1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * QLogic FCoE Offload Driver |
4 | * Copyright (c) 2016-2018 Cavium Inc. |
5 | */ |
6 | #include "qedf_dbg.h" |
7 | #include <linux/vmalloc.h> |
8 | |
9 | void |
10 | qedf_dbg_err(struct qedf_dbg_ctx *qedf, const char *func, u32 line, |
11 | const char *fmt, ...) |
12 | { |
13 | va_list va; |
14 | struct va_format vaf; |
15 | |
16 | va_start(va, fmt); |
17 | |
18 | vaf.fmt = fmt; |
19 | vaf.va = &va; |
20 | |
21 | if (likely(qedf) && likely(qedf->pdev)) |
22 | pr_err("[%s]:[%s:%d]:%d: %pV" , dev_name(&(qedf->pdev->dev)), |
23 | func, line, qedf->host_no, &vaf); |
24 | else |
25 | pr_err("[0000:00:00.0]:[%s:%d]: %pV" , func, line, &vaf); |
26 | |
27 | va_end(va); |
28 | } |
29 | |
30 | void |
31 | qedf_dbg_warn(struct qedf_dbg_ctx *qedf, const char *func, u32 line, |
32 | const char *fmt, ...) |
33 | { |
34 | va_list va; |
35 | struct va_format vaf; |
36 | |
37 | va_start(va, fmt); |
38 | |
39 | vaf.fmt = fmt; |
40 | vaf.va = &va; |
41 | |
42 | if (!(qedf_debug & QEDF_LOG_WARN)) |
43 | goto ret; |
44 | |
45 | if (likely(qedf) && likely(qedf->pdev)) |
46 | pr_warn("[%s]:[%s:%d]:%d: %pV" , dev_name(&(qedf->pdev->dev)), |
47 | func, line, qedf->host_no, &vaf); |
48 | else |
49 | pr_warn("[0000:00:00.0]:[%s:%d]: %pV" , func, line, &vaf); |
50 | |
51 | ret: |
52 | va_end(va); |
53 | } |
54 | |
55 | void |
56 | qedf_dbg_notice(struct qedf_dbg_ctx *qedf, const char *func, u32 line, |
57 | const char *fmt, ...) |
58 | { |
59 | va_list va; |
60 | struct va_format vaf; |
61 | |
62 | va_start(va, fmt); |
63 | |
64 | vaf.fmt = fmt; |
65 | vaf.va = &va; |
66 | |
67 | if (!(qedf_debug & QEDF_LOG_NOTICE)) |
68 | goto ret; |
69 | |
70 | if (likely(qedf) && likely(qedf->pdev)) |
71 | pr_notice("[%s]:[%s:%d]:%d: %pV" , |
72 | dev_name(&(qedf->pdev->dev)), func, line, |
73 | qedf->host_no, &vaf); |
74 | else |
75 | pr_notice("[0000:00:00.0]:[%s:%d]: %pV" , func, line, &vaf); |
76 | |
77 | ret: |
78 | va_end(va); |
79 | } |
80 | |
81 | void |
82 | qedf_dbg_info(struct qedf_dbg_ctx *qedf, const char *func, u32 line, |
83 | u32 level, const char *fmt, ...) |
84 | { |
85 | va_list va; |
86 | struct va_format vaf; |
87 | |
88 | va_start(va, fmt); |
89 | |
90 | vaf.fmt = fmt; |
91 | vaf.va = &va; |
92 | |
93 | if (!(qedf_debug & level)) |
94 | goto ret; |
95 | |
96 | if (likely(qedf) && likely(qedf->pdev)) |
97 | pr_info("[%s]:[%s:%d]:%d: %pV" , dev_name(&(qedf->pdev->dev)), |
98 | func, line, qedf->host_no, &vaf); |
99 | else |
100 | pr_info("[0000:00:00.0]:[%s:%d]: %pV" , func, line, &vaf); |
101 | |
102 | ret: |
103 | va_end(va); |
104 | } |
105 | |
106 | int |
107 | qedf_alloc_grc_dump_buf(u8 **buf, uint32_t len) |
108 | { |
109 | *buf = vzalloc(size: len); |
110 | if (!(*buf)) |
111 | return -ENOMEM; |
112 | |
113 | return 0; |
114 | } |
115 | |
116 | void |
117 | qedf_free_grc_dump_buf(uint8_t **buf) |
118 | { |
119 | vfree(addr: *buf); |
120 | *buf = NULL; |
121 | } |
122 | |
123 | int |
124 | qedf_get_grc_dump(struct qed_dev *cdev, const struct qed_common_ops *common, |
125 | u8 **buf, uint32_t *grcsize) |
126 | { |
127 | if (!*buf) |
128 | return -EINVAL; |
129 | |
130 | return common->dbg_all_data(cdev, *buf); |
131 | } |
132 | |
133 | void |
134 | qedf_uevent_emit(struct Scsi_Host *shost, u32 code, char *msg) |
135 | { |
136 | char event_string[40]; |
137 | char *envp[] = {event_string, NULL}; |
138 | |
139 | memset(event_string, 0, sizeof(event_string)); |
140 | switch (code) { |
141 | case QEDF_UEVENT_CODE_GRCDUMP: |
142 | if (msg) |
143 | strscpy(p: event_string, q: msg, size: sizeof(event_string)); |
144 | else |
145 | sprintf(buf: event_string, fmt: "GRCDUMP=%u" , shost->host_no); |
146 | break; |
147 | default: |
148 | /* do nothing */ |
149 | break; |
150 | } |
151 | |
152 | kobject_uevent_env(kobj: &shost->shost_gendev.kobj, action: KOBJ_CHANGE, envp); |
153 | } |
154 | |
155 | int |
156 | qedf_create_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter) |
157 | { |
158 | int ret = 0; |
159 | |
160 | for (; iter->name; iter++) { |
161 | ret = sysfs_create_bin_file(kobj: &shost->shost_gendev.kobj, |
162 | attr: iter->attr); |
163 | if (ret) |
164 | pr_err("Unable to create sysfs %s attr, err(%d).\n" , |
165 | iter->name, ret); |
166 | } |
167 | return ret; |
168 | } |
169 | |
170 | void |
171 | qedf_remove_sysfs_attr(struct Scsi_Host *shost, struct sysfs_bin_attrs *iter) |
172 | { |
173 | for (; iter->name; iter++) |
174 | sysfs_remove_bin_file(kobj: &shost->shost_gendev.kobj, attr: iter->attr); |
175 | } |
176 | |