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Subject: Re: [PATCH v13 0/4] Add uacce module for Accelerator
To:     Herbert Xu <herbert@gondor.apana.org.au>
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Arnd Bergmann <arnd@arndb.de>, jonathan.cameron@huawei.com,
        dave.jiang@intel.com, grant.likely@arm.com,
        jean-philippe <jean-philippe@linaro.org>,
        Jerome Glisse <jglisse@redhat.com>,
        ilias.apalodimas@linaro.org, francois.ozog@linaro.org,
        kenneth-lee-2012@foxmail.com, Wangzhou <wangzhou1@hisilicon.com>,
        "haojian . zhuang" <haojian.zhuang@linaro.org>,
        guodong.xu@linaro.org, linux-accelerators@lists.ozlabs.org,
        linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org,
        iommu@lists.linux-foundation.org
References: <1581407665-13504-1-git-send-email-zhangfei.gao@linaro.org>
 <20200222014148.GC19028@gondor.apana.org.au>
From:   zhangfei <zhangfei.gao@linaro.org>
Message-ID: <9048453c-530a-9063-b266-faa8d434015b@linaro.org>
Date:   Sat, 22 Feb 2020 09:52:41 +0800
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On 2020/2/22 上午9:41, Herbert Xu wrote:
> On Tue, Feb 11, 2020 at 03:54:21PM +0800, Zhangfei Gao wrote:
>> Uacce (Unified/User-space-access-intended Accelerator Framework) targets to
>> provide Shared Virtual Addressing (SVA) between accelerators and processes.
>> So accelerator can access any data structure of the main cpu.
>> This differs from the data sharing between cpu and io device, which share
>> data content rather than address.
>> Because of unified address, hardware and user space of process can share
>> the same virtual address in the communication.
>>
>> Uacce is intended to be used with Jean Philippe Brucker's SVA
>> patchset[1], which enables IO side page fault and PASID support.
>> We have keep verifying with Jean's sva patchset [2]
>> We also keep verifying with Eric's SMMUv3 Nested Stage patches [3]
>>
>> This series and related zip & qm driver
>> https://github.com/Linaro/linux-kernel-warpdrive/tree/v5.6-rc1-uacce-v13
>>
>> The library and user application:
>> https://github.com/Linaro/warpdrive/tree/wdprd-upstream-v13
>>
>>
>> Kenneth Lee (2):
>>    uacce: Add documents for uacce
>>    uacce: add uacce driver
>>
>> Zhangfei Gao (2):
>>    crypto: hisilicon - Remove module_param uacce_mode
>>    crypto: hisilicon - register zip engine to uacce
>>
>>   Documentation/ABI/testing/sysfs-driver-uacce |  39 ++
>>   Documentation/misc-devices/uacce.rst         | 176 ++++++
>>   drivers/crypto/hisilicon/qm.c                | 239 ++++++-
>>   drivers/crypto/hisilicon/qm.h                |  11 +
>>   drivers/crypto/hisilicon/zip/zip_main.c      |  49 +-
>>   drivers/misc/Kconfig                         |   1 +
>>   drivers/misc/Makefile                        |   1 +
>>   drivers/misc/uacce/Kconfig                   |  13 +
>>   drivers/misc/uacce/Makefile                  |   2 +
>>   drivers/misc/uacce/uacce.c                   | 617 +++++++++++++++++++
>>   include/linux/uacce.h                        | 161 +++++
>>   include/uapi/misc/uacce/hisi_qm.h            |  23 +
>>   include/uapi/misc/uacce/uacce.h              |  38 ++
>>   13 files changed, 1337 insertions(+), 33 deletions(-)
>>   create mode 100644 Documentation/ABI/testing/sysfs-driver-uacce
>>   create mode 100644 Documentation/misc-devices/uacce.rst
>>   create mode 100644 drivers/misc/uacce/Kconfig
>>   create mode 100644 drivers/misc/uacce/Makefile
>>   create mode 100644 drivers/misc/uacce/uacce.c
>>   create mode 100644 include/linux/uacce.h
>>   create mode 100644 include/uapi/misc/uacce/hisi_qm.h
>>   create mode 100644 include/uapi/misc/uacce/uacce.h
> All applied.  Thanks.
That's Great,
Thanks Herbert for the great help.