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Linux: Implements virtio ioctls for 32-bit

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This makes running Steam under parallels more sane
This commit is contained in:
Ryan Houdek committed 2021-10-27 13:01:28 -07:00
1 parent 7e9201cf0d
commit 33151e16a2
3 files changed
+39
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Source/Tests/LinuxSyscalls/x32/Ioctl/drm.h
+1
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@@ -16,6 +16,7 @@
#include <drm/nouveau_drm.h>
#include <drm/vc4_drm.h>
#include <drm/v3d_drm.h>
#include <drm/virtgpu_drm.h>
#include <sys/ioctl.h>
#define CPYT(x) val.x = x
Source/Tests/LinuxSyscalls/x32/Ioctl/virtio_drm.inl
+9
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@@ -0,0 +1,9 @@
_BASIC_META(DRM_IOCTL_VIRTGPU_MAP)
_BASIC_META(DRM_IOCTL_VIRTGPU_EXECBUFFER)
_BASIC_META(DRM_IOCTL_VIRTGPU_GETPARAM)
_BASIC_META(DRM_IOCTL_VIRTGPU_RESOURCE_CREATE)
_BASIC_META(DRM_IOCTL_VIRTGPU_RESOURCE_INFO)
_BASIC_META(DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST)
_BASIC_META(DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST)
_BASIC_META(DRM_IOCTL_VIRTGPU_WAIT)
_BASIC_META(DRM_IOCTL_VIRTGPU_GET_CAPS)
Source/Tests/LinuxSyscalls/x32/IoctlEmulation.cpp
+29
View File
@@ -409,6 +409,31 @@ namespace FEX::HLE::x32 {
return -EPERM;
}
uint32_t Virtio_Handler(int fd, uint32_t cmd, uint32_t args) {
switch (_IOC_NR(cmd)) {
#define _BASIC_META(x) case _IOC_NR(x):
#define _BASIC_META_VAR(x, args...) case _IOC_NR(x):
#define _CUSTOM_META(name, ioctl_num)
#define _CUSTOM_META_OFFSET(name, ioctl_num, offset)
// DRM
#include "Tests/LinuxSyscalls/x32/Ioctl/virtio_drm.inl"
{
uint64_t Result = ::ioctl(fd, cmd, args);
SYSCALL_ERRNO();
break;
}
default:
UnhandledIoctl("Virtio", fd, cmd, args);
return -EPERM;
break;
}
#undef _BASIC_META
#undef _BASIC_META_VAR
#undef _CUSTOM_META
#undef _CUSTOM_META_OFFSET
return -EPERM;
}
void AssignDeviceTypeToFD(int fd, drm_version const &Version) {
if (Version.name) {
if (strcmp(Version.name, "amdgpu") == 0) {
@@ -435,6 +460,9 @@ namespace FEX::HLE::x32 {
else if (strcmp(Version.name, "v3d") == 0) {
FDToHandler.SetFDHandler(fd, V3D_Handler);
}
else if (strcmp(Version.name, "virtio_gpu") == 0) {
FDToHandler.SetFDHandler(fd, Virtio_Handler);
}
else {
LogMan::Msg::E("Unknown DRM device: '%s'", Version.name);
}
@@ -589,6 +617,7 @@ namespace FEX::HLE::x32 {
#include "Tests/LinuxSyscalls/x32/Ioctl/nouveau_drm.inl"
#include "Tests/LinuxSyscalls/x32/Ioctl/vc4_drm.inl"
#include "Tests/LinuxSyscalls/x32/Ioctl/v3d_drm.inl"
#include "Tests/LinuxSyscalls/x32/Ioctl/virtio_drm.inl"
#undef _BASIC_META
#undef _BASIC_META_VAR