Commit 40b72108 authored Sep 27, 2022 by Maxim Mikityanskiy Committed by Jakub Kicinski Sep 28, 2022

net/mlx5: Add the log_min_mkey_entity_size capability



Add the capability that will allow the driver to determine the minimal
MTT page size to be able to map the smallest possible pages in XSK. The
older firmwares that don't have this capability default to 12 (i.e.
4096-byte pages).

Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Reviewed-by: Tariq Toukan <tariqt@nvidia.com>
Reviewed-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

parent 0d5bfebf

include/linux/mlx5/mlx5_ifc.h

+7 −1

Original line number	Diff line number	Diff line
		@@ -1878,7 +1878,13 @@ struct mlx5_ifc_cmd_hca_cap_2_bits {
		u8 max_reformat_remove_size[0x8];
		u8 max_reformat_remove_offset[0x8];

		u8 reserved_at_c0[0x160];
		u8 reserved_at_c0[0xe0];

		u8 reserved_at_1a0[0xb];
		u8 log_min_mkey_entity_size[0x5];
		u8 reserved_at_1b0[0x10];

		u8 reserved_at_1c0[0x60];

		u8 reserved_at_220[0x1];
		u8 sw_vhca_id_valid[0x1];