* 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 COPYING file that accompanied this code.
-
+ * GNU General Public License version 2 for more details.
+ *
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ * along with this program; If not, see
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
/*
* Copyright (C) 2013 DataDirect Networks, Inc.
*
+ * Copyright (c) 2014, Intel Corporation.
*/
/*
*
#ifndef _LUSTRE_NRS_TBF_H
#define _LUSTRE_NRS_TBF_H
-#include <lustre_net.h>
/* \name tbf
*
struct nrs_tbf_head;
struct nrs_tbf_cmd;
+#define NRS_TBF_MATCH_FULL 0x0000001
+#define NRS_TBF_MATCH_WILDCARD 0x0000002
+
struct nrs_tbf_jobid {
char *tj_id;
- cfs_list_t tj_linkage;
+ __u32 tj_match_flag;
+ struct list_head tj_linkage;
+};
+
+#define MAX_U32_STR_LEN 10
+#define NRS_TBF_KEY_LEN (LNET_NIDSTR_SIZE + LUSTRE_JOBID_SIZE + \
+ MAX_U32_STR_LEN + MAX_U32_STR_LEN + 3 + 2)
+
+enum nrs_tbf_flag {
+ NRS_TBF_FLAG_INVALID = 0x0000000,
+ NRS_TBF_FLAG_JOBID = 0x0000001,
+ NRS_TBF_FLAG_NID = 0x0000002,
+ NRS_TBF_FLAG_OPCODE = 0x0000004,
+ NRS_TBF_FLAG_GENERIC = 0x0000008,
+ NRS_TBF_FLAG_UID = 0x0000010,
+ NRS_TBF_FLAG_GID = 0x0000020,
+};
+
+struct tbf_id {
+ enum nrs_tbf_flag ti_type;
+ u32 ti_uid;
+ u32 ti_gid;
+};
+
+struct nrs_tbf_id {
+ struct tbf_id nti_id;
+ struct list_head nti_linkage;
};
struct nrs_tbf_client {
/** Resource object for policy instance. */
struct ptlrpc_nrs_resource tc_res;
/** Node in the hash table. */
- cfs_hlist_node_t tc_hnode;
+ struct hlist_node tc_hnode;
/** NID of the client. */
lnet_nid_t tc_nid;
/** Jobid of the client. */
- char tc_jobid[JOBSTATS_JOBID_SIZE];
+ char tc_jobid[LUSTRE_JOBID_SIZE];
+ /** opcode of the client. */
+ __u32 tc_opcode;
+ /** gid or uid of the client. */
+ struct tbf_id tc_id;
+ /** Hash key of the client. */
+ char tc_key[NRS_TBF_KEY_LEN];
/** Reference number of the client. */
atomic_t tc_ref;
- /** Likage to rule. */
- cfs_list_t tc_linkage;
+ /** Lock to protect rule and linkage. */
+ spinlock_t tc_rule_lock;
+ /** Linkage to rule. */
+ struct list_head tc_linkage;
/** Pointer to rule. */
struct nrs_tbf_rule *tc_rule;
/** Generation of the rule matched. */
__u64 tc_rule_generation;
/** Limit of RPC rate. */
- __u64 tc_rpc_rate;
+ u32 tc_rpc_rate;
/** Time to wait for next token. */
__u64 tc_nsecs;
/** RPC token number. */
__u64 tc_depth;
/** Time check-point. */
__u64 tc_check_time;
+ /** Deadline of a class */
+ __u64 tc_deadline;
+ /**
+ * Time residue: the remainder of elapsed time
+ * divided by nsecs when dequeue a request.
+ */
+ __u64 tc_nsecs_resid;
/** List of queued requests. */
- cfs_list_t tc_list;
+ struct list_head tc_list;
/** Node in binary heap. */
- cfs_binheap_node_t tc_node;
+ struct cfs_binheap_node tc_node;
/** Whether the client is in heap. */
bool tc_in_heap;
/** Sequence of the newest rule. */
* Linkage into LRU list. Protected bucket lock of
* nrs_tbf_head::th_cli_hash.
*/
- cfs_list_t tc_lru;
+ struct list_head tc_lru;
};
#define MAX_TBF_NAME (16)
-#define NTRS_STOPPING 0x0000001
-#define NTRS_DEFAULT 0x0000002
+enum nrs_rule_flags {
+ NTRS_STOPPING = 0x00000001,
+ NTRS_DEFAULT = 0x00000002,
+ NTRS_REALTIME = 0x00000004,
+};
struct nrs_tbf_rule {
/** Name of the rule. */
/** Head belongs to. */
struct nrs_tbf_head *tr_head;
/** Likage to head. */
- cfs_list_t tr_linkage;
+ struct list_head tr_linkage;
/** Nid list of the rule. */
- cfs_list_t tr_nids;
+ struct list_head tr_nids;
/** Nid list string of the rule.*/
char *tr_nids_str;
/** Jobid list of the rule. */
- cfs_list_t tr_jobids;
+ struct list_head tr_jobids;
/** Jobid list string of the rule.*/
char *tr_jobids_str;
+ /** uid/gid list of the rule. */
+ struct list_head tr_ids;
+ /** uid/gid list string of the rule. */
+ char *tr_ids_str;
+ /** Opcode bitmap of the rule. */
+ struct cfs_bitmap *tr_opcodes;
+ /** Opcode list string of the rule.*/
+ char *tr_opcodes_str;
+ /** Condition list of the rule.*/
+ struct list_head tr_conds;
+ /** Generic condition string of the rule. */
+ char *tr_conds_str;
/** RPC/s limit. */
- __u64 tr_rpc_rate;
+ u32 tr_rpc_rate;
/** Time to wait for next token. */
- __u64 tr_nsecs;
+ u64 tr_nsecs_per_rpc;
/** Token bucket depth. */
__u64 tr_depth;
+ /** Lock to protect the list of clients. */
+ spinlock_t tr_rule_lock;
/** List of client. */
- cfs_list_t tr_cli_list;
+ struct list_head tr_cli_list;
/** Flags of the rule. */
- __u32 tr_flags;
+ enum nrs_rule_flags tr_flags;
/** Usage Reference count taken on the rule. */
atomic_t tr_ref;
/** Generation of the rule. */
#define NRS_TBF_TYPE_JOBID "jobid"
#define NRS_TBF_TYPE_NID "nid"
+#define NRS_TBF_TYPE_OPCODE "opcode"
+#define NRS_TBF_TYPE_GENERIC "generic"
+#define NRS_TBF_TYPE_UID "uid"
+#define NRS_TBF_TYPE_GID "gid"
#define NRS_TBF_TYPE_MAX_LEN 20
-#define NRS_TBF_FLAG_JOBID 0x0000001
-#define NRS_TBF_FLAG_NID 0x0000002
+
+struct nrs_tbf_type {
+ const char *ntt_name;
+ enum nrs_tbf_flag ntt_flag;
+ struct nrs_tbf_ops *ntt_ops;
+};
struct nrs_tbf_bucket {
/**
* LRU list, updated on each access to client. Protected by
* bucket lock of nrs_tbf_head::th_cli_hash.
*/
- cfs_list_t ntb_lru;
+ struct list_head ntb_lru;
};
/**
/**
* List of rules.
*/
- cfs_list_t th_list;
+ struct list_head th_list;
/**
* Lock to protect the list of rules.
*/
/**
* Timer for next token.
*/
-#if defined(__KERNEL__) && defined(__linux__)
struct hrtimer th_timer;
-#endif
/**
* Deadline of the timer.
*/
/**
* Heap of queues.
*/
- cfs_binheap_t *th_binheap;
+ struct cfs_binheap *th_binheap;
/**
* Hash of clients.
*/
- cfs_hash_t *th_cli_hash;
+ struct cfs_hash *th_cli_hash;
/**
* Type of TBF policy.
*/
enum nrs_tbf_cmd_type {
NRS_CTL_TBF_START_RULE = 0,
NRS_CTL_TBF_STOP_RULE,
- NRS_CTL_TBF_CHANGE_RATE,
+ NRS_CTL_TBF_CHANGE_RULE,
};
struct nrs_tbf_cmd {
- enum nrs_tbf_cmd_type tc_cmd;
- char *tc_name;
- __u64 tc_rpc_rate;
- cfs_list_t tc_nids;
- char *tc_nids_str;
- cfs_list_t tc_jobids;
- char *tc_jobids_str;
- __u32 tc_valid_types;
- __u32 tc_rule_flags;
+ enum nrs_tbf_cmd_type tc_cmd;
+ char *tc_name;
+ union {
+ struct nrs_tbf_cmd_start {
+ __u64 ts_rpc_rate;
+ struct list_head ts_nids;
+ char *ts_nids_str;
+ struct list_head ts_jobids;
+ char *ts_jobids_str;
+ struct list_head ts_ids;
+ char *ts_ids_str;
+ char *ts_opcodes_str;
+ struct list_head ts_conds;
+ char *ts_conds_str;
+ __u32 ts_valid_type;
+ enum nrs_rule_flags ts_rule_flags;
+ char *ts_next_name;
+ } tc_start;
+ struct nrs_tbf_cmd_change {
+ __u64 tc_rpc_rate;
+ char *tc_next_name;
+ } tc_change;
+ } u;
+};
+
+enum nrs_tbf_field {
+ NRS_TBF_FIELD_NID,
+ NRS_TBF_FIELD_JOBID,
+ NRS_TBF_FIELD_OPCODE,
+ NRS_TBF_FIELD_UID,
+ NRS_TBF_FIELD_GID,
+ NRS_TBF_FIELD_MAX
+};
+
+struct nrs_tbf_expression {
+ enum nrs_tbf_field te_field;
+ struct list_head te_cond;
+ struct cfs_bitmap *te_opcodes;
+ struct list_head te_linkage;
+};
+
+struct nrs_tbf_conjunction {
+ /**
+ * link to disjunction.
+ */
+ struct list_head tc_linkage;
+ /**
+ * list of logical conjunction
+ */
+ struct list_head tc_expressions;
};
struct nrs_tbf_req {
/**
* Linkage to queue.
*/
- cfs_list_t tr_list;
+ struct list_head tr_list;
/**
* Sequence of the request.
*/
* Write the the data of a TBF policy.
*/
NRS_CTL_TBF_WR_RULE,
+ /**
+ * Read the TBF policy type preset by proc entry "nrs_policies".
+ */
+ NRS_CTL_TBF_RD_TYPE_FLAG,
};
/** @} tbf */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff