Author: hselasky
Date: Wed May 8 10:39:25 2019
New Revision: 347271
URL: https://svnweb.freebsd.org/changeset/base/347271
Log:
Implement PCAM, MCAM access register commands in mlx5core.
Introduced registers will expose capabilities of new registers and
features related to port/management.
Driver will query MCAM and PCAM in order to avoid failing on old
firmwares with lack of support.
Linux commit:
c835ad64683bd3e2d1b31ed2cb1ff4366932edb1
Submitted by: slavash@
MFC after: 3 days
Sponsored by: Mellanox Technologies
Modified:
head/sys/dev/mlx5/mlx5_core/mlx5_core.h
head/sys/dev/mlx5/mlx5_core/mlx5_port.c
Modified: head/sys/dev/mlx5/mlx5_core/mlx5_core.h
==============================================================================
--- head/sys/dev/mlx5/mlx5_core/mlx5_core.h Wed May 8 10:39:01 2019
(r347270)
+++ head/sys/dev/mlx5/mlx5_core/mlx5_core.h Wed May 8 10:39:25 2019
(r347271)
@@ -76,6 +76,10 @@ int mlx5_query_hca_caps(struct mlx5_core_dev *dev);
int mlx5_query_board_id(struct mlx5_core_dev *dev);
int mlx5_query_qcam_reg(struct mlx5_core_dev *mdev, u32 *qcam,
u8 feature_group, u8 access_reg_group);
+int mlx5_query_pcam_reg(struct mlx5_core_dev *dev, u32 *pcam,
+ u8 feature_group, u8 access_reg_group);
+int mlx5_query_mcam_reg(struct mlx5_core_dev *dev, u32 *mcap,
+ u8 feature_group, u8 access_reg_group);
int mlx5_cmd_init_hca(struct mlx5_core_dev *dev);
int mlx5_cmd_teardown_hca(struct mlx5_core_dev *dev);
int mlx5_cmd_force_teardown_hca(struct mlx5_core_dev *dev);
Modified: head/sys/dev/mlx5/mlx5_core/mlx5_port.c
==============================================================================
--- head/sys/dev/mlx5/mlx5_core/mlx5_port.c Wed May 8 10:39:01 2019
(r347270)
+++ head/sys/dev/mlx5/mlx5_core/mlx5_port.c Wed May 8 10:39:25 2019
(r347271)
@@ -79,6 +79,30 @@ int mlx5_query_qcam_reg(struct mlx5_core_dev *mdev, u3
}
EXPORT_SYMBOL_GPL(mlx5_query_qcam_reg);
+int mlx5_query_pcam_reg(struct mlx5_core_dev *dev, u32 *pcam, u8 feature_group,
+ u8 access_reg_group)
+{
+ u32 in[MLX5_ST_SZ_DW(pcam_reg)] = {};
+ int sz = MLX5_ST_SZ_BYTES(pcam_reg);
+
+ MLX5_SET(pcam_reg, in, feature_group, feature_group);
+ MLX5_SET(pcam_reg, in, access_reg_group, access_reg_group);
+
+ return mlx5_core_access_reg(dev, in, sz, pcam, sz, MLX5_REG_PCAM, 0, 0);
+}
+
+int mlx5_query_mcam_reg(struct mlx5_core_dev *dev, u32 *mcam, u8 feature_group,
+ u8 access_reg_group)
+{
+ u32 in[MLX5_ST_SZ_DW(mcam_reg)] = {};
+ int sz = MLX5_ST_SZ_BYTES(mcam_reg);
+
+ MLX5_SET(mcam_reg, in, feature_group, feature_group);
+ MLX5_SET(mcam_reg, in, access_reg_group, access_reg_group);
+
+ return mlx5_core_access_reg(dev, in, sz, mcam, sz, MLX5_REG_MCAM, 0, 0);
+}
+
struct mlx5_reg_pcap {
u8 rsvd0;
u8 port_num;
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