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net/mlx5: Add dynamic MSI-X capabilities bits 

These new fields declare the number of MSI-X vectors that is possible to
allocate on the VF through PF configuration.

Value must be in range defined by min_dynamic_vf_msix_table_size and
max_dynamic_vf_msix_table_size.

The driver should continue to query its MSI-X table through PCI
configuration header.

Link: https://lore.kernel.org/linux-pci/20210314124256.70253-3-leon@kernel.org
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
This commit is contained in:
Leon Romanovsky 2021-03-14 14:42:54 +02:00
parent c3d5c2d96d
commit 0b989c1e37
1 changed files with 10 additions and 1 deletions
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11
include/linux/mlx5/mlx5_ifc.h
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@ -1683,7 +1683,16 @@ struct mlx5_ifc_cmd_hca_cap_bits {
u8 reserved_at_6e0[0x10];
u8 sf_base_id[0x10];
u8 reserved_at_700[0x80];
u8 reserved_at_700[0x8];
u8 num_total_dynamic_vf_msix[0x18];
u8 reserved_at_720[0x14];
u8 dynamic_msix_table_size[0xc];
u8 reserved_at_740[0xc];
u8 min_dynamic_vf_msix_table_size[0x4];
u8 reserved_at_750[0x4];
u8 max_dynamic_vf_msix_table_size[0xc];
u8 reserved_at_760[0x20];
u8 vhca_tunnel_commands[0x40];
u8 reserved_at_7c0[0x40];
};