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lib: sbi: Add system_suspend_allowed domain property

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Only privileged domains should be allowed to suspend the entire
system. Give the root domain this property by default and allow
other domains to be given the property by specifying it in the
DT.

Signed-off-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Andrew Jones
2023-02-27 11:31:03 +01:00
committed by Anup Patel
parent 73623a0aca
commit c9917b6108
4 changed files with 18 additions and 0 deletions
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lib/sbi/sbi_domain.c
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@@ -38,6 +38,7 @@ struct sbi_domain root = {
.possible_harts = &root_hmask,
.regions = root_memregs,
.system_reset_allowed = true,
.system_suspend_allowed = true,
};
bool sbi_domain_is_assigned_hart(const struct sbi_domain *dom, u32 hartid)
@@ -467,6 +468,9 @@ void sbi_domain_dump(const struct sbi_domain *dom, const char *suffix)
sbi_printf("Domain%d SysReset %s: %s\n",
dom->index, suffix, (dom->system_reset_allowed) ? "yes" : "no");
sbi_printf("Domain%d SysSuspend %s: %s\n",
dom->index, suffix, (dom->system_suspend_allowed) ? "yes" : "no");
}
void sbi_domain_dump_all(const char *suffix)