Merge tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-nextgrafted

Pull networking updates from Jakub Kicinski:
 "Core:

   - Add dedicated kmem_cache for typical/small skb->head, avoid having
     to access struct page at kfree time, and improve memory use.

   - Introduce sysctl to set default RPS configuration for new netdevs.

   - Define Netlink protocol specification format which can be used to
     describe messages used by each family and auto-generate parsers.
     Add tools for generating kernel data structures and uAPI headers.

   - Expose all net/core sysctls inside netns.

   - Remove 4s sleep in netpoll if carrier is instantly detected on
     boot.

   - Add configurable limit of MDB entries per port, and port-vlan.

   - Continue populating drop reasons throughout the stack.

   - Retire a handful of legacy Qdiscs and classifiers.

  Protocols:

   - Support IPv4 big TCP (TSO frames larger than 64kB).

   - Add IP_LOCAL_PORT_RANGE socket option, to control local port range
     on socket by socket basis.

   - Track and report in procfs number of MPTCP sockets used.

   - Support mixing IPv4 and IPv6 flows in the in-kernel MPTCP path
     manager.

   - IPv6: don't check net.ipv6.route.max_size and rely on garbage
     collection to free memory (similarly to IPv4).

   - Support Penultimate Segment Pop (PSP) flavor in SRv6 (RFC8986).

   - ICMP: add per-rate limit counters.

   - Add support for user scanning requests in ieee802154.

   - Remove static WEP support.

   - Support minimal Wi-Fi 7 Extremely High Throughput (EHT) rate
     reporting.

   - WiFi 7 EHT channel puncturing support (client & AP).

  BPF:

   - Add a rbtree data structure following the "next-gen data structure"
     precedent set by recently added linked list, that is, by using
     kfunc + kptr instead of adding a new BPF map type.

   - Expose XDP hints via kfuncs with initial support for RX hash and
     timestamp metadata.

   - Add BPF_F_NO_TUNNEL_KEY extension to bpf_skb_set_tunnel_key to
     better support decap on GRE tunnel devices not operating in collect
     metadata.

   - Improve x86 JIT's codegen for PROBE_MEM runtime error checks.

   - Remove the need for trace_printk_lock for bpf_trace_printk and
     bpf_trace_vprintk helpers.

   - Extend libbpf's bpf_tracing.h support for tracing arguments of
     kprobes/uprobes and syscall as a special case.

   - Significantly reduce the search time for module symbols by
     livepatch and BPF.

   - Enable cpumasks to be used as kptrs, which is useful for tracing
     programs tracking which tasks end up running on which CPUs in
     different time intervals.

   - Add support for BPF trampoline on s390x and riscv64.

   - Add capability to export the XDP features supported by the NIC.

   - Add __bpf_kfunc tag for marking kernel functions as kfuncs.

   - Add cgroup.memory=nobpf kernel parameter option to disable BPF
     memory accounting for container environments.

  Netfilter:

   - Remove the CLUSTERIP target. It has been marked as obsolete for
     years, and we still have WARN splats wrt races of the out-of-band
     /proc interface installed by this target.

   - Add 'destroy' commands to nf_tables. They are identical to the
     existing 'delete' commands, but do not return an error if the
     referenced object (set, chain, rule...) did not exist.

  Driver API:

   - Improve cpumask_local_spread() locality to help NICs set the right
     IRQ affinity on AMD platforms.

   - Separate C22 and C45 MDIO bus transactions more clearly.

   - Introduce new DCB table to control DSCP rewrite on egress.

   - Support configuration of Physical Layer Collision Avoidance (PLCA)
     Reconciliation Sublayer (RS) (802.3cg-2019). Modern version of
     shared medium Ethernet.

   - Support for MAC Merge layer (IEEE 802.3-2018 clause 99). Allowing
     preemption of low priority frames by high priority frames.

   - Add support for controlling MACSec offload using netlink SET.

   - Rework devlink instance refcounts to allow registration and
     de-registration under the instance lock. Split the code into
     multiple files, drop some of the unnecessarily granular locks and
     factor out common parts of netlink operation handling.

   - Add TX frame aggregation parameters (for USB drivers).

   - Add a new attr TCA_EXT_WARN_MSG to report TC (offload) warning
     messages with notifications for debug.

   - Allow offloading of UDP NEW connections via act_ct.

   - Add support for per action HW stats in TC.

   - Support hardware miss to TC action (continue processing in SW from
     a specific point in the action chain).

   - Warn if old Wireless Extension user space interface is used with
     modern cfg80211/mac80211 drivers. Do not support Wireless
     Extensions for Wi-Fi 7 devices at all. Everyone should switch to
     using nl80211 interface instead.

   - Improve the CAN bit timing configuration. Use extack to return
     error messages directly to user space, update the SJW handling,
     including the definition of a new default value that will benefit
     CAN-FD controllers, by increasing their oscillator tolerance.

  New hardware / drivers:

   - Ethernet:
      - nVidia BlueField-3 support (control traffic driver)
      - Ethernet support for imx93 SoCs
      - Motorcomm yt8531 gigabit Ethernet PHY
      - onsemi NCN26000 10BASE-T1S PHY (with support for PLCA)
      - Microchip LAN8841 PHY (incl. cable diagnostics and PTP)
      - Amlogic gxl MDIO mux

   - WiFi:
      - RealTek RTL8188EU (rtl8xxxu)
      - Qualcomm Wi-Fi 7 devices (ath12k)

   - CAN:
      - Renesas R-Car V4H

  Drivers:

   - Bluetooth:
      - Set Per Platform Antenna Gain (PPAG) for Intel controllers.

   - Ethernet NICs:
      - Intel (1G, igc):
         - support TSN / Qbv / packet scheduling features of i226 model
      - Intel (100G, ice):
         - use GNSS subsystem instead of TTY
         - multi-buffer XDP support
         - extend support for GPIO pins to E823 devices
      - nVidia/Mellanox:
         - update the shared buffer configuration on PFC commands
         - implement PTP adjphase function for HW offset control
         - TC support for Geneve and GRE with VF tunnel offload
         - more efficient crypto key management method
         - multi-port eswitch support
      - Netronome/Corigine:
         - add DCB IEEE support
         - support IPsec offloading for NFP3800
      - Freescale/NXP (enetc):
         - support XDP_REDIRECT for XDP non-linear buffers
         - improve reconfig, avoid link flap and waiting for idle
         - support MAC Merge layer
      - Other NICs:
         - sfc/ef100: add basic devlink support for ef100
         - ionic: rx_push mode operation (writing descriptors via MMIO)
         - bnxt: use the auxiliary bus abstraction for RDMA
         - r8169: disable ASPM and reset bus in case of tx timeout
         - cpsw: support QSGMII mode for J721e CPSW9G
         - cpts: support pulse-per-second output
         - ngbe: add an mdio bus driver
         - usbnet: optimize usbnet_bh() by avoiding unnecessary queuing
         - r8152: handle devices with FW with NCM support
         - amd-xgbe: support 10Mbps, 2.5GbE speeds and rx-adaptation
         - virtio-net: support multi buffer XDP
         - virtio/vsock: replace virtio_vsock_pkt with sk_buff
         - tsnep: XDP support

   - Ethernet high-speed switches:
      - nVidia/Mellanox (mlxsw):
         - add support for latency TLV (in FW control messages)
      - Microchip (sparx5):
         - separate explicit and implicit traffic forwarding rules, make
           the implicit rules always active
         - add support for egress DSCP rewrite
         - IS0 VCAP support (Ingress Classification)
         - IS2 VCAP filters (protos, L3 addrs, L4 ports, flags, ToS
           etc.)
         - ES2 VCAP support (Egress Access Control)
         - support for Per-Stream Filtering and Policing (802.1Q,
           8.6.5.1)

   - Ethernet embedded switches:
      - Marvell (mv88e6xxx):
         - add MAB (port auth) offload support
         - enable PTP receive for mv88e6390
      - NXP (ocelot):
         - support MAC Merge layer
         - support for the the vsc7512 internal copper phys
      - Microchip:
         - lan9303: convert to PHYLINK
         - lan966x: support TC flower filter statistics
         - lan937x: PTP support for KSZ9563/KSZ8563 and LAN937x
         - lan937x: support Credit Based Shaper configuration
         - ksz9477: support Energy Efficient Ethernet
      - other:
         - qca8k: convert to regmap read/write API, use bulk operations
         - rswitch: Improve TX timestamp accuracy

   - Intel WiFi (iwlwifi):
      - EHT (Wi-Fi 7) rate reporting
      - STEP equalizer support: transfer some STEP (connection to radio
        on platforms with integrated wifi) related parameters from the
        BIOS to the firmware.

   - Qualcomm 802.11ax WiFi (ath11k):
      - IPQ5018 support
      - Fine Timing Measurement (FTM) responder role support
      - channel 177 support

   - MediaTek WiFi (mt76):
      - per-PHY LED support
      - mt7996: EHT (Wi-Fi 7) support
      - Wireless Ethernet Dispatch (WED) reset support
      - switch to using page pool allocator

   - RealTek WiFi (rtw89):
      - support new version of Bluetooth co-existance

   - Mobile:
      - rmnet: support TX aggregation"

* tag 'net-next-6.3' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next: (1872 commits)
  page_pool: add a comment explaining the fragment counter usage
  net: ethtool: fix __ethtool_dev_mm_supported() implementation
  ethtool: pse-pd: Fix double word in comments
  xsk: add linux/vmalloc.h to xsk.c
  sefltests: netdevsim: wait for devlink instance after netns removal
  selftest: fib_tests: Always cleanup before exit
  net/mlx5e: Align IPsec ASO result memory to be as required by hardware
  net/mlx5e: TC, Set CT miss to the specific ct action instance
  net/mlx5e: Rename CHAIN_TO_REG to MAPPED_OBJ_TO_REG
  net/mlx5: Refactor tc miss handling to a single function
  net/mlx5: Kconfig: Make tc offload depend on tc skb extension
  net/sched: flower: Support hardware miss to tc action
  net/sched: flower: Move filter handle initialization earlier
  net/sched: cls_api: Support hardware miss to tc action
  net/sched: Rename user cookie and act cookie
  sfc: fix builds without CONFIG_RTC_LIB
  sfc: clean up some inconsistent indentings
  net/mlx4_en: Introduce flexible array to silence overflow warning
  net: lan966x: Fix possible deadlock inside PTP
  net/ulp: Remove redundant ->clone() test in inet_clone_ulp().
  ...

1 files changed, 907 insertions, 0 deletions

diff --git a/Documentation/scsi/arcmsr_spec.rst b/Documentation/scsi/arcmsr_spec.rst
new file mode 100644
index 000000000..83dd53bcf
--- /dev/null
+++ b/Documentation/scsi/arcmsr_spec.rst
@@ -0,0 +1,907 @@
+ARECA FIRMWARE SPEC
+===================
+
+Usage of IOP331 adapter
+=======================
+
+(All In/Out is in IOP331's view)
+
+1. Message 0
+------------
+
+- InitThread message and return code
+
+2. Doorbell is used for RS-232 emulation
+----------------------------------------
+
+inDoorBell
+    bit0
+	data in ready
+	zDRIVER DATA WRITE OK)
+    bit1
+	data out has been read
+	(DRIVER DATA READ OK)
+
+outDooeBell:
+    bit0
+	data out ready
+	(IOP331 DATA WRITE OK)
+    bit1
+	data in has been read
+	(IOP331 DATA READ OK)
+
+3. Index Memory Usage
+---------------------
+
+============   ==========================================
+offset 0xf00   for RS232 out (request buffer)
+offset 0xe00   for RS232 in  (scratch buffer)
+offset 0xa00   for inbound message code message_rwbuffer
+	       (driver send to IOP331)
+offset 0xa00   for outbound message code message_rwbuffer
+	       (IOP331 send to driver)
+============   ==========================================
+
+4. RS-232 emulation
+-------------------
+
+Currently 128 byte buffer is used:
+
+============   =====================
+1st uint32_t   Data length (1--124)
+Byte 4--127    Max 124 bytes of data
+============   =====================
+
+5. PostQ
+--------
+
+All SCSI Command must be sent through postQ:
+
+    (inbound queue port)
+	Request frame must be 32 bytes aligned:
+
+	    #bit27--bit31
+		flag for post ccb
+	    #bit0--bit26
+		real address (bit27--bit31) of post arcmsr_cdb
+
+		=====   ===================
+		bit31   ==  ===============
+			0   256 bytes frame
+			1   512 bytes frame
+			==  ===============
+		bit30   ==  ==============
+			0   normal request
+			1   BIOS request
+			==  ==============
+		bit29   reserved
+		bit28   reserved
+		bit27   reserved
+		=====   ===================
+
+    (outbount queue port)
+	Request reply:
+
+	    #bit27--bit31
+		    flag for reply
+	    #bit0--bit26
+		    real address (bit27--bit31) of reply arcmsr_cdb
+
+		    =====   =======================================================
+		    bit31   must be 0 (for this type of reply)
+		    bit30   reserved for BIOS handshake
+		    bit29   reserved
+		    bit28   ==  ===================================================
+			    0   no error, ignore AdapStatus/DevStatus/SenseData
+			    1   Error, error code in AdapStatus/DevStatus/SenseData
+			    ==  ===================================================
+		    bit27   reserved
+		    =====   =======================================================
+
+6. BIOS request
+---------------
+
+All BIOS request is the same with request from PostQ
+
+Except:
+
+Request frame is sent from configuration space:
+
+	============   ==========================
+	offset: 0x78   Request Frame (bit30 == 1)
+	offset: 0x18   writeonly to generate
+		       IRQ to IOP331
+	============   ==========================
+
+Completion of request::
+
+	(bit30 == 0, bit28==err flag)
+
+7. Definition of SGL entry (structure)
+--------------------------------------
+
+8. Message1 Out - Diag Status Code (????)
+-----------------------------------------
+
+9. Message0 message code
+------------------------
+
+======  =================================================================
+0x00    NOP
+0x01    Get Config
+	->offset 0xa00 :for outbound message code message_rwbuffer
+	(IOP331 send to driver)
+
+	===================== ==========================================
+	Signature             0x87974060(4)
+	Request len           0x00000200(4)
+	numbers of queue      0x00000100(4)
+	SDRAM Size            0x00000100(4)-->256 MB
+	IDE Channels          0x00000008(4)
+	vendor                40 bytes char
+	model                 8 bytes char
+	FirmVer               16 bytes char
+	Device Map            16 bytes char
+	FirmwareVersion       DWORD
+
+			      - Added for checking of
+				new firmware capability
+	===================== ==========================================
+0x02    Set Config
+	->offset 0xa00 :for inbound message code message_rwbuffer
+	(driver send to IOP331)
+
+	========================= ==================
+	Signature                 0x87974063(4)
+	UPPER32 of Request Frame  (4)-->Driver Only
+	========================= ==================
+0x03    Reset (Abort all queued Command)
+0x04    Stop Background Activity
+0x05    Flush Cache
+0x06    Start Background Activity
+	(re-start if background is halted)
+0x07    Check If Host Command Pending
+	(Novell May Need This Function)
+0x08    Set controller time
+	->offset 0xa00   for inbound message code message_rwbuffer
+	(driver to IOP331)
+
+	======   ==================
+	byte 0   0xaa <-- signature
+	byte 1   0x55 <-- signature
+	byte 2   year (04)
+	byte 3   month (1..12)
+	byte 4   date (1..31)
+	byte 5   hour (0..23)
+	byte 6   minute (0..59)
+	byte 7   second (0..59)
+	======   ==================
+======  =================================================================
+
+
+RS-232 Interface for Areca Raid Controller
+==========================================
+
+      The low level command interface is exclusive with VT100 terminal
+
+1. Sequence of command execution
+--------------------------------
+
+	(A) Header
+		3 bytes sequence (0x5E, 0x01, 0x61)
+
+	(B) Command block
+		variable length of data including length,
+		command code, data and checksum byte
+
+	(C) Return data
+		variable length of data
+
+2. Command block
+----------------
+
+	(A) 1st byte
+		command block length (low byte)
+
+	(B) 2nd byte
+		command block length (high byte)
+
+		.. Note:: command block length shouldn't > 2040 bytes,
+			  length excludes these two bytes
+
+	(C) 3rd byte
+		command code
+
+	(D) 4th and following bytes
+		variable length data bytes
+
+	    depends on command code
+
+	(E) last byte
+	    checksum byte (sum of 1st byte until last data byte)
+
+3. Command code and associated data
+-----------------------------------
+
+The following are command code defined in raid controller Command
+code 0x10--0x1? are used for system level management,
+no password checking is needed and should be implemented in separate
+well controlled utility and not for end user access.
+Command code 0x20--0x?? always check the password,
+password must be entered to enable these command::
+
+	enum
+	{
+		GUI_SET_SERIAL=0x10,
+		GUI_SET_VENDOR,
+		GUI_SET_MODEL,
+		GUI_IDENTIFY,
+		GUI_CHECK_PASSWORD,
+		GUI_LOGOUT,
+		GUI_HTTP,
+		GUI_SET_ETHERNET_ADDR,
+		GUI_SET_LOGO,
+		GUI_POLL_EVENT,
+		GUI_GET_EVENT,
+		GUI_GET_HW_MONITOR,
+		//    GUI_QUICK_CREATE=0x20, (function removed)
+		GUI_GET_INFO_R=0x20,
+		GUI_GET_INFO_V,
+		GUI_GET_INFO_P,
+		GUI_GET_INFO_S,
+		GUI_CLEAR_EVENT,
+		GUI_MUTE_BEEPER=0x30,
+		GUI_BEEPER_SETTING,
+		GUI_SET_PASSWORD,
+		GUI_HOST_INTERFACE_MODE,
+		GUI_REBUILD_PRIORITY,
+		GUI_MAX_ATA_MODE,
+		GUI_RESET_CONTROLLER,
+		GUI_COM_PORT_SETTING,
+		GUI_NO_OPERATION,
+		GUI_DHCP_IP,
+		GUI_CREATE_PASS_THROUGH=0x40,
+		GUI_MODIFY_PASS_THROUGH,
+		GUI_DELETE_PASS_THROUGH,
+		GUI_IDENTIFY_DEVICE,
+		GUI_CREATE_RAIDSET=0x50,
+		GUI_DELETE_RAIDSET,
+		GUI_EXPAND_RAIDSET,
+		GUI_ACTIVATE_RAIDSET,
+		GUI_CREATE_HOT_SPARE,
+		GUI_DELETE_HOT_SPARE,
+		GUI_CREATE_VOLUME=0x60,
+		GUI_MODIFY_VOLUME,
+		GUI_DELETE_VOLUME,
+		GUI_START_CHECK_VOLUME,
+		GUI_STOP_CHECK_VOLUME
+	};
+
+Command description
+^^^^^^^^^^^^^^^^^^^
+
+GUI_SET_SERIAL
+	Set the controller serial#
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x10
+	byte 3            password length (should be 0x0f)
+	byte 4-0x13       should be "ArEcATecHnoLogY"
+	byte 0x14--0x23   Serial number string (must be 16 bytes)
+	================  =============================================
+
+GUI_SET_VENDOR
+	Set vendor string for the controller
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x11
+	byte 3            password length (should be 0x08)
+	byte 4-0x13       should be "ArEcAvAr"
+	byte 0x14--0x3B   vendor string (must be 40 bytes)
+	================  =============================================
+
+GUI_SET_MODEL
+	Set the model name of the controller
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x12
+	byte 3            password length (should be 0x08)
+	byte 4-0x13       should be "ArEcAvAr"
+	byte 0x14--0x1B   model string (must be 8 bytes)
+	================  =============================================
+
+GUI_IDENTIFY
+	Identify device
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x13
+			    return "Areca RAID Subsystem "
+	================  =============================================
+
+GUI_CHECK_PASSWORD
+	Verify password
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x14
+	byte 3            password length
+	byte 4-0x??       user password to be checked
+	================  =============================================
+
+GUI_LOGOUT
+	Logout GUI (force password checking on next command)
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x15
+	================  =============================================
+
+GUI_HTTP
+	HTTP interface (reserved for Http proxy service)(0x16)
+
+GUI_SET_ETHERNET_ADDR
+	Set the ethernet MAC address
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x17
+	byte 3            password length (should be 0x08)
+	byte 4-0x13       should be "ArEcAvAr"
+	byte 0x14--0x19   Ethernet MAC address (must be 6 bytes)
+	================  =============================================
+
+GUI_SET_LOGO
+	Set logo in HTTP
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x18
+	byte 3            Page# (0/1/2/3) (0xff --> clear OEM logo)
+	byte 4/5/6/7      0x55/0xaa/0xa5/0x5a
+	byte 8            TITLE.JPG data (each page must be 2000 bytes)
+
+			  .. Note:: page0 1st 2 byte must be
+				    actual length of the JPG file
+	================  =============================================
+
+GUI_POLL_EVENT
+	Poll If Event Log Changed
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x19
+	================  =============================================
+
+GUI_GET_EVENT
+	Read Event
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x1a
+	byte 3            Event Page (0:1st page/1/2/3:last page)
+	================  =============================================
+
+GUI_GET_HW_MONITOR
+	Get HW monitor data
+
+	================  =============================================
+	byte 0,1          length
+	byte 2 		  command code 0x1b
+	byte 3 		  # of FANs(example 2)
+	byte 4 		  # of Voltage sensor(example 3)
+	byte 5 		  # of temperature sensor(example 2)
+	byte 6 		  # of power
+	byte 7/8          Fan#0 (RPM)
+	byte 9/10         Fan#1
+	byte 11/12 	  Voltage#0 original value in ``*1000``
+	byte 13/14 	  Voltage#0 value
+	byte 15/16 	  Voltage#1 org
+	byte 17/18 	  Voltage#1
+	byte 19/20 	  Voltage#2 org
+	byte 21/22 	  Voltage#2
+	byte 23 	  Temp#0
+	byte 24 	  Temp#1
+	byte 25 	  Power indicator (bit0   power#0,
+			  bit1   power#1)
+	byte 26 	  UPS indicator
+	================  =============================================
+
+GUI_QUICK_CREATE
+	Quick create raid/volume set
+
+	================  ==============================================
+	byte 0,1       	  length
+	byte 2         	  command code 0x20
+	byte 3/4/5/6   	  raw capacity
+	byte 7 		  raid level
+	byte 8 		  stripe size
+	byte 9 		  spare
+	byte 10/11/12/13  device mask (the devices to create raid/volume)
+	================  ==============================================
+
+    This function is removed, application like
+    to implement quick create function
+
+    need to use GUI_CREATE_RAIDSET and GUI_CREATE_VOLUMESET function.
+
+GUI_GET_INFO_R
+	Get Raid Set Information
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x20
+	byte 3            raidset#
+	================  =============================================
+
+	::
+
+	    typedef struct sGUI_RAIDSET
+	    {
+		    BYTE grsRaidSetName[16];
+		    DWORD grsCapacity;
+		    DWORD grsCapacityX;
+		    DWORD grsFailMask;
+		    BYTE grsDevArray[32];
+		    BYTE grsMemberDevices;
+		    BYTE grsNewMemberDevices;
+		    BYTE grsRaidState;
+		    BYTE grsVolumes;
+		    BYTE grsVolumeList[16];
+		    BYTE grsRes1;
+		    BYTE grsRes2;
+		    BYTE grsRes3;
+		    BYTE grsFreeSegments;
+		    DWORD grsRawStripes[8];
+		    DWORD grsRes4;
+		    DWORD grsRes5; //     Total to 128 bytes
+		    DWORD grsRes6; //     Total to 128 bytes
+	    } sGUI_RAIDSET, *pGUI_RAIDSET;
+
+GUI_GET_INFO_V
+	Get Volume Set Information
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x21
+	byte 3            volumeset#
+	================  =============================================
+
+	::
+
+	    typedef struct sGUI_VOLUMESET
+	    {
+		    BYTE gvsVolumeName[16]; //     16
+		    DWORD gvsCapacity;
+		    DWORD gvsCapacityX;
+		    DWORD gvsFailMask;
+		    DWORD gvsStripeSize;
+		    DWORD gvsNewFailMask;
+		    DWORD gvsNewStripeSize;
+		    DWORD gvsVolumeStatus;
+		    DWORD gvsProgress; //     32
+		    sSCSI_ATTR gvsScsi;
+		    BYTE gvsMemberDisks;
+		    BYTE gvsRaidLevel; //     8
+		    BYTE gvsNewMemberDisks;
+		    BYTE gvsNewRaidLevel;
+		    BYTE gvsRaidSetNumber;
+		    BYTE gvsRes0; //     4
+		    BYTE gvsRes1[4]; //     64 bytes
+	    } sGUI_VOLUMESET, *pGUI_VOLUMESET;
+
+GUI_GET_INFO_P
+	Get Physical Drive Information
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x22
+	byte 3            drive # (from 0 to max-channels - 1)
+	================  =============================================
+
+	::
+
+	    typedef struct sGUI_PHY_DRV
+	    {
+		    BYTE gpdModelName[40];
+		    BYTE gpdSerialNumber[20];
+		    BYTE gpdFirmRev[8];
+		    DWORD gpdCapacity;
+		    DWORD gpdCapacityX; //     Reserved for expansion
+		    BYTE gpdDeviceState;
+		    BYTE gpdPioMode;
+		    BYTE gpdCurrentUdmaMode;
+		    BYTE gpdUdmaMode;
+		    BYTE gpdDriveSelect;
+		    BYTE gpdRaidNumber; //     0xff if not belongs to a raid set
+		    sSCSI_ATTR gpdScsi;
+		    BYTE gpdReserved[40]; //     Total to 128 bytes
+	    } sGUI_PHY_DRV, *pGUI_PHY_DRV;
+
+GUI_GET_INFO_S
+	Get System Information
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x23
+	================  =============================================
+
+	::
+
+	    typedef struct sCOM_ATTR
+	    {
+		    BYTE comBaudRate;
+		    BYTE comDataBits;
+		    BYTE comStopBits;
+		    BYTE comParity;
+		    BYTE comFlowControl;
+	    } sCOM_ATTR, *pCOM_ATTR;
+	    typedef struct sSYSTEM_INFO
+	    {
+		    BYTE gsiVendorName[40];
+		    BYTE gsiSerialNumber[16];
+		    BYTE gsiFirmVersion[16];
+		    BYTE gsiBootVersion[16];
+		    BYTE gsiMbVersion[16];
+		    BYTE gsiModelName[8];
+		    BYTE gsiLocalIp[4];
+		    BYTE gsiCurrentIp[4];
+		    DWORD gsiTimeTick;
+		    DWORD gsiCpuSpeed;
+		    DWORD gsiICache;
+		    DWORD gsiDCache;
+		    DWORD gsiScache;
+		    DWORD gsiMemorySize;
+		    DWORD gsiMemorySpeed;
+		    DWORD gsiEvents;
+		    BYTE gsiMacAddress[6];
+		    BYTE gsiDhcp;
+		    BYTE gsiBeeper;
+		    BYTE gsiChannelUsage;
+		    BYTE gsiMaxAtaMode;
+		    BYTE gsiSdramEcc; //     1:if ECC enabled
+		    BYTE gsiRebuildPriority;
+		    sCOM_ATTR gsiComA; //     5 bytes
+		    sCOM_ATTR gsiComB; //     5 bytes
+		    BYTE gsiIdeChannels;
+		    BYTE gsiScsiHostChannels;
+		    BYTE gsiIdeHostChannels;
+		    BYTE gsiMaxVolumeSet;
+		    BYTE gsiMaxRaidSet;
+		    BYTE gsiEtherPort; //     1:if ether net port supported
+		    BYTE gsiRaid6Engine; //     1:Raid6 engine supported
+		    BYTE gsiRes[75];
+	    } sSYSTEM_INFO, *pSYSTEM_INFO;
+
+GUI_CLEAR_EVENT
+	Clear System Event
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x24
+	================  =============================================
+
+GUI_MUTE_BEEPER
+	Mute current beeper
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x30
+	================  =============================================
+GUI_BEEPER_SETTING
+	Disable beeper
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x31
+	byte 3            0->disable, 1->enable
+	================  =============================================
+
+GUI_SET_PASSWORD
+	Change password
+
+	================  =============================================
+	byte 0,1          length
+	byte 2 		  command code 0x32
+	byte 3 		  pass word length ( must <= 15 )
+	byte 4 		  password (must be alpha-numerical)
+	================  =============================================
+
+GUI_HOST_INTERFACE_MODE
+	Set host interface mode
+
+	================  =============================================
+	byte 0,1          length
+	byte 2 		  command code 0x33
+	byte 3 		  0->Independent, 1->cluster
+	================  =============================================
+
+GUI_REBUILD_PRIORITY
+	Set rebuild priority
+
+	================  =============================================
+	byte 0,1          length
+	byte 2 		  command code 0x34
+	byte 3 		  0/1/2/3 (low->high)
+	================  =============================================
+
+GUI_MAX_ATA_MODE
+	Set maximum ATA mode to be used
+
+	================  =============================================
+	byte 0,1          length
+	byte 2 		  command code 0x35
+	byte 3 		  0/1/2/3 (133/100/66/33)
+	================  =============================================
+
+GUI_RESET_CONTROLLER
+	Reset Controller
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x36
+			  * Response with VT100 screen (discard it)
+	================  =============================================
+
+GUI_COM_PORT_SETTING
+	COM port setting
+
+	================  =================================================
+	byte 0,1	  length
+	byte 2 		  command code 0x37
+	byte 3 		  0->COMA (term port),
+			  1->COMB (debug port)
+	byte 4 		  0/1/2/3/4/5/6/7
+			  (1200/2400/4800/9600/19200/38400/57600/115200)
+	byte 5 		  data bit
+			  (0:7 bit, 1:8 bit   must be 8 bit)
+	byte 6 		  stop bit (0:1, 1:2 stop bits)
+	byte 7 		  parity (0:none, 1:off, 2:even)
+	byte 8 		  flow control
+			  (0:none, 1:xon/xoff, 2:hardware => must use none)
+	================  =================================================
+
+GUI_NO_OPERATION
+	No operation
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x38
+	================  =============================================
+
+GUI_DHCP_IP
+	Set DHCP option and local IP address
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x39
+	byte 3            0:dhcp disabled, 1:dhcp enabled
+	byte 4/5/6/7      IP address
+	================  =============================================
+
+GUI_CREATE_PASS_THROUGH
+	Create pass through disk
+
+	================  =============================================
+	byte 0,1          length
+	byte 2 		  command code 0x40
+	byte 3 		  device #
+	byte 4 		  scsi channel (0/1)
+	byte 5 		  scsi id (0-->15)
+	byte 6 		  scsi lun (0-->7)
+	byte 7 		  tagged queue (1   enabled)
+	byte 8 		  cache mode (1   enabled)
+	byte 9 		  max speed (0/1/2/3/4,
+			  async/20/40/80/160 for scsi)
+			  (0/1/2/3/4, 33/66/100/133/150 for ide  )
+	================  =============================================
+
+GUI_MODIFY_PASS_THROUGH
+	Modify pass through disk
+
+	================  =============================================
+	byte 0,1          length
+	byte 2 		  command code 0x41
+	byte 3 		  device #
+	byte 4 		  scsi channel (0/1)
+	byte 5 		  scsi id (0-->15)
+	byte 6 		  scsi lun (0-->7)
+	byte 7 		  tagged queue (1   enabled)
+	byte 8 		  cache mode (1   enabled)
+	byte 9 		  max speed (0/1/2/3/4,
+			  async/20/40/80/160 for scsi)
+			  (0/1/2/3/4, 33/66/100/133/150 for ide  )
+	================  =============================================
+
+GUI_DELETE_PASS_THROUGH
+	Delete pass through disk
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x42
+	byte 3            device# to be deleted
+	================  =============================================
+GUI_IDENTIFY_DEVICE
+	Identify Device
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x43
+	byte 3            Flash Method
+			  (0:flash selected, 1:flash not selected)
+	byte 4/5/6/7      IDE device mask to be flashed
+			  .. Note:: no response data available
+	================  =============================================
+
+GUI_CREATE_RAIDSET
+	Create Raid Set
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x50
+	byte 3/4/5/6      device mask
+	byte 7-22         raidset name (if byte 7 == 0:use default)
+	================  =============================================
+
+GUI_DELETE_RAIDSET
+	Delete Raid Set
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x51
+	byte 3            raidset#
+	================  =============================================
+
+GUI_EXPAND_RAIDSET
+	Expand Raid Set
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x52
+	byte 3            raidset#
+	byte 4/5/6/7      device mask for expansion
+	byte 8/9/10       (8:0 no change, 1 change, 0xff:terminate,
+			  9:new raid level,
+			  10:new stripe size
+			  0/1/2/3/4/5->4/8/16/32/64/128K )
+	byte 11/12/13     repeat for each volume in the raidset
+	================  =============================================
+
+GUI_ACTIVATE_RAIDSET
+	Activate incomplete raid set
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x53
+	byte 3            raidset#
+	================  =============================================
+
+GUI_CREATE_HOT_SPARE
+	Create hot spare disk
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x54
+	byte 3/4/5/6      device mask for hot spare creation
+	================  =============================================
+
+GUI_DELETE_HOT_SPARE
+	Delete hot spare disk
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x55
+	byte 3/4/5/6      device mask for hot spare deletion
+	================  =============================================
+
+GUI_CREATE_VOLUME
+	Create volume set
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x60
+	byte 3            raidset#
+	byte 4-19         volume set name
+			  (if byte4 == 0, use default)
+	byte 20-27        volume capacity (blocks)
+	byte 28 	  raid level
+	byte 29 	  stripe size
+			  (0/1/2/3/4/5->4/8/16/32/64/128K)
+	byte 30 	  channel
+	byte 31 	  ID
+	byte 32 	  LUN
+	byte 33 	  1 enable tag
+	byte 34 	  1 enable cache
+	byte 35 	  speed
+			  (0/1/2/3/4->async/20/40/80/160 for scsi)
+			  (0/1/2/3/4->33/66/100/133/150 for IDE  )
+	byte 36 	  1 to select quick init
+	================  =============================================
+
+GUI_MODIFY_VOLUME
+	Modify volume Set
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x61
+	byte 3            volumeset#
+	byte 4-19         new volume set name
+			  (if byte4 == 0, not change)
+	byte 20-27        new volume capacity (reserved)
+	byte 28 	  new raid level
+	byte 29 	  new stripe size
+			  (0/1/2/3/4/5->4/8/16/32/64/128K)
+	byte 30 	  new channel
+	byte 31 	  new ID
+	byte 32 	  new LUN
+	byte 33 	  1 enable tag
+	byte 34 	  1 enable cache
+	byte 35 	  speed
+			  (0/1/2/3/4->async/20/40/80/160 for scsi)
+			  (0/1/2/3/4->33/66/100/133/150 for IDE  )
+	================  =============================================
+
+GUI_DELETE_VOLUME
+	Delete volume set
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x62
+	byte 3            volumeset#
+	================  =============================================
+
+GUI_START_CHECK_VOLUME
+	Start volume consistency check
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x63
+	byte 3            volumeset#
+	================  =============================================
+
+GUI_STOP_CHECK_VOLUME
+	Stop volume consistency check
+
+	================  =============================================
+	byte 0,1          length
+	byte 2            command code 0x64
+	================  =============================================
+
+4. Returned data
+----------------
+
+(A) Header
+    3 bytes sequence (0x5E, 0x01, 0x61)
+(B) Length
+    2 bytes
+    (low byte 1st, excludes length and checksum byte)
+(C)
+    status or data:
+
+	1) If length == 1 ==> 1 byte status code::
+
+		#define GUI_OK                    0x41
+		#define GUI_RAIDSET_NOT_NORMAL    0x42
+		#define GUI_VOLUMESET_NOT_NORMAL  0x43
+		#define GUI_NO_RAIDSET            0x44
+		#define GUI_NO_VOLUMESET          0x45
+		#define GUI_NO_PHYSICAL_DRIVE     0x46
+		#define GUI_PARAMETER_ERROR       0x47
+		#define GUI_UNSUPPORTED_COMMAND   0x48
+		#define GUI_DISK_CONFIG_CHANGED   0x49
+		#define GUI_INVALID_PASSWORD      0x4a
+		#define GUI_NO_DISK_SPACE         0x4b
+		#define GUI_CHECKSUM_ERROR        0x4c
+		#define GUI_PASSWORD_REQUIRED     0x4d
+
+	2) If length > 1:
+
+		data block returned from controller
+		and the contents depends on the command code
+
+(E) Checksum
+    checksum of length and status or data byte
+