- 27 Dec, 2004 22 commits
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Roland Dreier authored
Add the 0x1b ioctl magic number used by ib_umad module to Documentation/ioctl-number.txt. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add a driver that provides a character special device for each InfiniBand port. This device allows userspace to send and receive MADs via write() and read() (with some control operations implemented as ioctls). All operations are 32/64 clean and have been tested with 32-bit userspace running on a ppc64 kernel. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add functions for handling IPoIB multicast and multiple partitions. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add a driver that implements the (IPoIB) IP-over-InfiniBand protocol. This is a network device driver of type ARPHRD_INFINIBAND (and addr_len INFINIBAND_ALEN bytes). The ARP/ND implementation for this driver is not completely straightforward, because InfiniBand requires an additional path lookup be performed (through an IB-specific mechanism) after a remote hardware address has been resolved. We are very open to suggestions of a better way to handle this than the current implementation. Although IB has a special multicast group join mode intended to support IP multicast routing (non member join), no means to identify different multicast styles has yet been determined, so all joins by the driver are currently full member joins. We are looking for guidance in how to solve this. The IPoIB protocol/encapsulation is described in the Internet-Drafts http://www.ietf.org/internet-drafts/draft-ietf-ipoib-architecture-04.txt http://www.ietf.org/internet-drafts/draft-ietf-ipoib-ip-over-infiniband-08.txtSigned-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add ipv6_ib_mc_map() to convert IPv6 multicast addresses to IPoIB hardware addresses, and add support for autoconfiguration for devices with type ARPHRD_INFINIBAND. The mapping for multicast addresses is described in http://www.ietf.org/internet-drafts/draft-ietf-ipoib-ip-over-infiniband-08.txtSigned-off-by: Nitin Hande <Nitin.Hande@Sun.Com> Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add ip_ib_mc_map() to convert IPv4 multicast addresses to IPoIB hardware addresses. Also add <linux/if_infiniband.h> so INFINIBAND_ALEN has a home. The mapping for multicast addresses is described in http://www.ietf.org/internet-drafts/draft-ietf-ipoib-ip-over-infiniband-08.txtSigned-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add MAD (management datagram) code for Mellanox HCA driver. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add code for remaining InfiniBand objects (address vectors, multicast groups, memory regions and protection domains) Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add CQ (completion queue) and QP (queue pair) code for Mellanox HCA driver. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add device initializaton code for Mellanox HCA driver. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add event queue code for Mellanox HCA driver. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add firmware command processing code for Mellanox HCA driver. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add midlayer interface code for Mellanox HCA driver. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add a low-level driver for Mellanox MT23108 and MT25208 HCAs. The MT25208 is only fully supported when in MT23108 compatibility mode; only the very beginnings of support for native MT25208 mode (required for HCAs without local memory) is present. (As a side note, I believe this driver would be the first in-tree consumer of the PCI MSI/MSI-X API) Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add support for sending queries to the SA (Subnet Administration). In particular the PathRecord and MCMember (multicast group member) used by the IP-over-InfiniBand driver are implemented. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add MAD layer SMI (Subnet Management Interface) code. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add MAD layer private implementation headers. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add support for handling InfiniBand MADs (management datagrams), including sending and receiving MADs as well as passing MADs on to local agents. This is required for an SM (subnet manager) to discover and configure the host, since the SM's query MADs must be passed to the local SMA (subnet management agent). In addition, this support is used by upper level protocols to send queries to and receive responses from the SM. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add public headers for handling InfiniBand MADs (management datagrams), including sending and receiving MADs as well as passing MADs on to local agents. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add the appropriate lines to drivers/Kconfig and drivers/Makefile so that the kernel configuration and build systems know about drivers/infiniband. Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add implementation of core InfiniBand support. This can be thought of as a midlayer that provides an abstraction between low-level hardware drivers and upper level protocols (such as IP-over-InfiniBand). Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Roland Dreier authored
Add public headers for core InfiniBand support. This can be thought of as a midlayer that provides an abstraction between low-level hardware drivers and upper level protocols (such as IP-over-InfiniBand). Signed-off-by: Roland Dreier <roland@topspin.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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- 26 Dec, 2004 10 commits
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Alan Cox authored
Originally submitted by Mike Waychison <Michael.Waychison@sun.com> in August but apparently lost. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Alan Cox authored
SCSI ioctls can ask for a lot of memory and fail. We don't need to vomit in the log file for this case. Again taken from the Red Hat minor patches applied for FC3. Original-patch: Arjan van de Ven <arjanv@redhat.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Alan Cox authored
Paul Laufer informed the list that he had changed address and his change of address had been ignored so CREDITS was still wrong although other files had been updated. Fix this. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Alan Cox authored
Red Hat got some confused customers due to this message. The confused user case is when they update the BIOS and all of a sudden we have "no suitable data" yet we did before. We (Arjan van de Ven) thus changed it to "No new microcode" which is much much clearer. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Alan Cox authored
Add some more funky AC97 knowledge to the intel8x0 driver. These come from Red Hat and its partners and are included in our shipping code. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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bk://linux-dj.bkbits.net/agpgartLinus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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bk://gkernel.bkbits.net/net-drivers-2.6Linus Torvalds authored
into ppc970.osdl.org:/home/torvalds/v2.6/linux
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Jeff Garzik authored
into pobox.com:/garz/repo/net-drivers-2.6
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Jeff Garzik authored
into pobox.com:/garz/repo/net-drivers-2.6
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Jeff Garzik authored
into pobox.com:/garz/repo/net-drivers-2.6
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- 25 Dec, 2004 1 commit
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David S. Miller authored
into nuts.davemloft.net:/disk1/BK/net-2.6
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- 24 Dec, 2004 6 commits
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Linus Torvalds authored
Merry Christmas everyone. Ho ho ho!
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Linus Torvalds authored
rth tells me that some versions of gcc may end up using the SSE registers for data movement when you do that. Use "-march=i686 -mtune=xxxx" instead. (We do the same thing for march=pentium2/4 too, just for consistency).
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Dmitry Torokhov authored
evdev, joydev, mousedev, tsdev - remove class device and devfs entry when hardware driver disconnects instead of waiting for the last user to drop off. This way hardware drivers can be unloaded at any time. Signed-off-by: Dmitry Torokhov <dtor@mail.ru> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Vladimir Saveliev authored
This patch adds missing lock_kernel()/unlock_kernel() pair in reiserfs_get_dentry Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Andrew Morton authored
mm/rmap.c contains an open-coded reference to swap_token_default_timeout Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Jens Axboe authored
CFQ v2 has some spare queue logic that was never enabled. It has an SMP deadlock because it attempts to regrab the queue lock in the exit path, so kill the spare queue stuff completely for 2.6.10. Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- 23 Dec, 2004 1 commit
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Andrew Morton authored
switch_uid() doesn't care about tasklist_lock, so do it outside the lock and avoid a subtle (and very very unlikely to trigger) AB-BA deadlock. Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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