X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fata.h;h=38a6948ce0c2cd7a50917c1a82570d851196f053;hb=f653398c86a1c104f0992bd788dd4bb065449be4;hp=8162257b474f7d92686c70a586ef2d6dbdeda445;hpb=942dcd85bf8edf38cdc3745306ca250684d99a61;p=safe%2Fjmp%2Flinux-2.6 diff --git a/include/linux/ata.h b/include/linux/ata.h index 8162257..38a6948 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -29,7 +29,10 @@ #ifndef __LINUX_ATA_H__ #define __LINUX_ATA_H__ +#include +#include #include +#include /* defines only for the constants which don't work well as enums */ #define ATA_DMA_BOUNDARY 0xffffUL @@ -72,6 +75,7 @@ enum { ATA_ID_EIDE_DMA_TIME = 66, ATA_ID_EIDE_PIO = 67, ATA_ID_EIDE_PIO_IORDY = 68, + ATA_ID_ADDITIONAL_SUPP = 69, ATA_ID_QUEUE_DEPTH = 75, ATA_ID_MAJOR_VER = 80, ATA_ID_COMMAND_SET_1 = 82, @@ -84,10 +88,14 @@ enum { ATA_ID_HW_CONFIG = 93, ATA_ID_SPG = 98, ATA_ID_LBA_CAPACITY_2 = 100, + ATA_ID_SECTOR_SIZE = 106, ATA_ID_LAST_LUN = 126, ATA_ID_DLF = 128, ATA_ID_CSFO = 129, ATA_ID_CFA_POWER = 160, + ATA_ID_CFA_KEY_MGMT = 162, + ATA_ID_CFA_MODES = 163, + ATA_ID_DATA_SET_MGMT = 169, ATA_ID_ROT_SPEED = 217, ATA_ID_PIO4 = (1 << 1), @@ -105,6 +113,8 @@ enum { ATA_PIO5 = ATA_PIO4 | (1 << 5), ATA_PIO6 = ATA_PIO5 | (1 << 6), + ATA_PIO4_ONLY = (1 << 4), + ATA_SWDMA0 = (1 << 0), ATA_SWDMA1 = ATA_SWDMA0 | (1 << 1), ATA_SWDMA2 = ATA_SWDMA1 | (1 << 2), @@ -114,6 +124,8 @@ enum { ATA_MWDMA0 = (1 << 0), ATA_MWDMA1 = ATA_MWDMA0 | (1 << 1), ATA_MWDMA2 = ATA_MWDMA1 | (1 << 2), + ATA_MWDMA3 = ATA_MWDMA2 | (1 << 3), + ATA_MWDMA4 = ATA_MWDMA3 | (1 << 4), ATA_MWDMA12_ONLY = (1 << 1) | (1 << 2), ATA_MWDMA2_ONLY = (1 << 2), @@ -128,6 +140,8 @@ enum { ATA_UDMA7 = ATA_UDMA6 | (1 << 7), /* ATA_UDMA7 is just for completeness... doesn't exist (yet?). */ + ATA_UDMA24_ONLY = (1 << 2) | (1 << 4), + ATA_UDMA_MASK_40C = ATA_UDMA2, /* udma0-2 */ /* DMA-related */ @@ -198,15 +212,25 @@ enum { ATA_CMD_STANDBY = 0xE2, /* place in standby power mode */ ATA_CMD_IDLE = 0xE3, /* place in idle power mode */ ATA_CMD_EDD = 0x90, /* execute device diagnostic */ + ATA_CMD_DOWNLOAD_MICRO = 0x92, + ATA_CMD_NOP = 0x00, ATA_CMD_FLUSH = 0xE7, ATA_CMD_FLUSH_EXT = 0xEA, ATA_CMD_ID_ATA = 0xEC, ATA_CMD_ID_ATAPI = 0xA1, + ATA_CMD_SERVICE = 0xA2, ATA_CMD_READ = 0xC8, ATA_CMD_READ_EXT = 0x25, + ATA_CMD_READ_QUEUED = 0x26, + ATA_CMD_READ_STREAM_EXT = 0x2B, + ATA_CMD_READ_STREAM_DMA_EXT = 0x2A, ATA_CMD_WRITE = 0xCA, ATA_CMD_WRITE_EXT = 0x35, + ATA_CMD_WRITE_QUEUED = 0x36, + ATA_CMD_WRITE_STREAM_EXT = 0x3B, + ATA_CMD_WRITE_STREAM_DMA_EXT = 0x3A, ATA_CMD_WRITE_FUA_EXT = 0x3D, + ATA_CMD_WRITE_QUEUED_FUA_EXT = 0x3E, ATA_CMD_FPDMA_READ = 0x60, ATA_CMD_FPDMA_WRITE = 0x61, ATA_CMD_PIO_READ = 0x20, @@ -223,6 +247,7 @@ enum { ATA_CMD_PACKET = 0xA0, ATA_CMD_VERIFY = 0x40, ATA_CMD_VERIFY_EXT = 0x42, + ATA_CMD_WRITE_UNCORR_EXT = 0x45, ATA_CMD_STANDBYNOW1 = 0xE0, ATA_CMD_IDLEIMMEDIATE = 0xE1, ATA_CMD_SLEEP = 0xE6, @@ -231,18 +256,36 @@ enum { ATA_CMD_READ_NATIVE_MAX_EXT = 0x27, ATA_CMD_SET_MAX = 0xF9, ATA_CMD_SET_MAX_EXT = 0x37, - ATA_CMD_READ_LOG_EXT = 0x2f, + ATA_CMD_READ_LOG_EXT = 0x2F, + ATA_CMD_WRITE_LOG_EXT = 0x3F, + ATA_CMD_READ_LOG_DMA_EXT = 0x47, + ATA_CMD_WRITE_LOG_DMA_EXT = 0x57, + ATA_CMD_TRUSTED_RCV = 0x5C, + ATA_CMD_TRUSTED_RCV_DMA = 0x5D, + ATA_CMD_TRUSTED_SND = 0x5E, + ATA_CMD_TRUSTED_SND_DMA = 0x5F, ATA_CMD_PMP_READ = 0xE4, ATA_CMD_PMP_WRITE = 0xE8, ATA_CMD_CONF_OVERLAY = 0xB1, + ATA_CMD_SEC_SET_PASS = 0xF1, + ATA_CMD_SEC_UNLOCK = 0xF2, + ATA_CMD_SEC_ERASE_PREP = 0xF3, + ATA_CMD_SEC_ERASE_UNIT = 0xF4, ATA_CMD_SEC_FREEZE_LOCK = 0xF5, + ATA_CMD_SEC_DISABLE_PASS = 0xF6, + ATA_CMD_CONFIG_STREAM = 0x51, ATA_CMD_SMART = 0xB0, ATA_CMD_MEDIA_LOCK = 0xDE, ATA_CMD_MEDIA_UNLOCK = 0xDF, + ATA_CMD_DSM = 0x06, + ATA_CMD_CHK_MED_CRD_TYP = 0xD1, + ATA_CMD_CFA_REQ_EXT_ERR = 0x03, + ATA_CMD_CFA_WRITE_NE = 0x38, + ATA_CMD_CFA_TRANS_SECT = 0x87, + ATA_CMD_CFA_ERASE = 0xC0, + ATA_CMD_CFA_WRITE_MULT_NE = 0xCD, /* marked obsolete in the ATA/ATAPI-7 spec */ ATA_CMD_RESTORE = 0x10, - /* EXABYTE specific */ - ATA_EXABYTE_ENABLE_NEST = 0xF0, /* READ_LOG_EXT pages */ ATA_LOG_SATA_NCQ = 0x10, @@ -293,8 +336,12 @@ enum { SETFEATURES_SATA_DISABLE = 0x90, /* Disable use of SATA feature */ /* SETFEATURE Sector counts for SATA features */ - SATA_AN = 0x05, /* Asynchronous Notification */ - SATA_DIPM = 0x03, /* Device Initiated Power Management */ + SATA_FPDMA_OFFSET = 0x01, /* FPDMA non-zero buffer offsets */ + SATA_FPDMA_AA = 0x02, /* FPDMA Setup FIS Auto-Activate */ + SATA_DIPM = 0x03, /* Device Initiated Power Management */ + SATA_FPDMA_IN_ORDER = 0x04, /* FPDMA in-order data delivery */ + SATA_AN = 0x05, /* Asynchronous Notification */ + SATA_SSP = 0x06, /* Software Settings Preservation */ /* feature values for SET_MAX */ ATA_SET_MAX_ADDR = 0x00, @@ -314,6 +361,9 @@ enum { ATA_SMART_READ_VALUES = 0xD0, ATA_SMART_READ_THRESHOLDS = 0xD1, + /* feature values for Data Set Management */ + ATA_DSM_TRIM = 0x01, + /* password used in LBA Mid / LBA High for executing SMART commands */ ATA_SMART_LBAM_PASS = 0x4F, ATA_SMART_LBAH_PASS = 0xC2, @@ -511,6 +561,9 @@ static inline int ata_is_data(u8 prot) #define ata_id_has_atapi_AN(id) \ ( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \ ((id)[78] & (1 << 5)) ) +#define ata_id_has_fpdma_aa(id) \ + ( (((id)[76] != 0x0000) && ((id)[76] != 0xffff)) && \ + ((id)[78] & (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) \ @@ -558,6 +611,15 @@ static inline int ata_id_has_flush(const u16 *id) return id[ATA_ID_COMMAND_SET_2] & (1 << 12); } +static inline int ata_id_flush_enabled(const u16 *id) +{ + if (ata_id_has_flush(id) == 0) + return 0; + if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) + return 0; + return id[ATA_ID_CFS_ENABLE_2] & (1 << 12); +} + static inline int ata_id_has_flush_ext(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) @@ -565,6 +627,31 @@ static inline int ata_id_has_flush_ext(const u16 *id) return id[ATA_ID_COMMAND_SET_2] & (1 << 13); } +static inline int ata_id_flush_ext_enabled(const u16 *id) +{ + if (ata_id_has_flush_ext(id) == 0) + return 0; + if ((id[ATA_ID_CSF_DEFAULT] & 0xC000) != 0x4000) + return 0; + /* + * some Maxtor disks have bit 13 defined incorrectly + * so check bit 10 too + */ + return (id[ATA_ID_CFS_ENABLE_2] & 0x2400) == 0x2400; +} + +static inline int ata_id_has_large_logical_sectors(const u16 *id) +{ + if ((id[ATA_ID_SECTOR_SIZE] & 0xc000) != 0x4000) + return 0; + return id[ATA_ID_SECTOR_SIZE] & (1 << 13); +} + +static inline u8 ata_id_logical_per_physical_sectors(const u16 *id) +{ + return id[ATA_ID_SECTOR_SIZE] & 0xf; +} + static inline int ata_id_has_lba48(const u16 *id) { if ((id[ATA_ID_COMMAND_SET_2] & 0xC000) != 0x4000) @@ -694,6 +781,52 @@ static inline int ata_id_has_unload(const u16 *id) return 0; } +static inline int ata_id_form_factor(const u16 *id) +{ + u16 val = id[168]; + + if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff) + return 0; + + val &= 0xf; + + if (val > 5) + return 0; + + return val; +} + +static inline int ata_id_rotation_rate(const u16 *id) +{ + u16 val = id[217]; + + if (ata_id_major_version(id) < 7 || val == 0 || val == 0xffff) + return 0; + + if (val > 1 && val < 0x401) + return 0; + + return val; +} + +static inline int ata_id_has_trim(const u16 *id) +{ + if (ata_id_major_version(id) >= 7 && + (id[ATA_ID_DATA_SET_MGMT] & 1)) + return 1; + return 0; +} + +static inline int ata_id_has_zero_after_trim(const u16 *id) +{ + /* DSM supported, deterministic read, and read zero after trim set */ + if (ata_id_has_trim(id) && + (id[ATA_ID_ADDITIONAL_SUPP] & 0x4020) == 0x4020) + return 1; + + return 0; +} + static inline int ata_id_current_chs_valid(const u16 *id) { /* For ATA-1 devices, if the INITIALIZE DEVICE PARAMETERS command @@ -708,12 +841,17 @@ static inline int ata_id_current_chs_valid(const u16 *id) static inline int ata_id_is_cfa(const u16 *id) { - if (id[ATA_ID_CONFIG] == 0x848A) /* Standard CF */ + if (id[ATA_ID_CONFIG] == 0x848A) /* Traditional CF */ return 1; - /* Could be CF hiding as standard ATA */ - if (ata_id_major_version(id) >= 3 && - id[ATA_ID_COMMAND_SET_1] != 0xFFFF && - (id[ATA_ID_COMMAND_SET_1] & (1 << 2))) + /* + * CF specs don't require specific value in the word 0 anymore and yet + * they forbid to report the ATA version in the word 80 and require the + * CFA feature set support to be indicated in the word 83 in this case. + * Unfortunately, some cards only follow either of this requirements, + * and while those that don't indicate CFA feature support need some + * sort of quirk list, it seems impractical for the ones that do... + */ + if ((id[ATA_ID_COMMAND_SET_2] & 0xC004) == 0x4004) return 1; return 0; } @@ -723,6 +861,20 @@ static inline int ata_id_is_ssd(const u16 *id) return id[ATA_ID_ROT_SPEED] == 0x01; } +static inline int ata_id_pio_need_iordy(const u16 *id, const u8 pio) +{ + /* CF spec. r4.1 Table 22 says no IORDY on PIO5 and PIO6. */ + if (pio > 4 && ata_id_is_cfa(id)) + return 0; + /* For PIO3 and higher it is mandatory. */ + if (pio > 2) + return 1; + /* Turn it on when possible. */ + if (ata_id_has_iordy(id)) + return 1; + return 0; +} + static inline int ata_drive_40wire(const u16 *dev_id) { if (ata_id_is_sata(dev_id)) @@ -759,6 +911,102 @@ static inline int 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 int 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 1; + + 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 1; + + 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 1; + + /* 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 1; /* LBA capacity is (now) good */ + } + + return 0; /* 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 +} + +/* + * Write LBA Range Entries to the buffer that will cover the extent from + * sector to sector + count. This is used for TRIM and for ADD LBA(S) + * TO NV CACHE PINNED SET. + */ +static inline unsigned ata_set_lba_range_entries(void *_buffer, + unsigned buf_size, u64 sector, unsigned long count) +{ + __le64 *buffer = _buffer; + unsigned i = 0, used_bytes; + + while (i < buf_size / 8 ) { /* 6-byte LBA + 2-byte range per entry */ + u64 entry = sector | + ((u64)(count > 0xffff ? 0xffff : count) << 48); + buffer[i++] = __cpu_to_le64(entry); + if (count <= 0xffff) + break; + count -= 0xffff; + sector += 0xffff; + } + + used_bytes = ALIGN(i * 8, 512); + memset(buffer + i, 0, used_bytes - i * 8); + return used_bytes; +} + static inline int is_multi_taskfile(struct ata_taskfile *tf) { return (tf->command == ATA_CMD_READ_MULTI) ||