mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
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8916271137
- Implement file list rather than fixed length array
- Fix issues related to file mode handling
- Change file not found validation with respect to commit c136844cd414
("nvadsp: adspff: use kthread to schedule file io")
Bug 2538512
Change-Id: I1cd8fa065887effa6073d963df62f6e1bb877a1d
Signed-off-by: Niranjan Dighe <ndighe@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2102696
(cherry picked from commit ea7d4ea78a22b7d8675966f2b2f85343c488d059)
Reviewed-on: https://git-master.nvidia.com/r/2150780
Tested-by: Hariharan Sivaraman <hariharans@nvidia.com>
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Nitin Pai <npai@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
146 lines
3.2 KiB
C
146 lines
3.2 KiB
C
/*
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* tegra_adspff.h - Shared ADSPFF interface between Tegra ADSP File
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* System driver and ADSP side user space code.
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* Copyright (c) 2016-2019 NVIDIA Corporation. All rights reserved.
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*
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* NVIDIA Corporation and its licensors retain all intellectual property
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* and proprietary rights in and to this software, related documentation
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* and any modifications thereto. Any use, reproduction, disclosure or
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* distribution of this software and related documentation without an express
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* license agreement from NVIDIA Corporation is strictly prohibited.
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*/
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#ifndef _TEGRA_ADSPFF_H_
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#define _TEGRA_ADSPFF_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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/******************************************************************************
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* Defines
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******************************************************************************/
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/* TODO: fine tuning */
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#define ADSPFF_MSG_QUEUE_WSIZE 1024
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#define ADSPFF_WRITE_DATA_SIZE 512
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#define ADSPFF_READ_DATA_SIZE 1024
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#define ADSPFF_SHARED_BUFFER_SIZE (128 * 1024)
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#define ADSPFF_MAX_FILENAME_SIZE (250)
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/**
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* adspff_mbx_cmd: commands exchanged using mailbox.
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*
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* @adspff_cmd_fopen: open file on host
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* @adspff_cmd_fclose: close file on host
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* @adspff_cmd_fwrite: write data in an open file on host
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* @adspff_cmd_fread: read data from an open file on host
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*/
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enum adspff_mbx_cmd {
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adspff_cmd_fopen = 0,
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adspff_cmd_fclose,
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adspff_cmd_fwrite,
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adspff_cmd_fread,
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adspff_cmd_fopen_recv,
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adspff_cmd_ack,
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adspff_cmd_fsize,
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};
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/******************************************************************************
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* Types
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******************************************************************************/
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/* supported message payloads */
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struct fopen_msg_t {
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uint8_t fname[ADSPFF_MAX_FILENAME_SIZE];
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uint8_t modes[3];
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};
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struct fwrite_msg_t {
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int64_t file;
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int32_t size;
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};
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struct fread_msg_t {
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int64_t file;
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int32_t size;
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};
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struct fclose_msg_t {
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int64_t file;
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};
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struct fopen_recv_msg_t {
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int64_t file;
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};
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struct fsize_msg_t {
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int64_t file;
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};
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struct ack_msg_t {
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int32_t size;
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};
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#pragma pack(4)
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/* app message definition */
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union adspff_message_t {
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msgq_message_t msgq_msg;
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struct {
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int32_t header[MSGQ_MESSAGE_HEADER_WSIZE];
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union {
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struct fopen_msg_t fopen_msg;
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struct fwrite_msg_t fwrite_msg;
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struct fread_msg_t fread_msg;
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struct fclose_msg_t fclose_msg;
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struct fopen_recv_msg_t fopen_recv_msg;
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struct ack_msg_t ack_msg;
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struct fsize_msg_t fsize_msg;
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} payload;
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} msg;
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};
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/* app queue definition */
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union adspff_msgq_t {
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msgq_t msgq;
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struct {
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int32_t header[MSGQ_HEADER_WSIZE];
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int32_t queue[ADSPFF_MSG_QUEUE_WSIZE];
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} app_msgq;
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};
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#pragma pack()
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#define MSGQ_MSG_SIZE(x) \
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(((sizeof(x) + sizeof(int32_t) - 1) & (~(sizeof(int32_t)-1))) >> 2)
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/**
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* ADSPFF state structure shared between ADSP & CPU
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*/
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typedef struct {
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uint32_t write_index;
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uint32_t read_index;
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uint8_t data[ADSPFF_SHARED_BUFFER_SIZE];
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} adspff_shared_buffer_t;
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struct adspff_shared_state_t {
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uint16_t mbox_id;
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union adspff_msgq_t msgq_recv;
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union adspff_msgq_t msgq_send;
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adspff_shared_buffer_t write_buf;
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adspff_shared_buffer_t read_buf;
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};
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#define ADSPFF_SHARED_STATE(x) \
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((struct adspff_shared_state_t *)x)
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifndef TEGRA_ADSPFF_H_ */
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