patch-1.3.40 linux/include/linux/fd.h
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- Lines: 404
- Date:
Sat Nov 11 14:51:55 1995
- Orig file:
v1.3.39/linux/include/linux/fd.h
- Orig date:
Fri Oct 13 14:44:45 1995
diff -u --recursive --new-file v1.3.39/linux/include/linux/fd.h linux/include/linux/fd.h
@@ -1,62 +1,26 @@
#ifndef _LINUX_FD_H
#define _LINUX_FD_H
-/* new interface flag */
-#define FDHAVEBATCHEDRAWCMD
-
-/* commands needing write access have 0x40 set */
-/* commands needing super user access have 0x80 set */
-
-#define FDCLRPRM 0x0241 /* clear user-defined parameters */
-#define FDSETPRM 0x0242 /* set user-defined parameters for current media */
-#define FDSETMEDIAPRM 0x0242
-#define FDDEFPRM 0x0243 /* set user-defined parameters until explicitly
- * cleared */
-#define FDDEFMEDIAPRM 0x0243
-#define FDGETPRM 0x0204 /* get disk parameters */
-#define FDGETMEDIAPRM 0x0204
-#define FDMSGON 0x0205 /* issue kernel messages on media type change */
-#define FDMSGOFF 0x0206 /* don't issue kernel messages on media type change */
-#define FDFMTBEG 0x0247 /* begin formatting a disk */
-#define FDFMTTRK 0x0248 /* format the specified track */
-#define FDFMTEND 0x0249 /* end formatting a disk */
-#define FDSETEMSGTRESH 0x024a /* set fdc error reporting threshold */
-#define FDFLUSH 0x024b /* flush buffers for media; either for verifying media, or for
- handling a media change without closing the file
- descriptor */
-#define FDSETMAXERRS 0x024c /* set abortion and read_track threshold */
-#define FDGETMAXERRS 0x020e /* get abortion and read_track threshold */
-#define FDGETDRVTYP 0x020f /* get drive type: 5 1/4 or 3 1/2 */
-
-#define FDSETDRVPRM 0x0250 /* set drive parameters */
-#define FDGETDRVPRM 0x0211 /* get drive parameters */
-#define FDGETDRVSTAT 0x0212 /* get drive state */
-#define FDPOLLDRVSTAT 0x0213 /* get drive state */
-#define FDRESET 0x0254 /* reset FDC */
+#include <linux/ioctl.h>
-#ifndef __ASSEMBLY__
-enum reset_mode {
- FD_RESET_IF_NEEDED ,
- FD_RESET_IF_RAWCMD ,
- FD_RESET_ALWAYS };
-#endif
-
-#define FDGETFDCSTAT 0x0215 /* get fdc state */
-#define FDWERRORCLR 0x0256 /* clear write error and badness information */
-#define FDWERRORGET 0x0217 /* get write error and badness information */
-
-#define FDRAWCMD 0x0258 /* send a raw command to the fdc */
-
-#define FDTWADDLE 0x0259 /* flicker motor-on bit before reading a sector */
+/* New file layout: Now the ioctl definitions immediately follow the
+ * definitions of the structures that they use */
/*
- * Maximum number of sectors in a track buffer. Track buffering is disabled
- * if tracks are bigger.
+ * Geometry
*/
-#define MAX_BUFFER_SECTORS 24 /* was 18 -bb */
+struct floppy_struct {
+ unsigned int size, /* nr of sectors total */
+ sect, /* sectors per track */
+ head, /* nr of heads */
+ track, /* nr of tracks */
+ stretch; /* !=0 means double track steps */
+#define FD_STRETCH 1
+#define FD_SWAPSIDES 2
-#define FD_FILL_BYTE 0xF6 /* format fill byte */
+ unsigned char gap, /* gap1 size */
+ rate, /* data rate. |= 0x40 for perpendicular */
#define FD_2M 0x4
#define FD_SIZECODEMASK 0x38
#define FD_SIZECODE(floppy) (((((floppy)->rate&FD_SIZECODEMASK)>> 3)+ 2) %8)
@@ -64,28 +28,54 @@
512 : 128 << FD_SIZECODE(floppy) )
#define FD_PERP 0x40
-#define FD_STRETCH 1
-#define FD_SWAPSIDES 2
-
-#ifndef __ASSEMBLY__
-/* the following structure is used by FDSETPRM, FDDEFPRM and FDGETPRM */
-struct floppy_struct {
- unsigned int size, /* nr of sectors total */
- sect, /* sectors per track */
- head, /* nr of heads */
- track, /* nr of tracks */
- stretch; /* !=0 means double track steps */
- unsigned char gap, /* gap1 size */
- rate, /* data rate. |= 0x40 for perpendicular */
spec1, /* stepping rate, head unload time */
fmt_gap; /* gap2 size */
const char * name; /* used only for predefined formats */
};
+
+/* commands needing write access have 0x40 set */
+/* commands needing super user access have 0x80 set */
+
+#define FDCLRPRM _IO(2, 0x41)
+/* clear user-defined parameters */
+
+#define FDSETPRM _IOW(2, 0x42, struct floppy_struct)
+#define FDSETMEDIAPRM FDSETPRM
+/* set user-defined parameters for current media */
+
+#define FDDEFPRM _IOW(2, 0x43, struct floppy_struct)
+#define FDGETPRM _IOR(2, 0x04, struct floppy_struct)
+#define FDDEFMEDIAPRM FDDEFPRM
+#define FDGETMEDIAPRM FDGETPRM
+/* set/get disk parameters */
+
+
+#define FDMSGON _IO(2,0x45)
+#define FDMSGOFF _IO(2,0x46)
+/* issue/don't issue kernel messages on media type change */
+
+
+/*
+ * Formatting (obsolete)
+ */
+#define FD_FILL_BYTE 0xF6 /* format fill byte. */
+
struct format_descr {
unsigned int device,head,track;
};
+#define FDFMTBEG _IO(2,0x47)
+/* begin formatting a disk */
+#define FDFMTTRK _IOW(2,0x48, struct format_descr)
+/* format the specified track */
+#define FDFMTEND _IO(2,0x49)
+/* end formatting a disk */
+
+
+/*
+ * Error thresholds
+ */
struct floppy_max_errors {
unsigned int
abort, /* number of errors to be reached before aborting */
@@ -104,7 +94,27 @@
};
-/* the following structure is used by FDSETDRVPRM and FDGETDRVPRM */
+#define FDSETEMSGTRESH _IO(2,0x4a)
+/* set fdc error reporting threshold */
+
+#define FDFLUSH _IO(2,0x4b)
+/* flush buffers for media; either for verifying media, or for
+ * handling a media change without closing the file descriptor */
+
+#define FDSETMAXERRS _IOW(2, 0x4c, struct floppy_max_errors)
+#define FDGETMAXERRS _IOR(2, 0x0e, struct floppy_max_errors)
+/* set/get abortion and read_track threshold. See also floppy_drive_params
+ * structure */
+
+
+typedef char floppy_drive_name[16];
+#define FDGETDRVTYP _IOR(2, 0x0f, floppy_drive_name)
+/* get drive type: 5 1/4 or 3 1/2 */
+
+
+/*
+ * Drive parameters (user modifyable)
+ */
struct floppy_drive_params {
char cmos; /* cmos type */
@@ -160,15 +170,25 @@
};
enum {
- FD_NEED_TWADDLE_BIT, /* more magic */
- FD_VERIFY_BIT, /* inquire for write protection */
- FD_DISK_NEWCHANGE_BIT, /* change detected, and no action undertaken yet
- * to clear media change status */
+ FD_NEED_TWADDLE_BIT, /* more magic */
+ FD_VERIFY_BIT, /* inquire for write protection */
+ FD_DISK_NEWCHANGE_BIT, /* change detected, and no action undertaken yet
+ * to clear media change status */
FD_UNUSED_BIT,
- FD_DISK_CHANGED_BIT, /* disk has been changed since last i/o */
- FD_DISK_WRITABLE_BIT /* disk is writable */
+ FD_DISK_CHANGED_BIT, /* disk has been changed since last i/o */
+ FD_DISK_WRITABLE_BIT /* disk is writable */
};
+#define FDSETDRVPRM _IOW(2, 0x90, struct floppy_drive_params)
+#define FDGETDRVPRM _IOR(2, 0x11, struct floppy_drive_params)
+/* set/get drive parameters */
+
+
+/*
+ * Current drive state (not directly modifyable by user, readonly)
+ */
+struct floppy_drive_struct {
+ signed char flags;
/* values for these flags */
#define FD_NEED_TWADDLE (1 << FD_NEED_TWADDLE_BIT)
#define FD_VERIFY (1 << FD_VERIFY_BIT)
@@ -176,10 +196,6 @@
#define FD_DISK_CHANGED (1 << FD_DISK_CHANGED_BIT)
#define FD_DISK_WRITABLE (1 << FD_DISK_WRITABLE_BIT)
-#define FD_DRIVE_PRESENT 0 /* keep fdpatch utils compiling */
-
-struct floppy_drive_struct {
- signed char flags;
unsigned long spinup_date;
unsigned long select_date;
unsigned long first_read_date;
@@ -206,28 +222,25 @@
int bufblocks;
};
-struct floppy_write_errors {
- /* Write error logging.
- *
- * These fields can be cleared with the FDWERRORCLR ioctl.
- * Only writes that were attempted but failed due to a physical media
- * error are logged. write(2) calls that fail and return an error code
- * to the user process are not counted.
- */
+#define FDGETDRVSTAT _IOR(2, 0x12, struct floppy_drive_struct)
+#define FDPOLLDRVSTAT _IOR(2, 0x13, struct floppy_drive_struct)
+/* get drive state: GET returns the cached state, POLL polls for new state */
- unsigned int write_errors; /* number of physical write errors
- * encountered */
-
- /* position of first and last write errors */
- unsigned long first_error_sector;
- int first_error_generation;
- unsigned long last_error_sector;
- int last_error_generation;
-
- unsigned int badness; /* highest retry count for a read or write
- * operation */
+
+/*
+ * reset FDC
+ */
+enum reset_mode {
+ FD_RESET_IF_NEEDED, /* reset only if the reset flags is set */
+ FD_RESET_IF_RAWCMD, /* obsolete */
+ FD_RESET_ALWAYS /* reset always */
};
+#define FDRESET _IO(2, 0x54)
+
+/*
+ * FDC state
+ */
struct floppy_fdc_state {
int spec1; /* spec1 value last used */
int spec2; /* spec2 value last used */
@@ -241,26 +254,6 @@
unsigned int perp_mode:2;
unsigned int has_fifo:1;
unsigned int driver_version; /* version code for floppy driver */
-
- unsigned char track[4]; /* Position of the heads of the 4
- * units attached to this FDC, as
- * stored on the FDC. In the future,
- * the position as stored on the FDC
- * might not agree with the actual
- * physical position of these drive
- * heads. By allowing such
- * disagreement, it will be possible
- * to reset the FDC without incurring
- * the expensive cost of repositioning
- * all heads.
- * Right now, these positions are
- * hard wired to 0. */
-
- unsigned int reserved1;
- unsigned int reserved2;
-};
-
-
#define FD_DRIVER_VERSION 0x100
/* user programs using the floppy API should use floppy_fdc_state to
* get the version number of the floppy driver that they are running
@@ -269,33 +262,59 @@
* to bigger structures
*/
+ unsigned char track[4];
+ /* Position of the heads of the 4 units attached to this FDC,
+ * as stored on the FDC. In the future, the position as stored
+ * on the FDC might not agree with the actual physical
+ * position of these drive heads. By allowing such
+ * disagreement, it will be possible to reset the FDC without
+ * incurring the expensive cost of repositioning all heads.
+ * Right now, these positions are hard wired to 0. */
-struct floppy_raw_cmd {
- unsigned int flags;
- void *data;
- char *kernel_data; /* location of data buffer in the kernel */
- struct floppy_raw_cmd *next; /* used for chaining of raw cmd's
- * withing the kernel */
- long length; /* in: length of dma transfer. out: remaining bytes */
- long phys_length; /* physical length, if different from dma length */
- int buffer_length; /* length of allocated buffer */
+};
- unsigned char rate;
- unsigned char cmd_count;
- unsigned char cmd[16];
- unsigned char reply_count;
- unsigned char reply[16];
- int track;
- int resultcode;
+#define FDGETFDCSTAT _IOR(2, 0x15, struct floppy_fdc_state)
- int reserved1;
- int reserved2;
+
+/*
+ * Asynchronous Write error tracking
+ */
+struct floppy_write_errors {
+ /* Write error logging.
+ *
+ * These fields can be cleared with the FDWERRORCLR ioctl.
+ * Only writes that were attempted but failed due to a physical media
+ * error are logged. write(2) calls that fail and return an error code
+ * to the user process are not counted.
+ */
+
+ unsigned int write_errors; /* number of physical write errors
+ * encountered */
+
+ /* position of first and last write errors */
+ unsigned long first_error_sector;
+ int first_error_generation;
+ unsigned long last_error_sector;
+ int last_error_generation;
+
+ unsigned int badness; /* highest retry count for a read or write
+ * operation */
};
-#endif
-/* meaning of the various bytes */
+#define FDWERRORCLR _IO(2, 0x56)
+/* clear write error and badness information */
+#define FDWERRORGET _IOR(2, 0x17, struct floppy_write_errors)
+/* get write error and badness information */
+
-/* flags */
+/*
+ * Raw commands
+ */
+/* new interface flag: now we can do them in batches */
+#define FDHAVEBATCHEDRAWCMD
+
+struct floppy_raw_cmd {
+ unsigned int flags;
#define FD_RAW_READ 1
#define FD_RAW_WRITE 2
#define FD_RAW_NO_MOTOR 4
@@ -317,4 +336,33 @@
/* more "out" flags */
#define FD_RAW_FAILURE 0x10000 /* command sent to fdc, fdc returned error */
#define FD_RAW_HARDFAILURE 0x20000 /* fdc had to be reset, or timed out */
+
+ void *data;
+ char *kernel_data; /* location of data buffer in the kernel */
+ struct floppy_raw_cmd *next; /* used for chaining of raw cmd's
+ * withing the kernel */
+ long length; /* in: length of dma transfer. out: remaining bytes */
+ long phys_length; /* physical length, if different from dma length */
+ int buffer_length; /* length of allocated buffer */
+
+ unsigned char rate;
+ unsigned char cmd_count;
+ unsigned char cmd[16];
+ unsigned char reply_count;
+ unsigned char reply[16];
+ int track;
+ int resultcode;
+
+ int reserved1;
+ int reserved2;
+};
+
+#define FDRAWCMD _IO(2, 0x58)
+/* send a raw command to the fdc. Structure size not included, because of
+ * batches */
+
+#define FDTWADDLE _IO(2, 0x59)
+/* flicker motor-on bit before reading a sector. Experimental */
+
+
#endif
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov
with Sam's (original) version of this