[dpdk-dev] [PATCH V16 1/4] eal: add device event handle in interrupt thread
Guo, Jia
jia.guo at intel.com
Wed Mar 28 10:14:57 CEST 2018
jianfeng
On 3/27/2018 5:26 PM, Tan, Jianfeng wrote:
> Hi,
>
>
> On 3/26/2018 7:20 PM, Jeff Guo wrote:
>> Add new interrupt handle type of RTE_INTR_HANDLE_DEV_EVENT, for
>> device event interrupt monitor.
>
> A simple search of RTE_INTR_HANDLE_ALARM, we can see that we still
> need to update rte_intr_enable()/rte_intr_disable(), and
> test_interrupt_init().
>
you are right about that.
> Thanks,
> Jianfeng
>
>>
>> Signed-off-by: Jeff Guo <jia.guo at intel.com>
>> ---
>> v16->v15:
>> split into small patch base on the function
>> ---
>> lib/librte_eal/common/include/rte_eal_interrupts.h | 1 +
>> lib/librte_eal/linuxapp/eal/eal_interrupts.c | 5 ++++-
>> 2 files changed, 5 insertions(+), 1 deletion(-)
>>
>> diff --git a/lib/librte_eal/common/include/rte_eal_interrupts.h
>> b/lib/librte_eal/common/include/rte_eal_interrupts.h
>> index 3f792a9..6eb4932 100644
>> --- a/lib/librte_eal/common/include/rte_eal_interrupts.h
>> +++ b/lib/librte_eal/common/include/rte_eal_interrupts.h
>> @@ -34,6 +34,7 @@ enum rte_intr_handle_type {
>> RTE_INTR_HANDLE_ALARM, /**< alarm handle */
>> RTE_INTR_HANDLE_EXT, /**< external handler */
>> RTE_INTR_HANDLE_VDEV, /**< virtual device */
>> + RTE_INTR_HANDLE_DEV_EVENT, /**< device event handle */
>> RTE_INTR_HANDLE_MAX /**< count of elements */
>> };
>> diff --git a/lib/librte_eal/linuxapp/eal/eal_interrupts.c
>> b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
>> index f86f22f..842acaa 100644
>> --- a/lib/librte_eal/linuxapp/eal/eal_interrupts.c
>> +++ b/lib/librte_eal/linuxapp/eal/eal_interrupts.c
>> @@ -674,7 +674,10 @@ eal_intr_process_interrupts(struct epoll_event
>> *events, int nfds)
>> bytes_read = 0;
>> call = true;
>> break;
>> -
>> + case RTE_INTR_HANDLE_DEV_EVENT:
>> + bytes_read = 0;
>> + call = true;
>> + break;
>> default:
>> bytes_read = 1;
>> break;
>
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