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Date:      Fri, 4 Mar 2016 09:16:01 +0000
From:      Steven Hartland <killing@multiplay.co.uk>
To:        freebsd-fs@freebsd.org
Subject:   Re: hw.mfi.allow_cam_disk_passthrough missing?
Message-ID:  <56D95251.5080800@multiplay.co.uk>
In-Reply-To: <CACpH0MdTnED2DbTxBBrsGNJ7ZUdbN=7cY2XGKSRjRBn1gnZPJQ@mail.gmail.com>
References:  <CACpH0MdTnED2DbTxBBrsGNJ7ZUdbN=7cY2XGKSRjRBn1gnZPJQ@mail.gmail.com>

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Do you have the mfip module loaded? This is separate from mfi.

If you want direct drives you may be better off using mrsas by adding 
the following to /boot/loader.conf:
hw.mfi.mrsas_enable="1"

On 04/03/2016 00:51, Zaphod Beeblebrox wrote:
> so... I see in my source (10.2-STABLE):
>
> static int mfi_allow_disks = 0;
> TUNABLE_INT("hw.mfi.allow_cam_disk_passthrough", &mfi_allow_disks);
> SYSCTL_INT(_hw_mfi, OID_AUTO, allow_cam_disk_passthrough, CTLFLAG_RD,
>      &mfi_allow_disks, 0, "event message locale");
>
> ... sysctl hw.mfi.allow_cam_disk_passthrough:
>
> [1:6:306]root@virtual:~> sysctl hw.mfi.allow_cam_disk_passthrough
> sysctl: unknown oid 'hw.mfi.allow_cam_disk_passthrough': No such file or
> directory
>
> even though this is a generic kernel that contains mfi and the card in
> question probes up just fine.
>
> What gives?
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