On 26/05/2023 12:01, Zhijian Li (Fujitsu) wrote:
> 
> 
> On 25/05/2023 23:28, Dave Jiang wrote:
>>
>> On 5/22/23 20:57, Li Zhijian wrote:
>>> It requires some CLX specific kconfigs and testing purpose module
>>>
>>> Signed-off-by: Li Zhijian <lizhij...@fujitsu.com>
>>> ---
>>>    README.md | 17 +++++++++++++++--
>>>    1 file changed, 15 insertions(+), 2 deletions(-)
>>>
>>> diff --git a/README.md b/README.md
>>> index 7c7cf0dd065d..521e2582fb05 100644
>>> --- a/README.md
>>> +++ b/README.md
>>> @@ -39,8 +39,8 @@ https://nvdimm.wiki.kernel.org/start
>>>    Unit Tests
>>>    ==========
>>> -The unit tests run by `meson test` require the nfit_test.ko module to be
>>> -loaded.  To build and install nfit_test.ko:
>>> +The unit tests run by `meson test` require the nfit_test.ko and 
>>> cxl_test.ko modules to be
>>> +loaded.  To build and install nfit_test.ko and cxl_test.ko:
>>>    1. Obtain the kernel source.  For example,
>>>       `git clone -b libnvdimm-for-next 
>>> git://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git`
>>> @@ -70,6 +70,13 @@ loaded.  To build and install nfit_test.ko:
>>>       CONFIG_NVDIMM_DAX=y
>>>       CONFIG_DEV_DAX_PMEM=m
>>>       CONFIG_ENCRYPTED_KEYS=y
>>> +   CONFIG_CXL_BUS=m
>>> +   CONFIG_CXL_PCI=m
>>> +   CONFIG_CXL_ACPI=m
>>> +   CONFIG_CXL_PMEM=m
>>> +   CONFIG_CXL_MEM=m
>>> +   CONFIG_CXL_PORT=m
>>> +   CONFIG_DEV_DAX_CXL=m
>>
>> Probably should have a separate entry for CXL configs for testing. There's a 
>> cxl.git at kernel.org as well.
>>
>> Also will need:
>>
>> CONFIG_NVDIMM_SECURITY_TEST=y
>>
> 
> I also noticed that Yi have sent a patch to add this and some other kconfigs
> https://lore.kernel.org/nvdimm/20230516121730.2561605-1-yi.zh...@redhat.com/T/#u
> 
>> CONFIG_CXL_REGION_INVALIDATION_TEST=y
> 
> Yes, i indeed missed it.
> 
> I insert a section before *run the test* as below. A markdown preview of 
> README.md 


Attach the README preview link: 
https://github.com/zhijianli88/ndctl/blob/cxl/README.md



> Please take another look.
> 
> diff --git a/README.md b/README.md
> index 7c7cf0dd065d..324d179ac4ea 100644
> --- a/README.md
> +++ b/README.md
> @@ -82,6 +82,32 @@ loaded.  To build and install nfit_test.ko:
>       sudo make modules_install
>       ```
>    
> +1. CXL test
> +
> +   The unit tests will also run CXL test by default. In order to make the
> +   CXL test work properly, we need to install the cxl_test.ko as well.
> +
> +   Obtain the CXL kernel source(optional).  For example,
> +   `git clone -b pending 
> git://git.kernel.org/pub/scm/linux/kernel/git/cxl/cxl.git`
> +
> +   Enable CXL specific kernel configurations
> +   ```
> +   CONFIG_CXL_BUS=m
> +   CONFIG_CXL_PCI=m
> +   CONFIG_CXL_ACPI=m
> +   CONFIG_CXL_PMEM=m
> +   CONFIG_CXL_MEM=m
> +   CONFIG_CXL_PORT=m
> +   CONFIG_CXL_REGION=y
> +   CONFIG_CXL_REGION_INVALIDATION_TEST=y
> +   CONFIG_DEV_DAX_CXL=m
> +   ```
> +   Install cxl_test.ko
> +   ```For cxl_test.ko
> +   make M=tools/testing/cxl
> +   sudo make M=tools/testing/cxl modules_install
> +   sudo make modules_install
> +   ```
>    1. Now run `meson test -C build` in the ndctl source directory, or `ndctl 
> test`,
>       if ndctl was built with `-Dtest=enabled` as a configuration option to 
> meson.
> 
> 
>>
>>
>>
>>>       ```
>>>    1. Build and install the unit test enabled libnvdimm modules in the
>>> @@ -77,8 +84,14 @@ loaded.  To build and install nfit_test.ko:
>>>       the `depmod` that runs during the final `modules_install`
>>>       ```
>>> +   # For nfit_test.ko
>>>       make M=tools/testing/nvdimm
>>>       sudo make M=tools/testing/nvdimm modules_install
>>> +
>>> +   # For cxl_test.ko
>>> +   make M=tools/testing/cxl
>>> +   sudo make M=tools/testing/cxl modules_install
>>> +
>>>       sudo make modules_install
>>>       ```

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