1 #ifndef _ASM_X86_APICDEF_H
2 #define _ASM_X86_APICDEF_H
5 * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
7 * Alan Cox <Alan.Cox@linux.org>, 1995.
8 * Ingo Molnar <mingo@redhat.com>, 1999, 2000
11 #define IO_APIC_DEFAULT_PHYS_BASE 0xfec00000
12 #define APIC_DEFAULT_PHYS_BASE 0xfee00000
15 * This is the IO-APIC register space as specified
18 #define IO_APIC_SLOT_SIZE 1024
25 #define APIC_LVR_MASK 0xFF00FF
26 #define APIC_LVR_DIRECTED_EOI (1 << 24)
27 #define GET_APIC_VERSION(x) ((x) & 0xFFu)
28 #define GET_APIC_MAXLVT(x) (((x) >> 16) & 0xFFu)
30 # define APIC_INTEGRATED(x) ((x) & 0xF0u)
32 # define APIC_INTEGRATED(x) (1)
34 #define APIC_XAPIC(x) ((x) >= 0x14)
35 #define APIC_EXT_SPACE(x) ((x) & 0x80000000)
36 #define APIC_TASKPRI 0x80
37 #define APIC_TPRI_MASK 0xFFu
38 #define APIC_ARBPRI 0x90
39 #define APIC_ARBPRI_MASK 0xFFu
40 #define APIC_PROCPRI 0xA0
42 #define APIC_EIO_ACK 0x0
45 #define APIC_LDR_MASK (0xFFu << 24)
46 #define GET_APIC_LOGICAL_ID(x) (((x) >> 24) & 0xFFu)
47 #define SET_APIC_LOGICAL_ID(x) (((x) << 24))
48 #define APIC_ALL_CPUS 0xFFu
50 #define APIC_DFR_CLUSTER 0x0FFFFFFFul
51 #define APIC_DFR_FLAT 0xFFFFFFFFul
52 #define APIC_SPIV 0xF0
53 #define APIC_SPIV_DIRECTED_EOI (1 << 12)
54 #define APIC_SPIV_FOCUS_DISABLED (1 << 9)
55 #define APIC_SPIV_APIC_ENABLED (1 << 8)
56 #define APIC_ISR 0x100
57 #define APIC_ISR_NR 0x8 /* Number of 32 bit ISR registers. */
58 #define APIC_TMR 0x180
59 #define APIC_IRR 0x200
60 #define APIC_ESR 0x280
61 #define APIC_ESR_SEND_CS 0x00001
62 #define APIC_ESR_RECV_CS 0x00002
63 #define APIC_ESR_SEND_ACC 0x00004
64 #define APIC_ESR_RECV_ACC 0x00008
65 #define APIC_ESR_SENDILL 0x00020
66 #define APIC_ESR_RECVILL 0x00040
67 #define APIC_ESR_ILLREGA 0x00080
68 #define APIC_LVTCMCI 0x2f0
69 #define APIC_ICR 0x300
70 #define APIC_DEST_SELF 0x40000
71 #define APIC_DEST_ALLINC 0x80000
72 #define APIC_DEST_ALLBUT 0xC0000
73 #define APIC_ICR_RR_MASK 0x30000
74 #define APIC_ICR_RR_INVALID 0x00000
75 #define APIC_ICR_RR_INPROG 0x10000
76 #define APIC_ICR_RR_VALID 0x20000
77 #define APIC_INT_LEVELTRIG 0x08000
78 #define APIC_INT_ASSERT 0x04000
79 #define APIC_ICR_BUSY 0x01000
80 #define APIC_DEST_LOGICAL 0x00800
81 #define APIC_DEST_PHYSICAL 0x00000
82 #define APIC_DM_FIXED 0x00000
83 #define APIC_DM_FIXED_MASK 0x00700
84 #define APIC_DM_LOWEST 0x00100
85 #define APIC_DM_SMI 0x00200
86 #define APIC_DM_REMRD 0x00300
87 #define APIC_DM_NMI 0x00400
88 #define APIC_DM_INIT 0x00500
89 #define APIC_DM_STARTUP 0x00600
90 #define APIC_DM_EXTINT 0x00700
91 #define APIC_VECTOR_MASK 0x000FF
92 #define APIC_ICR2 0x310
93 #define GET_APIC_DEST_FIELD(x) (((x) >> 24) & 0xFF)
94 #define SET_APIC_DEST_FIELD(x) ((x) << 24)
95 #define APIC_LVTT 0x320
96 #define APIC_LVTTHMR 0x330
97 #define APIC_LVTPC 0x340
98 #define APIC_LVT0 0x350
99 #define APIC_LVT_TIMER_BASE_MASK (0x3 << 18)
100 #define GET_APIC_TIMER_BASE(x) (((x) >> 18) & 0x3)
101 #define SET_APIC_TIMER_BASE(x) (((x) << 18))
102 #define APIC_TIMER_BASE_CLKIN 0x0
103 #define APIC_TIMER_BASE_TMBASE 0x1
104 #define APIC_TIMER_BASE_DIV 0x2
105 #define APIC_LVT_TIMER_ONESHOT (0 << 17)
106 #define APIC_LVT_TIMER_PERIODIC (1 << 17)
107 #define APIC_LVT_TIMER_TSCDEADLINE (2 << 17)
108 #define APIC_LVT_MASKED (1 << 16)
109 #define APIC_LVT_LEVEL_TRIGGER (1 << 15)
110 #define APIC_LVT_REMOTE_IRR (1 << 14)
111 #define APIC_INPUT_POLARITY (1 << 13)
112 #define APIC_SEND_PENDING (1 << 12)
113 #define APIC_MODE_MASK 0x700
114 #define GET_APIC_DELIVERY_MODE(x) (((x) >> 8) & 0x7)
115 #define SET_APIC_DELIVERY_MODE(x, y) (((x) & ~0x700) | ((y) << 8))
116 #define APIC_MODE_FIXED 0x0
117 #define APIC_MODE_NMI 0x4
118 #define APIC_MODE_EXTINT 0x7
119 #define APIC_LVT1 0x360
120 #define APIC_LVTERR 0x370
121 #define APIC_TMICT 0x380
122 #define APIC_TMCCT 0x390
123 #define APIC_TDCR 0x3E0
124 #define APIC_SELF_IPI 0x3F0
125 #define APIC_TDR_DIV_TMBASE (1 << 2)
126 #define APIC_TDR_DIV_1 0xB
127 #define APIC_TDR_DIV_2 0x0
128 #define APIC_TDR_DIV_4 0x1
129 #define APIC_TDR_DIV_8 0x2
130 #define APIC_TDR_DIV_16 0x3
131 #define APIC_TDR_DIV_32 0x8
132 #define APIC_TDR_DIV_64 0x9
133 #define APIC_TDR_DIV_128 0xA
134 #define APIC_EFEAT 0x400
135 #define APIC_ECTRL 0x410
136 #define APIC_EILVTn(n) (0x500 + 0x10 * n)
137 #define APIC_EILVT_NR_AMD_K8 1 /* # of extended interrupts */
138 #define APIC_EILVT_NR_AMD_10H 4
139 #define APIC_EILVT_NR_MAX APIC_EILVT_NR_AMD_10H
140 #define APIC_EILVT_LVTOFF(x) (((x) >> 4) & 0xF)
141 #define APIC_EILVT_MSG_FIX 0x0
142 #define APIC_EILVT_MSG_SMI 0x2
143 #define APIC_EILVT_MSG_NMI 0x4
144 #define APIC_EILVT_MSG_EXT 0x7
145 #define APIC_EILVT_MASKED (1 << 16)
147 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
148 #define APIC_BASE_MSR 0x800
149 #define XAPIC_ENABLE (1UL << 11)
150 #define X2APIC_ENABLE (1UL << 10)
152 #else /* CONFIG_XEN */
155 APIC_DEST_ALLBUT = 0x1,
160 #endif /* CONFIG_XEN */
163 # define MAX_IO_APICS 64
164 # define MAX_LOCAL_APIC 256
166 # define MAX_IO_APICS 128
167 # define MAX_LOCAL_APIC 32768
173 * All x86-64 systems are xAPIC compatible.
174 * In the following, "apicid" is a physical APIC ID.
176 #define XAPIC_DEST_CPUS_SHIFT 4
177 #define XAPIC_DEST_CPUS_MASK ((1u << XAPIC_DEST_CPUS_SHIFT) - 1)
178 #define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT)
179 #define APIC_CLUSTER(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK)
180 #define APIC_CLUSTERID(apicid) (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT)
181 #define APIC_CPUID(apicid) ((apicid) & XAPIC_DEST_CPUS_MASK)
182 #define NUM_APIC_CLUSTERS ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT)
185 * the local APIC register structure, memory mapped. Not terribly well
186 * tested, but we might eventually use this one in the future - the
187 * problem why we cannot use it right now is the P5 APIC, it has an
188 * errata which cannot take 8-bit reads and writes, only 32-bit ones ...
190 #define u32 unsigned int
194 /*000*/ struct { u32 __reserved[4]; } __reserved_01;
196 /*010*/ struct { u32 __reserved[4]; } __reserved_02;
198 /*020*/ struct { /* APIC ID Register */
199 u32 __reserved_1 : 24,
206 struct { /* APIC Version Register */
214 /*040*/ struct { u32 __reserved[4]; } __reserved_03;
216 /*050*/ struct { u32 __reserved[4]; } __reserved_04;
218 /*060*/ struct { u32 __reserved[4]; } __reserved_05;
220 /*070*/ struct { u32 __reserved[4]; } __reserved_06;
222 /*080*/ struct { /* Task Priority Register */
229 struct { /* Arbitration Priority Register */
236 struct { /* Processor Priority Register */
242 /*0B0*/ struct { /* End Of Interrupt Register */
247 /*0C0*/ struct { u32 __reserved[4]; } __reserved_07;
249 /*0D0*/ struct { /* Logical Destination Register */
250 u32 __reserved_1 : 24,
255 /*0E0*/ struct { /* Destination Format Register */
256 u32 __reserved_1 : 28,
261 /*0F0*/ struct { /* Spurious Interrupt Vector Register */
262 u32 spurious_vector : 8,
269 /*100*/ struct { /* In Service Register */
270 /*170*/ u32 bitfield;
274 /*180*/ struct { /* Trigger Mode Register */
275 /*1F0*/ u32 bitfield;
279 /*200*/ struct { /* Interrupt Request Register */
280 /*270*/ u32 bitfield;
284 /*280*/ union { /* Error Status Register */
286 u32 send_cs_error : 1,
287 receive_cs_error : 1,
288 send_accept_error : 1,
289 receive_accept_error : 1,
291 send_illegal_vector : 1,
292 receive_illegal_vector : 1,
293 illegal_register_address : 1,
303 /*290*/ struct { u32 __reserved[4]; } __reserved_08;
305 /*2A0*/ struct { u32 __reserved[4]; } __reserved_09;
307 /*2B0*/ struct { u32 __reserved[4]; } __reserved_10;
309 /*2C0*/ struct { u32 __reserved[4]; } __reserved_11;
311 /*2D0*/ struct { u32 __reserved[4]; } __reserved_12;
313 /*2E0*/ struct { u32 __reserved[4]; } __reserved_13;
315 /*2F0*/ struct { u32 __reserved[4]; } __reserved_14;
317 /*300*/ struct { /* Interrupt Command Register 1 */
320 destination_mode : 1,
331 /*310*/ struct { /* Interrupt Command Register 2 */
333 u32 __reserved_1 : 24,
336 u32 __reserved_3 : 24,
342 /*320*/ struct { /* LVT - Timer */
353 /*330*/ struct { /* LVT - Thermal Sensor */
364 /*340*/ struct { /* LVT - Performance Counter */
375 /*350*/ struct { /* LVT - LINT0 */
388 /*360*/ struct { /* LVT - LINT1 */
401 /*370*/ struct { /* LVT - Error */
411 /*380*/ struct { /* Timer Initial Count Register */
417 struct { /* Timer Current Count Register */
422 /*3A0*/ struct { u32 __reserved[4]; } __reserved_16;
424 /*3B0*/ struct { u32 __reserved[4]; } __reserved_17;
426 /*3C0*/ struct { u32 __reserved[4]; } __reserved_18;
428 /*3D0*/ struct { u32 __reserved[4]; } __reserved_19;
430 /*3E0*/ struct { /* Timer Divide Configuration Register */
436 /*3F0*/ struct { u32 __reserved[4]; } __reserved_20;
438 } __attribute__ ((packed));
442 #endif /* CONFIG_XEN */
445 #define BAD_APICID 0xFFu
447 #define BAD_APICID 0xFFFFu
450 enum ioapic_irq_destination_types {
454 dest__reserved_1 = 3,
457 dest__reserved_2 = 6,
461 #endif /* _ASM_X86_APICDEF_H */