This allows to expose the FFT window width being introduced in
previous commit based on what is configured dynamically on the
device platform.
Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/baseband/acc/acc_common.h | 5 ++++
drivers/baseband/acc/rte_vrb_pmd.c | 41 +++++++++++++++++++++++++-----
2 files changed, 40 insertions(+), 6 deletions(-)
@@ -131,6 +131,8 @@
#define ACC_LIM_31 20 /* 0.31 */
#define ACC_MAX_E (128 * 1024 - 2)
+#define ACC_MAX_FFT_WIN 16
+
/* Helper macro for logging */
#define rte_acc_log(level, fmt, ...) \
rte_log(RTE_LOG_ ## level, RTE_LOG_NOTICE, fmt "\n", \
@@ -512,6 +514,8 @@ struct acc_deq_intr_details {
enum {
ACC_VF2PF_STATUS_REQUEST = 1,
ACC_VF2PF_USING_VF = 2,
+ ACC_VF2PF_LUT_VER_REQUEST = 3,
+ ACC_VF2PF_FFT_WIN_REQUEST = 4,
};
@@ -558,6 +562,7 @@ struct acc_device {
queue_offset_fun_t queue_offset; /* Device specific queue offset */
uint16_t num_qgroups;
uint16_t num_aqs;
+ uint16_t fft_window_width[ACC_MAX_FFT_WIN]; /* FFT windowing size. */
};
/* Structure associated with each queue. */
@@ -183,6 +183,37 @@ vrb_check_device_enable(struct rte_bbdev *dev)
return false;
}
+static inline void
+vrb_vf2pf(struct acc_device *d, unsigned int payload)
+{
+ acc_reg_write(d, d->reg_addr->vf2pf_doorbell, payload);
+}
+
+/* Request device FFT windowing information. */
+static inline void
+vrb_device_fft_win(struct rte_bbdev *dev)
+{
+ struct acc_device *d = dev->data->dev_private;
+ uint32_t reg, time_out = 0, win;
+
+ if (d->pf_device)
+ return;
+
+ /* Check from the device the first time. */
+ if (d->fft_window_width[0] == 0) {
+ for (win = 0; win < ACC_MAX_FFT_WIN; win++) {
+ vrb_vf2pf(d, ACC_VF2PF_FFT_WIN_REQUEST | win);
+ reg = acc_reg_read(d, d->reg_addr->pf2vf_doorbell);
+ while ((time_out < ACC_STATUS_TO) && (reg == RTE_BBDEV_DEV_NOSTATUS)) {
+ usleep(ACC_STATUS_WAIT); /*< Wait or VF->PF->VF Comms. */
+ reg = acc_reg_read(d, d->reg_addr->pf2vf_doorbell);
+ time_out++;
+ }
+ d->fft_window_width[win] = reg;
+ }
+ }
+}
+
/* Fetch configuration enabled for the PF/VF using MMIO Read (slow). */
static inline void
fetch_acc_config(struct rte_bbdev *dev)
@@ -206,6 +237,8 @@ fetch_acc_config(struct rte_bbdev *dev)
return;
}
+ vrb_device_fft_win(dev);
+
d->ddr_size = 0;
/* Single VF Bundle by VF. */
@@ -271,12 +304,6 @@ fetch_acc_config(struct rte_bbdev *dev)
acc_conf->q_fft.aq_depth_log2);
}
-static inline void
-vrb_vf2pf(struct acc_device *d, unsigned int payload)
-{
- acc_reg_write(d, d->reg_addr->vf2pf_doorbell, payload);
-}
-
/* Request device status information. */
static inline uint32_t
vrb_device_status(struct rte_bbdev *dev)
@@ -1085,6 +1112,7 @@ vrb_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
.num_buffers_dst =
RTE_BBDEV_LDPC_MAX_CODE_BLOCKS,
+ .fft_windows_num = ACC_MAX_FFT_WIN,
}
},
RTE_BBDEV_END_OF_CAPABILITIES_LIST()
@@ -1100,6 +1128,7 @@ vrb_dev_info_get(struct rte_bbdev *dev, struct rte_bbdev_driver_info *dev_info)
fetch_acc_config(dev);
/* Check the status of device. */
dev_info->device_status = vrb_device_status(dev);
+ dev_info->fft_window_width = d->fft_window_width;
/* Exposed number of queues. */
dev_info->num_queues[RTE_BBDEV_OP_NONE] = 0;