| Message ID | 1492630570-879-1-git-send-email-logang@deltatee.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Apr 19, 2017 at 01:36:10PM -0600, Logan Gunthorpe wrote: > Seeing the kunmap_atomic dma_buf_ops share the same name with a macro > in highmem.h, the former can be aliased if any dma-buf user includes > that header. > > I'm personally trying to include highmem.h inside scatterlist.h and this > breaks the dma-buf code proper. > > Christoph Hellwig suggested [1] renaming it and pushing this patch ASAP. > > To maintain consistency I've renamed all four of kmap* and kunmap* to be > map* and unmap*. (Even though only kmap_atomic presently conflicts.) > > [1] https://www.spinics.net/lists/target-devel/msg15070.html > > Signed-off-by: Logan Gunthorpe <logang@deltatee.com> > Reviewed-by: Sinclair Yeh <syeh@vmware.com> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Probably simplest if we pull this in through the drm-misc tree for 4.12. Can we have an ack for the v4l side for that pls? Thanks, Daniel > --- > > Changes since v1: > > - Added the missing tegra driver (noticed by kbuild robot) > - Rebased off of drm-intel-next to get the i915 selftest that is new > - Fixed nits Sinclair pointed out. > > drivers/dma-buf/dma-buf.c | 16 ++++++++-------- > drivers/gpu/drm/armada/armada_gem.c | 8 ++++---- > drivers/gpu/drm/drm_prime.c | 8 ++++---- > drivers/gpu/drm/i915/i915_gem_dmabuf.c | 8 ++++---- > drivers/gpu/drm/i915/selftests/mock_dmabuf.c | 8 ++++---- > drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 8 ++++---- > drivers/gpu/drm/tegra/gem.c | 8 ++++---- > drivers/gpu/drm/udl/udl_dmabuf.c | 8 ++++---- > drivers/gpu/drm/vmwgfx/vmwgfx_prime.c | 8 ++++---- > drivers/media/v4l2-core/videobuf2-dma-contig.c | 4 ++-- > drivers/media/v4l2-core/videobuf2-dma-sg.c | 4 ++-- > drivers/media/v4l2-core/videobuf2-vmalloc.c | 4 ++-- > drivers/staging/android/ion/ion.c | 8 ++++---- > include/linux/dma-buf.h | 22 +++++++++++----------- > 14 files changed, 61 insertions(+), 61 deletions(-) > > diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c > index f72aaac..512bdbc 100644 > --- a/drivers/dma-buf/dma-buf.c > +++ b/drivers/dma-buf/dma-buf.c > @@ -405,8 +405,8 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info) > || !exp_info->ops->map_dma_buf > || !exp_info->ops->unmap_dma_buf > || !exp_info->ops->release > - || !exp_info->ops->kmap_atomic > - || !exp_info->ops->kmap > + || !exp_info->ops->map_atomic > + || !exp_info->ops->map > || !exp_info->ops->mmap)) { > return ERR_PTR(-EINVAL); > } > @@ -872,7 +872,7 @@ void *dma_buf_kmap_atomic(struct dma_buf *dmabuf, unsigned long page_num) > { > WARN_ON(!dmabuf); > > - return dmabuf->ops->kmap_atomic(dmabuf, page_num); > + return dmabuf->ops->map_atomic(dmabuf, page_num); > } > EXPORT_SYMBOL_GPL(dma_buf_kmap_atomic); > > @@ -889,8 +889,8 @@ void dma_buf_kunmap_atomic(struct dma_buf *dmabuf, unsigned long page_num, > { > WARN_ON(!dmabuf); > > - if (dmabuf->ops->kunmap_atomic) > - dmabuf->ops->kunmap_atomic(dmabuf, page_num, vaddr); > + if (dmabuf->ops->unmap_atomic) > + dmabuf->ops->unmap_atomic(dmabuf, page_num, vaddr); > } > EXPORT_SYMBOL_GPL(dma_buf_kunmap_atomic); > > @@ -907,7 +907,7 @@ void *dma_buf_kmap(struct dma_buf *dmabuf, unsigned long page_num) > { > WARN_ON(!dmabuf); > > - return dmabuf->ops->kmap(dmabuf, page_num); > + return dmabuf->ops->map(dmabuf, page_num); > } > EXPORT_SYMBOL_GPL(dma_buf_kmap); > > @@ -924,8 +924,8 @@ void dma_buf_kunmap(struct dma_buf *dmabuf, unsigned long page_num, > { > WARN_ON(!dmabuf); > > - if (dmabuf->ops->kunmap) > - dmabuf->ops->kunmap(dmabuf, page_num, vaddr); > + if (dmabuf->ops->unmap) > + dmabuf->ops->unmap(dmabuf, page_num, vaddr); > } > EXPORT_SYMBOL_GPL(dma_buf_kunmap); > > diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c > index 1597458..d6c2a5d 100644 > --- a/drivers/gpu/drm/armada/armada_gem.c > +++ b/drivers/gpu/drm/armada/armada_gem.c > @@ -529,10 +529,10 @@ static const struct dma_buf_ops armada_gem_prime_dmabuf_ops = { > .map_dma_buf = armada_gem_prime_map_dma_buf, > .unmap_dma_buf = armada_gem_prime_unmap_dma_buf, > .release = drm_gem_dmabuf_release, > - .kmap_atomic = armada_gem_dmabuf_no_kmap, > - .kunmap_atomic = armada_gem_dmabuf_no_kunmap, > - .kmap = armada_gem_dmabuf_no_kmap, > - .kunmap = armada_gem_dmabuf_no_kunmap, > + .map_atomic = armada_gem_dmabuf_no_kmap, > + .unmap_atomic = armada_gem_dmabuf_no_kunmap, > + .map = armada_gem_dmabuf_no_kmap, > + .unmap = armada_gem_dmabuf_no_kunmap, > .mmap = armada_gem_dmabuf_mmap, > }; > > diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c > index 9fb65b7..954eb84 100644 > --- a/drivers/gpu/drm/drm_prime.c > +++ b/drivers/gpu/drm/drm_prime.c > @@ -403,10 +403,10 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = { > .map_dma_buf = drm_gem_map_dma_buf, > .unmap_dma_buf = drm_gem_unmap_dma_buf, > .release = drm_gem_dmabuf_release, > - .kmap = drm_gem_dmabuf_kmap, > - .kmap_atomic = drm_gem_dmabuf_kmap_atomic, > - .kunmap = drm_gem_dmabuf_kunmap, > - .kunmap_atomic = drm_gem_dmabuf_kunmap_atomic, > + .map = drm_gem_dmabuf_kmap, > + .map_atomic = drm_gem_dmabuf_kmap_atomic, > + .unmap = drm_gem_dmabuf_kunmap, > + .unmap_atomic = drm_gem_dmabuf_kunmap_atomic, > .mmap = drm_gem_dmabuf_mmap, > .vmap = drm_gem_dmabuf_vmap, > .vunmap = drm_gem_dmabuf_vunmap, > diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c > index 11898cd..f225bf6 100644 > --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c > +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c > @@ -200,10 +200,10 @@ static const struct dma_buf_ops i915_dmabuf_ops = { > .map_dma_buf = i915_gem_map_dma_buf, > .unmap_dma_buf = i915_gem_unmap_dma_buf, > .release = drm_gem_dmabuf_release, > - .kmap = i915_gem_dmabuf_kmap, > - .kmap_atomic = i915_gem_dmabuf_kmap_atomic, > - .kunmap = i915_gem_dmabuf_kunmap, > - .kunmap_atomic = i915_gem_dmabuf_kunmap_atomic, > + .map = i915_gem_dmabuf_kmap, > + .map_atomic = i915_gem_dmabuf_kmap_atomic, > + .unmap = i915_gem_dmabuf_kunmap, > + .unmap_atomic = i915_gem_dmabuf_kunmap_atomic, > .mmap = i915_gem_dmabuf_mmap, > .vmap = i915_gem_dmabuf_vmap, > .vunmap = i915_gem_dmabuf_vunmap, > diff --git a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c > index 99da8f4..302f7d1 100644 > --- a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c > +++ b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c > @@ -129,10 +129,10 @@ static const struct dma_buf_ops mock_dmabuf_ops = { > .map_dma_buf = mock_map_dma_buf, > .unmap_dma_buf = mock_unmap_dma_buf, > .release = mock_dmabuf_release, > - .kmap = mock_dmabuf_kmap, > - .kmap_atomic = mock_dmabuf_kmap_atomic, > - .kunmap = mock_dmabuf_kunmap, > - .kunmap_atomic = mock_dmabuf_kunmap_atomic, > + .map = mock_dmabuf_kmap, > + .map_atomic = mock_dmabuf_kmap_atomic, > + .unmap = mock_dmabuf_kunmap, > + .unmap_atomic = mock_dmabuf_kunmap_atomic, > .mmap = mock_dmabuf_mmap, > .vmap = mock_dmabuf_vmap, > .vunmap = mock_dmabuf_vunmap, > diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c > index ee5883f..0dbe030 100644 > --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c > +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c > @@ -160,10 +160,10 @@ static struct dma_buf_ops omap_dmabuf_ops = { > .release = omap_gem_dmabuf_release, > .begin_cpu_access = omap_gem_dmabuf_begin_cpu_access, > .end_cpu_access = omap_gem_dmabuf_end_cpu_access, > - .kmap_atomic = omap_gem_dmabuf_kmap_atomic, > - .kunmap_atomic = omap_gem_dmabuf_kunmap_atomic, > - .kmap = omap_gem_dmabuf_kmap, > - .kunmap = omap_gem_dmabuf_kunmap, > + .map_atomic = omap_gem_dmabuf_kmap_atomic, > + .unmap_atomic = omap_gem_dmabuf_kunmap_atomic, > + .map = omap_gem_dmabuf_kmap, > + .unmap = omap_gem_dmabuf_kunmap, > .mmap = omap_gem_dmabuf_mmap, > }; > > diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c > index 17e62ec..8672f5d 100644 > --- a/drivers/gpu/drm/tegra/gem.c > +++ b/drivers/gpu/drm/tegra/gem.c > @@ -619,10 +619,10 @@ static const struct dma_buf_ops tegra_gem_prime_dmabuf_ops = { > .map_dma_buf = tegra_gem_prime_map_dma_buf, > .unmap_dma_buf = tegra_gem_prime_unmap_dma_buf, > .release = tegra_gem_prime_release, > - .kmap_atomic = tegra_gem_prime_kmap_atomic, > - .kunmap_atomic = tegra_gem_prime_kunmap_atomic, > - .kmap = tegra_gem_prime_kmap, > - .kunmap = tegra_gem_prime_kunmap, > + .map_atomic = tegra_gem_prime_kmap_atomic, > + .unmap_atomic = tegra_gem_prime_kunmap_atomic, > + .map = tegra_gem_prime_kmap, > + .unmap = tegra_gem_prime_kunmap, > .mmap = tegra_gem_prime_mmap, > .vmap = tegra_gem_prime_vmap, > .vunmap = tegra_gem_prime_vunmap, > diff --git a/drivers/gpu/drm/udl/udl_dmabuf.c b/drivers/gpu/drm/udl/udl_dmabuf.c > index ac90ffd..ed0e636 100644 > --- a/drivers/gpu/drm/udl/udl_dmabuf.c > +++ b/drivers/gpu/drm/udl/udl_dmabuf.c > @@ -191,10 +191,10 @@ static struct dma_buf_ops udl_dmabuf_ops = { > .detach = udl_detach_dma_buf, > .map_dma_buf = udl_map_dma_buf, > .unmap_dma_buf = udl_unmap_dma_buf, > - .kmap = udl_dmabuf_kmap, > - .kmap_atomic = udl_dmabuf_kmap_atomic, > - .kunmap = udl_dmabuf_kunmap, > - .kunmap_atomic = udl_dmabuf_kunmap_atomic, > + .map = udl_dmabuf_kmap, > + .map_atomic = udl_dmabuf_kmap_atomic, > + .unmap = udl_dmabuf_kunmap, > + .unmap_atomic = udl_dmabuf_kunmap_atomic, > .mmap = udl_dmabuf_mmap, > .release = drm_gem_dmabuf_release, > }; > diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c > index 31fe32d..0d42a46 100644 > --- a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c > +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c > @@ -108,10 +108,10 @@ const struct dma_buf_ops vmw_prime_dmabuf_ops = { > .map_dma_buf = vmw_prime_map_dma_buf, > .unmap_dma_buf = vmw_prime_unmap_dma_buf, > .release = NULL, > - .kmap = vmw_prime_dmabuf_kmap, > - .kmap_atomic = vmw_prime_dmabuf_kmap_atomic, > - .kunmap = vmw_prime_dmabuf_kunmap, > - .kunmap_atomic = vmw_prime_dmabuf_kunmap_atomic, > + .map = vmw_prime_dmabuf_kmap, > + .map_atomic = vmw_prime_dmabuf_kmap_atomic, > + .unmap = vmw_prime_dmabuf_kunmap, > + .unmap_atomic = vmw_prime_dmabuf_kunmap_atomic, > .mmap = vmw_prime_dmabuf_mmap, > .vmap = vmw_prime_dmabuf_vmap, > .vunmap = vmw_prime_dmabuf_vunmap, > diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c > index fb6a177..2db0413 100644 > --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c > +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c > @@ -356,8 +356,8 @@ static struct dma_buf_ops vb2_dc_dmabuf_ops = { > .detach = vb2_dc_dmabuf_ops_detach, > .map_dma_buf = vb2_dc_dmabuf_ops_map, > .unmap_dma_buf = vb2_dc_dmabuf_ops_unmap, > - .kmap = vb2_dc_dmabuf_ops_kmap, > - .kmap_atomic = vb2_dc_dmabuf_ops_kmap, > + .map = vb2_dc_dmabuf_ops_kmap, > + .map_atomic = vb2_dc_dmabuf_ops_kmap, > .vmap = vb2_dc_dmabuf_ops_vmap, > .mmap = vb2_dc_dmabuf_ops_mmap, > .release = vb2_dc_dmabuf_ops_release, > diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c > index ecff8f4..6fd1343 100644 > --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c > +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c > @@ -504,8 +504,8 @@ static struct dma_buf_ops vb2_dma_sg_dmabuf_ops = { > .detach = vb2_dma_sg_dmabuf_ops_detach, > .map_dma_buf = vb2_dma_sg_dmabuf_ops_map, > .unmap_dma_buf = vb2_dma_sg_dmabuf_ops_unmap, > - .kmap = vb2_dma_sg_dmabuf_ops_kmap, > - .kmap_atomic = vb2_dma_sg_dmabuf_ops_kmap, > + .map = vb2_dma_sg_dmabuf_ops_kmap, > + .map_atomic = vb2_dma_sg_dmabuf_ops_kmap, > .vmap = vb2_dma_sg_dmabuf_ops_vmap, > .mmap = vb2_dma_sg_dmabuf_ops_mmap, > .release = vb2_dma_sg_dmabuf_ops_release, > diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c > index 3f77814..27d1db3 100644 > --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c > +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c > @@ -342,8 +342,8 @@ static struct dma_buf_ops vb2_vmalloc_dmabuf_ops = { > .detach = vb2_vmalloc_dmabuf_ops_detach, > .map_dma_buf = vb2_vmalloc_dmabuf_ops_map, > .unmap_dma_buf = vb2_vmalloc_dmabuf_ops_unmap, > - .kmap = vb2_vmalloc_dmabuf_ops_kmap, > - .kmap_atomic = vb2_vmalloc_dmabuf_ops_kmap, > + .map = vb2_vmalloc_dmabuf_ops_kmap, > + .map_atomic = vb2_vmalloc_dmabuf_ops_kmap, > .vmap = vb2_vmalloc_dmabuf_ops_vmap, > .mmap = vb2_vmalloc_dmabuf_ops_mmap, > .release = vb2_vmalloc_dmabuf_ops_release, > diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c > index f45115f..95a7f16 100644 > --- a/drivers/staging/android/ion/ion.c > +++ b/drivers/staging/android/ion/ion.c > @@ -1020,10 +1020,10 @@ static const struct dma_buf_ops dma_buf_ops = { > .release = ion_dma_buf_release, > .begin_cpu_access = ion_dma_buf_begin_cpu_access, > .end_cpu_access = ion_dma_buf_end_cpu_access, > - .kmap_atomic = ion_dma_buf_kmap, > - .kunmap_atomic = ion_dma_buf_kunmap, > - .kmap = ion_dma_buf_kmap, > - .kunmap = ion_dma_buf_kunmap, > + .map_atomic = ion_dma_buf_kmap, > + .unmap_atomic = ion_dma_buf_kunmap, > + .map = ion_dma_buf_kmap, > + .unmap = ion_dma_buf_kunmap, > }; > > struct dma_buf *ion_share_dma_buf(struct ion_client *client, > diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h > index bfb3704..79f27d6 100644 > --- a/include/linux/dma-buf.h > +++ b/include/linux/dma-buf.h > @@ -39,13 +39,13 @@ struct dma_buf_attachment; > > /** > * struct dma_buf_ops - operations possible on struct dma_buf > - * @kmap_atomic: maps a page from the buffer into kernel address > - * space, users may not block until the subsequent unmap call. > - * This callback must not sleep. > - * @kunmap_atomic: [optional] unmaps a atomically mapped page from the buffer. > - * This Callback must not sleep. > - * @kmap: maps a page from the buffer into kernel address space. > - * @kunmap: [optional] unmaps a page from the buffer. > + * @map_atomic: maps a page from the buffer into kernel address > + * space, users may not block until the subsequent unmap call. > + * This callback must not sleep. > + * @unmap_atomic: [optional] unmaps a atomically mapped page from the buffer. > + * This Callback must not sleep. > + * @map: maps a page from the buffer into kernel address space. > + * @unmap: [optional] unmaps a page from the buffer. > * @vmap: [optional] creates a virtual mapping for the buffer into kernel > * address space. Same restrictions as for vmap and friends apply. > * @vunmap: [optional] unmaps a vmap from the buffer > @@ -206,10 +206,10 @@ struct dma_buf_ops { > * to be restarted. > */ > int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction); > - void *(*kmap_atomic)(struct dma_buf *, unsigned long); > - void (*kunmap_atomic)(struct dma_buf *, unsigned long, void *); > - void *(*kmap)(struct dma_buf *, unsigned long); > - void (*kunmap)(struct dma_buf *, unsigned long, void *); > + void *(*map_atomic)(struct dma_buf *, unsigned long); > + void (*unmap_atomic)(struct dma_buf *, unsigned long, void *); > + void *(*map)(struct dma_buf *, unsigned long); > + void (*unmap)(struct dma_buf *, unsigned long, void *); > > /** > * @mmap: > -- > 2.1.4 > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > https://lists.freedesktop.org/mailman/listinfo/intel-gfx
Hi Logan, Thanks for the patch. On 20 April 2017 at 13:21, Daniel Vetter <daniel@ffwll.ch> wrote: > On Wed, Apr 19, 2017 at 01:36:10PM -0600, Logan Gunthorpe wrote: >> Seeing the kunmap_atomic dma_buf_ops share the same name with a macro >> in highmem.h, the former can be aliased if any dma-buf user includes >> that header. >> >> I'm personally trying to include highmem.h inside scatterlist.h and this >> breaks the dma-buf code proper. >> >> Christoph Hellwig suggested [1] renaming it and pushing this patch ASAP. >> >> To maintain consistency I've renamed all four of kmap* and kunmap* to be >> map* and unmap*. (Even though only kmap_atomic presently conflicts.) >> >> [1] https://www.spinics.net/lists/target-devel/msg15070.html >> >> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> >> Reviewed-by: Sinclair Yeh <syeh@vmware.com> > > Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> Acked-by: Sumit Semwal <sumit.semwal@linaro.org> > > Probably simplest if we pull this in through the drm-misc tree for 4.12. > Can we have an ack for the v4l side for that pls? > > Thanks, Daniel > >> --- >> >> Changes since v1: >> >> - Added the missing tegra driver (noticed by kbuild robot) >> - Rebased off of drm-intel-next to get the i915 selftest that is new >> - Fixed nits Sinclair pointed out. >> >> drivers/dma-buf/dma-buf.c | 16 ++++++++-------- >> drivers/gpu/drm/armada/armada_gem.c | 8 ++++---- >> drivers/gpu/drm/drm_prime.c | 8 ++++---- >> drivers/gpu/drm/i915/i915_gem_dmabuf.c | 8 ++++---- >> drivers/gpu/drm/i915/selftests/mock_dmabuf.c | 8 ++++---- >> drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 8 ++++---- >> drivers/gpu/drm/tegra/gem.c | 8 ++++---- >> drivers/gpu/drm/udl/udl_dmabuf.c | 8 ++++---- >> drivers/gpu/drm/vmwgfx/vmwgfx_prime.c | 8 ++++---- >> drivers/media/v4l2-core/videobuf2-dma-contig.c | 4 ++-- >> drivers/media/v4l2-core/videobuf2-dma-sg.c | 4 ++-- >> drivers/media/v4l2-core/videobuf2-vmalloc.c | 4 ++-- >> drivers/staging/android/ion/ion.c | 8 ++++---- >> include/linux/dma-buf.h | 22 +++++++++++----------- >> 14 files changed, 61 insertions(+), 61 deletions(-) >> >> diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c >> index f72aaac..512bdbc 100644 >> --- a/drivers/dma-buf/dma-buf.c >> +++ b/drivers/dma-buf/dma-buf.c >> @@ -405,8 +405,8 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info) >> || !exp_info->ops->map_dma_buf >> || !exp_info->ops->unmap_dma_buf >> || !exp_info->ops->release >> - || !exp_info->ops->kmap_atomic >> - || !exp_info->ops->kmap >> + || !exp_info->ops->map_atomic >> + || !exp_info->ops->map >> || !exp_info->ops->mmap)) { >> return ERR_PTR(-EINVAL); >> } >> @@ -872,7 +872,7 @@ void *dma_buf_kmap_atomic(struct dma_buf *dmabuf, unsigned long page_num) >> { >> WARN_ON(!dmabuf); >> >> - return dmabuf->ops->kmap_atomic(dmabuf, page_num); >> + return dmabuf->ops->map_atomic(dmabuf, page_num); >> } >> EXPORT_SYMBOL_GPL(dma_buf_kmap_atomic); >> >> @@ -889,8 +889,8 @@ void dma_buf_kunmap_atomic(struct dma_buf *dmabuf, unsigned long page_num, >> { >> WARN_ON(!dmabuf); >> >> - if (dmabuf->ops->kunmap_atomic) >> - dmabuf->ops->kunmap_atomic(dmabuf, page_num, vaddr); >> + if (dmabuf->ops->unmap_atomic) >> + dmabuf->ops->unmap_atomic(dmabuf, page_num, vaddr); >> } >> EXPORT_SYMBOL_GPL(dma_buf_kunmap_atomic); >> >> @@ -907,7 +907,7 @@ void *dma_buf_kmap(struct dma_buf *dmabuf, unsigned long page_num) >> { >> WARN_ON(!dmabuf); >> >> - return dmabuf->ops->kmap(dmabuf, page_num); >> + return dmabuf->ops->map(dmabuf, page_num); >> } >> EXPORT_SYMBOL_GPL(dma_buf_kmap); >> >> @@ -924,8 +924,8 @@ void dma_buf_kunmap(struct dma_buf *dmabuf, unsigned long page_num, >> { >> WARN_ON(!dmabuf); >> >> - if (dmabuf->ops->kunmap) >> - dmabuf->ops->kunmap(dmabuf, page_num, vaddr); >> + if (dmabuf->ops->unmap) >> + dmabuf->ops->unmap(dmabuf, page_num, vaddr); >> } >> EXPORT_SYMBOL_GPL(dma_buf_kunmap); >> >> diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c >> index 1597458..d6c2a5d 100644 >> --- a/drivers/gpu/drm/armada/armada_gem.c >> +++ b/drivers/gpu/drm/armada/armada_gem.c >> @@ -529,10 +529,10 @@ static const struct dma_buf_ops armada_gem_prime_dmabuf_ops = { >> .map_dma_buf = armada_gem_prime_map_dma_buf, >> .unmap_dma_buf = armada_gem_prime_unmap_dma_buf, >> .release = drm_gem_dmabuf_release, >> - .kmap_atomic = armada_gem_dmabuf_no_kmap, >> - .kunmap_atomic = armada_gem_dmabuf_no_kunmap, >> - .kmap = armada_gem_dmabuf_no_kmap, >> - .kunmap = armada_gem_dmabuf_no_kunmap, >> + .map_atomic = armada_gem_dmabuf_no_kmap, >> + .unmap_atomic = armada_gem_dmabuf_no_kunmap, >> + .map = armada_gem_dmabuf_no_kmap, >> + .unmap = armada_gem_dmabuf_no_kunmap, >> .mmap = armada_gem_dmabuf_mmap, >> }; >> >> diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c >> index 9fb65b7..954eb84 100644 >> --- a/drivers/gpu/drm/drm_prime.c >> +++ b/drivers/gpu/drm/drm_prime.c >> @@ -403,10 +403,10 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = { >> .map_dma_buf = drm_gem_map_dma_buf, >> .unmap_dma_buf = drm_gem_unmap_dma_buf, >> .release = drm_gem_dmabuf_release, >> - .kmap = drm_gem_dmabuf_kmap, >> - .kmap_atomic = drm_gem_dmabuf_kmap_atomic, >> - .kunmap = drm_gem_dmabuf_kunmap, >> - .kunmap_atomic = drm_gem_dmabuf_kunmap_atomic, >> + .map = drm_gem_dmabuf_kmap, >> + .map_atomic = drm_gem_dmabuf_kmap_atomic, >> + .unmap = drm_gem_dmabuf_kunmap, >> + .unmap_atomic = drm_gem_dmabuf_kunmap_atomic, >> .mmap = drm_gem_dmabuf_mmap, >> .vmap = drm_gem_dmabuf_vmap, >> .vunmap = drm_gem_dmabuf_vunmap, >> diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c >> index 11898cd..f225bf6 100644 >> --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c >> +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c >> @@ -200,10 +200,10 @@ static const struct dma_buf_ops i915_dmabuf_ops = { >> .map_dma_buf = i915_gem_map_dma_buf, >> .unmap_dma_buf = i915_gem_unmap_dma_buf, >> .release = drm_gem_dmabuf_release, >> - .kmap = i915_gem_dmabuf_kmap, >> - .kmap_atomic = i915_gem_dmabuf_kmap_atomic, >> - .kunmap = i915_gem_dmabuf_kunmap, >> - .kunmap_atomic = i915_gem_dmabuf_kunmap_atomic, >> + .map = i915_gem_dmabuf_kmap, >> + .map_atomic = i915_gem_dmabuf_kmap_atomic, >> + .unmap = i915_gem_dmabuf_kunmap, >> + .unmap_atomic = i915_gem_dmabuf_kunmap_atomic, >> .mmap = i915_gem_dmabuf_mmap, >> .vmap = i915_gem_dmabuf_vmap, >> .vunmap = i915_gem_dmabuf_vunmap, >> diff --git a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >> index 99da8f4..302f7d1 100644 >> --- a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >> +++ b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >> @@ -129,10 +129,10 @@ static const struct dma_buf_ops mock_dmabuf_ops = { >> .map_dma_buf = mock_map_dma_buf, >> .unmap_dma_buf = mock_unmap_dma_buf, >> .release = mock_dmabuf_release, >> - .kmap = mock_dmabuf_kmap, >> - .kmap_atomic = mock_dmabuf_kmap_atomic, >> - .kunmap = mock_dmabuf_kunmap, >> - .kunmap_atomic = mock_dmabuf_kunmap_atomic, >> + .map = mock_dmabuf_kmap, >> + .map_atomic = mock_dmabuf_kmap_atomic, >> + .unmap = mock_dmabuf_kunmap, >> + .unmap_atomic = mock_dmabuf_kunmap_atomic, >> .mmap = mock_dmabuf_mmap, >> .vmap = mock_dmabuf_vmap, >> .vunmap = mock_dmabuf_vunmap, >> diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >> index ee5883f..0dbe030 100644 >> --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >> +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >> @@ -160,10 +160,10 @@ static struct dma_buf_ops omap_dmabuf_ops = { >> .release = omap_gem_dmabuf_release, >> .begin_cpu_access = omap_gem_dmabuf_begin_cpu_access, >> .end_cpu_access = omap_gem_dmabuf_end_cpu_access, >> - .kmap_atomic = omap_gem_dmabuf_kmap_atomic, >> - .kunmap_atomic = omap_gem_dmabuf_kunmap_atomic, >> - .kmap = omap_gem_dmabuf_kmap, >> - .kunmap = omap_gem_dmabuf_kunmap, >> + .map_atomic = omap_gem_dmabuf_kmap_atomic, >> + .unmap_atomic = omap_gem_dmabuf_kunmap_atomic, >> + .map = omap_gem_dmabuf_kmap, >> + .unmap = omap_gem_dmabuf_kunmap, >> .mmap = omap_gem_dmabuf_mmap, >> }; >> >> diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c >> index 17e62ec..8672f5d 100644 >> --- a/drivers/gpu/drm/tegra/gem.c >> +++ b/drivers/gpu/drm/tegra/gem.c >> @@ -619,10 +619,10 @@ static const struct dma_buf_ops tegra_gem_prime_dmabuf_ops = { >> .map_dma_buf = tegra_gem_prime_map_dma_buf, >> .unmap_dma_buf = tegra_gem_prime_unmap_dma_buf, >> .release = tegra_gem_prime_release, >> - .kmap_atomic = tegra_gem_prime_kmap_atomic, >> - .kunmap_atomic = tegra_gem_prime_kunmap_atomic, >> - .kmap = tegra_gem_prime_kmap, >> - .kunmap = tegra_gem_prime_kunmap, >> + .map_atomic = tegra_gem_prime_kmap_atomic, >> + .unmap_atomic = tegra_gem_prime_kunmap_atomic, >> + .map = tegra_gem_prime_kmap, >> + .unmap = tegra_gem_prime_kunmap, >> .mmap = tegra_gem_prime_mmap, >> .vmap = tegra_gem_prime_vmap, >> .vunmap = tegra_gem_prime_vunmap, >> diff --git a/drivers/gpu/drm/udl/udl_dmabuf.c b/drivers/gpu/drm/udl/udl_dmabuf.c >> index ac90ffd..ed0e636 100644 >> --- a/drivers/gpu/drm/udl/udl_dmabuf.c >> +++ b/drivers/gpu/drm/udl/udl_dmabuf.c >> @@ -191,10 +191,10 @@ static struct dma_buf_ops udl_dmabuf_ops = { >> .detach = udl_detach_dma_buf, >> .map_dma_buf = udl_map_dma_buf, >> .unmap_dma_buf = udl_unmap_dma_buf, >> - .kmap = udl_dmabuf_kmap, >> - .kmap_atomic = udl_dmabuf_kmap_atomic, >> - .kunmap = udl_dmabuf_kunmap, >> - .kunmap_atomic = udl_dmabuf_kunmap_atomic, >> + .map = udl_dmabuf_kmap, >> + .map_atomic = udl_dmabuf_kmap_atomic, >> + .unmap = udl_dmabuf_kunmap, >> + .unmap_atomic = udl_dmabuf_kunmap_atomic, >> .mmap = udl_dmabuf_mmap, >> .release = drm_gem_dmabuf_release, >> }; >> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >> index 31fe32d..0d42a46 100644 >> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >> @@ -108,10 +108,10 @@ const struct dma_buf_ops vmw_prime_dmabuf_ops = { >> .map_dma_buf = vmw_prime_map_dma_buf, >> .unmap_dma_buf = vmw_prime_unmap_dma_buf, >> .release = NULL, >> - .kmap = vmw_prime_dmabuf_kmap, >> - .kmap_atomic = vmw_prime_dmabuf_kmap_atomic, >> - .kunmap = vmw_prime_dmabuf_kunmap, >> - .kunmap_atomic = vmw_prime_dmabuf_kunmap_atomic, >> + .map = vmw_prime_dmabuf_kmap, >> + .map_atomic = vmw_prime_dmabuf_kmap_atomic, >> + .unmap = vmw_prime_dmabuf_kunmap, >> + .unmap_atomic = vmw_prime_dmabuf_kunmap_atomic, >> .mmap = vmw_prime_dmabuf_mmap, >> .vmap = vmw_prime_dmabuf_vmap, >> .vunmap = vmw_prime_dmabuf_vunmap, >> diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c >> index fb6a177..2db0413 100644 >> --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c >> +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c >> @@ -356,8 +356,8 @@ static struct dma_buf_ops vb2_dc_dmabuf_ops = { >> .detach = vb2_dc_dmabuf_ops_detach, >> .map_dma_buf = vb2_dc_dmabuf_ops_map, >> .unmap_dma_buf = vb2_dc_dmabuf_ops_unmap, >> - .kmap = vb2_dc_dmabuf_ops_kmap, >> - .kmap_atomic = vb2_dc_dmabuf_ops_kmap, >> + .map = vb2_dc_dmabuf_ops_kmap, >> + .map_atomic = vb2_dc_dmabuf_ops_kmap, >> .vmap = vb2_dc_dmabuf_ops_vmap, >> .mmap = vb2_dc_dmabuf_ops_mmap, >> .release = vb2_dc_dmabuf_ops_release, >> diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c >> index ecff8f4..6fd1343 100644 >> --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c >> +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c >> @@ -504,8 +504,8 @@ static struct dma_buf_ops vb2_dma_sg_dmabuf_ops = { >> .detach = vb2_dma_sg_dmabuf_ops_detach, >> .map_dma_buf = vb2_dma_sg_dmabuf_ops_map, >> .unmap_dma_buf = vb2_dma_sg_dmabuf_ops_unmap, >> - .kmap = vb2_dma_sg_dmabuf_ops_kmap, >> - .kmap_atomic = vb2_dma_sg_dmabuf_ops_kmap, >> + .map = vb2_dma_sg_dmabuf_ops_kmap, >> + .map_atomic = vb2_dma_sg_dmabuf_ops_kmap, >> .vmap = vb2_dma_sg_dmabuf_ops_vmap, >> .mmap = vb2_dma_sg_dmabuf_ops_mmap, >> .release = vb2_dma_sg_dmabuf_ops_release, >> diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c >> index 3f77814..27d1db3 100644 >> --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c >> +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c >> @@ -342,8 +342,8 @@ static struct dma_buf_ops vb2_vmalloc_dmabuf_ops = { >> .detach = vb2_vmalloc_dmabuf_ops_detach, >> .map_dma_buf = vb2_vmalloc_dmabuf_ops_map, >> .unmap_dma_buf = vb2_vmalloc_dmabuf_ops_unmap, >> - .kmap = vb2_vmalloc_dmabuf_ops_kmap, >> - .kmap_atomic = vb2_vmalloc_dmabuf_ops_kmap, >> + .map = vb2_vmalloc_dmabuf_ops_kmap, >> + .map_atomic = vb2_vmalloc_dmabuf_ops_kmap, >> .vmap = vb2_vmalloc_dmabuf_ops_vmap, >> .mmap = vb2_vmalloc_dmabuf_ops_mmap, >> .release = vb2_vmalloc_dmabuf_ops_release, >> diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c >> index f45115f..95a7f16 100644 >> --- a/drivers/staging/android/ion/ion.c >> +++ b/drivers/staging/android/ion/ion.c >> @@ -1020,10 +1020,10 @@ static const struct dma_buf_ops dma_buf_ops = { >> .release = ion_dma_buf_release, >> .begin_cpu_access = ion_dma_buf_begin_cpu_access, >> .end_cpu_access = ion_dma_buf_end_cpu_access, >> - .kmap_atomic = ion_dma_buf_kmap, >> - .kunmap_atomic = ion_dma_buf_kunmap, >> - .kmap = ion_dma_buf_kmap, >> - .kunmap = ion_dma_buf_kunmap, >> + .map_atomic = ion_dma_buf_kmap, >> + .unmap_atomic = ion_dma_buf_kunmap, >> + .map = ion_dma_buf_kmap, >> + .unmap = ion_dma_buf_kunmap, >> }; >> >> struct dma_buf *ion_share_dma_buf(struct ion_client *client, >> diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h >> index bfb3704..79f27d6 100644 >> --- a/include/linux/dma-buf.h >> +++ b/include/linux/dma-buf.h >> @@ -39,13 +39,13 @@ struct dma_buf_attachment; >> >> /** >> * struct dma_buf_ops - operations possible on struct dma_buf >> - * @kmap_atomic: maps a page from the buffer into kernel address >> - * space, users may not block until the subsequent unmap call. >> - * This callback must not sleep. >> - * @kunmap_atomic: [optional] unmaps a atomically mapped page from the buffer. >> - * This Callback must not sleep. >> - * @kmap: maps a page from the buffer into kernel address space. >> - * @kunmap: [optional] unmaps a page from the buffer. >> + * @map_atomic: maps a page from the buffer into kernel address >> + * space, users may not block until the subsequent unmap call. >> + * This callback must not sleep. >> + * @unmap_atomic: [optional] unmaps a atomically mapped page from the buffer. >> + * This Callback must not sleep. >> + * @map: maps a page from the buffer into kernel address space. >> + * @unmap: [optional] unmaps a page from the buffer. >> * @vmap: [optional] creates a virtual mapping for the buffer into kernel >> * address space. Same restrictions as for vmap and friends apply. >> * @vunmap: [optional] unmaps a vmap from the buffer >> @@ -206,10 +206,10 @@ struct dma_buf_ops { >> * to be restarted. >> */ >> int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction); >> - void *(*kmap_atomic)(struct dma_buf *, unsigned long); >> - void (*kunmap_atomic)(struct dma_buf *, unsigned long, void *); >> - void *(*kmap)(struct dma_buf *, unsigned long); >> - void (*kunmap)(struct dma_buf *, unsigned long, void *); >> + void *(*map_atomic)(struct dma_buf *, unsigned long); >> + void (*unmap_atomic)(struct dma_buf *, unsigned long, void *); >> + void *(*map)(struct dma_buf *, unsigned long); >> + void (*unmap)(struct dma_buf *, unsigned long, void *); >> >> /** >> * @mmap: >> -- >> 2.1.4 >> _______________________________________________ >> Intel-gfx mailing list >> Intel-gfx@lists.freedesktop.org >> https://lists.freedesktop.org/mailman/listinfo/intel-gfx > > -- > Daniel Vetter > Software Engineer, Intel Corporation > http://blog.ffwll.ch
Hi All, On 2017-04-20 09:51, Daniel Vetter wrote: > On Wed, Apr 19, 2017 at 01:36:10PM -0600, Logan Gunthorpe wrote: >> Seeing the kunmap_atomic dma_buf_ops share the same name with a macro >> in highmem.h, the former can be aliased if any dma-buf user includes >> that header. >> >> I'm personally trying to include highmem.h inside scatterlist.h and this >> breaks the dma-buf code proper. >> >> Christoph Hellwig suggested [1] renaming it and pushing this patch ASAP. >> >> To maintain consistency I've renamed all four of kmap* and kunmap* to be >> map* and unmap*. (Even though only kmap_atomic presently conflicts.) >> >> [1] https://www.spinics.net/lists/target-devel/msg15070.html >> >> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> >> Reviewed-by: Sinclair Yeh <syeh@vmware.com> > Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> > > Probably simplest if we pull this in through the drm-misc tree for 4.12. > Can we have an ack for the v4l side for that pls? For the V4L2/videobuf2: Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> > Thanks, Daniel >> --- >> >> Changes since v1: >> >> - Added the missing tegra driver (noticed by kbuild robot) >> - Rebased off of drm-intel-next to get the i915 selftest that is new >> - Fixed nits Sinclair pointed out. >> >> drivers/dma-buf/dma-buf.c | 16 ++++++++-------- >> drivers/gpu/drm/armada/armada_gem.c | 8 ++++---- >> drivers/gpu/drm/drm_prime.c | 8 ++++---- >> drivers/gpu/drm/i915/i915_gem_dmabuf.c | 8 ++++---- >> drivers/gpu/drm/i915/selftests/mock_dmabuf.c | 8 ++++---- >> drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 8 ++++---- >> drivers/gpu/drm/tegra/gem.c | 8 ++++---- >> drivers/gpu/drm/udl/udl_dmabuf.c | 8 ++++---- >> drivers/gpu/drm/vmwgfx/vmwgfx_prime.c | 8 ++++---- >> drivers/media/v4l2-core/videobuf2-dma-contig.c | 4 ++-- >> drivers/media/v4l2-core/videobuf2-dma-sg.c | 4 ++-- >> drivers/media/v4l2-core/videobuf2-vmalloc.c | 4 ++-- >> drivers/staging/android/ion/ion.c | 8 ++++---- >> include/linux/dma-buf.h | 22 +++++++++++----------- >> 14 files changed, 61 insertions(+), 61 deletions(-) >> >> diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c >> index f72aaac..512bdbc 100644 >> --- a/drivers/dma-buf/dma-buf.c >> +++ b/drivers/dma-buf/dma-buf.c >> @@ -405,8 +405,8 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info) >> || !exp_info->ops->map_dma_buf >> || !exp_info->ops->unmap_dma_buf >> || !exp_info->ops->release >> - || !exp_info->ops->kmap_atomic >> - || !exp_info->ops->kmap >> + || !exp_info->ops->map_atomic >> + || !exp_info->ops->map >> || !exp_info->ops->mmap)) { >> return ERR_PTR(-EINVAL); >> } >> @@ -872,7 +872,7 @@ void *dma_buf_kmap_atomic(struct dma_buf *dmabuf, unsigned long page_num) >> { >> WARN_ON(!dmabuf); >> >> - return dmabuf->ops->kmap_atomic(dmabuf, page_num); >> + return dmabuf->ops->map_atomic(dmabuf, page_num); >> } >> EXPORT_SYMBOL_GPL(dma_buf_kmap_atomic); >> >> @@ -889,8 +889,8 @@ void dma_buf_kunmap_atomic(struct dma_buf *dmabuf, unsigned long page_num, >> { >> WARN_ON(!dmabuf); >> >> - if (dmabuf->ops->kunmap_atomic) >> - dmabuf->ops->kunmap_atomic(dmabuf, page_num, vaddr); >> + if (dmabuf->ops->unmap_atomic) >> + dmabuf->ops->unmap_atomic(dmabuf, page_num, vaddr); >> } >> EXPORT_SYMBOL_GPL(dma_buf_kunmap_atomic); >> >> @@ -907,7 +907,7 @@ void *dma_buf_kmap(struct dma_buf *dmabuf, unsigned long page_num) >> { >> WARN_ON(!dmabuf); >> >> - return dmabuf->ops->kmap(dmabuf, page_num); >> + return dmabuf->ops->map(dmabuf, page_num); >> } >> EXPORT_SYMBOL_GPL(dma_buf_kmap); >> >> @@ -924,8 +924,8 @@ void dma_buf_kunmap(struct dma_buf *dmabuf, unsigned long page_num, >> { >> WARN_ON(!dmabuf); >> >> - if (dmabuf->ops->kunmap) >> - dmabuf->ops->kunmap(dmabuf, page_num, vaddr); >> + if (dmabuf->ops->unmap) >> + dmabuf->ops->unmap(dmabuf, page_num, vaddr); >> } >> EXPORT_SYMBOL_GPL(dma_buf_kunmap); >> >> diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c >> index 1597458..d6c2a5d 100644 >> --- a/drivers/gpu/drm/armada/armada_gem.c >> +++ b/drivers/gpu/drm/armada/armada_gem.c >> @@ -529,10 +529,10 @@ static const struct dma_buf_ops armada_gem_prime_dmabuf_ops = { >> .map_dma_buf = armada_gem_prime_map_dma_buf, >> .unmap_dma_buf = armada_gem_prime_unmap_dma_buf, >> .release = drm_gem_dmabuf_release, >> - .kmap_atomic = armada_gem_dmabuf_no_kmap, >> - .kunmap_atomic = armada_gem_dmabuf_no_kunmap, >> - .kmap = armada_gem_dmabuf_no_kmap, >> - .kunmap = armada_gem_dmabuf_no_kunmap, >> + .map_atomic = armada_gem_dmabuf_no_kmap, >> + .unmap_atomic = armada_gem_dmabuf_no_kunmap, >> + .map = armada_gem_dmabuf_no_kmap, >> + .unmap = armada_gem_dmabuf_no_kunmap, >> .mmap = armada_gem_dmabuf_mmap, >> }; >> >> diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c >> index 9fb65b7..954eb84 100644 >> --- a/drivers/gpu/drm/drm_prime.c >> +++ b/drivers/gpu/drm/drm_prime.c >> @@ -403,10 +403,10 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = { >> .map_dma_buf = drm_gem_map_dma_buf, >> .unmap_dma_buf = drm_gem_unmap_dma_buf, >> .release = drm_gem_dmabuf_release, >> - .kmap = drm_gem_dmabuf_kmap, >> - .kmap_atomic = drm_gem_dmabuf_kmap_atomic, >> - .kunmap = drm_gem_dmabuf_kunmap, >> - .kunmap_atomic = drm_gem_dmabuf_kunmap_atomic, >> + .map = drm_gem_dmabuf_kmap, >> + .map_atomic = drm_gem_dmabuf_kmap_atomic, >> + .unmap = drm_gem_dmabuf_kunmap, >> + .unmap_atomic = drm_gem_dmabuf_kunmap_atomic, >> .mmap = drm_gem_dmabuf_mmap, >> .vmap = drm_gem_dmabuf_vmap, >> .vunmap = drm_gem_dmabuf_vunmap, >> diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c >> index 11898cd..f225bf6 100644 >> --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c >> +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c >> @@ -200,10 +200,10 @@ static const struct dma_buf_ops i915_dmabuf_ops = { >> .map_dma_buf = i915_gem_map_dma_buf, >> .unmap_dma_buf = i915_gem_unmap_dma_buf, >> .release = drm_gem_dmabuf_release, >> - .kmap = i915_gem_dmabuf_kmap, >> - .kmap_atomic = i915_gem_dmabuf_kmap_atomic, >> - .kunmap = i915_gem_dmabuf_kunmap, >> - .kunmap_atomic = i915_gem_dmabuf_kunmap_atomic, >> + .map = i915_gem_dmabuf_kmap, >> + .map_atomic = i915_gem_dmabuf_kmap_atomic, >> + .unmap = i915_gem_dmabuf_kunmap, >> + .unmap_atomic = i915_gem_dmabuf_kunmap_atomic, >> .mmap = i915_gem_dmabuf_mmap, >> .vmap = i915_gem_dmabuf_vmap, >> .vunmap = i915_gem_dmabuf_vunmap, >> diff --git a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >> index 99da8f4..302f7d1 100644 >> --- a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >> +++ b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >> @@ -129,10 +129,10 @@ static const struct dma_buf_ops mock_dmabuf_ops = { >> .map_dma_buf = mock_map_dma_buf, >> .unmap_dma_buf = mock_unmap_dma_buf, >> .release = mock_dmabuf_release, >> - .kmap = mock_dmabuf_kmap, >> - .kmap_atomic = mock_dmabuf_kmap_atomic, >> - .kunmap = mock_dmabuf_kunmap, >> - .kunmap_atomic = mock_dmabuf_kunmap_atomic, >> + .map = mock_dmabuf_kmap, >> + .map_atomic = mock_dmabuf_kmap_atomic, >> + .unmap = mock_dmabuf_kunmap, >> + .unmap_atomic = mock_dmabuf_kunmap_atomic, >> .mmap = mock_dmabuf_mmap, >> .vmap = mock_dmabuf_vmap, >> .vunmap = mock_dmabuf_vunmap, >> diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >> index ee5883f..0dbe030 100644 >> --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >> +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >> @@ -160,10 +160,10 @@ static struct dma_buf_ops omap_dmabuf_ops = { >> .release = omap_gem_dmabuf_release, >> .begin_cpu_access = omap_gem_dmabuf_begin_cpu_access, >> .end_cpu_access = omap_gem_dmabuf_end_cpu_access, >> - .kmap_atomic = omap_gem_dmabuf_kmap_atomic, >> - .kunmap_atomic = omap_gem_dmabuf_kunmap_atomic, >> - .kmap = omap_gem_dmabuf_kmap, >> - .kunmap = omap_gem_dmabuf_kunmap, >> + .map_atomic = omap_gem_dmabuf_kmap_atomic, >> + .unmap_atomic = omap_gem_dmabuf_kunmap_atomic, >> + .map = omap_gem_dmabuf_kmap, >> + .unmap = omap_gem_dmabuf_kunmap, >> .mmap = omap_gem_dmabuf_mmap, >> }; >> >> diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c >> index 17e62ec..8672f5d 100644 >> --- a/drivers/gpu/drm/tegra/gem.c >> +++ b/drivers/gpu/drm/tegra/gem.c >> @@ -619,10 +619,10 @@ static const struct dma_buf_ops tegra_gem_prime_dmabuf_ops = { >> .map_dma_buf = tegra_gem_prime_map_dma_buf, >> .unmap_dma_buf = tegra_gem_prime_unmap_dma_buf, >> .release = tegra_gem_prime_release, >> - .kmap_atomic = tegra_gem_prime_kmap_atomic, >> - .kunmap_atomic = tegra_gem_prime_kunmap_atomic, >> - .kmap = tegra_gem_prime_kmap, >> - .kunmap = tegra_gem_prime_kunmap, >> + .map_atomic = tegra_gem_prime_kmap_atomic, >> + .unmap_atomic = tegra_gem_prime_kunmap_atomic, >> + .map = tegra_gem_prime_kmap, >> + .unmap = tegra_gem_prime_kunmap, >> .mmap = tegra_gem_prime_mmap, >> .vmap = tegra_gem_prime_vmap, >> .vunmap = tegra_gem_prime_vunmap, >> diff --git a/drivers/gpu/drm/udl/udl_dmabuf.c b/drivers/gpu/drm/udl/udl_dmabuf.c >> index ac90ffd..ed0e636 100644 >> --- a/drivers/gpu/drm/udl/udl_dmabuf.c >> +++ b/drivers/gpu/drm/udl/udl_dmabuf.c >> @@ -191,10 +191,10 @@ static struct dma_buf_ops udl_dmabuf_ops = { >> .detach = udl_detach_dma_buf, >> .map_dma_buf = udl_map_dma_buf, >> .unmap_dma_buf = udl_unmap_dma_buf, >> - .kmap = udl_dmabuf_kmap, >> - .kmap_atomic = udl_dmabuf_kmap_atomic, >> - .kunmap = udl_dmabuf_kunmap, >> - .kunmap_atomic = udl_dmabuf_kunmap_atomic, >> + .map = udl_dmabuf_kmap, >> + .map_atomic = udl_dmabuf_kmap_atomic, >> + .unmap = udl_dmabuf_kunmap, >> + .unmap_atomic = udl_dmabuf_kunmap_atomic, >> .mmap = udl_dmabuf_mmap, >> .release = drm_gem_dmabuf_release, >> }; >> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >> index 31fe32d..0d42a46 100644 >> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >> @@ -108,10 +108,10 @@ const struct dma_buf_ops vmw_prime_dmabuf_ops = { >> .map_dma_buf = vmw_prime_map_dma_buf, >> .unmap_dma_buf = vmw_prime_unmap_dma_buf, >> .release = NULL, >> - .kmap = vmw_prime_dmabuf_kmap, >> - .kmap_atomic = vmw_prime_dmabuf_kmap_atomic, >> - .kunmap = vmw_prime_dmabuf_kunmap, >> - .kunmap_atomic = vmw_prime_dmabuf_kunmap_atomic, >> + .map = vmw_prime_dmabuf_kmap, >> + .map_atomic = vmw_prime_dmabuf_kmap_atomic, >> + .unmap = vmw_prime_dmabuf_kunmap, >> + .unmap_atomic = vmw_prime_dmabuf_kunmap_atomic, >> .mmap = vmw_prime_dmabuf_mmap, >> .vmap = vmw_prime_dmabuf_vmap, >> .vunmap = vmw_prime_dmabuf_vunmap, >> diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c >> index fb6a177..2db0413 100644 >> --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c >> +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c >> @@ -356,8 +356,8 @@ static struct dma_buf_ops vb2_dc_dmabuf_ops = { >> .detach = vb2_dc_dmabuf_ops_detach, >> .map_dma_buf = vb2_dc_dmabuf_ops_map, >> .unmap_dma_buf = vb2_dc_dmabuf_ops_unmap, >> - .kmap = vb2_dc_dmabuf_ops_kmap, >> - .kmap_atomic = vb2_dc_dmabuf_ops_kmap, >> + .map = vb2_dc_dmabuf_ops_kmap, >> + .map_atomic = vb2_dc_dmabuf_ops_kmap, >> .vmap = vb2_dc_dmabuf_ops_vmap, >> .mmap = vb2_dc_dmabuf_ops_mmap, >> .release = vb2_dc_dmabuf_ops_release, >> diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c >> index ecff8f4..6fd1343 100644 >> --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c >> +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c >> @@ -504,8 +504,8 @@ static struct dma_buf_ops vb2_dma_sg_dmabuf_ops = { >> .detach = vb2_dma_sg_dmabuf_ops_detach, >> .map_dma_buf = vb2_dma_sg_dmabuf_ops_map, >> .unmap_dma_buf = vb2_dma_sg_dmabuf_ops_unmap, >> - .kmap = vb2_dma_sg_dmabuf_ops_kmap, >> - .kmap_atomic = vb2_dma_sg_dmabuf_ops_kmap, >> + .map = vb2_dma_sg_dmabuf_ops_kmap, >> + .map_atomic = vb2_dma_sg_dmabuf_ops_kmap, >> .vmap = vb2_dma_sg_dmabuf_ops_vmap, >> .mmap = vb2_dma_sg_dmabuf_ops_mmap, >> .release = vb2_dma_sg_dmabuf_ops_release, >> diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c >> index 3f77814..27d1db3 100644 >> --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c >> +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c >> @@ -342,8 +342,8 @@ static struct dma_buf_ops vb2_vmalloc_dmabuf_ops = { >> .detach = vb2_vmalloc_dmabuf_ops_detach, >> .map_dma_buf = vb2_vmalloc_dmabuf_ops_map, >> .unmap_dma_buf = vb2_vmalloc_dmabuf_ops_unmap, >> - .kmap = vb2_vmalloc_dmabuf_ops_kmap, >> - .kmap_atomic = vb2_vmalloc_dmabuf_ops_kmap, >> + .map = vb2_vmalloc_dmabuf_ops_kmap, >> + .map_atomic = vb2_vmalloc_dmabuf_ops_kmap, >> .vmap = vb2_vmalloc_dmabuf_ops_vmap, >> .mmap = vb2_vmalloc_dmabuf_ops_mmap, >> .release = vb2_vmalloc_dmabuf_ops_release, >> diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c >> index f45115f..95a7f16 100644 >> --- a/drivers/staging/android/ion/ion.c >> +++ b/drivers/staging/android/ion/ion.c >> @@ -1020,10 +1020,10 @@ static const struct dma_buf_ops dma_buf_ops = { >> .release = ion_dma_buf_release, >> .begin_cpu_access = ion_dma_buf_begin_cpu_access, >> .end_cpu_access = ion_dma_buf_end_cpu_access, >> - .kmap_atomic = ion_dma_buf_kmap, >> - .kunmap_atomic = ion_dma_buf_kunmap, >> - .kmap = ion_dma_buf_kmap, >> - .kunmap = ion_dma_buf_kunmap, >> + .map_atomic = ion_dma_buf_kmap, >> + .unmap_atomic = ion_dma_buf_kunmap, >> + .map = ion_dma_buf_kmap, >> + .unmap = ion_dma_buf_kunmap, >> }; >> >> struct dma_buf *ion_share_dma_buf(struct ion_client *client, >> diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h >> index bfb3704..79f27d6 100644 >> --- a/include/linux/dma-buf.h >> +++ b/include/linux/dma-buf.h >> @@ -39,13 +39,13 @@ struct dma_buf_attachment; >> >> /** >> * struct dma_buf_ops - operations possible on struct dma_buf >> - * @kmap_atomic: maps a page from the buffer into kernel address >> - * space, users may not block until the subsequent unmap call. >> - * This callback must not sleep. >> - * @kunmap_atomic: [optional] unmaps a atomically mapped page from the buffer. >> - * This Callback must not sleep. >> - * @kmap: maps a page from the buffer into kernel address space. >> - * @kunmap: [optional] unmaps a page from the buffer. >> + * @map_atomic: maps a page from the buffer into kernel address >> + * space, users may not block until the subsequent unmap call. >> + * This callback must not sleep. >> + * @unmap_atomic: [optional] unmaps a atomically mapped page from the buffer. >> + * This Callback must not sleep. >> + * @map: maps a page from the buffer into kernel address space. >> + * @unmap: [optional] unmaps a page from the buffer. >> * @vmap: [optional] creates a virtual mapping for the buffer into kernel >> * address space. Same restrictions as for vmap and friends apply. >> * @vunmap: [optional] unmaps a vmap from the buffer >> @@ -206,10 +206,10 @@ struct dma_buf_ops { >> * to be restarted. >> */ >> int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction); >> - void *(*kmap_atomic)(struct dma_buf *, unsigned long); >> - void (*kunmap_atomic)(struct dma_buf *, unsigned long, void *); >> - void *(*kmap)(struct dma_buf *, unsigned long); >> - void (*kunmap)(struct dma_buf *, unsigned long, void *); >> + void *(*map_atomic)(struct dma_buf *, unsigned long); >> + void (*unmap_atomic)(struct dma_buf *, unsigned long, void *); >> + void *(*map)(struct dma_buf *, unsigned long); >> + void (*unmap)(struct dma_buf *, unsigned long, void *); >> >> /** >> * @mmap: Best regards
Hi Marek, Thanks! On 20 April 2017 at 13:36, Marek Szyprowski <m.szyprowski@samsung.com> wrote: > Hi All, > > On 2017-04-20 09:51, Daniel Vetter wrote: >> >> On Wed, Apr 19, 2017 at 01:36:10PM -0600, Logan Gunthorpe wrote: >>> >>> Seeing the kunmap_atomic dma_buf_ops share the same name with a macro >>> in highmem.h, the former can be aliased if any dma-buf user includes >>> that header. >>> >>> I'm personally trying to include highmem.h inside scatterlist.h and this >>> breaks the dma-buf code proper. >>> >>> Christoph Hellwig suggested [1] renaming it and pushing this patch ASAP. >>> >>> To maintain consistency I've renamed all four of kmap* and kunmap* to be >>> map* and unmap*. (Even though only kmap_atomic presently conflicts.) >>> >>> [1] https://www.spinics.net/lists/target-devel/msg15070.html >>> >>> Signed-off-by: Logan Gunthorpe <logang@deltatee.com> >>> Reviewed-by: Sinclair Yeh <syeh@vmware.com> >> >> Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch> >> >> Probably simplest if we pull this in through the drm-misc tree for 4.12. >> Can we have an ack for the v4l side for that pls? > > > For the V4L2/videobuf2: > Acked-by: Marek Szyprowski <m.szyprowski@samsung.com> > I will queue it up for drm-misc-fixes so it gets into 4.12. > > >> Thanks, Daniel Best, Sumit. >>> >>> --- >>> >>> Changes since v1: >>> >>> - Added the missing tegra driver (noticed by kbuild robot) >>> - Rebased off of drm-intel-next to get the i915 selftest that is new >>> - Fixed nits Sinclair pointed out. >>> >>> drivers/dma-buf/dma-buf.c | 16 ++++++++-------- >>> drivers/gpu/drm/armada/armada_gem.c | 8 ++++---- >>> drivers/gpu/drm/drm_prime.c | 8 ++++---- >>> drivers/gpu/drm/i915/i915_gem_dmabuf.c | 8 ++++---- >>> drivers/gpu/drm/i915/selftests/mock_dmabuf.c | 8 ++++---- >>> drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c | 8 ++++---- >>> drivers/gpu/drm/tegra/gem.c | 8 ++++---- >>> drivers/gpu/drm/udl/udl_dmabuf.c | 8 ++++---- >>> drivers/gpu/drm/vmwgfx/vmwgfx_prime.c | 8 ++++---- >>> drivers/media/v4l2-core/videobuf2-dma-contig.c | 4 ++-- >>> drivers/media/v4l2-core/videobuf2-dma-sg.c | 4 ++-- >>> drivers/media/v4l2-core/videobuf2-vmalloc.c | 4 ++-- >>> drivers/staging/android/ion/ion.c | 8 ++++---- >>> include/linux/dma-buf.h | 22 >>> +++++++++++----------- >>> 14 files changed, 61 insertions(+), 61 deletions(-) >>> >>> diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c >>> index f72aaac..512bdbc 100644 >>> --- a/drivers/dma-buf/dma-buf.c >>> +++ b/drivers/dma-buf/dma-buf.c >>> @@ -405,8 +405,8 @@ struct dma_buf *dma_buf_export(const struct >>> dma_buf_export_info *exp_info) >>> || !exp_info->ops->map_dma_buf >>> || !exp_info->ops->unmap_dma_buf >>> || !exp_info->ops->release >>> - || !exp_info->ops->kmap_atomic >>> - || !exp_info->ops->kmap >>> + || !exp_info->ops->map_atomic >>> + || !exp_info->ops->map >>> || !exp_info->ops->mmap)) { >>> return ERR_PTR(-EINVAL); >>> } >>> @@ -872,7 +872,7 @@ void *dma_buf_kmap_atomic(struct dma_buf *dmabuf, >>> unsigned long page_num) >>> { >>> WARN_ON(!dmabuf); >>> >>> - return dmabuf->ops->kmap_atomic(dmabuf, page_num); >>> + return dmabuf->ops->map_atomic(dmabuf, page_num); >>> } >>> EXPORT_SYMBOL_GPL(dma_buf_kmap_atomic); >>> >>> @@ -889,8 +889,8 @@ void dma_buf_kunmap_atomic(struct dma_buf *dmabuf, >>> unsigned long page_num, >>> { >>> WARN_ON(!dmabuf); >>> >>> - if (dmabuf->ops->kunmap_atomic) >>> - dmabuf->ops->kunmap_atomic(dmabuf, page_num, vaddr); >>> + if (dmabuf->ops->unmap_atomic) >>> + dmabuf->ops->unmap_atomic(dmabuf, page_num, vaddr); >>> } >>> EXPORT_SYMBOL_GPL(dma_buf_kunmap_atomic); >>> >>> @@ -907,7 +907,7 @@ void *dma_buf_kmap(struct dma_buf *dmabuf, unsigned >>> long page_num) >>> { >>> WARN_ON(!dmabuf); >>> >>> - return dmabuf->ops->kmap(dmabuf, page_num); >>> + return dmabuf->ops->map(dmabuf, page_num); >>> } >>> EXPORT_SYMBOL_GPL(dma_buf_kmap); >>> >>> @@ -924,8 +924,8 @@ void dma_buf_kunmap(struct dma_buf *dmabuf, unsigned >>> long page_num, >>> { >>> WARN_ON(!dmabuf); >>> >>> - if (dmabuf->ops->kunmap) >>> - dmabuf->ops->kunmap(dmabuf, page_num, vaddr); >>> + if (dmabuf->ops->unmap) >>> + dmabuf->ops->unmap(dmabuf, page_num, vaddr); >>> } >>> EXPORT_SYMBOL_GPL(dma_buf_kunmap); >>> >>> diff --git a/drivers/gpu/drm/armada/armada_gem.c >>> b/drivers/gpu/drm/armada/armada_gem.c >>> index 1597458..d6c2a5d 100644 >>> --- a/drivers/gpu/drm/armada/armada_gem.c >>> +++ b/drivers/gpu/drm/armada/armada_gem.c >>> @@ -529,10 +529,10 @@ static const struct dma_buf_ops >>> armada_gem_prime_dmabuf_ops = { >>> .map_dma_buf = armada_gem_prime_map_dma_buf, >>> .unmap_dma_buf = armada_gem_prime_unmap_dma_buf, >>> .release = drm_gem_dmabuf_release, >>> - .kmap_atomic = armada_gem_dmabuf_no_kmap, >>> - .kunmap_atomic = armada_gem_dmabuf_no_kunmap, >>> - .kmap = armada_gem_dmabuf_no_kmap, >>> - .kunmap = armada_gem_dmabuf_no_kunmap, >>> + .map_atomic = armada_gem_dmabuf_no_kmap, >>> + .unmap_atomic = armada_gem_dmabuf_no_kunmap, >>> + .map = armada_gem_dmabuf_no_kmap, >>> + .unmap = armada_gem_dmabuf_no_kunmap, >>> .mmap = armada_gem_dmabuf_mmap, >>> }; >>> >>> diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c >>> index 9fb65b7..954eb84 100644 >>> --- a/drivers/gpu/drm/drm_prime.c >>> +++ b/drivers/gpu/drm/drm_prime.c >>> @@ -403,10 +403,10 @@ static const struct dma_buf_ops >>> drm_gem_prime_dmabuf_ops = { >>> .map_dma_buf = drm_gem_map_dma_buf, >>> .unmap_dma_buf = drm_gem_unmap_dma_buf, >>> .release = drm_gem_dmabuf_release, >>> - .kmap = drm_gem_dmabuf_kmap, >>> - .kmap_atomic = drm_gem_dmabuf_kmap_atomic, >>> - .kunmap = drm_gem_dmabuf_kunmap, >>> - .kunmap_atomic = drm_gem_dmabuf_kunmap_atomic, >>> + .map = drm_gem_dmabuf_kmap, >>> + .map_atomic = drm_gem_dmabuf_kmap_atomic, >>> + .unmap = drm_gem_dmabuf_kunmap, >>> + .unmap_atomic = drm_gem_dmabuf_kunmap_atomic, >>> .mmap = drm_gem_dmabuf_mmap, >>> .vmap = drm_gem_dmabuf_vmap, >>> .vunmap = drm_gem_dmabuf_vunmap, >>> diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c >>> b/drivers/gpu/drm/i915/i915_gem_dmabuf.c >>> index 11898cd..f225bf6 100644 >>> --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c >>> +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c >>> @@ -200,10 +200,10 @@ static const struct dma_buf_ops i915_dmabuf_ops = >>> { >>> .map_dma_buf = i915_gem_map_dma_buf, >>> .unmap_dma_buf = i915_gem_unmap_dma_buf, >>> .release = drm_gem_dmabuf_release, >>> - .kmap = i915_gem_dmabuf_kmap, >>> - .kmap_atomic = i915_gem_dmabuf_kmap_atomic, >>> - .kunmap = i915_gem_dmabuf_kunmap, >>> - .kunmap_atomic = i915_gem_dmabuf_kunmap_atomic, >>> + .map = i915_gem_dmabuf_kmap, >>> + .map_atomic = i915_gem_dmabuf_kmap_atomic, >>> + .unmap = i915_gem_dmabuf_kunmap, >>> + .unmap_atomic = i915_gem_dmabuf_kunmap_atomic, >>> .mmap = i915_gem_dmabuf_mmap, >>> .vmap = i915_gem_dmabuf_vmap, >>> .vunmap = i915_gem_dmabuf_vunmap, >>> diff --git a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >>> b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >>> index 99da8f4..302f7d1 100644 >>> --- a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >>> +++ b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c >>> @@ -129,10 +129,10 @@ static const struct dma_buf_ops mock_dmabuf_ops = >>> { >>> .map_dma_buf = mock_map_dma_buf, >>> .unmap_dma_buf = mock_unmap_dma_buf, >>> .release = mock_dmabuf_release, >>> - .kmap = mock_dmabuf_kmap, >>> - .kmap_atomic = mock_dmabuf_kmap_atomic, >>> - .kunmap = mock_dmabuf_kunmap, >>> - .kunmap_atomic = mock_dmabuf_kunmap_atomic, >>> + .map = mock_dmabuf_kmap, >>> + .map_atomic = mock_dmabuf_kmap_atomic, >>> + .unmap = mock_dmabuf_kunmap, >>> + .unmap_atomic = mock_dmabuf_kunmap_atomic, >>> .mmap = mock_dmabuf_mmap, >>> .vmap = mock_dmabuf_vmap, >>> .vunmap = mock_dmabuf_vunmap, >>> diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >>> b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >>> index ee5883f..0dbe030 100644 >>> --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >>> +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c >>> @@ -160,10 +160,10 @@ static struct dma_buf_ops omap_dmabuf_ops = { >>> .release = omap_gem_dmabuf_release, >>> .begin_cpu_access = omap_gem_dmabuf_begin_cpu_access, >>> .end_cpu_access = omap_gem_dmabuf_end_cpu_access, >>> - .kmap_atomic = omap_gem_dmabuf_kmap_atomic, >>> - .kunmap_atomic = omap_gem_dmabuf_kunmap_atomic, >>> - .kmap = omap_gem_dmabuf_kmap, >>> - .kunmap = omap_gem_dmabuf_kunmap, >>> + .map_atomic = omap_gem_dmabuf_kmap_atomic, >>> + .unmap_atomic = omap_gem_dmabuf_kunmap_atomic, >>> + .map = omap_gem_dmabuf_kmap, >>> + .unmap = omap_gem_dmabuf_kunmap, >>> .mmap = omap_gem_dmabuf_mmap, >>> }; >>> >>> diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c >>> index 17e62ec..8672f5d 100644 >>> --- a/drivers/gpu/drm/tegra/gem.c >>> +++ b/drivers/gpu/drm/tegra/gem.c >>> @@ -619,10 +619,10 @@ static const struct dma_buf_ops >>> tegra_gem_prime_dmabuf_ops = { >>> .map_dma_buf = tegra_gem_prime_map_dma_buf, >>> .unmap_dma_buf = tegra_gem_prime_unmap_dma_buf, >>> .release = tegra_gem_prime_release, >>> - .kmap_atomic = tegra_gem_prime_kmap_atomic, >>> - .kunmap_atomic = tegra_gem_prime_kunmap_atomic, >>> - .kmap = tegra_gem_prime_kmap, >>> - .kunmap = tegra_gem_prime_kunmap, >>> + .map_atomic = tegra_gem_prime_kmap_atomic, >>> + .unmap_atomic = tegra_gem_prime_kunmap_atomic, >>> + .map = tegra_gem_prime_kmap, >>> + .unmap = tegra_gem_prime_kunmap, >>> .mmap = tegra_gem_prime_mmap, >>> .vmap = tegra_gem_prime_vmap, >>> .vunmap = tegra_gem_prime_vunmap, >>> diff --git a/drivers/gpu/drm/udl/udl_dmabuf.c >>> b/drivers/gpu/drm/udl/udl_dmabuf.c >>> index ac90ffd..ed0e636 100644 >>> --- a/drivers/gpu/drm/udl/udl_dmabuf.c >>> +++ b/drivers/gpu/drm/udl/udl_dmabuf.c >>> @@ -191,10 +191,10 @@ static struct dma_buf_ops udl_dmabuf_ops = { >>> .detach = udl_detach_dma_buf, >>> .map_dma_buf = udl_map_dma_buf, >>> .unmap_dma_buf = udl_unmap_dma_buf, >>> - .kmap = udl_dmabuf_kmap, >>> - .kmap_atomic = udl_dmabuf_kmap_atomic, >>> - .kunmap = udl_dmabuf_kunmap, >>> - .kunmap_atomic = udl_dmabuf_kunmap_atomic, >>> + .map = udl_dmabuf_kmap, >>> + .map_atomic = udl_dmabuf_kmap_atomic, >>> + .unmap = udl_dmabuf_kunmap, >>> + .unmap_atomic = udl_dmabuf_kunmap_atomic, >>> .mmap = udl_dmabuf_mmap, >>> .release = drm_gem_dmabuf_release, >>> }; >>> diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >>> b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >>> index 31fe32d..0d42a46 100644 >>> --- a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >>> +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c >>> @@ -108,10 +108,10 @@ const struct dma_buf_ops vmw_prime_dmabuf_ops = { >>> .map_dma_buf = vmw_prime_map_dma_buf, >>> .unmap_dma_buf = vmw_prime_unmap_dma_buf, >>> .release = NULL, >>> - .kmap = vmw_prime_dmabuf_kmap, >>> - .kmap_atomic = vmw_prime_dmabuf_kmap_atomic, >>> - .kunmap = vmw_prime_dmabuf_kunmap, >>> - .kunmap_atomic = vmw_prime_dmabuf_kunmap_atomic, >>> + .map = vmw_prime_dmabuf_kmap, >>> + .map_atomic = vmw_prime_dmabuf_kmap_atomic, >>> + .unmap = vmw_prime_dmabuf_kunmap, >>> + .unmap_atomic = vmw_prime_dmabuf_kunmap_atomic, >>> .mmap = vmw_prime_dmabuf_mmap, >>> .vmap = vmw_prime_dmabuf_vmap, >>> .vunmap = vmw_prime_dmabuf_vunmap, >>> diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c >>> b/drivers/media/v4l2-core/videobuf2-dma-contig.c >>> index fb6a177..2db0413 100644 >>> --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c >>> +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c >>> @@ -356,8 +356,8 @@ static struct dma_buf_ops vb2_dc_dmabuf_ops = { >>> .detach = vb2_dc_dmabuf_ops_detach, >>> .map_dma_buf = vb2_dc_dmabuf_ops_map, >>> .unmap_dma_buf = vb2_dc_dmabuf_ops_unmap, >>> - .kmap = vb2_dc_dmabuf_ops_kmap, >>> - .kmap_atomic = vb2_dc_dmabuf_ops_kmap, >>> + .map = vb2_dc_dmabuf_ops_kmap, >>> + .map_atomic = vb2_dc_dmabuf_ops_kmap, >>> .vmap = vb2_dc_dmabuf_ops_vmap, >>> .mmap = vb2_dc_dmabuf_ops_mmap, >>> .release = vb2_dc_dmabuf_ops_release, >>> diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c >>> b/drivers/media/v4l2-core/videobuf2-dma-sg.c >>> index ecff8f4..6fd1343 100644 >>> --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c >>> +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c >>> @@ -504,8 +504,8 @@ static struct dma_buf_ops vb2_dma_sg_dmabuf_ops = { >>> .detach = vb2_dma_sg_dmabuf_ops_detach, >>> .map_dma_buf = vb2_dma_sg_dmabuf_ops_map, >>> .unmap_dma_buf = vb2_dma_sg_dmabuf_ops_unmap, >>> - .kmap = vb2_dma_sg_dmabuf_ops_kmap, >>> - .kmap_atomic = vb2_dma_sg_dmabuf_ops_kmap, >>> + .map = vb2_dma_sg_dmabuf_ops_kmap, >>> + .map_atomic = vb2_dma_sg_dmabuf_ops_kmap, >>> .vmap = vb2_dma_sg_dmabuf_ops_vmap, >>> .mmap = vb2_dma_sg_dmabuf_ops_mmap, >>> .release = vb2_dma_sg_dmabuf_ops_release, >>> diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c >>> b/drivers/media/v4l2-core/videobuf2-vmalloc.c >>> index 3f77814..27d1db3 100644 >>> --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c >>> +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c >>> @@ -342,8 +342,8 @@ static struct dma_buf_ops vb2_vmalloc_dmabuf_ops = { >>> .detach = vb2_vmalloc_dmabuf_ops_detach, >>> .map_dma_buf = vb2_vmalloc_dmabuf_ops_map, >>> .unmap_dma_buf = vb2_vmalloc_dmabuf_ops_unmap, >>> - .kmap = vb2_vmalloc_dmabuf_ops_kmap, >>> - .kmap_atomic = vb2_vmalloc_dmabuf_ops_kmap, >>> + .map = vb2_vmalloc_dmabuf_ops_kmap, >>> + .map_atomic = vb2_vmalloc_dmabuf_ops_kmap, >>> .vmap = vb2_vmalloc_dmabuf_ops_vmap, >>> .mmap = vb2_vmalloc_dmabuf_ops_mmap, >>> .release = vb2_vmalloc_dmabuf_ops_release, >>> diff --git a/drivers/staging/android/ion/ion.c >>> b/drivers/staging/android/ion/ion.c >>> index f45115f..95a7f16 100644 >>> --- a/drivers/staging/android/ion/ion.c >>> +++ b/drivers/staging/android/ion/ion.c >>> @@ -1020,10 +1020,10 @@ static const struct dma_buf_ops dma_buf_ops = { >>> .release = ion_dma_buf_release, >>> .begin_cpu_access = ion_dma_buf_begin_cpu_access, >>> .end_cpu_access = ion_dma_buf_end_cpu_access, >>> - .kmap_atomic = ion_dma_buf_kmap, >>> - .kunmap_atomic = ion_dma_buf_kunmap, >>> - .kmap = ion_dma_buf_kmap, >>> - .kunmap = ion_dma_buf_kunmap, >>> + .map_atomic = ion_dma_buf_kmap, >>> + .unmap_atomic = ion_dma_buf_kunmap, >>> + .map = ion_dma_buf_kmap, >>> + .unmap = ion_dma_buf_kunmap, >>> }; >>> >>> struct dma_buf *ion_share_dma_buf(struct ion_client *client, >>> diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h >>> index bfb3704..79f27d6 100644 >>> --- a/include/linux/dma-buf.h >>> +++ b/include/linux/dma-buf.h >>> @@ -39,13 +39,13 @@ struct dma_buf_attachment; >>> >>> /** >>> * struct dma_buf_ops - operations possible on struct dma_buf >>> - * @kmap_atomic: maps a page from the buffer into kernel address >>> - * space, users may not block until the subsequent unmap >>> call. >>> - * This callback must not sleep. >>> - * @kunmap_atomic: [optional] unmaps a atomically mapped page from the >>> buffer. >>> - * This Callback must not sleep. >>> - * @kmap: maps a page from the buffer into kernel address space. >>> - * @kunmap: [optional] unmaps a page from the buffer. >>> + * @map_atomic: maps a page from the buffer into kernel address >>> + * space, users may not block until the subsequent unmap >>> call. >>> + * This callback must not sleep. >>> + * @unmap_atomic: [optional] unmaps a atomically mapped page from the >>> buffer. >>> + * This Callback must not sleep. >>> + * @map: maps a page from the buffer into kernel address space. >>> + * @unmap: [optional] unmaps a page from the buffer. >>> * @vmap: [optional] creates a virtual mapping for the buffer into >>> kernel >>> * address space. Same restrictions as for vmap and friends apply. >>> * @vunmap: [optional] unmaps a vmap from the buffer >>> @@ -206,10 +206,10 @@ struct dma_buf_ops { >>> * to be restarted. >>> */ >>> int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction); >>> - void *(*kmap_atomic)(struct dma_buf *, unsigned long); >>> - void (*kunmap_atomic)(struct dma_buf *, unsigned long, void *); >>> - void *(*kmap)(struct dma_buf *, unsigned long); >>> - void (*kunmap)(struct dma_buf *, unsigned long, void *); >>> + void *(*map_atomic)(struct dma_buf *, unsigned long); >>> + void (*unmap_atomic)(struct dma_buf *, unsigned long, void *); >>> + void *(*map)(struct dma_buf *, unsigned long); >>> + void (*unmap)(struct dma_buf *, unsigned long, void *); >>> >>> /** >>> * @mmap: > > > Best regards > -- > Marek Szyprowski, PhD > Samsung R&D Institute Poland >
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index f72aaac..512bdbc 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -405,8 +405,8 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info) || !exp_info->ops->map_dma_buf || !exp_info->ops->unmap_dma_buf || !exp_info->ops->release - || !exp_info->ops->kmap_atomic - || !exp_info->ops->kmap + || !exp_info->ops->map_atomic + || !exp_info->ops->map || !exp_info->ops->mmap)) { return ERR_PTR(-EINVAL); } @@ -872,7 +872,7 @@ void *dma_buf_kmap_atomic(struct dma_buf *dmabuf, unsigned long page_num) { WARN_ON(!dmabuf); - return dmabuf->ops->kmap_atomic(dmabuf, page_num); + return dmabuf->ops->map_atomic(dmabuf, page_num); } EXPORT_SYMBOL_GPL(dma_buf_kmap_atomic); @@ -889,8 +889,8 @@ void dma_buf_kunmap_atomic(struct dma_buf *dmabuf, unsigned long page_num, { WARN_ON(!dmabuf); - if (dmabuf->ops->kunmap_atomic) - dmabuf->ops->kunmap_atomic(dmabuf, page_num, vaddr); + if (dmabuf->ops->unmap_atomic) + dmabuf->ops->unmap_atomic(dmabuf, page_num, vaddr); } EXPORT_SYMBOL_GPL(dma_buf_kunmap_atomic); @@ -907,7 +907,7 @@ void *dma_buf_kmap(struct dma_buf *dmabuf, unsigned long page_num) { WARN_ON(!dmabuf); - return dmabuf->ops->kmap(dmabuf, page_num); + return dmabuf->ops->map(dmabuf, page_num); } EXPORT_SYMBOL_GPL(dma_buf_kmap); @@ -924,8 +924,8 @@ void dma_buf_kunmap(struct dma_buf *dmabuf, unsigned long page_num, { WARN_ON(!dmabuf); - if (dmabuf->ops->kunmap) - dmabuf->ops->kunmap(dmabuf, page_num, vaddr); + if (dmabuf->ops->unmap) + dmabuf->ops->unmap(dmabuf, page_num, vaddr); } EXPORT_SYMBOL_GPL(dma_buf_kunmap); diff --git a/drivers/gpu/drm/armada/armada_gem.c b/drivers/gpu/drm/armada/armada_gem.c index 1597458..d6c2a5d 100644 --- a/drivers/gpu/drm/armada/armada_gem.c +++ b/drivers/gpu/drm/armada/armada_gem.c @@ -529,10 +529,10 @@ static const struct dma_buf_ops armada_gem_prime_dmabuf_ops = { .map_dma_buf = armada_gem_prime_map_dma_buf, .unmap_dma_buf = armada_gem_prime_unmap_dma_buf, .release = drm_gem_dmabuf_release, - .kmap_atomic = armada_gem_dmabuf_no_kmap, - .kunmap_atomic = armada_gem_dmabuf_no_kunmap, - .kmap = armada_gem_dmabuf_no_kmap, - .kunmap = armada_gem_dmabuf_no_kunmap, + .map_atomic = armada_gem_dmabuf_no_kmap, + .unmap_atomic = armada_gem_dmabuf_no_kunmap, + .map = armada_gem_dmabuf_no_kmap, + .unmap = armada_gem_dmabuf_no_kunmap, .mmap = armada_gem_dmabuf_mmap, }; diff --git a/drivers/gpu/drm/drm_prime.c b/drivers/gpu/drm/drm_prime.c index 9fb65b7..954eb84 100644 --- a/drivers/gpu/drm/drm_prime.c +++ b/drivers/gpu/drm/drm_prime.c @@ -403,10 +403,10 @@ static const struct dma_buf_ops drm_gem_prime_dmabuf_ops = { .map_dma_buf = drm_gem_map_dma_buf, .unmap_dma_buf = drm_gem_unmap_dma_buf, .release = drm_gem_dmabuf_release, - .kmap = drm_gem_dmabuf_kmap, - .kmap_atomic = drm_gem_dmabuf_kmap_atomic, - .kunmap = drm_gem_dmabuf_kunmap, - .kunmap_atomic = drm_gem_dmabuf_kunmap_atomic, + .map = drm_gem_dmabuf_kmap, + .map_atomic = drm_gem_dmabuf_kmap_atomic, + .unmap = drm_gem_dmabuf_kunmap, + .unmap_atomic = drm_gem_dmabuf_kunmap_atomic, .mmap = drm_gem_dmabuf_mmap, .vmap = drm_gem_dmabuf_vmap, .vunmap = drm_gem_dmabuf_vunmap, diff --git a/drivers/gpu/drm/i915/i915_gem_dmabuf.c b/drivers/gpu/drm/i915/i915_gem_dmabuf.c index 11898cd..f225bf6 100644 --- a/drivers/gpu/drm/i915/i915_gem_dmabuf.c +++ b/drivers/gpu/drm/i915/i915_gem_dmabuf.c @@ -200,10 +200,10 @@ static const struct dma_buf_ops i915_dmabuf_ops = { .map_dma_buf = i915_gem_map_dma_buf, .unmap_dma_buf = i915_gem_unmap_dma_buf, .release = drm_gem_dmabuf_release, - .kmap = i915_gem_dmabuf_kmap, - .kmap_atomic = i915_gem_dmabuf_kmap_atomic, - .kunmap = i915_gem_dmabuf_kunmap, - .kunmap_atomic = i915_gem_dmabuf_kunmap_atomic, + .map = i915_gem_dmabuf_kmap, + .map_atomic = i915_gem_dmabuf_kmap_atomic, + .unmap = i915_gem_dmabuf_kunmap, + .unmap_atomic = i915_gem_dmabuf_kunmap_atomic, .mmap = i915_gem_dmabuf_mmap, .vmap = i915_gem_dmabuf_vmap, .vunmap = i915_gem_dmabuf_vunmap, diff --git a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c index 99da8f4..302f7d1 100644 --- a/drivers/gpu/drm/i915/selftests/mock_dmabuf.c +++ b/drivers/gpu/drm/i915/selftests/mock_dmabuf.c @@ -129,10 +129,10 @@ static const struct dma_buf_ops mock_dmabuf_ops = { .map_dma_buf = mock_map_dma_buf, .unmap_dma_buf = mock_unmap_dma_buf, .release = mock_dmabuf_release, - .kmap = mock_dmabuf_kmap, - .kmap_atomic = mock_dmabuf_kmap_atomic, - .kunmap = mock_dmabuf_kunmap, - .kunmap_atomic = mock_dmabuf_kunmap_atomic, + .map = mock_dmabuf_kmap, + .map_atomic = mock_dmabuf_kmap_atomic, + .unmap = mock_dmabuf_kunmap, + .unmap_atomic = mock_dmabuf_kunmap_atomic, .mmap = mock_dmabuf_mmap, .vmap = mock_dmabuf_vmap, .vunmap = mock_dmabuf_vunmap, diff --git a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c index ee5883f..0dbe030 100644 --- a/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c +++ b/drivers/gpu/drm/omapdrm/omap_gem_dmabuf.c @@ -160,10 +160,10 @@ static struct dma_buf_ops omap_dmabuf_ops = { .release = omap_gem_dmabuf_release, .begin_cpu_access = omap_gem_dmabuf_begin_cpu_access, .end_cpu_access = omap_gem_dmabuf_end_cpu_access, - .kmap_atomic = omap_gem_dmabuf_kmap_atomic, - .kunmap_atomic = omap_gem_dmabuf_kunmap_atomic, - .kmap = omap_gem_dmabuf_kmap, - .kunmap = omap_gem_dmabuf_kunmap, + .map_atomic = omap_gem_dmabuf_kmap_atomic, + .unmap_atomic = omap_gem_dmabuf_kunmap_atomic, + .map = omap_gem_dmabuf_kmap, + .unmap = omap_gem_dmabuf_kunmap, .mmap = omap_gem_dmabuf_mmap, }; diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c index 17e62ec..8672f5d 100644 --- a/drivers/gpu/drm/tegra/gem.c +++ b/drivers/gpu/drm/tegra/gem.c @@ -619,10 +619,10 @@ static const struct dma_buf_ops tegra_gem_prime_dmabuf_ops = { .map_dma_buf = tegra_gem_prime_map_dma_buf, .unmap_dma_buf = tegra_gem_prime_unmap_dma_buf, .release = tegra_gem_prime_release, - .kmap_atomic = tegra_gem_prime_kmap_atomic, - .kunmap_atomic = tegra_gem_prime_kunmap_atomic, - .kmap = tegra_gem_prime_kmap, - .kunmap = tegra_gem_prime_kunmap, + .map_atomic = tegra_gem_prime_kmap_atomic, + .unmap_atomic = tegra_gem_prime_kunmap_atomic, + .map = tegra_gem_prime_kmap, + .unmap = tegra_gem_prime_kunmap, .mmap = tegra_gem_prime_mmap, .vmap = tegra_gem_prime_vmap, .vunmap = tegra_gem_prime_vunmap, diff --git a/drivers/gpu/drm/udl/udl_dmabuf.c b/drivers/gpu/drm/udl/udl_dmabuf.c index ac90ffd..ed0e636 100644 --- a/drivers/gpu/drm/udl/udl_dmabuf.c +++ b/drivers/gpu/drm/udl/udl_dmabuf.c @@ -191,10 +191,10 @@ static struct dma_buf_ops udl_dmabuf_ops = { .detach = udl_detach_dma_buf, .map_dma_buf = udl_map_dma_buf, .unmap_dma_buf = udl_unmap_dma_buf, - .kmap = udl_dmabuf_kmap, - .kmap_atomic = udl_dmabuf_kmap_atomic, - .kunmap = udl_dmabuf_kunmap, - .kunmap_atomic = udl_dmabuf_kunmap_atomic, + .map = udl_dmabuf_kmap, + .map_atomic = udl_dmabuf_kmap_atomic, + .unmap = udl_dmabuf_kunmap, + .unmap_atomic = udl_dmabuf_kunmap_atomic, .mmap = udl_dmabuf_mmap, .release = drm_gem_dmabuf_release, }; diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c index 31fe32d..0d42a46 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_prime.c @@ -108,10 +108,10 @@ const struct dma_buf_ops vmw_prime_dmabuf_ops = { .map_dma_buf = vmw_prime_map_dma_buf, .unmap_dma_buf = vmw_prime_unmap_dma_buf, .release = NULL, - .kmap = vmw_prime_dmabuf_kmap, - .kmap_atomic = vmw_prime_dmabuf_kmap_atomic, - .kunmap = vmw_prime_dmabuf_kunmap, - .kunmap_atomic = vmw_prime_dmabuf_kunmap_atomic, + .map = vmw_prime_dmabuf_kmap, + .map_atomic = vmw_prime_dmabuf_kmap_atomic, + .unmap = vmw_prime_dmabuf_kunmap, + .unmap_atomic = vmw_prime_dmabuf_kunmap_atomic, .mmap = vmw_prime_dmabuf_mmap, .vmap = vmw_prime_dmabuf_vmap, .vunmap = vmw_prime_dmabuf_vunmap, diff --git a/drivers/media/v4l2-core/videobuf2-dma-contig.c b/drivers/media/v4l2-core/videobuf2-dma-contig.c index fb6a177..2db0413 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-contig.c +++ b/drivers/media/v4l2-core/videobuf2-dma-contig.c @@ -356,8 +356,8 @@ static struct dma_buf_ops vb2_dc_dmabuf_ops = { .detach = vb2_dc_dmabuf_ops_detach, .map_dma_buf = vb2_dc_dmabuf_ops_map, .unmap_dma_buf = vb2_dc_dmabuf_ops_unmap, - .kmap = vb2_dc_dmabuf_ops_kmap, - .kmap_atomic = vb2_dc_dmabuf_ops_kmap, + .map = vb2_dc_dmabuf_ops_kmap, + .map_atomic = vb2_dc_dmabuf_ops_kmap, .vmap = vb2_dc_dmabuf_ops_vmap, .mmap = vb2_dc_dmabuf_ops_mmap, .release = vb2_dc_dmabuf_ops_release, diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c index ecff8f4..6fd1343 100644 --- a/drivers/media/v4l2-core/videobuf2-dma-sg.c +++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c @@ -504,8 +504,8 @@ static struct dma_buf_ops vb2_dma_sg_dmabuf_ops = { .detach = vb2_dma_sg_dmabuf_ops_detach, .map_dma_buf = vb2_dma_sg_dmabuf_ops_map, .unmap_dma_buf = vb2_dma_sg_dmabuf_ops_unmap, - .kmap = vb2_dma_sg_dmabuf_ops_kmap, - .kmap_atomic = vb2_dma_sg_dmabuf_ops_kmap, + .map = vb2_dma_sg_dmabuf_ops_kmap, + .map_atomic = vb2_dma_sg_dmabuf_ops_kmap, .vmap = vb2_dma_sg_dmabuf_ops_vmap, .mmap = vb2_dma_sg_dmabuf_ops_mmap, .release = vb2_dma_sg_dmabuf_ops_release, diff --git a/drivers/media/v4l2-core/videobuf2-vmalloc.c b/drivers/media/v4l2-core/videobuf2-vmalloc.c index 3f77814..27d1db3 100644 --- a/drivers/media/v4l2-core/videobuf2-vmalloc.c +++ b/drivers/media/v4l2-core/videobuf2-vmalloc.c @@ -342,8 +342,8 @@ static struct dma_buf_ops vb2_vmalloc_dmabuf_ops = { .detach = vb2_vmalloc_dmabuf_ops_detach, .map_dma_buf = vb2_vmalloc_dmabuf_ops_map, .unmap_dma_buf = vb2_vmalloc_dmabuf_ops_unmap, - .kmap = vb2_vmalloc_dmabuf_ops_kmap, - .kmap_atomic = vb2_vmalloc_dmabuf_ops_kmap, + .map = vb2_vmalloc_dmabuf_ops_kmap, + .map_atomic = vb2_vmalloc_dmabuf_ops_kmap, .vmap = vb2_vmalloc_dmabuf_ops_vmap, .mmap = vb2_vmalloc_dmabuf_ops_mmap, .release = vb2_vmalloc_dmabuf_ops_release, diff --git a/drivers/staging/android/ion/ion.c b/drivers/staging/android/ion/ion.c index f45115f..95a7f16 100644 --- a/drivers/staging/android/ion/ion.c +++ b/drivers/staging/android/ion/ion.c @@ -1020,10 +1020,10 @@ static const struct dma_buf_ops dma_buf_ops = { .release = ion_dma_buf_release, .begin_cpu_access = ion_dma_buf_begin_cpu_access, .end_cpu_access = ion_dma_buf_end_cpu_access, - .kmap_atomic = ion_dma_buf_kmap, - .kunmap_atomic = ion_dma_buf_kunmap, - .kmap = ion_dma_buf_kmap, - .kunmap = ion_dma_buf_kunmap, + .map_atomic = ion_dma_buf_kmap, + .unmap_atomic = ion_dma_buf_kunmap, + .map = ion_dma_buf_kmap, + .unmap = ion_dma_buf_kunmap, }; struct dma_buf *ion_share_dma_buf(struct ion_client *client, diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h index bfb3704..79f27d6 100644 --- a/include/linux/dma-buf.h +++ b/include/linux/dma-buf.h @@ -39,13 +39,13 @@ struct dma_buf_attachment; /** * struct dma_buf_ops - operations possible on struct dma_buf - * @kmap_atomic: maps a page from the buffer into kernel address - * space, users may not block until the subsequent unmap call. - * This callback must not sleep. - * @kunmap_atomic: [optional] unmaps a atomically mapped page from the buffer. - * This Callback must not sleep. - * @kmap: maps a page from the buffer into kernel address space. - * @kunmap: [optional] unmaps a page from the buffer. + * @map_atomic: maps a page from the buffer into kernel address + * space, users may not block until the subsequent unmap call. + * This callback must not sleep. + * @unmap_atomic: [optional] unmaps a atomically mapped page from the buffer. + * This Callback must not sleep. + * @map: maps a page from the buffer into kernel address space. + * @unmap: [optional] unmaps a page from the buffer. * @vmap: [optional] creates a virtual mapping for the buffer into kernel * address space. Same restrictions as for vmap and friends apply. * @vunmap: [optional] unmaps a vmap from the buffer @@ -206,10 +206,10 @@ struct dma_buf_ops { * to be restarted. */ int (*end_cpu_access)(struct dma_buf *, enum dma_data_direction); - void *(*kmap_atomic)(struct dma_buf *, unsigned long); - void (*kunmap_atomic)(struct dma_buf *, unsigned long, void *); - void *(*kmap)(struct dma_buf *, unsigned long); - void (*kunmap)(struct dma_buf *, unsigned long, void *); + void *(*map_atomic)(struct dma_buf *, unsigned long); + void (*unmap_atomic)(struct dma_buf *, unsigned long, void *); + void *(*map)(struct dma_buf *, unsigned long); + void (*unmap)(struct dma_buf *, unsigned long, void *); /** * @mmap: