aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/message/i2o/i2o_config.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/message/i2o/i2o_config.c')
-rw-r--r--drivers/message/i2o/i2o_config.c124
1 files changed, 51 insertions, 73 deletions
diff --git a/drivers/message/i2o/i2o_config.c b/drivers/message/i2o/i2o_config.c
index 1fb5cdf..3c3a7ab 100644
--- a/drivers/message/i2o/i2o_config.c
+++ b/drivers/message/i2o/i2o_config.c
@@ -30,29 +30,15 @@
* 2 of the License, or (at your option) any later version.
*/
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/pci.h>
-#include <linux/i2o.h>
-#include <linux/errno.h>
-#include <linux/init.h>
-#include <linux/slab.h>
#include <linux/miscdevice.h>
-#include <linux/mm.h>
-#include <linux/spinlock.h>
#include <linux/smp_lock.h>
-#include <linux/ioctl32.h>
#include <linux/compat.h>
-#include <linux/syscalls.h>
#include <asm/uaccess.h>
-#include <asm/io.h>
-#define OSM_NAME "config-osm"
-#define OSM_VERSION "$Rev$"
-#define OSM_DESCRIPTION "I2O Configuration OSM"
+#include "core.h"
-extern int i2o_parm_issue(struct i2o_device *, int, void *, int, void *, int);
+#define SG_TABLESIZE 30
static int i2o_cfg_ioctl(struct inode *inode, struct file *fp, unsigned int cmd,
unsigned long arg);
@@ -80,15 +66,6 @@ struct i2o_cfg_info {
static struct i2o_cfg_info *open_files = NULL;
static ulong i2o_cfg_info_id = 0;
-/*
- * Each of these describes an i2o message handler. They are
- * multiplexed by the i2o_core code
- */
-
-static struct i2o_driver i2o_config_driver = {
- .name = OSM_NAME
-};
-
static int i2o_cfg_getiops(unsigned long arg)
{
struct i2o_controller *c;
@@ -391,9 +368,9 @@ static int i2o_cfg_swul(unsigned long arg)
i2o_dma_free(&c->pdev->dev, &buffer);
-return_ret:
+ return_ret:
return ret;
-return_fault:
+ return_fault:
ret = -EFAULT;
goto return_ret;
};
@@ -540,8 +517,10 @@ static int i2o_cfg_evt_get(unsigned long arg, struct file *fp)
return 0;
}
+#ifdef CONFIG_I2O_EXT_ADAPTEC
#ifdef CONFIG_COMPAT
-static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long arg)
+static int i2o_cfg_passthru32(struct file *file, unsigned cmnd,
+ unsigned long arg)
{
struct i2o_cmd_passthru32 __user *cmd;
struct i2o_controller *c;
@@ -555,6 +534,7 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long ar
u32 sg_offset = 0;
u32 sg_count = 0;
u32 i = 0;
+ u32 sg_index = 0;
i2o_status_block *sb;
struct i2o_message *msg;
u32 m;
@@ -634,8 +614,8 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long ar
if (sg_count > SG_TABLESIZE) {
printk(KERN_DEBUG "%s:IOCTL SG List too large (%u)\n",
c->name, sg_count);
- kfree(reply);
- return -EINVAL;
+ rcode = -EINVAL;
+ goto cleanup;
}
for (i = 0; i < sg_count; i++) {
@@ -651,7 +631,7 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long ar
goto cleanup;
}
sg_size = sg[i].flag_count & 0xffffff;
- p = &(sg_list[i]);
+ p = &(sg_list[sg_index++]);
/* Allocate memory for the transfer */
if (i2o_dma_alloc
(&c->pdev->dev, p, sg_size,
@@ -660,20 +640,21 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long ar
"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
c->name, sg_size, i, sg_count);
rcode = -ENOMEM;
- goto cleanup;
+ goto sg_list_cleanup;
}
/* Copy in the user's SG buffer if necessary */
if (sg[i].
flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR */ ) {
// TODO 64bit fix
if (copy_from_user
- (p->virt, (void __user *)(unsigned long)sg[i].addr_bus,
- sg_size)) {
+ (p->virt,
+ (void __user *)(unsigned long)sg[i].
+ addr_bus, sg_size)) {
printk(KERN_DEBUG
"%s: Could not copy SG buf %d FROM user\n",
c->name, i);
rcode = -EFAULT;
- goto cleanup;
+ goto sg_list_cleanup;
}
}
//TODO 64bit fix
@@ -683,10 +664,10 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long ar
rcode = i2o_msg_post_wait(c, m, 60);
if (rcode)
- goto cleanup;
+ goto sg_list_cleanup;
if (sg_offset) {
- u32 msg[128];
+ u32 msg[I2O_OUTBOUND_MSG_FRAME_SIZE];
/* Copy back the Scatter Gather buffers back to user space */
u32 j;
// TODO 64bit fix
@@ -694,18 +675,18 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long ar
int sg_size;
// re-acquire the original message to handle correctly the sg copy operation
- memset(&msg, 0, MSG_FRAME_SIZE * 4);
+ memset(&msg, 0, I2O_OUTBOUND_MSG_FRAME_SIZE * 4);
// get user msg size in u32s
if (get_user(size, &user_msg[0])) {
rcode = -EFAULT;
- goto cleanup;
+ goto sg_list_cleanup;
}
size = size >> 16;
size *= 4;
/* Copy in the user's I2O command */
if (copy_from_user(msg, user_msg, size)) {
rcode = -EFAULT;
- goto cleanup;
+ goto sg_list_cleanup;
}
sg_count =
(size - sg_offset * 4) / sizeof(struct sg_simple_element);
@@ -727,7 +708,7 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long ar
c->name, sg_list[j].virt,
sg[j].addr_bus);
rcode = -EFAULT;
- goto cleanup;
+ goto sg_list_cleanup;
}
}
}
@@ -741,6 +722,7 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long ar
"%s: Could not copy message context FROM user\n",
c->name);
rcode = -EFAULT;
+ goto sg_list_cleanup;
}
if (copy_to_user(user_reply, reply, reply_size)) {
printk(KERN_WARNING
@@ -749,16 +731,21 @@ static int i2o_cfg_passthru32(struct file *file, unsigned cmnd, unsigned long ar
}
}
+ sg_list_cleanup:
+ for (i = 0; i < sg_index; i++)
+ i2o_dma_free(&c->pdev->dev, &sg_list[i]);
+
cleanup:
kfree(reply);
return rcode;
}
-static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd, unsigned long arg)
+static long i2o_cfg_compat_ioctl(struct file *file, unsigned cmd,
+ unsigned long arg)
{
int ret;
- lock_kernel();
- switch (cmd) {
+ lock_kernel();
+ switch (cmd) {
case I2OGETIOPS:
ret = i2o_cfg_ioctl(NULL, file, cmd, arg);
break;
@@ -862,8 +849,8 @@ static int i2o_cfg_passthru(unsigned long arg)
if (sg_count > SG_TABLESIZE) {
printk(KERN_DEBUG "%s:IOCTL SG List too large (%u)\n",
c->name, sg_count);
- kfree(reply);
- return -EINVAL;
+ rcode = -EINVAL;
+ goto cleanup;
}
for (i = 0; i < sg_count; i++) {
@@ -875,7 +862,7 @@ static int i2o_cfg_passthru(unsigned long arg)
"%s:Bad SG element %d - not simple (%x)\n",
c->name, i, sg[i].flag_count);
rcode = -EINVAL;
- goto cleanup;
+ goto sg_list_cleanup;
}
sg_size = sg[i].flag_count & 0xffffff;
/* Allocate memory for the transfer */
@@ -885,7 +872,7 @@ static int i2o_cfg_passthru(unsigned long arg)
"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
c->name, sg_size, i, sg_count);
rcode = -ENOMEM;
- goto cleanup;
+ goto sg_list_cleanup;
}
sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
/* Copy in the user's SG buffer if necessary */
@@ -899,7 +886,7 @@ static int i2o_cfg_passthru(unsigned long arg)
"%s: Could not copy SG buf %d FROM user\n",
c->name, i);
rcode = -EFAULT;
- goto cleanup;
+ goto sg_list_cleanup;
}
}
//TODO 64bit fix
@@ -909,7 +896,7 @@ static int i2o_cfg_passthru(unsigned long arg)
rcode = i2o_msg_post_wait(c, m, 60);
if (rcode)
- goto cleanup;
+ goto sg_list_cleanup;
if (sg_offset) {
u32 msg[128];
@@ -920,18 +907,18 @@ static int i2o_cfg_passthru(unsigned long arg)
int sg_size;
// re-acquire the original message to handle correctly the sg copy operation
- memset(&msg, 0, MSG_FRAME_SIZE * 4);
+ memset(&msg, 0, I2O_OUTBOUND_MSG_FRAME_SIZE * 4);
// get user msg size in u32s
if (get_user(size, &user_msg[0])) {
rcode = -EFAULT;
- goto cleanup;
+ goto sg_list_cleanup;
}
size = size >> 16;
size *= 4;
/* Copy in the user's I2O command */
if (copy_from_user(msg, user_msg, size)) {
rcode = -EFAULT;
- goto cleanup;
+ goto sg_list_cleanup;
}
sg_count =
(size - sg_offset * 4) / sizeof(struct sg_simple_element);
@@ -953,7 +940,7 @@ static int i2o_cfg_passthru(unsigned long arg)
c->name, sg_list[j],
sg[j].addr_bus);
rcode = -EFAULT;
- goto cleanup;
+ goto sg_list_cleanup;
}
}
}
@@ -975,10 +962,15 @@ static int i2o_cfg_passthru(unsigned long arg)
}
}
+ sg_list_cleanup:
+ for (i = 0; i < sg_index; i++)
+ kfree(sg_list[i]);
+
cleanup:
kfree(reply);
return rcode;
}
+#endif
/*
* IOCTL Handler
@@ -1033,9 +1025,11 @@ static int i2o_cfg_ioctl(struct inode *inode, struct file *fp, unsigned int cmd,
ret = i2o_cfg_evt_get(arg, fp);
break;
+#ifdef CONFIG_I2O_EXT_ADAPTEC
case I2OPASSTHRU:
ret = i2o_cfg_passthru(arg);
break;
+#endif
default:
osm_debug("unknown ioctl called!\n");
@@ -1137,37 +1131,21 @@ static struct miscdevice i2o_miscdev = {
&config_fops
};
-static int __init i2o_config_init(void)
+static int __init i2o_config_old_init(void)
{
- printk(KERN_INFO OSM_DESCRIPTION " v" OSM_VERSION "\n");
-
spin_lock_init(&i2o_config_lock);
if (misc_register(&i2o_miscdev) < 0) {
osm_err("can't register device.\n");
return -EBUSY;
}
- /*
- * Install our handler
- */
- if (i2o_driver_register(&i2o_config_driver)) {
- osm_err("handler register failed.\n");
- misc_deregister(&i2o_miscdev);
- return -EBUSY;
- }
+
return 0;
}
-static void i2o_config_exit(void)
+static void i2o_config_old_exit(void)
{
misc_deregister(&i2o_miscdev);
- i2o_driver_unregister(&i2o_config_driver);
}
MODULE_AUTHOR("Red Hat Software");
-MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION(OSM_DESCRIPTION);
-MODULE_VERSION(OSM_VERSION);
-
-module_init(i2o_config_init);
-module_exit(i2o_config_exit);
generated by cgit v1.1 at 2024-10-31 22:22:42 +0000