X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Flibata.h;h=06b80337303b805bffcc2920b0d8796004f902ef;hb=a697690bece75d4ba424c1318eb25c37d41d5829;hp=e57e5d08312d44929321204c1c0600b1068f82eb;hpb=a9da4f7ed6a702996ac9d1bbaf1a3969a4c092b3;p=linux-2.6 diff --git a/include/linux/libata.h b/include/linux/libata.h index e57e5d0831..06b8033730 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -27,6 +27,7 @@ #define __LINUX_LIBATA_H__ #include +#include #include #include #include @@ -59,9 +60,9 @@ /* note: prints function name for you */ #ifdef ATA_DEBUG -#define DPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args) +#define DPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args) #ifdef ATA_VERBOSE_DEBUG -#define VPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args) +#define VPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args) #else #define VPRINTK(fmt, args...) #endif /* ATA_VERBOSE_DEBUG */ @@ -70,7 +71,7 @@ #define VPRINTK(fmt, args...) #endif /* ATA_DEBUG */ -#define BPRINTK(fmt, args...) if (ap->flags & ATA_FLAG_DEBUGMSG) printk(KERN_ERR "%s: " fmt, __FUNCTION__, ## args) +#define BPRINTK(fmt, args...) if (ap->flags & ATA_FLAG_DEBUGMSG) printk(KERN_ERR "%s: " fmt, __func__, ## args) /* NEW: debug levels */ #define HAVE_LIBATA_MSG 1 @@ -115,7 +116,7 @@ enum { /* tag ATA_MAX_QUEUE - 1 is reserved for internal commands */ ATA_MAX_QUEUE = 32, ATA_TAG_INTERNAL = ATA_MAX_QUEUE - 1, - ATA_SHORT_PAUSE = (HZ >> 6) + 1, + ATA_SHORT_PAUSE = 16, ATAPI_MAX_DRAIN = 16 << 10, @@ -168,6 +169,7 @@ enum { ATA_LFLAG_ASSUME_CLASS = ATA_LFLAG_ASSUME_ATA | ATA_LFLAG_ASSUME_SEMB, ATA_LFLAG_NO_RETRY = (1 << 5), /* don't retry this link */ ATA_LFLAG_DISABLED = (1 << 6), /* link is disabled */ + ATA_LFLAG_SW_ACTIVITY = (1 << 7), /* keep activity stats */ /* struct ata_port flags */ ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */ @@ -190,6 +192,10 @@ enum { ATA_FLAG_AN = (1 << 18), /* controller supports AN */ ATA_FLAG_PMP = (1 << 19), /* controller supports PMP */ ATA_FLAG_IPM = (1 << 20), /* driver can handle IPM */ + ATA_FLAG_EM = (1 << 21), /* driver supports enclosure + * management */ + ATA_FLAG_SW_ACTIVITY = (1 << 22), /* driver supports sw activity + * led */ /* The following flag belongs to ap->pflags but is kept in * ap->flags because it's referenced in many LLDs and will be @@ -234,17 +240,16 @@ enum { /* bits 24:31 of host->flags are reserved for LLD specific flags */ /* various lengths of time */ - ATA_TMOUT_BOOT = 30 * HZ, /* heuristic */ - ATA_TMOUT_BOOT_QUICK = 7 * HZ, /* heuristic */ - ATA_TMOUT_INTERNAL = 30 * HZ, - ATA_TMOUT_INTERNAL_QUICK = 5 * HZ, + ATA_TMOUT_BOOT = 30000, /* heuristic */ + ATA_TMOUT_BOOT_QUICK = 7000, /* heuristic */ + ATA_TMOUT_INTERNAL_QUICK = 5000, /* FIXME: GoVault needs 2s but we can't afford that without * parallel probing. 800ms is enough for iVDR disk * HHD424020F7SV00. Increase to 2secs when parallel probing * is in place. */ - ATA_TMOUT_FF_WAIT = 4 * HZ / 5, + ATA_TMOUT_FF_WAIT = 800, /* Spec mandates to wait for ">= 2ms" before checking status * after reset. We wait 150ms, because that was the magic @@ -256,14 +261,14 @@ enum { * * Old drivers/ide uses the 2mS rule and then waits for ready. */ - ATA_WAIT_AFTER_RESET_MSECS = 150, + ATA_WAIT_AFTER_RESET = 150, /* If PMP is supported, we have to do follow-up SRST. As some * PMPs don't send D2H Reg FIS after hardreset, LLDs are * advised to wait only for the following duration before * doing SRST. */ - ATA_TMOUT_PMP_SRST_WAIT = 1 * HZ, + ATA_TMOUT_PMP_SRST_WAIT = 1000, /* ATA bus states */ BUS_UNKNOWN = 0, @@ -340,6 +345,11 @@ enum { SATA_PMP_RW_TIMEOUT = 3000, /* PMP read/write timeout */ + /* This should match the actual table size of + * ata_eh_cmd_timeout_table in libata-eh.c. + */ + ATA_EH_CMD_TIMEOUT_TABLE_SIZE = 5, + /* Horkage types. May be set by libata or controller on drives (some horkage may be drive/controller pair dependant */ @@ -441,6 +451,15 @@ enum link_pm { MEDIUM_POWER, }; extern struct device_attribute dev_attr_link_power_management_policy; +extern struct device_attribute dev_attr_em_message_type; +extern struct device_attribute dev_attr_em_message; +extern struct device_attribute dev_attr_sw_activity; + +enum sw_activity { + OFF, + BLINK_ON, + BLINK_OFF, +}; #ifdef CONFIG_ATA_SFF struct ata_ioports { @@ -597,10 +616,14 @@ struct ata_eh_info { struct ata_eh_context { struct ata_eh_info i; int tries[ATA_MAX_DEVICES]; + int cmd_timeout_idx[ATA_MAX_DEVICES] + [ATA_EH_CMD_TIMEOUT_TABLE_SIZE]; unsigned int classes[ATA_MAX_DEVICES]; unsigned int did_probe_mask; unsigned int saved_ncq_enabled; u8 saved_xfer_mode[ATA_MAX_DEVICES]; + /* timestamp for the last reset attempt or success */ + unsigned long last_reset; }; struct ata_acpi_drive @@ -692,6 +715,7 @@ struct ata_port { struct timer_list fastdrain_timer; unsigned long fastdrain_cnt; + int em_message_type; void *private_data; #ifdef CONFIG_ATA_ACPI @@ -726,6 +750,7 @@ struct ata_port_operations { void (*set_piomode)(struct ata_port *ap, struct ata_device *dev); void (*set_dmamode)(struct ata_port *ap, struct ata_device *dev); int (*set_mode)(struct ata_link *link, struct ata_device **r_failed_dev); + unsigned int (*read_id)(struct ata_device *dev, struct ata_taskfile *tf, u16 *id); void (*dev_config)(struct ata_device *dev); @@ -783,6 +808,12 @@ struct ata_port_operations { u8 (*bmdma_status)(struct ata_port *ap); #endif /* CONFIG_ATA_SFF */ + ssize_t (*em_show)(struct ata_port *ap, char *buf); + ssize_t (*em_store)(struct ata_port *ap, const char *message, + size_t size); + ssize_t (*sw_activity_show)(struct ata_device *dev, char *buf); + ssize_t (*sw_activity_store)(struct ata_device *dev, + enum sw_activity val); /* * Obsolete */ @@ -895,8 +926,7 @@ extern void ata_host_resume(struct ata_host *host); #endif extern int ata_ratelimit(void); extern u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val, - unsigned long interval_msec, - unsigned long timeout_msec); + unsigned long interval, unsigned long timeout); extern int atapi_cmd_type(u8 opcode); extern void ata_tf_to_fis(const struct ata_taskfile *tf, u8 pmp, int is_cmd, u8 *fis); @@ -922,6 +952,8 @@ extern void ata_id_string(const u16 *id, unsigned char *s, unsigned int ofs, unsigned int len); extern void ata_id_c_string(const u16 *id, unsigned char *s, unsigned int ofs, unsigned int len); +extern unsigned int ata_do_dev_read_id(struct ata_device *dev, + struct ata_taskfile *tf, u16 *id); extern void ata_qc_complete(struct ata_queued_cmd *qc); extern int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active); extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd, @@ -1389,6 +1421,12 @@ static inline int ata_check_ready(u8 status) return 0; } +static inline unsigned long ata_deadline(unsigned long from_jiffies, + unsigned long timeout_msecs) +{ + return from_jiffies + msecs_to_jiffies(timeout_msecs); +} + /************************************************************************** * PMP - drivers/ata/libata-pmp.c