[v7,2/7] bbdev: add device status info

Message ID 1661796438-204861-3-git-send-email-nicolas.chautru@intel.com (mailing list archive)
State Superseded, archived
Delegated to: akhil goyal
Headers
Series bbdev changes for 22.11 |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Chautru, Nicolas Aug. 29, 2022, 6:07 p.m. UTC
  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 <nicolas.chautru@intel.com>
---
 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                              | 22 ++++++++++++++
 lib/bbdev/rte_bbdev.h                              | 35 ++++++++++++++++++++--
 lib/bbdev/version.map                              |  7 +++++
 9 files changed, 68 insertions(+), 2 deletions(-)
  

Comments

Zhang, Mingshan Aug. 30, 2022, 2:19 a.m. UTC | #1
Acked-by: Mingshan Zhang <mingshan.zhang@intel.com>

> -----Original Message-----
> From: Chautru, Nicolas <nicolas.chautru@intel.com>
> Sent: Tuesday, August 30, 2022 2:07 AM
> To: dev@dpdk.org; thomas@monjalon.net; gakhil@marvell.com;
> hemant.agrawal@nxp.com
> Cc: maxime.coquelin@redhat.com; trix@redhat.com; mdr@ashroe.eu;
> Richardson, Bruce <bruce.richardson@intel.com>;
> david.marchand@redhat.com; stephen@networkplumber.org; Zhang,
> Mingshan <mingshan.zhang@intel.com>; Chautru, Nicolas
> <nicolas.chautru@intel.com>
> Subject: [PATCH v7 2/7] bbdev: add device status info
> 
> 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 <nicolas.chautru@intel.com>
> ---
>  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                              | 22 ++++++++++++++
>  lib/bbdev/rte_bbdev.h                              | 35 ++++++++++++++++++++--
>  lib/bbdev/version.map                              |  7 +++++
>  9 files changed, 68 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 4da8047..38630a2 100644
> --- a/lib/bbdev/rte_bbdev.c
> +++ b/lib/bbdev/rte_bbdev.c
> @@ -1133,3 +1133,25 @@ 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 < sizeof(dev_sta_string) / sizeof(char *))
> +		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 */
> +	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 */
> +};
> +
>  /** 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;
>  	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..f0a072e 100644
> --- a/lib/bbdev/version.map
> +++ b/lib/bbdev/version.map
> @@ -39,3 +39,10 @@ DPDK_22 {
> 
>  	local: *;
>  };
> +
> +EXPERIMENTAL {
> +	global:
> +
> +	# added in 22.11
> +	rte_bbdev_device_status_str;
> +};
> --
> 1.8.3.1
  
Hemant Agrawal Aug. 30, 2022, 4:43 a.m. UTC | #2
On 8/29/2022 11:37 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 <nicolas.chautru@intel.com>
Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
  
Akhil Goyal Sept. 21, 2022, 6:54 p.m. UTC | #3
>  /** 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;
>  	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 */

Wrong comment copied.

>  	uint8_t data_endianness;
>  	/** Default queue configuration used if none is supplied  */
>  	struct rte_bbdev_queue_conf default_queue_conf;
  
Chautru, Nicolas Sept. 21, 2022, 8:53 p.m. UTC | #4
Thanks Akhil. Fixing now in v3. 

> -----Original Message-----
> From: Akhil Goyal <gakhil@marvell.com>
> >  /** 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;
> >  	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 */
> 
> Wrong comment copied.
> 
> >  	uint8_t data_endianness;
> >  	/** Default queue configuration used if none is supplied  */
> >  	struct rte_bbdev_queue_conf default_queue_conf;
  

Patch

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 4da8047..38630a2 100644
--- a/lib/bbdev/rte_bbdev.c
+++ b/lib/bbdev/rte_bbdev.c
@@ -1133,3 +1133,25 @@  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 < sizeof(dev_sta_string) / sizeof(char *))
+		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 */
+	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 */
+};
+
 /** 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;
 	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..f0a072e 100644
--- a/lib/bbdev/version.map
+++ b/lib/bbdev/version.map
@@ -39,3 +39,10 @@  DPDK_22 {
 
 	local: *;
 };
+
+EXPERIMENTAL {
+	global:
+
+	# added in 22.11
+	rte_bbdev_device_status_str;
+};