From: "mika.westerberg@linux.intel.com" <mika.westerberg@linux.intel.com>
To: "Jamet, Michael" <michael.jamet@intel.com>
Cc: "Mario.Limonciello@dell.com" <Mario.Limonciello@dell.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
"andreas.noever@gmail.com" <andreas.noever@gmail.com>,
"Bernat, Yehezkel" <yehezkel.bernat@intel.com>,
"lukas@wunner.de" <lukas@wunner.de>,
"Levy, Amir (Jer)" <amir.jer.levy@intel.com>,
"luto@kernel.org" <luto@kernel.org>,
"Jared.Dominguez@dell.com" <Jared.Dominguez@dell.com>,
"andriy.shevchenko@linux.intel.com"
<andriy.shevchenko@linux.intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 00/24] Thunderbolt security levels and NVM firmware upgrade
Date: Thu, 25 May 2017 11:04:08 +0300 [thread overview]
Message-ID: <20170525080408.GO8541@lahna.fi.intel.com> (raw)
In-Reply-To: <20170525072010.GK8541@lahna.fi.intel.com>
On Thu, May 25, 2017 at 10:20:10AM +0300, mika.westerberg@linux.intel.com wrote:
> On Wed, May 24, 2017 at 07:32:45PM +0000, Jamet, Michael wrote:
> > I talked to our BIOS expert today. Here is his advice to debugging further:
> >
> > It looks like something may have been wrong from system (BIOS, FW, others...) perspective.
> > On reboot need to enter EFI shell and check resources of
> > pci 0000:01:00.0: bridge.
> > At the EFI shell, this bridge MUST be either configured or absent.
> >
> > I would start this way, once we have this info, we may circle back to
> > him and look into next debugging step.
>
> Thanks, I'll try this today.
This is the contents dumped directly from EFI shell when a device is
connected. It seems that the vendor_id/device_id is 0xffff but the rest
of the config seems to be present (although not fully configured):
PCI Segment 00 Bus 01 Device 00 Func 00 [EFI 0001000000]
00000000: FF FF FF FF 00 00 10 00-00 00 04 06 00 00 01 00 *................*
00000010: 00 00 00 00 00 00 00 00-00 00 00 00 01 01 00 00 *................*
00000020: 00 00 00 00 01 00 01 00-00 00 00 00 00 00 00 00 *................*
00000030: 00 00 00 00 80 00 00 00-00 00 00 00 FF 01 00 00 *................*
00000040: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 *................*
00000050: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 *................*
00000060: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 *................*
00000070: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 *................*
00000080: 01 88 C3 FF 08 00 00 00-05 AC 80 00 00 00 00 00 *................*
00000090: 00 00 00 00 00 00 00 00-00 00 00 00 00 00 00 00 *................*
000000A0: 00 00 00 00 00 00 00 00-00 00 00 00 0D C0 00 00 *................*
000000B0: 22 22 11 11 00 00 00 00-00 00 00 00 00 00 00 00 *""..............*
000000C0: 10 00 52 00 20 80 E8 07-10 28 10 00 43 5C 45 00 *..R. ....(..C\E.*
000000D0: 00 00 23 10 00 00 00 00-00 00 00 00 00 00 00 00 *..#.............*
000000E0: 00 00 00 00 00 08 00 00-00 00 00 00 0E 00 00 00 *................*
000000F0: 03 00 1E 00 00 00 00 00-00 00 00 00 00 00 00 00 *................*
I wonder how Linux manages to find the device if vendor_id/device_id
reads 0xffff?
next prev parent reply other threads:[~2017-05-25 8:05 UTC|newest]
Thread overview: 106+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-18 14:38 Mika Westerberg
2017-05-18 14:38 ` [PATCH 01/24] thunderbolt: Use const buffer pointer in write operations Mika Westerberg
2017-05-25 13:19 ` Greg Kroah-Hartman
2017-05-18 14:38 ` [PATCH 02/24] thunderbolt: Do not try to read UID if DROM offset is read as 0 Mika Westerberg
2017-05-21 13:46 ` Andreas Noever
2017-05-22 8:40 ` Mika Westerberg
2017-05-22 18:41 ` Andreas Noever
2017-05-22 20:38 ` Mika Westerberg
2017-05-22 20:57 ` Andreas Noever
2017-05-18 14:38 ` [PATCH 03/24] thunderbolt: Do not warn about newer DROM versions Mika Westerberg
2017-05-18 14:38 ` [PATCH 04/24] thunderbolt: Add MSI-X support Mika Westerberg
2017-05-21 17:51 ` Andreas Noever
2017-05-22 8:52 ` Mika Westerberg
2017-05-22 10:35 ` Bernat, Yehezkel
2017-05-22 11:01 ` Mika Westerberg
2017-05-18 14:38 ` [PATCH 05/24] thunderbolt: Rework capability handling Mika Westerberg
2017-05-18 16:38 ` Andy Shevchenko
2017-05-19 8:12 ` Mika Westerberg
2017-05-19 13:18 ` Andy Shevchenko
2017-05-21 19:09 ` Andreas Noever
2017-05-22 9:45 ` Mika Westerberg
2017-05-22 9:58 ` Levy, Amir (Jer)
2017-05-25 6:13 ` Lukas Wunner
2017-05-18 14:38 ` [PATCH 06/24] thunderbolt: Introduce thunderbolt bus and connection manager Mika Westerberg
2017-05-18 16:43 ` Andy Shevchenko
2017-05-19 8:15 ` Mika Westerberg
2017-05-19 13:16 ` Andy Shevchenko
2017-05-24 10:28 ` Lukas Wunner
2017-05-24 10:39 ` Mika Westerberg
2017-05-25 13:23 ` Greg Kroah-Hartman
2017-05-25 14:42 ` Mika Westerberg
2017-05-18 14:38 ` [PATCH 07/24] thunderbolt: Convert switch to a device Mika Westerberg
2017-05-18 16:49 ` Andy Shevchenko
2017-05-19 8:20 ` Mika Westerberg
2017-05-24 11:09 ` Lukas Wunner
2017-05-24 11:43 ` Mika Westerberg
2017-05-24 13:53 ` Lukas Wunner
2017-05-25 6:57 ` Mika Westerberg
2017-05-18 14:38 ` [PATCH 08/24] thunderbolt: Fail switch adding operation if reading DROM fails Mika Westerberg
2017-05-18 14:38 ` [PATCH 09/24] thunderbolt: Do not fail if DROM data CRC32 is invalid Mika Westerberg
2017-05-18 14:39 ` [PATCH 10/24] thunderbolt: Read vendor and device name from DROM Mika Westerberg
2017-05-18 19:19 ` Andy Shevchenko
2017-05-19 8:22 ` Mika Westerberg
2017-05-19 10:07 ` Lukas Wunner
2017-05-19 10:28 ` Mika Westerberg
2017-05-21 5:31 ` Lukas Wunner
2017-05-21 7:48 ` Mika Westerberg
2017-05-21 9:33 ` Lukas Wunner
2017-05-18 14:39 ` [PATCH 11/24] thunderbolt: Move control channel messages to tb_msgs.h Mika Westerberg
2017-05-18 14:39 ` [PATCH 12/24] thunderbolt: Expose get_route() to other files Mika Westerberg
2017-05-18 14:39 ` [PATCH 13/24] thunderbolt: Expose make_header() " Mika Westerberg
2017-05-18 14:39 ` [PATCH 14/24] thunderbolt: Let the connection manager handle all notifications Mika Westerberg
2017-05-24 14:00 ` Lukas Wunner
2017-05-25 7:02 ` Mika Westerberg
2017-05-18 14:39 ` [PATCH 15/24] thunderbolt: Rework control channel to be more reliable Mika Westerberg
2017-05-25 13:25 ` Greg Kroah-Hartman
2017-05-25 14:35 ` Mika Westerberg
2017-05-18 14:39 ` [PATCH 16/24] thunderbolt: Add Thunderbolt 3 PCI IDs Mika Westerberg
2017-05-18 14:39 ` [PATCH 17/24] thunderbolt: Add support for NHI mailbox Mika Westerberg
2017-05-18 14:39 ` [PATCH 18/24] thunderbolt: Store Thunderbolt generation in the switch structure Mika Westerberg
2017-05-21 4:47 ` Lukas Wunner
2017-05-21 5:29 ` Levy, Amir (Jer)
2017-05-21 5:35 ` Lukas Wunner
2017-05-21 7:40 ` Mika Westerberg
2017-05-21 8:00 ` Mika Westerberg
2017-05-21 8:07 ` Levy, Amir (Jer)
2017-05-21 9:55 ` Bernat, Yehezkel
2017-05-21 10:47 ` Mika Westerberg
2017-05-21 11:18 ` Bernat, Yehezkel
2017-05-21 11:47 ` Mika Westerberg
2017-05-21 10:44 ` Mika Westerberg
2017-05-18 14:39 ` [PATCH 19/24] thunderbolt: Add support for DMA configuration based mailbox Mika Westerberg
2017-05-18 14:39 ` [PATCH 20/24] thunderbolt: Do not touch the hardware if the NHI is gone on resume Mika Westerberg
2017-05-24 14:43 ` Lukas Wunner
2017-05-25 7:10 ` Mika Westerberg
2017-05-18 14:39 ` [PATCH 21/24] thunderbolt: Add support for Internal Connection Manager (ICM) Mika Westerberg
2017-05-18 14:39 ` [PATCH 22/24] thunderbolt: Add support for host and device NVM firmware upgrade Mika Westerberg
2017-05-18 19:35 ` Andy Shevchenko
2017-05-19 8:26 ` Mika Westerberg
2017-05-25 13:28 ` Greg Kroah-Hartman
2017-05-25 14:39 ` Mika Westerberg
2017-05-25 14:57 ` Greg Kroah-Hartman
2017-05-18 14:39 ` [PATCH 23/24] thunderbolt: Add documentation how Thunderbolt bus can be used Mika Westerberg
2017-05-18 14:39 ` [PATCH 24/24] MAINTAINERS: Add maintainers for Thunderbolt driver Mika Westerberg
2017-05-19 16:35 ` [PATCH 00/24] Thunderbolt security levels and NVM firmware upgrade Mario.Limonciello
2017-05-19 17:19 ` Mika Westerberg
2017-05-19 17:54 ` Mario.Limonciello
2017-05-20 8:24 ` Mika Westerberg
2017-05-22 11:37 ` Mika Westerberg
2017-05-22 20:07 ` Mario.Limonciello
2017-05-22 20:10 ` Bernat, Yehezkel
2017-05-22 23:54 ` Mario.Limonciello
2017-05-22 20:48 ` Mika Westerberg
2017-05-23 17:30 ` Mario.Limonciello
2017-05-24 11:11 ` Mika Westerberg
2017-05-24 19:06 ` Mario.Limonciello
2017-05-24 19:32 ` Jamet, Michael
2017-05-25 7:20 ` mika.westerberg
2017-05-25 8:04 ` mika.westerberg [this message]
2017-05-25 12:03 ` mika.westerberg
2017-08-11 15:13 ` mika.westerberg
2017-05-25 7:19 ` Mika Westerberg
2017-05-19 18:00 ` Mika Westerberg
2017-05-20 9:15 ` Levy, Amir (Jer)
2017-05-21 8:08 ` mika.westerberg
2017-05-23 13:25 ` Andy Shevchenko
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