diff options
Diffstat (limited to 'include/linux/ata.h')
| -rw-r--r-- | include/linux/ata.h | 155 |
1 files changed, 33 insertions, 122 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h index 6e67aded28f8..792e10a09787 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -13,10 +13,9 @@ #ifndef __LINUX_ATA_H__ #define __LINUX_ATA_H__ -#include <linux/kernel.h> +#include <linux/bits.h> #include <linux/string.h> #include <linux/types.h> -#include <asm/byteorder.h> /* defines only for the constants which don't work well as enums */ #define ATA_DMA_BOUNDARY 0xffffUL @@ -323,14 +322,21 @@ enum { ATA_LOG_SATA_NCQ = 0x10, ATA_LOG_NCQ_NON_DATA = 0x12, ATA_LOG_NCQ_SEND_RECV = 0x13, + ATA_LOG_CDL = 0x18, + ATA_LOG_CDL_SIZE = ATA_SECT_SIZE, ATA_LOG_IDENTIFY_DEVICE = 0x30, + ATA_LOG_SENSE_NCQ = 0x0F, + ATA_LOG_SENSE_NCQ_SIZE = ATA_SECT_SIZE * 2, + ATA_LOG_CONCURRENT_POSITIONING_RANGES = 0x47, /* Identify device log pages: */ + ATA_LOG_SUPPORTED_CAPABILITIES = 0x03, + ATA_LOG_CURRENT_SETTINGS = 0x04, ATA_LOG_SECURITY = 0x06, ATA_LOG_SATA_SETTINGS = 0x08, ATA_LOG_ZONED_INFORMATION = 0x09, - /* Identify device SATA settings log:*/ + /* Identify device SATA settings log: */ ATA_LOG_DEVSLP_OFFSET = 0x30, ATA_LOG_DEVSLP_SIZE = 0x08, ATA_LOG_DEVSLP_MDAT = 0x00, @@ -415,6 +421,8 @@ enum { SETFEATURES_SATA_ENABLE = 0x10, /* Enable use of SATA feature */ SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */ + SETFEATURES_CDL = 0x0d, /* Enable/disable cmd duration limits */ + /* SETFEATURE Sector counts for SATA features */ SATA_FPDMA_OFFSET = 0x01, /* FPDMA non-zero buffer offsets */ SATA_FPDMA_AA = 0x02, /* FPDMA Setup FIS Auto-Activate */ @@ -425,6 +433,7 @@ enum { SATA_DEVSLP = 0x09, /* Device Sleep */ SETFEATURE_SENSE_DATA = 0xC3, /* Sense Data Reporting feature */ + SETFEATURE_SENSE_DATA_SUCC_NCQ = 0xC4, /* Sense Data for successful NCQ commands */ /* feature values for SET_MAX */ ATA_SET_MAX_ADDR = 0x00, @@ -565,6 +574,18 @@ struct ata_bmdma_prd { ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ ((id)[ATA_ID_FEATURE_SUPP] & (1 << 2))) +#define ata_id_has_devslp(id) \ + ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ + ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ + ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8))) +#define ata_id_has_ncq_autosense(id) \ + ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ + ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ + ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7))) +#define ata_id_has_dipm(id) \ + ((((id)[ATA_ID_SATA_CAPABILITY] != 0x0000) && \ + ((id)[ATA_ID_SATA_CAPABILITY] != 0xffff)) && \ + ((id)[ATA_ID_FEATURE_SUPP] & (1 << 3))) #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) \ @@ -577,9 +598,6 @@ struct ata_bmdma_prd { #define ata_id_cdb_intr(id) (((id)[ATA_ID_CONFIG] & 0x60) == 0x20) #define ata_id_has_da(id) ((id)[ATA_ID_SATA_CAPABILITY_2] & (1 << 4)) -#define ata_id_has_devslp(id) ((id)[ATA_ID_FEATURE_SUPP] & (1 << 8)) -#define ata_id_has_ncq_autosense(id) \ - ((id)[ATA_ID_FEATURE_SUPP] & (1 << 7)) static inline bool ata_id_has_hipm(const u16 *id) { @@ -591,17 +609,6 @@ static inline bool ata_id_has_hipm(const u16 *id) return val & (1 << 9); } -static inline bool ata_id_has_dipm(const u16 *id) -{ - u16 val = id[ATA_ID_FEATURE_SUPP]; - - if (val == 0 || val == 0xffff) - return false; - - return val & (1 << 3); -} - - static inline bool ata_id_has_fua(const u16 *id) { if ((id[ATA_ID_CFSSE] & 0xC000) != 0x4000) @@ -616,15 +623,6 @@ static inline bool ata_id_has_flush(const u16 *id) return id[ATA_ID_COMMAND_SET_2] & (1 << 12); } -static inline bool ata_id_flush_enabled(const u16 *id) -{ - if (ata_id_has_flush(id) == 0) - return false; - if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) - return false; - return id[ATA_ID_CFS_ENABLE_2] & (1 << 12); -} - static inline bool ata_id_has_flush_ext(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) @@ -632,19 +630,6 @@ static inline bool ata_id_has_flush_ext(const u16 *id) return id[ATA_ID_COMMAND_SET_2] & (1 << 13); } -static inline bool ata_id_flush_ext_enabled(const u16 *id) -{ - if (ata_id_has_flush_ext(id) == 0) - return false; - if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) - return false; - /* - * some Maxtor disks have bit 13 defined incorrectly - * so check bit 10 too - */ - return (id[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400; -} - static inline u32 ata_id_logical_sector_size(const u16 *id) { /* T13/1699-D Revision 6a, Sep 6, 2008. Page 128. @@ -699,15 +684,6 @@ static inline bool ata_id_has_lba48(const u16 *id) return id[ATA_ID_COMMAND_SET_2] & (1 << 10); } -static inline bool ata_id_lba48_enabled(const u16 *id) -{ - if (ata_id_has_lba48(id) == 0) - return false; - if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) - return false; - return id[ATA_ID_CFS_ENABLE_2] & (1 << 10); -} - static inline bool ata_id_hpa_enabled(const u16 *id) { /* Yes children, word 83 valid bits cover word 82 data */ @@ -770,16 +746,21 @@ static inline bool ata_id_has_read_log_dma_ext(const u16 *id) static inline bool ata_id_has_sense_reporting(const u16 *id) { - if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) + if (!(id[ATA_ID_CFS_ENABLE_2] & BIT(15))) + return false; + if ((id[ATA_ID_COMMAND_SET_3] & (BIT(15) | BIT(14))) != BIT(14)) return false; - return id[ATA_ID_COMMAND_SET_3] & (1 << 6); + return id[ATA_ID_COMMAND_SET_3] & BIT(6); } static inline bool ata_id_sense_reporting_enabled(const u16 *id) { - if (!(id[ATA_ID_CFS_ENABLE_2] & (1 << 15))) + if (!ata_id_has_sense_reporting(id)) + return false; + /* ata_id_has_sense_reporting() == true, word 86 must have bit 15 set */ + if ((id[ATA_ID_COMMAND_SET_4] & (BIT(15) | BIT(14))) != BIT(14)) return false; - return id[ATA_ID_COMMAND_SET_4] & (1 << 6); + return id[ATA_ID_COMMAND_SET_4] & BIT(6); } /** @@ -1044,76 +1025,6 @@ static inline bool atapi_id_dmadir(const u16 *dev_id) return ata_id_major_version(dev_id) >= 7 && (dev_id[62] & 0x8000); } -/* - * ata_id_is_lba_capacity_ok() performs a sanity check on - * the claimed LBA capacity value for the device. - * - * Returns 1 if LBA capacity looks sensible, 0 otherwise. - * - * It is called only once for each device. - */ -static inline bool ata_id_is_lba_capacity_ok(u16 *id) -{ - unsigned long lba_sects, chs_sects, head, tail; - - /* No non-LBA info .. so valid! */ - if (id[ATA_ID_CYLS] == 0) - return true; - - lba_sects = ata_id_u32(id, ATA_ID_LBA_CAPACITY); - - /* - * The ATA spec tells large drives to return - * C/H/S = 16383/16/63 independent of their size. - * Some drives can be jumpered to use 15 heads instead of 16. - * Some drives can be jumpered to use 4092 cyls instead of 16383. - */ - if ((id[ATA_ID_CYLS] == 16383 || - (id[ATA_ID_CYLS] == 4092 && id[ATA_ID_CUR_CYLS] == 16383)) && - id[ATA_ID_SECTORS] == 63 && - (id[ATA_ID_HEADS] == 15 || id[ATA_ID_HEADS] == 16) && - (lba_sects >= 16383 * 63 * id[ATA_ID_HEADS])) - return true; - - chs_sects = id[ATA_ID_CYLS] * id[ATA_ID_HEADS] * id[ATA_ID_SECTORS]; - - /* perform a rough sanity check on lba_sects: within 10% is OK */ - if (lba_sects - chs_sects < chs_sects/10) - return true; - - /* some drives have the word order reversed */ - head = (lba_sects >> 16) & 0xffff; - tail = lba_sects & 0xffff; - lba_sects = head | (tail << 16); - - if (lba_sects - chs_sects < chs_sects/10) { - *(__le32 *)&id[ATA_ID_LBA_CAPACITY] = __cpu_to_le32(lba_sects); - return true; /* LBA capacity is (now) good */ - } - - return false; /* LBA capacity value may be bad */ -} - -static inline void ata_id_to_hd_driveid(u16 *id) -{ -#ifdef __BIG_ENDIAN - /* accessed in struct hd_driveid as 8-bit values */ - id[ATA_ID_MAX_MULTSECT] = __cpu_to_le16(id[ATA_ID_MAX_MULTSECT]); - id[ATA_ID_CAPABILITY] = __cpu_to_le16(id[ATA_ID_CAPABILITY]); - id[ATA_ID_OLD_PIO_MODES] = __cpu_to_le16(id[ATA_ID_OLD_PIO_MODES]); - id[ATA_ID_OLD_DMA_MODES] = __cpu_to_le16(id[ATA_ID_OLD_DMA_MODES]); - id[ATA_ID_MULTSECT] = __cpu_to_le16(id[ATA_ID_MULTSECT]); - - /* as 32-bit values */ - *(u32 *)&id[ATA_ID_LBA_CAPACITY] = ata_id_u32(id, ATA_ID_LBA_CAPACITY); - *(u32 *)&id[ATA_ID_SPG] = ata_id_u32(id, ATA_ID_SPG); - - /* as 64-bit value */ - *(u64 *)&id[ATA_ID_LBA_CAPACITY_2] = - ata_id_u64(id, ATA_ID_LBA_CAPACITY_2); -#endif -} - static inline bool ata_ok(u8 status) { return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR)) |