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path: root/drivers/scsi/ch.c
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Diffstat (limited to 'drivers/scsi/ch.c')
-rw-r--r--drivers/scsi/ch.c73
1 files changed, 33 insertions, 40 deletions
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index 3900e28ac7d6..540147cb51ce 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -20,7 +20,6 @@
#include <linux/interrupt.h>
#include <linux/blkdev.h>
#include <linux/completion.h>
-#include <linux/devfs_fs_kernel.h>
#include <linux/ioctl32.h>
#include <linux/compat.h>
#include <linux/chio.h> /* here are all the ioctls */
@@ -31,7 +30,7 @@
#include <scsi/scsi_ioctl.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_device.h>
-#include <scsi/scsi_request.h>
+#include <scsi/scsi_eh.h>
#include <scsi/scsi_dbg.h>
#define CH_DT_MAX 16
@@ -117,7 +116,7 @@ typedef struct {
} scsi_changer;
static LIST_HEAD(ch_devlist);
-static spinlock_t ch_devlist_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(ch_devlist_lock);
static int ch_devcount;
static struct scsi_driver ch_template =
@@ -181,17 +180,17 @@ static struct {
/* ------------------------------------------------------------------- */
-static int ch_find_errno(unsigned char *sense_buffer)
+static int ch_find_errno(struct scsi_sense_hdr *sshdr)
{
int i,errno = 0;
/* Check to see if additional sense information is available */
- if (sense_buffer[7] > 5 &&
- sense_buffer[12] != 0) {
+ if (scsi_sense_valid(sshdr) &&
+ sshdr->asc != 0) {
for (i = 0; err[i].errno != 0; i++) {
- if (err[i].sense == sense_buffer[ 2] &&
- err[i].asc == sense_buffer[12] &&
- err[i].ascq == sense_buffer[13]) {
+ if (err[i].sense == sshdr->sense_key &&
+ err[i].asc == sshdr->asc &&
+ err[i].ascq == sshdr->ascq) {
errno = -err[i].errno;
break;
}
@@ -207,13 +206,9 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
void *buffer, unsigned buflength,
enum dma_data_direction direction)
{
- int errno, retries = 0, timeout;
- struct scsi_request *sr;
+ int errno, retries = 0, timeout, result;
+ struct scsi_sense_hdr sshdr;
- sr = scsi_allocate_request(ch->device, GFP_KERNEL);
- if (NULL == sr)
- return -ENOMEM;
-
timeout = (cmd[0] == INITIALIZE_ELEMENT_STATUS)
? timeout_init : timeout_move;
@@ -224,16 +219,17 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
__scsi_print_command(cmd);
}
- scsi_wait_req(sr, cmd, buffer, buflength,
- timeout * HZ, MAX_RETRIES);
+ result = scsi_execute_req(ch->device, cmd, direction, buffer,
+ buflength, &sshdr, timeout * HZ,
+ MAX_RETRIES);
- dprintk("result: 0x%x\n",sr->sr_result);
- if (driver_byte(sr->sr_result) & DRIVER_SENSE) {
+ dprintk("result: 0x%x\n",result);
+ if (driver_byte(result) & DRIVER_SENSE) {
if (debug)
- scsi_print_req_sense(ch->name, sr);
- errno = ch_find_errno(sr->sr_sense_buffer);
+ scsi_print_sense_hdr(ch->name, &sshdr);
+ errno = ch_find_errno(&sshdr);
- switch(sr->sr_sense_buffer[2] & 0xf) {
+ switch(sshdr.sense_key) {
case UNIT_ATTENTION:
ch->unit_attention = 1;
if (retries++ < 3)
@@ -241,7 +237,6 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
break;
}
}
- scsi_release_request(sr);
return errno;
}
@@ -565,7 +560,7 @@ ch_set_voltag(scsi_changer *ch, u_int elem,
return result;
}
-static int ch_gstatus(scsi_changer *ch, int type, unsigned char *dest)
+static int ch_gstatus(scsi_changer *ch, int type, unsigned char __user *dest)
{
int retval = 0;
u_char data[16];
@@ -639,6 +634,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
{
scsi_changer *ch = file->private_data;
int retval;
+ void __user *argp = (void __user *)arg;
switch (cmd) {
case CHIOGPARAMS:
@@ -651,7 +647,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
params.cp_nportals = ch->counts[CHET_IE];
params.cp_ndrives = ch->counts[CHET_DT];
- if (copy_to_user((void *) arg, &params, sizeof(params)))
+ if (copy_to_user(argp, &params, sizeof(params)))
return -EFAULT;
return 0;
}
@@ -676,7 +672,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
vparams.cvp_n4 = ch->counts[CHET_V4];
strncpy(vparams.cvp_label4,vendor_labels[3],16);
}
- if (copy_to_user((void *) arg, &vparams, sizeof(vparams)))
+ if (copy_to_user(argp, &vparams, sizeof(vparams)))
return -EFAULT;
return 0;
}
@@ -685,7 +681,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
{
struct changer_position pos;
- if (copy_from_user(&pos, (void*)arg, sizeof (pos)))
+ if (copy_from_user(&pos, argp, sizeof (pos)))
return -EFAULT;
if (0 != ch_checkrange(ch, pos.cp_type, pos.cp_unit)) {
@@ -704,7 +700,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
{
struct changer_move mv;
- if (copy_from_user(&mv, (void*)arg, sizeof (mv)))
+ if (copy_from_user(&mv, argp, sizeof (mv)))
return -EFAULT;
if (0 != ch_checkrange(ch, mv.cm_fromtype, mv.cm_fromunit) ||
@@ -726,7 +722,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
{
struct changer_exchange mv;
- if (copy_from_user(&mv, (void*)arg, sizeof (mv)))
+ if (copy_from_user(&mv, argp, sizeof (mv)))
return -EFAULT;
if (0 != ch_checkrange(ch, mv.ce_srctype, mv.ce_srcunit ) ||
@@ -751,7 +747,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
{
struct changer_element_status ces;
- if (copy_from_user(&ces, (void*)arg, sizeof (ces)))
+ if (copy_from_user(&ces, argp, sizeof (ces)))
return -EFAULT;
if (ces.ces_type < 0 || ces.ces_type >= CH_TYPES)
return -EINVAL;
@@ -767,7 +763,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
unsigned int elem;
int result,i;
- if (copy_from_user(&cge, (void*)arg, sizeof (cge)))
+ if (copy_from_user(&cge, argp, sizeof (cge)))
return -EFAULT;
if (0 != ch_checkrange(ch, cge.cge_type, cge.cge_unit))
@@ -830,7 +826,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
kfree(buffer);
up(&ch->lock);
- if (copy_to_user((void*)arg, &cge, sizeof (cge)))
+ if (copy_to_user(argp, &cge, sizeof (cge)))
return -EFAULT;
return result;
}
@@ -848,7 +844,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
struct changer_set_voltag csv;
int elem;
- if (copy_from_user(&csv, (void*)arg, sizeof(csv)))
+ if (copy_from_user(&csv, argp, sizeof(csv)))
return -EFAULT;
if (0 != ch_checkrange(ch, csv.csv_type, csv.csv_unit)) {
@@ -866,7 +862,7 @@ static int ch_ioctl(struct inode * inode, struct file * file,
}
default:
- return scsi_ioctl(ch->device, cmd, (void*)arg);
+ return scsi_ioctl(ch->device, cmd, argp);
}
}
@@ -899,9 +895,9 @@ static long ch_ioctl_compat(struct file * file,
case CHIOGSTATUS32:
{
struct changer_element_status32 ces32;
- unsigned char *data;
+ unsigned char __user *data;
- if (copy_from_user(&ces32, (void*)arg, sizeof (ces32)))
+ if (copy_from_user(&ces32, (void __user *)arg, sizeof (ces32)))
return -EFAULT;
if (ces32.ces_type < 0 || ces32.ces_type >= CH_TYPES)
return -EINVAL;
@@ -940,9 +936,7 @@ static int ch_probe(struct device *dev)
if (init)
ch_init_elem(ch);
- devfs_mk_cdev(MKDEV(SCSI_CHANGER_MAJOR,ch->minor),
- S_IFCHR | S_IRUGO | S_IWUGO, ch->name);
- class_device_create(ch_sysfs_class,
+ class_device_create(ch_sysfs_class, NULL,
MKDEV(SCSI_CHANGER_MAJOR,ch->minor),
dev, "s%s", ch->name);
@@ -974,7 +968,6 @@ static int ch_remove(struct device *dev)
class_device_destroy(ch_sysfs_class,
MKDEV(SCSI_CHANGER_MAJOR,ch->minor));
- devfs_remove(ch->name);
kfree(ch->dt);
kfree(ch);
ch_devcount--;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.