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Commit 583661a8 authored by Shane Huang's avatar Shane Huang Committed by Jeff Garzik
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ata: define enum constants for IDENTIFY DEVICE 



Define enumeration constants for IDENTIFY DEVICE words.

Signed-off-by: default avatarShane Huang <shane.huang@amd.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 9973a1c3

include/linux/ata.h

+13 −8
Original line number Diff line number Diff line
@@ -77,6 +77,9 @@ enum { 
	ATA_ID_EIDE_PIO_IORDY	= 68,

	ATA_ID_ADDITIONAL_SUPP	= 69,

	ATA_ID_QUEUE_DEPTH	= 75,

	ATA_ID_SATA_CAPABILITY	= 76,

	ATA_ID_SATA_CAPABILITY_2	= 77,

	ATA_ID_FEATURE_SUPP	= 78,

	ATA_ID_MAJOR_VER	= 80,

	ATA_ID_COMMAND_SET_1	= 82,

	ATA_ID_COMMAND_SET_2	= 83,
@@ -558,15 +561,17 @@ static inline int ata_is_data(u8 prot) 
#define ata_id_is_ata(id)	(((id)[ATA_ID_CONFIG] & (1 << 15)) == 0)

#define ata_id_has_lba(id)	((id)[ATA_ID_CAPABILITY] & (1 << 9))

#define ata_id_has_dma(id)	((id)[ATA_ID_CAPABILITY] & (1 << 8))

#define ata_id_has_ncq(id)	((id)[76] & (1 << 8))

#define ata_id_has_ncq(id)	((id)[ATA_ID_SATA_CAPABILITY] & (1 << 8))

#define ata_id_queue_depth(id)	(((id)[ATA_ID_QUEUE_DEPTH] & 0x1f) + 1)

#define ata_id_removeable(id)	((id)[ATA_ID_CONFIG] & (1 << 7))

#define ata_id_has_atapi_AN(id)	\

	( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \

	  ((id)[78] & (1 << 5)) )

	((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \

	  ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \

	 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 5)))

#define ata_id_has_fpdma_aa(id)	\

	( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \

	  ((id)[78] & (1 << 2)) )

	((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \

	  ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \

	 ((id)[ATA_ID_FEATURE_SUPP] & (1 << 2)))

#define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10))

#define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11))

#define ata_id_u32(id,n)	\
@@ -578,11 +583,11 @@ static inline int ata_is_data(u8 prot) 
	  ((u64) (id)[(n) + 0]) )



#define ata_id_cdb_intr(id)	(((id)[ATA_ID_CONFIG] & 0x60) == 0x20)

#define ata_id_has_da(id)	((id)[77] & (1 << 4))

#define ata_id_has_da(id)	((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4))



static inline bool ata_id_has_hipm(const u16 *id)

{

	u16 val = id[76];

	u16 val = id[ATA_ID_SATA_CAPABILITY];



	if (val == 0 || val == 0xffff)

		return false;
@@ -592,7 +597,7 @@ static inline bool ata_id_has_hipm(const u16 *id) 


static inline bool ata_id_has_dipm(const u16 *id)

{

	u16 val = id[78];

	u16 val = id[ATA_ID_FEATURE_SUPP];



	if (val == 0 || val == 0xffff)

		return false;