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| author |   Tianyu Lan <Tianyu.Lan@microsoft.com> | 2021-10-25 08:21:08 -0400 |
|---|---|---|
| committer |   Wei Liu <wei.liu@kernel.org> | 2021-10-28 11:21:33 +0000 |
| commit | 810a521265023a1d5c6c081ea2d216bc63d422f5 (patch) | |
| tree | a62913d60a1a893bcc8bcb4764d1686e0cc82989 /include/asm-generic | |
| parent | x86/hyperv: Initialize shared memory boundary in the Isolation VM. (diff) | |
| download | linux-dev-810a521265023a1d5c6c081ea2d216bc63d422f5.tar.xz linux-dev-810a521265023a1d5c6c081ea2d216bc63d422f5.zip | |
x86/hyperv: Add new hvcall guest address host visibility support
Add new hvcall guest address host visibility support to mark
memory visible to host. Call it inside set_memory_decrypted
/encrypted(). Add HYPERVISOR feature check in the
hv_is_isolation_supported() to optimize in non-virtualization
environment.
Acked-by: Dave Hansen <dave.hansen@intel.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <Tianyu.Lan@microsoft.com>
Link: https://lore.kernel.org/r/20211025122116.264793-4-ltykernel@gmail.com
[ wei: fix conflicts with tip ]
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/hyperv-tlfs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/include/asm-generic/hyperv-tlfs.h b/include/asm-generic/hyperv-tlfs.h index 56348a541c50..8ed6733d5146 100644 --- a/include/asm-generic/hyperv-tlfs.h +++ b/include/asm-generic/hyperv-tlfs.h @@ -158,6 +158,7 @@ struct ms_hyperv_tsc_page { #define HVCALL_RETARGET_INTERRUPT 0x007e #define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_SPACE 0x00af #define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST 0x00b0 +#define HVCALL_MODIFY_SPARSE_GPA_PAGE_HOST_VISIBILITY 0x00db /* Extended hypercalls */ #define HV_EXT_CALL_QUERY_CAPABILITIES 0x8001 |