Alistair,

I'm ready to merge this. Are you OK with me sending the pull request
including the SPDM changes, or do you want to take that part through
your tree?

On Oct  3 21:39, Wilfred Mallawa wrote:
> From: Wilfred Mallawa <[email protected]>
> 
> This series extends the existing SPDM support in QEMU to support the DSP0286
> SPDM Storage Transport [1] for NVMe. SPDM Storage Transport uses the NVMe
> Admin Security Send/Receive commands, as such, support for these commands have
> also been added.
> 
> With the addition of a new `spdm-trans` CLI argument for NVMe controllers,
> users can specify `spdm_trans=nvme` or `spdm_trans=doe`. This allows for the
> selection of the SPDM transport. The `doe` option is the current default,
> `nvme` would select SPDM Storage Transport for the controller, where SPDM
> communication happens over the NVMe Admin Security Send/Receive commands.
> 
> Support for DSP0286 already exists in `libspdm` [2] and support for the QEMU
> SPDM server is being upstreamed for `spdm-utils` [3]. This series was tested 
> by
> using `spdm-utils` as the qemu SPDM server with SPDM Storage Transport support
> built with `libspdm` v3.8.0, and `spdm-utils` also as the SPDM requester.
> 
> Changes V1 -> V2:
>       - spdm_socket_rsp() now uses the new spdm_socket_send/receive()
>        functions. spdm_socket_command_valid() is added to parse the
>        command value incase some bytes were received (result = true) but
>        with an invalid command.
> 
>       - Added inline comments to describe fields of
>        StorageSpdmTransportHeader. Checkpatch generates warnings, but lots of
>        existing code does this. The QEMU_PACKED attribute now follows the
>        StorageSpdmTransportHeader struct definition.
> 
>       - Use extract32() instead of manual shifting/masking in
>        nvme_sec_prot_spdm_send/recv().
> 
>       - Use g_autofree for send/recv buffer allocation
>        in nvme_sec_prot_spdm_send/recv().
>       
>       - Added explicit fallthrough comment for checking `secp` in
>        nvme_security_receive()
>       
>       - Added enum support for SPDM transport type, such that a user defined
>        transport type string, can be mapped to the respective enum for
>        internal use.
> 
> Changes V2 -> V3:
>       - Fixed up the incorrect use of `NVME_NO_COMPLETE` to more appropriate
>        NVMe error codes in Patch [3/5]. Note that DSP0286 does not define
>        error codes for transport level failures.
>       
>       - Removed NULL check for g_malloc0(). Should abort instead.
> 
> Changes V3 -> V4:
>     - Added integer overflow and MDTS checking for spdm_sends
>     - Use g_try_malloc0() over g_malloc0()
>     - Fixed up endian conversion for command status received from
>       the server.
>     - Added check to only accept SPDM send/receive if the socket
>       has been setup.
>     - Only show SPDM as a supported protocol if the socket
>       has been setup.
>       
> Changes V4 -> V5:
>     - Init spdm_socket fd to -1 for NVMe. Allow 0 to be a valid file 
> descriptor
>       for the socket.
>     - Move transport definitions to the patches they are used in.
>     - Avoid splitting SPSP0/SPSP1. Use a uint16 instead.
>     - Fixup up incorrect (uint8_t *) casting in calls to
>       spdm_socket_receive/send().
>     - Default to SPDM over DoE if transport is not specified.
>     - Fixup alignment (style).
> 
> Changes V5 -> V6:
>     - Minor comment style fixup for the description of 
> StorageSpdmTransportHeader
>     - Change spdm_socket_rsp() to directly return spdm_socket_receive()
> 
> Changes V6 -> V7:
>     - Added an assert() to check that only one spdm socket was setup in
>       nvme_exit().
>     - Merged spdm_socket_close() calls into an else if for DoE/NVMe.
> 
> Changes V7 -> V8:
>     - Added specification references for StorageSpdmTransportHeader
> 
> Wilfred Mallawa (5):
>   spdm-socket: add seperate send/recv functions
>   spdm: add spdm storage transport virtual header
>   hw/nvme: add NVMe Admin Security SPDM support
>   spdm: define SPDM transport enum types
>   hw/nvme: connect SPDM over NVMe Security Send/Recv
> 
>  backends/spdm-socket.c       |  79 +++++++++--
>  docs/specs/spdm.rst          |  10 +-
>  hw/nvme/ctrl.c               | 257 +++++++++++++++++++++++++++++++++--
>  hw/nvme/nvme.h               |   5 +
>  include/block/nvme.h         |  15 ++
>  include/hw/pci/pci_device.h  |   2 +
>  include/system/spdm-socket.h |  65 ++++++++-
>  7 files changed, 404 insertions(+), 29 deletions(-)
> 
> -- 
> 2.51.0
> 
> 

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