diff options
| author | Sean Christopherson <seanjc@google.com> | 2025-06-11 14:35:56 -0700 |
|---|---|---|
| committer | Sean Christopherson <seanjc@google.com> | 2025-06-20 13:52:52 -0700 |
| commit | 37b1761fe89529a1531b971d4d869b4e6d345704 (patch) | |
| tree | 89c81fcb06ae9f41eeb6a2d222fdb98a4409849a /arch/x86/kvm/ioapic.h | |
| parent | 8fd2a6d43a10184f8edcc7adc0547e1871df6705 (diff) | |
KVM: x86: Move IRQ mask notifier infrastructure to I/O APIC emulation
Move the IRQ mask logic to ioapic.c as KVM's only user is its in-kernel
I/O APIC emulation. In addition to encapsulating more I/O APIC specific
code, trimming down irq_comm.c helps pave the way for removing it entirely.
Acked-by: Kai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/r/20250611213557.294358-18-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>
Diffstat (limited to 'arch/x86/kvm/ioapic.h')
| -rw-r--r-- | arch/x86/kvm/ioapic.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/kvm/ioapic.h b/arch/x86/kvm/ioapic.h index dc92bd7c37bc..bf28dbc11ff6 100644 --- a/arch/x86/kvm/ioapic.h +++ b/arch/x86/kvm/ioapic.h @@ -86,8 +86,24 @@ struct kvm_ioapic { struct delayed_work eoi_inject; u32 irq_eoi[IOAPIC_NUM_PINS]; u32 irr_delivered; + + /* reads protected by irq_srcu, writes by irq_lock */ + struct hlist_head mask_notifier_list; +}; + +struct kvm_irq_mask_notifier { + void (*func)(struct kvm_irq_mask_notifier *kimn, bool masked); + int irq; + struct hlist_node link; }; +void kvm_register_irq_mask_notifier(struct kvm *kvm, int irq, + struct kvm_irq_mask_notifier *kimn); +void kvm_unregister_irq_mask_notifier(struct kvm *kvm, int irq, + struct kvm_irq_mask_notifier *kimn); +void kvm_fire_mask_notifiers(struct kvm *kvm, unsigned irqchip, unsigned pin, + bool mask); + #ifdef DEBUG #define ASSERT(x) \ do { \ |