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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __ASM_APICDEF_H
2#define __ASM_APICDEF_H
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
11#define APIC_DEFAULT_PHYS_BASE 0xfee00000
12
13#define APIC_ID 0x20
14#define APIC_ID_MASK (0xFFu<<24)
15#define GET_APIC_ID(x) (((x)>>24)&0xFFu)
Vivek Goyalb9d1e4b2006-01-11 22:45:09 +010016#define SET_APIC_ID(x) (((x)<<24))
Linus Torvalds1da177e2005-04-16 15:20:36 -070017#define APIC_LVR 0x30
18#define APIC_LVR_MASK 0xFF00FF
19#define GET_APIC_VERSION(x) ((x)&0xFFu)
20#define GET_APIC_MAXLVT(x) (((x)>>16)&0xFFu)
21#define APIC_INTEGRATED(x) ((x)&0xF0u)
22#define APIC_TASKPRI 0x80
23#define APIC_TPRI_MASK 0xFFu
24#define APIC_ARBPRI 0x90
25#define APIC_ARBPRI_MASK 0xFFu
26#define APIC_PROCPRI 0xA0
27#define APIC_EOI 0xB0
28#define APIC_EIO_ACK 0x0 /* Write this to the EOI register */
29#define APIC_RRR 0xC0
30#define APIC_LDR 0xD0
31#define APIC_LDR_MASK (0xFFu<<24)
32#define GET_APIC_LOGICAL_ID(x) (((x)>>24)&0xFFu)
33#define SET_APIC_LOGICAL_ID(x) (((x)<<24))
34#define APIC_ALL_CPUS 0xFFu
35#define APIC_DFR 0xE0
36#define APIC_DFR_CLUSTER 0x0FFFFFFFul
37#define APIC_DFR_FLAT 0xFFFFFFFFul
38#define APIC_SPIV 0xF0
39#define APIC_SPIV_FOCUS_DISABLED (1<<9)
40#define APIC_SPIV_APIC_ENABLED (1<<8)
41#define APIC_ISR 0x100
Vivek Goyalda7ed9f2006-03-25 16:31:16 +010042#define APIC_ISR_NR 0x8 /* Number of 32 bit ISR registers. */
Linus Torvalds1da177e2005-04-16 15:20:36 -070043#define APIC_TMR 0x180
44#define APIC_IRR 0x200
45#define APIC_ESR 0x280
46#define APIC_ESR_SEND_CS 0x00001
47#define APIC_ESR_RECV_CS 0x00002
48#define APIC_ESR_SEND_ACC 0x00004
49#define APIC_ESR_RECV_ACC 0x00008
50#define APIC_ESR_SENDILL 0x00020
51#define APIC_ESR_RECVILL 0x00040
52#define APIC_ESR_ILLREGA 0x00080
53#define APIC_ICR 0x300
54#define APIC_DEST_SELF 0x40000
55#define APIC_DEST_ALLINC 0x80000
56#define APIC_DEST_ALLBUT 0xC0000
57#define APIC_ICR_RR_MASK 0x30000
58#define APIC_ICR_RR_INVALID 0x00000
59#define APIC_ICR_RR_INPROG 0x10000
60#define APIC_ICR_RR_VALID 0x20000
61#define APIC_INT_LEVELTRIG 0x08000
62#define APIC_INT_ASSERT 0x04000
63#define APIC_ICR_BUSY 0x01000
64#define APIC_DEST_LOGICAL 0x00800
65#define APIC_DEST_PHYSICAL 0x00000
66#define APIC_DM_FIXED 0x00000
67#define APIC_DM_LOWEST 0x00100
68#define APIC_DM_SMI 0x00200
69#define APIC_DM_REMRD 0x00300
70#define APIC_DM_NMI 0x00400
71#define APIC_DM_INIT 0x00500
72#define APIC_DM_STARTUP 0x00600
73#define APIC_DM_EXTINT 0x00700
74#define APIC_VECTOR_MASK 0x000FF
75#define APIC_ICR2 0x310
76#define GET_APIC_DEST_FIELD(x) (((x)>>24)&0xFF)
77#define SET_APIC_DEST_FIELD(x) ((x)<<24)
78#define APIC_LVTT 0x320
79#define APIC_LVTTHMR 0x330
80#define APIC_LVTPC 0x340
81#define APIC_LVT0 0x350
82#define APIC_LVT_TIMER_BASE_MASK (0x3<<18)
83#define GET_APIC_TIMER_BASE(x) (((x)>>18)&0x3)
84#define SET_APIC_TIMER_BASE(x) (((x)<<18))
85#define APIC_TIMER_BASE_CLKIN 0x0
86#define APIC_TIMER_BASE_TMBASE 0x1
87#define APIC_TIMER_BASE_DIV 0x2
88#define APIC_LVT_TIMER_PERIODIC (1<<17)
89#define APIC_LVT_MASKED (1<<16)
90#define APIC_LVT_LEVEL_TRIGGER (1<<15)
91#define APIC_LVT_REMOTE_IRR (1<<14)
92#define APIC_INPUT_POLARITY (1<<13)
93#define APIC_SEND_PENDING (1<<12)
94#define APIC_MODE_MASK 0x700
95#define GET_APIC_DELIVERY_MODE(x) (((x)>>8)&0x7)
96#define SET_APIC_DELIVERY_MODE(x,y) (((x)&~0x700)|((y)<<8))
97#define APIC_MODE_FIXED 0x0
98#define APIC_MODE_NMI 0x4
Eric W. Biederman8f43d032005-06-25 14:57:40 -070099#define APIC_MODE_EXTINT 0x7
Linus Torvalds1da177e2005-04-16 15:20:36 -0700100#define APIC_LVT1 0x360
101#define APIC_LVTERR 0x370
102#define APIC_TMICT 0x380
103#define APIC_TMCCT 0x390
104#define APIC_TDCR 0x3E0
105#define APIC_TDR_DIV_TMBASE (1<<2)
106#define APIC_TDR_DIV_1 0xB
107#define APIC_TDR_DIV_2 0x0
108#define APIC_TDR_DIV_4 0x1
109#define APIC_TDR_DIV_8 0x2
110#define APIC_TDR_DIV_16 0x3
111#define APIC_TDR_DIV_32 0x8
112#define APIC_TDR_DIV_64 0x9
113#define APIC_TDR_DIV_128 0xA
114
115#define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
116
Andi Kleen1f5ee8d2005-05-16 21:53:22 -0700117#define MAX_IO_APICS 128
Andi Kleen3f098c22005-09-12 18:49:24 +0200118#define MAX_LOCAL_APIC 256
Linus Torvalds1da177e2005-04-16 15:20:36 -0700119
120/*
121 * All x86-64 systems are xAPIC compatible.
122 * In the following, "apicid" is a physical APIC ID.
123 */
124#define XAPIC_DEST_CPUS_SHIFT 4
125#define XAPIC_DEST_CPUS_MASK ((1u << XAPIC_DEST_CPUS_SHIFT) - 1)
126#define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT)
127#define APIC_CLUSTER(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK)
128#define APIC_CLUSTERID(apicid) (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT)
129#define APIC_CPUID(apicid) ((apicid) & XAPIC_DEST_CPUS_MASK)
130#define NUM_APIC_CLUSTERS ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT)
131
132/*
133 * the local APIC register structure, memory mapped. Not terribly well
134 * tested, but we might eventually use this one in the future - the
135 * problem why we cannot use it right now is the P5 APIC, it has an
136 * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
137 */
138#define u32 unsigned int
139
Linus Torvalds1da177e2005-04-16 15:20:36 -0700140struct local_apic {
141
142/*000*/ struct { u32 __reserved[4]; } __reserved_01;
143
144/*010*/ struct { u32 __reserved[4]; } __reserved_02;
145
146/*020*/ struct { /* APIC ID Register */
147 u32 __reserved_1 : 24,
148 phys_apic_id : 4,
149 __reserved_2 : 4;
150 u32 __reserved[3];
151 } id;
152
153/*030*/ const
154 struct { /* APIC Version Register */
155 u32 version : 8,
156 __reserved_1 : 8,
157 max_lvt : 8,
158 __reserved_2 : 8;
159 u32 __reserved[3];
160 } version;
161
162/*040*/ struct { u32 __reserved[4]; } __reserved_03;
163
164/*050*/ struct { u32 __reserved[4]; } __reserved_04;
165
166/*060*/ struct { u32 __reserved[4]; } __reserved_05;
167
168/*070*/ struct { u32 __reserved[4]; } __reserved_06;
169
170/*080*/ struct { /* Task Priority Register */
171 u32 priority : 8,
172 __reserved_1 : 24;
173 u32 __reserved_2[3];
174 } tpr;
175
176/*090*/ const
177 struct { /* Arbitration Priority Register */
178 u32 priority : 8,
179 __reserved_1 : 24;
180 u32 __reserved_2[3];
181 } apr;
182
183/*0A0*/ const
184 struct { /* Processor Priority Register */
185 u32 priority : 8,
186 __reserved_1 : 24;
187 u32 __reserved_2[3];
188 } ppr;
189
190/*0B0*/ struct { /* End Of Interrupt Register */
191 u32 eoi;
192 u32 __reserved[3];
193 } eoi;
194
195/*0C0*/ struct { u32 __reserved[4]; } __reserved_07;
196
197/*0D0*/ struct { /* Logical Destination Register */
198 u32 __reserved_1 : 24,
199 logical_dest : 8;
200 u32 __reserved_2[3];
201 } ldr;
202
203/*0E0*/ struct { /* Destination Format Register */
204 u32 __reserved_1 : 28,
205 model : 4;
206 u32 __reserved_2[3];
207 } dfr;
208
209/*0F0*/ struct { /* Spurious Interrupt Vector Register */
210 u32 spurious_vector : 8,
211 apic_enabled : 1,
212 focus_cpu : 1,
213 __reserved_2 : 22;
214 u32 __reserved_3[3];
215 } svr;
216
217/*100*/ struct { /* In Service Register */
218/*170*/ u32 bitfield;
219 u32 __reserved[3];
220 } isr [8];
221
222/*180*/ struct { /* Trigger Mode Register */
223/*1F0*/ u32 bitfield;
224 u32 __reserved[3];
225 } tmr [8];
226
227/*200*/ struct { /* Interrupt Request Register */
228/*270*/ u32 bitfield;
229 u32 __reserved[3];
230 } irr [8];
231
232/*280*/ union { /* Error Status Register */
233 struct {
234 u32 send_cs_error : 1,
235 receive_cs_error : 1,
236 send_accept_error : 1,
237 receive_accept_error : 1,
238 __reserved_1 : 1,
239 send_illegal_vector : 1,
240 receive_illegal_vector : 1,
241 illegal_register_address : 1,
242 __reserved_2 : 24;
243 u32 __reserved_3[3];
244 } error_bits;
245 struct {
246 u32 errors;
247 u32 __reserved_3[3];
248 } all_errors;
249 } esr;
250
251/*290*/ struct { u32 __reserved[4]; } __reserved_08;
252
253/*2A0*/ struct { u32 __reserved[4]; } __reserved_09;
254
255/*2B0*/ struct { u32 __reserved[4]; } __reserved_10;
256
257/*2C0*/ struct { u32 __reserved[4]; } __reserved_11;
258
259/*2D0*/ struct { u32 __reserved[4]; } __reserved_12;
260
261/*2E0*/ struct { u32 __reserved[4]; } __reserved_13;
262
263/*2F0*/ struct { u32 __reserved[4]; } __reserved_14;
264
265/*300*/ struct { /* Interrupt Command Register 1 */
266 u32 vector : 8,
267 delivery_mode : 3,
268 destination_mode : 1,
269 delivery_status : 1,
270 __reserved_1 : 1,
271 level : 1,
272 trigger : 1,
273 __reserved_2 : 2,
274 shorthand : 2,
275 __reserved_3 : 12;
276 u32 __reserved_4[3];
277 } icr1;
278
279/*310*/ struct { /* Interrupt Command Register 2 */
280 union {
281 u32 __reserved_1 : 24,
282 phys_dest : 4,
283 __reserved_2 : 4;
284 u32 __reserved_3 : 24,
285 logical_dest : 8;
286 } dest;
287 u32 __reserved_4[3];
288 } icr2;
289
290/*320*/ struct { /* LVT - Timer */
291 u32 vector : 8,
292 __reserved_1 : 4,
293 delivery_status : 1,
294 __reserved_2 : 3,
295 mask : 1,
296 timer_mode : 1,
297 __reserved_3 : 14;
298 u32 __reserved_4[3];
299 } lvt_timer;
300
301/*330*/ struct { /* LVT - Thermal Sensor */
302 u32 vector : 8,
303 delivery_mode : 3,
304 __reserved_1 : 1,
305 delivery_status : 1,
306 __reserved_2 : 3,
307 mask : 1,
308 __reserved_3 : 15;
309 u32 __reserved_4[3];
310 } lvt_thermal;
311
312/*340*/ struct { /* LVT - Performance Counter */
313 u32 vector : 8,
314 delivery_mode : 3,
315 __reserved_1 : 1,
316 delivery_status : 1,
317 __reserved_2 : 3,
318 mask : 1,
319 __reserved_3 : 15;
320 u32 __reserved_4[3];
321 } lvt_pc;
322
323/*350*/ struct { /* LVT - LINT0 */
324 u32 vector : 8,
325 delivery_mode : 3,
326 __reserved_1 : 1,
327 delivery_status : 1,
328 polarity : 1,
329 remote_irr : 1,
330 trigger : 1,
331 mask : 1,
332 __reserved_2 : 15;
333 u32 __reserved_3[3];
334 } lvt_lint0;
335
336/*360*/ struct { /* LVT - LINT1 */
337 u32 vector : 8,
338 delivery_mode : 3,
339 __reserved_1 : 1,
340 delivery_status : 1,
341 polarity : 1,
342 remote_irr : 1,
343 trigger : 1,
344 mask : 1,
345 __reserved_2 : 15;
346 u32 __reserved_3[3];
347 } lvt_lint1;
348
349/*370*/ struct { /* LVT - Error */
350 u32 vector : 8,
351 __reserved_1 : 4,
352 delivery_status : 1,
353 __reserved_2 : 3,
354 mask : 1,
355 __reserved_3 : 15;
356 u32 __reserved_4[3];
357 } lvt_error;
358
359/*380*/ struct { /* Timer Initial Count Register */
360 u32 initial_count;
361 u32 __reserved_2[3];
362 } timer_icr;
363
364/*390*/ const
365 struct { /* Timer Current Count Register */
366 u32 curr_count;
367 u32 __reserved_2[3];
368 } timer_ccr;
369
370/*3A0*/ struct { u32 __reserved[4]; } __reserved_16;
371
372/*3B0*/ struct { u32 __reserved[4]; } __reserved_17;
373
374/*3C0*/ struct { u32 __reserved[4]; } __reserved_18;
375
376/*3D0*/ struct { u32 __reserved[4]; } __reserved_19;
377
378/*3E0*/ struct { /* Timer Divide Configuration Register */
379 u32 divisor : 4,
380 __reserved_1 : 28;
381 u32 __reserved_2[3];
382 } timer_dcr;
383
384/*3F0*/ struct { u32 __reserved[4]; } __reserved_20;
385
386} __attribute__ ((packed));
387
388#undef u32
389
390#define BAD_APICID 0xFFu
391
392#endif