From: Nicolin Chen <nicolinc@nvidia.com>
To: <kwankhede@nvidia.com>, <corbet@lwn.net>, <hca@linux.ibm.com>,
<gor@linux.ibm.com>, <agordeev@linux.ibm.com>,
<borntraeger@linux.ibm.com>, <svens@linux.ibm.com>,
<zhenyuw@linux.intel.com>, <zhi.a.wang@intel.com>,
<jani.nikula@linux.intel.com>, <joonas.lahtinen@linux.intel.com>,
<rodrigo.vivi@intel.com>, <tvrtko.ursulin@linux.intel.com>,
<airlied@linux.ie>, <daniel@ffwll.ch>, <farman@linux.ibm.com>,
<mjrosato@linux.ibm.com>, <pasic@linux.ibm.com>,
<vneethv@linux.ibm.com>, <oberpar@linux.ibm.com>,
<freude@linux.ibm.com>, <akrowiak@linux.ibm.com>,
<jjherne@linux.ibm.com>, <alex.williamson@redhat.com>,
<cohuck@redhat.com>, <jgg@nvidia.com>, <kevin.tian@intel.com>,
<hch@infradead.org>
Cc: <jchrist@linux.ibm.com>, <kvm@vger.kernel.org>,
<linux-doc@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-s390@vger.kernel.org>,
<intel-gvt-dev@lists.freedesktop.org>,
<intel-gfx@lists.freedesktop.org>,
<dri-devel@lists.freedesktop.org>, <terrence.xu@intel.com>
Subject: [PATCH v3 08/10] vfio: Rename user_iova of vfio_dma_rw()
Date: Fri, 8 Jul 2022 15:44:26 -0700 [thread overview]
Message-ID: <20220708224427.1245-9-nicolinc@nvidia.com> (raw)
In-Reply-To: <20220708224427.1245-1-nicolinc@nvidia.com>
Following the updated vfio_pin/unpin_pages(), use the simpler "iova".
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Tested-by: Terrence Xu <terrence.xu@intel.com>
Tested-by: Eric Farman <farman@linux.ibm.com>
Signed-off-by: Nicolin Chen <nicolinc@nvidia.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 ee4d45c2f210..153e5a7bce6a 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1993,13 +1993,13 @@ 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;
@@ -2015,7 +2015,7 @@ 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 2cefb63751f9..1d4febc4f711 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -160,7 +160,7 @@ bool vfio_file_has_dev(struct file *file, struct vfio_device *device);
int vfio_pin_pages(struct vfio_device *device, dma_addr_t iova,
int npage, int prot, unsigned long *phys_pfn);
void vfio_unpin_pages(struct vfio_device *device, dma_addr_t iova, int npage);
-int vfio_dma_rw(struct vfio_device *device, dma_addr_t user_iova,
+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
next prev parent reply other threads:[~2022-07-08 22:45 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-08 22:44 [PATCH v3 00/10] Update vfio_pin/unpin_pages API Nicolin Chen
2022-07-08 22:44 ` [PATCH v3 01/10] vfio: Make vfio_unpin_pages() return void Nicolin Chen
2022-07-12 14:21 ` Anthony Krowiak
2022-07-12 18:18 ` Nicolin Chen
2022-07-08 22:44 ` [PATCH v3 02/10] drm/i915/gvt: Replace roundup with DIV_ROUND_UP Nicolin Chen
2022-07-08 22:44 ` [PATCH v3 03/10] vfio/ap: Pass in physical address of ind to ap_aqic() Nicolin Chen
2022-07-08 22:44 ` [PATCH v3 04/10] vfio/ccw: Only pass in contiguous pages Nicolin Chen
2022-07-08 22:44 ` [PATCH v3 05/10] vfio: Pass in starting IOVA to vfio_pin/unpin_pages API Nicolin Chen
2022-07-12 14:25 ` Anthony Krowiak
2022-07-08 22:44 ` [PATCH v3 06/10] vfio/ap: Change saved_pfn to saved_iova Nicolin Chen
2022-07-12 14:28 ` Anthony Krowiak
2022-07-08 22:44 ` [PATCH v3 07/10] vfio/ccw: Change pa_pfn list to pa_iova list Nicolin Chen
2022-07-08 22:44 ` Nicolin Chen [this message]
2022-07-08 22:44 ` [PATCH v3 09/10] vfio/ccw: Add kmap_local_page() for memcpy Nicolin Chen
2022-07-22 22:11 ` [PATCH v3 00/10] Update vfio_pin/unpin_pages API Alex Williamson
2022-07-22 23:12 ` Nicolin Chen
2022-07-23 0:18 ` Alex Williamson
2022-07-23 0:38 ` Nicolin Chen
2022-07-23 1:09 ` Alex Williamson
2022-07-23 2:10 ` Nicolin Chen
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