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From: Ido Schimmel <idosch@nvidia.com>
To: netdev@vger.kernel.org
Cc: davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com,
	petrm@nvidia.com, jiri@nvidia.com, vadimp@nvidia.com,
	mlxsw@nvidia.com, Ido Schimmel <idosch@nvidia.com>
Subject: [PATCH net-next 8/8] mlxsw: reg: Add new field to Management General Peripheral Information Register
Date: Mon, 11 Apr 2022 17:46:57 +0300	[thread overview]
Message-ID: <20220411144657.2655752-9-idosch@nvidia.com> (raw)
In-Reply-To: <20220411144657.2655752-1-idosch@nvidia.com>

From: Vadim Pasternak <vadimp@nvidia.com>

Add new field 'max_modules_per_slot' to provide maximum number of
modules that can be connected per slot. This field will always be zero,
if 'slot_index' in query request is set to non-zero value, otherwise
value in this field will provide maximum modules number, which can be
equipped on device inserted at any slot.

Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
---
 drivers/net/ethernet/mellanox/mlxsw/reg.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/net/ethernet/mellanox/mlxsw/reg.h b/drivers/net/ethernet/mellanox/mlxsw/reg.h
index 03ef975a37e4..b8a236872fea 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/reg.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/reg.h
@@ -11386,6 +11386,12 @@ MLXSW_ITEM32(reg, mgpir, devices_per_flash, 0x00, 16, 8);
  */
 MLXSW_ITEM32(reg, mgpir, num_of_devices, 0x00, 0, 8);
 
+/* max_modules_per_slot
+ * Maximum number of modules that can be connected per slot.
+ * Access: RO
+ */
+MLXSW_ITEM32(reg, mgpir, max_modules_per_slot, 0x04, 16, 8);
+
 /* mgpir_num_of_slots
  * Number of slots in the system.
  * Access: RO
-- 
2.33.1


  parent reply	other threads:[~2022-04-11 14:48 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-11 14:46 [PATCH net-next 0/8] mlxsw: Extend device registers for line cards support Ido Schimmel
2022-04-11 14:46 ` [PATCH net-next 1/8] mlxsw: reg: Extend MTMP register with new slot number field Ido Schimmel
2022-04-11 14:46 ` [PATCH net-next 2/8] mlxsw: reg: Extend MTBR " Ido Schimmel
2022-04-11 14:46 ` [PATCH net-next 3/8] mlxsw: reg: Extend MCIA " Ido Schimmel
2022-04-11 14:46 ` [PATCH net-next 4/8] mlxsw: reg: Extend MCION " Ido Schimmel
2022-04-11 14:46 ` [PATCH net-next 5/8] mlxsw: reg: Extend PMMP " Ido Schimmel
2022-04-11 14:46 ` [PATCH net-next 6/8] mlxsw: reg: Extend MGPIR register with new slot fields Ido Schimmel
2022-04-11 14:46 ` [PATCH net-next 7/8] mlxsw: core_env: Pass slot index during PMAOS register write call Ido Schimmel
2022-04-11 14:46 ` Ido Schimmel [this message]
2022-04-12 17:00 ` [PATCH net-next 0/8] mlxsw: Extend device registers for line cards support patchwork-bot+netdevbpf

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