// SPDX-License-Identifier: GPL-2.0
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/* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
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#include <linux/pci.h>
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#include <linux/netdevice.h>
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#include "ionic.h"
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#include "ionic_bus.h"
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#include "ionic_lif.h"
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#include "ionic_debugfs.h"
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#ifdef CONFIG_DEBUG_FS
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static struct dentry *ionic_dir;
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void ionic_debugfs_create(void)
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{
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ionic_dir = debugfs_create_dir(IONIC_DRV_NAME, NULL);
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}
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void ionic_debugfs_destroy(void)
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{
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debugfs_remove_recursive(ionic_dir);
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}
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void ionic_debugfs_add_dev(struct ionic *ionic)
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{
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ionic->dentry = debugfs_create_dir(ionic_bus_info(ionic), ionic_dir);
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}
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void ionic_debugfs_del_dev(struct ionic *ionic)
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{
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debugfs_remove_recursive(ionic->dentry);
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ionic->dentry = NULL;
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}
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static int identity_show(struct seq_file *seq, void *v)
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{
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struct ionic *ionic = seq->private;
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struct ionic_identity *ident;
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ident = &ionic->ident;
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seq_printf(seq, "nlifs: %d\n", ident->dev.nlifs);
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seq_printf(seq, "nintrs: %d\n", ident->dev.nintrs);
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seq_printf(seq, "ndbpgs_per_lif: %d\n", ident->dev.ndbpgs_per_lif);
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seq_printf(seq, "intr_coal_mult: %d\n", ident->dev.intr_coal_mult);
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seq_printf(seq, "intr_coal_div: %d\n", ident->dev.intr_coal_div);
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seq_printf(seq, "max_ucast_filters: %d\n", ident->lif.eth.max_ucast_filters);
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seq_printf(seq, "max_mcast_filters: %d\n", ident->lif.eth.max_mcast_filters);
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(identity);
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void ionic_debugfs_add_ident(struct ionic *ionic)
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{
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debugfs_create_file("identity", 0400, ionic->dentry,
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ionic, &identity_fops);
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}
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void ionic_debugfs_add_sizes(struct ionic *ionic)
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{
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debugfs_create_u32("nlifs", 0400, ionic->dentry,
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(u32 *)&ionic->ident.dev.nlifs);
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debugfs_create_u32("nintrs", 0400, ionic->dentry, &ionic->nintrs);
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debugfs_create_u32("ntxqs_per_lif", 0400, ionic->dentry,
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(u32 *)&ionic->ident.lif.eth.config.queue_count[IONIC_QTYPE_TXQ]);
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debugfs_create_u32("nrxqs_per_lif", 0400, ionic->dentry,
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(u32 *)&ionic->ident.lif.eth.config.queue_count[IONIC_QTYPE_RXQ]);
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}
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static int q_tail_show(struct seq_file *seq, void *v)
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{
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struct ionic_queue *q = seq->private;
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seq_printf(seq, "%d\n", q->tail_idx);
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(q_tail);
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static int q_head_show(struct seq_file *seq, void *v)
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{
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struct ionic_queue *q = seq->private;
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seq_printf(seq, "%d\n", q->head_idx);
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(q_head);
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static int cq_tail_show(struct seq_file *seq, void *v)
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{
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struct ionic_cq *cq = seq->private;
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seq_printf(seq, "%d\n", cq->tail_idx);
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(cq_tail);
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static const struct debugfs_reg32 intr_ctrl_regs[] = {
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{ .name = "coal_init", .offset = 0, },
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{ .name = "mask", .offset = 4, },
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{ .name = "credits", .offset = 8, },
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{ .name = "mask_on_assert", .offset = 12, },
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{ .name = "coal_timer", .offset = 16, },
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};
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void ionic_debugfs_add_qcq(struct ionic_lif *lif, struct ionic_qcq *qcq)
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{
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struct dentry *qcq_dentry, *q_dentry, *cq_dentry;
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struct dentry *intr_dentry, *stats_dentry;
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struct ionic_dev *idev = &lif->ionic->idev;
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struct debugfs_regset32 *intr_ctrl_regset;
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struct ionic_intr_info *intr = &qcq->intr;
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struct debugfs_blob_wrapper *desc_blob;
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struct device *dev = lif->ionic->dev;
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struct ionic_queue *q = &qcq->q;
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struct ionic_cq *cq = &qcq->cq;
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qcq_dentry = debugfs_create_dir(q->name, lif->dentry);
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if (IS_ERR_OR_NULL(qcq_dentry))
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return;
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qcq->dentry = qcq_dentry;
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debugfs_create_x64("q_base_pa", 0400, qcq_dentry, &qcq->q_base_pa);
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debugfs_create_x32("q_size", 0400, qcq_dentry, &qcq->q_size);
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debugfs_create_x64("cq_base_pa", 0400, qcq_dentry, &qcq->cq_base_pa);
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debugfs_create_x32("cq_size", 0400, qcq_dentry, &qcq->cq_size);
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debugfs_create_x64("sg_base_pa", 0400, qcq_dentry, &qcq->sg_base_pa);
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debugfs_create_x32("sg_size", 0400, qcq_dentry, &qcq->sg_size);
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q_dentry = debugfs_create_dir("q", qcq->dentry);
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debugfs_create_u32("index", 0400, q_dentry, &q->index);
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debugfs_create_u32("num_descs", 0400, q_dentry, &q->num_descs);
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debugfs_create_u32("desc_size", 0400, q_dentry, &q->desc_size);
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debugfs_create_u32("pid", 0400, q_dentry, &q->pid);
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debugfs_create_u32("qid", 0400, q_dentry, &q->hw_index);
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debugfs_create_u32("qtype", 0400, q_dentry, &q->hw_type);
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debugfs_create_u64("drop", 0400, q_dentry, &q->drop);
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debugfs_create_u64("stop", 0400, q_dentry, &q->stop);
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debugfs_create_u64("wake", 0400, q_dentry, &q->wake);
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debugfs_create_file("tail", 0400, q_dentry, q, &q_tail_fops);
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debugfs_create_file("head", 0400, q_dentry, q, &q_head_fops);
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desc_blob = devm_kzalloc(dev, sizeof(*desc_blob), GFP_KERNEL);
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if (!desc_blob)
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return;
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desc_blob->data = q->base;
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desc_blob->size = (unsigned long)q->num_descs * q->desc_size;
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debugfs_create_blob("desc_blob", 0400, q_dentry, desc_blob);
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if (qcq->flags & IONIC_QCQ_F_SG) {
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desc_blob = devm_kzalloc(dev, sizeof(*desc_blob), GFP_KERNEL);
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if (!desc_blob)
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return;
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desc_blob->data = q->sg_base;
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desc_blob->size = (unsigned long)q->num_descs * q->sg_desc_size;
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debugfs_create_blob("sg_desc_blob", 0400, q_dentry,
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desc_blob);
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}
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cq_dentry = debugfs_create_dir("cq", qcq->dentry);
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debugfs_create_x64("base_pa", 0400, cq_dentry, &cq->base_pa);
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debugfs_create_u32("num_descs", 0400, cq_dentry, &cq->num_descs);
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debugfs_create_u32("desc_size", 0400, cq_dentry, &cq->desc_size);
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debugfs_create_bool("done_color", 0400, cq_dentry, &cq->done_color);
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debugfs_create_file("tail", 0400, cq_dentry, cq, &cq_tail_fops);
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desc_blob = devm_kzalloc(dev, sizeof(*desc_blob), GFP_KERNEL);
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if (!desc_blob)
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return;
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desc_blob->data = cq->base;
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desc_blob->size = (unsigned long)cq->num_descs * cq->desc_size;
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debugfs_create_blob("desc_blob", 0400, cq_dentry, desc_blob);
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if (qcq->flags & IONIC_QCQ_F_INTR) {
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intr_dentry = debugfs_create_dir("intr", qcq->dentry);
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debugfs_create_u32("index", 0400, intr_dentry,
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&intr->index);
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debugfs_create_u32("vector", 0400, intr_dentry,
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&intr->vector);
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debugfs_create_u32("dim_coal_hw", 0400, intr_dentry,
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&intr->dim_coal_hw);
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intr_ctrl_regset = devm_kzalloc(dev, sizeof(*intr_ctrl_regset),
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GFP_KERNEL);
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if (!intr_ctrl_regset)
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return;
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intr_ctrl_regset->regs = intr_ctrl_regs;
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intr_ctrl_regset->nregs = ARRAY_SIZE(intr_ctrl_regs);
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intr_ctrl_regset->base = &idev->intr_ctrl[intr->index];
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debugfs_create_regset32("intr_ctrl", 0400, intr_dentry,
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intr_ctrl_regset);
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}
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if (qcq->flags & IONIC_QCQ_F_NOTIFYQ) {
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stats_dentry = debugfs_create_dir("notifyblock", qcq->dentry);
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debugfs_create_u64("eid", 0400, stats_dentry,
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(u64 *)&lif->info->status.eid);
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debugfs_create_u16("link_status", 0400, stats_dentry,
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(u16 *)&lif->info->status.link_status);
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debugfs_create_u32("link_speed", 0400, stats_dentry,
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(u32 *)&lif->info->status.link_speed);
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debugfs_create_u16("link_down_count", 0400, stats_dentry,
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(u16 *)&lif->info->status.link_down_count);
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}
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}
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static int netdev_show(struct seq_file *seq, void *v)
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{
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struct net_device *netdev = seq->private;
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seq_printf(seq, "%s\n", netdev->name);
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return 0;
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}
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DEFINE_SHOW_ATTRIBUTE(netdev);
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void ionic_debugfs_add_lif(struct ionic_lif *lif)
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{
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struct dentry *lif_dentry;
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lif_dentry = debugfs_create_dir(lif->name, lif->ionic->dentry);
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if (IS_ERR_OR_NULL(lif_dentry))
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return;
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lif->dentry = lif_dentry;
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debugfs_create_file("netdev", 0400, lif->dentry,
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lif->netdev, &netdev_fops);
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}
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void ionic_debugfs_del_lif(struct ionic_lif *lif)
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{
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debugfs_remove_recursive(lif->dentry);
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lif->dentry = NULL;
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}
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void ionic_debugfs_del_qcq(struct ionic_qcq *qcq)
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{
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debugfs_remove_recursive(qcq->dentry);
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qcq->dentry = NULL;
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}
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#endif
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