v4.19.13 snapshot.
diff --git a/include/scsi/fcoe_sysfs.h b/include/scsi/fcoe_sysfs.h
new file mode 100644
index 0000000..7e23148
--- /dev/null
+++ b/include/scsi/fcoe_sysfs.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2011-2012 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Maintained at www.Open-FCoE.org
+ */
+
+#ifndef FCOE_SYSFS
+#define FCOE_SYSFS
+
+#include <linux/if_ether.h>
+#include <linux/device.h>
+#include <scsi/fc/fc_fcoe.h>
+
+struct fcoe_ctlr_device;
+struct fcoe_fcf_device;
+
+struct fcoe_sysfs_function_template {
+ void (*get_fcoe_ctlr_link_fail)(struct fcoe_ctlr_device *);
+ void (*get_fcoe_ctlr_vlink_fail)(struct fcoe_ctlr_device *);
+ void (*get_fcoe_ctlr_miss_fka)(struct fcoe_ctlr_device *);
+ void (*get_fcoe_ctlr_symb_err)(struct fcoe_ctlr_device *);
+ void (*get_fcoe_ctlr_err_block)(struct fcoe_ctlr_device *);
+ void (*get_fcoe_ctlr_fcs_error)(struct fcoe_ctlr_device *);
+ void (*set_fcoe_ctlr_mode)(struct fcoe_ctlr_device *);
+ int (*set_fcoe_ctlr_enabled)(struct fcoe_ctlr_device *);
+ void (*get_fcoe_fcf_selected)(struct fcoe_fcf_device *);
+ void (*get_fcoe_fcf_vlan_id)(struct fcoe_fcf_device *);
+};
+
+#define dev_to_ctlr(d) \
+ container_of((d), struct fcoe_ctlr_device, dev)
+
+enum fip_conn_type {
+ FIP_CONN_TYPE_UNKNOWN,
+ FIP_CONN_TYPE_FABRIC,
+ FIP_CONN_TYPE_VN2VN,
+};
+
+enum ctlr_enabled_state {
+ FCOE_CTLR_ENABLED,
+ FCOE_CTLR_DISABLED,
+ FCOE_CTLR_UNUSED,
+};
+
+struct fcoe_ctlr_device {
+ u32 id;
+
+ struct device dev;
+ struct fcoe_sysfs_function_template *f;
+
+ struct list_head fcfs;
+ char work_q_name[20];
+ struct workqueue_struct *work_q;
+ char devloss_work_q_name[20];
+ struct workqueue_struct *devloss_work_q;
+ struct mutex lock;
+
+ int fcf_dev_loss_tmo;
+ enum fip_conn_type mode;
+
+ enum ctlr_enabled_state enabled;
+
+ /* expected in host order for displaying */
+ struct fcoe_fc_els_lesb lesb;
+};
+
+static inline void *fcoe_ctlr_device_priv(const struct fcoe_ctlr_device *ctlr)
+{
+ return (void *)(ctlr + 1);
+}
+
+/* fcf states */
+enum fcf_state {
+ FCOE_FCF_STATE_UNKNOWN,
+ FCOE_FCF_STATE_DISCONNECTED,
+ FCOE_FCF_STATE_CONNECTED,
+ FCOE_FCF_STATE_DELETED,
+};
+
+struct fcoe_fcf_device {
+ u32 id;
+ struct device dev;
+ struct list_head peers;
+ struct work_struct delete_work;
+ struct delayed_work dev_loss_work;
+ u32 dev_loss_tmo;
+ void *priv;
+ enum fcf_state state;
+
+ u64 fabric_name;
+ u64 switch_name;
+ u32 fc_map;
+ u16 vfid;
+ u8 mac[ETH_ALEN];
+ u8 priority;
+ u32 fka_period;
+ u8 selected;
+ u16 vlan_id;
+};
+
+#define dev_to_fcf(d) \
+ container_of((d), struct fcoe_fcf_device, dev)
+/* parentage should never be missing */
+#define fcoe_fcf_dev_to_ctlr_dev(x) \
+ dev_to_ctlr((x)->dev.parent)
+#define fcoe_fcf_device_priv(x) \
+ ((x)->priv)
+
+struct fcoe_ctlr_device *fcoe_ctlr_device_add(struct device *parent,
+ struct fcoe_sysfs_function_template *f,
+ int priv_size);
+void fcoe_ctlr_device_delete(struct fcoe_ctlr_device *);
+struct fcoe_fcf_device *fcoe_fcf_device_add(struct fcoe_ctlr_device *,
+ struct fcoe_fcf_device *);
+void fcoe_fcf_device_delete(struct fcoe_fcf_device *);
+
+int __init fcoe_sysfs_setup(void);
+void __exit fcoe_sysfs_teardown(void);
+
+#endif /* FCOE_SYSFS */