linux-kernel - [PATCH 5.19 02/38] net/mlx5: Introduce ifc bits for using software vhca id

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Date:   Fri, 16 Sep 2022 12:08:36 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Yishai Hadas <yishaih@...dia.com>,
        Mark Bloch <mbloch@...dia.com>,
        Saeed Mahameed <saeedm@...dia.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.19 02/38] net/mlx5: Introduce ifc bits for using software vhca id

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

[ Upstream commit 0372c546eca575445331c0ad8902210b70be6d61 ]

Introduce ifc related stuff to enable using software vhca id
functionality.

Signed-off-by: Yishai Hadas <yishaih@...dia.com>
Reviewed-by: Mark Bloch <mbloch@...dia.com>
Signed-off-by: Saeed Mahameed <saeedm@...dia.com>
Stable-dep-of: 9ca05b0f27de ("RDMA/mlx5: Rely on RoCE fw cap instead of devlink when setting profile")
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/linux/mlx5/mlx5_ifc.h | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index fd7d083a34d33..6d57e5ec9718d 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1804,7 +1804,14 @@ struct mlx5_ifc_cmd_hca_cap_2_bits {
 	u8	   max_reformat_remove_size[0x8];
 	u8	   max_reformat_remove_offset[0x8];
 
-	u8	   reserved_at_c0[0x740];
+	u8	   reserved_at_c0[0x160];
+
+	u8	   reserved_at_220[0x1];
+	u8	   sw_vhca_id_valid[0x1];
+	u8	   sw_vhca_id[0xe];
+	u8	   reserved_at_230[0x10];
+
+	u8	   reserved_at_240[0x5c0];
 };
 
 enum mlx5_ifc_flow_destination_type {
@@ -3715,6 +3722,11 @@ struct mlx5_ifc_rmpc_bits {
 	struct mlx5_ifc_wq_bits wq;
 };
 
+enum {
+	VHCA_ID_TYPE_HW = 0,
+	VHCA_ID_TYPE_SW = 1,
+};
+
 struct mlx5_ifc_nic_vport_context_bits {
 	u8         reserved_at_0[0x5];
 	u8         min_wqe_inline_mode[0x3];
@@ -3731,8 +3743,8 @@ struct mlx5_ifc_nic_vport_context_bits {
 	u8         event_on_mc_address_change[0x1];
 	u8         event_on_uc_address_change[0x1];
 
-	u8         reserved_at_40[0xc];
-
+	u8         vhca_id_type[0x1];
+	u8         reserved_at_41[0xb];
 	u8	   affiliation_criteria[0x4];
 	u8	   affiliated_vhca_id[0x10];
 
@@ -7189,7 +7201,12 @@ struct mlx5_ifc_init_hca_in_bits {
 	u8         reserved_at_20[0x10];
 	u8         op_mod[0x10];
 
-	u8         reserved_at_40[0x40];
+	u8         reserved_at_40[0x20];
+
+	u8         reserved_at_60[0x2];
+	u8         sw_vhca_id[0xe];
+	u8         reserved_at_70[0x10];
+
 	u8	   sw_owner_id[4][0x20];
 };
 
-- 
2.35.1