| /* Driver for USB Mass Storage compliant devices |
| * Debugging Functions Header File |
| * |
| * Current development and maintenance by: |
| * (c) 1999-2002 Matthew Dharm (mdharm-usb@one-eyed-alien.net) |
| * |
| * Initial work by: |
| * (c) 1999 Michael Gee (michael@linuxspecific.com) |
| * |
| * This driver is based on the 'USB Mass Storage Class' document. This |
| * describes in detail the protocol used to communicate with such |
| * devices. Clearly, the designers had SCSI and ATAPI commands in |
| * mind when they created this document. The commands are all very |
| * similar to commands in the SCSI-II and ATAPI specifications. |
| * |
| * It is important to note that in a number of cases this class |
| * exhibits class-specific exemptions from the USB specification. |
| * Notably the usage of NAK, STALL and ACK differs from the norm, in |
| * that they are used to communicate wait, failed and OK on commands. |
| * |
| * Also, for certain devices, the interrupt endpoint is used to convey |
| * status of a command. |
| * |
| * Please see http://www.one-eyed-alien.net/~mdharm/linux-usb for more |
| * information about this driver. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License as published by the |
| * Free Software Foundation; either version 2, or (at your option) any |
| * later version. |
| * |
| * This program is distributed in the hope that it will be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 675 Mass Ave, Cambridge, MA 02139, USA. |
| */ |
| |
| #ifndef _DEBUG_H_ |
| #define _DEBUG_H_ |
| |
| #include <linux/kernel.h> |
| |
| #define USB_STORAGE "usb-storage: " |
| |
| #ifdef CONFIG_USB_STORAGE_DEBUG |
| void usb_stor_show_command(struct scsi_cmnd *srb); |
| void usb_stor_show_sense( unsigned char key, |
| unsigned char asc, unsigned char ascq ); |
| #define US_DEBUGP(x...) printk( KERN_DEBUG USB_STORAGE x ) |
| #define US_DEBUGPX(x...) printk( x ) |
| #define US_DEBUG(x) x |
| #else |
| #define US_DEBUGP(x...) |
| #define US_DEBUGPX(x...) |
| #define US_DEBUG(x) |
| #endif |
| |
| #endif |