/*- * Copyright (c) 1996, by Peter Wemm and Steve Passe * Copyright (c) 2017 Intel Corporation * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. The name of the developer may NOT be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $FreeBSD$ */ #ifndef APICREG_H #define APICREG_H #include /* * Local && I/O APIC definitions. */ /****************************************************************************** * global defines, etc. */ /****************************************************************************** * LOCAL APIC structure */ struct lapic_reg { uint32_t v; uint32_t pad[3]; }; struct lapic_regs { /*OFFSET(Hex)*/ struct lapic_reg rsv0[2]; struct lapic_reg id; /*020*/ struct lapic_reg version; /*030*/ struct lapic_reg rsv1[4]; struct lapic_reg tpr; /*080*/ struct lapic_reg apr; /*090*/ struct lapic_reg ppr; /*0A0*/ struct lapic_reg eoi; /*0B0*/ struct lapic_reg rrd; /*0C0*/ struct lapic_reg ldr; /*0D0*/ struct lapic_reg dfr; /*0EO*/ struct lapic_reg svr; /*0F0*/ struct lapic_reg isr[8]; /*100 -- 170*/ struct lapic_reg tmr[8]; /*180 -- 1F0*/ struct lapic_reg irr[8]; /*200 -- 270*/ struct lapic_reg esr; /*280*/ struct lapic_reg rsv2[6]; struct lapic_reg lvt_cmci; /*2F0*/ struct lapic_reg icr_lo; /*300*/ struct lapic_reg icr_hi; /*310*/ struct lapic_reg lvt[6]; /*320 -- 370*/ struct lapic_reg icr_timer;/*380*/ struct lapic_reg ccr_timer;/*390*/ struct lapic_reg rsv3[4]; struct lapic_reg dcr_timer;/*3E0*/ struct lapic_reg self_ipi; /*3F0*/ /*roundup sizeof current struct to 4KB*/ struct lapic_reg rsv5[192]; /*400 -- FF0*/ } __aligned(PAGE_SIZE); enum LAPIC_REGISTERS { LAPIC_ID = 0x2, LAPIC_VERSION = 0x3, LAPIC_TPR = 0x8, LAPIC_APR = 0x9, LAPIC_PPR = 0xa, LAPIC_EOI = 0xb, LAPIC_LDR = 0xd, LAPIC_DFR = 0xe, /* Not in x2APIC */ LAPIC_SVR = 0xf, LAPIC_ISR0 = 0x10, LAPIC_ISR1 = 0x11, LAPIC_ISR2 = 0x12, LAPIC_ISR3 = 0x13, LAPIC_ISR4 = 0x14, LAPIC_ISR5 = 0x15, LAPIC_ISR6 = 0x16, LAPIC_ISR7 = 0x17, LAPIC_TMR0 = 0x18, LAPIC_TMR1 = 0x19, LAPIC_TMR2 = 0x1a, LAPIC_TMR3 = 0x1b, LAPIC_TMR4 = 0x1c, LAPIC_TMR5 = 0x1d, LAPIC_TMR6 = 0x1e, LAPIC_TMR7 = 0x1f, LAPIC_IRR0 = 0x20, LAPIC_IRR1 = 0x21, LAPIC_IRR2 = 0x22, LAPIC_IRR3 = 0x23, LAPIC_IRR4 = 0x24, LAPIC_IRR5 = 0x25, LAPIC_IRR6 = 0x26, LAPIC_IRR7 = 0x27, LAPIC_ESR = 0x28, LAPIC_LVT_CMCI = 0x2f, LAPIC_ICR_LO = 0x30, LAPIC_ICR_HI = 0x31, /* Not in x2APIC */ LAPIC_LVT_TIMER = 0x32, LAPIC_LVT_THERMAL = 0x33, LAPIC_LVT_PCINT = 0x34, LAPIC_LVT_LINT0 = 0x35, LAPIC_LVT_LINT1 = 0x36, LAPIC_LVT_ERROR = 0x37, LAPIC_ICR_TIMER = 0x38, LAPIC_CCR_TIMER = 0x39, LAPIC_DCR_TIMER = 0x3e, LAPIC_SELF_IPI = 0x3f, /* Only in x2APIC */ LAPIC_EXT_FEATURES = 0x40, /* AMD */ LAPIC_EXT_CTRL = 0x41, /* AMD */ LAPIC_EXT_SEOI = 0x42, /* AMD */ LAPIC_EXT_IER0 = 0x48, /* AMD */ LAPIC_EXT_IER1 = 0x49, /* AMD */ LAPIC_EXT_IER2 = 0x4a, /* AMD */ LAPIC_EXT_IER3 = 0x4b, /* AMD */ LAPIC_EXT_IER4 = 0x4c, /* AMD */ LAPIC_EXT_IER5 = 0x4d, /* AMD */ LAPIC_EXT_IER6 = 0x4e, /* AMD */ LAPIC_EXT_IER7 = 0x4f, /* AMD */ LAPIC_EXT_LVT0 = 0x50, /* AMD */ LAPIC_EXT_LVT1 = 0x51, /* AMD */ LAPIC_EXT_LVT2 = 0x52, /* AMD */ LAPIC_EXT_LVT3 = 0x53, /* AMD */ }; #define LAPIC_MEM_MUL 0x10 /* * Although some registers are available on AMD processors only, * it's not a big waste to reserve them on all platforms. * However, we need to watch out for this space being assigned for * non-APIC purposes in the future processor models. */ #define LAPIC_MEM_REGION ((LAPIC_EXT_LVT3 + 1) * LAPIC_MEM_MUL) /****************************************************************************** * I/O APIC structure */ struct ioapic { uint32_t ioregsel; uint32_t rsv0[3]; uint32_t iowin; uint32_t rsv1[3]; }; /* IOAPIC Redirection Table (RTE) Entry structure */ union ioapic_rte { uint64_t full; struct { uint32_t lo_32; uint32_t hi_32; } u; }; /****************************************************************************** * various code 'logical' values */ /****************************************************************************** * LOCAL APIC defines */ /* default physical locations of LOCAL (CPU) APICs */ #define DEFAULT_APIC_BASE 0xfee00000UL /* constants relating to APIC ID registers */ #define APIC_ID_MASK 0xff000000U #define APIC_ID_SHIFT 24U #define APIC_ID_CLUSTER 0xf0U #define APIC_ID_CLUSTER_ID 0x0fU #define APIC_MAX_CLUSTER 0xeU #define APIC_MAX_INTRACLUSTER_ID 3 #define APIC_ID_CLUSTER_SHIFT 4 /* fields in VER */ #define APIC_VER_VERSION 0x000000ffU #define APIC_VER_MAXLVT 0x00ff0000U #define MAXLVTSHIFT 16U #define APIC_VER_EOI_SUPPRESSION 0x01000000U #define APIC_VER_AMD_EXT_SPACE 0x80000000U /* fields in LDR */ #define APIC_LDR_RESERVED 0x00ffffffU /* fields in DFR */ #define APIC_DFR_RESERVED 0x0fffffffU #define APIC_DFR_MODEL_MASK 0xf0000000U #define APIC_DFR_MODEL_FLAT 0xf0000000U #define APIC_DFR_MODEL_CLUSTER 0x00000000U /* fields in SVR */ #define APIC_SVR_VECTOR 0x000000ffU #define APIC_SVR_VEC_PROG 0x000000f0U #define APIC_SVR_VEC_FIX 0x0000000fU #define APIC_SVR_ENABLE 0x00000100U #define APIC_SVR_SWDIS 0x00000000U #define APIC_SVR_SWEN 0x00000100U #define APIC_SVR_FOCUS 0x00000200U #define APIC_SVR_FEN 0x00000000U #define APIC_SVR_FDIS 0x00000200U #define APIC_SVR_EOI_SUPPRESSION 0x00001000U /* fields in TPR */ #define APIC_TPR_PRIO 0x000000ffU #define APIC_TPR_INT 0x000000f0U #define APIC_TPR_SUB 0x0000000fU /* fields in ESR */ #define APIC_ESR_SEND_CS_ERROR 0x00000001U #define APIC_ESR_RECEIVE_CS_ERROR 0x00000002U #define APIC_ESR_SEND_ACCEPT 0x00000004U #define APIC_ESR_RECEIVE_ACCEPT 0x00000008U #define APIC_ESR_SEND_ILLEGAL_VECTOR 0x00000020U #define APIC_ESR_RECEIVE_ILLEGAL_VECTOR 0x00000040U #define APIC_ESR_ILLEGAL_REGISTER 0x00000080U /* fields in ICR_LOW */ #define APIC_VECTOR_MASK 0x000000ffU #define APIC_DELMODE_MASK 0x00000700U #define APIC_DELMODE_FIXED 0x00000000U #define APIC_DELMODE_LOWPRIO 0x00000100U #define APIC_DELMODE_SMI 0x00000200U #define APIC_DELMODE_RR 0x00000300U #define APIC_DELMODE_NMI 0x00000400U #define APIC_DELMODE_INIT 0x00000500U #define APIC_DELMODE_STARTUP 0x00000600U #define APIC_DELMODE_RESV 0x00000700U #define APIC_DESTMODE_MASK 0x00000800U #define APIC_DESTMODE_PHY 0x00000000U #define APIC_DESTMODE_LOG 0x00000800U #define APIC_DELSTAT_MASK 0x00001000U #define APIC_DELSTAT_IDLE 0x00000000U #define APIC_DELSTAT_PEND 0x00001000U #define APIC_RESV1_MASK 0x00002000U #define APIC_LEVEL_MASK 0x00004000U #define APIC_LEVEL_DEASSERT 0x00000000U #define APIC_LEVEL_ASSERT 0x00004000U #define APIC_TRIGMOD_MASK 0x00008000U #define APIC_TRIGMOD_EDGE 0x00000000U #define APIC_TRIGMOD_LEVEL 0x00008000U #define APIC_RRSTAT_MASK 0x00030000U #define APIC_RRSTAT_INVALID 0x00000000U #define APIC_RRSTAT_INPROG 0x00010000U #define APIC_RRSTAT_VALID 0x00020000U #define APIC_RRSTAT_RESV 0x00030000U #define APIC_DEST_MASK 0x000c0000U #define APIC_DEST_DESTFLD 0x00000000U #define APIC_DEST_SELF 0x00040000U #define APIC_DEST_ALLISELF 0x00080000U #define APIC_DEST_ALLESELF 0x000c0000U #define APIC_RESV2_MASK 0xfff00000U #define APIC_ICRLO_RESV_MASK (APIC_RESV1_MASK | APIC_RESV2_MASK) /* fields in LVT1/2 */ #define APIC_LVT_VECTOR 0x000000ffU #define APIC_LVT_DM 0x00000700U #define APIC_LVT_DM_FIXED 0x00000000U #define APIC_LVT_DM_SMI 0x00000200U #define APIC_LVT_DM_NMI 0x00000400U #define APIC_LVT_DM_INIT 0x00000500U #define APIC_LVT_DM_EXTINT 0x00000700U #define APIC_LVT_DS 0x00001000U #define APIC_LVT_IIPP 0x00002000U #define APIC_LVT_IIPP_INTALO 0x00002000U #define APIC_LVT_IIPP_INTAHI 0x00000000U #define APIC_LVT_RIRR 0x00004000U #define APIC_LVT_TM 0x00008000U #define APIC_LVT_M 0x00010000U /* fields in LVT Timer */ #define APIC_LVTT_VECTOR 0x000000ffU #define APIC_LVTT_DS 0x00001000U #define APIC_LVTT_M 0x00010000U #define APIC_LVTT_TM 0x00060000U #define APIC_LVTT_TM_ONE_SHOT 0x00000000U #define APIC_LVTT_TM_PERIODIC 0x00020000U #define APIC_LVTT_TM_TSCDLT 0x00040000U #define APIC_LVTT_TM_RSRV 0x00060000U /* APIC timer current count */ #define APIC_TIMER_MAX_COUNT 0xffffffffU /* fields in TDCR */ #define APIC_TDCR_2 0x00U #define APIC_TDCR_4 0x01U #define APIC_TDCR_8 0x02U #define APIC_TDCR_16 0x03U #define APIC_TDCR_32 0x08U #define APIC_TDCR_64 0x09U #define APIC_TDCR_128 0x0aU #define APIC_TDCR_1 0x0bU /* Constants related to AMD Extended APIC Features Register */ #define APIC_EXTF_ELVT_MASK 0x00ff0000U #define APIC_EXTF_ELVT_SHIFT 16 #define APIC_EXTF_EXTID_CAP 0x00000004U #define APIC_EXTF_SEIO_CAP 0x00000002U #define APIC_EXTF_IER_CAP 0x00000001U /* LVT table indices */ #define APIC_LVT_TIMER 0U #define APIC_LVT_THERMAL 1U #define APIC_LVT_PMC 2U #define APIC_LVT_LINT0 3U #define APIC_LVT_LINT1 4U #define APIC_LVT_ERROR 5U #define APIC_LVT_CMCI 6U #define APIC_LVT_MAX APIC_LVT_CMCI /* AMD extended LVT constants, seem to be assigned by fiat */ #define APIC_ELVT_IBS 0 /* Instruction based sampling */ #define APIC_ELVT_MCA 1 /* MCE thresholding */ #define APIC_ELVT_DEI 2 /* Deferred error interrupt */ #define APIC_ELVT_SBI 3 /* Sideband interface */ #define APIC_ELVT_MAX APIC_ELVT_SBI /****************************************************************************** * I/O APIC defines */ /* window register offset */ #define IOAPIC_REGSEL 0x00U #define IOAPIC_WINDOW 0x10U /* indexes into IO APIC */ #define IOAPIC_ID 0x00U #define IOAPIC_VER 0x01U #define IOAPIC_ARB 0x02U #define IOAPIC_REDTBL 0x10U #define IOAPIC_REDTBL0 IOAPIC_REDTBL #define IOAPIC_REDTBL1 (IOAPIC_REDTBL+0x02U) #define IOAPIC_REDTBL2 (IOAPIC_REDTBL+0x04U) #define IOAPIC_REDTBL3 (IOAPIC_REDTBL+0x06U) #define IOAPIC_REDTBL4 (IOAPIC_REDTBL+0x08U) #define IOAPIC_REDTBL5 (IOAPIC_REDTBL+0x0aU) #define IOAPIC_REDTBL6 (IOAPIC_REDTBL+0x0cU) #define IOAPIC_REDTBL7 (IOAPIC_REDTBL+0x0eU) #define IOAPIC_REDTBL8 (IOAPIC_REDTBL+0x10U) #define IOAPIC_REDTBL9 (IOAPIC_REDTBL+0x12U) #define IOAPIC_REDTBL10 (IOAPIC_REDTBL+0x14U) #define IOAPIC_REDTBL11 (IOAPIC_REDTBL+0x16U) #define IOAPIC_REDTBL12 (IOAPIC_REDTBL+0x18U) #define IOAPIC_REDTBL13 (IOAPIC_REDTBL+0x1aU) #define IOAPIC_REDTBL14 (IOAPIC_REDTBL+0x1cU) #define IOAPIC_REDTBL15 (IOAPIC_REDTBL+0x1eU) #define IOAPIC_REDTBL16 (IOAPIC_REDTBL+0x20U) #define IOAPIC_REDTBL17 (IOAPIC_REDTBL+0x22U) #define IOAPIC_REDTBL18 (IOAPIC_REDTBL+0x24U) #define IOAPIC_REDTBL19 (IOAPIC_REDTBL+0x26U) #define IOAPIC_REDTBL20 (IOAPIC_REDTBL+0x28U) #define IOAPIC_REDTBL21 (IOAPIC_REDTBL+0x2aU) #define IOAPIC_REDTBL22 (IOAPIC_REDTBL+0x2cU) #define IOAPIC_REDTBL23 (IOAPIC_REDTBL+0x2eU) /* fields in VER, for redirection entry */ #define IOAPIC_MAX_RTE_MASK 0x00ff0000U #define MAX_RTE_SHIFT 16U /* * fields in the IO APIC's redirection table entries */ #define IOAPIC_RTE_DEST_SHIFT 56U /* broadcast addr: all APICs */ #define IOAPIC_RTE_DEST_MASK 0xff00000000000000UL #define IOAPIC_RTE_RESV 0x00fe0000UL /* reserved */ #define IOAPIC_RTE_INTMASK 0x00010000UL /* R/W: INTerrupt mask */ #define IOAPIC_RTE_INTMCLR 0x00000000UL /* clear, allow INTs */ #define IOAPIC_RTE_INTMSET 0x00010000UL /* set, inhibit INTs */ #define IOAPIC_RTE_TRGRMOD 0x00008000UL /* R/W: trigger mode */ #define IOAPIC_RTE_TRGREDG 0x00000000UL /* edge */ #define IOAPIC_RTE_TRGRLVL 0x00008000UL /* level */ #define IOAPIC_RTE_REM_IRR 0x00004000UL /* RO: remote IRR */ #define IOAPIC_RTE_INTPOL 0x00002000UL /*R/W:INT input pin polarity*/ #define IOAPIC_RTE_INTAHI 0x00000000UL /* active high */ #define IOAPIC_RTE_INTALO 0x00002000UL /* active low */ #define IOAPIC_RTE_DELIVS 0x00001000UL /* RO: delivery status */ #define IOAPIC_RTE_DESTMOD 0x00000800UL /*R/W:destination mode*/ #define IOAPIC_RTE_DESTPHY 0x00000000UL /* physical */ #define IOAPIC_RTE_DESTLOG 0x00000800UL /* logical */ #define IOAPIC_RTE_DELMOD 0x00000700UL /* R/W: delivery mode */ #define IOAPIC_RTE_DELFIXED 0x00000000UL /* fixed */ #define IOAPIC_RTE_DELLOPRI 0x00000100UL /* lowest priority */ #define IOAPIC_RTE_DELSMI 0x00000200UL /*System Management INT*/ #define IOAPIC_RTE_DELRSV1 0x00000300UL /* reserved */ #define IOAPIC_RTE_DELNMI 0x00000400UL /* NMI signal */ #define IOAPIC_RTE_DELINIT 0x00000500UL /* INIT signal */ #define IOAPIC_RTE_DELRSV2 0x00000600UL /* reserved */ #define IOAPIC_RTE_DELEXINT 0x00000700UL /* External INTerrupt */ #define IOAPIC_RTE_INTVEC 0x000000ffUL /*R/W: INT vector field*/ #endif /* APICREG_H */