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lib: sbi_pmu: Add PMU snapshot definitions

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OpenSBI doesn't support SBI PMU snapshot yet as there is not much benefit
unless the multiple counters overflow at the same time.

Just add the definition and return not supported error at this moment. The
default returned error is also not supported. Thus, no functional change
intended.

Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
This commit is contained in:
Atish Patra
2023-12-07 14:23:49 -08:00
committed by Anup Patel
parent 93da66b7d4
commit ee725174ba
4 changed files with 14 additions and 1 deletions
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include/sbi/sbi_error.h
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@@ -23,6 +23,7 @@
#define SBI_EALREADY SBI_ERR_ALREADY_AVAILABLE
#define SBI_EALREADY_STARTED SBI_ERR_ALREADY_STARTED
#define SBI_EALREADY_STOPPED SBI_ERR_ALREADY_STOPPED
#define SBI_ENO_SHMEM SBI_ERR_NO_SHMEM
#define SBI_ENODEV -1000
#define SBI_ENOSYS -1001