cregit-Linux how code gets into the kernel

Release 4.7 include/trace/events/libata.h


#undef TRACE_SYSTEM

#define TRACE_SYSTEM libata

#if !defined(_TRACE_LIBATA_H) || defined(TRACE_HEADER_MULTI_READ)

#define _TRACE_LIBATA_H

#include <linux/ata.h>
#include <linux/libata.h>
#include <linux/tracepoint.h>
#include <linux/trace_seq.h>


#define ata_opcode_name(opcode)	{ opcode, #opcode }

#define show_opcode_name(val)					\
	__print_symbolic(val,                                   \
                 ata_opcode_name(ATA_CMD_DEV_RESET),            \
                 ata_opcode_name(ATA_CMD_CHK_POWER),            \
                 ata_opcode_name(ATA_CMD_STANDBY),              \
                 ata_opcode_name(ATA_CMD_IDLE),                 \
                 ata_opcode_name(ATA_CMD_EDD),                  \
                 ata_opcode_name(ATA_CMD_DOWNLOAD_MICRO),       \
                 ata_opcode_name(ATA_CMD_DOWNLOAD_MICRO_DMA),   \
                 ata_opcode_name(ATA_CMD_NOP),                  \
                 ata_opcode_name(ATA_CMD_FLUSH),                \
                 ata_opcode_name(ATA_CMD_FLUSH_EXT),            \
                 ata_opcode_name(ATA_CMD_ID_ATA),               \
                 ata_opcode_name(ATA_CMD_ID_ATAPI),             \
                 ata_opcode_name(ATA_CMD_SERVICE),              \
                 ata_opcode_name(ATA_CMD_READ),                 \
                 ata_opcode_name(ATA_CMD_READ_EXT),             \
                 ata_opcode_name(ATA_CMD_READ_QUEUED),          \
                 ata_opcode_name(ATA_CMD_READ_STREAM_EXT),      \
                 ata_opcode_name(ATA_CMD_READ_STREAM_DMA_EXT),  \
                 ata_opcode_name(ATA_CMD_WRITE),                \
                 ata_opcode_name(ATA_CMD_WRITE_EXT),            \
                 ata_opcode_name(ATA_CMD_WRITE_QUEUED),         \
                 ata_opcode_name(ATA_CMD_WRITE_STREAM_EXT),     \
                 ata_opcode_name(ATA_CMD_WRITE_STREAM_DMA_EXT), \
                 ata_opcode_name(ATA_CMD_WRITE_FUA_EXT),        \
                 ata_opcode_name(ATA_CMD_WRITE_QUEUED_FUA_EXT), \
                 ata_opcode_name(ATA_CMD_FPDMA_READ),           \
                 ata_opcode_name(ATA_CMD_FPDMA_WRITE),          \
                 ata_opcode_name(ATA_CMD_NCQ_NON_DATA),         \
                 ata_opcode_name(ATA_CMD_FPDMA_SEND),           \
                 ata_opcode_name(ATA_CMD_FPDMA_RECV),           \
                 ata_opcode_name(ATA_CMD_PIO_READ),             \
                 ata_opcode_name(ATA_CMD_PIO_READ_EXT),         \
                 ata_opcode_name(ATA_CMD_PIO_WRITE),            \
                 ata_opcode_name(ATA_CMD_PIO_WRITE_EXT),        \
                 ata_opcode_name(ATA_CMD_READ_MULTI),           \
                 ata_opcode_name(ATA_CMD_READ_MULTI_EXT),       \
                 ata_opcode_name(ATA_CMD_WRITE_MULTI),          \
                 ata_opcode_name(ATA_CMD_WRITE_MULTI_EXT),      \
                 ata_opcode_name(ATA_CMD_WRITE_MULTI_FUA_EXT),  \
                 ata_opcode_name(ATA_CMD_SET_FEATURES),         \
                 ata_opcode_name(ATA_CMD_SET_MULTI),            \
                 ata_opcode_name(ATA_CMD_PACKET),               \
                 ata_opcode_name(ATA_CMD_VERIFY),               \
                 ata_opcode_name(ATA_CMD_VERIFY_EXT),           \
                 ata_opcode_name(ATA_CMD_WRITE_UNCORR_EXT),     \
                 ata_opcode_name(ATA_CMD_STANDBYNOW1),          \
                 ata_opcode_name(ATA_CMD_IDLEIMMEDIATE),        \
                 ata_opcode_name(ATA_CMD_SLEEP),                \
                 ata_opcode_name(ATA_CMD_INIT_DEV_PARAMS),      \
                 ata_opcode_name(ATA_CMD_READ_NATIVE_MAX),      \
                 ata_opcode_name(ATA_CMD_READ_NATIVE_MAX_EXT),  \
                 ata_opcode_name(ATA_CMD_SET_MAX),              \
                 ata_opcode_name(ATA_CMD_SET_MAX_EXT),          \
                 ata_opcode_name(ATA_CMD_READ_LOG_EXT),         \
                 ata_opcode_name(ATA_CMD_WRITE_LOG_EXT),        \
                 ata_opcode_name(ATA_CMD_READ_LOG_DMA_EXT),     \
                 ata_opcode_name(ATA_CMD_WRITE_LOG_DMA_EXT),    \
                 ata_opcode_name(ATA_CMD_TRUSTED_NONDATA),      \
                 ata_opcode_name(ATA_CMD_TRUSTED_RCV),          \
                 ata_opcode_name(ATA_CMD_TRUSTED_RCV_DMA),      \
                 ata_opcode_name(ATA_CMD_TRUSTED_SND),          \
                 ata_opcode_name(ATA_CMD_TRUSTED_SND_DMA),      \
                 ata_opcode_name(ATA_CMD_PMP_READ),             \
                 ata_opcode_name(ATA_CMD_PMP_READ_DMA),         \
                 ata_opcode_name(ATA_CMD_PMP_WRITE),            \
                 ata_opcode_name(ATA_CMD_PMP_WRITE_DMA),        \
                 ata_opcode_name(ATA_CMD_CONF_OVERLAY),         \
                 ata_opcode_name(ATA_CMD_SEC_SET_PASS),         \
                 ata_opcode_name(ATA_CMD_SEC_UNLOCK),           \
                 ata_opcode_name(ATA_CMD_SEC_ERASE_PREP),       \
                 ata_opcode_name(ATA_CMD_SEC_ERASE_UNIT),       \
                 ata_opcode_name(ATA_CMD_SEC_FREEZE_LOCK),      \
                 ata_opcode_name(ATA_CMD_SEC_DISABLE_PASS),     \
                 ata_opcode_name(ATA_CMD_CONFIG_STREAM),        \
                 ata_opcode_name(ATA_CMD_SMART),                \
                 ata_opcode_name(ATA_CMD_MEDIA_LOCK),           \
                 ata_opcode_name(ATA_CMD_MEDIA_UNLOCK),         \
                 ata_opcode_name(ATA_CMD_DSM),                  \
                 ata_opcode_name(ATA_CMD_CHK_MED_CRD_TYP),      \
                 ata_opcode_name(ATA_CMD_CFA_REQ_EXT_ERR),      \
                 ata_opcode_name(ATA_CMD_CFA_WRITE_NE),         \
                 ata_opcode_name(ATA_CMD_CFA_TRANS_SECT),       \
                 ata_opcode_name(ATA_CMD_CFA_ERASE),            \
                 ata_opcode_name(ATA_CMD_CFA_WRITE_MULT_NE),    \
                 ata_opcode_name(ATA_CMD_REQ_SENSE_DATA),       \
                 ata_opcode_name(ATA_CMD_SANITIZE_DEVICE),      \
                 ata_opcode_name(ATA_CMD_ZAC_MGMT_IN),          \
                 ata_opcode_name(ATA_CMD_ZAC_MGMT_OUT),         \
                 ata_opcode_name(ATA_CMD_RESTORE),              \
                 ata_opcode_name(ATA_CMD_READ_LONG),            \
                 ata_opcode_name(ATA_CMD_READ_LONG_ONCE),       \
                 ata_opcode_name(ATA_CMD_WRITE_LONG),           \
                 ata_opcode_name(ATA_CMD_WRITE_LONG_ONCE))


#define ata_error_name(result)	{ result, #result }

#define show_error_name(val)				\
	__print_symbolic(val,                           \
                ata_error_name(ATA_ICRC),               \
                ata_error_name(ATA_UNC),                \
                ata_error_name(ATA_MC),                 \
                ata_error_name(ATA_IDNF),               \
                ata_error_name(ATA_MCR),                \
                ata_error_name(ATA_ABORTED),            \
                ata_error_name(ATA_TRK0NF),             \
                ata_error_name(ATA_AMNF))


#define ata_protocol_name(proto)	{ proto, #proto }

#define show_protocol_name(val)				\
	__print_symbolic(val,                           \
                ata_protocol_name(ATA_PROT_UNKNOWN),    \
                ata_protocol_name(ATA_PROT_NODATA),     \
                ata_protocol_name(ATA_PROT_PIO),        \
                ata_protocol_name(ATA_PROT_DMA),        \
                ata_protocol_name(ATA_PROT_NCQ),        \
                ata_protocol_name(ATAPI_PROT_NODATA),   \
                ata_protocol_name(ATAPI_PROT_PIO),      \
                ata_protocol_name(ATAPI_PROT_DMA))

const char *libata_trace_parse_status(struct trace_seq*, unsigned char);

#define __parse_status(s) libata_trace_parse_status(p, s)

const char *libata_trace_parse_eh_action(struct trace_seq *, unsigned int);

#define __parse_eh_action(a) libata_trace_parse_eh_action(p, a)

const char *libata_trace_parse_eh_err_mask(struct trace_seq *, unsigned int);

#define __parse_eh_err_mask(m) libata_trace_parse_eh_err_mask(p, m)

const char *libata_trace_parse_qc_flags(struct trace_seq *, unsigned int);

#define __parse_qc_flags(f) libata_trace_parse_qc_flags(p, f)

const char *libata_trace_parse_subcmd(struct trace_seq *, unsigned char,
				      unsigned char, unsigned char);

#define __parse_subcmd(c,f,h) libata_trace_parse_subcmd(p, c, f, h)

TRACE_EVENT(ata_qc_issue,

	TP_PROTO(struct ata_queued_cmd *qc),

	TP_ARGS(qc),

	TP_STRUCT__entry(
                __field( unsigned int,  ata_port )
                __field( unsigned int,  ata_dev )
                __field( unsigned int,  tag     )
                __field( unsigned char, cmd     )
                __field( unsigned char, dev     )
                __field( unsigned char, lbal    )
                __field( unsigned char, lbam    )
                __field( unsigned char, lbah    )
                __field( unsigned char, nsect   )
                __field( unsigned char, feature )
                __field( unsigned char, hob_lbal )
                __field( unsigned char, hob_lbam )
                __field( unsigned char, hob_lbah )
                __field( unsigned char, hob_nsect )
                __field( unsigned char, hob_feature )
                __field( unsigned char, ctl )
                __field( unsigned char, proto )
                __field( unsigned long, flags )
        ),

	TP_fast_assign(
                __entry->ata_port       = qc->ap->print_id;
                __entry->ata_dev        = qc->dev->link->pmp + qc->dev->devno;
                __entry->tag            = qc->tag;
                __entry->proto          = qc->tf.protocol;
                __entry->cmd            = qc->tf.command;
                __entry->dev            = qc->tf.device;
                __entry->lbal           = qc->tf.lbal;
                __entry->lbam           = qc->tf.lbam;
                __entry->lbah           = qc->tf.lbah;
                __entry->hob_lbal       = qc->tf.hob_lbal;
                __entry->hob_lbam       = qc->tf.hob_lbam;
                __entry->hob_lbah       = qc->tf.hob_lbah;
                __entry->feature        = qc->tf.feature;
                __entry->hob_feature    = qc->tf.hob_feature;
                __entry->nsect          = qc->tf.nsect;
                __entry->hob_nsect      = qc->tf.hob_nsect;
        ),

	TP_printk("ata_port=%u ata_dev=%u tag=%d proto=%s cmd=%s%s " \
		  " tf=(%02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x)",
                  __entry->ata_port, __entry->ata_dev, __entry->tag,
                  show_protocol_name(__entry->proto),
                  show_opcode_name(__entry->cmd),
                  __parse_subcmd(__entry->cmd, __entry->feature, __entry->hob_nsect),
                  __entry->cmd, __entry->feature, __entry->nsect,
                  __entry->lbal, __entry->lbam, __entry->lbah,
                  __entry->hob_feature, __entry->hob_nsect,
                  __entry->hob_lbal, __entry->hob_lbam, __entry->hob_lbah,
                  __entry->dev)
);

DECLARE_EVENT_CLASS(ata_qc_complete_template,

	TP_PROTO(struct ata_queued_cmd *qc),

	TP_ARGS(qc),

	TP_STRUCT__entry(
                __field( unsigned int,  ata_port )
                __field( unsigned int,  ata_dev )
                __field( unsigned int,  tag     )
                __field( unsigned char, status  )
                __field( unsigned char, dev     )
                __field( unsigned char, lbal    )
                __field( unsigned char, lbam    )
                __field( unsigned char, lbah    )
                __field( unsigned char, nsect   )
                __field( unsigned char, error   )
                __field( unsigned char, hob_lbal )
                __field( unsigned char, hob_lbam )
                __field( unsigned char, hob_lbah )
                __field( unsigned char, hob_nsect )
                __field( unsigned char, hob_feature )
                __field( unsigned char, ctl )
                __field( unsigned long, flags )
        ),

	TP_fast_assign(
                __entry->ata_port       = qc->ap->print_id;
                __entry->ata_dev        = qc->dev->link->pmp + qc->dev->devno;
                __entry->tag            = qc->tag;
                __entry->status         = qc->result_tf.command;
                __entry->dev            = qc->result_tf.device;
                __entry->lbal           = qc->result_tf.lbal;
                __entry->lbam           = qc->result_tf.lbam;
                __entry->lbah           = qc->result_tf.lbah;
                __entry->hob_lbal       = qc->result_tf.hob_lbal;
                __entry->hob_lbam       = qc->result_tf.hob_lbam;
                __entry->hob_lbah       = qc->result_tf.hob_lbah;
                __entry->error          = qc->result_tf.feature;
                __entry->hob_feature    = qc->result_tf.hob_feature;
                __entry->nsect          = qc->result_tf.nsect;
                __entry->hob_nsect      = qc->result_tf.hob_nsect;
        ),

	TP_printk("ata_port=%u ata_dev=%u tag=%d flags=%s status=%s " \
		  " res=(%02x/%02x:%02x:%02x:%02x:%02x/%02x:%02x:%02x:%02x:%02x/%02x)",
                  __entry->ata_port, __entry->ata_dev, __entry->tag,
                  __parse_qc_flags(__entry->flags),
                  __parse_status(__entry->status),
                  __entry->status, __entry->error, __entry->nsect,
                  __entry->lbal, __entry->lbam, __entry->lbah,
                  __entry->hob_feature, __entry->hob_nsect,
                  __entry->hob_lbal, __entry->hob_lbam, __entry->hob_lbah,
                  __entry->dev)
);

DEFINE_EVENT(ata_qc_complete_template, ata_qc_complete_internal,
	     TP_PROTO(struct ata_queued_cmd *qc),
	     TP_ARGS(qc));

DEFINE_EVENT(ata_qc_complete_template, ata_qc_complete_failed,
	     TP_PROTO(struct ata_queued_cmd *qc),
	     TP_ARGS(qc));

DEFINE_EVENT(ata_qc_complete_template, ata_qc_complete_done,
	     TP_PROTO(struct ata_queued_cmd *qc),
	     TP_ARGS(qc));

TRACE_EVENT(ata_eh_link_autopsy,

	TP_PROTO(struct ata_device *dev, unsigned int eh_action, unsigned int eh_err_mask),

	TP_ARGS(dev, eh_action, eh_err_mask),

	TP_STRUCT__entry(
                __field( unsigned int,  ata_port )
                __field( unsigned int,  ata_dev )
                __field( unsigned int,  eh_action )
                __field( unsigned int,  eh_err_mask)
        ),

	TP_fast_assign(
                __entry->ata_port       = dev->link->ap->print_id;
                __entry->ata_dev        = dev->link->pmp + dev->devno;
                __entry->eh_action      = eh_action;
                __entry->eh_err_mask    = eh_err_mask;
        ),

	TP_printk("ata_port=%u ata_dev=%u eh_action=%s err_mask=%s",
                  __entry->ata_port, __entry->ata_dev,
                  __parse_eh_action(__entry->eh_action),
                  __parse_eh_err_mask(__entry->eh_err_mask))
);

TRACE_EVENT(ata_eh_link_autopsy_qc,

	TP_PROTO(struct ata_queued_cmd *qc),

	TP_ARGS(qc),

	TP_STRUCT__entry(
                __field( unsigned int,  ata_port )
                __field( unsigned int,  ata_dev )
                __field( unsigned int,  tag     )
                __field( unsigned int,  qc_flags )
                __field( unsigned int,  eh_err_mask)
        ),

	TP_fast_assign(
                __entry->ata_port       = qc->ap->print_id;
                __entry->ata_dev        = qc->dev->link->pmp + qc->dev->devno;
                __entry->tag            = qc->tag;
                __entry->qc_flags       = qc->flags;
                __entry->eh_err_mask    = qc->err_mask;
        ),

	TP_printk("ata_port=%u ata_dev=%u tag=%d flags=%s err_mask=%s",
                  __entry->ata_port, __entry->ata_dev, __entry->tag,
                  __parse_qc_flags(__entry->qc_flags),
                  __parse_eh_err_mask(__entry->eh_err_mask))
);

#endif /*  _TRACE_LIBATA_H */

/* This part must be outside protection */
#include <trace/define_trace.h>

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