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Diffstat (limited to 'hw/net/e1000e_core.h')
| -rw-r--r-- | hw/net/e1000e_core.h | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/hw/net/e1000e_core.h b/hw/net/e1000e_core.h new file mode 100644 index 0000000000..5f413a9e08 --- /dev/null +++ b/hw/net/e1000e_core.h @@ -0,0 +1,146 @@ +/* +* Core code for QEMU e1000e emulation +* +* Software developer's manuals: +* http://www.intel.com/content/dam/doc/datasheet/82574l-gbe-controller-datasheet.pdf +* +* Copyright (c) 2015 Ravello Systems LTD (http://ravellosystems.com) +* Developed by Daynix Computing LTD (http://www.daynix.com) +* +* Authors: +* Dmitry Fleytman <dmitry@daynix.com> +* Leonid Bloch <leonid@daynix.com> +* Yan Vugenfirer <yan@daynix.com> +* +* Based on work done by: +* Nir Peleg, Tutis Systems Ltd. for Qumranet Inc. +* Copyright (c) 2008 Qumranet +* Based on work done by: +* Copyright (c) 2007 Dan Aloni +* Copyright (c) 2004 Antony T Curtis +* +* This library is free software; you can redistribute it and/or +* modify it under the terms of the GNU Lesser General Public +* License as published by the Free Software Foundation; either +* version 2 of the License, or (at your option) any later version. +* +* This library 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. See the GNU +* Lesser General Public License for more details. +* +* You should have received a copy of the GNU Lesser General Public +* License along with this library; if not, see <http://www.gnu.org/licenses/>. +*/ + +#define E1000E_PHY_PAGE_SIZE (0x20) +#define E1000E_PHY_PAGES (0x07) +#define E1000E_MAC_SIZE (0x8000) +#define E1000E_EEPROM_SIZE (64) +#define E1000E_MSIX_VEC_NUM (5) +#define E1000E_NUM_QUEUES (2) + +typedef struct E1000Core E1000ECore; + +enum { PHY_R = BIT(0), + PHY_W = BIT(1), + PHY_RW = PHY_R | PHY_W, + PHY_ANYPAGE = BIT(2) }; + +typedef struct E1000IntrDelayTimer_st { + QEMUTimer *timer; + bool running; + uint32_t delay_reg; + uint32_t delay_resolution_ns; + E1000ECore *core; +} E1000IntrDelayTimer; + +struct E1000Core { + uint32_t mac[E1000E_MAC_SIZE]; + uint16_t phy[E1000E_PHY_PAGES][E1000E_PHY_PAGE_SIZE]; + uint16_t eeprom[E1000E_EEPROM_SIZE]; + + uint32_t rxbuf_sizes[E1000_PSRCTL_BUFFS_PER_DESC]; + uint32_t rx_desc_buf_size; + uint32_t rxbuf_min_shift; + uint8_t rx_desc_len; + + QEMUTimer *autoneg_timer; + + struct e1000e_tx { + e1000x_txd_props props; + + bool skip_cp; + struct NetTxPkt *tx_pkt; + } tx[E1000E_NUM_QUEUES]; + + struct NetRxPkt *rx_pkt; + + bool has_vnet; + int max_queue_num; + + /* Interrupt moderation management */ + uint32_t delayed_causes; + + E1000IntrDelayTimer radv; + E1000IntrDelayTimer rdtr; + E1000IntrDelayTimer raid; + + E1000IntrDelayTimer tadv; + E1000IntrDelayTimer tidv; + + E1000IntrDelayTimer itr; + bool itr_intr_pending; + + E1000IntrDelayTimer eitr[E1000E_MSIX_VEC_NUM]; + bool eitr_intr_pending[E1000E_MSIX_VEC_NUM]; + + VMChangeStateEntry *vmstate; + + uint32_t itr_guest_value; + uint32_t eitr_guest_value[E1000E_MSIX_VEC_NUM]; + + uint16_t vet; + + uint8_t permanent_mac[ETH_ALEN]; + + NICState *owner_nic; + PCIDevice *owner; + void (*owner_start_recv)(PCIDevice *d); +}; + +void +e1000e_core_write(E1000ECore *core, hwaddr addr, uint64_t val, unsigned size); + +uint64_t +e1000e_core_read(E1000ECore *core, hwaddr addr, unsigned size); + +void +e1000e_core_pci_realize(E1000ECore *regs, + const uint16_t *eeprom_templ, + uint32_t eeprom_size, + const uint8_t *macaddr); + +void +e1000e_core_reset(E1000ECore *core); + +void +e1000e_core_pre_save(E1000ECore *core); + +int +e1000e_core_post_load(E1000ECore *core); + +void +e1000e_core_set_link_status(E1000ECore *core); + +void +e1000e_core_pci_uninit(E1000ECore *core); + +int +e1000e_can_receive(E1000ECore *core); + +ssize_t +e1000e_receive(E1000ECore *core, const uint8_t *buf, size_t size); + +ssize_t +e1000e_receive_iov(E1000ECore *core, const struct iovec *iov, int iovcnt); |