RISC-V: Add SBI v0.2 extension definitions

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>
Reviewed-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>

diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 5b7b91c..f68b6ed 100644 (file)
--- 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