224 lines
6.1 KiB
C
Executable file
224 lines
6.1 KiB
C
Executable file
/*
|
|
* libata-trace.c - trace functions for libata
|
|
*
|
|
* Copyright 2015 Hannes Reinecke
|
|
* Copyright 2015 SUSE Linux GmbH
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; see the file COPYING. If not, write to
|
|
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/trace_seq.h>
|
|
#include <trace/events/libata.h>
|
|
|
|
const char *
|
|
libata_trace_parse_status(struct trace_seq *p, unsigned char status)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
|
|
trace_seq_printf(p, "{ ");
|
|
if (status & ATA_BUSY)
|
|
trace_seq_printf(p, "BUSY ");
|
|
if (status & ATA_DRDY)
|
|
trace_seq_printf(p, "DRDY ");
|
|
if (status & ATA_DF)
|
|
trace_seq_printf(p, "DF ");
|
|
if (status & ATA_DSC)
|
|
trace_seq_printf(p, "DSC ");
|
|
if (status & ATA_DRQ)
|
|
trace_seq_printf(p, "DRQ ");
|
|
if (status & ATA_CORR)
|
|
trace_seq_printf(p, "CORR ");
|
|
if (status & ATA_SENSE)
|
|
trace_seq_printf(p, "SENSE ");
|
|
if (status & ATA_ERR)
|
|
trace_seq_printf(p, "ERR ");
|
|
trace_seq_putc(p, '}');
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
const char *
|
|
libata_trace_parse_eh_action(struct trace_seq *p, unsigned int eh_action)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
|
|
trace_seq_printf(p, "%x", eh_action);
|
|
if (eh_action) {
|
|
trace_seq_printf(p, "{ ");
|
|
if (eh_action & ATA_EH_REVALIDATE)
|
|
trace_seq_printf(p, "REVALIDATE ");
|
|
if (eh_action & (ATA_EH_SOFTRESET | ATA_EH_HARDRESET))
|
|
trace_seq_printf(p, "RESET ");
|
|
else if (eh_action & ATA_EH_SOFTRESET)
|
|
trace_seq_printf(p, "SOFTRESET ");
|
|
else if (eh_action & ATA_EH_HARDRESET)
|
|
trace_seq_printf(p, "HARDRESET ");
|
|
if (eh_action & ATA_EH_ENABLE_LINK)
|
|
trace_seq_printf(p, "ENABLE_LINK ");
|
|
if (eh_action & ATA_EH_PARK)
|
|
trace_seq_printf(p, "PARK ");
|
|
trace_seq_putc(p, '}');
|
|
}
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
const char *
|
|
libata_trace_parse_eh_err_mask(struct trace_seq *p, unsigned int eh_err_mask)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
|
|
trace_seq_printf(p, "%x", eh_err_mask);
|
|
if (eh_err_mask) {
|
|
trace_seq_printf(p, "{ ");
|
|
if (eh_err_mask & AC_ERR_DEV)
|
|
trace_seq_printf(p, "DEV ");
|
|
if (eh_err_mask & AC_ERR_HSM)
|
|
trace_seq_printf(p, "HSM ");
|
|
if (eh_err_mask & AC_ERR_TIMEOUT)
|
|
trace_seq_printf(p, "TIMEOUT ");
|
|
if (eh_err_mask & AC_ERR_MEDIA)
|
|
trace_seq_printf(p, "MEDIA ");
|
|
if (eh_err_mask & AC_ERR_ATA_BUS)
|
|
trace_seq_printf(p, "ATA_BUS ");
|
|
if (eh_err_mask & AC_ERR_HOST_BUS)
|
|
trace_seq_printf(p, "HOST_BUS ");
|
|
if (eh_err_mask & AC_ERR_SYSTEM)
|
|
trace_seq_printf(p, "SYSTEM ");
|
|
if (eh_err_mask & AC_ERR_INVALID)
|
|
trace_seq_printf(p, "INVALID ");
|
|
if (eh_err_mask & AC_ERR_OTHER)
|
|
trace_seq_printf(p, "OTHER ");
|
|
if (eh_err_mask & AC_ERR_NODEV_HINT)
|
|
trace_seq_printf(p, "NODEV_HINT ");
|
|
if (eh_err_mask & AC_ERR_NCQ)
|
|
trace_seq_printf(p, "NCQ ");
|
|
trace_seq_putc(p, '}');
|
|
}
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
const char *
|
|
libata_trace_parse_qc_flags(struct trace_seq *p, unsigned int qc_flags)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
|
|
trace_seq_printf(p, "%x", qc_flags);
|
|
if (qc_flags) {
|
|
trace_seq_printf(p, "{ ");
|
|
if (qc_flags & ATA_QCFLAG_ACTIVE)
|
|
trace_seq_printf(p, "ACTIVE ");
|
|
if (qc_flags & ATA_QCFLAG_DMAMAP)
|
|
trace_seq_printf(p, "DMAMAP ");
|
|
if (qc_flags & ATA_QCFLAG_IO)
|
|
trace_seq_printf(p, "IO ");
|
|
if (qc_flags & ATA_QCFLAG_RESULT_TF)
|
|
trace_seq_printf(p, "RESULT_TF ");
|
|
if (qc_flags & ATA_QCFLAG_CLEAR_EXCL)
|
|
trace_seq_printf(p, "CLEAR_EXCL ");
|
|
if (qc_flags & ATA_QCFLAG_QUIET)
|
|
trace_seq_printf(p, "QUIET ");
|
|
if (qc_flags & ATA_QCFLAG_RETRY)
|
|
trace_seq_printf(p, "RETRY ");
|
|
if (qc_flags & ATA_QCFLAG_FAILED)
|
|
trace_seq_printf(p, "FAILED ");
|
|
if (qc_flags & ATA_QCFLAG_SENSE_VALID)
|
|
trace_seq_printf(p, "SENSE_VALID ");
|
|
if (qc_flags & ATA_QCFLAG_EH_SCHEDULED)
|
|
trace_seq_printf(p, "EH_SCHEDULED ");
|
|
trace_seq_putc(p, '}');
|
|
}
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|
|
|
|
const char *
|
|
libata_trace_parse_subcmd(struct trace_seq *p, unsigned char cmd,
|
|
unsigned char feature, unsigned char hob_nsect)
|
|
{
|
|
const char *ret = trace_seq_buffer_ptr(p);
|
|
|
|
switch (cmd) {
|
|
case ATA_CMD_FPDMA_RECV:
|
|
switch (hob_nsect & 0x5f) {
|
|
case ATA_SUBCMD_FPDMA_RECV_RD_LOG_DMA_EXT:
|
|
trace_seq_printf(p, " READ_LOG_DMA_EXT");
|
|
break;
|
|
case ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN:
|
|
trace_seq_printf(p, " ZAC_MGMT_IN");
|
|
break;
|
|
}
|
|
break;
|
|
case ATA_CMD_FPDMA_SEND:
|
|
switch (hob_nsect & 0x5f) {
|
|
case ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT:
|
|
trace_seq_printf(p, " WRITE_LOG_DMA_EXT");
|
|
break;
|
|
case ATA_SUBCMD_FPDMA_SEND_DSM:
|
|
trace_seq_printf(p, " DATASET_MANAGEMENT");
|
|
break;
|
|
}
|
|
break;
|
|
case ATA_CMD_NCQ_NON_DATA:
|
|
switch (feature) {
|
|
case ATA_SUBCMD_NCQ_NON_DATA_ABORT_QUEUE:
|
|
trace_seq_printf(p, " ABORT_QUEUE");
|
|
break;
|
|
case ATA_SUBCMD_NCQ_NON_DATA_SET_FEATURES:
|
|
trace_seq_printf(p, " SET_FEATURES");
|
|
break;
|
|
case ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT:
|
|
trace_seq_printf(p, " ZERO_EXT");
|
|
break;
|
|
case ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT:
|
|
trace_seq_printf(p, " ZAC_MGMT_OUT");
|
|
break;
|
|
}
|
|
break;
|
|
case ATA_CMD_ZAC_MGMT_IN:
|
|
switch (feature) {
|
|
case ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES:
|
|
trace_seq_printf(p, " REPORT_ZONES");
|
|
break;
|
|
}
|
|
break;
|
|
case ATA_CMD_ZAC_MGMT_OUT:
|
|
switch (feature) {
|
|
case ATA_SUBCMD_ZAC_MGMT_OUT_CLOSE_ZONE:
|
|
trace_seq_printf(p, " CLOSE_ZONE");
|
|
break;
|
|
case ATA_SUBCMD_ZAC_MGMT_OUT_FINISH_ZONE:
|
|
trace_seq_printf(p, " FINISH_ZONE");
|
|
break;
|
|
case ATA_SUBCMD_ZAC_MGMT_OUT_OPEN_ZONE:
|
|
trace_seq_printf(p, " OPEN_ZONE");
|
|
break;
|
|
case ATA_SUBCMD_ZAC_MGMT_OUT_RESET_WRITE_POINTER:
|
|
trace_seq_printf(p, " RESET_WRITE_POINTER");
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
trace_seq_putc(p, 0);
|
|
|
|
return ret;
|
|
}
|