linux-kernel - [PATCH 12/15] kvm/vmx/vmcs12: Add Tertiary VM-Exec control field in vmcs12

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Date:   Tue,  1 Jun 2021 16:47:51 +0800
From:   Robert Hoo <robert.hu@...ux.intel.com>
To:     pbonzini@...hat.com, seanjc@...gle.com, vkuznets@...hat.com,
        wanpengli@...cent.com, jmattson@...gle.com, joro@...tes.org,
        kvm@...r.kernel.org
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        chang.seok.bae@...el.com, robert.hu@...el.com,
        robert.hu@...ux.intel.com
Subject: [PATCH 12/15] kvm/vmx/vmcs12: Add Tertiary VM-Exec control field in vmcs12

Signed-off-by: Robert Hoo <robert.hu@...ux.intel.com>
---
 arch/x86/kvm/vmx/vmcs12.c | 1 +
 arch/x86/kvm/vmx/vmcs12.h | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kvm/vmx/vmcs12.c b/arch/x86/kvm/vmx/vmcs12.c
index 034adb6..717e63a 100644
--- a/arch/x86/kvm/vmx/vmcs12.c
+++ b/arch/x86/kvm/vmx/vmcs12.c
@@ -51,6 +51,7 @@
 	FIELD64(VMWRITE_BITMAP, vmwrite_bitmap),
 	FIELD64(XSS_EXIT_BITMAP, xss_exit_bitmap),
 	FIELD64(ENCLS_EXITING_BITMAP, encls_exiting_bitmap),
+	FIELD64(TERTIARY_VM_EXEC_CONTROL, tertiary_vm_exec_control),
 	FIELD64(GUEST_PHYSICAL_ADDRESS, guest_physical_address),
 	FIELD64(VMCS_LINK_POINTER, vmcs_link_pointer),
 	FIELD64(GUEST_IA32_DEBUGCTL, guest_ia32_debugctl),
diff --git a/arch/x86/kvm/vmx/vmcs12.h b/arch/x86/kvm/vmx/vmcs12.h
index 1349495..ec901b6 100644
--- a/arch/x86/kvm/vmx/vmcs12.h
+++ b/arch/x86/kvm/vmx/vmcs12.h
@@ -70,7 +70,8 @@ struct __packed vmcs12 {
 	u64 eptp_list_address;
 	u64 pml_address;
 	u64 encls_exiting_bitmap;
-	u64 padding64[2]; /* room for future expansion */
+	u64 tertiary_vm_exec_control;
+	u64 padding64[1]; /* room for future expansion */
 	/*
 	 * To allow migration of L1 (complete with its L2 guests) between
 	 * machines of different natural widths (32 or 64 bit), we cannot have
@@ -258,6 +259,7 @@ static inline void vmx_check_vmcs12_offsets(void)
 	CHECK_OFFSET(eptp_list_address, 304);
 	CHECK_OFFSET(pml_address, 312);
 	CHECK_OFFSET(encls_exiting_bitmap, 320);
+	CHECK_OFFSET(tertiary_vm_exec_control, 328);
 	CHECK_OFFSET(cr0_guest_host_mask, 344);
 	CHECK_OFFSET(cr4_guest_host_mask, 352);
 	CHECK_OFFSET(cr0_read_shadow, 360);
-- 
1.8.3.1