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* Copyright 2004-2012 Red Hat, Inc.
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU General Public License v2 or (at your option) any later version.
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#ifndef _LIBDLMCONTROL_H_
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#define _LIBDLMCONTROL_H_
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#define DLMC_DUMP_SIZE (1024 * 1024)
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#define DLMC_NF_MEMBER 0x00000001 /* node is member in cg */
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#define DLMC_NF_START 0x00000002 /* start message recvd for cg */
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#define DLMC_NF_DISALLOWED 0x00000004 /* node disallowed in cg */
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#define DLMC_NF_NEED_FENCING 0x00000008
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#define DLMC_NF_CHECK_FS 0x00000010
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uint64_t fail_walltime;
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uint64_t fail_monotime;
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#define DLMC_LS_WAIT_RINGID 1
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#define DLMC_LS_WAIT_QUORUM 2
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#define DLMC_LS_WAIT_FENCING 3
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#define DLMC_LS_WAIT_FSDONE 4
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int wait_condition; /* DLMC_LS_WAIT or needed message count */
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int wait_messages; /* 0 no, 1 yes */
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uint32_t combined_seq;
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#define DLMC_LF_JOINING 0x00000001
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#define DLMC_LF_LEAVING 0x00000002
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#define DLMC_LF_KERNEL_STOPPED 0x00000004
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#define DLMC_LF_FS_REGISTERED 0x00000008
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#define DLMC_LF_NEED_PLOCKS 0x00000010
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#define DLMC_LF_SAVE_PLOCKS 0x00000020
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struct dlmc_lockspace {
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struct dlmc_change cg_prev; /* completed change (started_change) */
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struct dlmc_change cg_next; /* in-progress change (changes list) */
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char name[DLM_LOCKSPACE_LEN+1];
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/* dlmc_lockspace_nodes() types
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MEMBERS: members in completed (prev) change,
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zero if there's no completed (prev) change
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NEXT: members in in-progress (next) change,
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zero if there's no in-progress (next) change
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ALL: NEXT + nonmembers if there's an in-progress (next) change,
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MEMBERS + nonmembers if there's no in-progress (next) change, but
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there is a completed (prev) change
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nonmembers if there's no in-progress (next) or completed (prev)
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dlmc_node_info() returns info for in-progress (next) change, if one exists,
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otherwise it returns info for completed (prev) change.
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#define DLMC_NODES_ALL 1
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#define DLMC_NODES_MEMBERS 2
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#define DLMC_NODES_NEXT 3
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#define DLMC_STATUS_VERBOSE 0x00000001
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int dlmc_dump_debug(char *buf);
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int dlmc_dump_config(char *buf);
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int dlmc_dump_log_plock(char *buf);
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int dlmc_dump_plocks(char *name, char *buf);
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int dlmc_lockspace_info(char *lsname, struct dlmc_lockspace *ls);
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int dlmc_node_info(char *lsname, int nodeid, struct dlmc_node *node);
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int dlmc_lockspaces(int max, int *count, struct dlmc_lockspace *lss);
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int dlmc_lockspace_nodes(char *lsname, int type, int max, int *count,
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struct dlmc_node *nodes);
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int dlmc_print_status(uint32_t flags);
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#define DLMC_RESULT_REGISTER 1
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#define DLMC_RESULT_NOTIFIED 2
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int dlmc_fs_connect(void);
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void dlmc_fs_disconnect(int fd);
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int dlmc_fs_register(int fd, char *name);
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int dlmc_fs_unregister(int fd, char *name);
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int dlmc_fs_notified(int fd, char *name, int nodeid);
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int dlmc_fs_result(int fd, char *name, int *type, int *nodeid, int *result);
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int dlmc_deadlock_check(char *name);
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int dlmc_fence_ack(char *name);
added
removed
dlm_controld/libdlmcontrol.h
