/* -*- 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 <linux/sysctl.h>
#include <net/sock.h>
+#include <linux/in.h>
-#define DEBUG_SUBSYSTEM S_NAL
+#define DEBUG_SUBSYSTEM S_LND
-#include <linux/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>
-#if CONFIG_SMP
-# define RANAL_N_SCHED num_online_cpus() /* # schedulers */
-#else
-# define RANAL_N_SCHED 1 /* # schedulers */
-#endif
-
-#define RANAL_MAXDEVS 2 /* max # devices RapidArray supports */
-
-#define RANAL_N_CONND 4 /* # connection daemons */
-
-#define RANAL_MIN_RECONNECT_INTERVAL 1 /* first failed connection retry (seconds)... */
-#define RANAL_MAX_RECONNECT_INTERVAL 60 /* ...exponentially increasing to this */
-
-#define RANAL_FMA_PREFIX_LEN 232 /* size of FMA "Prefix" */
-#define RANAL_FMA_MAX_DATA_LEN ((7<<10)-256) /* Max FMA MSG is 7K including prefix */
+/* tunables determined at compile time */
+#define RANAL_RESCHED 100 /* # scheduler loops before reschedule */
-#define RANAL_PEER_HASH_SIZE 101 /* # peer lists */
-#define RANAL_CONN_HASH_SIZE 101 /* # conn lists */
+#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_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_MAX_IMMEDIATE (2<<10) /* biggest immediate payload */
+/* 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 */
-typedef struct
+
+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; /* biggest immediate payload */
- 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
{
RAP_PVOID rad_handle; /* device handle */
- RAP_PROTECTION_HANDLE rad_ptag; /* protection tag */
- RAP_CQ_HANDLE rad_fma_cq; /* FMA (small message) completion queue */
- RAP_CQ_HANDLE rad_rdma_cq; /* rdma completion queue */
+ 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_connq; /* connections requiring attention */
+ 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 */
} kra_device_t;
-
-typedef struct
+
+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 */
- __u64 kra_next_incarnation; /* conn incarnation # generator */
+ __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 */
- 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 */
+{
+ struct list_head ras_list; /* queue for attention */
+ struct socket *ras_sock; /* the accepted socket */
+} kra_acceptsock_t;
/************************************************************************
* Wire message structs. These are sent in sender's byte order
* (i.e. receiver checks magic and flips if required).
*/
-typedef struct kra_connreq /* connection request/response */
-{ /* (sent via socket) */
- __u32 racr_magic; /* I'm an ranal connreq */
- __u16 racr_version; /* this is my version number */
- __u16 racr_devid; /* which device to connect on */
- __u64 racr_nid; /* my NID */
- __u64 racr_incarnation; /* my incarnation */
- __u32 racr_timeout; /* my timeout */
- RAP_RI_PARAMETERS racr_riparams; /* my endpoint info */
+typedef struct kra_connreq /* connection request/response */
+{ /* (sent via socket) */
+ __u32 racr_magic; /* I'm an ranal connreq */
+ __u16 racr_version; /* this is my version number */
+ __u16 racr_devid; /* sender's device ID */
+ __u64 racr_srcnid; /* sender's NID */
+ __u64 racr_dstnid; /* who sender expects to listen */
+ __u64 racr_peerstamp; /* sender's instance stamp */
+ __u64 racr_connstamp; /* sender's connection stamp */
+ __u32 racr_timeout; /* sender's timeout */
+ RAP_RI_PARAMETERS racr_riparams; /* sender's endpoint info */
} kra_connreq_t;
typedef struct
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 */
- __u64 raprm_cookie; /* opaque completion cookie */
+ lnet_hdr_t raprm_hdr; /* portals header */
+ __u64 raprm_cookie; /* opaque completion cookie */
} kra_putreq_msg_t;
typedef struct
{
- __u64 rapam_src_cookie; /* reflected completion cookie */
- __u64 rapam_dst_cookie; /* opaque completion cookie */
- kra_rdma_desc_t rapam_desc; /* sender's sink buffer */
+ __u64 rapam_src_cookie; /* reflected completion cookie */
+ __u64 rapam_dst_cookie; /* opaque completion cookie */
+ kra_rdma_desc_t rapam_desc; /* sender's sink buffer */
} kra_putack_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;
typedef struct /* NB must fit in FMA "Prefix" */
{
- __u32 ram_magic; /* I'm an ranal message */
- __u16 ram_version; /* this is my version number */
- __u16 ram_type; /* msg type */
+ __u32 ram_magic; /* I'm an ranal message */
+ __u16 ram_version; /* this is my version number */
+ __u16 ram_type; /* msg type */
__u64 ram_srcnid; /* sender's NID */
- __u64 ram_incarnation; /* sender's connection incarnation */
+ __u64 ram_connstamp; /* sender's connection stamp */
union {
kra_immediate_msg_t immediate;
- kra_putreq_msg_t putreq;
- kra_putack_msg_t putack;
- kra_get_msg_t get;
+ kra_putreq_msg_t putreq;
+ kra_putack_msg_t putack;
+ kra_get_msg_t get;
kra_completion_msg_t completion;
} ram_u;
__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 */
#define RANAL_MSG_NONE 0x00 /* illegal message */
#define RANAL_MSG_NOOP 0x01 /* empty ram_u (keepalive) */
#define RANAL_MSG_IMMEDIATE 0x02 /* ram_u.immediate */
-#define RANAL_MSG_PUT_REQ 0x03 /* ram_u.putreq (src->sink) */
-#define RANAL_MSG_PUT_NAK 0x04 /* ram_u.completion (no PUT match: sink->src) */
-#define RANAL_MSG_PUT_ACK 0x05 /* ram_u.putack (PUT matched: sink->src) */
-#define RANAL_MSG_PUT_DONE 0x86 /* ram_u.completion (src->sink) */
-#define RANAL_MSG_GET_REQ 0x07 /* ram_u.get (sink->src) */
+#define RANAL_MSG_PUT_REQ 0x03 /* ram_u.putreq (src->sink) */
+#define RANAL_MSG_PUT_NAK 0x04 /* ram_u.completion (no PUT match: sink->src) */
+#define RANAL_MSG_PUT_ACK 0x05 /* ram_u.putack (PUT matched: sink->src) */
+#define RANAL_MSG_PUT_DONE 0x86 /* ram_u.completion (src->sink) */
+#define RANAL_MSG_GET_REQ 0x07 /* ram_u.get (sink->src) */
#define RANAL_MSG_GET_NAK 0x08 /* ram_u.completion (no GET match: src->sink) */
-#define RANAL_MSG_GET_DONE 0x89 /* ram_u.completion (src->sink) */
+#define RANAL_MSG_GET_DONE 0x89 /* ram_u.completion (src->sink) */
#define RANAL_MSG_CLOSE 0x8a /* empty ram_u */
/***********************************************************************/
{
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 */
- unsigned long tx_qtime; /* when tx started to wait for something */
- int tx_isnblk; /* I'm reserved for non-blocking sends */
+ 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 */
#define RANAL_BUF_VIRT_UNMAPPED 4 /* virtual: not mapped yet */
#define RANAL_BUF_VIRT_MAPPED 5 /* virtual: mapped already */
-#define RANAL_TX_IDLE 0x00 /* on freelist */
-#define RANAL_TX_SIMPLE 0x10 /* about to send a simple message */
-#define RANAL_TX_PUTI_REQ 0x20 /* PUT initiator about to send PUT_REQ */
-#define RANAL_TX_PUTI_WAIT_ACK 0x21 /* PUT initiator waiting for PUT_ACK */
-#define RANAL_TX_PUTI_RDMA 0x22 /* PUT initiator waiting for RDMA to complete */
-#define RANAL_TX_PUTI_DONE 0x23 /* PUT initiator about to send PUT_DONE */
-#define RANAL_TX_PUTT_NAK 0x30 /* PUT target about to send PUT_NAK */
-#define RANAL_TX_PUTT_ACK 0x30 /* PUT target about to send PUT_ACK */
-#define RANAL_TX_PUTT_WAIT_DONE 0x31 /* PUT target waiting for PUT_DONE */
-#define RANAL_TX_GETI_REQ 0x40 /* GET initiator about to send GET_REQ */
-#define RANAL_TX_GETI_WAIT_DONE 0x41 /* GET initiator waiting for GET_DONE */
-#define RANAL_TX_GETT_NAK 0x50 /* GET target about to send PUT_NAK */
-#define RANAL_TX_GETT_RDMA 0x51 /* GET target waiting for RDMA to complete */
-#define RANAL_TX_GETT_DONE 0x52 /* GET target about to send GET_DONE */
-
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; /* queue for scheduler */
+ 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_peer_incarnation; /* peer's unique connection stamp */
- __u64 rac_my_incarnation; /* my unique connection stamp */
- unsigned long rac_last_tx; /* when I last sent an FMA message */
- unsigned long rac_last_rx; /* when I last received an FMA messages */
- long rac_keepalive; /* keepalive interval */
- long rac_timeout; /* infer peer death on (last_rx + timout > now) */
+ __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_closing; /* connection being torn down */
+ 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 */
+ 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
+#define RANAL_CONN_CLOSING 1
+#define RANAL_CONN_CLOSED 2
+
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 */
- 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 */
int rap_persistence; /* "known" peer refs */
int rap_connecting; /* connection forming */
- unsigned long rap_reconnect_time; /* CURRENT_TIME when reconnect OK */
+ unsigned long rap_reconnect_time; /* CURRENT_SECONDS when reconnect OK */
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;
-extern void __kranal_peer_decref(kra_peer_t *peer);
-extern void __kranal_conn_decref(kra_conn_t *conn);
+extern void kranal_destroy_peer(kra_peer_t *peer);
+extern void kranal_destroy_conn(kra_conn_t *conn);
static inline void
kranal_peer_addref(kra_peer_t *peer)
{
- CDEBUG(D_NET, "%p->"LPX64"\n", peer, peer->rap_nid);
- LASSERT(atomic_read(&peer->rap_refcount) > 0);
- atomic_inc(&peer->rap_refcount);
+ 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);
- LASSERT(atomic_read(&peer->rap_refcount) > 0);
- if (atomic_dec_and_test(&peer->rap_refcount))
- __kranal_peer_decref(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))
+ 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;
-
- return (&kranal_data.kra_peers [hash]);
+
+ return (&kranal_data.kra_peers[hash]);
}
static inline int
static inline void
kranal_conn_addref(kra_conn_t *conn)
{
- CDEBUG(D_NET, "%p->"LPX64"\n", conn, conn->rac_peer->rap_nid);
- LASSERT(atomic_read(&conn->rac_refcount) > 0);
- atomic_inc(&conn->rac_refcount);
+ 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);
- LASSERT(atomic_read(&conn->rac_refcount) > 0);
- if (atomic_dec_and_test(&conn->rac_refcount))
- __kranal_conn_decref(conn);
+ 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);
}
static inline struct list_head *
-kranal_cqid2connlist (__u32 cqid)
+kranal_cqid2connlist (__u32 cqid)
{
unsigned int hash = cqid % kranal_data.kra_conn_hash_size;
-
+
return (&kranal_data.kra_conns [hash]);
}
static inline kra_conn_t *
-kranal_cqid2conn_locked (__u32 cqid)
+kranal_cqid2conn_locked (__u32 cqid)
{
struct list_head *conns = kranal_cqid2connlist(cqid);
struct list_head *tmp;
kra_conn_t *conn;
-
+
list_for_each(tmp, conns) {
conn = list_entry(tmp, kra_conn_t, rac_hashlist);
-
+
if (conn->rac_cqid == cqid)
return conn;
}
-
+
return NULL;
}
tx->tx_buftype == RANAL_BUF_PHYS_MAPPED);
}
-#if CONFIG_X86
-static inline __u64
-kranal_page2phys (struct page *p)
-{
- __u64 page_number = p - mem_map;
-
- return (page_number << PAGE_SHIFT);
-}
-#else
-# error "no page->phys"
-#endif
-
-extern int kranal_listener_procint(ctl_table *table,
- int write, struct file *filp,
- void *buffer, size_t *lenp);
-extern int kranal_close_stale_conns_locked (kra_peer_t *peer,
- __u64 incarnation);
-extern void kranal_update_reaper_timeout(long timeout);
+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 (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 void kranal_schedule_conn (kra_conn_t *conn);
+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 void kranal_device_callback(RAP_INT32 devid);
+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 int kranal_tunables_init(void);
+extern void kranal_tunables_fini(void);
+extern void kranal_init_msg(kra_msg_t *msg, int type);