+static int ioctl_show_global_values(int ioc, int seq_no, char *name,
+ struct cYAML **show_rc,
+ struct cYAML **err_rc)
+{
+ struct lnet_ioctl_set_value data;
+ int rc;
+ int l_errno = 0;
+ char err_str[LNET_MAX_STR_LEN];
+
+ snprintf(err_str, sizeof(err_str), "\"out of memory\"");
+
+ LIBCFS_IOC_INIT_V2(data, sv_hdr);
+
+ rc = l_ioctl(LNET_DEV_ID, ioc, &data);
+ if (rc != 0) {
+ l_errno = -errno;
+ snprintf(err_str,
+ sizeof(err_str),
+ "\"cannot get %s: %s\"",
+ name, strerror(l_errno));
+ }
+
+ return build_global_yaml_entry(err_str, sizeof(err_str), seq_no, name,
+ data.sv_value, show_rc, err_rc, l_errno);
+}
+
+int lustre_lnet_show_hsensitivity(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc)
+{
+ int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
+ char val[LNET_MAX_STR_LEN];
+ int sen = -1, l_errno = 0;
+ char err_str[LNET_MAX_STR_LEN];
+
+ snprintf(err_str, sizeof(err_str), "\"out of memory\"");
+
+ rc = read_sysfs_file(modparam_path, "lnet_health_sensitivity", val,
+ 1, sizeof(val));
+ if (rc) {
+ l_errno = -errno;
+ snprintf(err_str, sizeof(err_str),
+ "\"cannot get health sensitivity: %d\"", rc);
+ } else {
+ sen = atoi(val);
+ }
+
+ return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
+ "health_sensitivity", sen, show_rc,
+ err_rc, l_errno);
+}
+
+int lustre_lnet_show_transaction_to(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc)
+{
+ int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
+ char val[LNET_MAX_STR_LEN];
+ int tto = -1, l_errno = 0;
+ char err_str[LNET_MAX_STR_LEN];
+
+ snprintf(err_str, sizeof(err_str), "\"out of memory\"");
+
+ rc = read_sysfs_file(modparam_path, "lnet_transaction_timeout", val,
+ 1, sizeof(val));
+ if (rc) {
+ l_errno = -errno;
+ snprintf(err_str, sizeof(err_str),
+ "\"cannot get transaction timeout: %d\"", rc);
+ } else {
+ tto = atoi(val);
+ }
+
+ return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
+ "transaction_timeout", tto, show_rc,
+ err_rc, l_errno);
+}
+
+int lustre_lnet_show_retry_count(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc)
+{
+ int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
+ char val[LNET_MAX_STR_LEN];
+ int retry_count = -1, l_errno = 0;
+ char err_str[LNET_MAX_STR_LEN];
+
+ snprintf(err_str, sizeof(err_str), "\"out of memory\"");
+
+ rc = read_sysfs_file(modparam_path, "lnet_retry_count", val,
+ 1, sizeof(val));
+ if (rc) {
+ l_errno = -errno;
+ snprintf(err_str, sizeof(err_str),
+ "\"cannot get retry count: %d\"", rc);
+ } else {
+ retry_count = atoi(val);
+ }
+
+ return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
+ "retry_count", retry_count, show_rc,
+ err_rc, l_errno);
+}
+
+int lustre_lnet_show_max_intf(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc)
+{
+ int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
+ char val[LNET_MAX_STR_LEN];
+ int max_intf = -1, l_errno = 0;
+ char err_str[LNET_MAX_STR_LEN];
+
+ snprintf(err_str, sizeof(err_str), "\"out of memory\"");
+
+ rc = read_sysfs_file(modparam_path, "lnet_interfaces_max", val,
+ 1, sizeof(val));
+ if (rc) {
+ l_errno = -errno;
+ snprintf(err_str, sizeof(err_str),
+ "\"cannot get max interfaces: %d\"", rc);
+ } else {
+ max_intf = atoi(val);
+ }
+
+ return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
+ "max_intf", max_intf, show_rc,
+ err_rc, l_errno);
+}
+
+int lustre_lnet_show_discovery(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc)
+{
+ int rc = LUSTRE_CFG_RC_OUT_OF_MEM;
+ char val[LNET_MAX_STR_LEN];
+ int discovery = -1, l_errno = 0;
+ char err_str[LNET_MAX_STR_LEN];
+
+ snprintf(err_str, sizeof(err_str), "\"out of memory\"");
+
+ rc = read_sysfs_file(modparam_path, "lnet_peer_discovery_disabled", val,
+ 1, sizeof(val));
+ if (rc) {
+ l_errno = -errno;
+ snprintf(err_str, sizeof(err_str),
+ "\"cannot get discovery setting: %d\"", rc);
+ } else {
+ /*
+ * The kernel stores a discovery disabled value. User space
+ * shows whether discovery is enabled. So the value must be
+ * inverted.
+ */
+ discovery = !atoi(val);
+ }
+
+ return build_global_yaml_entry(err_str, sizeof(err_str), seq_no,
+ "discovery", discovery, show_rc,
+ err_rc, l_errno);
+}
+
+int lustre_lnet_show_numa_range(int seq_no, struct cYAML **show_rc,
+ struct cYAML **err_rc)
+{
+ return ioctl_show_global_values(IOC_LIBCFS_GET_NUMA_RANGE, seq_no,
+ "numa_range", show_rc, err_rc);
+}
+