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/*-
* Copyright (c) 2013 Tsubai Masanari
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $OpenBSD: src/sys/dev/pci/if_vmxreg.h,v 1.2 2013/06/12 01:07:33 uebayasi Exp $
*
* $FreeBSD$
*/
#ifndef _IF_VMXREG_H
#define _IF_VMXREG_H
struct UPT1_TxStats {
uint64_t TSO_packets;
uint64_t TSO_bytes;
uint64_t ucast_packets;
uint64_t ucast_bytes;
uint64_t mcast_packets;
uint64_t mcast_bytes;
uint64_t bcast_packets;
uint64_t bcast_bytes;
uint64_t error;
uint64_t discard;
} __packed;
struct UPT1_RxStats {
uint64_t LRO_packets;
uint64_t LRO_bytes;
uint64_t ucast_packets;
uint64_t ucast_bytes;
uint64_t mcast_packets;
uint64_t mcast_bytes;
uint64_t bcast_packets;
uint64_t bcast_bytes;
uint64_t nobuffer;
uint64_t error;
} __packed;
/* Interrupt moderation levels */
#define UPT1_IMOD_NONE 0 /* No moderation */
#define UPT1_IMOD_HIGHEST 7 /* Least interrupts */
#define UPT1_IMOD_ADAPTIVE 8 /* Adaptive interrupt moderation */
/* Hardware features */
#define UPT1_F_CSUM 0x0001 /* Rx checksum verification */
#define UPT1_F_RSS 0x0002 /* Receive side scaling */
#define UPT1_F_VLAN 0x0004 /* VLAN tag stripping */
#define UPT1_F_LRO 0x0008 /* Large receive offloading */
#define VMXNET3_BAR0_IMASK(irq) (0x000 + (irq) * 8) /* Interrupt mask */
#define VMXNET3_BAR0_TXH(q) (0x600 + (q) * 8) /* Tx head */
#define VMXNET3_BAR0_RXH1(q) (0x800 + (q) * 8) /* Ring1 Rx head */
#define VMXNET3_BAR0_RXH2(q) (0xA00 + (q) * 8) /* Ring2 Rx head */
#define VMXNET3_BAR1_VRRS 0x000 /* VMXNET3 revision report selection */
#define VMXNET3_BAR1_UVRS 0x008 /* UPT version report selection */
#define VMXNET3_BAR1_DSL 0x010 /* Driver shared address low */
#define VMXNET3_BAR1_DSH 0x018 /* Driver shared address high */
#define VMXNET3_BAR1_CMD 0x020 /* Command */
#define VMXNET3_BAR1_MACL 0x028 /* MAC address low */
#define VMXNET3_BAR1_MACH 0x030 /* MAC address high */
#define VMXNET3_BAR1_INTR 0x038 /* Interrupt status */
#define VMXNET3_BAR1_EVENT 0x040 /* Event status */
#define VMXNET3_CMD_ENABLE 0xCAFE0000 /* Enable VMXNET3 */
#define VMXNET3_CMD_DISABLE 0xCAFE0001 /* Disable VMXNET3 */
#define VMXNET3_CMD_RESET 0xCAFE0002 /* Reset device */
#define VMXNET3_CMD_SET_RXMODE 0xCAFE0003 /* Set interface flags */
#define VMXNET3_CMD_SET_FILTER 0xCAFE0004 /* Set address filter */
#define VMXNET3_CMD_VLAN_FILTER 0xCAFE0005 /* Set VLAN filter */
#define VMXNET3_CMD_GET_STATUS 0xF00D0000 /* Get queue errors */
#define VMXNET3_CMD_GET_STATS 0xF00D0001 /* Get queue statistics */
#define VMXNET3_CMD_GET_LINK 0xF00D0002 /* Get link status */
#define VMXNET3_CMD_GET_MACL 0xF00D0003 /* Get MAC address low */
#define VMXNET3_CMD_GET_MACH 0xF00D0004 /* Get MAC address high */
#define VMXNET3_CMD_GET_INTRCFG 0xF00D0008 /* Get interrupt config */
#define VMXNET3_DMADESC_ALIGN 128
#define VMXNET3_INIT_GEN 1
struct vmxnet3_txdesc {
uint64_t addr;
uint32_t len:14;
uint32_t gen:1; /* Generation */
uint32_t pad1:1;
uint32_t dtype:1; /* Descriptor type */
uint32_t pad2:1;
uint32_t offload_pos:14; /* Offloading position */
uint32_t hlen:10; /* Header len */
uint32_t offload_mode:2; /* Offloading mode */
uint32_t eop:1; /* End of packet */
uint32_t compreq:1; /* Completion request */
uint32_t pad3:1;
uint32_t vtag_mode:1; /* VLAN tag insertion mode */
uint32_t vtag:16; /* VLAN tag */
} __packed;
/* Offloading modes */
#define VMXNET3_OM_NONE 0
#define VMXNET3_OM_CSUM 2
#define VMXNET3_OM_TSO 3
struct vmxnet3_txcompdesc {
uint32_t eop_idx:12; /* EOP index in Tx ring */
uint32_t pad1:20;
uint32_t pad2:32;
uint32_t pad3:32;
uint32_t rsvd:24;
uint32_t type:7;
uint32_t gen:1;
} __packed;
struct vmxnet3_rxdesc {
uint64_t addr;
uint32_t len:14;
uint32_t btype:1; /* Buffer type */
uint32_t dtype:1; /* Descriptor type */
uint32_t rsvd:15;
uint32_t gen:1;
uint32_t pad1:32;
} __packed;
/* Buffer types */
#define VMXNET3_BTYPE_HEAD 0 /* Head only */
#define VMXNET3_BTYPE_BODY 1 /* Body only */
struct vmxnet3_rxcompdesc {
uint32_t rxd_idx:12; /* Rx descriptor index */
uint32_t pad1:2;
uint32_t eop:1; /* End of packet */
uint32_t sop:1; /* Start of packet */
uint32_t qid:10;
uint32_t rss_type:4;
uint32_t no_csum:1; /* No checksum calculated */
uint32_t pad2:1;
uint32_t rss_hash:32; /* RSS hash value */
uint32_t len:14;
uint32_t error:1;
uint32_t vlan:1; /* 802.1Q VLAN frame */
uint32_t vtag:16; /* VLAN tag */
uint32_t csum:16;
uint32_t csum_ok:1; /* TCP/UDP checksum ok */
uint32_t udp:1;
uint32_t tcp:1;
uint32_t ipcsum_ok:1; /* IP checksum OK */
uint32_t ipv6:1;
uint32_t ipv4:1;
uint32_t fragment:1; /* IP fragment */
uint32_t fcs:1; /* Frame CRC correct */
uint32_t type:7;
uint32_t gen:1;
} __packed;
#define VMXNET3_REV1_MAGIC 0XBABEFEE1
#define VMXNET3_GOS_UNKNOWN 0x00
#define VMXNET3_GOS_LINUX 0x04
#define VMXNET3_GOS_WINDOWS 0x08
#define VMXNET3_GOS_SOLARIS 0x0C
#define VMXNET3_GOS_FREEBSD 0x10
#define VMXNET3_GOS_PXE 0x14
#define VMXNET3_GOS_32BIT 0x01
#define VMXNET3_GOS_64BIT 0x02
#define VMXNET3_MAX_TX_QUEUES 8
#define VMXNET3_MAX_RX_QUEUES 16
#define VMXNET3_MAX_INTRS \
(VMXNET3_MAX_TX_QUEUES + VMXNET3_MAX_RX_QUEUES + 1)
#define VMXNET3_ICTRL_DISABLE_ALL 0x01
#define VMXNET3_RXMODE_UCAST 0x01
#define VMXNET3_RXMODE_MCAST 0x02
#define VMXNET3_RXMODE_BCAST 0x04
#define VMXNET3_RXMODE_ALLMULTI 0x08
#define VMXNET3_RXMODE_PROMISC 0x10
#define VMXNET3_EVENT_RQERROR 0x01
#define VMXNET3_EVENT_TQERROR 0x02
#define VMXNET3_EVENT_LINK 0x04
#define VMXNET3_EVENT_DIC 0x08
#define VMXNET3_EVENT_DEBUG 0x10
#define VMXNET3_MIN_MTU 60
#define VMXNET3_MAX_MTU 9000
/* Interrupt mask mode. */
#define VMXNET3_IMM_AUTO 0x00
#define VMXNET3_IMM_ACTIVE 0x01
#define VMXNET3_IMM_LAZY 0x02
/* Interrupt type. */
#define VMXNET3_IT_AUTO 0x00
#define VMXNET3_IT_LEGACY 0x01
#define VMXNET3_IT_MSI 0x02
#define VMXNET3_IT_MSIX 0x03
struct vmxnet3_driver_shared {
uint32_t magic;
uint32_t pad1;
/* Misc. control */
uint32_t version; /* Driver version */
uint32_t guest; /* Guest OS */
uint32_t vmxnet3_revision; /* Supported VMXNET3 revision */
uint32_t upt_version; /* Supported UPT version */
uint64_t upt_features;
uint64_t driver_data;
uint64_t queue_shared;
uint32_t driver_data_len;
uint32_t queue_shared_len;
uint32_t mtu;
uint16_t nrxsg_max;
uint8_t ntxqueue;
uint8_t nrxqueue;
uint32_t reserved1[4];
/* Interrupt control */
uint8_t automask;
uint8_t nintr;
uint8_t evintr;
uint8_t modlevel[VMXNET3_MAX_INTRS];
uint32_t ictrl;
uint32_t reserved2[2];
/* Receive filter parameters */
uint32_t rxmode;
uint16_t mcast_tablelen;
uint16_t pad2;
uint64_t mcast_table;
uint32_t vlan_filter[4096 / 32];
struct {
uint32_t version;
uint32_t len;
uint64_t paddr;
} rss, pm, plugin;
uint32_t event;
uint32_t reserved3[5];
} __packed;
struct vmxnet3_txq_shared {
/* Control */
uint32_t npending;
uint32_t intr_threshold;
uint64_t reserved1;
/* Config */
uint64_t cmd_ring;
uint64_t data_ring;
uint64_t comp_ring;
uint64_t driver_data;
uint64_t reserved2;
uint32_t cmd_ring_len;
uint32_t data_ring_len;
uint32_t comp_ring_len;
uint32_t driver_data_len;
uint8_t intr_idx;
uint8_t pad1[7];
/* Queue status */
uint8_t stopped;
uint8_t pad2[3];
uint32_t error;
struct UPT1_TxStats stats;
uint8_t pad3[88];
} __packed;
struct vmxnet3_rxq_shared {
uint8_t update_rxhead;
uint8_t pad1[7];
uint64_t reserved1;
uint64_t cmd_ring[2];
uint64_t comp_ring;
uint64_t driver_data;
uint64_t reserved2;
uint32_t cmd_ring_len[2];
uint32_t comp_ring_len;
uint32_t driver_data_len;
uint8_t intr_idx;
uint8_t pad2[7];
uint8_t stopped;
uint8_t pad3[3];
uint32_t error;
struct UPT1_RxStats stats;
uint8_t pad4[88];
} __packed;
#endif /* _IF_VMXREG_H */
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