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 62