linux-kernel - [PATCH mlx5-vhost v2 1/8] vdpa/mlx5: Expose resumable vq capability

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Message-ID: <20231205104609.876194-2-dtatulea@nvidia.com>
Date:   Tue, 5 Dec 2023 12:46:02 +0200
From:   Dragos Tatulea <dtatulea@...dia.com>
To:     "Michael S . Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Eugenio Perez Martin <eperezma@...hat.com>,
        Si-Wei Liu <si-wei.liu@...cle.com>,
        Saeed Mahameed <saeedm@...dia.com>,
        Leon Romanovsky <leon@...nel.org>,
        <virtualization@...ts.linux-foundation.org>,
        Gal Pressman <gal@...dia.com>
CC:     Dragos Tatulea <dtatulea@...dia.com>, <kvm@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Parav Pandit <parav@...dia.com>,
        Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
Subject: [PATCH mlx5-vhost v2 1/8] vdpa/mlx5: Expose resumable vq capability

Necessary for checking if resumable vqs are supported by the hardware.
Actual support will be added in a downstream patch.

Signed-off-by: Dragos Tatulea <dtatulea@...dia.com>
Reviewed-by: Gal Pressman <gal@...dia.com>
Acked-by: Eugenio Pérez <eperezma@...hat.com>
---
 include/linux/mlx5/mlx5_ifc.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 6f3631425f38..9eaceaf6bcb0 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1236,7 +1236,8 @@ struct mlx5_ifc_virtio_emulation_cap_bits {
 
 	u8	   reserved_at_c0[0x13];
 	u8         desc_group_mkey_supported[0x1];
-	u8         reserved_at_d4[0xc];
+	u8         freeze_to_rdy_supported[0x1];
+	u8         reserved_at_d5[0xb];
 
 	u8         reserved_at_e0[0x20];
 
-- 
2.42.0