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import hyperv-daemons-0-0.28.20180415git.el8

This commit is contained in:
CentOS Sources 2020-01-21 16:21:48 -05:00 committed by Andrew Lukoshko
commit 7aaceea549
20 changed files with 3243 additions and 0 deletions
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.gitignore vendored Normal file
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.hyperv-daemons.metadata Normal file
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SOURCES/0001-tools-hv-update-lsvmbus-to-be-compatible-with-python.patch Normal file
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From 1e2d32c6ee12b45823ba3cda0054a4bd843896fc Mon Sep 17 00:00:00 2001
From: Olaf Hering <olaf@aepfle.de>
Date: Tue, 5 Jun 2018 13:37:55 -0700
Subject: [PATCH] tools: hv: update lsvmbus to be compatible with python3
Python3 changed the way how 'print' works.
Adjust the code to a syntax that is understood by python2 and python3.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Acked-by: Dexuan Cui <decui@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
---
tools/hv/lsvmbus | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/tools/hv/lsvmbus b/tools/hv/lsvmbus
index 353e56768df8..55e7374bade0 100644
--- a/tools/hv/lsvmbus
+++ b/tools/hv/lsvmbus
@@ -17,7 +17,7 @@ if options.verbose is not None:
vmbus_sys_path = '/sys/bus/vmbus/devices'
if not os.path.isdir(vmbus_sys_path):
- print "%s doesn't exist: exiting..." % vmbus_sys_path
+ print("%s doesn't exist: exiting..." % vmbus_sys_path)
exit(-1)
vmbus_dev_dict = {
@@ -93,11 +93,11 @@ format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s'
for d in vmbus_dev_list:
if verbose == 0:
- print ('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc)
+ print(('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc))
elif verbose == 1:
- print ('VMBUS ID ' + format1) % \
- (d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)
+ print (('VMBUS ID ' + format1) % \
+ (d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping))
else:
- print ('VMBUS ID ' + format2) % \
+ print (('VMBUS ID ' + format2) % \
(d.vmbus_id, d.class_id, d.dev_desc, \
- d.device_id, d.sysfs_path, d.chn_vp_mapping)
+ d.device_id, d.sysfs_path, d.chn_vp_mapping))
--
2.14.4

10
SOURCES/0002-hv_set_ifconfig_nm_enable.patch Normal file
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--- hv_set_ifconfig.sh.orig 2018-06-11 15:57:50.000000000 +0200
+++ hv_set_ifconfig.sh 2018-09-03 09:34:57.470114502 +0200
@@ -51,7 +51,6 @@
echo "IPV6INIT=yes" >> $1
-echo "NM_CONTROLLED=no" >> $1
echo "PEERDNS=yes" >> $1
echo "ONBOOT=yes" >> $1

356
SOURCES/COPYING Normal file
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NOTE! This copyright does *not* cover user programs that use kernel
services by normal system calls - this is merely considered normal use
of the kernel, and does *not* fall under the heading of "derived work".
Also note that the GPL below is copyrighted by the Free Software
Foundation, but the instance of code that it refers to (the Linux
kernel) is copyrighted by me and others who actually wrote it.
Also note that the only valid version of the GPL as far as the kernel
is concerned is _this_ particular version of the license (ie v2, not
v2.2 or v3.x or whatever), unless explicitly otherwise stated.
Linus Torvalds
----------------------------------------
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74
SOURCES/hpvd-Set-IgnoreOnIsolate-1-in-systemd-units.patch Normal file
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@ -0,0 +1,74 @@
From 2b218c6e29ff031862c0976deb9810dfb2d79ab2 Mon Sep 17 00:00:00 2001
From: Vitaly Kuznetsov <vkuznets@redhat.com>
Date: Thu, 14 Nov 2019 12:21:46 +0100
Subject: [PATCH] Set IgnoreOnIsolate=1 in systemd units
RH-Author: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-id: <20191114122146.17009-1-vkuznets@redhat.com>
Patchwork-id: 92251
O-Subject: [RHEL8.2 hyperv-daemons PATCH] Set IgnoreOnIsolate=1 in systemd units
Bugzilla: 1769920
RH-Acked-by: Mohammed Gamal <mgamal@redhat.com>
RH-Acked-by: Eduardo Otubo <otubo@redhat.com>
RH-Acked-by: Laszlo Ersek <lersek@redhat.com>
Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=1769920
Branch: rhel-8.2.0
Brew: https://brewweb.engineering.redhat.com/brew/taskinfo?taskID=24699501
Upstream: RHEL-only (upstream doesn't ship systemd units)
Hyper-V daemons' units are udev activated: when the appropriate device
appears systemd unit is started and normal targets (e.g. multi-user.target)
don't depend on these units. With systemd it is possible to try to isolate
the target (somewhat similar to switching runlevel), this is supposed to
shut everything which the target doesn't depend on (like units started
manually) off. It seems that the general users' expectation is that
hyperv-daemons units survive the procedure.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
---
hypervfcopyd.service | 1 +
hypervkvpd.service | 1 +
hypervvssd.service | 1 +
3 files changed, 3 insertions(+)
diff --git a/hypervfcopyd.service b/hypervfcopyd.service
index fa4a0a3..dd14a97 100644
--- a/hypervfcopyd.service
+++ b/hypervfcopyd.service
@@ -1,6 +1,7 @@
[Unit]
Description=Hyper-V FCOPY daemon
BindsTo=sys-devices-virtual-misc-vmbus\x21hv_fcopy.device
+IgnoreOnIsolate=1
[Service]
ExecStart=/usr/sbin/hypervfcopyd -n
diff --git a/hypervkvpd.service b/hypervkvpd.service
index d8bfdf3..36ee11c 100644
--- a/hypervkvpd.service
+++ b/hypervkvpd.service
@@ -2,6 +2,7 @@
Description=Hyper-V KVP daemon
BindsTo=sys-devices-virtual-misc-vmbus\x21hv_kvp.device
After=network.target
+IgnoreOnIsolate=1
[Service]
Type=simple
diff --git a/hypervvssd.service b/hypervvssd.service
index 9751cb3..1e5ff43 100644
--- a/hypervvssd.service
+++ b/hypervvssd.service
@@ -1,6 +1,7 @@
[Unit]
Description=Hyper-V VSS daemon
BindsTo=sys-devices-virtual-misc-vmbus\x21hv_vss.device
+IgnoreOnIsolate=1
[Service]
ExecStart=/usr/sbin/hypervvssd -n
--
1.8.3.1

247
SOURCES/hv_fcopy_daemon.c Normal file
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@ -0,0 +1,247 @@
/*
* An implementation of host to guest copy functionality for Linux.
*
* Copyright (C) 2014, Microsoft, Inc.
*
* Author : K. Y. Srinivasan <kys@microsoft.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* 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, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*/
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <linux/hyperv.h>
#include <linux/limits.h>
#include <syslog.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <getopt.h>
static int target_fd;
static char target_fname[PATH_MAX];
static unsigned long long filesize;
static int hv_start_fcopy(struct hv_start_fcopy *smsg)
{
int error = HV_E_FAIL;
char *q, *p;
filesize = 0;
p = (char *)smsg->path_name;
snprintf(target_fname, sizeof(target_fname), "%s/%s",
(char *)smsg->path_name, (char *)smsg->file_name);
syslog(LOG_INFO, "Target file name: %s", target_fname);
/*
* Check to see if the path is already in place; if not,
* create if required.
*/
while ((q = strchr(p, '/')) != NULL) {
if (q == p) {
p++;
continue;
}
*q = '\0';
if (access((char *)smsg->path_name, F_OK)) {
if (smsg->copy_flags & CREATE_PATH) {
if (mkdir((char *)smsg->path_name, 0755)) {
syslog(LOG_ERR, "Failed to create %s",
(char *)smsg->path_name);
goto done;
}
} else {
syslog(LOG_ERR, "Invalid path: %s",
(char *)smsg->path_name);
goto done;
}
}
p = q + 1;
*q = '/';
}
if (!access(target_fname, F_OK)) {
syslog(LOG_INFO, "File: %s exists", target_fname);
if (!(smsg->copy_flags & OVER_WRITE)) {
error = HV_ERROR_ALREADY_EXISTS;
goto done;
}
}
target_fd = open(target_fname,
O_RDWR | O_CREAT | O_TRUNC | O_CLOEXEC, 0744);
if (target_fd == -1) {
syslog(LOG_INFO, "Open Failed: %s", strerror(errno));
goto done;
}
error = 0;
done:
return error;
}
static int hv_copy_data(struct hv_do_fcopy *cpmsg)
{
ssize_t bytes_written;
int ret = 0;
bytes_written = pwrite(target_fd, cpmsg->data, cpmsg->size,
cpmsg->offset);
filesize += cpmsg->size;
if (bytes_written != cpmsg->size) {
switch (errno) {
case ENOSPC:
ret = HV_ERROR_DISK_FULL;
break;
default:
ret = HV_E_FAIL;
break;
}
syslog(LOG_ERR, "pwrite failed to write %llu bytes: %ld (%s)",
filesize, (long)bytes_written, strerror(errno));
}
return ret;
}
static int hv_copy_finished(void)
{
close(target_fd);
return 0;
}
static int hv_copy_cancel(void)
{
close(target_fd);
unlink(target_fname);
return 0;
}
void print_usage(char *argv[])
{
fprintf(stderr, "Usage: %s [options]\n"
"Options are:\n"
" -n, --no-daemon stay in foreground, don't daemonize\n"
" -h, --help print this help\n", argv[0]);
}
int main(int argc, char *argv[])
{
int fcopy_fd;
int error;
int daemonize = 1, long_index = 0, opt;
int version = FCOPY_CURRENT_VERSION;
union {
struct hv_fcopy_hdr hdr;
struct hv_start_fcopy start;
struct hv_do_fcopy copy;
__u32 kernel_modver;
} buffer = { };
int in_handshake = 1;
static struct option long_options[] = {
{"help", no_argument, 0, 'h' },
{"no-daemon", no_argument, 0, 'n' },
{0, 0, 0, 0 }
};
while ((opt = getopt_long(argc, argv, "hn", long_options,
&long_index)) != -1) {
switch (opt) {
case 'n':
daemonize = 0;
break;
case 'h':
default:
print_usage(argv);
exit(EXIT_FAILURE);
}
}
if (daemonize && daemon(1, 0)) {
syslog(LOG_ERR, "daemon() failed; error: %s", strerror(errno));
exit(EXIT_FAILURE);
}
openlog("HV_FCOPY", 0, LOG_USER);
syslog(LOG_INFO, "starting; pid is:%d", getpid());
fcopy_fd = open("/dev/vmbus/hv_fcopy", O_RDWR);
if (fcopy_fd < 0) {
syslog(LOG_ERR, "open /dev/vmbus/hv_fcopy failed; error: %d %s",
errno, strerror(errno));
exit(EXIT_FAILURE);
}
/*
* Register with the kernel.
*/
if ((write(fcopy_fd, &version, sizeof(int))) != sizeof(int)) {
syslog(LOG_ERR, "Registration failed: %s", strerror(errno));
exit(EXIT_FAILURE);
}
while (1) {
/*
* In this loop we process fcopy messages after the
* handshake is complete.
*/
ssize_t len;
len = pread(fcopy_fd, &buffer, sizeof(buffer), 0);
if (len < 0) {
syslog(LOG_ERR, "pread failed: %s", strerror(errno));
exit(EXIT_FAILURE);
}
if (in_handshake) {
if (len != sizeof(buffer.kernel_modver)) {
syslog(LOG_ERR, "invalid version negotiation");
exit(EXIT_FAILURE);
}
in_handshake = 0;
syslog(LOG_INFO, "kernel module version: %u",
buffer.kernel_modver);
continue;
}
switch (buffer.hdr.operation) {
case START_FILE_COPY:
error = hv_start_fcopy(&buffer.start);
break;
case WRITE_TO_FILE:
error = hv_copy_data(&buffer.copy);
break;
case COMPLETE_FCOPY:
error = hv_copy_finished();
break;
case CANCEL_FCOPY:
error = hv_copy_cancel();
break;
default:
syslog(LOG_ERR, "Unknown operation: %d",
buffer.hdr.operation);
}
if (pwrite(fcopy_fd, &error, sizeof(int), 0) != sizeof(int)) {
syslog(LOG_ERR, "pwrite failed: %s", strerror(errno));
exit(EXIT_FAILURE);
}
}
}

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# This example script retrieves the DHCP state of a given interface.
# In the interest of keeping the KVP daemon code free of distro specific
# information; the kvp daemon code invokes this external script to gather
# DHCP setting for the specific interface.
#
# Input: Name of the interface
#
# Output: The script prints the string "Enabled" to stdout to indicate
# that DHCP is enabled on the interface. If DHCP is not enabled,
# the script prints the string "Disabled" to stdout.
#
# Each Distro is expected to implement this script in a distro specific
# fashion. For instance on Distros that ship with Network Manager enabled,
# this script can be based on the Network Manager APIs for retrieving DHCP
# information.
if_file="/etc/sysconfig/network-scripts/ifcfg-"$1
dhcp=$(grep "dhcp" $if_file 2>/dev/null)
if [ "$dhcp" != "" ];
then
echo "Enabled"
else
echo "Disabled"
fi

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#!/bin/bash
# This example script parses /etc/resolv.conf to retrive DNS information.
# In the interest of keeping the KVP daemon code free of distro specific
# information; the kvp daemon code invokes this external script to gather
# DNS information.
# This script is expected to print the nameserver values to stdout.
# Each Distro is expected to implement this script in a distro specific
# fashion. For instance on Distros that ship with Network Manager enabled,
# this script can be based on the Network Manager APIs for retrieving DNS
# entries.
cat /etc/resolv.conf 2>/dev/null | awk '/^nameserver/ { print $2 }'

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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# This example script activates an interface based on the specified
# configuration.
#
# In the interest of keeping the KVP daemon code free of distro specific
# information; the kvp daemon code invokes this external script to configure
# the interface.
#
# The only argument to this script is the configuration file that is to
# be used to configure the interface.
#
# Each Distro is expected to implement this script in a distro specific
# fashion. For instance on Distros that ship with Network Manager enabled,
# this script can be based on the Network Manager APIs for configuring the
# interface.
#
# This example script is based on a RHEL environment.
#
# Here is the format of the ip configuration file:
#
# HWADDR=macaddr
# DEVICE=interface name
# BOOTPROTO=<protocol> (where <protocol> is "dhcp" if DHCP is configured
# or "none" if no boot-time protocol should be used)
#
# IPADDR0=ipaddr1
# IPADDR1=ipaddr2
# IPADDRx=ipaddry (where y = x + 1)
#
# NETMASK0=netmask1
# NETMASKx=netmasky (where y = x + 1)
#
# GATEWAY=ipaddr1
# GATEWAYx=ipaddry (where y = x + 1)
#
# DNSx=ipaddrx (where first DNS address is tagged as DNS1 etc)
#
# IPV6 addresses will be tagged as IPV6ADDR, IPV6 gateway will be
# tagged as IPV6_DEFAULTGW and IPV6 NETMASK will be tagged as
# IPV6NETMASK.
#
# The host can specify multiple ipv4 and ipv6 addresses to be
# configured for the interface. Furthermore, the configuration
# needs to be persistent. A subsequent GET call on the interface
# is expected to return the configuration that is set via the SET
# call.
#
echo "IPV6INIT=yes" >> $1
echo "NM_CONTROLLED=no" >> $1
echo "PEERDNS=yes" >> $1
echo "ONBOOT=yes" >> $1
cp $1 /etc/sysconfig/network-scripts/
interface=$(echo $1 | awk -F - '{ print $2 }')
/sbin/ifdown $interface 2>/dev/null
/sbin/ifup $interface 2>/dev/null

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/*
* An implementation of the host initiated guest snapshot for Hyper-V.
*
*
* Copyright (C) 2013, Microsoft, Inc.
* Author : K. Y. Srinivasan <kys@microsoft.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* 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, GOOD TITLE or
* NON INFRINGEMENT. See the GNU General Public License for more
* details.
*
*/
#include <sys/types.h>
#include <sys/poll.h>
#include <sys/ioctl.h>
#include <sys/stat.h>
#include <sys/sysmacros.h>
#include <fcntl.h>
#include <stdio.h>
#include <mntent.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <errno.h>
#include <linux/fs.h>
#include <linux/major.h>
#include <linux/hyperv.h>
#include <syslog.h>
#include <getopt.h>
/* Don't use syslog() in the function since that can cause write to disk */
static int vss_do_freeze(char *dir, unsigned int cmd)
{
int ret, fd = open(dir, O_RDONLY);
if (fd < 0)
return 1;
ret = ioctl(fd, cmd, 0);
/*
* If a partition is mounted more than once, only the first
* FREEZE/THAW can succeed and the later ones will get
* EBUSY/EINVAL respectively: there could be 2 cases:
* 1) a user may mount the same partition to differnt directories
* by mistake or on purpose;
* 2) The subvolume of btrfs appears to have the same partition
* mounted more than once.
*/
if (ret) {
if ((cmd == FIFREEZE && errno == EBUSY) ||
(cmd == FITHAW && errno == EINVAL)) {
close(fd);
return 0;
}
}
close(fd);
return !!ret;
}
static int vss_operate(int operation)
{
char match[] = "/dev/";
FILE *mounts;
struct mntent *ent;
struct stat sb;
char errdir[1024] = {0};
unsigned int cmd;
int error = 0, root_seen = 0, save_errno = 0;
switch (operation) {
case VSS_OP_FREEZE:
cmd = FIFREEZE;
break;
case VSS_OP_THAW:
cmd = FITHAW;
break;
default:
return -1;
}
mounts = setmntent("/proc/mounts", "r");
if (mounts == NULL)
return -1;
while ((ent = getmntent(mounts))) {
if (strncmp(ent->mnt_fsname, match, strlen(match)))
continue;
if (stat(ent->mnt_fsname, &sb) == -1)
continue;
if (S_ISBLK(sb.st_mode) && major(sb.st_rdev) == LOOP_MAJOR)
continue;
if (hasmntopt(ent, MNTOPT_RO) != NULL)
continue;
if (strcmp(ent->mnt_type, "vfat") == 0)
continue;
if (strcmp(ent->mnt_dir, "/") == 0) {
root_seen = 1;
continue;
}
error |= vss_do_freeze(ent->mnt_dir, cmd);
if (error && operation == VSS_OP_FREEZE)
goto err;
}
endmntent(mounts);
if (root_seen) {
error |= vss_do_freeze("/", cmd);
if (error && operation == VSS_OP_FREEZE)
goto err;
}
goto out;
err:
save_errno = errno;
if (ent) {
strncpy(errdir, ent->mnt_dir, sizeof(errdir)-1);
endmntent(mounts);
}
vss_operate(VSS_OP_THAW);
/* Call syslog after we thaw all filesystems */
if (ent)
syslog(LOG_ERR, "FREEZE of %s failed; error:%d %s",
errdir, save_errno, strerror(save_errno));
else
syslog(LOG_ERR, "FREEZE of / failed; error:%d %s", save_errno,
strerror(save_errno));
out:
return error;
}
void print_usage(char *argv[])
{
fprintf(stderr, "Usage: %s [options]\n"
"Options are:\n"
" -n, --no-daemon stay in foreground, don't daemonize\n"
" -h, --help print this help\n", argv[0]);
}
int main(int argc, char *argv[])
{
int vss_fd, len;
int error;
struct pollfd pfd;
int op;
struct hv_vss_msg vss_msg[1];
int daemonize = 1, long_index = 0, opt;
int in_handshake = 1;
__u32 kernel_modver;
static struct option long_options[] = {
{"help", no_argument, 0, 'h' },
{"no-daemon", no_argument, 0, 'n' },
{0, 0, 0, 0 }
};
while ((opt = getopt_long(argc, argv, "hn", long_options,
&long_index)) != -1) {
switch (opt) {
case 'n':
daemonize = 0;
break;
case 'h':
default:
print_usage(argv);
exit(EXIT_FAILURE);
}
}
if (daemonize && daemon(1, 0))
return 1;
openlog("Hyper-V VSS", 0, LOG_USER);
syslog(LOG_INFO, "VSS starting; pid is:%d", getpid());
vss_fd = open("/dev/vmbus/hv_vss", O_RDWR);
if (vss_fd < 0) {
syslog(LOG_ERR, "open /dev/vmbus/hv_vss failed; error: %d %s",
errno, strerror(errno));
exit(EXIT_FAILURE);
}
/*
* Register ourselves with the kernel.
*/
vss_msg->vss_hdr.operation = VSS_OP_REGISTER1;
len = write(vss_fd, vss_msg, sizeof(struct hv_vss_msg));
if (len < 0) {
syslog(LOG_ERR, "registration to kernel failed; error: %d %s",
errno, strerror(errno));
close(vss_fd);
exit(EXIT_FAILURE);
}
pfd.fd = vss_fd;
while (1) {
pfd.events = POLLIN;
pfd.revents = 0;
if (poll(&pfd, 1, -1) < 0) {
syslog(LOG_ERR, "poll failed; error:%d %s", errno, strerror(errno));
if (errno == EINVAL) {
close(vss_fd);
exit(EXIT_FAILURE);
}
else
continue;
}
len = read(vss_fd, vss_msg, sizeof(struct hv_vss_msg));
if (in_handshake) {
if (len != sizeof(kernel_modver)) {
syslog(LOG_ERR, "invalid version negotiation");
exit(EXIT_FAILURE);
}
kernel_modver = *(__u32 *)vss_msg;
in_handshake = 0;
syslog(LOG_INFO, "VSS: kernel module version: %d",
kernel_modver);
continue;
}
if (len != sizeof(struct hv_vss_msg)) {
syslog(LOG_ERR, "read failed; error:%d %s",
errno, strerror(errno));
close(vss_fd);
return EXIT_FAILURE;
}
op = vss_msg->vss_hdr.operation;
error = HV_S_OK;
switch (op) {
case VSS_OP_FREEZE:
case VSS_OP_THAW:
error = vss_operate(op);
syslog(LOG_INFO, "VSS: op=%s: %s\n",
op == VSS_OP_FREEZE ? "FREEZE" : "THAW",
error ? "failed" : "succeeded");
if (error) {
error = HV_E_FAIL;
syslog(LOG_ERR, "op=%d failed!", op);
syslog(LOG_ERR, "report it with these files:");
syslog(LOG_ERR, "/etc/fstab and /proc/mounts");
}
break;
case VSS_OP_HOT_BACKUP:
syslog(LOG_INFO, "VSS: op=CHECK HOT BACKUP\n");
break;
default:
syslog(LOG_ERR, "Illegal op:%d\n", op);
}
vss_msg->error = error;
len = write(vss_fd, vss_msg, sizeof(struct hv_vss_msg));
if (len != sizeof(struct hv_vss_msg)) {
syslog(LOG_ERR, "write failed; error: %d %s", errno,
strerror(errno));
if (op == VSS_OP_FREEZE)
vss_operate(VSS_OP_THAW);
}
}
close(vss_fd);
exit(0);
}

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SUBSYSTEM=="misc", KERNEL=="vmbus/hv_fcopy", TAG+="systemd", ENV{SYSTEMD_WANTS}+="hypervfcopyd.service"

6
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[Unit]
Description=Hyper-V FCOPY daemon
BindsTo=sys-devices-virtual-misc-vmbus\x21hv_fcopy.device
[Service]
ExecStart=/usr/sbin/hypervfcopyd -n

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SUBSYSTEM=="misc", KERNEL=="vmbus/hv_kvp", TAG+="systemd", ENV{SYSTEMD_WANTS}+="hypervkvpd.service"

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[Unit]
Description=Hyper-V KVP daemon
BindsTo=sys-devices-virtual-misc-vmbus\x21hv_kvp.device
After=network.target
[Service]
Type=simple
ExecStart=/usr/sbin/hypervkvpd -n

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SUBSYSTEM=="misc", KERNEL=="vmbus/hv_vss", TAG+="systemd", ENV{SYSTEMD_WANTS}+="hypervvssd.service"

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[Unit]
Description=Hyper-V VSS daemon
BindsTo=sys-devices-virtual-misc-vmbus\x21hv_vss.device
[Service]
ExecStart=/usr/sbin/hypervvssd -n

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#!/usr/bin/env python
# SPDX-License-Identifier: GPL-2.0
import os
from optparse import OptionParser
parser = OptionParser()
parser.add_option("-v", "--verbose", dest="verbose",
help="print verbose messages. Try -vv, -vvv for \
more verbose messages", action="count")
(options, args) = parser.parse_args()
verbose = 0
if options.verbose is not None:
verbose = options.verbose
vmbus_sys_path = '/sys/bus/vmbus/devices'
if not os.path.isdir(vmbus_sys_path):
print "%s doesn't exist: exiting..." % vmbus_sys_path
exit(-1)
vmbus_dev_dict = {
'{0e0b6031-5213-4934-818b-38d90ced39db}' : '[Operating system shutdown]',
'{9527e630-d0ae-497b-adce-e80ab0175caf}' : '[Time Synchronization]',
'{57164f39-9115-4e78-ab55-382f3bd5422d}' : '[Heartbeat]',
'{a9a0f4e7-5a45-4d96-b827-8a841e8c03e6}' : '[Data Exchange]',
'{35fa2e29-ea23-4236-96ae-3a6ebacba440}' : '[Backup (volume checkpoint)]',
'{34d14be3-dee4-41c8-9ae7-6b174977c192}' : '[Guest services]',
'{525074dc-8985-46e2-8057-a307dc18a502}' : '[Dynamic Memory]',
'{cfa8b69e-5b4a-4cc0-b98b-8ba1a1f3f95a}' : 'Synthetic mouse',
'{f912ad6d-2b17-48ea-bd65-f927a61c7684}' : 'Synthetic keyboard',
'{da0a7802-e377-4aac-8e77-0558eb1073f8}' : 'Synthetic framebuffer adapter',
'{f8615163-df3e-46c5-913f-f2d2f965ed0e}' : 'Synthetic network adapter',
'{32412632-86cb-44a2-9b5c-50d1417354f5}' : 'Synthetic IDE Controller',
'{ba6163d9-04a1-4d29-b605-72e2ffb1dc7f}' : 'Synthetic SCSI Controller',
'{2f9bcc4a-0069-4af3-b76b-6fd0be528cda}' : 'Synthetic fiber channel adapter',
'{8c2eaf3d-32a7-4b09-ab99-bd1f1c86b501}' : 'Synthetic RDMA adapter',
'{44c4f61d-4444-4400-9d52-802e27ede19f}' : 'PCI Express pass-through',
'{276aacf4-ac15-426c-98dd-7521ad3f01fe}' : '[Reserved system device]',
'{f8e65716-3cb3-4a06-9a60-1889c5cccab5}' : '[Reserved system device]',
'{3375baf4-9e15-4b30-b765-67acb10d607b}' : '[Reserved system device]',
}
def get_vmbus_dev_attr(dev_name, attr):
try:
f = open('%s/%s/%s' % (vmbus_sys_path, dev_name, attr), 'r')
lines = f.readlines()
f.close()
except IOError:
lines = []
return lines
class VMBus_Dev:
pass
vmbus_dev_list = []
for f in os.listdir(vmbus_sys_path):
vmbus_id = get_vmbus_dev_attr(f, 'id')[0].strip()
class_id = get_vmbus_dev_attr(f, 'class_id')[0].strip()
device_id = get_vmbus_dev_attr(f, 'device_id')[0].strip()
dev_desc = vmbus_dev_dict.get(class_id, 'Unknown')
chn_vp_mapping = get_vmbus_dev_attr(f, 'channel_vp_mapping')
chn_vp_mapping = [c.strip() for c in chn_vp_mapping]
chn_vp_mapping = sorted(chn_vp_mapping,
key = lambda c : int(c.split(':')[0]))
chn_vp_mapping = ['\tRel_ID=%s, target_cpu=%s' %
(c.split(':')[0], c.split(':')[1])
for c in chn_vp_mapping]
d = VMBus_Dev()
d.sysfs_path = '%s/%s' % (vmbus_sys_path, f)
d.vmbus_id = vmbus_id
d.class_id = class_id
d.device_id = device_id
d.dev_desc = dev_desc
d.chn_vp_mapping = '\n'.join(chn_vp_mapping)
if d.chn_vp_mapping:
d.chn_vp_mapping += '\n'
vmbus_dev_list.append(d)
vmbus_dev_list = sorted(vmbus_dev_list, key = lambda d : int(d.vmbus_id))
format0 = '%2s: %s'
format1 = '%2s: Class_ID = %s - %s\n%s'
format2 = '%2s: Class_ID = %s - %s\n\tDevice_ID = %s\n\tSysfs path: %s\n%s'
for d in vmbus_dev_list:
if verbose == 0:
print ('VMBUS ID ' + format0) % (d.vmbus_id, d.dev_desc)
elif verbose == 1:
print ('VMBUS ID ' + format1) % \
(d.vmbus_id, d.class_id, d.dev_desc, d.chn_vp_mapping)
else:
print ('VMBUS ID ' + format2) % \
(d.vmbus_id, d.class_id, d.dev_desc, \
d.device_id, d.sysfs_path, d.chn_vp_mapping)

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# Hyper-V KVP daemon binary name
%global hv_kvp_daemon hypervkvpd
# Hyper-V VSS daemon binary name
%global hv_vss_daemon hypervvssd
# Hyper-V FCOPY daemon binary name
%global hv_fcopy_daemon hypervfcopyd
# snapshot version
%global snapver .20180415git
# use hardened build
%global _hardened_build 1
# udev rules prefix
%global udev_prefix 70
Name: hyperv-daemons
Version: 0
Release: 0.28%{?snapver}%{?dist}
Summary: Hyper-V daemons suite
Group: System Environment/Daemons
License: GPLv2
URL: http://www.kernel.org
# Source files obtained from kernel upstream 4.17-rc1 (60cc43fc888428bb2f18f08997432d426a243338)
# git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
Source0: COPYING
# HYPERV KVP DAEMON
Source1: hv_kvp_daemon.c
Source2: hv_get_dhcp_info.sh
Source3: hv_get_dns_info.sh
Source4: hv_set_ifconfig.sh
Source5: hypervkvpd.service
Source6: hypervkvp.rules
# HYPERV VSS DAEMON
Source100: hv_vss_daemon.c
Source101: hypervvssd.service
Source102: hypervvss.rules
# HYPERV FCOPY DAEMON
Source200: hv_fcopy_daemon.c
Source201: hypervfcopyd.service
Source202: hypervfcopy.rules
# HYPERV TOOLS
Source301: lsvmbus
# Make lsvmbus Python3 compatible
Patch0: 0001-tools-hv-update-lsvmbus-to-be-compatible-with-python.patch
# Do not set NM_CONTROLED=no
Patch1: 0002-hv_set_ifconfig_nm_enable.patch
# For bz#1769920 - [Hyper-V][RHEL8] Running 'systemctl isolate' on any target stops hyperv-daemon services
Patch2: hpvd-Set-IgnoreOnIsolate-1-in-systemd-units.patch
# Hyper-V is available only on x86 architectures
# The base empty (a.k.a. virtual) package can not be noarch
# due to http://www.rpm.org/ticket/78
ExclusiveArch: i686 x86_64
Requires: hypervkvpd = %{version}-%{release}
Requires: hypervvssd = %{version}-%{release}
Requires: hypervfcopyd = %{version}-%{release}
BuildRequires: gcc
%description
Suite of daemons that are needed when Linux guest
is running on Windows Host with Hyper-V.
%package -n hypervkvpd
Summary: Hyper-V key value pair (KVP) daemon
Group: System Environment/Daemons
Requires: %{name}-license = %{version}-%{release}
BuildRequires: systemd, kernel-headers
Requires(post): systemd
Requires(preun): systemd
Requires(postun): systemd
%description -n hypervkvpd
Hypervkvpd is an implementation of Hyper-V key value pair (KVP)
functionality for Linux. The daemon first registers with the
kernel driver. After this is done it collects information
requested by Windows Host about the Linux Guest. It also supports
IP injection functionality on the Guest.
%package -n hypervvssd
Summary: Hyper-V VSS daemon
Group: System Environment/Daemons
Requires: %{name}-license = %{version}-%{release}
BuildRequires: systemd, kernel-headers
Requires(post): systemd
Requires(preun): systemd
Requires(postun): systemd
%description -n hypervvssd
Hypervvssd is an implementation of Hyper-V VSS functionality
for Linux. The daemon is used for host initiated guest snapshot
on Hyper-V hypervisor. The daemon first registers with the
kernel driver. After this is done it waits for instructions
from Windows Host if to "freeze" or "thaw" the filesystem
on the Linux Guest.
%package -n hypervfcopyd
Summary: Hyper-V FCOPY daemon
Group: System Environment/Daemons
Requires: %{name}-license = %{version}-%{release}
BuildRequires: systemd, kernel-headers
Requires(post): systemd
Requires(preun): systemd
Requires(postun): systemd
%description -n hypervfcopyd
Hypervfcopyd is an implementation of file copy service functionality
for Linux Guest running on Hyper-V. The daemon enables host to copy
a file (over VMBUS) into the Linux Guest. The daemon first registers
with the kernel driver. After this is done it waits for instructions
from Windows Host.
%package license
Summary: License of the Hyper-V daemons suite
Group: Applications/System
BuildArch: noarch
%description license
Contains license of the Hyper-V daemons suite.
%package -n hyperv-tools
Summary: Tools for Hyper-V guests
Group: Applications/System
BuildArch: noarch
%description -n hyperv-tools
Contains tools and scripts useful for Hyper-V guests.
%prep
%setup -Tc
cp -pvL %{SOURCE0} COPYING
cp -pvL %{SOURCE1} hv_kvp_daemon.c
cp -pvL %{SOURCE2} hv_get_dhcp_info.sh
cp -pvL %{SOURCE3} hv_get_dns_info.sh
cp -pvL %{SOURCE4} hv_set_ifconfig.sh
cp -pvL %{SOURCE5} hypervkvpd.service
cp -pvL %{SOURCE6} hypervkvp.rules
cp -pvL %{SOURCE100} hv_vss_daemon.c
cp -pvL %{SOURCE101} hypervvssd.service
cp -pvL %{SOURCE102} hypervvss.rules
cp -pvL %{SOURCE200} hv_fcopy_daemon.c
cp -pvL %{SOURCE201} hypervfcopyd.service
cp -pvL %{SOURCE202} hypervfcopy.rules
cp -pvL %{SOURCE301} lsvmbus
%patch0 -p3 -b .lsvmbus_python3
cp -pvL %{SOURCE4} hv_set_ifconfig.sh
%patch1 -p0 -b .hv_set_ifconfig_nm_enable
%patch2 -p1
%build
# HYPERV KVP DAEMON
gcc $RPM_OPT_FLAGS -c hv_kvp_daemon.c
gcc $RPM_LD_FLAGS hv_kvp_daemon.o -o %{hv_kvp_daemon}
# HYPERV VSS DAEMON
gcc $RPM_OPT_FLAGS -c hv_vss_daemon.c
gcc $RPM_LD_FLAGS hv_vss_daemon.o -o %{hv_vss_daemon}
# HYPERV FCOPY DAEMON
gcc $RPM_OPT_FLAGS -c hv_fcopy_daemon.c
gcc $RPM_LD_FLAGS hv_fcopy_daemon.o -o %{hv_fcopy_daemon}
%install
rm -rf %{buildroot}
mkdir -p %{buildroot}%{_sbindir}
install -p -m 0755 %{hv_kvp_daemon} %{buildroot}%{_sbindir}
install -p -m 0755 %{hv_vss_daemon} %{buildroot}%{_sbindir}
install -p -m 0755 %{hv_fcopy_daemon} %{buildroot}%{_sbindir}
# Systemd unit file
mkdir -p %{buildroot}%{_unitdir}
install -p -m 0644 hypervkvpd.service %{buildroot}%{_unitdir}
install -p -m 0644 hypervvssd.service %{buildroot}%{_unitdir}
install -p -m 0644 hypervfcopyd.service %{buildroot}%{_unitdir}
# Udev rules
mkdir -p %{buildroot}%{_udevrulesdir}
install -p -m 0644 hypervkvp.rules %{buildroot}%{_udevrulesdir}/%{udev_prefix}-hypervkvp.rules
install -p -m 0644 hypervvss.rules %{buildroot}%{_udevrulesdir}/%{udev_prefix}-hypervvss.rules
install -p -m 0644 hypervfcopy.rules %{buildroot}%{_udevrulesdir}/%{udev_prefix}-hypervfcopy.rules
# Shell scripts for the KVP daemon
mkdir -p %{buildroot}%{_libexecdir}/%{hv_kvp_daemon}
install -p -m 0755 hv_get_dhcp_info.sh %{buildroot}%{_libexecdir}/%{hv_kvp_daemon}/hv_get_dhcp_info
install -p -m 0755 hv_get_dns_info.sh %{buildroot}%{_libexecdir}/%{hv_kvp_daemon}/hv_get_dns_info
install -p -m 0755 hv_set_ifconfig.sh %{buildroot}%{_libexecdir}/%{hv_kvp_daemon}/hv_set_ifconfig
# Directory for pool files
mkdir -p %{buildroot}%{_sharedstatedir}/hyperv
# Tools
install -p -m 0755 lsvmbus %{buildroot}%{_sbindir}/
sed -i 's,#!/usr/bin/env python,#!%{__python3},' %{buildroot}%{_sbindir}/lsvmbus
%post -n hypervkvpd
if [ $1 -gt 1 ] ; then
# Upgrade
systemctl --no-reload disable hypervkvpd.service >/dev/null 2>&1 || :
fi
%preun -n hypervkvpd
%systemd_preun hypervkvpd.service
%postun -n hypervkvpd
# hypervkvpd daemon does NOT support restarting (driver, neither)
%systemd_postun hypervkvpd.service
# If removing the package, delete %%{_sharedstatedir}/hyperv directory
if [ "$1" -eq "0" ] ; then
rm -rf %{_sharedstatedir}/hyperv || :
fi
%post -n hypervvssd
if [ $1 -gt 1 ] ; then
# Upgrade
systemctl --no-reload disable hypervvssd.service >/dev/null 2>&1 || :
fi
%postun -n hypervvssd
%systemd_postun hypervvssd.service
%preun -n hypervvssd
%systemd_preun hypervvssd.service
%post -n hypervfcopyd
if [ $1 -gt 1 ] ; then
# Upgrade
systemctl --no-reload disable hypervfcopyd.service >/dev/null 2>&1 || :
fi
%postun -n hypervfcopyd
%systemd_postun hypervfcopyd.service
%preun -n hypervfcopyd
%systemd_preun hypervfcopyd.service
%files
# the base package does not contain any files.
%files -n hypervkvpd
%{_sbindir}/%{hv_kvp_daemon}
%{_unitdir}/hypervkvpd.service
%{_udevrulesdir}/%{udev_prefix}-hypervkvp.rules
%dir %{_libexecdir}/%{hv_kvp_daemon}
%{_libexecdir}/%{hv_kvp_daemon}/*
%dir %{_sharedstatedir}/hyperv
%files -n hypervvssd
%{_sbindir}/%{hv_vss_daemon}
%{_unitdir}/hypervvssd.service
%{_udevrulesdir}/%{udev_prefix}-hypervvss.rules
%files -n hypervfcopyd
%{_sbindir}/%{hv_fcopy_daemon}
%{_unitdir}/hypervfcopyd.service
%{_udevrulesdir}/%{udev_prefix}-hypervfcopy.rules
%files license
%doc COPYING
%files -n hyperv-tools
%{_sbindir}/lsvmbus
%changelog
* Tue Nov 19 2019 Miroslav Rezanina <mrezanin@redhat.com> - 0-0.28.20180415git.el8
- hpvd-Set-IgnoreOnIsolate-1-in-systemd-units.patch [bz#1769920]
- Resolves: bz#1769920
([Hyper-V][RHEL8] Running 'systemctl isolate' on any target stops hyperv-daemon services)
* Mon Sep 03 2018 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.27.20180415git
- Do not set NM_CONTROLLED=no (#1624355)
* Wed Aug 01 2018 Charalampos Stratakis <cstratak@redhat.com> - 0-0.26.20180415git
- Fix python shebangs
* Mon Jun 11 2018 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.25.20180415git
- Switch lsvmbus to Python3
* Thu Apr 26 2018 Tomas Hozza <thozza@redhat.com> - 0-0.24.20180415git
- Added gcc as an explicit BuildRequires
* Thu Apr 19 2018 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.23.20180415git
- Rebase to 4.17-rc1
* Wed Feb 07 2018 Fedora Release Engineering <releng@fedoraproject.org> - 0-0.22.20170105git
- Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
* Mon Dec 11 2017 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.21.20170105git
- Rebase to 4.15-rc2, drop fedora patches as changes are upstream
- Start kvpd after network.target
* Wed Aug 02 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0-0.20.20170105git
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Binutils_Mass_Rebuild
* Wed Jul 26 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0-0.19.20170105git
- Rebuilt for https://fedoraproject.org/wiki/Fedora_27_Mass_Rebuild
* Fri Feb 10 2017 Fedora Release Engineering <releng@fedoraproject.org> - 0-0.18.20170105git
- Rebuilt for https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
* Wed Jan 11 2017 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.17.20160728git
- Use '-gt' instead of '>' to do the right comparison (#1412033)
* Thu Jan 05 2017 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.16.20160728git
- Rebase to 4.9
- hyperv-tools subpackage added
* Thu Jul 28 2016 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.15.20160728git
- Rebase to 4.8-rc0 (20160728 git snapshot)
- Disable services and remove ConditionVirtualization, multi-user.target
dependencies switching to udev-only activation (#1331577)
* Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 0-0.14.20150702git
- Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild
* Wed Nov 18 2015 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.13.20150702git
- Add udev rules to properly restart services (#1195029)
- Spec cleanup
* Thu Jul 02 2015 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.12.20150702git
- Rebase to 4.2-rc0 (20150702 git snapshot)
- Switch to new chardev-based communication layer (#1195029)
* Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0-0.11.20150108git
- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
* Thu Jan 08 2015 Vitaly Kuznetsov <vkuznets@redhat.com> - 0-0.10.20150108git
- Rebase to 3.19-rc3 (20150108 git snapshot)
- Drop 'nodaemon' patches, use newly introduced '-n' option
* Sat Aug 16 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0-0.9.20140714git
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_22_Mass_Rebuild
* Mon Jul 14 2014 Tomas Hozza <thozza@redhat.com> - 0-0.8.20140714git
- Update the File copy daemon to the latest git snapshot
- Fix hyperfcopyd.service to check for /dev/vmbus/hv_fcopy
* Wed Jun 11 2014 Tomas Hozza <thozza@redhat.com> - 0-0.7.20140611git
- Fix FTBFS (#1106781)
- Use kernel-headers instead of kernel-devel for building
- package new Hyper-V fcopy daemon as hypervfcopyd sub-package
* Sat Jun 07 2014 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 0-0.6.20140219git
- Rebuilt for https://fedoraproject.org/wiki/Fedora_21_Mass_Rebuild
* Wed Feb 19 2014 Tomas Hozza <thozza@redhat.com> - 0-0.5.20140219git
- rebase to the latest git snapshot next-20140219
- KVP, VSS: removed inclusion of linux/types.h
- VSS: Ignore VFAT mounts during freeze operation
* Fri Jan 10 2014 Tomas Hozza <thozza@redhat.com> - 0-0.4.20131022git
- provide 'hyperv-daemons' package for convenient installation of all daemons
* Tue Oct 22 2013 Tomas Hozza <thozza@redhat.com> - 0-0.3.20131022git
- rebase to the latest git snapshot next-20130927 (obtained 2013-10-22)
- KVP, VSS: daemon use single buffer for send/recv
- KVP: FQDN is obtained on start and cached
* Fri Sep 20 2013 Tomas Hozza <thozza@redhat.com> - 0-0.2.20130826git
- Use 'hypervkvpd' directory in libexec for KVP daemon scripts (#1010268)
- daemons are now WantedBy multi-user.target instead of basic.target (#1010260)
* Mon Aug 26 2013 Tomas Hozza <thozza@redhat.com> - 0-0.1.20130826git
- Initial package