/* * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. * Copyright (c) 2005 Mellanox Technologies Ltd. All rights reserved. * Copyright (c) 2005 Sun Microsystems, Inc. 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. */ #include "core_priv.h" #include <linux/slab.h> #include <linux/stat.h> #include <linux/string.h> #include <linux/netdevice.h> #include <linux/ethtool.h> #include <rdma/ib_mad.h> #include <rdma/ib_pma.h> #include <rdma/ib_cache.h> #include <rdma/rdma_counter.h> struct ib_port; struct gid_attr_group { <------>struct ib_port *port; <------>struct kobject kobj; <------>struct attribute_group ndev; <------>struct attribute_group type; }; struct ib_port { <------>struct kobject kobj; <------>struct ib_device *ibdev; <------>struct gid_attr_group *gid_attr_group; <------>struct attribute_group gid_group; <------>struct attribute_group *pkey_group; <------>const struct attribute_group *pma_table; <------>struct attribute_group *hw_stats_ag; <------>struct rdma_hw_stats *hw_stats; <------>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; <------>__be16 attr_id; }; struct hw_stats_attribute { <------>struct attribute attr; <------>ssize_t (*show)(struct kobject *kobj, <------><------><------><------><------>struct attribute *attr, char *buf); <------>ssize_t (*store)(struct kobject *kobj, <------><------><------><------><------> struct attribute *attr, <------><------><------><------><------> const char *buf, <------><------><------><------><------> size_t count); <------>int index; <------>u8 port_num; }; 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 ssize_t port_attr_store(struct kobject *kobj, <------><------><------> struct attribute *attr, <------><------><------> const char *buf, size_t count) { <------>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->store) <------><------>return -EIO; <------>return port_attr->store(p, port_attr, buf, count); } static const struct sysfs_ops port_sysfs_ops = { <------>.show = port_attr_show, <------>.store = port_attr_store }; static ssize_t gid_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 gid_attr_group, <------><------><------><------><------> kobj)->port; <------>if (!port_attr->show) <------><------>return -EIO; <------>return port_attr->show(p, port_attr, buf); } static const struct sysfs_ops gid_attr_sysfs_ops = { <------>.show = gid_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; /* in deci-Gb/sec */ <------>ssize_t ret; <------>ret = ib_query_port(p->ibdev, p->port_num, &attr); <------>if (ret) <------><------>return ret; <------>switch (attr.active_speed) { <------>case IB_SPEED_DDR: <------><------>speed = " DDR"; <------><------>rate = 50; <------><------>break; <------>case IB_SPEED_QDR: <------><------>speed = " QDR"; <------><------>rate = 100; <------><------>break; <------>case IB_SPEED_FDR10: <------><------>speed = " FDR10"; <------><------>rate = 100; <------><------>break; <------>case IB_SPEED_FDR: <------><------>speed = " FDR"; <------><------>rate = 140; <------><------>break; <------>case IB_SPEED_EDR: <------><------>speed = " EDR"; <------><------>rate = 250; <------><------>break; <------>case IB_SPEED_HDR: <------><------>speed = " HDR"; <------><------>rate = 500; <------><------>break; <------>case IB_SPEED_SDR: <------>default: /* default to SDR for invalid rates */ <------><------>speed = " SDR"; <------><------>rate = 25; <------><------>break; <------>} <------>rate *= ib_width_enum_to_int(attr.active_width); <------>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 const char *phys_state_to_str(enum ib_port_phys_state phys_state) { <------>static const char * phys_state_str[] = { <------><------>"<unknown>", <------><------>"Sleep", <------><------>"Polling", <------><------>"Disabled", <------><------>"PortConfigurationTraining", <------><------>"LinkUp", <------><------>"LinkErrorRecovery", <------><------>"Phy Test", <------>}; <------>if (phys_state < ARRAY_SIZE(phys_state_str)) <------><------>return phys_state_str[phys_state]; <------>return "<unknown>"; } 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; <------>return sprintf(buf, "%d: %s\n", attr.phys_state, <------><------> phys_state_to_str(attr.phys_state)); } static ssize_t link_layer_show(struct ib_port *p, struct port_attribute *unused, <------><------><------> char *buf) { <------>switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { <------>case IB_LINK_LAYER_INFINIBAND: <------><------>return sprintf(buf, "%s\n", "InfiniBand"); <------>case IB_LINK_LAYER_ETHERNET: <------><------>return sprintf(buf, "%s\n", "Ethernet"); <------>default: <------><------>return sprintf(buf, "%s\n", "Unknown"); <------>} } 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 PORT_ATTR_RO(link_layer); 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, <------>&port_attr_link_layer.attr, <------>NULL }; static size_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf) { <------>struct net_device *ndev; <------>size_t ret = -EINVAL; <------>rcu_read_lock(); <------>ndev = rcu_dereference(gid_attr->ndev); <------>if (ndev) <------><------>ret = sprintf(buf, "%s\n", ndev->name); <------>rcu_read_unlock(); <------>return ret; } static size_t print_gid_type(const struct ib_gid_attr *gid_attr, char *buf) { <------>return sprintf(buf, "%s\n", ib_cache_gid_type_str(gid_attr->gid_type)); } static ssize_t _show_port_gid_attr( <------>struct ib_port *p, struct port_attribute *attr, char *buf, <------>size_t (*print)(const struct ib_gid_attr *gid_attr, char *buf)) { <------>struct port_table_attribute *tab_attr = <------><------>container_of(attr, struct port_table_attribute, attr); <------>const struct ib_gid_attr *gid_attr; <------>ssize_t ret; <------>gid_attr = rdma_get_gid_attr(p->ibdev, p->port_num, tab_attr->index); <------>if (IS_ERR(gid_attr)) <------><------>/* -EINVAL is returned for user space compatibility reasons. */ <------><------>return -EINVAL; <------>ret = print(gid_attr, buf); <------>rdma_put_gid_attr(gid_attr); <------>return ret; } 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); <------>const struct ib_gid_attr *gid_attr; <------>ssize_t ret; <------>gid_attr = rdma_get_gid_attr(p->ibdev, p->port_num, tab_attr->index); <------>if (IS_ERR(gid_attr)) { <------><------>const union ib_gid zgid = {}; <------><------>/* If reading GID fails, it is likely due to GID entry being <------><------> * empty (invalid) or reserved GID in the table. User space <------><------> * expects to read GID table entries as long as it given index <------><------> * is within GID table size. Administrative/debugging tool <------><------> * fails to query rest of the GID entries if it hits error <------><------> * while querying a GID of the given index. To avoid user <------><------> * space throwing such error on fail to read gid, return zero <------><------> * GID as before. This maintains backward compatibility. <------><------> */ <------><------>return sprintf(buf, "%pI6\n", zgid.raw); <------>} <------>ret = sprintf(buf, "%pI6\n", gid_attr->gid.raw); <------>rdma_put_gid_attr(gid_attr); <------>return ret; } static ssize_t show_port_gid_attr_ndev(struct ib_port *p, <------><------><------><------> struct port_attribute *attr, char *buf) { <------>return _show_port_gid_attr(p, attr, buf, print_ndev); } static ssize_t show_port_gid_attr_gid_type(struct ib_port *p, <------><------><------><------><------> struct port_attribute *attr, <------><------><------><------><------> char *buf) { <------>return _show_port_gid_attr(p, attr, buf, print_gid_type); } 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), \ <------>.attr_id = IB_PMA_PORT_COUNTERS , \ } #define PORT_PMA_ATTR_EXT(_name, _width, _offset) \ struct port_table_attribute port_pma_attr_ext_##_name = { \ <------>.attr = __ATTR(_name, S_IRUGO, show_pma_counter, NULL), \ <------>.index = (_offset) | ((_width) << 16), \ <------>.attr_id = IB_PMA_PORT_COUNTERS_EXT , \ } /* * Get a Perfmgmt MAD block of data. * Returns error code or the number of bytes retrieved. */ static int get_perf_mad(struct ib_device *dev, int port_num, __be16 attr, <------><------>void *data, int offset, size_t size) { <------>struct ib_mad *in_mad; <------>struct ib_mad *out_mad; <------>size_t mad_size = sizeof(*out_mad); <------>u16 out_mad_pkey_index = 0; <------>ssize_t ret; <------>if (!dev->ops.process_mad) <------><------>return -ENOSYS; <------>in_mad = kzalloc(sizeof(*in_mad), GFP_KERNEL); <------>out_mad = kzalloc(sizeof(*out_mad), GFP_KERNEL); <------>if (!in_mad || !out_mad) { <------><------>ret = -ENOMEM; <------><------>goto out; <------>} <------>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 = attr; <------>if (attr != IB_PMA_CLASS_PORT_INFO) <------><------>in_mad->data[41] = port_num; /* PortSelect field */ <------>if ((dev->ops.process_mad(dev, IB_MAD_IGNORE_MKEY, port_num, NULL, NULL, <------><------><------><------> in_mad, out_mad, &mad_size, <------><------><------><------> &out_mad_pkey_index) & <------> (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) != <------> (IB_MAD_RESULT_SUCCESS | IB_MAD_RESULT_REPLY)) { <------><------>ret = -EINVAL; <------><------>goto out; <------>} <------>memcpy(data, out_mad->data + offset, size); <------>ret = size; out: <------>kfree(in_mad); <------>kfree(out_mad); <------>return ret; } 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; <------>ssize_t ret; <------>u8 data[8]; <------>ret = get_perf_mad(p->ibdev, p->port_num, tab_attr->attr_id, &data, <------><------><------>40 + offset / 8, sizeof(data)); <------>if (ret < 0) <------><------>return ret; <------>switch (width) { <------>case 4: <------><------>ret = sprintf(buf, "%u\n", (*data >> <------><------><------><------><------> (4 - (offset % 8))) & 0xf); <------><------>break; <------>case 8: <------><------>ret = sprintf(buf, "%u\n", *data); <------><------>break; <------>case 16: <------><------>ret = sprintf(buf, "%u\n", <------><------><------> be16_to_cpup((__be16 *)data)); <------><------>break; <------>case 32: <------><------>ret = sprintf(buf, "%u\n", <------><------><------> be32_to_cpup((__be32 *)data)); <------><------>break; <------>case 64: <------><------>ret = sprintf(buf, "%llu\n", <------><------><------><------>be64_to_cpup((__be64 *)data)); <------><------>break; <------>default: <------><------>ret = 0; <------>} <------>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 PORT_PMA_ATTR(port_xmit_wait , 0, 32, 320); /* * Counters added by extended set */ static PORT_PMA_ATTR_EXT(port_xmit_data , 64, 64); static PORT_PMA_ATTR_EXT(port_rcv_data , 64, 128); static PORT_PMA_ATTR_EXT(port_xmit_packets , 64, 192); static PORT_PMA_ATTR_EXT(port_rcv_packets , 64, 256); static PORT_PMA_ATTR_EXT(unicast_xmit_packets , 64, 320); static PORT_PMA_ATTR_EXT(unicast_rcv_packets , 64, 384); static PORT_PMA_ATTR_EXT(multicast_xmit_packets , 64, 448); static PORT_PMA_ATTR_EXT(multicast_rcv_packets , 64, 512); 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, <------>&port_pma_attr_port_xmit_wait.attr.attr, <------>NULL }; static struct attribute *pma_attrs_ext[] = { <------>&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_ext_port_xmit_data.attr.attr, <------>&port_pma_attr_ext_port_rcv_data.attr.attr, <------>&port_pma_attr_ext_port_xmit_packets.attr.attr, <------>&port_pma_attr_port_xmit_wait.attr.attr, <------>&port_pma_attr_ext_port_rcv_packets.attr.attr, <------>&port_pma_attr_ext_unicast_rcv_packets.attr.attr, <------>&port_pma_attr_ext_unicast_xmit_packets.attr.attr, <------>&port_pma_attr_ext_multicast_rcv_packets.attr.attr, <------>&port_pma_attr_ext_multicast_xmit_packets.attr.attr, <------>NULL }; static struct attribute *pma_attrs_noietf[] = { <------>&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_ext_port_xmit_data.attr.attr, <------>&port_pma_attr_ext_port_rcv_data.attr.attr, <------>&port_pma_attr_ext_port_xmit_packets.attr.attr, <------>&port_pma_attr_ext_port_rcv_packets.attr.attr, <------>&port_pma_attr_port_xmit_wait.attr.attr, <------>NULL }; static const struct attribute_group pma_group = { <------>.name = "counters", <------>.attrs = pma_attrs }; static const struct attribute_group pma_group_ext = { <------>.name = "counters", <------>.attrs = pma_attrs_ext }; static const struct attribute_group pma_group_noietf = { <------>.name = "counters", <------>.attrs = pma_attrs_noietf }; static void ib_port_release(struct kobject *kobj) { <------>struct ib_port *p = container_of(kobj, struct ib_port, kobj); <------>struct attribute *a; <------>int i; <------>if (p->gid_group.attrs) { <------><------>for (i = 0; (a = p->gid_group.attrs[i]); ++i) <------><------><------>kfree(a); <------><------>kfree(p->gid_group.attrs); <------>} <------>if (p->pkey_group) { <------><------>if (p->pkey_group->attrs) { <------><------><------>for (i = 0; (a = p->pkey_group->attrs[i]); ++i) <------><------><------><------>kfree(a); <------><------><------>kfree(p->pkey_group->attrs); <------><------>} <------><------>kfree(p->pkey_group); <------><------>p->pkey_group = NULL; <------>} <------>kfree(p); } static void ib_port_gid_attr_release(struct kobject *kobj) { <------>struct gid_attr_group *g = container_of(kobj, struct gid_attr_group, <------><------><------><------><------><------>kobj); <------>struct attribute *a; <------>int i; <------>if (g->ndev.attrs) { <------><------>for (i = 0; (a = g->ndev.attrs[i]); ++i) <------><------><------>kfree(a); <------><------>kfree(g->ndev.attrs); <------>} <------>if (g->type.attrs) { <------><------>for (i = 0; (a = g->type.attrs[i]); ++i) <------><------><------>kfree(a); <------><------>kfree(g->type.attrs); <------>} <------>kfree(g); } static struct kobj_type port_type = { <------>.release = ib_port_release, <------>.sysfs_ops = &port_sysfs_ops, <------>.default_attrs = port_default_attrs }; static struct kobj_type gid_attr_type = { <------>.sysfs_ops = &gid_attr_sysfs_ops, <------>.release = ib_port_gid_attr_release }; 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 = kzalloc(sizeof(struct port_table_attribute), <------><------><------><------> GFP_KERNEL); <------><------>if (!element) <------><------><------>goto err; <------><------>if (snprintf(element->name, sizeof(element->name), <------><------><------> "%d", i) >= sizeof(element->name)) { <------><------><------>kfree(element); <------><------><------>goto err; <------><------>} <------><------>element->attr.attr.name = element->name; <------><------>element->attr.attr.mode = S_IRUGO; <------><------>element->attr.show = show; <------><------>element->index = i; <------><------>sysfs_attr_init(&element->attr.attr); <------><------>tab_attr[i] = &element->attr.attr; <------>} <------>return tab_attr; err: <------>while (--i >= 0) <------><------>kfree(tab_attr[i]); <------>kfree(tab_attr); <------>return NULL; } /* * Figure out which counter table to use depending on * the device capabilities. */ static const struct attribute_group *get_counter_table(struct ib_device *dev, <------><------><------><------><------><------> int port_num) { <------>struct ib_class_port_info cpi; <------>if (get_perf_mad(dev, port_num, IB_PMA_CLASS_PORT_INFO, <------><------><------><------>&cpi, 40, sizeof(cpi)) >= 0) { <------><------>if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH) <------><------><------>/* We have extended counters */ <------><------><------>return &pma_group_ext; <------><------>if (cpi.capability_mask & IB_PMA_CLASS_CAP_EXT_WIDTH_NOIETF) <------><------><------>/* But not the IETF ones */ <------><------><------>return &pma_group_noietf; <------>} <------>/* Fall back to normal counters */ <------>return &pma_group; } static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats, <------><------><------> u8 port_num, int index) { <------>int ret; <------>if (time_is_after_eq_jiffies(stats->timestamp + stats->lifespan)) <------><------>return 0; <------>ret = dev->ops.get_hw_stats(dev, stats, port_num, index); <------>if (ret < 0) <------><------>return ret; <------>if (ret == stats->num_counters) <------><------>stats->timestamp = jiffies; <------>return 0; } static ssize_t print_hw_stat(struct ib_device *dev, int port_num, <------><------><------> struct rdma_hw_stats *stats, int index, char *buf) { <------>u64 v = rdma_counter_get_hwstat_value(dev, port_num, index); <------>return sprintf(buf, "%llu\n", stats->value[index] + v); } static ssize_t show_hw_stats(struct kobject *kobj, struct attribute *attr, <------><------><------> char *buf) { <------>struct ib_device *dev; <------>struct ib_port *port; <------>struct hw_stats_attribute *hsa; <------>struct rdma_hw_stats *stats; <------>int ret; <------>hsa = container_of(attr, struct hw_stats_attribute, attr); <------>if (!hsa->port_num) { <------><------>dev = container_of((struct device *)kobj, <------><------><------><------> struct ib_device, dev); <------><------>stats = dev->hw_stats; <------>} else { <------><------>port = container_of(kobj, struct ib_port, kobj); <------><------>dev = port->ibdev; <------><------>stats = port->hw_stats; <------>} <------>mutex_lock(&stats->lock); <------>ret = update_hw_stats(dev, stats, hsa->port_num, hsa->index); <------>if (ret) <------><------>goto unlock; <------>ret = print_hw_stat(dev, hsa->port_num, stats, hsa->index, buf); unlock: <------>mutex_unlock(&stats->lock); <------>return ret; } static ssize_t show_stats_lifespan(struct kobject *kobj, <------><------><------><------> struct attribute *attr, <------><------><------><------> char *buf) { <------>struct hw_stats_attribute *hsa; <------>struct rdma_hw_stats *stats; <------>int msecs; <------>hsa = container_of(attr, struct hw_stats_attribute, attr); <------>if (!hsa->port_num) { <------><------>struct ib_device *dev = container_of((struct device *)kobj, <------><------><------><------><------><------> struct ib_device, dev); <------><------>stats = dev->hw_stats; <------>} else { <------><------>struct ib_port *p = container_of(kobj, struct ib_port, kobj); <------><------>stats = p->hw_stats; <------>} <------>mutex_lock(&stats->lock); <------>msecs = jiffies_to_msecs(stats->lifespan); <------>mutex_unlock(&stats->lock); <------>return sprintf(buf, "%d\n", msecs); } static ssize_t set_stats_lifespan(struct kobject *kobj, <------><------><------><------> struct attribute *attr, <------><------><------><------> const char *buf, size_t count) { <------>struct hw_stats_attribute *hsa; <------>struct rdma_hw_stats *stats; <------>int msecs; <------>int jiffies; <------>int ret; <------>ret = kstrtoint(buf, 10, &msecs); <------>if (ret) <------><------>return ret; <------>if (msecs < 0 || msecs > 10000) <------><------>return -EINVAL; <------>jiffies = msecs_to_jiffies(msecs); <------>hsa = container_of(attr, struct hw_stats_attribute, attr); <------>if (!hsa->port_num) { <------><------>struct ib_device *dev = container_of((struct device *)kobj, <------><------><------><------><------><------> struct ib_device, dev); <------><------>stats = dev->hw_stats; <------>} else { <------><------>struct ib_port *p = container_of(kobj, struct ib_port, kobj); <------><------>stats = p->hw_stats; <------>} <------>mutex_lock(&stats->lock); <------>stats->lifespan = jiffies; <------>mutex_unlock(&stats->lock); <------>return count; } static void free_hsag(struct kobject *kobj, struct attribute_group *attr_group) { <------>struct attribute **attr; <------>sysfs_remove_group(kobj, attr_group); <------>for (attr = attr_group->attrs; *attr; attr++) <------><------>kfree(*attr); <------>kfree(attr_group); } static struct attribute *alloc_hsa(int index, u8 port_num, const char *name) { <------>struct hw_stats_attribute *hsa; <------>hsa = kmalloc(sizeof(*hsa), GFP_KERNEL); <------>if (!hsa) <------><------>return NULL; <------>hsa->attr.name = (char *)name; <------>hsa->attr.mode = S_IRUGO; <------>hsa->show = show_hw_stats; <------>hsa->store = NULL; <------>hsa->index = index; <------>hsa->port_num = port_num; <------>return &hsa->attr; } static struct attribute *alloc_hsa_lifespan(char *name, u8 port_num) { <------>struct hw_stats_attribute *hsa; <------>hsa = kmalloc(sizeof(*hsa), GFP_KERNEL); <------>if (!hsa) <------><------>return NULL; <------>hsa->attr.name = name; <------>hsa->attr.mode = S_IWUSR | S_IRUGO; <------>hsa->show = show_stats_lifespan; <------>hsa->store = set_stats_lifespan; <------>hsa->index = 0; <------>hsa->port_num = port_num; <------>return &hsa->attr; } static void setup_hw_stats(struct ib_device *device, struct ib_port *port, <------><------><------> u8 port_num) { <------>struct attribute_group *hsag; <------>struct rdma_hw_stats *stats; <------>int i, ret; <------>stats = device->ops.alloc_hw_stats(device, port_num); <------>if (!stats) <------><------>return; <------>if (!stats->names || stats->num_counters <= 0) <------><------>goto err_free_stats; <------>/* <------> * Two extra attribue elements here, one for the lifespan entry and <------> * one to NULL terminate the list for the sysfs core code <------> */ <------>hsag = kzalloc(sizeof(*hsag) + <------><------> sizeof(void *) * (stats->num_counters + 2), <------><------> GFP_KERNEL); <------>if (!hsag) <------><------>goto err_free_stats; <------>ret = device->ops.get_hw_stats(device, stats, port_num, <------><------><------><------> stats->num_counters); <------>if (ret != stats->num_counters) <------><------>goto err_free_hsag; <------>stats->timestamp = jiffies; <------>hsag->name = "hw_counters"; <------>hsag->attrs = (void *)hsag + sizeof(*hsag); <------>for (i = 0; i < stats->num_counters; i++) { <------><------>hsag->attrs[i] = alloc_hsa(i, port_num, stats->names[i]); <------><------>if (!hsag->attrs[i]) <------><------><------>goto err; <------><------>sysfs_attr_init(hsag->attrs[i]); <------>} <------>mutex_init(&stats->lock); <------>/* treat an error here as non-fatal */ <------>hsag->attrs[i] = alloc_hsa_lifespan("lifespan", port_num); <------>if (hsag->attrs[i]) <------><------>sysfs_attr_init(hsag->attrs[i]); <------>if (port) { <------><------>struct kobject *kobj = &port->kobj; <------><------>ret = sysfs_create_group(kobj, hsag); <------><------>if (ret) <------><------><------>goto err; <------><------>port->hw_stats_ag = hsag; <------><------>port->hw_stats = stats; <------><------>if (device->port_data) <------><------><------>device->port_data[port_num].hw_stats = stats; <------>} else { <------><------>struct kobject *kobj = &device->dev.kobj; <------><------>ret = sysfs_create_group(kobj, hsag); <------><------>if (ret) <------><------><------>goto err; <------><------>device->hw_stats_ag = hsag; <------><------>device->hw_stats = stats; <------>} <------>return; err: <------>for (; i >= 0; i--) <------><------>kfree(hsag->attrs[i]); err_free_hsag: <------>kfree(hsag); err_free_stats: <------>kfree(stats); <------>return; } static int add_port(struct ib_core_device *coredev, int port_num) { <------>struct ib_device *device = rdma_device_to_ibdev(&coredev->dev); <------>bool is_full_dev = &device->coredev == coredev; <------>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 = kzalloc(sizeof *p, GFP_KERNEL); <------>if (!p) <------><------>return -ENOMEM; <------>p->ibdev = device; <------>p->port_num = port_num; <------>ret = kobject_init_and_add(&p->kobj, &port_type, <------><------><------><------> coredev->ports_kobj, <------><------><------><------> "%d", port_num); <------>if (ret) { <------><------>goto err_put; <------>} <------>p->gid_attr_group = kzalloc(sizeof(*p->gid_attr_group), GFP_KERNEL); <------>if (!p->gid_attr_group) { <------><------>ret = -ENOMEM; <------><------>goto err_put; <------>} <------>p->gid_attr_group->port = p; <------>ret = kobject_init_and_add(&p->gid_attr_group->kobj, &gid_attr_type, <------><------><------><------> &p->kobj, "gid_attrs"); <------>if (ret) { <------><------>goto err_put_gid_attrs; <------>} <------>if (device->ops.process_mad && is_full_dev) { <------><------>p->pma_table = get_counter_table(device, port_num); <------><------>ret = sysfs_create_group(&p->kobj, p->pma_table); <------><------>if (ret) <------><------><------>goto err_put_gid_attrs; <------>} <------>p->gid_group.name = "gids"; <------>p->gid_group.attrs = alloc_group_attrs(show_port_gid, attr.gid_tbl_len); <------>if (!p->gid_group.attrs) { <------><------>ret = -ENOMEM; <------><------>goto err_remove_pma; <------>} <------>ret = sysfs_create_group(&p->kobj, &p->gid_group); <------>if (ret) <------><------>goto err_free_gid; <------>p->gid_attr_group->ndev.name = "ndevs"; <------>p->gid_attr_group->ndev.attrs = alloc_group_attrs(show_port_gid_attr_ndev, <------><------><------><------><------><------><------> attr.gid_tbl_len); <------>if (!p->gid_attr_group->ndev.attrs) { <------><------>ret = -ENOMEM; <------><------>goto err_remove_gid; <------>} <------>ret = sysfs_create_group(&p->gid_attr_group->kobj, <------><------><------><------> &p->gid_attr_group->ndev); <------>if (ret) <------><------>goto err_free_gid_ndev; <------>p->gid_attr_group->type.name = "types"; <------>p->gid_attr_group->type.attrs = alloc_group_attrs(show_port_gid_attr_gid_type, <------><------><------><------><------><------><------> attr.gid_tbl_len); <------>if (!p->gid_attr_group->type.attrs) { <------><------>ret = -ENOMEM; <------><------>goto err_remove_gid_ndev; <------>} <------>ret = sysfs_create_group(&p->gid_attr_group->kobj, <------><------><------><------> &p->gid_attr_group->type); <------>if (ret) <------><------>goto err_free_gid_type; <------>if (attr.pkey_tbl_len) { <------><------>p->pkey_group = kzalloc(sizeof(*p->pkey_group), GFP_KERNEL); <------><------>if (!p->pkey_group) { <------><------><------>ret = -ENOMEM; <------><------><------>goto err_remove_gid_type; <------><------>} <------><------>p->pkey_group->name = "pkeys"; <------><------>p->pkey_group->attrs = alloc_group_attrs(show_port_pkey, <------><------><------><------><------><------><------> attr.pkey_tbl_len); <------><------>if (!p->pkey_group->attrs) { <------><------><------>ret = -ENOMEM; <------><------><------>goto err_free_pkey_group; <------><------>} <------><------>ret = sysfs_create_group(&p->kobj, p->pkey_group); <------><------>if (ret) <------><------><------>goto err_free_pkey; <------>} <------>if (device->ops.init_port && is_full_dev) { <------><------>ret = device->ops.init_port(device, port_num, &p->kobj); <------><------>if (ret) <------><------><------>goto err_remove_pkey; <------>} <------>/* <------> * If port == 0, it means hw_counters are per device and not per <------> * port, so holder should be device. Therefore skip per port conunter <------> * initialization. <------> */ <------>if (device->ops.alloc_hw_stats && port_num && is_full_dev) <------><------>setup_hw_stats(device, p, port_num); <------>list_add_tail(&p->kobj.entry, &coredev->port_list); <------>kobject_uevent(&p->kobj, KOBJ_ADD); <------>return 0; err_remove_pkey: <------>if (p->pkey_group) <------><------>sysfs_remove_group(&p->kobj, p->pkey_group); err_free_pkey: <------>if (p->pkey_group) { <------><------>for (i = 0; i < attr.pkey_tbl_len; ++i) <------><------><------>kfree(p->pkey_group->attrs[i]); <------><------>kfree(p->pkey_group->attrs); <------><------>p->pkey_group->attrs = NULL; <------>} err_free_pkey_group: <------>kfree(p->pkey_group); err_remove_gid_type: <------>sysfs_remove_group(&p->gid_attr_group->kobj, <------><------><------> &p->gid_attr_group->type); err_free_gid_type: <------>for (i = 0; i < attr.gid_tbl_len; ++i) <------><------>kfree(p->gid_attr_group->type.attrs[i]); <------>kfree(p->gid_attr_group->type.attrs); <------>p->gid_attr_group->type.attrs = NULL; err_remove_gid_ndev: <------>sysfs_remove_group(&p->gid_attr_group->kobj, <------><------><------> &p->gid_attr_group->ndev); err_free_gid_ndev: <------>for (i = 0; i < attr.gid_tbl_len; ++i) <------><------>kfree(p->gid_attr_group->ndev.attrs[i]); <------>kfree(p->gid_attr_group->ndev.attrs); <------>p->gid_attr_group->ndev.attrs = NULL; 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); <------>p->gid_group.attrs = NULL; err_remove_pma: <------>if (p->pma_table) <------><------>sysfs_remove_group(&p->kobj, p->pma_table); err_put_gid_attrs: <------>kobject_put(&p->gid_attr_group->kobj); err_put: <------>kobject_put(&p->kobj); <------>return ret; } static ssize_t node_type_show(struct device *device, <------><------><------> struct device_attribute *attr, char *buf) { <------>struct ib_device *dev = rdma_device_to_ibdev(device); <------>switch (dev->node_type) { <------>case RDMA_NODE_IB_CA: return sprintf(buf, "%d: CA\n", dev->node_type); <------>case RDMA_NODE_RNIC: return sprintf(buf, "%d: RNIC\n", dev->node_type); <------>case RDMA_NODE_USNIC: return sprintf(buf, "%d: usNIC\n", dev->node_type); <------>case RDMA_NODE_USNIC_UDP: return sprintf(buf, "%d: usNIC UDP\n", dev->node_type); <------>case RDMA_NODE_UNSPECIFIED: return sprintf(buf, "%d: unspecified\n", dev->node_type); <------>case RDMA_NODE_IB_SWITCH: return sprintf(buf, "%d: switch\n", dev->node_type); <------>case RDMA_NODE_IB_ROUTER: return sprintf(buf, "%d: router\n", dev->node_type); <------>default: return sprintf(buf, "%d: <unknown>\n", dev->node_type); <------>} } static DEVICE_ATTR_RO(node_type); static ssize_t sys_image_guid_show(struct device *device, <------><------><------><------> struct device_attribute *dev_attr, char *buf) { <------>struct ib_device *dev = rdma_device_to_ibdev(device); <------>return sprintf(buf, "%04x:%04x:%04x:%04x\n", <------><------> be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[0]), <------><------> be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[1]), <------><------> be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[2]), <------><------> be16_to_cpu(((__be16 *) &dev->attrs.sys_image_guid)[3])); } static DEVICE_ATTR_RO(sys_image_guid); static ssize_t node_guid_show(struct device *device, <------><------><------> struct device_attribute *attr, char *buf) { <------>struct ib_device *dev = rdma_device_to_ibdev(device); <------>return sprintf(buf, "%04x:%04x:%04x:%04x\n", <------><------> be16_to_cpu(((__be16 *) &dev->node_guid)[0]), <------><------> be16_to_cpu(((__be16 *) &dev->node_guid)[1]), <------><------> be16_to_cpu(((__be16 *) &dev->node_guid)[2]), <------><------> be16_to_cpu(((__be16 *) &dev->node_guid)[3])); } static DEVICE_ATTR_RO(node_guid); static ssize_t node_desc_show(struct device *device, <------><------><------> struct device_attribute *attr, char *buf) { <------>struct ib_device *dev = rdma_device_to_ibdev(device); <------>return sprintf(buf, "%.64s\n", dev->node_desc); } static ssize_t node_desc_store(struct device *device, <------><------><------> struct device_attribute *attr, <------><------><------> const char *buf, size_t count) { <------>struct ib_device *dev = rdma_device_to_ibdev(device); <------>struct ib_device_modify desc = {}; <------>int ret; <------>if (!dev->ops.modify_device) <------><------>return -EOPNOTSUPP; <------>memcpy(desc.node_desc, buf, min_t(int, count, IB_DEVICE_NODE_DESC_MAX)); <------>ret = ib_modify_device(dev, IB_DEVICE_MODIFY_NODE_DESC, &desc); <------>if (ret) <------><------>return ret; <------>return count; } static DEVICE_ATTR_RW(node_desc); static ssize_t fw_ver_show(struct device *device, struct device_attribute *attr, <------><------><------> char *buf) { <------>struct ib_device *dev = rdma_device_to_ibdev(device); <------>ib_get_device_fw_str(dev, buf); <------>strlcat(buf, "\n", IB_FW_VERSION_NAME_MAX); <------>return strlen(buf); } static DEVICE_ATTR_RO(fw_ver); static struct attribute *ib_dev_attrs[] = { <------>&dev_attr_node_type.attr, <------>&dev_attr_node_guid.attr, <------>&dev_attr_sys_image_guid.attr, <------>&dev_attr_fw_ver.attr, <------>&dev_attr_node_desc.attr, <------>NULL, }; const struct attribute_group ib_dev_attr_group = { <------>.attrs = ib_dev_attrs, }; void ib_free_port_attrs(struct ib_core_device *coredev) { <------>struct ib_device *device = rdma_device_to_ibdev(&coredev->dev); <------>bool is_full_dev = &device->coredev == coredev; <------>struct kobject *p, *t; <------>list_for_each_entry_safe(p, t, &coredev->port_list, entry) { <------><------>struct ib_port *port = container_of(p, struct ib_port, kobj); <------><------>list_del(&p->entry); <------><------>if (port->hw_stats_ag) <------><------><------>free_hsag(&port->kobj, port->hw_stats_ag); <------><------>kfree(port->hw_stats); <------><------>if (device->port_data && is_full_dev) <------><------><------>device->port_data[port->port_num].hw_stats = NULL; <------><------>if (port->pma_table) <------><------><------>sysfs_remove_group(p, port->pma_table); <------><------>if (port->pkey_group) <------><------><------>sysfs_remove_group(p, port->pkey_group); <------><------>sysfs_remove_group(p, &port->gid_group); <------><------>sysfs_remove_group(&port->gid_attr_group->kobj, <------><------><------><------> &port->gid_attr_group->ndev); <------><------>sysfs_remove_group(&port->gid_attr_group->kobj, <------><------><------><------> &port->gid_attr_group->type); <------><------>kobject_put(&port->gid_attr_group->kobj); <------><------>kobject_put(p); <------>} <------>kobject_put(coredev->ports_kobj); } int ib_setup_port_attrs(struct ib_core_device *coredev) { <------>struct ib_device *device = rdma_device_to_ibdev(&coredev->dev); <------>unsigned int port; <------>int ret; <------>coredev->ports_kobj = kobject_create_and_add("ports", <------><------><------><------><------><------> &coredev->dev.kobj); <------>if (!coredev->ports_kobj) <------><------>return -ENOMEM; <------>rdma_for_each_port (device, port) { <------><------>ret = add_port(coredev, port); <------><------>if (ret) <------><------><------>goto err_put; <------>} <------>return 0; err_put: <------>ib_free_port_attrs(coredev); <------>return ret; } int ib_device_register_sysfs(struct ib_device *device) { <------>int ret; <------>ret = ib_setup_port_attrs(&device->coredev); <------>if (ret) <------><------>return ret; <------>if (device->ops.alloc_hw_stats) <------><------>setup_hw_stats(device, NULL, 0); <------>return 0; } void ib_device_unregister_sysfs(struct ib_device *device) { <------>if (device->hw_stats_ag) <------><------>free_hsag(&device->dev.kobj, device->hw_stats_ag); <------>kfree(device->hw_stats); <------>ib_free_port_attrs(&device->coredev); } /** * ib_port_register_module_stat - add module counters under relevant port * of IB device. * * @device: IB device to add counters * @port_num: valid port number * @kobj: pointer to the kobject to initialize * @ktype: pointer to the ktype for this kobject. * @name: the name of the kobject */ int ib_port_register_module_stat(struct ib_device *device, u8 port_num, <------><------><------><------> struct kobject *kobj, struct kobj_type *ktype, <------><------><------><------> const char *name) { <------>struct kobject *p, *t; <------>int ret; <------>list_for_each_entry_safe(p, t, &device->coredev.port_list, entry) { <------><------>struct ib_port *port = container_of(p, struct ib_port, kobj); <------><------>if (port->port_num != port_num) <------><------><------>continue; <------><------>ret = kobject_init_and_add(kobj, ktype, &port->kobj, "%s", <------><------><------><------><------> name); <------><------>if (ret) { <------><------><------>kobject_put(kobj); <------><------><------>return ret; <------><------>} <------>} <------>return 0; } EXPORT_SYMBOL(ib_port_register_module_stat); /** * ib_port_unregister_module_stat - release module counters * @kobj: pointer to the kobject to release */ void ib_port_unregister_module_stat(struct kobject *kobj) { <------>kobject_put(kobj); } EXPORT_SYMBOL(ib_port_unregister_module_stat);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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