[dpdk-dev] [PATCH v3 14/28] eal/pci: Add rte_eal_devargs_remove

[Tetsuya Mukawa]

Hi Michael,

(2014/12/10 0:36), Qiu, Michael wrote:
> I don't know if other reviewers ask you to split so many patches. But I
> would like merge some of them, because some are doing same affairs(just
> using different args), others should be add/remove affairs. Those could
> be merge to one patch, although it is much more easier for review.
>
> Actually, it is much harder to review such long thread....

I am sorry for that. I will merge some patches into one.
Also appreciate your other comments.
I will fix my code like your suggestions, and submit it again.

Thanks,
Tetsuya

> But just one suggestion, merge or not depends you.
>
> Thanks,
> Michael
> On 2014/12/9 14:33, Tetsuya Mukawa wrote:
>> The function removes a specified devargs from devargs_list.
>>
>> Signed-off-by: Tetsuya Mukawa <mukawa at igel.co.jp>
>> ---
>>  lib/librte_eal/common/eal_common_devargs.c  | 16 ++++++++++++++++
>>  lib/librte_eal/common/include/rte_devargs.h | 18 ++++++++++++++++++
>>  2 files changed, 34 insertions(+)
>>
>> diff --git a/lib/librte_eal/common/eal_common_devargs.c b/lib/librte_eal/common/eal_common_devargs.c
>> index f95a12d..5fd2a2c 100644
>> --- a/lib/librte_eal/common/eal_common_devargs.c
>> +++ b/lib/librte_eal/common/eal_common_devargs.c
>> @@ -140,6 +140,22 @@ rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str)
>>  	return 0;
>>  }
>>  
>> +/* remove it from the devargs_list */
>> +void
>> +rte_eal_devargs_remove(enum rte_devtype devtype, void *args)
>> +{
>> +	struct rte_devargs *devargs;
>> +
>> +	if (args == NULL)
>> +		return;
>> +
>> +	devargs = rte_eal_devargs_find(devtype, args);
>> +	if (devargs == NULL)
>> +		return;
>> +
>> +	TAILQ_REMOVE(&devargs_list, devargs, next);
>> +}
>> +
>>  /* count the number of devices of a specified type */
>>  unsigned int
>>  rte_eal_devargs_type_count(enum rte_devtype devtype)
>> diff --git a/lib/librte_eal/common/include/rte_devargs.h b/lib/librte_eal/common/include/rte_devargs.h
>> index 9f9c98f..1066efd 100644
>> --- a/lib/librte_eal/common/include/rte_devargs.h
>> +++ b/lib/librte_eal/common/include/rte_devargs.h
>> @@ -123,6 +123,24 @@ extern struct rte_devargs_list devargs_list;
>>  int rte_eal_devargs_add(enum rte_devtype devtype, const char *devargs_str);
>>  
>>  /**
>> + * Remove a device from the user device list
>> + *
>> + * For PCI devices, the format of arguments string is "PCI_ADDR". It shouldn't
>> + * involves parameters for the device. Example: "08:00.1".
>> + *
>> + * For virtual devices, the format of arguments string is "DRIVER_NAME*". It
>> + * shouldn't involves parameters for the device. Example: "eth_ring". The
>> + * validity of the driver name is not checked by this function, it is done
>> + * when closing the drivers.
>> + *
>> + * @param devtype
>> + *   The type of the device.
>> + * @param name
>> + *   The name of the device.
>> + */
>> +void rte_eal_devargs_remove(enum rte_devtype devtype, void *args);
>> +
>> +/**
>>   * Count the number of user devices of a specified type
>>   *
>>   * @param devtype