This enables in-kernel handling of H_PUT_TCE_INDIRECT and
H_STUFF_TCE hypercalls. The host kernel support is there since v4.6,
in particular d3695aa4f452
("KVM: PPC: Add support for multiple-TCE hcalls").
H_PUT_TCE is already accelerated and does not need any special enablement.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
For a little while around 4.9, Linux kernels that saw the radix bit in
ibm,pa-features would attempt to set up the MMU as if they were a
hypervisor, even if they were a guest, which would cause them to
crash.
Work around this by detecting pre-ISA 3.0 guests by their lack of that
bit in option vector 1, and then removing the radix bit from
ibm,pa-features. Note: This now requires regeneration of that node
after CAS negotiation.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
[dwg: Fix style nits]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Add the new node, /chosen/ibm,arch-vec-5-platform-support to the
device tree. This allows the guest to determine which modes are
supported by the hypervisor.
Update the option vector processing in h_client_architecture_support()
to handle the new MMU bits. This allows guests to request hash or
radix mode and QEMU to create the guest's HPT at this time if it is
necessary but hasn't yet been done. QEMU will terminate the guest if
it requests an unavailable mode, as required by the architecture.
Extend the ibm,pa-features node with the new ISA 3.0 values
and set the radix bit if KVM supports radix mode. This probably won't
be used directly by guests to determine the availability of radix mode
(that is indicated by the new node added above) but the architecture
requires that it be set when the hardware supports it.
If QEMU is using KVM, and KVM is capable of running in radix mode,
guests can be run in real-mode without allocating a HPT (because KVM
will use a minimal RPT). So in this case, we avoid creating the HPT
at reset time and later (during CAS) create it if it is necessary.
ISA 3.0 guests will now begin to call h_register_process_table(),
which has been added previously.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
[dwg: Strip some unneeded prefix from error messages]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
In the next patch, spapr_fixup_cpu_dt() will need to call
spapr_populate_pa_features() so move it's definition up without making
any other changes.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The H_REGISTER_PROCESS_TABLE H_CALL is used by a guest to indicate to the
hypervisor where in memory its process table is and how translation should
be performed using this process table.
Provide the implementation of this H_CALL for a guest.
We first check for invalid flags, then parse the flags to determine the
operation, and then check the other parameters for valid values based on
the operation (register new table/deregister table/maintain registration).
The process table is then stored in the appropriate location and registered
with the hypervisor (if running under KVM), and the LPCR_[UPRT/GTSE] bits
are updated as required.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
[dwg: Correct missing prototype and uninitialized variable]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The use of the new in memory tables introduced in ISAv3.00 for translation,
also referred to as process tables, requires the introduction of 3 new
H-CALLs; H_REGISTER_PROCESS_TABLE, H_CLEAN_SLB, and H_INVALIDATE_PID.
Add shells for each of these and register them as the hypercall handlers.
Currently they all log an unimplemented hypercall and return H_FUNCTION.
Signed-off-by: Suraj Jitindar Singh <sjitindarsingh@gmail.com>
[dwg: Fix style nits]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Use the new ioctl, KVM_PPC_GET_RMMU_INFO, to fetch radix MMU
information from KVM and present the page encodings in the device tree
under ibm,processor-radix-AP-encodings. This provides page size
information to the guest which is necessary for it to use radix mode.
Signed-off-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
[dwg: Compile fix for 32-bit targets, style nit fix]
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
KVM_CAP_SPAPR_TCE capability allows creating TCE tables in KVM which
allows having in-kernel acceleration for H_PUT_TCE_xxx hypercalls.
However it only supports 32bit DMA windows at zero bus offset.
There is a new KVM_CAP_SPAPR_TCE_64 capability which supports 64bit
window size, variable page size and bus offset.
This makes use of the new capability. The kernel headers are already
updated as the kernel support went in to v4.6.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
The devices that are derived from TYPE_PNV_CHIP currently show up
as "uncategorized" devices in the help text of "-device ?". Since
they obviously are related to the CPU, let's put them into the
CPU category instead.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Also use an 'sPAPRRTCState' attribute under the sPAPR machine to hold
the RTC object. Overall, these changes remove an unnecessary and
implicit dependency on SysBus.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Version: GnuPG v1
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Merge remote-tracking branch 'remotes/jasowang/tags/net-pull-request' into staging
# gpg: Signature made Tue 25 Apr 2017 12:22:03 BST
# gpg: using RSA key 0xEF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* remotes/jasowang/tags/net-pull-request:
COLO-compare: Optimize tcp compare trace event
COLO-compare: Optimize tcp compare for option field
slirp: add a fake NC-SI backend
aspeed: add a FTGMAC100 nic
net/ftgmac100: add a 'aspeed' property
net: add FTGMAC100 support
hw/net: add MII definitions
colo-compare: Fix old packet check bug.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
There is a second NIC but we do not use it for the moment. We use the
'aspeed' property to tune the definition of the end of ring buffer bit
for the Aspeed SoCs.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
The Aspeed SoCs have a different definition of the end of the ring
buffer bit. Add a property to specify which set of bits should be used
by the NIC.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Exynos4210 has four SD/MMC controllers supporting:
- SD Standard Host Specification Version 2.0,
- MMC Specification Version 4.3,
- SDIO Card Specification Version 2.0,
- DMA and ADMA.
Add emulation of SDHCI devices which allows accessing storage through SD
cards. Differences from real hardware:
- Devices are shipped with eMMC memory, not SD card.
- The Exynos4210 SDHCI has few more registers, e.g. for
controlling the clocks, additional status (0x80, 0x84, 0x8c). These
are not implemented.
Testing on smdkc210 machine with "-drive file=FILE,if=sd,bus=0,index=2".
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Message-id: 20170422190709.8676-1-krzk@kernel.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/armbru/tags/pull-error-2017-04-24' into staging
Error reporting patches for 2017-04-24
# gpg: Signature made Mon 24 Apr 2017 08:16:34 BST
# gpg: using RSA key 0x3870B400EB918653
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>"
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>"
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-error-2017-04-24:
error: Apply error_propagate_null.cocci again
qga: Make errp the last parameter of qga_vss_fsfreeze
migration: Make errp the last parameter of local functions
scsi: Make errp the last parameter of virtio_scsi_common_realize
fdc: Make errp the last parameter of fdctrl_connect_drives
nfs: Make errp the last parameter of nfs_client_open
block: Make errp the last parameter of commit_active_start
mirror: Make errp the last parameter of mirror_start_job
crypto: Make errp the last parameter of functions
block: Make errp the last parameter of bdrv_img_create
socket: Make errp the last parameter of vsock_connect_saddr
socket: Make errp the last parameter of unix_connect_saddr
socket: Make errp the last parameter of inet_connect_saddr
socket: Make errp the last parameter of socket_connect
util/error: Fix leak in error_vprepend()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This is to allow clients to initialise these without failing as long
as no 2D engine function is called that would use the written value.
Saved values are not used yet (may get used when more of 2D engine is
added sometimes) and clients normally only write to most of these
registers, nothing is known to ever read them but they are documented
as read/write so also implement read for these.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: 80adf8e4d084ec6cc30d149f8e8215debb67314a.1492787889.git.balaton@eik.bme.hu
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- Rename a variable
- Move variable declarations out of loop to the beginning in draw_hwc_line
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: 187c9e4e09d9bc2967b2454b36bb088ceef0b8bc.1492787889.git.balaton@eik.bme.hu
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Rework HWC handling to simplify it and fix cursor not updating on
screen as needed. Previously cursor was not updated because checking
for changes in a line overrode the update flag set for the cursor but
fixing this is not enough because the cursor should also be updated if
its shape or location changes. Introduce hwc_invalidate() function to
handle that similar to other display controller models.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: 6970a5e9868b7246656c1d02038dc5d5fa369507.1492787889.git.balaton@eik.bme.hu
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
We only emulate the sysbus device in its default LE mode and PCI is LE
as well so specify this for registers and framebuffer memory.
Note that though the Linux kernel driver has code which claims to
handle both big and little endian, it is obviously bogus for 16 bit
and cannot be trusted as a source of information on the framebuffer
pixel format. This is our best guess about device behaviour based on
the specs and testing with MorphOS that is known to work on real HW.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: 8b9605a569f8bf54074e15903620b18cd9967c89.1492787889.git.balaton@eik.bme.hu
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Only the display controller part is created automatically on PCI
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: 647d292c6f5abba8b2a614687229949b5dcb864e.1492787889.git.balaton@eik.bme.hu
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Do not use the base address to access data in local memory. This is in
preparation to allow chip connected via PCI where base address depends
on where the BAR is mapped so it will be unknown.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: 79dab21bc6ec4d563aabf265c3bab40e2e95aae8.1492787889.git.balaton@eik.bme.hu
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Adding vmstate saving is not in this patch because the state structure
will be changed in further patches, then another patch will add
vmstate descriptor after those changes.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Message-id: a32b7fc981a20205f96d530d8e958f12ace1104c.1492787889.git.balaton@eik.bme.hu
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Add properties for the default display resolution, pass
on that information to the guest so the driver can use it.
Also move up qxl_crc32() function so we don't need a
forward declaration.
Additionally guest driver updates are needed so the
guest driver will actually pick this up, which will
probably land in linux kernel 4.12.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170421092234.8368-1-kraxel@redhat.com
Fix standard vga mode check: Both s->config and s->enabled must be set
to enable vmware command fifo processing.
Drop dirty tracking code from the fifo rendering code path, it isn't
used anyway because vmsvga turns off dirty tracking when leaving
standard vga mode.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170421091632.30900-9-kraxel@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The vga code clears the dirty bits *after* reading the framebuffer
memory. So if the guest framebuffer updates hits the race window
between vga reading the framebuffer and vga clearing the dirty bits
vga will miss that update
Fix it by using the new memory_region_copy_and_clear_dirty()
memory_region_copy_get_dirty() functions. That way we clear the
dirty bitmap before reading the framebuffer. Any guest display
updates happening in parallel will be properly tracked in the
dirty bitmap then and the next display refresh will pick them up.
Problem triggers with mttcg only. Before mttcg was merged tcg
never ran in parallel to vga emulation. Using kvm will hide the
problem too, due to qemu operating on a userspace copy of the
kernel's dirty bitmap.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170421091632.30900-5-kraxel@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Add vga_scanline_invalidated helper to check whenever a scanline was
invalidated. Add a sanity check to fix OOB read access for display
heights larger than 2048.
Only cirrus uses this, for hardware cursor rendering, so having this
work properly for the first 2048 scanlines only shouldn't be a problem
as the cirrus can't handle large resolutions anyway. Also changing the
invalidated_y_table size would break live migration.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20170421091632.30900-4-kraxel@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This avoids a "#ifdef HOST_WORDS_BIGENDIAN" and this is the purpose
of PIXMAN_BE_* macros.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Sahid Orentino Ferdjaoui <sahid.ferdjaoui@redhat.com>
Message-id: 20170403114044.15762-1-lvivier@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
The FTGMAC100 device is an Ethernet controller with DMA function that
can be found on Aspeed SoCs (which include NCSI).
It is fully compliant with IEEE 802.3 specification for 10/100 Mbps
Ethernet and IEEE 802.3z specification for 1000 Mbps Ethernet and
includes Reduced Media Independent Interface (RMII) and Reduced
Gigabit Media Independent Interface (RGMII) interfaces. It adopts an
AHB bus interface and integrates a link list DMA engine with direct
M-Bus accesses for transmitting and receiving packets. It has
independent TX/RX fifos, supports half and full duplex (1000 Mbps mode
only supports full duplex), flow control for full duplex and
backpressure for half duplex.
The FTGMAC100 also implements IP, TCP, UDP checksum offloads and
supports IEEE 802.1Q VLAN tag insertion and removal. It offers
high-priority transmit queue for QoS and CoS applications
This model is backed with a RealTek 8211E PHY which is the chip found
on the AST2500 EVB. It is complete enough to satisfy two different
Linux drivers and a U-Boot driver. Not supported features are :
- IEEE 802.1Q VLAN
- High Priority Transmit Queue
- Wake-On-LAN functions
The code is based on the Coldfire Fast Ethernet Controller model.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Jason Wang <jasowang@redhat.com>
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Merge remote-tracking branch 'remotes/juanquintela/tags/migration/20170421' into staging
migration/next for 20170421
# gpg: Signature made Fri 21 Apr 2017 11:28:13 BST
# gpg: using RSA key 0xF487EF185872D723
# gpg: Good signature from "Juan Quintela <quintela@redhat.com>"
# gpg: aka "Juan Quintela <quintela@trasno.org>"
# Primary key fingerprint: 1899 FF8E DEBF 58CC EE03 4B82 F487 EF18 5872 D723
* remotes/juanquintela/tags/migration/20170421: (65 commits)
hmp: info migrate_parameters format tunes
hmp: info migrate_capability format tunes
migration: rename max_size to threshold_size
migration: set current_active_state once
virtio-rng: stop virtqueue while the CPU is stopped
migration: don't close a file descriptor while it can be in use
ram: Remove migration_bitmap_extend()
migration: Disable hotplug/unplug during migration
qdev: Move qdev_unplug() to qdev-monitor.c
qdev: Export qdev_hot_removed
qdev: qdev_hotplug is really a bool
migration: Remove MigrationState parameter from migration_is_idle()
ram: Use RAMBitmap type for coherence
ram: rename last_ram_offset() last_ram_pages()
ram: Use ramblock and page offset instead of absolute offset
ram: Change offset field in PageSearchStatus to page
ram: Remember last_page instead of last_offset
ram: Use page number instead of an address for the bitmap operations
ram: reorganize last_sent_block
ram: ram_discard_range() don't use the mis parameter
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- the new compat machine
- several cleanups and optimizations
- introspection for css ids
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20170421' into staging
The first batch of s390x changes for 2.10:
- the new compat machine
- several cleanups and optimizations
- introspection for css ids
# gpg: Signature made Fri 21 Apr 2017 08:36:25 BST
# gpg: using RSA key 0xDECF6B93C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg: aka "Cornelia Huck <cornelia.huck@de.ibm.com>"
# Primary key fingerprint: C3D0 D66D C362 4FF6 A8C0 18CE DECF 6B93 C6F0 2FAF
* remotes/cohuck/tags/s390x-20170421:
s390x: Drop useless casts
s390x: register I/O adapters per ISC during init
s390x/flic: cache flic in s390_get_flic
s390x: initialize flic before I/O subsystems
s390x: use enum for adapter type and standardize its naming
s390x/css: consolidate the devno property for ccw devices
s390x/css: provide introspection for virtual subchannel and device busid
s390x/css: introduce read-only property type for device ids
s390x/pci: make printf always compile in debug output
s390x/kvm: make printf always compile in debug output
s390x: introduce 2.10 compat machine
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If we modify the virtio-rng virqueue while the
vmstate is already migrated we can have some
inconsistencies between the virtqueue state and
the memory content.
To avoid this, stop the virtqueue while the CPU
is stopped.
Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: Amit Shah <amit@kernel.org>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
It is not used by linux-user, otherwise I need to to create one stub
for migration_is_idle() on following patch.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
I need to move qdev_unplug to qdev-monitor in the following patch, and
it needs access to this variable.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: zhanghailiang <zhang.zhanghailiang@huawei.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
