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hv: move "device_id" bus attribute to dev_groups

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This moves the "device_id" bus attribute to the dev_groups structure,
removing the need for it to be in a temporary structure.

Tested-by: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2013-09-13 11:32:54 -07:00
parent 68234c049c
commit 7c55e1d0e6
3 changed files with 14 additions and 15 deletions
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4
drivers/hv/channel.c
View file

@ -69,10 +69,6 @@ void vmbus_get_debug_info(struct vmbus_channel *channel,
u8 monitor_group = (u8)channel->offermsg.monitorid / 32;
u8 monitor_offset = (u8)channel->offermsg.monitorid % 32;
memcpy(&debuginfo->interface_instance,
&channel->offermsg.offer.if_instance,
sizeof(uuid_le));
monitorpage = (struct hv_monitor_page *)vmbus_connection.monitor_pages;
debuginfo->servermonitor_pending =

24
drivers/hv/vmbus_drv.c
View file

@ -47,8 +47,6 @@ static struct completion probe_event;
static int irq;
struct hv_device_info {
uuid_le chn_instance;
u32 server_monitor_pending;
u32 server_monitor_latency;
u32 server_monitor_conn_id;
@ -79,9 +77,6 @@ static void get_channel_info(struct hv_device *device,
vmbus_get_debug_info(device->channel, &debug_info);
memcpy(&info->chn_instance, &debug_info.interface_instance,
sizeof(uuid_le));
info->server_monitor_pending = debug_info.servermonitor_pending;
info->server_monitor_latency = debug_info.servermonitor_latency;
info->server_monitor_conn_id = debug_info.servermonitor_connectionid;
@ -136,9 +131,7 @@ static ssize_t vmbus_show_device_attr(struct device *dev,
get_channel_info(hv_dev, device_info);
if (!strcmp(dev_attr->attr.name, "device_id")) {
ret = sprintf(buf, "{%pUl}\n", device_info->chn_instance.b);
} else if (!strcmp(dev_attr->attr.name, "out_intr_mask")) {
if (!strcmp(dev_attr->attr.name, "out_intr_mask")) {
ret = sprintf(buf, "%d\n", device_info->outbound.int_mask);
} else if (!strcmp(dev_attr->attr.name, "out_read_index")) {
ret = sprintf(buf, "%d\n", device_info->outbound.read_idx);
@ -227,6 +220,18 @@ static ssize_t class_id_show(struct device *dev,
}
static DEVICE_ATTR_RO(class_id);
static ssize_t device_id_show(struct device *dev,
struct device_attribute *dev_attr, char *buf)
{
struct hv_device *hv_dev = device_to_hv_device(dev);
if (!hv_dev->channel)
return -ENODEV;
return sprintf(buf, "{%pUl}\n",
hv_dev->channel->offermsg.offer.if_instance.b);
}
static DEVICE_ATTR_RO(device_id);
static ssize_t modalias_show(struct device *dev,
struct device_attribute *dev_attr, char *buf)
{
@ -244,6 +249,7 @@ static struct attribute *vmbus_attrs[] = {
&dev_attr_state.attr,
&dev_attr_monitor_id.attr,
&dev_attr_class_id.attr,
&dev_attr_device_id.attr,
&dev_attr_modalias.attr,
NULL,
};
@ -251,8 +257,6 @@ ATTRIBUTE_GROUPS(vmbus);
/* Set up per device attributes in /sys/bus/vmbus/devices/<bus device> */
static struct device_attribute vmbus_device_attrs[] = {
__ATTR(device_id, S_IRUGO, vmbus_show_device_attr, NULL),
__ATTR(server_monitor_pending, S_IRUGO, vmbus_show_device_attr, NULL),
__ATTR(server_monitor_latency, S_IRUGO, vmbus_show_device_attr, NULL),
__ATTR(server_monitor_conn_id, S_IRUGO, vmbus_show_device_attr, NULL),

1
include/linux/hyperv.h
View file

@ -900,7 +900,6 @@ enum vmbus_channel_state {
};
struct vmbus_channel_debug_info {
uuid_le interface_instance;
u32 servermonitor_pending;
u32 servermonitor_latency;
u32 servermonitor_connectionid;