/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2004 Cluster File Systems, Inc.
- * Author: Eric Barton <eric@bartonsoftware.com>
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * 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.
*
- * Lustre 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 for more details.
+ * 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 LICENSE file that accompanied this code).
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
+ *
+ * lnet/klnds/ralnd/ralnd.h
+ *
+ * Author: Eric Barton <eric@bartonsoftware.com>
*/
#ifndef EXPORT_SYMTAB
# define EXPORT_SYMTAB
#endif
-
+#ifndef AUTOCONF_INCLUDED
#include <linux/config.h>
+#endif
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <net/sock.h>
#include <linux/in.h>
-#define DEBUG_SUBSYSTEM S_NAL
+#define DEBUG_SUBSYSTEM S_LND
-#include <libcfs/kp30.h>
-#include <portals/p30.h>
-#include <portals/lib-p30.h>
-#include <portals/nal.h>
+#include <libcfs/libcfs.h>
+#include <lnet/lnet.h>
+#include <lnet/lib-lnet.h>
#include <rapl.h>
-#define RANAL_MAXDEVS 2 /* max # devices RapidArray supports */
+/* tunables determined at compile time */
+#define RANAL_RESCHED 100 /* # scheduler loops before reschedule */
-#define RANAL_N_CONND 4 /* # connection daemons */
+#define RANAL_PEER_HASH_SIZE 101 /* # peer lists */
+#define RANAL_CONN_HASH_SIZE 101 /* # conn lists */
-#define RANAL_MIN_RECONNECT_INTERVAL 1 /* first failed connection retry (seconds)... */
-#define RANAL_MAX_RECONNECT_INTERVAL 60 /* ...exponentially increasing to this */
+#define RANAL_MIN_TIMEOUT 5 /* minimum timeout interval (seconds) */
+#define RANAL_TIMEOUT2KEEPALIVE(t) (((t)+1)/2) /* timeout -> keepalive interval */
-#define RANAL_FMA_MAX_PREFIX 232 /* max size of FMA "Prefix" */
+/* fixed constants */
+#define RANAL_MAXDEVS 2 /* max # devices RapidArray supports */
+#define RANAL_FMA_MAX_PREFIX 232 /* max bytes in FMA "Prefix" we can use */
#define RANAL_FMA_MAX_DATA ((7<<10)-256) /* Max FMA MSG is 7K including prefix */
-#define RANAL_PEER_HASH_SIZE 101 /* # peer lists */
-#define RANAL_CONN_HASH_SIZE 101 /* # conn lists */
-
-#define RANAL_NTX 64 /* # tx descs */
-#define RANAL_NTX_NBLK 256 /* # reserved tx descs */
-
-#define RANAL_FMA_CQ_SIZE 8192 /* # entries in receive CQ
- * (overflow is a performance hit) */
-
-#define RANAL_RESCHED 100 /* # scheduler loops before reschedule */
-
-#define RANAL_MIN_TIMEOUT 5 /* minimum timeout interval (seconds) */
-#define RANAL_TIMEOUT2KEEPALIVE(t) (((t)+1)/2) /* timeout -> keepalive interval */
-
-/* default vals for runtime tunables */
-#define RANAL_TIMEOUT 30 /* comms timeout (seconds) */
-#define RANAL_LISTENER_TIMEOUT 5 /* listener timeout (seconds) */
-#define RANAL_BACKLOG 127 /* listener's backlog */
-#define RANAL_PORT 988 /* listener's port */
-#define RANAL_MAX_IMMEDIATE (2<<10) /* immediate payload breakpoint */
typedef struct
{
- int kra_timeout; /* comms timeout (seconds) */
- int kra_listener_timeout; /* max time the listener can block */
- int kra_backlog; /* listener's backlog */
- int kra_port; /* listener's TCP/IP port */
- int kra_max_immediate; /* immediate payload breakpoint */
-
- struct ctl_table_header *kra_sysctl; /* sysctl interface */
+ int *kra_n_connd; /* # connection daemons */
+ int *kra_min_reconnect_interval; /* first failed connection retry... */
+ int *kra_max_reconnect_interval; /* ...exponentially increasing to this */
+ int *kra_ntx; /* # tx descs */
+ int *kra_credits; /* # concurrent sends */
+ int *kra_peercredits; /* # concurrent sends to 1 peer */
+ int *kra_fma_cq_size; /* # entries in receive CQ */
+ int *kra_timeout; /* comms timeout (seconds) */
+ int *kra_max_immediate; /* immediate payload breakpoint */
+
+#if CONFIG_SYSCTL && !CFS_SYSFS_MODULE_PARM
+ cfs_sysctl_table_header_t *kra_sysctl; /* sysctl interface */
+#endif
} kra_tunables_t;
typedef struct
wait_queue_head_t rad_waitq; /* scheduler waits here */
spinlock_t rad_lock; /* serialise */
void *rad_scheduler; /* scheduling thread */
+ unsigned int rad_nphysmap; /* # phys mappings */
+ unsigned int rad_nppphysmap; /* # phys pages mapped */
+ unsigned int rad_nvirtmap; /* # virt mappings */
+ unsigned long rad_nobvirtmap; /* # virt bytes mapped */
} kra_device_t;
typedef struct
int kra_init; /* initialisation state */
int kra_shutdown; /* shut down? */
atomic_t kra_nthreads; /* # live threads */
-
- struct semaphore kra_nid_mutex; /* serialise NID/listener ops */
- struct semaphore kra_listener_signal; /* block for listener startup/shutdown */
- struct socket *kra_listener_sock; /* listener's socket */
- int kra_listener_shutdown; /* ask listener to close */
-
+ lnet_ni_t *kra_ni; /* _the_ nal instance */
+
kra_device_t kra_devices[RANAL_MAXDEVS]; /* device/ptag/cq etc */
int kra_ndevs; /* # devices */
struct list_head *kra_peers; /* hash table of all my known peers */
int kra_peer_hash_size; /* size of kra_peers */
atomic_t kra_npeers; /* # peers extant */
+ int kra_nonewpeers; /* prevent new peers */
struct list_head *kra_conns; /* conns hashed by cqid */
int kra_conn_hash_size; /* size of kra_conns */
spinlock_t kra_connd_lock; /* serialise */
struct list_head kra_idle_txs; /* idle tx descriptors */
- struct list_head kra_idle_nblk_txs; /* idle reserved tx descriptors */
__u64 kra_next_tx_cookie; /* RDMA completion cookie */
- wait_queue_head_t kra_idle_tx_waitq; /* block here for tx descriptor */
spinlock_t kra_tx_lock; /* serialise */
} kra_data_t;
#define RANAL_INIT_NOTHING 0
#define RANAL_INIT_DATA 1
-#define RANAL_INIT_LIB 2
-#define RANAL_INIT_ALL 3
+#define RANAL_INIT_ALL 2
typedef struct kra_acceptsock /* accepted socket queued for connd */
{
typedef struct
{
- ptl_hdr_t raim_hdr; /* portals header */
+ lnet_hdr_t raim_hdr; /* portals header */
/* Portals payload is in FMA "Message Data" */
} kra_immediate_msg_t;
typedef struct
{
- ptl_hdr_t raprm_hdr; /* portals header */
+ lnet_hdr_t raprm_hdr; /* portals header */
__u64 raprm_cookie; /* opaque completion cookie */
} kra_putreq_msg_t;
typedef struct
{
- ptl_hdr_t ragm_hdr; /* portals header */
+ lnet_hdr_t ragm_hdr; /* portals header */
__u64 ragm_cookie; /* opaque completion cookie */
kra_rdma_desc_t ragm_desc; /* sender's sink buffer */
} kra_get_msg_t;
__u32 ram_seq; /* incrementing sequence number */
} kra_msg_t;
-#define RANAL_MSG_MAGIC 0x0be91b92 /* unique magic */
+#define RANAL_MSG_MAGIC LNET_PROTO_RA_MAGIC /* unique magic */
#define RANAL_MSG_VERSION 1 /* current protocol version */
#define RANAL_MSG_FENCE 0x80 /* fence RDMA */
{
struct list_head tx_list; /* queue on idle_txs/rac_sendq/rac_waitq */
struct kra_conn *tx_conn; /* owning conn */
- lib_msg_t *tx_libmsg[2]; /* lib msgs to finalize on completion */
+ lnet_msg_t *tx_lntmsg[2]; /* ptl msgs to finalize on completion */
unsigned long tx_qtime; /* when tx started to wait for something (jiffies) */
- int tx_isnblk; /* I'm reserved for non-blocking sends */
int tx_nob; /* # bytes of payload */
int tx_buftype; /* payload buffer type */
void *tx_buffer; /* source/sink buffer */
struct list_head rap_connd_list; /* schedule on kra_connd_peers */
struct list_head rap_conns; /* all active connections */
struct list_head rap_tx_queue; /* msgs waiting for a conn */
- ptl_nid_t rap_nid; /* who's on the other end(s) */
+ lnet_nid_t rap_nid; /* who's on the other end(s) */
__u32 rap_ip; /* IP address of peer */
int rap_port; /* port on which peer listens */
atomic_t rap_refcount; /* # users */
unsigned long rap_reconnect_interval; /* exponential backoff */
} kra_peer_t;
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
-# define sk_allocation allocation
-# define sk_data_ready data_ready
-# define sk_write_space write_space
-# define sk_user_data user_data
-# define sk_prot prot
-# define sk_sndbuf sndbuf
-# define sk_socket socket
-# define sk_wmem_queued wmem_queued
-# define sk_err err
-# define sk_sleep sleep
-#endif
-
-extern lib_nal_t kranal_lib;
extern kra_data_t kranal_data;
extern kra_tunables_t kranal_tunables;
static inline void
kranal_peer_addref(kra_peer_t *peer)
{
- CDEBUG(D_NET, "%p->"LPX64"\n", peer, peer->rap_nid);
+ CDEBUG(D_NET, "%p->%s\n", peer, libcfs_nid2str(peer->rap_nid));
LASSERT(atomic_read(&peer->rap_refcount) > 0);
atomic_inc(&peer->rap_refcount);
}
static inline void
kranal_peer_decref(kra_peer_t *peer)
{
- CDEBUG(D_NET, "%p->"LPX64"\n", peer, peer->rap_nid);
+ CDEBUG(D_NET, "%p->%s\n", peer, libcfs_nid2str(peer->rap_nid));
LASSERT(atomic_read(&peer->rap_refcount) > 0);
if (atomic_dec_and_test(&peer->rap_refcount))
kranal_destroy_peer(peer);
}
static inline struct list_head *
-kranal_nid2peerlist (ptl_nid_t nid)
+kranal_nid2peerlist (lnet_nid_t nid)
{
unsigned int hash = ((unsigned int)nid) % kranal_data.kra_peer_hash_size;
static inline void
kranal_conn_addref(kra_conn_t *conn)
{
- CDEBUG(D_NET, "%p->"LPX64"\n", conn, conn->rac_peer->rap_nid);
+ CDEBUG(D_NET, "%p->%s\n", conn,
+ libcfs_nid2str(conn->rac_peer->rap_nid));
LASSERT(atomic_read(&conn->rac_refcount) > 0);
atomic_inc(&conn->rac_refcount);
}
static inline void
kranal_conn_decref(kra_conn_t *conn)
{
- CDEBUG(D_NET, "%p->"LPX64"\n", conn, conn->rac_peer->rap_nid);
+ CDEBUG(D_NET, "%p->%s\n", conn,
+ libcfs_nid2str(conn->rac_peer->rap_nid));
LASSERT(atomic_read(&conn->rac_refcount) > 0);
if (atomic_dec_and_test(&conn->rac_refcount))
kranal_destroy_conn(conn);
tx->tx_buftype == RANAL_BUF_PHYS_MAPPED);
}
-static inline __u64
-kranal_page2phys (struct page *p)
-{
- return page_to_phys(p);
-}
+int kranal_startup (lnet_ni_t *ni);
+void kranal_shutdown (lnet_ni_t *ni);
+int kranal_ctl(lnet_ni_t *ni, unsigned int cmd, void *arg);
+int kranal_send (lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg);
+int kranal_eager_recv(lnet_ni_t *ni, void *private,
+ lnet_msg_t *lntmsg, void **new_private);
+int kranal_recv(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg,
+ int delayed, unsigned int niov,
+ struct iovec *iov, lnet_kiov_t *kiov,
+ unsigned int offset, unsigned int mlen, unsigned int rlen);
+int kranal_accept(lnet_ni_t *ni, struct socket *sock);
extern void kranal_free_acceptsock (kra_acceptsock_t *ras);
-extern int kranal_listener_procint (ctl_table *table,
+extern int kranal_listener_procint (cfs_sysctl_table_t *table,
int write, struct file *filp,
void *buffer, size_t *lenp);
extern void kranal_update_reaper_timeout (long timeout);
extern void kranal_tx_done (kra_tx_t *tx, int completion);
extern void kranal_unlink_peer_locked (kra_peer_t *peer);
extern void kranal_schedule_conn (kra_conn_t *conn);
-extern kra_peer_t *kranal_create_peer (ptl_nid_t nid);
-extern kra_peer_t *kranal_find_peer_locked (ptl_nid_t nid);
+extern int kranal_create_peer (kra_peer_t **peerp, lnet_nid_t nid);
+extern int kranal_add_persistent_peer (lnet_nid_t nid, __u32 ip, int port);
+extern kra_peer_t *kranal_find_peer_locked (lnet_nid_t nid);
extern void kranal_post_fma (kra_conn_t *conn, kra_tx_t *tx);
-extern int kranal_del_peer (ptl_nid_t nid, int single_share);
+extern int kranal_del_peer (lnet_nid_t nid);
extern void kranal_device_callback (RAP_INT32 devid, RAP_PVOID arg);
extern int kranal_thread_start (int(*fn)(void *arg), void *arg);
extern int kranal_connd (void *arg);
extern int kranal_reaper (void *arg);
extern int kranal_scheduler (void *arg);
extern void kranal_close_conn_locked (kra_conn_t *conn, int error);
+extern void kranal_close_conn (kra_conn_t *conn, int error);
extern void kranal_terminate_conn_locked (kra_conn_t *conn);
extern void kranal_connect (kra_peer_t *peer);
extern int kranal_conn_handshake (struct socket *sock, kra_peer_t *peer);
-extern void kranal_pause(int ticks);
+extern int kranal_tunables_init(void);
+extern void kranal_tunables_fini(void);
+extern void kranal_init_msg(kra_msg_t *msg, int type);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff