Merge remote-tracking branch 'bonzini/hw-dirs' into staging

# By Paolo Bonzini
# Via Paolo Bonzini
* bonzini/hw-dirs: (35 commits)
  hw: move private headers to hw/ subdirectories.
  MAINTAINERS: update for source code movement
  hw: move last file to hw/arm/
  hw: move hw/kvm/ to hw/i386/kvm
  hw: move ARM CPU cores to hw/cpu/, configure with default-configs/
  hw: move other devices to hw/misc/, configure with default-configs/
  hw: move NVRAM interfaces to hw/nvram/, configure with default-configs/
  hw: move GPIO interfaces to hw/gpio/, configure with default-configs/
  hw: move interrupt controllers to hw/intc/, configure with default-configs/
  hw: move DMA controllers to hw/dma/, configure with default-configs/
  hw: move VFIO and ivshmem to hw/misc/
  hw: move PCI bridges to hw/pci-* or hw/ARCH
  hw: move SD/MMC devices to hw/sd/, configure with default-configs/
  hw: move timer devices to hw/timer/, configure with default-configs/
  hw: move ISA bridges and devices to hw/isa/, configure with default-configs/
  hw: move char devices to hw/char/, configure via default-configs/
  hw: move more files to hw/xen/
  hw: move SCSI controllers to hw/scsi/, configure via default-configs/
  hw: move SSI controllers to hw/ssi/, configure via default-configs/
  hw: move I2C controllers to hw/i2c/, configure via default-configs/
  ...

Message-id: 1365442249-18259-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 757 insertions, 0 deletions

diff --git a/hw/net/vmxnet3.h b/hw/net/vmxnet3.h
new file mode 100644
index 0000000000..4eae7c76be
--- /dev/null
+++ b/hw/net/vmxnet3.h
@@ -0,0 +1,757 @@
+/*
+ * QEMU VMWARE VMXNET3 paravirtual NIC interface definitions
+ *
+ * Copyright (c) 2012 Ravello Systems LTD (http://ravellosystems.com)
+ *
+ * Developed by Daynix Computing LTD (http://www.daynix.com)
+ *
+ * Authors:
+ * Dmitry Fleytman <dmitry@daynix.com>
+ * Tamir Shomer <tamirs@daynix.com>
+ * Yan Vugenfirer <yan@daynix.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#ifndef _QEMU_VMXNET3_H
+#define _QEMU_VMXNET3_H
+
+#define VMXNET3_DEVICE_MAX_TX_QUEUES 8
+#define VMXNET3_DEVICE_MAX_RX_QUEUES 8   /* Keep this value as a power of 2 */
+
+/*
+ * VMWARE headers we got from Linux kernel do not fully comply QEMU coding
+ * standards in sense of types and defines used.
+ * Since we didn't want to change VMWARE code, following set of typedefs
+ * and defines needed to compile these headers with QEMU introduced.
+ */
+#define u64     uint64_t
+#define u32     uint32_t
+#define u16     uint16_t
+#define u8      uint8_t
+#define __le16  uint16_t
+#define __le32  uint32_t
+#define __le64  uint64_t
+#define __packed QEMU_PACKED
+
+#if defined(HOST_WORDS_BIGENDIAN)
+#define __BIG_ENDIAN_BITFIELD
+#else
+#endif
+
+/*
+ * Following is an interface definition for
+ * VMXNET3 device as provided by VMWARE
+ * See original copyright from Linux kernel v3.2.8
+ * header file drivers/net/vmxnet3/vmxnet3_defs.h below.
+ */
+
+/*
+ * Linux driver for VMware's vmxnet3 ethernet NIC.
+ *
+ * Copyright (C) 2008-2009, VMware, Inc. All Rights Reserved.
+ *
+ * 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 and no later version.
+ *
+ * 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, GOOD TITLE or
+ * NON INFRINGEMENT.  See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Maintained by: Shreyas Bhatewara <pv-drivers@vmware.com>
+ *
+ */
+
+struct UPT1_TxStats {
+    u64            TSOPktsTxOK;  /* TSO pkts post-segmentation */
+    u64            TSOBytesTxOK;
+    u64            ucastPktsTxOK;
+    u64            ucastBytesTxOK;
+    u64            mcastPktsTxOK;
+    u64            mcastBytesTxOK;
+    u64            bcastPktsTxOK;
+    u64            bcastBytesTxOK;
+    u64            pktsTxError;
+    u64            pktsTxDiscard;
+};
+
+struct UPT1_RxStats {
+    u64            LROPktsRxOK;    /* LRO pkts */
+    u64            LROBytesRxOK;   /* bytes from LRO pkts */
+    /* the following counters are for pkts from the wire, i.e., pre-LRO */
+    u64            ucastPktsRxOK;
+    u64            ucastBytesRxOK;
+    u64            mcastPktsRxOK;
+    u64            mcastBytesRxOK;
+    u64            bcastPktsRxOK;
+    u64            bcastBytesRxOK;
+    u64            pktsRxOutOfBuf;
+    u64            pktsRxError;
+};
+
+/* interrupt moderation level */
+enum {
+    UPT1_IML_NONE        = 0, /* no interrupt moderation */
+    UPT1_IML_HIGHEST    = 7, /* least intr generated */
+    UPT1_IML_ADAPTIVE    = 8, /* adpative intr moderation */
+};
+/* values for UPT1_RSSConf.hashFunc */
+enum {
+    UPT1_RSS_HASH_TYPE_NONE      = 0x0,
+    UPT1_RSS_HASH_TYPE_IPV4      = 0x01,
+    UPT1_RSS_HASH_TYPE_TCP_IPV4  = 0x02,
+    UPT1_RSS_HASH_TYPE_IPV6      = 0x04,
+    UPT1_RSS_HASH_TYPE_TCP_IPV6  = 0x08,
+};
+
+enum {
+    UPT1_RSS_HASH_FUNC_NONE      = 0x0,
+    UPT1_RSS_HASH_FUNC_TOEPLITZ  = 0x01,
+};
+
+#define UPT1_RSS_MAX_KEY_SIZE        40
+#define UPT1_RSS_MAX_IND_TABLE_SIZE  128
+
+struct UPT1_RSSConf {
+    u16            hashType;
+    u16            hashFunc;
+    u16            hashKeySize;
+    u16            indTableSize;
+    u8            hashKey[UPT1_RSS_MAX_KEY_SIZE];
+    u8            indTable[UPT1_RSS_MAX_IND_TABLE_SIZE];
+};
+
+/* features */
+enum {
+    UPT1_F_RXCSUM        = 0x0001, /* rx csum verification */
+    UPT1_F_RSS           = 0x0002,
+    UPT1_F_RXVLAN        = 0x0004, /* VLAN tag stripping */
+    UPT1_F_LRO           = 0x0008,
+};
+
+/* all registers are 32 bit wide */
+/* BAR 1 */
+enum {
+    VMXNET3_REG_VRRS    = 0x0,    /* Vmxnet3 Revision Report Selection */
+    VMXNET3_REG_UVRS    = 0x8,    /* UPT Version Report Selection */
+    VMXNET3_REG_DSAL    = 0x10,    /* Driver Shared Address Low */
+    VMXNET3_REG_DSAH    = 0x18,    /* Driver Shared Address High */
+    VMXNET3_REG_CMD        = 0x20,    /* Command */
+    VMXNET3_REG_MACL    = 0x28,    /* MAC Address Low */
+    VMXNET3_REG_MACH    = 0x30,    /* MAC Address High */
+    VMXNET3_REG_ICR        = 0x38,    /* Interrupt Cause Register */
+    VMXNET3_REG_ECR        = 0x40    /* Event Cause Register */
+};
+
+/* BAR 0 */
+enum {
+    VMXNET3_REG_IMR        = 0x0,     /* Interrupt Mask Register */
+    VMXNET3_REG_TXPROD    = 0x600, /* Tx Producer Index */
+    VMXNET3_REG_RXPROD    = 0x800, /* Rx Producer Index for ring 1 */
+    VMXNET3_REG_RXPROD2    = 0xA00     /* Rx Producer Index for ring 2 */
+};
+
+#define VMXNET3_PT_REG_SIZE     4096    /* BAR 0 */
+#define VMXNET3_VD_REG_SIZE     4096    /* BAR 1 */
+
+#define VMXNET3_REG_ALIGN       8    /* All registers are 8-byte aligned. */
+#define VMXNET3_REG_ALIGN_MASK  0x7
+
+/* I/O Mapped access to registers */
+#define VMXNET3_IO_TYPE_PT              0
+#define VMXNET3_IO_TYPE_VD              1
+#define VMXNET3_IO_ADDR(type, reg)      (((type) << 24) | ((reg) & 0xFFFFFF))
+#define VMXNET3_IO_TYPE(addr)           ((addr) >> 24)
+#define VMXNET3_IO_REG(addr)            ((addr) & 0xFFFFFF)
+
+enum {
+    VMXNET3_CMD_FIRST_SET = 0xCAFE0000,
+    VMXNET3_CMD_ACTIVATE_DEV = VMXNET3_CMD_FIRST_SET, /* 0xCAFE0000 */
+    VMXNET3_CMD_QUIESCE_DEV,                          /* 0xCAFE0001 */
+    VMXNET3_CMD_RESET_DEV,                            /* 0xCAFE0002 */
+    VMXNET3_CMD_UPDATE_RX_MODE,                       /* 0xCAFE0003 */
+    VMXNET3_CMD_UPDATE_MAC_FILTERS,                   /* 0xCAFE0004 */
+    VMXNET3_CMD_UPDATE_VLAN_FILTERS,                  /* 0xCAFE0005 */
+    VMXNET3_CMD_UPDATE_RSSIDT,                        /* 0xCAFE0006 */
+    VMXNET3_CMD_UPDATE_IML,                           /* 0xCAFE0007 */
+    VMXNET3_CMD_UPDATE_PMCFG,                         /* 0xCAFE0008 */
+    VMXNET3_CMD_UPDATE_FEATURE,                       /* 0xCAFE0009 */
+    VMXNET3_CMD_LOAD_PLUGIN,                          /* 0xCAFE000A */
+
+    VMXNET3_CMD_FIRST_GET = 0xF00D0000,
+    VMXNET3_CMD_GET_QUEUE_STATUS = VMXNET3_CMD_FIRST_GET, /* 0xF00D0000 */
+    VMXNET3_CMD_GET_STATS,                                /* 0xF00D0001 */
+    VMXNET3_CMD_GET_LINK,                                 /* 0xF00D0002 */
+    VMXNET3_CMD_GET_PERM_MAC_LO,                          /* 0xF00D0003 */
+    VMXNET3_CMD_GET_PERM_MAC_HI,                          /* 0xF00D0004 */
+    VMXNET3_CMD_GET_DID_LO,                               /* 0xF00D0005 */
+    VMXNET3_CMD_GET_DID_HI,                               /* 0xF00D0006 */
+    VMXNET3_CMD_GET_DEV_EXTRA_INFO,                       /* 0xF00D0007 */
+    VMXNET3_CMD_GET_CONF_INTR                             /* 0xF00D0008 */
+};
+
+/*
+ *    Little Endian layout of bitfields -
+ *    Byte 0 :    7.....len.....0
+ *    Byte 1 :    rsvd gen 13.len.8
+ *    Byte 2 :     5.msscof.0 ext1  dtype
+ *    Byte 3 :     13...msscof...6
+ *
+ *    Big Endian layout of bitfields -
+ *    Byte 0:        13...msscof...6
+ *    Byte 1 :     5.msscof.0 ext1  dtype
+ *    Byte 2 :    rsvd gen 13.len.8
+ *    Byte 3 :    7.....len.....0
+ *
+ *    Thus, le32_to_cpu on the dword will allow the big endian driver to read
+ *    the bit fields correctly. And cpu_to_le32 will convert bitfields
+ *    bit fields written by big endian driver to format required by device.
+ */
+
+struct Vmxnet3_TxDesc {
+    __le64 addr;
+
+#ifdef __BIG_ENDIAN_BITFIELD
+    u32 msscof:14;  /* MSS, checksum offset, flags */
+    u32 ext1:1;
+    u32 dtype:1;    /* descriptor type */
+    u32 rsvd:1;
+    u32 gen:1;      /* generation bit */
+    u32 len:14;
+#else
+    u32 len:14;
+    u32 gen:1;      /* generation bit */
+    u32 rsvd:1;
+    u32 dtype:1;    /* descriptor type */
+    u32 ext1:1;
+    u32 msscof:14;  /* MSS, checksum offset, flags */
+#endif  /* __BIG_ENDIAN_BITFIELD */
+
+#ifdef __BIG_ENDIAN_BITFIELD
+    u32 tci:16;     /* Tag to Insert */
+    u32 ti:1;       /* VLAN Tag Insertion */
+    u32 ext2:1;
+    u32 cq:1;       /* completion request */
+    u32 eop:1;      /* End Of Packet */
+    u32 om:2;       /* offload mode */
+    u32 hlen:10;    /* header len */
+#else
+    u32 hlen:10;    /* header len */
+    u32 om:2;       /* offload mode */
+    u32 eop:1;      /* End Of Packet */
+    u32 cq:1;       /* completion request */
+    u32 ext2:1;
+    u32 ti:1;       /* VLAN Tag Insertion */
+    u32 tci:16;     /* Tag to Insert */
+#endif  /* __BIG_ENDIAN_BITFIELD */
+};
+
+/* TxDesc.OM values */
+#define VMXNET3_OM_NONE        0
+#define VMXNET3_OM_CSUM        2
+#define VMXNET3_OM_TSO        3
+
+/* fields in TxDesc we access w/o using bit fields */
+#define VMXNET3_TXD_EOP_SHIFT    12
+#define VMXNET3_TXD_CQ_SHIFT    13
+#define VMXNET3_TXD_GEN_SHIFT    14
+#define VMXNET3_TXD_EOP_DWORD_SHIFT 3
+#define VMXNET3_TXD_GEN_DWORD_SHIFT 2
+
+#define VMXNET3_TXD_CQ        (1 << VMXNET3_TXD_CQ_SHIFT)
+#define VMXNET3_TXD_EOP        (1 << VMXNET3_TXD_EOP_SHIFT)
+#define VMXNET3_TXD_GEN        (1 << VMXNET3_TXD_GEN_SHIFT)
+
+#define VMXNET3_HDR_COPY_SIZE   128
+
+
+struct Vmxnet3_TxDataDesc {
+    u8        data[VMXNET3_HDR_COPY_SIZE];
+};
+
+#define VMXNET3_TCD_GEN_SHIFT    31
+#define VMXNET3_TCD_GEN_SIZE    1
+#define VMXNET3_TCD_TXIDX_SHIFT    0
+#define VMXNET3_TCD_TXIDX_SIZE    12
+#define VMXNET3_TCD_GEN_DWORD_SHIFT    3
+
+struct Vmxnet3_TxCompDesc {
+    u32        txdIdx:12;    /* Index of the EOP TxDesc */
+    u32        ext1:20;
+
+    __le32        ext2;
+    __le32        ext3;
+
+    u32        rsvd:24;
+    u32        type:7;       /* completion type */
+    u32        gen:1;        /* generation bit */
+};
+
+struct Vmxnet3_RxDesc {
+    __le64        addr;
+
+#ifdef __BIG_ENDIAN_BITFIELD
+    u32        gen:1;        /* Generation bit */
+    u32        rsvd:15;
+    u32        dtype:1;      /* Descriptor type */
+    u32        btype:1;      /* Buffer Type */
+    u32        len:14;
+#else
+    u32        len:14;
+    u32        btype:1;      /* Buffer Type */
+    u32        dtype:1;      /* Descriptor type */
+    u32        rsvd:15;
+    u32        gen:1;        /* Generation bit */
+#endif
+    u32        ext1;
+};
+
+/* values of RXD.BTYPE */
+#define VMXNET3_RXD_BTYPE_HEAD   0    /* head only */
+#define VMXNET3_RXD_BTYPE_BODY   1    /* body only */
+
+/* fields in RxDesc we access w/o using bit fields */
+#define VMXNET3_RXD_BTYPE_SHIFT  14
+#define VMXNET3_RXD_GEN_SHIFT    31
+
+struct Vmxnet3_RxCompDesc {
+#ifdef __BIG_ENDIAN_BITFIELD
+    u32        ext2:1;
+    u32        cnc:1;        /* Checksum Not Calculated */
+    u32        rssType:4;    /* RSS hash type used */
+    u32        rqID:10;      /* rx queue/ring ID */
+    u32        sop:1;        /* Start of Packet */
+    u32        eop:1;        /* End of Packet */
+    u32        ext1:2;
+    u32        rxdIdx:12;    /* Index of the RxDesc */
+#else
+    u32        rxdIdx:12;    /* Index of the RxDesc */
+    u32        ext1:2;
+    u32        eop:1;        /* End of Packet */
+    u32        sop:1;        /* Start of Packet */
+    u32        rqID:10;      /* rx queue/ring ID */
+    u32        rssType:4;    /* RSS hash type used */
+    u32        cnc:1;        /* Checksum Not Calculated */
+    u32        ext2:1;
+#endif  /* __BIG_ENDIAN_BITFIELD */
+
+    __le32        rssHash;      /* RSS hash value */
+
+#ifdef __BIG_ENDIAN_BITFIELD
+    u32        tci:16;       /* Tag stripped */
+    u32        ts:1;         /* Tag is stripped */
+    u32        err:1;        /* Error */
+    u32        len:14;       /* data length */
+#else
+    u32        len:14;       /* data length */
+    u32        err:1;        /* Error */
+    u32        ts:1;         /* Tag is stripped */
+    u32        tci:16;       /* Tag stripped */
+#endif  /* __BIG_ENDIAN_BITFIELD */
+
+
+#ifdef __BIG_ENDIAN_BITFIELD
+    u32        gen:1;        /* generation bit */
+    u32        type:7;       /* completion type */
+    u32        fcs:1;        /* Frame CRC correct */
+    u32        frg:1;        /* IP Fragment */
+    u32        v4:1;         /* IPv4 */
+    u32        v6:1;         /* IPv6 */
+    u32        ipc:1;        /* IP Checksum Correct */
+    u32        tcp:1;        /* TCP packet */
+    u32        udp:1;        /* UDP packet */
+    u32        tuc:1;        /* TCP/UDP Checksum Correct */
+    u32        csum:16;
+#else
+    u32        csum:16;
+    u32        tuc:1;        /* TCP/UDP Checksum Correct */
+    u32        udp:1;        /* UDP packet */
+    u32        tcp:1;        /* TCP packet */
+    u32        ipc:1;        /* IP Checksum Correct */
+    u32        v6:1;         /* IPv6 */
+    u32        v4:1;         /* IPv4 */
+    u32        frg:1;        /* IP Fragment */
+    u32        fcs:1;        /* Frame CRC correct */
+    u32        type:7;       /* completion type */
+    u32        gen:1;        /* generation bit */
+#endif  /* __BIG_ENDIAN_BITFIELD */
+};
+
+/* fields in RxCompDesc we access via Vmxnet3_GenericDesc.dword[3] */
+#define VMXNET3_RCD_TUC_SHIFT    16
+#define VMXNET3_RCD_IPC_SHIFT    19
+
+/* fields in RxCompDesc we access via Vmxnet3_GenericDesc.qword[1] */
+#define VMXNET3_RCD_TYPE_SHIFT    56
+#define VMXNET3_RCD_GEN_SHIFT    63
+
+/* csum OK for TCP/UDP pkts over IP */
+#define VMXNET3_RCD_CSUM_OK (1 << VMXNET3_RCD_TUC_SHIFT | \
+                     1 << VMXNET3_RCD_IPC_SHIFT)
+#define VMXNET3_TXD_GEN_SIZE 1
+#define VMXNET3_TXD_EOP_SIZE 1
+
+/* value of RxCompDesc.rssType */
+enum {
+    VMXNET3_RCD_RSS_TYPE_NONE     = 0,
+    VMXNET3_RCD_RSS_TYPE_IPV4     = 1,
+    VMXNET3_RCD_RSS_TYPE_TCPIPV4  = 2,
+    VMXNET3_RCD_RSS_TYPE_IPV6     = 3,
+    VMXNET3_RCD_RSS_TYPE_TCPIPV6  = 4,
+};
+
+
+/* a union for accessing all cmd/completion descriptors */
+union Vmxnet3_GenericDesc {
+    __le64                qword[2];
+    __le32                dword[4];
+    __le16                word[8];
+    struct Vmxnet3_TxDesc        txd;
+    struct Vmxnet3_RxDesc        rxd;
+    struct Vmxnet3_TxCompDesc    tcd;
+    struct Vmxnet3_RxCompDesc    rcd;
+};
+
+#define VMXNET3_INIT_GEN       1
+
+/* Max size of a single tx buffer */
+#define VMXNET3_MAX_TX_BUF_SIZE  (1 << 14)
+
+/* # of tx desc needed for a tx buffer size */
+#define VMXNET3_TXD_NEEDED(size) (((size) + VMXNET3_MAX_TX_BUF_SIZE - 1) / \
+                    VMXNET3_MAX_TX_BUF_SIZE)
+
+/* max # of tx descs for a non-tso pkt */
+#define VMXNET3_MAX_TXD_PER_PKT 16
+
+/* Max size of a single rx buffer */
+#define VMXNET3_MAX_RX_BUF_SIZE  ((1 << 14) - 1)
+/* Minimum size of a type 0 buffer */
+#define VMXNET3_MIN_T0_BUF_SIZE  128
+#define VMXNET3_MAX_CSUM_OFFSET  1024
+
+/* Ring base address alignment */
+#define VMXNET3_RING_BA_ALIGN   512
+#define VMXNET3_RING_BA_MASK    (VMXNET3_RING_BA_ALIGN - 1)
+
+/* Ring size must be a multiple of 32 */
+#define VMXNET3_RING_SIZE_ALIGN 32
+#define VMXNET3_RING_SIZE_MASK  (VMXNET3_RING_SIZE_ALIGN - 1)
+
+/* Max ring size */
+#define VMXNET3_TX_RING_MAX_SIZE   4096
+#define VMXNET3_TC_RING_MAX_SIZE   4096
+#define VMXNET3_RX_RING_MAX_SIZE   4096
+#define VMXNET3_RC_RING_MAX_SIZE   8192
+
+/* a list of reasons for queue stop */
+
+enum {
+ VMXNET3_ERR_NOEOP        = 0x80000000, /* cannot find the EOP desc of a pkt */
+ VMXNET3_ERR_TXD_REUSE    = 0x80000001, /* reuse TxDesc before tx completion */
+ VMXNET3_ERR_BIG_PKT      = 0x80000002, /* too many TxDesc for a pkt */
+ VMXNET3_ERR_DESC_NOT_SPT = 0x80000003, /* descriptor type not supported */
+ VMXNET3_ERR_SMALL_BUF    = 0x80000004, /* type 0 buffer too small */
+ VMXNET3_ERR_STRESS       = 0x80000005, /* stress option firing in vmkernel */
+ VMXNET3_ERR_SWITCH       = 0x80000006, /* mode switch failure */
+ VMXNET3_ERR_TXD_INVALID  = 0x80000007, /* invalid TxDesc */
+};
+
+/* completion descriptor types */
+#define VMXNET3_CDTYPE_TXCOMP      0    /* Tx Completion Descriptor */
+#define VMXNET3_CDTYPE_RXCOMP      3    /* Rx Completion Descriptor */
+
+enum {
+    VMXNET3_GOS_BITS_UNK    = 0,   /* unknown */
+    VMXNET3_GOS_BITS_32     = 1,
+    VMXNET3_GOS_BITS_64     = 2,
+};
+
+#define VMXNET3_GOS_TYPE_UNK        0 /* unknown */
+#define VMXNET3_GOS_TYPE_LINUX      1
+#define VMXNET3_GOS_TYPE_WIN        2
+#define VMXNET3_GOS_TYPE_SOLARIS    3
+#define VMXNET3_GOS_TYPE_FREEBSD    4
+#define VMXNET3_GOS_TYPE_PXE        5
+
+struct Vmxnet3_GOSInfo {
+#ifdef __BIG_ENDIAN_BITFIELD
+    u32        gosMisc:10;    /* other info about gos */
+    u32        gosVer:16;     /* gos version */
+    u32        gosType:4;     /* which guest */
+    u32        gosBits:2;    /* 32-bit or 64-bit? */
+#else
+    u32        gosBits:2;     /* 32-bit or 64-bit? */
+    u32        gosType:4;     /* which guest */
+    u32        gosVer:16;     /* gos version */
+    u32        gosMisc:10;    /* other info about gos */
+#endif  /* __BIG_ENDIAN_BITFIELD */
+};
+
+struct Vmxnet3_DriverInfo {
+    __le32                version;
+    struct Vmxnet3_GOSInfo        gos;
+    __le32                vmxnet3RevSpt;
+    __le32                uptVerSpt;
+};
+
+
+#define VMXNET3_REV1_MAGIC  0xbabefee1
+
+/*
+ * QueueDescPA must be 128 bytes aligned. It points to an array of
+ * Vmxnet3_TxQueueDesc followed by an array of Vmxnet3_RxQueueDesc.
+ * The number of Vmxnet3_TxQueueDesc/Vmxnet3_RxQueueDesc are specified by
+ * Vmxnet3_MiscConf.numTxQueues/numRxQueues, respectively.
+ */
+#define VMXNET3_QUEUE_DESC_ALIGN  128
+
+
+struct Vmxnet3_MiscConf {
+    struct Vmxnet3_DriverInfo driverInfo;
+    __le64        uptFeatures;
+    __le64        ddPA;         /* driver data PA */
+    __le64        queueDescPA;  /* queue descriptor table PA */
+    __le32        ddLen;        /* driver data len */
+    __le32        queueDescLen; /* queue desc. table len in bytes */
+    __le32        mtu;
+    __le16        maxNumRxSG;
+    u8        numTxQueues;
+    u8        numRxQueues;
+    __le32        reserved[4];
+};
+
+
+struct Vmxnet3_TxQueueConf {
+    __le64        txRingBasePA;
+    __le64        dataRingBasePA;
+    __le64        compRingBasePA;
+    __le64        ddPA;         /* driver data */
+    __le64        reserved;
+    __le32        txRingSize;   /* # of tx desc */
+    __le32        dataRingSize; /* # of data desc */
+    __le32        compRingSize; /* # of comp desc */
+    __le32        ddLen;        /* size of driver data */
+    u8        intrIdx;
+    u8        _pad[7];
+};
+
+
+struct Vmxnet3_RxQueueConf {
+    __le64        rxRingBasePA[2];
+    __le64        compRingBasePA;
+    __le64        ddPA;            /* driver data */
+    __le64        reserved;
+    __le32        rxRingSize[2];   /* # of rx desc */
+    __le32        compRingSize;    /* # of rx comp desc */
+    __le32        ddLen;           /* size of driver data */
+    u8        intrIdx;
+    u8        _pad[7];
+};
+
+
+enum vmxnet3_intr_mask_mode {
+    VMXNET3_IMM_AUTO   = 0,
+    VMXNET3_IMM_ACTIVE = 1,
+    VMXNET3_IMM_LAZY   = 2
+};
+
+enum vmxnet3_intr_type {
+    VMXNET3_IT_AUTO = 0,
+    VMXNET3_IT_INTX = 1,
+    VMXNET3_IT_MSI  = 2,
+    VMXNET3_IT_MSIX = 3
+};
+
+#define VMXNET3_MAX_TX_QUEUES  8
+#define VMXNET3_MAX_RX_QUEUES  16
+/* addition 1 for events */
+#define VMXNET3_MAX_INTRS      25
+
+/* value of intrCtrl */
+#define VMXNET3_IC_DISABLE_ALL  0x1   /* bit 0 */
+
+
+struct Vmxnet3_IntrConf {
+    bool        autoMask;
+    u8        numIntrs;      /* # of interrupts */
+    u8        eventIntrIdx;
+    u8        modLevels[VMXNET3_MAX_INTRS];    /* moderation level for
+                             * each intr */
+    __le32        intrCtrl;
+    __le32        reserved[2];
+};
+
+/* one bit per VLAN ID, the size is in the units of u32 */
+#define VMXNET3_VFT_SIZE  (4096/(sizeof(uint32_t)*8))
+
+
+struct Vmxnet3_QueueStatus {
+    bool        stopped;
+    u8        _pad[3];
+    __le32        error;
+};
+
+
+struct Vmxnet3_TxQueueCtrl {
+    __le32        txNumDeferred;
+    __le32        txThreshold;
+    __le64        reserved;
+};
+
+
+struct Vmxnet3_RxQueueCtrl {
+    bool        updateRxProd;
+    u8        _pad[7];
+    __le64        reserved;
+};
+
+enum {
+    VMXNET3_RXM_UCAST     = 0x01,  /* unicast only */
+    VMXNET3_RXM_MCAST     = 0x02,  /* multicast passing the filters */
+    VMXNET3_RXM_BCAST     = 0x04,  /* broadcast only */
+    VMXNET3_RXM_ALL_MULTI = 0x08,  /* all multicast */
+    VMXNET3_RXM_PROMISC   = 0x10  /* promiscuous */
+};
+
+struct Vmxnet3_RxFilterConf {
+    __le32        rxMode;       /* VMXNET3_RXM_xxx */
+    __le16        mfTableLen;   /* size of the multicast filter table */
+    __le16        _pad1;
+    __le64        mfTablePA;    /* PA of the multicast filters table */
+    __le32        vfTable[VMXNET3_VFT_SIZE]; /* vlan filter */
+};
+
+
+#define VMXNET3_PM_MAX_FILTERS        6
+#define VMXNET3_PM_MAX_PATTERN_SIZE   128
+#define VMXNET3_PM_MAX_MASK_SIZE      (VMXNET3_PM_MAX_PATTERN_SIZE / 8)
+
+#define VMXNET3_PM_WAKEUP_MAGIC  cpu_to_le16(0x01)  /* wake up on magic pkts */
+#define VMXNET3_PM_WAKEUP_FILTER cpu_to_le16(0x02)  /* wake up on pkts matching
+                                                     * filters */
+
+
+struct Vmxnet3_PM_PktFilter {
+    u8        maskSize;
+    u8        patternSize;
+    u8        mask[VMXNET3_PM_MAX_MASK_SIZE];
+    u8        pattern[VMXNET3_PM_MAX_PATTERN_SIZE];
+    u8        pad[6];
+};
+
+
+struct Vmxnet3_PMConf {
+    __le16        wakeUpEvents;  /* VMXNET3_PM_WAKEUP_xxx */
+    u8        numFilters;
+    u8        pad[5];
+    struct Vmxnet3_PM_PktFilter filters[VMXNET3_PM_MAX_FILTERS];
+};
+
+
+struct Vmxnet3_VariableLenConfDesc {
+    __le32        confVer;
+    __le32        confLen;
+    __le64        confPA;
+};
+
+
+struct Vmxnet3_TxQueueDesc {
+    struct Vmxnet3_TxQueueCtrl        ctrl;
+    struct Vmxnet3_TxQueueConf        conf;
+
+    /* Driver read after a GET command */
+    struct Vmxnet3_QueueStatus        status;
+    struct UPT1_TxStats            stats;
+    u8                    _pad[88]; /* 128 aligned */
+};
+
+
+struct Vmxnet3_RxQueueDesc {
+    struct Vmxnet3_RxQueueCtrl        ctrl;
+    struct Vmxnet3_RxQueueConf        conf;
+    /* Driver read after a GET commad */
+    struct Vmxnet3_QueueStatus        status;
+    struct UPT1_RxStats            stats;
+    u8                      __pad[88]; /* 128 aligned */
+};
+
+
+struct Vmxnet3_DSDevRead {
+    /* read-only region for device, read by dev in response to a SET cmd */
+    struct Vmxnet3_MiscConf            misc;
+    struct Vmxnet3_IntrConf            intrConf;
+    struct Vmxnet3_RxFilterConf        rxFilterConf;
+    struct Vmxnet3_VariableLenConfDesc    rssConfDesc;
+    struct Vmxnet3_VariableLenConfDesc    pmConfDesc;
+    struct Vmxnet3_VariableLenConfDesc    pluginConfDesc;
+};
+
+/* All structures in DriverShared are padded to multiples of 8 bytes */
+struct Vmxnet3_DriverShared {
+    __le32              magic;
+    /* make devRead start at 64bit boundaries */
+    __le32              pad;
+    struct Vmxnet3_DSDevRead    devRead;
+    __le32              ecr;
+    __le32              reserved[5];
+};
+
+
+#define VMXNET3_ECR_RQERR       (1 << 0)
+#define VMXNET3_ECR_TQERR       (1 << 1)
+#define VMXNET3_ECR_LINK        (1 << 2)
+#define VMXNET3_ECR_DIC         (1 << 3)
+#define VMXNET3_ECR_DEBUG       (1 << 4)
+
+/* flip the gen bit of a ring */
+#define VMXNET3_FLIP_RING_GEN(gen) ((gen) = (gen) ^ 0x1)
+
+/* only use this if moving the idx won't affect the gen bit */
+#define VMXNET3_INC_RING_IDX_ONLY(idx, ring_size) \
+    do {\
+        (idx)++;\
+        if (unlikely((idx) == (ring_size))) {\
+            (idx) = 0;\
+        } \
+    } while (0)
+
+#define VMXNET3_SET_VFTABLE_ENTRY(vfTable, vid) \
+    (vfTable[vid >> 5] |= (1 << (vid & 31)))
+#define VMXNET3_CLEAR_VFTABLE_ENTRY(vfTable, vid) \
+    (vfTable[vid >> 5] &= ~(1 << (vid & 31)))
+
+#define VMXNET3_VFTABLE_ENTRY_IS_SET(vfTable, vid) \
+    ((vfTable[vid >> 5] & (1 << (vid & 31))) != 0)
+
+#define VMXNET3_MAX_MTU     9000
+#define VMXNET3_MIN_MTU     60
+
+#define VMXNET3_LINK_UP         (10000 << 16 | 1)    /* 10 Gbps, up */
+#define VMXNET3_LINK_DOWN       0
+
+#undef u64
+#undef u32
+#undef u16
+#undef u8
+#undef __le16
+#undef __le32
+#undef __le64
+#undef __packed
+#if defined(HOST_WORDS_BIGENDIAN)
+#undef __BIG_ENDIAN_BITFIELD
+#endif
+
+#endif