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authorAmar Tumballi <amarts@redhat.com>2012-07-11 22:25:30 +0530
committerAnand Avati <avati@redhat.com>2012-07-11 16:29:58 -0700
commitea08bf886732d9680f2d6de19f3d68908a55143b (patch)
treee7531a52b1ece148ad049e3d150e1dbe3c00a41f /xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.c
parentcb60a046bbb24cc864aa007707c75bdadf2157e3 (diff)
core: remove unused code
BUG: 764890 Change-Id: Ia8bcaa7a4daeb706bcb0bba24b2e634e9ca20d49 Signed-off-by: Amar Tumballi <amarts@redhat.com> Reviewed-on: http://review.gluster.com/3657 Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Anand Avati <avati@redhat.com>
Diffstat (limited to 'xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.c')
-rw-r--r--xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.c2625
1 files changed, 0 insertions, 2625 deletions
diff --git a/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.c b/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.c
deleted file mode 100644
index 8b52fa88453..00000000000
--- a/xlators/protocol/legacy/transport/ib-verbs/src/ib-verbs.c
+++ /dev/null
@@ -1,2625 +0,0 @@
-/*
- Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
- This file is part of GlusterFS.
-
- GlusterFS is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3 of the License,
- or (at your option) any later version.
-
- GlusterFS 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
- along with this program. If not, see
- <http://www.gnu.org/licenses/>.
-*/
-
-
-#ifndef _CONFIG_H
-#define _CONFIG_H
-#include "config.h"
-#endif
-
-#include "dict.h"
-#include "glusterfs.h"
-#include "transport.h"
-#include "protocol.h"
-#include "logging.h"
-#include "xlator.h"
-#include "name.h"
-#include "ib-verbs.h"
-#include <signal.h>
-
-int32_t
-gf_resolve_ip6 (const char *hostname,
- uint16_t port,
- int family,
- void **dnscache,
- struct addrinfo **addr_info);
-
-static uint16_t
-ib_verbs_get_local_lid (struct ibv_context *context,
- int32_t port)
-{
- struct ibv_port_attr attr;
-
- if (ibv_query_port (context, port, &attr))
- return 0;
-
- return attr.lid;
-}
-
-static const char *
-get_port_state_str(enum ibv_port_state pstate)
-{
- switch (pstate) {
- case IBV_PORT_DOWN: return "PORT_DOWN";
- case IBV_PORT_INIT: return "PORT_INIT";
- case IBV_PORT_ARMED: return "PORT_ARMED";
- case IBV_PORT_ACTIVE: return "PORT_ACTIVE";
- case IBV_PORT_ACTIVE_DEFER: return "PORT_ACTIVE_DEFER";
- default: return "invalid state";
- }
-}
-
-static int32_t
-ib_check_active_port (struct ibv_context *ctx, uint8_t port)
-{
- struct ibv_port_attr port_attr;
-
- int32_t ret = 0;
- const char *state_str = NULL;
-
- if (!ctx) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "Error in supplied context");
- return -1;
- }
-
- ret = ibv_query_port (ctx, port, &port_attr);
-
- if (ret) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "Failed to query port %u properties", port);
- return -1;
- }
-
- state_str = get_port_state_str (port_attr.state);
- gf_log ("transport/ib-verbs", GF_LOG_TRACE,
- "Infiniband PORT: (%u) STATE: (%s)",
- port, state_str);
-
- if (port_attr.state == IBV_PORT_ACTIVE)
- return 0;
-
- return -1;
-}
-
-static int32_t
-ib_get_active_port (struct ibv_context *ib_ctx)
-{
- struct ibv_device_attr ib_device_attr;
-
- int32_t ret = -1;
- uint8_t ib_port = 0;
-
- if (!ib_ctx) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "Error in supplied context");
- return -1;
- }
- if (ibv_query_device (ib_ctx, &ib_device_attr)) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "Failed to query device properties");
- return -1;
- }
-
- for (ib_port = 1; ib_port <= ib_device_attr.phys_port_cnt; ++ib_port) {
- ret = ib_check_active_port (ib_ctx, ib_port);
- if (ret == 0)
- return ib_port;
-
- gf_log ("transport/ib-verbs", GF_LOG_TRACE,
- "Port:(%u) not active", ib_port);
- continue;
- }
- return ret;
-}
-
-
-
-static void
-ib_verbs_put_post (ib_verbs_queue_t *queue,
- ib_verbs_post_t *post)
-{
- pthread_mutex_lock (&queue->lock);
- if (post->prev) {
- queue->active_count--;
- post->prev->next = post->next;
- }
- if (post->next)
- post->next->prev = post->prev;
- post->prev = &queue->passive_posts;
- post->next = post->prev->next;
- post->prev->next = post;
- post->next->prev = post;
- queue->passive_count++;
- pthread_mutex_unlock (&queue->lock);
-}
-
-
-static ib_verbs_post_t *
-ib_verbs_new_post (ib_verbs_device_t *device, int32_t len)
-{
- ib_verbs_post_t *post;
-
- post = (ib_verbs_post_t *) GF_CALLOC (1, sizeof (*post),
- gf_ibv_mt_ib_verbs_post_t);
- if (!post)
- return NULL;
-
- post->buf_size = len;
-
- post->buf = valloc (len);
- if (!post->buf) {
- GF_FREE (post);
- return NULL;
- }
-
- post->mr = ibv_reg_mr (device->pd,
- post->buf,
- post->buf_size,
- IBV_ACCESS_LOCAL_WRITE);
- if (!post->mr) {
- free (post->buf);
- GF_FREE (post);
- return NULL;
- }
-
- return post;
-}
-
-
-static ib_verbs_post_t *
-ib_verbs_get_post (ib_verbs_queue_t *queue)
-{
- ib_verbs_post_t *post;
-
- pthread_mutex_lock (&queue->lock);
- {
- post = queue->passive_posts.next;
- if (post == &queue->passive_posts)
- post = NULL;
-
- if (post) {
- if (post->prev)
- post->prev->next = post->next;
- if (post->next)
- post->next->prev = post->prev;
- post->prev = &queue->active_posts;
- post->next = post->prev->next;
- post->prev->next = post;
- post->next->prev = post;
- post->reused++;
- queue->active_count++;
- }
- }
- pthread_mutex_unlock (&queue->lock);
-
- return post;
-}
-
-void
-ib_verbs_destroy_post (ib_verbs_post_t *post)
-{
- ibv_dereg_mr (post->mr);
- free (post->buf);
- GF_FREE (post);
-}
-
-
-static int32_t
-__ib_verbs_quota_get (ib_verbs_peer_t *peer)
-{
- int32_t ret = -1;
- ib_verbs_private_t *priv = peer->trans->private;
-
- if (priv->connected && peer->quota > 0) {
- ret = peer->quota--;
- }
-
- return ret;
-}
-
-/*
- static int32_t
- ib_verbs_quota_get (ib_verbs_peer_t *peer)
- {
- int32_t ret = -1;
- ib_verbs_private_t *priv = peer->trans->private;
-
- pthread_mutex_lock (&priv->write_mutex);
- {
- ret = __ib_verbs_quota_get (peer);
- }
- pthread_mutex_unlock (&priv->write_mutex);
-
- return ret;
- }
-*/
-
-static void
-__ib_verbs_ioq_entry_free (ib_verbs_ioq_t *entry)
-{
- list_del_init (&entry->list);
- if (entry->iobref)
- iobref_unref (entry->iobref);
-
- /* TODO: use mem-pool */
- GF_FREE (entry->buf);
-
- /* TODO: use mem-pool */
- GF_FREE (entry);
-}
-
-
-static void
-__ib_verbs_ioq_flush (ib_verbs_peer_t *peer)
-{
- ib_verbs_ioq_t *entry = NULL, *dummy = NULL;
-
- list_for_each_entry_safe (entry, dummy, &peer->ioq, list) {
- __ib_verbs_ioq_entry_free (entry);
- }
-}
-
-
-static int32_t
-__ib_verbs_disconnect (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- int32_t ret = 0;
-
- if (priv->connected || priv->tcp_connected) {
- fcntl (priv->sock, F_SETFL, O_NONBLOCK);
- if (shutdown (priv->sock, SHUT_RDWR) != 0) {
- gf_log ("transport/ib-verbs",
- GF_LOG_DEBUG,
- "shutdown () - error: %s",
- strerror (errno));
- ret = -errno;
- priv->tcp_connected = 0;
- }
- }
-
- return ret;
-}
-
-
-static int32_t
-ib_verbs_post_send (struct ibv_qp *qp,
- ib_verbs_post_t *post,
- int32_t len)
-{
- struct ibv_sge list = {
- .addr = (unsigned long) post->buf,
- .length = len,
- .lkey = post->mr->lkey
- };
-
- struct ibv_send_wr wr = {
- .wr_id = (unsigned long) post,
- .sg_list = &list,
- .num_sge = 1,
- .opcode = IBV_WR_SEND,
- .send_flags = IBV_SEND_SIGNALED,
- }, *bad_wr;
-
- if (!qp)
- return -1;
-
- return ibv_post_send (qp, &wr, &bad_wr);
-}
-
-
-static int32_t
-__ib_verbs_ioq_churn_entry (ib_verbs_peer_t *peer, ib_verbs_ioq_t *entry)
-{
- int32_t ret = 0, quota = 0;
- ib_verbs_private_t *priv = peer->trans->private;
- ib_verbs_device_t *device = priv->device;
- ib_verbs_options_t *options = &priv->options;
- ib_verbs_post_t *post = NULL;
- int32_t len = 0;
-
- quota = __ib_verbs_quota_get (peer);
- if (quota > 0) {
- post = ib_verbs_get_post (&device->sendq);
- if (!post)
- post = ib_verbs_new_post (device,
- (options->send_size + 2048));
-
- len = iov_length ((const struct iovec *)&entry->vector,
- entry->count);
- if (len >= (options->send_size + 2048)) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "increase value of option 'transport.ib-verbs."
- "work-request-send-size' (given=> %"PRId64") "
- "to send bigger (%d) messages",
- (options->send_size + 2048), len);
- return -1;
- }
-
- iov_unload (post->buf,
- (const struct iovec *)&entry->vector,
- entry->count);
-
- ret = ib_verbs_post_send (peer->qp, post, len);
- if (!ret) {
- __ib_verbs_ioq_entry_free (entry);
- ret = len;
- } else {
- gf_log ("transport/ib-verbs", GF_LOG_DEBUG,
- "ibv_post_send failed with ret = %d", ret);
- ib_verbs_put_post (&device->sendq, post);
- __ib_verbs_disconnect (peer->trans);
- ret = -1;
- }
- }
-
- return ret;
-}
-
-
-static int32_t
-__ib_verbs_ioq_churn (ib_verbs_peer_t *peer)
-{
- ib_verbs_ioq_t *entry = NULL;
- int32_t ret = 0;
-
- while (!list_empty (&peer->ioq))
- {
- /* pick next entry */
- entry = peer->ioq_next;
-
- ret = __ib_verbs_ioq_churn_entry (peer, entry);
-
- if (ret <= 0)
- break;
- }
-
- /*
- list_for_each_entry_safe (entry, dummy, &peer->ioq, list) {
- ret = __ib_verbs_ioq_churn_entry (peer, entry);
- if (ret <= 0) {
- break;
- }
- }
- */
-
- return ret;
-}
-
-static int32_t
-__ib_verbs_quota_put (ib_verbs_peer_t *peer)
-{
- int32_t ret;
-
- peer->quota++;
- ret = peer->quota;
-
- if (!list_empty (&peer->ioq)) {
- ret = __ib_verbs_ioq_churn (peer);
- }
-
- return ret;
-}
-
-
-static int32_t
-ib_verbs_quota_put (ib_verbs_peer_t *peer)
-{
- int32_t ret;
- ib_verbs_private_t *priv = peer->trans->private;
-
- pthread_mutex_lock (&priv->write_mutex);
- {
- ret = __ib_verbs_quota_put (peer);
- }
- pthread_mutex_unlock (&priv->write_mutex);
-
- return ret;
-}
-
-
-static int32_t
-ib_verbs_post_recv (struct ibv_srq *srq,
- ib_verbs_post_t *post)
-{
- struct ibv_sge list = {
- .addr = (unsigned long) post->buf,
- .length = post->buf_size,
- .lkey = post->mr->lkey
- };
-
- struct ibv_recv_wr wr = {
- .wr_id = (unsigned long) post,
- .sg_list = &list,
- .num_sge = 1,
- }, *bad_wr;
-
- return ibv_post_srq_recv (srq, &wr, &bad_wr);
-}
-
-
-static int32_t
-ib_verbs_writev (transport_t *this,
- ib_verbs_ioq_t *entry)
-{
- int32_t ret = 0, need_append = 1;
- ib_verbs_private_t *priv = this->private;
- ib_verbs_peer_t *peer = NULL;
-
- pthread_mutex_lock (&priv->write_mutex);
- {
- if (!priv->connected) {
- gf_log (this->xl->name, GF_LOG_DEBUG,
- "ib-verbs is not connected to post a "
- "send request");
- ret = -1;
- goto unlock;
- }
-
- peer = &priv->peer;
- if (list_empty (&peer->ioq)) {
- ret = __ib_verbs_ioq_churn_entry (peer, entry);
- if (ret != 0) {
- need_append = 0;
- }
- }
-
- if (need_append) {
- list_add_tail (&entry->list, &peer->ioq);
- }
- }
-unlock:
- pthread_mutex_unlock (&priv->write_mutex);
- return ret;
-}
-
-
-static ib_verbs_ioq_t *
-ib_verbs_ioq_new (char *buf, int len, struct iovec *vector,
- int count, struct iobref *iobref)
-{
- ib_verbs_ioq_t *entry = NULL;
-
- /* TODO: use mem-pool */
- entry = GF_CALLOC (1, sizeof (*entry), gf_ibv_mt_ib_verbs_ioq_t);
-
- GF_ASSERT (count <= (MAX_IOVEC-2));
-
- entry->header.colonO[0] = ':';
- entry->header.colonO[1] = 'O';
- entry->header.colonO[2] = '\0';
- entry->header.version = 42;
- entry->header.size1 = hton32 (len);
- entry->header.size2 = hton32 (iov_length (vector, count));
-
- entry->vector[0].iov_base = &entry->header;
- entry->vector[0].iov_len = sizeof (entry->header);
- entry->count++;
-
- entry->vector[1].iov_base = buf;
- entry->vector[1].iov_len = len;
- entry->count++;
-
- if (vector && count)
- {
- memcpy (&entry->vector[2], vector, sizeof (*vector) * count);
- entry->count += count;
- }
-
- if (iobref)
- entry->iobref = iobref_ref (iobref);
-
- entry->buf = buf;
-
- INIT_LIST_HEAD (&entry->list);
-
- return entry;
-}
-
-
-static int32_t
-ib_verbs_submit (transport_t *this, char *buf, int32_t len,
- struct iovec *vector, int count, struct iobref *iobref)
-{
- int32_t ret = 0;
- ib_verbs_ioq_t *entry = NULL;
-
- entry = ib_verbs_ioq_new (buf, len, vector, count, iobref);
- ret = ib_verbs_writev (this, entry);
-
- if (ret > 0) {
- ret = 0;
- }
-
- return ret;
-}
-
-static int
-ib_verbs_receive (transport_t *this, char **hdr_p, size_t *hdrlen_p,
- struct iobuf **iobuf_p)
-{
- ib_verbs_private_t *priv = this->private;
- /* TODO: return error if !priv->connected, check with locks */
- /* TODO: boundry checks for data_ptr/offset */
- char *copy_from = NULL;
- ib_verbs_header_t *header = NULL;
- uint32_t size1, size2, data_len = 0;
- char *hdr = NULL;
- struct iobuf *iobuf = NULL;
- int32_t ret = 0;
-
- pthread_mutex_lock (&priv->recv_mutex);
- {
-/*
- while (!priv->data_ptr)
- pthread_cond_wait (&priv->recv_cond, &priv->recv_mutex);
-*/
-
- copy_from = priv->data_ptr + priv->data_offset;
-
- priv->data_ptr = NULL;
- data_len = priv->data_len;
- pthread_cond_broadcast (&priv->recv_cond);
- }
- pthread_mutex_unlock (&priv->recv_mutex);
-
- header = (ib_verbs_header_t *)copy_from;
- if (strcmp (header->colonO, ":O")) {
- gf_log ("transport/ib-verbs", GF_LOG_DEBUG,
- "%s: corrupt header received", this->xl->name);
- ret = -1;
- goto err;
- }
-
- size1 = ntoh32 (header->size1);
- size2 = ntoh32 (header->size2);
-
- if (data_len != (size1 + size2 + sizeof (*header))) {
- gf_log ("transport/ib-verbs", GF_LOG_DEBUG,
- "%s: sizeof data read from transport is not equal "
- "to the size specified in the header",
- this->xl->name);
- ret = -1;
- goto err;
- }
-
- copy_from += sizeof (*header);
-
- if (size1) {
- hdr = GF_CALLOC (1, size1, gf_ibv_mt_char);
- if (!hdr) {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "unable to allocate header for peer %s",
- this->peerinfo.identifier);
- ret = -ENOMEM;
- goto err;
- }
- memcpy (hdr, copy_from, size1);
- copy_from += size1;
- *hdr_p = hdr;
- }
- *hdrlen_p = size1;
-
- if (size2) {
- iobuf = iobuf_get (this->xl->ctx->iobuf_pool);
- if (!iobuf) {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "unable to allocate IO buffer for peer %s",
- this->peerinfo.identifier);
- ret = -ENOMEM;
- goto err;
- }
- memcpy (iobuf->ptr, copy_from, size2);
- *iobuf_p = iobuf;
- }
-
-err:
- return ret;
-}
-
-
-static void
-ib_verbs_destroy_cq (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- ib_verbs_device_t *device = priv->device;
-
- if (device->recv_cq)
- ibv_destroy_cq (device->recv_cq);
- device->recv_cq = NULL;
-
- if (device->send_cq)
- ibv_destroy_cq (device->send_cq);
- device->send_cq = NULL;
-
- return;
-}
-
-
-static int32_t
-ib_verbs_create_cq (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- ib_verbs_options_t *options = &priv->options;
- ib_verbs_device_t *device = priv->device;
- int32_t ret = 0;
-
- device->recv_cq = ibv_create_cq (priv->device->context,
- options->recv_count * 2,
- device,
- device->recv_chan,
- 0);
- if (!device->recv_cq) {
- gf_log ("transport/ib-verbs",
- GF_LOG_ERROR,
- "%s: creation of CQ failed",
- this->xl->name);
- ret = -1;
- } else if (ibv_req_notify_cq (device->recv_cq, 0)) {
- gf_log ("transport/ib-verbs",
- GF_LOG_ERROR,
- "%s: ibv_req_notify_cq on CQ failed",
- this->xl->name);
- ret = -1;
- }
-
- do {
- /* TODO: make send_cq size dynamically adaptive */
- device->send_cq = ibv_create_cq (priv->device->context,
- options->send_count * 1024,
- device,
- device->send_chan,
- 0);
- if (!device->send_cq) {
- gf_log ("transport/ib-verbs",
- GF_LOG_ERROR,
- "%s: creation of send_cq failed",
- this->xl->name);
- ret = -1;
- break;
- }
-
- if (ibv_req_notify_cq (device->send_cq, 0)) {
- gf_log ("transport/ib-verbs",
- GF_LOG_ERROR,
- "%s: ibv_req_notify_cq on send_cq failed",
- this->xl->name);
- ret = -1;
- break;
- }
- } while (0);
-
- if (ret != 0)
- ib_verbs_destroy_cq (this);
-
- return ret;
-}
-
-
-static void
-ib_verbs_register_peer (ib_verbs_device_t *device,
- int32_t qp_num,
- ib_verbs_peer_t *peer)
-{
- struct _qpent *ent;
- ib_verbs_qpreg_t *qpreg = &device->qpreg;
- int32_t hash = qp_num % 42;
-
- pthread_mutex_lock (&qpreg->lock);
- ent = qpreg->ents[hash].next;
- while ((ent != &qpreg->ents[hash]) && (ent->qp_num != qp_num))
- ent = ent->next;
- if (ent->qp_num == qp_num) {
- pthread_mutex_unlock (&qpreg->lock);
- return;
- }
- ent = (struct _qpent *) GF_CALLOC (1, sizeof (*ent), gf_ibv_mt_qpent);
- if (!ent)
- return;
- /* TODO: ref reg->peer */
- ent->peer = peer;
- ent->next = &qpreg->ents[hash];
- ent->prev = ent->next->prev;
- ent->next->prev = ent;
- ent->prev->next = ent;
- ent->qp_num = qp_num;
- qpreg->count++;
- pthread_mutex_unlock (&qpreg->lock);
-}
-
-
-static void
-ib_verbs_unregister_peer (ib_verbs_device_t *device,
- int32_t qp_num)
-{
- struct _qpent *ent;
- ib_verbs_qpreg_t *qpreg = &device->qpreg;
- int32_t hash = qp_num % 42;
-
- pthread_mutex_lock (&qpreg->lock);
- ent = qpreg->ents[hash].next;
- while ((ent != &qpreg->ents[hash]) && (ent->qp_num != qp_num))
- ent = ent->next;
- if (ent->qp_num != qp_num) {
- pthread_mutex_unlock (&qpreg->lock);
- return;
- }
- ent->prev->next = ent->next;
- ent->next->prev = ent->prev;
- /* TODO: unref reg->peer */
- GF_FREE (ent);
- qpreg->count--;
- pthread_mutex_unlock (&qpreg->lock);
-}
-
-
-static ib_verbs_peer_t *
-__ib_verbs_lookup_peer (ib_verbs_device_t *device, int32_t qp_num)
-{
- struct _qpent *ent = NULL;
- ib_verbs_peer_t *peer = NULL;
- ib_verbs_qpreg_t *qpreg = NULL;
- int32_t hash = 0;
-
- qpreg = &device->qpreg;
- hash = qp_num % 42;
- ent = qpreg->ents[hash].next;
- while ((ent != &qpreg->ents[hash]) && (ent->qp_num != qp_num))
- ent = ent->next;
-
- if (ent != &qpreg->ents[hash]) {
- peer = ent->peer;
- }
-
- return peer;
-}
-
-/*
-static ib_verbs_peer_t *
-ib_verbs_lookup_peer (ib_verbs_device_t *device,
- int32_t qp_num)
-{
- ib_verbs_qpreg_t *qpreg = NULL;
- ib_verbs_peer_t *peer = NULL;
-
- qpreg = &device->qpreg;
- pthread_mutex_lock (&qpreg->lock);
- {
- peer = __ib_verbs_lookup_peer (device, qp_num);
- }
- pthread_mutex_unlock (&qpreg->lock);
-
- return peer;
-}
-*/
-
-
-static void
-__ib_verbs_destroy_qp (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
-
- if (priv->peer.qp) {
- ib_verbs_unregister_peer (priv->device, priv->peer.qp->qp_num);
- ibv_destroy_qp (priv->peer.qp);
- }
- priv->peer.qp = NULL;
-
- return;
-}
-
-
-static int32_t
-ib_verbs_create_qp (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- ib_verbs_options_t *options = &priv->options;
- ib_verbs_device_t *device = priv->device;
- int32_t ret = 0;
- ib_verbs_peer_t *peer;
-
- peer = &priv->peer;
- struct ibv_qp_init_attr init_attr = {
- .send_cq = device->send_cq,
- .recv_cq = device->recv_cq,
- .srq = device->srq,
- .cap = {
- .max_send_wr = peer->send_count,
- .max_recv_wr = peer->recv_count,
- .max_send_sge = 1,
- .max_recv_sge = 1
- },
- .qp_type = IBV_QPT_RC
- };
-
- struct ibv_qp_attr attr = {
- .qp_state = IBV_QPS_INIT,
- .pkey_index = 0,
- .port_num = options->port,
- .qp_access_flags = 0
- };
-
- peer->qp = ibv_create_qp (device->pd, &init_attr);
- if (!peer->qp) {
- gf_log ("transport/ib-verbs",
- GF_LOG_CRITICAL,
- "%s: could not create QP",
- this->xl->name);
- ret = -1;
- goto out;
- } else if (ibv_modify_qp (peer->qp, &attr,
- IBV_QP_STATE |
- IBV_QP_PKEY_INDEX |
- IBV_QP_PORT |
- IBV_QP_ACCESS_FLAGS)) {
- gf_log ("transport/ib-verbs",
- GF_LOG_ERROR,
- "%s: failed to modify QP to INIT state",
- this->xl->name);
- ret = -1;
- goto out;
- }
-
- peer->local_lid = ib_verbs_get_local_lid (device->context,
- options->port);
- peer->local_qpn = peer->qp->qp_num;
- peer->local_psn = lrand48 () & 0xffffff;
-
- ib_verbs_register_peer (device, peer->qp->qp_num, peer);
-
-out:
- if (ret == -1)
- __ib_verbs_destroy_qp (this);
-
- return ret;
-}
-
-
-static void
-ib_verbs_destroy_posts (transport_t *this)
-{
-
-}
-
-
-static int32_t
-__ib_verbs_create_posts (transport_t *this,
- int32_t count,
- int32_t size,
- ib_verbs_queue_t *q)
-{
- int32_t i;
- int32_t ret = 0;
- ib_verbs_private_t *priv = this->private;
- ib_verbs_device_t *device = priv->device;
-
- for (i=0 ; i<count ; i++) {
- ib_verbs_post_t *post;
-
- post = ib_verbs_new_post (device, size + 2048);
- if (!post) {
- gf_log ("transport/ib-verbs",
- GF_LOG_ERROR,
- "%s: post creation failed",
- this->xl->name);
- ret = -1;
- break;
- }
-
- ib_verbs_put_post (q, post);
- }
- return ret;
-}
-
-
-static int32_t
-ib_verbs_create_posts (transport_t *this)
-{
- int32_t i, ret;
- ib_verbs_post_t *post = NULL;
- ib_verbs_private_t *priv = this->private;
- ib_verbs_options_t *options = &priv->options;
- ib_verbs_device_t *device = priv->device;
-
- ret = __ib_verbs_create_posts (this, options->send_count,
- options->send_size,
- &device->sendq);
- if (!ret)
- ret = __ib_verbs_create_posts (this, options->recv_count,
- options->recv_size,
- &device->recvq);
-
- if (!ret) {
- for (i=0 ; i<options->recv_count ; i++) {
- post = ib_verbs_get_post (&device->recvq);
- if (ib_verbs_post_recv (device->srq, post) != 0) {
- ret = -1;
- break;
- }
- }
- }
-
- if (ret)
- ib_verbs_destroy_posts (this);
-
- return ret;
-}
-
-
-static int32_t
-ib_verbs_connect_qp (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- ib_verbs_options_t *options = &priv->options;
- struct ibv_qp_attr attr = {
- .qp_state = IBV_QPS_RTR,
- .path_mtu = options->mtu,
- .dest_qp_num = priv->peer.remote_qpn,
- .rq_psn = priv->peer.remote_psn,
- .max_dest_rd_atomic = 1,
- .min_rnr_timer = 12,
- .ah_attr = {
- .is_global = 0,
- .dlid = priv->peer.remote_lid,
- .sl = 0,
- .src_path_bits = 0,
- .port_num = options->port
- }
- };
- if (ibv_modify_qp (priv->peer.qp, &attr,
- IBV_QP_STATE |
- IBV_QP_AV |
- IBV_QP_PATH_MTU |
- IBV_QP_DEST_QPN |
- IBV_QP_RQ_PSN |
- IBV_QP_MAX_DEST_RD_ATOMIC |
- IBV_QP_MIN_RNR_TIMER)) {
- gf_log ("transport/ib-verbs",
- GF_LOG_CRITICAL,
- "Failed to modify QP to RTR\n");
- return -1;
- }
-
- /* TODO: make timeout and retry_cnt configurable from options */
- attr.qp_state = IBV_QPS_RTS;
- attr.timeout = 14;
- attr.retry_cnt = 7;
- attr.rnr_retry = 7;
- attr.sq_psn = priv->peer.local_psn;
- attr.max_rd_atomic = 1;
- if (ibv_modify_qp (priv->peer.qp, &attr,
- IBV_QP_STATE |
- IBV_QP_TIMEOUT |
- IBV_QP_RETRY_CNT |
- IBV_QP_RNR_RETRY |
- IBV_QP_SQ_PSN |
- IBV_QP_MAX_QP_RD_ATOMIC)) {
- gf_log ("transport/ib-verbs",
- GF_LOG_CRITICAL,
- "Failed to modify QP to RTS\n");
- return -1;
- }
-
- return 0;
-}
-
-static int32_t
-__ib_verbs_teardown (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
-
- __ib_verbs_destroy_qp (this);
-
- if (!list_empty (&priv->peer.ioq)) {
- __ib_verbs_ioq_flush (&priv->peer);
- }
-
- /* TODO: decrement cq size */
- return 0;
-}
-
-/*
- * return value:
- * 0 = success (completed)
- * -1 = error
- * > 0 = incomplete
- */
-
-static int
-__tcp_rwv (transport_t *this, struct iovec *vector, int count,
- struct iovec **pending_vector, int *pending_count,
- int write)
-{
- ib_verbs_private_t *priv = NULL;
- int sock = -1;
- int ret = -1;
- struct iovec *opvector = vector;
- int opcount = count;
- int moved = 0;
-
- priv = this->private;
- sock = priv->sock;
-
- while (opcount)
- {
- if (write)
- {
- ret = writev (sock, opvector, opcount);
-
- if (ret == 0 || (ret == -1 && errno == EAGAIN))
- {
- /* done for now */
- break;
- }
- }
- else
- {
- ret = readv (sock, opvector, opcount);
-
- if (ret == -1 && errno == EAGAIN)
- {
- /* done for now */
- break;
- }
- }
-
- if (ret == 0)
- {
- gf_log (this->xl->name, GF_LOG_DEBUG,
- "EOF from peer %s", this->peerinfo.identifier);
- opcount = -1;
- errno = ENOTCONN;
- break;
- }
-
- if (ret == -1)
- {
- if (errno == EINTR)
- continue;
-
- gf_log (this->xl->name, GF_LOG_DEBUG,
- "%s failed (%s)", write ? "writev" : "readv",
- strerror (errno));
- if (write && !priv->connected &&
- (errno == ECONNREFUSED))
- gf_log (this->xl->name, GF_LOG_ERROR,
- "possible mismatch of 'transport-type'"
- " in protocol server and client. "
- "check volume file");
- opcount = -1;
- break;
- }
-
- moved = 0;
-
- while (moved < ret)
- {
- if ((ret - moved) >= opvector[0].iov_len)
- {
- moved += opvector[0].iov_len;
- opvector++;
- opcount--;
- }
- else
- {
- opvector[0].iov_len -= (ret - moved);
- opvector[0].iov_base += (ret - moved);
- moved += (ret - moved);
- }
- while (opcount && !opvector[0].iov_len)
- {
- opvector++;
- opcount--;
- }
- }
- }
-
- if (pending_vector)
- *pending_vector = opvector;
-
- if (pending_count)
- *pending_count = opcount;
-
- return opcount;
-}
-
-
-static int
-__tcp_readv (transport_t *this, struct iovec *vector, int count,
- struct iovec **pending_vector, int *pending_count)
-{
- int ret = -1;
-
- ret = __tcp_rwv (this, vector, count,
- pending_vector, pending_count, 0);
-
- return ret;
-}
-
-
-static int
-__tcp_writev (transport_t *this, struct iovec *vector, int count,
- struct iovec **pending_vector, int *pending_count)
-{
- int ret = -1;
- ib_verbs_private_t *priv = this->private;
-
- ret = __tcp_rwv (this, vector, count, pending_vector,
- pending_count, 1);
-
- if (ret > 0) {
- /* TODO: Avoid multiple calls when socket is already
- registered for POLLOUT */
- priv->idx = event_select_on (this->xl->ctx->event_pool,
- priv->sock, priv->idx, -1, 1);
- } else if (ret == 0) {
- priv->idx = event_select_on (this->xl->ctx->event_pool,
- priv->sock,
- priv->idx, -1, 0);
- }
-
- return ret;
-}
-
-
-static void *
-ib_verbs_recv_completion_proc (void *data)
-{
- struct ibv_comp_channel *chan = data;
- ib_verbs_private_t *priv = NULL;
- ib_verbs_device_t *device;
- ib_verbs_post_t *post;
- ib_verbs_peer_t *peer;
- struct ibv_cq *event_cq;
- struct ibv_wc wc;
- void *event_ctx;
- int32_t ret = 0;
-
-
- while (1) {
- ret = ibv_get_cq_event (chan, &event_cq, &event_ctx);
- if (ret) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "ibv_get_cq_event failed, terminating recv "
- "thread %d (%d)", ret, errno);
- continue;
- }
-
- device = event_ctx;
-
- ret = ibv_req_notify_cq (event_cq, 0);
- if (ret) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "ibv_req_notify_cq on %s failed, terminating "
- "recv thread: %d (%d)",
- device->device_name, ret, errno);
- continue;
- }
-
- device = (ib_verbs_device_t *) event_ctx;
-
- while ((ret = ibv_poll_cq (event_cq, 1, &wc)) > 0) {
- post = (ib_verbs_post_t *) (long) wc.wr_id;
-
- pthread_mutex_lock (&device->qpreg.lock);
- {
- peer = __ib_verbs_lookup_peer (device,
- wc.qp_num);
-
- /*
- * keep a refcount on transport so that it
- * doesnot get freed because of some error
- * indicated by wc.status till we are done
- * with usage of peer and thereby that of trans.
- */
- if (peer != NULL) {
- transport_ref (peer->trans);
- }
- }
- pthread_mutex_unlock (&device->qpreg.lock);
-
- if (wc.status != IBV_WC_SUCCESS) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "recv work request on `%s' returned "
- "error (%d)",
- device->device_name,
- wc.status);
- if (peer) {
- transport_unref (peer->trans);
- transport_disconnect (peer->trans);
- }
-
- if (post) {
- ib_verbs_post_recv (device->srq, post);
- }
- continue;
- }
-
- if (peer) {
- priv = peer->trans->private;
-
- pthread_mutex_lock (&priv->recv_mutex);
- {
- while (priv->data_ptr)
- pthread_cond_wait (&priv->recv_cond,
- &priv->recv_mutex);
-
- priv->data_ptr = post->buf;
- priv->data_offset = 0;
- priv->data_len = wc.byte_len;
-
- /*pthread_cond_broadcast (&priv->recv_cond);*/
- }
- pthread_mutex_unlock (&priv->recv_mutex);
-
- if ((ret = xlator_notify (peer->trans->xl, GF_EVENT_POLLIN,
- peer->trans, NULL)) == -1) {
- gf_log ("transport/ib-verbs",
- GF_LOG_DEBUG,
- "pollin notification to %s "
- "failed, disconnecting "
- "transport",
- peer->trans->xl->name);
- transport_disconnect (peer->trans);
- }
-
- transport_unref (peer->trans);
- } else {
- gf_log ("transport/ib-verbs",
- GF_LOG_DEBUG,
- "could not lookup peer for qp_num: %d",
- wc.qp_num);
- }
- ib_verbs_post_recv (device->srq, post);
- }
-
- if (ret < 0) {
- gf_log ("transport/ib-verbs",
- GF_LOG_ERROR,
- "ibv_poll_cq on `%s' returned error "
- "(ret = %d, errno = %d)",
- device->device_name, ret, errno);
- continue;
- }
- ibv_ack_cq_events (event_cq, 1);
- }
- return NULL;
-}
-
-
-static void *
-ib_verbs_send_completion_proc (void *data)
-{
- struct ibv_comp_channel *chan = data;
- ib_verbs_post_t *post;
- ib_verbs_peer_t *peer;
- struct ibv_cq *event_cq;
- void *event_ctx;
- ib_verbs_device_t *device;
- struct ibv_wc wc;
- int32_t ret;
-
- while (1) {
- ret = ibv_get_cq_event (chan, &event_cq, &event_ctx);
- if (ret) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "ibv_get_cq_event on failed, terminating "
- "send thread: %d (%d)", ret, errno);
- continue;
- }
-
- device = event_ctx;
-
- ret = ibv_req_notify_cq (event_cq, 0);
- if (ret) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "ibv_req_notify_cq on %s failed, terminating "
- "send thread: %d (%d)",
- device->device_name, ret, errno);
- continue;
- }
-
- while ((ret = ibv_poll_cq (event_cq, 1, &wc)) > 0) {
- post = (ib_verbs_post_t *) (long) wc.wr_id;
-
- pthread_mutex_lock (&device->qpreg.lock);
- {
- peer = __ib_verbs_lookup_peer (device,
- wc.qp_num);
-
- /*
- * keep a refcount on transport so that it
- * doesnot get freed because of some error
- * indicated by wc.status till we are done
- * with usage of peer and thereby that of trans.
- */
- if (peer != NULL) {
- transport_ref (peer->trans);
- }
- }
- pthread_mutex_unlock (&device->qpreg.lock);
-
- if (wc.status != IBV_WC_SUCCESS) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "send work request on `%s' returned "
- "error wc.status = %d, wc.vendor_err "
- "= %d, post->buf = %p, wc.byte_len = "
- "%d, post->reused = %d",
- device->device_name, wc.status,
- wc.vendor_err,
- post->buf, wc.byte_len, post->reused);
- if (wc.status == IBV_WC_RETRY_EXC_ERR)
- gf_log ("ib-verbs", GF_LOG_ERROR,
- "connection between client and"
- " server not working. check by"
- " running 'ibv_srq_pingpong'. "
- "also make sure subnet manager"
- " is running (eg: 'opensm'), "
- "or check if ib-verbs port is "
- "valid (or active) by running "
- " 'ibv_devinfo'. contact "
- "Gluster Support Team if "
- "the problem persists.");
- if (peer)
- transport_disconnect (peer->trans);
- }
-
- if (post) {
- ib_verbs_put_post (&device->sendq, post);
- }
-
- if (peer) {
- int quota_ret = ib_verbs_quota_put (peer);
- if (quota_ret < 0) {
- gf_log ("ib-verbs", GF_LOG_DEBUG,
- "failed to send message");
-
- }
-
- transport_unref (peer->trans);
- } else {
- gf_log ("transport/ib-verbs", GF_LOG_DEBUG,
- "could not lookup peer for qp_num: %d",
- wc.qp_num);
- }
- }
-
- if (ret < 0) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "ibv_poll_cq on `%s' returned error (ret = %d,"
- " errno = %d)",
- device->device_name, ret, errno);
- continue;
- }
- ibv_ack_cq_events (event_cq, 1);
- }
-
- return NULL;
-}
-
-static void
-ib_verbs_options_init (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- ib_verbs_options_t *options = &priv->options;
- int32_t mtu;
- data_t *temp;
-
- /* TODO: validate arguments from options below */
-
- options->send_size = this->xl->ctx->page_size * 4; /* 512 KB */
- options->recv_size = this->xl->ctx->page_size * 4; /* 512 KB */
- options->send_count = 32;
- options->recv_count = 32;
-
- temp = dict_get (this->xl->options,
- "transport.ib-verbs.work-request-send-count");
- if (temp)
- options->send_count = data_to_int32 (temp);
-
- temp = dict_get (this->xl->options,
- "transport.ib-verbs.work-request-recv-count");
- if (temp)
- options->recv_count = data_to_int32 (temp);
-
- options->port = 0;
- temp = dict_get (this->xl->options,
- "transport.ib-verbs.port");
- if (temp)
- options->port = data_to_uint64 (temp);
-
- options->mtu = mtu = IBV_MTU_2048;
- temp = dict_get (this->xl->options,
- "transport.ib-verbs.mtu");
- if (temp)
- mtu = data_to_int32 (temp);
- switch (mtu) {
- case 256: options->mtu = IBV_MTU_256;
- break;
- case 512: options->mtu = IBV_MTU_512;
- break;
- case 1024: options->mtu = IBV_MTU_1024;
- break;
- case 2048: options->mtu = IBV_MTU_2048;
- break;
- case 4096: options->mtu = IBV_MTU_4096;
- break;
- default:
- if (temp)
- gf_log ("transport/ib-verbs", GF_LOG_WARNING,
- "%s: unrecognized MTU value '%s', defaulting "
- "to '2048'", this->xl->name,
- data_to_str (temp));
- else
- gf_log ("transport/ib-verbs", GF_LOG_TRACE,
- "%s: defaulting MTU to '2048'",
- this->xl->name);
- options->mtu = IBV_MTU_2048;
- break;
- }
-
- temp = dict_get (this->xl->options,
- "transport.ib-verbs.device-name");
- if (temp)
- options->device_name = gf_strdup (temp->data);
-
- return;
-}
-
-static void
-ib_verbs_queue_init (ib_verbs_queue_t *queue)
-{
- pthread_mutex_init (&queue->lock, NULL);
-
- queue->active_posts.next = &queue->active_posts;
- queue->active_posts.prev = &queue->active_posts;
- queue->passive_posts.next = &queue->passive_posts;
- queue->passive_posts.prev = &queue->passive_posts;
-}
-
-
-static ib_verbs_device_t *
-ib_verbs_get_device (transport_t *this,
- struct ibv_context *ibctx)
-{
- glusterfs_ctx_t *ctx = this->xl->ctx;
- ib_verbs_private_t *priv = this->private;
- ib_verbs_options_t *options = &priv->options;
- char *device_name = priv->options.device_name;
- uint32_t port = priv->options.port;
-
- uint8_t active_port = 0;
- int32_t ret = 0;
- int32_t i = 0;
-
- ib_verbs_device_t *trav;
-
- trav = ctx->ib;
- while (trav) {
- if ((!strcmp (trav->device_name, device_name)) &&
- (trav->port == port))
- break;
- trav = trav->next;
- }
-
- if (!trav) {
-
- trav = GF_CALLOC (1, sizeof (*trav),
- gf_ibv_mt_ib_verbs_device_t);
- if (!trav)
- return NULL;
- priv->device = trav;
-
- trav->context = ibctx;
-
- ret = ib_get_active_port (trav->context);
-
- if (ret < 0) {
- if (!port) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "Failed to find any active ports and "
- "none specified in volume file,"
- " exiting");
- return NULL;
- }
- }
-
- active_port = ret;
-
- if (port) {
- ret = ib_check_active_port (trav->context, port);
- if (ret < 0) {
- gf_log ("transport/ib-verbs", GF_LOG_WARNING,
- "On device %s: provided port:%u is "
- "found to be offline, continuing to "
- "use the same port", device_name, port);
- }
- } else {
- priv->options.port = active_port;
- port = active_port;
- gf_log ("transport/ib-verbs", GF_LOG_TRACE,
- "Port unspecified in volume file using active "
- "port: %u", port);
- }
-
- trav->device_name = gf_strdup (device_name);
- trav->port = port;
-
- trav->next = ctx->ib;
- ctx->ib = trav;
-
- trav->send_chan = ibv_create_comp_channel (trav->context);
- if (!trav->send_chan) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "%s: could not create send completion channel",
- device_name);
- /* TODO: cleanup current mess */
- return NULL;
- }
-
- trav->recv_chan = ibv_create_comp_channel (trav->context);
- if (!trav->recv_chan) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "could not create recv completion channel");
- /* TODO: cleanup current mess */
- return NULL;
- }
-
- if (ib_verbs_create_cq (this) < 0) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "%s: could not create CQ",
- this->xl->name);
- return NULL;
- }
-
- /* protection domain */
- trav->pd = ibv_alloc_pd (trav->context);
-
- if (!trav->pd) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "%s: could not allocate protection domain",
- this->xl->name);
- return NULL;
- }
-
- struct ibv_srq_init_attr attr = {
- .attr = {
- .max_wr = options->recv_count,
- .max_sge = 1
- }
- };
- trav->srq = ibv_create_srq (trav->pd, &attr);
-
- if (!trav->srq) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "%s: could not create SRQ",
- this->xl->name);
- return NULL;
- }
-
- /* queue init */
- ib_verbs_queue_init (&trav->sendq);
- ib_verbs_queue_init (&trav->recvq);
-
- if (ib_verbs_create_posts (this) < 0) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "%s: could not allocate posts",
- this->xl->name);
- return NULL;
- }
-
- /* completion threads */
- ret = pthread_create (&trav->send_thread,
- NULL,
- ib_verbs_send_completion_proc,
- trav->send_chan);
- if (ret) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "could not create send completion thread");
- return NULL;
- }
- ret = pthread_create (&trav->recv_thread,
- NULL,
- ib_verbs_recv_completion_proc,
- trav->recv_chan);
- if (ret) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "could not create recv completion thread");
- return NULL;
- }
-
- /* qpreg */
- pthread_mutex_init (&trav->qpreg.lock, NULL);
- for (i=0; i<42; i++) {
- trav->qpreg.ents[i].next = &trav->qpreg.ents[i];
- trav->qpreg.ents[i].prev = &trav->qpreg.ents[i];
- }
- }
- return trav;
-}
-
-static int32_t
-ib_verbs_init (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- ib_verbs_options_t *options = &priv->options;
- struct ibv_device **dev_list;
- struct ibv_context *ib_ctx = NULL;
- int32_t ret = 0;
-
- ib_verbs_options_init (this);
-
- {
- dev_list = ibv_get_device_list (NULL);
-
- if (!dev_list) {
- gf_log ("transport/ib-verbs",
- GF_LOG_CRITICAL,
- "Failed to get IB devices");
- ret = -1;
- goto cleanup;
- }
-
- if (!*dev_list) {
- gf_log ("transport/ib-verbs",
- GF_LOG_CRITICAL,
- "No IB devices found");
- ret = -1;
- goto cleanup;
- }
-
- if (!options->device_name) {
- if (*dev_list) {
- options->device_name =
- gf_strdup (ibv_get_device_name (*dev_list));
- } else {
- gf_log ("transport/ib-verbs", GF_LOG_CRITICAL,
- "IB device list is empty. Check for "
- "'ib_uverbs' module");
- return -1;
- goto cleanup;
- }
- }
-
- while (*dev_list) {
- if (!strcmp (ibv_get_device_name (*dev_list),
- options->device_name)) {
- ib_ctx = ibv_open_device (*dev_list);
-
- if (!ib_ctx) {
- gf_log ("transport/ib-verbs",
- GF_LOG_ERROR,
- "Failed to get infiniband"
- "device context");
- ret = -1;
- goto cleanup;
- }
- break;
- }
- ++dev_list;
- }
-
- priv->device = ib_verbs_get_device (this, ib_ctx);
-
- if (!priv->device) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "could not create ib_verbs device for %s",
- options->device_name);
- ret = -1;
- goto cleanup;
- }
- }
-
- priv->peer.trans = this;
- INIT_LIST_HEAD (&priv->peer.ioq);
-
- pthread_mutex_init (&priv->read_mutex, NULL);
- pthread_mutex_init (&priv->write_mutex, NULL);
- pthread_mutex_init (&priv->recv_mutex, NULL);
- pthread_cond_init (&priv->recv_cond, NULL);
-
-cleanup:
- if (-1 == ret) {
- if (ib_ctx)
- ibv_close_device (ib_ctx);
- }
-
- if (dev_list)
- ibv_free_device_list (dev_list);
-
- return ret;
-}
-
-
-static int32_t
-ib_verbs_disconnect (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- int32_t ret = 0;
-
- pthread_mutex_lock (&priv->write_mutex);
- {
- ret = __ib_verbs_disconnect (this);
- }
- pthread_mutex_unlock (&priv->write_mutex);
-
- return ret;
-}
-
-
-static int32_t
-__tcp_connect_finish (int fd)
-{
- int ret = -1;
- int optval = 0;
- socklen_t optlen = sizeof (int);
-
- ret = getsockopt (fd, SOL_SOCKET, SO_ERROR,
- (void *)&optval, &optlen);
-
- if (ret == 0 && optval)
- {
- errno = optval;
- ret = -1;
- }
-
- return ret;
-}
-
-static inline void
-ib_verbs_fill_handshake_data (char *buf, struct ib_verbs_nbio *nbio,
- ib_verbs_private_t *priv)
-{
- sprintf (buf,
- "QP1:RECV_BLKSIZE=%08x:SEND_BLKSIZE=%08x\n"
- "QP1:LID=%04x:QPN=%06x:PSN=%06x\n",
- priv->peer.recv_size,
- priv->peer.send_size,
- priv->peer.local_lid,
- priv->peer.local_qpn,
- priv->peer.local_psn);
-
- nbio->vector.iov_base = buf;
- nbio->vector.iov_len = strlen (buf) + 1;
- nbio->count = 1;
- return;
-}
-
-static inline void
-ib_verbs_fill_handshake_ack (char *buf, struct ib_verbs_nbio *nbio)
-{
- sprintf (buf, "DONE\n");
- nbio->vector.iov_base = buf;
- nbio->vector.iov_len = strlen (buf) + 1;
- nbio->count = 1;
- return;
-}
-
-static int
-ib_verbs_handshake_pollin (transport_t *this)
-{
- int ret = 0;
- ib_verbs_private_t *priv = this->private;
- char *buf = priv->handshake.incoming.buf;
- int32_t recv_buf_size, send_buf_size;
- socklen_t sock_len;
-
- if (priv->handshake.incoming.state == IB_VERBS_HANDSHAKE_COMPLETE) {
- return -1;
- }
-
- pthread_mutex_lock (&priv->write_mutex);
- {
- while (priv->handshake.incoming.state != IB_VERBS_HANDSHAKE_COMPLETE)
- {
- switch (priv->handshake.incoming.state)
- {
- case IB_VERBS_HANDSHAKE_START:
- buf = priv->handshake.incoming.buf = GF_CALLOC (1, 256, gf_ibv_mt_char);
- ib_verbs_fill_handshake_data (buf, &priv->handshake.incoming, priv);
- buf[0] = 0;
- priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_RECEIVING_DATA;
- break;
-
- case IB_VERBS_HANDSHAKE_RECEIVING_DATA:
- ret = __tcp_readv (this,
- &priv->handshake.incoming.vector,
- priv->handshake.incoming.count,
- &priv->handshake.incoming.pending_vector,
- &priv->handshake.incoming.pending_count);
- if (ret == -1) {
- goto unlock;
- }
-
- if (ret > 0) {
- gf_log (this->xl->name, GF_LOG_TRACE,
- "partial header read on NB socket. continue later");
- goto unlock;
- }
-
- if (!ret) {
- priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_RECEIVED_DATA;
- }
- break;
-
- case IB_VERBS_HANDSHAKE_RECEIVED_DATA:
- ret = sscanf (buf,
- "QP1:RECV_BLKSIZE=%08x:SEND_BLKSIZE=%08x\n"
- "QP1:LID=%04x:QPN=%06x:PSN=%06x\n",
- &recv_buf_size,
- &send_buf_size,
- &priv->peer.remote_lid,
- &priv->peer.remote_qpn,
- &priv->peer.remote_psn);
-
- if ((ret != 5) && (strncmp (buf, "QP1:", 4))) {
- gf_log ("transport/ib-verbs",
- GF_LOG_CRITICAL,
- "%s: remote-host(%s)'s "
- "transport type is different",
- this->xl->name,
- this->peerinfo.identifier);
- ret = -1;
- goto unlock;
- }
-
- if (recv_buf_size < priv->peer.recv_size)
- priv->peer.recv_size = recv_buf_size;
- if (send_buf_size < priv->peer.send_size)
- priv->peer.send_size = send_buf_size;
-
- gf_log ("transport/ib-verbs", GF_LOG_TRACE,
- "%s: transacted recv_size=%d "
- "send_size=%d",
- this->xl->name, priv->peer.recv_size,
- priv->peer.send_size);
-
- priv->peer.quota = priv->peer.send_count;
-
- if (ib_verbs_connect_qp (this)) {
- gf_log ("transport/ib-verbs",
- GF_LOG_ERROR,
- "%s: failed to connect with "
- "remote QP", this->xl->name);
- ret = -1;
- goto unlock;
- }
- ib_verbs_fill_handshake_ack (buf, &priv->handshake.incoming);
- buf[0] = 0;
- priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_RECEIVING_ACK;
- break;
-
- case IB_VERBS_HANDSHAKE_RECEIVING_ACK:
- ret = __tcp_readv (this,
- &priv->handshake.incoming.vector,
- priv->handshake.incoming.count,
- &priv->handshake.incoming.pending_vector,
- &priv->handshake.incoming.pending_count);
- if (ret == -1) {
- goto unlock;
- }
-
- if (ret > 0) {
- gf_log (this->xl->name, GF_LOG_TRACE,
- "partial header read on NB "
- "socket. continue later");
- goto unlock;
- }
-
- if (!ret) {
- priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_RECEIVED_ACK;
- }
- break;
-
- case IB_VERBS_HANDSHAKE_RECEIVED_ACK:
- if (strncmp (buf, "DONE", 4)) {
- gf_log ("transport/ib-verbs",
- GF_LOG_DEBUG,
- "%s: handshake-3 did not "
- "return 'DONE' (%s)",
- this->xl->name, buf);
- ret = -1;
- goto unlock;
- }
- ret = 0;
- priv->connected = 1;
- sock_len = sizeof (struct sockaddr_storage);
- getpeername (priv->sock,
- (struct sockaddr *) &this->peerinfo.sockaddr,
- &sock_len);
-
- GF_FREE (priv->handshake.incoming.buf);
- priv->handshake.incoming.buf = NULL;
- priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_COMPLETE;
- }
- }
- }
-unlock:
- pthread_mutex_unlock (&priv->write_mutex);
-
- if (ret == -1) {
- transport_disconnect (this);
- } else {
- ret = 0;
- }
-
- if (!ret && priv->connected) {
- ret = xlator_notify (this->xl, GF_EVENT_CHILD_UP, this);
- }
-
- return ret;
-}
-
-static int
-ib_verbs_handshake_pollout (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- char *buf = priv->handshake.outgoing.buf;
- int32_t ret = 0;
-
- if (priv->handshake.outgoing.state == IB_VERBS_HANDSHAKE_COMPLETE) {
- return 0;
- }
-
- pthread_mutex_unlock (&priv->write_mutex);
- {
- while (priv->handshake.outgoing.state != IB_VERBS_HANDSHAKE_COMPLETE)
- {
- switch (priv->handshake.outgoing.state)
- {
- case IB_VERBS_HANDSHAKE_START:
- buf = priv->handshake.outgoing.buf = GF_CALLOC (1, 256, gf_ibv_mt_char);
- ib_verbs_fill_handshake_data (buf, &priv->handshake.outgoing, priv);
- priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_SENDING_DATA;
- break;
-
- case IB_VERBS_HANDSHAKE_SENDING_DATA:
- ret = __tcp_writev (this,
- &priv->handshake.outgoing.vector,
- priv->handshake.outgoing.count,
- &priv->handshake.outgoing.pending_vector,
- &priv->handshake.outgoing.pending_count);
- if (ret == -1) {
- goto unlock;
- }
-
- if (ret > 0) {
- gf_log (this->xl->name, GF_LOG_TRACE,
- "partial header read on NB socket. continue later");
- goto unlock;
- }
-
- if (!ret) {
- priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_SENT_DATA;
- }
- break;
-
- case IB_VERBS_HANDSHAKE_SENT_DATA:
- ib_verbs_fill_handshake_ack (buf, &priv->handshake.outgoing);
- priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_SENDING_ACK;
- break;
-
- case IB_VERBS_HANDSHAKE_SENDING_ACK:
- ret = __tcp_writev (this,
- &priv->handshake.outgoing.vector,
- priv->handshake.outgoing.count,
- &priv->handshake.outgoing.pending_vector,
- &priv->handshake.outgoing.pending_count);
-
- if (ret == -1) {
- goto unlock;
- }
-
- if (ret > 0) {
- gf_log (this->xl->name, GF_LOG_TRACE,
- "partial header read on NB "
- "socket. continue later");
- goto unlock;
- }
-
- if (!ret) {
- GF_FREE (priv->handshake.outgoing.buf);
- priv->handshake.outgoing.buf = NULL;
- priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_COMPLETE;
- }
- break;
- }
- }
- }
-unlock:
- pthread_mutex_unlock (&priv->write_mutex);
-
- if (ret == -1) {
- transport_disconnect (this);
- } else {
- ret = 0;
- }
-
- return ret;
-}
-
-static int
-ib_verbs_handshake_pollerr (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- int32_t ret = 0;
- char need_unref = 0;
-
- gf_log ("transport/ib-verbs", GF_LOG_DEBUG,
- "%s: peer disconnected, cleaning up",
- this->xl->name);
-
- pthread_mutex_lock (&priv->write_mutex);
- {
- __ib_verbs_teardown (this);
-
- if (priv->sock != -1) {
- event_unregister (this->xl->ctx->event_pool,
- priv->sock, priv->idx);
- need_unref = 1;
-
- if (close (priv->sock) != 0) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "close () - error: %s",
- strerror (errno));
- ret = -errno;
- }
- priv->tcp_connected = priv->connected = 0;
- priv->sock = -1;
- }
-
- if (priv->handshake.incoming.buf) {
- GF_FREE (priv->handshake.incoming.buf);
- priv->handshake.incoming.buf = NULL;
- }
-
- priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_START;
-
- if (priv->handshake.outgoing.buf) {
- GF_FREE (priv->handshake.outgoing.buf);
- priv->handshake.outgoing.buf = NULL;
- }
-
- priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_START;
- }
- pthread_mutex_unlock (&priv->write_mutex);
-
- xlator_notify (this->xl, GF_EVENT_POLLERR, this, NULL);
-
- if (need_unref)
- transport_unref (this);
-
- return 0;
-}
-
-
-static int
-tcp_connect_finish (transport_t *this)
-{
- ib_verbs_private_t *priv = this->private;
- int error = 0, ret = 0;
-
- pthread_mutex_lock (&priv->write_mutex);
- {
- ret = __tcp_connect_finish (priv->sock);
-
- if (!ret) {
- this->myinfo.sockaddr_len =
- sizeof (this->myinfo.sockaddr);
- ret = getsockname (priv->sock,
- (struct sockaddr *)&this->myinfo.sockaddr,
- &this->myinfo.sockaddr_len);
- if (ret == -1)
- {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "getsockname on new client-socket %d "
- "failed (%s)",
- priv->sock, strerror (errno));
- close (priv->sock);
- error = 1;
- goto unlock;
- }
-
- gf_ibverbs_get_transport_identifiers (this);
- priv->tcp_connected = 1;
- }
-
- if (ret == -1 && errno != EINPROGRESS) {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "tcp connect to %s failed (%s)",
- this->peerinfo.identifier, strerror (errno));
- error = 1;
- }
- }
-unlock:
- pthread_mutex_unlock (&priv->write_mutex);
-
- if (error) {
- transport_disconnect (this);
- }
-
- return ret;
-}
-
-static int
-ib_verbs_event_handler (int fd, int idx, void *data,
- int poll_in, int poll_out, int poll_err)
-{
- transport_t *this = data;
- ib_verbs_private_t *priv = this->private;
- ib_verbs_options_t *options = NULL;
- int ret = 0;
-
- if (!priv->tcp_connected) {
- ret = tcp_connect_finish (this);
- if (priv->tcp_connected) {
- options = &priv->options;
-
- priv->peer.send_count = options->send_count;
- priv->peer.recv_count = options->recv_count;
- priv->peer.send_size = options->send_size;
- priv->peer.recv_size = options->recv_size;
-
- if ((ret = ib_verbs_create_qp (this)) < 0) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "%s: could not create QP",
- this->xl->name);
- transport_disconnect (this);
- }
- }
- }
-
- if (!ret && poll_out && priv->tcp_connected) {
- ret = ib_verbs_handshake_pollout (this);
- }
-
- if (!ret && poll_in && priv->tcp_connected) {
- if (priv->handshake.incoming.state == IB_VERBS_HANDSHAKE_COMPLETE) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "%s: pollin received on tcp socket (peer: %s) "
- "after handshake is complete",
- this->xl->name, this->peerinfo.identifier);
- ib_verbs_handshake_pollerr (this);
- return 0;
- }
- ret = ib_verbs_handshake_pollin (this);
- }
-
- if (ret < 0 || poll_err) {
- ret = ib_verbs_handshake_pollerr (this);
- }
-
- return 0;
-}
-
-static int
-__tcp_nonblock (int fd)
-{
- int flags = 0;
- int ret = -1;
-
- flags = fcntl (fd, F_GETFL);
-
- if (flags != -1)
- ret = fcntl (fd, F_SETFL, flags | O_NONBLOCK);
-
- return ret;
-}
-
-static int32_t
-ib_verbs_connect (struct transport *this)
-{
- dict_t *options = this->xl->options;
-
- ib_verbs_private_t *priv = this->private;
-
- int32_t ret = 0;
- gf_boolean_t non_blocking = 1;
- struct sockaddr_storage sockaddr;
- socklen_t sockaddr_len = 0;
-
- if (priv->connected) {
- return 0;
- }
-
- if (dict_get (options, "non-blocking-io")) {
- char *nb_connect = data_to_str (dict_get (this->xl->options,
- "non-blocking-io"));
-
- if (gf_string2boolean (nb_connect, &non_blocking) == -1) {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "'non-blocking-io' takes only boolean "
- "options, not taking any action");
- non_blocking = 1;
- }
- }
-
- ret = gf_ibverbs_client_get_remote_sockaddr (this,
- (struct sockaddr *)&sockaddr,
- &sockaddr_len);
- if (ret != 0) {
- gf_log (this->xl->name, GF_LOG_DEBUG,
- "cannot get remote address to connect");
- return ret;
- }
-
- pthread_mutex_lock (&priv->write_mutex);
- {
- if (priv->sock != -1) {
- ret = 0;
- goto unlock;
- }
-
- priv->sock = socket (((struct sockaddr *)&sockaddr)->sa_family,
- SOCK_STREAM, 0);
-
- if (priv->sock == -1) {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "socket () - error: %s", strerror (errno));
- ret = -errno;
- goto unlock;
- }
-
- gf_log (this->xl->name, GF_LOG_TRACE,
- "socket fd = %d", priv->sock);
-
- memcpy (&this->peerinfo.sockaddr, &sockaddr, sockaddr_len);
- this->peerinfo.sockaddr_len = sockaddr_len;
-
- ((struct sockaddr *) &this->myinfo.sockaddr)->sa_family =
- ((struct sockaddr *)&this->peerinfo.sockaddr)->sa_family;
-
- if (non_blocking)
- {
- ret = __tcp_nonblock (priv->sock);
-
- if (ret == -1)
- {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "could not set socket %d to non "
- "blocking mode (%s)",
- priv->sock, strerror (errno));
- close (priv->sock);
- priv->sock = -1;
- goto unlock;
- }
- }
-
- ret = gf_ibverbs_client_bind (this,
- (struct sockaddr *)&this->myinfo.sockaddr,
- &this->myinfo.sockaddr_len, priv->sock);
- if (ret == -1)
- {
- gf_log (this->xl->name, GF_LOG_WARNING,
- "client bind failed: %s", strerror (errno));
- close (priv->sock);
- priv->sock = -1;
- goto unlock;
- }
-
- ret = connect (priv->sock,
- (struct sockaddr *)&this->peerinfo.sockaddr,
- this->peerinfo.sockaddr_len);
- if (ret == -1 && errno != EINPROGRESS)
- {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "connection attempt failed (%s)",
- strerror (errno));
- close (priv->sock);
- priv->sock = -1;
- goto unlock;
- }
-
- priv->tcp_connected = priv->connected = 0;
-
- transport_ref (this);
-
- priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_START;
- priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_START;
-
- priv->idx = event_register (this->xl->ctx->event_pool,
- priv->sock, ib_verbs_event_handler,
- this, 1, 1);
- }
-unlock:
- pthread_mutex_unlock (&priv->write_mutex);
-
- return ret;
-}
-
-static int
-ib_verbs_server_event_handler (int fd, int idx, void *data,
- int poll_in, int poll_out, int poll_err)
-{
- int32_t main_sock = -1;
- transport_t *this, *trans = data;
- ib_verbs_private_t *priv = NULL;
- ib_verbs_private_t *trans_priv = (ib_verbs_private_t *) trans->private;
- ib_verbs_options_t *options = NULL;
-
- if (!poll_in)
- return 0;
-
- this = GF_CALLOC (1, sizeof (transport_t),
- gf_ibv_mt_transport_t);
- if (!this)
- return 0;
-
- priv = GF_CALLOC (1, sizeof (ib_verbs_private_t),
- gf_ibv_mt_ib_verbs_private_t);
- if (!priv) {
- GF_FREE (this);
- return 0;
- }
-
- this->private = priv;
- /* Copy all the ib_verbs related values in priv, from trans_priv
- as other than QP, all the values remain same */
- priv->device = trans_priv->device;
- priv->options = trans_priv->options;
- options = &priv->options;
-
- this->ops = trans->ops;
- this->xl = trans->xl;
- this->init = trans->init;
- this->fini = trans->fini;
-
- memcpy (&this->myinfo.sockaddr, &trans->myinfo.sockaddr,
- trans->myinfo.sockaddr_len);
- this->myinfo.sockaddr_len = trans->myinfo.sockaddr_len;
-
- main_sock = (trans_priv)->sock;
- this->peerinfo.sockaddr_len = sizeof (this->peerinfo.sockaddr);
- priv->sock = accept (main_sock,
- (struct sockaddr *)&this->peerinfo.sockaddr,
- &this->peerinfo.sockaddr_len);
- if (priv->sock == -1) {
- gf_log ("ib-verbs/server", GF_LOG_ERROR,
- "accept() failed: %s",
- strerror (errno));
- GF_FREE (this->private);
- GF_FREE (this);
- return -1;
- }
-
- priv->peer.trans = this;
- transport_ref (this);
-
- gf_ibverbs_get_transport_identifiers (this);
-
- priv->tcp_connected = 1;
- priv->handshake.incoming.state = IB_VERBS_HANDSHAKE_START;
- priv->handshake.outgoing.state = IB_VERBS_HANDSHAKE_START;
-
- priv->peer.send_count = options->send_count;
- priv->peer.recv_count = options->recv_count;
- priv->peer.send_size = options->send_size;
- priv->peer.recv_size = options->recv_size;
- INIT_LIST_HEAD (&priv->peer.ioq);
-
- if (ib_verbs_create_qp (this) < 0) {
- gf_log ("transport/ib-verbs", GF_LOG_ERROR,
- "%s: could not create QP",
- this->xl->name);
- transport_disconnect (this);
- return -1;
- }
-
- priv->idx = event_register (this->xl->ctx->event_pool, priv->sock,
- ib_verbs_event_handler, this, 1, 1);
-
- pthread_mutex_init (&priv->read_mutex, NULL);
- pthread_mutex_init (&priv->write_mutex, NULL);
- pthread_mutex_init (&priv->recv_mutex, NULL);
- /* pthread_cond_init (&priv->recv_cond, NULL); */
-
- return 0;
-}
-
-static int32_t
-ib_verbs_listen (transport_t *this)
-{
- struct sockaddr_storage sockaddr;
- socklen_t sockaddr_len;
- ib_verbs_private_t *priv = this->private;
- int opt = 1, ret = 0;
- char service[NI_MAXSERV], host[NI_MAXHOST];
-
- memset (&sockaddr, 0, sizeof (sockaddr));
- ret = gf_ibverbs_server_get_local_sockaddr (this,
- (struct sockaddr *)&sockaddr,
- &sockaddr_len);
- if (ret != 0) {
- gf_log (this->xl->name, GF_LOG_DEBUG,
- "cannot find network address of server to bind to");
- goto err;
- }
-
- priv->sock = socket (((struct sockaddr *)&sockaddr)->sa_family,
- SOCK_STREAM, 0);
- if (priv->sock == -1) {
- gf_log ("ib-verbs/server", GF_LOG_CRITICAL,
- "init: failed to create socket, error: %s",
- strerror (errno));
- GF_FREE (this->private);
- ret = -1;
- goto err;
- }
-
- memcpy (&this->myinfo.sockaddr, &sockaddr, sockaddr_len);
- this->myinfo.sockaddr_len = sockaddr_len;
-
- ret = getnameinfo ((struct sockaddr *)&this->myinfo.sockaddr,
- this->myinfo.sockaddr_len,
- host, sizeof (host),
- service, sizeof (service),
- NI_NUMERICHOST);
- if (ret != 0) {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "getnameinfo failed (%s)", gai_strerror (ret));
- goto err;
- }
- sprintf (this->myinfo.identifier, "%s:%s", host, service);
-
- setsockopt (priv->sock, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof (opt));
- if (bind (priv->sock,
- (struct sockaddr *)&sockaddr,
- sockaddr_len) != 0) {
- ret = -1;
- gf_log ("ib-verbs/server", GF_LOG_ERROR,
- "init: failed to bind to socket for %s (%s)",
- this->myinfo.identifier, strerror (errno));
- goto err;
- }
-
- if (listen (priv->sock, 10) != 0) {
- gf_log ("ib-verbs/server", GF_LOG_ERROR,
- "init: listen () failed on socket for %s (%s)",
- this->myinfo.identifier, strerror (errno));
- ret = -1;
- goto err;
- }
-
- /* Register the main socket */
- priv->idx = event_register (this->xl->ctx->event_pool, priv->sock,
- ib_verbs_server_event_handler,
- transport_ref (this), 1, 0);
-
-err:
- return ret;
-}
-
-struct transport_ops tops = {
- .receive = ib_verbs_receive,
- .submit = ib_verbs_submit,
- .connect = ib_verbs_connect,
- .disconnect = ib_verbs_disconnect,
- .listen = ib_verbs_listen,
-};
-
-int32_t
-init (transport_t *this)
-{
- ib_verbs_private_t *priv = GF_CALLOC (1, sizeof (*priv),
- gf_ibv_mt_ib_verbs_private_t);
- this->private = priv;
- priv->sock = -1;
-
- if (ib_verbs_init (this)) {
- gf_log (this->xl->name, GF_LOG_ERROR,
- "Failed to initialize IB Device");
- return -1;
- }
-
- return 0;
-}
-
-void
-fini (struct transport *this)
-{
- /* TODO: verify this function does graceful finish */
- ib_verbs_private_t *priv = this->private;
- this->private = NULL;
-
- pthread_mutex_destroy (&priv->recv_mutex);
- pthread_mutex_destroy (&priv->write_mutex);
- pthread_mutex_destroy (&priv->read_mutex);
- /* pthread_cond_destroy (&priv->recv_cond); */
-
- gf_log (this->xl->name, GF_LOG_TRACE,
- "called fini on transport: %p",
- this);
- GF_FREE (priv);
- return;
-}
-
-int32_t
-mem_acct_init (xlator_t *this)
-{
- int ret = -1;
-
- if (!this)
- return ret;
-
- ret = xlator_mem_acct_init (this, gf_common_mt_end + 1);
-
- if (ret != 0) {
- gf_log (this->name, GF_LOG_ERROR, "Memory accounting init"
- "failed");
- return ret;
- }
-
- return ret;
-}
-
-/* TODO: expand each option */
-struct volume_options options[] = {
- { .key = {"transport.ib-verbs.port",
- "ib-verbs-port"},
- .type = GF_OPTION_TYPE_INT,
- .min = 1,
- .max = 4,
- .description = "check the option by 'ibv_devinfo'"
- },
- { .key = {"transport.ib-verbs.mtu",
- "ib-verbs-mtu"},
- .type = GF_OPTION_TYPE_INT,
- },
- { .key = {"transport.ib-verbs.device-name",
- "ib-verbs-device-name"},
- .type = GF_OPTION_TYPE_ANY,
- .description = "check by 'ibv_devinfo'"
- },
- { .key = {"transport.ib-verbs.work-request-send-count",
- "ib-verbs-work-request-send-count"},
- .type = GF_OPTION_TYPE_INT,
- },
- { .key = {"transport.ib-verbs.work-request-recv-count",
- "ib-verbs-work-request-recv-count"},
- .type = GF_OPTION_TYPE_INT,
- },
- { .key = {"remote-port",
- "transport.remote-port",
- "transport.ib-verbs.remote-port"},
- .type = GF_OPTION_TYPE_INT
- },
- { .key = {"transport.ib-verbs.listen-port", "listen-port"},
- .type = GF_OPTION_TYPE_INT
- },
- { .key = {"transport.ib-verbs.connect-path", "connect-path"},
- .type = GF_OPTION_TYPE_ANY
- },
- { .key = {"transport.ib-verbs.bind-path", "bind-path"},
- .type = GF_OPTION_TYPE_ANY
- },
- { .key = {"transport.ib-verbs.listen-path", "listen-path"},
- .type = GF_OPTION_TYPE_ANY
- },
- { .key = {"transport.address-family",
- "address-family"},
- .value = {"inet", "inet6", "inet/inet6", "inet6/inet",
- "unix", "inet-sdp" },
- .type = GF_OPTION_TYPE_STR
- },
- { .key = {"transport.socket.lowlat"},
- .type = GF_OPTION_TYPE_BOOL
- },
- { .key = {NULL} }
-};
generated by cgit (git 2.34.1) at 2024-05-11 13:18:49 +0000