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hv: move "client/server_monitor_latency" bus attributes to dev_groups

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This moves the "client_monitor_latency" and "server_monitor_latency" bus
attributes 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 11:32:57 -07:00
parent 76c52bbe5e
commit 1cee272b02
3 changed files with 38 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/hv/channel.c
View File

@ -70,15 +70,11 @@ void vmbus_get_debug_info(struct vmbus_channel *channel,
u8 monitor_offset = (u8)channel->offermsg.monitorid % 32;
monitorpage = vmbus_connection.monitor_pages[0];
debuginfo->servermonitor_latency =
monitorpage->latency[monitor_group][monitor_offset];
debuginfo->servermonitor_connectionid =
monitorpage->parameter[monitor_group]
[monitor_offset].connectionid.u.id;
monitorpage = vmbus_connection.monitor_pages[1];
debuginfo->clientmonitor_latency =
monitorpage->latency[monitor_group][monitor_offset];
debuginfo->clientmonitor_connectionid =
monitorpage->parameter[monitor_group]
[monitor_offset].connectionid.u.id;

48
drivers/hv/vmbus_drv.c
View File

@ -47,9 +47,7 @@ static struct completion probe_event;
static int irq;
struct hv_device_info {
u32 server_monitor_latency;
u32 server_monitor_conn_id;
u32 client_monitor_latency;
u32 client_monitor_conn_id;
struct hv_dev_port_info inbound;
@ -75,10 +73,8 @@ static void get_channel_info(struct hv_device *device,
vmbus_get_debug_info(device->channel, &debug_info);
info->server_monitor_latency = debug_info.servermonitor_latency;
info->server_monitor_conn_id = debug_info.servermonitor_connectionid;
info->client_monitor_latency = debug_info.clientmonitor_latency;
info->client_monitor_conn_id = debug_info.clientmonitor_connectionid;
info->inbound.int_mask = debug_info.inbound.current_interrupt_mask;
@ -151,13 +147,9 @@ static ssize_t vmbus_show_device_attr(struct device *dev,
} else if (!strcmp(dev_attr->attr.name, "in_write_bytes_avail")) {
ret = sprintf(buf, "%d\n",
device_info->inbound.bytes_avail_towrite);
} else if (!strcmp(dev_attr->attr.name, "server_monitor_latency")) {
ret = sprintf(buf, "%d\n", device_info->server_monitor_latency);
} else if (!strcmp(dev_attr->attr.name, "server_monitor_conn_id")) {
ret = sprintf(buf, "%d\n",
device_info->server_monitor_conn_id);
} else if (!strcmp(dev_attr->attr.name, "client_monitor_latency")) {
ret = sprintf(buf, "%d\n", device_info->client_monitor_latency);
} else if (!strcmp(dev_attr->attr.name, "client_monitor_conn_id")) {
ret = sprintf(buf, "%d\n",
device_info->client_monitor_conn_id);
@ -184,6 +176,14 @@ static u32 channel_pending(struct vmbus_channel *channel,
return monitor_page->trigger_group[monitor_group].pending;
}
static u32 channel_latency(struct vmbus_channel *channel,
struct hv_monitor_page *monitor_page)
{
u8 monitor_group = channel_monitor_group(channel);
u8 monitor_offset = channel_monitor_offset(channel);
return monitor_page->latency[monitor_group][monitor_offset];
}
static ssize_t id_show(struct device *dev, struct device_attribute *dev_attr,
char *buf)
{
@ -280,6 +280,34 @@ static ssize_t client_monitor_pending_show(struct device *dev,
}
static DEVICE_ATTR_RO(client_monitor_pending);
static ssize_t server_monitor_latency_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, "%d\n",
channel_latency(hv_dev->channel,
vmbus_connection.monitor_pages[0]));
}
static DEVICE_ATTR_RO(server_monitor_latency);
static ssize_t client_monitor_latency_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, "%d\n",
channel_latency(hv_dev->channel,
vmbus_connection.monitor_pages[1]));
}
static DEVICE_ATTR_RO(client_monitor_latency);
static struct attribute *vmbus_attrs[] = {
&dev_attr_id.attr,
&dev_attr_state.attr,
@ -289,16 +317,16 @@ static struct attribute *vmbus_attrs[] = {
&dev_attr_modalias.attr,
&dev_attr_server_monitor_pending.attr,
&dev_attr_client_monitor_pending.attr,
&dev_attr_server_monitor_latency.attr,
&dev_attr_client_monitor_latency.attr,
NULL,
};
ATTRIBUTE_GROUPS(vmbus);
/* Set up per device attributes in /sys/bus/vmbus/devices/<bus device> */
static struct device_attribute vmbus_device_attrs[] = {
__ATTR(server_monitor_latency, S_IRUGO, vmbus_show_device_attr, NULL),
__ATTR(server_monitor_conn_id, S_IRUGO, vmbus_show_device_attr, NULL),
__ATTR(client_monitor_latency, S_IRUGO, vmbus_show_device_attr, NULL),
__ATTR(client_monitor_conn_id, S_IRUGO, vmbus_show_device_attr, NULL),
__ATTR(out_intr_mask, S_IRUGO, vmbus_show_device_attr, NULL),

2
include/linux/hyperv.h
View File

@ -900,9 +900,7 @@ enum vmbus_channel_state {
};
struct vmbus_channel_debug_info {
u32 servermonitor_latency;
u32 servermonitor_connectionid;
u32 clientmonitor_latency;
u32 clientmonitor_connectionid;
struct hv_ring_buffer_debug_info inbound;