diff options
Diffstat (limited to 'drivers')
51 files changed, 1245 insertions, 1107 deletions
diff --git a/drivers/base/power/suspend.c b/drivers/base/power/suspend.c index 8660779fb288..bdb60663f2ef 100644 --- a/drivers/base/power/suspend.c +++ b/drivers/base/power/suspend.c @@ -8,6 +8,7 @@ * */ +#include <linux/vt_kern.h> #include <linux/device.h> #include "../base.h" #include "power.h" @@ -62,7 +63,6 @@ int suspend_device(struct device * dev, pm_message_t state) return error; } - /** * device_suspend - Save state and stop all devices in system. * @state: Power state to put each device in. @@ -82,6 +82,9 @@ int device_suspend(pm_message_t state) { int error = 0; + if (!is_console_suspend_safe()) + return -EINVAL; + down(&dpm_sem); down(&dpm_list_sem); while (!list_empty(&dpm_active) && error == 0) { diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index cf39cf9aac25..e29b8926f80e 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -3268,8 +3268,8 @@ clean2: unregister_blkdev(hba[i]->major, hba[i]->devname); clean1: release_io_mem(hba[i]); - free_hba(i); hba[i]->busy_initializing = 0; + free_hba(i); return(-1); } diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index d23b54332d7e..fb2d0be7cdeb 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -179,6 +179,7 @@ static int print_unex = 1; #include <linux/devfs_fs_kernel.h> #include <linux/platform_device.h> #include <linux/buffer_head.h> /* for invalidate_buffers() */ +#include <linux/mutex.h> /* * PS/2 floppies have much slower step rates than regular floppies. @@ -413,7 +414,7 @@ static struct floppy_write_errors write_errors[N_DRIVE]; static struct timer_list motor_off_timer[N_DRIVE]; static struct gendisk *disks[N_DRIVE]; static struct block_device *opened_bdev[N_DRIVE]; -static DECLARE_MUTEX(open_lock); +static DEFINE_MUTEX(open_lock); static struct floppy_raw_cmd *raw_cmd, default_raw_cmd; /* @@ -3333,7 +3334,7 @@ static inline int set_geometry(unsigned int cmd, struct floppy_struct *g, if (type) { if (!capable(CAP_SYS_ADMIN)) return -EPERM; - down(&open_lock); + mutex_lock(&open_lock); LOCK_FDC(drive, 1); floppy_type[type] = *g; floppy_type[type].name = "user format"; @@ -3347,7 +3348,7 @@ static inline int set_geometry(unsigned int cmd, struct floppy_struct *g, continue; __invalidate_device(bdev); } - up(&open_lock); + mutex_unlock(&open_lock); } else { int oldStretch; LOCK_FDC(drive, 1); @@ -3674,7 +3675,7 @@ static int floppy_release(struct inode *inode, struct file *filp) { int drive = (long)inode->i_bdev->bd_disk->private_data; - down(&open_lock); + mutex_lock(&open_lock); if (UDRS->fd_ref < 0) UDRS->fd_ref = 0; else if (!UDRS->fd_ref--) { @@ -3684,7 +3685,7 @@ static int floppy_release(struct inode *inode, struct file *filp) if (!UDRS->fd_ref) opened_bdev[drive] = NULL; floppy_release_irq_and_dma(); - up(&open_lock); + mutex_unlock(&open_lock); return 0; } @@ -3702,7 +3703,7 @@ static int floppy_open(struct inode *inode, struct file *filp) char *tmp; filp->private_data = (void *)0; - down(&open_lock); + mutex_lock(&open_lock); old_dev = UDRS->fd_device; if (opened_bdev[drive] && opened_bdev[drive] != inode->i_bdev) goto out2; @@ -3785,7 +3786,7 @@ static int floppy_open(struct inode *inode, struct file *filp) if ((filp->f_mode & 2) && !(UTESTF(FD_DISK_WRITABLE))) goto out; } - up(&open_lock); + mutex_unlock(&open_lock); return 0; out: if (UDRS->fd_ref < 0) @@ -3796,7 +3797,7 @@ out: opened_bdev[drive] = NULL; floppy_release_irq_and_dma(); out2: - up(&open_lock); + mutex_unlock(&open_lock); return res; } diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 0010704739e3..74bf0255e98f 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1144,7 +1144,7 @@ static int lo_ioctl(struct inode * inode, struct file * file, struct loop_device *lo = inode->i_bdev->bd_disk->private_data; int err; - down(&lo->lo_ctl_mutex); + mutex_lock(&lo->lo_ctl_mutex); switch (cmd) { case LOOP_SET_FD: err = loop_set_fd(lo, file, inode->i_bdev, arg); @@ -1170,7 +1170,7 @@ static int lo_ioctl(struct inode * inode, struct file * file, default: err = lo->ioctl ? lo->ioctl(lo, cmd, arg) : -EINVAL; } - up(&lo->lo_ctl_mutex); + mutex_unlock(&lo->lo_ctl_mutex); return err; } @@ -1178,9 +1178,9 @@ static int lo_open(struct inode *inode, struct file *file) { struct loop_device *lo = inode->i_bdev->bd_disk->private_data; - down(&lo->lo_ctl_mutex); + mutex_lock(&lo->lo_ctl_mutex); lo->lo_refcnt++; - up(&lo->lo_ctl_mutex); + mutex_unlock(&lo->lo_ctl_mutex); return 0; } @@ -1189,9 +1189,9 @@ static int lo_release(struct inode *inode, struct file *file) { struct loop_device *lo = inode->i_bdev->bd_disk->private_data; - down(&lo->lo_ctl_mutex); + mutex_lock(&lo->lo_ctl_mutex); --lo->lo_refcnt; - up(&lo->lo_ctl_mutex); + mutex_unlock(&lo->lo_ctl_mutex); return 0; } @@ -1233,12 +1233,12 @@ int loop_unregister_transfer(int number) xfer_funcs[n] = NULL; for (lo = &loop_dev[0]; lo < &loop_dev[max_loop]; lo++) { - down(&lo->lo_ctl_mutex); + mutex_lock(&lo->lo_ctl_mutex); if (lo->lo_encryption == xfer) loop_release_xfer(lo); - up(&lo->lo_ctl_mutex); + mutex_unlock(&lo->lo_ctl_mutex); } return 0; @@ -1285,7 +1285,7 @@ static int __init loop_init(void) lo->lo_queue = blk_alloc_queue(GFP_KERNEL); if (!lo->lo_queue) goto out_mem4; - init_MUTEX(&lo->lo_ctl_mutex); + mutex_init(&lo->lo_ctl_mutex); init_completion(&lo->lo_done); init_completion(&lo->lo_bh_done); lo->lo_number = i; diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index 6997d8e6bfb5..a9bde30dadad 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -459,9 +459,9 @@ static void do_nbd_request(request_queue_t * q) req->errors = 0; spin_unlock_irq(q->queue_lock); - down(&lo->tx_lock); + mutex_lock(&lo->tx_lock); if (unlikely(!lo->sock)) { - up(&lo->tx_lock); + mutex_unlock(&lo->tx_lock); printk(KERN_ERR "%s: Attempted send on closed socket\n", lo->disk->disk_name); req->errors++; @@ -484,7 +484,7 @@ static void do_nbd_request(request_queue_t * q) } lo->active_req = NULL; - up(&lo->tx_lock); + mutex_unlock(&lo->tx_lock); wake_up_all(&lo->active_wq); spin_lock_irq(q->queue_lock); @@ -534,9 +534,9 @@ static int nbd_ioctl(struct inode *inode, struct file *file, case NBD_CLEAR_SOCK: error = 0; - down(&lo->tx_lock); + mutex_lock(&lo->tx_lock); lo->sock = NULL; - up(&lo->tx_lock); + mutex_unlock(&lo->tx_lock); file = lo->file; lo->file = NULL; nbd_clear_que(lo); @@ -590,7 +590,7 @@ static int nbd_ioctl(struct inode *inode, struct file *file, * FIXME: This code is duplicated from sys_shutdown, but * there should be a more generic interface rather than * calling socket ops directly here */ - down(&lo->tx_lock); + mutex_lock(&lo->tx_lock); if (lo->sock) { printk(KERN_WARNING "%s: shutting down socket\n", lo->disk->disk_name); @@ -598,7 +598,7 @@ static int nbd_ioctl(struct inode *inode, struct file *file, SEND_SHUTDOWN|RCV_SHUTDOWN); lo->sock = NULL; } - up(&lo->tx_lock); + mutex_unlock(&lo->tx_lock); file = lo->file; lo->file = NULL; nbd_clear_que(lo); @@ -683,7 +683,7 @@ static int __init nbd_init(void) nbd_dev[i].flags = 0; spin_lock_init(&nbd_dev[i].queue_lock); INIT_LIST_HEAD(&nbd_dev[i].queue_head); - init_MUTEX(&nbd_dev[i].tx_lock); + mutex_init(&nbd_dev[i].tx_lock); init_waitqueue_head(&nbd_dev[i].active_wq); nbd_dev[i].blksize = 1024; nbd_dev[i].bytesize = 0x7ffffc00ULL << 10; /* 2TB */ diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 476a5b553f34..1d261f985f31 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -56,6 +56,7 @@ #include <linux/seq_file.h> #include <linux/miscdevice.h> #include <linux/suspend.h> +#include <linux/mutex.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_ioctl.h> #include <scsi/scsi.h> @@ -81,7 +82,7 @@ static struct pktcdvd_device *pkt_devs[MAX_WRITERS]; static struct proc_dir_entry *pkt_proc; static int pkt_major; -static struct semaphore ctl_mutex; /* Serialize open/close/setup/teardown */ +static struct mutex ctl_mutex; /* Serialize open/close/setup/teardown */ static mempool_t *psd_pool; @@ -2018,7 +2019,7 @@ static int pkt_open(struct inode *inode, struct file *file) VPRINTK("pktcdvd: entering open\n"); - down(&ctl_mutex); + mutex_lock(&ctl_mutex); pd = pkt_find_dev_from_minor(iminor(inode)); if (!pd) { ret = -ENODEV; @@ -2044,14 +2045,14 @@ static int pkt_open(struct inode *inode, struct file *file) set_blocksize(inode->i_bdev, CD_FRAMESIZE); } - up(&ctl_mutex); + mutex_unlock(&ctl_mutex); return 0; out_dec: pd->refcnt--; out: VPRINTK("pktcdvd: failed open (%d)\n", ret); - up(&ctl_mutex); + mutex_unlock(&ctl_mutex); return ret; } @@ -2060,14 +2061,14 @@ static int pkt_close(struct inode *inode, struct file *file) struct pktcdvd_device *pd = inode->i_bdev->bd_disk->private_data; int ret = 0; - down(&ctl_mutex); + mutex_lock(&ctl_mutex); pd->refcnt--; BUG_ON(pd->refcnt < 0); if (pd->refcnt == 0) { int flush = test_bit(PACKET_WRITABLE, &pd->flags); pkt_release_dev(pd, flush); } - up(&ctl_mutex); + mutex_unlock(&ctl_mutex); return ret; } @@ -2596,21 +2597,21 @@ static int pkt_ctl_ioctl(struct inode *inode, struct file *file, unsigned int cm case PKT_CTRL_CMD_SETUP: if (!capable(CAP_SYS_ADMIN)) return -EPERM; - down(&ctl_mutex); + mutex_lock(&ctl_mutex); ret = pkt_setup_dev(&ctrl_cmd); - up(&ctl_mutex); + mutex_unlock(&ctl_mutex); break; case PKT_CTRL_CMD_TEARDOWN: if (!capable(CAP_SYS_ADMIN)) return -EPERM; - down(&ctl_mutex); + mutex_lock(&ctl_mutex); ret = pkt_remove_dev(&ctrl_cmd); - up(&ctl_mutex); + mutex_unlock(&ctl_mutex); break; case PKT_CTRL_CMD_STATUS: - down(&ctl_mutex); + mutex_lock(&ctl_mutex); pkt_get_status(&ctrl_cmd); - up(&ctl_mutex); + mutex_unlock(&ctl_mutex); break; default: return -ENOTTY; @@ -2656,7 +2657,7 @@ static int __init pkt_init(void) goto out; } - init_MUTEX(&ctl_mutex); + mutex_init(&ctl_mutex); pkt_proc = proc_mkdir("pktcdvd", proc_root_driver); diff --git a/drivers/block/rd.c b/drivers/block/rd.c index ffd6abd6d5a0..1c54f46d3f70 100644 --- a/drivers/block/rd.c +++ b/drivers/block/rd.c @@ -310,12 +310,12 @@ static int rd_ioctl(struct inode *inode, struct file *file, * cache */ error = -EBUSY; - down(&bdev->bd_sem); + mutex_lock(&bdev->bd_mutex); if (bdev->bd_openers <= 2) { truncate_inode_pages(bdev->bd_inode->i_mapping, 0); error = 0; } - up(&bdev->bd_sem); + mutex_unlock(&bdev->bd_mutex); return error; } diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c index 879bbc26ce96..a59876a0bfa1 100644 --- a/drivers/cdrom/cdrom.c +++ b/drivers/cdrom/cdrom.c @@ -407,7 +407,6 @@ int register_cdrom(struct cdrom_device_info *cdi) ENSURE(get_mcn, CDC_MCN); ENSURE(reset, CDC_RESET); ENSURE(audio_ioctl, CDC_PLAY_AUDIO); - ENSURE(dev_ioctl, CDC_IOCTLS); ENSURE(generic_packet, CDC_GENERIC_PACKET); cdi->mc_flags = 0; cdo->n_minors = 0; @@ -2196,395 +2195,586 @@ retry: return cdrom_read_cdda_old(cdi, ubuf, lba, nframes); } -/* Just about every imaginable ioctl is supported in the Uniform layer - * these days. ATAPI / SCSI specific code now mainly resides in - * mmc_ioct(). - */ -int cdrom_ioctl(struct file * file, struct cdrom_device_info *cdi, - struct inode *ip, unsigned int cmd, unsigned long arg) +static int cdrom_ioctl_multisession(struct cdrom_device_info *cdi, + void __user *argp) { - struct cdrom_device_ops *cdo = cdi->ops; + struct cdrom_multisession ms_info; + u8 requested_format; int ret; - /* Try the generic SCSI command ioctl's first.. */ - ret = scsi_cmd_ioctl(file, ip->i_bdev->bd_disk, cmd, (void __user *)arg); - if (ret != -ENOTTY) + cdinfo(CD_DO_IOCTL, "entering CDROMMULTISESSION\n"); + + if (!(cdi->ops->capability & CDC_MULTI_SESSION)) + return -ENOSYS; + + if (copy_from_user(&ms_info, argp, sizeof(ms_info))) + return -EFAULT; + + requested_format = ms_info.addr_format; + if (requested_format != CDROM_MSF && requested_format != CDROM_LBA) + return -EINVAL; + ms_info.addr_format = CDROM_LBA; + + ret = cdi->ops->get_last_session(cdi, &ms_info); + if (ret) return ret; - /* the first few commands do not deal with audio drive_info, but - only with routines in cdrom device operations. */ - switch (cmd) { - case CDROMMULTISESSION: { - struct cdrom_multisession ms_info; - u_char requested_format; - cdinfo(CD_DO_IOCTL, "entering CDROMMULTISESSION\n"); - if (!(cdo->capability & CDC_MULTI_SESSION)) - return -ENOSYS; - IOCTL_IN(arg, struct cdrom_multisession, ms_info); - requested_format = ms_info.addr_format; - if (!((requested_format == CDROM_MSF) || - (requested_format == CDROM_LBA))) - return -EINVAL; - ms_info.addr_format = CDROM_LBA; - if ((ret=cdo->get_last_session(cdi, &ms_info))) + sanitize_format(&ms_info.addr, &ms_info.addr_format, requested_format); + + if (copy_to_user(argp, &ms_info, sizeof(ms_info))) + return -EFAULT; + + cdinfo(CD_DO_IOCTL, "CDROMMULTISESSION successful\n"); + return 0; +} + +static int cdrom_ioctl_eject(struct cdrom_device_info *cdi) +{ + cdinfo(CD_DO_IOCTL, "entering CDROMEJECT\n"); + + if (!CDROM_CAN(CDC_OPEN_TRAY)) + return -ENOSYS; + if (cdi->use_count != 1 || keeplocked) + return -EBUSY; + if (CDROM_CAN(CDC_LOCK)) { + int ret = cdi->ops->lock_door(cdi, 0); + if (ret) return ret; - sanitize_format(&ms_info.addr, &ms_info.addr_format, - requested_format); - IOCTL_OUT(arg, struct cdrom_multisession, ms_info); - cdinfo(CD_DO_IOCTL, "CDROMMULTISESSION successful\n"); - return 0; - } + } - case CDROMEJECT: { - cdinfo(CD_DO_IOCTL, "entering CDROMEJECT\n"); - if (!CDROM_CAN(CDC_OPEN_TRAY)) - return -ENOSYS; - if (cdi->use_count != 1 || keeplocked) - return -EBUSY; - if (CDROM_CAN(CDC_LOCK)) - if ((ret=cdo->lock_door(cdi, 0))) - return ret; + return cdi->ops->tray_move(cdi, 1); +} - return cdo->tray_move(cdi, 1); - } +static int cdrom_ioctl_closetray(struct cdrom_device_info *cdi) +{ + cdinfo(CD_DO_IOCTL, "entering CDROMCLOSETRAY\n"); - case CDROMCLOSETRAY: { - cdinfo(CD_DO_IOCTL, "entering CDROMCLOSETRAY\n"); - if (!CDROM_CAN(CDC_CLOSE_TRAY)) - return -ENOSYS; - return cdo->tray_move(cdi, 0); - } + if (!CDROM_CAN(CDC_CLOSE_TRAY)) + return -ENOSYS; + return cdi->ops->tray_move(cdi, 0); +} - case CDROMEJECT_SW: { - cdinfo(CD_DO_IOCTL, "entering CDROMEJECT_SW\n"); - if (!CDROM_CAN(CDC_OPEN_TRAY)) - return -ENOSYS; - if (keeplocked) - return -EBUSY; - cdi->options &= ~(CDO_AUTO_CLOSE | CDO_AUTO_EJECT); - if (arg) - cdi->options |= CDO_AUTO_CLOSE | CDO_AUTO_EJECT; - return 0; - } +static int cdrom_ioctl_eject_sw(struct cdrom_device_info *cdi, + unsigned long arg) +{ + cdinfo(CD_DO_IOCTL, "entering CDROMEJECT_SW\n"); - case CDROM_MEDIA_CHANGED: { - struct cdrom_changer_info *info; - int changed; + if (!CDROM_CAN(CDC_OPEN_TRAY)) + return -ENOSYS; + if (keeplocked) + return -EBUSY; - cdinfo(CD_DO_IOCTL, "entering CDROM_MEDIA_CHANGED\n"); - if (!CDROM_CAN(CDC_MEDIA_CHANGED)) - return -ENOSYS; + cdi->options &= ~(CDO_AUTO_CLOSE | CDO_AUTO_EJECT); + if (arg) + cdi->options |= CDO_AUTO_CLOSE | CDO_AUTO_EJECT; + return 0; +} - /* cannot select disc or select current disc */ - if (!CDROM_CAN(CDC_SELECT_DISC) || arg == CDSL_CURRENT) - return media_changed(cdi, 1); +static int cdrom_ioctl_media_changed(struct cdrom_device_info *cdi, + unsigned long arg) +{ + struct cdrom_changer_info *info; + int ret; - if ((unsigned int)arg >= cdi->capacity) - return -EINVAL; + cdinfo(CD_DO_IOCTL, "entering CDROM_MEDIA_CHANGED\n"); - info = kmalloc(sizeof(*info), GFP_KERNEL); - if (!info) - return -ENOMEM; + if (!CDROM_CAN(CDC_MEDIA_CHANGED)) + return -ENOSYS; - if ((ret = cdrom_read_mech_status(cdi, info))) { - kfree(info); - return ret; - } + /* cannot select disc or select current disc */ + if (!CDROM_CAN(CDC_SELECT_DISC) || arg == CDSL_CURRENT) + return media_changed(cdi, 1); - changed = info->slots[arg].change; - kfree(info); - return changed; - } + if ((unsigned int)arg >= cdi->capacity) + return -EINVAL; - case CDROM_SET_OPTIONS: { - cdinfo(CD_DO_IOCTL, "entering CDROM_SET_OPTIONS\n"); - /* options need to be in sync with capability. too late for - that, so we have to check each one separately... */ - switch (arg) { - case CDO_USE_FFLAGS: - case CDO_CHECK_TYPE: - break; - case CDO_LOCK: - if (!CDROM_CAN(CDC_LOCK)) - return -ENOSYS; - break; - case 0: - return cdi->options; - /* default is basically CDO_[AUTO_CLOSE|AUTO_EJECT] */ - default: - if (!CDROM_CAN(arg)) - return -ENOSYS; - } - cdi->options |= (int) arg; - return cdi->options; - } + info = kmalloc(sizeof(*info), GFP_KERNEL); + if (!info) + return -ENOMEM; - case CDROM_CLEAR_OPTIONS: { - cdinfo(CD_DO_IOCTL, "entering CDROM_CLEAR_OPTIONS\n"); - cdi->options &= ~(int) arg; - return cdi->options; - } + ret = cdrom_read_mech_status(cdi, info); + if (!ret) + ret = info->slots[arg].change; + kfree(info); + return ret; +} - case CDROM_SELECT_SPEED: { - cdinfo(CD_DO_IOCTL, "entering CDROM_SELECT_SPEED\n"); - if (!CDROM_CAN(CDC_SELECT_SPEED)) - return -ENOSYS; - return cdo->select_speed(cdi, arg); - } +static int cdrom_ioctl_set_options(struct cdrom_device_info *cdi, + unsigned long arg) +{ + cdinfo(CD_DO_IOCTL, "entering CDROM_SET_OPTIONS\n"); - case CDROM_SELECT_DISC: { - cdinfo(CD_DO_IOCTL, "entering CDROM_SELECT_DISC\n"); - if (!CDROM_CAN(CDC_SELECT_DISC)) + /* + * Options need to be in sync with capability. + * Too late for that, so we have to check each one separately. + */ + switch (arg) { + case CDO_USE_FFLAGS: + case CDO_CHECK_TYPE: + break; + case CDO_LOCK: + if (!CDROM_CAN(CDC_LOCK)) + return -ENOSYS; + break; + case 0: + return cdi->options; + /* default is basically CDO_[AUTO_CLOSE|AUTO_EJECT] */ + default: + if (!CDROM_CAN(arg)) return -ENOSYS; + } + cdi->options |= (int) arg; + return cdi->options; +} - if ((arg != CDSL_CURRENT) && (arg != CDSL_NONE)) - if ((int)arg >= cdi->capacity) - return -EINVAL; - - /* cdo->select_disc is a hook to allow a driver-specific - * way of seleting disc. However, since there is no - * equiv hook for cdrom_slot_status this may not - * actually be useful... - */ - if (cdo->select_disc != NULL) - return cdo->select_disc(cdi, arg); - - /* no driver specific select_disc(), call our own */ - cdinfo(CD_CHANGER, "Using generic cdrom_select_disc()\n"); - return cdrom_select_disc(cdi, arg); - } +static int cdrom_ioctl_clear_options(struct cdrom_device_info *cdi, + unsigned long arg) +{ + cdinfo(CD_DO_IOCTL, "entering CDROM_CLEAR_OPTIONS\n"); - case CDROMRESET: { - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - cdinfo(CD_DO_IOCTL, "entering CDROM_RESET\n"); - if (!CDROM_CAN(CDC_RESET)) - return -ENOSYS; - invalidate_bdev(ip->i_bdev, 0); - return cdo->reset(cdi); - } + cdi->options &= ~(int) arg; + return cdi->options; +} - case CDROM_LOCKDOOR: { - cdinfo(CD_DO_IOCTL, "%socking door.\n", arg ? "L" : "Unl"); - if (!CDROM_CAN(CDC_LOCK)) - return -EDRIVE_CANT_DO_THIS; - keeplocked = arg ? 1 : 0; - /* don't unlock the door on multiple opens,but allow root - * to do so */ - if ((cdi->use_count != 1) && !arg && !capable(CAP_SYS_ADMIN)) - return -EBUSY; - return cdo->lock_door(cdi, arg); - } +static int cdrom_ioctl_select_speed(struct cdrom_device_info *cdi, + unsigned long arg) +{ + cdinfo(CD_DO_IOCTL, "entering CDROM_SELECT_SPEED\n"); - case CDROM_DEBUG: { - if (!capable(CAP_SYS_ADMIN)) - return -EACCES; - cdinfo(CD_DO_IOCTL, "%sabling debug.\n", arg ? "En" : "Dis"); - debug = arg ? 1 : 0; - return debug; - } + if (!CDROM_CAN(CDC_SELECT_SPEED)) + return -ENOSYS; + return cdi->ops->select_speed(cdi, arg); +} - case CDROM_GET_CAPABILITY: { - cdinfo(CD_DO_IOCTL, "entering CDROM_GET_CAPABILITY\n"); - return (cdo->capability & ~cdi->mask); - } +static int cdrom_ioctl_select_disc(struct cdrom_device_info *cdi, + unsigned long arg) +{ + cdinfo(CD_DO_IOCTL, "entering CDROM_SELECT_DISC\n"); + + if (!CDROM_CAN(CDC_SELECT_DISC)) + return -ENOSYS; + + if (arg != CDSL_CURRENT && arg != CDSL_NONE) { + if ((int)arg >= cdi->capacity) + return -EINVAL; + } + + /* + * ->select_disc is a hook to allow a driver-specific way of + * seleting disc. However, since there is no equivalent hook for + * cdrom_slot_status this may not actually be useful... + */ + if (cdi->ops->select_disc) + return cdi->ops->select_disc(cdi, arg); + + cdinfo(CD_CHANGER, "Using generic cdrom_select_disc()\n"); + return cdrom_select_disc(cdi, arg); +} + +static int cdrom_ioctl_reset(struct cdrom_device_info *cdi, + struct block_device *bdev) +{ + cdinfo(CD_DO_IOCTL, "entering CDROM_RESET\n"); + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + if (!CDROM_CAN(CDC_RESET)) + return -ENOSYS; + invalidate_bdev(bdev, 0); + return cdi->ops->reset(cdi); +} + +static int cdrom_ioctl_lock_door(struct cdrom_device_info *cdi, + unsigned long arg) +{ + cdinfo(CD_DO_IOCTL, "%socking door.\n", arg ? "L" : "Unl"); + + if (!CDROM_CAN(CDC_LOCK)) + return -EDRIVE_CANT_DO_THIS; + + keeplocked = arg ? 1 : 0; + + /* + * Don't unlock the door on multiple opens by default, but allow + * root to do so. + */ + if (cdi->use_count != 1 && !arg && !capable(CAP_SYS_ADMIN)) + return -EBUSY; + return cdi->ops->lock_door(cdi, arg); +} + +static int cdrom_ioctl_debug(struct cdrom_device_info *cdi, + unsigned long arg) +{ + cdinfo(CD_DO_IOCTL, "%sabling debug.\n", arg ? "En" : "Dis"); + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + debug = arg ? 1 : 0; + return debug; +} -/* The following function is implemented, although very few audio +static int cdrom_ioctl_get_capability(struct cdrom_device_info *cdi) +{ + cdinfo(CD_DO_IOCTL, "entering CDROM_GET_CAPABILITY\n"); + return (cdi->ops->capability & ~cdi->mask); +} + +/* + * The following function is implemented, although very few audio * discs give Universal Product Code information, which should just be * the Medium Catalog Number on the box. Note, that the way the code * is written on the CD is /not/ uniform across all discs! */ - case CDROM_GET_MCN: { - struct cdrom_mcn mcn; - cdinfo(CD_DO_IOCTL, "entering CDROM_GET_MCN\n"); - if (!(cdo->capability & CDC_MCN)) - return -ENOSYS; - if ((ret=cdo->get_mcn(cdi, &mcn))) - return ret; - IOCTL_OUT(arg, struct cdrom_mcn, mcn); - cdinfo(CD_DO_IOCTL, "CDROM_GET_MCN successful\n"); - return 0; - } +static int cdrom_ioctl_get_mcn(struct cdrom_device_info *cdi, + void __user *argp) +{ + struct cdrom_mcn mcn; + int ret; - case CDROM_DRIVE_STATUS: { - cdinfo(CD_DO_IOCTL, "entering CDROM_DRIVE_STATUS\n"); - if (!(cdo->capability & CDC_DRIVE_STATUS)) - return -ENOSYS; - if (!CDROM_CAN(CDC_SELECT_DISC)) - return cdo->drive_status(cdi, CDSL_CURRENT); - if ((arg == CDSL_CURRENT) || (arg == CDSL_NONE)) - return cdo->drive_status(cdi, CDSL_CURRENT); - if (((int)arg >= cdi->capacity)) - return -EINVAL; - return cdrom_slot_status(cdi, arg); - } + cdinfo(CD_DO_IOCTL, "entering CDROM_GET_MCN\n"); - /* Ok, this is where problems start. The current interface for the - CDROM_DISC_STATUS ioctl is flawed. It makes the false assumption - that CDs are all CDS_DATA_1 or all CDS_AUDIO, etc. Unfortunatly, - while this is often the case, it is also very common for CDs to - have some tracks with data, and some tracks with audio. Just - because I feel like it, I declare the following to be the best - way to cope. If the CD has ANY data tracks on it, it will be - returned as a data CD. If it has any XA tracks, I will return - it as that. Now I could simplify this interface by combining these - returns with the above, but this more clearly demonstrates - the problem with the current interface. Too bad this wasn't - designed to use bitmasks... -Erik - - Well, now we have the option CDS_MIXED: a mixed-type CD. - User level programmers might feel the ioctl is not very useful. - ---david - */ - case CDROM_DISC_STATUS: { - tracktype tracks; - cdinfo(CD_DO_IOCTL, "entering CDROM_DISC_STATUS\n"); - cdrom_count_tracks(cdi, &tracks); - if (tracks.error) - return(tracks.error); - - /* Policy mode on */ - if (tracks.audio > 0) { - if (tracks.data==0 && tracks.cdi==0 && tracks.xa==0) - return CDS_AUDIO; - else - return CDS_MIXED; - } - if (tracks.cdi > 0) return CDS_XA_2_2; - if (tracks.xa > 0) return CDS_XA_2_1; - if (tracks.data > 0) return CDS_DATA_1; - /* Policy mode off */ + if (!(cdi->ops->capability & CDC_MCN)) + return -ENOSYS; + ret = cdi->ops->get_mcn(cdi, &mcn); + if (ret) + return ret; - cdinfo(CD_WARNING,"This disc doesn't have any tracks I recognize!\n"); - return CDS_NO_INFO; - } + if (copy_to_user(argp, &mcn, sizeof(mcn))) + return -EFAULT; + cdinfo(CD_DO_IOCTL, "CDROM_GET_MCN successful\n"); + return 0; +} - case CDROM_CHANGER_NSLOTS: { - cdinfo(CD_DO_IOCTL, "entering CDROM_CHANGER_NSLOTS\n"); - return cdi->capacity; - } +static int cdrom_ioctl_drive_status(struct cdrom_device_info *cdi, + unsigned long arg) +{ + cdinfo(CD_DO_IOCTL, "entering CDROM_DRIVE_STATUS\n"); + + if (!(cdi->ops->capability & CDC_DRIVE_STATUS)) + return -ENOSYS; + if (!CDROM_CAN(CDC_SELECT_DISC) || + (arg == CDSL_CURRENT || arg == CDSL_NONE)) + return cdi->ops->drive_status(cdi, CDSL_CURRENT); + if (((int)arg >= cdi->capacity)) + return -EINVAL; + return cdrom_slot_status(cdi, arg); +} + +/* + * Ok, this is where problems start. The current interface for the + * CDROM_DISC_STATUS ioctl is flawed. It makes the false assumption that + * CDs are all CDS_DATA_1 or all CDS_AUDIO, etc. Unfortunatly, while this + * is often the case, it is also very common for CDs to have some tracks + * with data, and some tracks with audio. Just because I feel like it, + * I declare the following to be the best way to cope. If the CD has ANY + * data tracks on it, it will be returned as a data CD. If it has any XA + * tracks, I will return it as that. Now I could simplify this interface + * by combining these returns with the above, but this more clearly + * demonstrates the problem with the current interface. Too bad this + * wasn't designed to use bitmasks... -Erik + * + * Well, now we have the option CDS_MIXED: a mixed-type CD. + * User level programmers might feel the ioctl is not very useful. + * ---david + */ +static int cdrom_ioctl_disc_status(struct cdrom_device_info *cdi) +{ + tracktype tracks; + + cdinfo(CD_DO_IOCTL, "entering CDROM_DISC_STATUS\n"); + + cdrom_count_tracks(cdi, &tracks); + if (tracks.error) + return tracks.error; + + /* Policy mode on */ + if (tracks.audio > 0) { + if (!tracks.data && !tracks.cdi && !tracks.xa) + return CDS_AUDIO; + else + return CDS_MIXED; } - /* use the ioctls that are implemented through the generic_packet() - interface. this may look at bit funny, but if -ENOTTY is - returned that particular ioctl is not implemented and we - let it go through the device specific ones. */ + if (tracks.cdi > 0) + return CDS_XA_2_2; + if (tracks.xa > 0) + return CDS_XA_2_1; + if (tracks.data > 0) + return CDS_DATA_1; + /* Policy mode off */ + + cdinfo(CD_WARNING,"This disc doesn't have any tracks I recognize!\n"); + return CDS_NO_INFO; +} + +static int cdrom_ioctl_changer_nslots(struct cdrom_device_info *cdi) +{ + cdinfo(CD_DO_IOCTL, "entering CDROM_CHANGER_NSLOTS\n"); + return cdi->capacity; +} + +static int cdrom_ioctl_get_subchnl(struct cdrom_device_info *cdi, + void __user *argp) +{ + struct cdrom_subchnl q; + u8 requested, back; + int ret; + + /* cdinfo(CD_DO_IOCTL,"entering CDROMSUBCHNL\n");*/ + + if (!CDROM_CAN(CDC_PLAY_AUDIO)) + return -ENOSYS; + if (copy_from_user(&q, argp, sizeof(q))) + return -EFAULT; + + requested = q.cdsc_format; + if (requested != CDROM_MSF && requested != CDROM_LBA) + return -EINVAL; + q.cdsc_format = CDROM_MSF; + + ret = cdi->ops->audio_ioctl(cdi, CDROMSUBCHNL, &q); + if (ret) + return ret; + + back = q.cdsc_format; /* local copy */ + sanitize_format(&q.cdsc_absaddr, &back, requested); + sanitize_format(&q.cdsc_reladdr, &q.cdsc_format, requested); + + if (copy_to_user(argp, &q, sizeof(q))) + return -EFAULT; + /* cdinfo(CD_DO_IOCTL, "CDROMSUBCHNL successful\n"); */ + return 0; +} + +static int cdrom_ioctl_read_tochdr(struct cdrom_device_info *cdi, + void __user *argp) +{ + struct cdrom_tochdr header; + int ret; + + /* cdinfo(CD_DO_IOCTL, "entering CDROMREADTOCHDR\n"); */ + + if (!CDROM_CAN(CDC_PLAY_AUDIO)) + return -ENOSYS; + if (copy_from_user(&header, argp, sizeof(header))) + return -EFAULT; + + ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCHDR, &header); + if (ret) + return ret; + + if (copy_to_user(argp, &header, sizeof(header))) + return -EFAULT; + /* cdinfo(CD_DO_IOCTL, "CDROMREADTOCHDR successful\n"); */ + return 0; +} + +static int cdrom_ioctl_read_tocentry(struct cdrom_device_info *cdi, + void __user *argp) +{ + struct cdrom_tocentry entry; + u8 requested_format; + int ret; + + /* cdinfo(CD_DO_IOCTL, "entering CDROMREADTOCENTRY\n"); */ + + if (!CDROM_CAN(CDC_PLAY_AUDIO)) + return -ENOSYS; + if (copy_from_user(&entry, argp, sizeof(entry))) + return -EFAULT; + + requested_format = entry.cdte_format; + if (requested_format != CDROM_MSF && requested_format != CDROM_LBA) + return -EINVAL; + /* make interface to low-level uniform */ + entry.cdte_format = CDROM_MSF; + ret = cdi->ops->audio_ioctl(cdi, CDROMREADTOCENTRY, &entry); + if (ret) + return ret; + sanitize_format(&entry.cdte_addr, &entry.cdte_format, requested_format); + + if (copy_to_user(argp, &entry, sizeof(entry))) + return -EFAULT; + /* cdinfo(CD_DO_IOCTL, "CDROMREADTOCENTRY successful\n"); */ + return 0; +} + +static int cdrom_ioctl_play_msf(struct cdrom_device_info *cdi, + void __user *argp) +{ + struct cdrom_msf msf; + + cdinfo(CD_DO_IOCTL, "entering CDROMPLAYMSF\n"); + + if (!CDROM_CAN(CDC_PLAY_AUDIO)) + return -ENOSYS; + if (copy_from_user(&msf, argp, sizeof(msf))) + return -EFAULT; + return cdi->ops->audio_ioctl(cdi, CDROMPLAYMSF, &msf); +} + +static int cdrom_ioctl_play_trkind(struct cdrom_device_info *cdi, + void __user *argp) +{ + struct cdrom_ti ti; + int ret; + + cdinfo(CD_DO_IOCTL, "entering CDROMPLAYTRKIND\n"); + + if (!CDROM_CAN(CDC_PLAY_AUDIO)) + return -ENOSYS; + if (copy_from_user(&ti, argp, sizeof(ti))) + return -EFAULT; + + ret = check_for_audio_disc(cdi, cdi->ops); + if (ret) + return ret; + return cdi->ops->audio_ioctl(cdi, CDROMPLAYTRKIND, &ti); +} +static int cdrom_ioctl_volctrl(struct cdrom_device_info *cdi, + void __user *argp) +{ + struct cdrom_volctrl volume; + + cdinfo(CD_DO_IOCTL, "entering CDROMVOLCTRL\n"); + + if (!CDROM_CAN(CDC_PLAY_AUDIO)) + return -ENOSYS; + if (copy_from_user(&volume, argp, sizeof(volume))) + return -EFAULT; + return cdi->ops->audio_ioctl(cdi, CDROMVOLCTRL, &volume); +} + +static int cdrom_ioctl_volread(struct cdrom_device_info *cdi, + void __user *argp) +{ + struct cdrom_volctrl volume; + int ret; + + cdinfo(CD_DO_IOCTL, "entering CDROMVOLREAD\n"); + + if (!CDROM_CAN(CDC_PLAY_AUDIO)) + return -ENOSYS; + + ret = cdi->ops->audio_ioctl(cdi, CDROMVOLREAD, &volume); + if (ret) + return ret; + + if (copy_to_user(argp, &volume, sizeof(volume))) + return -EFAULT; + return 0; +} + +static int cdrom_ioctl_audioctl(struct cdrom_device_info *cdi, + unsigned int cmd) +{ + int ret; + + cdinfo(CD_DO_IOCTL, "doing audio ioctl (start/stop/pause/resume)\n"); + + if (!CDROM_CAN(CDC_PLAY_AUDIO)) + return -ENOSYS; + ret = check_for_audio_disc(cdi, cdi->ops); + if (ret) + return ret; + return cdi->ops->audio_ioctl(cdi, cmd, NULL); +} + +/* + * Just about every imaginable ioctl is supported in the Uniform layer + * these days. + * ATAPI / SCSI specific code now mainly resides in mmc_ioctl(). + */ +int cdrom_ioctl(struct file * file, struct cdrom_device_info *cdi, + struct inode *ip, unsigned int cmd, unsigned long arg) +{ + void __user *argp = (void __user *)arg; + int ret; + + /* + * Try the generic SCSI command ioctl's first. + */ + ret = scsi_cmd_ioctl(file, ip->i_bdev->bd_disk, cmd, argp); + if (ret != -ENOTTY) + return ret; + + switch (cmd) { + case CDROMMULTISESSION: + return cdrom_ioctl_multisession(cdi, argp); + case CDROMEJECT: + return cdrom_ioctl_eject(cdi); + case CDROMCLOSETRAY: + return cdrom_ioctl_closetray(cdi); + case CDROMEJECT_SW: + return cdrom_ioctl_eject_sw(cdi, arg); + case CDROM_MEDIA_CHANGED: + return cdrom_ioctl_media_changed(cdi, arg); + case CDROM_SET_OPTIONS: + return cdrom_ioctl_set_options(cdi, arg); + case CDROM_CLEAR_OPTIONS: + return cdrom_ioctl_clear_options(cdi, arg); + case CDROM_SELECT_SPEED: + return cdrom_ioctl_select_speed(cdi, arg); + case CDROM_SELECT_DISC: + return cdrom_ioctl_select_disc(cdi, arg); + case CDROMRESET: + return cdrom_ioctl_reset(cdi, ip->i_bdev); + case CDROM_LOCKDOOR: + return cdrom_ioctl_lock_door(cdi, arg); + case CDROM_DEBUG: + return cdrom_ioctl_debug(cdi, arg); + case CDROM_GET_CAPABILITY: + return cdrom_ioctl_get_capability(cdi); + case CDROM_GET_MCN: + return cdrom_ioctl_get_mcn(cdi, argp); + case CDROM_DRIVE_STATUS: + return cdrom_ioctl_drive_status(cdi, arg); + case CDROM_DISC_STATUS: + return cdrom_ioctl_disc_status(cdi); + case CDROM_CHANGER_NSLOTS: + return cdrom_ioctl_changer_nslots(cdi); + } + + /* + * Use the ioctls that are implemented through the generic_packet() + * interface. this may look at bit funny, but if -ENOTTY is + * returned that particular ioctl is not implemented and we + * let it go through the device specific ones. + */ if (CDROM_CAN(CDC_GENERIC_PACKET)) { ret = mmc_ioctl(cdi, cmd, arg); - if (ret != -ENOTTY) { + if (ret != -ENOTTY) return ret; - } } - /* note: most of the cdinfo() calls are commented out here, - because they fill up the sys log when CD players poll - the drive. */ + /* + * Note: most of the cdinfo() calls are commented out here, + * because they fill up the sys log when CD players poll + * the drive. + */ switch (cmd) { - case CDROMSUBCHNL: { - struct cdrom_subchnl q; - u_char requested, back; - if (!CDROM_CAN(CDC_PLAY_AUDIO)) - return -ENOSYS; - /* cdinfo(CD_DO_IOCTL,"entering CDROMSUBCHNL\n");*/ - IOCTL_IN(arg, struct cdrom_subchnl, q); - requested = q.cdsc_format; - if (!((requested == CDROM_MSF) || - (requested == CDROM_LBA))) - return -EINVAL; - q.cdsc_format = CDROM_MSF; - if ((ret=cdo->audio_ioctl(cdi, cmd, &q))) - return ret; - back = q.cdsc_format; /* local copy */ - sanitize_format(&q.cdsc_absaddr, &back, requested); - sanitize_format(&q.cdsc_reladdr, &q.cdsc_format, requested); - IOCTL_OUT(arg, struct cdrom_subchnl, q); - /* cdinfo(CD_DO_IOCTL, "CDROMSUBCHNL successful\n"); */ - return 0; - } - case CDROMREADTOCHDR: { - struct cdrom_tochdr header; - if (!CDROM_CAN(CDC_PLAY_AUDIO)) - return -ENOSYS; - /* cdinfo(CD_DO_IOCTL, "entering CDROMREADTOCHDR\n"); */ - IOCTL_IN(arg, struct cdrom_tochdr, header); - if ((ret=cdo->audio_ioctl(cdi, cmd, &header))) - return ret; - IOCTL_OUT(arg, struct cdrom_tochdr, header); - /* cdinfo(CD_DO_IOCTL, "CDROMREADTOCHDR successful\n"); */ - return 0; - } - case CDROMREADTOCENTRY: { - struct cdrom_tocentry entry; - u_char requested_format; - if (!CDROM_CAN(CDC_PLAY_AUDIO)) - return -ENOSYS; - /* cdinfo(CD_DO_IOCTL, "entering CDROMREADTOCENTRY\n"); */ - IOCTL_IN(arg, struct cdrom_tocentry, entry); - requested_format = entry.cdte_format; - if (!((requested_format == CDROM_MSF) || - (requested_format == CDROM_LBA))) - return -EINVAL; - /* make interface to low-level uniform */ - entry.cdte_format = CDROM_MSF; - if ((ret=cdo->audio_ioctl(cdi, cmd, &entry))) - return ret; - sanitize_format(&entry.cdte_addr, - &entry.cdte_format, requested_format); - IOCTL_OUT(arg, struct cdrom_tocentry, entry); - /* cdinfo(CD_DO_IOCTL, "CDROMREADTOCENTRY successful\n"); */ - return 0; - } - case CDROMPLAYMSF: { - struct cdrom_msf msf; - if (!CDROM_CAN(CDC_PLAY_AUDIO)) - return -ENOSYS; - cdinfo(CD_DO_IOCTL, "entering CDROMPLAYMSF\n"); - IOCTL_IN(arg, struct cdrom_msf, msf); - return cdo->audio_ioctl(cdi, cmd, &msf); - } - case CDROMPLAYTRKIND: { - struct cdrom_ti ti; - if (!CDROM_CAN(CDC_PLAY_AUDIO)) - return -ENOSYS; - cdinfo(CD_DO_IOCTL, "entering CDROMPLAYTRKIND\n"); - IOCTL_IN(arg, struct cdrom_ti, ti); - CHECKAUDIO; - return cdo->audio_ioctl(cdi, cmd, &ti); - } - case CDROMVOLCTRL: { - struct cdrom_volctrl volume; - if (!CDROM_CAN(CDC_PLAY_AUDIO)) - return -ENOSYS; - cdinfo(CD_DO_IOCTL, "entering CDROMVOLCTRL\n"); - IOCTL_IN(arg, struct cdrom_volctrl, volume); - return cdo->audio_ioctl(cdi, cmd, &volume); - } - case CDROMVOLREAD: { - struct cdrom_volctrl volume; - if (!CDROM_CAN(CDC_PLAY_AUDIO)) - return -ENOSYS; - cdinfo(CD_DO_IOCTL, "entering CDROMVOLREAD\n"); - if ((ret=cdo->audio_ioctl(cdi, cmd, &volume))) - return ret; - IOCTL_OUT(arg, struct cdrom_volctrl, volume); - return 0; - } + case CDROMSUBCHNL: + return cdrom_ioctl_get_subchnl(cdi, argp); + case CDROMREADTOCHDR: + return cdrom_ioctl_read_tochdr(cdi, argp); + case CDROMREADTOCENTRY: + return cdrom_ioctl_read_tocentry(cdi, argp); + case CDROMPLAYMSF: + return cdrom_ioctl_play_msf(cdi, argp); + case CDROMPLAYTRKIND: + return cdrom_ioctl_play_trkind(cdi, argp); + case CDROMVOLCTRL: + return cdrom_ioctl_volctrl(cdi, argp); + case CDROMVOLREAD: + return cdrom_ioctl_volread(cdi, argp); case CDROMSTART: case CDROMSTOP: case CDROMPAUSE: - case CDROMRESUME: { - if (!CDROM_CAN(CDC_PLAY_AUDIO)) - return -ENOSYS; - cdinfo(CD_DO_IOCTL, "doing audio ioctl (start/stop/pause/resume)\n"); - CHECKAUDIO; - return cdo->audio_ioctl(cdi, cmd, NULL); - } - } /* switch */ + case CDROMRESUME: + return cdrom_ioctl_audioctl(cdi, cmd); + } - /* do the device specific ioctls */ - if (CDROM_CAN(CDC_IOCTLS)) - return cdo->dev_ioctl(cdi, cmd, arg); - return -ENOSYS; } diff --git a/drivers/cdrom/cdu31a.c b/drivers/cdrom/cdu31a.c index 378e88d20757..72ffd64e8b1e 100644 --- a/drivers/cdrom/cdu31a.c +++ b/drivers/cdrom/cdu31a.c @@ -2668,7 +2668,7 @@ static int scd_audio_ioctl(struct cdrom_device_info *cdi, return retval; } -static int scd_dev_ioctl(struct cdrom_device_info *cdi, +static int scd_read_audio(struct cdrom_device_info *cdi, unsigned int cmd, unsigned long arg) { void __user *argp = (void __user *)arg; @@ -2894,11 +2894,10 @@ static struct cdrom_device_ops scd_dops = { .get_mcn = scd_get_mcn, .reset = scd_reset, .audio_ioctl = scd_audio_ioctl, - .dev_ioctl = scd_dev_ioctl, .capability = CDC_OPEN_TRAY | CDC_CLOSE_TRAY | CDC_LOCK | CDC_SELECT_SPEED | CDC_MULTI_SESSION | CDC_MCN | CDC_MEDIA_CHANGED | CDC_PLAY_AUDIO | - CDC_RESET | CDC_IOCTLS | CDC_DRIVE_STATUS, + CDC_RESET | CDC_DRIVE_STATUS, .n_minors = 1, }; @@ -2936,6 +2935,9 @@ static int scd_block_ioctl(struct inode *inode, struct file *file, case CDROMCLOSETRAY: retval = scd_tray_move(&scd_info, 0); break; + case CDROMREADAUDIO: + retval = scd_read_audio(&scd_info, CDROMREADAUDIO, arg); + break; default: retval = cdrom_ioctl(file, &scd_info, inode, cmd, arg); } diff --git a/drivers/cdrom/cm206.c b/drivers/cdrom/cm206.c index ce127f7ec0f6..fad27a87ce35 100644 --- a/drivers/cdrom/cm206.c +++ b/drivers/cdrom/cm206.c @@ -1157,32 +1157,6 @@ static int cm206_audio_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, } } -/* Ioctl. These ioctls are specific to the cm206 driver. I have made - some driver statistics accessible through ioctl calls. - */ - -static int cm206_ioctl(struct cdrom_device_info *cdi, unsigned int cmd, - unsigned long arg) -{ - switch (cmd) { -#ifdef STATISTICS - case CM206CTL_GET_STAT: - if (arg >= NR_STATS) - return -EINVAL; - else - return cd->stats[arg]; - case CM206CTL_GET_LAST_STAT: - if (arg >= NR_STATS) - return -EINVAL; - else - return cd->last_stat[arg]; -#endif - default: - debug(("Unknown ioctl call 0x%x\n", cmd)); - return -EINVAL; - } -} - static int cm206_media_changed(struct cdrom_device_info *cdi, int disc_nr) { if (cd != NULL) { @@ -1321,11 +1295,10 @@ static struct cdrom_device_ops cm206_dops = { .get_mcn = cm206_get_upc, .reset = cm206_reset, .audio_ioctl = cm206_audio_ioctl, - .dev_ioctl = cm206_ioctl, .capability = CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK | CDC_MULTI_SESSION | CDC_MEDIA_CHANGED | CDC_MCN | CDC_PLAY_AUDIO | CDC_SELECT_SPEED | - CDC_IOCTLS | CDC_DRIVE_STATUS, + CDC_DRIVE_STATUS, .n_minors = 1, }; @@ -1350,6 +1323,21 @@ static int cm206_block_release(struct inode *inode, struct file *file) static int cm206_block_ioctl(struct inode *inode, struct file *file, unsigned cmd, unsigned long arg) { + switch (cmd) { +#ifdef STATISTICS + case CM206CTL_GET_STAT: + if (arg >= NR_STATS) + return -EINVAL; + return cd->stats[arg]; + case CM206CTL_GET_LAST_STAT: + if (arg >= NR_STATS) + return -EINVAL; + return cd->last_stat[arg]; +#endif + default: + break; + } + return cdrom_ioctl(file, &cm206_info, inode, cmd, arg); } diff --git a/drivers/cdrom/sbpcd.c b/drivers/cdrom/sbpcd.c index 466e9c2974bd..4760f515f591 100644 --- a/drivers/cdrom/sbpcd.c +++ b/drivers/cdrom/sbpcd.c @@ -4160,332 +4160,6 @@ static int sbpcd_get_last_session(struct cdrom_device_info *cdi, struct cdrom_mu return 0; } -/*==========================================================================*/ -/*==========================================================================*/ -/* - * ioctl support - */ -static int sbpcd_dev_ioctl(struct cdrom_device_info *cdi, u_int cmd, - u_long arg) -{ - struct sbpcd_drive *p = cdi->handle; - int i; - - msg(DBG_IO2,"ioctl(%s, 0x%08lX, 0x%08lX)\n", cdi->name, cmd, arg); - if (p->drv_id==-1) { - msg(DBG_INF, "ioctl: bad device: %s\n", cdi->name); - return (-ENXIO); /* no such drive */ - } - down(&ioctl_read_sem); - if (p != current_drive) - switch_drive(p); - - msg(DBG_IO2,"ioctl: device %s, request %04X\n",cdi->name,cmd); - switch (cmd) /* Sun-compatible */ - { - case DDIOCSDBG: /* DDI Debug */ - if (!capable(CAP_SYS_ADMIN)) RETURN_UP(-EPERM); - i=sbpcd_dbg_ioctl(arg,1); - RETURN_UP(i); - case CDROMRESET: /* hard reset the drive */ - msg(DBG_IOC,"ioctl: CDROMRESET entered.\n"); - i=DriveReset(); - current_drive->audio_state=0; - RETURN_UP(i); - - case CDROMREADMODE1: - msg(DBG_IOC,"ioctl: CDROMREADMODE1 requested.\n"); -#ifdef SAFE_MIXED - if (current_drive->has_data>1) RETURN_UP(-EBUSY); -#endif /* SAFE_MIXED */ - cc_ModeSelect(CD_FRAMESIZE); - cc_ModeSense(); - current_drive->mode=READ_M1; - RETURN_UP(0); - - case CDROMREADMODE2: /* not usable at the moment */ - msg(DBG_IOC,"ioctl: CDROMREADMODE2 requested.\n"); -#ifdef SAFE_MIXED - if (current_drive->has_data>1) RETURN_UP(-EBUSY); -#endif /* SAFE_MIXED */ - cc_ModeSelect(CD_FRAMESIZE_RAW1); - cc_ModeSense(); - current_drive->mode=READ_M2; - RETURN_UP(0); - - case CDROMAUDIOBUFSIZ: /* configure the audio buffer size */ - msg(DBG_IOC,"ioctl: CDROMAUDIOBUFSIZ entered.\n"); - if (current_drive->sbp_audsiz>0) - vfree(current_drive->aud_buf); - current_drive->aud_buf=NULL; - current_drive->sbp_audsiz=arg; - - if (current_drive->sbp_audsiz>16) - { - current_drive->sbp_audsiz = 0; - RETURN_UP(current_drive->sbp_audsiz); - } - - if (current_drive->sbp_audsiz>0) - { - current_drive->aud_buf=(u_char *) vmalloc(current_drive->sbp_audsiz*CD_FRAMESIZE_RAW); - if (current_drive->aud_buf==NULL) - { - msg(DBG_INF,"audio buffer (%d frames) not available.\n",current_drive->sbp_audsiz); - current_drive->sbp_audsiz=0; - } - else msg(DBG_INF,"audio buffer size: %d frames.\n",current_drive->sbp_audsiz); - } - RETURN_UP(current_drive->sbp_audsiz); - - case CDROMREADAUDIO: - { /* start of CDROMREADAUDIO */ - int i=0, j=0, frame, block=0; - u_int try=0; - u_long timeout; - u_char *p; - u_int data_tries = 0; - u_int data_waits = 0; - u_int data_retrying = 0; - int status_tries; - int error_flag; - - msg(DBG_IOC,"ioctl: CDROMREADAUDIO entered.\n"); - if (fam0_drive) RETURN_UP(-EINVAL); - if (famL_drive) RETURN_UP(-EINVAL); - if (famV_drive) RETURN_UP(-EINVAL); - if (famT_drive) RETURN_UP(-EINVAL); -#ifdef SAFE_MIXED - if (current_drive->has_data>1) RETURN_UP(-EBUSY); -#endif /* SAFE_MIXED */ - if (current_drive->aud_buf==NULL) RETURN_UP(-EINVAL); - if (copy_from_user(&read_audio, (void __user *)arg, - sizeof(struct cdrom_read_audio))) - RETURN_UP(-EFAULT); - if (read_audio.nframes < 0 || read_audio.nframes>current_drive->sbp_audsiz) RETURN_UP(-EINVAL); - if (!access_ok(VERIFY_WRITE, read_audio.buf, - read_audio.nframes*CD_FRAMESIZE_RAW)) - RETURN_UP(-EFAULT); - - if (read_audio.addr_format==CDROM_MSF) /* MSF-bin specification of where to start */ - block=msf2lba(&read_audio.addr.msf.minute); - else if (read_audio.addr_format==CDROM_LBA) /* lba specification of where to start */ - block=read_audio.addr.lba; - else RETURN_UP(-EINVAL); -#if 000 - i=cc_SetSpeed(speed_150,0,0); - if (i) msg(DBG_AUD,"read_audio: SetSpeed error %d\n", i); -#endif - msg(DBG_AUD,"read_audio: lba: %d, msf: %06X\n", - block, blk2msf(block)); - msg(DBG_AUD,"read_audio: before cc_ReadStatus.\n"); -#if OLD_BUSY - while (busy_data) sbp_sleep(HZ/10); /* wait a bit */ - busy_audio=1; -#endif /* OLD_BUSY */ - error_flag=0; - for (data_tries=5; data_tries>0; data_tries--) - { - msg(DBG_AUD,"data_tries=%d ...\n", data_tries); - current_drive->mode=READ_AU; - cc_ModeSelect(CD_FRAMESIZE_RAW); - cc_ModeSense(); - for (status_tries=3; status_tries > 0; status_tries--) - { - flags_cmd_out |= f_respo3; - cc_ReadStatus(); - if (sbp_status() != 0) break; - if (st_check) cc_ReadError(); - sbp_sleep(1); /* wait a bit, try again */ - } - if (status_tries == 0) - { - msg(DBG_AUD,"read_audio: sbp_status: failed after 3 tries in line %d.\n", __LINE__); - continue; - } - msg(DBG_AUD,"read_audio: sbp_status: ok.\n"); - - flags_cmd_out = f_putcmd | f_respo2 | f_ResponseStatus | f_obey_p_check; - if (fam0L_drive) - { - flags_cmd_out |= f_lopsta | f_getsta | f_bit1; - cmd_type=READ_M2; - drvcmd[0]=CMD0_READ_XA; /* "read XA frames", old drives */ - drvcmd[1]=(block>>16)&0x000000ff; - drvcmd[2]=(block>>8)&0x000000ff; - drvcmd[3]=block&0x000000ff; - drvcmd[4]=0; - drvcmd[5]=read_audio.nframes; /* # of frames */ - drvcmd[6]=0; - } - else if (fam1_drive) - { - drvcmd[0]=CMD1_READ; /* "read frames", new drives */ - lba2msf(block,&drvcmd[1]); /* msf-bin format required */ - drvcmd[4]=0; - drvcmd[5]=0; - drvcmd[6]=read_audio.nframes; /* # of frames */ - } - else if (fam2_drive) - { - drvcmd[0]=CMD2_READ_XA2; - lba2msf(block,&drvcmd[1]); /* msf-bin format required */ - drvcmd[4]=0; - drvcmd[5]=read_audio.nframes; /* # of frames */ - drvcmd[6]=0x11; /* raw mode */ - } - else if (famT_drive) /* CD-55A: not tested yet */ - { - } - msg(DBG_AUD,"read_audio: before giving \"read\" command.\n"); - flags_cmd_out=f_putcmd; - response_count=0; - i=cmd_out(); - if (i<0) msg(DBG_INF,"error giving READ AUDIO command: %0d\n", i); - sbp_sleep(0); - msg(DBG_AUD,"read_audio: after giving \"read\" command.\n"); - for (frame=1;frame<2 && !error_flag; frame++) - { - try=maxtim_data; - for (timeout=jiffies+9*HZ; ; ) - { - for ( ; try!=0;try--) - { - j=inb(CDi_status); - if (!(j&s_not_data_ready)) break; - if (!(j&s_not_result_ready)) break; - if (fam0L_drive) if (j&s_attention) break; - } - if (try != 0 || time_after_eq(jiffies, timeout)) break; - if (data_retrying == 0) data_waits++; - data_retrying = 1; - sbp_sleep(1); - try = 1; - } - if (try==0) - { - msg(DBG_INF,"read_audio: sbp_data: CDi_status timeout.\n"); - error_flag++; - break; - } - msg(DBG_AUD,"read_audio: sbp_data: CDi_status ok.\n"); - if (j&s_not_data_ready) - { - msg(DBG_INF, "read_audio: sbp_data: DATA_READY timeout.\n"); - error_flag++; - break; - } - msg(DBG_AUD,"read_audio: before reading data.\n"); - error_flag=0; - p = current_drive->aud_buf; - if (sbpro_type==1) OUT(CDo_sel_i_d,1); - if (do_16bit) - { - u_short *p2 = (u_short *) p; - - for (; (u_char *) p2 < current_drive->aud_buf + read_audio.nframes*CD_FRAMESIZE_RAW;) - { - if ((inb_p(CDi_status)&s_not_data_ready)) continue; - - /* get one sample */ - *p2++ = inw_p(CDi_data); - *p2++ = inw_p(CDi_data); - } - } else { - for (; p < current_drive->aud_buf + read_audio.nframes*CD_FRAMESIZE_RAW;) - { - if ((inb_p(CDi_status)&s_not_data_ready)) continue; - - /* get one sample */ - *p++ = inb_p(CDi_data); - *p++ = inb_p(CDi_data); - *p++ = inb_p(CDi_data); - *p++ = inb_p(CDi_data); - } - } - if (sbpro_type==1) OUT(CDo_sel_i_d,0); - data_retrying = 0; - } - msg(DBG_AUD,"read_audio: after reading data.\n"); - if (error_flag) /* must have been spurious D_RDY or (ATTN&&!D_RDY) */ - { - msg(DBG_AUD,"read_audio: read aborted by drive\n"); -#if 0000 - i=cc_DriveReset(); /* ugly fix to prevent a hang */ -#else - i=cc_ReadError(); -#endif - continue; - } - if (fam0L_drive) - { - i=maxtim_data; - for (timeout=jiffies+9*HZ; time_before(jiffies, timeout); timeout--) - { - for ( ;i!=0;i--) - { - j=inb(CDi_status); - if (!(j&s_not_data_ready)) break; - if (!(j&s_not_result_ready)) break; - if (j&s_attention) break; - } - if (i != 0 || time_after_eq(jiffies, timeout)) break; - sbp_sleep(0); - i = 1; - } - if (i==0) msg(DBG_AUD,"read_audio: STATUS TIMEOUT AFTER READ"); - if (!(j&s_attention)) - { - msg(DBG_AUD,"read_audio: sbp_data: timeout waiting DRV_ATTN - retrying\n"); - i=cc_DriveReset(); /* ugly fix to prevent a hang */ - continue; - } - } - do - { - if (fam0L_drive) cc_ReadStatus(); - i=ResponseStatus(); /* builds status_bits, returns orig. status (old) or faked p_success (new) */ - if (i<0) { msg(DBG_AUD, - "read_audio: cc_ReadStatus error after read: %02X\n", - current_drive->status_bits); - continue; /* FIXME */ - } - } - while ((fam0L_drive)&&(!st_check)&&(!(i&p_success))); - if (st_check) - { - i=cc_ReadError(); - msg(DBG_AUD,"read_audio: cc_ReadError was necessary after read: %02X\n",i); - continue; - } - if (copy_to_user(read_audio.buf, - current_drive->aud_buf, - read_audio.nframes * CD_FRAMESIZE_RAW)) - RETURN_UP(-EFAULT); - msg(DBG_AUD,"read_audio: copy_to_user done.\n"); - break; - } - cc_ModeSelect(CD_FRAMESIZE); - cc_ModeSense(); - current_drive->mode=READ_M1; -#if OLD_BUSY - busy_audio=0; -#endif /* OLD_BUSY */ - if (data_tries == 0) - { - msg(DBG_AUD,"read_audio: failed after 5 tries in line %d.\n", __LINE__); - RETURN_UP(-EIO); - } - msg(DBG_AUD,"read_audio: successful return.\n"); - RETURN_UP(0); - } /* end of CDROMREADAUDIO */ - - default: - msg(DBG_IOC,"ioctl: unknown function request %04X\n", cmd); - RETURN_UP(-EINVAL); - } /* end switch(cmd) */ -} - static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, void * arg) { @@ -4530,7 +4204,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, default: RETURN_UP(-EINVAL); } - + case CDROMRESUME: /* resume paused audio play */ msg(DBG_IOC,"ioctl: CDROMRESUME entered.\n"); /* resume playing audio tracks when a previous PLAY AUDIO call has */ @@ -4544,12 +4218,12 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, if (i<0) RETURN_UP(-EIO); current_drive->audio_state=audio_playing; RETURN_UP(0); - + case CDROMPLAYMSF: msg(DBG_IOC,"ioctl: CDROMPLAYMSF entered.\n"); #ifdef SAFE_MIXED if (current_drive->has_data>1) RETURN_UP(-EBUSY); -#endif /* SAFE_MIXED */ +#endif /* SAFE_MIXED */ if (current_drive->audio_state==audio_playing) { i=cc_Pause_Resume(1); @@ -4584,7 +4258,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, msg(DBG_IOC,"ioctl: CDROMPLAYTRKIND entered.\n"); #ifdef SAFE_MIXED if (current_drive->has_data>1) RETURN_UP(-EBUSY); -#endif /* SAFE_MIXED */ +#endif /* SAFE_MIXED */ if (current_drive->audio_state==audio_playing) { msg(DBG_IOX,"CDROMPLAYTRKIND: already audio_playing.\n"); @@ -4654,13 +4328,13 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, cc_DriveReset(); #endif RETURN_UP(i); - + case CDROMSTART: /* Spin up the drive */ msg(DBG_IOC,"ioctl: CDROMSTART entered.\n"); cc_SpinUp(); current_drive->audio_state=0; RETURN_UP(0); - + case CDROMVOLCTRL: /* Volume control */ msg(DBG_IOC,"ioctl: CDROMVOLCTRL entered.\n"); memcpy(&volctrl,(char *) arg,sizeof(volctrl)); @@ -4670,7 +4344,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, current_drive->vol_ctrl1=volctrl.channel1; i=cc_SetVolume(); RETURN_UP(0); - + case CDROMVOLREAD: /* read Volume settings from drive */ msg(DBG_IOC,"ioctl: CDROMVOLREAD entered.\n"); st=cc_GetVolume(); @@ -4694,7 +4368,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, if (i<0) { j=cc_ReadError(); /* clear out error status from drive */ current_drive->audio_state=CDROM_AUDIO_NO_STATUS; - /* get and set the disk state here, + /* get and set the disk state here, probably not the right place, but who cares! It makes it work properly! --AJK */ if (current_drive->CD_changed==0xFF) { @@ -4715,8 +4389,8 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, } } memcpy(&SC, (void *) arg, sizeof(struct cdrom_subchnl)); - /* - This virtual crap is very bogus! + /* + This virtual crap is very bogus! It doesn't detect when the cd is done playing audio! Lets do this right with proper hardware register reading! */ @@ -4775,7 +4449,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, SC.cdsc_trk,SC.cdsc_ind, SC.cdsc_absaddr,SC.cdsc_reladdr); RETURN_UP(0); - + default: msg(DBG_IOC,"ioctl: unknown function request %04X\n", cmd); RETURN_UP(-EINVAL); @@ -4788,7 +4462,7 @@ static int sbpcd_audio_ioctl(struct cdrom_device_info *cdi, u_int cmd, static void sbp_transfer(struct request *req) { long offs; - + while ( (req->nr_sectors > 0) && (req->sector/4 >= current_drive->sbp_first_frame) && (req->sector/4 <= current_drive->sbp_last_frame) ) @@ -4807,11 +4481,11 @@ static void sbp_transfer(struct request *req) * * This is a kludge so we don't need to modify end_request. * We put the req we take out after INIT_REQUEST in the requests list, - * so that end_request will discard it. + * so that end_request will discard it. * * The bug could be present in other block devices, perhaps we * should modify INIT_REQUEST and end_request instead, and - * change every block device.. + * change every block device.. * * Could be a race here?? Could e.g. a timer interrupt schedule() us? * If so, we should copy end_request here, and do it right.. (or @@ -4883,19 +4557,19 @@ static void do_sbpcd_request(request_queue_t * q) while (busy_audio) sbp_sleep(HZ); /* wait a bit */ busy_data=1; #endif /* OLD_BUSY */ - + if (p->audio_state==audio_playing) goto err_done; if (p != current_drive) switch_drive(p); block = req->sector; /* always numbered as 512-byte-pieces */ nsect = req->nr_sectors; /* always counted as 512-byte-pieces */ - + msg(DBG_BSZ,"read sector %d (%d sectors)\n", block, nsect); #if 0 msg(DBG_MUL,"read LBA %d\n", block/4); #endif - + sbp_transfer(req); /* if we satisfied the request from the buffer, we're done. */ if (req->nr_sectors == 0) @@ -4914,10 +4588,10 @@ static void do_sbpcd_request(request_queue_t * q) i=prepare(0,0); /* at moment not really a hassle check, but ... */ if (i!=0) msg(DBG_INF,"\"prepare\" tells error %d -- ignored\n", i); -#endif /* FUTURE */ - +#endif /* FUTURE */ + if (!st_spinning) cc_SpinUp(); - + for (data_tries=n_retries; data_tries > 0; data_tries--) { for (status_tries=3; status_tries > 0; status_tries--) @@ -4940,7 +4614,7 @@ static void do_sbpcd_request(request_queue_t * q) { #ifdef SAFE_MIXED current_drive->has_data=2; /* is really a data disk */ -#endif /* SAFE_MIXED */ +#endif /* SAFE_MIXED */ #ifdef DEBUG_GTL printk(" do_sbpcd_request[%do](%p:%ld+%ld) end 3, Time:%li\n", xnr, req, req->sector, req->nr_sectors, jiffies); @@ -4951,7 +4625,7 @@ static void do_sbpcd_request(request_queue_t * q) goto request_loop; } } - + err_done: #if OLD_BUSY busy_data=0; @@ -4976,7 +4650,7 @@ static void sbp_read_cmd(struct request *req) int i; int block; - + current_drive->sbp_first_frame=current_drive->sbp_last_frame=-1; /* purge buffer */ current_drive->sbp_current = 0; block=req->sector/4; @@ -4993,7 +4667,7 @@ static void sbp_read_cmd(struct request *req) current_drive->sbp_read_frames=1; } } - + flags_cmd_out = f_putcmd | f_respo2 | f_ResponseStatus | f_obey_p_check; clr_cmdbuf(); if (famV_drive) @@ -5092,7 +4766,7 @@ static int sbp_data(struct request *req) int success; int wait; int duration; - + error_flag=0; success=0; #if LONG_TIMING @@ -5105,12 +4779,12 @@ static int sbp_data(struct request *req) for (frame=0;frame<current_drive->sbp_read_frames&&!error_flag; frame++) { SBPCD_CLI; - + del_timer(&data_timer); data_timer.expires=jiffies+max_latency; timed_out_data=0; add_timer(&data_timer); - while (!timed_out_data) + while (!timed_out_data) { if (current_drive->f_multisession) try=maxtim_data*4; else try=maxtim_data; @@ -5207,9 +4881,9 @@ static int sbp_data(struct request *req) else { sbp_sleep(1); - OUT(CDo_sel_i_d,0); + OUT(CDo_sel_i_d,0); i=inb(CDi_status); - } + } if (!(i&s_not_data_ready)) { OUT(CDo_sel_i_d,1); @@ -5311,7 +4985,7 @@ static int sbp_data(struct request *req) } SBPCD_STI; } - + #if 0 if (!success) #endif @@ -5370,7 +5044,326 @@ static int sbpcd_block_ioctl(struct inode *inode, struct file *file, unsigned cmd, unsigned long arg) { struct sbpcd_drive *p = inode->i_bdev->bd_disk->private_data; - return cdrom_ioctl(file, p->sbpcd_infop, inode, cmd, arg); + struct cdrom_device_info *cdi = p->sbpcd_infop; + int ret, i; + + ret = cdrom_ioctl(file, p->sbpcd_infop, inode, cmd, arg); + if (ret != -ENOSYS) + return ret; + + msg(DBG_IO2,"ioctl(%s, 0x%08lX, 0x%08lX)\n", cdi->name, cmd, arg); + if (p->drv_id==-1) { + msg(DBG_INF, "ioctl: bad device: %s\n", cdi->name); + return (-ENXIO); /* no such drive */ + } + down(&ioctl_read_sem); + if (p != current_drive) + switch_drive(p); + + msg(DBG_IO2,"ioctl: device %s, request %04X\n",cdi->name,cmd); + switch (cmd) /* Sun-compatible */ + { + case DDIOCSDBG: /* DDI Debug */ + if (!capable(CAP_SYS_ADMIN)) RETURN_UP(-EPERM); + i=sbpcd_dbg_ioctl(arg,1); + RETURN_UP(i); + case CDROMRESET: /* hard reset the drive */ + msg(DBG_IOC,"ioctl: CDROMRESET entered.\n"); + i=DriveReset(); + current_drive->audio_state=0; + RETURN_UP(i); + + case CDROMREADMODE1: + msg(DBG_IOC,"ioctl: CDROMREADMODE1 requested.\n"); +#ifdef SAFE_MIXED + if (current_drive->has_data>1) RETURN_UP(-EBUSY); +#endif /* SAFE_MIXED */ + cc_ModeSelect(CD_FRAMESIZE); + cc_ModeSense(); + current_drive->mode=READ_M1; + RETURN_UP(0); + + case CDROMREADMODE2: /* not usable at the moment */ + msg(DBG_IOC,"ioctl: CDROMREADMODE2 requested.\n"); +#ifdef SAFE_MIXED + if (current_drive->has_data>1) RETURN_UP(-EBUSY); +#endif /* SAFE_MIXED */ + cc_ModeSelect(CD_FRAMESIZE_RAW1); + cc_ModeSense(); + current_drive->mode=READ_M2; + RETURN_UP(0); + + case CDROMAUDIOBUFSIZ: /* configure the audio buffer size */ + msg(DBG_IOC,"ioctl: CDROMAUDIOBUFSIZ entered.\n"); + if (current_drive->sbp_audsiz>0) + vfree(current_drive->aud_buf); + current_drive->aud_buf=NULL; + current_drive->sbp_audsiz=arg; + + if (current_drive->sbp_audsiz>16) + { + current_drive->sbp_audsiz = 0; + RETURN_UP(current_drive->sbp_audsiz); + } + + if (current_drive->sbp_audsiz>0) + { + current_drive->aud_buf=(u_char *) vmalloc(current_drive->sbp_audsiz*CD_FRAMESIZE_RAW); + if (current_drive->aud_buf==NULL) + { + msg(DBG_INF,"audio buffer (%d frames) not available.\n",current_drive->sbp_audsiz); + current_drive->sbp_audsiz=0; + } + else msg(DBG_INF,"audio buffer size: %d frames.\n",current_drive->sbp_audsiz); + } + RETURN_UP(current_drive->sbp_audsiz); + + case CDROMREADAUDIO: + { /* start of CDROMREADAUDIO */ + int i=0, j=0, frame, block=0; + u_int try=0; + u_long timeout; + u_char *p; + u_int data_tries = 0; + u_int data_waits = 0; + u_int data_retrying = 0; + int status_tries; + int error_flag; + + msg(DBG_IOC,"ioctl: CDROMREADAUDIO entered.\n"); + if (fam0_drive) RETURN_UP(-EINVAL); + if (famL_drive) RETURN_UP(-EINVAL); + if (famV_drive) RETURN_UP(-EINVAL); + if (famT_drive) RETURN_UP(-EINVAL); +#ifdef SAFE_MIXED + if (current_drive->has_data>1) RETURN_UP(-EBUSY); +#endif /* SAFE_MIXED */ + if (current_drive->aud_buf==NULL) RETURN_UP(-EINVAL); + if (copy_from_user(&read_audio, (void __user *)arg, + sizeof(struct cdrom_read_audio))) + RETURN_UP(-EFAULT); + if (read_audio.nframes < 0 || read_audio.nframes>current_drive->sbp_audsiz) RETURN_UP(-EINVAL); + if (!access_ok(VERIFY_WRITE, read_audio.buf, + read_audio.nframes*CD_FRAMESIZE_RAW)) + RETURN_UP(-EFAULT); + + if (read_audio.addr_format==CDROM_MSF) /* MSF-bin specification of where to start */ + block=msf2lba(&read_audio.addr.msf.minute); + else if (read_audio.addr_format==CDROM_LBA) /* lba specification of where to start */ + block=read_audio.addr.lba; + else RETURN_UP(-EINVAL); +#if 000 + i=cc_SetSpeed(speed_150,0,0); + if (i) msg(DBG_AUD,"read_audio: SetSpeed error %d\n", i); +#endif + msg(DBG_AUD,"read_audio: lba: %d, msf: %06X\n", + block, blk2msf(block)); + msg(DBG_AUD,"read_audio: before cc_ReadStatus.\n"); +#if OLD_BUSY + while (busy_data) sbp_sleep(HZ/10); /* wait a bit */ + busy_audio=1; +#endif /* OLD_BUSY */ + error_flag=0; + for (data_tries=5; data_tries>0; data_tries--) + { + msg(DBG_AUD,"data_tries=%d ...\n", data_tries); + current_drive->mode=READ_AU; + cc_ModeSelect(CD_FRAMESIZE_RAW); + cc_ModeSense(); + for (status_tries=3; status_tries > 0; status_tries--) + { + flags_cmd_out |= f_respo3; + cc_ReadStatus(); + if (sbp_status() != 0) break; + if (st_check) cc_ReadError(); + sbp_sleep(1); /* wait a bit, try again */ + } + if (status_tries == 0) + { + msg(DBG_AUD,"read_audio: sbp_status: failed after 3 tries in line %d.\n", __LINE__); + continue; + } + msg(DBG_AUD,"read_audio: sbp_status: ok.\n"); + + flags_cmd_out = f_putcmd | f_respo2 | f_ResponseStatus | f_obey_p_check; + if (fam0L_drive) + { + flags_cmd_out |= f_lopsta | f_getsta | f_bit1; + cmd_type=READ_M2; + drvcmd[0]=CMD0_READ_XA; /* "read XA frames", old drives */ + drvcmd[1]=(block>>16)&0x000000ff; + drvcmd[2]=(block>>8)&0x000000ff; + drvcmd[3]=block&0x000000ff; + drvcmd[4]=0; + drvcmd[5]=read_audio.nframes; /* # of frames */ + drvcmd[6]=0; + } + else if (fam1_drive) + { + drvcmd[0]=CMD1_READ; /* "read frames", new drives */ + lba2msf(block,&drvcmd[1]); /* msf-bin format required */ + drvcmd[4]=0; + drvcmd[5]=0; + drvcmd[6]=read_audio.nframes; /* # of frames */ + } + else if (fam2_drive) + { + drvcmd[0]=CMD2_READ_XA2; + lba2msf(block,&drvcmd[1]); /* msf-bin format required */ + drvcmd[4]=0; + drvcmd[5]=read_audio.nframes; /* # of frames */ + drvcmd[6]=0x11; /* raw mode */ + } + else if (famT_drive) /* CD-55A: not tested yet */ + { + } + msg(DBG_AUD,"read_audio: before giving \"read\" command.\n"); + flags_cmd_out=f_putcmd; + response_count=0; + i=cmd_out(); + if (i<0) msg(DBG_INF,"error giving READ AUDIO command: %0d\n", i); + sbp_sleep(0); + msg(DBG_AUD,"read_audio: after giving \"read\" command.\n"); + for (frame=1;frame<2 && !error_flag; frame++) + { + try=maxtim_data; + for (timeout=jiffies+9*HZ; ; ) + { + for ( ; try!=0;try--) + { + j=inb(CDi_status); + if (!(j&s_not_data_ready)) break; + if (!(j&s_not_result_ready)) break; + if (fam0L_drive) if (j&s_attention) break; + } + if (try != 0 || time_after_eq(jiffies, timeout)) break; + if (data_retrying == 0) data_waits++; + data_retrying = 1; + sbp_sleep(1); + try = 1; + } + if (try==0) + { + msg(DBG_INF,"read_audio: sbp_data: CDi_status timeout.\n"); + error_flag++; + break; + } + msg(DBG_AUD,"read_audio: sbp_data: CDi_status ok.\n"); + if (j&s_not_data_ready) + { + msg(DBG_INF, "read_audio: sbp_data: DATA_READY timeout.\n"); + error_flag++; + break; + } + msg(DBG_AUD,"read_audio: before reading data.\n"); + error_flag=0; + p = current_drive->aud_buf; + if (sbpro_type==1) OUT(CDo_sel_i_d,1); + if (do_16bit) + { + u_short *p2 = (u_short *) p; + + for (; (u_char *) p2 < current_drive->aud_buf + read_audio.nframes*CD_FRAMESIZE_RAW;) + { + if ((inb_p(CDi_status)&s_not_data_ready)) continue; + + /* get one sample */ + *p2++ = inw_p(CDi_data); + *p2++ = inw_p(CDi_data); + } + } else { + for (; p < current_drive->aud_buf + read_audio.nframes*CD_FRAMESIZE_RAW;) + { + if ((inb_p(CDi_status)&s_not_data_ready)) continue; + + /* get one sample */ + *p++ = inb_p(CDi_data); + *p++ = inb_p(CDi_data); + *p++ = inb_p(CDi_data); + *p++ = inb_p(CDi_data); + } + } + if (sbpro_type==1) OUT(CDo_sel_i_d,0); + data_retrying = 0; + } + msg(DBG_AUD,"read_audio: after reading data.\n"); + if (error_flag) /* must have been spurious D_RDY or (ATTN&&!D_RDY) */ + { + msg(DBG_AUD,"read_audio: read aborted by drive\n"); +#if 0000 + i=cc_DriveReset(); /* ugly fix to prevent a hang */ +#else + i=cc_ReadError(); +#endif + continue; + } + if (fam0L_drive) + { + i=maxtim_data; + for (timeout=jiffies+9*HZ; time_before(jiffies, timeout); timeout--) + { + for ( ;i!=0;i--) + { + j=inb(CDi_status); + if (!(j&s_not_data_ready)) break; + if (!(j&s_not_result_ready)) break; + if (j&s_attention) break; + } + if (i != 0 || time_after_eq(jiffies, timeout)) break; + sbp_sleep(0); + i = 1; + } + if (i==0) msg(DBG_AUD,"read_audio: STATUS TIMEOUT AFTER READ"); + if (!(j&s_attention)) + { + msg(DBG_AUD,"read_audio: sbp_data: timeout waiting DRV_ATTN - retrying\n"); + i=cc_DriveReset(); /* ugly fix to prevent a hang */ + continue; + } + } + do + { + if (fam0L_drive) cc_ReadStatus(); + i=ResponseStatus(); /* builds status_bits, returns orig. status (old) or faked p_success (new) */ + if (i<0) { msg(DBG_AUD, + "read_audio: cc_ReadStatus error after read: %02X\n", + current_drive->status_bits); + continue; /* FIXME */ + } + } + while ((fam0L_drive)&&(!st_check)&&(!(i&p_success))); + if (st_check) + { + i=cc_ReadError(); + msg(DBG_AUD,"read_audio: cc_ReadError was necessary after read: %02X\n",i); + continue; + } + if (copy_to_user(read_audio.buf, + current_drive->aud_buf, + read_audio.nframes * CD_FRAMESIZE_RAW)) + RETURN_UP(-EFAULT); + msg(DBG_AUD,"read_audio: copy_to_user done.\n"); + break; + } + cc_ModeSelect(CD_FRAMESIZE); + cc_ModeSense(); + current_drive->mode=READ_M1; +#if OLD_BUSY + busy_audio=0; +#endif /* OLD_BUSY */ + if (data_tries == 0) + { + msg(DBG_AUD,"read_audio: failed after 5 tries in line %d.\n", __LINE__); + RETURN_UP(-EIO); + } + msg(DBG_AUD,"read_audio: successful return.\n"); + RETURN_UP(0); + } /* end of CDROMREADAUDIO */ + + default: + msg(DBG_IOC,"ioctl: unknown function request %04X\n", cmd); + RETURN_UP(-EINVAL); + } /* end switch(cmd) */ } static int sbpcd_block_media_changed(struct gendisk *disk) @@ -5478,10 +5471,9 @@ static struct cdrom_device_ops sbpcd_dops = { .get_mcn = sbpcd_get_mcn, .reset = sbpcd_reset, .audio_ioctl = sbpcd_audio_ioctl, - .dev_ioctl = sbpcd_dev_ioctl, .capability = CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK | CDC_MULTI_SESSION | CDC_MEDIA_CHANGED | - CDC_MCN | CDC_PLAY_AUDIO | CDC_IOCTLS, + CDC_MCN | CDC_PLAY_AUDIO, .n_minors = 1, }; diff --git a/drivers/cdrom/viocd.c b/drivers/cdrom/viocd.c index e27617259552..c0f817ba7adb 100644 --- a/drivers/cdrom/viocd.c +++ b/drivers/cdrom/viocd.c @@ -627,7 +627,7 @@ static struct cdrom_device_ops viocd_dops = { .media_changed = viocd_media_changed, .lock_door = viocd_lock_door, .generic_packet = viocd_packet, - .capability = CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK | CDC_SELECT_SPEED | CDC_SELECT_DISC | CDC_MULTI_SESSION | CDC_MCN | CDC_MEDIA_CHANGED | CDC_PLAY_AUDIO | CDC_RESET | CDC_IOCTLS | CDC_DRIVE_STATUS | CDC_GENERIC_PACKET | CDC_CD_R | CDC_CD_RW | CDC_DVD | CDC_DVD_R | CDC_DVD_RAM | CDC_RAM + .capability = CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK | CDC_SELECT_SPEED | CDC_SELECT_DISC | CDC_MULTI_SESSION | CDC_MCN | CDC_MEDIA_CHANGED | CDC_PLAY_AUDIO | CDC_RESET | CDC_DRIVE_STATUS | CDC_GENERIC_PACKET | CDC_CD_R | CDC_CD_RW | CDC_DVD | CDC_DVD_R | CDC_DVD_RAM | CDC_RAM }; static int __init find_capability(const char *type) diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c index 7ac365b5d9ec..6602b3156df5 100644 --- a/drivers/char/amiserial.c +++ b/drivers/char/amiserial.c @@ -46,8 +46,6 @@ /* Sanity checks */ -#define SERIAL_INLINE - #if defined(MODULE) && defined(SERIAL_DEBUG_MCOUNT) #define DBG_CNT(s) printk("(%s): [%x] refc=%d, serc=%d, ttyc=%d -> %s\n", \ tty->name, (info->flags), serial_driver->refcount,info->count,tty->count,s) @@ -95,10 +93,6 @@ static char *serial_version = "4.30"; #include <asm/amigahw.h> #include <asm/amigaints.h> -#ifdef SERIAL_INLINE -#define _INLINE_ inline -#endif - #define custom amiga_custom static char *serial_name = "Amiga-builtin serial driver"; @@ -253,14 +247,14 @@ static void rs_start(struct tty_struct *tty) * This routine is used by the interrupt handler to schedule * processing in the software interrupt portion of the driver. */ -static _INLINE_ void rs_sched_event(struct async_struct *info, - int event) +static void rs_sched_event(struct async_struct *info, + int event) { info->event |= 1 << event; tasklet_schedule(&info->tlet); } -static _INLINE_ void receive_chars(struct async_struct *info) +static void receive_chars(struct async_struct *info) { int status; int serdatr; @@ -349,7 +343,7 @@ out: return; } -static _INLINE_ void transmit_chars(struct async_struct *info) +static void transmit_chars(struct async_struct *info) { custom.intreq = IF_TBE; mb(); @@ -389,7 +383,7 @@ static _INLINE_ void transmit_chars(struct async_struct *info) } } -static _INLINE_ void check_modem_status(struct async_struct *info) +static void check_modem_status(struct async_struct *info) { unsigned char status = ciab.pra & (SER_DCD | SER_CTS | SER_DSR); unsigned char dstatus; @@ -1959,7 +1953,7 @@ done: * number, and identifies which options were configured into this * driver. */ -static _INLINE_ void show_serial_version(void) +static void show_serial_version(void) { printk(KERN_INFO "%s version %s\n", serial_name, serial_version); } diff --git a/drivers/char/generic_serial.c b/drivers/char/generic_serial.c index e38a5f0e07bb..5e59c0b42731 100644 --- a/drivers/char/generic_serial.c +++ b/drivers/char/generic_serial.c @@ -48,8 +48,8 @@ static int gs_debug; #define NEW_WRITE_LOCKING 1 #if NEW_WRITE_LOCKING #define DECL /* Nothing */ -#define LOCKIT down (& port->port_write_sem); -#define RELEASEIT up (&port->port_write_sem); +#define LOCKIT mutex_lock(& port->port_write_mutex); +#define RELEASEIT mutex_unlock(&port->port_write_mutex); #else #define DECL unsigned long flags; #define LOCKIT save_flags (flags);cli () @@ -124,14 +124,14 @@ int gs_write(struct tty_struct * tty, /* get exclusive "write" access to this port (problem 3) */ /* This is not a spinlock because we can have a disk access (page fault) in copy_from_user */ - down (& port->port_write_sem); + mutex_lock(& port->port_write_mutex); while (1) { c = count; /* This is safe because we "OWN" the "head". Noone else can - change the "head": we own the port_write_sem. */ + change the "head": we own the port_write_mutex. */ /* Don't overrun the end of the buffer */ t = SERIAL_XMIT_SIZE - port->xmit_head; if (t < c) c = t; @@ -153,7 +153,7 @@ int gs_write(struct tty_struct * tty, count -= c; total += c; } - up (& port->port_write_sem); + mutex_unlock(& port->port_write_mutex); gs_dprintk (GS_DEBUG_WRITE, "write: interrupts are %s\n", (port->flags & GS_TX_INTEN)?"enabled": "disabled"); @@ -214,7 +214,7 @@ int gs_write(struct tty_struct * tty, c = count; /* This is safe because we "OWN" the "head". Noone else can - change the "head": we own the port_write_sem. */ + change the "head": we own the port_write_mutex. */ /* Don't overrun the end of the buffer */ t = SERIAL_XMIT_SIZE - port->xmit_head; if (t < c) c = t; @@ -888,7 +888,7 @@ int gs_init_port(struct gs_port *port) spin_lock_irqsave (&port->driver_lock, flags); if (port->tty) clear_bit(TTY_IO_ERROR, &port->tty->flags); - init_MUTEX(&port->port_write_sem); + mutex_init(&port->port_write_mutex); port->xmit_cnt = port->xmit_head = port->xmit_tail = 0; spin_unlock_irqrestore(&port->driver_lock, flags); gs_set_termios(port->tty, NULL); diff --git a/drivers/char/istallion.c b/drivers/char/istallion.c index 28c5a3193b81..ede128356af2 100644 --- a/drivers/char/istallion.c +++ b/drivers/char/istallion.c @@ -181,7 +181,6 @@ static struct tty_driver *stli_serial; * is already swapping a shared buffer won't make things any worse. */ static char *stli_tmpwritebuf; -static DECLARE_MUTEX(stli_tmpwritesem); #define STLI_TXBUFSIZE 4096 diff --git a/drivers/char/n_tty.c b/drivers/char/n_tty.c index ccad7ae94541..ede365d05387 100644 --- a/drivers/char/n_tty.c +++ b/drivers/char/n_tty.c @@ -132,7 +132,7 @@ static void put_tty_queue(unsigned char c, struct tty_struct *tty) * We test the TTY_THROTTLED bit first so that it always * indicates the current state. The decision about whether * it is worth allowing more input has been taken by the caller. - * Can sleep, may be called under the atomic_read semaphore but + * Can sleep, may be called under the atomic_read_lock mutex but * this is not guaranteed. */ @@ -1132,7 +1132,7 @@ static inline int input_available_p(struct tty_struct *tty, int amt) * buffer, and once to drain the space from the (physical) beginning of * the buffer to head pointer. * - * Called under the tty->atomic_read sem and with TTY_DONT_FLIP set + * Called under the tty->atomic_read_lock sem and with TTY_DONT_FLIP set * */ @@ -1262,11 +1262,11 @@ do_it_again: * Internal serialization of reads. */ if (file->f_flags & O_NONBLOCK) { - if (down_trylock(&tty->atomic_read)) + if (!mutex_trylock(&tty->atomic_read_lock)) return -EAGAIN; } else { - if (down_interruptible(&tty->atomic_read)) + if (mutex_lock_interruptible(&tty->atomic_read_lock)) return -ERESTARTSYS; } @@ -1393,7 +1393,7 @@ do_it_again: timeout = time; } clear_bit(TTY_DONT_FLIP, &tty->flags); - up(&tty->atomic_read); + mutex_unlock(&tty->atomic_read_lock); remove_wait_queue(&tty->read_wait, &wait); if (!waitqueue_active(&tty->read_wait)) diff --git a/drivers/char/nwflash.c b/drivers/char/nwflash.c index ca41d62b1d9d..8865387d3448 100644 --- a/drivers/char/nwflash.c +++ b/drivers/char/nwflash.c @@ -27,6 +27,7 @@ #include <linux/rwsem.h> #include <linux/init.h> #include <linux/smp_lock.h> +#include <linux/mutex.h> #include <asm/hardware/dec21285.h> #include <asm/io.h> @@ -56,7 +57,7 @@ static int gbWriteEnable; static int gbWriteBase64Enable; static volatile unsigned char *FLASH_BASE; static int gbFlashSize = KFLASH_SIZE; -static DECLARE_MUTEX(nwflash_sem); +static DEFINE_MUTEX(nwflash_mutex); extern spinlock_t gpio_lock; @@ -140,7 +141,7 @@ static ssize_t flash_read(struct file *file, char __user *buf, size_t size, /* * We now lock against reads and writes. --rmk */ - if (down_interruptible(&nwflash_sem)) + if (mutex_lock_interruptible(&nwflash_mutex)) return -ERESTARTSYS; ret = copy_to_user(buf, (void *)(FLASH_BASE + p), count); @@ -149,7 +150,7 @@ static ssize_t flash_read(struct file *file, char __user *buf, size_t size, *ppos += count; } else ret = -EFAULT; - up(&nwflash_sem); + mutex_unlock(&nwflash_mutex); } return ret; } @@ -188,7 +189,7 @@ static ssize_t flash_write(struct file *file, const char __user *buf, /* * We now lock against reads and writes. --rmk */ - if (down_interruptible(&nwflash_sem)) + if (mutex_lock_interruptible(&nwflash_mutex)) return -ERESTARTSYS; written = 0; @@ -277,7 +278,7 @@ static ssize_t flash_write(struct file *file, const char __user *buf, */ leds_event(led_release); - up(&nwflash_sem); + mutex_unlock(&nwflash_mutex); return written; } diff --git a/drivers/char/raw.c b/drivers/char/raw.c index 30e4cbe16bb0..15a7b4086524 100644 --- a/drivers/char/raw.c +++ b/drivers/char/raw.c @@ -19,6 +19,7 @@ #include <linux/uio.h> #include <linux/cdev.h> #include <linux/device.h> +#include <linux/mutex.h> #include <asm/uaccess.h> @@ -29,7 +30,7 @@ struct raw_device_data { static struct class *raw_class; static struct raw_device_data raw_devices[MAX_RAW_MINORS]; -static DECLARE_MUTEX(raw_mutex); +static DEFINE_MUTEX(raw_mutex); static struct file_operations raw_ctl_fops; /* forward declaration */ /* @@ -53,7 +54,7 @@ static int raw_open(struct inode *inode, struct file *filp) return 0; } - down(&raw_mutex); + mutex_lock(&raw_mutex); /* * All we need to do on open is check that the device is bound. @@ -78,7 +79,7 @@ static int raw_open(struct inode *inode, struct file *filp) filp->f_dentry->d_inode->i_mapping = bdev->bd_inode->i_mapping; filp->private_data = bdev; - up(&raw_mutex); + mutex_unlock(&raw_mutex); return 0; out2: @@ -86,7 +87,7 @@ out2: out1: blkdev_put(bdev); out: - up(&raw_mutex); + mutex_unlock(&raw_mutex); return err; } @@ -99,14 +100,14 @@ static int raw_release(struct inode *inode, struct file *filp) const int minor= iminor(inode); struct block_device *bdev; - down(&raw_mutex); + mutex_lock(&raw_mutex); bdev = raw_devices[minor].binding; if (--raw_devices[minor].inuse == 0) { /* Here inode->i_mapping == bdev->bd_inode->i_mapping */ inode->i_mapping = &inode->i_data; inode->i_mapping->backing_dev_info = &default_backing_dev_info; } - up(&raw_mutex); + mutex_unlock(&raw_mutex); bd_release(bdev); blkdev_put(bdev); @@ -187,9 +188,9 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp, goto out; } - down(&raw_mutex); + mutex_lock(&raw_mutex); if (rawdev->inuse) { - up(&raw_mutex); + mutex_unlock(&raw_mutex); err = -EBUSY; goto out; } @@ -211,11 +212,11 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp, bind_device(&rq); } } - up(&raw_mutex); + mutex_unlock(&raw_mutex); } else { struct block_device *bdev; - down(&raw_mutex); + mutex_lock(&raw_mutex); bdev = rawdev->binding; if (bdev) { rq.block_major = MAJOR(bdev->bd_dev); @@ -223,7 +224,7 @@ static int raw_ctl_ioctl(struct inode *inode, struct file *filp, } else { rq.block_major = rq.block_minor = 0; } - up(&raw_mutex); + mutex_unlock(&raw_mutex); if (copy_to_user((void __user *)arg, &rq, sizeof(rq))) { err = -EFAULT; goto out; diff --git a/drivers/char/ser_a2232.c b/drivers/char/ser_a2232.c index fee68cc895f8..510bd3e0e88b 100644 --- a/drivers/char/ser_a2232.c +++ b/drivers/char/ser_a2232.c @@ -97,7 +97,7 @@ #include <asm/amigahw.h> #include <linux/zorro.h> #include <asm/irq.h> -#include <asm/semaphore.h> +#include <linux/mutex.h> #include <linux/delay.h> @@ -654,7 +654,7 @@ static void a2232_init_portstructs(void) port->gs.closing_wait = 30 * HZ; port->gs.rd = &a2232_real_driver; #ifdef NEW_WRITE_LOCKING - init_MUTEX(&(port->gs.port_write_sem)); + init_MUTEX(&(port->gs.port_write_mutex)); #endif init_waitqueue_head(&port->gs.open_wait); init_waitqueue_head(&port->gs.close_wait); diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c index 0e7d216e7eb0..b543821d8cb4 100644 --- a/drivers/char/snsc.c +++ b/drivers/char/snsc.c @@ -5,7 +5,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2004, 2006 Silicon Graphics, Inc. All rights reserved. */ /* @@ -77,7 +77,7 @@ scdrv_open(struct inode *inode, struct file *file) scd = container_of(inode->i_cdev, struct sysctl_data_s, scd_cdev); /* allocate memory for subchannel data */ - sd = kmalloc(sizeof (struct subch_data_s), GFP_KERNEL); + sd = kzalloc(sizeof (struct subch_data_s), GFP_KERNEL); if (sd == NULL) { printk("%s: couldn't allocate subchannel data\n", __FUNCTION__); @@ -85,7 +85,6 @@ scdrv_open(struct inode *inode, struct file *file) } /* initialize subch_data_s fields */ - memset(sd, 0, sizeof (struct subch_data_s)); sd->sd_nasid = scd->scd_nasid; sd->sd_subch = ia64_sn_irtr_open(scd->scd_nasid); @@ -394,7 +393,7 @@ scdrv_init(void) sprintf(devnamep, "#%d", geo_slab(geoid)); /* allocate sysctl device data */ - scd = kmalloc(sizeof (struct sysctl_data_s), + scd = kzalloc(sizeof (struct sysctl_data_s), GFP_KERNEL); if (!scd) { printk("%s: failed to allocate device info" @@ -402,7 +401,6 @@ scdrv_init(void) SYSCTL_BASENAME, devname); continue; } - memset(scd, 0, sizeof (struct sysctl_data_s)); /* initialize sysctl device data fields */ scd->scd_nasid = cnodeid_to_nasid(cnode); diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c index a4fa507eed9e..e234d50e142a 100644 --- a/drivers/char/snsc_event.c +++ b/drivers/char/snsc_event.c @@ -287,7 +287,7 @@ scdrv_event_init(struct sysctl_data_s *scd) { int rv; - event_sd = kmalloc(sizeof (struct subch_data_s), GFP_KERNEL); + event_sd = kzalloc(sizeof (struct subch_data_s), GFP_KERNEL); if (event_sd == NULL) { printk(KERN_WARNING "%s: couldn't allocate subchannel info" " for event monitoring\n", __FUNCTION__); @@ -295,7 +295,6 @@ scdrv_event_init(struct sysctl_data_s *scd) } /* initialize subch_data_s fields */ - memset(event_sd, 0, sizeof (struct subch_data_s)); event_sd->sd_nasid = scd->scd_nasid; spin_lock_init(&event_sd->sd_rlock); @@ -321,5 +320,3 @@ scdrv_event_init(struct sysctl_data_s *scd) return; } } - - diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c index bdaab6992109..3f5d6077f39c 100644 --- a/drivers/char/stallion.c +++ b/drivers/char/stallion.c @@ -148,7 +148,6 @@ static struct tty_driver *stl_serial; * is already swapping a shared buffer won't make things any worse. */ static char *stl_tmpwritebuf; -static DECLARE_MUTEX(stl_tmpwritesem); /* * Define a local default termios struct. All ports will be created diff --git a/drivers/char/sx.c b/drivers/char/sx.c index a6b4f02bdceb..3b4747230270 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -2318,7 +2318,7 @@ static int sx_init_portstructs (int nboards, int nports) port->board = board; port->gs.rd = &sx_real_driver; #ifdef NEW_WRITE_LOCKING - port->gs.port_write_sem = MUTEX; + port->gs.port_write_mutex = MUTEX; #endif port->gs.driver_lock = SPIN_LOCK_UNLOCKED; /* diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index 53d3d066554e..76592ee1fb38 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -130,7 +130,7 @@ LIST_HEAD(tty_drivers); /* linked list of tty drivers */ /* Semaphore to protect creating and releasing a tty. This is shared with vt.c for deeply disgusting hack reasons */ -DECLARE_MUTEX(tty_sem); +DEFINE_MUTEX(tty_mutex); #ifdef CONFIG_UNIX98_PTYS extern struct tty_driver *ptm_driver; /* Unix98 pty masters; for /dev/ptmx */ @@ -1188,11 +1188,11 @@ void disassociate_ctty(int on_exit) lock_kernel(); - down(&tty_sem); + mutex_lock(&tty_mutex); tty = current->signal->tty; if (tty) { tty_pgrp = tty->pgrp; - up(&tty_sem); + mutex_unlock(&tty_mutex); if (on_exit && tty->driver->type != TTY_DRIVER_TYPE_PTY) tty_vhangup(tty); } else { @@ -1200,7 +1200,7 @@ void disassociate_ctty(int on_exit) kill_pg(current->signal->tty_old_pgrp, SIGHUP, on_exit); kill_pg(current->signal->tty_old_pgrp, SIGCONT, on_exit); } - up(&tty_sem); + mutex_unlock(&tty_mutex); unlock_kernel(); return; } @@ -1211,7 +1211,7 @@ void disassociate_ctty(int on_exit) } /* Must lock changes to tty_old_pgrp */ - down(&tty_sem); + mutex_lock(&tty_mutex); current->signal->tty_old_pgrp = 0; tty->session = 0; tty->pgrp = -1; @@ -1222,7 +1222,7 @@ void disassociate_ctty(int on_exit) p->signal->tty = NULL; } while_each_task_pid(current->signal->session, PIDTYPE_SID, p); read_unlock(&tasklist_lock); - up(&tty_sem); + mutex_unlock(&tty_mutex); unlock_kernel(); } @@ -1306,7 +1306,7 @@ static inline ssize_t do_tty_write( ssize_t ret = 0, written = 0; unsigned int chunk; - if (down_interruptible(&tty->atomic_write)) { + if (mutex_lock_interruptible(&tty->atomic_write_lock)) { return -ERESTARTSYS; } @@ -1329,7 +1329,7 @@ static inline ssize_t do_tty_write( if (count < chunk) chunk = count; - /* write_buf/write_cnt is protected by the atomic_write semaphore */ + /* write_buf/write_cnt is protected by the atomic_write_lock mutex */ if (tty->write_cnt < chunk) { unsigned char *buf; @@ -1338,7 +1338,7 @@ static inline ssize_t do_tty_write( buf = kmalloc(chunk, GFP_KERNEL); if (!buf) { - up(&tty->atomic_write); + mutex_unlock(&tty->atomic_write_lock); return -ENOMEM; } kfree(tty->write_buf); @@ -1374,7 +1374,7 @@ static inline ssize_t do_tty_write( inode->i_mtime = current_fs_time(inode->i_sb); ret = written; } - up(&tty->atomic_write); + mutex_unlock(&tty->atomic_write_lock); return ret; } @@ -1442,8 +1442,8 @@ static inline void tty_line_name(struct tty_driver *driver, int index, char *p) /* * WSH 06/09/97: Rewritten to remove races and properly clean up after a - * failed open. The new code protects the open with a semaphore, so it's - * really quite straightforward. The semaphore locking can probably be + * failed open. The new code protects the open with a mutex, so it's + * really quite straightforward. The mutex locking can probably be * relaxed for the (most common) case of reopening a tty. */ static int init_dev(struct tty_driver *driver, int idx, @@ -1640,7 +1640,7 @@ fast_track: success: *ret_tty = tty; - /* All paths come through here to release the semaphore */ + /* All paths come through here to release the mutex */ end_init: return retval; @@ -1837,7 +1837,7 @@ static void release_dev(struct file * filp) /* Guard against races with tty->count changes elsewhere and opens on /dev/tty */ - down(&tty_sem); + mutex_lock(&tty_mutex); tty_closing = tty->count <= 1; o_tty_closing = o_tty && (o_tty->count <= (pty_master ? 1 : 0)); @@ -1868,7 +1868,7 @@ static void release_dev(struct file * filp) printk(KERN_WARNING "release_dev: %s: read/write wait queue " "active!\n", tty_name(tty, buf)); - up(&tty_sem); + mutex_unlock(&tty_mutex); schedule(); } @@ -1934,7 +1934,7 @@ static void release_dev(struct file * filp) read_unlock(&tasklist_lock); } - up(&tty_sem); + mutex_unlock(&tty_mutex); /* check whether both sides are closing ... */ if (!tty_closing || (o_tty && !o_tty_closing)) @@ -2040,11 +2040,11 @@ retry_open: index = -1; retval = 0; - down(&tty_sem); + mutex_lock(&tty_mutex); if (device == MKDEV(TTYAUX_MAJOR,0)) { if (!current->signal->tty) { - up(&tty_sem); + mutex_unlock(&tty_mutex); return -ENXIO; } driver = current->signal->tty->driver; @@ -2070,18 +2070,18 @@ retry_open: noctty = 1; goto got_driver; } - up(&tty_sem); + mutex_unlock(&tty_mutex); return -ENODEV; } driver = get_tty_driver(device, &index); if (!driver) { - up(&tty_sem); + mutex_unlock(&tty_mutex); return -ENODEV; } got_driver: retval = init_dev(driver, index, &tty); - up(&tty_sem); + mutex_unlock(&tty_mutex); if (retval) return retval; @@ -2167,9 +2167,9 @@ static int ptmx_open(struct inode * inode, struct file * filp) } up(&allocated_ptys_lock); - down(&tty_sem); + mutex_lock(&tty_mutex); retval = init_dev(ptm_driver, index, &tty); - up(&tty_sem); + mutex_unlock(&tty_mutex); if (retval) goto out; @@ -2915,8 +2915,8 @@ static void initialize_tty_struct(struct tty_struct *tty) init_waitqueue_head(&tty->write_wait); init_waitqueue_head(&tty->read_wait); INIT_WORK(&tty->hangup_work, do_tty_hangup, tty); - sema_init(&tty->atomic_read, 1); - sema_init(&tty->atomic_write, 1); + mutex_init(&tty->atomic_read_lock); + mutex_init(&tty->atomic_write_lock); spin_lock_init(&tty->read_lock); INIT_LIST_HEAD(&tty->tty_files); INIT_WORK(&tty->SAK_work, NULL, NULL); diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c index d9325281e482..fd00822ac145 100644 --- a/drivers/char/vme_scc.c +++ b/drivers/char/vme_scc.c @@ -184,7 +184,7 @@ static void scc_init_portstructs(void) port->gs.closing_wait = 30 * HZ; port->gs.rd = &scc_real_driver; #ifdef NEW_WRITE_LOCKING - port->gs.port_write_sem = MUTEX; + port->gs.port_write_mutex = MUTEX; #endif init_waitqueue_head(&port->gs.open_wait); init_waitqueue_head(&port->gs.close_wait); diff --git a/drivers/char/vt.c b/drivers/char/vt.c index 0900d1dbee59..ca4844c527da 100644 --- a/drivers/char/vt.c +++ b/drivers/char/vt.c @@ -2489,7 +2489,7 @@ static int con_open(struct tty_struct *tty, struct file *filp) } /* - * We take tty_sem in here to prevent another thread from coming in via init_dev + * We take tty_mutex in here to prevent another thread from coming in via init_dev * and taking a ref against the tty while we're in the process of forgetting * about it and cleaning things up. * @@ -2497,7 +2497,7 @@ static int con_open(struct tty_struct *tty, struct file *filp) */ static void con_close(struct tty_struct *tty, struct file *filp) { - down(&tty_sem); + mutex_lock(&tty_mutex); acquire_console_sem(); if (tty && tty->count == 1) { struct vc_data *vc = tty->driver_data; @@ -2507,15 +2507,15 @@ static void con_close(struct tty_struct *tty, struct file *filp) tty->driver_data = NULL; release_console_sem(); vcs_remove_devfs(tty); - up(&tty_sem); + mutex_unlock(&tty_mutex); /* - * tty_sem is released, but we still hold BKL, so there is + * tty_mutex is released, but we still hold BKL, so there is * still exclusion against init_dev() */ return; } release_console_sem(); - up(&tty_sem); + mutex_unlock(&tty_mutex); } static void vc_init(struct vc_data *vc, unsigned int rows, @@ -2869,9 +2869,9 @@ void unblank_screen(void) } /* - * We defer the timer blanking to work queue so it can take the console semaphore + * We defer the timer blanking to work queue so it can take the console mutex * (console operations can still happen at irq time, but only from printk which - * has the console semaphore. Not perfect yet, but better than no locking + * has the console mutex. Not perfect yet, but better than no locking */ static void blank_screen_t(unsigned long dummy) { @@ -3234,6 +3234,14 @@ void vcs_scr_writew(struct vc_data *vc, u16 val, u16 *org) } } +int is_console_suspend_safe(void) +{ + /* It is unsafe to suspend devices while X has control of the + * hardware. Make sure we are running on a kernel-controlled console. + */ + return vc_cons[fg_console].d->vc_mode == KD_TEXT; +} + /* * Visible symbols for modules */ diff --git a/drivers/char/watchdog/pcwd_usb.c b/drivers/char/watchdog/pcwd_usb.c index 1533f56baa42..2700c5c45b8a 100644 --- a/drivers/char/watchdog/pcwd_usb.c +++ b/drivers/char/watchdog/pcwd_usb.c @@ -42,6 +42,7 @@ #include <linux/completion.h> #include <asm/uaccess.h> #include <linux/usb.h> +#include <linux/mutex.h> #ifdef CONFIG_USB_DEBUG @@ -143,7 +144,7 @@ struct usb_pcwd_private { static struct usb_pcwd_private *usb_pcwd_device; /* prevent races between open() and disconnect() */ -static DECLARE_MUTEX (disconnect_sem); +static DEFINE_MUTEX(disconnect_mutex); /* local function prototypes */ static int usb_pcwd_probe (struct usb_interface *interface, const struct usb_device_id *id); @@ -723,7 +724,7 @@ static void usb_pcwd_disconnect(struct usb_interface *interface) struct usb_pcwd_private *usb_pcwd; /* prevent races with open() */ - down (&disconnect_sem); + mutex_lock(&disconnect_mutex); usb_pcwd = usb_get_intfdata (interface); usb_set_intfdata (interface, NULL); @@ -749,7 +750,7 @@ static void usb_pcwd_disconnect(struct usb_interface *interface) cards_found--; - up (&disconnect_sem); + mutex_unlock(&disconnect_mutex); printk(KERN_INFO PFX "USB PC Watchdog disconnected\n"); } diff --git a/drivers/connector/connector.c b/drivers/connector/connector.c index d7125f4d9113..35897079a78d 100644 --- a/drivers/connector/connector.c +++ b/drivers/connector/connector.c @@ -26,6 +26,7 @@ #include <linux/netlink.h> #include <linux/moduleparam.h> #include <linux/connector.h> +#include <linux/mutex.h> #include <net/sock.h> @@ -41,7 +42,7 @@ module_param(cn_val, uint, 0); MODULE_PARM_DESC(cn_idx, "Connector's main device idx."); MODULE_PARM_DESC(cn_val, "Connector's main device val."); -static DECLARE_MUTEX(notify_lock); +static DEFINE_MUTEX(notify_lock); static LIST_HEAD(notify_list); static struct cn_dev cdev; @@ -260,7 +261,7 @@ static void cn_notify(struct cb_id *id, u32 notify_event) { struct cn_ctl_entry *ent; - down(¬ify_lock); + mutex_lock(¬ify_lock); list_for_each_entry(ent, ¬ify_list, notify_entry) { int i; struct cn_notify_req *req; @@ -293,7 +294,7 @@ static void cn_notify(struct cb_id *id, u32 notify_event) cn_netlink_send(&m, ctl->group, GFP_KERNEL); } } - up(¬ify_lock); + mutex_unlock(¬ify_lock); } /* @@ -407,14 +408,14 @@ static void cn_callback(void *data) if (ctl->group == 0) { struct cn_ctl_entry *n; - down(¬ify_lock); + mutex_lock(¬ify_lock); list_for_each_entry_safe(ent, n, ¬ify_list, notify_entry) { if (cn_ctl_msg_equals(ent->msg, ctl)) { list_del(&ent->notify_entry); kfree(ent); } } - up(¬ify_lock); + mutex_unlock(¬ify_lock); return; } @@ -429,9 +430,9 @@ static void cn_callback(void *data) memcpy(ent->msg, ctl, size - sizeof(*ent)); - down(¬ify_lock); + mutex_lock(¬ify_lock); list_add(&ent->notify_entry, ¬ify_list); - up(¬ify_lock); + mutex_unlock(¬ify_lock); } static int __init cn_init(void) diff --git a/drivers/firmware/dcdbas.c b/drivers/firmware/dcdbas.c index 3a4e5c5b4e1f..d6543fc4a923 100644 --- a/drivers/firmware/dcdbas.c +++ b/drivers/firmware/dcdbas.c @@ -33,6 +33,7 @@ #include <linux/spinlock.h> #include <linux/string.h> #include <linux/types.h> +#include <linux/mutex.h> #include <asm/io.h> #include <asm/semaphore.h> @@ -48,7 +49,7 @@ static u8 *smi_data_buf; static dma_addr_t smi_data_buf_handle; static unsigned long smi_data_buf_size; static u32 smi_data_buf_phys_addr; -static DECLARE_MUTEX(smi_data_lock); +static DEFINE_MUTEX(smi_data_lock); static unsigned int host_control_action; static unsigned int host_control_smi_type; @@ -139,9 +140,9 @@ static ssize_t smi_data_buf_size_store(struct device *dev, buf_size = simple_strtoul(buf, NULL, 10); /* make sure SMI data buffer is at least buf_size */ - down(&smi_data_lock); + mutex_lock(&smi_data_lock); ret = smi_data_buf_realloc(buf_size); - up(&smi_data_lock); + mutex_unlock(&smi_data_lock); if (ret) return ret; @@ -154,7 +155,7 @@ static ssize_t smi_data_read(struct kobject *kobj, char *buf, loff_t pos, size_t max_read; ssize_t ret; - down(&smi_data_lock); + mutex_lock(&smi_data_lock); if (pos >= smi_data_buf_size) { ret = 0; @@ -165,7 +166,7 @@ static ssize_t smi_data_read(struct kobject *kobj, char *buf, loff_t pos, ret = min(max_read, count); memcpy(buf, smi_data_buf + pos, ret); out: - up(&smi_data_lock); + mutex_unlock(&smi_data_lock); return ret; } @@ -174,7 +175,7 @@ static ssize_t smi_data_write(struct kobject *kobj, char *buf, loff_t pos, { ssize_t ret; - down(&smi_data_lock); + mutex_lock(&smi_data_lock); ret = smi_data_buf_realloc(pos + count); if (ret) @@ -183,7 +184,7 @@ static ssize_t smi_data_write(struct kobject *kobj, char *buf, loff_t pos, memcpy(smi_data_buf + pos, buf, count); ret = count; out: - up(&smi_data_lock); + mutex_unlock(&smi_data_lock); return ret; } @@ -201,9 +202,9 @@ static ssize_t host_control_action_store(struct device *dev, ssize_t ret; /* make sure buffer is available for host control command */ - down(&smi_data_lock); + mutex_lock(&smi_data_lock); ret = smi_data_buf_realloc(sizeof(struct apm_cmd)); - up(&smi_data_lock); + mutex_unlock(&smi_data_lock); if (ret) return ret; @@ -302,7 +303,7 @@ static ssize_t smi_request_store(struct device *dev, unsigned long val = simple_strtoul(buf, NULL, 10); ssize_t ret; - down(&smi_data_lock); + mutex_lock(&smi_data_lock); if (smi_data_buf_size < sizeof(struct smi_cmd)) { ret = -ENODEV; @@ -334,7 +335,7 @@ static ssize_t smi_request_store(struct device *dev, } out: - up(&smi_data_lock); + mutex_unlock(&smi_data_lock); return ret; } diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 3325660f7248..c7671e188017 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -313,6 +313,7 @@ #include <linux/cdrom.h> #include <linux/ide.h> #include <linux/completion.h> +#include <linux/mutex.h> #include <scsi/scsi.h> /* For SCSI -> ATAPI command conversion */ @@ -324,7 +325,7 @@ #include "ide-cd.h" -static DECLARE_MUTEX(idecd_ref_sem); +static DEFINE_MUTEX(idecd_ref_mutex); #define to_ide_cd(obj) container_of(obj, struct cdrom_info, kref) @@ -335,11 +336,11 @@ static struct cdrom_info *ide_cd_get(struct gendisk *disk) { struct cdrom_info *cd = NULL; - down(&idecd_ref_sem); + mutex_lock(&idecd_ref_mutex); cd = ide_cd_g(disk); if (cd) kref_get(&cd->kref); - up(&idecd_ref_sem); + mutex_unlock(&idecd_ref_mutex); return cd; } @@ -347,9 +348,9 @@ static void ide_cd_release(struct kref *); static void ide_cd_put(struct cdrom_info *cd) { - down(&idecd_ref_sem); + mutex_lock(&idecd_ref_mutex); kref_put(&cd->kref, ide_cd_release); - up(&idecd_ref_sem); + mutex_unlock(&idecd_ref_mutex); } /**************************************************************************** @@ -2471,52 +2472,6 @@ static int ide_cdrom_packet(struct cdrom_device_info *cdi, } static -int ide_cdrom_dev_ioctl (struct cdrom_device_info *cdi, - unsigned int cmd, unsigned long arg) -{ - struct packet_command cgc; - char buffer[16]; - int stat; - - init_cdrom_command(&cgc, buffer, sizeof(buffer), CGC_DATA_UNKNOWN); - - /* These will be moved into the Uniform layer shortly... */ - switch (cmd) { - case CDROMSETSPINDOWN: { - char spindown; - - if (copy_from_user(&spindown, (void __user *) arg, sizeof(char))) - return -EFAULT; - - if ((stat = cdrom_mode_sense(cdi, &cgc, GPMODE_CDROM_PAGE, 0))) - return stat; - - buffer[11] = (buffer[11] & 0xf0) | (spindown & 0x0f); - - return cdrom_mode_select(cdi, &cgc); - } - - case CDROMGETSPINDOWN: { - char spindown; - - if ((stat = cdrom_mode_sense(cdi, &cgc, GPMODE_CDROM_PAGE, 0))) - return stat; - - spindown = buffer[11] & 0x0f; - - if (copy_to_user((void __user *) arg, &spindown, sizeof (char))) - return -EFAULT; - - return 0; - } - - default: - return -EINVAL; - } - -} - -static int ide_cdrom_audio_ioctl (struct cdrom_device_info *cdi, unsigned int cmd, void *arg) @@ -2852,12 +2807,11 @@ static struct cdrom_device_ops ide_cdrom_dops = { .get_mcn = ide_cdrom_get_mcn, .reset = ide_cdrom_reset, .audio_ioctl = ide_cdrom_audio_ioctl, - .dev_ioctl = ide_cdrom_dev_ioctl, .capability = CDC_CLOSE_TRAY | CDC_OPEN_TRAY | CDC_LOCK | CDC_SELECT_SPEED | CDC_SELECT_DISC | CDC_MULTI_SESSION | CDC_MCN | CDC_MEDIA_CHANGED | CDC_PLAY_AUDIO | CDC_RESET | - CDC_IOCTLS | CDC_DRIVE_STATUS | CDC_CD_R | + CDC_DRIVE_STATUS | CDC_CD_R | CDC_CD_RW | CDC_DVD | CDC_DVD_R| CDC_DVD_RAM | CDC_GENERIC_PACKET | CDC_MO_DRIVE | CDC_MRW | CDC_MRW_W | CDC_RAM, @@ -3367,6 +3321,45 @@ static int idecd_release(struct inode * inode, struct file * file) return 0; } +static int idecd_set_spindown(struct cdrom_device_info *cdi, unsigned long arg) +{ + struct packet_command cgc; + char buffer[16]; + int stat; + char spindown; + + if (copy_from_user(&spindown, (void __user *)arg, sizeof(char))) + return -EFAULT; + + init_cdrom_command(&cgc, buffer, sizeof(buffer), CGC_DATA_UNKNOWN); + + stat = cdrom_mode_sense(cdi, &cgc, GPMODE_CDROM_PAGE, 0); + if (stat) + return stat; + + buffer[11] = (buffer[11] & 0xf0) | (spindown & 0x0f); + return cdrom_mode_select(cdi, &cgc); +} + +static int idecd_get_spindown(struct cdrom_device_info *cdi, unsigned long arg) +{ + struct packet_command cgc; + char buffer[16]; + int stat; + char spindown; + + init_cdrom_command(&cgc, buffer, sizeof(buffer), CGC_DATA_UNKNOWN); + + stat = cdrom_mode_sense(cdi, &cgc, GPMODE_CDROM_PAGE, 0); + if (stat) + return stat; + + spindown = buffer[11] & 0x0f; + if (copy_to_user((void __user *)arg, &spindown, sizeof (char))) + return -EFAULT; + return 0; +} + static int idecd_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { @@ -3374,7 +3367,16 @@ static int idecd_ioctl (struct inode *inode, struct file *file, struct cdrom_info *info = ide_cd_g(bdev->bd_disk); int err; - err = generic_ide_ioctl(info->drive, file, bdev, cmd, arg); + switch (cmd) { + case CDROMSETSPINDOWN: + return idecd_set_spindown(&info->devinfo, arg); + case CDROMGETSPINDOWN: + return idecd_get_spindown(&info->devinfo, arg); + default: + break; + } + + err = generic_ide_ioctl(info->drive, file, bdev, cmd, arg); if (err == -EINVAL) err = cdrom_ioctl(file, &info->devinfo, inode, cmd, arg); diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c index 09086b8b6486..e238b7da824b 100644 --- a/drivers/ide/ide-disk.c +++ b/drivers/ide/ide-disk.c @@ -60,6 +60,7 @@ #include <linux/genhd.h> #include <linux/slab.h> #include <linux/delay.h> +#include <linux/mutex.h> #define _IDE_DISK @@ -78,7 +79,7 @@ struct ide_disk_obj { struct kref kref; }; -static DECLARE_MUTEX(idedisk_ref_sem); +static DEFINE_MUTEX(idedisk_ref_mutex); #define to_ide_disk(obj) container_of(obj, struct ide_disk_obj, kref) @@ -89,11 +90,11 @@ static struct ide_disk_obj *ide_disk_get(struct gendisk *disk) { struct ide_disk_obj *idkp = NULL; - down(&idedisk_ref_sem); + mutex_lock(&idedisk_ref_mutex); idkp = ide_disk_g(disk); if (idkp) kref_get(&idkp->kref); - up(&idedisk_ref_sem); + mutex_unlock(&idedisk_ref_mutex); return idkp; } @@ -101,9 +102,9 @@ static void ide_disk_release(struct kref *); static void ide_disk_put(struct ide_disk_obj *idkp) { - down(&idedisk_ref_sem); + mutex_lock(&idedisk_ref_mutex); kref_put(&idkp->kref, ide_disk_release); - up(&idedisk_ref_sem); + mutex_unlock(&idedisk_ref_mutex); } /* diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c index 1f8db9ac05d1..a53e3ce4a142 100644 --- a/drivers/ide/ide-floppy.c +++ b/drivers/ide/ide-floppy.c @@ -98,6 +98,7 @@ #include <linux/cdrom.h> #include <linux/ide.h> #include <linux/bitops.h> +#include <linux/mutex.h> #include <asm/byteorder.h> #include <asm/irq.h> @@ -517,7 +518,7 @@ typedef struct { u8 reserved[4]; } idefloppy_mode_parameter_header_t; -static DECLARE_MUTEX(idefloppy_ref_sem); +static DEFINE_MUTEX(idefloppy_ref_mutex); #define to_ide_floppy(obj) container_of(obj, struct ide_floppy_obj, kref) @@ -528,11 +529,11 @@ static struct ide_floppy_obj *ide_floppy_get(struct gendisk *disk) { struct ide_floppy_obj *floppy = NULL; - down(&idefloppy_ref_sem); + mutex_lock(&idefloppy_ref_mutex); floppy = ide_floppy_g(disk); if (floppy) kref_get(&floppy->kref); - up(&idefloppy_ref_sem); + mutex_unlock(&idefloppy_ref_mutex); return floppy; } @@ -540,9 +541,9 @@ static void ide_floppy_release(struct kref *); static void ide_floppy_put(struct ide_floppy_obj *floppy) { - down(&idefloppy_ref_sem); + mutex_lock(&idefloppy_ref_mutex); kref_put(&floppy->kref, ide_floppy_release); - up(&idefloppy_ref_sem); + mutex_unlock(&idefloppy_ref_mutex); } /* diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 0101d0def7c5..ebc59064b475 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -443,6 +443,7 @@ #include <linux/smp_lock.h> #include <linux/completion.h> #include <linux/bitops.h> +#include <linux/mutex.h> #include <asm/byteorder.h> #include <asm/irq.h> @@ -1011,7 +1012,7 @@ typedef struct ide_tape_obj { int debug_level; } idetape_tape_t; -static DECLARE_MUTEX(idetape_ref_sem); +static DEFINE_MUTEX(idetape_ref_mutex); static struct class *idetape_sysfs_class; @@ -1024,11 +1025,11 @@ static struct ide_tape_obj *ide_tape_get(struct gendisk *disk) { struct ide_tape_obj *tape = NULL; - down(&idetape_ref_sem); + mutex_lock(&idetape_ref_mutex); tape = ide_tape_g(disk); if (tape) kref_get(&tape->kref); - up(&idetape_ref_sem); + mutex_unlock(&idetape_ref_mutex); return tape; } @@ -1036,9 +1037,9 @@ static void ide_tape_release(struct kref *); static void ide_tape_put(struct ide_tape_obj *tape) { - down(&idetape_ref_sem); + mutex_lock(&idetape_ref_mutex); kref_put(&tape->kref, ide_tape_release); - up(&idetape_ref_sem); + mutex_unlock(&idetape_ref_mutex); } /* @@ -1290,11 +1291,11 @@ static struct ide_tape_obj *ide_tape_chrdev_get(unsigned int i) { struct ide_tape_obj *tape = NULL; - down(&idetape_ref_sem); + mutex_lock(&idetape_ref_mutex); tape = idetape_devs[i]; if (tape) kref_get(&tape->kref); - up(&idetape_ref_sem); + mutex_unlock(&idetape_ref_mutex); return tape; } @@ -4870,11 +4871,11 @@ static int ide_tape_probe(ide_drive_t *drive) drive->driver_data = tape; - down(&idetape_ref_sem); + mutex_lock(&idetape_ref_mutex); for (minor = 0; idetape_devs[minor]; minor++) ; idetape_devs[minor] = tape; - up(&idetape_ref_sem); + mutex_unlock(&idetape_ref_mutex); idetape_setup(drive, tape, minor); diff --git a/drivers/isdn/capi/kcapi.c b/drivers/isdn/capi/kcapi.c index feec40cf5900..8c4fcb9027b3 100644 --- a/drivers/isdn/capi/kcapi.c +++ b/drivers/isdn/capi/kcapi.c @@ -32,6 +32,7 @@ #ifdef CONFIG_AVMB1_COMPAT #include <linux/b1lli.h> #endif +#include <linux/mutex.h> static char *revision = "$Revision: 1.1.2.8 $"; @@ -66,7 +67,7 @@ LIST_HEAD(capi_drivers); DEFINE_RWLOCK(capi_drivers_list_lock); static DEFINE_RWLOCK(application_lock); -static DECLARE_MUTEX(controller_sem); +static DEFINE_MUTEX(controller_mutex); struct capi20_appl *capi_applications[CAPI_MAXAPPL]; struct capi_ctr *capi_cards[CAPI_MAXCONTR]; @@ -395,20 +396,20 @@ attach_capi_ctr(struct capi_ctr *card) { int i; - down(&controller_sem); + mutex_lock(&controller_mutex); for (i = 0; i < CAPI_MAXCONTR; i++) { if (capi_cards[i] == NULL) break; } if (i == CAPI_MAXCONTR) { - up(&controller_sem); + mutex_unlock(&controller_mutex); printk(KERN_ERR "kcapi: out of controller slots\n"); return -EBUSY; } capi_cards[i] = card; - up(&controller_sem); + mutex_unlock(&controller_mutex); card->nrecvctlpkt = 0; card->nrecvdatapkt = 0; @@ -531,13 +532,13 @@ u16 capi20_register(struct capi20_appl *ap) write_unlock_irqrestore(&application_lock, flags); - down(&controller_sem); + mutex_lock(&controller_mutex); for (i = 0; i < CAPI_MAXCONTR; i++) { if (!capi_cards[i] || capi_cards[i]->cardstate != CARD_RUNNING) continue; register_appl(capi_cards[i], applid, &ap->rparam); } - up(&controller_sem); + mutex_unlock(&controller_mutex); if (showcapimsgs & 1) { printk(KERN_DEBUG "kcapi: appl %d up\n", applid); @@ -560,13 +561,13 @@ u16 capi20_release(struct capi20_appl *ap) capi_applications[ap->applid - 1] = NULL; write_unlock_irqrestore(&application_lock, flags); - down(&controller_sem); + mutex_lock(&controller_mutex); for (i = 0; i < CAPI_MAXCONTR; i++) { if (!capi_cards[i] || capi_cards[i]->cardstate != CARD_RUNNING) continue; release_appl(capi_cards[i], ap->applid); } - up(&controller_sem); + mutex_unlock(&controller_mutex); flush_scheduled_work(); skb_queue_purge(&ap->recv_queue); diff --git a/drivers/isdn/hisax/config.c b/drivers/isdn/hisax/config.c index df9d65201819..27332506f9f7 100644 --- a/drivers/isdn/hisax/config.c +++ b/drivers/isdn/hisax/config.c @@ -25,7 +25,6 @@ #include <linux/workqueue.h> #include <linux/interrupt.h> #define HISAX_STATUS_BUFSIZE 4096 -#define INCLUDE_INLINE_FUNCS /* * This structure array contains one entry per card. An entry looks diff --git a/drivers/isdn/hisax/elsa.c b/drivers/isdn/hisax/elsa.c index 110e9fd669c5..f8ca4b323331 100644 --- a/drivers/isdn/hisax/elsa.c +++ b/drivers/isdn/hisax/elsa.c @@ -108,7 +108,6 @@ static const char *ITACVer[] = #define ELSA_ASSIGN 4 #define RS_ISR_PASS_LIMIT 256 -#define _INLINE_ inline #define FLG_MODEM_ACTIVE 1 /* IPAC AUX */ #define ELSA_IPAC_LINE_LED 0x40 /* Bit 6 Gelbe LED */ diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c index 690a1aae0b34..0c13795dca38 100644 --- a/drivers/net/loopback.c +++ b/drivers/net/loopback.c @@ -172,11 +172,9 @@ static struct net_device_stats *get_stats(struct net_device *dev) memset(stats, 0, sizeof(struct net_device_stats)); - for (i=0; i < NR_CPUS; i++) { + for_each_cpu(i) { struct net_device_stats *lb_stats; - if (!cpu_possible(i)) - continue; lb_stats = &per_cpu(loopback_stats, i); stats->rx_bytes += lb_stats->rx_bytes; stats->tx_bytes += lb_stats->tx_bytes; diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index f608c12e3e8b..b2073fce8216 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -46,6 +46,7 @@ #include <linux/rwsem.h> #include <linux/stddef.h> #include <linux/device.h> +#include <linux/mutex.h> #include <net/slhc_vj.h> #include <asm/atomic.h> @@ -198,11 +199,11 @@ static unsigned int cardmap_find_first_free(struct cardmap *map); static void cardmap_destroy(struct cardmap **map); /* - * all_ppp_sem protects the all_ppp_units mapping. + * all_ppp_mutex protects the all_ppp_units mapping. * It also ensures that finding a ppp unit in the all_ppp_units map * and updating its file.refcnt field is atomic. */ -static DECLARE_MUTEX(all_ppp_sem); +static DEFINE_MUTEX(all_ppp_mutex); static struct cardmap *all_ppp_units; static atomic_t ppp_unit_count = ATOMIC_INIT(0); @@ -804,7 +805,7 @@ static int ppp_unattached_ioctl(struct ppp_file *pf, struct file *file, /* Attach to an existing ppp unit */ if (get_user(unit, p)) break; - down(&all_ppp_sem); + mutex_lock(&all_ppp_mutex); err = -ENXIO; ppp = ppp_find_unit(unit); if (ppp != 0) { @@ -812,7 +813,7 @@ static int ppp_unattached_ioctl(struct ppp_file *pf, struct file *file, file->private_data = &ppp->file; err = 0; } - up(&all_ppp_sem); + mutex_unlock(&all_ppp_mutex); break; case PPPIOCATTCHAN: @@ -2446,7 +2447,7 @@ ppp_create_interface(int unit, int *retp) dev->do_ioctl = ppp_net_ioctl; ret = -EEXIST; - down(&all_ppp_sem); + mutex_lock(&all_ppp_mutex); if (unit < 0) unit = cardmap_find_first_free(all_ppp_units); else if (cardmap_get(all_ppp_units, unit) != NULL) @@ -2465,12 +2466,12 @@ ppp_create_interface(int unit, int *retp) atomic_inc(&ppp_unit_count); cardmap_set(&all_ppp_units, unit, ppp); - up(&all_ppp_sem); + mutex_unlock(&all_ppp_mutex); *retp = 0; return ppp; out2: - up(&all_ppp_sem); + mutex_unlock(&all_ppp_mutex); free_netdev(dev); out1: kfree(ppp); @@ -2500,7 +2501,7 @@ static void ppp_shutdown_interface(struct ppp *ppp) { struct net_device *dev; - down(&all_ppp_sem); + mutex_lock(&all_ppp_mutex); ppp_lock(ppp); dev = ppp->dev; ppp->dev = NULL; @@ -2514,7 +2515,7 @@ static void ppp_shutdown_interface(struct ppp *ppp) ppp->file.dead = 1; ppp->owner = NULL; wake_up_interruptible(&ppp->file.rwait); - up(&all_ppp_sem); + mutex_unlock(&all_ppp_mutex); } /* @@ -2556,7 +2557,7 @@ static void ppp_destroy_interface(struct ppp *ppp) /* * Locate an existing ppp unit. - * The caller should have locked the all_ppp_sem. + * The caller should have locked the all_ppp_mutex. */ static struct ppp * ppp_find_unit(int unit) @@ -2601,7 +2602,7 @@ ppp_connect_channel(struct channel *pch, int unit) int ret = -ENXIO; int hdrlen; - down(&all_ppp_sem); + mutex_lock(&all_ppp_mutex); ppp = ppp_find_unit(unit); if (ppp == 0) goto out; @@ -2626,7 +2627,7 @@ ppp_connect_channel(struct channel *pch, int unit) outl: write_unlock_bh(&pch->upl); out: - up(&all_ppp_sem); + mutex_unlock(&all_ppp_mutex); return ret; } diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index 78193e4bbdb5..330d3869b41e 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -38,9 +38,8 @@ void free_cpu_buffers(void) { int i; - for_each_online_cpu(i) { + for_each_online_cpu(i) vfree(cpu_buffer[i].buffer); - } } int alloc_cpu_buffers(void) diff --git a/drivers/pnp/pnpbios/rsparser.c b/drivers/pnp/pnpbios/rsparser.c index 5e38cd7335f7..c89c98a2cca8 100644 --- a/drivers/pnp/pnpbios/rsparser.c +++ b/drivers/pnp/pnpbios/rsparser.c @@ -448,11 +448,7 @@ pnpbios_parse_resource_option_data(unsigned char * p, unsigned char * end, struc break; case SMALL_TAG_END: - if (option_independent != option) - printk(KERN_WARNING "PnPBIOS: Missing SMALL_TAG_ENDDEP tag\n"); - p = p + 2; - return (unsigned char *)p; - break; + return p + 2; default: /* an unkown tag */ len_err: diff --git a/drivers/s390/block/dasd_ioctl.c b/drivers/s390/block/dasd_ioctl.c index fafeeae52675..f9930552ab54 100644 --- a/drivers/s390/block/dasd_ioctl.c +++ b/drivers/s390/block/dasd_ioctl.c @@ -151,9 +151,9 @@ dasd_ioctl_enable(struct block_device *bdev, int no, long args) return -ENODEV; dasd_enable_device(device); /* Formatting the dasd device can change the capacity. */ - down(&bdev->bd_sem); + mutex_lock(&bdev->bd_mutex); i_size_write(bdev->bd_inode, (loff_t)get_capacity(device->gdp) << 9); - up(&bdev->bd_sem); + mutex_unlock(&bdev->bd_mutex); return 0; } @@ -184,9 +184,9 @@ dasd_ioctl_disable(struct block_device *bdev, int no, long args) * Set i_size to zero, since read, write, etc. check against this * value. */ - down(&bdev->bd_sem); + mutex_lock(&bdev->bd_mutex); i_size_write(bdev->bd_inode, 0); - up(&bdev->bd_sem); + mutex_unlock(&bdev->bd_mutex); return 0; } diff --git a/drivers/scsi/ide-scsi.c b/drivers/scsi/ide-scsi.c index 0cf0e4c7ac0c..39b760a24241 100644 --- a/drivers/scsi/ide-scsi.c +++ b/drivers/scsi/ide-scsi.c @@ -47,6 +47,7 @@ #include <linux/ide.h> #include <linux/scatterlist.h> #include <linux/delay.h> +#include <linux/mutex.h> #include <asm/io.h> #include <asm/bitops.h> @@ -109,7 +110,7 @@ typedef struct ide_scsi_obj { unsigned long log; /* log flags */ } idescsi_scsi_t; -static DECLARE_MUTEX(idescsi_ref_sem); +static DEFINE_MUTEX(idescsi_ref_mutex); #define ide_scsi_g(disk) \ container_of((disk)->private_data, struct ide_scsi_obj, driver) @@ -118,19 +119,19 @@ static struct ide_scsi_obj *ide_scsi_get(struct gendisk *disk) { struct ide_scsi_obj *scsi = NULL; - down(&idescsi_ref_sem); + mutex_lock(&idescsi_ref_mutex); scsi = ide_scsi_g(disk); if (scsi) scsi_host_get(scsi->host); - up(&idescsi_ref_sem); + mutex_unlock(&idescsi_ref_mutex); return scsi; } static void ide_scsi_put(struct ide_scsi_obj *scsi) { - down(&idescsi_ref_sem); + mutex_lock(&idescsi_ref_mutex); scsi_host_put(scsi->host); - up(&idescsi_ref_sem); + mutex_unlock(&idescsi_ref_mutex); } static inline idescsi_scsi_t *scsihost_to_idescsi(struct Scsi_Host *host) diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c index f9c1192dc15e..7c80711e18ed 100644 --- a/drivers/scsi/sr.c +++ b/drivers/scsi/sr.c @@ -71,7 +71,7 @@ MODULE_ALIAS_BLOCKDEV_MAJOR(SCSI_CDROM_MAJOR); #define SR_CAPABILITIES \ (CDC_CLOSE_TRAY|CDC_OPEN_TRAY|CDC_LOCK|CDC_SELECT_SPEED| \ CDC_SELECT_DISC|CDC_MULTI_SESSION|CDC_MCN|CDC_MEDIA_CHANGED| \ - CDC_PLAY_AUDIO|CDC_RESET|CDC_IOCTLS|CDC_DRIVE_STATUS| \ + CDC_PLAY_AUDIO|CDC_RESET|CDC_DRIVE_STATUS| \ CDC_CD_R|CDC_CD_RW|CDC_DVD|CDC_DVD_R|CDC_DVD_RAM|CDC_GENERIC_PACKET| \ CDC_MRW|CDC_MRW_W|CDC_RAM) @@ -118,7 +118,6 @@ static struct cdrom_device_ops sr_dops = { .get_mcn = sr_get_mcn, .reset = sr_reset, .audio_ioctl = sr_audio_ioctl, - .dev_ioctl = sr_dev_ioctl, .capability = SR_CAPABILITIES, .generic_packet = sr_packet, }; @@ -456,17 +455,33 @@ static int sr_block_ioctl(struct inode *inode, struct file *file, unsigned cmd, { struct scsi_cd *cd = scsi_cd(inode->i_bdev->bd_disk); struct scsi_device *sdev = cd->device; + void __user *argp = (void __user *)arg; + int ret; - /* - * Send SCSI addressing ioctls directly to mid level, send other - * ioctls to cdrom/block level. - */ - switch (cmd) { - case SCSI_IOCTL_GET_IDLUN: - case SCSI_IOCTL_GET_BUS_NUMBER: - return scsi_ioctl(sdev, cmd, (void __user *)arg); + /* + * Send SCSI addressing ioctls directly to mid level, send other + * ioctls to cdrom/block level. + */ + switch (cmd) { + case SCSI_IOCTL_GET_IDLUN: + case SCSI_IOCTL_GET_BUS_NUMBER: + return scsi_ioctl(sdev, cmd, argp); } - return cdrom_ioctl(file, &cd->cdi, inode, cmd, arg); + + ret = cdrom_ioctl(file, &cd->cdi, inode, cmd, arg); + if (ret != ENOSYS) + return ret; + + /* + * ENODEV means that we didn't recognise the ioctl, or that we + * cannot execute it in the current device state. In either + * case fall through to scsi_ioctl, which will return ENDOEV again + * if it doesn't recognise the ioctl + */ + ret = scsi_nonblockable_ioctl(sdev, cmd, argp, NULL); + if (ret != -ENODEV) + return ret; + return scsi_ioctl(sdev, cmd, argp); } static int sr_block_media_changed(struct gendisk *disk) diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h index d2bcd99c272f..d65de9621b27 100644 --- a/drivers/scsi/sr.h +++ b/drivers/scsi/sr.h @@ -55,7 +55,6 @@ int sr_get_mcn(struct cdrom_device_info *, struct cdrom_mcn *); int sr_reset(struct cdrom_device_info *); int sr_select_speed(struct cdrom_device_info *cdi, int speed); int sr_audio_ioctl(struct cdrom_device_info *, unsigned int, void *); -int sr_dev_ioctl(struct cdrom_device_info *, unsigned int, unsigned long); int sr_is_xa(Scsi_CD *); diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c index b65462f76484..d1268cb46837 100644 --- a/drivers/scsi/sr_ioctl.c +++ b/drivers/scsi/sr_ioctl.c @@ -562,22 +562,3 @@ int sr_is_xa(Scsi_CD *cd) #endif return is_xa; } - -int sr_dev_ioctl(struct cdrom_device_info *cdi, - unsigned int cmd, unsigned long arg) -{ - Scsi_CD *cd = cdi->handle; - int ret; - - ret = scsi_nonblockable_ioctl(cd->device, cmd, - (void __user *)arg, NULL); - /* - * ENODEV means that we didn't recognise the ioctl, or that we - * cannot execute it in the current device state. In either - * case fall through to scsi_ioctl, which will return ENDOEV again - * if it doesn't recognise the ioctl - */ - if (ret != -ENODEV) - return ret; - return scsi_ioctl(cd->device, cmd, (void __user *)arg); -} diff --git a/drivers/serial/68328serial.c b/drivers/serial/68328serial.c index 7f0f35a05dca..b88a7c1158af 100644 --- a/drivers/serial/68328serial.c +++ b/drivers/serial/68328serial.c @@ -101,8 +101,6 @@ struct tty_driver *serial_driver; #define RS_ISR_PASS_LIMIT 256 -#define _INLINE_ inline - static void change_speed(struct m68k_serial *info); /* @@ -262,7 +260,7 @@ static void batten_down_hatches(void) /* Drop into the debugger */ } -static _INLINE_ void status_handle(struct m68k_serial *info, unsigned short status) +static void status_handle(struct m68k_serial *info, unsigned short status) { #if 0 if(status & DCD) { @@ -289,7 +287,8 @@ static _INLINE_ void status_handle(struct m68k_serial *info, unsigned short stat return; } -static _INLINE_ void receive_chars(struct m68k_serial *info, struct pt_regs *regs, unsigned short rx) +static void receive_chars(struct m68k_serial *info, struct pt_regs *regs, + unsigned short rx) { struct tty_struct *tty = info->tty; m68328_uart *uart = &uart_addr[info->line]; @@ -359,7 +358,7 @@ clear_and_exit: return; } -static _INLINE_ void transmit_chars(struct m68k_serial *info) +static void transmit_chars(struct m68k_serial *info) { m68328_uart *uart = &uart_addr[info->line]; diff --git a/drivers/serial/au1x00_uart.c b/drivers/serial/au1x00_uart.c index 29f94bbb79be..948880ac5878 100644 --- a/drivers/serial/au1x00_uart.c +++ b/drivers/serial/au1x00_uart.c @@ -133,13 +133,12 @@ static const struct serial_uart_config uart_config[PORT_MAX_8250+1] = { { "AU1X00_UART",16, UART_CLEAR_FIFO | UART_USE_FIFO }, }; -static _INLINE_ unsigned int serial_in(struct uart_8250_port *up, int offset) +static unsigned int serial_in(struct uart_8250_port *up, int offset) { return au_readl((unsigned long)up->port.membase + offset); } -static _INLINE_ void -serial_out(struct uart_8250_port *up, int offset, int value) +static void serial_out(struct uart_8250_port *up, int offset, int value) { au_writel(value, (unsigned long)up->port.membase + offset); } @@ -237,7 +236,7 @@ static void serial8250_enable_ms(struct uart_port *port) serial_out(up, UART_IER, up->ier); } -static _INLINE_ void +static void receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs) { struct tty_struct *tty = up->port.info->tty; @@ -312,7 +311,7 @@ receive_chars(struct uart_8250_port *up, int *status, struct pt_regs *regs) spin_lock(&up->port.lock); } -static _INLINE_ void transmit_chars(struct uart_8250_port *up) +static void transmit_chars(struct uart_8250_port *up) { struct circ_buf *xmit = &up->port.info->xmit; int count; @@ -346,7 +345,7 @@ static _INLINE_ void transmit_chars(struct uart_8250_port *up) serial8250_stop_tx(&up->port); } -static _INLINE_ void check_modem_status(struct uart_8250_port *up) +static void check_modem_status(struct uart_8250_port *up) { int status; diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c index be12623d8544..89700141f87e 100644 --- a/drivers/serial/crisv10.c +++ b/drivers/serial/crisv10.c @@ -481,8 +481,6 @@ static char *serial_version = "$Revision: 1.25 $"; #include "serial_compat.h" #endif -#define _INLINE_ inline - struct tty_driver *serial_driver; /* serial subtype definitions */ @@ -591,8 +589,6 @@ static void rs_throttle(struct tty_struct * tty); static void rs_wait_until_sent(struct tty_struct *tty, int timeout); static int rs_write(struct tty_struct * tty, int from_user, const unsigned char *buf, int count); -extern _INLINE_ int rs_raw_write(struct tty_struct * tty, int from_user, - const unsigned char *buf, int count); #ifdef CONFIG_ETRAX_RS485 static int e100_write_rs485(struct tty_struct * tty, int from_user, const unsigned char *buf, int count); @@ -1538,8 +1534,7 @@ e100_enable_rxdma_irq(struct e100_serial *info) /* the tx DMA uses only dma_descr interrupt */ -static _INLINE_ void -e100_disable_txdma_irq(struct e100_serial *info) +static void e100_disable_txdma_irq(struct e100_serial *info) { #ifdef SERIAL_DEBUG_INTR printk("txdma_irq(%d): 0\n",info->line); @@ -1548,8 +1543,7 @@ e100_disable_txdma_irq(struct e100_serial *info) *R_IRQ_MASK2_CLR = info->irq; } -static _INLINE_ void -e100_enable_txdma_irq(struct e100_serial *info) +static void e100_enable_txdma_irq(struct e100_serial *info) { #ifdef SERIAL_DEBUG_INTR printk("txdma_irq(%d): 1\n",info->line); @@ -1558,8 +1552,7 @@ e100_enable_txdma_irq(struct e100_serial *info) *R_IRQ_MASK2_SET = info->irq; } -static _INLINE_ void -e100_disable_txdma_channel(struct e100_serial *info) +static void e100_disable_txdma_channel(struct e100_serial *info) { unsigned long flags; @@ -1599,8 +1592,7 @@ e100_disable_txdma_channel(struct e100_serial *info) } -static _INLINE_ void -e100_enable_txdma_channel(struct e100_serial *info) +static void e100_enable_txdma_channel(struct e100_serial *info) { unsigned long flags; @@ -1625,8 +1617,7 @@ e100_enable_txdma_channel(struct e100_serial *info) restore_flags(flags); } -static _INLINE_ void -e100_disable_rxdma_channel(struct e100_serial *info) +static void e100_disable_rxdma_channel(struct e100_serial *info) { unsigned long flags; @@ -1665,8 +1656,7 @@ e100_disable_rxdma_channel(struct e100_serial *info) } -static _INLINE_ void -e100_enable_rxdma_channel(struct e100_serial *info) +static void e100_enable_rxdma_channel(struct e100_serial *info) { unsigned long flags; @@ -1913,9 +1903,7 @@ rs_start(struct tty_struct *tty) * This routine is used by the interrupt handler to schedule * processing in the software interrupt portion of the driver. */ -static _INLINE_ void -rs_sched_event(struct e100_serial *info, - int event) +static void rs_sched_event(struct e100_serial *info, int event) { if (info->event & (1 << event)) return; @@ -2155,8 +2143,9 @@ add_char_and_flag(struct e100_serial *info, unsigned char data, unsigned char fl return 1; } -extern _INLINE_ unsigned int -handle_descr_data(struct e100_serial *info, struct etrax_dma_descr *descr, unsigned int recvl) +static unsigned int handle_descr_data(struct e100_serial *info, + struct etrax_dma_descr *descr, + unsigned int recvl) { struct etrax_recv_buffer *buffer = phys_to_virt(descr->buf) - sizeof *buffer; @@ -2182,8 +2171,7 @@ handle_descr_data(struct e100_serial *info, struct etrax_dma_descr *descr, unsig return recvl; } -static _INLINE_ unsigned int -handle_all_descr_data(struct e100_serial *info) +static unsigned int handle_all_descr_data(struct e100_serial *info) { struct etrax_dma_descr *descr; unsigned int recvl; @@ -2230,8 +2218,7 @@ handle_all_descr_data(struct e100_serial *info) return ret; } -static _INLINE_ void -receive_chars_dma(struct e100_serial *info) +static void receive_chars_dma(struct e100_serial *info) { struct tty_struct *tty; unsigned char rstat; @@ -2292,8 +2279,7 @@ receive_chars_dma(struct e100_serial *info) *info->icmdadr = IO_STATE(R_DMA_CH6_CMD, cmd, restart); } -static _INLINE_ int -start_recv_dma(struct e100_serial *info) +static int start_recv_dma(struct e100_serial *info) { struct etrax_dma_descr *descr = info->rec_descr; struct etrax_recv_buffer *buffer; @@ -2348,11 +2334,6 @@ start_receive(struct e100_serial *info) } -static _INLINE_ void -status_handle(struct e100_serial *info, unsigned short status) -{ -} - /* the bits in the MASK2 register are laid out like this: DMAI_EOP DMAI_DESCR DMAO_EOP DMAO_DESCR where I is the input channel and O is the output channel for the port. @@ -2454,8 +2435,7 @@ rec_interrupt(int irq, void *dev_id, struct pt_regs * regs) return IRQ_RETVAL(handled); } /* rec_interrupt */ -static _INLINE_ int -force_eop_if_needed(struct e100_serial *info) +static int force_eop_if_needed(struct e100_serial *info) { /* We check data_avail bit to determine if data has * arrived since last time @@ -2499,8 +2479,7 @@ force_eop_if_needed(struct e100_serial *info) return 1; } -extern _INLINE_ void -flush_to_flip_buffer(struct e100_serial *info) +static void flush_to_flip_buffer(struct e100_serial *info) { struct tty_struct *tty; struct etrax_recv_buffer *buffer; @@ -2611,8 +2590,7 @@ flush_to_flip_buffer(struct e100_serial *info) tty_flip_buffer_push(tty); } -static _INLINE_ void -check_flush_timeout(struct e100_serial *info) +static void check_flush_timeout(struct e100_serial *info) { /* Flip what we've got (if we can) */ flush_to_flip_buffer(info); @@ -2741,7 +2719,7 @@ TODO: The break will be delayed until an F or V character is received. */ -extern _INLINE_ +static struct e100_serial * handle_ser_rx_interrupt_no_dma(struct e100_serial *info) { unsigned long data_read; @@ -2875,8 +2853,7 @@ more_data: return info; } -extern _INLINE_ -struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info) +static struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info) { unsigned char rstat; @@ -2995,7 +2972,7 @@ struct e100_serial* handle_ser_rx_interrupt(struct e100_serial *info) return info; } /* handle_ser_rx_interrupt */ -extern _INLINE_ void handle_ser_tx_interrupt(struct e100_serial *info) +static void handle_ser_tx_interrupt(struct e100_serial *info) { unsigned long flags; @@ -3621,9 +3598,8 @@ rs_flush_chars(struct tty_struct *tty) restore_flags(flags); } -extern _INLINE_ int -rs_raw_write(struct tty_struct * tty, int from_user, - const unsigned char *buf, int count) +static int rs_raw_write(struct tty_struct * tty, int from_user, + const unsigned char *buf, int count) { int c, ret = 0; struct e100_serial *info = (struct e100_serial *)tty->driver_data; @@ -4710,7 +4686,7 @@ rs_open(struct tty_struct *tty, struct file * filp) * /proc fs routines.... */ -extern _INLINE_ int line_info(char *buf, struct e100_serial *info) +static int line_info(char *buf, struct e100_serial *info) { char stat_buf[30]; int ret; diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c index 876bc5e027bb..e9c10c0a30fc 100644 --- a/drivers/serial/m32r_sio.c +++ b/drivers/serial/m32r_sio.c @@ -248,17 +248,17 @@ static void sio_error(int *status) #endif /* CONFIG_SERIAL_M32R_PLDSIO */ -static _INLINE_ unsigned int sio_in(struct uart_sio_port *up, int offset) +static unsigned int sio_in(struct uart_sio_port *up, int offset) { return __sio_in(up->port.iobase + offset); } -static _INLINE_ void sio_out(struct uart_sio_port *up, int offset, int value) +static void sio_out(struct uart_sio_port *up, int offset, int value) { __sio_out(value, up->port.iobase + offset); } -static _INLINE_ unsigned int serial_in(struct uart_sio_port *up, int offset) +static unsigned int serial_in(struct uart_sio_port *up, int offset) { if (!offset) return 0; @@ -266,8 +266,7 @@ static _INLINE_ unsigned int serial_in(struct uart_sio_port *up, int offset) return __sio_in(offset); } -static _INLINE_ void -serial_out(struct uart_sio_port *up, int offset, int value) +static void serial_out(struct uart_sio_port *up, int offset, int value) { if (!offset) return; @@ -326,8 +325,8 @@ static void m32r_sio_enable_ms(struct uart_port *port) serial_out(up, UART_IER, up->ier); } -static _INLINE_ void receive_chars(struct uart_sio_port *up, int *status, - struct pt_regs *regs) +static void receive_chars(struct uart_sio_port *up, int *status, + struct pt_regs *regs) { struct tty_struct *tty = up->port.info->tty; unsigned char ch; @@ -400,7 +399,7 @@ static _INLINE_ void receive_chars(struct uart_sio_port *up, int *status, tty_flip_buffer_push(tty); } -static _INLINE_ void transmit_chars(struct uart_sio_port *up) +static void transmit_chars(struct uart_sio_port *up) { struct circ_buf *xmit = &up->port.info->xmit; int count; diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c index 7fc3d3b41d18..9fe2283d91e5 100644 --- a/drivers/serial/sunsu.c +++ b/drivers/serial/sunsu.c @@ -102,9 +102,7 @@ struct uart_sunsu_port { #endif }; -#define _INLINE_ - -static _INLINE_ unsigned int serial_in(struct uart_sunsu_port *up, int offset) +static unsigned int serial_in(struct uart_sunsu_port *up, int offset) { offset <<= up->port.regshift; @@ -121,8 +119,7 @@ static _INLINE_ unsigned int serial_in(struct uart_sunsu_port *up, int offset) } } -static _INLINE_ void -serial_out(struct uart_sunsu_port *up, int offset, int value) +static void serial_out(struct uart_sunsu_port *up, int offset, int value) { #ifndef CONFIG_SPARC64 /* @@ -316,7 +313,7 @@ static void sunsu_enable_ms(struct uart_port *port) spin_unlock_irqrestore(&up->port.lock, flags); } -static _INLINE_ struct tty_struct * +static struct tty_struct * receive_chars(struct uart_sunsu_port *up, unsigned char *status, struct pt_regs *regs) { struct tty_struct *tty = up->port.info->tty; @@ -395,7 +392,7 @@ receive_chars(struct uart_sunsu_port *up, unsigned char *status, struct pt_regs return tty; } -static _INLINE_ void transmit_chars(struct uart_sunsu_port *up) +static void transmit_chars(struct uart_sunsu_port *up) { struct circ_buf *xmit = &up->port.info->xmit; int count; @@ -431,7 +428,7 @@ static _INLINE_ void transmit_chars(struct uart_sunsu_port *up) __stop_tx(up); } -static _INLINE_ void check_modem_status(struct uart_sunsu_port *up) +static void check_modem_status(struct uart_sunsu_port *up) { int status; diff --git a/drivers/tc/zs.c b/drivers/tc/zs.c index 6756d0fab6fe..2dffa8e303b2 100644 --- a/drivers/tc/zs.c +++ b/drivers/tc/zs.c @@ -186,8 +186,6 @@ static struct tty_driver *serial_driver; #define RS_STROBE_TIME 10 #define RS_ISR_PASS_LIMIT 256 -#define _INLINE_ inline - static void probe_sccs(void); static void change_speed(struct dec_serial *info); static void rs_wait_until_sent(struct tty_struct *tty, int timeout); @@ -344,14 +342,13 @@ static inline void rs_recv_clear(struct dec_zschannel *zsc) * This routine is used by the interrupt handler to schedule * processing in the software interrupt portion of the driver. */ -static _INLINE_ void rs_sched_event(struct dec_serial *info, int event) +static void rs_sched_event(struct dec_serial *info, int event) { info->event |= 1 << event; tasklet_schedule(&info->tlet); } -static _INLINE_ void receive_chars(struct dec_serial *info, - struct pt_regs *regs) +static void receive_chars(struct dec_serial *info, struct pt_regs *regs) { struct tty_struct *tty = info->tty; unsigned char ch, stat, flag; @@ -441,7 +438,7 @@ static void transmit_chars(struct dec_serial *info) rs_sched_event(info, RS_EVENT_WRITE_WAKEUP); } -static _INLINE_ void status_handle(struct dec_serial *info) +static void status_handle(struct dec_serial *info) { unsigned char stat; |