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path: root/drivers/infiniband/core/sysfs.c
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Diffstat (limited to 'drivers/infiniband/core/sysfs.c')
-rw-r--r--drivers/infiniband/core/sysfs.c128
1 files changed, 81 insertions, 47 deletions
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c
index 9ab5df72df7..cbd0383f622 100644
--- a/drivers/infiniband/core/sysfs.c
+++ b/drivers/infiniband/core/sysfs.c
@@ -35,6 +35,7 @@
#include "core_priv.h"
#include <linux/slab.h>
+#include <linux/stat.h>
#include <linux/string.h>
#include <rdma/ib_mad.h>
@@ -178,7 +179,7 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
{
struct ib_port_attr attr;
char *speed = "";
- int rate;
+ int rate; /* in deci-Gb/sec */
ssize_t ret;
ret = ib_query_port(p->ibdev, p->port_num, &attr);
@@ -186,11 +187,33 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused,
return ret;
switch (attr.active_speed) {
- case 2: speed = " DDR"; break;
- case 4: speed = " QDR"; break;
+ case IB_SPEED_DDR:
+ speed = " DDR";
+ rate = 50;
+ break;
+ case IB_SPEED_QDR:
+ speed = " QDR";
+ rate = 100;
+ break;
+ case IB_SPEED_FDR10:
+ speed = " FDR10";
+ rate = 100;
+ break;
+ case IB_SPEED_FDR:
+ speed = " FDR";
+ rate = 140;
+ break;
+ case IB_SPEED_EDR:
+ speed = " EDR";
+ rate = 250;
+ break;
+ case IB_SPEED_SDR:
+ default: /* default to SDR for invalid rates */
+ rate = 25;
+ break;
}
- rate = 25 * ib_width_enum_to_int(attr.active_width) * attr.active_speed;
+ rate *= ib_width_enum_to_int(attr.active_width);
if (rate < 0)
return -EINVAL;
@@ -406,15 +429,19 @@ static void ib_port_release(struct kobject *kobj)
struct attribute *a;
int i;
- for (i = 0; (a = p->gid_group.attrs[i]); ++i)
- kfree(a);
+ if (p->gid_group.attrs) {
+ for (i = 0; (a = p->gid_group.attrs[i]); ++i)
+ kfree(a);
- kfree(p->gid_group.attrs);
+ kfree(p->gid_group.attrs);
+ }
- for (i = 0; (a = p->pkey_group.attrs[i]); ++i)
- kfree(a);
+ if (p->pkey_group.attrs) {
+ for (i = 0; (a = p->pkey_group.attrs[i]); ++i)
+ kfree(a);
- kfree(p->pkey_group.attrs);
+ kfree(p->pkey_group.attrs);
+ }
kfree(p);
}
@@ -511,10 +538,12 @@ static int add_port(struct ib_device *device, int port_num,
p->port_num = port_num;
ret = kobject_init_and_add(&p->kobj, &port_type,
- kobject_get(device->ports_parent),
+ device->ports_parent,
"%d", port_num);
- if (ret)
- goto err_put;
+ if (ret) {
+ kfree(p);
+ return ret;
+ }
ret = sysfs_create_group(&p->kobj, &pma_group);
if (ret)
@@ -522,8 +551,10 @@ static int add_port(struct ib_device *device, int port_num,
p->gid_group.name = "gids";
p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len);
- if (!p->gid_group.attrs)
+ if (!p->gid_group.attrs) {
+ ret = -ENOMEM;
goto err_remove_pma;
+ }
ret = sysfs_create_group(&p->kobj, &p->gid_group);
if (ret)
@@ -532,8 +563,10 @@ static int add_port(struct ib_device *device, int port_num,
p->pkey_group.name = "pkeys";
p->pkey_group.attrs = alloc_group_attrs(show_port_pkey,
attr.pkey_tbl_len);
- if (!p->pkey_group.attrs)
+ if (!p->pkey_group.attrs) {
+ ret = -ENOMEM;
goto err_remove_gid;
+ }
ret = sysfs_create_group(&p->kobj, &p->pkey_group);
if (ret)
@@ -558,6 +591,7 @@ err_free_pkey:
kfree(p->pkey_group.attrs[i]);
kfree(p->pkey_group.attrs);
+ p->pkey_group.attrs = NULL;
err_remove_gid:
sysfs_remove_group(&p->kobj, &p->gid_group);
@@ -567,13 +601,13 @@ err_free_gid:
kfree(p->gid_group.attrs[i]);
kfree(p->gid_group.attrs);
+ p->gid_group.attrs = NULL;
err_remove_pma:
sysfs_remove_group(&p->kobj, &pma_group);
err_put:
- kobject_put(device->ports_parent);
- kfree(p);
+ kobject_put(&p->kobj);
return ret;
}
@@ -585,6 +619,8 @@ static ssize_t show_node_type(struct device *device,
switch (dev->node_type) {
case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type);
case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type);
+ case RDMA_NODE_USNIC: return sprintf(buf, "%d: usNIC\n", dev->node_type);
+ case RDMA_NODE_USNIC_UDP: return sprintf(buf, "%d: usNIC UDP\n", dev->node_type);
case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type);
case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type);
default: return sprintf(buf, "%d: <unknown>\n", dev->node_type);
@@ -780,6 +816,22 @@ static struct attribute_group iw_stats_group = {
.attrs = iw_proto_stats_attrs,
};
+static void free_port_list_attributes(struct ib_device *device)
+{
+ struct kobject *p, *t;
+
+ list_for_each_entry_safe(p, t, &device->port_list, entry) {
+ struct ib_port *port = container_of(p, struct ib_port, kobj);
+ list_del(&p->entry);
+ sysfs_remove_group(p, &pma_group);
+ sysfs_remove_group(p, &port->pkey_group);
+ sysfs_remove_group(p, &port->gid_group);
+ kobject_put(p);
+ }
+
+ kobject_put(device->ports_parent);
+}
+
int ib_device_register_sysfs(struct ib_device *device,
int (*port_callback)(struct ib_device *,
u8, struct kobject *))
@@ -790,7 +842,7 @@ int ib_device_register_sysfs(struct ib_device *device,
class_dev->class = &ib_class;
class_dev->parent = device->dma_device;
- dev_set_name(class_dev, device->name);
+ dev_set_name(class_dev, "%s", device->name);
dev_set_drvdata(class_dev, device);
INIT_LIST_HEAD(&device->port_list);
@@ -806,7 +858,7 @@ int ib_device_register_sysfs(struct ib_device *device,
}
device->ports_parent = kobject_create_and_add("ports",
- kobject_get(&class_dev->kobj));
+ &class_dev->kobj);
if (!device->ports_parent) {
ret = -ENOMEM;
goto err_put;
@@ -833,21 +885,7 @@ int ib_device_register_sysfs(struct ib_device *device,
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_put(p);
- }
- }
-
- kobject_put(&class_dev->kobj);
+ free_port_list_attributes(device);
err_unregister:
device_unregister(class_dev);
@@ -858,22 +896,18 @@ err:
void ib_device_unregister_sysfs(struct ib_device *device)
{
- struct kobject *p, *t;
- struct ib_port *port;
-
/* Hold kobject until ib_dealloc_device() */
- kobject_get(&device->dev.kobj);
+ struct kobject *kobj_dev = kobject_get(&device->dev.kobj);
+ int i;
- 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_put(p);
- }
+ if (device->node_type == RDMA_NODE_RNIC && device->get_protocol_stats)
+ sysfs_remove_group(kobj_dev, &iw_stats_group);
+
+ free_port_list_attributes(device);
+
+ for (i = 0; i < ARRAY_SIZE(ib_class_attributes); ++i)
+ device_remove_file(&device->dev, ib_class_attributes[i]);
- kobject_put(device->ports_parent);
device_unregister(&device->dev);
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 01:20:46 +0000