linux-kernel - [PATCH v2 4/4] input/vmmouse: Update the backdoor call with support for new instructions

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Date:   Fri, 23 Aug 2019 10:13:16 +0200
From:   Thomas Hellström (VMware) 
        <thomas_os@...pmail.org>
To:     linux-kernel@...r.kernel.org
Cc:     pv-drivers@...are.com, linux-graphics-maintainer@...are.com,
        Thomas Hellstrom <thellstrom@...are.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org,
        dri-devel@...ts.freedesktop.org,
        Doug Covelli <dcovelli@...are.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: [PATCH v2 4/4] input/vmmouse: Update the backdoor call with support for new instructions

From: Thomas Hellstrom <thellstrom@...are.com>

Use the definition provided by include/asm/vmware.h

CC: Thomas Gleixner <tglx@...utronix.de>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Borislav Petkov <bp@...en8.de>
Cc: "H. Peter Anvin" <hpa@...or.com>
Cc: <x86@...nel.org>
Cc: <dri-devel@...ts.freedesktop.org>
Signed-off-by: Thomas Hellstrom <thellstrom@...are.com>
Reviewed-by: Doug Covelli <dcovelli@...are.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@...il.com>
---
 drivers/input/mouse/vmmouse.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c
index 871e5b5ab129..148245c69be7 100644
--- a/drivers/input/mouse/vmmouse.c
+++ b/drivers/input/mouse/vmmouse.c
@@ -16,12 +16,12 @@
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <asm/hypervisor.h>
+#include <asm/vmware.h>
 
 #include "psmouse.h"
 #include "vmmouse.h"
 
 #define VMMOUSE_PROTO_MAGIC			0x564D5868U
-#define VMMOUSE_PROTO_PORT			0x5658
 
 /*
  * Main commands supported by the vmmouse hypervisor port.
@@ -84,7 +84,7 @@ struct vmmouse_data {
 #define VMMOUSE_CMD(cmd, in1, out1, out2, out3, out4)	\
 ({							\
 	unsigned long __dummy1, __dummy2;		\
-	__asm__ __volatile__ ("inl %%dx" :		\
+	__asm__ __volatile__ (VMWARE_HYPERCALL :	\
 		"=a"(out1),				\
 		"=b"(out2),				\
 		"=c"(out3),				\
@@ -94,7 +94,7 @@ struct vmmouse_data {
 		"a"(VMMOUSE_PROTO_MAGIC),		\
 		"b"(in1),				\
 		"c"(VMMOUSE_PROTO_CMD_##cmd),		\
-		"d"(VMMOUSE_PROTO_PORT) :		\
+		"d"(0) :			        \
 		"memory");		                \
 })
 
-- 
2.20.1