710 lines
22 KiB
C++
710 lines
22 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// USB hub emulation support (ported from QEMU)
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//
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// Copyright (C) 2005 Fabrice Bellard
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// Copyright (C) 2009-2015 The Bochs Project
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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/////////////////////////////////////////////////////////////////////////
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// Define BX_PLUGGABLE in files that can be compiled into plugins. For
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// platforms that require a special tag on exported symbols, BX_PLUGGABLE
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// is used to know when we are exporting symbols and when we are importing.
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#define BX_PLUGGABLE
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#include "iodev.h"
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#if BX_SUPPORT_PCI && BX_SUPPORT_PCIUSB
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#include "usb_common.h"
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#include "usb_hub.h"
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#define LOG_THIS
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#define ClearHubFeature (0x2000 | USB_REQ_CLEAR_FEATURE)
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#define ClearPortFeature (0x2300 | USB_REQ_CLEAR_FEATURE)
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#define GetHubDescriptor (0xa000 | USB_REQ_GET_DESCRIPTOR)
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#define GetHubStatus (0xa000 | USB_REQ_GET_STATUS)
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#define GetPortStatus (0xa300 | USB_REQ_GET_STATUS)
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#define SetHubFeature (0x2000 | USB_REQ_SET_FEATURE)
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#define SetPortFeature (0x2300 | USB_REQ_SET_FEATURE)
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#define PORT_STAT_CONNECTION 0x0001
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#define PORT_STAT_ENABLE 0x0002
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#define PORT_STAT_SUSPEND 0x0004
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#define PORT_STAT_OVERCURRENT 0x0008
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#define PORT_STAT_RESET 0x0010
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#define PORT_STAT_POWER 0x0100
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#define PORT_STAT_LOW_SPEED 0x0200
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#define PORT_STAT_HIGH_SPEED 0x0400
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#define PORT_STAT_TEST 0x0800
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#define PORT_STAT_INDICATOR 0x1000
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#define PORT_STAT_C_CONNECTION 0x0001
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#define PORT_STAT_C_ENABLE 0x0002
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#define PORT_STAT_C_SUSPEND 0x0004
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#define PORT_STAT_C_OVERCURRENT 0x0008
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#define PORT_STAT_C_RESET 0x0010
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#define PORT_CONNECTION 0
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#define PORT_ENABLE 1
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#define PORT_SUSPEND 2
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#define PORT_OVERCURRENT 3
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#define PORT_RESET 4
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#define PORT_POWER 8
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#define PORT_LOWSPEED 9
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#define PORT_HIGHSPEED 10
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#define PORT_C_CONNECTION 16
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#define PORT_C_ENABLE 17
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#define PORT_C_SUSPEND 18
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#define PORT_C_OVERCURRENT 19
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#define PORT_C_RESET 20
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#define PORT_TEST 21
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#define PORT_INDICATOR 22
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static Bit32u serial_number = 1234;
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static const Bit8u bx_hub_dev_descriptor[] = {
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0x12, /* u8 bLength; */
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0x01, /* u8 bDescriptorType; Device */
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0x00, 0x02, /* u16 bcdUSB; v2.0 */
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0x09, /* u8 bDeviceClass; HUB_CLASSCODE */
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0x00, /* u8 bDeviceSubClass; */
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0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
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0x40, /* u8 bMaxPacketSize0; 64 Bytes */
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0x09, 0x04, /* u16 idVendor; */
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0x5A, 0x00, /* u16 idProduct; */
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0x00, 0x01, /* u16 bcdDevice */
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0x00, /* u8 iManufacturer; */
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0x00, /* u8 iProduct; */
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0x00, /* u8 iSerialNumber; */
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0x01 /* u8 bNumConfigurations; */
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};
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/* XXX: patch interrupt size */
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static const Bit8u bx_hub_config_descriptor[] = {
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/* one configuration */
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0x09, /* u8 bLength; */
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0x02, /* u8 bDescriptorType; Configuration */
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0x19, 0x00, /* u16 wTotalLength; */
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0x01, /* u8 bNumInterfaces; (1) */
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0x01, /* u8 bConfigurationValue; */
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0x00, /* u8 iConfiguration; */
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0xE0, /* u8 bmAttributes;
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Bit 7: must be set,
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6: Self-powered,
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5: Remote wakeup,
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4..0: resvd */
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0x32, /* u8 MaxPower; */
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/* USB 1.1:
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* USB 2.0, single TT organization (mandatory):
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* one interface, protocol 0
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*
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* USB 2.0, multiple TT organization (optional):
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* two interfaces, protocols 1 (like single TT)
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* and 2 (multiple TT mode) ... config is
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* sometimes settable
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* NOT IMPLEMENTED
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*/
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/* one interface */
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0x09, /* u8 if_bLength; */
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0x04, /* u8 if_bDescriptorType; Interface */
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0x00, /* u8 if_bInterfaceNumber; */
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0x00, /* u8 if_bAlternateSetting; */
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0x01, /* u8 if_bNumEndpoints; */
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0x09, /* u8 if_bInterfaceClass; HUB_CLASSCODE */
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0x00, /* u8 if_bInterfaceSubClass; */
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0x00, /* u8 if_bInterfaceProtocol; [usb1.1 or single tt] */
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0x00, /* u8 if_iInterface; */
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/* one endpoint (status change endpoint) */
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0x07, /* u8 ep_bLength; */
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0x05, /* u8 ep_bDescriptorType; Endpoint */
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0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
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0x03, /* u8 ep_bmAttributes; Interrupt */
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0x02, 0x00, /* u16 ep_wMaxPacketSize; 1 + (MAX_ROOT_PORTS / 8) */
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0xff /* u8 ep_bInterval; (255ms -- usb 2.0 spec) */
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};
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static const Bit8u bx_hub_hub_descriptor[] =
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{
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0x00, /* u8 bLength; patched in later */
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0x29, /* u8 bDescriptorType; Hub-descriptor */
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0x00, /* u8 bNbrPorts; (patched later) */
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0xa9, /* u16 wHubCharacteristics; */
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0x00, /* (per-port OC, no power switching) */
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0x32, /* u8 bPwrOn2pwrGood; 2ms */
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0x64 /* u8 bHubContrCurrent; 0 mA */
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/* DeviceRemovable and PortPwrCtrlMask patched in later */
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};
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static int hub_count = 0;
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void usb_hub_restore_handler(void *dev, bx_list_c *conf);
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usb_hub_device_c::usb_hub_device_c(Bit8u ports)
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{
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int i;
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char pname[10];
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char label[32];
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bx_list_c *port;
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bx_param_string_c *device;
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d.type = USB_DEV_TYPE_HUB;
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d.maxspeed = USB_SPEED_FULL;
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d.speed = d.maxspeed;
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strcpy(d.devname, "Bochs USB HUB");
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d.connected = 1;
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memset((void*)&hub, 0, sizeof(hub));
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hub.n_ports = ports;
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sprintf(hub.serial_number, "%d", serial_number++);
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for(i = 0; i < hub.n_ports; i++) {
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hub.usb_port[i].PortStatus = PORT_STAT_POWER;
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hub.usb_port[i].PortChange = 0;
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}
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hub.device_change = 0;
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// config options
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bx_list_c *usb_rt = (bx_list_c*)SIM->get_param(BXPN_MENU_RUNTIME_USB);
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sprintf(pname, "exthub%d", ++hub_count);
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sprintf(label, "External Hub #%d Configuration", hub_count);
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hub.config = new bx_list_c(usb_rt, pname, label);
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hub.config->set_options(bx_list_c::SHOW_PARENT);
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hub.config->set_device_param(this);
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for(i = 0; i < hub.n_ports; i++) {
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sprintf(pname, "port%d", i+1);
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sprintf(label, "Port #%d Configuration", i+1);
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port = new bx_list_c(hub.config, pname, label);
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port->set_options(port->SERIES_ASK | port->USE_BOX_TITLE);
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device = new bx_param_string_c(port, "device", "Device", "", "", BX_PATHNAME_LEN);
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device->set_handler(hub_param_handler);
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new bx_param_string_c(port, "options", "Options", "", "", BX_PATHNAME_LEN);
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}
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if (SIM->is_wx_selected()) {
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bx_list_c *usb = (bx_list_c*)SIM->get_param("ports.usb");
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usb->add(hub.config);
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}
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put("usb_hub", "USBHUB");
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}
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usb_hub_device_c::~usb_hub_device_c(void)
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{
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for (int i=0; i<hub.n_ports; i++) {
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remove_device(i);
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}
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if (SIM->is_wx_selected()) {
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bx_list_c *usb = (bx_list_c*)SIM->get_param("ports.usb");
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usb->remove(hub.config->get_name());
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}
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bx_list_c *usb_rt = (bx_list_c*)SIM->get_param(BXPN_MENU_RUNTIME_USB);
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usb_rt->remove(hub.config->get_name());
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}
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void usb_hub_device_c::register_state_specific(bx_list_c *parent)
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{
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Bit8u i;
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char portnum[6];
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bx_list_c *port, *pconf, *config;
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hub.state = new bx_list_c(parent, "hub", "USB HUB Device State");
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for (i=0; i<hub.n_ports; i++) {
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sprintf(portnum, "port%d", i+1);
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port = new bx_list_c(hub.state, portnum);
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pconf = (bx_list_c*)hub.config->get_by_name(portnum);
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config = new bx_list_c(port, portnum);
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config->add(pconf->get_by_name("device"));
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config->add(pconf->get_by_name("options"));
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config->set_restore_handler(this, usb_hub_restore_handler);
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BXRS_HEX_PARAM_FIELD(port, PortStatus, hub.usb_port[i].PortStatus);
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BXRS_HEX_PARAM_FIELD(port, PortChange, hub.usb_port[i].PortChange);
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// empty list for USB device state
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new bx_list_c(port, "device");
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}
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}
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void usb_hub_device_c::after_restore_state()
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{
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for (int i=0; i<hub.n_ports; i++) {
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if (hub.usb_port[i].device != NULL) {
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hub.usb_port[i].device->after_restore_state();
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}
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}
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}
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void usb_hub_device_c::handle_reset()
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{
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// TODO
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BX_DEBUG(("Reset"));
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}
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int usb_hub_device_c::handle_control(int request, int value, int index, int length, Bit8u *data)
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{
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int ret = 0;
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unsigned int n;
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switch(request) {
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case DeviceRequest | USB_REQ_GET_STATUS:
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if (d.state == USB_STATE_DEFAULT)
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goto fail;
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else {
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data[0] = (1 << USB_DEVICE_SELF_POWERED) |
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(d.remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
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data[1] = 0x00;
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ret = 2;
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}
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break;
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case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
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if (value == USB_DEVICE_REMOTE_WAKEUP) {
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d.remote_wakeup = 0;
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} else {
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goto fail;
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}
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ret = 0;
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break;
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case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
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if (value == 0 && index != 0x81) { /* clear ep halt */
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goto fail;
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}
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ret = 0;
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break;
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case DeviceOutRequest | USB_REQ_SET_FEATURE:
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if (value == USB_DEVICE_REMOTE_WAKEUP) {
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d.remote_wakeup = 1;
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} else {
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goto fail;
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}
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ret = 0;
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break;
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case DeviceOutRequest | USB_REQ_SET_ADDRESS:
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d.state = USB_STATE_ADDRESS;
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d.addr = value;
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ret = 0;
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break;
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case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
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switch(value >> 8) {
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case USB_DT_DEVICE:
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memcpy(data, bx_hub_dev_descriptor,
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sizeof(bx_hub_dev_descriptor));
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ret = sizeof(bx_hub_dev_descriptor);
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break;
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case USB_DT_CONFIG:
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memcpy(data, bx_hub_config_descriptor,
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sizeof(bx_hub_config_descriptor));
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/* status change endpoint size based on number
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* of ports */
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data[22] = (hub.n_ports + 1 + 7) / 8;
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ret = sizeof(bx_hub_config_descriptor);
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break;
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case USB_DT_STRING:
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switch(value & 0xff) {
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case 0:
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/* language ids */
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data[0] = 4;
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data[1] = 3;
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data[2] = 0x09;
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data[3] = 0x04;
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ret = 4;
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break;
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case 1:
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/* serial number */
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ret = set_usb_string(data, hub.serial_number);
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break;
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case 2:
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/* product description */
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ret = set_usb_string(data, "Bochs USB HUB");
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break;
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case 3:
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/* vendor description */
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ret = set_usb_string(data, "Bochs");
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break;
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default:
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BX_ERROR(("unknown string descriptor type %i", value & 0xff));
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goto fail;
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}
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break;
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default:
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BX_ERROR(("unknown descriptor type: 0x%02x", (value >> 8)));
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goto fail;
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}
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break;
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case DeviceRequest | USB_REQ_GET_CONFIGURATION:
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data[0] = 1;
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ret = 1;
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break;
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case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
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d.state = USB_STATE_CONFIGURED;
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ret = 0;
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break;
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case DeviceRequest | USB_REQ_GET_INTERFACE:
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data[0] = 0;
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ret = 1;
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break;
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case DeviceOutRequest | USB_REQ_SET_INTERFACE:
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ret = 0;
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break;
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/* usb specific requests */
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case GetHubStatus:
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if (d.state == USB_STATE_CONFIGURED) {
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data[0] = 0;
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data[1] = 0;
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data[2] = 0;
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data[3] = 0;
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ret = 4;
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} else
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goto fail;
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break;
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case GetPortStatus:
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n = index - 1;
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if (n >= hub.n_ports)
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goto fail;
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data[0] = (hub.usb_port[n].PortStatus & 0xff);
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data[1] = (hub.usb_port[n].PortStatus >> 8);
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data[2] = (hub.usb_port[n].PortChange & 0xff);
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data[3] = (hub.usb_port[n].PortChange >> 8);
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ret = 4;
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break;
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case SetHubFeature:
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case ClearHubFeature:
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if (value == 0 || value == 1) {
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} else {
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goto fail;
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}
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ret = 0;
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break;
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case SetPortFeature:
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n = index - 1;
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if (n >= hub.n_ports)
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goto fail;
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switch(value) {
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case PORT_SUSPEND:
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hub.usb_port[n].PortStatus |= PORT_STAT_SUSPEND;
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break;
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case PORT_RESET:
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if (hub.usb_port[n].device != NULL) {
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DEV_usb_send_msg(hub.usb_port[n].device, USB_MSG_RESET);
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hub.usb_port[n].PortChange |= PORT_STAT_C_RESET;
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/* set enable bit */
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hub.usb_port[n].PortStatus |= PORT_STAT_ENABLE;
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}
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break;
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case PORT_POWER:
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break;
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default:
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BX_ERROR(("Unknown SetPortFeature: %i", value));
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goto fail;
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}
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ret = 0;
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break;
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case ClearPortFeature:
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n = index - 1;
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if (n >= hub.n_ports)
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goto fail;
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switch(value) {
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case PORT_ENABLE:
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hub.usb_port[n].PortStatus &= ~PORT_STAT_ENABLE;
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break;
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case PORT_C_ENABLE:
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hub.usb_port[n].PortChange &= ~PORT_STAT_C_ENABLE;
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break;
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case PORT_SUSPEND:
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hub.usb_port[n].PortStatus &= ~PORT_STAT_SUSPEND;
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break;
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case PORT_C_SUSPEND:
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hub.usb_port[n].PortChange &= ~PORT_STAT_C_SUSPEND;
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break;
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case PORT_C_CONNECTION:
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hub.usb_port[n].PortChange &= ~PORT_STAT_C_CONNECTION;
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break;
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case PORT_C_OVERCURRENT:
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hub.usb_port[n].PortChange &= ~PORT_STAT_C_OVERCURRENT;
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break;
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case PORT_C_RESET:
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hub.usb_port[n].PortChange &= ~PORT_STAT_C_RESET;
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break;
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default:
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BX_ERROR(("Unknown ClearPortFeature: %i", value));
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goto fail;
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}
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ret = 0;
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break;
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case GetHubDescriptor:
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{
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unsigned int limit, var_hub_size = 0;
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memcpy(data, bx_hub_hub_descriptor,
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sizeof(bx_hub_hub_descriptor));
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data[2] = hub.n_ports;
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/* fill DeviceRemovable bits */
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limit = ((hub.n_ports + 1 + 7) / 8) + 7;
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for (n = 7; n < limit; n++) {
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data[n] = 0x00;
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var_hub_size++;
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}
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/* fill PortPwrCtrlMask bits */
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limit = limit + ((hub.n_ports + 7) / 8);
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for (;n < limit; n++) {
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data[n] = 0xff;
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var_hub_size++;
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}
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ret = sizeof(bx_hub_hub_descriptor) + var_hub_size;
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data[0] = ret;
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break;
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}
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default:
|
|
BX_ERROR(("handle_control: unknown request: 0x%04x", request));
|
|
fail:
|
|
d.stall = 1;
|
|
ret = USB_RET_STALL;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int usb_hub_device_c::handle_data(USBPacket *p)
|
|
{
|
|
int ret = 0;
|
|
|
|
switch(p->pid) {
|
|
case USB_TOKEN_IN:
|
|
if (p->devep == 1) {
|
|
unsigned int status;
|
|
int i, n;
|
|
n = (hub.n_ports + 1 + 7) / 8;
|
|
if (p->len == 1) { /* FreeBSD workaround */
|
|
n = 1;
|
|
} else if (n > p->len) {
|
|
return USB_RET_BABBLE;
|
|
}
|
|
status = 0;
|
|
for(i = 0; i < hub.n_ports; i++) {
|
|
if (hub.usb_port[i].PortChange)
|
|
status |= (1 << (i + 1));
|
|
}
|
|
if (status != 0) {
|
|
for(i = 0; i < n; i++) {
|
|
p->data[i] = status >> (8 * i);
|
|
}
|
|
ret = n;
|
|
} else {
|
|
ret = USB_RET_NAK; /* usb11 11.13.1 */
|
|
}
|
|
} else {
|
|
goto fail;
|
|
}
|
|
break;
|
|
case USB_TOKEN_OUT:
|
|
default:
|
|
fail:
|
|
d.stall = 1;
|
|
ret = USB_RET_STALL;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int usb_hub_device_c::broadcast_packet(USBPacket *p)
|
|
{
|
|
int i, ret;
|
|
usb_device_c *dev;
|
|
|
|
for(i = 0; i < hub.n_ports; i++) {
|
|
dev = hub.usb_port[i].device;
|
|
if ((dev != NULL) && (hub.usb_port[i].PortStatus & PORT_STAT_ENABLE)) {
|
|
ret = dev->handle_packet(p);
|
|
if (ret != USB_RET_NODEV) {
|
|
return ret;
|
|
}
|
|
}
|
|
}
|
|
return USB_RET_NODEV;
|
|
}
|
|
|
|
int usb_hub_device_c::handle_packet(USBPacket *p)
|
|
{
|
|
if ((d.state >= USB_STATE_DEFAULT) &&
|
|
(d.addr != 0) &&
|
|
(p->devaddr != d.addr) &&
|
|
((p->pid == USB_TOKEN_SETUP) ||
|
|
(p->pid == USB_TOKEN_OUT) ||
|
|
(p->pid == USB_TOKEN_IN))) {
|
|
/* broadcast the packet to the devices */
|
|
return broadcast_packet(p);
|
|
}
|
|
return usb_device_c::handle_packet(p);
|
|
}
|
|
|
|
void usb_hub_device_c::init_device(Bit8u port, bx_list_c *portconf)
|
|
{
|
|
usbdev_type type;
|
|
char pname[BX_PATHNAME_LEN];
|
|
const char *devname = NULL;
|
|
|
|
devname = ((bx_param_string_c*)portconf->get_by_name("device"))->getptr();
|
|
if (devname == NULL) return;
|
|
if (!strlen(devname) || !strcmp(devname, "none")) return;
|
|
|
|
if (hub.usb_port[port].device != NULL) {
|
|
BX_ERROR(("init_device(): port%d already in use", port+1));
|
|
return;
|
|
}
|
|
sprintf(pname, "port%d.device", port+1);
|
|
bx_list_c *sr_list = (bx_list_c*)SIM->get_param(pname, hub.state);
|
|
type = DEV_usb_init_device(portconf, this, &hub.usb_port[port].device, sr_list);
|
|
if (hub.usb_port[port].device != NULL) {
|
|
usb_set_connect_status(port, type, 1);
|
|
}
|
|
}
|
|
|
|
void usb_hub_device_c::remove_device(Bit8u port)
|
|
{
|
|
char pname[BX_PATHNAME_LEN];
|
|
|
|
if (hub.usb_port[port].device != NULL) {
|
|
sprintf(pname, "port%d.device", port+1);
|
|
bx_list_c *devlist = (bx_list_c*)SIM->get_param(pname, hub.state);
|
|
devlist->clear();
|
|
delete hub.usb_port[port].device;
|
|
hub.usb_port[port].device = NULL;
|
|
}
|
|
}
|
|
|
|
void usb_hub_device_c::usb_set_connect_status(Bit8u port, int type, bx_bool connected)
|
|
{
|
|
usb_device_c *device = hub.usb_port[port].device;
|
|
if (device != NULL) {
|
|
if (device->get_type() == type) {
|
|
if (connected) {
|
|
hub.usb_port[port].PortStatus |= PORT_STAT_CONNECTION;
|
|
hub.usb_port[port].PortChange |= PORT_STAT_C_CONNECTION;
|
|
if (device->get_speed() == USB_SPEED_LOW)
|
|
hub.usb_port[port].PortStatus |= PORT_STAT_LOW_SPEED;
|
|
else
|
|
hub.usb_port[port].PortStatus &= ~PORT_STAT_LOW_SPEED;
|
|
if (!device->get_connected()) {
|
|
if (!device->init()) {
|
|
usb_set_connect_status(port, type, 0);
|
|
BX_ERROR(("port #%d: connect failed", port+1));
|
|
} else {
|
|
BX_INFO(("port #%d: connect: %s", port+1, device->get_info()));
|
|
}
|
|
}
|
|
} else {
|
|
hub.usb_port[port].PortStatus &= ~PORT_STAT_CONNECTION;
|
|
hub.usb_port[port].PortChange |= PORT_STAT_C_CONNECTION;
|
|
if (hub.usb_port[port].PortStatus & PORT_STAT_ENABLE) {
|
|
hub.usb_port[port].PortStatus &= ~PORT_STAT_ENABLE;
|
|
hub.usb_port[port].PortChange |= PORT_STAT_C_ENABLE;
|
|
}
|
|
remove_device(port);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void usb_hub_device_c::runtime_config()
|
|
{
|
|
int i, hubnum;
|
|
char pname[6];
|
|
|
|
for (i = 0; i < hub.n_ports; i++) {
|
|
// device change support
|
|
if ((hub.device_change & (1 << i)) != 0) {
|
|
hubnum = atoi(hub.config->get_name()+6);
|
|
BX_INFO(("USB hub #%d, port #%d: device connect", hubnum, i+1));
|
|
sprintf(pname, "port%d", i + 1);
|
|
init_device(i, (bx_list_c*)SIM->get_param(pname, hub.config));
|
|
hub.device_change &= ~(1 << i);
|
|
}
|
|
// forward to connected device
|
|
if (hub.usb_port[i].device != NULL) {
|
|
hub.usb_port[i].device->runtime_config();
|
|
}
|
|
}
|
|
}
|
|
|
|
#undef LOG_THIS
|
|
#define LOG_THIS hub->
|
|
|
|
// USB hub runtime parameter handler
|
|
const char *usb_hub_device_c::hub_param_handler(bx_param_string_c *param, int set,
|
|
const char *oldval, const char *val, int maxlen)
|
|
{
|
|
usbdev_type type = USB_DEV_TYPE_NONE;
|
|
int hubnum, portnum;
|
|
usb_hub_device_c *hub;
|
|
bx_list_c *port;
|
|
|
|
if (set) {
|
|
port = (bx_list_c*)param->get_parent();
|
|
hub = (usb_hub_device_c*)(port->get_parent()->get_device_param());
|
|
if (hub != NULL) {
|
|
hubnum = atoi(port->get_parent()->get_name()+6);
|
|
portnum = atoi(port->get_name()+4) - 1;
|
|
bx_bool empty = ((strlen(val) == 0) || (!strcmp(val, "none")));
|
|
if ((portnum >= 0) && (portnum < hub->hub.n_ports)) {
|
|
if (empty && (hub->hub.usb_port[portnum].PortStatus & PORT_STAT_CONNECTION)) {
|
|
BX_INFO(("USB hub #%d, port #%d: device disconnect", hubnum, portnum+1));
|
|
if (hub->hub.usb_port[portnum].device != NULL) {
|
|
type = hub->hub.usb_port[portnum].device->get_type();
|
|
}
|
|
hub->usb_set_connect_status(portnum, type, 0);
|
|
} else if (!empty && !(hub->hub.usb_port[portnum].PortStatus & PORT_STAT_CONNECTION)) {
|
|
hub->hub.device_change |= (1 << portnum);
|
|
}
|
|
} else {
|
|
BX_PANIC(("usb_param_handler called with unexpected parameter '%s'", param->get_name()));
|
|
}
|
|
} else {
|
|
BX_PANIC(("hub_param_handler: external hub not found"));
|
|
}
|
|
}
|
|
return val;
|
|
}
|
|
|
|
void usb_hub_restore_handler(void *dev, bx_list_c *conf)
|
|
{
|
|
((usb_hub_device_c*)dev)->restore_handler(conf);
|
|
}
|
|
|
|
void usb_hub_device_c::restore_handler(bx_list_c *conf)
|
|
{
|
|
int i;
|
|
const char *pname = conf->get_name();
|
|
|
|
i = atoi(&pname[4]) - 1;
|
|
init_device(i, (bx_list_c*)SIM->get_param(pname, hub.config));
|
|
}
|
|
|
|
#endif // BX_SUPPORT_PCI && BX_SUPPORT_PCIUSB
|