netdev - [PATCH net-next V3 1/8] net/mlx5: Introduce IFC bits for migratable

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Message-ID: <20221204141632.201932-2-shayd@nvidia.com>
Date:   Sun, 4 Dec 2022 16:16:25 +0200
From:   Shay Drory <shayd@...dia.com>
To:     <netdev@...r.kernel.org>, <kuba@...nel.org>, <davem@...emloft.net>
CC:     <danielj@...dia.com>, <yishaih@...dia.com>, <jiri@...dia.com>,
        <saeedm@...dia.com>, <parav@...dia.com>
Subject: [PATCH net-next V3 1/8] net/mlx5: Introduce IFC bits for migratable

From: Yishai Hadas <yishaih@...dia.com>

Introduce IFC related capabilities to enable setting VF to be able to
perform live migration. e.g.: to be migratable.

Signed-off-by: Yishai Hadas <yishaih@...dia.com>
Reviewed-by: Mark Bloch <mbloch@...dia.com>
Acked-by: Saeed Mahameed <saeedm@...dia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 5a4e914e2a6f..2093131483c7 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -68,6 +68,7 @@ enum {
 	MLX5_SET_HCA_CAP_OP_MOD_ODP                   = 0x2,
 	MLX5_SET_HCA_CAP_OP_MOD_ATOMIC                = 0x3,
 	MLX5_SET_HCA_CAP_OP_MOD_ROCE                  = 0x4,
+	MLX5_SET_HCA_CAP_OP_MOD_GENERAL_DEVICE2       = 0x20,
 	MLX5_SET_HCA_CAP_OP_MODE_PORT_SELECTION       = 0x25,
 };
 
@@ -1875,7 +1876,10 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 };
 
 struct mlx5_ifc_cmd_hca_cap_2_bits {
-	u8	   reserved_at_0[0xa0];
+	u8	   reserved_at_0[0x80];
+
+	u8         migratable[0x1];
+	u8         reserved_at_81[0x1f];
 
 	u8	   max_reformat_insert_size[0x8];
 	u8	   max_reformat_insert_offset[0x8];
-- 
2.38.1