From: Dragos Tatulea <dtatulea@nvidia.com>
Date: Thu, 28 Sep 2023 16:45:12 +0000 (+0300)
Subject: vdpa/mlx5: Expose descriptor group mkey hw capability
X-Git-Tag: v6.7-rc1~54^2~33^2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d424348b060d87f92cc59d8e6ea9c612c5b708f5;p=thirdparty%2Fkernel%2Flinux.git

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@nvidia.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
Link: https://lore.kernel.org/r/20230928164550.980832-3-dtatulea@nvidia.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
---

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index fc3db401f8a28..3388007c645f0 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];