linux-kernel - Re: [PATCH v1 01/16] iommufd/viommu: Add IOMMUFD_OBJ_VIOMMU and IOMMU_VIOMMU

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Message-ID: <20240815183142.GO2032816@nvidia.com>
Date: Thu, 15 Aug 2024 15:31:42 -0300
From: Jason Gunthorpe <jgg@...dia.com>
To: Nicolin Chen <nicolinc@...dia.com>
Cc: kevin.tian@...el.com, will@...nel.org, joro@...tes.org,
	suravee.suthikulpanit@....com, robin.murphy@....com,
	dwmw2@...radead.org, baolu.lu@...ux.intel.com, shuah@...nel.org,
	linux-kernel@...r.kernel.org, iommu@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v1 01/16] iommufd/viommu: Add IOMMUFD_OBJ_VIOMMU and
 IOMMU_VIOMMU_ALLOC ioctl

On Wed, Aug 07, 2024 at 01:10:42PM -0700, Nicolin Chen wrote:
> @@ -876,4 +877,33 @@ struct iommu_fault_alloc {
>  	__u32 out_fault_fd;
>  };
>  #define IOMMU_FAULT_QUEUE_ALLOC _IO(IOMMUFD_TYPE, IOMMUFD_CMD_FAULT_QUEUE_ALLOC)
> +
> +/**
> + * enum iommu_viommu_type - Virtual IOMMU Type
> + * @IOMMU_VIOMMU_TYPE_DEFAULT: Core-managed VIOMMU type
> + */
> +enum iommu_viommu_type {
> +	IOMMU_VIOMMU_TYPE_DEFAULT,

= 0 here now

Jason