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backends/igvm: Fix memory leak#12

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peterfang wants to merge 82 commits intococonut-svsm:svsm-igvmcoconut-svsm/qemu:svsm-igvmfrom peterfang:igvm-fix-mem-leakpeterfang/svsm-qemu:igvm-fix-mem-leakCopy head branch name to clipboard

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Commits on Jan 9, 2024

• i386/pc: Drop pc_machine_kvm_type()

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• i386/cpuid: Decrease cpuid_i when skipping CPUID leaf 1F

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• i386/cpuid: Remove subleaf constraint on CPUID leaf 1F

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• trace/kvm: Split address space and slot id in trace_kvm_set_user_memory()

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• *** HACK *** linux-headers: Update headers to pull in gmem APIs

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• RAMBlock: Add support of KVM private guest memfd

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• RAMBlock/guest_memfd: Enable KVM_GUEST_MEMFD_ALLOW_HUGEPAGE

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• HostMem: Add mechanism to opt in kvm guest memfd via MachineState

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• kvm: Enable KVM_SET_USER_MEMORY_REGION2 for memslot

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• kvm: Introduce support for memory_attributes

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• physmem: Relax the alignment check of host_startaddr in ram_block_discard_range()

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• physmem: replace function name with __func__ in ram_block_discard_range()

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• physmem: Introduce ram_block_convert_range() for page conversion

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• kvm: handle KVM_EXIT_MEMORY_FAULT

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• trace/kvm: Add trace for page convertion between shared and private

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• target/i386: Implement mc->kvm_type() to get VM type

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• target/i386: Parse TDX vm type

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• target/i386: Introduce kvm_confidential_guest_init()

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• kvm/memory: Introduce the infrastructure to set the default shared/private value

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• memory: Introduce memory_region_init_ram_guest_memfd()

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• pci-host/q35: Move PAM initialization above SMRAM initialization

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• q35: Introduce smm_ranges property for q35-pci-host

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• Revert "target/i386: Parse TDX vm type"

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• *kvm: Use new KVM_MEM_GUEST_MEMFD flag instead of KVM_MEM_PRIVATE

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• Update kernel headers for snp-host-v11

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• i386/sev: Introduce "sev-common" type to encapsulate common SEV state

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• i386/sev: Introduce 'sev-snp-guest' object

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• i386/sev: Initialize SNP context

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• i386/sev: Add the SNP launch start context

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• i386/sev: Add support to encrypt BIOS when SEV-SNP is enabled

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• hw/i386: Add function to get SEV metadata from ovmf header

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• i386/sev: Populate secrets and cpuid page and finalize the SNP launch

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• target/i386: Set SEV-SNP CPUID bit when SNP enabled

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• i386/sev: Add support for SNP CPUID validation

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• i386/sev: Update query-sev QAPI format to handle SEV-SNP

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• *i386/sev: Don't return launch measurements for SEV-SNP guests

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• qapi, i386: Move kernel-hashes to SevCommonProperties

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• i386/sev: Extract build_kernel_loader_hashes

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• i386/sev: Reorder struct declarations

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• i386/sev: Allow measured direct kernel boot on SNP

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• *i386/sev: Queue up the SNP launch updates to perform at launch finish

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• *kvm: Make kvm_convert_memory() non-static

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• *squash: snp_launch_update: convert initial payload to private

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• *add memory_region_init_rom_device_private

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• *update sev_kvm_init to set require_guest_memfd for SNP

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• *set KVM_X86_SNP_VM when creating SNP KVM instance

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• *kvm: Add kvm_has_restricted_memory() helper

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• *disable SMM and set ms->require_guest_memfd for SNP

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• *automatically use guest_memfd for ROM regions

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• *also call sev_kvm_init() for sev-snp-guest CGS object init

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• *i386/sev: Add handling for KVM_EXIT_VMGEXIT

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• *sev: combine contiguous memory attr updates

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• *memory fault debug

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• *fix up and rework error/return code handling for PSCs

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• *use guest_memfd for legacy ROMs

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• *update headers for SNP hypervisor v11

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• *drop use of KVM_GUEST_MEMFD_ALLOW_HUGEPAGE flag

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• *use new VMGEXIT handling for page-state changes

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• *initial support for supplying certs for extended requests

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• *fix non-SNP handling for memory regions

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• *skip RAMBlock notifiers for SNP

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Commits on Apr 2, 2024

• meson: Add optional dependency on IGVM library

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• backends/confidential-guest-support: Add IGVM file parameter

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• backends/confidential-guest-support: Add functions to support IGVM

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• backends/igvm: Implement parsing and processing of IGVM files

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• i386/pc: Process IGVM file during PC initialization if present

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• i386/pc_sysfw: Ensure sysfw flash configuration does not conflict with IGVM

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• i386/cpu: Fix handling of LDTR an TR in cpu_x86_load_seg_cache()

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• i386/sev: Refactor setting of reset vector and initial CPU state

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• i386/sev: Implement ConfidentialGuestSupport functions for SEV

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• docs/system: Add documentation on support for IGVM

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• i386/sev: Fix error handling in sev_get_capabilities()

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Commits on Apr 3, 2024

• backends/confidential-guest-support: Add set_guest_policy() function

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Commits on Apr 8, 2024

• backends/igvm: Process initialization sections in IGVM file

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• backends/igvm: Handle policy for SEV guests

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• i386/sev: Add implementation of CGS set_guest_policy()

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• i386/sev: Fix error handling in sev_snp_launch_finish()

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• i386/sev: Sync additional VMSA segment registers

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Commits on Apr 11, 2024

• backends/igvm: Fix compile error when built without --enable-igvm

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Commits on Apr 12, 2024

• Merge pull request coconut-svsm#9 from vijaydhanraj/svsm-igvm

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• Merge pull request coconut-svsm#7 from roy-hopkins/snp-v3-wip-igvm_v2_idblock

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Commits on May 7, 2024

• backends/igvm: Fix memory leak

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