marcel [Tue, 24 Nov 2009 03:38:42 +0000 (03:38 +0000)]
MFC r199274, r199284:
Fix an obvious panic by not casting from a pointer that is 4-bytes
alignment to a type that needs 8-byte alignment, and thus causing
misaligned memory references.
marcel [Tue, 24 Nov 2009 03:17:00 +0000 (03:17 +0000)]
MFC r198338:
o Align function on a 32-byte boundary so that the core's front-end
can deliver 2 bundles per cycle to the back-end.
o Mark syscall stubs with a special unwind ABI tag so that unwind
libraries know how to unwind.
mav [Mon, 23 Nov 2009 09:26:30 +0000 (09:26 +0000)]
MFC r197611, r197640:
- Add some bits of HDMI/DisplayPort support from later specification updates.
It may be not enough to make them work, but at least should give some
information about these beasts.
- Add Realtek ALC887 codec ID.
mav [Mon, 23 Nov 2009 08:56:17 +0000 (08:56 +0000)]
MFC r199259, r199262, r199322:
Change the way in which AHCI+PATA combined controllers, such as JMicron
are handled. Instead of trying to attach two different drivers to
single device, wrapping each call, make one of them (atajmicron)
attach do device solely, but create child device for AHCI driver,
passing it all required resources. It is quite easy, as none of
resources are shared, except IRQ.
Add support for AHCI SATA parts of alike SATA+PATA MArvell controllers.
Add IDs of Marvell 88SX6102, 88SX6111. 88SX6141 controllers.
As result, it:
- makes drivers operation more independent and straitforward,
- allows to use new ahci(4) driver with such devices, adding support for
new features, such as PMP and NCQ, same time keeping legacy PATA support,
- will allow to just drop old ataahci driver, when it's time come.
mav [Mon, 23 Nov 2009 08:46:26 +0000 (08:46 +0000)]
MFC r198752:
Allow SATA1 SiI chips to do full-sized DMA. Specification tells that we may
release DMA constrants even more, but it require some additional handling.
mav [Mon, 23 Nov 2009 08:45:17 +0000 (08:45 +0000)]
MFC r198717:
- Remove most of direct relations between ATA(4) peripherial and controller
levels. It makes logic more transparent and is a mandatory step to wrap
ATA(4) controller level into ATA-native CAM SIM.
- Tune AHCI and SATA2 SiI drivers memory allocation a bit to allow bigger
I/O transaction sizes without additional cost.
ume [Sun, 22 Nov 2009 17:25:11 +0000 (17:25 +0000)]
MFC r199179, r199271:
- Add unit to the short month names for Japanese locales.
Without unit, the output of the application like ls(1)
is complicated.
- Since %b contains unit, %b is not suitable for c_fmt,
now. Use %_m instead.
attilio [Sun, 22 Nov 2009 16:04:49 +0000 (16:04 +0000)]
MFC r199208, r199223:
Move inet_aton() (specular to inet_ntoa(), already present in libkern)
into libkern in order to made it usable by other modules than alias_proxy.
attilio [Sun, 22 Nov 2009 15:57:08 +0000 (15:57 +0000)]
MFC r199210:
Introduce the new loader compile-time option BOOT_PROMPT_123 which allows
to enter the loader prompt just after entering the sequence "123".
attilio [Sun, 22 Nov 2009 15:53:39 +0000 (15:53 +0000)]
MFC r199209:
Fix a potential buffer boundaries overflow in devclass_add_device() by
using all available int lenghts digits for storing the information.
kuriyama [Sun, 22 Nov 2009 14:32:32 +0000 (14:32 +0000)]
- MFC r199067,199215,199253
- Add hw.clflush_disable loader tunable to avoid panic (trap 9) at
map_invalidate_cache_range() even if CPU is not Intel.
- This tunable can be set to -1 (default), 0 and 1. -1 is same as
current behavior, which automatically disable CLFLUSH on Intel CPUs
without CPUID_SS (should be occured on Xen only). You can specify 1
when this panic happened on non-Intel CPUs (such as AMD's). Because
disabling CLFLUSH may reduce performance, you can try with setting 0
on Intel CPUs without SS to use CLFLUSH feature.
- Amd64 init_secondary() calls initializecpu() while curthread is
still not properly set up. r199067 added the call to
TUNABLE_INT_FETCH() to initializecpu() that results in hang because
AP are started when kernel environment is already dynamic and thus
needs to acquire mutex, that is too early in AP start sequence to
work.
Extract the code that should be executed only once, because it sets
up global variables, from initializecpu() to initializecpucache(),
and call the later only from hammer_time() executed on BSP. Now,
TUNABLE_INT_FETCH() is done only once at BSP at the early boot
stage.
rnoland [Sat, 21 Nov 2009 15:02:35 +0000 (15:02 +0000)]
MFC 198420
Correct some issues with zfs boot.
- Teach it to read gang blocks. (essentially untested)
If you see "ZFS: gang block detected!", please let
me know, so we can either remove the printf if it
works, or fix it if it doesn't.
- If multiple partitions exist on a disk, probe them all.
We also need to reset dsk->start to 0 to read the right
sector here.
- With GPT, we can have 128 partitions.
- If the bootfs property has ever been set on a pool
it seems that it never goes away. zpool won't allow
you to add to the pool with the bootfs property set.
However, if you clear the property back to default
we end up getting 0 for the object number and read
a bogus block pointer and fail to boot.
- Fix some error printfs. The printf in the loader is
only capable of c,s and u formats.
ume [Fri, 20 Nov 2009 06:54:47 +0000 (06:54 +0000)]
MFC r199225:
- We are not guaranteed that we're not dropping a reference that
we did not add. Call LLE_REMREF() only when callout_stop()
actually canceled a pending callout.
- callout_reset() may cancel a pending callout. When
callout_reset() canceled a pending callout, call LLE_REMREF()
to drop a reference for the canceled callout.
mav [Tue, 17 Nov 2009 21:45:28 +0000 (21:45 +0000)]
MFC r196964:
Do not check proper request alignment here in geom_dev in production.
It will be checked any way later by g_io_check() in g_io_schedule_down().
It is only needed here to not trigger panic from additional check, when
INVARIANTS enabled. So cover it with #ifdef INVARIANTS. It saves two
64bit divisions per request.
mav [Tue, 17 Nov 2009 21:43:42 +0000 (21:43 +0000)]
MFC r196904:
Remove msleep() timeout from g_io_schedule_up/down(). It works fine
without it, saving few percents of CPU on high request rates without
need to rearm callout twice per request.
mav [Tue, 17 Nov 2009 21:42:11 +0000 (21:42 +0000)]
MFC r196837:
Remove artificial MAX_IO_SIZE constant, equal to DFLTPHYS * 2. Use MAXPHYS
instead. It is NULL change for GENERIC kernel, but allows 'fast' mode to
work on systems with increased MAXPHYS.
mav [Tue, 17 Nov 2009 21:23:05 +0000 (21:23 +0000)]
MFC r199178:
- Move tagged queueing control from ADA to ATA XPT. It allows to control
device command queue length correctly. First step to support < 32 tags.
- Limit queue for non-tagged devices by 2 slots for ahci(4) and siis(4).
- Implement quirk matching for ATA devices.
- Move xpt_schedule_dev_sendq() from header to source file.
- Move delayed queue shrinking to the more expected place - element freeing.
- Remove some SCSIsms in ATA.
mav [Tue, 17 Nov 2009 21:09:47 +0000 (21:09 +0000)]
MFC r198899:
- Remove CAM_PERIPH_POLLED flag. It is broken by design. Polling can't be
periph flag. May be SIM, may be CCB, but now it works fine just without it.
- Remove check unused for at least five years. If we will ever have non-BIO
devices in CAM, this check is smallest of what we will need.
- If several controllers complete requests same time, call swi_sched()
only once.
mav [Tue, 17 Nov 2009 21:08:12 +0000 (21:08 +0000)]
MFC r198897:
- Add support for sector size > 512 bytes and physical sector of several
logical sectors, introduced by ATA-7 specification.
- Remove some obsoleted code.
mav [Tue, 17 Nov 2009 21:00:02 +0000 (21:00 +0000)]
MFC r198896:
Do not unarm callout on request completion and change slot selection
algorithm as done in ahci(4). This saves some CPU time on high request
rates.
mav [Tue, 17 Nov 2009 20:59:00 +0000 (20:59 +0000)]
MFC r198852:
- Rework timeout handling, to make it more graceful for devices sharing
controller port (with PMP). Wait for other commands completion/timeout
before initiating recovery.
- Handle timeouts and fatal errors with port hard-reset. The rest of
recovery will be done by XPT on receiving async event. More gracefull
per-device soft-reset recovery can be implemented later.
mav [Tue, 17 Nov 2009 20:57:35 +0000 (20:57 +0000)]
MFC r198851:
- Handle timeouts and fatal errors with port hard-reset. The rest of
recovery will be done by XPT on receiving async event. More gracefull
per-device soft-reset recovery can be implemented later.
- Add workaround for ATI SB600/SB700 PMP probe related bug, to speedup boot.
mav [Tue, 17 Nov 2009 20:54:52 +0000 (20:54 +0000)]
MFC r198832:
Provide the same sanity check on the sector size in dagetcapacity as when the
disk is first probed. dagetcapacity is called whenever the disk is opened from
geom via d_open(), a zero sector size will cause geom to panic later on.
mav [Tue, 17 Nov 2009 20:49:26 +0000 (20:49 +0000)]
MFC r198748, r198782:
Fix reference counting bug, when device unreferenced before
invalidated. To do it, do not handle validity flag as another
reference, but explicitly modify reference count each time flag is
modified.
The async callback could free the device. If it is a broadcast async,
it doesn't hold device reference, so take our own reference.
mav [Tue, 17 Nov 2009 20:43:04 +0000 (20:43 +0000)]
MFC r198708:
- Reduce code duplication in ATA XPT and PMP driver.
- Move PIO size setting from ada driver to ATA XPT. It is XPT business
to negotiate transfer details. ada driver is now stateless.
- Report PIO size to SIM. It is required for correct PATA SIM operation.
- Tune PMP scan timings. It workarounds some problems with SiI.
- If reset hapens during PMP initialization - restart it.
- Introduce early-initialized periph drivers, which are used during initial
scan process. Use it for xpt, probe, aprobe and pmp. It gives pmp chance
to finish scan before mountroot and numerate devices in right order.
mav [Tue, 17 Nov 2009 20:41:15 +0000 (20:41 +0000)]
MFC r198705:
Ensure target/lun passed from user-level supported on this bus.
Scanning unsupported IDs causes different issues from duplicate
devices to system crash.
mav [Tue, 17 Nov 2009 20:17:48 +0000 (20:17 +0000)]
MFC r198389:
Move Port Multiplier support code out of ATA XPT into pmp periph driver.
This is convinient, as PMP itself is a bus target and has own state.
mav [Tue, 17 Nov 2009 19:40:39 +0000 (19:40 +0000)]
MFC r198319:
On error, freeze device queue, to allow periph driver to do proper recovery.
Freeze SIM queue only in some cases, when it is needed to protect SIM.
Implement better command timeout detection logic for non-queued commands.
This fixes false positives when command with short timeout waiting for the
long one. For example, when hald tastes CD during burning process.
kib [Tue, 17 Nov 2009 18:38:00 +0000 (18:38 +0000)]
MFC r198505:
When protection of wired read-only mapping is changed to read-write,
install new shadow object behind the map entry and copy the pages
from the underlying objects to it. This makes the mprotect(2) call to
actually perform the requested operation instead of silently do nothing
and return success, that causes SIGSEGV on later write access to the
mapping.
Reuse vm_fault_copy_entry() to do the copying, modifying it to behave
correctly when src_entry == dst_entry.
jhb [Tue, 17 Nov 2009 16:17:11 +0000 (16:17 +0000)]
MFC 198990:
Several years ago a feature was added to TCP that casued soreceive() to
send an ACK right away if data was drained from a TCP socket that had
previously advertised a zero-sized window. The current code requires the
receive window to be exactly zero for this to kick in. If window scaling is
enabled and the window is smaller than the scale, then the effective window
that is advertised is zero. However, in that case the zero-sized window
handling is not enabled because the window is not exactly zero. The fix
changes the code to check the raw window value against zero.
jhb [Tue, 17 Nov 2009 15:28:14 +0000 (15:28 +0000)]
MFC 198820:
Ensure 'kvm' is always initialized. If "-M" was not specified and the
garbage value on the stack was not zero, then 'ddb capture' would try to
use the garbage value as a kvm_t pointer.
mav [Tue, 17 Nov 2009 15:04:58 +0000 (15:04 +0000)]
MFC r198331:
Separate CAM_DEV_IDENTIFY_DATA_VALID flag from CAM_DEV_INQUIRY_DATA_VALID.
Add workaround for very old devices without support for mode setting.
Add some PATA bus scanning support.
Remove some SCSIsms.
mav [Tue, 17 Nov 2009 14:56:00 +0000 (14:56 +0000)]
MFC r198328:
Add support for PIO-only devices.
Fix maxio values and 256 sectors transactions for 28bits commands.
Implement periodic ordered commands insertion, sames as da driver does.
Remove some SCSIsms.
bz [Tue, 17 Nov 2009 14:30:09 +0000 (14:30 +0000)]
MFC r198049:
Immediately after clearing a pending callout that didn't make it due
to the lock we hold, disable interrupts, and announce to the firmware
that we are shutting down. Especially do this before disabling blocks.
This makes some types of machines with asf enabled no longer hang upon
boot, when we start configuring the interface.
projects / FreeBSD / stable / 8.git / log