Re: cciss CSMI via sysfs for 2.6

[Christoph Hellwig <hch@infradead.org>]

>  /*
> + * sysfs stuff
> + * this should be moved to it's own file, maybe cciss_sysfs.h
> + */
> +
> +static ssize_t cciss_firmver_show(struct device *dev, char *buf)
> +{
> +	ctlr_info_t *h = dev->driver_data;
> +        return sprintf(buf,"%c%c%c%c\n", h->firm_ver[0], h->firm_ver[1],
> +                                h->firm_ver[2], h->firm_ver[3]);
> +}

I really wish we had a common firmver release attribut in the driver
core, as mentioned in the fc transport class thread.  Greg?

> +static ssize_t cciss_bus_id_show(struct device *dev, char *buf)
> +{
> +        return sprintf(buf,"%s\n", dev->bus_id);
> +}

this one is already exposed in the name of the sysfs link,
see bus_add_device()

> +	return sprintf(buf, "%x %x %x %x%x%x%x%x%x%x%x %x%x%x%x%x%x%x%x "
> +				"%x %x %x%x%x%x%x%x\n",
> +		p.bDeviceType, p.bRestricted, p.bInitiatorPortProtocol,
> +		p.bRestricted2[0], 
> +		p.bRestricted2[1], 
> +		p.bRestricted2[2],
> +		p.bRestricted2[3], 
> +		p.bRestricted2[4], 
> +		p.bRestricted2[5],
> +		p.bRestricted2[6], 
> +		p.bRestricted2[7],
> +	 	p.bSASAddress[0],
> +	 	p.bSASAddress[1],
> +	 	p.bSASAddress[2],
> +	 	p.bSASAddress[3],
> +	 	p.bSASAddress[4],
> +	 	p.bSASAddress[5],
> +	 	p.bSASAddress[6],
> +	 	p.bSASAddress[7],
> +		p.bPhyIdentifier, p.bSignalClass,
> +		p.bReserved[0],
> +		p.bReserved[1],
> +		p.bReserved[2],
> +		p.bReserved[3],
> +		p.bReserved[4],
> +		p.bReserved[5]);
> +}

This belongs into a SAS/SATA phy transport class and should be split
into multiple attributes.