2019-02-22 16:04:35 +00:00
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[package]
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authors = ["The Cloud Hypervisor Authors"]
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2022-04-08 15:11:04 +00:00
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edition = "2021"
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2024-05-08 08:56:31 +00:00
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name = "vmm"
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version = "0.1.0"
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2019-02-22 16:04:35 +00:00
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2019-09-03 13:54:06 +00:00
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[features]
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2023-03-22 21:03:02 +00:00
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dbus_api = ["blocking", "futures", "zbus"]
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2024-05-08 08:56:31 +00:00
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default = []
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2024-07-17 12:09:01 +00:00
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dhat-heap = ["dhat"] # For heap profiling
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2024-06-18 14:22:36 +00:00
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guest_debug = ["gdbstub", "gdbstub_arch", "kvm"]
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igvm = ["dep:igvm", "hex", "igvm_defs", "mshv-bindings", "range_map_vec"]
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2023-07-12 02:24:28 +00:00
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io_uring = ["block/io_uring"]
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2024-07-17 12:09:01 +00:00
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kvm = [
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"arch/kvm",
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"hypervisor/kvm",
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"pci/kvm",
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"vfio-ioctls/kvm",
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"vm-device/kvm",
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]
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2024-06-18 14:22:36 +00:00
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mshv = ["hypervisor/mshv", "pci/mshv", "vfio-ioctls/mshv", "vm-device/mshv"]
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devices: Add pvmemcontrol device
Pvmemcontrol provides a way for the guest to control its physical memory
properties, and enables optimizations and security features. For
example, the guest can provide information to the host where parts of a
hugepage may be unbacked, or sensitive data may not be swapped out, etc.
Pvmemcontrol allows guests to manipulate its gPTE entries in the SLAT,
and also some other properties of the memory map the back's host memory.
This is achieved by using the KVM_CAP_SYNC_MMU capability. When this
capability is available, the changes in the backing of the memory region
on the host are automatically reflected into the guest. For example, an
mmap() or madvise() that affects the region will be made visible
immediately.
There are two components of the implementation: the guest Linux driver
and Virtual Machine Monitor (VMM) device. A guest-allocated shared
buffer is negotiated per-cpu through a few PCI MMIO registers, the VMM
device assigns a unique command for each per-cpu buffer. The guest
writes its pvmemcontrol request in the per-cpu buffer, then writes the
corresponding command into the command register, calling into the VMM
device to perform the pvmemcontrol request.
The synchronous per-cpu shared buffer approach avoids the kick and busy
waiting that the guest would have to do with virtio virtqueue transport.
The Cloud Hypervisor component can be enabled with --pvmemcontrol.
Co-developed-by: Stanko Novakovic <stanko@google.com>
Co-developed-by: Pasha Tatashin <tatashin@google.com>
Signed-off-by: Yuanchu Xie <yuanchu@google.com>
2023-10-25 22:46:47 +00:00
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pvmemcontrol = ["devices/pvmemcontrol"]
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2024-05-07 10:32:46 +00:00
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sev_snp = ["arch/sev_snp", "hypervisor/sev_snp", "virtio-devices/sev_snp"]
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2021-02-12 15:17:18 +00:00
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tdx = ["arch/tdx", "hypervisor/tdx"]
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2022-06-21 14:01:26 +00:00
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tracing = ["tracer/tracing"]
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2019-09-03 13:54:06 +00:00
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2019-02-22 16:04:35 +00:00
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[dependencies]
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2024-09-27 02:27:43 +00:00
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acpi_tables = { workspace = true }
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2024-12-04 23:40:16 +00:00
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anyhow = "1.0.94"
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2024-04-06 07:47:54 +00:00
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arc-swap = "1.7.1"
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2019-02-28 13:16:58 +00:00
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arch = { path = "../arch" }
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2024-08-12 23:39:04 +00:00
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bitflags = "2.6.0"
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2023-07-12 02:24:28 +00:00
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block = { path = "../block" }
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2024-06-11 23:46:06 +00:00
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blocking = { version = "1.6.1", optional = true }
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2022-12-20 04:39:20 +00:00
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cfg-if = "1.0.0"
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2024-08-19 23:10:10 +00:00
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clap = "4.5.13"
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2019-03-07 13:56:43 +00:00
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devices = { path = "../devices" }
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2024-05-07 10:29:02 +00:00
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dhat = { version = "0.3.3", optional = true }
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2023-07-04 23:04:49 +00:00
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epoll = "4.3.3"
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2021-02-17 11:24:36 +00:00
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event_monitor = { path = "../event_monitor" }
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2024-10-29 23:52:39 +00:00
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flume = "0.11.1"
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2024-02-07 09:27:32 +00:00
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futures = { version = "0.3.30", optional = true }
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2024-01-25 23:27:07 +00:00
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gdbstub = { version = "0.7.1", optional = true }
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2023-12-01 23:36:37 +00:00
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gdbstub_arch = { version = "0.3.0", optional = true }
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2023-10-10 23:08:22 +00:00
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hex = { version = "0.4.3", optional = true }
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2020-06-02 02:29:54 +00:00
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hypervisor = { path = "../hypervisor" }
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2024-08-02 23:02:57 +00:00
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igvm = { version = "0.3.3", optional = true }
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2024-05-31 18:59:03 +00:00
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igvm_defs = { version = "0.3.1", optional = true }
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2024-02-12 19:06:43 +00:00
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landlock = "0.4.0"
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2024-12-03 00:26:44 +00:00
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libc = "0.2.167"
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2024-09-27 02:27:43 +00:00
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linux-loader = { workspace = true, features = ["bzimage", "elf", "pe"] }
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2024-07-15 23:26:18 +00:00
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log = "0.4.22"
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2021-04-19 12:10:11 +00:00
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micro_http = { git = "https://github.com/firecracker-microvm/micro-http", branch = "main" }
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2024-09-27 02:27:43 +00:00
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mshv-bindings = { workspace = true, features = [
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2024-05-08 08:56:31 +00:00
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"fam-wrappers",
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2024-06-18 14:22:36 +00:00
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"with-serde",
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2024-05-08 08:56:31 +00:00
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], optional = true }
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2019-05-09 15:01:42 +00:00
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net_util = { path = "../net_util" }
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2024-10-07 13:21:51 +00:00
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once_cell = "1.20.2"
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2020-07-06 15:41:45 +00:00
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option_parser = { path = "../option_parser" }
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2020-10-15 15:34:35 +00:00
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pci = { path = "../pci" }
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2024-05-31 23:57:19 +00:00
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range_map_vec = { version = "0.2.0", optional = true }
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2023-12-07 19:45:08 +00:00
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rate_limiter = { path = "../rate_limiter" }
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2024-09-27 02:27:43 +00:00
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seccompiler = { workspace = true }
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2024-08-16 23:15:30 +00:00
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serde = { version = "1.0.208", features = ["derive", "rc"] }
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2024-07-24 23:42:39 +00:00
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serde_json = "1.0.120"
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2022-08-25 08:26:59 +00:00
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serial_buffer = { path = "../serial_buffer" }
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2023-08-01 23:45:19 +00:00
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signal-hook = "0.3.17"
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2024-07-16 23:17:07 +00:00
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thiserror = "1.0.62"
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2022-06-21 14:01:26 +00:00
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tracer = { path = "../tracer" }
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2024-04-06 07:47:54 +00:00
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uuid = "1.8.0"
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2024-09-27 02:27:43 +00:00
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vfio-ioctls = { workspace = true, default-features = false }
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vfio_user = { workspace = true }
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2020-10-15 15:54:56 +00:00
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virtio-devices = { path = "../virtio-devices" }
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2024-09-27 02:27:43 +00:00
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virtio-queue = { workspace = true }
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2019-05-06 17:27:40 +00:00
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vm-allocator = { path = "../vm-allocator" }
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2019-11-18 23:24:31 +00:00
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vm-device = { path = "../vm-device" }
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2024-09-27 02:27:43 +00:00
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vm-memory = { workspace = true, features = [
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2024-05-08 08:56:31 +00:00
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"backend-atomic",
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"backend-bitmap",
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2024-06-18 14:22:36 +00:00
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"backend-mmap",
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2024-05-08 08:56:31 +00:00
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] }
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2019-05-01 16:59:51 +00:00
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vm-migration = { path = "../vm-migration" }
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2019-10-07 17:48:44 +00:00
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vm-virtio = { path = "../vm-virtio" }
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2024-09-27 02:27:43 +00:00
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vmm-sys-util = { workspace = true, features = ["with-serde"] }
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2024-10-01 23:26:53 +00:00
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zbus = { version = "4.4.0", optional = true }
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2024-07-31 23:50:39 +00:00
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zerocopy = { version = "0.7.35", features = ["alloc", "derive"] }
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