Merge tag 'x86_vmware_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Pull x86 vmware updates from Borislav Petkov:

 - Add a unified VMware hypercall API layer which should be used by all
   callers instead of them doing homegrown solutions. This will provide
   for adding API support for confidential computing solutions like TDX

* tag 'x86_vmware_for_v6.11_rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/vmware: Add TDX hypercall support
  x86/vmware: Remove legacy VMWARE_HYPERCALL* macros
  x86/vmware: Correct macro names
  x86/vmware: Use VMware hypercall API
  drm/vmwgfx: Use VMware hypercall API
  input/vmmouse: Use VMware hypercall API
  ptp/vmware: Use VMware hypercall API
  x86/vmware: Introduce VMware hypercall API

1 files changed, 22 insertions, 54 deletions

diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c
index ea9eff7c8099..fb1d986a6895 100644
--- a/drivers/input/mouse/vmmouse.c
+++ b/drivers/input/mouse/vmmouse.c
@@ -21,19 +21,16 @@
 #include "psmouse.h"
 #include "vmmouse.h"
 
-#define VMMOUSE_PROTO_MAGIC			0x564D5868U
-
 /*
  * Main commands supported by the vmmouse hypervisor port.
  */
-#define VMMOUSE_PROTO_CMD_GETVERSION		10
-#define VMMOUSE_PROTO_CMD_ABSPOINTER_DATA	39
-#define VMMOUSE_PROTO_CMD_ABSPOINTER_STATUS	40
-#define VMMOUSE_PROTO_CMD_ABSPOINTER_COMMAND	41
-#define VMMOUSE_PROTO_CMD_ABSPOINTER_RESTRICT   86
+#define VMWARE_CMD_ABSPOINTER_DATA	39
+#define VMWARE_CMD_ABSPOINTER_STATUS	40
+#define VMWARE_CMD_ABSPOINTER_COMMAND	41
+#define VMWARE_CMD_ABSPOINTER_RESTRICT	86
 
 /*
- * Subcommands for VMMOUSE_PROTO_CMD_ABSPOINTER_COMMAND
+ * Subcommands for VMWARE_CMD_ABSPOINTER_COMMAND
  */
 #define VMMOUSE_CMD_ENABLE			0x45414552U
 #define VMMOUSE_CMD_DISABLE			0x000000f5U
@@ -76,28 +73,6 @@ struct vmmouse_data {
 	char dev_name[128];
 };
 
-/*
- * Hypervisor-specific bi-directional communication channel
- * implementing the vmmouse protocol. Should never execute on
- * bare metal hardware.
- */
-#define VMMOUSE_CMD(cmd, in1, out1, out2, out3, out4)	\
-({							\
-	unsigned long __dummy1, __dummy2;		\
-	__asm__ __volatile__ (VMWARE_HYPERCALL :	\
-		"=a"(out1),				\
-		"=b"(out2),				\
-		"=c"(out3),				\
-		"=d"(out4),				\
-		"=S"(__dummy1),				\
-		"=D"(__dummy2) :			\
-		"a"(VMMOUSE_PROTO_MAGIC),		\
-		"b"(in1),				\
-		"c"(VMMOUSE_PROTO_CMD_##cmd),		\
-		"d"(0) :			        \
-		"memory");		                \
-})
-
 /**
  * vmmouse_report_button - report button state on the correct input device
  *
@@ -145,14 +120,12 @@ static psmouse_ret_t vmmouse_report_events(struct psmouse *psmouse)
 	struct input_dev *abs_dev = priv->abs_dev;
 	struct input_dev *pref_dev;
 	u32 status, x, y, z;
-	u32 dummy1, dummy2, dummy3;
 	unsigned int queue_length;
 	unsigned int count = 255;
 
 	while (count--) {
 		/* See if we have motion data. */
-		VMMOUSE_CMD(ABSPOINTER_STATUS, 0,
-			    status, dummy1, dummy2, dummy3);
+		status = vmware_hypercall1(VMWARE_CMD_ABSPOINTER_STATUS, 0);
 		if ((status & VMMOUSE_ERROR) == VMMOUSE_ERROR) {
 			psmouse_err(psmouse, "failed to fetch status data\n");
 			/*
@@ -172,7 +145,8 @@ static psmouse_ret_t vmmouse_report_events(struct psmouse *psmouse)
 		}
 
 		/* Now get it */
-		VMMOUSE_CMD(ABSPOINTER_DATA, 4, status, x, y, z);
+		status = vmware_hypercall4(VMWARE_CMD_ABSPOINTER_DATA, 4,
+					   &x, &y, &z);
 
 		/*
 		 * And report what we've got. Prefer to report button
@@ -247,14 +221,10 @@ static psmouse_ret_t vmmouse_process_byte(struct psmouse *psmouse)
 static void vmmouse_disable(struct psmouse *psmouse)
 {
 	u32 status;
-	u32 dummy1, dummy2, dummy3, dummy4;
-
-	VMMOUSE_CMD(ABSPOINTER_COMMAND, VMMOUSE_CMD_DISABLE,
-		    dummy1, dummy2, dummy3, dummy4);
 
-	VMMOUSE_CMD(ABSPOINTER_STATUS, 0,
-		    status, dummy1, dummy2, dummy3);
+	vmware_hypercall1(VMWARE_CMD_ABSPOINTER_COMMAND, VMMOUSE_CMD_DISABLE);
 
+	status = vmware_hypercall1(VMWARE_CMD_ABSPOINTER_STATUS, 0);
 	if ((status & VMMOUSE_ERROR) != VMMOUSE_ERROR)
 		psmouse_warn(psmouse, "failed to disable vmmouse device\n");
 }
@@ -271,26 +241,24 @@ static void vmmouse_disable(struct psmouse *psmouse)
 static int vmmouse_enable(struct psmouse *psmouse)
 {
 	u32 status, version;
-	u32 dummy1, dummy2, dummy3, dummy4;
 
 	/*
 	 * Try enabling the device. If successful, we should be able to
 	 * read valid version ID back from it.
 	 */
-	VMMOUSE_CMD(ABSPOINTER_COMMAND, VMMOUSE_CMD_ENABLE,
-		    dummy1, dummy2, dummy3, dummy4);
+	vmware_hypercall1(VMWARE_CMD_ABSPOINTER_COMMAND, VMMOUSE_CMD_ENABLE);
 
 	/*
 	 * See if version ID can be retrieved.
 	 */
-	VMMOUSE_CMD(ABSPOINTER_STATUS, 0, status, dummy1, dummy2, dummy3);
+	status = vmware_hypercall1(VMWARE_CMD_ABSPOINTER_STATUS, 0);
 	if ((status & 0x0000ffff) == 0) {
 		psmouse_dbg(psmouse, "empty flags - assuming no device\n");
 		return -ENXIO;
 	}
 
-	VMMOUSE_CMD(ABSPOINTER_DATA, 1 /* single item */,
-		    version, dummy1, dummy2, dummy3);
+	version = vmware_hypercall1(VMWARE_CMD_ABSPOINTER_DATA,
+				    1 /* single item */);
 	if (version != VMMOUSE_VERSION_ID) {
 		psmouse_dbg(psmouse, "Unexpected version value: %u vs %u\n",
 			    (unsigned) version, VMMOUSE_VERSION_ID);
@@ -301,11 +269,11 @@ static int vmmouse_enable(struct psmouse *psmouse)
 	/*
 	 * Restrict ioport access, if possible.
 	 */
-	VMMOUSE_CMD(ABSPOINTER_RESTRICT, VMMOUSE_RESTRICT_CPL0,
-		    dummy1, dummy2, dummy3, dummy4);
+	vmware_hypercall1(VMWARE_CMD_ABSPOINTER_RESTRICT,
+			  VMMOUSE_RESTRICT_CPL0);
 
-	VMMOUSE_CMD(ABSPOINTER_COMMAND, VMMOUSE_CMD_REQUEST_ABSOLUTE,
-		    dummy1, dummy2, dummy3, dummy4);
+	vmware_hypercall1(VMWARE_CMD_ABSPOINTER_COMMAND,
+			  VMMOUSE_CMD_REQUEST_ABSOLUTE);
 
 	return 0;
 }
@@ -342,7 +310,7 @@ static bool vmmouse_check_hypervisor(void)
  */
 int vmmouse_detect(struct psmouse *psmouse, bool set_properties)
 {
-	u32 response, version, dummy1, dummy2;
+	u32 response, version, type;
 
 	if (!vmmouse_check_hypervisor()) {
 		psmouse_dbg(psmouse,
@@ -351,9 +319,9 @@ int vmmouse_detect(struct psmouse *psmouse, bool set_properties)
 	}
 
 	/* Check if the device is present */
-	response = ~VMMOUSE_PROTO_MAGIC;
-	VMMOUSE_CMD(GETVERSION, 0, version, response, dummy1, dummy2);
-	if (response != VMMOUSE_PROTO_MAGIC || version == 0xffffffffU)
+	response = ~VMWARE_HYPERVISOR_MAGIC;
+	version = vmware_hypercall3(VMWARE_CMD_GETVERSION, 0, &response, &type);
+	if (response != VMWARE_HYPERVISOR_MAGIC || version == 0xffffffffU)
 		return -ENXIO;
 
 	if (set_properties) {