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hstructs.h
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hstructs.h
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/* HSTRUCTS.H (c) Copyright Roger Bowler, 1999-2009 */
/* Hercules Structure Definitions */
#ifndef _HSTRUCTS_H
#define _HSTRUCTS_H
#include "hercules.h"
#include "opcode.h"
/*-------------------------------------------------------------------*/
/* Typedefs for CPU bitmap fields */
/* */
/* A CPU bitmap contains one bit for each processing engine. */
/* The width of the bitmap depends on the maximum number of */
/* processing engines which was selected at build time. */
/*-------------------------------------------------------------------*/
#if MAX_CPU_ENGINES <= 32
typedef U32 CPU_BITMAP;
#define F_CPU_BITMAP "%8.8"I32_FMT"X"
#elif MAX_CPU_ENGINES <= 64
typedef U64 CPU_BITMAP;
#define F_CPU_BITMAP "%16.16"I64_FMT"X"
#elif MAX_CPU_ENGINES <= 128
#if defined(_MSVC_)
#error MAX_CPU_ENGINES > 64 not supported in Windows
#endif
#if SIZEOF_SIZE_T == 4
#error MAX_CPU_ENGINES > 64 only supported on 64 bit platforms
#endif
typedef __uint128_t CPU_BITMAP;
// ZZ FIXME: No printf format support for __int128 yet, so we will incorrectly display...
#define F_CPU_BITMAP "%16.16"I64_FMT"X"
#else
#error MAX_CPU_ENGINES cannot exceed 128
#endif
/*-------------------------------------------------------------------*/
/* Structure definition for CPU register context */
/*-------------------------------------------------------------------*/
struct REGS { /* Processor registers */
#define HDL_VERS_REGS "3.08" /* Internal Version Number */
#define HDL_SIZE_REGS sizeof(REGS)
int arch_mode; /* Architectural mode */
DW px; /* Prefix register */
PSW psw; /* Program status word */
BYTE *ip; /* Mainstor inst address */
/* AIA - Instruction fetch accelerator */
BYTE *aip; /* Mainstor page address */
uintptr_t aim; /* Mainstor xor address */
BYTE *aie; /* Mainstor page end address */
DW aiv; /* Virtual page address */
U64 bear; /* Breaking event address reg*/
BYTE *bear_ip; /* Breaking event inst ptr */
DW gr[16]; /* General registers */
DW cr[16+16+1]; /* 16 Control registers */
#define CR_ALB_OFFSET 16 /* 16 Accesslist lookaside */
#define CR_ASD_REAL 32 /* 1 Real asd register */
U32 ar[16]; /* Access registers */
U32 fpr[32]; /* Floating point registers */
U32 fpc; /* IEEE Floating Point
Control Register */
U32 dxc; /* Data exception code */
DW mc; /* Monitor Code */
DW ea; /* Exception address */
DW et; /* Execute Target address */
unsigned int /* Flags (cpu thread only) */
execflag:1, /* 1=EXecuted instruction */
exrl:1, /* 1=EXRL, 0=EX instruction */
permode:1, /* 1=PER active */
instinvalid:1, /* 1=Inst field is invalid */
opinterv:1, /* 1=Operator intervening */
checkstop:1, /* 1=CPU is checkstop-ed */
hostint:1, /* 1=Host generated interrupt*/
host:1, /* REGS are hostregs */
guest:1; /* REGS are guestregs */
unsigned int /* Flags (intlock serialized)*/
dummy:1, /* 1=Dummy regs structure */
configured:1, /* 1=CPU is online */
loadstate:1, /* 1=CPU is in load state */
ghostregs:1, /* 1=Ghost registers (panel) */
invalidate:1, /* 1=Do AIA/AEA invalidation */
tracing:1, /* 1=Trace is active */
stepwait:1, /* 1=Wait in inst stepping */
sigpreset:1, /* 1=SIGP cpu reset received */
sigpireset:1; /* 1=SIGP initial cpu reset */
S64 cpu_timer; /* CPU timer epoch */
S64 int_timer; /* S/370 Interval timer */
S32 old_timer; /* S/370 Interval timer int */
U64 clkc; /* 0-7=Clock comparator epoch,
8-63=Comparator bits 0-55 */
S64 tod_epoch; /* TOD epoch for this CPU */
S64 ecps_vtimer; /* ECPS Virtual Int. timer */
S32 ecps_oldtmr; /* ECPS Virtual Int. tmr int */
BYTE *ecps_vtmrpt; /* Pointer to VTMR or zero */
U32 instcount; /* Instruction counter */
U64 prevcount; /* Previous instruction count*/
U32 mipsrate; /* Instructions per second */
U32 siocount; /* SIO/SSCH counter */
U32 siosrate; /* IOs per second */
U64 siototal; /* Total SIO/SSCH count */
int cpupct; /* Percent CPU busy */
U64 waittod; /* Time of day last wait (us)*/
U64 waittime; /* Wait time (us) in interval*/
DAT dat; /* Fields for DAT use */
#define GR_G(_r) gr[(_r)].D
#define GR_H(_r) gr[(_r)].F.H.F /* Fullword bits 0-31 */
#define GR_HHH(_r) gr[(_r)].F.H.H.H.H /* Halfword bits 0-15 */
#define GR_HHL(_r) gr[(_r)].F.H.H.L.H /* Halfword low, bits 16-31 */
#define GR_HHLCL(_r) gr[(_r)].F.H.H.L.B.L /* Character, bits 24-31 */
#define GR_L(_r) gr[(_r)].F.L.F /* Fullword low, bits 32-63 */
#define GR_LHH(_r) gr[(_r)].F.L.H.H.H /* Halfword bits 32-47 */
#define GR_LHL(_r) gr[(_r)].F.L.H.L.H /* Halfword low, bits 48-63 */
#define GR_LHHCH(_r) gr[(_r)].F.L.H.H.B.H /* Character, bits 32-39 */
#define GR_LA24(_r) gr[(_r)].F.L.A.A /* 24 bit addr, bits 40-63 */
#define GR_LA8(_r) gr[(_r)].F.L.A.B /* 24 bit addr, unused bits */
#define GR_LHLCL(_r) gr[(_r)].F.L.H.L.B.L /* Character, bits 56-63 */
#define GR_LHLCH(_r) gr[(_r)].F.L.H.L.B.H /* Character, bits 48-55 */
#define CR_G(_r) cr[(_r)].D /* Bits 0-63 */
#define CR_H(_r) cr[(_r)].F.H.F /* Fullword bits 0-31 */
#define CR_HHH(_r) cr[(_r)].F.H.H.H.H /* Halfword bits 0-15 */
#define CR_HHL(_r) cr[(_r)].F.H.H.L.H /* Halfword low, bits 16-31 */
#define CR_L(_r) cr[(_r)].F.L.F /* Fullword low, bits 32-63 */
#define CR_LHH(_r) cr[(_r)].F.L.H.H.H /* Halfword bits 32-47 */
#define CR_LHHCH(_r) cr[(_r)].F.L.H.H.B.H /* Character, bits 32-39 */
#define CR_LHL(_r) cr[(_r)].F.L.H.L.H /* Halfword low, bits 48-63 */
#define MC_G mc.D
#define MC_L mc.F.L.F
#define EA_G ea.D
#define EA_L ea.F.L.F
#define ET_G et.D
#define ET_L et.F.L.F
#define PX_G px.D
#define PX_L px.F.L.F
#define AIV_G aiv.D
#define AIV_L aiv.F.L.F
#define AR(_r) ar[(_r)]
U16 chanset; /* Connected channel set */
U32 todpr; /* TOD programmable register */
U16 monclass; /* Monitor event class */
U16 cpuad; /* CPU address for STAP */
BYTE excarid; /* Exception access register */
BYTE opndrid; /* Operand access register */
BYTE exinst[8]; /* Target of Execute (EX) */
BYTE *mainstor; /* -> Main storage */
BYTE *storkeys; /* -> Main storage key array */
RADR mainlim; /* Central Storage limit or */
/* guest storage limit (SIE) */
PSA_3XX *psa; /* -> PSA for this CPU */
/*
* The fields hostregs and guestregs have been move outside the
* scope of _FEATURE_SIE to reduce conditional code.
*
* sysblk.regs[i] always points to the host regs
* flag `host' is always 1 for the host regs
* flag `guest' is always 1 for the guest regs
* `hostregs' is always equal to sysblk.regs[i] (in both
* hostregs and guestregs)
* `guestregs' is always equal to sysblk.regs[i]->guestregs
* (in both hostregs and guestregs).
* sysblk.regs[i]->guestregs is NULL until the first SIE
* instruction is executed on that CPU.
* `sie_active' is 1 in hostregs if SIE is executing
* and the current register context is `guestregs'
* `sie_mode' is 1 in guestregs always
* `sie_state' has the real address of the SIEBK
* `siebk' has the mainstor address of the SIEBK
*/
REGS *hostregs; /* Pointer to the hypervisor
register context */
REGS *guestregs; /* Pointer to the guest
register context */
SYSBLK *sysblk; /* Pointer to sysblk */
#if defined(_FEATURE_SIE)
RADR sie_state; /* Address of the SIE state
descriptor block or 0 when
not running under SIE */
SIEBK *siebk; /* Sie State Desc structure */
RADR sie_px; /* Host address of guest px */
RADR sie_mso; /* Main Storage Origin */
RADR sie_xso; /* eXpanded Storage Origin */
RADR sie_xsl; /* eXpanded Storage Limit */
RADR sie_rcpo; /* Ref and Change Preserv. */
RADR sie_scao; /* System Contol Area */
S64 sie_epoch; /* TOD offset in state desc. */
#endif /*defined(_FEATURE_SIE)*/
unsigned int
sie_active:1, /* SIE active (host only) */
sie_mode:1, /* Running under SIE (guest) */
sie_pref:1; /* Preferred-storage mode */
// #if defined(FEATURE_PER)
U16 perc; /* PER code */
RADR peradr; /* PER address */
BYTE peraid; /* PER access id */
// #endif /*defined(FEATURE_PER)*/
CPU_BITMAP cpubit; /* Only this CPU's bit is 1 */
U32 ints_state; /* CPU Interrupts Status */
U32 ints_mask; /* Respective Interrupts Mask*/
/*
* Making the following flags 'stand-alone' (instead of bit-
* flags like they were) addresses a compiler bit-flag serial-
* ization issue that occurs with the 'SYNCHRONIZE_CPUS' macro
* used during synchronize broadcast (cpu<->cpu communication)
*/
int intwait; /* 1=Waiting on intlock */
int syncio; /* 1=Synchronous i/o active */
BYTE cpustate; /* CPU stopped/started state */
BYTE malfcpu /* Malfuction alert flags */
[MAX_CPU_ENGINES]; /* for each CPU (1=pending) */
BYTE emercpu /* Emergency signal flags */
[MAX_CPU_ENGINES]; /* for each CPU (1=pending) */
U16 extccpu; /* CPU causing external call */
BYTE inst[8]; /* Fetched instruction when
instruction crosses a page
boundary */
BYTE *invalidate_main; /* Mainstor addr to invalidat*/
PSW captured_zpsw; /* Captured-z/Arch PSW reg */
#if defined(_FEATURE_VECTOR_FACILITY)
VFREGS *vf; /* Vector Facility */
#endif /*defined(_FEATURE_VECTOR_FACILITY)*/
jmp_buf progjmp; /* longjmp destination for
program check return */
jmp_buf archjmp; /* longjmp destination to
switch architecture mode */
jmp_buf exitjmp; /* longjmp destination for
CPU thread exit */
COND intcond; /* CPU interrupt condition */
LOCK *cpulock; /* CPU lock for this CPU */
/* Mainstor address lookup accelerator */
BYTE aea_mode; /* aea addressing mode */
int aea_ar[16+5]; /* arn to cr number */
/* 5 Special registers */
BYTE aea_common[16+16+1]; /* 1=asd is not private */
/* 16 Accesslist lookaside */
/* 1 Real asd register */
BYTE aea_aleprot[16]; /* ale protected */
/* Function pointers */
pi_func program_interrupt;
func trace_br;
/* ------------------------------------------------------------ */
U64 regs_copy_end; /* Copy regs to here */
/* ------------------------------------------------------------ */
/* Opcode table pointers */
FUNC s370_opcode_table[256];
FUNC *s370_opcode_a4xx,
*s370_opcode_a5xx,
*s370_opcode_a6xx,
#if defined(MULTI_BYTE_ASSIST)
s370_opcode_a7xx[256],
s370_opcode_b2xx[256],
s370_opcode_b9xx[256],
s370_opcode_c0xx[256], /*@N3*/
s370_opcode_e3xx[256], /*@N3*/
s370_opcode_ebxx[256],
#else
*s370_opcode_a7xx,
*s370_opcode_b2xx,
*s370_opcode_b9xx,
*s370_opcode_c0xx, /*@N3*/
*s370_opcode_e3xx, /*@N3*/
*s370_opcode_ebxx,
#endif
*s370_opcode_b3xx, /*FPE*/
*s370_opcode_c2xx, /*208*/
*s370_opcode_c4xx, /*208*/
*s370_opcode_c6xx, /*208*/
*s370_opcode_e4xx,
*s370_opcode_e5xx,
*s370_opcode_e6xx,
*s370_opcode_ecxx, /*@N3*/
*s370_opcode_edxx;
FUNC s390_opcode_table[256];
FUNC *s390_opcode_01xx,
*s390_opcode_a4xx,
*s390_opcode_a5xx,
*s390_opcode_a6xx,
#if defined(MULTI_BYTE_ASSIST)
s390_opcode_a7xx[256],
s390_opcode_b2xx[256],
s390_opcode_b9xx[256],
s390_opcode_c0xx[256],
s390_opcode_e3xx[256],
s390_opcode_ebxx[256],
#else
*s390_opcode_a7xx,
*s390_opcode_b2xx,
*s390_opcode_b9xx,
*s390_opcode_c0xx,
*s390_opcode_e3xx,
*s390_opcode_ebxx,
#endif
*s390_opcode_b3xx,
*s390_opcode_c2xx,
*s390_opcode_c4xx, /*208*/
*s390_opcode_c6xx, /*208*/
*s390_opcode_e4xx,
*s390_opcode_e5xx,
*s390_opcode_ecxx,
*s390_opcode_edxx;
FUNC z900_opcode_table[256];
FUNC *z900_opcode_01xx,
*z900_opcode_a5xx,
#if defined(MULTI_BYTE_ASSIST)
z900_opcode_a7xx[256],
z900_opcode_b2xx[256],
z900_opcode_b9xx[256],
z900_opcode_c0xx[256],
z900_opcode_e3xx[256],
z900_opcode_ebxx[256],
#else
*z900_opcode_a7xx,
*z900_opcode_b2xx,
*z900_opcode_b9xx,
*z900_opcode_c0xx,
*z900_opcode_e3xx,
*z900_opcode_ebxx,
#endif
*z900_opcode_b3xx,
*z900_opcode_c2xx,
*z900_opcode_c4xx, /*208*/
*z900_opcode_c6xx, /*208*/
*z900_opcode_c8xx,
*z900_opcode_ccxx, /*810*/
*z900_opcode_e5xx,
*z900_opcode_ecxx,
*z900_opcode_edxx;
/* TLB - Translation lookaside buffer */
unsigned int tlbID; /* Validation identifier */
TLB tlb; /* Translation lookaside buf */
};
/*-------------------------------------------------------------------*/
/* Structure definition for the Vector Facility */
/*-------------------------------------------------------------------*/
#if defined(_FEATURE_VECTOR_FACILITY)
struct VFREGS { /* Vector Facility Registers*/
unsigned int
online:1; /* 1=VF is online */
U64 vsr; /* Vector Status Register */
U64 vac; /* Vector Activity Count */
BYTE vmr[VECTOR_SECTION_SIZE/8]; /* Vector Mask Register */
U32 vr[16][VECTOR_SECTION_SIZE]; /* Vector Registers */
};
#endif /*defined(_FEATURE_VECTOR_FACILITY)*/
// #if defined(FEATURE_REGION_RELOCATE)
/*-------------------------------------------------------------------*/
/* Zone Parameter Block */
/*-------------------------------------------------------------------*/
struct ZPBLK {
RADR mso; /* Main Storage Origin */
RADR msl; /* Main Storage Length */
RADR eso; /* Expanded Storage Origin */
RADR esl; /* Expanded Storage Length */
RADR mbo; /* Measurement block origin */
BYTE mbk; /* Measurement block key */
int mbm; /* Measurement block mode */
int mbd; /* Device connect time mode */
};
// #endif /*defined(FEATURE_REGION_RELOCATE)*/
/*-------------------------------------------------------------------*/
/* System configuration block */
/*-------------------------------------------------------------------*/
struct SYSBLK {
#define HDL_VERS_SYSBLK "3.06" /* Internal Version Number */
#define HDL_SIZE_SYSBLK sizeof(SYSBLK)
time_t impltime; /* TOD system was IMPL'ed */
int arch_mode; /* Architecturual mode */
/* 0 == S/370 (ARCH_370) */
/* 1 == ESA/390 (ARCH_390) */
/* 2 == ESAME (ARCH_900) */
int arch_z900; /* 1 == ESAME supported */
RADR mainsize; /* Main storage size (bytes) */
BYTE *mainstor; /* -> Main storage */
BYTE *storkeys; /* -> Main storage key array */
U32 xpndsize; /* Expanded size (4K pages) */
BYTE *xpndstor; /* -> Expanded storage */
U64 todstart; /* Time of initialisation */
U64 cpuid; /* CPU identifier for STIDP */
TID impltid; /* Thread-id for main progr. */
TID wdtid; /* Thread-id for watchdog */
U16 lparnuml; /* #digits (0-2) in lparnum */
U16 lparnum; /* LPAR identification number*/
U16 ipldev; /* IPL device */
int iplcpu; /* IPL cpu */
int ipllcss; /* IPL lcss */
int numcpu; /* Number of CPUs installed */
int numvec; /* Number vector processors */
int maxcpu; /* Max number of CPUs */
int cpus; /* Number CPUs configured */
int hicpu; /* Hi cpu + 1 configured */
int sysepoch; /* TOD clk epoch (1900/1960) */
int topology; /* Configuration topology... */
#define TOPOLOGY_HORIZ 0 /* ...horizontal polarization*/
#define TOPOLOGY_VERT 1 /* ...vertical polarization */
int topchnge; /* 1 = Topology Change Report
pending (CPU cfg on/off) */
COND cpucond; /* CPU config/deconfig cond */
LOCK cpulock[MAX_CPU_ENGINES]; /* CPU lock */
TID cputid[MAX_CPU_ENGINES]; /* CPU thread identifiers */
BYTE ptyp[MAX_CPU_ENGINES]; /* SCCB ptyp for each engine */
LOCK todlock; /* TOD clock update lock */
TID todtid; /* Thread-id for TOD update */
REGS *regs[MAX_CPU_ENGINES+1]; /* Registers for each CPU */
#if defined(_FEATURE_MESSAGE_SECURITY_ASSIST)
LOCK wklock; /* Update lock */
BYTE wkaes_reg[32]; /* Wrapping-key registers */
BYTE wkdea_reg[24];
BYTE wkvpaes_reg[32]; /* Wrapping-key Verification */
BYTE wkvpdea_reg[24]; /* Pattern registers */
#endif /*defined(_FEATURE_MESSAGE_SECURITY_ASSIST)*/
/* CPU Measurement Counter facility
CPU Measurement Sampling facility
Load Program Parameter facility */
U64 program_parameter; /* Program Parameter Register*/
#if defined(_FEATURE_VECTOR_FACILITY)
VFREGS vf[MAX_CPU_ENGINES]; /* Vector Facility */
#endif /*defined(_FEATURE_VECTOR_FACILITY)*/
#if defined(_FEATURE_SIE)
ZPBLK zpb[FEATURE_SIE_MAXZONES]; /* SIE Zone Parameter Blk*/
#endif /*defined(_FEATURE_SIE)*/
#if defined(OPTION_FOOTPRINT_BUFFER)
REGS footprregs[MAX_CPU_ENGINES][OPTION_FOOTPRINT_BUFFER];
U32 footprptr[MAX_CPU_ENGINES];
#endif
#define LOCK_OWNER_NONE 0xFFFF
#define LOCK_OWNER_OTHER 0xFFFE
U16 mainowner; /* Mainlock owner */
U16 intowner; /* Intlock owner */
LOCK mainlock; /* Main storage lock */
LOCK intlock; /* Interrupt lock */
LOCK iointqlk; /* I/O Interrupt Queue lock */
LOCK sigplock; /* Signal processor lock */
ATTR detattr; /* Detached thread attribute */
ATTR joinattr; /* Joinable thread attribute */
#define DETACHED &sysblk.detattr /* (helper macro) */
#define JOINABLE &sysblk.joinattr /* (helper macro) */
TID cnsltid; /* Thread-id for console */
TID socktid; /* Thread-id for sockdev */
/* 3270 Console Keep-Alive: */
int kaidle; /* Keepalive idle seconds */
int kaintv; /* Keepalive probe interval */
int kacnt; /* Keepalive probe count */
#if defined( OPTION_WAKEUP_SELECT_VIA_PIPE )
LOCK cnslpipe_lock; /* signaled flag access lock */
int cnslpipe_flag; /* 1 == already signaled */
int cnslwpipe; /* fd for sending signal */
int cnslrpipe; /* fd for receiving signal */
LOCK sockpipe_lock; /* signaled flag access lock */
int sockpipe_flag; /* 1 == already signaled */
int sockwpipe; /* Sockdev signaling pipe Wr */
int sockrpipe; /* Sockdev signaling pipe Rd */
#endif // defined( OPTION_WAKEUP_SELECT_VIA_PIPE )
RADR mbo; /* Measurement block origin */
BYTE mbk; /* Measurement block key */
int mbm; /* Measurement block mode */
int mbd; /* Device connect time mode */
int diag8cmd; /* Allow diagnose 8 commands */
#define DIAG8CMD_ECHO 0x80 /* Echo command to console */
#define DIAG8CMD_ENABLE 0x01 /* Enable DIAG8 interface */
BYTE shcmdopt; /* 'sh'ell command option */
#define SHCMDOPT_DISABLE 0x80 /* Globally disable 'sh' cmd */
#define SHCMDOPT_NODIAG8 0x40 /* Disallow only for DIAG8 */
int panrate; /* Panel refresh rate */
int timerint; /* microsecs timer interval */
char *pantitle; /* Alt console panel title */
#if defined(OPTION_HAO)
TID haotid; /* Herc Auto-Oper thread-id */
#endif /* defined(OPTION_HAO) */
#if defined(OPTION_SCSI_TAPE)
/* Access to all SCSI fields controlled by sysblk.stape_lock */
LOCK stape_lock; /* LOCK for all SCSI fields */
int auto_scsi_mount_secs; /* Check for SCSI tape mount
frequency; 0 == disabled */
#define DEFAULT_AUTO_SCSI_MOUNT_SECS (5)
TID stape_getstat_tid; /* Tape-status worker thread */
TID stape_mountmon_tid; /* Tape-mount worker thread */
COND stape_getstat_cond; /* Tape-status thread COND */
u_int stape_getstat_busy:1; /* 1=Status thread is busy */
LIST_ENTRY stape_status_link; /* get status request chain */
LIST_ENTRY stape_mount_link; /* scsimount request chain */
struct timeval
stape_query_status_tod; /* TOD of last status query */
#endif /* defined(OPTION_SCSI_TAPE) */
DEVBLK *firstdev; /* -> First device block */
DEVBLK *sysgdev; /* -> devblk for SYSG console*/
#if defined(OPTION_FAST_DEVLOOKUP)
DEVBLK ***devnum_fl; /* 1st level table for fast */
/* devnum lookup */
DEVBLK ***subchan_fl; /* Subchannel table fast */
/* lookup table */
#endif /* FAST_DEVICE_LOOKUP */
U16 highsubchan[FEATURE_LCSS_MAX]; /* Highest subchan+1 */
U32 chp_reset[8]; /* Channel path reset masks */
IOINT *iointq; /* I/O interrupt queue */
#if !defined(OPTION_FISHIO)
DEVBLK *ioq; /* I/O queue */
LOCK ioqlock; /* I/O queue lock */
COND ioqcond; /* I/O queue condition */
int devtwait; /* Device threads waiting */
int devtnbr; /* Number of device threads */
int devtmax; /* Max device threads */
int devthwm; /* High water mark */
int devtunavail; /* Count thread unavailable */
#endif // !defined(OPTION_FISHIO)
RADR addrlimval; /* Address limit value (SAL) */
#if defined(FEATURE_VM_BLOCKIO)
U16 servcode; /* External interrupt code */
BYTE biosubcd; /* Block I/O sub int. code */
BYTE biostat; /* Block I/O status */
U64 bioparm; /* Block I/O interrupt parm */
DEVBLK *biodev; /* Block I/O device */
/* Note: biodev is only used to detect BIO interrupt tracing */
#endif /* defined(FEATURE_VM_BLOCKIO) */
U32 servparm; /* Service signal parameter */
unsigned int /* Flags */
daemon_mode:1, /* Daemon mode active */
panel_init:1, /* Panel display initialized */
npquiet:1, /* New Panel quiet indicator */
sigintreq:1, /* 1 = SIGINT request pending*/
insttrace:1, /* 1 = Instruction trace */
inststep:1, /* 1 = Instruction step */
shutdown:1, /* 1 = shutdown requested */
shutfini:1, /* 1 = shutdown complete */
#if defined( _MSVC_ )
shutimmed:1, /* 1 = shutdown req immed */
#endif // defined( _MSVC_ )
main_clear:1, /* 1 = mainstor is cleared */
xpnd_clear:1, /* 1 = xpndstor is cleared */
showregsfirst:1, /* 1 = show regs before inst */
showregsnone:1, /* 1 = show no registers */
nomountedtapereinit:1, /* 1 = disallow tape devinit
if tape already mounted */
legacysenseid:1, /* ena/disa senseid on */
/* legacy devices */
#if defined(OPTION_IPLPARM)
haveiplparm:1, /* IPL PARM a la VM */
#endif
logoptnotime:1; /* 1 = don't timestamp log */
U32 ints_state; /* Common Interrupts Status */
CPU_BITMAP config_mask; /* Configured CPUs */
CPU_BITMAP started_mask; /* Started CPUs */
CPU_BITMAP waiting_mask; /* Waiting CPUs */
U64 traceaddr[2]; /* Tracing address range */
U64 stepaddr[2]; /* Stepping address range */
#if defined(OPTION_IPLPARM)
BYTE iplparmstring[64]; /* 64 bytes loadable at IPL */
#endif
#ifdef FEATURE_ECPSVM
//
/* ECPS:VM */
struct {
u_int level:16;
u_int debug:1;
u_int available:1;
} ecpsvm; /* ECPS:VM structure */
//
#endif
U64 pgminttr; /* Program int trace mask */
int pcpu; /* Tgt CPU panel cmd & displ */
int hercprio; /* Hercules process priority */
int todprio; /* TOD Clock thread priority */
int cpuprio; /* CPU thread priority */
int devprio; /* Device thread priority */
TID httptid; /* HTTP listener thread id */
U16 httpport; /* HTTP port number or zero */
int httpauth; /* HTTP auth required flag */
char *httpuser; /* HTTP userid */
char *httppass; /* HTTP password */
char *httproot; /* HTTP root */
#if defined( OPTION_TAPE_AUTOMOUNT )
TAMDIR *tamdir; /* Acc/Rej AUTOMOUNT dir ctl */
char *defdir; /* Default AUTOMOUNT dir */
#endif
/* Fields used by SYNCHRONIZE_CPUS */
int syncing; /* 1=Sync in progress */
CPU_BITMAP sync_mask; /* CPU mask for syncing CPUs */
COND sync_cond; /* COND for syncing CPU */
COND sync_bc_cond; /* COND for other CPUs */
#if defined(_FEATURE_ASN_AND_LX_REUSE)
int asnandlxreuse; /* ASN And LX Reuse enable */
#endif
#if defined(OPTION_SHARED_DEVICES)
TID shrdtid; /* Shared device listener */
U16 shrdport; /* Shared device server port */
U32 shrdcount; /* IO count */
SHRD_TRACE *shrdtrace; /* Internal trace table */
SHRD_TRACE *shrdtracep; /* Current pointer */
SHRD_TRACE *shrdtracex; /* End of trace table */
int shrdtracen; /* Number of entries */
#endif
#ifdef OPTION_IODELAY_KLUDGE
int iodelay; /* I/O delay kludge for linux*/
#endif /*OPTION_IODELAY_KLUDGE*/
#if defined( HTTP_SERVER_CONNECT_KLUDGE )
int http_server_kludge_msecs;
#endif // defined( HTTP_SERVER_CONNECT_KLUDGE )
#if !defined(NO_SETUID)
uid_t ruid, euid, suid;
gid_t rgid, egid, sgid;
#endif /*!defined(NO_SETUID)*/
#if defined(OPTION_COUNTING)
long long count[OPTION_COUNTING];
#define COUNT(n) sysblk.count[(n)]++
#else
#define COUNT(n)
#endif
#if defined(OPTION_INSTRUCTION_COUNTING)
LOCK icount_lock;
#define IMAP_FIRST sysblk.imap01
U64 imap01[256];
U64 imapa4[256];
U64 imapa5[16];
U64 imapa6[256];
U64 imapa7[16];
U64 imapb2[256];
U64 imapb3[256];
U64 imapb9[256];
U64 imapc0[16];
U64 imapc2[16]; /*@Z9*/
U64 imapc4[16]; /*208*/
U64 imapc6[16]; /*208*/
U64 imapc8[16];
U64 imape3[256];
U64 imape4[256];
U64 imape5[256];
U64 imapeb[256];
U64 imapec[256];
U64 imaped[256];
U64 imapxx[256];
#define IMAP_SIZE \
( sizeof(sysblk.imap01) \
+ sizeof(sysblk.imapa4) \
+ sizeof(sysblk.imapa5) \
+ sizeof(sysblk.imapa6) \
+ sizeof(sysblk.imapa7) \
+ sizeof(sysblk.imapb2) \
+ sizeof(sysblk.imapb3) \
+ sizeof(sysblk.imapb9) \
+ sizeof(sysblk.imapc0) \
+ sizeof(sysblk.imapc2) /*@Z9*/ \
+ sizeof(sysblk.imapc4) /*208*/ \
+ sizeof(sysblk.imapc6) /*208*/ \
+ sizeof(sysblk.imapc8) \
+ sizeof(sysblk.imape3) \
+ sizeof(sysblk.imape4) \
+ sizeof(sysblk.imape5) \
+ sizeof(sysblk.imapeb) \
+ sizeof(sysblk.imapec) \
+ sizeof(sysblk.imaped) \
+ sizeof(sysblk.imapxx) )
#endif
char *logofile; /* Fancy 3270 logo box */
char **herclogo; /* 3270 Logo data */
size_t logolines; /* Number of lines in logo */
#if defined(OPTION_MIPS_COUNTING)
/* Merged Counters for all CPUs */
U64 instcount; /* Instruction counter */
U32 mipsrate; /* Instructions per second */
U32 siosrate; /* IOs per second */
#endif /*defined(OPTION_MIPS_COUNTING)*/
#ifdef OPTION_CMDTGT
int cmdtgt; /* 0=herc,1=scp,2=!scp */
#endif // OPTION_CMDTGT
int regs_copy_len; /* Length to copy for REGS */
REGS dummyregs; /* Regs for unconfigured CPU */
#ifdef OPTION_MSGHLD
int keep_timeout_secs; /* Message hold time */
#endif
};
/*-------------------------------------------------------------------*/
/* I/O interrupt queue entry */
/*-------------------------------------------------------------------*/
struct IOINT { /* I/O interrupt queue entry */
IOINT *next; /* -> next interrupt entry */
DEVBLK *dev; /* -> Device block */
int priority; /* Device priority */
unsigned int
pending:1, /* 1=Normal interrupt */
pcipending:1, /* 1=PCI interrupt */
attnpending:1; /* 1=ATTN interrupt */
};
/*-------------------------------------------------------------------*/
/* SCSI support threads request structures... (i.e. work items) */
/*-------------------------------------------------------------------*/
#if defined(OPTION_SCSI_TAPE)
struct STSTATRQ /* Status Update Request */
{
LIST_ENTRY link; /* just a link in the chain */
DEVBLK* dev; /* ptr to device block */
};
typedef struct STSTATRQ STSTATRQ;
struct STMNTDRQ /* Automatic Mount Request */
{
LIST_ENTRY link; /* just a link in the chain */
DEVBLK* dev; /* ptr to device block */
};
typedef struct STMNTDRQ STMNTDRQ;
#endif /* defined(OPTION_SCSI_TAPE) */
/*-------------------------------------------------------------------*/
/* Device configuration block */
/*-------------------------------------------------------------------*/
struct DEVBLK { /* Device configuration block*/
#define HDL_VERS_DEVBLK "3.08" /* Internal Version Number */
#define HDL_SIZE_DEVBLK sizeof(DEVBLK)
DEVBLK *nextdev; /* -> next device block */
REGS *regs; /* -> REGS if syncio */
LOCK lock; /* Device block lock */
int allocated; /* Device block free/in use */
/* device identification */
U16 ssid; /* Subsystem ID incl. lcssid */
U16 subchan; /* Subchannel number */
U16 devnum; /* Device number */
U16 devtype; /* Device type */
U16 chanset; /* Channel Set to which this
device is connected S/370 */
char *typname; /* Device type name */
int member; /* Group member number */
DEVGRP *group; /* Device Group */
int argc; /* Init number arguments */
char **argv; /* Init arguments */
/* Storage accessible by device */
BYTE *mainstor; /* -> Main storage */
BYTE *storkeys; /* -> Main storage key array */
RADR mainlim; /* Central Storage limit or */
/* guest storage limit (SIE) */
char filename[PATH_MAX+1]; /* filename (plus poss "|") */
/* device i/o fields... */
int fd; /* File desc / socket number */
FILE *fh; /* associated File handle */
bind_struct* bs; /* -> bind_struct if socket-
device, NULL otherwise */
/* device buffer management fields */
int bufcur; /* Buffer data identifier */
BYTE *buf; /* -> Device data buffer */
int bufsize; /* Device data buffer size */
int buflen; /* Device buffer length used */
int bufoff; /* Offset into data buffer */
int bufres; /* buffer residual length */
int bufoffhi; /* Highest offset allowed */
int bufupdlo; /* Lowest offset updated */
int bufupdhi; /* Highest offset updated */
U32 bufupd; /* 1=Buffer updated */
/* device cache management fields */
int cache; /* Current cache index */
int cachehits; /* Cache hits */
int cachemisses; /* Cache misses */
int cachewaits; /* Cache waits */
/* device compression support */
int comps; /* Acceptable compressions */
int comp; /* Compression used */
int compoff; /* Offset to compressed data */
/* device i/o scheduling fields... */
TID tid; /* Thread-id executing CCW */
int priority; /* I/O q scehduling priority */
DEVBLK *nextioq; /* -> next device in I/O q */
IOINT ioint; /* Normal i/o interrupt
queue entry */
IOINT pciioint; /* PCI i/o interrupt
queue entry */
IOINT attnioint; /* ATTN i/o interrupt
queue entry */
int cpuprio; /* CPU thread priority */
int devprio; /* Device thread priority */
/* fields used during ccw execution... */
BYTE chained; /* Command chain and data chain
bits from previous CCW */
BYTE prev_chained; /* Chaining flags from CCW
preceding the data chain */
BYTE code; /* Current CCW opcode */
BYTE prevcode; /* Previous CCW opcode */
int ccwseq; /* CCW sequence number */
U32 ccwaddr;
U16 idapmask;
BYTE idawfmt;
BYTE ccwfmt;
BYTE ccwkey;
/* device handler function pointers... */
DEVHND *hnd; /* -> Device handlers */
/* Supplemental handler functions - Set by init handler @ISW */
/* Function invoked during HDV/HIO & HSCH instructions @ISW */
/* processing occurs in channel.c in haltio et al. @ISW */
/* when the device is busy, but the channel subsystem @ISW */
/* does not know how to perform the halt itself but has @ISW */
/* to rely on the handler to perform the halt @ISW */
void ( *halt_device)(DEVBLK *); /* @ISW */
DEVIM *immed; /* Model Specific IM codes */
/* (overrides devhnd immed) */
int is_immed; /* Last command is Immediate */
/* emulated architecture fields... (MUST be aligned!) */
int reserved1; /* ---(ensure alignment)---- */
ORB orb; /* Operation request blk @IWZ*/
PMCW pmcw; /* Path management ctl word */
SCSW scsw; /* Subchannel status word(XA)*/
SCSW pciscsw; /* PCI subchannel status word*/
SCSW attnscsw; /* ATTNsubchannel status word*/
BYTE csw[8]; /* Channel status word(S/370)*/
BYTE pcicsw[8]; /* PCI channel status word */
BYTE attncsw[8]; /* ATTN channel status word */
ESW esw; /* Extended status word */
BYTE ecw[32]; /* Extended control word */
U32 numsense; /* Number of sense bytes */
BYTE sense[256]; /* Sense bytes 3480+ 64 bytes*/
U32 numdevid; /* Number of device id bytes */
BYTE devid[256]; /* Device identifier bytes */
U32 numdevchar; /* Number of devchar bytes */
BYTE devchar[64]; /* Device characteristics */
BYTE pgstat; /* Path Group Status */
BYTE pgid[11]; /* Path Group ID */
BYTE reserved2[4]; /* (pad/align/unused/avail) */
COND resumecond; /* Resume condition */
COND iocond; /* I/O active condition */
int iowaiters; /* Number of I/O waiters */
int ioactive; /* System Id active on device*/
#define DEV_SYS_NONE 0 /* No active system on device*/
#define DEV_SYS_LOCAL 0xffff /* Local system active on dev*/
BYTE drvpwd[11]; /* Password for drive */
BYTE reserved3; /* (pad/align/unused/avail) */
/* control flags... */
unsigned int /* Flags */
#ifdef OPTION_CKD_KEY_TRACING
ckdkeytrace:1, /* 1=Log CKD_KEY_TRACE */
#endif /*OPTION_CKD_KEY_TRACING*/
syncio:2, /* 1=Synchronous I/Os allowed*/
shared:1, /* 1=Device is shareable */
console:1, /* 1=Console device */
connected:1, /* 1=Console client connected*/
readpending:2, /* 1=Console read pending */
connecting:1, /* 1=Connecting to remote */
localhost:1, /* 1=Remote is local */
batch:1, /* 1=Called by dasdutil */
dasdcopy:1, /* 1=Called by dasdcopy */
oslinux:1, /* 1=Linux */
ccwtrace:1, /* 1=CCW trace */
ccwstep:1, /* 1=CCW single step */
cdwmerge:1, /* 1=Channel will merge data
chained write CCWs */
reinit:1; /* 1=devinit, not attach */
unsigned int /* Device state - serialized
by dev->lock */
busy:1, /* 1=Device is busy */
reserved:1, /* 1=Device is reserved */
suspended:1, /* 1=Channel pgm suspended */
pending:1, /* 1=I/O interrupt pending */
pcipending:1, /* 1=PCI interrupt pending */
attnpending:1, /* 1=ATTN interrupt pending */
startpending:1, /* 1=startio pending */
resumesuspended:1; /* 1=Hresuming suspended dev */
#define IOPENDING(_dev) ((_dev)->pending || (_dev)->pcipending || (_dev)->attnpending)
#define INITIAL_POWERON_370() \
( dev->crwpending && ARCH_370 == sysblk.arch_mode )
int crwpending; /* 1=CRW pending */
int syncio_active; /* 1=Synchronous I/O active */
int syncio_retry; /* 1=Retry I/O asynchronously*/
/* Synchronous I/O */
U32 syncio_addr; /* Synchronous i/o ccw addr */
U64 syncios; /* Number synchronous I/Os */
U64 asyncios; /* Number asynchronous I/Os */
/* Device dependent data (generic) */
void *dev_data;
#ifdef EXTERNALGUI
/* External GUI fields */
GUISTAT* pGUIStat; /* EXTERNALGUI Dev Stat Ctl */
#endif
#if defined(FEATURE_VM_BLOCKIO)
/* VM DIAGNOSE X'250' Emulation Environment */
struct VMBIOENV *vmd250env; /* Established environment */
#endif /* defined(FEATURE_VM_BLOCKIO) */
/* Fields for remote devices */
struct in_addr rmtaddr; /* Remote address */
U16 rmtport; /* Remote port number */
U16 rmtnum; /* Remote device number */
int rmtid; /* Remote Id */
int rmtrel; /* Remote release level */
DBLWRD rmthdr; /* Remote header */
int rmtcomp; /* Remote compression parm */
int rmtcomps; /* Supported compressions */
int rmtpurgen; /* Remote purge count */
FWORD *rmtpurge; /* Remote purge list */
#ifdef OPTION_SHARED_DEVICES
/* Fields for device sharing */
TID shrdtid; /* Device thread id */
int shrdid; /* Id for next client */
int shrdconn; /* Number connected clients */
int shrdwait; /* Signal indicator */
SHRD *shrd[SHARED_MAX_SYS]; /* ->SHRD block */
#endif
/* Device dependent fields for console */
struct in_addr ipaddr; /* Client IP address */
in_addr_t acc_ipaddr; /* Allowable clients IP addr */
in_addr_t acc_ipmask; /* Allowable clients IP mask */
U32 rlen3270; /* Length of data in buffer */
int pos3270; /* Current screen position */
int keybdrem; /* Number of bytes remaining
in keyboard read buffer */
u_int eab3270:1; /* 1=Extended attributes */
u_int ewa3270:1; /* 1=Last erase was EWA */
u_int prompt1052:1; /* 1=Prompt for linemode i/p */
BYTE aid3270; /* Current input AID value */
BYTE mod3270; /* 3270 model number */
/* Device dependent fields for cardrdr */
char **more_files; /* for more that one file in
reader */
char **current_file; /* counts how many additional
reader files are avail */
int cardpos; /* Offset of next byte to be
read from data buffer */
int cardrem; /* Number of bytes remaining
in data buffer */
u_int multifile:1; /* 1=auto-open next i/p file */