qemu-kvm/kvm-amd_iommu-Check-APIC-ID-255-for-XTSup.patch
Miroslav Rezanina bd7b93c113 * Tue Jul 08 2025 Miroslav Rezanina <mrezanin@redhat.com> - 9.1.0-25
- kvm-s390x-Fix-leak-in-machine_set_loadparm.patch [RHEL-98554]
- kvm-hw-s390x-ccw-device-Fix-memory-leak-in-loadparm-sett.patch [RHEL-98554]
- kvm-amd_iommu-Rename-variable-mmio-to-mr_mmio.patch [RHEL-66202]
- kvm-amd_iommu-Add-support-for-pass-though-mode.patch [RHEL-66202]
- kvm-amd_iommu-Use-shared-memory-region-for-Interrupt-Rem.patch [RHEL-66202]
- kvm-amd_iommu-Send-notification-when-invalidate-interrup.patch [RHEL-66202]
- kvm-amd_iommu-Check-APIC-ID-255-for-XTSup.patch [RHEL-66202]
- kvm-io-Fix-partial-struct-copy-in-qio_dns_resolver_looku.patch [RHEL-67104]
- kvm-util-qemu-sockets-Refactor-setting-client-sockopts-i.patch [RHEL-67104]
- kvm-util-qemu-sockets-Refactor-success-and-failure-paths.patch [RHEL-67104]
- kvm-util-qemu-sockets-Add-support-for-keep-alive-flag-to.patch [RHEL-67104]
- kvm-util-qemu-sockets-Refactor-inet_parse-to-use-QemuOpt.patch [RHEL-67104]
- kvm-util-qemu-sockets-Introduce-inet-socket-options-cont.patch [RHEL-67104]
- kvm-tests-unit-test-util-sockets-fix-mem-leak-on-error-o.patch [RHEL-67104]
- kvm-target-i386-Expose-bits-related-to-SRSO-vulnerabilit.patch [RHEL-52649]
- kvm-target-i386-Add-PerfMonV2-feature-bit.patch [RHEL-52649]
- kvm-target-i386-Update-EPYC-CPU-model-for-Cache-property.patch [RHEL-52649]
- kvm-target-i386-Update-EPYC-Rome-CPU-model-for-Cache-pro.patch [RHEL-52649]
- kvm-target-i386-Update-EPYC-Milan-CPU-model-for-Cache-pr.patch [RHEL-52649]
- kvm-target-i386-Add-couple-of-feature-bits-in-CPUID_Fn80.patch [RHEL-52649]
- kvm-target-i386-Update-EPYC-Genoa-for-Cache-property-per.patch [RHEL-52649]
- kvm-target-i386-Add-support-for-EPYC-Turin-model.patch [RHEL-52649]
- kvm-hw-i386-amd_iommu-Assign-pci-id-0x1419-for-the-AMD-I.patch [RHEL-70926]
- kvm-hw-i386-amd_iommu-Isolate-AMDVI-PCI-from-amd-iommu-d.patch [RHEL-70925]
- kvm-hw-i386-amd_iommu-Allow-migration-when-explicitly-cr.patch [RHEL-70925]
- kvm-Enable-amd-iommu-device.patch [RHEL-70925]
- kvm-include-qemu-compiler-add-QEMU_UNINITIALIZED-attribu.patch [RHEL-99888]
- kvm-hw-virtio-virtio-avoid-cost-of-ftrivial-auto-var-ini.patch [RHEL-99888]
- kvm-block-skip-automatic-zero-init-of-large-array-in-ioq.patch [RHEL-99888]
- kvm-chardev-char-fd-skip-automatic-zero-init-of-large-ar.patch [RHEL-99888]
- kvm-chardev-char-pty-skip-automatic-zero-init-of-large-a.patch [RHEL-99888]
- kvm-chardev-char-socket-skip-automatic-zero-init-of-larg.patch [RHEL-99888]
- kvm-hw-audio-ac97-skip-automatic-zero-init-of-large-arra.patch [RHEL-99888]
- kvm-hw-audio-cs4231a-skip-automatic-zero-init-of-large-a.patch [RHEL-99888]
- kvm-hw-audio-es1370-skip-automatic-zero-init-of-large-ar.patch [RHEL-99888]
- kvm-hw-audio-gus-skip-automatic-zero-init-of-large-array.patch [RHEL-99888]
- kvm-hw-audio-marvell_88w8618-skip-automatic-zero-init-of.patch [RHEL-99888]
- kvm-hw-audio-sb16-skip-automatic-zero-init-of-large-arra.patch [RHEL-99888]
- kvm-hw-audio-via-ac97-skip-automatic-zero-init-of-large-.patch [RHEL-99888]
- kvm-hw-char-sclpconsole-lm-skip-automatic-zero-init-of-l.patch [RHEL-99888]
- kvm-hw-dma-xlnx_csu_dma-skip-automatic-zero-init-of-larg.patch [RHEL-99888]
- kvm-hw-display-vmware_vga-skip-automatic-zero-init-of-la.patch [RHEL-99888]
- kvm-hw-hyperv-syndbg-skip-automatic-zero-init-of-large-a.patch [RHEL-99888]
- kvm-hw-misc-aspeed_hace-skip-automatic-zero-init-of-larg.patch [RHEL-99888]
- kvm-hw-net-rtl8139-skip-automatic-zero-init-of-large-arr.patch [RHEL-99888]
- kvm-hw-net-tulip-skip-automatic-zero-init-of-large-array.patch [RHEL-99888]
- kvm-hw-net-virtio-net-skip-automatic-zero-init-of-large-.patch [RHEL-99888]
- kvm-hw-net-xgamc-skip-automatic-zero-init-of-large-array.patch [RHEL-99888]
- kvm-hw-nvme-ctrl-skip-automatic-zero-init-of-large-array.patch [RHEL-99888]
- kvm-hw-ppc-spapr_tpm_proxy-skip-automatic-zero-init-of-l.patch [RHEL-99888]
- kvm-hw-usb-hcd-ohci-skip-automatic-zero-init-of-large-ar.patch [RHEL-99888]
- kvm-hw-scsi-lsi53c895a-skip-automatic-zero-init-of-large.patch [RHEL-99888]
- kvm-hw-scsi-megasas-skip-automatic-zero-init-of-large-ar.patch [RHEL-99888]
- kvm-hw-ufs-lu-skip-automatic-zero-init-of-large-array.patch [RHEL-99888]
- kvm-net-socket-skip-automatic-zero-init-of-large-array.patch [RHEL-99888]
- kvm-net-stream-skip-automatic-zero-init-of-large-array.patch [RHEL-99888]
- kvm-ui-vnc-Update-display-update-interval-when-VM-state-.patch [RHEL-100741]
- Resolves: RHEL-98554
  ([s390x][RHEL9.7.0][virtio_block] there would be memory leak with virtio_blk disks)
- Resolves: RHEL-66202
  ([AMDSERVER 9.6 Feature] qemu: Interrupt Remap support for emulated amd viommu)
- Resolves: RHEL-67104
  (postcopy on the destination host can't switch into pause status under the network issue if boot VM with '-S')
- Resolves: RHEL-52649
  ([AMDSERVER 9.6 Feature] Turin: Qemu EPYC-Turin Model)
- Resolves: RHEL-70926
  (Qemu/amd-iommu: Advertise a suitable device id)
- Resolves: RHEL-70925
  (Qemu/amd-iommu: Add ability to manually specify the AMDVI-PCI device)
- Resolves: RHEL-99888
  (-ftrivial-auto-var-init=zero reduced performance [rhel-9])
- Resolves: RHEL-100741
  (Video stuck after switchover phase when play one video during migration [rhel-9])
2025-07-08 02:53:14 -04:00

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2.3 KiB
Diff

From 0397ebacdba6539147d9986255c3f81cbfdabf1e Mon Sep 17 00:00:00 2001
From: John Allen <john.allen@amd.com>
Date: Wed, 11 Dec 2024 15:07:03 -0600
Subject: [PATCH 07/57] amd_iommu: Check APIC ID > 255 for XTSup
RH-Author: John Allen <None>
RH-MergeRequest: 303: Interrupt Remap support for emulated amd viommu
RH-Jira: RHEL-66202
RH-Acked-by: Miroslav Rezanina <mrezanin@redhat.com>
RH-Commit: [5/5] f39b3e3cdefc2b562f1ad2ef939a37bf404f355a (johnalle/qemu-kvm-fork)
JIRA: https://issues.redhat.com/browse/RHEL-66202
commit b12cb3819baf6d9ee8140d4dd6d36fa829e2c6d9
Author: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Date: Fri Sep 27 12:29:13 2024 -0500
amd_iommu: Check APIC ID > 255 for XTSup
The XTSup mode enables x2APIC support for AMD IOMMU, which is needed
to support vcpu w/ APIC ID > 255.
Reviewed-by: Alejandro Jimenez <alejandro.j.jimenez@oracle.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Signed-off-by: Santosh Shukla <santosh.shukla@amd.com>
Message-Id: <20240927172913.121477-6-santosh.shukla@amd.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: John Allen <john.allen@amd.com>
---
hw/i386/amd_iommu.c | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/hw/i386/amd_iommu.c b/hw/i386/amd_iommu.c
index 82d76dfca9..d804656ea8 100644
--- a/hw/i386/amd_iommu.c
+++ b/hw/i386/amd_iommu.c
@@ -32,6 +32,7 @@
#include "trace.h"
#include "hw/i386/apic-msidef.h"
#include "hw/qdev-properties.h"
+#include "kvm/kvm_i386.h"
/* used AMD-Vi MMIO registers */
const char *amdvi_mmio_low[] = {
@@ -1651,6 +1652,16 @@ static void amdvi_sysbus_realize(DeviceState *dev, Error **errp)
memory_region_add_subregion_overlap(&s->mr_sys, AMDVI_INT_ADDR_FIRST,
&s->mr_ir, 1);
+ /* AMD IOMMU with x2APIC mode requires xtsup=on */
+ if (x86ms->apic_id_limit > 255 && !s->xtsup) {
+ error_report("AMD IOMMU with x2APIC confguration requires xtsup=on");
+ exit(EXIT_FAILURE);
+ }
+ if (s->xtsup && kvm_irqchip_is_split() && !kvm_enable_x2apic()) {
+ error_report("AMD IOMMU xtsup=on requires support on the KVM side");
+ exit(EXIT_FAILURE);
+ }
+
pci_setup_iommu(bus, &amdvi_iommu_ops, s);
amdvi_init(s);
}
--
2.39.3