Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev: (258 commits) [libata] conversion to new debug scheme, part 1 of $N [PATCH] libata: Add ata_scsi_dev_disabled [libata] Add host lock to struct ata_port [PATCH] libata: implement per-dev EH action mask eh_info->dev_action[] [PATCH] libata-dev: move the CDB-intr DMA blacklisting [PATCH] ahci: disable NCQ support on vt8251 [libata] ahci: add JMicron PCI IDs [libata] sata_nv: add PCI IDs [libata] ahci: Add NVIDIA PCI IDs. [PATCH] libata: convert several bmdma-style controllers to new EH, take #3 [PATCH] sata_via: convert to new EH, take #3 [libata] sata_nv: s/spin_lock_irqsave/spin_lock/ in irq handler [PATCH] sata_nv: add hotplug support [PATCH] sata_nv: convert to new EH [PATCH] sata_nv: better irq handlers [PATCH] sata_nv: simplify constants [PATCH] sata_nv: kill struct nv_host_desc and nv_host [PATCH] sata_nv: kill not-working hotplug code [libata] Update docs to reflect current driver API [PATCH] libata: add host_set->next for legacy two host_sets case, take #3 ...
This commit is contained in:
Linus Torvalds
commit
6edad161cd
32 changed files with 6577 additions and 2405 deletions
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@ -97,6 +97,9 @@ enum {
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ATA_DRQ = (1 << 3), /* data request i/o */
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ATA_ERR = (1 << 0), /* have an error */
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ATA_SRST = (1 << 2), /* software reset */
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ATA_ICRC = (1 << 7), /* interface CRC error */
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ATA_UNC = (1 << 6), /* uncorrectable media error */
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ATA_IDNF = (1 << 4), /* ID not found */
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ATA_ABORTED = (1 << 2), /* command aborted */
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/* ATA command block registers */
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@ -130,6 +133,8 @@ enum {
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ATA_CMD_WRITE = 0xCA,
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ATA_CMD_WRITE_EXT = 0x35,
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ATA_CMD_WRITE_FUA_EXT = 0x3D,
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ATA_CMD_FPDMA_READ = 0x60,
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ATA_CMD_FPDMA_WRITE = 0x61,
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ATA_CMD_PIO_READ = 0x20,
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ATA_CMD_PIO_READ_EXT = 0x24,
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ATA_CMD_PIO_WRITE = 0x30,
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@ -148,6 +153,10 @@ enum {
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ATA_CMD_INIT_DEV_PARAMS = 0x91,
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ATA_CMD_READ_NATIVE_MAX = 0xF8,
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ATA_CMD_READ_NATIVE_MAX_EXT = 0x27,
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ATA_CMD_READ_LOG_EXT = 0x2f,
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/* READ_LOG_EXT pages */
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ATA_LOG_SATA_NCQ = 0x10,
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/* SETFEATURES stuff */
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SETFEATURES_XFER = 0x03,
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@ -172,6 +181,9 @@ enum {
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XFER_PIO_0 = 0x08,
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XFER_PIO_SLOW = 0x00,
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SETFEATURES_WC_ON = 0x02, /* Enable write cache */
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SETFEATURES_WC_OFF = 0x82, /* Disable write cache */
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/* ATAPI stuff */
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ATAPI_PKT_DMA = (1 << 0),
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ATAPI_DMADIR = (1 << 2), /* ATAPI data dir:
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@ -192,6 +204,16 @@ enum {
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SCR_ACTIVE = 3,
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SCR_NOTIFICATION = 4,
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/* SError bits */
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SERR_DATA_RECOVERED = (1 << 0), /* recovered data error */
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SERR_COMM_RECOVERED = (1 << 1), /* recovered comm failure */
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SERR_DATA = (1 << 8), /* unrecovered data error */
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SERR_PERSISTENT = (1 << 9), /* persistent data/comm error */
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SERR_PROTOCOL = (1 << 10), /* protocol violation */
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SERR_INTERNAL = (1 << 11), /* host internal error */
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SERR_PHYRDY_CHG = (1 << 16), /* PHY RDY changed */
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SERR_DEV_XCHG = (1 << 26), /* device exchanged */
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/* struct ata_taskfile flags */
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ATA_TFLAG_LBA48 = (1 << 0), /* enable 48-bit LBA and "HOB" */
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ATA_TFLAG_ISADDR = (1 << 1), /* enable r/w to nsect/lba regs */
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@ -199,6 +221,7 @@ enum {
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ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */
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ATA_TFLAG_LBA = (1 << 4), /* enable LBA */
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ATA_TFLAG_FUA = (1 << 5), /* enable FUA */
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ATA_TFLAG_POLLING = (1 << 6), /* set nIEN to 1 and use polling */
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};
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enum ata_tf_protocols {
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@ -207,6 +230,7 @@ enum ata_tf_protocols {
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ATA_PROT_NODATA, /* no data */
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ATA_PROT_PIO, /* PIO single sector */
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ATA_PROT_DMA, /* DMA */
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ATA_PROT_NCQ, /* NCQ */
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ATA_PROT_ATAPI, /* packet command, PIO data xfer*/
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ATA_PROT_ATAPI_NODATA, /* packet command, no data */
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ATA_PROT_ATAPI_DMA, /* packet command with special DMA sauce */
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@ -262,6 +286,8 @@ struct ata_taskfile {
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#define ata_id_has_pm(id) ((id)[82] & (1 << 3))
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#define ata_id_has_lba(id) ((id)[49] & (1 << 9))
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#define ata_id_has_dma(id) ((id)[49] & (1 << 8))
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#define ata_id_has_ncq(id) ((id)[76] & (1 << 8))
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#define ata_id_queue_depth(id) (((id)[75] & 0x1f) + 1)
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#define ata_id_removeable(id) ((id)[0] & (1 << 7))
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#define ata_id_has_dword_io(id) ((id)[50] & (1 << 0))
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#define ata_id_u32(id,n) \
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@ -272,6 +298,8 @@ struct ata_taskfile {
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((u64) (id)[(n) + 1] << 16) | \
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((u64) (id)[(n) + 0]) )
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#define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20)
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static inline unsigned int ata_id_major_version(const u16 *id)
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{
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unsigned int mver;
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@ -311,6 +339,15 @@ static inline int is_atapi_taskfile(const struct ata_taskfile *tf)
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(tf->protocol == ATA_PROT_ATAPI_DMA);
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}
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static inline int is_multi_taskfile(struct ata_taskfile *tf)
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{
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return (tf->command == ATA_CMD_READ_MULTI) ||
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(tf->command == ATA_CMD_WRITE_MULTI) ||
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(tf->command == ATA_CMD_READ_MULTI_EXT) ||
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(tf->command == ATA_CMD_WRITE_MULTI_EXT) ||
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(tf->command == ATA_CMD_WRITE_MULTI_FUA_EXT);
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}
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static inline int ata_ok(u8 status)
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{
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return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))
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@ -33,6 +33,7 @@
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#include <asm/io.h>
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#include <linux/ata.h>
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#include <linux/workqueue.h>
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#include <scsi/scsi_host.h>
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/*
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* compile-time options: to be removed as soon as all the drivers are
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@ -44,7 +45,6 @@
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#undef ATA_NDEBUG /* define to disable quick runtime checks */
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#undef ATA_ENABLE_PATA /* define to enable PATA support in some
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* low-level drivers */
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#undef ATAPI_ENABLE_DMADIR /* enables ATAPI DMADIR bridge support */
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/* note: prints function name for you */
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@ -108,8 +108,11 @@ enum {
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LIBATA_MAX_PRD = ATA_MAX_PRD / 2,
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ATA_MAX_PORTS = 8,
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ATA_DEF_QUEUE = 1,
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ATA_MAX_QUEUE = 1,
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/* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */
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ATA_MAX_QUEUE = 32,
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ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1,
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ATA_MAX_SECTORS = 200, /* FIXME */
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ATA_MAX_SECTORS_LBA48 = 65535,
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ATA_MAX_BUS = 2,
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ATA_DEF_BUSY_WAIT = 10000,
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ATA_SHORT_PAUSE = (HZ >> 6) + 1,
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@ -120,9 +123,17 @@ enum {
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ATA_SHT_USE_CLUSTERING = 1,
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/* struct ata_device stuff */
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ATA_DFLAG_LBA48 = (1 << 0), /* device supports LBA48 */
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ATA_DFLAG_PIO = (1 << 1), /* device currently in PIO mode */
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ATA_DFLAG_LBA = (1 << 2), /* device supports LBA */
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ATA_DFLAG_LBA = (1 << 0), /* device supports LBA */
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ATA_DFLAG_LBA48 = (1 << 1), /* device supports LBA48 */
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ATA_DFLAG_CDB_INTR = (1 << 2), /* device asserts INTRQ when ready for CDB */
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ATA_DFLAG_NCQ = (1 << 3), /* device supports NCQ */
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ATA_DFLAG_CFG_MASK = (1 << 8) - 1,
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ATA_DFLAG_PIO = (1 << 8), /* device currently in PIO mode */
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ATA_DFLAG_INIT_MASK = (1 << 16) - 1,
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ATA_DFLAG_DETACH = (1 << 16),
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ATA_DFLAG_DETACHED = (1 << 17),
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ATA_DEV_UNKNOWN = 0, /* unknown device */
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ATA_DEV_ATA = 1, /* ATA device */
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@ -132,43 +143,57 @@ enum {
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ATA_DEV_NONE = 5, /* no device */
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/* struct ata_port flags */
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ATA_FLAG_SLAVE_POSS = (1 << 1), /* host supports slave dev */
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ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */
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/* (doesn't imply presence) */
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ATA_FLAG_PORT_DISABLED = (1 << 2), /* port is disabled, ignore it */
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ATA_FLAG_SATA = (1 << 3),
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ATA_FLAG_NO_LEGACY = (1 << 4), /* no legacy mode check */
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ATA_FLAG_SRST = (1 << 5), /* (obsolete) use ATA SRST, not E.D.D. */
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ATA_FLAG_MMIO = (1 << 6), /* use MMIO, not PIO */
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ATA_FLAG_SATA_RESET = (1 << 7), /* (obsolete) use COMRESET */
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ATA_FLAG_PIO_DMA = (1 << 8), /* PIO cmds via DMA */
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ATA_FLAG_NOINTR = (1 << 9), /* FIXME: Remove this once
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* proper HSM is in place. */
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ATA_FLAG_DEBUGMSG = (1 << 10),
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ATA_FLAG_NO_ATAPI = (1 << 11), /* No ATAPI support */
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ATA_FLAG_SATA = (1 << 1),
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ATA_FLAG_NO_LEGACY = (1 << 2), /* no legacy mode check */
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ATA_FLAG_MMIO = (1 << 3), /* use MMIO, not PIO */
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ATA_FLAG_SRST = (1 << 4), /* (obsolete) use ATA SRST, not E.D.D. */
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ATA_FLAG_SATA_RESET = (1 << 5), /* (obsolete) use COMRESET */
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ATA_FLAG_NO_ATAPI = (1 << 6), /* No ATAPI support */
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ATA_FLAG_PIO_DMA = (1 << 7), /* PIO cmds via DMA */
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ATA_FLAG_PIO_LBA48 = (1 << 8), /* Host DMA engine is LBA28 only */
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ATA_FLAG_PIO_POLLING = (1 << 9), /* use polling PIO if LLD
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* doesn't handle PIO interrupts */
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ATA_FLAG_NCQ = (1 << 10), /* host supports NCQ */
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ATA_FLAG_HRST_TO_RESUME = (1 << 11), /* hardreset to resume phy */
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ATA_FLAG_SKIP_D2H_BSY = (1 << 12), /* can't wait for the first D2H
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* Register FIS clearing BSY */
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ATA_FLAG_SUSPENDED = (1 << 12), /* port is suspended */
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ATA_FLAG_DEBUGMSG = (1 << 13),
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ATA_FLAG_FLUSH_PORT_TASK = (1 << 14), /* flush port task */
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ATA_FLAG_PIO_LBA48 = (1 << 13), /* Host DMA engine is LBA28 only */
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ATA_FLAG_IRQ_MASK = (1 << 14), /* Mask IRQ in PIO xfers */
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ATA_FLAG_EH_PENDING = (1 << 15), /* EH pending */
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ATA_FLAG_EH_IN_PROGRESS = (1 << 16), /* EH in progress */
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ATA_FLAG_FROZEN = (1 << 17), /* port is frozen */
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ATA_FLAG_RECOVERED = (1 << 18), /* recovery action performed */
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ATA_FLAG_LOADING = (1 << 19), /* boot/loading probe */
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ATA_FLAG_UNLOADING = (1 << 20), /* module is unloading */
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ATA_FLAG_SCSI_HOTPLUG = (1 << 21), /* SCSI hotplug scheduled */
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ATA_FLAG_FLUSH_PORT_TASK = (1 << 15), /* Flush port task */
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ATA_FLAG_IN_EH = (1 << 16), /* EH in progress */
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ATA_FLAG_DISABLED = (1 << 22), /* port is disabled, ignore it */
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ATA_FLAG_SUSPENDED = (1 << 23), /* port is suspended (power) */
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ATA_QCFLAG_ACTIVE = (1 << 1), /* cmd not yet ack'd to scsi lyer */
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ATA_QCFLAG_SG = (1 << 3), /* have s/g table? */
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ATA_QCFLAG_SINGLE = (1 << 4), /* no s/g, just a single buffer */
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/* bits 24:31 of ap->flags are reserved for LLDD specific flags */
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/* struct ata_queued_cmd flags */
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ATA_QCFLAG_ACTIVE = (1 << 0), /* cmd not yet ack'd to scsi lyer */
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ATA_QCFLAG_SG = (1 << 1), /* have s/g table? */
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ATA_QCFLAG_SINGLE = (1 << 2), /* no s/g, just a single buffer */
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ATA_QCFLAG_DMAMAP = ATA_QCFLAG_SG | ATA_QCFLAG_SINGLE,
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ATA_QCFLAG_EH_SCHEDULED = (1 << 5), /* EH scheduled */
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ATA_QCFLAG_IO = (1 << 3), /* standard IO command */
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ATA_QCFLAG_RESULT_TF = (1 << 4), /* result TF requested */
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ATA_QCFLAG_FAILED = (1 << 16), /* cmd failed and is owned by EH */
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ATA_QCFLAG_SENSE_VALID = (1 << 17), /* sense data valid */
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ATA_QCFLAG_EH_SCHEDULED = (1 << 18), /* EH scheduled (obsolete) */
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/* host set flags */
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ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host_set only */
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/* various lengths of time */
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ATA_TMOUT_PIO = 30 * HZ,
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ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */
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ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */
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ATA_TMOUT_CDB = 30 * HZ,
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ATA_TMOUT_CDB_QUICK = 5 * HZ,
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ATA_TMOUT_INTERNAL = 30 * HZ,
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ATA_TMOUT_INTERNAL_QUICK = 5 * HZ,
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@ -207,21 +232,56 @@ enum {
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/* size of buffer to pad xfers ending on unaligned boundaries */
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ATA_DMA_PAD_SZ = 4,
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ATA_DMA_PAD_BUF_SZ = ATA_DMA_PAD_SZ * ATA_MAX_QUEUE,
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/* Masks for port functions */
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/* masks for port functions */
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ATA_PORT_PRIMARY = (1 << 0),
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ATA_PORT_SECONDARY = (1 << 1),
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/* ering size */
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ATA_ERING_SIZE = 32,
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/* desc_len for ata_eh_info and context */
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ATA_EH_DESC_LEN = 80,
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/* reset / recovery action types */
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ATA_EH_REVALIDATE = (1 << 0),
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ATA_EH_SOFTRESET = (1 << 1),
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ATA_EH_HARDRESET = (1 << 2),
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ATA_EH_RESET_MASK = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
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ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE,
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/* ata_eh_info->flags */
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ATA_EHI_HOTPLUGGED = (1 << 0), /* could have been hotplugged */
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ATA_EHI_DID_RESET = (1 << 16), /* already reset this port */
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/* max repeat if error condition is still set after ->error_handler */
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ATA_EH_MAX_REPEAT = 5,
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/* how hard are we gonna try to probe/recover devices */
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ATA_PROBE_MAX_TRIES = 3,
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ATA_EH_RESET_TRIES = 3,
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ATA_EH_DEV_TRIES = 3,
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/* Drive spinup time (time from power-on to the first D2H FIS)
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* in msecs - 8s currently. Failing to get ready in this time
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* isn't critical. It will result in reset failure for
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* controllers which can't wait for the first D2H FIS. libata
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* will retry, so it just has to be long enough to spin up
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* most devices.
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*/
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ATA_SPINUP_WAIT = 8000,
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};
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enum hsm_task_states {
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HSM_ST_UNKNOWN,
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HSM_ST_IDLE,
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HSM_ST_POLL,
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HSM_ST_TMOUT,
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HSM_ST,
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HSM_ST_LAST,
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HSM_ST_LAST_POLL,
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HSM_ST_ERR,
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HSM_ST_UNKNOWN, /* state unknown */
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HSM_ST_IDLE, /* no command on going */
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HSM_ST, /* (waiting the device to) transfer data */
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HSM_ST_LAST, /* (waiting the device to) complete command */
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HSM_ST_ERR, /* error */
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HSM_ST_FIRST, /* (waiting the device to)
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write CDB or first data block */
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};
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enum ata_completion_errors {
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@ -244,9 +304,9 @@ struct ata_queued_cmd;
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/* typedefs */
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typedef void (*ata_qc_cb_t) (struct ata_queued_cmd *qc);
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typedef void (*ata_probeinit_fn_t)(struct ata_port *);
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typedef int (*ata_reset_fn_t)(struct ata_port *, int, unsigned int *);
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typedef void (*ata_postreset_fn_t)(struct ata_port *ap, unsigned int *);
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typedef int (*ata_prereset_fn_t)(struct ata_port *ap);
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typedef int (*ata_reset_fn_t)(struct ata_port *ap, unsigned int *classes);
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typedef void (*ata_postreset_fn_t)(struct ata_port *ap, unsigned int *classes);
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struct ata_ioports {
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unsigned long cmd_addr;
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@ -297,7 +357,8 @@ struct ata_host_set {
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unsigned long flags;
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int simplex_claimed; /* Keep seperate in case we
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ever need to do this locked */
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struct ata_port * ports[0];
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struct ata_host_set *next; /* for legacy mode */
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struct ata_port *ports[0];
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};
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struct ata_queued_cmd {
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@ -336,7 +397,7 @@ struct ata_queued_cmd {
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struct scatterlist *__sg;
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unsigned int err_mask;
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struct ata_taskfile result_tf;
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ata_qc_cb_t complete_fn;
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void *private_data;
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@ -348,12 +409,26 @@ struct ata_host_stats {
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unsigned long rw_reqbuf;
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};
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struct ata_ering_entry {
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int is_io;
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unsigned int err_mask;
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u64 timestamp;
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};
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struct ata_ering {
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int cursor;
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struct ata_ering_entry ring[ATA_ERING_SIZE];
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};
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struct ata_device {
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u64 n_sectors; /* size of device, if ATA */
|
||||
unsigned long flags; /* ATA_DFLAG_xxx */
|
||||
unsigned int class; /* ATA_DEV_xxx */
|
||||
struct ata_port *ap;
|
||||
unsigned int devno; /* 0 or 1 */
|
||||
u16 *id; /* IDENTIFY xxx DEVICE data */
|
||||
unsigned long flags; /* ATA_DFLAG_xxx */
|
||||
struct scsi_device *sdev; /* attached SCSI device */
|
||||
/* n_sector is used as CLEAR_OFFSET, read comment above CLEAR_OFFSET */
|
||||
u64 n_sectors; /* size of device, if ATA */
|
||||
unsigned int class; /* ATA_DEV_xxx */
|
||||
u16 id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
|
||||
u8 pio_mode;
|
||||
u8 dma_mode;
|
||||
u8 xfer_mode;
|
||||
|
|
@ -373,11 +448,42 @@ struct ata_device {
|
|||
u16 cylinders; /* Number of cylinders */
|
||||
u16 heads; /* Number of heads */
|
||||
u16 sectors; /* Number of sectors per track */
|
||||
|
||||
/* error history */
|
||||
struct ata_ering ering;
|
||||
};
|
||||
|
||||
/* Offset into struct ata_device. Fields above it are maintained
|
||||
* acress device init. Fields below are zeroed.
|
||||
*/
|
||||
#define ATA_DEVICE_CLEAR_OFFSET offsetof(struct ata_device, n_sectors)
|
||||
|
||||
struct ata_eh_info {
|
||||
struct ata_device *dev; /* offending device */
|
||||
u32 serror; /* SError from LLDD */
|
||||
unsigned int err_mask; /* port-wide err_mask */
|
||||
unsigned int action; /* ATA_EH_* action mask */
|
||||
unsigned int dev_action[ATA_MAX_DEVICES]; /* dev EH action */
|
||||
unsigned int flags; /* ATA_EHI_* flags */
|
||||
|
||||
unsigned long hotplug_timestamp;
|
||||
unsigned int probe_mask;
|
||||
|
||||
char desc[ATA_EH_DESC_LEN];
|
||||
int desc_len;
|
||||
};
|
||||
|
||||
struct ata_eh_context {
|
||||
struct ata_eh_info i;
|
||||
int tries[ATA_MAX_DEVICES];
|
||||
unsigned int classes[ATA_MAX_DEVICES];
|
||||
unsigned int did_probe_mask;
|
||||
};
|
||||
|
||||
struct ata_port {
|
||||
struct Scsi_Host *host; /* our co-allocated scsi host */
|
||||
const struct ata_port_operations *ops;
|
||||
spinlock_t *lock;
|
||||
unsigned long flags; /* ATA_FLAG_xxx */
|
||||
unsigned int id; /* unique id req'd by scsi midlyr */
|
||||
unsigned int port_no; /* unique port #; from zero */
|
||||
|
|
@ -397,26 +503,40 @@ struct ata_port {
|
|||
unsigned int mwdma_mask;
|
||||
unsigned int udma_mask;
|
||||
unsigned int cbl; /* cable type; ATA_CBL_xxx */
|
||||
unsigned int hw_sata_spd_limit;
|
||||
unsigned int sata_spd_limit; /* SATA PHY speed limit */
|
||||
|
||||
/* record runtime error info, protected by host_set lock */
|
||||
struct ata_eh_info eh_info;
|
||||
/* EH context owned by EH */
|
||||
struct ata_eh_context eh_context;
|
||||
|
||||
struct ata_device device[ATA_MAX_DEVICES];
|
||||
|
||||
struct ata_queued_cmd qcmd[ATA_MAX_QUEUE];
|
||||
unsigned long qactive;
|
||||
unsigned long qc_allocated;
|
||||
unsigned int qc_active;
|
||||
|
||||
unsigned int active_tag;
|
||||
u32 sactive;
|
||||
|
||||
struct ata_host_stats stats;
|
||||
struct ata_host_set *host_set;
|
||||
struct device *dev;
|
||||
|
||||
struct work_struct port_task;
|
||||
struct work_struct hotplug_task;
|
||||
struct work_struct scsi_rescan_task;
|
||||
|
||||
unsigned int hsm_task_state;
|
||||
unsigned long pio_task_timeout;
|
||||
|
||||
u32 msg_enable;
|
||||
struct list_head eh_done_q;
|
||||
wait_queue_head_t eh_wait_q;
|
||||
|
||||
void *private_data;
|
||||
|
||||
u8 sector_buf[ATA_SECT_SIZE]; /* owned by EH */
|
||||
};
|
||||
|
||||
struct ata_port_operations {
|
||||
|
|
@ -438,7 +558,6 @@ struct ata_port_operations {
|
|||
|
||||
void (*phy_reset) (struct ata_port *ap); /* obsolete */
|
||||
void (*set_mode) (struct ata_port *ap);
|
||||
int (*probe_reset) (struct ata_port *ap, unsigned int *classes);
|
||||
|
||||
void (*post_set_mode) (struct ata_port *ap);
|
||||
|
||||
|
|
@ -447,10 +566,20 @@ struct ata_port_operations {
|
|||
void (*bmdma_setup) (struct ata_queued_cmd *qc);
|
||||
void (*bmdma_start) (struct ata_queued_cmd *qc);
|
||||
|
||||
void (*data_xfer) (struct ata_device *, unsigned char *, unsigned int, int);
|
||||
|
||||
void (*qc_prep) (struct ata_queued_cmd *qc);
|
||||
unsigned int (*qc_issue) (struct ata_queued_cmd *qc);
|
||||
|
||||
void (*eng_timeout) (struct ata_port *ap);
|
||||
/* Error handlers. ->error_handler overrides ->eng_timeout and
|
||||
* indicates that new-style EH is in place.
|
||||
*/
|
||||
void (*eng_timeout) (struct ata_port *ap); /* obsolete */
|
||||
|
||||
void (*freeze) (struct ata_port *ap);
|
||||
void (*thaw) (struct ata_port *ap);
|
||||
void (*error_handler) (struct ata_port *ap);
|
||||
void (*post_internal_cmd) (struct ata_queued_cmd *qc);
|
||||
|
||||
irqreturn_t (*irq_handler)(int, void *, struct pt_regs *);
|
||||
void (*irq_clear) (struct ata_port *);
|
||||
|
|
@ -492,22 +621,22 @@ struct ata_timing {
|
|||
|
||||
#define FIT(v,vmin,vmax) max_t(short,min_t(short,v,vmax),vmin)
|
||||
|
||||
extern const unsigned long sata_deb_timing_boot[];
|
||||
extern const unsigned long sata_deb_timing_eh[];
|
||||
extern const unsigned long sata_deb_timing_before_fsrst[];
|
||||
|
||||
extern void ata_port_probe(struct ata_port *);
|
||||
extern void __sata_phy_reset(struct ata_port *ap);
|
||||
extern void sata_phy_reset(struct ata_port *ap);
|
||||
extern void ata_bus_reset(struct ata_port *ap);
|
||||
extern int ata_drive_probe_reset(struct ata_port *ap,
|
||||
ata_probeinit_fn_t probeinit,
|
||||
ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
|
||||
ata_postreset_fn_t postreset, unsigned int *classes);
|
||||
extern void ata_std_probeinit(struct ata_port *ap);
|
||||
extern int ata_std_softreset(struct ata_port *ap, int verbose,
|
||||
unsigned int *classes);
|
||||
extern int sata_std_hardreset(struct ata_port *ap, int verbose,
|
||||
unsigned int *class);
|
||||
extern int sata_set_spd(struct ata_port *ap);
|
||||
extern int sata_phy_debounce(struct ata_port *ap, const unsigned long *param);
|
||||
extern int sata_phy_resume(struct ata_port *ap, const unsigned long *param);
|
||||
extern int ata_std_prereset(struct ata_port *ap);
|
||||
extern int ata_std_softreset(struct ata_port *ap, unsigned int *classes);
|
||||
extern int sata_std_hardreset(struct ata_port *ap, unsigned int *class);
|
||||
extern void ata_std_postreset(struct ata_port *ap, unsigned int *classes);
|
||||
extern int ata_dev_revalidate(struct ata_port *ap, struct ata_device *dev,
|
||||
int post_reset);
|
||||
extern int ata_dev_revalidate(struct ata_device *dev, int post_reset);
|
||||
extern void ata_port_disable(struct ata_port *);
|
||||
extern void ata_std_ports(struct ata_ioports *ioaddr);
|
||||
#ifdef CONFIG_PCI
|
||||
|
|
@ -519,24 +648,32 @@ extern int ata_pci_device_resume(struct pci_dev *pdev);
|
|||
extern int ata_pci_clear_simplex(struct pci_dev *pdev);
|
||||
#endif /* CONFIG_PCI */
|
||||
extern int ata_device_add(const struct ata_probe_ent *ent);
|
||||
extern void ata_port_detach(struct ata_port *ap);
|
||||
extern void ata_host_set_remove(struct ata_host_set *host_set);
|
||||
extern int ata_scsi_detect(struct scsi_host_template *sht);
|
||||
extern int ata_scsi_ioctl(struct scsi_device *dev, int cmd, void __user *arg);
|
||||
extern int ata_scsi_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *));
|
||||
extern void ata_eh_qc_complete(struct ata_queued_cmd *qc);
|
||||
extern void ata_eh_qc_retry(struct ata_queued_cmd *qc);
|
||||
extern int ata_scsi_release(struct Scsi_Host *host);
|
||||
extern unsigned int ata_host_intr(struct ata_port *ap, struct ata_queued_cmd *qc);
|
||||
extern int sata_scr_valid(struct ata_port *ap);
|
||||
extern int sata_scr_read(struct ata_port *ap, int reg, u32 *val);
|
||||
extern int sata_scr_write(struct ata_port *ap, int reg, u32 val);
|
||||
extern int sata_scr_write_flush(struct ata_port *ap, int reg, u32 val);
|
||||
extern int ata_port_online(struct ata_port *ap);
|
||||
extern int ata_port_offline(struct ata_port *ap);
|
||||
extern int ata_scsi_device_resume(struct scsi_device *);
|
||||
extern int ata_scsi_device_suspend(struct scsi_device *, pm_message_t state);
|
||||
extern int ata_device_resume(struct ata_port *, struct ata_device *);
|
||||
extern int ata_device_suspend(struct ata_port *, struct ata_device *, pm_message_t state);
|
||||
extern int ata_device_resume(struct ata_device *);
|
||||
extern int ata_device_suspend(struct ata_device *, pm_message_t state);
|
||||
extern int ata_ratelimit(void);
|
||||
extern unsigned int ata_busy_sleep(struct ata_port *ap,
|
||||
unsigned long timeout_pat,
|
||||
unsigned long timeout);
|
||||
extern void ata_port_queue_task(struct ata_port *ap, void (*fn)(void *),
|
||||
void *data, unsigned long delay);
|
||||
extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
|
||||
unsigned long interval_msec,
|
||||
unsigned long timeout_msec);
|
||||
|
||||
/*
|
||||
* Default driver ops implementations
|
||||
|
|
@ -550,11 +687,16 @@ extern void ata_std_dev_select (struct ata_port *ap, unsigned int device);
|
|||
extern u8 ata_check_status(struct ata_port *ap);
|
||||
extern u8 ata_altstatus(struct ata_port *ap);
|
||||
extern void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf);
|
||||
extern int ata_std_probe_reset(struct ata_port *ap, unsigned int *classes);
|
||||
extern int ata_port_start (struct ata_port *ap);
|
||||
extern void ata_port_stop (struct ata_port *ap);
|
||||
extern void ata_host_stop (struct ata_host_set *host_set);
|
||||
extern irqreturn_t ata_interrupt (int irq, void *dev_instance, struct pt_regs *regs);
|
||||
extern void ata_mmio_data_xfer(struct ata_device *adev, unsigned char *buf,
|
||||
unsigned int buflen, int write_data);
|
||||
extern void ata_pio_data_xfer(struct ata_device *adev, unsigned char *buf,
|
||||
unsigned int buflen, int write_data);
|
||||
extern void ata_pio_data_xfer_noirq(struct ata_device *adev, unsigned char *buf,
|
||||
unsigned int buflen, int write_data);
|
||||
extern void ata_qc_prep(struct ata_queued_cmd *qc);
|
||||
extern void ata_noop_qc_prep(struct ata_queued_cmd *qc);
|
||||
extern unsigned int ata_qc_issue_prot(struct ata_queued_cmd *qc);
|
||||
|
|
@ -572,17 +714,29 @@ extern void ata_bmdma_start (struct ata_queued_cmd *qc);
|
|||
extern void ata_bmdma_stop(struct ata_queued_cmd *qc);
|
||||
extern u8 ata_bmdma_status(struct ata_port *ap);
|
||||
extern void ata_bmdma_irq_clear(struct ata_port *ap);
|
||||
extern void __ata_qc_complete(struct ata_queued_cmd *qc);
|
||||
extern void ata_eng_timeout(struct ata_port *ap);
|
||||
extern void ata_scsi_simulate(struct ata_port *ap, struct ata_device *dev,
|
||||
struct scsi_cmnd *cmd,
|
||||
extern void ata_bmdma_freeze(struct ata_port *ap);
|
||||
extern void ata_bmdma_thaw(struct ata_port *ap);
|
||||
extern void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
|
||||
ata_reset_fn_t softreset,
|
||||
ata_reset_fn_t hardreset,
|
||||
ata_postreset_fn_t postreset);
|
||||
extern void ata_bmdma_error_handler(struct ata_port *ap);
|
||||
extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc);
|
||||
extern int ata_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
|
||||
u8 status, int in_wq);
|
||||
extern void ata_qc_complete(struct ata_queued_cmd *qc);
|
||||
extern int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active,
|
||||
void (*finish_qc)(struct ata_queued_cmd *));
|
||||
extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd,
|
||||
void (*done)(struct scsi_cmnd *));
|
||||
extern int ata_std_bios_param(struct scsi_device *sdev,
|
||||
struct block_device *bdev,
|
||||
sector_t capacity, int geom[]);
|
||||
extern int ata_scsi_slave_config(struct scsi_device *sdev);
|
||||
extern struct ata_device *ata_dev_pair(struct ata_port *ap,
|
||||
struct ata_device *adev);
|
||||
extern void ata_scsi_slave_destroy(struct scsi_device *sdev);
|
||||
extern int ata_scsi_change_queue_depth(struct scsi_device *sdev,
|
||||
int queue_depth);
|
||||
extern struct ata_device *ata_dev_pair(struct ata_device *adev);
|
||||
|
||||
/*
|
||||
* Timing helpers
|
||||
|
|
@ -628,7 +782,64 @@ extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bit
|
|||
extern unsigned long ata_pci_default_filter(const struct ata_port *, struct ata_device *, unsigned long);
|
||||
#endif /* CONFIG_PCI */
|
||||
|
||||
/*
|
||||
* EH
|
||||
*/
|
||||
extern void ata_eng_timeout(struct ata_port *ap);
|
||||
|
||||
extern void ata_port_schedule_eh(struct ata_port *ap);
|
||||
extern int ata_port_abort(struct ata_port *ap);
|
||||
extern int ata_port_freeze(struct ata_port *ap);
|
||||
|
||||
extern void ata_eh_freeze_port(struct ata_port *ap);
|
||||
extern void ata_eh_thaw_port(struct ata_port *ap);
|
||||
|
||||
extern void ata_eh_qc_complete(struct ata_queued_cmd *qc);
|
||||
extern void ata_eh_qc_retry(struct ata_queued_cmd *qc);
|
||||
|
||||
extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset,
|
||||
ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
|
||||
ata_postreset_fn_t postreset);
|
||||
|
||||
/*
|
||||
* printk helpers
|
||||
*/
|
||||
#define ata_port_printk(ap, lv, fmt, args...) \
|
||||
printk(lv"ata%u: "fmt, (ap)->id , ##args)
|
||||
|
||||
#define ata_dev_printk(dev, lv, fmt, args...) \
|
||||
printk(lv"ata%u.%02u: "fmt, (dev)->ap->id, (dev)->devno , ##args)
|
||||
|
||||
/*
|
||||
* ata_eh_info helpers
|
||||
*/
|
||||
#define ata_ehi_push_desc(ehi, fmt, args...) do { \
|
||||
(ehi)->desc_len += scnprintf((ehi)->desc + (ehi)->desc_len, \
|
||||
ATA_EH_DESC_LEN - (ehi)->desc_len, \
|
||||
fmt , ##args); \
|
||||
} while (0)
|
||||
|
||||
#define ata_ehi_clear_desc(ehi) do { \
|
||||
(ehi)->desc[0] = '\0'; \
|
||||
(ehi)->desc_len = 0; \
|
||||
} while (0)
|
||||
|
||||
static inline void ata_ehi_hotplugged(struct ata_eh_info *ehi)
|
||||
{
|
||||
if (ehi->flags & ATA_EHI_HOTPLUGGED)
|
||||
return;
|
||||
|
||||
ehi->flags |= ATA_EHI_HOTPLUGGED;
|
||||
ehi->hotplug_timestamp = jiffies;
|
||||
|
||||
ehi->err_mask |= AC_ERR_ATA_BUS;
|
||||
ehi->action |= ATA_EH_SOFTRESET;
|
||||
ehi->probe_mask |= (1 << ATA_MAX_DEVICES) - 1;
|
||||
}
|
||||
|
||||
/*
|
||||
* qc helpers
|
||||
*/
|
||||
static inline int
|
||||
ata_sg_is_last(struct scatterlist *sg, struct ata_queued_cmd *qc)
|
||||
{
|
||||
|
|
@ -671,14 +882,39 @@ static inline unsigned int ata_tag_valid(unsigned int tag)
|
|||
return (tag < ATA_MAX_QUEUE) ? 1 : 0;
|
||||
}
|
||||
|
||||
static inline unsigned int ata_class_present(unsigned int class)
|
||||
static inline unsigned int ata_tag_internal(unsigned int tag)
|
||||
{
|
||||
return tag == ATA_MAX_QUEUE - 1;
|
||||
}
|
||||
|
||||
static inline unsigned int ata_class_enabled(unsigned int class)
|
||||
{
|
||||
return class == ATA_DEV_ATA || class == ATA_DEV_ATAPI;
|
||||
}
|
||||
|
||||
static inline unsigned int ata_dev_present(const struct ata_device *dev)
|
||||
static inline unsigned int ata_class_disabled(unsigned int class)
|
||||
{
|
||||
return ata_class_present(dev->class);
|
||||
return class == ATA_DEV_ATA_UNSUP || class == ATA_DEV_ATAPI_UNSUP;
|
||||
}
|
||||
|
||||
static inline unsigned int ata_class_absent(unsigned int class)
|
||||
{
|
||||
return !ata_class_enabled(class) && !ata_class_disabled(class);
|
||||
}
|
||||
|
||||
static inline unsigned int ata_dev_enabled(const struct ata_device *dev)
|
||||
{
|
||||
return ata_class_enabled(dev->class);
|
||||
}
|
||||
|
||||
static inline unsigned int ata_dev_disabled(const struct ata_device *dev)
|
||||
{
|
||||
return ata_class_disabled(dev->class);
|
||||
}
|
||||
|
||||
static inline unsigned int ata_dev_absent(const struct ata_device *dev)
|
||||
{
|
||||
return ata_class_absent(dev->class);
|
||||
}
|
||||
|
||||
static inline u8 ata_chk_status(struct ata_port *ap)
|
||||
|
|
@ -759,20 +995,35 @@ static inline void ata_qc_set_polling(struct ata_queued_cmd *qc)
|
|||
qc->tf.ctl |= ATA_NIEN;
|
||||
}
|
||||
|
||||
static inline struct ata_queued_cmd *ata_qc_from_tag (struct ata_port *ap,
|
||||
unsigned int tag)
|
||||
static inline struct ata_queued_cmd *__ata_qc_from_tag(struct ata_port *ap,
|
||||
unsigned int tag)
|
||||
{
|
||||
if (likely(ata_tag_valid(tag)))
|
||||
return &ap->qcmd[tag];
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static inline void ata_tf_init(struct ata_port *ap, struct ata_taskfile *tf, unsigned int device)
|
||||
static inline struct ata_queued_cmd *ata_qc_from_tag(struct ata_port *ap,
|
||||
unsigned int tag)
|
||||
{
|
||||
struct ata_queued_cmd *qc = __ata_qc_from_tag(ap, tag);
|
||||
|
||||
if (unlikely(!qc) || !ap->ops->error_handler)
|
||||
return qc;
|
||||
|
||||
if ((qc->flags & (ATA_QCFLAG_ACTIVE |
|
||||
ATA_QCFLAG_FAILED)) == ATA_QCFLAG_ACTIVE)
|
||||
return qc;
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static inline void ata_tf_init(struct ata_device *dev, struct ata_taskfile *tf)
|
||||
{
|
||||
memset(tf, 0, sizeof(*tf));
|
||||
|
||||
tf->ctl = ap->ctl;
|
||||
if (device == 0)
|
||||
tf->ctl = dev->ap->ctl;
|
||||
if (dev->devno == 0)
|
||||
tf->device = ATA_DEVICE_OBS;
|
||||
else
|
||||
tf->device = ATA_DEVICE_OBS | ATA_DEV1;
|
||||
|
|
@ -787,26 +1038,11 @@ static inline void ata_qc_reinit(struct ata_queued_cmd *qc)
|
|||
qc->nbytes = qc->curbytes = 0;
|
||||
qc->err_mask = 0;
|
||||
|
||||
ata_tf_init(qc->ap, &qc->tf, qc->dev->devno);
|
||||
}
|
||||
ata_tf_init(qc->dev, &qc->tf);
|
||||
|
||||
/**
|
||||
* ata_qc_complete - Complete an active ATA command
|
||||
* @qc: Command to complete
|
||||
* @err_mask: ATA Status register contents
|
||||
*
|
||||
* Indicate to the mid and upper layers that an ATA
|
||||
* command has completed, with either an ok or not-ok status.
|
||||
*
|
||||
* LOCKING:
|
||||
* spin_lock_irqsave(host_set lock)
|
||||
*/
|
||||
static inline void ata_qc_complete(struct ata_queued_cmd *qc)
|
||||
{
|
||||
if (unlikely(qc->flags & ATA_QCFLAG_EH_SCHEDULED))
|
||||
return;
|
||||
|
||||
__ata_qc_complete(qc);
|
||||
/* init result_tf such that it indicates normal completion */
|
||||
qc->result_tf.command = ATA_DRDY;
|
||||
qc->result_tf.feature = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
|
|
@ -885,28 +1121,6 @@ static inline u8 ata_irq_ack(struct ata_port *ap, unsigned int chk_drq)
|
|||
return status;
|
||||
}
|
||||
|
||||
static inline u32 scr_read(struct ata_port *ap, unsigned int reg)
|
||||
{
|
||||
return ap->ops->scr_read(ap, reg);
|
||||
}
|
||||
|
||||
static inline void scr_write(struct ata_port *ap, unsigned int reg, u32 val)
|
||||
{
|
||||
ap->ops->scr_write(ap, reg, val);
|
||||
}
|
||||
|
||||
static inline void scr_write_flush(struct ata_port *ap, unsigned int reg,
|
||||
u32 val)
|
||||
{
|
||||
ap->ops->scr_write(ap, reg, val);
|
||||
(void) ap->ops->scr_read(ap, reg);
|
||||
}
|
||||
|
||||
static inline unsigned int sata_dev_present(struct ata_port *ap)
|
||||
{
|
||||
return ((scr_read(ap, SCR_STATUS) & 0xf) == 0x3) ? 1 : 0;
|
||||
}
|
||||
|
||||
static inline int ata_try_flush_cache(const struct ata_device *dev)
|
||||
{
|
||||
return ata_id_wcache_enabled(dev->id) ||
|
||||
|
|
@ -916,7 +1130,7 @@ static inline int ata_try_flush_cache(const struct ata_device *dev)
|
|||
|
||||
static inline unsigned int ac_err_mask(u8 status)
|
||||
{
|
||||
if (status & ATA_BUSY)
|
||||
if (status & (ATA_BUSY | ATA_DRQ))
|
||||
return AC_ERR_HSM;
|
||||
if (status & (ATA_ERR | ATA_DF))
|
||||
return AC_ERR_DEV;
|
||||
|
|
@ -944,4 +1158,9 @@ static inline void ata_pad_free(struct ata_port *ap, struct device *dev)
|
|||
dma_free_coherent(dev, ATA_DMA_PAD_BUF_SZ, ap->pad, ap->pad_dma);
|
||||
}
|
||||
|
||||
static inline struct ata_port *ata_shost_to_port(struct Scsi_Host *host)
|
||||
{
|
||||
return (struct ata_port *) &host->hostdata[0];
|
||||
}
|
||||
|
||||
#endif /* __LINUX_LIBATA_H__ */
|
||||
|
|
|
|||
|
|
@ -1196,8 +1196,12 @@
|
|||
#define PCI_DEVICE_ID_NVIDIA_NVENET_15 0x0373
|
||||
#define PCI_DEVICE_ID_NVIDIA_NVENET_16 0x03E5
|
||||
#define PCI_DEVICE_ID_NVIDIA_NVENET_17 0x03E6
|
||||
#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA 0x03E7
|
||||
#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE 0x03EC
|
||||
#define PCI_DEVICE_ID_NVIDIA_NVENET_18 0x03EE
|
||||
#define PCI_DEVICE_ID_NVIDIA_NVENET_19 0x03EF
|
||||
#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2 0x03F6
|
||||
#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3 0x03F7
|
||||
#define PCI_DEVICE_ID_NVIDIA_NVENET_20 0x0450
|
||||
#define PCI_DEVICE_ID_NVIDIA_NVENET_21 0x0451
|
||||
#define PCI_DEVICE_ID_NVIDIA_NVENET_22 0x0452
|
||||
|
|
@ -1255,6 +1259,7 @@
|
|||
#define PCI_DEVICE_ID_VIA_PX8X0_0 0x0259
|
||||
#define PCI_DEVICE_ID_VIA_3269_0 0x0269
|
||||
#define PCI_DEVICE_ID_VIA_K8T800PRO_0 0x0282
|
||||
#define PCI_DEVICE_ID_VIA_3296_0 0x0296
|
||||
#define PCI_DEVICE_ID_VIA_8363_0 0x0305
|
||||
#define PCI_DEVICE_ID_VIA_P4M800CE 0x0314
|
||||
#define PCI_DEVICE_ID_VIA_8371_0 0x0391
|
||||
|
|
@ -1262,6 +1267,7 @@
|
|||
#define PCI_DEVICE_ID_VIA_82C561 0x0561
|
||||
#define PCI_DEVICE_ID_VIA_82C586_1 0x0571
|
||||
#define PCI_DEVICE_ID_VIA_82C576 0x0576
|
||||
#define PCI_DEVICE_ID_VIA_SATA_EIDE 0x0581
|
||||
#define PCI_DEVICE_ID_VIA_82C586_0 0x0586
|
||||
#define PCI_DEVICE_ID_VIA_82C596 0x0596
|
||||
#define PCI_DEVICE_ID_VIA_82C597_0 0x0597
|
||||
|
|
@ -1302,10 +1308,11 @@
|
|||
#define PCI_DEVICE_ID_VIA_8783_0 0x3208
|
||||
#define PCI_DEVICE_ID_VIA_8237 0x3227
|
||||
#define PCI_DEVICE_ID_VIA_8251 0x3287
|
||||
#define PCI_DEVICE_ID_VIA_3296_0 0x0296
|
||||
#define PCI_DEVICE_ID_VIA_8237A 0x3337
|
||||
#define PCI_DEVICE_ID_VIA_8231 0x8231
|
||||
#define PCI_DEVICE_ID_VIA_8231_4 0x8235
|
||||
#define PCI_DEVICE_ID_VIA_8365_1 0x8305
|
||||
#define PCI_DEVICE_ID_VIA_CX700 0x8324
|
||||
#define PCI_DEVICE_ID_VIA_8371_1 0x8391
|
||||
#define PCI_DEVICE_ID_VIA_82C598_1 0x8598
|
||||
#define PCI_DEVICE_ID_VIA_838X_1 0xB188
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue