aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/qla4xxx/ql4_attr.c
blob: 463239c972b093e63ee74d64ca2fcf234a66cad8 (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
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
/*
 * QLogic iSCSI HBA Driver
 * Copyright (c)  2003-2013 QLogic Corporation
 *
 * See LICENSE.qla4xxx for copyright and licensing details.
 */

#include "ql4_def.h"
#include "ql4_glbl.h"
#include "ql4_dbg.h"

static ssize_t
qla4_8xxx_sysfs_read_fw_dump(struct file *filep, struct kobject *kobj,
			     struct bin_attribute *ba, char *buf, loff_t off,
			     size_t count)
{
	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
					       struct device, kobj)));

	if (is_qla40XX(ha))
		return -EINVAL;

	if (!test_bit(AF_82XX_DUMP_READING, &ha->flags))
		return 0;

	return memory_read_from_buffer(buf, count, &off, ha->fw_dump,
				       ha->fw_dump_size);
}

static ssize_t
qla4_8xxx_sysfs_write_fw_dump(struct file *filep, struct kobject *kobj,
			      struct bin_attribute *ba, char *buf, loff_t off,
			      size_t count)
{
	struct scsi_qla_host *ha = to_qla_host(dev_to_shost(container_of(kobj,
					       struct device, kobj)));
	uint32_t dev_state;
	long reading;
	int ret = 0;

	if (is_qla40XX(ha))
		return -EINVAL;

	if (off != 0)
		return ret;

	buf[1] = 0;
	ret = kstrtol(buf, 10, &reading);
	if (ret) {
		ql4_printk(KERN_ERR, ha, "%s: Invalid input. Return err %d\n",
			   __func__, ret);
		return ret;
	}

	switch (reading) {
	case 0:
		/* clear dump collection flags */
		if (test_and_clear_bit(AF_82XX_DUMP_READING, &ha->flags)) {
			clear_bit(AF_82XX_FW_DUMPED, &ha->flags);
			/* Reload minidump template */
			qla4xxx_alloc_fw_dump(ha);
			DEBUG2(ql4_printk(KERN_INFO, ha,
					  "Firmware template reloaded\n"));
		}
		break;
	case 1:
		/* Set flag to read dump */
		if (test_bit(AF_82XX_FW_DUMPED, &ha->flags) &&
		    !test_bit(AF_82XX_DUMP_READING, &ha->flags)) {
			set_bit(AF_82XX_DUMP_READING, &ha->flags);
			DEBUG2(ql4_printk(KERN_INFO, ha,
					  "Raw firmware dump ready for read on (%ld).\n",
					  ha->host_no));
		}
		break;
	case 2:
		/* Reset HBA and collect FW dump */
		ha->isp_ops->idc_lock(ha);
		dev_state = qla4_8xxx_rd_direct(ha, QLA8XXX_CRB_DEV_STATE);
		if (dev_state == QLA8XXX_DEV_READY) {
			ql4_printk(KERN_INFO, ha, "%s: Setting Need reset\n",
				   __func__);
			qla4_8xxx_wr_direct(ha, QLA8XXX_CRB_DEV_STATE,
					    QLA8XXX_DEV_NEED_RESET);
			if (is_qla8022(ha) ||
			    ((is_qla8032(ha) || is_qla8042(ha)) &&
			     qla4_83xx_can_perform_reset(ha))) {
				set_bit(AF_8XXX_RST_OWNER, &ha->flags);
				set_bit(AF_FW_RECOVERY, &ha->flags);
				ql4_printk(KERN_INFO, ha, "%s: Reset owner is 0x%x\n",
					   __func__, ha->func_num);
			}
		} else
			ql4_printk(KERN_INFO, ha,
				   "%s: Reset not performed as device state is 0x%x\n",
				   __func__, dev_state);

		ha->isp_ops->idc_unlock(ha);
		break;
	default:
		/* do nothing */
		break;
	}

	return count;
}

static struct bin_attribute sysfs_fw_dump_attr = {
	.attr = {
		.name = "fw_dump",
		.mode = S_IRUSR | S_IWUSR,
	},
	.size = 0,
	.read = qla4_8xxx_sysfs_read_fw_dump,
	.write = qla4_8xxx_sysfs_write_fw_dump,
};

static struct sysfs_entry {
	char *name;
	struct bin_attribute *attr;
} bin_file_entries[] = {
	{ "fw_dump", &sysfs_fw_dump_attr },
	{ NULL },
};

void qla4_8xxx_alloc_sysfs_attr(struct scsi_qla_host *ha)
{
	struct Scsi_Host *host = ha->host;
	struct sysfs_entry *iter;
	int ret;

	for (iter = bin_file_entries; iter->name; iter++) {
		ret = sysfs_create_bin_file(&host->shost_gendev.kobj,
					    iter->attr);
		if (ret)
			ql4_printk(KERN_ERR, ha,
				   "Unable to create sysfs %s binary attribute (%d).\n",
				   iter->name, ret);
	}
}

void qla4_8xxx_free_sysfs_attr(struct scsi_qla_host *ha)
{
	struct Scsi_Host *host = ha->host;
	struct sysfs_entry *iter;

	for (iter = bin_file_entries; iter->name; iter++)
		sysfs_remove_bin_file(&host->shost_gendev.kobj,
				      iter->attr);
}

/* Scsi_Host attributes. */
static ssize_t
qla4xxx_fw_version_show(struct device *dev,
			struct device_attribute *attr, char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));

	if (is_qla80XX(ha))
		return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n",
				ha->fw_info.fw_major, ha->fw_info.fw_minor,
				ha->fw_info.fw_patch, ha->fw_info.fw_build);
	else
		return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d.%02d\n",
				ha->fw_info.fw_major, ha->fw_info.fw_minor,
				ha->fw_info.fw_patch, ha->fw_info.fw_build);
}

static ssize_t
qla4xxx_serial_num_show(struct device *dev, struct device_attribute *attr,
			char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
	return snprintf(buf, PAGE_SIZE, "%s\n", ha->serial_number);
}

static ssize_t
qla4xxx_iscsi_version_show(struct device *dev, struct device_attribute *attr,
			   char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
	return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fw_info.iscsi_major,
			ha->fw_info.iscsi_minor);
}

static ssize_t
qla4xxx_optrom_version_show(struct device *dev, struct device_attribute *attr,
			    char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
	return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d.%02d\n",
			ha->fw_info.bootload_major, ha->fw_info.bootload_minor,
			ha->fw_info.bootload_patch, ha->fw_info.bootload_build);
}

static ssize_t
qla4xxx_board_id_show(struct device *dev, struct device_attribute *attr,
		      char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
	return snprintf(buf, PAGE_SIZE, "0x%08X\n", ha->board_id);
}

static ssize_t
qla4xxx_fw_state_show(struct device *dev, struct device_attribute *attr,
		      char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));

	qla4xxx_get_firmware_state(ha);
	return snprintf(buf, PAGE_SIZE, "0x%08X%8X\n", ha->firmware_state,
			ha->addl_fw_state);
}

static ssize_t
qla4xxx_phy_port_cnt_show(struct device *dev, struct device_attribute *attr,
		      char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));

	if (is_qla40XX(ha))
		return -ENOSYS;

	return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_cnt);
}

static ssize_t
qla4xxx_phy_port_num_show(struct device *dev, struct device_attribute *attr,
		      char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));

	if (is_qla40XX(ha))
		return -ENOSYS;

	return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->phy_port_num);
}

static ssize_t
qla4xxx_iscsi_func_cnt_show(struct device *dev, struct device_attribute *attr,
		      char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));

	if (is_qla40XX(ha))
		return -ENOSYS;

	return snprintf(buf, PAGE_SIZE, "0x%04X\n", ha->iscsi_pci_func_cnt);
}

static ssize_t
qla4xxx_hba_model_show(struct device *dev, struct device_attribute *attr,
		       char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));

	return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_name);
}

static ssize_t
qla4xxx_fw_timestamp_show(struct device *dev, struct device_attribute *attr,
			  char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
	return snprintf(buf, PAGE_SIZE, "%s %s\n", ha->fw_info.fw_build_date,
			ha->fw_info.fw_build_time);
}

static ssize_t
qla4xxx_fw_build_user_show(struct device *dev, struct device_attribute *attr,
			   char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
	return snprintf(buf, PAGE_SIZE, "%s\n", ha->fw_info.fw_build_user);
}

static ssize_t
qla4xxx_fw_ext_timestamp_show(struct device *dev, struct device_attribute *attr,
			      char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
	return snprintf(buf, PAGE_SIZE, "%s\n", ha->fw_info.extended_timestamp);
}

static ssize_t
qla4xxx_fw_load_src_show(struct device *dev, struct device_attribute *attr,
			 char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
	char *load_src = NULL;

	switch (ha->fw_info.fw_load_source) {
	case 1:
		load_src = "Flash Primary";
		break;
	case 2:
		load_src = "Flash Secondary";
		break;
	case 3:
		load_src = "Host Download";
		break;
	}

	return snprintf(buf, PAGE_SIZE, "%s\n", load_src);
}

static ssize_t
qla4xxx_fw_uptime_show(struct device *dev, struct device_attribute *attr,
		       char *buf)
{
	struct scsi_qla_host *ha = to_qla_host(class_to_shost(dev));
	qla4xxx_about_firmware(ha);
	return snprintf(buf, PAGE_SIZE, "%u.%u secs\n", ha->fw_uptime_secs,
			ha->fw_uptime_msecs);
}

static DEVICE_ATTR(fw_version, S_IRUGO, qla4xxx_fw_version_show, NULL);
static DEVICE_ATTR(serial_num, S_IRUGO, qla4xxx_serial_num_show, NULL);
static DEVICE_ATTR(iscsi_version, S_IRUGO, qla4xxx_iscsi_version_show, NULL);
static DEVICE_ATTR(optrom_version, S_IRUGO, qla4xxx_optrom_version_show, NULL);
static DEVICE_ATTR(board_id, S_IRUGO, qla4xxx_board_id_show, NULL);
static DEVICE_ATTR(fw_state, S_IRUGO, qla4xxx_fw_state_show, NULL);
static DEVICE_ATTR(phy_port_cnt, S_IRUGO, qla4xxx_phy_port_cnt_show, NULL);
static DEVICE_ATTR(phy_port_num, S_IRUGO, qla4xxx_phy_port_num_show, NULL);
static DEVICE_ATTR(iscsi_func_cnt, S_IRUGO, qla4xxx_iscsi_func_cnt_show, NULL);
static DEVICE_ATTR(hba_model, S_IRUGO, qla4xxx_hba_model_show, NULL);
static DEVICE_ATTR(fw_timestamp, S_IRUGO, qla4xxx_fw_timestamp_show, NULL);
static DEVICE_ATTR(fw_build_user, S_IRUGO, qla4xxx_fw_build_user_show, NULL);
static DEVICE_ATTR(fw_ext_timestamp, S_IRUGO, qla4xxx_fw_ext_timestamp_show,
		   NULL);
static DEVICE_ATTR(fw_load_src, S_IRUGO, qla4xxx_fw_load_src_show, NULL);
static DEVICE_ATTR(fw_uptime, S_IRUGO, qla4xxx_fw_uptime_show, NULL);

struct device_attribute *qla4xxx_host_attrs[] = {
	&dev_attr_fw_version,
	&dev_attr_serial_num,
	&dev_attr_iscsi_version,
	&dev_attr_optrom_version,
	&dev_attr_board_id,
	&dev_attr_fw_state,
	&dev_attr_phy_port_cnt,
	&dev_attr_phy_port_num,
	&dev_attr_iscsi_func_cnt,
	&dev_attr_hba_model,
	&dev_attr_fw_timestamp,
	&dev_attr_fw_build_user,
	&dev_attr_fw_ext_timestamp,
	&dev_attr_fw_load_src,
	&dev_attr_fw_uptime,
	NULL,
};