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From: Nithin Dabilpuram <ndabilpuram@marvell.com>
To: Nithin Dabilpuram <ndabilpuram@marvell.com>, Kiran Kumar K
<kirankumark@marvell.com>, Sunil Kumar Kori <skori@marvell.com>, Satha Rao
<skoteshwar@marvell.com>
CC: <dev@dpdk.org>
Subject: [PATCH v4 04/14] common/cnxk: dump selected SQ entries
Date: Thu, 22 Feb 2024 16:32:22 +0530
Message-ID: <20240222110232.2342903-4-ndabilpuram@marvell.com>
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From: Satha Rao <skoteshwar@marvell.com>
New API to dump detailed SQ entries.
Signed-off-by: Satha Rao <skoteshwar@marvell.com>
---
drivers/common/cnxk/roc_nix.h | 2 +
drivers/common/cnxk/roc_nix_debug.c | 172 ++++++++++++++++++++++++++++
drivers/common/cnxk/version.map | 1 +
3 files changed, 175 insertions(+)
diff --git a/drivers/common/cnxk/roc_nix.h b/drivers/common/cnxk/roc_nix.h
index 84e6fc3df5..9d57ca0be7 100644
--- a/drivers/common/cnxk/roc_nix.h
+++ b/drivers/common/cnxk/roc_nix.h
@@ -553,6 +553,8 @@ void __roc_api roc_nix_cqe_dump(FILE *file, const struct nix_cqe_hdr_s *cq);
void __roc_api roc_nix_rq_dump(struct roc_nix_rq *rq, FILE *file);
void __roc_api roc_nix_cq_dump(struct roc_nix_cq *cq, FILE *file);
void __roc_api roc_nix_sq_dump(struct roc_nix_sq *sq, FILE *file);
+int __roc_api roc_nix_sq_desc_dump(struct roc_nix *roc_nix, uint16_t q, uint16_t offset,
+ uint16_t num, FILE *file);
void __roc_api roc_nix_tm_dump(struct roc_nix *roc_nix, FILE *file);
void __roc_api roc_nix_dump(struct roc_nix *roc_nix, FILE *file);
diff --git a/drivers/common/cnxk/roc_nix_debug.c b/drivers/common/cnxk/roc_nix_debug.c
index 8962a76097..26546f9297 100644
--- a/drivers/common/cnxk/roc_nix_debug.c
+++ b/drivers/common/cnxk/roc_nix_debug.c
@@ -1362,3 +1362,175 @@ roc_nix_inl_outb_cpt_lfs_dump(struct roc_nix *roc_nix, FILE *file)
cpt_lf_print(&lf_base[i]);
}
}
+
+static void
+nix_tm_sqe_dump(uint64_t *sqe, int head_off, int end_off, int instr_sz, FILE *file, int full,
+ uint16_t *num)
+{
+ int i, j, inc = (8 * (0x2 >> instr_sz)), segs;
+ uint64_t *ptr;
+
+ if (!sqe || !(*num))
+ return;
+
+ ptr = sqe + (head_off * inc);
+ for (i = head_off; i < end_off; i++) {
+ if (!(*num))
+ return;
+ ptr = sqe + (i * inc);
+ nix_dump(file, "Entry : %d >>>>>\n", i);
+ nix_dump(file, "\t\tSEND_HDR[0]: 0x%016lx SEND_HDR[1]: 0x%016lx\n", *ptr,
+ *(ptr + 1));
+ *num = *num - 1;
+ if (!full)
+ continue;
+ ptr += 2;
+ if (((*ptr >> 60) & 0xF) == NIX_SUBDC_EXT) {
+ nix_dump(file, "\t\tSUBDC_EXT[0]: 0x%016lx DUBDC_EXT[1]: 0x%016lx\n", *ptr,
+ *(ptr + 1));
+ ptr += 2;
+ }
+ if (((*ptr >> 60) & 0xF) == NIX_SUBDC_AGE_AND_STATS) {
+ nix_dump(file,
+ "\t\tSUBDC_AGE_STATS[0]: 0x%016lx SUBDC_AGE_STATS[1]: 0x%016lx\n",
+ *ptr, *(ptr + 1));
+ ptr += 2;
+ }
+ if (((*ptr >> 60) & 0xF) == NIX_SUBDC_JUMP) {
+ nix_dump(file, "\t\tSUBDC_JUMP: 0x%016lx\n", *ptr);
+ ptr += 1;
+ ptr = (uint64_t *)*ptr;
+ }
+ if (((*ptr >> 60) & 0xF) == NIX_SUBDC_CRC) {
+ nix_dump(file, "\t\tSUBDC_CRC[0]: 0x%016lx SUBDC_CRC[1]: 0x%016lx\n", *ptr,
+ *(ptr + 1));
+ ptr += 2;
+ }
+ /* We are not parsing immediate send descriptor */
+ if (((*ptr >> 60) & 0xF) == NIX_SUBDC_IMM) {
+ nix_dump(file, "\t\tSUBDC_IMM: 0x%016lx ", *ptr);
+ continue;
+ }
+ while (1) {
+ if (((*ptr >> 60) & 0xF) == NIX_SUBDC_SG) {
+ nix_dump(file, "\t\tSUBDC_SG: 0x%016lx ", *ptr);
+ segs = (*ptr >> 48) & 0x3;
+ ptr += 1;
+ for (j = 0; j < segs; j++) {
+ nix_dump(file, "\t\t\t 0x%016lx ", *ptr);
+ ptr += 1;
+ }
+ if (segs == 2)
+ ptr += 1;
+ } else if (((*ptr >> 60) & 0xF) == NIX_SUBDC_SG2) {
+ nix_dump(file, "\t\tSUBDC_SG2: 0x%016lx ", *ptr);
+ ptr += 1;
+ nix_dump(file, "\t\t\t 0x%016lx ", *ptr);
+ ptr += 1;
+ } else
+ break;
+ }
+ }
+}
+
+int
+roc_nix_sq_desc_dump(struct roc_nix *roc_nix, uint16_t q, uint16_t offset, uint16_t num, FILE *file)
+{
+ int head_off, count, rc = 0, tail_off, full = 0;
+ struct nix *nix = roc_nix_to_nix_priv(roc_nix);
+ struct roc_nix_sq *sq = nix->sqs[q];
+ void *sqb_buf, *dat, *tail_sqb;
+ struct ndc_sync_op *ndc_req;
+ struct dev *dev = &nix->dev;
+ uint16_t sqes_per_sqb;
+ struct mbox *mbox;
+
+ mbox = dev->mbox;
+ /* Sync NDC-NIX-TX for LF */
+ ndc_req = mbox_alloc_msg_ndc_sync_op(mbox_get(mbox));
+ if (ndc_req == NULL) {
+ mbox_put(mbox);
+ return -EFAULT;
+ }
+
+ ndc_req->nix_lf_tx_sync = 1;
+ if (mbox_process(mbox))
+ rc |= NIX_ERR_NDC_SYNC;
+ mbox_put(mbox);
+
+ if (rc)
+ plt_err("NDC_SYNC failed rc %d", rc);
+
+ rc = nix_q_ctx_get(dev, NIX_AQ_CTYPE_SQ, q, (void *)&dat);
+ if (rc)
+ return rc;
+ if (roc_model_is_cn9k()) {
+ volatile struct nix_sq_ctx_s *ctx = (struct nix_sq_ctx_s *)dat;
+
+ if (ctx->mnq_dis || ctx->lmt_dis)
+ full = 1;
+
+ count = ctx->sqb_count;
+ sqb_buf = (void *)ctx->head_sqb;
+ tail_sqb = (void *)ctx->tail_sqb;
+ head_off = ctx->head_offset;
+ tail_off = ctx->tail_offset;
+ } else {
+ volatile struct nix_cn10k_sq_ctx_s *ctx = (struct nix_cn10k_sq_ctx_s *)dat;
+
+ if (ctx->mnq_dis || ctx->lmt_dis)
+ full = 1;
+
+ count = ctx->sqb_count;
+ sqb_buf = (void *)ctx->head_sqb;
+ tail_sqb = (void *)ctx->tail_sqb;
+ head_off = ctx->head_offset;
+ tail_off = ctx->tail_offset;
+ }
+ sqes_per_sqb = 1 << sq->sqes_per_sqb_log2;
+ while (count) {
+ void *next_sqb;
+
+ if (sqb_buf == tail_sqb) {
+ if ((head_off + offset) >= tail_off) /* Nothing to be dump */
+ return 0;
+ head_off += tail_off;
+ break;
+ } else if ((head_off + offset) >= sqes_per_sqb) {
+ next_sqb = *(void **)((uint64_t *)sqb_buf +
+ (uint32_t)((sqes_per_sqb - 1) *
+ (0x2 >> sq->max_sqe_sz) * 8));
+ /* While traffic running HW may freed/reused this SQE */
+ if (!next_sqb)
+ return 0;
+ sqb_buf = next_sqb;
+ head_off = 0;
+ count--;
+ } else {
+ head_off += offset;
+ break;
+ }
+ }
+ while (count) {
+ void *next_sqb;
+
+ if (sqb_buf == tail_sqb)
+ nix_tm_sqe_dump(sqb_buf, head_off, tail_off, sq->max_sqe_sz, file, full,
+ &num);
+ else
+ nix_tm_sqe_dump(sqb_buf, head_off, (sqes_per_sqb - 1), sq->max_sqe_sz, file,
+ full, &num);
+ if (!num)
+ break;
+ next_sqb = *(void **)((uint64_t *)sqb_buf +
+ (uint32_t)((sqes_per_sqb - 1) * (0x2 >> sq->max_sqe_sz) * 8));
+ /* While traffic running HW may freed/reused this SQE */
+ if (!next_sqb)
+ return 0;
+ sqb_buf = next_sqb;
+ head_off = 0;
+ count--;
+ }
+
+ return 0;
+}
diff --git a/drivers/common/cnxk/version.map b/drivers/common/cnxk/version.map
index a7402d9941..05432ad245 100644
--- a/drivers/common/cnxk/version.map
+++ b/drivers/common/cnxk/version.map
@@ -340,6 +340,7 @@ INTERNAL {
roc_nix_rx_drop_re_set;
roc_nix_rx_queue_intr_disable;
roc_nix_rx_queue_intr_enable;
+ roc_nix_sq_desc_dump;
roc_nix_sq_dump;
roc_nix_sq_ena_dis;
roc_nix_sq_fini;
--
2.25.1