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net/mlx5: Read MCAM register groups 1 and 2

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On load, Driver caches MCAM (Management Capabilities Mask Register)
registers. in addition to the only MCAM register group (0) the driver
already reads, here we add support for reading groups 1 and 2.

Signed-off-by: Eran Ben Elisha <eranbe@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eran Ben Elisha
2019-10-07 10:31:42 +03:00
committed by Saeed Mahameed
parent f397464eb7
commit 932ef15511
3 changed files with 23 additions and 8 deletions
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14
include/linux/mlx5/device.h
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@@ -1121,6 +1121,9 @@ enum mlx5_pcam_feature_groups {
enum mlx5_mcam_reg_groups {
MLX5_MCAM_REGS_FIRST_128 = 0x0,
MLX5_MCAM_REGS_0x9080_0x90FF = 0x1,
MLX5_MCAM_REGS_0x9100_0x917F = 0x2,
MLX5_MCAM_REGS_NUM = 0x3,
};
enum mlx5_mcam_feature_groups {
@@ -1269,7 +1272,16 @@ enum mlx5_qcam_feature_groups {
MLX5_GET(pcam_reg, (mdev)->caps.pcam, port_access_reg_cap_mask.regs_5000_to_507f.reg)
#define MLX5_CAP_MCAM_REG(mdev, reg) \
MLX5_GET(mcam_reg, (mdev)->caps.mcam, mng_access_reg_cap_mask.access_regs.reg)
MLX5_GET(mcam_reg, (mdev)->caps.mcam[MLX5_MCAM_REGS_FIRST_128], \
mng_access_reg_cap_mask.access_regs.reg)
#define MLX5_CAP_MCAM_REG1(mdev, reg) \
MLX5_GET(mcam_reg, (mdev)->caps.mcam[MLX5_MCAM_REGS_0x9080_0x90FF], \
mng_access_reg_cap_mask.access_regs1.reg)
#define MLX5_CAP_MCAM_REG2(mdev, reg) \
MLX5_GET(mcam_reg, (mdev)->caps.mcam[MLX5_MCAM_REGS_0x9100_0x917F], \
mng_access_reg_cap_mask.access_regs2.reg)
#define MLX5_CAP_MCAM_FEATURE(mdev, fld) \
MLX5_GET(mcam_reg, (mdev)->caps.mcam, mng_feature_cap_mask.enhanced_features.fld)