From: "Gerd Hoffmann" <kraxel@redhat.com>
To: devel@edk2.groups.io, yoshinoyatoko@163.com
Cc: "Ni, Ray" <ray.ni@intel.com>
Subject: Re: [edk2-devel] question about cxl device enumeration in pci bus driver
Date: Thu, 26 Oct 2023 10:33:57 +0200 [thread overview]
Message-ID: <uibv43vu4b46jsnsa2qfrjuojtiovg2bdhuwwc5osjbefotelj@3yxkjovyrbm6> (raw)
In-Reply-To: <f71eb71.1ae0.18b69d73bfc.Coremail.yoshinoyatoko@163.com>
On Thu, Oct 26, 2023 at 10:36:35AM +0800, Yoshinoya wrote:
> CXL Host Bridge / Root Port / Switch / Device enumeration / HDM Config, maybe could be integrated into pci drivers stack.
Point being? Can or should the firmware do anything useful with
the CXL hardware? If so, what exactly and why?
Current state of affairs is that the PCI stack does the usual PCI
initialization (enumerate, assign resources to PCI bars) and leaves
everything else to the OS.
take care,
Gerd
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next prev parent reply other threads:[~2023-10-26 8:34 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-25 6:01 [edk2-devel] question about cxl device enumeration in pci bus driver Yoshinoya
2023-10-25 10:13 ` Ni, Ray
2023-10-26 2:36 ` Yoshinoya
2023-10-26 8:33 ` Gerd Hoffmann [this message]
2023-10-26 9:49 ` Laszlo Ersek
2023-10-26 13:35 ` Jonathan Cameron via groups.io
2023-10-27 1:26 ` Yoshinoya
[not found] ` <1791D2898E0C74CA.20272@groups.io>
2023-10-27 1:29 ` Yoshinoya
2023-10-27 5:49 ` Ni, Ray
2023-11-06 11:20 ` Yoshinoya
2023-11-07 21:54 ` Brian J. Johnson
2023-11-17 1:41 ` Yoshinoya
2023-11-07 11:31 ` [edk2-devel] Use dynamic pcd in smm mode Yoshinoya
2023-11-07 12:45 ` Laszlo Ersek
2023-11-09 6:03 ` Yoshinoya
2023-11-17 2:15 ` [edk2-devel] question about PrmPkg Yoshinoya
2023-11-17 8:42 ` Laszlo Ersek
2023-11-17 16:04 ` Michael Kubacki
2023-11-20 2:09 ` Yoshinoya
2023-11-20 13:58 ` Michael Kubacki
2024-02-27 10:06 ` [edk2-devel] Question about SMM code privilege switch Yoshinoya
2024-03-04 1:20 ` Yoshinoya
2024-05-23 2:07 ` [edk2-devel] What PTSS abbreviation means Yoshinoya
2024-02-05 9:49 ` [edk2-devel] sctpackage failed to be compile with new udk codebase Yoshinoya
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