diff options
Diffstat (limited to 'f09.patch')
| -rw-r--r-- | f09.patch | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/f09.patch b/f09.patch new file mode 100644 index 00000000000000..d6d3bf8cb734a1 --- /dev/null +++ b/f09.patch @@ -0,0 +1,142 @@ +--- + drivers/hv/channel.c | 4 ---- + drivers/hv/vmbus_drv.c | 48 ++++++++++++++++++++++++++++++++++++++---------- + include/linux/hyperv.h | 2 -- + 3 files changed, 38 insertions(+), 16 deletions(-) + +--- a/drivers/hv/channel.c ++++ b/drivers/hv/channel.c +@@ -70,15 +70,11 @@ void vmbus_get_debug_info(struct vmbus_c + 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; +--- a/drivers/hv/vmbus_drv.c ++++ b/drivers/hv/vmbus_drv.c +@@ -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_d + + 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(st + } 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_ + 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_sh + } + 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), +--- a/include/linux/hyperv.h ++++ b/include/linux/hyperv.h +@@ -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; |