qib_cq.c File Reference

#include <linux/err.h>
#include <linux/slab.h>
#include <linux/vmalloc.h>
#include "qib_verbs.h"

Go to the source code of this file.

Functions
void	qib_cq_enter (struct qib_cq *cq, struct ib_wc *entry, int solicited)
int	qib_poll_cq (struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
struct ib_cq *	qib_create_cq (struct ib_device *ibdev, int entries, int comp_vector, struct ib_ucontext *context, struct ib_udata *udata)
int	qib_destroy_cq (struct ib_cq *ibcq)
int	qib_req_notify_cq (struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags)
int	qib_resize_cq (struct ib_cq *ibcq, int cqe, struct ib_udata *udata)

Function Documentation

void qib_cq_enter	(	struct qib_cq *	cq,
		struct ib_wc *	entry,
		int	solicited
	)

qib_cq_enter - add a new entry to the completion queue : completion queue : work completion entry to add : true if is a solicitated entry

This may be called with qp->s_lock held.

Definition at line 48 of file qib_cq.c.

struct ib_cq* qib_create_cq ( struct ib_device *  ibdev, int  entries, int  comp_vector, struct ib_ucontext *  context, struct ib_udata *  udata  )

read

qib_create_cq - create a completion queue : the device this completion queue is attached to : the minimum size of the completion queue : unused by the QLogic_IB driver : user data for libibverbs.so

Returns a pointer to the completion queue or negative errno values for failure.

Called by ib_create_cq() in the generic verbs code.

Definition at line 207 of file qib_cq.c.

int qib_destroy_cq

(

struct ib_cq *

ibcq

)

qib_destroy_cq - destroy a completion queue : the completion queue to destroy.

Returns 0 for success.

Called by ib_destroy_cq() in the generic verbs code.

Definition at line 321 of file qib_cq.c.

int qib_poll_cq	(	struct ib_cq *	ibcq,
		int	num_entries,
		struct ib_wc *	entry
	)

qib_poll_cq - poll for work completion entries : the completion queue to poll : the maximum number of entries to return : pointer to array where work completions are placed

Returns the number of completion entries polled.

This may be called from interrupt context. Also called by ib_poll_cq() in the generic verbs code.

Definition at line 128 of file qib_cq.c.

int qib_req_notify_cq	(	struct ib_cq *	ibcq,
		enum ib_cq_notify_flags	notify_flags
	)

qib_req_notify_cq - change the notification type for a completion queue : the completion queue : the type of notification to request

Returns 0 for success.

This may be called from interrupt context. Also called by ib_req_notify_cq() in the generic verbs code.

Definition at line 349 of file qib_cq.c.

int qib_resize_cq	(	struct ib_cq *	ibcq,
		int	cqe,
		struct ib_udata *	udata
	)

qib_resize_cq - change the size of the CQ : the completion queue

Returns 0 for success.

Definition at line 378 of file qib_cq.c.