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Changeset 1996 for Whitix/trunk

Timestamp:

04/02/09 21:06:06 (3 years ago)

Author:

mwhitworth

Message:

Add KeBus code, with async bus scanning, bus entries, IcFs support etc..

Files:

r1051	r1996
	1	#ifndef KEDEV_BUS_H
	2	#define KEDEV_BUS_H
	3
	4	#include <completion.h>
	5	#include <keobject.h>
	6	#include <llist.h>
	7	#include <fs/icfs.h>
	8
	9	#define BUS_STARTING 0
	10	#define BUS_RUNNING 1
	11
	12	struct KeBus
	13	{
	14	struct ListHead deviceList;
	15	struct ListHead next, node;
	16	int index, state;
	17	struct KeBusType* busType;
	18
	19	/* Used in the startup code to wait for all initial bus scans to complete.
	20	* This does not mean all the devices have been linked with drivers (but
	21	* the devices that match to drivers have been). */
	22	struct Completion initialBusScan;
	23
	24	struct KeSet set;
	25	};
	26
	27	struct KeBusType
	28	{
	29	/* These members should be specified before calling KeBusTypeRegister */
	30	char* name;
	31
	32	struct IcAttribute* busEntryAttrs;
	33	int busEntryOffset;
	34
	35	/* Private members. */
	36	struct KeSet set;
	37
	38	/* List of all drivers that detect drivers on this bus type. */
	39	struct ListHead driverList;
	40
	41	/* List of all the KeBuses that are of this type. */
	42	struct ListHead busList;
	43	};
	44
	45	struct KeBusEntry
	46	{
	47	struct KeObject object;
	48	};
	49
	50	int KeBusTypeRegister(struct KeBusType* busType);
	51	int KeBusRegister(struct KeBusType* busType, struct KeBus* bus, int index);
	52	int KeBusEntryRegister(struct KeBus* bus, struct KeBusEntry* entry, char* name, ...);
	53	void KeBusStart(struct KeBus* bus);
	54
	55	#endif