Date: Mon, 4 Apr 2016 19:33:33 +0200 From: Oliver Pinter <oliver.pinter@hardenedbsd.org> To: John Baldwin <jhb@freebsd.org> Cc: "src-committers@freebsd.org" <src-committers@freebsd.org>, "svn-src-all@freebsd.org" <svn-src-all@freebsd.org>, "svn-src-head@freebsd.org" <svn-src-head@freebsd.org> Subject: Re: svn commit: r297501 - head/usr.sbin/pciconf Message-ID: <CAPQ4fftV9rrEfSvyJHvf4TC5rjD_w4sJd4wqa16aZmhmdQmnxQ@mail.gmail.com> In-Reply-To: <1801560.qVehiR5EY7@ralph.baldwin.cx> References: <201604020159.u321xr2V087305@repo.freebsd.org> <CAPQ4ffv5=Lzy-nHka13PtyWDRD0zaeuB=%2BMB7jcQUpp-JFrtrQ@mail.gmail.com> <1801560.qVehiR5EY7@ralph.baldwin.cx>
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On Monday, April 4, 2016, John Baldwin <jhb@freebsd.org> wrote:
> On Saturday, April 02, 2016 11:49:53 AM Oliver Pinter wrote:
> > > + if (cap & PCIEM_SLOT_CAP_HPS)
> > > + printf(" surprise");
> >
> >
> > What is this surprise string or state? Or is this a forgotten debug
> string?
>
> It's an actual thing in the spec. "Surprise" insertion/removal means that
> devices
> can be hotplugged without requiring notification to the OS ahead of time.
> The
> expresscard slots in my x220 actually report this:
Okay, thanks for the clarification.
>
> pcib3@pci0:0:28:3: class=0x060400 card=0x21da17aa chip=0x1c168086
> rev=0xb4 hdr=0x01
> cap 10[40] = PCI-Express 2 root port max data 128(128)
> link x0(x1) speed 0.0(5.0) ASPM L0s/L1(L0s/L1)
> slot 3 power limit 100 mW HotPlug(empty) surprise
> cap 05[80] = MSI supports 1 message
> cap 0d[90] = PCI Bridge card=0x21da17aa
> cap 01[a0] = powerspec 2 supports D0 D3 current D0
>
> and after inserting a card:
>
> pcib3@pci0:0:28:3: class=0x060400 card=0x21da17aa chip=0x1c168086
> rev=0xb4 hdr=0x01
> cap 10[40] = PCI-Express 2 root port max data 128(128)
> link x1(x1) speed 2.5(5.0) ASPM disabled(L0s/L1)
> slot 3 power limit 100 mW HotPlug(present) surprise
> cap 05[80] = MSI supports 1 message
> cap 0d[90] = PCI Bridge card=0x21da17aa
> cap 01[a0] = powerspec 2 supports D0 D3 current D0
>
> --
> John Baldwin
>
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