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linux/arch/sparc64/solaris/ioctl.c
Dipankar Sarma b835996f62 [PATCH] files: lock-free fd look-up 
With the use of RCU in files structure, the look-up of files using fds can now
be lock-free.  The lookup is protected by rcu_read_lock()/rcu_read_unlock().
This patch changes the readers to use lock-free lookup.

Signed-off-by: Maneesh Soni <maneesh@in.ibm.com>
Signed-off-by: Ravikiran Thirumalai <kiran_th@gmail.com>
Signed-off-by: Dipankar Sarma <dipankar@in.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2005-09-09 13:57:55 -07:00

824 lines
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/* $Id: ioctl.c,v 1.17 2002/02/08 03:57:14 davem Exp $
* ioctl.c: Solaris ioctl emulation.
*
* Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
* Copyright (C) 1997,1998 Patrik Rak (prak3264@ss1000.ms.mff.cuni.cz)
*
* Streams & timod emulation based on code
* Copyright (C) 1995, 1996 Mike Jagdis (jaggy@purplet.demon.co.uk)
*
* 1999-08-19 Implemented solaris 'm' (mag tape) and
* 'O' (openprom) ioctls, by Jason Rappleye
* (rappleye@ccr.buffalo.edu)
*/
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <linux/smp_lock.h>
#include <linux/syscalls.h>
#include <linux/ioctl.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/netdevice.h>
#include <linux/mtio.h>
#include <linux/time.h>
#include <linux/rcupdate.h>
#include <linux/compat.h>
#include <net/sock.h>
#include <asm/uaccess.h>
#include <asm/termios.h>
#include <asm/openpromio.h>
#include "conv.h"
#include "socksys.h"
extern asmlinkage int compat_sys_ioctl(unsigned int fd, unsigned int cmd,
u32 arg);
asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg);
extern int timod_putmsg(unsigned int fd, char __user *ctl_buf, int ctl_len,
char __user *data_buf, int data_len, int flags);
extern int timod_getmsg(unsigned int fd, char __user *ctl_buf, int ctl_maxlen, int __user *ctl_len,
char __user *data_buf, int data_maxlen, int __user *data_len, int *flags);
/* termio* stuff {{{ */
struct solaris_termios {
u32 c_iflag;
u32 c_oflag;
u32 c_cflag;
u32 c_lflag;
u8 c_cc[19];
};
struct solaris_termio {
u16 c_iflag;
u16 c_oflag;
u16 c_cflag;
u16 c_lflag;
s8 c_line;
u8 c_cc[8];
};
struct solaris_termiox {
u16 x_hflag;
u16 x_cflag;
u16 x_rflag[5];
u16 x_sflag;
};
static u32 solaris_to_linux_cflag(u32 cflag)
{
cflag &= 0x7fdff000;
if (cflag & 0x200000) {
int baud = cflag & 0xf;
cflag &= ~0x20000f;
switch (baud) {
case 0: baud = B57600; break;
case 1: baud = B76800; break;
case 2: baud = B115200; break;
case 3: baud = B153600; break;
case 4: baud = B230400; break;
case 5: baud = B307200; break;
case 6: baud = B460800; break;
}
cflag |= CBAUDEX | baud;
}
return cflag;
}
static u32 linux_to_solaris_cflag(u32 cflag)
{
cflag &= ~(CMSPAR | CIBAUD);
if (cflag & CBAUDEX) {
int baud = cflag & CBAUD;
cflag &= ~CBAUD;
switch (baud) {
case B57600: baud = 0; break;
case B76800: baud = 1; break;
case B115200: baud = 2; break;
case B153600: baud = 3; break;
case B230400: baud = 4; break;
case B307200: baud = 5; break;
case B460800: baud = 6; break;
case B614400: baud = 7; break;
case B921600: baud = 8; break;
#if 0
case B1843200: baud = 9; break;
#endif
}
cflag |= 0x200000 | baud;
}
return cflag;
}
static inline int linux_to_solaris_termio(unsigned int fd, unsigned int cmd, u32 arg)
{
struct solaris_termio __user *p = A(arg);
int ret;
ret = sys_ioctl(fd, cmd, (unsigned long)p);
if (!ret) {
u32 cflag;
if (__get_user (cflag, &p->c_cflag))
return -EFAULT;
cflag = linux_to_solaris_cflag(cflag);
if (__put_user (cflag, &p->c_cflag))
return -EFAULT;
}
return ret;
}
static int solaris_to_linux_termio(unsigned int fd, unsigned int cmd, u32 arg)
{
int ret;
struct solaris_termio s;
mm_segment_t old_fs = get_fs();
if (copy_from_user (&s, (struct solaris_termio __user *)A(arg), sizeof(struct solaris_termio)))
return -EFAULT;
s.c_cflag = solaris_to_linux_cflag(s.c_cflag);
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, cmd, (unsigned long)&s);
set_fs(old_fs);
return ret;
}
static inline int linux_to_solaris_termios(unsigned int fd, unsigned int cmd, u32 arg)
{
int ret;
struct solaris_termios s;
mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, cmd, (unsigned long)&s);
set_fs(old_fs);
if (!ret) {
struct solaris_termios __user *p = A(arg);
if (put_user (s.c_iflag, &p->c_iflag) ||
__put_user (s.c_oflag, &p->c_oflag) ||
__put_user (linux_to_solaris_cflag(s.c_cflag), &p->c_cflag) ||
__put_user (s.c_lflag, &p->c_lflag) ||
__copy_to_user (p->c_cc, s.c_cc, 16) ||
__clear_user (p->c_cc + 16, 2))
return -EFAULT;
}
return ret;
}
static int solaris_to_linux_termios(unsigned int fd, unsigned int cmd, u32 arg)
{
int ret;
struct solaris_termios s;
struct solaris_termios __user *p = A(arg);
mm_segment_t old_fs = get_fs();
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, TCGETS, (unsigned long)&s);
set_fs(old_fs);
if (ret) return ret;
if (put_user (s.c_iflag, &p->c_iflag) ||
__put_user (s.c_oflag, &p->c_oflag) ||
__put_user (s.c_cflag, &p->c_cflag) ||
__put_user (s.c_lflag, &p->c_lflag) ||
__copy_from_user (s.c_cc, p->c_cc, 16))
return -EFAULT;
s.c_cflag = solaris_to_linux_cflag(s.c_cflag);
set_fs(KERNEL_DS);
ret = sys_ioctl(fd, cmd, (unsigned long)&s);
set_fs(old_fs);
return ret;
}
static inline int solaris_T(unsigned int fd, unsigned int cmd, u32 arg)
{
switch (cmd & 0xff) {
case 1: /* TCGETA */
return linux_to_solaris_termio(fd, TCGETA, arg);
case 2: /* TCSETA */
return solaris_to_linux_termio(fd, TCSETA, arg);
case 3: /* TCSETAW */
return solaris_to_linux_termio(fd, TCSETAW, arg);
case 4: /* TCSETAF */
return solaris_to_linux_termio(fd, TCSETAF, arg);
case 5: /* TCSBRK */
return sys_ioctl(fd, TCSBRK, arg);
case 6: /* TCXONC */
return sys_ioctl(fd, TCXONC, arg);
case 7: /* TCFLSH */
return sys_ioctl(fd, TCFLSH, arg);
case 13: /* TCGETS */
return linux_to_solaris_termios(fd, TCGETS, arg);
case 14: /* TCSETS */
return solaris_to_linux_termios(fd, TCSETS, arg);
case 15: /* TCSETSW */
return solaris_to_linux_termios(fd, TCSETSW, arg);
case 16: /* TCSETSF */
return solaris_to_linux_termios(fd, TCSETSF, arg);
case 103: /* TIOCSWINSZ */
return sys_ioctl(fd, TIOCSWINSZ, arg);
case 104: /* TIOCGWINSZ */
return sys_ioctl(fd, TIOCGWINSZ, arg);
}
return -ENOSYS;
}
static inline int solaris_t(unsigned int fd, unsigned int cmd, u32 arg)
{
switch (cmd & 0xff) {
case 20: /* TIOCGPGRP */
return sys_ioctl(fd, TIOCGPGRP, arg);
case 21: /* TIOCSPGRP */
return sys_ioctl(fd, TIOCSPGRP, arg);
}
return -ENOSYS;
}
/* }}} */
/* A pseudo STREAMS support {{{ */
struct strioctl {
int cmd, timeout, len;
u32 data;
};
struct solaris_si_sockparams {
int sp_family;
int sp_type;
int sp_protocol;
};
struct solaris_o_si_udata {
int tidusize;
int addrsize;
int optsize;
int etsdusize;
int servtype;
int so_state;
int so_options;
int tsdusize;
};
struct solaris_si_udata {
int tidusize;
int addrsize;
int optsize;
int etsdusize;
int servtype;
int so_state;
int so_options;
int tsdusize;
struct solaris_si_sockparams sockparams;
};
#define SOLARIS_MODULE_TIMOD 0
#define SOLARIS_MODULE_SOCKMOD 1
#define SOLARIS_MODULE_MAX 2
static struct module_info {
const char *name;
/* can be expanded further if needed */
} module_table[ SOLARIS_MODULE_MAX + 1 ] = {
/* the ordering here must match the module numbers above! */
{ "timod" },
{ "sockmod" },
{ NULL }
};
static inline int solaris_sockmod(unsigned int fd, unsigned int cmd, u32 arg)
{
struct inode *ino;
struct fdtable *fdt;
/* I wonder which of these tests are superfluous... --patrik */
rcu_read_lock();
fdt = files_fdtable(current->files);
if (! fdt->fd[fd] ||
! fdt->fd[fd]->f_dentry ||
! (ino = fdt->fd[fd]->f_dentry->d_inode) ||
! S_ISSOCK(ino->i_mode)) {
rcu_read_unlock();
return TBADF;
}
rcu_read_unlock();
switch (cmd & 0xff) {
case 109: /* SI_SOCKPARAMS */
{
struct solaris_si_sockparams si;
if (copy_from_user (&si, A(arg), sizeof(si)))
return (EFAULT << 8) | TSYSERR;
/* Should we modify socket ino->socket_i.ops and type? */
return 0;
}
case 110: /* SI_GETUDATA */
{
int etsdusize, servtype;
struct solaris_si_udata __user *p = A(arg);
switch (SOCKET_I(ino)->type) {
case SOCK_STREAM:
etsdusize = 1;
servtype = 2;
break;
default:
etsdusize = -2;
servtype = 3;
break;
}
if (put_user(16384, &p->tidusize) ||
__put_user(sizeof(struct sockaddr), &p->addrsize) ||
__put_user(-1, &p->optsize) ||
__put_user(etsdusize, &p->etsdusize) ||
__put_user(servtype, &p->servtype) ||
__put_user(0, &p->so_state) ||
__put_user(0, &p->so_options) ||
__put_user(16384, &p->tsdusize) ||
__put_user(SOCKET_I(ino)->ops->family, &p->sockparams.sp_family) ||
__put_user(SOCKET_I(ino)->type, &p->sockparams.sp_type) ||
__put_user(SOCKET_I(ino)->ops->family, &p->sockparams.sp_protocol))
return (EFAULT << 8) | TSYSERR;
return 0;
}
case 101: /* O_SI_GETUDATA */
{
int etsdusize, servtype;
struct solaris_o_si_udata __user *p = A(arg);
switch (SOCKET_I(ino)->type) {
case SOCK_STREAM:
etsdusize = 1;
servtype = 2;
break;
default:
etsdusize = -2;
servtype = 3;
break;
}
if (put_user(16384, &p->tidusize) ||
__put_user(sizeof(struct sockaddr), &p->addrsize) ||
__put_user(-1, &p->optsize) ||
__put_user(etsdusize, &p->etsdusize) ||
__put_user(servtype, &p->servtype) ||
__put_user(0, &p->so_state) ||
__put_user(0, &p->so_options) ||
__put_user(16384, &p->tsdusize))
return (EFAULT << 8) | TSYSERR;
return 0;
}
case 102: /* SI_SHUTDOWN */
case 103: /* SI_LISTEN */
case 104: /* SI_SETMYNAME */
case 105: /* SI_SETPEERNAME */
case 106: /* SI_GETINTRANSIT */
case 107: /* SI_TCL_LINK */
case 108: /* SI_TCL_UNLINK */
;
}
return TNOTSUPPORT;
}
static inline int solaris_timod(unsigned int fd, unsigned int cmd, u32 arg,
int len, int __user *len_p)
{
int ret;
switch (cmd & 0xff) {
case 141: /* TI_OPTMGMT */
{
int i;
u32 prim;
SOLD("TI_OPMGMT entry");
ret = timod_putmsg(fd, A(arg), len, NULL, -1, 0);
SOLD("timod_putmsg() returned");
if (ret)
return (-ret << 8) | TSYSERR;
i = MSG_HIPRI;
SOLD("calling timod_getmsg()");
ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i);
SOLD("timod_getmsg() returned");
if (ret)
return (-ret << 8) | TSYSERR;
SOLD("ret ok");
if (get_user(prim, (u32 __user *)A(arg)))
return (EFAULT << 8) | TSYSERR;
SOLD("got prim");
if (prim == T_ERROR_ACK) {
u32 tmp, tmp2;
SOLD("prim is T_ERROR_ACK");
if (get_user(tmp, (u32 __user *)A(arg)+3) ||
get_user(tmp2, (u32 __user *)A(arg)+2))
return (EFAULT << 8) | TSYSERR;
return (tmp2 << 8) | tmp;
}
SOLD("TI_OPMGMT return 0");
return 0;
}
case 142: /* TI_BIND */
{
int i;
u32 prim;
SOLD("TI_BIND entry");
ret = timod_putmsg(fd, A(arg), len, NULL, -1, 0);
SOLD("timod_putmsg() returned");
if (ret)
return (-ret << 8) | TSYSERR;
len = 1024; /* Solaris allows arbitrary return size */
i = MSG_HIPRI;
SOLD("calling timod_getmsg()");
ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i);
SOLD("timod_getmsg() returned");
if (ret)
return (-ret << 8) | TSYSERR;
SOLD("ret ok");
if (get_user(prim, (u32 __user *)A(arg)))
return (EFAULT << 8) | TSYSERR;
SOLD("got prim");
if (prim == T_ERROR_ACK) {
u32 tmp, tmp2;
SOLD("prim is T_ERROR_ACK");
if (get_user(tmp, (u32 __user *)A(arg)+3) ||
get_user(tmp2, (u32 __user *)A(arg)+2))
return (EFAULT << 8) | TSYSERR;
return (tmp2 << 8) | tmp;
}
SOLD("no ERROR_ACK requested");
if (prim != T_OK_ACK)
return TBADSEQ;
SOLD("OK_ACK requested");
i = MSG_HIPRI;
SOLD("calling timod_getmsg()");
ret = timod_getmsg(fd, A(arg), len, len_p, NULL, -1, NULL, &i);
SOLD("timod_getmsg() returned");
if (ret)
return (-ret << 8) | TSYSERR;
SOLD("TI_BIND return ok");
return 0;
}
case 140: /* TI_GETINFO */
case 143: /* TI_UNBIND */
case 144: /* TI_GETMYNAME */
case 145: /* TI_GETPEERNAME */
case 146: /* TI_SETMYNAME */
case 147: /* TI_SETPEERNAME */
;
}
return TNOTSUPPORT;
}
static inline int solaris_S(struct file *filp, unsigned int fd, unsigned int cmd, u32 arg)
{
char *p;
int ret;
mm_segment_t old_fs;
struct strioctl si;
struct inode *ino;
struct sol_socket_struct *sock;
struct module_info *mi;
ino = filp->f_dentry->d_inode;
if (!S_ISSOCK(ino->i_mode))
return -EBADF;
sock = filp->private_data;
if (! sock) {
printk("solaris_S: NULL private_data\n");
return -EBADF;
}
if (sock->magic != SOLARIS_SOCKET_MAGIC) {
printk("solaris_S: invalid magic\n");
return -EBADF;
}
switch (cmd & 0xff) {
case 1: /* I_NREAD */
return -ENOSYS;
case 2: /* I_PUSH */
{
p = getname (A(arg));
if (IS_ERR (p))
return PTR_ERR(p);
ret = -EINVAL;
for (mi = module_table; mi->name; mi++) {
if (strcmp(mi->name, p) == 0) {
sol_module m;
if (sock->modcount >= MAX_NR_STREAM_MODULES) {
ret = -ENXIO;
break;
}
m = (sol_module) (mi - module_table);
sock->module[sock->modcount++] = m;
ret = 0;
break;
}
}
putname (p);
return ret;
}
case 3: /* I_POP */
if (sock->modcount <= 0) return -EINVAL;
sock->modcount--;
return 0;
case 4: /* I_LOOK */
{
const char *p;
if (sock->modcount <= 0) return -EINVAL;
p = module_table[(unsigned)sock->module[sock->modcount]].name;
if (copy_to_user (A(arg), p, strlen(p)))
return -EFAULT;
return 0;
}
case 5: /* I_FLUSH */
return 0;
case 8: /* I_STR */
if (copy_from_user(&si, A(arg), sizeof(struct strioctl)))
return -EFAULT;
/* We ignore what module is actually at the top of stack. */
switch ((si.cmd >> 8) & 0xff) {
case 'I':
return solaris_sockmod(fd, si.cmd, si.data);
case 'T':
return solaris_timod(fd, si.cmd, si.data, si.len,
&((struct strioctl __user *)A(arg))->len);
default:
return solaris_ioctl(fd, si.cmd, si.data);
}
case 9: /* I_SETSIG */
return sys_ioctl(fd, FIOSETOWN, current->pid);
case 10: /* I_GETSIG */
old_fs = get_fs();
set_fs(KERNEL_DS);
sys_ioctl(fd, FIOGETOWN, (unsigned long)&ret);
set_fs(old_fs);
if (ret == current->pid) return 0x3ff;
else return -EINVAL;
case 11: /* I_FIND */
{
int i;
p = getname (A(arg));
if (IS_ERR (p))
return PTR_ERR(p);
ret = 0;
for (i = 0; i < sock->modcount; i++) {
unsigned m = sock->module[i];
if (strcmp(module_table[m].name, p) == 0) {
ret = 1;
break;
}
}
putname (p);
return ret;
}
case 19: /* I_SWROPT */
case 32: /* I_SETCLTIME */
return 0; /* Lie */
}
return -ENOSYS;
}
static inline int solaris_s(unsigned int fd, unsigned int cmd, u32 arg)
{
switch (cmd & 0xff) {
case 0: /* SIOCSHIWAT */
case 2: /* SIOCSLOWAT */
return 0; /* We don't support them */
case 1: /* SIOCGHIWAT */
case 3: /* SIOCGLOWAT */
if (put_user (0, (u32 __user *)A(arg)))
return -EFAULT;
return 0; /* Lie */
case 7: /* SIOCATMARK */
return sys_ioctl(fd, SIOCATMARK, arg);
case 8: /* SIOCSPGRP */
return sys_ioctl(fd, SIOCSPGRP, arg);
case 9: /* SIOCGPGRP */
return sys_ioctl(fd, SIOCGPGRP, arg);
}
return -ENOSYS;
}
static inline int solaris_r(unsigned int fd, unsigned int cmd, u32 arg)
{
switch (cmd & 0xff) {
case 10: /* SIOCADDRT */
return compat_sys_ioctl(fd, SIOCADDRT, arg);
case 11: /* SIOCDELRT */
return compat_sys_ioctl(fd, SIOCDELRT, arg);
}
return -ENOSYS;
}
static inline int solaris_i(unsigned int fd, unsigned int cmd, u32 arg)
{
switch (cmd & 0xff) {
case 12: /* SIOCSIFADDR */
return compat_sys_ioctl(fd, SIOCSIFADDR, arg);
case 13: /* SIOCGIFADDR */
return compat_sys_ioctl(fd, SIOCGIFADDR, arg);
case 14: /* SIOCSIFDSTADDR */
return compat_sys_ioctl(fd, SIOCSIFDSTADDR, arg);
case 15: /* SIOCGIFDSTADDR */
return compat_sys_ioctl(fd, SIOCGIFDSTADDR, arg);
case 16: /* SIOCSIFFLAGS */
return compat_sys_ioctl(fd, SIOCSIFFLAGS, arg);
case 17: /* SIOCGIFFLAGS */
return compat_sys_ioctl(fd, SIOCGIFFLAGS, arg);
case 18: /* SIOCSIFMEM */
return compat_sys_ioctl(fd, SIOCSIFMEM, arg);
case 19: /* SIOCGIFMEM */
return compat_sys_ioctl(fd, SIOCGIFMEM, arg);
case 20: /* SIOCGIFCONF */
return compat_sys_ioctl(fd, SIOCGIFCONF, arg);
case 21: /* SIOCSIFMTU */
return compat_sys_ioctl(fd, SIOCSIFMTU, arg);
case 22: /* SIOCGIFMTU */
return compat_sys_ioctl(fd, SIOCGIFMTU, arg);
case 23: /* SIOCGIFBRDADDR */
return compat_sys_ioctl(fd, SIOCGIFBRDADDR, arg);
case 24: /* SIOCSIFBRDADDR */
return compat_sys_ioctl(fd, SIOCSIFBRDADDR, arg);
case 25: /* SIOCGIFNETMASK */
return compat_sys_ioctl(fd, SIOCGIFNETMASK, arg);
case 26: /* SIOCSIFNETMASK */
return compat_sys_ioctl(fd, SIOCSIFNETMASK, arg);
case 27: /* SIOCGIFMETRIC */
return compat_sys_ioctl(fd, SIOCGIFMETRIC, arg);
case 28: /* SIOCSIFMETRIC */
return compat_sys_ioctl(fd, SIOCSIFMETRIC, arg);
case 30: /* SIOCSARP */
return compat_sys_ioctl(fd, SIOCSARP, arg);
case 31: /* SIOCGARP */
return compat_sys_ioctl(fd, SIOCGARP, arg);
case 32: /* SIOCDARP */
return compat_sys_ioctl(fd, SIOCDARP, arg);
case 52: /* SIOCGETNAME */
case 53: /* SIOCGETPEER */
{
struct sockaddr uaddr;
int uaddr_len = sizeof(struct sockaddr), ret;
long args[3];
mm_segment_t old_fs = get_fs();
int (*sys_socketcall)(int, unsigned long *) =
(int (*)(int, unsigned long *))SYS(socketcall);
args[0] = fd; args[1] = (long)&uaddr; args[2] = (long)&uaddr_len;
set_fs(KERNEL_DS);
ret = sys_socketcall(((cmd & 0xff) == 52) ? SYS_GETSOCKNAME : SYS_GETPEERNAME,
args);
set_fs(old_fs);
if (ret >= 0) {
if (copy_to_user(A(arg), &uaddr, uaddr_len))
return -EFAULT;
}
return ret;
}
#if 0
case 86: /* SIOCSOCKSYS */
return socksys_syscall(fd, arg);
#endif
case 87: /* SIOCGIFNUM */
{
struct net_device *d;
int i = 0;
read_lock_bh(&dev_base_lock);
for (d = dev_base; d; d = d->next) i++;
read_unlock_bh(&dev_base_lock);
if (put_user (i, (int __user *)A(arg)))
return -EFAULT;
return 0;
}
}
return -ENOSYS;
}
static int solaris_m(unsigned int fd, unsigned int cmd, u32 arg)
{
int ret;
switch (cmd & 0xff) {
case 1: /* MTIOCTOP */
ret = sys_ioctl(fd, MTIOCTOP, (unsigned long)&arg);
break;
case 2: /* MTIOCGET */
ret = sys_ioctl(fd, MTIOCGET, (unsigned long)&arg);
break;
case 3: /* MTIOCGETDRIVETYPE */
case 4: /* MTIOCPERSISTENT */
case 5: /* MTIOCPERSISTENTSTATUS */
case 6: /* MTIOCLRERR */
case 7: /* MTIOCGUARANTEEDORDER */
case 8: /* MTIOCRESERVE */
case 9: /* MTIOCRELEASE */
case 10: /* MTIOCFORCERESERVE */
case 13: /* MTIOCSTATE */
case 14: /* MTIOCREADIGNOREILI */
case 15: /* MTIOCREADIGNOREEOFS */
case 16: /* MTIOCSHORTFMK */
default:
ret = -ENOSYS; /* linux doesn't support these */
break;
};
return ret;
}
static int solaris_O(unsigned int fd, unsigned int cmd, u32 arg)
{
int ret = -EINVAL;
switch (cmd & 0xff) {
case 1: /* OPROMGETOPT */
ret = sys_ioctl(fd, OPROMGETOPT, arg);
break;
case 2: /* OPROMSETOPT */
ret = sys_ioctl(fd, OPROMSETOPT, arg);
break;
case 3: /* OPROMNXTOPT */
ret = sys_ioctl(fd, OPROMNXTOPT, arg);
break;
case 4: /* OPROMSETOPT2 */
ret = sys_ioctl(fd, OPROMSETOPT2, arg);
break;
case 5: /* OPROMNEXT */
ret = sys_ioctl(fd, OPROMNEXT, arg);
break;
case 6: /* OPROMCHILD */
ret = sys_ioctl(fd, OPROMCHILD, arg);
break;
case 7: /* OPROMGETPROP */
ret = sys_ioctl(fd, OPROMGETPROP, arg);
break;
case 8: /* OPROMNXTPROP */
ret = sys_ioctl(fd, OPROMNXTPROP, arg);
break;
case 9: /* OPROMU2P */
ret = sys_ioctl(fd, OPROMU2P, arg);
break;
case 10: /* OPROMGETCONS */
ret = sys_ioctl(fd, OPROMGETCONS, arg);
break;
case 11: /* OPROMGETFBNAME */
ret = sys_ioctl(fd, OPROMGETFBNAME, arg);
break;
case 12: /* OPROMGETBOOTARGS */
ret = sys_ioctl(fd, OPROMGETBOOTARGS, arg);
break;
case 13: /* OPROMGETVERSION */
case 14: /* OPROMPATH2DRV */
case 15: /* OPROMDEV2PROMNAME */
case 16: /* OPROMPROM2DEVNAME */
case 17: /* OPROMGETPROPLEN */
default:
ret = -EINVAL;
break;
};
return ret;
}
/* }}} */
asmlinkage int solaris_ioctl(unsigned int fd, unsigned int cmd, u32 arg)
{
struct file *filp;
int error = -EBADF;
filp = fget(fd);
if (!filp)
goto out;
lock_kernel();
error = -EFAULT;
switch ((cmd >> 8) & 0xff) {
case 'S': error = solaris_S(filp, fd, cmd, arg); break;
case 'T': error = solaris_T(fd, cmd, arg); break;
case 'i': error = solaris_i(fd, cmd, arg); break;
case 'r': error = solaris_r(fd, cmd, arg); break;
case 's': error = solaris_s(fd, cmd, arg); break;
case 't': error = solaris_t(fd, cmd, arg); break;
case 'f': error = sys_ioctl(fd, cmd, arg); break;
case 'm': error = solaris_m(fd, cmd, arg); break;
case 'O': error = solaris_O(fd, cmd, arg); break;
default:
error = -ENOSYS;
break;
}
unlock_kernel();
fput(filp);
out:
if (error == -ENOSYS) {
unsigned char c = cmd>>8;
if (c < ' ' || c > 126) c = '.';
printk("solaris_ioctl: Unknown cmd fd(%d) cmd(%08x '%c') arg(%08x)\n",
(int)fd, (unsigned int)cmd, c, (unsigned int)arg);
error = -EINVAL;
}
return error;
}
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