On 21.03.2013, at 07:24, Bharat Bhushan wrote:
> From: Bharat Bhushan <bharat.bhus...@freescale.com>
>
> This patch defines the interface parameter for KVM_SET_GUEST_DEBUG
> ioctl support. Follow up patches will use this for setting up
> hardware breakpoints, watchpoints and software breakpoints.
>
> Also kvm_arch_vcpu_ioctl_set_guest_debug() is brought one level below.
> This is because I am not sure what is required for book3s. So this ioctl
> behaviour will not change for book3s.
>
> Signed-off-by: Bharat Bhushan <bharat.bhus...@freescale.com>
> ---
> v2:
> - No Change
>
> arch/powerpc/include/uapi/asm/kvm.h | 23 +++++++++++++++++++++++
> arch/powerpc/kvm/book3s.c | 6 ++++++
> arch/powerpc/kvm/booke.c | 6 ++++++
> arch/powerpc/kvm/powerpc.c | 6 ------
> 4 files changed, 35 insertions(+), 6 deletions(-)
>
> diff --git a/arch/powerpc/include/uapi/asm/kvm.h
> b/arch/powerpc/include/uapi/asm/kvm.h
> index c2ff99c..15f9a00 100644
> --- a/arch/powerpc/include/uapi/asm/kvm.h
> +++ b/arch/powerpc/include/uapi/asm/kvm.h
> @@ -272,8 +272,31 @@ struct kvm_debug_exit_arch {
>
> /* for KVM_SET_GUEST_DEBUG */
> struct kvm_guest_debug_arch {
> + struct {
> + /* H/W breakpoint/watchpoint address */
> + __u64 addr;
> + /*
> + * Type denotes h/w breakpoint, read watchpoint, write
> + * watchpoint or watchpoint (both read and write).
> + */
> +#define KVMPPC_DEBUG_NOTYPE 0x0
> +#define KVMPPC_DEBUG_BREAKPOINT (1UL << 1)
> +#define KVMPPC_DEBUG_WATCH_WRITE (1UL << 2)
> +#define KVMPPC_DEBUG_WATCH_READ (1UL << 3)
Are you sure you want to introduce these here, just to remove them again in a
later patch?
Alex
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