freebsd-nq/sys/dev/usb/template/usb_template_msc.c
Edward Tomasz Napierala 8e06491a4e Add sysctls to control device side USB identifiers. This makes it
possible to change string and numeric vendor and product identifiers,
as well as anything else there might be to change for a particular
device side template, eg the MAC address.

Reviewed by:	hselasky@
MFC after:	2 weeks
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D13920
2018-01-20 13:58:34 +00:00

261 lines
8.2 KiB
C

/* $FreeBSD$ */
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2008 Hans Petter Selasky <hselasky@FreeBSD.org>
* Copyright (c) 2018 The FreeBSD Foundation
* All rights reserved.
*
* Portions of this software were developed by Edward Tomasz Napierala
* under sponsorship from the FreeBSD Foundation.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* This file contains the USB templates for an USB Mass Storage Device.
*/
#ifdef USB_GLOBAL_INCLUDE_FILE
#include USB_GLOBAL_INCLUDE_FILE
#else
#include <sys/stdint.h>
#include <sys/stddef.h>
#include <sys/param.h>
#include <sys/queue.h>
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/bus.h>
#include <sys/module.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <sys/condvar.h>
#include <sys/sysctl.h>
#include <sys/sx.h>
#include <sys/unistd.h>
#include <sys/callout.h>
#include <sys/malloc.h>
#include <sys/priv.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdi.h>
#include <dev/usb/usb_core.h>
#include <dev/usb/usb_ioctl.h>
#include <dev/usb/usb_util.h>
#include <dev/usb/template/usb_template.h>
#endif /* USB_GLOBAL_INCLUDE_FILE */
enum {
MSC_LANG_INDEX,
MSC_INTERFACE_INDEX,
MSC_CONFIGURATION_INDEX,
MSC_MANUFACTURER_INDEX,
MSC_PRODUCT_INDEX,
MSC_SERIAL_NUMBER_INDEX,
MSC_MAX_INDEX,
};
#define MSC_DEFAULT_INTERFACE "USB Mass Storage Interface"
#define MSC_DEFAULT_CONFIGURATION "Default Config"
#define MSC_DEFAULT_MANUFACTURER "FreeBSD foundation"
#define MSC_DEFAULT_PRODUCT "USB Memory Stick"
#define MSC_DEFAULT_SERIAL_NUMBER "March 2008"
static struct usb_string_descriptor msc_interface;
static struct usb_string_descriptor msc_configuration;
static struct usb_string_descriptor msc_manufacturer;
static struct usb_string_descriptor msc_product;
static struct usb_string_descriptor msc_serial_number;
static struct sysctl_ctx_list msc_ctx_list;
/* prototypes */
static usb_temp_get_string_desc_t msc_get_string_desc;
static const struct usb_temp_packet_size bulk_mps = {
.mps[USB_SPEED_FULL] = 64,
.mps[USB_SPEED_HIGH] = 512,
};
static const struct usb_temp_endpoint_desc bulk_in_ep = {
.pPacketSize = &bulk_mps,
#ifdef USB_HIP_IN_EP_0
.bEndpointAddress = USB_HIP_IN_EP_0,
#else
.bEndpointAddress = UE_DIR_IN,
#endif
.bmAttributes = UE_BULK,
};
static const struct usb_temp_endpoint_desc bulk_out_ep = {
.pPacketSize = &bulk_mps,
#ifdef USB_HIP_OUT_EP_0
.bEndpointAddress = USB_HIP_OUT_EP_0,
#else
.bEndpointAddress = UE_DIR_OUT,
#endif
.bmAttributes = UE_BULK,
};
static const struct usb_temp_endpoint_desc *msc_data_endpoints[] = {
&bulk_in_ep,
&bulk_out_ep,
NULL,
};
static const struct usb_temp_interface_desc msc_data_interface = {
.ppEndpoints = msc_data_endpoints,
.bInterfaceClass = UICLASS_MASS,
.bInterfaceSubClass = UISUBCLASS_SCSI,
.bInterfaceProtocol = UIPROTO_MASS_BBB,
.iInterface = MSC_INTERFACE_INDEX,
};
static const struct usb_temp_interface_desc *msc_interfaces[] = {
&msc_data_interface,
NULL,
};
static const struct usb_temp_config_desc msc_config_desc = {
.ppIfaceDesc = msc_interfaces,
.bmAttributes = UC_BUS_POWERED,
.bMaxPower = 25, /* 50 mA */
.iConfiguration = MSC_CONFIGURATION_INDEX,
};
static const struct usb_temp_config_desc *msc_configs[] = {
&msc_config_desc,
NULL,
};
struct usb_temp_device_desc usb_template_msc = {
.getStringDesc = &msc_get_string_desc,
.ppConfigDesc = msc_configs,
.idVendor = USB_TEMPLATE_VENDOR,
.idProduct = 0x0012,
.bcdDevice = 0x0100,
.bDeviceClass = UDCLASS_COMM,
.bDeviceSubClass = 0,
.bDeviceProtocol = 0,
.iManufacturer = MSC_MANUFACTURER_INDEX,
.iProduct = MSC_PRODUCT_INDEX,
.iSerialNumber = MSC_SERIAL_NUMBER_INDEX,
};
/*------------------------------------------------------------------------*
* msc_get_string_desc
*
* Return values:
* NULL: Failure. No such string.
* Else: Success. Pointer to string descriptor is returned.
*------------------------------------------------------------------------*/
static const void *
msc_get_string_desc(uint16_t lang_id, uint8_t string_index)
{
static const void *ptr[MSC_MAX_INDEX] = {
[MSC_LANG_INDEX] = &usb_string_lang_en,
[MSC_INTERFACE_INDEX] = &msc_interface,
[MSC_CONFIGURATION_INDEX] = &msc_configuration,
[MSC_MANUFACTURER_INDEX] = &msc_manufacturer,
[MSC_PRODUCT_INDEX] = &msc_product,
[MSC_SERIAL_NUMBER_INDEX] = &msc_serial_number,
};
if (string_index == 0) {
return (&usb_string_lang_en);
}
if (lang_id != 0x0409) {
return (NULL);
}
if (string_index < MSC_MAX_INDEX) {
return (ptr[string_index]);
}
return (NULL);
}
static void
msc_init(void *arg __unused)
{
struct sysctl_oid *parent;
char parent_name[3];
usb_make_str_desc(&msc_interface, sizeof(msc_interface),
MSC_DEFAULT_INTERFACE);
usb_make_str_desc(&msc_configuration, sizeof(msc_configuration),
MSC_DEFAULT_CONFIGURATION);
usb_make_str_desc(&msc_manufacturer, sizeof(msc_manufacturer),
MSC_DEFAULT_MANUFACTURER);
usb_make_str_desc(&msc_product, sizeof(msc_product),
MSC_DEFAULT_PRODUCT);
usb_make_str_desc(&msc_serial_number, sizeof(msc_serial_number),
MSC_DEFAULT_SERIAL_NUMBER);
snprintf(parent_name, sizeof(parent_name), "%d", USB_TEMP_MSC);
sysctl_ctx_init(&msc_ctx_list);
parent = SYSCTL_ADD_NODE(&msc_ctx_list,
SYSCTL_STATIC_CHILDREN(_hw_usb_templates), OID_AUTO,
parent_name, CTLFLAG_RW,
0, "USB Mass Storage device side template");
SYSCTL_ADD_U16(&msc_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"vendor_id", CTLFLAG_RWTUN,
&usb_template_msc.idVendor, 1, "Vendor identifier");
SYSCTL_ADD_U16(&msc_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"product_id", CTLFLAG_RWTUN,
&usb_template_msc.idProduct, 1, "Product identifier");
#if 0
SYSCTL_ADD_PROC(&msc_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"interface", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&msc_interface, sizeof(msc_interface), usb_temp_sysctl,
"A", "Interface string");
SYSCTL_ADD_PROC(&msc_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"configuration", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&msc_configuration, sizeof(msc_configuration), usb_temp_sysctl,
"A", "Configuration string");
#endif
SYSCTL_ADD_PROC(&msc_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"manufacturer", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&msc_manufacturer, sizeof(msc_manufacturer), usb_temp_sysctl,
"A", "Manufacturer string");
SYSCTL_ADD_PROC(&msc_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"product", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&msc_product, sizeof(msc_product), usb_temp_sysctl,
"A", "Product string");
SYSCTL_ADD_PROC(&msc_ctx_list, SYSCTL_CHILDREN(parent), OID_AUTO,
"serial_number", CTLTYPE_STRING | CTLFLAG_RWTUN | CTLFLAG_MPSAFE,
&msc_serial_number, sizeof(msc_serial_number), usb_temp_sysctl,
"A", "Serial number string");
}
static void
msc_uninit(void *arg __unused)
{
sysctl_ctx_free(&msc_ctx_list);
}
SYSINIT(msc_init, SI_SUB_LOCK, SI_ORDER_FIRST, msc_init, NULL);
SYSUNINIT(msc_init, SI_SUB_LOCK, SI_ORDER_FIRST, msc_uninit, NULL);