| // SPDX-License-Identifier: GPL-2.0 |
| #include <linux/seq_file.h> |
| #include <linux/debugfs.h> |
| |
| #include "nitrox_csr.h" |
| #include "nitrox_dev.h" |
| |
| static int firmware_show(struct seq_file *s, void *v) |
| { |
| struct nitrox_device *ndev = s->private; |
| |
| seq_printf(s, "Version: %s\n", ndev->hw.fw_name); |
| return 0; |
| } |
| |
| DEFINE_SHOW_ATTRIBUTE(firmware); |
| |
| static int device_show(struct seq_file *s, void *v) |
| { |
| struct nitrox_device *ndev = s->private; |
| |
| seq_printf(s, "NITROX [%d]\n", ndev->idx); |
| seq_printf(s, " Part Name: %s\n", ndev->hw.partname); |
| seq_printf(s, " Frequency: %d MHz\n", ndev->hw.freq); |
| seq_printf(s, " Device ID: 0x%0x\n", ndev->hw.device_id); |
| seq_printf(s, " Revision ID: 0x%0x\n", ndev->hw.revision_id); |
| seq_printf(s, " Cores: [AE=%u SE=%u ZIP=%u]\n", |
| ndev->hw.ae_cores, ndev->hw.se_cores, ndev->hw.zip_cores); |
| |
| return 0; |
| } |
| |
| DEFINE_SHOW_ATTRIBUTE(device); |
| |
| static int stats_show(struct seq_file *s, void *v) |
| { |
| struct nitrox_device *ndev = s->private; |
| |
| seq_printf(s, "NITROX [%d] Request Statistics\n", ndev->idx); |
| seq_printf(s, " Posted: %llu\n", |
| (u64)atomic64_read(&ndev->stats.posted)); |
| seq_printf(s, " Completed: %llu\n", |
| (u64)atomic64_read(&ndev->stats.completed)); |
| seq_printf(s, " Dropped: %llu\n", |
| (u64)atomic64_read(&ndev->stats.dropped)); |
| |
| return 0; |
| } |
| |
| DEFINE_SHOW_ATTRIBUTE(stats); |
| |
| void nitrox_debugfs_exit(struct nitrox_device *ndev) |
| { |
| debugfs_remove_recursive(ndev->debugfs_dir); |
| ndev->debugfs_dir = NULL; |
| } |
| |
| int nitrox_debugfs_init(struct nitrox_device *ndev) |
| { |
| struct dentry *dir, *f; |
| |
| dir = debugfs_create_dir(KBUILD_MODNAME, NULL); |
| if (!dir) |
| return -ENOMEM; |
| |
| ndev->debugfs_dir = dir; |
| f = debugfs_create_file("firmware", 0400, dir, ndev, |
| &firmware_fops); |
| if (!f) |
| goto err; |
| f = debugfs_create_file("device", 0400, dir, ndev, |
| &device_fops); |
| if (!f) |
| goto err; |
| f = debugfs_create_file("stats", 0400, dir, ndev, |
| &stats_fops); |
| if (!f) |
| goto err; |
| |
| return 0; |
| |
| err: |
| nitrox_debugfs_exit(ndev); |
| return -ENODEV; |
| } |