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[mlx5-next,v6,2/4] net/mlx5: Add dynamic MSI-X capabilities bits

Message ID 20210209133445.700225-3-leon@kernel.org (mailing list archive)
State Awaiting Upstream
Delegated to: Netdev Maintainers
Headers show
Series Dynamically assign MSI-X vectors count | expand

Checks

Context Check Description
netdev/tree_selection success Guessing tree name failed - patch did not apply

Commit Message

Leon Romanovsky Feb. 9, 2021, 1:34 p.m. UTC 
From: Leon Romanovsky <leonro@nvidia.com>

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.

Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
---
 include/linux/mlx5/mlx5_ifc.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)
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Patch

diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 77051bd5c1cf..ffe2c7231ae4 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1677,7 +1677,16 @@  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];
 };