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-rw-r--r--drivers/block/aoe/aoecmd.c23
-rw-r--r--drivers/block/floppy.c8
-rw-r--r--drivers/block/hd.c2
-rw-r--r--drivers/block/loop.c30
-rw-r--r--drivers/block/nbd.c112
-rw-r--r--drivers/block/xsysace.c30
6 files changed, 136 insertions, 69 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 45c5a33daf4..31693bc2444 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -4,6 +4,7 @@
* Filesystem request handling methods
*/
+#include <linux/ata.h>
#include <linux/hdreg.h>
#include <linux/blkdev.h>
#include <linux/skbuff.h>
@@ -267,7 +268,7 @@ aoecmd_ata_rw(struct aoedev *d)
writebit = 0;
}
- ah->cmdstat = WIN_READ | writebit | extbit;
+ ah->cmdstat = ATA_CMD_PIO_READ | writebit | extbit;
/* mark all tracking fields and load out */
buf->nframesout += 1;
@@ -362,10 +363,10 @@ resend(struct aoedev *d, struct aoetgt *t, struct frame *f)
switch (ah->cmdstat) {
default:
break;
- case WIN_READ:
- case WIN_READ_EXT:
- case WIN_WRITE:
- case WIN_WRITE_EXT:
+ case ATA_CMD_PIO_READ:
+ case ATA_CMD_PIO_READ_EXT:
+ case ATA_CMD_PIO_WRITE:
+ case ATA_CMD_PIO_WRITE_EXT:
put_lba(ah, f->lba);
n = f->bcnt;
@@ -812,8 +813,8 @@ aoecmd_ata_rsp(struct sk_buff *skb)
d->htgt = NULL;
n = ahout->scnt << 9;
switch (ahout->cmdstat) {
- case WIN_READ:
- case WIN_READ_EXT:
+ case ATA_CMD_PIO_READ:
+ case ATA_CMD_PIO_READ_EXT:
if (skb->len - sizeof *hin - sizeof *ahin < n) {
printk(KERN_ERR
"aoe: %s. skb->len=%d need=%ld\n",
@@ -823,8 +824,8 @@ aoecmd_ata_rsp(struct sk_buff *skb)
return;
}
memcpy(f->bufaddr, ahin+1, n);
- case WIN_WRITE:
- case WIN_WRITE_EXT:
+ case ATA_CMD_PIO_WRITE:
+ case ATA_CMD_PIO_WRITE_EXT:
ifp = getif(t, skb->dev);
if (ifp) {
ifp->lost = 0;
@@ -838,7 +839,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
goto xmit;
}
break;
- case WIN_IDENTIFY:
+ case ATA_CMD_ID_ATA:
if (skb->len - sizeof *hin - sizeof *ahin < 512) {
printk(KERN_INFO
"aoe: runt data size in ataid. skb->len=%d\n",
@@ -914,7 +915,7 @@ aoecmd_ata_id(struct aoedev *d)
/* set up ata header */
ah->scnt = 1;
- ah->cmdstat = WIN_IDENTIFY;
+ ah->cmdstat = ATA_CMD_ID_ATA;
ah->lba3 = 0xa0;
skb->dev = t->ifp->nd;
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index c2c95e61450..1300df6f164 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -177,6 +177,7 @@ static int print_unex = 1;
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/platform_device.h>
+#include <linux/mod_devicetable.h>
#include <linux/buffer_head.h> /* for invalidate_buffers() */
#include <linux/mutex.h>
@@ -4597,6 +4598,13 @@ MODULE_AUTHOR("Alain L. Knaff");
MODULE_SUPPORTED_DEVICE("fd");
MODULE_LICENSE("GPL");
+/* This doesn't actually get used other than for module information */
+static const struct pnp_device_id floppy_pnpids[] = {
+ { "PNP0700", 0 },
+ { }
+};
+MODULE_DEVICE_TABLE(pnp, floppy_pnpids);
+
#else
__setup("floppy=", floppy_setup);
diff --git a/drivers/block/hd.c b/drivers/block/hd.c
index 482c0c4b964..3c11f062a18 100644
--- a/drivers/block/hd.c
+++ b/drivers/block/hd.c
@@ -42,6 +42,8 @@
#include <linux/ata.h>
#include <linux/hdreg.h>
+#define HD_IRQ 14
+
#define REALLY_SLOW_IO
#include <asm/system.h>
#include <asm/io.h>
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 2621ed2ce6d..40b17d3b55a 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1192,6 +1192,30 @@ loop_get_status64(struct loop_device *lo, struct loop_info64 __user *arg) {
return err;
}
+static int loop_set_capacity(struct loop_device *lo, struct block_device *bdev)
+{
+ int err;
+ sector_t sec;
+ loff_t sz;
+
+ err = -ENXIO;
+ if (unlikely(lo->lo_state != Lo_bound))
+ goto out;
+ err = figure_loop_size(lo);
+ if (unlikely(err))
+ goto out;
+ sec = get_capacity(lo->lo_disk);
+ /* the width of sector_t may be narrow for bit-shift */
+ sz = sec;
+ sz <<= 9;
+ mutex_lock(&bdev->bd_mutex);
+ bd_set_size(bdev, sz);
+ mutex_unlock(&bdev->bd_mutex);
+
+ out:
+ return err;
+}
+
static int lo_ioctl(struct block_device *bdev, fmode_t mode,
unsigned int cmd, unsigned long arg)
{
@@ -1224,6 +1248,11 @@ static int lo_ioctl(struct block_device *bdev, fmode_t mode,
case LOOP_GET_STATUS64:
err = loop_get_status64(lo, (struct loop_info64 __user *) arg);
break;
+ case LOOP_SET_CAPACITY:
+ err = -EPERM;
+ if ((mode & FMODE_WRITE) || capable(CAP_SYS_ADMIN))
+ err = loop_set_capacity(lo, bdev);
+ break;
default:
err = lo->ioctl ? lo->ioctl(lo, cmd, arg) : -EINVAL;
}
@@ -1371,6 +1400,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode,
lo, (struct compat_loop_info __user *) arg);
mutex_unlock(&lo->lo_ctl_mutex);
break;
+ case LOOP_SET_CAPACITY:
case LOOP_CLR_FD:
case LOOP_GET_STATUS64:
case LOOP_SET_STATUS64:
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 8299e2d3b61..4d6de4f15cc 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -4,7 +4,7 @@
* Note that you can not swap over this thing, yet. Seems to work but
* deadlocks sometimes - you can not swap over TCP in general.
*
- * Copyright 1997-2000 Pavel Machek <pavel@ucw.cz>
+ * Copyright 1997-2000, 2008 Pavel Machek <pavel@suse.cz>
* Parts copyright 2001 Steven Whitehouse <steve@chygwyn.com>
*
* This file is released under GPLv2 or later.
@@ -276,7 +276,7 @@ static int nbd_send_req(struct nbd_device *lo, struct request *req)
return 0;
error_out:
- return 1;
+ return -EIO;
}
static struct request *nbd_find_request(struct nbd_device *lo,
@@ -467,9 +467,7 @@ static void nbd_handle_req(struct nbd_device *lo, struct request *req)
mutex_unlock(&lo->tx_lock);
printk(KERN_ERR "%s: Attempted send on closed socket\n",
lo->disk->disk_name);
- req->errors++;
- nbd_end_request(req);
- return;
+ goto error_out;
}
lo->active_req = req;
@@ -531,7 +529,7 @@ static int nbd_thread(void *data)
* { printk( "Warning: Ignoring result!\n"); nbd_end_request( req ); }
*/
-static void do_nbd_request(struct request_queue * q)
+static void do_nbd_request(struct request_queue *q)
{
struct request *req;
@@ -568,27 +566,17 @@ static void do_nbd_request(struct request_queue * q)
}
}
-static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
- unsigned int cmd, unsigned long arg)
-{
- struct nbd_device *lo = bdev->bd_disk->private_data;
- struct file *file;
- int error;
- struct request sreq ;
- struct task_struct *thread;
-
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
-
- BUG_ON(lo->magic != LO_MAGIC);
-
- /* Anyone capable of this syscall can do *real bad* things */
- dprintk(DBG_IOCTL, "%s: nbd_ioctl cmd=%s(0x%x) arg=%lu\n",
- lo->disk->disk_name, ioctl_cmd_to_ascii(cmd), cmd, arg);
+/* Must be called with tx_lock held */
+static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *lo,
+ unsigned int cmd, unsigned long arg)
+{
switch (cmd) {
- case NBD_DISCONNECT:
+ case NBD_DISCONNECT: {
+ struct request sreq;
+
printk(KERN_INFO "%s: NBD_DISCONNECT\n", lo->disk->disk_name);
+
blk_rq_init(NULL, &sreq);
sreq.cmd_type = REQ_TYPE_SPECIAL;
nbd_cmd(&sreq) = NBD_CMD_DISC;
@@ -599,29 +587,29 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
*/
sreq.sector = 0;
sreq.nr_sectors = 0;
- if (!lo->sock)
+ if (!lo->sock)
return -EINVAL;
- mutex_lock(&lo->tx_lock);
- nbd_send_req(lo, &sreq);
- mutex_unlock(&lo->tx_lock);
+ nbd_send_req(lo, &sreq);
return 0;
+ }
- case NBD_CLEAR_SOCK:
- error = 0;
- mutex_lock(&lo->tx_lock);
+ case NBD_CLEAR_SOCK: {
+ struct file *file;
+
lo->sock = NULL;
- mutex_unlock(&lo->tx_lock);
file = lo->file;
lo->file = NULL;
nbd_clear_que(lo);
BUG_ON(!list_empty(&lo->queue_head));
if (file)
fput(file);
- return error;
- case NBD_SET_SOCK:
+ return 0;
+ }
+
+ case NBD_SET_SOCK: {
+ struct file *file;
if (lo->file)
return -EBUSY;
- error = -EINVAL;
file = fget(arg);
if (file) {
struct inode *inode = file->f_path.dentry->d_inode;
@@ -630,12 +618,14 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
lo->sock = SOCKET_I(inode);
if (max_part > 0)
bdev->bd_invalidated = 1;
- error = 0;
+ return 0;
} else {
fput(file);
}
}
- return error;
+ return -EINVAL;
+ }
+
case NBD_SET_BLKSIZE:
lo->blksize = arg;
lo->bytesize &= ~(lo->blksize-1);
@@ -643,35 +633,50 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
set_blocksize(bdev, lo->blksize);
set_capacity(lo->disk, lo->bytesize >> 9);
return 0;
+
case NBD_SET_SIZE:
lo->bytesize = arg & ~(lo->blksize-1);
bdev->bd_inode->i_size = lo->bytesize;
set_blocksize(bdev, lo->blksize);
set_capacity(lo->disk, lo->bytesize >> 9);
return 0;
+
case NBD_SET_TIMEOUT:
lo->xmit_timeout = arg * HZ;
return 0;
+
case NBD_SET_SIZE_BLOCKS:
lo->bytesize = ((u64) arg) * lo->blksize;
bdev->bd_inode->i_size = lo->bytesize;
set_blocksize(bdev, lo->blksize);
set_capacity(lo->disk, lo->bytesize >> 9);
return 0;
- case NBD_DO_IT:
+
+ case NBD_DO_IT: {
+ struct task_struct *thread;
+ struct file *file;
+ int error;
+
if (lo->pid)
return -EBUSY;
if (!lo->file)
return -EINVAL;
+
+ mutex_unlock(&lo->tx_lock);
+
thread = kthread_create(nbd_thread, lo, lo->disk->disk_name);
- if (IS_ERR(thread))
+ if (IS_ERR(thread)) {
+ mutex_lock(&lo->tx_lock);
return PTR_ERR(thread);
+ }
wake_up_process(thread);
error = nbd_do_it(lo);
kthread_stop(thread);
+
+ mutex_lock(&lo->tx_lock);
if (error)
return error;
- sock_shutdown(lo, 1);
+ sock_shutdown(lo, 0);
file = lo->file;
lo->file = NULL;
nbd_clear_que(lo);
@@ -684,6 +689,8 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
if (max_part > 0)
ioctl_by_bdev(bdev, BLKRRPART, 0);
return lo->harderror;
+ }
+
case NBD_CLEAR_QUE:
/*
* This is for compatibility only. The queue is always cleared
@@ -691,6 +698,7 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
*/
BUG_ON(!lo->sock && !list_empty(&lo->queue_head));
return 0;
+
case NBD_PRINT_DEBUG:
printk(KERN_INFO "%s: next = %p, prev = %p, head = %p\n",
bdev->bd_disk->disk_name,
@@ -698,7 +706,29 @@ static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
&lo->queue_head);
return 0;
}
- return -EINVAL;
+ return -ENOTTY;
+}
+
+static int nbd_ioctl(struct block_device *bdev, fmode_t mode,
+ unsigned int cmd, unsigned long arg)
+{
+ struct nbd_device *lo = bdev->bd_disk->private_data;
+ int error;
+
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+
+ BUG_ON(lo->magic != LO_MAGIC);
+
+ /* Anyone capable of this syscall can do *real bad* things */
+ dprintk(DBG_IOCTL, "%s: nbd_ioctl cmd=%s(0x%x) arg=%lu\n",
+ lo->disk->disk_name, ioctl_cmd_to_ascii(cmd), cmd, arg);
+
+ mutex_lock(&lo->tx_lock);
+ error = __nbd_ioctl(bdev, lo, cmd, arg);
+ mutex_unlock(&lo->tx_lock);
+
+ return error;
}
static struct block_device_operations nbd_fops =
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index 119be3442f2..6cccdc3f522 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -89,6 +89,7 @@
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/blkdev.h>
+#include <linux/ata.h>
#include <linux/hdreg.h>
#include <linux/platform_device.h>
#if defined(CONFIG_OF)
@@ -208,7 +209,7 @@ struct ace_device {
struct gendisk *gd;
/* Inserted CF card parameters */
- struct hd_driveid cf_id;
+ u16 cf_id[ATA_ID_WORDS];
};
static int ace_major;
@@ -402,21 +403,14 @@ static void ace_dump_regs(struct ace_device *ace)
ace_in32(ace, ACE_CFGLBA), ace_in(ace, ACE_FATSTAT));
}
-void ace_fix_driveid(struct hd_driveid *id)
+void ace_fix_driveid(u16 *id)
{
#if defined(__BIG_ENDIAN)
- u16 *buf = (void *)id;
int i;
/* All half words have wrong byte order; swap the bytes */
- for (i = 0; i < sizeof(struct hd_driveid); i += 2, buf++)
- *buf = le16_to_cpu(*buf);
-
- /* Some of the data values are 32bit; swap the half words */
- id->lba_capacity = ((id->lba_capacity >> 16) & 0x0000FFFF) |
- ((id->lba_capacity << 16) & 0xFFFF0000);
- id->spg = ((id->spg >> 16) & 0x0000FFFF) |
- ((id->spg << 16) & 0xFFFF0000);
+ for (i = 0; i < ATA_ID_WORDS; i++, id++)
+ *id = le16_to_cpu(*id);
#endif
}
@@ -614,7 +608,7 @@ static void ace_fsm_dostate(struct ace_device *ace)
break;
case ACE_FSM_STATE_IDENTIFY_COMPLETE:
- ace_fix_driveid(&ace->cf_id);
+ ace_fix_driveid(&ace->cf_id[0]);
ace_dump_mem(&ace->cf_id, 512); /* Debug: Dump out disk ID */
if (ace->data_result) {
@@ -627,9 +621,10 @@ static void ace_fsm_dostate(struct ace_device *ace)
ace->media_change = 0;
/* Record disk parameters */
- set_capacity(ace->gd, ace->cf_id.lba_capacity);
+ set_capacity(ace->gd,
+ ata_id_u32(&ace->cf_id, ATA_ID_LBA_CAPACITY));
dev_info(ace->dev, "capacity: %i sectors\n",
- ace->cf_id.lba_capacity);
+ ata_id_u32(&ace->cf_id, ATA_ID_LBA_CAPACITY));
}
/* We're done, drop to IDLE state and notify waiters */
@@ -928,12 +923,13 @@ static int ace_release(struct gendisk *disk, fmode_t mode)
static int ace_getgeo(struct block_device *bdev, struct hd_geometry *geo)
{
struct ace_device *ace = bdev->bd_disk->private_data;
+ u16 *cf_id = &ace->cf_id[0];
dev_dbg(ace->dev, "ace_getgeo()\n");
- geo->heads = ace->cf_id.heads;
- geo->sectors = ace->cf_id.sectors;
- geo->cylinders = ace->cf_id.cyls;
+ geo->heads = cf_id[ATA_ID_HEADS];
+ geo->sectors = cf_id[ATA_ID_SECTORS];
+ geo->cylinders = cf_id[ATA_ID_CYLS];
return 0;
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-05 04:34:09 +0000