Patchwork [1/4,v2] iommu/fsl: Store iommu domain information pointer in archdata.

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Submitter Varun Sethi
Date Nov. 20, 2012, 1:54 p.m.
Message ID <1353419697-31269-2-git-send-email-Varun.Sethi@freescale.com>
Download mbox | patch
Permalink /patch/200338/
State Superseded
Delegated to: Kumar Gala
Headers show

Comments

Varun Sethi - Nov. 20, 2012, 1:54 p.m.
Add a new field in the device (powerpc) archdata structure for storing iommu domain
information pointer. This pointer is stored when the device is attached to a particular
domain.

Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
---
 arch/powerpc/include/asm/device.h |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
Sethi Varun-B16395 - Nov. 26, 2012, 5:33 a.m.
Hi Kumar,
Can you please apply this patch.

Regards
Varun

> -----Original Message-----
> From: Sethi Varun-B16395
> Sent: Tuesday, November 20, 2012 7:25 PM
> To: joerg.roedel@amd.com; iommu@lists.linux-foundation.org; linuxppc-
> dev@lists.ozlabs.org; linux-kernel@vger.kernel.org; Wood Scott-B07421;
> Tabi Timur-B04825
> Cc: Sethi Varun-B16395
> Subject: [PATCH 1/4 v2] iommu/fsl: Store iommu domain information pointer
> in archdata.
> 
> Add a new field in the device (powerpc) archdata structure for storing
> iommu domain information pointer. This pointer is stored when the device
> is attached to a particular domain.
> 
> Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
> ---
>  arch/powerpc/include/asm/device.h |    4 ++++
>  1 files changed, 4 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/powerpc/include/asm/device.h
> b/arch/powerpc/include/asm/device.h
> index 77e97dd..6dc79fe 100644
> --- a/arch/powerpc/include/asm/device.h
> +++ b/arch/powerpc/include/asm/device.h
> @@ -28,6 +28,10 @@ struct dev_archdata {
>  		void		*iommu_table_base;
>  	} dma_data;
> 
> +	/* IOMMU domain information pointer. This would be set
> +	 * when this device is attached to an iommu_domain.
> +	 */
> +	void			*iommu_domain;
>  #ifdef CONFIG_SWIOTLB
>  	dma_addr_t		max_direct_dma_addr;
>  #endif
> --
> 1.7.4.1
Kumar Gala - Nov. 28, 2012, 5:35 p.m.
On Nov 25, 2012, at 11:33 PM, Sethi Varun-B16395 wrote:

> Hi Kumar,
> Can you please apply this patch.
> 
> Regards
> Varun

Was waiting on the others to apply this all together.  (ie getting an Ack from Joerg, and follow comments from Timur to be resolved)

- k

> 
>> -----Original Message-----
>> From: Sethi Varun-B16395
>> Sent: Tuesday, November 20, 2012 7:25 PM
>> To: joerg.roedel@amd.com; iommu@lists.linux-foundation.org; linuxppc-
>> dev@lists.ozlabs.org; linux-kernel@vger.kernel.org; Wood Scott-B07421;
>> Tabi Timur-B04825
>> Cc: Sethi Varun-B16395
>> Subject: [PATCH 1/4 v2] iommu/fsl: Store iommu domain information pointer
>> in archdata.
>> 
>> Add a new field in the device (powerpc) archdata structure for storing
>> iommu domain information pointer. This pointer is stored when the device
>> is attached to a particular domain.
>> 
>> Signed-off-by: Varun Sethi <Varun.Sethi@freescale.com>
>> ---
>> arch/powerpc/include/asm/device.h |    4 ++++
>> 1 files changed, 4 insertions(+), 0 deletions(-)
>> 
>> diff --git a/arch/powerpc/include/asm/device.h
>> b/arch/powerpc/include/asm/device.h
>> index 77e97dd..6dc79fe 100644
>> --- a/arch/powerpc/include/asm/device.h
>> +++ b/arch/powerpc/include/asm/device.h
>> @@ -28,6 +28,10 @@ struct dev_archdata {
>> 		void		*iommu_table_base;
>> 	} dma_data;
>> 
>> +	/* IOMMU domain information pointer. This would be set
>> +	 * when this device is attached to an iommu_domain.
>> +	 */
>> +	void			*iommu_domain;
>> #ifdef CONFIG_SWIOTLB
>> 	dma_addr_t		max_direct_dma_addr;
>> #endif
>> --
>> 1.7.4.1
>

Patch

diff --git a/arch/powerpc/include/asm/device.h b/arch/powerpc/include/asm/device.h
index 77e97dd..6dc79fe 100644
--- a/arch/powerpc/include/asm/device.h
+++ b/arch/powerpc/include/asm/device.h
@@ -28,6 +28,10 @@  struct dev_archdata {
 		void		*iommu_table_base;
 	} dma_data;
 
+	/* IOMMU domain information pointer. This would be set
+	 * when this device is attached to an iommu_domain.
+	 */
+	void			*iommu_domain;
 #ifdef CONFIG_SWIOTLB
 	dma_addr_t		max_direct_dma_addr;
 #endif