diff mbox series

[v8,02/24] RISC-V: Add FIRMWARE_READ_HI definition

Message ID 20240420151741.962500-3-atishp@rivosinc.com
State Accepted
Commit 5d4acb7f2e1af1a5160870dbd11d2bd3a86007ed
Headers show
Series RISC-V SBI v2.0 PMU improvements and Perf sampling in KVM guest | expand

Commit Message

Atish Kumar Patra April 20, 2024, 3:17 p.m. UTC
SBI v2.0 added another function to SBI PMU extension to read
the upper bits of a counter with width larger than XLEN.

Add the definition for that function.

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Clément Léger <cleger@rivosinc.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Signed-off-by: Atish Patra <atishp@rivosinc.com>
---
 arch/riscv/include/asm/sbi.h | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 6e68f8dff76b..ef8311dafb91 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -131,6 +131,7 @@  enum sbi_ext_pmu_fid {
 	SBI_EXT_PMU_COUNTER_START,
 	SBI_EXT_PMU_COUNTER_STOP,
 	SBI_EXT_PMU_COUNTER_FW_READ,
+	SBI_EXT_PMU_COUNTER_FW_READ_HI,
 };
 
 union sbi_pmu_ctr_info {