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Subject: Re: [PATCH v12 0/2] virtio-crypto: virtio crypto device specification
On Mon, Oct 24, 2016 at 06:51:52AM +0000, Gonglei (Arei) wrote: > Ping.... > > And the corresponding source code v9 on QEMU side had been posted: > > [PATCH v9 00/12] virtio-crypto: introduce framework and device emulation > https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg04755.html > > Regards, > -Gonglei If there are no comments and this is ready to get votes now, pls open the jira issue that you created. I can then start the ballot. > > > -----Original Message----- > > From: Gonglei (Arei) > > Sent: Monday, October 10, 2016 11:37 AM > > Subject: [PATCH v12 0/2] virtio-crypto: virtio crypto device specification > > > > This is the specification about a new virtio crypto device. > > > > You can get the source code from the below website: > > > > [PATCH v3 00/10] virtio-crypto: introduce framework and device emulation > > https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg04132.html > > > > [PATCH v4 00/13] virtio-crypto: introduce framework and device emulation > > https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg07327.html > > > > [PATCH v5 00/14] virtio-crypto: introduce framework and device emulation > > https://lists.gnu.org/archive/html/qemu-devel/2016-10/msg00963.html > > > > For more information, please see: > > http://qemu-project.org/Features/VirtioCrypto > > > > Please help to review, thanks. > > > > CC: Michael S. Tsirkin <mst@redhat.com> > > CC: Cornelia Huck <cornelia.huck@de.ibm.com> > > CC: Stefan Hajnoczi <stefanha@redhat.com> > > CC: Lingli Deng <denglingli@chinamobile.com> > > CC: Jani Kokkonen <Jani.Kokkonen@huawei.com> > > CC: Ola Liljedahl <Ola.Liljedahl@arm.com> > > CC: Varun Sethi <Varun.Sethi@freescale.com> > > CC: Zeng Xin <xin.zeng@intel.com> > > CC: Keating Brian <brian.a.keating@intel.com> > > CC: Ma Liang J <liang.j.ma@intel.com> > > CC: Griffin John <john.griffin@intel.com> > > CC: Hanweidong <hanweidong@huawei.com> > > CC: Mihai Claudiu Caraman <mike.caraman@nxp.com> > > > > Changes since v11: > > - drop scatter-gather I/O definition for virtio crypto device because > > The vring already provides scatter-gather I/O. It is usually not > > necessary to define scatter-gather I/O at the device level. [Stefan] > > - perfect algorithm chain parameters' definition. > > - add HASH/MAC parameter structure. > > > > Changes since v10: > > - fix typos s/filed/field/. [Xin] > > - replace 'real cypto accelerator' with 'backend crypto accelerator'. [mst] > > - drop KDF, ASYM, PRIMITIVE services description temporarily. [mst] > > - write a device requirement are testable about > > VIRTIO_CRYPTO_S_HW_READY. [mst] > > - add a space before * in one code comment. [mst] > > - reset the layout of all crypto operations for better asymmetric algos support. > > [Xin] > > - add more detailed description for initialization vector under different modes. > > - sed -i 's/VIRTIO_CRYPTO_OP_/VIRTIO_CRYPTO_/g' for general usage in > > asym algos. [Xin] > > > > Changes since v9: > > - request a native speaker go over the text and fix corresponding grammar > > issues. [mst] > > - make some description more appropriated over here and there. [mst] > > - rewrite some requirement for both device and driver. [mst] > > - use RFC 2119 keywords. [mst] > > - fix some complaints by Xelatex and typoes. [Xin Zeng] > > - add scatter/getter chain support for possible large block data. > > > > Thanks for your review, Michael and Xin. > > > > Changes from v8: > > - add additional auth gpa and length to struct virtio_crypto_sym_data_req; > > - add definition of op in struct virtio_crypto_cipher_session_para, > > VIRTIO_CRYPTO_OP_ENCRYPT and VIRTIO_CRYPTO_OP_DECRYPT; > > - make all structures 64bit aligned in order to support different > > architectures more conveniently [Alex & Stefan] > > - change to devicenormative{\subsection} and \drivernormative{\subsection} > > in some sections [Stefan] > > - driver does not have to initialize all data virtqueues if it wants to use fewer > > [Stefan] > > - drop VIRTIO_CRYPTO_NO_SERVICE definition [Stefan] > > - many grammatical problems and typos. [Stefan] > > - rename VIRTIO_CRYPTO_MAC_CMAC_KASUMI_F9 to > > VIRTIO_CRYPTO_MAC_CMAC_KASUMI_F9, > > and VIRTIO_CRYPTO_MAC_CMAC_SNOW3G_UIA2 to > > VIRTIO_CRYPTO_MAC_SNOW3G_UIA2. [Liang Ma] > > - drop queue_id property of struct virtio_crypto_op_data_req. > > - reconstruct some structures about session operation request. > > - introduce struct virtio_crypto_alg_chain_session_req and struct > > virtio_crypto_alg_chain_data_req, > > introduce chain para, output, input structures as well. > > - change some sections' layout for better compatibility, for asymmetric algos. > > [Xin Zeng] > > > > Changes from v7: > > - fix some grammar or typo problems. > > - add more detailed description at steps of encryption section. > > > > Changes from v6: > > - drop verion filed in struct virtio_crypto_config. [Michael & Cornelia] > > - change the incorrect description in initialization routine. [Zeng Xin] > > - redefine flag u16 to make structure alignment. [Zeng Xin] > > - move the content of virtio_crypto_hash_session_para into > > virtio_crypto_hash_session_input directly, Same to MAC/SYM/AEAD > > session creation. [Zeng Xin] > > - adjuest the sequence of idata and odata refer to the virtio scsi parts, > > meanwhile add the comments of device-readable/writable for them. > > - add restrictive documents for the guest memory in some structure, which > > MUST be gauranted to be allocated and physically-contiguous. > > > > Changes from v5: > > - add conformance clauses for virtio crypto device. [Michael] > > - drop VIRTIO_CRYPTO_S_STARTED. [Michael] > > - fix some characters problems. [Stefan] > > - add a MAC algorithm, named VIRTIO_CRYPTO_MAC_ZUC_EIA3. [Zeng Xin] > > - add the fourth return code, named VIRTIO_CRYPTO_OP_INVSESS used > > for invalid session id when executing crypto operations. > > - drop some gpu stuff forgot to delete. [Michael] > > - convert tab to space all over the content. > > > > Changes from v4: > > - introduce crypto services into virtio crypto device. The services > > currently defined are CIPHER, MAC, HASH, AEAD, KDF, ASYM, PRIMITIVE. > > - define a unified crypto request format that is consisted of > > general header + service specific request, Where 'general header' is for > > all > > crypto request, 'service specific request' is composed of > > operation parameter + input data + output data in generally. > > operation parameter is algorithm-specific parameters, > > input data is the data should be operated , > > output data is the "operation result + result buffer". > > - redefine the algorithms and structure based on above crypto services. > > - rearrange the title and subtitle > > - Only support CIPHER, MAC, HASH and AEAD crypto services, and Xin will > > focus KDF, ASYM and PRIMITIVE services. > > - Some other corresponding fixes. > > - Make a formal patch using tex type. > > > > This version is a big reconstruction based on Zeng, Xin' comments, thanks a lot. > > > > Changes from v3: > > - Don't use enum is the spec but macros in specific structures. [Michael & > > Stefan] > > - Add two complete structures for session creation and closing, so that > > the spec is clear on how to lay out the request. [Stefan] > > - Definite the crypto operation request with assigned structure, in this way, > > each data request only occupies *one entry* of the Vring descriptor table, > > which *improves* the *throughput* of data transferring. > > > > Changes from v2: > > - Reserve virtio device ID 20 for crypto device. [Cornelia] > > - Drop all feature bits, those capabilities are offered by the device all the time. > > [Stefan & Cornelia] > > - Add a new section 1.4.2 for driver requirements. [Stefan] > > - Use definite type definition instead of enum type in some structure. [Stefan] > > - Add virtio_crypto_cipher_alg definition. [Stefan] > > - Add a "Device requirements" section as using MUST. [Stefan] > > - Some grammar nits fixes and typo fixes. [Stefan & Cornelia] > > - Add one VIRTIO_CRYPTO_S_STARTED status for the driver as the flag of > > virtio-crypto device started and can work now. > > > > Great thanks for Stefan and Cornelia! > > > > Changes from v1: > > - Drop the feature bit definition for each algorithm, and using config space > > instead [Cornelia] > > - Add multiqueue support and add corresponding feature bit > > - Update Encryption process and header definition > > - Add session operation process and add corresponding header description > > - Other better description in order to fit for virtio spec [Michael] > > - Some other trivial fixes. > > > > Gonglei (2): > > virtio-crypto: Add virtio crypto device specification > > virtio-crypto: Add conformance clauses > > > > conformance.tex | 30 ++ > > content.tex | 2 + > > virtio-crypto.tex | 999 > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > 3 files changed, 1031 insertions(+) > > create mode 100644 virtio-crypto.tex > > > > -- > > 1.7.12.4 > >
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