--- /dev/null
+/*
+ * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses. You may choose to be licensed 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, or the
+ * OpenIB.org BSD license below:
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ *
+ * $Id: sysfs.c 1349 2004-12-16 21:09:43Z roland $
+ */
+
+#include "core_priv.h"
+
+#include <ib_mad.h>
+
+struct ib_port {
+ struct kobject kobj;
+ struct ib_device *ibdev;
+ struct attribute_group gid_group;
+ struct attribute **gid_attr;
+ struct attribute_group pkey_group;
+ struct attribute **pkey_attr;
+ u8 port_num;
+};
+
+struct port_attribute {
+ struct attribute attr;
+ ssize_t (*show)(struct ib_port *, struct port_attribute *, char *buf);
+ ssize_t (*store)(struct ib_port *, struct port_attribute *,
+ const char *buf, size_t count);
+};
+
+#define PORT_ATTR(_name, _mode, _show, _store) \
+struct port_attribute port_attr_##_name = __ATTR(_name, _mode, _show, _store)
+
+#define PORT_ATTR_RO(_name) \
+struct port_attribute port_attr_##_name = __ATTR_RO(_name)
+
+struct port_table_attribute {
+ struct port_attribute attr;
+ int index;
+};
+
+static ssize_t port_attr_show(struct kobject *kobj,
+ struct attribute *attr, char *buf)
+{
+ struct port_attribute *port_attr =
+ container_of(attr, struct port_attribute, attr);
+ struct ib_port *p = container_of(kobj, struct ib_port, kobj);
+
+ if (!port_attr->show)
+ return 0;
+
+ return port_attr->show(p, port_attr, buf);
+}
+
+static struct sysfs_ops port_sysfs_ops = {
+ .show = port_attr_show
+};
+
+static ssize_t state_show(struct ib_port *p, struct port_attribute *unused,
+ char *buf)
+{
+ struct ib_port_attr attr;
+ ssize_t ret;
+
+ static const char *state_name[] = {
+ [IB_PORT_NOP] = "NOP",
+ [IB_PORT_DOWN] = "DOWN",
+ [IB_PORT_INIT] = "INIT",
+ [IB_PORT_ARMED] = "ARMED",
+ [IB_PORT_ACTIVE] = "ACTIVE",
+ [IB_PORT_ACTIVE_DEFER] = "ACTIVE_DEFER"
+ };
+
+ ret = ib_query_port(p->ibdev, p->port_num, &attr);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%d: %s\n", attr.state,
+ attr.state >= 0 && attr.state <= ARRAY_SIZE(state_name) ?
+ state_name[attr.state] : "UNKNOWN");
+}
+
+static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused,
+ char *buf)
+{
+ struct ib_port_attr attr;
+ ssize_t ret;
+
+ ret = ib_query_port(p->ibdev, p->port_num, &attr);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "0x%x\n", attr.lid);
+}
+
+static ssize_t lid_mask_count_show(struct ib_port *p,
+ struct port_attribute *unused,
+ char *buf)
+{
+ struct ib_port_attr attr;
+ ssize_t ret;
+
+ ret = ib_query_port(p->ibdev, p->port_num, &attr);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%d\n", attr.lmc);
+}
+
+static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused,
+ char *buf)
+{
+ struct ib_port_attr attr;
+ ssize_t ret;
+
+ ret = ib_query_port(p->ibdev, p->port_num, &attr);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "0x%x\n", attr.sm_lid);
+}
+
+static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused,
+ char *buf)
+{
+ struct ib_port_attr attr;
+ ssize_t ret;
+
+ ret = ib_query_port(p->ibdev, p->port_num, &attr);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%d\n", attr.sm_sl);
+}
+
+static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused,
+ char *buf)
+{
+ struct ib_port_attr attr;
+ ssize_t ret;
+
+ ret = ib_query_port(p->ibdev, p->port_num, &attr);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "0x%08x\n", attr.port_cap_flags);
+}
+
+static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
+ char *buf)
+{
+ struct ib_port_attr attr;
+ char *speed = "";
+ int rate;
+ ssize_t ret;
+
+ ret = ib_query_port(p->ibdev, p->port_num, &attr);
+ if (ret)
+ return ret;
+
+ switch (attr.active_speed) {
+ case 2: speed = " DDR"; break;
+ case 4: speed = " QDR"; break;
+ }
+
+ rate = 25 * ib_width_enum_to_int(attr.active_width) * attr.active_speed;
+ if (rate < 0)
+ return -EINVAL;
+
+ return sprintf(buf, "%d%s Gb/sec (%dX%s)\n",
+ rate / 10, rate % 10 ? ".5" : "",
+ ib_width_enum_to_int(attr.active_width), speed);
+}
+
+static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused,
+ char *buf)
+{
+ struct ib_port_attr attr;
+
+ ssize_t ret;
+
+ ret = ib_query_port(p->ibdev, p->port_num, &attr);
+ if (ret)
+ return ret;
+
+ switch (attr.phys_state) {
+ case 1: return sprintf(buf, "1: Sleep\n");
+ case 2: return sprintf(buf, "2: Polling\n");
+ case 3: return sprintf(buf, "3: Disabled\n");
+ case 4: return sprintf(buf, "4: PortConfigurationTraining\n");
+ case 5: return sprintf(buf, "5: LinkUp\n");
+ case 6: return sprintf(buf, "6: LinkErrorRecovery\n");
+ case 7: return sprintf(buf, "7: Phy Test\n");
+ default: return sprintf(buf, "%d: <unknown>\n", attr.phys_state);
+ }
+}
+
+static PORT_ATTR_RO(state);
+static PORT_ATTR_RO(lid);
+static PORT_ATTR_RO(lid_mask_count);
+static PORT_ATTR_RO(sm_lid);
+static PORT_ATTR_RO(sm_sl);
+static PORT_ATTR_RO(cap_mask);
+static PORT_ATTR_RO(rate);
+static PORT_ATTR_RO(phys_state);
+
+static struct attribute *port_default_attrs[] = {
+ &port_attr_state.attr,
+ &port_attr_lid.attr,
+ &port_attr_lid_mask_count.attr,
+ &port_attr_sm_lid.attr,
+ &port_attr_sm_sl.attr,
+ &port_attr_cap_mask.attr,
+ &port_attr_rate.attr,
+ &port_attr_phys_state.attr,
+ NULL
+};
+
+static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr,
+ char *buf)
+{
+ struct port_table_attribute *tab_attr =
+ container_of(attr, struct port_table_attribute, attr);
+ union ib_gid gid;
+ ssize_t ret;
+
+ ret = ib_query_gid(p->ibdev, p->port_num, tab_attr->index, &gid);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%04x:%04x:%04x:%04x:%04x:%04x:%04x:%04x\n",
+ be16_to_cpu(((u16 *) gid.raw)[0]),
+ be16_to_cpu(((u16 *) gid.raw)[1]),
+ be16_to_cpu(((u16 *) gid.raw)[2]),
+ be16_to_cpu(((u16 *) gid.raw)[3]),
+ be16_to_cpu(((u16 *) gid.raw)[4]),
+ be16_to_cpu(((u16 *) gid.raw)[5]),
+ be16_to_cpu(((u16 *) gid.raw)[6]),
+ be16_to_cpu(((u16 *) gid.raw)[7]));
+}
+
+static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr,
+ char *buf)
+{
+ struct port_table_attribute *tab_attr =
+ container_of(attr, struct port_table_attribute, attr);
+ u16 pkey;
+ ssize_t ret;
+
+ ret = ib_query_pkey(p->ibdev, p->port_num, tab_attr->index, &pkey);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "0x%04x\n", pkey);
+}
+
+#define PORT_PMA_ATTR(_name, _counter, _width, _offset) \
+struct port_table_attribute port_pma_attr_##_name = { \
+ .attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \
+ .index = (_offset) | ((_width) << 16) | ((_counter) << 24) \
+}
+
+static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr,
+ char *buf)
+{
+ struct port_table_attribute *tab_attr =
+ container_of(attr, struct port_table_attribute, attr);
+ int offset = tab_attr->index & 0xffff;
+ int width = (tab_attr->index >> 16) & 0xff;
+ struct ib_mad *in_mad = NULL;
+ struct ib_mad *out_mad = NULL;
+ ssize_t ret;
+
+ if (!p->ibdev->process_mad)
+ return sprintf(buf, "N/A (no PMA)\n");
+
+ in_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
+ out_mad = kmalloc(sizeof *in_mad, GFP_KERNEL);
+ if (!in_mad || !out_mad) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ memset(in_mad, 0, sizeof *in_mad);
+ in_mad->mad_hdr.base_version = 1;
+ in_mad->mad_hdr.mgmt_class = IB_MGMT_CLASS_PERF_MGMT;
+ in_mad->mad_hdr.class_version = 1;
+ in_mad->mad_hdr.method = IB_MGMT_METHOD_GET;
+ in_mad->mad_hdr.attr_id = cpu_to_be16(0x12); /* PortCounters */
+
+ in_mad->data[41] = p->port_num; /* PortSelect field */
+
+ if ((p->ibdev->process_mad(p->ibdev, IB_MAD_IGNORE_MKEY,
+ p->port_num, NULL, NULL, in_mad, out_mad) &
+ (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) !=
+ (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) {
+ ret = -EINVAL;
+ goto out;
+ }
+
+ switch (width) {
+ case 4:
+ ret = sprintf(buf, "%u\n", (out_mad->data[40 + offset / 8] >>
+ (offset % 4)) & 0xf);
+ break;
+ case 8:
+ ret = sprintf(buf, "%u\n", out_mad->data[40 + offset / 8]);
+ break;
+ case 16:
+ ret = sprintf(buf, "%u\n",
+ be16_to_cpup((u16 *)(out_mad->data + 40 + offset / 8)));
+ break;
+ case 32:
+ ret = sprintf(buf, "%u\n",
+ be32_to_cpup((u32 *)(out_mad->data + 40 + offset / 8)));
+ break;
+ default:
+ ret = 0;
+ }
+
+out:
+ kfree(in_mad);
+ kfree(out_mad);
+
+ return ret;
+}
+
+static PORT_PMA_ATTR(symbol_error , 0, 16, 32);
+static PORT_PMA_ATTR(link_error_recovery , 1, 8, 48);
+static PORT_PMA_ATTR(link_downed , 2, 8, 56);
+static PORT_PMA_ATTR(port_rcv_errors , 3, 16, 64);
+static PORT_PMA_ATTR(port_rcv_remote_physical_errors, 4, 16, 80);
+static PORT_PMA_ATTR(port_rcv_switch_relay_errors , 5, 16, 96);
+static PORT_PMA_ATTR(port_xmit_discards , 6, 16, 112);
+static PORT_PMA_ATTR(port_xmit_constraint_errors , 7, 8, 128);
+static PORT_PMA_ATTR(port_rcv_constraint_errors , 8, 8, 136);
+static PORT_PMA_ATTR(local_link_integrity_errors , 9, 4, 152);
+static PORT_PMA_ATTR(excessive_buffer_overrun_errors, 10, 4, 156);
+static PORT_PMA_ATTR(VL15_dropped , 11, 16, 176);
+static PORT_PMA_ATTR(port_xmit_data , 12, 32, 192);
+static PORT_PMA_ATTR(port_rcv_data , 13, 32, 224);
+static PORT_PMA_ATTR(port_xmit_packets , 14, 32, 256);
+static PORT_PMA_ATTR(port_rcv_packets , 15, 32, 288);
+
+static struct attribute *pma_attrs[] = {
+ &port_pma_attr_symbol_error.attr.attr,
+ &port_pma_attr_link_error_recovery.attr.attr,
+ &port_pma_attr_link_downed.attr.attr,
+ &port_pma_attr_port_rcv_errors.attr.attr,
+ &port_pma_attr_port_rcv_remote_physical_errors.attr.attr,
+ &port_pma_attr_port_rcv_switch_relay_errors.attr.attr,
+ &port_pma_attr_port_xmit_discards.attr.attr,
+ &port_pma_attr_port_xmit_constraint_errors.attr.attr,
+ &port_pma_attr_port_rcv_constraint_errors.attr.attr,
+ &port_pma_attr_local_link_integrity_errors.attr.attr,
+ &port_pma_attr_excessive_buffer_overrun_errors.attr.attr,
+ &port_pma_attr_VL15_dropped.attr.attr,
+ &port_pma_attr_port_xmit_data.attr.attr,
+ &port_pma_attr_port_rcv_data.attr.attr,
+ &port_pma_attr_port_xmit_packets.attr.attr,
+ &port_pma_attr_port_rcv_packets.attr.attr,
+ NULL
+};
+
+static struct attribute_group pma_group = {
+ .name = "counters",
+ .attrs = pma_attrs
+};
+
+static void ib_port_release(struct kobject *kobj)
+{
+ struct ib_port *p = container_of(kobj, struct ib_port, kobj);
+ struct attribute *a;
+ int i;
+
+ for (i = 0; (a = p->gid_attr[i]); ++i) {
+ kfree(a->name);
+ kfree(a);
+ }
+
+ for (i = 0; (a = p->pkey_attr[i]); ++i) {
+ kfree(a->name);
+ kfree(a);
+ }
+
+ kfree(p->gid_attr);
+ kfree(p);
+}
+
+static struct kobj_type port_type = {
+ .release = ib_port_release,
+ .sysfs_ops = &port_sysfs_ops,
+ .default_attrs = port_default_attrs
+};
+
+static void ib_device_release(struct class_device *cdev)
+{
+ struct ib_device *dev = container_of(cdev, struct ib_device, class_dev);
+
+ kfree(dev);
+}
+
+static int ib_device_hotplug(struct class_device *cdev, char **envp,
+ int num_envp, char *buf, int size)
+{
+ struct ib_device *dev = container_of(cdev, struct ib_device, class_dev);
+ int i = 0, len = 0;
+
+ if (add_hotplug_env_var(envp, num_envp, &i, buf, size, &len,
+ "NAME=%s", dev->name))
+ return -ENOMEM;
+
+ /*
+ * It might be nice to pass the node GUID to hotplug, but
+ * right now the only way to get it is to query the device
+ * provider, and this can crash during device removal because
+ * we are will be running after driver removal has started.
+ * We could add a node_guid field to struct ib_device, or we
+ * could just let the hotplug script read the node GUID from
+ * sysfs when devices are added.
+ */
+
+ envp[i] = NULL;
+ return 0;
+}
+
+static int alloc_group(struct attribute ***attr,
+ ssize_t (*show)(struct ib_port *,
+ struct port_attribute *, char *buf),
+ int len)
+{
+ struct port_table_attribute ***tab_attr =
+ (struct port_table_attribute ***) attr;
+ int i;
+ int ret;
+
+ *tab_attr = kmalloc((1 + len) * sizeof *tab_attr, GFP_KERNEL);
+ if (!*tab_attr)
+ return -ENOMEM;
+
+ memset(*tab_attr, 0, (1 + len) * sizeof *tab_attr);
+
+ for (i = 0; i < len; ++i) {
+ (*tab_attr)[i] = kmalloc(sizeof *(*tab_attr)[i], GFP_KERNEL);
+ if (!(*tab_attr)[i]) {
+ ret = -ENOMEM;
+ goto err;
+ }
+ memset((*tab_attr)[i], 0, sizeof *(*tab_attr)[i]);
+ (*tab_attr)[i]->attr.attr.name = kmalloc(8, GFP_KERNEL);
+ if (!(*tab_attr)[i]->attr.attr.name) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ if (snprintf((*tab_attr)[i]->attr.attr.name, 8, "%d", i) >= 8) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ (*tab_attr)[i]->attr.attr.mode = S_IRUGO;
+ (*tab_attr)[i]->attr.attr.owner = THIS_MODULE;
+ (*tab_attr)[i]->attr.show = show;
+ (*tab_attr)[i]->index = i;
+ }
+
+ return 0;
+
+err:
+ for (i = 0; i < len; ++i) {
+ if ((*tab_attr)[i])
+ kfree((*tab_attr)[i]->attr.attr.name);
+ kfree((*tab_attr)[i]);
+ }
+
+ kfree(*tab_attr);
+
+ return ret;
+}
+
+static int add_port(struct ib_device *device, int port_num)
+{
+ struct ib_port *p;
+ struct ib_port_attr attr;
+ int i;
+ int ret;
+
+ ret = ib_query_port(device, port_num, &attr);
+ if (ret)
+ return ret;
+
+ p = kmalloc(sizeof *p, GFP_KERNEL);
+ if (!p)
+ return -ENOMEM;
+ memset(p, 0, sizeof *p);
+
+ p->ibdev = device;
+ p->port_num = port_num;
+ p->kobj.ktype = &port_type;
+
+ p->kobj.parent = kobject_get(&device->ports_parent);
+ if (!p->kobj.parent) {
+ ret = -EBUSY;
+ goto err;
+ }
+
+ ret = kobject_set_name(&p->kobj, "%d", port_num);
+ if (ret)
+ goto err_put;
+
+ ret = kobject_register(&p->kobj);
+ if (ret)
+ goto err_put;
+
+ ret = sysfs_create_group(&p->kobj, &pma_group);
+ if (ret)
+ goto err_put;
+
+ ret = alloc_group(&p->gid_attr, show_port_gid, attr.gid_tbl_len);
+ if (ret)
+ goto err_remove_pma;
+
+ p->gid_group.name = "gids";
+ p->gid_group.attrs = p->gid_attr;
+
+ ret = sysfs_create_group(&p->kobj, &p->gid_group);
+ if (ret)
+ goto err_free_gid;
+
+ ret = alloc_group(&p->pkey_attr, show_port_pkey, attr.pkey_tbl_len);
+ if (ret)
+ goto err_remove_gid;
+
+ p->pkey_group.name = "pkeys";
+ p->pkey_group.attrs = p->pkey_attr;
+
+ ret = sysfs_create_group(&p->kobj, &p->pkey_group);
+ if (ret)
+ goto err_free_pkey;
+
+ list_add_tail(&p->kobj.entry, &device->port_list);
+
+ return 0;
+
+err_free_pkey:
+ for (i = 0; i < attr.pkey_tbl_len; ++i) {
+ kfree(p->pkey_attr[i]->name);
+ kfree(p->pkey_attr[i]);
+ }
+
+ kfree(p->pkey_attr);
+
+err_remove_gid:
+ sysfs_remove_group(&p->kobj, &p->gid_group);
+
+err_free_gid:
+ for (i = 0; i < attr.gid_tbl_len; ++i) {
+ kfree(p->gid_attr[i]->name);
+ kfree(p->gid_attr[i]);
+ }
+
+ kfree(p->gid_attr);
+
+err_remove_pma:
+ sysfs_remove_group(&p->kobj, &pma_group);
+
+err_put:
+ kobject_put(&device->ports_parent);
+
+err:
+ kfree(p);
+ return ret;
+}
+
+static ssize_t show_node_type(struct class_device *cdev, char *buf)
+{
+ struct ib_device *dev = container_of(cdev, struct ib_device, class_dev);
+
+ switch (dev->node_type) {
+ case IB_NODE_CA: return sprintf(buf, "%d: CA\n", dev->node_type);
+ case IB_NODE_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type);
+ case IB_NODE_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type);
+ default: return sprintf(buf, "%d: <unknown>\n", dev->node_type);
+ }
+}
+
+static ssize_t show_sys_image_guid(struct class_device *cdev, char *buf)
+{
+ struct ib_device *dev = container_of(cdev, struct ib_device, class_dev);
+ struct ib_device_attr attr;
+ ssize_t ret;
+
+ ret = ib_query_device(dev, &attr);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%04x:%04x:%04x:%04x\n",
+ be16_to_cpu(((u16 *) &attr.sys_image_guid)[0]),
+ be16_to_cpu(((u16 *) &attr.sys_image_guid)[1]),
+ be16_to_cpu(((u16 *) &attr.sys_image_guid)[2]),
+ be16_to_cpu(((u16 *) &attr.sys_image_guid)[3]));
+}
+
+static ssize_t show_node_guid(struct class_device *cdev, char *buf)
+{
+ struct ib_device *dev = container_of(cdev, struct ib_device, class_dev);
+ struct ib_device_attr attr;
+ ssize_t ret;
+
+ ret = ib_query_device(dev, &attr);
+ if (ret)
+ return ret;
+
+ return sprintf(buf, "%04x:%04x:%04x:%04x\n",
+ be16_to_cpu(((u16 *) &attr.node_guid)[0]),
+ be16_to_cpu(((u16 *) &attr.node_guid)[1]),
+ be16_to_cpu(((u16 *) &attr.node_guid)[2]),
+ be16_to_cpu(((u16 *) &attr.node_guid)[3]));
+}
+
+static CLASS_DEVICE_ATTR(node_type, S_IRUGO, show_node_type, NULL);
+static CLASS_DEVICE_ATTR(sys_image_guid, S_IRUGO, show_sys_image_guid, NULL);
+static CLASS_DEVICE_ATTR(node_guid, S_IRUGO, show_node_guid, NULL);
+
+static struct class_device_attribute *ib_class_attributes[] = {
+ &class_device_attr_node_type,
+ &class_device_attr_sys_image_guid,
+ &class_device_attr_node_guid
+};
+
+static struct class ib_class = {
+ .name = "infiniband",
+ .release = ib_device_release,
+ .hotplug = ib_device_hotplug,
+};
+
+int ib_device_register_sysfs(struct ib_device *device)
+{
+ struct class_device *class_dev = &device->class_dev;
+ int ret;
+ int i;
+
+ class_dev->class = &ib_class;
+ class_dev->class_data = device;
+ strlcpy(class_dev->class_id, device->name, BUS_ID_SIZE);
+
+ INIT_LIST_HEAD(&device->port_list);
+
+ ret = class_device_register(class_dev);
+ if (ret)
+ goto err;
+
+ for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i) {
+ ret = class_device_create_file(class_dev, ib_class_attributes[i]);
+ if (ret)
+ goto err_unregister;
+ }
+
+ device->ports_parent.parent = kobject_get(&class_dev->kobj);
+ if (!device->ports_parent.parent) {
+ ret = -EBUSY;
+ goto err_unregister;
+ }
+ ret = kobject_set_name(&device->ports_parent, "ports");
+ if (ret)
+ goto err_put;
+ ret = kobject_register(&device->ports_parent);
+ if (ret)
+ goto err_put;
+
+ if (device->node_type == IB_NODE_SWITCH) {
+ ret = add_port(device, 0);
+ if (ret)
+ goto err_put;
+ } else {
+ int i;
+
+ for (i = 1; i <= device->phys_port_cnt; ++i) {
+ ret = add_port(device, i);
+ if (ret)
+ goto err_put;
+ }
+ }
+
+ return 0;
+
+err_put:
+ {
+ struct kobject *p, *t;
+ struct ib_port *port;
+
+ list_for_each_entry_safe(p, t, &device->port_list, entry) {
+ list_del(&p->entry);
+ port = container_of(p, struct ib_port, kobj);
+ sysfs_remove_group(p, &pma_group);
+ sysfs_remove_group(p, &port->pkey_group);
+ sysfs_remove_group(p, &port->gid_group);
+ kobject_unregister(p);
+ }
+ }
+
+ kobject_put(&class_dev->kobj);
+
+err_unregister:
+ class_device_unregister(class_dev);
+
+err:
+ return ret;
+}
+
+void ib_device_unregister_sysfs(struct ib_device *device)
+{
+ struct kobject *p, *t;
+ struct ib_port *port;
+
+ list_for_each_entry_safe(p, t, &device->port_list, entry) {
+ list_del(&p->entry);
+ port = container_of(p, struct ib_port, kobj);
+ sysfs_remove_group(p, &pma_group);
+ sysfs_remove_group(p, &port->pkey_group);
+ sysfs_remove_group(p, &port->gid_group);
+ kobject_unregister(p);
+ }
+
+ kobject_unregister(&device->ports_parent);
+ class_device_unregister(&device->class_dev);
+}
+
+int ib_sysfs_setup(void)
+{
+ return class_register(&ib_class);
+}
+
+void ib_sysfs_cleanup(void)
+{
+ class_unregister(&ib_class);
+}
git://git.onelab.eu / linux-2.6.git / blobdiff