[SYCL] Add UUID and sub-, sub-sub- device info in sycl-ls --verbose

[uditagarwal97]

Example sycl-ls --verbose output:

...
Platform [#1]:
    Version  : 1.3
    Name     : Intel(R) Level-Zero
    Vendor   : Intel(R) Corporation
    Devices  : 1
        Type              : gpu
        Version           : 12.60.7
        Name              : Intel(R) Data Center GPU Max 1550
        Vendor            : Intel(R) Corporation
        Driver            : 1.3.26918
        UUID              : 1341282141147000580000000
        Num SubDevices    : 2
        Num SubSubDevices : 8
        Aspects           : gpu fp16 fp64 ...

[RaviNarayanaswamy]

Should you be using ZE_MAX_DEVICE_UUID_SIZE instead of assuming size is 16

[uditagarwal97]

That can be done. But, Isn't the UUID size fixed to 16: https://github.com/intel/llvm/blob/sycl/sycl/doc/extensions/supported/sycl_ext_intel_device_info.md#device-uuid?

[RaviNarayanaswamy]

If it is documented as 16 then ok.

[mabraham]

Or just use a range-based for loop on UUID

[cperkinsintel]

will this work on Gen12 ? Or is it PVC only?

[uditagarwal97]

It should work on Gen12 as well. The test passes on Gen12 precommit: https://github.com/intel/llvm/actions/runs/9343215312/job/25714501971

[uditagarwal97]

Pre commit failure in Linux Gen12 is in BFloat16/bfloat16_builtins.cpp E2E test which is unrelated to this PR and reported in #13790

[uditagarwal97]

@intel/llvm-gatekeepers The PR is ready!