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Merge remote-tracking branch 'remotes/kevin/tags/for-upstream' into staging
Block patches
# gpg: Signature made Fri 12 Sep 2014 16:09:43 BST using RSA key ID C88F2FD6
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>"
* remotes/kevin/tags/for-upstream: (22 commits)
qcow2: Add falloc and full preallocation option
raw-posix: Add falloc and full preallocation option
qapi: introduce PreallocMode and new PreallocModes full and falloc.
block: don't convert file size to sector size
block: round up file size to nearest sector
iotests: Send the correct fd in socket_scm_helper
blockdev: Refuse to drive_del something added with blockdev-add
block: extend BLOCK_IO_ERROR with reason string
dataplane: fix virtio_blk_data_plane_create() op blocker error path
qemu-iotests: Run 025 for Archipelago block driver
block/archipelago: Implement bdrv_truncate()
block: Make the block accounting functions operate on BlockAcctStats
block: rename BlockAcctType members to start with BLOCK_ instead of BDRV_
block: Extract the block accounting code
block: Extract the BlockAcctStats structure
IDE: MMIO IDE device control should be little endian
thread-pool: Drop unnecessary includes
xen: Drop redundant bdrv_close() from pci_piix3_xen_ide_unplug()
xen_disk: Plug memory leak on error path
qemu-io: Clean up openfile() after commit 2e40134
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Build: fixing block/iscsi.so and ranlib warnings on Mac OS X
- Migration fixes for x86
- The odd KVM patch.
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
- Memory: improve error reporting and avoid crashes on hotplug
- Build: fixing block/iscsi.so and ranlib warnings on Mac OS X
- Migration fixes for x86
- The odd KVM patch.
# gpg: Signature made Thu 11 Sep 2014 11:21:10 BST using RSA key ID 9B4D86F2
# gpg: Good signature from "Paolo Bonzini <pbonzini@redhat.com>"
# gpg: aka "Paolo Bonzini <bonzini@gnu.org>"
* remotes/bonzini/tags/for-upstream: (21 commits)
gdbstub: init mon_chr through qemu_chr_alloc
pckbd: adding new fields to vmstate
mc146818rtc: add missed field to vmstate
piix: do not set irq while loading vmstate
serial: fixing vmstate for save/restore
parallel: adding vmstate for save/restore
fdc: adding vmstate for save/restore
cpu: init vmstate for ticks and clock offset
apic_common: vapic_paddr synchronization fix
vl: use QLIST_FOREACH_SAFE to visit change state handlers
exec: add parameter errp to gethugepagesize
exec: report error when memory < hpagesize
hostmem-ram: don't exit qemu if size of memory-backend-ram is way too big
memory: add parameter errp to memory_region_init_rom_device
memory: add parameter errp to memory_region_init_ram
exec: add parameter errp to qemu_ram_alloc and qemu_ram_alloc_from_ptr
rules.mak: Fix DSO build by pulling in archive symbols
util: Don't link host-utils.o if it's empty
util: Move general qemu_getauxval to util/getauxval.c
trace: Only link generated-tracers.o with "simple" backend
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add support for loading DTB images when booting ELF images using
-kernel. If there are no conflicts with the placement of the ELF
segments, the DTB image is loaded at the base of RAM.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1410453915-9344-5-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If we are running the 'virt' machine, we may have a device tree blob but no
kernel to supply it to if no -kernel option was passed. In that case, copy it
to the base of RAM where it can be picked up by a bootloader.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1410453915-9344-4-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add an address limit input parameter to load_dtb() so that we can
tell load_dtb() how much memory the dtb is allowed to consume. If
the dtb doesn't fit, return 0, otherwise return the actual size of
the loaded dtb.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1410453915-9344-3-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In order to make the device tree blob (DTB) available in memory not only at
first boot, but also after system reset, use rom_blob_add_fixed() to install
it into memory.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1410453915-9344-2-git-send-email-ard.biesheuvel@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The pl011 and pl031 devices both use level triggered interrupts,
but the device tree we construct was incorrectly telling the
kernel to configure the GIC to treat them as edge triggered.
This meant that output from the pl011 would hang after a while.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1410274423-9461-1-git-send-email-peter.maydell@linaro.org
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>
Cc: qemu-stable@nongnu.org
Add two flash devices to the virt board, so that it can be used for
running guests which want a bootrom image such as UEFI. We provide
two flash devices to make it more convenient to provide both a
read-only UEFI image and a read-write place to store guest-set
UEFI config variables. The '-bios' command line option is set up
to provide an image for the first of the two flash devices.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1409930126-28449-2-git-send-email-ard.biesheuvel@linaro.org
This patch adds the missing input interrupt logic to the pl061 GPIO device. To
keep the floating output pins to stay high, the old state variable had to be
split into two separate ones for input and output - which brings the vmstate
version to 3.
Edge level interrupts and I/O were tested under Linux 3.14. Level interrupt
handling hasn't been tested.
Signed-off-by: Colin Leitner <colin.leitner@googlemail.com>
Message-id: 54024FD2.9080204@gmail.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add a property "linux,stdout-path" to the /chosen DT node and make
it point to the emulated UART. This allows users such as the Linux
kernel to produce console output without the need to pass console=
or earlycon=pl011,0x... command line arguments.
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 1409317439-29349-1-git-send-email-ard.biesheuvel@linaro.org
Reviewed-by: Rob Herring <rob.herring@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Commit 3718d8ab65 ("block: Replace in_use
with operation blocker") broke the error path because it consumed
local_err instead of propagating it.
The caller has no way to know that the function failed. This caused
virtio-blk to start "successfully" even though there was a fatal
dataplane error.
Steps to reproduce:
$ qemu-system-x86_64 -enable-kvm -object iothread,id=iothread0 \
-drive if=none,id=drive0,file=a.img \
(qemu) drive_mirror drive0 /tmp/foo.img
(qemu) device_add virtio-blk-pci,iothread=iothread0,drive=drive0
Expected result:
Since the mirror block job is using drive0 it is not possible to start
virtio-blk data-plane.
device_add fails and the PCI adapter is not added.
Actual result:
device_add completes and the PCI adapter is added.
Cc: Fam Zheng <famz@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This patch adds outport to VMState to allow correct saving and restoring
the state of PC keyboard controller.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch adds irq_reinject_on_ack_count field to VMState to allow correct
saving/loading the state of MC146818 RTC.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Acked-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch avoids setting an irq while loading the state of the ISA bridge.
Because the i8259 has not been deserialized yet, raising an interrupt
could bring the system out-of-sync with the migration source. For example,
the migration source could have masked the interrupt in the i8259. On the
destination, the i8259 device model would not know that yet and would
trigger an interrupt in the CPU.
This patch eliminates setting the irq and just restores the calculated
state fields in post_load function. Interrupt state will be deserialized
separately through the IRR field of the i8259.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Some fields were added to VMState by this patch to preserve correct
loading of the serial port controller state.
Updating FCR value while loading was also modified to disable generating
an interrupt by loadvm.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
VMState added by this patch preserves correct
loading of the parallel port controller state.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Acked-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
VMState added by this patch preserves correct
loading of the FDC device state.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Acked-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This patch postpones vapic_paddr initialization, which is performed
during migration. When vapic_paddr is synchronized within the migration
process, apic_common functions could operate with incorrect apic state,
if it hadn't loaded yet. This patch postpones the synchronization until
the virtual machine is started, ensuring that the whole virtual machine
state has been loaded.
Signed-off-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Tested-by: Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This is the next step for decoupling block accounting functions from
BlockDriverState.
In a future commit the BlockAcctStats structure will be moved from
BlockDriverState to the device models structures.
Note that bdrv_get_stats was introduced so device models can retrieve the
BlockAcctStats structure of a BlockDriverState without being aware of it's
layout.
This function should go away when BlockAcctStats will be embedded in the device
models structures.
CC: Kevin Wolf <kwolf@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Keith Busch <keith.busch@intel.com>
CC: Anthony Liguori <aliguori@amazon.com>
CC: "Michael S. Tsirkin" <mst@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: Eric Blake <eblake@redhat.com>
CC: Peter Maydell <peter.maydell@linaro.org>
CC: Michael Tokarev <mjt@tls.msk.ru>
CC: John Snow <jsnow@redhat.com>
CC: Markus Armbruster <armbru@redhat.com>
CC: Alexander Graf <agraf@suse.de>
CC: Max Reitz <mreitz@redhat.com>
Signed-off-by: Benoît Canet <benoit.canet@nodalink.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The middle term goal is to move the BlockAcctStats structure in the device models.
(Capturing I/O accounting statistics in the device models is good for billing)
This patch make a small step in this direction by removing a reference to BDRV.
CC: Kevin Wolf <kwolf@redhat.com>
CC: Stefan Hajnoczi <stefanha@redhat.com>
CC: Keith Busch <keith.busch@intel.com>
CC: Anthony Liguori <aliguori@amazon.com>
CC: "Michael S. Tsirkin" <mst@redhat.com>
CC: Paolo Bonzini <pbonzini@redhat.com>
CC: John Snow <jsnow@redhat.com>
CC: Richard Henderson <rth@twiddle.net>
CC: Markus Armbruster <armbru@redhat.com>
CC: Alexander Graf <agraf@suse.de>i
Signed-off-by: Benoît Canet <benoit.canet@nodalink.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Set the IDE MMIO memory type to little endian. The ATA specs identify
words part of the control commands encoded as little endian.
While this has no impact on little endian systems, it's required for big
endian systems(eg OpenRisc).
Signed-off-by: Valentin Manea <valentin.manea@gmail.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
The Error object was leaked after failed bdrv_new(). While there,
streamline control flow a bit.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Add back the PCIe config capabilities on XHCI cards in non-PCIe slots,
but only for machine types before 2.1.
This fixes a migration incompatibility in the XHCI PCI devices
caused by:
058fdcf52c - xhci: add endpoint cap on express bus only
Note that in fixing it for compatibility with older QEMUs, it breaks
compatibility with existing QEMU 2.1's on older machine types.
The status before this patch was (if it used an XHCI adapter):
machine type | source qemu
any pre-2.1 - FAIL
any 2.1... - PASS
With this patch:
machine type | source qemu
any pre-2.1 - PASS
pre-2.1 2.1... - FAIL
2.1 2.1... - PASS
A test to trigger it is to add '-device nec-usb-xhci,id=xhci,addr=0x12'
to the command line.
Cc: qemu-stable@nongnu.org
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add parameter errp to memory_region_init_rom_device and update all call
sites to propagate the error.
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
[Propagate the error out of realize. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add parameter errp to memory_region_init_ram and update all call sites
to pass in &error_abort.
Signed-off-by: Hu Tao <hutao@cn.fujitsu.com>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Both OpenBSD and FreeBSD SPARC64 attempt to read the interrupt map from the
hardware and will fail if the correct ino isn't present.
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Alexander Graf (11):
PPC: KVM: Fix g3beige and mac99 when HV is loaded
PPC: mac99: Move NVRAM to page boundary when necessary
KVM: Add helper to run KVM_CHECK_EXTENSION on vm fd
PPC: KVM: Use vm check_extension for pv hcall
PPC: mac99: Fix core99 timer frequency
PPC: mac_nvram: Remove unused functions
PPC: mac_nvram: Allow 2 and 4 byte accesses
PPC: mac_nvram: Split NVRAM into OF and OSX parts
PPC: Mac: Move tbfreq into local variable
PPC: Cuda: Use cuda timer to expose tbfreq to guest
PPC: Fix default config ordering and add eTSEC for ppc64
Alexey Kardashevskiy (7):
spapr: Move DT memory node rendering to a helper
spapr: Use DT memory node rendering helper for other nodes
spapr: Refactor spapr_populate_memory() to allow memoryless nodes
spapr: Split memory nodes to power-of-two blocks
spapr: Add a helper for node0_size calculation
spapr: Fix ibm, associativity for memory nodes
spapr_pci: Fix config space corruption
Anton Blanchard (2):
spapr-vlan: Don't touch last entry in buffer list
hypervisor property clashes with hypervisor node
Benjamin Herrenschmidt (2):
loader: Add load_image_size() to replace load_image()
spapr: Locate RTAS and device-tree based on real RMA
Bharat Bhushan (4):
ppc: debug stub: Get trap instruction opcode from KVM
ppc: synchronize excp_vectors for injecting exception
ppc: Add software breakpoint support
ppc: Add hw breakpoint watchpoint support
Gonglei (1):
spapr: fix possible memory leak
Greg Kurz (1):
spapr_pci: map the MSI window in each PHB
Nikunj A Dadhania (3):
ppc: spapr-rtas - implement os-term rtas call
spapr: add uuid/host details to device tree
ppc/spapr: Fix MAX_CPUS to 255
Peter Maydell (1):
hw/ppc/spapr_hcall.c: Fix typo in function names
Tom Musta (20):
linux-user: Fix Stack Pointer Bug in PPC setup_rt_frame
linux-user: Split PPC Trampoline Encoding from Register Save
linux-user: Enable Signal Handlers on PPC64
linux-user: Properly Dereference PPC64 ELFv1 Signal Handler Pointer
linux-user: Implement do_setcontext for PPC64
linux-user: Handle PPC64 ELFv2 Function Pointers
target-ppc: Bug Fix: rlwinm
target-ppc: Bug Fix: rlwnm
target-ppc: Bug Fix: rlwimi
target-ppc: Bug Fix: mullwo
target-ppc: Bug Fix: mullw
target-ppc: Bug Fix: mulldo OV Detection
target-ppc: Bug Fix: srawi
target-ppc: Bug Fix: srad
target-ppc: Special Case of rlwimi Should Use Deposit
target-ppc: Optimize rlwinm MB=0 ME=31
target-ppc: Optimize rlwnm MB=0 ME=31
target-ppc: Clean Up mullw
target-ppc: Clean up mullwo
target-ppc: Implement mulldo with TCG
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Merge remote-tracking branch 'remotes/agraf/tags/signed-ppc-for-upstream' into staging
Patch queue for ppc - 2014-09-08
Alexander Graf (11):
PPC: KVM: Fix g3beige and mac99 when HV is loaded
PPC: mac99: Move NVRAM to page boundary when necessary
KVM: Add helper to run KVM_CHECK_EXTENSION on vm fd
PPC: KVM: Use vm check_extension for pv hcall
PPC: mac99: Fix core99 timer frequency
PPC: mac_nvram: Remove unused functions
PPC: mac_nvram: Allow 2 and 4 byte accesses
PPC: mac_nvram: Split NVRAM into OF and OSX parts
PPC: Mac: Move tbfreq into local variable
PPC: Cuda: Use cuda timer to expose tbfreq to guest
PPC: Fix default config ordering and add eTSEC for ppc64
Alexey Kardashevskiy (7):
spapr: Move DT memory node rendering to a helper
spapr: Use DT memory node rendering helper for other nodes
spapr: Refactor spapr_populate_memory() to allow memoryless nodes
spapr: Split memory nodes to power-of-two blocks
spapr: Add a helper for node0_size calculation
spapr: Fix ibm, associativity for memory nodes
spapr_pci: Fix config space corruption
Anton Blanchard (2):
spapr-vlan: Don't touch last entry in buffer list
hypervisor property clashes with hypervisor node
Benjamin Herrenschmidt (2):
loader: Add load_image_size() to replace load_image()
spapr: Locate RTAS and device-tree based on real RMA
Bharat Bhushan (4):
ppc: debug stub: Get trap instruction opcode from KVM
ppc: synchronize excp_vectors for injecting exception
ppc: Add software breakpoint support
ppc: Add hw breakpoint watchpoint support
Gonglei (1):
spapr: fix possible memory leak
Greg Kurz (1):
spapr_pci: map the MSI window in each PHB
Nikunj A Dadhania (3):
ppc: spapr-rtas - implement os-term rtas call
spapr: add uuid/host details to device tree
ppc/spapr: Fix MAX_CPUS to 255
Peter Maydell (1):
hw/ppc/spapr_hcall.c: Fix typo in function names
Tom Musta (20):
linux-user: Fix Stack Pointer Bug in PPC setup_rt_frame
linux-user: Split PPC Trampoline Encoding from Register Save
linux-user: Enable Signal Handlers on PPC64
linux-user: Properly Dereference PPC64 ELFv1 Signal Handler Pointer
linux-user: Implement do_setcontext for PPC64
linux-user: Handle PPC64 ELFv2 Function Pointers
target-ppc: Bug Fix: rlwinm
target-ppc: Bug Fix: rlwnm
target-ppc: Bug Fix: rlwimi
target-ppc: Bug Fix: mullwo
target-ppc: Bug Fix: mullw
target-ppc: Bug Fix: mulldo OV Detection
target-ppc: Bug Fix: srawi
target-ppc: Bug Fix: srad
target-ppc: Special Case of rlwimi Should Use Deposit
target-ppc: Optimize rlwinm MB=0 ME=31
target-ppc: Optimize rlwnm MB=0 ME=31
target-ppc: Clean Up mullw
target-ppc: Clean up mullwo
target-ppc: Implement mulldo with TCG
# gpg: Signature made Mon 08 Sep 2014 11:51:15 BST using RSA key ID 03FEDC60
# gpg: Can't check signature: public key not found
* remotes/agraf/tags/signed-ppc-for-upstream: (52 commits)
hypervisor property clashes with hypervisor node
PPC: Fix default config ordering and add eTSEC for ppc64
spapr_pci: map the MSI window in each PHB
target-ppc: Implement mulldo with TCG
target-ppc: Clean up mullwo
target-ppc: Clean Up mullw
target-ppc: Optimize rlwnm MB=0 ME=31
target-ppc: Optimize rlwinm MB=0 ME=31
target-ppc: Special Case of rlwimi Should Use Deposit
spapr-vlan: Don't touch last entry in buffer list
spapr_pci: Fix config space corruption
PPC: Cuda: Use cuda timer to expose tbfreq to guest
PPC: Mac: Move tbfreq into local variable
PPC: mac_nvram: Split NVRAM into OF and OSX parts
PPC: mac_nvram: Allow 2 and 4 byte accesses
PPC: mac_nvram: Remove unused functions
PPC: mac99: Fix core99 timer frequency
PPC: KVM: Use vm check_extension for pv hcall
KVM: Add helper to run KVM_CHECK_EXTENSION on vm fd
target-ppc: Bug Fix: srad
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
dtc fails on a recent QEMU snapshot:
ERROR (name_properties): "name" property in /hypervisor#1 is incorrect ("hypervisor" instead of base node name)
Looking at the device tree we have a hypervisor property:
# lsprop hypervisor
hypervisor "kvm"
But we also have a hypervisor node, with a name that doesn't match:
# lsprop hypervisor#1/
name "hypervisor"
compatible "linux,kvm"
linux,phandle 7e5eb5d8 (2120136152)
Commit c08ce91d309c (spapr: add uuid/host details to device tree)
looks to have collided with an earlier patch. Remove the hypervisor
property.
Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
On sPAPR, virtio devices are connected to the PCI bus and use MSI-X.
Commit cc943c36fa has modified MSI-X
so that writes are made using the bus master address space and follow
the IOMMU path.
Unfortunately, the IOMMU address space address space does not have an
MSI window: the notification is silently dropped in unassigned_mem_write
instead of reaching the guest... The most visible effect is that all
virtio devices are non-functional on sPAPR since then. :(
This patch does the following:
1) map the MSI window into the IOMMU address space for each PHB
- since each PHB instantiates its own IOMMU address space, we
can safely map the window at a fixed address (SPAPR_PCI_MSI_WINDOW)
- no real need to keep the MSI window setup in a separate function,
the spapr_pci_msi_init() code moves to spapr_phb_realize().
2) kill the global MSI window as it is not needed in the end
Signed-off-by: Greg Kurz <gkurz@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
The last 8 bytes of the buffer list is defined to contain the number
of dropped frames. At the moment we use it to store rx entries,
which trips up ethtool -S:
rx_no_buffer: 9223380832981355136
Fix this by skipping the last buffer list entry.
Signed-off-by: Anton Blanchard <anton@samba.org>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
When disabling MSI/MSIX via "ibm,change-msi" RTAS call, no check was made
if MSI or MSIX is actually supported and the MSI message was reset
unconditionally. If this happened on a device which does not support MSI
(but does support MSIX, otherwise "ibm,change-msi" would not be called),
this device would have PCIDevice::msi_cap field (MSI capability offset)
set to zero and writing a vector would actually clear PCI status.
This clears MSI message only if MSI or MSIX is present on a device.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
Mac OS X calibrates a number of frequencies on bootup based on reading
tb values on bootup and comparing them to via cuda timer values.
The only variable we can really steer well (thanks to KVM) is the cuda
frequency. So let's use that one to fake Mac OS X into believing the
bus frequency is tbfreq * 4. That way Mac OS X will automatically
calculate the correct timebase frequency.
With this patch and the patch set I posted earlier I can successfully
run Mac OS X 10.2, 10.3 and 10.4 guests with -M mac99 on TCG and KVM.
Suggested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Alexander Graf <agraf@suse.de>
We already expose the real CPU's tb frequency to the guest via fw_cfg. Soon
we will need to also expose it to the MacIO, so let's move it to a variable
that we can leverage every time we need the frequency.
Signed-off-by: Alexander Graf <agraf@suse.de>
Mac OS X (at least with -M mac99) searches for a valid NVRAM partition
of a special Apple type. If it can't find that partition in the first
half of NVRAM, it will look at the second half.
There are a few implications from this. The first is that we need to
split NVRAM into 2 halves - one for Open Firmware use, the other one for
Mac OS X. Without this split Mac OS X will just loop endlessly over the
second half trying to find a partition.
The other implication is that we should provide a specially crafted Mac
OS X compatible NVRAM partition on the second half that Mac OS X can
happily use as it sees fit.
Signed-off-by: Alexander Graf <agraf@suse.de>
The NVRAM in our Core99 machine really supports 2byte and 4byte accesses
just as well as 1byte accesses. In fact, Mac OS X uses those.
Add support for higher register size granularities.
Signed-off-by: Alexander Graf <agraf@suse.de>
There is a special timer in the mac99 machine that we recently started
to emulate. Unfortunately we emulated it in the wrong frequency.
This patch adapts the frequency Mac OS X uses to evaluate results from
this timer, making calculations it bases off of it work.
Signed-off-by: Alexander Graf <agraf@suse.de>
MAX_CPUS 256 is inconsistent with qemu supporting upto 255 cpus. This
MAX_CPUS number was percolated back to "virsh capabilities" with wrong
max_cpus.
Signed-off-by: Nikunj A Dadhania <nikunj@linux.vnet.ibm.com>
Signed-off-by: Alexander Graf <agraf@suse.de>
We currently calculate the final RTAS and FDT location based on
the early estimate of the RMA size, cropped to 256M on KVM since
we only know the real RMA size at reset time which happens much
later in the boot process.
This means the FDT and RTAS end up right below 256M while they
could be much higher, using precious RMA space and limiting
what the OS bootloader can put there which has proved to be
a problem with some OSes (such as when using very large initrd's)
Fortunately, we do the actual copy of the device-tree into guest
memory much later, during reset, late enough to be able to do it
using the final RMA value, we just need to move the calculation
to the right place.
However, RTAS is still loaded too early, so we change the code to
load the tiny blob into qemu memory early on, and then copy it into
guest memory at reset time. It's small enough that the memory usage
doesn't matter.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[aik: fixed errors from checkpatch.pl, defined RTAS_MAX_ADDR]
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[agraf: fix compilation on 32bit hosts]
Signed-off-by: Alexander Graf <agraf@suse.de>
A subsequent patch to ppc/spapr needs to load the RTAS blob into
qemu memory rather than target memory (so it can later be copied
into the right spot at machine reset time).
I would use load_image() but it is marked deprecated because it
doesn't take a buffer size as argument, so let's add load_image_size()
that does.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[aik: fixed errors from checkpatch.pl]
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
We want the associtivity lists of memory and CPU nodes to match but
memory nodes have incorrect domain#3 which is zero for CPU so they won't
match.
This clears domain#3 in the list to match CPUs associtivity lists.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
In multiple places there is a node0_size variable calculation
which assumes that NUMA node #0 and memory node #0 are the same
things which they are not. Since we are going to change it and
do not want to change it in multiple places, let's make a helper.
This adds a spapr_node0_size() helper and makes use of it.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
Linux kernel expects nodes to have power-of-two size and
does WARN_ON if this is not the case:
[ 0.041456] WARNING: at drivers/base/memory.c:115
which is:
===
/* Validate blk_sz is a power of 2 and not less than section size */
if ((block_sz & (block_sz - 1)) || (block_sz < MIN_MEMORY_BLOCK_SIZE)) {
WARN_ON(1);
block_sz = MIN_MEMORY_BLOCK_SIZE;
}
===
This splits memory nodes into set of smaller blocks with
a size which is a power of two. This makes sure the start
address of every node is aligned to the node size.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
[agraf: squash windows compile fix in]
Signed-off-by: Alexander Graf <agraf@suse.de>
Current QEMU does not support memoryless NUMA nodes, however
actual hardware may have them so it makes sense to have a way
to emulate them in QEMU. This prepares SPAPR for that.
This moves 2 calls of spapr_populate_memory_node() into
the existing loop over numa nodes so first several nodes may
have no memory and this still will work.
If there is no numa configuration, the code assumes there is just
a single node at 0 and it has all the guest memory.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This finishes refactoring by using the spapr_populate_memory_node helper
for all nodes and removing leftovers from spapr_populate_memory().
This is not a part of the previous patch because the patches look
nicer apart.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
This moves recurring bits of code related to memory@xxx nodes
creation to a helper.
This makes use of the new helper for node@0.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alexander Graf <agraf@suse.de>
