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// SPDX-License-Identifier: GPL-2.0
/* Copyright(c) 2023 Advanced Micro Devices, Inc */
#include <linux/pci.h>
#include "core.h"
static struct dentry *pdsc_dir;
void pdsc_debugfs_create(void)
{
pdsc_dir = debugfs_create_dir(PDS_CORE_DRV_NAME, NULL);
}
void pdsc_debugfs_destroy(void)
{
debugfs_remove_recursive(pdsc_dir);
}
void pdsc_debugfs_add_dev(struct pdsc *pdsc)
{
pdsc->dentry = debugfs_create_dir(pci_name(pdsc->pdev), pdsc_dir);
debugfs_create_ulong("state", 0400, pdsc->dentry, &pdsc->state);
}
void pdsc_debugfs_del_dev(struct pdsc *pdsc)
{
debugfs_remove_recursive(pdsc->dentry);
pdsc->dentry = NULL;
}
static int identity_show(struct seq_file *seq, void *v)
{
struct pds_core_dev_identity *ident;
struct pdsc *pdsc = seq->private;
int vt;
ident = &pdsc->dev_ident;
seq_printf(seq, "fw_heartbeat: 0x%x\n",
ioread32(&pdsc->info_regs->fw_heartbeat));
seq_printf(seq, "nlifs: %d\n",
le32_to_cpu(ident->nlifs));
seq_printf(seq, "nintrs: %d\n",
le32_to_cpu(ident->nintrs));
seq_printf(seq, "ndbpgs_per_lif: %d\n",
le32_to_cpu(ident->ndbpgs_per_lif));
seq_printf(seq, "intr_coal_mult: %d\n",
le32_to_cpu(ident->intr_coal_mult));
seq_printf(seq, "intr_coal_div: %d\n",
le32_to_cpu(ident->intr_coal_div));
seq_puts(seq, "vif_types: ");
for (vt = 0; vt < PDS_DEV_TYPE_MAX; vt++)
seq_printf(seq, "%d ",
le16_to_cpu(pdsc->dev_ident.vif_types[vt]));
seq_puts(seq, "\n");
return 0;
}
DEFINE_SHOW_ATTRIBUTE(identity);
void pdsc_debugfs_add_ident(struct pdsc *pdsc)
{
struct dentry *dentry;
/* This file will already exist in the reset flow */
dentry = debugfs_lookup("identity", pdsc->dentry);
if (!IS_ERR_OR_NULL(dentry)) {
dput(dentry);
return;
}
debugfs_create_file("identity", 0400, pdsc->dentry,
pdsc, &identity_fops);
}
static int viftype_show(struct seq_file *seq, void *v)
{
struct pdsc *pdsc = seq->private;
int vt;
for (vt = 0; vt < PDS_DEV_TYPE_MAX; vt++) {
if (!pdsc->viftype_status[vt].name)
continue;
seq_printf(seq, "%s\t%d supported %d enabled\n",
pdsc->viftype_status[vt].name,
pdsc->viftype_status[vt].supported,
pdsc->viftype_status[vt].enabled);
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(viftype);
void pdsc_debugfs_add_viftype(struct pdsc *pdsc)
{
debugfs_create_file("viftypes", 0400, pdsc->dentry,
pdsc, &viftype_fops);
}
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 pdsc_debugfs_add_qcq(struct pdsc *pdsc, struct pdsc_qcq *qcq)
{
struct dentry *qcq_dentry, *q_dentry, *cq_dentry, *intr_dentry;
struct debugfs_regset32 *intr_ctrl_regset;
struct pdsc_queue *q = &qcq->q;
struct pdsc_cq *cq = &qcq->cq;
qcq_dentry = debugfs_create_dir(q->name, pdsc->dentry);
if (IS_ERR(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_x32("accum_work", 0400, qcq_dentry, &qcq->accum_work);
q_dentry = debugfs_create_dir("q", qcq->dentry);
if (IS_ERR(q_dentry))
return;
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_u16("tail", 0400, q_dentry, &q->tail_idx);
debugfs_create_u16("head", 0400, q_dentry, &q->head_idx);
cq_dentry = debugfs_create_dir("cq", qcq->dentry);
if (IS_ERR(cq_dentry))
return;
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_u16("tail", 0400, cq_dentry, &cq->tail_idx);
if (qcq->flags & PDS_CORE_QCQ_F_INTR) {
struct pdsc_intr_info *intr = &pdsc->intr_info[qcq->intx];
intr_dentry = debugfs_create_dir("intr", qcq->dentry);
if (IS_ERR(intr_dentry))
return;
debugfs_create_u32("index", 0400, intr_dentry, &intr->index);
debugfs_create_u32("vector", 0400, intr_dentry, &intr->vector);
intr_ctrl_regset = devm_kzalloc(pdsc->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 = &pdsc->intr_ctrl[intr->index];
debugfs_create_regset32("intr_ctrl", 0400, intr_dentry,
intr_ctrl_regset);
}
};
void pdsc_debugfs_del_qcq(struct pdsc_qcq *qcq)
{
debugfs_remove_recursive(qcq->dentry);
qcq->dentry = NULL;
}
static int host_mem_show(struct seq_file *seq, void *v)
{
struct pdsc *pdsc = seq->private;
struct pdsc_host_mem *hm;
int i;
if (!pdsc->host_mem_reqs || pdsc->num_host_mem_reqs == 0) {
seq_puts(seq, "No host memory allocated\n");
return 0;
}
seq_printf(seq, "Host memory requests: %u\n\n",
pdsc->num_host_mem_reqs);
seq_puts(seq, "Tag Size Order PA\n");
seq_puts(seq, "--- ---- ----- --\n");
for (i = 0; i < pdsc->num_host_mem_reqs; i++) {
hm = &pdsc->host_mem_reqs[i];
if (!hm->pg)
continue;
seq_printf(seq, "%-6u %-12u %-6u %pad\n",
hm->tag, hm->size, hm->order, &hm->pa);
}
return 0;
}
DEFINE_SHOW_ATTRIBUTE(host_mem);
void pdsc_debugfs_add_host_mem(struct pdsc *pdsc)
{
if (!(pdsc->dev_ident.capabilities &
cpu_to_le64(PDS_CORE_DEV_CAP_HOST_MEM)))
return;
debugfs_create_file("host_mem", 0400, pdsc->dentry,
pdsc, &host_mem_fops);
}
void pdsc_debugfs_del_host_mem(struct pdsc *pdsc)
{
debugfs_lookup_and_remove("host_mem", pdsc->dentry);
}
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