linux-kernel - [PATCH v2 09/25] x86/sgx: Move ENCLS leaf definitions to sgx.h

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Message-Id: <4b24f2db8bfc1d9b91191acdcb46f6b443a983a7.1615250634.git.kai.huang@intel.com>
Date:   Tue,  9 Mar 2021 14:39:42 +1300
From:   Kai Huang <kai.huang@...el.com>
To:     kvm@...r.kernel.org, linux-sgx@...r.kernel.org, x86@...nel.org
Cc:     linux-kernel@...r.kernel.org, seanjc@...gle.com, jarkko@...nel.org,
        luto@...nel.org, dave.hansen@...el.com, rick.p.edgecombe@...el.com,
        haitao.huang@...el.com, pbonzini@...hat.com, bp@...en8.de,
        tglx@...utronix.de, mingo@...hat.com, hpa@...or.com,
        Kai Huang <kai.huang@...el.com>
Subject: [PATCH v2 09/25] x86/sgx: Move ENCLS leaf definitions to sgx.h

From: Sean Christopherson <sean.j.christopherson@...el.com>

Move the ENCLS leaf definitions to sgx.h so that they can be used by
KVM.

Signed-off-by: Sean Christopherson <sean.j.christopherson@...el.com>
Acked-by: Dave Hansen <dave.hansen@...el.com>
Acked-by: Jarkko Sakkinen <jarkko@...nel.org>
Signed-off-by: Kai Huang <kai.huang@...el.com>
---
v1->v2:

 - Removed "And because they're architectural." in commit msg, per Sean.

---
 arch/x86/include/asm/sgx.h      | 15 +++++++++++++++
 arch/x86/kernel/cpu/sgx/encls.h | 15 ---------------
 2 files changed, 15 insertions(+), 15 deletions(-)

diff --git a/arch/x86/include/asm/sgx.h b/arch/x86/include/asm/sgx.h
index d4ad35f6319a..48f0c42027c0 100644
--- a/arch/x86/include/asm/sgx.h
+++ b/arch/x86/include/asm/sgx.h
@@ -27,6 +27,21 @@
 /* The bitmask for the EPC section type. */
 #define SGX_CPUID_EPC_MASK	GENMASK(3, 0)
 
+enum sgx_encls_function {
+	ECREATE	= 0x00,
+	EADD	= 0x01,
+	EINIT	= 0x02,
+	EREMOVE	= 0x03,
+	EDGBRD	= 0x04,
+	EDGBWR	= 0x05,
+	EEXTEND	= 0x06,
+	ELDU	= 0x08,
+	EBLOCK	= 0x09,
+	EPA	= 0x0A,
+	EWB	= 0x0B,
+	ETRACK	= 0x0C,
+};
+
 /**
  * enum sgx_return_code - The return code type for ENCLS, ENCLU and ENCLV
  * %SGX_NOT_TRACKED:		Previous ETRACK's shootdown sequence has not
diff --git a/arch/x86/kernel/cpu/sgx/encls.h b/arch/x86/kernel/cpu/sgx/encls.h
index 443188fe7e70..be5c49689980 100644
--- a/arch/x86/kernel/cpu/sgx/encls.h
+++ b/arch/x86/kernel/cpu/sgx/encls.h
@@ -11,21 +11,6 @@
 #include <asm/traps.h>
 #include "sgx.h"
 
-enum sgx_encls_function {
-	ECREATE	= 0x00,
-	EADD	= 0x01,
-	EINIT	= 0x02,
-	EREMOVE	= 0x03,
-	EDGBRD	= 0x04,
-	EDGBWR	= 0x05,
-	EEXTEND	= 0x06,
-	ELDU	= 0x08,
-	EBLOCK	= 0x09,
-	EPA	= 0x0A,
-	EWB	= 0x0B,
-	ETRACK	= 0x0C,
-};
-
 /**
  * ENCLS_FAULT_FLAG - flag signifying an ENCLS return code is a trapnr
  *
-- 
2.29.2