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From: Nic Chautru <nicolas.chautru@intel.com>
To: dev@dpdk.org, thomas@monjalon.net, gakhil@marvell.com,
hemant.agrawal@nxp.com
Cc: maxime.coquelin@redhat.com, trix@redhat.com, mdr@ashroe.eu,
bruce.richardson@intel.com, david.marchand@redhat.com,
stephen@networkplumber.org, hernan.vargas@intel.com,
Nicolas Chautru <nicolas.chautru@intel.com>
Subject: [PATCH v2 10/11] baseband/acc200: add device status and vf2pf comms
Date: Sun, 11 Sep 2022 18:08:57 -0700
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From: Nicolas Chautru <nicolas.chautru@intel.com>
Add support to expose the device status seen from the
host through v2pf mailbox communication.
Signed-off-by: Nicolas Chautru <nicolas.chautru@intel.com>
---
drivers/baseband/acc200/rte_acc200_pmd.c | 61 +++++++++++++++++++++++---------
1 file changed, 44 insertions(+), 17 deletions(-)
diff --git a/drivers/baseband/acc200/rte_acc200_pmd.c b/drivers/baseband/acc200/rte_acc200_pmd.c
index 8fe5704..a969679 100644
--- a/drivers/baseband/acc200/rte_acc200_pmd.c
+++ b/drivers/baseband/acc200/rte_acc200_pmd.c
@@ -201,23 +201,47 @@
rte_bbdev_log_debug(
"%s Config LLR SIGN IN/OUT %s %s QG %u %u %u %u %u AQ %u %u %u %u %u Len %u %u %u %u %u\n",
(d->pf_device) ? "PF" : "VF",
- (acc_conf->input_pos_llr_1_bit) ? "POS" : "NEG",
- (acc_conf->output_pos_llr_1_bit) ? "POS" : "NEG",
- acc_conf->q_ul_4g.num_qgroups,
- acc_conf->q_dl_4g.num_qgroups,
- acc_conf->q_ul_5g.num_qgroups,
- acc_conf->q_dl_5g.num_qgroups,
- acc_conf->q_fft.num_qgroups,
- acc_conf->q_ul_4g.num_aqs_per_groups,
- acc_conf->q_dl_4g.num_aqs_per_groups,
- acc_conf->q_ul_5g.num_aqs_per_groups,
- acc_conf->q_dl_5g.num_aqs_per_groups,
- acc_conf->q_fft.num_aqs_per_groups,
- acc_conf->q_ul_4g.aq_depth_log2,
- acc_conf->q_dl_4g.aq_depth_log2,
- acc_conf->q_ul_5g.aq_depth_log2,
- acc_conf->q_dl_5g.aq_depth_log2,
- acc_conf->q_fft.aq_depth_log2);
+ (acc200_conf->input_pos_llr_1_bit) ? "POS" : "NEG",
+ (acc200_conf->output_pos_llr_1_bit) ? "POS" : "NEG",
+ acc200_conf->q_ul_4g.num_qgroups,
+ acc200_conf->q_dl_4g.num_qgroups,
+ acc200_conf->q_ul_5g.num_qgroups,
+ acc200_conf->q_dl_5g.num_qgroups,
+ acc200_conf->q_fft.num_qgroups,
+ acc200_conf->q_ul_4g.num_aqs_per_groups,
+ acc200_conf->q_dl_4g.num_aqs_per_groups,
+ acc200_conf->q_ul_5g.num_aqs_per_groups,
+ acc200_conf->q_dl_5g.num_aqs_per_groups,
+ acc200_conf->q_fft.num_aqs_per_groups,
+ acc200_conf->q_ul_4g.aq_depth_log2,
+ acc200_conf->q_dl_4g.aq_depth_log2,
+ acc200_conf->q_ul_5g.aq_depth_log2,
+ acc200_conf->q_dl_5g.aq_depth_log2,
+ acc200_conf->q_fft.aq_depth_log2);
+}
+
+static inline void
+acc200_vf2pf(struct acc_device *d, unsigned int payload)
+{
+ acc_reg_write(d, HWVfHiVfToPfDbellVf, payload);
+}
+
+/* Request device status information */
+static inline uint32_t
+acc200_device_status(struct rte_bbdev *dev)
+{
+ struct acc_device *d = dev->data->dev_private;
+ uint32_t reg, time_out = 0;
+ if (d->pf_device)
+ return RTE_BBDEV_DEV_NOT_SUPPORTED;
+ acc200_vf2pf(d, ACC_VF2PF_STATUS_REQUEST);
+ reg = acc_reg_read(d, HWVfHiPfToVfDbellVf);
+ while ((time_out < ACC200_STATUS_TO) && (reg == RTE_BBDEV_DEV_NOSTATUS)) {
+ usleep(ACC200_STATUS_WAIT); /*< Wait or VF->PF->VF Comms */
+ reg = acc_reg_read(d, HWVfHiPfToVfDbellVf);
+ time_out++;
+ }
+ return reg;
}
/* Checks PF Info Ring to find the interrupt cause and handles it accordingly */
@@ -537,6 +561,7 @@
/* Mark as configured properly */
d->configured = true;
+ acc200_vf2pf(d, ACC_VF2PF_USING_VF);
rte_bbdev_log_debug(
"ACC200 (%s) configured sw_rings = %p, sw_rings_iova = %#"
@@ -1047,6 +1072,8 @@
/* Read and save the populated config from ACC200 registers */
fetch_acc200_config(dev);
+ /* Check the status of device */
+ dev_info->device_status = acc200_device_status(dev);
/* Exposed number of queues */
dev_info->num_queues[RTE_BBDEV_OP_NONE] = 0;
--
1.8.3.1