a8b5ad8e1f
FLR support. Misc fixes, cleanups. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> -----BEGIN PGP SIGNATURE----- iQEcBAABAgAGBQJdb6W/AAoJECgfDbjSjVRpRlEIAKvo9Sbq9bOtZ8nhbfJvLBWV nyOk5kgwv+XE+VhYGTsU7poYDPdRQn8uohBzXDb1zzCHd9corHriUXnUQ8TkDdz9 V9v8buK7qRPZa4OddPRVHDPZEn7OBbvNanhbo/Nw8iRcE/XdW+Ezw33A/aR8rSY7 KOxHYHeR2uBzVVDWKxp2yfBd+Zm9gbO27Y1thb9fyi4o7mHZ+gbrFl2p7z3wilNK KuGi0jCmS4I+4h2wmrZXnzSrozg9vJhXxkkdfI7QBze1XiVqC8w/bCcjXGVVGfhe SOvJH9A+yVyWpfjJpgmof4UISah+4zTi9G2SanZ4UERULD/NsiGfLQTVilUijAk= =K61t -----END PGP SIGNATURE----- Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging virtio,vhost: fixes, features, cleanups. FLR support. Misc fixes, cleanups. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> # gpg: Signature made Wed 04 Sep 2019 12:53:35 BST # gpg: using RSA key 281F0DB8D28D5469 # gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full] # gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full] # Primary key fingerprint: 0270 606B 6F3C DF3D 0B17 0970 C350 3912 AFBE 8E67 # Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA 8A0D 281F 0DB8 D28D 5469 * remotes/mst/tags/for_upstream: libvhost-user: introduce and use vu_has_protocol_feature() libvhost-user: fix SLAVE_SEND_FD handling virtio-pci: Add Function Level Reset support virtio-rng: change default backend to rng-builtin virtio-rng: Keep the default backend out of VirtIORNGConf rng-builtin: add an RNG backend that uses qemu_guest_getrandom() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
1164 lines
36 KiB
C
1164 lines
36 KiB
C
/*
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* QEMU Machine
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*
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* Copyright (C) 2014 Red Hat Inc
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*
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* Authors:
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* Marcel Apfelbaum <marcel.a@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#include "qemu/osdep.h"
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#include "qemu/option.h"
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#include "qapi/qmp/qerror.h"
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#include "sysemu/replay.h"
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#include "qemu/units.h"
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#include "hw/boards.h"
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#include "qapi/error.h"
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#include "qapi/qapi-visit-common.h"
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#include "qapi/visitor.h"
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#include "hw/sysbus.h"
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#include "sysemu/sysemu.h"
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#include "sysemu/numa.h"
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#include "qemu/error-report.h"
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#include "sysemu/qtest.h"
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#include "hw/pci/pci.h"
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#include "hw/mem/nvdimm.h"
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GlobalProperty hw_compat_4_1[] = {
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{ "virtio-pci", "x-pcie-flr-init", "off" },
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};
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const size_t hw_compat_4_1_len = G_N_ELEMENTS(hw_compat_4_1);
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GlobalProperty hw_compat_4_0[] = {
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{ "VGA", "edid", "false" },
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{ "secondary-vga", "edid", "false" },
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{ "bochs-display", "edid", "false" },
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{ "virtio-vga", "edid", "false" },
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{ "virtio-gpu", "edid", "false" },
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{ "virtio-device", "use-started", "false" },
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{ "virtio-balloon-device", "qemu-4-0-config-size", "true" },
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{ "pl031", "migrate-tick-offset", "false" },
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};
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const size_t hw_compat_4_0_len = G_N_ELEMENTS(hw_compat_4_0);
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GlobalProperty hw_compat_3_1[] = {
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{ "pcie-root-port", "x-speed", "2_5" },
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{ "pcie-root-port", "x-width", "1" },
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{ "memory-backend-file", "x-use-canonical-path-for-ramblock-id", "true" },
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{ "memory-backend-memfd", "x-use-canonical-path-for-ramblock-id", "true" },
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{ "tpm-crb", "ppi", "false" },
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{ "tpm-tis", "ppi", "false" },
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{ "usb-kbd", "serial", "42" },
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{ "usb-mouse", "serial", "42" },
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{ "usb-tablet", "serial", "42" },
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{ "virtio-blk-device", "discard", "false" },
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{ "virtio-blk-device", "write-zeroes", "false" },
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{ "virtio-balloon-device", "qemu-4-0-config-size", "false" },
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{ "pcie-root-port-base", "disable-acs", "true" }, /* Added in 4.1 */
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};
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const size_t hw_compat_3_1_len = G_N_ELEMENTS(hw_compat_3_1);
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GlobalProperty hw_compat_3_0[] = {};
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const size_t hw_compat_3_0_len = G_N_ELEMENTS(hw_compat_3_0);
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GlobalProperty hw_compat_2_12[] = {
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{ "migration", "decompress-error-check", "off" },
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{ "hda-audio", "use-timer", "false" },
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{ "cirrus-vga", "global-vmstate", "true" },
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{ "VGA", "global-vmstate", "true" },
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{ "vmware-svga", "global-vmstate", "true" },
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{ "qxl-vga", "global-vmstate", "true" },
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};
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const size_t hw_compat_2_12_len = G_N_ELEMENTS(hw_compat_2_12);
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GlobalProperty hw_compat_2_11[] = {
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{ "hpet", "hpet-offset-saved", "false" },
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{ "virtio-blk-pci", "vectors", "2" },
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{ "vhost-user-blk-pci", "vectors", "2" },
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{ "e1000", "migrate_tso_props", "off" },
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};
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const size_t hw_compat_2_11_len = G_N_ELEMENTS(hw_compat_2_11);
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GlobalProperty hw_compat_2_10[] = {
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{ "virtio-mouse-device", "wheel-axis", "false" },
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{ "virtio-tablet-device", "wheel-axis", "false" },
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};
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const size_t hw_compat_2_10_len = G_N_ELEMENTS(hw_compat_2_10);
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GlobalProperty hw_compat_2_9[] = {
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{ "pci-bridge", "shpc", "off" },
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{ "intel-iommu", "pt", "off" },
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{ "virtio-net-device", "x-mtu-bypass-backend", "off" },
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{ "pcie-root-port", "x-migrate-msix", "false" },
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};
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const size_t hw_compat_2_9_len = G_N_ELEMENTS(hw_compat_2_9);
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GlobalProperty hw_compat_2_8[] = {
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{ "fw_cfg_mem", "x-file-slots", "0x10" },
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{ "fw_cfg_io", "x-file-slots", "0x10" },
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{ "pflash_cfi01", "old-multiple-chip-handling", "on" },
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{ "pci-bridge", "shpc", "on" },
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{ TYPE_PCI_DEVICE, "x-pcie-extcap-init", "off" },
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{ "virtio-pci", "x-pcie-deverr-init", "off" },
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{ "virtio-pci", "x-pcie-lnkctl-init", "off" },
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{ "virtio-pci", "x-pcie-pm-init", "off" },
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{ "cirrus-vga", "vgamem_mb", "8" },
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{ "isa-cirrus-vga", "vgamem_mb", "8" },
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};
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const size_t hw_compat_2_8_len = G_N_ELEMENTS(hw_compat_2_8);
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GlobalProperty hw_compat_2_7[] = {
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{ "virtio-pci", "page-per-vq", "on" },
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{ "virtio-serial-device", "emergency-write", "off" },
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{ "ioapic", "version", "0x11" },
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{ "intel-iommu", "x-buggy-eim", "true" },
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{ "virtio-pci", "x-ignore-backend-features", "on" },
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};
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const size_t hw_compat_2_7_len = G_N_ELEMENTS(hw_compat_2_7);
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GlobalProperty hw_compat_2_6[] = {
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{ "virtio-mmio", "format_transport_address", "off" },
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/* Optional because not all virtio-pci devices support legacy mode */
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{ "virtio-pci", "disable-modern", "on", .optional = true },
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{ "virtio-pci", "disable-legacy", "off", .optional = true },
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};
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const size_t hw_compat_2_6_len = G_N_ELEMENTS(hw_compat_2_6);
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GlobalProperty hw_compat_2_5[] = {
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{ "isa-fdc", "fallback", "144" },
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{ "pvscsi", "x-old-pci-configuration", "on" },
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{ "pvscsi", "x-disable-pcie", "on" },
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{ "vmxnet3", "x-old-msi-offsets", "on" },
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{ "vmxnet3", "x-disable-pcie", "on" },
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};
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const size_t hw_compat_2_5_len = G_N_ELEMENTS(hw_compat_2_5);
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GlobalProperty hw_compat_2_4[] = {
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{ "virtio-blk-device", "scsi", "true" },
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{ "e1000", "extra_mac_registers", "off" },
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{ "virtio-pci", "x-disable-pcie", "on" },
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{ "virtio-pci", "migrate-extra", "off" },
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{ "fw_cfg_mem", "dma_enabled", "off" },
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{ "fw_cfg_io", "dma_enabled", "off" }
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};
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const size_t hw_compat_2_4_len = G_N_ELEMENTS(hw_compat_2_4);
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GlobalProperty hw_compat_2_3[] = {
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{ "virtio-blk-pci", "any_layout", "off" },
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{ "virtio-balloon-pci", "any_layout", "off" },
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{ "virtio-serial-pci", "any_layout", "off" },
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{ "virtio-9p-pci", "any_layout", "off" },
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{ "virtio-rng-pci", "any_layout", "off" },
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{ TYPE_PCI_DEVICE, "x-pcie-lnksta-dllla", "off" },
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{ "migration", "send-configuration", "off" },
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{ "migration", "send-section-footer", "off" },
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{ "migration", "store-global-state", "off" },
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};
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const size_t hw_compat_2_3_len = G_N_ELEMENTS(hw_compat_2_3);
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GlobalProperty hw_compat_2_2[] = {};
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const size_t hw_compat_2_2_len = G_N_ELEMENTS(hw_compat_2_2);
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GlobalProperty hw_compat_2_1[] = {
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{ "intel-hda", "old_msi_addr", "on" },
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{ "VGA", "qemu-extended-regs", "off" },
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{ "secondary-vga", "qemu-extended-regs", "off" },
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{ "virtio-scsi-pci", "any_layout", "off" },
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{ "usb-mouse", "usb_version", "1" },
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{ "usb-kbd", "usb_version", "1" },
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{ "virtio-pci", "virtio-pci-bus-master-bug-migration", "on" },
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};
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const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1);
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static char *machine_get_accel(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->accel);
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}
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static void machine_set_accel(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->accel);
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ms->accel = g_strdup(value);
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}
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static void machine_set_kernel_irqchip(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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Error *err = NULL;
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MachineState *ms = MACHINE(obj);
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OnOffSplit mode;
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visit_type_OnOffSplit(v, name, &mode, &err);
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if (err) {
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error_propagate(errp, err);
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return;
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} else {
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switch (mode) {
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case ON_OFF_SPLIT_ON:
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ms->kernel_irqchip_allowed = true;
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ms->kernel_irqchip_required = true;
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ms->kernel_irqchip_split = false;
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break;
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case ON_OFF_SPLIT_OFF:
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ms->kernel_irqchip_allowed = false;
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ms->kernel_irqchip_required = false;
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ms->kernel_irqchip_split = false;
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break;
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case ON_OFF_SPLIT_SPLIT:
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ms->kernel_irqchip_allowed = true;
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ms->kernel_irqchip_required = true;
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ms->kernel_irqchip_split = true;
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break;
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default:
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/* The value was checked in visit_type_OnOffSplit() above. If
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* we get here, then something is wrong in QEMU.
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*/
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abort();
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}
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}
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}
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static void machine_get_kvm_shadow_mem(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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int64_t value = ms->kvm_shadow_mem;
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visit_type_int(v, name, &value, errp);
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}
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static void machine_set_kvm_shadow_mem(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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Error *error = NULL;
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int64_t value;
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visit_type_int(v, name, &value, &error);
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if (error) {
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error_propagate(errp, error);
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return;
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}
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ms->kvm_shadow_mem = value;
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}
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static char *machine_get_kernel(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->kernel_filename);
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}
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static void machine_set_kernel(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->kernel_filename);
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ms->kernel_filename = g_strdup(value);
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}
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static char *machine_get_initrd(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->initrd_filename);
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}
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static void machine_set_initrd(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->initrd_filename);
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ms->initrd_filename = g_strdup(value);
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}
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static char *machine_get_append(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->kernel_cmdline);
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}
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static void machine_set_append(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->kernel_cmdline);
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ms->kernel_cmdline = g_strdup(value);
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}
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static char *machine_get_dtb(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->dtb);
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}
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static void machine_set_dtb(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->dtb);
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ms->dtb = g_strdup(value);
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}
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static char *machine_get_dumpdtb(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->dumpdtb);
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}
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static void machine_set_dumpdtb(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->dumpdtb);
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ms->dumpdtb = g_strdup(value);
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}
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static void machine_get_phandle_start(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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int64_t value = ms->phandle_start;
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visit_type_int(v, name, &value, errp);
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}
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static void machine_set_phandle_start(Object *obj, Visitor *v,
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const char *name, void *opaque,
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Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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Error *error = NULL;
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int64_t value;
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visit_type_int(v, name, &value, &error);
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if (error) {
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error_propagate(errp, error);
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return;
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}
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ms->phandle_start = value;
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}
|
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static char *machine_get_dt_compatible(Object *obj, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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return g_strdup(ms->dt_compatible);
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}
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|
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static void machine_set_dt_compatible(Object *obj, const char *value, Error **errp)
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{
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MachineState *ms = MACHINE(obj);
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g_free(ms->dt_compatible);
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ms->dt_compatible = g_strdup(value);
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|
}
|
|
|
|
static bool machine_get_dump_guest_core(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return ms->dump_guest_core;
|
|
}
|
|
|
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static void machine_set_dump_guest_core(Object *obj, bool value, Error **errp)
|
|
{
|
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MachineState *ms = MACHINE(obj);
|
|
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ms->dump_guest_core = value;
|
|
}
|
|
|
|
static bool machine_get_mem_merge(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return ms->mem_merge;
|
|
}
|
|
|
|
static void machine_set_mem_merge(Object *obj, bool value, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
ms->mem_merge = value;
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|
}
|
|
|
|
static bool machine_get_usb(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return ms->usb;
|
|
}
|
|
|
|
static void machine_set_usb(Object *obj, bool value, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
ms->usb = value;
|
|
ms->usb_disabled = !value;
|
|
}
|
|
|
|
static bool machine_get_graphics(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return ms->enable_graphics;
|
|
}
|
|
|
|
static void machine_set_graphics(Object *obj, bool value, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
ms->enable_graphics = value;
|
|
}
|
|
|
|
static bool machine_get_igd_gfx_passthru(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return ms->igd_gfx_passthru;
|
|
}
|
|
|
|
static void machine_set_igd_gfx_passthru(Object *obj, bool value, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
ms->igd_gfx_passthru = value;
|
|
}
|
|
|
|
static char *machine_get_firmware(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return g_strdup(ms->firmware);
|
|
}
|
|
|
|
static void machine_set_firmware(Object *obj, const char *value, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
g_free(ms->firmware);
|
|
ms->firmware = g_strdup(value);
|
|
}
|
|
|
|
static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
ms->suppress_vmdesc = value;
|
|
}
|
|
|
|
static bool machine_get_suppress_vmdesc(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return ms->suppress_vmdesc;
|
|
}
|
|
|
|
static void machine_set_enforce_config_section(Object *obj, bool value,
|
|
Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
warn_report("enforce-config-section is deprecated, please use "
|
|
"-global migration.send-configuration=on|off instead");
|
|
|
|
ms->enforce_config_section = value;
|
|
}
|
|
|
|
static bool machine_get_enforce_config_section(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return ms->enforce_config_section;
|
|
}
|
|
|
|
static char *machine_get_memory_encryption(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return g_strdup(ms->memory_encryption);
|
|
}
|
|
|
|
static void machine_set_memory_encryption(Object *obj, const char *value,
|
|
Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
g_free(ms->memory_encryption);
|
|
ms->memory_encryption = g_strdup(value);
|
|
}
|
|
|
|
static bool machine_get_nvdimm(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return ms->nvdimms_state->is_enabled;
|
|
}
|
|
|
|
static void machine_set_nvdimm(Object *obj, bool value, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
ms->nvdimms_state->is_enabled = value;
|
|
}
|
|
|
|
static char *machine_get_nvdimm_persistence(Object *obj, Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
return g_strdup(ms->nvdimms_state->persistence_string);
|
|
}
|
|
|
|
static void machine_set_nvdimm_persistence(Object *obj, const char *value,
|
|
Error **errp)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
NVDIMMState *nvdimms_state = ms->nvdimms_state;
|
|
|
|
if (strcmp(value, "cpu") == 0) {
|
|
nvdimms_state->persistence = 3;
|
|
} else if (strcmp(value, "mem-ctrl") == 0) {
|
|
nvdimms_state->persistence = 2;
|
|
} else {
|
|
error_setg(errp, "-machine nvdimm-persistence=%s: unsupported option",
|
|
value);
|
|
return;
|
|
}
|
|
|
|
g_free(nvdimms_state->persistence_string);
|
|
nvdimms_state->persistence_string = g_strdup(value);
|
|
}
|
|
|
|
void machine_class_allow_dynamic_sysbus_dev(MachineClass *mc, const char *type)
|
|
{
|
|
strList *item = g_new0(strList, 1);
|
|
|
|
item->value = g_strdup(type);
|
|
item->next = mc->allowed_dynamic_sysbus_devices;
|
|
mc->allowed_dynamic_sysbus_devices = item;
|
|
}
|
|
|
|
static void validate_sysbus_device(SysBusDevice *sbdev, void *opaque)
|
|
{
|
|
MachineState *machine = opaque;
|
|
MachineClass *mc = MACHINE_GET_CLASS(machine);
|
|
bool allowed = false;
|
|
strList *wl;
|
|
|
|
for (wl = mc->allowed_dynamic_sysbus_devices;
|
|
!allowed && wl;
|
|
wl = wl->next) {
|
|
allowed |= !!object_dynamic_cast(OBJECT(sbdev), wl->value);
|
|
}
|
|
|
|
if (!allowed) {
|
|
error_report("Option '-device %s' cannot be handled by this machine",
|
|
object_class_get_name(object_get_class(OBJECT(sbdev))));
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
static void machine_init_notify(Notifier *notifier, void *data)
|
|
{
|
|
MachineState *machine = MACHINE(qdev_get_machine());
|
|
|
|
/*
|
|
* Loop through all dynamically created sysbus devices and check if they are
|
|
* all allowed. If a device is not allowed, error out.
|
|
*/
|
|
foreach_dynamic_sysbus_device(validate_sysbus_device, machine);
|
|
}
|
|
|
|
HotpluggableCPUList *machine_query_hotpluggable_cpus(MachineState *machine)
|
|
{
|
|
int i;
|
|
HotpluggableCPUList *head = NULL;
|
|
MachineClass *mc = MACHINE_GET_CLASS(machine);
|
|
|
|
/* force board to initialize possible_cpus if it hasn't been done yet */
|
|
mc->possible_cpu_arch_ids(machine);
|
|
|
|
for (i = 0; i < machine->possible_cpus->len; i++) {
|
|
Object *cpu;
|
|
HotpluggableCPUList *list_item = g_new0(typeof(*list_item), 1);
|
|
HotpluggableCPU *cpu_item = g_new0(typeof(*cpu_item), 1);
|
|
|
|
cpu_item->type = g_strdup(machine->possible_cpus->cpus[i].type);
|
|
cpu_item->vcpus_count = machine->possible_cpus->cpus[i].vcpus_count;
|
|
cpu_item->props = g_memdup(&machine->possible_cpus->cpus[i].props,
|
|
sizeof(*cpu_item->props));
|
|
|
|
cpu = machine->possible_cpus->cpus[i].cpu;
|
|
if (cpu) {
|
|
cpu_item->has_qom_path = true;
|
|
cpu_item->qom_path = object_get_canonical_path(cpu);
|
|
}
|
|
list_item->value = cpu_item;
|
|
list_item->next = head;
|
|
head = list_item;
|
|
}
|
|
return head;
|
|
}
|
|
|
|
/**
|
|
* machine_set_cpu_numa_node:
|
|
* @machine: machine object to modify
|
|
* @props: specifies which cpu objects to assign to
|
|
* numa node specified by @props.node_id
|
|
* @errp: if an error occurs, a pointer to an area to store the error
|
|
*
|
|
* Associate NUMA node specified by @props.node_id with cpu slots that
|
|
* match socket/core/thread-ids specified by @props. It's recommended to use
|
|
* query-hotpluggable-cpus.props values to specify affected cpu slots,
|
|
* which would lead to exact 1:1 mapping of cpu slots to NUMA node.
|
|
*
|
|
* However for CLI convenience it's possible to pass in subset of properties,
|
|
* which would affect all cpu slots that match it.
|
|
* Ex for pc machine:
|
|
* -smp 4,cores=2,sockets=2 -numa node,nodeid=0 -numa node,nodeid=1 \
|
|
* -numa cpu,node-id=0,socket_id=0 \
|
|
* -numa cpu,node-id=1,socket_id=1
|
|
* will assign all child cores of socket 0 to node 0 and
|
|
* of socket 1 to node 1.
|
|
*
|
|
* On attempt of reassigning (already assigned) cpu slot to another NUMA node,
|
|
* return error.
|
|
* Empty subset is disallowed and function will return with error in this case.
|
|
*/
|
|
void machine_set_cpu_numa_node(MachineState *machine,
|
|
const CpuInstanceProperties *props, Error **errp)
|
|
{
|
|
MachineClass *mc = MACHINE_GET_CLASS(machine);
|
|
bool match = false;
|
|
int i;
|
|
|
|
if (!mc->possible_cpu_arch_ids) {
|
|
error_setg(errp, "mapping of CPUs to NUMA node is not supported");
|
|
return;
|
|
}
|
|
|
|
/* disabling node mapping is not supported, forbid it */
|
|
assert(props->has_node_id);
|
|
|
|
/* force board to initialize possible_cpus if it hasn't been done yet */
|
|
mc->possible_cpu_arch_ids(machine);
|
|
|
|
for (i = 0; i < machine->possible_cpus->len; i++) {
|
|
CPUArchId *slot = &machine->possible_cpus->cpus[i];
|
|
|
|
/* reject unsupported by board properties */
|
|
if (props->has_thread_id && !slot->props.has_thread_id) {
|
|
error_setg(errp, "thread-id is not supported");
|
|
return;
|
|
}
|
|
|
|
if (props->has_core_id && !slot->props.has_core_id) {
|
|
error_setg(errp, "core-id is not supported");
|
|
return;
|
|
}
|
|
|
|
if (props->has_socket_id && !slot->props.has_socket_id) {
|
|
error_setg(errp, "socket-id is not supported");
|
|
return;
|
|
}
|
|
|
|
if (props->has_die_id && !slot->props.has_die_id) {
|
|
error_setg(errp, "die-id is not supported");
|
|
return;
|
|
}
|
|
|
|
/* skip slots with explicit mismatch */
|
|
if (props->has_thread_id && props->thread_id != slot->props.thread_id) {
|
|
continue;
|
|
}
|
|
|
|
if (props->has_core_id && props->core_id != slot->props.core_id) {
|
|
continue;
|
|
}
|
|
|
|
if (props->has_die_id && props->die_id != slot->props.die_id) {
|
|
continue;
|
|
}
|
|
|
|
if (props->has_socket_id && props->socket_id != slot->props.socket_id) {
|
|
continue;
|
|
}
|
|
|
|
/* reject assignment if slot is already assigned, for compatibility
|
|
* of legacy cpu_index mapping with SPAPR core based mapping do not
|
|
* error out if cpu thread and matched core have the same node-id */
|
|
if (slot->props.has_node_id &&
|
|
slot->props.node_id != props->node_id) {
|
|
error_setg(errp, "CPU is already assigned to node-id: %" PRId64,
|
|
slot->props.node_id);
|
|
return;
|
|
}
|
|
|
|
/* assign slot to node as it's matched '-numa cpu' key */
|
|
match = true;
|
|
slot->props.node_id = props->node_id;
|
|
slot->props.has_node_id = props->has_node_id;
|
|
}
|
|
|
|
if (!match) {
|
|
error_setg(errp, "no match found");
|
|
}
|
|
}
|
|
|
|
static void smp_parse(MachineState *ms, QemuOpts *opts)
|
|
{
|
|
if (opts) {
|
|
unsigned cpus = qemu_opt_get_number(opts, "cpus", 0);
|
|
unsigned sockets = qemu_opt_get_number(opts, "sockets", 0);
|
|
unsigned cores = qemu_opt_get_number(opts, "cores", 0);
|
|
unsigned threads = qemu_opt_get_number(opts, "threads", 0);
|
|
|
|
/* compute missing values, prefer sockets over cores over threads */
|
|
if (cpus == 0 || sockets == 0) {
|
|
cores = cores > 0 ? cores : 1;
|
|
threads = threads > 0 ? threads : 1;
|
|
if (cpus == 0) {
|
|
sockets = sockets > 0 ? sockets : 1;
|
|
cpus = cores * threads * sockets;
|
|
} else {
|
|
ms->smp.max_cpus =
|
|
qemu_opt_get_number(opts, "maxcpus", cpus);
|
|
sockets = ms->smp.max_cpus / (cores * threads);
|
|
}
|
|
} else if (cores == 0) {
|
|
threads = threads > 0 ? threads : 1;
|
|
cores = cpus / (sockets * threads);
|
|
cores = cores > 0 ? cores : 1;
|
|
} else if (threads == 0) {
|
|
threads = cpus / (cores * sockets);
|
|
threads = threads > 0 ? threads : 1;
|
|
} else if (sockets * cores * threads < cpus) {
|
|
error_report("cpu topology: "
|
|
"sockets (%u) * cores (%u) * threads (%u) < "
|
|
"smp_cpus (%u)",
|
|
sockets, cores, threads, cpus);
|
|
exit(1);
|
|
}
|
|
|
|
ms->smp.max_cpus =
|
|
qemu_opt_get_number(opts, "maxcpus", cpus);
|
|
|
|
if (ms->smp.max_cpus < cpus) {
|
|
error_report("maxcpus must be equal to or greater than smp");
|
|
exit(1);
|
|
}
|
|
|
|
if (sockets * cores * threads > ms->smp.max_cpus) {
|
|
error_report("cpu topology: "
|
|
"sockets (%u) * cores (%u) * threads (%u) > "
|
|
"maxcpus (%u)",
|
|
sockets, cores, threads,
|
|
ms->smp.max_cpus);
|
|
exit(1);
|
|
}
|
|
|
|
if (sockets * cores * threads != ms->smp.max_cpus) {
|
|
warn_report("Invalid CPU topology deprecated: "
|
|
"sockets (%u) * cores (%u) * threads (%u) "
|
|
"!= maxcpus (%u)",
|
|
sockets, cores, threads,
|
|
ms->smp.max_cpus);
|
|
}
|
|
|
|
ms->smp.cpus = cpus;
|
|
ms->smp.cores = cores;
|
|
ms->smp.threads = threads;
|
|
}
|
|
|
|
if (ms->smp.cpus > 1) {
|
|
Error *blocker = NULL;
|
|
error_setg(&blocker, QERR_REPLAY_NOT_SUPPORTED, "smp");
|
|
replay_add_blocker(blocker);
|
|
}
|
|
}
|
|
|
|
static void machine_class_init(ObjectClass *oc, void *data)
|
|
{
|
|
MachineClass *mc = MACHINE_CLASS(oc);
|
|
|
|
/* Default 128 MB as guest ram size */
|
|
mc->default_ram_size = 128 * MiB;
|
|
mc->rom_file_has_mr = true;
|
|
mc->smp_parse = smp_parse;
|
|
|
|
/* numa node memory size aligned on 8MB by default.
|
|
* On Linux, each node's border has to be 8MB aligned
|
|
*/
|
|
mc->numa_mem_align_shift = 23;
|
|
mc->numa_auto_assign_ram = numa_default_auto_assign_ram;
|
|
|
|
object_class_property_add_str(oc, "accel",
|
|
machine_get_accel, machine_set_accel, &error_abort);
|
|
object_class_property_set_description(oc, "accel",
|
|
"Accelerator list", &error_abort);
|
|
|
|
object_class_property_add(oc, "kernel-irqchip", "on|off|split",
|
|
NULL, machine_set_kernel_irqchip,
|
|
NULL, NULL, &error_abort);
|
|
object_class_property_set_description(oc, "kernel-irqchip",
|
|
"Configure KVM in-kernel irqchip", &error_abort);
|
|
|
|
object_class_property_add(oc, "kvm-shadow-mem", "int",
|
|
machine_get_kvm_shadow_mem, machine_set_kvm_shadow_mem,
|
|
NULL, NULL, &error_abort);
|
|
object_class_property_set_description(oc, "kvm-shadow-mem",
|
|
"KVM shadow MMU size", &error_abort);
|
|
|
|
object_class_property_add_str(oc, "kernel",
|
|
machine_get_kernel, machine_set_kernel, &error_abort);
|
|
object_class_property_set_description(oc, "kernel",
|
|
"Linux kernel image file", &error_abort);
|
|
|
|
object_class_property_add_str(oc, "initrd",
|
|
machine_get_initrd, machine_set_initrd, &error_abort);
|
|
object_class_property_set_description(oc, "initrd",
|
|
"Linux initial ramdisk file", &error_abort);
|
|
|
|
object_class_property_add_str(oc, "append",
|
|
machine_get_append, machine_set_append, &error_abort);
|
|
object_class_property_set_description(oc, "append",
|
|
"Linux kernel command line", &error_abort);
|
|
|
|
object_class_property_add_str(oc, "dtb",
|
|
machine_get_dtb, machine_set_dtb, &error_abort);
|
|
object_class_property_set_description(oc, "dtb",
|
|
"Linux kernel device tree file", &error_abort);
|
|
|
|
object_class_property_add_str(oc, "dumpdtb",
|
|
machine_get_dumpdtb, machine_set_dumpdtb, &error_abort);
|
|
object_class_property_set_description(oc, "dumpdtb",
|
|
"Dump current dtb to a file and quit", &error_abort);
|
|
|
|
object_class_property_add(oc, "phandle-start", "int",
|
|
machine_get_phandle_start, machine_set_phandle_start,
|
|
NULL, NULL, &error_abort);
|
|
object_class_property_set_description(oc, "phandle-start",
|
|
"The first phandle ID we may generate dynamically", &error_abort);
|
|
|
|
object_class_property_add_str(oc, "dt-compatible",
|
|
machine_get_dt_compatible, machine_set_dt_compatible, &error_abort);
|
|
object_class_property_set_description(oc, "dt-compatible",
|
|
"Overrides the \"compatible\" property of the dt root node",
|
|
&error_abort);
|
|
|
|
object_class_property_add_bool(oc, "dump-guest-core",
|
|
machine_get_dump_guest_core, machine_set_dump_guest_core, &error_abort);
|
|
object_class_property_set_description(oc, "dump-guest-core",
|
|
"Include guest memory in a core dump", &error_abort);
|
|
|
|
object_class_property_add_bool(oc, "mem-merge",
|
|
machine_get_mem_merge, machine_set_mem_merge, &error_abort);
|
|
object_class_property_set_description(oc, "mem-merge",
|
|
"Enable/disable memory merge support", &error_abort);
|
|
|
|
object_class_property_add_bool(oc, "usb",
|
|
machine_get_usb, machine_set_usb, &error_abort);
|
|
object_class_property_set_description(oc, "usb",
|
|
"Set on/off to enable/disable usb", &error_abort);
|
|
|
|
object_class_property_add_bool(oc, "graphics",
|
|
machine_get_graphics, machine_set_graphics, &error_abort);
|
|
object_class_property_set_description(oc, "graphics",
|
|
"Set on/off to enable/disable graphics emulation", &error_abort);
|
|
|
|
object_class_property_add_bool(oc, "igd-passthru",
|
|
machine_get_igd_gfx_passthru, machine_set_igd_gfx_passthru,
|
|
&error_abort);
|
|
object_class_property_set_description(oc, "igd-passthru",
|
|
"Set on/off to enable/disable igd passthrou", &error_abort);
|
|
|
|
object_class_property_add_str(oc, "firmware",
|
|
machine_get_firmware, machine_set_firmware,
|
|
&error_abort);
|
|
object_class_property_set_description(oc, "firmware",
|
|
"Firmware image", &error_abort);
|
|
|
|
object_class_property_add_bool(oc, "suppress-vmdesc",
|
|
machine_get_suppress_vmdesc, machine_set_suppress_vmdesc,
|
|
&error_abort);
|
|
object_class_property_set_description(oc, "suppress-vmdesc",
|
|
"Set on to disable self-describing migration", &error_abort);
|
|
|
|
object_class_property_add_bool(oc, "enforce-config-section",
|
|
machine_get_enforce_config_section, machine_set_enforce_config_section,
|
|
&error_abort);
|
|
object_class_property_set_description(oc, "enforce-config-section",
|
|
"Set on to enforce configuration section migration", &error_abort);
|
|
|
|
object_class_property_add_str(oc, "memory-encryption",
|
|
machine_get_memory_encryption, machine_set_memory_encryption,
|
|
&error_abort);
|
|
object_class_property_set_description(oc, "memory-encryption",
|
|
"Set memory encryption object to use", &error_abort);
|
|
}
|
|
|
|
static void machine_class_base_init(ObjectClass *oc, void *data)
|
|
{
|
|
if (!object_class_is_abstract(oc)) {
|
|
MachineClass *mc = MACHINE_CLASS(oc);
|
|
const char *cname = object_class_get_name(oc);
|
|
assert(g_str_has_suffix(cname, TYPE_MACHINE_SUFFIX));
|
|
mc->name = g_strndup(cname,
|
|
strlen(cname) - strlen(TYPE_MACHINE_SUFFIX));
|
|
mc->compat_props = g_ptr_array_new();
|
|
}
|
|
}
|
|
|
|
static void machine_initfn(Object *obj)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
MachineClass *mc = MACHINE_GET_CLASS(obj);
|
|
|
|
ms->kernel_irqchip_allowed = true;
|
|
ms->kernel_irqchip_split = mc->default_kernel_irqchip_split;
|
|
ms->kvm_shadow_mem = -1;
|
|
ms->dump_guest_core = true;
|
|
ms->mem_merge = true;
|
|
ms->enable_graphics = true;
|
|
|
|
if (mc->nvdimm_supported) {
|
|
Object *obj = OBJECT(ms);
|
|
|
|
ms->nvdimms_state = g_new0(NVDIMMState, 1);
|
|
object_property_add_bool(obj, "nvdimm",
|
|
machine_get_nvdimm, machine_set_nvdimm,
|
|
&error_abort);
|
|
object_property_set_description(obj, "nvdimm",
|
|
"Set on/off to enable/disable "
|
|
"NVDIMM instantiation", NULL);
|
|
|
|
object_property_add_str(obj, "nvdimm-persistence",
|
|
machine_get_nvdimm_persistence,
|
|
machine_set_nvdimm_persistence,
|
|
&error_abort);
|
|
object_property_set_description(obj, "nvdimm-persistence",
|
|
"Set NVDIMM persistence"
|
|
"Valid values are cpu, mem-ctrl",
|
|
NULL);
|
|
}
|
|
|
|
if (mc->numa_mem_supported) {
|
|
ms->numa_state = g_new0(NumaState, 1);
|
|
}
|
|
|
|
/* Register notifier when init is done for sysbus sanity checks */
|
|
ms->sysbus_notifier.notify = machine_init_notify;
|
|
qemu_add_machine_init_done_notifier(&ms->sysbus_notifier);
|
|
}
|
|
|
|
static void machine_finalize(Object *obj)
|
|
{
|
|
MachineState *ms = MACHINE(obj);
|
|
|
|
g_free(ms->accel);
|
|
g_free(ms->kernel_filename);
|
|
g_free(ms->initrd_filename);
|
|
g_free(ms->kernel_cmdline);
|
|
g_free(ms->dtb);
|
|
g_free(ms->dumpdtb);
|
|
g_free(ms->dt_compatible);
|
|
g_free(ms->firmware);
|
|
g_free(ms->device_memory);
|
|
g_free(ms->nvdimms_state);
|
|
g_free(ms->numa_state);
|
|
}
|
|
|
|
bool machine_usb(MachineState *machine)
|
|
{
|
|
return machine->usb;
|
|
}
|
|
|
|
bool machine_kernel_irqchip_allowed(MachineState *machine)
|
|
{
|
|
return machine->kernel_irqchip_allowed;
|
|
}
|
|
|
|
bool machine_kernel_irqchip_required(MachineState *machine)
|
|
{
|
|
return machine->kernel_irqchip_required;
|
|
}
|
|
|
|
bool machine_kernel_irqchip_split(MachineState *machine)
|
|
{
|
|
return machine->kernel_irqchip_split;
|
|
}
|
|
|
|
int machine_kvm_shadow_mem(MachineState *machine)
|
|
{
|
|
return machine->kvm_shadow_mem;
|
|
}
|
|
|
|
int machine_phandle_start(MachineState *machine)
|
|
{
|
|
return machine->phandle_start;
|
|
}
|
|
|
|
bool machine_dump_guest_core(MachineState *machine)
|
|
{
|
|
return machine->dump_guest_core;
|
|
}
|
|
|
|
bool machine_mem_merge(MachineState *machine)
|
|
{
|
|
return machine->mem_merge;
|
|
}
|
|
|
|
static char *cpu_slot_to_string(const CPUArchId *cpu)
|
|
{
|
|
GString *s = g_string_new(NULL);
|
|
if (cpu->props.has_socket_id) {
|
|
g_string_append_printf(s, "socket-id: %"PRId64, cpu->props.socket_id);
|
|
}
|
|
if (cpu->props.has_die_id) {
|
|
g_string_append_printf(s, "die-id: %"PRId64, cpu->props.die_id);
|
|
}
|
|
if (cpu->props.has_core_id) {
|
|
if (s->len) {
|
|
g_string_append_printf(s, ", ");
|
|
}
|
|
g_string_append_printf(s, "core-id: %"PRId64, cpu->props.core_id);
|
|
}
|
|
if (cpu->props.has_thread_id) {
|
|
if (s->len) {
|
|
g_string_append_printf(s, ", ");
|
|
}
|
|
g_string_append_printf(s, "thread-id: %"PRId64, cpu->props.thread_id);
|
|
}
|
|
return g_string_free(s, false);
|
|
}
|
|
|
|
static void machine_numa_finish_cpu_init(MachineState *machine)
|
|
{
|
|
int i;
|
|
bool default_mapping;
|
|
GString *s = g_string_new(NULL);
|
|
MachineClass *mc = MACHINE_GET_CLASS(machine);
|
|
const CPUArchIdList *possible_cpus = mc->possible_cpu_arch_ids(machine);
|
|
|
|
assert(machine->numa_state->num_nodes);
|
|
for (i = 0; i < possible_cpus->len; i++) {
|
|
if (possible_cpus->cpus[i].props.has_node_id) {
|
|
break;
|
|
}
|
|
}
|
|
default_mapping = (i == possible_cpus->len);
|
|
|
|
for (i = 0; i < possible_cpus->len; i++) {
|
|
const CPUArchId *cpu_slot = &possible_cpus->cpus[i];
|
|
|
|
if (!cpu_slot->props.has_node_id) {
|
|
/* fetch default mapping from board and enable it */
|
|
CpuInstanceProperties props = cpu_slot->props;
|
|
|
|
props.node_id = mc->get_default_cpu_node_id(machine, i);
|
|
if (!default_mapping) {
|
|
/* record slots with not set mapping,
|
|
* TODO: make it hard error in future */
|
|
char *cpu_str = cpu_slot_to_string(cpu_slot);
|
|
g_string_append_printf(s, "%sCPU %d [%s]",
|
|
s->len ? ", " : "", i, cpu_str);
|
|
g_free(cpu_str);
|
|
|
|
/* non mapped cpus used to fallback to node 0 */
|
|
props.node_id = 0;
|
|
}
|
|
|
|
props.has_node_id = true;
|
|
machine_set_cpu_numa_node(machine, &props, &error_fatal);
|
|
}
|
|
}
|
|
if (s->len && !qtest_enabled()) {
|
|
warn_report("CPU(s) not present in any NUMA nodes: %s",
|
|
s->str);
|
|
warn_report("All CPU(s) up to maxcpus should be described "
|
|
"in NUMA config, ability to start up with partial NUMA "
|
|
"mappings is obsoleted and will be removed in future");
|
|
}
|
|
g_string_free(s, true);
|
|
}
|
|
|
|
void machine_run_board_init(MachineState *machine)
|
|
{
|
|
MachineClass *machine_class = MACHINE_GET_CLASS(machine);
|
|
|
|
if (machine_class->numa_mem_supported) {
|
|
numa_complete_configuration(machine);
|
|
if (machine->numa_state->num_nodes) {
|
|
machine_numa_finish_cpu_init(machine);
|
|
}
|
|
}
|
|
|
|
/* If the machine supports the valid_cpu_types check and the user
|
|
* specified a CPU with -cpu check here that the user CPU is supported.
|
|
*/
|
|
if (machine_class->valid_cpu_types && machine->cpu_type) {
|
|
ObjectClass *class = object_class_by_name(machine->cpu_type);
|
|
int i;
|
|
|
|
for (i = 0; machine_class->valid_cpu_types[i]; i++) {
|
|
if (object_class_dynamic_cast(class,
|
|
machine_class->valid_cpu_types[i])) {
|
|
/* The user specificed CPU is in the valid field, we are
|
|
* good to go.
|
|
*/
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!machine_class->valid_cpu_types[i]) {
|
|
/* The user specified CPU is not valid */
|
|
error_report("Invalid CPU type: %s", machine->cpu_type);
|
|
error_printf("The valid types are: %s",
|
|
machine_class->valid_cpu_types[0]);
|
|
for (i = 1; machine_class->valid_cpu_types[i]; i++) {
|
|
error_printf(", %s", machine_class->valid_cpu_types[i]);
|
|
}
|
|
error_printf("\n");
|
|
|
|
exit(1);
|
|
}
|
|
}
|
|
|
|
machine_class->init(machine);
|
|
}
|
|
|
|
static const TypeInfo machine_info = {
|
|
.name = TYPE_MACHINE,
|
|
.parent = TYPE_OBJECT,
|
|
.abstract = true,
|
|
.class_size = sizeof(MachineClass),
|
|
.class_init = machine_class_init,
|
|
.class_base_init = machine_class_base_init,
|
|
.instance_size = sizeof(MachineState),
|
|
.instance_init = machine_initfn,
|
|
.instance_finalize = machine_finalize,
|
|
};
|
|
|
|
static void machine_register_types(void)
|
|
{
|
|
type_register_static(&machine_info);
|
|
}
|
|
|
|
type_init(machine_register_types)
|