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Diffstat (limited to 'kernel/ethosu_mailbox.h')
| -rw-r--r-- | kernel/ethosu_mailbox.h | 194 |
1 files changed, 0 insertions, 194 deletions
diff --git a/kernel/ethosu_mailbox.h b/kernel/ethosu_mailbox.h deleted file mode 100644 index ab19613..0000000 --- a/kernel/ethosu_mailbox.h +++ /dev/null @@ -1,194 +0,0 @@ -/* - * SPDX-FileCopyrightText: Copyright 2020-2023 Arm Limited and/or its affiliates <open-source-office@arm.com> - * SPDX-License-Identifier: GPL-2.0-only - * - * This program is free software and is provided to you under the terms of the - * GNU General Public License version 2 as published by the Free Software - * Foundation, and any use by you of this program is subject to the terms - * of such GNU licence. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, you can access it online at - * http://www.gnu.org/licenses/gpl-2.0.html. - */ - -#ifndef ETHOSU_MAILBOX_H -#define ETHOSU_MAILBOX_H - -/**************************************************************************** - * Includes - ****************************************************************************/ -#include "ethosu_core_rpmsg.h" - -#include <linux/types.h> -#include <linux/mailbox_client.h> -#include <linux/wait.h> -#include <linux/idr.h> - -/**************************************************************************** - * Types - ****************************************************************************/ - -struct device; -struct ethosu_buffer; -struct ethosu_core_msg; -struct ethosu_core_queue; -struct ethosu_device; -struct ethosu_network; -struct resource; - -typedef void (*ethosu_mailbox_cb)(void *user_arg); - -struct ethosu_mailbox { - struct device *dev; - struct rpmsg_endpoint *ept; - struct idr msg_idr; - atomic_t done; - wait_queue_head_t send_queue; -}; - -/** - * struct ethosu_mailbox_msg - Mailbox message - * @id: Message id - * @type: Message request type - * @fail: Message failure callback - * - * The fail callback will be called with the device mutex locked - */ -struct ethosu_mailbox_msg { - int id; - uint32_t type; - void (*fail)(struct ethosu_mailbox_msg *msg); -}; - -/**************************************************************************** - * Functions - ****************************************************************************/ - -/** - * ethosu_mailbox_init() - Initialize mailbox - * - * Return: 0 on success, else error code. - */ -int ethosu_mailbox_init(struct ethosu_mailbox *mbox, - struct device *dev, - struct rpmsg_endpoint *ept); - -/** - * ethosu_mailbox_deinit() - Deinitialize mailbox - */ -void ethosu_mailbox_deinit(struct ethosu_mailbox *mbox); - -/** - * ethosu_mailbox_register() - Register the ethosu_mailbox_msg in ethosu_mailbox - * - * Context: Must be called with the device mutex locked - * - * Return: 0 on success, else error code. - */ -int ethosu_mailbox_register(struct ethosu_mailbox *mbox, - struct ethosu_mailbox_msg *msg); - -/** - * ethosu_mailbox_free_id() - Free the id of the ethosu_mailbox_msg - * - * Context: Must be called with the device mutex locked - */ -void ethosu_mailbox_deregister(struct ethosu_mailbox *mbox, - struct ethosu_mailbox_msg *msg); - -/** - * ethosu_mailbox_find() - Find mailbox message - * - * Context: Must be called with the device mutex locked - * - * Return: a valid pointer on success, otherwise an error ptr. - */ -struct ethosu_mailbox_msg *ethosu_mailbox_find(struct ethosu_mailbox *mbox, - int msg_id, - uint32_t msg_type); - -/** - * ethosu_mailbox_fail() - Fail mailbox messages - * - * Call fail() callback on all messages in pending list. - * - * Context: Must be called with the device mutex locked - */ -void ethosu_mailbox_fail(struct ethosu_mailbox *mbox); - -/** - * ethosu_mailbox_reset() - Reset to end of queue - */ -void ethosu_mailbox_reset(struct ethosu_mailbox *mbox); - -/** - * ethosu_mailbox_ping() - Send ping message - * - * Return: 0 on success, else error code. - */ -int ethosu_mailbox_ping(struct ethosu_mailbox *mbox); - -/** - * ethosu_mailbox_pong() - Send pong response - * - * Return: 0 on success, else error code. - */ -int ethosu_mailbox_pong(struct ethosu_mailbox *mbox); - -/** - * ethosu_mailbox_version_request() - Send protocol version request - * - * Return: 0 on succes, else error code - */ -int ethosu_mailbox_version_request(struct ethosu_mailbox *mbox, - struct ethosu_mailbox_msg *msg); - -/** - * ethosu_mailbox_capabilities_request() - Send capabilities request - * - * Return: 0 on success, else error code. - */ -int ethosu_mailbox_capabilities_request(struct ethosu_mailbox *mbox, - struct ethosu_mailbox_msg *msg); - -/** - * ethosu_mailbox_inference() - Send inference - * - * Return: 0 on success, else error code. - */ -int ethosu_mailbox_inference(struct ethosu_mailbox *mbox, - struct ethosu_mailbox_msg *msg, - uint32_t ifm_count, - struct ethosu_buffer **ifm, - uint32_t ofm_count, - struct ethosu_buffer **ofm, - struct ethosu_network *network, - uint8_t *pmu_event_config, - uint8_t pmu_event_config_count, - uint8_t pmu_cycle_counter_enable); - -/** - * ethosu_mailbox_network_info_request() - Send network info request - * - * Return: 0 on success, else error code. - */ -int ethosu_mailbox_network_info_request(struct ethosu_mailbox *mbox, - struct ethosu_mailbox_msg *msg, - struct ethosu_network *network); - -/** - * ethosu_mailbox_cancel_inference() - Send inference cancellation - * - * Return: 0 on success, else error code. - */ -int ethosu_mailbox_cancel_inference(struct ethosu_mailbox *mbox, - struct ethosu_mailbox_msg *msg, - int inference_handle); - -#endif /* ETHOSU_MAILBOX_H */ |