[RFC][PATCH v1 3/3] Add xen-list-vmware-guestinfo

[Don Slutz <dslutz@verizon.com>]

A tool to list currently set VMware guestinfo

Signed-off-by: Don Slutz <dslutz@verizon.com>
---
 .gitignore                             |  1 +
 tools/misc/Makefile                    |  7 ++-
 tools/misc/xen-list-vmware-guestinfo.c | 88 ++++++++++++++++++++++++++++++++++
 3 files changed, 94 insertions(+), 2 deletions(-)
 create mode 100644 tools/misc/xen-list-vmware-guestinfo.c

diff --git a/.gitignore b/.gitignore
index d3602be..bcf317f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -181,6 +181,7 @@ tools/misc/xenpm
 tools/misc/xen-hvmctx
 tools/misc/xen-hvm-param
 tools/misc/xen-vmware-guestinfo
+tools/misc/xen-list-vmware-guestinfo
 tools/misc/gtraceview
 tools/misc/gtracestat
 tools/misc/xenlockprof
diff --git a/tools/misc/Makefile b/tools/misc/Makefile
index f2ffe1a..3e7d216 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-$(CONFIG_X86) += xen-detect xen-hvmctx xen-hvm-param xen-vmware-guestinfo xen-hvmcrash xen-lowmemd xen-mfndump
+TARGETS-$(CONFIG_X86) += xen-detect xen-hvmctx xen-hvm-param xen-vmware-guestinfo xen-list-vmware-guestinfo xen-hvmcrash xen-lowmemd xen-mfndump
 TARGETS-$(CONFIG_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-$(CONFIG_X86) += xen-hvmctx xen-hvm-param xen-vmware-guestinfo xen-hvmcrash xen-lowmemd xen-mfndump
+INSTALL_SBIN-$(CONFIG_X86) += xen-hvmctx xen-hvm-param xen-vmware-guestinfo xen-list-vmware-guestinfo xen-hvmcrash xen-lowmemd xen-mfndump
 INSTALL_SBIN-$(CONFIG_MIGRATE) += xen-hptool
 INSTALL_SBIN := $(INSTALL_SBIN-y)
 
@@ -63,6 +63,9 @@ xen-hvm-param: xen-hvm-param.o
 xen-vmware-guestinfo: xen-vmware-guestinfo.o
 	$(CC) $(LDFLAGS) -o $@ $< $(LDLIBS_libxenctrl) $(APPEND_LDFLAGS)
 
+xen-list-vmware-guestinfo: xen-list-vmware-guestinfo.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-list-vmware-guestinfo.c b/tools/misc/xen-list-vmware-guestinfo.c
new file mode 100644
index 0000000..2d253b6
--- /dev/null
+++ b/tools/misc/xen-list-vmware-guestinfo.c
@@ -0,0 +1,88 @@
+/*
+ * tools/misc/xen-list-vmware-guestinfo.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 <string.h>
+#include <err.h>
+
+#include <xenctrl.h>
+
+
+int
+main(int argc, char **argv)
+{
+    xc_interface *xch;
+    int domid;
+    int ret = 0;
+
+    unsigned int idx = 0;
+    char key[128];
+    unsigned int key_len;
+    char value[8192];
+    unsigned int value_len;
+
+    if ( argc != 2 )
+        errx(1, "usage: %s domid", argv[0]);
+
+    xch = xc_interface_open(0, 0, 0);
+    if ( !xch )
+        err(1, "failed to open control interface");
+
+    domid = atoi(argv[1]);
+
+    while ( !xc_fetch_vmport_guest_info(xch, domid, idx, sizeof(key),
+                                        &key_len, key, sizeof(value),
+                                        &value_len, value) )
+    {
+        if ( key_len )
+        {
+            char *keys = "";
+            char *vals = "";
+
+            /* Make sure this is a c-string */
+            if ( key_len < sizeof(key) )
+                key[key_len] = 0;
+            else
+            {
+                key[sizeof(key) - 1] = 0;
+                keys = "...";
+            }
+            /* Make sure this is a c-string */
+            if ( value_len < sizeof(value) )
+                value[value_len] = 0;
+            else
+            {
+                value[sizeof(value) - 1] = 0;
+                vals = "...";
+            }
+            printf("VMware guestinfo '%s'%s='%s'%s\n",
+                   key, keys, value, vals);
+        }
+        idx++;
+    }
+    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