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| author | Andres Lagar-Cavilla <andres@lagarcavilla.org> | 2011-12-01 14:56:43 +0000 |
|---|---|---|
| committer | Andres Lagar-Cavilla <andres@lagarcavilla.org> | 2011-12-01 14:56:43 +0000 |
| commit | 94d32436e1fd68304252534f0df758d07c883c3a (patch) | |
| tree | a996f372edbf901ccc142c699f37dd1abc6e3094 /tools/libxc | |
| parent | 5e6ced1018bfc0811e15508d0c59f1cb6a86622a (diff) | |
| download | xen-94d32436e1fd68304252534f0df758d07c883c3a.tar.gz xen-94d32436e1fd68304252534f0df758d07c883c3a.tar.bz2 xen-94d32436e1fd68304252534f0df758d07c883c3a.zip | |
Tools: Add libxc wrapper for p2m audit domctl
Signed-off-by: Andres Lagar-Cavilla <andres@lagarcavilla.org>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Committed-by: Tim Deegan <tim@xen.org>
Diffstat (limited to 'tools/libxc')
| -rw-r--r-- | tools/libxc/xc_domain.c | 22 | ||||
| -rw-r--r-- | tools/libxc/xenctrl.h | 27 |
2 files changed, 49 insertions, 0 deletions
diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c index 5d2a4df1b3..306b2122bc 100644 --- a/tools/libxc/xc_domain.c +++ b/tools/libxc/xc_domain.c @@ -1472,6 +1472,28 @@ int xc_domain_debug_control(xc_interface *xc, uint32_t domid, uint32_t sop, uint return do_domctl(xc, &domctl); } +int xc_domain_p2m_audit(xc_interface *xch, + uint32_t domid, + uint64_t *orphans_debug, + uint64_t *orphans_invalid, + uint64_t *m2p_bad, + uint64_t *p2m_bad) +{ + DECLARE_DOMCTL; + int rc; + + domctl.cmd = XEN_DOMCTL_audit_p2m; + domctl.domain = domid; + rc = do_domctl(xch, &domctl); + + *orphans_debug = domctl.u.audit_p2m.orphans_debug; + *orphans_invalid = domctl.u.audit_p2m.orphans_invalid; + *m2p_bad = domctl.u.audit_p2m.m2p_bad; + *p2m_bad = domctl.u.audit_p2m.p2m_bad; + + return rc; +} + int xc_domain_set_access_required(xc_interface *xch, uint32_t domid, unsigned int required) diff --git a/tools/libxc/xenctrl.h b/tools/libxc/xenctrl.h index ad94f46b9d..9e2a4373f4 100644 --- a/tools/libxc/xenctrl.h +++ b/tools/libxc/xenctrl.h @@ -712,6 +712,33 @@ int xc_domain_setdebugging(xc_interface *xch, unsigned int enable); /** + * This function audits the (top level) p2m of a domain + * and returns the different error counts, if any. + * + * @parm xch a handle to an open hypervisor interface + * @parm domid the domain id whose top level p2m we + * want to audit + * @parm orphans_debug count of m2p entries for valid + * domain pages containing a debug value + * @parm orphans_invalid count of m2p entries for valid + * domain pages containing an invalid value + * @parm m2p_bad count of m2p entries mismatching the + * associated p2m entry for this domain + * @parm p2m_bad count of p2m entries for this domain + * mismatching the associated m2p entry + * return 0 on success, -1 on failure + * errno values on failure include: + * -ENOSYS: not implemented + * -EFAULT: could not copy results back to guest + */ +int xc_domain_p2m_audit(xc_interface *xch, + uint32_t domid, + uint64_t *orphans_debug, + uint64_t *orphans_invalid, + uint64_t *m2p_bad, + uint64_t *p2m_bad); + +/** * This function sets or clears the requirement that an access memory * event listener is required on the domain. * |