Home Home > GIT Browse
summaryrefslogtreecommitdiff
blob: 08e001303a82a12f4125130791e724749b63c9ca (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
// 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;
}