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62 lines
1.1 KiB
C
62 lines
1.1 KiB
C
// The OS/K Team licenses this file to you under the MIT license.
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// See the LICENSE file in the project root for more information.
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#include <pc/arch.h>
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#define DEVLEN 32
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#define DEVSLOTS 256
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typedef long (*devfn_t)(ctx_t *, dev_t *);
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enum
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{
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DEVPWOF, // Power off
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DEVPLUG, // Unplugged or plugging
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DEVGOOD, // Plugged and working
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DEVFERR, // Fatal error
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};
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struct dev_t
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{
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dev_t *next;
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char type[DEVLEN];
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char name[DEVLEN];
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char modl[DEVLEN];
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char vend[DEVLEN];
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int major;
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int minor;
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int revis;
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ulong feats;
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long id;
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uint state;
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void *data;
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devfn_t fpwon;
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devfn_t fpwoff;
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devfn_t fplug;
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devfn_t funplug;
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devfn_t fslots[DEVSLOTS];
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};
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dev_t *devalloc(void);
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void devfree(dev_t *);
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dev_t *devget(ctx_t *, int);
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void devattach(ctx_t *, dev_t *);
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void devdetach(ctx_t *, dev_t *);
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int devinit(ctx_t *, dev_t *);
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int devfini(ctx_t *, dev_t *);
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int devinitall(ctx_t *);
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int devfiniall(ctx_t *);
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extern dev_t cpudev;
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