linux-kernel - Re: linux-next: manual merge of the iommufd tree with the iommu tree

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Message-ID: <20231025121709.GC3952@nvidia.com>
Date:   Wed, 25 Oct 2023 09:17:09 -0300
From:   Jason Gunthorpe <jgg@...dia.com>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Joerg Roedel <joro@...tes.org>, Joerg Roedel <jroedel@...e.de>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Linux Next Mailing List <linux-next@...r.kernel.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Nicolin Chen <nicolinc@...dia.com>, Yi Liu <yi.l.liu@...el.com>
Subject: Re: linux-next: manual merge of the iommufd tree with the iommu tree

On Wed, Oct 25, 2023 at 03:44:20PM +1100, Stephen Rothwell wrote:
> diff --cc include/linux/iommu.h
> index b5b254e205c6,f347bf31761f..000000000000
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@@ -64,8 -66,10 +66,11 @@@ struct iommu_domain_geometry 
>   #define __IOMMU_DOMAIN_DMA_FQ	(1U << 3)  /* DMA-API uses flush queue    */
>   
>   #define __IOMMU_DOMAIN_SVA	(1U << 4)  /* Shared process address space */
>  +#define __IOMMU_DOMAIN_PLATFORM	(1U << 5)
>   
> + #define __IOMMU_DOMAIN_NESTED	(1U << 5)  /* User-managed address space nested
> + 					      on a stage-2 translation        */

One of these should be 6

I'm going to change my tree so __IOMMU_DOMAIN_NESTED is 6

Otherwise looks OK thanks

Jason