c5f23bccde
Create the MSHV virtual machine by opening a partition and issuing the necessary ioctl to initialize it. This sets up the basic VM structure and initial configuration used by MSHV to manage guest state. Signed-off-by: Magnus Kulke <magnuskulke@linux.microsoft.com> Link: https://lore.kernel.org/r/20250916164847.77883-10-magnuskulke@linux.microsoft.com [Add stubs; fix format strings for trace-events; make mshv_hvcall available only in per-target files; mshv.h/mshv_int.h split. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
/*
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* QEMU MSHV support
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*
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* Copyright Microsoft, Corp. 2025
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*
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* Authors: Ziqiao Zhou <ziqiaozhou@microsoft.com>
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* Magnus Kulke <magnuskulke@microsoft.com>
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* Jinank Jain <jinankjain@microsoft.com>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*
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*/
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#ifndef QEMU_MSHV_INT_H
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#define QEMU_MSHV_INT_H
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struct AccelCPUState {
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int cpufd;
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bool dirty;
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};
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typedef struct MshvMemoryListener {
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MemoryListener listener;
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int as_id;
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} MshvMemoryListener;
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typedef struct MshvAddressSpace {
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MshvMemoryListener *ml;
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AddressSpace *as;
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} MshvAddressSpace;
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struct MshvState {
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AccelState parent_obj;
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int vm;
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MshvMemoryListener memory_listener;
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/* number of listeners */
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int nr_as;
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MshvAddressSpace *as;
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int fd;
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};
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typedef struct MshvMsiControl {
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bool updated;
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GHashTable *gsi_routes;
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} MshvMsiControl;
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void mshv_arch_amend_proc_features(
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union hv_partition_synthetic_processor_features *features);
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int mshv_arch_post_init_vm(int vm_fd);
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#if defined COMPILING_PER_TARGET && defined CONFIG_MSHV_IS_POSSIBLE
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int mshv_hvcall(int fd, const struct mshv_root_hvcall *args);
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#endif
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/* memory */
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typedef struct MshvMemoryRegion {
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uint64_t guest_phys_addr;
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uint64_t memory_size;
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uint64_t userspace_addr;
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bool readonly;
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} MshvMemoryRegion;
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void mshv_set_phys_mem(MshvMemoryListener *mml, MemoryRegionSection *section,
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bool add);
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/* interrupt */
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void mshv_init_msicontrol(void);
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int mshv_reserve_ioapic_msi_routes(int vm_fd);
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#endif
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