--- /dev/null
+/*
+ *
+ * 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
+ *
+ * Copyright(c) 2015 Intel Corporation.
+ *
+ * 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
+ *
+ * Copyright(c) 2015 Intel Corporation.
+ *
+ * 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 == NULL) {
+ rcu_read_unlock();
+ return -EINVAL;
+ }
+ memcpy(buf, &cc_state->cct, 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 kobj_type port_cc_ktype = {
+ .release = port_release,
+};
+
+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 == NULL) {
+ rcu_read_unlock();
+ return -EINVAL;
+ }
+ memcpy(buf, &cc_state->cong_setting, 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,
+};
+
+/* 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, 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, 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, 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, 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, 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, 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, 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, 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,
+ "IB%u: Congestion Control Agent enabled for port %d\n",
+ dd->unit, 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.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);
+ }
+}
Code Review / kvmfornfv.git / blobdiff