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* firewire: support S100B...S400B and link slower than PHYStefan Richter2007-07-09
| | | | | | | | | | | | | | | | | Use a speed probe to determine the speed over 1394b buses and of nodes which report a link speed less than their PHY speed. Log the effective maximum speed of newly created nodes in dmesg. Also, read the config ROM (except bus info block) at the maximum speed rather than S100. This isn't a real optimization though because we still only use quadlet read requests for the entire ROM. The patch also adds support for S1600 and S3200, although such hardware does not exist yet. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
* firewire: optimize gap count with 1394b leaf nodesStefan Richter2007-07-09
| | | | | | | | Table-based gap count optimization cannot be used if 1394b repeater PHYs are present. But it does work with 1394b leaf nodes. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
* firewire: remove unused macroStefan Richter2007-07-09
| | | | Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: missing newline in printkStefan Richter2007-07-09
| | | | | | | Also remove some errno printouts which will be shown by infrastructure code anyway. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: fw-sbp2: remove unused struct memberStefan Richter2007-07-09
| | | | | | | cleanup after support of single-buffer requests was dropped Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Hoegsberg <krh@redhat.com>
* firewire: add Kconfig help on building both stacksStefan Richter2007-06-29
| | | | | | | | | | Alas that won't work so good, because nobody reads help texts. I thought about adding some crude multiple choice selection (build the old stack, build the new stack, build both stacks). It's possible, but it would introduce awkward dummy config variables. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: fix async reception on big endian machinesStefan Richter2007-06-29
| | | | | | | | descriptor.data_address is little endian Tested-by: Olaf Hering <olh@suse.de> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
* firewire: Only set client->iso_context if allocation was successful.Kristian Høgsberg2007-06-20
| | | | | | | | This patch fixes an OOPS on cdev release for an fd where iso context creation failed. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: fix hang after card ejectionStefan Richter2007-06-16
| | | | | Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
* firewire: Change struct fw_cdev_iso_packet to not use bitfields.Kristian Høgsberg2007-05-31
| | | | | | | | | The struct is part of the userspace interface and can not use bitfields. This patch replaces the bitfields with a __u32 'control' word and provides access macros to set the bits. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Implement suspend/resume PCI driver hooks.Kristian Høgsberg2007-05-31
| | | | | | | | It's a low-impact design, that just makes suspend/resume look like a bus reset to the upper level drivers, but it should be sufficient. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: fw-sbp2: implement sysfs ieee1394_idStefan Richter2007-05-31
| | | | | | | | | The attribute /sys/bus/scsi/devices/*:*:*:*/ieee1394_id, as generated by the old sbp2 driver, is typically used to create persistently named links in /dev/disk/by-id. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
* firewire: fix return codeJeff Garzik2007-05-27
| | | | | | | | | | | | Fix this warning on x86-64 drivers/firewire/fw-cdev.c:798: warning: initialization from incompatible pointer type by making the return code of ioctl_send_request() the same as all the other ioctl_xxx() return codes. Signed-off-by: Jeff Garzik <jeff@garzik.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: prefix modules with firewire- instead of fw-Stefan Richter2007-05-27
| | | | | | | | | Of course everybody immediately associates "fw-" with FireWire, not firmware or firewall or whatever. But "firewire-" has a nice ring to it too. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Hoegsberg <krh@bitplanet.net>
* firewire: Add missing byteswapping for receive DMA programs.Kristian Høgsberg2007-05-27
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* missing mm.h in fw-ohciAl Viro2007-05-15
| | | | | | | need it for page_private(), not all targets have it pulled indirectly Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* firewire: Convert OHCI driver to use standard goto unwinding for error handling.Kristian Høgsberg2007-05-10
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Always use parens with sizeof.Kristian Høgsberg2007-05-10
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Drop single buffer request support.Kristian Høgsberg2007-05-10
| | | | | | | | The SCSI layer only passes sg requests down, so drop the use_sg == 0, request_bufflen != 0 case. Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Add a comment to describe why we split the sg list.Kristian Høgsberg, Stefan Richter2007-05-10
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Return SCSI_MLQUEUE_HOST_BUSY for out of memory cases in queuecommand.Kristian Høgsberg2007-05-10
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Handle the last few DMA mapping error cases.Kristian Høgsberg2007-05-10
| | | | | | | This should be the last missing checks. Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Allocate scsi_host up front and allocate the sbp2_device as hostdata.Kristian Høgsberg2007-05-10
| | | | | | | Avoids an extra allocation and simplifies lifetime rules for the scsi_host. Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Provide module aliase for backwards compatibility.Olaf Hering2007-05-10
| | | | | | | | | | | | | This patch loads fw-sbp2 if sbp2 is still in the config file. So one can go back and forth between releases without worry about the root filesystem drivers. Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Existing mkinitrd scripts still have to be adapted, unless they grok module aliases. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Add to fw-core-y instead of assigning fw-core-objs in Makefile.Kristian Høgsberg2007-05-10
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Break out shared IEEE1394 constant to separate header file.Kristian Høgsberg2007-05-10
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Uppercase most macro names.Kristian Høgsberg2007-05-10
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Coding style cleanup: no spaces after function names.Kristian Høgsberg2007-05-10
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Convert card_rwsem to a regular mutex.Kristian Høgsberg2007-05-10
| | | | | Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Clean up comment style.Kristian Høgsberg2007-05-10
| | | | | | | | Drop filenames from file preamble, drop editor annotations and use standard indent style for block comments. Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (fixed typo)
* firewire: Use lib/ implementation of CRC ITU-T.Kristian Høgsberg2007-05-10
| | | | | | | | | With the CRC ITU-T implementation available in lib/ we can use that instead. This also fixes a bug in the topology map crc computation. Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (fixed Kconfig)
* firewire: Rename fw-device-cdev.c to fw-cdev.c and move header to include/linux.Kristian Høgsberg2007-04-30
| | | | | Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Future proof the iso ioctls by adding a handle for the iso context.Kristian Høgsberg2007-04-30
| | | | | | | | Currently create context always returns 0 and the other iso ioctls will expect user space to pass that in for subsequent ioctls. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Add read/write and size annotations to IOC numbers.Kristian Høgsberg2007-04-30
| | | | | | | | Also, with this change, refactor ioctl dispatch code to do the copying from and to user space as indicated by the IOC annotations. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: don't use extern on public symbolsRandy Dunlap2007-04-26
| | | | | | | | | | Make firewire entry points not 'extern': drivers/firewire/fw-device.c:160:25: warning: function 'fw_device_get' with external linkage has definition drivers/firewire/fw-device.c:167:13: warning: function 'fw_device_put' with external linkage has definition Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: fw-device printk fixAndrew Morton2007-04-26
| | | | | | | You don't know what type is used to implement u64. Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Don't use subsystem rwsem, it's going away.Kristian Høgsberg2007-04-17
| | | | | Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Do an agent reset on error recovery.Kristian Høgsberg2007-04-11
| | | | | | | | Signed-off-by: Kristian Høgsberg <krh@redhat.com> (Reverted part which moved it from eh_abort_handler to eh_host_reset_handler) Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Only free ORBs that completed the initial transaction.Kristian Høgsberg2007-04-11
| | | | | | | | | | | | | In some situations we can receive the ORB status write before we have received the ORB pointer write response. When this happens, we assume that the fw_transaction is finished and free the ORB struct containing the fw_transaction. This fix make the status write logic only accept status writes for ORBs where the initial ORB pointer write transaction finished. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Forward SAM status codes to the scsi stack.Kristian Høgsberg2007-04-11
| | | | | | | | Or the SAM status codes from the device sense data into the command error code. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Check for CONTEXT_RUN not CONTEXT_ACTIVE when starting AT DMA context.Kristian Høgsberg2007-04-11
| | | | | | | Doh, bad typo... Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Byteswap iso header so all headers are presented as be32.Kristian Høgsberg2007-04-11
| | | | | Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Fix start on cycle 0 for IT, implement start on cycle for IR.Kristian Høgsberg2007-03-28
| | | | | Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Fix the range check for the queue_iso payload pointer.Kristian Høgsberg2007-03-28
| | | | | Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (renamed a variable)
* firewire: Increase the number of config rom retries and the retry delay.Kristian Høgsberg2007-03-28
| | | | | | | | | | | | Some devices have a really long power-on cycle, and we fail to successfully probe these if they're plugged in and then turned on. There's really no down-side to bumping the number of retries and the retry delay, and most devices will get picked up within the first couple of retries anyway. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Don't set card->irm_node before we have a new valid topology.Kristian Høgsberg2007-03-28
| | | | | | | | | | In case the topology build fails, we want to retain the old topology info until another reset finishes and results in a valid new tree. If we clear card->irm_node to NULL and the topology build fails, we end up dereferencing a NULL pointer in a few places. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Generalize resource tracking for cdev implementation.Kristian Høgsberg2007-03-28
| | | | | | | | Generalize the way we keep track of the various resources and assign a unique handle to each resource. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Add ioctls to add and remove config rom descriptors.Kristian Høgsberg2007-03-28
| | | | | Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (fixed whitespace)
* firewire: Streamline userspace interface structs.Kristian Høgsberg2007-03-28
| | | | | | | | | | | Make event struct layout common part include the closure and add a union for all event types; provide a mechanism for setting the bus reset event closure. Shuffle struct fw_cdev_queue_iso fields around to be 64-bit safe. Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
* firewire: Remember to set the driver_data pointer when queueing a packet.Kristian Høgsberg2007-03-28
| | | | | Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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