1 // SPDX-License-Identifier: GPL-2.0
2 /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
5 #include <linux/netdevice.h>
10 #include "ionic_debugfs.h"
12 #ifdef CONFIG_DEBUG_FS
14 static struct dentry *ionic_dir;
16 void ionic_debugfs_create(void)
18 ionic_dir = debugfs_create_dir(IONIC_DRV_NAME, NULL);
21 void ionic_debugfs_destroy(void)
23 debugfs_remove_recursive(ionic_dir);
26 void ionic_debugfs_add_dev(struct ionic *ionic)
28 ionic->dentry = debugfs_create_dir(ionic_bus_info(ionic), ionic_dir);
31 void ionic_debugfs_del_dev(struct ionic *ionic)
33 debugfs_remove_recursive(ionic->dentry);
37 static int identity_show(struct seq_file *seq, void *v)
39 struct ionic *ionic = seq->private;
40 struct ionic_identity *ident;
42 ident = &ionic->ident;
44 seq_printf(seq, "nlifs: %d\n", ident->dev.nlifs);
45 seq_printf(seq, "nintrs: %d\n", ident->dev.nintrs);
46 seq_printf(seq, "ndbpgs_per_lif: %d\n", ident->dev.ndbpgs_per_lif);
47 seq_printf(seq, "intr_coal_mult: %d\n", ident->dev.intr_coal_mult);
48 seq_printf(seq, "intr_coal_div: %d\n", ident->dev.intr_coal_div);
50 seq_printf(seq, "max_ucast_filters: %d\n", ident->lif.eth.max_ucast_filters);
51 seq_printf(seq, "max_mcast_filters: %d\n", ident->lif.eth.max_mcast_filters);
55 DEFINE_SHOW_ATTRIBUTE(identity);
57 void ionic_debugfs_add_ident(struct ionic *ionic)
59 debugfs_create_file("identity", 0400, ionic->dentry,
60 ionic, &identity_fops);
63 void ionic_debugfs_add_sizes(struct ionic *ionic)
65 debugfs_create_u32("nlifs", 0400, ionic->dentry,
66 (u32 *)&ionic->ident.dev.nlifs);
67 debugfs_create_u32("nintrs", 0400, ionic->dentry, &ionic->nintrs);
69 debugfs_create_u32("ntxqs_per_lif", 0400, ionic->dentry,
70 (u32 *)&ionic->ident.lif.eth.config.queue_count[IONIC_QTYPE_TXQ]);
71 debugfs_create_u32("nrxqs_per_lif", 0400, ionic->dentry,
72 (u32 *)&ionic->ident.lif.eth.config.queue_count[IONIC_QTYPE_RXQ]);
75 static int q_tail_show(struct seq_file *seq, void *v)
77 struct ionic_queue *q = seq->private;
79 seq_printf(seq, "%d\n", q->tail->index);
83 DEFINE_SHOW_ATTRIBUTE(q_tail);
85 static int q_head_show(struct seq_file *seq, void *v)
87 struct ionic_queue *q = seq->private;
89 seq_printf(seq, "%d\n", q->head->index);
93 DEFINE_SHOW_ATTRIBUTE(q_head);
95 static int cq_tail_show(struct seq_file *seq, void *v)
97 struct ionic_cq *cq = seq->private;
99 seq_printf(seq, "%d\n", cq->tail->index);
103 DEFINE_SHOW_ATTRIBUTE(cq_tail);
105 static const struct debugfs_reg32 intr_ctrl_regs[] = {
106 { .name = "coal_init", .offset = 0, },
107 { .name = "mask", .offset = 4, },
108 { .name = "credits", .offset = 8, },
109 { .name = "mask_on_assert", .offset = 12, },
110 { .name = "coal_timer", .offset = 16, },
113 void ionic_debugfs_add_qcq(struct ionic_lif *lif, struct ionic_qcq *qcq)
115 struct dentry *q_dentry, *cq_dentry, *intr_dentry, *stats_dentry;
116 struct ionic_dev *idev = &lif->ionic->idev;
117 struct debugfs_regset32 *intr_ctrl_regset;
118 struct ionic_intr_info *intr = &qcq->intr;
119 struct debugfs_blob_wrapper *desc_blob;
120 struct device *dev = lif->ionic->dev;
121 struct ionic_queue *q = &qcq->q;
122 struct ionic_cq *cq = &qcq->cq;
124 qcq->dentry = debugfs_create_dir(q->name, lif->dentry);
126 debugfs_create_x32("total_size", 0400, qcq->dentry, &qcq->total_size);
127 debugfs_create_x64("base_pa", 0400, qcq->dentry, &qcq->base_pa);
129 q_dentry = debugfs_create_dir("q", qcq->dentry);
131 debugfs_create_u32("index", 0400, q_dentry, &q->index);
132 debugfs_create_x64("base_pa", 0400, q_dentry, &q->base_pa);
133 if (qcq->flags & IONIC_QCQ_F_SG) {
134 debugfs_create_x64("sg_base_pa", 0400, q_dentry,
136 debugfs_create_u32("sg_desc_size", 0400, q_dentry,
139 debugfs_create_u32("num_descs", 0400, q_dentry, &q->num_descs);
140 debugfs_create_u32("desc_size", 0400, q_dentry, &q->desc_size);
141 debugfs_create_u32("pid", 0400, q_dentry, &q->pid);
142 debugfs_create_u32("qid", 0400, q_dentry, &q->hw_index);
143 debugfs_create_u32("qtype", 0400, q_dentry, &q->hw_type);
144 debugfs_create_u64("drop", 0400, q_dentry, &q->drop);
145 debugfs_create_u64("stop", 0400, q_dentry, &q->stop);
146 debugfs_create_u64("wake", 0400, q_dentry, &q->wake);
148 debugfs_create_file("tail", 0400, q_dentry, q, &q_tail_fops);
149 debugfs_create_file("head", 0400, q_dentry, q, &q_head_fops);
151 desc_blob = devm_kzalloc(dev, sizeof(*desc_blob), GFP_KERNEL);
154 desc_blob->data = q->base;
155 desc_blob->size = (unsigned long)q->num_descs * q->desc_size;
156 debugfs_create_blob("desc_blob", 0400, q_dentry, desc_blob);
158 if (qcq->flags & IONIC_QCQ_F_SG) {
159 desc_blob = devm_kzalloc(dev, sizeof(*desc_blob), GFP_KERNEL);
162 desc_blob->data = q->sg_base;
163 desc_blob->size = (unsigned long)q->num_descs * q->sg_desc_size;
164 debugfs_create_blob("sg_desc_blob", 0400, q_dentry,
168 cq_dentry = debugfs_create_dir("cq", qcq->dentry);
170 debugfs_create_x64("base_pa", 0400, cq_dentry, &cq->base_pa);
171 debugfs_create_u32("num_descs", 0400, cq_dentry, &cq->num_descs);
172 debugfs_create_u32("desc_size", 0400, cq_dentry, &cq->desc_size);
173 debugfs_create_bool("done_color", 0400, cq_dentry, &cq->done_color);
175 debugfs_create_file("tail", 0400, cq_dentry, cq, &cq_tail_fops);
177 desc_blob = devm_kzalloc(dev, sizeof(*desc_blob), GFP_KERNEL);
180 desc_blob->data = cq->base;
181 desc_blob->size = (unsigned long)cq->num_descs * cq->desc_size;
182 debugfs_create_blob("desc_blob", 0400, cq_dentry, desc_blob);
184 if (qcq->flags & IONIC_QCQ_F_INTR) {
185 intr_dentry = debugfs_create_dir("intr", qcq->dentry);
187 debugfs_create_u32("index", 0400, intr_dentry,
189 debugfs_create_u32("vector", 0400, intr_dentry,
192 intr_ctrl_regset = devm_kzalloc(dev, sizeof(*intr_ctrl_regset),
194 if (!intr_ctrl_regset)
196 intr_ctrl_regset->regs = intr_ctrl_regs;
197 intr_ctrl_regset->nregs = ARRAY_SIZE(intr_ctrl_regs);
198 intr_ctrl_regset->base = &idev->intr_ctrl[intr->index];
200 debugfs_create_regset32("intr_ctrl", 0400, intr_dentry,
204 if (qcq->flags & IONIC_QCQ_F_NOTIFYQ) {
205 stats_dentry = debugfs_create_dir("notifyblock", qcq->dentry);
207 debugfs_create_u64("eid", 0400, stats_dentry,
208 (u64 *)&lif->info->status.eid);
209 debugfs_create_u16("link_status", 0400, stats_dentry,
210 (u16 *)&lif->info->status.link_status);
211 debugfs_create_u32("link_speed", 0400, stats_dentry,
212 (u32 *)&lif->info->status.link_speed);
213 debugfs_create_u16("link_down_count", 0400, stats_dentry,
214 (u16 *)&lif->info->status.link_down_count);
218 static int netdev_show(struct seq_file *seq, void *v)
220 struct net_device *netdev = seq->private;
222 seq_printf(seq, "%s\n", netdev->name);
226 DEFINE_SHOW_ATTRIBUTE(netdev);
228 void ionic_debugfs_add_lif(struct ionic_lif *lif)
230 struct dentry *lif_dentry;
232 lif_dentry = debugfs_create_dir(lif->name, lif->ionic->dentry);
233 if (IS_ERR_OR_NULL(lif_dentry))
235 lif->dentry = lif_dentry;
237 debugfs_create_file("netdev", 0400, lif->dentry,
238 lif->netdev, &netdev_fops);
241 void ionic_debugfs_del_lif(struct ionic_lif *lif)
243 debugfs_remove_recursive(lif->dentry);
247 void ionic_debugfs_del_qcq(struct ionic_qcq *qcq)
249 debugfs_remove_recursive(qcq->dentry);