#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;
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;
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 {
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 {
};
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
#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 */
/***********************************************************************/
{
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) */
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_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 */
+ 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 {
} 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 */
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
offsetof(kib_putack_msg_t, ibpam_rd.rd_frags[n]);
}
-
static inline __u64
kiblnd_dma_mapping_error(struct ib_device *dev, u64 dma_addr)
{
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);
projects / karo-tx-linux.git / blobdiff