* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Eric Barton <eric@bartonsoftware.com>
*/
+#ifdef HAVE_COMPAT_RDMA
+#include <linux/compat-2.6.h>
+#endif
+
#include <linux/version.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci-dma.h>
#endif
-#ifdef HAVE_COMPAT_RDMA
-#include <linux/compat-2.6.h>
-#endif
-
#include <net/sock.h>
#include <linux/in.h>
int *kib_timeout; /* comms timeout (seconds) */
int *kib_keepalive; /* keepalive timeout (seconds) */
int *kib_ntx; /* # tx descs */
- int *kib_credits; /* # concurrent sends */
- int *kib_peertxcredits; /* # concurrent sends to 1 peer */
- int *kib_peerrtrcredits; /* # per-peer router buffer credits */
- int *kib_peercredits_hiw; /* # when eagerly to return credits */
- int *kib_peertimeout; /* seconds to consider peer dead */
char **kib_default_ipif; /* default IPoIB interface */
int *kib_retry_count;
int *kib_rnr_retry_count;
- int *kib_concurrent_sends; /* send work queue sizing */
int *kib_ib_mtu; /* IB MTU */
- int *kib_map_on_demand; /* map-on-demand if RD has more fragments
- * than this value, 0 disable map-on-demand */
- int *kib_pmr_pool_size; /* # physical MR in pool */
- int *kib_fmr_pool_size; /* # FMRs in pool */
- int *kib_fmr_flush_trigger; /* When to trigger FMR flush */
- int *kib_fmr_cache; /* enable FMR pool cache? */
#if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
struct ctl_table_header *kib_sysctl; /* sysctl interface */
#endif
#define IBLND_CREDITS_DEFAULT 8 /* default # of peer credits */
#define IBLND_CREDITS_MAX ((typeof(((kib_msg_t*) 0)->ibm_credits)) - 1) /* Max # of peer credits */
-#define IBLND_MSG_QUEUE_SIZE(v) ((v) == IBLND_MSG_VERSION_1 ? \
- IBLND_MSG_QUEUE_SIZE_V1 : \
- *kiblnd_tunables.kib_peertxcredits) /* # messages/RDMAs in-flight */
-#define IBLND_CREDITS_HIGHWATER(v) ((v) == IBLND_MSG_VERSION_1 ? \
- IBLND_CREDIT_HIGHWATER_V1 : \
- *kiblnd_tunables.kib_peercredits_hiw) /* when eagerly to return credits */
+/* when eagerly to return credits */
+#define IBLND_CREDITS_HIGHWATER(t, v) ((v) == IBLND_MSG_VERSION_1 ? \
+ IBLND_CREDIT_HIGHWATER_V1 : \
+ t->lnd_peercredits_hiw)
-#ifdef HAVE_RDMA_CREATE_ID_4ARG
-#define kiblnd_rdma_create_id(cb, dev, ps, qpt) rdma_create_id(cb, dev, ps, qpt)
+#ifdef HAVE_RDMA_CREATE_ID_5ARG
+# define kiblnd_rdma_create_id(cb, dev, ps, qpt) rdma_create_id(current->nsproxy->net_ns, \
+ cb, dev, \
+ ps, qpt)
#else
-#define kiblnd_rdma_create_id(cb, dev, ps, qpt) rdma_create_id(cb, dev, ps)
+# ifdef HAVE_RDMA_CREATE_ID_4ARG
+# define kiblnd_rdma_create_id(cb, dev, ps, qpt) rdma_create_id(cb, dev, \
+ ps, qpt)
+# else
+# define kiblnd_rdma_create_id(cb, dev, ps, qpt) rdma_create_id(cb, dev, ps)
+# endif
#endif
-static inline int
-kiblnd_concurrent_sends_v1(void)
-{
- if (*kiblnd_tunables.kib_concurrent_sends > IBLND_MSG_QUEUE_SIZE_V1 * 2)
- return IBLND_MSG_QUEUE_SIZE_V1 * 2;
-
- if (*kiblnd_tunables.kib_concurrent_sends < IBLND_MSG_QUEUE_SIZE_V1 / 2)
- return IBLND_MSG_QUEUE_SIZE_V1 / 2;
-
- return *kiblnd_tunables.kib_concurrent_sends;
-}
-
-#define IBLND_CONCURRENT_SENDS(v) ((v) == IBLND_MSG_VERSION_1 ? \
- kiblnd_concurrent_sends_v1() : \
- *kiblnd_tunables.kib_concurrent_sends)
/* 2 OOB shall suffice for 1 keepalive and 1 returning credits */
#define IBLND_OOB_CAPABLE(v) ((v) != IBLND_MSG_VERSION_1)
#define IBLND_OOB_MSGS(v) (IBLND_OOB_CAPABLE(v) ? 2 : 0)
#define IBLND_MSG_SIZE (4<<10) /* max size of queued messages (inc hdr) */
#define IBLND_MAX_RDMA_FRAGS LNET_MAX_IOV /* max # of fragments supported */
-#define IBLND_CFG_RDMA_FRAGS (*kiblnd_tunables.kib_map_on_demand != 0 ? \
- *kiblnd_tunables.kib_map_on_demand : \
- IBLND_MAX_RDMA_FRAGS) /* max # of fragments configured by user */
-#define IBLND_RDMA_FRAGS(v) ((v) == IBLND_MSG_VERSION_1 ? \
- IBLND_MAX_RDMA_FRAGS : IBLND_CFG_RDMA_FRAGS)
/************************/
/* derived constants... */
/* Pools (shared by connections on each CPT) */
/* These pools can grow at runtime, so don't need give a very large value */
#define IBLND_TX_POOL 256
-#define IBLND_PMR_POOL 256
#define IBLND_FMR_POOL 256
#define IBLND_FMR_POOL_FLUSH 192
-/* TX messages (shared by all connections) */
-#define IBLND_TX_MSGS() (*kiblnd_tunables.kib_ntx)
-
/* RX messages (per connection) */
-#define IBLND_RX_MSGS(v) (IBLND_MSG_QUEUE_SIZE(v) * 2 + IBLND_OOB_MSGS(v))
-#define IBLND_RX_MSG_BYTES(v) (IBLND_RX_MSGS(v) * IBLND_MSG_SIZE)
-#define IBLND_RX_MSG_PAGES(v) ((IBLND_RX_MSG_BYTES(v) + PAGE_SIZE - 1) / PAGE_SIZE)
+#define IBLND_RX_MSGS(c) \
+ ((c->ibc_queue_depth) * 2 + IBLND_OOB_MSGS(c->ibc_version))
+#define IBLND_RX_MSG_BYTES(c) (IBLND_RX_MSGS(c) * IBLND_MSG_SIZE)
+#define IBLND_RX_MSG_PAGES(c) \
+ ((IBLND_RX_MSG_BYTES(c) + PAGE_SIZE - 1) / PAGE_SIZE)
/* WRs and CQEs (per connection) */
-#define IBLND_RECV_WRS(v) IBLND_RX_MSGS(v)
-#define IBLND_SEND_WRS(v) ((IBLND_RDMA_FRAGS(v) + 1) * IBLND_CONCURRENT_SENDS(v))
-#define IBLND_CQ_ENTRIES(v) (IBLND_RECV_WRS(v) + IBLND_SEND_WRS(v))
+#define IBLND_RECV_WRS(c) IBLND_RX_MSGS(c)
+#define IBLND_SEND_WRS(c) \
+ ((c->ibc_max_frags + 1) * kiblnd_concurrent_sends(c->ibc_version, \
+ c->ibc_peer->ibp_ni))
+#define IBLND_CQ_ENTRIES(c) (IBLND_RECV_WRS(c) + IBLND_SEND_WRS(c))
struct kib_hca_dev;
__u64 ibh_page_mask; /* page mask of current HCA */
int ibh_mr_shift; /* bits shift of max MR size */
__u64 ibh_mr_size; /* size of MR */
- int ibh_nmrs; /* # of global MRs */
- struct ib_mr **ibh_mrs; /* global MR */
+ struct ib_mr *ibh_mrs; /* global MR */
struct ib_pd *ibh_pd; /* PD */
kib_dev_t *ibh_dev; /* owner */
atomic_t ibh_ref; /* refcount */
struct page *ibp_pages[0]; /* page array */
} kib_pages_t;
-struct kib_pmr_pool;
-
-typedef struct {
- struct list_head pmr_list; /* chain node */
- struct ib_phys_buf *pmr_ipb; /* physical buffer */
- struct ib_mr *pmr_mr; /* IB MR */
- struct kib_pmr_pool *pmr_pool; /* owner of this MR */
- __u64 pmr_iova; /* Virtual I/O address */
- int pmr_refcount; /* reference count */
-} kib_phys_mr_t;
-
struct kib_pool;
struct kib_poolset;
kib_pages_t *tpo_tx_pages; /* premapped tx msg pages */
} kib_tx_pool_t;
-typedef struct {
- kib_poolset_t pps_poolset; /* pool-set */
-} kib_pmr_poolset_t;
-
-typedef struct kib_pmr_pool {
- struct kib_hca_dev *ppo_hdev; /* device for this pool */
- kib_pool_t ppo_pool; /* pool */
-} kib_pmr_pool_t;
-
typedef struct
{
spinlock_t fps_lock; /* serialize */
int fps_cpt; /* CPT id */
int fps_pool_size;
int fps_flush_trigger;
+ int fps_cache;
/* is allocating new pool */
int fps_increasing;
/* time stamp for retry if failed to allocate */
cfs_time_t fps_next_retry;
} kib_fmr_poolset_t;
+struct kib_fast_reg_descriptor { /* For fast registration */
+ struct list_head frd_list;
+ struct ib_send_wr frd_inv_wr;
+ struct ib_send_wr frd_fastreg_wr;
+ struct ib_mr *frd_mr;
+ struct ib_fast_reg_page_list *frd_frpl;
+ bool frd_valid;
+};
+
typedef struct
{
struct list_head fpo_list; /* chain on pool list */
struct kib_hca_dev *fpo_hdev; /* device for this pool */
kib_fmr_poolset_t *fpo_owner; /* owner of this pool */
- struct ib_fmr_pool *fpo_fmr_pool; /* IB FMR pool */
+ union {
+ struct {
+ struct ib_fmr_pool *fpo_fmr_pool; /* IB FMR pool */
+ } fmr;
+ struct { /* For fast registration */
+ struct list_head fpo_pool_list;
+ int fpo_pool_size;
+ } fast_reg;
+ };
cfs_time_t fpo_deadline; /* deadline of this pool */
int fpo_failed; /* fmr pool is failed */
int fpo_map_count; /* # of mapped FMR */
+ int fpo_is_fmr;
} kib_fmr_pool_t;
typedef struct {
- struct ib_pool_fmr *fmr_pfmr; /* IB pool fmr */
- kib_fmr_pool_t *fmr_pool; /* pool of FMR */
+ kib_fmr_pool_t *fmr_pool; /* pool of FMR */
+ struct ib_pool_fmr *fmr_pfmr; /* IB pool fmr */
+ struct kib_fast_reg_descriptor *fmr_frd;
+ u32 fmr_key;
} kib_fmr_t;
typedef struct kib_net
kib_tx_poolset_t **ibn_tx_ps; /* tx pool-set */
kib_fmr_poolset_t **ibn_fmr_ps; /* fmr pool-set */
- kib_pmr_poolset_t **ibn_pmr_ps; /* pmr pool-set */
kib_dev_t *ibn_dev; /* underlying IB device */
} kib_net_t;
struct list_head kib_connd_conns;
/* connections with zero refcount */
struct list_head kib_connd_zombies;
+ /* connections to reconnect */
+ struct list_head kib_reconn_list;
+ /* peers wait for reconnection */
+ struct list_head kib_reconn_wait;
+ /*
+ * The second that peers are pulled out from \a kib_reconn_wait
+ * for reconnection.
+ */
+ unsigned int kib_reconn_sec;
/* connection daemon sleeps here */
wait_queue_head_t kib_connd_waitq;
spinlock_t kib_connd_lock; /* serialise */
#define IBLND_REJECT_CONN_UNCOMPAT 4 /* incompatible version peer */
#define IBLND_REJECT_CONN_STALE 5 /* stale peer */
-#define IBLND_REJECT_RDMA_FRAGS 6 /* Fatal: peer's rdma frags can't match mine */
-#define IBLND_REJECT_MSG_QUEUE_SIZE 7 /* Fatal: peer's msg queue size can't match mine */
+/* peer's rdma frags doesn't match mine */
+#define IBLND_REJECT_RDMA_FRAGS 6
+/* peer's msg queue size doesn't match mine */
+#define IBLND_REJECT_MSG_QUEUE_SIZE 7
/***********************************************************************/
struct scatterlist *tx_frags;
/* rdma phys page addrs */
__u64 *tx_pages;
- union {
- /* MR for physical buffer */
- kib_phys_mr_t *pmr;
- /* FMR */
- kib_fmr_t fmr;
- } tx_u;
+ /* FMR */
+ kib_fmr_t fmr;
/* dma direction */
int tx_dmadir;
} kib_tx_t;
struct list_head ibc_sched_list;
/* version of connection */
__u16 ibc_version;
+ /* reconnect later */
+ __u16 ibc_reconnect:1;
/* which instance of the peer */
__u64 ibc_incarnation;
/* # users */
int ibc_reserved_credits;
/* set on comms error */
int ibc_comms_error;
+ /* connections queue depth */
+ __u16 ibc_queue_depth;
+ /* connections max frags */
+ __u16 ibc_max_frags;
/* receive buffers owned */
unsigned int ibc_nrx:16;
/* scheduled for attention */
lnet_nid_t ibp_nid;
/* LNet interface */
lnet_ni_t *ibp_ni;
- /* # users */
- atomic_t ibp_refcount;
/* all active connections */
struct list_head ibp_conns;
/* msgs waiting for a conn */
struct list_head ibp_tx_queue;
- /* version of peer */
- __u16 ibp_version;
/* incarnation of peer */
__u64 ibp_incarnation;
- /* current active connection attempts */
- int ibp_connecting;
+ /* when (in jiffies) I was last alive */
+ cfs_time_t ibp_last_alive;
+ /* # users */
+ atomic_t ibp_refcount;
+ /* version of peer */
+ __u16 ibp_version;
/* current passive connection attempts */
- int ibp_accepting;
+ unsigned short ibp_accepting;
+ /* current active connection attempts */
+ unsigned short ibp_connecting;
+ /* reconnect this peer later */
+ unsigned short ibp_reconnecting:1;
+ /* # consecutive reconnection attempts to this peer */
+ unsigned int ibp_reconnected;
/* errno on closing this peer */
int ibp_error;
- /* when (in jiffies) I was last alive */
- cfs_time_t ibp_last_alive;
+ /* max map_on_demand */
+ __u16 ibp_max_frags;
+ /* max_peer_credits */
+ __u16 ibp_queue_depth;
} kib_peer_t;
+#ifndef HAVE_IB_INC_RKEY
+/**
+ * ib_inc_rkey - increments the key portion of the given rkey. Can be used
+ * for calculating a new rkey for type 2 memory windows.
+ * @rkey - the rkey to increment.
+ */
+static inline u32 ib_inc_rkey(u32 rkey)
+{
+ const u32 mask = 0x000000ff;
+ return ((rkey + 1) & mask) | (rkey & ~mask);
+}
+#endif
+
extern kib_data_t kiblnd_data;
extern void kiblnd_hdev_destroy(kib_hca_dev_t *hdev);
+int kiblnd_msg_queue_size(int version, struct lnet_ni *ni);
+
+/* max # of fragments configured by user */
+static inline int
+kiblnd_cfg_rdma_frags(struct lnet_ni *ni)
+{
+ struct lnet_ioctl_config_o2iblnd_tunables *tunables;
+ int mod;
+
+ tunables = &ni->ni_lnd_tunables->lt_tun_u.lt_o2ib;
+ mod = tunables->lnd_map_on_demand;
+ return mod != 0 ? mod : IBLND_MAX_RDMA_FRAGS;
+}
+
+static inline int
+kiblnd_rdma_frags(int version, struct lnet_ni *ni)
+{
+ return version == IBLND_MSG_VERSION_1 ?
+ IBLND_MAX_RDMA_FRAGS :
+ kiblnd_cfg_rdma_frags(ni);
+}
+
+static inline int
+kiblnd_concurrent_sends(int version, struct lnet_ni *ni)
+{
+ struct lnet_ioctl_config_o2iblnd_tunables *tunables;
+ int concurrent_sends;
+
+ tunables = &ni->ni_lnd_tunables->lt_tun_u.lt_o2ib;
+ concurrent_sends = tunables->lnd_concurrent_sends;
+
+ if (version == IBLND_MSG_VERSION_1) {
+ if (concurrent_sends > IBLND_MSG_QUEUE_SIZE_V1 * 2)
+ return IBLND_MSG_QUEUE_SIZE_V1 * 2;
+
+ if (concurrent_sends < IBLND_MSG_QUEUE_SIZE_V1 / 2)
+ return IBLND_MSG_QUEUE_SIZE_V1 / 2;
+ }
+
+ return concurrent_sends;
+}
+
static inline void
kiblnd_hdev_addref_locked(kib_hca_dev_t *hdev)
{
kiblnd_destroy_peer(peer); \
} while (0)
+static inline bool
+kiblnd_peer_connecting(kib_peer_t *peer)
+{
+ return peer->ibp_connecting != 0 ||
+ peer->ibp_reconnecting != 0 ||
+ peer->ibp_accepting != 0;
+}
+
+static inline bool
+kiblnd_peer_idle(kib_peer_t *peer)
+{
+ return !kiblnd_peer_connecting(peer) && list_empty(&peer->ibp_conns);
+}
+
static inline struct list_head *
kiblnd_nid2peerlist (lnet_nid_t nid)
{
static inline int
kiblnd_need_noop(kib_conn_t *conn)
{
- LASSERT (conn->ibc_state >= IBLND_CONN_ESTABLISHED);
+ lnet_ni_t *ni = conn->ibc_peer->ibp_ni;
+ struct lnet_ioctl_config_o2iblnd_tunables *tunables;
+
+ LASSERT(conn->ibc_state >= IBLND_CONN_ESTABLISHED);
+ tunables = &ni->ni_lnd_tunables->lt_tun_u.lt_o2ib;
if (conn->ibc_outstanding_credits <
- IBLND_CREDITS_HIGHWATER(conn->ibc_version) &&
+ IBLND_CREDITS_HIGHWATER(tunables, conn->ibc_version) &&
!kiblnd_send_keepalive(conn))
return 0; /* No need to send NOOP */
/* CAVEAT EMPTOR: We rely on descriptor alignment to allow us to use the
* lowest bits of the work request id to stash the work item type. */
-#define IBLND_WID_TX 0
-#define IBLND_WID_RDMA 1
-#define IBLND_WID_RX 2
-#define IBLND_WID_MASK 3UL
+#define IBLND_WID_INVAL 0
+#define IBLND_WID_TX 1
+#define IBLND_WID_RX 2
+#define IBLND_WID_RDMA 3
+#define IBLND_WID_MR 4
+#define IBLND_WID_MASK 7UL
static inline __u64
kiblnd_ptr2wreqid (void *ptr, int type)
offsetof(kib_putack_msg_t, ibpam_rd.rd_frags[n]);
}
-#ifdef HAVE_OFED_IB_DMA_MAP
-
static inline __u64
kiblnd_dma_mapping_error(struct ib_device *dev, u64 dma_addr)
{
#define KIBLND_CONN_PARAM(e) ((e)->param.conn.private_data)
#define KIBLND_CONN_PARAM_LEN(e) ((e)->param.conn.private_data_len)
-#else
-
-static inline __u64
-kiblnd_dma_mapping_error(struct ib_device *dev, dma_addr_t dma_addr)
-{
- return dma_mapping_error(dma_addr);
-}
-
-static inline dma_addr_t kiblnd_dma_map_single(struct ib_device *dev,
- void *msg, size_t size,
- enum dma_data_direction direction)
-{
- return dma_map_single(dev->dma_device, msg, size, direction);
-}
-
-static inline void kiblnd_dma_unmap_single(struct ib_device *dev,
- dma_addr_t addr, size_t size,
- enum dma_data_direction direction)
-{
- dma_unmap_single(dev->dma_device, addr, size, direction);
-}
-
-#define KIBLND_UNMAP_ADDR_SET(p, m, a) pci_unmap_addr_set(p, m, a)
-#define KIBLND_UNMAP_ADDR(p, m, a) pci_unmap_addr(p, m)
-
-static inline int kiblnd_dma_map_sg(struct ib_device *dev,
- struct scatterlist *sg, int nents,
- enum dma_data_direction direction)
-{
- return dma_map_sg(dev->dma_device, sg, nents, direction);
-}
-
-static inline void kiblnd_dma_unmap_sg(struct ib_device *dev,
- struct scatterlist *sg, int nents,
- enum dma_data_direction direction)
-{
- return dma_unmap_sg(dev->dma_device, sg, nents, direction);
-}
-
-
-static inline dma_addr_t kiblnd_sg_dma_address(struct ib_device *dev,
- struct scatterlist *sg)
-{
- return sg_dma_address(sg);
-}
-
-
-static inline unsigned int kiblnd_sg_dma_len(struct ib_device *dev,
- struct scatterlist *sg)
-{
- return sg_dma_len(sg);
-}
-
-#define KIBLND_CONN_PARAM(e) ((e)->private_data)
-#define KIBLND_CONN_PARAM_LEN(e) ((e)->private_data_len)
-
-#endif
-
-struct ib_mr *kiblnd_find_rd_dma_mr(kib_hca_dev_t *hdev,
- kib_rdma_desc_t *rd);
-struct ib_mr *kiblnd_find_dma_mr(kib_hca_dev_t *hdev,
- __u64 addr, __u64 size);
+struct ib_mr *kiblnd_find_rd_dma_mr(struct lnet_ni *ni, kib_rdma_desc_t *rd,
+ int negotiated_nfrags);
void kiblnd_map_rx_descs(kib_conn_t *conn);
void kiblnd_unmap_rx_descs(kib_conn_t *conn);
-int kiblnd_map_tx(lnet_ni_t *ni, kib_tx_t *tx,
- kib_rdma_desc_t *rd, int nfrags);
-void kiblnd_unmap_tx(lnet_ni_t *ni, kib_tx_t *tx);
void kiblnd_pool_free_node(kib_pool_t *pool, struct list_head *node);
struct list_head *kiblnd_pool_alloc_node(kib_poolset_t *ps);
-int kiblnd_fmr_pool_map(kib_fmr_poolset_t *fps, __u64 *pages,
- int npages, __u64 iov, kib_fmr_t *fmr);
+int kiblnd_fmr_pool_map(kib_fmr_poolset_t *fps, __u64 *pages, int npages,
+ __u32 nob, __u64 iov, bool is_rx, kib_fmr_t *fmr);
void kiblnd_fmr_pool_unmap(kib_fmr_t *fmr, int status);
-int kiblnd_pmr_pool_map(kib_pmr_poolset_t *pps, kib_hca_dev_t *hdev,
- kib_rdma_desc_t *rd, __u64 *iova, kib_phys_mr_t **pp_pmr);
-void kiblnd_pmr_pool_unmap(kib_phys_mr_t *pmr);
-
+int kiblnd_tunables_setup(struct lnet_ni *ni);
int kiblnd_tunables_init(void);
void kiblnd_tunables_fini(void);
int kiblnd_translate_mtu(int value);
int kiblnd_dev_failover(kib_dev_t *dev);
-int kiblnd_create_peer (lnet_ni_t *ni, kib_peer_t **peerp, lnet_nid_t nid);
+int kiblnd_create_peer(lnet_ni_t *ni, kib_peer_t **peerp, lnet_nid_t nid);
void kiblnd_destroy_peer (kib_peer_t *peer);
+bool kiblnd_reconnect_peer(kib_peer_t *peer);
void kiblnd_destroy_dev (kib_dev_t *dev);
void kiblnd_unlink_peer_locked (kib_peer_t *peer);
kib_peer_t *kiblnd_find_peer_locked (lnet_nid_t nid);
int version, __u64 incarnation);
int kiblnd_close_peer_conns_locked (kib_peer_t *peer, int why);
-kib_conn_t *kiblnd_create_conn (kib_peer_t *peer, struct rdma_cm_id *cmid,
- int state, int version);
-void kiblnd_destroy_conn (kib_conn_t *conn);
+kib_conn_t *kiblnd_create_conn(kib_peer_t *peer, struct rdma_cm_id *cmid,
+ int state, int version);
+void kiblnd_destroy_conn(kib_conn_t *conn, bool free_conn);
void kiblnd_close_conn (kib_conn_t *conn, int error);
void kiblnd_close_conn_locked (kib_conn_t *conn, int error);
int kiblnd_send(lnet_ni_t *ni, void *private, lnet_msg_t *lntmsg);
int kiblnd_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 niov, struct kvec *iov, lnet_kiov_t *kiov,
unsigned int offset, unsigned int mlen, unsigned int rlen);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff