threeeye
bc1d038eac
Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
111 lines
2.1 KiB
C
111 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_MIPS_KVM_PARA_H
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#define _ASM_MIPS_KVM_PARA_H
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#include <uapi/asm/kvm_para.h>
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#define KVM_HYPERCALL ".word 0x42000028"
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/*
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* Hypercalls for KVM.
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*
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* Hypercall number is passed in v0.
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* Return value will be placed in v0.
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* Up to 3 arguments are passed in a0, a1, and a2.
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*/
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static inline unsigned long kvm_hypercall0(unsigned long num)
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{
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register unsigned long n asm("v0");
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register unsigned long r asm("v0");
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n = num;
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__asm__ __volatile__(
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KVM_HYPERCALL
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: "=r" (r) : "r" (n) : "memory"
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);
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return r;
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}
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static inline unsigned long kvm_hypercall1(unsigned long num,
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unsigned long arg0)
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{
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register unsigned long n asm("v0");
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register unsigned long r asm("v0");
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register unsigned long a0 asm("a0");
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n = num;
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a0 = arg0;
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__asm__ __volatile__(
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KVM_HYPERCALL
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: "=r" (r) : "r" (n), "r" (a0) : "memory"
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);
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return r;
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}
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static inline unsigned long kvm_hypercall2(unsigned long num,
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unsigned long arg0, unsigned long arg1)
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{
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register unsigned long n asm("v0");
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register unsigned long r asm("v0");
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register unsigned long a0 asm("a0");
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register unsigned long a1 asm("a1");
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n = num;
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a0 = arg0;
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a1 = arg1;
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__asm__ __volatile__(
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KVM_HYPERCALL
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: "=r" (r) : "r" (n), "r" (a0), "r" (a1) : "memory"
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);
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return r;
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}
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static inline unsigned long kvm_hypercall3(unsigned long num,
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unsigned long arg0, unsigned long arg1, unsigned long arg2)
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{
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register unsigned long n asm("v0");
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register unsigned long r asm("v0");
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register unsigned long a0 asm("a0");
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register unsigned long a1 asm("a1");
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register unsigned long a2 asm("a2");
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n = num;
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a0 = arg0;
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a1 = arg1;
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a2 = arg2;
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__asm__ __volatile__(
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KVM_HYPERCALL
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: "=r" (r) : "r" (n), "r" (a0), "r" (a1), "r" (a2) : "memory"
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);
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return r;
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}
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static inline bool kvm_check_and_clear_guest_paused(void)
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{
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return false;
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}
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static inline unsigned int kvm_arch_para_features(void)
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{
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return 0;
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}
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#ifdef CONFIG_MIPS_PARAVIRT
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static inline bool kvm_para_available(void)
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{
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return true;
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}
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#else
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static inline bool kvm_para_available(void)
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{
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return false;
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}
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#endif
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#endif /* _ASM_MIPS_KVM_PARA_H */
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