LXR qemu/include/hw/net/msf2-emac.h

   1/*
   2 * QEMU model of the Smartfusion2 Ethernet MAC.
   3 *
   4 * Copyright (c) 2020 Subbaraya Sundeep <sundeep.lkml@gmail.com>.
   5 *
   6 * Permission is hereby granted, free of charge, to any person obtaining a copy
   7 * of this software and associated documentation files (the "Software"), to deal
   8 * in the Software without restriction, including without limitation the rights
   9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10 * copies of the Software, and to permit persons to whom the Software is
  11 * furnished to do so, subject to the following conditions:
  12 *
  13 * The above copyright notice and this permission notice shall be included in
  14 * all copies or substantial portions of the Software.
  15 *
  16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22 * THE SOFTWARE.
  23 */
  24
  25#include "hw/sysbus.h"
  26#include "exec/memory.h"
  27#include "net/net.h"
  28#include "net/eth.h"
  29#include "qom/object.h"
  30
  31#define TYPE_MSS_EMAC "msf2-emac"
  32OBJECT_DECLARE_SIMPLE_TYPE(MSF2EmacState, MSS_EMAC)
  33
  34#define R_MAX         (0x1a0 / 4)
  35#define PHY_MAX_REGS  32
  36
  37struct MSF2EmacState {
  38    SysBusDevice parent;
  39
  40    MemoryRegion mmio;
  41    MemoryRegion *dma_mr;
  42    AddressSpace dma_as;
  43
  44    qemu_irq irq;
  45    NICState *nic;
  46    NICConf conf;
  47
  48    uint8_t mac_addr[ETH_ALEN];
  49    uint32_t rx_desc;
  50    uint16_t phy_regs[PHY_MAX_REGS];
  51
  52    uint32_t regs[R_MAX];
  53};
  54