sys: Remove $FreeBSD$: two-line .h pattern

Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error

sys/dev: further adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

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Remove obsolete compatibility glue and improve firewire code readability.

Commit my version of style(9) pass over the firewire code. Now that
other people have started changing the code carrying thi

Remove obsolete compatibility glue and improve firewire code readability.

Commit my version of style(9) pass over the firewire code. Now that
other people have started changing the code carrying this is as a
local patch is not longer a viable option.

MFC after: 1 month

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Start the process of cleaning up FreeBSD's firewire driver.

sys/dev/firewire/firewire.c:
sys/dev/firewire/firewire.h:
sys/dev/firewire/firewirereg.h:
sys/dev/firewire/fwcrom.c:
sys/dev/firewire/fwde

Start the process of cleaning up FreeBSD's firewire driver.

sys/dev/firewire/firewire.c:
sys/dev/firewire/firewire.h:
sys/dev/firewire/firewirereg.h:
sys/dev/firewire/fwcrom.c:
sys/dev/firewire/fwdev.c:
sys/dev/firewire/fwdma.c:
sys/dev/firewire/fwmem.c:
sys/dev/firewire/fwohci.c:
sys/dev/firewire/fwohci_pci.c:
sys/dev/firewire/fwohcivar.h:
sys/dev/firewire/if_fwe.c:
sys/dev/firewire/if_fwip.c:
sys/dev/firewire/sbp.c:
sys/dev/firewire/sbp_targ.c:
Unifdef the code, removing support for DragonflyBSD
and FreeBSD prior to version 5.

Submitted by: gibbs
MFC after: 1 month
Sponsored by: Spectra Logic
MFSpectraBSD: 1081188 on 2014/08/01

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Protect transaction labels by its own lock to reduce lock contention.

Approved by: re (rwatson)

Improve acquisition of transaction labels.
- Keep last transaction label for each destination.
- If the next label is not free, just give up.
- This should reduce CPU load for TX on if_fwip under hea

Improve acquisition of transaction labels.
- Keep last transaction label for each destination.
- If the next label is not free, just give up.
- This should reduce CPU load for TX on if_fwip under heavy load.

Approved by: re (hrs)

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Add a tunable hw.firewire.phydma_enable.

This is enabled by default. It should be disabled for
those who are uneasy with peeking/poking from FireWire.

Please note sbp(4) and dcons(4) over FireWire

Add a tunable hw.firewire.phydma_enable.

This is enabled by default. It should be disabled for
those who are uneasy with peeking/poking from FireWire.

Please note sbp(4) and dcons(4) over FireWire need
this feature.

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MFp4: MPSAFE firewire stack.
- lock its own locks and drop Giant.
- create its own taskqueue thread.
- split interrupt routine
- use interrupt filter as a fast interrupt.
- run watchdog timer in task

MFp4: MPSAFE firewire stack.
- lock its own locks and drop Giant.
- create its own taskqueue thread.
- split interrupt routine
- use interrupt filter as a fast interrupt.
- run watchdog timer in taskqueue so that it should be
serialized with the bottom half.
- add extra sanity check for transaction labels.
disable ad-hoc workaround for unknown tlabels.
- add sleep/wakeup synchronization primitives
- don't reset OHCI in fwohci_stop()

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MFp4: Simplify the bus probe routin using a kthread.

MFC after: 1 week

MFp4: Fix broken userland API for async packets.

- Introduce fw_xferlist_add/remove().
- Introduce fw_read/write_async().
- Remove unused FWACT_CH.

MFC after: 1 week

MFp4: remove unused fw_asybusy().

MFC after: 1 week

MFp4: Simplify tlabel handling

- Remove struct tl_label and runtime malloc() for it.
- Include tl_lable list in struct fw_xfer.
- Don't free unallocated tlabel.

MFC after: 1 week

Initialize configuration ROM before a bus reset.

MFC: after 3 days

Replace xfer->act.hand with xfer->hand.

Remove retry_count.

* Remove xfer->retry_req.
It is unnecessary because retry is done by OHCI.
Further retry should be done by applications.

Merge the dev_clone and dev_clone_cred event handlers into a single
event handler, dev_clone, which accepts a credential argument.
Implementors of the event can ignore it if they're not interested,
a

Merge the dev_clone and dev_clone_cred event handlers into a single
event handler, dev_clone, which accepts a credential argument.
Implementors of the event can ignore it if they're not interested,
and most do. This avoids having multiple event handler types and
fall-back/precedence logic in devfs.

This changes the kernel API for /dev cloning, and may affect third
party packages containg cloning kernel modules.

Requested by: phk
MFC after: 3 days

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Start each of the license/copyright comments with /*-, minor shuffle of lines

Do the dreaded s/dev_t/struct cdev */
Bump __FreeBSD_version accordingly.

Change u_intXX_t to uintXX_t. Change a couple of 'unsigned long's to
uint32_t where appropriate.

MFp4: FireWire
* all
- s/__FUNCTION__/__func__/.
Submitted by: Stefan Farfeleder <[email protected]>
- Compatibility for RELENG_4 and DragonFly.

* firewire
- Timestamp just before queuing.
- Ret

MFp4: FireWire
* all
- s/__FUNCTION__/__func__/.
Submitted by: Stefan Farfeleder <[email protected]>
- Compatibility for RELENG_4 and DragonFly.

* firewire
- Timestamp just before queuing.
- Retry bus probe if it fails.
- Use device_printf() for debug message.
- Invalidiate CROM while update.
- Don't process minimum/invalid CROM.

* sbp
- Add ORB_SHORTAGE flag.
- Add sbp.tags tunable.
- Revive doorbell support. It's not enabled by default.

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Remove __P().

MFp4:
* firewire
- Remove pending list.
- Ignore timeout for the FWXF_START state.
- Define M_FWMEM for debugging.
- Comment out DELAY() in fw_asybusy().
- Improve debugging messages
* sbp
- Fr

MFp4:
* firewire
- Remove pending list.
- Ignore timeout for the FWXF_START state.
- Define M_FWMEM for debugging.
- Comment out DELAY() in fw_asybusy().
- Improve debugging messages
* sbp
- Freeze simq while bus reset.

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Add a compatibility macro for FreeBSD-4.

MFp4: Change struct fw_xfer to reduce memory copy in fwmem_*() functions.
And many changes.

* all
- Major change of struct fw_xfer.
o {send,recv}.buf is splitted into hdr and payload.
o Remove

MFp4: Change struct fw_xfer to reduce memory copy in fwmem_*() functions.
And many changes.

* all
- Major change of struct fw_xfer.
o {send,recv}.buf is splitted into hdr and payload.
o Remove unnecessary fields.
o spd is moved under send and recv.
- Remove unnecessary 'volatile' keyword.
- Add definition of rtcode and extcode.

* firewire.c
- Ignore FWDEVINVAL devices in fw_noderesolve_nodeid().
- Check the existance of the bind before call STAILQ_REMOVE().
- Fix bug in the fw_bindadd().
- Change element of struct fw_bind for simplicity.
- Check rtcode of response packet.
- Reduce split transaction timeout to 200 msec.
(100msec is the default value in the spec.)
- Set watchdog timer cycle to 10 Hz.
- Set xfer->tv just before calling fw_get_tlabel().

* fwohci.c
- Simplifies fwohci_get_plen().

* sbp.c
- Fix byte order of multibyte scsi_status informations.
- Split sbp.c and sbp.h.
- Unit number is not necessary for FIFO¤ address.
- Reduce LOGIN_DELAY and SCAN_DELAY to 1 sec.
- Add some constants defineded in SBP-2 spec.

* fwmem.c
- Introduce fwmem_strategy() and reduce memory copy.

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