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