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[24.205.208.113]) by smtp.gmail.com with ESMTPSA id g11-20020ac8480b000000b003051ba1f8bcsm23874303qtq.15.2022.07.06.08.38.41 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 06 Jul 2022 08:38:43 -0700 (PDT) Subject: Re: [PATCH v4 2/7] bbdev: add device status info To: Nicolas Chautru , dev@dpdk.org, thomas@monjalon.net, gakhil@marvell.com, hemant.agrawal@nxp.com Cc: maxime.coquelin@redhat.com, mdr@ashroe.eu, bruce.richardson@intel.com, david.marchand@redhat.com, stephen@networkplumber.org References: <1655491040-183649-6-git-send-email-nicolas.chautru@intel.com> <1657067022-54373-1-git-send-email-nicolas.chautru@intel.com> <1657067022-54373-3-git-send-email-nicolas.chautru@intel.com> From: Tom Rix Message-ID: Date: Wed, 6 Jul 2022 08:38:40 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.1 MIME-Version: 1.0 In-Reply-To: <1657067022-54373-3-git-send-email-nicolas.chautru@intel.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=trix@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Content-Language: en-US X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org On 7/5/22 5:23 PM, Nicolas Chautru wrote: > Added device status information, so that the PMD can > expose information related to the underlying accelerator device status. > Minor order change in structure to fit into padding hole. > > Signed-off-by: Nicolas Chautru > --- > drivers/baseband/acc100/rte_acc100_pmd.c | 1 + > drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c | 1 + > drivers/baseband/fpga_lte_fec/fpga_lte_fec.c | 1 + > drivers/baseband/la12xx/bbdev_la12xx.c | 1 + > drivers/baseband/null/bbdev_null.c | 1 + > drivers/baseband/turbo_sw/bbdev_turbo_software.c | 1 + > lib/bbdev/rte_bbdev.c | 24 +++++++++++++++ > lib/bbdev/rte_bbdev.h | 35 ++++++++++++++++++++-- > lib/bbdev/version.map | 6 ++++ > 9 files changed, 69 insertions(+), 2 deletions(-) > > diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c > index de7e4bc..17ba798 100644 > --- a/drivers/baseband/acc100/rte_acc100_pmd.c > +++ b/drivers/baseband/acc100/rte_acc100_pmd.c > @@ -1060,6 +1060,7 @@ > > /* Read and save the populated config from ACC100 registers */ > fetch_acc100_config(dev); > + dev_info->device_status = RTE_BBDEV_DEV_NOT_SUPPORTED; > > /* This isn't ideal because it reports the maximum number of queues but > * does not provide info on how many can be uplink/downlink or different > diff --git a/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c b/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c > index 82ae6ba..57b12af 100644 > --- a/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c > +++ b/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c > @@ -369,6 +369,7 @@ > dev_info->capabilities = bbdev_capabilities; > dev_info->cpu_flag_reqs = NULL; > dev_info->data_endianness = RTE_LITTLE_ENDIAN; > + dev_info->device_status = RTE_BBDEV_DEV_NOT_SUPPORTED; > > /* Calculates number of queues assigned to device */ > dev_info->max_num_queues = 0; > diff --git a/drivers/baseband/fpga_lte_fec/fpga_lte_fec.c b/drivers/baseband/fpga_lte_fec/fpga_lte_fec.c > index 21d3529..2a330c4 100644 > --- a/drivers/baseband/fpga_lte_fec/fpga_lte_fec.c > +++ b/drivers/baseband/fpga_lte_fec/fpga_lte_fec.c > @@ -645,6 +645,7 @@ struct __rte_cache_aligned fpga_queue { > dev_info->capabilities = bbdev_capabilities; > dev_info->cpu_flag_reqs = NULL; > dev_info->data_endianness = RTE_LITTLE_ENDIAN; > + dev_info->device_status = RTE_BBDEV_DEV_NOT_SUPPORTED; > > /* Calculates number of queues assigned to device */ > dev_info->max_num_queues = 0; > diff --git a/drivers/baseband/la12xx/bbdev_la12xx.c b/drivers/baseband/la12xx/bbdev_la12xx.c > index 4d1bd16..c1f88c6 100644 > --- a/drivers/baseband/la12xx/bbdev_la12xx.c > +++ b/drivers/baseband/la12xx/bbdev_la12xx.c > @@ -100,6 +100,7 @@ struct bbdev_la12xx_params { > dev_info->capabilities = bbdev_capabilities; > dev_info->cpu_flag_reqs = NULL; > dev_info->min_alignment = 64; > + dev_info->device_status = RTE_BBDEV_DEV_NOT_SUPPORTED; > > rte_bbdev_log_debug("got device info from %u", dev->data->dev_id); > } > diff --git a/drivers/baseband/null/bbdev_null.c b/drivers/baseband/null/bbdev_null.c > index 248e129..94a1976 100644 > --- a/drivers/baseband/null/bbdev_null.c > +++ b/drivers/baseband/null/bbdev_null.c > @@ -82,6 +82,7 @@ struct bbdev_queue { > * here for code completeness. > */ > dev_info->data_endianness = RTE_LITTLE_ENDIAN; > + dev_info->device_status = RTE_BBDEV_DEV_NOT_SUPPORTED; > > rte_bbdev_log_debug("got device info from %u", dev->data->dev_id); > } > diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c b/drivers/baseband/turbo_sw/bbdev_turbo_software.c > index af7bc41..dbc5524 100644 > --- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c > +++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c > @@ -254,6 +254,7 @@ struct turbo_sw_queue { > dev_info->min_alignment = 64; > dev_info->harq_buffer_size = 0; > dev_info->data_endianness = RTE_LITTLE_ENDIAN; > + dev_info->device_status = RTE_BBDEV_DEV_NOT_SUPPORTED; > > rte_bbdev_log_debug("got device info from %u\n", dev->data->dev_id); > } > diff --git a/lib/bbdev/rte_bbdev.c b/lib/bbdev/rte_bbdev.c > index 22bd894..555bda9 100644 > --- a/lib/bbdev/rte_bbdev.c > +++ b/lib/bbdev/rte_bbdev.c > @@ -25,6 +25,8 @@ > > /* Number of supported operation types */ > #define BBDEV_OP_TYPE_COUNT 5 > +/* Number of supported device status */ > +#define BBDEV_DEV_STATUS_COUNT 9 > > /* BBDev library logging ID */ > RTE_LOG_REGISTER_DEFAULT(bbdev_logtype, NOTICE); > @@ -1132,3 +1134,25 @@ struct rte_mempool * > rte_bbdev_log(ERR, "Invalid operation type"); > return NULL; > } > + > +const char * > +rte_bbdev_device_status_str(enum rte_bbdev_device_status status) > +{ > + static const char * const dev_sta_string[] = { > + "RTE_BBDEV_DEV_NOSTATUS", > + "RTE_BBDEV_DEV_NOT_SUPPORTED", > + "RTE_BBDEV_DEV_RESET", > + "RTE_BBDEV_DEV_CONFIGURED", > + "RTE_BBDEV_DEV_ACTIVE", > + "RTE_BBDEV_DEV_FATAL_ERR", > + "RTE_BBDEV_DEV_RESTART_REQ", > + "RTE_BBDEV_DEV_RECONFIG_REQ", > + "RTE_BBDEV_DEV_CORRECT_ERR", > + }; > + > + if (status < BBDEV_DEV_STATUS_COUNT) > + return dev_sta_string[status]; > + > + rte_bbdev_log(ERR, "Invalid device status"); > + return NULL; > +} > diff --git a/lib/bbdev/rte_bbdev.h b/lib/bbdev/rte_bbdev.h > index b88c881..9b1ffa4 100644 > --- a/lib/bbdev/rte_bbdev.h > +++ b/lib/bbdev/rte_bbdev.h > @@ -223,6 +223,21 @@ struct rte_bbdev_queue_conf { > int > rte_bbdev_queue_stop(uint16_t dev_id, uint16_t queue_id); > > +/** > + * Flags indicate the status of the device > + */ > +enum rte_bbdev_device_status { > + RTE_BBDEV_DEV_NOSTATUS, /**< Nothing being reported */ > + RTE_BBDEV_DEV_NOT_SUPPORTED, /**< Device status is not supported on the PMD */ If this was 0, you may not need to explicitly set. > + RTE_BBDEV_DEV_RESET, /**< Device in reset and un-configured state */ > + RTE_BBDEV_DEV_CONFIGURED, /**< Device is configured and ready to use */ > + RTE_BBDEV_DEV_ACTIVE, /**< Device is configured and VF is being used */ > + RTE_BBDEV_DEV_FATAL_ERR, /**< Device has hit a fatal uncorrectable error */ > + RTE_BBDEV_DEV_RESTART_REQ, /**< Device requires application to restart */ > + RTE_BBDEV_DEV_RECONFIG_REQ, /**< Device requires application to reconfigure queues */ > + RTE_BBDEV_DEV_CORRECT_ERR, /**< Warning of a correctable error event happened */ Last patch was padded, do something consistent here. > +}; > + > /** Device statistics. */ > struct rte_bbdev_stats { > uint64_t enqueued_count; /**< Count of all operations enqueued */ > @@ -285,12 +300,14 @@ struct rte_bbdev_driver_info { > /** Set if device supports per-queue interrupts */ > bool queue_intr_supported; > /** Minimum alignment of buffers, in bytes */ > - uint16_t min_alignment; > - /** HARQ memory available in kB */ > + /** Device Status */ > + enum rte_bbdev_device_status device_status; New elements should be added to the end to improve backward compatibility. Tom > uint32_t harq_buffer_size; > /** Byte endianness (RTE_BIG_ENDIAN/RTE_LITTLE_ENDIAN) supported > * for input/output data > */ > + uint16_t min_alignment; > + /** HARQ memory available in kB */ > uint8_t data_endianness; > /** Default queue configuration used if none is supplied */ > struct rte_bbdev_queue_conf default_queue_conf; > @@ -827,6 +844,20 @@ typedef void (*rte_bbdev_cb_fn)(uint16_t dev_id, > rte_bbdev_queue_intr_ctl(uint16_t dev_id, uint16_t queue_id, int epfd, int op, > void *data); > > +/** > + * Converts device status from enum to string > + * > + * @param status > + * Device status as enum > + * > + * @returns > + * Operation type as string or NULL if op_type is invalid > + * > + */ > +__rte_experimental > +const char* > +rte_bbdev_device_status_str(enum rte_bbdev_device_status status); > + > #ifdef __cplusplus > } > #endif > diff --git a/lib/bbdev/version.map b/lib/bbdev/version.map > index cce3f3c..9ac3643 100644 > --- a/lib/bbdev/version.map > +++ b/lib/bbdev/version.map > @@ -39,3 +39,9 @@ DPDK_22 { > > local: *; > }; > + > +EXPERIMENTAL { > + global: > + > + rte_bbdev_device_status_str; > +};