sys/src/sysgetsyi.c

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// _Id: sysgetsyi.c,v 1.7 2007-03-31 06:15:41 roart Exp $
// _Locker:  $

// Author. Roar Thronæs.

#include<linux/linkage.h>

#include<syidef.h>
#include<ssdef.h>
#include<misc.h>
#include<pridef.h>
#include<sbdef.h>
#include<starlet.h>
#include <exe_routines.h>
#include <sch_routines.h>

#include<linux/sched.h>

#include<linux/version.h>

extern struct _sb mysb;

asmlinkage int exe_getsyi(unsigned int efn, unsigned int *csidadr, void *nodename, void *itmlst, struct _iosb *iosb, void (*astadr)(), unsigned long astprm) {
  int sts;
  struct item_list_3 * it=itmlst;
  // no use of namcsid yet
  if (iosb) {
    // check iosb write access
    memset(iosb,0,sizeof(struct _iosb));
  }
  exe_clref(efn);
  // check ast quota
  // check all access in itemlist

  while (it->item_code) {
    switch (it->item_code) {
    case SYI__VERSION:
      memcpy(it->bufaddr, FREEVMS_RELEASE, strlen(FREEVMS_RELEASE));
      break;

    case SYI__SCSNODE:
      memcpy(it->bufaddr,&mysb.sb_t_nodename,15);
      break;

    case SYI__BOOTTIME:
      memcpy(it->bufaddr,&exe_gq_boottime,8);
      break;

    case SYI__MAXBUF:
      memcpy(it->bufaddr,&ioc_gw_maxbuf,sizeof(long));
      break;

    case SYI__LASTFLD:
      {
#ifdef CONFIG_VMS
        int mem=1;
#else
        int mem=0;
#endif
        memcpy(it->bufaddr,&mem,4);
      }
      break;

    default:
      printk("unrecognized syi\n");
      break;
    }
    it++;
  }

  struct _pcb * pcb = ctl_gl_pcb;
  sch_postef(pcb->pcb$l_pid, PRI$_NULL, efn);

  if (iosb)
    iosb->iosb_w_status=SS$_NORMAL;

  return SS__NORMAL;
}

asmlinkage int exe_getsyiw(unsigned int efn, unsigned int *csidadr, void *nodename, void *itmlst, struct _iosb *iosb, void (*astadr)(), unsigned long astprm) {
  int status=exe_getsyi(efn,csidadr,nodename,itmlst,iosb,astadr,astprm);
  if ((status&1)==0) return status;
  return exe_synch(efn,iosb);
}

asmlinkage int exe_getsyiw_wrap(struct struct_args * s) {
  return exe_getsyiw(s->s1,s->s2,s->s3,s->s4,s->s5,s->s6,s->s7);
}


asmlinkage int exe_getsyi_wrap(struct struct_args * s) {
  return exe_getsyi(s->s1,s->s2,s->s3,s->s4,s->s5,s->s6,s->s7);
}

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