-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2004 Cluster File Systems, Inc.
- * Author: Eric Barton <eric@bartonsoftware.com>
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * 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 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 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).
*
- * 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.
+ * 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
*
- * 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.
+ * 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 (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, Intel Corporation.
+ */
+/*
+ * 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 <linux/string.h>
#include <linux/stat.h>
#include <linux/errno.h>
-#include <linux/smp_lock.h>
#include <linux/unistd.h>
#include <linux/uio.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#define DEBUG_SUBSYSTEM S_LND
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.h>
#include <lnet/lnet.h>
#include <lnet/lib-lnet.h>
+#include <lnet/lnet-sysctl.h>
#include <rapl.h>
int *kra_max_immediate; /* immediate payload breakpoint */
#if CONFIG_SYSCTL && !CFS_SYSFS_MODULE_PARM
- struct ctl_table_header *kra_sysctl; /* sysctl interface */
+ cfs_sysctl_table_header_t *kra_sysctl; /* sysctl interface */
#endif
} kra_tunables_t;
typedef struct
{
- RAP_PVOID rad_handle; /* device handle */
- RAP_PVOID rad_fma_cqh; /* FMA completion queue handle */
- RAP_PVOID rad_rdma_cqh; /* rdma completion queue handle */
- int rad_id; /* device id */
- int rad_idx; /* index in kra_devices */
- int rad_ready; /* set by device callback */
- struct list_head rad_ready_conns;/* connections ready to tx/rx */
- struct list_head rad_new_conns; /* new connections to complete */
- 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 */
+ RAP_PVOID rad_handle; /* device handle */
+ RAP_PVOID rad_fma_cqh; /* FMA completion queue handle */
+ RAP_PVOID rad_rdma_cqh; /* rdma completion queue handle */
+ int rad_id; /* device id */
+ int rad_idx; /* index in kra_devices */
+ int rad_ready; /* set by device callback */
+ cfs_list_t rad_ready_conns;/* connections ready to tx/rx */
+ cfs_list_t rad_new_conns; /* new connections to complete */
+ cfs_waitq_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 */
- lnet_ni_t *kra_ni; /* _the_ nal instance */
-
- kra_device_t kra_devices[RANAL_MAXDEVS]; /* device/ptag/cq etc */
- int kra_ndevs; /* # devices */
-
- rwlock_t kra_global_lock; /* stabilize peer/conn ops */
-
- 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 */
- __u64 kra_peerstamp; /* when I started up */
- __u64 kra_connstamp; /* conn stamp generator */
- int kra_next_cqid; /* cqid generator */
- atomic_t kra_nconns; /* # connections extant */
-
- long kra_new_min_timeout; /* minimum timeout on any new conn */
- wait_queue_head_t kra_reaper_waitq; /* reaper sleeps here */
- spinlock_t kra_reaper_lock; /* serialise */
-
- struct list_head kra_connd_peers; /* peers waiting for a connection */
- struct list_head kra_connd_acceptq; /* accepted sockets to handshake */
- wait_queue_head_t kra_connd_waitq; /* connection daemons sleep here */
- spinlock_t kra_connd_lock; /* serialise */
-
- struct list_head kra_idle_txs; /* idle tx descriptors */
- __u64 kra_next_tx_cookie; /* RDMA completion cookie */
- spinlock_t kra_tx_lock; /* serialise */
+ int kra_init; /* initialisation state */
+ int kra_shutdown; /* shut down? */
+ cfs_atomic_t kra_nthreads; /* # live threads */
+ lnet_ni_t *kra_ni; /* _the_ nal instance */
+
+ kra_device_t kra_devices[RANAL_MAXDEVS]; /* device/ptag/cq */
+ int kra_ndevs; /* # devices */
+
+ rwlock_t kra_global_lock; /* stabilize peer/conn ops */
+
+ cfs_list_t *kra_peers; /* hash table of all my known peers */
+ int kra_peer_hash_size; /* size of kra_peers */
+ cfs_atomic_t kra_npeers; /* # peers extant */
+ int kra_nonewpeers; /* prevent new peers */
+
+ cfs_list_t *kra_conns; /* conns hashed by cqid */
+ int kra_conn_hash_size; /* size of kra_conns */
+ __u64 kra_peerstamp; /* when I started up */
+ __u64 kra_connstamp; /* conn stamp generator */
+ int kra_next_cqid; /* cqid generator */
+ cfs_atomic_t kra_nconns; /* # connections extant */
+
+ long kra_new_min_timeout; /* minimum timeout on any new conn */
+ cfs_waitq_t kra_reaper_waitq; /* reaper sleeps here */
+ spinlock_t kra_reaper_lock; /* serialise */
+
+ cfs_list_t kra_connd_peers; /* peers waiting for a connection */
+ cfs_list_t kra_connd_acceptq; /* accepted sockets to handshake */
+ cfs_waitq_t kra_connd_waitq; /* connection daemons sleep here */
+ spinlock_t kra_connd_lock; /* serialise */
+
+ cfs_list_t kra_idle_txs; /* idle tx descriptors */
+ __u64 kra_next_tx_cookie; /* RDMA completion cookie */
+ spinlock_t kra_tx_lock; /* serialise */
} kra_data_t;
#define RANAL_INIT_NOTHING 0
#define RANAL_INIT_DATA 1
#define RANAL_INIT_ALL 2
-typedef struct kra_acceptsock /* accepted socket queued for connd */
+typedef struct kra_acceptsock /* accepted socket queued for connd */
{
- struct list_head ras_list; /* queue for attention */
+ cfs_list_t ras_list; /* queue for attention */
struct socket *ras_sock; /* the accepted socket */
} kra_acceptsock_t;
typedef struct kra_tx /* message descriptor */
{
- struct list_head tx_list; /* queue on idle_txs/rac_sendq/rac_waitq */
- struct kra_conn *tx_conn; /* owning conn */
- 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_nob; /* # bytes of payload */
- int tx_buftype; /* payload buffer type */
- void *tx_buffer; /* source/sink buffer */
- int tx_phys_offset; /* first page offset (if phys) */
- int tx_phys_npages; /* # physical pages */
- RAP_PHYS_REGION *tx_phys; /* page descriptors */
- RAP_MEM_KEY tx_map_key; /* mapping key */
- RAP_RDMA_DESCRIPTOR tx_rdma_desc; /* rdma descriptor */
- __u64 tx_cookie; /* identify this tx to peer */
- kra_msg_t tx_msg; /* FMA message buffer */
+ cfs_list_t tx_list; /* queue on idle_txs/rac_sendq/rac_waitq */
+ struct kra_conn *tx_conn; /* owning conn */
+ 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_nob; /* # bytes of payload */
+ int tx_buftype; /* payload buffer type */
+ void *tx_buffer; /* source/sink buffer */
+ int tx_phys_offset; /* first page offset (if phys) */
+ int tx_phys_npages; /* # physical pages */
+ RAP_PHYS_REGION *tx_phys; /* page descriptors */
+ RAP_MEM_KEY tx_map_key; /* mapping key */
+ RAP_RDMA_DESCRIPTOR tx_rdma_desc; /* rdma descriptor */
+ __u64 tx_cookie; /* identify this tx to peer */
+ kra_msg_t tx_msg; /* FMA message buffer */
} kra_tx_t;
#define RANAL_BUF_NONE 0 /* buffer type not set */
typedef struct kra_conn
{
struct kra_peer *rac_peer; /* owning peer */
- struct list_head rac_list; /* stash on peer's conn list */
- struct list_head rac_hashlist; /* stash in connection hash table */
- struct list_head rac_schedlist; /* schedule (on rad_???_conns) for attention */
- struct list_head rac_fmaq; /* txs queued for FMA */
- struct list_head rac_rdmaq; /* txs awaiting RDMA completion */
- struct list_head rac_replyq; /* txs awaiting replies */
- __u64 rac_peerstamp; /* peer's unique stamp */
- __u64 rac_peer_connstamp; /* peer's unique connection stamp */
- __u64 rac_my_connstamp; /* my unique connection stamp */
- unsigned long rac_last_tx; /* when I last sent an FMA message (jiffies) */
- unsigned long rac_last_rx; /* when I last received an FMA messages (jiffies) */
- long rac_keepalive; /* keepalive interval (seconds) */
- long rac_timeout; /* infer peer death if no rx for this many seconds */
- __u32 rac_cqid; /* my completion callback id (non-unique) */
- __u32 rac_tx_seq; /* tx msg sequence number */
- __u32 rac_rx_seq; /* rx msg sequence number */
- atomic_t rac_refcount; /* # users */
- unsigned int rac_close_sent; /* I've sent CLOSE */
- unsigned int rac_close_recvd; /* I've received CLOSE */
- unsigned int rac_state; /* connection state */
- unsigned int rac_scheduled; /* being attented to */
- spinlock_t rac_lock; /* serialise */
- kra_device_t *rac_device; /* which device */
- RAP_PVOID rac_rihandle; /* RA endpoint */
- kra_msg_t *rac_rxmsg; /* incoming message (FMA prefix) */
- kra_msg_t rac_msg; /* keepalive/CLOSE message buffer */
+ cfs_list_t rac_list; /* stash on peer's conn list */
+ cfs_list_t rac_hashlist; /* stash in connection hash table */
+ cfs_list_t rac_schedlist; /* schedule (on rad_???_conns) for attention */
+ cfs_list_t rac_fmaq; /* txs queued for FMA */
+ cfs_list_t rac_rdmaq; /* txs awaiting RDMA completion */
+ cfs_list_t rac_replyq; /* txs awaiting replies */
+ __u64 rac_peerstamp; /* peer's unique stamp */
+ __u64 rac_peer_connstamp;/* peer's unique connection stamp */
+ __u64 rac_my_connstamp; /* my unique connection stamp */
+ unsigned long rac_last_tx; /* when I last sent an FMA message (jiffies) */
+ unsigned long rac_last_rx; /* when I last received an FMA messages (jiffies) */
+ long rac_keepalive; /* keepalive interval (seconds) */
+ long rac_timeout; /* infer peer death if no rx for this many seconds */
+ __u32 rac_cqid; /* my completion callback id (non-unique) */
+ __u32 rac_tx_seq; /* tx msg sequence number */
+ __u32 rac_rx_seq; /* rx msg sequence number */
+ cfs_atomic_t rac_refcount; /* # users */
+ unsigned int rac_close_sent; /* I've sent CLOSE */
+ unsigned int rac_close_recvd; /* I've received CLOSE */
+ unsigned int rac_state; /* connection state */
+ unsigned int rac_scheduled; /* being attented to */
+ spinlock_t rac_lock; /* serialise */
+ kra_device_t *rac_device; /* which device */
+ RAP_PVOID rac_rihandle; /* RA endpoint */
+ kra_msg_t *rac_rxmsg; /* incoming message (FMA prefix) */
+ kra_msg_t rac_msg; /* keepalive/CLOSE message buffer */
} kra_conn_t;
#define RANAL_CONN_ESTABLISHED 0
typedef struct kra_peer
{
- struct list_head rap_list; /* stash on global peer list */
- 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 */
- 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 */
- int rap_persistence; /* "known" peer refs */
- int rap_connecting; /* connection forming */
+ cfs_list_t rap_list; /* stash on global peer list */
+ cfs_list_t rap_connd_list; /* schedule on kra_connd_peers */
+ cfs_list_t rap_conns; /* all active connections */
+ cfs_list_t rap_tx_queue; /* msgs waiting for a conn */
+ 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 */
+ cfs_atomic_t rap_refcount; /* # users */
+ int rap_persistence; /* "known" peer refs */
+ int rap_connecting; /* connection forming */
unsigned long rap_reconnect_time; /* CURRENT_SECONDS when reconnect OK */
unsigned long rap_reconnect_interval; /* exponential backoff */
} kra_peer_t;
kranal_peer_addref(kra_peer_t *peer)
{
CDEBUG(D_NET, "%p->%s\n", peer, libcfs_nid2str(peer->rap_nid));
- LASSERT(atomic_read(&peer->rap_refcount) > 0);
- atomic_inc(&peer->rap_refcount);
+ LASSERT(cfs_atomic_read(&peer->rap_refcount) > 0);
+ cfs_atomic_inc(&peer->rap_refcount);
}
static inline void
kranal_peer_decref(kra_peer_t *peer)
{
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))
+ LASSERT(cfs_atomic_read(&peer->rap_refcount) > 0);
+ if (cfs_atomic_dec_and_test(&peer->rap_refcount))
kranal_destroy_peer(peer);
}
-static inline struct list_head *
+static inline cfs_list_t *
kranal_nid2peerlist (lnet_nid_t nid)
{
unsigned int hash = ((unsigned int)nid) % kranal_data.kra_peer_hash_size;
kranal_peer_active(kra_peer_t *peer)
{
/* Am I in the peer hash table? */
- return (!list_empty(&peer->rap_list));
+ return (!cfs_list_empty(&peer->rap_list));
}
static inline void
{
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);
+ LASSERT(cfs_atomic_read(&conn->rac_refcount) > 0);
+ cfs_atomic_inc(&conn->rac_refcount);
}
static inline void
{
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))
+ LASSERT(cfs_atomic_read(&conn->rac_refcount) > 0);
+ if (cfs_atomic_dec_and_test(&conn->rac_refcount))
kranal_destroy_conn(conn);
}
-static inline struct list_head *
+static inline cfs_list_t *
kranal_cqid2connlist (__u32 cqid)
{
unsigned int hash = cqid % kranal_data.kra_conn_hash_size;
static inline kra_conn_t *
kranal_cqid2conn_locked (__u32 cqid)
{
- struct list_head *conns = kranal_cqid2connlist(cqid);
- struct list_head *tmp;
+ cfs_list_t *conns = kranal_cqid2connlist(cqid);
+ cfs_list_t *tmp;
kra_conn_t *conn;
- list_for_each(tmp, conns) {
- conn = list_entry(tmp, kra_conn_t, rac_hashlist);
+ cfs_list_for_each(tmp, conns) {
+ conn = cfs_list_entry(tmp, kra_conn_t, rac_hashlist);
if (conn->rac_cqid == cqid)
return conn;
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,
+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_post_fma (kra_conn_t *conn, kra_tx_t *tx);
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_thread_start(int(*fn)(void *arg), void *arg, char *name);
extern int kranal_connd (void *arg);
extern int kranal_reaper (void *arg);
extern int kranal_scheduler (void *arg);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff