ipath_cq.c File Reference

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

Go to the source code of this file.

Functions
void	ipath_cq_enter (struct ipath_cq *cq, struct ib_wc *entry, int solicited)
int	ipath_poll_cq (struct ib_cq *ibcq, int num_entries, struct ib_wc *entry)
struct ib_cq *	ipath_create_cq (struct ib_device *ibdev, int entries, int comp_vector, struct ib_ucontext *context, struct ib_udata *udata)
int	ipath_destroy_cq (struct ib_cq *ibcq)
int	ipath_req_notify_cq (struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags)
int	ipath_resize_cq (struct ib_cq *ibcq, int cqe, struct ib_udata *udata)

Function Documentation

void ipath_cq_enter	(	struct ipath_cq *	cq,
		struct ib_wc *	entry,
		int	solicited
	)

ipath_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 ipath_cq.c.

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

read

ipath_create_cq - create a completion queue : the device this completion queue is attached to : the minimum size of the completion queue : unused by the InfiniPath driver : unused by the InfiniPath driver

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 200 of file ipath_cq.c.

int ipath_destroy_cq

(

struct ib_cq *

ibcq

)

ipath_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 314 of file ipath_cq.c.

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

ipath_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 129 of file ipath_cq.c.

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

ipath_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 342 of file ipath_cq.c.

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

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

Returns 0 for success.

Definition at line 371 of file ipath_cq.c.