text: // Copyright(c) 2017-2020, Intel Corporation
  //
  // Redistribution  and  use  in source  and  binary  forms,  with  or  without
  // modification, are permitted provided that the following conditions are met:
  //
  // * Redistributions of  source code  must retain the  above copyright notice,
  //   this list of conditions and the following disclaimer.
  // * Redistributions in binary form must reproduce the above copyright notice,
  //   this list of conditions and the following disclaimer in the documentation
  //   and/or other materials provided with the distribution.
  // * Neither the name  of Intel Corporation  nor the names of its contributors
  //   may be used to  endorse or promote  products derived  from this  software
  //   without specific prior written permission.
  //
  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,  BUT NOT LIMITED TO,  THE
  // IMPLIED WARRANTIES OF  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  // ARE DISCLAIMED.  IN NO EVENT  SHALL THE COPYRIGHT OWNER  OR CONTRIBUTORS BE
  // LIABLE  FOR  ANY  DIRECT,  INDIRECT,  INCIDENTAL,  SPECIAL,  EXEMPLARY,  OR
  // CONSEQUENTIAL  DAMAGES  (INCLUDING,  BUT  NOT LIMITED  TO,  PROCUREMENT  OF
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  // CONTRACT,  STRICT LIABILITY,  OR TORT  (INCLUDING NEGLIGENCE  OR OTHERWISE)
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  // POSSIBILITY OF SUCH DAMAGE.
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif // HAVE_CONFIG_H
  
  extern "C"{
  #include "types_int.h"
  fpga_result free_umsg_buffer(fpga_handle);
  int xfpga_plugin_initialize(void);
  int xfpga_plugin_finalize(void);
  }
  
  #include "xfpga.h"
  #include "intel-fpga.h"
  #include <cstdarg>
  #include <linux/ioctl.h>
  
  #include "gtest/gtest.h"
  #include "mock/test_system.h"
  #include "sysfs_int.h"
  
  #undef FPGA_MSG
  #define FPGA_MSG(fmt, ...) \
  	printf("MOCK " fmt "\n", ## __VA_ARGS__)
  
  
  using namespace opae::testing;
  
  int umsg_port_info(mock_object * m, int request, va_list argp){
      int retval = -1;
      errno = EINVAL;
      static bool gEnableIRQ = false;
      UNUSED_PARAM(m);
      UNUSED_PARAM(request);
      struct fpga_port_info *pinfo = va_arg(argp, struct fpga_port_info *);
      if (!pinfo) {
          FPGA_MSG("pinfo is NULL");
          goto out_EINVAL;
      }
      if (pinfo->argsz != sizeof(*pinfo)) {
          FPGA_MSG("wrong structure size");
          goto out_EINVAL;
      }
      pinfo->flags = 0;
      pinfo->num_regions = 1;
      pinfo->num_umsgs = 8;
      if (gEnableIRQ) {
          pinfo->capability = FPGA_PORT_CAP_ERR_IRQ | FPGA_PORT_CAP_UAFU_IRQ;
          pinfo->num_uafu_irqs = 1;
      } else {
          pinfo->capability = 0;
          pinfo->num_uafu_irqs = 0;
      }
      retval = 0;
      errno = 0;
  out:
      return retval;
  
  out_EINVAL:
      retval = -1;
      errno = EINVAL;
      goto out;
  }
  
  int umsg_set_mode(mock_object * m, int request, va_list argp){
      int retval = -1;
      errno = EINVAL;
      UNUSED_PARAM(m);
      UNUSED_PARAM(request);
      struct fpga_port_umsg_cfg *ucfg = va_arg(argp, struct fpga_port_umsg_cfg *);
      if (!ucfg) {
      	FPGA_MSG("ucfg is NULL");
      	goto out_EINVAL;
      }
      if (ucfg->argsz != sizeof(*ucfg)) {
      	FPGA_MSG("wrong structure size");
      	goto out_EINVAL;
      }
      if (ucfg->flags != 0) {
      	FPGA_MSG("unexpected flags %u", ucfg->flags);
      	goto out_EINVAL;
      }
      /* TODO: check hint_bitmap */
      if (ucfg->hint_bitmap >> 8) {
      	FPGA_MSG("invalid hint_bitmap 0x%x", ucfg->hint_bitmap);
      	goto out_EINVAL;
      }
      retval = 0;
      errno = 0;
  out:
      return retval;
  
  out_EINVAL:
      retval = -1;
      errno = EINVAL;
      goto out;
  }
  
  int umsg_set_base_addr(mock_object * m, int request, va_list argp){
      int retval = -1;
      errno = EINVAL;
      UNUSED_PARAM(m);
      UNUSED_PARAM(request);
      struct fpga_port_umsg_base_addr *ubase = va_arg(argp, struct fpga_port_umsg_base_addr *);
      if (!ubase) {
      	FPGA_MSG("ubase is NULL");
      	goto out_EINVAL;
      }
      if (ubase->argsz != sizeof(*ubase)) {
      	FPGA_MSG("wrong structure size");
      	goto out_EINVAL;
      }
      if (ubase->flags != 0) {
      	FPGA_MSG("unexpected flags %u", ubase->flags);
      	goto out_EINVAL;
      }
      /* TODO: check iova */
      retval = 0;
      errno = 0;
  out:
      return retval;
  
  out_EINVAL:
      retval = -1;
      errno = EINVAL;
      goto out;
  }
  
  class umsg_c_p
      : public ::testing::TestWithParam<std::string> {
   protected:
    umsg_c_p()
    : handle_(nullptr),
      tokens_{{nullptr, nullptr}} {}
  
    virtual void SetUp() override {
      ASSERT_TRUE(test_platform::exists(GetParam()));
      platform_ = test_platform::get(GetParam());
      system_ = test_system::instance();
      system_->initialize();
      system_->prepare_syfs(platform_);
      ASSERT_EQ(xfpga_plugin_initialize(), FPGA_OK);
      filter_ = nullptr;
      ASSERT_EQ(xfpga_fpgaGetProperties(nullptr, &filter_), FPGA_OK);
      ASSERT_EQ(fpgaPropertiesSetObjectType(filter_, FPGA_ACCELERATOR), FPGA_OK);
      ASSERT_EQ(fpgaPropertiesSetDeviceID(filter_,
                                          platform_.devices[0].device_id), FPGA_OK);
      ASSERT_EQ(xfpga_fpgaEnumerate(&filter_, 1, tokens_.data(), tokens_.size(),
                              &num_matches_),
                FPGA_OK);
      ASSERT_EQ(xfpga_fpgaOpen(tokens_[0], &handle_, 0), FPGA_OK);
      system_->register_ioctl_handler(FPGA_PORT_GET_INFO, umsg_port_info);
    }
  
    virtual void TearDown() override {
      EXPECT_EQ(fpgaDestroyProperties(&filter_), FPGA_OK);
      if (handle_) { EXPECT_EQ(xfpga_fpgaClose(handle_), FPGA_OK); }
  
      for (auto &t : tokens_) {
        if (t) {
          EXPECT_EQ(FPGA_OK, xfpga_fpgaDestroyToken(&t));
          t = nullptr;
        }
      }
      xfpga_plugin_finalize();
      system_->finalize();
    }
  
    fpga_handle handle_;
    std::array<fpga_token, 2> tokens_;
    fpga_properties filter_;
    uint32_t num_matches_;
    test_platform platform_;
    test_system *system_;
  };
  
  /**
   * @test       umsg_c_p
   * @brief      test_umsg_drv_02
   * @details    When the parameters are invalid and the drivers are loaded,
   *             fpgaUmsgGetNumber returns error.
   *
   */
  TEST_P (umsg_c_p, test_umsg_drv_02_DISABLED) {
    uint64_t Umsg_num = 0;
  
    // NULL Driver handle 
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetNumUmsg(NULL, &Umsg_num));
  
    struct _fpga_handle* _handle = (struct _fpga_handle*)handle_;
    _handle->magic = 0x123;
  
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetNumUmsg(_handle, &Umsg_num));
  
    // Reset handle magic 
    _handle->magic = FPGA_HANDLE_MAGIC;
  }
  
  /**
   * @test       umsg_c_p
   * @brief      test_umsg_drv_03
   * @details    When the parameters are invalid and the drivers are loaded,
   *             fpgaUmsgGetNumber returns error.
   *
   */
  TEST_P (umsg_c_p, test_umsg_drv_03_DISABLED) {
    uint64_t Umsg_num = 0;
    int fddev = -1;
  
    // NULL Driver handle
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetNumUmsg(NULL, &Umsg_num));
  
    // Invalid Input Parameter
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetNumUmsg(handle_, NULL));
  
    struct _fpga_handle* _handle = (struct _fpga_handle*)handle_;
  
    fddev = _handle->fddev;
    _handle->fddev = -1;
  
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetNumUmsg(handle_, &Umsg_num));
  
    // Reset handle fd
    _handle->fddev = fddev;
  }
  
  /**
   * @test       Umsg_drv_04
   *
   * @brief      When the parameters are Invalid and the drivers are
   *             loaded, fpgaUmsgSetAttributes retuns error.
   *
   */
  TEST_P(umsg_c_p, test_umsg_drv_05_DISABLED) {
    uint64_t Umsghit_Disble = 0;
    int fddev = -1;
  
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_MODE,umsg_set_mode);
    // NULL Driver handle
    EXPECT_NE(FPGA_OK, xfpga_fpgaSetUmsgAttributes(NULL, Umsghit_Disble));
  
    // Invalid handle magic
    struct _fpga_handle* _handle = (struct _fpga_handle*)handle_;
    _handle->magic = 0x123;
  
    EXPECT_NE(FPGA_OK, xfpga_fpgaSetUmsgAttributes(handle_, Umsghit_Disble));
  
    // Valid handle magic
    _handle->magic = FPGA_HANDLE_MAGIC;
    ASSERT_EQ(FPGA_OK, xfpga_fpgaClose(handle_));
  
    // Invalid Driver handle
    ASSERT_EQ(FPGA_OK, xfpga_fpgaOpen(tokens_[0], &handle_, 0));
    _handle = (struct _fpga_handle*)handle_;
  
    // Invalid handle fd
    fddev = _handle->fddev;
    _handle->fddev = -1;
  
    EXPECT_NE(FPGA_OK, xfpga_fpgaSetUmsgAttributes(handle_, Umsghit_Disble));
  
    // Valid handle fd
    _handle->fddev = fddev;
    ASSERT_EQ(FPGA_OK, xfpga_fpgaClose(handle_));
  
    // Invlaid Input Paramter
    ASSERT_EQ(FPGA_OK, xfpga_fpgaOpen(tokens_[0], &handle_, 0));
    EXPECT_NE(FPGA_OK, xfpga_fpgaSetUmsgAttributes(handle_, 0xFFFFFFFF));
  }
  
  /**
   * @test       Umsg_drv_07
   *
   * @brief      When the parameters are invalid and the drivers are
   *             loaded, xfpga_fpgaGetUmsgPtr returns fpga error.
   *
   */
  TEST_P(umsg_c_p, test_umsg_drv_07_DISABLED) {
    uint64_t* umsg_ptr = NULL;
    int fddev = -1;
  
    // NULL Driver handle
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetUmsgPtr(NULL, &umsg_ptr));
  
    // Invalid handle magic
    struct _fpga_handle* _handle = (struct _fpga_handle*)handle_;
    _handle->magic = 0x123;
  
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetUmsgPtr(handle_, &umsg_ptr));
  
    // Valid handle magic
    _handle->magic = FPGA_HANDLE_MAGIC;
    ASSERT_EQ(FPGA_OK, xfpga_fpgaClose(handle_));
  
    // Invalid Driver handle
    ASSERT_EQ(FPGA_OK, xfpga_fpgaOpen(tokens_[0], &handle_, 0));
    _handle = (struct _fpga_handle*)handle_;
  
    // Invalid handle fd
    fddev = _handle->fddev;
    _handle->fddev = -1;
  
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetUmsgPtr(handle_, &umsg_ptr));
  
    // Valid handle fd
    _handle->fddev = fddev;
    ASSERT_EQ(FPGA_OK, xfpga_fpgaClose(handle_));
  
    // Invalid Input Parameter
    ASSERT_EQ(FPGA_OK, xfpga_fpgaOpen(tokens_[0], &handle_, 0));
  
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetUmsgPtr(handle_, NULL));
  }
  
  /**
   * @test       Umsg_08
   *
   * @brief      When the handle parameter to xfpga_fpgaTriggerUmsg
   *             is NULL, the function returns FPGA_INVALID_PARAM.
   *
   */
  TEST_P(umsg_c_p, test_umsg_drv_08_DISABLED) {
    int fddev = -1;
    auto _handle = (struct _fpga_handle*)handle_;
  
    // Null handle
    EXPECT_EQ(FPGA_INVALID_PARAM, xfpga_fpgaTriggerUmsg(NULL, 0));
  
    // Invalid handle fd
    fddev = _handle->fddev;
    _handle->fddev = -1;
  
    EXPECT_EQ(FPGA_INVALID_PARAM, xfpga_fpgaTriggerUmsg(handle_, 0));
  
    // Reset fd for fpgaClose
    _handle->fddev = fddev;
  }
  
  INSTANTIATE_TEST_CASE_P(umsg_c, umsg_c_p, ::testing::ValuesIn(test_platform::platforms({ "skx-p" })));
  
  class umsg_c_mcp_p : public umsg_c_p {
  };
  
  /**
   * @test       umsg_c_p
   * @brief      test_umsg_drv_01
   * @details    When the parameters are valid and the drivers are loaded,
   *             fpgaUmsgGetNumber returns number of umsgs supported by
   *             slot.
   *
   */
  TEST_P (umsg_c_mcp_p, test_umsg_drv_01_DISABLED) {
    uint64_t Umsg_num = 0;
  
    EXPECT_NE(FPGA_OK, xfpga_fpgaGetNumUmsg(handle_, NULL));
    // Get umsg number
    EXPECT_EQ(FPGA_OK, xfpga_fpgaGetNumUmsg(handle_, &Umsg_num));
    EXPECT_GT(Umsg_num, 0);
  }
  
  /**
   * @test       Umsg_drv_04
   *
   * @brief      When the parameters are valid and the drivers are loaded,
   *             fpgaUmsgSetAttributes sets umsg hit  Enable / Disable.
   *
   */
  TEST_P(umsg_c_mcp_p, test_umsg_drv_04_DISABLED) {
    uint64_t Umsghit_Enable = 0xffff;
    uint64_t Umsghit_Disble = 0;
  
    // Set umsg hint
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_MODE,umsg_set_mode);
    EXPECT_NE(FPGA_OK, xfpga_fpgaSetUmsgAttributes(handle_, Umsghit_Enable));
    EXPECT_EQ(FPGA_OK, xfpga_fpgaSetUmsgAttributes(handle_, Umsghit_Disble));
  }
  
  INSTANTIATE_TEST_CASE_P(umsg_c, umsg_c_mcp_p,
                          ::testing::ValuesIn(test_platform::platforms({"skx-p"})));
  
  class umsg_c_mock_p : public umsg_c_p {
  };
  
   /**
   * @test       Umsg_08
   *
   * @brief      When the handle parameter to xfpga_fpgaTriggerUmsg<br>
   *             is valid, Then the function returns FPGA_OK when <br>
   *             hugepages is allocated. <br>
   *
   */
  TEST_P(umsg_c_mock_p, test_umsg_08_DISABLED) {
    auto res = xfpga_fpgaTriggerUmsg(handle_, 0);
    EXPECT_EQ(FPGA_OK, res) << "\t return value is " << res;
  }
  
  /**
   * @test       umsg_c_mock_p
   * @brief      get_num_umsg_ioctl_err
   * @details    When the parameters are valid and the drivers are loaded,
   *             but the ioctl fails,
   *             fpgaGetNumUmsg returns FPGA_INVALID_PARAM/FPGA_EXCEPTION
   *
   */
  TEST_P(umsg_c_mock_p, get_num_umsg_ioctl_err_DISABLED) {
    uint64_t num = 0;
  
    // register an ioctl handler that will return -1 and set errno to EINVAL
    system_->register_ioctl_handler(FPGA_PORT_GET_INFO, dummy_ioctl<-1,EINVAL>);
    EXPECT_EQ(FPGA_INVALID_PARAM, xfpga_fpgaGetNumUmsg(handle_, &num));
  
    // register an ioctl handler that will return -1 and set errno to EFAULT
    system_->register_ioctl_handler(FPGA_PORT_GET_INFO, dummy_ioctl<-1,EFAULT>);
    EXPECT_EQ(FPGA_EXCEPTION, xfpga_fpgaGetNumUmsg(handle_, &num));
  
    // register an ioctl handler that will return -1 and set errno to ENOTSUP
    system_->register_ioctl_handler(FPGA_PORT_GET_INFO, dummy_ioctl<-1,ENOTSUP>);
    EXPECT_EQ(FPGA_NOT_SUPPORTED, xfpga_fpgaGetNumUmsg(handle_, &num));
  }
  
  /**
   * @test       umsg_c_mock_p
   * @brief      set_umsg_attr_ioctl_err
   * @details    When the parameters are valid and the drivers are loaded,
   *             but the ioctl fails,
   *             fpgaSetUmsgAttributes returns FPGA_INVALID_PARAM/FPGA_EXCEPTION
   *
   */
  TEST_P(umsg_c_mock_p, set_umsg_attr_ioctl_err_DISABLED) {
    uint64_t value = 0;
    // register an ioctl handler that will return -1 and set errno to EINVAL
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_MODE, dummy_ioctl<-1,EINVAL>);
    EXPECT_EQ(FPGA_INVALID_PARAM, xfpga_fpgaSetUmsgAttributes(handle_, value));
  
    // register an ioctl handler that will return -1 and set errno to EFAULT
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_MODE, dummy_ioctl<-1,EFAULT>);
    EXPECT_EQ(FPGA_EXCEPTION, xfpga_fpgaSetUmsgAttributes(handle_, value));
  
  
    // register an ioctl handler that will return -1 and set errno to ENOTSUP
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_MODE, dummy_ioctl<-1,ENOTSUP>);
    EXPECT_EQ(FPGA_NOT_SUPPORTED, xfpga_fpgaSetUmsgAttributes(handle_, value));
  }
  
  /**
   * @test       umsg_c_mock_p
   * @brief      get_umsg_ptr_ioctl_err
   * @details    When the parameters are valid and the drivers are loaded,
   *             but the ioctl fails on FPGA_PORT_UMSG_ENABLE and FPGA_PORT_DMA_UNMAP
   *             fpgaGetUmsgPtr returns FPGA_INVALID_PARAM/FPGA_EXCEPTION
   *
   */
  TEST_P(umsg_c_mock_p, get_umsg_ptr_ioctl_err_DISABLED) {
    uint64_t *value = 0;
  
    // register an ioctl handler that will return -1 and set errno to EINVAL
    system_->register_ioctl_handler(FPGA_PORT_UMSG_ENABLE, dummy_ioctl<-1,EINVAL>);
    system_->register_ioctl_handler(FPGA_PORT_DMA_UNMAP, dummy_ioctl<-1,EINVAL>);
    EXPECT_EQ(FPGA_INVALID_PARAM, xfpga_fpgaGetUmsgPtr(handle_, &value));
  
    // register an ioctl handler that will return -1 and set errno to EFAULT
    system_->register_ioctl_handler(FPGA_PORT_UMSG_ENABLE, dummy_ioctl<-1,EFAULT>);
    system_->register_ioctl_handler(FPGA_PORT_DMA_UNMAP, dummy_ioctl<-1,EFAULT>);
    EXPECT_EQ(FPGA_EXCEPTION, xfpga_fpgaGetUmsgPtr(handle_, &value));
  
    // register an ioctl handler that will return -1 and set errno to ENOTSUP
    system_->register_ioctl_handler(FPGA_PORT_UMSG_ENABLE, dummy_ioctl<-1,ENOTSUP>);
    system_->register_ioctl_handler(FPGA_PORT_DMA_UNMAP, dummy_ioctl<-1,ENOTSUP>);
    EXPECT_EQ(FPGA_NOT_SUPPORTED, xfpga_fpgaGetUmsgPtr(handle_, &value));
  }
  
  /**
   * @test       umsg_c_mock_p
   * @brief      get_umsg_ptr_ioctl_err_02
   * @details    When the parameters are valid and the drivers are loaded,
   *             but the ioctl fails on FPGA_PORT_UMSG_SET_BASE_ADDR
   *             and FPGA_PORT_DMA_UNMAP. fpgaGetUmsgPtr returns
   *             FPGA_INVALID_PARAM/FPGA_EXCEPTION
   *
   */
  TEST_P(umsg_c_mock_p, get_umsg_ptr_ioctl_err_02_DISABLED) {
    uint64_t *value = 0;
  
    // register an ioctl handler that will return -1 and set errno to ENOTSUP
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_BASE_ADDR, dummy_ioctl<-1,ENOTSUP>);
    system_->register_ioctl_handler(FPGA_PORT_DMA_UNMAP, dummy_ioctl<-1,ENOTSUP>);
    EXPECT_EQ(FPGA_NOT_SUPPORTED, xfpga_fpgaGetUmsgPtr(handle_, &value));
  
    // register an ioctl handler that will return -1 and set errno to EFAULT
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_BASE_ADDR, dummy_ioctl<-1,EFAULT>);
    system_->register_ioctl_handler(FPGA_PORT_DMA_UNMAP, dummy_ioctl<-1,EFAULT>);
    EXPECT_EQ(FPGA_EXCEPTION, xfpga_fpgaGetUmsgPtr(handle_, &value));
  }
  
  /**
   * @test       umsg_c_mock_p
   * @brief      get_umsg_ptr_ioctl_err_03
   * @details    When the parameters are valid and the drivers are loaded,
   *             but the ioctl fails on FPGA_PORT_DMA_MAP. fpgaGetUmsgPtr returns
   *             FPGA_INVALID_PARAM/FPGA_EXCEPTION
   *
   */
  TEST_P(umsg_c_mock_p, get_umsg_ptr_ioctl_err_03_DISABLED) {
    uint64_t *value = 0;
  
    // register an ioctl handler that will return -1 and set errno to EINVAL
    system_->register_ioctl_handler(FPGA_PORT_DMA_MAP, dummy_ioctl<-1,EINVAL>);
    EXPECT_EQ(FPGA_INVALID_PARAM, xfpga_fpgaGetUmsgPtr(handle_, &value));
  
    // register an ioctl handler that will return -1 and set errno to EFAULT
    system_->register_ioctl_handler(FPGA_PORT_DMA_MAP, dummy_ioctl<-1,EFAULT>);
    EXPECT_EQ(FPGA_EXCEPTION, xfpga_fpgaGetUmsgPtr(handle_, &value));
  }
  
  /**
   * @test       umsg_c_mock_p
   * @brief      invalid_free_umsg_buffer
   * @details    When the drivers are loaded and handle umsg_virt is mapped,
   *             but ioctl fails on FPGA_PORT_UMSG_DISABLE, FPGA_ERR outputs
   *             "Failed to disable UMSG" and returns FPGA_OK
   *             When ioctl fails on FPGA_PORT_UMSG_SET_BASE_ADDR, FPGA_ERR outputs
   *             "led to zero UMSG address" and returns FPGA_OK
   *
   */
  TEST_P(umsg_c_mock_p, invalid_free_umsg_buffer_DISABLED) {
    uint64_t* umsg_ptr = NULL;
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_BASE_ADDR, umsg_set_base_addr);
    system_->register_ioctl_handler(FPGA_PORT_UMSG_ENABLE, dummy_ioctl<0,EINVAL>);
    auto res = xfpga_fpgaGetUmsgPtr(handle_, &umsg_ptr);
    EXPECT_EQ(FPGA_OK, res);
  
    // register an ioctl handler that will return -1 and set errno to EINVAL
    system_->register_ioctl_handler(FPGA_PORT_UMSG_DISABLE, dummy_ioctl<-1,EINVAL>);
    EXPECT_EQ(FPGA_OK, free_umsg_buffer(handle_));
  
    // register an ioctl handler that will return -1 and set errno to EINVAL
    res = xfpga_fpgaGetUmsgPtr(handle_, &umsg_ptr);
    EXPECT_EQ(FPGA_OK, res);
    system_->register_ioctl_handler(FPGA_PORT_UMSG_DISABLE, dummy_ioctl<0,EINVAL>);
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_BASE_ADDR, dummy_ioctl<-1,EINVAL>);
    EXPECT_EQ(FPGA_OK, free_umsg_buffer(handle_));
  }
  
  /**
   * @test       umsg_c_mock_p
   * @brief      invalid_free_umsg_buffer
   * @details    When the drivers are loaded and handle umsg_virt is mapped,
   *             but ioctl fails on FPGA_PORT_DMA_UNMAP, FPGA_ERR outputs
   *             "Failed to unmap UMSG Buffer" and returns FPGA_OK
   *
   */
  TEST_P(umsg_c_mock_p, invalid_free_umsg_buffer_02_DISABLED) {
    uint64_t* umsg_ptr = NULL;
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_BASE_ADDR, umsg_set_base_addr);
    system_->register_ioctl_handler(FPGA_PORT_UMSG_ENABLE, dummy_ioctl<0,EINVAL>);
    auto res = xfpga_fpgaGetUmsgPtr(handle_, &umsg_ptr);
    EXPECT_EQ(FPGA_OK, res);
  
    // register an ioctl handler that will return -1 and set errno to EINVAL
    system_->register_ioctl_handler(FPGA_PORT_DMA_UNMAP, dummy_ioctl<-1,EINVAL>);
    EXPECT_EQ(FPGA_OK, free_umsg_buffer(handle_));
  }
  
  /**
   * @test       Umsg_drv_06
   *
   * @brief      When the parameters are valid and the drivers are loaded,
   *             xfpga_fpgaGetUmsgPtr returns umsg address.
   *
   */
  TEST_P(umsg_c_mock_p, test_umsg_drv_06_DISABLED) {
    uint64_t* umsg_ptr = NULL;
    fpga_result res;
  
    // Get umsg buffer
    system_->register_ioctl_handler(FPGA_PORT_UMSG_SET_BASE_ADDR, umsg_set_base_addr);
    system_->register_ioctl_handler(FPGA_PORT_UMSG_ENABLE, dummy_ioctl<0,EINVAL>);
    res = xfpga_fpgaGetUmsgPtr(handle_, &umsg_ptr);
    EXPECT_EQ(FPGA_OK, res);
    EXPECT_TRUE(umsg_ptr != NULL) << "\t this is umsg:" << res;
    printf("umsg_ptr %p", umsg_ptr);
  }
  
  /**
   * @test       Umsg_09
   *
   * @brief      When the handle parameter to xfpga_fpgaTriggerUmsg<br>
   *             is invalid, Then the function returns FPGA_EXCEPTION.<br>
   *
   */
  TEST_P(umsg_c_mock_p, test_umsg_09_DISABLED) {
    // register an ioctl handler that will return -1 and set errno to EINVAL
    system_->register_ioctl_handler(FPGA_PORT_GET_INFO, dummy_ioctl<-1,EINVAL>);
    EXPECT_EQ(FPGA_INVALID_PARAM, xfpga_fpgaTriggerUmsg(handle_, 0));
  }
  
  INSTANTIATE_TEST_CASE_P(umsg_c, umsg_c_mock_p,
                          ::testing::ValuesIn(test_platform::mock_platforms({ "skx-p"})));
  
  