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-rw-r--r--drivers/input/mouse/Kconfig12
-rw-r--r--drivers/input/mouse/Makefile1
-rw-r--r--drivers/input/mouse/psmouse-base.c17
-rw-r--r--drivers/input/mouse/psmouse.h1
-rw-r--r--drivers/input/mouse/vmmouse.c508
-rw-r--r--drivers/input/mouse/vmmouse.h30
6 files changed, 569 insertions, 0 deletions
diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig
index 4658b5d41dd7..7462d2fc8cfe 100644
--- a/drivers/input/mouse/Kconfig
+++ b/drivers/input/mouse/Kconfig
@@ -149,6 +149,18 @@ config MOUSE_PS2_FOCALTECH
If unsure, say Y.
+config MOUSE_PS2_VMMOUSE
+ bool "Virtual mouse (vmmouse)"
+ depends on MOUSE_PS2 && X86 && HYPERVISOR_GUEST
+ help
+ Say Y here if you are running under control of VMware hypervisor
+ (ESXi, Workstation or Fusion). Also make sure that when you enable
+ this option, you remove the xf86-input-vmmouse user-space driver
+ or upgrade it to at least xf86-input-vmmouse 13.0.1, which doesn't
+ load in the presence of an in-kernel vmmouse driver.
+
+ If unsure, say N.
+
config MOUSE_SERIAL
tristate "Serial mouse"
select SERIO
diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile
index 8a9c98e76d9c..793300bfbddd 100644
--- a/drivers/input/mouse/Makefile
+++ b/drivers/input/mouse/Makefile
@@ -36,6 +36,7 @@ psmouse-$(CONFIG_MOUSE_PS2_SENTELIC) += sentelic.o
psmouse-$(CONFIG_MOUSE_PS2_TRACKPOINT) += trackpoint.o
psmouse-$(CONFIG_MOUSE_PS2_TOUCHKIT) += touchkit_ps2.o
psmouse-$(CONFIG_MOUSE_PS2_CYPRESS) += cypress_ps2.o
+psmouse-$(CONFIG_MOUSE_PS2_VMMOUSE) += vmmouse.o
elan_i2c-objs := elan_i2c_core.o
elan_i2c-$(CONFIG_MOUSE_ELAN_I2C_I2C) += elan_i2c_i2c.o
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index 27057df7ba74..5bb1658f60c7 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -36,6 +36,7 @@
#include "sentelic.h"
#include "cypress_ps2.h"
#include "focaltech.h"
+#include "vmmouse.h"
#define DRIVER_DESC "PS/2 mouse driver"
@@ -790,6 +791,13 @@ static int psmouse_extensions(struct psmouse *psmouse,
}
}
+ if (psmouse_do_detect(vmmouse_detect, psmouse, set_properties) == 0) {
+ if (max_proto > PSMOUSE_IMEX) {
+ if (!set_properties || vmmouse_init(psmouse) == 0)
+ return PSMOUSE_VMMOUSE;
+ }
+ }
+
/*
* Try Kensington ThinkingMouse (we try first, because synaptics probe
* upsets the thinkingmouse).
@@ -1113,6 +1121,15 @@ static const struct psmouse_protocol psmouse_protocols[] = {
.init = focaltech_init,
},
#endif
+#ifdef CONFIG_MOUSE_PS2_VMMOUSE
+ {
+ .type = PSMOUSE_VMMOUSE,
+ .name = VMMOUSE_PSNAME,
+ .alias = "vmmouse",
+ .detect = vmmouse_detect,
+ .init = vmmouse_init,
+ },
+#endif
{
.type = PSMOUSE_AUTO,
.name = "auto",
diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h
index d02e1bdc9ae4..ad5a5a1ea872 100644
--- a/drivers/input/mouse/psmouse.h
+++ b/drivers/input/mouse/psmouse.h
@@ -103,6 +103,7 @@ enum psmouse_type {
PSMOUSE_SYNAPTICS_RELATIVE,
PSMOUSE_CYPRESS,
PSMOUSE_FOCALTECH,
+ PSMOUSE_VMMOUSE,
PSMOUSE_AUTO /* This one should always be last */
};
diff --git a/drivers/input/mouse/vmmouse.c b/drivers/input/mouse/vmmouse.c
new file mode 100644
index 000000000000..e272f06258ce
--- /dev/null
+++ b/drivers/input/mouse/vmmouse.c
@@ -0,0 +1,508 @@
+/*
+ * Driver for Virtual PS/2 Mouse on VMware and QEMU hypervisors.
+ *
+ * Copyright (C) 2014, VMware, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * Twin device code is hugely inspired by the ALPS driver.
+ * Authors:
+ * Dmitry Torokhov <dmitry.torokhov@gmail.com>
+ * Thomas Hellstrom <thellstrom@vmware.com>
+ */
+
+#include <linux/input.h>
+#include <linux/serio.h>
+#include <linux/libps2.h>
+#include <linux/slab.h>
+#include <linux/module.h>
+#include <asm/hypervisor.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.
+ */
+#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
+
+/*
+ * Subcommands for VMMOUSE_PROTO_CMD_ABSPOINTER_COMMAND
+ */
+#define VMMOUSE_CMD_ENABLE 0x45414552U
+#define VMMOUSE_CMD_DISABLE 0x000000f5U
+#define VMMOUSE_CMD_REQUEST_RELATIVE 0x4c455252U
+#define VMMOUSE_CMD_REQUEST_ABSOLUTE 0x53424152U
+
+#define VMMOUSE_ERROR 0xffff0000U
+
+#define VMMOUSE_VERSION_ID 0x3442554aU
+
+#define VMMOUSE_RELATIVE_PACKET 0x00010000U
+
+#define VMMOUSE_LEFT_BUTTON 0x20
+#define VMMOUSE_RIGHT_BUTTON 0x10
+#define VMMOUSE_MIDDLE_BUTTON 0x08
+
+/*
+ * VMMouse Restrict command
+ */
+#define VMMOUSE_RESTRICT_ANY 0x00
+#define VMMOUSE_RESTRICT_CPL0 0x01
+#define VMMOUSE_RESTRICT_IOPL 0x02
+
+#define VMMOUSE_MAX_X 0xFFFF
+#define VMMOUSE_MAX_Y 0xFFFF
+
+#define VMMOUSE_VENDOR "VMware"
+#define VMMOUSE_NAME "VMMouse"
+
+/**
+ * struct vmmouse_data - private data structure for the vmmouse driver
+ *
+ * @abs_dev: "Absolute" device used to report absolute mouse movement.
+ * @phys: Physical path for the absolute device.
+ * @dev_name: Name attribute name for the absolute device.
+ */
+struct vmmouse_data {
+ struct input_dev *abs_dev;
+ char phys[32];
+ 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__ ("inl %%dx" : \
+ "=a"(out1), \
+ "=b"(out2), \
+ "=c"(out3), \
+ "=d"(out4), \
+ "=S"(__dummy1), \
+ "=D"(__dummy2) : \
+ "a"(VMMOUSE_PROTO_MAGIC), \
+ "b"(in1), \
+ "c"(VMMOUSE_PROTO_CMD_##cmd), \
+ "d"(VMMOUSE_PROTO_PORT) : \
+ "memory"); \
+})
+
+/**
+ * vmmouse_report_button - report button state on the correct input device
+ *
+ * @psmouse: Pointer to the psmouse struct
+ * @abs_dev: The absolute input device
+ * @rel_dev: The relative input device
+ * @pref_dev: The preferred device for reporting
+ * @code: Button code
+ * @value: Button value
+ *
+ * Report @value and @code on @pref_dev, unless the button is already
+ * pressed on the other device, in which case the state is reported on that
+ * device.
+ */
+static void vmmouse_report_button(struct psmouse *psmouse,
+ struct input_dev *abs_dev,
+ struct input_dev *rel_dev,
+ struct input_dev *pref_dev,
+ unsigned int code, int value)
+{
+ if (test_bit(code, abs_dev->key))
+ pref_dev = abs_dev;
+ else if (test_bit(code, rel_dev->key))
+ pref_dev = rel_dev;
+
+ input_report_key(pref_dev, code, value);
+}
+
+/**
+ * vmmouse_report_events - process events on the vmmouse communications channel
+ *
+ * @psmouse: Pointer to the psmouse struct
+ *
+ * This function pulls events from the vmmouse communications channel and
+ * reports them on the correct (absolute or relative) input device. When the
+ * communications channel is drained, or if we've processed more than 255
+ * psmouse commands, the function returns PSMOUSE_FULL_PACKET. If there is a
+ * host- or synchronization error, the function returns PSMOUSE_BAD_DATA in
+ * the hope that the caller will reset the communications channel.
+ */
+static psmouse_ret_t vmmouse_report_events(struct psmouse *psmouse)
+{
+ struct input_dev *rel_dev = psmouse->dev;
+ struct vmmouse_data *priv = psmouse->private;
+ 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);
+ if ((status & VMMOUSE_ERROR) == VMMOUSE_ERROR) {
+ psmouse_err(psmouse, "failed to fetch status data\n");
+ /*
+ * After a few attempts this will result in
+ * reconnect.
+ */
+ return PSMOUSE_BAD_DATA;
+ }
+
+ queue_length = status & 0xffff;
+ if (queue_length == 0)
+ break;
+
+ if (queue_length % 4) {
+ psmouse_err(psmouse, "invalid queue length\n");
+ return PSMOUSE_BAD_DATA;
+ }
+
+ /* Now get it */
+ VMMOUSE_CMD(ABSPOINTER_DATA, 4, status, x, y, z);
+
+ /*
+ * And report what we've got. Prefer to report button
+ * events on the same device where we report motion events.
+ * This doesn't work well with the mouse wheel, though. See
+ * below. Ideally we would want to report that on the
+ * preferred device as well.
+ */
+ if (status & VMMOUSE_RELATIVE_PACKET) {
+ pref_dev = rel_dev;
+ input_report_rel(rel_dev, REL_X, (s32)x);
+ input_report_rel(rel_dev, REL_Y, -(s32)y);
+ } else {
+ pref_dev = abs_dev;
+ input_report_abs(abs_dev, ABS_X, x);
+ input_report_abs(abs_dev, ABS_Y, y);
+ }
+
+ /* Xorg seems to ignore wheel events on absolute devices */
+ input_report_rel(rel_dev, REL_WHEEL, -(s8)((u8) z));
+
+ vmmouse_report_button(psmouse, abs_dev, rel_dev,
+ pref_dev, BTN_LEFT,
+ status & VMMOUSE_LEFT_BUTTON);
+ vmmouse_report_button(psmouse, abs_dev, rel_dev,
+ pref_dev, BTN_RIGHT,
+ status & VMMOUSE_RIGHT_BUTTON);
+ vmmouse_report_button(psmouse, abs_dev, rel_dev,
+ pref_dev, BTN_MIDDLE,
+ status & VMMOUSE_MIDDLE_BUTTON);
+ input_sync(abs_dev);
+ input_sync(rel_dev);
+ }
+
+ return PSMOUSE_FULL_PACKET;
+}
+
+/**
+ * vmmouse_process_byte - process data on the ps/2 channel
+ *
+ * @psmouse: Pointer to the psmouse struct
+ *
+ * When the ps/2 channel indicates that there is vmmouse data available,
+ * call vmmouse channel processing. Otherwise, continue to accept bytes. If
+ * there is a synchronization or communication data error, return
+ * PSMOUSE_BAD_DATA in the hope that the caller will reset the mouse.
+ */
+static psmouse_ret_t vmmouse_process_byte(struct psmouse *psmouse)
+{
+ unsigned char *packet = psmouse->packet;
+
+ switch (psmouse->pktcnt) {
+ case 1:
+ return (packet[0] & 0x8) == 0x8 ?
+ PSMOUSE_GOOD_DATA : PSMOUSE_BAD_DATA;
+
+ case 2:
+ return PSMOUSE_GOOD_DATA;
+
+ default:
+ return vmmouse_report_events(psmouse);
+ }
+}
+
+/**
+ * vmmouse_disable - Disable vmmouse
+ *
+ * @psmouse: Pointer to the psmouse struct
+ *
+ * Tries to disable vmmouse mode.
+ */
+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);
+
+ if ((status & VMMOUSE_ERROR) != VMMOUSE_ERROR)
+ psmouse_warn(psmouse, "failed to disable vmmouse device\n");
+}
+
+/**
+ * vmmouse_enable - Enable vmmouse and request absolute mode.
+ *
+ * @psmouse: Pointer to the psmouse struct
+ *
+ * Tries to enable vmmouse mode. Performs basic checks and requests
+ * absolute vmmouse mode.
+ * Returns 0 on success, -ENODEV on failure.
+ */
+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);
+
+ /*
+ * See if version ID can be retrieved.
+ */
+ VMMOUSE_CMD(ABSPOINTER_STATUS, 0, status, dummy1, dummy2, dummy3);
+ 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);
+ if (version != VMMOUSE_VERSION_ID) {
+ psmouse_dbg(psmouse, "Unexpected version value: %u vs %u\n",
+ (unsigned) version, VMMOUSE_VERSION_ID);
+ vmmouse_disable(psmouse);
+ return -ENXIO;
+ }
+
+ /*
+ * Restrict ioport access, if possible.
+ */
+ VMMOUSE_CMD(ABSPOINTER_RESTRICT, VMMOUSE_RESTRICT_CPL0,
+ dummy1, dummy2, dummy3, dummy4);
+
+ VMMOUSE_CMD(ABSPOINTER_COMMAND, VMMOUSE_CMD_REQUEST_ABSOLUTE,
+ dummy1, dummy2, dummy3, dummy4);
+
+ return 0;
+}
+
+/*
+ * Array of supported hypervisors.
+ */
+static const struct hypervisor_x86 *vmmouse_supported_hypervisors[] = {
+ &x86_hyper_vmware,
+#ifdef CONFIG_KVM_GUEST
+ &x86_hyper_kvm,
+#endif
+};
+
+/**
+ * vmmouse_check_hypervisor - Check if we're running on a supported hypervisor
+ */
+static bool vmmouse_check_hypervisor(void)
+{
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(vmmouse_supported_hypervisors); i++)
+ if (vmmouse_supported_hypervisors[i] == x86_hyper)
+ return true;
+
+ return false;
+}
+
+/**
+ * vmmouse_detect - Probe whether vmmouse is available
+ *
+ * @psmouse: Pointer to the psmouse struct
+ * @set_properties: Whether to set psmouse name and vendor
+ *
+ * Returns 0 if vmmouse channel is available. Negative error code if not.
+ */
+int vmmouse_detect(struct psmouse *psmouse, bool set_properties)
+{
+ u32 response, version, dummy1, dummy2;
+
+ if (!vmmouse_check_hypervisor()) {
+ psmouse_dbg(psmouse,
+ "VMMouse not running on supported hypervisor.\n");
+ return -ENXIO;
+ }
+
+ if (!request_region(VMMOUSE_PROTO_PORT, 4, "vmmouse")) {
+ psmouse_dbg(psmouse, "VMMouse port in use.\n");
+ return -EBUSY;
+ }
+
+ /* 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) {
+ release_region(VMMOUSE_PROTO_PORT, 4);
+ return -ENXIO;
+ }
+
+ if (set_properties) {
+ psmouse->vendor = VMMOUSE_VENDOR;
+ psmouse->name = VMMOUSE_NAME;
+ psmouse->model = version;
+ }
+
+ release_region(VMMOUSE_PROTO_PORT, 4);
+
+ return 0;
+}
+
+/**
+ * vmmouse_disconnect - Take down vmmouse driver
+ *
+ * @psmouse: Pointer to the psmouse struct
+ *
+ * Takes down vmmouse driver and frees resources set up in vmmouse_init().
+ */
+static void vmmouse_disconnect(struct psmouse *psmouse)
+{
+ struct vmmouse_data *priv = psmouse->private;
+
+ vmmouse_disable(psmouse);
+ psmouse_reset(psmouse);
+ input_unregister_device(priv->abs_dev);
+ kfree(priv);
+ release_region(VMMOUSE_PROTO_PORT, 4);
+}
+
+/**
+ * vmmouse_reconnect - Reset the ps/2 - and vmmouse connections
+ *
+ * @psmouse: Pointer to the psmouse struct
+ *
+ * Attempts to reset the mouse connections. Returns 0 on success and
+ * -1 on failure.
+ */
+static int vmmouse_reconnect(struct psmouse *psmouse)
+{
+ int error;
+
+ psmouse_reset(psmouse);
+ vmmouse_disable(psmouse);
+ error = vmmouse_enable(psmouse);
+ if (error) {
+ psmouse_err(psmouse,
+ "Unable to re-enable mouse when reconnecting, err: %d\n",
+ error);
+ return error;
+ }
+
+ return 0;
+}
+
+/**
+ * vmmouse_init - Initialize the vmmouse driver
+ *
+ * @psmouse: Pointer to the psmouse struct
+ *
+ * Requests the device and tries to enable vmmouse mode.
+ * If successful, sets up the input device for relative movement events.
+ * It also allocates another input device and sets it up for absolute motion
+ * events. Returns 0 on success and -1 on failure.
+ */
+int vmmouse_init(struct psmouse *psmouse)
+{
+ struct vmmouse_data *priv;
+ struct input_dev *rel_dev = psmouse->dev, *abs_dev;
+ int error;
+
+ if (!request_region(VMMOUSE_PROTO_PORT, 4, "vmmouse")) {
+ psmouse_dbg(psmouse, "VMMouse port in use.\n");
+ return -EBUSY;
+ }
+
+ psmouse_reset(psmouse);
+ error = vmmouse_enable(psmouse);
+ if (error)
+ goto release_region;
+
+ priv = kzalloc(sizeof(*priv), GFP_KERNEL);
+ abs_dev = input_allocate_device();
+ if (!priv || !abs_dev) {
+ error = -ENOMEM;
+ goto init_fail;
+ }
+
+ priv->abs_dev = abs_dev;
+ psmouse->private = priv;
+
+ input_set_capability(rel_dev, EV_REL, REL_WHEEL);
+
+ /* Set up and register absolute device */
+ snprintf(priv->phys, sizeof(priv->phys), "%s/input1",
+ psmouse->ps2dev.serio->phys);
+
+ /* Mimic name setup for relative device in psmouse-base.c */
+ snprintf(priv->dev_name, sizeof(priv->dev_name), "%s %s %s",
+ VMMOUSE_PSNAME, VMMOUSE_VENDOR, VMMOUSE_NAME);
+ abs_dev->phys = priv->phys;
+ abs_dev->name = priv->dev_name;
+ abs_dev->id.bustype = BUS_I8042;
+ abs_dev->id.vendor = 0x0002;
+ abs_dev->id.product = PSMOUSE_VMMOUSE;
+ abs_dev->id.version = psmouse->model;
+ abs_dev->dev.parent = &psmouse->ps2dev.serio->dev;
+
+ error = input_register_device(priv->abs_dev);
+ if (error)
+ goto init_fail;
+
+ /* Set absolute device capabilities */
+ input_set_capability(abs_dev, EV_KEY, BTN_LEFT);
+ input_set_capability(abs_dev, EV_KEY, BTN_RIGHT);
+ input_set_capability(abs_dev, EV_KEY, BTN_MIDDLE);
+ input_set_capability(abs_dev, EV_ABS, ABS_X);
+ input_set_capability(abs_dev, EV_ABS, ABS_Y);
+ input_set_abs_params(abs_dev, ABS_X, 0, VMMOUSE_MAX_X, 0, 0);
+ input_set_abs_params(abs_dev, ABS_Y, 0, VMMOUSE_MAX_Y, 0, 0);
+
+ psmouse->protocol_handler = vmmouse_process_byte;
+ psmouse->disconnect = vmmouse_disconnect;
+ psmouse->reconnect = vmmouse_reconnect;
+
+ return 0;
+
+init_fail:
+ vmmouse_disable(psmouse);
+ psmouse_reset(psmouse);
+ input_free_device(abs_dev);
+ kfree(priv);
+ psmouse->private = NULL;
+
+release_region:
+ release_region(VMMOUSE_PROTO_PORT, 4);
+
+ return error;
+}
diff --git a/drivers/input/mouse/vmmouse.h b/drivers/input/mouse/vmmouse.h
new file mode 100644
index 000000000000..6f126017a24c
--- /dev/null
+++ b/drivers/input/mouse/vmmouse.h
@@ -0,0 +1,30 @@
+/*
+ * Driver for Virtual PS/2 Mouse on VMware and QEMU hypervisors.
+ *
+ * Copyright (C) 2014, VMware, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ */
+
+#ifndef _VMMOUSE_H
+#define _VMMOUSE_H
+
+#ifdef CONFIG_MOUSE_PS2_VMMOUSE
+#define VMMOUSE_PSNAME "VirtualPS/2"
+
+int vmmouse_detect(struct psmouse *psmouse, bool set_properties);
+int vmmouse_init(struct psmouse *psmouse);
+#else
+static inline int vmmouse_detect(struct psmouse *psmouse, bool set_properties)
+{
+ return -ENOSYS;
+}
+static inline int vmmouse_init(struct psmouse *psmouse)
+{
+ return -ENOSYS;
+}
+#endif
+
+#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 10:12:30 +0000