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authorStephen Hemminger <stephen@networkplumber.org>2018-09-14 18:10:19 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-09-25 20:33:24 +0200
commit9da197f1df40c838f0f06abf94cd23b4ed81e522 (patch)
tree06c55d63c9ce570aceab05bbd918b4f1ee535404 /drivers/uio/uio_hv_generic.c
parentuio: introduce UIO_MEM_IOVA (diff)
downloadlinux-9da197f1df40c838f0f06abf94cd23b4ed81e522.tar.xz
linux-9da197f1df40c838f0f06abf94cd23b4ed81e522.zip
hv_uio_generic: map ringbuffer phys addr
The ring buffer is contiguous IOVA and is mapped via phys addr for sysfs file. Use same method for the UIO mapping. Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/uio/uio_hv_generic.c')
-rw-r--r--drivers/uio/uio_hv_generic.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/uio/uio_hv_generic.c b/drivers/uio/uio_hv_generic.c
index ba67a5267557..53f5610c6065 100644
--- a/drivers/uio/uio_hv_generic.c
+++ b/drivers/uio/uio_hv_generic.c
@@ -224,10 +224,10 @@ hv_uio_probe(struct hv_device *dev,
/* mem resources */
pdata->info.mem[TXRX_RING_MAP].name = "txrx_rings";
pdata->info.mem[TXRX_RING_MAP].addr
- = (uintptr_t)page_address(dev->channel->ringbuffer_page);
+ = (uintptr_t)virt_to_phys(page_address(dev->channel->ringbuffer_page));
pdata->info.mem[TXRX_RING_MAP].size
= dev->channel->ringbuffer_pagecount << PAGE_SHIFT;
- pdata->info.mem[TXRX_RING_MAP].memtype = UIO_MEM_LOGICAL;
+ pdata->info.mem[TXRX_RING_MAP].memtype = UIO_MEM_IOVA;
pdata->info.mem[INT_PAGE_MAP].name = "int_page";
pdata->info.mem[INT_PAGE_MAP].addr