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Release 4.11 drivers/misc/mic/host/mic_debugfs.c

/*
 * Intel MIC Platform Software Stack (MPSS)
 *
 * Copyright(c) 2013 Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License, version 2, as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License for more details.
 *
 * The full GNU General Public License is included in this distribution in
 * the file called "COPYING".
 *
 * Intel MIC Host driver.
 *
 */
#include <linux/debugfs.h>
#include <linux/pci.h>
#include <linux/seq_file.h>

#include <linux/mic_common.h>
#include "../common/mic_dev.h"
#include "mic_device.h"
#include "mic_smpt.h"

/* Debugfs parent dir */

static struct dentry *mic_dbg;


static int mic_smpt_show(struct seq_file *s, void *pos) { int i; struct mic_device *mdev = s->private; unsigned long flags; seq_printf(s, "MIC %-2d |%-10s| %-14s %-10s\n", mdev->id, "SMPT entry", "SW DMA addr", "RefCount"); seq_puts(s, "====================================================\n"); if (mdev->smpt) { struct mic_smpt_info *smpt_info = mdev->smpt; spin_lock_irqsave(&smpt_info->smpt_lock, flags); for (i = 0; i < smpt_info->info.num_reg; i++) { seq_printf(s, "%9s|%-10d| %-#14llx %-10lld\n", " ", i, smpt_info->entry[i].dma_addr, smpt_info->entry[i].ref_count); } spin_unlock_irqrestore(&smpt_info->smpt_lock, flags); } seq_puts(s, "====================================================\n"); return 0; }

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PersonTokensPropCommitsCommitProp
Sudeep Dutt11677.33%250.00%
Ashutosh Dixit3020.00%125.00%
Michael S. Tsirkin42.67%125.00%
Total150100.00%4100.00%


static int mic_smpt_debug_open(struct inode *inode, struct file *file) { return single_open(file, mic_smpt_show, inode->i_private); }

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PersonTokensPropCommitsCommitProp
Sudeep Dutt2796.43%150.00%
Ashutosh Dixit13.57%150.00%
Total28100.00%2100.00%


static int mic_smpt_debug_release(struct inode *inode, struct file *file) { return single_release(inode, file); }

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Sudeep Dutt2395.83%150.00%
Ashutosh Dixit14.17%150.00%
Total24100.00%2100.00%

static const struct file_operations smpt_file_ops = { .owner = THIS_MODULE, .open = mic_smpt_debug_open, .read = seq_read, .llseek = seq_lseek, .release = mic_smpt_debug_release };
static int mic_post_code_show(struct seq_file *s, void *pos) { struct mic_device *mdev = s->private; u32 reg = mdev->ops->get_postcode(mdev); seq_printf(s, "%c%c", reg & 0xff, (reg >> 8) & 0xff); return 0; }

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Sudeep Dutt5086.21%150.00%
Ashutosh Dixit813.79%150.00%
Total58100.00%2100.00%


static int mic_post_code_debug_open(struct inode *inode, struct file *file) { return single_open(file, mic_post_code_show, inode->i_private); }

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Ashutosh Dixit2692.86%150.00%
Sudeep Dutt27.14%150.00%
Total28100.00%2100.00%


static int mic_post_code_debug_release(struct inode *inode, struct file *file) { return single_release(inode, file); }

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Ashutosh Dixit2395.83%150.00%
Sudeep Dutt14.17%150.00%
Total24100.00%2100.00%

static const struct file_operations post_code_ops = { .owner = THIS_MODULE, .open = mic_post_code_debug_open, .read = seq_read, .llseek = seq_lseek, .release = mic_post_code_debug_release };
static int mic_msi_irq_info_show(struct seq_file *s, void *pos) { struct mic_device *mdev = s->private; int reg; int i, j; u16 entry; u16 vector; struct pci_dev *pdev = mdev->pdev; if (pci_dev_msi_enabled(pdev)) { for (i = 0; i < mdev->irq_info.num_vectors; i++) { if (pdev->msix_enabled) { entry = mdev->irq_info.msix_entries[i].entry; vector = mdev->irq_info.msix_entries[i].vector; } else { entry = 0; vector = pdev->irq; } reg = mdev->intr_ops->read_msi_to_src_map(mdev, entry); seq_printf(s, "%s %-10d %s %-10d MXAR[%d]: %08X\n", "IRQ:", vector, "Entry:", entry, i, reg); seq_printf(s, "%-10s", "offset:"); for (j = (MIC_NUM_OFFSETS - 1); j >= 0; j--) seq_printf(s, "%4d ", j); seq_puts(s, "\n"); seq_printf(s, "%-10s", "count:"); for (j = (MIC_NUM_OFFSETS - 1); j >= 0; j--) seq_printf(s, "%4d ", (mdev->irq_info.mic_msi_map[i] & BIT(j)) ? 1 : 0); seq_puts(s, "\n\n"); } } else { seq_puts(s, "MSI/MSIx interrupts not enabled\n"); } return 0; }

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PersonTokensPropCommitsCommitProp
Sudeep Dutt18468.40%133.33%
Ashutosh Dixit8531.60%266.67%
Total269100.00%3100.00%


static int mic_msi_irq_info_debug_open(struct inode *inode, struct file *file) { return single_open(file, mic_msi_irq_info_show, inode->i_private); }

Contributors

PersonTokensPropCommitsCommitProp
Sudeep Dutt28100.00%1100.00%
Total28100.00%1100.00%


static int mic_msi_irq_info_debug_release(struct inode *inode, struct file *file) { return single_release(inode, file); }

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Sudeep Dutt24100.00%1100.00%
Total24100.00%1100.00%

static const struct file_operations msi_irq_info_ops = { .owner = THIS_MODULE, .open = mic_msi_irq_info_debug_open, .read = seq_read, .llseek = seq_lseek, .release = mic_msi_irq_info_debug_release }; /** * mic_create_debug_dir - Initialize MIC debugfs entries. */
void mic_create_debug_dir(struct mic_device *mdev) { char name[16]; if (!mic_dbg) return; scnprintf(name, sizeof(name), "mic%d", mdev->id); mdev->dbg_dir = debugfs_create_dir(name, mic_dbg); if (!mdev->dbg_dir) return; debugfs_create_file("smpt", 0444, mdev->dbg_dir, mdev, &smpt_file_ops); debugfs_create_file("post_code", 0444, mdev->dbg_dir, mdev, &post_code_ops); debugfs_create_file("msi_irq_info", 0444, mdev->dbg_dir, mdev, &msi_irq_info_ops); }

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PersonTokensPropCommitsCommitProp
Sudeep Dutt8278.10%150.00%
Ashutosh Dixit2321.90%150.00%
Total105100.00%2100.00%

/** * mic_delete_debug_dir - Uninitialize MIC debugfs entries. */
void mic_delete_debug_dir(struct mic_device *mdev) { if (!mdev->dbg_dir) return; debugfs_remove_recursive(mdev->dbg_dir); }

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PersonTokensPropCommitsCommitProp
Sudeep Dutt25100.00%1100.00%
Total25100.00%1100.00%

/** * mic_init_debugfs - Initialize global debugfs entry. */
void __init mic_init_debugfs(void) { mic_dbg = debugfs_create_dir(KBUILD_MODNAME, NULL); if (!mic_dbg) pr_err("can't create debugfs dir\n"); }

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PersonTokensPropCommitsCommitProp
Sudeep Dutt27100.00%1100.00%
Total27100.00%1100.00%

/** * mic_exit_debugfs - Uninitialize global debugfs entry */
void mic_exit_debugfs(void) { debugfs_remove(mic_dbg); }

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PersonTokensPropCommitsCommitProp
Sudeep Dutt12100.00%1100.00%
Total12100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Sudeep Dutt70375.27%350.00%
Ashutosh Dixit22724.30%233.33%
Michael S. Tsirkin40.43%116.67%
Total934100.00%6100.00%
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