apicdef.h 11 KB

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  1. #ifndef _ASM_X86_APICDEF_H
  2. #define _ASM_X86_APICDEF_H
  3. /*
  4. * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
  5. *
  6. * Alan Cox <Alan.Cox@linux.org>, 1995.
  7. * Ingo Molnar <mingo@redhat.com>, 1999, 2000
  8. */
  9. #define IO_APIC_DEFAULT_PHYS_BASE 0xfec00000
  10. #define APIC_DEFAULT_PHYS_BASE 0xfee00000
  11. /*
  12. * This is the IO-APIC register space as specified
  13. * by Intel docs:
  14. */
  15. #define IO_APIC_SLOT_SIZE 1024
  16. #define APIC_ID 0x20
  17. #define APIC_LVR 0x30
  18. #define APIC_LVR_MASK 0xFF00FF
  19. #define APIC_LVR_DIRECTED_EOI (1 << 24)
  20. #define GET_APIC_VERSION(x) ((x) & 0xFFu)
  21. #define GET_APIC_MAXLVT(x) (((x) >> 16) & 0xFFu)
  22. #ifdef CONFIG_X86_32
  23. # define APIC_INTEGRATED(x) ((x) & 0xF0u)
  24. #else
  25. # define APIC_INTEGRATED(x) (1)
  26. #endif
  27. #define APIC_XAPIC(x) ((x) >= 0x14)
  28. #define APIC_EXT_SPACE(x) ((x) & 0x80000000)
  29. #define APIC_TASKPRI 0x80
  30. #define APIC_TPRI_MASK 0xFFu
  31. #define APIC_ARBPRI 0x90
  32. #define APIC_ARBPRI_MASK 0xFFu
  33. #define APIC_PROCPRI 0xA0
  34. #define APIC_EOI 0xB0
  35. #define APIC_EOI_ACK 0x0 /* Docs say 0 for future compat. */
  36. #define APIC_RRR 0xC0
  37. #define APIC_LDR 0xD0
  38. #define APIC_LDR_MASK (0xFFu << 24)
  39. #define GET_APIC_LOGICAL_ID(x) (((x) >> 24) & 0xFFu)
  40. #define SET_APIC_LOGICAL_ID(x) (((x) << 24))
  41. #define APIC_ALL_CPUS 0xFFu
  42. #define APIC_DFR 0xE0
  43. #define APIC_DFR_CLUSTER 0x0FFFFFFFul
  44. #define APIC_DFR_FLAT 0xFFFFFFFFul
  45. #define APIC_SPIV 0xF0
  46. #define APIC_SPIV_DIRECTED_EOI (1 << 12)
  47. #define APIC_SPIV_FOCUS_DISABLED (1 << 9)
  48. #define APIC_SPIV_APIC_ENABLED (1 << 8)
  49. #define APIC_ISR 0x100
  50. #define APIC_ISR_NR 0x8 /* Number of 32 bit ISR registers. */
  51. #define APIC_TMR 0x180
  52. #define APIC_IRR 0x200
  53. #define APIC_ESR 0x280
  54. #define APIC_ESR_SEND_CS 0x00001
  55. #define APIC_ESR_RECV_CS 0x00002
  56. #define APIC_ESR_SEND_ACC 0x00004
  57. #define APIC_ESR_RECV_ACC 0x00008
  58. #define APIC_ESR_SENDILL 0x00020
  59. #define APIC_ESR_RECVILL 0x00040
  60. #define APIC_ESR_ILLREGA 0x00080
  61. #define APIC_LVTCMCI 0x2f0
  62. #define APIC_ICR 0x300
  63. #define APIC_DEST_SELF 0x40000
  64. #define APIC_DEST_ALLINC 0x80000
  65. #define APIC_DEST_ALLBUT 0xC0000
  66. #define APIC_ICR_RR_MASK 0x30000
  67. #define APIC_ICR_RR_INVALID 0x00000
  68. #define APIC_ICR_RR_INPROG 0x10000
  69. #define APIC_ICR_RR_VALID 0x20000
  70. #define APIC_INT_LEVELTRIG 0x08000
  71. #define APIC_INT_ASSERT 0x04000
  72. #define APIC_ICR_BUSY 0x01000
  73. #define APIC_DEST_LOGICAL 0x00800
  74. #define APIC_DEST_PHYSICAL 0x00000
  75. #define APIC_DM_FIXED 0x00000
  76. #define APIC_DM_FIXED_MASK 0x00700
  77. #define APIC_DM_LOWEST 0x00100
  78. #define APIC_DM_SMI 0x00200
  79. #define APIC_DM_REMRD 0x00300
  80. #define APIC_DM_NMI 0x00400
  81. #define APIC_DM_INIT 0x00500
  82. #define APIC_DM_STARTUP 0x00600
  83. #define APIC_DM_EXTINT 0x00700
  84. #define APIC_VECTOR_MASK 0x000FF
  85. #define APIC_ICR2 0x310
  86. #define GET_APIC_DEST_FIELD(x) (((x) >> 24) & 0xFF)
  87. #define SET_APIC_DEST_FIELD(x) ((x) << 24)
  88. #define APIC_LVTT 0x320
  89. #define APIC_LVTTHMR 0x330
  90. #define APIC_LVTPC 0x340
  91. #define APIC_LVT0 0x350
  92. #define APIC_LVT_TIMER_BASE_MASK (0x3 << 18)
  93. #define GET_APIC_TIMER_BASE(x) (((x) >> 18) & 0x3)
  94. #define SET_APIC_TIMER_BASE(x) (((x) << 18))
  95. #define APIC_TIMER_BASE_CLKIN 0x0
  96. #define APIC_TIMER_BASE_TMBASE 0x1
  97. #define APIC_TIMER_BASE_DIV 0x2
  98. #define APIC_LVT_TIMER_ONESHOT (0 << 17)
  99. #define APIC_LVT_TIMER_PERIODIC (1 << 17)
  100. #define APIC_LVT_TIMER_TSCDEADLINE (2 << 17)
  101. #define APIC_LVT_MASKED (1 << 16)
  102. #define APIC_LVT_LEVEL_TRIGGER (1 << 15)
  103. #define APIC_LVT_REMOTE_IRR (1 << 14)
  104. #define APIC_INPUT_POLARITY (1 << 13)
  105. #define APIC_SEND_PENDING (1 << 12)
  106. #define APIC_MODE_MASK 0x700
  107. #define GET_APIC_DELIVERY_MODE(x) (((x) >> 8) & 0x7)
  108. #define SET_APIC_DELIVERY_MODE(x, y) (((x) & ~0x700) | ((y) << 8))
  109. #define APIC_MODE_FIXED 0x0
  110. #define APIC_MODE_NMI 0x4
  111. #define APIC_MODE_EXTINT 0x7
  112. #define APIC_LVT1 0x360
  113. #define APIC_LVTERR 0x370
  114. #define APIC_TMICT 0x380
  115. #define APIC_TMCCT 0x390
  116. #define APIC_TDCR 0x3E0
  117. #define APIC_SELF_IPI 0x3F0
  118. #define APIC_TDR_DIV_TMBASE (1 << 2)
  119. #define APIC_TDR_DIV_1 0xB
  120. #define APIC_TDR_DIV_2 0x0
  121. #define APIC_TDR_DIV_4 0x1
  122. #define APIC_TDR_DIV_8 0x2
  123. #define APIC_TDR_DIV_16 0x3
  124. #define APIC_TDR_DIV_32 0x8
  125. #define APIC_TDR_DIV_64 0x9
  126. #define APIC_TDR_DIV_128 0xA
  127. #define APIC_EFEAT 0x400
  128. #define APIC_ECTRL 0x410
  129. #define APIC_EILVTn(n) (0x500 + 0x10 * n)
  130. #define APIC_EILVT_NR_AMD_K8 1 /* # of extended interrupts */
  131. #define APIC_EILVT_NR_AMD_10H 4
  132. #define APIC_EILVT_NR_MAX APIC_EILVT_NR_AMD_10H
  133. #define APIC_EILVT_LVTOFF(x) (((x) >> 4) & 0xF)
  134. #define APIC_EILVT_MSG_FIX 0x0
  135. #define APIC_EILVT_MSG_SMI 0x2
  136. #define APIC_EILVT_MSG_NMI 0x4
  137. #define APIC_EILVT_MSG_EXT 0x7
  138. #define APIC_EILVT_MASKED (1 << 16)
  139. #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
  140. #define APIC_BASE_MSR 0x800
  141. #define XAPIC_ENABLE (1UL << 11)
  142. #define X2APIC_ENABLE (1UL << 10)
  143. #ifdef CONFIG_X86_32
  144. # define MAX_IO_APICS 64
  145. # define MAX_LOCAL_APIC 256
  146. #else
  147. # define MAX_IO_APICS 128
  148. # define MAX_LOCAL_APIC 32768
  149. #endif
  150. /*
  151. * All x86-64 systems are xAPIC compatible.
  152. * In the following, "apicid" is a physical APIC ID.
  153. */
  154. #define XAPIC_DEST_CPUS_SHIFT 4
  155. #define XAPIC_DEST_CPUS_MASK ((1u << XAPIC_DEST_CPUS_SHIFT) - 1)
  156. #define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT)
  157. #define APIC_CLUSTER(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK)
  158. #define APIC_CLUSTERID(apicid) (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT)
  159. #define APIC_CPUID(apicid) ((apicid) & XAPIC_DEST_CPUS_MASK)
  160. #define NUM_APIC_CLUSTERS ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT)
  161. /*
  162. * the local APIC register structure, memory mapped. Not terribly well
  163. * tested, but we might eventually use this one in the future - the
  164. * problem why we cannot use it right now is the P5 APIC, it has an
  165. * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
  166. */
  167. #define u32 unsigned int
  168. struct local_apic {
  169. /*000*/ struct { u32 __reserved[4]; } __reserved_01;
  170. /*010*/ struct { u32 __reserved[4]; } __reserved_02;
  171. /*020*/ struct { /* APIC ID Register */
  172. u32 __reserved_1 : 24,
  173. phys_apic_id : 4,
  174. __reserved_2 : 4;
  175. u32 __reserved[3];
  176. } id;
  177. /*030*/ const
  178. struct { /* APIC Version Register */
  179. u32 version : 8,
  180. __reserved_1 : 8,
  181. max_lvt : 8,
  182. __reserved_2 : 8;
  183. u32 __reserved[3];
  184. } version;
  185. /*040*/ struct { u32 __reserved[4]; } __reserved_03;
  186. /*050*/ struct { u32 __reserved[4]; } __reserved_04;
  187. /*060*/ struct { u32 __reserved[4]; } __reserved_05;
  188. /*070*/ struct { u32 __reserved[4]; } __reserved_06;
  189. /*080*/ struct { /* Task Priority Register */
  190. u32 priority : 8,
  191. __reserved_1 : 24;
  192. u32 __reserved_2[3];
  193. } tpr;
  194. /*090*/ const
  195. struct { /* Arbitration Priority Register */
  196. u32 priority : 8,
  197. __reserved_1 : 24;
  198. u32 __reserved_2[3];
  199. } apr;
  200. /*0A0*/ const
  201. struct { /* Processor Priority Register */
  202. u32 priority : 8,
  203. __reserved_1 : 24;
  204. u32 __reserved_2[3];
  205. } ppr;
  206. /*0B0*/ struct { /* End Of Interrupt Register */
  207. u32 eoi;
  208. u32 __reserved[3];
  209. } eoi;
  210. /*0C0*/ struct { u32 __reserved[4]; } __reserved_07;
  211. /*0D0*/ struct { /* Logical Destination Register */
  212. u32 __reserved_1 : 24,
  213. logical_dest : 8;
  214. u32 __reserved_2[3];
  215. } ldr;
  216. /*0E0*/ struct { /* Destination Format Register */
  217. u32 __reserved_1 : 28,
  218. model : 4;
  219. u32 __reserved_2[3];
  220. } dfr;
  221. /*0F0*/ struct { /* Spurious Interrupt Vector Register */
  222. u32 spurious_vector : 8,
  223. apic_enabled : 1,
  224. focus_cpu : 1,
  225. __reserved_2 : 22;
  226. u32 __reserved_3[3];
  227. } svr;
  228. /*100*/ struct { /* In Service Register */
  229. /*170*/ u32 bitfield;
  230. u32 __reserved[3];
  231. } isr [8];
  232. /*180*/ struct { /* Trigger Mode Register */
  233. /*1F0*/ u32 bitfield;
  234. u32 __reserved[3];
  235. } tmr [8];
  236. /*200*/ struct { /* Interrupt Request Register */
  237. /*270*/ u32 bitfield;
  238. u32 __reserved[3];
  239. } irr [8];
  240. /*280*/ union { /* Error Status Register */
  241. struct {
  242. u32 send_cs_error : 1,
  243. receive_cs_error : 1,
  244. send_accept_error : 1,
  245. receive_accept_error : 1,
  246. __reserved_1 : 1,
  247. send_illegal_vector : 1,
  248. receive_illegal_vector : 1,
  249. illegal_register_address : 1,
  250. __reserved_2 : 24;
  251. u32 __reserved_3[3];
  252. } error_bits;
  253. struct {
  254. u32 errors;
  255. u32 __reserved_3[3];
  256. } all_errors;
  257. } esr;
  258. /*290*/ struct { u32 __reserved[4]; } __reserved_08;
  259. /*2A0*/ struct { u32 __reserved[4]; } __reserved_09;
  260. /*2B0*/ struct { u32 __reserved[4]; } __reserved_10;
  261. /*2C0*/ struct { u32 __reserved[4]; } __reserved_11;
  262. /*2D0*/ struct { u32 __reserved[4]; } __reserved_12;
  263. /*2E0*/ struct { u32 __reserved[4]; } __reserved_13;
  264. /*2F0*/ struct { u32 __reserved[4]; } __reserved_14;
  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. /*310*/ struct { /* Interrupt Command Register 2 */
  279. union {
  280. u32 __reserved_1 : 24,
  281. phys_dest : 4,
  282. __reserved_2 : 4;
  283. u32 __reserved_3 : 24,
  284. logical_dest : 8;
  285. } dest;
  286. u32 __reserved_4[3];
  287. } icr2;
  288. /*320*/ struct { /* LVT - Timer */
  289. u32 vector : 8,
  290. __reserved_1 : 4,
  291. delivery_status : 1,
  292. __reserved_2 : 3,
  293. mask : 1,
  294. timer_mode : 1,
  295. __reserved_3 : 14;
  296. u32 __reserved_4[3];
  297. } lvt_timer;
  298. /*330*/ struct { /* LVT - Thermal Sensor */
  299. u32 vector : 8,
  300. delivery_mode : 3,
  301. __reserved_1 : 1,
  302. delivery_status : 1,
  303. __reserved_2 : 3,
  304. mask : 1,
  305. __reserved_3 : 15;
  306. u32 __reserved_4[3];
  307. } lvt_thermal;
  308. /*340*/ struct { /* LVT - Performance Counter */
  309. u32 vector : 8,
  310. delivery_mode : 3,
  311. __reserved_1 : 1,
  312. delivery_status : 1,
  313. __reserved_2 : 3,
  314. mask : 1,
  315. __reserved_3 : 15;
  316. u32 __reserved_4[3];
  317. } lvt_pc;
  318. /*350*/ struct { /* LVT - LINT0 */
  319. u32 vector : 8,
  320. delivery_mode : 3,
  321. __reserved_1 : 1,
  322. delivery_status : 1,
  323. polarity : 1,
  324. remote_irr : 1,
  325. trigger : 1,
  326. mask : 1,
  327. __reserved_2 : 15;
  328. u32 __reserved_3[3];
  329. } lvt_lint0;
  330. /*360*/ struct { /* LVT - LINT1 */
  331. u32 vector : 8,
  332. delivery_mode : 3,
  333. __reserved_1 : 1,
  334. delivery_status : 1,
  335. polarity : 1,
  336. remote_irr : 1,
  337. trigger : 1,
  338. mask : 1,
  339. __reserved_2 : 15;
  340. u32 __reserved_3[3];
  341. } lvt_lint1;
  342. /*370*/ struct { /* LVT - Error */
  343. u32 vector : 8,
  344. __reserved_1 : 4,
  345. delivery_status : 1,
  346. __reserved_2 : 3,
  347. mask : 1,
  348. __reserved_3 : 15;
  349. u32 __reserved_4[3];
  350. } lvt_error;
  351. /*380*/ struct { /* Timer Initial Count Register */
  352. u32 initial_count;
  353. u32 __reserved_2[3];
  354. } timer_icr;
  355. /*390*/ const
  356. struct { /* Timer Current Count Register */
  357. u32 curr_count;
  358. u32 __reserved_2[3];
  359. } timer_ccr;
  360. /*3A0*/ struct { u32 __reserved[4]; } __reserved_16;
  361. /*3B0*/ struct { u32 __reserved[4]; } __reserved_17;
  362. /*3C0*/ struct { u32 __reserved[4]; } __reserved_18;
  363. /*3D0*/ struct { u32 __reserved[4]; } __reserved_19;
  364. /*3E0*/ struct { /* Timer Divide Configuration Register */
  365. u32 divisor : 4,
  366. __reserved_1 : 28;
  367. u32 __reserved_2[3];
  368. } timer_dcr;
  369. /*3F0*/ struct { u32 __reserved[4]; } __reserved_20;
  370. } __attribute__ ((packed));
  371. #undef u32
  372. #ifdef CONFIG_X86_32
  373. #define BAD_APICID 0xFFu
  374. #else
  375. #define BAD_APICID 0xFFFFu
  376. #endif
  377. enum ioapic_irq_destination_types {
  378. dest_Fixed = 0,
  379. dest_LowestPrio = 1,
  380. dest_SMI = 2,
  381. dest__reserved_1 = 3,
  382. dest_NMI = 4,
  383. dest_INIT = 5,
  384. dest__reserved_2 = 6,
  385. dest_ExtINT = 7
  386. };
  387. #endif /* _ASM_X86_APICDEF_H */