RISC-V: Add initial skeletal KVM support

This patch adds initial skeletal KVM RISC-V support which has: 1. A simple implementation of arch specific VM functions except kvm_vm_ioctl_get_dirty_log() which will implemeted in-future as part of stage2 page loging. 2. Stubs of required arch specific VCPU functions except kvm_arch_vcpu_ioctl_run() which is semi-complete and extended by subsequent patches. 3. Stubs for required arch specific stage2 MMU functions. Signed-off-by: Anup Patel <anup.patel@wdc.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Alexander Graf <graf@amazon.com> Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
2026-10-16 22:39:48 +00:00 · 2021-09-27 17:10:01 +05:30 · 2021-09-27 17:10:01 +05:30 · 99cdc6c18c
commit 99cdc6c18c
parent 3f2401f47d
12 changed files with 805 additions and 0 deletions
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
--- a/arch/riscv/include/asm/kvm_host.h
+++ b/arch/riscv/include/asm/kvm_host.h
--- a/arch/riscv/include/asm/kvm_types.h
+++ b/arch/riscv/include/asm/kvm_types.h
--- a/arch/riscv/include/uapi/asm/kvm.h
+++ b/arch/riscv/include/uapi/asm/kvm.h
--- a/arch/riscv/kvm/Kconfig
+++ b/arch/riscv/kvm/Kconfig
--- a/arch/riscv/kvm/Makefile
+++ b/arch/riscv/kvm/Makefile
--- a/arch/riscv/kvm/main.c
+++ b/arch/riscv/kvm/main.c
--- a/arch/riscv/kvm/mmu.c
+++ b/arch/riscv/kvm/mmu.c
--- a/arch/riscv/kvm/vcpu.c
+++ b/arch/riscv/kvm/vcpu.c
--- a/arch/riscv/kvm/vcpu_exit.c
+++ b/arch/riscv/kvm/vcpu_exit.c
--- a/arch/riscv/kvm/vm.c
+++ b/arch/riscv/kvm/vm.c