1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/seq_file.h> 3 #include <linux/debugfs.h> 4 5 #include "nitrox_csr.h" 6 #include "nitrox_dev.h" 7 8 static int firmware_show(struct seq_file *s, void *v) 9 { 10 struct nitrox_device *ndev = s->private; 11 12 seq_printf(s, "Version: %s\n", ndev->hw.fw_name); 13 return 0; 14 } 15 16 DEFINE_SHOW_ATTRIBUTE(firmware); 17 18 static int device_show(struct seq_file *s, void *v) 19 { 20 struct nitrox_device *ndev = s->private; 21 22 seq_printf(s, "NITROX [%d]\n", ndev->idx); 23 seq_printf(s, " Part Name: %s\n", ndev->hw.partname); 24 seq_printf(s, " Frequency: %d MHz\n", ndev->hw.freq); 25 seq_printf(s, " Device ID: 0x%0x\n", ndev->hw.device_id); 26 seq_printf(s, " Revision ID: 0x%0x\n", ndev->hw.revision_id); 27 seq_printf(s, " Cores: [AE=%u SE=%u ZIP=%u]\n", 28 ndev->hw.ae_cores, ndev->hw.se_cores, ndev->hw.zip_cores); 29 30 return 0; 31 } 32 33 DEFINE_SHOW_ATTRIBUTE(device); 34 35 static int stats_show(struct seq_file *s, void *v) 36 { 37 struct nitrox_device *ndev = s->private; 38 39 seq_printf(s, "NITROX [%d] Request Statistics\n", ndev->idx); 40 seq_printf(s, " Posted: %llu\n", 41 (u64)atomic64_read(&ndev->stats.posted)); 42 seq_printf(s, " Completed: %llu\n", 43 (u64)atomic64_read(&ndev->stats.completed)); 44 seq_printf(s, " Dropped: %llu\n", 45 (u64)atomic64_read(&ndev->stats.dropped)); 46 47 return 0; 48 } 49 50 DEFINE_SHOW_ATTRIBUTE(stats); 51 52 void nitrox_debugfs_exit(struct nitrox_device *ndev) 53 { 54 debugfs_remove_recursive(ndev->debugfs_dir); 55 ndev->debugfs_dir = NULL; 56 } 57 58 void nitrox_debugfs_init(struct nitrox_device *ndev) 59 { 60 struct dentry *dir; 61 62 dir = debugfs_create_dir(KBUILD_MODNAME, NULL); 63 64 ndev->debugfs_dir = dir; 65 debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops); 66 debugfs_create_file("device", 0400, dir, ndev, &device_fops); 67 debugfs_create_file("stats", 0400, dir, ndev, &stats_fops); 68 } 69