netdev - [PATCH net-next 1/3] mlxsw: reg: Add Management Reset and Shutdown Register

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Message-Id: <20180527065615.1329-2-idosch@mellanox.com>
Date:   Sun, 27 May 2018 09:56:13 +0300
From:   Ido Schimmel <idosch@...lanox.com>
To:     netdev@...r.kernel.org
Cc:     davem@...emloft.net, jiri@...lanox.com, mlxsw@...lanox.com,
        Ido Schimmel <idosch@...lanox.com>
Subject: [PATCH net-next 1/3] mlxsw: reg: Add Management Reset and Shutdown Register

From: Jiri Pirko <jiri@...lanox.com>

Signed-off-by: Jiri Pirko <jiri@...lanox.com>
Signed-off-by: Ido Schimmel <idosch@...lanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 3f4d7e22cece..1877d9f8a11a 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -7034,6 +7034,30 @@ static inline void mlxsw_reg_mpar_pack(char *payload, u8 local_port,
 	mlxsw_reg_mpar_pa_id_set(payload, pa_id);
 }
 
+/* MRSR - Management Reset and Shutdown Register
+ * ---------------------------------------------
+ * MRSR register is used to reset or shutdown the switch or
+ * the entire system (when applicable).
+ */
+#define MLXSW_REG_MRSR_ID 0x9023
+#define MLXSW_REG_MRSR_LEN 0x08
+
+MLXSW_REG_DEFINE(mrsr, MLXSW_REG_MRSR_ID, MLXSW_REG_MRSR_LEN);
+
+/* reg_mrsr_command
+ * Reset/shutdown command
+ * 0 - do nothing
+ * 1 - software reset
+ * Access: WO
+ */
+MLXSW_ITEM32(reg, mrsr, command, 0x00, 0, 4);
+
+static inline void mlxsw_reg_mrsr_pack(char *payload)
+{
+	MLXSW_REG_ZERO(mrsr, payload);
+	mlxsw_reg_mrsr_command_set(payload, 1);
+}
+
 /* MLCR - Management LED Control Register
  * --------------------------------------
  * Controls the system LEDs.
@@ -7898,6 +7922,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
 	MLXSW_REG(mcia),
 	MLXSW_REG(mpat),
 	MLXSW_REG(mpar),
+	MLXSW_REG(mrsr),
 	MLXSW_REG(mlcr),
 	MLXSW_REG(mpsc),
 	MLXSW_REG(mcqi),
-- 
2.14.3