static int usblp_check_status(struct usblp *usblp, int err) { unsigned char status, newerr = 0; int error; mutex_lock(&usblp->mut); if ((error = usblp_read_status(usblp, usblp->statusbuf)) < 0) { mutex_unlock(&usblp->mut); if (printk_ratelimit()) printk(KERN_ERR "usblp%d: error %d reading printer status\n", usblp->minor, error); return 0; } status = *usblp->statusbuf; mutex_unlock(&usblp->mut); if (~status & LP_PERRORP) newerr = 3; if (status & LP_POUTPA) newerr = 1; if (~status & LP_PSELECD) newerr = 2; if (newerr != err) { printk(KERN_INFO "usblp%d: %s\n", usblp->minor, usblp_messages[newerr]); } return newerr; }
static int usblp_check_status(struct usblp *usblp, int errno ) { unsigned char status, newerr = 0; int error; error = usblp_read_status (usblp, &status); if (error < 0) { //{{MARK_DEBUG // err("usblp%d: error %d reading printer status", // usblp->minor, error); //}}MARK_DEBUG return 0; } if (~status & LP_PERRORP) { newerr = 3; if (status & LP_POUTPA) newerr = 1; if (~status & LP_PSELECD) newerr = 2; } //{{MARK_DEBUG // if (newerr != errno) // dbg("usblp%d: %s", usblp->minor, usblp_messages[newerr]); //}}MARK_DEBUG return newerr; }
static int usblp_check_status(struct usblp *usblp, int err) { unsigned char status, newerr = 0; int error; error = usblp_read_status (usblp, usblp->statusbuf); if (error < 0) { err("usblp%d: error %d reading printer status", usblp->minor, error); return 0; } status = *usblp->statusbuf; if (~status & LP_PERRORP) newerr = 3; if (status & LP_POUTPA) newerr = 1; if (~status & LP_PSELECD) newerr = 2; if (newerr != err) info("usblp%d: %s", usblp->minor, usblp_messages[newerr]); return newerr; }
static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct usblp *usblp = file->private_data; int length, err; unsigned char status; if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */ switch (_IOC_NR(cmd)) { case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */ if (_IOC_DIR(cmd) != _IOC_READ) return -EINVAL; err = usblp_get_id(usblp, 0, usblp->device_id_string, DEVICE_ID_SIZE - 1); if (err < 0) { dbg ("usblp%d: error = %d reading IEEE-1284 Device ID string", usblp->minor, err); usblp->device_id_string[0] = usblp->device_id_string[1] = '\0'; return -EIO; } length = (usblp->device_id_string[0] << 8) + usblp->device_id_string[1]; /* big-endian */ if (length < DEVICE_ID_SIZE) usblp->device_id_string[length] = '\0'; else usblp->device_id_string[DEVICE_ID_SIZE - 1] = '\0'; dbg ("usblp%d Device ID string [%d/max %d]='%s'", usblp->minor, length, _IOC_SIZE(cmd), &usblp->device_id_string[2]); if (length > _IOC_SIZE(cmd)) length = _IOC_SIZE(cmd); /* truncate */ if (copy_to_user((unsigned char *) arg, usblp->device_id_string, (unsigned long) length)) return -EFAULT; break; default: return -EINVAL; } else /* old-style ioctl value */ switch (cmd) { case LPGETSTATUS: if (usblp_read_status(usblp, &status)) { err("usblp%d: failed reading printer status", usblp->minor); return -EIO; } if (copy_to_user ((unsigned char *)arg, &status, 1)) return -EFAULT; break; default: return -EINVAL; } return 0; }
static int usblp_check_status(struct usblp *usblp, int err) { unsigned char status, newerr = 0; if (usblp_read_status(usblp, &status)) { err("usblp%d: failed reading printer status", usblp->minor); return 0; } if (~status & LP_PERRORP) { newerr = 3; if (status & LP_POUTPA) newerr = 1; if (~status & LP_PSELECD) newerr = 2; } if (newerr != err) info("usblp%d: %s", usblp->minor, usblp_messages[newerr]); return newerr; }
/* * Wait for the write path to come idle. * This is called under the ->wmut, so the idle path stays idle. * * Our write path has a peculiar property: it does not buffer like a tty, * but waits for the write to succeed. This allows our ->release to bug out * without waiting for writes to drain. But it obviously does not work * when O_NONBLOCK is set. So, applications setting O_NONBLOCK must use * select(2) or poll(2) to wait for the buffer to drain before closing. * Alternatively, set blocking mode with fcntl and issue a zero-size write. */ static int usblp_wwait(struct usblp *usblp, int nonblock) { DECLARE_WAITQUEUE(waita, current); int rc; int err = 0; add_wait_queue(&usblp->wwait, &waita); for (;;) { if (mutex_lock_interruptible(&usblp->mut)) { rc = -EINTR; break; } set_current_state(TASK_INTERRUPTIBLE); rc = usblp_wtest(usblp, nonblock); mutex_unlock(&usblp->mut); if (rc <= 0) break; if (schedule_timeout(msecs_to_jiffies(1500)) == 0) { mutex_lock(&usblp->mut); if (usblp->flags & LP_ABORT) { err = usblp_check_status(usblp, err); mutex_unlock(&usblp->mut); if (err == 1) { /* Paper out */ rc = -ENOSPC; break; } } else { /* Prod the printer, Gentoo#251237. */ usblp_read_status(usblp, usblp->statusbuf); mutex_unlock(&usblp->mut); } } } set_current_state(TASK_RUNNING); remove_wait_queue(&usblp->wwait, &waita); return rc; }
static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct usblp *usblp = file->private_data; int length, err, i; unsigned char newChannel; int status; int twoints[2]; int retval = 0; mutex_lock (&usblp->mut); if (!usblp->present) { retval = -ENODEV; goto done; } if (usblp->sleeping) { retval = -ENODEV; goto done; } dbg("usblp_ioctl: cmd=0x%x (%c nr=%d len=%d dir=%d)", cmd, _IOC_TYPE(cmd), _IOC_NR(cmd), _IOC_SIZE(cmd), _IOC_DIR(cmd) ); if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */ switch (_IOC_NR(cmd)) { case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */ if (_IOC_DIR(cmd) != _IOC_READ) { retval = -EINVAL; goto done; } length = usblp_cache_device_id_string(usblp); if (length < 0) { retval = length; goto done; } if (length > _IOC_SIZE(cmd)) length = _IOC_SIZE(cmd); /* truncate */ if (copy_to_user((void __user *) arg, usblp->device_id_string, (unsigned long) length)) { retval = -EFAULT; goto done; } break; case IOCNR_GET_PROTOCOLS: if (_IOC_DIR(cmd) != _IOC_READ || _IOC_SIZE(cmd) < sizeof(twoints)) { retval = -EINVAL; goto done; } twoints[0] = usblp->current_protocol; twoints[1] = 0; for (i = USBLP_FIRST_PROTOCOL; i <= USBLP_LAST_PROTOCOL; i++) { if (usblp->protocol[i].alt_setting >= 0) twoints[1] |= (1<<i); } if (copy_to_user((void __user *)arg, (unsigned char *)twoints, sizeof(twoints))) { retval = -EFAULT; goto done; } break; case IOCNR_SET_PROTOCOL: if (_IOC_DIR(cmd) != _IOC_WRITE) { retval = -EINVAL; goto done; } #ifdef DEBUG if (arg == -10) { usblp_dump(usblp); break; } #endif usblp_unlink_urbs(usblp); retval = usblp_set_protocol(usblp, arg); if (retval < 0) { usblp_set_protocol(usblp, usblp->current_protocol); } break; case IOCNR_HP_SET_CHANNEL: if (_IOC_DIR(cmd) != _IOC_WRITE || le16_to_cpu(usblp->dev->descriptor.idVendor) != 0x03F0 || usblp->quirks & USBLP_QUIRK_BIDIR) { retval = -EINVAL; goto done; } err = usblp_hp_channel_change_request(usblp, arg, &newChannel); if (err < 0) { dev_err(&usblp->dev->dev, "usblp%d: error = %d setting " "HP channel\n", usblp->minor, err); retval = -EIO; goto done; } dbg("usblp%d requested/got HP channel %ld/%d", usblp->minor, arg, newChannel); break; case IOCNR_GET_BUS_ADDRESS: if (_IOC_DIR(cmd) != _IOC_READ || _IOC_SIZE(cmd) < sizeof(twoints)) { retval = -EINVAL; goto done; } twoints[0] = usblp->dev->bus->busnum; twoints[1] = usblp->dev->devnum; if (copy_to_user((void __user *)arg, (unsigned char *)twoints, sizeof(twoints))) { retval = -EFAULT; goto done; } dbg("usblp%d is bus=%d, device=%d", usblp->minor, twoints[0], twoints[1]); break; case IOCNR_GET_VID_PID: if (_IOC_DIR(cmd) != _IOC_READ || _IOC_SIZE(cmd) < sizeof(twoints)) { retval = -EINVAL; goto done; } twoints[0] = le16_to_cpu(usblp->dev->descriptor.idVendor); twoints[1] = le16_to_cpu(usblp->dev->descriptor.idProduct); if (copy_to_user((void __user *)arg, (unsigned char *)twoints, sizeof(twoints))) { retval = -EFAULT; goto done; } dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X", usblp->minor, twoints[0], twoints[1]); break; case IOCNR_SOFT_RESET: if (_IOC_DIR(cmd) != _IOC_NONE) { retval = -EINVAL; goto done; } retval = usblp_reset(usblp); break; default: retval = -ENOTTY; } else /* old-style ioctl value */ switch (cmd) { case LPGETSTATUS: if ((retval = usblp_read_status(usblp, usblp->statusbuf))) { if (printk_ratelimit()) printk(KERN_ERR "usblp%d:" "failed reading printer status (%d)\n", usblp->minor, retval); retval = -EIO; goto done; } status = *usblp->statusbuf; if (copy_to_user ((void __user *)arg, &status, sizeof(int))) retval = -EFAULT; break; case LPABORT: if (arg) usblp->flags |= LP_ABORT; else usblp->flags &= ~LP_ABORT; break; default: retval = -ENOTTY; } done: mutex_unlock (&usblp->mut); return retval; }
static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct usblp *usblp = file->private_data; struct parport_splink_device_info prn_info_tmp, *prn_info; // Added by PaN struct print_buffer user_buf_tmp, *user_buf; // Added by PaN char *strtmp, *str_dev_id, *strunknown="unknown"; // Added by PaN //int i, unk=0; // Added by PaN int unk=0; // Added by PaN ---remove declaration of i for i is declared below: JY int length, err, i; unsigned char lpstatus, newChannel; int status; int twoints[2]; int retval = 0; prn_info= &prn_info_tmp; // Added by PaN down (&usblp->sem); if (!usblp->dev) { retval = -ENODEV; goto done; } if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */ switch (_IOC_NR(cmd)) { case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */ if (_IOC_DIR(cmd) != _IOC_READ) { retval = -EINVAL; goto done; } length = usblp_cache_device_id_string(usblp); if (length < 0) { retval = length; goto done; } if (length > _IOC_SIZE(cmd)) length = _IOC_SIZE(cmd); /* truncate */ if (copy_to_user((unsigned char *) arg, usblp->device_id_string, (unsigned long) length)) { retval = -EFAULT; goto done; } break; case IOCNR_GET_PROTOCOLS: if (_IOC_DIR(cmd) != _IOC_READ || _IOC_SIZE(cmd) < sizeof(twoints)) { retval = -EINVAL; goto done; } twoints[0] = usblp->current_protocol; twoints[1] = 0; for (i = USBLP_FIRST_PROTOCOL; i <= USBLP_LAST_PROTOCOL; i++) { if (usblp->protocol[i].alt_setting >= 0) twoints[1] |= (1<<i); } if (copy_to_user((unsigned char *)arg, (unsigned char *)twoints, sizeof(twoints))) { retval = -EFAULT; goto done; } break; case IOCNR_SET_PROTOCOL: if (_IOC_DIR(cmd) != _IOC_WRITE) { retval = -EINVAL; goto done; } #ifdef DEBUG if (arg == -10) { usblp_dump(usblp); break; } #endif usblp_unlink_urbs(usblp); retval = usblp_set_protocol(usblp, arg); if (retval < 0) { usblp_set_protocol(usblp, usblp->current_protocol); } break; case IOCNR_HP_SET_CHANNEL: if (_IOC_DIR(cmd) != _IOC_WRITE || usblp->dev->descriptor.idVendor != 0x03F0 || usblp->quirks & USBLP_QUIRK_BIDIR) { retval = -EINVAL; goto done; } err = usblp_hp_channel_change_request(usblp, arg, &newChannel); if (err < 0) { err("usblp%d: error = %d setting " "HP channel", usblp->minor, err); retval = -EIO; goto done; } dbg("usblp%d requested/got HP channel %ld/%d", usblp->minor, arg, newChannel); break; case IOCNR_GET_BUS_ADDRESS: if (_IOC_DIR(cmd) != _IOC_READ || _IOC_SIZE(cmd) < sizeof(twoints)) { retval = -EINVAL; goto done; } twoints[0] = usblp->dev->bus->busnum; twoints[1] = usblp->dev->devnum; if (copy_to_user((unsigned char *)arg, (unsigned char *)twoints, sizeof(twoints))) { retval = -EFAULT; goto done; } dbg("usblp%d is bus=%d, device=%d", usblp->minor, twoints[0], twoints[1]); break; case IOCNR_GET_VID_PID: if (_IOC_DIR(cmd) != _IOC_READ || _IOC_SIZE(cmd) < sizeof(twoints)) { retval = -EINVAL; goto done; } twoints[0] = usblp->dev->descriptor.idVendor; twoints[1] = usblp->dev->descriptor.idProduct; if (copy_to_user((unsigned char *)arg, (unsigned char *)twoints, sizeof(twoints))) { retval = -EFAULT; goto done; } dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X", usblp->minor, twoints[0], twoints[1]); break; default: retval = -EINVAL; } else /* old-style ioctl value */ switch (cmd) { /*=================================================================================== PaN */ case LPGETID: /* get the DEVICE_ID string */ err = usblp_get_id(usblp, 0, usblp->device_id_string, DEVICE_ID_SIZE - 1); if (err < 0) { dbg ("usblp%d: error = %d reading IEEE-1284 Device ID string", usblp->minor, err); usblp->device_id_string[0] = usblp->device_id_string[1] = '\0'; retval = -EIO; goto done; } length = (usblp->device_id_string[0] << 8) + usblp->device_id_string[1]; /* big-endian */ if (length < DEVICE_ID_SIZE) usblp->device_id_string[length] = '\0'; else usblp->device_id_string[DEVICE_ID_SIZE - 1] = '\0'; dbg ("usblp%d Device ID string [%d/max %d]='%s'", usblp->minor, length, cmd, &usblp->device_id_string[2]); info ("usblp%d Device ID string [%d/max %d]='%s'", usblp->minor, length, cmd, &usblp->device_id_string[2]); str_dev_id = &usblp->device_id_string[2]; if ( (strtmp = strstr(str_dev_id, "MFG:")) == NULL) { if ( (strtmp = strstr(str_dev_id, "MANUFACTURE:")) == NULL) { for (i=0; i<7; i++) { prn_info->mfr[i]= strunknown[i]; usblpid_info.mfr[i] = strunknown[i]; } prn_info->mfr[i]= '\0'; usblpid_info.mfr[i]='\0'; unk=1; } else strtmp+=12; } else strtmp+=4; i=0; while (strtmp[i] != ';' && unk==0) { prn_info->mfr[i]= strtmp[i]; usblpid_info.mfr[i] = strtmp[i]; i++; } prn_info->mfr[i]= '\0'; usblpid_info.mfr[i]='\0'; unk=0; if ( (strtmp = strstr(str_dev_id, "MDL:")) == NULL) { if ( (strtmp = strstr(str_dev_id, "MODEL:")) == NULL) { for (i=0; i<7; i++) { prn_info->model[i]= strunknown[i]; usblpid_info.model[i] = strunknown[i]; } prn_info->model[i]= '\0'; usblpid_info.model[i]='\0'; unk=1; } else strtmp+=6; } else strtmp+=4; i=0; while (strtmp[i] != ';' && unk==0) { prn_info->model[i]= strtmp[i]; usblpid_info.model[i] = strtmp[i]; i++; } prn_info->model[i]= '\0'; usblpid_info.model[i]='\0'; unk=0; if ( (strtmp = strstr(str_dev_id, "CLS:")) == NULL) { if ( (strtmp = strstr(str_dev_id, "CLASS:")) == NULL) { for (i=0; i<7; i++) { prn_info->class_name[i]= strunknown[i]; usblpid_info.class_name[i] = strunknown[i]; } prn_info->class_name[i]= '\0'; usblpid_info.class_name[i]='\0'; unk=1; } else strtmp+=6; } else strtmp+=4; i=0; while (strtmp[i] != ';' && unk==0) { prn_info->class_name[i]= strtmp[i]; usblpid_info.class_name[i]= strtmp[i]; i++; } prn_info->class_name[i]= '\0'; usblpid_info.class_name[i]='\0'; unk=0; if ( (strtmp = strstr(str_dev_id, "DES:")) == NULL) { if ( (strtmp = strstr(str_dev_id, "DESCRIPTION:")) == NULL) { for (i=0; i<7; i++) { prn_info->description[i]= strunknown[i]; usblpid_info.description[i] = strunknown[i]; } prn_info->description[i]= '\0'; usblpid_info.description[i]='\0'; unk=1; } else strtmp+=12; } else strtmp+=4; i=0; while (strtmp[i] != ';' && unk==0) { prn_info->description[i]= strtmp[i]; usblpid_info.description[i]= strtmp[i]; i++; } prn_info->description[i]= '\0'; usblpid_info.description[i]='\0'; info("Parsing USBLPID..."); if (copy_to_user((unsigned char *) arg, prn_info, (unsigned long) length)) { retval = -EFAULT; goto done; } break; case LPREADDATA: up (&usblp->sem); user_buf = (struct print_buffer *)arg; retval = usblp_read(file, user_buf->buf, user_buf->len, NULL); down (&usblp->sem); break; case LPWRITEDATA: up (&usblp->sem); user_buf = (struct print_buffer *)arg; retval = usblp_write(file, user_buf->buf, user_buf->len, NULL); down (&usblp->sem); break; case LPRESET: usblp_reset(usblp); break; case LPGETSTATUS: /* OLD USB Code Removed by PaN for Printer Server if (usblp_read_status(usblp, &status)) { err("usblp%d: failed reading printer status", usblp->minor); retval = -EIO; goto done; } if (copy_to_user ((int *)arg, &status, 2)) retval = -EFAULT; */ status = usblp_check_status(usblp, 0); #if 0 info("start=%s", usblpid_info.mfr); for (i=0; i< MAX_STATUS_TYPE; i++) { info("compare=%s", usblp_status_type[i]); if ( !( strcmp(usblpid_info.mfr, usblp_status_type[i]) ) ) break; } info("%d=%s", i, usblp_status_type[i]); status=usblp_status_maping[i][status]; info("STATUS=%x", status); #endif status=0; if (copy_to_user ((int *)arg, &status, 2)) retval = -EFAULT; break; /*=================================================================== PaN for Printer Server */ /* Marked by JY 20031118*/ #if 0 case LPGETSTATUS: if (usblp_read_status(usblp, &lpstatus)) { err("usblp%d: failed reading printer status", usblp->minor); retval = -EIO; goto done; } status = lpstatus; if (copy_to_user ((int *)arg, &status, sizeof(int))) retval = -EFAULT; break; #endif /* Marked by JY 20031118*/ default: retval = -EINVAL; } done: up (&usblp->sem); return retval; }
static int usblp_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { struct usblp *usblp = file->private_data; int length, err, i; unsigned char lpstatus, newChannel; int status; int twoints[2]; int retval = 0; down (&usblp->sem); if (!usblp->dev) { retval = -ENODEV; goto done; } if (_IOC_TYPE(cmd) == 'P') /* new-style ioctl number */ switch (_IOC_NR(cmd)) { case IOCNR_GET_DEVICE_ID: /* get the DEVICE_ID string */ if (_IOC_DIR(cmd) != _IOC_READ) { retval = -EINVAL; goto done; } length = usblp_cache_device_id_string(usblp); if (length < 0) { retval = length; goto done; } if (length > _IOC_SIZE(cmd)) length = _IOC_SIZE(cmd); /* truncate */ if (copy_to_user((unsigned char *) arg, usblp->device_id_string, (unsigned long) length)) { retval = -EFAULT; goto done; } break; case IOCNR_GET_PROTOCOLS: if (_IOC_DIR(cmd) != _IOC_READ || _IOC_SIZE(cmd) < sizeof(twoints)) { retval = -EINVAL; goto done; } twoints[0] = usblp->current_protocol; twoints[1] = 0; for (i = USBLP_FIRST_PROTOCOL; i <= USBLP_LAST_PROTOCOL; i++) { if (usblp->protocol[i].alt_setting >= 0) twoints[1] |= (1<<i); } if (copy_to_user((unsigned char *)arg, (unsigned char *)twoints, sizeof(twoints))) { retval = -EFAULT; goto done; } break; case IOCNR_SET_PROTOCOL: if (_IOC_DIR(cmd) != _IOC_WRITE) { retval = -EINVAL; goto done; } #ifdef DEBUG if (arg == -10) { usblp_dump(usblp); break; } #endif usblp_unlink_urbs(usblp); retval = usblp_set_protocol(usblp, arg); if (retval < 0) { usblp_set_protocol(usblp, usblp->current_protocol); } break; case IOCNR_HP_SET_CHANNEL: if (_IOC_DIR(cmd) != _IOC_WRITE || usblp->dev->descriptor.idVendor != 0x03F0 || usblp->quirks & USBLP_QUIRK_BIDIR) { retval = -EINVAL; goto done; } err = usblp_hp_channel_change_request(usblp, arg, &newChannel); if (err < 0) { err("usblp%d: error = %d setting " "HP channel", usblp->minor, err); retval = -EIO; goto done; } dbg("usblp%d requested/got HP channel %ld/%d", usblp->minor, arg, newChannel); break; case IOCNR_GET_BUS_ADDRESS: if (_IOC_DIR(cmd) != _IOC_READ || _IOC_SIZE(cmd) < sizeof(twoints)) { retval = -EINVAL; goto done; } twoints[0] = usblp->dev->bus->busnum; twoints[1] = usblp->dev->devnum; if (copy_to_user((unsigned char *)arg, (unsigned char *)twoints, sizeof(twoints))) { retval = -EFAULT; goto done; } dbg("usblp%d is bus=%d, device=%d", usblp->minor, twoints[0], twoints[1]); break; case IOCNR_GET_VID_PID: if (_IOC_DIR(cmd) != _IOC_READ || _IOC_SIZE(cmd) < sizeof(twoints)) { retval = -EINVAL; goto done; } twoints[0] = usblp->dev->descriptor.idVendor; twoints[1] = usblp->dev->descriptor.idProduct; if (copy_to_user((unsigned char *)arg, (unsigned char *)twoints, sizeof(twoints))) { retval = -EFAULT; goto done; } dbg("usblp%d is VID=0x%4.4X, PID=0x%4.4X", usblp->minor, twoints[0], twoints[1]); break; default: retval = -EINVAL; } else /* old-style ioctl value */ switch (cmd) { case LPGETSTATUS: if (usblp_read_status(usblp, &lpstatus)) { err("usblp%d: failed reading printer status", usblp->minor); retval = -EIO; goto done; } status = lpstatus; if (copy_to_user ((int *)arg, &status, sizeof(int))) retval = -EFAULT; break; default: retval = -EINVAL; } done: up (&usblp->sem); return retval; }