qemu-devel.nongnu.org archive mirror
 help / color / mirror / Atom feed
From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: Nicholas Piggin <npiggin@gmail.com>, Gerd Hoffmann <kraxel@redhat.com>
Cc: qemu-devel@nongnu.org, Kevin Wolf <kwolf@redhat.com>
Subject: Re: [PATCH v2 08/10] usb/msd: Rename mode to cbw_state, and tweak names
Date: Fri, 11 Apr 2025 12:28:29 +0200	[thread overview]
Message-ID: <ef79789a-c16b-4bf9-8acb-9fdb72711019@linaro.org> (raw)
In-Reply-To: <20250411080431.207579-9-npiggin@gmail.com>

On 11/4/25 10:04, Nicholas Piggin wrote:
> This reflects a little better what it does, particularly with a
> subsequent change to relax the order packets are seen in. This
> field is not the general state of the MSD state machine, rather
> it follows packets that are completed as part of a CBW command.
> 
> The difference is a bit subtle, so for a concrete example, the
> next change will permit the host to send a CSW packet before it
> sends the associated CBW packet. In that case the CSW packet
> will be tracked and the MSD state machine will move, but this
> mode / cbw_state field would remain unchanged (in the "expecting
> CBW" state), until the CBW packet arrives.
> 
> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
> ---
>   include/hw/usb/msd.h | 12 +++++------
>   hw/usb/dev-storage.c | 50 +++++++++++++++++++++++---------------------
>   2 files changed, 32 insertions(+), 30 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>



  reply	other threads:[~2025-04-11 10:29 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-11  8:04 [PATCH v2 00/10] usb/msd: Permit relaxed ordering of IN packets Nicholas Piggin
2025-04-11  8:04 ` [PATCH v2 01/10] usb/msd: Split in and out packet handling Nicholas Piggin
2025-04-11  8:04 ` [PATCH v2 02/10] usb/msd: Ensure packet structure layout is correct Nicholas Piggin
2025-04-11 10:18   ` Philippe Mathieu-Daudé
2025-04-11 10:21   ` Philippe Mathieu-Daudé
2025-04-11 10:23     ` Philippe Mathieu-Daudé
2025-04-12  5:32     ` Nicholas Piggin
2025-04-11  8:04 ` [PATCH v2 03/10] usb/msd: Improved handling of mass storage reset Nicholas Piggin
2025-04-11 10:19   ` Philippe Mathieu-Daudé
2025-04-11  8:04 ` [PATCH v2 04/10] usb/msd: Improve packet validation error logging Nicholas Piggin
2025-04-11  8:04 ` [PATCH v2 05/10] usb/msd: Allow CBW packet size greater than 31 Nicholas Piggin
2025-04-11  8:04 ` [PATCH v2 06/10] usb/msd: Split async packet tracking into data and csw Nicholas Piggin
2025-04-11  8:04 ` [PATCH v2 07/10] usb/msd: Add some additional assertions Nicholas Piggin
2025-04-11 10:27   ` Philippe Mathieu-Daudé
2025-04-11  8:04 ` [PATCH v2 08/10] usb/msd: Rename mode to cbw_state, and tweak names Nicholas Piggin
2025-04-11 10:28   ` Philippe Mathieu-Daudé [this message]
2025-04-11 10:37   ` Philippe Mathieu-Daudé
2025-04-12  5:33     ` Nicholas Piggin
2025-04-11  8:04 ` [PATCH v2 09/10] usb/msd: Permit a DATA-IN or CSW packet before CBW packet Nicholas Piggin
2025-04-11  8:04 ` [PATCH v2 10/10] usb/msd: Add more tracing Nicholas Piggin
2025-04-11 10:36   ` Philippe Mathieu-Daudé
2025-04-12  5:33     ` Nicholas Piggin

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=ef79789a-c16b-4bf9-8acb-9fdb72711019@linaro.org \
    --to=philmd@linaro.org \
    --cc=kraxel@redhat.com \
    --cc=kwolf@redhat.com \
    --cc=npiggin@gmail.com \
    --cc=qemu-devel@nongnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).