108 lines
2.3 KiB
C
108 lines
2.3 KiB
C
|
/* Broadcom NetXtreme-C/E network driver.
|
||
|
|
*
|
||
|
|
* Copyright (c) 2017-2018 Broadcom Limited
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License as published by
|
||
|
|
* the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <linux/debugfs.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/pci.h>
|
||
|
|
#include "bnxt_hsi.h"
|
||
|
|
#include <linux/dim.h>
|
||
|
|
#include "bnxt.h"
|
||
|
|
#include "bnxt_debugfs.h"
|
||
|
|
|
||
|
|
static struct dentry *bnxt_debug_mnt;
|
||
|
|
|
||
|
|
static ssize_t debugfs_dim_read(struct file *filep,
|
||
|
|
char __user *buffer,
|
||
|
|
size_t count, loff_t *ppos)
|
||
|
|
{
|
||
|
|
struct dim *dim = filep->private_data;
|
||
|
|
int len;
|
||
|
|
char *buf;
|
||
|
|
|
||
|
|
if (*ppos)
|
||
|
|
return 0;
|
||
|
|
if (!dim)
|
||
|
|
return -ENODEV;
|
||
|
|
buf = kasprintf(GFP_KERNEL,
|
||
|
|
"state = %d\n" \
|
||
|
|
"profile_ix = %d\n" \
|
||
|
|
"mode = %d\n" \
|
||
|
|
"tune_state = %d\n" \
|
||
|
|
"steps_right = %d\n" \
|
||
|
|
"steps_left = %d\n" \
|
||
|
|
"tired = %d\n",
|
||
|
|
dim->state,
|
||
|
|
dim->profile_ix,
|
||
|
|
dim->mode,
|
||
|
|
dim->tune_state,
|
||
|
|
dim->steps_right,
|
||
|
|
dim->steps_left,
|
||
|
|
dim->tired);
|
||
|
|
if (!buf)
|
||
|
|
return -ENOMEM;
|
||
|
|
if (count < strlen(buf)) {
|
||
|
|
kfree(buf);
|
||
|
|
return -ENOSPC;
|
||
|
|
}
|
||
|
|
len = simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));
|
||
|
|
kfree(buf);
|
||
|
|
return len;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct file_operations debugfs_dim_fops = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.open = simple_open,
|
||
|
|
.read = debugfs_dim_read,
|
||
|
|
};
|
||
|
|
|
||
|
|
static void debugfs_dim_ring_init(struct dim *dim, int ring_idx,
|
||
|
|
struct dentry *dd)
|
||
|
|
{
|
||
|
|
static char qname[16];
|
||
|
|
|
||
|
|
snprintf(qname, 10, "%d", ring_idx);
|
||
|
|
debugfs_create_file(qname, 0600, dd, dim, &debugfs_dim_fops);
|
||
|
|
}
|
||
|
|
|
||
|
|
void bnxt_debug_dev_init(struct bnxt *bp)
|
||
|
|
{
|
||
|
|
const char *pname = pci_name(bp->pdev);
|
||
|
|
struct dentry *dir;
|
||
|
|
int i;
|
||
|
|
|
||
|
|
bp->debugfs_pdev = debugfs_create_dir(pname, bnxt_debug_mnt);
|
||
|
|
dir = debugfs_create_dir("dim", bp->debugfs_pdev);
|
||
|
|
|
||
|
|
/* create files for each rx ring */
|
||
|
|
for (i = 0; i < bp->cp_nr_rings; i++) {
|
||
|
|
struct bnxt_cp_ring_info *cpr = &bp->bnapi[i]->cp_ring;
|
||
|
|
|
||
|
|
if (cpr && bp->bnapi[i]->rx_ring)
|
||
|
|
debugfs_dim_ring_init(&cpr->dim, i, dir);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void bnxt_debug_dev_exit(struct bnxt *bp)
|
||
|
|
{
|
||
|
|
if (bp) {
|
||
|
|
debugfs_remove_recursive(bp->debugfs_pdev);
|
||
|
|
bp->debugfs_pdev = NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void bnxt_debug_init(void)
|
||
|
|
{
|
||
|
|
bnxt_debug_mnt = debugfs_create_dir("bnxt_en", NULL);
|
||
|
|
}
|
||
|
|
|
||
|
|
void bnxt_debug_exit(void)
|
||
|
|
{
|
||
|
|
debugfs_remove_recursive(bnxt_debug_mnt);
|
||
|
|
}
|