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