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, 439 insertions, 0 deletions

diff --git a/drivers/scsi/3w-xxxx.h b/drivers/scsi/3w-xxxx.h
new file mode 100644
index 000000000..120a087bd
--- /dev/null
+++ b/drivers/scsi/3w-xxxx.h
@@ -0,0 +1,439 @@
+/*
+   3w-xxxx.h -- 3ware Storage Controller device driver for Linux.
+
+   Written By: Adam Radford <aradford@gmail.com>
+   Modifications By: Joel Jacobson <linux@3ware.com>
+                     Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+                     Brad Strand <linux@3ware.com>
+
+   Copyright (C) 1999-2010 3ware Inc.
+
+   Kernel compatibility By:	Andre Hedrick <andre@suse.com>
+   Non-Copyright (C) 2000	Andre Hedrick <andre@suse.com>
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; version 2 of the License.
+
+   This program is distributed in the hope that 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.
+
+   NO WARRANTY
+   THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR
+   CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT
+   LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT,
+   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is
+   solely responsible for determining the appropriateness of using and
+   distributing the Program and assumes all risks associated with its
+   exercise of rights under this Agreement, including but not limited to
+   the risks and costs of program errors, damage to or loss of data,
+   programs or equipment, and unavailability or interruption of operations.
+
+   DISCLAIMER OF LIABILITY
+   NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY
+   DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+   DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND
+   ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+   TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+   USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED
+   HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES
+
+   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+   Bugs/Comments/Suggestions should be mailed to:
+
+   aradford@gmail.com
+
+   For more information, goto:
+   http://www.lsi.com
+*/
+
+#ifndef _3W_XXXX_H
+#define _3W_XXXX_H
+
+#include <linux/types.h>
+
+/* AEN strings */
+static char *tw_aen_string[] = {
+	[0x000] = "INFO: AEN queue empty",
+	[0x001] = "INFO: Soft reset occurred",
+	[0x002] = "ERROR: Unit degraded: Unit #",
+	[0x003] = "ERROR: Controller error",
+	[0x004] = "ERROR: Rebuild failed: Unit #",
+	[0x005] = "INFO: Rebuild complete: Unit #",
+	[0x006] = "ERROR: Incomplete unit detected: Unit #",
+	[0x007] = "INFO: Initialization complete: Unit #",
+	[0x008] = "WARNING: Unclean shutdown detected: Unit #",
+	[0x009] = "WARNING: ATA port timeout: Port #",
+	[0x00A] = "ERROR: Drive error: Port #",
+	[0x00B] = "INFO: Rebuild started: Unit #",
+	[0x00C] = "INFO: Initialization started: Unit #",
+	[0x00D] = "ERROR: Logical unit deleted: Unit #",
+	[0x00F] = "WARNING: SMART threshold exceeded: Port #",
+	[0x021] = "WARNING: ATA UDMA downgrade: Port #",
+	[0x022] = "WARNING: ATA UDMA upgrade: Port #",
+	[0x023] = "WARNING: Sector repair occurred: Port #",
+	[0x024] = "ERROR: SBUF integrity check failure",
+	[0x025] = "ERROR: Lost cached write: Port #",
+	[0x026] = "ERROR: Drive ECC error detected: Port #",
+	[0x027] = "ERROR: DCB checksum error: Port #",
+	[0x028] = "ERROR: DCB unsupported version: Port #",
+	[0x029] = "INFO: Verify started: Unit #",
+	[0x02A] = "ERROR: Verify failed: Port #",
+	[0x02B] = "INFO: Verify complete: Unit #",
+	[0x02C] = "WARNING: Overwrote bad sector during rebuild: Port #",
+	[0x02D] = "ERROR: Encountered bad sector during rebuild: Port #",
+	[0x02E] = "ERROR: Replacement drive is too small: Port #",
+	[0x02F] = "WARNING: Verify error: Unit not previously initialized: Unit #",
+	[0x030] = "ERROR: Drive not supported: Port #"
+};
+
+/*
+   Sense key lookup table
+   Format: ESDC/flags,SenseKey,AdditionalSenseCode,AdditionalSenseCodeQualifier
+*/
+static unsigned char tw_sense_table[][4] =
+{
+  /* Codes for newer firmware */
+	// ATA Error                    SCSI Error
+	{0x01, 0x03, 0x13, 0x00}, // Address mark not found       Address mark not found for data field
+	{0x04, 0x0b, 0x00, 0x00}, // Aborted command              Aborted command
+	{0x10, 0x0b, 0x14, 0x00}, // ID not found                 Recorded entity not found
+	{0x40, 0x03, 0x11, 0x00}, // Uncorrectable ECC error      Unrecovered read error
+	{0x61, 0x04, 0x00, 0x00}, // Device fault                 Hardware error
+	{0x84, 0x0b, 0x47, 0x00}, // Data CRC error               SCSI parity error
+	{0xd0, 0x0b, 0x00, 0x00}, // Device busy                  Aborted command
+	{0xd1, 0x0b, 0x00, 0x00}, // Device busy                  Aborted command
+	{0x37, 0x02, 0x04, 0x00}, // Unit offline                 Not ready
+	{0x09, 0x02, 0x04, 0x00}, // Unrecovered disk error       Not ready
+
+	/* Codes for older firmware */
+	// 3ware Error                  SCSI Error
+	{0x51, 0x0b, 0x00, 0x00}  // Unspecified                  Aborted command
+};
+
+/* Control register bit definitions */
+#define TW_CONTROL_CLEAR_HOST_INTERRUPT	       0x00080000
+#define TW_CONTROL_CLEAR_ATTENTION_INTERRUPT   0x00040000
+#define TW_CONTROL_MASK_COMMAND_INTERRUPT      0x00020000
+#define TW_CONTROL_MASK_RESPONSE_INTERRUPT     0x00010000
+#define TW_CONTROL_UNMASK_COMMAND_INTERRUPT    0x00008000
+#define TW_CONTROL_UNMASK_RESPONSE_INTERRUPT   0x00004000
+#define TW_CONTROL_CLEAR_ERROR_STATUS	       0x00000200
+#define TW_CONTROL_ISSUE_SOFT_RESET	       0x00000100
+#define TW_CONTROL_ENABLE_INTERRUPTS	       0x00000080
+#define TW_CONTROL_DISABLE_INTERRUPTS	       0x00000040
+#define TW_CONTROL_ISSUE_HOST_INTERRUPT	       0x00000020
+#define TW_CONTROL_CLEAR_PARITY_ERROR	       0x00800000
+#define TW_CONTROL_CLEAR_QUEUE_ERROR	       0x00400000
+#define TW_CONTROL_CLEAR_PCI_ABORT	       0x00100000
+#define TW_CONTROL_CLEAR_SBUF_WRITE_ERROR      0x00000008
+
+/* Status register bit definitions */
+#define TW_STATUS_MAJOR_VERSION_MASK	       0xF0000000
+#define TW_STATUS_MINOR_VERSION_MASK	       0x0F000000
+#define TW_STATUS_PCI_PARITY_ERROR	       0x00800000
+#define TW_STATUS_QUEUE_ERROR		       0x00400000
+#define TW_STATUS_MICROCONTROLLER_ERROR	       0x00200000
+#define TW_STATUS_PCI_ABORT		       0x00100000
+#define TW_STATUS_HOST_INTERRUPT	       0x00080000
+#define TW_STATUS_ATTENTION_INTERRUPT	       0x00040000
+#define TW_STATUS_COMMAND_INTERRUPT	       0x00020000
+#define TW_STATUS_RESPONSE_INTERRUPT	       0x00010000
+#define TW_STATUS_COMMAND_QUEUE_FULL	       0x00008000
+#define TW_STATUS_RESPONSE_QUEUE_EMPTY	       0x00004000
+#define TW_STATUS_MICROCONTROLLER_READY	       0x00002000
+#define TW_STATUS_COMMAND_QUEUE_EMPTY	       0x00001000
+#define TW_STATUS_ALL_INTERRUPTS	       0x000F0000
+#define TW_STATUS_CLEARABLE_BITS	       0x00D00000
+#define TW_STATUS_EXPECTED_BITS		       0x00002000
+#define TW_STATUS_UNEXPECTED_BITS	       0x00F00008
+#define TW_STATUS_SBUF_WRITE_ERROR	       0x00000008
+#define TW_STATUS_VALID_INTERRUPT	       0x00DF0008
+
+/* RESPONSE QUEUE BIT DEFINITIONS */
+#define TW_RESPONSE_ID_MASK		       0x00000FF0
+
+/* PCI related defines */
+#define TW_IO_ADDRESS_RANGE		       0x10
+#define TW_DEVICE_NAME			       "3ware Storage Controller"
+#define TW_VENDOR_ID (0x13C1)	/* 3ware */
+#define TW_DEVICE_ID (0x1000)	/* Storage Controller */
+#define TW_DEVICE_ID2 (0x1001)  /* 7000 series controller */
+#define TW_NUMDEVICES 2
+#define TW_PCI_CLEAR_PARITY_ERRORS 0xc100
+#define TW_PCI_CLEAR_PCI_ABORT     0x2000
+
+/* Command packet opcodes */
+#define TW_OP_NOP	      0x0
+#define TW_OP_INIT_CONNECTION 0x1
+#define TW_OP_READ	      0x2
+#define TW_OP_WRITE	      0x3
+#define TW_OP_VERIFY	      0x4
+#define TW_OP_GET_PARAM	      0x12
+#define TW_OP_SET_PARAM	      0x13
+#define TW_OP_SECTOR_INFO     0x1a
+#define TW_OP_AEN_LISTEN      0x1c
+#define TW_OP_FLUSH_CACHE     0x0e
+#define TW_CMD_PACKET	      0x1d
+#define TW_CMD_PACKET_WITH_DATA 0x1f
+
+/* Asynchronous Event Notification (AEN) Codes */
+#define TW_AEN_QUEUE_EMPTY       0x0000
+#define TW_AEN_SOFT_RESET	 0x0001
+#define TW_AEN_DEGRADED_MIRROR   0x0002
+#define TW_AEN_CONTROLLER_ERROR  0x0003
+#define TW_AEN_REBUILD_FAIL      0x0004
+#define TW_AEN_REBUILD_DONE      0x0005
+#define TW_AEN_QUEUE_FULL	 0x00ff
+#define TW_AEN_TABLE_UNDEFINED   0x15
+#define TW_AEN_APORT_TIMEOUT     0x0009
+#define TW_AEN_DRIVE_ERROR       0x000A
+#define TW_AEN_SMART_FAIL	 0x000F
+#define TW_AEN_SBUF_FAIL	 0x0024
+
+/* Misc defines */
+#define TW_ALIGNMENT_6000		      64 /* 64 bytes */
+#define TW_ALIGNMENT_7000		      4  /* 4 bytes */
+#define TW_MAX_UNITS			      16
+#define TW_COMMAND_ALIGNMENT_MASK	      0x1ff
+#define TW_INIT_MESSAGE_CREDITS		      0x100
+#define TW_INIT_COMMAND_PACKET_SIZE	      0x3
+#define TW_POLL_MAX_RETRIES		      20000
+#define TW_MAX_SGL_LENGTH		      62
+#define TW_ATA_PASS_SGL_MAX		      60
+#define TW_Q_LENGTH			      256
+#define TW_Q_START			      0
+#define TW_MAX_SLOT			      32
+#define TW_MAX_PCI_BUSES		      255
+#define TW_MAX_RESET_TRIES		      3
+#define TW_UNIT_INFORMATION_TABLE_BASE	      0x300
+#define TW_MAX_CMDS_PER_LUN		      254 /* 254 for io, 1 for
+                                                     chrdev ioctl, one for
+                                                     internal aen post */
+#define TW_BLOCK_SIZE			      0x200 /* 512-byte blocks */
+#define TW_IOCTL			      0x80
+#define TW_UNIT_ONLINE			      1
+#define TW_IN_INTR			      1
+#define TW_IN_RESET			      2
+#define TW_IN_CHRDEV_IOCTL		      3
+#define TW_MAX_SECTORS			      256
+#define TW_MAX_IOCTL_SECTORS		      512
+#define TW_AEN_WAIT_TIME		      1000
+#define TW_IOCTL_WAIT_TIME		      (1 * HZ) /* 1 second */
+#define TW_ISR_DONT_COMPLETE		      2
+#define TW_ISR_DONT_RESULT		      3
+#define TW_IOCTL_TIMEOUT		      25 /* 25 seconds */
+#define TW_IOCTL_CHRDEV_TIMEOUT		      60 /* 60 seconds */
+#define TW_IOCTL_CHRDEV_FREE		      -1
+#define TW_MAX_CDB_LEN			      16
+
+/* Bitmask macros to eliminate bitfields */
+
+/* opcode: 5, sgloffset: 3 */
+#define TW_OPSGL_IN(x,y) ((x << 5) | (y & 0x1f))
+#define TW_SGL_OUT(x) ((x >> 5) & 0x7)
+
+/* reserved_1: 4, response_id: 8, reserved_2: 20 */
+#define TW_RESID_OUT(x) ((x >> 4) & 0xff)
+
+/* unit: 4, host_id: 4 */
+#define TW_UNITHOST_IN(x,y) ((x << 4) | ( y & 0xf))
+#define TW_UNIT_OUT(x) (x & 0xf)
+
+/* Macros */
+#define TW_CONTROL_REG_ADDR(x) (x->base_addr)
+#define TW_STATUS_REG_ADDR(x) (x->base_addr + 0x4)
+#define TW_COMMAND_QUEUE_REG_ADDR(x) (x->base_addr + 0x8)
+#define TW_RESPONSE_QUEUE_REG_ADDR(x) (x->base_addr + 0xC)
+#define TW_CLEAR_ALL_INTERRUPTS(x)					\
+	(outl(TW_STATUS_VALID_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_CLEAR_ATTENTION_INTERRUPT(x)					\
+	(outl(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_CLEAR_HOST_INTERRUPT(x)					\
+	(outl(TW_CONTROL_CLEAR_HOST_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_DISABLE_INTERRUPTS(x)					\
+	(outl(TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
+#define TW_ENABLE_AND_CLEAR_INTERRUPTS(x)				\
+	(outl(TW_CONTROL_CLEAR_ATTENTION_INTERRUPT |			\
+	      TW_CONTROL_UNMASK_RESPONSE_INTERRUPT |			\
+	      TW_CONTROL_ENABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
+#define TW_MASK_COMMAND_INTERRUPT(x)					\
+	(outl(TW_CONTROL_MASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_UNMASK_COMMAND_INTERRUPT(x)					\
+	(outl(TW_CONTROL_UNMASK_COMMAND_INTERRUPT, TW_CONTROL_REG_ADDR(x)))
+#define TW_SOFT_RESET(x) (outl(TW_CONTROL_ISSUE_SOFT_RESET |		\
+			       TW_CONTROL_CLEAR_HOST_INTERRUPT |	\
+			       TW_CONTROL_CLEAR_ATTENTION_INTERRUPT |	\
+			       TW_CONTROL_MASK_COMMAND_INTERRUPT |	\
+			       TW_CONTROL_MASK_RESPONSE_INTERRUPT |	\
+			       TW_CONTROL_CLEAR_ERROR_STATUS |		\
+			       TW_CONTROL_DISABLE_INTERRUPTS, TW_CONTROL_REG_ADDR(x)))
+#define TW_STATUS_ERRORS(x)				\
+	(((x & TW_STATUS_PCI_ABORT) ||			\
+	  (x & TW_STATUS_PCI_PARITY_ERROR) ||		\
+	  (x & TW_STATUS_QUEUE_ERROR) ||		\
+	  (x & TW_STATUS_MICROCONTROLLER_ERROR)) &&	\
+	 (x & TW_STATUS_MICROCONTROLLER_READY))
+
+#ifdef TW_DEBUG
+#define dprintk(msg...) printk(msg)
+#else
+#define dprintk(msg...) do { } while(0)
+#endif
+
+#pragma pack(1)
+
+/* Scatter Gather List Entry */
+typedef struct TAG_TW_SG_Entry {
+	u32 address;
+	u32 length;
+} TW_SG_Entry;
+
+typedef unsigned char TW_Sector[512];
+
+/* Command Packet */
+typedef struct TW_Command {
+	unsigned char opcode__sgloffset;
+	unsigned char size;
+	unsigned char request_id;
+	unsigned char unit__hostid;
+	/* Second DWORD */
+	unsigned char status;
+	unsigned char flags;
+	union {
+		unsigned short block_count;
+		unsigned short parameter_count;
+		unsigned short message_credits;
+	} byte6;
+	union {
+		struct {
+			u32 lba;
+			TW_SG_Entry sgl[TW_MAX_SGL_LENGTH];
+			u32 padding;	/* pad to 512 bytes */
+		} io;
+		struct {
+			TW_SG_Entry sgl[TW_MAX_SGL_LENGTH];
+			u32 padding[2];
+		} param;
+		struct {
+			u32 response_queue_pointer;
+			u32 padding[125];
+		} init_connection;
+		struct {
+			char version[504];
+		} ioctl_miniport_version;
+	} byte8;
+} TW_Command;
+
+#pragma pack()
+
+typedef struct TAG_TW_Ioctl {
+	unsigned char opcode;
+	unsigned short table_id;
+	unsigned char parameter_id;
+	unsigned char parameter_size_bytes;
+	unsigned char unit_index;
+	unsigned char data[1];
+} TW_Ioctl;
+
+#pragma pack(1)
+
+/* Structure for new chardev ioctls */
+typedef struct TAG_TW_New_Ioctl {
+	unsigned int data_buffer_length;
+	unsigned char padding [508];
+	TW_Command firmware_command;
+	char data_buffer[];
+} TW_New_Ioctl;
+
+/* GetParam descriptor */
+typedef struct {
+	unsigned short	table_id;
+	unsigned char	parameter_id;
+	unsigned char	parameter_size_bytes;
+	unsigned char	data[1];
+} TW_Param, *PTW_Param;
+
+/* Response queue */
+typedef union TAG_TW_Response_Queue {
+	u32 response_id;
+	u32 value;
+} TW_Response_Queue;
+
+typedef int TW_Cmd_State;
+
+#define TW_S_INITIAL   0x1  /* Initial state */
+#define TW_S_STARTED   0x2  /* Id in use */
+#define TW_S_POSTED    0x4  /* Posted to the controller */
+#define TW_S_PENDING   0x8  /* Waiting to be posted in isr */
+#define TW_S_COMPLETED 0x10 /* Completed by isr */
+#define TW_S_FINISHED  0x20 /* I/O completely done */
+#define TW_START_MASK (TW_S_STARTED | TW_S_POSTED | TW_S_PENDING | TW_S_COMPLETED)
+
+/* Command header for ATA pass-thru */
+typedef struct TAG_TW_Passthru
+{
+	unsigned char opcode__sgloffset;
+	unsigned char size;
+	unsigned char request_id;
+	unsigned char aport__hostid;
+	unsigned char status;
+	unsigned char flags;
+	unsigned short param;
+	unsigned short features;
+	unsigned short sector_count;
+	unsigned short sector_num;
+	unsigned short cylinder_lo;
+	unsigned short cylinder_hi;
+	unsigned char drive_head;
+	unsigned char command;
+	TW_SG_Entry sg_list[TW_ATA_PASS_SGL_MAX];
+	unsigned char padding[12];
+} TW_Passthru;
+
+#pragma pack()
+
+typedef struct TAG_TW_Device_Extension {
+	u32			base_addr;
+	unsigned long		*alignment_virtual_address[TW_Q_LENGTH];
+	unsigned long		alignment_physical_address[TW_Q_LENGTH];
+	int			is_unit_present[TW_MAX_UNITS];
+	unsigned long		*command_packet_virtual_address[TW_Q_LENGTH];
+	unsigned long		command_packet_physical_address[TW_Q_LENGTH];
+	struct pci_dev		*tw_pci_dev;
+	struct scsi_cmnd	*srb[TW_Q_LENGTH];
+	unsigned char		free_queue[TW_Q_LENGTH];
+	unsigned char		free_head;
+	unsigned char		free_tail;
+	unsigned char		pending_queue[TW_Q_LENGTH];
+	unsigned char		pending_head;
+	unsigned char		pending_tail;
+	TW_Cmd_State		state[TW_Q_LENGTH];
+	u32			posted_request_count;
+	u32			max_posted_request_count;
+	u32			request_count_marked_pending;
+	u32			pending_request_count;
+	u32			max_pending_request_count;
+	u32			max_sgl_entries;
+	u32			sgl_entries;
+	u32			num_resets;
+	u32			sector_count;
+	u32			max_sector_count;
+	u32			aen_count;
+	struct Scsi_Host	*host;
+	struct mutex		ioctl_lock;
+	unsigned short		aen_queue[TW_Q_LENGTH];
+	unsigned char		aen_head;
+	unsigned char		aen_tail;
+	volatile long		flags; /* long req'd for set_bit --RR */
+	int			reset_print;
+	volatile int		chrdev_request_id;
+	wait_queue_head_t	ioctl_wqueue;
+} TW_Device_Extension;
+
+#endif /* _3W_XXXX_H */