/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved. * Copyright (c) 2022-2023, Qualcomm Innovation Center, Inc. All rights reserved. */ #ifndef __VDEV_VIRTIO_EAVB_H__ #define __VDEV_VIRTIO_EAVB_H__ #define IF_NAMESIZE 16 #define STATION_ADDR_SIZE 8 #define MAX_STREAM_NUM 8 #define MAX_CONFIG_FILE_PATH 512 #define VERSION_MAJOR 1 #define VERSION_MINOR 1 #define VIRTIO_EAVB_T_CREATE_STREAM 0 #define VIRTIO_EAVB_T_GET_STREAM_INFO 1 #define VIRTIO_EAVB_T_CONNECT_STREAM 2 #define VIRTIO_EAVB_T_RECEIVE 3 #define VIRTIO_EAVB_T_TRANSMIT 4 #define VIRTIO_EAVB_T_DISCONNECT_STREAM 5 #define VIRTIO_EAVB_T_DESTROY_STREAM 6 #define VIRTIO_EAVB_T_CREATE_STREAM_PATH 7 #define VIRTIO_EAVB_T_VERSION 8 #define VIRTIO_EAVB_T_MMAP 9 #define VIRTIO_EAVB_T_MUNMAP 10 #define VIRTIO_EAVB_T_UPDATE_CLK 11 struct vio_msg_hdr { uint16_t msgid; /* unique message id */ uint16_t len; /* command total length */ uint32_t cmd; /* command */ uint64_t streamctx_hdl;/* streamCtx handle */ int32_t stream_idx; /* streamCtx idx in BE */ int32_t result; /* command result */ } __packed; /* * EAVB_IOCTL_CREATE_STREAM */ struct vio_stream_config { uint16_t stream_id; char eth_interface[IF_NAMESIZE]; uint16_t vlan_id; uint16_t ring_buffer_elem_count; int ring_buffer_mode; int avb_role; /* talker = 0 or listener = 1 */ uint8_t dest_macaddr[STATION_ADDR_SIZE]; uint8_t stream_addr[STATION_ADDR_SIZE]; /* "crf_macaddr" or "crf_dest_macaddr" */ uint8_t crf_dest_macaddr[STATION_ADDR_SIZE]; uint8_t crf_stream_addr[STATION_ADDR_SIZE]; int mapping_type; int wakeup_interval; /* "wakeup_interval" or "tx_interval" */ int tx_pkts_per_sec; /* if not set, do default */ int max_stale_ms; /* int max_stale_ns = max_stale_ms*1000 */ int presentation_time_ms; /* if not set, do default */ int enforce_presentation_time; int sr_class_type; /* A = 0 B = 1 AAF = 2 */ /* sets number of items to se sent on each tx / rx */ int packing_factor; int bandwidth; /* H.264 */ int max_payload; /* "max_payload" or "max_video_payload" */ int mrp_enabled; /* Audio Specific */ int pcm_bit_depth; int pcm_channels; int sample_rate; /* in hz */ unsigned char endianness; /* 0 = big 1 = little */ int ieee1722_standard; /* Thread priority in QNX side */ int talker_priority; int listener_priority; int crf_priority; /* CRF */ /* 0 - disabled * 1 - CRF talker (listener drives reference) * 2 - CRF with talker reference (talker has CRF talker) */ int crf_mode; /* 0 - custom * 1- audio * 2- video frame * 3 - video line * 4 - machine cycle */ int crf_type; /* time interval after how many events timestamp is to be produced * (base_frequency * pull) / timestamp_interval = * # of timestamps per second */ int crf_timestamping_interval; int crf_timestamping_interval_remote; int crf_timestamping_interval_local; /* enables/disables dynamic IPG adjustments */ int crf_allow_dynamic_tx_adjust; /* indicates how many CRF timestamps per each CRF packet */ int crf_num_timestamps_per_pkt; int64_t crf_mcr_adjust_min_ppm; int64_t crf_mcr_adjust_max_ppm; uint16_t crf_stream_id; /* CRF stream ID */ int32_t crf_base_frequency; /* CRF base frequency */ int32_t crf_listener_ts_smoothing; int32_t crf_talker_ts_smoothing; /* multiplier for the base frequency; */ int crf_pull; /* indicates how often to issue MCR callback events * how many packets will generate one callback. */ int crf_event_callback_interval; /* Indicates how often to update IPG */ int crf_dynamic_tx_adjust_interval; /* stats */ int32_t enable_stats_reporting; int32_t stats_reporting_interval; int32_t stats_reporting_samples; /* packet tracking */ int32_t enable_packet_tracking; int32_t packet_tracking_interval; int blocking_write_enabled; double blocking_write_fill_level; int app_tx_block_enabled; int stream_interleaving_enabled; int create_talker_thread; int create_crf_threads; int listener_bpf_pkts_per_buff; } __packed; struct vio_create_stream_msg { struct vio_msg_hdr mhdr; struct vio_stream_config cfg; uint64_t streamCtx; int32_t stream_idx; } __packed; struct vio_create_stream_path_msg { struct vio_msg_hdr mhdr; char path[MAX_CONFIG_FILE_PATH]; uint64_t streamCtx; int32_t stream_idx; } __packed; /* * EAVB_IOCTL_GET_STREAM_INFO */ struct eavb_stream_info { int role; int mapping_type; /* Max packet payload size */ unsigned int max_payload; /* Number of packets sent per wake */ unsigned int pkts_per_wake; /* Time to sleep between wakes */ unsigned int wakeup_period_us; /* Audio Specific */ /* Audio bit depth 8/16/24/32 */ int pcm_bit_depth; /* Audio channels 1/2 */ int num_pcm_channels; /* Audio sample rate in hz */ int sample_rate; /* Audio sample endianness 0(big)/1(little) */ unsigned char endianness; /* Max buffer size (Bytes) allowed */ unsigned int max_buffer_size; /* qavb ring buffer size*/ uint32_t ring_buffer_size; } __packed; struct vio_get_stream_info_msg { struct vio_msg_hdr mhdr; struct eavb_stream_info stream_info; } __packed; /* * EAVB_IOCTL_CONNECT_STREAM */ struct vio_connect_stream_msg { struct vio_msg_hdr mhdr; } __packed; /* * EAVB_IOCTL_RECEIVE */ struct eavb_buf_hdr { /* This flag is used for H.264 and MJPEG streams: * 1. H.264: Set for the very last packet of an access unit. * 2. MJPEG Set the last packet of a video frame. */ uint32_t flag_end_of_frame:1; /* This flag is used in file transfer only: * Set for the last packet in the file */ uint32_t flag_end_of_file:1; uint32_t flag_reserved:30; /* Audio event Layout D3scription Valid Channels * event value * 0 Static layout Based on config * 1 Mono 0 * 2 Stereo 0, 1 * 3 5.1 0,1,2,3,4,5 * 4 7.1 0,1,2,3,4,5,6,7 * 5-15 Custom Defined by System * Integrator */ uint32_t event; uint32_t reserved; uint32_t payload_size; /* Size of the payload (bytes) */ uint32_t buf_ele_count; } __packed; struct eavb_buf_data { struct eavb_buf_hdr hdr; uint64_t gpa; /* GVM physical address of buffer */ } __packed; struct vio_receive_msg { struct vio_msg_hdr mhdr; struct eavb_buf_data data; /* IN/OUT */ int32_t received; } __packed; /* * EAVB_IOCTL_TRANSMIT */ struct vio_transmit_msg { struct vio_msg_hdr mhdr; struct eavb_buf_data data; /* IN/OUT */ int32_t written; uint32_t mapping_size; } __packed; /* * EAVB_IOCTL_DISCONNECT_STREAM */ struct vio_disconnect_stream_msg { struct vio_msg_hdr mhdr; } __packed; /* * EAVB_IOCTL_DESTROY_STREAM */ struct vio_destroy_stream_msg { struct vio_msg_hdr mhdr; } __packed; /* * EAVB_IOCTL_VERSION */ struct vio_version_msg { struct vio_msg_hdr mhdr; /* IN */ uint16_t major; /* IN */ uint16_t minor; /* IN */ } __packed; /* * EAVB_IOCTL_MMAP */ struct vio_mmap_msg { struct vio_msg_hdr mhdr; /* IN */ uint32_t size; /* IN */ uint64_t gpa; /* IN */ } __packed; /* * EAVB_IOCTL_MUNMAP */ struct vio_munmap_msg { struct vio_msg_hdr mhdr; /* IN */ uint64_t gpa; /* IN */ } __packed; /* * EAVB_IOCTL_UPDATE_CLK */ struct vio_update_clk_msg { struct vio_msg_hdr mhdr; /* IN */ uint64_t clk; /* IN */ } __packed; #endif /* __VDEV_VIRTIO_EAVB_H__ */