From 90366cd2ead5a5301aaceed56477d2e6d9f1b3cd Mon Sep 17 00:00:00 2001

From: Miroslav Rezanina <mrezanin@redhat.com>

Date: Wed, 7 Dec 2022 03:05:48 -0500

Subject: Enable/disable devices for RHEL

This commit adds all changes related to changes in supported devices.

Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>

--

Rebase notes (6.1.0):

- Added CONFIG_TPM (except s390x)

- default-configs moved to configs

- Use --with-device-<ARCH> configure option to use rhel configs

Rebase notes (6.2.0):

- Add CONFIG_ISA_FDC

- Do not remove -no-hpet documentation

Rebase notes (7.0.0):

- Added CONFIG_ARM_GIC_TCG option for aarch64

- Fixes necessary for layout change fixes

- Renamed CONFIG_ARM_GIC_TCG to CONFIG_ARM_GICV3_TCG

- Removed upstream devices

Rebase notes (7.1.0 rc0):

- Added CONFIG_VHOST_VSOCK and CONFIG_VHOST_USER_VSOCK configs

- Added CONFIG_CXL and CONFIG_CXL_MEM_DEVICE for aarch64 and x86_64

Rebase notes (7.1.0 rc3):

- Added CONFIG_VHOST_USER_FS option (all archs)

Rebase notes (7.2.0 rc20):

- Removed disabling a15mpcore.c as no longer needed

Merged patches (6.1.0):

- c51bf45304 Remove SPICE and QXL from x86_64-rh-devices.mak

- 02fc745601 aarch64-rh-devices: add CONFIG_PVPANIC_PCI

- f2fe835153 aarch64-rh-devices: add CONFIG_PXB

- b5431733ad disable CONFIG_USB_STORAGE_BOT

- 478ba0cdf6 Disable TPM passthrough

- 2504d68a7c aarch64: Add USB storage devices

- 51c2a3253c disable ac97 audio

Merged patches (6.2.0):

- 9f2f9fa2ba disable sga device

Merged patches (7.0.0):

- fd7c45a5a8 redhat: Enable virtio-mem as tech-preview on x86-64

- c9e68ea451 Enable SGX -- RH Only

Merged patches (7.1.0 rc0):

- 38b89dc245 pc: Move s3/s4 suspend disabling to compat (only hw/acpi/ich9.c chunk)

- 8f663466c6 configs/devices/aarch64-softmmu: Enable CONFIG_VIRTIO_MEM

- 1bf372717a Enable virtio-iommu-pci on aarch64

- ae3f269458 Enable virtio-iommu-pci on x86_64

---

 .distro/qemu-kvm.spec.template                |  18 +--

 .../aarch64-softmmu/aarch64-rh-devices.mak    |  41 +++++++

 .../ppc64-softmmu/ppc64-rh-devices.mak        |  37 ++++++

 configs/devices/rh-virtio.mak                 |  10 ++

 .../s390x-softmmu/s390x-rh-devices.mak        |  18 +++

 .../x86_64-softmmu/x86_64-rh-devices.mak      | 109 ++++++++++++++++++

 hw/arm/meson.build                            |   2 +-

 hw/block/fdc.c                                |  10 ++

 hw/cpu/meson.build                            |   3 +-

 hw/display/cirrus_vga.c                       |   5 +-

 hw/ide/piix.c                                 |   5 +-

 hw/input/pckbd.c                              |   2 +

 hw/net/e1000.c                                |   2 +

 hw/ppc/spapr_cpu_core.c                       |   2 +

 hw/usb/meson.build                            |   2 +-

 target/arm/cpu_tcg.c                          |  10 ++

 target/ppc/cpu-models.c                       |   9 ++

 target/s390x/cpu_models_sysemu.c              |   3 +

 target/s390x/kvm/kvm.c                        |   8 ++

 19 files changed, 283 insertions(+), 13 deletions(-)

 create mode 100644 configs/devices/aarch64-softmmu/aarch64-rh-devices.mak

 create mode 100644 configs/devices/ppc64-softmmu/ppc64-rh-devices.mak

 create mode 100644 configs/devices/rh-virtio.mak

 create mode 100644 configs/devices/s390x-softmmu/s390x-rh-devices.mak

 create mode 100644 configs/devices/x86_64-softmmu/x86_64-rh-devices.mak

diff --git a/configs/devices/aarch64-softmmu/aarch64-rh-devices.mak b/configs/devices/aarch64-softmmu/aarch64-rh-devices.mak

new file mode 100644

index 0000000000..720ec0cb57

--- /dev/null

+++ b/configs/devices/aarch64-softmmu/aarch64-rh-devices.mak

@@ -0,0 +1,41 @@

+include ../rh-virtio.mak

+

+CONFIG_ARM_GIC_KVM=y

+CONFIG_ARM_GICV3_TCG=y

+CONFIG_ARM_GIC=y

+CONFIG_ARM_SMMUV3=y

+CONFIG_ARM_V7M=y

+CONFIG_ARM_VIRT=y

+CONFIG_CXL=y

+CONFIG_CXL_MEM_DEVICE=y

+CONFIG_EDID=y

+CONFIG_PCIE_PORT=y

+CONFIG_PCI_DEVICES=y

+CONFIG_PCI_TESTDEV=y

+CONFIG_PFLASH_CFI01=y

+CONFIG_SCSI=y

+CONFIG_SEMIHOSTING=y

+CONFIG_USB=y

+CONFIG_USB_XHCI=y

+CONFIG_USB_XHCI_PCI=y

+CONFIG_USB_STORAGE_CORE=y

+CONFIG_USB_STORAGE_CLASSIC=y

+CONFIG_VFIO=y

+CONFIG_VFIO_PCI=y

+CONFIG_VIRTIO_MMIO=y

+CONFIG_VIRTIO_PCI=y

+CONFIG_VIRTIO_MEM=y

+CONFIG_VIRTIO_IOMMU=y

+CONFIG_XIO3130=y

+CONFIG_NVDIMM=y

+CONFIG_ACPI_APEI=y

+CONFIG_TPM=y

+CONFIG_TPM_EMULATOR=y

+CONFIG_TPM_TIS_SYSBUS=y

+CONFIG_PTIMER=y

+CONFIG_ARM_COMPATIBLE_SEMIHOSTING=y

+CONFIG_PVPANIC_PCI=y

+CONFIG_PXB=y

+CONFIG_VHOST_VSOCK=y

+CONFIG_VHOST_USER_VSOCK=y

+CONFIG_VHOST_USER_FS=y

diff --git a/configs/devices/ppc64-softmmu/ppc64-rh-devices.mak b/configs/devices/ppc64-softmmu/ppc64-rh-devices.mak

new file mode 100644

index 0000000000..dbb7d30829

--- /dev/null

+++ b/configs/devices/ppc64-softmmu/ppc64-rh-devices.mak

@@ -0,0 +1,37 @@

+include ../rh-virtio.mak

+

+CONFIG_DIMM=y

+CONFIG_MEM_DEVICE=y

+CONFIG_NVDIMM=y

+CONFIG_PCI=y

+CONFIG_PCI_DEVICES=y

+CONFIG_PCI_TESTDEV=y

+CONFIG_PCI_EXPRESS=y

+CONFIG_PSERIES=y

+CONFIG_SCSI=y

+CONFIG_SPAPR_VSCSI=y

+CONFIG_TEST_DEVICES=y

+CONFIG_USB=y

+CONFIG_USB_OHCI=y

+CONFIG_USB_OHCI_PCI=y

+CONFIG_USB_SMARTCARD=y

+CONFIG_USB_STORAGE_CORE=y

+CONFIG_USB_STORAGE_CLASSIC=y

+CONFIG_USB_XHCI=y

+CONFIG_USB_XHCI_NEC=y

+CONFIG_USB_XHCI_PCI=y

+CONFIG_VFIO=y

+CONFIG_VFIO_PCI=y

+CONFIG_VGA=y

+CONFIG_VGA_PCI=y

+CONFIG_VHOST_USER=y

+CONFIG_VIRTIO_PCI=y

+CONFIG_VIRTIO_VGA=y

+CONFIG_WDT_IB6300ESB=y

+CONFIG_XICS=y

+CONFIG_XIVE=y

+CONFIG_TPM=y

+CONFIG_TPM_SPAPR=y

+CONFIG_TPM_EMULATOR=y

+CONFIG_VHOST_VSOCK=y

+CONFIG_VHOST_USER_VSOCK=y

diff --git a/configs/devices/rh-virtio.mak b/configs/devices/rh-virtio.mak

new file mode 100644

index 0000000000..94ede1b5f6

--- /dev/null

+++ b/configs/devices/rh-virtio.mak

@@ -0,0 +1,10 @@

+CONFIG_VIRTIO=y

+CONFIG_VIRTIO_BALLOON=y

+CONFIG_VIRTIO_BLK=y

+CONFIG_VIRTIO_GPU=y

+CONFIG_VIRTIO_INPUT=y

+CONFIG_VIRTIO_INPUT_HOST=y

+CONFIG_VIRTIO_NET=y

+CONFIG_VIRTIO_RNG=y

+CONFIG_VIRTIO_SCSI=y

+CONFIG_VIRTIO_SERIAL=y

diff --git a/configs/devices/s390x-softmmu/s390x-rh-devices.mak b/configs/devices/s390x-softmmu/s390x-rh-devices.mak

new file mode 100644

index 0000000000..69a799adbd

--- /dev/null

+++ b/configs/devices/s390x-softmmu/s390x-rh-devices.mak

@@ -0,0 +1,18 @@

+include ../rh-virtio.mak

+

+CONFIG_PCI=y

+CONFIG_S390_CCW_VIRTIO=y

+CONFIG_S390_FLIC=y

+CONFIG_S390_FLIC_KVM=y

+CONFIG_SCLPCONSOLE=y

+CONFIG_SCSI=y

+CONFIG_VFIO=y

+CONFIG_VFIO_AP=y

+CONFIG_VFIO_CCW=y

+CONFIG_VFIO_PCI=y

+CONFIG_VHOST_USER=y

+CONFIG_VIRTIO_CCW=y

+CONFIG_WDT_DIAG288=y

+CONFIG_VHOST_VSOCK=y

+CONFIG_VHOST_USER_VSOCK=y

+CONFIG_VHOST_USER_FS=y

diff --git a/configs/devices/x86_64-softmmu/x86_64-rh-devices.mak b/configs/devices/x86_64-softmmu/x86_64-rh-devices.mak

new file mode 100644

index 0000000000..10cb0a14e0

--- /dev/null

+++ b/configs/devices/x86_64-softmmu/x86_64-rh-devices.mak

@@ -0,0 +1,109 @@

+include ../rh-virtio.mak

+

+CONFIG_ACPI=y

+CONFIG_ACPI_PCI=y

+CONFIG_ACPI_CPU_HOTPLUG=y

+CONFIG_ACPI_MEMORY_HOTPLUG=y

+CONFIG_ACPI_NVDIMM=y

+CONFIG_ACPI_SMBUS=y

+CONFIG_ACPI_VMGENID=y

+CONFIG_ACPI_X86=y

+CONFIG_ACPI_X86_ICH=y

+CONFIG_AHCI=y

+CONFIG_APIC=y

+CONFIG_APM=y

+CONFIG_BOCHS_DISPLAY=y

+CONFIG_CXL=y

+CONFIG_CXL_MEM_DEVICE=y

+CONFIG_DIMM=y

+CONFIG_E1000E_PCI_EXPRESS=y

+CONFIG_E1000_PCI=y

+CONFIG_EDU=y

+CONFIG_FDC=y

+CONFIG_FDC_SYSBUS=y

+CONFIG_FDC_ISA=y

+CONFIG_FW_CFG_DMA=y

+CONFIG_HDA=y

+CONFIG_HYPERV=y

+CONFIG_HYPERV_TESTDEV=y

+CONFIG_I2C=y

+CONFIG_I440FX=y

+CONFIG_I8254=y

+CONFIG_I8257=y

+CONFIG_I8259=y

+CONFIG_I82801B11=y

+CONFIG_IDE_CORE=y

+CONFIG_IDE_PCI=y

+CONFIG_IDE_PIIX=y

+CONFIG_IDE_QDEV=y

+CONFIG_IOAPIC=y

+CONFIG_IOH3420=y

+CONFIG_ISA_BUS=y

+CONFIG_ISA_DEBUG=y

+CONFIG_ISA_TESTDEV=y

+CONFIG_LPC_ICH9=y

+CONFIG_MC146818RTC=y

+CONFIG_MEM_DEVICE=y

+CONFIG_NVDIMM=y

+CONFIG_OPENGL=y

+CONFIG_PAM=y

+CONFIG_PC=y

+CONFIG_PCI=y

+CONFIG_PCIE_PORT=y

+CONFIG_PCI_DEVICES=y

+CONFIG_PCI_EXPRESS=y

+CONFIG_PCI_EXPRESS_Q35=y

+CONFIG_PCI_I440FX=y

+CONFIG_PCI_TESTDEV=y

+CONFIG_PCKBD=y

+CONFIG_PCSPK=y

+CONFIG_PC_ACPI=y

+CONFIG_PC_PCI=y

+CONFIG_PFLASH_CFI01=y

+CONFIG_PVPANIC_ISA=y

+CONFIG_PXB=y

+CONFIG_Q35=y

+CONFIG_RTL8139_PCI=y

+CONFIG_SCSI=y

+CONFIG_SERIAL=y

+CONFIG_SERIAL_ISA=y

+CONFIG_SERIAL_PCI=y

+CONFIG_SEV=y

+CONFIG_SMBIOS=y

+CONFIG_SMBUS_EEPROM=y

+CONFIG_TEST_DEVICES=y

+CONFIG_USB=y

+CONFIG_USB_EHCI=y

+CONFIG_USB_EHCI_PCI=y

+CONFIG_USB_SMARTCARD=y

+CONFIG_USB_STORAGE_CORE=y

+CONFIG_USB_STORAGE_CLASSIC=y

+CONFIG_USB_UHCI=y

+CONFIG_USB_XHCI=y

+CONFIG_USB_XHCI_NEC=y

+CONFIG_USB_XHCI_PCI=y

+CONFIG_VFIO=y

+CONFIG_VFIO_PCI=y

+CONFIG_VGA=y

+CONFIG_VGA_CIRRUS=y

+CONFIG_VGA_PCI=y

+CONFIG_VHOST_USER=y

+CONFIG_VHOST_USER_BLK=y

+CONFIG_VIRTIO_MEM=y

+CONFIG_VIRTIO_PCI=y

+CONFIG_VIRTIO_VGA=y

+CONFIG_VIRTIO_IOMMU=y

+CONFIG_VMMOUSE=y

+CONFIG_VMPORT=y

+CONFIG_VTD=y

+CONFIG_WDT_IB6300ESB=y

+CONFIG_WDT_IB700=y

+CONFIG_XIO3130=y

+CONFIG_TPM=y

+CONFIG_TPM_CRB=y

+CONFIG_TPM_TIS_ISA=y

+CONFIG_TPM_EMULATOR=y

+CONFIG_SGX=y

+CONFIG_VHOST_VSOCK=y

+CONFIG_VHOST_USER_VSOCK=y

+CONFIG_VHOST_USER_FS=y

diff --git a/hw/arm/meson.build b/hw/arm/meson.build

index 92f9f6e000..c5e94c997c 100644

--- a/hw/arm/meson.build

+++ b/hw/arm/meson.build

@@ -30,7 +30,7 @@ arm_ss.add(when: 'CONFIG_VEXPRESS', if_true: files('vexpress.c'))

 arm_ss.add(when: 'CONFIG_ZYNQ', if_true: files('xilinx_zynq.c'))

 arm_ss.add(when: 'CONFIG_SABRELITE', if_true: files('sabrelite.c'))

-arm_ss.add(when: 'CONFIG_ARM_V7M', if_true: files('armv7m.c'))

+#arm_ss.add(when: 'CONFIG_ARM_V7M', if_true: files('armv7m.c'))

 arm_ss.add(when: 'CONFIG_EXYNOS4', if_true: files('exynos4210.c'))

 arm_ss.add(when: 'CONFIG_PXA2XX', if_true: files('pxa2xx.c', 'pxa2xx_gpio.c', 'pxa2xx_pic.c'))

 arm_ss.add(when: 'CONFIG_DIGIC', if_true: files('digic.c'))

diff --git a/hw/block/fdc.c b/hw/block/fdc.c

index 64ae4a6899..9b8e782c19 100644

--- a/hw/block/fdc.c

+++ b/hw/block/fdc.c

@@ -49,6 +49,8 @@

 #include "qom/object.h"

 #include "fdc-internal.h"

+#include "hw/boards.h"

+

 /********************************************************/

 /* debug Floppy devices */

@@ -2346,6 +2348,14 @@ void fdctrl_realize_common(DeviceState *dev, FDCtrl *fdctrl, Error **errp)

     FDrive *drive;

     static int command_tables_inited = 0;

+    /* Restricted for Red Hat Enterprise Linux: */

+    MachineClass *mc = MACHINE_GET_CLASS(qdev_get_machine());

+    if (!strstr(mc->name, "-rhel7.")) {

+        error_setg(errp, "Device %s is not supported with machine type %s",

+                   object_get_typename(OBJECT(dev)), mc->name);

+        return;

+    }

+

     if (fdctrl->fallback == FLOPPY_DRIVE_TYPE_AUTO) {

         error_setg(errp, "Cannot choose a fallback FDrive type of 'auto'");

         return;

diff --git a/hw/cpu/meson.build b/hw/cpu/meson.build

index 9e52fee9e7..87c209a754 100644

--- a/hw/cpu/meson.build

+++ b/hw/cpu/meson.build

@@ -1,4 +1,5 @@

-softmmu_ss.add(files('core.c', 'cluster.c'))

+#softmmu_ss.add(files('core.c', 'cluster.c'))

+softmmu_ss.add(files('core.c'))

 specific_ss.add(when: 'CONFIG_ARM11MPCORE', if_true: files('arm11mpcore.c'))

 specific_ss.add(when: 'CONFIG_REALVIEW', if_true: files('realview_mpcore.c'))

diff --git a/hw/display/cirrus_vga.c b/hw/display/cirrus_vga.c

index 6e8c747c46..1948ebee8e 100644

--- a/hw/display/cirrus_vga.c

+++ b/hw/display/cirrus_vga.c

@@ -2946,7 +2946,10 @@ static void pci_cirrus_vga_realize(PCIDevice *dev, Error **errp)

     PCIDeviceClass *pc = PCI_DEVICE_GET_CLASS(dev);

     int16_t device_id = pc->device_id;

-    /*

+     warn_report("'cirrus-vga' is deprecated, "

+                 "please use a different VGA card instead");

+

+     /*

      * Follow real hardware, cirrus card emulated has 4 MB video memory.

      * Also accept 8 MB/16 MB for backward compatibility.

      */

diff --git a/hw/ide/piix.c b/hw/ide/piix.c

index 267dbf37db..87fcda4062 100644

--- a/hw/ide/piix.c

+++ b/hw/ide/piix.c

@@ -199,7 +199,8 @@ static void piix3_ide_class_init(ObjectClass *klass, void *data)

     k->device_id = PCI_DEVICE_ID_INTEL_82371SB_1;

     k->class_id = PCI_CLASS_STORAGE_IDE;

     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);

-    dc->hotpluggable = false;

+    /* Disabled for Red Hat Enterprise Linux: */

+    dc->user_creatable = false;

 }

 static const TypeInfo piix3_ide_info = {

@@ -222,6 +223,8 @@ static void piix4_ide_class_init(ObjectClass *klass, void *data)

     k->class_id = PCI_CLASS_STORAGE_IDE;

     set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);

     dc->hotpluggable = false;

+    /* Disabled for Red Hat Enterprise Linux: */

+    dc->user_creatable = false;

 }

 static const TypeInfo piix4_ide_info = {

diff --git a/hw/input/pckbd.c b/hw/input/pckbd.c

index b92b63bedc..3b6235dde6 100644

--- a/hw/input/pckbd.c

+++ b/hw/input/pckbd.c

@@ -957,6 +957,8 @@ static void i8042_class_initfn(ObjectClass *klass, void *data)

     dc->vmsd = &vmstate_kbd_isa;

     adevc->build_dev_aml = i8042_build_aml;

     set_bit(DEVICE_CATEGORY_INPUT, dc->categories);

+    /* Disabled for Red Hat Enterprise Linux: */

+    dc->user_creatable = false;

 }

 static const TypeInfo i8042_info = {

diff --git a/hw/net/e1000.c b/hw/net/e1000.c

index e26e0a64c1..41492fae79 100644

--- a/hw/net/e1000.c

+++ b/hw/net/e1000.c

@@ -1824,6 +1824,7 @@ static const E1000Info e1000_devices[] = {

         .revision  = 0x03,

         .phy_id2   = E1000_PHY_ID2_8254xx_DEFAULT,

     },

+#if 0 /* Disabled for Red Hat Enterprise Linux 7 */

     {

         .name      = "e1000-82544gc",

         .device_id = E1000_DEV_ID_82544GC_COPPER,

@@ -1836,6 +1837,7 @@ static const E1000Info e1000_devices[] = {

         .revision  = 0x03,

         .phy_id2   = E1000_PHY_ID2_8254xx_DEFAULT,

     },

+#endif

 };

 static void e1000_register_types(void)

diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c

index 8a4861f45a..fcb5dfe792 100644

--- a/hw/ppc/spapr_cpu_core.c

+++ b/hw/ppc/spapr_cpu_core.c

@@ -379,10 +379,12 @@ static const TypeInfo spapr_cpu_core_type_infos[] = {

         .instance_size = sizeof(SpaprCpuCore),

         .class_size = sizeof(SpaprCpuCoreClass),

     },

+#if 0  /* Disabled for Red Hat Enterprise Linux */

     DEFINE_SPAPR_CPU_CORE_TYPE("970_v2.2"),

     DEFINE_SPAPR_CPU_CORE_TYPE("970mp_v1.0"),

     DEFINE_SPAPR_CPU_CORE_TYPE("970mp_v1.1"),

     DEFINE_SPAPR_CPU_CORE_TYPE("power5+_v2.1"),

+#endif

     DEFINE_SPAPR_CPU_CORE_TYPE("power7_v2.3"),

     DEFINE_SPAPR_CPU_CORE_TYPE("power7+_v2.1"),

     DEFINE_SPAPR_CPU_CORE_TYPE("power8_v2.0"),

diff --git a/hw/usb/meson.build b/hw/usb/meson.build

index 793df42e21..cd3c305471 100644

--- a/hw/usb/meson.build

+++ b/hw/usb/meson.build

@@ -52,7 +52,7 @@ softmmu_ss.add(when: 'CONFIG_USB_SMARTCARD', if_true: files('dev-smartcard-reade

 if cacard.found()

   usbsmartcard_ss = ss.source_set()

   usbsmartcard_ss.add(when: 'CONFIG_USB_SMARTCARD',

-                      if_true: [cacard, files('ccid-card-emulated.c', 'ccid-card-passthru.c')])

+                      if_true: [cacard, files('ccid-card-passthru.c')])

   hw_usb_modules += {'smartcard': usbsmartcard_ss}

 endif

diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c

index 9a2cef7d05..a528ff9a3d 100644

--- a/target/arm/cpu_tcg.c

+++ b/target/arm/cpu_tcg.c

@@ -151,6 +151,7 @@ void define_cortex_a72_a57_a53_cp_reginfo(ARMCPU *cpu)

 /* CPU models. These are not needed for the AArch64 linux-user build. */

 #if !defined(CONFIG_USER_ONLY) || !defined(TARGET_AARCH64)

+#if 0 /* Disabled for Red Hat Enterprise Linux */

 #if !defined(CONFIG_USER_ONLY) && defined(CONFIG_TCG)

 static bool arm_v7m_cpu_exec_interrupt(CPUState *cs, int interrupt_request)

 {

@@ -504,6 +505,7 @@ static void cortex_a9_initfn(Object *obj)

     cpu->isar.reset_pmcr_el0 = 0x41093000;

     define_arm_cp_regs(cpu, cortexa9_cp_reginfo);

 }

+#endif /* disabled for RHEL */

 #ifndef CONFIG_USER_ONLY

 static uint64_t a15_l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri)

@@ -528,6 +530,7 @@ static const ARMCPRegInfo cortexa15_cp_reginfo[] = {

       .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },

 };

+#if 0 /* Disabled for Red Hat Enterprise Linux */

 static void cortex_a7_initfn(Object *obj)

 {

     ARMCPU *cpu = ARM_CPU(obj);

@@ -576,6 +579,7 @@ static void cortex_a7_initfn(Object *obj)

     cpu->isar.reset_pmcr_el0 = 0x41072000;

     define_arm_cp_regs(cpu, cortexa15_cp_reginfo); /* Same as A15 */

 }

+#endif /* disabled for RHEL */

 static void cortex_a15_initfn(Object *obj)

 {

@@ -624,6 +628,7 @@ static void cortex_a15_initfn(Object *obj)

     define_arm_cp_regs(cpu, cortexa15_cp_reginfo);

 }

+#if 0 /* Disabled for Red Hat Enterprise Linux */

 static void cortex_m0_initfn(Object *obj)

 {

     ARMCPU *cpu = ARM_CPU(obj);

@@ -1065,6 +1070,7 @@ static void arm_v7m_class_init(ObjectClass *oc, void *data)

     cc->gdb_core_xml_file = "arm-m-profile.xml";

 }

+#endif /* disabled for RHEL */

 #ifndef TARGET_AARCH64

 /*

@@ -1132,6 +1138,7 @@ static void arm_max_initfn(Object *obj)

 #endif /* !TARGET_AARCH64 */

 static const ARMCPUInfo arm_tcg_cpus[] = {

+#if 0 /* Disabled for Red Hat Enterprise Linux */

     { .name = "arm926",      .initfn = arm926_initfn },

     { .name = "arm946",      .initfn = arm946_initfn },

     { .name = "arm1026",     .initfn = arm1026_initfn },

@@ -1147,7 +1154,9 @@ static const ARMCPUInfo arm_tcg_cpus[] = {

     { .name = "cortex-a7",   .initfn = cortex_a7_initfn },

     { .name = "cortex-a8",   .initfn = cortex_a8_initfn },

     { .name = "cortex-a9",   .initfn = cortex_a9_initfn },

+#endif /* disabled for RHEL */

     { .name = "cortex-a15",  .initfn = cortex_a15_initfn },

+#if 0 /* Disabled for Red Hat Enterprise Linux */

     { .name = "cortex-m0",   .initfn = cortex_m0_initfn,

                              .class_init = arm_v7m_class_init },

     { .name = "cortex-m3",   .initfn = cortex_m3_initfn,

@@ -1178,6 +1187,7 @@ static const ARMCPUInfo arm_tcg_cpus[] = {

     { .name = "pxa270-b1",   .initfn = pxa270b1_initfn },

     { .name = "pxa270-c0",   .initfn = pxa270c0_initfn },

     { .name = "pxa270-c5",   .initfn = pxa270c5_initfn },

+#endif /* disabled for RHEL */

 #ifndef TARGET_AARCH64

     { .name = "max",         .initfn = arm_max_initfn },

 #endif

diff --git a/target/ppc/cpu-models.c b/target/ppc/cpu-models.c

index 912b037c63..cd3ff700ac 100644

--- a/target/ppc/cpu-models.c

+++ b/target/ppc/cpu-models.c

@@ -66,6 +66,7 @@

 #define POWERPC_DEF(_name, _pvr, _type, _desc)                              \

     POWERPC_DEF_SVR(_name, _desc, _pvr, POWERPC_SVR_NONE, _type)

+#if 0  /* Embedded and 32-bit CPUs disabled for Red Hat Enterprise Linux */

     /* Embedded PowerPC                                                      */

     /* PowerPC 405 family                                                    */

     /* PowerPC 405 cores                                                     */

@@ -698,8 +699,10 @@

                 "PowerPC 7447A v1.2 (G4)")

     POWERPC_DEF("7457a_v1.2",    CPU_POWERPC_74x7A_v12,              7455,

                 "PowerPC 7457A v1.2 (G4)")

+#endif

     /* 64 bits PowerPC                                                       */

 #if defined(TARGET_PPC64)

+#if 0  /* Disabled for Red Hat Enterprise Linux */

     POWERPC_DEF("970_v2.2",      CPU_POWERPC_970_v22,                970,

                 "PowerPC 970 v2.2")

     POWERPC_DEF("970fx_v1.0",    CPU_POWERPC_970FX_v10,              970,

@@ -718,6 +721,7 @@

                 "PowerPC 970MP v1.1")

     POWERPC_DEF("power5+_v2.1",  CPU_POWERPC_POWER5P_v21,            POWER5P,

                 "POWER5+ v2.1")

+#endif

     POWERPC_DEF("power7_v2.3",   CPU_POWERPC_POWER7_v23,             POWER7,

                 "POWER7 v2.3")

     POWERPC_DEF("power7+_v2.1",  CPU_POWERPC_POWER7P_v21,            POWER7,

@@ -896,12 +900,15 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {

     { "7447a", "7447a_v1.2" },

     { "7457a", "7457a_v1.2" },

     { "apollo7pm", "7457a_v1.0" },

+#endif

 #if defined(TARGET_PPC64)

+#if 0  /* Disabled for Red Hat Enterprise Linux */

     { "970", "970_v2.2" },

     { "970fx", "970fx_v3.1" },

     { "970mp", "970mp_v1.1" },

     { "power5+", "power5+_v2.1" },

     { "power5gs", "power5+_v2.1" },

+#endif

     { "power7", "power7_v2.3" },

     { "power7+", "power7+_v2.1" },

     { "power8e", "power8e_v2.1" },

@@ -911,12 +918,14 @@ PowerPCCPUAlias ppc_cpu_aliases[] = {

     { "power10", "power10_v2.0" },

 #endif

+#if 0  /* Disabled for Red Hat Enterprise Linux */

     /* Generic PowerPCs */

 #if defined(TARGET_PPC64)

     { "ppc64", "970fx_v3.1" },

 #endif

     { "ppc32", "604" },

     { "ppc", "604" },

+#endif

     { NULL, NULL }

 };

diff --git a/target/s390x/cpu_models_sysemu.c b/target/s390x/cpu_models_sysemu.c

index d8a141a023..d086b1c39c 100644

--- a/target/s390x/cpu_models_sysemu.c

+++ b/target/s390x/cpu_models_sysemu.c

@@ -35,6 +35,9 @@ static void check_unavailable_features(const S390CPUModel *max_model,

         (max_model->def->gen == model->def->gen &&

          max_model->def->ec_ga < model->def->ec_ga)) {

         list_add_feat("type", unavailable);

+    } else if (model->def->gen < 11 && kvm_enabled()) {

+        /* Older CPU models are not supported on Red Hat Enterprise Linux */

+        list_add_feat("type", unavailable);

     }

     /* detect missing features if any to properly report them */

diff --git a/target/s390x/kvm/kvm.c b/target/s390x/kvm/kvm.c

index 3ac7ec9acf..97da1a6424 100644

--- a/target/s390x/kvm/kvm.c

+++ b/target/s390x/kvm/kvm.c

@@ -2529,6 +2529,14 @@ void kvm_s390_apply_cpu_model(const S390CPUModel *model, Error **errp)

         error_setg(errp, "KVM doesn't support CPU models");

         return;

     }

+

+    /* Older CPU models are not supported on Red Hat Enterprise Linux */

+    if (model->def->gen < 11) {

+        error_setg(errp, "KVM: Unsupported CPU type specified: %s",

+                   MACHINE(qdev_get_machine())->cpu_type);

+        return;

+    }

+

     prop.cpuid = s390_cpuid_from_cpu_model(model);

     prop.ibc = s390_ibc_from_cpu_model(model);

     /* configure cpu features indicated via STFL(e) */

-- 

2.31.1