diff options
Diffstat (limited to 'drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h')
| -rw-r--r-- | drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h | 293 |
1 files changed, 130 insertions, 163 deletions
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h index f4b6c33ac318..263db37de7c8 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h @@ -79,38 +79,33 @@ #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 */ - int *kib_cksum; /* checksum kib_msg_t? */ - 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_fmr_pool_size; /* # FMRs in pool */ - int *kib_fmr_flush_trigger; /* When to trigger FMR flush */ - int *kib_fmr_cache; /* enable FMR pool cache? */ - int *kib_require_priv_port; /* accept only privileged ports */ - int *kib_use_priv_port; /* use privileged port for active - * connect */ - int *kib_nscheds; /* # threads on each CPT */ + 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 */ + int *kib_cksum; /* checksum kib_msg_t? */ + 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_fmr_pool_size; /* # FMRs in pool */ + int *kib_fmr_flush_trigger; /* When to trigger FMR flush */ + int *kib_fmr_cache; /* enable FMR pool cache? */ + int *kib_require_priv_port; /* accept only privileged ports */ + int *kib_use_priv_port; /* use privileged port for active connect */ + int *kib_nscheds; /* # threads on each CPT */ } kib_tunables_t; extern kib_tunables_t kiblnd_tunables; @@ -128,7 +123,9 @@ extern kib_tunables_t kiblnd_tunables; IBLND_CREDIT_HIGHWATER_V1 : \ *kiblnd_tunables.kib_peercredits_hiw) /* when eagerly to return credits */ -#define kiblnd_rdma_create_id(cb, dev, ps, qpt) rdma_create_id(cb, dev, ps, qpt) +#define kiblnd_rdma_create_id(cb, dev, ps, qpt) rdma_create_id(&init_net, \ + cb, dev, \ + ps, qpt) static inline int kiblnd_concurrent_sends_v1(void) @@ -199,8 +196,7 @@ typedef struct { unsigned long 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 */ + unsigned int ibd_can_failover; /* IPoIB interface is a bonding master */ struct list_head ibd_nets; struct kib_hca_dev *ibd_hdev; } kib_dev_t; @@ -249,28 +245,26 @@ typedef struct kib_poolset { char ps_name[IBLND_POOL_NAME_LEN]; /* pool set name */ struct list_head ps_pool_list; /* list of pools */ struct list_head ps_failed_pool_list;/* failed pool list */ - unsigned long ps_next_retry; /* time stamp for retry if - * failed to allocate */ + unsigned long 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_ps_node_init_t ps_node_init; /* initialize new allocated - * node */ + kib_ps_node_init_t ps_node_init; /* initialize new allocated node */ kib_ps_node_fini_t ps_node_fini; /* finalize node */ } kib_poolset_t; typedef struct kib_pool { - struct list_head po_list; /* chain on pool list */ - struct list_head po_free_list; /* pre-allocated node */ - kib_poolset_t *po_owner; /* pool_set of this pool */ - unsigned long 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 */ + struct list_head po_list; /* chain on pool list */ + struct list_head po_free_list; /* pre-allocated node */ + kib_poolset_t *po_owner; /* pool_set of this pool */ + unsigned long 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 { @@ -295,8 +289,8 @@ typedef struct { int fps_pool_size; int fps_flush_trigger; int fps_increasing; /* is allocating new pool */ - unsigned long fps_next_retry; /* time stamp for retry if - * failed to allocate */ + unsigned long fps_next_retry; /* time stamp for retry if*/ + /* failed to allocate */ } kib_fmr_poolset_t; typedef struct { @@ -344,31 +338,22 @@ struct kib_sched_info { }; typedef struct { - int kib_init; /* initialisation state */ - int kib_shutdown; /* shut down? */ - struct list_head kib_devs; /* IB devices extant */ - struct list_head kib_failed_devs; /* list head of failed - * devices */ - wait_queue_head_t kib_failover_waitq; /* schedulers sleep here */ - atomic_t kib_nthreads; /* # live threads */ - rwlock_t kib_global_lock; /* stabilize net/dev/peer/conn - * ops */ - struct list_head *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) - */ - struct list_head kib_connd_conns; /* connections to - * setup/teardown */ - struct list_head kib_connd_zombies; /* connections with zero - * refcount */ - wait_queue_head_t kib_connd_waitq; /* connection daemon sleeps - * here */ - spinlock_t kib_connd_lock; /* serialise */ - struct ib_qp_attr kib_error_qpa; /* QP->ERROR */ - struct kib_sched_info **kib_scheds; /* percpt data for schedulers - */ + int kib_init; /* initialisation state */ + int kib_shutdown; /* shut down? */ + struct list_head kib_devs; /* IB devices extant */ + struct list_head kib_failed_devs; /* list head of failed devices */ + wait_queue_head_t kib_failover_waitq; /* schedulers sleep here */ + atomic_t kib_nthreads; /* # live threads */ + rwlock_t kib_global_lock; /* stabilize net/dev/peer/conn ops */ + struct list_head *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) */ + struct list_head kib_connd_conns; /* connections to setup/teardown */ + struct list_head kib_connd_zombies; /* connections with zero refcount */ + wait_queue_head_t kib_connd_waitq; /* connection daemon sleeps here */ + spinlock_t kib_connd_lock; /* serialise */ + struct ib_qp_attr kib_error_qpa; /* QP->ERROR */ + struct kib_sched_info **kib_scheds; /* percpt data for schedulers */ } kib_data_t; #define IBLND_INIT_NOTHING 0 @@ -480,10 +465,10 @@ typedef struct { #define IBLND_REJECT_FATAL 3 /* Anything else */ #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 */ +#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 */ /***********************************************************************/ @@ -491,8 +476,7 @@ typedef struct kib_rx /* receive message */ { struct list_head rx_list; /* queue for attention */ struct kib_conn *rx_conn; /* owning conn */ - int rx_nob; /* # bytes received (-1 while - * posted) */ + int rx_nob; /* # bytes received (-1 while posted) */ enum ib_wc_status rx_status; /* completion status */ kib_msg_t *rx_msg; /* message buffer (host vaddr) */ __u64 rx_msgaddr; /* message buffer (I/O addr) */ @@ -501,38 +485,35 @@ typedef struct kib_rx /* receive message */ struct ib_sge rx_sge; /* ...and its memory */ } kib_rx_t; -#define IBLND_POSTRX_DONT_POST 0 /* don't post */ -#define IBLND_POSTRX_NO_CREDIT 1 /* post: no credits */ -#define IBLND_POSTRX_PEER_CREDIT 2 /* post: give peer back 1 credit */ -#define IBLND_POSTRX_RSRVD_CREDIT 3 /* post: give myself back 1 reserved - * credit */ +#define IBLND_POSTRX_DONT_POST 0 /* don't post */ +#define IBLND_POSTRX_NO_CREDIT 1 /* post: no credits */ +#define IBLND_POSTRX_PEER_CREDIT 2 /* post: give peer back 1 credit */ +#define IBLND_POSTRX_RSRVD_CREDIT 3 /* post: give self back 1 reserved credit */ typedef struct kib_tx /* transmit message */ { - struct list_head tx_list; /* queue on idle_txs ibc_tx_queue - * etc. */ - kib_tx_pool_t *tx_pool; /* pool I'm from */ - struct kib_conn *tx_conn; /* owning conn */ - short tx_sending; /* # tx callbacks outstanding */ - short tx_queued; /* queued for sending */ - short tx_waiting; /* waiting for peer */ - int tx_status; /* LNET completion status */ - unsigned long tx_deadline; /* completion deadline */ - __u64 tx_cookie; /* completion cookie */ - lnet_msg_t *tx_lntmsg[2]; /* lnet msgs to finalize on - * completion */ - kib_msg_t *tx_msg; /* message buffer (host vaddr) */ - __u64 tx_msgaddr; /* message buffer (I/O addr) */ + struct list_head tx_list; /* queue on idle_txs ibc_tx_queue etc. */ + kib_tx_pool_t *tx_pool; /* pool I'm from */ + struct kib_conn *tx_conn; /* owning conn */ + short tx_sending; /* # tx callbacks outstanding */ + short tx_queued; /* queued for sending */ + short tx_waiting; /* waiting for peer */ + int tx_status; /* LNET completion status */ + unsigned long tx_deadline; /* completion deadline */ + __u64 tx_cookie; /* completion cookie */ + lnet_msg_t *tx_lntmsg[2]; /* lnet msgs to finalize on completion */ + kib_msg_t *tx_msg; /* message buffer (host vaddr) */ + __u64 tx_msgaddr; /* message buffer (I/O addr) */ DECLARE_PCI_UNMAP_ADDR(tx_msgunmap); /* for dma_unmap_single() */ - int tx_nwrq; /* # send work items */ - struct ib_send_wr *tx_wrq; /* send work items... */ - struct ib_sge *tx_sge; /* ...and their memory */ - kib_rdma_desc_t *tx_rd; /* rdma descriptor */ - int tx_nfrags; /* # entries in... */ - struct scatterlist *tx_frags; /* dma_map_sg descriptor */ - __u64 *tx_pages; /* rdma phys page addrs */ - kib_fmr_t fmr; /* FMR */ - int tx_dmadir; /* dma direction */ + int tx_nwrq; /* # send work items */ + struct ib_rdma_wr *tx_wrq; /* send work items... */ + struct ib_sge *tx_sge; /* ...and their memory */ + kib_rdma_desc_t *tx_rd; /* rdma descriptor */ + int tx_nfrags; /* # entries in... */ + struct scatterlist *tx_frags; /* dma_map_sg descriptor */ + __u64 *tx_pages; /* rdma phys page addrs */ + kib_fmr_t fmr; /* FMR */ + int tx_dmadir; /* dma direction */ } kib_tx_t; typedef struct kib_connvars { @@ -540,53 +521,44 @@ typedef struct kib_connvars { } kib_connvars_t; 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 */ - struct list_head ibc_list; /* stash on peer's conn - * list */ - struct list_head ibc_sched_list; /* schedule for attention */ - __u16 ibc_version; /* version of connection */ - __u64 ibc_incarnation; /* which instance of the - * peer */ - atomic_t ibc_refcount; /* # users */ - int ibc_state; /* what's happening */ - int ibc_nsends_posted; /* # uncompleted sends */ - int ibc_noops_posted; /* # uncompleted NOOPs */ - int ibc_credits; /* # credits I have */ + struct kib_sched_info *ibc_sched; /* scheduler information */ + struct kib_peer *ibc_peer; /* owning peer */ + kib_hca_dev_t *ibc_hdev; /* HCA bound on */ + struct list_head ibc_list; /* stash on peer's conn list */ + struct list_head ibc_sched_list; /* schedule for attention */ + __u16 ibc_version; /* version of connection */ + __u64 ibc_incarnation; /* which instance of the peer */ + atomic_t ibc_refcount; /* # users */ + int ibc_state; /* what's happening */ + int ibc_nsends_posted; /* # uncompleted sends */ + int ibc_noops_posted; /* # uncompleted NOOPs */ + int ibc_credits; /* # credits I have */ int ibc_outstanding_credits; /* # credits to return */ int ibc_reserved_credits; /* # ACK/DONE msg credits */ - int ibc_comms_error; /* set on comms error */ - unsigned int ibc_nrx:16; /* receive buffers owned */ - unsigned int ibc_scheduled:1; /* scheduled for attention - */ - unsigned int ibc_ready:1; /* CQ callback fired */ - unsigned long ibc_last_send; /* time of last send */ - struct list_head ibc_connd_list; /* link chain for - * kiblnd_check_conns only - */ - struct list_head ibc_early_rxs; /* rxs completed before - * ESTABLISHED */ - struct list_head ibc_tx_noops; /* IBLND_MSG_NOOPs for - * IBLND_MSG_VERSION_1 */ - struct list_head ibc_tx_queue; /* sends that need a credit - */ - struct list_head ibc_tx_queue_nocred; /* sends that don't need a - * credit */ - struct list_head ibc_tx_queue_rsrvd; /* sends that need to - * reserve an ACK/DONE msg - */ - struct list_head ibc_active_txs; /* active tx awaiting - * completion */ - spinlock_t ibc_lock; /* serialise */ - kib_rx_t *ibc_rxs; /* the rx descs */ - kib_pages_t *ibc_rx_pages; /* premapped rx msg pages */ - - struct rdma_cm_id *ibc_cmid; /* CM id */ - struct ib_cq *ibc_cq; /* completion queue */ - - kib_connvars_t *ibc_connvars; /* in-progress connection - * state */ + int ibc_comms_error; /* set on comms error */ + unsigned int ibc_nrx:16; /* receive buffers owned */ + unsigned int ibc_scheduled:1; /* scheduled for attention */ + unsigned int ibc_ready:1; /* CQ callback fired */ + unsigned long ibc_last_send; /* time of last send */ + struct list_head ibc_connd_list; /* link chain for */ + /* kiblnd_check_conns only */ + struct list_head ibc_early_rxs; /* rxs completed before ESTABLISHED */ + struct list_head ibc_tx_noops; /* IBLND_MSG_NOOPs for */ + /* IBLND_MSG_VERSION_1 */ + struct list_head ibc_tx_queue; /* sends that need a credit */ + struct list_head ibc_tx_queue_nocred; /* sends that don't need a */ + /* credit */ + struct list_head ibc_tx_queue_rsrvd; /* sends that need to */ + /* reserve an ACK/DONE msg */ + struct list_head ibc_active_txs; /* active tx awaiting completion */ + spinlock_t ibc_lock; /* serialise */ + kib_rx_t *ibc_rxs; /* the rx descs */ + kib_pages_t *ibc_rx_pages; /* premapped rx msg pages */ + + struct rdma_cm_id *ibc_cmid; /* CM id */ + struct ib_cq *ibc_cq; /* completion queue */ + + kib_connvars_t *ibc_connvars; /* in-progress connection state */ } kib_conn_t; #define IBLND_CONN_INIT 0 /* being initialised */ @@ -780,8 +752,8 @@ kiblnd_queue2str(kib_conn_t *conn, struct list_head *q) return NULL; } -/* 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. */ +/* 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 @@ -878,7 +850,6 @@ kiblnd_rd_msg_size(kib_rdma_desc_t *rd, int msgtype, int n) offsetof(kib_putack_msg_t, ibpam_rd.rd_frags[n]); } - static inline __u64 kiblnd_dma_mapping_error(struct ib_device *dev, u64 dma_addr) { @@ -928,23 +899,19 @@ static inline unsigned int kiblnd_sg_dma_len(struct ib_device *dev, return ib_sg_dma_len(dev, sg); } -/* XXX We use KIBLND_CONN_PARAM(e) as writable buffer, it's not strictly - * right because OFED1.2 defines it as const, to use it we have to add - * (void *) cast to overcome "const" */ +/* XXX We use KIBLND_CONN_PARAM(e) as writable buffer, it's not strictly */ +/* right because OFED1.2 defines it as const, to use it we have to add */ +/* (void *) cast to overcome "const" */ #define KIBLND_CONN_PARAM(e) ((e)->param.conn.private_data) #define KIBLND_CONN_PARAM_LEN(e) ((e)->param.conn.private_data_len) - 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); 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); |