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From: Tejun Heo <tj@kernel.org>
To: Mark Lord <mlord@pobox.com>
Cc: Milo Medin <medin@m2znetworks.com>, linux-ide@vger.kernel.org
Subject: Re: FW: ICH10R PMP support
Date: Mon, 23 Jun 2008 18:56:38 +0900	[thread overview]
Message-ID: <485F7356.5050605@kernel.org> (raw)
In-Reply-To: <485F6830.1040000@pobox.com>

Mark Lord wrote:
> I don't know anything about the 88SE6145 (isn't that an AHCI clone?),
> but the 7042 chip under Linux is *now* a very safe (and good) bet.
> 
> It has full kernel support for hot-plug, PMP with FIS-based switching,
> and employs a decent host command queue mechansim.  I believe all of the
> errata workarounds are now in place for this chip.
> 
> Performance is about as good as it gets under Linux,
> though there's still another microsecond or so to be shaved
> away from the IRQ handling in the next cycle.
> 
> Message-Switched-Interrupts (MSI) is there, but not fully supported yet.
> This also will likely get cleaned up in the next cycle.
> 
> The 7042 is the best of the Marvell chips, for Linux.

How high does it go bandwidth-wise?

Thanks.

-- 
tejun

  reply	other threads:[~2008-06-23  9:57 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-23  3:04 FW: ICH10R PMP support Milo Medin
2008-06-23  9:09 ` Mark Lord
2008-06-23  9:56   ` Tejun Heo [this message]
2008-06-24  7:04     ` Mark Lord
2008-06-24  7:10       ` Tejun Heo
2008-06-24  7:15         ` Mark Lord
2008-06-24  9:40           ` Brad Campbell
2008-06-23 15:54   ` Milo Medin
2008-06-24  7:11     ` Mark Lord
2008-06-25  0:13       ` Milo Medin 
     [not found] <OF1CA00FC2.4783C0D2-ON85257471.0053BCDF-85257471.0053FA0F@applera.com>
2008-06-24  7:08 ` Mark Lord

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