| /* |
| * Copyright (c) 2021 Carlo Caione <ccaione@baylibre.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #ifndef COMMON_H__ |
| #define COMMON_H__ |
| |
| #define VDEV_START_ADDR DT_REG_ADDR(DT_CHOSEN(zephyr_ipc_shm)) |
| #define VDEV_SIZE DT_REG_SIZE(DT_CHOSEN(zephyr_ipc_shm)) |
| |
| #define VDEV_STATUS_ADDR VDEV_START_ADDR |
| #define VDEV_STATUS_SIZE 0x400 |
| |
| #define SHM_START_ADDR (VDEV_START_ADDR + VDEV_STATUS_SIZE) |
| #define SHM_SIZE (VDEV_SIZE - VDEV_STATUS_SIZE) |
| #define SHM_DEVICE_NAME "sramx.shm" |
| |
| #define VRING_COUNT 2 |
| #define VRING_RX_ADDRESS (VDEV_START_ADDR + SHM_SIZE - VDEV_STATUS_SIZE) |
| #define VRING_TX_ADDRESS (VDEV_START_ADDR + SHM_SIZE) |
| #define VRING_ALIGNMENT 4 |
| #define VRING_SIZE 16 |
| |
| struct payload { |
| unsigned long cnt; |
| unsigned long size; |
| unsigned char data[]; |
| }; |
| |
| #endif |
