netdev - [PATCH mlx5-next 01/16] vdpa/mlx5: Expose descriptor group mkey hw capability

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20230928164550.980832-3-dtatulea@nvidia.com>
Date: Thu, 28 Sep 2023 19:45:12 +0300
From: Dragos Tatulea <dtatulea@...dia.com>
To: <eperezma@...hat.com>, <gal@...dia.com>, "Michael S . Tsirkin"
	<mst@...hat.com>, Jason Wang <jasowang@...hat.com>, Saeed Mahameed
	<saeedm@...dia.com>, Leon Romanovsky <leon@...nel.org>
CC: <virtualization@...ts.linux-foundation.org>, Dragos Tatulea
	<dtatulea@...dia.com>, <netdev@...r.kernel.org>,
	<linux-rdma@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH mlx5-next 01/16] vdpa/mlx5: Expose descriptor group mkey hw capability

Necessary for improved live migration flow. Actual support will be added
in a downstream patch.

Reviewed-by: Gal Pressman <gal@...dia.com>
Signed-off-by: Dragos Tatulea <dtatulea@...dia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index dd8421d021cf..ec15330b970d 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1231,7 +1231,13 @@ struct mlx5_ifc_virtio_emulation_cap_bits {
 	u8         max_emulated_devices[0x8];
 	u8         max_num_virtio_queues[0x18];
 
-	u8         reserved_at_a0[0x60];
+	u8         reserved_at_a0[0x20];
+
+	u8	   reserved_at_c0[0x13];
+	u8         desc_group_mkey_supported[0x1];
+	u8         reserved_at_d4[0xc];
+
+	u8         reserved_at_e0[0x20];
 
 	u8         umem_1_buffer_param_a[0x20];
 
-- 
2.41.0