On Saturday, April 30, 2005 9:02 PM, Kallol wrote:
> The memory space PCI register access can not be used.
I'm not sure what this means. Can you please add more details on it?
> Question #1: Does 320-4X support IO Space device register access?
No, the controller does not support IO mapped I/O.
> Question #2: Do we have a linux driver for it that supports
> IO ports also?
Yes, to support LSI MegaRAID controllers (typically old controllers), driver
on the 2.4 kernel supports I/O mapped I/O.
Thank you.
Seokmann
LSI Logic Corporation.
> -----Original Message-----
> From: [email protected] [mailto:[email protected]]
> Sent: Saturday, April 30, 2005 9:02 PM
> To: [email protected]; [email protected]
> Subject: LSI Logic's Ultra320 320-4X RAID adapter
>
>
>
> Hello,
> We have been evaluting different IO adapters for a
> storage system vendor.
>
> LSI logic's 320-4X RAID controller seems to be a good choice.
>
> There is an issue with the system on which we are measuring
> performance.
> The memory space PCI register access can not be used.
>
> Question #1: Does 320-4X support IO Space device register access?
> Question #2: Do we have a linux driver for it that supports
> IO ports also?
>
> The megaraid linux driver seems to check the BAR0, if it is
> memory bar then mem
> space is used otherwise IO space.
>
> May be the adapter supporting memory space also support IO
> space access.
>
>
> Thanks,
> Kallol
> -
> To unsubscribe from this list: send the line "unsubscribe
> linux-scsi" in
> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
>
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]