diff options
| author | Matt Gingell <gingell@google.com> | 2015-11-16 10:03:06 -0800 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2015-12-17 17:15:40 +0100 |
| commit | 32c18a2dbaf79c241eddabd19a3b410bab5bf0cc (patch) | |
| tree | 6b3fd1e6c987d5e812dbcc279ad087789dbf9f74 /include/sysemu | |
| parent | ff99aa64b13ea85ee35ec09c3fe720ad8bc83154 (diff) | |
| download | qemu-32c18a2dbaf79c241eddabd19a3b410bab5bf0cc.tar.gz | |
kvm: add support for -machine kernel_irqchip=split
This patch adds the initial plumbing for split IRQ chip mode via
KVM_CAP_SPLIT_IRQCHIP. In addition to option processing, a number of
kvm_*_in_kernel macros are defined to help clarify which component is
where.
Signed-off-by: Matt Gingell <gingell@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'include/sysemu')
| -rw-r--r-- | include/sysemu/kvm.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 9a569f1f46..c8f43dc82d 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -43,6 +43,7 @@ extern bool kvm_allowed; extern bool kvm_kernel_irqchip; +extern bool kvm_split_irqchip; extern bool kvm_async_interrupts_allowed; extern bool kvm_halt_in_kernel_allowed; extern bool kvm_eventfds_allowed; @@ -71,6 +72,16 @@ extern bool kvm_ioeventfd_any_length_allowed; #define kvm_irqchip_in_kernel() (kvm_kernel_irqchip) /** + * kvm_irqchip_is_split: + * + * Returns: true if the user asked us to split the irqchip + * implementation between user and kernel space. The details are + * architecture and machine specific. On PC, it means that the PIC, + * IOAPIC, and PIT are in user space while the LAPIC is in the kernel. + */ +#define kvm_irqchip_is_split() (kvm_split_irqchip) + +/** * kvm_async_interrupts_enabled: * * Returns: true if we can deliver interrupts to KVM |