From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Sinclair Yeh" <syeh@vmware.com>
Subject: [PATCH 2/6] x86: Update vmware.c to use the common VMW_PORT macros
Date: Tue,  1 Dec 2015 14:18:48 -0800
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To: x86@kernel.org
Cc: Sinclair Yeh <syeh@vmware.com>, pv-drivers@vmware.com, linux-kernel@vger.kernel.org, virtualization@lists.linux-foundation.org, Ingo Molnar <mingo@redhat.com>, "H. Peter Anvin" <hpa@zytor.com>, Thomas Gleixner <tglx@linutronix.de>
List-Id: virtualization@lists.linuxfoundation.org

v2:
Instead of replacing all existing instances of VMWARE_PORT
with VMW_PORT, update VMWARE_PORT to use the new VMW_PORT.

v3:
Using updated VMWARE_PORT() macro, which needs hypervisor magic in the
parameter

Signed-off-by: Sinclair Yeh <syeh@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Alok N Kataria <akataria@vmware.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: pv-drivers@vmware.com
Cc: virtualization@lists.linux-foundation.org
Cc: linux-kernel@vger.kernel.org
---
 arch/x86/kernel/cpu/vmware.c | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/arch/x86/kernel/cpu/vmware.c b/arch/x86/kernel/cpu/vmware.c
index 628a059..1837f66 100644
--- a/arch/x86/kernel/cpu/vmware.c
+++ b/arch/x86/kernel/cpu/vmware.c
@@ -26,6 +26,7 @@
 #include <asm/div64.h>
 #include <asm/x86_init.h>
 #include <asm/hypervisor.h>
+#include <asm/vmware.h>
 
 #define CPUID_VMWARE_INFO_LEAF	0x40000000
 #define VMWARE_HYPERVISOR_MAGIC	0x564D5868
@@ -37,13 +38,14 @@
 #define VMWARE_PORT_CMD_LEGACY_X2APIC	3
 #define VMWARE_PORT_CMD_VCPU_RESERVED	31
 
-#define VMWARE_PORT(cmd, eax, ebx, ecx, edx)				\
-	__asm__("inl (%%dx)" :						\
-			"=a"(eax), "=c"(ecx), "=d"(edx), "=b"(ebx) :	\
-			"0"(VMWARE_HYPERVISOR_MAGIC),			\
-			"1"(VMWARE_PORT_CMD_##cmd),			\
-			"2"(VMWARE_HYPERVISOR_PORT), "3"(UINT_MAX) :	\
-			"memory");
+#define VMWARE_PORT(cmd, eax, ebx, ecx, edx)				  \
+({									  \
+	unsigned long __si = 0, __di = 0;                                 \
+	VMW_PORT(UINT_MAX, VMWARE_PORT_CMD_##cmd, VMWARE_HYPERVISOR_PORT, \
+		 VMWARE_HYPERVISOR_MAGIC,                                 \
+		 eax, ebx, ecx, edx, __si, __di);                         \
+})
+
 
 static inline int __vmware_platform(void)
 {
-- 
1.9.1