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[Qemu-devel] [PATCH 04/15] xen: xen_machine_fv, initialize xenstore
From: |
stefano . stabellini |
Subject: |
[Qemu-devel] [PATCH 04/15] xen: xen_machine_fv, initialize xenstore |
Date: |
Thu, 12 Aug 2010 15:09:51 +0100 |
From: Anthony PERARD <address@hidden>
Introduce a xen_dm_init function that opens a new xenstore connection
and the xenctrl interface; call xen_dm_init from xen_machine_fv.
Signed-off-by: Anthony PERARD <address@hidden>
Signed-off-by: Stefano Stabellini <address@hidden>
---
Makefile.target | 1 +
hw/xen_machine_fv.c | 8 ++++++++
target-xen/xenstore.c | 24 ++++++++++++++++++++++++
target-xen/xenstore.h | 6 ++++++
4 files changed, 39 insertions(+), 0 deletions(-)
create mode 100644 target-xen/xenstore.c
create mode 100644 target-xen/xenstore.h
diff --git a/Makefile.target b/Makefile.target
index 359a984..63dc7d1 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -323,6 +323,7 @@ obj-xen-y += i8259.o
obj-xen-y += pc.o
obj-xen-y += piix_pci.o
obj-xen-y += mc146818rtc.o
+obj-xen-y += xenstore.o
obj-xen-y += xen_mapcache.o
obj-xen-y += stub-functions.o
diff --git a/hw/xen_machine_fv.c b/hw/xen_machine_fv.c
index 8114460..5fef7de 100644
--- a/hw/xen_machine_fv.c
+++ b/hw/xen_machine_fv.c
@@ -32,6 +32,8 @@
#include "ide.h"
#include "sysemu.h"
+#include "xen_backend.h"
+#include "xenstore.h"
#include "xen/hvm/hvm_info_table.h"
#define MAX_IDE_BUS 2
@@ -61,6 +63,12 @@ static void xen_init_fv(ram_addr_t ram_size,
CPUState *env;
+ /* Initialize backend core & drivers */
+ if (xen_dm_init() != 0) {
+ fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__);
+ exit(1);
+ }
+
/* Initialize a dummy CPU */
if (cpu_model == NULL) {
#ifdef TARGET_X86_64
diff --git a/target-xen/xenstore.c b/target-xen/xenstore.c
new file mode 100644
index 0000000..c202f66
--- /dev/null
+++ b/target-xen/xenstore.c
@@ -0,0 +1,24 @@
+#include "hw/xen_backend.h"
+#include "xenstore.h"
+
+int xen_dm_init(void)
+{
+ xenstore = xs_daemon_open();
+ if (!xenstore) {
+ xen_be_printf(NULL, 0, "can't connect to xenstored\n");
+ return -1;
+ }
+
+ xen_xc = xc_interface_open(NULL, NULL, 0);
+ if (xen_xc == NULL) {
+ xen_be_printf(NULL, 0, "can't open xen interface\n");
+ goto err;
+ }
+ return 0;
+
+err:
+ xs_daemon_close(xenstore);
+ xenstore = NULL;
+
+ return -1;
+}
diff --git a/target-xen/xenstore.h b/target-xen/xenstore.h
new file mode 100644
index 0000000..90baf79
--- /dev/null
+++ b/target-xen/xenstore.h
@@ -0,0 +1,6 @@
+#ifndef XENSTORE_H_
+#define XENSTORE_H_
+
+int xen_dm_init(void);
+
+#endif /* !XENSTORE_H_ */
--
1.7.0.4
[Qemu-devel] [PATCH 14/15] xen: destroy the VM when shutdown is requested, stefano . stabellini, 2010/08/12
[Qemu-devel] [PATCH 08/15] xen: Read and write the state of the VM in xenstore, stefano . stabellini, 2010/08/12