diff options
Diffstat (limited to 'drivers/infiniband/core/sysfs.c')
| -rw-r--r-- | drivers/infiniband/core/sysfs.c | 166 |
1 files changed, 97 insertions, 69 deletions
diff --git a/drivers/infiniband/core/sysfs.c b/drivers/infiniband/core/sysfs.c index 914cddea525d..b8abb30f80df 100644 --- a/drivers/infiniband/core/sysfs.c +++ b/drivers/infiniband/core/sysfs.c @@ -165,9 +165,11 @@ static ssize_t state_show(struct ib_port *p, struct port_attribute *unused, 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"); + return sysfs_emit(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, @@ -180,7 +182,7 @@ static ssize_t lid_show(struct ib_port *p, struct port_attribute *unused, if (ret) return ret; - return sprintf(buf, "0x%x\n", attr.lid); + return sysfs_emit(buf, "0x%x\n", attr.lid); } static ssize_t lid_mask_count_show(struct ib_port *p, @@ -194,7 +196,7 @@ static ssize_t lid_mask_count_show(struct ib_port *p, if (ret) return ret; - return sprintf(buf, "%d\n", attr.lmc); + return sysfs_emit(buf, "%d\n", attr.lmc); } static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused, @@ -207,7 +209,7 @@ static ssize_t sm_lid_show(struct ib_port *p, struct port_attribute *unused, if (ret) return ret; - return sprintf(buf, "0x%x\n", attr.sm_lid); + return sysfs_emit(buf, "0x%x\n", attr.sm_lid); } static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused, @@ -220,7 +222,7 @@ static ssize_t sm_sl_show(struct ib_port *p, struct port_attribute *unused, if (ret) return ret; - return sprintf(buf, "%d\n", attr.sm_sl); + return sysfs_emit(buf, "%d\n", attr.sm_sl); } static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused, @@ -233,7 +235,7 @@ static ssize_t cap_mask_show(struct ib_port *p, struct port_attribute *unused, if (ret) return ret; - return sprintf(buf, "0x%08x\n", attr.port_cap_flags); + return sysfs_emit(buf, "0x%08x\n", attr.port_cap_flags); } static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, @@ -273,6 +275,10 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, speed = " HDR"; rate = 500; break; + case IB_SPEED_NDR: + speed = " NDR"; + rate = 1000; + break; case IB_SPEED_SDR: default: /* default to SDR for invalid rates */ speed = " SDR"; @@ -284,9 +290,9 @@ static ssize_t rate_show(struct ib_port *p, struct port_attribute *unused, 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); + return sysfs_emit(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) @@ -318,21 +324,28 @@ static ssize_t phys_state_show(struct ib_port *p, struct port_attribute *unused, if (ret) return ret; - return sprintf(buf, "%d: %s\n", attr.phys_state, - phys_state_to_str(attr.phys_state)); + return sysfs_emit(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) { + const char *output; + switch (rdma_port_get_link_layer(p->ibdev, p->port_num)) { case IB_LINK_LAYER_INFINIBAND: - return sprintf(buf, "%s\n", "InfiniBand"); + output = "InfiniBand"; + break; case IB_LINK_LAYER_ETHERNET: - return sprintf(buf, "%s\n", "Ethernet"); + output = "Ethernet"; + break; default: - return sprintf(buf, "%s\n", "Unknown"); + output = "Unknown"; + break; } + + return sysfs_emit(buf, "%s\n", output); } static PORT_ATTR_RO(state); @@ -358,27 +371,28 @@ static struct attribute *port_default_attrs[] = { NULL }; -static size_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf) +static ssize_t print_ndev(const struct ib_gid_attr *gid_attr, char *buf) { struct net_device *ndev; - size_t ret = -EINVAL; + int ret = -EINVAL; rcu_read_lock(); ndev = rcu_dereference(gid_attr->ndev); if (ndev) - ret = sprintf(buf, "%s\n", ndev->name); + ret = sysfs_emit(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) +static ssize_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)); + return sysfs_emit(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)) + ssize_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); @@ -401,7 +415,7 @@ static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, struct port_table_attribute *tab_attr = container_of(attr, struct port_table_attribute, attr); const struct ib_gid_attr *gid_attr; - ssize_t ret; + int len; gid_attr = rdma_get_gid_attr(p->ibdev, p->port_num, tab_attr->index); if (IS_ERR(gid_attr)) { @@ -416,12 +430,12 @@ static ssize_t show_port_gid(struct ib_port *p, struct port_attribute *attr, * 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); + return sysfs_emit(buf, "%pI6\n", zgid.raw); } - ret = sprintf(buf, "%pI6\n", gid_attr->gid.raw); + len = sysfs_emit(buf, "%pI6\n", gid_attr->gid.raw); rdma_put_gid_attr(gid_attr); - return ret; + return len; } static ssize_t show_port_gid_attr_ndev(struct ib_port *p, @@ -443,13 +457,13 @@ static ssize_t show_port_pkey(struct ib_port *p, struct port_attribute *attr, struct port_table_attribute *tab_attr = container_of(attr, struct port_table_attribute, attr); u16 pkey; - ssize_t ret; + int 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); + return sysfs_emit(buf, "0x%04x\n", pkey); } #define PORT_PMA_ATTR(_name, _counter, _width, _offset) \ @@ -521,8 +535,9 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *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; + int ret; u8 data[8]; + int len; ret = get_perf_mad(p->ibdev, p->port_num, tab_attr->attr_id, &data, 40 + offset / 8, sizeof(data)); @@ -531,30 +546,27 @@ static ssize_t show_pma_counter(struct ib_port *p, struct port_attribute *attr, switch (width) { case 4: - ret = sprintf(buf, "%u\n", (*data >> - (4 - (offset % 8))) & 0xf); + len = sysfs_emit(buf, "%u\n", + (*data >> (4 - (offset % 8))) & 0xf); break; case 8: - ret = sprintf(buf, "%u\n", *data); + len = sysfs_emit(buf, "%u\n", *data); break; case 16: - ret = sprintf(buf, "%u\n", - be16_to_cpup((__be16 *)data)); + len = sysfs_emit(buf, "%u\n", be16_to_cpup((__be16 *)data)); break; case 32: - ret = sprintf(buf, "%u\n", - be32_to_cpup((__be32 *)data)); + len = sysfs_emit(buf, "%u\n", be32_to_cpup((__be32 *)data)); break; case 64: - ret = sprintf(buf, "%llu\n", - be64_to_cpup((__be64 *)data)); + len = sysfs_emit(buf, "%llu\n", be64_to_cpup((__be64 *)data)); break; - default: - ret = 0; + len = 0; + break; } - return ret; + return len; } static PORT_PMA_ATTR(symbol_error , 0, 16, 32); @@ -815,12 +827,12 @@ static int update_hw_stats(struct ib_device *dev, struct rdma_hw_stats *stats, return 0; } -static ssize_t print_hw_stat(struct ib_device *dev, int port_num, - struct rdma_hw_stats *stats, int index, char *buf) +static int 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); + return sysfs_emit(buf, "%llu\n", stats->value[index] + v); } static ssize_t show_hw_stats(struct kobject *kobj, struct attribute *attr, @@ -877,7 +889,7 @@ static ssize_t show_stats_lifespan(struct kobject *kobj, msecs = jiffies_to_msecs(stats->lifespan); mutex_unlock(&stats->lock); - return sprintf(buf, "%d\n", msecs); + return sysfs_emit(buf, "%d\n", msecs); } static ssize_t set_stats_lifespan(struct kobject *kobj, @@ -1224,21 +1236,34 @@ err_put: return ret; } +static const char *node_type_string(int node_type) +{ + switch (node_type) { + case RDMA_NODE_IB_CA: + return "CA"; + case RDMA_NODE_IB_SWITCH: + return "switch"; + case RDMA_NODE_IB_ROUTER: + return "router"; + case RDMA_NODE_RNIC: + return "RNIC"; + case RDMA_NODE_USNIC: + return "usNIC"; + case RDMA_NODE_USNIC_UDP: + return "usNIC UDP"; + case RDMA_NODE_UNSPECIFIED: + return "unspecified"; + } + return "<unknown>"; +} + 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); - } + return sysfs_emit(buf, "%d: %s\n", dev->node_type, + node_type_string(dev->node_type)); } static DEVICE_ATTR_RO(node_type); @@ -1246,12 +1271,13 @@ 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); + __be16 *guid = (__be16 *)&dev->attrs.sys_image_guid; - 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])); + return sysfs_emit(buf, "%04x:%04x:%04x:%04x\n", + be16_to_cpu(guid[0]), + be16_to_cpu(guid[1]), + be16_to_cpu(guid[2]), + be16_to_cpu(guid[3])); } static DEVICE_ATTR_RO(sys_image_guid); @@ -1259,12 +1285,13 @@ static ssize_t node_guid_show(struct device *device, struct device_attribute *attr, char *buf) { struct ib_device *dev = rdma_device_to_ibdev(device); + __be16 *node_guid = (__be16 *)&dev->node_guid; - 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])); + return sysfs_emit(buf, "%04x:%04x:%04x:%04x\n", + be16_to_cpu(node_guid[0]), + be16_to_cpu(node_guid[1]), + be16_to_cpu(node_guid[2]), + be16_to_cpu(node_guid[3])); } static DEVICE_ATTR_RO(node_guid); @@ -1273,7 +1300,7 @@ static ssize_t node_desc_show(struct device *device, { struct ib_device *dev = rdma_device_to_ibdev(device); - return sprintf(buf, "%.64s\n", dev->node_desc); + return sysfs_emit(buf, "%.64s\n", dev->node_desc); } static ssize_t node_desc_store(struct device *device, @@ -1300,10 +1327,11 @@ static ssize_t fw_ver_show(struct device *device, struct device_attribute *attr, char *buf) { struct ib_device *dev = rdma_device_to_ibdev(device); + char version[IB_FW_VERSION_NAME_MAX] = {}; + + ib_get_device_fw_str(dev, version); - ib_get_device_fw_str(dev, buf); - strlcat(buf, "\n", IB_FW_VERSION_NAME_MAX); - return strlen(buf); + return sysfs_emit(buf, "%s\n", version); } static DEVICE_ATTR_RO(fw_ver); |