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SubjectRe: [PATCH v6 3/5] RISC-V: Add SBI v0.2 extension definitions
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On Wed, 18 Dec 2019 13:39:16 PST (-0800), Atish Patra wrote:
> Few v0.1 SBI calls are being replaced by new SBI calls that follows
> v0.2 calling convention.
>
> This patch just defines these new extensions.
>
> Signed-off-by: Atish Patra <atish.patra@wdc.com>
> ---
> arch/riscv/include/asm/sbi.h | 21 +++++++++++++++++++++
> 1 file changed, 21 insertions(+)
>
> diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
> index 1aeb4bb7baa8..9612133213ba 100644
> --- a/arch/riscv/include/asm/sbi.h
> +++ b/arch/riscv/include/asm/sbi.h
> @@ -21,6 +21,9 @@ enum sbi_ext_id {
> SBI_EXT_0_1_REMOTE_SFENCE_VMA_ASID = 0x7,
> SBI_EXT_0_1_SHUTDOWN = 0x8,
> SBI_EXT_BASE = 0x10,
> + SBI_EXT_TIME = 0x54494D45,
> + SBI_EXT_IPI = 0x735049,
> + SBI_EXT_RFENCE = 0x52464E43,
> };
>
> enum sbi_ext_base_fid {
> @@ -33,6 +36,24 @@ enum sbi_ext_base_fid {
> SBI_EXT_BASE_GET_MIMPID,
> };
>
> +enum sbi_ext_time_fid {
> + SBI_EXT_TIME_SET_TIMER = 0,
> +};
> +
> +enum sbi_ext_ipi_fid {
> + SBI_EXT_IPI_SEND_IPI = 0,
> +};
> +
> +enum sbi_ext_rfence_fid {
> + SBI_EXT_RFENCE_REMOTE_FENCE_I = 0,
> + SBI_EXT_RFENCE_REMOTE_SFENCE_VMA,
> + SBI_EXT_RFENCE_REMOTE_SFENCE_VMA_ASID,
> + SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA,
> + SBI_EXT_RFENCE_REMOTE_HFENCE_GVMA_VMID,
> + SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA,
> + SBI_EXT_RFENCE_REMOTE_HFENCE_VVMA_ASID,
> +};
> +
> #define SBI_SPEC_VERSION_DEFAULT 0x1
> #define SBI_SPEC_VERSION_MAJOR_SHIFT 24
> #define SBI_SPEC_VERSION_MAJOR_MASK 0x7f

With or without SBI_EXT_RFENCE_*, depending on what we do with the spec:

Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>

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