Merge from head up to r188941 (last revision before the USB stack switch)

Make "kldunload atapicam" return EBUSY instead of deadlocking when a device
created by atapicam is being kept opened or mounted. This is probably just
a temporary solution until we invent something

Make "kldunload atapicam" return EBUSY instead of deadlocking when a device
created by atapicam is being kept opened or mounted. This is probably just
a temporary solution until we invent something better.

Reviewed by: scottl
Approved by: rwatson (mentor)
Sponsored by: FreeBSD Foundation
Reported by: Jaakko Heinonen

show more ...

Prepare for future integration between CAM and newbus. xpt_bus_register
now takes a device_t to be the parent of the bus that is being created.
Most SIMs have been updated with a reasonable argument

Prepare for future integration between CAM and newbus. xpt_bus_register
now takes a device_t to be the parent of the bus that is being created.
Most SIMs have been updated with a reasonable argument, but a few exceptions
just pass NULL for now. This argument isn't used yet and the newbus
integration likely won't be ready until after 7.0-RELEASE.

show more ...

Start each of the license/copyright comments with /*-

Clean up the xpt_sim creation to mirror how HBA drivers perform this task.

Clean up node creation in the EDT so that initialization follows member
declaration.

Sort registered paths by pathid so th

Clean up the xpt_sim creation to mirror how HBA drivers perform this task.

Clean up node creation in the EDT so that initialization follows member
declaration.

Sort registered paths by pathid so that we probe busses in order of
ascending pathid. This makes hardwiring of busses without wiring
individual targets do what the user expects. (submitted by tegge@FreeBSD.org)

Fix an EDT node leak. Target nodes would never go away.

Implement xpt_bus_deregister().
(prodded by some patches from T. Ichinoseki, but implemented differently.)

show more ...

Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL"
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot). This is cons

Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL"
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot). This is consistant with the other
BSD's who made this change quite some time ago. More commits to come.

show more ...

$Id$ -> $FreeBSD$

xpt_release_devq now takes a count.

xpt_done has no reason to take a volatile ccb *.

Fix warnings preparing for -Wall -Wcast-qual

Also disable one usb module in LINT due to fatal compilation errors,
temporary.

CAM Transport Layer (XPT).

Submitted by: The CAM Team

MFp4: Large set of CAM inprovements.

- Unify bus reset/probe sequence. Whenever bus attached at boot or later,
CAM will automatically reset and scan it. It allows to remove duplicate
code from many

MFp4: Large set of CAM inprovements.

- Unify bus reset/probe sequence. Whenever bus attached at boot or later,
CAM will automatically reset and scan it. It allows to remove duplicate
code from many drivers.
- Any bus, attached before CAM completed it's boot-time initialization,
will equally join to the process, delaying boot if needed.
- New kern.cam.boot_delay loader tunable should help controllers that
are still unable to register their buses in time (such as slow USB/
PCCard/ CardBus devices), by adding one more event to wait on boot.
- To allow synchronization between different CAM levels, concept of
requests priorities was extended. Priorities now split between several
"run levels". Device can be freezed at specified level, allowing higher
priority requests to pass. For example, no payload requests allowed,
until PMP driver enable port. ATA XPT negotiate transfer parameters,
periph driver configure caching and so on.
- Frozen requests are no more counted by request allocation scheduler.
It fixes deadlocks, when frozen low priority payload requests occupying
slots, required by higher levels to manage theit execution.
- Two last changes were holding proper ATA reinitialization and error
recovery implementation. Now it is done: SATA controllers and Port
Multipliers now implement automatic hot-plug and should correctly
recover from timeouts and bus resets.
- Improve SCSI error recovery for devices on buses without automatic sense
reporting, such as ATAPI or USB. For example, it allows CAM to wait, while
CD drive loads disk, instead of immediately return error status.
- Decapitalize diagnostic messages and make them more readable and sensible.
- Teach PMP driver to limit maximum speed on fan-out ports.
- Make boot wait for PMP scan completes, and make rescan more reliable.
- Fix pass driver, to return CCB to user level in case of error.
- Increase number of retries in cd driver, as device may return several UAs.

show more ...

Make "kldunload atapicam" return EBUSY instead of deadlocking when a device
created by atapicam is being kept opened or mounted. This is probably just
a temporary solution until we invent something

Make "kldunload atapicam" return EBUSY instead of deadlocking when a device
created by atapicam is being kept opened or mounted. This is probably just
a temporary solution until we invent something better.

Reviewed by: scottl
Approved by: rwatson (mentor)
Sponsored by: FreeBSD Foundation
Reported by: Jaakko Heinonen

show more ...

Prepare for future integration between CAM and newbus. xpt_bus_register
now takes a device_t to be the parent of the bus that is being created.
Most SIMs have been updated with a reasonable argument

Prepare for future integration between CAM and newbus. xpt_bus_register
now takes a device_t to be the parent of the bus that is being created.
Most SIMs have been updated with a reasonable argument, but a few exceptions
just pass NULL for now. This argument isn't used yet and the newbus
integration likely won't be ready until after 7.0-RELEASE.

show more ...

Start each of the license/copyright comments with /*-

Clean up the xpt_sim creation to mirror how HBA drivers perform this task.

Clean up node creation in the EDT so that initialization follows member
declaration.

Sort registered paths by pathid so th

Clean up the xpt_sim creation to mirror how HBA drivers perform this task.

Clean up node creation in the EDT so that initialization follows member
declaration.

Sort registered paths by pathid so that we probe busses in order of
ascending pathid. This makes hardwiring of busses without wiring
individual targets do what the user expects. (submitted by tegge@FreeBSD.org)

Fix an EDT node leak. Target nodes would never go away.

Implement xpt_bus_deregister().
(prodded by some patches from T. Ichinoseki, but implemented differently.)

show more ...

Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL"
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot). This is cons

Change #ifdef KERNEL to #ifdef _KERNEL in the public headers. "KERNEL"
is an application space macro and the applications are supposed to be free
to use it as they please (but cannot). This is consistant with the other
BSD's who made this change quite some time ago. More commits to come.

show more ...

$Id$ -> $FreeBSD$

xpt_release_devq now takes a count.

xpt_done has no reason to take a volatile ccb *.

Fix warnings preparing for -Wall -Wcast-qual

Also disable one usb module in LINT due to fatal compilation errors,
temporary.

CAM Transport Layer (XPT).

Submitted by: The CAM Team