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x86/hyperv: Reorder code to facilitate future work

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Reorder some code to facilitate future work. No functional
change.

Signed-off-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Link: https://lore.kernel.org/r/1679838727-87310-3-git-send-email-mikelley@microsoft.com
This commit is contained in:
Michael Kelley 2023-03-26 06:51:57 -07:00 committed by Borislav Petkov (AMD)
parent 88e378d400
commit 71290be18f
1 changed files with 34 additions and 34 deletions
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68
arch/x86/hyperv/ivm.c
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@ -235,40 +235,6 @@ void hv_ghcb_msr_read(u64 msr, u64 *value)
EXPORT_SYMBOL_GPL(hv_ghcb_msr_read);
#endif
enum hv_isolation_type hv_get_isolation_type(void)
{
if (!(ms_hyperv.priv_high & HV_ISOLATION))
return HV_ISOLATION_TYPE_NONE;
return FIELD_GET(HV_ISOLATION_TYPE, ms_hyperv.isolation_config_b);
}
EXPORT_SYMBOL_GPL(hv_get_isolation_type);
/*
* hv_is_isolation_supported - Check system runs in the Hyper-V
* isolation VM.
*/
bool hv_is_isolation_supported(void)
{
if (!cpu_feature_enabled(X86_FEATURE_HYPERVISOR))
return false;
if (!hypervisor_is_type(X86_HYPER_MS_HYPERV))
return false;
return hv_get_isolation_type() != HV_ISOLATION_TYPE_NONE;
}
DEFINE_STATIC_KEY_FALSE(isolation_type_snp);
/*
* hv_isolation_type_snp - Check system runs in the AMD SEV-SNP based
* isolation VM.
*/
bool hv_isolation_type_snp(void)
{
return static_branch_unlikely(&isolation_type_snp);
}
/*
* hv_mark_gpa_visibility - Set pages visible to host via hvcall.
*
@ -387,3 +353,37 @@ void hv_unmap_memory(void *addr)
{
vunmap(addr);
}
enum hv_isolation_type hv_get_isolation_type(void)
{
if (!(ms_hyperv.priv_high & HV_ISOLATION))
return HV_ISOLATION_TYPE_NONE;
return FIELD_GET(HV_ISOLATION_TYPE, ms_hyperv.isolation_config_b);
}
EXPORT_SYMBOL_GPL(hv_get_isolation_type);
/*
* hv_is_isolation_supported - Check system runs in the Hyper-V
* isolation VM.
*/
bool hv_is_isolation_supported(void)
{
if (!cpu_feature_enabled(X86_FEATURE_HYPERVISOR))
return false;
if (!hypervisor_is_type(X86_HYPER_MS_HYPERV))
return false;
return hv_get_isolation_type() != HV_ISOLATION_TYPE_NONE;
}
DEFINE_STATIC_KEY_FALSE(isolation_type_snp);
/*
* hv_isolation_type_snp - Check system runs in the AMD SEV-SNP based
* isolation VM.
*/
bool hv_isolation_type_snp(void)
{
return static_branch_unlikely(&isolation_type_snp);
}