diff options
Diffstat (limited to 'drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h')
| -rw-r--r-- | drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h | 134 |
1 files changed, 84 insertions, 50 deletions
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h index bfcbdd167da7..b22984fd9ad3 100644 --- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h +++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.h @@ -87,22 +87,10 @@ typedef struct { 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 */ @@ -116,43 +104,21 @@ extern kib_tunables_t kiblnd_tunables; #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) #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) -{ - 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 ? \ - *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... */ @@ -171,7 +137,8 @@ kiblnd_concurrent_sends_v1(void) /* WRs and CQEs (per connection) */ #define IBLND_RECV_WRS(c) IBLND_RX_MSGS(c) #define IBLND_SEND_WRS(c) \ - ((c->ibc_max_frags + 1) * IBLND_CONCURRENT_SENDS(c->ibc_version)) + ((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; @@ -286,24 +253,44 @@ typedef struct { int fps_cpt; /* CPT id */ int fps_pool_size; int fps_flush_trigger; + int fps_cache; int fps_increasing; /* is allocating new pool */ unsigned long fps_next_retry; /* time stamp for retry if*/ /* failed to allocate */ } 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_reg_wr frd_fastreg_wr; + struct ib_mr *frd_mr; + 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; + }; unsigned long 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 { @@ -615,6 +602,48 @@ extern kib_data_t kiblnd_data; 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 ? 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) { @@ -737,10 +766,14 @@ kiblnd_send_keepalive(kib_conn_t *conn) static inline int kiblnd_need_noop(kib_conn_t *conn) { + struct lnet_ioctl_config_o2iblnd_tunables *tunables; + lnet_ni_t *ni = conn->ibc_peer->ibp_ni; + 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 */ @@ -799,7 +832,8 @@ kiblnd_queue2str(kib_conn_t *conn, struct list_head *q) #define IBLND_WID_TX 1 #define IBLND_WID_RX 2 #define IBLND_WID_RDMA 3 -#define IBLND_WID_MASK 3UL +#define IBLND_WID_MR 4 +#define IBLND_WID_MASK 7UL static inline __u64 kiblnd_ptr2wreqid(void *ptr, int type) @@ -947,20 +981,20 @@ static inline unsigned int kiblnd_sg_dma_len(struct ib_device *dev, #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_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); 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, kib_tx_t *tx, + kib_rdma_desc_t *rd, __u32 nob, __u64 iov, + kib_fmr_t *fmr); void kiblnd_fmr_pool_unmap(kib_fmr_t *fmr, int status); -int kiblnd_tunables_init(void); -void kiblnd_tunables_fini(void); +int kiblnd_tunables_setup(struct lnet_ni *ni); +void kiblnd_tunables_init(void); int kiblnd_connd(void *arg); int kiblnd_scheduler(void *arg); |