sys: Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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mlx: Remove unused devclass arguments to DRIVER_MODULE.

Ever since the block layer expanded its command syntax beyond just
BIO_READ and BIO_WRITE, we've handled this expanded syntax poorly in
drivers when the driver doesn't support a particular command.

Ever since the block layer expanded its command syntax beyond just
BIO_READ and BIO_WRITE, we've handled this expanded syntax poorly in
drivers when the driver doesn't support a particular command. Do a
sweep and fix that.

Reported by: imp

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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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sys/dev: minor spelling fixes.

Most affect comments, very few have user-visible effects.

Remove FreeBSD 4.x compat shims. Verified by md5.

Add locking to mlx(4) to make it MPSAFE along with some other fixes:
- Use callout(9) rather than timeout(9).
- Add a mutex as an I/O lock that protects the adapter and is used
for the I/O path.
-

Add locking to mlx(4) to make it MPSAFE along with some other fixes:
- Use callout(9) rather than timeout(9).
- Add a mutex as an I/O lock that protects the adapter and is used
for the I/O path.
- Add an sx lock as a configuration lock that protects the relationship
of configured volumes.
- Freeze the request queue when a DMA load is deferred with EINPROGRESS
and unfreeze the queue when the DMA callback is invoked.
- Explicitly poll the hardware while waiting to submit a command to
allow completed commands to free up slots in the command ring.
- Remove driver-wide 'initted' variable from mlx_*_fw_handshake() routines.
That state should be per-controller instead. Add it as an argument
since the first caller knows when it is the first caller.
- Remove explicit bus_space tag/handle and use bus_*() rather than
bus_space_*().
- Move duplicated PCI device ID probing into a mlx_pci_match() routine.
- Don't check for PCIM_CMD_MEMEN (the PCI bus will enable that when
allocating the resource) and use pci_enable_busmaster() rather than
manipulating the register directly.

Tested by: no one despite multiple requests (hope it works)

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Don't use PAGE_SIZE to calculate controller-specific attributes.

PR: kern/21220
Submitted by: Dennis Lindroos
MFC After: 1 week

Add missing <sys/module.h> includes

Change the disk(9) API in order to make device removal more robust.

Previously the "struct disk" were owned by the device driver and this
gave us problems when the device disappared and the users of

Change the disk(9) API in order to make device removal more robust.

Previously the "struct disk" were owned by the device driver and this
gave us problems when the device disappared and the users of that device
were not immediately disappearing.

Now the struct disk is allocate with a new call, disk_alloc() and owned
by geom_disk and just abandonned by the device driver when disk_create()
is called.

Unfortunately, this results in a ton of "s/\./->/" changes to device
drivers.

Since I'm doing the sweep anyway, a couple of other API improvements
have been carried out at the same time:

The Giant awareness flag has been flipped from DISKFLAG_NOGIANT to
DISKFLAG_NEEDSGIANT

A version number have been added to disk_create() so that we can detect,
report and ignore binary drivers with old ABI in the future.

Manual page update to follow shortly.

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Use __FBSDID().
Also some minor style cleanups.

Use bioq_flush() to drain a bio queue with a specific error code.
Retain the mistake of not updating the devstat API for now.

Spell bioq_disksort() consistently with the remaining bioq_*().

#includ

Use bioq_flush() to drain a bio queue with a specific error code.
Retain the mistake of not updating the devstat API for now.

Spell bioq_disksort() consistently with the remaining bioq_*().

#include <geom/geom_disk.h> where this is more appropriate.

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Centralize the devstat handling for all GEOM disk device drivers
in geom_disk.c.

As a side effect this makes a lot of #include <sys/devicestat.h>
lines not needed and some biofinish() calls can be r

Centralize the devstat handling for all GEOM disk device drivers
in geom_disk.c.

As a side effect this makes a lot of #include <sys/devicestat.h>
lines not needed and some biofinish() calls can be reduced to
biodone() again.

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Chase the musical variable names.

Pointy hat to: jhb
Reported by: des

Limit the maximum I/O size to 8 pages for version 2 controllers. This
fixes problems with some mlx(4) cards in Alpha machines.

Reviewed by: msmith (ages ago)

Fix a small fat-finger: s/mlxd/mxld/.

Reported by: Bob Willcox <[email protected]>

NO_GEOM cleanup:

Move to "struct disk*" centric API.
Retire major #131 (mlxd)

NO_GEOM cleanup:

Change the argument to disk_destroy() to be the same struct disk * as
disk_create() takes.

This enables drivers to ignore the (now) bogus dev_t which disk_create()
returns.

(This commit touches about 15 disk device drivers in a very consistent
and predictable way, and I apologize if I have gotten it wrong anywhere,
getting prior review on a patch like this is not feasib

(This commit touches about 15 disk device drivers in a very consistent
and predictable way, and I apologize if I have gotten it wrong anywhere,
getting prior review on a patch like this is not feasible, considering
the number of people involved and hardware availability etc.)

If struct disklabel is the messenger: kill the messenger.

Inside struct disk we had a struct disklabel which disk drivers used to
communicate certain metrics to the disklayer above (GEOM or the disk
mini-layer). This commit changes this communication to use four
explicit fields instead.

Amongst the benefits is that the fields do not get overwritten by
wrong or bogus on-disk disklabels.

Once that is clear, <sys/disk.h> which is included in the drivers
no longer need to pull <sys/disklabel.h> and <sys/diskslice.h> in,
the few places that needs them, have gotten explicit #includes for
them.

The disklabel inside struct disk is now only for internal use in
the disk mini-layer, so instead of embedding it, we malloc it as
we need it.

This concludes (modulus any mistakes) the series of disklabel related
commits.

I belive it all amounts to a NOP for all the rest of you :-)

Sponsored by: DARPA & NAI Labs.

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KSE Milestone 2
Note ALL MODULES MUST BE RECOMPILED
make the kernel aware that there are smaller units of scheduling than the
process. (but only allow one thread per process at this time).
This is fu

KSE Milestone 2
Note ALL MODULES MUST BE RECOMPILED
make the kernel aware that there are smaller units of scheduling than the
process. (but only allow one thread per process at this time).
This is functionally equivalent to teh previousl -current except
that there is a thread associated with each process.

Sorry john! (your next MFC will be a doosie!)

Reviewed by: [email protected], [email protected]

X-MFC after: ha ha ha ha

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Driver modifications consistent with my other drivers to facilitate
the use of a single set of sources across 4.x and 5.x branches.

No significant code changes.

Fix warning: 193: warning: label `done' defined but not used

Make the disk mini-layer check for and handle zero-length transfers
instead of the underlying drivers.

Actually biofinish(struct bio *, struct devstat *, int error) is more general
than the bioerror().

Most of this patch is generated by scripts.