SUNRPC: RPC metrics and RTT estimator should use same RTT value

[safe/jmp/linux-2.6] / include / linux / cdrom.h

diff --git a/include/linux/cdrom.h b/include/linux/cdrom.h
index f50f04b..78e9047 100644 (file)
--- a/include/linux/cdrom.h
+++ b/include/linux/cdrom.h
@@ -2,7 +2,7 @@
  * -- <linux/cdrom.h>
  * General header file for linux CD-ROM drivers 
  * Copyright (C) 1992         David Giller, rafetmad@oxy.edu
- *               1994, 1995   Eberhard Moenkeberg, emoenke@gwdg.de
+ *               1994, 1995   Eberhard Mönkeberg, emoenke@gwdg.de
  *               1996         David van Leeuwen, david@tm.tno.nl
  *               1997, 1998   Erik Andersen, andersee@debian.org
  *               1998-2002    Jens Axboe, axboe@suse.de
@@ -11,6 +11,7 @@
 #ifndef        _LINUX_CDROM_H
 #define        _LINUX_CDROM_H
 
+#include <linux/types.h>
 #include <asm/byteorder.h>
 
 /*******************************************************
@@ -76,7 +77,7 @@
                                            (struct cdrom_multisession) */
 #define CDROM_GET_MCN          0x5311 /* Obtain the "Universal Product Code" 
                                            if available (struct cdrom_mcn) */
-#define CDROM_GET_UPC          CDROM_GET_MCN  /* This one is depricated, 
+#define CDROM_GET_UPC          CDROM_GET_MCN  /* This one is deprecated, 
                                           but here anyway for compatibility */
 #define CDROMRESET             0x5312 /* hard-reset the drive */
 #define CDROMVOLREAD           0x5313 /* Get the drive's volume setting 
@@ -414,8 +415,8 @@ struct cdrom_generic_command
 #define CDO_CHECK_TYPE         0x10    /* check type on open for data */
 
 /* Special codes used when specifying changer slots. */
-#define CDSL_NONE              ((int) (~0U>>1)-1)
-#define CDSL_CURRENT           ((int) (~0U>>1))
+#define CDSL_NONE              (INT_MAX-1)
+#define CDSL_CURRENT           INT_MAX
 
 /* For partition based multisession access. IDE can handle 64 partitions
  * per drive - SCSI CD-ROM's use minors to differentiate between the
@@ -451,6 +452,7 @@ struct cdrom_generic_command
 #define GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL  0x1e
 #define GPCMD_READ_10                      0x28
 #define GPCMD_READ_12                      0xa8
+#define GPCMD_READ_BUFFER                  0x3c
 #define GPCMD_READ_BUFFER_CAPACITY         0x5c
 #define GPCMD_READ_CDVD_CAPACITY           0x25
 #define GPCMD_READ_CD                      0xbe
@@ -480,7 +482,9 @@ struct cdrom_generic_command
 #define GPCMD_TEST_UNIT_READY              0x00
 #define GPCMD_VERIFY_10                            0x2f
 #define GPCMD_WRITE_10                     0x2a
+#define GPCMD_WRITE_12                     0xaa
 #define GPCMD_WRITE_AND_VERIFY_10          0x2e
+#define GPCMD_WRITE_BUFFER                 0x3b
 /* This is listed as optional in ATAPI 2.6, but is (curiously) 
  * missing from Mt. Fuji, Table 57.  It _is_ mentioned in Mt. Fuji
  * Table 377 as an MMC command for SCSi devices though...  Most ATAPI
@@ -506,7 +510,7 @@ struct cdrom_generic_command
 #define GPMODE_TO_PROTECT_PAGE         0x1d
 #define GPMODE_CAPABILITIES_PAGE       0x2a
 #define GPMODE_ALL_PAGES               0x3f
-/* Not in Mt. Fuji, but in ATAPI 2.6 -- depricated now in favor
+/* Not in Mt. Fuji, but in ATAPI 2.6 -- deprecated now in favor
  * of MODE_SENSE_POWER_PAGE */
 #define GPMODE_CDROM_PAGE              0x0d
 
@@ -907,6 +911,7 @@ struct mode_page_header {
 #ifdef __KERNEL__
 #include <linux/fs.h>          /* not really needed, later.. */
 #include <linux/device.h>
+#include <linux/list.h>
 
 struct packet_command
 {
@@ -931,7 +936,7 @@ struct packet_command
 /* Uniform cdrom data structures for cdrom.c */
 struct cdrom_device_info {
        struct cdrom_device_ops  *ops;  /* link to device_ops */
-       struct cdrom_device_info *next; /* next device_info for this major */
+       struct list_head list;          /* linked list of all device_info */
        struct gendisk *disk;           /* matching block layer disk */
        void *handle;                   /* driver-dependent data */
 /* specifications */
@@ -983,15 +988,15 @@ struct cdrom_device_ops {
 };
 
 /* the general block_device operations structure: */
-extern int cdrom_open(struct cdrom_device_info *cdi, struct inode *ip,
-                       struct file *fp);
-extern int cdrom_release(struct cdrom_device_info *cdi, struct file *fp);
-extern int cdrom_ioctl(struct file *file, struct cdrom_device_info *cdi,
-               struct inode *ip, unsigned int cmd, unsigned long arg);
+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);
 extern int cdrom_media_changed(struct cdrom_device_info *);
 
 extern int register_cdrom(struct cdrom_device_info *cdi);
-extern int unregister_cdrom(struct cdrom_device_info *cdi);
+extern void unregister_cdrom(struct cdrom_device_info *cdi);
 
 typedef struct {
     int data;
@@ -1184,6 +1189,20 @@ struct media_event_desc {
 
 extern int cdrom_get_media_event(struct cdrom_device_info *cdi, struct media_event_desc *med);
 
+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;
+}
 #endif  /* End of kernel only stuff */ 
 
 #endif  /* _LINUX_CDROM_H */