+/*
+ * FC Virtual Port Attribute Management
+ */
+
+#define fc_vport_show_function(field, format_string, sz, cast) \
+static ssize_t \
+show_fc_vport_##field (struct class_device *cdev, char *buf) \
+{ \
+ struct fc_vport *vport = transport_class_to_vport(cdev); \
+ struct Scsi_Host *shost = vport_to_shost(vport); \
+ struct fc_internal *i = to_fc_internal(shost->transportt); \
+ if ((i->f->get_vport_##field) && \
+ !(vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING))) \
+ i->f->get_vport_##field(vport); \
+ return snprintf(buf, sz, format_string, cast vport->field); \
+}
+
+#define fc_vport_store_function(field) \
+static ssize_t \
+store_fc_vport_##field(struct class_device *cdev, const char *buf, \
+ size_t count) \
+{ \
+ int val; \
+ struct fc_vport *vport = transport_class_to_vport(cdev); \
+ struct Scsi_Host *shost = vport_to_shost(vport); \
+ struct fc_internal *i = to_fc_internal(shost->transportt); \
+ char *cp; \
+ if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) \
+ return -EBUSY; \
+ val = simple_strtoul(buf, &cp, 0); \
+ if (*cp && (*cp != '\n')) \
+ return -EINVAL; \
+ i->f->set_vport_##field(vport, val); \
+ return count; \
+}
+
+#define fc_vport_store_str_function(field, slen) \
+static ssize_t \
+store_fc_vport_##field(struct class_device *cdev, const char *buf, \
+ size_t count) \
+{ \
+ struct fc_vport *vport = transport_class_to_vport(cdev); \
+ struct Scsi_Host *shost = vport_to_shost(vport); \
+ struct fc_internal *i = to_fc_internal(shost->transportt); \
+ unsigned int cnt=count; \
+ \
+ /* count may include a LF at end of string */ \
+ if (buf[cnt-1] == '\n') \
+ cnt--; \
+ if (cnt > ((slen) - 1)) \
+ return -EINVAL; \
+ memcpy(vport->field, buf, cnt); \
+ i->f->set_vport_##field(vport); \
+ return count; \
+}
+
+#define fc_vport_rd_attr(field, format_string, sz) \
+ fc_vport_show_function(field, format_string, sz, ) \
+static FC_CLASS_DEVICE_ATTR(vport, field, S_IRUGO, \
+ show_fc_vport_##field, NULL)
+
+#define fc_vport_rd_attr_cast(field, format_string, sz, cast) \
+ fc_vport_show_function(field, format_string, sz, (cast)) \
+static FC_CLASS_DEVICE_ATTR(vport, field, S_IRUGO, \
+ show_fc_vport_##field, NULL)
+
+#define fc_vport_rw_attr(field, format_string, sz) \
+ fc_vport_show_function(field, format_string, sz, ) \
+ fc_vport_store_function(field) \
+static FC_CLASS_DEVICE_ATTR(vport, field, S_IRUGO | S_IWUSR, \
+ show_fc_vport_##field, \
+ store_fc_vport_##field)
+
+#define fc_private_vport_show_function(field, format_string, sz, cast) \
+static ssize_t \
+show_fc_vport_##field (struct class_device *cdev, char *buf) \
+{ \
+ struct fc_vport *vport = transport_class_to_vport(cdev); \
+ return snprintf(buf, sz, format_string, cast vport->field); \
+}
+
+#define fc_private_vport_store_u32_function(field) \
+static ssize_t \
+store_fc_vport_##field(struct class_device *cdev, const char *buf, \
+ size_t count) \
+{ \
+ u32 val; \
+ struct fc_vport *vport = transport_class_to_vport(cdev); \
+ char *cp; \
+ if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING)) \
+ return -EBUSY; \
+ val = simple_strtoul(buf, &cp, 0); \
+ if (*cp && (*cp != '\n')) \
+ return -EINVAL; \
+ vport->field = val; \
+ return count; \
+}
+
+
+#define fc_private_vport_rd_attr(field, format_string, sz) \
+ fc_private_vport_show_function(field, format_string, sz, ) \
+static FC_CLASS_DEVICE_ATTR(vport, field, S_IRUGO, \
+ show_fc_vport_##field, NULL)
+
+#define fc_private_vport_rd_attr_cast(field, format_string, sz, cast) \
+ fc_private_vport_show_function(field, format_string, sz, (cast)) \
+static FC_CLASS_DEVICE_ATTR(vport, field, S_IRUGO, \
+ show_fc_vport_##field, NULL)
+
+#define fc_private_vport_rw_u32_attr(field, format_string, sz) \
+ fc_private_vport_show_function(field, format_string, sz, ) \
+ fc_private_vport_store_u32_function(field) \
+static FC_CLASS_DEVICE_ATTR(vport, field, S_IRUGO | S_IWUSR, \
+ show_fc_vport_##field, \
+ store_fc_vport_##field)
+
+
+#define fc_private_vport_rd_enum_attr(title, maxlen) \
+static ssize_t \
+show_fc_vport_##title (struct class_device *cdev, char *buf) \
+{ \
+ struct fc_vport *vport = transport_class_to_vport(cdev); \
+ const char *name; \
+ name = get_fc_##title##_name(vport->title); \
+ if (!name) \
+ return -EINVAL; \
+ return snprintf(buf, maxlen, "%s\n", name); \
+} \
+static FC_CLASS_DEVICE_ATTR(vport, title, S_IRUGO, \
+ show_fc_vport_##title, NULL)
+
+
+#define SETUP_VPORT_ATTRIBUTE_RD(field) \
+ i->private_vport_attrs[count] = class_device_attr_vport_##field; \
+ i->private_vport_attrs[count].attr.mode = S_IRUGO; \
+ i->private_vport_attrs[count].store = NULL; \
+ i->vport_attrs[count] = &i->private_vport_attrs[count]; \
+ if (i->f->get_##field) \
+ count++
+ /* NOTE: Above MACRO differs: checks function not show bit */
+
+#define SETUP_PRIVATE_VPORT_ATTRIBUTE_RD(field) \
+ i->private_vport_attrs[count] = class_device_attr_vport_##field; \
+ i->private_vport_attrs[count].attr.mode = S_IRUGO; \
+ i->private_vport_attrs[count].store = NULL; \
+ i->vport_attrs[count] = &i->private_vport_attrs[count]; \
+ count++
+
+#define SETUP_VPORT_ATTRIBUTE_WR(field) \
+ i->private_vport_attrs[count] = class_device_attr_vport_##field; \
+ i->vport_attrs[count] = &i->private_vport_attrs[count]; \
+ if (i->f->field) \
+ count++
+ /* NOTE: Above MACRO differs: checks function */
+
+#define SETUP_VPORT_ATTRIBUTE_RW(field) \
+ i->private_vport_attrs[count] = class_device_attr_vport_##field; \
+ if (!i->f->set_vport_##field) { \
+ i->private_vport_attrs[count].attr.mode = S_IRUGO; \
+ i->private_vport_attrs[count].store = NULL; \
+ } \
+ i->vport_attrs[count] = &i->private_vport_attrs[count]; \
+ count++
+ /* NOTE: Above MACRO differs: does not check show bit */
+
+#define SETUP_PRIVATE_VPORT_ATTRIBUTE_RW(field) \
+{ \
+ i->private_vport_attrs[count] = class_device_attr_vport_##field; \
+ i->vport_attrs[count] = &i->private_vport_attrs[count]; \
+ count++; \
+}
+
+
+/* The FC Transport Virtual Port Attributes: */
+
+/* Fixed Virtual Port Attributes */
+
+/* Dynamic Virtual Port Attributes */
+
+/* Private Virtual Port Attributes */
+
+fc_private_vport_rd_enum_attr(vport_state, FC_VPORTSTATE_MAX_NAMELEN);
+fc_private_vport_rd_enum_attr(vport_last_state, FC_VPORTSTATE_MAX_NAMELEN);
+fc_private_vport_rd_attr_cast(node_name, "0x%llx\n", 20, unsigned long long);
+fc_private_vport_rd_attr_cast(port_name, "0x%llx\n", 20, unsigned long long);
+
+static ssize_t
+show_fc_vport_roles (struct class_device *cdev, char *buf)
+{
+ struct fc_vport *vport = transport_class_to_vport(cdev);
+
+ if (vport->roles == FC_PORT_ROLE_UNKNOWN)
+ return snprintf(buf, 20, "unknown\n");
+ return get_fc_port_roles_names(vport->roles, buf);
+}
+static FC_CLASS_DEVICE_ATTR(vport, roles, S_IRUGO, show_fc_vport_roles, NULL);
+
+fc_private_vport_rd_enum_attr(vport_type, FC_PORTTYPE_MAX_NAMELEN);
+
+fc_private_vport_show_function(symbolic_name, "%s\n",
+ FC_VPORT_SYMBOLIC_NAMELEN + 1, )
+fc_vport_store_str_function(symbolic_name, FC_VPORT_SYMBOLIC_NAMELEN)
+static FC_CLASS_DEVICE_ATTR(vport, symbolic_name, S_IRUGO | S_IWUSR,
+ show_fc_vport_symbolic_name, store_fc_vport_symbolic_name);
+
+static ssize_t
+store_fc_vport_delete(struct class_device *cdev, const char *buf,
+ size_t count)
+{
+ struct fc_vport *vport = transport_class_to_vport(cdev);
+ struct Scsi_Host *shost = vport_to_shost(vport);
+
+ fc_queue_work(shost, &vport->vport_delete_work);
+ return count;
+}
+static FC_CLASS_DEVICE_ATTR(vport, vport_delete, S_IWUSR,
+ NULL, store_fc_vport_delete);
+
+
+/*
+ * Enable/Disable vport
+ * Write "1" to disable, write "0" to enable
+ */
+static ssize_t
+store_fc_vport_disable(struct class_device *cdev, const char *buf,
+ size_t count)
+{
+ struct fc_vport *vport = transport_class_to_vport(cdev);
+ struct Scsi_Host *shost = vport_to_shost(vport);
+ struct fc_internal *i = to_fc_internal(shost->transportt);
+ int stat;
+
+ if (vport->flags & (FC_VPORT_DEL | FC_VPORT_CREATING))
+ return -EBUSY;
+
+ if (*buf == '0') {
+ if (vport->vport_state != FC_VPORT_DISABLED)
+ return -EALREADY;
+ } else if (*buf == '1') {
+ if (vport->vport_state == FC_VPORT_DISABLED)
+ return -EALREADY;
+ } else
+ return -EINVAL;
+
+ stat = i->f->vport_disable(vport, ((*buf == '0') ? false : true));
+ return stat ? stat : count;
+}
+static FC_CLASS_DEVICE_ATTR(vport, vport_disable, S_IWUSR,
+ NULL, store_fc_vport_disable);
+
+