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