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fbc62c39fd
qemu-kvm/0013-Add-downstream-x86_64-versioned-pc-q35-machine-types.patch
Miroslav Rezanina fbc62c39fd * Tue Sep 10 2024 Miroslav Rezanina <mrezanin@redhat.com> - 9.1.0-1 
- Rebase to QEMU 9.1.0 [RHEL-41246]
- Resolves: RHEL-41246
  (Rebase qemu-9.1 for RHEL 10.0)
2024-09-10 02:43:46 -04:00

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From c8510c21f0fde361d6cbce81bfb2f4acb6941b58 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= <berrange@redhat.com>
Date: Wed, 3 Jul 2024 13:44:41 +0100
Subject: Add downstream x86_64 versioned 'pc' & 'q35' machine types
Adding changes to add RHEL machine types for x86_64 architecture.
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
Rebase notes (9.1.0 rc0):
- Merged pc_q35_machine_rhel_options back into
pc_q35_machine_options to reduce delta to upstream
- Convert to new DEFINE_(I440FX|Q35)_MACHINE macros
Rebase notes (9.1.0 rc4):
- Moved x86 cpu deprecation note to device disable patch
Merged patches (9.1.0 rc0):
- 043ad5ce97 Add upstream compatibility bits (partial)
---
hw/i386/fw_cfg.c | 2 +-
hw/i386/pc.c | 159 ++++++++++++++++++++++++++++-
hw/i386/pc_piix.c | 102 ++++++++++++++++++-
hw/i386/pc_q35.c | 204 +++++++++++++++++++++++++++++++++++--
include/hw/boards.h | 2 +
include/hw/i386/pc.h | 33 ++++++
target/i386/kvm/kvm-cpu.c | 1 +
target/i386/kvm/kvm.c | 4 +
tests/qtest/pvpanic-test.c | 5 +-
9 files changed, 499 insertions(+), 13 deletions(-)
diff --git a/hw/i386/fw_cfg.c b/hw/i386/fw_cfg.c
index 33ef280420..a322709ffa 100644
--- a/hw/i386/fw_cfg.c
+++ b/hw/i386/fw_cfg.c
@@ -73,7 +73,7 @@ void fw_cfg_build_smbios(PCMachineState *pcms, FWCfgState *fw_cfg,
if (pcmc->smbios_defaults) {
/* These values are guest ABI, do not change */
- smbios_set_defaults("QEMU", mc->desc, mc->name,
+ smbios_set_defaults("Red Hat", "KVM", mc->desc,
pcmc->smbios_stream_product, pcmc->smbios_stream_version);
}
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 7779c88a91..a49d346d2e 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -276,6 +276,161 @@ const size_t pc_compat_2_4_len = G_N_ELEMENTS(pc_compat_2_4);
*/
#define PC_FW_DATA (0x20000 + 0x8000)
+/* This macro is for changes to properties that are RHEL specific,
+ * different to the current upstream and to be applied to the latest
+ * machine type.
+ */
+GlobalProperty pc_rhel_compat[] = {
+ /* we don't support s3/s4 suspend */
+ { "PIIX4_PM", "disable_s3", "1" },
+ { "PIIX4_PM", "disable_s4", "1" },
+ { "ICH9-LPC", "disable_s3", "1" },
+ { "ICH9-LPC", "disable_s4", "1" },
+
+ { TYPE_X86_CPU, "host-phys-bits", "on" },
+ { TYPE_X86_CPU, "host-phys-bits-limit", "48" },
+ { TYPE_X86_CPU, "vmx-entry-load-perf-global-ctrl", "off" },
+ { TYPE_X86_CPU, "vmx-exit-load-perf-global-ctrl", "off" },
+ /* bz 1508330 */
+ { "vfio-pci", "x-no-geforce-quirks", "on" },
+ /* bz 1941397 */
+ { TYPE_X86_CPU, "kvm-asyncpf-int", "on" },
+};
+const size_t pc_rhel_compat_len = G_N_ELEMENTS(pc_rhel_compat);
+
+GlobalProperty pc_rhel_9_3_compat[] = {
+ /* pc_rhel_9_3_compat from pc_compat_8_0 */
+ { "virtio-mem", "unplugged-inaccessible", "auto" },
+};
+const size_t pc_rhel_9_3_compat_len = G_N_ELEMENTS(pc_rhel_9_3_compat);
+
+GlobalProperty pc_rhel_9_2_compat[] = {
+ /* pc_rhel_9_2_compat from pc_compat_7_2 */
+ { "ICH9-LPC", "noreboot", "true" },
+};
+const size_t pc_rhel_9_2_compat_len = G_N_ELEMENTS(pc_rhel_9_2_compat);
+
+GlobalProperty pc_rhel_9_0_compat[] = {
+ /* pc_rhel_9_0_compat from pc_compat_6_2 */
+ { "virtio-mem", "unplugged-inaccessible", "off" },
+};
+const size_t pc_rhel_9_0_compat_len = G_N_ELEMENTS(pc_rhel_9_0_compat);
+
+GlobalProperty pc_rhel_8_5_compat[] = {
+ /* pc_rhel_8_5_compat from pc_compat_6_0 */
+ { "qemu64" "-" TYPE_X86_CPU, "family", "6" },
+ /* pc_rhel_8_5_compat from pc_compat_6_0 */
+ { "qemu64" "-" TYPE_X86_CPU, "model", "6" },
+ /* pc_rhel_8_5_compat from pc_compat_6_0 */
+ { "qemu64" "-" TYPE_X86_CPU, "stepping", "3" },
+ /* pc_rhel_8_5_compat from pc_compat_6_0 */
+ { TYPE_X86_CPU, "x-vendor-cpuid-only", "off" },
+ /* pc_rhel_8_5_compat from pc_compat_6_0 */
+ { "ICH9-LPC", ACPI_PM_PROP_ACPI_PCIHP_BRIDGE, "off" },
+
+ /* pc_rhel_8_5_compat from pc_compat_6_1 */
+ { TYPE_X86_CPU, "hv-version-id-build", "0x1bbc" },
+ /* pc_rhel_8_5_compat from pc_compat_6_1 */
+ { TYPE_X86_CPU, "hv-version-id-major", "0x0006" },
+ /* pc_rhel_8_5_compat from pc_compat_6_1 */
+ { TYPE_X86_CPU, "hv-version-id-minor", "0x0001" },
+};
+const size_t pc_rhel_8_5_compat_len = G_N_ELEMENTS(pc_rhel_8_5_compat);
+
+GlobalProperty pc_rhel_8_4_compat[] = {
+ /* pc_rhel_8_4_compat from pc_compat_5_2 */
+ { "ICH9-LPC", "x-smi-cpu-hotunplug", "off" },
+ { TYPE_X86_CPU, "kvm-asyncpf-int", "off" },
+};
+const size_t pc_rhel_8_4_compat_len = G_N_ELEMENTS(pc_rhel_8_4_compat);
+
+GlobalProperty pc_rhel_8_3_compat[] = {
+ /* pc_rhel_8_3_compat from pc_compat_5_1 */
+ { "ICH9-LPC", "x-smi-cpu-hotplug", "off" },
+};
+const size_t pc_rhel_8_3_compat_len = G_N_ELEMENTS(pc_rhel_8_3_compat);
+
+GlobalProperty pc_rhel_8_2_compat[] = {
+ /* pc_rhel_8_2_compat from pc_compat_4_2 */
+ { "mch", "smbase-smram", "off" },
+};
+const size_t pc_rhel_8_2_compat_len = G_N_ELEMENTS(pc_rhel_8_2_compat);
+
+/* pc_rhel_8_1_compat is empty since pc_4_1_compat is */
+GlobalProperty pc_rhel_8_1_compat[] = { };
+const size_t pc_rhel_8_1_compat_len = G_N_ELEMENTS(pc_rhel_8_1_compat);
+
+GlobalProperty pc_rhel_8_0_compat[] = {
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "intel-iommu", "dma-drain", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "Opteron_G3" "-" TYPE_X86_CPU, "rdtscp", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "Opteron_G4" "-" TYPE_X86_CPU, "rdtscp", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "Opteron_G4" "-" TYPE_X86_CPU, "npt", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "Opteron_G4" "-" TYPE_X86_CPU, "nrip-save", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "Opteron_G5" "-" TYPE_X86_CPU, "rdtscp", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "Opteron_G5" "-" TYPE_X86_CPU, "npt", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "Opteron_G5" "-" TYPE_X86_CPU, "nrip-save", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "EPYC" "-" TYPE_X86_CPU, "npt", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "EPYC" "-" TYPE_X86_CPU, "nrip-save", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "EPYC-IBPB" "-" TYPE_X86_CPU, "npt", "off" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "EPYC-IBPB" "-" TYPE_X86_CPU, "nrip-save", "off" },
+ /** The mpx=on entries from pc_compat_3_1 are in pc_rhel_7_6_compat **/
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { "Cascadelake-Server" "-" TYPE_X86_CPU, "stepping", "5" },
+ /* pc_rhel_8_0_compat from pc_compat_3_1 */
+ { TYPE_X86_CPU, "x-intel-pt-auto-level", "off" },
+};
+const size_t pc_rhel_8_0_compat_len = G_N_ELEMENTS(pc_rhel_8_0_compat);
+
+/* Similar to PC_COMPAT_3_0 + PC_COMPAT_2_12, but:
+ * all of the 2_12 stuff was already in 7.6 from bz 1481253
+ * x-migrate-smi-count comes from PC_COMPAT_2_11 but
+ * is really tied to kernel version so keep it off on 7.x
+ * machine types irrespective of host.
+ */
+GlobalProperty pc_rhel_7_6_compat[] = {
+ /* pc_rhel_7_6_compat from pc_compat_3_0 */
+ { TYPE_X86_CPU, "x-hv-synic-kvm-only", "on" },
+ /* pc_rhel_7_6_compat from pc_compat_3_0 */
+ { "Skylake-Server" "-" TYPE_X86_CPU, "pku", "off" },
+ /* pc_rhel_7_6_compat from pc_compat_3_0 */
+ { "Skylake-Server-IBRS" "-" TYPE_X86_CPU, "pku", "off" },
+ /* pc_rhel_7_6_compat from pc_compat_2_11 */
+ { TYPE_X86_CPU, "x-migrate-smi-count", "off" },
+ /* pc_rhel_7_6_compat from pc_compat_2_11 */
+ { "Skylake-Client" "-" TYPE_X86_CPU, "mpx", "on" },
+ /* pc_rhel_7_6_compat from pc_compat_2_11 */
+ { "Skylake-Client-IBRS" "-" TYPE_X86_CPU, "mpx", "on" },
+ /* pc_rhel_7_6_compat from pc_compat_2_11 */
+ { "Skylake-Server" "-" TYPE_X86_CPU, "mpx", "on" },
+ /* pc_rhel_7_6_compat from pc_compat_2_11 */
+ { "Skylake-Server-IBRS" "-" TYPE_X86_CPU, "mpx", "on" },
+ /* pc_rhel_7_6_compat from pc_compat_2_11 */
+ { "Cascadelake-Server" "-" TYPE_X86_CPU, "mpx", "on" },
+ /* pc_rhel_7_6_compat from pc_compat_2_11 */
+ { "Icelake-Client" "-" TYPE_X86_CPU, "mpx", "on" },
+ /* pc_rhel_7_6_compat from pc_compat_2_11 */
+ { "Icelake-Server" "-" TYPE_X86_CPU, "mpx", "on" },
+};
+const size_t pc_rhel_7_6_compat_len = G_N_ELEMENTS(pc_rhel_7_6_compat);
+
+/*
+ * The PC_RHEL_*_COMPAT serve the same purpose for RHEL-7 machine
+ * types as the PC_COMPAT_* do for upstream types.
+ * PC_RHEL_7_*_COMPAT apply both to i440fx and q35 types.
+ */
+
GSIState *pc_gsi_create(qemu_irq **irqs, bool pci_enabled)
{
GSIState *s;
@@ -1767,6 +1922,7 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
pcmc->kvmclock_create_always = true;
x86mc->apic_xrupt_override = true;
assert(!mc->get_hotplug_handler);
+ mc->async_pf_vmexit_disable = false;
mc->get_hotplug_handler = pc_get_hotplug_handler;
mc->hotplug_allowed = pc_hotplug_allowed;
mc->auto_enable_numa_with_memhp = true;
@@ -1774,7 +1930,8 @@ static void pc_machine_class_init(ObjectClass *oc, void *data)
mc->has_hotpluggable_cpus = true;
mc->default_boot_order = "cad";
mc->block_default_type = IF_IDE;
- mc->max_cpus = 255;
+ /* 240: max CPU count for RHEL */
+ mc->max_cpus = 240;
mc->reset = pc_machine_reset;
mc->wakeup = pc_machine_wakeup;
hc->pre_plug = pc_machine_device_pre_plug_cb;
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 67107b174a..5535e1ffbf 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -52,6 +52,7 @@
#include "qapi/error.h"
#include "qemu/error-report.h"
#include "sysemu/xen.h"
+#include "migration/migration.h"
#ifdef CONFIG_XEN
#include <xen/hvm/hvm_info_table.h>
#include "hw/xen/xen_pt.h"
@@ -445,8 +446,8 @@ static void pc_i440fx_init(MachineState *machine)
pc_init1(machine, TYPE_I440FX_PCI_DEVICE);
}
-#define DEFINE_I440FX_MACHINE(major, minor) \
- DEFINE_PC_VER_MACHINE(pc_i440fx, "pc-i440fx", pc_i440fx_init, major, minor);
+#define DEFINE_I440FX_MACHINE(major, minor, micro) \
+ DEFINE_PC_VER_MACHINE(pc_i440fx, "pc-i440fx", pc_i440fx_init, major, minor, micro);
#if 0 /* Disabled for Red Hat Enterprise Linux */
static void pc_i440fx_machine_options(MachineClass *m)
@@ -826,3 +827,100 @@ static void xenfv_machine_3_1_options(MachineClass *m)
DEFINE_PC_MACHINE(xenfv, "xenfv-3.1", pc_xen_hvm_init,
xenfv_machine_3_1_options);
#endif
+
+/* Red Hat Enterprise Linux machine types */
+
+/* Options for the latest rhel7 machine type */
+static void pc_machine_rhel7_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ m->family = "pc_piix_Y";
+ m->default_machine_opts = "firmware=bios-256k.bin,hpet=off";
+ pcmc->pci_root_uid = 0;
+ m->default_nic = "e1000";
+ m->default_display = "std";
+ m->no_parallel = 1;
+ m->numa_mem_supported = true;
+ m->auto_enable_numa_with_memdev = false;
+ machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
+ compat_props_add(m->compat_props, pc_rhel_compat, pc_rhel_compat_len);
+ m->alias = "pc";
+ m->is_default = 1;
+ m->smp_props.prefer_sockets = true;
+}
+
+static void pc_i440fx_rhel_machine_7_6_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ ObjectClass *oc = OBJECT_CLASS(m);
+ pc_machine_rhel7_options(m);
+ m->desc = "RHEL 7.6.0 PC (i440FX + PIIX, 1996)";
+ m->async_pf_vmexit_disable = true;
+ m->smbus_no_migration_support = true;
+
+ pcmc->pvh_enabled = false;
+ pcmc->default_cpu_version = CPU_VERSION_LEGACY;
+ pcmc->kvmclock_create_always = false;
+ /* From pc_i440fx_5_1_machine_options() */
+ pcmc->pci_root_uid = 1;
+ /* From pc_i440fx_7_0_machine_options() */
+ pcmc->enforce_amd_1tb_hole = false;
+ /* From pc_i440fx_8_0_machine_options() */
+ pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
+ /* From pc_i440fx_8_1_machine_options() */
+ pcmc->broken_32bit_mem_addr_check = true;
+ /* Introduced in QEMU 8.2 */
+ pcmc->default_south_bridge = TYPE_PIIX3_DEVICE;
+
+ object_class_property_add_enum(oc, "x-south-bridge", "PCSouthBridgeOption",
+ &PCSouthBridgeOption_lookup,
+ pc_get_south_bridge,
+ pc_set_south_bridge);
+ object_class_property_set_description(oc, "x-south-bridge",
+ "Use a different south bridge than PIIX3");
+
+ compat_props_add(m->compat_props, hw_compat_rhel_9_5,
+ hw_compat_rhel_9_5_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_9_4,
+ hw_compat_rhel_9_4_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_9_3,
+ hw_compat_rhel_9_3_len);
+ compat_props_add(m->compat_props, pc_rhel_9_3_compat,
+ pc_rhel_9_3_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_9_2,
+ hw_compat_rhel_9_2_len);
+ compat_props_add(m->compat_props, pc_rhel_9_2_compat,
+ pc_rhel_9_2_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_9_1,
+ hw_compat_rhel_9_1_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_9_0,
+ hw_compat_rhel_9_0_len);
+ compat_props_add(m->compat_props, pc_rhel_9_0_compat,
+ pc_rhel_9_0_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_8_6,
+ hw_compat_rhel_8_6_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_8_5,
+ hw_compat_rhel_8_5_len);
+ compat_props_add(m->compat_props, pc_rhel_8_5_compat,
+ pc_rhel_8_5_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_8_4,
+ hw_compat_rhel_8_4_len);
+ compat_props_add(m->compat_props, pc_rhel_8_4_compat,
+ pc_rhel_8_4_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_8_3,
+ hw_compat_rhel_8_3_len);
+ compat_props_add(m->compat_props, pc_rhel_8_3_compat,
+ pc_rhel_8_3_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_8_2,
+ hw_compat_rhel_8_2_len);
+ compat_props_add(m->compat_props, pc_rhel_8_2_compat,
+ pc_rhel_8_2_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_8_1, hw_compat_rhel_8_1_len);
+ compat_props_add(m->compat_props, pc_rhel_8_1_compat, pc_rhel_8_1_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_8_0, hw_compat_rhel_8_0_len);
+ compat_props_add(m->compat_props, pc_rhel_8_0_compat, pc_rhel_8_0_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_7_6, hw_compat_rhel_7_6_len);
+ compat_props_add(m->compat_props, pc_rhel_7_6_compat, pc_rhel_7_6_compat_len);
+}
+
+DEFINE_I440FX_MACHINE(7, 6, 0);
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 5fb283f2df..2ca9ff3747 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -338,20 +338,19 @@ static void pc_q35_machine_options(MachineClass *m)
pcmc->pci_root_uid = 0;
pcmc->default_cpu_version = 1;
- m->family = "pc_q35";
- m->desc = "Standard PC (Q35 + ICH9, 2009)";
+ m->family = "pc_q35_Z";
m->units_per_default_bus = 1;
- m->default_machine_opts = "firmware=bios-256k.bin";
+ m->default_machine_opts = "firmware=bios-256k.bin,hpet=off";
m->default_display = "std";
m->default_nic = "e1000e";
- m->default_kernel_irqchip_split = false;
m->no_floppy = 1;
- m->max_cpus = 4096;
- m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
+ m->max_cpus = 710;
+ m->no_parallel = 1;
machine_class_allow_dynamic_sysbus_dev(m, TYPE_AMD_IOMMU_DEVICE);
machine_class_allow_dynamic_sysbus_dev(m, TYPE_INTEL_IOMMU_DEVICE);
machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
- machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
+ m->alias = "q35";
+ compat_props_add(m->compat_props, pc_rhel_compat, pc_rhel_compat_len);
compat_props_add(m->compat_props,
pc_q35_compat_defaults, pc_q35_compat_defaults_len);
}
@@ -670,3 +669,194 @@ static void pc_q35_machine_2_4_options(MachineClass *m)
DEFINE_Q35_MACHINE(2, 4);
#endif /* Disabled for Red Hat Enterprise Linux */
+
+/* Red Hat Enterprise Linux machine types */
+
+static void pc_q35_rhel_machine_9_4_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_machine_options(m);
+ m->desc = "RHEL-9.4.0 PC (Q35 + ICH9, 2009)";
+ pcmc->smbios_stream_product = "RHEL";
+ pcmc->smbios_stream_version = "9.4.0";
+
+ compat_props_add(m->compat_props, hw_compat_rhel_9_5,
+ hw_compat_rhel_9_5_len);
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(9, 4, 0);
+
+static void pc_q35_rhel_machine_9_2_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_rhel_machine_9_4_0_options(m);
+ m->desc = "RHEL-9.2.0 PC (Q35 + ICH9, 2009)";
+ m->alias = NULL;
+ pcmc->smbios_stream_product = "RHEL";
+ pcmc->smbios_stream_version = "9.2.0";
+
+ /* From pc_q35_8_0_machine_options() */
+ pcmc->default_smbios_ep_type = SMBIOS_ENTRY_POINT_TYPE_32;
+ /* From pc_q35_8_1_machine_options() */
+ pcmc->broken_32bit_mem_addr_check = true;
+
+ compat_props_add(m->compat_props, hw_compat_rhel_9_4,
+ hw_compat_rhel_9_4_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_9_3,
+ hw_compat_rhel_9_3_len);
+ compat_props_add(m->compat_props, pc_rhel_9_3_compat,
+ pc_rhel_9_3_compat_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_9_2,
+ hw_compat_rhel_9_2_len);
+ compat_props_add(m->compat_props, pc_rhel_9_2_compat,
+ pc_rhel_9_2_compat_len);
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(9, 2, 0);
+
+static void pc_q35_rhel_machine_9_0_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_rhel_machine_9_2_0_options(m);
+ m->desc = "RHEL-9.0.0 PC (Q35 + ICH9, 2009)";
+ m->alias = NULL;
+ pcmc->smbios_stream_product = "RHEL";
+ pcmc->smbios_stream_version = "9.0.0";
+ pcmc->enforce_amd_1tb_hole = false;
+ compat_props_add(m->compat_props, hw_compat_rhel_9_1,
+ hw_compat_rhel_9_1_len);
+ compat_props_add(m->compat_props, hw_compat_rhel_9_0,
+ hw_compat_rhel_9_0_len);
+ compat_props_add(m->compat_props, pc_rhel_9_0_compat,
+ pc_rhel_9_0_compat_len);
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(9, 0, 0);
+
+static void pc_q35_rhel_machine_8_6_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_rhel_machine_9_0_0_options(m);
+ m->desc = "RHEL-8.6.0 PC (Q35 + ICH9, 2009)";
+ m->alias = NULL;
+
+ pcmc->smbios_stream_product = "RHEL-AV";
+ pcmc->smbios_stream_version = "8.6.0";
+ compat_props_add(m->compat_props, hw_compat_rhel_8_6,
+ hw_compat_rhel_8_6_len);
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(8, 6, 0);
+
+static void pc_q35_rhel_machine_8_5_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_rhel_machine_8_6_0_options(m);
+ m->desc = "RHEL-8.5.0 PC (Q35 + ICH9, 2009)";
+ m->alias = NULL;
+ pcmc->smbios_stream_product = "RHEL-AV";
+ pcmc->smbios_stream_version = "8.5.0";
+ compat_props_add(m->compat_props, hw_compat_rhel_8_5,
+ hw_compat_rhel_8_5_len);
+ compat_props_add(m->compat_props, pc_rhel_8_5_compat,
+ pc_rhel_8_5_compat_len);
+ m->smp_props.prefer_sockets = true;
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(8, 5, 0);
+
+static void pc_q35_rhel_machine_8_4_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_rhel_machine_8_5_0_options(m);
+ m->desc = "RHEL-8.4.0 PC (Q35 + ICH9, 2009)";
+ m->alias = NULL;
+ pcmc->smbios_stream_product = "RHEL-AV";
+ pcmc->smbios_stream_version = "8.4.0";
+ compat_props_add(m->compat_props, hw_compat_rhel_8_4,
+ hw_compat_rhel_8_4_len);
+ compat_props_add(m->compat_props, pc_rhel_8_4_compat,
+ pc_rhel_8_4_compat_len);
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(8, 4, 0);
+
+static void pc_q35_rhel_machine_8_3_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_rhel_machine_8_4_0_options(m);
+ m->desc = "RHEL-8.3.0 PC (Q35 + ICH9, 2009)";
+ m->alias = NULL;
+ pcmc->smbios_stream_product = "RHEL-AV";
+ pcmc->smbios_stream_version = "8.3.0";
+ compat_props_add(m->compat_props, hw_compat_rhel_8_3,
+ hw_compat_rhel_8_3_len);
+ compat_props_add(m->compat_props, pc_rhel_8_3_compat,
+ pc_rhel_8_3_compat_len);
+ /* From pc_q35_5_1_machine_options() */
+ pcmc->kvmclock_create_always = false;
+ /* From pc_q35_5_1_machine_options() */
+ pcmc->pci_root_uid = 1;
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(8, 3, 0);
+
+static void pc_q35_rhel_machine_8_2_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_rhel_machine_8_3_0_options(m);
+ m->desc = "RHEL-8.2.0 PC (Q35 + ICH9, 2009)";
+ m->alias = NULL;
+ m->numa_mem_supported = true;
+ m->auto_enable_numa_with_memdev = false;
+ pcmc->smbios_stream_product = "RHEL-AV";
+ pcmc->smbios_stream_version = "8.2.0";
+ compat_props_add(m->compat_props, hw_compat_rhel_8_2,
+ hw_compat_rhel_8_2_len);
+ compat_props_add(m->compat_props, pc_rhel_8_2_compat,
+ pc_rhel_8_2_compat_len);
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(8, 2, 0);
+
+static void pc_q35_rhel_machine_8_1_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_rhel_machine_8_2_0_options(m);
+ m->desc = "RHEL-8.1.0 PC (Q35 + ICH9, 2009)";
+ m->alias = NULL;
+ pcmc->smbios_stream_product = NULL;
+ pcmc->smbios_stream_version = NULL;
+ compat_props_add(m->compat_props, hw_compat_rhel_8_1, hw_compat_rhel_8_1_len);
+ compat_props_add(m->compat_props, pc_rhel_8_1_compat, pc_rhel_8_1_compat_len);
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(8, 1, 0);
+
+static void pc_q35_rhel_machine_8_0_0_options(MachineClass *m)
+{
+ PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
+ pc_q35_rhel_machine_8_1_0_options(m);
+ m->desc = "RHEL-8.0.0 PC (Q35 + ICH9, 2009)";
+ m->smbus_no_migration_support = true;
+ m->alias = NULL;
+ pcmc->pvh_enabled = false;
+ pcmc->default_cpu_version = CPU_VERSION_LEGACY;
+ compat_props_add(m->compat_props, hw_compat_rhel_8_0, hw_compat_rhel_8_0_len);
+ compat_props_add(m->compat_props, pc_rhel_8_0_compat, pc_rhel_8_0_compat_len);
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(8, 0, 0);
+
+static void pc_q35_rhel_machine_7_6_0_options(MachineClass *m)
+{
+ pc_q35_rhel_machine_8_0_0_options(m);
+ m->alias = NULL;
+ m->desc = "RHEL-7.6.0 PC (Q35 + ICH9, 2009)";
+ m->async_pf_vmexit_disable = true;
+ compat_props_add(m->compat_props, hw_compat_rhel_7_6, hw_compat_rhel_7_6_len);
+ compat_props_add(m->compat_props, pc_rhel_7_6_compat, pc_rhel_7_6_compat_len);
+}
+
+DEFINE_Q35_MACHINE_BUGFIX(7, 6, 0);
+
diff --git a/include/hw/boards.h b/include/hw/boards.h
index fd5a957cad..3dea5cee73 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -289,6 +289,8 @@ struct MachineClass {
strList *allowed_dynamic_sysbus_devices;
bool auto_enable_numa_with_memhp;
bool auto_enable_numa_with_memdev;
+ /* RHEL only */
+ bool async_pf_vmexit_disable;
bool ignore_boot_device_suffixes;
bool smbus_no_migration_support;
bool nvdimm_supported;
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 8776a3c937..8e9597f40f 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -302,6 +302,39 @@ extern const size_t pc_compat_2_4_len;
extern GlobalProperty pc_compat_2_3[];
extern const size_t pc_compat_2_3_len;
+extern GlobalProperty pc_rhel_compat[];
+extern const size_t pc_rhel_compat_len;
+
+extern GlobalProperty pc_rhel_9_3_compat[];
+extern const size_t pc_rhel_9_3_compat_len;
+
+extern GlobalProperty pc_rhel_9_2_compat[];
+extern const size_t pc_rhel_9_2_compat_len;
+
+extern GlobalProperty pc_rhel_9_0_compat[];
+extern const size_t pc_rhel_9_0_compat_len;
+
+extern GlobalProperty pc_rhel_8_5_compat[];
+extern const size_t pc_rhel_8_5_compat_len;
+
+extern GlobalProperty pc_rhel_8_4_compat[];
+extern const size_t pc_rhel_8_4_compat_len;
+
+extern GlobalProperty pc_rhel_8_3_compat[];
+extern const size_t pc_rhel_8_3_compat_len;
+
+extern GlobalProperty pc_rhel_8_2_compat[];
+extern const size_t pc_rhel_8_2_compat_len;
+
+extern GlobalProperty pc_rhel_8_1_compat[];
+extern const size_t pc_rhel_8_1_compat_len;
+
+extern GlobalProperty pc_rhel_8_0_compat[];
+extern const size_t pc_rhel_8_0_compat_len;
+
+extern GlobalProperty pc_rhel_7_6_compat[];
+extern const size_t pc_rhel_7_6_compat_len;
+
#define DEFINE_PC_MACHINE(suffix, namestr, initfn, optsfn) \
static void pc_machine_##suffix##_class_init(ObjectClass *oc, void *data) \
{ \
diff --git a/target/i386/kvm/kvm-cpu.c b/target/i386/kvm/kvm-cpu.c
index 6bf8dcfc60..684e731cbc 100644
--- a/target/i386/kvm/kvm-cpu.c
+++ b/target/i386/kvm/kvm-cpu.c
@@ -178,6 +178,7 @@ static PropValue kvm_default_props[] = {
{ "acpi", "off" },
{ "monitor", "off" },
{ "svm", "off" },
+ { "kvm-pv-unhalt", "on" },
{ NULL, NULL },
};
diff --git a/target/i386/kvm/kvm.c b/target/i386/kvm/kvm.c
index 2fa88ef1e3..2b28c18693 100644
--- a/target/i386/kvm/kvm.c
+++ b/target/i386/kvm/kvm.c
@@ -4244,6 +4244,7 @@ static int kvm_get_msrs(X86CPU *cpu)
struct kvm_msr_entry *msrs = cpu->kvm_msr_buf->entries;
int ret, i;
uint64_t mtrr_top_bits;
+ MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());
kvm_msr_buf_reset(cpu);
@@ -4636,6 +4637,9 @@ static int kvm_get_msrs(X86CPU *cpu)
break;
case MSR_KVM_ASYNC_PF_EN:
env->async_pf_en_msr = msrs[i].data;
+ if (mc->async_pf_vmexit_disable) {
+ env->async_pf_en_msr &= ~(1ULL << 2);
+ }
break;
case MSR_KVM_ASYNC_PF_INT:
env->async_pf_int_msr = msrs[i].data;
diff --git a/tests/qtest/pvpanic-test.c b/tests/qtest/pvpanic-test.c
index d49d2ba931..c18f63e255 100644
--- a/tests/qtest/pvpanic-test.c
+++ b/tests/qtest/pvpanic-test.c
@@ -18,7 +18,7 @@ static void test_panic_nopause(void)
QDict *response, *data;
QTestState *qts;
- qts = qtest_init("-device pvpanic -action panic=none");
+ qts = qtest_init("-M q35 -device pvpanic -action panic=none");
val = qtest_inb(qts, 0x505);
g_assert_cmpuint(val, ==, PVPANIC_EVENTS);
@@ -41,7 +41,8 @@ static void test_panic(void)
QDict *response, *data;
QTestState *qts;
- qts = qtest_init("-device pvpanic -action panic=pause");
+ /* RHEL: Use q35 */
+ qts = qtest_init("-M q35 -device pvpanic -action panic=pause");
val = qtest_inb(qts, 0x505);
g_assert_cmpuint(val, ==, PVPANIC_EVENTS);
--
2.39.3
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