This allows to configure the VRB2 device using a
companion configuration function within the DPDK
bbdev-test environment.
Signed-off-by: Nicolas Chautru <nicolas.chau...@intel.com>
---
drivers/baseband/acc/acc100_pmd.h | 2 +
drivers/baseband/acc/acc_common.h | 7 +
drivers/baseband/acc/rte_acc100_pmd.c | 6 +-
drivers/baseband/acc/rte_vrb_pmd.c | 322 ++++++++++++++++++++++++++
drivers/baseband/acc/vrb_cfg.h | 16 ++
5 files changed, 352 insertions(+), 1 deletion(-)
diff --git a/drivers/baseband/acc/acc100_pmd.h
b/drivers/baseband/acc/acc100_pmd.h
index a48298650c..5a8965fa53 100644
--- a/drivers/baseband/acc/acc100_pmd.h
+++ b/drivers/baseband/acc/acc100_pmd.h
@@ -34,6 +34,8 @@
#define ACC100_VENDOR_ID (0x8086)
#define ACC100_PF_DEVICE_ID (0x0d5c)
#define ACC100_VF_DEVICE_ID (0x0d5d)
+#define VRB1_PF_DEVICE_ID (0x57C0)
+#define VRB2_PF_DEVICE_ID (0x57C2)
/* Values used in writing to the registers */
#define ACC100_REG_IRQ_EN_ALL 0x1FF83FF /* Enable all interrupts */
diff --git a/drivers/baseband/acc/acc_common.h
b/drivers/baseband/acc/acc_common.h
index 56578c43ba..8c2f1db262 100644
--- a/drivers/baseband/acc/acc_common.h
+++ b/drivers/baseband/acc/acc_common.h
@@ -1480,6 +1480,13 @@ get_num_cbs_in_tb_ldpc_enc(struct rte_bbdev_op_ldpc_enc
*ldpc_enc)
return cbs_in_tb;
}
+static inline void
+acc_reg_fast_write(struct acc_device *d, uint32_t offset, uint32_t value)
+{
+ void *reg_addr = RTE_PTR_ADD(d->mmio_base, offset);
+ mmio_write(reg_addr, value);
+}
+
#ifdef RTE_LIBRTE_BBDEV_DEBUG
static inline void
acc_memdump(const char *string, void *buf, uint16_t bytes)
diff --git a/drivers/baseband/acc/rte_acc100_pmd.c
b/drivers/baseband/acc/rte_acc100_pmd.c
index 7f8d05b5a9..699a227d13 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -5187,6 +5187,10 @@ rte_acc_configure(const char *dev_name, struct
rte_acc_conf *conf)
return acc100_configure(dev_name, conf);
else if (pci_dev->id.device_id == ACC101_PF_DEVICE_ID)
return acc101_configure(dev_name, conf);
- else
+ else if (pci_dev->id.device_id == VRB1_PF_DEVICE_ID)
return vrb1_configure(dev_name, conf);
+ else if (pci_dev->id.device_id == VRB2_PF_DEVICE_ID)
+ return vrb2_configure(dev_name, conf);
+
+ return -ENXIO;
}
diff --git a/drivers/baseband/acc/rte_vrb_pmd.c
b/drivers/baseband/acc/rte_vrb_pmd.c
index 36d2c8173d..76efc8faf1 100644
--- a/drivers/baseband/acc/rte_vrb_pmd.c
+++ b/drivers/baseband/acc/rte_vrb_pmd.c
@@ -5073,3 +5073,325 @@ vrb1_configure(const char *dev_name, struct
rte_acc_conf *conf)
rte_bbdev_log_debug("PF Tip configuration complete for %s", dev_name);
return 0;
}
+
+
+/* Initial configuration of a VRB2 device prior to running configure(). */
+int
+vrb2_configure(const char *dev_name, struct rte_acc_conf *conf)
+{
+ rte_bbdev_log(INFO, "vrb2_configure");
+ uint32_t value, address, status;
+ int qg_idx, template_idx, vf_idx, acc, i, aq_reg, static_allocation,
numEngines;
+ int numQgs, numQqsAcc, totalQgs;
+ int qman_func_id[8] = {0, 2, 1, 3, 4, 5, 0, 0};
+ struct rte_bbdev *bbdev = rte_bbdev_get_named_dev(dev_name);
+ int rlim, alen, timestamp;
+
+ /* Compile time checks */
+ RTE_BUILD_BUG_ON(sizeof(struct acc_dma_req_desc) != 256);
+ RTE_BUILD_BUG_ON(sizeof(union acc_dma_desc) != 256);
+ RTE_BUILD_BUG_ON(sizeof(struct acc_fcw_td) != 24);
+ RTE_BUILD_BUG_ON(sizeof(struct acc_fcw_te) != 32);
+
+ if (bbdev == NULL) {
+ rte_bbdev_log(ERR,
+ "Invalid dev_name (%s), or device is not yet initialised",
+ dev_name);
+ return -ENODEV;
+ }
+ struct acc_device *d = bbdev->data->dev_private;
+
+ /* Store configuration */
+ rte_memcpy(&d->acc_conf, conf, sizeof(d->acc_conf));
+
+ /* Explicitly releasing AXI as this may be stopped after PF FLR/BME */
+ address = VRB2_PfDmaAxiControl;
+ value = 1;
+ acc_reg_write(d, address, value);
+
+ /* Set the fabric mode */
+ address = VRB2_PfFabricM2iBufferReg;
+ value = VRB2_FABRIC_MODE;
+ acc_reg_write(d, address, value);
+
+ /* Set default descriptor signature */
+ address = VRB2_PfDmaDescriptorSignature;
+ value = 0;
+ acc_reg_write(d, address, value);
+
+ /* Enable the Error Detection in DMA */
+ value = VRB2_CFG_DMA_ERROR;
+ address = VRB2_PfDmaErrorDetectionEn;
+ acc_reg_write(d, address, value);
+
+ /* AXI Cache configuration */
+ value = VRB2_CFG_AXI_CACHE;
+ address = VRB2_PfDmaAxcacheReg;
+ acc_reg_write(d, address, value);
+
+ /* AXI Response configuration */
+ acc_reg_write(d, VRB2_PfDmaCfgRrespBresp, 0x0);
+
+ /* Default DMA Configuration (Qmgr Enabled) */
+ acc_reg_write(d, VRB2_PfDmaConfig0Reg, 0);
+ acc_reg_write(d, VRB2_PfDmaQmanenSelect, 0xFFFFFFFF);
+ acc_reg_write(d, VRB2_PfDmaQmanen, 0);
+
+ /* Default RLIM/ALEN configuration */
+ rlim = 0;
+ alen = 3;
+ timestamp = 0;
+ address = VRB2_PfDmaConfig1Reg;
+ value = (1 << 31) + (rlim << 8) + (timestamp << 6) + alen;
+ acc_reg_write(d, address, value);
+
+ /* Default FFT configuration */
+ for (template_idx = 0; template_idx < VRB2_FFT_NUM; template_idx++) {
+ acc_reg_write(d, VRB2_PfFftConfig0 + template_idx * 0x1000,
VRB2_FFT_CFG_0);
+ acc_reg_write(d, VRB2_PfFftParityMask8 + template_idx * 0x1000,
VRB2_FFT_ECC);
+ }
+
+ /* Configure DMA Qmanager addresses */
+ address = VRB2_PfDmaQmgrAddrReg;
+ value = VRB2_PfQmgrEgressQueuesTemplate;
+ acc_reg_write(d, address, value);
+
+ /* ===== Qmgr Configuration ===== */
+ /* Configuration of the AQueue Depth QMGR_GRP_0_DEPTH_LOG2 for UL */
+ totalQgs = conf->q_ul_4g.num_qgroups + conf->q_ul_5g.num_qgroups +
+ conf->q_dl_4g.num_qgroups + conf->q_dl_5g.num_qgroups +
+ conf->q_fft.num_qgroups + conf->q_mld.num_qgroups;
+ for (qg_idx = 0; qg_idx < VRB2_NUM_QGRPS; qg_idx++) {
+ address = VRB2_PfQmgrDepthLog2Grp + ACC_BYTES_IN_WORD * qg_idx;
+ value = aqDepth(qg_idx, conf);
+ acc_reg_write(d, address, value);
+ address = VRB2_PfQmgrTholdGrp + ACC_BYTES_IN_WORD * qg_idx;
+ value = (1 << 16) + (1 << (aqDepth(qg_idx, conf) - 1));
+ acc_reg_write(d, address, value);
+ }
+
+ /* Template Priority in incremental order */
+ for (template_idx = 0; template_idx < ACC_NUM_TMPL; template_idx++) {
+ address = VRB2_PfQmgrGrpTmplateReg0Indx + ACC_BYTES_IN_WORD *
template_idx;
+ value = ACC_TMPL_PRI_0;
+ acc_reg_write(d, address, value);
+ address = VRB2_PfQmgrGrpTmplateReg1Indx + ACC_BYTES_IN_WORD *
template_idx;
+ value = ACC_TMPL_PRI_1;
+ acc_reg_write(d, address, value);
+ address = VRB2_PfQmgrGrpTmplateReg2Indx + ACC_BYTES_IN_WORD *
template_idx;
+ value = ACC_TMPL_PRI_2;
+ acc_reg_write(d, address, value);
+ address = VRB2_PfQmgrGrpTmplateReg3Indx + ACC_BYTES_IN_WORD *
template_idx;
+ value = ACC_TMPL_PRI_3;
+ acc_reg_write(d, address, value);
+ address = VRB2_PfQmgrGrpTmplateReg4Indx + ACC_BYTES_IN_WORD *
template_idx;
+ value = ACC_TMPL_PRI_4;
+ acc_reg_write(d, address, value);
+ address = VRB2_PfQmgrGrpTmplateReg5Indx + ACC_BYTES_IN_WORD *
template_idx;
+ value = ACC_TMPL_PRI_5;
+ acc_reg_write(d, address, value);
+ address = VRB2_PfQmgrGrpTmplateReg6Indx + ACC_BYTES_IN_WORD *
template_idx;
+ value = ACC_TMPL_PRI_6;
+ acc_reg_write(d, address, value);
+ address = VRB2_PfQmgrGrpTmplateReg7Indx + ACC_BYTES_IN_WORD *
template_idx;
+ value = ACC_TMPL_PRI_7;
+ acc_reg_write(d, address, value);
+ }
+
+ address = VRB2_PfQmgrGrpPriority;
+ value = VRB2_CFG_QMGR_HI_P;
+ acc_reg_write(d, address, value);
+
+ /* Template Configuration */
+ for (template_idx = 0; template_idx < ACC_NUM_TMPL; template_idx++) {
+ value = 0;
+ address = VRB2_PfQmgrGrpTmplateEnRegIndx + ACC_BYTES_IN_WORD *
template_idx;
+ acc_reg_write(d, address, value);
+ }
+ /* 4GUL */
+ numQgs = conf->q_ul_4g.num_qgroups;
+ numQqsAcc = 0;
+ value = 0;
+ for (qg_idx = numQqsAcc; qg_idx < (numQgs + numQqsAcc); qg_idx++)
+ value |= (1 << qg_idx);
+ for (template_idx = VRB2_SIG_UL_4G; template_idx <= VRB2_SIG_UL_4G_LAST;
+ template_idx++) {
+ address = VRB2_PfQmgrGrpTmplateEnRegIndx + ACC_BYTES_IN_WORD *
template_idx;
+ acc_reg_write(d, address, value);
+ }
+ /* 5GUL */
+ numQqsAcc += numQgs;
+ numQgs = conf->q_ul_5g.num_qgroups;
+ value = 0;
+ numEngines = 0;
+ for (qg_idx = numQqsAcc; qg_idx < (numQgs + numQqsAcc); qg_idx++)
+ value |= (1 << qg_idx);
+ for (template_idx = VRB2_SIG_UL_5G; template_idx <= VRB2_SIG_UL_5G_LAST;
+ template_idx++) {
+ /* Check engine power-on status */
+ address = VRB2_PfFecUl5gIbDebug0Reg + ACC_ENGINE_OFFSET *
template_idx;
+ status = (acc_reg_read(d, address) >> 4) & 0x7;
+ address = VRB2_PfQmgrGrpTmplateEnRegIndx + ACC_BYTES_IN_WORD *
template_idx;
+ if (status == 1) {
+ acc_reg_write(d, address, value);
+ numEngines++;
+ } else
+ acc_reg_write(d, address, 0);
+ }
+ rte_bbdev_log(INFO, "Number of 5GUL engines %d", numEngines);
+ /* 4GDL */
+ numQqsAcc += numQgs;
+ numQgs = conf->q_dl_4g.num_qgroups;
+ value = 0;
+ for (qg_idx = numQqsAcc; qg_idx < (numQgs + numQqsAcc); qg_idx++)
+ value |= (1 << qg_idx);
+ for (template_idx = VRB2_SIG_DL_4G; template_idx <= VRB2_SIG_DL_4G_LAST;
+ template_idx++) {
+ address = VRB2_PfQmgrGrpTmplateEnRegIndx + ACC_BYTES_IN_WORD *
template_idx;
+ acc_reg_write(d, address, value);
+ }
+ /* 5GDL */
+ numQqsAcc += numQgs;
+ numQgs = conf->q_dl_5g.num_qgroups;
+ value = 0;
+ for (qg_idx = numQqsAcc; qg_idx < (numQgs + numQqsAcc); qg_idx++)
+ value |= (1 << qg_idx);
+ for (template_idx = VRB2_SIG_DL_5G; template_idx <= VRB2_SIG_DL_5G_LAST;
+ template_idx++) {
+ address = VRB2_PfQmgrGrpTmplateEnRegIndx + ACC_BYTES_IN_WORD *
template_idx;
+ acc_reg_write(d, address, value);
+ }
+ /* FFT */
+ numQqsAcc += numQgs;
+ numQgs = conf->q_fft.num_qgroups;
+ value = 0;
+ for (qg_idx = numQqsAcc; qg_idx < (numQgs + numQqsAcc); qg_idx++)
+ value |= (1 << qg_idx);
+ for (template_idx = VRB2_SIG_FFT; template_idx <= VRB2_SIG_FFT_LAST;
+ template_idx++) {
+ address = VRB2_PfQmgrGrpTmplateEnRegIndx + ACC_BYTES_IN_WORD *
template_idx;
+ acc_reg_write(d, address, value);
+ }
+ /* MLD */
+ numQqsAcc += numQgs;
+ numQgs = conf->q_mld.num_qgroups;
+ value = 0;
+ for (qg_idx = numQqsAcc; qg_idx < (numQgs + numQqsAcc); qg_idx++)
+ value |= (1 << qg_idx);
+ for (template_idx = VRB2_SIG_MLD; template_idx <= VRB2_SIG_MLD_LAST;
+ template_idx++) {
+ address = VRB2_PfQmgrGrpTmplateEnRegIndx
+ + ACC_BYTES_IN_WORD * template_idx;
+ acc_reg_write(d, address, value);
+ }
+
+ /* Queue Group Function mapping */
+ for (i = 0; i < 4; i++) {
+ value = 0;
+ for (qg_idx = 0; qg_idx < ACC_NUM_QGRPS_PER_WORD; qg_idx++) {
+ acc = accFromQgid(qg_idx + i * ACC_NUM_QGRPS_PER_WORD,
conf);
+ value |= qman_func_id[acc] << (qg_idx * 4);
+ }
+ acc_reg_write(d, VRB2_PfQmgrGrpFunction0 + i *
ACC_BYTES_IN_WORD, value);
+ }
+
+ /* Configuration of the Arbitration QGroup depth to 1 */
+ for (qg_idx = 0; qg_idx < VRB2_NUM_QGRPS; qg_idx++) {
+ address = VRB2_PfQmgrArbQDepthGrp + ACC_BYTES_IN_WORD * qg_idx;
+ value = 0;
+ acc_reg_write(d, address, value);
+ }
+
+ static_allocation = 1;
+ if (static_allocation == 1) {
+ /* This pointer to ARAM (512kB) is shifted by 2 (4B per
register) */
+ uint32_t aram_address = 0;
+ for (qg_idx = 0; qg_idx < totalQgs; qg_idx++) {
+ for (vf_idx = 0; vf_idx < conf->num_vf_bundles;
vf_idx++) {
+ address = VRB2_PfQmgrVfBaseAddr + vf_idx
+ * ACC_BYTES_IN_WORD + qg_idx
+ * ACC_BYTES_IN_WORD * 64;
+ value = aram_address;
+ acc_reg_fast_write(d, address, value);
+ /* Offset ARAM Address for next memory bank -
increment of 4B. */
+ aram_address += aqNum(qg_idx, conf) *
+ (1 << aqDepth(qg_idx, conf));
+ }
+ }
+ if (aram_address > VRB2_WORDS_IN_ARAM_SIZE) {
+ rte_bbdev_log(ERR, "ARAM Configuration not fitting %d
%d\n",
+ aram_address, VRB2_WORDS_IN_ARAM_SIZE);
+ return -EINVAL;
+ }
+ } else {
+ /* Dynamic Qmgr allocation */
+ acc_reg_write(d, VRB2_PfQmgrAramAllocEn, 1);
+ acc_reg_write(d, VRB2_PfQmgrAramAllocSetupN0, 0x1000);
+ acc_reg_write(d, VRB2_PfQmgrAramAllocSetupN1, 0);
+ acc_reg_write(d, VRB2_PfQmgrAramAllocSetupN2, 0);
+ acc_reg_write(d, VRB2_PfQmgrAramAllocSetupN3, 0);
+ acc_reg_write(d, VRB2_PfQmgrSoftReset, 1);
+ acc_reg_write(d, VRB2_PfQmgrSoftReset, 0);
+ }
+
+ /* ==== HI Configuration ==== */
+
+ /* No Info Ring/MSI by default */
+ address = VRB2_PfHiInfoRingIntWrEnRegPf;
+ value = 0;
+ acc_reg_write(d, address, value);
+ address = VRB2_PfHiCfgMsiIntWrEnRegPf;
+ value = 0xFFFFFFFF;
+ acc_reg_write(d, address, value);
+ /* Prevent Block on Transmit Error */
+ address = VRB2_PfHiBlockTransmitOnErrorEn;
+ value = 0;
+ acc_reg_write(d, address, value);
+ /* Prevents to drop MSI */
+ address = VRB2_PfHiMsiDropEnableReg;
+ value = 0;
+ acc_reg_write(d, address, value);
+ /* Set the PF Mode register */
+ address = VRB2_PfHiPfMode;
+ value = ((conf->pf_mode_en) ? ACC_PF_VAL : 0) | 0x1F07F0;
+ acc_reg_write(d, address, value);
+ /* Explicitly releasing AXI after PF Mode */
+ acc_reg_write(d, VRB2_PfDmaAxiControl, 1);
+
+ /* QoS overflow init */
+ value = 1;
+ address = VRB2_PfQosmonAEvalOverflow0;
+ acc_reg_write(d, address, value);
+ address = VRB2_PfQosmonBEvalOverflow0;
+ acc_reg_write(d, address, value);
+
+ /* Enabling AQueues through the Queue hierarchy*/
+ unsigned int en_bitmask[VRB2_AQ_REG_NUM];
+ for (vf_idx = 0; vf_idx < VRB2_NUM_VFS; vf_idx++) {
+ for (qg_idx = 0; qg_idx < VRB2_NUM_QGRPS; qg_idx++) {
+ for (aq_reg = 0; aq_reg < VRB2_AQ_REG_NUM; aq_reg++)
+ en_bitmask[aq_reg] = 0;
+ if (vf_idx < conf->num_vf_bundles && qg_idx < totalQgs)
{
+ for (aq_reg = 0; aq_reg < VRB2_AQ_REG_NUM;
aq_reg++) {
+ if (aqNum(qg_idx, conf) >= 16 * (aq_reg
+ 1))
+ en_bitmask[aq_reg] = 0xFFFF;
+ else if (aqNum(qg_idx, conf) <= 16 *
aq_reg)
+ en_bitmask[aq_reg] = 0x0;
+ else
+ en_bitmask[aq_reg] = (1 <<
(aqNum(qg_idx,
+ conf) - aq_reg
* 16)) - 1;
+ }
+ }
+ for (aq_reg = 0; aq_reg < VRB2_AQ_REG_NUM; aq_reg++) {
+ address = VRB2_PfQmgrAqEnableVf + vf_idx * 16 +
aq_reg * 4;
+ value = (qg_idx << 16) + en_bitmask[aq_reg];
+ acc_reg_fast_write(d, address, value);
+ }
+ }
+ }
+
+ rte_bbdev_log(INFO,
+ "VRB2 basic config complete for %s - pf_bb_config
should ideally be used instead",
+ dev_name);
+ return 0;
+}
diff --git a/drivers/baseband/acc/vrb_cfg.h b/drivers/baseband/acc/vrb_cfg.h
index e3c8902b46..79487c4e04 100644
--- a/drivers/baseband/acc/vrb_cfg.h
+++ b/drivers/baseband/acc/vrb_cfg.h
@@ -29,4 +29,20 @@
int
vrb1_configure(const char *dev_name, struct rte_acc_conf *conf);
+/**
+ * Configure a VRB2 device.
+ *
+ * @param dev_name
+ * The name of the device. This is the short form of PCI BDF, e.g. 00:01.0.
+ * It can also be retrieved for a bbdev device from the dev_name field in the
+ * rte_bbdev_info structure returned by rte_bbdev_info_get().
+ * @param conf
+ * Configuration to apply to VRB2 HW.
+ *
+ * @return
+ * Zero on success, negative value on failure.
+ */
+int
+vrb2_configure(const char *dev_name, struct rte_acc_conf *conf);
+
#endif /* _VRB_CFG_H_ */
--
2.34.1
