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6#include "qedf.h"
7
8inline bool qedf_is_vport(struct qedf_ctx *qedf)
9{
10 return qedf->lport->vport != NULL;
11}
12
13
14static struct qedf_ctx *qedf_get_base_qedf(struct qedf_ctx *qedf)
15{
16 struct fc_lport *lport;
17 struct fc_lport *base_lport;
18
19 if (!(qedf_is_vport(qedf)))
20 return NULL;
21
22 lport = qedf->lport;
23 base_lport = shost_priv(vport_to_shost(lport->vport));
24 return lport_priv(base_lport);
25}
26
27static ssize_t fcoe_mac_show(struct device *dev,
28 struct device_attribute *attr, char *buf)
29{
30 struct fc_lport *lport = shost_priv(class_to_shost(dev));
31 u32 port_id;
32 u8 lport_src_id[3];
33 u8 fcoe_mac[6];
34
35 port_id = fc_host_port_id(lport->host);
36 lport_src_id[2] = (port_id & 0x000000FF);
37 lport_src_id[1] = (port_id & 0x0000FF00) >> 8;
38 lport_src_id[0] = (port_id & 0x00FF0000) >> 16;
39 fc_fcoe_set_mac(fcoe_mac, lport_src_id);
40
41 return scnprintf(buf, PAGE_SIZE, "%pM\n", fcoe_mac);
42}
43
44static ssize_t fka_period_show(struct device *dev,
45 struct device_attribute *attr, char *buf)
46{
47 struct fc_lport *lport = shost_priv(class_to_shost(dev));
48 struct qedf_ctx *qedf = lport_priv(lport);
49 int fka_period = -1;
50
51 if (qedf_is_vport(qedf))
52 qedf = qedf_get_base_qedf(qedf);
53
54 if (qedf->ctlr.sel_fcf)
55 fka_period = qedf->ctlr.sel_fcf->fka_period;
56
57 return scnprintf(buf, PAGE_SIZE, "%d\n", fka_period);
58}
59
60static DEVICE_ATTR_RO(fcoe_mac);
61static DEVICE_ATTR_RO(fka_period);
62
63static struct attribute *qedf_host_attrs[] = {
64 &dev_attr_fcoe_mac.attr,
65 &dev_attr_fka_period.attr,
66 NULL,
67};
68
69static const struct attribute_group qedf_host_attr_group = {
70 .attrs = qedf_host_attrs
71};
72
73const struct attribute_group *qedf_host_groups[] = {
74 &qedf_host_attr_group,
75 NULL
76};
77
78extern const struct qed_fcoe_ops *qed_ops;
79
80void qedf_capture_grc_dump(struct qedf_ctx *qedf)
81{
82 struct qedf_ctx *base_qedf;
83
84
85 if (qedf_is_vport(qedf))
86 base_qedf = qedf_get_base_qedf(qedf);
87 else
88 base_qedf = qedf;
89
90 if (test_bit(QEDF_GRCDUMP_CAPTURE, &base_qedf->flags)) {
91 QEDF_INFO(&(base_qedf->dbg_ctx), QEDF_LOG_INFO,
92 "GRC Dump already captured.\n");
93 return;
94 }
95
96
97 qedf_get_grc_dump(base_qedf->cdev, qed_ops->common,
98 &base_qedf->grcdump, &base_qedf->grcdump_size);
99 QEDF_ERR(&(base_qedf->dbg_ctx), "GRC Dump captured.\n");
100 set_bit(QEDF_GRCDUMP_CAPTURE, &base_qedf->flags);
101 qedf_uevent_emit(base_qedf->lport->host, QEDF_UEVENT_CODE_GRCDUMP,
102 NULL);
103}
104
105static ssize_t
106qedf_sysfs_read_grcdump(struct file *filep, struct kobject *kobj,
107 struct bin_attribute *ba, char *buf, loff_t off,
108 size_t count)
109{
110 ssize_t ret = 0;
111 struct fc_lport *lport = shost_priv(dev_to_shost(container_of(kobj,
112 struct device, kobj)));
113 struct qedf_ctx *qedf = lport_priv(lport);
114
115 if (test_bit(QEDF_GRCDUMP_CAPTURE, &qedf->flags)) {
116 ret = memory_read_from_buffer(buf, count, &off,
117 qedf->grcdump, qedf->grcdump_size);
118 } else {
119 QEDF_ERR(&(qedf->dbg_ctx), "GRC Dump not captured!\n");
120 }
121
122 return ret;
123}
124
125static ssize_t
126qedf_sysfs_write_grcdump(struct file *filep, struct kobject *kobj,
127 struct bin_attribute *ba, char *buf, loff_t off,
128 size_t count)
129{
130 struct fc_lport *lport = NULL;
131 struct qedf_ctx *qedf = NULL;
132 long reading;
133 int ret = 0;
134 char msg[40];
135
136 if (off != 0)
137 return ret;
138
139
140 lport = shost_priv(dev_to_shost(container_of(kobj,
141 struct device, kobj)));
142 qedf = lport_priv(lport);
143
144 buf[1] = 0;
145 ret = kstrtol(buf, 10, &reading);
146 if (ret) {
147 QEDF_ERR(&(qedf->dbg_ctx), "Invalid input, err(%d)\n", ret);
148 return ret;
149 }
150
151 memset(msg, 0, sizeof(msg));
152 switch (reading) {
153 case 0:
154 memset(qedf->grcdump, 0, qedf->grcdump_size);
155 clear_bit(QEDF_GRCDUMP_CAPTURE, &qedf->flags);
156 break;
157 case 1:
158 qedf_capture_grc_dump(qedf);
159 break;
160 }
161
162 return count;
163}
164
165static struct bin_attribute sysfs_grcdump_attr = {
166 .attr = {
167 .name = "grcdump",
168 .mode = S_IRUSR | S_IWUSR,
169 },
170 .size = 0,
171 .read = qedf_sysfs_read_grcdump,
172 .write = qedf_sysfs_write_grcdump,
173};
174
175static struct sysfs_bin_attrs bin_file_entries[] = {
176 {"grcdump", &sysfs_grcdump_attr},
177 {NULL},
178};
179
180void qedf_create_sysfs_ctx_attr(struct qedf_ctx *qedf)
181{
182 qedf_create_sysfs_attr(qedf->lport->host, bin_file_entries);
183}
184
185void qedf_remove_sysfs_ctx_attr(struct qedf_ctx *qedf)
186{
187 qedf_remove_sysfs_attr(qedf->lport->host, bin_file_entries);
188}
189
