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| author | Atish Patra <atish.patra@wdc.com> | 2021-11-18 00:39:10 -0800 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2022-01-06 15:08:29 +0530 |
| commit | c62a76859723fb732bfeda847f22192e24e121a7 (patch) | |
| tree | 6120e622a030b8f0f958373b4d3fd0e2f6369ac1 /arch/riscv/include | |
| parent | a046c2d8578c93b85ab9272a818c821c254931d0 (diff) | |
| download | linux-c62a76859723fb732bfeda847f22192e24e121a7.tar.gz linux-c62a76859723fb732bfeda847f22192e24e121a7.tar.bz2 linux-c62a76859723fb732bfeda847f22192e24e121a7.zip | |
RISC-V: KVM: Add SBI v0.2 base extension
SBI v0.2 base extension defined to allow backward compatibility and
probing of future extensions. This is also the only mandatory SBI
extension that must be implemented by SBI implementors.
Signed-off-by: Atish Patra <atish.patra@wdc.com>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
Signed-off-by: Anup Patel <anup.patel@wdc.com>
Diffstat (limited to 'arch/riscv/include')
| -rw-r--r-- | arch/riscv/include/asm/kvm_vcpu_sbi.h | 2 | ||||
| -rw-r--r-- | arch/riscv/include/asm/sbi.h | 8 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/riscv/include/asm/kvm_vcpu_sbi.h b/arch/riscv/include/asm/kvm_vcpu_sbi.h index 704151969ceb..76e4e17a3e00 100644 --- a/arch/riscv/include/asm/kvm_vcpu_sbi.h +++ b/arch/riscv/include/asm/kvm_vcpu_sbi.h @@ -9,6 +9,8 @@ #ifndef __RISCV_KVM_VCPU_SBI_H__ #define __RISCV_KVM_VCPU_SBI_H__ +#define KVM_SBI_IMPID 3 + #define KVM_SBI_VERSION_MAJOR 0 #define KVM_SBI_VERSION_MINOR 2 diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h index 0d42693cb65e..9e4c79fd49d7 100644 --- a/arch/riscv/include/asm/sbi.h +++ b/arch/riscv/include/asm/sbi.h @@ -27,6 +27,14 @@ enum sbi_ext_id { SBI_EXT_IPI = 0x735049, SBI_EXT_RFENCE = 0x52464E43, SBI_EXT_HSM = 0x48534D, + + /* Experimentals extensions must lie within this range */ + SBI_EXT_EXPERIMENTAL_START = 0x08000000, + SBI_EXT_EXPERIMENTAL_END = 0x08FFFFFF, + + /* Vendor extensions must lie within this range */ + SBI_EXT_VENDOR_START = 0x09000000, + SBI_EXT_VENDOR_END = 0x09FFFFFF, }; enum sbi_ext_base_fid { |