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>
Subject: [RFT][PATCH v2 7/9] vfio: Rename user_iova of vfio_dma_rw()
Date: Tue, 5 Jul 2022 23:27:57 -0700 [thread overview]
Message-ID: <20220706062759.24946-8-nicolinc@nvidia.com> (raw)
In-Reply-To: <20220706062759.24946-1-nicolinc@nvidia.com>
Following the updated vfio_pin/unpin_pages(), use the simpler "iova".
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 813b517c973e..b95ec2d78966 100644
--- a/drivers/vfio/vfio.c
+++ b/drivers/vfio/vfio.c
@@ -1991,13 +1991,13 @@ 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;
@@ -2013,7 +2013,7 @@ 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 c3e441c0bf4b..9108de34a79b 100644
--- a/include/linux/vfio.h
+++ b/include/linux/vfio.h
@@ -150,7 +150,7 @@ 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:[~2022-07-06 6:28 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-07-06 6:27 [RFT][PATCH v2 0/9] Update vfio_pin/unpin_pages API Nicolin Chen
2022-07-06 6:27 ` [RFT][PATCH v2 1/9] vfio: Make vfio_unpin_pages() return void Nicolin Chen
2022-07-06 6:54 ` Christoph Hellwig
2022-07-06 15:52 ` Nicolin Chen
2022-07-06 16:45 ` Jason Gunthorpe
2022-07-06 17:38 ` Kirti Wankhede
2022-07-07 8:42 ` Tian, Kevin
2022-07-07 17:12 ` Nicolin Chen
2022-07-07 19:22 ` Jason Gunthorpe
2022-07-07 19:38 ` Nicolin Chen
2022-07-06 6:27 ` [RFT][PATCH v2 2/9] vfio/ap: Pass in physical address of ind to ap_aqic() Nicolin Chen
2022-07-06 16:48 ` Jason Gunthorpe
2022-07-06 6:27 ` [RFT][PATCH v2 3/9] vfio/ccw: Only pass in contiguous pages Nicolin Chen
2022-07-06 17:05 ` Jason Gunthorpe
2022-07-08 20:25 ` Eric Farman
2022-07-08 20:25 ` Eric Farman
2022-07-06 6:27 ` [RFT][PATCH v2 4/9] vfio: Pass in starting IOVA to vfio_pin/unpin_pages API Nicolin Chen
2022-07-06 6:56 ` Christoph Hellwig
2022-07-06 15:54 ` Nicolin Chen
2022-07-06 17:38 ` Kirti Wankhede
2022-07-06 17:49 ` Jason Gunthorpe
2022-07-06 17:58 ` Nicolin Chen
2022-07-06 19:21 ` Nicolin Chen
2022-07-07 8:46 ` Tian, Kevin
2022-07-07 17:04 ` Nicolin Chen
2022-07-08 20:27 ` Eric Farman
2022-07-06 6:27 ` [RFT][PATCH v2 5/9] vfio/ap: Remove redundant pfn Nicolin Chen
2022-07-06 17:55 ` Jason Gunthorpe
2022-07-06 6:27 ` [RFT][PATCH v2 6/9] vfio/ccw: Change pa_pfn list to pa_iova list Nicolin Chen
2022-07-06 17:59 ` Jason Gunthorpe
2022-07-08 20:26 ` Eric Farman
2022-07-06 6:27 ` Nicolin Chen [this message]
2022-07-06 6:57 ` [RFT][PATCH v2 7/9] vfio: Rename user_iova of vfio_dma_rw() Christoph Hellwig
2022-07-06 18:15 ` Jason Gunthorpe
2022-07-07 8:47 ` Tian, Kevin
2022-07-06 6:27 ` [RFT][PATCH v2 8/9] vfio/ccw: Add kmap_local_page() for memcpy Nicolin Chen
2022-07-06 18:17 ` Jason Gunthorpe
2022-07-08 20:29 ` Eric Farman
2022-07-06 6:27 ` [RFT][PATCH v2 9/9] vfio: Replace phys_pfn with pages for vfio_pin_pages() Nicolin Chen
2022-07-06 6:57 ` Christoph Hellwig
2022-07-06 17:39 ` Kirti Wankhede
2022-07-06 18:18 ` Jason Gunthorpe
2022-07-07 8:49 ` Tian, Kevin
2022-07-07 17:03 ` Nicolin Chen
2022-07-08 20:29 ` Eric Farman
2022-07-07 6:08 ` [RFT][PATCH v2 0/9] Update vfio_pin/unpin_pages API Tian, Kevin
2022-07-07 6:17 ` Nicolin Chen
2022-07-08 7:24 ` Xu, Terrence
2022-07-08 20:20 ` Nicolin Chen
2022-07-08 20:30 ` Eric Farman
2022-07-08 20:31 ` Nicolin Chen
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