[v9,1/8] bbdev: add device info related to data endianness assumption
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Commit Message
From: Nicolas Chautru <nicolas.chautru@intel.com>
Adding device information to capture explicitly the assumption
of the input/output data byte endianness being processed.
Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
---
doc/guides/rel_notes/release_21_11.rst | 1 +
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/turbo_sw/bbdev_turbo_software.c | 1 +
lib/bbdev/rte_bbdev.h | 8 ++++++++
6 files changed, 13 insertions(+)
@@ -187,6 +187,7 @@ API Changes
the crypto/security operation. This field will be used to communicate
events such as soft expiry with IPsec in lookaside mode.
+* bbdev: Added device info related to data byte endianness processing assumption.
ABI Changes
-----------
@@ -1088,6 +1088,7 @@ acc100_dev_info_get(struct rte_bbdev *dev,
#else
dev_info->harq_buffer_size = 0;
#endif
+ dev_info->data_endianness = RTE_BBDEV_LITTLE_ENDIAN;
acc100_check_ir(d);
}
@@ -372,6 +372,7 @@ fpga_dev_info_get(struct rte_bbdev *dev,
dev_info->default_queue_conf = default_queue_conf;
dev_info->capabilities = bbdev_capabilities;
dev_info->cpu_flag_reqs = NULL;
+ dev_info->data_endianness = RTE_BBDEV_LITTLE_ENDIAN;
/* Calculates number of queues assigned to device */
dev_info->max_num_queues = 0;
@@ -644,6 +644,7 @@ fpga_dev_info_get(struct rte_bbdev *dev,
dev_info->default_queue_conf = default_queue_conf;
dev_info->capabilities = bbdev_capabilities;
dev_info->cpu_flag_reqs = NULL;
+ dev_info->data_endianness = RTE_BBDEV_LITTLE_ENDIAN;
/* Calculates number of queues assigned to device */
dev_info->max_num_queues = 0;
@@ -251,6 +251,7 @@ info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
dev_info->capabilities = bbdev_capabilities;
dev_info->min_alignment = 64;
dev_info->harq_buffer_size = 0;
+ dev_info->data_endianness = RTE_BBDEV_LITTLE_ENDIAN;
rte_bbdev_log_debug("got device info from %u\n", dev->data->dev_id);
}
@@ -49,6 +49,12 @@ enum rte_bbdev_state {
RTE_BBDEV_INITIALIZED
};
+/** Definitions of device data byte endianness types */
+enum rte_bbdev_endianness {
+ RTE_BBDEV_BIG_ENDIAN, /**< Data with byte-endianness BE */
+ RTE_BBDEV_LITTLE_ENDIAN, /**< Data with byte-endianness LE */
+};
+
/**
* Get the total number of devices that have been successfully initialised.
*
@@ -309,6 +315,8 @@ struct rte_bbdev_driver_info {
uint16_t min_alignment;
/** HARQ memory available in kB */
uint32_t harq_buffer_size;
+ /** Byte endianness assumption for input/output data */
+ enum rte_bbdev_endianness data_endianness;
/** Default queue configuration used if none is supplied */
struct rte_bbdev_queue_conf default_queue_conf;
/** Device operation capabilities */