Re: [dpdk-dev] [PATCH] enic: corrected the usage of VFIO_PRESENT

["Sujith Sankar (ssujith)" <ssujith@cisco.com>]

On 16/12/14 4:54 am, "Thomas Monjalon" <thomas.monjalon@6wind.com> wrote:

>2014-12-12 13:48, Sujith Sankar:
>> This patch corrects the usage of the flag VFIO_PRESENT in enic driver.
>
>Please, could you explain why the flag VFIO_PRESENT was not well used?

Without including eal_vfio.h, VFIO_PRESENT is not available in enic.
Hence VFIO specific code in enic was not getting compiled and some errors
were generated during run-time.

>
>> This has uncovered a few warnings, and this patch corrects those too.
>[...]
>> --- a/lib/librte_pmd_enic/enic_main.c
>> +++ b/lib/librte_pmd_enic/enic_main.c
>> @@ -39,6 +39,7 @@
>>  #include <sys/mman.h>
>>  #include <fcntl.h>
>>  #include <libgen.h>
>> +#include <sys/ioctl.h>
>>  
>>  #include <rte_pci.h>
>>  #include <rte_memzone.h>
>> @@ -46,6 +47,7 @@
>>  #include <rte_mbuf.h>
>>  #include <rte_string_fns.h>
>>  #include <rte_ethdev.h>
>> +#include <eal_vfio.h>
>
>This header was not designed to be included by PMDs.
>It will break compilation on BSD.

Is there an alternative to make VFIO_PRESENT available in enic?  Please
advise.

Thanks,
-Sujith

>
>>  #include "enic_compat.h"
>>  #include "enic.h"
>> @@ -561,6 +563,7 @@ enic_free_consistent(__rte_unused struct
>>rte_pci_device *hwdev,
>>  	/* Nothing to be done */
>>  }
>>  
>> +#ifndef VFIO_PRESENT
>>  static void
>>  enic_intr_handler(__rte_unused struct rte_intr_handle *handle,
>>  	void *arg)
>> @@ -572,6 +575,7 @@ enic_intr_handler(__rte_unused struct
>>rte_intr_handle *handle,
>>  
>>  	enic_log_q_error(enic);
>>  }
>> +#endif
>
>-- 
>Thomas