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_debugfs.h" 7 #include "nitrox_dev.h" 8 9 static int firmware_show(struct seq_file *s, void *v) 10 { 11 struct nitrox_device *ndev = s->private; 12 13 seq_printf(s, "Version: %s\n", ndev->hw.fw_name[0]); 14 seq_printf(s, "Version: %s\n", ndev->hw.fw_name[1]); 15 return 0; 16 } 17 18 DEFINE_SHOW_ATTRIBUTE(firmware); 19 20 static int device_show(struct seq_file *s, void *v) 21 { 22 struct nitrox_device *ndev = s->private; 23 24 seq_printf(s, "NITROX [%d]\n", ndev->idx); 25 seq_printf(s, " Part Name: %s\n", ndev->hw.partname); 26 seq_printf(s, " Frequency: %d MHz\n", ndev->hw.freq); 27 seq_printf(s, " Device ID: 0x%0x\n", ndev->hw.device_id); 28 seq_printf(s, " Revision ID: 0x%0x\n", ndev->hw.revision_id); 29 seq_printf(s, " Cores: [AE=%u SE=%u ZIP=%u]\n", 30 ndev->hw.ae_cores, ndev->hw.se_cores, ndev->hw.zip_cores); 31 32 return 0; 33 } 34 35 DEFINE_SHOW_ATTRIBUTE(device); 36 37 static int stats_show(struct seq_file *s, void *v) 38 { 39 struct nitrox_device *ndev = s->private; 40 41 seq_printf(s, "NITROX [%d] Request Statistics\n", ndev->idx); 42 seq_printf(s, " Posted: %llu\n", 43 (u64)atomic64_read(&ndev->stats.posted)); 44 seq_printf(s, " Completed: %llu\n", 45 (u64)atomic64_read(&ndev->stats.completed)); 46 seq_printf(s, " Dropped: %llu\n", 47 (u64)atomic64_read(&ndev->stats.dropped)); 48 49 return 0; 50 } 51 52 DEFINE_SHOW_ATTRIBUTE(stats); 53 54 void nitrox_debugfs_exit(struct nitrox_device *ndev) 55 { 56 debugfs_remove_recursive(ndev->debugfs_dir); 57 ndev->debugfs_dir = NULL; 58 } 59 60 void nitrox_debugfs_init(struct nitrox_device *ndev) 61 { 62 struct dentry *dir; 63 64 dir = debugfs_create_dir(KBUILD_MODNAME, NULL); 65 66 ndev->debugfs_dir = dir; 67 debugfs_create_file("firmware", 0400, dir, ndev, &firmware_fops); 68 debugfs_create_file("device", 0400, dir, ndev, &device_fops); 69 debugfs_create_file("stats", 0400, dir, ndev, &stats_fops); 70 } 71