summaryrefslogtreecommitdiff
path: root/drivers/scsi/qedf/qedf_dbg.c
blob: e023f5d0dc12cf3c371226a6795f059c020bce54 (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
/*
 *  QLogic FCoE Offload Driver
 *  Copyright (c) 2016 Cavium Inc.
 *
 *  This software is available under the terms of the GNU General Public License
 *  (GPL) Version 2, available from the file COPYING in the main directory of
 *  this source tree.
 */
#include "qedf_dbg.h"
#include <linux/vmalloc.h>

void
qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
	      const char *fmt, ...)
{
	va_list va;
	struct va_format vaf;
	char nfunc[32];

	memset(nfunc, 0, sizeof(nfunc));
	memcpy(nfunc, func, sizeof(nfunc) - 1);

	va_start(va, fmt);

	vaf.fmt = fmt;
	vaf.va = &va;

	if (likely(qedf) && likely(qedf->pdev))
		pr_err("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),
			nfunc, line, qedf->host_no, &vaf);
	else
		pr_err("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);

	va_end(va);
}

void
qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
	       const char *fmt, ...)
{
	va_list va;
	struct va_format vaf;
	char nfunc[32];

	memset(nfunc, 0, sizeof(nfunc));
	memcpy(nfunc, func, sizeof(nfunc) - 1);

	va_start(va, fmt);

	vaf.fmt = fmt;
	vaf.va = &va;

	if (!(qedf_debug & QEDF_LOG_WARN))
		goto ret;

	if (likely(qedf) && likely(qedf->pdev))
		pr_warn("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),
			nfunc, line, qedf->host_no, &vaf);
	else
		pr_warn("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);

ret:
	va_end(va);
}

void
qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
		 const char *fmt, ...)
{
	va_list va;
	struct va_format vaf;
	char nfunc[32];

	memset(nfunc, 0, sizeof(nfunc));
	memcpy(nfunc, func, sizeof(nfunc) - 1);

	va_start(va, fmt);

	vaf.fmt = fmt;
	vaf.va = &va;

	if (!(qedf_debug & QEDF_LOG_NOTICE))
		goto ret;

	if (likely(qedf) && likely(qedf->pdev))
		pr_notice("[%s]:[%s:%d]:%d: %pV",
			  dev_name(&(qedf->pdev->dev)), nfunc, line,
			  qedf->host_no, &vaf);
	else
		pr_notice("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);

ret:
	va_end(va);
}

void
qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line,
	       u32 level, const char *fmt, ...)
{
	va_list va;
	struct va_format vaf;
	char nfunc[32];

	memset(nfunc, 0, sizeof(nfunc));
	memcpy(nfunc, func, sizeof(nfunc) - 1);

	va_start(va, fmt);

	vaf.fmt = fmt;
	vaf.va = &va;

	if (!(qedf_debug & level))
		goto ret;

	if (likely(qedf) && likely(qedf->pdev))
		pr_info("[%s]:[%s:%d]:%d: %pV", dev_name(&(qedf->pdev->dev)),
			nfunc, line, qedf->host_no, &vaf);
	else
		pr_info("[0000:00:00.0]:[%s:%d]: %pV", nfunc, line, &vaf);

ret:
	va_end(va);
}

int
qedf_alloc_grc_dump_buf(u8 **buf, uint32_t len)
{
		*buf = vmalloc(len);
		if (!(*buf))
			return -ENOMEM;

		memset(*buf, 0, len);
		return 0;
}

void
qedf_free_grc_dump_buf(uint8_t **buf)
{
		vfree(*buf);
		*buf = NULL;
}

int
qedf_get_grc_dump(struct qed_dev *cdev, const struct qed_common_ops *common,
		   u8 **buf, uint32_t *grcsize)
{
	if (!*buf)
		return -EINVAL;

	return common->dbg_grc(cdev, *buf, grcsize);
}

void
qedf_uevent_emit(struct Scsi_Host *shost, u32 code, char *msg)
{
	char event_string[40];
	char *envp[] = {event_string, NULL};

	memset(event_string, 0, sizeof(event_string));
	switch (code) {
	case QEDF_UEVENT_CODE_GRCDUMP:
		if (msg)
			strncpy(event_string, msg, strlen(msg));
		else
			sprintf(event_string, "GRCDUMP=%u", shost->host_no);
		break;
	default:
		/* do nothing */
		break;
	}

	kobject_uevent_env(&shost->shost_gendev.kobj, KOBJ_CHANGE, envp);
}

int
qedf_create_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
{
	int ret = 0;

	for (; iter->name; iter++) {
		ret = sysfs_create_bin_file(&shost->shost_gendev.kobj,
					    iter->attr);
		if (ret)
			pr_err("Unable to create sysfs %s attr, err(%d).\n",
			       iter->name, ret);
	}
	return ret;
}

void
qedf_remove_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter)
{
	for (; iter->name; iter++)
		sysfs_remove_bin_file(&shost->shost_gendev.kobj, iter->attr);
}