-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
- *
+/*
* GPL HEADER START
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* GPL HEADER END
*/
/*
- * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
+ * Copyright (c) 2012, Intel Corporation.
+ *
* Copyright (C) 2006 Myricom, Inc.
*/
/*
for (i = 0; i < npages; i++) {
if (p->mxg_pages[i] != NULL) {
__free_page(p->mxg_pages[i]);
- spin_lock(&kmxlnd_data.kmx_mem_lock);
- kmxlnd_data.kmx_mem_used -= PAGE_SIZE;
- spin_unlock(&kmxlnd_data.kmx_mem_lock);
+ spin_lock(&kmxlnd_data.kmx_mem_lock);
+ kmxlnd_data.kmx_mem_used -= PAGE_SIZE;
+ spin_unlock(&kmxlnd_data.kmx_mem_lock);
}
}
mxlnd_free_pages(p);
return -ENOMEM;
}
- spin_lock(&kmxlnd_data.kmx_mem_lock);
- kmxlnd_data.kmx_mem_used += PAGE_SIZE;
- spin_unlock(&kmxlnd_data.kmx_mem_lock);
+ spin_lock(&kmxlnd_data.kmx_mem_lock);
+ kmxlnd_data.kmx_mem_used += PAGE_SIZE;
+ spin_unlock(&kmxlnd_data.kmx_mem_lock);
}
*pp = p;
ctx->mxc_incarnation = 0;
ctx->mxc_deadline = 0;
ctx->mxc_state = MXLND_CTX_IDLE;
- if (!list_empty(&ctx->mxc_list))
- list_del_init(&ctx->mxc_list);
+ if (!cfs_list_empty(&ctx->mxc_list))
+ cfs_list_del_init(&ctx->mxc_list);
/* ignore mxc_rx_list */
if (ctx->mxc_type == MXLND_REQ_TX) {
ctx->mxc_nid = 0;
tx = &kmxlnd_data.kmx_txs[i];
tx->mxc_type = MXLND_REQ_TX;
- INIT_LIST_HEAD(&tx->mxc_list);
+ CFS_INIT_LIST_HEAD(&tx->mxc_list);
/* map mxc_msg to page */
page = pages->mxg_pages[ipage];
}
/* in startup(), no locks required */
- list_add_tail(&tx->mxc_list, &kmxlnd_data.kmx_tx_idle);
+ cfs_list_add_tail(&tx->mxc_list, &kmxlnd_data.kmx_tx_idle);
}
return 0;
kmx_peer_t *next = NULL;
for (i = 0; i < MXLND_HASH_SIZE; i++) {
- list_for_each_entry_safe(peer, next, &kmxlnd_data.kmx_peers[i], mxp_list) {
- list_del_init(&peer->mxp_list);
+ cfs_list_for_each_entry_safe(peer, next,
+ &kmxlnd_data.kmx_peers[i],
+ mxp_list) {
+ cfs_list_del_init(&peer->mxp_list);
if (peer->mxp_conn) mxlnd_conn_decref(peer->mxp_conn);
mxlnd_peer_decref(peer);
count++;
goto failed_with_init;
}
- mx_get_endpoint_addr(kmxlnd_data.kmx_endpt, &kmxlnd_data.kmx_epa);
- mx_decompose_endpoint_addr(kmxlnd_data.kmx_epa, &nic_id, &ep_id);
- mxret = mx_connect(kmxlnd_data.kmx_endpt, nic_id, ep_id, MXLND_MSG_MAGIC,
- MXLND_CONNECT_TIMEOUT/HZ*1000, &kmxlnd_data.kmx_epa);
- if (mxret != MX_SUCCESS) {
- CDEBUG(D_NETERROR, "unable to connect to myself (%s)\n", mx_strerror(mxret));
- goto failed_with_endpoint;
- }
+ mx_get_endpoint_addr(kmxlnd_data.kmx_endpt, &kmxlnd_data.kmx_epa);
+ mx_decompose_endpoint_addr(kmxlnd_data.kmx_epa, &nic_id, &ep_id);
+ mxret = mx_connect(kmxlnd_data.kmx_endpt, nic_id, ep_id,
+ MXLND_MSG_MAGIC, MXLND_CONNECT_TIMEOUT/HZ*1000,
+ &kmxlnd_data.kmx_epa);
+ if (mxret != MX_SUCCESS) {
+ CNETERR("unable to connect to myself (%s)\n", mx_strerror(mxret));
+ goto failed_with_endpoint;
+ }
ni->ni_nid = LNET_MKNID(LNET_NIDNET(ni->ni_nid), ip);
CDEBUG(D_NET, "My NID is 0x%llx\n", ni->ni_nid);
mx_strerror(mxret));
goto failed_with_endpoint;
}
- mxret = mx_set_request_timeout(kmxlnd_data.kmx_endpt, NULL, MXLND_COMM_TIMEOUT/HZ*1000);
- if (mxret != MX_SUCCESS) {
- CERROR("mx_set_request_timeout() failed with %s\n",
- mx_strerror(mxret));
- goto failed_with_endpoint;
- }
+ mxret = mx_set_request_timeout(kmxlnd_data.kmx_endpt, NULL,
+ MXLND_COMM_TIMEOUT/HZ*1000);
+ if (mxret != MX_SUCCESS) {
+ CERROR("mx_set_request_timeout() failed with %s\n",
+ mx_strerror(mxret));
+ goto failed_with_endpoint;
+ }
return 0;
failed_with_endpoint:
* mxlnd_thread_start - spawn a kernel thread with this function
* @fn - function pointer
* @arg - pointer to the parameter data
+ * @name - name of new thread
*
* Returns 0 on success and a negative value on failure
*/
int
-mxlnd_thread_start(int (*fn)(void *arg), void *arg)
+mxlnd_thread_start(int (*fn)(void *arg), void *arg, char *name)
{
- int pid = 0;
+ cfs_task *task;
int i = (int) ((long) arg);
- atomic_inc(&kmxlnd_data.kmx_nthreads);
- init_completion(&kmxlnd_data.kmx_completions[i]);
+ cfs_atomic_inc(&kmxlnd_data.kmx_nthreads);
+ init_completion(&kmxlnd_data.kmx_completions[i]);
- pid = kernel_thread (fn, arg, 0);
- if (pid < 0) {
- CERROR("kernel_thread() failed with %d\n", pid);
- atomic_dec(&kmxlnd_data.kmx_nthreads);
- }
- return pid;
+ task = kthread_run(fn, arg, name);
+ if (IS_ERR(task)) {
+ CERROR("cfs_create_thread() failed with %d\n", PTR_ERR(task));
+ cfs_atomic_dec(&kmxlnd_data.kmx_nthreads);
+ }
+ return PTR_ERR(task);
}
/**
mxlnd_thread_stop(long id)
{
int i = (int) id;
- atomic_dec (&kmxlnd_data.kmx_nthreads);
- complete(&kmxlnd_data.kmx_completions[i]);
+ cfs_atomic_dec (&kmxlnd_data.kmx_nthreads);
+ complete(&kmxlnd_data.kmx_completions[i]);
}
/**
CDEBUG(D_NET, "in shutdown()\n");
CDEBUG(D_MALLOC, "before MXLND cleanup: libcfs_kmemory %d "
- "kmx_mem_used %ld\n", atomic_read (&libcfs_kmemory),
+ "kmx_mem_used %ld\n", cfs_atomic_read(&libcfs_kmemory),
kmxlnd_data.kmx_mem_used);
CDEBUG(D_NET, "setting shutdown = 1\n");
- atomic_set(&kmxlnd_data.kmx_shutdown, 1);
+ cfs_atomic_set(&kmxlnd_data.kmx_shutdown, 1);
switch (kmxlnd_data.kmx_init) {
/* calls write_[un]lock(kmx_global_lock) */
mxlnd_del_peer(LNET_NID_ANY);
- /* wakeup request_waitds */
- mx_wakeup(kmxlnd_data.kmx_endpt);
- up(&kmxlnd_data.kmx_tx_queue_sem);
- up(&kmxlnd_data.kmx_conn_sem);
- mxlnd_sleep(2 * HZ);
+ /* wakeup request_waitds */
+ mx_wakeup(kmxlnd_data.kmx_endpt);
+ up(&kmxlnd_data.kmx_tx_queue_sem);
+ up(&kmxlnd_data.kmx_conn_sem);
+ mxlnd_sleep(2 * HZ);
/* fall through */
CDEBUG(D_NET, "waiting on threads\n");
/* wait for threads to complete */
for (i = 0; i < nthreads; i++) {
- wait_for_completion(&kmxlnd_data.kmx_completions[i]);
+ wait_for_completion(&kmxlnd_data.kmx_completions[i]);
}
- LASSERT(atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
+ LASSERT(cfs_atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
CDEBUG(D_NET, "freeing completions\n");
MXLND_FREE(kmxlnd_data.kmx_completions,
- nthreads * sizeof(struct completion));
+ nthreads * sizeof(struct completion));
/* fall through */
CDEBUG(D_NET, "shutdown complete\n");
CDEBUG(D_MALLOC, "after MXLND cleanup: libcfs_kmemory %d "
- "kmx_mem_used %ld\n", atomic_read (&libcfs_kmemory),
+ "kmx_mem_used %ld\n", cfs_atomic_read(&libcfs_kmemory),
kmxlnd_data.kmx_mem_used);
- kmxlnd_data.kmx_init = MXLND_INIT_NOTHING;
- PORTAL_MODULE_UNUSE;
- return;
+ kmxlnd_data.kmx_init = MXLND_INIT_NOTHING;
+ module_put(THIS_MODULE);
+ return;
}
/**
return -EPERM;
}
CDEBUG(D_MALLOC, "before MXLND startup: libcfs_kmemory %d "
- "kmx_mem_used %ld\n", atomic_read (&libcfs_kmemory),
+ "kmx_mem_used %ld\n", cfs_atomic_read(&libcfs_kmemory),
kmxlnd_data.kmx_mem_used);
ni->ni_maxtxcredits = MXLND_TX_MSGS();
if (ni->ni_maxtxcredits < ni->ni_peertxcredits)
ni->ni_maxtxcredits = ni->ni_peertxcredits;
- PORTAL_MODULE_USE;
- memset (&kmxlnd_data, 0, sizeof (kmxlnd_data));
+ try_module_get(THIS_MODULE);
+ memset (&kmxlnd_data, 0, sizeof (kmxlnd_data));
kmxlnd_data.kmx_ni = ni;
ni->ni_data = &kmxlnd_data;
- do_gettimeofday(&tv);
- kmxlnd_data.kmx_incarnation = (((__u64)tv.tv_sec) * 1000000) + tv.tv_usec;
- CDEBUG(D_NET, "my incarnation is %llu\n", kmxlnd_data.kmx_incarnation);
+ do_gettimeofday(&tv);
+ kmxlnd_data.kmx_incarnation = (((__u64)tv.tv_sec) * 1000000) + tv.tv_usec;
+ CDEBUG(D_NET, "my incarnation is %llu\n", kmxlnd_data.kmx_incarnation);
- rwlock_init (&kmxlnd_data.kmx_global_lock);
- spin_lock_init (&kmxlnd_data.kmx_mem_lock);
+ rwlock_init (&kmxlnd_data.kmx_global_lock);
+ spin_lock_init (&kmxlnd_data.kmx_mem_lock);
- INIT_LIST_HEAD (&kmxlnd_data.kmx_conn_reqs);
- INIT_LIST_HEAD (&kmxlnd_data.kmx_conn_zombies);
- INIT_LIST_HEAD (&kmxlnd_data.kmx_orphan_msgs);
- spin_lock_init (&kmxlnd_data.kmx_conn_lock);
- sema_init(&kmxlnd_data.kmx_conn_sem, 0);
+ CFS_INIT_LIST_HEAD (&kmxlnd_data.kmx_conn_reqs);
+ CFS_INIT_LIST_HEAD (&kmxlnd_data.kmx_conn_zombies);
+ CFS_INIT_LIST_HEAD (&kmxlnd_data.kmx_orphan_msgs);
+ spin_lock_init (&kmxlnd_data.kmx_conn_lock);
+ sema_init(&kmxlnd_data.kmx_conn_sem, 0);
for (i = 0; i < MXLND_HASH_SIZE; i++) {
- INIT_LIST_HEAD (&kmxlnd_data.kmx_peers[i]);
+ CFS_INIT_LIST_HEAD (&kmxlnd_data.kmx_peers[i]);
}
- INIT_LIST_HEAD (&kmxlnd_data.kmx_tx_idle);
- spin_lock_init (&kmxlnd_data.kmx_tx_idle_lock);
- kmxlnd_data.kmx_tx_next_cookie = 1;
- INIT_LIST_HEAD (&kmxlnd_data.kmx_tx_queue);
- spin_lock_init (&kmxlnd_data.kmx_tx_queue_lock);
- sema_init(&kmxlnd_data.kmx_tx_queue_sem, 0);
+ CFS_INIT_LIST_HEAD (&kmxlnd_data.kmx_tx_idle);
+ spin_lock_init (&kmxlnd_data.kmx_tx_idle_lock);
+ kmxlnd_data.kmx_tx_next_cookie = 1;
+ CFS_INIT_LIST_HEAD (&kmxlnd_data.kmx_tx_queue);
+ spin_lock_init (&kmxlnd_data.kmx_tx_queue_lock);
+ sema_init(&kmxlnd_data.kmx_tx_queue_sem, 0);
kmxlnd_data.kmx_init = MXLND_INIT_DATA;
/*****************************************************/
/* start threads */
MXLND_ALLOC(kmxlnd_data.kmx_completions,
- nthreads * sizeof(struct completion));
+ nthreads * sizeof(struct completion));
if (kmxlnd_data.kmx_completions == NULL) {
CERROR("failed to alloc kmxlnd_data.kmx_completions\n");
goto failed;
}
memset(kmxlnd_data.kmx_completions, 0,
- nthreads * sizeof(struct completion));
+ nthreads * sizeof(struct completion));
CDEBUG(D_NET, "using %d %s in mx_wait_any()\n",
*kmxlnd_tunables.kmx_n_waitd,
*kmxlnd_tunables.kmx_n_waitd == 1 ? "thread" : "threads");
for (i = 0; i < *kmxlnd_tunables.kmx_n_waitd; i++) {
+ char name[24];
+ memset(name, 0, sizeof(name));
+ snprintf(name, sizeof(name), "mxlnd_request_waitd_%02ld", i);
ret = mxlnd_thread_start(mxlnd_request_waitd, (void*)((long)i));
- if (ret < 0) {
- CERROR("Starting mxlnd_request_waitd[%d] failed with %d\n", i, ret);
- atomic_set(&kmxlnd_data.kmx_shutdown, 1);
+ if (ret < 0) {
+ CERROR("Starting mxlnd_request_waitd[%d] "
+ "failed with %d\n", i, ret);
+ cfs_atomic_set(&kmxlnd_data.kmx_shutdown, 1);
mx_wakeup(kmxlnd_data.kmx_endpt);
for (--i; i >= 0; i--) {
- wait_for_completion(&kmxlnd_data.kmx_completions[i]);
+ wait_for_completion(&kmxlnd_data.kmx_completions[i]);
}
- LASSERT(atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
+ LASSERT(cfs_atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
MXLND_FREE(kmxlnd_data.kmx_completions,
- nthreads * sizeof(struct completion));
+ nthreads * sizeof(struct completion));
goto failed;
}
}
- ret = mxlnd_thread_start(mxlnd_tx_queued, (void*)((long)i++));
+ ret = mxlnd_thread_start(mxlnd_tx_queued, (void *)((long)i++),
+ "mxlnd_tx_queued");
if (ret < 0) {
CERROR("Starting mxlnd_tx_queued failed with %d\n", ret);
- atomic_set(&kmxlnd_data.kmx_shutdown, 1);
+ cfs_atomic_set(&kmxlnd_data.kmx_shutdown, 1);
mx_wakeup(kmxlnd_data.kmx_endpt);
for (--i; i >= 0; i--) {
- wait_for_completion(&kmxlnd_data.kmx_completions[i]);
+ wait_for_completion(&kmxlnd_data.kmx_completions[i]);
}
- LASSERT(atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
+ LASSERT(cfs_atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
MXLND_FREE(kmxlnd_data.kmx_completions,
- nthreads * sizeof(struct completion));
+ nthreads * sizeof(struct completion));
goto failed;
}
- ret = mxlnd_thread_start(mxlnd_timeoutd, (void*)((long)i++));
+ ret = mxlnd_thread_start(mxlnd_timeoutd, (void *)((long)i++),
+ "mxlnd_timeoutd");
if (ret < 0) {
CERROR("Starting mxlnd_timeoutd failed with %d\n", ret);
- atomic_set(&kmxlnd_data.kmx_shutdown, 1);
+ cfs_atomic_set(&kmxlnd_data.kmx_shutdown, 1);
mx_wakeup(kmxlnd_data.kmx_endpt);
- up(&kmxlnd_data.kmx_tx_queue_sem);
+ up(&kmxlnd_data.kmx_tx_queue_sem);
for (--i; i >= 0; i--) {
- wait_for_completion(&kmxlnd_data.kmx_completions[i]);
+ wait_for_completion(&kmxlnd_data.kmx_completions[i]);
}
- LASSERT(atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
+ LASSERT(cfs_atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
MXLND_FREE(kmxlnd_data.kmx_completions,
- nthreads * sizeof(struct completion));
+ nthreads * sizeof(struct completion));
goto failed;
}
- ret = mxlnd_thread_start(mxlnd_connd, (void*)((long)i++));
+ ret = mxlnd_thread_start(mxlnd_connd, (void *)((long)i++),
+ "mxlnd_connd");
if (ret < 0) {
CERROR("Starting mxlnd_connd failed with %d\n", ret);
- atomic_set(&kmxlnd_data.kmx_shutdown, 1);
+ cfs_atomic_set(&kmxlnd_data.kmx_shutdown, 1);
mx_wakeup(kmxlnd_data.kmx_endpt);
- up(&kmxlnd_data.kmx_tx_queue_sem);
+ up(&kmxlnd_data.kmx_tx_queue_sem);
for (--i; i >= 0; i--) {
- wait_for_completion(&kmxlnd_data.kmx_completions[i]);
+ wait_for_completion(&kmxlnd_data.kmx_completions[i]);
}
- LASSERT(atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
+ LASSERT(cfs_atomic_read(&kmxlnd_data.kmx_nthreads) == 0);
MXLND_FREE(kmxlnd_data.kmx_completions,
- nthreads * sizeof(struct completion));
+ nthreads * sizeof(struct completion));
goto failed;
}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff