diff options
Diffstat (limited to 'src/VBox/Additions/linux/drm')
| -rw-r--r-- | src/VBox/Additions/linux/drm/.scm-settings | 35 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/Makefile.kmk | 52 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/Makefile.module.kms | 72 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/README.testing | 13 | ||||
| -rwxr-xr-x | src/VBox/Additions/linux/drm/files_vboxvideo_drv | 59 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/indent.sed | 285 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_drv.c | 455 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_drv.h | 557 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_fb.c | 541 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_hgsmi.c | 130 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_irq.c | 225 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_main.c | 704 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_mode.c | 949 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_prime.c | 82 | ||||
| -rw-r--r-- | src/VBox/Additions/linux/drm/vbox_ttm.c | 843 |
15 files changed, 5002 insertions, 0 deletions
diff --git a/src/VBox/Additions/linux/drm/.scm-settings b/src/VBox/Additions/linux/drm/.scm-settings new file mode 100644 index 00000000..8e7c51aa --- /dev/null +++ b/src/VBox/Additions/linux/drm/.scm-settings @@ -0,0 +1,35 @@ +# $Id: .scm-settings $ +## @file +# Source code massager settings for linux drm driver. +# + +# +# Copyright (C) 2010-2023 Oracle and/or its affiliates. +# +# This file is part of VirtualBox base platform packages, as +# available from https://www.virtualbox.org. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation, in version 3 of the +# License. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see <https://www.gnu.org/licenses>. +# +# SPDX-License-Identifier: GPL-3.0-only +# + + +#Sources are MIT licensed for simplier upstreaming, several files are external. +/*.c|/*.h: --license-based-on-mit --no-convert-tabs +/vbox_hgsmi.c: --license-mit +/Makefile.module.kms: --treat-as Makefile + +--filter-out-files /README.testing + diff --git a/src/VBox/Additions/linux/drm/Makefile.kmk b/src/VBox/Additions/linux/drm/Makefile.kmk new file mode 100644 index 00000000..82e9e297 --- /dev/null +++ b/src/VBox/Additions/linux/drm/Makefile.kmk @@ -0,0 +1,52 @@ +# $Id: Makefile.kmk $ +## @file +# Sub-Makefile for the vboxvideo DRM module (linux kernel OpenGL module). +# + +# +# Copyright (C) 2006-2023 Oracle and/or its affiliates. +# +# This file is part of VirtualBox base platform packages, as +# available from https://www.virtualbox.org. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation, in version 3 of the +# License. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see <https://www.gnu.org/licenses>. +# +# SPDX-License-Identifier: GPL-3.0-only +# + +SUB_DEPTH = ../../../../.. +include $(KBUILD_PATH)/subheader.kmk + +# +# Populate FILES_VBOXVIDEO_DRM_NOBIN +# +INSTALLS += vboxvideo-src +include $(PATH_SUB_CURRENT)/files_vboxvideo_drv +vboxvideo-src_DEPS = \ + $(PATH_ROOT)/src/VBox/Additions/linux/drm/files_vboxvideo_drv \ + $(PATH_ROOT)/src/VBox/Additions/linux/drm/indent.sed +vboxvideo-src_INST = $(INST_ADDITIONS)src/vboxvideo/ +vboxvideo-src_SOURCES = \ + $(subst $(DQUOTE),,$(FILES_VBOXVIDEO_DRM_NOBIN)) +vboxvideo-src_EXEC_SOURCES = \ + $(subst $(DQUOTE),,$(FILES_VBOXVIDEO_DRM_BIN)) +vboxvideo-src_INSTALLER = $(RM_EXT) -f -- "$2" && \ + $(if $(filter %.c %.h,$2),$(SED) -f $(PATH_ROOT)/src/VBox/Additions/linux/drm/indent.sed \ + --output "$2" "$1",$(CP_EXT) "$1" "$2") && \ + $(CHMOD_EXT) "$(if $(mode),$(mode),0644)" "$2" + + + +include $(FILE_KBUILD_SUB_FOOTER) + diff --git a/src/VBox/Additions/linux/drm/Makefile.module.kms b/src/VBox/Additions/linux/drm/Makefile.module.kms new file mode 100644 index 00000000..99f4dab3 --- /dev/null +++ b/src/VBox/Additions/linux/drm/Makefile.module.kms @@ -0,0 +1,72 @@ +# $Id: Makefile.module.kms $ +## @file +# VirtualBox Guest Additions Module Makefile. +# +# (For 2.6.x this file must be 'Makefile'!) +# + +# +# Copyright (C) 2006-2023 Oracle and/or its affiliates. +# +# This file is part of VirtualBox base platform packages, as +# available from https://www.virtualbox.org. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation, in version 3 of the +# License. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see <https://www.gnu.org/licenses>. +# +# SPDX-License-Identifier: GPL-3.0-only +# + +# Linux kbuild sets this to our source directory if we are called from there +obj ?= $(CURDIR) +include $(obj)/Makefile-header.gmk +VBOXDRM_DIR = $(VBOX_MODULE_SRC_DIR) + +# We want to build on Linux 3.11 and later and on all EL 7 kernels. +VBOX_BUILD = +ifneq ($(filter-out 1.% 2.% 3.0 3.0.% 3.1 3.1.% 3.2 3.2.% 3.3 3.3.% 3.4 3.4.% 3.5 3.5.% 3.6 3.6.% 3.7 3.7.% 3.8 3.8.% 3.9 3.9.% 3.10 3.10.%,$(KERN_VER)),) + VBOX_BUILD = 1 +endif +ifeq ($(filter-out %.el7.x86_64,$(KERN_VER)),) + VBOX_BUILD = 1 +endif + +ifneq ($(VBOX_BUILD),) + +VBOXMOD_NAME = vboxvideo +VBOXMOD_OBJS = \ + hgsmi_base.o \ + modesetting.o \ + vbox_drv.o \ + vbox_fb.o \ + vbox_irq.o \ + vbox_main.o \ + vbox_mode.o \ + vbox_ttm.o \ + vbva_base.o \ + vbox_prime.o \ + vbox_hgsmi.o +VBOXMOD_INCL = \ + $(VBOXDRM_DIR) \ + $(KERN_INCL)/drm + +include $(obj)/Makefile-footer.gmk + +else # !VBOX_BUILD + + all: + install: + clean: + +endif # !VBOX_BUILD + diff --git a/src/VBox/Additions/linux/drm/README.testing b/src/VBox/Additions/linux/drm/README.testing new file mode 100644 index 00000000..72cd96c3 --- /dev/null +++ b/src/VBox/Additions/linux/drm/README.testing @@ -0,0 +1,13 @@ +This document lists things which have been known to fail in the past with the +drm video driver and which should be tested regularly, e.g. when making code +changes or before releases. + + * Test that "auto-resize" is enabled in the GUI if user space supports it. + * Test that old versions of Plymouth which do not report rectangles + (pre-0.9.0/2014-05-20) update the screen correctly. + * Having valid, non-overlapping offset hints on all screens has caused + mouse integration and/or screen updates to break for fbdev, X.Org or + GNOME Shell/Wayland. + * Note that if a multi-screen VM is booted with only one screen enabled + the fbdev console will be disabled on the others until reboot. Test this + configuration. diff --git a/src/VBox/Additions/linux/drm/files_vboxvideo_drv b/src/VBox/Additions/linux/drm/files_vboxvideo_drv new file mode 100755 index 00000000..04092484 --- /dev/null +++ b/src/VBox/Additions/linux/drm/files_vboxvideo_drv @@ -0,0 +1,59 @@ +#!/bin/sh +# $Id: files_vboxvideo_drv $ +## @file +# Shared file between Makefile.kmk and export_modules.sh. +# + +# +# Copyright (C) 2011-2023 Oracle and/or its affiliates. +# +# This file is part of VirtualBox base platform packages, as +# available from https://www.virtualbox.org. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation, in version 3 of the +# License. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see <https://www.gnu.org/licenses>. +# +# SPDX-License-Identifier: GPL-3.0-only +# + +FILES_VBOXVIDEO_DRM_NOBIN=" \ + ${PATH_OUT}/version-generated.h=>version-generated.h \ + ${PATH_OUT}/revision-generated.h=>revision-generated.h \ + ${PATH_OUT}/product-generated.h=>product-generated.h \ + ${PATH_ROOT}/include/VBox/Graphics/VBoxVideo.h=>vboxvideo.h \ + ${PATH_ROOT}/include/VBox/Graphics/VBoxVideoGuest.h=>vboxvideo_guest.h \ + ${PATH_ROOT}/include/VBox/Graphics/HGSMIChannels.h=>hgsmi_channels.h \ + ${PATH_ROOT}/include/VBox/Graphics/HGSMIChSetup.h=>hgsmi_ch_setup.h \ + ${PATH_ROOT}/include/VBox/Graphics/HGSMIContext.h=>hgsmi_context.h \ + ${PATH_ROOT}/include/VBox/Graphics/HGSMIDefs.h=>hgsmi_defs.h \ + ${PATH_ROOT}/include/VBox/Graphics/VBoxVideoErr.h=>vbox_err.h \ + ${PATH_ROOT}/include/VBox/Graphics/VBoxVideoVBE.h=>vboxvideo_vbe.h \ + ${PATH_ROOT}/src/VBox/Additions/common/VBoxVideo/HGSMIBase.cpp=>hgsmi_base.c \ + ${PATH_ROOT}/src/VBox/Additions/common/VBoxVideo/Modesetting.cpp=>modesetting.c \ + ${PATH_ROOT}/src/VBox/Additions/common/VBoxVideo/VBVABase.cpp=>vbva_base.c \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/vbox_drv.c=>vbox_drv.c \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/vbox_drv.h=>vbox_drv.h \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/vbox_fb.c=>vbox_fb.c \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/vbox_irq.c=>vbox_irq.c \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/vbox_main.c=>vbox_main.c \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/vbox_mode.c=>vbox_mode.c \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/vbox_prime.c=>vbox_prime.c \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/vbox_ttm.c=>vbox_ttm.c \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/vbox_hgsmi.c=>vbox_hgsmi.c \ + ${PATH_ROOT}/src/VBox/Installer/linux/Makefile-header.gmk=>Makefile-header.gmk \ + ${PATH_ROOT}/src/VBox/Installer/linux/Makefile-footer.gmk=>Makefile-footer.gmk \ + ${PATH_ROOT}/src/VBox/Additions/linux/drm/Makefile.module.kms=>Makefile \ +" + +FILES_VBOXVIDEO_DRM_BIN=" \ +" diff --git a/src/VBox/Additions/linux/drm/indent.sed b/src/VBox/Additions/linux/drm/indent.sed new file mode 100644 index 00000000..4401ca44 --- /dev/null +++ b/src/VBox/Additions/linux/drm/indent.sed @@ -0,0 +1,285 @@ +# Oracle VM VirtualBox +# VirtualBox to Linux kernel coding style conversion script. + +# +# Copyright (C) 2017-2023 Oracle and/or its affiliates. +# +# This file is part of VirtualBox base platform packages, as +# available from https://www.virtualbox.org. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation, in version 3 of the +# License. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, see <https://www.gnu.org/licenses>. +# +# SPDX-License-Identifier: GPL-3.0-only +# + +# This script is for converting code inside the vboxvideo module to Linux +# kernel coding style. It assumes correct VirtualBox coding style, will break +# break if the coding style is wrong (e.g. tab instead of spaces) and is not +# indended to be a generic solution: for example, identifiers will be +# translated case by case, not algorithmically. It also assumes that any +# flexibility in either coding style will be used where possible to make the +# code conform to both at once. + +# Replace up to six leading groups of four spaces with tabs. +s/^ */\t\t\t\t\t\t/g +s/^ /\t\t\t\t\t/g +s/^ /\t\t\t\t/g +s/^ /\t\t\t/g +s/^ /\t\t/g +s/^ /\t/g + +# Change various symbols and file names to fit kernel conventions. + +# Miscellaneous: +# Remove @file headers. +\|/\*\* @file| { +:start + N + s|\*/|\*/|g + T start + N + d +} +/^\/\* \$Id:.*\*\/$/d +/^typedef .* HGSMIOFFSET;/d +/^typedef .* HGSMISIZE;/d +s/^#\( *\)include <\([^/]*\)>/#\1include "\2"/g + +# File names: +s/\bHGSMIBase\.h\b/vbox_drv.h/g +s/\bHGSMIChannels\.h\b/hgsmi_channels.h/g +s/\bHGSMIChSetup\.h\b/hgsmi_ch_setup.h/g +s/\bHGSMIContext\.h\b/hgsmi_context.h/g +s/\bHGSMIDefs\.h\b/hgsmi_defs.h/g +s/\bVBoxVideoGuest\.h\b/vboxvideo_guest.h/g +s/\bVBoxVideo\.h\b/vboxvideo.h/g +s/\bVBoxVideoIPRT\.h\b/vbox_err.h/g +s/\bVBoxVideoVBE\.h\b/vboxvideo_vbe.h/g + +# Function names: +s/\btestQueryConf\b/hgsmi_test_query_conf/g +s/\bVBoxHGSMIBufferAlloc\b/hgsmi_buffer_alloc/g +s/\bVBoxHGSMIBufferFree\b/hgsmi_buffer_free/g +s/\bVBoxHGSMIBufferSubmit\b/hgsmi_buffer_submit/g +s/\bVBoxHGSMICursorPosition\b/hgsmi_cursor_position/g +s/\bVBoxHGSMIGetModeHints\b/hgsmi_get_mode_hints/g +s/\bVBoxHGSMIProcessDisplayInfo\b/hgsmi_process_display_info/g +s/\bVBoxHGSMIReportFlagsLocation\b/hgsmi_report_flags_location/g +s/\bVBoxHGSMISendCapsInfo\b/hgsmi_send_caps_info/g +s/\bVBoxHGSMIUpdateInputMapping\b/hgsmi_update_input_mapping/g +s/\bVBoxHGSMIUpdatePointerShape\b/hgsmi_update_pointer_shape/g +s/\bvboxHwBufferAvail\b/vbva_buffer_available/g +s/\bvboxHwBufferEndUpdate\b/vbva_buffer_end_update/g +s/\bvboxHwBufferFlush\b/vbva_buffer_flush/g +s/\bvboxHwBufferPlaceDataAt\b/vbva_buffer_place_data_at/g +s/\bvboxHwBufferWrite\b/vbva_write/g +s/\bVBoxQueryConfHGSMI\b/hgsmi_query_conf/g +s/\bVBoxVBVABufferBeginUpdate\b/vbva_buffer_begin_update/g +s/\bVBoxVBVABufferEndUpdate\b/vbva_buffer_end_update/g +s/\bVBoxVBVADisable\b/vbva_disable/g +s/\bVBoxVBVAEnable\b/vbva_enable/g +s/\bvboxVBVAInformHost\b/vbva_inform_host/g +s/\bvboxVBVASetupBufferContext\b/vbva_setup_buffer_context/g +s/\bVBVO_PORT_READ_U8\b/inb/g +s/\bVBVO_PORT_READ_U16\b/inw/g +s/\bVBVO_PORT_READ_U32\b/inl/g +s/\bVBVO_PORT_WRITE_U8\b *( *\(\b[^(),]*\b\) *, *\(\b[^(),]*\b\) *)/outb(\2, \1)/g +s/\bVBVO_PORT_WRITE_U16\b *( *\(\b[^(),]*\b\) *, *\(\b[^(),]*\b\) *)/outw(\2, \1)/g +s/\bVBVO_PORT_WRITE_U32\b *( *\(\b[^(),]*\b\) *, *\(\b[^(),]*\b\) *)/outl(\2, \1)/g +s/\bVBVO_PORT_WRITE_U[0-9]*\b/VBVO_PORT_WRITE_statement_should_be_on_one_line/g + +# Macros: +s/\b_1K\b/1024/g +s/\b_4M\b/4*1024*1024/g +s/\bAssert\b\([^;]*\);/WARN_ON_ONCE(!(\1));/g +s/\bAssertCompile\b/assert_compile/g +s/\bAssertCompileSize\b/assert_compile_size/g +s/\bAssertPtr\b\([^;]*\);/WARN_ON_ONCE(!(\1));/g +s/\bAssertPtrReturn\b/assert_ptr_return/g +/AssertPtrNullReturnVoid/d +s/\bAssertRC\b\([^;]*\);/WARN_ON_ONCE(RT_FAILURE\1);/g +s/\bAssertRC\b/Assert_RC_statement_should_be_on_one_line/g +s/\bDECLCALLBACK\b(\([^)]*\))/\1/g + s/\bDECLCALLBACKTYPE\b(\([^,)]*\), *\([^,)]*\), *(\([^;)]*\) *) *)/\1 \2(\3)/g +s/\bDECLCALLBACKMEMBER\b(\([^,)]*\), *\([^,)]*\), *(\([^;)]*\) *) *)/\1 (*\2)(\3)/g +s/^\bDECLHIDDEN\b(\([^)]*\))/\1/g +s/\bDECLINLINE\b(\([^)]*\))/static inline \1/g +s/\bRT_BIT\b/BIT/g +s/\bRT_BOOL\b(\([^)]*\))/(!!(\1))/g +/RT_C_DECLS/d +s/\bUINT16_MAX\b/U16_MAX/g +s/\bUINT32_MAX\b/U32_MAX/g +s/\bUINT32_C\b(\(.*\))/\1u/g +s/!RT_VALID_PTR(/WARN_ON(!/g +s/\bRT_UNTRUSTED_VOLATILE_HOST\b//g +s/\bRT_UNTRUSTED_VOLATILE_GUEST\b//g +s/\bRT_UNTRUSTED_VOLATILE_HSTGST\b//g + +# Type names: +s/\bint32_t\b/s32/g +s/\buint8_t\b/u8/g +s/\buint16_t\b/u16/g +s/\buint32_t\b/u32/g +s/(HGSMIBUFFERLOCATION \*)//g # Remove C++ casts from void. +s/typedef struct HGSMIBUFFERLOCATION/struct hgsmi_buffer_location/g +s/struct HGSMIBUFFERLOCATION/struct hgsmi_buffer_location/g +s/} HGSMIBUFFERLOCATION/}/g +s/\bHGSMIBUFFERLOCATION\b/struct hgsmi_buffer_location/g +s/\([^*] *\)\bPHGSMIGUESTCOMMANDCONTEXT\b/\1struct gen_pool */g +s/(HGSMIHOSTFLAGS \*)//g # Remove C++ casts from void. +s/typedef struct HGSMIHOSTFLAGS/struct hgsmi_host_flags/g +s/struct HGSMIHOSTFLAGS/struct hgsmi_host_flags/g +s/} HGSMIHOSTFLAGS/}/g +s/\bHGSMIHOSTFLAGS\b/struct hgsmi_host_flags/g +s/\bHGSMIOFFSET\b/u32/g +s/\bHGSMISIZE\b/u32/g +s/\bRTRECT\b/void/g +s/(VBVABUFFERCONTEXT \*)//g # Remove C++ casts from void. +s/struct VBVABUFFERCONTEXT/struct vbva_buf_context/g +s/} VBVABUFFERCONTEXT/} vbva_buf_context/g +s/\bVBVABUFFERCONTEXT\b/struct vbva_buf_context/g +s/\([^*] *\)\bPVBVABUFFERCONTEXT\b/\1struct vbva_buf_context */g +s/(VBVACAPS \*)//g # Remove C++ casts from void. +s/struct VBVACAPS/struct vbva_caps/g +s/} VBVACAPS/} vbva_caps/g +s/\bVBVACAPS\b/struct vbva_caps/g +s/(VBVACONF32 \*)//g # Remove C++ casts from void. +s/struct VBVACONF32/struct vbva_conf32/g +s/} VBVACONF32/} vbva_conf32/g +s/\bVBVACONF32\b/struct vbva_conf32/g +s/(VBVACURSORPOSITION \*)//g # Remove C++ casts from void. +s/struct VBVACURSORPOSITION/struct vbva_cursor_position/g +s/} VBVACURSORPOSITION/} vbva_cursor_position/g +s/\bVBVACURSORPOSITION\b/struct vbva_cursor_position/g +s/(VBVAENABLE_EX \*)//g # Remove C++ casts from void. +s/struct VBVAENABLE_EX/struct vbva_enable_ex/g +s/} VBVAENABLE_EX/} vbva_enable_ex/g +s/\bVBVAENABLE_EX\b/struct vbva_enable_ex/g +s/(VBVAMOUSEPOINTERSHAPE \*)//g # Remove C++ casts from void. +s/struct VBVAMOUSEPOINTERSHAPE/struct vbva_mouse_pointer_shape/g +s/} VBVAMOUSEPOINTERSHAPE/} vbva_mouse_pointer_shape/g +s/\bVBVAMOUSEPOINTERSHAPE\b/struct vbva_mouse_pointer_shape/g +s/(VBVAMODEHINT \*)//g # Remove C++ casts from void. +s/struct VBVAMODEHINT/struct vbva_modehint/g +s/} VBVAMODEHINT/} vbva_modehint/g +s/\bVBVAMODEHINT\b/struct vbva_modehint/g +s/(VBVAQUERYMODEHINTS \*)//g # Remove C++ casts from void. +s/struct VBVAQUERYMODEHINTS/struct vbva_query_mode_hints/g +s/} VBVAQUERYMODEHINTS/} vbva_query_mode_hints/g +s/\bVBVAQUERYMODEHINTS\b/struct vbva_query_mode_hints/g +s/(VBVAREPORTINPUTMAPPING \*)//g # Remove C++ casts from void. +s/struct VBVAREPORTINPUTMAPPING/struct vbva_report_input_mapping/g +s/} VBVAREPORTINPUTMAPPING/} vbva_report_input_mapping/g +s/\bVBVAREPORTINPUTMAPPING\b/struct vbva_report_input_mapping/g + +# Variable and parameter names: +s/\baRecords\b/records/g +s/\bau8Data\b/data/g +s/\bau32Reserved\b/reserved/g +s/\bBase\b/base/g +s/\bbEnable\b/enable/g +s/\bbRc\b/ret/g +s/\bcb\b/len/g +s/\bcbBuffer\b/buffer_length/g +s/\bcbChunk\b/chunk/g +s/\bcbData\b/data_len/g +s/\bcbHintsStructureGuest\b/hints_structure_guest_size/g +s/\bcbHwBufferAvail\b/available/g +s/\bcbLength\b/len/g +s/\bcbLocation\b/buf_len/g +s/\bcbPartialWriteThreshold\b/partial_write_tresh/g ## @todo fix this? +s/\bcbPitch\b/pitch/g +s/\bcbPixels\b/pixel_len/g +s/\bcBPP\b/bpp/g +s/\bcbRecord\b/len_and_flags/g ## @todo fix this? +s/\bcDisplay\b/display/g +s/\bcHeight\b/height/g +s/\bcHintsQueried\b/hints_queried_count/g +s/\bcHotX\b/hot_x/g +s/\bcHotY\b/hot_y/g +s/\bcOriginX\b/origin_x/g +s/\bcOriginY\b/origin_y/g +s/\bcScreen\b/screen/g +s/\bcScreens\b/screens/g +s/\bcWidth\b/width/g +s/\bfCaps\b/caps/g +s/\bfFlags\b/flags/g +s/\bfHwBufferOverflow\b/buffer_overflow/g +s/\bfReportPosition\b/report_position/g +s/\bfu32Flags\b/flags/g +s/\bhostFlags\b/host_flags/g +s/\bi32Diff\b/diff/g +s/\bi32OriginX\b/origin_x/g +s/\bi32OriginY\b/origin_y/g +s/\bi32Result\b/result/g +s/\bindexRecordFirst\b/first_record_index/g +s/\bindexRecordFree\b/free_record_index/g +s/\bindexRecordNext\b/next/g +s/\boff32Data\b/data_offset/g +s/\boff32Free\b/free_offset/g +s/\boffLocation\b/location/g +s/\boffStart\b/start_offset/g +s/\boffVRAMBuffer\b/buffer_offset/g +s/\bpaHints\b/hints/g +s/\bpCtx\b/ctx/g +s/\bpPixels\b/pixels/g +s/\bpRecord\b/record/g +s/\bpulValue\b/value_ret/g +s/\bpVBVA\b/vbva/g +s/\bpxHost\b/x_host/g +s/\bpyHost\b/y_host/g +s/\bu16BitsPerPixel\b/bits_per_pixel/g +s/\bu16Flags\b/flags/g +s/\bu32BytesTillBoundary\b/bytes_till_boundary/g +s/\bu32Flags\b/flags/g +s/\bu32Height\b/height/g +s/\bu32HostEvents\b/host_events/g +s/\bu32HostFlags\b/host_flags/g +s/\bu32HotX\b/hot_x/g +s/\bu32HotY\b/hot_y/g +s/\bu32Index\b/index/g +s/\bu32LineSize\b/line_size/g +s/\bu32Offset\b/offset/g +s/\bu32Reserved\b/reserved/g +s/\bu32ScreenId\b/screen_id/g +s/\bu32StartOffset\b/start_offset/g +s/\bu32SupportedOrders\b/supported_orders/g +s/\bu32Value\b/value/g +s/\bu32ViewIndex\b/view_index/g +s/\bu32Width\b/width/g +s/\bulValue\b/value/g + +# Header file guard: +s/__HGSMIChannels_h__/__HGSMI_CHANNELS_H__/g +s/VBOX_INCLUDED_Graphics_HGSMIChSetup_h/__HGSMI_CH_SETUP_H__/g + +# And move braces. This must be the last expression as it jumps to the next +# line. +/..*$/ { + N + s/^\([\t ][\t ]*\)} *\n[\t ]*else/\1} else/g + t continue_else + b try_brace +:continue_else + N +:try_brace + s/^\([\t ].*\)\n[\t ][\t ]*{/\1 {/g + s/^\([^#()]*\)\n[\t ]*{/\1 {/g + t done_brace + P + D +:done_brace + p + d +} diff --git a/src/VBox/Additions/linux/drm/vbox_drv.c b/src/VBox/Additions/linux/drm/vbox_drv.c new file mode 100644 index 00000000..3e4cbc60 --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_drv.c @@ -0,0 +1,455 @@ +/* $Id: vbox_drv.c $ */ +/** @file + * VirtualBox Additions Linux kernel video driver + */ + +/* + * Copyright (C) 2013-2023 Oracle and/or its affiliates. + * This file is based on ast_drv.c + * Copyright 2012 Red Hat Inc. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ +#include <linux/module.h> +#include <linux/console.h> +#include <linux/vt_kern.h> + +#include "vbox_drv.h" + +#include <drm/drm_crtc_helper.h> +#if RTLNX_VER_MIN(5,1,0) || RTLNX_RHEL_MAJ_PREREQ(8,1) +# include <drm/drm_probe_helper.h> +#endif + +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) +# include <drm/drm_aperture.h> +#endif + +#include "version-generated.h" +#include "revision-generated.h" + +/** Detect whether kernel mode setting is OFF. */ +#if defined(CONFIG_VGA_CONSOLE) +# if RTLNX_VER_MIN(5,17,0) || RTLNX_RHEL_RANGE(8,7, 8,99) || RTLNX_RHEL_MIN(9,1) || RTLNX_SUSE_MAJ_PREREQ(15,5) +# define VBOX_VIDEO_NOMODESET() drm_firmware_drivers_only() && vbox_modeset == -1 +# elif RTLNX_VER_MIN(4,7,0) +# define VBOX_VIDEO_NOMODESET() vgacon_text_force() && vbox_modeset == -1 +# else /* < 4.7.0 */ +# define VBOX_VIDEO_NOMODESET() 0 +# endif /* < 4.7.0 */ +#else /* !CONFIG_VGA_CONSOLE */ +# define VBOX_VIDEO_NOMODESET() 0 +#endif /* !CONFIG_VGA_CONSOLE */ + +static int vbox_modeset = -1; + +MODULE_PARM_DESC(modeset, "Disable/Enable modesetting"); +module_param_named(modeset, vbox_modeset, int, 0400); + +static struct drm_driver driver; + +static const struct pci_device_id pciidlist[] = { + { 0x80ee, 0xbeef, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { 0, 0, 0}, +}; +MODULE_DEVICE_TABLE(pci, pciidlist); + +static int vbox_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent) +{ +#if RTLNX_VER_MIN(4,19,0) || RTLNX_RHEL_MIN(8,3) + struct drm_device *dev = NULL; + int ret = 0; + +# if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) +# if RTLNX_VER_MIN(5,15,0) || RTLNX_RHEL_RANGE(8,7, 8,99) || RTLNX_RHEL_MIN(9,1) || RTLNX_SUSE_MAJ_PREREQ(15,4) + ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, &driver); +# else + ret = drm_aperture_remove_conflicting_pci_framebuffers(pdev, "vboxvideofb"); +# endif + if (ret) + { + printk("unable to remove conflicting framebuffer devices\n"); + return ret; + } +# endif /* >= 5.14. */ + + dev = drm_dev_alloc(&driver, &pdev->dev); + if (IS_ERR(dev)) { + ret = PTR_ERR(dev); + goto err_drv_alloc; + } +# if RTLNX_VER_MAX(5,14,0) && !RTLNX_RHEL_RANGE(8,6, 8,99) + dev->pdev = pdev; +# endif + pci_set_drvdata(pdev, dev); + + ret = vbox_driver_load(dev); + if (ret) + goto err_vbox_driver_load; + + ret = drm_dev_register(dev, 0); + if (ret) + goto err_drv_dev_register; + return ret; + +err_drv_dev_register: + vbox_driver_unload(dev); +err_vbox_driver_load: + drm_dev_put(dev); +err_drv_alloc: + return ret; +#else /* < 4.19.0 || RHEL < 8.3 */ + return drm_get_pci_dev(pdev, ent, &driver); +#endif +} + +static void vbox_pci_remove(struct pci_dev *pdev) +{ + struct drm_device *dev = pci_get_drvdata(pdev); + +#if RTLNX_VER_MAX(4,19,0) + drm_put_dev(dev); +#else + drm_dev_unregister(dev); + vbox_driver_unload(dev); + drm_dev_put(dev); +#endif +} + +#if RTLNX_VER_MAX(4,9,0) && !RTLNX_RHEL_MAJ_PREREQ(7,4) +static void drm_fb_helper_set_suspend_unlocked(struct drm_fb_helper *fb_helper, + bool suspend) +{ + if (!fb_helper || !fb_helper->fbdev) + return; + + console_lock(); + fb_set_suspend(fb_helper->fbdev, suspend); + console_unlock(); +} +#endif + +static int vbox_drm_freeze(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + + drm_kms_helper_poll_disable(dev); + + pci_save_state(VBOX_DRM_TO_PCI_DEV(dev)); + + drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, true); + + return 0; +} + +static int vbox_drm_thaw(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + + drm_mode_config_reset(dev); + drm_helper_resume_force_mode(dev); + drm_fb_helper_set_suspend_unlocked(&vbox->fbdev->helper, false); + + return 0; +} + +static int vbox_drm_resume(struct drm_device *dev) +{ + int ret; + + if (pci_enable_device(VBOX_DRM_TO_PCI_DEV(dev))) + return -EIO; + + ret = vbox_drm_thaw(dev); + if (ret) + return ret; + + drm_kms_helper_poll_enable(dev); + + return 0; +} + +static int vbox_pm_suspend(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *ddev = pci_get_drvdata(pdev); + int error; + + error = vbox_drm_freeze(ddev); + if (error) + return error; + + pci_disable_device(pdev); + pci_set_power_state(pdev, PCI_D3hot); + + return 0; +} + +static int vbox_pm_resume(struct device *dev) +{ + struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); + + return vbox_drm_resume(ddev); +} + +static int vbox_pm_freeze(struct device *dev) +{ + struct pci_dev *pdev = to_pci_dev(dev); + struct drm_device *ddev = pci_get_drvdata(pdev); + + if (!ddev || !ddev->dev_private) + return -ENODEV; + + return vbox_drm_freeze(ddev); +} + +static int vbox_pm_thaw(struct device *dev) +{ + struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); + + return vbox_drm_thaw(ddev); +} + +static int vbox_pm_poweroff(struct device *dev) +{ + struct drm_device *ddev = pci_get_drvdata(to_pci_dev(dev)); + + return vbox_drm_freeze(ddev); +} + +static const struct dev_pm_ops vbox_pm_ops = { + .suspend = vbox_pm_suspend, + .resume = vbox_pm_resume, + .freeze = vbox_pm_freeze, + .thaw = vbox_pm_thaw, + .poweroff = vbox_pm_poweroff, + .restore = vbox_pm_resume, +}; + +static struct pci_driver vbox_pci_driver = { + .name = DRIVER_NAME, + .id_table = pciidlist, + .probe = vbox_pci_probe, + .remove = vbox_pci_remove, + .driver.pm = &vbox_pm_ops, +}; + +#if RTLNX_VER_MAX(4,7,0) && !RTLNX_RHEL_MAJ_PREREQ(7,4) +/* This works around a bug in X servers prior to 1.18.4, which sometimes + * submit more dirty rectangles than the kernel is willing to handle and + * then disable dirty rectangle handling altogether when they see the + * EINVAL error. I do not want the code to hang around forever, which is + * why I am limiting it to certain kernel versions. We can increase the + * limit if some distributions uses old X servers with new kernels. */ +long vbox_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) +{ + long rc = drm_ioctl(filp, cmd, arg); + + if (cmd == DRM_IOCTL_MODE_DIRTYFB && rc == -EINVAL) + return -EOVERFLOW; + + return rc; +} +#endif /* RTLNX_VER_MAX(4,7,0) && !RTLNX_RHEL_MAJ_PREREQ(7,4) */ + +static const struct file_operations vbox_fops = { + .owner = THIS_MODULE, + .open = drm_open, + .release = drm_release, +#if RTLNX_VER_MAX(4,7,0) && !RTLNX_RHEL_MAJ_PREREQ(7,4) + .unlocked_ioctl = vbox_ioctl, +#else + .unlocked_ioctl = drm_ioctl, +#endif + .mmap = vbox_mmap, + .poll = drm_poll, +#if RTLNX_VER_MAX(3,12,0) && !RTLNX_RHEL_MAJ_PREREQ(7,0) + .fasync = drm_fasync, +#endif +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif + .read = drm_read, +}; + +#if RTLNX_VER_MIN(5,9,0) || RTLNX_RHEL_MIN(8,4) || RTLNX_SUSE_MAJ_PREREQ(15,3) +static void +#else +static int +#endif +vbox_master_set(struct drm_device *dev, + struct drm_file *file_priv, bool from_open) +{ + struct vbox_private *vbox = dev->dev_private; + + /* + * We do not yet know whether the new owner can handle hotplug, so we + * do not advertise dynamic modes on the first query and send a + * tentative hotplug notification after that to see if they query again. + */ + vbox->initial_mode_queried = false; + + mutex_lock(&vbox->hw_mutex); + /* Start the refresh timer in case the user does not provide dirty + * rectangles. */ + vbox->need_refresh_timer = true; + schedule_delayed_work(&vbox->refresh_work, VBOX_REFRESH_PERIOD); + mutex_unlock(&vbox->hw_mutex); + +#if RTLNX_VER_MAX(5,9,0) && !RTLNX_RHEL_MAJ_PREREQ(8,4) && !RTLNX_SUSE_MAJ_PREREQ(15,3) + return 0; +#endif +} + +#if RTLNX_VER_MAX(4,8,0) && !RTLNX_RHEL_MAJ_PREREQ(7,4) +static void vbox_master_drop(struct drm_device *dev, + struct drm_file *file_priv, bool from_release) +#else +static void vbox_master_drop(struct drm_device *dev, struct drm_file *file_priv) +#endif +{ + struct vbox_private *vbox = dev->dev_private; + + /* See vbox_master_set() */ + vbox->initial_mode_queried = false; + vbox_report_caps(vbox); + + mutex_lock(&vbox->hw_mutex); + vbox->need_refresh_timer = false; + mutex_unlock(&vbox->hw_mutex); +} + +static struct drm_driver driver = { +#if RTLNX_VER_MAX(5,4,0) && !RTLNX_RHEL_MAJ_PREREQ(8,3) && !RTLNX_SUSE_MAJ_PREREQ(15,3) + .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_HAVE_IRQ | +# if RTLNX_VER_MAX(5,1,0) && !RTLNX_RHEL_MAJ_PREREQ(8,1) + DRIVER_IRQ_SHARED | +# endif + DRIVER_PRIME, +#else /* >= 5.4.0 && RHEL >= 8.3 && SLES >= 15-SP3 */ + .driver_features = DRIVER_MODESET | DRIVER_GEM | DRIVER_HAVE_IRQ, +#endif /* < 5.4.0 */ + +#if RTLNX_VER_MAX(4,19,0) && !RTLNX_RHEL_MAJ_PREREQ(8,3) + /* Legacy hooks, but still supported. */ + .load = vbox_driver_load, + .unload = vbox_driver_unload, +#endif + .lastclose = vbox_driver_lastclose, + .master_set = vbox_master_set, + .master_drop = vbox_master_drop, +#if RTLNX_VER_MIN(3,18,0) || RTLNX_RHEL_MAJ_PREREQ(7,2) +# if RTLNX_VER_MAX(4,14,0) && !RTLNX_RHEL_MAJ_PREREQ(7,5) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) + .set_busid = drm_pci_set_busid, +# endif +#endif + + .fops = &vbox_fops, +#if RTLNX_VER_MAX(5,15,0) && !RTLNX_RHEL_RANGE(8,7, 8,99) && !RTLNX_RHEL_MAJ_PREREQ(9,1) && !RTLNX_SUSE_MAJ_PREREQ(15,5) + .irq_handler = vbox_irq_handler, +#endif + .name = DRIVER_NAME, + .desc = DRIVER_DESC, + .date = DRIVER_DATE, + .major = DRIVER_MAJOR, + .minor = DRIVER_MINOR, + .patchlevel = DRIVER_PATCHLEVEL, + +#if RTLNX_VER_MAX(4,7,0) + .gem_free_object = vbox_gem_free_object, +#endif + .dumb_create = vbox_dumb_create, + .dumb_map_offset = vbox_dumb_mmap_offset, +#if RTLNX_VER_MAX(3,12,0) && !RTLNX_RHEL_MAJ_PREREQ(7,3) + .dumb_destroy = vbox_dumb_destroy, +#elif RTLNX_VER_MAX(5,12,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + .dumb_destroy = drm_gem_dumb_destroy, +#endif +#if RTLNX_VER_MAX(6,6,0) && !RTLNX_RHEL_RANGE(9,4, 9,99) + .prime_handle_to_fd = drm_gem_prime_handle_to_fd, + .prime_fd_to_handle = drm_gem_prime_fd_to_handle, +#endif + .gem_prime_import = drm_gem_prime_import, + .gem_prime_import_sg_table = vbox_gem_prime_import_sg_table, +#if RTLNX_VER_MAX(6,6,0) && !RTLNX_RHEL_RANGE(9,4, 9,99) + .gem_prime_mmap = vbox_gem_prime_mmap, +#endif + +#if RTLNX_VER_MAX(5,11,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + .dev_priv_size = 0, +# if RTLNX_VER_MIN(4,7,0) + .gem_free_object_unlocked = vbox_gem_free_object, +# endif + .gem_prime_export = drm_gem_prime_export, + .gem_prime_pin = vbox_gem_prime_pin, + .gem_prime_unpin = vbox_gem_prime_unpin, + .gem_prime_get_sg_table = vbox_gem_prime_get_sg_table, + .gem_prime_vmap = vbox_gem_prime_vmap, + .gem_prime_vunmap = vbox_gem_prime_vunmap, +#endif +}; + +static int __init vbox_init(void) +{ + printk("vboxvideo: loading version " VBOX_VERSION_STRING " r" __stringify(VBOX_SVN_REV) "\n"); + if (VBOX_VIDEO_NOMODESET()) + { + printk("vboxvideo: kernel is running with *nomodeset* parameter,\n"); + printk("vboxvideo: please consider either to remove it or load driver\n"); + printk("vboxvideo: with parameter modeset=1, unloading\n"); + return -EINVAL; + } + + if (vbox_modeset == 0) + { + printk("vboxvideo: driver loaded with modeset=0 parameter, unloading\n"); + return -EINVAL; + } + +#if RTLNX_VER_MIN(3,18,0) || RTLNX_RHEL_MAJ_PREREQ(7,3) + return pci_register_driver(&vbox_pci_driver); +#else + return drm_pci_init(&driver, &vbox_pci_driver); +#endif +} + +static void __exit vbox_exit(void) +{ +#if RTLNX_VER_MIN(3,18,0) || RTLNX_RHEL_MAJ_PREREQ(7,3) + pci_unregister_driver(&vbox_pci_driver); +#else + drm_pci_exit(&driver, &vbox_pci_driver); +#endif +} + +module_init(vbox_init); +module_exit(vbox_exit); + +MODULE_AUTHOR(DRIVER_AUTHOR); +MODULE_DESCRIPTION(DRIVER_DESC); +MODULE_LICENSE("GPL and additional rights"); +#ifdef MODULE_VERSION +MODULE_VERSION(VBOX_VERSION_STRING " r" __stringify(VBOX_SVN_REV)); +#endif diff --git a/src/VBox/Additions/linux/drm/vbox_drv.h b/src/VBox/Additions/linux/drm/vbox_drv.h new file mode 100644 index 00000000..8eb9f83e --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_drv.h @@ -0,0 +1,557 @@ +/* $Id: vbox_drv.h $ */ +/** @file + * VirtualBox Additions Linux kernel video driver + */ + +/* + * Copyright (C) 2013-2023 Oracle and/or its affiliates. + * This file is based on ast_drv.h + * Copyright 2012 Red Hat Inc. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ + +#ifndef GA_INCLUDED_SRC_linux_drm_vbox_drv_h +#define GA_INCLUDED_SRC_linux_drm_vbox_drv_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <linux/version.h> + +/* iprt/linux/version.h copy - start */ +/** @def RTLNX_VER_MIN + * Evaluates to true if the linux kernel version is equal or higher to the + * one specfied. */ +#define RTLNX_VER_MIN(a_Major, a_Minor, a_Patch) \ + (LINUX_VERSION_CODE >= KERNEL_VERSION(a_Major, a_Minor, a_Patch)) + +/** @def RTLNX_VER_MAX + * Evaluates to true if the linux kernel version is less to the one specfied + * (exclusive). */ +#define RTLNX_VER_MAX(a_Major, a_Minor, a_Patch) \ + (LINUX_VERSION_CODE < KERNEL_VERSION(a_Major, a_Minor, a_Patch)) + +/** @def RTLNX_VER_RANGE + * Evaluates to true if the linux kernel version is equal or higher to the given + * minimum version and less (but not equal) to the maximum version (exclusive). */ +#define RTLNX_VER_RANGE(a_MajorMin, a_MinorMin, a_PatchMin, a_MajorMax, a_MinorMax, a_PatchMax) \ + ( LINUX_VERSION_CODE >= KERNEL_VERSION(a_MajorMin, a_MinorMin, a_PatchMin) \ + && LINUX_VERSION_CODE < KERNEL_VERSION(a_MajorMax, a_MinorMax, a_PatchMax) ) + + +/** @def RTLNX_RHEL_MIN + * Require a minium RedHat release. + * @param a_iMajor The major release number (RHEL_MAJOR). + * @param a_iMinor The minor release number (RHEL_MINOR). + * @sa RTLNX_RHEL_MAX, RTLNX_RHEL_RANGE, RTLNX_RHEL_MAJ_PREREQ + */ +#if defined(RHEL_MAJOR) && defined(RHEL_MINOR) +# define RTLNX_RHEL_MIN(a_iMajor, a_iMinor) \ + ((RHEL_MAJOR) > (a_iMajor) || ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) >= (a_iMinor))) +#else +# define RTLNX_RHEL_MIN(a_iMajor, a_iMinor) (0) +#endif + +/** @def RTLNX_RHEL_MAX + * Require a maximum RedHat release, true for all RHEL versions below it. + * @param a_iMajor The major release number (RHEL_MAJOR). + * @param a_iMinor The minor release number (RHEL_MINOR). + * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_RANGE, RTLNX_RHEL_MAJ_PREREQ + */ +#if defined(RHEL_MAJOR) && defined(RHEL_MINOR) +# define RTLNX_RHEL_MAX(a_iMajor, a_iMinor) \ + ((RHEL_MAJOR) < (a_iMajor) || ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) < (a_iMinor))) +#else +# define RTLNX_RHEL_MAX(a_iMajor, a_iMinor) (0) +#endif + +/** @def RTLNX_RHEL_RANGE + * Check that it's a RedHat kernel in the given version range. + * The max version is exclusive, the minimum inclusive. + * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_MAX, RTLNX_RHEL_MAJ_PREREQ + */ +#if defined(RHEL_MAJOR) && defined(RHEL_MINOR) +# define RTLNX_RHEL_RANGE(a_iMajorMin, a_iMinorMin, a_iMajorMax, a_iMinorMax) \ + (RTLNX_RHEL_MIN(a_iMajorMin, a_iMinorMin) && RTLNX_RHEL_MAX(a_iMajorMax, a_iMinorMax)) +#else +# define RTLNX_RHEL_RANGE(a_iMajorMin, a_iMinorMin, a_iMajorMax, a_iMinorMax) (0) +#endif + +/** @def RTLNX_RHEL_MAJ_PREREQ + * Require a minimum minor release number for the given RedHat release. + * @param a_iMajor RHEL_MAJOR must _equal_ this. + * @param a_iMinor RHEL_MINOR must be greater or equal to this. + * @sa RTLNX_RHEL_MIN, RTLNX_RHEL_MAX + */ +#if defined(RHEL_MAJOR) && defined(RHEL_MINOR) +# define RTLNX_RHEL_MAJ_PREREQ(a_iMajor, a_iMinor) ((RHEL_MAJOR) == (a_iMajor) && (RHEL_MINOR) >= (a_iMinor)) +#else +# define RTLNX_RHEL_MAJ_PREREQ(a_iMajor, a_iMinor) (0) +#endif + + +/** @def RTLNX_SUSE_MAJ_PREREQ + * Require a minimum minor release number for the given SUSE release. + * @param a_iMajor CONFIG_SUSE_VERSION must _equal_ this. + * @param a_iMinor CONFIG_SUSE_PATCHLEVEL must be greater or equal to this. + */ +#if defined(CONFIG_SUSE_VERSION) && defined(CONFIG_SUSE_PATCHLEVEL) +# define RTLNX_SUSE_MAJ_PREREQ(a_iMajor, a_iMinor) ((CONFIG_SUSE_VERSION) == (a_iMajor) && (CONFIG_SUSE_PATCHLEVEL) >= (a_iMinor)) +#else +# define RTLNX_SUSE_MAJ_PREREQ(a_iMajor, a_iMinor) (0) +#endif +/* iprt/linux/version.h copy - end */ + +#if RTLNX_VER_MAX(4,5,0) +# include <linux/types.h> +# include <linux/spinlock_types.h> +#endif + +#include <linux/genalloc.h> +#include <linux/io.h> +#include <linux/string.h> +#include <linux/pci.h> + + +#if RTLNX_VER_MAX(3,14,0) || RTLNX_RHEL_MAJ_PREREQ(7,1) +#define U8_MAX ((u8)~0U) +#define S8_MAX ((s8)(U8_MAX>>1)) +#define S8_MIN ((s8)(-S8_MAX - 1)) +#define U16_MAX ((u16)~0U) +#define S16_MAX ((s16)(U16_MAX>>1)) +#define S16_MIN ((s16)(-S16_MAX - 1)) +#define U32_MAX ((u32)~0U) +#define S32_MAX ((s32)(U32_MAX>>1)) +#define S32_MIN ((s32)(-S32_MAX - 1)) +#define U64_MAX ((u64)~0ULL) +#define S64_MAX ((s64)(U64_MAX>>1)) +#define S64_MIN ((s64)(-S64_MAX - 1)) +#endif + +#if RTLNX_VER_MIN(5,5,0) || RTLNX_RHEL_MIN(8,3) || RTLNX_SUSE_MAJ_PREREQ(15,3) +# include <drm/drm_file.h> +# include <drm/drm_drv.h> +# include <drm/drm_device.h> +# include <drm/drm_ioctl.h> +# include <drm/drm_fourcc.h> +# if RTLNX_VER_MAX(5,15,0) && !RTLNX_RHEL_RANGE(8,7, 8,99) && !RTLNX_RHEL_MAJ_PREREQ(9,1) && !RTLNX_SUSE_MAJ_PREREQ(15,5) +# include <drm/drm_irq.h> +# endif +# include <drm/drm_vblank.h> +#else /* < 5.5.0 || RHEL < 8.3 || SLES < 15-SP3 */ +# include <drm/drmP.h> +#endif +#if RTLNX_VER_MIN(4,11,0) || RTLNX_RHEL_MAJ_PREREQ(7,5) +# include <drm/drm_encoder.h> +#endif +#include <drm/drm_fb_helper.h> +#if RTLNX_VER_MIN(3,18,0) || RTLNX_RHEL_MAJ_PREREQ(7,2) +# include <drm/drm_gem.h> +#endif + +#if RTLNX_VER_MIN(6,3,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) +# include <drm/ttm/ttm_bo.h> +#else +# include <drm/ttm/ttm_bo_api.h> +# include <drm/ttm/ttm_bo_driver.h> +#endif +#include <drm/ttm/ttm_placement.h> +#if RTLNX_VER_MAX(5,13,0) && !RTLNX_RHEL_RANGE(8,6, 8,99) +# include <drm/ttm/ttm_memory.h> +#endif +#if RTLNX_VER_MAX(5,12,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) +# include <drm/ttm/ttm_module.h> +#endif +#if RTLNX_VER_MIN(5,10,0) +# include <drm/ttm/ttm_resource.h> +#endif + +#if RTLNX_VER_MIN(6,0,0) || RTLNX_RHEL_RANGE(8,8, 8,99) || RTLNX_RHEL_MAJ_PREREQ(9,2) || RTLNX_SUSE_MAJ_PREREQ(15,5) +# include <drm/drm_framebuffer.h> +#endif + +#include "vboxvideo_guest.h" +#include "vboxvideo_vbe.h" +#include "hgsmi_ch_setup.h" + +#include "product-generated.h" + +#if RTLNX_VER_MAX(4,12,0) && !RTLNX_RHEL_MAJ_PREREQ(7,5) +static inline void drm_gem_object_put_unlocked(struct drm_gem_object *obj) +{ + drm_gem_object_unreference_unlocked(obj); +} +#endif + +#if RTLNX_VER_MAX(4,12,0) && !RTLNX_RHEL_MAJ_PREREQ(7,5) +static inline void drm_gem_object_put(struct drm_gem_object *obj) +{ + drm_gem_object_unreference(obj); +} +#endif + +#define DRIVER_AUTHOR VBOX_VENDOR + +#define DRIVER_NAME "vboxvideo" +#define DRIVER_DESC VBOX_PRODUCT " Graphics Card" +#define DRIVER_DATE "20130823" + +#define DRIVER_MAJOR 1 +#define DRIVER_MINOR 0 +#define DRIVER_PATCHLEVEL 0 + +#define VBOX_MAX_CURSOR_WIDTH 64 +#define VBOX_MAX_CURSOR_HEIGHT 64 +#define CURSOR_PIXEL_COUNT (VBOX_MAX_CURSOR_WIDTH * VBOX_MAX_CURSOR_HEIGHT) +#define CURSOR_DATA_SIZE (CURSOR_PIXEL_COUNT * 4 + CURSOR_PIXEL_COUNT / 8) + +#define VBOX_MAX_SCREENS 32 + +#define GUEST_HEAP_OFFSET(vbox) ((vbox)->full_vram_size - \ + VBVA_ADAPTER_INFORMATION_SIZE) +#define GUEST_HEAP_SIZE VBVA_ADAPTER_INFORMATION_SIZE +#define GUEST_HEAP_USABLE_SIZE (VBVA_ADAPTER_INFORMATION_SIZE - \ + sizeof(HGSMIHOSTFLAGS)) +#define HOST_FLAGS_OFFSET GUEST_HEAP_USABLE_SIZE + +/** Field "pdev" of struct drm_device was removed in 5.14. This macro + * transparently handles this change. Input argument is a pointer + * to struct drm_device. */ +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) +# define VBOX_DRM_TO_PCI_DEV(_dev) to_pci_dev(_dev->dev) +#else +# define VBOX_DRM_TO_PCI_DEV(_dev) _dev->pdev +#endif + +/** Field "num_pages" of struct ttm_resource was renamed to "size" in 6.2 and + * now represents number of bytes. This macro handles this change. Input + * argument is a pointer to struct ttm_resource. */ +#if RTLNX_VER_MIN(6,2,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) +# define VBOX_BO_RESOURCE_NUM_PAGES(_resource) PFN_UP(_resource->size) +#else +# define VBOX_BO_RESOURCE_NUM_PAGES(_resource) _resource->num_pages +#endif + +/** How frequently we refresh if the guest is not providing dirty rectangles. */ +#define VBOX_REFRESH_PERIOD (HZ / 2) + +#if RTLNX_VER_MAX(3,13,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2) +static inline void *devm_kcalloc(struct device *dev, size_t n, size_t size, + gfp_t flags) +{ + return devm_kzalloc(dev, n * size, flags); +} +#endif + +struct vbox_fbdev; + +struct vbox_private { + struct drm_device *dev; + + u8 __iomem *guest_heap; + u8 __iomem *vbva_buffers; + struct gen_pool *guest_pool; + struct VBVABUFFERCONTEXT *vbva_info; + bool any_pitch; + u32 num_crtcs; + /** Amount of available VRAM, including space used for buffers. */ + u32 full_vram_size; + /** Amount of available VRAM, not including space used for buffers. */ + u32 available_vram_size; + /** Array of structures for receiving mode hints. */ + VBVAMODEHINT *last_mode_hints; + + struct vbox_fbdev *fbdev; + + int fb_mtrr; + + struct { +#if RTLNX_VER_MAX(5,0,0) && !RTLNX_RHEL_MAJ_PREREQ(7,7) && !RTLNX_RHEL_MAJ_PREREQ(8,1) + struct drm_global_reference mem_global_ref; + struct ttm_bo_global_ref bo_global_ref; +#endif +#if RTLNX_VER_MIN(5,13,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + struct ttm_device bdev; +#else + struct ttm_bo_device bdev; +#endif + bool mm_initialised; + } ttm; + + struct mutex hw_mutex; /* protects modeset and accel/vbva accesses */ + /** + * We decide whether or not user-space supports display hot-plug + * depending on whether they react to a hot-plug event after the initial + * mode query. + */ + bool initial_mode_queried; + /** + * Do we know that the current user can send us dirty rectangle information? + * If not, do periodic refreshes until we do know. + */ + bool need_refresh_timer; + /** + * As long as the user is not sending us dirty rectangle information, + * refresh the whole screen at regular intervals. + */ + struct delayed_work refresh_work; + struct work_struct hotplug_work; + u32 input_mapping_width; + u32 input_mapping_height; + /** + * Is user-space using an X.Org-style layout of one large frame-buffer + * encompassing all screen ones or is the fbdev console active? + */ + bool single_framebuffer; + u32 cursor_width; + u32 cursor_height; + u32 cursor_hot_x; + u32 cursor_hot_y; + size_t cursor_data_size; + u8 cursor_data[CURSOR_DATA_SIZE]; +}; + +#undef CURSOR_PIXEL_COUNT +#undef CURSOR_DATA_SIZE + +#if RTLNX_VER_MIN(4,19,0) || RTLNX_RHEL_MIN(8,3) +int vbox_driver_load(struct drm_device *dev); +#else +int vbox_driver_load(struct drm_device *dev, unsigned long flags); +#endif +#if RTLNX_VER_MIN(4,11,0) || RTLNX_RHEL_MAJ_PREREQ(7,5) +void vbox_driver_unload(struct drm_device *dev); +#else +int vbox_driver_unload(struct drm_device *dev); +#endif +void vbox_driver_lastclose(struct drm_device *dev); + +struct vbox_gem_object; + +#ifndef VGA_PORT_HGSMI_HOST +#define VGA_PORT_HGSMI_HOST 0x3b0 +#define VGA_PORT_HGSMI_GUEST 0x3d0 +#endif + +struct vbox_connector { + struct drm_connector base; + char name[32]; + struct vbox_crtc *vbox_crtc; + struct { + u32 width; + u32 height; + bool disconnected; + } mode_hint; +}; + +struct vbox_crtc { + struct drm_crtc base; + bool blanked; + bool disconnected; + unsigned int crtc_id; + u32 fb_offset; + bool cursor_enabled; + u32 x_hint; + u32 y_hint; +}; + +struct vbox_encoder { + struct drm_encoder base; +}; + +struct vbox_framebuffer { + struct drm_framebuffer base; + struct drm_gem_object *obj; +}; + +struct vbox_fbdev { + struct drm_fb_helper helper; + struct vbox_framebuffer afb; + int size; + struct ttm_bo_kmap_obj mapping; + int x1, y1, x2, y2; /* dirty rect */ + spinlock_t dirty_lock; +}; + +#define to_vbox_crtc(x) container_of(x, struct vbox_crtc, base) +#define to_vbox_connector(x) container_of(x, struct vbox_connector, base) +#define to_vbox_encoder(x) container_of(x, struct vbox_encoder, base) +#define to_vbox_framebuffer(x) container_of(x, struct vbox_framebuffer, base) + +int vbox_mode_init(struct drm_device *dev); +void vbox_mode_fini(struct drm_device *dev); + +#if RTLNX_VER_MAX(3,3,0) +# define DRM_MODE_FB_CMD drm_mode_fb_cmd +#else +# define DRM_MODE_FB_CMD drm_mode_fb_cmd2 +#endif + +#if RTLNX_VER_MAX(3,15,0) && !RTLNX_RHEL_MAJ_PREREQ(7,1) +# define CRTC_FB(crtc) ((crtc)->fb) +#else +# define CRTC_FB(crtc) ((crtc)->primary->fb) +#endif + +void vbox_enable_accel(struct vbox_private *vbox); +void vbox_disable_accel(struct vbox_private *vbox); +void vbox_report_caps(struct vbox_private *vbox); + +void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb, + struct drm_clip_rect *rects, + unsigned int num_rects); + +int vbox_framebuffer_init(struct drm_device *dev, + struct vbox_framebuffer *vbox_fb, +#if RTLNX_VER_MIN(4,5,0) || RTLNX_RHEL_MAJ_PREREQ(7,3) + const struct DRM_MODE_FB_CMD *mode_cmd, +#else + struct DRM_MODE_FB_CMD *mode_cmd, +#endif + struct drm_gem_object *obj); + +int vbox_fbdev_init(struct drm_device *dev); +void vbox_fbdev_fini(struct drm_device *dev); +void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr); + +struct vbox_bo { + struct ttm_buffer_object bo; + struct ttm_placement placement; + struct ttm_bo_kmap_obj kmap; + struct drm_gem_object gem; +#if RTLNX_VER_MAX(3,18,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2) + u32 placements[3]; +#else + struct ttm_place placements[3]; +#endif + int pin_count; +}; + +#define gem_to_vbox_bo(gobj) container_of((gobj), struct vbox_bo, gem) + +static inline struct vbox_bo *vbox_bo(struct ttm_buffer_object *bo) +{ + return container_of(bo, struct vbox_bo, bo); +} + +#define to_vbox_obj(x) container_of(x, struct vbox_gem_object, base) + +int vbox_dumb_create(struct drm_file *file, + struct drm_device *dev, + struct drm_mode_create_dumb *args); +#if RTLNX_VER_MAX(3,12,0) && !RTLNX_RHEL_MAJ_PREREQ(7,3) +int vbox_dumb_destroy(struct drm_file *file, + struct drm_device *dev, u32 handle); +#endif + +void vbox_gem_free_object(struct drm_gem_object *obj); +int vbox_dumb_mmap_offset(struct drm_file *file, + struct drm_device *dev, + u32 handle, u64 *offset); + +#define DRM_FILE_PAGE_OFFSET (0x10000000ULL >> PAGE_SHIFT) + +int vbox_mm_init(struct vbox_private *vbox); +void vbox_mm_fini(struct vbox_private *vbox); + +int vbox_bo_create(struct drm_device *dev, int size, int align, + u32 flags, struct vbox_bo **pvboxbo); + +int vbox_gem_create(struct drm_device *dev, + u32 size, bool iskernel, struct drm_gem_object **obj); + +#define VBOX_MEM_TYPE_VRAM 0x1 +#define VBOX_MEM_TYPE_SYSTEM 0x2 + +int vbox_bo_pin(struct vbox_bo *bo, u32 mem_type, u64 *gpu_addr); +int vbox_bo_unpin(struct vbox_bo *bo); + +static inline int vbox_bo_reserve(struct vbox_bo *bo, bool no_wait) +{ + int ret; + +#if RTLNX_VER_MIN(4,7,0) || RTLNX_RHEL_MAJ_PREREQ(7,4) + ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL); +#else + ret = ttm_bo_reserve(&bo->bo, true, no_wait, false, 0); +#endif + if (ret) { + if (ret != -ERESTARTSYS && ret != -EBUSY) + DRM_ERROR("reserve failed %p\n", bo); + return ret; + } + return 0; +} + +static inline void vbox_bo_unreserve(struct vbox_bo *bo) +{ + ttm_bo_unreserve(&bo->bo); +} + +void vbox_ttm_placement(struct vbox_bo *bo, u32 mem_type); +int vbox_bo_push_sysram(struct vbox_bo *bo); +int vbox_mmap(struct file *filp, struct vm_area_struct *vma); + +/* vbox_prime.c */ +int vbox_gem_prime_pin(struct drm_gem_object *obj); +void vbox_gem_prime_unpin(struct drm_gem_object *obj); +struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj); +#if RTLNX_VER_MAX(3,18,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2) +struct drm_gem_object *vbox_gem_prime_import_sg_table( + struct drm_device *dev, size_t size, struct sg_table *table); +#else +struct drm_gem_object *vbox_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *table); +#endif +void *vbox_gem_prime_vmap(struct drm_gem_object *obj); +void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr); +#if RTLNX_VER_MAX(6,6,0) && !RTLNX_RHEL_RANGE(9,4, 9,99) +int vbox_gem_prime_mmap(struct drm_gem_object *obj, + struct vm_area_struct *area); +#endif + +/* vbox_irq.c */ +int vbox_irq_init(struct vbox_private *vbox); +void vbox_irq_fini(struct vbox_private *vbox); +void vbox_report_hotplug(struct vbox_private *vbox); +#if RTLNX_VER_MAX(5,15,0) && !RTLNX_RHEL_MAJ_PREREQ(9,1) && !RTLNX_SUSE_MAJ_PREREQ(15,5) +irqreturn_t vbox_irq_handler(int irq, void *arg); +#endif + +/* vbox_hgsmi.c */ +void *hgsmi_buffer_alloc(struct gen_pool *guest_pool, size_t size, + u8 channel, u16 channel_info); +void hgsmi_buffer_free(struct gen_pool *guest_pool, void *buf); +int hgsmi_buffer_submit(struct gen_pool *guest_pool, void *buf); + +static inline void vbox_write_ioport(u16 index, u16 data) +{ + outw(index, VBE_DISPI_IOPORT_INDEX); + outw(data, VBE_DISPI_IOPORT_DATA); +} + +#endif /* !GA_INCLUDED_SRC_linux_drm_vbox_drv_h */ diff --git a/src/VBox/Additions/linux/drm/vbox_fb.c b/src/VBox/Additions/linux/drm/vbox_fb.c new file mode 100644 index 00000000..37cf7ef1 --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_fb.c @@ -0,0 +1,541 @@ +/* $Id: vbox_fb.c $ */ +/** @file + * VirtualBox Additions Linux kernel video driver + */ + +/* + * Copyright (C) 2013-2023 Oracle and/or its affiliates. + * This file is based on ast_fb.c + * Copyright 2012 Red Hat Inc. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com, + */ +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/tty.h> +#include <linux/sysrq.h> +#include <linux/delay.h> +#include <linux/fb.h> +#include <linux/init.h> + +#include "vbox_drv.h" + +#include <drm/drm_crtc.h> +#include <drm/drm_fb_helper.h> +#include <drm/drm_crtc_helper.h> + +#include <VBoxVideo.h> + +#if RTLNX_VER_MIN(6,2,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) +# define VBOX_FBDEV_INFO(_helper) _helper.info +#else +# define VBOX_FBDEV_INFO(_helper) _helper.fbdev +#endif + +#if RTLNX_VER_MAX(4,7,0) && !RTLNX_RHEL_MAJ_PREREQ(7,4) +/** + * Tell the host about dirty rectangles to update. + */ +static void vbox_dirty_update(struct vbox_fbdev *fbdev, + int x, int y, int width, int height) +{ + struct drm_gem_object *obj; + struct vbox_bo *bo; + int ret = -EBUSY; + bool store_for_later = false; + int x2, y2; + unsigned long flags; + struct drm_clip_rect rect; + + obj = fbdev->afb.obj; + bo = gem_to_vbox_bo(obj); + + /* + * try and reserve the BO, if we fail with busy + * then the BO is being moved and we should + * store up the damage until later. + */ + if (drm_can_sleep()) + ret = vbox_bo_reserve(bo, true); + if (ret) { + if (ret != -EBUSY) + return; + + store_for_later = true; + } + + x2 = x + width - 1; + y2 = y + height - 1; + spin_lock_irqsave(&fbdev->dirty_lock, flags); + + if (fbdev->y1 < y) + y = fbdev->y1; + if (fbdev->y2 > y2) + y2 = fbdev->y2; + if (fbdev->x1 < x) + x = fbdev->x1; + if (fbdev->x2 > x2) + x2 = fbdev->x2; + + if (store_for_later) { + fbdev->x1 = x; + fbdev->x2 = x2; + fbdev->y1 = y; + fbdev->y2 = y2; + spin_unlock_irqrestore(&fbdev->dirty_lock, flags); + return; + } + + fbdev->x1 = INT_MAX; + fbdev->y1 = INT_MAX; + fbdev->x2 = 0; + fbdev->y2 = 0; + + spin_unlock_irqrestore(&fbdev->dirty_lock, flags); + + /* + * Not sure why the original code subtracted 1 here, but I will keep + * it that way to avoid unnecessary differences. + */ + rect.x1 = x; + rect.x2 = x2 + 1; + rect.y1 = y; + rect.y2 = y2 + 1; + vbox_framebuffer_dirty_rectangles(&fbdev->afb.base, &rect, 1); + + vbox_bo_unreserve(bo); +} +#endif /* RTLNX_VER_MAX(4,7,0) && !RTLNX_RHEL_MAJ_PREREQ(7,4) */ + +#ifdef CONFIG_FB_DEFERRED_IO +# if RTLNX_VER_MAX(4,7,0) && !RTLNX_RHEL_MAJ_PREREQ(7,4) +static void drm_fb_helper_deferred_io(struct fb_info *info, struct list_head *pagelist) +{ + struct vbox_fbdev *fbdev = info->par; + unsigned long start, end, min, max; + struct page *page; + int y1, y2; + + min = ULONG_MAX; + max = 0; + list_for_each_entry(page, pagelist, lru) { + start = page->index << PAGE_SHIFT; + end = start + PAGE_SIZE - 1; + min = min(min, start); + max = max(max, end); + } + + if (min < max) { + y1 = min / info->fix.line_length; + y2 = (max / info->fix.line_length) + 1; + DRM_INFO("%s: Calling dirty update: 0, %d, %d, %d\n", + __func__, y1, info->var.xres, y2 - y1 - 1); + vbox_dirty_update(fbdev, 0, y1, info->var.xres, y2 - y1 - 1); + } +} +# endif + +static struct fb_deferred_io vbox_defio = { + .delay = HZ / 30, + .deferred_io = drm_fb_helper_deferred_io, +}; +#endif /* CONFIG_FB_DEFERRED_IO */ + +#if RTLNX_VER_MAX(4,3,0) && !RTLNX_RHEL_MAJ_PREREQ(7,3) +static void drm_fb_helper_sys_fillrect(struct fb_info *info, const struct fb_fillrect *rect) +{ + struct vbox_fbdev *fbdev = info->par; + + sys_fillrect(info, rect); + vbox_dirty_update(fbdev, rect->dx, rect->dy, rect->width, rect->height); +} + +static void drm_fb_helper_sys_copyarea(struct fb_info *info, const struct fb_copyarea *area) +{ + struct vbox_fbdev *fbdev = info->par; + + sys_copyarea(info, area); + vbox_dirty_update(fbdev, area->dx, area->dy, area->width, area->height); +} + +static void drm_fb_helper_sys_imageblit(struct fb_info *info, const struct fb_image *image) +{ + struct vbox_fbdev *fbdev = info->par; + + sys_imageblit(info, image); + vbox_dirty_update(fbdev, image->dx, image->dy, image->width, + image->height); +} +#endif /* RTLNX_VER_MAX(4,3,0) && !RTLNX_RHEL_MAJ_PREREQ(7,3) */ + +static struct fb_ops vboxfb_ops = { + .owner = THIS_MODULE, + .fb_check_var = drm_fb_helper_check_var, + .fb_set_par = drm_fb_helper_set_par, +#if RTLNX_VER_MIN(6,5,0) || RTLNX_RHEL_RANGE(9,4, 9,99) + .fb_read = fb_sys_read, + .fb_write = fb_sys_write, + .fb_fillrect = sys_fillrect, + .fb_copyarea = sys_copyarea, + .fb_imageblit = sys_imageblit, + .fb_mmap = NULL, +#else + .fb_fillrect = drm_fb_helper_sys_fillrect, + .fb_copyarea = drm_fb_helper_sys_copyarea, + .fb_imageblit = drm_fb_helper_sys_imageblit, +#endif + .fb_pan_display = drm_fb_helper_pan_display, + .fb_blank = drm_fb_helper_blank, + .fb_setcmap = drm_fb_helper_setcmap, + .fb_debug_enter = drm_fb_helper_debug_enter, + .fb_debug_leave = drm_fb_helper_debug_leave, +}; + +static int vboxfb_create_object(struct vbox_fbdev *fbdev, + struct DRM_MODE_FB_CMD *mode_cmd, + struct drm_gem_object **gobj_p) +{ + struct drm_device *dev = fbdev->helper.dev; + u32 size; + struct drm_gem_object *gobj; +#if RTLNX_VER_MAX(3,3,0) + u32 pitch = mode_cmd->pitch; +#else + u32 pitch = mode_cmd->pitches[0]; +#endif + + int ret; + + size = pitch * mode_cmd->height; + ret = vbox_gem_create(dev, size, true, &gobj); + if (ret) + return ret; + + *gobj_p = gobj; + + return 0; +} + +#if RTLNX_VER_MAX(4,3,0) && !RTLNX_RHEL_MAJ_PREREQ(7,3) +static struct fb_info *drm_fb_helper_alloc_fbi(struct drm_fb_helper *helper) +{ + struct fb_info *info; + struct vbox_fbdev *fbdev = + container_of(helper, struct vbox_fbdev, helper); + struct drm_device *dev = fbdev->helper.dev; + struct device *device = &dev->pdev->dev; + + info = framebuffer_alloc(0, device); + if (!info) + return ERR_PTR(-ENOMEM); + fbdev->helper.fbdev = info; + + if (fb_alloc_cmap(&info->cmap, 256, 0)) + return ERR_PTR(-ENOMEM); + + info->apertures = alloc_apertures(1); + if (!info->apertures) + return ERR_PTR(-ENOMEM); + + return info; +} +#endif + +static int vboxfb_create(struct drm_fb_helper *helper, + struct drm_fb_helper_surface_size *sizes) +{ + struct vbox_fbdev *fbdev = + container_of(helper, struct vbox_fbdev, helper); + struct drm_device *dev = fbdev->helper.dev; + struct DRM_MODE_FB_CMD mode_cmd; + struct drm_framebuffer *fb; + struct fb_info *info; + struct drm_gem_object *gobj; + struct vbox_bo *bo; + int size, ret; + u32 pitch; + + mode_cmd.width = sizes->surface_width; + mode_cmd.height = sizes->surface_height; + pitch = mode_cmd.width * ((sizes->surface_bpp + 7) / 8); +#if RTLNX_VER_MAX(3,3,0) + mode_cmd.bpp = sizes->surface_bpp; + mode_cmd.depth = sizes->surface_depth; + mode_cmd.pitch = pitch; +#else + mode_cmd.pixel_format = drm_mode_legacy_fb_format(sizes->surface_bpp, + sizes->surface_depth); + mode_cmd.pitches[0] = pitch; +#endif + + size = pitch * mode_cmd.height; + + ret = vboxfb_create_object(fbdev, &mode_cmd, &gobj); + if (ret) { + DRM_ERROR("failed to create fbcon backing object %d\n", ret); + return ret; + } + + ret = vbox_framebuffer_init(dev, &fbdev->afb, &mode_cmd, gobj); + if (ret) + return ret; + + bo = gem_to_vbox_bo(gobj); + + ret = vbox_bo_reserve(bo, false); + if (ret) + return ret; + + ret = vbox_bo_pin(bo, VBOX_MEM_TYPE_VRAM, NULL); + if (ret) { + vbox_bo_unreserve(bo); + return ret; + } + +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + ret = ttm_bo_kmap(&bo->bo, 0, VBOX_BO_RESOURCE_NUM_PAGES(bo->bo.resource), &bo->kmap); +#elif RTLNX_VER_MIN(5,12,0) || RTLNX_RHEL_MAJ_PREREQ(8,5) + ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.mem.num_pages, &bo->kmap); +#else + ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &bo->kmap); +#endif + + vbox_bo_unreserve(bo); + if (ret) { + DRM_ERROR("failed to kmap fbcon\n"); + return ret; + } + +#if RTLNX_VER_MIN(6,2,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) + info = drm_fb_helper_alloc_info(helper); +#else + info = drm_fb_helper_alloc_fbi(helper); +#endif + if (IS_ERR(info)) + return -PTR_ERR(info); + + info->par = fbdev; + + fbdev->size = size; + + fb = &fbdev->afb.base; + fbdev->helper.fb = fb; + + strcpy(info->fix.id, "vboxdrmfb"); + + /* + * The last flag forces a mode set on VT switches even if the kernel + * does not think it is needed. + */ +#if RTLNX_VER_MIN(6,6,0) + info->flags = FBINFO_MISC_ALWAYS_SETPAR; +#else + info->flags = FBINFO_DEFAULT | FBINFO_MISC_ALWAYS_SETPAR; +#endif + info->fbops = &vboxfb_ops; + +#if RTLNX_VER_MAX(6,3,0) && !RTLNX_RHEL_RANGE(8,9, 8,99) && !RTLNX_RHEL_RANGE(9,3, 9,99) + /* + * This seems to be done for safety checking that the framebuffer + * is not registered twice by different drivers. + */ + info->apertures->ranges[0].base = pci_resource_start(VBOX_DRM_TO_PCI_DEV(dev), 0); + info->apertures->ranges[0].size = pci_resource_len(VBOX_DRM_TO_PCI_DEV(dev), 0); +#endif + +#if RTLNX_VER_MIN(5,2,0) || RTLNX_RHEL_MAJ_PREREQ(8,2) + /* + * The corresponding 5.2-rc1 Linux DRM kernel changes have been + * also backported to older RedHat based 4.18.0 Linux kernels. + */ + drm_fb_helper_fill_info(info, &fbdev->helper, sizes); +#elif RTLNX_VER_MIN(4,11,0) || RTLNX_RHEL_MAJ_PREREQ(7, 5) + drm_fb_helper_fill_fix(info, fb->pitches[0], fb->format->depth); +#else + drm_fb_helper_fill_fix(info, fb->pitches[0], fb->depth); +#endif +#if RTLNX_VER_MAX(5,2,0) && !RTLNX_RHEL_MAJ_PREREQ(8,2) + drm_fb_helper_fill_var(info, &fbdev->helper, sizes->fb_width, + sizes->fb_height); +#endif + +#if RTLNX_VER_MIN(6,5,0) + info->screen_buffer = (char *)bo->kmap.virtual; + info->fix.smem_start = page_to_phys(vmalloc_to_page(bo->kmap.virtual)); +#endif + info->screen_base = (char __iomem *)bo->kmap.virtual; + info->screen_size = size; + +#ifdef CONFIG_FB_DEFERRED_IO +# if RTLNX_VER_MIN(5,19,0) || RTLNX_RHEL_RANGE(8,8, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) || RTLNX_SUSE_MAJ_PREREQ(15,5) + info->fix.smem_len = info->screen_size; +# endif + info->fbdefio = &vbox_defio; +# if RTLNX_VER_MIN(5,19,0) + ret = fb_deferred_io_init(info); + if (ret) + { + DRM_ERROR("failed to initialize deferred io: %d\n", ret); + return ret; + } +# endif + fb_deferred_io_init(info); +#endif + + info->pixmap.flags = FB_PIXMAP_SYSTEM; + + DRM_DEBUG_KMS("allocated %dx%d\n", fb->width, fb->height); + + return 0; +} + +static struct drm_fb_helper_funcs vbox_fb_helper_funcs = { + .fb_probe = vboxfb_create, +}; + +#if RTLNX_VER_MAX(4,3,0) && !RTLNX_RHEL_MAJ_PREREQ(7,3) +static void drm_fb_helper_unregister_fbi(struct drm_fb_helper *fb_helper) +{ + if (fb_helper && fb_helper->fbdev) + unregister_framebuffer(fb_helper->fbdev); +} +#endif + +void vbox_fbdev_fini(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + struct vbox_fbdev *fbdev = vbox->fbdev; + struct vbox_framebuffer *afb = &fbdev->afb; + +#ifdef CONFIG_FB_DEFERRED_IO + if (VBOX_FBDEV_INFO(fbdev->helper) && VBOX_FBDEV_INFO(fbdev->helper)->fbdefio) + fb_deferred_io_cleanup(VBOX_FBDEV_INFO(fbdev->helper)); +#endif + +#if RTLNX_VER_MIN(6,2,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) + drm_fb_helper_unregister_info(&fbdev->helper); +#else + drm_fb_helper_unregister_fbi(&fbdev->helper); +#endif + + if (afb->obj) { + struct vbox_bo *bo = gem_to_vbox_bo(afb->obj); + + if (!vbox_bo_reserve(bo, false)) { + if (bo->kmap.virtual) + ttm_bo_kunmap(&bo->kmap); + /* + * QXL does this, but is it really needed before + * freeing? + */ + if (bo->pin_count) + vbox_bo_unpin(bo); + vbox_bo_unreserve(bo); + } +#if RTLNX_VER_MIN(5,9,0) || RTLNX_RHEL_MIN(8,4) || RTLNX_SUSE_MAJ_PREREQ(15,3) + drm_gem_object_put(afb->obj); +#else + drm_gem_object_put_unlocked(afb->obj); +#endif + afb->obj = NULL; + } + drm_fb_helper_fini(&fbdev->helper); + +#if RTLNX_VER_MIN(3,9,0) + drm_framebuffer_unregister_private(&afb->base); +#endif + drm_framebuffer_cleanup(&afb->base); +} + +int vbox_fbdev_init(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + struct vbox_fbdev *fbdev; + int ret = 0; + + fbdev = devm_kzalloc(dev->dev, sizeof(*fbdev), GFP_KERNEL); + if (!fbdev) + return -ENOMEM; + + vbox->fbdev = fbdev; + spin_lock_init(&fbdev->dirty_lock); + +#if RTLNX_VER_MIN(6,3,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) + drm_fb_helper_prepare(dev, &fbdev->helper, 32, &vbox_fb_helper_funcs); +#elif RTLNX_VER_MIN(3,17,0) || RTLNX_RHEL_MIN(7,2) + drm_fb_helper_prepare(dev, &fbdev->helper, &vbox_fb_helper_funcs); +#else + fbdev->helper.funcs = &vbox_fb_helper_funcs; +#endif + +#if RTLNX_VER_MIN(5,7,0) || RTLNX_RHEL_MIN(8,4) || RTLNX_SUSE_MAJ_PREREQ(15,3) + ret = drm_fb_helper_init(dev, &fbdev->helper); +#elif RTLNX_VER_MIN(4,11,0) || RTLNX_RHEL_MAJ_PREREQ(7,5) + ret = drm_fb_helper_init(dev, &fbdev->helper, vbox->num_crtcs); +#else /* < 4.11.0 */ + ret = + drm_fb_helper_init(dev, &fbdev->helper, vbox->num_crtcs, + vbox->num_crtcs); +#endif + if (ret) + return ret; + +#if RTLNX_VER_MAX(5,7,0) && !RTLNX_RHEL_MAJ_PREREQ(8,4) && !RTLNX_SUSE_MAJ_PREREQ(15,3) + ret = drm_fb_helper_single_add_all_connectors(&fbdev->helper); + if (ret) + goto err_fini; +#endif + + /* disable all the possible outputs/crtcs before entering KMS mode */ + drm_helper_disable_unused_functions(dev); + +#if RTLNX_VER_MIN(6,3,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) + ret = drm_fb_helper_initial_config(&fbdev->helper); +#else + ret = drm_fb_helper_initial_config(&fbdev->helper, 32); +#endif + if (ret) + goto err_fini; + + return 0; + +err_fini: + drm_fb_helper_fini(&fbdev->helper); + return ret; +} + +void vbox_fbdev_set_base(struct vbox_private *vbox, unsigned long gpu_addr) +{ + struct fb_info *fbdev = VBOX_FBDEV_INFO(vbox->fbdev->helper); + +#if RTLNX_VER_MIN(6,3,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) + fbdev->fix.smem_start = pci_resource_start(VBOX_DRM_TO_PCI_DEV(vbox->fbdev->helper.dev), 0) + gpu_addr; +#else + fbdev->fix.smem_start = fbdev->apertures->ranges[0].base + gpu_addr; +#endif + fbdev->fix.smem_len = vbox->available_vram_size - gpu_addr; +} diff --git a/src/VBox/Additions/linux/drm/vbox_hgsmi.c b/src/VBox/Additions/linux/drm/vbox_hgsmi.c new file mode 100644 index 00000000..de47f89d --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_hgsmi.c @@ -0,0 +1,130 @@ +/** @file + * VirtualBox Additions Linux kernel video driver hgsmi interface code + */ + +/* + * Contributed by Hans de Goede <hdegoede@redhat.com> + * + * Copyright (C) 2017-2023 Oracle and/or its affiliates. + * + * 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 <HGSMIBase.h> +#include <VBoxVideoVBE.h> + +/* One-at-a-Time Hash from http://www.burtleburtle.net/bob/hash/doobs.html */ +static u32 hgsmi_hash_process(u32 hash, const u8 *data, int size) +{ + while (size--) { + hash += *data++; + hash += (hash << 10); + hash ^= (hash >> 6); + } + + return hash; +} + +static u32 hgsmi_hash_end(u32 hash) +{ + hash += (hash << 3); + hash ^= (hash >> 11); + hash += (hash << 15); + + return hash; +} + +/* Not really a checksum but that is the naming used in all vbox code */ +static u32 hgsmi_checksum(u32 offset, + const HGSMIBUFFERHEADER *header, + const HGSMIBUFFERTAIL *tail) +{ + u32 checksum; + + checksum = hgsmi_hash_process(0, (u8 *)&offset, sizeof(offset)); + checksum = hgsmi_hash_process(checksum, (u8 *)header, sizeof(*header)); + /* 4 -> Do not checksum the checksum itself */ + checksum = hgsmi_hash_process(checksum, (u8 *)tail, 4); + + return hgsmi_hash_end(checksum); +} + +#if RTLNX_VER_MAX(3,13,0) +void *gen_pool_dma_alloc(struct gen_pool *pool, size_t size, dma_addr_t *dma) +{ + unsigned long vaddr = gen_pool_alloc(pool, size); + + if (vaddr) + *dma = gen_pool_virt_to_phys(pool, vaddr); + return (void *)vaddr; +} +#endif + +void *hgsmi_buffer_alloc(struct gen_pool *guest_pool, size_t size, + u8 channel, u16 channel_info) +{ + HGSMIBUFFERHEADER *h; + HGSMIBUFFERTAIL *t; + size_t total_size; + dma_addr_t offset; + + total_size = size + sizeof(*h) + sizeof(*t); + h = gen_pool_dma_alloc(guest_pool, total_size, &offset); + if (!h) + return NULL; + + t = (HGSMIBUFFERTAIL *)((u8 *)h + sizeof(*h) + size); + + h->u8Flags = HGSMI_BUFFER_HEADER_F_SEQ_SINGLE; + h->u32DataSize = size; + h->u8Channel = channel; + h->u16ChannelInfo = channel_info; + memset(&h->u.au8Union, 0, sizeof(h->u.au8Union)); + + t->u32Reserved = 0; + t->u32Checksum = hgsmi_checksum(offset, h, t); + + return (u8 *)h + sizeof(*h); +} + +void hgsmi_buffer_free(struct gen_pool *guest_pool, void *buf) +{ + HGSMIBUFFERHEADER *h = + (HGSMIBUFFERHEADER *)((u8 *)buf - sizeof(*h)); + size_t total_size = h->u32DataSize + sizeof(*h) + + sizeof(HGSMIBUFFERTAIL); + + gen_pool_free(guest_pool, (unsigned long)h, total_size); +} + +int hgsmi_buffer_submit(struct gen_pool *guest_pool, void *buf) +{ + phys_addr_t offset; + + offset = gen_pool_virt_to_phys(guest_pool, (unsigned long)buf - + sizeof(HGSMIBUFFERHEADER)); + outl(offset, VGA_PORT_HGSMI_GUEST); + /* Make the compiler aware that the host has changed memory. */ + mb(); + + return 0; +} diff --git a/src/VBox/Additions/linux/drm/vbox_irq.c b/src/VBox/Additions/linux/drm/vbox_irq.c new file mode 100644 index 00000000..594388f8 --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_irq.c @@ -0,0 +1,225 @@ +/* $Id: vbox_irq.c $ */ +/** @file + * VirtualBox Additions Linux kernel video driver + */ + +/* + * Copyright (C) 2016-2023 Oracle and/or its affiliates. + * This file is based on qxl_irq.c + * Copyright 2013 Red Hat Inc. + * + * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Dave Airlie + * Alon Levy + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ +#include "vbox_drv.h" + +#if RTLNX_VER_MAX(5,1,0) +# include <drm/drm_crtc_helper.h> +# if RTLNX_RHEL_MAJ_PREREQ(8,1) +# include <drm/drm_probe_helper.h> +# endif +#else +# include <drm/drm_probe_helper.h> +#endif +#include <VBoxVideo.h> + +static void vbox_clear_irq(void) +{ + outl((u32)~0, VGA_PORT_HGSMI_HOST); +} + +static u32 vbox_get_flags(struct vbox_private *vbox) +{ + return readl(vbox->guest_heap + HOST_FLAGS_OFFSET); +} + +void vbox_report_hotplug(struct vbox_private *vbox) +{ + schedule_work(&vbox->hotplug_work); +} + +irqreturn_t vbox_irq_handler(int irq, void *arg) +{ + struct drm_device *dev = (struct drm_device *)arg; + struct vbox_private *vbox = (struct vbox_private *)dev->dev_private; + u32 host_flags = vbox_get_flags(vbox); + + if (!(host_flags & HGSMIHOSTFLAGS_IRQ)) + return IRQ_NONE; + + /* + * Due to a bug in the initial host implementation of hot-plug irqs, + * the hot-plug and cursor capability flags were never cleared. + * Fortunately we can tell when they would have been set by checking + * that the VSYNC flag is not set. + */ + if (host_flags & + (HGSMIHOSTFLAGS_HOTPLUG | HGSMIHOSTFLAGS_CURSOR_CAPABILITIES) && + !(host_flags & HGSMIHOSTFLAGS_VSYNC)) + vbox_report_hotplug(vbox); + + vbox_clear_irq(); + + return IRQ_HANDLED; +} + +/** + * Check that the position hints provided by the host are suitable for GNOME + * shell (i.e. all screens disjoint and hints for all enabled screens) and if + * not replace them with default ones. Providing valid hints improves the + * chances that we will get a known screen layout for pointer mapping. + */ +static void validate_or_set_position_hints(struct vbox_private *vbox) +{ + struct VBVAMODEHINT *hintsi, *hintsj; + bool valid = true; + u16 currentx = 0; + int i, j; + + for (i = 0; i < vbox->num_crtcs; ++i) { + for (j = 0; j < i; ++j) { + hintsi = &vbox->last_mode_hints[i]; + hintsj = &vbox->last_mode_hints[j]; + + if (hintsi->fEnabled && hintsj->fEnabled) { + if (hintsi->dx >= 0xffff || + hintsi->dy >= 0xffff || + hintsj->dx >= 0xffff || + hintsj->dy >= 0xffff || + (hintsi->dx < + hintsj->dx + (hintsj->cx & 0x8fff) && + hintsi->dx + (hintsi->cx & 0x8fff) > + hintsj->dx) || + (hintsi->dy < + hintsj->dy + (hintsj->cy & 0x8fff) && + hintsi->dy + (hintsi->cy & 0x8fff) > + hintsj->dy)) + valid = false; + } + } + } + if (!valid) + for (i = 0; i < vbox->num_crtcs; ++i) { + if (vbox->last_mode_hints[i].fEnabled) { + vbox->last_mode_hints[i].dx = currentx; + vbox->last_mode_hints[i].dy = 0; + currentx += + vbox->last_mode_hints[i].cx & 0x8fff; + } + } +} + +/** + * Query the host for the most recent video mode hints. + */ +static void vbox_update_mode_hints(struct vbox_private *vbox) +{ + struct drm_device *dev = vbox->dev; + struct drm_connector *connector; + struct vbox_connector *vbox_conn; + struct VBVAMODEHINT *hints; + u16 flags; + bool disconnected; + unsigned int crtc_id; + int ret; + + ret = VBoxHGSMIGetModeHints(vbox->guest_pool, vbox->num_crtcs, + vbox->last_mode_hints); + if (ret) { + DRM_ERROR("vboxvideo: hgsmi_get_mode_hints failed: %d\n", ret); + return; + } + + validate_or_set_position_hints(vbox); +#if RTLNX_VER_MIN(3,9,0) + drm_modeset_lock_all(dev); +#else + mutex_lock(&dev->mode_config.mutex); +#endif + list_for_each_entry(connector, &dev->mode_config.connector_list, head) { + vbox_conn = to_vbox_connector(connector); + + hints = &vbox->last_mode_hints[vbox_conn->vbox_crtc->crtc_id]; + if (hints->magic != VBVAMODEHINT_MAGIC) + continue; + + disconnected = !(hints->fEnabled); + crtc_id = vbox_conn->vbox_crtc->crtc_id; + vbox_conn->mode_hint.width = hints->cx; + vbox_conn->mode_hint.height = hints->cy; + vbox_conn->vbox_crtc->x_hint = hints->dx; + vbox_conn->vbox_crtc->y_hint = hints->dy; + vbox_conn->mode_hint.disconnected = disconnected; + + if (vbox_conn->vbox_crtc->disconnected == disconnected) + continue; + + if (disconnected) + flags = VBVA_SCREEN_F_ACTIVE | VBVA_SCREEN_F_DISABLED; + else + flags = VBVA_SCREEN_F_ACTIVE | VBVA_SCREEN_F_BLANK; + + VBoxHGSMIProcessDisplayInfo(vbox->guest_pool, crtc_id, 0, 0, 0, + hints->cx * 4, hints->cx, + hints->cy, 0, flags); + + vbox_conn->vbox_crtc->disconnected = disconnected; + } +#if RTLNX_VER_MIN(3,9,0) + drm_modeset_unlock_all(dev); +#else + mutex_unlock(&dev->mode_config.mutex); +#endif +} + +static void vbox_hotplug_worker(struct work_struct *work) +{ + struct vbox_private *vbox = container_of(work, struct vbox_private, + hotplug_work); + + vbox_update_mode_hints(vbox); + drm_kms_helper_hotplug_event(vbox->dev); +} + +int vbox_irq_init(struct vbox_private *vbox) +{ + INIT_WORK(&vbox->hotplug_work, vbox_hotplug_worker); + vbox_update_mode_hints(vbox); +#if RTLNX_VER_MIN(5,15,0) || RTLNX_RHEL_RANGE(8,7, 8,99) || RTLNX_RHEL_MAJ_PREREQ(9,1) || RTLNX_SUSE_MAJ_PREREQ(15,5) + return request_irq(VBOX_DRM_TO_PCI_DEV(vbox->dev)->irq, vbox_irq_handler, IRQF_SHARED, vbox->dev->driver->name, vbox->dev); +#elif RTLNX_VER_MIN(3,16,0) || RTLNX_RHEL_MAJ_PREREQ(7,1) + return drm_irq_install(vbox->dev, VBOX_DRM_TO_PCI_DEV(vbox->dev)->irq); +#else + return drm_irq_install(vbox->dev); +#endif +} + +void vbox_irq_fini(struct vbox_private *vbox) +{ +#if RTLNX_VER_MIN(5,15,0) || RTLNX_RHEL_RANGE(8,7, 8,99) || RTLNX_RHEL_MAJ_PREREQ(9,1) || RTLNX_SUSE_MAJ_PREREQ(15,5) + free_irq(VBOX_DRM_TO_PCI_DEV(vbox->dev)->irq, vbox->dev); +#else + drm_irq_uninstall(vbox->dev); +#endif + flush_work(&vbox->hotplug_work); +} diff --git a/src/VBox/Additions/linux/drm/vbox_main.c b/src/VBox/Additions/linux/drm/vbox_main.c new file mode 100644 index 00000000..ba6ee3c1 --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_main.c @@ -0,0 +1,704 @@ +/* $Id: vbox_main.c $ */ +/** @file + * VirtualBox Additions Linux kernel video driver + */ + +/* + * Copyright (C) 2013-2023 Oracle and/or its affiliates. + * This file is based on ast_main.c + * Copyright 2012 Red Hat Inc. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * Authors: Dave Airlie <airlied@redhat.com>, + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ +#include "vbox_drv.h" +#include <drm/drm_fb_helper.h> +#include <drm/drm_crtc_helper.h> + +#if RTLNX_VER_MIN(6,3,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) +# include <drm/drm_modeset_helper.h> +#endif + +#include <VBoxVideoGuest.h> +#include <VBoxVideoVBE.h> + +#include "hgsmi_channels.h" + +static void vbox_user_framebuffer_destroy(struct drm_framebuffer *fb) +{ + struct vbox_framebuffer *vbox_fb = to_vbox_framebuffer(fb); + + if (vbox_fb->obj) +#if RTLNX_VER_MIN(5,9,0) || RTLNX_RHEL_MIN(8,4) || RTLNX_SUSE_MAJ_PREREQ(15,3) + drm_gem_object_put(vbox_fb->obj); +#else + drm_gem_object_put_unlocked(vbox_fb->obj); +#endif + + drm_framebuffer_cleanup(fb); + kfree(fb); +} + +void vbox_enable_accel(struct vbox_private *vbox) +{ + unsigned int i; + struct VBVABUFFER *vbva; + + if (!vbox->vbva_info || !vbox->vbva_buffers) { + /* Should never happen... */ + DRM_ERROR("vboxvideo: failed to set up VBVA.\n"); + return; + } + + for (i = 0; i < vbox->num_crtcs; ++i) { + if (vbox->vbva_info[i].pVBVA) + continue; + + vbva = (void __force *)vbox->vbva_buffers + + i * VBVA_MIN_BUFFER_SIZE; + if (!VBoxVBVAEnable(&vbox->vbva_info[i], + vbox->guest_pool, vbva, i)) { + /* very old host or driver error. */ + DRM_ERROR("vboxvideo: vbva_enable failed\n"); + return; + } + } +} + +void vbox_disable_accel(struct vbox_private *vbox) +{ + unsigned int i; + + for (i = 0; i < vbox->num_crtcs; ++i) + VBoxVBVADisable(&vbox->vbva_info[i], vbox->guest_pool, i); +} + +void vbox_report_caps(struct vbox_private *vbox) +{ + u32 caps = VBVACAPS_DISABLE_CURSOR_INTEGRATION | + VBVACAPS_IRQ | VBVACAPS_USE_VBVA_ONLY; + + if (vbox->initial_mode_queried) + caps |= VBVACAPS_VIDEO_MODE_HINTS; + + VBoxHGSMISendCapsInfo(vbox->guest_pool, caps); +} + +/** + * Send information about dirty rectangles to VBVA. If necessary we enable + * VBVA first, as this is normally disabled after a change of master in case + * the new master does not send dirty rectangle information (is this even + * allowed?) + */ +void vbox_framebuffer_dirty_rectangles(struct drm_framebuffer *fb, + struct drm_clip_rect *rects, + unsigned int num_rects) +{ + struct vbox_private *vbox = fb->dev->dev_private; + struct drm_crtc *crtc; + unsigned int i; + + /* The user can send rectangles, we do not need the timer. */ + vbox->need_refresh_timer = false; + mutex_lock(&vbox->hw_mutex); + list_for_each_entry(crtc, &fb->dev->mode_config.crtc_list, head) { + if (CRTC_FB(crtc) != fb) + continue; + + for (i = 0; i < num_rects; ++i) { + VBVACMDHDR cmd_hdr; + unsigned int crtc_id = to_vbox_crtc(crtc)->crtc_id; + + if ((rects[i].x1 > crtc->x + crtc->hwmode.hdisplay) || + (rects[i].y1 > crtc->y + crtc->hwmode.vdisplay) || + (rects[i].x2 < crtc->x) || + (rects[i].y2 < crtc->y)) + continue; + + cmd_hdr.x = (s16)rects[i].x1; + cmd_hdr.y = (s16)rects[i].y1; + cmd_hdr.w = (u16)rects[i].x2 - rects[i].x1; + cmd_hdr.h = (u16)rects[i].y2 - rects[i].y1; + + if (!VBoxVBVABufferBeginUpdate(&vbox->vbva_info[crtc_id], + vbox->guest_pool)) + continue; + + VBoxVBVAWrite(&vbox->vbva_info[crtc_id], vbox->guest_pool, + &cmd_hdr, sizeof(cmd_hdr)); + VBoxVBVABufferEndUpdate(&vbox->vbva_info[crtc_id]); + } + } + mutex_unlock(&vbox->hw_mutex); +} + +static int vbox_user_framebuffer_dirty(struct drm_framebuffer *fb, + struct drm_file *file_priv, + unsigned int flags, unsigned int color, + struct drm_clip_rect *rects, + unsigned int num_rects) +{ + vbox_framebuffer_dirty_rectangles(fb, rects, num_rects); + + return 0; +} + +static const struct drm_framebuffer_funcs vbox_fb_funcs = { + .destroy = vbox_user_framebuffer_destroy, + .dirty = vbox_user_framebuffer_dirty, +}; + +int vbox_framebuffer_init(struct drm_device *dev, + struct vbox_framebuffer *vbox_fb, +#if RTLNX_VER_MIN(4,5,0) || RTLNX_RHEL_MAJ_PREREQ(7,3) + const struct DRM_MODE_FB_CMD *mode_cmd, +#else + struct DRM_MODE_FB_CMD *mode_cmd, +#endif + struct drm_gem_object *obj) +{ + int ret; + +#if RTLNX_VER_MIN(4,11,0) || RTLNX_RHEL_MAJ_PREREQ(7,5) + drm_helper_mode_fill_fb_struct(dev, &vbox_fb->base, mode_cmd); +#else + drm_helper_mode_fill_fb_struct(&vbox_fb->base, mode_cmd); +#endif + vbox_fb->obj = obj; + ret = drm_framebuffer_init(dev, &vbox_fb->base, &vbox_fb_funcs); + if (ret) { + DRM_ERROR("framebuffer init failed %d\n", ret); + return ret; + } + + return 0; +} + +static struct drm_framebuffer *vbox_user_framebuffer_create( + struct drm_device *dev, + struct drm_file *filp, +#if RTLNX_VER_MIN(4,5,0) || RTLNX_RHEL_MAJ_PREREQ(7,3) + const struct drm_mode_fb_cmd2 *mode_cmd) +#else + struct drm_mode_fb_cmd2 *mode_cmd) +#endif +{ + struct drm_gem_object *obj; + struct vbox_framebuffer *vbox_fb; + int ret = -ENOMEM; + +#if RTLNX_VER_MIN(4,7,0) || RTLNX_RHEL_MAJ_PREREQ(7,4) + obj = drm_gem_object_lookup(filp, mode_cmd->handles[0]); +#else + obj = drm_gem_object_lookup(dev, filp, mode_cmd->handles[0]); +#endif + if (!obj) + return ERR_PTR(-ENOENT); + + vbox_fb = kzalloc(sizeof(*vbox_fb), GFP_KERNEL); + if (!vbox_fb) + goto err_unref_obj; + + ret = vbox_framebuffer_init(dev, vbox_fb, mode_cmd, obj); + if (ret) + goto err_free_vbox_fb; + + return &vbox_fb->base; + +err_free_vbox_fb: + kfree(vbox_fb); +err_unref_obj: +#if RTLNX_VER_MIN(5,9,0) || RTLNX_RHEL_MIN(8,4) || RTLNX_SUSE_MAJ_PREREQ(15,3) + drm_gem_object_put(obj); +#else + drm_gem_object_put_unlocked(obj); +#endif + return ERR_PTR(ret); +} + +static const struct drm_mode_config_funcs vbox_mode_funcs = { + .fb_create = vbox_user_framebuffer_create, +}; + +#if RTLNX_VER_MAX(4,0,0) && !RTLNX_RHEL_MAJ_PREREQ(7,3) +# define pci_iomap_range(dev, bar, offset, maxlen) \ + ioremap(pci_resource_start(dev, bar) + (offset), maxlen) +#endif + +/** + * Tell the host about the views. This design originally targeted the + * Windows XP driver architecture and assumed that each screen would + * have a dedicated frame buffer with the command buffer following it, + * the whole being a "view". The host works out which screen a command + * buffer belongs to by checking whether it is in the first view, then + * whether it is in the second and so on. The first match wins. We + * cheat around this by making the first view be the managed memory + * plus the first command buffer, the second the same plus the second + * buffer and so on. + */ +static int vbox_set_views(struct vbox_private *vbox) +{ + VBVAINFOVIEW *p; + int i; + + p = VBoxHGSMIBufferAlloc(vbox->guest_pool, sizeof(*p), + HGSMI_CH_VBVA, VBVA_INFO_VIEW); + if (!p) + return -ENOMEM; + + for (i = 0; i < vbox->num_crtcs; ++i) { + p->u32ViewIndex = i; + p->u32ViewOffset = 0; + p->u32ViewSize = vbox->available_vram_size + + i * VBVA_MIN_BUFFER_SIZE; + p->u32MaxScreenSize = vbox->available_vram_size; + + VBoxHGSMIBufferSubmit(vbox->guest_pool, p); + } + + VBoxHGSMIBufferFree(vbox->guest_pool, p); + + return 0; +} + +static int vbox_accel_init(struct vbox_private *vbox) +{ + unsigned int i, ret; + + vbox->vbva_info = devm_kcalloc(vbox->dev->dev, vbox->num_crtcs, + sizeof(*vbox->vbva_info), GFP_KERNEL); + if (!vbox->vbva_info) + return -ENOMEM; + + /* Take a command buffer for each screen from the end of usable VRAM. */ + vbox->available_vram_size -= vbox->num_crtcs * VBVA_MIN_BUFFER_SIZE; + + vbox->vbva_buffers = pci_iomap_range(VBOX_DRM_TO_PCI_DEV(vbox->dev), 0, + vbox->available_vram_size, + vbox->num_crtcs * + VBVA_MIN_BUFFER_SIZE); + if (!vbox->vbva_buffers) + return -ENOMEM; + + for (i = 0; i < vbox->num_crtcs; ++i) + VBoxVBVASetupBufferContext(&vbox->vbva_info[i], + vbox->available_vram_size + + i * VBVA_MIN_BUFFER_SIZE, + VBVA_MIN_BUFFER_SIZE); + + vbox_enable_accel(vbox); + ret = vbox_set_views(vbox); + if (ret) + goto err_pci_iounmap; + + return 0; + +err_pci_iounmap: + pci_iounmap(VBOX_DRM_TO_PCI_DEV(vbox->dev), vbox->vbva_buffers); + return ret; +} + +static void vbox_accel_fini(struct vbox_private *vbox) +{ + vbox_disable_accel(vbox); + pci_iounmap(VBOX_DRM_TO_PCI_DEV(vbox->dev), vbox->vbva_buffers); +} + +/** Do we support the 4.3 plus mode hint reporting interface? */ +static bool have_hgsmi_mode_hints(struct vbox_private *vbox) +{ + u32 have_hints, have_cursor; + int ret; + + ret = VBoxQueryConfHGSMI(vbox->guest_pool, + VBOX_VBVA_CONF32_MODE_HINT_REPORTING, + &have_hints); + if (ret) + return false; + + ret = VBoxQueryConfHGSMI(vbox->guest_pool, + VBOX_VBVA_CONF32_GUEST_CURSOR_REPORTING, + &have_cursor); + if (ret) + return false; + + return have_hints == VINF_SUCCESS && have_cursor == VINF_SUCCESS; +} + +/** + * Our refresh timer call-back. Only used for guests without dirty rectangle + * support. + */ +static void vbox_refresh_timer(struct work_struct *work) +{ + struct vbox_private *vbox = container_of(work, struct vbox_private, + refresh_work.work); + bool have_unblanked = false; + struct drm_crtc *crtci; + + if (!vbox->need_refresh_timer) + return; + list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, head) { + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtci); + if (crtci->enabled && !vbox_crtc->blanked) + have_unblanked = true; + } + if (!have_unblanked) + return; + /* This forces a full refresh. */ + vbox_enable_accel(vbox); + /* Schedule the next timer iteration. */ + schedule_delayed_work(&vbox->refresh_work, VBOX_REFRESH_PERIOD); +} + +static bool vbox_check_supported(u16 id) +{ + u16 dispi_id; + + vbox_write_ioport(VBE_DISPI_INDEX_ID, id); + dispi_id = inw(VBE_DISPI_IOPORT_DATA); + + return dispi_id == id; +} + +/** + * Set up our heaps and data exchange buffers in VRAM before handing the rest + * to the memory manager. + */ +static int vbox_hw_init(struct vbox_private *vbox) +{ + int ret = -ENOMEM; + + vbox->full_vram_size = inl(VBE_DISPI_IOPORT_DATA); + vbox->any_pitch = vbox_check_supported(VBE_DISPI_ID_ANYX); + + DRM_INFO("VRAM %08x\n", vbox->full_vram_size); + + /* Map guest-heap at end of vram */ + vbox->guest_heap = + pci_iomap_range(VBOX_DRM_TO_PCI_DEV(vbox->dev), 0, GUEST_HEAP_OFFSET(vbox), + GUEST_HEAP_SIZE); + if (!vbox->guest_heap) + return -ENOMEM; + + /* Create guest-heap mem-pool use 2^4 = 16 byte chunks */ + vbox->guest_pool = gen_pool_create(4, -1); + if (!vbox->guest_pool) + goto err_unmap_guest_heap; + + ret = gen_pool_add_virt(vbox->guest_pool, + (unsigned long)vbox->guest_heap, + GUEST_HEAP_OFFSET(vbox), + GUEST_HEAP_USABLE_SIZE, -1); + if (ret) + goto err_destroy_guest_pool; + + /* Reduce available VRAM size to reflect the guest heap. */ + vbox->available_vram_size = GUEST_HEAP_OFFSET(vbox); + /* Linux drm represents monitors as a 32-bit array. */ + VBoxQueryConfHGSMI(vbox->guest_pool, VBOX_VBVA_CONF32_MONITOR_COUNT, + &vbox->num_crtcs); + vbox->num_crtcs = clamp_t(u32, vbox->num_crtcs, 1, VBOX_MAX_SCREENS); + + if (!have_hgsmi_mode_hints(vbox)) { + ret = -ENOTSUPP; + goto err_destroy_guest_pool; + } + + vbox->last_mode_hints = devm_kcalloc(vbox->dev->dev, vbox->num_crtcs, + sizeof(VBVAMODEHINT), + GFP_KERNEL); + if (!vbox->last_mode_hints) { + ret = -ENOMEM; + goto err_destroy_guest_pool; + } + + ret = vbox_accel_init(vbox); + if (ret) + goto err_destroy_guest_pool; + + /* Set up the refresh timer for users which do not send dirty rectangles. */ + INIT_DELAYED_WORK(&vbox->refresh_work, vbox_refresh_timer); + + return 0; + +err_destroy_guest_pool: + gen_pool_destroy(vbox->guest_pool); +err_unmap_guest_heap: + pci_iounmap(VBOX_DRM_TO_PCI_DEV(vbox->dev), vbox->guest_heap); + return ret; +} + +static void vbox_hw_fini(struct vbox_private *vbox) +{ + vbox->need_refresh_timer = false; + cancel_delayed_work(&vbox->refresh_work); + vbox_accel_fini(vbox); + gen_pool_destroy(vbox->guest_pool); + pci_iounmap(VBOX_DRM_TO_PCI_DEV(vbox->dev), vbox->guest_heap); +} + +#if RTLNX_VER_MIN(4,19,0) || RTLNX_RHEL_MIN(8,3) +int vbox_driver_load(struct drm_device *dev) +#else +int vbox_driver_load(struct drm_device *dev, unsigned long flags) +#endif +{ + struct vbox_private *vbox; + int ret = 0; + + if (!vbox_check_supported(VBE_DISPI_ID_HGSMI)) + return -ENODEV; + + vbox = devm_kzalloc(dev->dev, sizeof(*vbox), GFP_KERNEL); + if (!vbox) + return -ENOMEM; + + dev->dev_private = vbox; + vbox->dev = dev; + + mutex_init(&vbox->hw_mutex); + + ret = vbox_hw_init(vbox); + if (ret) + return ret; + + ret = vbox_mm_init(vbox); + if (ret) + goto err_hw_fini; + + drm_mode_config_init(dev); + + dev->mode_config.funcs = (void *)&vbox_mode_funcs; + dev->mode_config.min_width = 64; + dev->mode_config.min_height = 64; + dev->mode_config.preferred_depth = 24; + dev->mode_config.max_width = VBE_DISPI_MAX_XRES; + dev->mode_config.max_height = VBE_DISPI_MAX_YRES; + + ret = vbox_mode_init(dev); + if (ret) + goto err_drm_mode_cleanup; + + ret = vbox_irq_init(vbox); + if (ret) + goto err_mode_fini; + + ret = vbox_fbdev_init(dev); + if (ret) + goto err_irq_fini; + + return 0; + +err_irq_fini: + vbox_irq_fini(vbox); +err_mode_fini: + vbox_mode_fini(dev); +err_drm_mode_cleanup: + drm_mode_config_cleanup(dev); + vbox_mm_fini(vbox); +err_hw_fini: + vbox_hw_fini(vbox); + return ret; +} + +#if RTLNX_VER_MIN(4,11,0) || RTLNX_RHEL_MAJ_PREREQ(7,5) +void vbox_driver_unload(struct drm_device *dev) +#else +int vbox_driver_unload(struct drm_device *dev) +#endif +{ + struct vbox_private *vbox = dev->dev_private; + + vbox_fbdev_fini(dev); + vbox_irq_fini(vbox); + vbox_mode_fini(dev); + drm_mode_config_cleanup(dev); + vbox_mm_fini(vbox); + vbox_hw_fini(vbox); +#if RTLNX_VER_MAX(4,11,0) && !RTLNX_RHEL_MAJ_PREREQ(7,5) + return 0; +#endif +} + +/** + * @note this is described in the DRM framework documentation. AST does not + * have it, but we get an oops on driver unload if it is not present. + */ +void vbox_driver_lastclose(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + +#if RTLNX_VER_MIN(3,16,0) || RTLNX_RHEL_MAJ_PREREQ(7,1) + if (vbox->fbdev) + drm_fb_helper_restore_fbdev_mode_unlocked(&vbox->fbdev->helper); +#else + drm_modeset_lock_all(dev); + if (vbox->fbdev) + drm_fb_helper_restore_fbdev_mode(&vbox->fbdev->helper); + drm_modeset_unlock_all(dev); +#endif +} + +int vbox_gem_create(struct drm_device *dev, + u32 size, bool iskernel, struct drm_gem_object **obj) +{ + struct vbox_bo *vboxbo; + int ret; + + *obj = NULL; + + size = roundup(size, PAGE_SIZE); + if (size == 0) + { + DRM_ERROR("bad size\n"); + return -EINVAL; + } + + ret = vbox_bo_create(dev, size, 0, 0, &vboxbo); + if (ret) { + if (ret != -ERESTARTSYS) + DRM_ERROR("failed to allocate GEM object\n"); + DRM_ERROR("failed to allocate GEM (%d)\n", ret); + return ret; + } + + *obj = &vboxbo->gem; + + return 0; +} + +int vbox_dumb_create(struct drm_file *file, + struct drm_device *dev, struct drm_mode_create_dumb *args) +{ + int ret; + struct drm_gem_object *gobj; + u32 handle; + + args->pitch = args->width * ((args->bpp + 7) / 8); + args->size = args->pitch * args->height; + + ret = vbox_gem_create(dev, args->size, false, &gobj); + if (ret) + return ret; + + ret = drm_gem_handle_create(file, gobj, &handle); +#if RTLNX_VER_MIN(5,9,0) || RTLNX_RHEL_MIN(8,4) || RTLNX_SUSE_MAJ_PREREQ(15,3) + drm_gem_object_put(gobj); +#else + drm_gem_object_put_unlocked(gobj); +#endif + if (ret) + return ret; + + args->handle = handle; + + return 0; +} + +#if RTLNX_VER_MAX(3,12,0) && !RTLNX_RHEL_MAJ_PREREQ(7,3) +int vbox_dumb_destroy(struct drm_file *file, + struct drm_device *dev, u32 handle) +{ + return drm_gem_handle_delete(file, handle); +} +#endif + +#if RTLNX_VER_MAX(4,19,0) && !RTLNX_RHEL_MAJ_PREREQ(7,7) && !RTLNX_RHEL_MAJ_PREREQ(8,1) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) +static void ttm_bo_put(struct ttm_buffer_object *bo) +{ + ttm_bo_unref(&bo); +} +#endif + +void vbox_gem_free_object(struct drm_gem_object *obj) +{ + struct vbox_bo *vbox_bo = gem_to_vbox_bo(obj); + +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + /* Starting from kernel 5.14, there is a warning appears in dmesg + * on attempt to desroy pinned buffer object. Make sure it is unpinned. */ + while (vbox_bo->bo.pin_count) + { + int ret; + ret = vbox_bo_unpin(vbox_bo); + if (ret) + { + DRM_ERROR("unable to unpin buffer object\n"); + break; + } + } +#endif + + ttm_bo_put(&vbox_bo->bo); +} + +static inline u64 vbox_bo_mmap_offset(struct vbox_bo *bo) +{ +#if RTLNX_VER_MIN(5,4,0) || RTLNX_RHEL_MIN(8,3) || RTLNX_SUSE_MAJ_PREREQ(15,3) + return drm_vma_node_offset_addr(&bo->bo.base.vma_node); +#elif RTLNX_VER_MAX(3,12,0) && !RTLNX_RHEL_MAJ_PREREQ(7,0) + return bo->bo.addr_space_offset; +#else + return drm_vma_node_offset_addr(&bo->bo.vma_node); +#endif /* >= 5.4.0 */ +} + +int +vbox_dumb_mmap_offset(struct drm_file *file, + struct drm_device *dev, + u32 handle, u64 *offset) +{ + struct drm_gem_object *obj; + int ret = 0; + struct vbox_bo *bo; + + mutex_lock(&dev->struct_mutex); +#if RTLNX_VER_MIN(4,7,0) || RTLNX_RHEL_MAJ_PREREQ(7,4) + obj = drm_gem_object_lookup(file, handle); +#else + obj = drm_gem_object_lookup(dev, file, handle); +#endif + if (!obj) { + ret = -ENOENT; + goto out_unlock; + } + + bo = gem_to_vbox_bo(obj); + *offset = vbox_bo_mmap_offset(bo); + +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + ret = drm_vma_node_allow(&bo->bo.base.vma_node, file); + if (ret) + { + DRM_ERROR("unable to grant previladges to user"); + } +#endif + + drm_gem_object_put(obj); + +out_unlock: + mutex_unlock(&dev->struct_mutex); + return ret; +} diff --git a/src/VBox/Additions/linux/drm/vbox_mode.c b/src/VBox/Additions/linux/drm/vbox_mode.c new file mode 100644 index 00000000..bfe13ced --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_mode.c @@ -0,0 +1,949 @@ +/* $Id: vbox_mode.c $ */ +/** @file + * VirtualBox Additions Linux kernel video driver + */ + +/* + * Copyright (C) 2013-2023 Oracle and/or its affiliates. + * This file is based on ast_mode.c + * Copyright 2012 Red Hat Inc. + * Parts based on xf86-video-ast + * Copyright (c) 2005 ASPEED Technology Inc. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + */ +/* + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com, + * Hans de Goede <hdegoede@redhat.com> + */ +#include "vbox_drv.h" +#include <linux/export.h> +#include <drm/drm_crtc_helper.h> +#if RTLNX_VER_MIN(6,3,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) +# include <drm/drm_modeset_helper_vtables.h> +# include <drm/drm_modeset_helper.h> +#endif +#if RTLNX_VER_MIN(3,18,0) || RTLNX_RHEL_MAJ_PREREQ(7,2) +# include <drm/drm_plane_helper.h> +#endif +#if RTLNX_VER_MIN(5,1,0) || RTLNX_RHEL_MAJ_PREREQ(8,1) +# include <drm/drm_probe_helper.h> +#endif + +#if RTLNX_VER_MIN(6,0,0) || RTLNX_RHEL_RANGE(8,8, 8,99) || RTLNX_RHEL_MAJ_PREREQ(9,2) || RTLNX_SUSE_MAJ_PREREQ(15,5) +# include <drm/drm_edid.h> +#endif + +#include "VBoxVideo.h" + +static int vbox_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, + u32 handle, u32 width, u32 height, + s32 hot_x, s32 hot_y); +static int vbox_cursor_move(struct drm_crtc *crtc, int x, int y); + +/** + * Set a graphics mode. Poke any required values into registers, do an HGSMI + * mode set and tell the host we support advanced graphics functions. + */ +static void vbox_do_modeset(struct drm_crtc *crtc, + const struct drm_display_mode *mode) +{ + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + struct vbox_private *vbox; + int width, height, bpp, pitch; + u16 flags; + s32 x_offset, y_offset; + + vbox = crtc->dev->dev_private; + width = mode->hdisplay ? mode->hdisplay : 640; + height = mode->vdisplay ? mode->vdisplay : 480; +#if RTLNX_VER_MIN(4,11,0) || RTLNX_RHEL_MAJ_PREREQ(7,5) + bpp = crtc->enabled ? CRTC_FB(crtc)->format->cpp[0] * 8 : 32; + pitch = crtc->enabled ? CRTC_FB(crtc)->pitches[0] : width * bpp / 8; +#elif RTLNX_VER_MIN(3,3,0) + bpp = crtc->enabled ? CRTC_FB(crtc)->bits_per_pixel : 32; + pitch = crtc->enabled ? CRTC_FB(crtc)->pitches[0] : width * bpp / 8; +#else + bpp = crtc->enabled ? CRTC_FB(crtc)->bits_per_pixel : 32; + pitch = crtc->enabled ? CRTC_FB(crtc)->pitch : width * bpp / 8; +#endif + x_offset = vbox->single_framebuffer ? crtc->x : vbox_crtc->x_hint; + y_offset = vbox->single_framebuffer ? crtc->y : vbox_crtc->y_hint; + + /* + * This is the old way of setting graphics modes. It assumed one screen + * and a frame-buffer at the start of video RAM. On older versions of + * VirtualBox, certain parts of the code still assume that the first + * screen is programmed this way, so try to fake it. + */ + if (vbox_crtc->crtc_id == 0 && crtc->enabled && + vbox_crtc->fb_offset / pitch < 0xffff - crtc->y && + vbox_crtc->fb_offset % (bpp / 8) == 0) + VBoxVideoSetModeRegisters( + width, height, pitch * 8 / bpp, +#if RTLNX_VER_MIN(4,11,0) || RTLNX_RHEL_MAJ_PREREQ(7,5) + CRTC_FB(crtc)->format->cpp[0] * 8, +#else + CRTC_FB(crtc)->bits_per_pixel, +#endif + 0, + vbox_crtc->fb_offset % pitch / bpp * 8 + crtc->x, + vbox_crtc->fb_offset / pitch + crtc->y); + + flags = VBVA_SCREEN_F_ACTIVE; + flags |= (crtc->enabled && !vbox_crtc->blanked) ? + 0 : VBVA_SCREEN_F_BLANK; + flags |= vbox_crtc->disconnected ? VBVA_SCREEN_F_DISABLED : 0; + VBoxHGSMIProcessDisplayInfo(vbox->guest_pool, vbox_crtc->crtc_id, + x_offset, y_offset, vbox_crtc->fb_offset + + crtc->x * bpp / 8 + crtc->y * pitch, + pitch, width, height, + vbox_crtc->blanked ? 0 : bpp, flags); +} + +static void vbox_crtc_dpms(struct drm_crtc *crtc, int mode) +{ + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + struct vbox_private *vbox = crtc->dev->dev_private; + + switch (mode) { + case DRM_MODE_DPMS_ON: + vbox_crtc->blanked = false; + /* Restart the refresh timer if necessary. */ + schedule_delayed_work(&vbox->refresh_work, VBOX_REFRESH_PERIOD); + break; + case DRM_MODE_DPMS_STANDBY: + case DRM_MODE_DPMS_SUSPEND: + case DRM_MODE_DPMS_OFF: + vbox_crtc->blanked = true; + break; + } + + mutex_lock(&vbox->hw_mutex); + vbox_do_modeset(crtc, &crtc->hwmode); + mutex_unlock(&vbox->hw_mutex); +} + +static bool vbox_crtc_mode_fixup(struct drm_crtc *crtc, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +/* + * Try to map the layout of virtual screens to the range of the input device. + * Return true if we need to re-set the crtc modes due to screen offset + * changes. + */ +static bool vbox_set_up_input_mapping(struct vbox_private *vbox) +{ + struct drm_crtc *crtci; + struct drm_connector *connectori; + struct drm_framebuffer *fb1 = NULL; + bool single_framebuffer = true; + bool old_single_framebuffer = vbox->single_framebuffer; + u16 width = 0, height = 0; + + /* + * Are we using an X.Org-style single large frame-buffer for all crtcs? + * If so then screen layout can be deduced from the crtc offsets. + * Same fall-back if this is the fbdev frame-buffer. + */ + list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, head) { + if (!fb1) { + fb1 = CRTC_FB(crtci); + if (to_vbox_framebuffer(fb1) == &vbox->fbdev->afb) + break; + } else if (CRTC_FB(crtci) && fb1 != CRTC_FB(crtci)) { + single_framebuffer = false; + } + } + if (single_framebuffer) { + list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, + head) { + if (to_vbox_crtc(crtci)->crtc_id != 0) + continue; + + if (!CRTC_FB(crtci)) + break; + vbox->single_framebuffer = true; + vbox->input_mapping_width = CRTC_FB(crtci)->width; + vbox->input_mapping_height = CRTC_FB(crtci)->height; + return old_single_framebuffer != + vbox->single_framebuffer; + } + } + /* Otherwise calculate the total span of all screens. */ + list_for_each_entry(connectori, &vbox->dev->mode_config.connector_list, + head) { + struct vbox_connector *vbox_connector = + to_vbox_connector(connectori); + struct vbox_crtc *vbox_crtc = vbox_connector->vbox_crtc; + + width = max_t(u16, width, vbox_crtc->x_hint + + vbox_connector->mode_hint.width); + height = max_t(u16, height, vbox_crtc->y_hint + + vbox_connector->mode_hint.height); + } + + vbox->single_framebuffer = false; + vbox->input_mapping_width = width; + vbox->input_mapping_height = height; + + return old_single_framebuffer != vbox->single_framebuffer; +} + +static int vbox_crtc_set_base(struct drm_crtc *crtc, + struct drm_framebuffer *old_fb, + struct drm_framebuffer *new_fb, + int x, int y) +{ + struct vbox_private *vbox = crtc->dev->dev_private; + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + struct drm_gem_object *obj; + struct vbox_framebuffer *vbox_fb; + struct vbox_bo *bo; + int ret; + u64 gpu_addr; + + vbox_fb = to_vbox_framebuffer(new_fb); + obj = vbox_fb->obj; + bo = gem_to_vbox_bo(obj); + + ret = vbox_bo_reserve(bo, false); + if (ret) + return ret; + + ret = vbox_bo_pin(bo, VBOX_MEM_TYPE_VRAM, &gpu_addr); + vbox_bo_unreserve(bo); + if (ret) + return ret; + + /* Unpin the previous fb. Do this after the new one has been pinned rather + * than before and re-pinning it on failure in case that fails too. */ + if (old_fb) { + vbox_fb = to_vbox_framebuffer(old_fb); + obj = vbox_fb->obj; + bo = gem_to_vbox_bo(obj); + ret = vbox_bo_reserve(bo, false); + /* This should never fail, as no one else should be accessing it and we + * should be running under the modeset locks. */ + if (!ret) { + vbox_bo_unpin(bo); + vbox_bo_unreserve(bo); + } + else + { + DRM_ERROR("unable to lock buffer object: error %d\n", ret); + } + } + + if (&vbox->fbdev->afb == vbox_fb) + vbox_fbdev_set_base(vbox, gpu_addr); + + vbox_crtc->fb_offset = gpu_addr; + if (vbox_set_up_input_mapping(vbox)) { + struct drm_crtc *crtci; + + list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, + head) { + vbox_do_modeset(crtci, &crtci->mode); + } + } + + return 0; +} + +static int vbox_crtc_mode_set(struct drm_crtc *crtc, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode, + int x, int y, struct drm_framebuffer *old_fb) +{ + struct vbox_private *vbox = crtc->dev->dev_private; + int ret = vbox_crtc_set_base(crtc, old_fb, CRTC_FB(crtc), x, y); + if (ret) + return ret; + mutex_lock(&vbox->hw_mutex); + vbox_do_modeset(crtc, mode); + VBoxHGSMIUpdateInputMapping(vbox->guest_pool, 0, 0, + vbox->input_mapping_width, + vbox->input_mapping_height); + mutex_unlock(&vbox->hw_mutex); + + return ret; +} + +static int vbox_crtc_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, +#if RTLNX_VER_MIN(4,12,0) || RTLNX_RHEL_MAJ_PREREQ(7,5) + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags, + struct drm_modeset_acquire_ctx *ctx) +#elif RTLNX_VER_MIN(3,12,0) || RTLNX_RHEL_MAJ_PREREQ(7,0) + struct drm_pending_vblank_event *event, + uint32_t page_flip_flags) +#else + struct drm_pending_vblank_event *event) +#endif +{ + struct vbox_private *vbox = crtc->dev->dev_private; + struct drm_device *drm = vbox->dev; + unsigned long flags; + int rc; + + rc = vbox_crtc_set_base(crtc, CRTC_FB(crtc), fb, 0, 0); + if (rc) + return rc; + + mutex_lock(&vbox->hw_mutex); + vbox_do_modeset(crtc, &crtc->mode); + mutex_unlock(&vbox->hw_mutex); + + spin_lock_irqsave(&drm->event_lock, flags); + + if (event) +#if RTLNX_VER_MIN(3,19,0) || RTLNX_RHEL_MAJ_PREREQ(7,2) + drm_crtc_send_vblank_event(crtc, event); +#else + drm_send_vblank_event(drm, -1, event); +#endif + + spin_unlock_irqrestore(&drm->event_lock, flags); + + return 0; +} + +static void vbox_crtc_disable(struct drm_crtc *crtc) +{ +} + +static void vbox_crtc_prepare(struct drm_crtc *crtc) +{ +} + +static void vbox_crtc_commit(struct drm_crtc *crtc) +{ +} + +static const struct drm_crtc_helper_funcs vbox_crtc_helper_funcs = { + .dpms = vbox_crtc_dpms, + .mode_fixup = vbox_crtc_mode_fixup, + .mode_set = vbox_crtc_mode_set, + .disable = vbox_crtc_disable, + .prepare = vbox_crtc_prepare, + .commit = vbox_crtc_commit, +}; + +static void vbox_crtc_reset(struct drm_crtc *crtc) +{ +} + +static void vbox_crtc_destroy(struct drm_crtc *crtc) +{ + drm_crtc_cleanup(crtc); + kfree(crtc); +} + +static const struct drm_crtc_funcs vbox_crtc_funcs = { + .cursor_move = vbox_cursor_move, + .cursor_set2 = vbox_cursor_set2, + .reset = vbox_crtc_reset, + .set_config = drm_crtc_helper_set_config, + /* .gamma_set = vbox_crtc_gamma_set, */ + .page_flip = vbox_crtc_page_flip, + .destroy = vbox_crtc_destroy, +}; + +static struct vbox_crtc *vbox_crtc_init(struct drm_device *dev, unsigned int i) +{ + struct vbox_crtc *vbox_crtc; + + vbox_crtc = kzalloc(sizeof(*vbox_crtc), GFP_KERNEL); + if (!vbox_crtc) + return NULL; + + vbox_crtc->crtc_id = i; + + drm_crtc_init(dev, &vbox_crtc->base, &vbox_crtc_funcs); + drm_mode_crtc_set_gamma_size(&vbox_crtc->base, 256); + drm_crtc_helper_add(&vbox_crtc->base, &vbox_crtc_helper_funcs); + + return vbox_crtc; +} + +static void vbox_encoder_destroy(struct drm_encoder *encoder) +{ + drm_encoder_cleanup(encoder); + kfree(encoder); +} + +#if RTLNX_VER_MAX(3,13,0) && !RTLNX_RHEL_MAJ_PREREQ(7,1) +static struct drm_encoder *drm_encoder_find(struct drm_device *dev, u32 id) +{ + struct drm_mode_object *mo; + + mo = drm_mode_object_find(dev, id, DRM_MODE_OBJECT_ENCODER); + return mo ? obj_to_encoder(mo) : NULL; +} +#endif + +static struct drm_encoder *vbox_best_single_encoder(struct drm_connector + *connector) +{ +#if RTLNX_VER_MIN(5,5,0) || RTLNX_RHEL_MIN(8,3) || RTLNX_SUSE_MAJ_PREREQ(15,3) + struct drm_encoder *encoder; + + /* There is only one encoder per connector */ + drm_connector_for_each_possible_encoder(connector, encoder) + return encoder; +#else /* < 5.5 || RHEL < 8.3 */ + int enc_id = connector->encoder_ids[0]; + + /* pick the encoder ids */ + if (enc_id) +# if RTLNX_VER_MIN(4,15,0) || RTLNX_RHEL_MAJ_PREREQ(7,6) || (defined(CONFIG_SUSE_VERSION) && RTLNX_VER_MIN(4,12,0)) + return drm_encoder_find(connector->dev, NULL, enc_id); +# else + return drm_encoder_find(connector->dev, enc_id); +# endif +#endif /* < 5.5 || RHEL < 8.3 */ + return NULL; +} + +static const struct drm_encoder_funcs vbox_enc_funcs = { + .destroy = vbox_encoder_destroy, +}; + +static void vbox_encoder_dpms(struct drm_encoder *encoder, int mode) +{ +} + +static bool vbox_mode_fixup(struct drm_encoder *encoder, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + return true; +} + +static void vbox_encoder_mode_set(struct drm_encoder *encoder, + struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ +} + +static void vbox_encoder_prepare(struct drm_encoder *encoder) +{ +} + +static void vbox_encoder_commit(struct drm_encoder *encoder) +{ +} + +static const struct drm_encoder_helper_funcs vbox_enc_helper_funcs = { + .dpms = vbox_encoder_dpms, + .mode_fixup = vbox_mode_fixup, + .prepare = vbox_encoder_prepare, + .commit = vbox_encoder_commit, + .mode_set = vbox_encoder_mode_set, +}; + +static struct drm_encoder *vbox_encoder_init(struct drm_device *dev, + unsigned int i) +{ + struct vbox_encoder *vbox_encoder; + + vbox_encoder = kzalloc(sizeof(*vbox_encoder), GFP_KERNEL); + if (!vbox_encoder) + return NULL; + + drm_encoder_init(dev, &vbox_encoder->base, &vbox_enc_funcs, +#if RTLNX_VER_MIN(4,5,0) || RTLNX_RHEL_MAJ_PREREQ(7,3) + DRM_MODE_ENCODER_DAC, NULL); +#else + DRM_MODE_ENCODER_DAC); +#endif + drm_encoder_helper_add(&vbox_encoder->base, &vbox_enc_helper_funcs); + + vbox_encoder->base.possible_crtcs = 1 << i; + return &vbox_encoder->base; +} + +/** + * Generate EDID data with a mode-unique serial number for the virtual + * monitor to try to persuade Unity that different modes correspond to + * different monitors and it should not try to force the same resolution on + * them. + */ +static void vbox_set_edid(struct drm_connector *connector, int width, + int height) +{ + enum { EDID_SIZE = 128 }; + unsigned char edid[EDID_SIZE] = { + 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, /* header */ + 0x58, 0x58, /* manufacturer (VBX) */ + 0x00, 0x00, /* product code */ + 0x00, 0x00, 0x00, 0x00, /* serial number goes here */ + 0x01, /* week of manufacture */ + 0x00, /* year of manufacture */ + 0x01, 0x03, /* EDID version */ + 0x80, /* capabilities - digital */ + 0x00, /* horiz. res in cm, zero for projectors */ + 0x00, /* vert. res in cm */ + 0x78, /* display gamma (120 == 2.2). */ + 0xEE, /* features (standby, suspend, off, RGB, std */ + /* colour space, preferred timing mode) */ + 0xEE, 0x91, 0xA3, 0x54, 0x4C, 0x99, 0x26, 0x0F, 0x50, 0x54, + /* chromaticity for standard colour space. */ + 0x00, 0x00, 0x00, /* no default timings */ + 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, + 0x01, 0x01, + 0x01, 0x01, 0x01, 0x01, /* no standard timings */ + 0x00, 0x00, 0x00, 0x06, 0x00, 0x00, 0x06, 0x00, 0x02, 0x02, + 0x02, 0x02, + /* descriptor block 1 goes below */ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + /* descriptor block 2, monitor ranges */ + 0x00, 0x00, 0x00, 0xFD, 0x00, + 0x00, 0xC8, 0x00, 0xC8, 0x64, 0x00, 0x0A, 0x20, 0x20, 0x20, + 0x20, 0x20, + /* 0-200Hz vertical, 0-200KHz horizontal, 1000MHz pixel clock */ + 0x20, + /* descriptor block 3, monitor name */ + 0x00, 0x00, 0x00, 0xFC, 0x00, + 'V', 'B', 'O', 'X', ' ', 'm', 'o', 'n', 'i', 't', 'o', 'r', + '\n', + /* descriptor block 4: dummy data */ + 0x00, 0x00, 0x00, 0x10, 0x00, + 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, + 0x20, 0x20, 0x20, 0x20, 0x20, 0x20, + 0x20, + 0x00, /* number of extensions */ + 0x00 /* checksum goes here */ + }; + int clock = (width + 6) * (height + 6) * 60 / 10000; + unsigned int i, sum = 0; + + edid[12] = width & 0xff; + edid[13] = width >> 8; + edid[14] = height & 0xff; + edid[15] = height >> 8; + edid[54] = clock & 0xff; + edid[55] = clock >> 8; + edid[56] = width & 0xff; + edid[58] = (width >> 4) & 0xf0; + edid[59] = height & 0xff; + edid[61] = (height >> 4) & 0xf0; + for (i = 0; i < EDID_SIZE - 1; ++i) + sum += edid[i]; + edid[EDID_SIZE - 1] = (0x100 - (sum & 0xFF)) & 0xFF; +#if RTLNX_VER_MIN(4,19,0) || RTLNX_RHEL_MAJ_PREREQ(7,7) || RTLNX_RHEL_MAJ_PREREQ(8,1) || RTLNX_SUSE_MAJ_PREREQ(15,1) || RTLNX_SUSE_MAJ_PREREQ(12,5) + drm_connector_update_edid_property(connector, (struct edid *)edid); +#else + drm_mode_connector_update_edid_property(connector, (struct edid *)edid); +#endif +} + +static int vbox_get_modes(struct drm_connector *connector) +{ + struct vbox_connector *vbox_connector = NULL; + struct drm_display_mode *mode = NULL; + struct vbox_private *vbox = NULL; + unsigned int num_modes = 0; + int preferred_width, preferred_height; + + vbox_connector = to_vbox_connector(connector); + vbox = connector->dev->dev_private; + /* + * Heuristic: we do not want to tell the host that we support dynamic + * resizing unless we feel confident that the user space client using + * the video driver can handle hot-plug events. So the first time modes + * are queried after a "master" switch we tell the host that we do not, + * and immediately after we send the client a hot-plug notification as + * a test to see if they will respond and query again. + * That is also the reason why capabilities are reported to the host at + * this place in the code rather than elsewhere. + * We need to report the flags location before reporting the IRQ + * capability. + */ + VBoxHGSMIReportFlagsLocation(vbox->guest_pool, GUEST_HEAP_OFFSET(vbox) + + HOST_FLAGS_OFFSET); + if (vbox_connector->vbox_crtc->crtc_id == 0) + vbox_report_caps(vbox); + if (!vbox->initial_mode_queried) { + if (vbox_connector->vbox_crtc->crtc_id == 0) { + vbox->initial_mode_queried = true; + vbox_report_hotplug(vbox); + } + return drm_add_modes_noedid(connector, 800, 600); + } + /* Also assume that a client which supports hot-plugging also knows + * how to update the screen in a way we can use, the only known + * relevent client which cannot is Plymouth in Ubuntu 14.04. */ + vbox->need_refresh_timer = false; + num_modes = drm_add_modes_noedid(connector, 2560, 1600); + preferred_width = vbox_connector->mode_hint.width ? + vbox_connector->mode_hint.width : 1024; + preferred_height = vbox_connector->mode_hint.height ? + vbox_connector->mode_hint.height : 768; + mode = drm_cvt_mode(connector->dev, preferred_width, preferred_height, + 60, false, false, false); + if (mode) { + mode->type |= DRM_MODE_TYPE_PREFERRED; + drm_mode_probed_add(connector, mode); + ++num_modes; + } + vbox_set_edid(connector, preferred_width, preferred_height); + +#if RTLNX_VER_MIN(3,19,0) || RTLNX_RHEL_MAJ_PREREQ(7,2) + if (vbox_connector->vbox_crtc->x_hint != -1) + drm_object_property_set_value(&connector->base, + vbox->dev->mode_config.suggested_x_property, + vbox_connector->vbox_crtc->x_hint); + else + drm_object_property_set_value(&connector->base, + vbox->dev->mode_config.suggested_x_property, 0); + + if (vbox_connector->vbox_crtc->y_hint != -1) + drm_object_property_set_value(&connector->base, + vbox->dev->mode_config.suggested_y_property, + vbox_connector->vbox_crtc->y_hint); + else + drm_object_property_set_value(&connector->base, + vbox->dev->mode_config.suggested_y_property, 0); +#endif + + return num_modes; +} + +#if RTLNX_VER_MAX(3,14,0) && !RTLNX_RHEL_MAJ_PREREQ(7,1) +static int vbox_mode_valid(struct drm_connector *connector, +#else +static enum drm_mode_status vbox_mode_valid(struct drm_connector *connector, +#endif + struct drm_display_mode *mode) +{ + return MODE_OK; +} + +static void vbox_connector_destroy(struct drm_connector *connector) +{ +#if RTLNX_VER_MAX(3,17,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2) + drm_sysfs_connector_remove(connector); +#else + drm_connector_unregister(connector); +#endif + drm_connector_cleanup(connector); + kfree(connector); +} + +static enum drm_connector_status +vbox_connector_detect(struct drm_connector *connector, bool force) +{ + struct vbox_connector *vbox_connector; + + vbox_connector = to_vbox_connector(connector); + + return vbox_connector->mode_hint.disconnected ? + connector_status_disconnected : connector_status_connected; +} + +static int vbox_fill_modes(struct drm_connector *connector, u32 max_x, + u32 max_y) +{ + struct vbox_connector *vbox_connector; + struct drm_device *dev; + struct drm_display_mode *mode, *iterator; + + vbox_connector = to_vbox_connector(connector); + dev = vbox_connector->base.dev; + list_for_each_entry_safe(mode, iterator, &connector->modes, head) { + list_del(&mode->head); + drm_mode_destroy(dev, mode); + } + + return drm_helper_probe_single_connector_modes(connector, max_x, max_y); +} + +static const struct drm_connector_helper_funcs vbox_connector_helper_funcs = { + .mode_valid = vbox_mode_valid, + .get_modes = vbox_get_modes, + .best_encoder = vbox_best_single_encoder, +}; + +static const struct drm_connector_funcs vbox_connector_funcs = { + .dpms = drm_helper_connector_dpms, + .detect = vbox_connector_detect, + .fill_modes = vbox_fill_modes, + .destroy = vbox_connector_destroy, +}; + +static int vbox_connector_init(struct drm_device *dev, + struct vbox_crtc *vbox_crtc, + struct drm_encoder *encoder) +{ + struct vbox_connector *vbox_connector; + struct drm_connector *connector; + + vbox_connector = kzalloc(sizeof(*vbox_connector), GFP_KERNEL); + if (!vbox_connector) + return -ENOMEM; + + connector = &vbox_connector->base; + vbox_connector->vbox_crtc = vbox_crtc; + + drm_connector_init(dev, connector, &vbox_connector_funcs, + DRM_MODE_CONNECTOR_VGA); + drm_connector_helper_add(connector, &vbox_connector_helper_funcs); + + connector->interlace_allowed = 0; + connector->doublescan_allowed = 0; + +#if RTLNX_VER_MIN(3,19,0) || RTLNX_RHEL_MAJ_PREREQ(7,2) + drm_mode_create_suggested_offset_properties(dev); + drm_object_attach_property(&connector->base, + dev->mode_config.suggested_x_property, 0); + drm_object_attach_property(&connector->base, + dev->mode_config.suggested_y_property, 0); +#endif +#if RTLNX_VER_MAX(3,17,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2) + drm_sysfs_connector_add(connector); +#else + drm_connector_register(connector); +#endif + +#if RTLNX_VER_MIN(4,19,0) || RTLNX_RHEL_MAJ_PREREQ(7,7) || RTLNX_RHEL_MAJ_PREREQ(8,1) || RTLNX_SUSE_MAJ_PREREQ(15,1) || RTLNX_SUSE_MAJ_PREREQ(12,5) + drm_connector_attach_encoder(connector, encoder); +#else + drm_mode_connector_attach_encoder(connector, encoder); +#endif + + return 0; +} + +int vbox_mode_init(struct drm_device *dev) +{ + struct vbox_private *vbox = dev->dev_private; + struct drm_encoder *encoder; + struct vbox_crtc *vbox_crtc; + unsigned int i; + int ret; + + /* vbox_cursor_init(dev); */ + for (i = 0; i < vbox->num_crtcs; ++i) { + vbox_crtc = vbox_crtc_init(dev, i); + if (!vbox_crtc) + return -ENOMEM; + encoder = vbox_encoder_init(dev, i); + if (!encoder) + return -ENOMEM; + ret = vbox_connector_init(dev, vbox_crtc, encoder); + if (ret) + return ret; + } + + return 0; +} + +void vbox_mode_fini(struct drm_device *dev) +{ + /* vbox_cursor_fini(dev); */ +} + +/** + * Copy the ARGB image and generate the mask, which is needed in case the host + * does not support ARGB cursors. The mask is a 1BPP bitmap with the bit set + * if the corresponding alpha value in the ARGB image is greater than 0xF0. + */ +static void copy_cursor_image(u8 *src, u8 *dst, u32 width, u32 height, + size_t mask_size) +{ + size_t line_size = (width + 7) / 8; + u32 i, j; + + memcpy(dst + mask_size, src, width * height * 4); + for (i = 0; i < height; ++i) + for (j = 0; j < width; ++j) + if (((u32 *)src)[i * width + j] > 0xf0000000) + dst[i * line_size + j / 8] |= (0x80 >> (j % 8)); +} + +static int vbox_cursor_set2(struct drm_crtc *crtc, struct drm_file *file_priv, + u32 handle, u32 width, u32 height, + s32 hot_x, s32 hot_y) +{ + struct vbox_private *vbox = crtc->dev->dev_private; + struct vbox_crtc *vbox_crtc = to_vbox_crtc(crtc); + struct ttm_bo_kmap_obj uobj_map; + size_t data_size, mask_size; + struct drm_gem_object *obj; + u32 flags, caps = 0; + struct vbox_bo *bo; + bool src_isiomem; + u8 *dst = NULL; + u8 *src; + int ret; + + if (!handle) { + bool cursor_enabled = false; + struct drm_crtc *crtci; + + /* Hide cursor. */ + vbox_crtc->cursor_enabled = false; + list_for_each_entry(crtci, &vbox->dev->mode_config.crtc_list, + head) { + if (to_vbox_crtc(crtci)->cursor_enabled) + cursor_enabled = true; + } + + if (!cursor_enabled) + VBoxHGSMIUpdatePointerShape(vbox->guest_pool, 0, 0, 0, + 0, 0, NULL, 0); + return 0; + } + + vbox_crtc->cursor_enabled = true; + + if (width > VBOX_MAX_CURSOR_WIDTH || height > VBOX_MAX_CURSOR_HEIGHT || + width == 0 || height == 0) + return -EINVAL; + ret = VBoxQueryConfHGSMI(vbox->guest_pool, + VBOX_VBVA_CONF32_CURSOR_CAPABILITIES, &caps); + if (ret) + return ret == VERR_NO_MEMORY ? -ENOMEM : -EINVAL; + + if (!(caps & VBOX_VBVA_CURSOR_CAPABILITY_HARDWARE)) { + /* + * -EINVAL means cursor_set2() not supported, -EAGAIN means + * retry at once. + */ + return -EBUSY; + } + +#if RTLNX_VER_MIN(4,7,0) || RTLNX_RHEL_MAJ_PREREQ(7,4) + obj = drm_gem_object_lookup(file_priv, handle); +#else + obj = drm_gem_object_lookup(crtc->dev, file_priv, handle); +#endif + if (!obj) { + DRM_ERROR("Cannot find cursor object %x for crtc\n", handle); + return -ENOENT; + } + + bo = gem_to_vbox_bo(obj); + ret = vbox_bo_reserve(bo, false); + if (ret) + goto out_unref_obj; + + /* + * The mask must be calculated based on the alpha + * channel, one bit per ARGB word, and must be 32-bit + * padded. + */ + mask_size = ((width + 7) / 8 * height + 3) & ~3; + data_size = width * height * 4 + mask_size; + vbox->cursor_hot_x = hot_x; + vbox->cursor_hot_y = hot_y; + vbox->cursor_width = width; + vbox->cursor_height = height; + vbox->cursor_data_size = data_size; + dst = vbox->cursor_data; + +#if RTLNX_VER_MIN(6,4,0) + /* Make sure bo is in SYSTEM (main) memory, so we can access it directly. */ + ret = vbox_bo_pin(bo, VBOX_MEM_TYPE_SYSTEM, NULL); + if (ret) + { + DRM_ERROR("cannot pin bo to main memory\n"); + goto out_bo_unpin; + } +#endif + +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + ret = ttm_bo_kmap(&bo->bo, 0, VBOX_BO_RESOURCE_NUM_PAGES(bo->bo.resource), &uobj_map); +#elif RTLNX_VER_MIN(5,12,0) || RTLNX_RHEL_MAJ_PREREQ(8,5) + ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.mem.num_pages, &uobj_map); +#else + ret = ttm_bo_kmap(&bo->bo, 0, bo->bo.num_pages, &uobj_map); +#endif + if (ret) { + vbox->cursor_data_size = 0; + goto out_unreserve_bo; + } + + src = ttm_kmap_obj_virtual(&uobj_map, &src_isiomem); + if (src_isiomem) { + DRM_ERROR("src cursor bo not in main memory\n"); + ret = -EIO; + goto out_unmap_bo; + } + + copy_cursor_image(src, dst, width, height, mask_size); + + flags = VBOX_MOUSE_POINTER_VISIBLE | VBOX_MOUSE_POINTER_SHAPE | + VBOX_MOUSE_POINTER_ALPHA; + ret = VBoxHGSMIUpdatePointerShape(vbox->guest_pool, flags, + vbox->cursor_hot_x, vbox->cursor_hot_y, + width, height, dst, data_size); + ret = ret == VINF_SUCCESS ? 0 : ret == VERR_NO_MEMORY ? -ENOMEM : + ret == VERR_NOT_SUPPORTED ? -EBUSY : -EINVAL; + +out_unmap_bo: + ttm_bo_kunmap(&uobj_map); +#if RTLNX_VER_MIN(6,4,0) +out_bo_unpin: + vbox_bo_unpin(bo); +#endif +out_unreserve_bo: + vbox_bo_unreserve(bo); +out_unref_obj: +#if RTLNX_VER_MIN(5,9,0) || RTLNX_RHEL_MIN(8,4) || RTLNX_SUSE_MAJ_PREREQ(15,3) + drm_gem_object_put(obj); +#else + drm_gem_object_put_unlocked(obj); +#endif + + return ret; +} + +static int vbox_cursor_move(struct drm_crtc *crtc, int x, int y) +{ + struct vbox_private *vbox = crtc->dev->dev_private; + s32 crtc_x = + vbox->single_framebuffer ? crtc->x : to_vbox_crtc(crtc)->x_hint; + s32 crtc_y = + vbox->single_framebuffer ? crtc->y : to_vbox_crtc(crtc)->y_hint; + int ret; + + x += vbox->cursor_hot_x; + y += vbox->cursor_hot_y; + if (x + crtc_x < 0 || y + crtc_y < 0 || + x + crtc_x >= vbox->input_mapping_width || + y + crtc_y >= vbox->input_mapping_width || + vbox->cursor_data_size == 0) + return 0; + ret = VBoxHGSMICursorPosition(vbox->guest_pool, true, x + crtc_x, + y + crtc_y, NULL, NULL); + return ret == VINF_SUCCESS ? 0 : ret == VERR_NO_MEMORY ? -ENOMEM : ret == + VERR_NOT_SUPPORTED ? -EBUSY : -EINVAL; +} diff --git a/src/VBox/Additions/linux/drm/vbox_prime.c b/src/VBox/Additions/linux/drm/vbox_prime.c new file mode 100644 index 00000000..87cf0a99 --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_prime.c @@ -0,0 +1,82 @@ +/* + * Copyright (C) 2017-2023 Oracle and/or its affiliates. + * This file is based on qxl_prime.c + * Copyright 2017 Canonical + * + * 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. + * + * Authors: Andreas Pokorny + */ + +#include "vbox_drv.h" + +/* + * Based on qxl_prime.c: + * Empty Implementations as there should not be any other driver for a virtual + * device that might share buffers with vboxvideo + */ + +int vbox_gem_prime_pin(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return -ENOSYS; +} + +void vbox_gem_prime_unpin(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); +} + +struct sg_table *vbox_gem_prime_get_sg_table(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +#if RTLNX_VER_MAX(3,18,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2) +struct drm_gem_object *vbox_gem_prime_import_sg_table( + struct drm_device *dev, size_t size, struct sg_table *table) +#else +struct drm_gem_object *vbox_gem_prime_import_sg_table( + struct drm_device *dev, struct dma_buf_attachment *attach, + struct sg_table *table) +#endif +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +void *vbox_gem_prime_vmap(struct drm_gem_object *obj) +{ + WARN_ONCE(1, "not implemented"); + return ERR_PTR(-ENOSYS); +} + +void vbox_gem_prime_vunmap(struct drm_gem_object *obj, void *vaddr) +{ + WARN_ONCE(1, "not implemented"); +} + +#if RTLNX_VER_MAX(6,6,0) && !RTLNX_RHEL_RANGE(9,4, 9,99) +int vbox_gem_prime_mmap(struct drm_gem_object *obj, struct vm_area_struct *area) +{ + WARN_ONCE(1, "not implemented"); + return -ENOSYS; +} +#endif diff --git a/src/VBox/Additions/linux/drm/vbox_ttm.c b/src/VBox/Additions/linux/drm/vbox_ttm.c new file mode 100644 index 00000000..d020aa3f --- /dev/null +++ b/src/VBox/Additions/linux/drm/vbox_ttm.c @@ -0,0 +1,843 @@ +/* $Id: vbox_ttm.c $ */ +/** @file + * VirtualBox Additions Linux kernel video driver + */ + +/* + * Copyright (C) 2013-2023 Oracle and/or its affiliates. + * This file is based on ast_ttm.c + * Copyright 2012 Red Hat Inc. + * + * 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * + * Authors: Dave Airlie <airlied@redhat.com> + * Michael Thayer <michael.thayer@oracle.com> + */ +#include "vbox_drv.h" + +#if RTLNX_VER_MIN(6,3,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_MAJ_PREREQ(9,3) +# include <drm/ttm/ttm_tt.h> +#endif + +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_MAJ_PREREQ(8,5) +# include <drm/drm_gem.h> +# include <drm/drm_gem_ttm_helper.h> +# include <drm/drm_gem_vram_helper.h> +#else +# include <drm/ttm/ttm_page_alloc.h> +#endif + +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) +# include <drm/ttm/ttm_range_manager.h> +#endif + +#if RTLNX_VER_MAX(3,18,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2) +#define PLACEMENT_FLAGS(placement) (placement) +#else +#define PLACEMENT_FLAGS(placement) ((placement).flags) +#endif + + +#if RTLNX_VER_MIN(5,13,0) || RTLNX_RHEL_RANGE(8,6, 8,99) +static inline struct vbox_private *vbox_bdev(struct ttm_device *bd) +#else +static inline struct vbox_private *vbox_bdev(struct ttm_bo_device *bd) +#endif +{ + return container_of(bd, struct vbox_private, ttm.bdev); +} + +#if RTLNX_VER_MAX(5,0,0) && !RTLNX_RHEL_MAJ_PREREQ(7,7) && !RTLNX_RHEL_MAJ_PREREQ(8,1) +static int vbox_ttm_mem_global_init(struct drm_global_reference *ref) +{ + return ttm_mem_global_init(ref->object); +} + +static void vbox_ttm_mem_global_release(struct drm_global_reference *ref) +{ + ttm_mem_global_release(ref->object); +} + +/** + * Adds the vbox memory manager object/structures to the global memory manager. + */ +static int vbox_ttm_global_init(struct vbox_private *vbox) +{ + struct drm_global_reference *global_ref; + int ret; + +#if RTLNX_VER_MAX(5,0,0) + global_ref = &vbox->ttm.mem_global_ref; + global_ref->global_type = DRM_GLOBAL_TTM_MEM; + global_ref->size = sizeof(struct ttm_mem_global); + global_ref->init = &vbox_ttm_mem_global_init; + global_ref->release = &vbox_ttm_mem_global_release; + ret = drm_global_item_ref(global_ref); + if (ret) { + DRM_ERROR("Failed setting up TTM memory subsystem.\n"); + return ret; + } + + vbox->ttm.bo_global_ref.mem_glob = vbox->ttm.mem_global_ref.object; +#endif + global_ref = &vbox->ttm.bo_global_ref.ref; + global_ref->global_type = DRM_GLOBAL_TTM_BO; + global_ref->size = sizeof(struct ttm_bo_global); + global_ref->init = &ttm_bo_global_init; + global_ref->release = &ttm_bo_global_release; + + ret = drm_global_item_ref(global_ref); + if (ret) { + DRM_ERROR("Failed setting up TTM BO subsystem.\n"); +#if RTLNX_VER_MAX(5,0,0) + drm_global_item_unref(&vbox->ttm.mem_global_ref); +#endif + return ret; + } + + return 0; +} + +/** + * Removes the vbox memory manager object from the global memory manager. + */ +static void vbox_ttm_global_release(struct vbox_private *vbox) +{ + drm_global_item_unref(&vbox->ttm.bo_global_ref.ref); + drm_global_item_unref(&vbox->ttm.mem_global_ref); +} +#endif + +static void vbox_bo_ttm_destroy(struct ttm_buffer_object *tbo) +{ + struct vbox_bo *bo; + + bo = container_of(tbo, struct vbox_bo, bo); + + drm_gem_object_release(&bo->gem); + kfree(bo); +} + +static bool vbox_ttm_bo_is_vbox_bo(struct ttm_buffer_object *bo) +{ + if (bo->destroy == &vbox_bo_ttm_destroy) + return true; + + return false; +} + +#if RTLNX_VER_MAX(5,10,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) +static int +vbox_bo_init_mem_type(struct ttm_bo_device *bdev, u32 type, + struct ttm_mem_type_manager *man) +{ + switch (type) { + case TTM_PL_SYSTEM: + man->flags = TTM_MEMTYPE_FLAG_MAPPABLE; + man->available_caching = TTM_PL_MASK_CACHING; + man->default_caching = TTM_PL_FLAG_CACHED; + break; + case TTM_PL_VRAM: + man->func = &ttm_bo_manager_func; + man->flags = TTM_MEMTYPE_FLAG_FIXED | TTM_MEMTYPE_FLAG_MAPPABLE; + man->available_caching = TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_WC; + man->default_caching = TTM_PL_FLAG_WC; + break; + default: + DRM_ERROR("Unsupported memory type %u\n", (unsigned int)type); + return -EINVAL; + } + + return 0; +} +#endif + +static void +vbox_bo_evict_flags(struct ttm_buffer_object *bo, struct ttm_placement *pl) +{ + struct vbox_bo *vboxbo = vbox_bo(bo); + + if (!vbox_ttm_bo_is_vbox_bo(bo)) + return; + + vbox_ttm_placement(vboxbo, VBOX_MEM_TYPE_SYSTEM); + *pl = vboxbo->placement; +} + +#if RTLNX_VER_MAX(5,14,0) && !RTLNX_RHEL_RANGE(8,6, 8,99) +static int vbox_bo_verify_access(struct ttm_buffer_object *bo, + struct file *filp) +{ + return 0; +} +#endif + +#if RTLNX_VER_MAX(5,10,0) && !RTLNX_RHEL_RANGE(8,5, 8,99) +static int vbox_ttm_io_mem_reserve(struct ttm_bo_device *bdev, + struct ttm_mem_reg *mem) +{ + struct vbox_private *vbox = vbox_bdev(bdev); + struct ttm_mem_type_manager *man = &bdev->man[mem->mem_type]; + + mem->bus.addr = NULL; + mem->bus.offset = 0; + mem->bus.size = mem->num_pages << PAGE_SHIFT; + mem->bus.base = 0; + mem->bus.is_iomem = false; + if (!(man->flags & TTM_MEMTYPE_FLAG_MAPPABLE)) + return -EINVAL; + switch (mem->mem_type) { + case TTM_PL_SYSTEM: + /* system memory */ + return 0; + case TTM_PL_VRAM: + mem->bus.offset = mem->start << PAGE_SHIFT; + mem->bus.base = pci_resource_start(vbox->dev->pdev, 0); + mem->bus.is_iomem = true; + break; + default: + return -EINVAL; + } + return 0; +} +#else +# if RTLNX_VER_MAX(5,13,0) && !RTLNX_RHEL_RANGE(8,6, 8,99) +static int vbox_ttm_io_mem_reserve(struct ttm_bo_device *bdev, + struct ttm_resource *mem) +# else /* > 5.13.0 */ +static int vbox_ttm_io_mem_reserve(struct ttm_device *bdev, + struct ttm_resource *mem) +# endif /* > 5.13.0 */ +{ + struct vbox_private *vbox = vbox_bdev(bdev); + mem->bus.addr = NULL; + mem->bus.offset = 0; +# if RTLNX_VER_MAX(5,12,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + mem->size = mem->num_pages << PAGE_SHIFT; +# endif + mem->start = 0; + mem->bus.is_iomem = false; + switch (mem->mem_type) { + case TTM_PL_SYSTEM: + /* system memory */ + return 0; + case TTM_PL_VRAM: +# if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + mem->bus.caching = ttm_write_combined; +# endif +# if RTLNX_VER_MIN(5,10,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + mem->bus.offset = (mem->start << PAGE_SHIFT) + pci_resource_start(VBOX_DRM_TO_PCI_DEV(vbox->dev), 0); +# else + mem->bus.offset = mem->start << PAGE_SHIFT; + mem->start = pci_resource_start(VBOX_DRM_TO_PCI_DEV(vbox->dev), 0); +# endif + mem->bus.is_iomem = true; + break; + default: + return -EINVAL; + } + return 0; +} +#endif + + + +#if RTLNX_VER_MIN(5,13,0) || RTLNX_RHEL_RANGE(8,6, 8,99) +static void vbox_ttm_io_mem_free(struct ttm_device *bdev, + struct ttm_resource *mem) +{ +} +#elif RTLNX_VER_MIN(5,10,0) || RTLNX_RHEL_RANGE(8,5, 8,99) +static void vbox_ttm_io_mem_free(struct ttm_bo_device *bdev, + struct ttm_resource *mem) +{ +} +#else +static void vbox_ttm_io_mem_free(struct ttm_bo_device *bdev, + struct ttm_mem_reg *mem) +{ +} +#endif + +#if RTLNX_VER_MIN(5,13,0) || RTLNX_RHEL_RANGE(8,6, 8,99) +static void vbox_ttm_tt_destroy(struct ttm_device *bdev, struct ttm_tt *tt) +{ + ttm_tt_fini(tt); + kfree(tt); +} +#elif RTLNX_VER_MIN(5,10,0) || RTLNX_RHEL_RANGE(8,5, 8,99) +static void vbox_ttm_tt_destroy(struct ttm_bo_device *bdev, struct ttm_tt *tt) +{ + ttm_tt_fini(tt); + kfree(tt); +} +#else +static void vbox_ttm_backend_destroy(struct ttm_tt *tt) +{ + ttm_tt_fini(tt); + kfree(tt); +} + +static struct ttm_backend_func vbox_tt_backend_func = { + .destroy = &vbox_ttm_backend_destroy, +}; +#endif + +#if RTLNX_VER_MAX(4,17,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) +static struct ttm_tt *vbox_ttm_tt_create(struct ttm_bo_device *bdev, + unsigned long size, + u32 page_flags, + struct page *dummy_read_page) +#else +static struct ttm_tt *vbox_ttm_tt_create(struct ttm_buffer_object *bo, + u32 page_flags) +#endif +{ + struct ttm_tt *tt; + + tt = kzalloc(sizeof(*tt), GFP_KERNEL); + if (!tt) + return NULL; + +#if RTLNX_VER_MAX(5,10,0) && !RTLNX_RHEL_RANGE(8,5, 8,99) + tt->func = &vbox_tt_backend_func; +#endif +#if RTLNX_VER_MIN(5,19,0) || RTLNX_RHEL_RANGE(8,8, 8,99) || RTLNX_RHEL_RANGE(9,2, 9,99) || RTLNX_SUSE_MAJ_PREREQ(15,5) + if (ttm_tt_init(tt, bo, page_flags, ttm_write_combined, 0)) { +#elif RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + if (ttm_tt_init(tt, bo, page_flags, ttm_write_combined)) { +#elif RTLNX_VER_MIN(4,17,0) || RTLNX_RHEL_MAJ_PREREQ(7,6) || RTLNX_SUSE_MAJ_PREREQ(15,1) || RTLNX_SUSE_MAJ_PREREQ(12,5) + if (ttm_tt_init(tt, bo, page_flags)) { +#else + if (ttm_tt_init(tt, bdev, size, page_flags, dummy_read_page)) { +#endif + + kfree(tt); + return NULL; + } + + return tt; +} + +#if RTLNX_VER_MAX(4,17,0) +# if RTLNX_VER_MAX(4,16,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) +static int vbox_ttm_tt_populate(struct ttm_tt *ttm) +{ + return ttm_pool_populate(ttm); +} +# else +static int vbox_ttm_tt_populate(struct ttm_tt *ttm, + struct ttm_operation_ctx *ctx) +{ + return ttm_pool_populate(ttm, ctx); +} +# endif + +static void vbox_ttm_tt_unpopulate(struct ttm_tt *ttm) +{ + ttm_pool_unpopulate(ttm); +} +#endif + +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) +static int vbox_bo_move(struct ttm_buffer_object *bo, bool evict, + struct ttm_operation_ctx *ctx, struct ttm_resource *new_mem, + struct ttm_place *hop) +{ +# if RTLNX_VER_MIN(6,4,0) + if (!bo->resource) + { + if (new_mem->mem_type != TTM_PL_SYSTEM) + { + hop->mem_type = TTM_PL_SYSTEM; + hop->flags = TTM_PL_FLAG_TEMPORARY; + return -EMULTIHOP; + } + ttm_bo_move_null(bo, new_mem); + return 0; + } +# endif + return ttm_bo_move_memcpy(bo, ctx, new_mem); +} +#endif + +#if RTLNX_VER_MIN(5,13,0) || RTLNX_RHEL_RANGE(8,6, 8,99) +static struct ttm_device_funcs vbox_bo_driver = { +#else /* < 5.13.0 */ +static struct ttm_bo_driver vbox_bo_driver = { +#endif /* < 5.13.0 */ + .ttm_tt_create = vbox_ttm_tt_create, +#if RTLNX_VER_MIN(5,10,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + .ttm_tt_destroy = vbox_ttm_tt_destroy, +#endif +#if RTLNX_VER_MAX(4,17,0) + .ttm_tt_populate = vbox_ttm_tt_populate, + .ttm_tt_unpopulate = vbox_ttm_tt_unpopulate, +#endif +#if RTLNX_VER_MAX(5,10,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + .init_mem_type = vbox_bo_init_mem_type, +#endif +#if RTLNX_VER_MIN(4,10,0) || RTLNX_RHEL_MAJ_PREREQ(7,4) + .eviction_valuable = ttm_bo_eviction_valuable, +#endif + .evict_flags = vbox_bo_evict_flags, +#if RTLNX_VER_MAX(5,14,0) && !RTLNX_RHEL_RANGE(8,6, 8,99) + .verify_access = vbox_bo_verify_access, +#endif + .io_mem_reserve = &vbox_ttm_io_mem_reserve, + .io_mem_free = &vbox_ttm_io_mem_free, +#if RTLNX_VER_MIN(4,12,0) || RTLNX_RHEL_MAJ_PREREQ(7,5) +# if RTLNX_VER_MAX(4,16,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) + .io_mem_pfn = ttm_bo_default_io_mem_pfn, +# endif +#endif +#if (RTLNX_VER_RANGE(4,7,0, 4,11,0) || RTLNX_RHEL_MAJ_PREREQ(7,4)) && !RTLNX_RHEL_MAJ_PREREQ(7,5) + .lru_tail = &ttm_bo_default_lru_tail, + .swap_lru_tail = &ttm_bo_default_swap_lru_tail, +#endif +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + .move = &vbox_bo_move, +#endif +}; + +int vbox_mm_init(struct vbox_private *vbox) +{ + int ret; + struct drm_device *dev = vbox->dev; +#if RTLNX_VER_MIN(5,13,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + struct ttm_device *bdev = &vbox->ttm.bdev; +#else + struct ttm_bo_device *bdev = &vbox->ttm.bdev; +#endif + +#if RTLNX_VER_MAX(5,0,0) && !RTLNX_RHEL_MAJ_PREREQ(7,7) && !RTLNX_RHEL_MAJ_PREREQ(8,1) + ret = vbox_ttm_global_init(vbox); + if (ret) + return ret; +#endif +#if RTLNX_VER_MIN(5,13,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + ret = ttm_device_init(&vbox->ttm.bdev, +#else + ret = ttm_bo_device_init(&vbox->ttm.bdev, +#endif +#if RTLNX_VER_MAX(5,0,0) && !RTLNX_RHEL_MAJ_PREREQ(7,7) && !RTLNX_RHEL_MAJ_PREREQ(8,1) + vbox->ttm.bo_global_ref.ref.object, +#endif + &vbox_bo_driver, +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + dev->dev, +#endif +#if RTLNX_VER_MIN(3,15,0) || RTLNX_RHEL_MAJ_PREREQ(7,1) + dev->anon_inode->i_mapping, +#endif +#if RTLNX_VER_MIN(5,5,0) || RTLNX_RHEL_MIN(8,3) || RTLNX_SUSE_MAJ_PREREQ(15,3) + dev->vma_offset_manager, +#elif RTLNX_VER_MAX(5,2,0) && !RTLNX_RHEL_MAJ_PREREQ(8,2) + DRM_FILE_PAGE_OFFSET, +#endif +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + false, +#endif + true); + if (ret) { + DRM_ERROR("Error initialising bo driver; %d\n", ret); +#if RTLNX_VER_MAX(5,0,0) && !RTLNX_RHEL_MAJ_PREREQ(7,7) && !RTLNX_RHEL_MAJ_PREREQ(8,1) + goto err_ttm_global_release; +#else + return ret; +#endif + } + +#if RTLNX_VER_MIN(5,10,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + ret = ttm_range_man_init(bdev, TTM_PL_VRAM, false, + vbox->available_vram_size >> PAGE_SHIFT); +#else + ret = ttm_bo_init_mm(bdev, TTM_PL_VRAM, + vbox->available_vram_size >> PAGE_SHIFT); +#endif + if (ret) { + DRM_ERROR("Failed ttm VRAM init: %d\n", ret); + goto err_device_release; + } + +#ifdef DRM_MTRR_WC + vbox->fb_mtrr = drm_mtrr_add(pci_resource_start(VBOX_DRM_TO_PCI_DEV(dev), 0), + pci_resource_len(VBOX_DRM_TO_PCI_DEV(dev), 0), + DRM_MTRR_WC); +#else + vbox->fb_mtrr = arch_phys_wc_add(pci_resource_start(VBOX_DRM_TO_PCI_DEV(dev), 0), + pci_resource_len(VBOX_DRM_TO_PCI_DEV(dev), 0)); +#endif + return 0; + +err_device_release: +#if RTLNX_VER_MIN(5,13,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + ttm_device_fini(&vbox->ttm.bdev); +#else + ttm_bo_device_release(&vbox->ttm.bdev); +#endif +#if RTLNX_VER_MAX(5,0,0) && !RTLNX_RHEL_MAJ_PREREQ(7,7) && !RTLNX_RHEL_MAJ_PREREQ(8,1) +err_ttm_global_release: + vbox_ttm_global_release(vbox); +#endif + return ret; +} + +void vbox_mm_fini(struct vbox_private *vbox) +{ +#ifdef DRM_MTRR_WC + drm_mtrr_del(vbox->fb_mtrr, + pci_resource_start(VBOX_DRM_TO_PCI_DEV(vbox->dev), 0), + pci_resource_len(VBOX_DRM_TO_PCI_DEV(vbox->dev), 0), DRM_MTRR_WC); +#else + arch_phys_wc_del(vbox->fb_mtrr); +#endif +#if RTLNX_VER_MIN(5,13,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + ttm_device_fini(&vbox->ttm.bdev); +#else + ttm_bo_device_release(&vbox->ttm.bdev); +#endif +#if RTLNX_VER_MAX(5,0,0) && !RTLNX_RHEL_MAJ_PREREQ(7,7) && !RTLNX_RHEL_MAJ_PREREQ(8,1) + vbox_ttm_global_release(vbox); +#endif +} + +void vbox_ttm_placement(struct vbox_bo *bo, u32 mem_type) +{ + u32 c = 0; +#if RTLNX_VER_MAX(3,18,0) && !RTLNX_RHEL_MAJ_PREREQ(7,2) + bo->placement.fpfn = 0; + bo->placement.lpfn = 0; +#else + unsigned int i; +#endif + + bo->placement.placement = bo->placements; + bo->placement.busy_placement = bo->placements; + + if (mem_type & VBOX_MEM_TYPE_VRAM) { +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + bo->placements[c].mem_type = TTM_PL_VRAM; + PLACEMENT_FLAGS(bo->placements[c++]) = 0; +#elif RTLNX_VER_MIN(5,10,0) + bo->placements[c].mem_type = TTM_PL_VRAM; + PLACEMENT_FLAGS(bo->placements[c++]) = + TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED; +#else + PLACEMENT_FLAGS(bo->placements[c++]) = + TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | TTM_PL_FLAG_VRAM; +#endif + } + if (mem_type & VBOX_MEM_TYPE_SYSTEM) { +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + bo->placements[c].mem_type = TTM_PL_SYSTEM; + PLACEMENT_FLAGS(bo->placements[c++]) = 0; +#elif RTLNX_VER_MIN(5,10,0) + bo->placements[c].mem_type = TTM_PL_SYSTEM; + PLACEMENT_FLAGS(bo->placements[c++]) = + TTM_PL_MASK_CACHING; +#else + PLACEMENT_FLAGS(bo->placements[c++]) = + TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; +#endif + } + if (!c) { +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + bo->placements[c].mem_type = TTM_PL_SYSTEM; + PLACEMENT_FLAGS(bo->placements[c++]) = 0; +#elif RTLNX_VER_MIN(5,10,0) + bo->placements[c].mem_type = TTM_PL_SYSTEM; + PLACEMENT_FLAGS(bo->placements[c++]) = + TTM_PL_MASK_CACHING; +#else + PLACEMENT_FLAGS(bo->placements[c++]) = + TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM; +#endif + } + + bo->placement.num_placement = c; + bo->placement.num_busy_placement = c; + +#if RTLNX_VER_MIN(3,18,0) || RTLNX_RHEL_MAJ_PREREQ(7,2) + for (i = 0; i < c; ++i) { + bo->placements[i].fpfn = 0; + bo->placements[i].lpfn = 0; + } +#endif +} + +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) +static const struct drm_gem_object_funcs vbox_drm_gem_object_funcs = { + .free = vbox_gem_free_object, + .print_info = drm_gem_ttm_print_info, +# if RTLNX_VER_MIN(6,5,0) + .vmap = drm_gem_ttm_vmap, + .vunmap = drm_gem_ttm_vunmap, +# endif +# if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + .mmap = drm_gem_ttm_mmap, +# endif +}; +#endif + +int vbox_bo_create(struct drm_device *dev, int size, int align, + u32 flags, struct vbox_bo **pvboxbo) +{ + struct vbox_private *vbox = dev->dev_private; + struct vbox_bo *vboxbo; +#if RTLNX_VER_MAX(5,13,0) && !RTLNX_RHEL_RANGE(8,6, 8,99) + size_t acc_size; +#endif + int ret; + + vboxbo = kzalloc(sizeof(*vboxbo), GFP_KERNEL); + if (!vboxbo) + return -ENOMEM; + + ret = drm_gem_object_init(dev, &vboxbo->gem, size); + if (ret) + goto err_free_vboxbo; + +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + if (!vboxbo->gem.funcs) { + vboxbo->gem.funcs = &vbox_drm_gem_object_funcs; + } +#endif + vboxbo->bo.bdev = &vbox->ttm.bdev; +#if RTLNX_VER_MAX(3,15,0) && !RTLNX_RHEL_MAJ_PREREQ(7,1) + vboxbo->bo.bdev->dev_mapping = dev->dev_mapping; +#endif + + vbox_ttm_placement(vboxbo, VBOX_MEM_TYPE_VRAM | VBOX_MEM_TYPE_SYSTEM); + +#if RTLNX_VER_MAX(5,13,0) && !RTLNX_RHEL_RANGE(8,6, 8,99) + acc_size = ttm_bo_dma_acc_size(&vbox->ttm.bdev, size, + sizeof(struct vbox_bo)); +#endif + +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + /* Initialization of the following was removed from DRM stack + * in 5.14, so we need to do it manually. */ + vboxbo->bo.base.funcs = &vbox_drm_gem_object_funcs; + kref_init(&vboxbo->bo.base.refcount); + vboxbo->bo.base.size = size; + vboxbo->bo.base.dev = dev; + dma_resv_init(&vboxbo->bo.base._resv); + drm_vma_node_reset(&vboxbo->bo.base.vma_node); +#endif + +#if RTLNX_VER_MIN(6,1,0) || RTLNX_RHEL_RANGE(8,9, 8,99) || RTLNX_RHEL_RANGE(9,3, 9,99) || RTLNX_SUSE_MAJ_PREREQ(15,5) + ret = ttm_bo_init_validate(&vbox->ttm.bdev, &vboxbo->bo, +#else + ret = ttm_bo_init(&vbox->ttm.bdev, &vboxbo->bo, size, +#endif /* < 6.1.0 */ + ttm_bo_type_device, &vboxbo->placement, +#if RTLNX_VER_MAX(4,17,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) + align >> PAGE_SHIFT, false, NULL, acc_size, +#elif RTLNX_VER_MAX(5,13,0) && !RTLNX_RHEL_RANGE(8,6, 8,99) /* < 5.13.0, < RHEL(8.6, 8.99) */ + align >> PAGE_SHIFT, false, acc_size, +#else /* > 5.13.0 */ + align >> PAGE_SHIFT, false, +#endif /* > 5.13.0 */ +#if RTLNX_VER_MIN(3,18,0) || RTLNX_RHEL_MAJ_PREREQ(7,2) + NULL, NULL, vbox_bo_ttm_destroy); +#else + NULL, vbox_bo_ttm_destroy); +#endif + if (ret) + { + /* In case of failure, ttm_bo_init() supposed to call + * vbox_bo_ttm_destroy() which in turn will free @vboxbo. */ + goto err_exit; + } + + *pvboxbo = vboxbo; + + return 0; + +err_free_vboxbo: + kfree(vboxbo); +err_exit: + return ret; +} + +static inline u64 vbox_bo_gpu_offset(struct vbox_bo *bo) +{ +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + return bo->bo.resource->start << PAGE_SHIFT; +#elif RTLNX_VER_MIN(5,9,0) || RTLNX_RHEL_MIN(8,4) || RTLNX_SUSE_MAJ_PREREQ(15,3) + return bo->bo.mem.start << PAGE_SHIFT; +#else + return bo->bo.offset; +#endif +} + +int vbox_bo_pin(struct vbox_bo *bo, u32 mem_type, u64 *gpu_addr) +{ +#if RTLNX_VER_MIN(4,16,0) || RTLNX_RHEL_MAJ_PREREQ(7,6) || RTLNX_SUSE_MAJ_PREREQ(15,1) || RTLNX_SUSE_MAJ_PREREQ(12,5) + struct ttm_operation_ctx ctx = { false, false }; +#endif + int ret; +#if RTLNX_VER_MAX(5,11,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + int i; +#endif + + if (bo->pin_count) { + bo->pin_count++; + if (gpu_addr) + *gpu_addr = vbox_bo_gpu_offset(bo); + + return 0; + } + + vbox_ttm_placement(bo, mem_type); + +#if RTLNX_VER_MAX(5,11,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + for (i = 0; i < bo->placement.num_placement; i++) + PLACEMENT_FLAGS(bo->placements[i]) |= TTM_PL_FLAG_NO_EVICT; +#endif + +#if RTLNX_VER_MAX(4,16,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) + ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false); +#else + ret = ttm_bo_validate(&bo->bo, &bo->placement, &ctx); +#endif + if (ret) + return ret; + + bo->pin_count = 1; + +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + ttm_bo_pin(&bo->bo); +#endif + + if (gpu_addr) + *gpu_addr = vbox_bo_gpu_offset(bo); + + return 0; +} + +int vbox_bo_unpin(struct vbox_bo *bo) +{ +#if RTLNX_VER_MIN(4,16,0) || RTLNX_RHEL_MAJ_PREREQ(7,6) || RTLNX_SUSE_MAJ_PREREQ(15,1) || RTLNX_SUSE_MAJ_PREREQ(12,5) +# if RTLNX_VER_MAX(5,11,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + struct ttm_operation_ctx ctx = { false, false }; +# endif +#endif + int ret = 0; +#if RTLNX_VER_MAX(5,11,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + int i; +#endif + + if (!bo->pin_count) { + DRM_ERROR("unpin bad %p\n", bo); + return 0; + } + bo->pin_count--; + if (bo->pin_count) + return 0; + +#if RTLNX_VER_MAX(5,11,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + for (i = 0; i < bo->placement.num_placement; i++) + PLACEMENT_FLAGS(bo->placements[i]) &= ~TTM_PL_FLAG_NO_EVICT; +#endif + +#if RTLNX_VER_MAX(4,16,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) + ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false); +#elif RTLNX_VER_MAX(5,11,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) + ret = ttm_bo_validate(&bo->bo, &bo->placement, &ctx); +#endif + if (ret) + return ret; + +#if RTLNX_VER_MIN(5,11,0) || RTLNX_RHEL_RANGE(8,5, 8,99) + ttm_bo_unpin(&bo->bo); +#endif + + return 0; +} + +#if RTLNX_VER_MAX(5,11,0) && !RTLNX_RHEL_MAJ_PREREQ(8,5) +/* + * Move a vbox-owned buffer object to system memory if no one else has it + * pinned. The caller must have pinned it previously, and this call will + * release the caller's pin. + */ +int vbox_bo_push_sysram(struct vbox_bo *bo) +{ +# if RTLNX_VER_MIN(4,16,0) || RTLNX_RHEL_MAJ_PREREQ(7,6) || RTLNX_SUSE_MAJ_PREREQ(15,1) || RTLNX_SUSE_MAJ_PREREQ(12,5) + struct ttm_operation_ctx ctx = { false, false }; +# endif + int i, ret; + + if (!bo->pin_count) { + DRM_ERROR("unpin bad %p\n", bo); + return 0; + } + bo->pin_count--; + if (bo->pin_count) + return 0; + + if (bo->kmap.virtual) + ttm_bo_kunmap(&bo->kmap); + + vbox_ttm_placement(bo, VBOX_MEM_TYPE_SYSTEM); + + for (i = 0; i < bo->placement.num_placement; i++) + PLACEMENT_FLAGS(bo->placements[i]) |= TTM_PL_FLAG_NO_EVICT; + +# if RTLNX_VER_MAX(4,16,0) && !RTLNX_RHEL_MAJ_PREREQ(7,6) && !RTLNX_SUSE_MAJ_PREREQ(15,1) && !RTLNX_SUSE_MAJ_PREREQ(12,5) + ret = ttm_bo_validate(&bo->bo, &bo->placement, false, false); +# else + ret = ttm_bo_validate(&bo->bo, &bo->placement, &ctx); +# endif + if (ret) { + DRM_ERROR("pushing to VRAM failed\n"); + return ret; + } + + return 0; +} +#endif + +int vbox_mmap(struct file *filp, struct vm_area_struct *vma) +{ + struct drm_file *file_priv; + struct vbox_private *vbox; + int ret = -EINVAL; + + if (unlikely(vma->vm_pgoff < DRM_FILE_PAGE_OFFSET)) + return -EINVAL; + + file_priv = filp->private_data; + vbox = file_priv->minor->dev->dev_private; + +#if RTLNX_VER_MIN(5,14,0) || RTLNX_RHEL_RANGE(8,6, 8,99) + (void)vbox; + if (drm_dev_is_unplugged(file_priv->minor->dev)) + return -ENODEV; + ret = drm_gem_mmap(filp, vma); +#else + ret = ttm_bo_mmap(filp, vma, &vbox->ttm.bdev); +#endif + return ret; +} |