[deliverable/linux.git] / drivers / staging / lustre / lnet / selftest / console.h

/*
 * GPL HEADER START
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 only,
 * as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License version 2 for more details (a copy is included
 * in the LICENSE file that accompanied this code).
 *
 * You should have received a copy of the GNU General Public License
 * version 2 along with this program; If not, see
 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
 *
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
 * CA 95054 USA or visit www.sun.com if you need additional information or
 * have any questions.
 *
 * GPL HEADER END
 */
/*
 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
 * Use is subject to license terms.
 *
 * Copyright (c) 2011, 2012, Intel Corporation.
 */
/*
 * This file is part of Lustre, http://www.lustre.org/
 * Lustre is a trademark of Sun Microsystems, Inc.
 *
 * lnet/selftest/console.h
 *
 * kernel structure for LST console
 *
 * Author: Liang Zhen <liangzhen@clusterfs.com>
 */

#ifndef __LST_CONSOLE_H__
#define __LST_CONSOLE_H__


#include "../../include/linux/libcfs/libcfs.h"
#include "../../include/linux/lnet/lnet.h"
#include "../../include/linux/lnet/lib-types.h"
#include "../../include/linux/lnet/lnetst.h"
#include "selftest.h"
#include "conrpc.h"

typedef struct lstcon_node {
	lnet_process_id_t nd_id;      /* id of the node */
	int               nd_ref;     /* reference count */
	int               nd_state;   /* state of the node */
	int               nd_timeout; /* session timeout */
	unsigned long     nd_stamp;   /* timestamp of last replied RPC */
	struct lstcon_rpc nd_ping;    /* ping rpc */
} lstcon_node_t; /* node descriptor */

typedef struct {
	struct list_head ndl_link;    /* chain on list */
	struct list_head ndl_hlink;   /* chain on hash */
	lstcon_node_t    *ndl_node;   /* pointer to node */
} lstcon_ndlink_t; /* node link descriptor */

typedef struct {
	struct list_head grp_link;                /* chain on global group list
						   */
	int              grp_ref;                 /* reference count */
	int              grp_userland;            /* has userland nodes */
	int              grp_nnode;               /* # of nodes */
	char             grp_name[LST_NAME_SIZE]; /* group name */

	struct list_head grp_trans_list;          /* transaction list */
	struct list_head grp_ndl_list;            /* nodes list */
	struct list_head grp_ndl_hash[0];         /* hash table for nodes */
} lstcon_group_t; /* (alias of nodes) group descriptor */

#define LST_BATCH_IDLE    0xB0	    /* idle batch */
#define LST_BATCH_RUNNING 0xB1	    /* running batch */

typedef struct lstcon_tsb_hdr {
	lst_bid_t        tsb_id;	 /* batch ID */
	int              tsb_index;      /* test index */
} lstcon_tsb_hdr_t;

typedef struct {
	lstcon_tsb_hdr_t bat_hdr;         /* test_batch header */
	struct list_head bat_link;        /* chain on session's batches list */
	int              bat_ntest;       /* # of test */
	int              bat_state;       /* state of the batch */
	int              bat_arg;         /* parameter for run|stop, timeout
					   * for run, force for stop */
	char             bat_name[LST_NAME_SIZE];/* name of batch */

	struct list_head bat_test_list;   /* list head of tests (lstcon_test_t)
					   */
	struct list_head bat_trans_list;  /* list head of transaction */
	struct list_head bat_cli_list;    /* list head of client nodes
					   * (lstcon_node_t) */
	struct list_head *bat_cli_hash;   /* hash table of client nodes */
	struct list_head bat_srv_list;    /* list head of server nodes */
	struct list_head *bat_srv_hash;   /* hash table of server nodes */
} lstcon_batch_t; /* (tests ) batch descriptor */

typedef struct lstcon_test {
	lstcon_tsb_hdr_t tes_hdr;        /* test batch header */
	struct list_head tes_link;       /* chain on batch's tests list */
	lstcon_batch_t   *tes_batch;     /* pointer to batch */

	int              tes_type;       /* type of the test, i.e: bulk, ping */
	int              tes_stop_onerr; /* stop on error */
	int              tes_oneside;    /* one-sided test */
	int              tes_concur;     /* concurrency */
	int              tes_loop;       /* loop count */
	int              tes_dist;       /* nodes distribution of target group */
	int              tes_span;       /* nodes span of target group */
	int              tes_cliidx;     /* client index, used for RPC creating */

	struct list_head tes_trans_list; /* transaction list */
	lstcon_group_t   *tes_src_grp;   /* group run the test */
	lstcon_group_t   *tes_dst_grp;   /* target group */

	int              tes_paramlen;   /* test parameter length */
	char             tes_param[0];   /* test parameter */
} lstcon_test_t; /* a single test descriptor */

#define LST_GLOBAL_HASHSIZE 503	     /* global nodes hash table size */
#define LST_NODE_HASHSIZE   239	     /* node hash table (for batch or group) */

#define LST_SESSION_NONE    0x0	     /* no session */
#define LST_SESSION_ACTIVE  0x1	     /* working session */

#define LST_CONSOLE_TIMEOUT 300	     /* default console timeout */

typedef struct {
	struct mutex        ses_mutex;        /* only 1 thread in session */
	lst_sid_t           ses_id;           /* global session id */
	int                 ses_key;          /* local session key */
	int                 ses_state;        /* state of session */
	int                 ses_timeout;      /* timeout in seconds */
	time64_t            ses_laststamp;    /* last operation stamp (seconds)
					       */
	unsigned            ses_features;     /* tests features of the session
					       */
	unsigned            ses_feats_updated:1; /* features are synced with
						  * remote test nodes */
	unsigned            ses_force:1;      /* force creating */
	unsigned            ses_shutdown:1;   /* session is shutting down */
	unsigned            ses_expired:1;    /* console is timedout */
	__u64               ses_id_cookie;    /* batch id cookie */
	char                ses_name[LST_NAME_SIZE];/* session name */
	lstcon_rpc_trans_t  *ses_ping;        /* session pinger */
	stt_timer_t         ses_ping_timer;   /* timer for pinger */
	lstcon_trans_stat_t ses_trans_stat;   /* transaction stats */

	struct list_head    ses_trans_list;   /* global list of transaction */
	struct list_head    ses_grp_list;     /* global list of groups */
	struct list_head    ses_bat_list;     /* global list of batches */
	struct list_head    ses_ndl_list;     /* global list of nodes */
	struct list_head    *ses_ndl_hash;    /* hash table of nodes */

	spinlock_t          ses_rpc_lock;     /* serialize */
	atomic_t            ses_rpc_counter;  /* # of initialized RPCs */
	struct list_head    ses_rpc_freelist; /* idle console rpc */
} lstcon_session_t; /* session descriptor */

extern lstcon_session_t	 console_session;

static inline lstcon_trans_stat_t *
lstcon_trans_stat(void)
{
	return &console_session.ses_trans_stat;
}

static inline struct list_head *
lstcon_id2hash (lnet_process_id_t id, struct list_head *hash)
{
	unsigned int idx = LNET_NIDADDR(id.nid) % LST_NODE_HASHSIZE;

	return &hash[idx];
}

int lstcon_console_init(void);
int lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_data *data);
int lstcon_console_fini(void);
int lstcon_session_match(lst_sid_t sid);
int lstcon_session_new(char *name, int key, unsigned version,
		       int timeout, int flags, lst_sid_t *sid_up);
int lstcon_session_info(lst_sid_t *sid_up, int *key, unsigned *verp,
			lstcon_ndlist_ent_t *entp, char *name_up, int len);
int lstcon_session_end(void);
int lstcon_session_debug(int timeout, struct list_head *result_up);
int lstcon_session_feats_check(unsigned feats);
int lstcon_batch_debug(int timeout, char *name,
		       int client, struct list_head *result_up);
int lstcon_group_debug(int timeout, char *name,
		       struct list_head *result_up);
int lstcon_nodes_debug(int timeout, int nnd, lnet_process_id_t *nds_up,
		       struct list_head *result_up);
int lstcon_group_add(char *name);
int lstcon_group_del(char *name);
int lstcon_group_clean(char *name, int args);
int lstcon_group_refresh(char *name, struct list_head *result_up);
int lstcon_nodes_add(char *name, int nnd, lnet_process_id_t *nds_up,
		     unsigned *featp, struct list_head *result_up);
int lstcon_nodes_remove(char *name, int nnd, lnet_process_id_t *nds_up,
			struct list_head *result_up);
int lstcon_group_info(char *name, lstcon_ndlist_ent_t *gent_up,
		      int *index_p, int *ndent_p, lstcon_node_ent_t *ndents_up);
int lstcon_group_list(int idx, int len, char *name_up);
int lstcon_batch_add(char *name);
int lstcon_batch_run(char *name, int timeout, struct list_head *result_up);
int lstcon_batch_stop(char *name, int force, struct list_head *result_up);
int lstcon_test_batch_query(char *name, int testidx,
			    int client, int timeout,
			    struct list_head *result_up);
int lstcon_batch_del(char *name);
int lstcon_batch_list(int idx, int namelen, char *name_up);
int lstcon_batch_info(char *name, lstcon_test_batch_ent_t *ent_up,
		      int server, int testidx, int *index_p,
		      int *ndent_p, lstcon_node_ent_t *dents_up);
int lstcon_group_stat(char *grp_name, int timeout,
		      struct list_head *result_up);
int lstcon_nodes_stat(int count, lnet_process_id_t *ids_up,
		      int timeout, struct list_head *result_up);
int lstcon_test_add(char *batch_name, int type, int loop,
		    int concur, int dist, int span,
		    char *src_name, char *dst_name,
		    void *param, int paramlen, int *retp,
		    struct list_head *result_up);
#endif
Commit	Line	Data
d7e09d03 PT	1	/*
	2	* GPL HEADER START
	3	*
	4	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2 only,
	8	* as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but
	11	* WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	13	* General Public License version 2 for more details (a copy is included
	14	* in the LICENSE file that accompanied this code).
	15	*
	16	* You should have received a copy of the GNU General Public License
	17	* version 2 along with this program; If not, see
	18	* http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
	19	*
	20	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
	21	* CA 95054 USA or visit www.sun.com if you need additional information or
	22	* have any questions.
	23	*
	24	* GPL HEADER END
	25	*/
	26	/*
	27	* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
	28	* Use is subject to license terms.
	29	*
	30	* Copyright (c) 2011, 2012, Intel Corporation.
	31	*/
	32	/*
	33	* This file is part of Lustre, http://www.lustre.org/
	34	* Lustre is a trademark of Sun Microsystems, Inc.
	35	*
	36	* lnet/selftest/console.h
	37	*
	38	* kernel structure for LST console
	39	*
	40	* Author: Liang Zhen <liangzhen@clusterfs.com>
	41	*/
	42
	43	#ifndef __LST_CONSOLE_H__
	44	#define __LST_CONSOLE_H__
	45
	46
9fdaf8c0 GKH	47	#include "../../include/linux/libcfs/libcfs.h"
	48	#include "../../include/linux/lnet/lnet.h"
	49	#include "../../include/linux/lnet/lib-types.h"
	50	#include "../../include/linux/lnet/lnetst.h"
d7e09d03 PT	51	#include "selftest.h"
	52	#include "conrpc.h"
	53
	54	typedef struct lstcon_node {
74d68011 MS	55	lnet_process_id_t nd_id; /* id of the node */
	56	int nd_ref; /* reference count */
	57	int nd_state; /* state of the node */
	58	int nd_timeout; /* session timeout */
	59	unsigned long nd_stamp; /* timestamp of last replied RPC */
	60	struct lstcon_rpc nd_ping; /* ping rpc */
	61	} lstcon_node_t; /* node descriptor */
d7e09d03 PT	62
d7e09d03 PT	63	typedef struct {
74d68011 MS	64	struct list_head ndl_link; /* chain on list */
	65	struct list_head ndl_hlink; /* chain on hash */
	66	lstcon_node_t ndl_node; / pointer to node */
	67	} lstcon_ndlink_t; /* node link descriptor */
d7e09d03 PT	68
d7e09d03 PT	69	typedef struct {
74d68011 MS	70	struct list_head grp_link; /* chain on global group list
	71	*/
	72	int grp_ref; /* reference count */
	73	int grp_userland; /* has userland nodes */
	74	int grp_nnode; /* # of nodes */
	75	char grp_name[LST_NAME_SIZE]; /* group name */
d7e09d03	76
74d68011 MS	77	struct list_head grp_trans_list; /* transaction list */
	78	struct list_head grp_ndl_list; /* nodes list */
	79	struct list_head grp_ndl_hash[0]; /* hash table for nodes */
	80	} lstcon_group_t; /* (alias of nodes) group descriptor */
d7e09d03	81
74d68011 MS	82	#define LST_BATCH_IDLE 0xB0 /* idle batch */
74d68011 MS	83	#define LST_BATCH_RUNNING 0xB1 /* running batch */
d7e09d03 PT	84
d7e09d03 PT	85	typedef struct lstcon_tsb_hdr {
74d68011 MS	86	lst_bid_t tsb_id; /* batch ID */
74d68011 MS	87	int tsb_index; /* test index */
d7e09d03 PT	88	} lstcon_tsb_hdr_t;
	89
	90	typedef struct {
74d68011 MS	91	lstcon_tsb_hdr_t bat_hdr; /* test_batch header */
	92	struct list_head bat_link; /* chain on session's batches list */
	93	int bat_ntest; /* # of test */
	94	int bat_state; /* state of the batch */
	95	int bat_arg; /* parameter for run\|stop, timeout
	96	* for run, force for stop */
	97	char bat_name[LST_NAME_SIZE];/* name of batch */
	98
	99	struct list_head bat_test_list; /* list head of tests (lstcon_test_t)
	100	*/
	101	struct list_head bat_trans_list; /* list head of transaction */
	102	struct list_head bat_cli_list; /* list head of client nodes
	103	* (lstcon_node_t) */
	104	struct list_head bat_cli_hash; / hash table of client nodes */
	105	struct list_head bat_srv_list; /* list head of server nodes */
	106	struct list_head bat_srv_hash; / hash table of server nodes */
	107	} lstcon_batch_t; /* (tests ) batch descriptor */
d7e09d03 PT	108
d7e09d03 PT	109	typedef struct lstcon_test {
74d68011 MS	110	lstcon_tsb_hdr_t tes_hdr; /* test batch header */
	111	struct list_head tes_link; /* chain on batch's tests list */
	112	lstcon_batch_t tes_batch; / pointer to batch */
d7e09d03	113
74d68011 MS	114	int tes_type; /* type of the test, i.e: bulk, ping */
	115	int tes_stop_onerr; /* stop on error */
	116	int tes_oneside; /* one-sided test */
	117	int tes_concur; /* concurrency */
	118	int tes_loop; /* loop count */
	119	int tes_dist; /* nodes distribution of target group */
	120	int tes_span; /* nodes span of target group */
	121	int tes_cliidx; /* client index, used for RPC creating */
d7e09d03	122
74d68011 MS	123	struct list_head tes_trans_list; /* transaction list */
	124	lstcon_group_t tes_src_grp; / group run the test */
	125	lstcon_group_t tes_dst_grp; / target group */
d7e09d03	126
74d68011 MS	127	int tes_paramlen; /* test parameter length */
	128	char tes_param[0]; /* test parameter */
	129	} lstcon_test_t; /* a single test descriptor */
d7e09d03	130
74d68011 MS	131	#define LST_GLOBAL_HASHSIZE 503 /* global nodes hash table size */
74d68011 MS	132	#define LST_NODE_HASHSIZE 239 /* node hash table (for batch or group) */
d7e09d03	133
74d68011 MS	134	#define LST_SESSION_NONE 0x0 /* no session */
74d68011 MS	135	#define LST_SESSION_ACTIVE 0x1 /* working session */
d7e09d03	136
74d68011	137	#define LST_CONSOLE_TIMEOUT 300 /* default console timeout */
d7e09d03 PT	138
d7e09d03 PT	139	typedef struct {
74d68011 MS	140	struct mutex ses_mutex; /* only 1 thread in session */
	141	lst_sid_t ses_id; /* global session id */
	142	int ses_key; /* local session key */
	143	int ses_state; /* state of session */
	144	int ses_timeout; /* timeout in seconds */
d9f79e6b	145	time64_t ses_laststamp; /* last operation stamp (seconds)
74d68011 MS	146	*/
	147	unsigned ses_features; /* tests features of the session
	148	*/
	149	unsigned ses_feats_updated:1; /* features are synced with
	150	* remote test nodes */
	151	unsigned ses_force:1; /* force creating */
	152	unsigned ses_shutdown:1; /* session is shutting down */
	153	unsigned ses_expired:1; /* console is timedout */
	154	__u64 ses_id_cookie; /* batch id cookie */
	155	char ses_name[LST_NAME_SIZE];/* session name */
	156	lstcon_rpc_trans_t ses_ping; / session pinger */
	157	stt_timer_t ses_ping_timer; /* timer for pinger */
	158	lstcon_trans_stat_t ses_trans_stat; /* transaction stats */
	159
	160	struct list_head ses_trans_list; /* global list of transaction */
	161	struct list_head ses_grp_list; /* global list of groups */
	162	struct list_head ses_bat_list; /* global list of batches */
	163	struct list_head ses_ndl_list; /* global list of nodes */
	164	struct list_head ses_ndl_hash; / hash table of nodes */
	165
	166	spinlock_t ses_rpc_lock; /* serialize */
	167	atomic_t ses_rpc_counter; /* # of initialized RPCs */
	168	struct list_head ses_rpc_freelist; /* idle console rpc */
	169	} lstcon_session_t; /* session descriptor */
d7e09d03 PT	170
	171	extern lstcon_session_t console_session;
	172
	173	static inline lstcon_trans_stat_t *
	174	lstcon_trans_stat(void)
	175	{
	176	return &console_session.ses_trans_stat;
	177	}
	178
	179	static inline struct list_head *
	180	lstcon_id2hash (lnet_process_id_t id, struct list_head *hash)
	181	{
	182	unsigned int idx = LNET_NIDADDR(id.nid) % LST_NODE_HASHSIZE;
	183
	184	return &hash[idx];
	185	}
	186
967db076 DP	187	int lstcon_console_init(void);
	188	int lstcon_ioctl_entry(unsigned int cmd, struct libcfs_ioctl_data *data);
	189	int lstcon_console_fini(void);
8150a97f JP	190	int lstcon_session_match(lst_sid_t sid);
	191	int lstcon_session_new(char *name, int key, unsigned version,
	192	int timeout, int flags, lst_sid_t *sid_up);
	193	int lstcon_session_info(lst_sid_t sid_up, int key, unsigned *verp,
	194	lstcon_ndlist_ent_t entp, char name_up, int len);
	195	int lstcon_session_end(void);
	196	int lstcon_session_debug(int timeout, struct list_head *result_up);
	197	int lstcon_session_feats_check(unsigned feats);
	198	int lstcon_batch_debug(int timeout, char *name,
	199	int client, struct list_head *result_up);
	200	int lstcon_group_debug(int timeout, char *name,
	201	struct list_head *result_up);
	202	int lstcon_nodes_debug(int timeout, int nnd, lnet_process_id_t *nds_up,
	203	struct list_head *result_up);
	204	int lstcon_group_add(char *name);
	205	int lstcon_group_del(char *name);
	206	int lstcon_group_clean(char *name, int args);
	207	int lstcon_group_refresh(char name, struct list_head result_up);
	208	int lstcon_nodes_add(char name, int nnd, lnet_process_id_t nds_up,
	209	unsigned featp, struct list_head result_up);
	210	int lstcon_nodes_remove(char name, int nnd, lnet_process_id_t nds_up,
	211	struct list_head *result_up);
	212	int lstcon_group_info(char name, lstcon_ndlist_ent_t gent_up,
	213	int index_p, int ndent_p, lstcon_node_ent_t *ndents_up);
	214	int lstcon_group_list(int idx, int len, char *name_up);
	215	int lstcon_batch_add(char *name);
	216	int lstcon_batch_run(char name, int timeout, struct list_head result_up);
	217	int lstcon_batch_stop(char name, int force, struct list_head result_up);
	218	int lstcon_test_batch_query(char *name, int testidx,
	219	int client, int timeout,
d7e09d03	220	struct list_head *result_up);
8150a97f JP	221	int lstcon_batch_del(char *name);
	222	int lstcon_batch_list(int idx, int namelen, char *name_up);
	223	int lstcon_batch_info(char name, lstcon_test_batch_ent_t ent_up,
	224	int server, int testidx, int *index_p,
	225	int ndent_p, lstcon_node_ent_t dents_up);
	226	int lstcon_group_stat(char *grp_name, int timeout,
	227	struct list_head *result_up);
	228	int lstcon_nodes_stat(int count, lnet_process_id_t *ids_up,
	229	int timeout, struct list_head *result_up);
	230	int lstcon_test_add(char *batch_name, int type, int loop,
	231	int concur, int dist, int span,
	232	char src_name, char dst_name,
	233	void param, int paramlen, int retp,
	234	struct list_head *result_up);
d7e09d03	235	#endif