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path: root/drivers/firewire
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2007-07-10firewire: fw-sbp2: fix DMA mapping of management ORBsStefan Richter1-12/+9
The CPU must not touch the buffer after it was DMA-mapped. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: fix DMA mapping of command ORBsStefan Richter1-9/+6
The CPU must not touch the buffer after it was DMA-mapped. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: fix DMA mapping of S/G tablesStefan Richter1-11/+8
- The CPU must not touch the buffer after it was DMA-mapped. - The size argument of dma_unmap_single(...page_table...) was bogus. - Move a comment closer to the code to which it refers to. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: add a boundary checkStefan Richter1-0/+5
Add rudimentary check for the case that the page table overflows due to merging of s/g elements by the IOMMU. This would have lead to overwriting of arbitrary memory. After this change I expect that an offending command will be unsuccessfully retried until the scsi_device is taken offline by SCSI core. It's a border case and not worth to implement a recovery strategy. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: correctly align page tablesStefan Richter1-1/+1
This is required per SBP-2 clause 5.2. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: memset wants string.hStefan Richter1-0/+1
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: use correct speed in sbp2_agent_resetStefan Richter1-1/+1
noticed by Jay Fenlason Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: correctly dereference by container_ofJay Fenlason1-2/+3
Replace a cast with a container_of(). As long as nobody reorders the structure elements, they do the same thing, but container_of() is more readable. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> (added complete_command_orb) Acked-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: implement nonexclusive loginStefan Richter1-7/+15
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: let SCSI shutdown commands through before logoutStefan Richter1-4/+2
This affects of course only the "soft shutdown" case, e.g. "modprobe -r firewire-sbp2", while it doesn't matter for hot unplug. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: fw-sbp2: implement max sectors limit for some old bridgesStefan Richter1-1/+3
This currently only affects one bridge in the hardwired blacklist. I don't own one of those, hence haven't tested it. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10firewire: simplify a struct typeStefan Richter2-30/+24
cleanup after "firewire: support S100B...S400B and link slower than PHY" Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-07-10firewire: support S100B...S400B and link slower than PHYStefan Richter5-16/+45
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>
2007-07-10firewire: optimize gap count with 1394b leaf nodesStefan Richter4-17/+14
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>
2007-07-10firewire: remove unused macroStefan Richter1-1/+0
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10firewire: missing newline in printkStefan Richter3-5/+5
Also remove some errno printouts which will be shown by infrastructure code anyway. Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-07-10firewire: fw-sbp2: remove unused struct memberStefan Richter1-6/+0
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>
2007-06-29firewire: add Kconfig help on building both stacksStefan Richter1-22/+43
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>
2007-06-29firewire: fix async reception on big endian machinesStefan Richter1-3/+3
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>
2007-06-21firewire: Only set client->iso_context if allocation was successful.Kristian Høgsberg1-8/+11
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>
2007-06-16firewire: fix hang after card ejectionStefan Richter1-1/+1
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de> Signed-off-by: Kristian Høgsberg <krh@redhat.com>
2007-05-31firewire: Change struct fw_cdev_iso_packet to not use bitfields.Kristian Høgsberg1-1/+16
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>
2007-05-31firewire: Implement suspend/resume PCI driver hooks.Kristian Høgsberg2-69/+123
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>
2007-05-31firewire: fw-sbp2: implement sysfs ieee1394_idStefan Richter2-0/+54
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>
2007-05-27firewire: fix return codeJeff Garzik1-1/+1
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>
2007-05-27firewire: prefix modules with firewire- instead of fw-Stefan Richter2-12/+14
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>
2007-05-27firewire: Add missing byteswapping for receive DMA programs.Kristian Høgsberg1-2/+3
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-15missing mm.h in fw-ohciAl Viro1-0/+1
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>
2007-05-10firewire: Convert OHCI driver to use standard goto unwinding for error handling.Kristian Høgsberg1-44/+42
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-10firewire: Always use parens with sizeof.Kristian Høgsberg7-65/+65
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-10firewire: Drop single buffer request support.Kristian Høgsberg1-42/+1
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>
2007-05-10firewire: Add a comment to describe why we split the sg list.Kristian Høgsberg, Stefan Richter1-1/+4
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-10firewire: Return SCSI_MLQUEUE_HOST_BUSY for out of memory cases in queuecommand.Kristian Høgsberg1-4/+4
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-10firewire: Handle the last few DMA mapping error cases.Kristian Høgsberg1-7/+26
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>
2007-05-10firewire: Allocate scsi_host up front and allocate the sbp2_device as hostdata.Kristian Høgsberg1-84/+50
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>
2007-05-10firewire: Provide module aliase for backwards compatibility.Olaf Hering2-0/+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>
2007-05-10firewire: Add to fw-core-y instead of assigning fw-core-objs in Makefile.Kristian Høgsberg1-1/+1
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-10firewire: Break out shared IEEE1394 constant to separate header file.Kristian Høgsberg1-60/+1
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-10firewire: Uppercase most macro names.Kristian Høgsberg5-232/+231
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-10firewire: Coding style cleanup: no spaces after function names.Kristian Høgsberg5-33/+33
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-10firewire: Convert card_rwsem to a regular mutex.Kristian Høgsberg1-10/+10
Signed-off-by: Kristian Hoegsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-05-10firewire: Clean up comment style.Kristian Høgsberg11-253/+439
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)
2007-05-10firewire: Use lib/ implementation of CRC ITU-T.Kristian Høgsberg4-28/+18
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)
2007-04-30firewire: Rename fw-device-cdev.c to fw-cdev.c and move header to include/linux.Kristian Høgsberg3-270/+2
Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-30firewire: Future proof the iso ioctls by adding a handle for the iso context.Kristian Høgsberg2-4/+24
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>
2007-04-30firewire: Add read/write and size annotations to IOC numbers.Kristian Høgsberg2-167/+135
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>
2007-04-27firewire: don't use extern on public symbolsRandy Dunlap1-2/+2
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>
2007-04-27firewire: fw-device printk fixAndrew Morton1-1/+2
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>
2007-04-17firewire: Don't use subsystem rwsem, it's going away.Kristian Høgsberg2-16/+19
Signed-off-by: Kristian Høgsberg <krh@redhat.com> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2007-04-12firewire: Do an agent reset on error recovery.Kristian Høgsberg1-1/+1
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>
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