150c909ba3
Add support for virtualized APR frontend driver for audio. Virtualized APR frontend driver resides in guest VM and supports all legacy APR APIs. It will rely on MSM_HAB to communicate with APR backend driver, which resides in physical VM, where legacy SMD is utilized for communication between APPS and ADSP. Change-Id: I1df70a76defec17a45db93f3707c35e4fa796bc0 Signed-off-by: Timothy Sham <tsham@codeaurora.org>
109 rivejä
2.8 KiB
C
109 rivejä
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016-2017, 2019 The Linux Foundation. All rights reserved.
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*/
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#ifndef __APRV2_VM_H__
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#define __APRV2_VM_H__
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#define APRV2_VM_MAX_DNS_SIZE (31)
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/* Includes NULL character. */
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#define APRV2_VM_PKT_SERVICE_ID_MASK (0x00FF)
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/* Bitmask of the service ID field. */
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/* Packet Structure Definition */
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struct aprv2_vm_packet_t {
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uint32_t header;
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uint16_t src_addr;
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uint16_t src_port;
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uint16_t dst_addr;
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uint16_t dst_port;
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uint32_t token;
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uint32_t opcode;
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};
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/**
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* In order to send command/event via MM HAB, the following buffer
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* format shall be followed, where the buffer is provided to the
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* HAB send API.
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* |-----cmd_id or evt_id -----| <- 32 bit, e.g. APRV2_VM_CMDID_REGISTER
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* |-----cmd payload ----------| e.g. aprv2_vm_cmd_register_t
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* | ... |
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*
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* In order to receive a command response or event ack, the following
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* buffer format shall be followed, where the buffer is provided to
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* the HAB receive API.
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* |-----cmd response ---------| e.g. aprv2_vm_cmd_register_rsp_t
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* | ... |
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*/
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/* Registers a service with the backend APR driver. */
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#define APRV2_VM_CMDID_REGISTER (0x00000001)
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struct aprv2_vm_cmd_register_t {
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uint32_t name_size;
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/**< The service name string size in bytes. */
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char name[APRV2_VM_MAX_DNS_SIZE];
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/**<
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* The service name string to register.
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*
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* A NULL name means the service does not have a name.
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*/
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uint16_t addr;
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/**<
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* The address to register.
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*
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* A zero value means to auto-generate a free dynamic address.
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* A non-zero value means to directly use the statically assigned address.
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*/
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};
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struct aprv2_vm_cmd_register_rsp_t {
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int32_t status;
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/**< The status of registration. */
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uint32_t handle;
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/**< The registered service handle. */
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uint16_t addr;
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/**< The actual registered address. */
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};
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#define APRV2_VM_CMDID_DEREGISTER (0x00000002)
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struct aprv2_vm_cmd_deregister_t {
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uint32_t handle;
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/**< The registered service handle. */
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};
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struct aprv2_vm_cmd_deregister_rsp_t {
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int32_t status;
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/**< The status of de-registration. */
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};
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#define APRV2_VM_CMDID_ASYNC_SEND (0x00000003)
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struct aprv2_vm_cmd_async_send_t {
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uint32_t handle;
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/**< The registered service handle. */
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struct aprv2_vm_packet_t pkt_header;
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/**< The packet header. */
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/* The apr packet payload follows */
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};
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struct aprv2_vm_cmd_async_send_rsp_t {
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int32_t status;
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/**< The status of send. */
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};
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#define APRV2_VM_EVT_RX_PKT_AVAILABLE (0x00000004)
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struct aprv2_vm_evt_rx_pkt_available_t {
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struct aprv2_vm_packet_t pkt_header;
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/**< The packet header. */
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/* The apr packet payload follows */
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};
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struct aprv2_vm_ack_rx_pkt_available_t {
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int32_t status;
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};
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#endif /* __APRV2_VM_H__ */
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