From 52ec4b695dbe0552bb994c4149e9122610a76668 Mon Sep 17 00:00:00 2001 From: Anup Patel Date: Wed, 7 Dec 2022 09:17:43 +0530 Subject: RISC-V: KVM: Save mvendorid, marchid, and mimpid when creating VCPU We should save VCPU mvendorid, marchid, and mimpid at the time of creating VCPU so that we don't have to do host SBI call every time Guest/VM ask for these details. Signed-off-by: Anup Patel Reviewed-by: Atish Patra Reviewed-by: Andrew Jones Signed-off-by: Anup Patel --- arch/riscv/include/asm/kvm_host.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'arch/riscv/include/asm/kvm_host.h') diff --git a/arch/riscv/include/asm/kvm_host.h b/arch/riscv/include/asm/kvm_host.h index 91c74b09a970..93f43a3e7886 100644 --- a/arch/riscv/include/asm/kvm_host.h +++ b/arch/riscv/include/asm/kvm_host.h @@ -165,6 +165,11 @@ struct kvm_vcpu_arch { /* ISA feature bits (similar to MISA) */ DECLARE_BITMAP(isa, RISCV_ISA_EXT_MAX); + /* Vendor, Arch, and Implementation details */ + unsigned long mvendorid; + unsigned long marchid; + unsigned long mimpid; + /* SSCRATCH, STVEC, and SCOUNTEREN of Host */ unsigned long host_sscratch; unsigned long host_stvec; -- cgit