Re: [dpdk-dev] Disabling CONFIG_RTE_EAL_VFIO breaks build on ARM

[Hemant Agrawal <hemant.agrawal@nxp.com>]

Hi Yongseok,

On 2/22/2018 8:12 PM, Yongseok Koh wrote:
> Hi,
> 
> If I disable vfio by setting CONFIG_RTE_EAL_VFIO=n, I'm having the following compilation error.
> 
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c: In function ‘fslmc_get_container_group’:
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c:97:2: error: implicit declaration of function ‘vfio_get_group_no’ [-Werror=implicit-function-declaration]
>>    ret = vfio_get_group_no(SYSFS_FSL_MC_DEVICES, g_container, groupid);
>>    ^
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c:97:2: error: nested extern declaration of ‘vfio_get_group_no’ [-Werror=nested-externs]
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c: In function ‘vfio_connect_container’:
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c:131:2: error: implicit declaration of function ‘vfio_get_container_fd’ [-Werror=implicit-function-declaration]
>>    fd = vfio_get_container_fd();
>>    ^
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c:131:2: error: nested extern declaration of ‘vfio_get_container_fd’ [-Werror=nested-externs]
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c: In function ‘fslmc_vfio_setup_group’:
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c:630:2: error: implicit declaration of function ‘vfio_get_group_fd’ [-Werror=implicit-function-declaration]
>>    ret = vfio_get_group_fd(groupid);
>>    ^
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c:630:2: error: nested extern declaration of ‘vfio_get_group_fd’ [-Werror=nested-externs]
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c:640:3: error: implicit declaration of function ‘rte_vfio_clear_group’ [-Werror=implicit-function-declaration]
>>     rte_vfio_clear_group(vfio_group.fd);
>>     ^
>> /download/dpdk/drivers/bus/fslmc/fslmc_vfio.c:640:3: error: nested extern declaration of ‘rte_vfio_clear_group’ [-Werror=nested-externs]
> 
> 
> So, I tried to disable CONFIG_RTE_LIBRTE_FSLMC_BUS, then another error on linkage.

For the time being please disable following, we are looking into it

CONFIG_RTE_LIBRTE_FSLMC_BUS=n
CONFIG_RTE_LIBRTE_DPAA2_MEMPOOL=n
CONFIG_RTE_LIBRTE_PMD_DPAA2_PMD=n
CONFIG_RTE_LIBRTE_PMD_DPAA2_SEC=n
CONFIG_RTE_LIBRTE_PMD_DPAA2_EVENTDEV=n

Regards,
Hemant

> Looks like there're dependencies and those should've been properly addressed??
> 
>> /bin/ld: cannot find -lrte_bus_fslmc
>> collect2: error: ld returned 1 exit status
>> make[5]: *** [dpdk-procinfo] Error 1
>> make[4]: *** [proc_info] Error 2
>> make[4]: *** Waiting for unfinished jobs....
>> /bin/ld: cannot find -lrte_bus_fslmc
>> collect2: error: ld returned 1 exit status
>> make[5]: *** [dpdk-test-crypto-perf] Error 1
>> make[4]: *** [test-crypto-perf] Error 2
>> /bin/ld: cannot find -lrte_bus_fslmc
>> collect2: error: ld returned 1 exit status
>> make[5]: *** [dpdk-pdump] Error 1
>> make[4]: *** [pdump] Error 2
>>    LD dpdk-test-eventdev
>> /bin/ld: cannot find -lrte_bus_fslmc
>> collect2: error: ld returned 1 exit status
>> make[5]: *** [dpdk-test-eventdev] Error 1
>> make[4]: *** [test-eventdev] Error 2
>>    LD testbbdev
>> /bin/ld: cannot find -lrte_bus_fslmc
>> collect2: error: ld returned 1 exit status
>> make[5]: *** [testbbdev] Error 1
>> make[4]: *** [test-bbdev] Error 2
>>    LD testpmd
>> /bin/ld: cannot find -lrte_bus_fslmc
>> collect2: error: ld returned 1 exit status
>> make[5]: *** [testpmd] Error 1
>> make[4]: *** [test-pmd] Error 2
>> make[3]: *** [app] Error 2
>> make[2]: *** [all] Error 2
>> make[1]: *** [pre_install] Error 2
>> make: *** [install] Error 2
> 
> 
> 
> Thanks,
> Yongseok
>