Date: Sun, 24 May 2020 14:13:21 +0000 From: greg@unrelenting.technology To: "Warner Losh" <imp@bsdimp.com>, "Dan Kotowski" <dan.kotowski@a9development.com> Cc: "freebsd-arm" <freebsd-arm@freebsd.org> Subject: Re: FreeBSD on Layerscape/QorIQ LX2160X Message-ID: <664db38a87ea8803be72af9738534994@unrelenting.technology> In-Reply-To: <f5e74382291265f01b2dd29ce9180a55@unrelenting.technology> References: <f5e74382291265f01b2dd29ce9180a55@unrelenting.technology> <6E6E4F0C-F85B-428B-B221-C5F704677076@unrelenting.technology> <SBSqkdZA-3beqJyVy2tMuk5GRmV22DVVnz_8sNDhYCNOjNPe1wgoiSCoOitGhtlBspk-Gk2MKFv4sUyJKy58mKOBpXrGtZoRQKqmDvB1xIg=@a9development.com> <LqTdXCGMiTFwSobCq9LtV5QVLOZ42AiBDUTC9UrdM67cUlD_I8Y7no-8F7d_vs3VDJwIFJLgHTSZVrbkIXXeZ_-hcU0FxfWj0dr-GvhKXHA=@a9development.com> <b04385d558850dc1dfa60fc398c9ac6c@unrelenting.technology> <CAPv3WKdyOzegfK4NJjKzXQTp9jGV9VkDRWxY%2BhDudzWQKkRfEQ@mail.gmail.com> <3e81db774e0fc1a3c2251c89b7629e1b@unrelenting.technology> <86119565e5927716a9feebabcb611871@unrelenting.technology> <f801aa134da12d1b4a34b87dbc180b4a@unrelenting.technology> <37858865a8ebddd3fe1e3a228a19ef62@unrelenting.technology> <7066da0bc417ed047dc27b4741c90e81@unrelenting.technology> <xoiJF1ZUP3-rgbxC8ZmJGQNpsJSyK4zsAXhbLl8Ml96Da1lBPGwPqn0ANf7q-GgthPAWePSR9QDCM5vKysd_3e2aGtp-0egUXu6AW3bhLDg=@a9development.com> <CANCZdfqbd_u35toFYKr4LKkCBwnRhutM5knjnVcGR018Jfo1Vw@mail.gmail.com>
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May 24, 2020 5:03 PM, greg@unrelenting.technology wrote:=0A=0A> I also lo= oked more closely at mps, and actually "just polling I/O" does work. We s= ee:=0A> mps0: IOCCapabilities: 1285c<ScsiTaskFull,DiagTrace,SnapBuf,EEDP,= TransRetry,EventReplay,HostDisc>=0A> and that means mps_request_sync (cal= led by mps_get_iocfacts) has worked.=0A> =0A> And the command completion = actually seems to come from interrupts.=0A> =0A> I've heard something abo= ut MSI(X) not working for the Linux people (not NetBSD though!),=0A> so I= guess the next thing to try would be booting with hw.pci.enable_msi=3D0 = hw.pci.enable_msi=3D1=0A=0A=0Alol, I mean, hw.pci.enable_msi=3D0 hw.pci.e= nable_msix=3D0
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