2 * libata-trace.c - trace functions for libata
4 * Copyright 2015 Hannes Reinecke
5 * Copyright 2015 SUSE Linux GmbH
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)
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.
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.
22 #include <linux/kernel.h>
23 #include <linux/trace_seq.h>
24 #include <trace/events/libata.h>
27 libata_trace_parse_status(struct trace_seq *p, unsigned char status)
29 const char *ret = trace_seq_buffer_ptr(p);
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 ");
37 trace_seq_printf(p, "DF ");
39 trace_seq_printf(p, "DSC ");
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 ");
47 trace_seq_printf(p, "ERR ");
48 trace_seq_putc(p, '}');
55 libata_trace_parse_eh_action(struct trace_seq *p, unsigned int eh_action)
57 const char *ret = trace_seq_buffer_ptr(p);
59 trace_seq_printf(p, "%x", 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, '}');
82 libata_trace_parse_eh_err_mask(struct trace_seq *p, unsigned int eh_err_mask)
84 const char *ret = trace_seq_buffer_ptr(p);
86 trace_seq_printf(p, "%x", 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, '}');
113 trace_seq_putc(p, 0);
119 libata_trace_parse_qc_flags(struct trace_seq *p, unsigned int qc_flags)
121 const char *ret = trace_seq_buffer_ptr(p);
123 trace_seq_printf(p, "%x", 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, '}');
148 trace_seq_putc(p, 0);
154 libata_trace_parse_subcmd(struct trace_seq *p, unsigned char cmd,
155 unsigned char feature, unsigned char hob_nsect)
157 const char *ret = trace_seq_buffer_ptr(p);
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");
165 case ATA_SUBCMD_FPDMA_RECV_ZAC_MGMT_IN:
166 trace_seq_printf(p, " ZAC_MGMT_IN");
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");
175 case ATA_SUBCMD_FPDMA_SEND_DSM:
176 trace_seq_printf(p, " DATASET_MANAGEMENT");
180 case ATA_CMD_NCQ_NON_DATA:
182 case ATA_SUBCMD_NCQ_NON_DATA_ABORT_QUEUE:
183 trace_seq_printf(p, " ABORT_QUEUE");
185 case ATA_SUBCMD_NCQ_NON_DATA_SET_FEATURES:
186 trace_seq_printf(p, " SET_FEATURES");
188 case ATA_SUBCMD_NCQ_NON_DATA_ZERO_EXT:
189 trace_seq_printf(p, " ZERO_EXT");
191 case ATA_SUBCMD_NCQ_NON_DATA_ZAC_MGMT_OUT:
192 trace_seq_printf(p, " ZAC_MGMT_OUT");
196 case ATA_CMD_ZAC_MGMT_IN:
198 case ATA_SUBCMD_ZAC_MGMT_IN_REPORT_ZONES:
199 trace_seq_printf(p, " REPORT_ZONES");
203 case ATA_CMD_ZAC_MGMT_OUT:
205 case ATA_SUBCMD_ZAC_MGMT_OUT_CLOSE_ZONE:
206 trace_seq_printf(p, " CLOSE_ZONE");
208 case ATA_SUBCMD_ZAC_MGMT_OUT_FINISH_ZONE:
209 trace_seq_printf(p, " FINISH_ZONE");
211 case ATA_SUBCMD_ZAC_MGMT_OUT_OPEN_ZONE:
212 trace_seq_printf(p, " OPEN_ZONE");
214 case ATA_SUBCMD_ZAC_MGMT_OUT_RESET_WRITE_POINTER:
215 trace_seq_printf(p, " RESET_WRITE_POINTER");
220 trace_seq_putc(p, 0);