Add support to expose the device status seen from the host through v2pf mailbox communication.
Signed-off-by: Nic Chautru <nicolas.chau...@intel.com> --- drivers/baseband/acc/rte_acc200_pmd.c | 61 +++++++++++++++++++++++++---------- 1 file changed, 44 insertions(+), 17 deletions(-) diff --git a/drivers/baseband/acc/rte_acc200_pmd.c b/drivers/baseband/acc/rte_acc200_pmd.c index b8b621a..3c2931b 100644 --- a/drivers/baseband/acc/rte_acc200_pmd.c +++ b/drivers/baseband/acc/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