diff options
Diffstat (limited to 'drivers/hv/vmbus_drv.c')
| -rw-r--r-- | drivers/hv/vmbus_drv.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/hv/vmbus_drv.c b/drivers/hv/vmbus_drv.c index f9fe46f52cfa..5c21b22860af 100644 --- a/drivers/hv/vmbus_drv.c +++ b/drivers/hv/vmbus_drv.c @@ -47,7 +47,6 @@ static struct completion probe_event; static int irq; struct hv_device_info { - u32 chn_id; u32 chn_state; uuid_le chn_type; uuid_le chn_instance; @@ -83,7 +82,6 @@ static void get_channel_info(struct hv_device *device, vmbus_get_debug_info(device->channel, &debug_info); - info->chn_id = debug_info.relid; info->chn_state = debug_info.state; memcpy(&info->chn_type, &debug_info.interfacetype, sizeof(uuid_le)); @@ -156,8 +154,6 @@ static ssize_t vmbus_show_device_attr(struct device *dev, ret = sprintf(buf, "vmbus:%s\n", alias_name); } else if (!strcmp(dev_attr->attr.name, "state")) { ret = sprintf(buf, "%d\n", device_info->chn_state); - } else if (!strcmp(dev_attr->attr.name, "id")) { - ret = sprintf(buf, "%d\n", device_info->chn_id); } else 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")) { @@ -204,9 +200,25 @@ static ssize_t vmbus_show_device_attr(struct device *dev, return ret; } +static ssize_t 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, "%d\n", hv_dev->channel->offermsg.child_relid); +} +static DEVICE_ATTR_RO(id); + +static struct attribute *vmbus_attrs[] = { + &dev_attr_id.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(id, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(state, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(class_id, S_IRUGO, vmbus_show_device_attr, NULL), __ATTR(device_id, S_IRUGO, vmbus_show_device_attr, NULL), @@ -384,6 +396,7 @@ static struct bus_type hv_bus = { .probe = vmbus_probe, .uevent = vmbus_uevent, .dev_attrs = vmbus_device_attrs, + .dev_groups = vmbus_groups, }; static const char *driver_name = "hyperv"; |