From 312f7da2824c82800ee78d6190f12854456957af Mon Sep 17 00:00:00 2001 From: Albert Lee Date: Tue, 27 Sep 2005 17:38:03 +0800 Subject: [PATCH] libata: interrupt driven pio for libata-core - add PIO_ST_FIRST for the state before sending ATAPI CDB or sending "ATA PIO data out" first data block. - add ATA_TFLAG_POLLING and ATA_DFLAG_CDB_INTR flags - remove the ATA_FLAG_NOINTR flag since the interrupt handler is now aware of the states - modify ata_pio_sector() and atapi_pio_bytes() to work in the interrupt context - modify the ata_host_intr() to handle PIO interrupts - modify ata_qc_issue_prot() to initialize states - atapi_packet_task() changed to handle "ATA PIO data out" first data block - support the pre-ATA4 ATAPI device which raise interrupt when ready to receive CDB Signed-off-by: Albert Lee Signed-off-by: Jeff Garzik --- include/linux/ata.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/linux/ata.h') diff --git a/include/linux/ata.h b/include/linux/ata.h index a5b74efab067..6fec2f6f2d59 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -181,6 +181,7 @@ enum { ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */ ATA_TFLAG_DEVICE = (1 << 2), /* enable r/w to device reg */ ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */ + ATA_TFLAG_POLLING = (1 << 4), /* set nIEN to 1 and use polling */ }; enum ata_tf_protocols { @@ -250,6 +251,8 @@ struct ata_taskfile { ((u64) (id)[(n) + 1] << 16) | \ ((u64) (id)[(n) + 0]) ) +#define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20) + static inline int atapi_cdb_len(u16 *dev_id) { u16 tmp = dev_id[0] & 0x3; -- cgit v1.2.2 From 07f6f7d074e68d56d82e7cc5c65096033ac8dc56 Mon Sep 17 00:00:00 2001 From: Albert Lee Date: Tue, 1 Nov 2005 19:33:20 +0800 Subject: [PATCH] libata irq-pio: add read/write multiple support - add is_multi_taskfile() to ata.h - initialize ata_device->multi_count with device identify data - use ata_pio_sectors() to support r/w multiple commands Signed-off-by: Albert Lee ======== Signed-off-by: Jeff Garzik --- include/linux/ata.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'include/linux/ata.h') diff --git a/include/linux/ata.h b/include/linux/ata.h index d54da3306d2c..f512104a1a3f 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -293,6 +293,14 @@ static inline int is_atapi_taskfile(const struct ata_taskfile *tf) (tf->protocol == ATA_PROT_ATAPI_DMA); } +static inline int is_multi_taskfile(struct ata_taskfile *tf) +{ + return (tf->command == ATA_CMD_READ_MULTI) || + (tf->command == ATA_CMD_WRITE_MULTI) || + (tf->command == ATA_CMD_READ_MULTI_EXT) || + (tf->command == ATA_CMD_WRITE_MULTI_EXT); +} + static inline int ata_ok(u8 status) { return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR)) -- cgit v1.2.2 From c2956a3b0d1c17b38da369811a6ce93eb7a01a04 Mon Sep 17 00:00:00 2001 From: Albert Lee Date: Fri, 3 Mar 2006 10:34:05 +0800 Subject: [PATCH] libata-dev: recognize WRITE_MULTI_FUA_EXT for r/w multiple Recognize ATA_CMD_WRITE_MULTI_FUA_EXT as r/w multiple commands. Signed-off-by: Albert Lee Signed-off-by: Jeff Garzik --- include/linux/ata.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include/linux/ata.h') diff --git a/include/linux/ata.h b/include/linux/ata.h index 469952366ed4..e7b0c21f6cd4 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -314,7 +314,8 @@ static inline int is_multi_taskfile(struct ata_taskfile *tf) return (tf->command == ATA_CMD_READ_MULTI) || (tf->command == ATA_CMD_WRITE_MULTI) || (tf->command == ATA_CMD_READ_MULTI_EXT) || - (tf->command == ATA_CMD_WRITE_MULTI_EXT); + (tf->command == ATA_CMD_WRITE_MULTI_EXT) || + (tf->command == ATA_CMD_WRITE_MULTI_FUA_EXT); } static inline int ata_ok(u8 status) -- cgit v1.2.2 From 9be1e979f2e1e57a091a658fa88dac266f9fd6fe Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 15 May 2006 20:58:17 +0900 Subject: [PATCH] libata-eh: add ATA and libata flags for new EH Add ATA and libata flags to be used by new EH. Signed-off-by: Tejun Heo --- include/linux/ata.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'include/linux/ata.h') diff --git a/include/linux/ata.h b/include/linux/ata.h index 312a2c0c64e6..a7c41f3df8f4 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -97,6 +97,9 @@ enum { ATA_DRQ = (1 << 3), /* data request i/o */ ATA_ERR = (1 << 0), /* have an error */ ATA_SRST = (1 << 2), /* software reset */ + ATA_ICRC = (1 << 7), /* interface CRC error */ + ATA_UNC = (1 << 6), /* uncorrectable media error */ + ATA_IDNF = (1 << 4), /* ID not found */ ATA_ABORTED = (1 << 2), /* command aborted */ /* ATA command block registers */ @@ -192,6 +195,16 @@ enum { SCR_ACTIVE = 3, SCR_NOTIFICATION = 4, + /* SError bits */ + SERR_DATA_RECOVERED = (1 << 0), /* recovered data error */ + SERR_COMM_RECOVERED = (1 << 1), /* recovered comm failure */ + SERR_DATA = (1 << 8), /* unrecovered data error */ + SERR_PERSISTENT = (1 << 9), /* persistent data/comm error */ + SERR_PROTOCOL = (1 << 10), /* protocol violation */ + SERR_INTERNAL = (1 << 11), /* host internal error */ + SERR_PHYRDY_CHG = (1 << 16), /* PHY RDY changed */ + SERR_DEV_XCHG = (1 << 26), /* device exchanged */ + /* struct ata_taskfile flags */ ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */ ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */ -- cgit v1.2.2 From 88e490340ea4c3a2ebc0187a4339912e2fc1a081 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Mon, 15 May 2006 21:03:38 +0900 Subject: [PATCH] libata-ncq: add NCQ related ATA/libata constants and macros Add NCQ related ATA/libata constants and macros. Signed-off-by: Tejun Heo --- include/linux/ata.h | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'include/linux/ata.h') diff --git a/include/linux/ata.h b/include/linux/ata.h index 1cbeb434af9a..c494e1c0531e 100644 --- a/include/linux/ata.h +++ b/include/linux/ata.h @@ -133,6 +133,8 @@ enum { ATA_CMD_WRITE = 0xCA, ATA_CMD_WRITE_EXT = 0x35, ATA_CMD_WRITE_FUA_EXT = 0x3D, + ATA_CMD_FPDMA_READ = 0x60, + ATA_CMD_FPDMA_WRITE = 0x61, ATA_CMD_PIO_READ = 0x20, ATA_CMD_PIO_READ_EXT = 0x24, ATA_CMD_PIO_WRITE = 0x30, @@ -151,6 +153,10 @@ enum { ATA_CMD_INIT_DEV_PARAMS = 0x91, ATA_CMD_READ_NATIVE_MAX = 0xF8, ATA_CMD_READ_NATIVE_MAX_EXT = 0x27, + ATA_CMD_READ_LOG_EXT = 0x2f, + + /* READ_LOG_EXT pages */ + ATA_LOG_SATA_NCQ = 0x10, /* SETFEATURES stuff */ SETFEATURES_XFER = 0x03, @@ -221,6 +227,7 @@ enum ata_tf_protocols { ATA_PROT_NODATA, /* no data */ ATA_PROT_PIO, /* PIO single sector */ ATA_PROT_DMA, /* DMA */ + ATA_PROT_NCQ, /* NCQ */ ATA_PROT_ATAPI, /* packet command, PIO data xfer*/ ATA_PROT_ATAPI_NODATA, /* packet command, no data */ ATA_PROT_ATAPI_DMA, /* packet command with special DMA sauce */ @@ -276,6 +283,8 @@ struct ata_taskfile { #define ata_id_has_pm(id) ((id)[82] & (1 << 3)) #define ata_id_has_lba(id) ((id)[49] & (1 << 9)) #define ata_id_has_dma(id) ((id)[49] & (1 << 8)) +#define ata_id_has_ncq(id) ((id)[76] & (1 << 8)) +#define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1) #define ata_id_removeable(id) ((id)[0] & (1 << 7)) #define ata_id_has_dword_io(id) ((id)[50] & (1 << 0)) #define ata_id_u32(id,n) \ -- cgit v1.2.2