Contributors: 9
Author Tokens Token Proportion Commits Commit Proportion
Ratheesh Kannoth 1308 47.36% 2 14.29%
Subbaraya Sundeep 1017 36.82% 1 7.14%
Linu Cherian 310 11.22% 1 7.14%
Christina Jacob 76 2.75% 2 14.29%
Sunil Goutham 35 1.27% 3 21.43%
Prakash Brahmajyosyula 7 0.25% 2 14.29%
Naveen Mamindlapalli 4 0.14% 1 7.14%
SrujanaChalla 3 0.11% 1 7.14%
Hariprasad Kelam 2 0.07% 1 7.14%
Total 2762 14 


// SPDX-License-Identifier: GPL-2.0
/* Marvell RVU Admin Function driver
 *
 * Copyright (C) 2024 Marvell.
 *
 */

#include <linux/fs.h>
#include <linux/debugfs.h>
#include <linux/module.h>
#include <linux/pci.h>

#include "struct.h"
#include "rvu.h"
#include "debugfs.h"
#include "cn20k/npc.h"

static int npc_mcam_layout_show(struct seq_file *s, void *unused)
{
	int i, j, sbd, idx0, idx1, vidx0, vidx1;
	struct npc_priv_t *npc_priv;
	char buf0[32], buf1[32];
	struct npc_subbank *sb;
	unsigned int bw0, bw1;
	bool v0, v1;
	int pf1, pf2;
	bool e0, e1;
	void *map;

	npc_priv = s->private;

	sbd = npc_priv->subbank_depth;

	for (i = npc_priv->num_subbanks - 1; i >= 0; i--) {
		sb = &npc_priv->sb[i];
		mutex_lock(&sb->lock);

		if (sb->flags & NPC_SUBBANK_FLAG_FREE)
			goto next;

		bw0 = bitmap_weight(sb->b0map, npc_priv->subbank_depth);
		if (sb->key_type == NPC_MCAM_KEY_X4) {
			seq_printf(s, "\n\nsubbank:%u, x4, free=%u, used=%u\n",
				   sb->idx, sb->free_cnt, bw0);

			for (j = sbd - 1; j >= 0; j--) {
				if (!test_bit(j, sb->b0map))
					continue;

				idx0 = sb->b0b + j;
				map = xa_load(&npc_priv->xa_idx2pf_map, idx0);
				pf1 = xa_to_value(map);

				map = xa_load(&npc_priv->xa_idx2vidx_map, idx0);
				if (map) {
					vidx0 = xa_to_value(map);
					snprintf(buf0, sizeof(buf0),
						 "v:%u", vidx0);
				}

				seq_printf(s, "\t%u(%#x) %s\n", idx0, pf1,
					   map ? buf0 : " ");
			}
			goto next;
		}

		bw1 = bitmap_weight(sb->b1map, npc_priv->subbank_depth);
		seq_printf(s, "\n\nsubbank:%u, x2, free=%u, used=%u\n",
			   sb->idx, sb->free_cnt, bw0 + bw1);
		seq_printf(s, "bank1(%u)\t\tbank0(%u)\n", bw1, bw0);

		for (j = sbd - 1; j >= 0; j--) {
			e0 = test_bit(j, sb->b0map);
			e1 = test_bit(j, sb->b1map);

			if (!e1 && !e0)
				continue;

			if (e1 && e0) {
				idx0 = sb->b0b + j;
				map = xa_load(&npc_priv->xa_idx2pf_map, idx0);
				pf1 = xa_to_value(map);

				map = xa_load(&npc_priv->xa_idx2vidx_map, idx0);
				v0 = !!map;
				if (v0) {
					vidx0 = xa_to_value(map);
					snprintf(buf0, sizeof(buf0), "v:%05u",
						 vidx0);
				}

				idx1 = sb->b1b + j;
				map = xa_load(&npc_priv->xa_idx2pf_map, idx1);
				pf2 = xa_to_value(map);

				map = xa_load(&npc_priv->xa_idx2vidx_map, idx1);
				v1 = !!map;
				if (v1) {
					vidx1 = xa_to_value(map);
					snprintf(buf1, sizeof(buf1), "v:%05u",
						 vidx1);
				}

				seq_printf(s, "%05u(%#x) %s\t\t%05u(%#x) %s\n",
					   idx1, pf2, v1 ? buf1 : "       ",
					   idx0, pf1, v0 ? buf0 : "       ");

				continue;
			}

			if (e0) {
				idx0 = sb->b0b + j;
				map = xa_load(&npc_priv->xa_idx2pf_map, idx0);
				pf1 = xa_to_value(map);

				map = xa_load(&npc_priv->xa_idx2vidx_map, idx0);
				if (map) {
					vidx0 = xa_to_value(map);
					snprintf(buf0, sizeof(buf0), "v:%05u",
						 vidx0);
				}

				seq_printf(s, "\t\t   \t\t%05u(%#x) %s\n", idx0,
					   pf1, map ? buf0 : " ");
				continue;
			}

			idx1 = sb->b1b + j;
			map = xa_load(&npc_priv->xa_idx2pf_map, idx1);
			pf1 = xa_to_value(map);
			map = xa_load(&npc_priv->xa_idx2vidx_map, idx1);
			if (map) {
				vidx1 = xa_to_value(map);
				snprintf(buf1, sizeof(buf1), "v:%05u", vidx1);
			}

			seq_printf(s, "%05u(%#x) %s\n", idx1, pf1,
				   map ? buf1 : " ");
		}
next:
		mutex_unlock(&sb->lock);
	}
	return 0;
}

DEFINE_SHOW_ATTRIBUTE(npc_mcam_layout);

static int npc_mcam_default_show(struct seq_file *s, void *unused)
{
	struct npc_priv_t *npc_priv;
	unsigned long index;
	u16 ptr[4], pcifunc;
	struct rvu *rvu;
	int rc, i;
	void *map;

	npc_priv = npc_priv_get();
	rvu = s->private;

	seq_puts(s, "\npcifunc\tBcast\tmcast\tpromisc\tucast\n");

	xa_for_each(&npc_priv->xa_pf_map, index, map) {
		pcifunc = index;

		for (i = 0; i < ARRAY_SIZE(ptr); i++)
			ptr[i] = USHRT_MAX;

		rc = npc_cn20k_dft_rules_idx_get(rvu, pcifunc, &ptr[0],
						 &ptr[1], &ptr[2], &ptr[3]);
		if (rc)
			continue;

		seq_printf(s, "%#x\t", pcifunc);
		for (i = 0; i < ARRAY_SIZE(ptr); i++) {
			if (ptr[i] != USHRT_MAX)
				seq_printf(s, "%u\t", ptr[i]);
			else
				seq_puts(s, "\t");
		}
		seq_puts(s, "\n");
	}

	return 0;
}
DEFINE_SHOW_ATTRIBUTE(npc_mcam_default);

static int npc_vidx2idx_map_show(struct seq_file *s, void *unused)
{
	struct npc_priv_t *npc_priv;
	unsigned long index, start;
	struct xarray *xa;
	void *map;

	npc_priv = s->private;
	start = npc_priv->bank_depth * 2;
	xa = &npc_priv->xa_vidx2idx_map;

	seq_puts(s, "\nvidx\tmcam_idx\n");

	xa_for_each_start(xa, index, map, start)
		seq_printf(s, "%lu\t%lu\n", index, xa_to_value(map));
	return 0;
}
DEFINE_SHOW_ATTRIBUTE(npc_vidx2idx_map);

static int npc_idx2vidx_map_show(struct seq_file *s, void *unused)
{
	struct npc_priv_t *npc_priv;
	unsigned long index;
	struct xarray *xa;
	void *map;

	npc_priv = s->private;
	xa = &npc_priv->xa_idx2vidx_map;

	seq_puts(s, "\nmidx\tvidx\n");

	xa_for_each(xa, index, map)
		seq_printf(s, "%lu\t%lu\n", index, xa_to_value(map));
	return 0;
}
DEFINE_SHOW_ATTRIBUTE(npc_idx2vidx_map);

static int npc_defrag_show(struct seq_file *s, void *unused)
{
	struct npc_defrag_show_node *node;
	struct npc_priv_t *npc_priv;
	u16 sbd, bdm;

	npc_priv = s->private;
	bdm = npc_priv->bank_depth - 1;
	sbd = npc_priv->subbank_depth;

	seq_puts(s, "\nold(sb)   ->    new(sb)\t\tvidx\n");

	mutex_lock(&npc_priv->lock);
	list_for_each_entry(node, &npc_priv->defrag_lh, list)
		seq_printf(s, "%u(%u)\t%u(%u)\t%u\n", node->old_midx,
			   (node->old_midx & bdm) / sbd,
			   node->new_midx,
			   (node->new_midx & bdm) / sbd,
			   node->vidx);
	mutex_unlock(&npc_priv->lock);
	return 0;
}

DEFINE_SHOW_ATTRIBUTE(npc_defrag);

int npc_cn20k_debugfs_init(struct rvu *rvu)
{
	struct npc_priv_t *npc_priv = npc_priv_get();

	debugfs_create_file("mcam_layout", 0444, rvu->rvu_dbg.npc,
			    npc_priv, &npc_mcam_layout_fops);

	debugfs_create_file("mcam_default", 0444, rvu->rvu_dbg.npc,
			    rvu, &npc_mcam_default_fops);

	debugfs_create_file("vidx2idx", 0444, rvu->rvu_dbg.npc,
			    npc_priv, &npc_vidx2idx_map_fops);

	debugfs_create_file("idx2vidx", 0444, rvu->rvu_dbg.npc,
			    npc_priv, &npc_idx2vidx_map_fops);

	debugfs_create_file("defrag", 0444, rvu->rvu_dbg.npc,
			    npc_priv, &npc_defrag_fops);

	return 0;
}

void npc_cn20k_debugfs_deinit(struct rvu *rvu)
{
	debugfs_remove_recursive(rvu->rvu_dbg.npc);
}

void print_nix_cn20k_sq_ctx(struct seq_file *m,
			    struct nix_cn20k_sq_ctx_s *sq_ctx)
{
	seq_printf(m, "W0: ena \t\t\t%d\nW0: qint_idx \t\t\t%d\n",
		   sq_ctx->ena, sq_ctx->qint_idx);
	seq_printf(m, "W0: substream \t\t\t0x%03x\nW0: sdp_mcast \t\t\t%d\n",
		   sq_ctx->substream, sq_ctx->sdp_mcast);
	seq_printf(m, "W0: cq \t\t\t\t%d\nW0: sqe_way_mask \t\t%d\n\n",
		   sq_ctx->cq, sq_ctx->sqe_way_mask);

	seq_printf(m, "W1: smq \t\t\t%d\nW1: cq_ena \t\t\t%d\nW1: xoff\t\t\t%d\n",
		   sq_ctx->smq, sq_ctx->cq_ena, sq_ctx->xoff);
	seq_printf(m, "W1: sso_ena \t\t\t%d\nW1: smq_rr_weight\t\t%d\n",
		   sq_ctx->sso_ena, sq_ctx->smq_rr_weight);
	seq_printf(m, "W1: default_chan\t\t%d\nW1: sqb_count\t\t\t%d\n\n",
		   sq_ctx->default_chan, sq_ctx->sqb_count);

	seq_printf(m, "W1: smq_rr_count_lb \t\t%d\n", sq_ctx->smq_rr_count_lb);
	seq_printf(m, "W2: smq_rr_count_ub \t\t%d\n", sq_ctx->smq_rr_count_ub);
	seq_printf(m, "W2: sqb_aura \t\t\t%d\nW2: sq_int \t\t\t%d\n",
		   sq_ctx->sqb_aura, sq_ctx->sq_int);
	seq_printf(m, "W2: sq_int_ena \t\t\t%d\nW2: sqe_stype \t\t\t%d\n",
		   sq_ctx->sq_int_ena, sq_ctx->sqe_stype);

	seq_printf(m, "W3: max_sqe_size\t\t%d\nW3: cq_limit\t\t\t%d\n",
		   sq_ctx->max_sqe_size, sq_ctx->cq_limit);
	seq_printf(m, "W3: lmt_dis \t\t\t%d\nW3: mnq_dis \t\t\t%d\n",
		   sq_ctx->lmt_dis, sq_ctx->mnq_dis);
	seq_printf(m, "W3: smq_next_sq\t\t\t%d\nW3: smq_lso_segnum\t\t%d\n",
		   sq_ctx->smq_next_sq, sq_ctx->smq_lso_segnum);
	seq_printf(m, "W3: tail_offset \t\t%d\nW3: smenq_offset\t\t%d\n",
		   sq_ctx->tail_offset, sq_ctx->smenq_offset);
	seq_printf(m, "W3: head_offset\t\t\t%d\nW3: smenq_next_sqb_vld\t\t%d\n\n",
		   sq_ctx->head_offset, sq_ctx->smenq_next_sqb_vld);

	seq_printf(m, "W3: smq_next_sq_vld\t\t%d\nW3: smq_pend\t\t\t%d\n",
		   sq_ctx->smq_next_sq_vld, sq_ctx->smq_pend);
	seq_printf(m, "W4: next_sqb \t\t\t%llx\n\n", sq_ctx->next_sqb);
	seq_printf(m, "W5: tail_sqb \t\t\t%llx\n\n", sq_ctx->tail_sqb);
	seq_printf(m, "W6: smenq_sqb \t\t\t%llx\n\n", sq_ctx->smenq_sqb);
	seq_printf(m, "W7: smenq_next_sqb \t\t%llx\n\n",
		   sq_ctx->smenq_next_sqb);

	seq_printf(m, "W8: head_sqb\t\t\t%llx\n\n", sq_ctx->head_sqb);

	seq_printf(m, "W9: vfi_lso_total\t\t%d\n", sq_ctx->vfi_lso_total);
	seq_printf(m, "W9: vfi_lso_sizem1\t\t%d\nW9: vfi_lso_sb\t\t\t%d\n",
		   sq_ctx->vfi_lso_sizem1, sq_ctx->vfi_lso_sb);
	seq_printf(m, "W9: vfi_lso_mps\t\t\t%d\nW9: vfi_lso_vlan0_ins_ena\t%d\n",
		   sq_ctx->vfi_lso_mps, sq_ctx->vfi_lso_vlan0_ins_ena);
	seq_printf(m, "W9: vfi_lso_vlan1_ins_ena\t%d\nW9: vfi_lso_vld \t\t%d\n\n",
		   sq_ctx->vfi_lso_vld, sq_ctx->vfi_lso_vlan1_ins_ena);

	seq_printf(m, "W10: scm_lso_rem \t\t%llu\n\n",
		   (u64)sq_ctx->scm_lso_rem);
	seq_printf(m, "W11: octs \t\t\t%llu\n\n", (u64)sq_ctx->octs);
	seq_printf(m, "W12: pkts \t\t\t%llu\n\n", (u64)sq_ctx->pkts);
	seq_printf(m, "W13: aged_drop_octs \t\t\t%llu\n\n",
		   (u64)sq_ctx->aged_drop_octs);
	seq_printf(m, "W13: aged_drop_pkts \t\t\t%llu\n\n",
		   (u64)sq_ctx->aged_drop_pkts);
	seq_printf(m, "W14: dropped_octs \t\t%llu\n\n",
		   (u64)sq_ctx->dropped_octs);
	seq_printf(m, "W15: dropped_pkts \t\t%llu\n\n",
		   (u64)sq_ctx->dropped_pkts);
}

void print_nix_cn20k_cq_ctx(struct seq_file *m,
			    struct nix_cn20k_aq_enq_rsp *rsp)
{
	struct nix_cn20k_cq_ctx_s *cq_ctx = &rsp->cq;

	seq_printf(m, "W0: base \t\t\t%llx\n\n", cq_ctx->base);

	seq_printf(m, "W1: wrptr \t\t\t%llx\n", (u64)cq_ctx->wrptr);
	seq_printf(m, "W1: avg_con \t\t\t%d\nW1: cint_idx \t\t\t%d\n",
		   cq_ctx->avg_con, cq_ctx->cint_idx);
	seq_printf(m, "W1: cq_err \t\t\t%d\nW1: qint_idx \t\t\t%d\n",
		   cq_ctx->cq_err, cq_ctx->qint_idx);
	seq_printf(m, "W1: bpid \t\t\t%d\nW1: bp_ena \t\t\t%d\n\n",
		   cq_ctx->bpid, cq_ctx->bp_ena);

	seq_printf(m, "W1: lbpid_high \t\t\t0x%03x\n", cq_ctx->lbpid_high);
	seq_printf(m, "W1: lbpid_med \t\t\t0x%03x\n", cq_ctx->lbpid_med);
	seq_printf(m, "W1: lbpid_low \t\t\t0x%03x\n", cq_ctx->lbpid_low);
	seq_printf(m, "(W1: lbpid) \t\t\t0x%03x\n",
		   cq_ctx->lbpid_high << 6 | cq_ctx->lbpid_med << 3 |
		   cq_ctx->lbpid_low);
	seq_printf(m, "W1: lbp_ena \t\t\t\t%d\n\n", cq_ctx->lbp_ena);

	seq_printf(m, "W2: update_time \t\t%d\nW2:avg_level \t\t\t%d\n",
		   cq_ctx->update_time, cq_ctx->avg_level);
	seq_printf(m, "W2: head \t\t\t%d\nW2:tail \t\t\t%d\n\n",
		   cq_ctx->head, cq_ctx->tail);

	seq_printf(m, "W3: cq_err_int_ena \t\t%d\nW3:cq_err_int \t\t\t%d\n",
		   cq_ctx->cq_err_int_ena, cq_ctx->cq_err_int);
	seq_printf(m, "W3: qsize \t\t\t%d\nW3:stashing \t\t\t%d\n",
		   cq_ctx->qsize, cq_ctx->stashing);

	seq_printf(m, "W3: caching \t\t\t%d\n", cq_ctx->caching);
	seq_printf(m, "W3: lbp_frac \t\t\t%d\n", cq_ctx->lbp_frac);
	seq_printf(m, "W3: stash_thresh \t\t\t%d\n",
		   cq_ctx->stash_thresh);

	seq_printf(m, "W3: msh_valid \t\t\t%d\nW3:msh_dst \t\t\t%d\n",
		   cq_ctx->msh_valid, cq_ctx->msh_dst);

	seq_printf(m, "W3: cpt_drop_err_en \t\t\t%d\n",
		   cq_ctx->cpt_drop_err_en);
	seq_printf(m, "W3: ena \t\t\t%d\n",
		   cq_ctx->ena);
	seq_printf(m, "W3: drop_ena \t\t\t%d\nW3: drop \t\t\t%d\n",
		   cq_ctx->drop_ena, cq_ctx->drop);
	seq_printf(m, "W3: bp \t\t\t\t%d\n\n", cq_ctx->bp);

	seq_printf(m, "W4: lbpid_ext \t\t\t\t%d\n\n", cq_ctx->lbpid_ext);
	seq_printf(m, "W4: bpid_ext \t\t\t\t%d\n\n", cq_ctx->bpid_ext);
}

void print_npa_cn20k_aura_ctx(struct seq_file *m,
			      struct npa_cn20k_aq_enq_rsp *rsp)
{
	struct npa_cn20k_aura_s *aura = &rsp->aura;

	seq_printf(m, "W0: Pool addr\t\t%llx\n", aura->pool_addr);

	seq_printf(m, "W1: ena\t\t\t%d\nW1: pool caching\t%d\n",
		   aura->ena, aura->pool_caching);
	seq_printf(m, "W1: avg con\t\t%d\n", aura->avg_con);
	seq_printf(m, "W1: pool drop ena\t%d\nW1: aura drop ena\t%d\n",
		   aura->pool_drop_ena, aura->aura_drop_ena);
	seq_printf(m, "W1: bp_ena\t\t%d\nW1: aura drop\t\t%d\n",
		   aura->bp_ena, aura->aura_drop);
	seq_printf(m, "W1: aura shift\t\t%d\nW1: avg_level\t\t%d\n",
		   aura->shift, aura->avg_level);

	seq_printf(m, "W2: count\t\t%llu\nW2: nix_bpid\t\t%d\n",
		   (u64)aura->count, aura->bpid);

	seq_printf(m, "W3: limit\t\t%llu\nW3: bp\t\t\t%d\nW3: fc_ena\t\t%d\n",
		   (u64)aura->limit, aura->bp, aura->fc_ena);

	seq_printf(m, "W3: fc_up_crossing\t%d\nW3: fc_stype\t\t%d\n",
		   aura->fc_up_crossing, aura->fc_stype);
	seq_printf(m, "W3: fc_hyst_bits\t%d\n", aura->fc_hyst_bits);

	seq_printf(m, "W4: fc_addr\t\t%llx\n", aura->fc_addr);

	seq_printf(m, "W5: pool_drop\t\t%d\nW5: update_time\t\t%d\n",
		   aura->pool_drop, aura->update_time);
	seq_printf(m, "W5: err_int \t\t%d\nW5: err_int_ena\t\t%d\n",
		   aura->err_int, aura->err_int_ena);
	seq_printf(m, "W5: thresh_int\t\t%d\nW5: thresh_int_ena \t%d\n",
		   aura->thresh_int, aura->thresh_int_ena);
	seq_printf(m, "W5: thresh_up\t\t%d\nW5: thresh_qint_idx\t%d\n",
		   aura->thresh_up, aura->thresh_qint_idx);
	seq_printf(m, "W5: err_qint_idx \t%d\n", aura->err_qint_idx);

	seq_printf(m, "W6: thresh\t\t%llu\n", (u64)aura->thresh);
	seq_printf(m, "W6: fc_msh_dst\t\t%d\n", aura->fc_msh_dst);
}

void print_npa_cn20k_pool_ctx(struct seq_file *m,
			      struct npa_cn20k_aq_enq_rsp *rsp)
{
	struct npa_cn20k_pool_s *pool = &rsp->pool;

	seq_printf(m, "W0: Stack base\t\t%llx\n", pool->stack_base);

	seq_printf(m, "W1: ena \t\t%d\nW1: nat_align \t\t%d\n",
		   pool->ena, pool->nat_align);
	seq_printf(m, "W1: stack_caching\t%d\n",
		   pool->stack_caching);
	seq_printf(m, "W1: buf_offset\t\t%d\nW1: buf_size\t\t%d\n",
		   pool->buf_offset, pool->buf_size);

	seq_printf(m, "W2: stack_max_pages \t%d\nW2: stack_pages\t\t%d\n",
		   pool->stack_max_pages, pool->stack_pages);

	seq_printf(m, "W4: stack_offset\t%d\nW4: shift\t\t%d\nW4: avg_level\t\t%d\n",
		   pool->stack_offset, pool->shift, pool->avg_level);
	seq_printf(m, "W4: avg_con \t\t%d\nW4: fc_ena\t\t%d\nW4: fc_stype\t\t%d\n",
		   pool->avg_con, pool->fc_ena, pool->fc_stype);
	seq_printf(m, "W4: fc_hyst_bits\t%d\nW4: fc_up_crossing\t%d\n",
		   pool->fc_hyst_bits, pool->fc_up_crossing);
	seq_printf(m, "W4: update_time\t\t%d\n", pool->update_time);

	seq_printf(m, "W5: fc_addr\t\t%llx\n", pool->fc_addr);

	seq_printf(m, "W6: ptr_start\t\t%llx\n", pool->ptr_start);

	seq_printf(m, "W7: ptr_end\t\t%llx\n", pool->ptr_end);

	seq_printf(m, "W8: err_int\t\t%d\nW8: err_int_ena\t\t%d\n",
		   pool->err_int, pool->err_int_ena);
	seq_printf(m, "W8: thresh_int\t\t%d\n", pool->thresh_int);
	seq_printf(m, "W8: thresh_int_ena\t%d\nW8: thresh_up\t\t%d\n",
		   pool->thresh_int_ena, pool->thresh_up);
	seq_printf(m, "W8: thresh_qint_idx\t%d\nW8: err_qint_idx\t%d\n",
		   pool->thresh_qint_idx, pool->err_qint_idx);
	seq_printf(m, "W8: fc_msh_dst\t\t%d\n", pool->fc_msh_dst);
}