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From: Stefan Hajnoczi <stefanha@gmail.com>
To: Hannes Reinecke <hare@suse.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>,
	Alexander Graf <agraf@suse.de>,
	qemu-devel@nongnu.org, Andreas Faerber <afaerber@suse.de>,
	Nic Bellinger <nab@datera.com>
Subject: Re: [Qemu-devel] [PATCH 01/17] ahci: Fix CD-ROM signature
Date: Wed, 29 Oct 2014 14:30:03 +0000	[thread overview]
Message-ID: <20141029143003.GC5218@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1414569232-21357-2-git-send-email-hare@suse.de>

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On Wed, Oct 29, 2014 at 08:53:36AM +0100, Hannes Reinecke wrote:
> The CD-ROM signature is 0xeb140101, not 0xeb140000.
> Without this change OVMF/Duet runs into a timeout trying
> to detect a SATA cdrom.
> 
> Signed-off-by: Hannes Reinecke <hare@suse.de>
> ---
>  hw/ide/ahci.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/ide/ahci.h b/hw/ide/ahci.h
> index e223258..970eea8 100644
> --- a/hw/ide/ahci.h
> +++ b/hw/ide/ahci.h
> @@ -161,7 +161,7 @@
>  #define AHCI_CMD_HDR_CMD_FIS_LEN           0x1f
>  #define AHCI_CMD_HDR_PRDT_LEN              16
>  
> -#define SATA_SIGNATURE_CDROM               0xeb140000
> +#define SATA_SIGNATURE_CDROM               0xeb140101

Looks good, this change is justified by ATA/ATAPI-4 "9.1 Signature and
persistence".

Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>

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  parent reply	other threads:[~2014-10-29 14:30 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-10-29  7:53 [Qemu-devel] [PATCH 00/17] megasas: gen2 emulation and MSI-X fixes Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 01/17] ahci: Fix CD-ROM signature Hannes Reinecke
2014-10-29  8:07   ` Markus Armbruster
2014-10-29  8:11     ` Hannes Reinecke
2014-10-29 15:47       ` John Snow
2014-10-29 14:30   ` Stefan Hajnoczi [this message]
2014-10-29  7:53 ` [Qemu-devel] [PATCH 02/17] atapi: clear sense code Hannes Reinecke
2014-10-29 14:50   ` Stefan Hajnoczi
2014-10-29  7:53 ` [Qemu-devel] [PATCH 03/17] scsi: Rename scsi_cdb_length() to scsi_xfer_length() Hannes Reinecke
2014-10-30 10:38   ` Paolo Bonzini
2014-10-30 11:26     ` Hannes Reinecke
2014-10-30 12:00       ` Paolo Bonzini
2014-10-29  7:53 ` [Qemu-devel] [PATCH 04/17] scsi: fixup lba calculation for 6 byte CDBs Hannes Reinecke
2014-10-29  9:16   ` Paolo Bonzini
2014-10-29  9:52     ` Hannes Reinecke
2014-10-29 10:10       ` Paolo Bonzini
2014-10-29  7:53 ` [Qemu-devel] [PATCH 05/17] scsi: Remove 'lun' argument Hannes Reinecke
2014-10-29  9:05   ` Paolo Bonzini
2014-10-29  9:07   ` Paolo Bonzini
2014-10-29 11:13     ` Hannes Reinecke
2014-10-29 11:35       ` Paolo Bonzini
2014-10-29  7:53 ` [Qemu-devel] [PATCH 06/17] megasas: fixup MFI_DCMD_LD_LIST_QUERY Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 07/17] megasas: simplify trace event messages Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 08/17] megasas: fixup device mapping Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 09/17] megasas: add MegaRAID SAS 2108 emulation Hannes Reinecke
2014-10-29 12:01   ` Andreas Färber
2014-10-29  7:53 ` [Qemu-devel] [PATCH 10/17] megasas: Fix typo in megasas_dcmd_ld_get_list() Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 11/17] megasas: Decode register names Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 12/17] megasas: Clear unit attention on initial reset Hannes Reinecke
2014-10-29  9:14   ` Paolo Bonzini
2014-10-29  9:53     ` Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 13/17] megasas: Ignore duplicate init_firmware commands Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 14/17] megasas: Implement DCMD_CLUSTER_RESET_LD Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 15/17] megasas: Update queue logging Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 16/17] megasas: Rework frame queueing algorithm Hannes Reinecke
2014-10-29  7:53 ` [Qemu-devel] [PATCH 17/17] megasas: Fixup MSI-X handling Hannes Reinecke
2014-10-29  9:18 ` [Qemu-devel] [PATCH 00/17] megasas: gen2 emulation and MSI-X fixes Paolo Bonzini
2014-10-29 11:10   ` Hannes Reinecke

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