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1// SPDX-License-Identifier: GPL-2.02/* Copyright(c) 2023 Advanced Micro Devices, Inc */3 4#include <linux/pci.h>5 6#include "core.h"7 8static struct dentry *pdsc_dir;9 10void pdsc_debugfs_create(void)11{12 pdsc_dir = debugfs_create_dir(PDS_CORE_DRV_NAME, NULL);13}14 15void pdsc_debugfs_destroy(void)16{17 debugfs_remove_recursive(pdsc_dir);18}19 20void pdsc_debugfs_add_dev(struct pdsc *pdsc)21{22 pdsc->dentry = debugfs_create_dir(pci_name(pdsc->pdev), pdsc_dir);23 24 debugfs_create_ulong("state", 0400, pdsc->dentry, &pdsc->state);25}26 27void pdsc_debugfs_del_dev(struct pdsc *pdsc)28{29 debugfs_remove_recursive(pdsc->dentry);30 pdsc->dentry = NULL;31}32 33static int identity_show(struct seq_file *seq, void *v)34{35 struct pds_core_dev_identity *ident;36 struct pdsc *pdsc = seq->private;37 int vt;38 39 ident = &pdsc->dev_ident;40 41 seq_printf(seq, "fw_heartbeat: 0x%x\n",42 ioread32(&pdsc->info_regs->fw_heartbeat));43 44 seq_printf(seq, "nlifs: %d\n",45 le32_to_cpu(ident->nlifs));46 seq_printf(seq, "nintrs: %d\n",47 le32_to_cpu(ident->nintrs));48 seq_printf(seq, "ndbpgs_per_lif: %d\n",49 le32_to_cpu(ident->ndbpgs_per_lif));50 seq_printf(seq, "intr_coal_mult: %d\n",51 le32_to_cpu(ident->intr_coal_mult));52 seq_printf(seq, "intr_coal_div: %d\n",53 le32_to_cpu(ident->intr_coal_div));54 55 seq_puts(seq, "vif_types: ");56 for (vt = 0; vt < PDS_DEV_TYPE_MAX; vt++)57 seq_printf(seq, "%d ",58 le16_to_cpu(pdsc->dev_ident.vif_types[vt]));59 seq_puts(seq, "\n");60 61 return 0;62}63DEFINE_SHOW_ATTRIBUTE(identity);64 65void pdsc_debugfs_add_ident(struct pdsc *pdsc)66{67 /* This file will already exist in the reset flow */68 if (debugfs_lookup("identity", pdsc->dentry))69 return;70 71 debugfs_create_file("identity", 0400, pdsc->dentry,72 pdsc, &identity_fops);73}74 75static int viftype_show(struct seq_file *seq, void *v)76{77 struct pdsc *pdsc = seq->private;78 int vt;79 80 for (vt = 0; vt < PDS_DEV_TYPE_MAX; vt++) {81 if (!pdsc->viftype_status[vt].name)82 continue;83 84 seq_printf(seq, "%s\t%d supported %d enabled\n",85 pdsc->viftype_status[vt].name,86 pdsc->viftype_status[vt].supported,87 pdsc->viftype_status[vt].enabled);88 }89 return 0;90}91DEFINE_SHOW_ATTRIBUTE(viftype);92 93void pdsc_debugfs_add_viftype(struct pdsc *pdsc)94{95 debugfs_create_file("viftypes", 0400, pdsc->dentry,96 pdsc, &viftype_fops);97}98 99static const struct debugfs_reg32 intr_ctrl_regs[] = {100 { .name = "coal_init", .offset = 0, },101 { .name = "mask", .offset = 4, },102 { .name = "credits", .offset = 8, },103 { .name = "mask_on_assert", .offset = 12, },104 { .name = "coal_timer", .offset = 16, },105};106 107void pdsc_debugfs_add_qcq(struct pdsc *pdsc, struct pdsc_qcq *qcq)108{109 struct dentry *qcq_dentry, *q_dentry, *cq_dentry, *intr_dentry;110 struct debugfs_regset32 *intr_ctrl_regset;111 struct pdsc_queue *q = &qcq->q;112 struct pdsc_cq *cq = &qcq->cq;113 114 qcq_dentry = debugfs_create_dir(q->name, pdsc->dentry);115 if (IS_ERR(qcq_dentry))116 return;117 qcq->dentry = qcq_dentry;118 119 debugfs_create_x64("q_base_pa", 0400, qcq_dentry, &qcq->q_base_pa);120 debugfs_create_x32("q_size", 0400, qcq_dentry, &qcq->q_size);121 debugfs_create_x64("cq_base_pa", 0400, qcq_dentry, &qcq->cq_base_pa);122 debugfs_create_x32("cq_size", 0400, qcq_dentry, &qcq->cq_size);123 debugfs_create_x32("accum_work", 0400, qcq_dentry, &qcq->accum_work);124 125 q_dentry = debugfs_create_dir("q", qcq->dentry);126 if (IS_ERR(q_dentry))127 return;128 129 debugfs_create_u32("index", 0400, q_dentry, &q->index);130 debugfs_create_u32("num_descs", 0400, q_dentry, &q->num_descs);131 debugfs_create_u32("desc_size", 0400, q_dentry, &q->desc_size);132 debugfs_create_u32("pid", 0400, q_dentry, &q->pid);133 134 debugfs_create_u16("tail", 0400, q_dentry, &q->tail_idx);135 debugfs_create_u16("head", 0400, q_dentry, &q->head_idx);136 137 cq_dentry = debugfs_create_dir("cq", qcq->dentry);138 if (IS_ERR(cq_dentry))139 return;140 141 debugfs_create_x64("base_pa", 0400, cq_dentry, &cq->base_pa);142 debugfs_create_u32("num_descs", 0400, cq_dentry, &cq->num_descs);143 debugfs_create_u32("desc_size", 0400, cq_dentry, &cq->desc_size);144 debugfs_create_bool("done_color", 0400, cq_dentry, &cq->done_color);145 debugfs_create_u16("tail", 0400, cq_dentry, &cq->tail_idx);146 147 if (qcq->flags & PDS_CORE_QCQ_F_INTR) {148 struct pdsc_intr_info *intr = &pdsc->intr_info[qcq->intx];149 150 intr_dentry = debugfs_create_dir("intr", qcq->dentry);151 if (IS_ERR(intr_dentry))152 return;153 154 debugfs_create_u32("index", 0400, intr_dentry, &intr->index);155 debugfs_create_u32("vector", 0400, intr_dentry, &intr->vector);156 157 intr_ctrl_regset = kzalloc(sizeof(*intr_ctrl_regset),158 GFP_KERNEL);159 if (!intr_ctrl_regset)160 return;161 intr_ctrl_regset->regs = intr_ctrl_regs;162 intr_ctrl_regset->nregs = ARRAY_SIZE(intr_ctrl_regs);163 intr_ctrl_regset->base = &pdsc->intr_ctrl[intr->index];164 165 debugfs_create_regset32("intr_ctrl", 0400, intr_dentry,166 intr_ctrl_regset);167 }168};169 170void pdsc_debugfs_del_qcq(struct pdsc_qcq *qcq)171{172 debugfs_remove_recursive(qcq->dentry);173 qcq->dentry = NULL;174}175