-/* -*- 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.
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Author: Eric Barton <eric@bartonsoftware.com>
*/
-#ifndef EXPORT_SYMTAB
-# define EXPORT_SYMTAB
-#endif
-#ifndef AUTOCONF_INCLUDED
-#include <linux/config.h>
-#endif
+#include <linux/version.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/string.h>
#include <linux/stat.h>
#include <linux/errno.h>
-#include <linux/smp_lock.h>
#include <linux/unistd.h>
#include <linux/uio.h>
-#include <asm/system.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <linux/kmod.h>
#include <linux/sysctl.h>
#include <linux/pci.h>
+#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,32)
+#include <linux/pci-dma.h>
+#endif
#include <net/sock.h>
#include <linux/in.h>
#include <lnet/lib-lnet.h>
#include <lnet/lnet-sysctl.h>
-#if !HAVE_GFP_T
-typedef int gfp_t;
+#ifdef HAVE_COMPAT_RDMA
+#include <linux/compat-2.6.h>
#endif
-
#include <rdma/rdma_cm.h>
#include <rdma/ib_cm.h>
#include <rdma/ib_verbs.h>
#include <rdma/ib_fmr_pool.h>
-/* tunables fixed at compile time */
-#ifdef CONFIG_SMP
-# define IBLND_N_SCHED cfs_num_online_cpus() /* # schedulers */
-#else
-# define IBLND_N_SCHED 1 /* # schedulers */
-#endif
+#define IBLND_PEER_HASH_SIZE 101 /* # peer lists */
+/* # scheduler loops before reschedule */
+#define IBLND_RESCHED 100
-#define IBLND_PEER_HASH_SIZE 101 /* # peer lists */
-#define IBLND_RESCHED 100 /* # scheduler loops before reschedule */
+#define IBLND_N_SCHED 2
+#define IBLND_N_SCHED_HIGH 4
typedef struct
{
+ int *kib_dev_failover; /* HCA failover */
unsigned int *kib_service; /* IB service number */
int *kib_min_reconnect_interval; /* first failed connection retry... */
int *kib_max_reconnect_interval; /* ...exponentially increasing to this */
#if defined(CONFIG_SYSCTL) && !CFS_SYSFS_MODULE_PARM
cfs_sysctl_table_header_t *kib_sysctl; /* sysctl interface */
#endif
+ int *kib_require_priv_port;/* accept only privileged ports */
+ int *kib_use_priv_port; /* use privileged port for active connect */
+ /* # threads on each CPT */
+ int *kib_nscheds;
} kib_tunables_t;
extern kib_tunables_t kiblnd_tunables;
IBLND_CREDIT_HIGHWATER_V1 : \
*kiblnd_tunables.kib_peercredits_hiw) /* when eagerly to return credits */
+#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
+
static inline int
kiblnd_concurrent_sends_v1(void)
{
/************************/
/* 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)
#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))
+struct kib_hca_dev;
+
+/* o2iblnd can run over aliased interface */
+#ifdef IFALIASZ
+#define KIB_IFNAME_SIZE IFALIASZ
+#else
+#define KIB_IFNAME_SIZE 256
+#endif
+
typedef struct
{
cfs_list_t ibd_list; /* chain on kib_devs */
+ cfs_list_t ibd_fail_list; /* chain on kib_failed_devs */
__u32 ibd_ifip; /* IPoIB interface IP */
- char ibd_ifname[32]; /* IPoIB interface name */
+ /** IPoIB interface name */
+ char ibd_ifname[KIB_IFNAME_SIZE];
int ibd_nnets; /* # nets extant */
- struct rdma_cm_id *ibd_cmid; /* IB listener (bound to 1 device) */
- struct ib_pd *ibd_pd; /* PD for the device */
- int ibd_page_shift; /* page shift of current HCA */
- int ibd_page_size; /* page size of current HCA */
- __u64 ibd_page_mask; /* page mask of current HCA */
- int ibd_mr_shift; /* bits shift of max MR size */
- __u64 ibd_mr_size; /* size of MR */
-
- int ibd_nmrs; /* # of global MRs */
- struct ib_mr **ibd_mrs; /* MR for non RDMA I/O */
+ cfs_time_t ibd_next_failover;
+ int ibd_failed_failover; /* # failover failures */
+ unsigned int ibd_failover; /* failover in progress */
+ unsigned int ibd_can_failover; /* IPoIB interface is a bonding master */
+ cfs_list_t ibd_nets;
+ struct kib_hca_dev *ibd_hdev;
} kib_dev_t;
-#define IBLND_POOL_DEADLINE 300 /* # of seconds to keep pool alive */
+typedef struct kib_hca_dev
+{
+ struct rdma_cm_id *ibh_cmid; /* listener cmid */
+ struct ib_device *ibh_ibdev; /* IB device */
+ int ibh_page_shift; /* page shift of current HCA */
+ int ibh_page_size; /* page size of current HCA */
+ __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_pd *ibh_pd; /* PD */
+ kib_dev_t *ibh_dev; /* owner */
+ cfs_atomic_t ibh_ref; /* refcount */
+} kib_hca_dev_t;
+
+/** # of seconds to keep pool alive */
+#define IBLND_POOL_DEADLINE 300
+/** # of seconds to retry if allocation failed */
+#define IBLND_POOL_RETRY 1
typedef struct
{
- struct ib_device *ibp_device; /* device for mapping */
int ibp_npages; /* # pages */
struct page *ibp_pages[0]; /* page array */
} kib_pages_t;
struct kib_pool;
struct kib_poolset;
-typedef int (*kib_ps_pool_create_t)(struct kib_poolset *ps, int inc, struct kib_pool **pp_po);
+typedef int (*kib_ps_pool_create_t)(struct kib_poolset *ps,
+ int inc, struct kib_pool **pp_po);
typedef void (*kib_ps_pool_destroy_t)(struct kib_pool *po);
-typedef void (*kib_ps_node_init_t)(struct kib_pool *po,
- cfs_list_t *node);
-typedef void (*kib_ps_node_fini_t)(struct kib_pool *po,
- cfs_list_t *node);
+typedef void (*kib_ps_node_init_t)(struct kib_pool *po, cfs_list_t *node);
+typedef void (*kib_ps_node_fini_t)(struct kib_pool *po, cfs_list_t *node);
struct kib_net;
typedef struct kib_poolset
{
- cfs_spinlock_t ps_lock; /* serialize */
+ spinlock_t ps_lock; /* serialize */
struct kib_net *ps_net; /* network it belongs to */
char ps_name[IBLND_POOL_NAME_LEN]; /* pool set name */
cfs_list_t ps_pool_list; /* list of pools */
+ cfs_list_t ps_failed_pool_list; /* failed pool list */
cfs_time_t ps_next_retry; /* time stamp for retry if failed to allocate */
int ps_increasing; /* is allocating new pool */
int ps_pool_size; /* new pool size */
+ int ps_cpt; /* CPT id */
kib_ps_pool_create_t ps_pool_create; /* create a new pool */
kib_ps_pool_destroy_t ps_pool_destroy; /* destroy a pool */
kib_poolset_t *po_owner; /* pool_set of this pool */
cfs_time_t po_deadline; /* deadline of this pool */
int po_allocated; /* # of elements in use */
+ int po_failed; /* pool is created on failed HCA */
int po_size; /* # of pre-allocated elements */
} kib_pool_t;
typedef struct {
kib_pool_t tpo_pool; /* pool */
+ struct kib_hca_dev *tpo_hdev; /* device for this pool */
struct kib_tx *tpo_tx_descs; /* all the tx descriptors */
kib_pages_t *tpo_tx_pages; /* premapped tx msg pages */
} kib_tx_pool_t;
} 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
{
- cfs_spinlock_t fps_lock; /* serialize */
+ spinlock_t fps_lock; /* serialize */
struct kib_net *fps_net; /* IB network */
cfs_list_t fps_pool_list; /* FMR pool list */
+ cfs_list_t fps_failed_pool_list; /* FMR pool list */
__u64 fps_version; /* validity stamp */
- int fps_increasing; /* is allocating new pool */
- cfs_time_t fps_next_retry; /* time stamp for retry if failed to allocate */
+ int fps_cpt; /* CPT id */
+ int fps_pool_size;
+ int fps_flush_trigger;
+ /* 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;
typedef struct
{
cfs_list_t 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 */
cfs_time_t fpo_deadline; /* deadline of this pool */
+ int fpo_failed; /* fmr pool is failed */
int fpo_map_count; /* # of mapped FMR */
} kib_fmr_pool_t;
typedef struct kib_net
{
+ cfs_list_t ibn_list; /* chain on kib_dev_t::ibd_nets */
__u64 ibn_incarnation; /* my epoch */
int ibn_init; /* initialisation state */
int ibn_shutdown; /* shutting down? */
- unsigned int ibn_with_fmr:1; /* FMR? */
- unsigned int ibn_with_pmr:1; /* PMR? */
- cfs_atomic_t ibn_npeers; /* # peers extant */
- cfs_atomic_t ibn_nconns; /* # connections extant */
+ cfs_atomic_t ibn_npeers; /* # peers extant */
+ cfs_atomic_t ibn_nconns; /* # connections extant */
- 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_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_dev_t *ibn_dev; /* underlying IB device */
} kib_net_t;
+#define KIB_THREAD_SHIFT 16
+#define KIB_THREAD_ID(cpt, tid) ((cpt) << KIB_THREAD_SHIFT | (tid))
+#define KIB_THREAD_CPT(id) ((id) >> KIB_THREAD_SHIFT)
+#define KIB_THREAD_TID(id) ((id) & ((1UL << KIB_THREAD_SHIFT) - 1))
+
+struct kib_sched_info {
+ /* serialise */
+ spinlock_t ibs_lock;
+ /* schedulers sleep here */
+ cfs_waitq_t ibs_waitq;
+ /* conns to check for rx completions */
+ cfs_list_t ibs_conns;
+ /* number of scheduler threads */
+ int ibs_nthreads;
+ /* max allowed scheduler threads */
+ int ibs_nthreads_max;
+ int ibs_cpt; /* CPT id */
+};
+
typedef struct
{
- int kib_init; /* initialisation state */
- int kib_shutdown; /* shut down? */
- cfs_list_t kib_devs; /* IB devices extant */
- cfs_atomic_t kib_nthreads; /* # live threads */
- cfs_rwlock_t kib_global_lock; /* stabilize net/dev/peer/conn ops */
-
- cfs_list_t *kib_peers; /* hash table of all my known peers */
- int kib_peer_hash_size;/* size of kib_peers */
-
- void *kib_connd; /* the connd task (serialisation assertions) */
- cfs_list_t kib_connd_conns; /* connections to setup/teardown */
- cfs_list_t kib_connd_zombies;/* connections with zero refcount */
- cfs_waitq_t kib_connd_waitq; /* connection daemon sleeps here */
- cfs_spinlock_t kib_connd_lock; /* serialise */
-
- cfs_waitq_t kib_sched_waitq; /* schedulers sleep here */
- cfs_list_t kib_sched_conns; /* conns to check for rx completions */
- cfs_spinlock_t kib_sched_lock; /* serialise */
-
- struct ib_qp_attr kib_error_qpa; /* QP->ERROR */
+ int kib_init; /* initialisation state */
+ int kib_shutdown; /* shut down? */
+ cfs_list_t kib_devs; /* IB devices extant */
+ /* list head of failed devices */
+ cfs_list_t kib_failed_devs;
+ /* schedulers sleep here */
+ cfs_waitq_t kib_failover_waitq;
+ cfs_atomic_t kib_nthreads; /* # live threads */
+ /* stabilize net/dev/peer/conn ops */
+ rwlock_t kib_global_lock;
+ /* hash table of all my known peers */
+ cfs_list_t *kib_peers;
+ /* size of kib_peers */
+ int kib_peer_hash_size;
+ /* the connd task (serialisation assertions) */
+ void *kib_connd;
+ /* connections to setup/teardown */
+ cfs_list_t kib_connd_conns;
+ /* connections with zero refcount */
+ cfs_list_t kib_connd_zombies;
+ /* connection daemon sleeps here */
+ cfs_waitq_t kib_connd_waitq;
+ spinlock_t kib_connd_lock; /* serialise */
+ struct ib_qp_attr kib_error_qpa; /* QP->ERROR */
+ /* percpt data for schedulers */
+ struct kib_sched_info **kib_scheds;
} kib_data_t;
#define IBLND_INIT_NOTHING 0
typedef struct
{
/* First 2 fields fixed FOR ALL TIME */
- __u32 ibm_magic; /* I'm an openibnal message */
+ __u32 ibm_magic; /* I'm an ibnal message */
__u16 ibm_version; /* this is my version number */
__u8 ibm_type; /* msg type */
typedef struct kib_conn
{
+ struct kib_sched_info *ibc_sched; /* scheduler information */
struct kib_peer *ibc_peer; /* owning peer */
+ kib_hca_dev_t *ibc_hdev; /* HCA bound on */
cfs_list_t ibc_list; /* stash on peer's conn list */
cfs_list_t ibc_sched_list; /* schedule for attention */
__u16 ibc_version; /* version of connection */
int ibc_outstanding_credits; /* # credits to return */
int ibc_reserved_credits;/* # ACK/DONE msg credits */
int ibc_comms_error; /* set on comms error */
- int ibc_nrx:16; /* receive buffers owned */
- int ibc_scheduled:1; /* scheduled for attention */
- int ibc_ready:1; /* CQ callback fired */
- unsigned long ibc_last_send; /* time of last send */
- cfs_list_t ibc_early_rxs; /* rxs completed before ESTABLISHED */
+ unsigned int ibc_nrx:16; /* receive buffers owned */
+ unsigned int ibc_scheduled:1; /* scheduled for attention */
+ unsigned int ibc_ready:1; /* CQ callback fired */
+ /* time of last send */
+ unsigned long ibc_last_send;
+ /** link chain for kiblnd_check_conns only */
+ cfs_list_t ibc_connd_list;
+ /** rxs completed before ESTABLISHED */
+ cfs_list_t ibc_early_rxs;
+ /** IBLND_MSG_NOOPs for IBLND_MSG_VERSION_1 */
+ cfs_list_t ibc_tx_noops;
cfs_list_t ibc_tx_queue; /* sends that need a credit */
cfs_list_t ibc_tx_queue_nocred;/* sends that don't need a credit */
cfs_list_t ibc_tx_queue_rsrvd; /* sends that need to reserve an ACK/DONE msg */
cfs_list_t ibc_active_txs; /* active tx awaiting completion */
- cfs_spinlock_t ibc_lock; /* serialise */
+ spinlock_t ibc_lock; /* serialise */
kib_rx_t *ibc_rxs; /* the rx descs */
kib_pages_t *ibc_rx_pages; /* premapped rx msg pages */
kib_connvars_t *ibc_connvars; /* in-progress connection state */
} kib_conn_t;
-#define IBLND_CONN_INIT 0 /* being intialised */
+#define IBLND_CONN_INIT 0 /* being initialised */
#define IBLND_CONN_ACTIVE_CONNECT 1 /* active sending req */
#define IBLND_CONN_PASSIVE_WAIT 2 /* passive waiting for rtu */
#define IBLND_CONN_ESTABLISHED 3 /* connection established */
extern kib_data_t kiblnd_data;
+extern void kiblnd_hdev_destroy(kib_hca_dev_t *hdev);
+
+static inline void
+kiblnd_hdev_addref_locked(kib_hca_dev_t *hdev)
+{
+ LASSERT (cfs_atomic_read(&hdev->ibh_ref) > 0);
+ cfs_atomic_inc(&hdev->ibh_ref);
+}
+
+static inline void
+kiblnd_hdev_decref(kib_hca_dev_t *hdev)
+{
+ LASSERT (cfs_atomic_read(&hdev->ibh_ref) > 0);
+ if (cfs_atomic_dec_and_test(&hdev->ibh_ref))
+ kiblnd_hdev_destroy(hdev);
+}
+
+static inline int
+kiblnd_dev_can_failover(kib_dev_t *dev)
+{
+ if (!cfs_list_empty(&dev->ibd_fail_list)) /* already scheduled */
+ return 0;
+
+ if (*kiblnd_tunables.kib_dev_failover == 0) /* disabled */
+ return 0;
+
+ if (*kiblnd_tunables.kib_dev_failover > 1) /* force failover */
+ return 1;
+
+ return dev->ibd_can_failover;
+}
+
#define kiblnd_conn_addref(conn) \
do { \
CDEBUG(D_NET, "conn[%p] (%d)++\n", \
(conn), cfs_atomic_read(&(conn)->ibc_refcount)); \
- LASSERT(cfs_atomic_read(&(conn)->ibc_refcount) > 0); \
cfs_atomic_inc(&(conn)->ibc_refcount); \
} while (0)
-#define kiblnd_conn_decref(conn) \
-do { \
- unsigned long flags; \
- \
- CDEBUG(D_NET, "conn[%p] (%d)--\n", \
- (conn), cfs_atomic_read(&(conn)->ibc_refcount)); \
- LASSERT(cfs_atomic_read(&(conn)->ibc_refcount) > 0); \
- if (cfs_atomic_dec_and_test(&(conn)->ibc_refcount)) { \
- cfs_spin_lock_irqsave(&kiblnd_data.kib_connd_lock, flags); \
- cfs_list_add_tail(&(conn)->ibc_list, \
- &kiblnd_data.kib_connd_zombies); \
- cfs_waitq_signal(&kiblnd_data.kib_connd_waitq); \
- cfs_spin_unlock_irqrestore(&kiblnd_data.kib_connd_lock, flags);\
- } \
+#define kiblnd_conn_decref(conn) \
+do { \
+ unsigned long flags; \
+ \
+ CDEBUG(D_NET, "conn[%p] (%d)--\n", \
+ (conn), cfs_atomic_read(&(conn)->ibc_refcount)); \
+ LASSERT_ATOMIC_POS(&(conn)->ibc_refcount); \
+ if (cfs_atomic_dec_and_test(&(conn)->ibc_refcount)) { \
+ spin_lock_irqsave(&kiblnd_data.kib_connd_lock, flags); \
+ cfs_list_add_tail(&(conn)->ibc_list, \
+ &kiblnd_data.kib_connd_zombies); \
+ cfs_waitq_signal(&kiblnd_data.kib_connd_waitq); \
+ spin_unlock_irqrestore(&kiblnd_data.kib_connd_lock, flags);\
+ } \
} while (0)
#define kiblnd_peer_addref(peer) \
CDEBUG(D_NET, "peer[%p] -> %s (%d)++\n", \
(peer), libcfs_nid2str((peer)->ibp_nid), \
cfs_atomic_read (&(peer)->ibp_refcount)); \
- LASSERT(cfs_atomic_read(&(peer)->ibp_refcount) > 0); \
cfs_atomic_inc(&(peer)->ibp_refcount); \
} while (0)
CDEBUG(D_NET, "peer[%p] -> %s (%d)--\n", \
(peer), libcfs_nid2str((peer)->ibp_nid), \
cfs_atomic_read (&(peer)->ibp_refcount)); \
- LASSERT(cfs_atomic_read(&(peer)->ibp_refcount) > 0); \
+ LASSERT_ATOMIC_POS(&(peer)->ibp_refcount); \
if (cfs_atomic_dec_and_test(&(peer)->ibp_refcount)) \
kiblnd_destroy_peer(peer); \
} while (0)
}
static inline int
-kiblnd_send_noop(kib_conn_t *conn)
+kiblnd_need_noop(kib_conn_t *conn)
{
LASSERT (conn->ibc_state >= IBLND_CONN_ESTABLISHED);
!kiblnd_send_keepalive(conn))
return 0; /* No need to send NOOP */
- if (!cfs_list_empty(&conn->ibc_tx_queue_nocred))
- return 0; /* NOOP can be piggybacked */
+ if (IBLND_OOB_CAPABLE(conn->ibc_version)) {
+ if (!cfs_list_empty(&conn->ibc_tx_queue_nocred))
+ return 0; /* NOOP can be piggybacked */
+
+ /* No tx to piggyback NOOP onto or no credit to send a tx */
+ return (cfs_list_empty(&conn->ibc_tx_queue) ||
+ conn->ibc_credits == 0);
+ }
+
+ if (!cfs_list_empty(&conn->ibc_tx_noops) || /* NOOP already queued */
+ !cfs_list_empty(&conn->ibc_tx_queue_nocred) || /* piggyback NOOP */
+ conn->ibc_credits == 0) /* no credit */
+ return 0;
- if (!IBLND_OOB_CAPABLE(conn->ibc_version))
- /* can't piggyback? */
- return cfs_list_empty(&conn->ibc_tx_queue);
+ if (conn->ibc_credits == 1 && /* last credit reserved for */
+ conn->ibc_outstanding_credits == 0) /* giving back credits */
+ return 0;
/* No tx to piggyback NOOP onto or no credit to send a tx */
- return (cfs_list_empty(&conn->ibc_tx_queue) || conn->ibc_credits == 0);
+ return (cfs_list_empty(&conn->ibc_tx_queue) || conn->ibc_credits == 1);
}
static inline void
#endif
-struct ib_mr *kiblnd_find_rd_dma_mr(kib_net_t *net,
+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_net_t *net,
+struct ib_mr *kiblnd_find_dma_mr(kib_hca_dev_t *hdev,
__u64 addr, __u64 size);
void kiblnd_map_rx_descs(kib_conn_t *conn);
void kiblnd_unmap_rx_descs(kib_conn_t *conn);
int npages, __u64 iov, 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_rdma_desc_t *rd,
- __u64 *iova, kib_phys_mr_t **pp_pmr);
+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_startup (lnet_ni_t *ni);
int kiblnd_connd (void *arg);
int kiblnd_scheduler(void *arg);
-int kiblnd_thread_start (int (*fn)(void *arg), void *arg);
+int kiblnd_thread_start(int (*fn)(void *arg), void *arg, char *name);
+int kiblnd_failover_thread (void *arg);
-int kiblnd_alloc_pages (kib_pages_t **pp, int npages);
+int kiblnd_alloc_pages(kib_pages_t **pp, int cpt, int npages);
void kiblnd_free_pages (kib_pages_t *p);
int kiblnd_cm_callback(struct rdma_cm_id *cmid,
struct rdma_cm_event *event);
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);
void kiblnd_destroy_peer (kib_peer_t *peer);
void kiblnd_destroy_dev (kib_dev_t *dev);