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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 27/28] libxl: ocaml: add VM lifecycle operations
Signed-off-by: Rob Hoes <rob.hoes@xxxxxxxxxx>
---
tools/ocaml/libs/xl/xenlight.ml.in | 10 ++
tools/ocaml/libs/xl/xenlight.mli.in | 10 ++
tools/ocaml/libs/xl/xenlight_stubs.c | 171 ++++++++++++++++++++++++++++++++++
3 files changed, 191 insertions(+)
diff --git a/tools/ocaml/libs/xl/xenlight.ml.in
b/tools/ocaml/libs/xl/xenlight.ml.in
index 96d6a38..5cd5204 100644
--- a/tools/ocaml/libs/xl/xenlight.ml.in
+++ b/tools/ocaml/libs/xl/xenlight.ml.in
@@ -86,6 +86,16 @@ type event =
(* @@LIBXL_TYPES@@ *)
+external domain_create_new : ctx -> Domain_config.t -> domid =
"stub_xl_domain_create_new"
+external domain_create_restore : ctx -> Domain_config.t -> Unix.file_descr ->
domid = "stub_xl_domain_create_restore"
+external domain_shutdown : ctx -> domid -> unit = "stub_libxl_domain_shutdown"
+external domain_wait_shutdown : ctx -> domid -> unit =
"stub_libxl_domain_wait_shutdown"
+external domain_reboot : ctx -> domid -> unit = "stub_libxl_domain_reboot"
+external domain_destroy : ctx -> domid -> unit = "stub_libxl_domain_destroy"
+external domain_suspend : ctx -> domid -> Unix.file_descr -> unit =
"stub_libxl_domain_suspend"
+external domain_pause : ctx -> domid -> unit = "stub_libxl_domain_pause"
+external domain_unpause : ctx -> domid -> unit = "stub_libxl_domain_unpause"
+
external send_trigger : ctx -> domid -> trigger -> int -> unit =
"stub_xl_send_trigger"
external send_sysrq : ctx -> domid -> char -> unit = "stub_xl_send_sysrq"
external send_debug_keys : ctx -> string -> unit = "stub_xl_send_debug_keys"
diff --git a/tools/ocaml/libs/xl/xenlight.mli.in
b/tools/ocaml/libs/xl/xenlight.mli.in
index d66f666..41713f3 100644
--- a/tools/ocaml/libs/xl/xenlight.mli.in
+++ b/tools/ocaml/libs/xl/xenlight.mli.in
@@ -58,6 +58,16 @@ type event =
(* @@LIBXL_TYPES@@ *)
+external domain_create_new : ctx -> Domain_config.t -> domid =
"stub_xl_domain_create_new"
+external domain_create_restore : ctx -> Domain_config.t -> Unix.file_descr ->
domid = "stub_xl_domain_create_restore"
+external domain_shutdown : ctx -> domid -> unit = "stub_libxl_domain_shutdown"
+external domain_wait_shutdown : ctx -> domid -> unit =
"stub_libxl_domain_wait_shutdown"
+external domain_reboot : ctx -> domid -> unit = "stub_libxl_domain_reboot"
+external domain_destroy : ctx -> domid -> unit = "stub_libxl_domain_destroy"
+external domain_suspend : ctx -> domid -> Unix.file_descr -> unit =
"stub_libxl_domain_suspend"
+external domain_pause : ctx -> domid -> unit = "stub_libxl_domain_pause"
+external domain_unpause : ctx -> domid -> unit = "stub_libxl_domain_unpause"
+
external send_trigger : ctx -> domid -> trigger -> int -> unit =
"stub_xl_send_trigger"
external send_sysrq : ctx -> domid -> char -> unit = "stub_xl_send_sysrq"
external send_debug_keys : ctx -> string -> unit = "stub_xl_send_debug_keys"
diff --git a/tools/ocaml/libs/xl/xenlight_stubs.c
b/tools/ocaml/libs/xl/xenlight_stubs.c
index f832f37..f3dd832 100644
--- a/tools/ocaml/libs/xl/xenlight_stubs.c
+++ b/tools/ocaml/libs/xl/xenlight_stubs.c
@@ -327,6 +327,177 @@ static char *String_option_val(value v)
#include "_libxl_types.inc"
+static int domain_wait_event(libxl_ctx *ctx, int domid, libxl_event **event_r)
+{
+ int ret;
+ for (;;) {
+ ret = libxl_event_wait(ctx, event_r, LIBXL_EVENTMASK_ALL, 0,0);
+ if (ret) {
+ return ret;
+ }
+ if ((*event_r)->domid != domid) {
+ char *evstr = libxl_event_to_json(CTX, *event_r);
+ free(evstr);
+ libxl_event_free(CTX, *event_r);
+ continue;
+ }
+ return ret;
+ }
+}
+
+value stub_xl_domain_create_new(value ctx, value domain_config)
+{
+ CAMLparam2(ctx, domain_config);
+ int ret;
+ libxl_domain_config c_dconfig;
+ uint32_t c_domid;
+
+ libxl_domain_config_init(&c_dconfig);
+ ret = domain_config_val(CTX, &c_dconfig, domain_config);
+ if (ret != 0)
+ failwith_xl(ret, "domain_create_new");
+
+ ret = libxl_domain_create_new(CTX, &c_dconfig, &c_domid, NULL, NULL);
+ if (ret != 0)
+ failwith_xl(ret, "domain_create_new");
+
+ libxl_domain_config_dispose(&c_dconfig);
+
+ CAMLreturn(Val_int(c_domid));
+}
+
+value stub_xl_domain_create_restore(value ctx, value domain_config, value
restore_fd)
+{
+ CAMLparam2(ctx, domain_config);
+ int ret;
+ libxl_domain_config c_dconfig;
+ uint32_t c_domid;
+
+ ret = domain_config_val(CTX, &c_dconfig, domain_config);
+ if (ret != 0)
+ failwith_xl(ret, "domain_create_restore");
+
+ ret = libxl_domain_create_restore(CTX, &c_dconfig, &c_domid,
Int_val(restore_fd), NULL, NULL);
+ if (ret != 0)
+ failwith_xl(ret, "domain_create_restore");
+
+ libxl_domain_config_dispose(&c_dconfig);
+
+ CAMLreturn(Val_int(c_domid));
+}
+
+value stub_libxl_domain_wait_shutdown(value ctx, value domid)
+{
+ CAMLparam2(ctx, domid);
+ int ret;
+ libxl_event *event;
+ libxl_evgen_domain_death *deathw;
+ ret = libxl_evenable_domain_death(CTX, Int_val(domid), 0, &deathw);
+ if (ret) {
+ fprintf(stderr,"wait for death failed (evgen, rc=%d)\n",ret);
+ exit(-1);
+ }
+
+ for (;;) {
+ ret = domain_wait_event(CTX, Int_val(domid), &event);
+ if (ret)
+ failwith_xl(ret, "domain_shutdown");
+
+ switch (event->type) {
+ case LIBXL_EVENT_TYPE_DOMAIN_DEATH:
+ goto done;
+ case LIBXL_EVENT_TYPE_DOMAIN_SHUTDOWN:
+ goto done;
+ default:
+ break;
+ }
+ libxl_event_free(CTX, event);
+ }
+done:
+ libxl_event_free(CTX, event);
+ libxl_evdisable_domain_death(CTX, deathw);
+
+ CAMLreturn(Val_unit);
+}
+
+value stub_libxl_domain_shutdown(value ctx, value domid)
+{
+ CAMLparam2(ctx, domid);
+ int ret;
+
+ ret = libxl_domain_shutdown(CTX, Int_val(domid));
+
+ if (ret != 0)
+ failwith_xl(ret, "domain_shutdown");
+
+ CAMLreturn(Val_unit);
+}
+
+value stub_libxl_domain_reboot(value ctx, value domid)
+{
+ CAMLparam2(ctx, domid);
+ int ret;
+
+ ret = libxl_domain_reboot(CTX, Int_val(domid));
+
+ if (ret != 0)
+ failwith_xl(ret, "domain_reboot");
+
+ CAMLreturn(Val_unit);
+}
+
+value stub_libxl_domain_destroy(value ctx, value domid)
+{
+ CAMLparam2(ctx, domid);
+ int ret;
+
+ ret = libxl_domain_destroy(CTX, Int_val(domid), 0);
+
+ if (ret != 0)
+ failwith_xl(ret, "domain_destroy");
+
+ CAMLreturn(Val_unit);
+}
+
+value stub_libxl_domain_suspend(value ctx, value domid, value fd)
+{
+ CAMLparam3(ctx, domid, fd);
+ int ret;
+
+ ret = libxl_domain_suspend(CTX, Int_val(domid), Int_val(fd), 0, 0);
+
+ if (ret != 0)
+ failwith_xl(ret, "domain_suspend");
+
+ CAMLreturn(Val_unit);
+}
+
+value stub_libxl_domain_pause(value ctx, value domid)
+{
+ CAMLparam2(ctx, domid);
+ int ret;
+
+ ret = libxl_domain_pause(CTX, Int_val(domid));
+
+ if (ret != 0)
+ failwith_xl(ret, "domain_pause");
+
+ CAMLreturn(Val_unit);
+}
+
+value stub_libxl_domain_unpause(value ctx, value domid)
+{
+ CAMLparam2(ctx, domid);
+ int ret;
+
+ ret = libxl_domain_unpause(CTX, Int_val(domid));
+
+ if (ret != 0)
+ failwith_xl(ret, "domain_unpause");
+
+ CAMLreturn(Val_unit);
+}
+
void async_callback(libxl_ctx *ctx, int rc, void *for_callback)
{
int *task = (int *) for_callback;
--
1.7.10.4
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