svn commit: r347275 - head/sys/dev/mlx5

[Hans Petter Selasky]

Author: hselasky
Date: Wed May  8 10:41:00 2019
New Revision: 347275
URL: https://svnweb.freebsd.org/changeset/base/347275

Log:
  Enhance MCAM reg to allow query on access reg support in mlx5core.
  
  Enhance MCAM to allow the driver to query which access regs are
  supported. For now, expose the regs needed for FW flashing.
  
  Linux commit:
  0ab87743cc8c5bcd482daf71961ed5fc45349e01
  
  Submitted by:	slavash@
  MFC after:	3 days
  Sponsored by:	Mellanox Technologies

Modified:
  head/sys/dev/mlx5/device.h
  head/sys/dev/mlx5/mlx5_ifc.h

Modified: head/sys/dev/mlx5/device.h
==============================================================================
--- head/sys/dev/mlx5/device.h	Wed May  8 10:40:41 2019	(r347274)
+++ head/sys/dev/mlx5/device.h	Wed May  8 10:41:00 2019	(r347275)
@@ -1056,6 +1056,9 @@ enum mlx5_mcam_feature_groups {
 #define MLX5_CAP_MCAM_FEATURE(mdev, fld) \
 	MLX5_GET(mcam_reg, (mdev)->caps.mcam, mng_feature_cap_mask.enhanced_features.fld)
 
+#define	MLX5_CAP_MCAM_REG(mdev, reg) \
+	MLX5_GET(mcam_reg, (mdev)->caps.mcam, mng_access_reg_cap_mask.access_regs.reg)
+
 #define	MLX5_CAP_QCAM_REG(mdev, fld) \
 	MLX5_GET(qcam_reg, (mdev)->caps.qcam, qos_access_reg_cap_mask.reg_cap.fld)
 

Modified: head/sys/dev/mlx5/mlx5_ifc.h
==============================================================================
--- head/sys/dev/mlx5/mlx5_ifc.h	Wed May  8 10:40:41 2019	(r347274)
+++ head/sys/dev/mlx5/mlx5_ifc.h	Wed May  8 10:41:00 2019	(r347275)
@@ -8585,6 +8585,18 @@ struct mlx5_ifc_mcam_enhanced_features_bits {
 	u8         pcie_performance_group[0x1];
 };
 
+struct mlx5_ifc_mcam_access_reg_bits {
+	u8         reserved_at_0[0x1c];
+	u8         mcda[0x1];
+	u8         mcc[0x1];
+	u8         mcqi[0x1];
+	u8         reserved_at_1f[0x1];
+
+	u8         regs_95_to_64[0x20];
+	u8         regs_63_to_32[0x20];
+	u8         regs_31_to_0[0x20];
+};
+
 struct mlx5_ifc_mcam_reg_bits {
 	u8         reserved_at_0[0x8];
 	u8         feature_group[0x8];
@@ -8594,6 +8606,7 @@ struct mlx5_ifc_mcam_reg_bits {
 	u8         reserved_at_20[0x20];
 
 	union {
+		struct mlx5_ifc_mcam_access_reg_bits access_regs;
 		u8         reserved_at_0[0x80];
 	} mng_access_reg_cap_mask;