1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _ASM_X86_APICDEF_H
3 #define _ASM_X86_APICDEF_H
5 #include <linux/bits.h>
8 * Constants for various Intel APICs. (local APIC, IOAPIC, etc.)
14 #define IO_APIC_DEFAULT_PHYS_BASE 0xfec00000
15 #define APIC_DEFAULT_PHYS_BASE 0xfee00000
18 * This is the IO-APIC register space as specified
21 #define IO_APIC_SLOT_SIZE 1024
23 #define APIC_DELIVERY_MODE_FIXED 0
24 #define APIC_DELIVERY_MODE_LOWESTPRIO 1
25 #define APIC_DELIVERY_MODE_SMI 2
26 #define APIC_DELIVERY_MODE_NMI 4
27 #define APIC_DELIVERY_MODE_INIT 5
28 #define APIC_DELIVERY_MODE_EXTINT 7
33 #define APIC_LVR_MASK 0xFF00FF
34 #define APIC_LVR_DIRECTED_EOI (1 << 24)
35 #define GET_APIC_VERSION(x) ((x) & 0xFFu)
36 #define GET_APIC_MAXLVT(x) (((x) >> 16) & 0xFFu)
38 # define APIC_INTEGRATED(x) ((x) & 0xF0u)
40 # define APIC_INTEGRATED(x) (1)
42 #define APIC_XAPIC(x) ((x) >= 0x14)
43 #define APIC_EXT_SPACE(x) ((x) & 0x80000000)
44 #define APIC_TASKPRI 0x80
45 #define APIC_TPRI_MASK 0xFFu
46 #define APIC_ARBPRI 0x90
47 #define APIC_ARBPRI_MASK 0xFFu
48 #define APIC_PROCPRI 0xA0
50 #define APIC_EOI_ACK 0x0 /* Docs say 0 for future compat. */
53 #define APIC_LDR_MASK (0xFFu << 24)
54 #define GET_APIC_LOGICAL_ID(x) (((x) >> 24) & 0xFFu)
55 #define SET_APIC_LOGICAL_ID(x) (((x) << 24))
56 #define APIC_ALL_CPUS 0xFFu
58 #define APIC_DFR_CLUSTER 0x0FFFFFFFul
59 #define APIC_DFR_FLAT 0xFFFFFFFFul
60 #define APIC_SPIV 0xF0
61 #define APIC_SPIV_DIRECTED_EOI (1 << 12)
62 #define APIC_SPIV_FOCUS_DISABLED (1 << 9)
63 #define APIC_SPIV_APIC_ENABLED (1 << 8)
64 #define APIC_ISR 0x100
65 #define APIC_ISR_NR 0x8 /* Number of 32 bit ISR registers. */
66 #define APIC_TMR 0x180
67 #define APIC_IRR 0x200
68 #define APIC_ESR 0x280
69 #define APIC_ESR_SEND_CS 0x00001
70 #define APIC_ESR_RECV_CS 0x00002
71 #define APIC_ESR_SEND_ACC 0x00004
72 #define APIC_ESR_RECV_ACC 0x00008
73 #define APIC_ESR_SENDILL 0x00020
74 #define APIC_ESR_RECVILL 0x00040
75 #define APIC_ESR_ILLREGA 0x00080
76 #define APIC_LVTCMCI 0x2f0
77 #define APIC_ICR 0x300
78 #define APIC_DEST_SELF 0x40000
79 #define APIC_DEST_ALLINC 0x80000
80 #define APIC_DEST_ALLBUT 0xC0000
81 #define APIC_ICR_RR_MASK 0x30000
82 #define APIC_ICR_RR_INVALID 0x00000
83 #define APIC_ICR_RR_INPROG 0x10000
84 #define APIC_ICR_RR_VALID 0x20000
85 #define APIC_INT_LEVELTRIG 0x08000
86 #define APIC_INT_ASSERT 0x04000
87 #define APIC_ICR_BUSY 0x01000
88 #define APIC_DEST_LOGICAL 0x00800
89 #define APIC_DEST_PHYSICAL 0x00000
90 #define APIC_DM_FIXED 0x00000
91 #define APIC_DM_FIXED_MASK 0x00700
92 #define APIC_DM_LOWEST 0x00100
93 #define APIC_DM_SMI 0x00200
94 #define APIC_DM_REMRD 0x00300
95 #define APIC_DM_NMI 0x00400
96 #define APIC_DM_INIT 0x00500
97 #define APIC_DM_STARTUP 0x00600
98 #define APIC_DM_EXTINT 0x00700
99 #define APIC_VECTOR_MASK 0x000FF
100 #define APIC_ICR2 0x310
101 #define GET_XAPIC_DEST_FIELD(x) (((x) >> 24) & 0xFF)
102 #define SET_XAPIC_DEST_FIELD(x) ((x) << 24)
103 #define APIC_LVTT 0x320
104 #define APIC_LVTTHMR 0x330
105 #define APIC_LVTPC 0x340
106 #define APIC_LVT0 0x350
107 #define APIC_LVT_TIMER_ONESHOT (0 << 17)
108 #define APIC_LVT_TIMER_PERIODIC (1 << 17)
109 #define APIC_LVT_TIMER_TSCDEADLINE (2 << 17)
110 #define APIC_LVT_MASKED (1 << 16)
111 #define APIC_LVT_LEVEL_TRIGGER (1 << 15)
112 #define APIC_LVT_REMOTE_IRR (1 << 14)
113 #define APIC_INPUT_POLARITY (1 << 13)
114 #define APIC_SEND_PENDING (1 << 12)
115 #define APIC_MODE_MASK 0x700
116 #define GET_APIC_DELIVERY_MODE(x) (((x) >> 8) & 0x7)
117 #define SET_APIC_DELIVERY_MODE(x, y) (((x) & ~0x700) | ((y) << 8))
118 #define APIC_MODE_FIXED 0x0
119 #define APIC_MODE_NMI 0x4
120 #define APIC_MODE_EXTINT 0x7
121 #define APIC_LVT1 0x360
122 #define APIC_LVTERR 0x370
123 #define APIC_TMICT 0x380
124 #define APIC_TMCCT 0x390
125 #define APIC_TDCR 0x3E0
126 #define APIC_SELF_IPI 0x3F0
127 #define APIC_TDR_DIV_TMBASE (1 << 2)
128 #define APIC_TDR_DIV_1 0xB
129 #define APIC_TDR_DIV_2 0x0
130 #define APIC_TDR_DIV_4 0x1
131 #define APIC_TDR_DIV_8 0x2
132 #define APIC_TDR_DIV_16 0x3
133 #define APIC_TDR_DIV_32 0x8
134 #define APIC_TDR_DIV_64 0x9
135 #define APIC_TDR_DIV_128 0xA
136 #define APIC_EFEAT 0x400
137 #define APIC_ECTRL 0x410
138 #define APIC_EILVTn(n) (0x500 + 0x10 * n)
139 #define APIC_EILVT_NR_AMD_K8 1 /* # of extended interrupts */
140 #define APIC_EILVT_NR_AMD_10H 4
141 #define APIC_EILVT_NR_MAX APIC_EILVT_NR_AMD_10H
142 #define APIC_EILVT_LVTOFF(x) (((x) >> 4) & 0xF)
143 #define APIC_EILVT_MSG_FIX 0x0
144 #define APIC_EILVT_MSG_SMI 0x2
145 #define APIC_EILVT_MSG_NMI 0x4
146 #define APIC_EILVT_MSG_EXT 0x7
147 #define APIC_EILVT_MASKED (1 << 16)
149 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE))
150 #define APIC_BASE_MSR 0x800
151 #define APIC_X2APIC_ID_MSR 0x802
152 #define XAPIC_ENABLE BIT(11)
153 #define X2APIC_ENABLE BIT(10)
156 # define MAX_IO_APICS 64
157 # define MAX_LOCAL_APIC 256
159 # define MAX_IO_APICS 128
160 # define MAX_LOCAL_APIC 32768
164 * All x86-64 systems are xAPIC compatible.
165 * In the following, "apicid" is a physical APIC ID.
167 #define XAPIC_DEST_CPUS_SHIFT 4
168 #define XAPIC_DEST_CPUS_MASK ((1u << XAPIC_DEST_CPUS_SHIFT) - 1)
169 #define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT)
170 #define APIC_CLUSTER(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK)
171 #define APIC_CLUSTERID(apicid) (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT)
172 #define APIC_CPUID(apicid) ((apicid) & XAPIC_DEST_CPUS_MASK)
173 #define NUM_APIC_CLUSTERS ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT)
176 #define BAD_APICID 0xFFu
178 #define BAD_APICID 0xFFFFu
181 #endif /* _ASM_X86_APICDEF_H */