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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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15
drivers/net/ethernet/mellanox/mlx5/core/fw.c
View file

@ -131,11 +131,11 @@ static int mlx5_get_pcam_reg(struct mlx5_core_dev *dev)
MLX5_PCAM_REGS_5000_TO_507F);
}
static int mlx5_get_mcam_reg(struct mlx5_core_dev *dev)
static int mlx5_get_mcam_access_reg_group(struct mlx5_core_dev *dev,
enum mlx5_mcam_reg_groups group)
{
return mlx5_query_mcam_reg(dev, dev->caps.mcam,
MLX5_MCAM_FEATURE_ENHANCED_FEATURES,
MLX5_MCAM_REGS_FIRST_128);
return mlx5_query_mcam_reg(dev, dev->caps.mcam[group],
MLX5_MCAM_FEATURE_ENHANCED_FEATURES, group);
}
static int mlx5_get_qcam_reg(struct mlx5_core_dev *dev)
@ -221,8 +221,11 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev)
if (MLX5_CAP_GEN(dev, pcam_reg))
mlx5_get_pcam_reg(dev);
if (MLX5_CAP_GEN(dev, mcam_reg))
mlx5_get_mcam_reg(dev);
if (MLX5_CAP_GEN(dev, mcam_reg)) {
mlx5_get_mcam_access_reg_group(dev, MLX5_MCAM_REGS_FIRST_128);
mlx5_get_mcam_access_reg_group(dev, MLX5_MCAM_REGS_0x9080_0x90FF);
mlx5_get_mcam_access_reg_group(dev, MLX5_MCAM_REGS_0x9100_0x917F);
}
if (MLX5_CAP_GEN(dev, qcam_reg))
mlx5_get_qcam_reg(dev);

14
include/linux/mlx5/device.h
View file

@ -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)

2
include/linux/mlx5/driver.h
View file

@ -684,7 +684,7 @@ struct mlx5_core_dev {
u32 hca_cur[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
u32 hca_max[MLX5_CAP_NUM][MLX5_UN_SZ_DW(hca_cap_union)];
u32 pcam[MLX5_ST_SZ_DW(pcam_reg)];
u32 mcam[MLX5_ST_SZ_DW(mcam_reg)];
u32 mcam[MLX5_MCAM_REGS_NUM][MLX5_ST_SZ_DW(mcam_reg)];
u32 fpga[MLX5_ST_SZ_DW(fpga_cap)];
u32 qcam[MLX5_ST_SZ_DW(qcam_reg)];
u8 embedded_cpu;