1 // SPDX-License-Identifier: GPL-2.0
25 				struct device_attribute *attr, char *buf)  in ctcm_buffer_show()  argument
30 		return -ENODEV;  in ctcm_buffer_show()
31 	return sysfs_emit(buf, "%d\n", priv->buffer_size);  in ctcm_buffer_show()
35 		struct device_attribute *attr, const char *buf, size_t count)  in ctcm_buffer_write()  argument
42 	if (!(priv && priv->channel[CTCM_READ] &&  in ctcm_buffer_write()
43 	      priv->channel[CTCM_READ]->netdev)) {  in ctcm_buffer_write()
45 		return -ENODEV;  in ctcm_buffer_write()
47 	ndev = priv->channel[CTCM_READ]->netdev;  in ctcm_buffer_write()
56 	priv->buffer_size = bs1;	/* just to overwrite the default */  in ctcm_buffer_write()
58 	if ((ndev->flags & IFF_RUNNING) &&  in ctcm_buffer_write()
59 	    (bs1 < (ndev->mtu + LL_HEADER_LENGTH + 2)))  in ctcm_buffer_write()
62 	priv->channel[CTCM_READ]->max_bufsize = bs1;  in ctcm_buffer_write()
63 	priv->channel[CTCM_WRITE]->max_bufsize = bs1;  in ctcm_buffer_write()
64 	if (!(ndev->flags & IFF_RUNNING))  in ctcm_buffer_write()
65 		ndev->mtu = bs1 - LL_HEADER_LENGTH - 2;  in ctcm_buffer_write()
66 	priv->channel[CTCM_READ]->flags |= CHANNEL_FLAGS_BUFSIZE_CHANGED;  in ctcm_buffer_write()
67 	priv->channel[CTCM_WRITE]->flags |= CHANNEL_FLAGS_BUFSIZE_CHANGED;  in ctcm_buffer_write()
74 	return -EINVAL;  in ctcm_buffer_write()
90 		       fsm_getstate_str(priv->fsm));  in ctcm_print_statistics()
92 		       fsm_getstate_str(priv->channel[CTCM_READ]->fsm));  in ctcm_print_statistics()
94 		       fsm_getstate_str(priv->channel[CTCM_WRITE]->fsm));  in ctcm_print_statistics()
96 		       priv->channel[WRITE]->prof.maxmulti);  in ctcm_print_statistics()
98 		       priv->channel[WRITE]->prof.maxcqueue);  in ctcm_print_statistics()
100 		       priv->channel[WRITE]->prof.doios_single);  in ctcm_print_statistics()
101 	p += scnprintf(p, CTCM_STATSIZE_LIMIT, "  TX multi write ops: %ld\n",  in ctcm_print_statistics()
102 		       priv->channel[WRITE]->prof.doios_multi);  in ctcm_print_statistics()
104 		       priv->channel[WRITE]->prof.txlen);  in ctcm_print_statistics()
105 	p += scnprintf(p, CTCM_STATSIZE_LIMIT, "  Max. TX IO-time: %u\n",  in ctcm_print_statistics()
106 		       jiffies_to_usecs(priv->channel[WRITE]->prof.tx_time));  in ctcm_print_statistics()
109 				priv->channel[CTCM_WRITE]->netdev->name, sbuf);  in ctcm_print_statistics()
115 			  struct device_attribute *attr, char *buf)  in stats_show()  argument
120 	if (!priv || gdev->state != CCWGROUP_ONLINE)  in stats_show()
121 		return -ENODEV;  in stats_show()
126 static ssize_t stats_write(struct device *dev, struct device_attribute *attr,  in stats_write()  argument
131 		return -ENODEV;  in stats_write()
133 	memset(&priv->channel[WRITE]->prof, 0,  in stats_write()
134 				sizeof(priv->channel[CTCM_WRITE]->prof));  in stats_write()
139 				struct device_attribute *attr, char *buf)  in ctcm_proto_show()  argument
143 		return -ENODEV;  in ctcm_proto_show()
145 	return sysfs_emit(buf, "%d\n", priv->protocol);  in ctcm_proto_show()
149 		struct device_attribute *attr, const char *buf, size_t count)  in ctcm_proto_store()  argument
155 		return -ENODEV;  in ctcm_proto_store()
162 		return -EINVAL;  in ctcm_proto_store()
163 	priv->protocol = value;  in ctcm_proto_store()
179 				struct device_attribute *attr, char *buf)  in ctcm_type_show()  argument
185 		return -ENODEV;  in ctcm_type_show()
188 			  ctcm_type[cgdev->cdev[0]->id.driver_info]);  in ctcm_type_show()
197 	&dev_attr_protocol.attr,
198 	&dev_attr_type.attr,
199 	&dev_attr_buffer.attr,
200 	&dev_attr_stats.attr,