S_PCIe_11: Steering Tag properties (#507)

- Use _DSM Method to obtain the STE values from
  table

Signed-off-by: Sujana M <[email protected]>

docs/arm_sbsa_testcase_checklist.rst

@@ -233,6 +233,8 @@ The below table provides the following details
 +-------+--------------------------------------------+-----+----------------------------------------------------+----------------+----+----------+-----+-------------------+
 |865    |Check RP Extensions for DPC                 |FR   |PCI_ER_09                                           |Yes             |Yes |Yes       |No   |No                 |
 +-------+--------------------------------------------+-----+----------------------------------------------------+----------------+----+----------+-----+-------------------+
+|866    |Steering Tag value properties               |FR   |S_PCIe_11                                           |Yes             |Yes#|Yes       |Yes   |No                |
++-------+--------------------------------------------+-----+----------------------------------------------------+----------------+----+----------+-----+-------------------+
 |901    |Enhanced ECAM Memory access check           |L3   |PCI_IN_01, PCI_IN_02                                |No              |Yes |Yes       |No   |Yes                |
 +-------+--------------------------------------------+-----+----------------------------------------------------+----------------+----+----------+-----+-------------------+
 |902    |PCIe Address translation check              |L6   |RE_SMU_2                                            |No              |Yes |Yes       |No   |Yes                |
@@ -257,6 +259,8 @@ The below table provides the following details
 +-------+--------------------------------------------+-----+----------------------------------------------------+----------------+----+----------+-----+-------------------+
 |912    |RAS ERR record for external abort           |FR   |PCI_ER_07                                           |No              |Yes |Yes       |No   |Yes                |
 +-------+--------------------------------------------+-----+----------------------------------------------------+----------------+----+----------+-----+-------------------+
+|913    |Enable and disable STE.DCP bit              |FR   |S_PCIe_10                                           |No              |Yes |Yes       |No   |Yes                |
++-------+--------------------------------------------+-----+----------------------------------------------------+----------------+----+----------+-----+-------------------+
 |1001   |Check for MPAM extension                    |L7   |S_L7MP_01, S_L7MP_02                                |Yes             |Yes |Yes       |No   |No                 |
 +-------+--------------------------------------------+-----+----------------------------------------------------+----------------+----+----------+-----+-------------------+
 |1002   |Check for MPAM LLC CSU                      |L7   |S_L7MP_03, S_L7MP_04                                |Yes             |Yes |Yes       |No   |No                 |

linux_app/sbsa-acs-app/sbsa_app_main.c

@@ -74,6 +74,7 @@ main (int argc, char **argv)
     {
       {"skip", required_argument, NULL, 'n'},
       {"help", no_argument, NULL, 'h'},
+      {"fr", no_argument, NULL, 'r'},
       {NULL, 0, NULL, 0}
     };
 
@@ -90,6 +91,9 @@ main (int argc, char **argv)
        case 'l':
          g_sbsa_level = strtol(optarg, &endptr, 10);
          break;
+       case 'r':
+         g_sbsa_level = 8;
+         break;
        case 'h':
          print_help();
          return 1;

test_pool/Makefile

@@ -27,6 +27,7 @@ obj-m += sbsa_acs_test.o
 sbsa_acs_test-objs += $(TEST_POOL)/pcie/operating_system/test_p001.o \
     $(TEST_POOL)/pcie/operating_system/test_p005.o \
     $(TEST_POOL)/pcie/operating_system/test_p009.o \
+    $(TEST_POOL)/pcie/operating_system/test_p066.o \
     $(TEST_POOL)/smmu/operating_system/test_i016.o
 
 ccflags-y=-I$(PWD)/$(ACS_DIR)/.. -I$(PWD)/$(ACS_DIR)/val/ -I$(PWD)/$(ACS_DIR)/ -DTARGET_LINUX -Wall -Werror

test_pool/pcie/operating_system/test_p066.c

@@ -0,0 +1,73 @@
+/** @file
+ * Copyright (c) 2024, Arm Limited or its affiliates. All rights reserved.
+ * SPDX-License-Identifier : Apache-2.0
+
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+#include "val/common/include/acs_val.h"
+#include "val/common/include/acs_pe.h"
+#include "val/common/include/acs_pcie.h"
+
+#include "val/sbsa/include/sbsa_acs_pcie.h"
+#include "val/sbsa/include/sbsa_val_interface.h"
+
+#define TEST_NUM   (ACS_PCIE_TEST_NUM_BASE + 66)
+#define TEST_RULE  "S_PCIe_11"
+#define TEST_DESC  "Steering Tag value properties         "
+
+static
+void
+payload(void)
+{
+  uint32_t index = val_pe_get_index_mpid(val_pe_get_mpid());
+  uint32_t status;
+
+  /* Obtain the STE values from PAL using _DSM Method */
+  status = val_pcie_dsm_ste_tags();
+  val_print(ACS_PRINT_DEBUG, "\n  STE tag value is %x", status);
+
+
+  if (status == NOT_IMPLEMENTED) {
+      val_print(ACS_PRINT_DEBUG, "\n DSM method for STE not implemented\n", 0);
+      val_set_status(index, RESULT_SKIP(TEST_NUM, 0));
+  }
+  else if (status == 0) {
+      val_print(ACS_PRINT_ERR, "\n STE tag value should not be 0\n", 0);
+      val_set_status(index, RESULT_FAIL(TEST_NUM, 1));
+  }
+  else
+      val_set_status(index, RESULT_PASS(TEST_NUM, 0));
+
+}
+
+uint32_t
+p066_entry(uint32_t num_pe)
+{
+
+  uint32_t status = ACS_STATUS_FAIL;
+
+  num_pe = 1;  //This test is run on single processor
+
+  status = val_initialize_test(TEST_NUM, TEST_DESC, num_pe);
+  if (status != ACS_STATUS_SKIP)
+      val_run_test_payload(TEST_NUM, num_pe, payload, 0);
+
+  /* get the result from all PE and check for failure */
+  status = val_check_for_error(TEST_NUM, num_pe, TEST_RULE);
+
+  val_report_status(0, ACS_END(TEST_NUM), NULL);
+
+  return status;
+}
+