mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-08-29 04:09:39 +00:00
Code Issues Releases Wiki Activity
linux-stable/drivers/infiniband/hw/hfi1/sysfs.c
Dennis Dalessandro f48ad614c1 IB/hfi1: Move driver out of staging 
The TODO list for the hfi1 driver was completed during 4.6. In addition
other objections raised (which are far beyond what was in the TODO list)
have been addressed as well. It is now time to remove the driver from
staging and into the drivers/infiniband sub-tree.

Reviewed-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
2016-05-26 11:35:14 -04:00

785 lines
20 KiB
C
Raw Blame History

/*
* Copyright(c) 2015, 2016 Intel Corporation.
*
* This file is provided under a dual BSD/GPLv2 license. When using or
* redistributing this file, you may do so under either license.
*
* GPL LICENSE SUMMARY
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of version 2 of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* BSD LICENSE
*
* 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.
* - Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <linux/ctype.h>
#include "hfi.h"
#include "mad.h"
#include "trace.h"
/*
* Start of per-port congestion control structures and support code
*/
/*
* Congestion control table size followed by table entries
*/
static ssize_t read_cc_table_bin(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t pos, size_t count)
{
int ret;
struct hfi1_pportdata *ppd =
container_of(kobj, struct hfi1_pportdata, pport_cc_kobj);
struct cc_state *cc_state;
ret = ppd->total_cct_entry * sizeof(struct ib_cc_table_entry_shadow)
+ sizeof(__be16);
if (pos > ret)
return -EINVAL;
if (count > ret - pos)
count = ret - pos;
if (!count)
return count;
rcu_read_lock();
cc_state = get_cc_state(ppd);
if (!cc_state) {
rcu_read_unlock();
return -EINVAL;
}
memcpy(buf, (void *)&cc_state->cct + pos, count);
rcu_read_unlock();
return count;
}
static void port_release(struct kobject *kobj)
{
/* nothing to do since memory is freed by hfi1_free_devdata() */
}
static struct bin_attribute cc_table_bin_attr = {
.attr = {.name = "cc_table_bin", .mode = 0444},
.read = read_cc_table_bin,
.size = PAGE_SIZE,
};
/*
* Congestion settings: port control, control map and an array of 16
* entries for the congestion entries - increase, timer, event log
* trigger threshold and the minimum injection rate delay.
*/
static ssize_t read_cc_setting_bin(struct file *filp, struct kobject *kobj,
struct bin_attribute *bin_attr,
char *buf, loff_t pos, size_t count)
{
int ret;
struct hfi1_pportdata *ppd =
container_of(kobj, struct hfi1_pportdata, pport_cc_kobj);
struct cc_state *cc_state;
ret = sizeof(struct opa_congestion_setting_attr_shadow);
if (pos > ret)
return -EINVAL;
if (count > ret - pos)
count = ret - pos;
if (!count)
return count;
rcu_read_lock();
cc_state = get_cc_state(ppd);
if (!cc_state) {
rcu_read_unlock();
return -EINVAL;
}
memcpy(buf, (void *)&cc_state->cong_setting + pos, count);
rcu_read_unlock();
return count;
}
static struct bin_attribute cc_setting_bin_attr = {
.attr = {.name = "cc_settings_bin", .mode = 0444},
.read = read_cc_setting_bin,
.size = PAGE_SIZE,
};
struct hfi1_port_attr {
struct attribute attr;
ssize_t (*show)(struct hfi1_pportdata *, char *);
ssize_t (*store)(struct hfi1_pportdata *, const char *, size_t);
};
static ssize_t cc_prescan_show(struct hfi1_pportdata *ppd, char *buf)
{
return sprintf(buf, "%s\n", ppd->cc_prescan ? "on" : "off");
}
static ssize_t cc_prescan_store(struct hfi1_pportdata *ppd, const char *buf,
size_t count)
{
if (!memcmp(buf, "on", 2))
ppd->cc_prescan = true;
else if (!memcmp(buf, "off", 3))
ppd->cc_prescan = false;
return count;
}
static struct hfi1_port_attr cc_prescan_attr =
__ATTR(cc_prescan, 0600, cc_prescan_show, cc_prescan_store);
static ssize_t cc_attr_show(struct kobject *kobj, struct attribute *attr,
char *buf)
{
struct hfi1_port_attr *port_attr =
container_of(attr, struct hfi1_port_attr, attr);
struct hfi1_pportdata *ppd =
container_of(kobj, struct hfi1_pportdata, pport_cc_kobj);
return port_attr->show(ppd, buf);
}
static ssize_t cc_attr_store(struct kobject *kobj, struct attribute *attr,
const char *buf, size_t count)
{
struct hfi1_port_attr *port_attr =
container_of(attr, struct hfi1_port_attr, attr);
struct hfi1_pportdata *ppd =
container_of(kobj, struct hfi1_pportdata, pport_cc_kobj);
return port_attr->store(ppd, buf, count);
}
static const struct sysfs_ops port_cc_sysfs_ops = {
.show = cc_attr_show,
.store = cc_attr_store
};
static struct attribute *port_cc_default_attributes[] = {
&cc_prescan_attr.attr
};
static struct kobj_type port_cc_ktype = {
.release = port_release,
.sysfs_ops = &port_cc_sysfs_ops,
.default_attrs = port_cc_default_attributes
};
/* Start sc2vl */
#define HFI1_SC2VL_ATTR(N) \
static struct hfi1_sc2vl_attr hfi1_sc2vl_attr_##N = { \
.attr = { .name = __stringify(N), .mode = 0444 }, \
.sc = N \
}
struct hfi1_sc2vl_attr {
struct attribute attr;
int sc;
};
HFI1_SC2VL_ATTR(0);
HFI1_SC2VL_ATTR(1);
HFI1_SC2VL_ATTR(2);
HFI1_SC2VL_ATTR(3);
HFI1_SC2VL_ATTR(4);
HFI1_SC2VL_ATTR(5);
HFI1_SC2VL_ATTR(6);
HFI1_SC2VL_ATTR(7);
HFI1_SC2VL_ATTR(8);
HFI1_SC2VL_ATTR(9);
HFI1_SC2VL_ATTR(10);
HFI1_SC2VL_ATTR(11);
HFI1_SC2VL_ATTR(12);
HFI1_SC2VL_ATTR(13);
HFI1_SC2VL_ATTR(14);
HFI1_SC2VL_ATTR(15);
HFI1_SC2VL_ATTR(16);
HFI1_SC2VL_ATTR(17);
HFI1_SC2VL_ATTR(18);
HFI1_SC2VL_ATTR(19);
HFI1_SC2VL_ATTR(20);
HFI1_SC2VL_ATTR(21);
HFI1_SC2VL_ATTR(22);
HFI1_SC2VL_ATTR(23);
HFI1_SC2VL_ATTR(24);
HFI1_SC2VL_ATTR(25);
HFI1_SC2VL_ATTR(26);
HFI1_SC2VL_ATTR(27);
HFI1_SC2VL_ATTR(28);
HFI1_SC2VL_ATTR(29);
HFI1_SC2VL_ATTR(30);
HFI1_SC2VL_ATTR(31);
static struct attribute *sc2vl_default_attributes[] = {
&hfi1_sc2vl_attr_0.attr,
&hfi1_sc2vl_attr_1.attr,
&hfi1_sc2vl_attr_2.attr,
&hfi1_sc2vl_attr_3.attr,
&hfi1_sc2vl_attr_4.attr,
&hfi1_sc2vl_attr_5.attr,
&hfi1_sc2vl_attr_6.attr,
&hfi1_sc2vl_attr_7.attr,
&hfi1_sc2vl_attr_8.attr,
&hfi1_sc2vl_attr_9.attr,
&hfi1_sc2vl_attr_10.attr,
&hfi1_sc2vl_attr_11.attr,
&hfi1_sc2vl_attr_12.attr,
&hfi1_sc2vl_attr_13.attr,
&hfi1_sc2vl_attr_14.attr,
&hfi1_sc2vl_attr_15.attr,
&hfi1_sc2vl_attr_16.attr,
&hfi1_sc2vl_attr_17.attr,
&hfi1_sc2vl_attr_18.attr,
&hfi1_sc2vl_attr_19.attr,
&hfi1_sc2vl_attr_20.attr,
&hfi1_sc2vl_attr_21.attr,
&hfi1_sc2vl_attr_22.attr,
&hfi1_sc2vl_attr_23.attr,
&hfi1_sc2vl_attr_24.attr,
&hfi1_sc2vl_attr_25.attr,
&hfi1_sc2vl_attr_26.attr,
&hfi1_sc2vl_attr_27.attr,
&hfi1_sc2vl_attr_28.attr,
&hfi1_sc2vl_attr_29.attr,
&hfi1_sc2vl_attr_30.attr,
&hfi1_sc2vl_attr_31.attr,
NULL
};
static ssize_t sc2vl_attr_show(struct kobject *kobj, struct attribute *attr,
char *buf)
{
struct hfi1_sc2vl_attr *sattr =
container_of(attr, struct hfi1_sc2vl_attr, attr);
struct hfi1_pportdata *ppd =
container_of(kobj, struct hfi1_pportdata, sc2vl_kobj);
struct hfi1_devdata *dd = ppd->dd;
return sprintf(buf, "%u\n", *((u8 *)dd->sc2vl + sattr->sc));
}
static const struct sysfs_ops hfi1_sc2vl_ops = {
.show = sc2vl_attr_show,
};
static struct kobj_type hfi1_sc2vl_ktype = {
.release = port_release,
.sysfs_ops = &hfi1_sc2vl_ops,
.default_attrs = sc2vl_default_attributes
};
/* End sc2vl */
/* Start sl2sc */
#define HFI1_SL2SC_ATTR(N) \
static struct hfi1_sl2sc_attr hfi1_sl2sc_attr_##N = { \
.attr = { .name = __stringify(N), .mode = 0444 }, \
.sl = N \
}
struct hfi1_sl2sc_attr {
struct attribute attr;
int sl;
};
HFI1_SL2SC_ATTR(0);
HFI1_SL2SC_ATTR(1);
HFI1_SL2SC_ATTR(2);
HFI1_SL2SC_ATTR(3);
HFI1_SL2SC_ATTR(4);
HFI1_SL2SC_ATTR(5);
HFI1_SL2SC_ATTR(6);
HFI1_SL2SC_ATTR(7);
HFI1_SL2SC_ATTR(8);
HFI1_SL2SC_ATTR(9);
HFI1_SL2SC_ATTR(10);
HFI1_SL2SC_ATTR(11);
HFI1_SL2SC_ATTR(12);
HFI1_SL2SC_ATTR(13);
HFI1_SL2SC_ATTR(14);
HFI1_SL2SC_ATTR(15);
HFI1_SL2SC_ATTR(16);
HFI1_SL2SC_ATTR(17);
HFI1_SL2SC_ATTR(18);
HFI1_SL2SC_ATTR(19);
HFI1_SL2SC_ATTR(20);
HFI1_SL2SC_ATTR(21);
HFI1_SL2SC_ATTR(22);
HFI1_SL2SC_ATTR(23);
HFI1_SL2SC_ATTR(24);
HFI1_SL2SC_ATTR(25);
HFI1_SL2SC_ATTR(26);
HFI1_SL2SC_ATTR(27);
HFI1_SL2SC_ATTR(28);
HFI1_SL2SC_ATTR(29);
HFI1_SL2SC_ATTR(30);
HFI1_SL2SC_ATTR(31);
static struct attribute *sl2sc_default_attributes[] = {
&hfi1_sl2sc_attr_0.attr,
&hfi1_sl2sc_attr_1.attr,
&hfi1_sl2sc_attr_2.attr,
&hfi1_sl2sc_attr_3.attr,
&hfi1_sl2sc_attr_4.attr,
&hfi1_sl2sc_attr_5.attr,
&hfi1_sl2sc_attr_6.attr,
&hfi1_sl2sc_attr_7.attr,
&hfi1_sl2sc_attr_8.attr,
&hfi1_sl2sc_attr_9.attr,
&hfi1_sl2sc_attr_10.attr,
&hfi1_sl2sc_attr_11.attr,
&hfi1_sl2sc_attr_12.attr,
&hfi1_sl2sc_attr_13.attr,
&hfi1_sl2sc_attr_14.attr,
&hfi1_sl2sc_attr_15.attr,
&hfi1_sl2sc_attr_16.attr,
&hfi1_sl2sc_attr_17.attr,
&hfi1_sl2sc_attr_18.attr,
&hfi1_sl2sc_attr_19.attr,
&hfi1_sl2sc_attr_20.attr,
&hfi1_sl2sc_attr_21.attr,
&hfi1_sl2sc_attr_22.attr,
&hfi1_sl2sc_attr_23.attr,
&hfi1_sl2sc_attr_24.attr,
&hfi1_sl2sc_attr_25.attr,
&hfi1_sl2sc_attr_26.attr,
&hfi1_sl2sc_attr_27.attr,
&hfi1_sl2sc_attr_28.attr,
&hfi1_sl2sc_attr_29.attr,
&hfi1_sl2sc_attr_30.attr,
&hfi1_sl2sc_attr_31.attr,
NULL
};
static ssize_t sl2sc_attr_show(struct kobject *kobj, struct attribute *attr,
char *buf)
{
struct hfi1_sl2sc_attr *sattr =
container_of(attr, struct hfi1_sl2sc_attr, attr);
struct hfi1_pportdata *ppd =
container_of(kobj, struct hfi1_pportdata, sl2sc_kobj);
struct hfi1_ibport *ibp = &ppd->ibport_data;
return sprintf(buf, "%u\n", ibp->sl_to_sc[sattr->sl]);
}
static const struct sysfs_ops hfi1_sl2sc_ops = {
.show = sl2sc_attr_show,
};
static struct kobj_type hfi1_sl2sc_ktype = {
.release = port_release,
.sysfs_ops = &hfi1_sl2sc_ops,
.default_attrs = sl2sc_default_attributes
};
/* End sl2sc */
/* Start vl2mtu */
#define HFI1_VL2MTU_ATTR(N) \
static struct hfi1_vl2mtu_attr hfi1_vl2mtu_attr_##N = { \
.attr = { .name = __stringify(N), .mode = 0444 }, \
.vl = N \
}
struct hfi1_vl2mtu_attr {
struct attribute attr;
int vl;
};
HFI1_VL2MTU_ATTR(0);
HFI1_VL2MTU_ATTR(1);
HFI1_VL2MTU_ATTR(2);
HFI1_VL2MTU_ATTR(3);
HFI1_VL2MTU_ATTR(4);
HFI1_VL2MTU_ATTR(5);
HFI1_VL2MTU_ATTR(6);
HFI1_VL2MTU_ATTR(7);
HFI1_VL2MTU_ATTR(8);
HFI1_VL2MTU_ATTR(9);
HFI1_VL2MTU_ATTR(10);
HFI1_VL2MTU_ATTR(11);
HFI1_VL2MTU_ATTR(12);
HFI1_VL2MTU_ATTR(13);
HFI1_VL2MTU_ATTR(14);
HFI1_VL2MTU_ATTR(15);
static struct attribute *vl2mtu_default_attributes[] = {
&hfi1_vl2mtu_attr_0.attr,
&hfi1_vl2mtu_attr_1.attr,
&hfi1_vl2mtu_attr_2.attr,
&hfi1_vl2mtu_attr_3.attr,
&hfi1_vl2mtu_attr_4.attr,
&hfi1_vl2mtu_attr_5.attr,
&hfi1_vl2mtu_attr_6.attr,
&hfi1_vl2mtu_attr_7.attr,
&hfi1_vl2mtu_attr_8.attr,
&hfi1_vl2mtu_attr_9.attr,
&hfi1_vl2mtu_attr_10.attr,
&hfi1_vl2mtu_attr_11.attr,
&hfi1_vl2mtu_attr_12.attr,
&hfi1_vl2mtu_attr_13.attr,
&hfi1_vl2mtu_attr_14.attr,
&hfi1_vl2mtu_attr_15.attr,
NULL
};
static ssize_t vl2mtu_attr_show(struct kobject *kobj, struct attribute *attr,
char *buf)
{
struct hfi1_vl2mtu_attr *vlattr =
container_of(attr, struct hfi1_vl2mtu_attr, attr);
struct hfi1_pportdata *ppd =
container_of(kobj, struct hfi1_pportdata, vl2mtu_kobj);
struct hfi1_devdata *dd = ppd->dd;
return sprintf(buf, "%u\n", dd->vld[vlattr->vl].mtu);
}
static const struct sysfs_ops hfi1_vl2mtu_ops = {
.show = vl2mtu_attr_show,
};
static struct kobj_type hfi1_vl2mtu_ktype = {
.release = port_release,
.sysfs_ops = &hfi1_vl2mtu_ops,
.default_attrs = vl2mtu_default_attributes
};
/* end of per-port file structures and support code */
/*
* Start of per-unit (or driver, in some cases, but replicated
* per unit) functions (these get a device *)
*/
static ssize_t show_rev(struct device *device, struct device_attribute *attr,
char *buf)
{
struct hfi1_ibdev *dev =
container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
return sprintf(buf, "%x\n", dd_from_dev(dev)->minrev);
}
static ssize_t show_hfi(struct device *device, struct device_attribute *attr,
char *buf)
{
struct hfi1_ibdev *dev =
container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
struct hfi1_devdata *dd = dd_from_dev(dev);
int ret;
if (!dd->boardname)
ret = -EINVAL;
else
ret = scnprintf(buf, PAGE_SIZE, "%s\n", dd->boardname);
return ret;
}
static ssize_t show_boardversion(struct device *device,
struct device_attribute *attr, char *buf)
{
struct hfi1_ibdev *dev =
container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
struct hfi1_devdata *dd = dd_from_dev(dev);
/* The string printed here is already newline-terminated. */
return scnprintf(buf, PAGE_SIZE, "%s", dd->boardversion);
}
static ssize_t show_nctxts(struct device *device,
struct device_attribute *attr, char *buf)
{
struct hfi1_ibdev *dev =
container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
struct hfi1_devdata *dd = dd_from_dev(dev);
/*
* Return the smaller of send and receive contexts.
* Normally, user level applications would require both a send
* and a receive context, so returning the smaller of the two counts
* give a more accurate picture of total contexts available.
*/
return scnprintf(buf, PAGE_SIZE, "%u\n",
min(dd->num_rcv_contexts - dd->first_user_ctxt,
(u32)dd->sc_sizes[SC_USER].count));
}
static ssize_t show_nfreectxts(struct device *device,
struct device_attribute *attr, char *buf)
{
struct hfi1_ibdev *dev =
container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
struct hfi1_devdata *dd = dd_from_dev(dev);
/* Return the number of free user ports (contexts) available. */
return scnprintf(buf, PAGE_SIZE, "%u\n", dd->freectxts);
}
static ssize_t show_serial(struct device *device,
struct device_attribute *attr, char *buf)
{
struct hfi1_ibdev *dev =
container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
struct hfi1_devdata *dd = dd_from_dev(dev);
return scnprintf(buf, PAGE_SIZE, "%s", dd->serial);
}
static ssize_t store_chip_reset(struct device *device,
struct device_attribute *attr, const char *buf,
size_t count)
{
struct hfi1_ibdev *dev =
container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
struct hfi1_devdata *dd = dd_from_dev(dev);
int ret;
if (count < 5 || memcmp(buf, "reset", 5) || !dd->diag_client) {
ret = -EINVAL;
goto bail;
}
ret = hfi1_reset_device(dd->unit);
bail:
return ret < 0 ? ret : count;
}
/*
* Convert the reported temperature from an integer (reported in
* units of 0.25C) to a floating point number.
*/
#define temp2str(temp, buf, size, idx) \
scnprintf((buf) + (idx), (size) - (idx), "%u.%02u ", \
((temp) >> 2), ((temp) & 0x3) * 25)
/*
* Dump tempsense values, in decimal, to ease shell-scripts.
*/
static ssize_t show_tempsense(struct device *device,
struct device_attribute *attr, char *buf)
{
struct hfi1_ibdev *dev =
container_of(device, struct hfi1_ibdev, rdi.ibdev.dev);
struct hfi1_devdata *dd = dd_from_dev(dev);
struct hfi1_temp temp;
int ret;
ret = hfi1_tempsense_rd(dd, &temp);
if (!ret) {
int idx = 0;
idx += temp2str(temp.curr, buf, PAGE_SIZE, idx);
idx += temp2str(temp.lo_lim, buf, PAGE_SIZE, idx);
idx += temp2str(temp.hi_lim, buf, PAGE_SIZE, idx);
idx += temp2str(temp.crit_lim, buf, PAGE_SIZE, idx);
idx += scnprintf(buf + idx, PAGE_SIZE - idx,
"%u %u %u\n", temp.triggers & 0x1,
temp.triggers & 0x2, temp.triggers & 0x4);
ret = idx;
}
return ret;
}
/*
* end of per-unit (or driver, in some cases, but replicated
* per unit) functions
*/
/* start of per-unit file structures and support code */
static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
static DEVICE_ATTR(board_id, S_IRUGO, show_hfi, NULL);
static DEVICE_ATTR(nctxts, S_IRUGO, show_nctxts, NULL);
static DEVICE_ATTR(nfreectxts, S_IRUGO, show_nfreectxts, NULL);
static DEVICE_ATTR(serial, S_IRUGO, show_serial, NULL);
static DEVICE_ATTR(boardversion, S_IRUGO, show_boardversion, NULL);
static DEVICE_ATTR(tempsense, S_IRUGO, show_tempsense, NULL);
static DEVICE_ATTR(chip_reset, S_IWUSR, NULL, store_chip_reset);
static struct device_attribute *hfi1_attributes[] = {
&dev_attr_hw_rev,
&dev_attr_board_id,
&dev_attr_nctxts,
&dev_attr_nfreectxts,
&dev_attr_serial,
&dev_attr_boardversion,
&dev_attr_tempsense,
&dev_attr_chip_reset,
};
int hfi1_create_port_files(struct ib_device *ibdev, u8 port_num,
struct kobject *kobj)
{
struct hfi1_pportdata *ppd;
struct hfi1_devdata *dd = dd_from_ibdev(ibdev);
int ret;
if (!port_num || port_num > dd->num_pports) {
dd_dev_err(dd,
"Skipping infiniband class with invalid port %u\n",
port_num);
return -ENODEV;
}
ppd = &dd->pport[port_num - 1];
ret = kobject_init_and_add(&ppd->sc2vl_kobj, &hfi1_sc2vl_ktype, kobj,
"sc2vl");
if (ret) {
dd_dev_err(dd,
"Skipping sc2vl sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail;
}
kobject_uevent(&ppd->sc2vl_kobj, KOBJ_ADD);
ret = kobject_init_and_add(&ppd->sl2sc_kobj, &hfi1_sl2sc_ktype, kobj,
"sl2sc");
if (ret) {
dd_dev_err(dd,
"Skipping sl2sc sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail_sc2vl;
}
kobject_uevent(&ppd->sl2sc_kobj, KOBJ_ADD);
ret = kobject_init_and_add(&ppd->vl2mtu_kobj, &hfi1_vl2mtu_ktype, kobj,
"vl2mtu");
if (ret) {
dd_dev_err(dd,
"Skipping vl2mtu sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail_sl2sc;
}
kobject_uevent(&ppd->vl2mtu_kobj, KOBJ_ADD);
ret = kobject_init_and_add(&ppd->pport_cc_kobj, &port_cc_ktype,
kobj, "CCMgtA");
if (ret) {
dd_dev_err(dd,
"Skipping Congestion Control sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail_vl2mtu;
}
kobject_uevent(&ppd->pport_cc_kobj, KOBJ_ADD);
ret = sysfs_create_bin_file(&ppd->pport_cc_kobj, &cc_setting_bin_attr);
if (ret) {
dd_dev_err(dd,
"Skipping Congestion Control setting sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail_cc;
}
ret = sysfs_create_bin_file(&ppd->pport_cc_kobj, &cc_table_bin_attr);
if (ret) {
dd_dev_err(dd,
"Skipping Congestion Control table sysfs info, (err %d) port %u\n",
ret, port_num);
goto bail_cc_entry_bin;
}
dd_dev_info(dd,
"Congestion Control Agent enabled for port %d\n",
port_num);
return 0;
bail_cc_entry_bin:
sysfs_remove_bin_file(&ppd->pport_cc_kobj,
&cc_setting_bin_attr);
bail_cc:
kobject_put(&ppd->pport_cc_kobj);
bail_vl2mtu:
kobject_put(&ppd->vl2mtu_kobj);
bail_sl2sc:
kobject_put(&ppd->sl2sc_kobj);
bail_sc2vl:
kobject_put(&ppd->sc2vl_kobj);
bail:
return ret;
}
/*
* Register and create our files in /sys/class/infiniband.
*/
int hfi1_verbs_register_sysfs(struct hfi1_devdata *dd)
{
struct ib_device *dev = &dd->verbs_dev.rdi.ibdev;
int i, ret;
for (i = 0; i < ARRAY_SIZE(hfi1_attributes); ++i) {
ret = device_create_file(&dev->dev, hfi1_attributes[i]);
if (ret)
goto bail;
}
return 0;
bail:
for (i = 0; i < ARRAY_SIZE(hfi1_attributes); ++i)
device_remove_file(&dev->dev, hfi1_attributes[i]);
return ret;
}
/*
* Unregister and remove our files in /sys/class/infiniband.
*/
void hfi1_verbs_unregister_sysfs(struct hfi1_devdata *dd)
{
struct hfi1_pportdata *ppd;
int i;
for (i = 0; i < dd->num_pports; i++) {
ppd = &dd->pport[i];
sysfs_remove_bin_file(&ppd->pport_cc_kobj,
&cc_setting_bin_attr);
sysfs_remove_bin_file(&ppd->pport_cc_kobj,
&cc_table_bin_attr);
kobject_put(&ppd->pport_cc_kobj);
kobject_put(&ppd->vl2mtu_kobj);
kobject_put(&ppd->sl2sc_kobj);
kobject_put(&ppd->sc2vl_kobj);
}
}
Reference in a new issue View git blame Copy permalink