/* 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 */
#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
ATA_DFLAG_SPUNDOWN = (1 << 14), /* XXX: for spindown_compat */
ATA_DFLAG_SLEEPING = (1 << 15), /* device is sleeping */
ATA_DFLAG_DUBIOUS_XFER = (1 << 16), /* data transfer not verified */
+ ATA_DFLAG_NO_UNLOAD = (1 << 17), /* device doesn't support unload */
ATA_DFLAG_INIT_MASK = (1 << 24) - 1,
ATA_DFLAG_DETACH = (1 << 24),
ATA_DEV_NONE = 9, /* no device */
/* struct ata_link flags */
+ ATA_LFLAG_NO_HRST = (1 << 1), /* avoid hardreset */
ATA_LFLAG_NO_SRST = (1 << 2), /* avoid softreset */
ATA_LFLAG_ASSUME_ATA = (1 << 3), /* assume ATA class */
ATA_LFLAG_ASSUME_SEMB = (1 << 4), /* assume SEMB class */
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 */
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
/* various lengths of time */
ATA_TMOUT_BOOT = 30000, /* heuristic */
ATA_TMOUT_BOOT_QUICK = 7000, /* heuristic */
- ATA_TMOUT_INTERNAL = 30000,
ATA_TMOUT_INTERNAL_QUICK = 5000,
+ ATA_TMOUT_MAX_PARK = 30000,
/* FIXME: GoVault needs 2s but we can't afford that without
* parallel probing. 800ms is enough for iVDR disk
ATA_EH_RESET = ATA_EH_SOFTRESET | ATA_EH_HARDRESET,
ATA_EH_ENABLE_LINK = (1 << 3),
ATA_EH_LPM = (1 << 4), /* link power management action */
+ ATA_EH_PARK = (1 << 5), /* unload heads and stop I/O */
- ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE,
+ ATA_EH_PERDEV_MASK = ATA_EH_REVALIDATE | ATA_EH_PARK,
+ ATA_EH_ALL_ACTIONS = ATA_EH_REVALIDATE | ATA_EH_RESET |
+ ATA_EH_ENABLE_LINK | ATA_EH_LPM,
/* ata_eh_info->flags */
ATA_EHI_HOTPLUGGED = (1 << 0), /* could have been hotplugged */
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 */
MEDIUM_POWER,
};
extern struct device_attribute dev_attr_link_power_management_policy;
+extern struct device_attribute dev_attr_unload_heads;
+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 {
struct ata_device {
struct ata_link *link;
unsigned int devno; /* 0 or 1 */
- unsigned long flags; /* ATA_DFLAG_xxx */
unsigned int horkage; /* List of broken features */
+ unsigned long flags; /* ATA_DFLAG_xxx */
struct scsi_device *sdev; /* attached SCSI device */
#ifdef CONFIG_ATA_ACPI
acpi_handle acpi_handle;
/* 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 */
+ unsigned long unpark_deadline;
u8 pio_mode;
u8 dma_mode;
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 unloaded_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
unsigned int flags; /* ATA_LFLAG_xxx */
+ u32 saved_scontrol; /* SControl on probe */
unsigned int hw_sata_spd_limit;
unsigned int sata_spd_limit;
unsigned int sata_spd; /* current SATA PHY speed */
unsigned int qc_active;
int nr_active_links; /* #links with active qcs */
- struct ata_link link; /* host default link */
+ struct ata_link link; /* host default link */
+ struct ata_link *slave_link; /* see ata_slave_link_init() */
int nr_pmp_links; /* nr of available PMP links */
struct ata_link *pmp_link; /* array of PMP links */
struct list_head eh_done_q;
wait_queue_head_t eh_wait_q;
int eh_tries;
+ struct completion park_req_pending;
pm_message_t pm_mesg;
int *pm_result;
struct timer_list fastdrain_timer;
unsigned long fastdrain_cnt;
+ int em_message_type;
void *private_data;
#ifdef CONFIG_ATA_ACPI
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);
/*
* Optional features
*/
- int (*scr_read)(struct ata_port *ap, unsigned int sc_reg, u32 *val);
- int (*scr_write)(struct ata_port *ap, unsigned int sc_reg, u32 val);
+ int (*scr_read)(struct ata_link *link, unsigned int sc_reg, u32 *val);
+ int (*scr_write)(struct ata_link *link, unsigned int sc_reg, u32 val);
void (*pmp_attach)(struct ata_port *ap);
void (*pmp_detach)(struct ata_port *ap);
int (*enable_pm)(struct ata_port *ap, enum link_pm policy);
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
*/
extern struct ata_host *ata_host_alloc(struct device *dev, int max_ports);
extern struct ata_host *ata_host_alloc_pinfo(struct device *dev,
const struct ata_port_info * const * ppi, int n_ports);
+extern int ata_slave_link_init(struct ata_port *ap);
extern int ata_host_start(struct ata_host *host);
extern int ata_host_register(struct ata_host *host,
struct scsi_host_template *sht);
extern int sata_scr_read(struct ata_link *link, int reg, u32 *val);
extern int sata_scr_write(struct ata_link *link, int reg, u32 val);
extern int sata_scr_write_flush(struct ata_link *link, int reg, u32 val);
-extern int ata_link_online(struct ata_link *link);
-extern int ata_link_offline(struct ata_link *link);
+extern bool ata_link_online(struct ata_link *link);
+extern bool ata_link_offline(struct ata_link *link);
#ifdef CONFIG_PM
extern int ata_host_suspend(struct ata_host *host, pm_message_t mesg);
extern void ata_host_resume(struct ata_host *host);
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,
*/
extern const struct ata_port_operations ata_base_port_ops;
extern const struct ata_port_operations sata_port_ops;
+extern struct device_attribute *ata_common_sdev_attrs[];
#define ATA_BASE_SHT(drv_name) \
.module = THIS_MODULE, \
.proc_name = drv_name, \
.slave_configure = ata_scsi_slave_config, \
.slave_destroy = ata_scsi_slave_destroy, \
- .bios_param = ata_std_bios_param
+ .bios_param = ata_std_bios_param, \
+ .sdev_attrs = ata_common_sdev_attrs
#define ATA_NCQ_SHT(drv_name) \
ATA_BASE_SHT(drv_name), \
static inline int ata_is_host_link(const struct ata_link *link)
{
- return link == &link->ap->link;
+ return link == &link->ap->link || link == link->ap->slave_link;
}
#else /* CONFIG_SATA_PMP */
static inline bool sata_pmp_supported(struct ata_port *ap)
printk("%sata%u: "fmt, lv, (ap)->print_id , ##args)
#define ata_link_printk(link, lv, fmt, args...) do { \
- if (sata_pmp_attached((link)->ap)) \
+ if (sata_pmp_attached((link)->ap) || (link)->ap->slave_link) \
printk("%sata%u.%02u: "fmt, lv, (link)->ap->print_id, \
(link)->pmp , ##args); \
else \
return ata_tag_valid(link->active_tag) || link->sactive;
}
-static inline struct ata_link *ata_port_first_link(struct ata_port *ap)
-{
- if (sata_pmp_attached(ap))
- return ap->pmp_link;
- return &ap->link;
-}
-
-static inline struct ata_link *ata_port_next_link(struct ata_link *link)
-{
- struct ata_port *ap = link->ap;
-
- if (ata_is_host_link(link)) {
- if (!sata_pmp_attached(ap))
- return NULL;
- return ap->pmp_link;
- }
-
- if (++link < ap->nr_pmp_links + ap->pmp_link)
- return link;
- return NULL;
-}
+extern struct ata_link *__ata_port_next_link(struct ata_port *ap,
+ struct ata_link *link,
+ bool dev_only);
-#define __ata_port_for_each_link(lk, ap) \
- for ((lk) = &(ap)->link; (lk); (lk) = ata_port_next_link(lk))
+#define __ata_port_for_each_link(link, ap) \
+ for ((link) = __ata_port_next_link((ap), NULL, false); (link); \
+ (link) = __ata_port_next_link((ap), (link), false))
#define ata_port_for_each_link(link, ap) \
- for ((link) = ata_port_first_link(ap); (link); \
- (link) = ata_port_next_link(link))
+ for ((link) = __ata_port_next_link((ap), NULL, true); (link); \
+ (link) = __ata_port_next_link((ap), (link), true))
#define ata_link_for_each_dev(dev, link) \
for ((dev) = (link)->device; \
return from_jiffies + msecs_to_jiffies(timeout_msecs);
}
+/* Don't open code these in drivers as there are traps. Firstly the range may
+ change in future hardware and specs, secondly 0xFF means 'no DMA' but is
+ > UDMA_0. Dyma ddreigiau */
+
+static inline int ata_using_mwdma(struct ata_device *adev)
+{
+ if (adev->dma_mode >= XFER_MW_DMA_0 && adev->dma_mode <= XFER_MW_DMA_4)
+ return 1;
+ return 0;
+}
+
+static inline int ata_using_udma(struct ata_device *adev)
+{
+ if (adev->dma_mode >= XFER_UDMA_0 && adev->dma_mode <= XFER_UDMA_7)
+ return 1;
+ return 0;
+}
+
+static inline int ata_dma_enabled(struct ata_device *adev)
+{
+ return (adev->dma_mode == 0xFF ? 0 : 1);
+}
/**************************************************************************
* PMP - drivers/ata/libata-pmp.c
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff