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Re: [Qemu-devel] [PATCH] ahci: fix FIS I bit and PIO Setup FIS interrupt
From: |
John Snow |
Subject: |
Re: [Qemu-devel] [PATCH] ahci: fix FIS I bit and PIO Setup FIS interrupt |
Date: |
Thu, 21 Jun 2018 16:06:06 -0400 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.8.0 |
On 06/20/2018 09:25 AM, Paolo Bonzini wrote:
> + pio_fis_i = is_atapi ? ad->done_atapi_packet : !is_write;
Per DPIOO1, does this go to false for the first DRQ block, or did I
misunderstand? Currently my understanding:
- device->host
DPIOI1
Interrupt bit shall be set.
- host->device:
DPIOO1:
0 for first block, 1 otherwise
- ATAPI:
0 for packet itself
1 for all data otherwise.
Yes?