1 /******************************************************************************
2 *******************************************************************************
4 ** Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
5 ** Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
7 ** This copyrighted material is made available to anyone wishing to use,
8 ** modify, copy, or redistribute it subject to the terms and conditions
9 ** of the GNU General Public License v.2.
11 *******************************************************************************
12 ******************************************************************************/
14 #include <linux/kernel.h>
15 #include <linux/module.h>
16 #include <linux/configfs.h>
23 * /config/dlm/<cluster>/spaces/<space>/nodes/<node>/nodeid
24 * /config/dlm/<cluster>/spaces/<space>/nodes/<node>/weight
25 * /config/dlm/<cluster>/comms/<comm>/nodeid
26 * /config/dlm/<cluster>/comms/<comm>/local
27 * /config/dlm/<cluster>/comms/<comm>/addr
28 * The <cluster> level is useless, but I haven't figured out how to avoid it.
31 static struct config_group *space_list;
32 static struct config_group *comm_list;
33 static struct comm *local_comm;
44 static struct config_group *make_cluster(struct config_group *, const char *);
45 static void drop_cluster(struct config_group *, struct config_item *);
46 static void release_cluster(struct config_item *);
47 static struct config_group *make_space(struct config_group *, const char *);
48 static void drop_space(struct config_group *, struct config_item *);
49 static void release_space(struct config_item *);
50 static struct config_item *make_comm(struct config_group *, const char *);
51 static void drop_comm(struct config_group *, struct config_item *);
52 static void release_comm(struct config_item *);
53 static struct config_item *make_node(struct config_group *, const char *);
54 static void drop_node(struct config_group *, struct config_item *);
55 static void release_node(struct config_item *);
57 static ssize_t show_cluster(struct config_item *i, struct configfs_attribute *a,
59 static ssize_t store_cluster(struct config_item *i,
60 struct configfs_attribute *a,
61 const char *buf, size_t len);
62 static ssize_t show_comm(struct config_item *i, struct configfs_attribute *a,
64 static ssize_t store_comm(struct config_item *i, struct configfs_attribute *a,
65 const char *buf, size_t len);
66 static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
68 static ssize_t store_node(struct config_item *i, struct configfs_attribute *a,
69 const char *buf, size_t len);
71 static ssize_t comm_nodeid_read(struct comm *cm, char *buf);
72 static ssize_t comm_nodeid_write(struct comm *cm, const char *buf, size_t len);
73 static ssize_t comm_local_read(struct comm *cm, char *buf);
74 static ssize_t comm_local_write(struct comm *cm, const char *buf, size_t len);
75 static ssize_t comm_addr_write(struct comm *cm, const char *buf, size_t len);
76 static ssize_t node_nodeid_read(struct node *nd, char *buf);
77 static ssize_t node_nodeid_write(struct node *nd, const char *buf, size_t len);
78 static ssize_t node_weight_read(struct node *nd, char *buf);
79 static ssize_t node_weight_write(struct node *nd, const char *buf, size_t len);
82 struct config_group group;
83 unsigned int cl_tcp_port;
84 unsigned int cl_buffer_size;
85 unsigned int cl_rsbtbl_size;
86 unsigned int cl_lkbtbl_size;
87 unsigned int cl_dirtbl_size;
88 unsigned int cl_recover_timer;
89 unsigned int cl_toss_secs;
90 unsigned int cl_scan_secs;
91 unsigned int cl_log_debug;
92 unsigned int cl_protocol;
93 unsigned int cl_timewarn_cs;
97 CLUSTER_ATTR_TCP_PORT = 0,
98 CLUSTER_ATTR_BUFFER_SIZE,
99 CLUSTER_ATTR_RSBTBL_SIZE,
100 CLUSTER_ATTR_LKBTBL_SIZE,
101 CLUSTER_ATTR_DIRTBL_SIZE,
102 CLUSTER_ATTR_RECOVER_TIMER,
103 CLUSTER_ATTR_TOSS_SECS,
104 CLUSTER_ATTR_SCAN_SECS,
105 CLUSTER_ATTR_LOG_DEBUG,
106 CLUSTER_ATTR_PROTOCOL,
107 CLUSTER_ATTR_TIMEWARN_CS,
110 struct cluster_attribute {
111 struct configfs_attribute attr;
112 ssize_t (*show)(struct cluster *, char *);
113 ssize_t (*store)(struct cluster *, const char *, size_t);
116 static ssize_t cluster_set(struct cluster *cl, unsigned int *cl_field,
117 int *info_field, int check_zero,
118 const char *buf, size_t len)
122 if (!capable(CAP_SYS_ADMIN))
125 x = simple_strtoul(buf, NULL, 0);
127 if (check_zero && !x)
136 #define CLUSTER_ATTR(name, check_zero) \
137 static ssize_t name##_write(struct cluster *cl, const char *buf, size_t len) \
139 return cluster_set(cl, &cl->cl_##name, &dlm_config.ci_##name, \
140 check_zero, buf, len); \
142 static ssize_t name##_read(struct cluster *cl, char *buf) \
144 return snprintf(buf, PAGE_SIZE, "%u\n", cl->cl_##name); \
146 static struct cluster_attribute cluster_attr_##name = \
147 __CONFIGFS_ATTR(name, 0644, name##_read, name##_write)
149 CLUSTER_ATTR(tcp_port, 1);
150 CLUSTER_ATTR(buffer_size, 1);
151 CLUSTER_ATTR(rsbtbl_size, 1);
152 CLUSTER_ATTR(lkbtbl_size, 1);
153 CLUSTER_ATTR(dirtbl_size, 1);
154 CLUSTER_ATTR(recover_timer, 1);
155 CLUSTER_ATTR(toss_secs, 1);
156 CLUSTER_ATTR(scan_secs, 1);
157 CLUSTER_ATTR(log_debug, 0);
158 CLUSTER_ATTR(protocol, 0);
159 CLUSTER_ATTR(timewarn_cs, 1);
161 static struct configfs_attribute *cluster_attrs[] = {
162 [CLUSTER_ATTR_TCP_PORT] = &cluster_attr_tcp_port.attr,
163 [CLUSTER_ATTR_BUFFER_SIZE] = &cluster_attr_buffer_size.attr,
164 [CLUSTER_ATTR_RSBTBL_SIZE] = &cluster_attr_rsbtbl_size.attr,
165 [CLUSTER_ATTR_LKBTBL_SIZE] = &cluster_attr_lkbtbl_size.attr,
166 [CLUSTER_ATTR_DIRTBL_SIZE] = &cluster_attr_dirtbl_size.attr,
167 [CLUSTER_ATTR_RECOVER_TIMER] = &cluster_attr_recover_timer.attr,
168 [CLUSTER_ATTR_TOSS_SECS] = &cluster_attr_toss_secs.attr,
169 [CLUSTER_ATTR_SCAN_SECS] = &cluster_attr_scan_secs.attr,
170 [CLUSTER_ATTR_LOG_DEBUG] = &cluster_attr_log_debug.attr,
171 [CLUSTER_ATTR_PROTOCOL] = &cluster_attr_protocol.attr,
172 [CLUSTER_ATTR_TIMEWARN_CS] = &cluster_attr_timewarn_cs.attr,
177 COMM_ATTR_NODEID = 0,
182 struct comm_attribute {
183 struct configfs_attribute attr;
184 ssize_t (*show)(struct comm *, char *);
185 ssize_t (*store)(struct comm *, const char *, size_t);
188 static struct comm_attribute comm_attr_nodeid = {
189 .attr = { .ca_owner = THIS_MODULE,
191 .ca_mode = S_IRUGO | S_IWUSR },
192 .show = comm_nodeid_read,
193 .store = comm_nodeid_write,
196 static struct comm_attribute comm_attr_local = {
197 .attr = { .ca_owner = THIS_MODULE,
199 .ca_mode = S_IRUGO | S_IWUSR },
200 .show = comm_local_read,
201 .store = comm_local_write,
204 static struct comm_attribute comm_attr_addr = {
205 .attr = { .ca_owner = THIS_MODULE,
207 .ca_mode = S_IRUGO | S_IWUSR },
208 .store = comm_addr_write,
211 static struct configfs_attribute *comm_attrs[] = {
212 [COMM_ATTR_NODEID] = &comm_attr_nodeid.attr,
213 [COMM_ATTR_LOCAL] = &comm_attr_local.attr,
214 [COMM_ATTR_ADDR] = &comm_attr_addr.attr,
219 NODE_ATTR_NODEID = 0,
223 struct node_attribute {
224 struct configfs_attribute attr;
225 ssize_t (*show)(struct node *, char *);
226 ssize_t (*store)(struct node *, const char *, size_t);
229 static struct node_attribute node_attr_nodeid = {
230 .attr = { .ca_owner = THIS_MODULE,
232 .ca_mode = S_IRUGO | S_IWUSR },
233 .show = node_nodeid_read,
234 .store = node_nodeid_write,
237 static struct node_attribute node_attr_weight = {
238 .attr = { .ca_owner = THIS_MODULE,
240 .ca_mode = S_IRUGO | S_IWUSR },
241 .show = node_weight_read,
242 .store = node_weight_write,
245 static struct configfs_attribute *node_attrs[] = {
246 [NODE_ATTR_NODEID] = &node_attr_nodeid.attr,
247 [NODE_ATTR_WEIGHT] = &node_attr_weight.attr,
252 struct configfs_subsystem subsys;
256 struct config_group ss_group;
260 struct config_group group;
261 struct list_head members;
262 struct mutex members_lock;
267 struct config_group cs_group;
271 struct config_item item;
275 struct sockaddr_storage *addr[DLM_MAX_ADDR_COUNT];
279 struct config_group ns_group;
283 struct config_item item;
284 struct list_head list; /* space->members */
290 static struct configfs_group_operations clusters_ops = {
291 .make_group = make_cluster,
292 .drop_item = drop_cluster,
295 static struct configfs_item_operations cluster_ops = {
296 .release = release_cluster,
297 .show_attribute = show_cluster,
298 .store_attribute = store_cluster,
301 static struct configfs_group_operations spaces_ops = {
302 .make_group = make_space,
303 .drop_item = drop_space,
306 static struct configfs_item_operations space_ops = {
307 .release = release_space,
310 static struct configfs_group_operations comms_ops = {
311 .make_item = make_comm,
312 .drop_item = drop_comm,
315 static struct configfs_item_operations comm_ops = {
316 .release = release_comm,
317 .show_attribute = show_comm,
318 .store_attribute = store_comm,
321 static struct configfs_group_operations nodes_ops = {
322 .make_item = make_node,
323 .drop_item = drop_node,
326 static struct configfs_item_operations node_ops = {
327 .release = release_node,
328 .show_attribute = show_node,
329 .store_attribute = store_node,
332 static struct config_item_type clusters_type = {
333 .ct_group_ops = &clusters_ops,
334 .ct_owner = THIS_MODULE,
337 static struct config_item_type cluster_type = {
338 .ct_item_ops = &cluster_ops,
339 .ct_attrs = cluster_attrs,
340 .ct_owner = THIS_MODULE,
343 static struct config_item_type spaces_type = {
344 .ct_group_ops = &spaces_ops,
345 .ct_owner = THIS_MODULE,
348 static struct config_item_type space_type = {
349 .ct_item_ops = &space_ops,
350 .ct_owner = THIS_MODULE,
353 static struct config_item_type comms_type = {
354 .ct_group_ops = &comms_ops,
355 .ct_owner = THIS_MODULE,
358 static struct config_item_type comm_type = {
359 .ct_item_ops = &comm_ops,
360 .ct_attrs = comm_attrs,
361 .ct_owner = THIS_MODULE,
364 static struct config_item_type nodes_type = {
365 .ct_group_ops = &nodes_ops,
366 .ct_owner = THIS_MODULE,
369 static struct config_item_type node_type = {
370 .ct_item_ops = &node_ops,
371 .ct_attrs = node_attrs,
372 .ct_owner = THIS_MODULE,
375 static struct cluster *to_cluster(struct config_item *i)
377 return i ? container_of(to_config_group(i), struct cluster, group):NULL;
380 static struct space *to_space(struct config_item *i)
382 return i ? container_of(to_config_group(i), struct space, group) : NULL;
385 static struct comm *to_comm(struct config_item *i)
387 return i ? container_of(i, struct comm, item) : NULL;
390 static struct node *to_node(struct config_item *i)
392 return i ? container_of(i, struct node, item) : NULL;
395 static struct config_group *make_cluster(struct config_group *g,
398 struct cluster *cl = NULL;
399 struct spaces *sps = NULL;
400 struct comms *cms = NULL;
403 cl = kzalloc(sizeof(struct cluster), GFP_KERNEL);
404 gps = kcalloc(3, sizeof(struct config_group *), GFP_KERNEL);
405 sps = kzalloc(sizeof(struct spaces), GFP_KERNEL);
406 cms = kzalloc(sizeof(struct comms), GFP_KERNEL);
408 if (!cl || !gps || !sps || !cms)
411 config_group_init_type_name(&cl->group, name, &cluster_type);
412 config_group_init_type_name(&sps->ss_group, "spaces", &spaces_type);
413 config_group_init_type_name(&cms->cs_group, "comms", &comms_type);
415 cl->group.default_groups = gps;
416 cl->group.default_groups[0] = &sps->ss_group;
417 cl->group.default_groups[1] = &cms->cs_group;
418 cl->group.default_groups[2] = NULL;
420 cl->cl_tcp_port = dlm_config.ci_tcp_port;
421 cl->cl_buffer_size = dlm_config.ci_buffer_size;
422 cl->cl_rsbtbl_size = dlm_config.ci_rsbtbl_size;
423 cl->cl_lkbtbl_size = dlm_config.ci_lkbtbl_size;
424 cl->cl_dirtbl_size = dlm_config.ci_dirtbl_size;
425 cl->cl_recover_timer = dlm_config.ci_recover_timer;
426 cl->cl_toss_secs = dlm_config.ci_toss_secs;
427 cl->cl_scan_secs = dlm_config.ci_scan_secs;
428 cl->cl_log_debug = dlm_config.ci_log_debug;
429 cl->cl_protocol = dlm_config.ci_protocol;
430 cl->cl_timewarn_cs = dlm_config.ci_timewarn_cs;
432 space_list = &sps->ss_group;
433 comm_list = &cms->cs_group;
441 return ERR_PTR(-ENOMEM);
444 static void drop_cluster(struct config_group *g, struct config_item *i)
446 struct cluster *cl = to_cluster(i);
447 struct config_item *tmp;
450 for (j = 0; cl->group.default_groups[j]; j++) {
451 tmp = &cl->group.default_groups[j]->cg_item;
452 cl->group.default_groups[j] = NULL;
453 config_item_put(tmp);
462 static void release_cluster(struct config_item *i)
464 struct cluster *cl = to_cluster(i);
465 kfree(cl->group.default_groups);
469 static struct config_group *make_space(struct config_group *g, const char *name)
471 struct space *sp = NULL;
472 struct nodes *nds = NULL;
475 sp = kzalloc(sizeof(struct space), GFP_KERNEL);
476 gps = kcalloc(2, sizeof(struct config_group *), GFP_KERNEL);
477 nds = kzalloc(sizeof(struct nodes), GFP_KERNEL);
479 if (!sp || !gps || !nds)
482 config_group_init_type_name(&sp->group, name, &space_type);
483 config_group_init_type_name(&nds->ns_group, "nodes", &nodes_type);
485 sp->group.default_groups = gps;
486 sp->group.default_groups[0] = &nds->ns_group;
487 sp->group.default_groups[1] = NULL;
489 INIT_LIST_HEAD(&sp->members);
490 mutex_init(&sp->members_lock);
491 sp->members_count = 0;
498 return ERR_PTR(-ENOMEM);
501 static void drop_space(struct config_group *g, struct config_item *i)
503 struct space *sp = to_space(i);
504 struct config_item *tmp;
507 /* assert list_empty(&sp->members) */
509 for (j = 0; sp->group.default_groups[j]; j++) {
510 tmp = &sp->group.default_groups[j]->cg_item;
511 sp->group.default_groups[j] = NULL;
512 config_item_put(tmp);
518 static void release_space(struct config_item *i)
520 struct space *sp = to_space(i);
521 kfree(sp->group.default_groups);
525 static struct config_item *make_comm(struct config_group *g, const char *name)
529 cm = kzalloc(sizeof(struct comm), GFP_KERNEL);
531 return ERR_PTR(-ENOMEM);
533 config_item_init_type_name(&cm->item, name, &comm_type);
540 static void drop_comm(struct config_group *g, struct config_item *i)
542 struct comm *cm = to_comm(i);
543 if (local_comm == cm)
545 dlm_lowcomms_close(cm->nodeid);
546 while (cm->addr_count--)
547 kfree(cm->addr[cm->addr_count]);
551 static void release_comm(struct config_item *i)
553 struct comm *cm = to_comm(i);
557 static struct config_item *make_node(struct config_group *g, const char *name)
559 struct space *sp = to_space(g->cg_item.ci_parent);
562 nd = kzalloc(sizeof(struct node), GFP_KERNEL);
564 return ERR_PTR(-ENOMEM);
566 config_item_init_type_name(&nd->item, name, &node_type);
568 nd->weight = 1; /* default weight of 1 if none is set */
569 nd->new = 1; /* set to 0 once it's been read by dlm_nodeid_list() */
571 mutex_lock(&sp->members_lock);
572 list_add(&nd->list, &sp->members);
574 mutex_unlock(&sp->members_lock);
579 static void drop_node(struct config_group *g, struct config_item *i)
581 struct space *sp = to_space(g->cg_item.ci_parent);
582 struct node *nd = to_node(i);
584 mutex_lock(&sp->members_lock);
587 mutex_unlock(&sp->members_lock);
592 static void release_node(struct config_item *i)
594 struct node *nd = to_node(i);
598 static struct clusters clusters_root = {
603 .ci_type = &clusters_type,
609 int __init dlm_config_init(void)
611 config_group_init(&clusters_root.subsys.su_group);
612 mutex_init(&clusters_root.subsys.su_mutex);
613 return configfs_register_subsystem(&clusters_root.subsys);
616 void dlm_config_exit(void)
618 configfs_unregister_subsystem(&clusters_root.subsys);
622 * Functions for user space to read/write attributes
625 static ssize_t show_cluster(struct config_item *i, struct configfs_attribute *a,
628 struct cluster *cl = to_cluster(i);
629 struct cluster_attribute *cla =
630 container_of(a, struct cluster_attribute, attr);
631 return cla->show ? cla->show(cl, buf) : 0;
634 static ssize_t store_cluster(struct config_item *i,
635 struct configfs_attribute *a,
636 const char *buf, size_t len)
638 struct cluster *cl = to_cluster(i);
639 struct cluster_attribute *cla =
640 container_of(a, struct cluster_attribute, attr);
641 return cla->store ? cla->store(cl, buf, len) : -EINVAL;
644 static ssize_t show_comm(struct config_item *i, struct configfs_attribute *a,
647 struct comm *cm = to_comm(i);
648 struct comm_attribute *cma =
649 container_of(a, struct comm_attribute, attr);
650 return cma->show ? cma->show(cm, buf) : 0;
653 static ssize_t store_comm(struct config_item *i, struct configfs_attribute *a,
654 const char *buf, size_t len)
656 struct comm *cm = to_comm(i);
657 struct comm_attribute *cma =
658 container_of(a, struct comm_attribute, attr);
659 return cma->store ? cma->store(cm, buf, len) : -EINVAL;
662 static ssize_t comm_nodeid_read(struct comm *cm, char *buf)
664 return sprintf(buf, "%d\n", cm->nodeid);
667 static ssize_t comm_nodeid_write(struct comm *cm, const char *buf, size_t len)
669 cm->nodeid = simple_strtol(buf, NULL, 0);
673 static ssize_t comm_local_read(struct comm *cm, char *buf)
675 return sprintf(buf, "%d\n", cm->local);
678 static ssize_t comm_local_write(struct comm *cm, const char *buf, size_t len)
680 cm->local= simple_strtol(buf, NULL, 0);
681 if (cm->local && !local_comm)
686 static ssize_t comm_addr_write(struct comm *cm, const char *buf, size_t len)
688 struct sockaddr_storage *addr;
690 if (len != sizeof(struct sockaddr_storage))
693 if (cm->addr_count >= DLM_MAX_ADDR_COUNT)
696 addr = kzalloc(sizeof(*addr), GFP_KERNEL);
700 memcpy(addr, buf, len);
701 cm->addr[cm->addr_count++] = addr;
705 static ssize_t show_node(struct config_item *i, struct configfs_attribute *a,
708 struct node *nd = to_node(i);
709 struct node_attribute *nda =
710 container_of(a, struct node_attribute, attr);
711 return nda->show ? nda->show(nd, buf) : 0;
714 static ssize_t store_node(struct config_item *i, struct configfs_attribute *a,
715 const char *buf, size_t len)
717 struct node *nd = to_node(i);
718 struct node_attribute *nda =
719 container_of(a, struct node_attribute, attr);
720 return nda->store ? nda->store(nd, buf, len) : -EINVAL;
723 static ssize_t node_nodeid_read(struct node *nd, char *buf)
725 return sprintf(buf, "%d\n", nd->nodeid);
728 static ssize_t node_nodeid_write(struct node *nd, const char *buf, size_t len)
730 nd->nodeid = simple_strtol(buf, NULL, 0);
734 static ssize_t node_weight_read(struct node *nd, char *buf)
736 return sprintf(buf, "%d\n", nd->weight);
739 static ssize_t node_weight_write(struct node *nd, const char *buf, size_t len)
741 nd->weight = simple_strtol(buf, NULL, 0);
746 * Functions for the dlm to get the info that's been configured
749 static struct space *get_space(char *name)
751 struct config_item *i;
756 mutex_lock(&space_list->cg_subsys->su_mutex);
757 i = config_group_find_item(space_list, name);
758 mutex_unlock(&space_list->cg_subsys->su_mutex);
763 static void put_space(struct space *sp)
765 config_item_put(&sp->group.cg_item);
768 static struct comm *get_comm(int nodeid, struct sockaddr_storage *addr)
770 struct config_item *i;
771 struct comm *cm = NULL;
777 mutex_lock(&clusters_root.subsys.su_mutex);
779 list_for_each_entry(i, &comm_list->cg_children, ci_entry) {
783 if (cm->nodeid != nodeid)
789 if (!cm->addr_count ||
790 memcmp(cm->addr[0], addr, sizeof(*addr)))
797 mutex_unlock(&clusters_root.subsys.su_mutex);
804 static void put_comm(struct comm *cm)
806 config_item_put(&cm->item);
809 /* caller must free mem */
810 int dlm_nodeid_list(char *lsname, int **ids_out, int *ids_count_out,
811 int **new_out, int *new_count_out)
815 int i = 0, rv = 0, ids_count = 0, new_count = 0;
818 sp = get_space(lsname);
822 mutex_lock(&sp->members_lock);
823 if (!sp->members_count) {
825 printk(KERN_ERR "dlm: zero members_count\n");
829 ids_count = sp->members_count;
831 ids = kcalloc(ids_count, sizeof(int), GFP_KERNEL);
837 list_for_each_entry(nd, &sp->members, list) {
838 ids[i++] = nd->nodeid;
844 printk(KERN_ERR "dlm: bad nodeid count %d %d\n", ids_count, i);
849 new = kcalloc(new_count, sizeof(int), GFP_KERNEL);
857 list_for_each_entry(nd, &sp->members, list) {
859 new[i++] = nd->nodeid;
863 *new_count_out = new_count;
867 *ids_count_out = ids_count;
870 mutex_unlock(&sp->members_lock);
875 int dlm_node_weight(char *lsname, int nodeid)
881 sp = get_space(lsname);
885 mutex_lock(&sp->members_lock);
886 list_for_each_entry(nd, &sp->members, list) {
887 if (nd->nodeid != nodeid)
892 mutex_unlock(&sp->members_lock);
898 int dlm_nodeid_to_addr(int nodeid, struct sockaddr_storage *addr)
900 struct comm *cm = get_comm(nodeid, NULL);
905 memcpy(addr, cm->addr[0], sizeof(*addr));
910 int dlm_addr_to_nodeid(struct sockaddr_storage *addr, int *nodeid)
912 struct comm *cm = get_comm(0, addr);
915 *nodeid = cm->nodeid;
920 int dlm_our_nodeid(void)
922 return local_comm ? local_comm->nodeid : 0;
925 /* num 0 is first addr, num 1 is second addr */
926 int dlm_our_addr(struct sockaddr_storage *addr, int num)
930 if (num + 1 > local_comm->addr_count)
932 memcpy(addr, local_comm->addr[num], sizeof(*addr));
936 /* Config file defaults */
937 #define DEFAULT_TCP_PORT 21064
938 #define DEFAULT_BUFFER_SIZE 4096
939 #define DEFAULT_RSBTBL_SIZE 256
940 #define DEFAULT_LKBTBL_SIZE 1024
941 #define DEFAULT_DIRTBL_SIZE 512
942 #define DEFAULT_RECOVER_TIMER 5
943 #define DEFAULT_TOSS_SECS 10
944 #define DEFAULT_SCAN_SECS 5
945 #define DEFAULT_LOG_DEBUG 0
946 #define DEFAULT_PROTOCOL 0
947 #define DEFAULT_TIMEWARN_CS 500 /* 5 sec = 500 centiseconds */
949 struct dlm_config_info dlm_config = {
950 .ci_tcp_port = DEFAULT_TCP_PORT,
951 .ci_buffer_size = DEFAULT_BUFFER_SIZE,
952 .ci_rsbtbl_size = DEFAULT_RSBTBL_SIZE,
953 .ci_lkbtbl_size = DEFAULT_LKBTBL_SIZE,
954 .ci_dirtbl_size = DEFAULT_DIRTBL_SIZE,
955 .ci_recover_timer = DEFAULT_RECOVER_TIMER,
956 .ci_toss_secs = DEFAULT_TOSS_SECS,
957 .ci_scan_secs = DEFAULT_SCAN_SECS,
958 .ci_log_debug = DEFAULT_LOG_DEBUG,
959 .ci_protocol = DEFAULT_PROTOCOL,
960 .ci_timewarn_cs = DEFAULT_TIMEWARN_CS