p9_trans_rdma Struct Reference

Public Types
enum	{   P9_RDMA_INIT, P9_RDMA_ADDR_RESOLVED, P9_RDMA_ROUTE_RESOLVED, P9_RDMA_CONNECTED,   P9_RDMA_FLUSHING, P9_RDMA_CLOSING, P9_RDMA_CLOSED }

Data Fields
enum p9_trans_rdma:: { ... }	state
struct rdma_cm_id *	cm_id
struct ib_pd *	pd
struct ib_qp *	qp
struct ib_cq *	cq
struct ib_mr *	dma_mr
u32	lkey
long	timeout
int	sq_depth
struct semaphore	sq_sem
int	rq_depth
atomic_t	rq_count
struct sockaddr_in	addr
spinlock_t	req_lock
struct completion	cm_done

Detailed Description

struct p9_trans_rdma - RDMA transport instance

: tracks the transport state machine for connection setup and tear down : The RDMA CM ID : Protection Domain pointer : Queue Pair pointer : Completion Queue pointer : DMA Memory Region pointer : The local access only memory region key : Number of uSecs to wait for connection management events : The depth of the Send Queue : Semaphore for the SQ : The depth of the Receive Queue. : Count of requests in the Receive Queue. : The remote peer's address : Protects the active request list : Completion event for connection management tracking

Definition at line 81 of file trans_rdma.c.

Member Enumeration Documentation

anonymous enum

Enumerator:

P9_RDMA_INIT
P9_RDMA_ADDR_RESOLVED
P9_RDMA_ROUTE_RESOLVED
P9_RDMA_CONNECTED
P9_RDMA_FLUSHING
P9_RDMA_CLOSING
P9_RDMA_CLOSED

Definition at line 82 of file trans_rdma.c.

Field Documentation

struct sockaddr_in addr

Definition at line 102 of file trans_rdma.c.

struct completion cm_done

Definition at line 105 of file trans_rdma.c.

struct rdma_cm_id* cm_id

Definition at line 91 of file trans_rdma.c.

struct ib_cq* cq

Definition at line 94 of file trans_rdma.c.

struct ib_mr* dma_mr

Definition at line 95 of file trans_rdma.c.

u32 lkey

Definition at line 96 of file trans_rdma.c.

struct ib_pd* pd

Definition at line 92 of file trans_rdma.c.

struct ib_qp* qp

Definition at line 93 of file trans_rdma.c.

spinlock_t req_lock

Definition at line 103 of file trans_rdma.c.

atomic_t rq_count

Definition at line 101 of file trans_rdma.c.

int rq_depth

Definition at line 100 of file trans_rdma.c.

int sq_depth

Definition at line 98 of file trans_rdma.c.

struct semaphore sq_sem

Definition at line 99 of file trans_rdma.c.

enum { ... } state

long timeout

Definition at line 97 of file trans_rdma.c.

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The documentation for this struct was generated from the following file:

• net/9p/trans_rdma.c