Re: Class device namespaces

From: Jean Delvare
Date: Tue Apr 28 2009 - 04:10:48 EST


On Mon, 27 Apr 2009 12:23:30 -0500, Michael Brown wrote:
> On Mon, Apr 27, 2009 at 10:27 AM, Jean Delvare <khali@xxxxxxxxxxxx> wrote:
> > The question was: any change to _which_ paths exactly? Sysfs often
> > offers several ways to reach the same object, and it matters to know
> > which need to be preserved and which can change.
> >
> > const char *rbu_v2_fw_data_file = "/sys/class/firmware/dell_rbu/data";
> > const char *rbu_v2_fw_load_file = "/sys/class/firmware/dell_rbu/loading";
> > const char *rbu_v2_img_type_file = "/sys/devices/platform/dell_rbu/image_type";
> > const char *rbu_v2_pkt_size_file = "/sys/devices/platform/dell_rbu/packet_size";
> >
> > I guess that noawadays v2 applies, so the only path which needs to be
> > preserved is "/sys/class/firmware/dell_rbu". Is that correct? Is it the
> > same for srvadmin-hap?
>
> You are correct WRT libsmbios. For hapi, I've cc'd Doug who can tell
> you about their code. I've done a quick grep of their code, and the
> paths above look like the same ones he is using, but I could be wrong.
>
> hapi/apilibrary/dchbas/linux/umhbaslx.c:#define
> HBAS_RBU_SYSFS_NEW_DATAREAD_PFNAME "/sys/devices/platform/dell_rbu/data"
> hapi/apilibrary/dchbas/linux/umhbaslx.c:#define
> HBAS_RBU_SYSFS_NEW_IMAGETYPE_PFNAME "/sys/devices/platform/dell_rbu/image_type"
> hapi/apilibrary/dchbas/linux/umhbaslx.c:#define
> HBAS_RBU_SYSFS_NEW_PKTSIZE_PFNAME "/sys/devices/platform/dell_rbu/packet_size"

This doesn't make use of the firmware class at all, so I guess it won't
be affected by any change to the firmware class?

--
Jean Delvare
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