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/**********************************************************
* Copyright 2010 VMware, Inc. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
**********************************************************/
#include <xorg-server.h>
#include <xf86.h>
#include <xf86drm.h>
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
/*
* Defines and exported module info.
*/
#define VMWARE_DRIVER_NAME "vmware"
#define VMWGFX_DRIVER_NAME "vmwgfx"
#define VMWGFX_MODULE_NAME "vmwgfx"
#define VMWGFX_COMPAT_MAJOR 11
#define VMWGFX_REQUIRED_MAJOR 11
#define VMWGFX_REQUIRED_MINOR 0
#define VMWLEGACY_DRIVER_NAME "vmwlegacy"
#define VMW_STRING_INNER(s) #s
#define VMW_STRING(str) VMW_STRING_INNER(str)
#define VMWARE_DRIVER_VERSION \
(PACKAGE_VERSION_MAJOR * 65536 + PACKAGE_VERSION_MINOR * 256 + PACKAGE_VERSION_PATCHLEVEL)
#define VMWARE_DRIVER_VERSION_STRING \
VMW_STRING(PACKAGE_VERSION_MAJOR) "." VMW_STRING(PACKAGE_VERSION_MINOR) \
"." VMW_STRING(PACKAGE_VERSION_PATCHLEVEL)
/*
* Standard four digit version string expected by VMware Tools installer.
* As the driver's version is only {major, minor, patchlevel}, simply append an
* extra zero for the fourth digit.
*/
#ifdef __GNUC__
const char vmware_drv_modinfo[] __attribute__((section(".modinfo"),unused)) =
"version=" VMWARE_DRIVER_VERSION_STRING ".0";
#endif
static XF86ModuleVersionInfo vmware_version;
static MODULESETUPPROTO(vmware_setup);
_X_EXPORT XF86ModuleData vmwareModuleData = {
&vmware_version,
vmware_setup,
NULL
};
extern XF86ModuleData *VMWGFX_MODULE_DATA;
/*
* Chain loading functions
*/
static Bool
vmware_check_kernel_module()
{
/* Super simple way of knowing if the kernel driver is loaded */
int ret = drmOpen(VMWGFX_MODULE_NAME, NULL);
if (ret < 0) {
/* This shouldn't go in the log as the original message does not */
fprintf(stderr, "%s: Please ignore above \"FATAL: Module %s not found."
"\"\n", VMWARE_DRIVER_NAME, VMWGFX_MODULE_NAME);
/* This is what goes into the log on the other hand */
xf86DrvMsg(-1, X_PROBED, "%s: Please ignore above \"[drm] failed to "
"load kernel module \"%s\"\"\n", VMWARE_DRIVER_NAME,
VMWGFX_MODULE_NAME);
return FALSE;
}
drmClose(ret);
return TRUE;
}
static Bool
vmware_check_vmwgfx_driver(int matched, pointer opts)
{
int major; int minor;
pointer module;
CARD32 version;
if (matched) {
xf86DrvMsg(-1, X_PROBED, "%s: X configured to use %s X driver assume "
"who ever did that knows what they are doing\n",
VMWARE_DRIVER_NAME, VMWGFX_DRIVER_NAME);
/* Also how did they end up here, if the configured X to use vmwgfx and
* X should load that driver for that hardware. And since there is only
* one SVGA device this driver shouldn't be loaded. Weird...
*/
return TRUE;
}
module = xf86LoadOneModule(VMWGFX_DRIVER_NAME, opts);
if (!module) {
xf86DrvMsg(-1, X_ERROR, "%s: Please ignore the above warnings about "
"not being able to to load module/driver %s\n",
VMWARE_DRIVER_NAME, VMWGFX_DRIVER_NAME);
return FALSE;
}
version = xf86GetModuleVersion(module);
major = GET_MODULE_MAJOR_VERSION(version);
minor = GET_MODULE_MINOR_VERSION(version);
if (major > VMWGFX_COMPAT_MAJOR ||
major < VMWGFX_REQUIRED_MAJOR ||
(major == VMWGFX_REQUIRED_MAJOR && minor < VMWGFX_REQUIRED_MINOR)) {
xf86DrvMsg(-1, X_PROBED, "%s: The %s X driver failed version "
"checking.\n", VMWARE_DRIVER_NAME, VMWGFX_DRIVER_NAME);
goto err;
}
return TRUE;
err:
/* XXX We should drop the reference on the module here */
return FALSE;
}
static void
vmware_chain_module(pointer opts)
{
int vmwlegacy_devices;
int vmwgfx_devices;
int vmware_devices;
int matched;
char *driver_name;
GDevPtr *gdevs;
GDevPtr gdev;
int i;
vmware_devices = xf86MatchDevice(VMWARE_DRIVER_NAME, &gdevs);
vmwgfx_devices = xf86MatchDevice(VMWGFX_DRIVER_NAME, NULL);
vmwlegacy_devices = xf86MatchDevice(VMWLEGACY_DRIVER_NAME, NULL);
if (vmware_check_vmwgfx_driver(vmwgfx_devices, opts) &&
vmware_check_kernel_module()) {
xf86DrvMsg(-1, X_INFO, "%s: Using %s X driver.\n",
VMWARE_DRIVER_NAME, VMWGFX_DRIVER_NAME);
driver_name = VMWGFX_DRIVER_NAME;
matched = 1;
} else {
xf86DrvMsg(-1, X_INFO, "%s: Using %s driver everything is fine.\n",
VMWARE_DRIVER_NAME, VMWLEGACY_DRIVER_NAME);
driver_name = VMWLEGACY_DRIVER_NAME;
matched = vmwlegacy_devices;
}
/* Xorg -configure returns 1 from xf86MatchDevice with NULL gdevs */
for (i = 0; gdevs && i < vmware_devices; i++) {
gdev = gdevs[i];
gdev->driver = driver_name;
}
xfree(gdevs);
if (!matched)
xf86LoadOneModule(driver_name, opts);
}
/*
* Module info
*/
static XF86ModuleVersionInfo vmware_version = {
VMWARE_DRIVER_NAME,
MODULEVENDORSTRING,
MODINFOSTRING1,
MODINFOSTRING2,
XORG_VERSION_CURRENT,
PACKAGE_VERSION_MAJOR, PACKAGE_VERSION_MINOR, PACKAGE_VERSION_PATCHLEVEL,
ABI_CLASS_VIDEODRV,
ABI_VIDEODRV_VERSION,
MOD_CLASS_VIDEODRV,
{0, 0, 0, 0}
};
static pointer
vmware_setup(pointer module, pointer opts, int *errmaj, int *errmin)
{
static Bool setupDone = 0;
/* This module should be loaded only once, but check to be sure. */
if (!setupDone) {
setupDone = 1;
/* Chain load the real driver */
vmware_chain_module(opts);
return (pointer) 1;
} else {
if (errmaj)
*errmaj = LDR_ONCEONLY;
return NULL;
}
}
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