From mboxrd@z Thu Jan  1 00:00:00 1970
From: Julien Grall <julien.grall@citrix.com>
Subject: Re: [RFC][PATCH 07/13] xen/passthrough: extend
 hypercall to support rdm reservation policy
Date: Fri, 8 May 2015 17:07:58 +0100
Message-ID: <554CDF5E.8050806@citrix.com>
References: <1428657724-3498-1-git-send-email-tiejun.chen@intel.com>
	<1428657724-3498-8-git-send-email-tiejun.chen@intel.com>
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To: Tiejun Chen <tiejun.chen@intel.com>, JBeulich@suse.com, tim@xen.org, konrad.wilk@oracle.com, andrew.cooper3@citrix.com, kevin.tian@intel.com, yang.z.zhang@intel.com, ian.campbell@citrix.com, wei.liu2@citrix.com, Ian.Jackson@eu.citrix.com, stefano.stabellini@citrix.com
Cc: xen-devel@lists.xen.org
List-Id: xen-devel@lists.xenproject.org

Hi,

On 10/04/15 10:21, Tiejun Chen wrote:
> diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h
> index ca0e51e..e5ba7cb 100644
> --- a/xen/include/public/domctl.h
> +++ b/xen/include/public/domctl.h
> @@ -493,6 +493,10 @@ DEFINE_XEN_GUEST_HANDLE(xen_domctl_sendtrigger_t);
>  /* XEN_DOMCTL_deassign_device */
>  struct xen_domctl_assign_device {
>      uint32_t  machine_sbdf;   /* machine PCI ID of assigned device */
> +    /* IN */
> +#define XEN_DOMCTL_PCIDEV_RDM_TRY       0
> +#define XEN_DOMCTL_PCIDEV_RDM_FORCE     1
> +    uint32_t  sbdf_flag;   /* flag of assigned device */
>  };
>  typedef struct xen_domctl_assign_device xen_domctl_assign_device_t;
>  DEFINE_XEN_GUEST_HANDLE(xen_domctl_assign_device_t);
> diff --git a/xen/include/xen/iommu.h b/xen/include/xen/iommu.h
> index 8565b82..0d10b3d 100644
> --- a/xen/include/xen/iommu.h
> +++ b/xen/include/xen/iommu.h
> @@ -129,7 +129,7 @@ struct iommu_ops {
>      int (*add_device)(u8 devfn, device_t *dev);
>      int (*enable_device)(device_t *dev);
>      int (*remove_device)(u8 devfn, device_t *dev);
> -    int (*assign_device)(struct domain *, u8 devfn, device_t *dev);
> +    int (*assign_device)(struct domain *, u8 devfn, device_t *dev, u32 flag);

You need to update the ARM code with this new prototype:

xen/drivers/passthrough/device_tree.c
xen/drivers/passthrough/arm/smmu.c

Regards,

-- 
Julien Grall