linux-kernel - Re: [PATCH v4 1/5] docs: IOMMU user API

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Message-ID: <6d01dac0-aa9d-e22b-9baf-28c2f538871a@linux.intel.com>
Date:   Wed, 8 Jul 2020 10:07:13 +0800
From:   Lu Baolu <baolu.lu@...ux.intel.com>
To:     Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        iommu@...ts.linux-foundation.org,
        LKML <linux-kernel@...r.kernel.org>,
        Joerg Roedel <joro@...tes.org>,
        Alex Williamson <alex.williamson@...hat.com>
Cc:     baolu.lu@...ux.intel.com, David Woodhouse <dwmw2@...radead.org>,
        Yi Liu <yi.l.liu@...el.com>,
        "Tian, Kevin" <kevin.tian@...el.com>,
        Raj Ashok <ashok.raj@...el.com>,
        Christoph Hellwig <hch@...radead.org>,
        Jean-Philippe Brucker <jean-philippe@...aro.com>,
        Eric Auger <eric.auger@...hat.com>,
        Jonathan Corbet <corbet@....net>
Subject: Re: [PATCH v4 1/5] docs: IOMMU user API

Hi,

On 7/8/20 7:43 AM, Jacob Pan wrote:
> +For UAPIs that are shared with in-kernel users, a wrapper function
> +is provided to distinguish the callers. For example,
> +
> +Userspace caller ::
> +
> +  int iommu_sva_unbind_gpasid(struct iommu_domain *domain, struct device *dev,
> +  void __user *udata)
> +
> +In-kernel caller ::
> +
> +  int __iommu_sva_unbind_gpasid(struct iommu_domain *domain, struct device *dev,
> +  struct iommu_gpasid_bind_data *data)

iommu_page_response() may have the same needs. Can we reach an agreement
on the naming rules?

Best regards,
baolu