* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*/
/*
#define WIRE_ATTR __attribute__((packed))
+/* Packed version of lnet_process_id_t to transfer via network */
+#include <libcfs/libcfs_pack.h>
+typedef struct {
+ lnet_nid_t nid;
+ lnet_pid_t pid; /* node id / process id */
+} WIRE_ATTR lnet_process_id_packed_t;
+
/* The wire handle's interface cookie only matches one network interface in
* one epoch (i.e. new cookie when the interface restarts or the node
* reboots). The object cookie only matches one object on that interface
* during that object's lifetime (i.e. no cookie re-use). */
-#include <libcfs/libcfs_pack.h>
typedef struct {
__u64 wh_interface_cookie;
__u64 wh_object_cookie;
/* PROTO MAGIC for LNDs */
#define LNET_PROTO_IB_MAGIC 0x0be91b91
-#define LNET_PROTO_OPENIB_MAGIC LNET_PROTO_IB_MAGIC
-#define LNET_PROTO_IIB_MAGIC LNET_PROTO_IB_MAGIC
-#define LNET_PROTO_VIB_MAGIC LNET_PROTO_IB_MAGIC
#define LNET_PROTO_RA_MAGIC 0x0be91b92
#define LNET_PROTO_QSW_MAGIC 0x0be91b93
#define LNET_PROTO_TCP_MAGIC 0xeebc0ded
#define LNET_PROTO_PTL_MAGIC 0x50746C4E /* 'PtlN' unique magic */
-#define LNET_PROTO_GM_MAGIC 0x6d797269 /* 'myri'! */
#define LNET_PROTO_MX_MAGIC 0x4d583130 /* 'MX10'! */
#define LNET_PROTO_ACCEPTOR_MAGIC 0xacce7100
#define LNET_PROTO_PING_MAGIC 0x70696E67 /* 'ping' */
struct lnet_libmd;
typedef struct lnet_msg {
- struct list_head msg_activelist;
- struct list_head msg_list; /* Q for credits/MD */
-
- lnet_process_id_t msg_target;
- __u32 msg_type;
-
- unsigned int msg_target_is_router:1; /* sending to a router */
- unsigned int msg_routing:1; /* being forwarded */
- unsigned int msg_ack:1; /* ack on finalize (PUT) */
- unsigned int msg_sending:1; /* outgoing message */
- unsigned int msg_receiving:1; /* being received */
- unsigned int msg_delayed:1; /* had to Q for buffer or tx credit */
- unsigned int msg_txcredit:1; /* taken an NI send credit */
- unsigned int msg_peertxcredit:1; /* taken a peer send credit */
- unsigned int msg_rtrcredit:1; /* taken a globel router credit */
- unsigned int msg_peerrtrcredit:1; /* taken a peer router credit */
- unsigned int msg_onactivelist:1; /* on the activelist */
-
- struct lnet_peer *msg_txpeer; /* peer I'm sending to */
- struct lnet_peer *msg_rxpeer; /* peer I received from */
-
- void *msg_private;
- struct lnet_libmd *msg_md;
-
- unsigned int msg_len;
- unsigned int msg_wanted;
- unsigned int msg_offset;
- unsigned int msg_niov;
- struct iovec *msg_iov;
- lnet_kiov_t *msg_kiov;
-
- lnet_event_t msg_ev;
- lnet_hdr_t msg_hdr;
+ cfs_list_t msg_activelist;
+ cfs_list_t msg_list; /* Q for credits/MD */
+
+ lnet_process_id_t msg_target;
+ __u32 msg_type;
+
+ unsigned int msg_vmflush:1; /* VM trying to free memory */
+ unsigned int msg_target_is_router:1; /* sending to a router */
+ unsigned int msg_routing:1; /* being forwarded */
+ unsigned int msg_ack:1; /* ack on finalize (PUT) */
+ unsigned int msg_sending:1; /* outgoing message */
+ unsigned int msg_receiving:1; /* being received */
+ unsigned int msg_delayed:1; /* had to Q for buffer or tx credit */
+ unsigned int msg_txcredit:1; /* taken an NI send credit */
+ unsigned int msg_peertxcredit:1; /* taken a peer send credit */
+ unsigned int msg_rtrcredit:1; /* taken a globel router credit */
+ unsigned int msg_peerrtrcredit:1; /* taken a peer router credit */
+ unsigned int msg_onactivelist:1; /* on the activelist */
+
+ struct lnet_peer *msg_txpeer; /* peer I'm sending to */
+ struct lnet_peer *msg_rxpeer; /* peer I received from */
+
+ void *msg_private;
+ struct lnet_libmd *msg_md;
+
+ unsigned int msg_len;
+ unsigned int msg_wanted;
+ unsigned int msg_offset;
+ unsigned int msg_niov;
+ struct iovec *msg_iov;
+ lnet_kiov_t *msg_kiov;
+
+ lnet_event_t msg_ev;
+ lnet_hdr_t msg_hdr;
} lnet_msg_t;
typedef struct lnet_libhandle {
- struct list_head lh_hash_chain;
- __u64 lh_cookie;
+ cfs_list_t lh_hash_chain;
+ __u64 lh_cookie;
} lnet_libhandle_t;
#define lh_entry(ptr, type, member) \
((type *)((char *)(ptr)-(char *)(&((type *)0)->member)))
typedef struct lnet_eq {
- struct list_head eq_list;
- lnet_libhandle_t eq_lh;
- lnet_seq_t eq_enq_seq;
- lnet_seq_t eq_deq_seq;
- unsigned int eq_size;
- lnet_event_t *eq_events;
- int eq_refcount;
- lnet_eq_handler_t eq_callback;
+ cfs_list_t eq_list;
+ lnet_libhandle_t eq_lh;
+ lnet_seq_t eq_enq_seq;
+ lnet_seq_t eq_deq_seq;
+ unsigned int eq_size;
+ lnet_event_t *eq_events;
+ int eq_refcount;
+ lnet_eq_handler_t eq_callback;
} lnet_eq_t;
typedef struct lnet_me {
- struct list_head me_list;
- lnet_libhandle_t me_lh;
- lnet_process_id_t me_match_id;
- unsigned int me_portal;
- __u64 me_match_bits;
- __u64 me_ignore_bits;
- lnet_unlink_t me_unlink;
- struct lnet_libmd *me_md;
+ cfs_list_t me_list;
+ lnet_libhandle_t me_lh;
+ lnet_process_id_t me_match_id;
+ unsigned int me_portal;
+ __u64 me_match_bits;
+ __u64 me_ignore_bits;
+ lnet_unlink_t me_unlink;
+ struct lnet_libmd *me_md;
} lnet_me_t;
typedef struct lnet_libmd {
- struct list_head md_list;
- lnet_libhandle_t md_lh;
- lnet_me_t *md_me;
- char *md_start;
- unsigned int md_offset;
- unsigned int md_length;
- unsigned int md_max_size;
- int md_threshold;
- int md_refcount;
- unsigned int md_options;
- unsigned int md_flags;
- void *md_user_ptr;
- lnet_eq_t *md_eq;
- unsigned int md_niov; /* # frags */
+ cfs_list_t md_list;
+ lnet_libhandle_t md_lh;
+ lnet_me_t *md_me;
+ char *md_start;
+ unsigned int md_offset;
+ unsigned int md_length;
+ unsigned int md_max_size;
+ int md_threshold;
+ int md_refcount;
+ unsigned int md_options;
+ unsigned int md_flags;
+ void *md_user_ptr;
+ lnet_eq_t *md_eq;
+ unsigned int md_niov; /* # frags */
union {
struct iovec iov[LNET_MAX_IOV];
lnet_kiov_t kiov[LNET_MAX_IOV];
#ifdef LNET_USE_LIB_FREELIST
typedef struct
{
- void *fl_objs; /* single contiguous array of objects */
- int fl_nobjs; /* the number of them */
- int fl_objsize; /* the size (including overhead) of each of them */
- struct list_head fl_list; /* where they are enqueued */
+ void *fl_objs; /* single contiguous array of objects */
+ int fl_nobjs; /* the number of them */
+ int fl_objsize; /* the size (including overhead) of each of them */
+ cfs_list_t fl_list; /* where they are enqueued */
} lnet_freelist_t;
typedef struct
{
- struct list_head fo_list; /* enqueue on fl_list */
- void *fo_contents; /* aligned contents */
+ cfs_list_t fo_list; /* enqueue on fl_list */
+ void *fo_contents; /* aligned contents */
} lnet_freeobj_t;
#endif
typedef struct {
/* info about peers we are trying to fail */
- struct list_head tp_list; /* ln_test_peers */
- lnet_nid_t tp_nid; /* matching nid */
- unsigned int tp_threshold; /* # failures to simulate */
+ cfs_list_t tp_list; /* ln_test_peers */
+ lnet_nid_t tp_nid; /* matching nid */
+ unsigned int tp_threshold; /* # failures to simulate */
} lnet_test_peer_t;
#define LNET_COOKIE_TYPE_MD 1
#define LNET_COOKIE_TYPE_ME 2
#define LNET_COOKIE_TYPE_EQ 3
-#define LNET_COOKIE_TYPES 4
+#define LNET_COOKIE_TYPE_BITS 2
+#define LNET_COOKIE_TYPES (1 << LNET_COOKIE_TYPE_BITS)
/* LNET_COOKIE_TYPES must be a power of 2, so the cookie type can be
* extracted by masking with (LNET_COOKIE_TYPES - 1) */
typedef struct lnet_lnd
{
/* fields managed by portals */
- struct list_head lnd_list; /* stash in the LND table */
- int lnd_refcount; /* # active instances */
+ cfs_list_t lnd_list; /* stash in the LND table */
+ int lnd_refcount; /* # active instances */
/* fields initialised by the LND */
- unsigned int lnd_type;
+ unsigned int lnd_type;
int (*lnd_startup) (struct lnet_ni *ni);
void (*lnd_shutdown) (struct lnet_ni *ni);
#define LNET_MAX_INTERFACES 16
typedef struct lnet_ni {
- struct list_head ni_list; /* chain on ln_nis */
- struct list_head ni_txq; /* messages waiting for tx credits */
+ cfs_list_t ni_list; /* chain on ln_nis */
+ cfs_list_t ni_txq; /* messages waiting for tx credits */
int ni_maxtxcredits; /* # tx credits */
int ni_txcredits; /* # tx credits free */
int ni_mintxcredits; /* lowest it's been */
#define LNET_MAX_RTR_NIS 16
#define LNET_PINGINFO_SIZE offsetof(lnet_ping_info_t, pi_ni[LNET_MAX_RTR_NIS])
typedef struct {
- struct list_head rcd_list; /* chain on the_lnet.ln_zombie_rcd */
+ cfs_list_t rcd_list; /* chain on the_lnet.ln_zombie_rcd */
lnet_handle_md_t rcd_mdh; /* ping buffer MD */
lnet_ping_info_t *rcd_pinginfo; /* ping buffer */
} lnet_rc_data_t;
typedef struct lnet_peer {
- struct list_head lp_hashlist; /* chain on peer hash */
- struct list_head lp_txq; /* messages blocking for tx credits */
- struct list_head lp_rtrq; /* messages blocking for router credits */
- struct list_head lp_rtr_list; /* chain on router list */
+ cfs_list_t lp_hashlist; /* chain on peer hash */
+ cfs_list_t lp_txq; /* messages blocking for tx credits */
+ cfs_list_t lp_rtrq; /* messages blocking for router credits */
+ cfs_list_t lp_rtr_list; /* chain on router list */
int lp_txcredits; /* # tx credits available */
int lp_mintxcredits; /* low water mark */
int lp_rtrcredits; /* # router credits */
lnet_rc_data_t *lp_rcd; /* router checker state */
} lnet_peer_t;
+#define lnet_peer_aliveness_enabled(lp) ((lp)->lp_ni->ni_peertimeout > 0)
+
typedef struct {
- struct list_head lr_list; /* chain on net */
+ cfs_list_t lr_list; /* chain on net */
lnet_peer_t *lr_gateway; /* router node */
unsigned int lr_hops; /* how far I am */
} lnet_route_t;
typedef struct {
- struct list_head lrn_list; /* chain on ln_remote_nets */
- struct list_head lrn_routes; /* routes to me */
+ cfs_list_t lrn_list; /* chain on ln_remote_nets */
+ cfs_list_t lrn_routes; /* routes to me */
__u32 lrn_net; /* my net number */
} lnet_remotenet_t;
typedef struct {
- struct list_head rbp_bufs; /* my free buffer pool */
- struct list_head rbp_msgs; /* messages blocking for a buffer */
- int rbp_npages; /* # pages in each buffer */
- int rbp_nbuffers; /* # buffers */
- int rbp_credits; /* # free buffers / blocked messages */
- int rbp_mincredits; /* low water mark */
+ cfs_list_t rbp_bufs; /* my free buffer pool */
+ cfs_list_t rbp_msgs; /* messages blocking for a buffer */
+ int rbp_npages; /* # pages in each buffer */
+ int rbp_nbuffers; /* # buffers */
+ int rbp_credits; /* # free buffers / blocked messages */
+ int rbp_mincredits; /* low water mark */
} lnet_rtrbufpool_t;
typedef struct {
- struct list_head rb_list; /* chain on rbp_bufs */
- lnet_rtrbufpool_t *rb_pool; /* owning pool */
- lnet_kiov_t rb_kiov[0]; /* the buffer space */
+ cfs_list_t rb_list; /* chain on rbp_bufs */
+ lnet_rtrbufpool_t *rb_pool; /* owning pool */
+ lnet_kiov_t rb_kiov[0]; /* the buffer space */
} lnet_rtrbuf_t;
#include <libcfs/libcfs_pack.h>
/* Options for lnet_portal_t::ptl_options */
#define LNET_PTL_LAZY (1 << 0)
+#define LNET_PTL_MATCH_UNIQUE (1 << 1) /* unique match, for RDMA */
+#define LNET_PTL_MATCH_WILDCARD (1 << 2) /* wildcard match, request portal */
+
+/* ME hash of RDMA portal */
+#define LNET_PORTAL_HASH_BITS 8
+#define LNET_PORTAL_HASH_SIZE (1 << LNET_PORTAL_HASH_BITS)
+
typedef struct {
- struct list_head ptl_ml; /* match list */
- struct list_head ptl_msgq; /* messages blocking for MD */
- __u64 ptl_ml_version; /* validity stamp, only changed for new attached MD */
- __u64 ptl_msgq_version; /* validity stamp */
- unsigned int ptl_options;
+ cfs_list_t *ptl_mhash; /* match hash */
+ cfs_list_t ptl_mlist; /* match list */
+ cfs_list_t ptl_msgq; /* messages blocking for MD */
+ __u64 ptl_ml_version; /* validity stamp, only changed for new attached MD */
+ __u64 ptl_msgq_version; /* validity stamp */
+ unsigned int ptl_options;
} lnet_portal_t;
/* Router Checker states */
typedef struct
{
/* Stuff initialised at LNetInit() */
- int ln_init; /* LNetInit() called? */
- int ln_refcount; /* LNetNIInit/LNetNIFini counter */
- int ln_niinit_self; /* Have I called LNetNIInit myself? */
+ int ln_init; /* LNetInit() called? */
+ int ln_refcount; /* LNetNIInit/LNetNIFini counter */
+ int ln_niinit_self; /* Have I called LNetNIInit myself? */
- struct list_head ln_lnds; /* registered LNDs */
+ cfs_list_t ln_lnds; /* registered LNDs */
#ifdef __KERNEL__
- spinlock_t ln_lock;
- cfs_waitq_t ln_waitq;
- struct semaphore ln_api_mutex;
- struct semaphore ln_lnd_mutex;
+ cfs_spinlock_t ln_lock;
+ cfs_waitq_t ln_waitq;
+ cfs_semaphore_t ln_api_mutex;
+ cfs_semaphore_t ln_lnd_mutex;
#else
# ifndef HAVE_LIBPTHREAD
- int ln_lock;
- int ln_api_mutex;
- int ln_lnd_mutex;
+ int ln_lock;
+ int ln_api_mutex;
+ int ln_lnd_mutex;
# else
- pthread_cond_t ln_cond;
- pthread_mutex_t ln_lock;
- pthread_mutex_t ln_api_mutex;
- pthread_mutex_t ln_lnd_mutex;
+ pthread_cond_t ln_cond;
+ pthread_mutex_t ln_lock;
+ pthread_mutex_t ln_api_mutex;
+ pthread_mutex_t ln_lnd_mutex;
# endif
#endif
/* Stuff initialised at LNetNIInit() */
- int ln_shutdown; /* shutdown in progress */
- int ln_nportals; /* # portals */
- lnet_portal_t *ln_portals; /* the vector of portals */
+ int ln_shutdown; /* shutdown in progress */
+ int ln_nportals; /* # portals */
+ lnet_portal_t *ln_portals; /* the vector of portals */
- lnet_pid_t ln_pid; /* requested pid */
+ lnet_pid_t ln_pid; /* requested pid */
- struct list_head ln_nis; /* LND instances */
- lnet_ni_t *ln_loni; /* the loopback NI */
- lnet_ni_t *ln_eqwaitni; /* NI to wait for events in */
- struct list_head ln_zombie_nis; /* dying LND instances */
- int ln_nzombie_nis; /* # of NIs to wait for */
+ cfs_list_t ln_nis; /* LND instances */
+ lnet_ni_t *ln_loni; /* the loopback NI */
+ lnet_ni_t *ln_eqwaitni; /* NI to wait for events in */
+ cfs_list_t ln_zombie_nis; /* dying LND instances */
+ int ln_nzombie_nis; /* # of NIs to wait for */
- struct list_head ln_remote_nets; /* remote networks with routes to them */
- __u64 ln_remote_nets_version; /* validity stamp */
+ cfs_list_t ln_remote_nets; /* remote networks with routes to them */
+ __u64 ln_remote_nets_version; /* validity stamp */
- struct list_head ln_routers; /* list of all known routers */
- __u64 ln_routers_version; /* validity stamp */
+ cfs_list_t ln_routers; /* list of all known routers */
+ __u64 ln_routers_version; /* validity stamp */
- struct list_head *ln_peer_hash; /* NID->peer hash */
- int ln_npeers; /* # peers extant */
- int ln_peertable_version; /* /proc validity stamp */
+ cfs_list_t *ln_peer_hash; /* NID->peer hash */
+ int ln_npeers; /* # peers extant */
+ int ln_peertable_version; /* /proc validity stamp */
- int ln_routing; /* am I a router? */
- lnet_rtrbufpool_t ln_rtrpools[LNET_NRBPOOLS]; /* router buffer pools */
+ int ln_routing; /* am I a router? */
+ lnet_rtrbufpool_t ln_rtrpools[LNET_NRBPOOLS]; /* router buffer pools */
- int ln_lh_hash_size; /* size of lib handle hash table */
- struct list_head *ln_lh_hash_table; /* all extant lib handles, this interface */
- __u64 ln_next_object_cookie; /* cookie generator */
- __u64 ln_interface_cookie; /* uniquely identifies this ni in this epoch */
+ int ln_lh_hash_size; /* size of lib handle hash table */
+ cfs_list_t *ln_lh_hash_table; /* all extant lib handles, this interface */
+ __u64 ln_next_object_cookie; /* cookie generator */
+ __u64 ln_interface_cookie; /* uniquely identifies this ni in this epoch */
- char *ln_network_tokens; /* space for network names */
- int ln_network_tokens_nob;
+ char *ln_network_tokens; /* space for network names */
+ int ln_network_tokens_nob;
- int ln_testprotocompat; /* test protocol compatibility flags */
+ int ln_testprotocompat; /* test protocol compatibility flags */
- struct list_head ln_finalizeq; /* msgs waiting to complete finalizing */
+ cfs_list_t ln_finalizeq; /* msgs waiting to complete finalizing */
#ifdef __KERNEL__
- void **ln_finalizers; /* threads doing finalization */
- int ln_nfinalizers; /* max # threads finalizing */
+ void **ln_finalizers; /* threads doing finalization */
+ int ln_nfinalizers; /* max # threads finalizing */
#else
- int ln_finalizing;
+ int ln_finalizing;
#endif
- struct list_head ln_test_peers; /* failure simulation */
+ cfs_list_t ln_test_peers; /* failure simulation */
- lnet_handle_md_t ln_ping_target_md;
- lnet_handle_eq_t ln_ping_target_eq;
- lnet_ping_info_t *ln_ping_info;
+ lnet_handle_md_t ln_ping_target_md;
+ lnet_handle_eq_t ln_ping_target_eq;
+ lnet_ping_info_t *ln_ping_info;
#ifdef __KERNEL__
- struct semaphore ln_rc_signal; /* serialise startup/shutdown */
+ cfs_semaphore_t ln_rc_signal; /* serialise startup/shutdown */
#endif
int ln_rc_state; /* router checker startup/shutdown state */
lnet_handle_eq_t ln_rc_eqh; /* router checker's event queue */
lnet_handle_md_t ln_rc_mdh;
- struct list_head ln_zombie_rcd;
+ cfs_list_t ln_zombie_rcd;
#ifdef LNET_USE_LIB_FREELIST
- lnet_freelist_t ln_free_mes;
- lnet_freelist_t ln_free_msgs;
- lnet_freelist_t ln_free_mds;
- lnet_freelist_t ln_free_eqs;
+ lnet_freelist_t ln_free_mes;
+ lnet_freelist_t ln_free_msgs;
+ lnet_freelist_t ln_free_mds;
+ lnet_freelist_t ln_free_eqs;
#endif
- struct list_head ln_active_msgs;
- struct list_head ln_active_mds;
- struct list_head ln_active_eqs;
+ cfs_list_t ln_active_msgs;
+ cfs_list_t ln_active_mds;
+ cfs_list_t ln_active_eqs;
- lnet_counters_t ln_counters;
+ lnet_counters_t ln_counters;
#ifndef __KERNEL__
/* Temporary workaround to allow uOSS and test programs force
* lnet_prepare(). The only way to turn this flag on is to
* call lnet_server_mode() */
- int ln_server_mode_flag;
+ int ln_server_mode_flag;
#endif
} lnet_t;