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Re: [PATCH v8 15/18] hw/usb/redirect-server: Implement bulk and interrupt transfers
- To: Jamin Lin <jamin_lin@xxxxxxxxxxxxxx>
- From: marcandre.lureau@xxxxxxxxxx
- Date: Mon, 02 Nov 2026 18:07:30 +0400
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- Delivery-date: Mon, 02 Nov 2026 14:12:35 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On Mon, 02 Nov 2026 09:22:24 +0000, Jamin Lin <jamin_lin@xxxxxxxxxxxxxx> wrote:
> Send bulk and interrupt packets to the device and return the result to
> the host. Each one is a request and an answer, so they reuse the packet
> tracking and the NAK handling added for control transfers.
>
> A bulk request carries a 32 bit length, so the host can ask us to
> allocate up to 4 GB. Refuse a request that big. Do not answer it with
> fewer bytes instead: the host counts the bytes it gets back, and it
> resets the device when some are missing.
>
> [...]
Reviewed-by: Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
--
Marc-André Lureau <marcandre.lureau@xxxxxxxxxx>
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