From 92e55f1d1404e823b0a5fd6d0ea0b962de247e31 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Wed, 25 Feb 2015 17:00:32 +0100 Subject: [PATCH] Add OSX support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Álvaro Fernández Rojas --- Makefile | 16 +- src/boot.c | 1 + src/common.h | 54 ++++- src/file.c | 9 +- src/file.h | 2 + src/fsck.fat.h | 11 - src/io.c | 4 +- src/linux/fd.h | 383 ++++++++++++++++++++++++++++++ src/linux/fs.h | 206 ++++++++++++++++ src/linux/hdreg.h | 644 +++++++++++++++++++++++++++++++++++++++++++++++++++ src/linux/magic.h | 76 ++++++ src/linux/msdos_fs.h | 201 ++++++++++++++++ src/mkfs.fat.c | 32 ++- 13 files changed, 1603 insertions(+), 36 deletions(-) create mode 100644 src/linux/fd.h create mode 100644 src/linux/fs.h create mode 100644 src/linux/hdreg.h create mode 100644 src/linux/magic.h create mode 100644 src/linux/msdos_fs.h diff --git a/Makefile b/Makefile index 3cbdb76..b86111d 100644 --- a/Makefile +++ b/Makefile @@ -27,10 +27,16 @@ SBINDIR = $(PREFIX)/sbin DOCDIR = $(PREFIX)/share/doc MANDIR = $(PREFIX)/share/man +UNAME_S := $(shell uname -s) +ifeq ($(UNAME_S),Darwin) + CFLAGS += -D__osx__ + LDLIBS += -liconv +endif + #OPTFLAGS = -O2 -fomit-frame-pointer -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 OPTFLAGS = -O2 -fomit-frame-pointer -D_GNU_SOURCE $(shell getconf LFS_CFLAGS) #WARNFLAGS = -Wall -pedantic -std=c99 -WARNFLAGS = -Wall -Wextra -Wno-sign-compare -Wno-missing-field-initializers -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings +WARNFLAGS = -Wall -Wextra -Wno-sign-compare -Wno-missing-field-initializers -Wmissing-prototypes -Wstrict-prototypes -Wwrite-strings -Wimplicit-function-declaration DEBUGFLAGS = -g CFLAGS += $(OPTFLAGS) $(WARNFLAGS) $(DEBUGFLAGS) @@ -62,7 +68,8 @@ install-man: for MANPAGE in manpages/en/*; \ do \ SECTION="8"; \ - install -D -m 0644 $${MANPAGE} $(DESTDIR)/$(MANDIR)/man$${SECTION}/$$(basename $${MANPAGE}); \ + mkdir -p $(DESTDIR)/$(MANDIR)/man$${SECTION}/; \ + install -m 0644 $${MANPAGE} $(DESTDIR)/$(MANDIR)/man$${SECTION}/$$(basename $${MANPAGE}); \ done for LANGUAGE in $(LANGUAGES); \ @@ -70,7 +77,8 @@ install-man: for MANPAGE in manpages/$${LANGUAGE}/*; \ do \ SECTION="8"; \ - install -D -m 0644 $${MANPAGE} $(DESTDIR)/$(MANDIR)/$${LANGUAGE}/man$${SECTION}/$$(basename $${MANPAGE} .$${LANGUAGE}.$${SECTION}).$${SECTION}; \ + mkdir -p $(DESTDIR)/$(MANDIR)/$${LANGUAGE}/man$${SECTION}/; \ + install -m 0644 $${MANPAGE} $(DESTDIR)/$(MANDIR)/$${LANGUAGE}/man$${SECTION}/$$(basename $${MANPAGE} .$${LANGUAGE}.$${SECTION}).$${SECTION}; \ done; \ done install-symlinks: install-bin install-man @@ -127,7 +135,7 @@ uninstall-man: for MANPAGE in manpages/en/*; \ do \ SECTION="8"; \ - rm -f $(DESTDIR)/$(MANDIR}/man$${SECTION}/$$(basename $${MANPAGE} .en.$${SECTION}).$${SECTION}; \ + rm -f $(DESTDIR)/$(MANDIR)/man$${SECTION}/$$(basename $${MANPAGE} .en.$${SECTION}).$${SECTION}; \ done for LANGUAGE in $(LANGUAGES); \ diff --git a/src/boot.c b/src/boot.c index be7bfb7..0c8b273 100644 --- a/src/boot.c +++ b/src/boot.c @@ -31,6 +31,7 @@ #include #include "common.h" +#include "linux/msdos_fs.h" #include "fsck.fat.h" #include "fat.h" #include "io.h" diff --git a/src/common.h b/src/common.h index b127f63..e16c00c 100644 --- a/src/common.h +++ b/src/common.h @@ -20,11 +20,61 @@ can be found in /usr/share/common-licenses/GPL-3 file. */ -#include - #ifndef _COMMON_H #define _COMMON_H +/* from linux/types.h */ +#if defined(__linux__) + #include +#elif defined(__osx__) + #include + + typedef uint8_t __u8; + typedef uint16_t __u16; + typedef uint32_t __u32; + typedef uint64_t __u64; + + typedef int16_t __le16; + typedef int32_t __le32; + + /* from linux stdio.h */ + #ifndef loff_t + typedef long long loff_t; + #endif /* loff_t */ + + #ifndef off64_t + #ifdef _LP64 + typedef off_t off64_t; + #else + typedef __longlong_t off64_t; + #endif /* _LP64 */ + #endif /* off64_t */ + + /* from endian.h */ + #if defined(__APPLE__) && defined(__MACH__) + #include + + #define htobe16(x) OSSwapHostToBigInt16(x) + #define htole16(x) OSSwapHostToLittleInt16(x) + #define be16toh(x) OSSwapBigToHostInt16(x) + #define le16toh(x) OSSwapLittleToHostInt16(x) + + #define htobe32(x) OSSwapHostToBigInt32(x) + #define htole32(x) OSSwapHostToLittleInt32(x) + #define be32toh(x) OSSwapBigToHostInt32(x) + #define le32toh(x) OSSwapLittleToHostInt32(x) + + #define htobe64(x) OSSwapHostToBigInt64(x) + #define htole64(x) OSSwapHostToLittleInt64(x) + #define be64toh(x) OSSwapBigToHostInt64(x) + #define le64toh(x) OSSwapLittleToHostInt64(x) + + #ifndef lseek64 + #define lseek64 lseek + #endif /* lseek64 */ + #endif /* __APPLE__ && __MACH__ */ +#endif + void die(const char *msg, ...) __attribute((noreturn)); /* Displays a prinf-style message and terminates the program. */ diff --git a/src/file.c b/src/file.c index 30adcde..1c1a5f0 100644 --- a/src/file.c +++ b/src/file.c @@ -30,15 +30,8 @@ #include #include -#define _LINUX_STAT_H /* hack to avoid inclusion of */ -#define _LINUX_STRING_H_ /* hack to avoid inclusion of */ -#define _LINUX_FS_H /* hack to avoid inclusion of */ - -#include - -#include - #include "common.h" +#include "linux/msdos_fs.h" #include "file.h" #include "charconv.h" diff --git a/src/file.h b/src/file.h index 3adfc96..f5dec16 100644 --- a/src/file.h +++ b/src/file.h @@ -23,6 +23,8 @@ #ifndef _FILE_H #define _FILE_H +#include "linux/msdos_fs.h" + typedef enum { fdt_none, fdt_drop, fdt_undelete } FD_TYPE; typedef struct _fptr { diff --git a/src/fsck.fat.h b/src/fsck.fat.h index e5ade5b..274820a 100644 --- a/src/fsck.fat.h +++ b/src/fsck.fat.h @@ -28,19 +28,8 @@ #define _DOSFSCK_H #include -#include -#define _LINUX_STAT_H /* hack to avoid inclusion of */ -#define _LINUX_STRING_H_ /* hack to avoid inclusion of */ -#define _LINUX_FS_H /* hack to avoid inclusion of */ - -#include -#include - -#include - #include #include -#include #define VFAT_LN_ATTR (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME) diff --git a/src/io.c b/src/io.c index 3755ba5..fa96b62 100644 --- a/src/io.c +++ b/src/io.c @@ -40,10 +40,10 @@ #include #include #include -#include -#include "fsck.fat.h" +#include "linux/fd.h" #include "common.h" +#include "fsck.fat.h" #include "io.h" typedef struct _change { diff --git a/src/linux/fd.h b/src/linux/fd.h new file mode 100644 index 0000000..ffe33a6 --- /dev/null +++ b/src/linux/fd.h @@ -0,0 +1,383 @@ +#ifndef _LINUX_FD_H +#define _LINUX_FD_H + +#ifdef __linux__ +#include +#endif + +/* New file layout: Now the ioctl definitions immediately follow the + * definitions of the structures that they use */ + +/* + * Geometry + */ +struct floppy_struct { + unsigned int size, /* nr of sectors total */ + sect, /* sectors per track */ + head, /* nr of heads */ + track, /* nr of tracks */ + stretch; /* bit 0 !=0 means double track steps */ + /* bit 1 != 0 means swap sides */ + /* bits 2..9 give the first sector */ + /* number (the LSB is flipped) */ +#define FD_STRETCH 1 +#define FD_SWAPSIDES 2 +#define FD_ZEROBASED 4 +#define FD_SECTBASEMASK 0x3FC +#define FD_MKSECTBASE(s) (((s) ^ 1) << 2) +#define FD_SECTBASE(floppy) ((((floppy)->stretch & FD_SECTBASEMASK) >> 2) ^ 1) + + 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) +#define FD_SECTSIZE(floppy) ( (floppy)->rate & FD_2M ? \ + 512 : 128 << FD_SIZECODE(floppy) ) +#define FD_PERP 0x40 + + 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 */ + read_track, /* maximal number of errors permitted to read an + * entire track at once */ + reset, /* maximal number of errors before a reset is tried */ + recal, /* maximal number of errors before a recalibrate is + * tried */ + + /* + * Threshold for reporting FDC errors to the console. + * Setting this to zero may flood your screen when using + * ultra cheap floppies ;-) + */ + reporting; + +}; + +#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 modifiable) + */ +struct floppy_drive_params { + signed char cmos; /* CMOS type */ + + /* Spec2 is (HLD<<1 | ND), where HLD is head load time (1=2ms, 2=4 ms + * etc) and ND is set means no DMA. Hardcoded to 6 (HLD=6ms, use DMA). + */ + unsigned long max_dtr; /* Step rate, usec */ + unsigned long hlt; /* Head load/settle time, msec */ + unsigned long hut; /* Head unload time (remnant of + * 8" drives) */ + unsigned long srt; /* Step rate, usec */ + + unsigned long spinup; /* time needed for spinup (expressed + * in jiffies) */ + unsigned long spindown; /* timeout needed for spindown */ + unsigned char spindown_offset; /* decides in which position the disk + * will stop */ + unsigned char select_delay; /* delay to wait after select */ + unsigned char rps; /* rotations per second */ + unsigned char tracks; /* maximum number of tracks */ + unsigned long timeout; /* timeout for interrupt requests */ + + unsigned char interleave_sect; /* if there are more sectors, use + * interleave */ + + struct floppy_max_errors max_errors; + + char flags; /* various flags, including ftd_msg */ +/* + * Announce successful media type detection and media information loss after + * disk changes. + * Also used to enable/disable printing of overrun warnings. + */ + +#define FTD_MSG 0x10 +#define FD_BROKEN_DCL 0x20 +#define FD_DEBUG 0x02 +#define FD_SILENT_DCL_CLEAR 0x4 +#define FD_INVERTED_DCL 0x80 /* must be 0x80, because of hardware + considerations */ + + char read_track; /* use readtrack during probing? */ + +/* + * Auto-detection. Each drive type has eight formats which are + * used in succession to try to read the disk. If the FDC cannot lock onto + * the disk, the next format is tried. This uses the variable 'probing'. + */ + short autodetect[8]; /* autodetected formats */ + + int checkfreq; /* how often should the drive be checked for disk + * changes */ + int native_format; /* native format of this drive */ +}; + +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_UNUSED_BIT, + 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 modifiable by user, readonly) + */ +struct floppy_drive_struct { + unsigned long flags; +/* values for these flags */ +#define FD_NEED_TWADDLE (1 << FD_NEED_TWADDLE_BIT) +#define FD_VERIFY (1 << FD_VERIFY_BIT) +#define FD_DISK_NEWCHANGE (1 << FD_DISK_NEWCHANGE_BIT) +#define FD_DISK_CHANGED (1 << FD_DISK_CHANGED_BIT) +#define FD_DISK_WRITABLE (1 << FD_DISK_WRITABLE_BIT) + + unsigned long spinup_date; + unsigned long select_date; + unsigned long first_read_date; + short probed_format; + short track; /* current track */ + short maxblock; /* id of highest block read */ + short maxtrack; /* id of highest half track read */ + int generation; /* how many diskchanges? */ + +/* + * (User-provided) media information is _not_ discarded after a media change + * if the corresponding keep_data flag is non-zero. Positive values are + * decremented after each probe. + */ + int keep_data; + + /* Prevent "aliased" accesses. */ + int fd_ref; + int fd_device; + unsigned long last_checked; /* when was the drive last checked for a disk + * change? */ + + char *dmabuf; + int bufblocks; +}; + +#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 */ + + +/* + * 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 */ + int dtr; + unsigned char version; /* FDC version code */ + unsigned char dor; + unsigned long address; /* io address */ + unsigned int rawcmd:2; + unsigned int reset:1; + unsigned int need_configure:1; + unsigned int perp_mode:2; + unsigned int has_fifo:1; + unsigned int driver_version; /* version code for floppy driver */ +#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 + * on. If this version number is bigger than the one compiled into the + * user program (the FD_DRIVER_VERSION define), it should be prepared + * 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. */ + +}; + +#define FDGETFDCSTAT _IOR(2, 0x15, struct floppy_fdc_state) + + +/* + * 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 */ +}; + +#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 */ + + +/* + * 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 +#define FD_RAW_DISK_CHANGE 4 /* out: disk change flag was set */ +#define FD_RAW_INTR 8 /* wait for an interrupt */ +#define FD_RAW_SPIN 0x10 /* spin up the disk for this command */ +#define FD_RAW_NO_MOTOR_AFTER 0x20 /* switch the motor off after command + * completion */ +#define FD_RAW_NEED_DISK 0x40 /* this command needs a disk to be present */ +#define FD_RAW_NEED_SEEK 0x80 /* this command uses an implied seek (soft) */ + +/* more "in" flags */ +#define FD_RAW_MORE 0x100 /* more records follow */ +#define FD_RAW_STOP_IF_FAILURE 0x200 /* stop if we encounter a failure */ +#define FD_RAW_STOP_IF_SUCCESS 0x400 /* stop if command successful */ +#define FD_RAW_SOFTFAILURE 0x800 /* consider the return value for failure + * detection too */ + +/* 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 + * within 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 */ + + +#define FDEJECT _IO(2, 0x5a) +/* eject the disk */ + + + +#endif /* _LINUX_FD_H */ diff --git a/src/linux/fs.h b/src/linux/fs.h new file mode 100644 index 0000000..8639ce5 --- /dev/null +++ b/src/linux/fs.h @@ -0,0 +1,206 @@ +#ifndef _LINUX_FS_H +#define _LINUX_FS_H + +/* + * This file has definitions for some important file table + * structures etc. + */ + +#ifdef __linux__ +#include +#include +#include +#endif + +/* + * It's silly to have NR_OPEN bigger than NR_FILE, but you can change + * the file limit at runtime and only root can increase the per-process + * nr_file rlimit, so it's safe to set up a ridiculously high absolute + * upper limit on files-per-process. + * + * Some programs (notably those using select()) may have to be + * recompiled to take full advantage of the new limits.. + */ + +/* Fixed constants first: */ +#undef NR_OPEN +#define INR_OPEN_CUR 1024 /* Initial setting for nfile rlimits */ +#define INR_OPEN_MAX 4096 /* Hard limit for nfile rlimits */ + +#define BLOCK_SIZE_BITS 10 +#define BLOCK_SIZE (1< +#endif + +/* + * Command Header sizes for IOCTL commands + */ + +#define HDIO_DRIVE_CMD_HDR_SIZE (4 * sizeof(__u8)) +#define HDIO_DRIVE_HOB_HDR_SIZE (8 * sizeof(__u8)) +#define HDIO_DRIVE_TASK_HDR_SIZE (8 * sizeof(__u8)) + +#define IDE_DRIVE_TASK_NO_DATA 0 +#define IDE_DRIVE_TASK_INVALID -1 +#define IDE_DRIVE_TASK_SET_XFER 1 +#define IDE_DRIVE_TASK_IN 2 +#define IDE_DRIVE_TASK_OUT 3 +#define IDE_DRIVE_TASK_RAW_WRITE 4 + +/* + * Define standard taskfile in/out register + */ +#define IDE_TASKFILE_STD_IN_FLAGS 0xFE +#define IDE_HOB_STD_IN_FLAGS 0x3C +#define IDE_TASKFILE_STD_OUT_FLAGS 0xFE +#define IDE_HOB_STD_OUT_FLAGS 0x3C + +typedef unsigned char task_ioreg_t; +typedef unsigned long sata_ioreg_t; + +typedef union ide_reg_valid_s { + unsigned all : 16; + struct { + unsigned data : 1; + unsigned error_feature : 1; + unsigned sector : 1; + unsigned nsector : 1; + unsigned lcyl : 1; + unsigned hcyl : 1; + unsigned select : 1; + unsigned status_command : 1; + + unsigned data_hob : 1; + unsigned error_feature_hob : 1; + unsigned sector_hob : 1; + unsigned nsector_hob : 1; + unsigned lcyl_hob : 1; + unsigned hcyl_hob : 1; + unsigned select_hob : 1; + unsigned control_hob : 1; + } b; +} ide_reg_valid_t; + +typedef struct ide_task_request_s { + __u8 io_ports[8]; + __u8 hob_ports[8]; /* bytes 6 and 7 are unused */ + ide_reg_valid_t out_flags; + ide_reg_valid_t in_flags; + int data_phase; + int req_cmd; + unsigned long out_size; + unsigned long in_size; +} ide_task_request_t; + +typedef struct ide_ioctl_request_s { + ide_task_request_t *task_request; + unsigned char *out_buffer; + unsigned char *in_buffer; +} ide_ioctl_request_t; + +struct hd_drive_cmd_hdr { + __u8 command; + __u8 sector_number; + __u8 feature; + __u8 sector_count; +}; + +typedef struct hd_drive_task_hdr { + __u8 data; + __u8 feature; + __u8 sector_count; + __u8 sector_number; + __u8 low_cylinder; + __u8 high_cylinder; + __u8 device_head; + __u8 command; +} task_struct_t; + +typedef struct hd_drive_hob_hdr { + __u8 data; + __u8 feature; + __u8 sector_count; + __u8 sector_number; + __u8 low_cylinder; + __u8 high_cylinder; + __u8 device_head; + __u8 control; +} hob_struct_t; + +#define TASKFILE_NO_DATA 0x0000 + +#define TASKFILE_IN 0x0001 +#define TASKFILE_MULTI_IN 0x0002 + +#define TASKFILE_OUT 0x0004 +#define TASKFILE_MULTI_OUT 0x0008 +#define TASKFILE_IN_OUT 0x0010 + +#define TASKFILE_IN_DMA 0x0020 +#define TASKFILE_OUT_DMA 0x0040 +#define TASKFILE_IN_DMAQ 0x0080 +#define TASKFILE_OUT_DMAQ 0x0100 + +#define TASKFILE_P_IN 0x0200 +#define TASKFILE_P_OUT 0x0400 +#define TASKFILE_P_IN_DMA 0x0800 +#define TASKFILE_P_OUT_DMA 0x1000 +#define TASKFILE_P_IN_DMAQ 0x2000 +#define TASKFILE_P_OUT_DMAQ 0x4000 +#define TASKFILE_48 0x8000 +#define TASKFILE_INVALID 0x7fff + +/* ATA/ATAPI Commands pre T13 Spec */ +#define WIN_NOP 0x00 +/* + * 0x01->0x02 Reserved + */ +#define CFA_REQ_EXT_ERROR_CODE 0x03 /* CFA Request Extended Error Code */ +/* + * 0x04->0x07 Reserved + */ +#define WIN_SRST 0x08 /* ATAPI soft reset command */ +#define WIN_DEVICE_RESET 0x08 +/* + * 0x09->0x0F Reserved + */ +#define WIN_RECAL 0x10 +#define WIN_RESTORE WIN_RECAL +/* + * 0x10->0x1F Reserved + */ +#define WIN_READ 0x20 /* 28-Bit */ +#define WIN_READ_ONCE 0x21 /* 28-Bit without retries */ +#define WIN_READ_LONG 0x22 /* 28-Bit */ +#define WIN_READ_LONG_ONCE 0x23 /* 28-Bit without retries */ +#define WIN_READ_EXT 0x24 /* 48-Bit */ +#define WIN_READDMA_EXT 0x25 /* 48-Bit */ +#define WIN_READDMA_QUEUED_EXT 0x26 /* 48-Bit */ +#define WIN_READ_NATIVE_MAX_EXT 0x27 /* 48-Bit */ +/* + * 0x28 + */ +#define WIN_MULTREAD_EXT 0x29 /* 48-Bit */ +/* + * 0x2A->0x2F Reserved + */ +#define WIN_WRITE 0x30 /* 28-Bit */ +#define WIN_WRITE_ONCE 0x31 /* 28-Bit without retries */ +#define WIN_WRITE_LONG 0x32 /* 28-Bit */ +#define WIN_WRITE_LONG_ONCE 0x33 /* 28-Bit without retries */ +#define WIN_WRITE_EXT 0x34 /* 48-Bit */ +#define WIN_WRITEDMA_EXT 0x35 /* 48-Bit */ +#define WIN_WRITEDMA_QUEUED_EXT 0x36 /* 48-Bit */ +#define WIN_SET_MAX_EXT 0x37 /* 48-Bit */ +#define CFA_WRITE_SECT_WO_ERASE 0x38 /* CFA Write Sectors without erase */ +#define WIN_MULTWRITE_EXT 0x39 /* 48-Bit */ +/* + * 0x3A->0x3B Reserved + */ +#define WIN_WRITE_VERIFY 0x3C /* 28-Bit */ +/* + * 0x3D->0x3F Reserved + */ +#define WIN_VERIFY 0x40 /* 28-Bit - Read Verify Sectors */ +#define WIN_VERIFY_ONCE 0x41 /* 28-Bit - without retries */ +#define WIN_VERIFY_EXT 0x42 /* 48-Bit */ +/* + * 0x43->0x4F Reserved + */ +#define WIN_FORMAT 0x50 +/* + * 0x51->0x5F Reserved + */ +#define WIN_INIT 0x60 +/* + * 0x61->0x5F Reserved + */ +#define WIN_SEEK 0x70 /* 0x70-0x7F Reserved */ + +#define CFA_TRANSLATE_SECTOR 0x87 /* CFA Translate Sector */ +#define WIN_DIAGNOSE 0x90 +#define WIN_SPECIFY 0x91 /* set drive geometry translation */ +#define WIN_DOWNLOAD_MICROCODE 0x92 +#define WIN_STANDBYNOW2 0x94 +#define WIN_STANDBY2 0x96 +#define WIN_SETIDLE2 0x97 +#define WIN_CHECKPOWERMODE2 0x98 +#define WIN_SLEEPNOW2 0x99 +/* + * 0x9A VENDOR + */ +#define WIN_PACKETCMD 0xA0 /* Send a packet command. */ +#define WIN_PIDENTIFY 0xA1 /* identify ATAPI device */ +#define WIN_QUEUED_SERVICE 0xA2 +#define WIN_SMART 0xB0 /* self-monitoring and reporting */ +#define CFA_ERASE_SECTORS 0xC0 +#define WIN_MULTREAD 0xC4 /* read sectors using multiple mode*/ +#define WIN_MULTWRITE 0xC5 /* write sectors using multiple mode */ +#define WIN_SETMULT 0xC6 /* enable/disable multiple mode */ +#define WIN_READDMA_QUEUED 0xC7 /* read sectors using Queued DMA transfers */ +#define WIN_READDMA 0xC8 /* read sectors using DMA transfers */ +#define WIN_READDMA_ONCE 0xC9 /* 28-Bit - without retries */ +#define WIN_WRITEDMA 0xCA /* write sectors using DMA transfers */ +#define WIN_WRITEDMA_ONCE 0xCB /* 28-Bit - without retries */ +#define WIN_WRITEDMA_QUEUED 0xCC /* write sectors using Queued DMA transfers */ +#define CFA_WRITE_MULTI_WO_ERASE 0xCD /* CFA Write multiple without erase */ +#define WIN_GETMEDIASTATUS 0xDA +#define WIN_ACKMEDIACHANGE 0xDB /* ATA-1, ATA-2 vendor */ +#define WIN_POSTBOOT 0xDC +#define WIN_PREBOOT 0xDD +#define WIN_DOORLOCK 0xDE /* lock door on removable drives */ +#define WIN_DOORUNLOCK 0xDF /* unlock door on removable drives */ +#define WIN_STANDBYNOW1 0xE0 +#define WIN_IDLEIMMEDIATE 0xE1 /* force drive to become "ready" */ +#define WIN_STANDBY 0xE2 /* Set device in Standby Mode */ +#define WIN_SETIDLE1 0xE3 +#define WIN_READ_BUFFER 0xE4 /* force read only 1 sector */ +#define WIN_CHECKPOWERMODE1 0xE5 +#define WIN_SLEEPNOW1 0xE6 +#define WIN_FLUSH_CACHE 0xE7 +#define WIN_WRITE_BUFFER 0xE8 /* force write only 1 sector */ +#define WIN_WRITE_SAME 0xE9 /* read ata-2 to use */ + /* SET_FEATURES 0x22 or 0xDD */ +#define WIN_FLUSH_CACHE_EXT 0xEA /* 48-Bit */ +#define WIN_IDENTIFY 0xEC /* ask drive to identify itself */ +#define WIN_MEDIAEJECT 0xED +#define WIN_IDENTIFY_DMA 0xEE /* same as WIN_IDENTIFY, but DMA */ +#define WIN_SETFEATURES 0xEF /* set special drive features */ +#define EXABYTE_ENABLE_NEST 0xF0 +#define WIN_SECURITY_SET_PASS 0xF1 +#define WIN_SECURITY_UNLOCK 0xF2 +#define WIN_SECURITY_ERASE_PREPARE 0xF3 +#define WIN_SECURITY_ERASE_UNIT 0xF4 +#define WIN_SECURITY_FREEZE_LOCK 0xF5 +#define WIN_SECURITY_DISABLE 0xF6 +#define WIN_READ_NATIVE_MAX 0xF8 /* return the native maximum address */ +#define WIN_SET_MAX 0xF9 +#define DISABLE_SEAGATE 0xFB + +/* WIN_SMART sub-commands */ + +#define SMART_READ_VALUES 0xD0 +#define SMART_READ_THRESHOLDS 0xD1 +#define SMART_AUTOSAVE 0xD2 +#define SMART_SAVE 0xD3 +#define SMART_IMMEDIATE_OFFLINE 0xD4 +#define SMART_READ_LOG_SECTOR 0xD5 +#define SMART_WRITE_LOG_SECTOR 0xD6 +#define SMART_WRITE_THRESHOLDS 0xD7 +#define SMART_ENABLE 0xD8 +#define SMART_DISABLE 0xD9 +#define SMART_STATUS 0xDA +#define SMART_AUTO_OFFLINE 0xDB + +/* Password used in TF4 & TF5 executing SMART commands */ + +#define SMART_LCYL_PASS 0x4F +#define SMART_HCYL_PASS 0xC2 + +/* WIN_SETFEATURES sub-commands */ +#define SETFEATURES_EN_8BIT 0x01 /* Enable 8-Bit Transfers */ +#define SETFEATURES_EN_WCACHE 0x02 /* Enable write cache */ +#define SETFEATURES_DIS_DEFECT 0x04 /* Disable Defect Management */ +#define SETFEATURES_EN_APM 0x05 /* Enable advanced power management */ +#define SETFEATURES_EN_SAME_R 0x22 /* for a region ATA-1 */ +#define SETFEATURES_DIS_MSN 0x31 /* Disable Media Status Notification */ +#define SETFEATURES_DIS_RETRY 0x33 /* Disable Retry */ +#define SETFEATURES_EN_AAM 0x42 /* Enable Automatic Acoustic Management */ +#define SETFEATURES_RW_LONG 0x44 /* Set Length of VS bytes */ +#define SETFEATURES_SET_CACHE 0x54 /* Set Cache segments to SC Reg. Val */ +#define SETFEATURES_DIS_RLA 0x55 /* Disable read look-ahead feature */ +#define SETFEATURES_EN_RI 0x5D /* Enable release interrupt */ +#define SETFEATURES_EN_SI 0x5E /* Enable SERVICE interrupt */ +#define SETFEATURES_DIS_RPOD 0x66 /* Disable reverting to power on defaults */ +#define SETFEATURES_DIS_ECC 0x77 /* Disable ECC byte count */ +#define SETFEATURES_DIS_8BIT 0x81 /* Disable 8-Bit Transfers */ +#define SETFEATURES_DIS_WCACHE 0x82 /* Disable write cache */ +#define SETFEATURES_EN_DEFECT 0x84 /* Enable Defect Management */ +#define SETFEATURES_DIS_APM 0x85 /* Disable advanced power management */ +#define SETFEATURES_EN_ECC 0x88 /* Enable ECC byte count */ +#define SETFEATURES_EN_MSN 0x95 /* Enable Media Status Notification */ +#define SETFEATURES_EN_RETRY 0x99 /* Enable Retry */ +#define SETFEATURES_EN_RLA 0xAA /* Enable read look-ahead feature */ +#define SETFEATURES_PREFETCH 0xAB /* Sets drive prefetch value */ +#define SETFEATURES_EN_REST 0xAC /* ATA-1 */ +#define SETFEATURES_4B_RW_LONG 0xBB /* Set Length of 4 bytes */ +#define SETFEATURES_DIS_AAM 0xC2 /* Disable Automatic Acoustic Management */ +#define SETFEATURES_EN_RPOD 0xCC /* Enable reverting to power on defaults */ +#define SETFEATURES_DIS_RI 0xDD /* Disable release interrupt ATAPI */ +#define SETFEATURES_EN_SAME_M 0xDD /* for a entire device ATA-1 */ +#define SETFEATURES_DIS_SI 0xDE /* Disable SERVICE interrupt ATAPI */ + +/* WIN_SECURITY sub-commands */ + +#define SECURITY_SET_PASSWORD 0xBA +#define SECURITY_UNLOCK 0xBB +#define SECURITY_ERASE_PREPARE 0xBC +#define SECURITY_ERASE_UNIT 0xBD +#define SECURITY_FREEZE_LOCK 0xBE +#define SECURITY_DISABLE_PASSWORD 0xBF + +struct hd_geometry { + unsigned char heads; + unsigned char sectors; + unsigned short cylinders; + unsigned long start; +}; + +/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x030n/0x031n */ +#define HDIO_GETGEO 0x0301 /* get device geometry */ +#define HDIO_GET_UNMASKINTR 0x0302 /* get current unmask setting */ +#define HDIO_GET_MULTCOUNT 0x0304 /* get current IDE blockmode setting */ +#define HDIO_GET_QDMA 0x0305 /* get use-qdma flag */ + +#define HDIO_SET_XFER 0x0306 /* set transfer rate via proc */ + +#define HDIO_OBSOLETE_IDENTITY 0x0307 /* OBSOLETE, DO NOT USE: returns 142 bytes */ +#define HDIO_GET_KEEPSETTINGS 0x0308 /* get keep-settings-on-reset flag */ +#define HDIO_GET_32BIT 0x0309 /* get current io_32bit setting */ +#define HDIO_GET_NOWERR 0x030a /* get ignore-write-error flag */ +#define HDIO_GET_DMA 0x030b /* get use-dma flag */ +#define HDIO_GET_NICE 0x030c /* get nice flags */ +#define HDIO_GET_IDENTITY 0x030d /* get IDE identification info */ +#define HDIO_GET_WCACHE 0x030e /* get write cache mode on|off */ +#define HDIO_GET_ACOUSTIC 0x030f /* get acoustic value */ +#define HDIO_GET_ADDRESS 0x0310 /* */ + +#define HDIO_GET_BUSSTATE 0x031a /* get the bus state of the hwif */ +#define HDIO_TRISTATE_HWIF 0x031b /* execute a channel tristate */ +#define HDIO_DRIVE_RESET 0x031c /* execute a device reset */ +#define HDIO_DRIVE_TASKFILE 0x031d /* execute raw taskfile */ +#define HDIO_DRIVE_TASK 0x031e /* execute task and special drive command */ +#define HDIO_DRIVE_CMD 0x031f /* execute a special drive command */ +#define HDIO_DRIVE_CMD_AEB HDIO_DRIVE_TASK + +/* hd/ide ctl's that pass (arg) non-ptr values are numbered 0x032n/0x033n */ +#define HDIO_SET_MULTCOUNT 0x0321 /* change IDE blockmode */ +#define HDIO_SET_UNMASKINTR 0x0322 /* permit other irqs during I/O */ +#define HDIO_SET_KEEPSETTINGS 0x0323 /* keep ioctl settings on reset */ +#define HDIO_SET_32BIT 0x0324 /* change io_32bit flags */ +#define HDIO_SET_NOWERR 0x0325 /* change ignore-write-error flag */ +#define HDIO_SET_DMA 0x0326 /* change use-dma flag */ +#define HDIO_SET_PIO_MODE 0x0327 /* reconfig interface to new speed */ +#define HDIO_SCAN_HWIF 0x0328 /* register and (re)scan interface */ +#define HDIO_UNREGISTER_HWIF 0x032a /* unregister interface */ +#define HDIO_SET_NICE 0x0329 /* set nice flags */ +#define HDIO_SET_WCACHE 0x032b /* change write cache enable-disable */ +#define HDIO_SET_ACOUSTIC 0x032c /* change acoustic behavior */ +#define HDIO_SET_BUSSTATE 0x032d /* set the bus state of the hwif */ +#define HDIO_SET_QDMA 0x032e /* change use-qdma flag */ +#define HDIO_SET_ADDRESS 0x032f /* change lba addressing modes */ + +/* bus states */ +enum { + BUSSTATE_OFF = 0, + BUSSTATE_ON, + BUSSTATE_TRISTATE +}; + +/* hd/ide ctl's that pass (arg) ptrs to user space are numbered 0x033n/0x033n */ +/* 0x330 is reserved - used to be HDIO_GETGEO_BIG */ +/* 0x331 is reserved - used to be HDIO_GETGEO_BIG_RAW */ +/* 0x338 is reserved - used to be HDIO_SET_IDE_SCSI */ +/* 0x339 is reserved - used to be HDIO_SET_SCSI_IDE */ + +#define __NEW_HD_DRIVE_ID + +/* + * Structure returned by HDIO_GET_IDENTITY, as per ANSI NCITS ATA6 rev.1b spec. + * + * If you change something here, please remember to update fix_driveid() in + * ide/probe.c. + */ +struct hd_driveid { + unsigned short config; /* lots of obsolete bit flags */ + unsigned short cyls; /* Obsolete, "physical" cyls */ + unsigned short reserved2; /* reserved (word 2) */ + unsigned short heads; /* Obsolete, "physical" heads */ + unsigned short track_bytes; /* unformatted bytes per track */ + unsigned short sector_bytes; /* unformatted bytes per sector */ + unsigned short sectors; /* Obsolete, "physical" sectors per track */ + unsigned short vendor0; /* vendor unique */ + unsigned short vendor1; /* vendor unique */ + unsigned short vendor2; /* Retired vendor unique */ + unsigned char serial_no[20]; /* 0 = not_specified */ + unsigned short buf_type; /* Retired */ + unsigned short buf_size; /* Retired, 512 byte increments + * 0 = not_specified + */ + unsigned short ecc_bytes; /* for r/w long cmds; 0 = not_specified */ + unsigned char fw_rev[8]; /* 0 = not_specified */ + unsigned char model[40]; /* 0 = not_specified */ + unsigned char max_multsect; /* 0=not_implemented */ + unsigned char vendor3; /* vendor unique */ + unsigned short dword_io; /* 0=not_implemented; 1=implemented */ + unsigned char vendor4; /* vendor unique */ + unsigned char capability; /* (upper byte of word 49) + * 3: IORDYsup + * 2: IORDYsw + * 1: LBA + * 0: DMA + */ + unsigned short reserved50; /* reserved (word 50) */ + unsigned char vendor5; /* Obsolete, vendor unique */ + unsigned char tPIO; /* Obsolete, 0=slow, 1=medium, 2=fast */ + unsigned char vendor6; /* Obsolete, vendor unique */ + unsigned char tDMA; /* Obsolete, 0=slow, 1=medium, 2=fast */ + unsigned short field_valid; /* (word 53) + * 2: ultra_ok word 88 + * 1: eide_ok words 64-70 + * 0: cur_ok words 54-58 + */ + unsigned short cur_cyls; /* Obsolete, logical cylinders */ + unsigned short cur_heads; /* Obsolete, l heads */ + unsigned short cur_sectors; /* Obsolete, l sectors per track */ + unsigned short cur_capacity0; /* Obsolete, l total sectors on drive */ + unsigned short cur_capacity1; /* Obsolete, (2 words, misaligned int) */ + unsigned char multsect; /* current multiple sector count */ + unsigned char multsect_valid; /* when (bit0==1) multsect is ok */ + unsigned int lba_capacity; /* Obsolete, total number of sectors */ + unsigned short dma_1word; /* Obsolete, single-word dma info */ + unsigned short dma_mword; /* multiple-word dma info */ + unsigned short eide_pio_modes; /* bits 0:mode3 1:mode4 */ + unsigned short eide_dma_min; /* min mword dma cycle time (ns) */ + unsigned short eide_dma_time; /* recommended mword dma cycle time (ns) */ + unsigned short eide_pio; /* min cycle time (ns), no IORDY */ + unsigned short eide_pio_iordy; /* min cycle time (ns), with IORDY */ + unsigned short words69_70[2]; /* reserved words 69-70 + * future command overlap and queuing + */ + unsigned short words71_74[4]; /* reserved words 71-74 + * for IDENTIFY PACKET DEVICE command + */ + unsigned short queue_depth; /* (word 75) + * 15:5 reserved + * 4:0 Maximum queue depth -1 + */ + unsigned short words76_79[4]; /* reserved words 76-79 */ + unsigned short major_rev_num; /* (word 80) */ + unsigned short minor_rev_num; /* (word 81) */ + unsigned short command_set_1; /* (word 82) supported + * 15: Obsolete + * 14: NOP command + * 13: READ_BUFFER + * 12: WRITE_BUFFER + * 11: Obsolete + * 10: Host Protected Area + * 9: DEVICE Reset + * 8: SERVICE Interrupt + * 7: Release Interrupt + * 6: look-ahead + * 5: write cache + * 4: PACKET Command + * 3: Power Management Feature Set + * 2: Removable Feature Set + * 1: Security Feature Set + * 0: SMART Feature Set + */ + unsigned short command_set_2; /* (word 83) + * 15: Shall be ZERO + * 14: Shall be ONE + * 13: FLUSH CACHE EXT + * 12: FLUSH CACHE + * 11: Device Configuration Overlay + * 10: 48-bit Address Feature Set + * 9: Automatic Acoustic Management + * 8: SET MAX security + * 7: reserved 1407DT PARTIES + * 6: SetF sub-command Power-Up + * 5: Power-Up in Standby Feature Set + * 4: Removable Media Notification + * 3: APM Feature Set + * 2: CFA Feature Set + * 1: READ/WRITE DMA QUEUED + * 0: Download MicroCode + */ + unsigned short cfsse; /* (word 84) + * cmd set-feature supported extensions + * 15: Shall be ZERO + * 14: Shall be ONE + * 13:6 reserved + * 5: General Purpose Logging + * 4: Streaming Feature Set + * 3: Media Card Pass Through + * 2: Media Serial Number Valid + * 1: SMART selt-test supported + * 0: SMART error logging + */ + unsigned short cfs_enable_1; /* (word 85) + * command set-feature enabled + * 15: Obsolete + * 14: NOP command + * 13: READ_BUFFER + * 12: WRITE_BUFFER + * 11: Obsolete + * 10: Host Protected Area + * 9: DEVICE Reset + * 8: SERVICE Interrupt + * 7: Release Interrupt + * 6: look-ahead + * 5: write cache + * 4: PACKET Command + * 3: Power Management Feature Set + * 2: Removable Feature Set + * 1: Security Feature Set + * 0: SMART Feature Set + */ + unsigned short cfs_enable_2; /* (word 86) + * command set-feature enabled + * 15: Shall be ZERO + * 14: Shall be ONE + * 13: FLUSH CACHE EXT + * 12: FLUSH CACHE + * 11: Device Configuration Overlay + * 10: 48-bit Address Feature Set + * 9: Automatic Acoustic Management + * 8: SET MAX security + * 7: reserved 1407DT PARTIES + * 6: SetF sub-command Power-Up + * 5: Power-Up in Standby Feature Set + * 4: Removable Media Notification + * 3: APM Feature Set + * 2: CFA Feature Set + * 1: READ/WRITE DMA QUEUED + * 0: Download MicroCode + */ + unsigned short csf_default; /* (word 87) + * command set-feature default + * 15: Shall be ZERO + * 14: Shall be ONE + * 13:6 reserved + * 5: General Purpose Logging enabled + * 4: Valid CONFIGURE STREAM executed + * 3: Media Card Pass Through enabled + * 2: Media Serial Number Valid + * 1: SMART selt-test supported + * 0: SMART error logging + */ + unsigned short dma_ultra; /* (word 88) */ + unsigned short trseuc; /* time required for security erase */ + unsigned short trsEuc; /* time required for enhanced erase */ + unsigned short CurAPMvalues; /* current APM values */ + unsigned short mprc; /* master password revision code */ + unsigned short hw_config; /* hardware config (word 93) + * 15: Shall be ZERO + * 14: Shall be ONE + * 13: + * 12: + * 11: + * 10: + * 9: + * 8: + * 7: + * 6: + * 5: + * 4: + * 3: + * 2: + * 1: + * 0: Shall be ONE + */ + unsigned short acoustic; /* (word 94) + * 15:8 Vendor's recommended value + * 7:0 current value + */ + unsigned short msrqs; /* min stream request size */ + unsigned short sxfert; /* stream transfer time */ + unsigned short sal; /* stream access latency */ + unsigned int spg; /* stream performance granularity */ + unsigned long long lba_capacity_2;/* 48-bit total number of sectors */ + unsigned short words104_125[22];/* reserved words 104-125 */ + unsigned short last_lun; /* (word 126) */ + unsigned short word127; /* (word 127) Feature Set + * Removable Media Notification + * 15:2 reserved + * 1:0 00 = not supported + * 01 = supported + * 10 = reserved + * 11 = reserved + */ + unsigned short dlf; /* (word 128) + * device lock function + * 15:9 reserved + * 8 security level 1:max 0:high + * 7:6 reserved + * 5 enhanced erase + * 4 expire + * 3 frozen + * 2 locked + * 1 en/disabled + * 0 capability + */ + unsigned short csfo; /* (word 129) + * current set features options + * 15:4 reserved + * 3: auto reassign + * 2: reverting + * 1: read-look-ahead + * 0: write cache + */ + unsigned short words130_155[26];/* reserved vendor words 130-155 */ + unsigned short word156; /* reserved vendor word 156 */ + unsigned short words157_159[3];/* reserved vendor words 157-159 */ + unsigned short cfa_power; /* (word 160) CFA Power Mode + * 15 word 160 supported + * 14 reserved + * 13 + * 12 + * 11:0 + */ + unsigned short words161_175[15];/* Reserved for CFA */ + unsigned short words176_205[30];/* Current Media Serial Number */ + unsigned short words206_254[49];/* reserved words 206-254 */ + unsigned short integrity_word; /* (word 255) + * 15:8 Checksum + * 7:0 Signature + */ +}; + +/* + * IDE "nice" flags. These are used on a per drive basis to determine + * when to be nice and give more bandwidth to the other devices which + * share the same IDE bus. + */ +#define IDE_NICE_DSC_OVERLAP (0) /* per the DSC overlap protocol */ +#define IDE_NICE_ATAPI_OVERLAP (1) /* not supported yet */ +#define IDE_NICE_1 (3) /* when probably won't affect us much */ +#define IDE_NICE_0 (2) /* when sure that it won't affect us */ +#define IDE_NICE_2 (4) /* when we know it's on our expense */ + +#endif /* _LINUX_HDREG_H */ diff --git a/src/linux/magic.h b/src/linux/magic.h new file mode 100644 index 0000000..77c6031 --- /dev/null +++ b/src/linux/magic.h @@ -0,0 +1,76 @@ +#ifndef __LINUX_MAGIC_H__ +#define __LINUX_MAGIC_H__ + +#define ADFS_SUPER_MAGIC 0xadf5 +#define AFFS_SUPER_MAGIC 0xadff +#define AFS_SUPER_MAGIC 0x5346414F +#define AUTOFS_SUPER_MAGIC 0x0187 +#define CODA_SUPER_MAGIC 0x73757245 +#define CRAMFS_MAGIC 0x28cd3d45 /* some random number */ +#define CRAMFS_MAGIC_WEND 0x453dcd28 /* magic number with the wrong endianess */ +#define DEBUGFS_MAGIC 0x64626720 +#define SECURITYFS_MAGIC 0x73636673 +#define SELINUX_MAGIC 0xf97cff8c +#define SMACK_MAGIC 0x43415d53 /* "SMAC" */ +#define RAMFS_MAGIC 0x858458f6 /* some random number */ +#define TMPFS_MAGIC 0x01021994 +#define HUGETLBFS_MAGIC 0x958458f6 /* some random number */ +#define SQUASHFS_MAGIC 0x73717368 +#define ECRYPTFS_SUPER_MAGIC 0xf15f +#define EFS_SUPER_MAGIC 0x414A53 +#define EXT2_SUPER_MAGIC 0xEF53 +#define EXT3_SUPER_MAGIC 0xEF53 +#define XENFS_SUPER_MAGIC 0xabba1974 +#define EXT4_SUPER_MAGIC 0xEF53 +#define BTRFS_SUPER_MAGIC 0x9123683E +#define NILFS_SUPER_MAGIC 0x3434 +#define F2FS_SUPER_MAGIC 0xF2F52010 +#define HPFS_SUPER_MAGIC 0xf995e849 +#define ISOFS_SUPER_MAGIC 0x9660 +#define JFFS2_SUPER_MAGIC 0x72b6 +#define PSTOREFS_MAGIC 0x6165676C +#define EFIVARFS_MAGIC 0xde5e81e4 +#define HOSTFS_SUPER_MAGIC 0x00c0ffee + +#define MINIX_SUPER_MAGIC 0x137F /* minix v1 fs, 14 char names */ +#define MINIX_SUPER_MAGIC2 0x138F /* minix v1 fs, 30 char names */ +#define MINIX2_SUPER_MAGIC 0x2468 /* minix v2 fs, 14 char names */ +#define MINIX2_SUPER_MAGIC2 0x2478 /* minix v2 fs, 30 char names */ +#define MINIX3_SUPER_MAGIC 0x4d5a /* minix v3 fs, 60 char names */ + +#define MSDOS_SUPER_MAGIC 0x4d44 /* MD */ +#define NCP_SUPER_MAGIC 0x564c /* Guess, what 0x564c is :-) */ +#define NFS_SUPER_MAGIC 0x6969 +#define OPENPROM_SUPER_MAGIC 0x9fa1 +#define QNX4_SUPER_MAGIC 0x002f /* qnx4 fs detection */ +#define QNX6_SUPER_MAGIC 0x68191122 /* qnx6 fs detection */ + +#define REISERFS_SUPER_MAGIC 0x52654973 /* used by gcc */ + /* used by file system utilities that + look at the superblock, etc. */ +#define REISERFS_SUPER_MAGIC_STRING "ReIsErFs" +#define REISER2FS_SUPER_MAGIC_STRING "ReIsEr2Fs" +#define REISER2FS_JR_SUPER_MAGIC_STRING "ReIsEr3Fs" + +#define SMB_SUPER_MAGIC 0x517B +#define CGROUP_SUPER_MAGIC 0x27e0eb + + +#define STACK_END_MAGIC 0x57AC6E9D + +#define V9FS_MAGIC 0x01021997 + +#define BDEVFS_MAGIC 0x62646576 +#define BINFMTFS_MAGIC 0x42494e4d +#define DEVPTS_SUPER_MAGIC 0x1cd1 +#define FUTEXFS_SUPER_MAGIC 0xBAD1DEA +#define PIPEFS_MAGIC 0x50495045 +#define PROC_SUPER_MAGIC 0x9fa0 +#define SOCKFS_MAGIC 0x534F434B +#define SYSFS_MAGIC 0x62656572 +#define USBDEVICE_SUPER_MAGIC 0x9fa2 +#define MTD_INODE_FS_MAGIC 0x11307854 +#define ANON_INODE_FS_MAGIC 0x09041934 +#define BTRFS_TEST_MAGIC 0x73727279 + +#endif /* __LINUX_MAGIC_H__ */ diff --git a/src/linux/msdos_fs.h b/src/linux/msdos_fs.h new file mode 100644 index 0000000..635d905 --- /dev/null +++ b/src/linux/msdos_fs.h @@ -0,0 +1,201 @@ +#ifndef _LINUX_MSDOS_FS_H +#define _LINUX_MSDOS_FS_H + +#ifdef __linux__ +#include +#include +#endif +#include "magic.h" + +/* + * The MS-DOS filesystem constants/structures + */ + +#define SECTOR_SIZE 512 /* sector size (bytes) */ +#define SECTOR_BITS 9 /* log2(SECTOR_SIZE) */ +#define MSDOS_DPB (MSDOS_DPS) /* dir entries per block */ +#define MSDOS_DPB_BITS 4 /* log2(MSDOS_DPB) */ +#define MSDOS_DPS (SECTOR_SIZE / sizeof(struct msdos_dir_entry)) +#define MSDOS_DPS_BITS 4 /* log2(MSDOS_DPS) */ +#define MSDOS_LONGNAME 256 /* maximum name length */ +#define CF_LE_W(v) le16_to_cpu(v) +#define CF_LE_L(v) le32_to_cpu(v) +#define CT_LE_W(v) cpu_to_le16(v) +#define CT_LE_L(v) cpu_to_le32(v) + +#define MSDOS_ROOT_INO 1 /* The root inode number */ +#define MSDOS_FSINFO_INO 2 /* Used for managing the FSINFO block */ + +#define MSDOS_DIR_BITS 5 /* log2(sizeof(struct msdos_dir_entry)) */ + +/* directory limit */ +#define FAT_MAX_DIR_ENTRIES (65536) +#define FAT_MAX_DIR_SIZE (FAT_MAX_DIR_ENTRIES << MSDOS_DIR_BITS) + +#define ATTR_NONE 0 /* no attribute bits */ +#define ATTR_RO 1 /* read-only */ +#define ATTR_HIDDEN 2 /* hidden */ +#define ATTR_SYS 4 /* system */ +#define ATTR_VOLUME 8 /* volume label */ +#define ATTR_DIR 16 /* directory */ +#define ATTR_ARCH 32 /* archived */ + +/* attribute bits that are copied "as is" */ +#define ATTR_UNUSED (ATTR_VOLUME | ATTR_ARCH | ATTR_SYS | ATTR_HIDDEN) +/* bits that are used by the Windows 95/Windows NT extended FAT */ +#define ATTR_EXT (ATTR_RO | ATTR_HIDDEN | ATTR_SYS | ATTR_VOLUME) + +#define CASE_LOWER_BASE 8 /* base is lower case */ +#define CASE_LOWER_EXT 16 /* extension is lower case */ + +#define DELETED_FLAG 0xe5 /* marks file as deleted when in name[0] */ +#define IS_FREE(n) (!*(n) || *(n) == DELETED_FLAG) + +#define FAT_LFN_LEN 255 /* maximum long name length */ +#define MSDOS_NAME 11 /* maximum name length */ +#define MSDOS_SLOTS 21 /* max # of slots for short and long names */ +#define MSDOS_DOT ". " /* ".", padded to MSDOS_NAME chars */ +#define MSDOS_DOTDOT ".. " /* "..", padded to MSDOS_NAME chars */ + +#define FAT_FIRST_ENT(s, x) ((MSDOS_SB(s)->fat_bits == 32 ? 0x0FFFFF00 : \ + MSDOS_SB(s)->fat_bits == 16 ? 0xFF00 : 0xF00) | (x)) + +/* start of data cluster's entry (number of reserved clusters) */ +#define FAT_START_ENT 2 + +/* maximum number of clusters */ +#define MAX_FAT12 0xFF4 +#define MAX_FAT16 0xFFF4 +#define MAX_FAT32 0x0FFFFFF6 +#define MAX_FAT(s) (MSDOS_SB(s)->fat_bits == 32 ? MAX_FAT32 : \ + MSDOS_SB(s)->fat_bits == 16 ? MAX_FAT16 : MAX_FAT12) + +/* bad cluster mark */ +#define BAD_FAT12 0xFF7 +#define BAD_FAT16 0xFFF7 +#define BAD_FAT32 0x0FFFFFF7 + +/* standard EOF */ +#define EOF_FAT12 0xFFF +#define EOF_FAT16 0xFFFF +#define EOF_FAT32 0x0FFFFFFF + +#define FAT_ENT_FREE (0) +#define FAT_ENT_BAD (BAD_FAT32) +#define FAT_ENT_EOF (EOF_FAT32) + +#define FAT_FSINFO_SIG1 0x41615252 +#define FAT_FSINFO_SIG2 0x61417272 +#define IS_FSINFO(x) (le32_to_cpu((x)->signature1) == FAT_FSINFO_SIG1 \ + && le32_to_cpu((x)->signature2) == FAT_FSINFO_SIG2) + +#define FAT_STATE_DIRTY 0x01 + +struct __fat_dirent { + long d_ino; + long d_off; + unsigned short d_reclen; + char d_name[256]; /* We must not include limits.h! */ +}; + +/* + * ioctl commands + */ +#define VFAT_IOCTL_READDIR_BOTH _IOR('r', 1, struct __fat_dirent[2]) +#define VFAT_IOCTL_READDIR_SHORT _IOR('r', 2, struct __fat_dirent[2]) +/* has used 0x72 ('r') in collision, so skip a few */ +#define FAT_IOCTL_GET_ATTRIBUTES _IOR('r', 0x10, __u32) +#define FAT_IOCTL_SET_ATTRIBUTES _IOW('r', 0x11, __u32) +/*Android kernel has used 0x12, so we use 0x13*/ +#define FAT_IOCTL_GET_VOLUME_ID _IOR('r', 0x13, __u32) + +struct fat_boot_sector { + __u8 ignored[3]; /* Boot strap short or near jump */ + __u8 system_id[8]; /* Name - can be used to special case + partition manager volumes */ + __u8 sector_size[2]; /* bytes per logical sector */ + __u8 sec_per_clus; /* sectors/cluster */ + __le16 reserved; /* reserved sectors */ + __u8 fats; /* number of FATs */ + __u8 dir_entries[2]; /* root directory entries */ + __u8 sectors[2]; /* number of sectors */ + __u8 media; /* media code */ + __le16 fat_length; /* sectors/FAT */ + __le16 secs_track; /* sectors per track */ + __le16 heads; /* number of heads */ + __le32 hidden; /* hidden sectors (unused) */ + __le32 total_sect; /* number of sectors (if sectors == 0) */ + + union { + struct { + /* Extended BPB Fields for FAT16 */ + __u8 drive_number; /* Physical drive number */ + __u8 state; /* undocumented, but used + for mount state. */ + __u8 signature; /* extended boot signature */ + __u8 vol_id[4]; /* volume ID */ + __u8 vol_label[11]; /* volume label */ + __u8 fs_type[8]; /* file system type */ + /* other fiealds are not added here */ + } fat16; + + struct { + /* only used by FAT32 */ + __le32 length; /* sectors/FAT */ + __le16 flags; /* bit 8: fat mirroring, + low 4: active fat */ + __u8 version[2]; /* major, minor filesystem + version */ + __le32 root_cluster; /* first cluster in + root directory */ + __le16 info_sector; /* filesystem info sector */ + __le16 backup_boot; /* backup boot sector */ + __le16 reserved2[6]; /* Unused */ + /* Extended BPB Fields for FAT32 */ + __u8 drive_number; /* Physical drive number */ + __u8 state; /* undocumented, but used + for mount state. */ + __u8 signature; /* extended boot signature */ + __u8 vol_id[4]; /* volume ID */ + __u8 vol_label[11]; /* volume label */ + __u8 fs_type[8]; /* file system type */ + /* other fiealds are not added here */ + } fat32; + }; +}; + +struct fat_boot_fsinfo { + __le32 signature1; /* 0x41615252L */ + __le32 reserved1[120]; /* Nothing as far as I can tell */ + __le32 signature2; /* 0x61417272L */ + __le32 free_clusters; /* Free cluster count. -1 if unknown */ + __le32 next_cluster; /* Most recently allocated cluster */ + __le32 reserved2[4]; +}; + +struct msdos_dir_entry { + __u8 name[MSDOS_NAME];/* name and extension */ + __u8 attr; /* attribute bits */ + __u8 lcase; /* Case for base and extension */ + __u8 ctime_cs; /* Creation time, centiseconds (0-199) */ + __le16 ctime; /* Creation time */ + __le16 cdate; /* Creation date */ + __le16 adate; /* Last access date */ + __le16 starthi; /* High 16 bits of cluster in FAT32 */ + __le16 time,date,start;/* time, date and first cluster */ + __le32 size; /* file size (in bytes) */ +}; + +/* Up to 13 characters of the name */ +struct msdos_dir_slot { + __u8 id; /* sequence number for slot */ + __u8 name0_4[10]; /* first 5 characters in name */ + __u8 attr; /* attribute byte */ + __u8 reserved; /* always 0 */ + __u8 alias_checksum; /* checksum for 8.3 alias */ + __u8 name5_10[12]; /* 6 more characters in name */ + __le16 start; /* starting cluster number, 0 in long slots */ + __u8 name11_12[4]; /* last 2 characters in name */ +}; + +#endif /* _LINUX_MSDOS_FS_H */ diff --git a/src/mkfs.fat.c b/src/mkfs.fat.c index e6f9390..ebdfdb5 100644 --- a/src/mkfs.fat.c +++ b/src/mkfs.fat.c @@ -47,12 +47,6 @@ #include "version.h" #include -#include -#include -#include -#include -#include -#include #include #include #include @@ -60,15 +54,23 @@ #include #include #include -#include #include #include #include #include #include -#include -#include +#if defined(__linux__) + #include +#elif defined(__osx__) + #include + #include +#endif + +#include "common.h" +#include "linux/fs.h" +#include "linux/fd.h" +#include "linux/hdreg.h" /* In earlier versions, an own llseek() was used, but glibc lseek() is * sufficient (or even better :) for 64 bit offsets in the meantime */ @@ -524,6 +526,7 @@ static uint64_t count_blocks(char *filename, int *remainder) static void check_mount(char *device_name) { +#if defined(__linux__) FILE *f; struct mntent *mnt; @@ -533,6 +536,17 @@ static void check_mount(char *device_name) if (strcmp(device_name, mnt->mnt_fsname) == 0) die("%s contains a mounted filesystem."); endmntent(f); +#elif defined(__osx__) + struct statfs* mounts; + int num_mounts = getmntinfo(&mounts, MNT_WAIT); + if (num_mounts < 0) + return; + for ( int i = 0; i < num_mounts; i++ ) + { + if (strcmp(device_name, mounts[i].f_mntfromname) == 0) + die("%s contains a mounted filesystem."); + } +#endif } /* Establish the geometry and media parameters for the device */ -- 1.9.1