From: Paolo Bonzini <pbonzini@redhat.com>
To: Hannes Reinecke <hare@suse.de>
Cc: qemu-trivial@nongnu.org, "Stefan Weil" <sw@weilnetz.de>,
"Alexander Graf" <agraf@suse.de>,
qemu-devel@nongnu.org, "Anthony Liguori" <anthony@codemonkey.ws>,
"Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-trivial] [PATCH] megasas: Update function megasys_scsi_uninit
Date: Wed, 01 Aug 2012 10:01:34 +0200 [thread overview]
Message-ID: <5018E25E.4010801@redhat.com> (raw)
In-Reply-To: <5018E0BE.3000706@suse.de>
Il 01/08/2012 09:54, Hannes Reinecke ha scritto:
> On 08/01/2012 09:38 AM, Paolo Bonzini wrote:
>> Il 01/08/2012 00:17, Hannes Reinecke ha scritto:
>>> Ad 2: no, the SAS address for the devices is _not_ the WWN.
>>> The WWN is the ID of the LUN, whereas the SAS address is the ID of the
>>> Target. So to be correct we would need to generate unique SAS addressed
>>> per target which needs to be different from the WWN.
>>
>> Oh, that's even easier then, just delete all the get_wwn stuff and use
>> HBA address + 1 + sdev->id.
>>
> Which HBA address?
The HBA SAS address. :)
Paolo
WARNING: multiple messages have this Message-ID (diff)
From: Paolo Bonzini <pbonzini@redhat.com>
To: Hannes Reinecke <hare@suse.de>
Cc: qemu-trivial@nongnu.org, "Stefan Weil" <sw@weilnetz.de>,
"Alexander Graf" <agraf@suse.de>,
qemu-devel@nongnu.org, "Anthony Liguori" <anthony@codemonkey.ws>,
"Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [PATCH] megasas: Update function megasys_scsi_uninit
Date: Wed, 01 Aug 2012 10:01:34 +0200 [thread overview]
Message-ID: <5018E25E.4010801@redhat.com> (raw)
In-Reply-To: <5018E0BE.3000706@suse.de>
Il 01/08/2012 09:54, Hannes Reinecke ha scritto:
> On 08/01/2012 09:38 AM, Paolo Bonzini wrote:
>> Il 01/08/2012 00:17, Hannes Reinecke ha scritto:
>>> Ad 2: no, the SAS address for the devices is _not_ the WWN.
>>> The WWN is the ID of the LUN, whereas the SAS address is the ID of the
>>> Target. So to be correct we would need to generate unique SAS addressed
>>> per target which needs to be different from the WWN.
>>
>> Oh, that's even easier then, just delete all the get_wwn stuff and use
>> HBA address + 1 + sdev->id.
>>
> Which HBA address?
The HBA SAS address. :)
Paolo
next prev parent reply other threads:[~2012-08-01 8:01 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-31 5:54 [Qemu-trivial] [PATCH] megasas: Update function megasys_scsi_uninit Stefan Weil
2012-07-31 5:54 ` [Qemu-devel] " Stefan Weil
2012-07-31 14:13 ` Paolo Bonzini
2012-07-31 14:39 ` [Qemu-trivial] " Andreas Färber
2012-07-31 14:39 ` Andreas Färber
2012-07-31 14:43 ` [Qemu-trivial] " Paolo Bonzini
2012-07-31 14:43 ` Paolo Bonzini
2012-07-31 14:46 ` [Qemu-trivial] " Andreas Färber
2012-07-31 14:46 ` Andreas Färber
2012-07-31 14:50 ` [Qemu-trivial] " Paolo Bonzini
2012-07-31 14:50 ` Paolo Bonzini
2012-07-31 14:55 ` [Qemu-trivial] " Andreas Färber
2012-07-31 14:55 ` Andreas Färber
2012-07-31 15:15 ` [Qemu-trivial] " Anthony Liguori
2012-07-31 15:15 ` Anthony Liguori
2012-07-31 15:45 ` [Qemu-trivial] " Paolo Bonzini
2012-07-31 15:45 ` Paolo Bonzini
2012-07-31 22:17 ` [Qemu-trivial] " Hannes Reinecke
2012-07-31 22:17 ` Hannes Reinecke
2012-08-01 7:38 ` [Qemu-trivial] " Paolo Bonzini
2012-08-01 7:38 ` [Qemu-devel] " Paolo Bonzini
2012-08-01 7:54 ` [Qemu-trivial] " Hannes Reinecke
2012-08-01 7:54 ` [Qemu-devel] " Hannes Reinecke
2012-08-01 8:01 ` Paolo Bonzini [this message]
2012-08-01 8:01 ` Paolo Bonzini
2012-08-01 9:15 ` [Qemu-trivial] " Hannes Reinecke
2012-08-01 9:15 ` [Qemu-devel] " Hannes Reinecke
2012-07-31 15:16 ` [Qemu-trivial] " Paolo Bonzini
2012-07-31 15:16 ` Paolo Bonzini
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