mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-08-27 06:50:37 +00:00
a063986870
Apparently nobody can figure out where the old logic came from, but it seems like it has never been actually used on any supported firmware to this day. OSLog buffers were apparently never requested. But starting with 13.3, we actually need this implemented properly for MTP (and later AOP) to work, so let's actually do that. Signed-off-by: Hector Martin <marcan@marcan.st> Reviewed-by: Alyssa Rosenzweig <alyssa@rosenzweig.io> Link: https://lore.kernel.org/r/20250226-apple-soc-misc-v2-2-c3ec37f9021b@svenpeter.dev Signed-off-by: Sven Peter <sven@svenpeter.dev>
60 lines
1.3 KiB
C
60 lines
1.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
|
|
/*
|
|
* Apple RTKit IPC library
|
|
* Copyright (C) The Asahi Linux Contributors
|
|
*/
|
|
|
|
#ifndef _APPLE_RTKIT_INTERAL_H
|
|
#define _APPLE_RTKIT_INTERAL_H
|
|
|
|
#include <linux/bitfield.h>
|
|
#include <linux/bitmap.h>
|
|
#include <linux/completion.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/io.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/soc/apple/rtkit.h>
|
|
#include <linux/workqueue.h>
|
|
#include "mailbox.h"
|
|
|
|
#define APPLE_RTKIT_APP_ENDPOINT_START 0x20
|
|
#define APPLE_RTKIT_MAX_ENDPOINTS 0x100
|
|
|
|
struct apple_rtkit {
|
|
void *cookie;
|
|
const struct apple_rtkit_ops *ops;
|
|
struct device *dev;
|
|
|
|
struct apple_mbox *mbox;
|
|
|
|
struct completion epmap_completion;
|
|
struct completion iop_pwr_ack_completion;
|
|
struct completion ap_pwr_ack_completion;
|
|
|
|
int boot_result;
|
|
int version;
|
|
|
|
unsigned int iop_power_state;
|
|
unsigned int ap_power_state;
|
|
bool crashed;
|
|
|
|
DECLARE_BITMAP(endpoints, APPLE_RTKIT_MAX_ENDPOINTS);
|
|
|
|
struct apple_rtkit_shmem ioreport_buffer;
|
|
struct apple_rtkit_shmem crashlog_buffer;
|
|
struct apple_rtkit_shmem oslog_buffer;
|
|
|
|
struct apple_rtkit_shmem syslog_buffer;
|
|
char *syslog_msg_buffer;
|
|
size_t syslog_n_entries;
|
|
size_t syslog_msg_size;
|
|
|
|
struct workqueue_struct *wq;
|
|
};
|
|
|
|
void apple_rtkit_crashlog_dump(struct apple_rtkit *rtk, u8 *bfr, size_t size);
|
|
|
|
#endif
|