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Message-ID: <20170414021440.GO30837@char.us.oracle.com>
Date: Thu, 13 Apr 2017 22:14:40 -0400
From: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To: Boris Ostrovsky <boris.ostrovsky@...cle.com>
Cc: Stefano Stabellini <sstabellini@...nel.org>,
xen-devel@...ts.xen.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux@...linux.org.uk,
catalin.marinas@....com, will.deacon@....com, jgross@...e.com,
Julien Grall <julien.grall@....com>
Subject: Re: [PATCH 2/2] xen/arm,arm64: rename __generic_dma_ops to
xen_get_dma_ops
On Thu, Apr 13, 2017 at 08:48:48PM -0400, Boris Ostrovsky wrote:
>
>
> On 04/13/2017 05:04 PM, Stefano Stabellini wrote:
> > Now that __generic_dma_ops is a xen specific function, rename it to
> > xen_get_dma_ops. Change all the call sites appropriately.
> >
> > Signed-off-by: Stefano Stabellini <sstabellini@...nel.org>
> > CC: linux@...linux.org.uk
> > CC: catalin.marinas@....com
> > CC: will.deacon@....com
> > CC: boris.ostrovsky@...cle.com
> > CC: jgross@...e.com
> > CC: Julien Grall <julien.grall@....com>
>
> Reviewed-by: Boris Ostrovsky <boris.ostrovsky@...cle.com>
>
> (+Konrad)
Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
>
>
> > ---
> > drivers/xen/swiotlb-xen.c | 8 ++++----
> > include/xen/arm/page-coherent.h | 20 ++++++++++----------
> > 2 files changed, 14 insertions(+), 14 deletions(-)
> >
> > diff --git a/drivers/xen/swiotlb-xen.c b/drivers/xen/swiotlb-xen.c
> > index e8cef1a..8dab0d3 100644
> > --- a/drivers/xen/swiotlb-xen.c
> > +++ b/drivers/xen/swiotlb-xen.c
> > @@ -693,8 +693,8 @@ void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
> > unsigned long attrs)
> > {
> > #if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
> > - if (__generic_dma_ops(dev)->mmap)
> > - return __generic_dma_ops(dev)->mmap(dev, vma, cpu_addr,
> > + if (xen_get_dma_ops(dev)->mmap)
> > + return xen_get_dma_ops(dev)->mmap(dev, vma, cpu_addr,
> > dma_addr, size, attrs);
> > #endif
> > return dma_common_mmap(dev, vma, cpu_addr, dma_addr, size);
> > @@ -711,7 +711,7 @@ void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
> > unsigned long attrs)
> > {
> > #if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
> > - if (__generic_dma_ops(dev)->get_sgtable) {
> > + if (xen_get_dma_ops(dev)->get_sgtable) {
> > #if 0
> > /*
> > * This check verifies that the page belongs to the current domain and
> > @@ -721,7 +721,7 @@ void xen_swiotlb_unmap_page(struct device *hwdev, dma_addr_t dev_addr,
> > unsigned long bfn = PHYS_PFN(dma_to_phys(dev, handle));
> > BUG_ON (!page_is_ram(bfn));
> > #endif
> > - return __generic_dma_ops(dev)->get_sgtable(dev, sgt, cpu_addr,
> > + return xen_get_dma_ops(dev)->get_sgtable(dev, sgt, cpu_addr,
> > handle, size, attrs);
> > }
> > #endif
> > diff --git a/include/xen/arm/page-coherent.h b/include/xen/arm/page-coherent.h
> > index b0a2bfc..b1b4ecd 100644
> > --- a/include/xen/arm/page-coherent.h
> > +++ b/include/xen/arm/page-coherent.h
> > @@ -5,7 +5,7 @@
> > #include <asm/dma-mapping.h>
> > #include <linux/dma-mapping.h>
> >
> > -static inline const struct dma_map_ops *__generic_dma_ops(struct device *dev)
> > +static inline const struct dma_map_ops *xen_get_dma_ops(struct device *dev)
> > {
> > if (dev && dev->archdata.dev_dma_ops)
> > return dev->archdata.dev_dma_ops;
> > @@ -27,13 +27,13 @@ void __xen_dma_sync_single_for_device(struct device *hwdev,
> > static inline void *xen_alloc_coherent_pages(struct device *hwdev, size_t size,
> > dma_addr_t *dma_handle, gfp_t flags, unsigned long attrs)
> > {
> > - return __generic_dma_ops(hwdev)->alloc(hwdev, size, dma_handle, flags, attrs);
> > + return xen_get_dma_ops(hwdev)->alloc(hwdev, size, dma_handle, flags, attrs);
> > }
> >
> > static inline void xen_free_coherent_pages(struct device *hwdev, size_t size,
> > void *cpu_addr, dma_addr_t dma_handle, unsigned long attrs)
> > {
> > - __generic_dma_ops(hwdev)->free(hwdev, size, cpu_addr, dma_handle, attrs);
> > + xen_get_dma_ops(hwdev)->free(hwdev, size, cpu_addr, dma_handle, attrs);
> > }
> >
> > static inline void xen_dma_map_page(struct device *hwdev, struct page *page,
> > @@ -57,7 +57,7 @@ static inline void xen_dma_map_page(struct device *hwdev, struct page *page,
> > * specific function.
> > */
> > if (local)
> > - __generic_dma_ops(hwdev)->map_page(hwdev, page, offset, size, dir, attrs);
> > + xen_get_dma_ops(hwdev)->map_page(hwdev, page, offset, size, dir, attrs);
> > else
> > __xen_dma_map_page(hwdev, page, dev_addr, offset, size, dir, attrs);
> > }
> > @@ -75,8 +75,8 @@ static inline void xen_dma_unmap_page(struct device *hwdev, dma_addr_t handle,
> > * specific function.
> > */
> > if (pfn_valid(pfn)) {
> > - if (__generic_dma_ops(hwdev)->unmap_page)
> > - __generic_dma_ops(hwdev)->unmap_page(hwdev, handle, size, dir, attrs);
> > + if (xen_get_dma_ops(hwdev)->unmap_page)
> > + xen_get_dma_ops(hwdev)->unmap_page(hwdev, handle, size, dir, attrs);
> > } else
> > __xen_dma_unmap_page(hwdev, handle, size, dir, attrs);
> > }
> > @@ -86,8 +86,8 @@ static inline void xen_dma_sync_single_for_cpu(struct device *hwdev,
> > {
> > unsigned long pfn = PFN_DOWN(handle);
> > if (pfn_valid(pfn)) {
> > - if (__generic_dma_ops(hwdev)->sync_single_for_cpu)
> > - __generic_dma_ops(hwdev)->sync_single_for_cpu(hwdev, handle, size, dir);
> > + if (xen_get_dma_ops(hwdev)->sync_single_for_cpu)
> > + xen_get_dma_ops(hwdev)->sync_single_for_cpu(hwdev, handle, size, dir);
> > } else
> > __xen_dma_sync_single_for_cpu(hwdev, handle, size, dir);
> > }
> > @@ -97,8 +97,8 @@ static inline void xen_dma_sync_single_for_device(struct device *hwdev,
> > {
> > unsigned long pfn = PFN_DOWN(handle);
> > if (pfn_valid(pfn)) {
> > - if (__generic_dma_ops(hwdev)->sync_single_for_device)
> > - __generic_dma_ops(hwdev)->sync_single_for_device(hwdev, handle, size, dir);
> > + if (xen_get_dma_ops(hwdev)->sync_single_for_device)
> > + xen_get_dma_ops(hwdev)->sync_single_for_device(hwdev, handle, size, dir);
> > } else
> > __xen_dma_sync_single_for_device(hwdev, handle, size, dir);
> > }
> >
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