mlxsw: pci: Add resources query implementation.

[deliverable/linux.git] / drivers / net / ethernet / mellanox / mlxsw / cmd.h

diff --git a/drivers/net/ethernet/mellanox/mlxsw/cmd.h b/drivers/net/ethernet/mellanox/mlxsw/cmd.h
index f9cd6e3f7709a1eb3ee85a65e6628c7a3109e853..28271bedd95711b190934d6939348557600f1fa2 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlxsw/cmd.h
+++ b/drivers/net/ethernet/mellanox/mlxsw/cmd.h
@@ -105,6 +105,7 @@ enum mlxsw_cmd_opcode {
        MLXSW_CMD_OPCODE_SW2HW_EQ               = 0x013,
        MLXSW_CMD_OPCODE_HW2SW_EQ               = 0x014,
        MLXSW_CMD_OPCODE_QUERY_EQ               = 0x015,
+       MLXSW_CMD_OPCODE_QUERY_RESOURCES        = 0x101,
 };
 
 static inline const char *mlxsw_cmd_opcode_str(u16 opcode)
@@ -144,6 +145,8 @@ static inline const char *mlxsw_cmd_opcode_str(u16 opcode)
                return "HW2SW_EQ";
        case MLXSW_CMD_OPCODE_QUERY_EQ:
                return "QUERY_EQ";
+       case MLXSW_CMD_OPCODE_QUERY_RESOURCES:
+               return "QUERY_RESOURCES";
        default:
                return "*UNKNOWN*";
        }
@@ -500,6 +503,35 @@ static inline int mlxsw_cmd_unmap_fa(struct mlxsw_core *mlxsw_core)
        return mlxsw_cmd_exec_none(mlxsw_core, MLXSW_CMD_OPCODE_UNMAP_FA, 0, 0);
 }
 
+/* QUERY_RESOURCES - Query chip resources
+ * --------------------------------------
+ * OpMod == 0 (N/A) , INMmod is index
+ * ----------------------------------
+ * The QUERY_RESOURCES command retrieves information related to chip resources
+ * by resource ID. Every command returns 32 entries. INmod is being use as base.
+ * for example, index 1 will return entries 32-63. When the tables end and there
+ * are no more sources in the table, will return resource id 0xFFF to indicate
+ * it.
+ */
+static inline int mlxsw_cmd_query_resources(struct mlxsw_core *mlxsw_core,
+                                           char *out_mbox, int index)
+{
+       return mlxsw_cmd_exec_out(mlxsw_core, MLXSW_CMD_OPCODE_QUERY_RESOURCES,
+                                 0, index, false, out_mbox,
+                                 MLXSW_CMD_MBOX_SIZE);
+}
+
+/* cmd_mbox_query_resource_id
+ * The resource id. 0xFFFF indicates table's end.
+ */
+MLXSW_ITEM32_INDEXED(cmd_mbox, query_resource, id, 0x00, 16, 16, 0x8, 0, false);
+
+/* cmd_mbox_query_resource_data
+ * The resource
+ */
+MLXSW_ITEM64_INDEXED(cmd_mbox, query_resource, data,
+                    0x00, 0, 40, 0x8, 0, false);
+
 /* CONFIG_PROFILE (Set) - Configure Switch Profile
  * ------------------------------
  * OpMod == 1 (Set), INMmod == 0 (N/A)