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path: root/drivers/s390/scsi/zfcp_scsi.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_scsi.c')
-rw-r--r--drivers/s390/scsi/zfcp_scsi.c206
1 files changed, 1 insertions, 205 deletions
diff --git a/drivers/s390/scsi/zfcp_scsi.c b/drivers/s390/scsi/zfcp_scsi.c
index f8594a2e3f5..e6d8ea8051a 100644
--- a/drivers/s390/scsi/zfcp_scsi.c
+++ b/drivers/s390/scsi/zfcp_scsi.c
@@ -520,209 +520,6 @@ struct fc_function_template zfcp_transport_functions = {
.disable_target_scan = 1,
};
-#define ZFCP_DEFINE_LATENCY_ATTR(_name) \
-static ssize_t \
-zfcp_sysfs_unit_##_name##_latency_show(struct device *dev, \
- struct device_attribute *attr, \
- char *buf) { \
- struct scsi_device *sdev = to_scsi_device(dev); \
- struct zfcp_unit *unit = sdev->hostdata; \
- struct zfcp_latencies *lat = &unit->latencies; \
- struct zfcp_adapter *adapter = unit->port->adapter; \
- unsigned long flags; \
- unsigned long long fsum, fmin, fmax, csum, cmin, cmax, cc; \
- \
- spin_lock_irqsave(&lat->lock, flags); \
- fsum = lat->_name.fabric.sum * adapter->timer_ticks; \
- fmin = lat->_name.fabric.min * adapter->timer_ticks; \
- fmax = lat->_name.fabric.max * adapter->timer_ticks; \
- csum = lat->_name.channel.sum * adapter->timer_ticks; \
- cmin = lat->_name.channel.min * adapter->timer_ticks; \
- cmax = lat->_name.channel.max * adapter->timer_ticks; \
- cc = lat->_name.counter; \
- spin_unlock_irqrestore(&lat->lock, flags); \
- \
- do_div(fsum, 1000); \
- do_div(fmin, 1000); \
- do_div(fmax, 1000); \
- do_div(csum, 1000); \
- do_div(cmin, 1000); \
- do_div(cmax, 1000); \
- \
- return sprintf(buf, "%llu %llu %llu %llu %llu %llu %llu\n", \
- fmin, fmax, fsum, cmin, cmax, csum, cc); \
-} \
-static ssize_t \
-zfcp_sysfs_unit_##_name##_latency_store(struct device *dev, \
- struct device_attribute *attr, \
- const char *buf, size_t count) \
-{ \
- struct scsi_device *sdev = to_scsi_device(dev); \
- struct zfcp_unit *unit = sdev->hostdata; \
- struct zfcp_latencies *lat = &unit->latencies; \
- unsigned long flags; \
- \
- spin_lock_irqsave(&lat->lock, flags); \
- lat->_name.fabric.sum = 0; \
- lat->_name.fabric.min = 0xFFFFFFFF; \
- lat->_name.fabric.max = 0; \
- lat->_name.channel.sum = 0; \
- lat->_name.channel.min = 0xFFFFFFFF; \
- lat->_name.channel.max = 0; \
- lat->_name.counter = 0; \
- spin_unlock_irqrestore(&lat->lock, flags); \
- \
- return (ssize_t) count; \
-} \
-static DEVICE_ATTR(_name##_latency, S_IWUSR | S_IRUGO, \
- zfcp_sysfs_unit_##_name##_latency_show, \
- zfcp_sysfs_unit_##_name##_latency_store);
-
-ZFCP_DEFINE_LATENCY_ATTR(read);
-ZFCP_DEFINE_LATENCY_ATTR(write);
-ZFCP_DEFINE_LATENCY_ATTR(cmd);
-
-#define ZFCP_DEFINE_SCSI_ATTR(_name, _format, _value) \
-static ssize_t zfcp_sysfs_scsi_##_name##_show(struct device *dev, struct device_attribute *attr, \
- char *buf) \
-{ \
- struct scsi_device *sdev; \
- struct zfcp_unit *unit; \
- \
- sdev = to_scsi_device(dev); \
- unit = sdev->hostdata; \
- return sprintf(buf, _format, _value); \
-} \
- \
-static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_scsi_##_name##_show, NULL);
-
-ZFCP_DEFINE_SCSI_ATTR(hba_id, "%s\n",
- unit->port->adapter->ccw_device->dev.bus_id);
-ZFCP_DEFINE_SCSI_ATTR(wwpn, "0x%016llx\n", unit->port->wwpn);
-ZFCP_DEFINE_SCSI_ATTR(fcp_lun, "0x%016llx\n", unit->fcp_lun);
-
-static struct device_attribute *zfcp_sysfs_sdev_attrs[] = {
- &dev_attr_fcp_lun,
- &dev_attr_wwpn,
- &dev_attr_hba_id,
- &dev_attr_read_latency,
- &dev_attr_write_latency,
- &dev_attr_cmd_latency,
- NULL
-};
-
-static ssize_t zfcp_sysfs_adapter_util_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct Scsi_Host *scsi_host = dev_to_shost(dev);
- struct fsf_qtcb_bottom_port *qtcb_port;
- struct zfcp_adapter *adapter;
- int retval;
-
- adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
- if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
- return -EOPNOTSUPP;
-
- qtcb_port = kzalloc(sizeof(struct fsf_qtcb_bottom_port), GFP_KERNEL);
- if (!qtcb_port)
- return -ENOMEM;
-
- retval = zfcp_fsf_exchange_port_data_sync(adapter, qtcb_port);
- if (!retval)
- retval = sprintf(buf, "%u %u %u\n", qtcb_port->cp_util,
- qtcb_port->cb_util, qtcb_port->a_util);
- kfree(qtcb_port);
- return retval;
-}
-
-static int zfcp_sysfs_adapter_ex_config(struct device *dev,
- struct fsf_statistics_info *stat_inf)
-{
- struct Scsi_Host *scsi_host = dev_to_shost(dev);
- struct fsf_qtcb_bottom_config *qtcb_config;
- struct zfcp_adapter *adapter;
- int retval;
-
- adapter = (struct zfcp_adapter *) scsi_host->hostdata[0];
- if (!(adapter->adapter_features & FSF_FEATURE_MEASUREMENT_DATA))
- return -EOPNOTSUPP;
-
- qtcb_config = kzalloc(sizeof(struct fsf_qtcb_bottom_config),
- GFP_KERNEL);
- if (!qtcb_config)
- return -ENOMEM;
-
- retval = zfcp_fsf_exchange_config_data_sync(adapter, qtcb_config);
- if (!retval)
- *stat_inf = qtcb_config->stat_info;
-
- kfree(qtcb_config);
- return retval;
-}
-
-static ssize_t zfcp_sysfs_adapter_request_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct fsf_statistics_info stat_info;
- int retval;
-
- retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);
- if (retval)
- return retval;
-
- return sprintf(buf, "%llu %llu %llu\n",
- (unsigned long long) stat_info.input_req,
- (unsigned long long) stat_info.output_req,
- (unsigned long long) stat_info.control_req);
-}
-
-static ssize_t zfcp_sysfs_adapter_mb_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct fsf_statistics_info stat_info;
- int retval;
-
- retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);
- if (retval)
- return retval;
-
- return sprintf(buf, "%llu %llu\n",
- (unsigned long long) stat_info.input_mb,
- (unsigned long long) stat_info.output_mb);
-}
-
-static ssize_t zfcp_sysfs_adapter_sec_active_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct fsf_statistics_info stat_info;
- int retval;
-
- retval = zfcp_sysfs_adapter_ex_config(dev, &stat_info);
- if (retval)
- return retval;
-
- return sprintf(buf, "%llu\n",
- (unsigned long long) stat_info.seconds_act);
-}
-
-static DEVICE_ATTR(utilization, S_IRUGO, zfcp_sysfs_adapter_util_show, NULL);
-static DEVICE_ATTR(requests, S_IRUGO, zfcp_sysfs_adapter_request_show, NULL);
-static DEVICE_ATTR(megabytes, S_IRUGO, zfcp_sysfs_adapter_mb_show, NULL);
-static DEVICE_ATTR(seconds_active, S_IRUGO,
- zfcp_sysfs_adapter_sec_active_show, NULL);
-
-static struct device_attribute *zfcp_a_stats_attrs[] = {
- &dev_attr_utilization,
- &dev_attr_requests,
- &dev_attr_megabytes,
- &dev_attr_seconds_active,
- NULL
-};
-
struct zfcp_data zfcp_data = {
.scsi_host_template = {
.name = "zfcp",
@@ -743,7 +540,6 @@ struct zfcp_data zfcp_data = {
.use_clustering = 1,
.sdev_attrs = zfcp_sysfs_sdev_attrs,
.max_sectors = (ZFCP_MAX_SBALES_PER_REQ * 8),
- .shost_attrs = zfcp_a_stats_attrs,
+ .shost_attrs = zfcp_sysfs_shost_attrs,
},
};
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 02:42:05 +0000