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c82ee6d3 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
255c03d1 HR |
2 | /* |
3 | * libata-trace.c - trace functions for libata | |
4 | * | |
5 | * Copyright 2015 Hannes Reinecke | |
6 | * Copyright 2015 SUSE Linux GmbH | |
255c03d1 HR |
7 | */ |
8 | ||
9 | #include <linux/kernel.h> | |
10 | #include <linux/trace_seq.h> | |
11 | #include <trace/events/libata.h> | |
12 | ||
13 | const char * | |
14 | libata_trace_parse_status(struct trace_seq *p, unsigned char status) | |
15 | { | |
16 | const char *ret = trace_seq_buffer_ptr(p); | |
17 | ||
18 | trace_seq_printf(p, "{ "); | |
19 | if (status & ATA_BUSY) | |
20 | trace_seq_printf(p, "BUSY "); | |
21 | if (status & ATA_DRDY) | |
22 | trace_seq_printf(p, "DRDY "); | |
23 | if (status & ATA_DF) | |
24 | trace_seq_printf(p, "DF "); | |
25 | if (status & ATA_DSC) | |
26 | trace_seq_printf(p, "DSC "); | |
27 | if (status & ATA_DRQ) | |
28 | trace_seq_printf(p, "DRQ "); | |
29 | if (status & ATA_CORR) | |
30 | trace_seq_printf(p, "CORR "); | |
31 | if (status & ATA_SENSE) | |
32 | trace_seq_printf(p, "SENSE "); | |
33 | if (status & ATA_ERR) | |
34 | trace_seq_printf(p, "ERR "); | |
35 | trace_seq_putc(p, '}'); | |
36 | trace_seq_putc(p, 0); | |
37 | ||
38 | return ret; | |
39 | } | |
40 | ||
41 | const char * | |
42 | libata_trace_parse_eh_action(struct trace_seq *p, unsigned int eh_action) | |
43 | { | |
44 | const char *ret = trace_seq_buffer_ptr(p); | |
45 | ||
46 | trace_seq_printf(p, "%x", eh_action); | |
47 | if (eh_action) { | |
48 | trace_seq_printf(p, "{ "); | |
49 | if (eh_action & ATA_EH_REVALIDATE) | |
50 | trace_seq_printf(p, "REVALIDATE "); | |
51 | if (eh_action & (ATA_EH_SOFTRESET | ATA_EH_HARDRESET)) | |
52 | trace_seq_printf(p, "RESET "); | |
53 | else if (eh_action & ATA_EH_SOFTRESET) | |
54 | trace_seq_printf(p, "SOFTRESET "); | |
55 | else if (eh_action & ATA_EH_HARDRESET) | |
56 | trace_seq_printf(p, "HARDRESET "); | |
57 | if (eh_action & ATA_EH_ENABLE_LINK) | |
58 | trace_seq_printf(p, "ENABLE_LINK "); | |
59 | if (eh_action & ATA_EH_PARK) | |
60 | trace_seq_printf(p, "PARK "); | |
61 | trace_seq_putc(p, '}'); | |
62 | } | |
63 | trace_seq_putc(p, 0); | |
64 | ||
65 | return ret; | |
66 | } | |
67 | ||
68 | const char * | |
69 | libata_trace_parse_eh_err_mask(struct trace_seq *p, unsigned int eh_err_mask) | |
70 | { | |
71 | const char *ret = trace_seq_buffer_ptr(p); | |
72 | ||
73 | trace_seq_printf(p, "%x", eh_err_mask); | |
74 | if (eh_err_mask) { | |
75 | trace_seq_printf(p, "{ "); | |
76 | if (eh_err_mask & AC_ERR_DEV) | |
77 | trace_seq_printf(p, "DEV "); | |
78 | if (eh_err_mask & AC_ERR_HSM) | |
79 | trace_seq_printf(p, "HSM "); | |
80 | if (eh_err_mask & AC_ERR_TIMEOUT) | |
81 | trace_seq_printf(p, "TIMEOUT "); | |
82 | if (eh_err_mask & AC_ERR_MEDIA) | |
83 | trace_seq_printf(p, "MEDIA "); | |
84 | if (eh_err_mask & AC_ERR_ATA_BUS) | |
85 | trace_seq_printf(p, "ATA_BUS "); | |
86 | if (eh_err_mask & AC_ERR_HOST_BUS) | |
87 | trace_seq_printf(p, "HOST_BUS "); | |
88 | if (eh_err_mask & AC_ERR_SYSTEM) | |
89 | trace_seq_printf(p, "SYSTEM "); | |
90 | if (eh_err_mask & AC_ERR_INVALID) | |
91 | trace_seq_printf(p, "INVALID "); | |
92 | if (eh_err_mask & AC_ERR_OTHER) | |
93 | trace_seq_printf(p, "OTHER "); | |
94 | if (eh_err_mask & AC_ERR_NODEV_HINT) | |
95 | trace_seq_printf(p, "NODEV_HINT "); | |
96 | if (eh_err_mask & AC_ERR_NCQ) | |
97 | trace_seq_printf(p, "NCQ "); | |
98 | trace_seq_putc(p, '}'); | |
99 | } | |
100 | trace_seq_putc(p, 0); | |
101 | ||
102 | return ret; | |
103 | } | |
104 | ||
105 | const char * | |
106 | libata_trace_parse_qc_flags(struct trace_seq *p, unsigned int qc_flags) | |
107 | { | |
108 | const char *ret = trace_seq_buffer_ptr(p); | |
109 | ||
110 | trace_seq_printf(p, "%x", qc_flags); | |
111 | if (qc_flags) { | |
112 | trace_seq_printf(p, "{ "); | |
113 | if (qc_flags & ATA_QCFLAG_ACTIVE) | |
114 | trace_seq_printf(p, "ACTIVE "); | |
115 | if (qc_flags & ATA_QCFLAG_DMAMAP) | |
116 | trace_seq_printf(p, "DMAMAP "); | |
117 | if (qc_flags & ATA_QCFLAG_IO) | |
118 | trace_seq_printf(p, "IO "); | |
119 | if (qc_flags & ATA_QCFLAG_RESULT_TF) | |
120 | trace_seq_printf(p, "RESULT_TF "); | |
121 | if (qc_flags & ATA_QCFLAG_CLEAR_EXCL) | |
122 | trace_seq_printf(p, "CLEAR_EXCL "); | |
123 | if (qc_flags & ATA_QCFLAG_QUIET) | |
124 | trace_seq_printf(p, "QUIET "); | |
125 | if (qc_flags & ATA_QCFLAG_RETRY) | |
126 | trace_seq_printf(p, "RETRY "); | |
127 | if (qc_flags & ATA_QCFLAG_FAILED) | |
128 | trace_seq_printf(p, "FAILED "); | |
129 | if (qc_flags & ATA_QCFLAG_SENSE_VALID) | |
130 | trace_seq_printf(p, "SENSE_VALID "); | |
131 | if (qc_flags & ATA_QCFLAG_EH_SCHEDULED) | |
132 | trace_seq_printf(p, "EH_SCHEDULED "); | |
133 | trace_seq_putc(p, '}'); | |
134 | } | |
135 | trace_seq_putc(p, 0); | |
136 | ||
137 | return ret; | |
138 | } | |
a5703849 HR |
139 | |
140 | const char * | |
141 | libata_trace_parse_subcmd(struct trace_seq *p, unsigned char cmd, | |
142 | unsigned char feature, unsigned char hob_nsect) | |
143 | { | |
144 | const char *ret = trace_seq_buffer_ptr(p); | |
145 | ||
146 | switch (cmd) { | |
147 | case ATA_CMD_FPDMA_RECV: | |
148 | switch (hob_nsect & 0x5f) { | |
149 | case ATA_SUBCMD_FPDMA_RECV_RD_LOG_DMA_EXT: | |
150 | trace_seq_printf(p, " READ_LOG_DMA_EXT"); | |
151 | break; | |
28a3fc22 HR |
152 | case ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN: |
153 | trace_seq_printf(p, " ZAC_MGMT_IN"); | |
154 | break; | |
a5703849 HR |
155 | } |
156 | break; | |
157 | case ATA_CMD_FPDMA_SEND: | |
158 | switch (hob_nsect & 0x5f) { | |
159 | case ATA_SUBCMD_FPDMA_SEND_WR_LOG_DMA_EXT: | |
160 | trace_seq_printf(p, " WRITE_LOG_DMA_EXT"); | |
161 | break; | |
162 | case ATA_SUBCMD_FPDMA_SEND_DSM: | |
163 | trace_seq_printf(p, " DATASET_MANAGEMENT"); | |
164 | break; | |
165 | } | |
166 | break; | |
167 | case ATA_CMD_NCQ_NON_DATA: | |
168 | switch (feature) { | |
169 | case ATA_SUBCMD_NCQ_NON_DATA_ABORT_QUEUE: | |
170 | trace_seq_printf(p, " ABORT_QUEUE"); | |
171 | break; | |
172 | case ATA_SUBCMD_NCQ_NON_DATA_SET_FEATURES: | |
173 | trace_seq_printf(p, " SET_FEATURES"); | |
174 | break; | |
175 | case ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT: | |
176 | trace_seq_printf(p, " ZERO_EXT"); | |
177 | break; | |
284b3b77 HR |
178 | case ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT: |
179 | trace_seq_printf(p, " ZAC_MGMT_OUT"); | |
180 | break; | |
a5703849 HR |
181 | } |
182 | break; | |
28a3fc22 HR |
183 | case ATA_CMD_ZAC_MGMT_IN: |
184 | switch (feature) { | |
185 | case ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES: | |
186 | trace_seq_printf(p, " REPORT_ZONES"); | |
187 | break; | |
188 | } | |
189 | break; | |
27708a95 HR |
190 | case ATA_CMD_ZAC_MGMT_OUT: |
191 | switch (feature) { | |
192 | case ATA_SUBCMD_ZAC_MGMT_OUT_CLOSE_ZONE: | |
193 | trace_seq_printf(p, " CLOSE_ZONE"); | |
194 | break; | |
195 | case ATA_SUBCMD_ZAC_MGMT_OUT_FINISH_ZONE: | |
196 | trace_seq_printf(p, " FINISH_ZONE"); | |
197 | break; | |
198 | case ATA_SUBCMD_ZAC_MGMT_OUT_OPEN_ZONE: | |
199 | trace_seq_printf(p, " OPEN_ZONE"); | |
200 | break; | |
201 | case ATA_SUBCMD_ZAC_MGMT_OUT_RESET_WRITE_POINTER: | |
202 | trace_seq_printf(p, " RESET_WRITE_POINTER"); | |
203 | break; | |
204 | } | |
205 | break; | |
a5703849 HR |
206 | } |
207 | trace_seq_putc(p, 0); | |
208 | ||
209 | return ret; | |
210 | } |