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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Module that defines structure to retrieve debug dump segments
* specific to the family of EdgeTPUs for mobile devices.
*
* Copyright (C) 2021 Google, Inc.
*/
#ifndef __MOBILE_DEBUG_DUMP_H__
#define __MOBILE_DEBUG_DUMP_H__
#include "edgetpu-debug-dump.h"
struct mobile_sscd_info {
void *pdata; /* SSCD platform data */
void *dev; /* SSCD platform device */
};
struct mobile_sscd_mappings_dump {
u64 host_address;
u64 device_address;
u64 alloc_iova;
u64 size;
};
struct sscd_segment;
/*
* Collects the mapping information of all the host mapping and dmabuf mapping buffers of all
* @groups as an array of struct mobile_sscd_mappings_dump and populates the @sscd_seg.
*
* Returns the pointer to the first element of the mappings dump array. The allocated array should
* be freed by the caller after the sscd segment is reported.
* Returns NULL in case of failure.
*/
struct mobile_sscd_mappings_dump *
mobile_sscd_collect_mappings_segment(struct edgetpu_device_group **groups, size_t num_groups,
struct sscd_segment *sscd_seg);
/*
* Collects the VII cmd and resp queues of all @groups that @etdev belongs to and the KCI cmd and
* resp queues and populates them as @sscd_seg_arr elements.
*
* Returns the total number of queues collected since some queues may have been released for groups
* with detached mailboxes. The return value is less than or equal to the total number of queues
* expected based on @num_groups i.e. (2 * @num_groups +2).
*/
size_t mobile_sscd_collect_cmd_resp_queues(struct edgetpu_dev *etdev,
struct edgetpu_device_group **groups, size_t num_groups,
struct sscd_segment *sscd_seg_arr);
#endif /* MOBILE_DEBUG_DUMP_H_ */
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