[dpdk-dev] [PATCH v9 1/8] bbdev: add device info related to data endianness assumption
From: <hidden>
Date: 2021-10-07 09:33:25
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
From: Nicolas Chautru <redacted> Adding device information to capture explicitly the assumption of the input/output data byte endianness being processed. Signed-off-by: Nicolas Chautru <redacted> --- 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(+)
diff --git a/doc/guides/rel_notes/release_21_11.rst b/doc/guides/rel_notes/release_21_11.rst
index dfc2cbdeed..a991f01bf3 100644
--- a/doc/guides/rel_notes/release_21_11.rst
+++ b/doc/guides/rel_notes/release_21_11.rst@@ -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 -----------
diff --git a/drivers/baseband/acc100/rte_acc100_pmd.c b/drivers/baseband/acc100/rte_acc100_pmd.c
index 68ba523ea9..5c3901c9ca 100644
--- a/drivers/baseband/acc100/rte_acc100_pmd.c
+++ b/drivers/baseband/acc100/rte_acc100_pmd.c@@ -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); }
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 6485cc824a..c7f15c0bfc 100644
--- a/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c
+++ b/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c@@ -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;
diff --git a/drivers/baseband/fpga_lte_fec/fpga_lte_fec.c b/drivers/baseband/fpga_lte_fec/fpga_lte_fec.c
index 350c4248eb..72e213ed9a 100644
--- a/drivers/baseband/fpga_lte_fec/fpga_lte_fec.c
+++ b/drivers/baseband/fpga_lte_fec/fpga_lte_fec.c@@ -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;
diff --git a/drivers/baseband/turbo_sw/bbdev_turbo_software.c b/drivers/baseband/turbo_sw/bbdev_turbo_software.c
index 77e9a2ecbc..193f701028 100644
--- a/drivers/baseband/turbo_sw/bbdev_turbo_software.c
+++ b/drivers/baseband/turbo_sw/bbdev_turbo_software.c@@ -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); }
diff --git a/lib/bbdev/rte_bbdev.h b/lib/bbdev/rte_bbdev.h
index 3ebf62e697..b3f30002cd 100644
--- a/lib/bbdev/rte_bbdev.h
+++ b/lib/bbdev/rte_bbdev.h@@ -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 */
--
2.17.1