| // SPDX-License-Identifier: GPL-2.0 |
| /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */ |
| |
| #include <linux/pci.h> |
| #include <linux/netdevice.h> |
| |
| #include "ionic.h" |
| #include "ionic_bus.h" |
| #include "ionic_lif.h" |
| #include "ionic_debugfs.h" |
| |
| #ifdef CONFIG_DEBUG_FS |
| |
| static struct dentry *ionic_dir; |
| |
| void ionic_debugfs_create(void) |
| { |
| ionic_dir = debugfs_create_dir(IONIC_DRV_NAME, NULL); |
| } |
| |
| void ionic_debugfs_destroy(void) |
| { |
| debugfs_remove_recursive(ionic_dir); |
| } |
| |
| void ionic_debugfs_add_dev(struct ionic *ionic) |
| { |
| ionic->dentry = debugfs_create_dir(ionic_bus_info(ionic), ionic_dir); |
| } |
| |
| void ionic_debugfs_del_dev(struct ionic *ionic) |
| { |
| debugfs_remove_recursive(ionic->dentry); |
| ionic->dentry = NULL; |
| } |
| |
| static int identity_show(struct seq_file *seq, void *v) |
| { |
| struct ionic *ionic = seq->private; |
| struct ionic_identity *ident; |
| |
| ident = &ionic->ident; |
| |
| seq_printf(seq, "nlifs: %d\n", ident->dev.nlifs); |
| seq_printf(seq, "nintrs: %d\n", ident->dev.nintrs); |
| seq_printf(seq, "ndbpgs_per_lif: %d\n", ident->dev.ndbpgs_per_lif); |
| seq_printf(seq, "intr_coal_mult: %d\n", ident->dev.intr_coal_mult); |
| seq_printf(seq, "intr_coal_div: %d\n", ident->dev.intr_coal_div); |
| |
| seq_printf(seq, "max_ucast_filters: %d\n", ident->lif.eth.max_ucast_filters); |
| seq_printf(seq, "max_mcast_filters: %d\n", ident->lif.eth.max_mcast_filters); |
| |
| return 0; |
| } |
| DEFINE_SHOW_ATTRIBUTE(identity); |
| |
| void ionic_debugfs_add_ident(struct ionic *ionic) |
| { |
| debugfs_create_file("identity", 0400, ionic->dentry, |
| ionic, &identity_fops); |
| } |
| |
| void ionic_debugfs_add_sizes(struct ionic *ionic) |
| { |
| debugfs_create_u32("nlifs", 0400, ionic->dentry, |
| (u32 *)&ionic->ident.dev.nlifs); |
| debugfs_create_u32("nintrs", 0400, ionic->dentry, &ionic->nintrs); |
| |
| debugfs_create_u32("ntxqs_per_lif", 0400, ionic->dentry, |
| (u32 *)&ionic->ident.lif.eth.config.queue_count[IONIC_QTYPE_TXQ]); |
| debugfs_create_u32("nrxqs_per_lif", 0400, ionic->dentry, |
| (u32 *)&ionic->ident.lif.eth.config.queue_count[IONIC_QTYPE_RXQ]); |
| } |
| |
| static int q_tail_show(struct seq_file *seq, void *v) |
| { |
| struct ionic_queue *q = seq->private; |
| |
| seq_printf(seq, "%d\n", q->tail_idx); |
| |
| return 0; |
| } |
| DEFINE_SHOW_ATTRIBUTE(q_tail); |
| |
| static int q_head_show(struct seq_file *seq, void *v) |
| { |
| struct ionic_queue *q = seq->private; |
| |
| seq_printf(seq, "%d\n", q->head_idx); |
| |
| return 0; |
| } |
| DEFINE_SHOW_ATTRIBUTE(q_head); |
| |
| static int cq_tail_show(struct seq_file *seq, void *v) |
| { |
| struct ionic_cq *cq = seq->private; |
| |
| seq_printf(seq, "%d\n", cq->tail_idx); |
| |
| return 0; |
| } |
| DEFINE_SHOW_ATTRIBUTE(cq_tail); |
| |
| static const struct debugfs_reg32 intr_ctrl_regs[] = { |
| { .name = "coal_init", .offset = 0, }, |
| { .name = "mask", .offset = 4, }, |
| { .name = "credits", .offset = 8, }, |
| { .name = "mask_on_assert", .offset = 12, }, |
| { .name = "coal_timer", .offset = 16, }, |
| }; |
| |
| void ionic_debugfs_add_qcq(struct ionic_lif *lif, struct ionic_qcq *qcq) |
| { |
| struct dentry *qcq_dentry, *q_dentry, *cq_dentry; |
| struct dentry *intr_dentry, *stats_dentry; |
| struct ionic_dev *idev = &lif->ionic->idev; |
| struct debugfs_regset32 *intr_ctrl_regset; |
| struct ionic_intr_info *intr = &qcq->intr; |
| struct debugfs_blob_wrapper *desc_blob; |
| struct device *dev = lif->ionic->dev; |
| struct ionic_queue *q = &qcq->q; |
| struct ionic_cq *cq = &qcq->cq; |
| |
| qcq_dentry = debugfs_create_dir(q->name, lif->dentry); |
| if (IS_ERR_OR_NULL(qcq_dentry)) |
| return; |
| qcq->dentry = qcq_dentry; |
| |
| debugfs_create_x64("q_base_pa", 0400, qcq_dentry, &qcq->q_base_pa); |
| debugfs_create_x32("q_size", 0400, qcq_dentry, &qcq->q_size); |
| debugfs_create_x64("cq_base_pa", 0400, qcq_dentry, &qcq->cq_base_pa); |
| debugfs_create_x32("cq_size", 0400, qcq_dentry, &qcq->cq_size); |
| debugfs_create_x64("sg_base_pa", 0400, qcq_dentry, &qcq->sg_base_pa); |
| debugfs_create_x32("sg_size", 0400, qcq_dentry, &qcq->sg_size); |
| |
| q_dentry = debugfs_create_dir("q", qcq->dentry); |
| |
| debugfs_create_u32("index", 0400, q_dentry, &q->index); |
| debugfs_create_u32("num_descs", 0400, q_dentry, &q->num_descs); |
| debugfs_create_u32("desc_size", 0400, q_dentry, &q->desc_size); |
| debugfs_create_u32("pid", 0400, q_dentry, &q->pid); |
| debugfs_create_u32("qid", 0400, q_dentry, &q->hw_index); |
| debugfs_create_u32("qtype", 0400, q_dentry, &q->hw_type); |
| debugfs_create_u64("drop", 0400, q_dentry, &q->drop); |
| |
| debugfs_create_file("tail", 0400, q_dentry, q, &q_tail_fops); |
| debugfs_create_file("head", 0400, q_dentry, q, &q_head_fops); |
| |
| desc_blob = devm_kzalloc(dev, sizeof(*desc_blob), GFP_KERNEL); |
| if (!desc_blob) |
| return; |
| desc_blob->data = q->base; |
| desc_blob->size = (unsigned long)q->num_descs * q->desc_size; |
| debugfs_create_blob("desc_blob", 0400, q_dentry, desc_blob); |
| |
| if (qcq->flags & IONIC_QCQ_F_SG) { |
| desc_blob = devm_kzalloc(dev, sizeof(*desc_blob), GFP_KERNEL); |
| if (!desc_blob) |
| return; |
| desc_blob->data = q->sg_base; |
| desc_blob->size = (unsigned long)q->num_descs * q->sg_desc_size; |
| debugfs_create_blob("sg_desc_blob", 0400, q_dentry, |
| desc_blob); |
| } |
| |
| cq_dentry = debugfs_create_dir("cq", qcq->dentry); |
| |
| debugfs_create_x64("base_pa", 0400, cq_dentry, &cq->base_pa); |
| debugfs_create_u32("num_descs", 0400, cq_dentry, &cq->num_descs); |
| debugfs_create_u32("desc_size", 0400, cq_dentry, &cq->desc_size); |
| debugfs_create_bool("done_color", 0400, cq_dentry, &cq->done_color); |
| |
| debugfs_create_file("tail", 0400, cq_dentry, cq, &cq_tail_fops); |
| |
| desc_blob = devm_kzalloc(dev, sizeof(*desc_blob), GFP_KERNEL); |
| if (!desc_blob) |
| return; |
| desc_blob->data = cq->base; |
| desc_blob->size = (unsigned long)cq->num_descs * cq->desc_size; |
| debugfs_create_blob("desc_blob", 0400, cq_dentry, desc_blob); |
| |
| if (qcq->flags & IONIC_QCQ_F_INTR) { |
| intr_dentry = debugfs_create_dir("intr", qcq->dentry); |
| |
| debugfs_create_u32("index", 0400, intr_dentry, |
| &intr->index); |
| debugfs_create_u32("vector", 0400, intr_dentry, |
| &intr->vector); |
| debugfs_create_u32("dim_coal_hw", 0400, intr_dentry, |
| &intr->dim_coal_hw); |
| |
| intr_ctrl_regset = devm_kzalloc(dev, sizeof(*intr_ctrl_regset), |
| GFP_KERNEL); |
| if (!intr_ctrl_regset) |
| return; |
| intr_ctrl_regset->regs = intr_ctrl_regs; |
| intr_ctrl_regset->nregs = ARRAY_SIZE(intr_ctrl_regs); |
| intr_ctrl_regset->base = &idev->intr_ctrl[intr->index]; |
| |
| debugfs_create_regset32("intr_ctrl", 0400, intr_dentry, |
| intr_ctrl_regset); |
| } |
| |
| if (qcq->flags & IONIC_QCQ_F_NOTIFYQ) { |
| stats_dentry = debugfs_create_dir("notifyblock", qcq->dentry); |
| |
| debugfs_create_u64("eid", 0400, stats_dentry, |
| (u64 *)&lif->info->status.eid); |
| debugfs_create_u16("link_status", 0400, stats_dentry, |
| (u16 *)&lif->info->status.link_status); |
| debugfs_create_u32("link_speed", 0400, stats_dentry, |
| (u32 *)&lif->info->status.link_speed); |
| debugfs_create_u16("link_down_count", 0400, stats_dentry, |
| (u16 *)&lif->info->status.link_down_count); |
| } |
| } |
| |
| static int netdev_show(struct seq_file *seq, void *v) |
| { |
| struct net_device *netdev = seq->private; |
| |
| seq_printf(seq, "%s\n", netdev->name); |
| |
| return 0; |
| } |
| DEFINE_SHOW_ATTRIBUTE(netdev); |
| |
| static int lif_filters_show(struct seq_file *seq, void *v) |
| { |
| struct ionic_lif *lif = seq->private; |
| struct ionic_rx_filter *f; |
| struct hlist_head *head; |
| struct hlist_node *tmp; |
| unsigned int i; |
| |
| seq_puts(seq, "id flow state type filter\n"); |
| spin_lock_bh(&lif->rx_filters.lock); |
| for (i = 0; i < IONIC_RX_FILTER_HLISTS; i++) { |
| head = &lif->rx_filters.by_id[i]; |
| hlist_for_each_entry_safe(f, tmp, head, by_id) { |
| switch (le16_to_cpu(f->cmd.match)) { |
| case IONIC_RX_FILTER_MATCH_VLAN: |
| seq_printf(seq, "0x%04x 0x%08x 0x%02x vlan 0x%04x\n", |
| f->filter_id, f->flow_id, f->state, |
| le16_to_cpu(f->cmd.vlan.vlan)); |
| break; |
| case IONIC_RX_FILTER_MATCH_MAC: |
| seq_printf(seq, "0x%04x 0x%08x 0x%02x mac %pM\n", |
| f->filter_id, f->flow_id, f->state, |
| f->cmd.mac.addr); |
| break; |
| case IONIC_RX_FILTER_MATCH_MAC_VLAN: |
| seq_printf(seq, "0x%04x 0x%08x 0x%02x macvl 0x%04x %pM\n", |
| f->filter_id, f->flow_id, f->state, |
| le16_to_cpu(f->cmd.vlan.vlan), |
| f->cmd.mac.addr); |
| break; |
| case IONIC_RX_FILTER_STEER_PKTCLASS: |
| seq_printf(seq, "0x%04x 0x%08x 0x%02x rxstr 0x%llx\n", |
| f->filter_id, f->flow_id, f->state, |
| le64_to_cpu(f->cmd.pkt_class)); |
| break; |
| } |
| } |
| } |
| spin_unlock_bh(&lif->rx_filters.lock); |
| |
| return 0; |
| } |
| DEFINE_SHOW_ATTRIBUTE(lif_filters); |
| |
| void ionic_debugfs_add_lif(struct ionic_lif *lif) |
| { |
| struct dentry *lif_dentry; |
| |
| lif_dentry = debugfs_create_dir(lif->name, lif->ionic->dentry); |
| if (IS_ERR_OR_NULL(lif_dentry)) |
| return; |
| lif->dentry = lif_dentry; |
| |
| debugfs_create_file("netdev", 0400, lif->dentry, |
| lif->netdev, &netdev_fops); |
| debugfs_create_file("filters", 0400, lif->dentry, |
| lif, &lif_filters_fops); |
| } |
| |
| void ionic_debugfs_del_lif(struct ionic_lif *lif) |
| { |
| debugfs_remove_recursive(lif->dentry); |
| lif->dentry = NULL; |
| } |
| |
| void ionic_debugfs_del_qcq(struct ionic_qcq *qcq) |
| { |
| debugfs_remove_recursive(qcq->dentry); |
| qcq->dentry = NULL; |
| } |
| |
| #endif |