1// SPDX-License-Identifier: GPL-2.0 2/* 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_OR_NULL(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_OR_NULL(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_OR_NULL(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_OR_NULL(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