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-rw-r--r--include/linux/libata.h155
1 files changed, 66 insertions, 89 deletions
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 2a8404b26083..0f2a59c9c735 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -39,25 +39,9 @@
* compile-time options: to be removed as soon as all the drivers are
* converted to the new debugging mechanism
*/
-#undef ATA_DEBUG /* debugging output */
-#undef ATA_VERBOSE_DEBUG /* yet more debugging output */
#undef ATA_IRQ_TRAP /* define to ack screaming irqs */
-#undef ATA_NDEBUG /* define to disable quick runtime checks */
-/* note: prints function name for you */
-#ifdef ATA_DEBUG
-#define DPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
-#ifdef ATA_VERBOSE_DEBUG
-#define VPRINTK(fmt, args...) printk(KERN_ERR "%s: " fmt, __func__, ## args)
-#else
-#define VPRINTK(fmt, args...)
-#endif /* ATA_VERBOSE_DEBUG */
-#else
-#define DPRINTK(fmt, args...)
-#define VPRINTK(fmt, args...)
-#endif /* ATA_DEBUG */
-
#define ata_print_version_once(dev, version) \
({ \
static bool __print_once; \
@@ -68,38 +52,6 @@
} \
})
-/* NEW: debug levels */
-#define HAVE_LIBATA_MSG 1
-
-enum {
- ATA_MSG_DRV = 0x0001,
- ATA_MSG_INFO = 0x0002,
- ATA_MSG_PROBE = 0x0004,
- ATA_MSG_WARN = 0x0008,
- ATA_MSG_MALLOC = 0x0010,
- ATA_MSG_CTL = 0x0020,
- ATA_MSG_INTR = 0x0040,
- ATA_MSG_ERR = 0x0080,
-};
-
-#define ata_msg_drv(p) ((p)->msg_enable & ATA_MSG_DRV)
-#define ata_msg_info(p) ((p)->msg_enable & ATA_MSG_INFO)
-#define ata_msg_probe(p) ((p)->msg_enable & ATA_MSG_PROBE)
-#define ata_msg_warn(p) ((p)->msg_enable & ATA_MSG_WARN)
-#define ata_msg_malloc(p) ((p)->msg_enable & ATA_MSG_MALLOC)
-#define ata_msg_ctl(p) ((p)->msg_enable & ATA_MSG_CTL)
-#define ata_msg_intr(p) ((p)->msg_enable & ATA_MSG_INTR)
-#define ata_msg_err(p) ((p)->msg_enable & ATA_MSG_ERR)
-
-static inline u32 ata_msg_init(int dval, int default_msg_enable_bits)
-{
- if (dval < 0 || dval >= (sizeof(u32) * 8))
- return default_msg_enable_bits; /* should be 0x1 - only driver info msgs */
- if (!dval)
- return 0;
- return (1 << dval) - 1;
-}
-
/* defines only for the constants which don't work well as enums */
#define ATA_TAG_POISON 0xfafbfcfdU
@@ -191,7 +143,7 @@ enum {
ATA_LFLAG_NO_LPM = (1 << 8), /* disable LPM on this link */
ATA_LFLAG_RST_ONCE = (1 << 9), /* limit recovery to one reset */
ATA_LFLAG_CHANGED = (1 << 10), /* LPM state changed on this link */
- ATA_LFLAG_NO_DB_DELAY = (1 << 11), /* no debounce delay on link resume */
+ ATA_LFLAG_NO_DEBOUNCE_DELAY = (1 << 11), /* no debounce delay on link resume */
/* struct ata_port flags */
ATA_FLAG_SLAVE_POSS = (1 << 0), /* host supports slave dev */
@@ -428,6 +380,7 @@ enum {
ATA_HORKAGE_MAX_TRIM_128M = (1 << 26), /* Limit max trim size to 128M */
ATA_HORKAGE_NO_NCQ_ON_ATI = (1 << 27), /* Disable NCQ on ATI chipset */
ATA_HORKAGE_NO_ID_DEV_LOG = (1 << 28), /* Identify device log missing */
+ ATA_HORKAGE_NO_LOG_DIR = (1 << 29), /* Do not read log directory */
/* DMA mask for user DMA control: User visible values; DO NOT
renumber */
@@ -566,7 +519,10 @@ struct ata_taskfile {
u8 hob_lbam;
u8 hob_lbah;
- u8 feature;
+ union {
+ u8 error;
+ u8 feature;
+ };
u8 nsect;
u8 lbal;
u8 lbam;
@@ -574,7 +530,10 @@ struct ata_taskfile {
u8 device;
- u8 command; /* IO operation */
+ union {
+ u8 status;
+ u8 command;
+ };
u32 auxiliary; /* auxiliary field */
/* from SATA 3.1 and */
@@ -861,10 +820,8 @@ struct ata_port {
unsigned int cbl; /* cable type; ATA_CBL_xxx */
struct ata_queued_cmd qcmd[ATA_MAX_QUEUE + 1];
- unsigned long sas_tag_allocated; /* for sas tag allocation only */
u64 qc_active;
int nr_active_links; /* #links with active qcs */
- unsigned int sas_last_tag; /* track next tag hw expects */
struct ata_link link; /* host default link */
struct ata_link *slave_link; /* see ata_slave_link_init() */
@@ -884,7 +841,6 @@ struct ata_port {
unsigned int hsm_task_state;
- u32 msg_enable;
struct list_head eh_done_q;
wait_queue_head_t eh_wait_q;
int eh_tries;
@@ -933,7 +889,8 @@ 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);
+ unsigned int (*read_id)(struct ata_device *dev, struct ata_taskfile *tf,
+ __le16 *id);
void (*dev_config)(struct ata_device *dev);
@@ -1128,7 +1085,7 @@ extern int ata_sas_scsi_ioctl(struct ata_port *ap, struct scsi_device *dev,
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_suspend(struct ata_host *host, pm_message_t mesg);
extern void ata_host_resume(struct ata_host *host);
extern void ata_sas_port_suspend(struct ata_port *ap);
extern void ata_sas_port_resume(struct ata_port *ap);
@@ -1152,7 +1109,7 @@ extern void ata_unpack_xfermask(unsigned long xfer_mask,
unsigned long *udma_mask);
extern u8 ata_xfer_mask2mode(unsigned long xfer_mask);
extern unsigned long ata_xfer_mode2mask(u8 xfer_mode);
-extern int ata_xfer_mode2shift(unsigned long xfer_mode);
+extern int ata_xfer_mode2shift(u8 xfer_mode);
extern const char *ata_mode_string(unsigned long xfer_mask);
extern unsigned long ata_id_xfermask(const u16 *id);
extern int ata_std_qc_defer(struct ata_queued_cmd *qc);
@@ -1160,13 +1117,15 @@ extern enum ata_completion_errors ata_noop_qc_prep(struct ata_queued_cmd *qc);
extern void ata_sg_init(struct ata_queued_cmd *qc, struct scatterlist *sg,
unsigned int n_elem);
extern unsigned int ata_dev_classify(const struct ata_taskfile *tf);
+extern unsigned int ata_port_classify(struct ata_port *ap,
+ const struct ata_taskfile *tf);
extern void ata_dev_disable(struct ata_device *adev);
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);
+ struct ata_taskfile *tf, __le16 *id);
extern void ata_qc_complete(struct ata_queued_cmd *qc);
extern u64 ata_qc_get_active(struct ata_port *ap);
extern void ata_scsi_simulate(struct ata_device *dev, struct scsi_cmnd *cmd);
@@ -1432,6 +1391,12 @@ extern const struct attribute_group *ata_common_sdev_groups[];
.tag_alloc_policy = BLK_TAG_ALLOC_RR, \
.slave_configure = ata_scsi_slave_config
+#define ATA_SUBBASE_SHT_QD(drv_name, drv_qd) \
+ __ATA_BASE_SHT(drv_name), \
+ .can_queue = drv_qd, \
+ .tag_alloc_policy = BLK_TAG_ALLOC_RR, \
+ .slave_configure = ata_scsi_slave_config
+
#define ATA_BASE_SHT(drv_name) \
ATA_SUBBASE_SHT(drv_name), \
.sdev_groups = ata_common_sdev_groups
@@ -1443,6 +1408,11 @@ extern const struct attribute_group *ata_ncq_sdev_groups[];
ATA_SUBBASE_SHT(drv_name), \
.sdev_groups = ata_ncq_sdev_groups, \
.change_queue_depth = ata_scsi_change_queue_depth
+
+#define ATA_NCQ_SHT_QD(drv_name, drv_qd) \
+ ATA_SUBBASE_SHT_QD(drv_name, drv_qd), \
+ .sdev_groups = ata_ncq_sdev_groups, \
+ .change_queue_depth = ata_scsi_change_queue_depth
#endif
/*
@@ -1487,51 +1457,61 @@ static inline int sata_srst_pmp(struct ata_link *link)
return link->pmp;
}
-/*
- * printk helpers
- */
-__printf(3, 4)
-void ata_port_printk(const struct ata_port *ap, const char *level,
- const char *fmt, ...);
-__printf(3, 4)
-void ata_link_printk(const struct ata_link *link, const char *level,
- const char *fmt, ...);
-__printf(3, 4)
-void ata_dev_printk(const struct ata_device *dev, const char *level,
- const char *fmt, ...);
+#define ata_port_printk(level, ap, fmt, ...) \
+ pr_ ## level ("ata%u: " fmt, (ap)->print_id, ##__VA_ARGS__)
#define ata_port_err(ap, fmt, ...) \
- ata_port_printk(ap, KERN_ERR, fmt, ##__VA_ARGS__)
+ ata_port_printk(err, ap, fmt, ##__VA_ARGS__)
#define ata_port_warn(ap, fmt, ...) \
- ata_port_printk(ap, KERN_WARNING, fmt, ##__VA_ARGS__)
+ ata_port_printk(warn, ap, fmt, ##__VA_ARGS__)
#define ata_port_notice(ap, fmt, ...) \
- ata_port_printk(ap, KERN_NOTICE, fmt, ##__VA_ARGS__)
+ ata_port_printk(notice, ap, fmt, ##__VA_ARGS__)
#define ata_port_info(ap, fmt, ...) \
- ata_port_printk(ap, KERN_INFO, fmt, ##__VA_ARGS__)
+ ata_port_printk(info, ap, fmt, ##__VA_ARGS__)
#define ata_port_dbg(ap, fmt, ...) \
- ata_port_printk(ap, KERN_DEBUG, fmt, ##__VA_ARGS__)
+ ata_port_printk(debug, ap, fmt, ##__VA_ARGS__)
+
+#define ata_link_printk(level, link, fmt, ...) \
+do { \
+ if (sata_pmp_attached((link)->ap) || \
+ (link)->ap->slave_link) \
+ pr_ ## level ("ata%u.%02u: " fmt, \
+ (link)->ap->print_id, \
+ (link)->pmp, \
+ ##__VA_ARGS__); \
+ else \
+ pr_ ## level ("ata%u: " fmt, \
+ (link)->ap->print_id, \
+ ##__VA_ARGS__); \
+} while (0)
#define ata_link_err(link, fmt, ...) \
- ata_link_printk(link, KERN_ERR, fmt, ##__VA_ARGS__)
+ ata_link_printk(err, link, fmt, ##__VA_ARGS__)
#define ata_link_warn(link, fmt, ...) \
- ata_link_printk(link, KERN_WARNING, fmt, ##__VA_ARGS__)
+ ata_link_printk(warn, link, fmt, ##__VA_ARGS__)
#define ata_link_notice(link, fmt, ...) \
- ata_link_printk(link, KERN_NOTICE, fmt, ##__VA_ARGS__)
+ ata_link_printk(notice, link, fmt, ##__VA_ARGS__)
#define ata_link_info(link, fmt, ...) \
- ata_link_printk(link, KERN_INFO, fmt, ##__VA_ARGS__)
+ ata_link_printk(info, link, fmt, ##__VA_ARGS__)
#define ata_link_dbg(link, fmt, ...) \
- ata_link_printk(link, KERN_DEBUG, fmt, ##__VA_ARGS__)
+ ata_link_printk(debug, link, fmt, ##__VA_ARGS__)
+
+#define ata_dev_printk(level, dev, fmt, ...) \
+ pr_ ## level("ata%u.%02u: " fmt, \
+ (dev)->link->ap->print_id, \
+ (dev)->link->pmp + (dev)->devno, \
+ ##__VA_ARGS__)
#define ata_dev_err(dev, fmt, ...) \
- ata_dev_printk(dev, KERN_ERR, fmt, ##__VA_ARGS__)
+ ata_dev_printk(err, dev, fmt, ##__VA_ARGS__)
#define ata_dev_warn(dev, fmt, ...) \
- ata_dev_printk(dev, KERN_WARNING, fmt, ##__VA_ARGS__)
+ ata_dev_printk(warn, dev, fmt, ##__VA_ARGS__)
#define ata_dev_notice(dev, fmt, ...) \
- ata_dev_printk(dev, KERN_NOTICE, fmt, ##__VA_ARGS__)
+ ata_dev_printk(notice, dev, fmt, ##__VA_ARGS__)
#define ata_dev_info(dev, fmt, ...) \
- ata_dev_printk(dev, KERN_INFO, fmt, ##__VA_ARGS__)
+ ata_dev_printk(info, dev, fmt, ##__VA_ARGS__)
#define ata_dev_dbg(dev, fmt, ...) \
- ata_dev_printk(dev, KERN_DEBUG, fmt, ##__VA_ARGS__)
+ ata_dev_printk(debug, dev, fmt, ##__VA_ARGS__)
void ata_print_version(const struct device *dev, const char *version);
@@ -2065,11 +2045,8 @@ static inline u8 ata_wait_idle(struct ata_port *ap)
{
u8 status = ata_sff_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
-#ifdef ATA_DEBUG
if (status != 0xff && (status & (ATA_BUSY | ATA_DRQ)))
- ata_port_printk(ap, KERN_DEBUG, "abnormal Status 0x%X\n",
- status);
-#endif
+ ata_port_dbg(ap, "abnormal Status 0x%X\n", status);
return status;
}