Commit Graph

11007 Commits

Author SHA1 Message Date
Michael S. Tsirkin
7454e51d2b pc.c: better error message on initrd sizing failure
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05 16:55:50 +02:00
Michael S. Tsirkin
d160024fe5 pc_piix: enable legacy hotplug for Xen
xenfv has no fwcfg and so does not load acpi from QEMU.
as such new acpi features don't work.

Reported-by: Sander Eikelenboom <linux@eikelenboom.it>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05 16:55:50 +02:00
Igor Mammedov
e358edc8e9 hw:piix4:acpi: reuse pcihp code for legacy PCI hotplug
reduces acpi PCI hotplug code duplication by ~200LOC

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05 16:55:50 +02:00
Igor Mammedov
99d09dd328 pcihp: make pci_read() mmio calback compatible with legacy ACPI hotplug
due to recent change introduced by:
"pcihp: reduce number of device check events"

'up' field is cleared right after it's read.
This is incompatible with legacy BIOS ACPI code
where PCNF ACPI method reads this field 32 times.

To make pci_read mmio callback compatible with legacy
'up' behavior, pcihp code will need to know in which
mode it runs add 'legacy_piix' field to AcpiPciHpState
structure and alter register behavior accordingly.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05 16:55:49 +02:00
Igor Mammedov
a7b613cf68 pcihp: make PCI hotplug mmio handlers indifferent to PCI_HOTPLUG_ADDR
... removes dependency of mmio handler on PCI_HOTPLUG_ADDR.
It will be needed in case of Q35 where base could be different.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05 16:55:49 +02:00
Igor Mammedov
8f5001f9ed pcihp: replace enable|disable_device() with oneliners
enable_device() and disable_device() functions aren't reused anywere,
so replace them with respective oneliners at call sites.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05 16:55:49 +02:00
Michael S. Tsirkin
5a2223ca26 pcihp: reduce number of device check events
PIIX created a made-up value for the UP register since it was read by
guest 32 times for each interrupt.
There's no reason to do this for the new PCIHP: register is only read
once for each interrupt, so clean up code by making read act as an
interrupt acknowledgement: the new UP register clear on read.

In this way we cut down the number of bus rescans
by a factor of 32, and drop a bunch of code that's
now unused.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-02-05 16:55:49 +02:00
Peter Maydell
2b2449f7e4 This patch set contains the sclp defines and events for cpu hotplug,
the initial sclp defines (without code yet) for standby memory (some
 sort of memory hotplug) as well as a cleanup of the kvm register
 synchronization.
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Merge remote-tracking branch 'remotes/borntraeger/tags/kvm-s390-20140131' into staging

This patch set contains the sclp defines and events for cpu hotplug,
the initial sclp defines (without code yet) for standby memory (some
sort of memory hotplug) as well as a cleanup of the kvm register
synchronization.

# gpg: Signature made Fri 31 Jan 2014 08:54:29 GMT using RSA key ID B5A61C7C
# gpg: Can't check signature: public key not found

* remotes/borntraeger/tags/kvm-s390-20140131:
  s390x/kvm: cleanup partial register handling
  sclp-s390: Define new SCLP codes and structures
  s390-sclp: SCLP Event integration
  s390-sclp: SCLP CPU Info
  s390-sclp: Define New SCLP Codes

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-04 18:46:33 +00:00
Edgar E. Iglesias
ce603d8ef1 cris: Remove the CRIS PIC glue
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-03 14:04:00 +00:00
Edgar E. Iglesias
4a6da670f8 axis-dev88: Connect the PIC upstream IRQs directly to the CPU
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
2014-02-03 14:03:59 +00:00
Peter Maydell
2f61120c10 Merge remote-tracking branch 'qmp-unstable/queue/qmp' into staging
* qmp-unstable/queue/qmp:
  monitor: Cleanup mon->outbuf on write error
  virtio_rng: replace custom backend API with UserCreatable.complete() callback
  add optional 2nd stage initialization to -object/object-add commands
  vl.c: -object: don't ignore duplicate 'id'
  object_add: consolidate error handling

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-01 23:32:31 +00:00
Peter Maydell
b4a8c9ae97 target-arm queue:
* implementation of first part of the A64 Neon instruction set
  * v8 AArch32 rounding and 16<->64 fp conversion instructions
  * fix MIDR value on Zynq boards
  * some minor bugfixes/code cleanups
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Merge remote-tracking branch 'pmaydell/tags/pull-target-arm-20140131' into staging

target-arm queue:
 * implementation of first part of the A64 Neon instruction set
 * v8 AArch32 rounding and 16<->64 fp conversion instructions
 * fix MIDR value on Zynq boards
 * some minor bugfixes/code cleanups

# gpg: Signature made Fri 31 Jan 2014 15:06:34 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"

* pmaydell/tags/pull-target-arm-20140131: (34 commits)
  arm_gic: Fix GICD_ICPENDR and GICD_ISPENDR writes
  arm_gic: Introduce define for GIC_NR_SGIS
  target-arm: A64: Add SIMD shift by immediate
  target-arm: A64: Add simple SIMD 3-same floating point ops
  target-arm: A64: Add integer ops from SIMD 3-same group
  target-arm: A64: Add logic ops from SIMD 3 same group
  target-arm: A64: Add top level decode for SIMD 3-same group
  target-arm: A64: Add SIMD scalar 3 same add, sub and compare ops
  target-arm: A64: Add SIMD three-different ABDL instructions
  target-arm: A64: Add SIMD three-different multiply accumulate insns
  target-arm: Add AArch32 SIMD VCVTA, VCVTN, VCVTP and VCVTM
  target-arm: Add AArch32 FP VCVTA, VCVTN, VCVTP and VCVTM
  target-arm: Add AArch32 SIMD VRINTA, VRINTN, VRINTP, VRINTM, VRINTZ
  target-arm: Add set_neon_rmode helper
  target-arm: Add support for AArch32 SIMD VRINTX
  target-arm: Add support for AArch32 FP VRINTX
  target-arm: Add support for AArch32 FP VRINTZ
  target-arm: Add support for AArch32 FP VRINTR
  target-arm: Add AArch32 FP VRINTA, VRINTN, VRINTP and VRINTM
  target-arm: Move arm_rmode_to_sf to a shared location.
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-01 23:06:26 +00:00
Peter Maydell
850bbe1b94 vfio-pci updates include:
- Destroy MemoryRegions on device teardown
  - Print warnings around PCI option ROM failures
  - Skip bogus mappings from 64bit BAR sizing
  - Act on DMA mapping failures
  - Fix alignment to avoid MSI-X table mapping
  - Fix debug macro typo
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Merge remote-tracking branch 'remotes/awilliam/tags/vfio-pci-for-qemu-20140128.0' into staging

vfio-pci updates include:
 - Destroy MemoryRegions on device teardown
 - Print warnings around PCI option ROM failures
 - Skip bogus mappings from 64bit BAR sizing
 - Act on DMA mapping failures
 - Fix alignment to avoid MSI-X table mapping
 - Fix debug macro typo

# gpg: Signature made Tue 28 Jan 2014 15:27:47 GMT using RSA key ID 3BB08B22
# gpg: Can't check signature: public key not found

* remotes/awilliam/tags/vfio-pci-for-qemu-20140128.0:
  vfio: correct debug macro typo
  vfio: fix mapping of MSIX bar
  kvm: initialize qemu_host_page_size
  vfio-pci: Fail initfn on DMA mapping errors
  vfio: Filter out bogus mappings
  vfio: Do not reattempt a failed rom read
  vfio: warn if host device rom can't be read
  vfio: Destroy memory regions

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-02-01 21:08:06 +00:00
Christoffer Dall
5b0adce156 arm_gic: Fix GICD_ICPENDR and GICD_ISPENDR writes
Fix two bugs that would allow changing the state of SGIs through the
ICPENDR and ISPENDRs.

Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31 14:47:38 +00:00
Christoffer Dall
41ab7b5510 arm_gic: Introduce define for GIC_NR_SGIS
Instead of hardcoding 16 various places in the code, use a define to
make it more clear what is going on.

Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31 14:47:38 +00:00
Paolo Bonzini
2cdaca90dd display: avoid multi-statement macro
For blizzard, pl110 and tc6393xb this is harmless, but for pxa2xx
Coverity noticed that it is used inside an "if" statement.
Fix it because it's the file with the highest number of defects
in the whole QEMU tree!  Use "do...while (0)", or just remove the
semicolon if there's a single statement in the macro.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31 14:47:33 +00:00
Alistair Francis
b48adc0d30 ZYNQ: Implement board MIDR control for Zynq
This patch uses the fact that the midr variable is now a property
This patch sets the midr variable to the boards custom midr

Signed-off-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: a3754b10d150af72e4688a993e484fa2b9b8fa21.1390176489.git.alistair.francis@xilinx.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31 14:47:33 +00:00
Peter Maydell
83bfffec72 hw/arm/boot: Don't set up ATAGS for autogenerated dtb booting
The code which decides whether to set up the ATAGS data structure on
reset was using the wrong conditional, which meant we were creating
an ATAGS structure when doing a device-tree boot if the dtb was
autogenerated by the board. This is harmless, but unnecessary, so
bring it in to line with user-provided-dtb boots.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Message-id: 1388326833-656-1-git-send-email-peter.maydell@linaro.org
2014-01-31 14:47:32 +00:00
Peter Maydell
0159a64397 acpi,pci,pc,virtio fixes and enhancements
This includes new unit-tests for acpi by Marcel,
 hotplug for pci bridges by myself (piix only so far)
 and cpu hotplug for q35.
 And a bunch of fixes all over the place as usual.
 
 I included the patch to fix memory alignment for q35
 as well - even though it limits 32 bit guests to 3G (they
 previously could address more memory with PAE).
 To remove the limit, this will have to be fixed in seabios.
 
 I also added self as virtio co-maintainer so I don't need
 to troll the list for patches to review.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'mst/tags/for_anthony' into staging

acpi,pci,pc,virtio fixes and enhancements

This includes new unit-tests for acpi by Marcel,
hotplug for pci bridges by myself (piix only so far)
and cpu hotplug for q35.
And a bunch of fixes all over the place as usual.

I included the patch to fix memory alignment for q35
as well - even though it limits 32 bit guests to 3G (they
previously could address more memory with PAE).
To remove the limit, this will have to be fixed in seabios.

I also added self as virtio co-maintainer so I don't need
to troll the list for patches to review.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Sun 26 Jan 2014 11:12:09 GMT using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>"
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* mst/tags/for_anthony: (35 commits)
  MAINTAINERS: add self as virtio co-maintainer
  q35: document gigabyte_align
  q35: gigabyte alignment for ram
  acpi: Fix PCI hole handling on build_srat()
  pc: Save size of RAM below 4GB
  hw/pci: fix error flow in pci multifunction init
  acpi-test: update expected AML since recent changes
  pc: ACPI: update acpi-dsdt.hex.generated q35-acpi-dsdt.hex.generated
  pc: ACPI: unify source of CPU hotplug IO base/len
  pc: ACPI: expose PRST IO range via _CRS
  pc: Q35 DSDT: exclude CPU hotplug IO range from PCI bus resources
  pc: PIIX DSDT: exclude CPU/PCI hotplug & GPE0 IO range from PCI bus resources
  pc: set PRST base in DSDT depending on chipset
  acpi: ich9: add CPU hotplug handling to Q35 machine
  acpi: factor out common cpu hotplug code for PIIX4/Q35
  acpi-build: enable hotplug for PCI bridges
  piix4: add acpi pci hotplug support
  pcihp: generalization of piix4 acpi
  pci: add pci_for_each_bus_depth_first
  pc: make: fix dependencies: rebuild when included file is changed
  ...

Message-id: 1390735289-15563-1-git-send-email-mst@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31 00:23:27 +00:00
Peter Maydell
97374ce538 Merge remote-tracking branch 'sstabellini/xen-170114' into staging
* sstabellini/xen-170114:
  xen_pt: Fix passthrough of device with ROM.
  xen_pt: Fix debug output.
  xenfb: map framebuffer read-only and handle unmap errors

Message-id: alpine.DEB.2.02.1401171537140.21510@kaball.uk.xensource.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-31 00:13:02 +00:00
Peter Maydell
8e02b35926 Net patches
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Merge remote-tracking branch 'stefanha/tags/net-pull-request' into staging

Net patches

# gpg: Signature made Mon 27 Jan 2014 14:45:35 GMT using RSA key ID 81AB73C8
# gpg: Can't check signature: public key not found

* stefanha/tags/net-pull-request:
  tap-linux: Get features once and use it many times
  Fix lan9118 buffer length handling
  Fix lan9118 TX "CMD A" handling
  net: Use g_strdup_printf instead of snprintf.

Message-id: 1390834129-19625-1-git-send-email-stefanha@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-30 22:25:39 +00:00
Peter Maydell
0706f7c85b trivial-patches for 2014-01-16
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Merge remote-tracking branch 'mjt/tags/trivial-patches-2014-01-16' into staging

trivial-patches for 2014-01-16

# gpg: Signature made Thu 16 Jan 2014 17:29:05 GMT using RSA key ID 74F0C838
# gpg: Good signature from "Michael Tokarev <mjt@tls.msk.ru>"
# gpg:                 aka "Michael Tokarev <mjt@corpit.ru>"
# gpg:                 aka "Michael Tokarev <mjt@debian.org>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 6EE1 95D1 886E 8FFB 810D  4324 457C E0A0 8044 65C5
#      Subkey fingerprint: E190 8639 3B10 B51B AC2C  8B73 5253 C5AD 74F0 C838

Message-id: 1389893719-16336-1-git-send-email-mjt@msgid.tls.msk.ru
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2014-01-30 13:56:00 +00:00
Igor Mammedov
57d3e1b3f5 virtio_rng: replace custom backend API with UserCreatable.complete() callback
in addition fix default backend leak by releasing it if its
initialization failed.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
2014-01-28 12:47:11 -05:00
Bandan Das
8b6d14087d vfio: correct debug macro typo
Change to DEBUG_VFIO in vfio_msi_interrupt() for debug
messages to get printed

Signed-off-by: Bandan Das <bsd@redhat.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2014-01-28 08:23:19 -07:00
Roy Franz
c444dfabfc Fix lan9118 buffer length handling
The 9118 ethernet controller supports transmission of multi-buffer packets
with arbitrary byte alignment of the start and end bytes.  All writes to
the packet fifo are 32 bits, so the controller discards bytes at the beginning
and end of each buffer based on the 'Data start offset' and 'Buffer size'
of the TX command 'A' format.

This patch uses the provided buffer length to limit the bytes transmitted.
Previously all the bytes of the last 32-bit word written to the TX fifo
were added to the internal transmit buffer structure resulting in more bytes
being transmitted than were submitted to the hardware in the command.  This
resulted in extra bytes being inserted into the middle of multi-buffer
packets when the non-final buffers had non-32bit aligned ending addresses.

Signed-off-by: Roy Franz <roy.franz@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-01-27 15:44:06 +01:00
Roy Franz
2ad657e3f3 Fix lan9118 TX "CMD A" handling
The 9118 ethernet controller supports transmission of multi-buffer packets
with arbitrary byte alignment of the start and end bytes.  All writes to
the packet fifo are 32 bits, so the controller discards bytes at the beginning
and end of each buffer based on the 'Data start offset' and 'Buffer size'
of the TX command 'A' format.

This patch changes the buffer size and offset internal state variables to be
updated on every "TX command A" write.  Previously they were only updated for
the first segment, which resulted incorrect behavior for packets with more
than one segment. Each segment of the packet has its own CMD A command, with
its own buffer size and start offset.

Also update extraction of fields from the CMD A word to use extract32().

Signed-off-by: Roy Franz <roy.franz@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2014-01-27 15:44:06 +01:00
Michael S. Tsirkin
4e17997d49 q35: document gigabyte_align
Document the logic behind the below/above 4G split.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:45 +02:00
Gerd Hoffmann
9a305c8fc7 q35: gigabyte alignment for ram
Map 2G (q35) of memory below 4G, so the RAM pieces
are nicely aligned to gigabyte borders.

Keep old memory layout for (a) old machine types and (b) in case all
memory fits below 4G and thus we don't have to split RAM into pieces
in the first place.  The later makes sure this change doesn't take
away memory from 32bit guests.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:45 +02:00
Eduardo Habkost
4c8a949b24 acpi: Fix PCI hole handling on build_srat()
The original SeaBIOS code used the RamSize variable, that was used by
SeaBIOS for the size of RAM below 4GB, not for all RAM. When copied to
QEMU, the code was changed to use the full RAM size, and this broke the
build_srat() code that handles the PCI hole.

Change build_srat() to use ram_size_below_4g instead of ram_size, to
restore the original behavior from SeaBIOS.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:45 +02:00
Eduardo Habkost
f30ee8a968 pc: Save size of RAM below 4GB
The ram_below_4g value will be useful in other places, such as the ACPI
table code, and other code that currently requires passing
below_4g_mem_size around in function arguments.

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:45 +02:00
Marcel Apfelbaum
306077640a hw/pci: fix error flow in pci multifunction init
Scenario:
  - There is a non multifunction pci device A on 00:0X.0.
  - Hot-plug another multifunction pci device B at 00:0X.1.
  - The operation will fail of course.
  - Try to hot-plug the B device 2-3 more times, qemu will crash.

Reason: The error flow leaves the B's address space into global address spaces
list, but the device object is freed. Fixed that.

Signed-off-by: Marcel Apfelbaum <marcel.a@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:45 +02:00
Igor Mammedov
2867534f3d pc: ACPI: update acpi-dsdt.hex.generated q35-acpi-dsdt.hex.generated
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Igor Mammedov
e4cf8ed08a pc: ACPI: unify source of CPU hotplug IO base/len
use C headers defines as source of IO base/len for respective
values in ASL code.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Igor Mammedov
61a3f63560 pc: ACPI: expose PRST IO range via _CRS
.. so OSPM could notice resource conflict if there is any.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Igor Mammedov
562e56a9f8 pc: Q35 DSDT: exclude CPU hotplug IO range from PCI bus resources
... for range defined at hw/acpi/ich9.c:ICH9_PROC_BASE

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Igor Mammedov
1aa149b479 pc: PIIX DSDT: exclude CPU/PCI hotplug & GPE0 IO range from PCI bus resources
.. so that they might not be used by PCI devices.

Note:
Resort to concatenating templates with preprocessor help,
because 1.0b spec isn't supporting ConcatenateResTemplate,
as result Windows XP fails to execute PCI0._CRS method if
ConcatenateResTemplate() is used.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Igor Mammedov
4782434f3c pc: set PRST base in DSDT depending on chipset
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Igor Mammedov
d6610bc2ad acpi: ich9: add CPU hotplug handling to Q35 machine
.. use IO port 0cd8-0xcf7 range for CPU present bitmap

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Igor Mammedov
81cea5e7f2 acpi: factor out common cpu hotplug code for PIIX4/Q35
.. so it could be used for adding CPU hotplug to Q35 machine

Add an additional header with that will be shared between
C and ASL code: include/hw/acpi/cpu_hotplug_defs.h

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Michael S. Tsirkin
99fd437dee acpi-build: enable hotplug for PCI bridges
This enables support for device hotplug behind
pci bridges. Bridge devices themselves need
to be pre-configured on qemu command line.

Design:
    - at machine init time, assign "bsel" property to bridges with
      hotplug support
    - dynamically (At ACPI table read) generate ACPI code to handle
      hotplug events for each bridge with "bsel" property

Note: ACPI doesn't support adding or removing bridges by hotplug.
We detect and prevent removal of bridges by hotplug,
unless they were added by hotplug previously
(and so, are not described by ACPI).

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Michael S. Tsirkin
9e047b9824 piix4: add acpi pci hotplug support
Add support for acpi pci hotplug using the
new infrastructure.
PIIX4 legacy interface is maintained as is for
machine types 1.7 and older.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:11:44 +02:00
Michael S. Tsirkin
db4728e6fe pcihp: generalization of piix4 acpi
Add ACPI based PCI hotplug library with bridge hotplug
support.
Design
   - each bus gets assigned "bsel" property.
   - ACPI code writes this number
     to a new BNUM register, then uses existing
     UP/DOWN registers to probe slot status;
     to eject, write number to BNUM register,
     then slot into existing EJ.

The interface is actually backwards-compatible with
existing PIIX4 ACPI (though not migration compatible).

This is split out from PIIX4 codebase so we can
reuse it for Q35 as well.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:49 +02:00
Michael S. Tsirkin
eb0acfdde6 pci: add pci_for_each_bus_depth_first
Useful for ACPI hotplug.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:49 +02:00
Igor Mammedov
4d25299cb2 pc: make: fix dependencies: rebuild when included file is changed
some *.dsl files include another *.dsl files but there weren't
any dependicies and when included file changed target table wasn't
rebuild. Fix this by using the same auto dependency generation
as for C files.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:49 +02:00
Stefan Weil
4dd72e04c2 virtio: Fix return value for dummy function vhost_net_virtqueue_pending
cgcc complains that -ENOSYS is not a good value for 'bool'.

A dummy virtio will never have pending queue entries, so let us return
false.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:48 +02:00
Gabriel L. Somlo
8977557ae4 ACPI: Fix AppleSMC _STA size
Minimize the storage used for AppleSMC's _STA (8bit), relying on ASL
to implicitly convert it to the officially specified 32bit value.

Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:48 +02:00
Gabriel L. Somlo
15bce1b7c5 Add DSDT node for AppleSMC
AppleSMC (-device isa-applesmc) is required to boot OS X guests.
OS X expects a SMC node to be present in the ACPI DSDT. This patch
adds a SMC node to the DSDT, and dynamically patches the return value
of SMC._STA to either 0x0B if the chip is present, or otherwise to 0x00,
before booting the guest.

Signed-off-by: Gabriel Somlo <somlo@cmu.edu>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2014-01-26 13:06:48 +02:00
Anthony Liguori
14ac4febb2 hda-codec: disable streams on reset
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Merge remote-tracking branch 'kraxel/tags/pull-audio-2' into staging

hda-codec: disable streams on reset

# gpg: Signature made Tue 21 Jan 2014 02:17:12 AM PST using RSA key ID D3E87138
# gpg: Can't check signature: public key not found

* kraxel/tags/pull-audio-2:
  hda-codec: disable streams on reset

Message-id: 1390299589-5082-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2014-01-24 15:51:39 -08:00
Anthony Liguori
f4b27793a8 usb core+hid: add support for microsoft os descriptors
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Merge remote-tracking branch 'kraxel/tags/pull-usb-2' into staging

usb core+hid: add support for microsoft os descriptors

# gpg: Signature made Tue 21 Jan 2014 02:21:29 AM PST using RSA key ID D3E87138
# gpg: Can't check signature: public key not found

* kraxel/tags/pull-usb-2:
  usb-hid: add microsoft os descriptor support
  usb: add support for microsoft os descriptors

Message-id: 1390299772-5368-1-git-send-email-kraxel@redhat.com
Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2014-01-24 15:51:23 -08:00
Anthony Liguori
e9f526ab7b Merge remote-tracking branch 'bonzini/scsi-next' into staging
* bonzini/scsi-next:
  scsi: Support TEST UNIT READY in the dummy LUN0
  block: add .bdrv_reopen_prepare() stub for iscsi
  virtio-scsi: Prevent assertion on missed events
  virtio-scsi: Cleanup of I/Os that never started
  scsi: Assign cancel_io vector for scsi_disk_emulate_ops

Conflicts:
	block/iscsi.c

aliguori: resolve trivial merge conflict in block/iscsi.c

Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2014-01-24 15:50:14 -08:00