static int trd_init(void)
{
int i;
trd_pages = (TRD_SIZE + (PAGE_SIZE-1)) >> PAGE_SHIFT;
if (register_blkdev(MAJOR_NR, DEVICE_NAME, &trd_fops)) {
printk(KERN_ERR DEVICE_NAME ": Unable to register_blkdev(%d)\n", MAJOR_NR);
return -EBUSY;
}
blk_queue_make_request(BLK_DEFAULT_QUEUE(MAJOR_NR), trd_make_request);
for (i=0;i<MAX_DEVS;i++) {
trd_blocksizes[i] = TRD_BLOCK_SIZE;
trd_blk_sizes[i] = trd_size;
}
blksize_size[MAJOR_NR] = trd_blocksizes;
blk_size[MAJOR_NR] = trd_blk_sizes;
printk(KERN_DEBUG DEVICE_NAME ": trd initialised size=%dk\n",
trd_size);
return 0;
}
void __exit mcdx_exit(void)
{
int i;
xinfo("cleanup_module called\n");
for (i = 0; i < MCDX_NDRIVES; i++) {
struct s_drive_stuff *stuffp;
if (unregister_cdrom(&mcdx_info)) {
printk(KERN_WARNING "Can't unregister cdrom mcdx\n");
return;
}
stuffp = mcdx_stuffp[i];
if (!stuffp) continue;
release_region((unsigned long) stuffp->wreg_data, MCDX_IO_SIZE);
free_irq(stuffp->irq, NULL);
if (stuffp->toc) {
xtrace(MALLOC, "cleanup_module() free toc @ %p\n", stuffp->toc);
kfree(stuffp->toc);
}
xtrace(MALLOC, "cleanup_module() free stuffp @ %p\n", stuffp);
mcdx_stuffp[i] = NULL;
kfree(stuffp);
}
if (devfs_unregister_blkdev(MAJOR_NR, "mcdx") != 0) {
xwarn("cleanup() unregister_blkdev() failed\n");
}
blk_cleanup_queue(BLK_DEFAULT_QUEUE(MAJOR_NR));
#if !MCDX_QUIET
else xinfo("cleanup() succeeded\n");
int __init init_mtdblock(void)
{
int i;
if (register_blkdev(MAJOR_NR,DEVICE_NAME,&mtd_fops)) {
printk(KERN_NOTICE "Can't allocate major number %d for Memory Technology Devices.\n",
MTD_BLOCK_MAJOR);
return -EAGAIN;
}
DEBUG(MTD_DEBUG_LEVEL3,
"init_mtdblock: allocated major number %d (read only).\n",
MTD_BLOCK_MAJOR);
/* We fill it in at open() time. */
for (i=0; i< MAX_MTD_DEVICES; i++) {
mtd_sizes[i] = 0;
}
/* Allow the block size to default to BLOCK_SIZE. */
blksize_size[MAJOR_NR] = NULL;
blk_size[MAJOR_NR] = mtd_sizes;
blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), &mtdblock_request);
return 0;
}
/* xd_init: register the block device number and set up pointer tables */
int __init xd_init(void)
{
init_timer (&xd_watchdog_int);
xd_watchdog_int.function = xd_watchdog;
if (!xd_dma_buffer)
xd_dma_buffer = (char *)xd_dma_mem_alloc(xd_maxsectors * 0x200);
if (!xd_dma_buffer)
{
printk(KERN_ERR "xd: Out of memory.\n");
return -ENOMEM;
}
if (devfs_register_blkdev(MAJOR_NR,"xd",&xd_fops)) {
printk(KERN_ERR "xd: Unable to get major number %d\n",MAJOR_NR);
return -1;
}
devfs_handle = devfs_mk_dir (NULL, xd_gendisk.major_name, NULL);
blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), DEVICE_REQUEST);
read_ahead[MAJOR_NR] = 8; /* 8 sector (4kB) read ahead */
add_gendisk(&xd_gendisk);
xd_geninit();
return 0;
}
void sbull_cleanup(void)
{
int i;
/*
* Before anything else, get rid of the timer functions. Set the "usage"
* flag on each device as well, under lock, so that if the timer fires up
* just before we delete it, it will either complete or abort. Otherwise
* we have nasty race conditions to worry about.
*/
for (i = 0; i < sbull_devs; i++) {
Sbull_Dev *dev = sbull_devices + i;
del_timer(&dev->timer);
spin_lock(&dev->lock);
dev->usage++;
spin_unlock(&dev->lock);
}
#ifdef DO_RAW_INTERFACE
sbullr_release();
#endif
/* flush it all and reset all the data structures */
for (i=0; i<sbull_devs; i++)
fsync_dev(MKDEV(sbull_major, i)); /* flush the devices */
unregister_blkdev(major, "sbull");
/*
* Fix up the request queue(s)
*/
#ifdef SBULL_MULTIQUEUE
for (i = 0; i < sbull_devs; i++)
blk_cleanup_queue(&sbull_devices[i].queue);
blk_dev[major].queue = NULL;
#else
blk_cleanup_queue(BLK_DEFAULT_QUEUE(major));
#endif
/* Clean up the global arrays */
read_ahead[major] = 0;
kfree(blk_size[major]);
blk_size[major] = NULL;
kfree(blksize_size[major]);
blksize_size[major] = NULL;
kfree(hardsect_size[major]);
hardsect_size[major] = NULL;
/* FIXME: max_readahead and max_sectors */
/* finally, the usual cleanup */
for (i=0; i < sbull_devs; i++) {
if (sbull_devices[i].data)
vfree(sbull_devices[i].data);
}
kfree(sbull_devices);
}
static int __init radimo_init(void)
{
int res;
/* block size must be a multiple of sector size */
if (radimo_soft & ((1 << RADIMO_HARDS_BITS)-1)) {
MSG(RADIMO_ERROR, "Block size not a multiple of sector size\n");
return -EINVAL;
}
/* allocate room for data */
radimo_storage = (char *) vmalloc(1024*radimo_size);
if (radimo_storage == NULL) {
MSG(RADIMO_ERROR, "Not enough memory. Try a smaller size.\n");
return -ENOMEM;
}
memset(radimo_storage, 0, 1024*radimo_size);
/* register block device */
res = register_blkdev(RADIMO_MAJOR, "radimo", &radimo_fops);
if (res) {
MSG(RADIMO_ERROR, "couldn't register block device\n");
return res;
}
/* for media change */
radimo_changed = 0;
init_timer(&radimo_timer);
/* set hard- and soft blocksize */
hardsect_size[RADIMO_MAJOR] = &radimo_hard;
blksize_size[RADIMO_MAJOR] = &radimo_soft;
blk_size[RADIMO_MAJOR] = &radimo_size;
/* define our request function */
/* Here's another instace where kernel versions really matter.
The request queue interface changed in the 2.4 series kernels
*/
#if LINUX_VERSION_CODE < 0x20320
blk_dev[RADIMO_MAJOR].request_fn = &radimo_request;
#else
blk_init_queue(BLK_DEFAULT_QUEUE(RADIMO_MAJOR), radimo_request);
#endif
read_ahead[RADIMO_MAJOR] = radimo_readahead;
MSG(RADIMO_INFO, "loaded\n");
MSG(RADIMO_INFO, "sector size of %d, block size of %d, total size = %dKb\n",
radimo_hard, radimo_soft, radimo_size);
return 0;
}
static void __exit radimo_cleanup(void)
{
unregister_blkdev(RADIMO_MAJOR, "radimo");
del_timer(&radimo_timer);
invalidate_buffers(MKDEV(RADIMO_MAJOR,0));
/* remove our request function */
blk_cleanup_queue(BLK_DEFAULT_QUEUE(RADIMO_MAJOR));
vfree(radimo_storage);
MSG(RADIMO_INFO, "unloaded\n");
}
/* This is the registration and initialization section of the RAM disk driver */
int __init rd_init (void)
{
int i;
if (rd_blocksize > PAGE_SIZE || rd_blocksize < 512 ||
(rd_blocksize & (rd_blocksize-1)))
{
printk("RAMDISK: wrong blocksize %d, reverting to defaults\n",
rd_blocksize);
rd_blocksize = BLOCK_SIZE;
}
if (register_blkdev(MAJOR_NR, "ramdisk", &rd_bd_op)) {
printk("RAMDISK: Could not get major %d", MAJOR_NR);
return -EIO;
}
blk_queue_make_request(BLK_DEFAULT_QUEUE(MAJOR_NR), &rd_make_request);
for (i = 0; i < NUM_RAMDISKS; i++) {
/* rd_size is given in kB */
rd_length[i] = rd_size << 10;
rd_hardsec[i] = rd_blocksize;
rd_blocksizes[i] = rd_blocksize;
rd_kbsize[i] = rd_size;
}
devfs_handle = devfs_mk_dir (NULL, "rd", NULL);
devfs_register_series (devfs_handle, "%u", NUM_RAMDISKS,
DEVFS_FL_DEFAULT, MAJOR_NR, 0,
S_IFBLK | S_IRUSR | S_IWUSR,
&rd_bd_op, NULL);
for (i = 0; i < NUM_RAMDISKS; i++)
register_disk(NULL, MKDEV(MAJOR_NR,i), 1, &rd_bd_op, rd_size<<1);
#ifdef CONFIG_BLK_DEV_INITRD
/* We ought to separate initrd operations here */
register_disk(NULL, MKDEV(MAJOR_NR,INITRD_MINOR), 1, &rd_bd_op, rd_size<<1);
#endif
hardsect_size[MAJOR_NR] = rd_hardsec; /* Size of the RAM disk blocks */
blksize_size[MAJOR_NR] = rd_blocksizes; /* Avoid set_blocksize() check */
blk_size[MAJOR_NR] = rd_kbsize; /* Size of the RAM disk in kB */
/* rd_size is given in kB */
printk("RAMDISK driver initialized: "
"%d RAM disks of %dK size %d blocksize\n",
NUM_RAMDISKS, rd_size, rd_blocksize);
return 0;
}
void __exit exit_gscd(void)
{
CLEAR_TIMER;
devfs_unregister(devfs_find_handle(NULL, "gscd", 0, 0, DEVFS_SPECIAL_BLK,
0));
if ((devfs_unregister_blkdev(MAJOR_NR, "gscd" ) == -EINVAL))
{
printk("What's that: can't unregister GoldStar-module\n" );
return;
}
blk_cleanup_queue(BLK_DEFAULT_QUEUE(MAJOR_NR));
release_region (gscd_port,4);
printk(KERN_INFO "GoldStar-module released.\n" );
}
static void __exit radimo_cleanup(void)
{
unregister_blkdev(RADIMO_MAJOR, "radimo");
del_timer(&radimo_timer);
invalidate_buffers(MKDEV(RADIMO_MAJOR,0));
/* remove our request function */
#if LINUX_VERSION_CODE < 0x20320
blk_dev[RADIMO_MAJOR].request_fn = 0;
#else
blk_cleanup_queue(BLK_DEFAULT_QUEUE(RADIMO_MAJOR));
#endif
vfree(radimo_storage);
MSG(RADIMO_INFO, "unloaded\n");
}
/* This routine gets called during initialization if things go wrong,
* and is used in mcd_exit as well. */
static void cleanup(int level)
{
switch (level) {
case 3:
if (unregister_cdrom(&mcd_info)) {
printk(KERN_WARNING "Can't unregister cdrom mcd\n");
return;
}
free_irq(mcd_irq, NULL);
case 2:
release_region(mcd_port, 4);
case 1:
if (devfs_unregister_blkdev(MAJOR_NR, "mcd")) {
printk(KERN_WARNING "Can't unregister major mcd\n");
return;
}
blk_cleanup_queue(BLK_DEFAULT_QUEUE(MAJOR_NR));
default:;
}
}
int pd_init (void)
{ int i;
request_queue_t * q;
if (disable) return -1;
if (devfs_register_blkdev(MAJOR_NR,name,&pd_fops)) {
printk("%s: unable to get major number %d\n",
name,major);
return -1;
}
q = BLK_DEFAULT_QUEUE(MAJOR_NR);
blk_init_queue(q, DEVICE_REQUEST);
read_ahead[MAJOR_NR] = 8; /* 8 sector (4kB) read ahead */
pd_gendisk.major = major;
pd_gendisk.major_name = name;
add_gendisk(&pd_gendisk);
for(i=0;i<PD_DEVS;i++) pd_blocksizes[i] = 1024;
blksize_size[MAJOR_NR] = pd_blocksizes;
for(i=0;i<PD_DEVS;i++) pd_maxsectors[i] = cluster;
max_sectors[MAJOR_NR] = pd_maxsectors;
printk("%s: %s version %s, major %d, cluster %d, nice %d\n",
name,name,PD_VERSION,major,cluster,nice);
pd_init_units();
pd_valid = 0;
pd_gendisk.nr_real = pd_detect();
pd_valid = 1;
#ifdef MODULE
if (!pd_gendisk.nr_real) {
cleanup_module();
return -1;
}
#endif
return 0;
}
int sbull_init(void)
{
int result, i;
/*
* Copy the (static) cfg variables to public prefixed ones to allow
* snoozing with a debugger.
*/
sbull_major = major;
sbull_devs = devs;
sbull_rahead = rahead;
sbull_size = size;
sbull_blksize = blksize;
sbull_hardsect = hardsect;
#ifdef LINUX_20
/* Hardsect can't be changed :( */
if (hardsect != 512) {
printk(KERN_ERR "sbull: can't change hardsect size\n");
hardsect = sbull_hardsect = 512;
}
#endif
/*
* Register your major, and accept a dynamic number
*/
result = register_blkdev(sbull_major, "sbull", &sbull_fops);
if (result < 0) {
printk(KERN_WARNING "sbull: can't get major %d\n",sbull_major);
return result;
}
if (sbull_major == 0) sbull_major = result; /* dynamic */
major = sbull_major; /* Use `major' later on to save typing */
/*
* Assign the other needed values: request, rahead, size, blksize,
* hardsect. All the minor devices feature the same value.
* Note that `sbull' defines all of them to allow testing non-default
* values. A real device could well avoid setting values in global
* arrays if it uses the default values.
*/
read_ahead[major] = sbull_rahead;
result = -ENOMEM; /* for the possible errors */
sbull_sizes = kmalloc(sbull_devs * sizeof(int), GFP_KERNEL);
if (!sbull_sizes)
goto fail_malloc;
for (i=0; i < sbull_devs; i++) /* all the same size */
sbull_sizes[i] = sbull_size;
blk_size[major]=sbull_sizes;
sbull_blksizes = kmalloc(sbull_devs * sizeof(int), GFP_KERNEL);
if (!sbull_blksizes)
goto fail_malloc;
for (i=0; i < sbull_devs; i++) /* all the same blocksize */
sbull_blksizes[i] = sbull_blksize;
blksize_size[major]=sbull_blksizes;
sbull_hardsects = kmalloc(sbull_devs * sizeof(int), GFP_KERNEL);
if (!sbull_hardsects)
goto fail_malloc;
for (i=0; i < sbull_devs; i++) /* all the same hardsect */
sbull_hardsects[i] = sbull_hardsect;
hardsect_size[major]=sbull_hardsects;
/* FIXME: max_readahead and max_sectors */
/*
* allocate the devices -- we can't have them static, as the number
* can be specified at load time
*/
sbull_devices = kmalloc(sbull_devs * sizeof (Sbull_Dev), GFP_KERNEL);
if (!sbull_devices)
goto fail_malloc;
memset(sbull_devices, 0, sbull_devs * sizeof (Sbull_Dev));
for (i=0; i < sbull_devs; i++) {
/* data and usage remain zeroed */
sbull_devices[i].size = 1024 * sbull_size;
init_timer(&(sbull_devices[i].timer));
sbull_devices[i].timer.data = (unsigned long)(sbull_devices+i);
sbull_devices[i].timer.function = sbull_expires;
spin_lock_init(&sbull_devices[i].lock);
}
/*
* Get the queue set up, and register our (nonexistent) partitions.
*/
#ifdef SBULL_MULTIQUEUE
for (i = 0; i < sbull_devs; i++) {
blk_init_queue(&sbull_devices[i].queue, sbull_request);
blk_queue_headactive(&sbull_devices[i].queue, 0);
blk_queue_pluggable(&sbull_devices[i].queue, sbull_plug);
}
blk_dev[major].queue = sbull_find_queue;
#else
# ifdef LINUX_24
if (noqueue)
{
blk_init_queue(BLK_DEFAULT_QUEUE(major), sbull_unused_request);
blk_queue_make_request(BLK_DEFAULT_QUEUE(major), sbull_make_request);
}
else
# endif /* LINUX_24 */
blk_init_queue(BLK_DEFAULT_QUEUE(major), sbull_request);
#endif
/* A no-op in 2.4.0, but all drivers seem to do it anyway */
for (i = 0; i < sbull_devs; i++)
register_disk(NULL, MKDEV(major, i), 1, &sbull_fops,
sbull_size << 1);
#ifndef SBULL_DEBUG
EXPORT_NO_SYMBOLS; /* otherwise, leave global symbols visible */
#endif
printk ("<1>sbull: init complete, %d devs, size %d blks %d hs %d\n",
sbull_devs, sbull_size, sbull_blksize, sbull_hardsect);
#ifdef SBULL_MULTIQUEUE
printk ("<1>sbull: Using multiqueue request\n");
#elif defined(LINUX_24)
if (noqueue)
printk (KERN_INFO "sbull: using direct make_request\n");
#endif
#ifdef DO_RAW_INTERFACE
sbullr_init();
#endif
return 0; /* succeed */
fail_malloc:
read_ahead[major] = 0;
if (sbull_sizes) kfree(sbull_sizes);
blk_size[major] = NULL;
if (sbull_blksizes) kfree(sbull_blksizes);
blksize_size[major] = NULL;
if (sbull_hardsects) kfree(sbull_hardsects);
hardsect_size[major] = NULL;
if (sbull_devices) kfree(sbull_devices);
unregister_blkdev(major, "sbull");
return result;
}
static void __exit cleanup_mtdblock(void)
{
unregister_blkdev(MAJOR_NR,DEVICE_NAME);
blk_size[MAJOR_NR] = NULL;
blk_cleanup_queue(BLK_DEFAULT_QUEUE(MAJOR_NR));
}
int __init mcd_init(void)
{
int count;
unsigned char result[3];
char msg[80];
if (mcd_port <= 0 || mcd_irq <= 0) {
printk(KERN_INFO "mcd: not probing.\n");
return -EIO;
}
if (devfs_register_blkdev(MAJOR_NR, "mcd", &mcd_bdops) != 0) {
printk(KERN_ERR "mcd: Unable to get major %d for Mitsumi CD-ROM\n", MAJOR_NR);
return -EIO;
}
if (check_region(mcd_port, 4)) {
cleanup(1);
printk(KERN_ERR "mcd: Initialization failed, I/O port (%X) already in use\n", mcd_port);
return -EIO;
}
blksize_size[MAJOR_NR] = mcd_blocksizes;
blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), DEVICE_REQUEST,
&mcd_spinlock);
read_ahead[MAJOR_NR] = 4;
/* check for card */
outb(0, MCDPORT(1)); /* send reset */
for (count = 0; count < 2000000; count++)
(void) inb(MCDPORT(1)); /* delay a bit */
outb(0x40, MCDPORT(0)); /* send get-stat cmd */
for (count = 0; count < 2000000; count++)
if (!(inb(MCDPORT(1)) & MFL_STATUS))
break;
if (count >= 2000000) {
printk(KERN_INFO "mcd: initialisation failed - No mcd device at 0x%x irq %d\n",
mcd_port, mcd_irq);
cleanup(1);
return -EIO;
}
count = inb(MCDPORT(0)); /* pick up the status */
outb(MCMD_GET_VERSION, MCDPORT(0));
for (count = 0; count < 3; count++)
if (getValue(result + count)) {
printk(KERN_ERR "mcd: mitsumi get version failed at 0x%x\n",
mcd_port);
cleanup(1);
return -EIO;
}
if (result[0] == result[1] && result[1] == result[2]) {
cleanup(1);
return -EIO;
}
mcdVersion = result[2];
if (mcdVersion >= 4)
outb(4, MCDPORT(2)); /* magic happens */
/* don't get the IRQ until we know for sure the drive is there */
if (request_irq(mcd_irq, mcd_interrupt, SA_INTERRUPT, "Mitsumi CD", NULL)) {
printk(KERN_ERR "mcd: Unable to get IRQ%d for Mitsumi CD-ROM\n", mcd_irq);
cleanup(1);
return -EIO;
}
if (result[1] == 'D') {
MCMD_DATA_READ = MCMD_2X_READ;
/* Added flag to drop to 1x speed if too many errors */
mcdDouble = 1;
} else
mcd_info.speed = 1;
sprintf(msg, " mcd: Mitsumi %s Speed CD-ROM at port=0x%x,"
" irq=%d\n", mcd_info.speed == 1 ? "Single" : "Double",
mcd_port, mcd_irq);
request_region(mcd_port, 4, "mcd");
outb(MCMD_CONFIG_DRIVE, MCDPORT(0));
outb(0x02, MCDPORT(0));
outb(0x00, MCDPORT(0));
getValue(result);
outb(MCMD_CONFIG_DRIVE, MCDPORT(0));
outb(0x10, MCDPORT(0));
outb(0x04, MCDPORT(0));
getValue(result);
mcd_invalidate_buffers();
mcdPresent = 1;
mcd_info.dev = mk_kdev(MAJOR_NR, 0);
if (register_cdrom(&mcd_info) != 0) {
printk(KERN_ERR "mcd: Unable to register Mitsumi CD-ROM.\n");
cleanup(3);
return -EIO;
}
devfs_plain_cdrom(&mcd_info, &mcd_bdops);
printk(msg);
return 0;
}
/* It is called at boot time AND for module init. */
int __init my_gscd_init (void)
{
int i;
int result;
printk (KERN_INFO "GSCD: version %s\n", GSCD_VERSION);
printk (KERN_INFO "GSCD: Trying to detect a Goldstar R420 CD-ROM drive at 0x%X.\n", gscd_port);
if (check_region(gscd_port, 4))
{
printk("GSCD: Init failed, I/O port (%X) already in use.\n", gscd_port);
return -EIO;
}
/* check for card */
result = wait_drv_ready ();
if ( result == 0x09 )
{
printk ("GSCD: DMA kann ich noch nicht!\n" );
return -EIO;
}
if ( result == 0x0b )
{
drv_mode = result;
i = find_drives ();
if ( i == 0 )
{
printk ( "GSCD: GoldStar CD-ROM Drive is not found.\n" );
return -EIO;
}
}
if ( (result != 0x0b) && (result != 0x09) )
{
printk ("GSCD: GoldStar Interface Adapter does not exist or H/W error\n" );
return -EIO;
}
/* reset all drives */
i = 0;
while ( drv_states[i] != 0 )
{
curr_drv_state = drv_states[i];
printk (KERN_INFO "GSCD: Reset unit %d ... ",i );
cc_Reset ();
printk ( "done\n" );
i++;
}
if (devfs_register_blkdev(MAJOR_NR, "gscd", &gscd_fops) != 0)
{
printk("GSCD: Unable to get major %d for GoldStar CD-ROM\n",
MAJOR_NR);
return -EIO;
}
devfs_register (NULL, "gscd", DEVFS_FL_DEFAULT, MAJOR_NR, 0,
S_IFBLK | S_IRUGO | S_IWUGO, &gscd_fops, NULL);
blk_init_queue(BLK_DEFAULT_QUEUE(MAJOR_NR), DEVICE_REQUEST);
blksize_size[MAJOR_NR] = gscd_blocksizes;
read_ahead[MAJOR_NR] = 4;
disk_state = 0;
gscdPresent = 1;
request_region(gscd_port, 4, "gscd");
register_disk(NULL, MKDEV(MAJOR_NR,0), 1, &gscd_fops, 0);
printk (KERN_INFO "GSCD: GoldStar CD-ROM Drive found.\n" );
return 0;
}