Esempio n. 1
0
/*-------------------------------------------------------------------*/
void ARCH_DEP(diag204_call) (int r1, int r2, REGS *regs)
{
DIAG204_HDR       *hdrinfo;            /* Header                     */
DIAG204_PART      *partinfo;           /* Partition info             */
DIAG204_PART_CPU  *cpuinfo;            /* CPU info                   */
#if defined(FEATURE_EXTENDED_DIAG204)
DIAG204_X_HDR      *hdrxinfo;          /* Header                     */
DIAG204_X_PART     *partxinfo;         /* Partition info             */
DIAG204_X_PART_CPU *cpuxinfo;          /* CPU info                   */
U64               tdis;       
#endif /*defined(FEATURE_EXTENDED_DIAG204)*/
RADR              abs;                 /* abs addr of data area      */
U64               dreg;                /* work doubleword            */
int               i;                   /* loop counter               */
struct rusage     usage;               /* RMF type data              */
static U64        diag204tod;          /* last diag204 tod           */
#if defined(FEATURE_PHYSICAL_DIAG204)
static BYTE       physical[8] =
              {0xD7,0xC8,0xE8,0xE2,0xC9,0xC3,0xC1,0xD3}; /* PHYSICAL */
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/

    /* Test DIAG204 command word */
    switch (regs->GR_L(r2)) {

    case 0x04:

        abs = APPLY_PREFIXING (GR_A(r1,regs), regs->PX);

        /* Program check if RMF data is not on a page boundary */
        if ( (abs & PAGEFRAME_BYTEMASK) != 0x000)
            ARCH_DEP(program_interrupt) (regs, PGM_SPECIFICATION_EXCEPTION);

        /* Program check if RMF data area is outside main storage */
        if ( abs > regs->mainlim )
            ARCH_DEP(program_interrupt) (regs, PGM_ADDRESSING_EXCEPTION);

        /* Point to DIAG 204 data area */
        hdrinfo = (DIAG204_HDR*)(regs->mainstor + abs);

        /* Mark page referenced */
        STORAGE_KEY(abs, regs) |= STORKEY_REF | STORKEY_CHANGE;

        /* save last diag204 tod */
        dreg = diag204tod;

        /* Retrieve the TOD clock value and shift out the epoch */
        diag204tod = tod_clock(regs) << 8;

        memset(hdrinfo, 0, sizeof(DIAG204_HDR));
        hdrinfo->numpart = 1;
#if defined(FEATURE_PHYSICAL_DIAG204)
        hdrinfo->flags = DIAG204_PHYSICAL_PRESENT;
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/
        STORE_HW(hdrinfo->physcpu,sysblk.cpus);
        STORE_HW(hdrinfo->offown,sizeof(DIAG204_HDR));
        STORE_DW(hdrinfo->diagstck,dreg);

        /* hercules partition */
        partinfo = (DIAG204_PART*)(hdrinfo + 1);
        memset(partinfo, 0, sizeof(DIAG204_PART));
        partinfo->partnum = 1; /* Hercules partition */
        partinfo->virtcpu = sysblk.cpus;
        get_lparname(partinfo->partname);

        /* hercules cpu's */
        getrusage(RUSAGE_SELF,&usage);
        cpuinfo = (DIAG204_PART_CPU*)(partinfo + 1);
        for(i = 0; i < sysblk.maxcpu; i++)
          if (IS_CPU_ONLINE(i))
          {
              memset(cpuinfo, 0, sizeof(DIAG204_PART_CPU));
              STORE_HW(cpuinfo->cpaddr,sysblk.regs[i]->cpuad);
              cpuinfo->index=sysblk.ptyp[i];
              STORE_HW(cpuinfo->weight,100);
              dreg = (U64)(usage.ru_utime.tv_sec + usage.ru_stime.tv_sec) * 1000000;
              dreg = (dreg + (usage.ru_utime.tv_usec + usage.ru_stime.tv_usec)) / sysblk.cpus;
              dreg <<= 12;
              STORE_DW(cpuinfo->totdispatch,dreg);

              dreg = (U64)(usage.ru_utime.tv_sec)* 1000000;
              dreg = (dreg + (usage.ru_utime.tv_usec)) / sysblk.cpus;
              dreg <<= 12;
              STORE_DW(cpuinfo->effdispatch,dreg);

              cpuinfo += 1;
          }

#if defined(FEATURE_PHYSICAL_DIAG204)
        /* lpar management */
        getrusage(RUSAGE_CHILDREN,&usage);
        partinfo = (DIAG204_PART*)cpuinfo;
        memset(partinfo, 0, sizeof(DIAG204_PART));
        partinfo->partnum = 0; /* Physical machine */
        partinfo->virtcpu = sysblk.cpus;
        memcpy(partinfo->partname,physical,sizeof(physical));

        /* report all emulated physical cpu's */
        getrusage(RUSAGE_SELF,&usage);
        cpuinfo = (DIAG204_PART_CPU*)(partinfo + 1);
        for(i = 0; i < sysblk.maxcpu; i++)
          if (IS_CPU_ONLINE(i))
          {
              memset(cpuinfo, 0, sizeof(DIAG204_PART_CPU));
              STORE_HW(cpuinfo->cpaddr,sysblk.regs[i]->cpuad);
              cpuinfo->index = sysblk.ptyp[i];
              STORE_HW(cpuinfo->weight,100);

              dreg = (U64)(usage.ru_utime.tv_sec + usage.ru_stime.tv_sec) * 1000000;
              dreg = (dreg + (usage.ru_utime.tv_usec + usage.ru_stime.tv_usec)) / sysblk.cpus;
              dreg <<= 12;
              STORE_DW(cpuinfo->totdispatch,dreg);

              dreg = (U64)(usage.ru_utime.tv_sec) * 1000000;
              dreg = (dreg + (usage.ru_utime.tv_usec)) / sysblk.cpus;
              dreg <<= 12;
              STORE_DW(cpuinfo->effdispatch,dreg);

              cpuinfo += 1;
          }
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/

        regs->GR_L(r2) = 0;

        break;

#if defined(FEATURE_EXTENDED_DIAG204)
    /* Extended subcode 5 returns the size of the data areas provided by extended subcodes 6 and 7 */
    case 0x00010005:
        i = sizeof(DIAG204_X_HDR) + ((sizeof(DIAG204_X_PART) + (sysblk.maxcpu * sizeof(DIAG204_X_PART_CPU))) * 2);
        regs->GR_L(r2+1) = (i + PAGEFRAME_BYTEMASK) / PAGEFRAME_PAGESIZE;
        regs->GR_L(r2) = 0;

        break;

    /* Provide extended information */
    case 0x00010006:
        /* We fall through as we do not have any secondary cpus (that we know of) */

    /* Provide extended information, including information about secondary CPUs */
    case 0x00010007:
        /* Program check if RMF data is not on a page boundary */
        if ( (regs->GR_L(r1) & PAGEFRAME_BYTEMASK) != 0x000)
            ARCH_DEP(program_interrupt) (regs, PGM_SPECIFICATION_EXCEPTION);

        /* Obtain absolute address of main storage block,
           check protection, and set reference and change bits */
        hdrxinfo = (DIAG204_X_HDR*)MADDR (GR_A(r1,regs), r1, regs, ACCTYPE_WRITE, regs->psw.pkey);

        /* save last diag204 tod */
        dreg = diag204tod;

        /* Retrieve the TOD clock value and shift out the epoch */
        diag204tod = tod_clock(regs) << 8;

        memset(hdrxinfo, 0, sizeof(DIAG204_X_HDR));
        hdrxinfo->numpart = 1;
#if defined(FEATURE_PHYSICAL_DIAG204)
        hdrxinfo->flags = DIAG204_X_PHYSICAL_PRESENT;
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/
        STORE_HW(hdrxinfo->physcpu,sysblk.cpus);
        STORE_HW(hdrxinfo->offown,sizeof(DIAG204_X_HDR));
        STORE_DW(hdrxinfo->diagstck1,(dreg >> 8));
        STORE_DW(hdrxinfo->diagstck2,( 0x0000000001000000ULL | (regs->cpuad << 16) | regs->todpr));

        /* hercules partition */
        partxinfo = (DIAG204_X_PART*)(hdrxinfo + 1);
        memset(partxinfo, 0, sizeof(DIAG204_PART));
        partxinfo->partnum = 1; /* Hercules partition */
        partxinfo->virtcpu = sysblk.cpus;
        get_lparname(partxinfo->partname);
        get_sysname(partxinfo->cpcname);
        get_systype(partxinfo->osname);
        STORE_DW(partxinfo->cssize,sysblk.mainsize);
        STORE_DW(partxinfo->essize,sysblk.xpndsize);
        get_sysplex(partxinfo->gr_name);

        /* hercules cpu's */
        getrusage(RUSAGE_SELF,&usage);
        cpuxinfo = (DIAG204_X_PART_CPU*)(partxinfo + 1);
        for(i = 0; i < sysblk.maxcpu; i++)
          if (IS_CPU_ONLINE(i))
          {
              memset(cpuxinfo, 0, sizeof(DIAG204_X_PART_CPU));
              STORE_HW(cpuxinfo->cpaddr,sysblk.regs[i]->cpuad);
              cpuxinfo->index = sysblk.ptyp[i];
              STORE_HW(cpuxinfo->weight,100);
              
              tdis = (U64)(usage.ru_utime.tv_sec + usage.ru_stime.tv_sec) * 1000000;
              tdis = (tdis + (usage.ru_utime.tv_usec + usage.ru_stime.tv_usec)) / sysblk.cpus;
              tdis <<= 12;
              STORE_DW(cpuxinfo->totdispatch,tdis);

              dreg = (U64)(usage.ru_utime.tv_sec)* 1000000;
              dreg = (dreg + (usage.ru_utime.tv_usec)) / sysblk.cpus;
              dreg <<= 12;
              STORE_DW(cpuxinfo->effdispatch,dreg);

              STORE_HW(cpuxinfo->minweight,1000);
              STORE_HW(cpuxinfo->curweight,1000);
              STORE_HW(cpuxinfo->maxweight,1000);

              STORE_DW(cpuxinfo->onlinetime, diag204tod - sysblk.todstart);
              STORE_DW(cpuxinfo->waittime, (diag204tod - sysblk.todstart) - tdis);

              STORE_HW(cpuxinfo->pmaweight,1000);
              STORE_HW(cpuxinfo->polarweight,1000);

              cpuxinfo += 1;
          }


#if defined(FEATURE_PHYSICAL_DIAG204)
        /* lpar management */
        partxinfo = (DIAG204_X_PART*)cpuxinfo;
        memset(partxinfo, 0, sizeof(DIAG204_X_PART));
        partxinfo->partnum = 0; /* Physical machine */
        partxinfo->virtcpu = sysblk.cpus;
        memcpy(partxinfo->partname,physical,sizeof(physical));

        /* report all emulated physical cpu's */
        getrusage(RUSAGE_CHILDREN,&usage);
        cpuxinfo = (DIAG204_PART_CPU*)(partinfo + 1);
        for(i = 0; i < sysblk.maxcpu; i++)
          if (IS_CPU_ONLINE(i))
          {
              memset(cpuxinfo, 0, sizeof(DIAG204_X_PART_CPU));
              STORE_HW(cpuxinfo->cpaddr,sysblk.regs[i]->cpuad);
              cpuxinfo->index = sysblk.ptyp[i];
              STORE_HW(cpuxinfo->weight,100);
              
              tdis = (U64)(usage.ru_utime.tv_sec + usage.ru_stime.tv_sec) * 1000000;
              tdis = (tdis + (usage.ru_utime.tv_usec + usage.ru_stime.tv_usec)) / sysblk.cpus;
              tdis <<= 12;
              STORE_DW(cpuxinfo->totdispatch,tdis);

              dreg = (U64)(usage.ru_utime.tv_sec)* 1000000;
              dreg = (dreg + (usage.ru_utime.tv_usec)) / sysblk.cpus;
              dreg <<= 12;
              STORE_DW(cpuxinfo->effdispatch,dreg);

              STORE_HW(cpuxinfo->minweight,1000);
              STORE_HW(cpuxinfo->curweight,1000);
              STORE_HW(cpuxinfo->maxweight,1000);

              STORE_DW(cpuxinfo->onlinetime, diag204tod - sysblk.todstart);
              STORE_DW(cpuxinfo->waittime, (diag204tod - sysblk.todstart) - tdis);

              STORE_HW(cpuxinfo->pmaweight,1000);
              STORE_HW(cpuxinfo->polarweight,1000);

              cpuxinfo += 1;
          }
#endif /*defined(FEATURE_PHYSICAL_DIAG204)*/

        regs->GR_L(r2) = 0;

        break;
#endif /*defined(FEATURE_EXTENDED_DIAG204)*/

    default:
        PTT(PTT_CL_ERR,"*DIAG204",regs->GR_L(r1),regs->GR_L(r2),regs->psw.IA_L);
        regs->GR_L(r2) = 4;

    } /*switch(regs->GR_L(r2))*/

} /* end function diag204_call */
Esempio n. 2
0
/*-------------------------------------------------------------------*/
void ARCH_DEP(perform_external_interrupt) (REGS *regs)
{
PSA    *psa;                            /* -> Prefixed storage area  */
U16     cpuad;                          /* Originating CPU address   */
#if defined(FEATURE_VM_BLOCKIO)
#if defined(FEATURE_ESAME)
RADR    servpadr;      /* Address of 64-bit block I/O interrupt */
#endif
U16     servcode;      /* Service Signal or Block I/O Interrupt code */
#endif /* defined(FEATURE_VM_BLOCKIO) */

    /* External interrupt if console interrupt key was depressed */
    if ( OPEN_IC_INTKEY(regs) && !SIE_MODE(regs) )
    {
        WRMSG (HHC00840, "I");

        /* Reset interrupt key pending */
        OFF_IC_INTKEY;

        /* Generate interrupt key interrupt */
        ARCH_DEP(external_interrupt) (EXT_INTERRUPT_KEY_INTERRUPT, regs);
    }

    /* External interrupt if malfunction alert is pending */
    if (OPEN_IC_MALFALT(regs))
    {
        /* Find first CPU which generated a malfunction alert */
        for (cpuad = 0; regs->malfcpu[cpuad] == 0; cpuad++)
        {
            if (cpuad >= sysblk.maxcpu)
            {
                OFF_IC_MALFALT(regs);
                return;
            }
        } /* end for(cpuad) */

// /*debug*/ logmsg (_("External interrupt: Malfuction Alert from CPU %d\n"),
// /*debug*/    cpuad);

        /* Reset the indicator for the CPU which was found */
        regs->malfcpu[cpuad] = 0;

        /* Store originating CPU address at PSA+X'84' */
        psa = (void*)(regs->mainstor + regs->PX);
        STORE_HW(psa->extcpad,cpuad);

        /* Reset emergency signal pending flag if there are
           no other CPUs which generated emergency signal */
        OFF_IC_MALFALT(regs);
        while (++cpuad < sysblk.maxcpu)
        {
            if (regs->malfcpu[cpuad])
            {
                ON_IC_MALFALT(regs);
                break;
            }
        } /* end while */

        /* Generate emergency signal interrupt */
        ARCH_DEP(external_interrupt) (EXT_MALFUNCTION_ALERT_INTERRUPT, regs);
    }


    /* External interrupt if emergency signal is pending */
    if (OPEN_IC_EMERSIG(regs))
    {
        /* Find first CPU which generated an emergency signal */
        for (cpuad = 0; regs->emercpu[cpuad] == 0; cpuad++)
        {
            if (cpuad >= sysblk.maxcpu)
            {
                OFF_IC_EMERSIG(regs);
                return;
            }
        } /* end for(cpuad) */

// /*debug*/ logmsg (_("External interrupt: Emergency Signal from CPU %d\n"),
// /*debug*/    cpuad);

        /* Reset the indicator for the CPU which was found */
        regs->emercpu[cpuad] = 0;

        /* Store originating CPU address at PSA+X'84' */
        psa = (void*)(regs->mainstor + regs->PX);
        STORE_HW(psa->extcpad,cpuad);

        /* Reset emergency signal pending flag if there are
           no other CPUs which generated emergency signal */
        OFF_IC_EMERSIG(regs);
        while (++cpuad < sysblk.maxcpu)
        {
            if (regs->emercpu[cpuad])
            {
                ON_IC_EMERSIG(regs);
                break;
            }
        } /* end while */

        /* Generate emergency signal interrupt */
        ARCH_DEP(external_interrupt) (EXT_EMERGENCY_SIGNAL_INTERRUPT, regs);
    }

    /* External interrupt if external call is pending */
    if (OPEN_IC_EXTCALL(regs))
    {
//  /*debug*/logmsg (_("External interrupt: External Call from CPU %d\n"),
//  /*debug*/       regs->extccpu);

        /* Reset external call pending */
        OFF_IC_EXTCALL(regs);

        /* Store originating CPU address at PSA+X'84' */
        psa = (void*)(regs->mainstor + regs->PX);
        STORE_HW(psa->extcpad,regs->extccpu);

        /* Generate external call interrupt */
        ARCH_DEP(external_interrupt) (EXT_EXTERNAL_CALL_INTERRUPT, regs);
    }

    /* External interrupt if TOD clock exceeds clock comparator */
    if ( tod_clock(regs) > regs->clkc
        && OPEN_IC_CLKC(regs) )
    {
        if (CPU_STEPPING_OR_TRACING_ALL)
        {
            WRMSG (HHC00841, "I");
        }
        ARCH_DEP(external_interrupt) (EXT_CLOCK_COMPARATOR_INTERRUPT, regs);
    }

    /* External interrupt if CPU timer is negative */
    if ( CPU_TIMER(regs) < 0
        && OPEN_IC_PTIMER(regs) )
    {
        if (CPU_STEPPING_OR_TRACING_ALL)
        {
            WRMSG (HHC00842, "I", CPU_TIMER(regs) << 8);
        }
        ARCH_DEP(external_interrupt) (EXT_CPU_TIMER_INTERRUPT, regs);
    }

    /* External interrupt if interval timer interrupt is pending */
#if defined(FEATURE_INTERVAL_TIMER)
    if (OPEN_IC_ITIMER(regs)
#if defined(_FEATURE_SIE)
        && !(SIE_STATB(regs, M, ITMOF))
#endif /*defined(_FEATURE_SIE)*/
        )
    {
        if (CPU_STEPPING_OR_TRACING_ALL)
        {
            WRMSG (HHC00843, "I");
        }
        OFF_IC_ITIMER(regs);
        ARCH_DEP(external_interrupt) (EXT_INTERVAL_TIMER_INTERRUPT, regs);
    }

#if defined(FEATURE_ECPSVM)
    if ( OPEN_IC_ECPSVTIMER(regs) )
    {
        OFF_IC_ECPSVTIMER(regs);
        ARCH_DEP(external_interrupt) (EXT_VINTERVAL_TIMER_INTERRUPT,regs);
    }
#endif /*FEATURE_ECPSVM*/
#endif /*FEATURE_INTERVAL_TIMER*/

    /* External interrupt if service signal is pending */
    if ( OPEN_IC_SERVSIG(regs) && !SIE_MODE(regs) )
    {

#if defined(FEATURE_VM_BLOCKIO)
        
        /* Note: Both Block I/O and Service Signal are enabled by the */
        /* the same CR0 bit.  Hence they are handled in the same code */
        switch(sysblk.servcode)
        {
        case EXT_BLOCKIO_INTERRUPT:  /* VM Block I/O Interrupt */

           if (sysblk.biodev->ccwtrace)
           {
           WRMSG (HHC00844, "I",
                SSID_TO_LCSS(sysblk.biodev->ssid),
                sysblk.biodev->devnum,
                sysblk.servcode,
                sysblk.bioparm,
                sysblk.biostat,
                sysblk.biosubcd
                );
           }

           servcode = EXT_BLOCKIO_INTERRUPT;

#if defined(FEATURE_ESAME)
/* Real address used to store the 64-bit interrupt parameter */
#define VM_BLOCKIO_INT_PARM 0x11B8
           if (sysblk.biosubcd == 0x07)
           {
           /* 8-byte interrupt parm */
           
               if (CPU_STEPPING_OR_TRACING_ALL)
               {
                  char buf[40];
                  MSGBUF(buf, "%16.16X", (unsigned) sysblk.bioparm);
                  WRMSG (HHC00845,"I", buf);
               }

               /* Set the main storage reference and change bits   */
               /* for 64-bit interruption parameter.               */
               /* Note: This is handled for the first 4K page in   */
               /* ARCH_DEP(external_interrupt), but not for the    */
               /* the second 4K page used for the 64-bit interrupt */
               /* parameter.                                       */

               /* Point to 2nd page of PSA in main storage */
               servpadr=APPLY_PREFIXING(VM_BLOCKIO_INT_PARM,regs->PX);

               STORAGE_KEY(servpadr, regs) 
                     |= (STORKEY_REF | STORKEY_CHANGE);

#if 0
               /* Store the 64-bit interrupt parameter */
               logmsg (_("Saving 64-bit Block I/O interrupt parm at "
                         "%16.16X: %16.16X\n"),
                         servpadr,
                         sysblk.bioparm
                      );
#endif

               STORE_DW(regs->mainstor + servpadr,sysblk.bioparm);
               psa = (void*)(regs->mainstor + regs->PX);
           }
           else
           {
#endif  /* defined(FEATURE_ESAME) */

           /* 4-byte interrupt parm */

              if (CPU_STEPPING_OR_TRACING_ALL)
              {
                 char buf[40];
                 MSGBUF(buf, "%8.8X", (U32) sysblk.bioparm);
                 WRMSG (HHC00845,"I", buf);
              }

              /* Store Block I/O parameter at PSA+X'80' */
              psa = (void*)(regs->mainstor + regs->PX);
              STORE_FW(psa->extparm,(U32)sysblk.bioparm);

#if defined(FEATURE_ESAME)
           }
#endif

           /* Store sub-interruption code and status at PSA+X'84' */
           STORE_HW(psa->extcpad,(sysblk.biosubcd<<8)|sysblk.biostat);
           
           /* Reset interruption data */
           sysblk.bioparm  = 0;
           sysblk.biosubcd = 0;
           sysblk.biostat  = 0;
           
           break;

        case EXT_SERVICE_SIGNAL_INTERRUPT: /* Service Signal */
        default:
             servcode = EXT_SERVICE_SIGNAL_INTERRUPT;
             
            /* Apply prefixing if the parameter is a storage address */
            if ( (sysblk.servparm & SERVSIG_ADDR) )
                sysblk.servparm =
                     APPLY_PREFIXING (sysblk.servparm, regs->PX);

             if (CPU_STEPPING_OR_TRACING_ALL)
             {
                 WRMSG (HHC00846,"I", sysblk.servparm);
             }

             /* Store service signal parameter at PSA+X'80' */
             psa = (void*)(regs->mainstor + regs->PX);
             STORE_FW(psa->extparm,sysblk.servparm);

        }  /* end switch(sysblk.servcode) */
        /* Reset service parameter */
        sysblk.servparm = 0;

        /* Reset service code */
        sysblk.servcode = 0;

        /* Reset service signal pending */
        OFF_IC_SERVSIG;

        /* Generate service signal interrupt */
        ARCH_DEP(external_interrupt) (servcode, regs);
             
#else /* defined(FEATURE_VM_BLOCKIO) */

        /* Apply prefixing if the parameter is a storage address */
        if ( (sysblk.servparm & SERVSIG_ADDR) )
            sysblk.servparm =
                APPLY_PREFIXING (sysblk.servparm, regs->PX);

        if (CPU_STEPPING_OR_TRACING_ALL)
        {
            WRMSG (HHC00846,"I", sysblk.servparm);
        }

        /* Store service signal parameter at PSA+X'80' */
        psa = (void*)(regs->mainstor + regs->PX);
        STORE_FW(psa->extparm,sysblk.servparm);

        /* Reset service parameter */
        sysblk.servparm = 0;

        /* Reset service signal pending */
        OFF_IC_SERVSIG;
        
        /* Generate service signal interrupt */
        ARCH_DEP(external_interrupt) (EXT_SERVICE_SIGNAL_INTERRUPT, regs);

#endif /* defined(FEATURE_VM_BLOCKIO) */

    }  /* end OPEN_IC_SERVSIG(regs) */

} /* end function perform_external_interrupt */