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Hi,
I'd like to add IOCTLs to retrieve and set the speed status of an ATA device.
I have data defined for PATA and SATA, should I also add something for USB
(or others) ? If so, what ?

-- 
Manuel Bouyer <bouyer@antioche.eu.org>
     NetBSD: 26 ans d'experience feront toujours la difference
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struct atabusiosp_args {
	int type;      /* bus type (PATA, SATA, ...)
#define ATABUSIOSP_TYPE_PATA 0x00
#define ATABUSIOSP_TYPE_SATA 0x01
	union {
		struct _pata {
			/*
			 * current/wanted speed,
			 * -1 = not known/supported
			 */
			int pio_level;
			int dma_level;
			int udma_level;
		} pata;
		struct _sata {
			uint32_t sstatus; /* the sstatus register */
		} sata;
	} speed;
};

#define ATABUSIOGETSP	_IOR('A', 3, struct atabusiosp_args);
#define ATABUSIOSETSP	_IOR('A', 4, struct atabusiosp_args);

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