#include <scsi/scsi_host.h>
#include <linux/acpi.h>
#include <linux/cdrom.h>
+#include <linux/sched.h>
/*
* Define if arch has non-standard setup. This is a _PCI_ standard
#define BPRINTK(fmt, args...) if (ap->flags & ATA_FLAG_DEBUGMSG) printk(KERN_ERR "%s: " fmt, __func__, ## args)
+#define ata_print_version_once(dev, version) \
+({ \
+ static bool __print_once; \
+ \
+ if (!__print_once) { \
+ __print_once = true; \
+ ata_print_version(dev, version); \
+ } \
+})
+
/* NEW: debug levels */
#define HAVE_LIBATA_MSG 1
ATA_DFLAG_ACPI_PENDING = (1 << 5), /* ACPI resume action pending */
ATA_DFLAG_ACPI_FAILED = (1 << 6), /* ACPI on devcfg has failed */
ATA_DFLAG_AN = (1 << 7), /* AN configured */
- ATA_DFLAG_HIPM = (1 << 8), /* device supports HIPM */
- ATA_DFLAG_DIPM = (1 << 9), /* device supports DIPM */
ATA_DFLAG_DMADIR = (1 << 10), /* device requires DMADIR */
ATA_DFLAG_CFG_MASK = (1 << 12) - 1,
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 */
+ ATA_LFLAG_NO_LPM = (1 << 8), /* disable LPM on this link */
/* struct ata_port flags */
ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */
/* (doesn't imply presence) */
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_ACPI_SATA = (1 << 17), /* need native SATA ACPI layout */
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 */
+ ATA_FLAG_NO_DIPM = (1 << 23), /* host not happy with DIPM */
/* bits 24:31 of ap->flags are reserved for LLD specific flags */
ATA_EH_HARDRESET = (1 << 2), /* meaningful only in ->prereset */
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_PARK,
ATA_EH_ALL_ACTIONS = ATA_EH_REVALIDATE | ATA_EH_RESET |
- ATA_EH_ENABLE_LINK | ATA_EH_LPM,
+ ATA_EH_ENABLE_LINK,
/* ata_eh_info->flags */
ATA_EHI_HOTPLUGGED = (1 << 0), /* could have been hotplugged */
ATA_EHI_NO_AUTOPSY = (1 << 2), /* no autopsy */
ATA_EHI_QUIET = (1 << 3), /* be quiet */
+ ATA_EHI_NO_RECOVERY = (1 << 4), /* no recovery */
ATA_EHI_DID_SOFTRESET = (1 << 16), /* already soft-reset this port */
ATA_EHI_DID_HARDRESET = (1 << 17), /* already soft-reset this port */
ATA_EHI_PRINTINFO = (1 << 18), /* print configuration info */
ATA_EHI_SETMODE = (1 << 19), /* configure transfer mode */
- ATA_EHI_POST_SETMODE = (1 << 20), /* revaildating after setmode */
+ ATA_EHI_POST_SETMODE = (1 << 20), /* revalidating after setmode */
ATA_EHI_DID_RESET = ATA_EHI_DID_SOFTRESET | ATA_EHI_DID_HARDRESET,
ATA_EH_CMD_TIMEOUT_TABLE_SIZE = 6,
/* Horkage types. May be set by libata or controller on drives
- (some horkage may be drive/controller pair dependant */
+ (some horkage may be drive/controller pair dependent */
ATA_HORKAGE_DIAGNOSTIC = (1 << 0), /* Failed boot diag */
ATA_HORKAGE_NODMA = (1 << 1), /* DMA problems */
ATA_HORKAGE_BROKEN_HPA = (1 << 4), /* Broken HPA */
ATA_HORKAGE_DISABLE = (1 << 5), /* Disable it */
ATA_HORKAGE_HPA_SIZE = (1 << 6), /* native size off by one */
- ATA_HORKAGE_IPM = (1 << 7), /* Link PM problems */
ATA_HORKAGE_IVB = (1 << 8), /* cbl det validity bit bugs */
ATA_HORKAGE_STUCK_ERR = (1 << 9), /* stuck ERR on next PACKET */
ATA_HORKAGE_BRIDGE_OK = (1 << 10), /* no bridge limits */
AC_ERR_NCQ = (1 << 10), /* marker for offending NCQ qc */
};
+/*
+ * Link power management policy: If you alter this, you also need to
+ * alter libata-scsi.c (for the ascii descriptions)
+ */
+enum ata_lpm_policy {
+ ATA_LPM_UNKNOWN,
+ ATA_LPM_MAX_POWER,
+ ATA_LPM_MED_POWER,
+ ATA_LPM_MIN_POWER,
+};
+
+enum ata_lpm_hints {
+ ATA_LPM_EMPTY = (1 << 0), /* port empty/probing */
+ ATA_LPM_HIPM = (1 << 1), /* may use HIPM */
+};
+
/* forward declarations */
struct scsi_device;
struct ata_port_operations;
unsigned long deadline);
typedef void (*ata_postreset_fn_t)(struct ata_link *link, unsigned int *classes);
-/*
- * host pm policy: If you alter this, you also need to alter libata-scsi.c
- * (for the ascii descriptions)
- */
-enum link_pm {
- NOT_AVAILABLE,
- MIN_POWER,
- MAX_PERFORMANCE,
- 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;
void *private_data;
struct ata_port_operations *ops;
unsigned long flags;
+
+ struct mutex eh_mutex;
+ struct task_struct *eh_owner;
+
#ifdef CONFIG_ATA_ACPI
acpi_handle acpi_handle;
#endif
unsigned int extrabytes;
unsigned int curbytes;
- struct scatterlist *cursg;
- unsigned int cursg_ofs;
-
struct scatterlist sgent;
struct scatterlist *sg;
+ struct scatterlist *cursg;
+ unsigned int cursg_ofs;
+
unsigned int err_mask;
struct ata_taskfile result_tf;
ata_qc_cb_t complete_fn;
union acpi_object *gtf_cache;
unsigned int gtf_filter;
#endif
+ struct device tdev;
/* n_sector is CLEAR_BEGIN, read comment above CLEAR_BEGIN */
u64 n_sectors; /* size of device, if ATA */
u64 n_native_sectors; /* native size, if ATA */
struct ata_port *ap;
int pmp; /* port multiplier port # */
+ struct device tdev;
unsigned int active_tag; /* active tag on this link */
u32 sactive; /* active NCQ commands */
unsigned int hw_sata_spd_limit;
unsigned int sata_spd_limit;
unsigned int sata_spd; /* current SATA PHY speed */
+ enum ata_lpm_policy lpm_policy;
/* record runtime error info, protected by host_set lock */
struct ata_eh_info eh_info;
struct ata_device device[ATA_MAX_DEVICES];
};
+#define ATA_LINK_CLEAR_BEGIN offsetof(struct ata_link, active_tag)
+#define ATA_LINK_CLEAR_END offsetof(struct ata_link, device[0])
struct ata_port {
struct Scsi_Host *scsi_host; /* our co-allocated scsi host */
struct ata_ioports ioaddr; /* ATA cmd/ctl/dma register blocks */
u8 ctl; /* cache of ATA control register */
u8 last_ctl; /* Cache last written value */
+ struct ata_link* sff_pio_task_link; /* link currently used */
struct delayed_work sff_pio_task;
#ifdef CONFIG_ATA_BMDMA
struct ata_bmdma_prd *bmdma_prd; /* BMDMA SG list */
struct ata_port_stats stats;
struct ata_host *host;
struct device *dev;
+ struct device tdev;
+ struct mutex scsi_scan_mutex;
struct delayed_work hotplug_task;
struct work_struct scsi_rescan_task;
pm_message_t pm_mesg;
int *pm_result;
- enum link_pm pm_policy;
+ enum ata_lpm_policy target_lpm_policy;
struct timer_list fastdrain_timer;
unsigned long fastdrain_cnt;
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);
- void (*disable_pm)(struct ata_port *ap);
+ int (*set_lpm)(struct ata_link *link, enum ata_lpm_policy policy,
+ unsigned hints);
/*
* Start, stop, suspend and resume
const unsigned long *params, unsigned long deadline);
extern int sata_link_resume(struct ata_link *link, const unsigned long *params,
unsigned long deadline);
+extern int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy,
+ bool spm_wakeup);
extern int sata_link_hardreset(struct ata_link *link,
const unsigned long *timing, unsigned long deadline,
bool *online, int (*check_ready)(struct ata_link *));
unsigned long, struct ata_port_operations *);
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 int ata_scsi_queuecmd(struct Scsi_Host *h, struct scsi_cmnd *cmd);
extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
int cmd, void __user *arg);
extern void ata_sas_port_destroy(struct ata_port *);
extern struct ata_port *ata_sas_port_alloc(struct ata_host *,
struct ata_port_info *, struct Scsi_Host *);
+extern void ata_sas_async_probe(struct ata_port *ap);
+extern int ata_sas_sync_probe(struct ata_port *ap);
extern int ata_sas_port_init(struct ata_port *);
extern int ata_sas_port_start(struct ata_port *ap);
extern void ata_sas_port_stop(struct ata_port *ap);
extern int ata_sas_slave_configure(struct scsi_device *, struct ata_port *);
-extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, void (*done)(struct scsi_cmnd *),
- struct ata_port *ap);
+extern int ata_sas_queuecmd(struct scsi_cmnd *cmd, struct ata_port *ap);
extern int sata_scr_valid(struct ata_link *link);
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 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, unsigned long timeout);
+extern void ata_msleep(struct ata_port *ap, unsigned int msecs);
+extern u32 ata_wait_register(struct ata_port *ap, void __iomem *reg, u32 mask,
+ u32 val, 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);
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,
- void (*done)(struct scsi_cmnd *));
+extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd);
extern int ata_std_bios_param(struct scsi_device *sdev,
struct block_device *bdev,
sector_t capacity, int geom[]);
extern void ata_scsi_slave_destroy(struct scsi_device *sdev);
extern int ata_scsi_change_queue_depth(struct scsi_device *sdev,
int queue_depth, int reason);
+extern int __ata_change_queue_depth(struct ata_port *ap, struct scsi_device *sdev,
+ int queue_depth, int reason);
extern struct ata_device *ata_dev_pair(struct ata_device *adev);
extern int ata_do_set_mode(struct ata_link *link, struct ata_device **r_failed_dev);
+extern void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap);
+extern void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap, struct list_head *eh_q);
extern int ata_cable_40wire(struct ata_port *ap);
extern int ata_cable_80wire(struct ata_port *ap);
* EH - drivers/ata/libata-eh.c
*/
extern void ata_port_schedule_eh(struct ata_port *ap);
+extern void ata_port_wait_eh(struct ata_port *ap);
extern int ata_link_abort(struct ata_link *link);
extern int ata_port_abort(struct ata_port *ap);
extern int ata_port_freeze(struct ata_port *ap);
ata_reset_fn_t softreset, ata_reset_fn_t hardreset,
ata_postreset_fn_t postreset);
extern void ata_std_error_handler(struct ata_port *ap);
+extern int ata_link_nr_enabled(struct ata_link *link);
/*
* Base operations to inherit from and initializers for sht
/*
* printk helpers
*/
-#define ata_port_printk(ap, lv, fmt, args...) \
- printk("%sata%u: "fmt, lv, (ap)->print_id , ##args)
-
-#define ata_link_printk(link, lv, fmt, args...) do { \
- if (sata_pmp_attached((link)->ap) || (link)->ap->slave_link) \
- printk("%sata%u.%02u: "fmt, lv, (link)->ap->print_id, \
- (link)->pmp , ##args); \
- else \
- printk("%sata%u: "fmt, lv, (link)->ap->print_id , ##args); \
- } while(0)
-
-#define ata_dev_printk(dev, lv, fmt, args...) \
- printk("%sata%u.%02u: "fmt, lv, (dev)->link->ap->print_id, \
- (dev)->link->pmp + (dev)->devno , ##args)
+__printf(3, 4)
+int ata_port_printk(const struct ata_port *ap, const char *level,
+ const char *fmt, ...);
+__printf(3, 4)
+int ata_link_printk(const struct ata_link *link, const char *level,
+ const char *fmt, ...);
+__printf(3, 4)
+int ata_dev_printk(const struct ata_device *dev, const char *level,
+ const char *fmt, ...);
+
+#define ata_port_err(ap, fmt, ...) \
+ ata_port_printk(ap, KERN_ERR, fmt, ##__VA_ARGS__)
+#define ata_port_warn(ap, fmt, ...) \
+ ata_port_printk(ap, KERN_WARNING, fmt, ##__VA_ARGS__)
+#define ata_port_notice(ap, fmt, ...) \
+ ata_port_printk(ap, KERN_NOTICE, fmt, ##__VA_ARGS__)
+#define ata_port_info(ap, fmt, ...) \
+ ata_port_printk(ap, KERN_INFO, fmt, ##__VA_ARGS__)
+#define ata_port_dbg(ap, fmt, ...) \
+ ata_port_printk(ap, KERN_DEBUG, fmt, ##__VA_ARGS__)
+
+#define ata_link_err(link, fmt, ...) \
+ ata_link_printk(link, KERN_ERR, fmt, ##__VA_ARGS__)
+#define ata_link_warn(link, fmt, ...) \
+ ata_link_printk(link, KERN_WARNING, fmt, ##__VA_ARGS__)
+#define ata_link_notice(link, fmt, ...) \
+ ata_link_printk(link, KERN_NOTICE, fmt, ##__VA_ARGS__)
+#define ata_link_info(link, fmt, ...) \
+ ata_link_printk(link, KERN_INFO, fmt, ##__VA_ARGS__)
+#define ata_link_dbg(link, fmt, ...) \
+ ata_link_printk(link, KERN_DEBUG, fmt, ##__VA_ARGS__)
+
+#define ata_dev_err(dev, fmt, ...) \
+ ata_dev_printk(dev, KERN_ERR, fmt, ##__VA_ARGS__)
+#define ata_dev_warn(dev, fmt, ...) \
+ ata_dev_printk(dev, KERN_WARNING, fmt, ##__VA_ARGS__)
+#define ata_dev_notice(dev, fmt, ...) \
+ ata_dev_printk(dev, KERN_NOTICE, fmt, ##__VA_ARGS__)
+#define ata_dev_info(dev, fmt, ...) \
+ ata_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__)
+#define ata_dev_dbg(dev, fmt, ...) \
+ ata_dev_printk(dev, KERN_DEBUG, fmt, ##__VA_ARGS__)
+
+void ata_print_version(const struct device *dev, const char *version);
/*
* ata_eh_info helpers
*/
-extern void __ata_ehi_push_desc(struct ata_eh_info *ehi, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
-extern void ata_ehi_push_desc(struct ata_eh_info *ehi, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
+extern __printf(2, 3)
+void __ata_ehi_push_desc(struct ata_eh_info *ehi, const char *fmt, ...);
+extern __printf(2, 3)
+void ata_ehi_push_desc(struct ata_eh_info *ehi, const char *fmt, ...);
extern void ata_ehi_clear_desc(struct ata_eh_info *ehi);
static inline void ata_ehi_hotplugged(struct ata_eh_info *ehi)
/*
* port description helpers
*/
-extern void ata_port_desc(struct ata_port *ap, const char *fmt, ...)
- __attribute__ ((format (printf, 2, 3)));
+extern __printf(2, 3)
+void ata_port_desc(struct ata_port *ap, const char *fmt, ...);
#ifdef CONFIG_PCI
extern void ata_port_pbar_desc(struct ata_port *ap, int bar, ssize_t offset,
const char *name);
extern void ata_sff_irq_clear(struct ata_port *ap);
extern int ata_sff_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc,
u8 status, int in_wq);
-extern void ata_sff_queue_pio_task(struct ata_port *ap, unsigned long delay);
+extern void ata_sff_queue_work(struct work_struct *work);
+extern void ata_sff_queue_delayed_work(struct delayed_work *dwork,
+ unsigned long delay);
+extern void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay);
extern unsigned int ata_sff_qc_issue(struct ata_queued_cmd *qc);
extern bool ata_sff_qc_fill_rtf(struct ata_queued_cmd *qc);
extern unsigned int ata_sff_port_intr(struct ata_port *ap,
projects / linux-flexiantxendom0-3.2.10.git / blobdiff