[kvm-unit-tests PATCH v5 0/5] riscv: sbi: Add support to test HSM extension

[Andrew Jones <andrew.jones@linux.dev>]

On Sat, Sep 21, 2024 at 06:08:18PM +0800, James Raphael Tiovalen wrote:
> This patch series adds support for testing all 4 functions of the HSM
> extension as defined in the RISC-V SBI specification. The first 4
> patches add some helper routines to prepare for the HSM test, while
> the last patch adds the actual test for the HSM extension.

Hi James,

Patch1 is now merged and I've applied patch2 to riscv/sbi[1]. I've also
applied [2] and [3] to riscv/sbi so patches 3 and 4 of this series
should no longer be necessary. Can you please rebase patch5 on
riscv/sbi and repost?

[1] https://gitlab.com/jones-drew/kvm-unit-tests/-/commits/riscv/sbi
[2] https://lore.kernel.org/all/20241023131718.117452-4-andrew.jones at linux.dev/
[3] https://lore.kernel.org/all/20241023132130.118073-6-andrew.jones at linux.dev/

Thanks,
drew

> 
> v5:
> - Addressed all of Andrew's comments.
> - Added 2 new patches to clear on_cpu_info[cpu].func and to set the
>   cpu_started mask, which are used to perform cleanup after running the
>   HSM tests.
> - Added some new tests to validate suspension on RV64 with the high
>   bits set for suspend_type.
> - Picked up the hartid_to_cpu rewrite patch from Andrew's branch.
> - Moved the variables declared in riscv/sbi.c in patch 2 to group it
>   together with the other HSM test variables declared in patch 5.
> 
> v4:
> - Addressed all of Andrew's comments.
> - Included the 2 patches from Andrew's branch that refactored some
>   functions.
> - Added timers to all of the waiting activities in the HSM tests.
> 
> v3:
> - Addressed all of Andrew's comments.
> - Split the report_prefix_pop patch into its own series.
> - Added a new environment variable to specify the maximum number of
>   CPUs supported by the SBI implementation.
> 
> v2:
> - Addressed all of Andrew's comments.
> - Added a new patch to add helper routines to clear multiple prefixes.
> - Reworked the approach to test the HSM extension by using cpumask and
>   on-cpus.
> 
> Andrew Jones (1):
>   riscv: Rewrite hartid_to_cpu in assembly
> 
> James Raphael Tiovalen (4):
>   riscv: sbi: Provide entry point for HSM tests
>   lib/on-cpus: Add helper method to clear the function from on_cpu_info
>   riscv: Add helper method to set cpu started mask
>   riscv: sbi: Add tests for HSM extension
> 
>  riscv/Makefile          |   3 +-
>  lib/riscv/asm/smp.h     |   2 +
>  lib/on-cpus.h           |   1 +
>  lib/on-cpus.c           |  11 +
>  lib/riscv/asm-offsets.c |   5 +
>  lib/riscv/setup.c       |  10 -
>  lib/riscv/smp.c         |   8 +
>  riscv/sbi-tests.h       |  10 +
>  riscv/cstart.S          |  24 ++
>  riscv/sbi-asm.S         |  71 +++++
>  riscv/sbi.c             | 651 ++++++++++++++++++++++++++++++++++++++++
>  11 files changed, 785 insertions(+), 11 deletions(-)
>  create mode 100644 riscv/sbi-tests.h
>  create mode 100644 riscv/sbi-asm.S
> 
> --
> 2.43.0
> 
> 
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