+++ /dev/null
-/*
- * Driver for the SWIM (Super Woz Integrated Machine) IOP
- * floppy controller on the Macintosh IIfx and Quadra 900/950
- *
- * Written by Joshua M. Thompson (funaho@jurai.org)
- * based on the SWIM3 driver (c) 1996 by Paul Mackerras.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- *
- * 1999-06-12 (jmt) - Initial implementation.
- */
-
-/*
- * -------------------
- * Theory of Operation
- * -------------------
- *
- * Since the SWIM IOP is message-driven we implement a simple request queue
- * system.  One outstanding request may be queued at any given time (this is
- * an IOP limitation); only when that request has completed can a new request
- * be sent.
- */
-
-#include <linux/stddef.h>
-#include <linux/kernel.h>
-#include <linux/sched.h>
-#include <linux/timer.h>
-#include <linux/delay.h>
-#include <linux/fd.h>
-#include <linux/ioctl.h>
-#include <linux/blkdev.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/mac_iop.h>
-#include <asm/swim_iop.h>
-
-#define DRIVER_VERSION "Version 0.1 (1999-06-12)"
-
-#define MAX_FLOPPIES   4
-
-enum swim_state {
-       idle,
-       available,
-       revalidating,
-       transferring,
-       ejecting
-};
-
-struct floppy_state {
-       enum swim_state state;
-       int     drive_num;      /* device number */
-       int     secpercyl;      /* disk geometry information */
-       int     secpertrack;
-       int     total_secs;
-       int     write_prot;     /* 1 if write-protected, 0 if not, -1 dunno */
-       int     ref_count;
-       struct timer_list timeout;
-       int     ejected;
-       struct wait_queue *wait;
-       int     wanted;
-       int     timeout_pending;
-};
-
-struct swim_iop_req {
-       int     sent;
-       int     complete;
-       __u8    command[32];
-       struct floppy_state *fs;
-       void    (*done)(struct swim_iop_req *);
-};
-
-static struct swim_iop_req *current_req;
-static int floppy_count;
-
-static struct floppy_state floppy_states[MAX_FLOPPIES];
-static DEFINE_SPINLOCK(swim_iop_lock);
-
-#define CURRENT elv_next_request(swim_queue)
-
-static char *drive_names[7] = {
-       "not installed",        /* DRV_NONE    */
-       "unknown (1)",          /* DRV_UNKNOWN */
-       "a 400K drive",         /* DRV_400K    */
-       "an 800K drive"         /* DRV_800K    */
-       "unknown (4)",          /* ????        */
-       "an FDHD",              /* DRV_FDHD    */
-       "unknown (6)",          /* ????        */
-       "an Apple HD20"         /* DRV_HD20    */
-};
-
-int swimiop_init(void);
-static void swimiop_init_request(struct swim_iop_req *);
-static int swimiop_send_request(struct swim_iop_req *);
-static void swimiop_receive(struct iop_msg *);
-static void swimiop_status_update(int, struct swim_drvstatus *);
-static int swimiop_eject(struct floppy_state *fs);
-
-static int floppy_ioctl(struct inode *inode, struct file *filp,
-                       unsigned int cmd, unsigned long param);
-static int floppy_open(struct inode *inode, struct file *filp);
-static int floppy_release(struct inode *inode, struct file *filp);
-static int floppy_check_change(struct gendisk *disk);
-static int floppy_revalidate(struct gendisk *disk);
-static int grab_drive(struct floppy_state *fs, enum swim_state state,
-                     int interruptible);
-static void release_drive(struct floppy_state *fs);
-static void set_timeout(struct floppy_state *fs, int nticks,
-                       void (*proc)(unsigned long));
-static void fd_request_timeout(unsigned long);
-static void do_fd_request(request_queue_t * q);
-static void start_request(struct floppy_state *fs);
-
-static struct block_device_operations floppy_fops = {
-       .open           = floppy_open,
-       .release        = floppy_release,
-       .ioctl          = floppy_ioctl,
-       .media_changed  = floppy_check_change,
-       .revalidate_disk= floppy_revalidate,
-};
-
-static struct request_queue *swim_queue;
-/*
- * SWIM IOP initialization
- */
-
-int swimiop_init(void)
-{
-       volatile struct swim_iop_req req;
-       struct swimcmd_status *cmd = (struct swimcmd_status *) &req.command[0];
-       struct swim_drvstatus *ds = &cmd->status;
-       struct floppy_state *fs;
-       int i;
-
-       current_req = NULL;
-       floppy_count = 0;
-
-       if (!iop_ism_present)
-               return -ENODEV;
-
-       if (register_blkdev(FLOPPY_MAJOR, "fd"))
-               return -EBUSY;
-
-       swim_queue = blk_init_queue(do_fd_request, &swim_iop_lock);
-       if (!swim_queue) {
-               unregister_blkdev(FLOPPY_MAJOR, "fd");
-               return -ENOMEM;
-       }
-
-       printk("SWIM-IOP: %s by Joshua M. Thompson (funaho@jurai.org)\n",
-               DRIVER_VERSION);
-
-       if (iop_listen(SWIM_IOP, SWIM_CHAN, swimiop_receive, "SWIM") != 0) {
-               printk(KERN_ERR "SWIM-IOP: IOP channel already in use; can't initialize.\n");
-               unregister_blkdev(FLOPPY_MAJOR, "fd");
-               blk_cleanup_queue(swim_queue);
-               return -EBUSY;
-       }
-
-       printk(KERN_ERR "SWIM_IOP: probing for installed drives.\n");
-
-       for (i = 0 ; i < MAX_FLOPPIES ; i++) {
-               memset(&floppy_states[i], 0, sizeof(struct floppy_state));
-               fs = &floppy_states[floppy_count];
-
-               swimiop_init_request(&req);
-               cmd->code = CMD_STATUS;
-               cmd->drive_num = i + 1;
-               if (swimiop_send_request(&req) != 0) continue;
-               while (!req.complete);
-               if (cmd->error != 0) {
-                       printk(KERN_ERR "SWIM-IOP: probe on drive %d returned error %d\n", i, (uint) cmd->error);
-                       continue;
-               }
-               if (ds->installed != 0x01) continue;
-               printk("SWIM-IOP: drive %d is %s (%s, %s, %s, %s)\n", i,
-                       drive_names[ds->info.type],
-                       ds->info.external? "ext" : "int",
-                       ds->info.scsi? "scsi" : "floppy",
-                       ds->info.fixed? "fixed" : "removable",
-                       ds->info.secondary? "secondary" : "primary");
-               swimiop_status_update(floppy_count, ds);
-               fs->state = idle;
-
-               init_timer(&fs->timeout);
-               floppy_count++;
-       }
-       printk("SWIM-IOP: detected %d installed drives.\n", floppy_count);
-
-       for (i = 0; i < floppy_count; i++) {
-               struct gendisk *disk = alloc_disk(1);
-               if (!disk)
-                       continue;
-               disk->major = FLOPPY_MAJOR;
-               disk->first_minor = i;
-               disk->fops = &floppy_fops;
-               sprintf(disk->disk_name, "fd%d", i);
-               disk->private_data = &floppy_states[i];
-               disk->queue = swim_queue;
-               set_capacity(disk, 2880 * 2);
-               add_disk(disk);
-       }
-
-       return 0;
-}
-
-static void swimiop_init_request(struct swim_iop_req *req)
-{
-       req->sent = 0;
-       req->complete = 0;
-       req->done = NULL;
-}
-
-static int swimiop_send_request(struct swim_iop_req *req)
-{
-       unsigned long flags;
-       int err;
-
-       /* It's doubtful an interrupt routine would try to send */
-       /* a SWIM request, but I'd rather play it safe here.    */
-
-       local_irq_save(flags);
-
-       if (current_req != NULL) {
-               local_irq_restore(flags);
-               return -ENOMEM;
-       }
-
-       current_req = req;
-
-       /* Interrupts should be back on for iop_send_message() */
-
-       local_irq_restore(flags);
-
-       err = iop_send_message(SWIM_IOP, SWIM_CHAN, (void *) req,
-                               sizeof(req->command), (__u8 *) &req->command[0],
-                               swimiop_receive);
-
-       /* No race condition here; we own current_req at this point */
-
-       if (err) {
-               current_req = NULL;
-       } else {
-               req->sent = 1;
-       }
-       return err;
-}
-
-/*
- * Receive a SWIM message from the IOP.
- *
- * This will be called in two cases:
- *
- * 1. A message has been successfully sent to the IOP.
- * 2. An unsolicited message was received from the IOP.
- */
-
-void swimiop_receive(struct iop_msg *msg)
-{
-       struct swim_iop_req *req;
-       struct swimmsg_status *sm;
-       struct swim_drvstatus *ds;
-
-       req = current_req;
-
-       switch(msg->status) {
-               case IOP_MSGSTATUS_COMPLETE:
-                       memcpy(&req->command[0], &msg->reply[0], sizeof(req->command));
-                       req->complete = 1;
-                       if (req->done) (*req->done)(req);
-                       current_req = NULL;
-                       break;
-               case IOP_MSGSTATUS_UNSOL:
-                       sm = (struct swimmsg_status *) &msg->message[0];
-                       ds = &sm->status;
-                       swimiop_status_update(sm->drive_num, ds);
-                       iop_complete_message(msg);
-                       break;
-       }
-}
-
-static void swimiop_status_update(int drive_num, struct swim_drvstatus *ds)
-{
-       struct floppy_state *fs = &floppy_states[drive_num];
-
-       fs->write_prot = (ds->write_prot == 0x80);
-       if ((ds->disk_in_drive != 0x01) && (ds->disk_in_drive != 0x02)) {
-               fs->ejected = 1;
-       } else {
-               fs->ejected = 0;
-       }
-       switch(ds->info.type) {
-               case DRV_400K:
-                       fs->secpercyl = 10;
-                       fs->secpertrack = 10;
-                       fs->total_secs = 800;
-                       break;
-               case DRV_800K:
-                       fs->secpercyl = 20;
-                       fs->secpertrack = 10;
-                       fs->total_secs = 1600;
-                       break;
-               case DRV_FDHD:
-                       fs->secpercyl = 36;
-                       fs->secpertrack = 18;
-                       fs->total_secs = 2880;
-                       break;
-               default:
-                       fs->secpercyl = 0;
-                       fs->secpertrack = 0;
-                       fs->total_secs = 0;
-                       break;
-       }
-}
-
-static int swimiop_eject(struct floppy_state *fs)
-{
-       int err, n;
-       struct swim_iop_req req;
-       struct swimcmd_eject *cmd = (struct swimcmd_eject *) &req.command[0];
-
-       err = grab_drive(fs, ejecting, 1);
-       if (err) return err;
-
-       swimiop_init_request(&req);
-       cmd->code = CMD_EJECT;
-       cmd->drive_num = fs->drive_num;
-       err = swimiop_send_request(&req);
-       if (err) {
-               release_drive(fs);
-               return err;
-       }
-       for (n = 2*HZ; n > 0; --n) {
-               if (req.complete) break;
-               if (signal_pending(current)) {
-                       err = -EINTR;
-                       break;
-               }
-               schedule_timeout_interruptible(1);
-       }
-       release_drive(fs);
-       return cmd->error;
-}
-
-static struct floppy_struct floppy_type =
-       { 2880,18,2,80,0,0x1B,0x00,0xCF,0x6C,NULL };    /*  7 1.44MB 3.5"   */
-
-static int floppy_ioctl(struct inode *inode, struct file *filp,
-                       unsigned int cmd, unsigned long param)
-{
-       struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
-       int err;
-
-       if ((cmd & 0x80) && !capable(CAP_SYS_ADMIN))
-               return -EPERM;
-
-       switch (cmd) {
-       case FDEJECT:
-               if (fs->ref_count != 1)
-                       return -EBUSY;
-               err = swimiop_eject(fs);
-               return err;
-       case FDGETPRM:
-               if (copy_to_user((void *) param, (void *) &floppy_type,
-                                sizeof(struct floppy_struct)))
-                       return -EFAULT;
-               return 0;
-       }
-       return -ENOTTY;
-}
-
-static int floppy_open(struct inode *inode, struct file *filp)
-{
-       struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
-
-       if (fs->ref_count == -1 || filp->f_flags & O_EXCL)
-               return -EBUSY;
-
-       if ((filp->f_flags & O_NDELAY) == 0 && (filp->f_mode & 3)) {
-               check_disk_change(inode->i_bdev);
-               if (fs->ejected)
-                       return -ENXIO;
-       }
-
-       if ((filp->f_mode & 2) && fs->write_prot)
-               return -EROFS;
-
-       if (filp->f_flags & O_EXCL)
-               fs->ref_count = -1;
-       else
-               ++fs->ref_count;
-
-       return 0;
-}
-
-static int floppy_release(struct inode *inode, struct file *filp)
-{
-       struct floppy_state *fs = inode->i_bdev->bd_disk->private_data;
-       if (fs->ref_count > 0)
-               fs->ref_count--;
-       return 0;
-}
-
-static int floppy_check_change(struct gendisk *disk)
-{
-       struct floppy_state *fs = disk->private_data;
-       return fs->ejected;
-}
-
-static int floppy_revalidate(struct gendisk *disk)
-{
-       struct floppy_state *fs = disk->private_data;
-       grab_drive(fs, revalidating, 0);
-       /* yadda, yadda */
-       release_drive(fs);
-       return 0;
-}
-
-static void floppy_off(unsigned int nr)
-{
-}
-
-static int grab_drive(struct floppy_state *fs, enum swim_state state,
-                     int interruptible)
-{
-       unsigned long flags;
-
-       local_irq_save(flags);
-       if (fs->state != idle) {
-               ++fs->wanted;
-               while (fs->state != available) {
-                       if (interruptible && signal_pending(current)) {
-                               --fs->wanted;
-                               local_irq_restore(flags);
-                               return -EINTR;
-                       }
-                       interruptible_sleep_on(&fs->wait);
-               }
-               --fs->wanted;
-       }
-       fs->state = state;
-       local_irq_restore(flags);
-       return 0;
-}
-
-static void release_drive(struct floppy_state *fs)
-{
-       unsigned long flags;
-
-       local_irq_save(flags);
-       fs->state = idle;
-       start_request(fs);
-       local_irq_restore(flags);
-}
-
-static void set_timeout(struct floppy_state *fs, int nticks,
-                       void (*proc)(unsigned long))
-{
-       unsigned long flags;
-
-       local_irq_save(flags);
-       if (fs->timeout_pending)
-               del_timer(&fs->timeout);
-       init_timer(&fs->timeout);
-       fs->timeout.expires = jiffies + nticks;
-       fs->timeout.function = proc;
-       fs->timeout.data = (unsigned long) fs;
-       add_timer(&fs->timeout);
-       fs->timeout_pending = 1;
-       local_irq_restore(flags);
-}
-
-static void do_fd_request(request_queue_t * q)
-{
-       int i;
-
-       for (i = 0 ; i < floppy_count ; i++) {
-               start_request(&floppy_states[i]);
-       }
-}
-
-static void fd_request_complete(struct swim_iop_req *req)
-{
-       struct floppy_state *fs = req->fs;
-       struct swimcmd_rw *cmd = (struct swimcmd_rw *) &req->command[0];
-
-       del_timer(&fs->timeout);
-       fs->timeout_pending = 0;
-       fs->state = idle;
-       if (cmd->error) {
-               printk(KERN_ERR "SWIM-IOP: error %d on read/write request.\n", cmd->error);
-               end_request(CURRENT, 0);
-       } else {
-               CURRENT->sector += cmd->num_blocks;
-               CURRENT->current_nr_sectors -= cmd->num_blocks;
-               if (CURRENT->current_nr_sectors <= 0) {
-                       end_request(CURRENT, 1);
-                       return;
-               }
-       }
-       start_request(fs);
-}
-
-static void fd_request_timeout(unsigned long data)
-{
-       struct floppy_state *fs = (struct floppy_state *) data;
-
-       fs->timeout_pending = 0;
-       end_request(CURRENT, 0);
-       fs->state = idle;
-}
-
-static void start_request(struct floppy_state *fs)
-{
-       volatile struct swim_iop_req req;
-       struct swimcmd_rw *cmd = (struct swimcmd_rw *) &req.command[0];
-
-       if (fs->state == idle && fs->wanted) {
-               fs->state = available;
-               wake_up(&fs->wait);
-               return;
-       }
-       while (CURRENT && fs->state == idle) {
-               if (CURRENT->bh && !buffer_locked(CURRENT->bh))
-                       panic("floppy: block not locked");
-#if 0
-               printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%ld buf=%p\n",
-                      CURRENT->rq_disk->disk_name, CURRENT->cmd,
-                      CURRENT->sector, CURRENT->nr_sectors, CURRENT->buffer);
-               printk("           errors=%d current_nr_sectors=%ld\n",
-                     CURRENT->errors, CURRENT->current_nr_sectors);
-#endif
-
-               if (CURRENT->sector < 0 || CURRENT->sector >= fs->total_secs) {
-                       end_request(CURRENT, 0);
-                       continue;
-               }
-               if (CURRENT->current_nr_sectors == 0) {
-                       end_request(CURRENT, 1);
-                       continue;
-               }
-               if (fs->ejected) {
-                       end_request(CURRENT, 0);
-                       continue;
-               }
-
-               swimiop_init_request(&req);
-               req.fs = fs;
-               req.done = fd_request_complete;
-
-               if (CURRENT->cmd == WRITE) {
-                       if (fs->write_prot) {
-                               end_request(CURRENT, 0);
-                               continue;
-                       }
-                       cmd->code = CMD_WRITE;
-               } else {
-                       cmd->code = CMD_READ;
-
-               }
-               cmd->drive_num = fs->drive_num;
-               cmd->buffer = CURRENT->buffer;
-               cmd->first_block = CURRENT->sector;
-               cmd->num_blocks = CURRENT->current_nr_sectors;
-
-               if (swimiop_send_request(&req)) {
-                       end_request(CURRENT, 0);
-                       continue;
-               }
-
-               set_timeout(fs, HZ*CURRENT->current_nr_sectors,
-                               fd_request_timeout);
-
-               fs->state = transferring;
-       }
-}
 
+++ /dev/null
-/*
- * SWIM access through the IOP
- * Written by Joshua M. Thompson
- */
-
-/* IOP number and channel number for the SWIM */
-
-#define SWIM_IOP       IOP_NUM_ISM
-#define SWIM_CHAN      1
-
-/* Command code: */
-
-#define CMD_INIT               0x01    /* Initialize                  */
-#define CMD_SHUTDOWN           0x02    /* Shutdown                    */
-#define CMD_START_POLL         0x03    /* Start insert/eject polling  */
-#define CMD_STOP_POLL          0x04    /* Stop insert/eject polling   */
-#define CMD_SETHFSTAG          0x05    /* Set HFS tag buffer address  */
-#define CMD_STATUS             0x06    /* Status                      */
-#define CMD_EJECT              0x07    /* Eject                       */
-#define CMD_FORMAT             0x08    /* Format                      */
-#define CMD_FORMAT_VERIFY      0x09    /* Format and Verify           */
-#define CMD_WRITE              0x0A    /* Write                       */
-#define CMD_READ               0x0B    /* Read                        */
-#define CMD_READ_VERIFY                0x0C    /* Read and Verify             */
-#define CMD_CACHE_CTRL         0x0D    /* Cache control               */
-#define CMD_TAGBUFF_CTRL       0x0E    /* Tag buffer control          */
-#define CMD_GET_ICON           0x0F    /* Get Icon                    */
-
-/* Drive types: */
-
-/* note: apple sez DRV_FDHD is 4, but I get back a type */
-/*       of 5 when I do a drive status check on my FDHD */
-
-#define        DRV_NONE        0       /* No drive             */
-#define        DRV_UNKNOWN     1       /* Unspecified drive    */
-#define        DRV_400K        2       /* 400K                 */
-#define        DRV_800K        3       /* 400K/800K            */
-#define        DRV_FDHD        5       /* 400K/800K/720K/1440K */
-#define        DRV_HD20        7       /* Apple HD20           */
-
-/* Format types: */
-
-#define        FMT_HD20        0x0001  /*  Apple HD20 */
-#define        FMT_400K        0x0002  /*  400K (GCR) */
-#define        FMT_800K        0x0004  /*  800K (GCR) */
-#define        FMT_720K        0x0008  /*  720K (MFM) */
-#define        FMT_1440K       0x0010  /* 1.44M (MFM) */
-
-#define        FMD_KIND_400K   1
-#define        FMD_KIND_800K   2
-#define        FMD_KIND_720K   3
-#define        FMD_KIND_1440K  1
-
-/* Icon Flags: */
-
-#define        ICON_MEDIA      0x01    /* Have IOP supply media icon */
-#define        ICON_DRIVE      0x01    /* Have IOP supply drive icon */
-
-/* Error codes: */
-
-#define        gcrOnMFMErr     -400    /* GCR (400/800K) on HD media */
-#define        verErr          -84     /* verify failed */
-#define        fmt2Err         -83     /* can't get enough sync during format */
-#define        fmt1Err         -82     /* can't find sector 0 after track format */
-#define        sectNFErr       -81     /* can't find sector */
-#define        seekErr         -80     /* drive error during seek */
-#define        spdAdjErr       -79     /* can't set drive speed */
-#define        twoSideErr      -78     /* drive is single-sided */
-#define        initIWMErr      -77     /* error during initialization */
-#define        tk0badErr       -76     /* track zero is bad */
-#define        cantStepErr     -75     /* drive error during step */
-#define        wrUnderrun      -74     /* write underrun occurred */
-#define        badDBtSlp       -73     /* bad data bitslip marks */
-#define        badDCksum       -72     /* bad data checksum */
-#define        noDtaMkErr      -71     /* can't find data mark */
-#define        badBtSlpErr     -70     /* bad address bitslip marks */
-#define        badCksmErr      -69     /* bad address-mark checksum */
-#define        dataVerErr      -68     /* read-verify failed */
-#define        noAdrMkErr      -67     /* can't find an address mark */
-#define        noNybErr        -66     /* no nybbles? disk is probably degaussed */
-#define        offLinErr       -65     /* no disk in drive */
-#define        noDriveErr      -64     /* drive isn't connected */
-#define        nsDrvErr        -56     /* no such drive */
-#define        paramErr        -50     /* bad positioning information */
-#define        wPrErr          -44     /* write protected */
-#define        openErr         -23     /* already initialized */
-
-#ifndef __ASSEMBLY__
-
-struct swim_drvstatus {
-       __u16   curr_track;     /* Current track number                   */
-       __u8    write_prot;     /* 0x80 if disk is write protected        */
-       __u8    disk_in_drive;  /* 0x01 or 0x02 if a disk is in the drive */
-       __u8    installed;      /* 0x01 if drive installed, 0xFF if not   */
-       __u8    num_sides;      /* 0x80 if two-sided format supported     */
-       __u8    two_sided;      /* 0xff if two-sided format diskette      */
-       __u8    new_interface;  /* 0x00 if old 400K drive, 0xFF if newer  */
-       __u16   errors;         /* Disk error count                       */
-       struct {                /* 32 bits */
-               __u16   reserved;
-               __u16   :4;
-               __u16   external:1;     /* Drive is external        */
-               __u16   scsi:1;         /* Drive is a SCSI drive    */
-               __u16   fixed:1;        /* Drive has fixed media    */
-               __u16   secondary:1;    /* Drive is secondary drive */
-               __u8    type;           /* Drive type               */
-       } info;
-       __u8    mfm_drive;      /* 0xFF if this is an FDHD drive    */
-       __u8    mfm_disk;       /* 0xFF if 720K/1440K (MFM) disk    */
-       __u8    mfm_format;     /* 0x00 if 720K, 0xFF if 1440K      */
-       __u8    ctlr_type;      /* 0x00 if IWM, 0xFF if SWIM        */
-       __u16   curr_format;    /* Current format type              */
-       __u16   allowed_fmt;    /* Allowed format types             */
-       __u32   num_blocks;     /* Number of blocks on disk         */
-       __u8    icon_flags;     /* Icon flags                       */
-       __u8    unusued;
-};
-
-/* Commands issued from the host to the IOP: */
-
-struct swimcmd_init {
-       __u8    code;           /* CMD_INIT */
-       __u8    unusued;
-       __u16   error;
-       __u8    drives[28];     /* drive type list */
-};
-
-struct swimcmd_startpoll {
-       __u8    code;           /* CMD_START_POLL */
-       __u8    unusued;
-       __u16   error;
-};
-
-struct swimcmd_sethfstag {
-       __u8    code;           /* CMD_SETHFSTAG */
-       __u8    unusued;
-       __u16   error;
-       caddr_t tagbuf;         /* HFS tag buffer address */
-};
-
-struct swimcmd_status {
-       __u8    code;           /* CMD_STATUS */
-       __u8    drive_num;
-       __u16   error;
-       struct swim_drvstatus status;
-};
-
-struct swimcmd_eject {
-       __u8    code;           /* CMD_EJECT */
-       __u8    drive_num;
-       __u16   error;
-       struct swim_drvstatus status;
-};
-
-struct swimcmd_format {
-       __u8    code;           /* CMD_FORMAT */
-       __u8    drive_num;
-       __u16   error;
-       union {
-               struct {
-                       __u16 fmt;         /* format kind                  */
-                       __u8  hdrbyte;     /* fmt byte for hdr (0=default) */
-                       __u8  interleave;  /* interleave (0 = default)     */
-                       caddr_t databuf;   /* sector data buff (0=default  */
-                       caddr_t tagbuf;    /* tag data buffer (0=default)  */
-               } f;
-               struct swim_drvstatus status;
-       } p;
-};
-
-struct swimcmd_fmtverify {
-       __u8    code;           /* CMD_FORMAT_VERIFY */
-       __u8    drive_num;
-       __u16   error;
-};
-
-struct swimcmd_rw {
-       __u8    code;           /* CMD_READ, CMD_WRITE or CMD_READ_VERIFY */
-       __u8    drive_num;
-       __u16   error;
-       caddr_t buffer;         /* R/W buffer address */
-       __u32   first_block;    /* Starting block     */
-       __u32   num_blocks;     /* Number of blocks   */
-       __u8    tag[12];        /* tag data           */
-};
-
-struct swimcmd_cachectl {
-       __u8    code;           /* CMD_CACHE_CTRL */
-       __u8    unused;
-       __u16   error;
-       __u8    enable;         /* Nonzero to enable cache                */
-       __u8    install;        /* +1 = install, -1 = remove, 0 = neither */
-};
-
-struct swimcmd_tagbufctl {
-       __u8    code;           /* CMD_TAGBUFF_CTRL */
-       __u8    unused;
-       __u16   error;
-       caddr_t buf;            /* buffer address or 0 to disable */
-};
-
-struct swimcmd_geticon {
-       __u8    code;           /* CMD_GET_ICON */
-       __u8    drive_num;
-       __u16   error;
-       caddr_t buffer;         /* Nuffer address */
-       __u16   kind;           /* 0 = media icon, 1 = drive icon */
-       __u16   unused;
-       __u16   max_bytes;      /* maximum  byte count */
-};
-
-/* Messages from the SWIM IOP to the host CPU: */
-
-struct swimmsg_status {
-       __u8    code;           /* 1 = insert, 2 = eject, 3 = status changed */
-       __u8    drive_num;
-       __u16   error;
-       struct swim_drvstatus status;
-};
-
-#endif /* __ASSEMBLY__ */