[blk-threaded - 5/12] block: add worker thread activation

[PierreBertholom]

[5/12] part of the PR stack starting with #6123

Changes

Add inline and threaded active states and transfer runtime resources to
the worker thread during activation.

Keep queue config and interrupt state on the VMM thread and register
runtime events on the thread that owns the data path.

[codecov]

Codecov Report

❌ Patch coverage is 37.67123% with 91 lines in your changes missing coverage. Please review.
✅ Project coverage is 81.95%. Comparing base (5209e74) to head (3e06e8d).

Files with missing lines	Patch %	Lines
src/vmm/src/devices/virtio/block/virtio/device.rs	36.69%	88 Missing ⚠️
...m/src/devices/virtio/block/virtio/event_handler.rs	50.00%	3 Missing ⚠️

Additional details and impacted files

@@                     Coverage Diff                     @@
##           pbertho/blk-threaded-04    #6126      +/-   ##
===========================================================
- Coverage                    82.11%   81.95%   -0.16%     
===========================================================
  Files                          278      278              
  Lines                        31225    31314      +89     
===========================================================
+ Hits                         25639    25663      +24     
- Misses                        5586     5651      +65     

Flag	Coverage Δ
5.10-m5n.metal	82.10% <37.67%> (-0.18%)	⬇️
5.10-m6a.metal	81.42% <37.67%> (-0.19%)	⬇️
5.10-m6g.metal	78.92% <37.67%> (-0.18%)	⬇️
5.10-m6i.metal	82.10% <37.67%> (-0.18%)	⬇️
5.10-m7a.metal-48xl	81.42% <37.67%> (-0.18%)	⬇️
5.10-m7g.metal	78.93% <37.67%> (-0.17%)	⬇️
5.10-m7i.metal-24xl	82.07% <37.67%> (-0.18%)	⬇️
5.10-m7i.metal-48xl	82.07% <37.67%> (-0.18%)	⬇️
5.10-m8g.metal-24xl	78.92% <37.67%> (-0.17%)	⬇️
5.10-m8g.metal-48xl	78.92% <37.67%> (-0.17%)	⬇️
5.10-m8i.metal-48xl	82.07% <37.67%> (-0.18%)	⬇️
5.10-m8i.metal-96xl	82.07% <37.67%> (-0.18%)	⬇️
6.1-m5n.metal	82.12% <37.67%> (-0.18%)	⬇️
6.1-m6a.metal	81.45% <37.67%> (-0.19%)	⬇️
6.1-m6g.metal	78.92% <37.67%> (-0.17%)	⬇️
6.1-m6i.metal	82.12% <37.67%> (-0.18%)	⬇️
6.1-m7a.metal-48xl	81.44% <37.67%> (-0.18%)	⬇️
6.1-m7g.metal	78.92% <37.67%> (-0.17%)	⬇️
6.1-m7i.metal-24xl	82.13% <37.67%> (-0.17%)	⬇️
6.1-m7i.metal-48xl	82.13% <37.67%> (-0.18%)	⬇️
6.1-m8g.metal-24xl	78.92% <37.67%> (-0.18%)	⬇️
6.1-m8g.metal-48xl	78.93% <37.67%> (-0.17%)	⬇️
6.1-m8i.metal-48xl	82.13% <37.67%> (-0.18%)	⬇️
6.1-m8i.metal-96xl	82.13% <37.67%> (-0.18%)	⬇️
6.18-m5n.metal	82.12% <37.67%> (-0.17%)	⬇️
6.18-m6a.metal	81.45% <37.67%> (-0.18%)	⬇️
6.18-m6g.metal	78.93% <37.67%> (-0.17%)	⬇️
6.18-m6i.metal	82.12% <37.67%> (-0.17%)	⬇️
6.18-m7a.metal-48xl	81.44% <37.67%> (-0.18%)	⬇️
6.18-m7g.metal	78.92% <37.67%> (-0.18%)	⬇️
6.18-m7i.metal-24xl	82.13% <37.67%> (-0.18%)	⬇️
6.18-m7i.metal-48xl	82.13% <37.67%> (-0.18%)	⬇️
6.18-m8g.metal-24xl	78.92% <37.67%> (-0.17%)	⬇️
6.18-m8g.metal-48xl	78.93% <37.67%> (-0.17%)	⬇️
6.18-m8i.metal-48xl	82.13% <37.67%> (-0.18%)	⬇️
6.18-m8i.metal-96xl	82.13% <37.67%> (-0.17%)	⬇️

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