mirror of
https://github.com/edk2-porting/linux-next.git
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b14db1f0aa
Add sysfs entry to allow user to override affinity for SDMA engine interrupts. Reviewed-by: Dean Luick <dean.luick@intel.com> Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Dennis Dalessandro <dennis.dalessandro@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
811 lines
21 KiB
C
811 lines
21 KiB
C
/*
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* Copyright(c) 2015, 2016 Intel Corporation.
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*
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* This file is provided under a dual BSD/GPLv2 license. When using or
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* redistributing this file, you may do so under either license.
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*
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* GPL LICENSE SUMMARY
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* BSD LICENSE
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* - Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* - Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <linux/ctype.h>
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#include "hfi.h"
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#include "mad.h"
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#include "trace.h"
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#include "affinity.h"
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/*
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* Start of per-port congestion control structures and support code
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*/
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/*
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* Congestion control table size followed by table entries
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*/
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static ssize_t read_cc_table_bin(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr,
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char *buf, loff_t pos, size_t count)
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{
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int ret;
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struct hfi1_pportdata *ppd =
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container_of(kobj, struct hfi1_pportdata, pport_cc_kobj);
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struct cc_state *cc_state;
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ret = ppd->total_cct_entry * sizeof(struct ib_cc_table_entry_shadow)
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+ sizeof(__be16);
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if (pos > ret)
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return -EINVAL;
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if (count > ret - pos)
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count = ret - pos;
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if (!count)
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return count;
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rcu_read_lock();
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cc_state = get_cc_state(ppd);
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if (!cc_state) {
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rcu_read_unlock();
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return -EINVAL;
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}
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memcpy(buf, (void *)&cc_state->cct + pos, count);
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rcu_read_unlock();
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return count;
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}
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static void port_release(struct kobject *kobj)
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{
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/* nothing to do since memory is freed by hfi1_free_devdata() */
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}
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static struct bin_attribute cc_table_bin_attr = {
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.attr = {.name = "cc_table_bin", .mode = 0444},
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.read = read_cc_table_bin,
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.size = PAGE_SIZE,
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};
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/*
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* Congestion settings: port control, control map and an array of 16
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* entries for the congestion entries - increase, timer, event log
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* trigger threshold and the minimum injection rate delay.
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*/
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static ssize_t read_cc_setting_bin(struct file *filp, struct kobject *kobj,
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struct bin_attribute *bin_attr,
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char *buf, loff_t pos, size_t count)
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{
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int ret;
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struct hfi1_pportdata *ppd =
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container_of(kobj, struct hfi1_pportdata, pport_cc_kobj);
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struct cc_state *cc_state;
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ret = sizeof(struct opa_congestion_setting_attr_shadow);
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if (pos > ret)
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return -EINVAL;
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if (count > ret - pos)
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count = ret - pos;
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if (!count)
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return count;
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rcu_read_lock();
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cc_state = get_cc_state(ppd);
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if (!cc_state) {
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rcu_read_unlock();
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return -EINVAL;
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}
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memcpy(buf, (void *)&cc_state->cong_setting + pos, count);
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rcu_read_unlock();
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return count;
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}
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static struct bin_attribute cc_setting_bin_attr = {
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.attr = {.name = "cc_settings_bin", .mode = 0444},
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.read = read_cc_setting_bin,
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.size = PAGE_SIZE,
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};
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struct hfi1_port_attr {
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struct attribute attr;
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ssize_t (*show)(struct hfi1_pportdata *, char *);
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ssize_t (*store)(struct hfi1_pportdata *, const char *, size_t);
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};
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static ssize_t cc_prescan_show(struct hfi1_pportdata *ppd, char *buf)
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{
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return sprintf(buf, "%s\n", ppd->cc_prescan ? "on" : "off");
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}
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static ssize_t cc_prescan_store(struct hfi1_pportdata *ppd, const char *buf,
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size_t count)
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{
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if (!memcmp(buf, "on", 2))
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ppd->cc_prescan = true;
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else if (!memcmp(buf, "off", 3))
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ppd->cc_prescan = false;
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return count;
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}
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static struct hfi1_port_attr cc_prescan_attr =
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__ATTR(cc_prescan, 0600, cc_prescan_show, cc_prescan_store);
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static ssize_t cc_attr_show(struct kobject *kobj, struct attribute *attr,
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char *buf)
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{
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struct hfi1_port_attr *port_attr =
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container_of(attr, struct hfi1_port_attr, attr);
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struct hfi1_pportdata *ppd =
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container_of(kobj, struct hfi1_pportdata, pport_cc_kobj);
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return port_attr->show(ppd, buf);
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}
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static ssize_t cc_attr_store(struct kobject *kobj, struct attribute *attr,
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const char *buf, size_t count)
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{
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struct hfi1_port_attr *port_attr =
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container_of(attr, struct hfi1_port_attr, attr);
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struct hfi1_pportdata *ppd =
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container_of(kobj, struct hfi1_pportdata, pport_cc_kobj);
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return port_attr->store(ppd, buf, count);
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}
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static const struct sysfs_ops port_cc_sysfs_ops = {
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.show = cc_attr_show,
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.store = cc_attr_store
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};
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static struct attribute *port_cc_default_attributes[] = {
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&cc_prescan_attr.attr
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};
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static struct kobj_type port_cc_ktype = {
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.release = port_release,
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.sysfs_ops = &port_cc_sysfs_ops,
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.default_attrs = port_cc_default_attributes
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};
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/* Start sc2vl */
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#define HFI1_SC2VL_ATTR(N) \
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static struct hfi1_sc2vl_attr hfi1_sc2vl_attr_##N = { \
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.attr = { .name = __stringify(N), .mode = 0444 }, \
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.sc = N \
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}
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struct hfi1_sc2vl_attr {
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struct attribute attr;
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int sc;
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};
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HFI1_SC2VL_ATTR(0);
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HFI1_SC2VL_ATTR(1);
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HFI1_SC2VL_ATTR(2);
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HFI1_SC2VL_ATTR(3);
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HFI1_SC2VL_ATTR(4);
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HFI1_SC2VL_ATTR(5);
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HFI1_SC2VL_ATTR(6);
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HFI1_SC2VL_ATTR(7);
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HFI1_SC2VL_ATTR(8);
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HFI1_SC2VL_ATTR(9);
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HFI1_SC2VL_ATTR(10);
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HFI1_SC2VL_ATTR(11);
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HFI1_SC2VL_ATTR(12);
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HFI1_SC2VL_ATTR(13);
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HFI1_SC2VL_ATTR(14);
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HFI1_SC2VL_ATTR(15);
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HFI1_SC2VL_ATTR(16);
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HFI1_SC2VL_ATTR(17);
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HFI1_SC2VL_ATTR(18);
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HFI1_SC2VL_ATTR(19);
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HFI1_SC2VL_ATTR(20);
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HFI1_SC2VL_ATTR(21);
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HFI1_SC2VL_ATTR(22);
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HFI1_SC2VL_ATTR(23);
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HFI1_SC2VL_ATTR(24);
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HFI1_SC2VL_ATTR(25);
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HFI1_SC2VL_ATTR(26);
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HFI1_SC2VL_ATTR(27);
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HFI1_SC2VL_ATTR(28);
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HFI1_SC2VL_ATTR(29);
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HFI1_SC2VL_ATTR(30);
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HFI1_SC2VL_ATTR(31);
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static struct attribute *sc2vl_default_attributes[] = {
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&hfi1_sc2vl_attr_0.attr,
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&hfi1_sc2vl_attr_1.attr,
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&hfi1_sc2vl_attr_2.attr,
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&hfi1_sc2vl_attr_3.attr,
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&hfi1_sc2vl_attr_4.attr,
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&hfi1_sc2vl_attr_5.attr,
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&hfi1_sc2vl_attr_6.attr,
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&hfi1_sc2vl_attr_7.attr,
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&hfi1_sc2vl_attr_8.attr,
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&hfi1_sc2vl_attr_9.attr,
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&hfi1_sc2vl_attr_10.attr,
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&hfi1_sc2vl_attr_11.attr,
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&hfi1_sc2vl_attr_12.attr,
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&hfi1_sc2vl_attr_13.attr,
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&hfi1_sc2vl_attr_14.attr,
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&hfi1_sc2vl_attr_15.attr,
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&hfi1_sc2vl_attr_16.attr,
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&hfi1_sc2vl_attr_17.attr,
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&hfi1_sc2vl_attr_18.attr,
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&hfi1_sc2vl_attr_19.attr,
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&hfi1_sc2vl_attr_20.attr,
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&hfi1_sc2vl_attr_21.attr,
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&hfi1_sc2vl_attr_22.attr,
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&hfi1_sc2vl_attr_23.attr,
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&hfi1_sc2vl_attr_24.attr,
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&hfi1_sc2vl_attr_25.attr,
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&hfi1_sc2vl_attr_26.attr,
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&hfi1_sc2vl_attr_27.attr,
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&hfi1_sc2vl_attr_28.attr,
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&hfi1_sc2vl_attr_29.attr,
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&hfi1_sc2vl_attr_30.attr,
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&hfi1_sc2vl_attr_31.attr,
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NULL
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};
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static ssize_t sc2vl_attr_show(struct kobject *kobj, struct attribute *attr,
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char *buf)
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{
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struct hfi1_sc2vl_attr *sattr =
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container_of(attr, struct hfi1_sc2vl_attr, attr);
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struct hfi1_pportdata *ppd =
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container_of(kobj, struct hfi1_pportdata, sc2vl_kobj);
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struct hfi1_devdata *dd = ppd->dd;
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return sprintf(buf, "%u\n", *((u8 *)dd->sc2vl + sattr->sc));
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}
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static const struct sysfs_ops hfi1_sc2vl_ops = {
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.show = sc2vl_attr_show,
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};
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static struct kobj_type hfi1_sc2vl_ktype = {
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.release = port_release,
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.sysfs_ops = &hfi1_sc2vl_ops,
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.default_attrs = sc2vl_default_attributes
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};
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/* End sc2vl */
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/* Start sl2sc */
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#define HFI1_SL2SC_ATTR(N) \
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static struct hfi1_sl2sc_attr hfi1_sl2sc_attr_##N = { \
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.attr = { .name = __stringify(N), .mode = 0444 }, \
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.sl = N \
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}
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struct hfi1_sl2sc_attr {
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struct attribute attr;
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int sl;
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};
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HFI1_SL2SC_ATTR(0);
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HFI1_SL2SC_ATTR(1);
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HFI1_SL2SC_ATTR(2);
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HFI1_SL2SC_ATTR(3);
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HFI1_SL2SC_ATTR(4);
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HFI1_SL2SC_ATTR(5);
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HFI1_SL2SC_ATTR(6);
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HFI1_SL2SC_ATTR(7);
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HFI1_SL2SC_ATTR(8);
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HFI1_SL2SC_ATTR(9);
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HFI1_SL2SC_ATTR(10);
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HFI1_SL2SC_ATTR(11);
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HFI1_SL2SC_ATTR(12);
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HFI1_SL2SC_ATTR(13);
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HFI1_SL2SC_ATTR(14);
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HFI1_SL2SC_ATTR(15);
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HFI1_SL2SC_ATTR(16);
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HFI1_SL2SC_ATTR(17);
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HFI1_SL2SC_ATTR(18);
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HFI1_SL2SC_ATTR(19);
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HFI1_SL2SC_ATTR(20);
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HFI1_SL2SC_ATTR(21);
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HFI1_SL2SC_ATTR(22);
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HFI1_SL2SC_ATTR(23);
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HFI1_SL2SC_ATTR(24);
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HFI1_SL2SC_ATTR(25);
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HFI1_SL2SC_ATTR(26);
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HFI1_SL2SC_ATTR(27);
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HFI1_SL2SC_ATTR(28);
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HFI1_SL2SC_ATTR(29);
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HFI1_SL2SC_ATTR(30);
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HFI1_SL2SC_ATTR(31);
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|
|
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static struct attribute *sl2sc_default_attributes[] = {
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&hfi1_sl2sc_attr_0.attr,
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&hfi1_sl2sc_attr_1.attr,
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&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]);
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|
}
|
|
|
|
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
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|
};
|
|
|
|
/* 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;
|
|
}
|
|
|
|
static ssize_t show_sdma_affinity(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 hfi1_get_sdma_affinity(dd, buf);
|
|
}
|
|
|
|
static ssize_t store_sdma_affinity(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);
|
|
|
|
return hfi1_set_sdma_affinity(dd, buf, count);
|
|
}
|
|
|
|
/*
|
|
* 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 DEVICE_ATTR(sdma_affinity, S_IWUSR | S_IRUGO, show_sdma_affinity,
|
|
store_sdma_affinity);
|
|
|
|
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,
|
|
&dev_attr_sdma_affinity,
|
|
};
|
|
|
|
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);
|
|
}
|
|
}
|