blob: 7b52a77dc094e9051f4bb920d6fe44abdffaacbd [file] [log] [blame]
/* $Id: ioctl32.c,v 1.12 2002/07/08 20:52:15 grundler Exp $
* ioctl32.c: Conversion between 32bit and 64bit native ioctls.
*
* Copyright (C) 1997-2000 Jakub Jelinek (jakub@redhat.com)
* Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
*
* These routines maintain argument size conversion between 32bit and 64bit
* ioctls.
*/
#include <linux/config.h>
#include <linux/types.h>
#include "sys32.h"
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/ioctl.h>
#include <linux/if.h>
#include <linux/slab.h>
#include <linux/hdreg.h>
#include <linux/raid/md.h>
#include <linux/kd.h>
#include <linux/route.h>
#include <linux/skbuff.h>
#include <linux/netlink.h>
#include <linux/vt.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/fd.h>
#include <linux/ppp_defs.h>
#include <linux/if_ppp.h>
#include <linux/if_pppox.h>
#include <linux/mtio.h>
#include <linux/cdrom.h>
#include <linux/loop.h>
#include <linux/auto_fs.h>
#include <linux/auto_fs4.h>
#include <linux/devfs_fs.h>
#include <linux/tty.h>
#include <linux/vt_kern.h>
#include <linux/fb.h>
#include <linux/ext2_fs.h>
#include <linux/videodev.h>
#include <linux/netdevice.h>
#include <linux/raw.h>
#include <linux/smb_fs.h>
#include <linux/blkpg.h>
#include <linux/blk.h>
#include <linux/elevator.h>
#include <linux/rtc.h>
#include <linux/serial.h>
#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE)
/* Ugh. This header really is not clean */
/* #define min min
#define max max */
#include <linux/lvm.h>
#endif /* LVM */
#include <scsi/scsi.h>
/* Ugly hack. */
#undef __KERNEL__
#include <scsi/scsi_ioctl.h>
#define __KERNEL__
#include <scsi/sg.h>
#include <asm/types.h>
#include <asm/uaccess.h>
#include <asm/perf.h>
#include <linux/ethtool.h>
#include <linux/soundcard.h>
#include <linux/atm.h>
#include <linux/atmarp.h>
#include <linux/atmclip.h>
#include <linux/atmdev.h>
#include <linux/atmioc.h>
#include <linux/atmlec.h>
#include <linux/atmmpc.h>
#include <linux/atmsvc.h>
#include <linux/atm_tcp.h>
#include <linux/sonet.h>
#include <linux/atm_suni.h>
#include <asm/module.h> /* get #define module_map() */
/* Use this to get at 32-bit user passed pointers.
See sys_sparc32.c for description about these. */
#define A(__x) ((unsigned long)(__x))
/* Aiee. Someone does not find a difference between int and long */
#define EXT2_IOC32_GETFLAGS _IOR('f', 1, int)
#define EXT2_IOC32_SETFLAGS _IOW('f', 2, int)
#define EXT2_IOC32_GETVERSION _IOR('v', 1, int)
#define EXT2_IOC32_SETVERSION _IOW('v', 2, int)
extern asmlinkage int sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg);
static int w_long(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
int err;
unsigned long val;
set_fs (KERNEL_DS);
err = sys_ioctl(fd, cmd, (unsigned long)&val);
set_fs (old_fs);
if (!err && put_user(val, (u32 *)arg))
return -EFAULT;
return err;
}
static int rw_long(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
int err;
unsigned long val;
if(get_user(val, (u32 *)arg))
return -EFAULT;
set_fs (KERNEL_DS);
err = sys_ioctl(fd, cmd, (unsigned long)&val);
set_fs (old_fs);
if (!err && put_user(val, (u32 *)arg))
return -EFAULT;
return err;
}
static int siocprivate(unsigned int fd, unsigned int cmd, unsigned long arg)
{
int err = sys_ioctl(fd, cmd, arg);
if ((unsigned) err > -4095)
printk(KERN_WARNING
"ioctl(%d, 0x%x, %p) -- SIOCDEVPRIVATE-based ioctls aren't really\n"
"supported, though some will work by accident.\n",
fd, cmd, (void *)arg);
return err;
}
static int do_ext2_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
/* These are just misnamed, they actually get/put from/to user an int */
switch (cmd) {
case EXT2_IOC32_GETFLAGS: cmd = EXT2_IOC_GETFLAGS; break;
case EXT2_IOC32_SETFLAGS: cmd = EXT2_IOC_SETFLAGS; break;
case EXT2_IOC32_GETVERSION: cmd = EXT2_IOC_GETVERSION; break;
case EXT2_IOC32_SETVERSION: cmd = EXT2_IOC_SETVERSION; break;
}
return sys_ioctl(fd, cmd, arg);
}
static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct timeval32 *up = (struct timeval32 *)arg;
struct timeval ktv;
mm_segment_t old_fs = get_fs();
int err;
set_fs(KERNEL_DS);
err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
set_fs(old_fs);
if(!err) {
err = put_user(ktv.tv_sec, &up->tv_sec);
err |= __put_user(ktv.tv_usec, &up->tv_usec);
}
return err;
}
struct ifmap32 {
u32 mem_start;
u32 mem_end;
unsigned short base_addr;
unsigned char irq;
unsigned char dma;
unsigned char port;
};
struct ifreq32 {
#define IFHWADDRLEN 6
#define IFNAMSIZ 16
union {
char ifrn_name[IFNAMSIZ]; /* if name, e.g. "en0" */
} ifr_ifrn;
union {
struct sockaddr ifru_addr;
struct sockaddr ifru_dstaddr;
struct sockaddr ifru_broadaddr;
struct sockaddr ifru_netmask;
struct sockaddr ifru_hwaddr;
short ifru_flags;
int ifru_ivalue;
int ifru_mtu;
struct ifmap32 ifru_map;
char ifru_slave[IFNAMSIZ]; /* Just fits the size */
char ifru_newname[IFNAMSIZ];
__kernel_caddr_t32 ifru_data;
} ifr_ifru;
};
struct ifconf32 {
int ifc_len; /* size of buffer */
__kernel_caddr_t32 ifcbuf;
};
static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct net_device *dev;
struct ifreq32 ifr32;
int err;
if (copy_from_user(&ifr32, (struct ifreq32 *)arg, sizeof(struct ifreq32)))
return -EFAULT;
dev = dev_get_by_index(ifr32.ifr_ifindex);
if (!dev)
return -ENODEV;
strcpy(ifr32.ifr_name, dev->name);
err = copy_to_user((struct ifreq32 *)arg, &ifr32, sizeof(struct ifreq32));
return (err ? -EFAULT : 0);
}
static inline int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct ifconf32 ifc32;
struct ifconf ifc;
struct ifreq32 *ifr32;
struct ifreq *ifr;
mm_segment_t old_fs;
unsigned int i, j;
int err;
if (copy_from_user(&ifc32, (struct ifconf32 *)arg, sizeof(struct ifconf32)))
return -EFAULT;
if(ifc32.ifcbuf == 0) {
ifc32.ifc_len = 0;
ifc.ifc_len = 0;
ifc.ifc_buf = NULL;
} else {
ifc.ifc_len = ((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
sizeof (struct ifreq);
ifc.ifc_buf = kmalloc (ifc.ifc_len, GFP_KERNEL);
if (!ifc.ifc_buf)
return -ENOMEM;
}
ifr = ifc.ifc_req;
ifr32 = (struct ifreq32 *)A(ifc32.ifcbuf);
for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
if (copy_from_user(ifr++, ifr32++, sizeof (struct ifreq32))) {
kfree (ifc.ifc_buf);
return -EFAULT;
}
}
old_fs = get_fs(); set_fs (KERNEL_DS);
err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)&ifc);
set_fs (old_fs);
if (!err) {
ifr = ifc.ifc_req;
ifr32 = (struct ifreq32 *)A(ifc32.ifcbuf);
for (i = 0, j = 0; i < ifc32.ifc_len && j < ifc.ifc_len;
i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
if (copy_to_user(ifr32++, ifr++, sizeof (struct ifreq32))) {
err = -EFAULT;
break;
}
}
if (!err) {
if (i <= ifc32.ifc_len)
ifc32.ifc_len = i;
else
ifc32.ifc_len = i - sizeof (struct ifreq32);
if (copy_to_user((struct ifconf32 *)arg, &ifc32, sizeof(struct ifconf32)))
err = -EFAULT;
}
}
if(ifc.ifc_buf != NULL)
kfree (ifc.ifc_buf);
return err;
}
static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct ifreq ifr;
mm_segment_t old_fs;
int err;
switch (cmd) {
case SIOCSIFMAP:
err = copy_from_user(&ifr, (struct ifreq32 *)arg, sizeof(ifr.ifr_name));
err |= __get_user(ifr.ifr_map.mem_start, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.mem_start));
err |= __get_user(ifr.ifr_map.mem_end, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.mem_end));
err |= __get_user(ifr.ifr_map.base_addr, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.base_addr));
err |= __get_user(ifr.ifr_map.irq, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.irq));
err |= __get_user(ifr.ifr_map.dma, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.dma));
err |= __get_user(ifr.ifr_map.port, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.port));
if (err)
return -EFAULT;
break;
case SIOCGPPPSTATS:
case SIOCGPPPCSTATS:
case SIOCGPPPVER:
case SIOCETHTOOL:
if (copy_from_user(&ifr, (struct ifreq32 *)arg, sizeof(struct ifreq32)))
return -EFAULT;
ifr.ifr_data = (__kernel_caddr_t)get_free_page(GFP_KERNEL);
if (!ifr.ifr_data)
return -EAGAIN;
if(cmd == SIOCETHTOOL) {
u32 data;
__get_user(data, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_data));
if(copy_from_user(ifr.ifr_data,
(char *)A(data),
sizeof(struct ethtool_cmd))) {
free_page((unsigned long)ifr.ifr_data);
return -EFAULT;
}
}
break;
default:
if (copy_from_user(&ifr, (struct ifreq32 *)arg, sizeof(struct ifreq32)))
return -EFAULT;
break;
}
old_fs = get_fs();
set_fs (KERNEL_DS);
err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
set_fs (old_fs);
if (!err) {
switch (cmd) {
case SIOCGIFFLAGS:
case SIOCGIFMETRIC:
case SIOCGIFMTU:
case SIOCGIFMEM:
case SIOCGIFHWADDR:
case SIOCGIFINDEX:
case SIOCGIFADDR:
case SIOCGIFBRDADDR:
case SIOCGIFDSTADDR:
case SIOCGIFNETMASK:
case SIOCGIFTXQLEN:
if (copy_to_user((struct ifreq32 *)arg, &ifr, sizeof(struct ifreq32)))
return -EFAULT;
break;
case SIOCGPPPSTATS:
case SIOCGPPPCSTATS:
case SIOCGPPPVER:
case SIOCETHTOOL:
{
u32 data;
int len;
__get_user(data, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_data));
if(cmd == SIOCETHTOOL)
len = sizeof(struct ethtool_cmd);
if(cmd == SIOCGPPPVER)
len = strlen((char *)ifr.ifr_data) + 1;
else if(cmd == SIOCGPPPCSTATS)
len = sizeof(struct ppp_comp_stats);
else
len = sizeof(struct ppp_stats);
len = copy_to_user((char *)A(data), ifr.ifr_data, len);
free_page((unsigned long)ifr.ifr_data);
if(len)
return -EFAULT;
break;
}
case SIOCGIFMAP:
err = copy_to_user((struct ifreq32 *)arg, &ifr, sizeof(ifr.ifr_name));
err |= __put_user(ifr.ifr_map.mem_start, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.mem_start));
err |= __put_user(ifr.ifr_map.mem_end, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.mem_end));
err |= __put_user(ifr.ifr_map.base_addr, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.base_addr));
err |= __put_user(ifr.ifr_map.irq, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.irq));
err |= __put_user(ifr.ifr_map.dma, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.dma));
err |= __put_user(ifr.ifr_map.port, &(((struct ifreq32 *)arg)->ifr_ifru.ifru_map.port));
if (err)
err = -EFAULT;
break;
}
}
return err;
}
struct rtentry32 {
u32 rt_pad1;
struct sockaddr rt_dst; /* target address */
struct sockaddr rt_gateway; /* gateway addr (RTF_GATEWAY) */
struct sockaddr rt_genmask; /* target network mask (IP) */
unsigned short rt_flags;
short rt_pad2;
u32 rt_pad3;
unsigned char rt_tos;
unsigned char rt_class;
short rt_pad4;
short rt_metric; /* +1 for binary compatibility! */
/* char * */ u32 rt_dev; /* forcing the device at add */
u32 rt_mtu; /* per route MTU/Window */
u32 rt_window; /* Window clamping */
unsigned short rt_irtt; /* Initial RTT */
};
static inline int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct rtentry r;
char devname[16];
u32 rtdev;
int ret;
mm_segment_t old_fs = get_fs();
ret = copy_from_user (&r.rt_dst, &(((struct rtentry32 *)arg)->rt_dst), 3 * sizeof(struct sockaddr));
ret |= __get_user (r.rt_flags, &(((struct rtentry32 *)arg)->rt_flags));
ret |= __get_user (r.rt_metric, &(((struct rtentry32 *)arg)->rt_metric));
ret |= __get_user (r.rt_mtu, &(((struct rtentry32 *)arg)->rt_mtu));
ret |= __get_user (r.rt_window, &(((struct rtentry32 *)arg)->rt_window));
ret |= __get_user (r.rt_irtt, &(((struct rtentry32 *)arg)->rt_irtt));
ret |= __get_user (rtdev, &(((struct rtentry32 *)arg)->rt_dev));
if (rtdev) {
ret |= copy_from_user (devname, (char *)A(rtdev), 15);
r.rt_dev = devname; devname[15] = 0;
} else
r.rt_dev = 0;
if (ret)
return -EFAULT;
set_fs (KERNEL_DS);
ret = sys_ioctl (fd, cmd, (long)&r);
set_fs (old_fs);
return ret;
}
struct hd_geometry32 {
unsigned char heads;
unsigned char sectors;
unsigned short cylinders;
u32 start;
};
static inline int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
struct hd_geometry geo;
int err;
set_fs (KERNEL_DS);
err = sys_ioctl(fd, HDIO_GETGEO, (unsigned long)&geo);
set_fs (old_fs);
if (!err) {
err = copy_to_user ((struct hd_geometry32 *)arg, &geo, 4);
err |= __put_user (geo.start, &(((struct hd_geometry32 *)arg)->start));
}
return err ? -EFAULT : 0;
}
#if 0
/* looks like SPARC only - eg sbus video */
struct fbcmap32 {
int index; /* first element (0 origin) */
int count;
u32 red;
u32 green;
u32 blue;
};
static inline int fbiogetputcmap(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct fbcmap f;
int ret;
char red[256], green[256], blue[256];
u32 r, g, b;
mm_segment_t old_fs = get_fs();
ret = get_user(f.index, &(((struct fbcmap32 *)arg)->index));
ret |= __get_user(f.count, &(((struct fbcmap32 *)arg)->count));
ret |= __get_user(r, &(((struct fbcmap32 *)arg)->red));
ret |= __get_user(g, &(((struct fbcmap32 *)arg)->green));
ret |= __get_user(b, &(((struct fbcmap32 *)arg)->blue));
if (ret)
return -EFAULT;
if ((f.index < 0) || (f.index > 255)) return -EINVAL;
if (f.index + f.count > 256)
f.count = 256 - f.index;
if (cmd == FBIOPUTCMAP32) {
ret = copy_from_user (red, (char *)A(r), f.count);
ret |= copy_from_user (green, (char *)A(g), f.count);
ret |= copy_from_user (blue, (char *)A(b), f.count);
if (ret)
return -EFAULT;
}
f.red = red; f.green = green; f.blue = blue;
set_fs (KERNEL_DS);
ret = sys_ioctl (fd, (cmd == FBIOPUTCMAP32) ? FBIOPUTCMAP_SPARC : FBIOGETCMAP_SPARC, (long)&f);
set_fs (old_fs);
if (!ret && cmd == FBIOGETCMAP32) {
ret = copy_to_user ((char *)A(r), red, f.count);
ret |= copy_to_user ((char *)A(g), green, f.count);
ret |= copy_to_user ((char *)A(b), blue, f.count);
}
return ret ? -EFAULT : 0;
}
struct fbcursor32 {
short set; /* what to set, choose from the list above */
short enable; /* cursor on/off */
struct fbcurpos pos; /* cursor position */
struct fbcurpos hot; /* cursor hot spot */
struct fbcmap32 cmap; /* color map info */
struct fbcurpos size; /* cursor bit map size */
u32 image; /* cursor image bits */
u32 mask; /* cursor mask bits */
};
static inline int fbiogscursor(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct fbcursor f;
int ret;
char red[2], green[2], blue[2];
char image[128], mask[128];
u32 r, g, b;
u32 m, i;
mm_segment_t old_fs = get_fs();
ret = copy_from_user (&f, (struct fbcursor32 *)arg, 2 * sizeof (short) + 2 * sizeof(struct fbcurpos));
ret |= __get_user(f.size.fbx, &(((struct fbcursor32 *)arg)->size.fbx));
ret |= __get_user(f.size.fby, &(((struct fbcursor32 *)arg)->size.fby));
ret |= __get_user(f.cmap.index, &(((struct fbcursor32 *)arg)->cmap.index));
ret |= __get_user(f.cmap.count, &(((struct fbcursor32 *)arg)->cmap.count));
ret |= __get_user(r, &(((struct fbcursor32 *)arg)->cmap.red));
ret |= __get_user(g, &(((struct fbcursor32 *)arg)->cmap.green));
ret |= __get_user(b, &(((struct fbcursor32 *)arg)->cmap.blue));
ret |= __get_user(m, &(((struct fbcursor32 *)arg)->mask));
ret |= __get_user(i, &(((struct fbcursor32 *)arg)->image));
if (ret)
return -EFAULT;
if (f.set & FB_CUR_SETCMAP) {
if ((uint) f.size.fby > 32)
return -EINVAL;
ret = copy_from_user (mask, (char *)A(m), f.size.fby * 4);
ret |= copy_from_user (image, (char *)A(i), f.size.fby * 4);
if (ret)
return -EFAULT;
f.image = image; f.mask = mask;
}
if (f.set & FB_CUR_SETCMAP) {
ret = copy_from_user (red, (char *)A(r), 2);
ret |= copy_from_user (green, (char *)A(g), 2);
ret |= copy_from_user (blue, (char *)A(b), 2);
if (ret)
return -EFAULT;
f.cmap.red = red; f.cmap.green = green; f.cmap.blue = blue;
}
set_fs (KERNEL_DS);
ret = sys_ioctl (fd, FBIOSCURSOR, (long)&f);
set_fs (old_fs);
return ret;
}
#endif /* 0 */
struct fb_fix_screeninfo32 {
char id[16];
__kernel_caddr_t32 smem_start;
__u32 smem_len;
__u32 type;
__u32 type_aux;
__u32 visual;
__u16 xpanstep;
__u16 ypanstep;
__u16 ywrapstep;
__u32 line_length;
__kernel_caddr_t32 mmio_start;
__u32 mmio_len;
__u32 accel;
__u16 reserved[3];
};
struct fb_cmap32 {
__u32 start;
__u32 len;
__kernel_caddr_t32 red;
__kernel_caddr_t32 green;
__kernel_caddr_t32 blue;
__kernel_caddr_t32 transp;
};
static int fb_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
u32 red = 0, green = 0, blue = 0, transp = 0;
struct fb_fix_screeninfo fix;
struct fb_cmap cmap;
void *karg;
int err = 0;
memset(&cmap, 0, sizeof(cmap));
switch (cmd) {
case FBIOGET_FSCREENINFO:
karg = &fix;
break;
case FBIOGETCMAP:
case FBIOPUTCMAP:
karg = &cmap;
err = __get_user(cmap.start, &((struct fb_cmap32 *)arg)->start);
err |= __get_user(cmap.len, &((struct fb_cmap32 *)arg)->len);
err |= __get_user(red, &((struct fb_cmap32 *)arg)->red);
err |= __get_user(green, &((struct fb_cmap32 *)arg)->green);
err |= __get_user(blue, &((struct fb_cmap32 *)arg)->blue);
err |= __get_user(transp, &((struct fb_cmap32 *)arg)->transp);
if (err) {
err = -EFAULT;
goto out;
}
err = -ENOMEM;
cmap.red = kmalloc(cmap.len * sizeof(__u16), GFP_KERNEL);
if (!cmap.red)
goto out;
cmap.green = kmalloc(cmap.len * sizeof(__u16), GFP_KERNEL);
if (!cmap.green)
goto out;
cmap.blue = kmalloc(cmap.len * sizeof(__u16), GFP_KERNEL);
if (!cmap.blue)
goto out;
if (transp) {
cmap.transp = kmalloc(cmap.len * sizeof(__u16), GFP_KERNEL);
if (!cmap.transp)
goto out;
}
if (cmd == FBIOGETCMAP)
break;
err = __copy_from_user(cmap.red, (char *)A(red), cmap.len * sizeof(__u16));
err |= __copy_from_user(cmap.green, (char *)A(green), cmap.len * sizeof(__u16));
err |= __copy_from_user(cmap.blue, (char *)A(blue), cmap.len * sizeof(__u16));
if (cmap.transp) err |= __copy_from_user(cmap.transp, (char *)A(transp), cmap.len * sizeof(__u16));
if (err) {
err = -EFAULT;
goto out;
}
break;
default:
do {
static int count = 0;
if (++count <= 20)
printk(KERN_WARNING
"%s: Unknown fb ioctl cmd fd(%d) "
"cmd(%08x) arg(%08lx)\n",
__FUNCTION__, fd, cmd, arg);
} while(0);
return -ENOSYS;
}
set_fs(KERNEL_DS);
err = sys_ioctl(fd, cmd, (unsigned long)karg);
set_fs(old_fs);
if (err)
goto out;
switch (cmd) {
struct fb_fix_screeninfo32 fix32;
case FBIOGET_FSCREENINFO:
memset(&fix32, 0, sizeof(fix32));
memcpy(fix32.id, fix.id, sizeof(fix32.id));
fix32.smem_start = (__u32)(unsigned long)fix.smem_start;
fix32.smem_len = fix.smem_len;
fix32.type = fix.type;
fix32.type_aux = fix.type_aux;
fix32.visual = fix.visual;
fix32.xpanstep = fix.xpanstep;
fix32.ypanstep = fix.ypanstep;
fix32.ywrapstep = fix.ywrapstep;
fix32.line_length = fix.line_length;
fix32.mmio_start = (__u32)(unsigned long)fix.mmio_start;
fix32.mmio_len = fix.mmio_len;
fix32.accel = fix.accel;
memcpy(fix32.reserved, fix.reserved, sizeof(fix32.reserved));
err = __copy_to_user((void *) arg, (const void *) &fix32, sizeof(fix32));
printk("fix : %lx %x %x %x %x %x %x %x %x %lx %x %x\n",
fix.smem_start, fix.smem_len,
fix.type, fix.type_aux, fix.visual,
fix.xpanstep, fix.ypanstep, fix.ywrapstep, fix.line_length,
fix.mmio_start, fix.mmio_len, fix.accel);
printk("fix32: %x %x %x %x %x %x %x %x %x %x %x %x\n",
fix32.smem_start, fix32.smem_len,
fix32.type, fix32.type_aux, fix32.visual,
fix32.xpanstep, fix32.ypanstep, fix32.ywrapstep, fix32.line_length,
fix32.mmio_start, fix32.mmio_len, fix32.accel);
break;
case FBIOGETCMAP:
err = __copy_to_user((char *)A(red), cmap.red, cmap.len * sizeof(__u16));
err |= __copy_to_user((char *)A(green), cmap.blue, cmap.len * sizeof(__u16));
err |= __copy_to_user((char *)A(blue), cmap.blue, cmap.len * sizeof(__u16));
if (cmap.transp)
err |= __copy_to_user((char *)A(transp), cmap.transp, cmap.len * sizeof(__u16));
break;
case FBIOPUTCMAP:
break;
}
if (err)
err = -EFAULT;
out: if (cmap.red) kfree(cmap.red);
if (cmap.green) kfree(cmap.green);
if (cmap.blue) kfree(cmap.blue);
if (cmap.transp) kfree(cmap.transp);
return err;
}
static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
unsigned long kval;
unsigned int *uvp;
int error;
set_fs(KERNEL_DS);
error = sys_ioctl(fd, cmd, (long)&kval);
set_fs(old_fs);
if(error == 0) {
uvp = (unsigned int *)arg;
if(put_user(kval, uvp))
error = -EFAULT;
}
return error;
}
struct floppy_struct32 {
unsigned int size;
unsigned int sect;
unsigned int head;
unsigned int track;
unsigned int stretch;
unsigned char gap;
unsigned char rate;
unsigned char spec1;
unsigned char fmt_gap;
const __kernel_caddr_t32 name;
};
struct floppy_drive_params32 {
char cmos;
u32 max_dtr;
u32 hlt;
u32 hut;
u32 srt;
u32 spinup;
u32 spindown;
unsigned char spindown_offset;
unsigned char select_delay;
unsigned char rps;
unsigned char tracks;
u32 timeout;
unsigned char interleave_sect;
struct floppy_max_errors max_errors;
char flags;
char read_track;
short autodetect[8];
int checkfreq;
int native_format;
};
struct floppy_drive_struct32 {
signed char flags;
u32 spinup_date;
u32 select_date;
u32 first_read_date;
short probed_format;
short track;
short maxblock;
short maxtrack;
int generation;
int keep_data;
int fd_ref;
int fd_device;
int last_checked;
__kernel_caddr_t32 dmabuf;
int bufblocks;
};
struct floppy_fdc_state32 {
int spec1;
int spec2;
int dtr;
unsigned char version;
unsigned char dor;
u32 address;
unsigned int rawcmd:2;
unsigned int reset:1;
unsigned int need_configure:1;
unsigned int perp_mode:2;
unsigned int has_fifo:1;
unsigned int driver_version;
unsigned char track[4];
};
struct floppy_write_errors32 {
unsigned int write_errors;
u32 first_error_sector;
int first_error_generation;
u32 last_error_sector;
int last_error_generation;
unsigned int badness;
};
#define FDSETPRM32 _IOW(2, 0x42, struct floppy_struct32)
#define FDDEFPRM32 _IOW(2, 0x43, struct floppy_struct32)
#define FDGETPRM32 _IOR(2, 0x04, struct floppy_struct32)
#define FDSETDRVPRM32 _IOW(2, 0x90, struct floppy_drive_params32)
#define FDGETDRVPRM32 _IOR(2, 0x11, struct floppy_drive_params32)
#define FDGETDRVSTAT32 _IOR(2, 0x12, struct floppy_drive_struct32)
#define FDPOLLDRVSTAT32 _IOR(2, 0x13, struct floppy_drive_struct32)
#define FDGETFDCSTAT32 _IOR(2, 0x15, struct floppy_fdc_state32)
#define FDWERRORGET32 _IOR(2, 0x17, struct floppy_write_errors32)
static struct {
unsigned int cmd32;
unsigned int cmd;
} fd_ioctl_trans_table[] = {
{ FDSETPRM32, FDSETPRM },
{ FDDEFPRM32, FDDEFPRM },
{ FDGETPRM32, FDGETPRM },
{ FDSETDRVPRM32, FDSETDRVPRM },
{ FDGETDRVPRM32, FDGETDRVPRM },
{ FDGETDRVSTAT32, FDGETDRVSTAT },
{ FDPOLLDRVSTAT32, FDPOLLDRVSTAT },
{ FDGETFDCSTAT32, FDGETFDCSTAT },
{ FDWERRORGET32, FDWERRORGET }
};
#define NR_FD_IOCTL_TRANS (sizeof(fd_ioctl_trans_table)/sizeof(fd_ioctl_trans_table[0]))
static int fd_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
void *karg = NULL;
unsigned int kcmd = 0;
int i, err;
for (i = 0; i < NR_FD_IOCTL_TRANS; i++)
if (cmd == fd_ioctl_trans_table[i].cmd32) {
kcmd = fd_ioctl_trans_table[i].cmd;
break;
}
if (!kcmd)
return -EINVAL;
switch (cmd) {
case FDSETPRM32:
case FDDEFPRM32:
case FDGETPRM32:
{
struct floppy_struct *f;
f = karg = kmalloc(sizeof(struct floppy_struct), GFP_KERNEL);
if (!karg)
return -ENOMEM;
if (cmd == FDGETPRM32)
break;
err = __get_user(f->size, &((struct floppy_struct32 *)arg)->size);
err |= __get_user(f->sect, &((struct floppy_struct32 *)arg)->sect);
err |= __get_user(f->head, &((struct floppy_struct32 *)arg)->head);
err |= __get_user(f->track, &((struct floppy_struct32 *)arg)->track);
err |= __get_user(f->stretch, &((struct floppy_struct32 *)arg)->stretch);
err |= __get_user(f->gap, &((struct floppy_struct32 *)arg)->gap);
err |= __get_user(f->rate, &((struct floppy_struct32 *)arg)->rate);
err |= __get_user(f->spec1, &((struct floppy_struct32 *)arg)->spec1);
err |= __get_user(f->fmt_gap, &((struct floppy_struct32 *)arg)->fmt_gap);
err |= __get_user((u64)f->name, &((struct floppy_struct32 *)arg)->name);
if (err) {
err = -EFAULT;
goto out;
}
break;
}
case FDSETDRVPRM32:
case FDGETDRVPRM32:
{
struct floppy_drive_params *f;
f = karg = kmalloc(sizeof(struct floppy_drive_params), GFP_KERNEL);
if (!karg)
return -ENOMEM;
if (cmd == FDGETDRVPRM32)
break;
err = __get_user(f->cmos, &((struct floppy_drive_params32 *)arg)->cmos);
err |= __get_user(f->max_dtr, &((struct floppy_drive_params32 *)arg)->max_dtr);
err |= __get_user(f->hlt, &((struct floppy_drive_params32 *)arg)->hlt);
err |= __get_user(f->hut, &((struct floppy_drive_params32 *)arg)->hut);
err |= __get_user(f->srt, &((struct floppy_drive_params32 *)arg)->srt);
err |= __get_user(f->spinup, &((struct floppy_drive_params32 *)arg)->spinup);
err |= __get_user(f->spindown, &((struct floppy_drive_params32 *)arg)->spindown);
err |= __get_user(f->spindown_offset, &((struct floppy_drive_params32 *)arg)->spindown_offset);
err |= __get_user(f->select_delay, &((struct floppy_drive_params32 *)arg)->select_delay);
err |= __get_user(f->rps, &((struct floppy_drive_params32 *)arg)->rps);
err |= __get_user(f->tracks, &((struct floppy_drive_params32 *)arg)->tracks);
err |= __get_user(f->timeout, &((struct floppy_drive_params32 *)arg)->timeout);
err |= __get_user(f->interleave_sect, &((struct floppy_drive_params32 *)arg)->interleave_sect);
err |= __copy_from_user(&f->max_errors, &((struct floppy_drive_params32 *)arg)->max_errors, sizeof(f->max_errors));
err |= __get_user(f->flags, &((struct floppy_drive_params32 *)arg)->flags);
err |= __get_user(f->read_track, &((struct floppy_drive_params32 *)arg)->read_track);
err |= __copy_from_user(f->autodetect, ((struct floppy_drive_params32 *)arg)->autodetect, sizeof(f->autodetect));
err |= __get_user(f->checkfreq, &((struct floppy_drive_params32 *)arg)->checkfreq);
err |= __get_user(f->native_format, &((struct floppy_drive_params32 *)arg)->native_format);
if (err) {
err = -EFAULT;
goto out;
}
break;
}
case FDGETDRVSTAT32:
case FDPOLLDRVSTAT32:
karg = kmalloc(sizeof(struct floppy_drive_struct), GFP_KERNEL);
if (!karg)
return -ENOMEM;
break;
case FDGETFDCSTAT32:
karg = kmalloc(sizeof(struct floppy_fdc_state), GFP_KERNEL);
if (!karg)
return -ENOMEM;
break;
case FDWERRORGET32:
karg = kmalloc(sizeof(struct floppy_write_errors), GFP_KERNEL);
if (!karg)
return -ENOMEM;
break;
default:
return -EINVAL;
}
set_fs (KERNEL_DS);
err = sys_ioctl (fd, kcmd, (unsigned long)karg);
set_fs (old_fs);
if (err)
goto out;
switch (cmd) {
case FDGETPRM32:
{
struct floppy_struct *f = karg;
err = __put_user(f->size, &((struct floppy_struct32 *)arg)->size);
err |= __put_user(f->sect, &((struct floppy_struct32 *)arg)->sect);
err |= __put_user(f->head, &((struct floppy_struct32 *)arg)->head);
err |= __put_user(f->track, &((struct floppy_struct32 *)arg)->track);
err |= __put_user(f->stretch, &((struct floppy_struct32 *)arg)->stretch);
err |= __put_user(f->gap, &((struct floppy_struct32 *)arg)->gap);
err |= __put_user(f->rate, &((struct floppy_struct32 *)arg)->rate);
err |= __put_user(f->spec1, &((struct floppy_struct32 *)arg)->spec1);
err |= __put_user(f->fmt_gap, &((struct floppy_struct32 *)arg)->fmt_gap);
err |= __put_user((u64)f->name, &((struct floppy_struct32 *)arg)->name);
break;
}
case FDGETDRVPRM32:
{
struct floppy_drive_params *f = karg;
err = __put_user(f->cmos, &((struct floppy_drive_params32 *)arg)->cmos);
err |= __put_user(f->max_dtr, &((struct floppy_drive_params32 *)arg)->max_dtr);
err |= __put_user(f->hlt, &((struct floppy_drive_params32 *)arg)->hlt);
err |= __put_user(f->hut, &((struct floppy_drive_params32 *)arg)->hut);
err |= __put_user(f->srt, &((struct floppy_drive_params32 *)arg)->srt);
err |= __put_user(f->spinup, &((struct floppy_drive_params32 *)arg)->spinup);
err |= __put_user(f->spindown, &((struct floppy_drive_params32 *)arg)->spindown);
err |= __put_user(f->spindown_offset, &((struct floppy_drive_params32 *)arg)->spindown_offset);
err |= __put_user(f->select_delay, &((struct floppy_drive_params32 *)arg)->select_delay);
err |= __put_user(f->rps, &((struct floppy_drive_params32 *)arg)->rps);
err |= __put_user(f->tracks, &((struct floppy_drive_params32 *)arg)->tracks);
err |= __put_user(f->timeout, &((struct floppy_drive_params32 *)arg)->timeout);
err |= __put_user(f->interleave_sect, &((struct floppy_drive_params32 *)arg)->interleave_sect);
err |= __copy_to_user(&((struct floppy_drive_params32 *)arg)->max_errors, &f->max_errors, sizeof(f->max_errors));
err |= __put_user(f->flags, &((struct floppy_drive_params32 *)arg)->flags);
err |= __put_user(f->read_track, &((struct floppy_drive_params32 *)arg)->read_track);
err |= __copy_to_user(((struct floppy_drive_params32 *)arg)->autodetect, f->autodetect, sizeof(f->autodetect));
err |= __put_user(f->checkfreq, &((struct floppy_drive_params32 *)arg)->checkfreq);
err |= __put_user(f->native_format, &((struct floppy_drive_params32 *)arg)->native_format);
break;
}
case FDGETDRVSTAT32:
case FDPOLLDRVSTAT32:
{
struct floppy_drive_struct *f = karg;
err = __put_user(f->flags, &((struct floppy_drive_struct32 *)arg)->flags);
err |= __put_user(f->spinup_date, &((struct floppy_drive_struct32 *)arg)->spinup_date);
err |= __put_user(f->select_date, &((struct floppy_drive_struct32 *)arg)->select_date);
err |= __put_user(f->first_read_date, &((struct floppy_drive_struct32 *)arg)->first_read_date);
err |= __put_user(f->probed_format, &((struct floppy_drive_struct32 *)arg)->probed_format);
err |= __put_user(f->track, &((struct floppy_drive_struct32 *)arg)->track);
err |= __put_user(f->maxblock, &((struct floppy_drive_struct32 *)arg)->maxblock);
err |= __put_user(f->maxtrack, &((struct floppy_drive_struct32 *)arg)->maxtrack);
err |= __put_user(f->generation, &((struct floppy_drive_struct32 *)arg)->generation);
err |= __put_user(f->keep_data, &((struct floppy_drive_struct32 *)arg)->keep_data);
err |= __put_user(f->fd_ref, &((struct floppy_drive_struct32 *)arg)->fd_ref);
err |= __put_user(f->fd_device, &((struct floppy_drive_struct32 *)arg)->fd_device);
err |= __put_user(f->last_checked, &((struct floppy_drive_struct32 *)arg)->last_checked);
err |= __put_user((u64)f->dmabuf, &((struct floppy_drive_struct32 *)arg)->dmabuf);
err |= __put_user((u64)f->bufblocks, &((struct floppy_drive_struct32 *)arg)->bufblocks);
break;
}
case FDGETFDCSTAT32:
{
struct floppy_fdc_state *f = karg;
err = __put_user(f->spec1, &((struct floppy_fdc_state32 *)arg)->spec1);
err |= __put_user(f->spec2, &((struct floppy_fdc_state32 *)arg)->spec2);
err |= __put_user(f->dtr, &((struct floppy_fdc_state32 *)arg)->dtr);
err |= __put_user(f->version, &((struct floppy_fdc_state32 *)arg)->version);
err |= __put_user(f->dor, &((struct floppy_fdc_state32 *)arg)->dor);
err |= __put_user(f->address, &((struct floppy_fdc_state32 *)arg)->address);
err |= __copy_to_user((char *)&((struct floppy_fdc_state32 *)arg)->address
+ sizeof(((struct floppy_fdc_state32 *)arg)->address),
(char *)&f->address + sizeof(f->address), sizeof(int));
err |= __put_user(f->driver_version, &((struct floppy_fdc_state32 *)arg)->driver_version);
err |= __copy_to_user(((struct floppy_fdc_state32 *)arg)->track, f->track, sizeof(f->track));
break;
}
case FDWERRORGET32:
{
struct floppy_write_errors *f = karg;
err = __put_user(f->write_errors, &((struct floppy_write_errors32 *)arg)->write_errors);
err |= __put_user(f->first_error_sector, &((struct floppy_write_errors32 *)arg)->first_error_sector);
err |= __put_user(f->first_error_generation, &((struct floppy_write_errors32 *)arg)->first_error_generation);
err |= __put_user(f->last_error_sector, &((struct floppy_write_errors32 *)arg)->last_error_sector);
err |= __put_user(f->last_error_generation, &((struct floppy_write_errors32 *)arg)->last_error_generation);
err |= __put_user(f->badness, &((struct floppy_write_errors32 *)arg)->badness);
break;
}
default:
break;
}
if (err)
err = -EFAULT;
out: if (karg) kfree(karg);
return err;
}
struct ppp_option_data32 {
__kernel_caddr_t32 ptr;
__u32 length;
int transmit;
};
#define PPPIOCSCOMPRESS32 _IOW('t', 77, struct ppp_option_data32)
struct ppp_idle32 {
__kernel_time_t32 xmit_idle;
__kernel_time_t32 recv_idle;
};
#define PPPIOCGIDLE32 _IOR('t', 63, struct ppp_idle32)
static int ppp_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
struct ppp_option_data32 data32;
struct ppp_option_data data;
struct ppp_idle32 idle32;
struct ppp_idle idle;
unsigned int kcmd;
void *karg;
int err = 0;
switch (cmd) {
case PPPIOCGIDLE32:
kcmd = PPPIOCGIDLE;
karg = &idle;
break;
case PPPIOCSCOMPRESS32:
if (copy_from_user(&data32, (struct ppp_option_data32 *)arg, sizeof(struct ppp_option_data32)))
return -EFAULT;
data.ptr = kmalloc (data32.length, GFP_KERNEL);
if (!data.ptr)
return -ENOMEM;
if (copy_from_user(data.ptr, (__u8 *)A(data32.ptr), data32.length)) {
kfree(data.ptr);
return -EFAULT;
}
data.length = data32.length;
data.transmit = data32.transmit;
kcmd = PPPIOCSCOMPRESS;
karg = &data;
break;
default:
do {
static int count = 0;
if (++count <= 20)
printk(KERN_WARNING
"ppp_ioctl: Unknown cmd fd(%d) "
"cmd(%08x) arg(%08x)\n",
(int)fd, (unsigned int)cmd, (unsigned int)arg);
} while(0);
return -EINVAL;
}
set_fs (KERNEL_DS);
err = sys_ioctl (fd, kcmd, (unsigned long)karg);
set_fs (old_fs);
switch (cmd) {
case PPPIOCGIDLE32:
if (err)
return err;
idle32.xmit_idle = idle.xmit_idle;
idle32.recv_idle = idle.recv_idle;
if (copy_to_user((struct ppp_idle32 *)arg, &idle32, sizeof(struct ppp_idle32)))
return -EFAULT;
break;
case PPPIOCSCOMPRESS32:
kfree(data.ptr);
break;
default:
break;
}
return err;
}
struct mtget32 {
__u32 mt_type;
__u32 mt_resid;
__u32 mt_dsreg;
__u32 mt_gstat;
__u32 mt_erreg;
__kernel_daddr_t32 mt_fileno;
__kernel_daddr_t32 mt_blkno;
};
#define MTIOCGET32 _IOR('m', 2, struct mtget32)
struct mtpos32 {
__u32 mt_blkno;
};
#define MTIOCPOS32 _IOR('m', 3, struct mtpos32)
struct mtconfiginfo32 {
__u32 mt_type;
__u32 ifc_type;
__u16 irqnr;
__u16 dmanr;
__u16 port;
__u32 debug;
__u32 have_dens:1;
__u32 have_bsf:1;
__u32 have_fsr:1;
__u32 have_bsr:1;
__u32 have_eod:1;
__u32 have_seek:1;
__u32 have_tell:1;
__u32 have_ras1:1;
__u32 have_ras2:1;
__u32 have_ras3:1;
__u32 have_qfa:1;
__u32 pad1:5;
char reserved[10];
};
#define MTIOCGETCONFIG32 _IOR('m', 4, struct mtconfiginfo32)
#define MTIOCSETCONFIG32 _IOW('m', 5, struct mtconfiginfo32)
static int mt_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
struct mtconfiginfo info;
struct mtget get;
struct mtpos pos;
unsigned long kcmd;
void *karg;
int err = 0;
switch(cmd) {
case MTIOCPOS32:
kcmd = MTIOCPOS;
karg = &pos;
break;
case MTIOCGET32:
kcmd = MTIOCGET;
karg = &get;
break;
case MTIOCGETCONFIG32:
kcmd = MTIOCGETCONFIG;
karg = &info;
break;
case MTIOCSETCONFIG32:
kcmd = MTIOCSETCONFIG;
karg = &info;
err = __get_user(info.mt_type, &((struct mtconfiginfo32 *)arg)->mt_type);
err |= __get_user(info.ifc_type, &((struct mtconfiginfo32 *)arg)->ifc_type);
err |= __get_user(info.irqnr, &((struct mtconfiginfo32 *)arg)->irqnr);
err |= __get_user(info.dmanr, &((struct mtconfiginfo32 *)arg)->dmanr);
err |= __get_user(info.port, &((struct mtconfiginfo32 *)arg)->port);
err |= __get_user(info.debug, &((struct mtconfiginfo32 *)arg)->debug);
err |= __copy_from_user((char *)&info.debug + sizeof(info.debug),
(char *)&((struct mtconfiginfo32 *)arg)->debug
+ sizeof(((struct mtconfiginfo32 *)arg)->debug), sizeof(__u32));
if (err)
return -EFAULT;
break;
default:
do {
static int count = 0;
if (++count <= 20)
printk(KERN_WARNING
"mt_ioctl: Unknown cmd fd(%d) "
"cmd(%08x) arg(%08x)\n",
(int)fd, (unsigned int)cmd, (unsigned int)arg);
} while(0);
return -EINVAL;
}
set_fs (KERNEL_DS);
err = sys_ioctl (fd, kcmd, (unsigned long)karg);
set_fs (old_fs);
if (err)
return err;
switch (cmd) {
case MTIOCPOS32:
err = __put_user(pos.mt_blkno, &((struct mtpos32 *)arg)->mt_blkno);
break;
case MTIOCGET32:
err = __put_user(get.mt_type, &((struct mtget32 *)arg)->mt_type);
err |= __put_user(get.mt_resid, &((struct mtget32 *)arg)->mt_resid);
err |= __put_user(get.mt_dsreg, &((struct mtget32 *)arg)->mt_dsreg);
err |= __put_user(get.mt_gstat, &((struct mtget32 *)arg)->mt_gstat);
err |= __put_user(get.mt_erreg, &((struct mtget32 *)arg)->mt_erreg);
err |= __put_user(get.mt_fileno, &((struct mtget32 *)arg)->mt_fileno);
err |= __put_user(get.mt_blkno, &((struct mtget32 *)arg)->mt_blkno);
break;
case MTIOCGETCONFIG32:
err = __put_user(info.mt_type, &((struct mtconfiginfo32 *)arg)->mt_type);
err |= __put_user(info.ifc_type, &((struct mtconfiginfo32 *)arg)->ifc_type);
err |= __put_user(info.irqnr, &((struct mtconfiginfo32 *)arg)->irqnr);
err |= __put_user(info.dmanr, &((struct mtconfiginfo32 *)arg)->dmanr);
err |= __put_user(info.port, &((struct mtconfiginfo32 *)arg)->port);
err |= __put_user(info.debug, &((struct mtconfiginfo32 *)arg)->debug);
err |= __copy_to_user((char *)&((struct mtconfiginfo32 *)arg)->debug
+ sizeof(((struct mtconfiginfo32 *)arg)->debug),
(char *)&info.debug + sizeof(info.debug), sizeof(__u32));
break;
case MTIOCSETCONFIG32:
break;
}
return err ? -EFAULT: 0;
}
struct cdrom_read32 {
int cdread_lba;
__kernel_caddr_t32 cdread_bufaddr;
int cdread_buflen;
};
struct cdrom_read_audio32 {
union cdrom_addr addr;
u_char addr_format;
int nframes;
__kernel_caddr_t32 buf;
};
struct cdrom_generic_command32 {
unsigned char cmd[CDROM_PACKET_SIZE];
__kernel_caddr_t32 buffer;
unsigned int buflen;
int stat;
__kernel_caddr_t32 sense;
__kernel_caddr_t32 reserved[3];
};
static int cdrom_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
struct cdrom_read cdread;
struct cdrom_read_audio cdreadaudio;
struct cdrom_generic_command cgc;
__kernel_caddr_t32 addr;
char *data = 0;
void *karg;
int err = 0;
switch(cmd) {
case CDROMREADMODE2:
case CDROMREADMODE1:
case CDROMREADRAW:
case CDROMREADCOOKED:
karg = &cdread;
err = __get_user(cdread.cdread_lba, &((struct cdrom_read32 *)arg)->cdread_lba);
err |= __get_user(addr, &((struct cdrom_read32 *)arg)->cdread_bufaddr);
err |= __get_user(cdread.cdread_buflen, &((struct cdrom_read32 *)arg)->cdread_buflen);
if (err)
return -EFAULT;
data = kmalloc(cdread.cdread_buflen, GFP_KERNEL);
if (!data)
return -ENOMEM;
cdread.cdread_bufaddr = data;
break;
case CDROMREADAUDIO:
karg = &cdreadaudio;
err = copy_from_user(&cdreadaudio.addr, &((struct cdrom_read_audio32 *)arg)->addr, sizeof(cdreadaudio.addr));
err |= __get_user(cdreadaudio.addr_format, &((struct cdrom_read_audio32 *)arg)->addr_format);
err |= __get_user(cdreadaudio.nframes, &((struct cdrom_read_audio32 *)arg)->nframes);
err |= __get_user(addr, &((struct cdrom_read_audio32 *)arg)->buf);
if (err)
return -EFAULT;
data = kmalloc(cdreadaudio.nframes * 2352, GFP_KERNEL);
if (!data)
return -ENOMEM;
cdreadaudio.buf = data;
break;
case CDROM_SEND_PACKET:
karg = &cgc;
err = copy_from_user(cgc.cmd, &((struct cdrom_generic_command32 *)arg)->cmd, sizeof(cgc.cmd));
err |= __get_user(addr, &((struct cdrom_generic_command32 *)arg)->buffer);
err |= __get_user(cgc.buflen, &((struct cdrom_generic_command32 *)arg)->buflen);
if (err)
return -EFAULT;
if ((data = kmalloc(cgc.buflen, GFP_KERNEL)) == NULL)
return -ENOMEM;
cgc.buffer = data;
break;
default:
do {
static int count = 0;
if (++count <= 20)
printk(KERN_WARNING
"cdrom_ioctl: Unknown cmd fd(%d) "
"cmd(%08x) arg(%08x)\n",
(int)fd, (unsigned int)cmd, (unsigned int)arg);
} while(0);
return -EINVAL;
}
set_fs (KERNEL_DS);
err = sys_ioctl (fd, cmd, (unsigned long)karg);
set_fs (old_fs);
if (err)
goto out;
switch (cmd) {
case CDROMREADMODE2:
case CDROMREADMODE1:
case CDROMREADRAW:
case CDROMREADCOOKED:
err = copy_to_user((char *)A(addr), data, cdread.cdread_buflen);
break;
case CDROMREADAUDIO:
err = copy_to_user((char *)A(addr), data, cdreadaudio.nframes * 2352);
break;
case CDROM_SEND_PACKET:
err = copy_to_user((char *)A(addr), data, cgc.buflen);
break;
default:
break;
}
out: if (data)
kfree(data);
return err ? -EFAULT : 0;
}
struct loop_info32 {
int lo_number; /* ioctl r/o */
__kernel_dev_t32 lo_device; /* ioctl r/o */
unsigned int lo_inode; /* ioctl r/o */
__kernel_dev_t32 lo_rdevice; /* ioctl r/o */
int lo_offset;
int lo_encrypt_type;
int lo_encrypt_key_size; /* ioctl w/o */
int lo_flags; /* ioctl r/o */
char lo_name[LO_NAME_SIZE];
unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
unsigned int lo_init[2];
char reserved[4];
};
static int loop_status(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
struct loop_info l;
int err = -EINVAL;
switch(cmd) {
case LOOP_SET_STATUS:
err = get_user(l.lo_number, &((struct loop_info32 *)arg)->lo_number);
err |= __get_user(l.lo_device, &((struct loop_info32 *)arg)->lo_device);
err |= __get_user(l.lo_inode, &((struct loop_info32 *)arg)->lo_inode);
err |= __get_user(l.lo_rdevice, &((struct loop_info32 *)arg)->lo_rdevice);
err |= __copy_from_user((char *)&l.lo_offset, (char *)&((struct loop_info32 *)arg)->lo_offset,
8 + (unsigned long)l.lo_init - (unsigned long)&l.lo_offset);
if (err) {
err = -EFAULT;
} else {
set_fs (KERNEL_DS);
err = sys_ioctl (fd, cmd, (unsigned long)&l);
set_fs (old_fs);
}
break;
case LOOP_GET_STATUS:
set_fs (KERNEL_DS);
err = sys_ioctl (fd, cmd, (unsigned long)&l);
set_fs (old_fs);
if (!err) {
err = put_user(l.lo_number, &((struct loop_info32 *)arg)->lo_number);
err |= __put_user(l.lo_device, &((struct loop_info32 *)arg)->lo_device);
err |= __put_user(l.lo_inode, &((struct loop_info32 *)arg)->lo_inode);
err |= __put_user(l.lo_rdevice, &((struct loop_info32 *)arg)->lo_rdevice);
err |= __copy_to_user((char *)&((struct loop_info32 *)arg)->lo_offset,
(char *)&l.lo_offset, (unsigned long)l.lo_init - (unsigned long)&l.lo_offset);
if (err)
err = -EFAULT;
}
break;
default: {
static int count = 0;
if (++count <= 20)
printk(KERN_WARNING
"%s: Unknown loop ioctl cmd, fd(%d) "
"cmd(%08x) arg(%08lx)\n",
__FUNCTION__, fd, cmd, arg);
}
}
return err;
}
#ifdef CONFIG_VT
extern int tty_ioctl(struct inode * inode, struct file * file, unsigned int cmd, unsigned long arg);
static int vt_check(struct file *file)
{
struct tty_struct *tty;
struct inode *inode = file->f_dentry->d_inode;
if (file->f_op->ioctl != tty_ioctl)
return -EINVAL;
tty = (struct tty_struct *)file->private_data;
if (tty_paranoia_check(tty, inode->i_rdev, "tty_ioctl"))
return -EINVAL;
if (tty->driver.ioctl != vt_ioctl)
return -EINVAL;
/*
* To have permissions to do most of the vt ioctls, we either have
* to be the owner of the tty, or super-user.
*/
if (current->tty == tty || suser())
return 1;
return 0;
}
struct consolefontdesc32 {
unsigned short charcount; /* characters in font (256 or 512) */
unsigned short charheight; /* scan lines per character (1-32) */
u32 chardata; /* font data in expanded form */
};
static int do_fontx_ioctl(unsigned int fd, int cmd, struct consolefontdesc32 *user_cfd, struct file *file)
{
struct consolefontdesc cfdarg;
struct console_font_op op;
int i, perm;
perm = vt_check(file);
if (perm < 0) return perm;
if (copy_from_user(&cfdarg, user_cfd, sizeof(struct consolefontdesc32)))
return -EFAULT;
cfdarg.chardata = (unsigned char *)A(((struct consolefontdesc32 *)&cfdarg)->chardata);
switch (cmd) {
case PIO_FONTX:
if (!perm)
return -EPERM;
op.op = KD_FONT_OP_SET;
op.flags = 0;
op.width = 8;
op.height = cfdarg.charheight;
op.charcount = cfdarg.charcount;
op.data = cfdarg.chardata;
return con_font_op(fg_console, &op);
case GIO_FONTX:
if (!cfdarg.chardata)
return 0;
op.op = KD_FONT_OP_GET;
op.flags = 0;
op.width = 8;
op.height = cfdarg.charheight;
op.charcount = cfdarg.charcount;
op.data = cfdarg.chardata;
i = con_font_op(fg_console, &op);
if (i)
return i;
cfdarg.charheight = op.height;
cfdarg.charcount = op.charcount;
((struct consolefontdesc32 *)&cfdarg)->chardata = (unsigned long)cfdarg.chardata;
if (copy_to_user(user_cfd, &cfdarg, sizeof(struct consolefontdesc32)))
return -EFAULT;
return 0;
}
return -EINVAL;
}
struct console_font_op32 {
unsigned int op; /* operation code KD_FONT_OP_* */
unsigned int flags; /* KD_FONT_FLAG_* */
unsigned int width, height; /* font size */
unsigned int charcount;
u32 data; /* font data with height fixed to 32 */
};
static int do_kdfontop_ioctl(unsigned int fd, unsigned int cmd, struct console_font_op32 *fontop, struct file *file)
{
struct console_font_op op;
int perm = vt_check(file), i;
struct vt_struct *vt;
if (perm < 0) return perm;
if (copy_from_user(&op, (void *) fontop, sizeof(struct console_font_op32)))
return -EFAULT;
if (!perm && op.op != KD_FONT_OP_GET)
return -EPERM;
op.data = (unsigned char *)A(((struct console_font_op32 *)&op)->data);
op.flags |= KD_FONT_FLAG_OLD;
vt = (struct vt_struct *)((struct tty_struct *)file->private_data)->driver_data;
i = con_font_op(vt->vc_num, &op);
if (i) return i;
((struct console_font_op32 *)&op)->data = (unsigned long)op.data;
if (copy_to_user((void *) fontop, &op, sizeof(struct console_font_op32)))
return -EFAULT;
return 0;
}
struct unimapdesc32 {
unsigned short entry_ct;
u32 entries;
};
static int do_unimap_ioctl(unsigned int fd, unsigned int cmd, struct unimapdesc32 *user_ud, struct file *file)
{
struct unimapdesc32 tmp;
int perm = vt_check(file);
if (perm < 0) return perm;
if (copy_from_user(&tmp, user_ud, sizeof tmp))
return -EFAULT;
switch (cmd) {
case PIO_UNIMAP:
if (!perm) return -EPERM;
return con_set_unimap(fg_console, tmp.entry_ct, (struct unipair *)A(tmp.entries));
case GIO_UNIMAP:
return con_get_unimap(fg_console, tmp.entry_ct, &(user_ud->entry_ct), (struct unipair *)A(tmp.entries));
}
return 0;
}
#endif
#if 0
static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long arg)
{
mm_segment_t old_fs = get_fs();
__kernel_uid_t kuid;
int err;
cmd = SMB_IOC_GETMOUNTUID;
set_fs(KERNEL_DS);
err = sys_ioctl(fd, cmd, (unsigned long)&kuid);
set_fs(old_fs);
if (err >= 0)
err = put_user(kuid, (__kernel_uid_t32 *)arg);
return err;
}
#endif
struct atmif_sioc32 {
int number;
int length;
__kernel_caddr_t32 arg;
};
struct atm_iobuf32 {
int length;
__kernel_caddr_t32 buffer;
};
#define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
#define ATM_GETNAMES32 _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
#define ATM_GETTYPE32 _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
#define ATM_GETESI32 _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
#define ATM_GETADDR32 _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
#define ATM_RSTADDR32 _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
#define ATM_ADDADDR32 _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
#define ATM_DELADDR32 _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
#define ATM_GETCIRANGE32 _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
#define ATM_SETCIRANGE32 _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
#define ATM_SETESI32 _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
#define ATM_SETESIF32 _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
#define ATM_GETSTAT32 _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
#define ATM_GETSTATZ32 _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
#define ATM_GETLOOP32 _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
#define ATM_SETLOOP32 _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
#define ATM_QUERYLOOP32 _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
static struct {
unsigned int cmd32;
unsigned int cmd;
} atm_ioctl_map[] = {
{ ATM_GETLINKRATE32, ATM_GETLINKRATE },
{ ATM_GETNAMES32, ATM_GETNAMES },
{ ATM_GETTYPE32, ATM_GETTYPE },
{ ATM_GETESI32, ATM_GETESI },
{ ATM_GETADDR32, ATM_GETADDR },
{ ATM_RSTADDR32, ATM_RSTADDR },
{ ATM_ADDADDR32, ATM_ADDADDR },
{ ATM_DELADDR32, ATM_DELADDR },
{ ATM_GETCIRANGE32, ATM_GETCIRANGE },
{ ATM_SETCIRANGE32, ATM_SETCIRANGE },
{ ATM_SETESI32, ATM_SETESI },
{ ATM_SETESIF32, ATM_SETESIF },
{ ATM_GETSTAT32, ATM_GETSTAT },
{ ATM_GETSTATZ32, ATM_GETSTATZ },
{ ATM_GETLOOP32, ATM_GETLOOP },
{ ATM_SETLOOP32, ATM_SETLOOP },
{ ATM_QUERYLOOP32, ATM_QUERYLOOP }
};
#define NR_ATM_IOCTL (sizeof(atm_ioctl_map)/sizeof(atm_ioctl_map[0]))
static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct atm_iobuf32 iobuf32;
struct atm_iobuf iobuf = { 0, NULL };
mm_segment_t old_fs;
int err;
err = copy_from_user(&iobuf32, (struct atm_iobuf32*)arg,
sizeof(struct atm_iobuf32));
if (err)
return -EFAULT;
iobuf.length = iobuf32.length;
if (iobuf32.buffer == (__kernel_caddr_t32) NULL || iobuf32.length == 0) {
iobuf.buffer = (void*)(unsigned long)iobuf32.buffer;
} else {
iobuf.buffer = kmalloc(iobuf.length, GFP_KERNEL);
if (iobuf.buffer == NULL) {
err = -ENOMEM;
goto out;
}
err = copy_from_user(iobuf.buffer, A(iobuf32.buffer), iobuf.length);
if (err) {
err = -EFAULT;
goto out;
}
}
old_fs = get_fs(); set_fs (KERNEL_DS);
err = sys_ioctl (fd, cmd, (unsigned long)&iobuf);
set_fs (old_fs);
if(err)
goto out;
if(iobuf.buffer && iobuf.length > 0) {
err = copy_to_user(A(iobuf32.buffer), iobuf.buffer, iobuf.length);
if (err) {
err = -EFAULT;
goto out;
}
}
err = __put_user(iobuf.length, &(((struct atm_iobuf32*)arg)->length));
out:
if(iobuf32.buffer && iobuf32.length > 0)
kfree(iobuf.buffer);
return err;
}
static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct atmif_sioc32 sioc32;
struct atmif_sioc sioc = { 0, 0, NULL };
mm_segment_t old_fs;
int err;
err = copy_from_user(&sioc32, (struct atmif_sioc32*)arg,
sizeof(struct atmif_sioc32));
if (err)
return -EFAULT;
sioc.number = sioc32.number;
sioc.length = sioc32.length;
if (sioc32.arg == (__kernel_caddr_t32) NULL || sioc32.length == 0) {
sioc.arg = (void*)(unsigned long)sioc32.arg;
} else {
sioc.arg = kmalloc(sioc.length, GFP_KERNEL);
if (sioc.arg == NULL) {
err = -ENOMEM;
goto out;
}
err = copy_from_user(sioc.arg, A(sioc32.arg), sioc32.length);
if (err) {
err = -EFAULT;
goto out;
}
}
old_fs = get_fs(); set_fs (KERNEL_DS);
err = sys_ioctl (fd, cmd, (unsigned long)&sioc);
set_fs (old_fs);
if(err) {
goto out;
}
if(sioc.arg && sioc.length > 0) {
err = copy_to_user(A(sioc32.arg), sioc.arg, sioc.length);
if (err) {
err = -EFAULT;
goto out;
}
}
err = __put_user(sioc.length, &(((struct atmif_sioc32*)arg)->length));
out:
if(sioc32.arg && sioc32.length > 0)
kfree(sioc.arg);
return err;
}
static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
{
int i;
unsigned int cmd = 0;
switch (cmd32) {
case SONET_GETSTAT:
case SONET_GETSTATZ:
case SONET_GETDIAG:
case SONET_SETDIAG:
case SONET_CLRDIAG:
case SONET_SETFRAMING:
case SONET_GETFRAMING:
case SONET_GETFRSENSE:
return do_atmif_sioc(fd, cmd32, arg);
}
for (i = 0; i < NR_ATM_IOCTL; i++) {
if (cmd32 == atm_ioctl_map[i].cmd32) {
cmd = atm_ioctl_map[i].cmd;
break;
}
}
if (i == NR_ATM_IOCTL) {
return -EINVAL;
}
switch (cmd) {
case ATM_GETNAMES:
return do_atm_iobuf(fd, cmd, arg);
case ATM_GETLINKRATE:
case ATM_GETTYPE:
case ATM_GETESI:
case ATM_GETADDR:
case ATM_RSTADDR:
case ATM_ADDADDR:
case ATM_DELADDR:
case ATM_GETCIRANGE:
case ATM_SETCIRANGE:
case ATM_SETESI:
case ATM_SETESIF:
case ATM_GETSTAT:
case ATM_GETSTATZ:
case ATM_GETLOOP:
case ATM_SETLOOP:
case ATM_QUERYLOOP:
return do_atmif_sioc(fd, cmd, arg);
}
return -EINVAL;
}
#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE)
/* Ugh, LVM. Pitty it was not cleaned up before accepted :((. */
typedef struct {
uint8_t vg_name[NAME_LEN];
uint32_t vg_number;
uint32_t vg_access;
uint32_t vg_status;
uint32_t lv_max;
uint32_t lv_cur;
uint32_t lv_open;
uint32_t pv_max;
uint32_t pv_cur;
uint32_t pv_act;
uint32_t dummy;
uint32_t vgda;
uint32_t pe_size;
uint32_t pe_total;
uint32_t pe_allocated;
uint32_t pvg_total;
u32 proc;
u32 pv[ABS_MAX_PV + 1];
u32 lv[ABS_MAX_LV + 1];
uint8_t vg_uuid[UUID_LEN+1]; /* volume group UUID */
uint8_t dummy1[200];
} vg32_t;
typedef struct {
uint8_t id[2];
uint16_t version;
lvm_disk_data_t pv_on_disk;
lvm_disk_data_t vg_on_disk;
lvm_disk_data_t pv_namelist_on_disk;
lvm_disk_data_t lv_on_disk;
lvm_disk_data_t pe_on_disk;
uint8_t pv_name[NAME_LEN];
uint8_t vg_name[NAME_LEN];
uint8_t system_id[NAME_LEN];
kdev_t pv_dev;
uint32_t pv_number;
uint32_t pv_status;
uint32_t pv_allocatable;
uint32_t pv_size;
uint32_t lv_cur;
uint32_t pe_size;
uint32_t pe_total;
uint32_t pe_allocated;
uint32_t pe_stale;
u32 pe;
u32 inode;
uint8_t pv_uuid[UUID_LEN+1];
} pv32_t;
typedef struct {
char lv_name[NAME_LEN];
u32 lv;
} lv_req32_t;
typedef struct {
u32 lv_index;
u32 lv;
/* Transfer size because user space and kernel space differ */
uint16_t size;
} lv_status_byindex_req32_t;
typedef struct {
__kernel_dev_t32 dev;
u32 lv;
} lv_status_bydev_req32_t;
typedef struct {
uint8_t lv_name[NAME_LEN];
kdev_t old_dev;
kdev_t new_dev;
u32 old_pe;
u32 new_pe;
} le_remap_req32_t;
typedef struct {
char pv_name[NAME_LEN];
u32 pv;
} pv_status_req32_t;
typedef struct {
uint8_t lv_name[NAME_LEN];
uint8_t vg_name[NAME_LEN];
uint32_t lv_access;
uint32_t lv_status;
uint32_t lv_open;
kdev_t lv_dev;
uint32_t lv_number;
uint32_t lv_mirror_copies;
uint32_t lv_recovery;
uint32_t lv_schedule;
uint32_t lv_size;
u32 lv_current_pe;
uint32_t lv_current_le;
uint32_t lv_allocated_le;
uint32_t lv_stripes;
uint32_t lv_stripesize;
uint32_t lv_badblock;
uint32_t lv_allocation;
uint32_t lv_io_timeout;
uint32_t lv_read_ahead;
/* delta to version 1 starts here */
u32 lv_snapshot_org;
u32 lv_snapshot_prev;
u32 lv_snapshot_next;
u32 lv_block_exception;
uint32_t lv_remap_ptr;
uint32_t lv_remap_end;
uint32_t lv_chunk_size;
uint32_t lv_snapshot_minor;
char dummy[200];
} lv32_t;
typedef struct {
u32 hash[2];
u32 rsector_org;
kdev_t rdev_org;
u32 rsector_new;
kdev_t rdev_new;
} lv_block_exception32_t;
static void put_lv_t(lv_t *l)
{
if (l->lv_current_pe) vfree(l->lv_current_pe);
if (l->lv_block_exception) vfree(l->lv_block_exception);
kfree(l);
}
static lv_t *get_lv_t(u32 p, int *errp)
{
int err, i;
u32 ptr1, ptr2;
size_t size;
lv_block_exception32_t *lbe32;
lv_block_exception_t *lbe;
lv32_t *ul = (lv32_t *)A(p);
lv_t *l = (lv_t *) kmalloc(sizeof(lv_t), GFP_KERNEL);
if (!l) {
*errp = -ENOMEM;
return NULL;
}
memset(l, 0, sizeof(lv_t));
err = copy_from_user(l, ul, (long)&((lv32_t *)0)->lv_current_pe);
err |= __copy_from_user(&l->lv_current_le, &ul->lv_current_le,
((long)&ul->lv_snapshot_org) - ((long)&ul->lv_current_le));
err |= __copy_from_user(&l->lv_remap_ptr, &ul->lv_remap_ptr,
((long)&ul->dummy[0]) - ((long)&ul->lv_remap_ptr));
err |= __get_user(ptr1, &ul->lv_current_pe);
err |= __get_user(ptr2, &ul->lv_block_exception);
if (err) {
kfree(l);
*errp = -EFAULT;
return NULL;
}
if (ptr1) {
size = l->lv_allocated_le * sizeof(pe_t);
l->lv_current_pe = vmalloc(size);
if (l->lv_current_pe)
err = copy_from_user(l->lv_current_pe, (void *)A(ptr1), size);
}
if (!err && ptr2) {
size = l->lv_remap_end * sizeof(lv_block_exception_t);
l->lv_block_exception = lbe = vmalloc(size);
if (l->lv_block_exception) {
lbe32 = (lv_block_exception32_t *)A(ptr2);
memset(lbe, 0, size);
for (i = 0; i < l->lv_remap_end; i++, lbe++, lbe32++) {
err |= get_user(lbe->rsector_org, &lbe32->rsector_org);
err |= __get_user(lbe->rdev_org, &lbe32->rdev_org);
err |= __get_user(lbe->rsector_new, &lbe32->rsector_new);
err |= __get_user(lbe->rdev_new, &lbe32->rdev_new);
}
}
}
if (err || (ptr1 && !l->lv_current_pe) || (ptr2 && !l->lv_block_exception)) {
if (!err)
*errp = -ENOMEM;
else
*errp = -EFAULT;
put_lv_t(l);
return NULL;
}
return l;
}
static int copy_lv_t(u32 ptr, lv_t *l)
{
int err;
lv32_t *ul = (lv32_t *)A(ptr);
u32 ptr1;
size_t size;
err = get_user(ptr1, &ul->lv_current_pe);
if (err)
return -EFAULT;
err = copy_to_user(ul, l, (long)&((lv32_t *)0)->lv_current_pe);
err |= __copy_to_user(&ul->lv_current_le, &l->lv_current_le,
((long)&ul->lv_snapshot_org) - ((long)&ul->lv_current_le));
err |= __copy_to_user(&ul->lv_remap_ptr, &l->lv_remap_ptr,
((long)&ul->dummy[0]) - ((long)&ul->lv_remap_ptr));
size = l->lv_allocated_le * sizeof(pe_t);
if (ptr1)
err |= __copy_to_user((void *)A(ptr1), l->lv_current_pe, size);
return err ? -EFAULT : 0;
}
static int do_lvm_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
vg_t *v = NULL;
union {
lv_req_t lv_req;
le_remap_req_t le_remap;
lv_status_byindex_req_t lv_byindex;
lv_status_bydev_req_t lv_bydev;
pv_status_req_t pv_status;
} u;
pv_t p;
int err;
u32 ptr = 0;
int i;
mm_segment_t old_fs;
void *karg = &u;
switch (cmd) {
case VG_STATUS:
v = kmalloc(sizeof(vg_t), GFP_KERNEL);
if (!v)
return -ENOMEM;
karg = v;
break;
case VG_CREATE_OLD:
case VG_CREATE:
v = kmalloc(sizeof(vg_t), GFP_KERNEL);
if (!v)
return -ENOMEM;
if (copy_from_user(v, (void *)arg, (long)&((vg32_t *)0)->proc)) {
kfree(v);
return -EFAULT;
}
/* 'proc' field is unused, just NULL it out. */
v->proc = NULL;
if (copy_from_user(v->vg_uuid, ((vg32_t *)arg)->vg_uuid, UUID_LEN+1)) {
kfree(v);
return -EFAULT;
}
karg = v;
memset(v->pv, 0, sizeof(v->pv) + sizeof(v->lv));
if (v->pv_max > ABS_MAX_PV || v->lv_max > ABS_MAX_LV)
return -EPERM;
for (i = 0; i < v->pv_max; i++) {
err = __get_user(ptr, &((vg32_t *)arg)->pv[i]);
if (err)
break;
if (ptr) {
v->pv[i] = kmalloc(sizeof(pv_t), GFP_KERNEL);
if (!v->pv[i]) {
err = -ENOMEM;
break;
}
err = copy_from_user(v->pv[i], (void *)A(ptr),
sizeof(pv32_t) - 8 - UUID_LEN+1);
if (err) {
err = -EFAULT;
break;
}
err = copy_from_user(v->pv[i]->pv_uuid,
((pv32_t *)A(ptr))->pv_uuid,
UUID_LEN+1);
if (err) {
err = -EFAULT;
break;
}
v->pv[i]->pe = NULL;
v->pv[i]->bd = NULL;
}
}
if (!err) {
for (i = 0; i < v->lv_max; i++) {
err = __get_user(ptr, &((vg32_t *)arg)->lv[i]);
if (err)
break;
if (ptr) {
v->lv[i] = get_lv_t(ptr, &err);
if (err)
break;
}
}
}
break;
case LV_CREATE:
case LV_EXTEND:
case LV_REDUCE:
case LV_REMOVE:
case LV_RENAME:
case LV_STATUS_BYNAME:
err = copy_from_user(&u.pv_status, arg, sizeof(u.pv_status.pv_name));
if (err)
return -EFAULT;
if (cmd != LV_REMOVE) {
err = __get_user(ptr, &((lv_req32_t *)arg)->lv);
if (err)
return err;
u.lv_req.lv = get_lv_t(ptr, &err);
} else
u.lv_req.lv = NULL;
break;
case LV_STATUS_BYINDEX:
err = get_user(u.lv_byindex.lv_index,
&((lv_status_byindex_req32_t *)arg)->lv_index);
err |= __get_user(ptr, &((lv_status_byindex_req32_t *)arg)->lv);
if (err)
return err;
u.lv_byindex.lv = get_lv_t(ptr, &err);
break;
case LV_STATUS_BYDEV:
err = get_user(u.lv_bydev.dev, &((lv_status_bydev_req32_t *)arg)->dev);
err |= __get_user(ptr, &((lv_status_bydev_req32_t *)arg)->lv);
if (err)
return err;
u.lv_bydev.lv = get_lv_t(ptr, &err);
break;
case VG_EXTEND:
err = copy_from_user(&p, (void *)arg, sizeof(pv32_t) - 8 - UUID_LEN+1);
if (err)
return -EFAULT;
err = copy_from_user(p.pv_uuid, ((pv32_t *)arg)->pv_uuid, UUID_LEN+1);
if (err)
return -EFAULT;
p.pe = NULL;
p.bd = NULL;
karg = &p;
break;
case PV_CHANGE:
case PV_STATUS:
err = copy_from_user(&u.pv_status, arg, sizeof(u.lv_req.lv_name));
if (err)
return -EFAULT;
err = __get_user(ptr, &((pv_status_req32_t *)arg)->pv);
if (err)
return err;
u.pv_status.pv = &p;
if (cmd == PV_CHANGE) {
err = copy_from_user(&p, (void *)A(ptr),
sizeof(pv32_t) - 8 - UUID_LEN+1);
if (err)
return -EFAULT;
p.pe = NULL;
p.bd = NULL;
}
break;
};
old_fs = get_fs(); set_fs (KERNEL_DS);
err = sys_ioctl (fd, cmd, (unsigned long)karg);
set_fs (old_fs);
switch (cmd) {
case VG_STATUS:
if (!err) {
if (copy_to_user((void *)arg, v, (long)&((vg32_t *)0)->proc) ||
clear_user(&((vg32_t *)arg)->proc, sizeof(vg32_t) - (long)&((vg32_t *)0)->proc))
err = -EFAULT;
}
if (copy_to_user(((vg32_t *)arg)->vg_uuid, v->vg_uuid, UUID_LEN+1)) {
err = -EFAULT;
}
kfree(v);
break;
case VG_CREATE_OLD:
case VG_CREATE:
for (i = 0; i < v->pv_max; i++) {
if (v->pv[i])
kfree(v->pv[i]);
}
for (i = 0; i < v->lv_max; i++) {
if (v->lv[i])
put_lv_t(v->lv[i]);
}
kfree(v);
break;
case LV_STATUS_BYNAME:
if (!err && u.lv_req.lv)
err = copy_lv_t(ptr, u.lv_req.lv);
/* Fall through */
case LV_CREATE:
case LV_EXTEND:
case LV_REDUCE:
if (u.lv_req.lv)
put_lv_t(u.lv_req.lv);
break;
case LV_STATUS_BYINDEX:
if (u.lv_byindex.lv) {
if (!err)
err = copy_lv_t(ptr, u.lv_byindex.lv);
put_lv_t(u.lv_byindex.lv);
}
break;
case LV_STATUS_BYDEV:
if (u.lv_bydev.lv) {
if (!err)
err = copy_lv_t(ptr, u.lv_bydev.lv);
put_lv_t(u.lv_byindex.lv);
}
break;
case PV_STATUS:
if (!err) {
err = copy_to_user((void *)A(ptr), &p, sizeof(pv32_t) - 8 - UUID_LEN+1);
if (err)
return -EFAULT;
err = copy_to_user(((pv_t *)A(ptr))->pv_uuid, p.pv_uuid, UUID_LEN + 1);
if (err)
return -EFAULT;
}
break;
};
return err;
}
#endif
#ifdef CONFIG_GENRTC
#endif
#if defined(CONFIG_DRM) || defined(CONFIG_DRM_MODULE)
/* This really belongs in include/linux/drm.h -DaveM */
#include "../../../drivers/char/drm/drm.h"
typedef struct drm32_version {
int version_major; /* Major version */
int version_minor; /* Minor version */
int version_patchlevel;/* Patch level */
int name_len; /* Length of name buffer */
u32 name; /* Name of driver */
int date_len; /* Length of date buffer */
u32 date; /* User-space buffer to hold date */
int desc_len; /* Length of desc buffer */
u32 desc; /* User-space buffer to hold desc */
} drm32_version_t;
#define DRM32_IOCTL_VERSION DRM_IOWR(0x00, drm32_version_t)
static int drm32_version(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_version_t *uversion = (drm32_version_t *)arg;
char *name_ptr, *date_ptr, *desc_ptr;
u32 tmp1, tmp2, tmp3;
drm_version_t kversion;
mm_segment_t old_fs;
int ret;
memset(&kversion, 0, sizeof(kversion));
if (get_user(kversion.name_len, &uversion->name_len) ||
get_user(kversion.date_len, &uversion->date_len) ||
get_user(kversion.desc_len, &uversion->desc_len) ||
get_user(tmp1, &uversion->name) ||
get_user(tmp2, &uversion->date) ||
get_user(tmp3, &uversion->desc))
return -EFAULT;
name_ptr = (char *) A(tmp1);
date_ptr = (char *) A(tmp2);
desc_ptr = (char *) A(tmp3);
ret = -ENOMEM;
if (kversion.name_len && name_ptr) {
kversion.name = kmalloc(kversion.name_len, GFP_KERNEL);
if (!kversion.name)
goto out;
}
if (kversion.date_len && date_ptr) {
kversion.date = kmalloc(kversion.date_len, GFP_KERNEL);
if (!kversion.date)
goto out;
}
if (kversion.desc_len && desc_ptr) {
kversion.desc = kmalloc(kversion.desc_len, GFP_KERNEL);
if (!kversion.desc)
goto out;
}
old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_ioctl (fd, DRM_IOCTL_VERSION, (unsigned long)&kversion);
set_fs(old_fs);
if (!ret) {
if ((kversion.name &&
copy_to_user(name_ptr, kversion.name, kversion.name_len)) ||
(kversion.date &&
copy_to_user(date_ptr, kversion.date, kversion.date_len)) ||
(kversion.desc &&
copy_to_user(desc_ptr, kversion.desc, kversion.desc_len)))
ret = -EFAULT;
if (put_user(kversion.version_major, &uversion->version_major) ||
put_user(kversion.version_minor, &uversion->version_minor) ||
put_user(kversion.version_patchlevel, &uversion->version_patchlevel) ||
put_user(kversion.name_len, &uversion->name_len) ||
put_user(kversion.date_len, &uversion->date_len) ||
put_user(kversion.desc_len, &uversion->desc_len))
ret = -EFAULT;
}
out:
if (kversion.name)
kfree(kversion.name);
if (kversion.date)
kfree(kversion.date);
if (kversion.desc)
kfree(kversion.desc);
return ret;
}
typedef struct drm32_unique {
int unique_len; /* Length of unique */
u32 unique; /* Unique name for driver instantiation */
} drm32_unique_t;
#define DRM32_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm32_unique_t)
#define DRM32_IOCTL_SET_UNIQUE DRM_IOW( 0x10, drm32_unique_t)
static int drm32_getsetunique(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_unique_t *uarg = (drm32_unique_t *)arg;
drm_unique_t karg;
mm_segment_t old_fs;
char *uptr;
u32 tmp;
int ret;
if (get_user(karg.unique_len, &uarg->unique_len))
return -EFAULT;
karg.unique = NULL;
if (get_user(tmp, &uarg->unique))
return -EFAULT;
uptr = (char *) A(tmp);
if (uptr) {
karg.unique = kmalloc(karg.unique_len, GFP_KERNEL);
if (!karg.unique)
return -ENOMEM;
if (cmd == DRM32_IOCTL_SET_UNIQUE &&
copy_from_user(karg.unique, uptr, karg.unique_len)) {
kfree(karg.unique);
return -EFAULT;
}
}
old_fs = get_fs();
set_fs(KERNEL_DS);
if (cmd == DRM32_IOCTL_GET_UNIQUE)
ret = sys_ioctl (fd, DRM_IOCTL_GET_UNIQUE, (unsigned long)&karg);
else
ret = sys_ioctl (fd, DRM_IOCTL_SET_UNIQUE, (unsigned long)&karg);
set_fs(old_fs);
if (!ret) {
if (cmd == DRM32_IOCTL_GET_UNIQUE &&
uptr != NULL &&
copy_to_user(uptr, karg.unique, karg.unique_len))
ret = -EFAULT;
if (put_user(karg.unique_len, &uarg->unique_len))
ret = -EFAULT;
}
if (karg.unique != NULL)
kfree(karg.unique);
return ret;
}
typedef struct drm32_map {
u32 offset; /* Requested physical address (0 for SAREA)*/
u32 size; /* Requested physical size (bytes) */
drm_map_type_t type; /* Type of memory to map */
drm_map_flags_t flags; /* Flags */
u32 handle; /* User-space: "Handle" to pass to mmap */
/* Kernel-space: kernel-virtual address */
int mtrr; /* MTRR slot used */
/* Private data */
} drm32_map_t;
#define DRM32_IOCTL_ADD_MAP DRM_IOWR(0x15, drm32_map_t)
static int drm32_addmap(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_map_t *uarg = (drm32_map_t *) arg;
drm_map_t karg;
mm_segment_t old_fs;
u32 tmp;
int ret;
ret = get_user(karg.offset, &uarg->offset);
ret |= get_user(karg.size, &uarg->size);
ret |= get_user(karg.type, &uarg->type);
ret |= get_user(karg.flags, &uarg->flags);
ret |= get_user(tmp, &uarg->handle);
ret |= get_user(karg.mtrr, &uarg->mtrr);
if (ret)
return -EFAULT;
karg.handle = (void *) A(tmp);
old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, DRM_IOCTL_ADD_MAP, (unsigned long) &karg);
set_fs(old_fs);
if (!ret) {
ret = put_user(karg.offset, &uarg->offset);
ret |= put_user(karg.size, &uarg->size);
ret |= put_user(karg.type, &uarg->type);
ret |= put_user(karg.flags, &uarg->flags);
tmp = (u32) (long)karg.handle;
ret |= put_user(tmp, &uarg->handle);
ret |= put_user(karg.mtrr, &uarg->mtrr);
if (ret)
ret = -EFAULT;
}
return ret;
}
typedef struct drm32_buf_info {
int count; /* Entries in list */
u32 list; /* (drm_buf_desc_t *) */
} drm32_buf_info_t;
#define DRM32_IOCTL_INFO_BUFS DRM_IOWR(0x18, drm32_buf_info_t)
static int drm32_info_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_buf_info_t *uarg = (drm32_buf_info_t *)arg;
drm_buf_desc_t *ulist;
drm_buf_info_t karg;
mm_segment_t old_fs;
int orig_count, ret;
u32 tmp;
if (get_user(karg.count, &uarg->count) ||
get_user(tmp, &uarg->list))
return -EFAULT;
ulist = (drm_buf_desc_t *) A(tmp);
orig_count = karg.count;
karg.list = kmalloc(karg.count * sizeof(drm_buf_desc_t), GFP_KERNEL);
if (!karg.list)
return -EFAULT;
old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, DRM_IOCTL_INFO_BUFS, (unsigned long) &karg);
set_fs(old_fs);
if (!ret) {
if (karg.count <= orig_count &&
(copy_to_user(ulist, karg.list,
karg.count * sizeof(drm_buf_desc_t))))
ret = -EFAULT;
if (put_user(karg.count, &uarg->count))
ret = -EFAULT;
}
kfree(karg.list);
return ret;
}
typedef struct drm32_buf_free {
int count;
u32 list; /* (int *) */
} drm32_buf_free_t;
#define DRM32_IOCTL_FREE_BUFS DRM_IOW( 0x1a, drm32_buf_free_t)
static int drm32_free_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_buf_free_t *uarg = (drm32_buf_free_t *)arg;
drm_buf_free_t karg;
mm_segment_t old_fs;
int *ulist;
int ret;
u32 tmp;
if (get_user(karg.count, &uarg->count) ||
get_user(tmp, &uarg->list))
return -EFAULT;
ulist = (int *) A(tmp);
karg.list = kmalloc(karg.count * sizeof(int), GFP_KERNEL);
if (!karg.list)
return -ENOMEM;
ret = -EFAULT;
if (copy_from_user(karg.list, ulist, (karg.count * sizeof(int))))
goto out;
old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, DRM_IOCTL_FREE_BUFS, (unsigned long) &karg);
set_fs(old_fs);
out:
kfree(karg.list);
return ret;
}
typedef struct drm32_buf_pub {
int idx; /* Index into master buflist */
int total; /* Buffer size */
int used; /* Amount of buffer in use (for DMA) */
u32 address; /* Address of buffer (void *) */
} drm32_buf_pub_t;
typedef struct drm32_buf_map {
int count; /* Length of buflist */
u32 virtual; /* Mmaped area in user-virtual (void *) */
u32 list; /* Buffer information (drm_buf_pub_t *) */
} drm32_buf_map_t;
#define DRM32_IOCTL_MAP_BUFS DRM_IOWR(0x19, drm32_buf_map_t)
static int drm32_map_bufs(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_buf_map_t *uarg = (drm32_buf_map_t *)arg;
drm32_buf_pub_t *ulist;
drm_buf_map_t karg;
mm_segment_t old_fs;
int orig_count, ret, i;
u32 tmp1, tmp2;
if (get_user(karg.count, &uarg->count) ||
get_user(tmp1, &uarg->virtual) ||
get_user(tmp2, &uarg->list))
return -EFAULT;
karg.virtual = (void *) A(tmp1);
ulist = (drm32_buf_pub_t *) A(tmp2);
orig_count = karg.count;
karg.list = kmalloc(karg.count * sizeof(drm_buf_pub_t), GFP_KERNEL);
if (!karg.list)
return -ENOMEM;
ret = -EFAULT;
for (i = 0; i < karg.count; i++) {
if (get_user(karg.list[i].idx, &ulist[i].idx) ||
get_user(karg.list[i].total, &ulist[i].total) ||
get_user(karg.list[i].used, &ulist[i].used) ||
get_user(tmp1, &ulist[i].address))
goto out;
karg.list[i].address = (void *) A(tmp1);
}
old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, DRM_IOCTL_MAP_BUFS, (unsigned long) &karg);
set_fs(old_fs);
if (!ret) {
for (i = 0; i < orig_count; i++) {
tmp1 = (u32) (long) karg.list[i].address;
if (put_user(karg.list[i].idx, &ulist[i].idx) ||
put_user(karg.list[i].total, &ulist[i].total) ||
put_user(karg.list[i].used, &ulist[i].used) ||
put_user(tmp1, &ulist[i].address)) {
ret = -EFAULT;
goto out;
}
}
if (put_user(karg.count, &uarg->count))
ret = -EFAULT;
}
out:
kfree(karg.list);
return ret;
}
typedef struct drm32_dma {
/* Indices here refer to the offset into
buflist in drm_buf_get_t. */
int context; /* Context handle */
int send_count; /* Number of buffers to send */
u32 send_indices; /* List of handles to buffers (int *) */
u32 send_sizes; /* Lengths of data to send (int *) */
drm_dma_flags_t flags; /* Flags */
int request_count; /* Number of buffers requested */
int request_size; /* Desired size for buffers */
u32 request_indices; /* Buffer information (int *) */
u32 request_sizes; /* (int *) */
int granted_count; /* Number of buffers granted */
} drm32_dma_t;
#define DRM32_IOCTL_DMA DRM_IOWR(0x29, drm32_dma_t)
/* RED PEN The DRM layer blindly dereferences the send/request
* indice/size arrays even though they are userland
* pointers. -DaveM
*/
static int drm32_dma(unsigned int fd, unsigned int cmd, unsigned long arg)
{
drm32_dma_t *uarg = (drm32_dma_t *) arg;
int *u_si, *u_ss, *u_ri, *u_rs;
drm_dma_t karg;
mm_segment_t old_fs;
int ret;
u32 tmp1, tmp2, tmp3, tmp4;
karg.send_indices = karg.send_sizes = NULL;
karg.request_indices = karg.request_sizes = NULL;
if (get_user(karg.context, &uarg->context) ||
get_user(karg.send_count, &uarg->send_count) ||
get_user(tmp1, &uarg->send_indices) ||
get_user(tmp2, &uarg->send_sizes) ||
get_user(karg.flags, &uarg->flags) ||
get_user(karg.request_count, &uarg->request_count) ||
get_user(karg.request_size, &uarg->request_size) ||
get_user(tmp3, &uarg->request_indices) ||
get_user(tmp4, &uarg->request_sizes) ||
get_user(karg.granted_count, &uarg->granted_count))
return -EFAULT;
u_si = (int *) A(tmp1);
u_ss = (int *) A(tmp2);
u_ri = (int *) A(tmp3);
u_rs = (int *) A(tmp4);
if (karg.send_count) {
karg.send_indices = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL);
karg.send_sizes = kmalloc(karg.send_count * sizeof(int), GFP_KERNEL);
ret = -ENOMEM;
if (!karg.send_indices || !karg.send_sizes)
goto out;
ret = -EFAULT;
if (copy_from_user(karg.send_indices, u_si,
(karg.send_count * sizeof(int))) ||
copy_from_user(karg.send_sizes, u_ss,
(karg.send_count * sizeof(int))))
goto out;
}
if (karg.request_count) {
karg.request_indices = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL);
karg.request_sizes = kmalloc(karg.request_count * sizeof(int), GFP_KERNEL);
ret = -ENOMEM;
if (!karg.request_indices || !karg.request_sizes)
goto out;
ret = -EFAULT;
if (copy_from_user(karg.request_indices, u_ri,
(karg.request_count * sizeof(int))) ||
copy_from_user(karg.request_sizes, u_rs,
(karg.request_count * sizeof(int))))
goto out;
}
old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, DRM_IOCTL_DMA, (unsigned long) &karg);