Hi Ganapati,
   Some comments inline.

> -----Original Message-----
> From: Ganapati Kundapura <ganapati.kundap...@intel.com>
> Sent: Tuesday, June 7, 2022 8:43 PM
> To: jerinjac...@gmail.com; dev@dpdk.org; Jayatheerthan, Jay
> <jay.jayatheert...@intel.com>
> Subject: [PATCH v4] eventdev: add adapter instance get API
> 
> Added rte_event_eth_rx_adapter_instance_get() and
> rte_event_eth_tx_adapter_instance_get() api's to get the adapter instance
> id for a specified event port and queue index.

It is supposed to be ethernet device id, not event port

> 
> Signed-off-by: Ganapati Kundapura <ganapati.kundap...@intel.com>
> ---
> v4:
> * Moved instance array allocation and instance id storage
>   before adapter's nb_queue updation for handling the
>   error case  properly
> 
> v3:
> * Fixed checkpatch error
> 
> v2:
> * Fixed build issues
> * Added telemetry support for rte_event_eth_rx_adapter_instance_get
> * arranged functions in alphabetical order in version.map
> 
> diff --git a/app/test/test_event_eth_rx_adapter.c
> b/app/test/test_event_eth_rx_adapter.c
> index e358a70..878004b 100644
> --- a/app/test/test_event_eth_rx_adapter.c
> +++ b/app/test/test_event_eth_rx_adapter.c
> @@ -39,6 +39,7 @@ test_event_eth_rx_intr_adapter_common(void)
>  #define TEST_INST_ID         0
>  #define TEST_DEV_ID          0
>  #define TEST_ETHDEV_ID               0
> +#define TEST_ETH_QUEUE_ID    0
> 
>  struct event_eth_rx_adapter_test_params {
>       struct rte_mempool *mp;
> @@ -1001,6 +1002,87 @@ adapter_queue_conf(void)
>       return TEST_SUCCESS;
>  }
> 
> +static int
> +adapter_instance_get(void)
> +{
> +     int err;
> +     uint8_t inst_id;
> +     uint16_t eth_dev_id;
> +     struct rte_eth_dev_info dev_info;
> +     struct rte_event_eth_rx_adapter_queue_conf queue_conf = {0};
> +
> +     /* Case 1: Test without configuring eth */
> +     err = rte_event_eth_rx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 TEST_ETH_QUEUE_ID,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
> +
> +     /* Case 2: Test with wrong eth port */
> +     eth_dev_id = rte_eth_dev_count_total() + 1;
> +     err = rte_event_eth_rx_adapter_instance_get(eth_dev_id,
> +                                                 TEST_ETH_QUEUE_ID,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
> +
> +     /* Case 3: Test with wrong rx queue */
> +     err = rte_eth_dev_info_get(TEST_ETHDEV_ID, &dev_info);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     err = rte_event_eth_rx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 dev_info.max_rx_queues +
> 1,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
> +
> +     /* Case 4: Test with right instance, port & rxq */
> +     /* Add queue to Rx adapter */
> +     queue_conf.ev.queue_id = TEST_ETH_QUEUE_ID;
> +     queue_conf.ev.sched_type = RTE_SCHED_TYPE_ATOMIC;
> +     queue_conf.ev.priority = RTE_EVENT_DEV_PRIORITY_NORMAL;
> +
> +     err = rte_event_eth_rx_adapter_queue_add(TEST_INST_ID,
> +                                              TEST_ETHDEV_ID,
> +                                              TEST_ETH_QUEUE_ID,
> +                                              &queue_conf);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     err = rte_event_eth_rx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 TEST_ETH_QUEUE_ID,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     /* Add another queue */
> +     queue_conf.ev.queue_id = TEST_ETH_QUEUE_ID + 1;
> +     err = rte_event_eth_rx_adapter_queue_add(TEST_INST_ID,
> +                                              TEST_ETHDEV_ID,
> +                                              TEST_ETH_QUEUE_ID + 1,
> +                                              &queue_conf);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     err = rte_event_eth_rx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 TEST_ETH_QUEUE_ID + 1,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     /* Case 5: Test with right instance, port & wrong rxq */
> +     err = rte_event_eth_rx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 TEST_ETH_QUEUE_ID + 2,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
> +
> +     /* Delete queues from the Rx adapter */
> +     err = rte_event_eth_rx_adapter_queue_del(TEST_INST_ID,
> +                                              TEST_ETHDEV_ID,
> +                                              TEST_ETH_QUEUE_ID);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     err = rte_event_eth_rx_adapter_queue_del(TEST_INST_ID,
> +                                              TEST_ETHDEV_ID,
> +                                              TEST_ETH_QUEUE_ID + 1);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     return TEST_SUCCESS;
> +}
> +
>  static struct unit_test_suite event_eth_rx_tests = {
>       .suite_name = "rx event eth adapter test suite",
>       .setup = testsuite_setup,
> @@ -1019,6 +1101,8 @@ static struct unit_test_suite event_eth_rx_tests = {
>                            adapter_queue_event_buf_test),
>               TEST_CASE_ST(adapter_create_with_params, adapter_free,
>                            adapter_queue_stats_test),
> +             TEST_CASE_ST(adapter_create, adapter_free,
> +                          adapter_instance_get),
>               TEST_CASES_END() /**< NULL terminate unit test array */
>       }
>  };
> diff --git a/app/test/test_event_eth_tx_adapter.c
> b/app/test/test_event_eth_tx_adapter.c
> index 2900532..ebbc622 100644
> --- a/app/test/test_event_eth_tx_adapter.c
> +++ b/app/test/test_event_eth_tx_adapter.c
> @@ -29,6 +29,7 @@ test_event_eth_tx_adapter_common(void)
>  #define MAX_NUM_QUEUE                RTE_PMD_RING_MAX_RX_RINGS
>  #define TEST_INST_ID         0
>  #define TEST_DEV_ID          0
> +#define TEST_ETH_QUEUE_ID    0
>  #define SOCKET0                      0
>  #define RING_SIZE            256
>  #define ETH_NAME_LEN         32
> @@ -639,6 +640,79 @@ tx_adapter_service(void)  }
> 
>  static int
> +tx_adapter_instance_get(void)
> +{
> +     int err;
> +     uint8_t inst_id;
> +     uint16_t eth_dev_id;
> +     struct rte_eth_dev_info dev_info;
> +
> +     /* Case 1: Test without configuring eth */
> +     err = rte_event_eth_tx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 TEST_ETH_QUEUE_ID,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
> +
> +     /* Case 2: Test with wrong eth port */
> +     eth_dev_id = rte_eth_dev_count_total() + 1;
> +     err = rte_event_eth_tx_adapter_instance_get(eth_dev_id,
> +                                                 TEST_ETH_QUEUE_ID,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
> +
> +     /* Case 3: Test with wrong tx queue */
> +     err = rte_eth_dev_info_get(TEST_ETHDEV_ID, &dev_info);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     err = rte_event_eth_tx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 dev_info.max_tx_queues +
> 1,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
> +
> +     /* Case 4: Test with right instance, port & rxq */
> +     /* Add queue to tx adapter */
> +     err = rte_event_eth_tx_adapter_queue_add(TEST_INST_ID,
> +                                              TEST_ETHDEV_ID,
> +                                              TEST_ETH_QUEUE_ID);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     err = rte_event_eth_tx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 TEST_ETH_QUEUE_ID,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     /* Add another queue to tx adapter */
> +     err = rte_event_eth_tx_adapter_queue_add(TEST_INST_ID,
> +                                              TEST_ETHDEV_ID,
> +                                              TEST_ETH_QUEUE_ID + 1);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     err = rte_event_eth_tx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 TEST_ETH_QUEUE_ID + 1,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     /* Case 5: Test with right instance, port & wrong rxq */
> +     err = rte_event_eth_tx_adapter_instance_get(TEST_ETHDEV_ID,
> +                                                 TEST_ETH_QUEUE_ID + 2,
> +                                                 &inst_id);
> +     TEST_ASSERT(err == -EINVAL, "Expected -EINVAL got %d", err);
> +
> +     /* Delete queues from the Tx adapter */
> +     err = rte_event_eth_tx_adapter_queue_del(TEST_INST_ID,
> +                                              TEST_ETHDEV_ID,
> +                                              TEST_ETH_QUEUE_ID);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     err = rte_event_eth_tx_adapter_queue_del(TEST_INST_ID,
> +                                              TEST_ETHDEV_ID,
> +                                              TEST_ETH_QUEUE_ID + 1);
> +     TEST_ASSERT(err == 0, "Expected 0 got %d", err);
> +
> +     return TEST_SUCCESS;
> +}
> +
> +static int
>  tx_adapter_dynamic_device(void)
>  {
>       uint16_t port_id = rte_eth_dev_count_avail(); @@ -695,6 +769,8
> @@ static struct unit_test_suite event_eth_tx_tests = {
>                                       tx_adapter_start_stop),
>               TEST_CASE_ST(tx_adapter_create, tx_adapter_free,
>                                       tx_adapter_service),
> +             TEST_CASE_ST(tx_adapter_create, tx_adapter_free,
> +                                     tx_adapter_instance_get),
>               TEST_CASE_ST(NULL, NULL, tx_adapter_dynamic_device),
>               TEST_CASES_END() /**< NULL terminate unit test array */
>       }
> diff --git a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> index 3b4ef50..a6d8987 100644
> --- a/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> +++ b/doc/guides/prog_guide/event_ethernet_rx_adapter.rst
> @@ -177,6 +177,12 @@ used otherwise it returns -EINVAL.
>  The ``rte_event_eth_rx_adapter_queue_stats_reset`` function can be used
> to  reset queue level stats when queue level event buffer is in use.
> 
> +Getting Adapter instance id
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +The ``rte_event_eth_rx_adapter_instance_get()`` function reports rx
> +adapter instance id for a specified event port and rx queue index.

Same as above. Event port -> ethernet device id

> +
>  Interrupt Based Rx Queues
>  ~~~~~~~~~~~~~~~~~~~~~~~~~~
> 
> diff --git a/doc/guides/prog_guide/event_ethernet_tx_adapter.rst
> b/doc/guides/prog_guide/event_ethernet_tx_adapter.rst
> index f80d226..b14131d 100644
> --- a/doc/guides/prog_guide/event_ethernet_tx_adapter.rst
> +++ b/doc/guides/prog_guide/event_ethernet_tx_adapter.rst
> @@ -165,6 +165,12 @@ in struct ``rte_event_eth_tx_adapter_stats``. The
> counter values are the sum of  the counts from the eventdev PMD callback if
> the callback is supported, and  the counts maintained by the service function,
> if one exists.
> 
> +Getting Adapter instance id
> +~~~~~~~~~~~~~~~~~~~~~~~~~~~
> +
> +The  ``rte_event_eth_tx_adapter_instanceget()`` function reports tx
> +adapter instance id for a specified event port and tx queue index.
> +
>  Tx event vectorization
>  ~~~~~~~~~~~~~~~~~~~~~~
> 
> diff --git a/lib/eventdev/rte_event_eth_rx_adapter.c
> b/lib/eventdev/rte_event_eth_rx_adapter.c
> index bf8741d..3095647 100644
> --- a/lib/eventdev/rte_event_eth_rx_adapter.c
> +++ b/lib/eventdev/rte_event_eth_rx_adapter.c
> @@ -6,6 +6,7 @@
>  #include <sys/epoll.h>
>  #endif
>  #include <unistd.h>
> +#include <limits.h>
> 
>  #include <rte_cycles.h>
>  #include <rte_common.h>
> @@ -42,7 +43,10 @@
>  /* Sentinel value to detect initialized file handle */
>  #define INIT_FD              -1
> 
> -#define RXA_ADAPTER_ARRAY "rte_event_eth_rx_adapter_array"
> +#define RX_ADAPTER_DATA_ARRAY "rx_adapter_data_array"
> +#define RX_ADAPTER_INSTANCE_ARRAY "rx_adapter_instance_array"
> +
> +#define INVALID_INSTANCE_ID UINT8_MAX
> 
>  /*
>   * Used to store port and queue ID of interrupting Rx queue @@ -251,7
> +255,12 @@ struct eth_rx_queue_info {
>       struct rte_event_eth_rx_adapter_stats *stats;  };
> 
> +struct event_eth_rxa_inst_info {
> +     uint8_t rxa_inst_id;
> +};
> +
>  static struct event_eth_rx_adapter **event_eth_rx_adapter;
> +static struct event_eth_rxa_inst_info **event_eth_rxa_inst_info;
> 
>  /* Enable dynamic timestamp field in mbuf */  static uint64_t
> event_eth_rx_timestamp_dynflag; @@ -1415,15 +1424,13 @@
> rxa_service_func(void *args)
>       return 0;
>  }
> 
> -static int
> -rte_event_eth_rx_adapter_init(void)
> +static void *
> +rxa_memzone_array_get(const char *name, unsigned int elt_size, int
> +nb_elems)
>  {
> -     const char *name = RXA_ADAPTER_ARRAY;
>       const struct rte_memzone *mz;
>       unsigned int sz;
> 
> -     sz = sizeof(*event_eth_rx_adapter) *
> -         RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE;
> +     sz = elt_size * nb_elems;
>       sz = RTE_ALIGN(sz, RTE_CACHE_LINE_SIZE);
> 
>       mz = rte_memzone_lookup(name);
> @@ -1431,13 +1438,46 @@ rte_event_eth_rx_adapter_init(void)
>               mz = rte_memzone_reserve_aligned(name, sz,
> rte_socket_id(), 0,
>                                                RTE_CACHE_LINE_SIZE);
>               if (mz == NULL) {
> -                     RTE_EDEV_LOG_ERR("failed to reserve memzone err
> = %"
> -                                     PRId32, rte_errno);
> -                     return -rte_errno;
> +                     RTE_EDEV_LOG_ERR("failed to reserve memzone"
> +                                      " name = %s, err = %"
> +                                      PRId32, name, rte_errno);
> +                     return NULL;
>               }
>       }
> 
> -     event_eth_rx_adapter = mz->addr;
> +     return mz->addr;
> +}
> +
> +static int
> +rte_event_eth_rx_adapter_init(void)
> +{
> +     uint8_t i;
> +
> +     if (event_eth_rx_adapter == NULL) {
> +             event_eth_rx_adapter =
> +
>       rxa_memzone_array_get(RX_ADAPTER_DATA_ARRAY,
> +                                           sizeof(*event_eth_rx_adapter),
> +
> RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE);
> +             if (event_eth_rx_adapter == NULL)
> +                     return -ENOMEM;
> +
> +             for (i = 0; i <
> RTE_EVENT_ETH_RX_ADAPTER_MAX_INSTANCE; i++)
> +                     event_eth_rx_adapter[i] = NULL;
> +
> +     }
> +
> +     if (event_eth_rxa_inst_info == NULL) {
> +             event_eth_rxa_inst_info =
> +
>       rxa_memzone_array_get(RX_ADAPTER_INSTANCE_ARRAY,
> +                                           sizeof(*event_eth_rxa_inst_info),
> +                                           RTE_MAX_ETHPORTS);
> +             if (event_eth_rxa_inst_info == NULL)
> +                     return -ENOMEM;
> +
> +             for (i = 0; i < RTE_MAX_ETHPORTS; i++)
> +                     event_eth_rxa_inst_info[i] = NULL;
> +     }
> +
>       return 0;
>  }
> 
> @@ -1447,12 +1487,21 @@ rxa_memzone_lookup(void)
>       const struct rte_memzone *mz;
> 
>       if (event_eth_rx_adapter == NULL) {
> -             mz = rte_memzone_lookup(RXA_ADAPTER_ARRAY);
> +             mz = rte_memzone_lookup(RX_ADAPTER_DATA_ARRAY);
>               if (mz == NULL)
>                       return -ENOMEM;
> +
>               event_eth_rx_adapter = mz->addr;
>       }
> 
> +     if (event_eth_rxa_inst_info == NULL) {
> +             mz =
> rte_memzone_lookup(RX_ADAPTER_INSTANCE_ARRAY);
> +             if (mz == NULL)
> +                     return -ENOMEM;
> +
> +             event_eth_rxa_inst_info = mz->addr;
> +     }
> +
>       return 0;
>  }
> 
> @@ -1950,6 +1999,7 @@ rxa_sw_del(struct event_eth_rx_adapter
> *rx_adapter,
>       int pollq;
>       int intrq;
>       int sintrq;
> +     uint16_t eth_dev_id = dev_info->dev->data->port_id;
> 
> 
>       if (rx_adapter->nb_queues == 0)
> @@ -1993,6 +2043,11 @@ rxa_sw_del(struct event_eth_rx_adapter
> *rx_adapter,
>               dev_info->rx_queue[rx_queue_id].event_buf = NULL;
>               dev_info->rx_queue[rx_queue_id].stats = NULL;
>       }
> +
> +     /* unset rxa_inst_id for rx_queue_id */
> +     if (event_eth_rxa_inst_info[eth_dev_id])
> +
>       event_eth_rxa_inst_info[eth_dev_id][rx_queue_id].rxa_inst_id =
> +
>       INVALID_INSTANCE_ID;
>  }
> 
>  static int
> @@ -2085,6 +2140,33 @@ rxa_add_queue(struct event_eth_rx_adapter
> *rx_adapter,
>               }
>       }
> 
> +     /* Allocate storage to store rxa_inst_id for rxq */
> +     if (event_eth_rxa_inst_info[eth_dev_id] == NULL) {
> +             uint16_t n, i;
> +             struct event_eth_rxa_inst_info *i_info;
> +
> +             n = rte_eth_devices[eth_dev_id].data->nb_rx_queues;
> +
> +             i_info = rte_zmalloc_socket("event_eth_rxa_inst_info",
> +                             n * sizeof(struct event_eth_rxa_inst_info),
> +                             0,
> +                             rx_adapter->socket_id);
> +             if (i_info == NULL) {
> +                     RTE_EDEV_LOG_ERR("Failed to allocate storage for "
> +                                      "event_eth_rxa_inst_info");
> +                     return -ENOMEM;
> +             }
> +
> +             for (i = 0; i < n; i++)
> +                     i_info[i].rxa_inst_id = INVALID_INSTANCE_ID;
> +
> +             event_eth_rxa_inst_info[eth_dev_id] = i_info;
> +     }
> +
> +     /* store rxa id for rx_queue_id in event_eth_rxa_inst_info */
> +     event_eth_rxa_inst_info[eth_dev_id][rx_queue_id].rxa_inst_id =
> +                                                             rx_adapter-
> >id;
> +
>       if (!rx_adapter->use_queue_event_buf)
>               return 0;
> 
> @@ -2523,6 +2605,10 @@ int
>  rte_event_eth_rx_adapter_free(uint8_t id)  {
>       struct event_eth_rx_adapter *rx_adapter;
> +     uint16_t eth_dev_id;
> +
> +     if (rxa_memzone_lookup())
> +             return -ENOMEM;
> 
>       RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -
> EINVAL);
> 
> @@ -2544,6 +2630,13 @@ rte_event_eth_rx_adapter_free(uint8_t id)
>       rte_free(rx_adapter);
>       event_eth_rx_adapter[id] = NULL;
> 
> +     for (eth_dev_id = 0; eth_dev_id < RTE_MAX_ETHPORTS;
> eth_dev_id++) {
> +             if (event_eth_rxa_inst_info[eth_dev_id]) {
> +                     rte_free(event_eth_rxa_inst_info[eth_dev_id]);
> +                     event_eth_rxa_inst_info[eth_dev_id] = NULL;
> +             }
> +     }
> +
>       rte_eventdev_trace_eth_rx_adapter_free(id);
>       return 0;
>  }
> @@ -2561,6 +2654,9 @@ rte_event_eth_rx_adapter_queue_add(uint8_t id,
>       struct eth_device_info *dev_info;
>       struct rte_event_eth_rx_adapter_vector_limits limits;
> 
> +     if (rxa_memzone_lookup())
> +             return -ENOMEM;
> +
>       RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -
> EINVAL);
>       RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
> 
> @@ -2726,6 +2822,9 @@ rte_event_eth_rx_adapter_queue_del(uint8_t id,
> uint16_t eth_dev_id,
>       uint32_t *rx_wrr = NULL;
>       int num_intr_vec;
> 
> +     if (rxa_memzone_lookup())
> +             return -ENOMEM;
> +
>       RTE_EVENT_ETH_RX_ADAPTER_ID_VALID_OR_ERR_RET(id, -
> EINVAL);
>       RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
> 
> @@ -2832,6 +2931,7 @@ rte_event_eth_rx_adapter_queue_del(uint8_t id,
> uint16_t eth_dev_id,
> 
>       rte_eventdev_trace_eth_rx_adapter_queue_del(id, eth_dev_id,
>               rx_queue_id, ret);
> +
>       return ret;
>  }
> 
> @@ -3286,6 +3386,49 @@
> rte_event_eth_rx_adapter_queue_conf_get(uint8_t id,
>       return 0;
>  }
> 
> +int
> +rte_event_eth_rx_adapter_instance_get(uint16_t eth_dev_id,
> +                                   uint16_t rx_queue_id,

Indent

> +                                   uint8_t *rxa_inst_id)
> +{
> +     uint8_t inst_id;
> +
> +     if (rxa_memzone_lookup())
> +             return -ENOMEM;
> +
> +     if (eth_dev_id >= rte_eth_dev_count_avail()) {
> +             RTE_EDEV_LOG_ERR("Invalid ethernet port id %u",
> eth_dev_id);
> +             return -EINVAL;
> +     }
> +
> +     if (rx_queue_id >= rte_eth_devices[eth_dev_id].data-
> >nb_rx_queues) {
> +             RTE_EDEV_LOG_ERR("Invalid Rx queue %u", rx_queue_id);
> +             return -EINVAL;
> +     }
> +
> +     if (rxa_inst_id == NULL) {
> +             RTE_EDEV_LOG_ERR("rxa_inst_id cannot be NULL");
> +             return -EINVAL;
> +     }
> +
> +     if (event_eth_rxa_inst_info[eth_dev_id] == NULL) {
> +             RTE_EDEV_LOG_ERR("No valid rxa instance for eth_dev_id
> %u",
> +                              eth_dev_id);
> +             return -EINVAL;
> +     }
> +
> +     inst_id =
> event_eth_rxa_inst_info[eth_dev_id][rx_queue_id].rxa_inst_id;
> +     if (inst_id == INVALID_INSTANCE_ID) {
> +             RTE_EDEV_LOG_ERR("Invalid rxa instance for eth_dev_id
> %u, "
> +                              "rx_queue_id %u", eth_dev_id,
> rx_queue_id);
> +             return -EINVAL;
> +     }
> +
> +     *rxa_inst_id = inst_id;
> +
> +     return 0;
> +}
> +
>  #define RXA_ADD_DICT(stats, s) rte_tel_data_add_dict_u64(d, #s, stats.s)
> 
>  static int
> @@ -3554,6 +3697,68 @@ handle_rxa_queue_stats_reset(const char *cmd
> __rte_unused,
>       return ret;
>  }
> 
> +static int
> +handle_rxa_instance_get(const char *cmd __rte_unused,
> +                     const char *params,
> +                     struct rte_tel_data *d)
> +{
> +     uint8_t instance_id;
> +     uint16_t rx_queue_id;
> +     int eth_dev_id, ret = -1;
> +     char *token, *l_params;
> +
> +     if (params == NULL || strlen(params) == 0 || !isdigit(*params))
> +             return -1;
> +
> +     l_params = strdup(params);
> +     if (l_params == NULL)
> +             return -ENOMEM;
> +     token = strtok(l_params, ",");
> +
>       RTE_EVENT_ETH_RX_ADAPTER_TOKEN_VALID_OR_GOTO_ERR_RET(
> token, -1);
> +
> +     /* Get device ID from parameter string */
> +     eth_dev_id = strtoul(token, NULL, 10);
> +     RTE_ETH_VALID_PORTID_OR_GOTO_ERR_RET(eth_dev_id, -
> EINVAL);
> +
> +     token = strtok(NULL, ",");
> +
>       RTE_EVENT_ETH_RX_ADAPTER_TOKEN_VALID_OR_GOTO_ERR_RET(
> token, -1);
> +
> +     /* Get Rx queue ID from parameter string */
> +     rx_queue_id = strtoul(token, NULL, 10);
> +     if (rx_queue_id >= rte_eth_devices[eth_dev_id].data-
> >nb_rx_queues) {
> +             RTE_EDEV_LOG_ERR("Invalid rx queue_id %u",
> rx_queue_id);
> +             ret = -EINVAL;
> +             goto error;
> +     }
> +
> +     token = strtok(NULL, "\0");
> +     if (token != NULL)
> +             RTE_EDEV_LOG_ERR("Extra parameters passed to eventdev"
> +                              " telemetry command, ignoring");
> +
> +     /* Parsing parameter finished */
> +     free(l_params);
> +
> +     if (rte_event_eth_rx_adapter_instance_get(eth_dev_id,
> +                                               rx_queue_id,
> +                                               &instance_id)) {
> +             RTE_EDEV_LOG_ERR("Failed to get RX adapter instance ID "
> +                              " for rx_queue_id = %d", rx_queue_id);
> +             return -1;
> +     }
> +
> +     rte_tel_data_start_dict(d);
> +     rte_tel_data_add_dict_u64(d, "eth_dev_id", eth_dev_id);
> +     rte_tel_data_add_dict_u64(d, "rx_queue_id", rx_queue_id);
> +     rte_tel_data_add_dict_u64(d, "rxa_instance_id", instance_id);
> +
> +     return 0;
> +
> +error:
> +     free(l_params);
> +     return ret;
> +}
> +
>  RTE_INIT(rxa_init_telemetry)
>  {
>       rte_telemetry_register_cmd("/eventdev/rxa_stats",
> @@ -3575,4 +3780,8 @@ RTE_INIT(rxa_init_telemetry)
>       rte_telemetry_register_cmd("/eventdev/rxa_queue_stats_reset",
>               handle_rxa_queue_stats_reset,
>               "Reset Rx queue stats. Parameter: rxa_id, dev_id,
> queue_id");
> +
> +     rte_telemetry_register_cmd("/eventdev/rxa_rxq_instance_get",
> +             handle_rxa_instance_get,
> +             "Returns Rx adapter instance id. Parameter: dev_id,
> queue_id");
>  }
> diff --git a/lib/eventdev/rte_event_eth_rx_adapter.h
> b/lib/eventdev/rte_event_eth_rx_adapter.h
> index 3608a7b..f56938d 100644
> --- a/lib/eventdev/rte_event_eth_rx_adapter.h
> +++ b/lib/eventdev/rte_event_eth_rx_adapter.h
> @@ -38,6 +38,7 @@
>   *  - rte_event_eth_rx_adapter_queue_stats_get()
>   *  - rte_event_eth_rx_adapter_queue_stats_reset()
>   *  - rte_event_eth_rx_adapter_event_port_get()
> + *  - rte_event_eth_rx_adapter_instance_get()
>   *
>   * The application creates an ethernet to event adapter using
>   * rte_event_eth_rx_adapter_create_ext() or
> rte_event_eth_rx_adapter_create() @@ -704,6 +705,28 @@
> __rte_experimental  int
> rte_event_eth_rx_adapter_event_port_get(uint8_t id, uint8_t
> *event_port_id);
> 
> +/**
> + * Get RX adapter instance ID for a RX queue
> + *
> + * @param eth_dev_id
> + *  Port identifier of Ethernet device.
> + *
> + * @param rx_queue_id
> + *  Ethernet device receive queue index
> + *
> + * @param[out] rxa_inst_id
> + *  RX adapter instance identifier.

It is a pointer to store RX adapter instance identifier

> + *
> + * @return
> + *  - 0: Success
> + *  - <0: Error code on failure
> + */
> +__rte_experimental
> +int
> +rte_event_eth_rx_adapter_instance_get(uint16_t eth_dev_id,
> +                                   uint16_t rx_queue_id,
> +                                   uint8_t *rxa_inst_id);
> +
>  #ifdef __cplusplus
>  }
>  #endif
> diff --git a/lib/eventdev/rte_event_eth_tx_adapter.c
> b/lib/eventdev/rte_event_eth_tx_adapter.c
> index 1b304f0..d9de6e5 100644
> --- a/lib/eventdev/rte_event_eth_tx_adapter.c
> +++ b/lib/eventdev/rte_event_eth_tx_adapter.c
> @@ -1,6 +1,8 @@
>  /* SPDX-License-Identifier: BSD-3-Clause
>   * Copyright(c) 2018 Intel Corporation.
>   */
> +#include <limits.h>
> +
>  #include <rte_spinlock.h>
>  #include <rte_service_component.h>
>  #include <ethdev_driver.h>
> @@ -17,6 +19,11 @@
>  #define TXA_MAX_NB_TX                128
>  #define TXA_INVALID_DEV_ID   INT32_C(-1)
>  #define TXA_INVALID_SERVICE_ID       INT64_C(-1)
> +#define INVALID_INSTANCE_ID  UINT8_MAX
> +
> +#define TXA_ADAPTER_ARRAY "txa_adapter_array"
> +#define TXA_SERVICE_DATA_ARRAY "txa_service_data_array"
> +#define TXA_ADAPTER_INSTANCE_ARRAY "txa_adapter_instance_array"
> 
>  #define txa_evdev(id) (&rte_eventdevs[txa_dev_id_array[(id)]])
> 
> @@ -140,6 +147,10 @@ struct txa_service_ethdev {
>       void *queues;
>  };
> 
> +struct event_eth_txa_inst_info {
> +     uint8_t txa_inst_id;
> +};
> +
>  /* Array of adapter instances, initialized with event device id
>   * when adapter is created
>   */
> @@ -148,6 +159,9 @@ static int *txa_dev_id_array;
>  /* Array of pointers to service implementation data */  static struct
> txa_service_data **txa_service_data_array;
> 
> +/* array of adapter instances to store tx queue specific instance */
> +static struct event_eth_txa_inst_info **event_eth_txa_inst_info;
> +
>  static int32_t txa_service_func(void *args);  static int
> txa_service_adapter_create_ext(uint8_t id,
>                       struct rte_eventdev *dev,
> @@ -194,12 +208,42 @@ txa_memzone_array_get(const char *name,
> unsigned int elt_size, int nb_elems)  }
> 
>  static int
> +txa_memzone_lookup(void)
> +{
> +     const struct rte_memzone *mz;
> +
> +     if (txa_dev_id_array == NULL) {
> +             mz = rte_memzone_lookup(TXA_ADAPTER_ARRAY);
> +             if (mz == NULL)
> +                     return -ENOMEM;
> +             txa_dev_id_array = mz->addr;
> +     }
> +
> +     if (txa_service_data_array == NULL) {
> +             mz = rte_memzone_lookup(TXA_SERVICE_DATA_ARRAY);
> +             if (mz == NULL)
> +                     return -ENOMEM;
> +             txa_service_data_array = mz->addr;
> +     }
> +
> +     if (event_eth_txa_inst_info == NULL) {
> +             mz =
> rte_memzone_lookup(TXA_ADAPTER_INSTANCE_ARRAY);
> +             if (mz == NULL)
> +                     return -ENOMEM;
> +             event_eth_txa_inst_info = mz->addr;
> +     }
> +
> +     return 0;
> +}
> +
> +
> +static int
>  txa_dev_id_array_init(void)
>  {
>       if (txa_dev_id_array == NULL) {
>               int i;
> 
> -             txa_dev_id_array =
> txa_memzone_array_get("txa_adapter_array",
> +             txa_dev_id_array =
> txa_memzone_array_get(TXA_ADAPTER_ARRAY,
>                                       sizeof(int),
> 
>       RTE_EVENT_ETH_TX_ADAPTER_MAX_INSTANCE);
>               if (txa_dev_id_array == NULL)
> @@ -221,15 +265,30 @@ txa_init(void)
>  static int
>  txa_service_data_init(void)
>  {
> +     uint8_t i;
> +
>       if (txa_service_data_array == NULL) {
>               txa_service_data_array =
> -
>       txa_memzone_array_get("txa_service_data_array",
> +
>       txa_memzone_array_get(TXA_SERVICE_DATA_ARRAY,
>                                       sizeof(int),
> 
>       RTE_EVENT_ETH_TX_ADAPTER_MAX_INSTANCE);
>               if (txa_service_data_array == NULL)
>                       return -ENOMEM;
>       }
> 
> +     if (event_eth_txa_inst_info == NULL) {
> +             event_eth_txa_inst_info =
> +
>       txa_memzone_array_get(TXA_ADAPTER_INSTANCE_ARRAY,
> +                                           sizeof(*event_eth_txa_inst_info),
> +                                           RTE_MAX_ETHPORTS);
> +             if (event_eth_txa_inst_info == NULL)
> +                     return -ENOMEM;
> +     }
> +
> +     /* Reset the txa instance pointers */
> +     for (i = 0; i < RTE_MAX_ETHPORTS; i++)
> +             event_eth_txa_inst_info[i] = NULL;
> +
>       return 0;
>  }
> 
> @@ -763,6 +822,7 @@ txa_service_queue_add(uint8_t id,
>       struct rte_eth_dev_tx_buffer *tb;
>       struct txa_retry *txa_retry;
>       int ret = 0;
> +     uint16_t eth_dev_id = eth_dev->data->port_id;
> 
>       txa = txa_service_id_to_data(id);
> 
> @@ -831,6 +891,31 @@ txa_service_queue_add(uint8_t id,
>       rte_eth_tx_buffer_set_err_callback(tb,
>               txa_service_buffer_retry, txa_retry);
> 
> +     /* Allocate storage to store txa_inst_id for txq */
> +     if (event_eth_txa_inst_info[eth_dev_id] == NULL) {
> +             uint16_t n, i;
> +             struct event_eth_txa_inst_info *i_info;
> +
> +             n = eth_dev->data->nb_tx_queues;
> +
> +             i_info = rte_zmalloc_socket("event_eth_txa_inst_info",
> +                                     n * sizeof(event_eth_txa_inst_info),
> +                                     0,
> +                                     txa->socket_id);
> +             if (i_info == NULL) {
> +                     RTE_EDEV_LOG_ERR("Failed to allocate storage for "
> +                                      "event_eth_txa_inst_info");
> +                     goto err_unlock;
> +             }
> +
> +             for (i = 0; i < n; i++)
> +                     i_info[i].txa_inst_id = INVALID_INSTANCE_ID;
> +
> +             event_eth_txa_inst_info[eth_dev_id] = i_info;
> +     }
> +
> +     event_eth_txa_inst_info[eth_dev_id][tx_queue_id].txa_inst_id =
> id;
> +
>       tqi->tx_buf = tb;
>       tqi->added = 1;
>       tdi->nb_queues++;
> @@ -902,6 +987,12 @@ txa_service_queue_del(uint8_t id,
>       txa->nb_queues--;
>       txa->txa_ethdev[port_id].nb_queues--;
> 
> +     /* unset txa_inst_id for tx_queue_id */
> +     if (event_eth_txa_inst_info[port_id])
> +             event_eth_txa_inst_info[port_id][tx_queue_id].txa_inst_id
> =
> +
>       INVALID_INSTANCE_ID;
> +
> +
>       txa_service_queue_array_free(txa, port_id);
>       return 0;
>  }
> @@ -1056,6 +1147,10 @@ int
>  rte_event_eth_tx_adapter_free(uint8_t id)  {
>       int ret;
> +     uint16_t eth_dev_id;
> +
> +     if (txa_memzone_lookup())
> +             return -ENOMEM;
> 
>       TXA_CHECK_OR_ERR_RET(id);
> 
> @@ -1067,6 +1162,13 @@ rte_event_eth_tx_adapter_free(uint8_t id)
>               ret = txa_service_adapter_free(id);
>       txa_dev_id_array[id] = TXA_INVALID_DEV_ID;
> 
> +     for (eth_dev_id = 0; eth_dev_id < RTE_MAX_ETHPORTS;
> eth_dev_id++) {
> +             if (event_eth_txa_inst_info[eth_dev_id]) {
> +                     rte_free(event_eth_txa_inst_info[eth_dev_id]);
> +                     event_eth_txa_inst_info[eth_dev_id] = NULL;
> +             }
> +     }
> +
>       rte_eventdev_trace_eth_tx_adapter_free(id, ret);
>       return ret;
>  }
> @@ -1080,6 +1182,9 @@ rte_event_eth_tx_adapter_queue_add(uint8_t id,
>       int ret;
>       uint32_t caps;
> 
> +     if (txa_memzone_lookup())
> +             return -ENOMEM;
> +
>       RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
>       TXA_CHECK_OR_ERR_RET(id);
> 
> @@ -1113,6 +1218,9 @@ rte_event_eth_tx_adapter_queue_del(uint8_t id,
>       int ret;
>       uint32_t caps;
> 
> +     if (txa_memzone_lookup())
> +             return -ENOMEM;
> +
>       RTE_ETH_VALID_PORTID_OR_ERR_RET(eth_dev_id, -EINVAL);
>       TXA_CHECK_OR_ERR_RET(id);
> 
> @@ -1218,3 +1326,46 @@ rte_event_eth_tx_adapter_stop(uint8_t id)
>       rte_eventdev_trace_eth_tx_adapter_stop(id, ret);
>       return ret;
>  }
> +
> +int
> +rte_event_eth_tx_adapter_instance_get(uint16_t eth_dev_id,
> +                                   uint16_t tx_queue_id,
> +                                   uint8_t *txa_inst_id)

Indent

> +{
> +     uint8_t inst_id;
> +
> +     if (txa_memzone_lookup())
> +             return -ENOMEM;
> +
> +     if (eth_dev_id >= rte_eth_dev_count_avail()) {
> +             RTE_EDEV_LOG_ERR("Invalid ethernet port id %u",
> eth_dev_id);
> +             return -EINVAL;
> +     }
> +
> +     if (tx_queue_id >= rte_eth_devices[eth_dev_id].data-
> >nb_tx_queues) {
> +             RTE_EDEV_LOG_ERR("Invalid tx queue id %u", tx_queue_id);
> +             return -EINVAL;
> +     }
> +
> +     if (txa_inst_id == NULL) {
> +             RTE_EDEV_LOG_ERR("txa_instance_id cannot be NULL");
> +             return -EINVAL;
> +     }
> +
> +     if (event_eth_txa_inst_info[eth_dev_id] == NULL) {
> +             RTE_EDEV_LOG_ERR("No valid txa instance for eth_dev_id
> %d",
> +                              eth_dev_id);
> +             return -EINVAL;
> +     }
> +
> +     inst_id =
> event_eth_txa_inst_info[eth_dev_id][tx_queue_id].txa_inst_id;
> +     if (inst_id == INVALID_INSTANCE_ID) {
> +             RTE_EDEV_LOG_ERR("Invalid txa instance for eth_dev_id
> %u, "
> +                              "tx_queue_id %u", eth_dev_id,
> tx_queue_id);
> +             return -EINVAL;
> +     }
> +
> +     *txa_inst_id = inst_id;
> +
> +     return 0;
> +}
> diff --git a/lib/eventdev/rte_event_eth_tx_adapter.h
> b/lib/eventdev/rte_event_eth_tx_adapter.h
> index 3908c2d..28f4fa9 100644
> --- a/lib/eventdev/rte_event_eth_tx_adapter.h
> +++ b/lib/eventdev/rte_event_eth_tx_adapter.h
> @@ -34,6 +34,7 @@
>   *  - rte_event_eth_tx_adapter_enqueue()
>   *  - rte_event_eth_tx_adapter_event_port_get()
>   *  - rte_event_eth_tx_adapter_service_id_get()
> + *  - rte_event_eth_tx_adapter_instance_get()
>   *
>   * The application creates the adapter using
>   * rte_event_eth_tx_adapter_create() or
> rte_event_eth_tx_adapter_create_ext().
> @@ -423,6 +424,24 @@ rte_event_eth_tx_adapter_stats_reset(uint8_t id);
> int  rte_event_eth_tx_adapter_service_id_get(uint8_t id, uint32_t
> *service_id);
> 
> +/**
> + * Get TX adapter instance id for TX queue
> + *
> + * @param eth_dev_id
> + *  Port identifier of Ethernet device
> + *
> + * @param tx_queue_id
> + *  Etherdev device TX queue index
> + *
> + * @param[out] txa_inst_id
> + *  Pointer to TX adapter instance identifier  */ __rte_experimental
> +int rte_event_eth_tx_adapter_instance_get(uint16_t eth_dev_id,
> +                                   uint16_t tx_queue_id,
> +                                   uint8_t *txa_inst_id);

Indent

> +
>  #ifdef __cplusplus
>  }
>  #endif
> diff --git a/lib/eventdev/version.map b/lib/eventdev/version.map index
> 886e2ec..1c99d52 100644
> --- a/lib/eventdev/version.map
> +++ b/lib/eventdev/version.map
> @@ -102,9 +102,11 @@ EXPERIMENTAL {
> 
>       # added in 21.11
>       rte_event_eth_rx_adapter_create_with_params;
> +     rte_event_eth_rx_adapter_instance_get;
>       rte_event_eth_rx_adapter_queue_conf_get;
>       rte_event_eth_rx_adapter_queue_stats_get;
>       rte_event_eth_rx_adapter_queue_stats_reset;
> +     rte_event_eth_tx_adapter_instance_get;
> 
>       # added in 22.03
>       rte_event_eth_rx_adapter_event_port_get;
> --
> 2.6.4

Reply via email to