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 _IOWR('P', 0, struct sysgetenv) 17 #define PMSETPARAM _IOW('P', 1, struct sysgetenv) 18 19 #define OPMGETPARAM _IOW('M', 5, struct sysgetenv) /* old, phasing out */ 20 #define OPMSETPARAM _IOR('M', 7, struct sysgetenv) /* old, phasing out */ 21 22 /* VFS controls */ 23 #define VFSGETPARAM _IOWR('F', 0, struct sysgetenv) 24 #define VFSSETPARAM _IOW('F', 1, struct sysgetenv) 25 26 struct sysgetenv { 27 char *key; /* Name requested. */ 28 size_t keylen; /* Length of name including \0. */ 29 char *val; /* Buffer for returned data. */ 30 size_t vallen; /* Size of return data buffer. */ 31 }; 32 33 int svrctl(unsigned long _request, void *_data); 34 35 #endif /* _SYS__SVRCTL_H */ 36