[kvm-unit-tests PATCH v11 0/8] riscv: add SBI SSE extension tests

[Andrew Jones]

On Mon, Mar 17, 2025 at 05:46:45PM +0100, Clément Léger wrote:
> This series adds tests for SBI SSE extension as well as needed
> infrastructure for SSE support. It also adds test specific asm-offsets
> generation to use custom OFFSET and DEFINE from the test directory.
> 
> These tests can be run using an OpenSBI version that implements latest
> specifications modification [1]
> 
> Link: https://github.com/rivosinc/opensbi/tree/dev/cleger/sse [1]

Applied to riscv/sbi with the fixups pointed out.

https://gitlab.com/jones-drew/kvm-unit-tests/-/commits/riscv/sbi

Thanks,
drew

> 
> ---
> 
> V11:
>  - Use mask inside sbi_impl_opensbi_mk_version()
>  - Mask the SBI version with a new mask
>  - Use assert inside sbi_get_impl_id/version()
>  - Remove sbi_check_impl()
>  - Increase completion timeout as events failed completing under 1000
>    micros when system is loaded.
> 
> V10:
>  - Use && instead of || for timeout handling
>  - Add SBI patches which introduce function to get implementer ID and
>    version as well as implementer ID defines.
>  - Skip injection tests in OpenSBI < v1.6
> 
> V9:
>  - Use __ASSEMBLER__ instead of __ASSEMBLY__
>  - Remove extra spaces
>  - Use assert to check global event in
>    sse_global_event_set_current_hart()
>  - Tabulate SSE events names table
>  - Use sbi_sse_register() instead of sbi_sse_register_raw() in error
>    testing
>  - Move a report_pass() out of error path
>  - Rework all injection tests with better error handling
>  - Use an env var for sse event completion timeout
>  - Add timeout for some potentially infinite while() loops
> 
> V8:
>  - Short circuit current event tests if failure happens
>  - Remove SSE from all report strings
>  - Indent .prio field
>  - Add cpu_relax()/smp_rmb() where needed
>  - Add timeout for global event ENABLED state check
>  - Added BIT(32) aliases tests for attribute/event_id.
> 
> V7:
>  - Test ids/attributes/attributes count > 32 bits
>  - Rename all SSE function to sbi_sse_*
>  - Use event_id instead of event/evt
>  - Factorize read/write test
>  - Use virt_to_phys() for attributes read/write.
>  - Extensively use sbiret_report_error()
>  - Change check function return values to bool.
>  - Added assert for stack size to be below or equal to PAGE_SIZE
>  - Use en env variable for the maximum hart ID
>  - Check that individual read from attributes matches the multiple
>    attributes read.
>  - Added multiple attributes write at once
>  - Used READ_ONCE/WRITE_ONCE
>  - Inject all local event at once rather than looping fopr each core.
>  - Split test_arg for local_dispatch test so that all CPUs can run at
>    once.
>  - Move SSE entry and generic code to lib/riscv for other tests
>  - Fix unmask/mask state checking
> 
> V6:
>  - Add missing $(generated-file) dependencies for "-deps" objects
>  - Split SSE entry from sbi-asm.S to sse-asm.S and all SSE core functions
>    since it will be useful for other tests as well (dbltrp).
> 
> V5:
>  - Update event ranges based on latest spec
>  - Rename asm-offset-test.c to sbi-asm-offset.c
> 
> V4:
>  - Fix typo sbi_ext_ss_fid -> sbi_ext_sse_fid
>  - Add proper asm-offset generation for tests
>  - Move SSE specific file from lib/riscv to riscv/
> 
> V3:
>  - Add -deps variable for test specific dependencies
>  - Fix formatting errors/typo in sbi.h
>  - Add missing double trap event
>  - Alphabetize sbi-sse.c includes
>  - Fix a6 content after unmasking event
>  - Add SSE HART_MASK/UNMASK test
>  - Use mv instead of move
>  - move sbi_check_sse() definition in sbi.c
>  - Remove sbi_sse test from unitests.cfg
> 
> V2:
>  - Rebased on origin/master and integrate it into sbi.c tests
> 
> Clément Léger (8):
>   kbuild: Allow multiple asm-offsets file to be generated
>   riscv: Set .aux.o files as .PRECIOUS
>   riscv: Use asm-offsets to generate SBI_EXT_HSM values
>   lib: riscv: Add functions for version checking
>   lib: riscv: Add functions to get implementer ID and version
>   riscv: lib: Add SBI SSE extension definitions
>   lib: riscv: Add SBI SSE support
>   riscv: sbi: Add SSE extension tests
> 
>  scripts/asm-offsets.mak |   22 +-
>  riscv/Makefile          |    5 +-
>  lib/riscv/asm/csr.h     |    1 +
>  lib/riscv/asm/sbi.h     |  177 +++++-
>  lib/riscv/sbi-sse-asm.S |  102 ++++
>  lib/riscv/asm-offsets.c |    9 +
>  lib/riscv/sbi.c         |  105 +++-
>  riscv/sbi-tests.h       |    1 +
>  riscv/sbi-asm.S         |    6 +-
>  riscv/sbi-asm-offsets.c |   11 +
>  riscv/sbi-sse.c         | 1278 +++++++++++++++++++++++++++++++++++++++
>  riscv/sbi.c             |    2 +
>  riscv/.gitignore        |    1 +
>  13 files changed, 1707 insertions(+), 13 deletions(-)
>  create mode 100644 lib/riscv/sbi-sse-asm.S
>  create mode 100644 riscv/sbi-asm-offsets.c
>  create mode 100644 riscv/sbi-sse.c
>  create mode 100644 riscv/.gitignore
> 
> -- 
> 2.47.2
>