[PATCH v4 16/16] Add xen-hvm-send-trigger

[Don Slutz <dslutz@verizon.com>]

A tool to send a trigger to a domU via xc_domain_send_trigger

Signed-off-by: Don Slutz <dslutz@verizon.com>
---
 .gitignore                        |   1 +
 tools/misc/Makefile               |   7 ++-
 tools/misc/xen-hvm-send-trigger.c | 103 ++++++++++++++++++++++++++++++++++++++
 3 files changed, 109 insertions(+), 2 deletions(-)
 create mode 100644 tools/misc/xen-hvm-send-trigger.c

diff --git a/.gitignore b/.gitignore
index 606c703..d66c5f5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -183,6 +183,7 @@ tools/misc/xen-hvmctx
 tools/misc/xen-hvm-param
 tools/misc/xen-vmware-guestinfo
 tools/misc/xen-list-vmware-guestinfo
+tools/misc/xen-hvm-send-trigger
 tools/misc/gtraceview
 tools/misc/gtracestat
 tools/misc/xenlockprof
diff --git a/tools/misc/Makefile b/tools/misc/Makefile
index 3e7d216..9c5e988 100644
--- a/tools/misc/Makefile
+++ b/tools/misc/Makefile
@@ -10,7 +10,7 @@ CFLAGS += $(CFLAGS_libxenstore)
 HDRS     = $(wildcard *.h)
 
 TARGETS-y := xenperf xenpm xen-tmem-list-parse gtraceview gtracestat xenlockprof xenwatchdogd xencov
-TARGETS-$(CONFIG_X86) += xen-detect xen-hvmctx xen-hvm-param xen-vmware-guestinfo xen-list-vmware-guestinfo xen-hvmcrash xen-lowmemd xen-mfndump
+TARGETS-$(CONFIG_X86) += xen-detect xen-hvmctx xen-hvm-param xen-vmware-guestinfo xen-list-vmware-guestinfo xen-hvm-send-trigger xen-hvmcrash xen-lowmemd xen-mfndump
 TARGETS-$(CONFIG_MIGRATE) += xen-hptool
 TARGETS := $(TARGETS-y)
 
@@ -22,7 +22,7 @@ INSTALL_BIN := $(INSTALL_BIN-y)
 
 INSTALL_SBIN-y := xen-bugtool xen-python-path xenperf xenpm xen-tmem-list-parse gtraceview \
 	gtracestat xenlockprof xenwatchdogd xen-ringwatch xencov
-INSTALL_SBIN-$(CONFIG_X86) += xen-hvmctx xen-hvm-param xen-vmware-guestinfo xen-list-vmware-guestinfo xen-hvmcrash xen-lowmemd xen-mfndump
+INSTALL_SBIN-$(CONFIG_X86) += xen-hvmctx xen-hvm-param xen-vmware-guestinfo xen-list-vmware-guestinfo xen-hvm-send-trigger xen-hvmcrash xen-lowmemd xen-mfndump
 INSTALL_SBIN-$(CONFIG_MIGRATE) += xen-hptool
 INSTALL_SBIN := $(INSTALL_SBIN-y)
 
@@ -66,6 +66,9 @@ xen-vmware-guestinfo: xen-vmware-guestinfo.o
 xen-list-vmware-guestinfo: xen-list-vmware-guestinfo.o
 	$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS_libxenctrl) $(APPEND_LDFLAGS)
 
+xen-hvm-send-trigger: xen-hvm-send-trigger.o
+	$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS_libxenctrl) $(APPEND_LDFLAGS)
+
 xen-hvmcrash: xen-hvmcrash.o
 	$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS_libxenctrl) $(APPEND_LDFLAGS)
 
diff --git a/tools/misc/xen-hvm-send-trigger.c b/tools/misc/xen-hvm-send-trigger.c
new file mode 100644
index 0000000..b822f9c
--- /dev/null
+++ b/tools/misc/xen-hvm-send-trigger.c
@@ -0,0 +1,103 @@
+/*
+ * tools/misc/xen-hvm-send-trigger.c
+ *
+ * Copyright (C) 2014 Verizon Corporation
+ *
+ * This file is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License Version 2 (GPLv2)
+ * as published by the Free Software Foundation.
+ *
+ * This file is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details. <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <err.h>
+
+#include <xenctrl.h>
+#include <xen/domctl.h>
+
+#define HVM_NR_SENDTRIGGERS 8
+
+int
+main(int argc, char **argv)
+{
+    xc_interface *xch;
+    int domid;
+    int sendtrigger;
+    uint32_t vcpuid = 0;
+    int ret = 0;
+    int i;
+    char hvm_sendtrigger_name[HVM_NR_SENDTRIGGERS][80];
+
+    if ( (argc < 3) || (argc > 4) )
+        errx(1, "usage: %s domid trigger [vcpuid]", argv[0]);
+
+    for ( i = 0; i < HVM_NR_SENDTRIGGERS; i++ )
+        snprintf(hvm_sendtrigger_name[i], sizeof(hvm_sendtrigger_name[i]), "Unknown %d",
+                 i);
+
+    snprintf(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_NMI],
+             sizeof(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_NMI]),
+             "Trigger_Nmi");
+    snprintf(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_RESET],
+             sizeof(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_RESET]),
+             "Trigger_Reset");
+    snprintf(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_INIT],
+             sizeof(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_INIT]),
+             "Trigger_Init");
+    snprintf(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_POWER],
+             sizeof(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_POWER]),
+             "Trigger_Power");
+    snprintf(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_SLEEP],
+             sizeof(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_SLEEP]),
+             "Trigger_Sleep");
+    snprintf(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_VTPOWER],
+             sizeof(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_VTPOWER]),
+             "Trigger_VTPower");
+    snprintf(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_VTREBOOT],
+             sizeof(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_VTREBOOT]),
+             "Trigger_VTReboot");
+    snprintf(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_VTPING],
+             sizeof(hvm_sendtrigger_name[XEN_DOMCTL_SENDTRIGGER_VTPING]),
+             "Trigger_VTPing");
+
+
+    xch = xc_interface_open(0, 0, 0);
+    if ( !xch )
+        err(1, "failed to open control interface");
+
+    domid = atoi(argv[1]);
+    sendtrigger = strtol(argv[2], NULL, 0);
+    if ( argc > 3 )
+        vcpuid = strtol(argv[3], NULL, 0);
+
+    if ( sendtrigger >= 0 && sendtrigger < HVM_NR_SENDTRIGGERS )
+        printf("Sending trigger(%s)=%d to domid %d vcpuid %u\n",
+               hvm_sendtrigger_name[sendtrigger], sendtrigger,
+               domid, vcpuid);
+    else
+        printf("Sending trigger %d to domid %d vcpuid %u\n",
+               sendtrigger, domid, vcpuid);
+
+    ret = xc_domain_send_trigger(xch, domid, sendtrigger, vcpuid);
+    if ( ret )
+        err(1, "failed to send sendtrigger %d for domid %d", sendtrigger,
+            domid);
+
+    xc_interface_close(xch);
+
+    return ret;
+}
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * indent-tabs-mode: nil
+ * End:
+ */
-- 
1.8.4