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-rw-r--r--include/linux/ata.h34
-rw-r--r--include/linux/libata.h386
-rw-r--r--include/linux/pci_ids.h4
-rw-r--r--include/scsi/scsi_cmnd.h1
-rw-r--r--include/scsi/scsi_host.h1
5 files changed, 311 insertions, 115 deletions
diff --git a/include/linux/ata.h b/include/linux/ata.h
index 312a2c0c64e..c494e1c0531 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 */
@@ -130,6 +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,
@@ -148,6 +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,
@@ -192,6 +201,16 @@ 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 */
@@ -199,6 +218,7 @@ enum {
ATA_TFLAG_WRITE = (1 << 3), /* data dir: host->dev==1 (write) */
ATA_TFLAG_LBA = (1 << 4), /* enable LBA */
ATA_TFLAG_FUA = (1 << 5), /* enable FUA */
+ ATA_TFLAG_POLLING = (1 << 6), /* set nIEN to 1 and use polling */
};
enum ata_tf_protocols {
@@ -207,6 +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 */
@@ -262,6 +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) \
@@ -272,6 +295,8 @@ struct ata_taskfile {
((u64) (id)[(n) + 1] << 16) | \
((u64) (id)[(n) + 0]) )
+#define ata_id_cdb_intr(id) (((id)[0] & 0x60) == 0x20)
+
static inline unsigned int ata_id_major_version(const u16 *id)
{
unsigned int mver;
@@ -311,6 +336,15 @@ 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) ||
+ (tf->command == ATA_CMD_WRITE_MULTI_FUA_EXT);
+}
+
static inline int ata_ok(u8 status)
{
return ((status & (ATA_BUSY | ATA_DRDY | ATA_DF | ATA_DRQ | ATA_ERR))
diff --git a/include/linux/libata.h b/include/linux/libata.h
index b80d2e7fa6d..9c60b4a4e2f 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -33,6 +33,7 @@
#include <asm/io.h>
#include <linux/ata.h>
#include <linux/workqueue.h>
+#include <scsi/scsi_host.h>
/*
* compile-time options: to be removed as soon as all the drivers are
@@ -44,7 +45,6 @@
#undef ATA_NDEBUG /* define to disable quick runtime checks */
#undef ATA_ENABLE_PATA /* define to enable PATA support in some
* low-level drivers */
-#undef ATAPI_ENABLE_DMADIR /* enables ATAPI DMADIR bridge support */
/* note: prints function name for you */
@@ -108,8 +108,11 @@ enum {
LIBATA_MAX_PRD = ATA_MAX_PRD / 2,
ATA_MAX_PORTS = 8,
ATA_DEF_QUEUE = 1,
- ATA_MAX_QUEUE = 1,
+ /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */
+ ATA_MAX_QUEUE = 32,
+ ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1,
ATA_MAX_SECTORS = 200, /* FIXME */
+ ATA_MAX_SECTORS_LBA48 = 65535,
ATA_MAX_BUS = 2,
ATA_DEF_BUSY_WAIT = 10000,
ATA_SHORT_PAUSE = (HZ >> 6) + 1,
@@ -120,9 +123,13 @@ enum {
ATA_SHT_USE_CLUSTERING = 1,
/* struct ata_device stuff */
- ATA_DFLAG_LBA48 = (1 << 0), /* device supports LBA48 */
- ATA_DFLAG_PIO = (1 << 1), /* device currently in PIO mode */
- ATA_DFLAG_LBA = (1 << 2), /* device supports LBA */
+ ATA_DFLAG_LBA = (1 << 0), /* device supports LBA */
+ ATA_DFLAG_LBA48 = (1 << 1), /* device supports LBA48 */
+ ATA_DFLAG_CDB_INTR = (1 << 2), /* device asserts INTRQ when ready for CDB */
+ ATA_DFLAG_NCQ = (1 << 3), /* device supports NCQ */
+ ATA_DFLAG_CFG_MASK = (1 << 8) - 1,
+
+ ATA_DFLAG_PIO = (1 << 8), /* device currently in PIO mode */
ATA_DEV_UNKNOWN = 0, /* unknown device */
ATA_DEV_ATA = 1, /* ATA device */
@@ -132,43 +139,50 @@ enum {
ATA_DEV_NONE = 5, /* no device */
/* struct ata_port flags */
- ATA_FLAG_SLAVE_POSS = (1 << 1), /* host supports slave dev */
+ ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */
/* (doesn't imply presence) */
- ATA_FLAG_PORT_DISABLED = (1 << 2), /* port is disabled, ignore it */
- ATA_FLAG_SATA = (1 << 3),
- ATA_FLAG_NO_LEGACY = (1 << 4), /* no legacy mode check */
- ATA_FLAG_SRST = (1 << 5), /* (obsolete) use ATA SRST, not E.D.D. */
- ATA_FLAG_MMIO = (1 << 6), /* use MMIO, not PIO */
- ATA_FLAG_SATA_RESET = (1 << 7), /* (obsolete) use COMRESET */
- ATA_FLAG_PIO_DMA = (1 << 8), /* PIO cmds via DMA */
- ATA_FLAG_NOINTR = (1 << 9), /* FIXME: Remove this once
- * proper HSM is in place. */
- ATA_FLAG_DEBUGMSG = (1 << 10),
- ATA_FLAG_NO_ATAPI = (1 << 11), /* No ATAPI support */
-
- ATA_FLAG_SUSPENDED = (1 << 12), /* port is suspended */
-
- ATA_FLAG_PIO_LBA48 = (1 << 13), /* Host DMA engine is LBA28 only */
- ATA_FLAG_IRQ_MASK = (1 << 14), /* Mask IRQ in PIO xfers */
-
- ATA_FLAG_FLUSH_PORT_TASK = (1 << 15), /* Flush port task */
- ATA_FLAG_IN_EH = (1 << 16), /* EH in progress */
-
- ATA_QCFLAG_ACTIVE = (1 << 1), /* cmd not yet ack'd to scsi lyer */
- ATA_QCFLAG_SG = (1 << 3), /* have s/g table? */
- ATA_QCFLAG_SINGLE = (1 << 4), /* no s/g, just a single buffer */
+ ATA_FLAG_SATA = (1 << 1),
+ ATA_FLAG_NO_LEGACY = (1 << 2), /* no legacy mode check */
+ ATA_FLAG_MMIO = (1 << 3), /* use MMIO, not PIO */
+ ATA_FLAG_SRST = (1 << 4), /* (obsolete) use ATA SRST, not E.D.D. */
+ ATA_FLAG_SATA_RESET = (1 << 5), /* (obsolete) use COMRESET */
+ ATA_FLAG_NO_ATAPI = (1 << 6), /* No ATAPI support */
+ ATA_FLAG_PIO_DMA = (1 << 7), /* PIO cmds via DMA */
+ ATA_FLAG_PIO_LBA48 = (1 << 8), /* Host DMA engine is LBA28 only */
+ ATA_FLAG_PIO_POLLING = (1 << 10), /* use polling PIO if LLD
+ * doesn't handle PIO interrupts */
+ ATA_FLAG_NCQ = (1 << 11), /* host supports NCQ */
+
+ ATA_FLAG_DEBUGMSG = (1 << 14),
+ ATA_FLAG_FLUSH_PORT_TASK = (1 << 15), /* flush port task */
+
+ ATA_FLAG_EH_PENDING = (1 << 16), /* EH pending */
+ ATA_FLAG_FROZEN = (1 << 17), /* port is frozen */
+ ATA_FLAG_RECOVERED = (1 << 18), /* recovery action performed */
+
+ ATA_FLAG_DISABLED = (1 << 22), /* port is disabled, ignore it */
+ ATA_FLAG_SUSPENDED = (1 << 23), /* port is suspended (power) */
+
+ /* bits 24:31 of ap->flags are reserved for LLDD specific flags */
+
+ /* struct ata_queued_cmd flags */
+ ATA_QCFLAG_ACTIVE = (1 << 0), /* cmd not yet ack'd to scsi lyer */
+ ATA_QCFLAG_SG = (1 << 1), /* have s/g table? */
+ ATA_QCFLAG_SINGLE = (1 << 2), /* no s/g, just a single buffer */
ATA_QCFLAG_DMAMAP = ATA_QCFLAG_SG | ATA_QCFLAG_SINGLE,
- ATA_QCFLAG_EH_SCHEDULED = (1 << 5), /* EH scheduled */
+ ATA_QCFLAG_IO = (1 << 3), /* standard IO command */
+ ATA_QCFLAG_RESULT_TF = (1 << 4), /* result TF requested */
+
+ ATA_QCFLAG_FAILED = (1 << 16), /* cmd failed and is owned by EH */
+ ATA_QCFLAG_SENSE_VALID = (1 << 17), /* sense data valid */
+ ATA_QCFLAG_EH_SCHEDULED = (1 << 18), /* EH scheduled (obsolete) */
/* host set flags */
ATA_HOST_SIMPLEX = (1 << 0), /* Host is simplex, one DMA channel per host_set only */
/* various lengths of time */
- ATA_TMOUT_PIO = 30 * HZ,
ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */
ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */
- ATA_TMOUT_CDB = 30 * HZ,
- ATA_TMOUT_CDB_QUICK = 5 * HZ,
ATA_TMOUT_INTERNAL = 30 * HZ,
ATA_TMOUT_INTERNAL_QUICK = 5 * HZ,
@@ -207,21 +221,44 @@ enum {
/* size of buffer to pad xfers ending on unaligned boundaries */
ATA_DMA_PAD_SZ = 4,
ATA_DMA_PAD_BUF_SZ = ATA_DMA_PAD_SZ * ATA_MAX_QUEUE,
-
- /* Masks for port functions */
+
+ /* masks for port functions */
ATA_PORT_PRIMARY = (1 << 0),
ATA_PORT_SECONDARY = (1 << 1),
+
+ /* ering size */
+ ATA_ERING_SIZE = 32,
+
+ /* desc_len for ata_eh_info and context */
+ ATA_EH_DESC_LEN = 80,
+
+ /* reset / recovery action types */
+ ATA_EH_REVALIDATE = (1 << 0),
+ ATA_EH_SOFTRESET = (1 << 1),
+ ATA_EH_HARDRESET = (1 << 2),
+
+ ATA_EH_RESET_MASK = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
+
+ /* ata_eh_info->flags */
+ ATA_EHI_DID_RESET = (1 << 0), /* already reset this port */
+
+ /* max repeat if error condition is still set after ->error_handler */
+ ATA_EH_MAX_REPEAT = 5,
+
+ /* how hard are we gonna try to probe/recover devices */
+ ATA_PROBE_MAX_TRIES = 3,
+ ATA_EH_RESET_TRIES = 3,
+ ATA_EH_DEV_TRIES = 3,
};
enum hsm_task_states {
- HSM_ST_UNKNOWN,
- HSM_ST_IDLE,
- HSM_ST_POLL,
- HSM_ST_TMOUT,
- HSM_ST,
- HSM_ST_LAST,
- HSM_ST_LAST_POLL,
- HSM_ST_ERR,
+ HSM_ST_UNKNOWN, /* state unknown */
+ HSM_ST_IDLE, /* no command on going */
+ HSM_ST, /* (waiting the device to) transfer data */
+ HSM_ST_LAST, /* (waiting the device to) complete command */
+ HSM_ST_ERR, /* error */
+ HSM_ST_FIRST, /* (waiting the device to)
+ write CDB or first data block */
};
enum ata_completion_errors {
@@ -245,7 +282,7 @@ struct ata_queued_cmd;
/* typedefs */
typedef void (*ata_qc_cb_t) (struct ata_queued_cmd *qc);
typedef void (*ata_probeinit_fn_t)(struct ata_port *);
-typedef int (*ata_reset_fn_t)(struct ata_port *, int, unsigned int *);
+typedef int (*ata_reset_fn_t)(struct ata_port *, unsigned int *);
typedef void (*ata_postreset_fn_t)(struct ata_port *ap, unsigned int *);
struct ata_ioports {
@@ -336,7 +373,7 @@ struct ata_queued_cmd {
struct scatterlist *__sg;
unsigned int err_mask;
-
+ struct ata_taskfile result_tf;
ata_qc_cb_t complete_fn;
void *private_data;
@@ -348,12 +385,24 @@ struct ata_host_stats {
unsigned long rw_reqbuf;
};
+struct ata_ering_entry {
+ int is_io;
+ unsigned int err_mask;
+ u64 timestamp;
+};
+
+struct ata_ering {
+ int cursor;
+ struct ata_ering_entry ring[ATA_ERING_SIZE];
+};
+
struct ata_device {
+ struct ata_port *ap;
u64 n_sectors; /* size of device, if ATA */
unsigned long flags; /* ATA_DFLAG_xxx */
unsigned int class; /* ATA_DEV_xxx */
unsigned int devno; /* 0 or 1 */
- u16 *id; /* IDENTIFY xxx DEVICE data */
+ u16 id[ATA_ID_WORDS]; /* IDENTIFY xxx DEVICE data */
u8 pio_mode;
u8 dma_mode;
u8 xfer_mode;
@@ -373,6 +422,24 @@ 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;
+};
+
+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 flags; /* ATA_EHI_* flags */
+ char desc[ATA_EH_DESC_LEN];
+ int desc_len;
+};
+
+struct ata_eh_context {
+ struct ata_eh_info i;
+ int tries[ATA_MAX_DEVICES];
};
struct ata_port {
@@ -397,12 +464,21 @@ struct ata_port {
unsigned int mwdma_mask;
unsigned int udma_mask;
unsigned int cbl; /* cable type; ATA_CBL_xxx */
+ 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;
@@ -411,12 +487,13 @@ struct ata_port {
struct work_struct port_task;
unsigned int hsm_task_state;
- unsigned long pio_task_timeout;
u32 msg_enable;
struct list_head eh_done_q;
void *private_data;
+
+ u8 sector_buf[ATA_SECT_SIZE]; /* owned by EH */
};
struct ata_port_operations {
@@ -447,10 +524,20 @@ 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 *);
@@ -496,18 +583,16 @@ 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 sata_set_spd(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 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
@@ -523,20 +608,27 @@ 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
@@ -555,6 +647,10 @@ 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_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 +668,26 @@ 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_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 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 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 +733,50 @@ 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_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)
+/*
+ * qc helpers
+ */
static inline int
ata_sg_is_last(struct scatterlist *sg, struct ata_queued_cmd *qc)
{
@@ -671,14 +819,39 @@ 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 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_present(dev->class);
+ 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 +932,35 @@ 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 +975,11 @@ 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_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_tf_init(qc->dev, &qc->tf);
- __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 +1058,6 @@ 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 +1067,7 @@ 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 +1095,9 @@ 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__ */
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index d6fe048376a..233f60741c8 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1182,6 +1182,10 @@
#define PCI_DEVICE_ID_NVIDIA_QUADRO_FX_1100 0x034E
#define PCI_DEVICE_ID_NVIDIA_NVENET_14 0x0372
#define PCI_DEVICE_ID_NVIDIA_NVENET_15 0x0373
+#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA 0x03E7
+#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_IDE 0x03EC
+#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2 0x03F6
+#define PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3 0x03F7
#define PCI_VENDOR_ID_IMS 0x10e0
#define PCI_DEVICE_ID_IMS_TT128 0x9128
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 1ace1b9fe53..88c6c4da6c0 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -151,5 +151,6 @@ extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
extern void scsi_put_command(struct scsi_cmnd *);
extern void scsi_io_completion(struct scsi_cmnd *, unsigned int, unsigned int);
extern void scsi_finish_command(struct scsi_cmnd *cmd);
+extern void scsi_req_abort_cmd(struct scsi_cmnd *cmd);
#endif /* _SCSI_SCSI_CMND_H */
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index de6ce541a04..a42efd6e4be 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -472,6 +472,7 @@ struct Scsi_Host {
*/
unsigned int host_busy; /* commands actually active on low-level */
unsigned int host_failed; /* commands that failed. */
+ unsigned int host_eh_scheduled; /* EH scheduled without command */
unsigned short host_no; /* Used for IOCTL_GET_IDLUN, /proc/scsi et al. */
int resetting; /* if set, it means that last_reset is a valid value */