net/mlx5_core: Add new query HCA vport commands

Added the implementation for the following commands:

1. QUERY_HCA_VPORT_GID
2. QUERY_HCA_VPORT_PKEY
3. QUERY_HCA_VPORT_CONTEXT

They will be needed when we move to work with ISSI > 0 in the IB driver too.

Signed-off-by: Majd Dibbiny <majd@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 87 insertions, 8 deletions

diff --git a/include/linux/mlx5/device.h b/include/linux/mlx5/device.h
index b288c538347a..b2c43508a737 100644
--- a/include/linux/mlx5/device.h
+++ b/include/linux/mlx5/device.h
@@ -99,6 +99,12 @@ __mlx5_mask(typ, fld))
 
 #define MLX5_GET64(typ, p, fld) be64_to_cpu(*((__be64 *)(p) + __mlx5_64_off(typ, fld)))
 
+#define MLX5_GET64_PR(typ, p, fld) ({ \
+	u64 ___t = MLX5_GET64(typ, p, fld); \
+	pr_debug(#fld " = 0x%llx\n", ___t); \
+	___t; \
+})
+
 enum {
 	MLX5_MAX_COMMANDS		= 32,
 	MLX5_CMD_DATA_BLOCK_SIZE	= 512,
@@ -1172,4 +1178,11 @@ enum {
 	MLX5_CMD_STAT_BAD_SIZE_OUTS_CQES_ERR	= 0x40,
 };
 
+static inline u16 mlx5_to_sw_pkey_sz(int pkey_sz)
+{
+	if (pkey_sz > MLX5_MAX_LOG_PKEY_TABLE)
+		return 0;
+	return MLX5_MIN_PKEY_TABLE_SIZE << pkey_sz;
+}
+
 #endif /* MLX5_DEVICE_H */
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index ba9f212c94bb..8ab8b8af5c32 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h
@@ -553,6 +553,41 @@ struct mlx5_pas {
 	u8	log_sz;
 };
 
+enum port_state_policy {
+	MLX5_AAA_000
+};
+
+enum phy_port_state {
+	MLX5_AAA_111
+};
+
+struct mlx5_hca_vport_context {
+	u32			field_select;
+	bool			sm_virt_aware;
+	bool			has_smi;
+	bool			has_raw;
+	enum port_state_policy	policy;
+	enum phy_port_state	phys_state;
+	enum ib_port_state	vport_state;
+	u8			port_physical_state;
+	u64			sys_image_guid;
+	u64			port_guid;
+	u64			node_guid;
+	u32			cap_mask1;
+	u32			cap_mask1_perm;
+	u32			cap_mask2;
+	u32			cap_mask2_perm;
+	u16			lid;
+	u8			init_type_reply; /* bitmask: see ib spec 14.2.5.6 InitTypeReply */
+	u8			lmc;
+	u8			subnet_timeout;
+	u16			sm_lid;
+	u8			sm_sl;
+	u16			qkey_violation_counter;
+	u16			pkey_violation_counter;
+	bool			grh_required;
+};
+
 static inline void *mlx5_buf_offset(struct mlx5_buf *buf, int offset)
 {
 		return buf->direct.buf + offset;
@@ -792,4 +827,14 @@ struct mlx5_profile {
 	} mr_cache[MAX_MR_CACHE_ENTRIES];
 };
 
+static inline int mlx5_get_gid_table_len(u16 param)
+{
+	if (param > 4) {
+		pr_warn("gid table length is zero\n");
+		return 0;
+	}
+
+	return 8 * (1 << param);
+}
+
 #endif /* MLX5_DRIVER_H */
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index dbe2b32c0539..f06d054ad021 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -2221,12 +2221,15 @@ struct mlx5_ifc_hca_vport_context_bits {
 	u8         has_smi[0x1];
 	u8         has_raw[0x1];
 	u8         grh_required[0x1];
-	u8         reserved_1[0x10];
-	u8         port_state_policy[0x4];
-	u8         phy_port_state[0x4];
+	u8         reserved_1[0xc];
+	u8         port_physical_state[0x4];
+	u8         vport_state_policy[0x4];
+	u8         port_state[0x4];
 	u8         vport_state[0x4];
 
-	u8         reserved_2[0x60];
+	u8         reserved_2[0x20];
+
+	u8         system_image_guid[0x40];
 
 	u8         port_guid[0x40];
 
@@ -3490,7 +3493,8 @@ struct mlx5_ifc_query_hca_vport_pkey_in_bits {
 	u8         op_mod[0x10];
 
 	u8         other_vport[0x1];
-	u8         reserved_2[0xf];
+	u8         reserved_2[0xb];
+	u8         port_num[0x4];
 	u8         vport_number[0x10];
 
 	u8         reserved_3[0x10];
@@ -3519,7 +3523,8 @@ struct mlx5_ifc_query_hca_vport_gid_in_bits {
 	u8         op_mod[0x10];
 
 	u8         other_vport[0x1];
-	u8         reserved_2[0xf];
+	u8         reserved_2[0xb];
+	u8         port_num[0x4];
 	u8         vport_number[0x10];
 
 	u8         reserved_3[0x10];
@@ -3545,7 +3550,8 @@ struct mlx5_ifc_query_hca_vport_context_in_bits {
 	u8         op_mod[0x10];
 
 	u8         other_vport[0x1];
-	u8         reserved_2[0xf];
+	u8         reserved_2[0xb];
+	u8         port_num[0x4];
 	u8         vport_number[0x10];
 
 	u8         reserved_3[0x20];
@@ -4243,7 +4249,8 @@ struct mlx5_ifc_modify_hca_vport_context_in_bits {
 	u8         op_mod[0x10];
 
 	u8         other_vport[0x1];
-	u8         reserved_2[0xf];
+	u8         reserved_2[0xb];
+	u8         port_num[0x4];
 	u8         vport_number[0x10];
 
 	u8         reserved_3[0x20];
diff --git a/include/linux/mlx5/vport.h b/include/linux/mlx5/vport.h
index 99d0e9f85432..67882a834efb 100644
--- a/include/linux/mlx5/vport.h
+++ b/include/linux/mlx5/vport.h
@@ -37,5 +37,19 @@
 
 u8 mlx5_query_vport_state(struct mlx5_core_dev *mdev, u8 opmod);
 void mlx5_query_nic_vport_mac_address(struct mlx5_core_dev *mdev, u8 *addr);
+int mlx5_query_hca_vport_gid(struct mlx5_core_dev *dev, u8 other_vport,
+			     u8 port_num, u16  vf_num, u16 gid_index,
+			     union ib_gid *gid);
+int mlx5_query_hca_vport_pkey(struct mlx5_core_dev *dev, u8 other_vport,
+			      u8 port_num, u16 vf_num, u16 pkey_index,
+			      u16 *pkey);
+int mlx5_query_hca_vport_context(struct mlx5_core_dev *dev,
+				 u8 other_vport, u8 port_num,
+				 u16 vf_num,
+				 struct mlx5_hca_vport_context *rep);
+int mlx5_query_hca_vport_system_image_guid(struct mlx5_core_dev *dev,
+					   __be64 *sys_image_guid);
+int mlx5_query_hca_vport_node_guid(struct mlx5_core_dev *dev,
+				   u64 *node_guid);
 
 #endif /* __MLX5_VPORT_H__ */