Add unimplemented-device stubs for the various Power Policy Unit
devices that the SSE-200 has.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-17-peter.maydell@linaro.org
The SSE-200 has two Message Handling Units (MHUs), which sit behind
the APB PPC0. Wire up some unimplemented-device stubs for these,
since we don't yet implement a real model of this device.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-16-peter.maydell@linaro.org
The SYS_VERSION and SYS_CONFIG register values differ between the
IoTKit and SSE-200. Make them configurable via QOM properties rather
than hard-coded, and set them appropriately in the ARMSSE code that
instantiates the IOTKIT_SYSINFO device.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-15-peter.maydell@linaro.org
Create a cluster object to hold each CPU in the SSE. They are
logically distinct and may be configured differently (for instance
one may not have an FPU where the other does).
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-14-peter.maydell@linaro.org
Give each CPU its own container memory region. This is necessary
for two reasons:
* some devices are instantiated one per CPU and the CPU sees only
its own device
* since a memory region can only be put into one container, we must
give each armv7m object a different MemoryRegion as its 'memory'
property, or a dual-CPU configuration will assert on realize when
the second armv7m object tries to put the MR into a container when
it is already in the first armv7m object's container
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-13-peter.maydell@linaro.org
The SSE-200 has two Cortex-M33 CPUs. These see the same view
of memory, with the exception of the "private CPU region" which
has per-CPU devices. Internal device interrupts for SSE-200
devices are mostly wired up to both CPUs, with the exception of
a few per-CPU devices. External GPIO inputs on the SSE-200
device are provided for the second CPU's interrupts above 32,
as is already the case for the first CPU.
Refactor the code to support creation of multiple CPUs.
For the moment we leave all CPUs with the same view of
memory: this will not work in the multiple-CPU case, but
we will fix this in the following commit.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-12-peter.maydell@linaro.org
For the IoTKit the SRAM bank size is always 32K (15 bits); for the
SSE-200 this is a configurable parameter, which defaults to 32K but
can be changed when it is built into a particular SoC. For instance
the Musca-B1 board sets it to 128K (17 bits).
Make the bank size a QOM property. We follow the SSE-200 hardware in
naming the parameter SRAM_ADDR_WIDTH, which specifies the number of
address bits of a single SRAM bank.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-11-peter.maydell@linaro.org
The SSE-200 has four banks of SRAM, each with its own
Memory Protection Controller, where the IoTKit has only one.
Make the number of SRAM banks a field in ARMSSEInfo.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-10-peter.maydell@linaro.org
The SSE-200 has 4 banks of SRAM, each with its own internal
Memory Protection Controller. The interrupt status for these
extra MPCs appears in the same security controller SECMPCINTSTATUS
register as the MPC for the IoTKit's single SRAM bank. Enhance the
iotkit-secctl device to allow 4 MPCs. (If the particular IoTKit/SSE
variant in use does not have all 4 MPCs then the unused inputs will
simply result in the SECMPCINTSTATUS bits being zero as required.)
The hardcoded constant "1"s in armsse.c indicate the actual number
of SRAM MPCs the IoTKit has, and will be replaced in the following
commit.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-9-peter.maydell@linaro.org
Rename the files that used to be iotkit.[ch] to
armsse.[ch] to reflect the fact they new cover
multiple Arm subsystems for embedded.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-8-peter.maydell@linaro.org
Rename various internal uses of 'iotkit' in hw/arm/iotkit.c to
'armsse', for consistency. The remaining occurences are:
* related to the devices TYPE_IOTKIT_SYSCTL, TYPE_IOTKIT_SYSINFO,
etc, which this refactor is not touching
* references that apply specifically to the IoTKit (like
the lack of a private CPU region)
* the vmstate, which keeps its old "iotkit" name for
migration compatibility reasons
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-7-peter.maydell@linaro.org
The Arm SSE-200 Subsystem for Embedded is a revised and
extended version of the older IoTKit SoC. Prepare for
adding a model of it by refactoring the IoTKit code into
an abstract base class which contains the functionality,
driven by a class data block specific to each subclass.
(This is the same approach used by the existing bcm283x
SoC family implementation.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-6-peter.maydell@linaro.org
The Arm IoTKit was effectively the forerunner of a series of
subsystems for embedded SoCs, named the SSE-050, SSE-100 and SSE-200:
https://developer.arm.com/products/system-design/subsystems
These are generally quite similar, though later iterations have
extra devices that earlier ones do not.
We want to add a model of the SSE-200, which means refactoring the
IoTKit code into an abstract base class and subclasses (using the
same design that the bcm283x SoC and Aspeed SoC family
implementations do). As a first step, rename the IoTKit struct and
QOM macros to ARMSSE, which is what we're going to name the base
class. We temporarily retain TYPE_IOTKIT to avoid changing the
code that instantiates a TYPE_IOTKIT device here and then changing
it back again when it is re-introduced as a subclass.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-5-peter.maydell@linaro.org
Expose "start-powered-off" as a property of the ARMv7M container,
which we just pass through to the CPU object in the same way that we
do for "init-svtor" and "idau". (We want this for the SSE-200, which
powers up only the first CPU at reset and leaves the second powered
down.)
As with the other CPU properties here, we can't just use alias
properties, because the CPU QOM object is not created until armv7m
realize time.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-4-peter.maydell@linaro.org
Rather than just creating the CPUs with object_new, make them child
objects of the armv7m container. This will allow the cluster code to
find the CPUs if an armv7m object is made a child of a cluster object.
object_new_with_props() will do the parenting for us.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-3-peter.maydell@linaro.org
Currently the ARMv7M NVIC object's realize method assumes that the
CPU the NVIC is attached to is CPU 0, because it thinks there can
only ever be one CPU in the system. To allow a dual-Cortex-M33
setup we need to remove this assumption; instead the armv7m
wrapper object tells the NVIC its CPU, in the same way that it
already tells the CPU what the NVIC is.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190121185118.18550-2-peter.maydell@linaro.org
set object owner in memory_region_init_ram() instead
of NULL.
Signed-off-by: kumar sourav <sourav.jb1988@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190125155630.17430-1-sourav.jb1988@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- New debugging QMP command to explore block graphs
- Converted DPRINTF()s to trace events
- Fixed qemu-io's use of getopt() for systems with optreset
- Minor NVMe emulation fixes
- An iotest fix
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Merge remote-tracking branch 'remotes/xanclic/tags/pull-block-2019-01-31' into staging
Block patches:
- New debugging QMP command to explore block graphs
- Converted DPRINTF()s to trace events
- Fixed qemu-io's use of getopt() for systems with optreset
- Minor NVMe emulation fixes
- An iotest fix
# gpg: Signature made Thu 31 Jan 2019 00:51:46 GMT
# gpg: using RSA key F407DB0061D5CF40
# gpg: Good signature from "Max Reitz <mreitz@redhat.com>" [full]
# Primary key fingerprint: 91BE B60A 30DB 3E88 57D1 1829 F407 DB00 61D5 CF40
* remotes/xanclic/tags/pull-block-2019-01-31:
iotests: Allow 147 to be run concurrently
iotests: Bind qemu-nbd to localhost in 147
iotests.py: Add qemu_nbd_pipe()
nvme: use pci_dev directly in nvme_realize
nvme: ensure the num_queues is not zero
nvme: use TYPE_NVME instead of constant string
qemu-io: Add generic function for reinitializing optind.
block/sheepdog: Convert from DPRINTF() macro to trace events
block/file-posix: Convert from DPRINTF() macro to trace events
block/curl: Convert from DPRINTF() macro to trace events
block/ssh: Convert from DPRINTF() macro to trace events
scripts: add render_block_graph function for QEMUMachine
qapi: add x-debug-query-block-graph
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- code clean-up
- LGPL information clean-up
- fix typo (acpi)
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Merge remote-tracking branch 'remotes/vivier2/tags/trivial-branch-pull-request' into staging
- add device category (edu, i8042, sd memory card)
- code clean-up
- LGPL information clean-up
- fix typo (acpi)
# gpg: Signature made Wed 30 Jan 2019 13:21:50 GMT
# gpg: using RSA key F30C38BD3F2FBE3C
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg: aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg: aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F 5173 F30C 38BD 3F2F BE3C
* remotes/vivier2/tags/trivial-branch-pull-request:
virtio-blk: remove duplicate definition of VirtIOBlock *s pointer
hw/block: clean up stale xen_disk trace entries
target/m68k: Fix LGPL information in the file headers
target/s390x: Fix LGPL version in the file header comments
tcg: Fix LGPL version number
target/tricore: Fix LGPL version number
target/openrisc: Fix LGPL version number
COPYING.LIB: Synchronize the LGPL 2.1 with the version from gnu.org
Don't talk about the LGPL if the file is licensed under the GPL
hw: sd: set category of the sd memory card
hw: input: set category of the i8042 device
typo: apci->acpi
hw: edu: set category of the edu device
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
User-visible changes:
* The new qemu-trace-stap script makes it convenient to collect traces without
writing SystemTap scripts. See "man qemu-trace-stap" for details.
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84bifPdObBm7SbbwtrwoVKYLrdIrbb3PTWaOlWVUKruKIIf8hzn5BxC3wChb2Qk=
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Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
Pull request
User-visible changes:
* The new qemu-trace-stap script makes it convenient to collect traces without
writing SystemTap scripts. See "man qemu-trace-stap" for details.
# gpg: Signature made Wed 30 Jan 2019 03:17:57 GMT
# gpg: using RSA key 9CA4ABB381AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" [full]
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" [full]
# Primary key fingerprint: 8695 A8BF D3F9 7CDA AC35 775A 9CA4 ABB3 81AB 73C8
* remotes/stefanha/tags/tracing-pull-request:
trace: rerun tracetool after ./configure changes
trace: improve runstate tracing
trace: add ability to do simple printf logging via systemtap
trace: forbid use of %m in trace event format strings
trace: enforce that every trace-events file has a final newline
display: ensure qxl log_buf is a nul terminated string
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
There is no need to make another reference.
Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190120055558.32984-4-liq3ea@163.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
When it is zero, it causes segv.
Using following command:
"-drive file=//home/test/test1.img,if=none,id=id0
-device nvme,drive=id0,serial=test,num_queues=0"
causes following Backtrack:
Thread 4 "qemu-system-x86" received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffe9735700 (LWP 30952)]
0x0000555555a7a77c in nvme_start_ctrl (n=0x5555577473f0) at hw/block/nvme.c:825
825 if (unlikely(n->cq[0])) {
(gdb) bt
0 0x0000555555a7a77c in nvme_start_ctrl (n=0x5555577473f0)
at hw/block/nvme.c:825
1 0x0000555555a7af7f in nvme_write_bar (n=0x5555577473f0, offset=20,
data=4587521, size=4) at hw/block/nvme.c:969
2 0x0000555555a7b81a in nvme_mmio_write (opaque=0x5555577473f0, addr=20,
data=4587521, size=4) at hw/block/nvme.c:1163
3 0x0000555555869236 in memory_region_write_accessor (mr=0x555557747cd0,
addr=20, value=0x7fffe97320f8, size=4, shift=0, mask=4294967295, attrs=...)
at /home/test/qemu1/qemu/memory.c:502
4 0x0000555555869446 in access_with_adjusted_size (addr=20,
value=0x7fffe97320f8, size=4, access_size_min=2, access_size_max=8,
access_fn=0x55555586914d <memory_region_write_accessor>,
mr=0x555557747cd0, attrs=...) at /home/test/qemu1/qemu/memory.c:568
5 0x000055555586c479 in memory_region_dispatch_write (mr=0x555557747cd0,
addr=20, data=4587521, size=4, attrs=...)
at /home/test/qemu1/qemu/memory.c:1499
6 0x00005555558030af in flatview_write_continue (fv=0x7fffe0061130,
addr=4273930260, attrs=..., buf=0x7ffff7ff0028 "\001", len=4, addr1=20,
l=4, mr=0x555557747cd0) at /home/test/qemu1/qemu/exec.c:3234
7 0x00005555558031f9 in flatview_write (fv=0x7fffe0061130, addr=4273930260,
attrs=..., buf=0x7ffff7ff0028 "\001", len=4)
at /home/test/qemu1/qemu/exec.c:3273
8 0x00005555558034ff in address_space_write (
---Type <return> to continue, or q <return> to quit---
as=0x555556758480 <address_space_memory>, addr=4273930260, attrs=...,
buf=0x7ffff7ff0028 "\001", len=4) at /home/test/qemu1/qemu/exec.c:3363
9 0x0000555555803550 in address_space_rw (
as=0x555556758480 <address_space_memory>, addr=4273930260, attrs=...,
buf=0x7ffff7ff0028 "\001", len=4, is_write=true)
at /home/test/qemu1/qemu/exec.c:3374
10 0x00005555558884a1 in kvm_cpu_exec (cpu=0x555556920e40)
at /home/test/qemu1/qemu/accel/kvm/kvm-all.c:2031
11 0x000055555584cd9d in qemu_kvm_cpu_thread_fn (arg=0x555556920e40)
at /home/test/qemu1/qemu/cpus.c:1281
12 0x0000555555dbaf6d in qemu_thread_start (args=0x5555569438a0)
at util/qemu-thread-posix.c:502
13 0x00007ffff5dc86db in start_thread (arg=0x7fffe9735700)
at pthread_create.c:463
14 0x00007ffff5af188f in clone ()
at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190120055558.32984-3-liq3ea@163.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190120055558.32984-2-liq3ea@163.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
VirtIOBlock *s is already defined and initialized with req->dev
on top of virtio_blk_handle_request(), so we can remove it from
the code block of VIRTIO_BLK_T_GET_ID case.
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190130095231.42081-1-sgarzare@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This should have been removed then xen_disk.c was removed but I missed them.
Fixes: 19f87870ba
xen: remove the legacy 'xen_disk' backend
Signed-off-by: Paul Durrant <paul.durrant@citrix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190122145132.12571-1-paul.durrant@citrix.com>
[lv: s/stake/stale/ and add "Fixes" tag]
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Sets the category of the sd memory card as DEVICE_CATEGORY_STORAGE.
Devices should be assigned to one of DEVICE_CATEGORY_XXXX.
Signed-off-by: kumar sourav <sourav.jb1988@gmail.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190124162045.10474-1-sourav.jb1988@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Sets the category of i8042 device as DEVICE_CATEGORY_INPUT
Devices should be assigned to one of DEVICE_CATEGORY_XXXX.
Signed-off-by: kumar sourav <sourav.jb1988@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20190125151440.13794-1-sourav.jb1988@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
apci_1_compatible should be acpi_1_compatible.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20190125094047.22276-1-dgilbert@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Sets the category of edu device as DEVICE_CATEGORY_MISC.
Devices should be assigned to one of DEVICE_CATEGORY_XXXX.
Signed-off-by: kumar sourav <sourav.jb1988@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20190124144606.4352-1-sourav.jb1988@gmail.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
qemu_write_full takes care of partial blocking writes,
as in cases of larger file sizes
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Bandan Das <bsd@redhat.com>
Message-id: 20190129131908.27924-4-bsd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
For every MTP_WRITE_BUF_SZ copied, this patch writes it to file before
getting the next block of data. The file is kept opened for the
duration of the operation but the sanity checks on the write operation
are performed only once when the write operation starts. Additionally,
we also update the file size in the object metadata once the file has
completely been written.
Suggested-by: Gerd Hoffman <kraxel@redhat.com>
Signed-off-by: Bandan Das <bsd@redhat.com>
Message-id: 20190129131908.27924-3-bsd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This is a "pre-patch" to breaking up the write buffer for
MTP writes. Instead of allocating a mtp buffer equal to size
sent by the initiator, we start with a small size and reallocate
multiples (of that small size) as needed.
Signed-off-by: Bandan Das <bsd@redhat.com>
Message-id: 20190129131908.27924-2-bsd@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Implement underrun/overrun events of isochronous endpoints
according to XHCI spec (4.10.3.1)
Guest software restarts data streaming when receives these events.
The XHCI reports these events using interrupter assigned
to the slot (as these events do not have TRB), so current
commit adds the field of assigned interrupter to the
XHCISlot structure. Guest software assigns interrupter to the
slot on 'Address Device' and 'Evaluate Context' commands.
Signed-off-by: Yuri Benditovich <yuri.benditovich@janustech.com>
Message-id: 20190128200444.5128-3-yuri.benditovich@janustech.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
According to the XHCI spec (4.10.2) the controller
never halts isochronous endpoints. This commit prevent
stop of isochronous streaming when sporadic errors
status received from backends.
Signed-off-by: Yuri Benditovich <yuri.benditovich@janustech.com>
Message-id: 20190128200444.5128-2-yuri.benditovich@janustech.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
It's either "GNU *Library* General Public version 2" or "GNU Lesser
General Public version *2.1*", but there was no "version 2.0" of the
"Lesser" library. So assume that version 2.1 is meant here.
Additionally, suggest that the user should have received a copy of
the LGPL, and not the GPL here.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-id: 1548254454-7659-1-git-send-email-thuth@redhat.com
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Spotted by Coverity: CID 1397070
Signed-off-by: Li Qiang <liq3ea@163.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190103133113.49599-1-liq3ea@163.com
[ kraxel: dropped chunk which adds close() after successful
fdopendir() call, that is not needed according to
POSIX even though Coverity flags it as bug ]
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Windows guests have trouble dealing with usb devices having identical
serial numbers. So, assign unique serial numbers to usb hid devices.
All other usb devices have this already.
In the past the fixed serial number has been used to indicate working
remote setup to linux guests. Here is a bit of history:
* First there was nothing.
* Then I added a rule to udev checking for serial == 42.
(this is in rhel-6).
* Then systemd + udev merged.
* Then I changed the rule to check for serial != 1 instead, so we can
use any serial but "1" which is the one the old broken devices had
(this is in rhel-7). March 2014 in upstream systemd.
* Then all usb power management rules where dropped from systemd (June
2015). Which I figured today (Sept 2018), after wondering that the
rules are gone in fedora 28.
So, three years ago the serial number check was dropped upstream, yet I
hav't seen a single report about autosuspend issues (or cpu usage for
usb emulation going up, which is the typical symtom).
So I figured I can stop worring that changing the serial number will
break things and just do it.
And even if it turns out autosuspend is still an issue: I think
meanwhile we can really stop worrying about guests running in old qemu
versions with broken usb suspend (fixed in 0.13 !). If needed we can
enable autosuspend unconditionally in guests.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20190110125108.22834-1-kraxel@redhat.com
Two small CPU model updates:
* Enable NPT and NRIPSAVE on AMD CPUs
* Update stepping of Cascadelake-Server
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-next-pull-request' into staging
x86 queue, 2019-01-28
Two small CPU model updates:
* Enable NPT and NRIPSAVE on AMD CPUs
* Update stepping of Cascadelake-Server
# gpg: Signature made Mon 28 Jan 2019 19:36:52 GMT
# gpg: using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6
* remotes/ehabkost/tags/x86-next-pull-request:
i386: Enable NPT and NRIPSAVE for AMD CPUs
i386: Update stepping of Cascadelake-Server
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
For TCG we want to distinguish which cluster a CPU is in, and
we need to do it quickly. Cache the cluster index in the CPUState
struct, by having the cluster object set cpu->cluster_index for
each CPU child when it is realized.
This means that board/SoC code must add all CPUs to the cluster
before realizing the cluster object. Regrettably QOM provides no
way to prevent adding children to a realized object and no way for
the parent to be notified when a new child is added to it, so
we don't have any way to enforce/assert this constraint; all
we can do is document it in a comment. We can at least put in a
check that the cluster contains at least one CPU, which should
catch the typical cases of "realized cluster too early" or
"forgot to parent the CPUs into it".
The restriction on how many clusters can exist in the system
is imposed by TCG code which will be added in a subsequent commit,
but the check to enforce it in cluster.c fits better in this one.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-id: 20190121152218.9592-3-peter.maydell@linaro.org
Currently the cluster implementation doesn't have any constraints
on the ordering of realizing the TYPE_CPU_CLUSTER and populating it
with child objects. We want to impose a constraint that realize
must happen only after all the child objects are added, so move
the realize of rpu_cluster. (The apu_cluster is already
realized after child population.)
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Luc Michel <luc.michel@greensocs.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Message-id: 20190121152218.9592-2-peter.maydell@linaro.org
The m25p80 models dummy cycles using byte transfers. This works well
when the transfers are initiated by the QEMU model of a SPI controller
but when these are initiated by the OS, it breaks emulation.
Snoop the SPI transfer to catch commands requiring dummy cycles and
replace them with byte transfers compatible with the m25p80 model.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>
Message-id: 20190124140519.13838-5-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The SMC controllers have a register containing the byte that will be
used as dummy output. It can be modified by software.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190124140519.13838-4-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
The model should expose one control register per possible CS. When
testing the validity of the register number in the read operation,
replace 's->num_cs' by 'ctrl->max_slaves' which represents the maximum
number of flash devices a controller can handle.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190124140519.13838-3-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
0xFFFFFFFF should be returned for non implemented registers.
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Message-id: 20190124140519.13838-2-clg@kaod.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
If we aren't going to create any RPUs, then don't create the
rpu-cluster unit. This allows us to add an assertion to the
cluster object that it contains at least one CPU, which helps
to avoid bugs in creating clusters and putting CPUs in them.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20190121184314.14311-1-peter.maydell@linaro.org
Recent microbit firmwares panic if the TWI magnetometer/accelerometer
devices are not detected during startup. We don't implement TWI (I2C)
so let's stub out these devices just to let the firmware boot.
Signed-off by: Steffen Görtz <contrib@steffen-goertz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-id: 20190110094020.18354-2-stefanha@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
[PMM: fixed comment style]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Modern AMD CPUs support NPT and NRIPSAVE features and KVM exposes these
when present. NRIPSAVE apeared somewhere in Opteron_G3 lifetime (e.g.
QuadCore AMD Opteron 2378 has is but QuadCore AMD Opteron HE 2344 doesn't),
NPT was introduced a bit earlier.
Add the FEAT_SVM leaf to Opteron_G4/G5 and EPYC/EPYC-IBPB cpu models.
Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Message-Id: <20190121155051.5628-1-vkuznets@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Update the stepping from 5 to 6, in order that
the Cascadelake-Server CPU model can support AVX512VNNI
and MSR based features exposed by ARCH_CAPABILITIES.
Signed-off-by: Tao Xu <tao3.xu@intel.com>
Message-Id: <20181227024304.12182-2-tao3.xu@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This device only implemented ISA compatibility mode and native PCI IDE
mode was missing but no clients actually need ISA mode but to the
contrary, they usually want to switch to and use device in native
PCI IDE mode. Therefore implement native PCI mode and switch default
to that.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-id: c323f08c59b9931310c5d92503d370f77ce3a557.1548160772.git.balaton@eik.bme.hu
Signed-off-by: John Snow <jsnow@redhat.com>
