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author | Anup Patel <anup.patel@wdc.com> | 2021-09-27 17:10:01 +0530 |
---|---|---|
committer | Anup Patel <anup@brainfault.org> | 2021-10-04 15:40:08 +0530 |
commit | 99cdc6c18c2d815e940e81b9b477d469bdd41788 (patch) | |
tree | 5f279c009abe607b00a37949bd1c9f98b864541c /arch/riscv/include/uapi/asm | |
parent | RISC-V: Add hypervisor extension related CSR defines (diff) | |
download | linux-dev-99cdc6c18c2d815e940e81b9b477d469bdd41788.tar.xz linux-dev-99cdc6c18c2d815e940e81b9b477d469bdd41788.zip |
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>
Diffstat (limited to 'arch/riscv/include/uapi/asm')
-rw-r--r-- | arch/riscv/include/uapi/asm/kvm.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/riscv/include/uapi/asm/kvm.h b/arch/riscv/include/uapi/asm/kvm.h new file mode 100644 index 000000000000..984d041a3e3b --- /dev/null +++ b/arch/riscv/include/uapi/asm/kvm.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright (C) 2019 Western Digital Corporation or its affiliates. + * + * Authors: + * Anup Patel <anup.patel@wdc.com> + */ + +#ifndef __LINUX_KVM_RISCV_H +#define __LINUX_KVM_RISCV_H + +#ifndef __ASSEMBLY__ + +#include <linux/types.h> +#include <asm/ptrace.h> + +#define __KVM_HAVE_READONLY_MEM + +#define KVM_COALESCED_MMIO_PAGE_OFFSET 1 + +/* for KVM_GET_REGS and KVM_SET_REGS */ +struct kvm_regs { +}; + +/* for KVM_GET_FPU and KVM_SET_FPU */ +struct kvm_fpu { +}; + +/* KVM Debug exit structure */ +struct kvm_debug_exit_arch { +}; + +/* for KVM_SET_GUEST_DEBUG */ +struct kvm_guest_debug_arch { +}; + +/* definition of registers in kvm_run */ +struct kvm_sync_regs { +}; + +/* dummy definition */ +struct kvm_sregs { +}; + +#endif + +#endif /* __LINUX_KVM_RISCV_H */ |