tests/qtest/libqos/e1000e.h

   1 /*
   2  * libqos driver framework
   3  *
   4  * Copyright (c) 2018 Emanuele Giuseppe Esposito <e.emanuelegiuseppe@gmail.com>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License version 2.1 as published by the Free Software Foundation.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, see <http://www.gnu.org/licenses/>
  17  */
  18
  19 #ifndef QGRAPH_E1000E_H
  20 #define QGRAPH_E1000E_H
  21
  22 #include "qgraph.h"
  23 #include "pci.h"
  24
  25 #define E1000E_RX0_MSG_ID           (0)
  26 #define E1000E_TX0_MSG_ID           (1)
  27
  28 #define E1000E_ADDRESS { 0x52, 0x54, 0x00, 0x12, 0x34, 0x56 }
  29
  30 typedef struct QE1000E QE1000E;
  31 typedef struct QE1000E_PCI QE1000E_PCI;
  32
  33 struct QE1000E {
  34     uint64_t tx_ring;
  35     uint64_t rx_ring;
  36 };
  37
  38 struct QE1000E_PCI {
  39     QOSGraphObject obj;
  40     QPCIDevice pci_dev;
  41     QPCIBar mac_regs;
  42     QE1000E e1000e;
  43 };
  44
  45 static inline void e1000e_macreg_write(QE1000E *d, uint32_t reg, uint32_t val)
  46 {
  47     QE1000E_PCI *d_pci = container_of(d, QE1000E_PCI, e1000e);
  48     qpci_io_writel(&d_pci->pci_dev, d_pci->mac_regs, reg, val);
  49 }
  50
  51 static inline uint32_t e1000e_macreg_read(QE1000E *d, uint32_t reg)
  52 {
  53     QE1000E_PCI *d_pci = container_of(d, QE1000E_PCI, e1000e);
  54     return qpci_io_readl(&d_pci->pci_dev, d_pci->mac_regs, reg);
  55 }
  56
  57 void e1000e_wait_isr(QE1000E *d, uint16_t msg_id);
  58 void e1000e_tx_ring_push(QE1000E *d, void *descr);
  59 void e1000e_rx_ring_push(QE1000E *d, void *descr);
  60
  61 #endif