From: "Pali Rohár" <pali@kernel.org>
To: "Martin Mareš" <mj@ucw.cz>
Cc: "Bjorn Helgaas" <helgaas@kernel.org>,
"Krzysztof Wilczyński" <kw@linux.com>,
"Matthew Wilcox" <willy@infradead.org>,
linux-pci@vger.kernel.org
Subject: Re: [PATCH pciutils 0/5] Support for PROGIF, REVID and SUBSYS
Date: Fri, 21 Jan 2022 16:35:04 +0100 [thread overview]
Message-ID: <20220121153504.yhpuztk6fza3sbnm@pali> (raw)
In-Reply-To: <mj+md-20220121.152905.30983.nikam@ucw.cz>
On Friday 21 January 2022 16:29:44 Martin Mareš wrote:
> > On Linux "class+subclass+prog_if" can be different than what is in
> > config registers and the purpose of this patch series with new fields is
> > to allow user to see difference in lspci.
> >
> > On Windows access to real config space is not available for non-system
> > users.
>
> Sure, I meant to read it from the config registers only if the back-end
> is unable to supply it.
And in case "class+subclass+prog_if" is available but "revision" is not
available and even it is not possible to read revision from config space
(because e.g. due to missing permissions or limitations of win backend)?
next prev parent reply other threads:[~2022-01-21 15:35 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-21 13:57 [PATCH pciutils 0/5] Support for PROGIF, REVID and SUBSYS Pali Rohár
2022-01-21 13:57 ` [PATCH pciutils 1/5] libpci: Add new options for pci_fill_info: " Pali Rohár
2022-01-21 13:57 ` [PATCH pciutils 2/5] libpci: generic: Implement PROGIF, REVID and SUBSYS support Pali Rohár
2022-01-21 13:57 ` [PATCH pciutils 3/5] libpci: generic: Implement SUBSYS also for PCI_HEADER_TYPE_BRIDGE Pali Rohár
2022-01-21 14:40 ` Martin Mareš
2022-01-21 16:11 ` Pali Rohár
2022-01-21 20:43 ` Martin Mareš
2022-01-21 13:57 ` [PATCH pciutils 4/5] libpci: sysfs: Implement PROGIF, REVID and SUBSYS support Pali Rohár
2022-01-21 13:57 ` [PATCH pciutils 5/5] lspci: Retrieve prog if, subsystem ids and revision id via libpci Pali Rohár
2022-01-21 14:40 ` [PATCH pciutils 0/5] Support for PROGIF, REVID and SUBSYS Martin Mareš
2022-01-21 15:12 ` Pali Rohár
2022-01-21 15:15 ` Martin Mareš
2022-01-21 15:26 ` Pali Rohár
2022-01-21 15:29 ` Martin Mareš
2022-01-21 15:35 ` Pali Rohár [this message]
2022-01-21 15:38 ` Martin Mareš
2022-01-21 15:45 ` Pali Rohár
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