Introduce an usb device flag instead, set it when usb-host looks at the
device descriptors anyway. Also set it for emulated storage devices,
for consistency. Add an inline helper function to check the flag.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
Acked-by: David Gibson <da...@gibson.dropbear.id.au>
---
include/hw/usb.h | 7 ++++++-
hw/ppc/spapr.c | 2 +-
hw/usb/dev-storage-bot.c | 1 +
hw/usb/dev-storage-classic.c | 1 +
hw/usb/dev-uas.c | 1 +
hw/usb/host-libusb.c | 36 +++++++-----------------------------
hw/usb/host-stub.c | 5 -----
7 files changed, 17 insertions(+), 36 deletions(-)
diff --git a/include/hw/usb.h b/include/hw/usb.h
index 436e07b30404..33668dd0a99a 100644
--- a/include/hw/usb.h
+++ b/include/hw/usb.h
@@ -219,6 +219,7 @@ enum USBDeviceFlags {
USB_DEV_FLAG_IS_HOST,
USB_DEV_FLAG_MSOS_DESC_ENABLE,
USB_DEV_FLAG_MSOS_DESC_IN_USE,
+ USB_DEV_FLAG_IS_SCSI_STORAGE,
};
/* definition of a USB device */
@@ -465,7 +466,6 @@ void usb_generic_async_ctrl_complete(USBDevice *s,
USBPacket *p);
/* usb-linux.c */
void hmp_info_usbhost(Monitor *mon, const QDict *qdict);
-bool usb_host_dev_is_scsi_storage(USBDevice *usbdev);
/* usb ports of the VM */
@@ -561,6 +561,11 @@ const char *usb_device_get_product_desc(USBDevice *dev);
const USBDesc *usb_device_get_usb_desc(USBDevice *dev);
+static inline bool usb_device_is_scsi_storage(USBDevice *dev)
+{
+ return dev->flags & (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
+}
+
/* quirks.c */
/* In bulk endpoints are streaming data sources (iow behave like isoc eps) */
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 4dd90b75cc52..f83a081af0f1 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -3106,7 +3106,7 @@ static char *spapr_get_fw_dev_path(FWPathProvider *p,
BusState *bus,
*/
if (strcmp("usb-host", qdev_fw_name(dev)) == 0) {
USBDevice *usbdev = CAST(USBDevice, dev, TYPE_USB_DEVICE);
- if (usb_host_dev_is_scsi_storage(usbdev)) {
+ if (usb_device_is_scsi_storage(usbdev)) {
return g_strdup_printf("storage@%s/disk", usbdev->port->path);
}
}
diff --git a/hw/usb/dev-storage-bot.c b/hw/usb/dev-storage-bot.c
index 6aad026d1133..68ebaca10c66 100644
--- a/hw/usb/dev-storage-bot.c
+++ b/hw/usb/dev-storage-bot.c
@@ -32,6 +32,7 @@ static void usb_msd_bot_realize(USBDevice *dev, Error **errp)
usb_desc_create_serial(dev);
usb_desc_init(dev);
+ dev->flags |= (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
if (d->hotplugged) {
s->dev.auto_attach = 0;
}
diff --git a/hw/usb/dev-storage-classic.c b/hw/usb/dev-storage-classic.c
index 00cb34b22f02..3d017a4e6791 100644
--- a/hw/usb/dev-storage-classic.c
+++ b/hw/usb/dev-storage-classic.c
@@ -64,6 +64,7 @@ static void usb_msd_storage_realize(USBDevice *dev, Error
**errp)
usb_desc_create_serial(dev);
usb_desc_init(dev);
+ dev->flags |= (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
&usb_msd_scsi_info_storage, NULL);
scsi_dev = scsi_bus_legacy_add_drive(&s->bus, blk, 0, !!s->removable,
diff --git a/hw/usb/dev-uas.c b/hw/usb/dev-uas.c
index d2bd85d3f6bb..263056231c79 100644
--- a/hw/usb/dev-uas.c
+++ b/hw/usb/dev-uas.c
@@ -926,6 +926,7 @@ static void usb_uas_realize(USBDevice *dev, Error **errp)
QTAILQ_INIT(&uas->requests);
uas->status_bh = qemu_bh_new(usb_uas_send_status_bh, uas);
+ dev->flags |= (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
scsi_bus_new(&uas->bus, sizeof(uas->bus), DEVICE(dev),
&usb_uas_scsi_info, NULL);
}
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index 2518306f527f..e6d21aa8e1d3 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -770,6 +770,13 @@ static void usb_host_speed_compat(USBHostDevice *s)
for (i = 0; i < conf->bNumInterfaces; i++) {
for (a = 0; a < conf->interface[i].num_altsetting; a++) {
intf = &conf->interface[i].altsetting[a];
+
+ if (intf->bInterfaceClass == LIBUSB_CLASS_MASS_STORAGE &&
+ intf->bInterfaceSubClass == 6) { /* SCSI */
+ udev->flags |= (1 << USB_DEV_FLAG_IS_SCSI_STORAGE);
+ break;
+ }
+
for (e = 0; e < intf->bNumEndpoints; e++) {
endp = &intf->endpoint[e];
type = endp->bmAttributes & 0x3;
@@ -1893,35 +1900,6 @@ static void usb_host_auto_check(void *unused)
timer_mod(usb_auto_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 2000);
}
-/**
- * Check whether USB host device has a USB mass storage SCSI interface
- */
-bool usb_host_dev_is_scsi_storage(USBDevice *ud)
-{
- USBHostDevice *uhd = USB_HOST_DEVICE(ud);
- struct libusb_config_descriptor *conf;
- const struct libusb_interface_descriptor *intf;
- bool is_scsi_storage = false;
- int i;
-
- if (!uhd || libusb_get_active_config_descriptor(uhd->dev, &conf) != 0) {
- return false;
- }
-
- for (i = 0; i < conf->bNumInterfaces; i++) {
- intf = &conf->interface[i].altsetting[ud->altsetting[i]];
- if (intf->bInterfaceClass == LIBUSB_CLASS_MASS_STORAGE &&
- intf->bInterfaceSubClass == 6) { /* 6 means SCSI */
- is_scsi_storage = true;
- break;
- }
- }
-
- libusb_free_config_descriptor(conf);
-
- return is_scsi_storage;
-}
-
void hmp_info_usbhost(Monitor *mon, const QDict *qdict)
{
libusb_device **devs = NULL;
diff --git a/hw/usb/host-stub.c b/hw/usb/host-stub.c
index 80809ceba542..bbe69baa390f 100644
--- a/hw/usb/host-stub.c
+++ b/hw/usb/host-stub.c
@@ -38,8 +38,3 @@ void hmp_info_usbhost(Monitor *mon, const QDict *qdict)
{
monitor_printf(mon, "USB host devices not supported\n");
}
-
-bool usb_host_dev_is_scsi_storage(USBDevice *ud)
-{
- return false;
-}
--
2.31.1
