floppy.c File Reference

#include "floppy.h"
#include <timers.h>
#include <ibm/diskparm.h>
#include <minix/sysutil.h>
#include <minix/syslib.h>

Include dependency graph for floppy.c:

Go to the source code of this file.

Data Structures
struct	density
struct	test_order
struct	floppy
Defines
#define	DOR   0x3F2
#define	FDC_STATUS   0x3F4
#define	FDC_DATA   0x3F5
#define	FDC_RATE   0x3F7
#define	DMA_ADDR   0x004
#define	DMA_TOP   0x081
#define	DMA_COUNT   0x005
#define	DMA_FLIPFLOP   0x00C
#define	DMA_MODE   0x00B
#define	DMA_INIT   0x00A
#define	DMA_RESET_VAL   0x006
#define	DMA_ADDR_MASK   0xFFFFFF
#define	ST0   0x00
#define	ST1   0x01
#define	ST2   0x02
#define	ST3   0x00
#define	ST_CYL   0x03
#define	ST_HEAD   0x04
#define	ST_SEC   0x05
#define	ST_PCN   0x01
#define	CTL_BUSY   0x10
#define	DIRECTION   0x40
#define	MASTER   0x80
#define	MOTOR_SHIFT   4
#define	ENABLE_INT   0x0C
#define	ST0_BITS_TRANS   0xD8
#define	TRANS_ST0   0x00
#define	ST0_BITS_SEEK   0xF8
#define	SEEK_ST0   0x20
#define	BAD_SECTOR   0x05
#define	WRITE_PROTECT   0x02
#define	BAD_CYL   0x1F
#define	ST3_FAULT   0x80
#define	ST3_WR_PROTECT   0x40
#define	ST3_READY   0x20
#define	FDC_SEEK   0x0F
#define	FDC_READ   0xE6
#define	FDC_WRITE   0xC5
#define	FDC_SENSE   0x08
#define	FDC_RECALIBRATE   0x07
#define	FDC_SPECIFY   0x03
#define	FDC_READ_ID   0x4A
#define	FDC_FORMAT   0x4D
#define	DMA_READ   0x46
#define	DMA_WRITE   0x4A
#define	HC_SIZE   2880
#define	NR_HEADS   0x02
#define	MAX_SECTORS   18
#define	DTL   0xFF
#define	SPEC2   0x02
#define	MOTOR_OFF   (3*HZ)
#define	WAKEUP   (2*HZ)
#define	ERR_SEEK   (-1)
#define	ERR_TRANSFER   (-2)
#define	ERR_STATUS   (-3)
#define	ERR_READ_ID   (-4)
#define	ERR_RECALIBRATE   (-5)
#define	ERR_DRIVE   (-6)
#define	ERR_WR_PROTECT   (-7)
#define	ERR_TIMEOUT   (-8)
#define	err_no_retry(err)   ((err) <= ERR_WR_PROTECT)
#define	DEV_TYPE_BITS   0x7C
#define	DEV_TYPE_SHIFT   2
#define	FORMAT_DEV_BIT   0x80
#define	MAX_ERRORS   6
#define	MAX_RESULTS   7
#define	NR_DRIVES   2
#define	DIVISOR   128
#define	SECTOR_SIZE_CODE   2
#define	TIMEOUT_MICROS   500000L
#define	TIMEOUT_TICKS   30
#define	NT   7
#define	UNCALIBRATED   0
#define	CALIBRATED   1
#define	BASE_SECTOR   1
#define	NO_SECTOR   (-1)
#define	NO_CYL   (-1)
#define	NO_DENS   100
#define	BSY_IDLE   0
#define	BSY_IO   1
#define	BSY_WAKEN   2
#define	b(d)   (1 << (d))
Functions
FORWARD	_PROTOTYPE (void f_expire_tmrs,(struct driver *dp, message *m_ptr))
FORWARD	_PROTOTYPE (void f_set_timer,(timer_t *tp, clock_t delta, tmr_func_t watchdog))
FORWARD	_PROTOTYPE (void stop_motor,(timer_t *tp))
FORWARD	_PROTOTYPE (struct device *f_prepare,(int device))
FORWARD	_PROTOTYPE (char *f_name,(void))
FORWARD	_PROTOTYPE (void f_cleanup,(void))
FORWARD	_PROTOTYPE (int f_transfer,(int proc_nr, int opcode, off_t position, iovec_t *iov, unsigned nr_req))
FORWARD	_PROTOTYPE (int dma_setup,(int opcode))
FORWARD	_PROTOTYPE (int seek,(void))
FORWARD	_PROTOTYPE (int fdc_command,(u8_t *cmd, int len))
FORWARD	_PROTOTYPE (void fdc_out,(int val))
FORWARD	_PROTOTYPE (int f_do_open,(struct driver *dp, message *m_ptr))
FORWARD	_PROTOTYPE (int test_read,(int density))
FORWARD	_PROTOTYPE (void f_geometry,(struct partition *entry))
PUBLIC void	main ()
PRIVATE void	f_expire_tmrs (struct driver *dp, message *m_ptr)
PRIVATE void	f_set_timer (timer_t *tp, clock_t delta, tmr_func_t watchdog)
PRIVATE struct device *	f_prepare (int device)
PRIVATE char *	f_name ()
PRIVATE void	f_cleanup ()
PRIVATE int	f_transfer (int proc_nr, int opcode, off_t position, iovec_t *iov, unsigned nr_req)
PRIVATE int	dma_setup (int opcode)
PRIVATE void	start_motor ()
PRIVATE void	stop_motor (timer_t *tp)
PRIVATE void	floppy_stop (struct driver *dp, message *m_ptr)
PRIVATE int	seek ()
PRIVATE int	fdc_transfer (int opcode)
PRIVATE int	fdc_results ()
PRIVATE int	fdc_command (u8_t *cmd, int len)
PRIVATE void	fdc_out (int val)
PRIVATE int	recalibrate ()
PRIVATE void	f_reset ()
PRIVATE int	f_intr_wait ()
PRIVATE void	f_timeout (timer_t *tp)
PRIVATE int	read_id ()
PRIVATE int	f_do_open (struct driver *dp, message *m_ptr)
PRIVATE int	test_read (int density)
PRIVATE void	f_geometry (struct partition *entry)
Variables
PRIVATE struct density	fdensity [NT]
PRIVATE int	irq_hook_id
PRIVATE int	motor_status
PRIVATE int	need_reset
PRIVATE unsigned	f_drive
PRIVATE unsigned	f_device
PRIVATE struct floppy *	f_fp
PRIVATE struct density *	f_dp
PRIVATE struct density *	prev_dp
PRIVATE unsigned	f_sectors
PRIVATE u16_t	f_busy
PRIVATE struct device *	f_dv
PRIVATE struct disk_parameter_s	fmt_param
PRIVATE u8_t	f_results [MAX_RESULTS]
PRIVATE timer_t	f_tmr_timeout
PRIVATE timer_t *	f_timers
PRIVATE clock_t	f_next_timeout
PRIVATE struct driver	f_dtab

---

Define Documentation

#define b (  d   )     (1 << (d))

Definition at line 187 of file floppy.c. Referenced by _log(), _wrf(), _wsr(), add_z_1(), add_z_2(), alloc_bit(), alloc_inode(), alloc_zone(), aohand(), ask_kbuf(), askerr(), bit_count(), buf_mod(), buf_tmod(), clear_zone(), common_open(), do_rdlink(), dump_dir(), dump_file(), ee_wds(), ee_wen(), eeprom_addrsize(), eeprom_read(), encrypt(), enter_dir(), errsbm(), ether_hostton(), ether_ntohost(), f_describe(), f_kbuffer(), f_listbufs(), f_repline(), f_retsup(), f_savefiles(), f_selbuffer(), f_selxbuffer(), f_skmac(), f_vkmac(), fatal(), fgetln(), find_buf(), find_file(), free_inode(), from_cu(), get_block(), get_ee_word(), getlab(), getn(), gzgets(), handle_req(), imhand(), incr_link(), incr_size(), inet_ntoa(), iwritfile(), kill_buf(), lerr(), log(), lookup(), ltraverse(), mahand(), main(), make_buf(), make_mode(), make_win(), match(), mdel(), mihand(), mmhand(), mtrans(), new_block(), panic(), print_fs(), proxy(), r_vir2abs(), read_ahead(), read_map(), read_more(), read_standards(), regc(), rijndael_cfb1_decrypt(), rijndael_cfb1_encrypt(), rijndael_Decrypt(), rijndael_Encrypt(), rijndael_makekey(), rw_chunk(), rw_inode(), saveworld(), scan_keyboard(), search_dir(), sel_mbuf(), sel_nbuf(), ser_putc(), set_ee_word(), set_fn(), size_device(), test02(), test05(), test06(), test10(), test11(), test19b(), test19e(), timing_dmp(), tqhand(), u_r_file(), unlk_buf(), warn(), we_init(), write_map(), and zeroblock_range().

#define BAD_CYL   0x1F

Definition at line 77 of file floppy.c.

#define BAD_SECTOR   0x05

Definition at line 73 of file floppy.c.

#define BASE_SECTOR   1

Definition at line 136 of file floppy.c. Referenced by fdc_transfer(), and read_id().

#define BSY_IDLE   0

Definition at line 140 of file floppy.c. Referenced by f_intr_wait(), f_reset(), seek(), and start_motor().

#define BSY_IO   1

Definition at line 141 of file floppy.c. Referenced by f_intr_wait(), f_reset(), f_timeout(), fdc_command(), seek(), and start_motor().

#define BSY_WAKEN   2

Definition at line 142 of file floppy.c. Referenced by f_intr_wait(), and f_timeout().

#define CALIBRATED   1

Definition at line 135 of file floppy.c. Referenced by recalibrate().

#define CTL_BUSY   0x10

Definition at line 58 of file floppy.c. Referenced by fdc_results().

#define DEV_TYPE_BITS   0x7C

Definition at line 121 of file floppy.c. Referenced by f_do_open(), and f_prepare().

#define DEV_TYPE_SHIFT   2

Definition at line 122 of file floppy.c. Referenced by f_do_open(), f_prepare(), and test_read().

#define DIRECTION   0x40

Definition at line 59 of file floppy.c. Referenced by fdc_out(), and fdc_results().

#define DIVISOR   128

Definition at line 129 of file floppy.c.

#define DMA_ADDR   0x004

Definition at line 36 of file floppy.c. Referenced by dma_setup().

#define DMA_ADDR_MASK   0xFFFFFF

Definition at line 44 of file floppy.c. Referenced by dma_setup().

#define DMA_COUNT   0x005

Definition at line 38 of file floppy.c. Referenced by dma_setup().

#define DMA_FLIPFLOP   0x00C

Definition at line 39 of file floppy.c. Referenced by dma_setup().

#define DMA_INIT   0x00A

Definition at line 41 of file floppy.c. Referenced by dma_setup().

#define DMA_MODE   0x00B

Definition at line 40 of file floppy.c. Referenced by dma_setup().

#define DMA_READ   0x46

Definition at line 95 of file floppy.c. Referenced by dma_setup().

#define DMA_RESET_VAL   0x006

Definition at line 42 of file floppy.c. Referenced by dma_setup().

#define DMA_TOP   0x081

Definition at line 37 of file floppy.c. Referenced by dma_setup().

#define DMA_WRITE   0x4A

Definition at line 96 of file floppy.c. Referenced by dma_setup().

#define DOR   0x3F2

Definition at line 32 of file floppy.c. Referenced by f_reset(), floppy_stop(), start_motor(), and stop_motor().

#define DTL   0xFF

Definition at line 102 of file floppy.c. Referenced by fdc_transfer().

#define ENABLE_INT   0x0C

Definition at line 64 of file floppy.c. Referenced by f_reset(), floppy_stop(), start_motor(), and stop_motor().

#define ERR_DRIVE   (-6)

Definition at line 113 of file floppy.c. Referenced by fdc_command().

#define err_no_retry (  err   )     ((err) <= ERR_WR_PROTECT)

Definition at line 118 of file floppy.c.

#define ERR_READ_ID   (-4)

Definition at line 111 of file floppy.c. Referenced by read_id().

#define ERR_RECALIBRATE   (-5)

Definition at line 112 of file floppy.c. Referenced by recalibrate().

#define ERR_SEEK   (-1)

Definition at line 108 of file floppy.c. Referenced by recalibrate(), and seek().

#define ERR_STATUS   (-3)

Definition at line 110 of file floppy.c. Referenced by fdc_results().

#define ERR_TIMEOUT   (-8)

Definition at line 115 of file floppy.c. Referenced by f_intr_wait(), fdc_transfer(), read_id(), recalibrate(), and seek().

#define ERR_TRANSFER   (-2)

Definition at line 109 of file floppy.c. Referenced by fdc_transfer().

#define ERR_WR_PROTECT   (-7)

Definition at line 114 of file floppy.c. Referenced by fdc_transfer().

#define FDC_DATA   0x3F5

Definition at line 34 of file floppy.c. Referenced by fdc_out(), and fdc_results().

#define FDC_FORMAT   0x4D

Definition at line 92 of file floppy.c. Referenced by fdc_transfer().

#define FDC_RATE   0x3F7

Definition at line 35 of file floppy.c.

#define FDC_READ   0xE6

Definition at line 86 of file floppy.c. Referenced by fdc_transfer().

#define FDC_READ_ID   0x4A

Definition at line 91 of file floppy.c. Referenced by read_id().

#define FDC_RECALIBRATE   0x07

Definition at line 89 of file floppy.c. Referenced by recalibrate().

#define FDC_SEEK   0x0F

Definition at line 85 of file floppy.c. Referenced by seek().

#define FDC_SENSE   0x08

Definition at line 88 of file floppy.c. Referenced by f_reset(), recalibrate(), and seek().

#define FDC_SPECIFY   0x03

Definition at line 90 of file floppy.c.

#define FDC_STATUS   0x3F4

Definition at line 33 of file floppy.c. Referenced by fdc_out(), and fdc_results().

#define FDC_WRITE   0xC5

Definition at line 87 of file floppy.c. Referenced by fdc_transfer().

#define FORMAT_DEV_BIT   0x80

Definition at line 123 of file floppy.c. Referenced by f_do_open(), f_prepare(), f_transfer(), fdc_transfer(), and seek().

#define HC_SIZE   2880

Definition at line 99 of file floppy.c.

#define MASTER   0x80

Definition at line 60 of file floppy.c. Referenced by fdc_out(), and fdc_results().

#define MAX_ERRORS   6

Definition at line 126 of file floppy.c.

#define MAX_RESULTS   7

Definition at line 127 of file floppy.c. Referenced by fdc_results().

#define MAX_SECTORS   18

Definition at line 101 of file floppy.c.

#define MOTOR_OFF   (3*HZ)

Definition at line 104 of file floppy.c. Referenced by f_cleanup().

#define MOTOR_SHIFT   4

Definition at line 63 of file floppy.c. Referenced by start_motor(), and stop_motor().

#define NO_CYL   (-1)

Definition at line 138 of file floppy.c. Referenced by main(), and recalibrate().

#define NO_DENS   100

Definition at line 139 of file floppy.c. Referenced by f_do_open(), and main().

#define NO_SECTOR   (-1)

Definition at line 137 of file floppy.c. Referenced by f_cleanup(), recalibrate(), seek(), and start_motor().

#define NR_DRIVES   2

Definition at line 128 of file floppy.c. Referenced by f_prepare(), and main().

#define NR_HEADS   0x02

Definition at line 100 of file floppy.c.

#define NT   7

Definition at line 133 of file floppy.c. Referenced by f_do_open(), and f_prepare().

#define SECTOR_SIZE_CODE   2

Definition at line 130 of file floppy.c. Referenced by fdc_transfer().

#define SEEK_ST0   0x20

Definition at line 70 of file floppy.c. Referenced by recalibrate(), and seek().

#define SPEC2   0x02

Definition at line 103 of file floppy.c.

#define ST0   0x00

Definition at line 47 of file floppy.c. Referenced by fdc_transfer(), read_id(), recalibrate(), and seek().

#define ST0_BITS_SEEK   0xF8

Definition at line 69 of file floppy.c. Referenced by recalibrate(), and seek().

#define ST0_BITS_TRANS   0xD8

Definition at line 67 of file floppy.c. Referenced by fdc_transfer(), and read_id().

#define ST1   0x01

Definition at line 48 of file floppy.c. Referenced by fdc_transfer(), read_id(), and seek().

#define ST2   0x02

Definition at line 49 of file floppy.c. Referenced by fdc_transfer(), and read_id().

#define ST3   0x00

Definition at line 50 of file floppy.c.

#define ST3_FAULT   0x80

Definition at line 80 of file floppy.c.

#define ST3_READY   0x20

Definition at line 82 of file floppy.c.

#define ST3_WR_PROTECT   0x40

Definition at line 81 of file floppy.c.

#define ST_CYL   0x03

Definition at line 51 of file floppy.c. Referenced by fdc_transfer().

#define ST_HEAD   0x04

Definition at line 52 of file floppy.c. Referenced by fdc_transfer().

#define ST_PCN   0x01

Definition at line 54 of file floppy.c. Referenced by recalibrate().

#define ST_SEC   0x05

Definition at line 53 of file floppy.c. Referenced by fdc_transfer(), and read_id().

#define TIMEOUT_MICROS   500000L

Definition at line 131 of file floppy.c.

#define TIMEOUT_TICKS   30

Definition at line 132 of file floppy.c. Referenced by fdc_out(), and fdc_results().

#define TRANS_ST0   0x00

Definition at line 68 of file floppy.c. Referenced by fdc_transfer(), and read_id().

#define UNCALIBRATED   0

Definition at line 134 of file floppy.c. Referenced by fdc_transfer(), read_id(), and seek().

#define WAKEUP   (2*HZ)

Definition at line 105 of file floppy.c.

#define WRITE_PROTECT   0x02

Definition at line 74 of file floppy.c. Referenced by fdc_transfer().

---

Function Documentation

FORWARD _PROTOTYPE (  void  f_geometry, (struct partition *entry)  )

FORWARD _PROTOTYPE (  int  test_read, (int density)  )

FORWARD _PROTOTYPE (  int  f_do_open, (struct driver *dp, message *m_ptr)  )

FORWARD _PROTOTYPE (  void  fdc_out, (int val)  )

FORWARD _PROTOTYPE (  int  fdc_command, (u8_t *cmd, int len)  )

FORWARD _PROTOTYPE (  int  seek, (void)  )

FORWARD _PROTOTYPE (  int  dma_setup, (int opcode)  )

FORWARD _PROTOTYPE (  int  f_transfer, (int proc_nr, int opcode, off_t position, iovec_t *iov, unsigned nr_req)  )

FORWARD _PROTOTYPE (  void  f_cleanup, (void)  )

FORWARD _PROTOTYPE (  char *  f_name, (void)  )

FORWARD _PROTOTYPE (  struct device *  f_prepare, (int device)  )

FORWARD _PROTOTYPE (  void  stop_motor, (timer_t *tp)  )

FORWARD _PROTOTYPE (  void  f_set_timer, (timer_t *tp, clock_t delta, tmr_func_t watchdog)  )

FORWARD _PROTOTYPE (  void  f_expire_tmrs, (struct driver *dp, message *m_ptr)  )

PRIVATE int dma_setup (  int  opcode  )

Definition at line 634 of file floppy.c. References DEV_SCATTER, DMA_ADDR, DMA_ADDR_MASK, DMA_COUNT, DMA_FLIPFLOP, DMA_INIT, DMA_MODE, DMA_READ, DMA_RESET_VAL, DMA_TOP, DMA_WRITE, EIO, NO_NUM, OK, panic, pv_set, report(), s, sys_voutb(), and tmp_phys.

PRIVATE void f_cleanup (   )

Definition at line 420 of file floppy.c. References f_drive, f_fp, f_set_timer(), MOTOR_OFF, NO_SECTOR, and tmr_arg.

PRIVATE int f_do_open (  struct driver *  dp, message *  m_ptr )

Definition at line 1189 of file floppy.c. References DEV_TYPE_BITS, DEV_TYPE_SHIFT, EIO, ENXIO, f_device, f_drive, f_fp, f_prepare(), FORMAT_DEV_BIT, if(), MINOR_fd0p0, motor_status, NIL_DEV, NO_DENS, NT, OK, test_read(), and top.

PRIVATE void f_expire_tmrs (  struct driver *  dp, message *  m_ptr )

Definition at line 321 of file floppy.c. References f_next_timeout, f_timers, getuptime(), now, OK, panic, s, sys_setalarm(), timer::tmr_exp_time, TMR_NEVER, and tmrs_exptimers(). Referenced by f_intr_wait(), f_reset(), seek(), and start_motor().

PRIVATE void f_geometry (  struct partition *  entry  )

Definition at line 1280 of file floppy.c. References density::cyls, f_dp, f_sectors, and NR_HEADS.

PRIVATE int f_intr_wait (   )

Definition at line 1104 of file floppy.c. References ANY, BSY_IDLE, BSY_IO, BSY_WAKEN, DEV_PING, ERR_TIMEOUT, f_busy, f_expire_tmrs(), message::m_source, message::m_type, need_reset, notify, OK, receive, SYN_ALARM, and TRUE. Referenced by fdc_transfer(), read_id(), recalibrate(), and seek().

PRIVATE char* f_name (   )

Definition at line 408 of file floppy.c. References f_drive.

PRIVATE struct device* f_prepare (  int  device  )

Definition at line 380 of file floppy.c. References density::cyls, DEV_TYPE_BITS, DEV_TYPE_SHIFT, f_device, f_dp, f_drive, f_dv, f_fp, f_sectors, fdensity, FORMAT_DEV_BIT, MINOR_fd0p0, mul64u(), NIL_DEV, NR_DRIVES, NR_HEADS, NT, density::secpt, and SECTOR_SIZE. Referenced by f_do_open(), and test_read().

PRIVATE void f_reset (   )

Definition at line 1036 of file floppy.c. References ANY, BSY_IDLE, BSY_IO, DEV_PING, DOR, ENABLE_INT, f_busy, f_expire_tmrs(), FALSE, fdc_command(), fdc_out(), fdc_results(), FDC_SENSE, i, message::m_source, message::m_type, motor_status, need_reset, notify, OK, panic, pv_set, receive, s, SYN_ALARM, and sys_voutb().

PRIVATE void f_set_timer (  timer_t *  tp, clock_t  delta, tmr_func_t  watchdog )

Definition at line 351 of file floppy.c. References f_next_timeout, f_timers, getuptime(), now, OK, panic, s, sys_setalarm(), timer::tmr_exp_time, and tmrs_settimer(). Referenced by f_cleanup(), fdc_command(), seek(), and start_motor().

PRIVATE void f_timeout (  timer_t *  tp  )

Definition at line 1140 of file floppy.c. References BSY_IO, BSY_WAKEN, and f_busy.

PRIVATE int f_transfer (  int  proc_nr, int  opcode, off_t  position, iovec_t *  iov, unsigned  nr_req )

Definition at line 433 of file floppy.c. References add64ul(), chunk, count, cv64ul(), DEV_SCATTER, div64u(), device::dv_base, device::dv_size, EINVAL, EIO, errors, f_device, f_dp, f_dv, f_fp, f_sectors, fmt_param, FORMAT_DEV_BIT, fp, if(), iovec_t::iov_addr, iovec_t::iov_size, MAX_SECTORS, nbytes, NR_HEADS, OK, panic, r, s, sector, SECTOR_MASK, SECTOR_SIZE, SELF, density::steps, and sys_datacopy. Referenced by test_read().

PRIVATE int fdc_command (  u8_t *  cmd, int  len )

Definition at line 937 of file floppy.c. References BSY_IO, ERR_DRIVE, f_busy, f_set_timer(), f_tmr_timeout, fdc_out(), need_reset, OK, and WAKEUP. Referenced by f_reset(), fdc_transfer(), read_id(), recalibrate(), and seek().

PRIVATE void fdc_out (  int  val  )

Definition at line 961 of file floppy.c. References DIRECTION, FDC_DATA, FDC_STATUS, getuptime(), MASTER, need_reset, OK, panic, printf, s, status, sys_inb, sys_outb, t1, TIMEOUT_TICKS, and TRUE. Referenced by f_reset(), fdc_command(), recalibrate(), and seek().

PRIVATE int fdc_results (   )

Definition at line 886 of file floppy.c. References CTL_BUSY, DIRECTION, ERR_STATUS, f_results, FDC_DATA, FDC_STATUS, getuptime(), irq_hook_id, MASTER, MAX_RESULTS, need_reset, OK, panic, printf, s, status, sys_inb, sys_irqenable, t1, TIMEOUT_TICKS, and TRUE. Referenced by f_reset(), fdc_transfer(), read_id(), recalibrate(), and seek().

PRIVATE int fdc_transfer (  int  opcode  )

Definition at line 813 of file floppy.c. References BASE_SECTOR, DEV_SCATTER, DTL, ERR_TIMEOUT, ERR_TRANSFER, ERR_WR_PROTECT, f_device, f_dp, f_drive, f_fp, f_intr_wait(), f_name, f_results, f_sectors, fdc_command(), FDC_FORMAT, FDC_READ, fdc_results(), FDC_WRITE, disk_parameter_s::fill_byte_for_format, fmt_param, FORMAT_DEV_BIT, fp, density::gap, disk_parameter_s::gap_length_for_format, motor_status, NR_HEADS, OK, printf, s, SECTOR_SIZE_CODE, disk_parameter_s::sector_size_code, disk_parameter_s::sectors_per_cylinder, ST0, ST0_BITS_TRANS, ST1, ST2, ST_CYL, ST_HEAD, ST_SEC, TRANS_ST0, UNCALIBRATED, and WRITE_PROTECT.

PRIVATE void floppy_stop (  struct driver *  dp, message *  m_ptr )

Definition at line 741 of file floppy.c. References DOR, ENABLE_INT, exit(), OK, panic, s, sigismember, SIGTERM, and sys_outb.

PUBLIC void main (  void   )

Definition at line 289 of file floppy.c. References f_next_timeout, f_tmr_timeout, fp, NO_CYL, NO_DENS, NR_DRIVES, s, tmr_inittimer, and TMR_NEVER.

PRIVATE int read_id (   )

Definition at line 1156 of file floppy.c. References BASE_SECTOR, ERR_READ_ID, ERR_TIMEOUT, f_drive, f_fp, f_intr_wait(), f_results, fdc_command(), FDC_READ_ID, fdc_results(), fp, motor_status, OK, result, ST0, ST0_BITS_TRANS, ST1, ST2, ST_SEC, TRANS_ST0, and UNCALIBRATED.

PRIVATE int recalibrate (   )

Definition at line 994 of file floppy.c. References CALIBRATED, ERR_RECALIBRATE, ERR_SEEK, ERR_TIMEOUT, f_drive, f_fp, f_intr_wait(), f_results, fdc_command(), fdc_out(), FDC_RECALIBRATE, fdc_results(), FDC_SENSE, fp, need_reset, NO_CYL, NO_SECTOR, OK, SEEK_ST0, ST0, ST0_BITS_SEEK, ST_PCN, and TRUE. Referenced by seek().

PRIVATE int seek (   )

Definition at line 756 of file floppy.c. References ANY, BSY_IDLE, BSY_IO, DEV_PING, ERR_SEEK, ERR_TIMEOUT, f_busy, f_device, f_drive, f_expire_tmrs(), f_fp, f_intr_wait(), f_results, f_set_timer(), f_tmr_timeout, fdc_command(), fdc_out(), fdc_results(), FDC_SEEK, FDC_SENSE, FORMAT_DEV_BIT, fp, HZ, message::m_source, message::m_type, NO_SECTOR, notify, OK, recalibrate(), receive, SEEK_ST0, ST0, ST0_BITS_SEEK, ST1, SYN_ALARM, and UNCALIBRATED.

PRIVATE void start_motor (   )

Definition at line 679 of file floppy.c. References ANY, BSY_IDLE, BSY_IO, DEV_PING, DOR, ENABLE_INT, f_busy, f_dp, f_drive, f_expire_tmrs(), f_fp, f_set_timer(), f_tmr_timeout, message::m_source, message::m_type, MOTOR_SHIFT, motor_status, NO_SECTOR, notify, OK, panic, receive, s, density::start, SYN_ALARM, and sys_outb.

PRIVATE void stop_motor (  timer_t *  tp  )

Definition at line 726 of file floppy.c. References DOR, ENABLE_INT, MOTOR_SHIFT, motor_status, OK, panic, s, sys_outb, and tmr_arg.

PRIVATE int test_read (  int  density  )

Definition at line 1250 of file floppy.c. References DEV_GATHER, DEV_TYPE_SHIFT, EIO, f_dp, f_drive, f_dtab, f_fp, f_prepare(), f_transfer(), iovec_t::iov_addr, iovec_t::iov_size, OK, P_FLOPPY, partition(), position, result, SECTOR_SHIFT, SELF, and density::test. Referenced by f_do_open().

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Variable Documentation

PRIVATE u16_t f_busy

Definition at line 228 of file floppy.c. Referenced by f_intr_wait(), f_reset(), f_timeout(), fdc_command(), seek(), and start_motor().

PRIVATE unsigned f_device

Definition at line 223 of file floppy.c. Referenced by f_do_open(), f_prepare(), f_transfer(), fdc_transfer(), and seek().

PRIVATE struct density* f_dp

Definition at line 225 of file floppy.c. Referenced by f_geometry(), f_prepare(), f_transfer(), fdc_transfer(), start_motor(), and test_read().

PRIVATE unsigned f_drive

Definition at line 222 of file floppy.c. Referenced by f_cleanup(), f_do_open(), f_name(), f_prepare(), fdc_transfer(), read_id(), recalibrate(), seek(), start_motor(), and test_read().

PRIVATE struct driver f_dtab

Initial value: { f_name, f_do_open, do_nop, do_diocntl, f_prepare, f_transfer, f_cleanup, f_geometry, floppy_stop, f_expire_tmrs, nop_cancel, nop_select, NULL, NULL } Definition at line 269 of file floppy.c. Referenced by test_read().

PRIVATE struct device* f_dv

Definition at line 229 of file floppy.c. Referenced by f_prepare(), and f_transfer().

PRIVATE struct floppy* f_fp

Definition at line 224 of file floppy.c.

PRIVATE clock_t f_next_timeout

Definition at line 240 of file floppy.c. Referenced by f_expire_tmrs(), f_set_timer(), and main().

PRIVATE u8_t f_results[MAX_RESULTS]

Definition at line 231 of file floppy.c. Referenced by fdc_results(), fdc_transfer(), read_id(), recalibrate(), and seek().

PRIVATE unsigned f_sectors

Definition at line 227 of file floppy.c. Referenced by f_geometry(), f_prepare(), f_transfer(), and fdc_transfer().

PRIVATE timer_t* f_timers

Definition at line 239 of file floppy.c. Referenced by f_expire_tmrs(), and f_set_timer().

PRIVATE timer_t f_tmr_timeout

Definition at line 238 of file floppy.c. Referenced by fdc_command(), main(), seek(), and start_motor().

PRIVATE struct density fdensity[NT]

Referenced by f_prepare().

PRIVATE struct disk_parameter_s fmt_param

Definition at line 230 of file floppy.c. Referenced by f_transfer(), and fdc_transfer().

PRIVATE int irq_hook_id

Definition at line 219 of file floppy.c. Referenced by do_initialize(), do_irqctl(), do_printer_output(), fdc_results(), and main().

PRIVATE int motor_status

Definition at line 220 of file floppy.c. Referenced by f_do_open(), f_reset(), fdc_transfer(), read_id(), start_motor(), and stop_motor().

PRIVATE int need_reset

Definition at line 221 of file floppy.c. Referenced by f_intr_wait(), f_reset(), fdc_command(), fdc_out(), fdc_results(), and recalibrate().

PRIVATE struct density* prev_dp

Definition at line 226 of file floppy.c.

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