Commit 8b13c364 authored by Paolo Bonzini's avatar Paolo Bonzini
Browse files

KVM: introduce KVM_CAP_SET_GUEST_DEBUG2 



This capability will allow the user to know which KVM_GUESTDBG_* bits
are supported.

Signed-off-by: default avatarMaxim Levitsky <mlevitsk@redhat.com>
Message-Id: <20210401135451.1004564-3-mlevitsk@redhat.com>
Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 4020da3b

Documentation/virt/kvm/api.rst

+3 −0
Original line number Diff line number Diff line
@@ -3357,6 +3357,9 @@ indicating the number of supported registers. 
For ppc, the KVM_CAP_PPC_GUEST_DEBUG_SSTEP capability indicates whether

the single-step debug event (KVM_GUESTDBG_SINGLESTEP) is supported.



Also when supported, KVM_CAP_SET_GUEST_DEBUG2 capability indicates the

supported KVM_GUESTDBG_* bits in the control field.



When debug events exit the main run loop with the reason

KVM_EXIT_DEBUG with the kvm_debug_exit_arch part of the kvm_run

structure containing architecture specific debug information.

include/uapi/linux/kvm.h

+1 −0
Original line number Diff line number Diff line
@@ -1078,6 +1078,7 @@ struct kvm_ppc_resize_hpt { 
#define KVM_CAP_DIRTY_LOG_RING 192

#define KVM_CAP_X86_BUS_LOCK_EXIT 193

#define KVM_CAP_PPC_DAWR1 194

#define KVM_CAP_SET_GUEST_DEBUG2 195



#ifdef KVM_CAP_IRQ_ROUTING