1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef _ASM_X86_APICDEF_H 3 #define _ASM_X86_APICDEF_H 4 5 #include <linux/bits.h> 6 7 /* 8 * Constants for various Intel APICs. (local APIC, IOAPIC, etc.) 9 * 10 * Alan Cox <Alan.Cox@linux.org>, 1995. 11 * Ingo Molnar <mingo@redhat.com>, 1999, 2000 12 */ 13 14 #define IO_APIC_DEFAULT_PHYS_BASE 0xfec00000 15 #define APIC_DEFAULT_PHYS_BASE 0xfee00000 16 17 /* 18 * This is the IO-APIC register space as specified 19 * by Intel docs: 20 */ 21 #define IO_APIC_SLOT_SIZE 1024 22 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 29 30 #define APIC_ID 0x20 31 32 #define APIC_LVR 0x30 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) 37 #ifdef CONFIG_X86_32 38 # define APIC_INTEGRATED(x) ((x) & 0xF0u) 39 #else 40 # define APIC_INTEGRATED(x) (1) 41 #endif 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 49 #define APIC_EOI 0xB0 50 #define APIC_EOI_ACK 0x0 /* Docs say 0 for future compat. */ 51 #define APIC_RRR 0xC0 52 #define APIC_LDR 0xD0 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 57 #define APIC_DFR 0xE0 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_SEOI 0x420 139 #define APIC_IER 0x480 140 #define APIC_EILVTn(n) (0x500 + 0x10 * n) 141 #define APIC_EILVT_NR_AMD_K8 1 /* # of extended interrupts */ 142 #define APIC_EILVT_NR_AMD_10H 4 143 #define APIC_EILVT_NR_MAX APIC_EILVT_NR_AMD_10H 144 #define APIC_EILVT_LVTOFF(x) (((x) >> 4) & 0xF) 145 #define APIC_EILVT_MSG_FIX 0x0 146 #define APIC_EILVT_MSG_SMI 0x2 147 #define APIC_EILVT_MSG_NMI 0x4 148 #define APIC_EILVT_MSG_EXT 0x7 149 #define APIC_EILVT_MASKED (1 << 16) 150 151 #define APIC_BASE (fix_to_virt(FIX_APIC_BASE)) 152 #define APIC_BASE_MSR 0x800 153 #define APIC_X2APIC_ID_MSR 0x802 154 #define XAPIC_ENABLE BIT(11) 155 #define X2APIC_ENABLE BIT(10) 156 157 #ifdef CONFIG_X86_32 158 # define MAX_IO_APICS 64 159 # define MAX_LOCAL_APIC 256 160 #else 161 # define MAX_IO_APICS 128 162 # define MAX_LOCAL_APIC 32768 163 #endif 164 165 /* 166 * All x86-64 systems are xAPIC compatible. 167 * In the following, "apicid" is a physical APIC ID. 168 */ 169 #define XAPIC_DEST_CPUS_SHIFT 4 170 #define XAPIC_DEST_CPUS_MASK ((1u << XAPIC_DEST_CPUS_SHIFT) - 1) 171 #define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT) 172 #define APIC_CLUSTER(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK) 173 #define APIC_CLUSTERID(apicid) (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT) 174 #define APIC_CPUID(apicid) ((apicid) & XAPIC_DEST_CPUS_MASK) 175 #define NUM_APIC_CLUSTERS ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT) 176 177 #ifdef CONFIG_X86_32 178 #define BAD_APICID 0xFFu 179 #else 180 #define BAD_APICID 0xFFFFu 181 #endif 182 183 #endif /* _ASM_X86_APICDEF_H */ 184