Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * libata-trace.c - trace functions for libata
 *
 * Copyright 2015 Hannes Reinecke
 * Copyright 2015 SUSE Linux GmbH
 */
 
#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;
}