Hi KyongHo,
On 03/22/2012 07:29 PM, Subash Patel wrote:
Hi KyongHo,
On 03/21/2012 05:26 AM, KyongHo Cho wrote:
On Tue, Mar 20, 2012 at 10:50 PM, Subash Patel wrote:
Sorry for digging this very late. But as part of integrating dma_map v7&
sysmmu v12 on 3.3-rc5, I am facing below issue:
a) By
Hello,
On Friday, March 30, 2012 4:24 AM Krishna Reddy wrote:
> Hi,
> I have found a bug in arm_iommu_map_sg().
>
> > +int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> > +enum dma_data_direction dir, struct dma_attrs *attrs) {
> > + struct scatterli
Hi,
I have found a bug in arm_iommu_map_sg().
> +int arm_iommu_map_sg(struct device *dev, struct scatterlist *sg, int nents,
> + enum dma_data_direction dir, struct dma_attrs *attrs) {
> + struct scatterlist *s = sg, *dma = sg, *start = sg;
> + int i, count = 0;
> + u
Hello,
On Thursday, March 29, 2012 9:19 AM Hiroshi Doyu wrote:
> On Wed, 29 Feb 2012 16:04:22 +0100
> Marek Szyprowski wrote:
>
> > This patch add a complete implementation of DMA-mapping API for
> > devices that have IOMMU support. All DMA-mapping calls are supported.
> >
> > This patch contai
Hi Marek,
On Wed, 29 Feb 2012 16:04:22 +0100
Marek Szyprowski wrote:
> This patch add a complete implementation of DMA-mapping API for
> devices that have IOMMU support. All DMA-mapping calls are supported.
>
> This patch contains some of the code kindly provided by Krishna Reddy
> and Andrzej
Hi KyongHo,
On 03/21/2012 05:26 AM, KyongHo Cho wrote:
On Tue, Mar 20, 2012 at 10:50 PM, Subash Patel wrote:
Sorry for digging this very late. But as part of integrating dma_map v7&
sysmmu v12 on 3.3-rc5, I am facing below issue:
a) By un-selecting IOMMU in menu config, I am able to allocate
On Tue, Mar 20, 2012 at 10:50 PM, Subash Patel wrote:
> Sorry for digging this very late. But as part of integrating dma_map v7 &
> sysmmu v12 on 3.3-rc5, I am facing below issue:
>
> a) By un-selecting IOMMU in menu config, I am able to allocate memory in
> vb2-dma-contig
>
> b) When I enable SYS
Sorry for digging this very late. But as part of integrating dma_map v7
& sysmmu v12 on 3.3-rc5, I am facing below issue:
a) By un-selecting IOMMU in menu config, I am able to allocate memory in
vb2-dma-contig
b) When I enable SYSMMU support for the IP's, I am receiving below fault:
Unhandle
Hello,
On Wednesday, March 07, 2012 8:16 AM Hiroshi Doyu wrote:
> From: Hiroshi DOYU
> Subject: Re: [PATCHv7 9/9] ARM: dma-mapping: add support for IOMMU mapper
> Date: Wed, 07 Mar 2012 08:37:06 +0200 (EET)
> Message-ID: <20120307.083706.2087121294965856946.hd...@nvidia.c
Hello,
On Wednesday, March 07, 2012 12:22 AM Russell King - ARM Linux wrote:
> On Wed, Feb 29, 2012 at 04:04:22PM +0100, Marek Szyprowski wrote:
> > +static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct
> > *vma,
> > + void *cpu_addr, dma_addr_t dma_addr, size_
From: Hiroshi DOYU
Subject: Re: [PATCHv7 9/9] ARM: dma-mapping: add support for IOMMU mapper
Date: Wed, 07 Mar 2012 08:37:06 +0200 (EET)
Message-ID: <20120307.083706.2087121294965856946.hd...@nvidia.com>
> From: Hiroshi DOYU
> Subject: Re: [PATCHv7 9/9] ARM: dma-mapping: add suppo
> > > It should be as follows.
> > > unsigned int count = 1 << get_order(size) - order;
>
> To be precise, as below?
>
> unsigned int count = 1 << (get_order(size) - order);
Minus has more precedence than left shift.
"1 << get_order(size) - order;" is equivalent to 1 << (get_order(size) - order
From: Hiroshi DOYU
Subject: Re: [PATCHv7 9/9] ARM: dma-mapping: add support for IOMMU mapper
Date: Wed, 07 Mar 2012 08:09:52 +0200 (EET)
Message-ID: <20120307.080952.2152478004740487196.hd...@nvidia.com>
> From: Krishna Reddy
> Subject: RE: [PATCHv7 9/9] ARM: dma-mapping: add suppo
From: Krishna Reddy
Subject: RE: [PATCHv7 9/9] ARM: dma-mapping: add support for IOMMU mapper
Date: Tue, 6 Mar 2012 23:48:42 +0100
Message-ID: <401e54ce964cd94bae1eb4a729c7087e3797011...@hqmail04.nvidia.com>
> > > +struct dma_iommu_mapping *
> > > +arm_iommu_create_mapp
> On Wed, Feb 29, 2012 at 04:04:22PM +0100, Marek Szyprowski wrote:
> > +static int arm_iommu_mmap_attrs(struct device *dev, struct
> vm_area_struct *vma,
> > + void *cpu_addr, dma_addr_t dma_addr, size_t size,
> > + struct dma_attrs *attrs)
> > +{
> > + struct arm_vmr
On Wed, Feb 29, 2012 at 04:04:22PM +0100, Marek Szyprowski wrote:
> +static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct
> *vma,
> + void *cpu_addr, dma_addr_t dma_addr, size_t size,
> + struct dma_attrs *attrs)
> +{
> + struct arm_vmregion
> > +struct dma_iommu_mapping *
> > +arm_iommu_create_mapping(struct bus_type *bus, dma_addr_t base, size_t
> > size,
> > +int order)
> > +{
> > + unsigned int count = (size >> PAGE_SHIFT) - order;
> > + unsigned int bitmap_size = BITS_TO_LONGS(count) * sizeof(l
Hello,
On Monday, March 05, 2012 12:47 PM Hiroshi Doyu wrote:
> On Wed, 29 Feb 2012 16:04:22 +0100
> Marek Szyprowski wrote:
>
> > This patch add a complete implementation of DMA-mapping API for
> > devices that have IOMMU support. All DMA-mapping calls are supported.
> >
> > This patch contain
Hi Marek,
On Wed, 29 Feb 2012 16:04:22 +0100
Marek Szyprowski wrote:
> This patch add a complete implementation of DMA-mapping API for
> devices that have IOMMU support. All DMA-mapping calls are supported.
>
> This patch contains some of the code kindly provided by Krishna Reddy
> and Andrzej
Hello,
On Friday, March 02, 2012 9:06 AM KyongHo Cho wrote:
> On Thu, Mar 1, 2012 at 12:04 AM, Marek Szyprowski
> wrote:
> > +/**
> > + * arm_iommu_map_sg - map a set of SG buffers for streaming mode DMA
> > + * @dev: valid struct device pointer
> > + * @sg: list of buffers
> > + * @nents: numbe
On Thu, Mar 1, 2012 at 12:04 AM, Marek Szyprowski
wrote:
> +/**
> + * arm_iommu_map_sg - map a set of SG buffers for streaming mode DMA
> + * @dev: valid struct device pointer
> + * @sg: list of buffers
> + * @nents: number of buffers to map
> + * @dir: DMA transfer direction
> + *
> + * Map a set
This patch add a complete implementation of DMA-mapping API for
devices that have IOMMU support. All DMA-mapping calls are supported.
This patch contains some of the code kindly provided by Krishna Reddy
and Andrzej Pietrasiewicz
Signed-off-by: Marek Szyprowski
Signed-off-by: Kyungmin Park
Re
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