Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 223 insertions, 0 deletions

diff --git a/drivers/ata/libata-trace.c b/drivers/ata/libata-trace.c
new file mode 100644
index 000000000..f8c550df0
--- /dev/null
+++ b/drivers/ata/libata-trace.c
@@ -0,0 +1,223 @@
+/*
+ * 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;
+}