LoongArch: KVM: Implement kvm mmu operations

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Implement LoongArch kvm mmu, it is used to switch gpa to hpa when guest
exit because of address translation exception.

This patch implement: allocating gpa page table, searching gpa from it,
and flushing guest gpa in the table.

Reviewed-by: Bibo Mao <maobibo@loongson.cn>
Tested-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Tianrui Zhao <zhaotianrui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>

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Tianrui Zhao 2023-10-02 10:01:28 +08:00 • committed by Huacai Chen

parent d7f4ed4b22

commit 752e2cd7b4

2 changed files with 1053 additions and 0 deletions

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139

arch/loongarch/include/asm/kvm_mmu.h

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914

arch/loongarch/kvm/mmu.c

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