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authorTianyu Lan <Tianyu.Lan@microsoft.com>2021-10-25 15:21:08 +0300
committerWei Liu <wei.liu@kernel.org>2021-10-28 14:21:33 +0300
commit810a521265023a1d5c6c081ea2d216bc63d422f5 (patch)
treea62913d60a1a893bcc8bcb4764d1686e0cc82989 /include/asm-generic/hyperv-tlfs.h
parentaf788f355e343373490b7d2e361016e7c24a0ffa (diff)
downloadlinux-810a521265023a1d5c6c081ea2d216bc63d422f5.tar.xz
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/hyperv-tlfs.h')
-rw-r--r--include/asm-generic/hyperv-tlfs.h1
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