master
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (c) 1996, by Peter Wemm and Steve Passe
5 * 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. The name of the developer may NOT be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#ifndef _X86_APICREG_H_
29#define _X86_APICREG_H_
30
31/*
32 * Local && I/O APIC definitions.
33 */
34
35/*
36 * Pentium P54C+ Built-in APIC
37 * (Advanced programmable Interrupt Controller)
38 *
39 * Base Address of Built-in APIC in memory location
40 * is 0xfee00000.
41 *
42 * Map of APIC Registers:
43 *
44 * Offset (hex) Description Read/Write state
45 * 000 Reserved
46 * 010 Reserved
47 * 020 ID Local APIC ID R/W
48 * 030 VER Local APIC Version R
49 * 040 Reserved
50 * 050 Reserved
51 * 060 Reserved
52 * 070 Reserved
53 * 080 Task Priority Register R/W
54 * 090 Arbitration Priority Register R
55 * 0A0 Processor Priority Register R
56 * 0B0 EOI Register W
57 * 0C0 RRR Remote read R
58 * 0D0 Logical Destination R/W
59 * 0E0 Destination Format Register 0..27 R; 28..31 R/W
60 * 0F0 SVR Spurious Interrupt Vector Reg. 0..3 R; 4..9 R/W
61 * 100 ISR 000-031 R
62 * 110 ISR 032-063 R
63 * 120 ISR 064-095 R
64 * 130 ISR 095-128 R
65 * 140 ISR 128-159 R
66 * 150 ISR 160-191 R
67 * 160 ISR 192-223 R
68 * 170 ISR 224-255 R
69 * 180 TMR 000-031 R
70 * 190 TMR 032-063 R
71 * 1A0 TMR 064-095 R
72 * 1B0 TMR 095-128 R
73 * 1C0 TMR 128-159 R
74 * 1D0 TMR 160-191 R
75 * 1E0 TMR 192-223 R
76 * 1F0 TMR 224-255 R
77 * 200 IRR 000-031 R
78 * 210 IRR 032-063 R
79 * 220 IRR 064-095 R
80 * 230 IRR 095-128 R
81 * 240 IRR 128-159 R
82 * 250 IRR 160-191 R
83 * 260 IRR 192-223 R
84 * 270 IRR 224-255 R
85 * 280 Error Status Register R
86 * 290 Reserved
87 * 2A0 Reserved
88 * 2B0 Reserved
89 * 2C0 Reserved
90 * 2D0 Reserved
91 * 2E0 Reserved
92 * 2F0 Local Vector Table (CMCI) R/W
93 * 300 ICR_LOW Interrupt Command Reg. (0-31) R/W
94 * 310 ICR_HI Interrupt Command Reg. (32-63) R/W
95 * 320 Local Vector Table (Timer) R/W
96 * 330 Local Vector Table (Thermal) R/W (PIV+)
97 * 340 Local Vector Table (Performance) R/W (P6+)
98 * 350 LVT1 Local Vector Table (LINT0) R/W
99 * 360 LVT2 Local Vector Table (LINT1) R/W
100 * 370 LVT3 Local Vector Table (ERROR) R/W
101 * 380 Initial Count Reg. for Timer R/W
102 * 390 Current Count of Timer R
103 * 3A0 Reserved
104 * 3B0 Reserved
105 * 3C0 Reserved
106 * 3D0 Reserved
107 * 3E0 Timer Divide Configuration Reg. R/W
108 * 3F0 Reserved
109 */
110
111/******************************************************************************
112 * global defines, etc.
113 */
114
115/******************************************************************************
116 * LOCAL APIC structure
117 */
118
119#ifndef LOCORE
120#include <sys/types.h>
121
122#define PAD3 int : 32; int : 32; int : 32
123#define PAD4 int : 32; int : 32; int : 32; int : 32
124
125struct LAPIC {
126 /* reserved */ PAD4;
127 /* reserved */ PAD4;
128 u_int32_t id; PAD3;
129 u_int32_t version; PAD3;
130 /* reserved */ PAD4;
131 /* reserved */ PAD4;
132 /* reserved */ PAD4;
133 /* reserved */ PAD4;
134 u_int32_t tpr; PAD3;
135 u_int32_t apr; PAD3;
136 u_int32_t ppr; PAD3;
137 u_int32_t eoi; PAD3;
138 /* reserved */ PAD4;
139 u_int32_t ldr; PAD3;
140 u_int32_t dfr; PAD3;
141 u_int32_t svr; PAD3;
142 u_int32_t isr0; PAD3;
143 u_int32_t isr1; PAD3;
144 u_int32_t isr2; PAD3;
145 u_int32_t isr3; PAD3;
146 u_int32_t isr4; PAD3;
147 u_int32_t isr5; PAD3;
148 u_int32_t isr6; PAD3;
149 u_int32_t isr7; PAD3;
150 u_int32_t tmr0; PAD3;
151 u_int32_t tmr1; PAD3;
152 u_int32_t tmr2; PAD3;
153 u_int32_t tmr3; PAD3;
154 u_int32_t tmr4; PAD3;
155 u_int32_t tmr5; PAD3;
156 u_int32_t tmr6; PAD3;
157 u_int32_t tmr7; PAD3;
158 u_int32_t irr0; PAD3;
159 u_int32_t irr1; PAD3;
160 u_int32_t irr2; PAD3;
161 u_int32_t irr3; PAD3;
162 u_int32_t irr4; PAD3;
163 u_int32_t irr5; PAD3;
164 u_int32_t irr6; PAD3;
165 u_int32_t irr7; PAD3;
166 u_int32_t esr; PAD3;
167 /* reserved */ PAD4;
168 /* reserved */ PAD4;
169 /* reserved */ PAD4;
170 /* reserved */ PAD4;
171 /* reserved */ PAD4;
172 /* reserved */ PAD4;
173 u_int32_t lvt_cmci; PAD3;
174 u_int32_t icr_lo; PAD3;
175 u_int32_t icr_hi; PAD3;
176 u_int32_t lvt_timer; PAD3;
177 u_int32_t lvt_thermal; PAD3;
178 u_int32_t lvt_pcint; PAD3;
179 u_int32_t lvt_lint0; PAD3;
180 u_int32_t lvt_lint1; PAD3;
181 u_int32_t lvt_error; PAD3;
182 u_int32_t icr_timer; PAD3;
183 u_int32_t ccr_timer; PAD3;
184 /* reserved */ PAD4;
185 /* reserved */ PAD4;
186 /* reserved */ PAD4;
187 /* reserved */ PAD4;
188 u_int32_t dcr_timer; PAD3;
189 /* reserved */ PAD4;
190};
191
192typedef struct LAPIC lapic_t;
193
194enum LAPIC_REGISTERS {
195 LAPIC_ID = 0x2,
196 LAPIC_VERSION = 0x3,
197 LAPIC_TPR = 0x8,
198 LAPIC_APR = 0x9,
199 LAPIC_PPR = 0xa,
200 LAPIC_EOI = 0xb,
201 LAPIC_LDR = 0xd,
202 LAPIC_DFR = 0xe, /* Not in x2APIC */
203 LAPIC_SVR = 0xf,
204 LAPIC_ISR0 = 0x10,
205 LAPIC_ISR1 = 0x11,
206 LAPIC_ISR2 = 0x12,
207 LAPIC_ISR3 = 0x13,
208 LAPIC_ISR4 = 0x14,
209 LAPIC_ISR5 = 0x15,
210 LAPIC_ISR6 = 0x16,
211 LAPIC_ISR7 = 0x17,
212 LAPIC_TMR0 = 0x18,
213 LAPIC_TMR1 = 0x19,
214 LAPIC_TMR2 = 0x1a,
215 LAPIC_TMR3 = 0x1b,
216 LAPIC_TMR4 = 0x1c,
217 LAPIC_TMR5 = 0x1d,
218 LAPIC_TMR6 = 0x1e,
219 LAPIC_TMR7 = 0x1f,
220 LAPIC_IRR0 = 0x20,
221 LAPIC_IRR1 = 0x21,
222 LAPIC_IRR2 = 0x22,
223 LAPIC_IRR3 = 0x23,
224 LAPIC_IRR4 = 0x24,
225 LAPIC_IRR5 = 0x25,
226 LAPIC_IRR6 = 0x26,
227 LAPIC_IRR7 = 0x27,
228 LAPIC_ESR = 0x28,
229 LAPIC_LVT_CMCI = 0x2f,
230 LAPIC_ICR_LO = 0x30,
231 LAPIC_ICR_HI = 0x31, /* Not in x2APIC */
232 LAPIC_LVT_TIMER = 0x32,
233 LAPIC_LVT_THERMAL = 0x33,
234 LAPIC_LVT_PCINT = 0x34,
235 LAPIC_LVT_LINT0 = 0x35,
236 LAPIC_LVT_LINT1 = 0x36,
237 LAPIC_LVT_ERROR = 0x37,
238 LAPIC_ICR_TIMER = 0x38,
239 LAPIC_CCR_TIMER = 0x39,
240 LAPIC_DCR_TIMER = 0x3e,
241 LAPIC_SELF_IPI = 0x3f, /* Only in x2APIC */
242 LAPIC_EXT_FEATURES = 0x40, /* AMD */
243 LAPIC_EXT_CTRL = 0x41, /* AMD */
244 LAPIC_EXT_SEOI = 0x42, /* AMD */
245 LAPIC_EXT_IER0 = 0x48, /* AMD */
246 LAPIC_EXT_IER1 = 0x49, /* AMD */
247 LAPIC_EXT_IER2 = 0x4a, /* AMD */
248 LAPIC_EXT_IER3 = 0x4b, /* AMD */
249 LAPIC_EXT_IER4 = 0x4c, /* AMD */
250 LAPIC_EXT_IER5 = 0x4d, /* AMD */
251 LAPIC_EXT_IER6 = 0x4e, /* AMD */
252 LAPIC_EXT_IER7 = 0x4f, /* AMD */
253 LAPIC_EXT_LVT0 = 0x50, /* AMD */
254 LAPIC_EXT_LVT1 = 0x51, /* AMD */
255 LAPIC_EXT_LVT2 = 0x52, /* AMD */
256 LAPIC_EXT_LVT3 = 0x53, /* AMD */
257};
258
259#define LAPIC_MEM_MUL 0x10
260
261/*
262 * Although some registers are available on AMD processors only,
263 * it's not a big waste to reserve them on all platforms.
264 * However, we need to watch out for this space being assigned for
265 * non-APIC purposes in the future processor models.
266 */
267#define LAPIC_MEM_REGION ((LAPIC_EXT_LVT3 + 1) * LAPIC_MEM_MUL)
268
269/******************************************************************************
270 * I/O APIC structure
271 */
272
273struct IOAPIC {
274 u_int32_t ioregsel; PAD3;
275 u_int32_t iowin; PAD3;
276};
277
278typedef struct IOAPIC ioapic_t;
279
280#undef PAD4
281#undef PAD3
282
283#endif /* !LOCORE */
284
285/******************************************************************************
286 * various code 'logical' values
287 */
288
289/******************************************************************************
290 * LOCAL APIC defines
291 */
292
293/* default physical locations of LOCAL (CPU) APICs */
294#define DEFAULT_APIC_BASE 0xfee00000
295
296/* constants relating to APIC ID registers */
297#define APIC_ID_MASK 0xff000000
298#define APIC_ID_SHIFT 24
299#define APIC_ID_CLUSTER 0xf0
300#define APIC_ID_CLUSTER_ID 0x0f
301#define APIC_MAX_CLUSTER 0xe
302#define APIC_MAX_INTRACLUSTER_ID 3
303#define APIC_ID_CLUSTER_SHIFT 4
304
305/* fields in VER */
306#define APIC_VER_VERSION 0x000000ff
307#define APIC_VER_MAXLVT 0x00ff0000
308#define MAXLVTSHIFT 16
309#define APIC_VER_EOI_SUPPRESSION 0x01000000
310#define APIC_VER_AMD_EXT_SPACE 0x80000000
311
312/* fields in LDR */
313#define APIC_LDR_RESERVED 0x00ffffff
314
315/* fields in DFR */
316#define APIC_DFR_RESERVED 0x0fffffff
317#define APIC_DFR_MODEL_MASK 0xf0000000
318#define APIC_DFR_MODEL_FLAT 0xf0000000
319#define APIC_DFR_MODEL_CLUSTER 0x00000000
320
321/* fields in SVR */
322#define APIC_SVR_VECTOR 0x000000ff
323#define APIC_SVR_VEC_PROG 0x000000f0
324#define APIC_SVR_VEC_FIX 0x0000000f
325#define APIC_SVR_ENABLE 0x00000100
326# define APIC_SVR_SWDIS 0x00000000
327# define APIC_SVR_SWEN 0x00000100
328#define APIC_SVR_FOCUS 0x00000200
329# define APIC_SVR_FEN 0x00000000
330# define APIC_SVR_FDIS 0x00000200
331#define APIC_SVR_EOI_SUPPRESSION 0x00001000
332
333/* fields in TPR */
334#define APIC_TPR_PRIO 0x000000ff
335# define APIC_TPR_INT 0x000000f0
336# define APIC_TPR_SUB 0x0000000f
337
338/* fields in ESR */
339#define APIC_ESR_SEND_CS_ERROR 0x00000001
340#define APIC_ESR_RECEIVE_CS_ERROR 0x00000002
341#define APIC_ESR_SEND_ACCEPT 0x00000004
342#define APIC_ESR_RECEIVE_ACCEPT 0x00000008
343#define APIC_ESR_SEND_ILLEGAL_VECTOR 0x00000020
344#define APIC_ESR_RECEIVE_ILLEGAL_VECTOR 0x00000040
345#define APIC_ESR_ILLEGAL_REGISTER 0x00000080
346
347/* fields in ICR_LOW */
348#define APIC_VECTOR_MASK 0x000000ff
349
350#define APIC_DELMODE_MASK 0x00000700
351# define APIC_DELMODE_FIXED 0x00000000
352# define APIC_DELMODE_LOWPRIO 0x00000100
353# define APIC_DELMODE_SMI 0x00000200
354# define APIC_DELMODE_RR 0x00000300
355# define APIC_DELMODE_NMI 0x00000400
356# define APIC_DELMODE_INIT 0x00000500
357# define APIC_DELMODE_STARTUP 0x00000600
358# define APIC_DELMODE_RESV 0x00000700
359
360#define APIC_DESTMODE_MASK 0x00000800
361# define APIC_DESTMODE_PHY 0x00000000
362# define APIC_DESTMODE_LOG 0x00000800
363
364#define APIC_DELSTAT_MASK 0x00001000
365# define APIC_DELSTAT_IDLE 0x00000000
366# define APIC_DELSTAT_PEND 0x00001000
367
368#define APIC_RESV1_MASK 0x00002000
369
370#define APIC_LEVEL_MASK 0x00004000
371# define APIC_LEVEL_DEASSERT 0x00000000
372# define APIC_LEVEL_ASSERT 0x00004000
373
374#define APIC_TRIGMOD_MASK 0x00008000
375# define APIC_TRIGMOD_EDGE 0x00000000
376# define APIC_TRIGMOD_LEVEL 0x00008000
377
378#define APIC_RRSTAT_MASK 0x00030000
379# define APIC_RRSTAT_INVALID 0x00000000
380# define APIC_RRSTAT_INPROG 0x00010000
381# define APIC_RRSTAT_VALID 0x00020000
382# define APIC_RRSTAT_RESV 0x00030000
383
384#define APIC_DEST_MASK 0x000c0000
385# define APIC_DEST_DESTFLD 0x00000000
386# define APIC_DEST_SELF 0x00040000
387# define APIC_DEST_ALLISELF 0x00080000
388# define APIC_DEST_ALLESELF 0x000c0000
389
390#define APIC_RESV2_MASK 0xfff00000
391
392#define APIC_ICRLO_RESV_MASK (APIC_RESV1_MASK | APIC_RESV2_MASK)
393
394/* fields in LVT1/2 */
395#define APIC_LVT_VECTOR 0x000000ff
396#define APIC_LVT_DM 0x00000700
397# define APIC_LVT_DM_FIXED 0x00000000
398# define APIC_LVT_DM_SMI 0x00000200
399# define APIC_LVT_DM_NMI 0x00000400
400# define APIC_LVT_DM_INIT 0x00000500
401# define APIC_LVT_DM_EXTINT 0x00000700
402#define APIC_LVT_DS 0x00001000
403#define APIC_LVT_IIPP 0x00002000
404#define APIC_LVT_IIPP_INTALO 0x00002000
405#define APIC_LVT_IIPP_INTAHI 0x00000000
406#define APIC_LVT_RIRR 0x00004000
407#define APIC_LVT_TM 0x00008000
408#define APIC_LVT_M 0x00010000
409
410/* fields in LVT Timer */
411#define APIC_LVTT_VECTOR 0x000000ff
412#define APIC_LVTT_DS 0x00001000
413#define APIC_LVTT_M 0x00010000
414#define APIC_LVTT_TM 0x00060000
415# define APIC_LVTT_TM_ONE_SHOT 0x00000000
416# define APIC_LVTT_TM_PERIODIC 0x00020000
417# define APIC_LVTT_TM_TSCDLT 0x00040000
418# define APIC_LVTT_TM_RSRV 0x00060000
419
420/* APIC timer current count */
421#define APIC_TIMER_MAX_COUNT 0xffffffff
422
423/* fields in TDCR */
424#define APIC_TDCR_2 0x00
425#define APIC_TDCR_4 0x01
426#define APIC_TDCR_8 0x02
427#define APIC_TDCR_16 0x03
428#define APIC_TDCR_32 0x08
429#define APIC_TDCR_64 0x09
430#define APIC_TDCR_128 0x0a
431#define APIC_TDCR_1 0x0b
432
433/* Constants related to AMD Extended APIC Features Register */
434#define APIC_EXTF_ELVT_MASK 0x00ff0000
435#define APIC_EXTF_ELVT_SHIFT 16
436#define APIC_EXTF_EXTID_CAP 0x00000004
437#define APIC_EXTF_SEIO_CAP 0x00000002
438#define APIC_EXTF_IER_CAP 0x00000001
439
440/* LVT table indices */
441#define APIC_LVT_LINT0 0
442#define APIC_LVT_LINT1 1
443#define APIC_LVT_TIMER 2
444#define APIC_LVT_ERROR 3
445#define APIC_LVT_PMC 4
446#define APIC_LVT_THERMAL 5
447#define APIC_LVT_CMCI 6
448#define APIC_LVT_MAX APIC_LVT_CMCI
449
450/* AMD extended LVT constants, seem to be assigned by fiat */
451#define APIC_ELVT_IBS 0 /* Instruction based sampling */
452#define APIC_ELVT_MCA 1 /* MCE thresholding */
453#define APIC_ELVT_DEI 2 /* Deferred error interrupt */
454#define APIC_ELVT_SBI 3 /* Sideband interface */
455#define APIC_ELVT_MAX APIC_ELVT_SBI
456
457/******************************************************************************
458 * I/O APIC defines
459 */
460
461/* default physical locations of an IO APIC */
462#define DEFAULT_IO_APIC_BASE 0xfec00000
463
464/* window register offset */
465#define IOAPIC_WINDOW 0x10
466#define IOAPIC_EOIR 0x40
467
468#define IOAPIC_WND_SIZE 0x50
469
470/* indexes into IO APIC */
471#define IOAPIC_ID 0x00
472#define IOAPIC_VER 0x01
473#define IOAPIC_ARB 0x02
474#define IOAPIC_REDTBL 0x10
475#define IOAPIC_REDTBL0 IOAPIC_REDTBL
476#define IOAPIC_REDTBL1 (IOAPIC_REDTBL+0x02)
477#define IOAPIC_REDTBL2 (IOAPIC_REDTBL+0x04)
478#define IOAPIC_REDTBL3 (IOAPIC_REDTBL+0x06)
479#define IOAPIC_REDTBL4 (IOAPIC_REDTBL+0x08)
480#define IOAPIC_REDTBL5 (IOAPIC_REDTBL+0x0a)
481#define IOAPIC_REDTBL6 (IOAPIC_REDTBL+0x0c)
482#define IOAPIC_REDTBL7 (IOAPIC_REDTBL+0x0e)
483#define IOAPIC_REDTBL8 (IOAPIC_REDTBL+0x10)
484#define IOAPIC_REDTBL9 (IOAPIC_REDTBL+0x12)
485#define IOAPIC_REDTBL10 (IOAPIC_REDTBL+0x14)
486#define IOAPIC_REDTBL11 (IOAPIC_REDTBL+0x16)
487#define IOAPIC_REDTBL12 (IOAPIC_REDTBL+0x18)
488#define IOAPIC_REDTBL13 (IOAPIC_REDTBL+0x1a)
489#define IOAPIC_REDTBL14 (IOAPIC_REDTBL+0x1c)
490#define IOAPIC_REDTBL15 (IOAPIC_REDTBL+0x1e)
491#define IOAPIC_REDTBL16 (IOAPIC_REDTBL+0x20)
492#define IOAPIC_REDTBL17 (IOAPIC_REDTBL+0x22)
493#define IOAPIC_REDTBL18 (IOAPIC_REDTBL+0x24)
494#define IOAPIC_REDTBL19 (IOAPIC_REDTBL+0x26)
495#define IOAPIC_REDTBL20 (IOAPIC_REDTBL+0x28)
496#define IOAPIC_REDTBL21 (IOAPIC_REDTBL+0x2a)
497#define IOAPIC_REDTBL22 (IOAPIC_REDTBL+0x2c)
498#define IOAPIC_REDTBL23 (IOAPIC_REDTBL+0x2e)
499
500/* fields in VER */
501#define IOART_VER_VERSION 0x000000ff
502#define IOART_VER_MAXREDIR 0x00ff0000
503#define MAXREDIRSHIFT 16
504
505/*
506 * fields in the IO APIC's redirection table entries
507 */
508#define IOART_DEST APIC_ID_MASK /* broadcast addr: all APICs */
509
510#define IOART_RESV 0x00fe0000 /* reserved */
511
512#define IOART_INTMASK 0x00010000 /* R/W: INTerrupt mask */
513# define IOART_INTMCLR 0x00000000 /* clear, allow INTs */
514# define IOART_INTMSET 0x00010000 /* set, inhibit INTs */
515
516#define IOART_TRGRMOD 0x00008000 /* R/W: trigger mode */
517# define IOART_TRGREDG 0x00000000 /* edge */
518# define IOART_TRGRLVL 0x00008000 /* level */
519
520#define IOART_REM_IRR 0x00004000 /* RO: remote IRR */
521
522#define IOART_INTPOL 0x00002000 /* R/W: INT input pin polarity */
523# define IOART_INTAHI 0x00000000 /* active high */
524# define IOART_INTALO 0x00002000 /* active low */
525
526#define IOART_DELIVS 0x00001000 /* RO: delivery status */
527
528#define IOART_DESTMOD 0x00000800 /* R/W: destination mode */
529# define IOART_DESTPHY 0x00000000 /* physical */
530# define IOART_DESTLOG 0x00000800 /* logical */
531
532#define IOART_DELMOD 0x00000700 /* R/W: delivery mode */
533# define IOART_DELFIXED 0x00000000 /* fixed */
534# define IOART_DELLOPRI 0x00000100 /* lowest priority */
535# define IOART_DELSMI 0x00000200 /* System Management INT */
536# define IOART_DELRSV1 0x00000300 /* reserved */
537# define IOART_DELNMI 0x00000400 /* NMI signal */
538# define IOART_DELINIT 0x00000500 /* INIT signal */
539# define IOART_DELRSV2 0x00000600 /* reserved */
540# define IOART_DELEXINT 0x00000700 /* External INTerrupt */
541
542#define IOART_INTVEC 0x000000ff /* R/W: INTerrupt vector field */
543
544#endif /* _X86_APICREG_H_ */