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From: Claire Chang <tientzu@chromium.org>
To: Rob Herring <robh+dt@kernel.org>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	Will Deacon <will@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	boris.ostrovsky@oracle.com, jgross@suse.com,
	Christoph Hellwig <hch@lst.de>,
	Marek Szyprowski <m.szyprowski@samsung.com>
Cc: benh@kernel.crashing.org, paulus@samba.org,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	sstabellini@kernel.org, Robin Murphy <robin.murphy@arm.com>,
	grant.likely@arm.com, xypron.glpk@gmx.de,
	Thierry Reding <treding@nvidia.com>,
	mingo@kernel.org, bauerman@linux.ibm.com, peterz@infradead.org,
	Greg KH <gregkh@linuxfoundation.org>,
	Saravana Kannan <saravanak@google.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	heikki.krogerus@linux.intel.com,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Randy Dunlap <rdunlap@infradead.org>,
	Dan Williams <dan.j.williams@intel.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	linux-devicetree <devicetree@vger.kernel.org>,
	lkml <linux-kernel@vger.kernel.org>,
	linuxppc-dev@lists.ozlabs.org, xen-devel@lists.xenproject.org,
	Nicolas Boichat <drinkcat@chromium.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	Tomasz Figa <tfiga@chromium.org>,
	bskeggs@redhat.com, Bjorn Helgaas <bhelgaas@google.com>,
	chris@chris-wilson.co.uk, Daniel Vetter <daniel@ffwll.ch>,
	airlied@linux.ie, dri-devel@lists.freedesktop.org,
	intel-gfx@lists.freedesktop.org, jani.nikula@linux.intel.com,
	Jianxiong Gao <jxgao@google.com>,
	joonas.lahtinen@linux.intel.com, linux-pci@vger.kernel.org,
	maarten.lankhorst@linux.intel.com, matthew.auld@intel.com,
	rodrigo.vivi@intel.com, thomas.hellstrom@linux.intel.com
Subject: Re: [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Fri, 11 Jun 2021 23:33:15 +0800	[thread overview]
Message-ID: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com> (raw)
In-Reply-To: <20210611152659.2142983-4-tientzu@chromium.org>

I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
swiotlb_late_init_with_default_size is called here
https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60

On Fri, Jun 11, 2021 at 11:27 PM Claire Chang <tientzu@chromium.org> wrote:
>
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
>
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> ---
>  drivers/of/device.c     | 3 +++
>  include/linux/device.h  | 4 ++++
>  include/linux/swiotlb.h | 8 ++++++++
>  kernel/dma/swiotlb.c    | 8 ++++----
>  4 files changed, 19 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/of/device.c b/drivers/of/device.c
> index c5a9473a5fb1..1defdf15ba95 100644
> --- a/drivers/of/device.c
> +++ b/drivers/of/device.c
> @@ -165,6 +165,9 @@ int of_dma_configure_id(struct device *dev, struct device_node *np,
>
>         arch_setup_dma_ops(dev, dma_start, size, iommu, coherent);
>
> +       if (IS_ENABLED(CONFIG_SWIOTLB))
> +               swiotlb_set_io_tlb_default_mem(dev);
> +
>         return 0;
>  }
>  EXPORT_SYMBOL_GPL(of_dma_configure_id);
> diff --git a/include/linux/device.h b/include/linux/device.h
> index 4443e12238a0..2e9a378c9100 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -432,6 +432,7 @@ struct dev_links_info {
>   * @dma_pools: Dma pools (if dma'ble device).
>   * @dma_mem:   Internal for coherent mem override.
>   * @cma_area:  Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:  For arch-specific additions.
>   * @of_node:   Associated device tree node.
>   * @fwnode:    Associated device node supplied by platform firmware.
> @@ -540,6 +541,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>         struct cma *cma_area;           /* contiguous memory area for dma
>                                            allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +       struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>         /* arch specific additions */
>         struct dev_archdata     archdata;
> diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
> index 216854a5e513..008125ccd509 100644
> --- a/include/linux/swiotlb.h
> +++ b/include/linux/swiotlb.h
> @@ -108,6 +108,11 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>         return mem && paddr >= mem->start && paddr < mem->end;
>  }
>
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +       dev->dma_io_tlb_mem = io_tlb_default_mem;
> +}
> +
>  void __init swiotlb_exit(void);
>  unsigned int swiotlb_max_segment(void);
>  size_t swiotlb_max_mapping_size(struct device *dev);
> @@ -119,6 +124,9 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>  {
>         return false;
>  }
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +}
>  static inline void swiotlb_exit(void)
>  {
>  }
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 8a3e2b3b246d..29b950ab1351 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -344,7 +344,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>                            enum dma_data_direction dir)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>         phys_addr_t orig_addr = mem->slots[index].orig_addr;
>         size_t alloc_size = mem->slots[index].alloc_size;
> @@ -426,7 +426,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>                 size_t alloc_size)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned long boundary_mask = dma_get_seg_boundary(dev);
>         dma_addr_t tbl_dma_addr =
>                 phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -503,7 +503,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>                 size_t mapping_size, size_t alloc_size,
>                 enum dma_data_direction dir, unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>         unsigned int i;
>         int index;
> @@ -554,7 +554,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>                               size_t mapping_size, enum dma_data_direction dir,
>                               unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>         unsigned long flags;
>         unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>         int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> --
> 2.32.0.272.g935e593368-goog
>

WARNING: multiple messages have this Message-ID
From: Claire Chang <tientzu@chromium.org>
To: Rob Herring <robh+dt@kernel.org>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	 Will Deacon <will@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	boris.ostrovsky@oracle.com, jgross@suse.com,
	 Christoph Hellwig <hch@lst.de>,
	Marek Szyprowski <m.szyprowski@samsung.com>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	joonas.lahtinen@linux.intel.com, dri-devel@lists.freedesktop.org,
	chris@chris-wilson.co.uk, grant.likely@arm.com, paulus@samba.org,
	mingo@kernel.org, Jianxiong Gao <jxgao@google.com>,
	sstabellini@kernel.org, Saravana Kannan <saravanak@google.com>,
	xypron.glpk@gmx.de,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	Daniel Vetter <daniel@ffwll.ch>,
	airlied@linux.ie, maarten.lankhorst@linux.intel.com,
	linuxppc-dev@lists.ozlabs.org, jani.nikula@linux.intel.com,
	Nicolas Boichat <drinkcat@chromium.org>,
	rodrigo.vivi@intel.com, Bjorn Helgaas <bhelgaas@google.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Tomasz Figa <tfiga@chromium.org>,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	Robin Murphy <robin.murphy@arm.com>,
	bauerman@linux.ibm.com
Subject: Re: [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Fri, 11 Jun 2021 23:33:15 +0800	[thread overview]
Message-ID: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com> (raw)
In-Reply-To: <20210611152659.2142983-4-tientzu@chromium.org>

I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
swiotlb_late_init_with_default_size is called here
https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60

On Fri, Jun 11, 2021 at 11:27 PM Claire Chang <tientzu@chromium.org> wrote:
>
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
>
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> ---
>  drivers/of/device.c     | 3 +++
>  include/linux/device.h  | 4 ++++
>  include/linux/swiotlb.h | 8 ++++++++
>  kernel/dma/swiotlb.c    | 8 ++++----
>  4 files changed, 19 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/of/device.c b/drivers/of/device.c
> index c5a9473a5fb1..1defdf15ba95 100644
> --- a/drivers/of/device.c
> +++ b/drivers/of/device.c
> @@ -165,6 +165,9 @@ int of_dma_configure_id(struct device *dev, struct device_node *np,
>
>         arch_setup_dma_ops(dev, dma_start, size, iommu, coherent);
>
> +       if (IS_ENABLED(CONFIG_SWIOTLB))
> +               swiotlb_set_io_tlb_default_mem(dev);
> +
>         return 0;
>  }
>  EXPORT_SYMBOL_GPL(of_dma_configure_id);
> diff --git a/include/linux/device.h b/include/linux/device.h
> index 4443e12238a0..2e9a378c9100 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -432,6 +432,7 @@ struct dev_links_info {
>   * @dma_pools: Dma pools (if dma'ble device).
>   * @dma_mem:   Internal for coherent mem override.
>   * @cma_area:  Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:  For arch-specific additions.
>   * @of_node:   Associated device tree node.
>   * @fwnode:    Associated device node supplied by platform firmware.
> @@ -540,6 +541,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>         struct cma *cma_area;           /* contiguous memory area for dma
>                                            allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +       struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>         /* arch specific additions */
>         struct dev_archdata     archdata;
> diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
> index 216854a5e513..008125ccd509 100644
> --- a/include/linux/swiotlb.h
> +++ b/include/linux/swiotlb.h
> @@ -108,6 +108,11 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>         return mem && paddr >= mem->start && paddr < mem->end;
>  }
>
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +       dev->dma_io_tlb_mem = io_tlb_default_mem;
> +}
> +
>  void __init swiotlb_exit(void);
>  unsigned int swiotlb_max_segment(void);
>  size_t swiotlb_max_mapping_size(struct device *dev);
> @@ -119,6 +124,9 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>  {
>         return false;
>  }
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +}
>  static inline void swiotlb_exit(void)
>  {
>  }
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 8a3e2b3b246d..29b950ab1351 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -344,7 +344,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>                            enum dma_data_direction dir)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>         phys_addr_t orig_addr = mem->slots[index].orig_addr;
>         size_t alloc_size = mem->slots[index].alloc_size;
> @@ -426,7 +426,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>                 size_t alloc_size)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned long boundary_mask = dma_get_seg_boundary(dev);
>         dma_addr_t tbl_dma_addr =
>                 phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -503,7 +503,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>                 size_t mapping_size, size_t alloc_size,
>                 enum dma_data_direction dir, unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>         unsigned int i;
>         int index;
> @@ -554,7 +554,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>                               size_t mapping_size, enum dma_data_direction dir,
>                               unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>         unsigned long flags;
>         unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>         int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> --
> 2.32.0.272.g935e593368-goog
>

WARNING: multiple messages have this Message-ID
From: Claire Chang <tientzu@chromium.org>
To: Rob Herring <robh+dt@kernel.org>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	 Will Deacon <will@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	boris.ostrovsky@oracle.com, jgross@suse.com,
	 Christoph Hellwig <hch@lst.de>,
	Marek Szyprowski <m.szyprowski@samsung.com>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	benh@kernel.crashing.org, joonas.lahtinen@linux.intel.com,
	dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk,
	grant.likely@arm.com, paulus@samba.org, mingo@kernel.org,
	Jianxiong Gao <jxgao@google.com>,
	sstabellini@kernel.org, Saravana Kannan <saravanak@google.com>,
	xypron.glpk@gmx.de,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	Daniel Vetter <daniel@ffwll.ch>,
	airlied@linux.ie, maarten.lankhorst@linux.intel.com,
	linuxppc-dev@lists.ozlabs.org, jani.nikula@linux.intel.com,
	Nicolas Boichat <drinkcat@chromium.org>,
	rodrigo.vivi@intel.com, Bjorn Helgaas <bhelgaas@google.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	Robin Murphy <robin.murphy@arm.com>,
	bauerman@linux.ibm.com
Subject: Re: [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Fri, 11 Jun 2021 23:33:15 +0800	[thread overview]
Message-ID: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com> (raw)
In-Reply-To: <20210611152659.2142983-4-tientzu@chromium.org>

I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
swiotlb_late_init_with_default_size is called here
https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60

On Fri, Jun 11, 2021 at 11:27 PM Claire Chang <tientzu@chromium.org> wrote:
>
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
>
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> ---
>  drivers/of/device.c     | 3 +++
>  include/linux/device.h  | 4 ++++
>  include/linux/swiotlb.h | 8 ++++++++
>  kernel/dma/swiotlb.c    | 8 ++++----
>  4 files changed, 19 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/of/device.c b/drivers/of/device.c
> index c5a9473a5fb1..1defdf15ba95 100644
> --- a/drivers/of/device.c
> +++ b/drivers/of/device.c
> @@ -165,6 +165,9 @@ int of_dma_configure_id(struct device *dev, struct device_node *np,
>
>         arch_setup_dma_ops(dev, dma_start, size, iommu, coherent);
>
> +       if (IS_ENABLED(CONFIG_SWIOTLB))
> +               swiotlb_set_io_tlb_default_mem(dev);
> +
>         return 0;
>  }
>  EXPORT_SYMBOL_GPL(of_dma_configure_id);
> diff --git a/include/linux/device.h b/include/linux/device.h
> index 4443e12238a0..2e9a378c9100 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -432,6 +432,7 @@ struct dev_links_info {
>   * @dma_pools: Dma pools (if dma'ble device).
>   * @dma_mem:   Internal for coherent mem override.
>   * @cma_area:  Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:  For arch-specific additions.
>   * @of_node:   Associated device tree node.
>   * @fwnode:    Associated device node supplied by platform firmware.
> @@ -540,6 +541,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>         struct cma *cma_area;           /* contiguous memory area for dma
>                                            allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +       struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>         /* arch specific additions */
>         struct dev_archdata     archdata;
> diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
> index 216854a5e513..008125ccd509 100644
> --- a/include/linux/swiotlb.h
> +++ b/include/linux/swiotlb.h
> @@ -108,6 +108,11 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>         return mem && paddr >= mem->start && paddr < mem->end;
>  }
>
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +       dev->dma_io_tlb_mem = io_tlb_default_mem;
> +}
> +
>  void __init swiotlb_exit(void);
>  unsigned int swiotlb_max_segment(void);
>  size_t swiotlb_max_mapping_size(struct device *dev);
> @@ -119,6 +124,9 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>  {
>         return false;
>  }
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +}
>  static inline void swiotlb_exit(void)
>  {
>  }
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 8a3e2b3b246d..29b950ab1351 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -344,7 +344,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>                            enum dma_data_direction dir)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>         phys_addr_t orig_addr = mem->slots[index].orig_addr;
>         size_t alloc_size = mem->slots[index].alloc_size;
> @@ -426,7 +426,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>                 size_t alloc_size)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned long boundary_mask = dma_get_seg_boundary(dev);
>         dma_addr_t tbl_dma_addr =
>                 phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -503,7 +503,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>                 size_t mapping_size, size_t alloc_size,
>                 enum dma_data_direction dir, unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>         unsigned int i;
>         int index;
> @@ -554,7 +554,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>                               size_t mapping_size, enum dma_data_direction dir,
>                               unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>         unsigned long flags;
>         unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>         int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> --
> 2.32.0.272.g935e593368-goog
>
_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

WARNING: multiple messages have this Message-ID
From: Claire Chang <tientzu@chromium.org>
To: Rob Herring <robh+dt@kernel.org>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	 Will Deacon <will@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	boris.ostrovsky@oracle.com, jgross@suse.com,
	 Christoph Hellwig <hch@lst.de>,
	Marek Szyprowski <m.szyprowski@samsung.com>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	dri-devel@lists.freedesktop.org, chris@chris-wilson.co.uk,
	grant.likely@arm.com, paulus@samba.org, mingo@kernel.org,
	Jianxiong Gao <jxgao@google.com>,
	sstabellini@kernel.org, Saravana Kannan <saravanak@google.com>,
	xypron.glpk@gmx.de,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	airlied@linux.ie, Robin Murphy <robin.murphy@arm.com>,
	Nicolas Boichat <drinkcat@chromium.org>,
	rodrigo.vivi@intel.com, Bjorn Helgaas <bhelgaas@google.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Tomasz Figa <tfiga@chromium.org>,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	linuxppc-dev@lists.ozlabs.org, bauerman@linux.ibm.com
Subject: Re: [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Fri, 11 Jun 2021 23:33:15 +0800	[thread overview]
Message-ID: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com> (raw)
In-Reply-To: <20210611152659.2142983-4-tientzu@chromium.org>

I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
swiotlb_late_init_with_default_size is called here
https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60

On Fri, Jun 11, 2021 at 11:27 PM Claire Chang <tientzu@chromium.org> wrote:
>
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
>
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> ---
>  drivers/of/device.c     | 3 +++
>  include/linux/device.h  | 4 ++++
>  include/linux/swiotlb.h | 8 ++++++++
>  kernel/dma/swiotlb.c    | 8 ++++----
>  4 files changed, 19 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/of/device.c b/drivers/of/device.c
> index c5a9473a5fb1..1defdf15ba95 100644
> --- a/drivers/of/device.c
> +++ b/drivers/of/device.c
> @@ -165,6 +165,9 @@ int of_dma_configure_id(struct device *dev, struct device_node *np,
>
>         arch_setup_dma_ops(dev, dma_start, size, iommu, coherent);
>
> +       if (IS_ENABLED(CONFIG_SWIOTLB))
> +               swiotlb_set_io_tlb_default_mem(dev);
> +
>         return 0;
>  }
>  EXPORT_SYMBOL_GPL(of_dma_configure_id);
> diff --git a/include/linux/device.h b/include/linux/device.h
> index 4443e12238a0..2e9a378c9100 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -432,6 +432,7 @@ struct dev_links_info {
>   * @dma_pools: Dma pools (if dma'ble device).
>   * @dma_mem:   Internal for coherent mem override.
>   * @cma_area:  Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:  For arch-specific additions.
>   * @of_node:   Associated device tree node.
>   * @fwnode:    Associated device node supplied by platform firmware.
> @@ -540,6 +541,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>         struct cma *cma_area;           /* contiguous memory area for dma
>                                            allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +       struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>         /* arch specific additions */
>         struct dev_archdata     archdata;
> diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
> index 216854a5e513..008125ccd509 100644
> --- a/include/linux/swiotlb.h
> +++ b/include/linux/swiotlb.h
> @@ -108,6 +108,11 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>         return mem && paddr >= mem->start && paddr < mem->end;
>  }
>
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +       dev->dma_io_tlb_mem = io_tlb_default_mem;
> +}
> +
>  void __init swiotlb_exit(void);
>  unsigned int swiotlb_max_segment(void);
>  size_t swiotlb_max_mapping_size(struct device *dev);
> @@ -119,6 +124,9 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>  {
>         return false;
>  }
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +}
>  static inline void swiotlb_exit(void)
>  {
>  }
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 8a3e2b3b246d..29b950ab1351 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -344,7 +344,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>                            enum dma_data_direction dir)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>         phys_addr_t orig_addr = mem->slots[index].orig_addr;
>         size_t alloc_size = mem->slots[index].alloc_size;
> @@ -426,7 +426,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>                 size_t alloc_size)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned long boundary_mask = dma_get_seg_boundary(dev);
>         dma_addr_t tbl_dma_addr =
>                 phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -503,7 +503,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>                 size_t mapping_size, size_t alloc_size,
>                 enum dma_data_direction dir, unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>         unsigned int i;
>         int index;
> @@ -554,7 +554,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>                               size_t mapping_size, enum dma_data_direction dir,
>                               unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>         unsigned long flags;
>         unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>         int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> --
> 2.32.0.272.g935e593368-goog
>

WARNING: multiple messages have this Message-ID
From: Claire Chang <tientzu@chromium.org>
To: Rob Herring <robh+dt@kernel.org>,
	mpe@ellerman.id.au, Joerg Roedel <joro@8bytes.org>,
	 Will Deacon <will@kernel.org>,
	Frank Rowand <frowand.list@gmail.com>,
	 Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
	boris.ostrovsky@oracle.com, jgross@suse.com,
	 Christoph Hellwig <hch@lst.de>,
	Marek Szyprowski <m.szyprowski@samsung.com>
Cc: heikki.krogerus@linux.intel.com,
	thomas.hellstrom@linux.intel.com, peterz@infradead.org,
	benh@kernel.crashing.org, dri-devel@lists.freedesktop.org,
	chris@chris-wilson.co.uk, grant.likely@arm.com, paulus@samba.org,
	mingo@kernel.org, Jianxiong Gao <jxgao@google.com>,
	sstabellini@kernel.org, Saravana Kannan <saravanak@google.com>,
	xypron.glpk@gmx.de,
	"Rafael J . Wysocki" <rafael.j.wysocki@intel.com>,
	Bartosz Golaszewski <bgolaszewski@baylibre.com>,
	bskeggs@redhat.com, linux-pci@vger.kernel.org,
	xen-devel@lists.xenproject.org,
	Thierry Reding <treding@nvidia.com>,
	intel-gfx@lists.freedesktop.org, matthew.auld@intel.com,
	linux-devicetree <devicetree@vger.kernel.org>,
	airlied@linux.ie, Robin Murphy <robin.murphy@arm.com>,
	Nicolas Boichat <drinkcat@chromium.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Dan Williams <dan.j.williams@intel.com>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Greg KH <gregkh@linuxfoundation.org>,
	Randy Dunlap <rdunlap@infradead.org>,
	lkml <linux-kernel@vger.kernel.org>,
	Tomasz Figa <tfiga@chromium.org>,
	"list@263.net:IOMMU DRIVERS" <iommu@lists.linux-foundation.org>,
	Jim Quinlan <james.quinlan@broadcom.com>,
	linuxppc-dev@lists.ozlabs.org, bauerman@linux.ibm.com
Subject: Re: [Intel-gfx] [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used
Date: Fri, 11 Jun 2021 23:33:15 +0800	[thread overview]
Message-ID: <CALiNf2_nzP=qLg5Fqvn3kiaMiaR9r+QJhE3pqypW4FPrgo23DQ@mail.gmail.com> (raw)
In-Reply-To: <20210611152659.2142983-4-tientzu@chromium.org>

I'm not sure if this would break arch/x86/pci/sta2x11-fixup.c
swiotlb_late_init_with_default_size is called here
https://elixir.bootlin.com/linux/v5.13-rc5/source/arch/x86/pci/sta2x11-fixup.c#L60

On Fri, Jun 11, 2021 at 11:27 PM Claire Chang <tientzu@chromium.org> wrote:
>
> Always have the pointer to the swiotlb pool used in struct device. This
> could help simplify the code for other pools.
>
> Signed-off-by: Claire Chang <tientzu@chromium.org>
> ---
>  drivers/of/device.c     | 3 +++
>  include/linux/device.h  | 4 ++++
>  include/linux/swiotlb.h | 8 ++++++++
>  kernel/dma/swiotlb.c    | 8 ++++----
>  4 files changed, 19 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/of/device.c b/drivers/of/device.c
> index c5a9473a5fb1..1defdf15ba95 100644
> --- a/drivers/of/device.c
> +++ b/drivers/of/device.c
> @@ -165,6 +165,9 @@ int of_dma_configure_id(struct device *dev, struct device_node *np,
>
>         arch_setup_dma_ops(dev, dma_start, size, iommu, coherent);
>
> +       if (IS_ENABLED(CONFIG_SWIOTLB))
> +               swiotlb_set_io_tlb_default_mem(dev);
> +
>         return 0;
>  }
>  EXPORT_SYMBOL_GPL(of_dma_configure_id);
> diff --git a/include/linux/device.h b/include/linux/device.h
> index 4443e12238a0..2e9a378c9100 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -432,6 +432,7 @@ struct dev_links_info {
>   * @dma_pools: Dma pools (if dma'ble device).
>   * @dma_mem:   Internal for coherent mem override.
>   * @cma_area:  Contiguous memory area for dma allocations
> + * @dma_io_tlb_mem: Pointer to the swiotlb pool used.  Not for driver use.
>   * @archdata:  For arch-specific additions.
>   * @of_node:   Associated device tree node.
>   * @fwnode:    Associated device node supplied by platform firmware.
> @@ -540,6 +541,9 @@ struct device {
>  #ifdef CONFIG_DMA_CMA
>         struct cma *cma_area;           /* contiguous memory area for dma
>                                            allocations */
> +#endif
> +#ifdef CONFIG_SWIOTLB
> +       struct io_tlb_mem *dma_io_tlb_mem;
>  #endif
>         /* arch specific additions */
>         struct dev_archdata     archdata;
> diff --git a/include/linux/swiotlb.h b/include/linux/swiotlb.h
> index 216854a5e513..008125ccd509 100644
> --- a/include/linux/swiotlb.h
> +++ b/include/linux/swiotlb.h
> @@ -108,6 +108,11 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>         return mem && paddr >= mem->start && paddr < mem->end;
>  }
>
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +       dev->dma_io_tlb_mem = io_tlb_default_mem;
> +}
> +
>  void __init swiotlb_exit(void);
>  unsigned int swiotlb_max_segment(void);
>  size_t swiotlb_max_mapping_size(struct device *dev);
> @@ -119,6 +124,9 @@ static inline bool is_swiotlb_buffer(phys_addr_t paddr)
>  {
>         return false;
>  }
> +static inline void swiotlb_set_io_tlb_default_mem(struct device *dev)
> +{
> +}
>  static inline void swiotlb_exit(void)
>  {
>  }
> diff --git a/kernel/dma/swiotlb.c b/kernel/dma/swiotlb.c
> index 8a3e2b3b246d..29b950ab1351 100644
> --- a/kernel/dma/swiotlb.c
> +++ b/kernel/dma/swiotlb.c
> @@ -344,7 +344,7 @@ void __init swiotlb_exit(void)
>  static void swiotlb_bounce(struct device *dev, phys_addr_t tlb_addr, size_t size,
>                            enum dma_data_direction dir)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         int index = (tlb_addr - mem->start) >> IO_TLB_SHIFT;
>         phys_addr_t orig_addr = mem->slots[index].orig_addr;
>         size_t alloc_size = mem->slots[index].alloc_size;
> @@ -426,7 +426,7 @@ static unsigned int wrap_index(struct io_tlb_mem *mem, unsigned int index)
>  static int find_slots(struct device *dev, phys_addr_t orig_addr,
>                 size_t alloc_size)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned long boundary_mask = dma_get_seg_boundary(dev);
>         dma_addr_t tbl_dma_addr =
>                 phys_to_dma_unencrypted(dev, mem->start) & boundary_mask;
> @@ -503,7 +503,7 @@ phys_addr_t swiotlb_tbl_map_single(struct device *dev, phys_addr_t orig_addr,
>                 size_t mapping_size, size_t alloc_size,
>                 enum dma_data_direction dir, unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = dev->dma_io_tlb_mem;
>         unsigned int offset = swiotlb_align_offset(dev, orig_addr);
>         unsigned int i;
>         int index;
> @@ -554,7 +554,7 @@ void swiotlb_tbl_unmap_single(struct device *hwdev, phys_addr_t tlb_addr,
>                               size_t mapping_size, enum dma_data_direction dir,
>                               unsigned long attrs)
>  {
> -       struct io_tlb_mem *mem = io_tlb_default_mem;
> +       struct io_tlb_mem *mem = hwdev->dma_io_tlb_mem;
>         unsigned long flags;
>         unsigned int offset = swiotlb_align_offset(hwdev, tlb_addr);
>         int index = (tlb_addr - offset - mem->start) >> IO_TLB_SHIFT;
> --
> 2.32.0.272.g935e593368-goog
>
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

  reply	other threads:[~2021-06-11 15:34 UTC|newest]

Thread overview: 144+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-11 15:26 [PATCH v9 00/14] Restricted DMA Claire Chang
2021-06-11 15:26 ` [Intel-gfx] " Claire Chang
2021-06-11 15:26 ` Claire Chang
2021-06-11 15:26 ` Claire Chang
2021-06-11 15:26 ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 01/14] swiotlb: Refactor swiotlb init functions Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:16   ` Christoph Hellwig
2021-06-14  6:16     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:16     ` Christoph Hellwig
2021-06-14  6:16     ` Christoph Hellwig
2021-06-15  4:06     ` Claire Chang
2021-06-15  4:06       ` Claire Chang
2021-06-15  4:06       ` [Intel-gfx] " Claire Chang
2021-06-15  4:06       ` Claire Chang
2021-06-15  4:06       ` Claire Chang
2021-06-15  4:06       ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 02/14] swiotlb: Refactor swiotlb_create_debugfs Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:17   ` Christoph Hellwig
2021-06-14  6:17     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:17     ` Christoph Hellwig
2021-06-14  6:17     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 03/14] swiotlb: Set dev->dma_io_tlb_mem to the swiotlb pool used Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:33   ` Claire Chang [this message]
2021-06-11 15:33     ` Claire Chang
2021-06-11 15:33     ` [Intel-gfx] " Claire Chang
2021-06-11 15:33     ` Claire Chang
2021-06-11 15:33     ` Claire Chang
2021-06-11 15:33     ` Claire Chang
2021-06-14  6:20     ` Christoph Hellwig
2021-06-14  6:20       ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:20       ` Christoph Hellwig
2021-06-14  6:20       ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 04/14] swiotlb: Add restricted DMA pool initialization Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:21   ` Christoph Hellwig
2021-06-14  6:21     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:21     ` Christoph Hellwig
2021-06-14  6:21     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 05/14] swiotlb: Update is_swiotlb_buffer to add a struct device argument Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:21   ` Christoph Hellwig
2021-06-14  6:21     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:21     ` Christoph Hellwig
2021-06-14  6:21     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 06/14] swiotlb: Update is_swiotlb_active " Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:34   ` Claire Chang
2021-06-11 15:34     ` Claire Chang
2021-06-11 15:34     ` [Intel-gfx] " Claire Chang
2021-06-11 15:34     ` Claire Chang
2021-06-11 15:34     ` Claire Chang
2021-06-11 15:34     ` Claire Chang
2021-06-14  6:23   ` Christoph Hellwig
2021-06-14  6:23     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:23     ` Christoph Hellwig
2021-06-14  6:23     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 07/14] swiotlb: Bounce data from/to restricted DMA pool if available Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:25   ` Christoph Hellwig
2021-06-14  6:25     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:25     ` Christoph Hellwig
2021-06-14  6:25     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 08/14] swiotlb: Move alloc_size to find_slots Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:25   ` Christoph Hellwig
2021-06-14  6:25     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:25     ` Christoph Hellwig
2021-06-14  6:25     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 09/14] swiotlb: Refactor swiotlb_tbl_unmap_single Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:26   ` Christoph Hellwig
2021-06-14  6:26     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:26     ` Christoph Hellwig
2021-06-14  6:26     ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 10/14] dma-direct: Add a new wrapper __dma_direct_free_pages() Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 11/14] swiotlb: Add restricted DMA alloc/free support Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-14  6:28   ` Christoph Hellwig
2021-06-14  6:28     ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:28     ` Christoph Hellwig
2021-06-14  6:28     ` Christoph Hellwig
2021-06-14  6:28     ` Christoph Hellwig
2021-06-14  6:28       ` [Intel-gfx] " Christoph Hellwig
2021-06-14  6:28       ` Christoph Hellwig
2021-06-14  6:28       ` Christoph Hellwig
2021-06-11 15:26 ` [PATCH v9 12/14] dma-direct: Allocate memory from restricted DMA pool if available Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 13/14] dt-bindings: of: Add restricted DMA pool Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26 ` [PATCH v9 14/14] of: Add plumbing for " Claire Chang
2021-06-11 15:26   ` [Intel-gfx] " Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 15:26   ` Claire Chang
2021-06-11 17:37 ` [Intel-gfx] ✗ Fi.CI.BUILD: failure for Restricted DMA Patchwork
2021-06-15 13:30 ` [PATCH v9 00/14] " Claire Chang
2021-06-15 13:30   ` Claire Chang
2021-06-15 13:30   ` [Intel-gfx] " Claire Chang
2021-06-15 13:30   ` Claire Chang
2021-06-15 13:30   ` Claire Chang
2021-06-15 13:30   ` Claire Chang

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