static int ds_ioctl(struct inode * inode, struct file * file, u_int cmd, u_long arg) { socket_t i = MINOR(inode->i_rdev); socket_info_t *s; u_int size; int ret, err; ds_ioctl_arg_t buf; DEBUG(2, "ds_ioctl(socket %d, %#x, %#lx)\n", i, cmd, arg); if ((i >= sockets) || (sockets == 0)) return -ENODEV; s = &socket_table[i]; size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT; if (size > sizeof(ds_ioctl_arg_t)) return -EINVAL; /* Permission check */ if (!(cmd & IOC_OUT) && !capable(CAP_SYS_ADMIN)) return -EPERM; if (cmd & IOC_IN) { err = verify_area(VERIFY_READ, (char *)arg, size); if (err) { DEBUG(3, "ds_ioctl(): verify_read = %d\n", err); return err; } } if (cmd & IOC_OUT) { err = verify_area(VERIFY_WRITE, (char *)arg, size); if (err) { DEBUG(3, "ds_ioctl(): verify_write = %d\n", err); return err; } } err = ret = 0; if (cmd & IOC_IN) copy_from_user((char *)&buf, (char *)arg, size); switch (cmd) { case DS_ADJUST_RESOURCE_INFO: ret = CardServices(AdjustResourceInfo, s->handle, &buf.adjust); break; case DS_GET_CARD_SERVICES_INFO: ret = CardServices(GetCardServicesInfo, &buf.servinfo); break; case DS_GET_CONFIGURATION_INFO: ret = CardServices(GetConfigurationInfo, s->handle, &buf.config); break; case DS_GET_FIRST_TUPLE: ret = CardServices(GetFirstTuple, s->handle, &buf.tuple); break; case DS_GET_NEXT_TUPLE: ret = CardServices(GetNextTuple, s->handle, &buf.tuple); break; case DS_GET_TUPLE_DATA: buf.tuple.TupleData = buf.tuple_parse.data; buf.tuple.TupleDataMax = sizeof(buf.tuple_parse.data); ret = CardServices(GetTupleData, s->handle, &buf.tuple); break; case DS_PARSE_TUPLE: buf.tuple.TupleData = buf.tuple_parse.data; ret = CardServices(ParseTuple, s->handle, &buf.tuple, &buf.tuple_parse.parse); break; case DS_RESET_CARD: ret = CardServices(ResetCard, s->handle, NULL); break; case DS_GET_STATUS: ret = CardServices(GetStatus, s->handle, &buf.status); break; case DS_VALIDATE_CIS: ret = CardServices(ValidateCIS, s->handle, &buf.cisinfo); break; case DS_SUSPEND_CARD: ret = CardServices(SuspendCard, s->handle, NULL); break; case DS_RESUME_CARD: ret = CardServices(ResumeCard, s->handle, NULL); break; case DS_EJECT_CARD: ret = CardServices(EjectCard, s->handle, NULL); break; case DS_INSERT_CARD: ret = CardServices(InsertCard, s->handle, NULL); break; case DS_ACCESS_CONFIGURATION_REGISTER: if ((buf.conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN)) return -EPERM; ret = CardServices(AccessConfigurationRegister, s->handle, &buf.conf_reg); break; case DS_GET_FIRST_REGION: ret = CardServices(GetFirstRegion, s->handle, &buf.region); break; case DS_GET_NEXT_REGION: ret = CardServices(GetNextRegion, s->handle, &buf.region); break; case DS_GET_FIRST_WINDOW: buf.win_info.handle = (window_handle_t)s->handle; ret = CardServices(GetFirstWindow, &buf.win_info.handle, &buf.win_info.window); break; case DS_GET_NEXT_WINDOW: ret = CardServices(GetNextWindow, &buf.win_info.handle, &buf.win_info.window); break; case DS_GET_MEM_PAGE: ret = CardServices(GetMemPage, buf.win_info.handle, &buf.win_info.map); break; case DS_REPLACE_CIS: ret = CardServices(ReplaceCIS, s->handle, &buf.cisdump); break; case DS_BIND_REQUEST: if (!capable(CAP_SYS_ADMIN)) return -EPERM; err = bind_request(i, &buf.bind_info); break; case DS_GET_DEVICE_INFO: err = get_device_info(i, &buf.bind_info, 1); break; case DS_GET_NEXT_DEVICE: err = get_device_info(i, &buf.bind_info, 0); break; case DS_UNBIND_REQUEST: err = unbind_request(i, &buf.bind_info); break; case DS_BIND_MTD: if (!capable(CAP_SYS_ADMIN)) return -EPERM; err = bind_mtd(i, &buf.mtd_info); break; default: err = -EINVAL; } if ((err == 0) && (ret != CS_SUCCESS)) { DEBUG(2, "ds_ioctl: ret = %d\n", ret); switch (ret) { case CS_BAD_SOCKET: case CS_NO_CARD: err = -ENODEV; break; case CS_BAD_ARGS: case CS_BAD_ATTRIBUTE: case CS_BAD_IRQ: case CS_BAD_TUPLE: err = -EINVAL; break; case CS_IN_USE: err = -EBUSY; break; case CS_OUT_OF_RESOURCE: err = -ENOSPC; break; case CS_NO_MORE_ITEMS: err = -ENODATA; break; case CS_UNSUPPORTED_FUNCTION: err = -ENOSYS; break; default: err = -EIO; break; } } if (cmd & IOC_OUT) copy_to_user((char *)arg, (char *)&buf, size); return err; } /* ds_ioctl */
static int ds_ioctl(struct inode * inode, struct file * file, u_int cmd, u_long arg) { struct pcmcia_bus_socket *s; void __user *uarg = (char __user *)arg; u_int size; int ret, err; ds_ioctl_arg_t buf; user_info_t *user; ds_dbg(2, "ds_ioctl(socket %d, %#x, %#lx)\n", iminor(inode), cmd, arg); user = file->private_data; if (CHECK_USER(user)) return -EIO; s = user->socket; if (s->state & DS_SOCKET_DEAD) return -EIO; size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT; if (size > sizeof(ds_ioctl_arg_t)) return -EINVAL; /* Permission check */ if (!(cmd & IOC_OUT) && !capable(CAP_SYS_ADMIN)) return -EPERM; if (cmd & IOC_IN) { err = verify_area(VERIFY_READ, uarg, size); if (err) { ds_dbg(3, "ds_ioctl(): verify_read = %d\n", err); return err; } } if (cmd & IOC_OUT) { err = verify_area(VERIFY_WRITE, uarg, size); if (err) { ds_dbg(3, "ds_ioctl(): verify_write = %d\n", err); return err; } } err = ret = 0; if (cmd & IOC_IN) __copy_from_user((char *)&buf, uarg, size); switch (cmd) { case DS_ADJUST_RESOURCE_INFO: ret = pcmcia_adjust_resource_info(s->handle, &buf.adjust); break; case DS_GET_CARD_SERVICES_INFO: ret = pcmcia_get_card_services_info(&buf.servinfo); break; case DS_GET_CONFIGURATION_INFO: ret = pcmcia_get_configuration_info(s->handle, &buf.config); break; case DS_GET_FIRST_TUPLE: ret = pcmcia_get_first_tuple(s->handle, &buf.tuple); break; case DS_GET_NEXT_TUPLE: ret = pcmcia_get_next_tuple(s->handle, &buf.tuple); break; case DS_GET_TUPLE_DATA: buf.tuple.TupleData = buf.tuple_parse.data; buf.tuple.TupleDataMax = sizeof(buf.tuple_parse.data); ret = pcmcia_get_tuple_data(s->handle, &buf.tuple); break; case DS_PARSE_TUPLE: buf.tuple.TupleData = buf.tuple_parse.data; ret = pcmcia_parse_tuple(s->handle, &buf.tuple, &buf.tuple_parse.parse); break; case DS_RESET_CARD: ret = pcmcia_reset_card(s->handle, NULL); break; case DS_GET_STATUS: ret = pcmcia_get_status(s->handle, &buf.status); break; case DS_VALIDATE_CIS: ret = pcmcia_validate_cis(s->handle, &buf.cisinfo); break; case DS_SUSPEND_CARD: ret = pcmcia_suspend_card(s->parent); break; case DS_RESUME_CARD: ret = pcmcia_resume_card(s->parent); break; case DS_EJECT_CARD: ret = pcmcia_eject_card(s->parent); break; case DS_INSERT_CARD: ret = pcmcia_insert_card(s->parent); break; case DS_ACCESS_CONFIGURATION_REGISTER: if ((buf.conf_reg.Action == CS_WRITE) && !capable(CAP_SYS_ADMIN)) return -EPERM; ret = pcmcia_access_configuration_register(s->handle, &buf.conf_reg); break; case DS_GET_FIRST_REGION: ret = pcmcia_get_first_region(s->handle, &buf.region); break; case DS_GET_NEXT_REGION: ret = pcmcia_get_next_region(s->handle, &buf.region); break; case DS_GET_FIRST_WINDOW: buf.win_info.handle = (window_handle_t)s->handle; ret = pcmcia_get_first_window(&buf.win_info.handle, &buf.win_info.window); break; case DS_GET_NEXT_WINDOW: ret = pcmcia_get_next_window(&buf.win_info.handle, &buf.win_info.window); break; case DS_GET_MEM_PAGE: ret = pcmcia_get_mem_page(buf.win_info.handle, &buf.win_info.map); break; case DS_REPLACE_CIS: ret = pcmcia_replace_cis(s->handle, &buf.cisdump); break; case DS_BIND_REQUEST: if (!capable(CAP_SYS_ADMIN)) return -EPERM; err = bind_request(s, &buf.bind_info); break; case DS_GET_DEVICE_INFO: err = get_device_info(s, &buf.bind_info, 1); break; case DS_GET_NEXT_DEVICE: err = get_device_info(s, &buf.bind_info, 0); break; case DS_UNBIND_REQUEST: err = unbind_request(s, &buf.bind_info); break; case DS_BIND_MTD: if (!capable(CAP_SYS_ADMIN)) return -EPERM; err = bind_mtd(s, &buf.mtd_info); break; default: err = -EINVAL; } if ((err == 0) && (ret != CS_SUCCESS)) { ds_dbg(2, "ds_ioctl: ret = %d\n", ret); switch (ret) { case CS_BAD_SOCKET: case CS_NO_CARD: err = -ENODEV; break; case CS_BAD_ARGS: case CS_BAD_ATTRIBUTE: case CS_BAD_IRQ: case CS_BAD_TUPLE: err = -EINVAL; break; case CS_IN_USE: err = -EBUSY; break; case CS_OUT_OF_RESOURCE: err = -ENOSPC; break; case CS_NO_MORE_ITEMS: err = -ENODATA; break; case CS_UNSUPPORTED_FUNCTION: err = -ENOSYS; break; default: err = -EIO; break; } } if (cmd & IOC_OUT) __copy_to_user(uarg, (char *)&buf, size); return err; } /* ds_ioctl */