Removing core interface
The Ethos-U kernel driver has been converted into a rpmsg driver and
the ethosu_core_interface.h has been replaced by ethsou_core_rpmsg.h.
Change-Id: If6db8c20cd88e950545eed561ed95c067157d061
diff --git a/kernel/ethosu_core_interface.h b/kernel/ethosu_core_interface.h
deleted file mode 100644
index 193b296..0000000
--- a/kernel/ethosu_core_interface.h
+++ /dev/null
@@ -1,271 +0,0 @@
-/*
- * Copyright (c) 2020-2022 Arm Limited.
- *
- * 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.
- *
- * SPDX-License-Identifier: GPL-2.0-only
- */
-
-#ifndef ETHOSU_CORE_INTERFACE_H
-#define ETHOSU_CORE_INTERFACE_H
-
-#ifdef __KERNEL__
-#include <linux/types.h>
-#else
-#include <stdint.h>
-#endif
-
-#ifdef __cplusplus
-namespace EthosU {
-#endif
-
-/** Maximum number of IFM/OFM buffers per inference */
-#define ETHOSU_CORE_BUFFER_MAX 16
-
-/** Maximum number of PMU counters to be returned for inference */
-#define ETHOSU_CORE_PMU_MAX 8
-
-#define ETHOSU_CORE_MSG_MAGIC 0x41457631
-#define ETHOSU_CORE_MSG_VERSION_MAJOR 0
-#define ETHOSU_CORE_MSG_VERSION_MINOR 2
-#define ETHOSU_CORE_MSG_VERSION_PATCH 0
-
-/**
- * enum ethosu_core_msg_type - Message types
- *
- * Types for the messages sent between the host and the core subsystem.
- */
-enum ethosu_core_msg_type {
- ETHOSU_CORE_MSG_ERR = 1,
- ETHOSU_CORE_MSG_PING,
- ETHOSU_CORE_MSG_PONG,
- ETHOSU_CORE_MSG_INFERENCE_REQ,
- ETHOSU_CORE_MSG_INFERENCE_RSP,
- ETHOSU_CORE_MSG_VERSION_REQ,
- ETHOSU_CORE_MSG_VERSION_RSP,
- ETHOSU_CORE_MSG_CAPABILITIES_REQ,
- ETHOSU_CORE_MSG_CAPABILITIES_RSP,
- ETHOSU_CORE_MSG_NETWORK_INFO_REQ,
- ETHOSU_CORE_MSG_NETWORK_INFO_RSP,
- ETHOSU_CORE_MSG_CANCEL_INFERENCE_REQ,
- ETHOSU_CORE_MSG_CANCEL_INFERENCE_RSP,
- ETHOSU_CORE_MSG_MAX
-};
-
-/**
- * struct ethosu_core_msg - Message header
- */
-struct ethosu_core_msg {
- uint32_t magic;
- uint32_t type;
- uint32_t length;
-};
-
-/**
- * struct ethosu_core_queue_header - Message queue header
- *
- * The read and write indices must be separated by at least one cache line,
- * else updating the read index would also overwrite the write index when
- * the cache line is flushed. Because of this the message queues should be
- * placed on cache line aligned addresses.
- *
- * The cache line length for Cortex-M is typically fixed at 32 bytes. The
- * kernel driver is setup to allocated non cached memory.
- */
-struct ethosu_core_queue_header {
- uint32_t size;
- uint32_t read;
- uint32_t pad[6];
- uint32_t write;
-};
-
-/**
- * struct ethosu_core_queue - Message queue
- *
- * Dynamically sized message queue.
- */
-struct ethosu_core_queue {
- struct ethosu_core_queue_header header;
- uint8_t data[];
-};
-
-/**
- * enum ethosu_core_status - Status
- */
-enum ethosu_core_status {
- ETHOSU_CORE_STATUS_OK,
- ETHOSU_CORE_STATUS_ERROR,
- ETHOSU_CORE_STATUS_RUNNING,
- ETHOSU_CORE_STATUS_REJECTED,
- ETHOSU_CORE_STATUS_ABORTED,
- ETHOSU_CORE_STATUS_ABORTING,
-};
-
-/**
- * struct ethosu_core_buffer - Buffer descriptor
- *
- * Pointer and size to a buffer withing the Ethos-U
- * address space.
- */
-struct ethosu_core_buffer {
- uint32_t ptr;
- uint32_t size;
-};
-
-/**
- * enum ethosu_core_network_type - Network buffer type
- */
-enum ethosu_core_network_type {
- ETHOSU_CORE_NETWORK_BUFFER = 1,
- ETHOSU_CORE_NETWORK_INDEX
-};
-
-/**
- * struct ethosu_core_network_buffer - Network buffer
- */
-struct ethosu_core_network_buffer {
- uint32_t type;
- union {
- struct ethosu_core_buffer buffer;
- uint32_t index;
- };
-};
-
-/**
- * struct ethosu_core_inference_req - Inference request
- */
-struct ethosu_core_inference_req {
- uint64_t user_arg;
- uint32_t ifm_count;
- struct ethosu_core_buffer ifm[ETHOSU_CORE_BUFFER_MAX];
- uint32_t ofm_count;
- struct ethosu_core_buffer ofm[ETHOSU_CORE_BUFFER_MAX];
- struct ethosu_core_network_buffer network;
- uint8_t pmu_event_config[ETHOSU_CORE_PMU_MAX];
- uint32_t pmu_cycle_counter_enable;
-};
-
-/**
- * struct ethosu_core_inference_rsp - Inference response
- */
-struct ethosu_core_inference_rsp {
- uint64_t user_arg;
- uint32_t ofm_count;
- uint32_t ofm_size[ETHOSU_CORE_BUFFER_MAX];
- uint32_t status;
- uint8_t pmu_event_config[ETHOSU_CORE_PMU_MAX];
- uint32_t pmu_event_count[ETHOSU_CORE_PMU_MAX];
- uint32_t pmu_cycle_counter_enable;
- uint64_t pmu_cycle_counter_count;
-};
-
-/**
- * struct ethosu_core_network_info_req - Network information request
- */
-struct ethosu_core_network_info_req {
- uint64_t user_arg;
- struct ethosu_core_network_buffer network;
-};
-
-/**
- * struct ethosu_core_network_info_rsp - Network information response
- */
-struct ethosu_core_network_info_rsp {
- uint64_t user_arg;
- char desc[32];
- uint32_t ifm_count;
- uint32_t ifm_size[ETHOSU_CORE_BUFFER_MAX];
- uint32_t ofm_count;
- uint32_t ofm_size[ETHOSU_CORE_BUFFER_MAX];
- uint32_t status;
-};
-
-/**
- * struct ethosu_core_msg_version - Message protocol version
- */
-struct ethosu_core_msg_version {
- uint8_t major;
- uint8_t minor;
- uint8_t patch;
- uint8_t _reserved;
-};
-
-/**
- * struct ethosu_core_capabilities_req - Message capabilities request
- */
-struct ethosu_core_capabilities_req {
- uint64_t user_arg;
-};
-
-/**
- * struct ethosu_core_capabilities_rsp - Message capabilities response
- */
-struct ethosu_core_msg_capabilities_rsp {
- uint64_t user_arg;
- uint32_t version_status;
- uint32_t version_minor;
- uint32_t version_major;
- uint32_t product_major;
- uint32_t arch_patch_rev;
- uint32_t arch_minor_rev;
- uint32_t arch_major_rev;
- uint32_t driver_patch_rev;
- uint32_t driver_minor_rev;
- uint32_t driver_major_rev;
- uint32_t macs_per_cc;
- uint32_t cmd_stream_version;
- uint32_t custom_dma;
-};
-
-/**
- * struct ethosu_core_cancel_inference_req - Message cancel inference request
- */
-struct ethosu_core_cancel_inference_req {
- uint64_t user_arg;
- uint64_t inference_handle;
-};
-
-/**
- * struct ethosu_core_cancel_inference_rsp - Message cancel inference response
- */
-struct ethosu_core_cancel_inference_rsp {
- uint64_t user_arg;
- uint32_t status;
-};
-
-/**
- * enum ethosu_core_msg_err_type - Error types
- */
-enum ethosu_core_msg_err_type {
- ETHOSU_CORE_MSG_ERR_GENERIC = 0,
- ETHOSU_CORE_MSG_ERR_UNSUPPORTED_TYPE,
- ETHOSU_CORE_MSG_ERR_INVALID_PAYLOAD,
- ETHOSU_CORE_MSG_ERR_INVALID_SIZE,
- ETHOSU_CORE_MSG_ERR_INVALID_MAGIC,
- ETHOSU_CORE_MSG_ERR_MAX
-};
-
-/**
- * struct ethosu_core_msg_err - Error message struct
- */
-struct ethosu_core_msg_err {
- uint32_t type; /* optional use of extra error code */
- char msg[128];
-};
-#ifdef __cplusplus
-} /*namespace EthosU */
-#endif
-
-#endif