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-rw-r--r--kernel/tools/hv/hv_fcopy_daemon.c15
-rw-r--r--kernel/tools/hv/hv_kvp_daemon.c166
-rw-r--r--kernel/tools/hv/hv_vss_daemon.c149
-rw-r--r--kernel/tools/hv/lsvmbus101
4 files changed, 184 insertions, 247 deletions
diff --git a/kernel/tools/hv/hv_fcopy_daemon.c b/kernel/tools/hv/hv_fcopy_daemon.c
index 9445d8f26..5480e4e42 100644
--- a/kernel/tools/hv/hv_fcopy_daemon.c
+++ b/kernel/tools/hv/hv_fcopy_daemon.c
@@ -137,6 +137,8 @@ int main(int argc, char *argv[])
int version = FCOPY_CURRENT_VERSION;
char *buffer[4096 * 2];
struct hv_fcopy_hdr *in_msg;
+ int in_handshake = 1;
+ __u32 kernel_modver;
static struct option long_options[] = {
{"help", no_argument, 0, 'h' },
@@ -191,6 +193,19 @@ int main(int argc, char *argv[])
syslog(LOG_ERR, "pread failed: %s", strerror(errno));
exit(EXIT_FAILURE);
}
+
+ if (in_handshake) {
+ if (len != sizeof(kernel_modver)) {
+ syslog(LOG_ERR, "invalid version negotiation");
+ exit(EXIT_FAILURE);
+ }
+ kernel_modver = *(__u32 *)buffer;
+ in_handshake = 0;
+ syslog(LOG_INFO, "HV_FCOPY: kernel module version: %d",
+ kernel_modver);
+ continue;
+ }
+
in_msg = (struct hv_fcopy_hdr *)buffer;
switch (in_msg->operation) {
diff --git a/kernel/tools/hv/hv_kvp_daemon.c b/kernel/tools/hv/hv_kvp_daemon.c
index 408bb076a..0d9f48ec4 100644
--- a/kernel/tools/hv/hv_kvp_daemon.c
+++ b/kernel/tools/hv/hv_kvp_daemon.c
@@ -33,7 +33,6 @@
#include <ctype.h>
#include <errno.h>
#include <arpa/inet.h>
-#include <linux/connector.h>
#include <linux/hyperv.h>
#include <linux/netlink.h>
#include <ifaddrs.h>
@@ -79,7 +78,6 @@ enum {
DNS
};
-static struct sockaddr_nl addr;
static int in_hand_shake = 1;
static char *os_name = "";
@@ -1387,34 +1385,6 @@ kvp_get_domain_name(char *buffer, int length)
freeaddrinfo(info);
}
-static int
-netlink_send(int fd, struct cn_msg *msg)
-{
- struct nlmsghdr nlh = { .nlmsg_type = NLMSG_DONE };
- unsigned int size;
- struct msghdr message;
- struct iovec iov[2];
-
- size = sizeof(struct cn_msg) + msg->len;
-
- nlh.nlmsg_pid = getpid();
- nlh.nlmsg_len = NLMSG_LENGTH(size);
-
- iov[0].iov_base = &nlh;
- iov[0].iov_len = sizeof(nlh);
-
- iov[1].iov_base = msg;
- iov[1].iov_len = size;
-
- memset(&message, 0, sizeof(message));
- message.msg_name = &addr;
- message.msg_namelen = sizeof(addr);
- message.msg_iov = iov;
- message.msg_iovlen = 2;
-
- return sendmsg(fd, &message, 0);
-}
-
void print_usage(char *argv[])
{
fprintf(stderr, "Usage: %s [options]\n"
@@ -1425,22 +1395,17 @@ void print_usage(char *argv[])
int main(int argc, char *argv[])
{
- int fd, len, nl_group;
+ int kvp_fd, len;
int error;
- struct cn_msg *message;
struct pollfd pfd;
- struct nlmsghdr *incoming_msg;
- struct cn_msg *incoming_cn_msg;
- struct hv_kvp_msg *hv_msg;
- char *p;
+ char *p;
+ struct hv_kvp_msg hv_msg[1];
char *key_value;
char *key_name;
int op;
int pool;
char *if_name;
struct hv_kvp_ipaddr_value *kvp_ip_val;
- char *kvp_recv_buffer;
- size_t kvp_recv_buffer_len;
int daemonize = 1, long_index = 0, opt;
static struct option long_options[] = {
@@ -1468,12 +1433,14 @@ int main(int argc, char *argv[])
openlog("KVP", 0, LOG_USER);
syslog(LOG_INFO, "KVP starting; pid is:%d", getpid());
- kvp_recv_buffer_len = NLMSG_LENGTH(0) + sizeof(struct cn_msg) + sizeof(struct hv_kvp_msg);
- kvp_recv_buffer = calloc(1, kvp_recv_buffer_len);
- if (!kvp_recv_buffer) {
- syslog(LOG_ERR, "Failed to allocate netlink buffer");
+ kvp_fd = open("/dev/vmbus/hv_kvp", O_RDWR);
+
+ if (kvp_fd < 0) {
+ syslog(LOG_ERR, "open /dev/vmbus/hv_kvp failed; error: %d %s",
+ errno, strerror(errno));
exit(EXIT_FAILURE);
}
+
/*
* Retrieve OS release information.
*/
@@ -1489,100 +1456,44 @@ int main(int argc, char *argv[])
exit(EXIT_FAILURE);
}
- fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
- if (fd < 0) {
- syslog(LOG_ERR, "netlink socket creation failed; error: %d %s", errno,
- strerror(errno));
- exit(EXIT_FAILURE);
- }
- addr.nl_family = AF_NETLINK;
- addr.nl_pad = 0;
- addr.nl_pid = 0;
- addr.nl_groups = 0;
-
-
- error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
- if (error < 0) {
- syslog(LOG_ERR, "bind failed; error: %d %s", errno, strerror(errno));
- close(fd);
- exit(EXIT_FAILURE);
- }
- nl_group = CN_KVP_IDX;
-
- if (setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &nl_group, sizeof(nl_group)) < 0) {
- syslog(LOG_ERR, "setsockopt failed; error: %d %s", errno, strerror(errno));
- close(fd);
- exit(EXIT_FAILURE);
- }
-
/*
* Register ourselves with the kernel.
*/
- message = (struct cn_msg *)kvp_recv_buffer;
- message->id.idx = CN_KVP_IDX;
- message->id.val = CN_KVP_VAL;
-
- hv_msg = (struct hv_kvp_msg *)message->data;
hv_msg->kvp_hdr.operation = KVP_OP_REGISTER1;
- message->ack = 0;
- message->len = sizeof(struct hv_kvp_msg);
-
- len = netlink_send(fd, message);
- if (len < 0) {
- syslog(LOG_ERR, "netlink_send failed; error: %d %s", errno, strerror(errno));
- close(fd);
+ len = write(kvp_fd, hv_msg, sizeof(struct hv_kvp_msg));
+ if (len != sizeof(struct hv_kvp_msg)) {
+ syslog(LOG_ERR, "registration to kernel failed; error: %d %s",
+ errno, strerror(errno));
+ close(kvp_fd);
exit(EXIT_FAILURE);
}
- pfd.fd = fd;
+ pfd.fd = kvp_fd;
while (1) {
- struct sockaddr *addr_p = (struct sockaddr *) &addr;
- socklen_t addr_l = sizeof(addr);
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(fd);
+ close(kvp_fd);
exit(EXIT_FAILURE);
}
else
continue;
}
- len = recvfrom(fd, kvp_recv_buffer, kvp_recv_buffer_len, 0,
- addr_p, &addr_l);
-
- if (len < 0) {
- int saved_errno = errno;
- syslog(LOG_ERR, "recvfrom failed; pid:%u error:%d %s",
- addr.nl_pid, errno, strerror(errno));
+ len = read(kvp_fd, hv_msg, sizeof(struct hv_kvp_msg));
- if (saved_errno == ENOBUFS) {
- syslog(LOG_ERR, "receive error: ignored");
- continue;
- }
+ if (len != sizeof(struct hv_kvp_msg)) {
+ syslog(LOG_ERR, "read failed; error:%d %s",
+ errno, strerror(errno));
- close(fd);
- return -1;
+ close(kvp_fd);
+ return EXIT_FAILURE;
}
- if (addr.nl_pid) {
- syslog(LOG_WARNING, "Received packet from untrusted pid:%u",
- addr.nl_pid);
- continue;
- }
-
- incoming_msg = (struct nlmsghdr *)kvp_recv_buffer;
-
- if (incoming_msg->nlmsg_type != NLMSG_DONE)
- continue;
-
- incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
- hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
-
/*
* We will use the KVP header information to pass back
* the error from this daemon. So, first copy the state
@@ -1603,7 +1514,7 @@ int main(int argc, char *argv[])
if (lic_version) {
strcpy(lic_version, p);
syslog(LOG_INFO, "KVP LIC Version: %s",
- lic_version);
+ lic_version);
} else {
syslog(LOG_ERR, "malloc failed");
}
@@ -1702,7 +1613,6 @@ int main(int argc, char *argv[])
goto kvp_done;
}
- hv_msg = (struct hv_kvp_msg *)incoming_cn_msg->data;
key_name = (char *)hv_msg->body.kvp_enum_data.data.key;
key_value = (char *)hv_msg->body.kvp_enum_data.data.value;
@@ -1753,31 +1663,17 @@ int main(int argc, char *argv[])
hv_msg->error = HV_S_CONT;
break;
}
- /*
- * Send the value back to the kernel. The response is
- * already in the receive buffer. Update the cn_msg header to
- * reflect the key value that has been added to the message
- */
-kvp_done:
-
- incoming_cn_msg->id.idx = CN_KVP_IDX;
- incoming_cn_msg->id.val = CN_KVP_VAL;
- incoming_cn_msg->ack = 0;
- incoming_cn_msg->len = sizeof(struct hv_kvp_msg);
-
- len = netlink_send(fd, incoming_cn_msg);
- if (len < 0) {
- int saved_errno = errno;
- syslog(LOG_ERR, "net_link send failed; error: %d %s", errno,
- strerror(errno));
-
- if (saved_errno == ENOMEM || saved_errno == ENOBUFS) {
- syslog(LOG_ERR, "send error: ignored");
- continue;
- }
+ /* Send the value back to the kernel. */
+kvp_done:
+ len = write(kvp_fd, hv_msg, sizeof(struct hv_kvp_msg));
+ if (len != sizeof(struct hv_kvp_msg)) {
+ syslog(LOG_ERR, "write failed; error: %d %s", errno,
+ strerror(errno));
exit(EXIT_FAILURE);
}
}
+ close(kvp_fd);
+ exit(0);
}
diff --git a/kernel/tools/hv/hv_vss_daemon.c b/kernel/tools/hv/hv_vss_daemon.c
index 506dd0148..5d51d6ff0 100644
--- a/kernel/tools/hv/hv_vss_daemon.c
+++ b/kernel/tools/hv/hv_vss_daemon.c
@@ -19,7 +19,6 @@
#include <sys/types.h>
-#include <sys/socket.h>
#include <sys/poll.h>
#include <sys/ioctl.h>
#include <fcntl.h>
@@ -30,21 +29,11 @@
#include <string.h>
#include <ctype.h>
#include <errno.h>
-#include <arpa/inet.h>
#include <linux/fs.h>
-#include <linux/connector.h>
#include <linux/hyperv.h>
-#include <linux/netlink.h>
#include <syslog.h>
#include <getopt.h>
-static struct sockaddr_nl addr;
-
-#ifndef SOL_NETLINK
-#define SOL_NETLINK 270
-#endif
-
-
/* Don't use syslog() in the function since that can cause write to disk */
static int vss_do_freeze(char *dir, unsigned int cmd)
{
@@ -143,33 +132,6 @@ out:
return error;
}
-static int netlink_send(int fd, struct cn_msg *msg)
-{
- struct nlmsghdr nlh = { .nlmsg_type = NLMSG_DONE };
- unsigned int size;
- struct msghdr message;
- struct iovec iov[2];
-
- size = sizeof(struct cn_msg) + msg->len;
-
- nlh.nlmsg_pid = getpid();
- nlh.nlmsg_len = NLMSG_LENGTH(size);
-
- iov[0].iov_base = &nlh;
- iov[0].iov_len = sizeof(nlh);
-
- iov[1].iov_base = msg;
- iov[1].iov_len = size;
-
- memset(&message, 0, sizeof(message));
- message.msg_name = &addr;
- message.msg_namelen = sizeof(addr);
- message.msg_iov = iov;
- message.msg_iovlen = 2;
-
- return sendmsg(fd, &message, 0);
-}
-
void print_usage(char *argv[])
{
fprintf(stderr, "Usage: %s [options]\n"
@@ -180,17 +142,14 @@ void print_usage(char *argv[])
int main(int argc, char *argv[])
{
- int fd, len, nl_group;
+ int vss_fd, len;
int error;
- struct cn_msg *message;
struct pollfd pfd;
- struct nlmsghdr *incoming_msg;
- struct cn_msg *incoming_cn_msg;
int op;
- struct hv_vss_msg *vss_msg;
- char *vss_recv_buffer;
- size_t vss_recv_buffer_len;
+ 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' },
@@ -217,98 +176,62 @@ int main(int argc, char *argv[])
openlog("Hyper-V VSS", 0, LOG_USER);
syslog(LOG_INFO, "VSS starting; pid is:%d", getpid());
- vss_recv_buffer_len = NLMSG_LENGTH(0) + sizeof(struct cn_msg) + sizeof(struct hv_vss_msg);
- vss_recv_buffer = calloc(1, vss_recv_buffer_len);
- if (!vss_recv_buffer) {
- syslog(LOG_ERR, "Failed to allocate netlink buffers");
- exit(EXIT_FAILURE);
- }
-
- fd = socket(AF_NETLINK, SOCK_DGRAM, NETLINK_CONNECTOR);
- if (fd < 0) {
- syslog(LOG_ERR, "netlink socket creation failed; error:%d %s",
- errno, strerror(errno));
- exit(EXIT_FAILURE);
- }
- addr.nl_family = AF_NETLINK;
- addr.nl_pad = 0;
- addr.nl_pid = 0;
- addr.nl_groups = 0;
-
-
- error = bind(fd, (struct sockaddr *)&addr, sizeof(addr));
- if (error < 0) {
- syslog(LOG_ERR, "bind failed; error:%d %s", errno, strerror(errno));
- close(fd);
- exit(EXIT_FAILURE);
- }
- nl_group = CN_VSS_IDX;
- if (setsockopt(fd, SOL_NETLINK, NETLINK_ADD_MEMBERSHIP, &nl_group, sizeof(nl_group)) < 0) {
- syslog(LOG_ERR, "setsockopt failed; error:%d %s", errno, strerror(errno));
- close(fd);
+ 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.
*/
- message = (struct cn_msg *)vss_recv_buffer;
- message->id.idx = CN_VSS_IDX;
- message->id.val = CN_VSS_VAL;
- message->ack = 0;
- vss_msg = (struct hv_vss_msg *)message->data;
- vss_msg->vss_hdr.operation = VSS_OP_REGISTER;
+ vss_msg->vss_hdr.operation = VSS_OP_REGISTER1;
- message->len = sizeof(struct hv_vss_msg);
-
- len = netlink_send(fd, message);
+ len = write(vss_fd, vss_msg, sizeof(struct hv_vss_msg));
if (len < 0) {
- syslog(LOG_ERR, "netlink_send failed; error:%d %s", errno, strerror(errno));
- close(fd);
+ syslog(LOG_ERR, "registration to kernel failed; error: %d %s",
+ errno, strerror(errno));
+ close(vss_fd);
exit(EXIT_FAILURE);
}
- pfd.fd = fd;
+ pfd.fd = vss_fd;
while (1) {
- struct sockaddr *addr_p = (struct sockaddr *) &addr;
- socklen_t addr_l = sizeof(addr);
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(fd);
+ close(vss_fd);
exit(EXIT_FAILURE);
}
else
continue;
}
- len = recvfrom(fd, vss_recv_buffer, vss_recv_buffer_len, 0,
- addr_p, &addr_l);
+ len = read(vss_fd, vss_msg, sizeof(struct hv_vss_msg));
- if (len < 0) {
- syslog(LOG_ERR, "recvfrom failed; pid:%u error:%d %s",
- addr.nl_pid, errno, strerror(errno));
- close(fd);
- return -1;
- }
-
- if (addr.nl_pid) {
- syslog(LOG_WARNING,
- "Received packet from untrusted pid:%u",
- addr.nl_pid);
+ 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;
}
- incoming_msg = (struct nlmsghdr *)vss_recv_buffer;
-
- if (incoming_msg->nlmsg_type != NLMSG_DONE)
- 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;
+ }
- incoming_cn_msg = (struct cn_msg *)NLMSG_DATA(incoming_msg);
- vss_msg = (struct hv_vss_msg *)incoming_cn_msg->data;
op = vss_msg->vss_hdr.operation;
error = HV_S_OK;
@@ -331,12 +254,14 @@ int main(int argc, char *argv[])
syslog(LOG_ERR, "Illegal op:%d\n", op);
}
vss_msg->error = error;
- len = netlink_send(fd, incoming_cn_msg);
- if (len < 0) {
- syslog(LOG_ERR, "net_link send failed; error:%d %s",
- errno, strerror(errno));
+ 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));
exit(EXIT_FAILURE);
}
}
+ close(vss_fd);
+ exit(0);
}
diff --git a/kernel/tools/hv/lsvmbus b/kernel/tools/hv/lsvmbus
new file mode 100644
index 000000000..162a3784d
--- /dev/null
+++ b/kernel/tools/hv/lsvmbus
@@ -0,0 +1,101 @@
+#!/usr/bin/env python
+
+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',
+ '{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)