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net/mlx5: Add the log_min_mkey_entity_size capability

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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>
This commit is contained in:
Maxim Mikityanskiy 2022-09-27 13:35:56 -07:00 committed by Jakub Kicinski
parent 0d5bfebf74
commit 40b72108f9
1 changed files with 7 additions and 1 deletions
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8
include/linux/mlx5/mlx5_ifc.h
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@ -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];