linux-kernel - [v3 4/5] RISC-V: Move counter info definition to sbi header file

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Message-Id: <20220711174632.4186047-5-atishp@rivosinc.com>
Date:   Mon, 11 Jul 2022 10:46:31 -0700
From:   Atish Patra <atishp@...osinc.com>
To:     linux-kernel@...r.kernel.org
Cc:     Atish Patra <atishp@...osinc.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Anup Patel <anup@...infault.org>,
        Atish Patra <atishp@...shpatra.org>,
        Guo Ren <guoren@...nel.org>, linux-riscv@...ts.infradead.org,
        Mark Rutland <mark.rutland@....com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Will Deacon <will@...nel.org>
Subject: [v3  4/5] RISC-V: Move counter info definition to sbi header file

Counter info encoding format is defined by the SBI specificaiton.
KVM implementation of SBI PMU extension will also leverage this definition.
Move the definition to common sbi header file from the sbi pmu driver.

Signed-off-by: Atish Patra <atishp@...osinc.com>
---
 arch/riscv/include/asm/sbi.h | 14 ++++++++++++++
 drivers/perf/riscv_pmu_sbi.c | 14 --------------
 2 files changed, 14 insertions(+), 14 deletions(-)

diff --git a/arch/riscv/include/asm/sbi.h b/arch/riscv/include/asm/sbi.h
index 9e3c2cf1edaf..d633ac0f5a32 100644
--- a/arch/riscv/include/asm/sbi.h
+++ b/arch/riscv/include/asm/sbi.h
@@ -122,6 +122,20 @@ enum sbi_ext_pmu_fid {
 	SBI_EXT_PMU_COUNTER_FW_READ,
 };
 
+union sbi_pmu_ctr_info {
+	unsigned long value;
+	struct {
+		unsigned long csr:12;
+		unsigned long width:6;
+#if __riscv_xlen == 32
+		unsigned long reserved:13;
+#else
+		unsigned long reserved:45;
+#endif
+		unsigned long type:1;
+	};
+};
+
 #define RISCV_PMU_RAW_EVENT_MASK GENMASK_ULL(55, 0)
 #define RISCV_PMU_RAW_EVENT_IDX 0x20000
 
diff --git a/drivers/perf/riscv_pmu_sbi.c b/drivers/perf/riscv_pmu_sbi.c
index bae614c73b14..24124546844c 100644
--- a/drivers/perf/riscv_pmu_sbi.c
+++ b/drivers/perf/riscv_pmu_sbi.c
@@ -21,20 +21,6 @@
 #include <asm/sbi.h>
 #include <asm/hwcap.h>
 
-union sbi_pmu_ctr_info {
-	unsigned long value;
-	struct {
-		unsigned long csr:12;
-		unsigned long width:6;
-#if __riscv_xlen == 32
-		unsigned long reserved:13;
-#else
-		unsigned long reserved:45;
-#endif
-		unsigned long type:1;
-	};
-};
-
 /*
  * RISC-V doesn't have hetergenous harts yet. This need to be part of
  * per_cpu in case of harts with different pmu counters
-- 
2.25.1