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[RFC,v6,10/25] x86/sgx: Add SGX2 ENCLS leaf definitions (EAUG, EMODPR and EMODT)

Message ID 72ad1da6158cf786e4616c241f6005761f5931d9.1614338774.git.kai.huang@intel.com (mailing list archive)
State New, archived
Headers show
Series KVM SGX virtualization support | expand

Commit Message

Huang, Kai Feb. 26, 2021, 12:15 p.m. UTC 
From: Sean Christopherson <sean.j.christopherson@intel.com>

Define the ENCLS leafs that are available with SGX2, also referred to as
Enclave Dynamic Memory Management (EDMM).  The leafs will be used by KVM
to conditionally expose SGX2 capabilities to guests.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
Acked-by: Dave Hansen <dave.hansen@intel.com>
Acked-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Kai Huang <kai.huang@intel.com>
---
v5->v6:

 - Code change due to sgx_arch.h merged to sgx.h.

---
 arch/x86/include/asm/sgx.h | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/arch/x86/include/asm/sgx.h b/arch/x86/include/asm/sgx.h
index 48f0c42027c0..0db1e47a90c5 100644
--- a/arch/x86/include/asm/sgx.h
+++ b/arch/x86/include/asm/sgx.h
@@ -40,6 +40,9 @@  enum sgx_encls_function {
 	EPA	= 0x0A,
 	EWB	= 0x0B,
 	ETRACK	= 0x0C,
+	EAUG	= 0x0D,
+	EMODPR	= 0x0E,
+	EMODT	= 0x0F,
 };
 
 /**