svn commit: r261491 - in head: share/man/man4 sys/dev/mfi
martin at gneto.com
Sun May 18 14:04:09 UTC 2014
Can you MFC this to stable 10 & 9 so it's easier to test the new mrsas
On 2014-02-04 18:35, Doug Ambrisko wrote:
> Author: ambrisko
> Date: Tue Feb 4 17:35:41 2014
> New Revision: 261491
> Add a tunable "hw.mfi.mrsas_enable" to allow mfi(4) to drop priority and
> allow mrsas(4) from LSI to attach to newer LSI cards that are support by
> mrsas(4). If mrsas(4) is not loaded into the system at boot then mfi(4)
> will always attach. If a modified mrsas(4) is loaded in the system. That
> modification is return "-30" in it's probe since that is between
> BUS_PROBE_DEFAULT and BUS_PROBE_LOW_PRIORITY.
> This option is controller by a new probe flag "MFI_FLAGS_MRSAS" in mfi_ident
> that denotes cards that should work with mrsas(4). New entries that should
> have this option.
> This is the first step to get mrsas(4) checked into FreeBSD and to avoid
> collision with people that use mrsas(4) from LSI. Since mfi(4) takes
> priority, then mrsas(4) users need to rebuild GENERIC. Using the
> .disabled="1" method doesn't work since that blocks attaching and the
> probe gave it to mfi(4).
> Discussed with: LSI (Kashyap Desai)
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