On Sat, 2024-07-20 at 14:26 -0400, Michael S. Tsirkin wrote: > On Wed, Jul 03, 2024 at 12:05:38PM +0100, Roy Hopkins wrote: > > Here is v4 of the set of patches to add support for IGVM files to QEMU. This > > is > > based on commit 1a2d52c7fc of qemu. > > > > This version addresses all of the review comments from v3 along with a > > couple of > > small bug fixes. This is a much smaller increment than in the previous > > version > > of the series [1]. Thanks once again to the reviewers that have been looking > > at > > this series. This v4 patch series is also available on github: [2] > > > > The previous version had a build issue when building without debug enabled. > > Patch 8/17 has been added to fix this and I've updated my own process to > > test > > both debug and release builds of QEMU. > > > > For testing IGVM support in QEMU you need to generate an IGVM file that is > > configured for the platform you want to launch. You can use the `buildigvm` > > test tool [3] to allow generation of IGVM files for all currently supported > > platforms. Patch 11/17 contains information on how to generate an IGVM file > > using this tool. > > PC things: > > Acked-by: Michael S. Tsirkin <m...@redhat.com> > >
Hi Michael, Thanks for this. Can I add your ack to all commits, or just the PC specific ones? Regards, Roy > > Changes in v4: > > > > * Remove unused '#ifdef CONFIG_IGVM' sections > > * Add "'if': 'CONFIG_IGVM'" for IgvmCfgProperties in qom.json > > * Use error_fatal instead of error_abort in suggested locations > > * Prevent addition of bios code when an IGVM file is provided and > > pci_enabled is false > > * Add patch 6/17 to fix error handling from sev_encrypt_flash() > > * Revert unrequired changes to return values in sev/*_launch_update() > > functions > > * Add documentation to igvm.rst to describe how to use 'buildigvm' > > * Various convention and code style changes as suggested in reviews > > * Fix handling of sev_features for kernels that do not support KVM_SEV_INIT2 > > * Move igvm-cfg from MachineState to X86MachineState > > > > Patch summary: > > > > 1-12: Add support and documentation for processing IGVM files for SEV, SEV- > > ES, > > SEV-SNP and native platforms. > > > > 13-16: Processing of policy and SEV-SNP ID_BLOCK from IGVM file. > > > > 17: Add pre-processing of IGVM file to support synchronization of > > 'SEV_FEATURES' > > from IGVM VMSA to KVM. > > > > [1] Link to v3: > > https://lore.kernel.org/qemu-devel/cover.1718979106.git.roy.hopk...@suse.com/ > > > > [2] v4 patches also available here: > > https://github.com/roy-hopkins/qemu/tree/igvm_master_v4 > > > > [3] `buildigvm` tool v0.2.0 > > https://github.com/roy-hopkins/buildigvm/releases/tag/v0.2.0 > > > > Roy Hopkins (17): > > meson: Add optional dependency on IGVM library > > backends/confidential-guest-support: Add functions to support IGVM > > backends/igvm: Add IGVM loader and configuration > > hw/i386: Add igvm-cfg object and processing for IGVM files > > i386/pc_sysfw: Ensure sysfw flash configuration does not conflict with > > IGVM > > sev: Fix error handling in sev_encrypt_flash() > > sev: Update launch_update_data functions to use Error handling > > target/i386: Allow setting of R_LDTR and R_TR with > > cpu_x86_load_seg_cache() > > i386/sev: Refactor setting of reset vector and initial CPU state > > i386/sev: Implement ConfidentialGuestSupport functions for SEV > > docs/system: Add documentation on support for IGVM > > docs/interop/firmware.json: Add igvm to FirmwareDevice > > backends/confidential-guest-support: Add set_guest_policy() function > > backends/igvm: Process initialization sections in IGVM file > > backends/igvm: Handle policy for SEV guests > > i386/sev: Add implementation of CGS set_guest_policy() > > sev: Provide sev_features flags from IGVM VMSA to KVM_SEV_INIT2 > > > > docs/interop/firmware.json | 9 +- > > docs/system/i386/amd-memory-encryption.rst | 2 + > > docs/system/igvm.rst | 173 ++++ > > docs/system/index.rst | 1 + > > meson.build | 8 + > > qapi/qom.json | 17 + > > backends/igvm.h | 23 + > > include/exec/confidential-guest-support.h | 96 +++ > > include/hw/i386/x86.h | 3 + > > include/sysemu/igvm-cfg.h | 54 ++ > > target/i386/cpu.h | 9 +- > > target/i386/sev.h | 124 +++ > > backends/confidential-guest-support.c | 43 + > > backends/igvm-cfg.c | 66 ++ > > backends/igvm.c | 958 +++++++++++++++++++++ > > hw/i386/pc.c | 12 + > > hw/i386/pc_piix.c | 10 + > > hw/i386/pc_q35.c | 10 + > > hw/i386/pc_sysfw.c | 31 +- > > target/i386/sev.c | 844 ++++++++++++++++-- > > backends/meson.build | 5 + > > meson_options.txt | 2 + > > qemu-options.hx | 25 + > > scripts/meson-buildoptions.sh | 3 + > > 24 files changed, 2447 insertions(+), 81 deletions(-) > > create mode 100644 docs/system/igvm.rst > > create mode 100644 backends/igvm.h > > create mode 100644 include/sysemu/igvm-cfg.h > > create mode 100644 backends/igvm-cfg.c > > create mode 100644 backends/igvm.c > > > > -- > > 2.43.0 >
