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IB/mlx5: Add support for hca_core_clock and timestamp_mask

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Reporting the hca_core_clock (in kHZ) and the timestamp_mask in
query_device extended verb. timestamp_mask is used by users in order
to know what is the valid range of the raw timestamps, while
hca_core_clock reports the clock frequency that is used for
timestamps.

Signed-off-by: Matan Barak <matanb@mellanox.com>
Reviewed-by: Moshe Lazer <moshel@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Matan Barak 2015-12-15 20:30:11 +02:00 committed by Doug Ledford
parent 301a721e1f
commit 7c60bcbb68
2 changed files with 8 additions and 3 deletions
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2
drivers/infiniband/hw/mlx5/main.c
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@ -503,6 +503,8 @@ static int mlx5_ib_query_device(struct ib_device *ibdev,
props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
props->max_mcast_grp;
props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */
props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz);
props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL;
#ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
if (MLX5_CAP_GEN(mdev, pg))

9
include/linux/mlx5/mlx5_ifc.h
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@ -794,15 +794,18 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_63[0x8];
u8 log_uar_page_sz[0x10];
u8 reserved_64[0x100];
u8 reserved_64[0x20];
u8 device_frequency_mhz[0x20];
u8 device_frequency_khz[0x20];
u8 reserved_65[0xa0];
u8 reserved_65[0x1f];
u8 reserved_66[0x1f];
u8 cqe_zip[0x1];
u8 cqe_zip_timeout[0x10];
u8 cqe_zip_max_num[0x10];
u8 reserved_66[0x220];
u8 reserved_67[0x220];
};
enum {