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Tsirkin" , Marcel Apfelbaum , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , Thomas Huth , qemu-arm@nongnu.org, Guenter Roeck Subject: [PATCH 09/10] usb-hub: Add support for v2.0 hubs Date: Tue, 12 Nov 2024 08:56:18 -0800 Message-ID: <20241112165618.217454-10-linux@roeck-us.net> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241112165618.217454-1-linux@roeck-us.net> References: <20241112165618.217454-1-linux@roeck-us.net> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42f; envelope-from=groeck7@gmail.com; helo=mail-pf1-x42f.google.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FORGED_FROMDOMAIN=0.001, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1731430759346116600 Content-Type: text/plain; charset="utf-8" When adding a high speed USB device to the USB hub supported by qemu, it is added in full speed mode. Here is an example for a storage device. /: Bus 001.Port 001: Dev 001, Class=3Droot_hub, Driver=3Dplatform-uhci/2p,= 12M |__ Port 002: Dev 002, If 0, Class=3DHub, Driver=3Dhub/8p, 12M |__ Port 001: Dev 003, If 0, Class=3DHuman Interface Device, Driver= =3Dusbhid, 12M |__ Port 002: Dev 004, If 0, Class=3DHuman Interface Device, Driver= =3Dusbhid, 12M |__ Port 003: Dev 005, If 0, Class=3DMass Storage, Driver=3Dusb-sto= rage, 12M This also triggers messages such as usb 1-2.3: new full-speed USB device number 5 using platform-uhci usb 1-2.3: not running at top speed; connect to a high speed hub when such devices are instantiated in the host (example from Linux). Add basic support for USB v2.0 hubs to solve the problem. The usb_version device parameter configures the USB version; version 1 is default for compatibility reasons. Example: -device usb-hub,bus=3Dusb-bus.1,port=3D1,usb_version=3D2 This command line parameter can be used to attach devices to the hub in high speed mode, as seen in the following example. /: Bus 002.Port 001: Dev 001, Class=3Droot_hub, Driver=3Dehci-platform/6p,= 480M |__ Port 001: Dev 002, If 0, Class=3DHub, Driver=3Dhub/8p, 480M |__ Port 002: Dev 004, If 0, Class=3DMass Storage, Driver=3Dusb-sto= rage, 480M and usb 2-1.2: new high-speed USB device number 4 using ehci-platform usb 2-1.2: New USB device found, idVendor=3D46f4, idProduct=3D0001, bcdDevi= ce=3D 0.00 To distinguish v1 from v2 instantiated hubs, the device version is set to 2.01 (from 1.01) if the hub ist instantiated as USB v2 hub. The product name is set to "QEMU USB v2.0 Hub". Signed-off-by: Guenter Roeck --- Changes since RFC: - New patch hw/usb/dev-hub.c | 84 +++++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 76 insertions(+), 8 deletions(-) diff --git a/hw/usb/dev-hub.c b/hw/usb/dev-hub.c index 06e9537d03..4da91d151c 100644 --- a/hw/usb/dev-hub.c +++ b/hw/usb/dev-hub.c @@ -46,6 +46,7 @@ struct USBHubState { USBDevice dev; USBEndpoint *intr; uint32_t num_ports; + uint32_t usb_version; bool port_power; QEMUTimer *port_timer; USBHubPort ports[MAX_PORTS]; @@ -100,12 +101,14 @@ OBJECT_DECLARE_SIMPLE_TYPE(USBHubState, USB_HUB) enum { STR_MANUFACTURER =3D 1, STR_PRODUCT, + STR_PRODUCT_V2, STR_SERIALNUMBER, }; =20 static const USBDescStrings desc_strings =3D { [STR_MANUFACTURER] =3D "QEMU", [STR_PRODUCT] =3D "QEMU USB Hub", + [STR_PRODUCT_V2] =3D "QEMU USB v2.0 Hub", [STR_SERIALNUMBER] =3D "314159", }; =20 @@ -123,6 +126,20 @@ static const USBDescIface desc_iface_hub =3D { } }; =20 +static const USBDescIface desc_iface_hub_v2 =3D { + .bInterfaceNumber =3D 0, + .bNumEndpoints =3D 1, + .bInterfaceClass =3D USB_CLASS_HUB, + .eps =3D (USBDescEndpoint[]) { + { + .bEndpointAddress =3D USB_DIR_IN | 0x01, + .bmAttributes =3D USB_ENDPOINT_XFER_INT, + .wMaxPacketSize =3D 512, + .bInterval =3D 10, + }, + } +}; + static const USBDescDevice desc_device_hub =3D { .bcdUSB =3D 0x0110, .bDeviceClass =3D USB_CLASS_HUB, @@ -140,6 +157,23 @@ static const USBDescDevice desc_device_hub =3D { }, }; =20 +static const USBDescDevice desc_device_hub_v2 =3D { + .bcdUSB =3D 0x0200, + .bDeviceClass =3D USB_CLASS_HUB, + .bMaxPacketSize0 =3D 64, + .bNumConfigurations =3D 1, + .confs =3D (USBDescConfig[]) { + { + .bNumInterfaces =3D 1, + .bConfigurationValue =3D 1, + .bmAttributes =3D USB_CFG_ATT_ONE | USB_CFG_ATT_SELFP= OWER | + USB_CFG_ATT_WAKEUP, + .nif =3D 1, + .ifs =3D &desc_iface_hub_v2, + }, + }, +}; + static const USBDesc desc_hub =3D { .id =3D { .idVendor =3D 0x0409, @@ -153,6 +187,20 @@ static const USBDesc desc_hub =3D { .str =3D desc_strings, }; =20 +static const USBDesc desc_hub_v2 =3D { + .id =3D { + .idVendor =3D 0x0409, + .idProduct =3D 0x55aa, + .bcdDevice =3D 0x0201, + .iManufacturer =3D STR_MANUFACTURER, + .iProduct =3D STR_PRODUCT_V2, + .iSerialNumber =3D STR_SERIALNUMBER, + }, + .full =3D &desc_device_hub, + .high =3D &desc_device_hub_v2, + .str =3D desc_strings, +}; + static const uint8_t qemu_hub_hub_descriptor[] =3D { 0x00, /* u8 bLength; patched in later */ @@ -195,15 +243,20 @@ static bool usb_hub_port_clear(USBHubPort *port, uint= 16_t status) return usb_hub_port_change(port, status); } =20 -static bool usb_hub_port_update(USBHubPort *port) +static bool usb_hub_port_update(USBHubState *s, USBHubPort *port) { bool notify =3D false; =20 if (port->port.dev && port->port.dev->attached) { notify =3D usb_hub_port_set(port, PORT_STAT_CONNECTION); - if (port->port.dev->speed =3D=3D USB_SPEED_LOW) { + if (s->usb_version =3D=3D 2 && port->port.dev->speed =3D=3D USB_SP= EED_HIGH) { + usb_hub_port_clear(port, PORT_STAT_LOW_SPEED); + usb_hub_port_set(port, PORT_STAT_HIGH_SPEED); + } else if (port->port.dev->speed =3D=3D USB_SPEED_LOW) { + usb_hub_port_clear(port, PORT_STAT_HIGH_SPEED); usb_hub_port_set(port, PORT_STAT_LOW_SPEED); } else { + usb_hub_port_clear(port, PORT_STAT_HIGH_SPEED); usb_hub_port_clear(port, PORT_STAT_LOW_SPEED); } } @@ -217,7 +270,7 @@ static void usb_hub_port_update_timer(void *opaque) int i; =20 for (i =3D 0; i < s->num_ports; i++) { - notify |=3D usb_hub_port_update(&s->ports[i]); + notify |=3D usb_hub_port_update(s, &s->ports[i]); } if (notify) { usb_wakeup(s->intr, 0); @@ -230,7 +283,7 @@ static void usb_hub_attach(USBPort *port1) USBHubPort *port =3D &s->ports[port1->index]; =20 trace_usb_hub_attach(s->dev.addr, port1->index + 1); - usb_hub_port_update(port); + usb_hub_port_update(s, port); usb_wakeup(s->intr, 0); } =20 @@ -318,7 +371,7 @@ static void usb_hub_handle_reset(USBDevice *dev) port->wPortStatus =3D 0; port->wPortChange =3D 0; usb_hub_port_set(port, PORT_STAT_POWER); - usb_hub_port_update(port); + usb_hub_port_update(s, port); } } =20 @@ -593,6 +646,19 @@ static void usb_hub_realize(USBDevice *dev, Error **er= rp) USBHubPort *port; int i; =20 + switch (s->usb_version) { + case 1: + dev->usb_desc =3D &desc_hub; + break; + case 2: + dev->usb_desc =3D &desc_hub_v2; + break; + default: + error_setg(errp, "Unsupported usb version %d for usb hub", + s->usb_version); + return; + } + if (s->num_ports < 1 || s->num_ports > MAX_PORTS) { error_setg(errp, "num_ports (%d) out of range (1..%d)", s->num_ports, MAX_PORTS); @@ -613,7 +679,8 @@ static void usb_hub_realize(USBDevice *dev, Error **err= p) port =3D &s->ports[i]; usb_register_port(usb_bus_from_device(dev), &port->port, s, i, &usb_hub_port_ops, - USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL); + USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL | + ((s->usb_version =3D=3D 2) ? USB_SPEED_MASK_HIGH= : 0)); usb_port_location(&port->port, dev->port, i+1); } usb_hub_handle_reset(dev); @@ -650,7 +717,7 @@ static const VMStateDescription vmstate_usb_hub_port_ti= mer =3D { =20 static const VMStateDescription vmstate_usb_hub =3D { .name =3D "usb-hub", - .version_id =3D 1, + .version_id =3D 2, .minimum_version_id =3D 1, .fields =3D (const VMStateField[]) { VMSTATE_USB_DEVICE(dev, USBHubState), @@ -667,6 +734,7 @@ static const VMStateDescription vmstate_usb_hub =3D { static Property usb_hub_properties[] =3D { DEFINE_PROP_UINT32("ports", USBHubState, num_ports, 8), DEFINE_PROP_BOOL("port-power", USBHubState, port_power, false), + DEFINE_PROP_UINT32("usb_version", USBHubState, usb_version, 1), DEFINE_PROP_END_OF_LIST(), }; =20 @@ -677,12 +745,12 @@ static void usb_hub_class_initfn(ObjectClass *klass, = void *data) =20 uc->realize =3D usb_hub_realize; uc->product_desc =3D "QEMU USB Hub"; - uc->usb_desc =3D &desc_hub; uc->find_device =3D usb_hub_find_device; uc->handle_reset =3D usb_hub_handle_reset; uc->handle_control =3D usb_hub_handle_control; uc->handle_data =3D usb_hub_handle_data; uc->unrealize =3D usb_hub_unrealize; + uc->handle_attach =3D usb_desc_attach; set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories); dc->fw_name =3D "hub"; dc->vmsd =3D &vmstate_usb_hub; --=20 2.45.2