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255c03d1 HR |
1 | /* |
2 | * libata-trace.c - trace functions for libata | |
3 | * | |
4 | * Copyright 2015 Hannes Reinecke | |
5 | * Copyright 2015 SUSE Linux GmbH | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2, or (at your option) | |
10 | * any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; see the file COPYING. If not, write to | |
19 | * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | #include <linux/kernel.h> | |
23 | #include <linux/trace_seq.h> | |
24 | #include <trace/events/libata.h> | |
25 | ||
26 | const char * | |
27 | libata_trace_parse_status(struct trace_seq *p, unsigned char status) | |
28 | { | |
29 | const char *ret = trace_seq_buffer_ptr(p); | |
30 | ||
31 | trace_seq_printf(p, "{ "); | |
32 | if (status & ATA_BUSY) | |
33 | trace_seq_printf(p, "BUSY "); | |
34 | if (status & ATA_DRDY) | |
35 | trace_seq_printf(p, "DRDY "); | |
36 | if (status & ATA_DF) | |
37 | trace_seq_printf(p, "DF "); | |
38 | if (status & ATA_DSC) | |
39 | trace_seq_printf(p, "DSC "); | |
40 | if (status & ATA_DRQ) | |
41 | trace_seq_printf(p, "DRQ "); | |
42 | if (status & ATA_CORR) | |
43 | trace_seq_printf(p, "CORR "); | |
44 | if (status & ATA_SENSE) | |
45 | trace_seq_printf(p, "SENSE "); | |
46 | if (status & ATA_ERR) | |
47 | trace_seq_printf(p, "ERR "); | |
48 | trace_seq_putc(p, '}'); | |
49 | trace_seq_putc(p, 0); | |
50 | ||
51 | return ret; | |
52 | } | |
53 | ||
54 | const char * | |
55 | libata_trace_parse_eh_action(struct trace_seq *p, unsigned int eh_action) | |
56 | { | |
57 | const char *ret = trace_seq_buffer_ptr(p); | |
58 | ||
59 | trace_seq_printf(p, "%x", eh_action); | |
60 | if (eh_action) { | |
61 | trace_seq_printf(p, "{ "); | |
62 | if (eh_action & ATA_EH_REVALIDATE) | |
63 | trace_seq_printf(p, "REVALIDATE "); | |
64 | if (eh_action & (ATA_EH_SOFTRESET | ATA_EH_HARDRESET)) | |
65 | trace_seq_printf(p, "RESET "); | |
66 | else if (eh_action & ATA_EH_SOFTRESET) | |
67 | trace_seq_printf(p, "SOFTRESET "); | |
68 | else if (eh_action & ATA_EH_HARDRESET) | |
69 | trace_seq_printf(p, "HARDRESET "); | |
70 | if (eh_action & ATA_EH_ENABLE_LINK) | |
71 | trace_seq_printf(p, "ENABLE_LINK "); | |
72 | if (eh_action & ATA_EH_PARK) | |
73 | trace_seq_printf(p, "PARK "); | |
74 | trace_seq_putc(p, '}'); | |
75 | } | |
76 | trace_seq_putc(p, 0); | |
77 | ||
78 | return ret; | |
79 | } | |
80 | ||
81 | const char * | |
82 | libata_trace_parse_eh_err_mask(struct trace_seq *p, unsigned int eh_err_mask) | |
83 | { | |
84 | const char *ret = trace_seq_buffer_ptr(p); | |
85 | ||
86 | trace_seq_printf(p, "%x", eh_err_mask); | |
87 | if (eh_err_mask) { | |
88 | trace_seq_printf(p, "{ "); | |
89 | if (eh_err_mask & AC_ERR_DEV) | |
90 | trace_seq_printf(p, "DEV "); | |
91 | if (eh_err_mask & AC_ERR_HSM) | |
92 | trace_seq_printf(p, "HSM "); | |
93 | if (eh_err_mask & AC_ERR_TIMEOUT) | |
94 | trace_seq_printf(p, "TIMEOUT "); | |
95 | if (eh_err_mask & AC_ERR_MEDIA) | |
96 | trace_seq_printf(p, "MEDIA "); | |
97 | if (eh_err_mask & AC_ERR_ATA_BUS) | |
98 | trace_seq_printf(p, "ATA_BUS "); | |
99 | if (eh_err_mask & AC_ERR_HOST_BUS) | |
100 | trace_seq_printf(p, "HOST_BUS "); | |
101 | if (eh_err_mask & AC_ERR_SYSTEM) | |
102 | trace_seq_printf(p, "SYSTEM "); | |
103 | if (eh_err_mask & AC_ERR_INVALID) | |
104 | trace_seq_printf(p, "INVALID "); | |
105 | if (eh_err_mask & AC_ERR_OTHER) | |
106 | trace_seq_printf(p, "OTHER "); | |
107 | if (eh_err_mask & AC_ERR_NODEV_HINT) | |
108 | trace_seq_printf(p, "NODEV_HINT "); | |
109 | if (eh_err_mask & AC_ERR_NCQ) | |
110 | trace_seq_printf(p, "NCQ "); | |
111 | trace_seq_putc(p, '}'); | |
112 | } | |
113 | trace_seq_putc(p, 0); | |
114 | ||
115 | return ret; | |
116 | } | |
117 | ||
118 | const char * | |
119 | libata_trace_parse_qc_flags(struct trace_seq *p, unsigned int qc_flags) | |
120 | { | |
121 | const char *ret = trace_seq_buffer_ptr(p); | |
122 | ||
123 | trace_seq_printf(p, "%x", qc_flags); | |
124 | if (qc_flags) { | |
125 | trace_seq_printf(p, "{ "); | |
126 | if (qc_flags & ATA_QCFLAG_ACTIVE) | |
127 | trace_seq_printf(p, "ACTIVE "); | |
128 | if (qc_flags & ATA_QCFLAG_DMAMAP) | |
129 | trace_seq_printf(p, "DMAMAP "); | |
130 | if (qc_flags & ATA_QCFLAG_IO) | |
131 | trace_seq_printf(p, "IO "); | |
132 | if (qc_flags & ATA_QCFLAG_RESULT_TF) | |
133 | trace_seq_printf(p, "RESULT_TF "); | |
134 | if (qc_flags & ATA_QCFLAG_CLEAR_EXCL) | |
135 | trace_seq_printf(p, "CLEAR_EXCL "); | |
136 | if (qc_flags & ATA_QCFLAG_QUIET) | |
137 | trace_seq_printf(p, "QUIET "); | |
138 | if (qc_flags & ATA_QCFLAG_RETRY) | |
139 | trace_seq_printf(p, "RETRY "); | |
140 | if (qc_flags & ATA_QCFLAG_FAILED) | |
141 | trace_seq_printf(p, "FAILED "); | |
142 | if (qc_flags & ATA_QCFLAG_SENSE_VALID) | |
143 | trace_seq_printf(p, "SENSE_VALID "); | |
144 | if (qc_flags & ATA_QCFLAG_EH_SCHEDULED) | |
145 | trace_seq_printf(p, "EH_SCHEDULED "); | |
146 | trace_seq_putc(p, '}'); | |
147 | } | |
148 | trace_seq_putc(p, 0); | |
149 | ||
150 | return ret; | |
151 | } | |
a5703849 HR |
152 | |
153 | const char * | |
154 | libata_trace_parse_subcmd(struct trace_seq *p, unsigned char cmd, | |
155 | unsigned char feature, unsigned char hob_nsect) | |
156 | { | |
157 | const char *ret = trace_seq_buffer_ptr(p); | |
158 | ||
159 | switch (cmd) { | |
160 | case ATA_CMD_FPDMA_RECV: | |
161 | switch (hob_nsect & 0x5f) { | |
162 | case ATA_SUBCMD_FPDMA_RECV_RD_LOG_DMA_EXT: | |
163 | trace_seq_printf(p, " READ_LOG_DMA_EXT"); | |
164 | break; | |
28a3fc22 HR |
165 | case ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN: |
166 | trace_seq_printf(p, " ZAC_MGMT_IN"); | |
167 | break; | |
a5703849 HR |
168 | } |
169 | break; | |
170 | case ATA_CMD_FPDMA_SEND: | |
171 | switch (hob_nsect & 0x5f) { | |
172 | case ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT: | |
173 | trace_seq_printf(p, " WRITE_LOG_DMA_EXT"); | |
174 | break; | |
175 | case ATA_SUBCMD_FPDMA_SEND_DSM: | |
176 | trace_seq_printf(p, " DATASET_MANAGEMENT"); | |
177 | break; | |
178 | } | |
179 | break; | |
180 | case ATA_CMD_NCQ_NON_DATA: | |
181 | switch (feature) { | |
182 | case ATA_SUBCMD_NCQ_NON_DATA_ABORT_QUEUE: | |
183 | trace_seq_printf(p, " ABORT_QUEUE"); | |
184 | break; | |
185 | case ATA_SUBCMD_NCQ_NON_DATA_SET_FEATURES: | |
186 | trace_seq_printf(p, " SET_FEATURES"); | |
187 | break; | |
188 | case ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT: | |
189 | trace_seq_printf(p, " ZERO_EXT"); | |
190 | break; | |
284b3b77 HR |
191 | case ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT: |
192 | trace_seq_printf(p, " ZAC_MGMT_OUT"); | |
193 | break; | |
a5703849 HR |
194 | } |
195 | break; | |
28a3fc22 HR |
196 | case ATA_CMD_ZAC_MGMT_IN: |
197 | switch (feature) { | |
198 | case ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES: | |
199 | trace_seq_printf(p, " REPORT_ZONES"); | |
200 | break; | |
201 | } | |
202 | break; | |
27708a95 HR |
203 | case ATA_CMD_ZAC_MGMT_OUT: |
204 | switch (feature) { | |
205 | case ATA_SUBCMD_ZAC_MGMT_OUT_CLOSE_ZONE: | |
206 | trace_seq_printf(p, " CLOSE_ZONE"); | |
207 | break; | |
208 | case ATA_SUBCMD_ZAC_MGMT_OUT_FINISH_ZONE: | |
209 | trace_seq_printf(p, " FINISH_ZONE"); | |
210 | break; | |
211 | case ATA_SUBCMD_ZAC_MGMT_OUT_OPEN_ZONE: | |
212 | trace_seq_printf(p, " OPEN_ZONE"); | |
213 | break; | |
214 | case ATA_SUBCMD_ZAC_MGMT_OUT_RESET_WRITE_POINTER: | |
215 | trace_seq_printf(p, " RESET_WRITE_POINTER"); | |
216 | break; | |
217 | } | |
218 | break; | |
a5703849 HR |
219 | } |
220 | trace_seq_putc(p, 0); | |
221 | ||
222 | return ret; | |
223 | } |