linux-kernel - Re: [PATCH 2/8] SFI: include/linux/sfi.h

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 23 Jun 2009 23:52:17 +0800
From:	Feng Tang <feng.tang@...el.com>
To:	Sam Ravnborg <sam@...nborg.org>
CC:	Len Brown <lenb@...nel.org>,
	"sfi-devel@...plefirmware.org" <sfi-devel@...plefirmware.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/8] SFI: include/linux/sfi.h

On Tue, 23 Jun 2009 17:06:54 +0800
Sam Ravnborg <sam@...nborg.org> wrote:

> > +/*
> > + * Table structures must be byte-packed to match the SFI
> > specification,
> > + * as they are provided by the BIOS.
> > + */
> > +#pragma pack(1)
> > +struct sfi_table_header {
> > +	char signature[SFI_SIGNATURE_SIZE];
> > +	u32 length;
> > +	u8 revision;
> > +	u8 checksum;
> > +	char oem_id[SFI_OEM_ID_SIZE];
> > +	char oem_table_id[SFI_OEM_TABLE_ID_SIZE];
> > +};
> Are they endian specific?
> In that case use the correct endian specific types.

I can try to answer this question, Len, correct me if I'm wrong.

These SFI tables are just byte strings, and created by FW, FW can chose
to use big-endian or little-endian in these tables based on what platform
they are used. So it's transparent for SFI driver code.

Thanks,
Feng

> 
> Same for the other types later in this file.
> 
> 	Sam
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/