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-rw-r--r--drivers/Kconfig2
-rw-r--r--drivers/Makefile1
-rw-r--r--drivers/staging/unisys/Kconfig1
-rw-r--r--drivers/staging/unisys/Makefile1
-rw-r--r--drivers/staging/unisys/include/iochannel.h3
-rw-r--r--drivers/staging/unisys/include/visorbus.h344
-rw-r--r--drivers/staging/unisys/visorhba/visorhba_main.c2
-rw-r--r--drivers/staging/unisys/visorinput/visorinput.c2
-rw-r--r--drivers/staging/unisys/visornic/visornic_main.c2
-rw-r--r--drivers/visorbus/Kconfig (renamed from drivers/staging/unisys/visorbus/Kconfig)1
-rw-r--r--drivers/visorbus/Makefile (renamed from drivers/staging/unisys/visorbus/Makefile)2
-rw-r--r--drivers/visorbus/controlvmchannel.h (renamed from drivers/staging/unisys/visorbus/controlvmchannel.h)3
-rw-r--r--drivers/visorbus/vbuschannel.h (renamed from drivers/staging/unisys/visorbus/vbuschannel.h)2
-rw-r--r--drivers/visorbus/visorbus_main.c (renamed from drivers/staging/unisys/visorbus/visorbus_main.c)2
-rw-r--r--drivers/visorbus/visorbus_private.h (renamed from drivers/staging/unisys/visorbus/visorbus_private.h)2
-rw-r--r--drivers/visorbus/visorchannel.c (renamed from drivers/staging/unisys/visorbus/visorchannel.c)2
-rw-r--r--drivers/visorbus/visorchipset.c (renamed from drivers/staging/unisys/visorbus/visorchipset.c)2
17 files changed, 13 insertions, 361 deletions
diff --git a/drivers/Kconfig b/drivers/Kconfig
index 152744c5ef0f..ef5fb8395d76 100644
--- a/drivers/Kconfig
+++ b/drivers/Kconfig
@@ -211,4 +211,6 @@ source "drivers/mux/Kconfig"
source "drivers/opp/Kconfig"
+source "drivers/visorbus/Kconfig"
+
endmenu
diff --git a/drivers/Makefile b/drivers/Makefile
index e06f7f633f73..7a2330077e47 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -184,3 +184,4 @@ obj-$(CONFIG_FPGA) += fpga/
obj-$(CONFIG_FSI) += fsi/
obj-$(CONFIG_TEE) += tee/
obj-$(CONFIG_MULTIPLEXER) += mux/
+obj-$(CONFIG_UNISYS_VISORBUS) += visorbus/
diff --git a/drivers/staging/unisys/Kconfig b/drivers/staging/unisys/Kconfig
index 4d190389aa6c..c27dab3b610f 100644
--- a/drivers/staging/unisys/Kconfig
+++ b/drivers/staging/unisys/Kconfig
@@ -8,7 +8,6 @@ menuconfig UNISYSSPAR
if UNISYSSPAR
-source "drivers/staging/unisys/visorbus/Kconfig"
source "drivers/staging/unisys/visornic/Kconfig"
source "drivers/staging/unisys/visorinput/Kconfig"
source "drivers/staging/unisys/visorhba/Kconfig"
diff --git a/drivers/staging/unisys/Makefile b/drivers/staging/unisys/Makefile
index 20eb098538d3..e45f44b64202 100644
--- a/drivers/staging/unisys/Makefile
+++ b/drivers/staging/unisys/Makefile
@@ -1,7 +1,6 @@
#
# Makefile for Unisys SPAR drivers
#
-obj-$(CONFIG_UNISYS_VISORBUS) += visorbus/
obj-$(CONFIG_UNISYS_VISORNIC) += visornic/
obj-$(CONFIG_UNISYS_VISORINPUT) += visorinput/
obj-$(CONFIG_UNISYS_VISORHBA) += visorhba/
diff --git a/drivers/staging/unisys/include/iochannel.h b/drivers/staging/unisys/include/iochannel.h
index 9023cf56625d..45c785d80ce4 100644
--- a/drivers/staging/unisys/include/iochannel.h
+++ b/drivers/staging/unisys/include/iochannel.h
@@ -33,8 +33,7 @@
#include <linux/uuid.h>
#include <linux/skbuff.h>
-
-#include "visorbus.h"
+#include <linux/visorbus.h>
/*
* Must increment these whenever you insert or delete fields within this channel
diff --git a/drivers/staging/unisys/include/visorbus.h b/drivers/staging/unisys/include/visorbus.h
deleted file mode 100644
index 0d8bd6769b13..000000000000
--- a/drivers/staging/unisys/include/visorbus.h
+++ /dev/null
@@ -1,344 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright (C) 2010 - 2013 UNISYS CORPORATION
- * All rights reserved.
- */
-
-/*
- * This header file is to be included by other kernel mode components that
- * implement a particular kind of visor_device. Each of these other kernel
- * mode components is called a visor device driver. Refer to visortemplate
- * for a minimal sample visor device driver.
- *
- * There should be nothing in this file that is private to the visorbus
- * bus implementation itself.
- */
-
-#ifndef __VISORBUS_H__
-#define __VISORBUS_H__
-
-#include <linux/device.h>
-
-#define VISOR_CHANNEL_SIGNATURE ('L' << 24 | 'N' << 16 | 'C' << 8 | 'E')
-
-/*
- * enum channel_serverstate
- * @CHANNELSRV_UNINITIALIZED: Channel is in an undefined state.
- * @CHANNELSRV_READY: Channel has been initialized by server.
- */
-enum channel_serverstate {
- CHANNELSRV_UNINITIALIZED = 0,
- CHANNELSRV_READY = 1
-};
-
-/*
- * enum channel_clientstate
- * @CHANNELCLI_DETACHED:
- * @CHANNELCLI_DISABLED: Client can see channel but is NOT allowed to use it
- * unless given TBD* explicit request
- * (should actually be < DETACHED).
- * @CHANNELCLI_ATTACHING: Legacy EFI client request for EFI server to attach.
- * @CHANNELCLI_ATTACHED: Idle, but client may want to use channel any time.
- * @CHANNELCLI_BUSY: Client either wants to use or is using channel.
- * @CHANNELCLI_OWNED: "No worries" state - client can access channel
- * anytime.
- */
-enum channel_clientstate {
- CHANNELCLI_DETACHED = 0,
- CHANNELCLI_DISABLED = 1,
- CHANNELCLI_ATTACHING = 2,
- CHANNELCLI_ATTACHED = 3,
- CHANNELCLI_BUSY = 4,
- CHANNELCLI_OWNED = 5
-};
-
-/*
- * Values for VISOR_CHANNEL_PROTOCOL.Features: This define exists so that
- * a guest can look at the FeatureFlags in the io channel, and configure the
- * driver to use interrupts or not based on this setting. All feature bits for
- * all channels should be defined here. The io channel feature bits are defined
- * below.
- */
-#define VISOR_DRIVER_ENABLES_INTS (0x1ULL << 1)
-#define VISOR_CHANNEL_IS_POLLING (0x1ULL << 3)
-#define VISOR_IOVM_OK_DRIVER_DISABLING_INTS (0x1ULL << 4)
-#define VISOR_DRIVER_DISABLES_INTS (0x1ULL << 5)
-#define VISOR_DRIVER_ENHANCED_RCVBUF_CHECKING (0x1ULL << 6)
-
-/*
- * struct channel_header - Common Channel Header
- * @signature: Signature.
- * @legacy_state: DEPRECATED - being replaced by.
- * @header_size: sizeof(struct channel_header).
- * @size: Total size of this channel in bytes.
- * @features: Flags to modify behavior.
- * @chtype: Channel type: data, bus, control, etc..
- * @partition_handle: ID of guest partition.
- * @handle: Device number of this channel in client.
- * @ch_space_offset: Offset in bytes to channel specific area.
- * @version_id: Struct channel_header Version ID.
- * @partition_index: Index of guest partition.
- * @zone_uuid: Guid of Channel's zone.
- * @cli_str_offset: Offset from channel header to null-terminated
- * ClientString (0 if ClientString not present).
- * @cli_state_boot: CHANNEL_CLIENTSTATE of pre-boot EFI client of this
- * channel.
- * @cmd_state_cli: CHANNEL_COMMANDSTATE (overloaded in Windows drivers, see
- * ServerStateUp, ServerStateDown, etc).
- * @cli_state_os: CHANNEL_CLIENTSTATE of Guest OS client of this channel.
- * @ch_characteristic: CHANNEL_CHARACTERISTIC_<xxx>.
- * @cmd_state_srv: CHANNEL_COMMANDSTATE (overloaded in Windows drivers, see
- * ServerStateUp, ServerStateDown, etc).
- * @srv_state: CHANNEL_SERVERSTATE.
- * @cli_error_boot: Bits to indicate err states for boot clients, so err
- * messages can be throttled.
- * @cli_error_os: Bits to indicate err states for OS clients, so err
- * messages can be throttled.
- * @filler: Pad out to 128 byte cacheline.
- * @recover_channel: Please add all new single-byte values below here.
- */
-struct channel_header {
- u64 signature;
- u32 legacy_state;
- /* SrvState, CliStateBoot, and CliStateOS below */
- u32 header_size;
- u64 size;
- u64 features;
- guid_t chtype;
- u64 partition_handle;
- u64 handle;
- u64 ch_space_offset;
- u32 version_id;
- u32 partition_index;
- guid_t zone_guid;
- u32 cli_str_offset;
- u32 cli_state_boot;
- u32 cmd_state_cli;
- u32 cli_state_os;
- u32 ch_characteristic;
- u32 cmd_state_srv;
- u32 srv_state;
- u8 cli_error_boot;
- u8 cli_error_os;
- u8 filler[1];
- u8 recover_channel;
-} __packed;
-
-#define VISOR_CHANNEL_ENABLE_INTS (0x1ULL << 0)
-
-/*
- * struct signal_queue_header - Subheader for the Signal Type variation of the
- * Common Channel.
- * @version: SIGNAL_QUEUE_HEADER Version ID.
- * @chtype: Queue type: storage, network.
- * @size: Total size of this queue in bytes.
- * @sig_base_offset: Offset to signal queue area.
- * @features: Flags to modify behavior.
- * @num_sent: Total # of signals placed in this queue.
- * @num_overflows: Total # of inserts failed due to full queue.
- * @signal_size: Total size of a signal for this queue.
- * @max_slots: Max # of slots in queue, 1 slot is always empty.
- * @max_signals: Max # of signals in queue (MaxSignalSlots-1).
- * @head: Queue head signal #.
- * @num_received: Total # of signals removed from this queue.
- * @tail: Queue tail signal.
- * @reserved1: Reserved field.
- * @reserved2: Reserved field.
- * @client_queue:
- * @num_irq_received: Total # of Interrupts received. This is incremented by the
- * ISR in the guest windows driver.
- * @num_empty: Number of times that visor_signal_remove is called and
- * returned Empty Status.
- * @errorflags: Error bits set during SignalReinit to denote trouble with
- * client's fields.
- * @filler: Pad out to 64 byte cacheline.
- */
-struct signal_queue_header {
- /* 1st cache line */
- u32 version;
- u32 chtype;
- u64 size;
- u64 sig_base_offset;
- u64 features;
- u64 num_sent;
- u64 num_overflows;
- u32 signal_size;
- u32 max_slots;
- u32 max_signals;
- u32 head;
- /* 2nd cache line */
- u64 num_received;
- u32 tail;
- u32 reserved1;
- u64 reserved2;
- u64 client_queue;
- u64 num_irq_received;
- u64 num_empty;
- u32 errorflags;
- u8 filler[12];
-} __packed;
-
-/* VISORCHANNEL Guids */
-/* {414815ed-c58c-11da-95a9-00e08161165f} */
-#define VISOR_VHBA_CHANNEL_GUID \
- GUID_INIT(0x414815ed, 0xc58c, 0x11da, \
- 0x95, 0xa9, 0x0, 0xe0, 0x81, 0x61, 0x16, 0x5f)
-#define VISOR_VHBA_CHANNEL_GUID_STR \
- "414815ed-c58c-11da-95a9-00e08161165f"
-struct visorchipset_state {
- u32 created:1;
- u32 attached:1;
- u32 configured:1;
- u32 running:1;
- /* Remaining bits in this 32-bit word are reserved. */
-};
-
-/**
- * struct visor_device - A device type for things "plugged" into the visorbus
- * bus
- * @visorchannel: Points to the channel that the device is
- * associated with.
- * @channel_type_guid: Identifies the channel type to the bus driver.
- * @device: Device struct meant for use by the bus driver
- * only.
- * @list_all: Used by the bus driver to enumerate devices.
- * @timer: Timer fired periodically to do interrupt-type
- * activity.
- * @being_removed: Indicates that the device is being removed from
- * the bus. Private bus driver use only.
- * @visordriver_callback_lock: Used by the bus driver to lock when adding and
- * removing devices.
- * @pausing: Indicates that a change towards a paused state.
- * is in progress. Only modified by the bus driver.
- * @resuming: Indicates that a change towards a running state
- * is in progress. Only modified by the bus driver.
- * @chipset_bus_no: Private field used by the bus driver.
- * @chipset_dev_no: Private field used the bus driver.
- * @state: Used to indicate the current state of the
- * device.
- * @inst: Unique GUID for this instance of the device.
- * @name: Name of the device.
- * @pending_msg_hdr: For private use by bus driver to respond to
- * hypervisor requests.
- * @vbus_hdr_info: A pointer to header info. Private use by bus
- * driver.
- * @partition_guid: Indicates client partion id. This should be the
- * same across all visor_devices in the current
- * guest. Private use by bus driver only.
- */
-struct visor_device {
- struct visorchannel *visorchannel;
- guid_t channel_type_guid;
- /* These fields are for private use by the bus driver only. */
- struct device device;
- struct list_head list_all;
- struct timer_list timer;
- bool timer_active;
- bool being_removed;
- struct mutex visordriver_callback_lock; /* synchronize probe/remove */
- bool pausing;
- bool resuming;
- u32 chipset_bus_no;
- u32 chipset_dev_no;
- struct visorchipset_state state;
- guid_t inst;
- u8 *name;
- struct controlvm_message_header *pending_msg_hdr;
- void *vbus_hdr_info;
- guid_t partition_guid;
- struct dentry *debugfs_dir;
- struct dentry *debugfs_bus_info;
-};
-
-#define to_visor_device(x) container_of(x, struct visor_device, device)
-
-typedef void (*visorbus_state_complete_func) (struct visor_device *dev,
- int status);
-
-/*
- * This struct describes a specific visor channel, by providing its GUID, name,
- * and sizes.
- */
-struct visor_channeltype_descriptor {
- const guid_t guid;
- const char *name;
- u64 min_bytes;
- u32 version;
-};
-
-/**
- * struct visor_driver - Information provided by each visor driver when it
- * registers with the visorbus driver
- * @name: Name of the visor driver.
- * @owner: The module owner.
- * @channel_types: Types of channels handled by this driver, ending with
- * a zero GUID. Our specialized BUS.match() method knows
- * about this list, and uses it to determine whether this
- * driver will in fact handle a new device that it has
- * detected.
- * @probe: Called when a new device comes online, by our probe()
- * function specified by driver.probe() (triggered
- * ultimately by some call to driver_register(),
- * bus_add_driver(), or driver_attach()).
- * @remove: Called when a new device is removed, by our remove()
- * function specified by driver.remove() (triggered
- * ultimately by some call to device_release_driver()).
- * @channel_interrupt: Called periodically, whenever there is a possiblity
- * that "something interesting" may have happened to the
- * channel.
- * @pause: Called to initiate a change of the device's state. If
- * the return valu`e is < 0, there was an error and the
- * state transition will NOT occur. If the return value
- * is >= 0, then the state transition was INITIATED
- * successfully, and complete_func() will be called (or
- * was just called) with the final status when either the
- * state transition fails or completes successfully.
- * @resume: Behaves similar to pause.
- * @driver: Private reference to the device driver. For use by bus
- * driver only.
- */
-struct visor_driver {
- const char *name;
- struct module *owner;
- struct visor_channeltype_descriptor *channel_types;
- int (*probe)(struct visor_device *dev);
- void (*remove)(struct visor_device *dev);
- void (*channel_interrupt)(struct visor_device *dev);
- int (*pause)(struct visor_device *dev,
- visorbus_state_complete_func complete_func);
- int (*resume)(struct visor_device *dev,
- visorbus_state_complete_func complete_func);
-
- /* These fields are for private use by the bus driver only. */
- struct device_driver driver;
-};
-
-#define to_visor_driver(x) (container_of(x, struct visor_driver, driver))
-
-int visor_check_channel(struct channel_header *ch, struct device *dev,
- const guid_t *expected_uuid, char *chname,
- u64 expected_min_bytes, u32 expected_version,
- u64 expected_signature);
-
-int visorbus_register_visor_driver(struct visor_driver *drv);
-void visorbus_unregister_visor_driver(struct visor_driver *drv);
-int visorbus_read_channel(struct visor_device *dev,
- unsigned long offset, void *dest,
- unsigned long nbytes);
-int visorbus_write_channel(struct visor_device *dev,
- unsigned long offset, void *src,
- unsigned long nbytes);
-int visorbus_enable_channel_interrupts(struct visor_device *dev);
-void visorbus_disable_channel_interrupts(struct visor_device *dev);
-
-int visorchannel_signalremove(struct visorchannel *channel, u32 queue,
- void *msg);
-int visorchannel_signalinsert(struct visorchannel *channel, u32 queue,
- void *msg);
-bool visorchannel_signalempty(struct visorchannel *channel, u32 queue);
-const guid_t *visorchannel_get_guid(struct visorchannel *channel);
-
-#define BUS_ROOT_DEVICE UINT_MAX
-struct visor_device *visorbus_get_device_by_id(u32 bus_no, u32 dev_no,
- struct visor_device *from);
-#endif
diff --git a/drivers/staging/unisys/visorhba/visorhba_main.c b/drivers/staging/unisys/visorhba/visorhba_main.c
index da650d64695a..167e98f8688e 100644
--- a/drivers/staging/unisys/visorhba/visorhba_main.c
+++ b/drivers/staging/unisys/visorhba/visorhba_main.c
@@ -9,12 +9,12 @@
#include <linux/idr.h>
#include <linux/module.h>
#include <linux/seq_file.h>
+#include <linux/visorbus.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
-#include "visorbus.h"
#include "iochannel.h"
/* The Send and Receive Buffers of the IO Queue may both be full */
diff --git a/drivers/staging/unisys/visorinput/visorinput.c b/drivers/staging/unisys/visorinput/visorinput.c
index dabc5b44208e..d8048e48658f 100644
--- a/drivers/staging/unisys/visorinput/visorinput.c
+++ b/drivers/staging/unisys/visorinput/visorinput.c
@@ -16,8 +16,8 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/uuid.h>
+#include <linux/visorbus.h>
-#include "visorbus.h"
#include "ultrainputreport.h"
/* Keyboard channel {c73416d0-b0b8-44af-b304-9d2ae99f1b3d} */
diff --git a/drivers/staging/unisys/visornic/visornic_main.c b/drivers/staging/unisys/visornic/visornic_main.c
index 112a76ec0628..92dceb557886 100644
--- a/drivers/staging/unisys/visornic/visornic_main.c
+++ b/drivers/staging/unisys/visornic/visornic_main.c
@@ -16,8 +16,8 @@
#include <linux/kthread.h>
#include <linux/skbuff.h>
#include <linux/rtnetlink.h>
+#include <linux/visorbus.h>
-#include "visorbus.h"
#include "iochannel.h"
#define VISORNIC_INFINITE_RSP_WAIT 0
diff --git a/drivers/staging/unisys/visorbus/Kconfig b/drivers/visorbus/Kconfig
index 3866804ed918..1f5812b936d0 100644
--- a/drivers/staging/unisys/visorbus/Kconfig
+++ b/drivers/visorbus/Kconfig
@@ -4,7 +4,6 @@
config UNISYS_VISORBUS
tristate "Unisys visorbus driver"
- depends on UNISYSSPAR
depends on X86_64 && ACPI
---help---
The visorbus driver is a virtualized bus for the Unisys s-Par firmware.
diff --git a/drivers/staging/unisys/visorbus/Makefile b/drivers/visorbus/Makefile
index 784cdc1f9d6a..e8df59d1301f 100644
--- a/drivers/staging/unisys/visorbus/Makefile
+++ b/drivers/visorbus/Makefile
@@ -8,5 +8,3 @@ obj-$(CONFIG_UNISYS_VISORBUS) += visorbus.o
visorbus-y := visorbus_main.o
visorbus-y += visorchannel.o
visorbus-y += visorchipset.o
-
-ccflags-y += -Idrivers/staging/unisys/include
diff --git a/drivers/staging/unisys/visorbus/controlvmchannel.h b/drivers/visorbus/controlvmchannel.h
index b0ae29e505ff..8c57562a070a 100644
--- a/drivers/staging/unisys/visorbus/controlvmchannel.h
+++ b/drivers/visorbus/controlvmchannel.h
@@ -8,8 +8,7 @@
#define __CONTROLVMCHANNEL_H__
#include <linux/uuid.h>
-
-#include "visorbus.h"
+#include <linux/visorbus.h>
/* {2B3C2D10-7EF5-4ad8-B966-3448B7386B3D} */
#define VISOR_CONTROLVM_CHANNEL_GUID \
diff --git a/drivers/staging/unisys/visorbus/vbuschannel.h b/drivers/visorbus/vbuschannel.h
index 622c9d71a04a..b1dce26166bf 100644
--- a/drivers/staging/unisys/visorbus/vbuschannel.h
+++ b/drivers/visorbus/vbuschannel.h
@@ -17,7 +17,7 @@
*/
#include <linux/uuid.h>
-#include "visorbus.h"
+#include <linux/visorbus.h>
/* {193b331b-c58f-11da-95a9-00e08161165f} */
#define VISOR_VBUS_CHANNEL_GUID \
diff --git a/drivers/staging/unisys/visorbus/visorbus_main.c b/drivers/visorbus/visorbus_main.c
index a16715525dc9..0b2434cc4ecd 100644
--- a/drivers/staging/unisys/visorbus/visorbus_main.c
+++ b/drivers/visorbus/visorbus_main.c
@@ -8,9 +8,9 @@
#include <linux/debugfs.h>
#include <linux/module.h>
#include <linux/slab.h>
+#include <linux/visorbus.h>
#include <linux/uuid.h>
-#include "visorbus.h"
#include "visorbus_private.h"
static const guid_t visor_vbus_channel_guid = VISOR_VBUS_CHANNEL_GUID;
diff --git a/drivers/staging/unisys/visorbus/visorbus_private.h b/drivers/visorbus/visorbus_private.h
index e48498fedc49..366380b7f8d9 100644
--- a/drivers/staging/unisys/visorbus/visorbus_private.h
+++ b/drivers/visorbus/visorbus_private.h
@@ -9,10 +9,10 @@
#include <linux/uuid.h>
#include <linux/utsname.h>
+#include <linux/visorbus.h>
#include "controlvmchannel.h"
#include "vbuschannel.h"
-#include "visorbus.h"
struct visor_device *visorbus_get_device_by_id(u32 bus_no, u32 dev_no,
struct visor_device *from);
diff --git a/drivers/staging/unisys/visorbus/visorchannel.c b/drivers/visorbus/visorchannel.c
index f3996a750c3b..bd890e0f456b 100644
--- a/drivers/staging/unisys/visorbus/visorchannel.c
+++ b/drivers/visorbus/visorchannel.c
@@ -12,8 +12,8 @@
#include <linux/uuid.h>
#include <linux/io.h>
#include <linux/slab.h>
+#include <linux/visorbus.h>
-#include "visorbus.h"
#include "visorbus_private.h"
#include "controlvmchannel.h"
diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/visorbus/visorchipset.c
index daff44d7a8c0..ca752b8f495f 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/visorbus/visorchipset.c
@@ -6,8 +6,8 @@
#include <linux/acpi.h>
#include <linux/crash_dump.h>
+#include <linux/visorbus.h>
-#include "visorbus.h"
#include "visorbus_private.h"
/* {72120008-4AAB-11DC-8530-444553544200} */
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