/*
* When you add any new common ioctls to the switches above and below
* please update compat_sys_ioctl() too.
*
* do_vfs_ioctl() is not for drivers and not intended to be EXPORT_SYMBOL()'d.
* It's just a simple helper for sys_ioctl and compat_sys_ioctl.
*/
int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
unsigned long arg)
{
int error = 0;
int __user *argp = (int __user *)arg;
switch (cmd) {
case FIOCLEX:
set_close_on_exec(fd, 1);
break;
case FIONCLEX:
set_close_on_exec(fd, 0);
break;
case FIONBIO:
/* BKL needed to avoid races tweaking f_flags */
lock_kernel();
error = ioctl_fionbio(filp, argp);
unlock_kernel();
break;
case FIOASYNC:
/* BKL needed to avoid races tweaking f_flags */
lock_kernel();
error = ioctl_fioasync(fd, filp, argp);
unlock_kernel();
break;
case FIOQSIZE:
if (S_ISDIR(filp->f_path.dentry->d_inode->i_mode) ||
S_ISREG(filp->f_path.dentry->d_inode->i_mode) ||
S_ISLNK(filp->f_path.dentry->d_inode->i_mode)) {
loff_t res =
inode_get_bytes(filp->f_path.dentry->d_inode);
error = copy_to_user((loff_t __user *)arg, &res,
sizeof(res)) ? -EFAULT : 0;
} else
error = -ENOTTY;
break;
case FIFREEZE:
error = ioctl_fsfreeze(filp);
break;
case FITHAW:
error = ioctl_fsthaw(filp);
break;
default:
if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
error = file_ioctl(filp, cmd, arg);
else
error = vfs_ioctl(filp, cmd, arg);
break;
}
return error;
}
/*
* When you add any new common ioctls to the switches above and below
* please update compat_sys_ioctl() too.
*
* do_vfs_ioctl() is not for drivers and not intended to be EXPORT_SYMBOL()'d.
* It's just a simple helper for sys_ioctl and compat_sys_ioctl.
*/
int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
unsigned long arg)
{
int error = 0;
int __user *argp = (int __user *)arg;
struct inode *inode = file_inode(filp);
switch (cmd) {
case FIOCLEX:
set_close_on_exec(fd, 1);
break;
case FIONCLEX:
set_close_on_exec(fd, 0);
break;
case FIONBIO:
error = ioctl_fionbio(filp, argp);
break;
case FIOASYNC:
error = ioctl_fioasync(fd, filp, argp);
break;
case FIOQSIZE:
if (S_ISDIR(inode->i_mode) || S_ISREG(inode->i_mode) ||
S_ISLNK(inode->i_mode)) {
loff_t res = inode_get_bytes(inode);
error = copy_to_user(argp, &res, sizeof(res)) ?
-EFAULT : 0;
} else
error = -ENOTTY;
break;
case FIFREEZE:
error = ioctl_fsfreeze(filp);
break;
case FITHAW:
error = ioctl_fsthaw(filp);
break;
case FS_IOC_FIEMAP:
return ioctl_fiemap(filp, arg);
case FIGETBSZ:
return put_user(inode->i_sb->s_blocksize, argp);
default:
if (S_ISREG(inode->i_mode))
error = file_ioctl(filp, cmd, arg);
else
error = vfs_ioctl(filp, cmd, arg);
break;
}
return error;
}
static int wdog_daemon(int argc, char *argv[])
{
FAR struct file filestruct;
int ret;
/* Open the watchdog device for reading */
wdinfo("Opening.\n");
ret = file_open(&filestruct, CONFIG_WATCHDOG_DEVPATH, O_RDONLY);
if (ret < 0)
{
wderr("ERROR: open %s failed: %d\n", CONFIG_WATCHDOG_DEVPATH, ret);
goto errout;
}
/* Start the watchdog timer. */
wdinfo("Starting.\n");
ret = file_ioctl(&filestruct, WDIOC_START, 0);
if (ret < 0)
{
wderr("ERROR: ioctl(WDIOC_START) failed: %d\n", errno);
goto errout_with_dev;
}
nxsig_usleep(200);
while(1)
{
nxsig_usleep((CONFIG_WDT_THREAD_INTERVAL)*1000);
wdinfo("ping\n");
ret = file_ioctl(&filestruct, WDIOC_KEEPALIVE, 0);
if (ret < 0)
{
wderr("ERROR: ioctl(WDIOC_KEEPALIVE) failed: %d\n", errno);
goto errout_with_dev;
}
}
errout_with_dev:
file_close(&filestruct);
errout:
return ret;
}
int sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct file * filp;
if (fd >= NR_OPEN || !(filp = current->filp[fd]))
return -EBADF;
if (filp->f_inode && S_ISREG(filp->f_inode->i_mode))
return file_ioctl(filp,cmd,arg);
if (filp->f_op && filp->f_op->ioctl)
return filp->f_op->ioctl(filp->f_inode, filp, cmd,arg);
return -EINVAL;
}
int sys_ioctl(int fd, unsigned int cmd, unsigned int arg)
{
register struct file *filp;
register struct file_operations *fop;
int on;
if (fd >= NR_OPEN || !(filp = current->files.fd[fd]))
return -EBADF;
fop = filp->f_op;
filp->f_inode = filp->f_inode;
switch (cmd) {
case FIOCLEX:
FD_SET(fd, ¤t->files.close_on_exec);
return 0;
case FIONCLEX:
FD_CLR(fd, ¤t->files.close_on_exec);
return 0;
case FIONBIO:
memcpy_fromfs(&on, (unsigned int *) arg, 2);
#if 0
on = get_user((void *) arg);
#endif
filp->f_flags = (on)
? filp->f_flags | O_NONBLOCK
: filp->f_flags & ~O_NONBLOCK;
return 0;
default:
if (filp->f_inode && S_ISREG(filp->f_inode->i_mode))
return file_ioctl(filp, cmd, arg);
if (fop && fop->ioctl)
return fop->ioctl(filp->f_inode, filp, cmd, arg);
return -EINVAL;
}
}
MPERS_PRINTER_DECL(int, btrfs_ioctl,
struct tcb *tcp, const unsigned int code, const long arg)
{
switch (code) {
/* Take no arguments; command only. */
case BTRFS_IOC_TRANS_START:
case BTRFS_IOC_TRANS_END:
case BTRFS_IOC_SYNC:
case BTRFS_IOC_SCRUB_CANCEL:
case BTRFS_IOC_QUOTA_RESCAN_WAIT:
/*
* The codes for these ioctls are based on each accepting a
* vol_args but none of them actually consume an argument.
*/
case BTRFS_IOC_DEFRAG:
case BTRFS_IOC_BALANCE:
break;
/* takes a signed int */
case BTRFS_IOC_BALANCE_CTL:
tprints(", ");
printxval(btrfs_balance_ctl_cmds, arg, "BTRFS_BALANCE_CTL_???");
break;
/* returns a 64 */
case BTRFS_IOC_START_SYNC: /* R */
if (entering(tcp))
return 0;
/* fall through */
/* takes a u64 */
case BTRFS_IOC_DEFAULT_SUBVOL: /* W */
case BTRFS_IOC_WAIT_SYNC: /* W */
tprints(", ");
printnum_int64(tcp, arg, "%" PRIu64);
break;
/* u64 but describe a flags bitfield; we can make that symbolic */
case BTRFS_IOC_SUBVOL_GETFLAGS: { /* R */
uint64_t flags;
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flags))
break;
printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
break;
}
case BTRFS_IOC_SUBVOL_SETFLAGS: { /* W */
uint64_t flags;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flags))
break;
printflags64(btrfs_snap_flags_v2, flags, "BTRFS_SUBVOL_???");
break;
}
/* More complex types */
case BTRFS_IOC_BALANCE_V2: /* RW */
if (entering(tcp)) {
tprints(", ");
btrfs_print_balance(tcp, arg, false);
return 0;
}
if (syserror(tcp))
break;
tprints(" => ");
btrfs_print_balance(tcp, arg, true);
break;
case BTRFS_IOC_BALANCE_PROGRESS: /* R */
if (entering(tcp))
return 0;
tprints(", ");
btrfs_print_balance(tcp, arg, true);
break;
case BTRFS_IOC_DEFRAG_RANGE: { /* W */
struct btrfs_ioctl_defrag_range_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{start=%" PRIu64 ", len=", (uint64_t)args.start);
tprintf("%" PRIu64, (uint64_t) args.len);
if (args.len == UINT64_MAX)
tprints(" /* UINT64_MAX */");
tprints(", flags=");
printflags64(btrfs_defrag_flags, args.flags,
"BTRFS_DEFRAG_RANGE_???");
tprintf(", extent_thresh=%u, compress_type=",
args.extent_thresh);
printxval(btrfs_compress_types, args.compress_type,
"BTRFS_COMPRESS_???");
tprints("}");
break;
}
case BTRFS_IOC_DEV_INFO: { /* RW */
struct btrfs_ioctl_dev_info_args args;
char uuid[UUID_STRING_SIZE+1];
int valid;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
valid = btrfs_unparse_uuid(args.uuid, uuid);
if (entering(tcp)) {
tprintf("devid=%" PRI__u64, args.devid);
if (valid)
tprintf(", uuid=%s", uuid);
tprints("}");
return 0;
}
if (valid)
tprintf("uuid=%s, ", uuid);
tprintf("bytes_used=%" PRI__u64
", total_bytes=%" PRI__u64 ", path=",
args.bytes_used, args.total_bytes);
print_quoted_string((const char *)args.path, sizeof(args.path),
QUOTE_0_TERMINATED);
tprints("}");
break;
}
case BTRFS_IOC_DEV_REPLACE: { /* RW */
struct_btrfs_ioctl_dev_replace_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
tprints("{cmd=");
printxval64(btrfs_dev_replace_cmds, args.cmd,
"BTRFS_IOCTL_DEV_REPLACE_CMD_???");
if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_START) {
const char *str;
tprintf(", start={srcdevid=%" PRIu64
", cont_reading_from_srcdev_mode=%" PRIu64
", srcdev_name=",
(uint64_t) args.start.srcdevid,
(uint64_t) args.start.cont_reading_from_srcdev_mode);
str = (const char*) args.start.srcdev_name;
print_quoted_string(str,
sizeof(args.start.srcdev_name),
QUOTE_0_TERMINATED);
tprints(", tgtdev_name=");
str = (const char*) args.start.tgtdev_name;
print_quoted_string(str,
sizeof(args.start.tgtdev_name),
QUOTE_0_TERMINATED);
tprints("}");
}
tprints("}");
return 0;
}
tprints("{result=");
printxval64(btrfs_dev_replace_results, args.result,
"BTRFS_IOCTL_DEV_REPLACE_RESULT_???");
if (args.cmd == BTRFS_IOCTL_DEV_REPLACE_CMD_STATUS) {
char buf[sizeof("HH:MM:SS") + 1];
time_t time;
tprints(", ");
printxval64(btrfs_dev_replace_state,
args.status.replace_state,
"BTRFS_IOCTL_DEV_REPLACE_STATE_???");
tprintf(", progress_1000=%" PRIu64 " /* ",
(uint64_t) args.status.progress_1000);
if (args.status.progress_1000 <= 1000)
tprintf("%" PRIu64 ".%.2" PRIu64 "%%",
(uint64_t) args.status.progress_1000 / 10,
(uint64_t) args.status.progress_1000 % 10);
else
tprints("???");
tprints(" */ ,");
time = args.status.time_started;
strftime(buf, sizeof(buf), "%T",
localtime(&time));
tprintf("time_started=%" PRIu64" /* %s */, ",
(uint64_t) args.status.time_started, buf);
time = args.status.time_stopped;
strftime(buf, sizeof(buf), "%T",
localtime(&time));
tprintf("time_stopped=%" PRIu64" /* %s */, ",
(uint64_t) args.status.time_stopped, buf);
tprintf("num_write_errors=%" PRIu64
", num_uncorrectable_read_errors=%" PRIu64,
(uint64_t) args.status.num_write_errors,
(uint64_t) args.status.num_uncorrectable_read_errors);
}
tprints("}");
break;
}
case BTRFS_IOC_GET_FEATURES: { /* R */
struct btrfs_ioctl_feature_flags flags;
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flags))
break;
btrfs_print_features(&flags);
break;
}
case BTRFS_IOC_SET_FEATURES: { /* W */
struct btrfs_ioctl_feature_flags flarg[2];
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flarg))
break;
tprints("[");
btrfs_print_features(&flarg[0]);
tprints(", ");
btrfs_print_features(&flarg[1]);
tprints("]");
break;
}
case BTRFS_IOC_GET_SUPPORTED_FEATURES: { /* R */
struct btrfs_ioctl_feature_flags flarg[3];
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &flarg))
break;
tprints("[ /* supported */ ");
btrfs_print_features(&flarg[0]);
tprints(", /* safe to set */ ");
btrfs_print_features(&flarg[1]);
tprints(", /* safe to clear */ ");
btrfs_print_features(&flarg[2]);
tprints("]");
break;
}
case BTRFS_IOC_FS_INFO: { /* R */
struct btrfs_ioctl_fs_info_args args;
char uuid[UUID_STRING_SIZE+1];
uint32_t nodesize, sectorsize, clone_alignment;
#ifndef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
__u32 *reserved32;
#endif
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
#ifdef HAVE_STRUCT_BTRFS_IOCTL_FS_INFO_ARGS_NODESIZE
nodesize = args.nodesize,
sectorsize = args.sectorsize,
clone_alignment = args.clone_alignment;
#else
reserved32 = (__u32 *) (void *) args.reserved;
nodesize = reserved32[0];
sectorsize = reserved32[1];
clone_alignment = reserved32[2];
#endif
btrfs_unparse_uuid(args.fsid, uuid);
tprints("{");
tprintf("max_id=%" PRI__u64 ", num_devices=%" PRI__u64
", fsid=%s, nodesize=%u, sectorsize=%u"
", clone_alignment=%u",
args.max_id, args.num_devices, uuid,
nodesize, sectorsize, clone_alignment);
tprints("}");
break;
}
case BTRFS_IOC_GET_DEV_STATS: { /* RW */
struct btrfs_ioctl_get_dev_stats args;
uint64_t i;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
if (entering(tcp))
tprintf("devid=%" PRI__u64 ", ", args.devid);
tprintf("nr_items=%" PRI__u64 ", flags=", args.nr_items);
printflags64(btrfs_dev_stats_flags, args.flags,
"BTRFS_DEV_STATS_???");
if (entering(tcp)) {
tprints("}");
return 0;
}
/*
* The structure has a 1k limit; Let's make sure we don't
* go off into the middle of nowhere with a bad nr_items
* value.
*/
tprints(", [");
for (i = 0; i < args.nr_items; i++) {
if (i)
tprints(", ");
if (i >= ARRAY_SIZE(args.values)) {
tprints("...");
break;
}
const char *name = xlookup(btrfs_dev_stats_values, i);
if (name)
tprintf("/* %s */ ", name);
tprintf("%" PRI__u64, args.values[i]);
}
tprints("]}");
break;
}
case BTRFS_IOC_INO_LOOKUP: { /* RW */
struct btrfs_ioctl_ino_lookup_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
/* Use subvolume id of the containing root */
if (args.treeid == 0)
set_tcb_priv_ulong(tcp, 1);
tprints("{treeid=");
btrfs_print_objectid(args.treeid);
tprints(", objectid=");
btrfs_print_objectid(args.objectid);
tprints("}");
return 0;
}
tprints("{");
if (get_tcb_priv_ulong(tcp)) {
tprints("treeid=");
btrfs_print_objectid(args.treeid);
tprints(", ");
}
tprints("name=");
print_quoted_string(args.name, sizeof(args.name),
QUOTE_0_TERMINATED);
tprints("}");
break;
}
case BTRFS_IOC_INO_PATHS: { /* RW */
struct btrfs_ioctl_ino_path_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
if (entering(tcp)) {
tprintf("inum=%" PRI__u64 ", size=%" PRI__u64,
args.inum, args.size);
tprintf(", fspath=0x%" PRI__x64 "}", args.fspath);
return 0;
}
tprints("fspath=");
btrfs_print_ino_path_container(tcp, args.fspath);
tprints("}");
break;
}
case BTRFS_IOC_LOGICAL_INO: { /* RW */
struct btrfs_ioctl_logical_ino_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
if (entering(tcp)) {
tprintf("logical=%" PRI__u64 ", size=%" PRI__u64,
args.logical, args.size);
tprintf(", inodes=0x%" PRI__x64 "}", args.inodes);
return 0;
}
tprints("inodes=");
btrfs_print_logical_ino_container(tcp, args.inodes);
tprints("}");
break;
}
case BTRFS_IOC_QGROUP_ASSIGN: { /* W */
struct btrfs_ioctl_qgroup_assign_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{assign=%" PRI__u64 ", src=%" PRI__u64
", dst=%" PRI__u64 "}",
args.assign, args.src, args.dst);
break;
}
case BTRFS_IOC_QGROUP_CREATE: { /* W */
struct btrfs_ioctl_qgroup_create_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{create=%" PRI__u64 ", qgroupid=%" PRI__u64 "}",
args.create, args.qgroupid);
break;
}
case BTRFS_IOC_QGROUP_LIMIT: { /* R */
struct btrfs_ioctl_qgroup_limit_args args;
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{qgroupid=%" PRI__u64 ", lim=", args.qgroupid);
btrfs_print_qgroup_limit(&args.lim);
tprints("}");
break;
}
case BTRFS_IOC_QUOTA_CTL: { /* W */
struct btrfs_ioctl_quota_ctl_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
printxval64(btrfs_qgroup_ctl_cmds, args.cmd,
"BTRFS_QUOTA_CTL_???");
tprints("}");
break;
}
case BTRFS_IOC_QUOTA_RESCAN: { /* W */
struct btrfs_ioctl_quota_rescan_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{flags=%" PRIu64 "}", (uint64_t) args.flags);
break;
}
case BTRFS_IOC_QUOTA_RESCAN_STATUS: { /* R */
struct btrfs_ioctl_quota_rescan_args args;
if (entering(tcp))
return 0;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprintf("{flags=%" PRIu64 ", progress=", (uint64_t) args.flags);
btrfs_print_objectid(args.progress);
tprints("}");
break;
}
case BTRFS_IOC_SET_RECEIVED_SUBVOL: { /* RW */
struct_btrfs_ioctl_received_subvol_args args;
char uuid[UUID_STRING_SIZE+1];
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
btrfs_unparse_uuid((unsigned char *)args.uuid, uuid);
tprintf("{uuid=%s, stransid=%" PRIu64
", stime=%" PRIu64 ".%u, flags=%" PRIu64
"}", uuid, (uint64_t) args.stransid,
(uint64_t) args.stime.sec, args.stime.nsec,
(uint64_t) args.flags);
return 0;
}
tprintf("{rtransid=%" PRIu64 ", rtime=%" PRIu64 ".%u}",
(uint64_t) args.rtransid, (uint64_t) args.rtime.sec,
args.rtime.nsec);
break;
}
case BTRFS_IOC_SCRUB: /* RW */
case BTRFS_IOC_SCRUB_PROGRESS: { /* RW */
struct btrfs_ioctl_scrub_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
tprintf("{devid=%" PRI__u64, args.devid);
if (code == BTRFS_IOC_SCRUB) {
tprintf(", start=%" PRI__u64 ", end=",
args.start);
tprintf("%" PRI__u64, args.end);
if (args.end == UINT64_MAX)
tprints(" /* UINT64_MAX */");
tprints(", flags=");
printflags64(btrfs_scrub_flags, args.flags,
"BTRFS_SCRUB_???");
}
tprints("}");
return 0;
}
tprintf("{data_extents_scrubbed=%" PRI__u64
", tree_extents_scrubbed=%" PRI__u64
", data_bytes_scrubbed=%" PRI__u64
", tree_bytes_scrubbed=%" PRI__u64
", read_errors=%" PRI__u64
", csum_errors=%" PRI__u64
", verify_errors=%" PRI__u64
", no_csum=%" PRI__u64
", csum_discards=%" PRI__u64
", super_errors=%" PRI__u64
", malloc_errors=%" PRI__u64
", uncorrectable_errors=%" PRI__u64
", corrected_errors=%" PRI__u64
", last_physical=%" PRI__u64
", unverified_errors=%" PRI__u64 "}",
args.progress.data_extents_scrubbed,
args.progress.tree_extents_scrubbed,
args.progress.data_bytes_scrubbed,
args.progress.tree_bytes_scrubbed,
args.progress.read_errors,
args.progress.csum_errors,
args.progress.verify_errors,
args.progress.no_csum,
args.progress.csum_discards,
args.progress.super_errors,
args.progress.malloc_errors,
args.progress.uncorrectable_errors,
args.progress.corrected_errors,
args.progress.last_physical,
args.progress.unverified_errors);
break;
}
case BTRFS_IOC_TREE_SEARCH: { /* RW */
struct btrfs_ioctl_search_args args;
uint64_t buf_offset;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
buf_offset = offsetof(struct btrfs_ioctl_search_args, buf);
btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
sizeof(args.buf), false);
if (entering(tcp))
return 0;
break;
}
case BTRFS_IOC_TREE_SEARCH_V2: { /* RW */
struct btrfs_ioctl_search_args_v2 args;
uint64_t buf_offset;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp)) {
if (tcp->u_error == EOVERFLOW) {
tprints(" => ");
tcp->u_error = 0;
if (!umove_or_printaddr(tcp, arg, &args))
tprintf("{buf_size=%" PRIu64 "}",
(uint64_t)args.buf_size);
tcp->u_error = EOVERFLOW;
}
break;
} else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
buf_offset = offsetof(struct btrfs_ioctl_search_args_v2, buf);
btrfs_print_tree_search(tcp, &args.key, arg + buf_offset,
args.buf_size, true);
if (entering(tcp))
return 0;
break;
}
case BTRFS_IOC_SEND: { /* W */
struct_btrfs_ioctl_send_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{send_fd=");
printfd(tcp, args.send_fd);
tprintf(", clone_sources_count=%" PRIu64 ", clone_sources=",
(uint64_t) args.clone_sources_count);
if (abbrev(tcp))
tprints("...");
else {
uint64_t record;
print_array(tcp, (unsigned long) args.clone_sources,
args.clone_sources_count,
&record, sizeof(record),
umoven_or_printaddr,
print_objectid_callback, 0);
}
tprints(", parent_root=");
btrfs_print_objectid(args.parent_root);
tprints(", flags=");
printflags64(btrfs_send_flags, args.flags,
"BTRFS_SEND_FLAGS_???");
tprints("}");
break;
}
case BTRFS_IOC_SPACE_INFO: { /* RW */
struct btrfs_ioctl_space_args args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{");
if (entering(tcp)) {
tprintf("space_slots=%" PRI__u64 "}", args.space_slots);
return 0;
}
tprintf("total_spaces=%" PRI__u64, args.total_spaces);
if (args.space_slots == 0 && args.total_spaces) {
tprints("}");
break;
}
tprints(", spaces=");
if (abbrev(tcp))
tprints("...");
else {
struct btrfs_ioctl_space_info info;
print_array(tcp, arg + offsetof(typeof(args), spaces),
args.total_spaces,
&info, sizeof(info), umoven_or_printaddr,
print_btrfs_ioctl_space_info, 0);
}
tprints("}");
break;
}
case BTRFS_IOC_SNAP_CREATE:
case BTRFS_IOC_RESIZE:
case BTRFS_IOC_SCAN_DEV:
case BTRFS_IOC_ADD_DEV:
case BTRFS_IOC_RM_DEV:
case BTRFS_IOC_SUBVOL_CREATE:
case BTRFS_IOC_SNAP_DESTROY:
case BTRFS_IOC_DEVICES_READY: { /* W */
struct btrfs_ioctl_vol_args args;
tprints(", ");
if (umove_or_printaddr(tcp, arg, &args))
break;
tprints("{fd=");
printfd(tcp, args.fd);
tprints(", name=");
print_quoted_string(args.name, sizeof(args.name),
QUOTE_0_TERMINATED);
tprints("}");
break;
}
case BTRFS_IOC_SNAP_CREATE_V2:
case BTRFS_IOC_SUBVOL_CREATE_V2: { /* code is W, but is actually RW */
struct btrfs_ioctl_vol_args_v2 args;
if (entering(tcp))
tprints(", ");
else if (syserror(tcp))
break;
else
tprints(" => ");
if (umove_or_printaddr(tcp, arg, &args))
break;
if (entering(tcp)) {
tprints("{fd=");
printfd(tcp, args.fd);
tprints(", flags=");
printflags64(btrfs_snap_flags_v2, args.flags,
"BTRFS_SUBVOL_???");
if (args.flags & BTRFS_SUBVOL_QGROUP_INHERIT) {
tprintf(", size=%" PRI__u64 ", qgroup_inherit=",
args.size);
btrfs_print_qgroup_inherit(tcp,
(unsigned long)args.qgroup_inherit);
}
tprintf(", name=");
print_quoted_string(args.name, sizeof(args.name),
QUOTE_0_TERMINATED);
tprints("}");
return 0;
}
tprintf("{transid=%" PRI__u64 "}", args.transid);
break;
}
case BTRFS_IOC_GET_FSLABEL: /* R */
if (entering(tcp))
return 0;
/* fall through */
case BTRFS_IOC_SET_FSLABEL: { /* W */
char label[BTRFS_LABEL_SIZE];
tprints(", ");
if (umove_or_printaddr(tcp, arg, &label))
break;
print_quoted_string(label, sizeof(label), QUOTE_0_TERMINATED);
break;
}
case BTRFS_IOC_CLONE: /* FICLONE */
case BTRFS_IOC_CLONE_RANGE: /* FICLONERANGE */
#ifdef BTRFS_IOC_FILE_EXTENT_SAME
case BTRFS_IOC_FILE_EXTENT_SAME: /* FIDEDUPERANGE */
#endif
/*
* FICLONE, FICLONERANGE, and FIDEDUPERANGE started out as
* btrfs ioctls and the code was kept for the generic
* implementations. We use the BTRFS_* names here because
* they will be available on older systems.
*/
return file_ioctl(tcp, code, arg);
default:
return RVAL_DECODED;
};
return RVAL_DECODED | 1;
}
int sam_watchdog_initialize(void)
{
#if (defined(CONFIG_SAM34_WDT) && !defined(CONFIG_WDT_DISABLE_ON_RESET))
FAR struct file filestruct;
int ret;
/* Initialize tha register the watchdog timer device */
wdinfo("Initializing Watchdog driver...\n");
sam_wdtinitialize(CONFIG_WATCHDOG_DEVPATH);
/* Open the watchdog device */
wdinfo("Opening.\n");
ret = file_open(&filestruct, CONFIG_WATCHDOG_DEVPATH, O_RDONLY);
if (ret < 0)
{
wderr("ERROR: open %s failed: %d\n", CONFIG_WATCHDOG_DEVPATH, ret);
goto errout;
}
/* Set the watchdog timeout */
wdinfo("Timeout = %d.\n", CONFIG_WDT_TIMEOUT);
ret = file_ioctl(&filestruct, WDIOC_SETTIMEOUT,
(unsigned long)CONFIG_WDT_TIMEOUT);
if (ret < 0)
{
wderr("ERROR: ioctl(WDIOC_SETTIMEOUT) failed: %d\n", errno);
goto errout_with_dev;
}
/* Set the watchdog minimum time */
wdinfo("MinTime = %d.\n", CONFIG_WDT_MINTIME);
ret = file_ioctl(&filestruct, WDIOC_MINTIME,
(unsigned long)CONFIG_WDT_MINTIME);
if (ret < 0)
{
wderr("ERROR: ioctl(WDIOC_MINTIME) failed: %d\n", errno);
goto errout_with_dev;
}
/* Start Kicker task */
#if defined(CONFIG_WDT_THREAD)
sched_lock();
int taskid = kthread_create(CONFIG_WDT_THREAD_NAME,
CONFIG_WDT_THREAD_PRIORITY,
CONFIG_WDT_THREAD_STACKSIZE,
(main_t)wdog_daemon, (FAR char * const *)NULL);
DEBUGASSERT(taskid > 0);
UNUSED(taskid);
sched_unlock();
#endif
return OK;
errout_with_dev:
file_close(&filestruct);
errout:
return ret;
#else
return -ENODEV;
#endif
}
static int
ioctl_decode(struct tcb *tcp)
{
const unsigned int code = tcp->u_arg[1];
const kernel_ulong_t arg = tcp->u_arg[2];
switch (_IOC_TYPE(code)) {
#if defined(ALPHA) || defined(POWERPC)
case 'f': {
int ret = file_ioctl(tcp, code, arg);
if (ret != RVAL_DECODED)
return ret;
}
case 't':
case 'T':
return term_ioctl(tcp, code, arg);
#else /* !ALPHA */
case 'f':
return file_ioctl(tcp, code, arg);
case 0x54:
#endif /* !ALPHA */
return term_ioctl(tcp, code, arg);
case 0x89:
return sock_ioctl(tcp, code, arg);
case 'p':
return rtc_ioctl(tcp, code, arg);
case 0x03:
return hdio_ioctl(tcp, code, arg);
case 0x12:
return block_ioctl(tcp, code, arg);
case 'X':
return fs_x_ioctl(tcp, code, arg);
case 0x22:
return scsi_ioctl(tcp, code, arg);
case 'L':
return loop_ioctl(tcp, code, arg);
case 'M':
return mtd_ioctl(tcp, code, arg);
case 'o':
case 'O':
return ubi_ioctl(tcp, code, arg);
case 'V':
return v4l2_ioctl(tcp, code, arg);
case '=':
return ptp_ioctl(tcp, code, arg);
#ifdef HAVE_LINUX_INPUT_H
case 'E':
return evdev_ioctl(tcp, code, arg);
#endif
#ifdef HAVE_LINUX_USERFAULTFD_H
case 0xaa:
return uffdio_ioctl(tcp, code, arg);
#endif
#ifdef HAVE_LINUX_BTRFS_H
case 0x94:
return btrfs_ioctl(tcp, code, arg);
#endif
#ifdef HAVE_LINUX_DM_IOCTL_H
case 0xfd:
return dm_ioctl(tcp, code, arg);
#endif
default:
break;
}
return 0;
}
/*
* When you add any new common ioctls to the switches above and below
* please update compat_sys_ioctl() too.
*
* vfs_ioctl() is not for drivers and not intended to be EXPORT_SYMBOL()'d.
* It's just a simple helper for sys_ioctl and compat_sys_ioctl.
*/
int vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd, unsigned long arg)
{
unsigned int flag;
int on, error = 0;
umode_t mode;
struct _file *_filp = tx_cache_get_file(filp);
/* Patch up ioctl for bad tx cases*/
if((!_filp) || !_filp->f_dentry ){
#ifdef CONFIG_TX_KSTM_WARNINGS
printk(KERN_ERR "Fixing up ioctl\n");
#endif
return 0;
}
mode = d_get_inode_ro(f_get_dentry(_filp))->i_mode;
switch (cmd) {
case FIOCLEX:
set_close_on_exec(fd, 1);
break;
case FIONCLEX:
set_close_on_exec(fd, 0);
break;
case FIONBIO:
if ((error = get_user(on, (int __user *)arg)) != 0)
break;
flag = O_NONBLOCK;
#ifdef __sparc__
/* SunOS compatibility item. */
if(O_NONBLOCK != O_NDELAY)
flag |= O_NDELAY;
#endif
if (on)
_filp->f_flags |= flag;
else
_filp->f_flags &= ~flag;
break;
case FIOASYNC:
if ((error = get_user(on, (int __user *)arg)) != 0)
break;
flag = on ? FASYNC : 0;
/* Did FASYNC state change ? */
if ((flag ^ _filp->f_flags) & FASYNC) {
if (filp->f_op && filp->f_op->fasync) {
lock_kernel();
error = filp->f_op->fasync(fd, filp, on);
unlock_kernel();
}
else error = -ENOTTY;
}
if (error != 0)
break;
if (on)
_filp->f_flags |= FASYNC;
else
_filp->f_flags &= ~FASYNC;
break;
case FIOQSIZE:
if (S_ISDIR(mode) ||
S_ISREG(mode) ||
S_ISLNK(mode)) {
loff_t res = inode_get_bytes(f_get_dentry(_filp)->d_inode);
error = copy_to_user((loff_t __user *)arg, &res, sizeof(res)) ? -EFAULT : 0;
}
else
error = -ENOTTY;
break;
default:
if(live_transaction()){
/* Short circuit this stupid ioctl */
if(cmd == TIOCGWINSZ){
#ifdef CONFIG_TX_KSTM_WARNINGS
printk(KERN_ERR "Warning: some bozo wants to know the terminal width in a transaction.\n");
#endif
error = -EINVAL;
break;
} else if(cmd != TCGETS)
BUG();
}
if (S_ISREG(mode))
error = file_ioctl(filp, cmd, arg);
else
error = do_ioctl(filp, cmd, arg);
break;
}
return error;
}
static ssize_t pty_read(FAR struct file *filep, FAR char *buffer, size_t len)
{
FAR struct inode *inode;
FAR struct pty_dev_s *dev;
ssize_t ntotal;
#ifdef CONFIG_SERIAL_TERMIOS
ssize_t nread;
size_t i;
char ch;
int ret;
#endif
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
inode = filep->f_inode;
dev = inode->i_private;
DEBUGASSERT(dev != NULL);
#ifdef CONFIG_SERIAL_TERMIOS
/* Do input processing if any is enabled
*
* Specifically not handled:
*
* All of the local modes; echo, line editing, etc.
* Anything to do with break or parity errors.
* ISTRIP - We should be 8-bit clean.
* IUCLC - Not Posix
* IXON/OXOFF - No xon/xoff flow control.
*/
if (dev->pd_iflag & (INLCR | IGNCR | ICRNL))
{
/* We will transfer one byte at a time, making the appropriate
* translations.
*/
ntotal = 0;
for (i = 0; i < len; i++)
{
#ifndef CONFIG_PSEUDOTERM_FULLBLOCKS
/* This logic should return if the pipe becomes empty after some
* bytes were read from the pipe. If we have already read some
* data, we use the FIONREAD ioctl to test if there are more bytes
* in the pipe.
*
* REVISIT: An alternative design might be to (1) configure the
* source file as non-blocking, then (2) wait using poll() for the
* first byte to be received. (3) Subsequent bytes would
* use file_read() without polling and would (4) terminate when no
* data is returned.
*/
if (ntotal > 0)
{
int nsrc;
/* There are inherent race conditions in this test. We lock
* the scheduler before the test and after the file_read()
* below to eliminate one race: (a) We detect that there is
* data in the source file, (b) we are suspended and another
* thread reads the data, emptying the fifo, then (c) we
* resume and call file_read(), blocking indefinitely.
*/
sched_lock();
/* Check how many bytes are waiting in the pipe */
ret = file_ioctl(&dev->pd_src, FIONREAD,
(unsigned long)((uintptr_t)&nsrc));
if (ret < 0)
{
sched_unlock();
ntotal = ret;
break;
}
/* Break out of the loop and return ntotal if the pipe is
* empty. This is another race: There fifo was empty when we
* called file_ioctl() above, but it might not be empty right
* now. Losing that race should not lead to any bad behaviors,
* however, we the caller will get those bytes on the next
* read.
*/
if (nsrc < 1)
{
sched_unlock();
break;
}
/* Read one byte from the source the byte. This should not
* block.
*/
nread = file_read(&dev->pd_src, &ch, 1);
sched_unlock();
}
else
#else
/* If we wanted to return full blocks of data, then file_read()
* may need to be called repeatedly. That is because the pipe
* read() method will return early if the fifo becomes empty
* after any data has been read.
*/
# error Missing logic
#endif
{
/* Read one byte from the source the byte. This call will
* block if the source pipe is empty.
*
* REVISIT: Should not block if the oflags include O_NONBLOCK.
* How would we ripple the O_NONBLOCK characteristic to the
* contained soruce pipe? file_vfcntl()? Or FIONREAD? See the
* TODO comment at the top of this file.
*/
nread = file_read(&dev->pd_src, &ch, 1);
}
/* Check if file_read was successful */
if (nread < 0)
{
ntotal = nread;
break;
}
/* Perform input processing */
/* \n -> \r or \r -> \n translation? */
if (ch == '\n' && (dev->pd_iflag & INLCR) != 0)
{
ch = '\r';
}
else if (ch == '\r' && (dev->pd_iflag & ICRNL) != 0)
{
ch = '\n';
}
/* Discarding \r ? Print character if (1) character is not \r or
* if (2) we were not asked to ignore \r.
*/
if (ch != '\r' || (dev->pd_iflag & IGNCR) == 0)
{
/* Transfer the (possibly translated) character and update the
* count of bytes transferred.
*/
*buffer++ = ch;
ntotal++;
}
}
}
else
#endif
{
/* NOTE: the source pipe will block if no data is available in
* the pipe. Otherwise, it will return data from the pipe. If
* there are fewer than 'len' bytes in the, it will return with
* ntotal < len.
*
* REVISIT: Should not block if the oflags include O_NONBLOCK.
* How would we ripple the O_NONBLOCK characteristic to the
* contained source pipe? file_vfcntl()? Or FIONREAD? See the
* TODO comment at the top of this file.
*/
ntotal = file_read(&dev->pd_src, buffer, len);
}
return ntotal;
}
asmlinkage long sys_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
{
struct file * filp;
unsigned int flag;
int on, error = -EBADF;
filp = fget(fd);
if (!filp)
goto out;
error = security_file_ioctl(filp, cmd, arg);
if (error) {
fput(filp);
goto out;
}
lock_kernel();
switch (cmd) {
case FIOCLEX:
set_close_on_exec(fd, 1);
break;
case FIONCLEX:
set_close_on_exec(fd, 0);
break;
case FIONBIO:
if ((error = get_user(on, (int __user *)arg)) != 0)
break;
flag = O_NONBLOCK;
#ifdef __sparc__
/* SunOS compatibility item. */
if(O_NONBLOCK != O_NDELAY)
flag |= O_NDELAY;
#endif
if (on)
filp->f_flags |= flag;
else
filp->f_flags &= ~flag;
break;
case FIOASYNC:
if ((error = get_user(on, (int __user *)arg)) != 0)
break;
flag = on ? FASYNC : 0;
/* Did FASYNC state change ? */
if ((flag ^ filp->f_flags) & FASYNC) {
if (filp->f_op && filp->f_op->fasync)
error = filp->f_op->fasync(fd, filp, on);
else error = -ENOTTY;
}
if (error != 0)
break;
if (on)
filp->f_flags |= FASYNC;
else
filp->f_flags &= ~FASYNC;
break;
case FIOQSIZE:
if (S_ISDIR(filp->f_dentry->d_inode->i_mode) ||
S_ISREG(filp->f_dentry->d_inode->i_mode) ||
S_ISLNK(filp->f_dentry->d_inode->i_mode)) {
loff_t res = inode_get_bytes(filp->f_dentry->d_inode);
error = copy_to_user((loff_t __user *)arg, &res, sizeof(res)) ? -EFAULT : 0;
}
else
error = -ENOTTY;
break;
default:
error = -ENOTTY;
if (S_ISREG(filp->f_dentry->d_inode->i_mode))
error = file_ioctl(filp, cmd, arg);
else if (filp->f_op && filp->f_op->ioctl)
error = filp->f_op->ioctl(filp->f_dentry->d_inode, filp, cmd, arg);
}
unlock_kernel();
fput(filp);
out:
return error;
}
static int pty_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
{
FAR struct inode *inode;
FAR struct pty_dev_s *dev;
FAR struct pty_devpair_s *devpair;
int ret;
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
inode = filep->f_inode;
dev = inode->i_private;
DEBUGASSERT(dev != NULL && dev->pd_devpair != NULL);
devpair = dev->pd_devpair;
/* Get exclusive access */
pty_semtake(devpair);
/* Handle IOCTL commands */
switch (cmd)
{
/* PTY IOCTL commands would be handled here */
case TIOCGPTN: /* Get Pty Number (of pty-mux device): FAR int* */
{
#ifdef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
ret = -ENOSYS;
#else
FAR int *ptyno = (FAR int *)((uintptr_t)arg);
if (ptyno == NULL)
{
ret = -EINVAL;
}
else
{
*ptyno = (int)devpair->pp_minor;
ret = OK;
}
#endif
}
break;
case TIOCSPTLCK: /* Lock/unlock Pty: int */
{
if (arg == 0)
{
int sval;
/* Unlocking */
sched_lock();
devpair->pp_locked = false;
/* Release any waiting threads */
do
{
DEBUGVERIFY(sem_getvalue(&devpair->pp_slavesem, &sval));
if (sval < 0)
{
sem_post(&devpair->pp_slavesem);
}
}
while (sval < 0);
sched_unlock();
ret = OK;
}
else
{
/* Locking */
devpair->pp_locked = true;
ret = OK;
}
}
break;
case TIOCGPTLCK: /* Get Pty lock state: FAR int* */
{
FAR int *ptr = (FAR int *)((uintptr_t)arg);
if (ptr == NULL)
{
ret = -EINVAL;
}
else
{
*ptr = (int)devpair->pp_locked;
ret = OK;
}
}
break;
/* Any unrecognized IOCTL commands will be passed to the contained
* pipe driver.
*/
default:
{
ret = file_ioctl(&dev->pd_src, cmd, arg);
if (ret >= 0 || ret == -ENOTTY)
{
ret = file_ioctl(&dev->pd_sink, cmd, arg);
}
}
break;
}
pty_semgive(devpair);
return ret;
}
static long device_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
int ret = 0;
__u32 ui32 = 0;
__u16 ui16;
struct dvb_frontend_event event;
struct dvb_diseqc_master_cmd *sec;
struct dtv_properties *cmdseq;
struct dtv_property *tvp = NULL;
char raw[1 + 3 + 3];
td_fe t;
switch(cmd)
{
case FE_GET_INFO:
if (copy_to_user((struct dvb_frontend_info *)arg, &fe_info, sizeof(struct dvb_frontend_info)))
ret = -EFAULT;
break;
case FE_READ_STATUS:
file_ioctl(TD_FE_READ_STATUS_C, (__u32)&ui32);
put_user(ui32, (__u32 *)arg);
break;
case FE_READ_BER:
file_ioctl(TD_FE_SET_ERROR_SOURCE, ERR_SRC_VITERBI_BIT_ERRORS);
file_ioctl(TD_FE_GET_ERRORS, (__u32)&ui32);
put_user(ui32, (__u32 *)arg);
break;
case FE_READ_UNCORRECTED_BLOCKS:
file_ioctl(TD_FE_SET_ERROR_SOURCE, ERR_SRC_PACKET_ERRORS);
file_ioctl(TD_FE_GET_ERRORS, (__u32)&ui32);
put_user(ui32, (__u32 *)arg);
break;
case FE_READ_SIGNAL_STRENGTH:
file_ioctl(TD_FE_READ_SIGNAL_STRENGTH_C, (__u32)&ui16);
put_user(ui16, (__u16 *)arg);
break;
case FE_READ_SNR:
file_ioctl(TD_FE_READ_SNR_C, (__u32)&ui16);
put_user(ui16, (__u16 *)arg);
break;
case FE_GET_EVENT:
memset(&event, 0, sizeof(struct dvb_frontend_event));
file_ioctl(TD_FE_READ_STATUS_C, (__u32)&ui32);
event.status = ui32;
file_ioctl(TD_FE_SETUP_GET, (__u32)&t);
event.parameters.frequency = t.realfrq;
if (event.status & FE_HAS_LOCK)
file_ioctl(TD_FE_LOCKLED_ENABLE, 1);
/* if no poll before GET_EVENT => return error
this is adopted to neutrino userspace behaviour */
if (!polled)
ret = -EWOULDBLOCK;
if (copy_to_user((struct dvb_frontend_event *)arg, &event, sizeof(struct dvb_frontend_event)))
ret = -EFAULT;
polled = 0;
break;
case FE_SET_TONE:
if (arg == SEC_TONE_ON)
ui32 = 1;
tone = ui32;
ret = file_ioctl(TD_FE_22KHZ_ENABLE, ui32);
break;
case FE_SET_VOLTAGE:
if (arg == SEC_VOLTAGE_OFF) {
pol = SEC_VOLTAGE_OFF;
tone = 0;
file_ioctl(TD_FE_LOCKLED_ENABLE, 0);
file_ioctl(TD_FE_LNB_ENABLE, 0);
file_ioctl(TD_FE_22KHZ_ENABLE, 0);
file_ioctl(TD_FE_SET_STANDBY, 1);
file_ioctl(TD_FE_LNBLOOPTHROUGH, 1);
break;
}
if (pol == SEC_VOLTAGE_OFF) {
file_ioctl(TD_FE_DISEQC_MODE, DISEQC_MODE_CMD_ONLY);
file_ioctl(TD_FE_LNBLOOPTHROUGH, 0);
file_ioctl(TD_FE_SET_STANDBY, 0);
file_ioctl(TD_FE_HARDRESET, 0);
file_ioctl(TD_FE_INIT, 0);
file_ioctl(TD_FE_LNB_ENABLE, 1);
file_ioctl(TD_FE_LNB_SET_HORIZONTAL, 0);
}
if (arg == SEC_VOLTAGE_13)
ui32 = 1;
pol = ui32;
ret = file_ioctl(TD_FE_LNB_SET_POLARISATION, ui32);
break;
case FE_DISEQC_SEND_MASTER_CMD:
sec = (struct dvb_diseqc_master_cmd *)arg;
memset(&raw[0], 0, 7);
raw[0] = sec->msg_len;
memcpy(&raw[1], sec->msg, sec->msg_len);
ret = file_ioctl(TD_FE_DISEQC_SEND, (__u32)&raw);
break;
case FE_DISEQC_SEND_BURST:
if (arg == SEC_MINI_B)
ui32 = 1;
ret = file_ioctl(TD_FE_DISEQC_SEND_BURST, ui32);
break;
case FE_SET_PROPERTY:
#define FREQUENCY 1
#define SYMBOL_RATE 4
#define DELIVERY_SYSTEM 5
cmdseq = (struct dtv_properties *)arg;
/* don't even try to tune to DVB-S2 */
if (cmdseq->props[DELIVERY_SYSTEM].u.data != SYS_DVBS) {
ret = -EINVAL;
break;
}
t.fec = 0; /* always AUTO_FEC */
t.frequency = cmdseq->props[FREQUENCY].u.data;
t.symbolrate = cmdseq->props[SYMBOL_RATE].u.data / 1000;
t.polarity = pol;
t.highband = tone;
file_ioctl(TD_FE_LOCKLED_ENABLE, 0);
file_ioctl(TD_FE_STOPTHAT, 0);
file_ioctl(TD_FE_SET_FRANGE, (int)(t.symbolrate / 500));
#ifdef USE_FINETUNE
file_ioctl(TD_FE_SETUP_NBF, (__u32)&t);
#else
file_ioctl(TD_FE_SETUP_NB, (__u32)&t);
#endif
break;
case FE_GET_PROPERTY:
cmdseq = (struct dtv_properties *)arg;
if (cmdseq->num != 1) { /* only DELSYS query supported for now */
ret = -EINVAL;
break;
}
tvp = kmalloc(cmdseq->num * sizeof(struct dtv_property), GFP_KERNEL);
if (!tvp) {
ret = -ENOMEM;
break;
}
if (copy_from_user(tvp, (void __user *)cmdseq->props,
cmdseq->num * sizeof(struct dtv_property))) {
ret = -EFAULT;
kfree(tvp);
break;
}
ret = -EINVAL;
if (tvp->cmd == DTV_ENUM_DELSYS) {
tvp->u.buffer.data[0] = SYS_DVBS;
tvp->u.buffer.len = 1;
tvp->result = 0;
ret = 0;
if (copy_to_user((void __user *)cmdseq->props, tvp,
cmdseq->num * sizeof(struct dtv_property)))
ret = -EFAULT;
}
kfree(tvp);
break;
default:
printk(KERN_ERR "td-dvb-fe: unhandled ioctl 0x%08x\n", cmd);
ret = -EINVAL;
break;
}
return ret;
}
/*
* When you add any new common ioctls to the switches above and below
* please update compat_sys_ioctl() too.
*
* do_vfs_ioctl() is not for drivers and not intended to be EXPORT_SYMBOL()'d.
* It's just a simple helper for sys_ioctl and compat_sys_ioctl.
*/
int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
unsigned long arg)
{
int error = 0;
int __user *argp = (int __user *)arg;
switch (cmd) {
case FIOCLEX:
set_close_on_exec(fd, 1);
break;
case FIONCLEX:
set_close_on_exec(fd, 0);
break;
case FIONBIO:
error = ioctl_fionbio(filp, argp);
break;
case FIOASYNC:
error = ioctl_fioasync(fd, filp, argp);
break;
case FIOQSIZE:
if (S_ISDIR(filp->f_path.dentry->d_inode->i_mode) ||
S_ISREG(filp->f_path.dentry->d_inode->i_mode) ||
S_ISLNK(filp->f_path.dentry->d_inode->i_mode)) {
loff_t res =
inode_get_bytes(filp->f_path.dentry->d_inode);
error = copy_to_user((loff_t __user *)arg, &res,
sizeof(res)) ? -EFAULT : 0;
} else
error = -ENOTTY;
break;
case FIFREEZE:
error = ioctl_fsfreeze(filp);
break;
case FITHAW:
error = ioctl_fsthaw(filp);
break;
case FS_IOC_FIEMAP:
return ioctl_fiemap(filp, arg);
case FIGETBSZ:
{
struct super_block *sb = filp->f_path.dentry->d_inode->i_sb;
int __user *p = (int __user *)arg;
if (sb->s_blocksize == 1ul << sb->s_blocksize_bits)
return put_user(sb->s_blocksize, p);
/* fail through */
}
default:
if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
error = file_ioctl(filp, cmd, arg);
else
error = vfs_ioctl(filp, cmd, arg);
break;
}
return error;
}
static int pty_ioctl(FAR struct file *filep, int cmd, unsigned long arg)
{
FAR struct inode *inode;
FAR struct pty_dev_s *dev;
FAR struct pty_devpair_s *devpair;
int ret;
DEBUGASSERT(filep != NULL && filep->f_inode != NULL);
inode = filep->f_inode;
dev = inode->i_private;
DEBUGASSERT(dev != NULL && dev->pd_devpair != NULL);
devpair = dev->pd_devpair;
/* Get exclusive access */
pty_semtake(devpair);
/* Handle IOCTL commands */
switch (cmd)
{
/* PTY IOCTL commands would be handled here */
case TIOCGPTN: /* Get Pty Number (of pty-mux device): FAR int* */
{
#ifdef CONFIG_DISABLE_PSEUDOFS_OPERATIONS
ret = -ENOSYS;
#else
FAR int *ptyno = (FAR int *)((uintptr_t)arg);
if (ptyno == NULL)
{
ret = -EINVAL;
}
else
{
*ptyno = (int)devpair->pp_minor;
ret = OK;
}
#endif
}
break;
case TIOCSPTLCK: /* Lock/unlock Pty: int */
{
if (arg == 0)
{
int sval;
/* Unlocking */
sched_lock();
devpair->pp_locked = false;
/* Release any waiting threads */
do
{
DEBUGVERIFY(nxsem_getvalue(&devpair->pp_slavesem, &sval));
if (sval < 0)
{
nxsem_post(&devpair->pp_slavesem);
}
}
while (sval < 0);
sched_unlock();
ret = OK;
}
else
{
/* Locking */
devpair->pp_locked = true;
ret = OK;
}
}
break;
case TIOCGPTLCK: /* Get Pty lock state: FAR int* */
{
FAR int *ptr = (FAR int *)((uintptr_t)arg);
if (ptr == NULL)
{
ret = -EINVAL;
}
else
{
*ptr = (int)devpair->pp_locked;
ret = OK;
}
}
break;
#ifdef CONFIG_SERIAL_TERMIOS
case TCGETS:
{
FAR struct termios *termiosp = (FAR struct termios *)arg;
if (!termiosp)
{
ret = -EINVAL;
break;
}
/* And update with flags from this layer */
termiosp->c_iflag = dev->pd_iflag;
termiosp->c_oflag = dev->pd_oflag;
termiosp->c_lflag = 0;
ret = OK;
}
break;
case TCSETS:
{
FAR struct termios *termiosp = (FAR struct termios *)arg;
if (!termiosp)
{
ret = -EINVAL;
break;
}
/* Update the flags we keep at this layer */
dev->pd_iflag = termiosp->c_iflag;
dev->pd_oflag = termiosp->c_oflag;
ret = OK;
}
break;
#endif
/* Get the number of bytes that are immediately available for reading
* from the source pipe.
*/
case FIONREAD:
{
ret = file_ioctl(&dev->pd_src, cmd, arg);
}
break;
/* Get the number of bytes waiting in the sink pipe (FIONWRITE) or the
* number of unused bytes in the sink pipe (FIONSPACE).
*/
case FIONWRITE:
case FIONSPACE:
{
ret = file_ioctl(&dev->pd_sink, cmd, arg);
}
break;
/* Any unrecognized IOCTL commands will be passed to the contained
* pipe driver.
*
* REVISIT: We know for a fact that the pipe driver only supports
* FIONREAD, FIONWRITE, FIONSPACE and PIPEIOC_POLICY. The first two
* are handled above and PIPEIOC_POLICY should not be managed by
* applications -- it can break the PTY!
*/
default:
{
#if 0
ret = file_ioctl(&dev->pd_src, cmd, arg);
if (ret >= 0 || ret == -ENOTTY)
{
ret = file_ioctl(&dev->pd_sink, cmd, arg);
}
#else
ret = ENOTTY;
#endif
}
break;
}
pty_semgive(devpair);
return ret;
}
/*
* When you add any new common ioctls to the switches above and below
* please update compat_sys_ioctl() too.
*
* vfs_ioctl() is not for drivers and not intended to be EXPORT_SYMBOL()'d.
* It's just a simple helper for sys_ioctl and compat_sys_ioctl.
*/
int vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd, unsigned long arg)
{
unsigned int flag;
int on, error = 0;
switch (cmd) {
case FIOCLEX:
set_close_on_exec(fd, 1);
break;
case FIONCLEX:
set_close_on_exec(fd, 0);
break;
case FIONBIO:
if ((error = get_user(on, (int __user *)arg)) != 0)
break;
flag = O_NONBLOCK;
#ifdef __sparc__
/* SunOS compatibility item. */
if(O_NONBLOCK != O_NDELAY)
flag |= O_NDELAY;
#endif
if (on)
filp->f_flags |= flag;
else
filp->f_flags &= ~flag;
break;
case FIOASYNC:
if ((error = get_user(on, (int __user *)arg)) != 0)
break;
flag = on ? FASYNC : 0;
/* Did FASYNC state change ? */
if ((flag ^ filp->f_flags) & FASYNC) {
if (filp->f_op && filp->f_op->fasync) {
lock_kernel();
error = filp->f_op->fasync(fd, filp, on);
unlock_kernel();
}
else error = -ENOTTY;
}
if (error != 0)
break;
if (on)
filp->f_flags |= FASYNC;
else
filp->f_flags &= ~FASYNC;
break;
case FIOQSIZE:
if (S_ISDIR(filp->f_dentry->d_inode->i_mode) ||
S_ISREG(filp->f_dentry->d_inode->i_mode) ||
S_ISLNK(filp->f_dentry->d_inode->i_mode)) {
loff_t res = inode_get_bytes(filp->f_dentry->d_inode);
error = copy_to_user((loff_t __user *)arg, &res, sizeof(res)) ? -EFAULT : 0;
}
else
error = -ENOTTY;
break;
case FIFREEZE:
error = ioctl_fsfreeze(filp);
break;
case FITHAW:
error = ioctl_fsthaw(filp);
break;
default:
if (S_ISREG(filp->f_dentry->d_inode->i_mode))
error = file_ioctl(filp, cmd, arg);
else
error = do_ioctl(filp, cmd, arg);
break;
}
return error;
}
/*
* When you add any new common ioctls to the switches above and below
* please update compat_sys_ioctl() too.
*
* do_vfs_ioctl() is not for drivers and not intended to be EXPORT_SYMBOL()'d.
* It's just a simple helper for sys_ioctl and compat_sys_ioctl.
*/
int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
unsigned long arg)
{
int error = 0;
int __user *argp = (int __user *)arg;
#ifdef CONFIG_LTT_LITE
char ltt_string[LTT_LITE_MAX_LOG_STRING_SIZE];
sprintf(ltt_string, "fd=%X/cmd=%X/arg=%X/pid=%d\n", fd,
cmd, (int)arg, current->pid);
ltt_lite_syscall_param(LTT_EV_FILE_SYSTEM_IOCTL, ltt_string,
strlen(ltt_string));
sprintf(ltt_string, "f_op=%X/pid=%d\n", (int)filp->f_op, current->pid);
ltt_lite_syscall_param(LTT_EV_FILE_SYSTEM_IOCTL, ltt_string,
strlen(ltt_string));
#endif
switch (cmd) {
case FIOCLEX:
set_close_on_exec(fd, 1);
break;
case FIONCLEX:
set_close_on_exec(fd, 0);
break;
case FIONBIO:
/* BKL needed to avoid races tweaking f_flags */
lock_kernel();
error = ioctl_fionbio(filp, argp);
unlock_kernel();
break;
case FIOASYNC:
/* BKL needed to avoid races tweaking f_flags */
lock_kernel();
error = ioctl_fioasync(fd, filp, argp);
unlock_kernel();
break;
case FIOQSIZE:
if (S_ISDIR(filp->f_path.dentry->d_inode->i_mode) ||
S_ISREG(filp->f_path.dentry->d_inode->i_mode) ||
S_ISLNK(filp->f_path.dentry->d_inode->i_mode)) {
loff_t res =
inode_get_bytes(filp->f_path.dentry->d_inode);
error = copy_to_user((loff_t __user *)arg, &res,
sizeof(res)) ? -EFAULT : 0;
} else
error = -ENOTTY;
break;
case FIFREEZE:
error = ioctl_fsfreeze(filp);
break;
case FITHAW:
error = ioctl_fsthaw(filp);
break;
default:
if (S_ISREG(filp->f_path.dentry->d_inode->i_mode))
error = file_ioctl(filp, cmd, arg);
else
error = vfs_ioctl(filp, cmd, arg);
break;
}
return error;
}
