From: Stefan Hajnoczi <stefanha@gmail.com>
To: John Snow <jsnow@redhat.com>
Cc: kwolf@redhat.com, pbonzini@redhat.com, stefanha@redhat.com,
qemu-devel@nongnu.org, qemu-block@nongnu.org
Subject: Re: [Qemu-devel] [Qemu-block] [PATCH v2 5/6] ide: Add silent DRQ cancellation
Date: Mon, 8 Feb 2016 16:09:32 +0000 [thread overview]
Message-ID: <20160208160932.GE31586@stefanha-x1.localdomain> (raw)
In-Reply-To: <1453225191-11871-6-git-send-email-jsnow@redhat.com>
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On Tue, Jan 19, 2016 at 12:39:50PM -0500, John Snow wrote:
> Split apart the ide_transfer_stop function into two versions: one that
> interrupts and one that doesn't. The one that doesn't can be used to
> halt any PIO transfers that are in the DRQ phase. It will not halt
> any PIO transfers that are currently in the process of buffering data
> for the guest to read.
>
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
> hw/ide/core.c | 19 ++++++++++++++++---
> 1 file changed, 16 insertions(+), 3 deletions(-)
>
> diff --git a/hw/ide/core.c b/hw/ide/core.c
> index cf0b5ec..9bc8e58 100644
> --- a/hw/ide/core.c
> +++ b/hw/ide/core.c
> @@ -486,13 +486,26 @@ static void ide_cmd_done(IDEState *s)
> }
> }
>
> -void ide_transfer_stop(IDEState *s)
> +static void ide_transfer_halt(IDEState *s, void(*etf)(IDEState *), bool notify)
> {
> - s->end_transfer_func = ide_transfer_stop;
> + s->end_transfer_func = etf;
Please keep using full names so the code is easier to understand:
s/etc/end_transfer_func/
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next prev parent reply other threads:[~2016-02-08 16:09 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-19 17:39 [Qemu-devel] [PATCH v2 0/6] ide: fix atapi software reset John Snow
2016-01-19 17:39 ` [Qemu-devel] [PATCH v2 1/6] ide: Prohibit RESET on IDE drives John Snow
2016-01-19 17:39 ` [Qemu-devel] [PATCH v2 2/6] ide: code motion John Snow
2016-01-19 17:39 ` [Qemu-devel] [PATCH v2 3/6] ide: move buffered DMA cancel to core John Snow
2016-01-19 17:39 ` [Qemu-devel] [PATCH v2 4/6] ide: replace blk_drain_all by blk_drain John Snow
2016-01-19 17:39 ` [Qemu-devel] [PATCH v2 5/6] ide: Add silent DRQ cancellation John Snow
2016-02-08 16:09 ` Stefan Hajnoczi [this message]
2016-02-08 17:08 ` [Qemu-devel] [Qemu-block] " John Snow
2016-02-09 13:21 ` Stefan Hajnoczi
2016-01-19 17:39 ` [Qemu-devel] [PATCH v2 6/6] ide: fix device_reset to not ignore pending AIO John Snow
2016-01-26 20:39 ` [Qemu-devel] [PATCH v2 0/6] ide: fix atapi software reset John Snow
2016-02-08 16:10 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
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