137 lines
2.6 KiB
C
137 lines
2.6 KiB
C
/* Copyright (C) Charles Forsyth
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* See /doc/license/NOTICE.Plan9-9k.txt for details about the licensing.
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*/
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/* Portions of this file are Copyright (C) 9front's team.
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* See /doc/license/9front-mit for details about the licensing.
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* See http://code.9front.org/hg/plan9front/ for a list of authors.
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*/
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typedef struct Fadt Fadt;
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typedef struct Gas Gas;
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typedef struct Tbl Tbl;
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typedef struct Acpicfg Acpicfg;
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/*
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* Header for ACPI description tables
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*/
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struct Tbl {
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uint8_t sig[4]; /* e.g. "FACP" */
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uint8_t len[4];
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uint8_t rev;
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uint8_t csum;
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uint8_t oemid[6];
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uint8_t oemtblid[8];
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uint8_t oemrev[4];
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uint8_t creatorid[4];
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uint8_t creatorrev[4];
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uint8_t data[];
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};
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/*
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* Generic address structure.
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*/
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struct Gas
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{
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uint8_t spc; /* address space id */
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uint8_t len; /* register size in bits */
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uint8_t off; /* bit offset */
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uint8_t accsz; /* 1: byte; 2: word; 3: dword; 4: qword */
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uint64_t addr; /* address (or acpi encoded tbdf + reg) */
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};
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/*
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* Fixed ACPI description table.
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*/
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struct Fadt {
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int rev;
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uint32_t facs;
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uint32_t dsdt;
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uint8_t pmprofile;
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uint16_t sciint;
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uint32_t smicmd;
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uint8_t acpienable;
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uint8_t acpidisable;
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uint8_t s4biosreq;
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uint8_t pstatecnt;
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uint32_t pm1aevtblk;
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uint32_t pm1bevtblk;
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uint32_t pm1acntblk;
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uint32_t pm1bcntblk;
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uint32_t pm2cntblk;
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uint32_t pmtmrblk;
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uint32_t gpe0blk;
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uint32_t gpe1blk;
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uint8_t pm1evtlen;
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uint8_t pm1cntlen;
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uint8_t pm2cntlen;
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uint8_t pmtmrlen;
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uint8_t gpe0blklen;
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uint8_t gpe1blklen;
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uint8_t gp1base;
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uint8_t cstcnt;
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uint16_t plvl2lat;
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uint16_t plvl3lat;
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uint16_t flushsz;
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uint16_t flushstride;
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uint8_t dutyoff;
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uint8_t dutywidth;
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uint8_t dayalrm;
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uint8_t monalrm;
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uint8_t century;
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uint16_t iapcbootarch;
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uint32_t flags;
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Gas resetreg;
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uint8_t resetval;
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uint64_t xfacs;
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uint64_t xdsdt;
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Gas xpm1aevtblk;
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Gas xpm1bevtblk;
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Gas xpm1acntblk;
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Gas xpm1bcntblk;
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Gas xpm2cntblk;
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Gas xpmtmrblk;
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Gas xgpe0blk;
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Gas xgpe1blk;
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};
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#pragma varargck type "G" Gas*
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struct Acpicfg {
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uint32_t sval[6][2]; /* p1a.ctl, p1b.ctl */
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};
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Tbl* acpigettbl(void*);
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extern Fadt fadt;
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extern Acpicfg acpicfg;
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extern void hpetinit(uint32_t, uint32_t, uintmem, int);
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enum{
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MemHotPlug= 1<<1,
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MemNonVolatile= 1<<2,
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};
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extern void memaffinity(uint64_t, uint64_t, uint32_t, int);
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/*
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* ACPI 4.0 E820 AddressRange types (table 14-1)
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*/
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enum {
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AddrsNone = 0,
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AddrsMemory = 1,
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AddrsReserved = 2,
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AddrsACPI = 3,
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AddrsNVS = 4,
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AddrsUnusable = 5,
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AddrsDisabled = 6,
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AddrsDEV = 9, /* our internal code */
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AddrsNVDIMM = 0x5a, /* Viking NVDIMM */
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/* extended attribute flags, not currently used */
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AddrsNonVolatile = 1<<1,
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AddrsSlowAccess = 1<<2,
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AddrsErrorLog = 1<<3,
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};
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