audk/OvmfPkg/OvmfPkg.dec

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## @file
# EFI/Framework Open Virtual Machine Firmware (OVMF) platform
#
OvmfPkg: fix DEC spec violation introduced by Bhyve addition Sean reports that having two DEC files under OvmfPkg violates the DEC spec: > An EDK II Package (directory) is a directory that contains an EDK II > package declaration (DEC) file. Only one DEC file is permitted per > directory. EDK II Packages cannot be nested within other EDK II > Packages. This issue originates from commit 656419f922c0 ("Add BhyvePkg, to support the bhyve hypervisor", 2020-07-31). Remedy the problem as follows. (Note that these steps are not split to multiple patches in order to keep Bhyve buildable across the transition.) (1) Delete "OvmfPkg/Bhyve/BhyvePkg.dec". (2) Point the [Packages] sections of the Bhyve-specific AcpiPlatformDxe, BhyveRfbDxe, and BhyveFwCtlLib INF files to "OvmfPkg.dec". (3) Migrate the artifacts that "BhyvePkg.dec" used to have on top of "OvmfPkg.dec" as follows: (3a) Merge the copyright notices from Rebecca Cran and Pluribus Networks into "OvmfPkg.dec". (3b) Merge the "BhyveFwCtlLib" class header definition into "OvmfPkg.dec". (3c) Merge value 0x2F8 for the fixed PcdDebugIoPort into "BhyvePkgX64.dsc". (4) Unnest the the Include/Library/ and Library/ subtrees from under OvmfPkg/Bhyve to the corresponding, preexistent subtrees in OvmfPkg. The goal is to keep the [Includes] section in the "OvmfPkg.dec" file unchanged, plus simplify references in "BhyvePkgX64.dsc". Non-library modules remain under "OvmfPkg/Bhyve/". (4a) The BhyveFwCtlLib class header, and sole instance, are already uniquely named, so their movements need not involve file renames. (4b) Rename the Bhyve-specific PlatformBootManagerLib instance to PlatformBootManagerLibBhyve, in additon to moving it, for distinguishing it from OvmfPkg's preexistent lib instance. Apply the name change to all three of the lib instance directory name, the INF file, and the BASE_NAME define in the INF file. (4c) Update lib class resolutions in "BhyvePkgX64.dsc" accordingly. (5) Replace the "ACPI table storage" FILE_GUID in "OvmfPkg/Bhyve/AcpiTables/AcpiTables.inf" with a new GUID, and open-code the "ACPI table storage" GUID in the "ACPITABLE" FDF rule instead, replacing $(NAMED_GUID). This step is necessary because CI requires unique FILE_GUIDs over all INF files, and OVMF's original "AcpiTables.inf" already uses the "ACPI table storage" GUID as FILE_GUID. Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Cc: Rebecca Cran <rebecca@bsdio.com> Cc: Sean Brogan <spbrogan@outlook.com> Fixes: 656419f922c047a3c48bd3f4ecea7d8e87d0b761 Reported-by: Sean Brogan <spbrogan@outlook.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20200801155024.16439-1-lersek@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
2020-08-01 17:50:24 +02:00
# Copyright (c) 2020, Rebecca Cran <rebecca@bsdio.com>
# Copyright (c) 2006 - 2019, Intel Corporation. All rights reserved.<BR>
OvmfPkg: fix DEC spec violation introduced by Bhyve addition Sean reports that having two DEC files under OvmfPkg violates the DEC spec: > An EDK II Package (directory) is a directory that contains an EDK II > package declaration (DEC) file. Only one DEC file is permitted per > directory. EDK II Packages cannot be nested within other EDK II > Packages. This issue originates from commit 656419f922c0 ("Add BhyvePkg, to support the bhyve hypervisor", 2020-07-31). Remedy the problem as follows. (Note that these steps are not split to multiple patches in order to keep Bhyve buildable across the transition.) (1) Delete "OvmfPkg/Bhyve/BhyvePkg.dec". (2) Point the [Packages] sections of the Bhyve-specific AcpiPlatformDxe, BhyveRfbDxe, and BhyveFwCtlLib INF files to "OvmfPkg.dec". (3) Migrate the artifacts that "BhyvePkg.dec" used to have on top of "OvmfPkg.dec" as follows: (3a) Merge the copyright notices from Rebecca Cran and Pluribus Networks into "OvmfPkg.dec". (3b) Merge the "BhyveFwCtlLib" class header definition into "OvmfPkg.dec". (3c) Merge value 0x2F8 for the fixed PcdDebugIoPort into "BhyvePkgX64.dsc". (4) Unnest the the Include/Library/ and Library/ subtrees from under OvmfPkg/Bhyve to the corresponding, preexistent subtrees in OvmfPkg. The goal is to keep the [Includes] section in the "OvmfPkg.dec" file unchanged, plus simplify references in "BhyvePkgX64.dsc". Non-library modules remain under "OvmfPkg/Bhyve/". (4a) The BhyveFwCtlLib class header, and sole instance, are already uniquely named, so their movements need not involve file renames. (4b) Rename the Bhyve-specific PlatformBootManagerLib instance to PlatformBootManagerLibBhyve, in additon to moving it, for distinguishing it from OvmfPkg's preexistent lib instance. Apply the name change to all three of the lib instance directory name, the INF file, and the BASE_NAME define in the INF file. (4c) Update lib class resolutions in "BhyvePkgX64.dsc" accordingly. (5) Replace the "ACPI table storage" FILE_GUID in "OvmfPkg/Bhyve/AcpiTables/AcpiTables.inf" with a new GUID, and open-code the "ACPI table storage" GUID in the "ACPITABLE" FDF rule instead, replacing $(NAMED_GUID). This step is necessary because CI requires unique FILE_GUIDs over all INF files, and OVMF's original "AcpiTables.inf" already uses the "ACPI table storage" GUID as FILE_GUID. Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Cc: Rebecca Cran <rebecca@bsdio.com> Cc: Sean Brogan <spbrogan@outlook.com> Fixes: 656419f922c047a3c48bd3f4ecea7d8e87d0b761 Reported-by: Sean Brogan <spbrogan@outlook.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20200801155024.16439-1-lersek@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
2020-08-01 17:50:24 +02:00
# Copyright (c) 2014, Pluribus Networks, Inc.
#
# SPDX-License-Identifier: BSD-2-Clause-Patent
#
##
[Defines]
DEC_SPECIFICATION = 0x00010005
PACKAGE_NAME = OvmfPkg
PACKAGE_GUID = 2daf5f34-50e5-4b9d-b8e3-5562334d87e5
PACKAGE_VERSION = 0.1
[Includes]
Include
Csm/Include
[LibraryClasses]
OvmfPkg: fix DEC spec violation introduced by Bhyve addition Sean reports that having two DEC files under OvmfPkg violates the DEC spec: > An EDK II Package (directory) is a directory that contains an EDK II > package declaration (DEC) file. Only one DEC file is permitted per > directory. EDK II Packages cannot be nested within other EDK II > Packages. This issue originates from commit 656419f922c0 ("Add BhyvePkg, to support the bhyve hypervisor", 2020-07-31). Remedy the problem as follows. (Note that these steps are not split to multiple patches in order to keep Bhyve buildable across the transition.) (1) Delete "OvmfPkg/Bhyve/BhyvePkg.dec". (2) Point the [Packages] sections of the Bhyve-specific AcpiPlatformDxe, BhyveRfbDxe, and BhyveFwCtlLib INF files to "OvmfPkg.dec". (3) Migrate the artifacts that "BhyvePkg.dec" used to have on top of "OvmfPkg.dec" as follows: (3a) Merge the copyright notices from Rebecca Cran and Pluribus Networks into "OvmfPkg.dec". (3b) Merge the "BhyveFwCtlLib" class header definition into "OvmfPkg.dec". (3c) Merge value 0x2F8 for the fixed PcdDebugIoPort into "BhyvePkgX64.dsc". (4) Unnest the the Include/Library/ and Library/ subtrees from under OvmfPkg/Bhyve to the corresponding, preexistent subtrees in OvmfPkg. The goal is to keep the [Includes] section in the "OvmfPkg.dec" file unchanged, plus simplify references in "BhyvePkgX64.dsc". Non-library modules remain under "OvmfPkg/Bhyve/". (4a) The BhyveFwCtlLib class header, and sole instance, are already uniquely named, so their movements need not involve file renames. (4b) Rename the Bhyve-specific PlatformBootManagerLib instance to PlatformBootManagerLibBhyve, in additon to moving it, for distinguishing it from OvmfPkg's preexistent lib instance. Apply the name change to all three of the lib instance directory name, the INF file, and the BASE_NAME define in the INF file. (4c) Update lib class resolutions in "BhyvePkgX64.dsc" accordingly. (5) Replace the "ACPI table storage" FILE_GUID in "OvmfPkg/Bhyve/AcpiTables/AcpiTables.inf" with a new GUID, and open-code the "ACPI table storage" GUID in the "ACPITABLE" FDF rule instead, replacing $(NAMED_GUID). This step is necessary because CI requires unique FILE_GUIDs over all INF files, and OVMF's original "AcpiTables.inf" already uses the "ACPI table storage" GUID as FILE_GUID. Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Cc: Rebecca Cran <rebecca@bsdio.com> Cc: Sean Brogan <spbrogan@outlook.com> Fixes: 656419f922c047a3c48bd3f4ecea7d8e87d0b761 Reported-by: Sean Brogan <spbrogan@outlook.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20200801155024.16439-1-lersek@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
2020-08-01 17:50:24 +02:00
## @libraryclass Access bhyve's firmware control interface.
BhyveFwCtlLib|Include/Library/BhyveFwCtlLib.h
## @libraryclass Verify blobs read from the VMM
BlobVerifierLib|Include/Library/BlobVerifierLib.h
OvmfPkg: fix DEC spec violation introduced by Bhyve addition Sean reports that having two DEC files under OvmfPkg violates the DEC spec: > An EDK II Package (directory) is a directory that contains an EDK II > package declaration (DEC) file. Only one DEC file is permitted per > directory. EDK II Packages cannot be nested within other EDK II > Packages. This issue originates from commit 656419f922c0 ("Add BhyvePkg, to support the bhyve hypervisor", 2020-07-31). Remedy the problem as follows. (Note that these steps are not split to multiple patches in order to keep Bhyve buildable across the transition.) (1) Delete "OvmfPkg/Bhyve/BhyvePkg.dec". (2) Point the [Packages] sections of the Bhyve-specific AcpiPlatformDxe, BhyveRfbDxe, and BhyveFwCtlLib INF files to "OvmfPkg.dec". (3) Migrate the artifacts that "BhyvePkg.dec" used to have on top of "OvmfPkg.dec" as follows: (3a) Merge the copyright notices from Rebecca Cran and Pluribus Networks into "OvmfPkg.dec". (3b) Merge the "BhyveFwCtlLib" class header definition into "OvmfPkg.dec". (3c) Merge value 0x2F8 for the fixed PcdDebugIoPort into "BhyvePkgX64.dsc". (4) Unnest the the Include/Library/ and Library/ subtrees from under OvmfPkg/Bhyve to the corresponding, preexistent subtrees in OvmfPkg. The goal is to keep the [Includes] section in the "OvmfPkg.dec" file unchanged, plus simplify references in "BhyvePkgX64.dsc". Non-library modules remain under "OvmfPkg/Bhyve/". (4a) The BhyveFwCtlLib class header, and sole instance, are already uniquely named, so their movements need not involve file renames. (4b) Rename the Bhyve-specific PlatformBootManagerLib instance to PlatformBootManagerLibBhyve, in additon to moving it, for distinguishing it from OvmfPkg's preexistent lib instance. Apply the name change to all three of the lib instance directory name, the INF file, and the BASE_NAME define in the INF file. (4c) Update lib class resolutions in "BhyvePkgX64.dsc" accordingly. (5) Replace the "ACPI table storage" FILE_GUID in "OvmfPkg/Bhyve/AcpiTables/AcpiTables.inf" with a new GUID, and open-code the "ACPI table storage" GUID in the "ACPITABLE" FDF rule instead, replacing $(NAMED_GUID). This step is necessary because CI requires unique FILE_GUIDs over all INF files, and OVMF's original "AcpiTables.inf" already uses the "ACPI table storage" GUID as FILE_GUID. Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Philippe Mathieu-Daudé <philmd@redhat.com> Cc: Rebecca Cran <rebecca@bsdio.com> Cc: Sean Brogan <spbrogan@outlook.com> Fixes: 656419f922c047a3c48bd3f4ecea7d8e87d0b761 Reported-by: Sean Brogan <spbrogan@outlook.com> Signed-off-by: Laszlo Ersek <lersek@redhat.com> Message-Id: <20200801155024.16439-1-lersek@redhat.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Rebecca Cran <rebecca@bsdio.com>
2020-08-01 17:50:24 +02:00
## @libraryclass Loads and boots a Linux kernel image
#
LoadLinuxLib|Include/Library/LoadLinuxLib.h
## @libraryclass Declares helper functions for Secure Encrypted
# Virtualization (SEV) guests.
MemEncryptSevLib|Include/Library/MemEncryptSevLib.h
## @libraryclass Declares helper functions for TDX guests.
#
MemEncryptTdxLib|Include/Library/MemEncryptTdxLib.h
## @libraryclass Save and restore variables using a file
#
NvVarsFileLib|Include/Library/NvVarsFileLib.h
## @libraryclass Provides services to work with PCI capabilities in PCI
# config space.
PciCapLib|Include/Library/PciCapLib.h
OvmfPkg: introduce PciCapPciIoLib Add a library class, and a UEFI_DRIVER lib instance, that are layered on top of PciCapLib, and allow clients to plug an EFI_PCI_IO_PROTOCOL backend into PciCapLib, for config space access. (Side note: Although the UEFI spec says that EFI_PCI_IO_PROTOCOL_CONFIG() returns EFI_UNSUPPORTED if "[t]he address range specified by Offset, Width, and Count is not valid for the PCI configuration header of the PCI controller", this patch doesn't directly document the EFI_UNSUPPORTED error code, for ProtoDevTransferConfig() and its callers ProtoDevReadConfig() and ProtoDevWriteConfig(). Instead, the patch refers to "unspecified error codes". The reason is that in edk2, the PciIoConfigRead() and PciIoConfigWrite() functions [1] can also return EFI_INVALID_PARAMETER for the above situation. Namely, PciIoConfigRead() and PciIoConfigWrite() first call PciIoVerifyConfigAccess(), which indeed produces the standard EFI_UNSUPPORTED error code, if the device's config space is exceeded. However, if PciIoVerifyConfigAccess() passes, and we reach RootBridgeIoPciRead() and RootBridgeIoPciWrite() [2], then RootBridgeIoCheckParameter() can still fail, e.g. if the root bridge doesn't support extended config space (see commit 014b472053ae3). For all kinds of Limit violations in IO, MMIO, and config space, RootBridgeIoCheckParameter() returns EFI_INVALID_PARAMETER, not EFI_UNSUPPORTED. That error code is then propagated up to, and out of, PciIoConfigRead() and PciIoConfigWrite(). [1] MdeModulePkg/Bus/Pci/PciBusDxe/PciIo.c [2] MdeModulePkg/Bus/Pci/PciHostBridgeDxe/PciRootBridgeIo.c ) Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2018-04-28 23:23:10 +02:00
## @libraryclass Layered on top of PciCapLib, allows clients to plug an
# EFI_PCI_IO_PROTOCOL backend into PciCapLib, for config
# space access.
PciCapPciIoLib|Include/Library/PciCapPciIoLib.h
OvmfPkg: introduce PciCapPciSegmentLib Add a library class, and a BASE lib instance, that are layered on top of PciCapLib, and allow clients to plug a PciSegmentLib backend into PciCapLib, for config space access. (Side note: The "MaxDomain" parameter is provided because, in practice, platforms exist where a PCI Express device may show up on a root bridge such that the root bridge doesn't support access to extended config space. Earlier the same issue was handled for MdeModulePkg/PciHostBridgeDxe in commit 014b472053ae3. However, that solution does not apply to the PciSegmentLib class, because: (1) The config space accessor functions of the PciSegmentLib class, such as PciSegmentReadBuffer(), have no way of informing the caller whether access to extended config space actually succeeds. (For example, in the UefiPciSegmentLibPciRootBridgeIo instace, which could in theory benefit from commit 014b472053ae3, the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.Pci.Read() status code is explicitly ignored, because there's no way for the lib instance to propagate it to the PciSegmentLib caller. If the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL.Pci.Read() call fails, then DxePciSegmentLibPciRootBridgeIoReadWorker() returns Data with indeterminate value.) (2) There is no *general* way for any firmware platform to provide, or use, a PciSegmentLib instance in which access to extended config space always succeeds. In brief, on a platform where config space may be limited to 256 bytes, access to extended config space through PciSegmentLib may invoke undefined behavior; therefore PciCapPciSegmentLib must give platforms a way to prevent such access.) Cc: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
2018-04-28 23:22:59 +02:00
## @libraryclass Layered on top of PciCapLib, allows clients to plug a
# PciSegmentLib backend into PciCapLib, for config space
# access.
PciCapPciSegmentLib|Include/Library/PciCapPciSegmentLib.h
## @libraryclass Provide common utility functions to PciHostBridgeLib
# instances in ArmVirtPkg and OvmfPkg.
PciHostBridgeUtilityLib|Include/Library/PciHostBridgeUtilityLib.h
## @libraryclass Register a status code handler for printing the Boot
# Manager's LoadImage() and StartImage() preparations, and
# return codes, to the UEFI console.
PlatformBmPrintScLib|Include/Library/PlatformBmPrintScLib.h
## @libraryclass Customize FVB2 protocol member functions for a platform.
PlatformFvbLib|Include/Library/PlatformFvbLib.h
## @libraryclass Access QEMU's firmware configuration interface
#
QemuFwCfgLib|Include/Library/QemuFwCfgLib.h
## @libraryclass S3 support for QEMU fw_cfg
#
QemuFwCfgS3Lib|Include/Library/QemuFwCfgS3Lib.h
## @libraryclass Parse the contents of named fw_cfg files as simple
# (scalar) data types.
QemuFwCfgSimpleParserLib|Include/Library/QemuFwCfgSimpleParserLib.h
## @libraryclass Rewrite the BootOrder NvVar based on QEMU's "bootorder"
# fw_cfg file.
#
QemuBootOrderLib|Include/Library/QemuBootOrderLib.h
## @libraryclass Load a kernel image and command line passed to QEMU via
# the command line
#
QemuLoadImageLib|Include/Library/QemuLoadImageLib.h
## @libraryclass Serialize (and deserialize) variables
#
SerializeVariablesLib|Include/Library/SerializeVariablesLib.h
## @libraryclass Declares utility functions for virtio device drivers.
VirtioLib|Include/Library/VirtioLib.h
## @libraryclass Install Virtio Device Protocol instances on virtio-mmio
# transports.
VirtioMmioDeviceLib|Include/Library/VirtioMmioDeviceLib.h
## @libraryclass Invoke Xen hypercalls
#
XenHypercallLib|Include/Library/XenHypercallLib.h
## @libraryclass Manage XenBus device path and I/O handles
#
XenIoMmioLib|Include/Library/XenIoMmioLib.h
## @libraryclass Get information about Xen
#
XenPlatformLib|Include/Library/XenPlatformLib.h
## @libraryclass TdxMailboxLib
#
TdxMailboxLib|Include/Library/TdxMailboxLib.h
OvmfPkg: Create initial version of PlatformInitLib BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863 There are 3 variants of PlatformPei in OvmfPkg: - OvmfPkg/PlatformPei - OvmfPkg/XenPlatformPei - OvmfPkg/Bhyve/PlatformPei/PlatformPei.inf These PlatformPeis can share many common codes, such as Cmos / Hob / Memory / Platform related functions. This commit (and its following several patches) are to create a PlatformInitLib which wraps the common code called in above PlatformPeis. In this initial version of PlatformInitLib, below Cmos related functions are introduced: - PlatformCmosRead8 - PlatformCmosWrite8 - PlatformDebugDumpCmos They correspond to the functions in OvmfPkg/PlatformPei: - CmosRead8 - CmosWrite8 - DebugDumpCmos Considering this PlatformInitLib will be used in SEC phase, global variables and dynamic PCDs are avoided. We use PlatformInfoHob to exchange information between functions. EFI_HOB_PLATFORM_INFO is the data struct which contains the platform information, such as HostBridgeDevId, BootMode, S3Supported, SmmSmramRequire, etc. After PlatformInitLib is created, OvmfPkg/PlatformPei is refactored with this library. Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Erdem Aktas <erdemaktas@google.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> Signed-off-by: Min Xu <min.m.xu@intel.com>
2022-02-12 07:06:46 +01:00
## @libraryclass PlatformInitLib
#
PlatformInitLib|Include/Library/PlatformInitLib.h
## @libraryclass PeilessStartupLib
#
PeilessStartupLib|Include/Library/PeilessStartupLib.h
Ovmf/HardwareInfoLib: Create Pei lib to parse directly from fw-cfg Define the HardwareInfoLib API and create the PeiHardwareInfoLib which implements it, specifically for Pei usage, supporting only static accesses to parse data directly from a fw-cfg file. All list-like APIs are implemented as unsupported and only a fw-cfg wrapper to read hardware info elements is provided. The Hardware Info library is intended to describe non-discoverable hardware information and share that from the host to the guest in Ovmf platforms. The QEMU fw-cfg extension for this library provides a first variation to parse hardware info by reading it directly from a fw-cfg file. This library offers a wrapper function to the plain QmeuFwCfgReadBytes which, specifically, parses header-data pairs out of the binary values in the file. For this purpose, the approach is incremental, reading the file block by block and outputting the values only for a specific known hardware type (e.g. PCI host bridges). One element is returned in each call until the end of the file is reached. Considering fw-cfg as the first means to transport hardware info from the host to the guest, this wrapping library offers the possibility to statically, and in steps, read a specific type of hardware info elements out of the file. This method reads one hardware element of a specific type at a time, without the need to pre-allocate memory and read the whole file or dynamically allocate memory for each new element found. As a usage example, the static approach followed by this library enables early UEFI stages to use and read hardware information supplied by the host. For instance, in early times of the PEI stage, hardware information can be parsed out from a fw-cfg file prescinding from memory services, that may not yet be available, and avoiding dynamic memory allocations. Cc: Alexander Graf <graf@amazon.de> Cc: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Nicolas Ojeda Leon <ncoleon@amazon.com>
2022-01-19 10:49:15 +01:00
## @libraryclass HardwareInfoLib
#
HardwareInfoLib|Include/Library/HardwareInfoLib.h
[Guids]
gUefiOvmfPkgTokenSpaceGuid = {0x93bb96af, 0xb9f2, 0x4eb8, {0x94, 0x62, 0xe0, 0xba, 0x74, 0x56, 0x42, 0x36}}
gEfiXenInfoGuid = {0xd3b46f3b, 0xd441, 0x1244, {0x9a, 0x12, 0x0, 0x12, 0x27, 0x3f, 0xc1, 0x4d}}
gOvmfPkKek1AppPrefixGuid = {0x4e32566d, 0x8e9e, 0x4f52, {0x81, 0xd3, 0x5b, 0xb9, 0x71, 0x5f, 0x97, 0x27}}
gOvmfPlatformConfigGuid = {0x7235c51c, 0x0c80, 0x4cab, {0x87, 0xac, 0x3b, 0x08, 0x4a, 0x63, 0x04, 0xb1}}
gVirtioMmioTransportGuid = {0x837dca9e, 0xe874, 0x4d82, {0xb2, 0x9a, 0x23, 0xfe, 0x0e, 0x23, 0xd1, 0xe2}}
gQemuRamfbGuid = {0x557423a1, 0x63ab, 0x406c, {0xbe, 0x7e, 0x91, 0xcd, 0xbc, 0x08, 0xc4, 0x57}}
gXenBusRootDeviceGuid = {0xa732241f, 0x383d, 0x4d9c, {0x8a, 0xe1, 0x8e, 0x09, 0x83, 0x75, 0x89, 0xd7}}
gRootBridgesConnectedEventGroupGuid = {0x24a2d66f, 0xeedd, 0x4086, {0x90, 0x42, 0xf2, 0x6e, 0x47, 0x97, 0xee, 0x69}}
gMicrosoftVendorGuid = {0x77fa9abd, 0x0359, 0x4d32, {0xbd, 0x60, 0x28, 0xf4, 0xe7, 0x8f, 0x78, 0x4b}}
gEfiLegacyBiosGuid = {0x2E3044AC, 0x879F, 0x490F, {0x97, 0x60, 0xBB, 0xDF, 0xAF, 0x69, 0x5F, 0x50}}
gEfiLegacyDevOrderVariableGuid = {0xa56074db, 0x65fe, 0x45f7, {0xbd, 0x21, 0x2d, 0x2b, 0xdd, 0x8e, 0x96, 0x52}}
gQemuKernelLoaderFsMediaGuid = {0x1428f772, 0xb64a, 0x441e, {0xb8, 0xc3, 0x9e, 0xbd, 0xd7, 0xf8, 0x93, 0xc7}}
gGrubFileGuid = {0xb5ae312c, 0xbc8a, 0x43b1, {0x9c, 0x62, 0xeb, 0xb8, 0x26, 0xdd, 0x5d, 0x07}}
gConfidentialComputingSecretGuid = {0xadf956ad, 0xe98c, 0x484c, {0xae, 0x11, 0xb5, 0x1c, 0x7d, 0x33, 0x64, 0x47}}
gConfidentialComputingSevSnpBlobGuid = {0x067b1f5f, 0xcf26, 0x44c5, {0x85, 0x54, 0x93, 0xd7, 0x77, 0x91, 0x2d, 0x42}}
gUefiOvmfPkgPlatformInfoGuid = {0xdec9b486, 0x1f16, 0x47c7, {0x8f, 0x68, 0xdf, 0x1a, 0x41, 0x88, 0x8b, 0xa5}}
gVMMBootOrderGuid = {0x668f4529, 0x63d0, 0x4bb5, {0xb6, 0x5d, 0x6f, 0xbb, 0x9d, 0x36, 0xa4, 0x4a}}
[Ppis]
# PPI whose presence in the PPI database signals that the TPM base address
# has been discovered and recorded
gOvmfTpmDiscoveredPpiGuid = {0xb9a61ad0, 0x2802, 0x41f3, {0xb5, 0x13, 0x96, 0x51, 0xce, 0x6b, 0xd5, 0x75}}
# This PPI signals that accessing the MMIO range of the TPM is possible in
# the PEI phase, regardless of memory encryption
gOvmfTpmMmioAccessiblePpiGuid = {0x35c84ff2, 0x7bfe, 0x453d, {0x84, 0x5f, 0x68, 0x3a, 0x49, 0x2c, 0xf7, 0xb7}}
gEfiPeiMpInitLibMpDepPpiGuid = {0x138f9cf4, 0xf0e7, 0x4721, { 0x8f, 0x49, 0xf5, 0xff, 0xec, 0xf4, 0x2d, 0x40}}
gEfiPeiMpInitLibUpDepPpiGuid = {0xb590774, 0xbc67, 0x49f4, { 0xa7, 0xdb, 0xe8, 0x2e, 0x89, 0xe6, 0xb5, 0xd6}}
[Protocols]
gVirtioDeviceProtocolGuid = {0xfa920010, 0x6785, 0x4941, {0xb6, 0xec, 0x49, 0x8c, 0x57, 0x9f, 0x16, 0x0a}}
gXenBusProtocolGuid = {0x3d3ca290, 0xb9a5, 0x11e3, {0xb7, 0x5d, 0xb8, 0xac, 0x6f, 0x7d, 0x65, 0xe6}}
gXenIoProtocolGuid = {0x6efac84f, 0x0ab0, 0x4747, {0x81, 0xbe, 0x85, 0x55, 0x62, 0x59, 0x04, 0x49}}
gIoMmuAbsentProtocolGuid = {0xf8775d50, 0x8abd, 0x4adf, {0x92, 0xac, 0x85, 0x3e, 0x51, 0xf6, 0xc8, 0xdc}}
gEfiLegacy8259ProtocolGuid = {0x38321dba, 0x4fe0, 0x4e17, {0x8a, 0xec, 0x41, 0x30, 0x55, 0xea, 0xed, 0xc1}}
gEfiFirmwareVolumeProtocolGuid = {0x389F751F, 0x1838, 0x4388, {0x83, 0x90, 0xcd, 0x81, 0x54, 0xbd, 0x27, 0xf8}}
gEfiIsaAcpiProtocolGuid = {0x64a892dc, 0x5561, 0x4536, {0x92, 0xc7, 0x79, 0x9b, 0xfc, 0x18, 0x33, 0x55}}
gEfiIsaIoProtocolGuid = {0x7ee2bd44, 0x3da0, 0x11d4, {0x9a, 0x38, 0x0, 0x90, 0x27, 0x3f, 0xc1, 0x4d}}
gEfiLegacyBiosProtocolGuid = {0xdb9a1e3d, 0x45cb, 0x4abb, {0x85, 0x3b, 0xe5, 0x38, 0x7f, 0xdb, 0x2e, 0x2d}}
gEfiLegacyBiosPlatformProtocolGuid = {0x783658a3, 0x4172, 0x4421, {0xa2, 0x99, 0xe0, 0x09, 0x07, 0x9c, 0x0c, 0xb4}}
gEfiLegacyInterruptProtocolGuid = {0x31ce593d, 0x108a, 0x485d, {0xad, 0xb2, 0x78, 0xf2, 0x1f, 0x29, 0x66, 0xbe}}
gEfiVgaMiniPortProtocolGuid = {0xc7735a2f, 0x88f5, 0x4882, {0xae, 0x63, 0xfa, 0xac, 0x8c, 0x8b, 0x86, 0xb3}}
gOvmfLoadedX86LinuxKernelProtocolGuid = {0xa3edc05d, 0xb618, 0x4ff6, {0x95, 0x52, 0x76, 0xd7, 0x88, 0x63, 0x43, 0xc8}}
OvmfPkg: Add TdxDxe driver RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429 TdxDxe driver is dispatched early in DXE, due to being list in APRIORI. This module is responsible for below features: - Sets max logical cpus based on TDINFO - Sets PCI PCDs based on resource hobs - Set shared bit in MMIO region - Relocate Td mailbox and set its address in MADT table. 1. Set shared bit in MMIO region Qemu allows a ROM device to set to ROMD mode (default) or MMIO mode. When it is in ROMD mode, the device is mapped to guest memory and satisfies read access directly. In EDK2 Option ROM is treated as MMIO region. So Tdx guest access Option ROM via TDVMCALL(MMIO). But as explained above, since Qemu set the Option ROM to ROMD mode, the call of TDVMCALL(MMIO) always return INVALID_OPERAND. Tdvf then falls back to direct access. This requires to set the shared bit to corresponding PageTable entry. Otherwise it triggers GP fault. TdxDxe's entry point is the right place to set the shared bit in MMIO region because Option ROM has not been discoverd yet. 2. Relocate Td mailbox and set the new address in MADT Mutiprocessor Wakeup Table. In TDX the guest firmware is designed to publish a multiprocessor-wakeup structure to let the guest-bootstrap processor wake up guest-application processors with a mailbox. The mailbox is memory that the guest firmware can reserve so each guest virtual processor can have the guest OS send a message to them. The address of the mailbox is recorded in the MADT table. See [ACPI]. TdxDxe registers for protocol notification (gQemuAcpiTableNotifyProtocolGuid) to call the AlterAcpiTable(), in which MADT table is altered by the above Mailbox address. The protocol will be installed in AcpiPlatformDxe when the MADT table provided by Qemu is ready. This is to maintain the simplicity of the AcpiPlatformDxe. AlterAcpiTable is the registered function which traverses the ACPI table list to find the original MADT from Qemu. After the new MADT is configured and installed, the original one will be uninstalled. [ACPI] https://uefi.org/specs/ACPI/6.4/05_ACPI_Software_Programming_Model /ACPI_Software_Programming_Model.html#multiprocessor-wakeup-structure Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Erdem Aktas <erdemaktas@google.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> Signed-off-by: Min Xu <min.m.xu@intel.com>
2021-09-22 07:26:01 +02:00
gQemuAcpiTableNotifyProtocolGuid = {0x928939b2, 0x4235, 0x462f, {0x95, 0x80, 0xf6, 0xa2, 0xb2, 0xc2, 0x1a, 0x4f}}
gEfiMpInitLibMpDepProtocolGuid = {0xbb00a5ca, 0x8ce, 0x462f, {0xa5, 0x37, 0x43, 0xc7, 0x4a, 0x82, 0x5c, 0xa4}}
gEfiMpInitLibUpDepProtocolGuid = {0xa9e7cef1, 0x5682, 0x42cc, {0xb1, 0x23, 0x99, 0x30, 0x97, 0x3f, 0x4a, 0x9f}}
[PcdsFixedAtBuild]
OvmfPkg: Split MAINFV into a separate PEI and DXE FVs By splitting the PEI and DXE phases into separate FVs, we can only reserve the PEI FV for ACPI S3 support. This should save about 7MB. Unfortunately, this all has to happen in a single commit. DEC: * Remove PcdOvmfMemFv(Base|Size) * Add PcdOvmfPeiMemFv(Base|Size) * Add PcdOvmfDxeMemFv(Base|Size) FDF: * Add new PEIFV. Move PEI modules here. * Remove MAINFV * Add PEIFV and DXEFV into FVMAIN_COMPACT - They are added as 2 sections of a file, and compressed together so they should retain good compression * PcdOvmf(Pei|Dxe)MemFv(Base|Size) are set SEC: * Find both the PEI and DXE FVs after decompression. - Copy them separately to their memory locations. Platform PEI driver: * Fv.c: Publish both FVs as appropriate * MemDetect.c: PcdOvmfMemFv(Base|Size) => PcdOvmfDxeMemFv(Base|Size) OVMF.fd before: Non-volatile data storage FVMAIN_COMPACT uncompressed FV FFS file LZMA compressed MAINFV uncompressed individual PEI modules uncompressed FV FFS file compressed with PI_NONE DXEFV uncompressed individual DXE modules uncompressed SECFV uncompressed OVMF.fd after: Non-volatile data storage FVMAIN_COMPACT uncompressed FV FFS file LZMA compressed PEIFV uncompressed individual PEI modules uncompressed DXEFV uncompressed individual DXE modules uncompressed SECFV uncompressed Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jordan Justen <jordan.l.justen@intel.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15151 6f19259b-4bc3-4df7-8a09-765794883524
2014-01-21 20:39:13 +01:00
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvBase|0x0|UINT32|0
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfPeiMemFvSize|0x0|UINT32|1
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvBase|0x0|UINT32|0x15
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDxeMemFvSize|0x0|UINT32|0x16
## This flag is used to control the destination port for PlatformDebugLibIoPort
gUefiOvmfPkgTokenSpaceGuid.PcdDebugIoPort|0x402|UINT16|4
## When VirtioScsiDxe is instantiated for a HBA, the numbers of targets and
# LUNs are retrieved from the host during virtio-scsi setup.
# MdeModulePkg/Bus/Scsi/ScsiBusDxe then scans all MaxTarget * MaxLun
# possible devices. This can take extremely long, for example with
# MaxTarget=255 and MaxLun=16383. The *inclusive* constants below limit
# MaxTarget and MaxLun, independently, should the host report higher values,
# so that scanning the number of devices given by their product is still
# acceptably fast.
gUefiOvmfPkgTokenSpaceGuid.PcdVirtioScsiMaxTargetLimit|31|UINT16|6
gUefiOvmfPkgTokenSpaceGuid.PcdVirtioScsiMaxLunLimit|7|UINT32|7
## Sets the *inclusive* number of targets and LUNs that PvScsi exposes for
# scan by ScsiBusDxe.
# As specified above for VirtioScsi, ScsiBusDxe scans all MaxTarget * MaxLun
# possible devices, which can take extremely long. Thus, the below constants
# are used so that scanning the number of devices given by their product
# is still acceptably fast.
gUefiOvmfPkgTokenSpaceGuid.PcdPvScsiMaxTargetLimit|64|UINT8|0x36
gUefiOvmfPkgTokenSpaceGuid.PcdPvScsiMaxLunLimit|0|UINT8|0x37
## After PvScsiDxe sends a SCSI request to the device, it waits for
# the request completion in a polling loop.
# This constant defines how many micro-seconds to wait between each
# polling loop iteration.
gUefiOvmfPkgTokenSpaceGuid.PcdPvScsiWaitForCmpStallInUsecs|5|UINT32|0x38
## Set the *inclusive* number of targets that MptScsi exposes for scan
# by ScsiBusDxe.
gUefiOvmfPkgTokenSpaceGuid.PcdMptScsiMaxTargetLimit|7|UINT8|0x39
## Microseconds to stall between polling for MptScsi request result
gUefiOvmfPkgTokenSpaceGuid.PcdMptScsiStallPerPollUsec|5|UINT32|0x3a
## Set the *inclusive* number of targets and LUNs that LsiScsi exposes for
# scan by ScsiBusDxe.
gUefiOvmfPkgTokenSpaceGuid.PcdLsiScsiMaxTargetLimit|7|UINT8|0x3b
gUefiOvmfPkgTokenSpaceGuid.PcdLsiScsiMaxLunLimit|0|UINT8|0x3c
OvmfPkg/LsiScsiDxe: Process the SCSI Request Packet This is the second part of LsiScsiPassThru(). LsiScsiProcessRequest() is added to translate the SCSI Request Packet into the LSI 53C895A commands. This function utilizes the so-called Script buffer to transmit a series of commands to the chip and then polls the DMA Status (DSTAT) register until the Scripts Interrupt Instruction Received (SIR) bit sets. Once the script is done, the SCSI Request Packet will be modified to reflect the result of the script. The Cumulative SCSI Byte Count (CSBC) register is fetched before and after the script to calculate the transferred bytes and update InTransferLength/OutTransferLength if necessary. v3: - Set DStat, SIst0, and SIst1 to 0 before using them - Amend the if statements for the DMA data instruction and add the assertions for the data direction - Also set SenseDataLength to 0 on the error path - Fix typos and amend comments - Amend the error handling of the calculation of transferred bytes v2: - Use the BITx macros for the most of LSI_* constants - Fix a typo: contorller => controller - Add SeaBIOS lsi-scsi driver as one of the references of the script - Cast the result of sizeof to UINT32 for the instructions of the script - Drop the backslashes - Replace LSI_SCSI_DMA_ADDR_LOW with LSI_SCSI_DMA_ADDR since we already removed DUAL_ADDRESS_CYCLE - Add more comments for the script - Fix the check of the script size at the end of the script - Always set SenseDataLength to 0 to avoid the caller to access SenseData - Improve the error handling in LsiScsiProcessRequest() Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Signed-off-by: Gary Lin <glin@suse.com> Message-Id: <20200717061130.8881-11-glin@suse.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com>
2020-07-17 08:11:29 +02:00
## Microseconds to stall between polling for LsiScsi request result
gUefiOvmfPkgTokenSpaceGuid.PcdLsiScsiStallPerPollUsec|5|UINT32|0x3d
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogBase|0x0|UINT32|0x8
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageEventLogSize|0x0|UINT32|0x9
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareFdSize|0x0|UINT32|0xa
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFirmwareBlockSize|0|UINT32|0xb
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageVariableBase|0x0|UINT32|0xc
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwSpareBase|0x0|UINT32|0xd
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashNvStorageFtwWorkingBase|0x0|UINT32|0xe
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFdBaseAddress|0x0|UINT32|0xf
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesBase|0x0|UINT32|0x11
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPageTablesSize|0x0|UINT32|0x12
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamBase|0x0|UINT32|0x13
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecPeiTempRamSize|0x0|UINT32|0x14
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageBase|0x0|UINT32|0x18
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfLockBoxStorageSize|0x0|UINT32|0x19
OvmfPkg: PlatformPei: protect SEC's GUIDed section handler table thru S3 OVMF's SecMain is unique in the sense that it links against the following two libraries *in combination*: - IntelFrameworkModulePkg/Library/LzmaCustomDecompressLib/ LzmaCustomDecompressLib.inf - MdePkg/Library/BaseExtractGuidedSectionLib/ BaseExtractGuidedSectionLib.inf The ExtractGuidedSectionLib library class allows decompressor modules to register themselves (keyed by GUID) with it, and it allows clients to decompress file sections with a registered decompressor module that matches the section's GUID. BaseExtractGuidedSectionLib is a library instance (of type BASE) for this library class. It has no constructor function. LzmaCustomDecompressLib is a compatible decompressor module (of type BASE). Its section type GUID is gLzmaCustomDecompressGuid == EE4E5898-3914-4259-9D6E-DC7BD79403CF When OVMF's SecMain module starts, the LzmaCustomDecompressLib constructor function is executed, which registers its LZMA decompressor with the above GUID, by calling into BaseExtractGuidedSectionLib: LzmaDecompressLibConstructor() [GuidedSectionExtraction.c] ExtractGuidedSectionRegisterHandlers() [BaseExtractGuidedSectionLib.c] GetExtractGuidedSectionHandlerInfo() PcdGet64 (PcdGuidedExtractHandlerTableAddress) -- NOTE THIS Later, during a normal (non-S3) boot, SecMain utilizes this decompressor to get information about, and to decompress, sections of the OVMF firmware image: SecCoreStartupWithStack() [OvmfPkg/Sec/SecMain.c] SecStartupPhase2() FindAndReportEntryPoints() FindPeiCoreImageBase() DecompressMemFvs() ExtractGuidedSectionGetInfo() [BaseExtractGuidedSectionLib.c] ExtractGuidedSectionDecode() [BaseExtractGuidedSectionLib.c] Notably, only the extraction depends on full-config-boot; the registration of LzmaCustomDecompressLib occurs unconditionally in the SecMain EFI binary, triggered by the library constructor function. This is where the bug happens. BaseExtractGuidedSectionLib maintains the table of GUIDed decompressors (section handlers) at a fixed memory location; selected by PcdGuidedExtractHandlerTableAddress (declared in MdePkg.dec). The default value of this PCD is 0x1000000 (16 MB). This causes SecMain to corrupt guest OS memory during S3, leading to random crashes. Compare the following two memory dumps, the first taken right before suspending, the second taken right after resuming a RHEL-7 guest: crash> rd -8 -p 1000000 0x50 1000000: c0 00 08 00 02 00 00 00 00 00 00 00 00 00 00 00 ................ 1000010: d0 33 0c 00 00 c9 ff ff c0 10 00 01 00 88 ff ff .3.............. 1000020: 0a 6d 57 32 0f 00 00 00 38 00 00 01 00 88 ff ff .mW2....8....... 1000030: 00 00 00 00 00 00 00 00 73 69 67 6e 61 6c 6d 6f ........signalmo 1000040: 64 75 6c 65 2e 73 6f 00 00 00 00 00 00 00 00 00 dule.so......... vs. crash> rd -8 -p 1000000 0x50 1000000: 45 47 53 49 01 00 00 00 20 00 00 01 00 00 00 00 EGSI.... ....... 1000010: 20 01 00 01 00 00 00 00 a0 01 00 01 00 00 00 00 ............... 1000020: 98 58 4e ee 14 39 59 42 9d 6e dc 7b d7 94 03 cf .XN..9YB.n.{.... 1000030: 00 00 00 00 00 00 00 00 73 69 67 6e 61 6c 6d 6f ........signalmo 1000040: 64 75 6c 65 2e 73 6f 00 00 00 00 00 00 00 00 00 dule.so......... The "EGSI" signature corresponds to EXTRACT_HANDLER_INFO_SIGNATURE declared in MdePkg/Library/BaseExtractGuidedSectionLib/BaseExtractGuidedSectionLib.c. Additionally, the gLzmaCustomDecompressGuid (quoted above) is visible at guest-phys offset 0x1000020. Fix the problem as follows: - Carve out 4KB from the 36KB gap that we currently have between PcdOvmfLockBoxStorageBase + PcdOvmfLockBoxStorageSize == 8220 KB and PcdOvmfSecPeiTempRamBase == 8256 KB. - Point PcdGuidedExtractHandlerTableAddress to 8220 KB (0x00807000). - Cover the area with an EfiACPIMemoryNVS type memalloc HOB, if S3 is supported and we're not currently resuming. The 4KB size that we pick is an upper estimate for BaseExtractGuidedSectionLib's internal storage size. The latter is calculated as follows (see GetExtractGuidedSectionHandlerInfo()): sizeof(EXTRACT_GUIDED_SECTION_HANDLER_INFO) + // 32 PcdMaximumGuidedExtractHandler * ( sizeof(GUID) + // 16 sizeof(EXTRACT_GUIDED_SECTION_DECODE_HANDLER) + // 8 sizeof(EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER) // 8 ) OVMF sets PcdMaximumGuidedExtractHandler to 16 decimal (which is the MdePkg default too), yielding 32 + 16 * (16 + 8 + 8) == 544 bytes. Regarding the lifecycle of the new area: (a) when and how it is initialized after first boot of the VM The library linked into SecMain finds that the area lacks the signature. It initializes the signature, plus the rest of the structure. This is independent of S3 support. Consumption of the area is also limited to SEC (but consumption does depend on full-config-boot). (b) how it is protected from memory allocations during DXE It is not, in the general case; and we don't need to. Nothing else links against BaseExtractGuidedSectionLib; it's OK if DXE overwrites the area. (c) how it is protected from the OS When S3 is enabled, we cover it with AcpiNVS in InitializeRamRegions(). When S3 is not supported, the range is not protected. (d) how it is accessed on the S3 resume path Examined by the library linked into SecMain. Registrations update the table in-place (based on GUID matches). (e) how it is accessed on the warm reset path If S3 is enabled, then the OS won't damage the table (due to (c)), hence see (d). If S3 is unsupported, then the OS may or may not overwrite the signature. (It likely will.) This is identical to the pre-patch status. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15433 6f19259b-4bc3-4df7-8a09-765794883524
2014-04-05 23:26:09 +02:00
gUefiOvmfPkgTokenSpaceGuid.PcdGuidedExtractHandlerTableSize|0x0|UINT32|0x1a
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfDecompressionScratchEnd|0x0|UINT32|0x1f
## Pcd8259LegacyModeMask defines the default mask value for platform. This
# value is determined.
# 1) If platform only support pure UEFI, value should be set to 0xFFFF or
# 0xFFFE; Because only clock interrupt is allowed in legacy mode in pure
# UEFI platform.
# 2) If platform install CSM and use thunk module:
# a) If thunk call provided by CSM binary requires some legacy interrupt
# support, the corresponding bit should be opened as 0.
# For example, if keyboard interfaces provided CSM binary use legacy
# keyboard interrupt in 8259 bit 1, then the value should be set to
# 0xFFFC.
# b) If all thunk call provied by CSM binary do not require legacy
# interrupt support, value should be set to 0xFFFF or 0xFFFE.
#
# The default value of legacy mode mask could be changed by
# EFI_LEGACY_8259_PROTOCOL->SetMask(). But it is rarely need change it
# except some special cases such as when initializing the CSM binary, it
# should be set to 0xFFFF to mask all legacy interrupt. Please restore the
# original legacy mask value if changing is made for these special case.
gUefiOvmfPkgTokenSpaceGuid.Pcd8259LegacyModeMask|0xFFFF|UINT16|0x3
## Pcd8259LegacyModeEdgeLevel defines the default edge level for legacy
# mode's interrrupt controller.
# For the corresponding bits, 0 = Edge triggered and 1 = Level triggered.
gUefiOvmfPkgTokenSpaceGuid.Pcd8259LegacyModeEdgeLevel|0x0000|UINT16|0x5
## Indicates if BiosVideo driver will switch to 80x25 Text VGA Mode when
# exiting boot service.
# TRUE - Switch to Text VGA Mode.
# FALSE - Does not switch to Text VGA Mode.
gUefiOvmfPkgTokenSpaceGuid.PcdBiosVideoSetTextVgaModeEnable|FALSE|BOOLEAN|0x28
## Indicates if BiosVideo driver will check for VESA BIOS Extension service
# support.
# TRUE - Check for VESA BIOS Extension service.
# FALSE - Does not check for VESA BIOS Extension service.
gUefiOvmfPkgTokenSpaceGuid.PcdBiosVideoCheckVbeEnable|TRUE|BOOLEAN|0x29
## Indicates if BiosVideo driver will check for VGA service support.
# NOTE: If both PcdBiosVideoCheckVbeEnable and PcdBiosVideoCheckVgaEnable
# are set to FALSE, that means Graphics Output protocol will not be
# installed, the VGA miniport protocol will be installed instead.
# TRUE - Check for VGA service.<BR>
# FALSE - Does not check for VGA service.<BR>
gUefiOvmfPkgTokenSpaceGuid.PcdBiosVideoCheckVgaEnable|TRUE|BOOLEAN|0x2a
## Indicates if memory space for legacy region will be set as cacheable.
# TRUE - Set cachebility for legacy region.
# FALSE - Does not set cachebility for legacy region.
gUefiOvmfPkgTokenSpaceGuid.PcdLegacyBiosCacheLegacyRegion|TRUE|BOOLEAN|0x2b
## Specify memory size with bytes to reserve EBDA below 640K for OPROM.
# The value should be a multiple of 4KB.
gUefiOvmfPkgTokenSpaceGuid.PcdEbdaReservedMemorySize|0x8000|UINT32|0x2c
## Specify memory base address for OPROM to find free memory.
# Some OPROMs do not use EBDA or PMM to allocate memory for its usage,
# instead they find the memory filled with zero from 0x20000.
# The value should be a multiple of 4KB.
# The range should be below the EBDA reserved range from
# (CONVENTIONAL_MEMORY_TOP - Reserved EBDA Memory Size) to
# CONVENTIONAL_MEMORY_TOP.
gUefiOvmfPkgTokenSpaceGuid.PcdOpromReservedMemoryBase|0x60000|UINT32|0x2d
## Specify memory size with bytes for OPROM to find free memory.
# The value should be a multiple of 4KB. And the range should be below the
# EBDA reserved range from
# (CONVENTIONAL_MEMORY_TOP - Reserved EBDA Memory Size) to
# CONVENTIONAL_MEMORY_TOP.
gUefiOvmfPkgTokenSpaceGuid.PcdOpromReservedMemorySize|0x28000|UINT32|0x2e
## Specify the end of address below 1MB for the OPROM.
# The last shadowed OpROM should not exceed this address.
gUefiOvmfPkgTokenSpaceGuid.PcdEndOpromShadowAddress|0xdffff|UINT32|0x2f
## Specify the low PMM (Post Memory Manager) size with bytes below 1MB.
# The value should be a multiple of 4KB.
# @Prompt Low PMM (Post Memory Manager) Size
gUefiOvmfPkgTokenSpaceGuid.PcdLowPmmMemorySize|0x10000|UINT32|0x30
## Specify the high PMM (Post Memory Manager) size with bytes above 1MB.
# The value should be a multiple of 4KB.
gUefiOvmfPkgTokenSpaceGuid.PcdHighPmmMemorySize|0x400000|UINT32|0x31
gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr|0x0|UINT32|0x17
gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize|0x0|UINT32|0x32
## Number of page frames to use for storing grant table entries.
gUefiOvmfPkgTokenSpaceGuid.PcdXenGrantFrames|4|UINT32|0x33
OvmfPkg: Create a GHCB page for use during Sec phase BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 A GHCB page is needed during the Sec phase, so this new page must be created. Since the #VC exception handler routines assume that a per-CPU variable area is immediately after the GHCB, this per-CPU variable area must also be created. Since the GHCB must be marked as an un-encrypted, or shared, page, an additional pagetable page is required to break down the 2MB region where the GHCB page lives into 4K pagetable entries. Create a new entry in the OVMF memory layout for the new page table page and for the SEC GHCB and per-CPU variable pages. After breaking down the 2MB page, update the GHCB page table entry to remove the encryption mask. The GHCB page will be used by the SEC #VC exception handler. The #VC exception handler will fill in the necessary fields of the GHCB and exit to the hypervisor using the VMGEXIT instruction. The hypervisor then accesses the GHCB in order to perform the requested function. Four new fixed PCDs are needed to support the SEC GHCB page: - PcdOvmfSecGhcbBase UINT32 value that is the base address of the GHCB used during the SEC phase. - PcdOvmfSecGhcbSize UINT32 value that is the size, in bytes, of the GHCB area used during the SEC phase. - PcdOvmfSecGhcbPageTableBase UINT32 value that is address of a page table page used to break down the 2MB page into 512 4K pages. - PcdOvmfSecGhcbPageTableSize UINT32 value that is the size, in bytes, of the page table page. Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
2020-08-12 22:21:40 +02:00
## Specify the extra page table needed to mark the GHCB as unencrypted.
# The value should be a multiple of 4KB for each.
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbPageTableBase|0x0|UINT32|0x3e
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbPageTableSize|0x0|UINT32|0x3f
## The base address of the SEC GHCB page used by SEV-ES.
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbBase|0|UINT32|0x40
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbSize|0|UINT32|0x41
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbBackupBase|0|UINT32|0x44
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecGhcbBackupSize|0|UINT32|0x45
OvmfPkg: Create a GHCB page for use during Sec phase BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2198 A GHCB page is needed during the Sec phase, so this new page must be created. Since the #VC exception handler routines assume that a per-CPU variable area is immediately after the GHCB, this per-CPU variable area must also be created. Since the GHCB must be marked as an un-encrypted, or shared, page, an additional pagetable page is required to break down the 2MB region where the GHCB page lives into 4K pagetable entries. Create a new entry in the OVMF memory layout for the new page table page and for the SEC GHCB and per-CPU variable pages. After breaking down the 2MB page, update the GHCB page table entry to remove the encryption mask. The GHCB page will be used by the SEC #VC exception handler. The #VC exception handler will fill in the necessary fields of the GHCB and exit to the hypervisor using the VMGEXIT instruction. The hypervisor then accesses the GHCB in order to perform the requested function. Four new fixed PCDs are needed to support the SEC GHCB page: - PcdOvmfSecGhcbBase UINT32 value that is the base address of the GHCB used during the SEC phase. - PcdOvmfSecGhcbSize UINT32 value that is the size, in bytes, of the GHCB area used during the SEC phase. - PcdOvmfSecGhcbPageTableBase UINT32 value that is address of a page table page used to break down the 2MB page into 512 4K pages. - PcdOvmfSecGhcbPageTableSize UINT32 value that is the size, in bytes, of the page table page. Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Laszlo Ersek <lersek@redhat.com> Cc: Ard Biesheuvel <ard.biesheuvel@arm.com> Reviewed-by: Laszlo Ersek <lersek@redhat.com> Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com> Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
2020-08-12 22:21:40 +02:00
## The base address and size of the SEV Launch Secret Area provisioned
# after remote attestation. If this is set in the .fdf, the platform
# is responsible for protecting the area from DXE phase overwrites.
gUefiOvmfPkgTokenSpaceGuid.PcdSevLaunchSecretBase|0x0|UINT32|0x42
gUefiOvmfPkgTokenSpaceGuid.PcdSevLaunchSecretSize|0x0|UINT32|0x43
## The base address and size of a hash table confirming allowed
# parameters to be passed in via the Qemu firmware configuration
# device
gUefiOvmfPkgTokenSpaceGuid.PcdQemuHashTableBase|0x0|UINT32|0x47
gUefiOvmfPkgTokenSpaceGuid.PcdQemuHashTableSize|0x0|UINT32|0x48
## The base address and size of the work area used during the SEC
# phase by the SEV and TDX supports.
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfWorkAreaBase|0|UINT32|0x49
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfWorkAreaSize|0|UINT32|0x50
## The work area contains a fixed size header in the Include/WorkArea.h.
# The size of this header is used early boot, and is provided through
# a fixed PCD. It need to be kept in sync with any changes to the
# header definition.
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfConfidentialComputingWorkAreaHeader|4|UINT32|0x51
OvmfPkg: Add IntelTdxMetadata.asm RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429 In TDX when host VMM creates a new guest TD, some initial set of TD-private pages are added using the TDH.MEM.PAGE.ADD function. These pages typically contain Virtual BIOS code and data along with some clear pages for stacks and heap. In the meanwhile, some configuration data need be measured by host VMM. Tdx Metadata is designed for this purpose to indicate host VMM how to do the above tasks. More detailed information of Metadata is in [TDVF] Section 11. Tdx Metadata describes the information about the image for VMM use. For example, the base address and length of the TdHob, Bfv, Cfv, etc. The offset of the Metadata is stored in a GUID-ed structure which is appended in the GUID-ed chain from a fixed GPA (0xffffffd0). In this commit there are 2 new definitions of BFV & CFV. Tdx Virtual Firmware (TDVF) includes one Firmware Volume (FV) known as the Boot Firmware Volume (BFV). The FV format is defined in the UEFI Platform Initialization (PI) spec. BFV includes all TDVF components required during boot. TDVF also include a configuration firmware volume (CFV) that is separated from the BFV. The reason is because the CFV is measured in RTMR, while the BFV is measured in MRTD. In practice BFV is the code part of Ovmf image (OVMF_CODE.fd). CFV is the vars part of Ovmf image (OVMF_VARS.fd). Since AMD SEV has already defined some SEV specific memory region in MEMFD. TDX re-uses some of the memory regions defined by SEV. - MailBox : PcdOvmfSecGhcbBackupBase|PcdOvmfSecGhcbBackupSize - TdHob : PcdOvmfSecGhcbBase|PcdOvmfSecGhcbSize [TDVF] https://software.intel.com/content/dam/develop/external/us/en/ documents/tdx-virtual-firmware-design-guide-rev-1.pdf Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Erdem Aktas <erdemaktas@google.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Min Xu <min.m.xu@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
2021-09-28 04:47:29 +02:00
## The base address and size of the TDX Cfv base and size.
gUefiOvmfPkgTokenSpaceGuid.PcdCfvBase|0|UINT32|0x52
gUefiOvmfPkgTokenSpaceGuid.PcdCfvRawDataOffset|0|UINT32|0x53
gUefiOvmfPkgTokenSpaceGuid.PcdCfvRawDataSize|0|UINT32|0x54
## The base address and size of the TDX Bfv base and size.
gUefiOvmfPkgTokenSpaceGuid.PcdBfvBase|0|UINT32|0x55
gUefiOvmfPkgTokenSpaceGuid.PcdBfvRawDataOffset|0|UINT32|0x56
gUefiOvmfPkgTokenSpaceGuid.PcdBfvRawDataSize|0|UINT32|0x57
## The base address and size of the SEV-SNP Secrets Area that contains
# the VM platform communication key used to send and recieve the
# messages to the PSP. If this is set in the .fdf, the platform
# is responsible to reserve this area from DXE phase overwrites.
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSnpSecretsBase|0|UINT32|0x58
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSnpSecretsSize|0|UINT32|0x59
## The base address and size of a CPUID Area that contains the hypervisor
# provided CPUID results. In the case of SEV-SNP, the CPUID results are
# filtered by the SEV-SNP firmware. If this is set in the .fdf, the
# platform is responsible to reserve this area from DXE phase overwrites.
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfCpuidBase|0|UINT32|0x60
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfCpuidSize|0|UINT32|0x61
## The range of memory that is validated by the SEC phase.
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecValidatedStart|0|UINT32|0x62
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfSecValidatedEnd|0|UINT32|0x63
OvmfPkg: Update PlatformInitLib to process Tdx hoblist RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429 When host VMM create the Td guest, the system memory informations are stored in TdHob, which is a memory region described in Tdx metadata. The system memory region in TdHob should be accepted before it can be accessed. So the newly added function (ProcessTdxHobList) is to process the TdHobList to accept the memory. Because TdHobList is provided by host VMM which is not trusted, so its content should be checked before it is consumed by TDVF. Because ProcessTdxHobList is to be called in SEC phase, so PlatformInitLib.inf is updated to support SEC. Note: In this patch it is BSP which accepts the pages. So there maybe boot performance issue. There are some mitigations to this issue, such as lazy accept, 2M accept page size, etc. We will re-visit here in the future. EFI_RESOURCE_MEMORY_UNACCEPTED is a new ResourceType in EFI_HOB_RESOURCE_DESCRIPTOR. It is defined for the unaccepted memory passed from Host VMM. This is proposed in microsoft/mu_basecore#66 files#diff-b20a11152d1ce9249c691be5690b4baf52069efadf2e2546cdd2eb663d80c9 e4R237 according to UEFI-Code-First. The proposal was approved in 2021 in UEFI Mantis, and will be added to the new PI.next specification. Per the MdePkg reviewer's comments, before this new ResourceType is added in the PI spec, it should not be in MdePkg. So it is now defined as an internal implementation and will be moved to MdePkg/Include/Pi/PiHob.h after it is added in PI spec. See https://edk2.groups.io/g/devel/message/87641 PcdTdxAcceptPageSize is added for page accepting. Currently TDX supports 4K and 2M accept page size. The default value is 2M. Tdx guest is only supported in X64. So for IA32 ProcessTdxHobList just returns EFI_UNSUPPORTED. Cc: Ard Biesheuvel <ardb+tianocore@kernel.org> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Brijesh Singh <brijesh.singh@amd.com> Cc: Erdem Aktas <erdemaktas@google.com> Cc: James Bottomley <jejb@linux.ibm.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Tom Lendacky <thomas.lendacky@amd.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> Signed-off-by: Min Xu <min.m.xu@intel.com>
2022-02-16 06:32:13 +01:00
## The Tdx accept page size. 0x1000(4k),0x200000(2M)
gUefiOvmfPkgTokenSpaceGuid.PcdTdxAcceptPageSize|0x200000|UINT32|0x65
## The QEMU fw_cfg variable that UefiDriverEntryPointFwCfgOverrideLib will
# check to decide whether to abort dispatch of the driver it is linked into.
gUefiOvmfPkgTokenSpaceGuid.PcdEntryPointOverrideFwCfgVarName|""|VOID*|0x68
[PcdsDynamic, PcdsDynamicEx]
gUefiOvmfPkgTokenSpaceGuid.PcdEmuVariableEvent|0|UINT64|2
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfFlashVariablesEnable|FALSE|BOOLEAN|0x10
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfHostBridgePciDevId|0|UINT16|0x1b
gUefiOvmfPkgTokenSpaceGuid.PcdQemuSmbiosValidated|FALSE|BOOLEAN|0x21
## The IO port aperture shared by all PCI root bridges.
#
gUefiOvmfPkgTokenSpaceGuid.PcdPciIoBase|0x0|UINT64|0x22
gUefiOvmfPkgTokenSpaceGuid.PcdPciIoSize|0x0|UINT64|0x23
## The 32-bit MMIO aperture shared by all PCI root bridges.
#
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Base|0x0|UINT64|0x24
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio32Size|0x0|UINT64|0x25
OvmfPkg: PlatformPei: determine the 64-bit PCI host aperture for X64 DXE The main observation about the 64-bit PCI host aperture is that it is the highest part of the useful address space. It impacts the top of the GCD memory space map, and, consequently, our maximum address width calculation for the CPU HOB too. Thus, modify the GetFirstNonAddress() function to consider the following areas above the high RAM, while calculating the first non-address (i.e., the highest inclusive address, plus one): - the memory hotplug area (optional, the size comes from QEMU), - the 64-bit PCI host aperture (we set a default size). While computing the first non-address, capture the base and the size of the 64-bit PCI host aperture at once in PCDs, since they are natural parts of the calculation. (Similarly to how PcdPciMmio32* are not rewritten on the S3 resume path (see the InitializePlatform() -> MemMapInitialization() condition), nor are PcdPciMmio64*. Only the core PciHostBridgeDxe driver consumes them, through our PciHostBridgeLib instance.) Set 32GB as the default size for the aperture. Issue#59 mentions the NVIDIA Tesla K80 as an assignable device. According to nvidia.com, these cards may have 24GB of memory (probably 16GB + 8GB BARs). As a strictly experimental feature, the user can specify the size of the aperture (in MB) as well, with the QEMU option -fw_cfg name=opt/ovmf/X-PciMmio64Mb,string=65536 The "X-" prefix follows the QEMU tradition (spelled "x-" there), meaning that the property is experimental, unstable, and might go away any time. Gerd has proposed heuristics for sizing the aperture automatically (based on 1GB page support and PCPU address width), but such should be delayed to a later patch (which may very well back out "X-PciMmio64Mb" then). For "everyday" guests, the 32GB default for the aperture size shouldn't impact the PEI memory demand (the size of the page tables that the DXE IPL PEIM builds). Namely, we've never reported narrower than 36-bit addresses; the DXE IPL PEIM has always built page tables for 64GB at least. For the aperture to bump the address width above 36 bits, either the guest must have quite a bit of memory itself (in which case the additional PEI memory demand shouldn't matter), or the user must specify a large aperture manually with "X-PciMmio64Mb" (and then he or she is also responsible for giving enough RAM to the VM, to satisfy the PEI memory demand). Cc: Gerd Hoffmann <kraxel@redhat.com> Cc: Jordan Justen <jordan.l.justen@intel.com> Cc: Marcel Apfelbaum <marcel@redhat.com> Cc: Thomas Lamprecht <t.lamprecht@proxmox.com> Ref: https://github.com/tianocore/edk2/issues/59 Ref: http://www.nvidia.com/object/tesla-servers.html Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>
2016-03-04 19:30:45 +01:00
## The 64-bit MMIO aperture shared by all PCI root bridges.
#
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Base|0x0|UINT64|0x26
gUefiOvmfPkgTokenSpaceGuid.PcdPciMmio64Size|0x0|UINT64|0x27
## The following setting controls how many megabytes we configure as TSEG on
# Q35, for SMRAM purposes. Permitted defaults are: 1, 2, 8. Other defaults
# cause undefined behavior. During boot, the PCD is updated by PlatformPei
# to reflect the extended TSEG size, if one is advertized by QEMU.
#
# This PCD is only accessed if PcdSmmSmramRequire is TRUE (see below).
gUefiOvmfPkgTokenSpaceGuid.PcdQ35TsegMbytes|8|UINT16|0x20
## Set to TRUE by PlatformPei if the Q35 board supports the "SMRAM at default
# SMBASE" feature.
#
# This PCD is only accessed if PcdSmmSmramRequire is TRUE (see below).
gUefiOvmfPkgTokenSpaceGuid.PcdQ35SmramAtDefaultSmbase|FALSE|BOOLEAN|0x34
## This PCD adds a communication channel between OVMF's SmmCpuFeaturesLib
# instance in PiSmmCpuDxeSmm, and CpuHotplugSmm.
gUefiOvmfPkgTokenSpaceGuid.PcdCpuHotEjectDataAddress|0|UINT64|0x46
OvmfPkg: add PcdVideoResolutionSource It's a UINT8 (enum) PCD telling where the PcdVideoHorizontalResolution and PcdVideoVerticalResolution values are coming from. It can be: 0 (unset aka default from dsc file), or 1 (from PlatformConfig), or 2 (set by Video Driver). It will be used by video drivers to avoid overriding PlatformConfig values, or override each others values in case multiple display devices are present. The underlying problem this tries to solve is that the GOP protocol has no way to indicate the preferred video mode. On physical hardware this isn't much of a problem because using the highest resolution available works just fine as that is typically the native display resolution But in a virtual machine you don't want come up with a huge 4k window by default just because the virtual vga is able to handle that. Cutting down the video mode list isn't a great solution either as that would also remove the modes from the platform configuration so the user wouldn't be able to pick a resolution higher than the default any more. So with patch drivers can use use PcdVideoHorizontalResolution and PcdVideoVerticalResolution to indicate what the preferred display resolution is, without overwriting the user preferences from PlatformConfig if present. A possible alternative approach would be to extend the GOP protocol, but I'm not sure this is a good plan given this is mostly a problem for virtual machines and using PCDs allows to keep this local to OvmfPkg. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Ard Biesheuvel <ardb@kernel.org>
2022-01-29 17:26:14 +01:00
## This PCD tracks where PcdVideo{Horizontal,Vertical}Resolution
# values are coming from.
# 0 - unset (defaults from platform dsc)
# 1 - set from PlatformConfig
# 2 - set by GOP Driver.
gUefiOvmfPkgTokenSpaceGuid.PcdVideoResolutionSource|0|UINT8|0x64
## This PCD records LAML field in CC EVENTLOG ACPI table.
gUefiOvmfPkgTokenSpaceGuid.PcdCcEventlogAcpiTableLaml|0|UINT32|0x66
## This PCD records LASA field in CC EVENTLOG ACPI table.
gUefiOvmfPkgTokenSpaceGuid.PcdCcEventlogAcpiTableLasa|0|UINT64|0x67
[PcdsFeatureFlag]
gUefiOvmfPkgTokenSpaceGuid.PcdQemuBootOrderPciTranslation|TRUE|BOOLEAN|0x1c
gUefiOvmfPkgTokenSpaceGuid.PcdQemuBootOrderMmioTranslation|FALSE|BOOLEAN|0x1d
## This feature flag enables SMM/SMRAM support. Note that it also requires
# such support from the underlying QEMU instance; if that support is not
# present, the firmware will reject continuing after a certain point.
#
# The flag also acts as a general "security switch"; when TRUE, many
# components will change behavior, with the goal of preventing a malicious
# runtime OS from tampering with firmware structures (special memory ranges
# used by OVMF, the varstore pflash chip, LockBox etc).
gUefiOvmfPkgTokenSpaceGuid.PcdSmmSmramRequire|FALSE|BOOLEAN|0x1e
## Informs modules (including pre-DXE-phase modules) whether the platform
# firmware contains a CSM (Compatibility Support Module).
#
gUefiOvmfPkgTokenSpaceGuid.PcdCsmEnable|FALSE|BOOLEAN|0x35