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|
/*
* CDC MBIM Device emulation
*
* Copyright (c) Bjørn Mork <bjorn@mork.no>
*
* This code is licensed under the LGPL.
*/
#include "qemu-common.h"
#include "qemu-error.h"
#include "hw/usb.h"
#include "hw/usb/desc.h"
#define DEBUG_MBIM
#ifdef DEBUG_MBIM
#define DPRINTF(fmt, ...) \
do { printf("usb-mbim: %s:" fmt , __FUNCTION__, ## __VA_ARGS__); } while (0)
#else
#define DPRINTF(fmt, ...) do {} while(0)
#endif
#define InterfaceOutClass \
((USB_DIR_OUT | USB_TYPE_CLASS | USB_RECIP_INTERFACE)<<8)
#define InterfaceInClass \
((USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE)<<8)
#define USB_CDC_SEND_ENCAPSULATED_COMMAND 0x00
#define USB_CDC_GET_ENCAPSULATED_RESPONSE 0x01
#define USB_CDC_REQ_SET_LINE_CODING 0x20
#define USB_CDC_REQ_GET_LINE_CODING 0x21
#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
#define USB_CDC_REQ_SEND_BREAK 0x23
#define USB_CDC_SET_ETHERNET_MULTICAST_FILTERS 0x40
#define USB_CDC_SET_ETHERNET_PM_PATTERN_FILTER 0x41
#define USB_CDC_GET_ETHERNET_PM_PATTERN_FILTER 0x42
#define USB_CDC_SET_ETHERNET_PACKET_FILTER 0x43
#define USB_CDC_GET_ETHERNET_STATISTIC 0x44
#define USB_CDC_GET_NTB_PARAMETERS 0x80
#define USB_CDC_GET_NET_ADDRESS 0x81
#define USB_CDC_SET_NET_ADDRESS 0x82
#define USB_CDC_GET_NTB_FORMAT 0x83
#define USB_CDC_SET_NTB_FORMAT 0x84
#define USB_CDC_GET_NTB_INPUT_SIZE 0x85
#define USB_CDC_SET_NTB_INPUT_SIZE 0x86
#define USB_CDC_GET_MAX_DATAGRAM_SIZE 0x87
#define USB_CDC_SET_MAX_DATAGRAM_SIZE 0x88
#define USB_CDC_GET_CRC_MODE 0x89
#define USB_CDC_SET_CRC_MODE 0x8a
enum {
STR_MANUFACTURER = 1,
STR_PRODUCT_MBIM,
STR_SERIALNUMBER,
STR_MACADDRESS,
STR_COMMANDSET,
};
static const USBDescStrings desc_strings = {
[STR_MANUFACTURER] = "QEMU",
[STR_PRODUCT_MBIM] = "QEMU USB CDC MBIM",
[STR_SERIALNUMBER] = "1",
[STR_MACADDRESS] = "5254DEADBEEF",
[STR_COMMANDSET] = "S_NCM_CMD_FUNC",
};
/* CDC functional descriptors: */
static const uint8_t cdc_header[] = {
0x05, /* bLength; */
0x24, /* bDescriptorType; Functional */
0x00, /* bDescriptorSubType */
0x10, 0x01, /* bcdCDC 1.10 */
};
static const uint8_t cdc_mbim[] = {
0x0c, /* bLength; */
0x24, /* bDescriptorType; Functional */
0x1b, /* bDescriptorSubType */
0x00, 0x01, /* bcdMBIMVersion 1.00 */
0x00, 0x06, /* wMaxControlMessage 1536 */
0x10, /* bNumberFilters 16 */
0x28, /* bMaxFilterSize 40 */
0x00, 0x10, /* wMaxSegmentSize 4096 */
0x20, /* bmNetworkCapabilities 0x20 */
};
static const uint8_t cdc_union[] = {
0x05, /* bLength; */
0x24, /* bDescriptorType; Functional */
0x06, /* bDescriptorSubType */
0x00, /* bMasterInterface 0 */
0x01, /* bSlaveInterface 1 */
};
static const uint8_t cdc_ethernet[] = {
0x0d, /* bLength; */
0x24, /* bDescriptorType; Functional */
0x0f, /* bDescriptorSubType */
STR_MACADDRESS, /* iMacAddress */
0x00, 0x00, 0x00, 0x00, /* bmEthernetStatistics 0x00000000 */
0xea, 0x05, /* wMaxSegmentSize 1514 */
0x40, 0x80, /* wNumberMCFilters 0x8040 */
0x01, /* bNumberPowerFilters 1 */
};
static const uint8_t cdc_ncm[] = {
0x06, /* bLength; */
0x24, /* bDescriptorType; Functional */
0x1a, /* bDescriptorSubType */
0x00, 0x01, /* bcdNcmVersion 1.00 */
0x1b, /* bmNetworkCapabilities 0x1b */
};
static const uint8_t cdc_commandset[] = {
0x16, /* bLength; */
0x24, /* bDescriptorType; Functional */
0x16, /* bDescriptorSubType */
0x00, 0x01, /* bcdVersion 1.00 */
STR_COMMANDSET, /* iCommandSet 13 S_NCM_CMD_FUNC */
/* bGUID {2e23bbae-c188-11df-bcdc-d9c6dfd72085} */
0x2e, 0x23, 0xbb, 0xae, 0xc1, 0x88, 0x11, 0xdf, 0xbc, 0xdc, 0xd9, 0xc6, 0xdf, 0xd7, 0x20, 0x85,
};
/*
MBIM with NCM 1.0 compatibility setting
=======================================
I: If#= 0 Alt= 0 #EPs= 1 Cls=02(comm.) Sub=0d Prot=00 Driver=cdc_ncm
E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
I:* If#= 0 Alt= 1 #EPs= 1 Cls=02(comm.) Sub=0e Prot=00 Driver=cdc_ncm
E: Ad=81(I) Atr=03(Int.) MxPS= 64 Ivl=2ms
I: If#= 1 Alt= 0 #EPs= 0 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
I: If#= 1 Alt= 1 #EPs= 2 Cls=0a(data ) Sub=00 Prot=01 Driver=cdc_ncm
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
I:* If#= 1 Alt= 2 #EPs= 2 Cls=0a(data ) Sub=00 Prot=02 Driver=cdc_ncm
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS= 512 Ivl=4ms
*/
static const USBDescIface desc_iface_mbim[] = {
{
.bInterfaceNumber = 0,
.bAlternateSetting = 0,
.bNumEndpoints = 1,
.bInterfaceClass = 0x02,
.bInterfaceSubClass = 0x0d, /* NCM */
.bInterfaceProtocol = 0x00,
.ndesc = 5,
.descs = (USBDescOther[]) {
{
.data = cdc_header,
},
{
.data = cdc_union,
},
{
.data = cdc_ethernet,
},
{
.data = cdc_ncm,
},
{
.data = cdc_commandset,
},
},
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_INT,
.wMaxPacketSize = 64,
.bInterval = 7,
},
}
},{
.bInterfaceNumber = 0,
.bAlternateSetting = 1,
.bNumEndpoints = 1,
.bInterfaceClass = 0x02,
.bInterfaceSubClass = 0x0e, /* MBIM */
.bInterfaceProtocol = 0x00,
.ndesc = 3,
.descs = (USBDescOther[]) {
{
.data = cdc_header,
},
{
.data = cdc_mbim,
},
{
.data = cdc_union,
},
},
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_INT,
.wMaxPacketSize = 64,
.bInterval = 7,
},
}
},{
.bInterfaceNumber = 1,
.bAlternateSetting = 0,
.bNumEndpoints = 0,
.bInterfaceClass = 0x0a, /* CDC Data */
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x01, /* NCM */
.eps = (USBDescEndpoint[]) {
}
},{
.bInterfaceNumber = 1,
.bAlternateSetting = 1,
.bNumEndpoints = 2,
.bInterfaceClass = 0x0a, /* CDC Data */
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x01, /* NCM */
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},{
.bEndpointAddress = USB_DIR_OUT | 0x02,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},
}
},{
.bInterfaceNumber = 1,
.bAlternateSetting = 2,
.bNumEndpoints = 2,
.bInterfaceClass = 0x0a, /* CDC Data */
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x02, /* MBIM */
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},{
.bEndpointAddress = USB_DIR_OUT | 0x02,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},
}
}
};
static const USBDescIface desc_iface_ncm[] = {
{
.bInterfaceNumber = 0,
.bAlternateSetting = 0,
.bNumEndpoints = 1,
.bInterfaceClass = 0x02,
.bInterfaceSubClass = 0x0d, /* NCM */
.bInterfaceProtocol = 0x00,
.ndesc = 5,
.descs = (USBDescOther[]) {
{
.data = cdc_header,
},
{
.data = cdc_union,
},
{
.data = cdc_ethernet,
},
{
.data = cdc_ncm,
},
{
.data = cdc_commandset,
},
},
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_INT,
.wMaxPacketSize = 64,
.bInterval = 7,
},
}
},{
.bInterfaceNumber = 1,
.bAlternateSetting = 0,
.bNumEndpoints = 0,
.bInterfaceClass = 0x0a, /* CDC Data */
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x01, /* NCM */
.eps = (USBDescEndpoint[]) {
}
},{
.bInterfaceNumber = 1,
.bAlternateSetting = 1,
.bNumEndpoints = 2,
.bInterfaceClass = 0x0a, /* CDC Data */
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x01, /* NCM */
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},{
.bEndpointAddress = USB_DIR_OUT | 0x02,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},
}
}
};
static const USBDescIface desc_iface_mbim_nocompat[] = {
{
.bInterfaceNumber = 0,
.bAlternateSetting = 0,
.bNumEndpoints = 1,
.bInterfaceClass = 0x02,
.bInterfaceSubClass = 0x0e, /* MBIM */
.bInterfaceProtocol = 0x00,
.ndesc = 3,
.descs = (USBDescOther[]) {
{
.data = cdc_header,
},
{
.data = cdc_mbim,
},
{
.data = cdc_union,
},
},
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_INT,
.wMaxPacketSize = 64,
.bInterval = 7,
},
}
},{
.bInterfaceNumber = 1,
.bAlternateSetting = 0,
.bNumEndpoints = 0,
.bInterfaceClass = 0x0a, /* CDC Data */
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x02, /* MBIM */
.eps = (USBDescEndpoint[]) {
}
},{
.bInterfaceNumber = 1,
.bAlternateSetting = 1,
.bNumEndpoints = 2,
.bInterfaceClass = 0x0a, /* CDC Data */
.bInterfaceSubClass = 0x00,
.bInterfaceProtocol = 0x02, /* MBIM */
.eps = (USBDescEndpoint[]) {
{
.bEndpointAddress = USB_DIR_IN | 0x01,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},{
.bEndpointAddress = USB_DIR_OUT | 0x02,
.bmAttributes = USB_ENDPOINT_XFER_BULK,
.wMaxPacketSize = 64,
},
}
}
};
static const USBDescDevice desc_device_mbim = {
.bcdUSB = 0x0200,
.bMaxPacketSize0 = 8,
.bNumConfigurations = 1,
.confs = (USBDescConfig[]) {
{
.bNumInterfaces = 2,
.bConfigurationValue = 1,
.bmAttributes = 0x80,
.bMaxPower = 50,
.nif = ARRAY_SIZE(desc_iface_mbim),
.ifs = desc_iface_mbim,
},
},
};
static const USBDescDevice desc_device_ncm = {
.bcdUSB = 0x0200,
.bMaxPacketSize0 = 8,
.bNumConfigurations = 1,
.confs = (USBDescConfig[]) {
{
.bNumInterfaces = 2,
.bConfigurationValue = 1,
.bmAttributes = 0x80,
.bMaxPower = 50,
.nif = ARRAY_SIZE(desc_iface_ncm),
.ifs = desc_iface_ncm,
},
},
};
static const USBDescDevice desc_device_nocompat = {
.bcdUSB = 0x0200,
.bMaxPacketSize0 = 8,
.bNumConfigurations = 1,
.confs = (USBDescConfig[]) {
{
.bNumInterfaces = 2,
.bConfigurationValue = 1,
.bmAttributes = 0x80,
.bMaxPower = 50,
.nif = ARRAY_SIZE(desc_iface_mbim_nocompat),
.ifs = desc_iface_mbim_nocompat,
},
},
};
static const USBDesc desc_mbim = {
.id = {
.idVendor = 0xff03,
.idProduct = 0xf001,
.bcdDevice = 0x0100,
.iManufacturer = STR_MANUFACTURER,
.iProduct = 0,
.iSerialNumber = STR_SERIALNUMBER,
},
.full = &desc_device_mbim,
.str = desc_strings,
};
static const USBDesc desc_ncm = {
.id = {
.idVendor = 0xff03,
.idProduct = 0xf002,
.bcdDevice = 0x0100,
.iManufacturer = STR_MANUFACTURER,
.iProduct = 0,
.iSerialNumber = STR_SERIALNUMBER,
},
.full = &desc_device_ncm,
.str = desc_strings,
};
static const USBDesc desc_mbim_nocompat = {
.id = {
.idVendor = 0xff03,
.idProduct = 0xf003,
.bcdDevice = 0x0100,
.iManufacturer = STR_MANUFACTURER,
.iProduct = 0,
.iSerialNumber = STR_SERIALNUMBER,
},
.full = &desc_device_nocompat,
.str = desc_strings,
};
static const uint8_t ncm_ntb_parameters[] = {
0x1c, 0x00, /* __le16 wLength; */
0x00, 0x00, /* __le16 bmNtbFormatsSupported; */
0x00, 0x00, 0x02, 0x00, /* __le32 dwNtbInMaxSize; */
0x20, 0x00, /* __le16 wNdpInDivisor; */
0x00, 0x00, /* __le16 wNdpInPayloadRemainder; */
0x20, 0x00, /* __le16 wNdpInAlignment; */
0x00, 0x00, /* __le16 wPadding1; */
0x00, 0x80, 0x00, 0x00, /* __le32 dwNtbOutMaxSize; */
0x04, 0x00, /* __le16 wNdpOutDivisor; */
0x00, 0x00, /* __le16 wNdpOutPayloadRemainder; */
0x20, 0x00, /* __le16 wNdpOutAlignment; */
0x00, 0x00, /* __le16 wNtbOutMaxDatagrams; */
};
static void usb_mbim_handle_reset(USBDevice *dev)
{
DPRINTF("Reset\n");
}
static int usb_mbim_handle_control(USBDevice *dev, USBPacket *p,
int request, int value, int index, int length, uint8_t *data)
{
int ret;
DPRINTF("got control %x, value %x\n",request, value);
ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
if (ret >= 0) {
return ret;
}
ret = 0;
/* Class specific requests. */
switch (request) {
case InterfaceOutClass | USB_CDC_SET_NTB_INPUT_SIZE:
DPRINTF("USB_CDC_SET_NTB_INPUT_SIZE is not implemented\n");
goto fail;
case InterfaceOutClass | USB_CDC_SET_CRC_MODE:
DPRINTF("USB_CDC_SET_CRC_MODE is not implemented\n");
goto fail;
case InterfaceOutClass | USB_CDC_SET_NTB_FORMAT:
DPRINTF("USB_CDC_SET_NTB_FORMAT is not implemented\n");
goto fail;
case InterfaceOutClass | USB_CDC_SET_MAX_DATAGRAM_SIZE:
DPRINTF("USB_CDC_SET_MAX_DATAGRAM_SIZE is not implemented\n");
goto fail;
case InterfaceInClass | USB_CDC_GET_NTB_PARAMETERS:
DPRINTF("USB_CDC_GET_NTB_PARAMETERS, length=%d, sizeof(ncm_ntb_parameters)=%zu\n", length, sizeof(ncm_ntb_parameters));
if (length == sizeof(ncm_ntb_parameters))
memcpy(data, ncm_ntb_parameters, sizeof(ncm_ntb_parameters));
else
goto fail;
ret = sizeof(ncm_ntb_parameters);
break;
case InterfaceInClass | USB_CDC_GET_MAX_DATAGRAM_SIZE:
DPRINTF("USB_CDC_GET_MAX_DATAGRAM_SIZE is not implemented\n");
goto fail;
default:
DPRINTF("got unsupported/bogus control %x, value %x\n", request, value);
fail:
ret = USB_RET_STALL;
break;
}
return ret;
}
static int usb_mbim_handle_data(USBDevice *dev, USBPacket *p)
{
int ret = 0;
uint8_t devep = p->ep->nr;
DPRINTF("ep=0x%02x\n",devep);
switch (p->pid) {
case USB_TOKEN_OUT:
break;
case USB_TOKEN_IN:
break;
default:
DPRINTF("Bad token\n");
ret = USB_RET_STALL;
break;
}
return ret;
}
static void usb_mbim_handle_destroy(USBDevice *dev)
{
DPRINTF("\n");
}
static int usb_mbim_initfn(USBDevice *dev)
{
DPRINTF("\n");
usb_desc_create_serial(dev);
usb_desc_init(dev);
usb_mbim_handle_reset(dev);
return 0;
}
static const VMStateDescription vmstate_usb_mbim = {
.name = "usb-mbim",
.unmigratable = 1,
};
static const VMStateDescription vmstate_usb_ncm = {
.name = "usb-ncm",
.unmigratable = 1,
};
static const VMStateDescription vmstate_usb_mbim_nocompat = {
.name = "usb-mbim-nocompat",
.unmigratable = 1,
};
static void usb_mbim_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
uc->init = usb_mbim_initfn;
uc->product_desc = "QEMU USB CDC MBIM";
uc->usb_desc = &desc_mbim;
uc->handle_reset = usb_mbim_handle_reset;
uc->handle_control = usb_mbim_handle_control;
uc->handle_data = usb_mbim_handle_data;
uc->handle_destroy = usb_mbim_handle_destroy;
dc->vmsd = &vmstate_usb_mbim;
}
static void usb_ncm_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
uc->init = usb_mbim_initfn;
uc->product_desc = "QEMU USB CDC NCM";
uc->usb_desc = &desc_ncm;
uc->handle_reset = usb_mbim_handle_reset;
uc->handle_control = usb_mbim_handle_control;
uc->handle_data = usb_mbim_handle_data;
uc->handle_destroy = usb_mbim_handle_destroy;
dc->vmsd = &vmstate_usb_mbim;
}
static void usb_mbim_nocompat_class_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
uc->init = usb_mbim_initfn;
uc->product_desc = "QEMU USB CDC MBIM";
uc->usb_desc = &desc_mbim_nocompat;
uc->handle_reset = usb_mbim_handle_reset;
uc->handle_control = usb_mbim_handle_control;
uc->handle_data = usb_mbim_handle_data;
uc->handle_destroy = usb_mbim_handle_destroy;
dc->vmsd = &vmstate_usb_mbim;
}
static TypeInfo mbim_info = {
.name = "usb-mbim",
.parent = TYPE_USB_DEVICE,
.instance_size = sizeof(USBDevice),
.class_init = usb_mbim_class_initfn,
};
static TypeInfo ncm_info = {
.name = "usb-ncm",
.parent = TYPE_USB_DEVICE,
.instance_size = sizeof(USBDevice),
.class_init = usb_ncm_class_initfn,
};
static TypeInfo mbim_nocompat_info = {
.name = "usb-mbim-nocompat",
.parent = TYPE_USB_DEVICE,
.instance_size = sizeof(USBDevice),
.class_init = usb_mbim_nocompat_class_initfn,
};
static void usb_mbim_register_types(void)
{
type_register_static(&mbim_info);
usb_legacy_register("usb-mbim", "mbim", NULL);
type_register_static(&ncm_info);
usb_legacy_register("usb-ncm", "ncm", NULL);
type_register_static(&mbim_nocompat_info);
usb_legacy_register("usb-mbim-nocompat", "mbim-nocompat", NULL);
}
type_init(usb_mbim_register_types)
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