static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { struct usblp *usblp = file->private_data; struct print_buffer user_buf_tmp, *user_buf; // Added by PaN char *strtmp, *str_dev_id; // Added by PaN: JYWeng 20031212: modified from the above int unk=0; // Added by PaN ---remove declaration of i for i is declared below: JY 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; } 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) { /*=================================================================================== PaN */ case LPGETID: /* get the DEVICE_ID string */ err = usblp_get_id(usblp, 0, usblp->device_id_string, USBLP_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 < USBLP_DEVICE_ID_SIZE) usblp->device_id_string[length] = '\0'; else usblp->device_id_string[USBLP_DEVICE_ID_SIZE - 1] = '\0'; dbg ("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 1//JYWeng 20031212: modified from below parseKeywords(str_dev_id, "MFG:", "MANUFACTURE:", prn_info->mfr, usblpid_info.mfr); parseKeywords(str_dev_id, "MDL:", "MODEL:", prn_info->model, usblpid_info.model); parseKeywords(str_dev_id, "CLS:", "CLASS:", prn_info->class_name, usblpid_info.class_name); parseKeywords(str_dev_id, "DES:", "DESCRIPTION:", prn_info->description, usblpid_info.description); #endif//JYWeng 20031212: end dbg ("Parsing USBLPID..."); if (copy_to_user((unsigned char *) arg, prn_info, (unsigned long) length)) { retval = -EFAULT; goto done; } break; case LPREADDATA: mutex_unlock (&usblp_mutex); user_buf = (struct print_buffer *)arg; retval = usblp_read(file, user_buf->buf, user_buf->len, NULL); mutex_lock (&usblp_mutex); break; case LPWRITEDATA: mutex_unlock (&usblp_mutex); user_buf = (struct print_buffer *)arg; retval = usblp_write(file, user_buf->buf, user_buf->len, NULL); mutex_lock (&usblp_mutex); break; case LPRESET: usblp_reset(usblp); break; case LPGETSTATUS: /* OLD USB Code Removed by PaN for Printer Server 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; */ status = 0; if (copy_to_user((void __user *)arg, &status, sizeof(int))) retval = -EFAULT; break; /*=================================================================== PaN for Printer Server */ case LPABORT: if (arg) usblp->flags |= LP_ABORT; else usblp->flags &= ~LP_ABORT; break; default: retval = -ENOTTY; } done: mutex_unlock(&usblp->mut); return retval; }
int usbprn_read(int nPort, uint8 *pBuf, int nLength) { if( PortIO[nPort].base && usblp_table[PortIO[nPort].base-1] ) usblp_read( usblp_table[PortIO[nPort].base-1], pBuf, nLength, NULL ); return nLength; }
static long usblp_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { #ifdef U2EC struct print_buffer *user_buf; // Added by PaN #endif // U2EC 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) { 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((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) { #ifdef U2EC /*=================================================================================== PaN */ case LPGETID: /* get the DEVICE_ID string */ if (usblp->usblpid_info == NULL || copy_to_user((unsigned char *) arg, usblp->usblpid_info, (unsigned long) USBLP_SPLINK_ID_SIZE)) { retval = -EFAULT; goto done; } break; case LPREADDATA: // up (&usblp->sem); mutex_unlock (&usblp->mut); user_buf = (struct print_buffer *)arg; retval = usblp_read(file, user_buf->buf, user_buf->len, NULL); //down (&usblp->sem); mutex_lock (&usblp->mut); break; case LPWRITEDATA: // up (&usblp->sem); mutex_unlock (&usblp->mut); user_buf = (struct print_buffer *)arg; retval = usblp_write(file, user_buf->buf, user_buf->len, NULL); //down (&usblp->sem); mutex_lock (&usblp->mut); break; case LPRESET: usblp_reset(usblp); break; /*=================================================================== PaN for Printer Server */ #endif //U2EC /* Marked by JY 20031118*/ 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; }