK_ALL_BY_KEY 0x04 809 810 #define IRP_MN_NORMAL 0x00 811 #define IRP_MN_DPC 0x01 812 #define IRP_MN_MDL 0x02 813 #define IRP_MN_COMPLETE 0x04 814 #define IRP_MN_COMPRESSED 0x08 815 816 #define IRP_MN_MDL_DPC (IRP_MN_MDL | IRP_MN_DPC) 817 #define IRP_MN_COMPLETE_MDL (IRP_MN_COMPLETE | IRP_MN_MDL) 818 #define IRP_MN_COMPLETE_MDL_DPC (IRP_MN_COMPLETE_MDL | IRP_MN_DPC) 819 820 #define IRP_MN_SCSI_CLASS 0x01 821 822 #define IRP_MN_START_DEVICE 0x00 823 #define IRP_MN_QUERY_REMOVE_DEVICE 0x01 824 #define IRP_MN_REMOVE_DEVICE 0x02 825 #define IRP_MN_CANCEL_REMOVE_DEVICE 0x03 826 #define IRP_MN_STOP_DEVICE 0x04 827 #define IRP_MN_QUERY_STOP_DEVICE 0x05 828 #define IRP_MN_CANCEL_STOP_DEVICE 0x06 829 830 #define IRP_MN_QUERY_DEVICE_RELATIONS 0x07 831 #define IRP_MN_QUERY_INTERFACE 0x08 832 #define IRP_MN_QUERY_CAPABILITIES 0x09 833 #define IRP_MN_QUERY_RESOURCES 0x0A 834 #define IRP_MN_QUERY_RESOURCE_REQUIREMENTS 0x0B 835 #define IRP_MN_QUERY_DEVICE_TEXT 0x0C 836 #define IRP_MN_FILTER_RESOURCE_REQUIREMENTS 0x0D 837 838 #define IRP_MN_READ_CONFIG 0x0F 839 #define IRP_MN_WRITE_CONFIG 0x10 840 #define IRP_MN_EJECT 0x11 841 #define IRP_MN_SET_LOCK 0x12 842 #define IRP_MN_QUERY_ID 0x13 843 #define IRP_MN_QUERY_PNP_DEVICE_STATE 0x14 844 #define IRP_MN_QUERY_BUS_INFORMATION 0x15 845 #define IRP_MN_DEVICE_USAGE_NOTIFICATION 0x16 846 #define IRP_MN_SURPRISE_REMOVAL 0x17 847 #define IRP_MN_QUERY_LEGACY_BUS_INFORMATION 0x18 848 849 #define IRP_MN_WAIT_WAKE 0x00 850 #define IRP_MN_POWER_SEQUENCE 0x01 851 #define IRP_MN_SET_POWER 0x02 852 #define IRP_MN_QUERY_POWER 0x03 853 854 #define IRP_MN_QUERY_ALL_DATA 0x00 855 #define IRP_MN_QUERY_SINGLE_INSTANCE 0x01 856 #define IRP_MN_CHANGE_SINGLE_INSTANCE 0x02 857 #define IRP_MN_CHANGE_SINGLE_ITEM 0x03 858 #define IRP_MN_ENABLE_EVENTS 0x04 859 #define IRP_MN_DISABLE_EVENTS 0x05 860 #define IRP_MN_ENABLE_COLLECTION 0x06 861 #define IRP_MN_DISABLE_COLLECTION 0x07 862 #define IRP_MN_REGINFO 0x08 863 #define IRP_MN_EXECUTE_METHOD 0x09 864 #define IRP_MN_REGINFO_EX 0x0b 865 866 /* IRP flags */ 867 868 #define IRP_NOCACHE 0x00000001 869 #define IRP_PAGING_IO 0x00000002 870 #define IRP_MOUNT_COMPLETION 0x00000002 871 #define IRP_SYNCHRONOUS_API 0x00000004 872 #define IRP_ASSOCIATED_IRP 0x00000008 873 #define IRP_BUFFERED_IO 0x00000010 874 #define IRP_DEALLOCATE_BUFFER 0x00000020 875 #define IRP_INPUT_OPERATION 0x00000040 876 #define IRP_SYNCHRONOUS_PAGING_IO 0x00000040 877 #define IRP_CREATE_OPERATION 0x00000080 878 #define IRP_READ_OPERATION 0x00000100 879 #define IRP_WRITE_OPERATION 0x00000200 880 #define IRP_CLOSE_OPERATION 0x00000400 881 #define IRP_DEFER_IO_COMPLETION 0x00000800 882 #define IRP_OB_QUERY_NAME 0x00001000 883 #define IRP_HOLD_DEVICE_QUEUE 0x00002000 884 #define IRP_RETRY_IO_COMPLETION 0x00004000 885 #define IRP_CLASS_CACHE_OPERATION 0x00008000 886 #define IRP_SET_USER_EVENT IRP_CLOSE_OPERATION 887 888 /* IRP I/O control flags */ 889 890 #define IRP_QUOTA_CHARGED 0x01 891 #define IRP_ALLOCATED_MUST_SUCCEED 0x02 892 #define IRP_ALLOCATED_FIXED_SIZE 0x04 893 #define IRP_LOOKASIDE_ALLOCATION 0x08 894 895 /* I/O method types */ 896 897 #define METHOD_BUFFERED 0 898 #define METHOD_IN_DIRECT 1 899 #define METHOD_OUT_DIRECT 2 900 #define METHOD_NEITHER 3 901 902 /* File access types */ 903 904 #define FILE_ANY_ACCESS 0x0000 905 #define FILE_SPECIAL_ACCESS FILE_ANY_ACCESS 906 #define FILE_READ_ACCESS 0x0001 907 #define FILE_WRITE_ACCESS 0x0002 908 909 /* Recover I/O access method from IOCTL code. */ 910 911 #define IO_METHOD(x) ((x) & 0xFFFFFFFC) 912 913 /* Recover function code from IOCTL code */ 914 915 #define IO_FUNC(x) (((x) & 0x7FFC) >> 2) 916 917 /* Macro to construct an IOCTL code. */ 918 919 #define IOCTL_CODE(dev, func, iomethod, acc) \ 920 ((dev) << 16) | (acc << 14) | (func << 2) | (iomethod)) 921 922 923 struct io_status_block { 924 union { 925 uint32_t isb_status; 926 void *isb_ptr; 927 } u; 928 register_t isb_info; 929 }; 930 #define isb_status u.isb_status 931 #define isb_ptr u.isb_ptr 932 933 typedef struct io_status_block io_status_block; 934 935 struct kapc { 936 uint16_t apc_type; 937 uint16_t apc_size; 938 uint32_t apc_spare0; 939 void *apc_thread; 940 list_entry apc_list; 941 void *apc_kernfunc; 942 void *apc_rundownfunc; 943 void *apc_normalfunc; 944 void *apc_normctx; 945 void *apc_sysarg1; 946 void *apc_sysarg2; 947 uint8_t apc_stateidx; 948 uint8_t apc_cpumode; 949 uint8_t apc_inserted; 950 }; 951 952 typedef struct kapc kapc; 953 954 typedef uint32_t (*completion_func)(device_object *, 955 struct irp *, void *); 956 typedef uint32_t (*cancel_func)(device_object *, 957 struct irp *); 958 959 struct io_stack_location { 960 uint8_t isl_major; 961 uint8_t isl_minor; 962 uint8_t isl_flags; 963 uint8_t isl_ctl; 964 965 /* 966 * There's a big-ass union here in the actual Windows 967 * definition of the structure, but it contains stuff 968 * that doesn't really apply to BSD, and defining it 969 * all properly would require duplicating over a dozen 970 * other structures that we'll never use. Since the 971 * io_stack_location structure is opaque to drivers 972 * anyway, I'm not going to bother with the extra crap. 973 */ 974 975 union { 976 struct { 977 uint32_t isl_len; 978 uint32_t *isl_key; 979 uint64_t isl_byteoff; 980 } isl_read; 981 struct { 982 uint32_t isl_len; 983 uint32_t *isl_key; 984 uint64_t isl_byteoff; 985 } isl_write; 986 struct { 987 uint32_t isl_obuflen; 988 uint32_t isl_ibuflen; 989 uint32_t isl_iocode; 990 void *isl_type3ibuf; 991 } isl_ioctl; 992 struct { 993 void *isl_arg1; 994 void *isl_arg2; 995 void *isl_arg3; 996 void *isl_arg4; 997 } isl_others; 998 } isl_parameters __attribute__((packed)); 999 1000 void *isl_devobj; 1001 void *isl_fileobj; 1002 completion_func isl_completionfunc; 1003 void *isl_completionctx; 1004 }; 1005 1006 typedef struct io_stack_location io_stack_location; 1007 1008 /* Stack location control flags */ 1009 1010 #define SL_PENDING_RETURNED 0x01 1011 #define SL_INVOKE_ON_CANCEL 0x20 1012 #define SL_INVOKE_ON_SUCCESS 0x40 1013 #define SL_INVOKE_ON_ERROR 0x80 1014 1015 struct irp { 1016 uint16_t irp_type; 1017 uint16_t irp_size; 1018 mdl *irp_mdl; 1019 uint32_t irp_flags; 1020 union { 1021 struct irp *irp_master; 1022 uint32_t irp_irpcnt; 1023 void *irp_sysbuf; 1024 } irp_assoc; 1025 list_entry irp_thlist; 1026 io_status_block irp_iostat; 1027 uint8_t irp_reqmode; 1028 uint8_t irp_pendingreturned; 1029 uint8_t irp_stackcnt; 1030 uint8_t irp_currentstackloc; 1031 uint8_t irp_cancel; 1032 uint8_t irp_cancelirql; 1033 uint8_t irp_apcenv; 1034 uint8_t irp_allocflags; 1035 io_status_block *irp_usriostat; 1036 nt_kevent *irp_usrevent; 1037 union { 1038 struct { 1039 void *irp_apcfunc; 1040 void *irp_apcctx; 1041 } irp_asyncparms; 1042 uint64_t irp_allocsz; 1043 } irp_overlay; 1044 cancel_func irp_cancelfunc; 1045 void *irp_userbuf; 1046 1047 /* Windows kernel info */ 1048 1049 union { 1050 struct { 1051 union { 1052 kdevice_qentry irp_dqe; 1053 struct { 1054 void *irp_drvctx[4]; 1055 } s1; 1056 } u1; 1057 void *irp_thread; 1058 char *irp_auxbuf; 1059 struct { 1060 list_entry irp_list; 1061 union { 1062 io_stack_location *irp_csl; 1063 uint32_t irp_pkttype; 1064 } u2; 1065 } s2; 1066 void *irp_fileobj; 1067 } irp_overlay; 1068 union { 1069 kapc irp_apc; 1070 struct { 1071 void *irp_ep; 1072 void *irp_dev; 1073 } irp_usb; 1074 } irp_misc; 1075 void *irp_compkey; 1076 } irp_tail; 1077 }; 1078 1079 #define irp_csl s2.u2.irp_csl 1080 #define irp_pkttype s2.u2.irp_pkttype 1081 1082 #define IRP_NDIS_DEV(irp) (irp)->irp_tail.irp_misc.irp_usb.irp_dev 1083 #define IRP_NDISUSB_EP(irp) (irp)->irp_tail.irp_misc.irp_usb.irp_ep 1084 1085 typedef struct irp irp; 1086 1087 #define InterlockedExchangePointer(dst, val) \ 1088 (void *)InterlockedExchange((uint32_t *)(dst), (uintptr_t)(val)) 1089 1090 #define IoSizeOfIrp(ssize) \ 1091 ((uint16_t) (sizeof(irp) + ((ssize) * (sizeof(io_stack_location))))) 1092 1093 #define IoSetCancelRoutine(irp, func) \ 1094 (cancel_func)InterlockedExchangePointer( \ 1095 (void *)&(ip)->irp_cancelfunc, (void *)(func)) 1096 1097 #define IoSetCancelValue(irp, val) \ 1098 (u_long)InterlockedExchangePointer( \ 1099 (void *)&(ip)->irp_cancel, (void *)(val)) 1100 1101 #define IoGetCurrentIrpStackLocation(irp) \ 1102 (irp)->irp_tail.irp_overlay.irp_csl 1103 1104 #define IoGetNextIrpStackLocation(irp) \ 1105 ((irp)->irp_tail.irp_overlay.irp_csl - 1) 1106 1107 #define IoSetNextIrpStackLocation(irp) \ 1108 do { \ 1109 irp->irp_currentstackloc--; \ 1110 irp->irp_tail.irp_overlay.irp_csl--; \ 1111 } while(0) 1112 1113 #define IoSetCompletionRoutine(irp, func, ctx, ok, err, cancel) \ 1114 do { \ 1115 io_stack_location *s; \ 1116 s = IoGetNextIrpStackLocation((irp)); \ 1117 s->isl_completionfunc = (func); \ 1118 s->isl_completionctx = (ctx); \ 1119 s->isl_ctl = 0; \ 1120 if (ok) s->isl_ctl = SL_INVOKE_ON_SUCCESS; \ 1121 if (err) s->isl_ctl |= SL_INVOKE_ON_ERROR; \ 1122 if (cancel) s->isl_ctl |= SL_INVOKE_ON_CANCEL; \ 1123 } while(0) 1124 1125 #define IoMarkIrpPending(irp) \ 1126 IoGetCurrentIrpStackLocation(irp)->isl_ctl |= SL_PENDING_RETURNED 1127 #define IoUnmarkIrpPending(irp) \ 1128 IoGetCurrentIrpStackLocation(irp)->isl_ctl &= ~SL_PENDING_RETURNED 1129 1130 #define IoCopyCurrentIrpStackLocationToNext(irp) \ 1131 do { \ 1132 io_stack_location *src, *dst; \ 1133 src = IoGetCurrentIrpStackLocation(irp); \ 1134 dst = IoGetNextIrpStackLocation(irp); \ 1135 bcopy((char *)src, (char *)dst, \ 1136 offsetof(io_stack_location, isl_completionfunc)); \ 1137 } while(0) 1138 1139 #define IoSkipCurrentIrpStackLocation(irp) \ 1140 do { \ 1141 (irp)->irp_currentstackloc++; \ 1142 (irp)->irp_tail.irp_overlay.irp_csl++; \ 1143 } while(0) 1144 1145 #define IoInitializeDpcRequest(dobj, dpcfunc) \ 1146 KeInitializeDpc(&(dobj)->do_dpc, dpcfunc, dobj) 1147 1148 #define IoRequestDpc(dobj, irp, ctx) \ 1149 KeInsertQueueDpc(&(dobj)->do_dpc, irp, ctx) 1150 1151 typedef uint32_t (*driver_dispatch)(device_object *, irp *); 1152 1153 /* 1154 * The driver_object is allocated once for each driver that's loaded 1155 * into the system. A new one is allocated for each driver and 1156 * populated a bit via the driver's DriverEntry function. 1157 * In general, a Windows DriverEntry() function will provide a pointer 1158 * to its AddDevice() method and set up the dispatch table. 1159 * For NDIS drivers, this is all done behind the scenes in the 1160 * NdisInitializeWrapper() and/or NdisMRegisterMiniport() routines. 1161 */ 1162 1163 struct driver_object { 1164 uint16_t dro_type; 1165 uint16_t dro_size; 1166 device_object *dro_devobj; 1167 uint32_t dro_flags; 1168 void *dro_driverstart; 1169 uint32_t dro_driversize; 1170 void *dro_driversection; 1171 driver_extension *dro_driverext; 1172 unicode_string dro_drivername; 1173 unicode_string *dro_hwdb; 1174 void *dro_pfastiodispatch; 1175 void *dro_driverinitfunc; 1176 void *dro_driverstartiofunc; 1177 void *dro_driverunloadfunc; 1178 driver_dispatch dro_dispatch[IRP_MJ_MAXIMUM_FUNCTION + 1]; 1179 }; 1180 1181 typedef struct driver_object driver_object; 1182 1183 #define DEVPROP_DEVICE_DESCRIPTION 0x00000000 1184 #define DEVPROP_HARDWARE_ID 0x00000001 1185 #define DEVPROP_COMPATIBLE_IDS 0x00000002 1186 #define DEVPROP_BOOTCONF 0x00000003 1187 #define DEVPROP_BOOTCONF_TRANSLATED 0x00000004 1188 #define DEVPROP_CLASS_NAME 0x00000005 1189 #define DEVPROP_CLASS_GUID 0x00000006 1190 #define DEVPROP_DRIVER_KEYNAME 0x00000007 1191 #define DEVPROP_MANUFACTURER 0x00000008 1192 #define DEVPROP_FRIENDLYNAME 0x00000009 1193 #define DEVPROP_LOCATION_INFO 0x0000000A 1194 #define DEVPROP_PHYSDEV_NAME 0x0000000B 1195 #define DEVPROP_BUSTYPE_GUID 0x0000000C 1196 #define DEVPROP_LEGACY_BUSTYPE 0x0000000D 1197 #define DEVPROP_BUS_NUMBER 0x0000000E 1198 #define DEVPROP_ENUMERATOR_NAME 0x0000000F 1199 #define DEVPROP_ADDRESS 0x00000010 1200 #define DEVPROP_UINUMBER 0x00000011 1201 #define DEVPROP_INSTALL_STATE 0x00000012 1202 #define DEVPROP_REMOVAL_POLICY 0x00000013 1203 1204 /* Various supported device types (used with IoCreateDevice()) */ 1205 1206 #define FILE_DEVICE_BEEP 0x00000001 1207 #define FILE_DEVICE_CD_ROM 0x00000002 1208 #define FILE_DEVICE_CD_ROM_FILE_SYSTEM 0x00000003 1209 #define FILE_DEVICE_CONTROLLER 0x00000004 1210 #define FILE_DEVICE_DATALINK 0x00000005 1211 #define FILE_DEVICE_DFS 0x00000006 1212 #define FILE_DEVICE_DISK 0x00000007 1213 #define FILE_DEVICE_DISK_FILE_SYSTEM 0x00000008 1214 #define FILE_DEVICE_FILE_SYSTEM 0x00000009 1215 #define FILE_DEVICE_INPORT_PORT 0x0000000A 1216 #define FILE_DEVICE_KEYBOARD 0x0000000B 1217 #define FILE_DEVICE_MAILSLOT 0x0000000C 1218 #define FILE_DEVICE_MIDI_IN 0x0000000D 1219 #define FILE_DEVICE_MIDI_OUT 0x0000000E 1220 #define FILE_DEVICE_MOUSE 0x0000000F 1221 #define FILE_DEVICE_MULTI_UNC_PROVIDER 0x00000010 1222 #define FILE_DEVICE_NAMED_PIPE 0x00000011 1223 #define FILE_DEVICE_NETWORK 0x00000012 1224 #define FILE_DEVICE_NETWORK_BROWSER 0x00000013 1225 #define FILE_DEVICE_NETWORK_FILE_SYSTEM 0x00000014 1226 #define FILE_DEVICE_NULL 0x00000015 1227 #define FILE_DEVICE_PARALLEL_PORT 0x00000016 1228 #define FILE_DEVICE_PHYSICAL_NETCARD 0x00000017 1229 #define FILE_DEVICE_PRINTER 0x00000018 1230 #define FILE_DEVICE_SCANNER 0x00000019 1231 #define FILE_DEVICE_SERIAL_MOUSE_PORT 0x0000001A 1232 #define FILE_DEVICE_SERIAL_PORT 0x0000001B 1233 #define FILE_DEVICE_SCREEN 0x0000001C 1234 #define FILE_DEVICE_SOUND 0x0000001D 1235 #define FILE_DEVICE_STREAMS 0x0000001E 1236 #define FILE_DEVICE_TAPE 0x0000001F 1237 #define FILE_DEVICE_TAPE_FILE_SYSTEM 0x00000020 1238 #define FILE_DEVICE_TRANSPORT 0x00000021 1239 #define FILE_DEVICE_UNKNOWN 0x00000022 1240 #define FILE_DEVICE_VIDEO 0x00000023 1241 #define FILE_DEVICE_VIRTUAL_DISK 0x00000024 1242 #define FILE_DEVICE_WAVE_IN 0x00000025 1243 #define FILE_DEVICE_WAVE_OUT 0x00000026 1244 #define FILE_DEVICE_8042_PORT 0x00000027 1245 #define FILE_DEVICE_NETWORK_REDIRECTOR 0x00000028 1246 #define FILE_DEVICE_BATTERY 0x00000029 1247 #define FILE_DEVICE_BUS_EXTENDER 0x0000002A 1248 #define FILE_DEVICE_MODEM 0x0000002B 1249 #define FILE_DEVICE_VDM 0x0000002C 1250 #define FILE_DEVICE_MASS_STORAGE 0x0000002D 1251 #define FILE_DEVICE_SMB 0x0000002E 1252 #define FILE_DEVICE_KS 0x0000002F 1253 #define FILE_DEVICE_CHANGER 0x00000030 1254 #define FILE_DEVICE_SMARTCARD 0x00000031 1255 #define FILE_DEVICE_ACPI 0x00000032 1256 #define FILE_DEVICE_DVD 0x00000033 1257 #define FILE_DEVICE_FULLSCREEN_VIDEO 0x00000034 1258 #define FILE_DEVICE_DFS_FILE_SYSTEM 0x00000035 1259 #define FILE_DEVICE_DFS_VOLUME 0x00000036 1260 #define FILE_DEVICE_SERENUM 0x00000037 1261 #define FILE_DEVICE_TERMSRV 0x00000038 1262 #define FILE_DEVICE_KSEC 0x00000039 1263 #define FILE_DEVICE_FIPS 0x0000003A 1264 1265 /* Device characteristics */ 1266 1267 #define FILE_REMOVABLE_MEDIA 0x00000001 1268 #define FILE_READ_ONLY_DEVICE 0x00000002 1269 #define FILE_FLOPPY_DISKETTE 0x00000004 1270 #define FILE_WRITE_ONCE_MEDIA 0x00000008 1271 #define FILE_REMOTE_DEVICE 0x00000010 1272 #define FILE_DEVICE_IS_MOUNTED 0x00000020 1273 #define FILE_VIRTUAL_VOLUME 0x00000040 1274 #define FILE_AUTOGENERATED_DEVICE_NAME 0x00000080 1275 #define FILE_DEVICE_SECURE_OPEN 0x00000100 1276 1277 /* Status codes */ 1278 1279 #define STATUS_SUCCESS 0x00000000 1280 #define STATUS_USER_APC 0x000000C0 1281 #define STATUS_KERNEL_APC 0x00000100 1282 #define STATUS_ALERTED 0x00000101 1283 #define STATUS_TIMEOUT 0x00000102 1284 #define STATUS_PENDING 0x00000103 1285 #define STATUS_FAILURE 0xC0000001 1286 #define STATUS_NOT_IMPLEMENTED 0xC0000002 1287 #define STATUS_ACCESS_VIOLATION 0xC0000005 1288 #define STATUS_INVALID_PARAMETER 0xC000000D 1289 #define STATUS_INVALID_DEVICE_REQUEST 0xC0000010 1290 #define STATUS_MORE_PROCESSING_REQUIRED 0xC0000016 1291 #define STATUS_NO_MEMORY 0xC0000017 1292 #define STATUS_BUFFER_TOO_SMALL 0xC0000023 1293 #define STATUS_MUTANT_NOT_OWNED 0xC0000046 1294 #define STATUS_NOT_SUPPORTED 0xC00000BB 1295 #define STATUS_INVALID_PARAMETER_2 0xC00000F0 1296 #define STATUS_INSUFFICIENT_RESOURCES 0xC000009A 1297 #define STATUS_DEVICE_NOT_CONNECTED 0xC000009D 1298 #define STATUS_CANCELLED 0xC0000120 1299 #define STATUS_NOT_FOUND 0xC0000225 1300 #define STATUS_DEVICE_REMOVED 0xC00002B6 1301 1302 #define STATUS_WAIT_0 0x00000000 1303 1304 /* Memory pool types, for ExAllocatePoolWithTag() */ 1305 1306 #define NonPagedPool 0x00000000 1307 #define PagedPool 0x00000001 1308 #define NonPagedPoolMustSucceed 0x00000002 1309 #define DontUseThisType 0x00000003 1310 #define NonPagedPoolCacheAligned 0x00000004 1311 #define PagedPoolCacheAligned 0x00000005 1312 #define NonPagedPoolCacheAlignedMustS 0x00000006 1313 #define MaxPoolType 0x00000007 1314 1315 /* 1316 * IO_WORKITEM is an opaque structures that must be allocated 1317 * via IoAllocateWorkItem() and released via IoFreeWorkItem(). 1318 * Consequently, we can define it any way we want. 1319 */ 1320 typedef void (*io_workitem_func)(device_object *, void *); 1321 1322 struct io_workitem { 1323 io_workitem_func iw_func; 1324 void *iw_ctx; 1325 list_entry iw_listentry; 1326 device_object *iw_dobj; 1327 int iw_idx; 1328 }; 1329 1330 typedef struct io_workitem io_workitem; 1331 1332 #define WORKQUEUE_CRITICAL 0 1333 #define WORKQUEUE_DELAYED 1 1334 #define WORKQUEUE_HYPERCRITICAL 2 1335 1336 #define WORKITEM_THREADS 4 1337 #define WORKITEM_LEGACY_THREAD 3 1338 #define WORKIDX_INC(x) (x) = (x + 1) % WORKITEM_LEGACY_THREAD 1339 1340 /* 1341 * Older, deprecated work item API, needed to support NdisQueueWorkItem(). 1342 */ 1343 1344 struct work_queue_item; 1345 1346 typedef void (*work_item_func)(struct work_queue_item *, void *); 1347 1348 struct work_queue_item { 1349 list_entry wqi_entry; 1350 work_item_func wqi_func; 1351 void *wqi_ctx; 1352 }; 1353 1354 typedef struct work_queue_item work_queue_item; 1355 1356 #define ExInitializeWorkItem(w, func, ctx) \ 1357 do { \ 1358 (w)->wqi_func = (func); \ 1359 (w)->wqi_ctx = (ctx); \ 1360 InitializeListHead(&((w)->wqi_entry)); \ 1361 } while (0) 1362 1363 /* 1364 * FreeBSD's kernel stack is 2 pages in size by default. The 1365 * Windows stack is larger, so we need to give our threads more 1366 * stack pages. 4 should be enough, we use 8 just to extra safe. 1367 */ 1368 #define NDIS_KSTACK_PAGES 8 1369 1370 /* 1371 * Different kinds of function wrapping we can do. 1372 */ 1373 1374 #define WINDRV_WRAP_STDCALL 1 1375 #define WINDRV_WRAP_FASTCALL 2 1376 #define WINDRV_WRAP_REGPARM 3 1377 #define WINDRV_WRAP_CDECL 4 1378 #define WINDRV_WRAP_AMD64 5 1379 1380 struct drvdb_ent { 1381 driver_object *windrv_object; 1382 void *windrv_devlist; 1383 ndis_cfg *windrv_regvals; 1384 interface_type windrv_bustype; 1385 STAILQ_ENTRY(drvdb_ent) link; 1386 }; 1387 1388 extern image_patch_table ntoskrnl_functbl[]; 1389 #ifdef __amd64__ 1390 extern struct kuser_shared_data kuser_shared_data; 1391 #endif 1392 typedef void (*funcptr)(void); 1393 typedef int (*matchfuncptr)(interface_type, void *, void *); 1394 1395 __BEGIN_DECLS 1396 extern int windrv_libinit(void); 1397 extern int windrv_libfini(void); 1398 extern driver_object *windrv_lookup(vm_offset_t, char *); 1399 extern struct drvdb_ent *windrv_match(matchfuncptr, void *); 1400 extern int windrv_load(module_t, vm_offset_t, int, interface_type, 1401 void *, ndis_cfg *); 1402 extern int windrv_unload(module_t, vm_offset_t, int); 1403 extern int windrv_create_pdo(driver_object *, device_t); 1404 extern void windrv_destroy_pdo(driver_object *, device_t); 1405 extern device_object *windrv_find_pdo(driver_object *, device_t); 1406 extern int windrv_bus_attach(driver_object *, char *); 1407 extern int windrv_wrap(funcptr, funcptr *, int, int); 1408 extern int windrv_unwrap(funcptr); 1409 extern void ctxsw_utow(void); 1410 extern void ctxsw_wtou(void); 1411 1412 extern int ntoskrnl_libinit(void); 1413 extern int ntoskrnl_libfini(void); 1414 1415 extern void ntoskrnl_intr(void *); 1416 extern void ntoskrnl_time(uint64_t *); 1417 1418 extern uint16_t ExQueryDepthSList(slist_header *); 1419 extern slist_entry 1420 *InterlockedPushEntrySList(slist_header *, slist_entry *); 1421 extern slist_entry *InterlockedPopEntrySList(slist_header *); 1422 extern uint32_t RtlUnicodeStringToAnsiString(ansi_string *, 1423 unicode_string *, uint8_t); 1424 extern uint32_t RtlAnsiStringToUnicodeString(unicode_string *, 1425 ansi_string *, uint8_t); 1426 extern void RtlInitAnsiString(ansi_string *, char *); 1427 extern void RtlInitUnicodeString(unicode_string *, 1428 uint16_t *); 1429 extern void RtlFreeUnicodeString(unicode_string *); 1430 extern void RtlFreeAnsiString(ansi_string *); 1431 extern void KeInitializeDpc(kdpc *, void *, void *); 1432 extern uint8_t KeInsertQueueDpc(kdpc *, void *, void *); 1433 extern uint8_t KeRemoveQueueDpc(kdpc *); 1434 extern void KeSetImportanceDpc(kdpc *, uint32_t); 1435 extern void KeSetTargetProcessorDpc(kdpc *, uint8_t); 1436 extern void KeFlushQueuedDpcs(void); 1437 extern uint32_t KeGetCurrentProcessorNumber(void); 1438 extern void KeInitializeTimer(ktimer *); 1439 extern void KeInitializeTimerEx(ktimer *, uint32_t); 1440 extern uint8_t KeSetTimer(ktimer *, int64_t, kdpc *); 1441 extern uint8_t KeSetTimerEx(ktimer *, int64_t, uint32_t, kdpc *); 1442 extern uint8_t KeCancelTimer(ktimer *); 1443 extern uint8_t KeReadStateTimer(ktimer *); 1444 extern uint32_t KeWaitForSingleObject(void *, uint32_t, 1445 uint32_t, uint8_t, int64_t *); 1446 extern void KeInitializeEvent(nt_kevent *, uint32_t, uint8_t); 1447 extern void KeClearEvent(nt_kevent *); 1448 extern uint32_t KeReadStateEvent(nt_kevent *); 1449 extern uint32_t KeSetEvent(nt_kevent *, uint32_t, uint8_t); 1450 extern uint32_t KeResetEvent(nt_kevent *); 1451 #ifdef __i386__ 1452 extern void KefAcquireSpinLockAtDpcLevel(kspin_lock *); 1453 extern void KefReleaseSpinLockFromDpcLevel(kspin_lock *); 1454 extern uint8_t KeAcquireSpinLockRaiseToDpc(kspin_lock *); 1455 #else 1456 extern void KeAcquireSpinLockAtDpcLevel(kspin_lock *); 1457 extern void KeReleaseSpinLockFromDpcLevel(kspin_lock *); 1458 #endif 1459 extern void KeInitializeSpinLock(kspin_lock *); 1460 extern uint8_t KeAcquireInterruptSpinLock(kinterrupt *); 1461 extern void KeReleaseInterruptSpinLock(kinterrupt *, uint8_t); 1462 extern uint8_t KeSynchronizeExecution(kinterrupt *, void *, void *); 1463 extern uintptr_t InterlockedExchange(volatile uint32_t *, 1464 uintptr_t); 1465 extern void *ExAllocatePoolWithTag(uint32_t, size_t, uint32_t); 1466 extern void ExFreePool(void *); 1467 extern uint32_t IoConnectInterrupt(kinterrupt **, void *, void *, 1468 kspin_lock *, uint32_t, uint8_t, uint8_t, uint8_t, uint8_t, 1469 uint32_t, uint8_t); 1470 extern uint8_t MmIsAddressValid(void *); 1471 extern void *MmGetSystemRoutineAddress(unicode_string *); 1472 extern void *MmMapIoSpace(uint64_t, uint32_t, uint32_t); 1473 extern void MmUnmapIoSpace(void *, size_t); 1474 extern void MmBuildMdlForNonPagedPool(mdl *); 1475 extern void IoDisconnectInterrupt(kinterrupt *); 1476 extern uint32_t IoAllocateDriverObjectExtension(driver_object *, 1477 void *, uint32_t, void **); 1478 extern void *IoGetDriverObjectExtension(driver_object *, void *); 1479 extern uint32_t IoCreateDevice(driver_object *, uint32_t, 1480 unicode_string *, uint32_t, uint32_t, uint8_t, device_object **); 1481 extern void IoDeleteDevice(device_object *); 1482 extern device_object *IoGetAttachedDevice(device_object *); 1483 extern uint32_t IofCallDriver(device_object *, irp *); 1484 extern void IofCompleteRequest(irp *, uint8_t); 1485 extern void IoAcquireCancelSpinLock(uint8_t *); 1486 extern void IoReleaseCancelSpinLock(uint8_t); 1487 extern uint8_t IoCancelIrp(irp *); 1488 extern void IoDetachDevice(device_object *); 1489 extern device_object *IoAttachDeviceToDeviceStack(device_object *, 1490 device_object *); 1491 extern mdl *IoAllocateMdl(void *, uint32_t, uint8_t, uint8_t, irp *); 1492 extern void IoFreeMdl(mdl *); 1493 extern io_workitem *IoAllocateWorkItem(device_object *); 1494 extern void ExQueueWorkItem(work_queue_item *, u_int32_t); 1495 extern void IoFreeWorkItem(io_workitem *); 1496 extern void IoQueueWorkItem(io_workitem *, io_workitem_func, 1497 uint32_t, void *); 1498 1499 #define IoCallDriver(a, b) IofCallDriver(a, b) 1500 #define IoCompleteRequest(a, b) IofCompleteRequest(a, b) 1501 1502 /* 1503 * On the Windows x86 arch, KeAcquireSpinLock() and KeReleaseSpinLock() 1504 * routines live in the HAL. We try to imitate this behavior. 1505 */ 1506 #ifdef __i386__ 1507 #define KI_USER_SHARED_DATA 0xffdf0000 1508 #define KeAcquireSpinLock(a, b) *(b) = KfAcquireSpinLock(a) 1509 #define KeReleaseSpinLock(a, b) KfReleaseSpinLock(a, b) 1510 #define KeRaiseIrql(a, b) *(b) = KfRaiseIrql(a) 1511 #define KeLowerIrql(a) KfLowerIrql(a) 1512 #define KeAcquireSpinLockAtDpcLevel(a) KefAcquireSpinLockAtDpcLevel(a) 1513 #define KeReleaseSpinLockFromDpcLevel(a) KefReleaseSpinLockFromDpcLevel(a) 1514 #endif /* __i386__ */ 1515 1516 #ifdef __amd64__ 1517 #define KI_USER_SHARED_DATA 0xfffff78000000000UL 1518 #define KeAcquireSpinLock(a, b) *(b) = KfAcquireSpinLock(a) 1519 #define KeReleaseSpinLock(a, b) KfReleaseSpinLock(a, b) 1520 1521 /* 1522 * These may need to be redefined later; 1523 * not sure where they live on amd64 yet. 1524 */ 1525 #define KeRaiseIrql(a, b) *(b) = KfRaiseIrql(a) 1526 #define KeLowerIrql(a) KfLowerIrql(a) 1527 #endif /* __amd64__ */ 1528 1529 __END_DECLS 1530 1531 #endif /* _NTOSKRNL_VAR_H_ */
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