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[Qemu-devel] [PATCH 12/13] usb-host-libusb: Add alloc / free streams ops
From: |
Hans de Goede |
Subject: |
[Qemu-devel] [PATCH 12/13] usb-host-libusb: Add alloc / free streams ops |
Date: |
Tue, 8 Oct 2013 21:58:17 +0200 |
Signed-off-by: Hans de Goede <address@hidden>
---
hw/usb/host-libusb.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c
index 0dd60b2..894875b 100644
--- a/hw/usb/host-libusb.c
+++ b/hw/usb/host-libusb.c
@@ -1280,6 +1280,54 @@ static void usb_host_handle_reset(USBDevice *udev)
}
}
+static int usb_host_alloc_streams(USBDevice *udev, USBEndpoint **eps,
+ int nr_eps, int streams)
+{
+#if LIBUSBX_API_VERSION >= 0x01000103
+ USBHostDevice *s = USB_HOST_DEVICE(udev);
+ unsigned char endpoints[30];
+ int i, rc;
+
+ for (i = 0; i < nr_eps; i++) {
+ endpoints[i] = eps[i]->nr;
+ if (eps[i]->pid == USB_TOKEN_IN) {
+ endpoints[i] |= 0x80;
+ }
+ }
+ rc = libusb_alloc_streams(s->dh, streams, endpoints, nr_eps);
+ if (rc < 0) {
+ usb_host_libusb_error("libusb_alloc_streams", rc);
+ } else if (rc != streams) {
+ fprintf(stderr,
+ "libusb_alloc_streams: got less streams then requested %d < %d\n",
+ rc, streams);
+ }
+
+ return (rc == streams) ? 0 : -1;
+#else
+ fprintf(stderr, "libusb_alloc_streams: error not implemented\n");
+ return -1;
+#endif
+}
+
+static void usb_host_free_streams(USBDevice *udev, USBEndpoint **eps,
+ int nr_eps)
+{
+#if LIBUSBX_API_VERSION >= 0x01000103
+ USBHostDevice *s = USB_HOST_DEVICE(udev);
+ unsigned char endpoints[30];
+ int i;
+
+ for (i = 0; i < nr_eps; i++) {
+ endpoints[i] = eps[i]->nr;
+ if (eps[i]->pid == USB_TOKEN_IN) {
+ endpoints[i] |= 0x80;
+ }
+ }
+ libusb_free_streams(s->dh, endpoints, nr_eps);
+#endif
+}
+
/*
* This is *NOT* about restoring state. We have absolutely no idea
* what state the host device is in at the moment and whenever it is
@@ -1361,6 +1409,8 @@ static void usb_host_class_initfn(ObjectClass *klass,
void *data)
uc->handle_reset = usb_host_handle_reset;
uc->handle_destroy = usb_host_handle_destroy;
uc->flush_ep_queue = usb_host_flush_ep_queue;
+ uc->alloc_streams = usb_host_alloc_streams;
+ uc->free_streams = usb_host_free_streams;
dc->vmsd = &vmstate_usb_host;
dc->props = usb_host_dev_properties;
set_bit(DEVICE_CATEGORY_BRIDGE, dc->categories);
--
1.8.3.1
- Re: [Qemu-devel] [PATCH 03/13] usb-host-libusb: Detach kernel drivers earlier, (continued)
[Qemu-devel] [PATCH 04/13] usb-hcd-xhci: Remove unused sstreamsm member from XHCIStreamContext, Hans de Goede, 2013/10/08
[Qemu-devel] [PATCH 05/13] usb-hcd-xhci: Remove unused cancelled member from XHCITransfer, Hans de Goede, 2013/10/08
[Qemu-devel] [PATCH 06/13] usb-hcd-xhci: Report completion of active transfer with CC_STOPPED on ep stop, Hans de Goede, 2013/10/08
[Qemu-devel] [PATCH 07/13] usb-hcd-xhci: Update endpoint context dequeue pointer for streams too, Hans de Goede, 2013/10/08
[Qemu-devel] [PATCH 08/13] usb: Add max_streams attribute to endpoint info, Hans de Goede, 2013/10/08
[Qemu-devel] [PATCH 09/13] usb: Add usb_device_alloc/free_streams, Hans de Goede, 2013/10/08
[Qemu-devel] [PATCH 10/13] xhci: Call usb_device_alloc/free_streams, Hans de Goede, 2013/10/08
[Qemu-devel] [PATCH 11/13] usb-host-libusb: Fill in endpoint max_streams when available, Hans de Goede, 2013/10/08
[Qemu-devel] [PATCH 12/13] usb-host-libusb: Add alloc / free streams ops,
Hans de Goede <=
[Qemu-devel] [PATCH 13/13] usb-host-libusb: Set stream id when submitting bulk-stream transfers, Hans de Goede, 2013/10/08