netdev - [PATCH mlx5-next 4/9] net/mlx5: Add alias flow table bits

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Date: Thu, 21 Sep 2023 15:10:30 +0300
From: Leon Romanovsky <leon@...nel.org>
To: Jason Gunthorpe <jgg@...dia.com>
Cc: Patrisious Haddad <phaddad@...dia.com>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>,
	linux-rdma@...r.kernel.org,
	Mark Bloch <mbloch@...dia.com>,
	netdev@...r.kernel.org,
	Paolo Abeni <pabeni@...hat.com>,
	Saeed Mahameed <saeedm@...dia.com>,
	Steffen Klassert <steffen.klassert@...unet.com>,
	Simon Horman <horms@...nel.org>
Subject: [PATCH mlx5-next 4/9] net/mlx5: Add alias flow table bits

From: Patrisious Haddad <phaddad@...dia.com>

Add all the capabilities needed to check for alias object support.
As well as all the fields or commands needed for its creation and
the creation of flow table that is able to jump to an alias object.

Signed-off-by: Patrisious Haddad <phaddad@...dia.com>
Reviewed-by: Mark Bloch <mbloch@...dia.com>
Signed-off-by: Leon Romanovsky <leonro@...dia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 56 ++++++++++++++++++++++++++++++++++-
 1 file changed, 55 insertions(+), 1 deletion(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index dd8421d021cf..2b5ae4192de4 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -312,6 +312,7 @@ enum {
 	MLX5_CMD_OP_QUERY_VHCA_STATE              = 0xb0d,
 	MLX5_CMD_OP_MODIFY_VHCA_STATE             = 0xb0e,
 	MLX5_CMD_OP_SYNC_CRYPTO                   = 0xb12,
+	MLX5_CMD_OP_ALLOW_OTHER_VHCA_ACCESS       = 0xb16,
 	MLX5_CMD_OP_MAX
 };
 
@@ -1934,6 +1935,14 @@ struct mlx5_ifc_cmd_hca_cap_bits {
 	u8         match_definer_format_supported[0x40];
 };
 
+enum {
+	MLX5_CROSS_VHCA_OBJ_TO_OBJ_SUPPORTED_LOCAL_FLOW_TABLE_TO_REMOTE_FLOW_TABLE_MISS  = 0x80000,
+};
+
+enum {
+	MLX5_ALLOWED_OBJ_FOR_OTHER_VHCA_ACCESS_FLOW_TABLE       = 0x200,
+};
+
 struct mlx5_ifc_cmd_hca_cap_2_bits {
 	u8	   reserved_at_0[0x80];
 
@@ -1950,7 +1959,11 @@ struct mlx5_ifc_cmd_hca_cap_2_bits {
 	u8	   migration_tracking_state[0x1];
 	u8	   reserved_at_ca[0x16];
 
-	u8	   reserved_at_e0[0xc0];
+	u8         cross_vhca_object_to_object_supported[0x20];
+
+	u8         allowed_object_for_other_vhca_access[0x40];
+
+	u8	   reserved_at_140[0x60];
 
 	u8	   flow_table_type_2_type[0x8];
 	u8	   reserved_at_1a8[0x3];
@@ -6369,6 +6382,28 @@ struct mlx5_ifc_general_obj_out_cmd_hdr_bits {
 	u8         reserved_at_60[0x20];
 };
 
+struct mlx5_ifc_allow_other_vhca_access_in_bits {
+	u8 opcode[0x10];
+	u8 uid[0x10];
+	u8 reserved_at_20[0x10];
+	u8 op_mod[0x10];
+	u8 reserved_at_40[0x50];
+	u8 object_type_to_be_accessed[0x10];
+	u8 object_id_to_be_accessed[0x20];
+	u8 reserved_at_c0[0x40];
+	union {
+		u8 access_key_raw[0x100];
+		u8 access_key[8][0x20];
+	};
+};
+
+struct mlx5_ifc_allow_other_vhca_access_out_bits {
+	u8 status[0x8];
+	u8 reserved_at_8[0x18];
+	u8 syndrome[0x20];
+	u8 reserved_at_40[0x40];
+};
+
 struct mlx5_ifc_modify_header_arg_bits {
 	u8         reserved_at_0[0x80];
 
@@ -6391,6 +6426,24 @@ struct mlx5_ifc_create_match_definer_out_bits {
 	struct mlx5_ifc_general_obj_out_cmd_hdr_bits general_obj_out_cmd_hdr;
 };
 
+struct mlx5_ifc_alias_context_bits {
+	u8 vhca_id_to_be_accessed[0x10];
+	u8 reserved_at_10[0xd];
+	u8 status[0x3];
+	u8 object_id_to_be_accessed[0x20];
+	u8 reserved_at_40[0x40];
+	union {
+		u8 access_key_raw[0x100];
+		u8 access_key[8][0x20];
+	};
+	u8 metadata[0x80];
+};
+
+struct mlx5_ifc_create_alias_obj_in_bits {
+	struct mlx5_ifc_general_obj_in_cmd_hdr_bits hdr;
+	struct mlx5_ifc_alias_context_bits alias_ctx;
+};
+
 enum {
 	MLX5_QUERY_FLOW_GROUP_OUT_MATCH_CRITERIA_ENABLE_OUTER_HEADERS    = 0x0,
 	MLX5_QUERY_FLOW_GROUP_OUT_MATCH_CRITERIA_ENABLE_MISC_PARAMETERS  = 0x1,
@@ -11919,6 +11972,7 @@ enum {
 	MLX5_GENERAL_OBJECT_TYPES_FLOW_METER_ASO = 0x24,
 	MLX5_GENERAL_OBJECT_TYPES_MACSEC = 0x27,
 	MLX5_GENERAL_OBJECT_TYPES_INT_KEK = 0x47,
+	MLX5_GENERAL_OBJECT_TYPES_FLOW_TABLE_ALIAS = 0xff15,
 };
 
 enum {
-- 
2.41.0