/*
* Copyright (c) 2021 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
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*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#pragma once
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
#include <sys/queue.h>
struct kdp_output_stage;
struct kdp_core_out_state {
STAILQ_HEAD(, kdp_output_stage) kcos_out_stage;
struct kdp_output_stage * kcos_encryption_stage;
bool kcos_enforce_encryption;
uint64_t kcos_totalbytes;
uint64_t kcos_bytes_written;
uint64_t kcos_lastpercent;
kern_return_t kcos_error;
};
struct kdp_output_stage_funcs {
void (*kosf_reset)(struct kdp_output_stage *stage);
kern_return_t (*kosf_outproc)(struct kdp_output_stage *stage, unsigned int request,
char *corename, uint64_t length, void *panic_data);
void (*kosf_free)(struct kdp_output_stage *stage);
};
struct kdp_output_stage {
STAILQ_ENTRY(kdp_output_stage) kos_next;
bool kos_initialized;
struct kdp_core_out_state * kos_outstate;
struct kdp_output_stage_funcs kos_funcs;
uint64_t kos_bytes_written; // bytes written since the last call to reset()
bool kos_bypass;
void * kos_data;
size_t kos_data_size;
};