Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  *  FUJITSU Extended Socket Network Device driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *  Copyright (c) 2015-2016 FUJITSU LIMITED
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) /* debugfs support for fjes driver */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #ifdef CONFIG_DEBUG_FS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/debugfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/seq_file.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "fjes.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) static struct dentry *fjes_debug_root;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) static const char * const ep_status_string[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	"unshared",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	"shared",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	"waiting",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	"complete",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) static int fjes_dbg_status_show(struct seq_file *m, void *v)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	struct fjes_adapter *adapter = m->private;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	struct fjes_hw *hw = &adapter->hw;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	int max_epid = hw->max_epid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	int my_epid = hw->my_epid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 	int epidx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	seq_puts(m, "EPID\tSTATUS           SAME_ZONE        CONNECTED\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	for (epidx = 0; epidx < max_epid; epidx++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		if (epidx == my_epid) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 			seq_printf(m, "ep%d\t%-16c %-16c %-16c\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 				   epidx, '-', '-', '-');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 			seq_printf(m, "ep%d\t%-16s %-16c %-16c\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 				   epidx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 				   ep_status_string[fjes_hw_get_partner_ep_status(hw, epidx)],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 				   fjes_hw_epid_is_same_zone(hw, epidx) ? 'Y' : 'N',
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 				   fjes_hw_epid_is_shared(hw->hw_info.share, epidx) ? 'Y' : 'N');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) DEFINE_SHOW_ATTRIBUTE(fjes_dbg_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) void fjes_dbg_adapter_init(struct fjes_adapter *adapter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 	const char *name = dev_name(&adapter->plat_dev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	adapter->dbg_adapter = debugfs_create_dir(name, fjes_debug_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	debugfs_create_file("status", 0444, adapter->dbg_adapter, adapter,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 			    &fjes_dbg_status_fops);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) void fjes_dbg_adapter_exit(struct fjes_adapter *adapter)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 	debugfs_remove_recursive(adapter->dbg_adapter);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	adapter->dbg_adapter = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) void fjes_dbg_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	fjes_debug_root = debugfs_create_dir(fjes_driver_name, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) void fjes_dbg_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) 	debugfs_remove_recursive(fjes_debug_root);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) 	fjes_debug_root = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) #endif /* CONFIG_DEBUG_FS */