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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen-unstable] tools/libxl: Fix blktap2 NetBSD build and also revert broken change
# HG changeset patch
# User Christoph Egger <Christoph.Egger@xxxxxxx>
# Date 1279900019 -3600
# Node ID df9d8319bd37af1b1f4752a2714b42b093588c70
# Parent fcbdfb368e20e23bbdeb84f2d876a5c974c271cf
tools/libxl: Fix blktap2 NetBSD build and also revert broken change
Fix e76befc7fe2d which broke the build.
Also revert 24277e3237ca which was broken.
Signed-off-by: Christoph Egger <Christoph.Egger@xxxxxxx>
Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Committed-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>
---
tools/libxl/Makefile | 4 ++-
tools/libxl/libxl.c | 57 ++++++++++++-------------------------------
tools/libxl/libxl_device.c | 2 -
tools/libxl/libxl_internal.h | 2 -
tools/libxl/libxl_linux.c | 50 +++++++++++++++++++++++++++++++++++++
tools/libxl/libxl_netbsd.c | 28 +++++++++++++++++++++
tools/libxl/libxl_osdeps.h | 21 +++++++++++++++
7 files changed, 120 insertions(+), 44 deletions(-)
diff -r fcbdfb368e20 -r df9d8319bd37 tools/libxl/Makefile
--- a/tools/libxl/Makefile Wed Jul 21 16:50:15 2010 +0100
+++ b/tools/libxl/Makefile Fri Jul 23 16:46:59 2010 +0100
@@ -18,6 +18,8 @@ LIBS = $(LDFLAGS_libxenctrl) $(LDFLAGS_l
LIBS = $(LDFLAGS_libxenctrl) $(LDFLAGS_libxenguest) $(LDFLAGS_libxenstore)
$(LDFLAGS_libblktapctl) $(UTIL_LIBS)
LIBXL_OBJS-y = osdeps.o libxl_paths.o libxl_bootloader.o
+LIBXL_OBJS-$(CONFIG_Linux) += libxl_linux.o
+LIBXL_OBJS-$(CONFIG_NetBSD) += libxl_netbsd.o
LIBXL_OBJS = flexarray.o libxl.o libxl_dom.o libxl_exec.o libxl_xshelp.o
libxl_device.o libxl_internal.o xenguest.o libxl_utils.o $(LIBXL_OBJS-y)
AUTOINCS= libxlu_cfg_y.h libxlu_cfg_l.h
@@ -85,7 +87,7 @@ xl_cmdtable.o: xl_cmdtable.c
xl_cmdtable.o: xl_cmdtable.c
$(CC) $(CFLAGS) -c xl_cmdtable.c
-$(CLIENTS): xl.o xl_cmdimpl.o xl_cmdtable.o libxl_paths.o libxl_bootloader.o
libxlutil.so libxenlight.so
+$(CLIENTS): xl.o xl_cmdimpl.o xl_cmdtable.o libxlutil.so libxenlight.so
$(CC) $(LDFLAGS) -o $@ $^ $(LIBS)
.PHONY: install
diff -r fcbdfb368e20 -r df9d8319bd37 tools/libxl/libxl.c
--- a/tools/libxl/libxl.c Wed Jul 21 16:50:15 2010 +0100
+++ b/tools/libxl/libxl.c Fri Jul 23 16:46:59 2010 +0100
@@ -34,7 +34,6 @@
#include "libxl_utils.h"
#include "libxl_internal.h"
#include "flexarray.h"
-#include "tap-ctl.h"
#define PAGE_TO_MEMKB(pages) ((pages) * 4)
@@ -1345,27 +1344,6 @@ int libxl_confirm_device_model_startup(s
/******************************************************************************/
-static char *get_blktap2_device(struct libxl_ctx *ctx,
- const char *name, const char *type)
-{
- int minor = tap_ctl_find_minor(type, name);
- if (minor < 0)
- return NULL;
- return libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", minor);
-}
-
-static char *make_blktap2_device(struct libxl_ctx *ctx,
- const char *name, const char *type)
-{
- char *params, *devname = NULL;
- int err;
- params = libxl_sprintf(ctx, "%s:%s", type, name);
- err = tap_ctl_create(params, &devname);
- if (!err)
- libxl_ptr_add(ctx, devname);
- return err ? NULL : devname;
-}
-
int libxl_device_disk_add(struct libxl_ctx *ctx, uint32_t domid,
libxl_device_disk *disk)
{
flexarray_t *front;
@@ -1414,14 +1392,13 @@ int libxl_device_disk_add(struct libxl_c
case PHYSTYPE_FILE:
/* let's pretend is tap:aio for the moment */
disk->phystype = PHYSTYPE_AIO;
- case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case
PHYSTYPE_VHD: {
- const char *msg;
- if (!tap_ctl_check(&msg)) {
- const char *type =
device_disk_string_of_phystype(disk->phystype);
- char *dev;
- dev = get_blktap2_device(ctx, disk->physpath, type);
- if (!dev)
- dev = make_blktap2_device(ctx, disk->physpath, type);
+ case PHYSTYPE_AIO:
+ case PHYSTYPE_QCOW:
+ case PHYSTYPE_QCOW2:
+ case PHYSTYPE_VHD:
+ if (libxl_blktap_enabled(ctx)) {
+ const char *dev = libxl_blktap_devpath(ctx,
+ disk->physpath, disk->phystype);
if (!dev)
return -1;
flexarray_set(back, boffset++, "tapdisk-params");
@@ -1442,7 +1419,7 @@ int libxl_device_disk_add(struct libxl_c
device.backend_kind = DEVICE_TAP;
break;
- }
+
default:
XL_LOG(ctx, XL_LOG_ERROR, "unrecognized disk physical type: %d\n",
disk->phystype);
return ERROR_INVAL;
@@ -1506,7 +1483,7 @@ int libxl_device_disk_del(struct libxl_c
const char * libxl_device_disk_local_attach(struct libxl_ctx *ctx,
libxl_device_disk *disk)
{
- char *dev = NULL;
+ const char *dev = NULL;
int phystype = disk->phystype;
switch (phystype) {
case PHYSTYPE_PHY: {
@@ -1517,16 +1494,14 @@ const char * libxl_device_disk_local_att
case PHYSTYPE_FILE:
/* let's pretend is tap:aio for the moment */
phystype = PHYSTYPE_AIO;
- case PHYSTYPE_AIO: case PHYSTYPE_QCOW: case PHYSTYPE_QCOW2: case
PHYSTYPE_VHD: {
- const char *msg;
- if (!tap_ctl_check(&msg)) {
- const char *type = device_disk_string_of_phystype(phystype);
- dev = get_blktap2_device(ctx, disk->physpath, type);
- if (!dev)
- dev = make_blktap2_device(ctx, disk->physpath, type);
- }
+ case PHYSTYPE_AIO:
+ case PHYSTYPE_QCOW:
+ case PHYSTYPE_QCOW2:
+ case PHYSTYPE_VHD:
+ if (libxl_blktap_enabled(ctx))
+ dev = libxl_blktap_devpath(ctx, disk->physpath, phystype);
break;
- }
+
default:
XL_LOG(ctx, XL_LOG_ERROR, "unrecognized disk physical type: %d\n",
phystype);
break;
diff -r fcbdfb368e20 -r df9d8319bd37 tools/libxl/libxl_device.c
--- a/tools/libxl/libxl_device.c Wed Jul 21 16:50:15 2010 +0100
+++ b/tools/libxl/libxl_device.c Fri Jul 23 16:46:59 2010 +0100
@@ -132,7 +132,7 @@ char *device_disk_backend_type_of_physty
}
}
-int device_physdisk_major_minor(char *physpath, int *major, int *minor)
+int device_physdisk_major_minor(const char *physpath, int *major, int *minor)
{
struct stat buf;
if (stat(physpath, &buf) < 0)
diff -r fcbdfb368e20 -r df9d8319bd37 tools/libxl/libxl_internal.h
--- a/tools/libxl/libxl_internal.h Wed Jul 21 16:50:15 2010 +0100
+++ b/tools/libxl/libxl_internal.h Fri Jul 23 16:46:59 2010 +0100
@@ -149,7 +149,7 @@ char *device_disk_backend_type_of_physty
char *device_disk_backend_type_of_phystype(libxl_disk_phystype phystype);
char *device_disk_string_of_phystype(libxl_disk_phystype phystype);
-int device_physdisk_major_minor(char *physpath, int *major, int *minor);
+int device_physdisk_major_minor(const char *physpath, int *major, int *minor);
int device_disk_dev_number(char *virtpath);
int libxl_device_generic_add(struct libxl_ctx *ctx, libxl_device *device,
diff -r fcbdfb368e20 -r df9d8319bd37 tools/libxl/libxl_linux.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/libxl/libxl_linux.c Fri Jul 23 16:46:59 2010 +0100
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2010 Advanced Micro Devices
+ * Author Christoph Egger <Christoph.Egger@xxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; version 2.1 only.
+ *
+ * This program 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 Lesser General Public License for more details.
+ */
+
+#include "libxl.h"
+#include "libxl_osdeps.h"
+
+#include "tap-ctl.h"
+
+int libxl_blktap_enabled(struct libxl_ctx *ctx)
+{
+ const char *msg;
+ return !tap_ctl_check(&msg);
+}
+
+const char *libxl_blktap_devpath(struct libxl_ctx *ctx,
+ const char *disk,
+ libxl_disk_phystype phystype)
+{
+ const char *type, *devname;
+ char *params;
+ int minor, err;
+
+ type = device_disk_string_of_type(phystype);
+ minor = tap_ctl_find_minor(type, disk);
+ if (minor >= 0) {
+ devname = libxl_sprintf(ctx, "/dev/xen/blktap-2/tapdev%d", minor);
+ if (devname)
+ return devname;
+ }
+
+ params = libxl_sprintf(ctx, "%s:%s", type, disk);
+ err = tap_ctl_create(params, &devname);
+ if (!err) {
+ libxl_ptr_add(ctx, devname);
+ return devname;
+ }
+
+ return NULL;
+}
diff -r fcbdfb368e20 -r df9d8319bd37 tools/libxl/libxl_netbsd.c
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/libxl/libxl_netbsd.c Fri Jul 23 16:46:59 2010 +0100
@@ -0,0 +1,28 @@
+/*
+ * Copyright (C) 2010 Advanced Micro Devices
+ * Author Christoph Egger <Christoph.Egger@xxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published
+ * by the Free Software Foundation; version 2.1 only.
+ *
+ * This program 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 Lesser General Public License for more details.
+ */
+
+#include "libxl.h"
+#include "libxl_osdeps.h"
+
+int libxl_blktap_enabled(struct libxl_ctx *ctx)
+{
+ return 0;
+}
+
+const char *libxl_blktap_devpath(struct libxl_ctx *ctx,
+ const char *disk,
+ libxl_disk_phystype phystype)
+{
+ return NULL;
+}
diff -r fcbdfb368e20 -r df9d8319bd37 tools/libxl/libxl_osdeps.h
--- a/tools/libxl/libxl_osdeps.h Wed Jul 21 16:50:15 2010 +0100
+++ b/tools/libxl/libxl_osdeps.h Fri Jul 23 16:46:59 2010 +0100
@@ -23,6 +23,8 @@
#define _GNU_SOURCE
+#include <libxl_internal.h>
+
#ifdef NEED_OWN_ASPRINTF
#include <stdarg.h>
@@ -30,4 +32,23 @@ int vasprintf(char **buffer, const char
int vasprintf(char **buffer, const char *fmt, va_list ap);
#endif /*NEED_OWN_ASPRINTF*/
+/*
+ * blktap2 support
+ */
+
+/* libxl_blktap_enabled:
+ * return true if blktap/blktap2 support is available.
+ */
+int libxl_blktap_enabled(struct libxl_ctx *ctx);
+
+/* libxl_blktap_devpath:
+ * Argument: path and disk image as specified in config file.
+ * The type specifies whether this is aio, qcow, qcow2, etc.
+ * returns device path xenstore wants to have. returns NULL
+ * if no device corresponds to the disk.
+ */
+const char *libxl_blktap_devpath(struct libxl_ctx *ctx,
+ const char *disk,
+ libxl_disk_phystype phystype);
+
#endif
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