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