mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-05 21:06:39 +07:00
70f2817a43
sysfs: fix the rest of the kernel so if an attribute doesn't implement show or store method read/write will return -EIO instead of 0 or -EINVAL or -EPERM. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
741 lines
19 KiB
C
741 lines
19 KiB
C
/*
|
|
* 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_group pkey_group;
|
|
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;
|
|
char name[8];
|
|
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 -EIO;
|
|
|
|
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_group.attrs[i]); ++i)
|
|
kfree(a);
|
|
|
|
kfree(p->gid_group.attrs);
|
|
|
|
for (i = 0; (a = p->pkey_group.attrs[i]); ++i)
|
|
kfree(a);
|
|
|
|
kfree(p->pkey_group.attrs);
|
|
|
|
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 struct attribute **
|
|
alloc_group_attrs(ssize_t (*show)(struct ib_port *,
|
|
struct port_attribute *, char *buf),
|
|
int len)
|
|
{
|
|
struct attribute **tab_attr;
|
|
struct port_table_attribute *element;
|
|
int i;
|
|
|
|
tab_attr = kcalloc(1 + len, sizeof(struct attribute *), GFP_KERNEL);
|
|
if (!tab_attr)
|
|
return NULL;
|
|
|
|
for (i = 0; i < len; i++) {
|
|
element = kcalloc(1, sizeof(struct port_table_attribute),
|
|
GFP_KERNEL);
|
|
if (!element)
|
|
goto err;
|
|
|
|
if (snprintf(element->name, sizeof(element->name),
|
|
"%d", i) >= sizeof(element->name))
|
|
goto err;
|
|
|
|
element->attr.attr.name = element->name;
|
|
element->attr.attr.mode = S_IRUGO;
|
|
element->attr.attr.owner = THIS_MODULE;
|
|
element->attr.show = show;
|
|
element->index = i;
|
|
|
|
tab_attr[i] = &element->attr.attr;
|
|
}
|
|
|
|
return tab_attr;
|
|
|
|
err:
|
|
while (--i >= 0)
|
|
kfree(tab_attr[i]);
|
|
kfree(tab_attr);
|
|
return NULL;
|
|
}
|
|
|
|
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;
|
|
|
|
p->gid_group.name = "gids";
|
|
p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len);
|
|
if (!p->gid_group.attrs)
|
|
goto err_remove_pma;
|
|
|
|
ret = sysfs_create_group(&p->kobj, &p->gid_group);
|
|
if (ret)
|
|
goto err_free_gid;
|
|
|
|
p->pkey_group.name = "pkeys";
|
|
p->pkey_group.attrs = alloc_group_attrs(show_port_pkey,
|
|
attr.pkey_tbl_len);
|
|
if (!p->pkey_group.attrs)
|
|
goto err_remove_gid;
|
|
|
|
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_group.attrs[i]);
|
|
|
|
kfree(p->pkey_group.attrs);
|
|
|
|
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_group.attrs[i]);
|
|
|
|
kfree(p->gid_group.attrs);
|
|
|
|
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);
|
|
}
|