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From: Ido Schimmel <idosch@mellanox.com>
To: "netdev@vger.kernel.org" <netdev@vger.kernel.org>
Cc: "davem@davemloft.net" <davem@davemloft.net>,
	Jiri Pirko <jiri@mellanox.com>, "andrew@lunn.ch" <andrew@lunn.ch>,
	mlxsw <mlxsw@mellanox.com>, Vadim Pasternak <vadimp@mellanox.com>,
	Ido Schimmel <idosch@mellanox.com>
Subject: [PATCH net-next 03/12] mlxsw: reg: Add Fan Out of Range Event Register
Date: Wed, 13 Feb 2019 11:28:46 +0000	[thread overview]
Message-ID: <20190213112814.32334-4-idosch@mellanox.com> (raw)
In-Reply-To: <20190213112814.32334-1-idosch@mellanox.com>

From: Vadim Pasternak <vadimp@mellanox.com>

Add FORE (Fan Out of Range Event Register), which is used for fan fault
reading.

Signed-off-by: Vadim Pasternak <vadimp@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h | 30 +++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 13856f40b8a7..cbd0193ec3f6 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -7875,6 +7875,35 @@ static inline void mlxsw_reg_mfsl_unpack(char *payload, u8 tacho,
 		*p_tach_max = mlxsw_reg_mfsl_tach_max_get(payload);
 }
 
+/* FORE - Fan Out of Range Event Register
+ * --------------------------------------
+ * This register reports the status of the controlled fans compared to the
+ * range defined by the MFSL register.
+ */
+#define MLXSW_REG_FORE_ID 0x9007
+#define MLXSW_REG_FORE_LEN 0x0C
+
+MLXSW_REG_DEFINE(fore, MLXSW_REG_FORE_ID, MLXSW_REG_FORE_LEN);
+
+/* fan_under_limit
+ * Fan speed is below the low limit defined in MFSL register. Each bit relates
+ * to a single tachometer and indicates the specific tachometer reading is
+ * below the threshold.
+ * Access: RO
+ */
+MLXSW_ITEM32(reg, fore, fan_under_limit, 0x00, 16, 10);
+
+static inline void mlxsw_reg_fore_unpack(char *payload, u8 tacho,
+					 bool *fault)
+{
+	u16 limit;
+
+	if (fault) {
+		limit = mlxsw_reg_fore_fan_under_limit_get(payload);
+		*fault = limit & BIT(tacho);
+	}
+}
+
 /* MTCAP - Management Temperature Capabilities
  * -------------------------------------------
  * This register exposes the capabilities of the device and
@@ -9851,6 +9880,7 @@ static const struct mlxsw_reg_info *mlxsw_reg_infos[] = {
 	MLXSW_REG(mfsc),
 	MLXSW_REG(mfsm),
 	MLXSW_REG(mfsl),
+	MLXSW_REG(fore),
 	MLXSW_REG(mtcap),
 	MLXSW_REG(mtmp),
 	MLXSW_REG(mtbr),
-- 
2.20.1


  parent reply	other threads:[~2019-02-13 11:28 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-13 11:28 [PATCH net-next 00/12] mlxsw: hwmon and thermal extensions Ido Schimmel
2019-02-13 11:28 ` [PATCH net-next 01/12] mlxsw: spectrum: Move QSFP EEPROM definitions to common location Ido Schimmel
2019-02-13 11:28 ` [PATCH net-next 02/12] mlxsw: reg: Add Management Temperature Bulk Register Ido Schimmel
2019-02-13 11:28 ` Ido Schimmel [this message]
2019-02-13 11:28 ` [PATCH net-next 04/12] mlxsw: core: Add API for QSFP module temperature thresholds reading Ido Schimmel
2019-02-13 11:28 ` [PATCH net-next 05/12] mlxsw: core: Set different thermal polling time based on bus frequency capability Ido Schimmel
2019-02-13 11:28 ` [PATCH net-next 06/12] mlxsw: core: Modify thermal zone definition Ido Schimmel
2019-02-13 11:28 ` [PATCH net-next 07/12] mlxsw: core: Replace thermal temperature trips with defines Ido Schimmel
2019-02-13 11:28 ` [PATCH net-next 08/12] mlxsw: core: Rename cooling device Ido Schimmel
2019-02-13 11:28 ` [PATCH net-next 09/12] mlxsw: core: Extend hwmon interface with fan fault attribute Ido Schimmel
2019-02-13 13:53   ` Andrew Lunn
2019-02-13 15:02     ` Guenter Roeck
2019-02-14  7:06       ` Vadim Pasternak
2019-02-14 14:29         ` Guenter Roeck
2019-02-13 11:28 ` [PATCH net-next 10/12] mlxsw: core: Extend hwmon interface with QSFP module temperature attributes Ido Schimmel
2019-02-13 11:28 ` [PATCH net-next 11/12] mlxsw: core: Add QSFP module temperature label attribute to hwmon Ido Schimmel
2019-02-13 11:28 ` [PATCH net-next 12/12] mlxsw: core: Allow thermal zone binding to an external cooling device Ido Schimmel
2019-02-14  6:33 ` [PATCH net-next 00/12] mlxsw: hwmon and thermal extensions David Miller

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