linux-kernel - RE: [PATCH v2 02/11] iommu: Add nested domain support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <BL1PR11MB52717388249F052433A7FBB08C7C9@BL1PR11MB5271.namprd11.prod.outlook.com>
Date:   Fri, 19 May 2023 08:51:21 +0000
From:   "Tian, Kevin" <kevin.tian@...el.com>
To:     "Liu, Yi L" <yi.l.liu@...el.com>,
        "joro@...tes.org" <joro@...tes.org>,
        "alex.williamson@...hat.com" <alex.williamson@...hat.com>,
        "jgg@...dia.com" <jgg@...dia.com>,
        "robin.murphy@....com" <robin.murphy@....com>,
        "baolu.lu@...ux.intel.com" <baolu.lu@...ux.intel.com>
CC:     "cohuck@...hat.com" <cohuck@...hat.com>,
        "eric.auger@...hat.com" <eric.auger@...hat.com>,
        "nicolinc@...dia.com" <nicolinc@...dia.com>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
        "mjrosato@...ux.ibm.com" <mjrosato@...ux.ibm.com>,
        "chao.p.peng@...ux.intel.com" <chao.p.peng@...ux.intel.com>,
        "Liu, Yi L" <yi.l.liu@...el.com>,
        "yi.y.sun@...ux.intel.com" <yi.y.sun@...ux.intel.com>,
        "peterx@...hat.com" <peterx@...hat.com>,
        "jasowang@...hat.com" <jasowang@...hat.com>,
        "shameerali.kolothum.thodi@...wei.com" 
        <shameerali.kolothum.thodi@...wei.com>,
        "lulu@...hat.com" <lulu@...hat.com>,
        "suravee.suthikulpanit@....com" <suravee.suthikulpanit@....com>,
        "iommu@...ts.linux.dev" <iommu@...ts.linux.dev>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-kselftest@...r.kernel.org" <linux-kselftest@...r.kernel.org>,
        "Duan, Zhenzhong" <zhenzhong.duan@...el.com>
Subject: RE: [PATCH v2 02/11] iommu: Add nested domain support

> From: Yi Liu <yi.l.liu@...el.com>
> Sent: Thursday, May 11, 2023 10:39 PM
> 
> @@ -66,6 +66,9 @@ struct iommu_domain_geometry {
> 
>  #define __IOMMU_DOMAIN_SVA	(1U << 4)  /* Shared process address
> space */
> 
> +#define __IOMMU_DOMAIN_NESTED	(1U << 5)  /* User-managed IOVA
> nested on
> +					      a stage-2 translation        */

s/IOVA/address space/

> @@ -346,6 +350,10 @@ struct iommu_ops {
>   * @iotlb_sync_map: Sync mappings created recently using @map to the
> hardware
>   * @iotlb_sync: Flush all queued ranges from the hardware TLBs and empty
> flush
>   *            queue
> + * @cache_invalidate_user: Flush hardware TLBs caching user space IO
> mappings
> + * @cache_invalidate_user_data_len: Defined length of input user data for
> the
> + *                                  cache_invalidate_user op, being sizeof the
> + *                                  structure in include/uapi/linux/iommufd.h

same as comment to last patch, can this be merged with @hw_info?