linux-kernel - [RFT][PATCH v1 4/6] vfio: Rename user_iova of vfio_dma

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Date:   Thu, 16 Jun 2022 16:52:10 -0700
From:   Nicolin Chen <nicolinc@...dia.com>
To:     <kwankhede@...dia.com>, <corbet@....net>, <hca@...ux.ibm.com>,
        <gor@...ux.ibm.com>, <agordeev@...ux.ibm.com>,
        <borntraeger@...ux.ibm.com>, <svens@...ux.ibm.com>,
        <zhenyuw@...ux.intel.com>, <zhi.a.wang@...el.com>,
        <jani.nikula@...ux.intel.com>, <joonas.lahtinen@...ux.intel.com>,
        <rodrigo.vivi@...el.com>, <tvrtko.ursulin@...ux.intel.com>,
        <airlied@...ux.ie>, <daniel@...ll.ch>, <farman@...ux.ibm.com>,
        <mjrosato@...ux.ibm.com>, <pasic@...ux.ibm.com>,
        <vneethv@...ux.ibm.com>, <oberpar@...ux.ibm.com>,
        <freude@...ux.ibm.com>, <akrowiak@...ux.ibm.com>,
        <jjherne@...ux.ibm.com>, <alex.williamson@...hat.com>,
        <cohuck@...hat.com>, <jgg@...dia.com>, <kevin.tian@...el.com>
CC:     <jchrist@...ux.ibm.com>, <kvm@...r.kernel.org>,
        <linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-s390@...r.kernel.org>,
        <intel-gvt-dev@...ts.freedesktop.org>,
        <intel-gfx@...ts.freedesktop.org>,
        <dri-devel@...ts.freedesktop.org>
Subject: [RFT][PATCH v1 4/6] vfio: Rename user_iova of vfio_dma_rw()

Following the updated vfio_pin/unpin_pages(), use the simpler "iova".

Signed-off-by: Nicolin Chen <nicolinc@...dia.com>
---
 drivers/vfio/vfio.c  | 6 +++---
 include/linux/vfio.h | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/vfio/vfio.c b/drivers/vfio/vfio.c
index 861594dd461a..e8dbb0122e20 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1996,13 +1996,13 @@ EXPORT_SYMBOL(vfio_unpin_pages);
  * not a real device DMA, it is not necessary to pin the user space memory.
  *
  * @device [in]		: VFIO device
- * @user_iova [in]	: base IOVA of a user space buffer
+ * @iova [in]		: base IOVA of a user space buffer
  * @data [in]		: pointer to kernel buffer
  * @len [in]		: kernel buffer length
  * @write		: indicate read or write
  * Return error code on failure or 0 on success.
  */
-int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova, void *data,
+int vfio_dma_rw(struct vfio_device *device, dma_addr_t iova, void *data,
 		size_t len, bool write)
 {
 	struct vfio_container *container;
@@ -2018,7 +2018,7 @@ int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova, void *data,
 
 	if (likely(driver && driver->ops->dma_rw))
 		ret = driver->ops->dma_rw(container->iommu_data,
-					  user_iova, data, len, write);
+					  iova, data, len, write);
 	else
 		ret = -ENOTTY;
 	return ret;
diff --git a/include/linux/vfio.h b/include/linux/vfio.h
index edbad5d3d50a..99c3bf52c4da 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -151,7 +151,7 @@ extern int vfio_pin_pages(struct vfio_device *device, dma_addr_t iova,
 			  int npage, int prot, unsigned long *phys_pfn);
 extern int vfio_unpin_pages(struct vfio_device *device, dma_addr_t iova,
 			    int npage);
-extern int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova,
+extern int vfio_dma_rw(struct vfio_device *device, dma_addr_t iova,
 		       void *data, size_t len, bool write);
 
 /* each type has independent events */
-- 
2.17.1