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[PATCH 8 of 8] Tools: Libxc wrapper for the new sharing audit domctl
tools/libxc/xc_memshr.c | 14 ++++++++++++++
tools/libxc/xenctrl.h | 2 ++
2 files changed, 16 insertions(+), 0 deletions(-)


Signed-off-by: Adin Scannell <adin@scannell.ca>

diff -r 33935769e257 -r 6514004012c7 tools/libxc/xc_memshr.c
--- a/tools/libxc/xc_memshr.c
+++ b/tools/libxc/xc_memshr.c
@@ -211,3 +211,17 @@ int xc_memshr_debug_gref(xc_interface *x
return do_domctl(xch, &domctl);
}

+int xc_memshr_audit(xc_interface *xch,
+ uint32_t domid)
+{
+ DECLARE_DOMCTL;
+ struct xen_domctl_mem_sharing_op *op;
+
+ domctl.cmd = XEN_DOMCTL_mem_sharing_op;
+ domctl.interface_version = XEN_DOMCTL_INTERFACE_VERSION;
+ domctl.domain = (domid_t)domid;
+ op = &(domctl.u.mem_sharing_op);
+ op->op = XEN_DOMCTL_MEM_EVENT_OP_SHARING_AUDIT;
+
+ return do_domctl(xch, &domctl);
+}
diff -r 33935769e257 -r 6514004012c7 tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h
+++ b/tools/libxc/xenctrl.h
@@ -1921,6 +1921,8 @@ int xc_memshr_debug_mfn(xc_interface *xc
int xc_memshr_debug_gref(xc_interface *xch,
uint32_t domid,
grant_ref_t gref);
+int xc_memshr_audit(xc_interface *xch,
+ uint32_t domid);

int xc_flask_load(xc_interface *xc_handle, char *buf, uint32_t size);
int xc_flask_context_to_sid(xc_interface *xc_handle, char *buf, uint32_t size, uint32_t *sid);

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Re: [PATCH 8 of 8] Tools: Libxc wrapper for the new sharing audit domctl [ In reply to ]
On Fri, 2011-12-09 at 23:15 +0000, Andres Lagar-Cavilla wrote:
> tools/libxc/xc_memshr.c | 14 ++++++++++++++
> tools/libxc/xenctrl.h | 2 ++
> 2 files changed, 16 insertions(+), 0 deletions(-)

This is something you'd trigger manually as a debug aid? Or would the
memshr daemon do it occasionally?

>
>
> Signed-off-by: Adin Scannell <adin@scannell.ca>
>
> diff -r 33935769e257 -r 6514004012c7 tools/libxc/xc_memshr.c
> --- a/tools/libxc/xc_memshr.c
> +++ b/tools/libxc/xc_memshr.c
> @@ -211,3 +211,17 @@ int xc_memshr_debug_gref(xc_interface *x
> return do_domctl(xch, &domctl);
> }
>
> +int xc_memshr_audit(xc_interface *xch,
> + uint32_t domid)
> +{
> + DECLARE_DOMCTL;
> + struct xen_domctl_mem_sharing_op *op;
> +
> + domctl.cmd = XEN_DOMCTL_mem_sharing_op;
> + domctl.interface_version = XEN_DOMCTL_INTERFACE_VERSION;
> + domctl.domain = (domid_t)domid;
> + op = &(domctl.u.mem_sharing_op);
> + op->op = XEN_DOMCTL_MEM_EVENT_OP_SHARING_AUDIT;
> +
> + return do_domctl(xch, &domctl);
> +}
> diff -r 33935769e257 -r 6514004012c7 tools/libxc/xenctrl.h
> --- a/tools/libxc/xenctrl.h
> +++ b/tools/libxc/xenctrl.h
> @@ -1921,6 +1921,8 @@ int xc_memshr_debug_mfn(xc_interface *xc
> int xc_memshr_debug_gref(xc_interface *xch,
> uint32_t domid,
> grant_ref_t gref);
> +int xc_memshr_audit(xc_interface *xch,
> + uint32_t domid);
>
> int xc_flask_load(xc_interface *xc_handle, char *buf, uint32_t size);
> int xc_flask_context_to_sid(xc_interface *xc_handle, char *buf, uint32_t size, uint32_t *sid);



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