kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/sound/soc/intel/common/sst-ipc.h
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@@ -1,17 +1,8 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Intel SST generic IPC Support
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  *
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  * Copyright (C) 2015, Intel Corporation. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License version
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- * 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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- * GNU General Public License for more details.
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- *
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  */
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 #ifndef __SST_GENERIC_IPC_H
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@@ -24,17 +15,16 @@
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 #include <linux/workqueue.h>
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 #include <linux/sched.h>
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-#define IPC_MAX_MAILBOX_BYTES	256
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+struct sst_ipc_message {
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+	u64 header;
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+	void *data;
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+	size_t size;
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+};
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 struct ipc_message {
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 	struct list_head list;
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-	u64 header;
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-
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-	/* direction wrt host CPU */
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-	char *tx_data;
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-	size_t tx_size;
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-	char *rx_data;
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-	size_t rx_size;
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+	struct sst_ipc_message tx;
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+	struct sst_ipc_message rx;
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 	wait_queue_head_t waitq;
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 	bool pending;
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@@ -44,6 +34,7 @@
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 };
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 struct sst_generic_ipc;
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+struct sst_dsp;
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 struct sst_plat_ipc_ops {
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 	void (*tx_msg)(struct sst_generic_ipc *, struct ipc_message *);
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@@ -74,14 +65,14 @@
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 	struct sst_plat_ipc_ops ops;
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 };
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-int sst_ipc_tx_message_wait(struct sst_generic_ipc *ipc, u64 header,
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-	void *tx_data, size_t tx_bytes, void *rx_data, size_t rx_bytes);
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+int sst_ipc_tx_message_wait(struct sst_generic_ipc *ipc,
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+	struct sst_ipc_message request, struct sst_ipc_message *reply);
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-int sst_ipc_tx_message_nowait(struct sst_generic_ipc *ipc, u64 header,
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-	void *tx_data, size_t tx_bytes);
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+int sst_ipc_tx_message_nowait(struct sst_generic_ipc *ipc,
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+	struct sst_ipc_message request);
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-int sst_ipc_tx_message_nopm(struct sst_generic_ipc *ipc, u64 header,
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-	void *tx_data, size_t tx_bytes, void *rx_data, size_t rx_bytes);
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+int sst_ipc_tx_message_nopm(struct sst_generic_ipc *ipc,
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+	struct sst_ipc_message request, struct sst_ipc_message *reply);
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 struct ipc_message *sst_ipc_reply_find_msg(struct sst_generic_ipc *ipc,
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 	u64 header);
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@@ -89,7 +80,6 @@
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 void sst_ipc_tx_msg_reply_complete(struct sst_generic_ipc *ipc,
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 	struct ipc_message *msg);
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-void sst_ipc_drop_all(struct sst_generic_ipc *ipc);
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 int sst_ipc_init(struct sst_generic_ipc *ipc);
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 void sst_ipc_fini(struct sst_generic_ipc *ipc);
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