*
* 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012 - 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
+ * Lustre is a trademark of Seagate, Inc.
*
* lnet/include/lnet/lib-lnet.h
- *
- * Top level include for library side routines
*/
#ifndef __LNET_LIB_LNET_H__
#define __LNET_LIB_LNET_H__
-#include "linux/lib-lnet.h"
#include "../libcfs/libcfs.h"
-#include "types.h"
+#include "api.h"
#include "lnet.h"
#include "lib-types.h"
-extern lnet_t the_lnet; /* THE network */
-
-#if defined(LNET_USE_LIB_FREELIST)
-/* 1 CPT, simplify implementation... */
-# define LNET_CPT_MAX_BITS 0
-
-#else /* KERNEL and no freelist */
+extern lnet_t the_lnet; /* THE network */
-# 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_CPT_MAX (1 << LNET_CPT_MAX_BITS)
-#define LNET_CPT_NUMBER (the_lnet.ln_cpt_number)
-#define LNET_CPT_BITS (the_lnet.ln_cpt_bits)
-#define LNET_CPT_MASK ((1ULL << LNET_CPT_BITS) - 1)
+#define LNET_CPT_NUMBER (the_lnet.ln_cpt_number)
+#define LNET_CPT_BITS (the_lnet.ln_cpt_bits)
+#define LNET_CPT_MASK ((1ULL << LNET_CPT_BITS) - 1)
/** exclusive lock */
-#define LNET_LOCK_EX CFS_PERCPT_LOCK_EX
+#define LNET_LOCK_EX CFS_PERCPT_LOCK_EX
static inline int lnet_is_wire_handle_none(lnet_handle_wire_t *wh)
{
#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 implementation */
-#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 */
+#define MAX_PORTALS 64
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;
+ unsigned int size;
+ unsigned int niov;
if ((umd->options & LNET_MD_KIOV) != 0) {
niov = umd->length;
static inline void
lnet_md_free(lnet_libmd_t *md)
{
- /* ALWAYS called with resource lock held */
- unsigned int size;
+ unsigned int size;
if ((md->md_options & LNET_MD_KIOV) != 0)
size = offsetof(lnet_libmd_t, md_iov.kiov[md->md_niov]);
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,
static inline void
lnet_res_lh_invalidate(lnet_libhandle_t *lh)
{
- /* ALWAYS called with resource lock held */
/* NB: cookie is still useful, don't reset it */
list_del(&lh->lh_hash_chain);
}
static inline lnet_eq_t *
lnet_handle2eq(lnet_handle_eq_t *handle)
{
- /* ALWAYS called with resource lock held */
lnet_libhandle_t *lh;
lh = lnet_res_lh_lookup(&the_lnet.ln_eq_container, handle->cookie);
{
/* ALWAYS called with resource lock held */
lnet_libhandle_t *lh;
- int cpt;
+ int cpt;
cpt = lnet_cpt_of_cookie(handle->cookie);
lh = lnet_res_lh_lookup(the_lnet.ln_md_containers[cpt],
{
/* ALWAYS called with resource lock held */
lnet_libhandle_t *lh;
- int cpt;
+ int cpt;
if (wh->wh_interface_cookie != the_lnet.ln_interface_cookie)
return NULL;
{
/* ALWAYS called with resource lock held */
lnet_libhandle_t *lh;
- int cpt;
+ int cpt;
cpt = lnet_cpt_of_cookie(handle->cookie);
lh = lnet_res_lh_lookup(the_lnet.ln_me_containers[cpt],
lnet_ni_t *lnet_net2ni_locked(__u32 net, int cpt);
lnet_ni_t *lnet_net2ni(__u32 net);
+int lnet_init(void);
+void lnet_fini(void);
+
int lnet_notify(lnet_ni_t *ni, lnet_nid_t peer, int alive, unsigned long when);
void lnet_notify_locked(lnet_peer_t *lp, int notifylnd, int alive,
unsigned long when);
void lnet_destroy_routes(void);
int lnet_get_route(int idx, __u32 *net, __u32 *hops,
lnet_nid_t *gateway, __u32 *alive, __u32 *priority);
-void lnet_proc_init(void);
-void lnet_proc_fini(void);
+void lnet_router_debugfs_init(void);
+void lnet_router_debugfs_fini(void);
int lnet_rtrpools_alloc(int im_a_router);
void lnet_rtrpools_free(void);
lnet_remotenet_t *lnet_find_net_locked(__u32 net);
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(struct list_head *head, char *reason);
void lnet_recv_delayed_msg_list(struct list_head *head);
void lnet_register_lnd(lnd_t *lnd);
void lnet_unregister_lnd(lnd_t *lnd);
-int lnet_set_ip_niaddr(lnet_ni_t *ni);
int lnet_connect(struct socket **sockp, lnet_nid_t peer_nid,
__u32 local_ip, __u32 peer_ip, int peer_port);
int lnet_acceptor_start(void);
void lnet_acceptor_stop(void);
-void lnet_get_tunables(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 libcfs_sock_release(struct socket *sock);
+
int lnet_peers_start_down(void);
int lnet_peer_buffer_credits(lnet_ni_t *ni);
int lnet_peer_tables_create(void);
void lnet_debug_peer(lnet_nid_t nid);
-static inline void lnet_peer_set_alive(lnet_peer_t *lp)
+static inline void
+lnet_peer_set_alive(lnet_peer_t *lp)
{
- lp->lp_last_alive = lp->lp_last_query = get_seconds();
+ lp->lp_last_alive = lp->lp_last_query = jiffies;
if (!lp->lp_alive)
lnet_notify_locked(lp, 0, 1, lp->lp_last_alive);
}
-
#endif
Code Review / kvmfornfv.git / blobdiff