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

[Guo, Jia]

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....@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;