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lib: sbi: sse: Return SBI_EDENIED for read only parameters.

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The SSE specification did specified that read only parameters should
return SBI_EBADRANGE but was modified recently to return SBI_EDENIED.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
This commit is contained in:
Clément Léger
2025-03-25 11:26:10 +01:00
committed by Anup Patel
parent 5dc7a6db6f
commit 1e7258d6a8
1 changed files with 8 additions and 2 deletions
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10
lib/sbi/sbi_sse.c
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@@ -388,7 +388,7 @@ static int sse_event_set_hart_id_check(struct sbi_sse_event *e,
struct sbi_domain *hd = sbi_domain_thishart_ptr(); struct sbi_domain *hd = sbi_domain_thishart_ptr();
if (!sse_event_is_global(e)) if (!sse_event_is_global(e))
return SBI_EBAD_RANGE; return SBI_EDENIED;
if (!sbi_domain_is_assigned_hart(hd, sbi_hartid_to_hartindex(hartid))) if (!sbi_domain_is_assigned_hart(hd, sbi_hartid_to_hartindex(hartid)))
return SBI_EINVAL; return SBI_EINVAL;
@@ -444,7 +444,13 @@ static int sse_event_set_attr_check(struct sbi_sse_event *e, uint32_t attr_id,
return SBI_OK; return SBI_OK;
default: default:
return SBI_EBAD_RANGE; /*
* Attribute range validity was already checked by
* sbi_sse_attr_check(). If we end up here, attribute was not
* handled by the above 'case' statements and thus it is
* read-only.
*/
return SBI_EDENIED;
} }
} }