[SeaBIOS] Re: [PATCH v4 3/3] virtio-blk.: split large IO according to size_max

2021-12-07 Thread Pei, Andy 
Hi Gerd,

Thanks for your effort.

-Original Message-
From: Gerd Hoffmann  
Sent: Tuesday, December 7, 2021 4:28 PM
To: Pei, Andy 
Cc: seabios@seabios.org; ke...@koconnor.net; Ding Limin 

Subject: Re: [PATCH v4 3/3] virtio-blk.: split large IO according to size_max

On Tue, Dec 07, 2021 at 09:31:08AM +0800, Andy Pei wrote:
> if driver reads data larger than VIRTIO_BLK_F_SIZE_MAX, it will cause 
> some issue to the DMA engine.
> 
> So when upper software wants to read data larger than 
> VIRTIO_BLK_F_SIZE_MAX, virtio-blk driver split one large request into 
> multiple smaller ones.
> 
> Signed-off-by: Andy Pei 
> Signed-off-by: Ding Limin 

Reviewed-by: Gerd Hoffmann 

___
SeaBIOS mailing list -- seabios@seabios.org
To unsubscribe send an email to seabios-le...@seabios.org

[SeaBIOS] Re: [PATCH v4 3/3] virtio-blk.: split large IO according to size_max

2021-12-07 Thread Gerd Hoffmann 
On Tue, Dec 07, 2021 at 09:31:08AM +0800, Andy Pei wrote:
> if driver reads data larger than VIRTIO_BLK_F_SIZE_MAX,
> it will cause some issue to the DMA engine.
> 
> So when upper software wants to read data larger than
> VIRTIO_BLK_F_SIZE_MAX, virtio-blk driver split one large
> request into multiple smaller ones.
> 
> Signed-off-by: Andy Pei 
> Signed-off-by: Ding Limin 

Reviewed-by: Gerd Hoffmann 

___
SeaBIOS mailing list -- seabios@seabios.org
To unsubscribe send an email to seabios-le...@seabios.org