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OpenCloudOS-Kernel/include/linux/cdrom.h

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License cleanup: add SPDX GPL-2.0 license identifier to files with no license Many source files in the tree are missing licensing information, which makes it harder for compliance tools to determine the correct license. By default all files without license information are under the default license of the kernel, which is GPL version 2. Update the files which contain no license information with the 'GPL-2.0' SPDX license identifier. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. How this work was done: Patches were generated and checked against linux-4.14-rc6 for a subset of the use cases: - file had no licensing information it it. - file was a */uapi/* one with no licensing information in it, - file was a */uapi/* one with existing licensing information, Further patches will be generated in subsequent months to fix up cases where non-standard license headers were used, and references to license had to be inferred by heuristics based on keywords. The analysis to determine which SPDX License Identifier to be applied to a file was done in a spreadsheet of side by side results from of the output of two independent scanners (ScanCode & Windriver) producing SPDX tag:value files created by Philippe Ombredanne. Philippe prepared the base worksheet, and did an initial spot review of a few 1000 files. The 4.13 kernel was the starting point of the analysis with 60,537 files assessed. Kate Stewart did a file by file comparison of the scanner results in the spreadsheet to determine which SPDX license identifier(s) to be applied to the file. She confirmed any determination that was not immediately clear with lawyers working with the Linux Foundation. Criteria used to select files for SPDX license identifier tagging was: - Files considered eligible had to be source code files. - Make and config files were included as candidates if they contained >5 lines of source - File already had some variant of a license header in it (even if <5 lines). All documentation files were explicitly excluded. The following heuristics were used to determine which SPDX license identifiers to apply. - when both scanners couldn't find any license traces, file was considered to have no license information in it, and the top level COPYING file license applied. For non */uapi/* files that summary was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 11139 and resulted in the first patch in this series. If that file was a */uapi/* path one, it was "GPL-2.0 WITH Linux-syscall-note" otherwise it was "GPL-2.0". Results of that was: SPDX license identifier # files ---------------------------------------------------|------- GPL-2.0 WITH Linux-syscall-note 930 and resulted in the second patch in this series. - if a file had some form of licensing information in it, and was one of the */uapi/* ones, it was denoted with the Linux-syscall-note if any GPL family license was found in the file or had no licensing in it (per prior point). Results summary: SPDX license identifier # files ---------------------------------------------------|------ GPL-2.0 WITH Linux-syscall-note 270 GPL-2.0+ WITH Linux-syscall-note 169 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-2-Clause) 21 ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) 17 LGPL-2.1+ WITH Linux-syscall-note 15 GPL-1.0+ WITH Linux-syscall-note 14 ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) 5 LGPL-2.0+ WITH Linux-syscall-note 4 LGPL-2.1 WITH Linux-syscall-note 3 ((GPL-2.0 WITH Linux-syscall-note) OR MIT) 3 ((GPL-2.0 WITH Linux-syscall-note) AND MIT) 1 and that resulted in the third patch in this series. - when the two scanners agreed on the detected license(s), that became the concluded license(s). - when there was disagreement between the two scanners (one detected a license but the other didn't, or they both detected different licenses) a manual inspection of the file occurred. - In most cases a manual inspection of the information in the file resulted in a clear resolution of the license that should apply (and which scanner probably needed to revisit its heuristics). - When it was not immediately clear, the license identifier was confirmed with lawyers working with the Linux Foundation. - If there was any question as to the appropriate license identifier, the file was flagged for further research and to be revisited later in time. In total, over 70 hours of logged manual review was done on the spreadsheet to determine the SPDX license identifiers to apply to the source files by Kate, Philippe, Thomas and, in some cases, confirmation by lawyers working with the Linux Foundation. Kate also obtained a third independent scan of the 4.13 code base from FOSSology, and compared selected files where the other two scanners disagreed against that SPDX file, to see if there was new insights. The Windriver scanner is based on an older version of FOSSology in part, so they are related. Thomas did random spot checks in about 500 files from the spreadsheets for the uapi headers and agreed with SPDX license identifier in the files he inspected. For the non-uapi files Thomas did random spot checks in about 15000 files. In initial set of patches against 4.14-rc6, 3 files were found to have copy/paste license identifier errors, and have been fixed to reflect the correct identifier. Additionally Philippe spent 10 hours this week doing a detailed manual inspection and review of the 12,461 patched files from the initial patch version early this week with: - a full scancode scan run, collecting the matched texts, detected license ids and scores - reviewing anything where there was a license detected (about 500+ files) to ensure that the applied SPDX license was correct - reviewing anything where there was no detection but the patch license was not GPL-2.0 WITH Linux-syscall-note to ensure that the applied SPDX license was correct This produced a worksheet with 20 files needing minor correction. This worksheet was then exported into 3 different .csv files for the different types of files to be modified. These .csv files were then reviewed by Greg. Thomas wrote a script to parse the csv files and add the proper SPDX tag to the file, in the format that the file expected. This script was further refined by Greg based on the output to detect more types of files automatically and to distinguish between header and source .c files (which need different comment types.) Finally Greg ran the script using the .csv files to generate the patches. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2017-11-01 22:07:57 +08:00
/* SPDX-License-Identifier: GPL-2.0 */
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
/*
* -- <linux/cdrom.h>
* General header file for linux CD-ROM drivers
* Copyright (C) 1992 David Giller, rafetmad@oxy.edu
Convert files to UTF-8 and some cleanups * Convert files to UTF-8. * Also correct some people's names (one example is Eißfeldt, which was found in a source file. Given that the author used an ß at all in a source file indicates that the real name has in fact a 'ß' and not an 'ss', which is commonly used as a substitute for 'ß' when limited to 7bit.) * Correct town names (Goettingen -> Göttingen) * Update Eberhard Mönkeberg's address (http://lkml.org/lkml/2007/1/8/313) Signed-off-by: Jan Engelhardt <jengelh@gmx.de> Signed-off-by: Adrian Bunk <bunk@kernel.org>
2007-10-20 05:21:04 +08:00
* 1994, 1995 Eberhard Mönkeberg, emoenke@gwdg.de
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
* 1996 David van Leeuwen, david@tm.tno.nl
* 1997, 1998 Erik Andersen, andersee@debian.org
* 1998-2002 Jens Axboe, axboe@suse.de
*/
#ifndef _LINUX_CDROM_H
#define _LINUX_CDROM_H
#include <linux/fs.h> /* not really needed, later.. */
cdrom: use list_head for cdrom_device_info list Use list_head for cdrom_device_info list instead of opencoded singly list handling. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-03-26 19:09:02 +08:00
#include <linux/list.h>
block: Switch struct packet_command to use struct scsi_sense_hdr There is a lot of needless struct request_sense usage in the CDROM code. These can all be struct scsi_sense_hdr instead, to avoid any confusion over their respective structure sizes. This patch is a lot of noise changing "sense" to "sshdr", but the final code is more readable to distinguish between "sense" meaning "struct request_sense" and "sshdr" meaning "struct scsi_sense_hdr". Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-03 05:22:13 +08:00
#include <scsi/scsi_common.h>
UAPI: (Scripted) Disintegrate include/linux Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Michael Kerrisk <mtk.manpages@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: Dave Jones <davej@redhat.com>
2012-10-13 17:46:48 +08:00
#include <uapi/linux/cdrom.h>
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
struct packet_command
{
unsigned char cmd[CDROM_PACKET_SIZE];
unsigned char *buffer;
unsigned int buflen;
int stat;
block: Switch struct packet_command to use struct scsi_sense_hdr There is a lot of needless struct request_sense usage in the CDROM code. These can all be struct scsi_sense_hdr instead, to avoid any confusion over their respective structure sizes. This patch is a lot of noise changing "sense" to "sshdr", but the final code is more readable to distinguish between "sense" meaning "struct request_sense" and "sshdr" meaning "struct scsi_sense_hdr". Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Kees Cook <keescook@chromium.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2018-08-03 05:22:13 +08:00
struct scsi_sense_hdr *sshdr;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
unsigned char data_direction;
int quiet;
int timeout;
void *reserved[1];
};
/*
* _OLD will use PIO transfer on atapi devices, _BPC_* will use DMA
*/
#define CDDA_OLD 0 /* old style */
#define CDDA_BPC_SINGLE 1 /* single frame block pc */
#define CDDA_BPC_FULL 2 /* multi frame block pc */
/* Uniform cdrom data structures for cdrom.c */
struct cdrom_device_info {
cdrom: Make device operations read-only Since function tables are a common target for attackers, it's best to keep them in read-only memory. As such, this makes the CDROM device ops tables const. This drops additionally n_minors, since it isn't used meaningfully, and sets the only user of cdrom_dummy_generic_packet explicitly so the variables can all be const. Inspired by similar changes in grsecurity/PaX. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-02-14 08:25:26 +08:00
const struct cdrom_device_ops *ops; /* link to device_ops */
cdrom: use list_head for cdrom_device_info list Use list_head for cdrom_device_info list instead of opencoded singly list handling. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-03-26 19:09:02 +08:00
struct list_head list; /* linked list of all device_info */
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
struct gendisk *disk; /* matching block layer disk */
void *handle; /* driver-dependent data */
/* specifications */
int mask; /* mask of capability: disables them */
int speed; /* maximum speed for reading data */
int capacity; /* number of discs in jukebox */
/* device-related storage */
[PATCH] cdrom: use unsigned bitfields Fix 23 of these sparse warnings on x86_64 allmodconfig: include/linux/cdrom.h:942:19: error: dubious bitfield without explicit `signed' or `unsigned' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-02-21 05:58:05 +08:00
unsigned int options : 30; /* options flags */
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
unsigned mc_flags : 2; /* media change buffer flags */
cdrom: add ->check_events() support In principle, cdrom just needs to pass through ->check_events() but CDROM_MEDIA_CHANGED ioctl makes things a bit more complex. Just as with ->media_changed() support, cdrom code needs to buffer the events and serve them to ioctl and vfs as requested. As the code has to deal with both ->check_events() and ->media_changed(), and vfs and ioctl event buffering, this patch adds check_events caching on top of the existing cdi->mc_flags buffering. It may be a good idea to deprecate CDROM_MEDIA_CHANGED ioctl and remove all this mess. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-12-09 03:57:38 +08:00
unsigned int vfs_events; /* cached events for vfs path */
unsigned int ioctl_events; /* cached events for ioctl path */
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
int use_count; /* number of times device opened */
char name[20]; /* name of the device type */
/* per-device flags */
__u8 sanyo_slot : 2; /* Sanyo 3 CD changer support */
cdrom: move shared static to cdrom_device_info The keeplocked variable in the cdrom driver is shared across multiple drives, but set in per-device ioctls. Move it to the per-device struct, avoiding that the setting on one drive affects the driver's behavior when closing another. [ Impact: limit udev's confusion to one drive when a CD burning program unlocks the CD door at the end of burning. ] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2012-02-09 03:03:14 +08:00
__u8 keeplocked : 1; /* CDROM_LOCKDOOR status */
__u8 reserved : 5; /* not used yet */
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
int cdda_method; /* see flags */
__u8 last_sense;
__u8 media_written; /* dirty flag, DVD+RW bookkeeping */
unsigned short mmc3_profile; /* current MMC3 profile */
int for_data;
int (*exit)(struct cdrom_device_info *);
int mrw_mode_page;
};
struct cdrom_device_ops {
/* routines */
int (*open) (struct cdrom_device_info *, int);
void (*release) (struct cdrom_device_info *);
int (*drive_status) (struct cdrom_device_info *, int);
cdrom: add ->check_events() support In principle, cdrom just needs to pass through ->check_events() but CDROM_MEDIA_CHANGED ioctl makes things a bit more complex. Just as with ->media_changed() support, cdrom code needs to buffer the events and serve them to ioctl and vfs as requested. As the code has to deal with both ->check_events() and ->media_changed(), and vfs and ioctl event buffering, this patch adds check_events caching on top of the existing cdi->mc_flags buffering. It may be a good idea to deprecate CDROM_MEDIA_CHANGED ioctl and remove all this mess. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-12-09 03:57:38 +08:00
unsigned int (*check_events) (struct cdrom_device_info *cdi,
unsigned int clearing, int slot);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
int (*tray_move) (struct cdrom_device_info *, int);
int (*lock_door) (struct cdrom_device_info *, int);
int (*select_speed) (struct cdrom_device_info *, int);
int (*select_disc) (struct cdrom_device_info *, int);
int (*get_last_session) (struct cdrom_device_info *,
struct cdrom_multisession *);
int (*get_mcn) (struct cdrom_device_info *,
struct cdrom_mcn *);
/* hard reset device */
int (*reset) (struct cdrom_device_info *);
/* play stuff */
int (*audio_ioctl) (struct cdrom_device_info *,unsigned int, void *);
[PATCH] kill cdrom ->dev_ioctl method Since early 2.4.x all cdrom drivers implement the block_device methods themselves, so they can handle additional ioctls directly instead of going through the cdrom layer. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-23 19:00:15 +08:00
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
/* driver specifications */
const int capability; /* capability flags */
/* handle uniform packets for scsi type devices (scsi,atapi) */
int (*generic_packet) (struct cdrom_device_info *,
struct packet_command *);
};
cdrom: factor out a cdrom_multisession helper Factor out a version of the CDROMMULTISESSION ioctl handler that can be called directly from kernel space. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-25 15:57:03 +08:00
int cdrom_multisession(struct cdrom_device_info *cdi,
struct cdrom_multisession *info);
cdrom: factor out a cdrom_read_tocentry helper Factor out a version of the CDROMREADTOCENTRY ioctl handler that can be called directly from kernel space. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Reviewed-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-25 15:57:02 +08:00
int cdrom_read_tocentry(struct cdrom_device_info *cdi,
struct cdrom_tocentry *entry);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
/* the general block_device operations structure: */
[PATCH] switch cdrom_{open,release,ioctl} to sane APIs ... convert to it in callers Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2007-10-08 05:54:28 +08:00
extern int cdrom_open(struct cdrom_device_info *cdi, struct block_device *bdev,
fmode_t mode);
extern void cdrom_release(struct cdrom_device_info *cdi, fmode_t mode);
extern int cdrom_ioctl(struct cdrom_device_info *cdi, struct block_device *bdev,
fmode_t mode, unsigned int cmd, unsigned long arg);
cdrom: add ->check_events() support In principle, cdrom just needs to pass through ->check_events() but CDROM_MEDIA_CHANGED ioctl makes things a bit more complex. Just as with ->media_changed() support, cdrom code needs to buffer the events and serve them to ioctl and vfs as requested. As the code has to deal with both ->check_events() and ->media_changed(), and vfs and ioctl event buffering, this patch adds check_events caching on top of the existing cdi->mc_flags buffering. It may be a good idea to deprecate CDROM_MEDIA_CHANGED ioctl and remove all this mess. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
2010-12-09 03:57:38 +08:00
extern unsigned int cdrom_check_events(struct cdrom_device_info *cdi,
unsigned int clearing);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
block: add a cdrom_device_info pointer to struct gendisk Add a pointer to the CDROM information structure to struct gendisk. This will allow various removable media file systems to call directly into the CDROM layer instead of abusing ioctls with kernel pointers. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
2020-04-25 15:57:00 +08:00
extern int register_cdrom(struct gendisk *disk, struct cdrom_device_info *cdi);
cdrom: make unregister_cdrom() return void Now unregister_cdrom() always returns 0. Make it return void and update all callers that check the return value. Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com> Cc: Adrian McMenamin <adrian@mcmen.demon.co.uk> Cc: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-03-26 19:09:02 +08:00
extern void unregister_cdrom(struct cdrom_device_info *cdi);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
typedef struct {
int data;
int audio;
int cdi;
int xa;
long error;
} tracktype;
extern int cdrom_get_last_written(struct cdrom_device_info *cdi, long *last_written);
extern int cdrom_number_of_slots(struct cdrom_device_info *cdi);
extern int cdrom_mode_select(struct cdrom_device_info *cdi,
struct packet_command *cgc);
extern int cdrom_mode_sense(struct cdrom_device_info *cdi,
struct packet_command *cgc,
int page_code, int page_control);
extern void init_cdrom_command(struct packet_command *cgc,
void *buffer, int len, int type);
cdrom: Make device operations read-only Since function tables are a common target for attackers, it's best to keep them in read-only memory. As such, this makes the CDROM device ops tables const. This drops additionally n_minors, since it isn't used meaningfully, and sets the only user of cdrom_dummy_generic_packet explicitly so the variables can all be const. Inspired by similar changes in grsecurity/PaX. Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jens Axboe <axboe@fb.com>
2017-02-14 08:25:26 +08:00
extern int cdrom_dummy_generic_packet(struct cdrom_device_info *cdi,
struct packet_command *cgc);
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
/* The SCSI spec says there could be 256 slots. */
#define CDROM_MAX_SLOTS 256
struct cdrom_mechstat_header {
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 fault : 1;
__u8 changer_state : 2;
__u8 curslot : 5;
__u8 mech_state : 3;
__u8 door_open : 1;
__u8 reserved1 : 4;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 curslot : 5;
__u8 changer_state : 2;
__u8 fault : 1;
__u8 reserved1 : 4;
__u8 door_open : 1;
__u8 mech_state : 3;
#endif
__u8 curlba[3];
__u8 nslots;
__u16 slot_tablelen;
};
struct cdrom_slot {
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 disc_present : 1;
__u8 reserved1 : 6;
__u8 change : 1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 change : 1;
__u8 reserved1 : 6;
__u8 disc_present : 1;
#endif
__u8 reserved2[3];
};
struct cdrom_changer_info {
struct cdrom_mechstat_header hdr;
struct cdrom_slot slots[CDROM_MAX_SLOTS];
};
typedef enum {
mechtype_caddy = 0,
mechtype_tray = 1,
mechtype_popup = 2,
mechtype_individual_changer = 4,
mechtype_cartridge_changer = 5
} mechtype_t;
typedef struct {
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 ps : 1;
__u8 reserved1 : 1;
__u8 page_code : 6;
__u8 page_length;
__u8 reserved2 : 1;
__u8 bufe : 1;
__u8 ls_v : 1;
__u8 test_write : 1;
__u8 write_type : 4;
__u8 multi_session : 2; /* or border, DVD */
__u8 fp : 1;
__u8 copy : 1;
__u8 track_mode : 4;
__u8 reserved3 : 4;
__u8 data_block_type : 4;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 page_code : 6;
__u8 reserved1 : 1;
__u8 ps : 1;
__u8 page_length;
__u8 write_type : 4;
__u8 test_write : 1;
__u8 ls_v : 1;
__u8 bufe : 1;
__u8 reserved2 : 1;
__u8 track_mode : 4;
__u8 copy : 1;
__u8 fp : 1;
__u8 multi_session : 2; /* or border, DVD */
__u8 data_block_type : 4;
__u8 reserved3 : 4;
#endif
__u8 link_size;
__u8 reserved4;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved5 : 2;
__u8 app_code : 6;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 app_code : 6;
__u8 reserved5 : 2;
#endif
__u8 session_format;
__u8 reserved6;
[PATCH] cdrom: add endianness annotations Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-02 06:10:40 +08:00
__be32 packet_size;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
__u16 audio_pause;
__u8 mcn[16];
__u8 isrc[16];
__u8 subhdr0;
__u8 subhdr1;
__u8 subhdr2;
__u8 subhdr3;
} __attribute__((packed)) write_param_page;
struct modesel_head
{
__u8 reserved1;
__u8 medium;
__u8 reserved2;
__u8 block_desc_length;
__u8 density;
__u8 number_of_blocks_hi;
__u8 number_of_blocks_med;
__u8 number_of_blocks_lo;
__u8 reserved3;
__u8 block_length_hi;
__u8 block_length_med;
__u8 block_length_lo;
};
typedef struct {
__u16 report_key_length;
__u8 reserved1;
__u8 reserved2;
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 type_code : 2;
__u8 vra : 3;
__u8 ucca : 3;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 ucca : 3;
__u8 vra : 3;
__u8 type_code : 2;
#endif
__u8 region_mask;
__u8 rpc_scheme;
__u8 reserved3;
} rpc_state_t;
struct event_header {
[PATCH] cdrom: add endianness annotations Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-12-02 06:10:40 +08:00
__be16 data_len;
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 nea : 1;
__u8 reserved1 : 4;
__u8 notification_class : 3;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 notification_class : 3;
__u8 reserved1 : 4;
__u8 nea : 1;
#endif
__u8 supp_event_class;
};
struct media_event_desc {
#if defined(__BIG_ENDIAN_BITFIELD)
__u8 reserved1 : 4;
__u8 media_event_code : 4;
__u8 reserved2 : 6;
__u8 media_present : 1;
__u8 door_open : 1;
#elif defined(__LITTLE_ENDIAN_BITFIELD)
__u8 media_event_code : 4;
__u8 reserved1 : 4;
__u8 door_open : 1;
__u8 media_present : 1;
__u8 reserved2 : 6;
#endif
__u8 start_slot;
__u8 end_slot;
};
extern int cdrom_get_media_event(struct cdrom_device_info *cdi, struct media_event_desc *med);
ide-cd: move lba_to_msf() and msf_to_lba() to <linux/cdrom.h> * Move lba_to_msf() and msf_to_lba() to <linux/cdrom.h> (use 'u8' type instead of 'byte' while at it). * Remove msf_to_lba() copy from drivers/cdrom/cdrom.c. Acked-by: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
2008-02-02 06:09:24 +08:00
static inline void lba_to_msf(int lba, u8 *m, u8 *s, u8 *f)
{
lba += CD_MSF_OFFSET;
lba &= 0xffffff; /* negative lbas use only 24 bits */
*m = lba / (CD_SECS * CD_FRAMES);
lba %= (CD_SECS * CD_FRAMES);
*s = lba / CD_FRAMES;
*f = lba % CD_FRAMES;
}
static inline int msf_to_lba(u8 m, u8 s, u8 f)
{
return (((m * CD_SECS) + s) * CD_FRAMES + f) - CD_MSF_OFFSET;
}
Linux-2.6.12-rc2 Initial git repository build. I'm not bothering with the full history, even though we have it. We can create a separate "historical" git archive of that later if we want to, and in the meantime it's about 3.2GB when imported into git - space that would just make the early git days unnecessarily complicated, when we don't have a lot of good infrastructure for it. Let it rip!
2005-04-17 06:20:36 +08:00
#endif /* _LINUX_CDROM_H */