184 	ATA_IDNF		= (1 << 4),	/* ID not found */
556  * id tests
558 #define ata_id_is_ata(id)	(((id)[ATA_ID_CONFIG] & (1 << 15)) == 0)  argument
559 #define ata_id_has_lba(id)	((id)[ATA_ID_CAPABILITY] & (1 << 9))  argument
560 #define ata_id_has_dma(id)	((id)[ATA_ID_CAPABILITY] & (1 << 8))  argument
561 #define ata_id_has_ncq(id)	((id)[76] & (1 << 8))  argument
562 #define ata_id_queue_depth(id)	(((id)[ATA_ID_QUEUE_DEPTH] & 0x1f) + 1)  argument
563 #define ata_id_removeable(id)	((id)[ATA_ID_CONFIG] & (1 << 7))  argument
564 #define ata_id_has_atapi_AN(id)	\  argument
565 	( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \
566 	  ((id)[78] & (1 << 5)) )
567 #define ata_id_has_fpdma_aa(id)	\  argument
568 	( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \
569 	  ((id)[78] & (1 << 2)) )
570 #define ata_id_iordy_disable(id) ((id)[ATA_ID_CAPABILITY] & (1 << 10))  argument
571 #define ata_id_has_iordy(id) ((id)[ATA_ID_CAPABILITY] & (1 << 11))  argument
572 #define ata_id_u32(id,n)	\  argument
573 	(((u32) (id)[(n) + 1] << 16) | ((u32) (id)[(n)]))
574 #define ata_id_u64(id,n)	\  argument
575 	( ((u64) (id)[(n) + 3] << 48) |	\
576 	  ((u64) (id)[(n) + 2] << 32) |	\
577 	  ((u64) (id)[(n) + 1] << 16) |	\
578 	  ((u64) (id)[(n) + 0]) )
580 #define ata_id_cdb_intr(id)	(((id)[ATA_ID_CONFIG] & 0x60) == 0x20)  argument
582 static inline bool ata_id_has_hipm(const u16 *id)  in ata_id_has_hipm()  argument
584 	u16 val = id[76];  in ata_id_has_hipm()
592 static inline bool ata_id_has_dipm(const u16 *id)  in ata_id_has_dipm()  argument
594 	u16 val = id[78];  in ata_id_has_dipm()
603 static inline bool ata_id_has_fua(const u16 *id)  in ata_id_has_fua()  argument
605 	if ((id[ATA_ID_CFSSE] & 0xC000) != 0x4000)  in ata_id_has_fua()
607 	return id[ATA_ID_CFSSE] & (1 << 6);  in ata_id_has_fua()
610 static inline bool ata_id_has_flush(const u16 *id)  in ata_id_has_flush()  argument
612 	if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)  in ata_id_has_flush()
614 	return id[ATA_ID_COMMAND_SET_2] & (1 << 12);  in ata_id_has_flush()
617 static inline bool ata_id_flush_enabled(const u16 *id)  in ata_id_flush_enabled()  argument
619 	if (ata_id_has_flush(id) == 0)  in ata_id_flush_enabled()
621 	if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)  in ata_id_flush_enabled()
623 	return id[ATA_ID_CFS_ENABLE_2] & (1 << 12);  in ata_id_flush_enabled()
626 static inline bool ata_id_has_flush_ext(const u16 *id)  in ata_id_has_flush_ext()  argument
628 	if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)  in ata_id_has_flush_ext()
630 	return id[ATA_ID_COMMAND_SET_2] & (1 << 13);  in ata_id_has_flush_ext()
633 static inline bool ata_id_flush_ext_enabled(const u16 *id)  in ata_id_flush_ext_enabled()  argument
635 	if (ata_id_has_flush_ext(id) == 0)  in ata_id_flush_ext_enabled()
637 	if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)  in ata_id_flush_ext_enabled()
643 	return (id[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400;  in ata_id_flush_ext_enabled()
646 static inline u32 ata_id_logical_sector_size(const u16 *id)  in ata_id_logical_sector_size()  argument
652 	if ((id[ATA_ID_SECTOR_SIZE] & 0xd000) == 0x5000)  in ata_id_logical_sector_size()
653 		return (((id[ATA_ID_LOGICAL_SECTOR_SIZE+1] << 16)  in ata_id_logical_sector_size()
654 			 + id[ATA_ID_LOGICAL_SECTOR_SIZE]) * sizeof(u16)) ;  in ata_id_logical_sector_size()
658 static inline u8 ata_id_log2_per_physical_sector(const u16 *id)  in ata_id_log2_per_physical_sector()  argument
664 	if ((id[ATA_ID_SECTOR_SIZE] & 0xe000) == 0x6000)  in ata_id_log2_per_physical_sector()
665 		return (id[ATA_ID_SECTOR_SIZE] & 0xf);  in ata_id_log2_per_physical_sector()
678 static inline u16 ata_id_logical_sector_offset(const u16 *id,  in ata_id_logical_sector_offset()  argument
681 	u16 word_209 = id[209];  in ata_id_logical_sector_offset()
691 static inline bool ata_id_has_lba48(const u16 *id)  in ata_id_has_lba48()  argument
693 	if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)  in ata_id_has_lba48()
695 	if (!ata_id_u64(id, ATA_ID_LBA_CAPACITY_2))  in ata_id_has_lba48()
697 	return id[ATA_ID_COMMAND_SET_2] & (1 << 10);  in ata_id_has_lba48()
700 static inline bool ata_id_lba48_enabled(const u16 *id)  in ata_id_lba48_enabled()  argument
702 	if (ata_id_has_lba48(id) == 0)  in ata_id_lba48_enabled()
704 	if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)  in ata_id_lba48_enabled()
706 	return id[ATA_ID_CFS_ENABLE_2] & (1 << 10);  in ata_id_lba48_enabled()
709 static inline bool ata_id_hpa_enabled(const u16 *id)  in ata_id_hpa_enabled()  argument
712 	if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)  in ata_id_hpa_enabled()
715 	if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)  in ata_id_hpa_enabled()
718 	if ((id[ATA_ID_CFS_ENABLE_1] & (1 << 10)) == 0)  in ata_id_hpa_enabled()
720 	return id[ATA_ID_COMMAND_SET_1] & (1 << 10);  in ata_id_hpa_enabled()
723 static inline bool ata_id_has_wcache(const u16 *id)  in ata_id_has_wcache()  argument
726 	if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)  in ata_id_has_wcache()
728 	return id[ATA_ID_COMMAND_SET_1] & (1 << 5);  in ata_id_has_wcache()
731 static inline bool ata_id_has_pm(const u16 *id)  in ata_id_has_pm()  argument
733 	if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000)  in ata_id_has_pm()
735 	return id[ATA_ID_COMMAND_SET_1] & (1 << 3);  in ata_id_has_pm()
738 static inline bool ata_id_rahead_enabled(const u16 *id)  in ata_id_rahead_enabled()  argument
740 	if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)  in ata_id_rahead_enabled()
742 	return id[ATA_ID_CFS_ENABLE_1] & (1 << 6);  in ata_id_rahead_enabled()
745 static inline bool ata_id_wcache_enabled(const u16 *id)  in ata_id_wcache_enabled()  argument
747 	if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000)  in ata_id_wcache_enabled()
749 	return id[ATA_ID_CFS_ENABLE_1] & (1 << 5);  in ata_id_wcache_enabled()
754  *	@id: Identify data
765 static inline unsigned int ata_id_major_version(const u16 *id)  in ata_id_major_version()  argument
769 	if (id[ATA_ID_MAJOR_VER] == 0xFFFF)  in ata_id_major_version()
773 		if (id[ATA_ID_MAJOR_VER] & (1 << mver))  in ata_id_major_version()
778 static inline bool ata_id_is_sata(const u16 *id)  in ata_id_is_sata()  argument
786 	if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020)  in ata_id_is_sata()
791 static inline bool ata_id_has_tpm(const u16 *id)  in ata_id_has_tpm()  argument
794 	if (ata_id_major_version(id) < 8)  in ata_id_has_tpm()
796 	if ((id[48] & 0xC000) != 0x4000)  in ata_id_has_tpm()
798 	return id[48] & (1 << 0);  in ata_id_has_tpm()
801 static inline bool ata_id_has_dword_io(const u16 *id)  in ata_id_has_dword_io()  argument
804 	if (ata_id_major_version(id) > 7)  in ata_id_has_dword_io()
806 	return id[ATA_ID_DWORD_IO] & (1 << 0);  in ata_id_has_dword_io()
809 static inline bool ata_id_has_unload(const u16 *id)  in ata_id_has_unload()  argument
811 	if (ata_id_major_version(id) >= 7 &&  in ata_id_has_unload()
812 	    (id[ATA_ID_CFSSE] & 0xC000) == 0x4000 &&  in ata_id_has_unload()
813 	    id[ATA_ID_CFSSE] & (1 << 13))  in ata_id_has_unload()
818 static inline bool ata_id_has_wwn(const u16 *id)  in ata_id_has_wwn()  argument
820 	return (id[ATA_ID_CSF_DEFAULT] & 0xC100) == 0x4100;  in ata_id_has_wwn()
823 static inline int ata_id_form_factor(const u16 *id)  in ata_id_form_factor()  argument
825 	u16 val = id[168];  in ata_id_form_factor()
827 	if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff)  in ata_id_form_factor()
838 static inline int ata_id_rotation_rate(const u16 *id)  in ata_id_rotation_rate()  argument
840 	u16 val = id[217];  in ata_id_rotation_rate()
842 	if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff)  in ata_id_rotation_rate()
851 static inline bool ata_id_has_trim(const u16 *id)  in ata_id_has_trim()  argument
853 	if (ata_id_major_version(id) >= 7 &&  in ata_id_has_trim()
854 	    (id[ATA_ID_DATA_SET_MGMT] & 1))  in ata_id_has_trim()
859 static inline bool ata_id_has_zero_after_trim(const u16 *id)  in ata_id_has_zero_after_trim()  argument
862 	if (ata_id_has_trim(id) &&  in ata_id_has_zero_after_trim()
863 	    (id[ATA_ID_ADDITIONAL_SUPP] & 0x4020) == 0x4020)  in ata_id_has_zero_after_trim()
869 static inline bool ata_id_current_chs_valid(const u16 *id)  in ata_id_current_chs_valid()  argument
873 	   id[ATA_ID_CUR_CYLS] to id[ATA_ID_CUR_SECTORS] are vendor specific. */  in ata_id_current_chs_valid()
874 	return (id[ATA_ID_FIELD_VALID] & 1) && /* Current translation valid */  in ata_id_current_chs_valid()
875 		id[ATA_ID_CUR_CYLS] &&  /* cylinders in current translation */  in ata_id_current_chs_valid()
876 		id[ATA_ID_CUR_HEADS] &&  /* heads in current translation */  in ata_id_current_chs_valid()
877 		id[ATA_ID_CUR_HEADS] <= 16 &&  in ata_id_current_chs_valid()
878 		id[ATA_ID_CUR_SECTORS];    /* sectors in current translation */  in ata_id_current_chs_valid()
881 static inline bool ata_id_is_cfa(const u16 *id)  in ata_id_is_cfa()  argument
883 	if ((id[ATA_ID_CONFIG] == 0x848A) ||	/* Traditional CF */  in ata_id_is_cfa()
884 	    (id[ATA_ID_CONFIG] == 0x844A))	/* Delkin Devices CF */  in ata_id_is_cfa()
894 	return (id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004;  in ata_id_is_cfa()
897 static inline bool ata_id_is_ssd(const u16 *id)  in ata_id_is_ssd()  argument
899 	return id[ATA_ID_ROT_SPEED] == 0x01;  in ata_id_is_ssd()
902 static inline bool ata_id_pio_need_iordy(const u16 *id, const u8 pio)  in ata_id_pio_need_iordy()  argument
905 	if (pio > 4 && ata_id_is_cfa(id))  in ata_id_pio_need_iordy()
911 	return ata_id_has_iordy(id);  in ata_id_pio_need_iordy()
958 static inline bool ata_id_is_lba_capacity_ok(u16 *id)  in ata_id_is_lba_capacity_ok()  argument
963 	if (id[ATA_ID_CYLS] == 0)  in ata_id_is_lba_capacity_ok()
966 	lba_sects = ata_id_u32(id, ATA_ID_LBA_CAPACITY);  in ata_id_is_lba_capacity_ok()
974 	if ((id[ATA_ID_CYLS] == 16383 ||  in ata_id_is_lba_capacity_ok()
975 	     (id[ATA_ID_CYLS] == 4092 && id[ATA_ID_CUR_CYLS] == 16383)) &&  in ata_id_is_lba_capacity_ok()
976 	    id[ATA_ID_SECTORS] == 63 &&  in ata_id_is_lba_capacity_ok()
977 	    (id[ATA_ID_HEADS] == 15 || id[ATA_ID_HEADS] == 16) &&  in ata_id_is_lba_capacity_ok()
978 	    (lba_sects >= 16383 * 63 * id[ATA_ID_HEADS]))  in ata_id_is_lba_capacity_ok()
981 	chs_sects = id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * id[ATA_ID_SECTORS];  in ata_id_is_lba_capacity_ok()
993 		*(__le32 *)&id[ATA_ID_LBA_CAPACITY] = __cpu_to_le32(lba_sects);  in ata_id_is_lba_capacity_ok()
1000 static inline void ata_id_to_hd_driveid(u16 *id)  in ata_id_to_hd_driveid()  argument
1004 	id[ATA_ID_MAX_MULTSECT]	 = __cpu_to_le16(id[ATA_ID_MAX_MULTSECT]);  in ata_id_to_hd_driveid()
1005 	id[ATA_ID_CAPABILITY]	 = __cpu_to_le16(id[ATA_ID_CAPABILITY]);  in ata_id_to_hd_driveid()
1006 	id[ATA_ID_OLD_PIO_MODES] = __cpu_to_le16(id[ATA_ID_OLD_PIO_MODES]);  in ata_id_to_hd_driveid()
1007 	id[ATA_ID_OLD_DMA_MODES] = __cpu_to_le16(id[ATA_ID_OLD_DMA_MODES]);  in ata_id_to_hd_driveid()
1008 	id[ATA_ID_MULTSECT]	 = __cpu_to_le16(id[ATA_ID_MULTSECT]);  in ata_id_to_hd_driveid()
1011 	*(u32 *)&id[ATA_ID_LBA_CAPACITY] = ata_id_u32(id, ATA_ID_LBA_CAPACITY);  in ata_id_to_hd_driveid()
1012 	*(u32 *)&id[ATA_ID_SPG]		 = ata_id_u32(id, ATA_ID_SPG);  in ata_id_to_hd_driveid()
1015 	*(u64 *)&id[ATA_ID_LBA_CAPACITY_2] =  in ata_id_to_hd_driveid()
1016 		ata_id_u64(id, ATA_ID_LBA_CAPACITY_2);  in ata_id_to_hd_driveid()