Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261329AbTILJDn (ORCPT ); Fri, 12 Sep 2003 05:03:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261299AbTILJDn (ORCPT ); Fri, 12 Sep 2003 05:03:43 -0400 Received: from alpha.tmit.bme.hu ([152.66.246.10]:23567 "EHLO alpha.ttt.bme.hu") by vger.kernel.org with ESMTP id S261332AbTILJDl (ORCPT ); Fri, 12 Sep 2003 05:03:41 -0400 Message-Id: <200309120900.h8C908Xh011926@alpha.ttt.bme.hu> From: "Horvath Gyorgy" Organization: DTT_BUTE To: Stewart Smith , Linux Kernel Mailing List , Alan Cox Date: Fri, 12 Sep 2003 10:59:40 +0200 Subject: Re: [ANNOUNCE] New hardware - SGA155D dual STM-1/OC3 PCI ad X-mailer: Pegasus Mail v3.22 X-MailScanner-Information: Please contact the ISP for more information X-MailScanner: Found to be clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2918 Lines: 72 Hi, > ====> From Stewart Smith > On Wed, 2003-09-10 at 00:55, Alan Cox wrote: > > > 4. Optionally - and if I have enough time - I'd like > > > to develop a twin-linear filesystem driver for > > > time-stamped capture/playback for multiple channels > > > of data - like a multi-band magnetic tape. > > > BTW do you know an existing one? > > > > I've seen people do this in user space (just interleaving the disk in > > big chunks in the app and driving it with O_DIRECT raw access) but not > > in kernel file system space. > > (from memory) I think that ext2/ext3 does (or at least did) this - they > lacked any smart logic for rapid allocations - at least for inodes in > the same cylinder group. I think this was mentioned in the "Journaling > the ext2 filesystem" paper. Unfortunatelly, I have to deal with the file-system from the FPGA as well - as from the Linux. Probably I have not enough room to implement ext2/ext3 in the FPGA. Anyway - I will see what... Actually - I have my driver-skeleton up, and I can now load firmware into the card. That's a movement ... but lot more to do. Sep 11 14:53:01 westel9 kernel: SGA155D[x] is a dual STM-1/OC3 Telecom. PCI adapter 0.01 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: AMCC is at F3800000 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: CPLD is at F3000000 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: FPGA is at F2800000 Sep 11 14:53:01 westel9 kernel: PCI: Found IRQ 9 for device 02:0b.0 Sep 11 14:53:01 westel9 kernel: PCI: Sharing IRQ 9 with 00:1f.4 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: AMCC mapped to f0818000 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: AMCC S5933 Reset, MCSR= 00000026 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: AMCC MCSR Initialization failed Sep 11 14:53:01 westel9 kernel: SGA155D[0]: AMCC S5933 Cold, INTCSR=00000000 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: CPLD mapped to f081a000 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: CPLD Test, CPLD_TEST = AA55 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: CPLD Test, CPLD_TEST = 3CF0 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: Firmware loaded, running... Sep 11 14:53:01 westel9 kernel: SGA155D[0]: FPGA mapped to f081c000 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: FPGA Firmware ID is D155FF02 Sep 11 14:53:01 westel9 kernel: SGA155D[0]: FPGA TEST = AA553CF0 I don't know why AMCC said that stupid 0x26 instead of 0xE6... Others seemed OK - and the LED's blinking :-) Best regards, Gyuri Gyorgy Horvath, Technical University of Budapest -------------- Dept. of Telecom. and Telematics Tel.: +36-1-463-1865, Fax.: +36-1-463-1865 Mail: horvaath@bme-tel.ttt.bme.hu FTP: ttt-pub.ttt.bme.hu ./income - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/