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| author | Oliver Upton <oliver.upton@linux.dev> | 2025-07-26 18:50:06 +0300 |
|---|---|---|
| committer | Oliver Upton <oliver.upton@linux.dev> | 2025-07-26 18:50:06 +0300 |
| commit | 1f315e99bdd52001255cd26d822f23563f2fabb3 (patch) | |
| tree | dbbd84c31b4acebca60970622a2a5a4dd9b49104 /include/linux | |
| parent | ccd73c57820eba4c4768c5c9e59eefe3e20e0870 (diff) | |
| parent | ff2aa6495d4beafa84cfdd8c61fc00785fee3d9a (diff) | |
| download | linux-1f315e99bdd52001255cd26d822f23563f2fabb3.tar.xz | |
Merge branch 'kvm-arm64/gcie-legacy' into kvmarm/next
* kvm-arm64/gcie-legacy:
: Support for GICv3 emulation on GICv5, courtesy of Sascha Bischoff
:
: FEAT_GCIE_LEGACY adds the necessary hardware for GICv5 systems to
: support the legacy GICv3 for VMs, including a backwards-compatible VGIC
: implementation that we all know and love.
:
: As a starting point for GICv5 enablement in KVM, enable + use the
: GICv3-compatible feature when running VMs on GICv5 hardware.
KVM: arm64: gic-v5: Probe for GICv5
KVM: arm64: gic-v5: Support GICv3 compat
arm64/sysreg: Add ICH_VCTLR_EL2
irqchip/gic-v5: Populate struct gic_kvm_info
irqchip/gic-v5: Skip deactivate for forwarded PPI interrupts
Signed-off-by: Oliver Upton <oliver.upton@linux.dev>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/irqchip/arm-vgic-info.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/irqchip/arm-vgic-info.h b/include/linux/irqchip/arm-vgic-info.h index a75b2c7de69d..ca1713fac6e3 100644 --- a/include/linux/irqchip/arm-vgic-info.h +++ b/include/linux/irqchip/arm-vgic-info.h @@ -15,6 +15,8 @@ enum gic_type { GIC_V2, /* Full GICv3, optionally with v2 compat */ GIC_V3, + /* Full GICv5, optionally with v3 compat */ + GIC_V5, }; struct gic_kvm_info { @@ -34,6 +36,8 @@ struct gic_kvm_info { bool has_v4_1; /* Deactivation impared, subpar stuff */ bool no_hw_deactivation; + /* v3 compat support (GICv5 hosts, only) */ + bool has_gcie_v3_compat; }; #ifdef CONFIG_KVM |