Add in the "info_get" function to the driver, to allow us to query the
device.
No capability are available yet.
Linking bbdev-test to support the PMD with null capability.
Signed-off-by: Nicolas Chautru <nicolas.chau...@intel.com>
---
app/test-bbdev/Makefile | 3 ++
app/test-bbdev/meson.build | 3 ++
drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c | 62 ++++++++++++++++++++++
3 files changed, 68 insertions(+)
diff --git a/app/test-bbdev/Makefile b/app/test-bbdev/Makefile
index c53982f..e951302 100644
--- a/app/test-bbdev/Makefile
+++ b/app/test-bbdev/Makefile
@@ -24,5 +24,8 @@ LDLIBS += -lm
ifeq ($(CONFIG_RTE_LIBRTE_PMD_BBDEV_FPGA_LTE_FEC),y)
LDLIBS += -lrte_pmd_bbdev_fpga_lte_fec
endif
+ifeq ($(CONFIG_RTE_LIBRTE_PMD_BBDEV_FPGA_5GNR_FEC),y)
+LDLIBS += -lrte_pmd_bbdev_fpga_5gnr_fec
+endif
include $(RTE_SDK)/mk/rte.app.mk
diff --git a/app/test-bbdev/meson.build b/app/test-bbdev/meson.build
index 4f53a2e..e57e019 100644
--- a/app/test-bbdev/meson.build
+++ b/app/test-bbdev/meson.build
@@ -10,3 +10,6 @@ deps += ['bbdev', 'bus_vdev']
if dpdk_conf.has('RTE_LIBRTE_PMD_BBDEV_FPGA_LTE_FEC')
deps += ['pmd_bbdev_fpga_lte_fec']
endif
+if dpdk_conf.has('RTE_LIBRTE_PMD_BBDEV_FPGA_5GNR_FEC')
+ deps += ['pmd_bbdev_fpga_5gnr_fec']
+endif
\ No newline at end of file
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 ee9577d..595107e 100644
--- a/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c
+++ b/drivers/baseband/fpga_5gnr_fec/rte_fpga_5gnr_fec.c
@@ -22,14 +22,76 @@
/* 5GNR SW PMD logging ID */
static int fpga_5gnr_fec_logtype;
+/* Read a register of FPGA 5GNR FEC device */
+static uint32_t
+fpga_reg_read_32(void *mmio_base, uint32_t offset)
+{
+ void *reg_addr = RTE_PTR_ADD(mmio_base, offset);
+ uint32_t ret = *((volatile uint32_t *)(reg_addr));
+ return rte_le_to_cpu_32(ret);
+}
+
static int
fpga_dev_close(struct rte_bbdev *dev __rte_unused)
{
return 0;
}
+static void
+fpga_dev_info_get(struct rte_bbdev *dev,
+ struct rte_bbdev_driver_info *dev_info)
+{
+ struct fpga_5gnr_fec_device *d = dev->data->dev_private;
+ uint32_t q_id = 0;
+
+ static const struct rte_bbdev_op_cap bbdev_capabilities[] = {
+ RTE_BBDEV_END_OF_CAPABILITIES_LIST()
+ };
+
+ /* Check the HARQ DDR size available */
+ uint8_t timeout_counter = 0;
+ uint32_t harq_buf_ready = fpga_reg_read_32(d->mmio_base,
+ FPGA_5GNR_FEC_HARQ_BUF_SIZE_RDY_REGS);
+ while (harq_buf_ready != 1) {
+ usleep(FPGA_TIMEOUT_CHECK_INTERVAL);
+ timeout_counter++;
+ harq_buf_ready = fpga_reg_read_32(d->mmio_base,
+ FPGA_5GNR_FEC_HARQ_BUF_SIZE_RDY_REGS);
+ if (timeout_counter > FPGA_HARQ_RDY_TIMEOUT) {
+ rte_bbdev_log(ERR, "HARQ Buffer not ready %d",
+ harq_buf_ready);
+ harq_buf_ready = 1;
+ }
+ }
+ uint32_t harq_buf_size = fpga_reg_read_32(d->mmio_base,
+ FPGA_5GNR_FEC_HARQ_BUF_SIZE_REGS);
+
+ static struct rte_bbdev_queue_conf default_queue_conf;
+ default_queue_conf.socket = dev->data->socket_id;
+ default_queue_conf.queue_size = FPGA_RING_MAX_SIZE;
+
+ dev_info->driver_name = dev->device->driver->name;
+ dev_info->queue_size_lim = FPGA_RING_MAX_SIZE;
+ dev_info->hardware_accelerated = true;
+ dev_info->min_alignment = 64;
+ dev_info->harq_buffer_size = (harq_buf_size >> 10) + 1;
+ dev_info->default_queue_conf = default_queue_conf;
+ dev_info->capabilities = bbdev_capabilities;
+ dev_info->cpu_flag_reqs = NULL;
+
+ /* Calculates number of queues assigned to device */
+ dev_info->max_num_queues = 0;
+ for (q_id = 0; q_id < FPGA_TOTAL_NUM_QUEUES; ++q_id) {
+ uint32_t hw_q_id = fpga_reg_read_32(d->mmio_base,
+ FPGA_5GNR_FEC_QUEUE_MAP + (q_id << 2));
+ if (hw_q_id != FPGA_INVALID_HW_QUEUE_ID)
+ dev_info->max_num_queues++;
+ }
+}
+
static const struct rte_bbdev_ops fpga_ops = {
.close = fpga_dev_close,
+ .info_get = fpga_dev_info_get,
};
/* Initialization Function */
--
1.8.3.1
