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, 723 insertions, 0 deletions

diff --git a/include/scsi/sas.h b/include/scsi/sas.h
new file mode 100644
index 000000000..71b749bed
--- /dev/null
+++ b/include/scsi/sas.h
@@ -0,0 +1,723 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * SAS structures and definitions header file
+ *
+ * Copyright (C) 2005 Adaptec, Inc.  All rights reserved.
+ * Copyright (C) 2005 Luben Tuikov <luben_tuikov@adaptec.com>
+ */
+
+#ifndef _SAS_H_
+#define _SAS_H_
+
+#include <linux/types.h>
+#include <asm/byteorder.h>
+
+#define SAS_ADDR_SIZE        8
+#define HASHED_SAS_ADDR_SIZE 3
+#define SAS_ADDR(_sa) ((unsigned long long) be64_to_cpu(*(__be64 *)(_sa)))
+
+#define SMP_REQUEST             0x40
+#define SMP_RESPONSE            0x41
+
+#define SSP_DATA                0x01
+#define SSP_XFER_RDY            0x05
+#define SSP_COMMAND             0x06
+#define SSP_RESPONSE            0x07
+#define SSP_TASK                0x16
+
+#define SMP_REPORT_GENERAL       0x00
+#define SMP_REPORT_MANUF_INFO    0x01
+#define SMP_READ_GPIO_REG        0x02
+#define SMP_DISCOVER             0x10
+#define SMP_REPORT_PHY_ERR_LOG   0x11
+#define SMP_REPORT_PHY_SATA      0x12
+#define SMP_REPORT_ROUTE_INFO    0x13
+#define SMP_WRITE_GPIO_REG       0x82
+#define SMP_CONF_ROUTE_INFO      0x90
+#define SMP_PHY_CONTROL          0x91
+#define SMP_PHY_TEST_FUNCTION    0x92
+
+#define SMP_RESP_FUNC_ACC        0x00
+#define SMP_RESP_FUNC_UNK        0x01
+#define SMP_RESP_FUNC_FAILED     0x02
+#define SMP_RESP_INV_FRM_LEN     0x03
+#define SMP_RESP_NO_PHY          0x10
+#define SMP_RESP_NO_INDEX        0x11
+#define SMP_RESP_PHY_NO_SATA     0x12
+#define SMP_RESP_PHY_UNK_OP      0x13
+#define SMP_RESP_PHY_UNK_TESTF   0x14
+#define SMP_RESP_PHY_TEST_INPROG 0x15
+#define SMP_RESP_PHY_VACANT      0x16
+
+/* SAM TMFs */
+#define TMF_ABORT_TASK      0x01
+#define TMF_ABORT_TASK_SET  0x02
+#define TMF_CLEAR_TASK_SET  0x04
+#define TMF_LU_RESET        0x08
+#define TMF_CLEAR_ACA       0x40
+#define TMF_QUERY_TASK      0x80
+
+/* SAS TMF responses */
+#define TMF_RESP_FUNC_COMPLETE   0x00
+#define TMF_RESP_INVALID_FRAME   0x02
+#define TMF_RESP_FUNC_ESUPP      0x04
+#define TMF_RESP_FUNC_FAILED     0x05
+#define TMF_RESP_FUNC_SUCC       0x08
+#define TMF_RESP_NO_LUN          0x09
+#define TMF_RESP_OVERLAPPED_TAG  0x0A
+
+enum sas_oob_mode {
+	OOB_NOT_CONNECTED,
+	SATA_OOB_MODE,
+	SAS_OOB_MODE
+};
+
+/* See sas_discover.c if you plan on changing these */
+enum sas_device_type {
+	/* these are SAS protocol defined (attached device type field) */
+	SAS_PHY_UNUSED = 0,
+	SAS_END_DEVICE = 1,
+	SAS_EDGE_EXPANDER_DEVICE = 2,
+	SAS_FANOUT_EXPANDER_DEVICE = 3,
+	/* these are internal to libsas */
+	SAS_HA = 4,
+	SAS_SATA_DEV = 5,
+	SAS_SATA_PM = 7,
+	SAS_SATA_PM_PORT = 8,
+	SAS_SATA_PENDING = 9,
+};
+
+enum sas_protocol {
+	SAS_PROTOCOL_NONE		= 0,
+	SAS_PROTOCOL_SATA		= 0x01,
+	SAS_PROTOCOL_SMP		= 0x02,
+	SAS_PROTOCOL_STP		= 0x04,
+	SAS_PROTOCOL_SSP		= 0x08,
+	SAS_PROTOCOL_ALL		= 0x0E,
+	SAS_PROTOCOL_STP_ALL		= SAS_PROTOCOL_STP|SAS_PROTOCOL_SATA,
+	/* these are internal to libsas */
+	SAS_PROTOCOL_INTERNAL_ABORT	= 0x10,
+};
+
+/* From the spec; local phys only */
+enum phy_func {
+	PHY_FUNC_NOP,
+	PHY_FUNC_LINK_RESET,		  /* Enables the phy */
+	PHY_FUNC_HARD_RESET,
+	PHY_FUNC_DISABLE,
+	PHY_FUNC_CLEAR_ERROR_LOG = 5,
+	PHY_FUNC_CLEAR_AFFIL,
+	PHY_FUNC_TX_SATA_PS_SIGNAL,
+	PHY_FUNC_RELEASE_SPINUP_HOLD = 0x10, /* LOCAL PORT ONLY! */
+	PHY_FUNC_SET_LINK_RATE,
+	PHY_FUNC_GET_EVENTS,
+};
+
+/* SAS LLDD would need to report only _very_few_ of those, like BROADCAST.
+ * Most of those are here for completeness.
+ */
+enum sas_prim {
+	SAS_PRIM_AIP_NORMAL = 1,
+	SAS_PRIM_AIP_R0     = 2,
+	SAS_PRIM_AIP_R1     = 3,
+	SAS_PRIM_AIP_R2     = 4,
+	SAS_PRIM_AIP_WC     = 5,
+	SAS_PRIM_AIP_WD     = 6,
+	SAS_PRIM_AIP_WP     = 7,
+	SAS_PRIM_AIP_RWP    = 8,
+
+	SAS_PRIM_BC_CH      = 9,
+	SAS_PRIM_BC_RCH0    = 10,
+	SAS_PRIM_BC_RCH1    = 11,
+	SAS_PRIM_BC_R0      = 12,
+	SAS_PRIM_BC_R1      = 13,
+	SAS_PRIM_BC_R2      = 14,
+	SAS_PRIM_BC_R3      = 15,
+	SAS_PRIM_BC_R4      = 16,
+
+	SAS_PRIM_NOTIFY_ENSP= 17,
+	SAS_PRIM_NOTIFY_R0  = 18,
+	SAS_PRIM_NOTIFY_R1  = 19,
+	SAS_PRIM_NOTIFY_R2  = 20,
+
+	SAS_PRIM_CLOSE_CLAF = 21,
+	SAS_PRIM_CLOSE_NORM = 22,
+	SAS_PRIM_CLOSE_R0   = 23,
+	SAS_PRIM_CLOSE_R1   = 24,
+
+	SAS_PRIM_OPEN_RTRY  = 25,
+	SAS_PRIM_OPEN_RJCT  = 26,
+	SAS_PRIM_OPEN_ACPT  = 27,
+
+	SAS_PRIM_DONE       = 28,
+	SAS_PRIM_BREAK      = 29,
+
+	SATA_PRIM_DMAT      = 33,
+	SATA_PRIM_PMNAK     = 34,
+	SATA_PRIM_PMACK     = 35,
+	SATA_PRIM_PMREQ_S   = 36,
+	SATA_PRIM_PMREQ_P   = 37,
+	SATA_SATA_R_ERR     = 38,
+};
+
+enum sas_open_rej_reason {
+	/* Abandon open */
+	SAS_OREJ_UNKNOWN   = 0,
+	SAS_OREJ_BAD_DEST  = 1,
+	SAS_OREJ_CONN_RATE = 2,
+	SAS_OREJ_EPROTO    = 3,
+	SAS_OREJ_RESV_AB0  = 4,
+	SAS_OREJ_RESV_AB1  = 5,
+	SAS_OREJ_RESV_AB2  = 6,
+	SAS_OREJ_RESV_AB3  = 7,
+	SAS_OREJ_WRONG_DEST= 8,
+	SAS_OREJ_STP_NORES = 9,
+
+	/* Retry open */
+	SAS_OREJ_NO_DEST   = 10,
+	SAS_OREJ_PATH_BLOCKED = 11,
+	SAS_OREJ_RSVD_CONT0 = 12,
+	SAS_OREJ_RSVD_CONT1 = 13,
+	SAS_OREJ_RSVD_INIT0 = 14,
+	SAS_OREJ_RSVD_INIT1 = 15,
+	SAS_OREJ_RSVD_STOP0 = 16,
+	SAS_OREJ_RSVD_STOP1 = 17,
+	SAS_OREJ_RSVD_RETRY = 18,
+};
+
+enum sas_gpio_reg_type {
+	SAS_GPIO_REG_CFG   = 0,
+	SAS_GPIO_REG_RX    = 1,
+	SAS_GPIO_REG_RX_GP = 2,
+	SAS_GPIO_REG_TX    = 3,
+	SAS_GPIO_REG_TX_GP = 4,
+};
+
+/* Response frame DATAPRES field */
+enum {
+	SAS_DATAPRES_NO_DATA		= 0,
+	SAS_DATAPRES_RESPONSE_DATA	= 1,
+	SAS_DATAPRES_SENSE_DATA		= 2,
+};
+
+struct  dev_to_host_fis {
+	u8     fis_type;	  /* 0x34 */
+	u8     flags;
+	u8     status;
+	u8     error;
+
+	u8     lbal;
+	union { u8 lbam; u8 byte_count_low; };
+	union { u8 lbah; u8 byte_count_high; };
+	u8     device;
+
+	u8     lbal_exp;
+	u8     lbam_exp;
+	u8     lbah_exp;
+	u8     _r_a;
+
+	union { u8  sector_count; u8 interrupt_reason; };
+	u8     sector_count_exp;
+	u8     _r_b;
+	u8     _r_c;
+
+	u32    _r_d;
+} __attribute__ ((packed));
+
+struct host_to_dev_fis {
+	u8     fis_type;	  /* 0x27 */
+	u8     flags;
+	u8     command;
+	u8     features;
+
+	u8     lbal;
+	union { u8 lbam; u8 byte_count_low; };
+	union { u8 lbah; u8 byte_count_high; };
+	u8     device;
+
+	u8     lbal_exp;
+	u8     lbam_exp;
+	u8     lbah_exp;
+	u8     features_exp;
+
+	union { u8  sector_count; u8 interrupt_reason; };
+	u8     sector_count_exp;
+	u8     _r_a;
+	u8     control;
+
+	u32    _r_b;
+} __attribute__ ((packed));
+
+/* Prefer to have code clarity over header file clarity.
+ */
+#ifdef __LITTLE_ENDIAN_BITFIELD
+struct sas_identify_frame {
+	/* Byte 0 */
+	u8  frame_type:4;
+	u8  dev_type:3;
+	u8  _un0:1;
+
+	/* Byte 1 */
+	u8  _un1;
+
+	/* Byte 2 */
+	union {
+		struct {
+			u8  _un20:1;
+			u8  smp_iport:1;
+			u8  stp_iport:1;
+			u8  ssp_iport:1;
+			u8  _un247:4;
+		};
+		u8 initiator_bits;
+	};
+
+	/* Byte 3 */
+	union {
+		struct {
+			u8  _un30:1;
+			u8 smp_tport:1;
+			u8 stp_tport:1;
+			u8 ssp_tport:1;
+			u8 _un347:4;
+		};
+		u8 target_bits;
+	};
+
+	/* Byte 4 - 11 */
+	u8 _un4_11[8];
+
+	/* Byte 12 - 19 */
+	u8 sas_addr[SAS_ADDR_SIZE];
+
+	/* Byte 20 */
+	u8 phy_id;
+
+	u8 _un21_27[7];
+
+	__be32 crc;
+} __attribute__ ((packed));
+
+struct ssp_frame_hdr {
+	u8     frame_type;
+	u8     hashed_dest_addr[HASHED_SAS_ADDR_SIZE];
+	u8     _r_a;
+	u8     hashed_src_addr[HASHED_SAS_ADDR_SIZE];
+	__be16 _r_b;
+
+	u8     changing_data_ptr:1;
+	u8     retransmit:1;
+	u8     retry_data_frames:1;
+	u8     _r_c:5;
+
+	u8     num_fill_bytes:2;
+	u8     _r_d:6;
+
+	u32    _r_e;
+	__be16 tag;
+	__be16 tptt;
+	__be32 data_offs;
+} __attribute__ ((packed));
+
+struct ssp_response_iu {
+	u8     _r_a[10];
+
+	u8     datapres:2;
+	u8     _r_b:6;
+
+	u8     status;
+
+	u32    _r_c;
+
+	__be32 sense_data_len;
+	__be32 response_data_len;
+
+	union {
+		DECLARE_FLEX_ARRAY(u8, resp_data);
+		DECLARE_FLEX_ARRAY(u8, sense_data);
+	};
+} __attribute__ ((packed));
+
+struct ssp_command_iu {
+	u8     lun[8];
+	u8     _r_a;
+
+	union {
+		struct {
+			u8  attr:3;
+			u8  prio:4;
+			u8  efb:1;
+		};
+		u8 efb_prio_attr;
+	};
+
+	u8    _r_b;
+
+	u8    _r_c:2;
+	u8    add_cdb_len:6;
+
+	u8    cdb[16];
+	u8    add_cdb[];
+} __attribute__ ((packed));
+
+struct xfer_rdy_iu {
+	__be32 requested_offset;
+	__be32 write_data_len;
+	__be32 _r_a;
+} __attribute__ ((packed));
+
+struct ssp_tmf_iu {
+	u8     lun[8];
+	u16    _r_a;
+	u8     tmf;
+	u8     _r_b;
+	__be16 tag;
+	u8     _r_c[14];
+} __attribute__ ((packed));
+
+/* ---------- SMP ---------- */
+
+struct report_general_resp {
+	__be16  change_count;
+	__be16  route_indexes;
+	u8      _r_a;
+	u8      num_phys;
+
+	u8      conf_route_table:1;
+	u8      configuring:1;
+	u8	config_others:1;
+	u8	orej_retry_supp:1;
+	u8	stp_cont_awt:1;
+	u8	self_config:1;
+	u8	zone_config:1;
+	u8	t2t_supp:1;
+
+	u8      _r_c;
+
+	u8      enclosure_logical_id[8];
+
+	u8      _r_d[12];
+} __attribute__ ((packed));
+
+struct discover_resp {
+	u8    _r_a[5];
+
+	u8    phy_id;
+	__be16 _r_b;
+
+	u8    _r_c:4;
+	u8    attached_dev_type:3;
+	u8    _r_d:1;
+
+	u8    linkrate:4;
+	u8    _r_e:4;
+
+	u8    attached_sata_host:1;
+	u8    iproto:3;
+	u8    _r_f:4;
+
+	u8    attached_sata_dev:1;
+	u8    tproto:3;
+	u8    _r_g:3;
+	u8    attached_sata_ps:1;
+
+	u8    sas_addr[8];
+	u8    attached_sas_addr[8];
+	u8    attached_phy_id;
+
+	u8    _r_h[7];
+
+	u8    hmin_linkrate:4;
+	u8    pmin_linkrate:4;
+	u8    hmax_linkrate:4;
+	u8    pmax_linkrate:4;
+
+	u8    change_count;
+
+	u8    pptv:4;
+	u8    _r_i:3;
+	u8    virtual:1;
+
+	u8    routing_attr:4;
+	u8    _r_j:4;
+
+	u8    conn_type;
+	u8    conn_el_index;
+	u8    conn_phy_link;
+
+	u8    _r_k[8];
+} __attribute__ ((packed));
+
+struct report_phy_sata_resp {
+	u8    _r_a[5];
+
+	u8    phy_id;
+	u8    _r_b;
+
+	u8    affil_valid:1;
+	u8    affil_supp:1;
+	u8    _r_c:6;
+
+	u32    _r_d;
+
+	u8    stp_sas_addr[8];
+
+	struct dev_to_host_fis fis;
+
+	u32   _r_e;
+
+	u8    affil_stp_ini_addr[8];
+
+	__be32 crc;
+} __attribute__ ((packed));
+
+#elif defined(__BIG_ENDIAN_BITFIELD)
+struct sas_identify_frame {
+	/* Byte 0 */
+	u8  _un0:1;
+	u8  dev_type:3;
+	u8  frame_type:4;
+
+	/* Byte 1 */
+	u8  _un1;
+
+	/* Byte 2 */
+	union {
+		struct {
+			u8  _un247:4;
+			u8  ssp_iport:1;
+			u8  stp_iport:1;
+			u8  smp_iport:1;
+			u8  _un20:1;
+		};
+		u8 initiator_bits;
+	};
+
+	/* Byte 3 */
+	union {
+		struct {
+			u8 _un347:4;
+			u8 ssp_tport:1;
+			u8 stp_tport:1;
+			u8 smp_tport:1;
+			u8 _un30:1;
+		};
+		u8 target_bits;
+	};
+
+	/* Byte 4 - 11 */
+	u8 _un4_11[8];
+
+	/* Byte 12 - 19 */
+	u8 sas_addr[SAS_ADDR_SIZE];
+
+	/* Byte 20 */
+	u8 phy_id;
+
+	u8 _un21_27[7];
+
+	__be32 crc;
+} __attribute__ ((packed));
+
+struct ssp_frame_hdr {
+	u8     frame_type;
+	u8     hashed_dest_addr[HASHED_SAS_ADDR_SIZE];
+	u8     _r_a;
+	u8     hashed_src_addr[HASHED_SAS_ADDR_SIZE];
+	__be16 _r_b;
+
+	u8     _r_c:5;
+	u8     retry_data_frames:1;
+	u8     retransmit:1;
+	u8     changing_data_ptr:1;
+
+	u8     _r_d:6;
+	u8     num_fill_bytes:2;
+
+	u32    _r_e;
+	__be16 tag;
+	__be16 tptt;
+	__be32 data_offs;
+} __attribute__ ((packed));
+
+struct ssp_response_iu {
+	u8     _r_a[10];
+
+	u8     _r_b:6;
+	u8     datapres:2;
+
+	u8     status;
+
+	u32    _r_c;
+
+	__be32 sense_data_len;
+	__be32 response_data_len;
+
+	union {
+		DECLARE_FLEX_ARRAY(u8, resp_data);
+		DECLARE_FLEX_ARRAY(u8, sense_data);
+	};
+} __attribute__ ((packed));
+
+struct ssp_command_iu {
+	u8     lun[8];
+	u8     _r_a;
+
+	union {
+		struct {
+			u8  efb:1;
+			u8  prio:4;
+			u8  attr:3;
+		};
+		u8 efb_prio_attr;
+	};
+
+	u8    _r_b;
+
+	u8    add_cdb_len:6;
+	u8    _r_c:2;
+
+	u8    cdb[16];
+	u8    add_cdb[];
+} __attribute__ ((packed));
+
+struct xfer_rdy_iu {
+	__be32 requested_offset;
+	__be32 write_data_len;
+	__be32 _r_a;
+} __attribute__ ((packed));
+
+struct ssp_tmf_iu {
+	u8     lun[8];
+	u16    _r_a;
+	u8     tmf;
+	u8     _r_b;
+	__be16 tag;
+	u8     _r_c[14];
+} __attribute__ ((packed));
+
+/* ---------- SMP ---------- */
+
+struct report_general_resp {
+	__be16  change_count;
+	__be16  route_indexes;
+	u8      _r_a;
+	u8      num_phys;
+
+	u8	t2t_supp:1;
+	u8	zone_config:1;
+	u8	self_config:1;
+	u8	stp_cont_awt:1;
+	u8	orej_retry_supp:1;
+	u8	config_others:1;
+	u8      configuring:1;
+	u8      conf_route_table:1;
+
+	u8      _r_c;
+
+	u8      enclosure_logical_id[8];
+
+	u8      _r_d[12];
+} __attribute__ ((packed));
+
+struct discover_resp {
+	u8    _r_a[5];
+
+	u8    phy_id;
+	__be16 _r_b;
+
+	u8    _r_d:1;
+	u8    attached_dev_type:3;
+	u8    _r_c:4;
+
+	u8    _r_e:4;
+	u8    linkrate:4;
+
+	u8    _r_f:4;
+	u8    iproto:3;
+	u8    attached_sata_host:1;
+
+	u8    attached_sata_ps:1;
+	u8    _r_g:3;
+	u8    tproto:3;
+	u8    attached_sata_dev:1;
+
+	u8    sas_addr[8];
+	u8    attached_sas_addr[8];
+	u8    attached_phy_id;
+
+	u8    _r_h[7];
+
+	u8    pmin_linkrate:4;
+	u8    hmin_linkrate:4;
+	u8    pmax_linkrate:4;
+	u8    hmax_linkrate:4;
+
+	u8    change_count;
+
+	u8    virtual:1;
+	u8    _r_i:3;
+	u8    pptv:4;
+
+	u8    _r_j:4;
+	u8    routing_attr:4;
+
+	u8    conn_type;
+	u8    conn_el_index;
+	u8    conn_phy_link;
+
+	u8    _r_k[8];
+} __attribute__ ((packed));
+
+struct report_phy_sata_resp {
+	u8    _r_a[5];
+
+	u8    phy_id;
+	u8    _r_b;
+
+	u8    _r_c:6;
+	u8    affil_supp:1;
+	u8    affil_valid:1;
+
+	u32   _r_d;
+
+	u8    stp_sas_addr[8];
+
+	struct dev_to_host_fis fis;
+
+	u32   _r_e;
+
+	u8    affil_stp_ini_addr[8];
+
+	__be32 crc;
+} __attribute__ ((packed));
+
+#else
+#error "Bitfield order not defined!"
+#endif
+
+struct smp_rg_resp {
+	u8    frame_type;
+	u8    function;
+	u8    result;
+	u8    reserved;
+	struct report_general_resp rg;
+} __attribute__ ((packed));
+
+struct smp_disc_resp {
+	u8    frame_type;
+	u8    function;
+	u8    result;
+	u8    reserved;
+	struct discover_resp disc;
+} __attribute__ ((packed));
+
+struct smp_rps_resp {
+	u8    frame_type;
+	u8    function;
+	u8    result;
+	u8    reserved;
+	struct report_phy_sata_resp rps;
+} __attribute__ ((packed));
+
+#endif /* _SAS_H_ */