rvu_debugfs.c 50.0 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
// SPDX-License-Identifier: GPL-2.0
/* Marvell OcteonTx2 RVU Admin Function driver
 *
 * Copyright (C) 2019 Marvell International Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#ifdef CONFIG_DEBUG_FS

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

#include "rvu_struct.h"
#include "rvu_reg.h"
#include "rvu.h"
21
#include "cgx.h"
22
#include "npc.h"
23 24 25

#define DEBUGFS_DIR_NAME "octeontx2"

26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47
enum {
	CGX_STAT0,
	CGX_STAT1,
	CGX_STAT2,
	CGX_STAT3,
	CGX_STAT4,
	CGX_STAT5,
	CGX_STAT6,
	CGX_STAT7,
	CGX_STAT8,
	CGX_STAT9,
	CGX_STAT10,
	CGX_STAT11,
	CGX_STAT12,
	CGX_STAT13,
	CGX_STAT14,
	CGX_STAT15,
	CGX_STAT16,
	CGX_STAT17,
	CGX_STAT18,
};

48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74
/* NIX TX stats */
enum nix_stat_lf_tx {
	TX_UCAST	= 0x0,
	TX_BCAST	= 0x1,
	TX_MCAST	= 0x2,
	TX_DROP		= 0x3,
	TX_OCTS		= 0x4,
	TX_STATS_ENUM_LAST,
};

/* NIX RX stats */
enum nix_stat_lf_rx {
	RX_OCTS		= 0x0,
	RX_UCAST	= 0x1,
	RX_BCAST	= 0x2,
	RX_MCAST	= 0x3,
	RX_DROP		= 0x4,
	RX_DROP_OCTS	= 0x5,
	RX_FCS		= 0x6,
	RX_ERR		= 0x7,
	RX_DRP_BCAST	= 0x8,
	RX_DRP_MCAST	= 0x9,
	RX_DRP_L3BCAST	= 0xa,
	RX_DRP_L3MCAST	= 0xb,
	RX_STATS_ENUM_LAST,
};

75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111
static char *cgx_rx_stats_fields[] = {
	[CGX_STAT0]	= "Received packets",
	[CGX_STAT1]	= "Octets of received packets",
	[CGX_STAT2]	= "Received PAUSE packets",
	[CGX_STAT3]	= "Received PAUSE and control packets",
	[CGX_STAT4]	= "Filtered DMAC0 (NIX-bound) packets",
	[CGX_STAT5]	= "Filtered DMAC0 (NIX-bound) octets",
	[CGX_STAT6]	= "Packets dropped due to RX FIFO full",
	[CGX_STAT7]	= "Octets dropped due to RX FIFO full",
	[CGX_STAT8]	= "Error packets",
	[CGX_STAT9]	= "Filtered DMAC1 (NCSI-bound) packets",
	[CGX_STAT10]	= "Filtered DMAC1 (NCSI-bound) octets",
	[CGX_STAT11]	= "NCSI-bound packets dropped",
	[CGX_STAT12]	= "NCSI-bound octets dropped",
};

static char *cgx_tx_stats_fields[] = {
	[CGX_STAT0]	= "Packets dropped due to excessive collisions",
	[CGX_STAT1]	= "Packets dropped due to excessive deferral",
	[CGX_STAT2]	= "Multiple collisions before successful transmission",
	[CGX_STAT3]	= "Single collisions before successful transmission",
	[CGX_STAT4]	= "Total octets sent on the interface",
	[CGX_STAT5]	= "Total frames sent on the interface",
	[CGX_STAT6]	= "Packets sent with an octet count < 64",
	[CGX_STAT7]	= "Packets sent with an octet count == 64",
	[CGX_STAT8]	= "Packets sent with an octet count of 65–127",
	[CGX_STAT9]	= "Packets sent with an octet count of 128-255",
	[CGX_STAT10]	= "Packets sent with an octet count of 256-511",
	[CGX_STAT11]	= "Packets sent with an octet count of 512-1023",
	[CGX_STAT12]	= "Packets sent with an octet count of 1024-1518",
	[CGX_STAT13]	= "Packets sent with an octet count of > 1518",
	[CGX_STAT14]	= "Packets sent to a broadcast DMAC",
	[CGX_STAT15]	= "Packets sent to the multicast DMAC",
	[CGX_STAT16]	= "Transmit underflow and were truncated",
	[CGX_STAT17]	= "Control/PAUSE packets sent",
};

112 113 114
#define NDC_MAX_BANK(rvu, blk_addr) (rvu_read64(rvu, \
						blk_addr, NDC_AF_CONST) & 0xFF)

115
#define rvu_dbg_NULL NULL
116 117 118 119 120 121 122 123 124 125 126 127 128 129 130
#define rvu_dbg_open_NULL NULL

#define RVU_DEBUG_SEQ_FOPS(name, read_op, write_op)	\
static int rvu_dbg_open_##name(struct inode *inode, struct file *file) \
{ \
	return single_open(file, rvu_dbg_##read_op, inode->i_private); \
} \
static const struct file_operations rvu_dbg_##name##_fops = { \
	.owner		= THIS_MODULE, \
	.open		= rvu_dbg_open_##name, \
	.read		= seq_read, \
	.write		= rvu_dbg_##write_op, \
	.llseek		= seq_lseek, \
	.release	= single_release, \
}
131 132 133 134 135 136 137 138 139

#define RVU_DEBUG_FOPS(name, read_op, write_op) \
static const struct file_operations rvu_dbg_##name##_fops = { \
	.owner = THIS_MODULE, \
	.open = simple_open, \
	.read = rvu_dbg_##read_op, \
	.write = rvu_dbg_##write_op \
}

140 141
static void print_nix_qsize(struct seq_file *filp, struct rvu_pfvf *pfvf);

142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226
/* Dumps current provisioning status of all RVU block LFs */
static ssize_t rvu_dbg_rsrc_attach_status(struct file *filp,
					  char __user *buffer,
					  size_t count, loff_t *ppos)
{
	int index, off = 0, flag = 0, go_back = 0, off_prev;
	struct rvu *rvu = filp->private_data;
	int lf, pf, vf, pcifunc;
	struct rvu_block block;
	int bytes_not_copied;
	int buf_size = 2048;
	char *buf;

	/* don't allow partial reads */
	if (*ppos != 0)
		return 0;

	buf = kzalloc(buf_size, GFP_KERNEL);
	if (!buf)
		return -ENOSPC;
	off +=	scnprintf(&buf[off], buf_size - 1 - off, "\npcifunc\t\t");
	for (index = 0; index < BLK_COUNT; index++)
		if (strlen(rvu->hw->block[index].name))
			off +=	scnprintf(&buf[off], buf_size - 1 - off,
					  "%*s\t", (index - 1) * 2,
					  rvu->hw->block[index].name);
	off += scnprintf(&buf[off], buf_size - 1 - off, "\n");
	for (pf = 0; pf < rvu->hw->total_pfs; pf++) {
		for (vf = 0; vf <= rvu->hw->total_vfs; vf++) {
			pcifunc = pf << 10 | vf;
			if (!pcifunc)
				continue;

			if (vf) {
				go_back = scnprintf(&buf[off],
						    buf_size - 1 - off,
						    "PF%d:VF%d\t\t", pf,
						    vf - 1);
			} else {
				go_back = scnprintf(&buf[off],
						    buf_size - 1 - off,
						    "PF%d\t\t", pf);
			}

			off += go_back;
			for (index = 0; index < BLKTYPE_MAX; index++) {
				block = rvu->hw->block[index];
				if (!strlen(block.name))
					continue;
				off_prev = off;
				for (lf = 0; lf < block.lf.max; lf++) {
					if (block.fn_map[lf] != pcifunc)
						continue;
					flag = 1;
					off += scnprintf(&buf[off], buf_size - 1
							- off, "%3d,", lf);
				}
				if (flag && off_prev != off)
					off--;
				else
					go_back++;
				off += scnprintf(&buf[off], buf_size - 1 - off,
						"\t");
			}
			if (!flag)
				off -= go_back;
			else
				flag = 0;
			off--;
			off +=	scnprintf(&buf[off], buf_size - 1 - off, "\n");
		}
	}

	bytes_not_copied = copy_to_user(buffer, buf, off);
	kfree(buf);

	if (bytes_not_copied)
		return -EFAULT;

	*ppos = off;
	return off;
}

RVU_DEBUG_FOPS(rsrc_status, rsrc_attach_status, NULL);

227
static bool rvu_dbg_is_valid_lf(struct rvu *rvu, int blkaddr, int lf,
228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286
				u16 *pcifunc)
{
	struct rvu_block *block;
	struct rvu_hwinfo *hw;

	hw = rvu->hw;
	block = &hw->block[blkaddr];

	if (lf < 0 || lf >= block->lf.max) {
		dev_warn(rvu->dev, "Invalid LF: valid range: 0-%d\n",
			 block->lf.max - 1);
		return false;
	}

	*pcifunc = block->fn_map[lf];
	if (!*pcifunc) {
		dev_warn(rvu->dev,
			 "This LF is not attached to any RVU PFFUNC\n");
		return false;
	}
	return true;
}

static void print_npa_qsize(struct seq_file *m, struct rvu_pfvf *pfvf)
{
	char *buf;

	buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
	if (!buf)
		return;

	if (!pfvf->aura_ctx) {
		seq_puts(m, "Aura context is not initialized\n");
	} else {
		bitmap_print_to_pagebuf(false, buf, pfvf->aura_bmap,
					pfvf->aura_ctx->qsize);
		seq_printf(m, "Aura count : %d\n", pfvf->aura_ctx->qsize);
		seq_printf(m, "Aura context ena/dis bitmap : %s\n", buf);
	}

	if (!pfvf->pool_ctx) {
		seq_puts(m, "Pool context is not initialized\n");
	} else {
		bitmap_print_to_pagebuf(false, buf, pfvf->pool_bmap,
					pfvf->pool_ctx->qsize);
		seq_printf(m, "Pool count : %d\n", pfvf->pool_ctx->qsize);
		seq_printf(m, "Pool context ena/dis bitmap : %s\n", buf);
	}
	kfree(buf);
}

/* The 'qsize' entry dumps current Aura/Pool context Qsize
 * and each context's current enable/disable status in a bitmap.
 */
static int rvu_dbg_qsize_display(struct seq_file *filp, void *unsused,
				 int blktype)
{
	void (*print_qsize)(struct seq_file *filp,
			    struct rvu_pfvf *pfvf) = NULL;
287
	struct dentry *current_dir;
288 289 290 291
	struct rvu_pfvf *pfvf;
	struct rvu *rvu;
	int qsize_id;
	u16 pcifunc;
292
	int blkaddr;
293 294 295 296 297 298 299

	rvu = filp->private;
	switch (blktype) {
	case BLKTYPE_NPA:
		qsize_id = rvu->rvu_dbg.npa_qsize_id;
		print_qsize = print_npa_qsize;
		break;
300 301 302 303 304 305

	case BLKTYPE_NIX:
		qsize_id = rvu->rvu_dbg.nix_qsize_id;
		print_qsize = print_nix_qsize;
		break;

306 307 308 309
	default:
		return -EINVAL;
	}

310 311 312 313 314 315 316 317 318
	if (blktype == BLKTYPE_NPA) {
		blkaddr = BLKADDR_NPA;
	} else {
		current_dir = filp->file->f_path.dentry->d_parent;
		blkaddr = (!strcmp(current_dir->d_name.name, "nix1") ?
				   BLKADDR_NIX1 : BLKADDR_NIX0);
	}

	if (!rvu_dbg_is_valid_lf(rvu, blkaddr, qsize_id, &pcifunc))
319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334
		return -EINVAL;

	pfvf = rvu_get_pfvf(rvu, pcifunc);
	print_qsize(filp, pfvf);

	return 0;
}

static ssize_t rvu_dbg_qsize_write(struct file *filp,
				   const char __user *buffer, size_t count,
				   loff_t *ppos, int blktype)
{
	char *blk_string = (blktype == BLKTYPE_NPA) ? "npa" : "nix";
	struct seq_file *seqfile = filp->private_data;
	char *cmd_buf, *cmd_buf_tmp, *subtoken;
	struct rvu *rvu = seqfile->private;
335 336
	struct dentry *current_dir;
	int blkaddr;
337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362
	u16 pcifunc;
	int ret, lf;

	cmd_buf = memdup_user(buffer, count);
	if (IS_ERR(cmd_buf))
		return -ENOMEM;

	cmd_buf[count] = '\0';

	cmd_buf_tmp = strchr(cmd_buf, '\n');
	if (cmd_buf_tmp) {
		*cmd_buf_tmp = '\0';
		count = cmd_buf_tmp - cmd_buf + 1;
	}

	cmd_buf_tmp = cmd_buf;
	subtoken = strsep(&cmd_buf, " ");
	ret = subtoken ? kstrtoint(subtoken, 10, &lf) : -EINVAL;
	if (cmd_buf)
		ret = -EINVAL;

	if (!strncmp(subtoken, "help", 4) || ret < 0) {
		dev_info(rvu->dev, "Use echo <%s-lf > qsize\n", blk_string);
		goto qsize_write_done;
	}

363 364 365 366 367 368 369 370 371
	if (blktype == BLKTYPE_NPA) {
		blkaddr = BLKADDR_NPA;
	} else {
		current_dir = filp->f_path.dentry->d_parent;
		blkaddr = (!strcmp(current_dir->d_name.name, "nix1") ?
				   BLKADDR_NIX1 : BLKADDR_NIX0);
	}

	if (!rvu_dbg_is_valid_lf(rvu, blkaddr, lf, &pcifunc)) {
372 373 374 375 376
		ret = -EINVAL;
		goto qsize_write_done;
	}
	if (blktype  == BLKTYPE_NPA)
		rvu->rvu_dbg.npa_qsize_id = lf;
377 378
	else
		rvu->rvu_dbg.nix_qsize_id = lf;
379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513

qsize_write_done:
	kfree(cmd_buf_tmp);
	return ret ? ret : count;
}

static ssize_t rvu_dbg_npa_qsize_write(struct file *filp,
				       const char __user *buffer,
				       size_t count, loff_t *ppos)
{
	return rvu_dbg_qsize_write(filp, buffer, count, ppos,
					    BLKTYPE_NPA);
}

static int rvu_dbg_npa_qsize_display(struct seq_file *filp, void *unused)
{
	return rvu_dbg_qsize_display(filp, unused, BLKTYPE_NPA);
}

RVU_DEBUG_SEQ_FOPS(npa_qsize, npa_qsize_display, npa_qsize_write);

/* Dumps given NPA Aura's context */
static void print_npa_aura_ctx(struct seq_file *m, struct npa_aq_enq_rsp *rsp)
{
	struct npa_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: pool way mask\t%d\nW1: avg con\t\t%d\n",
		   aura->pool_way_mask, 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: nix0_bpid\t\t%d\nW2: nix1_bpid\t\t%d\n",
		   (u64)aura->count, aura->nix0_bpid, aura->nix1_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);
}

/* Dumps given NPA Pool's context */
static void print_npa_pool_ctx(struct seq_file *m, struct npa_aq_enq_rsp *rsp)
{
	struct npa_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\nW1: stack_way_mask\t%d\n",
		   pool->stack_caching, pool->stack_way_mask);
	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, "W3: op_pc \t\t%llu\n", (u64)pool->op_pc);

	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\t%d\n",
		   pool->thresh_qint_idx, pool->err_qint_idx);
}

/* Reads aura/pool's ctx from admin queue */
static int rvu_dbg_npa_ctx_display(struct seq_file *m, void *unused, int ctype)
{
	void (*print_npa_ctx)(struct seq_file *m, struct npa_aq_enq_rsp *rsp);
	struct npa_aq_enq_req aq_req;
	struct npa_aq_enq_rsp rsp;
	struct rvu_pfvf *pfvf;
	int aura, rc, max_id;
	int npalf, id, all;
	struct rvu *rvu;
	u16 pcifunc;

	rvu = m->private;

	switch (ctype) {
	case NPA_AQ_CTYPE_AURA:
		npalf = rvu->rvu_dbg.npa_aura_ctx.lf;
		id = rvu->rvu_dbg.npa_aura_ctx.id;
		all = rvu->rvu_dbg.npa_aura_ctx.all;
		break;

	case NPA_AQ_CTYPE_POOL:
		npalf = rvu->rvu_dbg.npa_pool_ctx.lf;
		id = rvu->rvu_dbg.npa_pool_ctx.id;
		all = rvu->rvu_dbg.npa_pool_ctx.all;
		break;
	default:
		return -EINVAL;
	}

514
	if (!rvu_dbg_is_valid_lf(rvu, BLKADDR_NPA, npalf, &pcifunc))
515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571
		return -EINVAL;

	pfvf = rvu_get_pfvf(rvu, pcifunc);
	if (ctype == NPA_AQ_CTYPE_AURA && !pfvf->aura_ctx) {
		seq_puts(m, "Aura context is not initialized\n");
		return -EINVAL;
	} else if (ctype == NPA_AQ_CTYPE_POOL && !pfvf->pool_ctx) {
		seq_puts(m, "Pool context is not initialized\n");
		return -EINVAL;
	}

	memset(&aq_req, 0, sizeof(struct npa_aq_enq_req));
	aq_req.hdr.pcifunc = pcifunc;
	aq_req.ctype = ctype;
	aq_req.op = NPA_AQ_INSTOP_READ;
	if (ctype == NPA_AQ_CTYPE_AURA) {
		max_id = pfvf->aura_ctx->qsize;
		print_npa_ctx = print_npa_aura_ctx;
	} else {
		max_id = pfvf->pool_ctx->qsize;
		print_npa_ctx = print_npa_pool_ctx;
	}

	if (id < 0 || id >= max_id) {
		seq_printf(m, "Invalid %s, valid range is 0-%d\n",
			   (ctype == NPA_AQ_CTYPE_AURA) ? "aura" : "pool",
			max_id - 1);
		return -EINVAL;
	}

	if (all)
		id = 0;
	else
		max_id = id + 1;

	for (aura = id; aura < max_id; aura++) {
		aq_req.aura_id = aura;
		seq_printf(m, "======%s : %d=======\n",
			   (ctype == NPA_AQ_CTYPE_AURA) ? "AURA" : "POOL",
			aq_req.aura_id);
		rc = rvu_npa_aq_enq_inst(rvu, &aq_req, &rsp);
		if (rc) {
			seq_puts(m, "Failed to read context\n");
			return -EINVAL;
		}
		print_npa_ctx(m, &rsp);
	}
	return 0;
}

static int write_npa_ctx(struct rvu *rvu, bool all,
			 int npalf, int id, int ctype)
{
	struct rvu_pfvf *pfvf;
	int max_id = 0;
	u16 pcifunc;

572
	if (!rvu_dbg_is_valid_lf(rvu, BLKADDR_NPA, npalf, &pcifunc))
573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715
		return -EINVAL;

	pfvf = rvu_get_pfvf(rvu, pcifunc);

	if (ctype == NPA_AQ_CTYPE_AURA) {
		if (!pfvf->aura_ctx) {
			dev_warn(rvu->dev, "Aura context is not initialized\n");
			return -EINVAL;
		}
		max_id = pfvf->aura_ctx->qsize;
	} else if (ctype == NPA_AQ_CTYPE_POOL) {
		if (!pfvf->pool_ctx) {
			dev_warn(rvu->dev, "Pool context is not initialized\n");
			return -EINVAL;
		}
		max_id = pfvf->pool_ctx->qsize;
	}

	if (id < 0 || id >= max_id) {
		dev_warn(rvu->dev, "Invalid %s, valid range is 0-%d\n",
			 (ctype == NPA_AQ_CTYPE_AURA) ? "aura" : "pool",
			max_id - 1);
		return -EINVAL;
	}

	switch (ctype) {
	case NPA_AQ_CTYPE_AURA:
		rvu->rvu_dbg.npa_aura_ctx.lf = npalf;
		rvu->rvu_dbg.npa_aura_ctx.id = id;
		rvu->rvu_dbg.npa_aura_ctx.all = all;
		break;

	case NPA_AQ_CTYPE_POOL:
		rvu->rvu_dbg.npa_pool_ctx.lf = npalf;
		rvu->rvu_dbg.npa_pool_ctx.id = id;
		rvu->rvu_dbg.npa_pool_ctx.all = all;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int parse_cmd_buffer_ctx(char *cmd_buf, size_t *count,
				const char __user *buffer, int *npalf,
				int *id, bool *all)
{
	int bytes_not_copied;
	char *cmd_buf_tmp;
	char *subtoken;
	int ret;

	bytes_not_copied = copy_from_user(cmd_buf, buffer, *count);
	if (bytes_not_copied)
		return -EFAULT;

	cmd_buf[*count] = '\0';
	cmd_buf_tmp = strchr(cmd_buf, '\n');

	if (cmd_buf_tmp) {
		*cmd_buf_tmp = '\0';
		*count = cmd_buf_tmp - cmd_buf + 1;
	}

	subtoken = strsep(&cmd_buf, " ");
	ret = subtoken ? kstrtoint(subtoken, 10, npalf) : -EINVAL;
	if (ret < 0)
		return ret;
	subtoken = strsep(&cmd_buf, " ");
	if (subtoken && strcmp(subtoken, "all") == 0) {
		*all = true;
	} else {
		ret = subtoken ? kstrtoint(subtoken, 10, id) : -EINVAL;
		if (ret < 0)
			return ret;
	}
	if (cmd_buf)
		return -EINVAL;
	return ret;
}

static ssize_t rvu_dbg_npa_ctx_write(struct file *filp,
				     const char __user *buffer,
				     size_t count, loff_t *ppos, int ctype)
{
	char *cmd_buf, *ctype_string = (ctype == NPA_AQ_CTYPE_AURA) ?
					"aura" : "pool";
	struct seq_file *seqfp = filp->private_data;
	struct rvu *rvu = seqfp->private;
	int npalf, id = 0, ret;
	bool all = false;

	if ((*ppos != 0) || !count)
		return -EINVAL;

	cmd_buf = kzalloc(count + 1, GFP_KERNEL);
	if (!cmd_buf)
		return count;
	ret = parse_cmd_buffer_ctx(cmd_buf, &count, buffer,
				   &npalf, &id, &all);
	if (ret < 0) {
		dev_info(rvu->dev,
			 "Usage: echo <npalf> [%s number/all] > %s_ctx\n",
			 ctype_string, ctype_string);
		goto done;
	} else {
		ret = write_npa_ctx(rvu, all, npalf, id, ctype);
	}
done:
	kfree(cmd_buf);
	return ret ? ret : count;
}

static ssize_t rvu_dbg_npa_aura_ctx_write(struct file *filp,
					  const char __user *buffer,
					  size_t count, loff_t *ppos)
{
	return rvu_dbg_npa_ctx_write(filp, buffer, count, ppos,
				     NPA_AQ_CTYPE_AURA);
}

static int rvu_dbg_npa_aura_ctx_display(struct seq_file *filp, void *unused)
{
	return rvu_dbg_npa_ctx_display(filp, unused, NPA_AQ_CTYPE_AURA);
}

RVU_DEBUG_SEQ_FOPS(npa_aura_ctx, npa_aura_ctx_display, npa_aura_ctx_write);

static ssize_t rvu_dbg_npa_pool_ctx_write(struct file *filp,
					  const char __user *buffer,
					  size_t count, loff_t *ppos)
{
	return rvu_dbg_npa_ctx_write(filp, buffer, count, ppos,
				     NPA_AQ_CTYPE_POOL);
}

static int rvu_dbg_npa_pool_ctx_display(struct seq_file *filp, void *unused)
{
	return rvu_dbg_npa_ctx_display(filp, unused, NPA_AQ_CTYPE_POOL);
}

RVU_DEBUG_SEQ_FOPS(npa_pool_ctx, npa_pool_ctx_display, npa_pool_ctx_write);

716 717 718 719
static void ndc_cache_stats(struct seq_file *s, int blk_addr,
			    int ctype, int transaction)
{
	u64 req, out_req, lat, cant_alloc;
720 721
	struct nix_hw *nix_hw;
	struct rvu *rvu;
722 723
	int port;

724 725 726 727 728 729 730
	if (blk_addr == BLKADDR_NDC_NPA0) {
		rvu = s->private;
	} else {
		nix_hw = s->private;
		rvu = nix_hw->rvu;
	}

731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772
	for (port = 0; port < NDC_MAX_PORT; port++) {
		req = rvu_read64(rvu, blk_addr, NDC_AF_PORTX_RTX_RWX_REQ_PC
						(port, ctype, transaction));
		lat = rvu_read64(rvu, blk_addr, NDC_AF_PORTX_RTX_RWX_LAT_PC
						(port, ctype, transaction));
		out_req = rvu_read64(rvu, blk_addr,
				     NDC_AF_PORTX_RTX_RWX_OSTDN_PC
				     (port, ctype, transaction));
		cant_alloc = rvu_read64(rvu, blk_addr,
					NDC_AF_PORTX_RTX_CANT_ALLOC_PC
					(port, transaction));
		seq_printf(s, "\nPort:%d\n", port);
		seq_printf(s, "\tTotal Requests:\t\t%lld\n", req);
		seq_printf(s, "\tTotal Time Taken:\t%lld cycles\n", lat);
		seq_printf(s, "\tAvg Latency:\t\t%lld cycles\n", lat / req);
		seq_printf(s, "\tOutstanding Requests:\t%lld\n", out_req);
		seq_printf(s, "\tCant Alloc Requests:\t%lld\n", cant_alloc);
	}
}

static int ndc_blk_cache_stats(struct seq_file *s, int idx, int blk_addr)
{
	seq_puts(s, "\n***** CACHE mode read stats *****\n");
	ndc_cache_stats(s, blk_addr, CACHING, NDC_READ_TRANS);
	seq_puts(s, "\n***** CACHE mode write stats *****\n");
	ndc_cache_stats(s, blk_addr, CACHING, NDC_WRITE_TRANS);
	seq_puts(s, "\n***** BY-PASS mode read stats *****\n");
	ndc_cache_stats(s, blk_addr, BYPASS, NDC_READ_TRANS);
	seq_puts(s, "\n***** BY-PASS mode write stats *****\n");
	ndc_cache_stats(s, blk_addr, BYPASS, NDC_WRITE_TRANS);
	return 0;
}

static int rvu_dbg_npa_ndc_cache_display(struct seq_file *filp, void *unused)
{
	return ndc_blk_cache_stats(filp, NPA0_U, BLKADDR_NDC_NPA0);
}

RVU_DEBUG_SEQ_FOPS(npa_ndc_cache, npa_ndc_cache_display, NULL);

static int ndc_blk_hits_miss_stats(struct seq_file *s, int idx, int blk_addr)
{
773 774
	struct nix_hw *nix_hw;
	struct rvu *rvu;
775 776
	int bank, max_bank;

777 778 779 780 781 782 783
	if (blk_addr == BLKADDR_NDC_NPA0) {
		rvu = s->private;
	} else {
		nix_hw = s->private;
		rvu = nix_hw->rvu;
	}

784 785 786 787 788 789 790 791 792 793 794 795 796 797 798
	max_bank = NDC_MAX_BANK(rvu, blk_addr);
	for (bank = 0; bank < max_bank; bank++) {
		seq_printf(s, "BANK:%d\n", bank);
		seq_printf(s, "\tHits:\t%lld\n",
			   (u64)rvu_read64(rvu, blk_addr,
			   NDC_AF_BANKX_HIT_PC(bank)));
		seq_printf(s, "\tMiss:\t%lld\n",
			   (u64)rvu_read64(rvu, blk_addr,
			    NDC_AF_BANKX_MISS_PC(bank)));
	}
	return 0;
}

static int rvu_dbg_nix_ndc_rx_cache_display(struct seq_file *filp, void *unused)
{
799 800 801 802 803 804 805 806 807
	struct nix_hw *nix_hw = filp->private;
	int blkaddr = 0;
	int ndc_idx = 0;

	blkaddr = (nix_hw->blkaddr == BLKADDR_NIX1 ?
		   BLKADDR_NDC_NIX1_RX : BLKADDR_NDC_NIX0_RX);
	ndc_idx = (nix_hw->blkaddr == BLKADDR_NIX1 ? NIX1_RX : NIX0_RX);

	return ndc_blk_cache_stats(filp, ndc_idx, blkaddr);
808 809 810 811 812 813
}

RVU_DEBUG_SEQ_FOPS(nix_ndc_rx_cache, nix_ndc_rx_cache_display, NULL);

static int rvu_dbg_nix_ndc_tx_cache_display(struct seq_file *filp, void *unused)
{
814 815 816 817 818 819 820 821 822
	struct nix_hw *nix_hw = filp->private;
	int blkaddr = 0;
	int ndc_idx = 0;

	blkaddr = (nix_hw->blkaddr == BLKADDR_NIX1 ?
		   BLKADDR_NDC_NIX1_TX : BLKADDR_NDC_NIX0_TX);
	ndc_idx = (nix_hw->blkaddr == BLKADDR_NIX1 ? NIX1_TX : NIX0_TX);

	return ndc_blk_cache_stats(filp, ndc_idx, blkaddr);
823 824 825 826 827 828 829 830 831 832 833 834 835 836 837
}

RVU_DEBUG_SEQ_FOPS(nix_ndc_tx_cache, nix_ndc_tx_cache_display, NULL);

static int rvu_dbg_npa_ndc_hits_miss_display(struct seq_file *filp,
					     void *unused)
{
	return ndc_blk_hits_miss_stats(filp, NPA0_U, BLKADDR_NDC_NPA0);
}

RVU_DEBUG_SEQ_FOPS(npa_ndc_hits_miss, npa_ndc_hits_miss_display, NULL);

static int rvu_dbg_nix_ndc_rx_hits_miss_display(struct seq_file *filp,
						void *unused)
{
838 839 840 841 842 843 844 845
	struct nix_hw *nix_hw = filp->private;
	int ndc_idx = NPA0_U;
	int blkaddr = 0;

	blkaddr = (nix_hw->blkaddr == BLKADDR_NIX1 ?
		   BLKADDR_NDC_NIX1_RX : BLKADDR_NDC_NIX0_RX);

	return ndc_blk_hits_miss_stats(filp, ndc_idx, blkaddr);
846 847 848 849 850 851 852
}

RVU_DEBUG_SEQ_FOPS(nix_ndc_rx_hits_miss, nix_ndc_rx_hits_miss_display, NULL);

static int rvu_dbg_nix_ndc_tx_hits_miss_display(struct seq_file *filp,
						void *unused)
{
853 854 855 856 857 858 859 860
	struct nix_hw *nix_hw = filp->private;
	int ndc_idx = NPA0_U;
	int blkaddr = 0;

	blkaddr = (nix_hw->blkaddr == BLKADDR_NIX1 ?
		   BLKADDR_NDC_NIX1_TX : BLKADDR_NDC_NIX0_TX);

	return ndc_blk_hits_miss_stats(filp, ndc_idx, blkaddr);
861 862 863 864
}

RVU_DEBUG_SEQ_FOPS(nix_ndc_tx_hits_miss, nix_ndc_tx_hits_miss_display, NULL);

865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026
/* Dumps given nix_sq's context */
static void print_nix_sq_ctx(struct seq_file *m, struct nix_aq_enq_rsp *rsp)
{
	struct nix_sq_ctx_s *sq_ctx = &rsp->sq;

	seq_printf(m, "W0: sqe_way_mask \t\t%d\nW0: cq \t\t\t\t%d\n",
		   sq_ctx->sqe_way_mask, sq_ctx->cq);
	seq_printf(m, "W0: sdp_mcast \t\t\t%d\nW0: substream \t\t\t0x%03x\n",
		   sq_ctx->sdp_mcast, sq_ctx->substream);
	seq_printf(m, "W0: qint_idx \t\t\t%d\nW0: ena \t\t\t%d\n\n",
		   sq_ctx->qint_idx, sq_ctx->ena);

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

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

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

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

	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, "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);
}

/* Dumps given nix_rq's context */
static void print_nix_rq_ctx(struct seq_file *m, struct nix_aq_enq_rsp *rsp)
{
	struct nix_rq_ctx_s *rq_ctx = &rsp->rq;

	seq_printf(m, "W0: wqe_aura \t\t\t%d\nW0: substream \t\t\t0x%03x\n",
		   rq_ctx->wqe_aura, rq_ctx->substream);
	seq_printf(m, "W0: cq \t\t\t\t%d\nW0: ena_wqwd \t\t\t%d\n",
		   rq_ctx->cq, rq_ctx->ena_wqwd);
	seq_printf(m, "W0: ipsech_ena \t\t\t%d\nW0: sso_ena \t\t\t%d\n",
		   rq_ctx->ipsech_ena, rq_ctx->sso_ena);
	seq_printf(m, "W0: ena \t\t\t%d\n\n", rq_ctx->ena);

	seq_printf(m, "W1: lpb_drop_ena \t\t%d\nW1: spb_drop_ena \t\t%d\n",
		   rq_ctx->lpb_drop_ena, rq_ctx->spb_drop_ena);
	seq_printf(m, "W1: xqe_drop_ena \t\t%d\nW1: wqe_caching \t\t%d\n",
		   rq_ctx->xqe_drop_ena, rq_ctx->wqe_caching);
	seq_printf(m, "W1: pb_caching \t\t\t%d\nW1: sso_tt \t\t\t%d\n",
		   rq_ctx->pb_caching, rq_ctx->sso_tt);
	seq_printf(m, "W1: sso_grp \t\t\t%d\nW1: lpb_aura \t\t\t%d\n",
		   rq_ctx->sso_grp, rq_ctx->lpb_aura);
	seq_printf(m, "W1: spb_aura \t\t\t%d\n\n", rq_ctx->spb_aura);

	seq_printf(m, "W2: xqe_hdr_split \t\t%d\nW2: xqe_imm_copy \t\t%d\n",
		   rq_ctx->xqe_hdr_split, rq_ctx->xqe_imm_copy);
	seq_printf(m, "W2: xqe_imm_size \t\t%d\nW2: later_skip \t\t\t%d\n",
		   rq_ctx->xqe_imm_size, rq_ctx->later_skip);
	seq_printf(m, "W2: first_skip \t\t\t%d\nW2: lpb_sizem1 \t\t\t%d\n",
		   rq_ctx->first_skip, rq_ctx->lpb_sizem1);
	seq_printf(m, "W2: spb_ena \t\t\t%d\nW2: wqe_skip \t\t\t%d\n",
		   rq_ctx->spb_ena, rq_ctx->wqe_skip);
	seq_printf(m, "W2: spb_sizem1 \t\t\t%d\n\n", rq_ctx->spb_sizem1);

	seq_printf(m, "W3: spb_pool_pass \t\t%d\nW3: spb_pool_drop \t\t%d\n",
		   rq_ctx->spb_pool_pass, rq_ctx->spb_pool_drop);
	seq_printf(m, "W3: spb_aura_pass \t\t%d\nW3: spb_aura_drop \t\t%d\n",
		   rq_ctx->spb_aura_pass, rq_ctx->spb_aura_drop);
	seq_printf(m, "W3: wqe_pool_pass \t\t%d\nW3: wqe_pool_drop \t\t%d\n",
		   rq_ctx->wqe_pool_pass, rq_ctx->wqe_pool_drop);
	seq_printf(m, "W3: xqe_pass \t\t\t%d\nW3: xqe_drop \t\t\t%d\n\n",
		   rq_ctx->xqe_pass, rq_ctx->xqe_drop);

	seq_printf(m, "W4: qint_idx \t\t\t%d\nW4: rq_int_ena \t\t\t%d\n",
		   rq_ctx->qint_idx, rq_ctx->rq_int_ena);
	seq_printf(m, "W4: rq_int \t\t\t%d\nW4: lpb_pool_pass \t\t%d\n",
		   rq_ctx->rq_int, rq_ctx->lpb_pool_pass);
	seq_printf(m, "W4: lpb_pool_drop \t\t%d\nW4: lpb_aura_pass \t\t%d\n",
		   rq_ctx->lpb_pool_drop, rq_ctx->lpb_aura_pass);
	seq_printf(m, "W4: lpb_aura_drop \t\t%d\n\n", rq_ctx->lpb_aura_drop);

	seq_printf(m, "W5: flow_tagw \t\t\t%d\nW5: bad_utag \t\t\t%d\n",
		   rq_ctx->flow_tagw, rq_ctx->bad_utag);
	seq_printf(m, "W5: good_utag \t\t\t%d\nW5: ltag \t\t\t%d\n\n",
		   rq_ctx->good_utag, rq_ctx->ltag);

	seq_printf(m, "W6: octs \t\t\t%llu\n\n", (u64)rq_ctx->octs);
	seq_printf(m, "W7: pkts \t\t\t%llu\n\n", (u64)rq_ctx->pkts);
	seq_printf(m, "W8: drop_octs \t\t\t%llu\n\n", (u64)rq_ctx->drop_octs);
	seq_printf(m, "W9: drop_pkts \t\t\t%llu\n\n", (u64)rq_ctx->drop_pkts);
	seq_printf(m, "W10: re_pkts \t\t\t%llu\n", (u64)rq_ctx->re_pkts);
}

/* Dumps given nix_cq's context */
static void print_nix_cq_ctx(struct seq_file *m, struct nix_aq_enq_rsp *rsp)
{
	struct nix_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, "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:caching \t\t\t%d\n",
		   cq_ctx->qsize, cq_ctx->caching);
	seq_printf(m, "W3: substream \t\t\t0x%03x\nW3: ena \t\t\t%d\n",
		   cq_ctx->substream, 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);
}

static int rvu_dbg_nix_queue_ctx_display(struct seq_file *filp,
					 void *unused, int ctype)
{
	void (*print_nix_ctx)(struct seq_file *filp,
			      struct nix_aq_enq_rsp *rsp) = NULL;
1027 1028
	struct nix_hw *nix_hw = filp->private;
	struct rvu *rvu = nix_hw->rvu;
1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059
	struct nix_aq_enq_req aq_req;
	struct nix_aq_enq_rsp rsp;
	char *ctype_string = NULL;
	int qidx, rc, max_id = 0;
	struct rvu_pfvf *pfvf;
	int nixlf, id, all;
	u16 pcifunc;

	switch (ctype) {
	case NIX_AQ_CTYPE_CQ:
		nixlf = rvu->rvu_dbg.nix_cq_ctx.lf;
		id = rvu->rvu_dbg.nix_cq_ctx.id;
		all = rvu->rvu_dbg.nix_cq_ctx.all;
		break;

	case NIX_AQ_CTYPE_SQ:
		nixlf = rvu->rvu_dbg.nix_sq_ctx.lf;
		id = rvu->rvu_dbg.nix_sq_ctx.id;
		all = rvu->rvu_dbg.nix_sq_ctx.all;
		break;

	case NIX_AQ_CTYPE_RQ:
		nixlf = rvu->rvu_dbg.nix_rq_ctx.lf;
		id = rvu->rvu_dbg.nix_rq_ctx.id;
		all = rvu->rvu_dbg.nix_rq_ctx.all;
		break;

	default:
		return -EINVAL;
	}

1060
	if (!rvu_dbg_is_valid_lf(rvu, nix_hw->blkaddr, nixlf, &pcifunc))
1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111
		return -EINVAL;

	pfvf = rvu_get_pfvf(rvu, pcifunc);
	if (ctype == NIX_AQ_CTYPE_SQ && !pfvf->sq_ctx) {
		seq_puts(filp, "SQ context is not initialized\n");
		return -EINVAL;
	} else if (ctype == NIX_AQ_CTYPE_RQ && !pfvf->rq_ctx) {
		seq_puts(filp, "RQ context is not initialized\n");
		return -EINVAL;
	} else if (ctype == NIX_AQ_CTYPE_CQ && !pfvf->cq_ctx) {
		seq_puts(filp, "CQ context is not initialized\n");
		return -EINVAL;
	}

	if (ctype == NIX_AQ_CTYPE_SQ) {
		max_id = pfvf->sq_ctx->qsize;
		ctype_string = "sq";
		print_nix_ctx = print_nix_sq_ctx;
	} else if (ctype == NIX_AQ_CTYPE_RQ) {
		max_id = pfvf->rq_ctx->qsize;
		ctype_string = "rq";
		print_nix_ctx = print_nix_rq_ctx;
	} else if (ctype == NIX_AQ_CTYPE_CQ) {
		max_id = pfvf->cq_ctx->qsize;
		ctype_string = "cq";
		print_nix_ctx = print_nix_cq_ctx;
	}

	memset(&aq_req, 0, sizeof(struct nix_aq_enq_req));
	aq_req.hdr.pcifunc = pcifunc;
	aq_req.ctype = ctype;
	aq_req.op = NIX_AQ_INSTOP_READ;
	if (all)
		id = 0;
	else
		max_id = id + 1;
	for (qidx = id; qidx < max_id; qidx++) {
		aq_req.qidx = qidx;
		seq_printf(filp, "=====%s_ctx for nixlf:%d and qidx:%d is=====\n",
			   ctype_string, nixlf, aq_req.qidx);
		rc = rvu_mbox_handler_nix_aq_enq(rvu, &aq_req, &rsp);
		if (rc) {
			seq_puts(filp, "Failed to read the context\n");
			return -EINVAL;
		}
		print_nix_ctx(filp, &rsp);
	}
	return 0;
}

static int write_nix_queue_ctx(struct rvu *rvu, bool all, int nixlf,
1112 1113
			       int id, int ctype, char *ctype_string,
			       struct seq_file *m)
1114
{
1115
	struct nix_hw *nix_hw = m->private;
1116 1117 1118 1119
	struct rvu_pfvf *pfvf;
	int max_id = 0;
	u16 pcifunc;

1120
	if (!rvu_dbg_is_valid_lf(rvu, nix_hw->blkaddr, nixlf, &pcifunc))
1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179
		return -EINVAL;

	pfvf = rvu_get_pfvf(rvu, pcifunc);

	if (ctype == NIX_AQ_CTYPE_SQ) {
		if (!pfvf->sq_ctx) {
			dev_warn(rvu->dev, "SQ context is not initialized\n");
			return -EINVAL;
		}
		max_id = pfvf->sq_ctx->qsize;
	} else if (ctype == NIX_AQ_CTYPE_RQ) {
		if (!pfvf->rq_ctx) {
			dev_warn(rvu->dev, "RQ context is not initialized\n");
			return -EINVAL;
		}
		max_id = pfvf->rq_ctx->qsize;
	} else if (ctype == NIX_AQ_CTYPE_CQ) {
		if (!pfvf->cq_ctx) {
			dev_warn(rvu->dev, "CQ context is not initialized\n");
			return -EINVAL;
		}
		max_id = pfvf->cq_ctx->qsize;
	}

	if (id < 0 || id >= max_id) {
		dev_warn(rvu->dev, "Invalid %s_ctx valid range 0-%d\n",
			 ctype_string, max_id - 1);
		return -EINVAL;
	}
	switch (ctype) {
	case NIX_AQ_CTYPE_CQ:
		rvu->rvu_dbg.nix_cq_ctx.lf = nixlf;
		rvu->rvu_dbg.nix_cq_ctx.id = id;
		rvu->rvu_dbg.nix_cq_ctx.all = all;
		break;

	case NIX_AQ_CTYPE_SQ:
		rvu->rvu_dbg.nix_sq_ctx.lf = nixlf;
		rvu->rvu_dbg.nix_sq_ctx.id = id;
		rvu->rvu_dbg.nix_sq_ctx.all = all;
		break;

	case NIX_AQ_CTYPE_RQ:
		rvu->rvu_dbg.nix_rq_ctx.lf = nixlf;
		rvu->rvu_dbg.nix_rq_ctx.id = id;
		rvu->rvu_dbg.nix_rq_ctx.all = all;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static ssize_t rvu_dbg_nix_queue_ctx_write(struct file *filp,
					   const char __user *buffer,
					   size_t count, loff_t *ppos,
					   int ctype)
{
	struct seq_file *m = filp->private_data;
1180 1181
	struct nix_hw *nix_hw = m->private;
	struct rvu *rvu = nix_hw->rvu;
1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216
	char *cmd_buf, *ctype_string;
	int nixlf, id = 0, ret;
	bool all = false;

	if ((*ppos != 0) || !count)
		return -EINVAL;

	switch (ctype) {
	case NIX_AQ_CTYPE_SQ:
		ctype_string = "sq";
		break;
	case NIX_AQ_CTYPE_RQ:
		ctype_string = "rq";
		break;
	case NIX_AQ_CTYPE_CQ:
		ctype_string = "cq";
		break;
	default:
		return -EINVAL;
	}

	cmd_buf = kzalloc(count + 1, GFP_KERNEL);

	if (!cmd_buf)
		return count;

	ret = parse_cmd_buffer_ctx(cmd_buf, &count, buffer,
				   &nixlf, &id, &all);
	if (ret < 0) {
		dev_info(rvu->dev,
			 "Usage: echo <nixlf> [%s number/all] > %s_ctx\n",
			 ctype_string, ctype_string);
		goto done;
	} else {
		ret = write_nix_queue_ctx(rvu, all, nixlf, id, ctype,
1217
					  ctype_string, m);
1218 1219 1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320
	}
done:
	kfree(cmd_buf);
	return ret ? ret : count;
}

static ssize_t rvu_dbg_nix_sq_ctx_write(struct file *filp,
					const char __user *buffer,
					size_t count, loff_t *ppos)
{
	return rvu_dbg_nix_queue_ctx_write(filp, buffer, count, ppos,
					    NIX_AQ_CTYPE_SQ);
}

static int rvu_dbg_nix_sq_ctx_display(struct seq_file *filp, void *unused)
{
	return rvu_dbg_nix_queue_ctx_display(filp, unused, NIX_AQ_CTYPE_SQ);
}

RVU_DEBUG_SEQ_FOPS(nix_sq_ctx, nix_sq_ctx_display, nix_sq_ctx_write);

static ssize_t rvu_dbg_nix_rq_ctx_write(struct file *filp,
					const char __user *buffer,
					size_t count, loff_t *ppos)
{
	return rvu_dbg_nix_queue_ctx_write(filp, buffer, count, ppos,
					    NIX_AQ_CTYPE_RQ);
}

static int rvu_dbg_nix_rq_ctx_display(struct seq_file *filp, void  *unused)
{
	return rvu_dbg_nix_queue_ctx_display(filp, unused,  NIX_AQ_CTYPE_RQ);
}

RVU_DEBUG_SEQ_FOPS(nix_rq_ctx, nix_rq_ctx_display, nix_rq_ctx_write);

static ssize_t rvu_dbg_nix_cq_ctx_write(struct file *filp,
					const char __user *buffer,
					size_t count, loff_t *ppos)
{
	return rvu_dbg_nix_queue_ctx_write(filp, buffer, count, ppos,
					    NIX_AQ_CTYPE_CQ);
}

static int rvu_dbg_nix_cq_ctx_display(struct seq_file *filp, void *unused)
{
	return rvu_dbg_nix_queue_ctx_display(filp, unused, NIX_AQ_CTYPE_CQ);
}

RVU_DEBUG_SEQ_FOPS(nix_cq_ctx, nix_cq_ctx_display, nix_cq_ctx_write);

static void print_nix_qctx_qsize(struct seq_file *filp, int qsize,
				 unsigned long *bmap, char *qtype)
{
	char *buf;

	buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
	if (!buf)
		return;

	bitmap_print_to_pagebuf(false, buf, bmap, qsize);
	seq_printf(filp, "%s context count : %d\n", qtype, qsize);
	seq_printf(filp, "%s context ena/dis bitmap : %s\n",
		   qtype, buf);
	kfree(buf);
}

static void print_nix_qsize(struct seq_file *filp, struct rvu_pfvf *pfvf)
{
	if (!pfvf->cq_ctx)
		seq_puts(filp, "cq context is not initialized\n");
	else
		print_nix_qctx_qsize(filp, pfvf->cq_ctx->qsize, pfvf->cq_bmap,
				     "cq");

	if (!pfvf->rq_ctx)
		seq_puts(filp, "rq context is not initialized\n");
	else
		print_nix_qctx_qsize(filp, pfvf->rq_ctx->qsize, pfvf->rq_bmap,
				     "rq");

	if (!pfvf->sq_ctx)
		seq_puts(filp, "sq context is not initialized\n");
	else
		print_nix_qctx_qsize(filp, pfvf->sq_ctx->qsize, pfvf->sq_bmap,
				     "sq");
}

static ssize_t rvu_dbg_nix_qsize_write(struct file *filp,
				       const char __user *buffer,
				       size_t count, loff_t *ppos)
{
	return rvu_dbg_qsize_write(filp, buffer, count, ppos,
				   BLKTYPE_NIX);
}

static int rvu_dbg_nix_qsize_display(struct seq_file *filp, void *unused)
{
	return rvu_dbg_qsize_display(filp, unused, BLKTYPE_NIX);
}

RVU_DEBUG_SEQ_FOPS(nix_qsize, nix_qsize_display, nix_qsize_write);

1321
static void rvu_dbg_nix_init(struct rvu *rvu, int blkaddr)
1322 1323
{
	const struct device *dev = &rvu->pdev->dev;
1324
	struct nix_hw *nix_hw;
1325 1326
	struct dentry *pfile;

1327
	if (!is_block_implemented(rvu->hw, blkaddr))
1328
		return;
1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345

	if (blkaddr == BLKADDR_NIX0) {
		rvu->rvu_dbg.nix = debugfs_create_dir("nix", rvu->rvu_dbg.root);
		if (!rvu->rvu_dbg.nix) {
			dev_err(rvu->dev, "create debugfs dir failed for nix\n");
			return;
		}
		nix_hw = &rvu->hw->nix[0];
	} else {
		rvu->rvu_dbg.nix = debugfs_create_dir("nix1",
						      rvu->rvu_dbg.root);
		if (!rvu->rvu_dbg.nix) {
			dev_err(rvu->dev,
				"create debugfs dir failed for nix1\n");
			return;
		}
		nix_hw = &rvu->hw->nix[1];
1346 1347
	}

1348
	pfile = debugfs_create_file("sq_ctx", 0600, rvu->rvu_dbg.nix, nix_hw,
1349 1350 1351 1352
				    &rvu_dbg_nix_sq_ctx_fops);
	if (!pfile)
		goto create_failed;

1353
	pfile = debugfs_create_file("rq_ctx", 0600, rvu->rvu_dbg.nix, nix_hw,
1354 1355 1356 1357
				    &rvu_dbg_nix_rq_ctx_fops);
	if (!pfile)
		goto create_failed;

1358
	pfile = debugfs_create_file("cq_ctx", 0600, rvu->rvu_dbg.nix, nix_hw,
1359 1360 1361 1362
				    &rvu_dbg_nix_cq_ctx_fops);
	if (!pfile)
		goto create_failed;

1363 1364
	pfile = debugfs_create_file("ndc_tx_cache", 0600, rvu->rvu_dbg.nix,
				    nix_hw, &rvu_dbg_nix_ndc_tx_cache_fops);
1365 1366 1367
	if (!pfile)
		goto create_failed;

1368 1369
	pfile = debugfs_create_file("ndc_rx_cache", 0600, rvu->rvu_dbg.nix,
				    nix_hw, &rvu_dbg_nix_ndc_rx_cache_fops);
1370 1371 1372 1373
	if (!pfile)
		goto create_failed;

	pfile = debugfs_create_file("ndc_tx_hits_miss", 0600, rvu->rvu_dbg.nix,
1374 1375
				    nix_hw,
				    &rvu_dbg_nix_ndc_tx_hits_miss_fops);
1376 1377 1378 1379
	if (!pfile)
		goto create_failed;

	pfile = debugfs_create_file("ndc_rx_hits_miss", 0600, rvu->rvu_dbg.nix,
1380 1381
				    nix_hw,
				    &rvu_dbg_nix_ndc_rx_hits_miss_fops);
1382 1383 1384
	if (!pfile)
		goto create_failed;

1385 1386 1387 1388 1389 1390 1391
	pfile = debugfs_create_file("qsize", 0600, rvu->rvu_dbg.nix, rvu,
				    &rvu_dbg_nix_qsize_fops);
	if (!pfile)
		goto create_failed;

	return;
create_failed:
1392 1393
	dev_err(dev,
		"Failed to create debugfs dir/file for NIX blk\n");
1394 1395 1396
	debugfs_remove_recursive(rvu->rvu_dbg.nix);
}

1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420
static void rvu_dbg_npa_init(struct rvu *rvu)
{
	const struct device *dev = &rvu->pdev->dev;
	struct dentry *pfile;

	rvu->rvu_dbg.npa = debugfs_create_dir("npa", rvu->rvu_dbg.root);
	if (!rvu->rvu_dbg.npa)
		return;

	pfile = debugfs_create_file("qsize", 0600, rvu->rvu_dbg.npa, rvu,
				    &rvu_dbg_npa_qsize_fops);
	if (!pfile)
		goto create_failed;

	pfile = debugfs_create_file("aura_ctx", 0600, rvu->rvu_dbg.npa, rvu,
				    &rvu_dbg_npa_aura_ctx_fops);
	if (!pfile)
		goto create_failed;

	pfile = debugfs_create_file("pool_ctx", 0600, rvu->rvu_dbg.npa, rvu,
				    &rvu_dbg_npa_pool_ctx_fops);
	if (!pfile)
		goto create_failed;

1421 1422 1423 1424 1425 1426 1427 1428 1429 1430
	pfile = debugfs_create_file("ndc_cache", 0600, rvu->rvu_dbg.npa, rvu,
				    &rvu_dbg_npa_ndc_cache_fops);
	if (!pfile)
		goto create_failed;

	pfile = debugfs_create_file("ndc_hits_miss", 0600, rvu->rvu_dbg.npa,
				    rvu, &rvu_dbg_npa_ndc_hits_miss_fops);
	if (!pfile)
		goto create_failed;

1431 1432 1433 1434 1435 1436 1437
	return;

create_failed:
	dev_err(dev, "Failed to create debugfs dir/file for NPA\n");
	debugfs_remove_recursive(rvu->rvu_dbg.npa);
}

1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457
#define PRINT_CGX_CUML_NIXRX_STATUS(idx, name)				\
	({								\
		u64 cnt;						\
		err = rvu_cgx_nix_cuml_stats(rvu, cgxd, lmac_id, (idx),	\
					     NIX_STATS_RX, &(cnt));	\
		if (!err)						\
			seq_printf(s, "%s: %llu\n", name, cnt);		\
		cnt;							\
	})

#define PRINT_CGX_CUML_NIXTX_STATUS(idx, name)			\
	({								\
		u64 cnt;						\
		err = rvu_cgx_nix_cuml_stats(rvu, cgxd, lmac_id, (idx),	\
					  NIX_STATS_TX, &(cnt));	\
		if (!err)						\
			seq_printf(s, "%s: %llu\n", name, cnt);		\
		cnt;							\
	})

1458 1459 1460 1461
static int cgx_print_stats(struct seq_file *s, int lmac_id)
{
	struct cgx_link_user_info linfo;
	void *cgxd = s->private;
1462
	u64 ucast, mcast, bcast;
1463 1464
	int stat = 0, err = 0;
	u64 tx_stat, rx_stat;
1465 1466 1467 1468 1469 1470
	struct rvu *rvu;

	rvu = pci_get_drvdata(pci_get_device(PCI_VENDOR_ID_CAVIUM,
					     PCI_DEVID_OCTEONTX2_RVU_AF, NULL));
	if (!rvu)
		return -ENODEV;
1471 1472 1473 1474 1475 1476 1477 1478 1479

	/* Link status */
	seq_puts(s, "\n=======Link Status======\n\n");
	err = cgx_get_link_info(cgxd, lmac_id, &linfo);
	if (err)
		seq_puts(s, "Failed to read link status\n");
	seq_printf(s, "\nLink is %s %d Mbps\n\n",
		   linfo.link_up ? "UP" : "DOWN", linfo.speed);

1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520
	/* Rx stats */
	seq_puts(s, "\n=======NIX RX_STATS(CGX port level)======\n\n");
	ucast = PRINT_CGX_CUML_NIXRX_STATUS(RX_UCAST, "rx_ucast_frames");
	if (err)
		return err;
	mcast = PRINT_CGX_CUML_NIXRX_STATUS(RX_MCAST, "rx_mcast_frames");
	if (err)
		return err;
	bcast = PRINT_CGX_CUML_NIXRX_STATUS(RX_BCAST, "rx_bcast_frames");
	if (err)
		return err;
	seq_printf(s, "rx_frames: %llu\n", ucast + mcast + bcast);
	PRINT_CGX_CUML_NIXRX_STATUS(RX_OCTS, "rx_bytes");
	if (err)
		return err;
	PRINT_CGX_CUML_NIXRX_STATUS(RX_DROP, "rx_drops");
	if (err)
		return err;
	PRINT_CGX_CUML_NIXRX_STATUS(RX_ERR, "rx_errors");
	if (err)
		return err;

	/* Tx stats */
	seq_puts(s, "\n=======NIX TX_STATS(CGX port level)======\n\n");
	ucast = PRINT_CGX_CUML_NIXTX_STATUS(TX_UCAST, "tx_ucast_frames");
	if (err)
		return err;
	mcast = PRINT_CGX_CUML_NIXTX_STATUS(TX_MCAST, "tx_mcast_frames");
	if (err)
		return err;
	bcast = PRINT_CGX_CUML_NIXTX_STATUS(TX_BCAST, "tx_bcast_frames");
	if (err)
		return err;
	seq_printf(s, "tx_frames: %llu\n", ucast + mcast + bcast);
	PRINT_CGX_CUML_NIXTX_STATUS(TX_OCTS, "tx_bytes");
	if (err)
		return err;
	PRINT_CGX_CUML_NIXTX_STATUS(TX_DROP, "tx_drops");
	if (err)
		return err;

1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566 1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604
	/* Rx stats */
	seq_puts(s, "\n=======CGX RX_STATS======\n\n");
	while (stat < CGX_RX_STATS_COUNT) {
		err = cgx_get_rx_stats(cgxd, lmac_id, stat, &rx_stat);
		if (err)
			return err;
		seq_printf(s, "%s: %llu\n", cgx_rx_stats_fields[stat], rx_stat);
		stat++;
	}

	/* Tx stats */
	stat = 0;
	seq_puts(s, "\n=======CGX TX_STATS======\n\n");
	while (stat < CGX_TX_STATS_COUNT) {
		err = cgx_get_tx_stats(cgxd, lmac_id, stat, &tx_stat);
		if (err)
			return err;
		seq_printf(s, "%s: %llu\n", cgx_tx_stats_fields[stat], tx_stat);
		stat++;
	}

	return err;
}

static int rvu_dbg_cgx_stat_display(struct seq_file *filp, void *unused)
{
	struct dentry *current_dir;
	int err, lmac_id;
	char *buf;

	current_dir = filp->file->f_path.dentry->d_parent;
	buf = strrchr(current_dir->d_name.name, 'c');
	if (!buf)
		return -EINVAL;

	err = kstrtoint(buf + 1, 10, &lmac_id);
	if (!err) {
		err = cgx_print_stats(filp, lmac_id);
		if (err)
			return err;
	}
	return err;
}

RVU_DEBUG_SEQ_FOPS(cgx_stat, cgx_stat_display, NULL);

static void rvu_dbg_cgx_init(struct rvu *rvu)
{
	const struct device *dev = &rvu->pdev->dev;
	struct dentry *pfile;
	int i, lmac_id;
	char dname[20];
	void *cgx;

	rvu->rvu_dbg.cgx_root = debugfs_create_dir("cgx", rvu->rvu_dbg.root);

	for (i = 0; i < cgx_get_cgxcnt_max(); i++) {
		cgx = rvu_cgx_pdata(i, rvu);
		if (!cgx)
			continue;
		/* cgx debugfs dir */
		sprintf(dname, "cgx%d", i);
		rvu->rvu_dbg.cgx = debugfs_create_dir(dname,
						      rvu->rvu_dbg.cgx_root);
		for (lmac_id = 0; lmac_id < cgx_get_lmac_cnt(cgx); lmac_id++) {
			/* lmac debugfs dir */
			sprintf(dname, "lmac%d", lmac_id);
			rvu->rvu_dbg.lmac =
				debugfs_create_dir(dname, rvu->rvu_dbg.cgx);

			pfile =	debugfs_create_file("stats", 0600,
						    rvu->rvu_dbg.lmac, cgx,
						    &rvu_dbg_cgx_stat_fops);
			if (!pfile)
				goto create_failed;
		}
	}
	return;

create_failed:
	dev_err(dev, "Failed to create debugfs dir/file for CGX\n");
	debugfs_remove_recursive(rvu->rvu_dbg.cgx_root);
}

1605 1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622 1623 1624 1625 1626 1627 1628 1629 1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642 1643 1644 1645
/* NPC debugfs APIs */
static void rvu_print_npc_mcam_info(struct seq_file *s,
				    u16 pcifunc, int blkaddr)
{
	struct rvu *rvu = s->private;
	int entry_acnt, entry_ecnt;
	int cntr_acnt, cntr_ecnt;

	/* Skip PF0 */
	if (!pcifunc)
		return;
	rvu_npc_get_mcam_entry_alloc_info(rvu, pcifunc, blkaddr,
					  &entry_acnt, &entry_ecnt);
	rvu_npc_get_mcam_counter_alloc_info(rvu, pcifunc, blkaddr,
					    &cntr_acnt, &cntr_ecnt);
	if (!entry_acnt && !cntr_acnt)
		return;

	if (!(pcifunc & RVU_PFVF_FUNC_MASK))
		seq_printf(s, "\n\t\t Device \t\t: PF%d\n",
			   rvu_get_pf(pcifunc));
	else
		seq_printf(s, "\n\t\t Device \t\t: PF%d VF%d\n",
			   rvu_get_pf(pcifunc),
			   (pcifunc & RVU_PFVF_FUNC_MASK) - 1);

	if (entry_acnt) {
		seq_printf(s, "\t\t Entries allocated \t: %d\n", entry_acnt);
		seq_printf(s, "\t\t Entries enabled \t: %d\n", entry_ecnt);
	}
	if (cntr_acnt) {
		seq_printf(s, "\t\t Counters allocated \t: %d\n", cntr_acnt);
		seq_printf(s, "\t\t Counters enabled \t: %d\n", cntr_ecnt);
	}
}

static int rvu_dbg_npc_mcam_info_display(struct seq_file *filp, void *unsued)
{
	struct rvu *rvu = filp->private;
	int pf, vf, numvfs, blkaddr;
	struct npc_mcam *mcam;
1646
	u16 pcifunc, counters;
1647 1648 1649 1650 1651 1652 1653
	u64 cfg;

	blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
	if (blkaddr < 0)
		return -ENODEV;

	mcam = &rvu->hw->mcam;
1654
	counters = rvu->hw->npc_counters;
1655 1656 1657 1658 1659 1660 1661 1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676

	seq_puts(filp, "\nNPC MCAM info:\n");
	/* MCAM keywidth on receive and transmit sides */
	cfg = rvu_read64(rvu, blkaddr, NPC_AF_INTFX_KEX_CFG(NIX_INTF_RX));
	cfg = (cfg >> 32) & 0x07;
	seq_printf(filp, "\t\t RX keywidth \t: %s\n", (cfg == NPC_MCAM_KEY_X1) ?
		   "112bits" : ((cfg == NPC_MCAM_KEY_X2) ?
		   "224bits" : "448bits"));
	cfg = rvu_read64(rvu, blkaddr, NPC_AF_INTFX_KEX_CFG(NIX_INTF_TX));
	cfg = (cfg >> 32) & 0x07;
	seq_printf(filp, "\t\t TX keywidth \t: %s\n", (cfg == NPC_MCAM_KEY_X1) ?
		   "112bits" : ((cfg == NPC_MCAM_KEY_X2) ?
		   "224bits" : "448bits"));

	mutex_lock(&mcam->lock);
	/* MCAM entries */
	seq_printf(filp, "\n\t\t MCAM entries \t: %d\n", mcam->total_entries);
	seq_printf(filp, "\t\t Reserved \t: %d\n",
		   mcam->total_entries - mcam->bmap_entries);
	seq_printf(filp, "\t\t Available \t: %d\n", mcam->bmap_fcnt);

	/* MCAM counters */
1677 1678 1679
	seq_printf(filp, "\n\t\t MCAM counters \t: %d\n", counters);
	seq_printf(filp, "\t\t Reserved \t: %d\n",
		   counters - mcam->counters.max);
1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697 1698 1699 1700 1701 1702 1703 1704 1705 1706 1707 1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756
	seq_printf(filp, "\t\t Available \t: %d\n",
		   rvu_rsrc_free_count(&mcam->counters));

	if (mcam->bmap_entries == mcam->bmap_fcnt) {
		mutex_unlock(&mcam->lock);
		return 0;
	}

	seq_puts(filp, "\n\t\t Current allocation\n");
	seq_puts(filp, "\t\t====================\n");
	for (pf = 0; pf < rvu->hw->total_pfs; pf++) {
		pcifunc = (pf << RVU_PFVF_PF_SHIFT);
		rvu_print_npc_mcam_info(filp, pcifunc, blkaddr);

		cfg = rvu_read64(rvu, BLKADDR_RVUM, RVU_PRIV_PFX_CFG(pf));
		numvfs = (cfg >> 12) & 0xFF;
		for (vf = 0; vf < numvfs; vf++) {
			pcifunc = (pf << RVU_PFVF_PF_SHIFT) | (vf + 1);
			rvu_print_npc_mcam_info(filp, pcifunc, blkaddr);
		}
	}

	mutex_unlock(&mcam->lock);
	return 0;
}

RVU_DEBUG_SEQ_FOPS(npc_mcam_info, npc_mcam_info_display, NULL);

static int rvu_dbg_npc_rx_miss_stats_display(struct seq_file *filp,
					     void *unused)
{
	struct rvu *rvu = filp->private;
	struct npc_mcam *mcam;
	int blkaddr;

	blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
	if (blkaddr < 0)
		return -ENODEV;

	mcam = &rvu->hw->mcam;

	seq_puts(filp, "\nNPC MCAM RX miss action stats\n");
	seq_printf(filp, "\t\tStat %d: \t%lld\n", mcam->rx_miss_act_cntr,
		   rvu_read64(rvu, blkaddr,
			      NPC_AF_MATCH_STATX(mcam->rx_miss_act_cntr)));

	return 0;
}

RVU_DEBUG_SEQ_FOPS(npc_rx_miss_act, npc_rx_miss_stats_display, NULL);

static void rvu_dbg_npc_init(struct rvu *rvu)
{
	const struct device *dev = &rvu->pdev->dev;
	struct dentry *pfile;

	rvu->rvu_dbg.npc = debugfs_create_dir("npc", rvu->rvu_dbg.root);
	if (!rvu->rvu_dbg.npc)
		return;

	pfile = debugfs_create_file("mcam_info", 0444, rvu->rvu_dbg.npc,
				    rvu, &rvu_dbg_npc_mcam_info_fops);
	if (!pfile)
		goto create_failed;

	pfile = debugfs_create_file("rx_miss_act_stats", 0444, rvu->rvu_dbg.npc,
				    rvu, &rvu_dbg_npc_rx_miss_act_fops);
	if (!pfile)
		goto create_failed;

	return;

create_failed:
	dev_err(dev, "Failed to create debugfs dir/file for NPC\n");
	debugfs_remove_recursive(rvu->rvu_dbg.npc);
}

1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771
void rvu_dbg_init(struct rvu *rvu)
{
	struct device *dev = &rvu->pdev->dev;
	struct dentry *pfile;

	rvu->rvu_dbg.root = debugfs_create_dir(DEBUGFS_DIR_NAME, NULL);
	if (!rvu->rvu_dbg.root) {
		dev_err(rvu->dev, "%s failed\n", __func__);
		return;
	}
	pfile = debugfs_create_file("rsrc_alloc", 0444, rvu->rvu_dbg.root, rvu,
				    &rvu_dbg_rsrc_status_fops);
	if (!pfile)
		goto create_failed;

1772
	rvu_dbg_npa_init(rvu);
1773 1774 1775
	rvu_dbg_nix_init(rvu, BLKADDR_NIX0);

	rvu_dbg_nix_init(rvu, BLKADDR_NIX1);
1776
	rvu_dbg_cgx_init(rvu);
1777
	rvu_dbg_npc_init(rvu);
1778

1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791
	return;

create_failed:
	dev_err(dev, "Failed to create debugfs dir\n");
	debugfs_remove_recursive(rvu->rvu_dbg.root);
}

void rvu_dbg_exit(struct rvu *rvu)
{
	debugfs_remove_recursive(rvu->rvu_dbg.root);
}

#endif /* CONFIG_DEBUG_FS */