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-rw-r--r--drivers/infiniband/hw/qib/qib.h10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/qib/qib.h b/drivers/infiniband/hw/qib/qib.h
index 7e62f413714..cbe57715145 100644
--- a/drivers/infiniband/hw/qib/qib.h
+++ b/drivers/infiniband/hw/qib/qib.h
@@ -1,8 +1,8 @@
#ifndef _QIB_KERNEL_H
#define _QIB_KERNEL_H
/*
- * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
- * All rights reserved.
+ * Copyright (c) 2012 Intel Corporation. All rights reserved.
+ * Copyright (c) 2006 - 2012 QLogic Corporation. All rights reserved.
* Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
*
* This software is available to you under a choice of one of two
@@ -544,6 +544,7 @@ struct qib_pportdata {
/* read mostly */
struct qib_sdma_desc *sdma_descq;
+ struct workqueue_struct *qib_wq;
struct qib_sdma_state sdma_state;
dma_addr_t sdma_descq_phys;
volatile __le64 *sdma_head_dma; /* DMA'ed by chip */
@@ -1267,6 +1268,11 @@ int qib_sdma_verbs_send(struct qib_pportdata *, struct qib_sge_state *,
/* ppd->sdma_lock should be locked before calling this. */
int qib_sdma_make_progress(struct qib_pportdata *dd);
+static inline int qib_sdma_empty(const struct qib_pportdata *ppd)
+{
+ return ppd->sdma_descq_added == ppd->sdma_descq_removed;
+}
+
/* must be called under qib_sdma_lock */
static inline u16 qib_sdma_descq_freecnt(const struct qib_pportdata *ppd)
{