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net/mlx5: Add query host params command

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The QUERY_HOST_PARAMS command is used by an Embedded CPU Physical
Function (ECPF) driver to identify and retrieve information about the
PF on the host side. E.g, number of virtual functions and PCI BDF.

The number of VFs can be changed on the fly, a function is added to
query current number of VFs and will be used in downstream patches.

Signed-off-by: Bodong Wang <bodong@mellanox.com>
Signed-off-by: Eli Cohen <eli@mellanox.com>
Reviewed-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Bodong Wang
2019-02-12 22:55:37 -08:00
committed by Saeed Mahameed
parent 22e939a91d
commit c3a4e9f107
4 changed files with 74 additions and 0 deletions
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41
include/linux/mlx5/mlx5_ifc.h
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@@ -142,6 +142,7 @@ enum {
MLX5_CMD_OP_QUERY_XRQ_DC_PARAMS_ENTRY = 0x725,
MLX5_CMD_OP_SET_XRQ_DC_PARAMS_ENTRY = 0x726,
MLX5_CMD_OP_QUERY_XRQ_ERROR_PARAMS = 0x727,
MLX5_CMD_OP_QUERY_HOST_PARAMS = 0x740,
MLX5_CMD_OP_QUERY_VPORT_STATE = 0x750,
MLX5_CMD_OP_MODIFY_VPORT_STATE = 0x751,
MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT = 0x752,
@@ -9522,4 +9523,44 @@ struct mlx5_ifc_mtrc_ctrl_bits {
u8 reserved_at_80[0x180];
};
struct mlx5_ifc_host_params_context_bits {
u8 host_number[0x8];
u8 reserved_at_8[0x8];
u8 host_num_of_vfs[0x10];
u8 reserved_at_20[0x10];
u8 host_pci_bus[0x10];
u8 reserved_at_40[0x10];
u8 host_pci_device[0x10];
u8 reserved_at_60[0x10];
u8 host_pci_function[0x10];
u8 reserved_at_80[0x180];
};
struct mlx5_ifc_query_host_params_in_bits {
u8 opcode[0x10];
u8 reserved_at_10[0x10];
u8 reserved_at_20[0x10];
u8 op_mod[0x10];
u8 reserved_at_40[0x40];
};
struct mlx5_ifc_query_host_params_out_bits {
u8 status[0x8];
u8 reserved_at_8[0x18];
u8 syndrome[0x20];
u8 reserved_at_40[0x40];
struct mlx5_ifc_host_params_context_bits host_params_context;
u8 reserved_at_280[0x180];
};
#endif /* MLX5_IFC_H */