* [PATCH v2 2/5] baseband/acc: remove ACC100 unused code
2024-05-02 20:45 [PATCH v2 0/5] ACC100 improvements and clean up Hernan Vargas
2024-05-02 20:45 ` [PATCH v2 1/5] baseband/acc: fix memory barrier Hernan Vargas
@ 2024-05-02 20:45 ` Hernan Vargas
2024-05-02 20:45 ` [PATCH v2 3/5] baseband/acc: remove ACC100 HARQ pruning Hernan Vargas
` (3 subsequent siblings)
5 siblings, 0 replies; 10+ messages in thread
From: Hernan Vargas @ 2024-05-02 20:45 UTC (permalink / raw)
To: dev, gakhil, trix, maxime.coquelin
Cc: nicolas.chautru, qi.z.zhang, Hernan Vargas
Remove dead code and unused function in ACC100 driver.
Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/baseband/acc/rte_acc100_pmd.c | 213 ++++++++------------------
1 file changed, 68 insertions(+), 145 deletions(-)
diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
index 4f666e514b72..d6b0b9400c82 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -1640,59 +1640,6 @@ acc100_dma_desc_ld_fill(struct rte_bbdev_dec_op *op,
return 0;
}
-static inline void
-acc100_dma_desc_ld_update(struct rte_bbdev_dec_op *op,
- struct acc_dma_req_desc *desc,
- struct rte_mbuf *input, struct rte_mbuf *h_output,
- uint32_t *in_offset, uint32_t *h_out_offset,
- uint32_t *h_out_length,
- union acc_harq_layout_data *harq_layout)
-{
- int next_triplet = 1; /* FCW already done */
- desc->data_ptrs[next_triplet].address =
- rte_pktmbuf_iova_offset(input, *in_offset);
- next_triplet++;
-
- if (check_bit(op->ldpc_dec.op_flags,
- RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE)) {
- struct rte_bbdev_op_data hi = op->ldpc_dec.harq_combined_input;
- desc->data_ptrs[next_triplet].address = hi.offset;
-#ifndef ACC100_EXT_MEM
- desc->data_ptrs[next_triplet].address =
- rte_pktmbuf_iova_offset(hi.data, hi.offset);
-#endif
- next_triplet++;
- }
-
- desc->data_ptrs[next_triplet].address =
- rte_pktmbuf_iova_offset(h_output, *h_out_offset);
- *h_out_length = desc->data_ptrs[next_triplet].blen;
- next_triplet++;
-
- if (check_bit(op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE)) {
- struct rte_bbdev_dec_op *prev_op;
- uint32_t harq_idx, prev_harq_idx;
- desc->data_ptrs[next_triplet].address = op->ldpc_dec.harq_combined_output.offset;
- /* Adjust based on previous operation */
- prev_op = desc->op_addr;
- op->ldpc_dec.harq_combined_output.length =
- prev_op->ldpc_dec.harq_combined_output.length;
- harq_idx = hq_index(op->ldpc_dec.harq_combined_output.offset);
- prev_harq_idx = hq_index(prev_op->ldpc_dec.harq_combined_output.offset);
- harq_layout[harq_idx].val = harq_layout[prev_harq_idx].val;
-#ifndef ACC100_EXT_MEM
- struct rte_bbdev_op_data ho =
- op->ldpc_dec.harq_combined_output;
- desc->data_ptrs[next_triplet].address =
- rte_pktmbuf_iova_offset(ho.data, ho.offset);
-#endif
- next_triplet++;
- }
-
- op->ldpc_dec.hard_output.length += *h_out_length;
- desc->op_addr = op;
-}
-
#ifndef RTE_LIBRTE_BBDEV_SKIP_VALIDATE
/* Validates turbo encoder parameters */
static inline int
@@ -2935,8 +2882,7 @@ derm_workaround_recommended(struct rte_bbdev_op_ldpc_dec *ldpc_dec, struct acc_q
/** Enqueue one decode operations for ACC100 device in CB mode */
static inline int
enqueue_ldpc_dec_one_op_cb(struct acc_queue *q, struct rte_bbdev_dec_op *op,
- uint16_t total_enqueued_cbs, bool same_op,
- struct rte_bbdev_queue_data *q_data)
+ uint16_t total_enqueued_cbs, struct rte_bbdev_queue_data *q_data)
{
int ret;
if (unlikely(check_bit(op->ldpc_dec.op_flags,
@@ -2969,93 +2915,73 @@ enqueue_ldpc_dec_one_op_cb(struct acc_queue *q, struct rte_bbdev_dec_op *op,
#endif
union acc_harq_layout_data *harq_layout = q->d->harq_layout;
- if (same_op) {
- union acc_dma_desc *prev_desc;
- prev_desc = acc_desc(q, total_enqueued_cbs - 1);
- uint8_t *prev_ptr = (uint8_t *) prev_desc;
- uint8_t *new_ptr = (uint8_t *) desc;
- /* Copy first 4 words and BDESCs */
- rte_memcpy(new_ptr, prev_ptr, ACC_5GUL_SIZE_0);
- rte_memcpy(new_ptr + ACC_5GUL_OFFSET_0,
- prev_ptr + ACC_5GUL_OFFSET_0,
- ACC_5GUL_SIZE_1);
- desc->req.op_addr = prev_desc->req.op_addr;
- /* Copy FCW */
- rte_memcpy(new_ptr + ACC_DESC_FCW_OFFSET,
- prev_ptr + ACC_DESC_FCW_OFFSET,
- ACC_FCW_LD_BLEN);
- acc100_dma_desc_ld_update(op, &desc->req, input, h_output,
- &in_offset, &h_out_offset,
- &h_out_length, harq_layout);
- } else {
- struct acc_fcw_ld *fcw;
- uint32_t seg_total_left;
-
- if (derm_workaround_recommended(&op->ldpc_dec, q)) {
- #ifdef RTE_BBDEV_SDK_AVX512
- struct rte_bbdev_op_ldpc_dec *dec = &op->ldpc_dec;
- struct bblib_rate_dematching_5gnr_request derm_req;
- struct bblib_rate_dematching_5gnr_response derm_resp;
- uint8_t *in;
-
- /* Checking input size is matching with E */
- if (dec->input.data->data_len < (dec->cb_params.e % 65536)) {
- rte_bbdev_log(ERR, "deRM: Input size mismatch");
- return -EFAULT;
- }
- /* Run first deRM processing in SW */
- in = rte_pktmbuf_mtod_offset(dec->input.data, uint8_t *, in_offset);
- derm_req.p_in = (int8_t *) in;
- derm_req.p_harq = (int8_t *) q->derm_buffer;
- derm_req.base_graph = dec->basegraph;
- derm_req.zc = dec->z_c;
- derm_req.ncb = dec->n_cb;
- derm_req.e = dec->cb_params.e;
- if (derm_req.e > ACC_MAX_E) {
- rte_bbdev_log(WARNING,
- "deRM: E %d > %d max",
- derm_req.e, ACC_MAX_E);
- derm_req.e = ACC_MAX_E;
- }
- derm_req.k0 = 0; /* Actual output from SDK */
- derm_req.isretx = false;
- derm_req.rvid = dec->rv_index;
- derm_req.modulation_order = dec->q_m;
- derm_req.start_null_index =
- (dec->basegraph == 1 ? 22 : 10)
- * dec->z_c - 2 * dec->z_c
- - dec->n_filler;
- derm_req.num_of_null = dec->n_filler;
- bblib_rate_dematching_5gnr(&derm_req, &derm_resp);
- /* Force back the HW DeRM */
- dec->q_m = 1;
- dec->cb_params.e = dec->n_cb - dec->n_filler;
- dec->rv_index = 0;
- rte_memcpy(in, q->derm_buffer, dec->cb_params.e);
- /* Capture counter when pre-processing is used */
- q_data->queue_stats.enqueue_warn_count++;
- #else
- RTE_SET_USED(q_data);
- rte_bbdev_log(INFO, "Corner case may require deRM pre-processing in SDK");
- #endif
+ struct acc_fcw_ld *fcw;
+ uint32_t seg_total_left;
+
+ if (derm_workaround_recommended(&op->ldpc_dec, q)) {
+ #ifdef RTE_BBDEV_SDK_AVX512
+ struct rte_bbdev_op_ldpc_dec *dec = &op->ldpc_dec;
+ struct bblib_rate_dematching_5gnr_request derm_req;
+ struct bblib_rate_dematching_5gnr_response derm_resp;
+ uint8_t *in;
+
+ /* Checking input size is matching with E */
+ if (dec->input.data->data_len < (dec->cb_params.e % 65536)) {
+ rte_bbdev_log(ERR, "deRM: Input size mismatch");
+ return -EFAULT;
}
+ /* Run first deRM processing in SW */
+ in = rte_pktmbuf_mtod_offset(dec->input.data, uint8_t *, in_offset);
+ derm_req.p_in = (int8_t *) in;
+ derm_req.p_harq = (int8_t *) q->derm_buffer;
+ derm_req.base_graph = dec->basegraph;
+ derm_req.zc = dec->z_c;
+ derm_req.ncb = dec->n_cb;
+ derm_req.e = dec->cb_params.e;
+ if (derm_req.e > ACC_MAX_E) {
+ rte_bbdev_log(WARNING,
+ "deRM: E %d > %d max",
+ derm_req.e, ACC_MAX_E);
+ derm_req.e = ACC_MAX_E;
+ }
+ derm_req.k0 = 0; /* Actual output from SDK */
+ derm_req.isretx = false;
+ derm_req.rvid = dec->rv_index;
+ derm_req.modulation_order = dec->q_m;
+ derm_req.start_null_index =
+ (dec->basegraph == 1 ? 22 : 10)
+ * dec->z_c - 2 * dec->z_c
+ - dec->n_filler;
+ derm_req.num_of_null = dec->n_filler;
+ bblib_rate_dematching_5gnr(&derm_req, &derm_resp);
+ /* Force back the HW DeRM */
+ dec->q_m = 1;
+ dec->cb_params.e = dec->n_cb - dec->n_filler;
+ dec->rv_index = 0;
+ rte_memcpy(in, q->derm_buffer, dec->cb_params.e);
+ /* Capture counter when pre-processing is used */
+ q_data->queue_stats.enqueue_warn_count++;
+ #else
+ RTE_SET_USED(q_data);
+ rte_bbdev_log(INFO, "Corner case may require deRM pre-processing in SDK");
+ #endif
+ }
- fcw = &desc->req.fcw_ld;
- q->d->fcw_ld_fill(op, fcw, harq_layout);
+ fcw = &desc->req.fcw_ld;
+ q->d->fcw_ld_fill(op, fcw, harq_layout);
- /* Special handling when using mbuf or not */
- if (check_bit(op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_DEC_SCATTER_GATHER))
- seg_total_left = rte_pktmbuf_data_len(input) - in_offset;
- else
- seg_total_left = fcw->rm_e;
+ /* Special handling when using mbuf or not */
+ if (check_bit(op->ldpc_dec.op_flags, RTE_BBDEV_LDPC_DEC_SCATTER_GATHER))
+ seg_total_left = rte_pktmbuf_data_len(input) - in_offset;
+ else
+ seg_total_left = fcw->rm_e;
- ret = acc100_dma_desc_ld_fill(op, &desc->req, &input, h_output,
- &in_offset, &h_out_offset,
- &h_out_length, &mbuf_total_left,
- &seg_total_left, fcw);
- if (unlikely(ret < 0))
- return ret;
- }
+ ret = acc100_dma_desc_ld_fill(op, &desc->req, &input, h_output,
+ &in_offset, &h_out_offset,
+ &h_out_length, &mbuf_total_left,
+ &seg_total_left, fcw);
+ if (unlikely(ret < 0))
+ return ret;
/* Hard output */
mbuf_append(h_output_head, h_output, h_out_length);
@@ -3553,7 +3479,7 @@ acc100_enqueue_ldpc_dec_cb(struct rte_bbdev_queue_data *q_data,
int32_t avail = acc_ring_avail_enq(q);
uint16_t i;
int ret;
- bool same_op = false;
+
for (i = 0; i < num; ++i) {
/* Check if there are available space for further processing */
if (unlikely(avail < 1)) {
@@ -3562,16 +3488,13 @@ acc100_enqueue_ldpc_dec_cb(struct rte_bbdev_queue_data *q_data,
}
avail -= 1;
- if (i > 0)
- same_op = cmp_ldpc_dec_op(&ops[i-1]);
- rte_bbdev_log(INFO, "Op %d %d %d %d %d %d %d %d %d %d %d %d\n",
+ rte_bbdev_log(INFO, "Op %d %d %d %d %d %d %d %d %d %d %d\n",
i, ops[i]->ldpc_dec.op_flags, ops[i]->ldpc_dec.rv_index,
ops[i]->ldpc_dec.iter_max, ops[i]->ldpc_dec.iter_count,
ops[i]->ldpc_dec.basegraph, ops[i]->ldpc_dec.z_c,
ops[i]->ldpc_dec.n_cb, ops[i]->ldpc_dec.q_m,
- ops[i]->ldpc_dec.n_filler, ops[i]->ldpc_dec.cb_params.e,
- same_op);
- ret = enqueue_ldpc_dec_one_op_cb(q, ops[i], i, same_op, q_data);
+ ops[i]->ldpc_dec.n_filler, ops[i]->ldpc_dec.cb_params.e);
+ ret = enqueue_ldpc_dec_one_op_cb(q, ops[i], i, q_data);
if (ret < 0) {
acc_enqueue_invalid(q_data);
break;
--
2.37.1
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH v2 3/5] baseband/acc: remove ACC100 HARQ pruning
2024-05-02 20:45 [PATCH v2 0/5] ACC100 improvements and clean up Hernan Vargas
2024-05-02 20:45 ` [PATCH v2 1/5] baseband/acc: fix memory barrier Hernan Vargas
2024-05-02 20:45 ` [PATCH v2 2/5] baseband/acc: remove ACC100 unused code Hernan Vargas
@ 2024-05-02 20:45 ` Hernan Vargas
2024-05-02 20:45 ` [PATCH v2 4/5] baseband/acc: improve error description Hernan Vargas
` (2 subsequent siblings)
5 siblings, 0 replies; 10+ messages in thread
From: Hernan Vargas @ 2024-05-02 20:45 UTC (permalink / raw)
To: dev, gakhil, trix, maxime.coquelin
Cc: nicolas.chautru, qi.z.zhang, Hernan Vargas
HARQ pruning is not an ACC100 feature. Removing in effect dead code.
Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/baseband/acc/rte_acc100_pmd.c | 33 +++++----------------------
1 file changed, 6 insertions(+), 27 deletions(-)
diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
index d6b0b9400c82..f37722879c20 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -1152,7 +1152,6 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
uint16_t harq_out_length, harq_in_length, ncb_p, k0_p, parity_offset;
uint32_t harq_index;
uint32_t l;
- bool harq_prun = false;
uint32_t max_hc_in;
fcw->qm = op->ldpc_dec.q_m;
@@ -1199,13 +1198,6 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
fcw->llr_pack_mode = check_bit(op->ldpc_dec.op_flags,
RTE_BBDEV_LDPC_LLR_COMPRESSION);
harq_index = hq_index(op->ldpc_dec.harq_combined_output.offset);
-#ifdef ACC100_EXT_MEM
- /* Limit cases when HARQ pruning is valid */
- harq_prun = ((op->ldpc_dec.harq_combined_output.offset %
- ACC_HARQ_OFFSET) == 0) &&
- (op->ldpc_dec.harq_combined_output.offset <= UINT16_MAX
- * ACC_HARQ_OFFSET);
-#endif
if (fcw->hcin_en > 0) {
harq_in_length = op->ldpc_dec.harq_combined_input.length;
if (fcw->hcin_decomp_mode > 0)
@@ -1221,16 +1213,9 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
if (fcw->hcin_decomp_mode > 0)
harq_in_length = RTE_ALIGN_FLOOR(harq_in_length, ACC100_HARQ_ALIGN_COMP);
- if ((harq_layout[harq_index].offset > 0) && harq_prun) {
- rte_bbdev_log_debug("HARQ IN offset unexpected for now\n");
- fcw->hcin_size0 = harq_layout[harq_index].size0;
- fcw->hcin_offset = harq_layout[harq_index].offset;
- fcw->hcin_size1 = harq_in_length - harq_layout[harq_index].offset;
- } else {
- fcw->hcin_size0 = harq_in_length;
- fcw->hcin_offset = 0;
- fcw->hcin_size1 = 0;
- }
+ fcw->hcin_size0 = harq_in_length;
+ fcw->hcin_offset = 0;
+ fcw->hcin_size1 = 0;
} else {
fcw->hcin_size0 = 0;
fcw->hcin_offset = 0;
@@ -1296,15 +1281,9 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
if (fcw->hcout_comp_mode > 0)
harq_out_length = RTE_ALIGN_FLOOR(harq_out_length, ACC100_HARQ_ALIGN_COMP);
- if ((k0_p > fcw->hcin_size0 + ACC_HARQ_OFFSET_THRESHOLD) && harq_prun) {
- fcw->hcout_size0 = (uint16_t) fcw->hcin_size0;
- fcw->hcout_offset = k0_p & 0xFFC0;
- fcw->hcout_size1 = harq_out_length - fcw->hcout_offset;
- } else {
- fcw->hcout_size0 = harq_out_length;
- fcw->hcout_size1 = 0;
- fcw->hcout_offset = 0;
- }
+ fcw->hcout_size0 = harq_out_length;
+ fcw->hcout_size1 = 0;
+ fcw->hcout_offset = 0;
if (fcw->hcout_size0 == 0) {
rte_bbdev_log(ERR, " Invalid FCW : HCout %d",
--
2.37.1
^ permalink raw reply [flat|nested] 10+ messages in thread* [PATCH v2 4/5] baseband/acc: improve error description
2024-05-02 20:45 [PATCH v2 0/5] ACC100 improvements and clean up Hernan Vargas
` (2 preceding siblings ...)
2024-05-02 20:45 ` [PATCH v2 3/5] baseband/acc: remove ACC100 HARQ pruning Hernan Vargas
@ 2024-05-02 20:45 ` Hernan Vargas
2024-05-02 20:45 ` [PATCH v2 5/5] baseband/acc: cosmetic log changes Hernan Vargas
2024-06-12 9:09 ` [PATCH v2 0/5] ACC100 improvements and clean up Maxime Coquelin
5 siblings, 0 replies; 10+ messages in thread
From: Hernan Vargas @ 2024-05-02 20:45 UTC (permalink / raw)
To: dev, gakhil, trix, maxime.coquelin
Cc: nicolas.chautru, qi.z.zhang, Hernan Vargas
Remove dead code for error and update description of one error print.
Signed-off-by: Hernan Vargas <hernan.vargas@intel.com>
Reviewed-by: Maxime Coquelin <maxime.coquelin@redhat.com>
---
drivers/baseband/acc/rte_acc100_pmd.c | 19 +------------------
1 file changed, 1 insertion(+), 18 deletions(-)
diff --git a/drivers/baseband/acc/rte_acc100_pmd.c b/drivers/baseband/acc/rte_acc100_pmd.c
index f37722879c20..8ec521675f34 100644
--- a/drivers/baseband/acc/rte_acc100_pmd.c
+++ b/drivers/baseband/acc/rte_acc100_pmd.c
@@ -1152,7 +1152,6 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
uint16_t harq_out_length, harq_in_length, ncb_p, k0_p, parity_offset;
uint32_t harq_index;
uint32_t l;
- uint32_t max_hc_in;
fcw->qm = op->ldpc_dec.q_m;
fcw->nfiller = op->ldpc_dec.n_filler;
@@ -1222,21 +1221,6 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
fcw->hcin_size1 = 0;
}
- /* Enforce additional check on FCW validity */
- max_hc_in = RTE_ALIGN_CEIL(fcw->ncb - fcw->nfiller, ACC_HARQ_ALIGN_64B);
- if ((fcw->hcin_size0 > max_hc_in) ||
- (fcw->hcin_size1 + fcw->hcin_offset > max_hc_in) ||
- ((fcw->hcin_size0 > fcw->hcin_offset) &&
- (fcw->hcin_size1 != 0))) {
- rte_bbdev_log(ERR, " Invalid FCW : HCIn %d %d %d, Ncb %d F %d",
- fcw->hcin_size0, fcw->hcin_size1,
- fcw->hcin_offset,
- fcw->ncb, fcw->nfiller);
- /* Disable HARQ input in that case to carry forward */
- op->ldpc_dec.op_flags ^= RTE_BBDEV_LDPC_HQ_COMBINE_IN_ENABLE;
- fcw->hcin_en = 0;
- }
-
fcw->itmax = op->ldpc_dec.iter_max;
fcw->itstop = check_bit(op->ldpc_dec.op_flags,
RTE_BBDEV_LDPC_ITERATION_STOP_ENABLE);
@@ -1286,8 +1270,7 @@ acc100_fcw_ld_fill(struct rte_bbdev_dec_op *op, struct acc_fcw_ld *fcw,
fcw->hcout_offset = 0;
if (fcw->hcout_size0 == 0) {
- rte_bbdev_log(ERR, " Invalid FCW : HCout %d",
- fcw->hcout_size0);
+ rte_bbdev_log(ERR, " Disabling HARQ output as size is zero");
op->ldpc_dec.op_flags ^= RTE_BBDEV_LDPC_HQ_COMBINE_OUT_ENABLE;
fcw->hcout_en = 0;
}
--
2.37.1
^ permalink raw reply [flat|nested] 10+ messages in thread