| Message ID | 20210617062635.1660944-6-tientzu@chromium.org |
|---|---|
| State | New |
| Headers | show |
| Series | Restricted DMA | expand |
On Thu, 17 Jun 2021, Claire Chang wrote: > Update is_swiotlb_active to add a struct device argument. This will be > useful later to allow for different pools. > > Signed-off-by: Claire Chang <tientzu@chromium.org> > Reviewed-by: Christoph Hellwig <hch@lst.de> > Tested-by: Stefano Stabellini <sstabellini@kernel.org> > Tested-by: Will Deacon <will@kernel.org> Acked-by: Stefano Stabellini <sstabellini@kernel.org> > --- > drivers/gpu/drm/i915/gem/i915_gem_internal.c | 2 +- > drivers/gpu/drm/nouveau/nouveau_ttm.c | 2 +- > drivers/pci/xen-pcifront.c | 2 +- > include/linux/swiotlb.h | 4 ++-- > kernel/dma/direct.c | 2 +- > kernel/dma/swiotlb.c | 4 ++-- > 6 files changed, 8 insertions(+), 8 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gem/i915_gem_internal.c b/drivers/gpu/drm/i915/gem/i915_gem_internal.c > index a9d65fc8aa0e..4b7afa0fc85d 100644 > --- a/drivers/gpu/drm/i915/gem/i915_gem_internal.c > +++ b/drivers/gpu/drm/i915/gem/i915_gem_internal.c > @@ -42,7 +42,7 @@ static int i915_gem_object_get_pages_internal(struct drm_i915_gem_object *obj) > > max_order = MAX_ORDER; > #ifdef CONFIG_SWIOTLB > - if (is_swiotlb_active()) { > + if (is_swiotlb_active(obj->base.dev->dev)) { > unsigned int max_segment; > > max_segment = swiotlb_max_segment(); > diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c > index 9662522aa066..be15bfd9e0ee 100644 > --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c > +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c > @@ -321,7 +321,7 @@ nouveau_ttm_init(struct nouveau_drm *drm) > } > > #if IS_ENABLED(CONFIG_SWIOTLB) && IS_ENABLED(CONFIG_X86) > - need_swiotlb = is_swiotlb_active(); > + need_swiotlb = is_swiotlb_active(dev->dev); > #endif > > ret = ttm_bo_device_init(&drm->ttm.bdev, &nouveau_bo_driver, > diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c > index b7a8f3a1921f..0d56985bfe81 100644 > --- a/drivers/pci/xen-pcifront.c > +++ b/drivers/pci/xen-pcifront.c > @@ -693,7 +693,7 @@ static int pcifront_connect_and_init_dma(struct pcifront_device *pdev) > > spin_unlock(&pcifront_dev_lock); > > - if (!err && !is_swiotlb_active()) { > + if (!err && !is_swiotlb_active(&pdev->xdev->dev)) { > err = pci_xen_swiotlb_init_late(); > if (err) > dev_err(&pdev->xdev->dev, "Could not setup SWIOTLB!\n"); > diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h > index d1f3d95881cd..dd1c30a83058 100644 > --- a/include/linux/swiotlb.h > +++ b/include/linux/swiotlb.h > @@ -112,7 +112,7 @@ static inline bool is_swiotlb_buffer(struct device *dev, phys_addr_t paddr) > void __init swiotlb_exit(void); > unsigned int swiotlb_max_segment(void); > size_t swiotlb_max_mapping_size(struct device *dev); > -bool is_swiotlb_active(void); > +bool is_swiotlb_active(struct device *dev); > void __init swiotlb_adjust_size(unsigned long size); > #else > #define swiotlb_force SWIOTLB_NO_FORCE > @@ -132,7 +132,7 @@ static inline size_t swiotlb_max_mapping_size(struct device *dev) > return SIZE_MAX; > } > > -static inline bool is_swiotlb_active(void) > +static inline bool is_swiotlb_active(struct device *dev) > { > return false; > } > diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c > index 84c9feb5474a..7a88c34d0867 100644 > --- a/kernel/dma/direct.c > +++ b/kernel/dma/direct.c > @@ -495,7 +495,7 @@ int dma_direct_supported(struct device *dev, u64 mask) > size_t dma_direct_max_mapping_size(struct device *dev) > { > /* If SWIOTLB is active, use its maximum mapping size */ > - if (is_swiotlb_active() && > + if (is_swiotlb_active(dev) && > (dma_addressing_limited(dev) || swiotlb_force == SWIOTLB_FORCE)) > return swiotlb_max_mapping_size(dev); > return SIZE_MAX; > diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c > index de79e9437030..409694d7a8ad 100644 > --- a/kernel/dma/swiotlb.c > +++ b/kernel/dma/swiotlb.c > @@ -664,9 +664,9 @@ size_t swiotlb_max_mapping_size(struct device *dev) > return ((size_t)IO_TLB_SIZE) * IO_TLB_SEGSIZE; > } > > -bool is_swiotlb_active(void) > +bool is_swiotlb_active(struct device *dev) > { > - return io_tlb_default_mem != NULL; > + return dev->dma_io_tlb_mem != NULL; > } > EXPORT_SYMBOL_GPL(is_swiotlb_active); > > -- > 2.32.0.288.g62a8d224e6-goog >
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_internal.c b/drivers/gpu/drm/i915/gem/i915_gem_internal.c index a9d65fc8aa0e..4b7afa0fc85d 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_internal.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_internal.c @@ -42,7 +42,7 @@ static int i915_gem_object_get_pages_internal(struct drm_i915_gem_object *obj) max_order = MAX_ORDER; #ifdef CONFIG_SWIOTLB - if (is_swiotlb_active()) { + if (is_swiotlb_active(obj->base.dev->dev)) { unsigned int max_segment; max_segment = swiotlb_max_segment(); diff --git a/drivers/gpu/drm/nouveau/nouveau_ttm.c b/drivers/gpu/drm/nouveau/nouveau_ttm.c index 9662522aa066..be15bfd9e0ee 100644 --- a/drivers/gpu/drm/nouveau/nouveau_ttm.c +++ b/drivers/gpu/drm/nouveau/nouveau_ttm.c @@ -321,7 +321,7 @@ nouveau_ttm_init(struct nouveau_drm *drm) } #if IS_ENABLED(CONFIG_SWIOTLB) && IS_ENABLED(CONFIG_X86) - need_swiotlb = is_swiotlb_active(); + need_swiotlb = is_swiotlb_active(dev->dev); #endif ret = ttm_bo_device_init(&drm->ttm.bdev, &nouveau_bo_driver, diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index b7a8f3a1921f..0d56985bfe81 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -693,7 +693,7 @@ static int pcifront_connect_and_init_dma(struct pcifront_device *pdev) spin_unlock(&pcifront_dev_lock); - if (!err && !is_swiotlb_active()) { + if (!err && !is_swiotlb_active(&pdev->xdev->dev)) { err = pci_xen_swiotlb_init_late(); if (err) dev_err(&pdev->xdev->dev, "Could not setup SWIOTLB!\n"); diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h index d1f3d95881cd..dd1c30a83058 100644 --- a/include/linux/swiotlb.h +++ b/include/linux/swiotlb.h @@ -112,7 +112,7 @@ static inline bool is_swiotlb_buffer(struct device *dev, phys_addr_t paddr) void __init swiotlb_exit(void); unsigned int swiotlb_max_segment(void); size_t swiotlb_max_mapping_size(struct device *dev); -bool is_swiotlb_active(void); +bool is_swiotlb_active(struct device *dev); void __init swiotlb_adjust_size(unsigned long size); #else #define swiotlb_force SWIOTLB_NO_FORCE @@ -132,7 +132,7 @@ static inline size_t swiotlb_max_mapping_size(struct device *dev) return SIZE_MAX; } -static inline bool is_swiotlb_active(void) +static inline bool is_swiotlb_active(struct device *dev) { return false; } diff --git a/kernel/dma/direct.c b/kernel/dma/direct.c index 84c9feb5474a..7a88c34d0867 100644 --- a/kernel/dma/direct.c +++ b/kernel/dma/direct.c @@ -495,7 +495,7 @@ int dma_direct_supported(struct device *dev, u64 mask) size_t dma_direct_max_mapping_size(struct device *dev) { /* If SWIOTLB is active, use its maximum mapping size */ - if (is_swiotlb_active() && + if (is_swiotlb_active(dev) && (dma_addressing_limited(dev) || swiotlb_force == SWIOTLB_FORCE)) return swiotlb_max_mapping_size(dev); return SIZE_MAX; diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c index de79e9437030..409694d7a8ad 100644 --- a/kernel/dma/swiotlb.c +++ b/kernel/dma/swiotlb.c @@ -664,9 +664,9 @@ size_t swiotlb_max_mapping_size(struct device *dev) return ((size_t)IO_TLB_SIZE) * IO_TLB_SEGSIZE; } -bool is_swiotlb_active(void) +bool is_swiotlb_active(struct device *dev) { - return io_tlb_default_mem != NULL; + return dev->dma_io_tlb_mem != NULL; } EXPORT_SYMBOL_GPL(is_swiotlb_active);