[PATCH v10 2/7] bbdev: add device status info

[Nicolas Chautru]

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 at intel.com>
Acked-by: Mingshan Zhang <mingshan.zhang at intel.com>
Acked-by: Hemant Agrawal <hemant.agrawal at nxp.com>
---
 drivers/baseband/acc100/rte_acc100_pmd.c      |  1 +
 .../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 +
 .../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 de7e4bcef4..17ba7981a1 100644
--- a/drivers/baseband/acc100/rte_acc100_pmd.c
+++ b/drivers/baseband/acc100/rte_acc100_pmd.c
@@ -1060,6 +1060,7 @@ acc100_dev_info_get(struct rte_bbdev *dev,
 
 	/* 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 82ae6ba678..57b12af93e 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 @@ fpga_dev_info_get(struct rte_bbdev *dev,
 	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 21d35292a3..2a330c4ae2 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 @@ fpga_dev_info_get(struct rte_bbdev *dev,
 	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 4d1bd16751..c1f88c65b8 100644
--- a/drivers/baseband/la12xx/bbdev_la12xx.c
+++ b/drivers/baseband/la12xx/bbdev_la12xx.c
@@ -100,6 +100,7 @@ la12xx_info_get(struct rte_bbdev *dev __rte_unused,
 	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 248e12987f..94a1976196 100644
--- a/drivers/baseband/null/bbdev_null.c
+++ b/drivers/baseband/null/bbdev_null.c
@@ -82,6 +82,7 @@ info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
 	 * 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 af7bc416f9..dbc5524f94 100644
--- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c
+++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
@@ -254,6 +254,7 @@ info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
 	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 4da80472a8..38630a23f8 100644
--- a/lib/bbdev/rte_bbdev.c
+++ b/lib/bbdev/rte_bbdev.c
@@ -1133,3 +1133,25 @@ rte_bbdev_op_type_str(enum rte_bbdev_op_type op_type)
 	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 b88c88167e..5ba7a61ded 100644
--- a/lib/bbdev/rte_bbdev.h
+++ b/lib/bbdev/rte_bbdev.h
@@ -223,6 +223,21 @@ rte_bbdev_queue_start(uint16_t dev_id, uint16_t queue_id);
 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 */
@@ -284,10 +299,12 @@ struct rte_bbdev_driver_info {
 	uint8_t max_ul_queue_priority;
 	/** Set if device supports per-queue interrupts */
 	bool queue_intr_supported;
-	/** Minimum alignment of buffers, in bytes */
-	uint16_t min_alignment;
+	/** Device Status */
+	enum rte_bbdev_device_status device_status;
 	/** HARQ memory available in kB */
 	uint32_t harq_buffer_size;
+	/** Minimum alignment of buffers, in bytes */
+	uint16_t min_alignment;
 	/** Byte endianness (RTE_BIG_ENDIAN/RTE_LITTLE_ENDIAN) supported
 	 *  for input/output data
 	 */
@@ -827,6 +844,20 @@ int
 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 cce3f3c8f5..f0a072ea00 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;
+};
-- 
2.37.1