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Diffstat (limited to 'drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c')
-rw-r--r--drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c1711
1 files changed, 1711 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
new file mode 100644
index 000000000000..77adad4adb1b
--- /dev/null
+++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_debugfs.c
@@ -0,0 +1,1711 @@
+// 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"
+#include "cgx.h"
+#include "npc.h"
+
+#define DEBUGFS_DIR_NAME "octeontx2"
+
+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,
+};
+
+/* 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,
+};
+
+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",
+};
+
+#define NDC_MAX_BANK(rvu, blk_addr) (rvu_read64(rvu, \
+ blk_addr, NDC_AF_CONST) & 0xFF)
+
+#define rvu_dbg_NULL NULL
+#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, \
+}
+
+#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 \
+}
+
+static void print_nix_qsize(struct seq_file *filp, struct rvu_pfvf *pfvf);
+
+/* 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);
+
+static bool rvu_dbg_is_valid_lf(struct rvu *rvu, int blktype, int lf,
+ u16 *pcifunc)
+{
+ struct rvu_block *block;
+ struct rvu_hwinfo *hw;
+ int blkaddr;
+
+ blkaddr = rvu_get_blkaddr(rvu, blktype, 0);
+ if (blkaddr < 0) {
+ dev_warn(rvu->dev, "Invalid blktype\n");
+ return false;
+ }
+
+ 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;
+ struct rvu_pfvf *pfvf;
+ struct rvu *rvu;
+ int qsize_id;
+ u16 pcifunc;
+
+ rvu = filp->private;
+ switch (blktype) {
+ case BLKTYPE_NPA:
+ qsize_id = rvu->rvu_dbg.npa_qsize_id;
+ print_qsize = print_npa_qsize;
+ break;
+
+ case BLKTYPE_NIX:
+ qsize_id = rvu->rvu_dbg.nix_qsize_id;
+ print_qsize = print_nix_qsize;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ if (!rvu_dbg_is_valid_lf(rvu, blktype, qsize_id, &pcifunc))
+ 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;
+ 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;
+ }
+
+ if (!rvu_dbg_is_valid_lf(rvu, blktype, lf, &pcifunc)) {
+ ret = -EINVAL;
+ goto qsize_write_done;
+ }
+ if (blktype == BLKTYPE_NPA)
+ rvu->rvu_dbg.npa_qsize_id = lf;
+ else
+ rvu->rvu_dbg.nix_qsize_id = lf;
+
+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;
+ }
+
+ if (!rvu_dbg_is_valid_lf(rvu, BLKTYPE_NPA, npalf, &pcifunc))
+ 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;
+
+ if (!rvu_dbg_is_valid_lf(rvu, BLKTYPE_NPA, npalf, &pcifunc))
+ 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);
+
+static void ndc_cache_stats(struct seq_file *s, int blk_addr,
+ int ctype, int transaction)
+{
+ u64 req, out_req, lat, cant_alloc;
+ struct rvu *rvu = s->private;
+ int port;
+
+ 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)
+{
+ struct rvu *rvu = s->private;
+ int bank, max_bank;
+
+ 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)
+{
+ return ndc_blk_cache_stats(filp, NIX0_RX,
+ BLKADDR_NDC_NIX0_RX);
+}
+
+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)
+{
+ return ndc_blk_cache_stats(filp, NIX0_TX,
+ BLKADDR_NDC_NIX0_TX);
+}
+
+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)
+{
+ return ndc_blk_hits_miss_stats(filp,
+ NPA0_U, BLKADDR_NDC_NIX0_RX);
+}
+
+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)
+{
+ return ndc_blk_hits_miss_stats(filp,
+ NPA0_U, BLKADDR_NDC_NIX0_TX);
+}
+
+RVU_DEBUG_SEQ_FOPS(nix_ndc_tx_hits_miss, nix_ndc_tx_hits_miss_display, NULL);
+
+/* 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;
+ struct rvu *rvu = filp->private;
+ 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;
+ }
+
+ if (!rvu_dbg_is_valid_lf(rvu, BLKTYPE_NIX, nixlf, &pcifunc))
+ 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,
+ int id, int ctype, char *ctype_string)
+{
+ struct rvu_pfvf *pfvf;
+ int max_id = 0;
+ u16 pcifunc;
+
+ if (!rvu_dbg_is_valid_lf(rvu, BLKTYPE_NIX, nixlf, &pcifunc))
+ 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;
+ struct rvu *rvu = m->private;
+ 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,
+ ctype_string);
+ }
+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);
+
+static void rvu_dbg_nix_init(struct rvu *rvu)
+{
+ const struct device *dev = &rvu->pdev->dev;
+ struct dentry *pfile;
+
+ 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;
+ }
+
+ pfile = debugfs_create_file("sq_ctx", 0600, rvu->rvu_dbg.nix, rvu,
+ &rvu_dbg_nix_sq_ctx_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("rq_ctx", 0600, rvu->rvu_dbg.nix, rvu,
+ &rvu_dbg_nix_rq_ctx_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("cq_ctx", 0600, rvu->rvu_dbg.nix, rvu,
+ &rvu_dbg_nix_cq_ctx_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("ndc_tx_cache", 0600, rvu->rvu_dbg.nix, rvu,
+ &rvu_dbg_nix_ndc_tx_cache_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("ndc_rx_cache", 0600, rvu->rvu_dbg.nix, rvu,
+ &rvu_dbg_nix_ndc_rx_cache_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("ndc_tx_hits_miss", 0600, rvu->rvu_dbg.nix,
+ rvu, &rvu_dbg_nix_ndc_tx_hits_miss_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("ndc_rx_hits_miss", 0600, rvu->rvu_dbg.nix,
+ rvu, &rvu_dbg_nix_ndc_rx_hits_miss_fops);
+ if (!pfile)
+ goto create_failed;
+
+ pfile = debugfs_create_file("qsize", 0600, rvu->rvu_dbg.nix, rvu,
+ &rvu_dbg_nix_qsize_fops);
+ if (!pfile)
+ goto create_failed;
+
+ return;
+create_failed:
+ dev_err(dev, "Failed to create debugfs dir/file for NIX\n");
+ debugfs_remove_recursive(rvu->rvu_dbg.nix);
+}
+
+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;
+
+ 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;
+
+ return;
+
+create_failed:
+ dev_err(dev, "Failed to create debugfs dir/file for NPA\n");
+ debugfs_remove_recursive(rvu->rvu_dbg.npa);
+}
+
+#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; \
+ })
+
+static int cgx_print_stats(struct seq_file *s, int lmac_id)
+{
+ struct cgx_link_user_info linfo;
+ void *cgxd = s->private;
+ u64 ucast, mcast, bcast;
+ int stat = 0, err = 0;
+ u64 tx_stat, rx_stat;
+ struct rvu *rvu;
+
+ rvu = pci_get_drvdata(pci_get_device(PCI_VENDOR_ID_CAVIUM,
+ PCI_DEVID_OCTEONTX2_RVU_AF, NULL));
+ if (!rvu)
+ return -ENODEV;
+
+ /* 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);
+
+ /* 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;
+
+ /* 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);
+}
+
+/* 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;
+ u16 pcifunc;
+ u64 cfg;
+
+ blkaddr = rvu_get_blkaddr(rvu, BLKTYPE_NPC, 0);
+ if (blkaddr < 0)
+ return -ENODEV;
+
+ mcam = &rvu->hw->mcam;
+
+ 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 */
+ cfg = rvu_read64(rvu, blkaddr, NPC_AF_CONST);
+ cfg = (cfg >> 48) & 0xFFFF;
+ seq_printf(filp, "\n\t\t MCAM counters \t: %lld\n", cfg);
+ seq_printf(filp, "\t\t Reserved \t: %lld\n", cfg - mcam->counters.max);
+ 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);
+}
+
+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;
+
+ rvu_dbg_npa_init(rvu);
+ rvu_dbg_nix_init(rvu);
+ rvu_dbg_cgx_init(rvu);
+ rvu_dbg_npc_init(rvu);
+
+ 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 */