X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lnet%2Finclude%2Flnet%2Flib-lnet.h;h=94aed03b138e903f512923f114c3c5418d4e9569;hb=c6aab2ca77831852db22b7dc39baed4d06405b7e;hp=bcdea8fba85e8dfab40e77a8a72119cfcbd353d1;hpb=b98be5f6718ba963d703722620bd7c35912375cd;p=fs%2Flustre-release.git diff --git a/lnet/include/lnet/lib-lnet.h b/lnet/include/lnet/lib-lnet.h index bcdea8f..94aed03 100644 --- a/lnet/include/lnet/lib-lnet.h +++ b/lnet/include/lnet/lib-lnet.h @@ -26,6 +26,8 @@ /* * Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. + * + * Copyright (c) 2012, 2014, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -39,41 +41,28 @@ #ifndef __LNET_LIB_LNET_H__ #define __LNET_LIB_LNET_H__ -#if defined(__linux__) -#include -#elif defined(__APPLE__) -#include -#elif defined(__WINNT__) -#include -#else -#error Unsupported Operating System +#ifndef __KERNEL__ +# error This include is only for kernel use. #endif #include -#include +#include #include #include extern lnet_t the_lnet; /* THE network */ -#if !defined(__KERNEL__) || defined(LNET_USE_LIB_FREELIST) -/* 1 CPT, simplify implementation... */ -# define LNET_CPT_MAX_BITS 0 - -#else /* KERNEL and no freelist */ - -# if (BITS_PER_LONG == 32) +#if (BITS_PER_LONG == 32) /* 2 CPTs, allowing more CPTs might make us under memory pressure */ -# define LNET_CPT_MAX_BITS 1 +# define LNET_CPT_MAX_BITS 1 -# else /* 64-bit system */ +#else /* 64-bit system */ /* * 256 CPTs for thousands of CPUs, allowing more CPTs might make us * under risk of consuming all lh_cookie. */ -# define LNET_CPT_MAX_BITS 8 -# endif /* BITS_PER_LONG == 32 */ -#endif +# define LNET_CPT_MAX_BITS 8 +#endif /* BITS_PER_LONG == 32 */ /* max allowed CPT number */ #define LNET_CPT_MAX (1 << LNET_CPT_MAX_BITS) @@ -85,6 +74,17 @@ extern lnet_t the_lnet; /* THE network */ /** exclusive lock */ #define LNET_LOCK_EX CFS_PERCPT_LOCK_EX +static inline int lnet_is_route_alive(lnet_route_t *route) +{ + if (!route->lr_gateway->lp_alive) + return 0; /* gateway is down */ + if ((route->lr_gateway->lp_ping_feats & + LNET_PING_FEAT_NI_STATUS) == 0) + return 1; /* no NI status, assume it's alive */ + /* has NI status, check # down NIs */ + return route->lr_downis == 0; +} + static inline int lnet_is_wire_handle_none (lnet_handle_wire_t *wh) { return (wh->wh_interface_cookie == LNET_WIRE_HANDLE_COOKIE_NONE && @@ -173,258 +173,20 @@ lnet_net_lock_current(void) #define LNET_LOCK() lnet_net_lock(LNET_LOCK_EX) #define LNET_UNLOCK() lnet_net_unlock(LNET_LOCK_EX) -#ifdef __KERNEL__ - -#define lnet_ptl_lock(ptl) cfs_spin_lock(&(ptl)->ptl_lock) -#define lnet_ptl_unlock(ptl) cfs_spin_unlock(&(ptl)->ptl_lock) -#define lnet_eq_wait_lock() cfs_spin_lock(&the_lnet.ln_eq_wait_lock) -#define lnet_eq_wait_unlock() cfs_spin_unlock(&the_lnet.ln_eq_wait_lock) -#define lnet_ni_lock(ni) cfs_spin_lock(&(ni)->ni_lock) -#define lnet_ni_unlock(ni) cfs_spin_unlock(&(ni)->ni_lock) -#define LNET_MUTEX_LOCK(m) cfs_mutex_lock(m) -#define LNET_MUTEX_UNLOCK(m) cfs_mutex_unlock(m) - -#else /* !__KERNEL__ */ - -# ifndef HAVE_LIBPTHREAD -#define LNET_SINGLE_THREADED_LOCK(l) \ -do { \ - LASSERT ((l) == 0); \ - (l) = 1; \ -} while (0) - -#define LNET_SINGLE_THREADED_UNLOCK(l) \ -do { \ - LASSERT ((l) == 1); \ - (l) = 0; \ -} while (0) - -#define LNET_MUTEX_LOCK(m) LNET_SINGLE_THREADED_LOCK(*(m)) -#define LNET_MUTEX_UNLOCK(m) LNET_SINGLE_THREADED_UNLOCK(*(m)) - -#define lnet_ptl_lock(ptl) \ - LNET_SINGLE_THREADED_LOCK((ptl)->ptl_lock) -#define lnet_ptl_unlock(ptl) \ - LNET_SINGLE_THREADED_UNLOCK((ptl)->ptl_lock) - -#define lnet_eq_wait_lock() \ - LNET_SINGLE_THREADED_LOCK(the_lnet.ln_eq_wait_lock) -#define lnet_eq_wait_unlock() \ - LNET_SINGLE_THREADED_UNLOCK(the_lnet.ln_eq_wait_lock) - -#define lnet_ni_lock(ni) \ - LNET_SINGLE_THREADED_LOCK((ni)->ni_lock) -#define lnet_ni_unlock(ni) \ - LNET_SINGLE_THREADED_UNLOCK((ni)->ni_lock) - -# else /* HAVE_LIBPTHREAD */ - -#define LNET_MUTEX_LOCK(m) pthread_mutex_lock(m) -#define LNET_MUTEX_UNLOCK(m) pthread_mutex_unlock(m) - -#define lnet_ptl_lock(ptl) pthread_mutex_lock(&(ptl)->ptl_lock) -#define lnet_ptl_unlock(ptl) pthread_mutex_unlock(&(ptl)->ptl_lock) - -#define lnet_eq_wait_lock() pthread_mutex_lock(&the_lnet.ln_eq_wait_lock) -#define lnet_eq_wait_unlock() pthread_mutex_unlock(&the_lnet.ln_eq_wait_lock) - -#define lnet_ni_lock(ni) pthread_mutex_lock(&(ni)->ni_lock) -#define lnet_ni_unlock(ni) pthread_mutex_unlock(&(ni)->ni_lock) - -# endif /* HAVE_LIBPTHREAD */ -#endif /* __KERNEL__ */ +#define lnet_ptl_lock(ptl) spin_lock(&(ptl)->ptl_lock) +#define lnet_ptl_unlock(ptl) spin_unlock(&(ptl)->ptl_lock) +#define lnet_eq_wait_lock() spin_lock(&the_lnet.ln_eq_wait_lock) +#define lnet_eq_wait_unlock() spin_unlock(&the_lnet.ln_eq_wait_lock) +#define lnet_ni_lock(ni) spin_lock(&(ni)->ni_lock) +#define lnet_ni_unlock(ni) spin_unlock(&(ni)->ni_lock) +#define LNET_MUTEX_LOCK(m) mutex_lock(m) +#define LNET_MUTEX_UNLOCK(m) mutex_unlock(m) #define MAX_PORTALS 64 -/* these are only used by code with LNET_USE_LIB_FREELIST, but we still - * exported them to !LNET_USE_LIB_FREELIST for easy implemetation */ -#define LNET_FL_MAX_MES 2048 -#define LNET_FL_MAX_MDS 2048 -#define LNET_FL_MAX_EQS 512 -#define LNET_FL_MAX_MSGS 2048 /* Outstanding messages */ - -#ifdef LNET_USE_LIB_FREELIST - -int lnet_freelist_init(lnet_freelist_t *fl, int n, int size); -void lnet_freelist_fini(lnet_freelist_t *fl); - -static inline void * -lnet_freelist_alloc (lnet_freelist_t *fl) -{ - /* ALWAYS called with liblock held */ - lnet_freeobj_t *o; - - if (cfs_list_empty (&fl->fl_list)) - return (NULL); - - o = cfs_list_entry (fl->fl_list.next, lnet_freeobj_t, fo_list); - cfs_list_del (&o->fo_list); - return ((void *)&o->fo_contents); -} - -static inline void -lnet_freelist_free (lnet_freelist_t *fl, void *obj) -{ - /* ALWAYS called with liblock held */ - lnet_freeobj_t *o = cfs_list_entry (obj, lnet_freeobj_t, fo_contents); - - cfs_list_add (&o->fo_list, &fl->fl_list); -} - - -static inline lnet_eq_t * -lnet_eq_alloc (void) -{ - /* NEVER called with resource lock held */ - struct lnet_res_container *rec = &the_lnet.ln_eq_container; - lnet_eq_t *eq; - - LASSERT(LNET_CPT_NUMBER == 1); - - lnet_res_lock(0); - eq = (lnet_eq_t *)lnet_freelist_alloc(&rec->rec_freelist); - lnet_res_unlock(0); - - return eq; -} - -static inline void -lnet_eq_free_locked(lnet_eq_t *eq) -{ - /* ALWAYS called with resource lock held */ - struct lnet_res_container *rec = &the_lnet.ln_eq_container; - - LASSERT(LNET_CPT_NUMBER == 1); - lnet_freelist_free(&rec->rec_freelist, eq); -} - -static inline void -lnet_eq_free(lnet_eq_t *eq) -{ - lnet_res_lock(0); - lnet_eq_free_locked(eq); - lnet_res_unlock(0); -} - -static inline lnet_libmd_t * -lnet_md_alloc (lnet_md_t *umd) -{ - /* NEVER called with resource lock held */ - struct lnet_res_container *rec = the_lnet.ln_md_containers[0]; - lnet_libmd_t *md; - - LASSERT(LNET_CPT_NUMBER == 1); - - lnet_res_lock(0); - md = (lnet_libmd_t *)lnet_freelist_alloc(&rec->rec_freelist); - lnet_res_unlock(0); - - if (md != NULL) - CFS_INIT_LIST_HEAD(&md->md_list); - - return md; -} - -static inline void -lnet_md_free_locked(lnet_libmd_t *md) -{ - /* ALWAYS called with resource lock held */ - struct lnet_res_container *rec = the_lnet.ln_md_containers[0]; - - LASSERT(LNET_CPT_NUMBER == 1); - lnet_freelist_free(&rec->rec_freelist, md); -} - -static inline void -lnet_md_free(lnet_libmd_t *md) -{ - lnet_res_lock(0); - lnet_md_free_locked(md); - lnet_res_unlock(0); -} - -static inline lnet_me_t * -lnet_me_alloc(void) -{ - /* NEVER called with resource lock held */ - struct lnet_res_container *rec = the_lnet.ln_me_containers[0]; - lnet_me_t *me; - - LASSERT(LNET_CPT_NUMBER == 1); - - lnet_res_lock(0); - me = (lnet_me_t *)lnet_freelist_alloc(&rec->rec_freelist); - lnet_res_unlock(0); - - return me; -} - -static inline void -lnet_me_free_locked(lnet_me_t *me) -{ - /* ALWAYS called with resource lock held */ - struct lnet_res_container *rec = the_lnet.ln_me_containers[0]; - - LASSERT(LNET_CPT_NUMBER == 1); - lnet_freelist_free(&rec->rec_freelist, me); -} - -static inline void -lnet_me_free(lnet_me_t *me) -{ - lnet_res_lock(0); - lnet_me_free_locked(me); - lnet_res_unlock(0); -} - -static inline lnet_msg_t * -lnet_msg_alloc (void) -{ - /* NEVER called with network lock held */ - struct lnet_msg_container *msc = the_lnet.ln_msg_containers[0]; - lnet_msg_t *msg; - - LASSERT(LNET_CPT_NUMBER == 1); - - lnet_net_lock(0); - msg = (lnet_msg_t *)lnet_freelist_alloc(&msc->msc_freelist); - lnet_net_unlock(0); - - if (msg != NULL) { - /* NULL pointers, clear flags etc */ - memset(msg, 0, sizeof(*msg)); -#ifdef CRAY_XT3 - msg->msg_ev.uid = LNET_UID_ANY; -#endif - } - return msg; -} - -static inline void -lnet_msg_free_locked(lnet_msg_t *msg) -{ - /* ALWAYS called with network lock held */ - struct lnet_msg_container *msc = the_lnet.ln_msg_containers[0]; - - LASSERT(LNET_CPT_NUMBER == 1); - LASSERT(!msg->msg_onactivelist); - lnet_freelist_free(&msc->msc_freelist, msg); -} - -static inline void -lnet_msg_free (lnet_msg_t *msg) -{ - lnet_net_lock(0); - lnet_msg_free_locked(msg); - lnet_net_unlock(0); -} - -#else /* !LNET_USE_LIB_FREELIST */ - static inline lnet_eq_t * lnet_eq_alloc (void) { - /* NEVER called with liblock held */ lnet_eq_t *eq; LIBCFS_ALLOC(eq, sizeof(*eq)); @@ -434,14 +196,12 @@ lnet_eq_alloc (void) static inline void lnet_eq_free(lnet_eq_t *eq) { - /* ALWAYS called with resource lock held */ LIBCFS_FREE(eq, sizeof(*eq)); } static inline lnet_libmd_t * lnet_md_alloc (lnet_md_t *umd) { - /* NEVER called with liblock held */ lnet_libmd_t *md; unsigned int size; unsigned int niov; @@ -457,20 +217,19 @@ lnet_md_alloc (lnet_md_t *umd) LIBCFS_ALLOC(md, size); - if (md != NULL) { - /* Set here in case of early free */ - md->md_options = umd->options; - md->md_niov = niov; - CFS_INIT_LIST_HEAD(&md->md_list); - } + if (md != NULL) { + /* Set here in case of early free */ + md->md_options = umd->options; + md->md_niov = niov; + INIT_LIST_HEAD(&md->md_list); + } - return (md); + return md; } static inline void lnet_md_free(lnet_libmd_t *md) { - /* ALWAYS called with resource lock held */ unsigned int size; if ((md->md_options & LNET_MD_KIOV) != 0) @@ -484,7 +243,6 @@ lnet_md_free(lnet_libmd_t *md) static inline lnet_me_t * lnet_me_alloc (void) { - /* NEVER called with liblock held */ lnet_me_t *me; LIBCFS_ALLOC(me, sizeof(*me)); @@ -494,43 +252,27 @@ lnet_me_alloc (void) static inline void lnet_me_free(lnet_me_t *me) { - /* ALWAYS called with resource lock held */ LIBCFS_FREE(me, sizeof(*me)); } static inline lnet_msg_t * lnet_msg_alloc(void) { - /* NEVER called with liblock held */ lnet_msg_t *msg; LIBCFS_ALLOC(msg, sizeof(*msg)); /* no need to zero, LIBCFS_ALLOC does for us */ - -#ifdef CRAY_XT3 - if (msg != NULL) { - msg->msg_ev.uid = LNET_UID_ANY; - } -#endif return (msg); } static inline void lnet_msg_free(lnet_msg_t *msg) { - /* ALWAYS called with network lock held */ LASSERT(!msg->msg_onactivelist); LIBCFS_FREE(msg, sizeof(*msg)); } -#define lnet_eq_free_locked(eq) lnet_eq_free(eq) -#define lnet_md_free_locked(md) lnet_md_free(md) -#define lnet_me_free_locked(me) lnet_me_free(me) -#define lnet_msg_free_locked(msg) lnet_msg_free(msg) - -#endif /* LNET_USE_LIB_FREELIST */ - lnet_libhandle_t *lnet_res_lh_lookup(struct lnet_res_container *rec, __u64 cookie); void lnet_res_lh_initialize(struct lnet_res_container *rec, @@ -540,7 +282,7 @@ lnet_res_lh_invalidate(lnet_libhandle_t *lh) { /* ALWAYS called with resource lock held */ /* NB: cookie is still useful, don't reset it */ - cfs_list_del(&lh->lh_hash_chain); + list_del(&lh->lh_hash_chain); } static inline void @@ -689,42 +431,25 @@ lnet_ni_decref(lnet_ni_t *ni) } void lnet_ni_free(lnet_ni_t *ni); +lnet_ni_t * +lnet_ni_alloc(__u32 net, struct cfs_expr_list *el, struct list_head *nilist); static inline int lnet_nid2peerhash(lnet_nid_t nid) { - return cfs_hash_long(nid, LNET_PEER_HASH_BITS); + return hash_long(nid, LNET_PEER_HASH_BITS); } -extern lnd_t the_lolnd; - -#ifndef __KERNEL__ -/* unconditional registration */ -#define LNET_REGISTER_ULND(lnd) \ -do { \ - extern lnd_t lnd; \ - \ - lnet_register_lnd(&(lnd)); \ -} while (0) - -/* conditional registration */ -#define LNET_REGISTER_ULND_IF_PRESENT(lnd) \ -do { \ - extern lnd_t lnd __attribute__ ((weak, alias("the_lolnd"))); \ - \ - if (&(lnd) != &the_lolnd) \ - lnet_register_lnd(&(lnd)); \ -} while (0) -#endif - -#ifdef CRAY_XT3 -inline static void -lnet_set_msg_uid(lnet_ni_t *ni, lnet_msg_t *msg, lnet_uid_t uid) +static inline struct list_head * +lnet_net2rnethash(__u32 net) { - LASSERT (msg->msg_ev.uid == LNET_UID_ANY); - msg->msg_ev.uid = uid; + return &the_lnet.ln_remote_nets_hash[(LNET_NETNUM(net) + + LNET_NETTYP(net)) & + ((1U << the_lnet.ln_remote_nets_hbits) - 1)]; } -#endif + +extern lnd_t the_lolnd; +extern int avoid_asym_router_failure; extern int lnet_cpt_of_nid_locked(lnet_nid_t nid); extern int lnet_cpt_of_nid(lnet_nid_t nid); @@ -732,19 +457,60 @@ extern lnet_ni_t *lnet_nid2ni_locked(lnet_nid_t nid, int cpt); extern lnet_ni_t *lnet_net2ni_locked(__u32 net, int cpt); extern lnet_ni_t *lnet_net2ni(__u32 net); +int lnet_init(void); +void lnet_fini(void); + +extern int portal_rotor; + int lnet_notify(lnet_ni_t *ni, lnet_nid_t peer, int alive, cfs_time_t when); void lnet_notify_locked(lnet_peer_t *lp, int notifylnd, int alive, cfs_time_t when); -int lnet_add_route(__u32 net, unsigned int hops, lnet_nid_t gateway_nid); +int lnet_add_route(__u32 net, unsigned int hops, lnet_nid_t gateway_nid, + unsigned int priority); int lnet_check_routes(void); int lnet_del_route(__u32 net, lnet_nid_t gw_nid); void lnet_destroy_routes(void); int lnet_get_route(int idx, __u32 *net, __u32 *hops, - lnet_nid_t *gateway, __u32 *alive); + lnet_nid_t *gateway, __u32 *alive, __u32 *priority); +int lnet_get_net_config(int idx, + __u32 *cpt_count, + __u64 *nid, + int *peer_timeout, + int *peer_tx_credits, + int *peer_rtr_cr, + int *max_tx_credits, + struct lnet_ioctl_net_config *net_config); +int lnet_get_rtr_pool_cfg(int idx, struct lnet_ioctl_pool_cfg *pool_cfg); + +struct libcfs_ioctl_handler { + struct list_head item; + int (*handle_ioctl)(unsigned int cmd, struct libcfs_ioctl_hdr *hdr); +}; + +#define DECLARE_IOCTL_HANDLER(ident, func) \ + static struct libcfs_ioctl_handler ident = { \ + /* .item = */ LIST_HEAD_INIT(ident.item), \ + /* .handle_ioctl = */ func \ + } + +extern int libcfs_register_ioctl(struct libcfs_ioctl_handler *hand); +extern int libcfs_deregister_ioctl(struct libcfs_ioctl_handler *hand); +extern int libcfs_ioctl_getdata(struct libcfs_ioctl_hdr **hdr_pp, + struct libcfs_ioctl_hdr __user *uparam); + void lnet_proc_init(void); void lnet_proc_fini(void); int lnet_rtrpools_alloc(int im_a_router); -void lnet_rtrpools_free(void); +void lnet_destroy_rtrbuf(lnet_rtrbuf_t *rb, int npages); +int lnet_rtrpools_adjust(int tiny, int small, int large); +int lnet_rtrpools_enable(void); +void lnet_rtrpools_disable(void); +void lnet_rtrpools_free(int keep_pools); lnet_remotenet_t *lnet_find_net_locked (__u32 net); +int lnet_dyn_add_ni(lnet_pid_t requested_pid, char *nets, + __s32 peer_timeout, __s32 peer_cr, __s32 peer_buf_cr, + __s32 credits); +int lnet_dyn_del_ni(__u32 net); +int lnet_clear_lazy_portal(struct lnet_ni *ni, int portal, char *reason); int lnet_islocalnid(lnet_nid_t nid); int lnet_islocalnet(__u32 net); @@ -763,6 +529,8 @@ void lnet_prep_send(lnet_msg_t *msg, int type, lnet_process_id_t target, int lnet_send(lnet_nid_t nid, lnet_msg_t *msg, lnet_nid_t rtr_nid); void lnet_return_tx_credits_locked(lnet_msg_t *msg); void lnet_return_rx_credits_locked(lnet_msg_t *msg); +void lnet_schedule_blocked_locked(lnet_rtrbufpool_t *rbp); +void lnet_drop_routed_msgs_locked(struct list_head *list, int cpt); /* portals functions */ /* portals attributes */ @@ -797,20 +565,18 @@ lnet_ptl_unsetopt(lnet_portal_t *ptl, int opt) } /* match-table functions */ -cfs_list_t *lnet_mt_match_head(struct lnet_match_table *mtable, +struct list_head *lnet_mt_match_head(struct lnet_match_table *mtable, lnet_process_id_t id, __u64 mbits); struct lnet_match_table *lnet_mt_of_attach(unsigned int index, lnet_process_id_t id, __u64 mbits, __u64 ignore_bits, lnet_ins_pos_t pos); -struct lnet_match_table *lnet_mt_of_match(unsigned int index, - lnet_process_id_t id, __u64 mbits); int lnet_mt_match_md(struct lnet_match_table *mtable, struct lnet_match_info *info, struct lnet_msg *msg); /* portals match/attach functions */ void lnet_ptl_attach_md(lnet_me_t *me, lnet_libmd_t *md, - cfs_list_t *matches, cfs_list_t *drops); + struct list_head *matches, struct list_head *drops); void lnet_ptl_detach_md(lnet_me_t *me, lnet_libmd_t *md); int lnet_ptl_match_md(struct lnet_match_info *info, struct lnet_msg *msg); @@ -821,13 +587,24 @@ void lnet_portals_destroy(void); /* message functions */ int lnet_parse (lnet_ni_t *ni, lnet_hdr_t *hdr, lnet_nid_t fromnid, void *private, int rdma_req); +int lnet_parse_local(lnet_ni_t *ni, lnet_msg_t *msg); +int lnet_parse_forward_locked(lnet_ni_t *ni, lnet_msg_t *msg); + void lnet_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, int delayed, unsigned int offset, unsigned int mlen, unsigned int rlen); +void lnet_ni_recv(lnet_ni_t *ni, void *private, lnet_msg_t *msg, + int delayed, unsigned int offset, + unsigned int mlen, unsigned int rlen); + lnet_msg_t *lnet_create_reply_msg (lnet_ni_t *ni, lnet_msg_t *get_msg); void lnet_set_reply_msg_len(lnet_ni_t *ni, lnet_msg_t *msg, unsigned int len); + void lnet_finalize(lnet_ni_t *ni, lnet_msg_t *msg, int rc); -void lnet_drop_delayed_msg_list(cfs_list_t *head, char *reason); -void lnet_recv_delayed_msg_list(cfs_list_t *head); + +void lnet_drop_message(lnet_ni_t *ni, int cpt, void *private, + unsigned int nob); +void lnet_drop_delayed_msg_list(struct list_head *head, char *reason); +void lnet_recv_delayed_msg_list(struct list_head *head); int lnet_msg_container_setup(struct lnet_msg_container *container, int cpt); void lnet_msg_container_cleanup(struct lnet_msg_container *container); @@ -838,6 +615,24 @@ char *lnet_msgtyp2str (int type); void lnet_print_hdr (lnet_hdr_t * hdr); int lnet_fail_nid(lnet_nid_t nid, unsigned int threshold); +/** \addtogroup lnet_fault_simulation @{ */ + +int lnet_fault_ctl(int cmd, struct libcfs_ioctl_data *data); +int lnet_fault_init(void); +void lnet_fault_fini(void); + +bool lnet_drop_rule_match(lnet_hdr_t *hdr); + +int lnet_delay_rule_add(struct lnet_fault_attr *attr); +int lnet_delay_rule_del(lnet_nid_t src, lnet_nid_t dst, bool shutdown); +int lnet_delay_rule_list(int pos, struct lnet_fault_attr *attr, + struct lnet_fault_stat *stat); +void lnet_delay_rule_reset(void); +void lnet_delay_rule_check(void); +bool lnet_delay_rule_match_locked(lnet_hdr_t *hdr, struct lnet_msg *msg); + +/** @} lnet_fault_simulation */ + void lnet_counters_get(lnet_counters_t *counters); void lnet_counters_reset(void); @@ -869,7 +664,7 @@ void lnet_copy_kiov2kiov (unsigned int ndkiov, lnet_kiov_t *dkiov, unsigned int soffset, unsigned int nob); static inline void -lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset, +lnet_copy_iov2flat(int dlen, __user void *dest, unsigned int doffset, unsigned int nsiov, struct iovec *siov, unsigned int soffset, unsigned int nob) { @@ -880,9 +675,9 @@ lnet_copy_iov2flat(int dlen, void *dest, unsigned int doffset, } static inline void -lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset, - unsigned int nsiov, lnet_kiov_t *skiov, unsigned int soffset, - unsigned int nob) +lnet_copy_kiov2flat(int dlen, void __user *dest, unsigned int doffset, + unsigned int nsiov, lnet_kiov_t *skiov, + unsigned int soffset, unsigned int nob) { struct iovec diov = {/* .iov_base = */ dest, /* .iov_len = */ dlen}; @@ -892,7 +687,8 @@ lnet_copy_kiov2flat(int dlen, void *dest, unsigned int doffset, static inline void lnet_copy_flat2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset, - int slen, void *src, unsigned int soffset, unsigned int nob) + int slen, void __user *src, unsigned int soffset, + unsigned int nob) { struct iovec siov = {/*.iov_base = */ src, /*.iov_len = */slen}; lnet_copy_iov2iov(ndiov, diov, doffset, @@ -900,8 +696,9 @@ lnet_copy_flat2iov(unsigned int ndiov, struct iovec *diov, unsigned int doffset, } static inline void -lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov, unsigned int doffset, - int slen, void *src, unsigned int soffset, unsigned int nob) +lnet_copy_flat2kiov(unsigned int ndiov, lnet_kiov_t *dkiov, + unsigned int doffset, int slen, void __user *src, + unsigned int soffset, unsigned int nob) { struct iovec siov = {/* .iov_base = */ src, /* .iov_len = */ slen}; lnet_copy_iov2kiov(ndiov, dkiov, doffset, @@ -915,70 +712,72 @@ void lnet_md_deconstruct(lnet_libmd_t *lmd, lnet_md_t *umd); void lnet_register_lnd(lnd_t *lnd); void lnet_unregister_lnd(lnd_t *lnd); -int lnet_set_ip_niaddr (lnet_ni_t *ni); -#ifdef __KERNEL__ -int lnet_connect(cfs_socket_t **sockp, lnet_nid_t peer_nid, +int lnet_connect(struct socket **sockp, lnet_nid_t peer_nid, __u32 local_ip, __u32 peer_ip, int peer_port); void lnet_connect_console_error(int rc, lnet_nid_t peer_nid, __u32 peer_ip, int port); int lnet_count_acceptor_nis(void); int lnet_acceptor_timeout(void); int lnet_acceptor_port(void); -#else -void lnet_router_checker(void); -#endif +int lnet_acceptor_start(void); +void lnet_acceptor_stop(void); -#ifdef HAVE_LIBPTHREAD -int lnet_count_acceptor_nis(void); -int lnet_acceptor_port(void); +#ifndef HAVE_SK_SLEEP +static inline wait_queue_head_t *sk_sleep(struct sock *sk) +{ + return sk->sk_sleep; +} #endif -int lnet_acceptor_start(void); -void lnet_acceptor_stop(void); +int lnet_ipif_query(char *name, int *up, __u32 *ip, __u32 *mask); +int lnet_ipif_enumerate(char ***names); +void lnet_ipif_free_enumeration(char **names, int n); +int lnet_sock_setbuf(struct socket *socket, int txbufsize, int rxbufsize); +int lnet_sock_getbuf(struct socket *socket, int *txbufsize, int *rxbufsize); +int lnet_sock_getaddr(struct socket *socket, bool remote, __u32 *ip, int *port); +int lnet_sock_write(struct socket *sock, void *buffer, int nob, int timeout); +int lnet_sock_read(struct socket *sock, void *buffer, int nob, int timeout); + +int lnet_sock_listen(struct socket **sockp, __u32 ip, int port, int backlog); +int lnet_sock_accept(struct socket **newsockp, struct socket *sock); +int lnet_sock_connect(struct socket **sockp, int *fatal, + __u32 local_ip, int local_port, + __u32 peer_ip, int peer_port); -void lnet_get_tunables(void); int lnet_peers_start_down(void); int lnet_peer_buffer_credits(lnet_ni_t *ni); int lnet_router_checker_start(void); void lnet_router_checker_stop(void); +void lnet_router_ni_update_locked(lnet_peer_t *gw, __u32 net); void lnet_swap_pinginfo(lnet_ping_info_t *info); -int lnet_ping_target_init(void); -void lnet_ping_target_fini(void); -int lnet_ping(lnet_process_id_t id, int timeout_ms, - lnet_process_id_t *ids, int n_ids); - -int lnet_parse_ip2nets (char **networksp, char *ip2nets); -int lnet_parse_routes (char *route_str, int *im_a_router); -int lnet_parse_networks (cfs_list_t *nilist, char *networks); +int lnet_parse_ip2nets(char **networksp, char *ip2nets); +int lnet_parse_routes(char *route_str, int *im_a_router); +int lnet_parse_networks(struct list_head *nilist, char *networks); +int lnet_net_unique(__u32 net, struct list_head *nilist); int lnet_nid2peer_locked(lnet_peer_t **lpp, lnet_nid_t nid, int cpt); lnet_peer_t *lnet_find_peer_locked(struct lnet_peer_table *ptable, lnet_nid_t nid); -void lnet_peer_tables_cleanup(void); +void lnet_peer_tables_cleanup(lnet_ni_t *ni); void lnet_peer_tables_destroy(void); int lnet_peer_tables_create(void); void lnet_debug_peer(lnet_nid_t nid); +int lnet_get_peer_info(__u32 peer_index, __u64 *nid, + char alivness[LNET_MAX_STR_LEN], + __u32 *cpt_iter, __u32 *refcount, + __u32 *ni_peer_tx_credits, __u32 *peer_tx_credits, + __u32 *peer_rtr_credits, __u32 *peer_min_rtr_credtis, + __u32 *peer_tx_qnob); -#ifndef __KERNEL__ -static inline int -lnet_parse_int_tunable(int *value, char *name) +static inline void +lnet_peer_set_alive(lnet_peer_t *lp) { - char *env = getenv(name); - char *end; - - if (env == NULL) - return 0; - - *value = strtoull(env, &end, 0); - if (*end == 0) - return 0; - - CERROR("Can't parse tunable %s=%s\n", name, env); - return -EINVAL; + lp->lp_last_alive = lp->lp_last_query = cfs_time_current(); + if (!lp->lp_alive) + lnet_notify_locked(lp, 0, 1, lp->lp_last_alive); } -#endif #endif