[Xen-API] [PATCH 7 of 9] PoC: libxc+ocaml: add interfaces to send triggers to HVM guests

[Ian Campbell <ian.campbell@xxxxxxxxxx>]

# HG changeset patch
# User Ian Campbell <ian.campbell@xxxxxxxxxx>
# Date 1294742832 0
# Node ID 8110fd3fc41eb6730d53df9d4ef221d65a079df4
# Parent  62138b63f5c3a586ad3697c2c6bd1da44016c80a
PoC: libxc+ocaml: add interfaces to send triggers to HVM guests

* ACPI power button event
* ACPI sleep button event

Required by xapi.

Taken from xen-api-libs.hg/xc and adjusted for upstream libxc+ocaml.

Signed-off-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

diff -r 62138b63f5c3 -r 8110fd3fc41e tools/libxc/xc_domain.c
--- a/tools/libxc/xc_domain.c   Tue Jan 11 10:47:12 2011 +0000
+++ b/tools/libxc/xc_domain.c   Tue Jan 11 10:47:12 2011 +0000
@@ -1504,6 +1504,36 @@ int xc_domain_get_acpi_s_state(xc_interf
     return value;
 }
 
+int xc_domain_trigger_power(xc_interface *xch, unsigned int domid)
+{
+    int ret;
+    DECLARE_DOMCTL;
+
+    domctl.cmd = XEN_DOMCTL_sendtrigger;
+    domctl.domain = domid;
+    domctl.u.sendtrigger.trigger = XEN_DOMCTL_SENDTRIGGER_POWER;
+
+    ret = do_domctl(xch, &domctl);
+    if (ret != 0)
+        ERROR("power button failed");
+    return ret;
+}
+
+int xc_domain_trigger_sleep(xc_interface *xch, unsigned int domid)
+{
+    int ret;
+    DECLARE_DOMCTL;
+
+    domctl.cmd = XEN_DOMCTL_sendtrigger;
+    domctl.domain = domid;
+    domctl.u.sendtrigger.trigger = XEN_DOMCTL_SENDTRIGGER_SLEEP;
+
+    ret = do_domctl(xch, &domctl);
+    if (ret != 0)
+        ERROR("sleep button failed");
+    return ret;
+}
+
 /*
  * Local variables:
  * mode: C
diff -r 62138b63f5c3 -r 8110fd3fc41e tools/libxc/xenctrl.h
--- a/tools/libxc/xenctrl.h     Tue Jan 11 10:47:12 2011 +0000
+++ b/tools/libxc/xenctrl.h     Tue Jan 11 10:47:12 2011 +0000
@@ -606,6 +606,9 @@ int xc_domain_set_hpet(xc_interface *xch
 int xc_domain_set_vpt_align(xc_interface *xch, unsigned int domid, int 
vpt_align);
 int xc_domain_get_acpi_s_state(xc_interface *xch, unsigned int domid);
 
+int xc_domain_trigger_power(xc_interface *xch, unsigned int domid);
+int xc_domain_trigger_sleep(xc_interface *xch, unsigned int domid);
+
 /**
  * This function returns information about the execution context of a
  * particular vcpu of a domain.
diff -r 62138b63f5c3 -r 8110fd3fc41e tools/ocaml/libs/xc/xc.ml
--- a/tools/ocaml/libs/xc/xc.ml Tue Jan 11 10:47:12 2011 +0000
+++ b/tools/ocaml/libs/xc/xc.ml Tue Jan 11 10:47:12 2011 +0000
@@ -248,6 +248,9 @@ external domain_set_vpt_align: handle ->
 external domain_send_s3resume: handle -> domid -> unit = 
"stub_xc_domain_send_s3resume"
 external domain_get_acpi_s_state: handle -> domid -> int = 
"stub_xc_domain_get_acpi_s_state"
 
+external domain_trigger_power: handle -> domid -> unit = 
"stub_xc_domain_trigger_power"
+external domain_trigger_sleep: handle -> domid -> unit = 
"stub_xc_domain_trigger_sleep"
+
 (** check if some hvm domain got pv driver or not *)
 external hvm_check_pvdriver: handle -> domid -> bool
        = "stub_xc_hvm_check_pvdriver"
diff -r 62138b63f5c3 -r 8110fd3fc41e tools/ocaml/libs/xc/xc.mli
--- a/tools/ocaml/libs/xc/xc.mli        Tue Jan 11 10:47:12 2011 +0000
+++ b/tools/ocaml/libs/xc/xc.mli        Tue Jan 11 10:47:12 2011 +0000
@@ -166,6 +166,11 @@ external domain_send_s3resume: handle ->
   = "stub_xc_domain_send_s3resume"
 external domain_get_acpi_s_state: handle -> domid -> int = 
"stub_xc_domain_get_acpi_s_state"
 
+external domain_trigger_power: handle -> domid -> unit
+  = "stub_xc_domain_trigger_power"
+external domain_trigger_sleep: handle -> domid -> unit
+  = "stub_xc_domain_trigger_sleep"
+
 external hvm_check_pvdriver : handle -> domid -> bool
   = "stub_xc_hvm_check_pvdriver"
 external version : handle -> version = "stub_xc_version_version"
diff -r 62138b63f5c3 -r 8110fd3fc41e tools/ocaml/libs/xc/xc_stubs.c
--- a/tools/ocaml/libs/xc/xc_stubs.c    Tue Jan 11 10:47:12 2011 +0000
+++ b/tools/ocaml/libs/xc/xc_stubs.c    Tue Jan 11 10:47:12 2011 +0000
@@ -1247,6 +1247,20 @@ CAMLprim value stub_xc_domain_set_vpt_al
         CAMLreturn(Val_unit);
 }
 
+CAMLprim value stub_xc_domain_trigger_power(value xch, value domid)
+{
+       CAMLparam2(xch, domid);
+       xc_domain_trigger_power(_H(xch), _D(domid));
+       CAMLreturn(Val_unit);
+}
+
+CAMLprim value stub_xc_domain_trigger_sleep(value xch, value domid)
+{
+       CAMLparam2(xch, domid);
+       xc_domain_trigger_sleep(_H(xch), _D(domid));
+       CAMLreturn(Val_unit);
+}
+
 CAMLprim value stub_xc_get_boot_cpufeatures(value xch)
 {
        CAMLparam1(xch);

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