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/* SPDX-License-Identifier: GPL-2.0 / #ifndef _ASM_X86_APICDEF_H #define _ASM_X86_APICDEF_H / * Constants for various Intel APICs. (local APIC, IOAPIC, etc.) * * Alan Cox <Alan.Cox@linux.org>, 1995. * Ingo Molnar <mingo@redhat.com>, 1999, 2000 / #define IO_APIC_DEFAULT_PHYS_BASE 0xfec00000 #define APIC_DEFAULT_PHYS_BASE 0xfee00000 / * This is the IO-APIC register space as specified * by Intel docs: / #define IO_APIC_SLOT_SIZE 1024 #define APIC_ID 0x20 #define APIC_LVR 0x30 #define APIC_LVR_MASK 0xFF00FF #define APIC_LVR_DIRECTED_EOI (1 << 24) #define GET_APIC_VERSION(x) ((x) & 0xFFu) #define GET_APIC_MAXLVT(x) (((x) >> 16) & 0xFFu) #ifdef CONFIG_X86_32 # define APIC_INTEGRATED(x) ((x) & 0xF0u) #else # define APIC_INTEGRATED(x) (1) #endif #define APIC_XAPIC(x) ((x) >= 0x14) #define APIC_EXT_SPACE(x) ((x) & 0x80000000) #define APIC_TASKPRI 0x80 #define APIC_TPRI_MASK 0xFFu #define APIC_ARBPRI 0x90 #define APIC_ARBPRI_MASK 0xFFu #define APIC_PROCPRI 0xA0 #define APIC_EOI 0xB0 #define APIC_EOI_ACK 0x0 / Docs say 0 for future compat. / #define APIC_RRR 0xC0 #define APIC_LDR 0xD0 #define APIC_LDR_MASK (0xFFu << 24) #define GET_APIC_LOGICAL_ID(x) (((x) >> 24) & 0xFFu) #define SET_APIC_LOGICAL_ID(x) (((x) << 24)) #define APIC_ALL_CPUS 0xFFu #define APIC_DFR 0xE0 #define APIC_DFR_CLUSTER 0x0FFFFFFFul #define APIC_DFR_FLAT 0xFFFFFFFFul #define APIC_SPIV 0xF0 #define APIC_SPIV_DIRECTED_EOI (1 << 12) #define APIC_SPIV_FOCUS_DISABLED (1 << 9) #define APIC_SPIV_APIC_ENABLED (1 << 8) #define APIC_ISR 0x100 #define APIC_ISR_NR 0x8 / Number of 32 bit ISR registers. / #define APIC_TMR 0x180 #define APIC_IRR 0x200 #define APIC_ESR 0x280 #define APIC_ESR_SEND_CS 0x00001 #define APIC_ESR_RECV_CS 0x00002 #define APIC_ESR_SEND_ACC 0x00004 #define APIC_ESR_RECV_ACC 0x00008 #define APIC_ESR_SENDILL 0x00020 #define APIC_ESR_RECVILL 0x00040 #define APIC_ESR_ILLREGA 0x00080 #define APIC_LVTCMCI 0x2f0 #define APIC_ICR 0x300 #define APIC_DEST_SELF 0x40000 #define APIC_DEST_ALLINC 0x80000 #define APIC_DEST_ALLBUT 0xC0000 #define APIC_ICR_RR_MASK 0x30000 #define APIC_ICR_RR_INVALID 0x00000 #define APIC_ICR_RR_INPROG 0x10000 #define APIC_ICR_RR_VALID 0x20000 #define APIC_INT_LEVELTRIG 0x08000 #define APIC_INT_ASSERT 0x04000 #define APIC_ICR_BUSY 0x01000 #define APIC_DEST_LOGICAL 0x00800 #define APIC_DEST_PHYSICAL 0x00000 #define APIC_DM_FIXED 0x00000 #define APIC_DM_FIXED_MASK 0x00700 #define APIC_DM_LOWEST 0x00100 #define APIC_DM_SMI 0x00200 #define APIC_DM_REMRD 0x00300 #define APIC_DM_NMI 0x00400 #define APIC_DM_INIT 0x00500 #define APIC_DM_STARTUP 0x00600 #define APIC_DM_EXTINT 0x00700 #define APIC_VECTOR_MASK 0x000FF #define APIC_ICR2 0x310 #define GET_APIC_DEST_FIELD(x) (((x) >> 24) & 0xFF) #define SET_APIC_DEST_FIELD(x) ((x) << 24) #define APIC_LVTT 0x320 #define APIC_LVTTHMR 0x330 #define APIC_LVTPC 0x340 #define APIC_LVT0 0x350 #define APIC_LVT_TIMER_BASE_MASK (0x3 << 18) #define GET_APIC_TIMER_BASE(x) (((x) >> 18) & 0x3) #define SET_APIC_TIMER_BASE(x) (((x) << 18)) #define APIC_TIMER_BASE_CLKIN 0x0 #define APIC_TIMER_BASE_TMBASE 0x1 #define APIC_TIMER_BASE_DIV 0x2 #define APIC_LVT_TIMER_ONESHOT (0 << 17) #define APIC_LVT_TIMER_PERIODIC (1 << 17) #define APIC_LVT_TIMER_TSCDEADLINE (2 << 17) #define APIC_LVT_MASKED (1 << 16) #define APIC_LVT_LEVEL_TRIGGER (1 << 15) #define APIC_LVT_REMOTE_IRR (1 << 14) #define APIC_INPUT_POLARITY (1 << 13) #define APIC_SEND_PENDING (1 << 12) #define APIC_MODE_MASK 0x700 #define GET_APIC_DELIVERY_MODE(x) (((x) >> 8) & 0x7) #define SET_APIC_DELIVERY_MODE(x, y) (((x) & ~0x700) \| ((y) << 8)) #define APIC_MODE_FIXED 0x0 #define APIC_MODE_NMI 0x4 #define APIC_MODE_EXTINT 0x7 #define APIC_LVT1 0x360 #define APIC_LVTERR 0x370 #define APIC_TMICT 0x380 #define APIC_TMCCT 0x390 #define APIC_TDCR 0x3E0 #define APIC_SELF_IPI 0x3F0 #define APIC_TDR_DIV_TMBASE (1 << 2) #define APIC_TDR_DIV_1 0xB #define APIC_TDR_DIV_2 0x0 #define APIC_TDR_DIV_4 0x1 #define APIC_TDR_DIV_8 0x2 #define APIC_TDR_DIV_16 0x3 #define APIC_TDR_DIV_32 0x8 #define APIC_TDR_DIV_64 0x9 #define APIC_TDR_DIV_128 0xA #define APIC_EFEAT 0x400 #define APIC_ECTRL 0x410 #define APIC_EILVTn(n) (0x500 + 0x10 n) #define APIC_EILVT_NR_AMD_K8 1 /* # of extended interrupts / #define APIC_EILVT_NR_AMD_10H 4 #define APIC_EILVT_NR_MAX APIC_EILVT_NR_AMD_10H #define APIC_EILVT_LVTOFF(x) (((x) >> 4) & 0xF) #define APIC_EILVT_MSG_FIX 0x0 #define APIC_EILVT_MSG_SMI 0x2 #define APIC_EILVT_MSG_NMI 0x4 #define APIC_EILVT_MSG_EXT 0x7 #define APIC_EILVT_MASKED (1 << 16) #define APIC_BASE (fix_to_virt(FIX_APIC_BASE)) #define APIC_BASE_MSR 0x800 #define XAPIC_ENABLE (1UL << 11) #define X2APIC_ENABLE (1UL << 10) #ifdef CONFIG_X86_32 # define MAX_IO_APICS 64 # define MAX_LOCAL_APIC 256 #else # define MAX_IO_APICS 128 # define MAX_LOCAL_APIC 32768 #endif / * All x86-64 systems are xAPIC compatible. * In the following, "apicid" is a physical APIC ID. / #define XAPIC_DEST_CPUS_SHIFT 4 #define XAPIC_DEST_CPUS_MASK ((1u << XAPIC_DEST_CPUS_SHIFT) - 1) #define XAPIC_DEST_CLUSTER_MASK (XAPIC_DEST_CPUS_MASK << XAPIC_DEST_CPUS_SHIFT) #define APIC_CLUSTER(apicid) ((apicid) & XAPIC_DEST_CLUSTER_MASK) #define APIC_CLUSTERID(apicid) (APIC_CLUSTER(apicid) >> XAPIC_DEST_CPUS_SHIFT) #define APIC_CPUID(apicid) ((apicid) & XAPIC_DEST_CPUS_MASK) #define NUM_APIC_CLUSTERS ((BAD_APICID + 1) >> XAPIC_DEST_CPUS_SHIFT) / * the local APIC register structure, memory mapped. Not terribly well * tested, but we might eventually use this one in the future - the * problem why we cannot use it right now is the P5 APIC, it has an * errata which cannot take 8-bit reads and writes, only 32-bit ones ... / #define u32 unsigned int struct local_apic { /000/ struct { u32 __reserved[4]; } __reserved_01; /010/ struct { u32 __reserved[4]; } __reserved_02; /020/ struct { / APIC ID Register / u32 __reserved_1 : 24, phys_apic_id : 4, __reserved_2 : 4; u32 __reserved[3]; } id; /030/ const struct { / APIC Version Register / u32 version : 8, __reserved_1 : 8, max_lvt : 8, __reserved_2 : 8; u32 __reserved[3]; } version; /040/ struct { u32 __reserved[4]; } __reserved_03; /050/ struct { u32 __reserved[4]; } __reserved_04; /060/ struct { u32 __reserved[4]; } __reserved_05; /070/ struct { u32 __reserved[4]; } __reserved_06; /080/ struct { / Task Priority Register / u32 priority : 8, __reserved_1 : 24; u32 __reserved_2[3]; } tpr; /090/ const struct { / Arbitration Priority Register / u32 priority : 8, __reserved_1 : 24; u32 __reserved_2[3]; } apr; /0A0/ const struct { / Processor Priority Register / u32 priority : 8, __reserved_1 : 24; u32 __reserved_2[3]; } ppr; /0B0/ struct { / End Of Interrupt Register / u32 eoi; u32 __reserved[3]; } eoi; /0C0/ struct { u32 __reserved[4]; } __reserved_07; /0D0/ struct { / Logical Destination Register / u32 __reserved_1 : 24, logical_dest : 8; u32 __reserved_2[3]; } ldr; /0E0/ struct { / Destination Format Register / u32 __reserved_1 : 28, model : 4; u32 __reserved_2[3]; } dfr; /0F0/ struct { / Spurious Interrupt Vector Register / u32 spurious_vector : 8, apic_enabled : 1, focus_cpu : 1, __reserved_2 : 22; u32 __reserved_3[3]; } svr; /100/ struct { / In Service Register / /170/ u32 bitfield; u32 __reserved[3]; } isr [8]; /180/ struct { / Trigger Mode Register / /1F0/ u32 bitfield; u32 __reserved[3]; } tmr [8]; /200/ struct { / Interrupt Request Register / /270/ u32 bitfield; u32 __reserved[3]; } irr [8]; /280/ union { / Error Status Register / struct { u32 send_cs_error : 1, receive_cs_error : 1, send_accept_error : 1, receive_accept_error : 1, __reserved_1 : 1, send_illegal_vector : 1, receive_illegal_vector : 1, illegal_register_address : 1, __reserved_2 : 24; u32 __reserved_3[3]; } error_bits; struct { u32 errors; u32 __reserved_3[3]; } all_errors; } esr; /290/ struct { u32 __reserved[4]; } __reserved_08; /2A0/ struct { u32 __reserved[4]; } __reserved_09; /2B0/ struct { u32 __reserved[4]; } __reserved_10; /2C0/ struct { u32 __reserved[4]; } __reserved_11; /2D0/ struct { u32 __reserved[4]; } __reserved_12; /2E0/ struct { u32 __reserved[4]; } __reserved_13; /2F0/ struct { u32 __reserved[4]; } __reserved_14; /300/ struct { / Interrupt Command Register 1 / u32 vector : 8, delivery_mode : 3, destination_mode : 1, delivery_status : 1, __reserved_1 : 1, level : 1, trigger : 1, __reserved_2 : 2, shorthand : 2, __reserved_3 : 12; u32 __reserved_4[3]; } icr1; /310/ struct { / Interrupt Command Register 2 / union { u32 __reserved_1 : 24, phys_dest : 4, __reserved_2 : 4; u32 __reserved_3 : 24, logical_dest : 8; } dest; u32 __reserved_4[3]; } icr2; /320/ struct { / LVT - Timer / u32 vector : 8, __reserved_1 : 4, delivery_status : 1, __reserved_2 : 3, mask : 1, timer_mode : 1, __reserved_3 : 14; u32 __reserved_4[3]; } lvt_timer; /330/ struct { / LVT - Thermal Sensor / u32 vector : 8, delivery_mode : 3, __reserved_1 : 1, delivery_status : 1, __reserved_2 : 3, mask : 1, __reserved_3 : 15; u32 __reserved_4[3]; } lvt_thermal; /340/ struct { / LVT - Performance Counter / u32 vector : 8, delivery_mode : 3, __reserved_1 : 1, delivery_status : 1, __reserved_2 : 3, mask : 1, __reserved_3 : 15; u32 __reserved_4[3]; } lvt_pc; /350/ struct { / LVT - LINT0 / u32 vector : 8, delivery_mode : 3, __reserved_1 : 1, delivery_status : 1, polarity : 1, remote_irr : 1, trigger : 1, mask : 1, __reserved_2 : 15; u32 __reserved_3[3]; } lvt_lint0; /360/ struct { / LVT - LINT1 / u32 vector : 8, delivery_mode : 3, __reserved_1 : 1, delivery_status : 1, polarity : 1, remote_irr : 1, trigger : 1, mask : 1, __reserved_2 : 15; u32 __reserved_3[3]; } lvt_lint1; /370/ struct { / LVT - Error / u32 vector : 8, __reserved_1 : 4, delivery_status : 1, __reserved_2 : 3, mask : 1, __reserved_3 : 15; u32 __reserved_4[3]; } lvt_error; /380/ struct { / Timer Initial Count Register / u32 initial_count; u32 __reserved_2[3]; } timer_icr; /390/ const struct { / Timer Current Count Register / u32 curr_count; u32 __reserved_2[3]; } timer_ccr; /3A0/ struct { u32 __reserved[4]; } __reserved_16; /3B0/ struct { u32 __reserved[4]; } __reserved_17; /3C0/ struct { u32 __reserved[4]; } __reserved_18; /3D0/ struct { u32 __reserved[4]; } __reserved_19; /3E0/ struct { / Timer Divide Configuration Register / u32 divisor : 4, __reserved_1 : 28; u32 __reserved_2[3]; } timer_dcr; /3F0/ struct { u32 __reserved[4]; } __reserved_20; } __attribute__ ((packed)); #undef u32 #ifdef CONFIG_X86_32 #define BAD_APICID 0xFFu #else #define BAD_APICID 0xFFFFu #endif enum ioapic_irq_destination_types { dest_Fixed = 0, dest_LowestPrio = 1, dest_SMI = 2, dest__reserved_1 = 3, dest_NMI = 4, dest_INIT = 5, dest__reserved_2 = 6, dest_ExtINT = 7 }; #endif / _ASM_X86_APICDEF_H */

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