diff options
Diffstat (limited to 'drivers/misc/ibmasm/ibmasmfs.c')
-rw-r--r-- | drivers/misc/ibmasm/ibmasmfs.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/drivers/misc/ibmasm/ibmasmfs.c b/drivers/misc/ibmasm/ibmasmfs.c index c87ef7d82b70..ca839162e4f7 100644 --- a/drivers/misc/ibmasm/ibmasmfs.c +++ b/drivers/misc/ibmasm/ibmasmfs.c | |||
@@ -37,9 +37,7 @@ | |||
37 | * | |-- event | 37 | * | |-- event |
38 | * | |-- reverse_heartbeat | 38 | * | |-- reverse_heartbeat |
39 | * | `-- remote_video | 39 | * | `-- remote_video |
40 | * | |-- connected | ||
41 | * | |-- depth | 40 | * | |-- depth |
42 | * | |-- events | ||
43 | * | |-- height | 41 | * | |-- height |
44 | * | `-- width | 42 | * | `-- width |
45 | * . | 43 | * . |
@@ -50,9 +48,7 @@ | |||
50 | * |-- event | 48 | * |-- event |
51 | * |-- reverse_heartbeat | 49 | * |-- reverse_heartbeat |
52 | * `-- remote_video | 50 | * `-- remote_video |
53 | * |-- connected | ||
54 | * |-- depth | 51 | * |-- depth |
55 | * |-- events | ||
56 | * |-- height | 52 | * |-- height |
57 | * `-- width | 53 | * `-- width |
58 | * | 54 | * |
@@ -75,14 +71,6 @@ | |||
75 | * remote_video/width: control remote display settings | 71 | * remote_video/width: control remote display settings |
76 | * write: set value | 72 | * write: set value |
77 | * read: read value | 73 | * read: read value |
78 | * | ||
79 | * remote_video/connected | ||
80 | * read: return "1" if web browser VNC java applet is connected, | ||
81 | * "0" otherwise | ||
82 | * | ||
83 | * remote_video/events | ||
84 | * read: sleep until a remote mouse or keyboard event occurs, then return | ||
85 | * then event. | ||
86 | */ | 74 | */ |
87 | 75 | ||
88 | #include <linux/fs.h> | 76 | #include <linux/fs.h> |
@@ -593,75 +581,6 @@ static ssize_t remote_settings_file_write(struct file *file, const char __user * | |||
593 | return count; | 581 | return count; |
594 | } | 582 | } |
595 | 583 | ||
596 | static int remote_event_file_open(struct inode *inode, struct file *file) | ||
597 | { | ||
598 | struct service_processor *sp; | ||
599 | unsigned long flags; | ||
600 | struct remote_queue *q; | ||
601 | |||
602 | file->private_data = inode->u.generic_ip; | ||
603 | sp = file->private_data; | ||
604 | q = &sp->remote_queue; | ||
605 | |||
606 | /* allow only one event reader */ | ||
607 | spin_lock_irqsave(&sp->lock, flags); | ||
608 | if (q->open) { | ||
609 | spin_unlock_irqrestore(&sp->lock, flags); | ||
610 | return -EBUSY; | ||
611 | } | ||
612 | q->open = 1; | ||
613 | spin_unlock_irqrestore(&sp->lock, flags); | ||
614 | |||
615 | enable_mouse_interrupts(sp); | ||
616 | |||
617 | return 0; | ||
618 | } | ||
619 | |||
620 | static int remote_event_file_close(struct inode *inode, struct file *file) | ||
621 | { | ||
622 | struct service_processor *sp = file->private_data; | ||
623 | |||
624 | disable_mouse_interrupts(sp); | ||
625 | wake_up_interruptible(&sp->remote_queue.wait); | ||
626 | sp->remote_queue.open = 0; | ||
627 | |||
628 | return 0; | ||
629 | } | ||
630 | |||
631 | static ssize_t remote_event_file_read(struct file *file, char __user *buf, size_t count, loff_t *offset) | ||
632 | { | ||
633 | struct service_processor *sp = file->private_data; | ||
634 | struct remote_queue *q = &sp->remote_queue; | ||
635 | size_t data_size; | ||
636 | struct remote_event *reader = q->reader; | ||
637 | size_t num_events; | ||
638 | |||
639 | if (*offset < 0) | ||
640 | return -EINVAL; | ||
641 | if (count == 0 || count > 1024) | ||
642 | return 0; | ||
643 | if (*offset != 0) | ||
644 | return 0; | ||
645 | |||
646 | if (wait_event_interruptible(q->wait, q->reader != q->writer)) | ||
647 | return -ERESTARTSYS; | ||
648 | |||
649 | /* only get multiples of struct remote_event */ | ||
650 | num_events = min((count/sizeof(struct remote_event)), ibmasm_events_available(q)); | ||
651 | if (!num_events) | ||
652 | return 0; | ||
653 | |||
654 | data_size = num_events * sizeof(struct remote_event); | ||
655 | |||
656 | if (copy_to_user(buf, reader, data_size)) | ||
657 | return -EFAULT; | ||
658 | |||
659 | ibmasm_advance_reader(q, num_events); | ||
660 | |||
661 | return data_size; | ||
662 | } | ||
663 | |||
664 | |||
665 | static struct file_operations command_fops = { | 584 | static struct file_operations command_fops = { |
666 | .open = command_file_open, | 585 | .open = command_file_open, |
667 | .release = command_file_close, | 586 | .release = command_file_close, |
@@ -690,12 +609,6 @@ static struct file_operations remote_settings_fops = { | |||
690 | .write = remote_settings_file_write, | 609 | .write = remote_settings_file_write, |
691 | }; | 610 | }; |
692 | 611 | ||
693 | static struct file_operations remote_event_fops = { | ||
694 | .open = remote_event_file_open, | ||
695 | .release = remote_event_file_close, | ||
696 | .read = remote_event_file_read, | ||
697 | }; | ||
698 | |||
699 | 612 | ||
700 | static void ibmasmfs_create_files (struct super_block *sb, struct dentry *root) | 613 | static void ibmasmfs_create_files (struct super_block *sb, struct dentry *root) |
701 | { | 614 | { |
@@ -721,7 +634,5 @@ static void ibmasmfs_create_files (struct super_block *sb, struct dentry *root) | |||
721 | ibmasmfs_create_file(sb, remote_dir, "width", &remote_settings_fops, (void *)display_width(sp), S_IRUSR|S_IWUSR); | 634 | ibmasmfs_create_file(sb, remote_dir, "width", &remote_settings_fops, (void *)display_width(sp), S_IRUSR|S_IWUSR); |
722 | ibmasmfs_create_file(sb, remote_dir, "height", &remote_settings_fops, (void *)display_height(sp), S_IRUSR|S_IWUSR); | 635 | ibmasmfs_create_file(sb, remote_dir, "height", &remote_settings_fops, (void *)display_height(sp), S_IRUSR|S_IWUSR); |
723 | ibmasmfs_create_file(sb, remote_dir, "depth", &remote_settings_fops, (void *)display_depth(sp), S_IRUSR|S_IWUSR); | 636 | ibmasmfs_create_file(sb, remote_dir, "depth", &remote_settings_fops, (void *)display_depth(sp), S_IRUSR|S_IWUSR); |
724 | ibmasmfs_create_file(sb, remote_dir, "connected", &remote_settings_fops, (void *)vnc_status(sp), S_IRUSR); | ||
725 | ibmasmfs_create_file(sb, remote_dir, "events", &remote_event_fops, (void *)sp, S_IRUSR); | ||
726 | } | 637 | } |
727 | } | 638 | } |