#ifndef __LNET_LIB_LNET_H__
#define __LNET_LIB_LNET_H__
-#define LNET_ROUTER
-
#include <libcfs/libcfs.h>
#include <lnet/types.h>
#include <lnet/lnet.h>
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)
#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) 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_MUTEX_LOCK(m) mutex_lock(m)
#define LNET_MUTEX_UNLOCK(m) 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 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 (list_empty(&fl->fl_list))
- return NULL;
-
- o = list_entry(fl->fl_list.next, lnet_freeobj_t, fo_list);
- 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 = list_entry(obj, lnet_freeobj_t, fo_contents);
-
- 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)
- 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));
- }
- 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));
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;
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)
static inline lnet_me_t *
lnet_me_alloc (void)
{
- /* NEVER called with liblock held */
lnet_me_t *me;
LIBCFS_ALLOC(me, sizeof(*me));
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));
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,
return lp->lp_rtr_refcount != 0;
}
-/* check if it's a router checker ping */
-static inline int
-lnet_msg_is_rc_ping(struct lnet_msg *msg)
-{
- lnet_hdr_t *hdr = &msg->msg_hdr;
-
- return msg->msg_type == LNET_MSG_GET &&
- hdr->msg.get.ptl_index == cpu_to_le32(LNET_RESERVED_PORTAL) &&
- hdr->msg.get.match_bits ==
- cpu_to_le64(LNET_PROTO_PING_MATCHBITS);
-}
-
-/* peer aliveness is enabled in a network where lnet_ni_t::ni_peertimeout has
- * been set to a positive value, it's only valid for router peers or peers on
- * routers.
- */
-static inline int
-lnet_peer_aliveness_enabled(struct lnet_peer *lp)
-{
- if (lp->lp_ni->ni_peertimeout <= 0)
- return 0;
-
- return the_lnet.ln_routing || lnet_isrouter(lp);
-}
-
static inline void
lnet_ni_addref_locked(lnet_ni_t *ni, int cpt)
{
}
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)
extern lnd_t the_lolnd;
extern int avoid_asym_router_failure;
-#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
-
extern int lnet_cpt_of_nid_locked(lnet_nid_t nid);
extern int lnet_cpt_of_nid(lnet_nid_t nid);
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,
__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);
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,
__u32 local_ip, __u32 peer_ip, int peer_port);
void lnet_connect_console_error(int rc, lnet_nid_t peer_nid,
int lnet_count_acceptor_nis(void);
int lnet_acceptor_timeout(void);
int lnet_acceptor_port(void);
-#else
-void lnet_router_checker(void);
-#endif
-
-#ifdef HAVE_LIBPTHREAD
-int lnet_count_acceptor_nis(void);
-int lnet_acceptor_port(void);
-#endif
-
int lnet_acceptor_start(void);
void lnet_acceptor_stop(void);
-void lnet_get_tunables(void);
int lnet_peers_start_down(void);
int lnet_peer_buffer_credits(lnet_ni_t *ni);
lnet_notify_locked(lp, 0, 1, lp->lp_last_alive);
}
-#ifndef __KERNEL__
-static inline int
-lnet_parse_int_tunable(int *value, char *name)
-{
- 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;
-}
-#endif
-
#endif
git://git.whamcloud.com / fs / lustre-release.git / blobdiff