include/sys/svrctl.h

   1 /*
   2 sys/svrctl.h
   3
   4 Created:        Feb 15, 1994 by Philip Homburg <philip@cs.vu.nl>
   5 */
   6
   7 #ifndef _SYS__SVRCTL_H
   8 #define _SYS__SVRCTL_H
   9
  10 #include <sys/types.h>
  11
  12 /* Server control commands have the same encoding as the commands for ioctls. */
  13 #include <minix/ioctl.h>
  14
  15 /* PM controls. */
  16 #define PMGETPARAM      _IOW('M',  5, struct sysgetenv)
  17 #define PMSETPARAM      _IOR('M',  7, struct sysgetenv)
  18
  19 /* VFS controls */
  20 #define VFSSETPARAM     _IOR('M', 130, struct sysgetenv)
  21 #define VFSGETPARAM     _IOR('M', 131, struct sysgetenv)
  22
  23 struct sysgetenv {
  24         char            *key;           /* Name requested. */
  25         size_t          keylen;         /* Length of name including \0. */
  26         char            *val;           /* Buffer for returned data. */
  27         size_t          vallen;         /* Size of return data buffer. */
  28 };
  29
  30 int svrctl(int _request, void *_data);
  31
  32 #endif /* _SYS__SVRCTL_H */