| Inaky Perez-Gonzalez | 34e95e4 | 2008-09-17 16:34:05 +0100 | [diff] [blame] | 1 | /* |
| 2 | * Ultra Wide Band |
| 3 | * Debug Support |
| 4 | * |
| 5 | * Copyright (C) 2005-2006 Intel Corporation |
| 6 | * Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or |
| 9 | * modify it under the terms of the GNU General Public License version |
| 10 | * 2 as published by the Free Software Foundation. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 20 | * 02110-1301, USA. |
| 21 | * |
| 22 | * |
| 23 | * FIXME: doc |
| 24 | * Invoke like: |
| 25 | * |
| 26 | * #define D_LOCAL 4 |
| 27 | * #include <linux/uwb/debug.h> |
| 28 | * |
| 29 | * At the end of your include files. |
| 30 | */ |
| 31 | #include <linux/types.h> |
| 32 | |
| 33 | struct device; |
| 34 | extern void dump_bytes(struct device *dev, const void *_buf, size_t rsize); |
| 35 | |
| 36 | /* Master debug switch; !0 enables, 0 disables */ |
| 37 | #define D_MASTER (!0) |
| 38 | |
| 39 | /* Local (per-file) debug switch; #define before #including */ |
| 40 | #ifndef D_LOCAL |
| 41 | #define D_LOCAL 0 |
| 42 | #endif |
| 43 | |
| 44 | #undef __d_printf |
| 45 | #undef d_fnstart |
| 46 | #undef d_fnend |
| 47 | #undef d_printf |
| 48 | #undef d_dump |
| 49 | |
| 50 | #define __d_printf(l, _tag, _dev, f, a...) \ |
| 51 | do { \ |
| 52 | struct device *__dev = (_dev); \ |
| 53 | if (D_MASTER && D_LOCAL >= (l)) { \ |
| 54 | char __head[64] = ""; \ |
| 55 | if (_dev != NULL) { \ |
| 56 | if ((unsigned long)__dev < 4096) \ |
| 57 | printk(KERN_ERR "E: Corrupt dev %p\n", \ |
| 58 | __dev); \ |
| 59 | else \ |
| 60 | snprintf(__head, sizeof(__head), \ |
| 61 | "%s %s: ", \ |
| 62 | dev_driver_string(__dev), \ |
| 63 | __dev->bus_id); \ |
| 64 | } \ |
| 65 | printk(KERN_ERR "%s%s" _tag ": " f, __head, \ |
| 66 | __func__, ## a); \ |
| 67 | } \ |
| 68 | } while (0 && _dev) |
| 69 | |
| 70 | #define d_fnstart(l, _dev, f, a...) \ |
| 71 | __d_printf(l, " FNSTART", _dev, f, ## a) |
| 72 | #define d_fnend(l, _dev, f, a...) \ |
| 73 | __d_printf(l, " FNEND", _dev, f, ## a) |
| 74 | #define d_printf(l, _dev, f, a...) \ |
| 75 | __d_printf(l, "", _dev, f, ## a) |
| 76 | #define d_dump(l, _dev, ptr, size) \ |
| 77 | do { \ |
| 78 | struct device *__dev = _dev; \ |
| 79 | if (D_MASTER && D_LOCAL >= (l)) \ |
| 80 | dump_bytes(__dev, ptr, size); \ |
| 81 | } while (0 && _dev) |
| 82 | #define d_test(l) (D_MASTER && D_LOCAL >= (l)) |