[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [RFC 3/3] libxc: Add support for the altp2m suppress #VE hvmop
This adds a wrapper for issuing HVMOP_altp2m_set_suppress_ve from a domain. Signed-off-by: Adrian Pop <apop@xxxxxxxxxxxxxxx> --- tools/libxc/include/xenctrl.h | 2 ++ tools/libxc/xc_altp2m.c | 24 ++++++++++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h index 2d97d36c38..5e1e4cfa81 100644 --- a/tools/libxc/include/xenctrl.h +++ b/tools/libxc/include/xenctrl.h @@ -1923,6 +1923,8 @@ int xc_altp2m_destroy_view(xc_interface *handle, domid_t domid, /* Switch all vCPUs of the domain to the specified altp2m view */ int xc_altp2m_switch_to_view(xc_interface *handle, domid_t domid, uint16_t view_id); +int xc_altp2m_set_suppress_ve(xc_interface *handle, domid_t domid, + uint16_t view_id, xen_pfn_t gfn, uint8_t sve); int xc_altp2m_set_mem_access(xc_interface *handle, domid_t domid, uint16_t view_id, xen_pfn_t gfn, xenmem_access_t access); diff --git a/tools/libxc/xc_altp2m.c b/tools/libxc/xc_altp2m.c index 0639632477..b0f3e344af 100644 --- a/tools/libxc/xc_altp2m.c +++ b/tools/libxc/xc_altp2m.c @@ -163,6 +163,30 @@ int xc_altp2m_switch_to_view(xc_interface *handle, domid_t domid, return rc; } +int xc_altp2m_set_suppress_ve(xc_interface *handle, domid_t domid, + uint16_t view_id, xen_pfn_t gfn, uint8_t sve) +{ + int rc; + DECLARE_HYPERCALL_BUFFER(xen_hvm_altp2m_op_t, arg); + + arg = xc_hypercall_buffer_alloc(handle, arg, sizeof(*arg)); + if ( arg == NULL ) + return -1; + + arg->version = HVMOP_ALTP2M_INTERFACE_VERSION; + arg->cmd = HVMOP_altp2m_set_suppress_ve; + arg->domain = domid; + arg->u.set_suppress_ve.view = view_id; + arg->u.set_suppress_ve.gfn = gfn; + arg->u.set_suppress_ve.suppress_ve = sve; + + rc = xencall2(handle->xcall, __HYPERVISOR_hvm_op, HVMOP_altp2m, + HYPERCALL_BUFFER_AS_ARG(arg)); + + xc_hypercall_buffer_free(handle, arg); + return rc; +} + int xc_altp2m_set_mem_access(xc_interface *handle, domid_t domid, uint16_t view_id, xen_pfn_t gfn, xenmem_access_t access) -- 2.12.1 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx https://lists.xen.org/xen-devel
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