minix/include/sys/svrctl.h

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/*
sys/svrctl.h
Created: Feb 15, 1994 by Philip Homburg <philip@cs.vu.nl>
*/
#ifndef _SYS__SVRCTL_H
#define _SYS__SVRCTL_H
#ifndef _TYPES_H
#include <sys/types.h>
#endif
/* Server control commands have the same encoding as the commands for ioctls. */
#include <minix/ioctl.h>
/* MM controls. */
#define MMSIGNON _IO ('M', 4)
#define MMSWAPON _IOW('M', 5, struct mmswapon)
#define MMSWAPOFF _IO ('M', 6)
#define MMGETPARAM _IOW('M', 5, struct sysgetenv)
#define MMSETPARAM _IOR('M', 7, struct sysgetenv)
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/* FS controls. */
#define FSSIGNON _IOW('F', 2, struct fssignon)
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#define FSDEVUNMAP _IOW('F', 6, struct fsdevunmap)
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/* Kernel controls. */
#define SYSSENDMASK _IO ('S', 4)
#define SYSSIGNON _IOR('S', 2, struct systaskinfo)
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#define SYSGETENV _IOW('S', 1, struct sysgetenv)
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struct mmswapon {
u32_t offset; /* Starting offset within file. */
u32_t size; /* Size of swap area. */
char file[128]; /* Name of swap file/device. */
};
struct svrqueryparam {
char *param; /* Names of parameters to query. */
size_t psize; /* Length of param[]. */
char *value; /* To return values. */
size_t vsize;
};
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/* A proper system call must be created later. */
#include <minix/dmap.h>
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struct fssignon {
dev_t dev; /* Device to manage. */
enum dev_style style; /* Management style. */
};
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struct fsdevunmap {
dev_t dev; /* Device to unmap. */
};
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struct systaskinfo {
int proc_nr; /* Process number of caller. */
};
struct sysgetenv {
char *key; /* Name requested. */
size_t keylen; /* Length of name including \0. */
char *val; /* Buffer for returned data. */
size_t vallen; /* Size of return data buffer. */
};
_PROTOTYPE( int svrctl, (int _request, void *_data) );
#endif /* _SYS__SVRCTL_H */