osprey/linux/include/sys/syssgi.h

Go to the documentation of this file.

/*

  Copyright (C) 2000, 2001 Silicon Graphics, Inc.  All Rights Reserved.

  This program is free software; you can redistribute it and/or modify it
  under the terms of version 2 of the GNU General Public License as
  published by the Free Software Foundation.

  This program is distributed in the hope that it would be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  

  Further, this software is distributed without any warranty that it is
  free of the rightful claim of any third person regarding infringement 
  or the like.  Any license provided herein, whether implied or 
  otherwise, applies only to this software file.  Patent licenses, if 
  any, provided herein do not apply to combinations of this program with 
  other software, or any other product whatsoever.  

  You should have received a copy of the GNU General Public License along
  with this program; if not, write the Free Software Foundation, Inc., 59
  Temple Place - Suite 330, Boston MA 02111-1307, USA.

  Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
  Mountain View, CA 94043, or:

  http://www.sgi.com

  For further information regarding this notice, see:

  http://oss.sgi.com/projects/GenInfo/NoticeExplan

*/

#ifndef __SYSSGI_H__
#define __SYSSGI_H__

#ifdef __cplusplus
extern "C" {
#endif

#ident "$Revision: 1.1.1.1 $"

#include <sys/types.h>

/*
** syssgi() system call commands.
*/

#define SGI_SYSID   1 /* get the system ID */
#define SGI_BUFINFO   2 /* detailed buffer cache info */
#define SGI_TUNE_SET    3 /* change tune values --
            see sys/tuneable.h */
#define SGI_TUNE    SGI_TUNE_SET
#define SGI_IDBG    4 /* access to internal debugger */
#define SGI_INVENT    5 /* hardware inventory */
#define SGI_RDNAME    6 /* get name of process given pid */
#define SGI_SETLED    7 /* set cpu board led state(s) */
#define SGI_SETNVRAM    8 /* set nvram */
#define SGI_GETNVRAM    9 /* get nvram */
#define SGI_SETKOPT   10  /* call kopt_set */
#define SGI_QUERY_FTIMER        12
#define SGI_QUERY_CYCLECNTR 13

/* Other POSIX system calls */
#define SGI_SETSID    20
#define SGI_SETPGID   21
#define SGI_SYSCONF   22
#define SGI_PATHCONF    24


#define SGI_TITIMER   29  /* set [get] curthread itimer */

/* Block read & Block write system calls: to allow access to > 2 gig
 * of space on a disk or logical volume for large filesystems.
 */
#define SGI_READB 30
#define SGI_WRITEB  31

/* setgroups() and getgroups() system calls */
#define SGI_SETGROUPS 40
#define SGI_GETGROUPS 41

#define SGI_SETTIMEOFDAY  52  /* set time including microseconds */
#define SGI_SETTIMETRIM   53  /* change crystal trimmer */
#define SGI_GETTIMETRIM   54
#define SGI_SPROFIL   55  /* sprofil(2) entry point */
#define SGI_RUSAGE    56  /* Berkeley's getrusage(2) */
#define SGI_SIGSTACK    57  /* Berkeley's sigstack(2) */
#define SGI_NETPROC   59  /* start network process */
#define SGI_SIGALTSTACK   60  /* SVR4 sigaltstack(2) */
#define SGI_BDFLUSHCNT    61  /* schedule next bdflush run */
#define SGI_SSYNC   62  /* synchronous sync */
#define SGI_NFSCNVT   63  /* convert file handle to descriptor */
#define SGI_GETPGID             64      /* SVR4 getpgid */
#define SGI_GETSID              65      /* SVR4 getsid */
#define SGI_IOPROBE   66  /* I/O probing */
#define SGI_CONFIG    67  /* get configuration data */
#define SGI_ELFMAP    68  /* atomically mmap in an elf dso */
#define SGI_MCONFIG   69  /* loadable module configuration */

/*
 * Trusted IRIX system calls
 */
/* mandatory access (MAC) */
#define SGI_GETPLABEL   70  /* Get process label */
#define SGI_SETPLABEL   71  /* Set process label */
#define SGI_GETLABEL    72  /* Get file label -- SGI_MAC_GET */
#define SGI_SETLABEL    73  /* Set file label -- SGI_MAC_SET */
/* audit (SAT) */
#define SGI_SATREAD   74  /* Read audit rec from the kernel */
#define SGI_SATWRITE    75  /* Write audit rec to the kernel */
#define SGI_SATCTL    76  /* Control/query the audit stream */
/* extended attribute handling */
#define SGI_LOADATTR    77  /* Load attributes database */
#define SGI_UNLOADATTR    78  /* Unload attributes database */
/* trusted sockets */
#define SGI_RECVLUMSG   79  /* recvmsg() with label and uid */
/* more extended attribute handling */
#define SGI_PLANGMOUNT    80  /* mount() with PlanG info */
/* trusted sockets with DAC */
#define SGI_GETPSOACL   81  /* Get process socket ACL. */
#define SGI_SETPSOACL   82  /* Set process socket ACL.  */
/* still more extended attribute handling */
#define SGI_CAP_GET   83  /* Get capability set from file */
#define SGI_CAP_SET   84  /* Set capability set on file */
#define SGI_PROC_ATTR_GET 85  /* Get the named process attribute */
#define SGI_EAG_GETPROCATTR SGI_PROC_ATTR_GET /* Old Name */
#define SGI_PROC_ATTR_SET 86  /* Set the named process attributes */
#define SGI_EAG_SETPROCATTR SGI_PROC_ATTR_SET /* Old Name */
#define SGI_REVOKE    87  /* Revoke access to a device */
#define SGI_FREVOKE   SGI_REVOKE    /* Old Name */
#define SGI_ACL_GET   88  /* Get Access Control List(s) */
#define SGI_ACL_SET   89  /* Set Access Control List(s) */
#define SGI_MAC_GET   90  /* Get MAC Label */
#define SGI_MAC_SET   91  /* Set MAC Label */
#define SGI_RXEV_GET    92
/*
 * End of Trusted IRIX system calls
 */
#define SGI_SBE_GET_INFO        98      /* get SBE count on a mc3 board*/
#define SGI_SBE_CLR_INFO        99      /* clear SBE count on a mc3 board */
#define SGI_GET_EVCONF    102 /* Get the "evconfig" structure
           * built by the IP19 prom. */

#define SGI_MPCWAROFF   103 /* turn off libmpc WAR handling */
#define SGI_SET_AUTOPWRON 104 /* set auto power on time */
#define SGI_SPIPE   105 /* set stream pipe */
#define SGI_SYMTAB    106 /* get runtime symtab info */
#define SGI_SET_FP_PRECISE  107 /* set/clear precise FP exception mode*/
#define SGI_TOSSTSAVE   108 /* toss any saved pregions */
#define SGI_FDHI    109 /* return highest valid fd */
#define SGI_SET_CONFIG_SMM  110 /* set/clear sequential memory mode */
#define SGI_SET_FP_PRESERVE 111 /* preserve p_fpflags across exec */
#define SGI_MINRSS    112 /* minrss */
#define SGI_GRIO    113 /* guaranteed rate I/O */
#define SGI_XLV_SET_TAB   114 /* set incore logical volume config */
#define SGI_XLV_GET_TAB   115 /* get incore logical volume config */
#define SGI_GET_FP_PRECISE  116 /* get precise FP exception mode */
#define SGI_GET_CONFIG_SMM  117 /* get sequential memory mode */
#define SGI_FP_IMPRECISE_SUPP 118 /* does hw support imprecise mode? */
#define SGI_CONFIG_NSMM_SUPP  119 /* does hw support non-seq mem mode? */
          /* 120 and 121 are available */

/* Frame Scheduler Timestamping Control */
            
#define SGI_RT_TSTAMP_CREATE    122 /* create timestamping buffer for specific cpu */
#define SGI_RT_TSTAMP_DELETE    123 /* delete timestamping buffer */
#define SGI_RT_TSTAMP_START     124 /* start logging timestamps */
#define SGI_RT_TSTAMP_STOP      125 /* stop logging timestamps */
#define SGI_RT_TSTAMP_ADDR      126 /* get physical addr for timestamp buffer */
#define SGI_RT_TSTAMP_MASK      127 /* set tstamp mask */
#define SGI_RT_TSTAMP_EOB_MODE  128 /* set end-of-buffer action */
          
#define SGI_USE_FP_BCOPY  129 /* should bcopy/bzero use fp? */

#define SGI_GET_UST   130 /* get unadjusted system time value */

#define SGI_SPECULATIVE_EXEC  131 /* turn speculative execution on/off */

#define SGI_XLV_NEXT_RQST 132 /* wait for next xlv configuration
             request. */
#define SGI_XLV_ATTR_CURSOR 133 /* get cursor for xlv attributes */
#define SGI_XLV_ATTR_GET  134 /* get xlv attribute value */
#define SGI_XLV_ATTR_SET  135 /* set xlv attribute */

/* btool - code coverage - only used when compiled with -DBTOOL */
#define SGI_BTOOLSIZE   136
#define SGI_BTOOLGET    137
#define SGI_BTOOLREINIT   138

#define SGI_CREATE_UUID   139 /* create a DCE-defined UUID */

/* disable CSR_EXCEPT while in GL address space */
#define SGI_NOFPE   140 /* disable CSR_EXCEPT */

#define SGI_OLD_SOFTFP    141 /* use old (asm) softfp code */
#define SGI_FS_INUMBERS   142 /* xfs get inode number table */
#define SGI_FS_BULKSTAT   143 /* xfs get stat64 info in bulk */

/* more Frame Scheduler calls */
#define SGI_RT_TSTAMP_WAIT  144 /* wait for tstamp buffer to reach 2/3 watermark */
#define SGI_RT_TSTAMP_UPDATE    145     /* update fifo buffer head index */

/* things needed by xFS dump and xFS-based DMIG interfaces */
#define SGI_PATH_TO_HANDLE  146 /* get a file's file handle    */
#define SGI_PATH_TO_FSHANDLE  147 /* get a file's file system handle */
#define SGI_FD_TO_HANDLE  148 /* get an open file's file handle  */
#define SGI_OPEN_BY_HANDLE  149 /* open a file given a file handle */
#define SGI_READLINK_BY_HANDLE  150 /* read a link using a file handle */

#define SGI_READ_DANGID   151 /* Probe for Dang existance */

/* Sizing constants used by kmem readers */
#define SGI_CONST   152 /* System sizing constants */
#define SGI_XFS_FSOPERATIONS  153 /* entry of xfs extended operations */


/* Extended accounting functions */
#define SGI_SETASH    154 /* set array session handle */
#define SGI_GETASH    155 /* get array session handle */
#define SGI_SETPRID   156 /* set project ID */
#define SGI_GETPRID   157 /* get project ID */
#define SGI_SETSPINFO   158 /* set service provider info */
#define SGI_GETSPINFO   159 /* get service provider info */
#define SGI_SHAREII   160 /* ShareII product syscall */
#define SGI_NEWARRAYSESS  161 /* start new array session */
#define SGI_GETDFLTPRID   162 /* get system default project ID */
#define SGI_SET_DISMISSED_EXC_CNT 163 /* set dismissed exception count */
#define SGI_GET_DISMISSED_EXC_CNT 164 /* get dismissed exception count */
/* More cycle counter support */
#define SGI_CYCLECNTR_SIZE  165 /* Size user needs to use to read CC */
#define SGI_QUERY_FASTTIMER 166 /* period of fast itimers in ns */
#define SGI_PIDSINASH   167 /* List PIDs in given array session */
#define SGI_ULI     168

#define SGI_CACHEFS_SYS   171   /* CacheFS system call */
#define SGI_NFSNOTIFY   172   /* lockd client/server failure */
#define SGI_LOCKDSYS    173   /* set lockd options & client name */

/*
 * Performance monitoring calls
 */
#define SGI_EVENTCTR            174
#define SGI_GETPRUSAGE          175

#define SGI_PROCMASK_LOCATION 176

#define SGI_CKPT_SYS    178     /* checkpoint/restart system call */
#define SGI_GETGRPPID   179     /* return a list of pids for a given group */
#define SGI_GETSESPID   180     /* return a list of pids for a given session */

#define SGI_ENUMASHS    181 /* return a list of all active ASHs */
#define SGI_SETASMACHID   182 /* set array machine ID */
#define SGI_GETASMACHID   183 /* get array machine ID */
#define SGI_GETARSESS   184 /* retrieve arsess info */
#define SGI_JOINARRAYSESS 185 /* join existing array session */

#define SGI_DBA_CONFIG    187 /* DBA: get/set database accelerator */
          /* features */


/* similar to uname() system call, but returns "official name" for hardware
 * specific releases from the base release.  Takes a count and pointer
 * to a buffer in which to place the name.  name will be no more than 256
 * characters.
*/
#define SGI_RELEASE_NAME  188

/* return handler to synchronize icache with dcache */
#define SGI_SYNCH_CACHE_HANDLER 189
#define SGI_SWASH_INIT    190 /* SoftWindows Address Space Helper */


/*
 * These calls are to support multiple serial numbers for systems built from
 *  SN0/SN0 modules.
*/

#define SGI_NUM_MODULES   191
#define SGI_MODULE_INFO   192

/*
 * Return information about an execution context (uproc, uthread, sthread,
 * ithread, etc.).  These are currently for internal use only.  They may be
 * replaced by a completely new context information facility.
 */
#define SGI_GET_CONTEXT_NAME  193 /* return name */
#define SGI_GET_CONTEXT_INFO  194 /* reserved */

/*
 * Partition management.
 */
#define SGI_PART_OPERATIONS 195 /* Partition management support */

/*
 * Swap control
 */
#define SGI_EARLY_ADD_SWAP  197 /* Used to add swap early in boot */

/*
 * Numa Memory Management
 */

#define SGI_NUMA_MIGR_PAGE  200 /* migrate a page */
#define SGI_NUMA_MIGR_PAGE_ALT  201 /* migrate a page of other processes */

#define SGI_KAIO_USERINIT 202 /* DBA: kernel asyncio process initialization */
#define SGI_KAIO_READ   203 /* DBA: kernel asyncio read request */
#define SGI_KAIO_WRITE    204 /* DBA: kernel asyncio write request */
#define SGI_KAIO_SUSPEND  205 /* DBA: kernel asyncio nap till N I/Os complete */
/*#define SGI_KAIO_STATS  206*/ /* use (SGI_DBA_GETSTATS,dba_stat_t *buf,sz,-1) */
#define SGI_DBA_GETSTATS  206 /* database accelerator stats (see 232)*/

/*
 * syscall to get the auxlliary info for a device
 */
#define SGI_IO_SHOW_AUX_INFO  207

#define SGI_PMOCTL    208     /* policy control */

#define SGI_ALLOCSHARENA  209 /* allocate shared arena & pin pages */
#define SGI_SETVPID   210 /* set vpid in proc structure      */
#define SGI_GETVPID   211 /* get vpid in proc structure      */

/*
 * Tune NUMA migration related parameters
 */
#define SGI_NUMA_TUNE           212

#define SGI_ERROR_FORCE   214 /* Error injection for kernel testing*/

/* numa statictics */
#define SGI_NUMA_STATS_GET      218

/*
 * syscall for data pipe file system pipe end 
 */
#define SGI_DPIPE_FSPE_BIND     219     /* bind a scatter gather list with
             a (pipe_id, transfer_id) pair. */

#define SGI_DYIELD    220 /* Yield processor to specified process */
#define SGI_TUNE_GET    221 /* Get tuneable value */
#define SGI_CHPROJ    222 /* chproj - project id of an inode */
#define SGI_LCHPROJ   223 /* lchproj */
#define SGI_FCHPROJ   224 /* fchproj */

#define SGI_ARSESS_CTL    225 /* Global array session controls */
#define SGI_ARSESS_OP   226 /* Array session operation */

/* setup fault handler to make a vaddr range fetchopable */
#define SGI_FETCHOP_SETUP       227

#define SGI_FS_BULKSTAT_SINGLE  228 /* xfs get stat64 info for 1 inode */

#define SGI_WRITE_IP32_FLASH    230 /* write IP32 prom image */

#define SGI_ROUTERSTATS_ENABLED 231     /* access to state of 
             gather_craylink_routerstats */

#define SGI_DBA_CLRSTATS  232 /* database accelerator stats (see 206)*/
#define SGI_IPC_AUTORMID_SHM  233 /* is IPC_AUTORMID for shm present? */

#define SGI_IS_DEBUG_KERNEL 300 /* is this a debug kernel? */
#define SGI_IS_TRAPLOG_DEBUG_KERNEL 301 /* is this a TRAPLOG debug kernel? */

#define SGI_POKE    320 /* kernel mode poke DEBUG only */
#define SGI_PEEK    321 /* kernel mode peek DEBUG only */

#define SGI_XLV_INDUCE_IO_ERROR   350  /* insert an I/O error at random 
            into XLV. This is used in XFS
            error handling testing. */
#define SGI_XLV_UNINDUCE_IO_ERROR 351
#define SGI_DKSC_INDUCE_IO_ERROR  352
#define SGI_DKSC_UNINDUCE_IO_ERROR  353

/*
 * enable/disable up to XFS_NUM_INJECT_ERROR (10) tests in the kernel
 * that will be failed the next time they're hit.  The first two take
 * one extra parameter, the tag of the error to be enabled/disabled and
 * return 1 if successful and 0 if not.
 * The third (clearall) takes no extra parameters and returns nothing.
 */
#define SGI_XFS_INJECT_ERROR  360
#define SGI_XFS_CLEAR_ERROR 361
#define SGI_XFS_CLEARALL_ERROR  362

#define SGI_XFS_MAKE_SHARED_RO  363 /* mark an XFS filesystem as */
          /* a shared read-only filesystem */
          /* on the next unmount */
#define SGI_XFS_CLEAR_SHARED_RO 364 /* will undo above operation if */
          /* called *before* the filesystem */
          /* is unmounted */

#define SGI_FO_DUMP             400
#define SGI_FO_SWITCH           401
#define SGI_NOHANG    402 /* don't hang on NFS servers */
#define SGI_UNFS    403 /* unwedge NFS at exit */


#define SGI_ATTR_LIST_BY_HANDLE 404 /* attr_list syscall using file handle */
#define SGI_ATTR_MULTI_BY_HANDLE 405  /* attr_multi syscall using a file handle */
#define SGI_FSSETDM_BY_HANDLE 406 /* set DMAPI attributes by handle */

#define SGI_PHYSP   1011  /* get phys pgno for vaddr */

/*
 * kernel threads temporary
 */
#define SGI_KTHREAD   1012

/*
 * Special (sgi use only) diagnostic interfaces
 */
#define SGI_FLUSH_ICACHE  1015  /* (sgi use only) flush icache for diagnostics */

/*reserved      1020*/

/*
 * Allocate a large page.
 */
#define SGI_DEBUGLPAGE    1030

/*
 * Map the address space of a process to a different page size.
 */
#define SGI_MAPLPAGE    1031


#ifdef DEBUG
#define SGI_MUTEX_TEST     1040
#define SGI_MUTEX_TEST_INIT  1041
#define SGI_MUTEX_TESTER_INIT  1042
#endif

/*
 * Miser test syssgi calls.
 */
#define SGI_CREATE_MISER_POOL 1043
#define SGI_CREATE_MISER_JOB  1044
#define SGI_MISER_CRITICAL  1045

/*
 * Context switch testing
 */
#define SGI_CONTEXT_SWITCH   1046
#define SGI_MRLOCK_TEST_INIT  1047
#define SGI_MRLOCK_TEST_RLOCK 1048

/*
 * Kmem zone perf. test call and other shaked test hooks.
 */
#define SGI_KMEM_TEST   1051
#define SGI_SHAKE_ZONES   1052  /* Shake a zone */

/*
 * CA UniCenter entry point.
 */
#define SGI_UNICENTER   1053


/*
 * Cell entry point.
 */
#define SGI_CELL    1060

/* SGI_CELL suboptions */
enum {
  SGI_IS_OS_CELLULAR ,     /* OS cellular or not */
  SGI_CELL_PID_TO_CELLID, /* cell a proc is running on */
  SGI_CELL_OBJ_EVICT, /* evict an object */
  SGI_LEAVE_MEMBERSHIP, /* Cell leaves a membership */  
  SGI_SEND_TEST_MESG, /* Send a test message to a given cell*/
  SGI_FAIL_CELL,    /* Cell commits suicdie */  
  SGI_MEMBERSHIP_STATS ,  /* cell membership statistics */
  SGI_MESG_STATS         /* inter cell message statistice */
};

/* suboptions for SGI_MESG_STATS */
enum {
  SGI_RESET_COUNT , /* Reset message statistice */
  SGI_REPORT_MESSAGE_COUNT, /* Report message count */
  SGI_REPORT_MESSAGE_STATS, /* Report message statistics */
  SGI_REPORT_MESSAGESIZE_COUNT , /*Reports message size counts */
  SGI_REPORT_MESSAGESIZE_STATS /*Report message size statistice */
};


/* 
 * 1100 - 1110 are reserved for NUMA Memory Management tests
 */

/* testing hooks for NUMA simulation on Everest */
#define SGI_NUMA_MIGR_INT_VADDR  1100
#define SGI_NUMA_MIGR_INT_PFN  1101
#define SGI_NUMA_PAGEMIGR_TEST   1102
#define SGI_NUMA_TESTS           1103
#define SGI_NUMA_RESERVED        1104

#define SGI_MEMPROF_START        1105
#define SGI_MEMPROF_GET          1106
#define SGI_MEMPROF_CLEARALL     1107
#define SGI_MEMPROF_STOP         1108

#define SGI_HW_CPU_CONFREG   1200
#define SGI_UPANIC_SET     1201
#define SGI_UPANIC         1202

/* Flags needed for SGI_NUMA_PAGEMIGR_TEST syscall */
#define VA_PROC 0
#define VA_INTR 1
#define PA_PROC 2
#define PA_INTR 3

/*
 * kernel pathconf() must know whether called by fpathconf or 
 * pathconf--i.e how to interpret the 1st parameter.  (It is not
 * currently used at all, but may be in the future.)
 */
#define PATHCONF  1
#define FPATHCONF 2


#define GET_SYSID SGI_SYSID /* compatability */
#define MAXSYSIDSIZE  64  /* maximum size in bytes of the system id   */

/* hardware inventory options */
#define SGI_INV_SIZEOF  1 /* get sizeof inventory struct */
#define SGI_INV_READ  2 /* read inventory table */

/* configuration data options */
#define ADAP_READ   1
#define ADD_NODE    2
#define DELETE_NODE   3
#define GET_NODE    4

/* IO probe directions */
#define IOPROBE_READ  0
#define IOPROBE_WRITE 1

/* nvram options */
#define SGI_NVSTRSIZE 4096  /* Fru output buf 3K, need at least this*/

/* SGI_MINRSS options */
#define MINRSS_ADDPNAME   1
#define MINRSS_DELPNAME   2
#define MINRSS_LISTPNAME  3
#define MINRSS_ADDVNODE   4
#define MINRSS_DELVNODE   5
#define MINRSS_LISTVNODE  6
/* struct for LISTPNAME */
#define MINRSS_PNAMESZ    20

typedef long pgno_t; /* added for rehosting - sunchan */

struct getpname {
  char g_name[MINRSS_PNAMESZ];
  pgno_t g_minrss;
};
/* struct for LISTVNODE */
struct getvnode {
  dev_t g_fsid;
  ino_t g_nodeid;
  pgno_t g_minrss;
};

#ifdef _KERNEL
struct irix5_getvnode {
  __int32_t g_fsid;
  __uint32_t g_nodeid;
  __int32_t g_minrss;
};
#endif

/* EXTENDED MEMORY operations (though sgifastpath syscall)
 * Intended to be used by the HIPPI controller to provide a fastpath for
 * low latency memory operations.  Device driver will specify a range of
 * addresses which the user can read/write using the following syssgi calls.
 */
#define SGIFAST_PIOMEM_BREAD32  0 /* extended memory block read */
#define SGIFAST_PIOMEM_BWRITE32 1 /* extended memory block write */
#define SGIFAST_PIOMEM_NULL 2 /* extended memory NOP */

/*
 * SGI_CONST parameters
 */
#define SGICONST_MBUF   1 /* Mbuf */
#define SGICONST_PTE    2 /* Pte */
#define SGICONST_PAGESZ   3 /* _PAGESZ */
#define SGICONST_PARAM    4 /* Param */

/* SGI_ULI options */
enum {
    /* These options are used from the top half of a process, i.e. they
     * are ordinary system calls
     */

    ULI_SLEEP,
    ULI_DEBUG,
    ULI_SET_DEBUG_SIG,

    /* These options are used from the bottom half of the process, i.e.
     * they are interrupt mode calls
     */

    ULI_RETURN,
    ULI_CPUID,
    ULI_WAKEUP,
    ULI_CONWRITE,

    ULI_MAXCALL
};

/*
 * SGI_PROCMASK_LOCATION options
 */
#define USER_LEVEL  1
#define KERNEL_LEVEL  2

#if defined(_LANGUAGE_C) || defined(_LANGUAGE_C_PLUS_PLUS)
#ifndef _KERNEL
#include <stddef.h>
extern ptrdiff_t syssgi(int, ...);
#endif /* !_KERNEL */
#endif

#if _KERNEL
#include <sys/systm.h>

struct syssgia {
  sysarg_t cmd;
  sysarg_t arg1, arg2, arg3, arg4, arg5, arg6, arg7;
};

extern int syssgi(struct syssgia *, rval_t *);

/* procscan parameters for findash */
struct findashinfo {
  ash_t ash;
  pid_t *useraddr;
  int usermax;
  int count;
  int current;
  int errno;
};
#endif  /* _KERNEL */

#ifdef __cplusplus
}
#endif
#endif /* __SYSSGI_H__ */

---