[dpdk-dev] [PATCH V16 1/4] eal: add device event handle in interrupt thread

Tan, Jianfeng jianfeng.tan at intel.com
Tue Mar 27 11:26:40 CEST 2018


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().

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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