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path: root/drivers/s390/scsi/zfcp_sysfs_adapter.c
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Diffstat (limited to 'drivers/s390/scsi/zfcp_sysfs_adapter.c')
-rw-r--r--drivers/s390/scsi/zfcp_sysfs_adapter.c232
1 files changed, 0 insertions, 232 deletions
diff --git a/drivers/s390/scsi/zfcp_sysfs_adapter.c b/drivers/s390/scsi/zfcp_sysfs_adapter.c
deleted file mode 100644
index 3985f1f1c29..00000000000
--- a/drivers/s390/scsi/zfcp_sysfs_adapter.c
+++ /dev/null
@@ -1,232 +0,0 @@
-/*
- * zfcp device driver
- *
- * sysfs attributes for CCW device.
- *
- * Copyright IBM Corporation 2002, 2008
- */
-
-#include "zfcp_ext.h"
-
-/**
- * ZFCP_DEFINE_ADAPTER_ATTR
- * @_name: name of show attribute
- * @_format: format string
- * @_value: value to print
- *
- * Generates attributes for an adapter.
- */
-#define ZFCP_DEFINE_ADAPTER_ATTR(_name, _format, _value) \
-static ssize_t zfcp_sysfs_adapter_##_name##_show(struct device *dev, struct device_attribute *attr, \
- char *buf) \
-{ \
- struct zfcp_adapter *adapter; \
- \
- adapter = dev_get_drvdata(dev); \
- return sprintf(buf, _format, _value); \
-} \
- \
-static DEVICE_ATTR(_name, S_IRUGO, zfcp_sysfs_adapter_##_name##_show, NULL);
-
-ZFCP_DEFINE_ADAPTER_ATTR(status, "0x%08x\n", atomic_read(&adapter->status));
-ZFCP_DEFINE_ADAPTER_ATTR(peer_wwnn, "0x%016llx\n", adapter->peer_wwnn);
-ZFCP_DEFINE_ADAPTER_ATTR(peer_wwpn, "0x%016llx\n", adapter->peer_wwpn);
-ZFCP_DEFINE_ADAPTER_ATTR(peer_d_id, "0x%06x\n", adapter->peer_d_id);
-ZFCP_DEFINE_ADAPTER_ATTR(card_version, "0x%04x\n", adapter->hydra_version);
-ZFCP_DEFINE_ADAPTER_ATTR(lic_version, "0x%08x\n", adapter->fsf_lic_version);
-ZFCP_DEFINE_ADAPTER_ATTR(hardware_version, "0x%08x\n",
- adapter->hardware_version);
-ZFCP_DEFINE_ADAPTER_ATTR(in_recovery, "%d\n", atomic_test_mask
- (ZFCP_STATUS_COMMON_ERP_INUSE, &adapter->status));
-
-/**
- * zfcp_sysfs_port_rescan - trigger manual port rescan
- * @dev: pointer to belonging device
- * @attr: pointer to struct device_attribute
- * @buf: pointer to input buffer
- * @count: number of bytes in buffer
- */
-static ssize_t zfcp_sysfs_port_rescan_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct zfcp_adapter *adapter;
- int ret;
-
- adapter = dev_get_drvdata(dev);
- if (atomic_test_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status))
- return -EBUSY;
-
- ret = zfcp_scan_ports(adapter);
-
- return ret ? ret : (ssize_t) count;
-}
-static DEVICE_ATTR(port_rescan, S_IWUSR, NULL, zfcp_sysfs_port_rescan_store);
-
-/**
- * zfcp_sysfs_port_remove_store - remove a port from sysfs tree
- * @dev: pointer to belonging device
- * @buf: pointer to input buffer
- * @count: number of bytes in buffer
- *
- * Store function of the "port_remove" attribute of an adapter.
- */
-static ssize_t
-zfcp_sysfs_port_remove_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
-{
- struct zfcp_adapter *adapter;
- struct zfcp_port *port;
- wwn_t wwpn;
- char *endp;
- int retval = 0;
-
- down(&zfcp_data.config_sema);
-
- adapter = dev_get_drvdata(dev);
- if (atomic_test_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status)) {
- retval = -EBUSY;
- goto out;
- }
-
- wwpn = simple_strtoull(buf, &endp, 0);
- if ((endp + 1) < (buf + count)) {
- retval = -EINVAL;
- goto out;
- }
-
- write_lock_irq(&zfcp_data.config_lock);
- port = zfcp_get_port_by_wwpn(adapter, wwpn);
- if (port && (atomic_read(&port->refcount) == 0)) {
- zfcp_port_get(port);
- atomic_set_mask(ZFCP_STATUS_COMMON_REMOVE, &port->status);
- list_move(&port->list, &adapter->port_remove_lh);
- }
- else {
- port = NULL;
- }
- write_unlock_irq(&zfcp_data.config_lock);
-
- if (!port) {
- retval = -ENXIO;
- goto out;
- }
-
- zfcp_erp_port_shutdown(port, 0, 92, NULL);
- zfcp_erp_wait(adapter);
- zfcp_port_put(port);
- zfcp_port_dequeue(port);
- out:
- up(&zfcp_data.config_sema);
- return retval ? retval : (ssize_t) count;
-}
-
-static DEVICE_ATTR(port_remove, S_IWUSR, NULL, zfcp_sysfs_port_remove_store);
-
-/**
- * zfcp_sysfs_adapter_failed_store - failed state of adapter
- * @dev: pointer to belonging device
- * @buf: pointer to input buffer
- * @count: number of bytes in buffer
- *
- * Store function of the "failed" attribute of an adapter.
- * If a "0" gets written to "failed", error recovery will be
- * started for the belonging adapter.
- */
-static ssize_t
-zfcp_sysfs_adapter_failed_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct zfcp_adapter *adapter;
- unsigned int val;
- char *endp;
- int retval = 0;
-
- down(&zfcp_data.config_sema);
-
- adapter = dev_get_drvdata(dev);
- if (atomic_test_mask(ZFCP_STATUS_COMMON_REMOVE, &adapter->status)) {
- retval = -EBUSY;
- goto out;
- }
-
- val = simple_strtoul(buf, &endp, 0);
- if (((endp + 1) < (buf + count)) || (val != 0)) {
- retval = -EINVAL;
- goto out;
- }
-
- zfcp_erp_modify_adapter_status(adapter, 44, NULL,
- ZFCP_STATUS_COMMON_RUNNING, ZFCP_SET);
- zfcp_erp_adapter_reopen(adapter, ZFCP_STATUS_COMMON_ERP_FAILED, 93,
- NULL);
- zfcp_erp_wait(adapter);
- out:
- up(&zfcp_data.config_sema);
- return retval ? retval : (ssize_t) count;
-}
-
-/**
- * zfcp_sysfs_adapter_failed_show - failed state of adapter
- * @dev: pointer to belonging device
- * @buf: pointer to input buffer
- *
- * Show function of "failed" attribute of adapter. Will be
- * "0" if adapter is working, otherwise "1".
- */
-static ssize_t
-zfcp_sysfs_adapter_failed_show(struct device *dev, struct device_attribute *attr, char *buf)
-{
- struct zfcp_adapter *adapter;
-
- adapter = dev_get_drvdata(dev);
- if (atomic_test_mask(ZFCP_STATUS_COMMON_ERP_FAILED, &adapter->status))
- return sprintf(buf, "1\n");
- else
- return sprintf(buf, "0\n");
-}
-
-static DEVICE_ATTR(failed, S_IWUSR | S_IRUGO, zfcp_sysfs_adapter_failed_show,
- zfcp_sysfs_adapter_failed_store);
-
-static struct attribute *zfcp_adapter_attrs[] = {
- &dev_attr_failed.attr,
- &dev_attr_in_recovery.attr,
- &dev_attr_port_remove.attr,
- &dev_attr_port_rescan.attr,
- &dev_attr_peer_wwnn.attr,
- &dev_attr_peer_wwpn.attr,
- &dev_attr_peer_d_id.attr,
- &dev_attr_card_version.attr,
- &dev_attr_lic_version.attr,
- &dev_attr_status.attr,
- &dev_attr_hardware_version.attr,
- NULL
-};
-
-static struct attribute_group zfcp_adapter_attr_group = {
- .attrs = zfcp_adapter_attrs,
-};
-
-/**
- * zfcp_sysfs_create_adapter_files - create sysfs adapter files
- * @dev: pointer to belonging device
- *
- * Create all attributes of the sysfs representation of an adapter.
- */
-int
-zfcp_sysfs_adapter_create_files(struct device *dev)
-{
- return sysfs_create_group(&dev->kobj, &zfcp_adapter_attr_group);
-}
-
-/**
- * zfcp_sysfs_remove_adapter_files - remove sysfs adapter files
- * @dev: pointer to belonging device
- *
- * Remove all attributes of the sysfs representation of an adapter.
- */
-void
-zfcp_sysfs_adapter_remove_files(struct device *dev)
-{
- sysfs_remove_group(&dev->kobj, &zfcp_adapter_attr_group);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-15 02:20:47 +0000