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x86: io-apic: IO-APIC MMIO should not fail on resource insertion
[net-next-2.6.git] / arch / x86 / include / asm / apicdef.h
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1#ifndef _ASM_X86_APICDEF_H
2#define _ASM_X86_APICDEF_H
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3
4/*
5 * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
6 *
7 * Alan Cox <Alan.Cox@linux.org>, 1995.
8 * Ingo Molnar <mingo@redhat.com>, 1999, 2000
9 */
10
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11#define IO_APIC_DEFAULT_PHYS_BASE 0xfec00000
12#define APIC_DEFAULT_PHYS_BASE 0xfee00000
2d539553 13
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14/*
15 * This is the IO-APIC register space as specified
16 * by Intel docs:
17 */
18#define IO_APIC_SLOT_SIZE 1024
19
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20#define APIC_ID 0x20
21
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22#define APIC_LVR 0x30
23#define APIC_LVR_MASK 0xFF00FF
fc61b800 24#define APIC_LVR_DIRECTED_EOI (1 << 24)
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25#define GET_APIC_VERSION(x) ((x) & 0xFFu)
26#define GET_APIC_MAXLVT(x) (((x) >> 16) & 0xFFu)
ac56ef61 27#ifdef CONFIG_X86_32
79a4a961 28# define APIC_INTEGRATED(x) ((x) & 0xF0u)
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29#else
30# define APIC_INTEGRATED(x) (1)
31#endif
2d539553 32#define APIC_XAPIC(x) ((x) >= 0x14)
97a52714 33#define APIC_EXT_SPACE(x) ((x) & 0x80000000)
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34#define APIC_TASKPRI 0x80
35#define APIC_TPRI_MASK 0xFFu
36#define APIC_ARBPRI 0x90
37#define APIC_ARBPRI_MASK 0xFFu
38#define APIC_PROCPRI 0xA0
39#define APIC_EOI 0xB0
40#define APIC_EIO_ACK 0x0
41#define APIC_RRR 0xC0
42#define APIC_LDR 0xD0
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43#define APIC_LDR_MASK (0xFFu << 24)
44#define GET_APIC_LOGICAL_ID(x) (((x) >> 24) & 0xFFu)
45#define SET_APIC_LOGICAL_ID(x) (((x) << 24))
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46#define APIC_ALL_CPUS 0xFFu
47#define APIC_DFR 0xE0
48#define APIC_DFR_CLUSTER 0x0FFFFFFFul
49#define APIC_DFR_FLAT 0xFFFFFFFFul
50#define APIC_SPIV 0xF0
fc61b800 51#define APIC_SPIV_DIRECTED_EOI (1 << 12)
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52#define APIC_SPIV_FOCUS_DISABLED (1 << 9)
53#define APIC_SPIV_APIC_ENABLED (1 << 8)
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54#define APIC_ISR 0x100
55#define APIC_ISR_NR 0x8 /* Number of 32 bit ISR registers. */
56#define APIC_TMR 0x180
57#define APIC_IRR 0x200
58#define APIC_ESR 0x280
59#define APIC_ESR_SEND_CS 0x00001
60#define APIC_ESR_RECV_CS 0x00002
61#define APIC_ESR_SEND_ACC 0x00004
62#define APIC_ESR_RECV_ACC 0x00008
63#define APIC_ESR_SENDILL 0x00020
64#define APIC_ESR_RECVILL 0x00040
65#define APIC_ESR_ILLREGA 0x00080
03195c6b 66#define APIC_LVTCMCI 0x2f0
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67#define APIC_ICR 0x300
68#define APIC_DEST_SELF 0x40000
69#define APIC_DEST_ALLINC 0x80000
70#define APIC_DEST_ALLBUT 0xC0000
71#define APIC_ICR_RR_MASK 0x30000
72#define APIC_ICR_RR_INVALID 0x00000
73#define APIC_ICR_RR_INPROG 0x10000
74#define APIC_ICR_RR_VALID 0x20000
75#define APIC_INT_LEVELTRIG 0x08000
76#define APIC_INT_ASSERT 0x04000
77#define APIC_ICR_BUSY 0x01000
78#define APIC_DEST_LOGICAL 0x00800
79#define APIC_DEST_PHYSICAL 0x00000
80#define APIC_DM_FIXED 0x00000
81#define APIC_DM_LOWEST 0x00100
82#define APIC_DM_SMI 0x00200
83#define APIC_DM_REMRD 0x00300
84#define APIC_DM_NMI 0x00400
85#define APIC_DM_INIT 0x00500
86#define APIC_DM_STARTUP 0x00600
87#define APIC_DM_EXTINT 0x00700
88#define APIC_VECTOR_MASK 0x000FF
89#define APIC_ICR2 0x310
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90#define GET_APIC_DEST_FIELD(x) (((x) >> 24) & 0xFF)
91#define SET_APIC_DEST_FIELD(x) ((x) << 24)
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92#define APIC_LVTT 0x320
93#define APIC_LVTTHMR 0x330
94#define APIC_LVTPC 0x340
95#define APIC_LVT0 0x350
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96#define APIC_LVT_TIMER_BASE_MASK (0x3 << 18)
97#define GET_APIC_TIMER_BASE(x) (((x) >> 18) & 0x3)
98#define SET_APIC_TIMER_BASE(x) (((x) << 18))
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99#define APIC_TIMER_BASE_CLKIN 0x0
100#define APIC_TIMER_BASE_TMBASE 0x1
101#define APIC_TIMER_BASE_DIV 0x2
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102#define APIC_LVT_TIMER_PERIODIC (1 << 17)
103#define APIC_LVT_MASKED (1 << 16)
104#define APIC_LVT_LEVEL_TRIGGER (1 << 15)
105#define APIC_LVT_REMOTE_IRR (1 << 14)
106#define APIC_INPUT_POLARITY (1 << 13)
107#define APIC_SEND_PENDING (1 << 12)
2d539553 108#define APIC_MODE_MASK 0x700
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109#define GET_APIC_DELIVERY_MODE(x) (((x) >> 8) & 0x7)
110#define SET_APIC_DELIVERY_MODE(x, y) (((x) & ~0x700) | ((y) << 8))
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111#define APIC_MODE_FIXED 0x0
112#define APIC_MODE_NMI 0x4
113#define APIC_MODE_EXTINT 0x7
114#define APIC_LVT1 0x360
115#define APIC_LVTERR 0x370
116#define APIC_TMICT 0x380
117#define APIC_TMCCT 0x390
118#define APIC_TDCR 0x3E0
13c88fb5 119#define APIC_SELF_IPI 0x3F0
79a4a961 120#define APIC_TDR_DIV_TMBASE (1 << 2)
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121#define APIC_TDR_DIV_1 0xB
122#define APIC_TDR_DIV_2 0x0
123#define APIC_TDR_DIV_4 0x1
124#define APIC_TDR_DIV_8 0x2
125#define APIC_TDR_DIV_16 0x3
126#define APIC_TDR_DIV_32 0x8
127#define APIC_TDR_DIV_64 0x9
128#define APIC_TDR_DIV_128 0xA
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129#define APIC_EFEAT 0x400
130#define APIC_ECTRL 0x410
131#define APIC_EILVTn(n) (0x500 + 0x10 * n)
79a4a961 132#define APIC_EILVT_NR_AMD_K8 1 /* # of extended interrupts */
7b83dae7 133#define APIC_EILVT_NR_AMD_10H 4
79a4a961 134#define APIC_EILVT_LVTOFF(x) (((x) >> 4) & 0xF)
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135#define APIC_EILVT_MSG_FIX 0x0
136#define APIC_EILVT_MSG_SMI 0x2
137#define APIC_EILVT_MSG_NMI 0x4
138#define APIC_EILVT_MSG_EXT 0x7
79a4a961 139#define APIC_EILVT_MASKED (1 << 16)
cff90dbf 140
2d539553 141#define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
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142#define APIC_BASE_MSR 0x800
143#define X2APIC_ENABLE (1UL << 10)
2d539553 144
96a388de 145#ifdef CONFIG_X86_32
2d539553 146# define MAX_IO_APICS 64
96a388de 147#else
2d539553 148# define MAX_IO_APICS 128
a65d1d64 149# define MAX_LOCAL_APIC 32768
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150#endif
151
152/*
153 * All x86-64 systems are xAPIC compatible.
154 * In the following, "apicid" is a physical APIC ID.
155 */
156#define XAPIC_DEST_CPUS_SHIFT 4
157#define XAPIC_DEST_CPUS_MASK ((1u << XAPIC_DEST_CPUS_SHIFT) - 1)
158#define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT)
159#define APIC_CLUSTER(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK)
160#define APIC_CLUSTERID(apicid) (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT)
161#define APIC_CPUID(apicid) ((apicid) & XAPIC_DEST_CPUS_MASK)
162#define NUM_APIC_CLUSTERS ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT)
163
164/*
165 * the local APIC register structure, memory mapped. Not terribly well
166 * tested, but we might eventually use this one in the future - the
167 * problem why we cannot use it right now is the P5 APIC, it has an
168 * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
169 */
170#define u32 unsigned int
171
172struct local_apic {
173
174/*000*/ struct { u32 __reserved[4]; } __reserved_01;
175
176/*010*/ struct { u32 __reserved[4]; } __reserved_02;
177
178/*020*/ struct { /* APIC ID Register */
179 u32 __reserved_1 : 24,
180 phys_apic_id : 4,
181 __reserved_2 : 4;
182 u32 __reserved[3];
183 } id;
184
185/*030*/ const
186 struct { /* APIC Version Register */
187 u32 version : 8,
188 __reserved_1 : 8,
189 max_lvt : 8,
190 __reserved_2 : 8;
191 u32 __reserved[3];
192 } version;
193
194/*040*/ struct { u32 __reserved[4]; } __reserved_03;
195
196/*050*/ struct { u32 __reserved[4]; } __reserved_04;
197
198/*060*/ struct { u32 __reserved[4]; } __reserved_05;
199
200/*070*/ struct { u32 __reserved[4]; } __reserved_06;
201
202/*080*/ struct { /* Task Priority Register */
203 u32 priority : 8,
204 __reserved_1 : 24;
205 u32 __reserved_2[3];
206 } tpr;
207
208/*090*/ const
209 struct { /* Arbitration Priority Register */
210 u32 priority : 8,
211 __reserved_1 : 24;
212 u32 __reserved_2[3];
213 } apr;
214
215/*0A0*/ const
216 struct { /* Processor Priority Register */
217 u32 priority : 8,
218 __reserved_1 : 24;
219 u32 __reserved_2[3];
220 } ppr;
221
222/*0B0*/ struct { /* End Of Interrupt Register */
223 u32 eoi;
224 u32 __reserved[3];
225 } eoi;
226
227/*0C0*/ struct { u32 __reserved[4]; } __reserved_07;
228
229/*0D0*/ struct { /* Logical Destination Register */
230 u32 __reserved_1 : 24,
231 logical_dest : 8;
232 u32 __reserved_2[3];
233 } ldr;
234
235/*0E0*/ struct { /* Destination Format Register */
236 u32 __reserved_1 : 28,
237 model : 4;
238 u32 __reserved_2[3];
239 } dfr;
240
241/*0F0*/ struct { /* Spurious Interrupt Vector Register */
242 u32 spurious_vector : 8,
243 apic_enabled : 1,
244 focus_cpu : 1,
245 __reserved_2 : 22;
246 u32 __reserved_3[3];
247 } svr;
248
249/*100*/ struct { /* In Service Register */
250/*170*/ u32 bitfield;
251 u32 __reserved[3];
252 } isr [8];
253
254/*180*/ struct { /* Trigger Mode Register */
255/*1F0*/ u32 bitfield;
256 u32 __reserved[3];
257 } tmr [8];
258
259/*200*/ struct { /* Interrupt Request Register */
260/*270*/ u32 bitfield;
261 u32 __reserved[3];
262 } irr [8];
263
264/*280*/ union { /* Error Status Register */
265 struct {
266 u32 send_cs_error : 1,
267 receive_cs_error : 1,
268 send_accept_error : 1,
269 receive_accept_error : 1,
270 __reserved_1 : 1,
271 send_illegal_vector : 1,
272 receive_illegal_vector : 1,
273 illegal_register_address : 1,
274 __reserved_2 : 24;
275 u32 __reserved_3[3];
276 } error_bits;
277 struct {
278 u32 errors;
279 u32 __reserved_3[3];
280 } all_errors;
281 } esr;
282
283/*290*/ struct { u32 __reserved[4]; } __reserved_08;
284
285/*2A0*/ struct { u32 __reserved[4]; } __reserved_09;
286
287/*2B0*/ struct { u32 __reserved[4]; } __reserved_10;
288
289/*2C0*/ struct { u32 __reserved[4]; } __reserved_11;
290
291/*2D0*/ struct { u32 __reserved[4]; } __reserved_12;
292
293/*2E0*/ struct { u32 __reserved[4]; } __reserved_13;
294
295/*2F0*/ struct { u32 __reserved[4]; } __reserved_14;
296
297/*300*/ struct { /* Interrupt Command Register 1 */
298 u32 vector : 8,
299 delivery_mode : 3,
300 destination_mode : 1,
301 delivery_status : 1,
302 __reserved_1 : 1,
303 level : 1,
304 trigger : 1,
305 __reserved_2 : 2,
306 shorthand : 2,
307 __reserved_3 : 12;
308 u32 __reserved_4[3];
309 } icr1;
310
311/*310*/ struct { /* Interrupt Command Register 2 */
312 union {
313 u32 __reserved_1 : 24,
314 phys_dest : 4,
315 __reserved_2 : 4;
316 u32 __reserved_3 : 24,
317 logical_dest : 8;
318 } dest;
319 u32 __reserved_4[3];
320 } icr2;
321
322/*320*/ struct { /* LVT - Timer */
323 u32 vector : 8,
324 __reserved_1 : 4,
325 delivery_status : 1,
326 __reserved_2 : 3,
327 mask : 1,
328 timer_mode : 1,
329 __reserved_3 : 14;
330 u32 __reserved_4[3];
331 } lvt_timer;
332
333/*330*/ struct { /* LVT - Thermal Sensor */
334 u32 vector : 8,
335 delivery_mode : 3,
336 __reserved_1 : 1,
337 delivery_status : 1,
338 __reserved_2 : 3,
339 mask : 1,
340 __reserved_3 : 15;
341 u32 __reserved_4[3];
342 } lvt_thermal;
343
344/*340*/ struct { /* LVT - Performance Counter */
345 u32 vector : 8,
346 delivery_mode : 3,
347 __reserved_1 : 1,
348 delivery_status : 1,
349 __reserved_2 : 3,
350 mask : 1,
351 __reserved_3 : 15;
352 u32 __reserved_4[3];
353 } lvt_pc;
354
355/*350*/ struct { /* LVT - LINT0 */
356 u32 vector : 8,
357 delivery_mode : 3,
358 __reserved_1 : 1,
359 delivery_status : 1,
360 polarity : 1,
361 remote_irr : 1,
362 trigger : 1,
363 mask : 1,
364 __reserved_2 : 15;
365 u32 __reserved_3[3];
366 } lvt_lint0;
367
368/*360*/ struct { /* LVT - LINT1 */
369 u32 vector : 8,
370 delivery_mode : 3,
371 __reserved_1 : 1,
372 delivery_status : 1,
373 polarity : 1,
374 remote_irr : 1,
375 trigger : 1,
376 mask : 1,
377 __reserved_2 : 15;
378 u32 __reserved_3[3];
379 } lvt_lint1;
380
381/*370*/ struct { /* LVT - Error */
382 u32 vector : 8,
383 __reserved_1 : 4,
384 delivery_status : 1,
385 __reserved_2 : 3,
386 mask : 1,
387 __reserved_3 : 15;
388 u32 __reserved_4[3];
389 } lvt_error;
390
391/*380*/ struct { /* Timer Initial Count Register */
392 u32 initial_count;
393 u32 __reserved_2[3];
394 } timer_icr;
395
396/*390*/ const
397 struct { /* Timer Current Count Register */
398 u32 curr_count;
399 u32 __reserved_2[3];
400 } timer_ccr;
401
402/*3A0*/ struct { u32 __reserved[4]; } __reserved_16;
403
404/*3B0*/ struct { u32 __reserved[4]; } __reserved_17;
405
406/*3C0*/ struct { u32 __reserved[4]; } __reserved_18;
407
408/*3D0*/ struct { u32 __reserved[4]; } __reserved_19;
409
410/*3E0*/ struct { /* Timer Divide Configuration Register */
411 u32 divisor : 4,
412 __reserved_1 : 28;
413 u32 __reserved_2[3];
414 } timer_dcr;
415
416/*3F0*/ struct { u32 __reserved[4]; } __reserved_20;
417
418} __attribute__ ((packed));
419
420#undef u32
421
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422#ifdef CONFIG_X86_32
423 #define BAD_APICID 0xFFu
424#else
425 #define BAD_APICID 0xFFFFu
426#endif
1965aae3 427#endif /* _ASM_X86_APICDEF_H */