This will make future conversion to use OBJECT_DECLARE* easier.
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Li Qiang <liq3ea@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <20200826184334.4120620-4-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
macOS uses ACPI UIDs to build the DevicePath for NVRAM boot options,
while OVMF firmware gets them via an internal channel through QEMU.
Due to a bug in QEMU ACPI currently UEFI firmware and ACPI have
different values, and this makes the underlying operating system
unable to report its boot option.
The particular node in question is the primary PciRoot (PCI0 in ACPI),
which for some reason gets assigned 1 in ACPI UID and 0 in the
DevicePath. This is due to the _UID assigned to it by build_dsdt in
hw/i386/acpi-build.c Which does not correspond to the primary PCI
identifier given by pcibus_num in hw/pci/pci.c
Reference with the device paths, OVMF startup logs, and ACPI table
dumps (SysReport):
https://github.com/acidanthera/bugtracker/issues/1050
In UEFI v2.8, section "10.4.2 Rules with ACPI _HID and _UID" ends with
the paragraph,
Root PCI bridges will use the plug and play ID of PNP0A03, This will
be stored in the ACPI Device Path _HID field, or in the Expanded
ACPI Device Path _CID field to match the ACPI name space. The _UID
in the ACPI Device Path structure must match the _UID in the ACPI
name space.
(See especially the last sentence.)
Considering *extra* root bridges / root buses (with bus number > 0),
QEMU's ACPI generator actually does the right thing; since QEMU commit
c96d9286a6 ("i386/acpi-build: more traditional _UID and _HID for PXB
root buses", 2015-06-11).
However, the _UID values for root bridge zero (on both i440fx and q35)
have always been "wrong" (from UEFI perspective), going back in QEMU to
commit 74523b8501 ("i386: add ACPI table files from seabios",
2013-10-14).
Even in SeaBIOS, these _UID values have always been 1; see commit
a4d357638c57 ("Port rombios32 code from bochs-bios.", 2008-03-08) for
i440fx, and commit ecbe3fd61511 ("seabios: q35: add dsdt", 2012-12-01)
for q35.
Cc: qemu-stable@nongnu.org
Suggested-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Vitaly Cheptsov <vit9696@protonmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Each architecture's sourceset is placed in an hw_arch dictionary, and picked up
from there when building the per-emulator static_library.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Meson doesn't enjoy the same flexibility we have with Make in choosing
the include path. In particular the tracing headers are using
$(build_root)/$(<D).
In order to keep the include directives unchanged,
the simplest solution is to generate headers with patterns like
"trace/trace-audio.h" and place forwarding headers in the source tree
such that for example "audio/trace.h" includes "trace/trace-audio.h".
This patch is too ugly to be applied to the Makefiles now. It's only
a way to separate the changes to the tracing header files from the
Meson rewrite of the tracing logic.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Add 5.2 machine types for arm/i440fx/q35/s390x/spapr.
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Message-Id: <20200819144016.281156-1-cohuck@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
The pci host config register is used to save PCI address for
read/write config data. If guest writes a value to config register,
and then QEMU pauses the vcpu to migrate, after the migration, the guest
will continue to write pci config data, and the write data will be ignored
because of new qemu process losing the config register state.
To trigger the bug:
1. guest is booting in seabios.
2. guest enables the SMRAM in seabios:piix4_apmc_smm_setup, and then
expects to disable the SMRAM by pci_config_writeb.
3. after guest writes the pci host config register, QEMU pauses vcpu
to finish migration.
4. guest write of config data(0x0A) fails to disable the SMRAM because
the config register state is lost.
5. guest continues to boot and crashes in ipxe option ROM due to SMRAM
in enabled state.
Example Reproducer:
step 1. Make modifications to seabios and qemu for increase reproduction
efficiency, write 0xf0 to 0x402 port notify qemu to stop vcpu after
0x0cf8 port wrote i440 configure register. qemu stop vcpu when catch
0x402 port wrote 0xf0.
seabios:/src/hw/pci.c
@@ -52,6 +52,11 @@ void pci_config_writeb(u16 bdf, u32 addr, u8 val)
writeb(mmconfig_addr(bdf, addr), val);
} else {
outl(ioconfig_cmd(bdf, addr), PORT_PCI_CMD);
+ if (bdf == 0 && addr == 0x72 && val == 0xa) {
+ dprintf(1, "stop vcpu\n");
+ outb(0xf0, 0x402); // notify qemu to stop vcpu
+ dprintf(1, "resume vcpu\n");
+ }
outb(val, PORT_PCI_DATA + (addr & 3));
}
}
qemu:hw/char/debugcon.c
@@ -60,6 +61,9 @@ static void debugcon_ioport_write(void *opaque, hwaddr addr, uint64_t val,
printf(" [debugcon: write addr=0x%04" HWADDR_PRIx " val=0x%02" PRIx64 "]\n", addr, val);
#endif
+ if (ch == 0xf0) {
+ vm_stop(RUN_STATE_PAUSED);
+ }
/* XXX this blocks entire thread. Rewrite to use
* qemu_chr_fe_write and background I/O callbacks */
qemu_chr_fe_write_all(&s->chr, &ch, 1);
step 2. start vm1 by the following command line, and then vm stopped.
$ qemu-system-x86_64 -machine pc-i440fx-5.0,accel=kvm\
-netdev tap,ifname=tap-test,id=hostnet0,vhost=on,downscript=no,script=no\
-device virtio-net-pci,netdev=hostnet0,id=net0,bus=pci.0,addr=0x13,bootindex=3\
-device cirrus-vga,id=video0,vgamem_mb=16,bus=pci.0,addr=0x2\
-chardev file,id=seabios,path=/var/log/test.seabios,append=on\
-device isa-debugcon,iobase=0x402,chardev=seabios\
-monitor stdio
step 3. start vm2 to accept vm1 state.
$ qemu-system-x86_64 -machine pc-i440fx-5.0,accel=kvm\
-netdev tap,ifname=tap-test1,id=hostnet0,vhost=on,downscript=no,script=no\
-device virtio-net-pci,netdev=hostnet0,id=net0,bus=pci.0,addr=0x13,bootindex=3\
-device cirrus-vga,id=video0,vgamem_mb=16,bus=pci.0,addr=0x2\
-chardev file,id=seabios,path=/var/log/test.seabios,append=on\
-device isa-debugcon,iobase=0x402,chardev=seabios\
-monitor stdio \
-incoming tcp:127.0.0.1:8000
step 4. execute the following qmp command in vm1 to migrate.
(qemu) migrate tcp:127.0.0.1:8000
step 5. execute the following qmp command in vm2 to resume vcpu.
(qemu) cont
Before this patch, we get KVM "emulation failure" error on vm2.
This patch fixes it.
Cc: qemu-stable@nongnu.org
Signed-off-by: Hogan Wang <hogan.wang@huawei.com>
Message-Id: <20200727084621.3279-1-hogan.wang@huawei.com>
Reported-by: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tracked down with scripts/coccinelle/err-bad-newline.cocci.
Cc: Peter Xu <peterx@redhat.com>
Cc: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200722084048.1726105-3-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Peter Xu <peterx@redhat.com>
In chapter 10.4.23 of VT-d spec 3.0, Descriptor Width bit was introduced
in VTD_IQA_REG. Software could set this bit to tell VT-d the QI descriptor
from software would be 256 bits. Accordingly, the VTD_IQH_QH_SHIFT should
be 5 when descriptor size is 256 bits.
This patch adds the DW bit check when deciding the shift used to update
VTD_IQH_REG.
Signed-off-by: Liu Yi L <yi.l.liu@intel.com>
Message-Id: <1593850035-35483-1-git-send-email-yi.l.liu@intel.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Cc: qemu-stable@nongnu.org
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
tries to fix a leak detected when building with --enable-sanitizers:
./i386-softmmu/qemu-system-i386
Upon exit:
==13576==ERROR: LeakSanitizer: detected memory leaks
Direct leak of 1216 byte(s) in 1 object(s) allocated from:
#0 0x7f9d2ed5c628 in malloc (/usr/lib/x86_64-linux-gnu/libasan.so.5)
#1 0x7f9d2e963500 in g_malloc (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.)
#2 0x55fa646d25cc in object_new_with_type /tmp/qemu/qom/object.c:686
#3 0x55fa63dbaa88 in qdev_new /tmp/qemu/hw/core/qdev.c:140
#4 0x55fa638a533f in pc_pflash_create /tmp/qemu/hw/i386/pc_sysfw.c:88
#5 0x55fa638a54c4 in pc_system_flash_create /tmp/qemu/hw/i386/pc_sysfw.c:106
#6 0x55fa646caa1d in object_init_with_type /tmp/qemu/qom/object.c:369
#7 0x55fa646d20b5 in object_initialize_with_type /tmp/qemu/qom/object.c:511
#8 0x55fa646d2606 in object_new_with_type /tmp/qemu/qom/object.c:687
#9 0x55fa639431e9 in qemu_init /tmp/qemu/softmmu/vl.c:3878
#10 0x55fa6335c1b8 in main /tmp/qemu/softmmu/main.c:48
#11 0x7f9d2cf06e0a in __libc_start_main ../csu/libc-start.c:308
#12 0x55fa6335f8e9 in _start (/tmp/qemu/build/i386-softmmu/qemu-system-i386)
Signed-off-by: Alexander Bulekov <alxndr@bu.edu>
Message-Id: <20200701145231.19531-1-alxndr@bu.edu>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When all we do with an Error we receive into a local variable is
propagating to somewhere else, we can just as well receive it there
right away. The previous two commits did that for sufficiently simple
cases with Coccinelle. Do it for several more manually.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200707160613.848843-37-armbru@redhat.com>
When all we do with an Error we receive into a local variable is
propagating to somewhere else, we can just as well receive it there
right away. Convert
if (!foo(..., &err)) {
...
error_propagate(errp, err);
...
return ...
}
to
if (!foo(..., errp)) {
...
...
return ...
}
where nothing else needs @err. Coccinelle script:
@rule1 forall@
identifier fun, err, errp, lbl;
expression list args, args2;
binary operator op;
constant c1, c2;
symbol false;
@@
if (
(
- fun(args, &err, args2)
+ fun(args, errp, args2)
|
- !fun(args, &err, args2)
+ !fun(args, errp, args2)
|
- fun(args, &err, args2) op c1
+ fun(args, errp, args2) op c1
)
)
{
... when != err
when != lbl:
when strict
- error_propagate(errp, err);
... when != err
(
return;
|
return c2;
|
return false;
)
}
@rule2 forall@
identifier fun, err, errp, lbl;
expression list args, args2;
expression var;
binary operator op;
constant c1, c2;
symbol false;
@@
- var = fun(args, &err, args2);
+ var = fun(args, errp, args2);
... when != err
if (
(
var
|
!var
|
var op c1
)
)
{
... when != err
when != lbl:
when strict
- error_propagate(errp, err);
... when != err
(
return;
|
return c2;
|
return false;
|
return var;
)
}
@depends on rule1 || rule2@
identifier err;
@@
- Error *err = NULL;
... when != err
Not exactly elegant, I'm afraid.
The "when != lbl:" is necessary to avoid transforming
if (fun(args, &err)) {
goto out
}
...
out:
error_propagate(errp, err);
even though other paths to label out still need the error_propagate().
For an actual example, see sclp_realize().
Without the "when strict", Coccinelle transforms vfio_msix_setup(),
incorrectly. I don't know what exactly "when strict" does, only that
it helps here.
The match of return is narrower than what I want, but I can't figure
out how to express "return where the operand doesn't use @err". For
an example where it's too narrow, see vfio_intx_enable().
Silently fails to convert hw/arm/armsse.c, because Coccinelle gets
confused by ARMSSE being used both as typedef and function-like macro
there. Converted manually.
Line breaks tidied up manually. One nested declaration of @local_err
deleted manually. Preexisting unwanted blank line dropped in
hw/riscv/sifive_e.c.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200707160613.848843-35-armbru@redhat.com>
Replace
error_setg(&err, ...);
error_propagate(errp, err);
by
error_setg(errp, ...);
Related pattern:
if (...) {
error_setg(&err, ...);
goto out;
}
...
out:
error_propagate(errp, err);
return;
When all paths to label out are that way, replace by
if (...) {
error_setg(errp, ...);
return;
}
and delete the label along with the error_propagate().
When we have at most one other path that actually needs to propagate,
and maybe one at the end that where propagation is unnecessary, e.g.
foo(..., &err);
if (err) {
goto out;
}
...
bar(..., &err);
out:
error_propagate(errp, err);
return;
move the error_propagate() to where it's needed, like
if (...) {
foo(..., &err);
error_propagate(errp, err);
return;
}
...
bar(..., errp);
return;
and transform the error_setg() as above.
In some places, the transformation results in obviously unnecessary
error_propagate(). The next few commits will eliminate them.
Bonus: the elimination of gotos will make later patches in this series
easier to review.
Candidates for conversion tracked down with this Coccinelle script:
@@
identifier err, errp;
expression list args;
@@
- error_setg(&err, args);
+ error_setg(errp, args);
... when != err
error_propagate(errp, err);
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200707160613.848843-34-armbru@redhat.com>
The previous commit enables conversion of
foo(..., &err);
if (err) {
...
}
to
if (!foo(..., errp)) {
...
}
for QOM functions that now return true / false on success / error.
Coccinelle script:
@@
identifier fun = {
object_apply_global_props, object_initialize_child_with_props,
object_initialize_child_with_propsv, object_property_get,
object_property_get_bool, object_property_parse, object_property_set,
object_property_set_bool, object_property_set_int,
object_property_set_link, object_property_set_qobject,
object_property_set_str, object_property_set_uint, object_set_props,
object_set_propv, user_creatable_add_dict,
user_creatable_complete, user_creatable_del
};
expression list args, args2;
typedef Error;
Error *err;
@@
- fun(args, &err, args2);
- if (err)
+ if (!fun(args, &err, args2))
{
...
}
Fails to convert hw/arm/armsse.c, because Coccinelle gets confused by
ARMSSE being used both as typedef and function-like macro there.
Convert manually.
Line breaks tidied up manually.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200707160613.848843-29-armbru@redhat.com>
The object_property_set_FOO() setters take property name and value in
an unusual order:
void object_property_set_FOO(Object *obj, FOO_TYPE value,
const char *name, Error **errp)
Having to pass value before name feels grating. Swap them.
Same for object_property_set(), object_property_get(), and
object_property_parse().
Convert callers with this Coccinelle script:
@@
identifier fun = {
object_property_get, object_property_parse, object_property_set_str,
object_property_set_link, object_property_set_bool,
object_property_set_int, object_property_set_uint, object_property_set,
object_property_set_qobject
};
expression obj, v, name, errp;
@@
- fun(obj, v, name, errp)
+ fun(obj, name, v, errp)
Chokes on hw/arm/musicpal.c's lcd_refresh() with the unhelpful error
message "no position information". Convert that one manually.
Fails to convert hw/arm/armsse.c, because Coccinelle gets confused by
ARMSSE being used both as typedef and function-like macro there.
Convert manually.
Fails to convert hw/rx/rx-gdbsim.c, because Coccinelle gets confused
by RXCPU being used both as typedef and function-like macro there.
Convert manually. The other files using RXCPU that way don't need
conversion.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200707160613.848843-27-armbru@redhat.com>
[Straightforwad conflict with commit 2336172d9b "audio: set default
value for pcspk.iobase property" resolved]
The previous commit enables conversion of
visit_foo(..., &err);
if (err) {
...
}
to
if (!visit_foo(..., errp)) {
...
}
for visitor functions that now return true / false on success / error.
Coccinelle script:
@@
identifier fun =~ "check_list|input_type_enum|lv_start_struct|lv_type_bool|lv_type_int64|lv_type_str|lv_type_uint64|output_type_enum|parse_type_bool|parse_type_int64|parse_type_null|parse_type_number|parse_type_size|parse_type_str|parse_type_uint64|print_type_bool|print_type_int64|print_type_null|print_type_number|print_type_size|print_type_str|print_type_uint64|qapi_clone_start_alternate|qapi_clone_start_list|qapi_clone_start_struct|qapi_clone_type_bool|qapi_clone_type_int64|qapi_clone_type_null|qapi_clone_type_number|qapi_clone_type_str|qapi_clone_type_uint64|qapi_dealloc_start_list|qapi_dealloc_start_struct|qapi_dealloc_type_anything|qapi_dealloc_type_bool|qapi_dealloc_type_int64|qapi_dealloc_type_null|qapi_dealloc_type_number|qapi_dealloc_type_str|qapi_dealloc_type_uint64|qobject_input_check_list|qobject_input_check_struct|qobject_input_start_alternate|qobject_input_start_list|qobject_input_start_struct|qobject_input_type_any|qobject_input_type_bool|qobject_input_type_bool_keyval|qobject_input_type_int64|qobject_input_type_int64_keyval|qobject_input_type_null|qobject_input_type_number|qobject_input_type_number_keyval|qobject_input_type_size_keyval|qobject_input_type_str|qobject_input_type_str_keyval|qobject_input_type_uint64|qobject_input_type_uint64_keyval|qobject_output_start_list|qobject_output_start_struct|qobject_output_type_any|qobject_output_type_bool|qobject_output_type_int64|qobject_output_type_null|qobject_output_type_number|qobject_output_type_str|qobject_output_type_uint64|start_list|visit_check_list|visit_check_struct|visit_start_alternate|visit_start_list|visit_start_struct|visit_type_.*";
expression list args;
typedef Error;
Error *err;
@@
- fun(args, &err);
- if (err)
+ if (!fun(args, &err))
{
...
}
A few line breaks tidied up manually.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <20200707160613.848843-19-armbru@redhat.com>
The generic pc_machine_initfn() calls pc_system_flash_create() which creates
'system.flash0' and 'system.flash1' devices. These devices are then realized
by pc_system_flash_map() which is called from pc_system_firmware_init() which
itself is called via pc_memory_init(). The latter however is not called when
xen_enable() is true and hence the following assertion fails:
qemu-system-i386: hw/core/qdev.c:439: qdev_assert_realized_properly:
Assertion `dev->realized' failed
These flash devices are unneeded when using Xen so this patch avoids the
assertion by simply removing them using pc_system_flash_cleanup_unused().
Reported-by: Jason Andryuk <jandryuk@gmail.com>
Fixes: ebc29e1bea ("pc: Support firmware configuration with -blockdev")
Signed-off-by: Paul Durrant <pdurrant@amazon.com>
Tested-by: Jason Andryuk <jandryuk@gmail.com>
Reviewed-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200624121841.17971-3-paul@xen.org>
Fixes: dfe8c79c44 ("qdev: Assert onboard devices all get realized properly")
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Add deprecation message to the audio init function.
Factor out audio initialization and call that from
both audio init and realize, so setting the audiodev
property is enough to properly initialize pcspk.
Add a property alias to the machine type to set the
audio device, so pcspk can be initialized using:
"-machine pcspk-audiodev=<name>"
Using "-global isa-pcspk.audiodev=<name>" works too but
is not recommended.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-18-kraxel@redhat.com
Create the pcspk device early, so it exists at
machine type initialization time.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-17-kraxel@redhat.com
Instead of creating and returning the pc speaker accept it as argument.
That allows to rework the initialization workflow in followup patches.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-16-kraxel@redhat.com
Now that we pass pcms anyway, we don't need the no_vmport arg any more.
No functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-14-kraxel@redhat.com
Now that we pass pcms anyway, we don't need the has_pit arg any more.
No functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-13-kraxel@redhat.com
Need access to pcms for pcspk initialization.
Just preparation, no functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-id: 20200702132525.6849-12-kraxel@redhat.com
Let's auto-enable it also when maxmem is specified but no slots are
defined. This will result in us properly creating ACPI srat tables,
indicating the maximum possible PFN to the guest OS. Based on this, e.g.,
Linux will enable the swiotlb properly.
This avoids having to manually force the switolb on (swiotlb=force) in
Linux in case we're booting only using DMA memory (e.g., 2GB on x86-64),
and virtio-mem adds memory later on that really needs the swiotlb to be
used for DMA.
Let's take care of backwards compatibility if somebody has a setup that
specifies "maxram" without "slots".
Reported-by: Alex Shi <alex.shi@linux.alibaba.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Sergio Lopez <slp@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: qemu-arm@nongnu.org <qemu-arm@nongnu.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200626072248.78761-22-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Let's wire it up similar to virtio-pmem. Also disallow unplug, so it's
harder for users to shoot themselves into the foot.
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: Eric Blake <eblake@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200626072248.78761-16-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
E.g., with "pc-q35-4.2", trying to coldplug a virtio-pmem-pci devices
results in
"virtio-pmem-pci not supported on this bus"
Reasons is, that the bus does not support hotplug and, therefore, does
not have a hotplug handler. Let's allow coldplugging virtio-pmem devices
on such buses. The hotplug order is only relevant for virtio-pmem-pci
when the guest is already alive and the device is visible before
memory_device_plug() wired up the memory device bits.
Hotplug attempts will still fail with:
"Error: Bus 'pcie.0' does not support hotplugging"
Hotunplug attempts will still fail with:
"Error: Bus 'pcie.0' does not support hotplugging"
Reported-by: Vivek Goyal <vgoyal@redhat.com>
Reviewed-by: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: Pankaj Gupta <pankaj.gupta.linux@gmail.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Marcel Apfelbaum <marcel.apfelbaum@gmail.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20200626072248.78761-2-david@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL. Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.
amdvi_realize() is wrong that way: it passes @errp to qdev_realize(),
object_property_get_int(), and msi_init() without checking it. I
can't tell offhand whether qdev_realize() can fail here. Fix by
checking it for failure. object_property_get_int() can't. Fix by
passing &error_abort instead.
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200630090351.1247703-22-armbru@redhat.com>
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL. Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call.
x86_cpu_new() is wrong that way: it passes &local_err to
object_property_set_uint() without checking it, and then to
qdev_realize(). If both fail, we'll trip error_setv()'s assertion.
To assess the bug's impact, we'd need to figure out how to make both
calls fail. Too much work for ignorant me, sorry.
Fix by checking for failure right away.
Cc: Igor Mammedov <imammedo@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200630090351.1247703-21-armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
It seems like Windows does not really require 2 IRQs to have a
functioning VMBus.
Signed-off-by: Jon Doron <arilou@gmail.com>
Message-Id: <20200617160904.681845-2-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Deprecation period is run out and it's a time to flip the switch
introduced by cd5ff8333a. Disable legacy option for new machine
types (since 5.1) and amend documentation.
'-numa node,memdev' shall be used instead of disabled option
with new machine types.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Message-Id: <20200609135635.761587-1-imammedo@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
x86 machines can have a single ISA bus only.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200619091905.21676-9-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Add helper function to add fw_cfg device,
also move code to hw/i386/fw_cfg.c.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200619091905.21676-8-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
DSDT change: isa device order changes in case MI1 (ipmi) is present.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200619091905.21676-7-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Message-Id: <20200619091905.21676-6-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
DSDT change: isa device order changes in case MI1 (ipmi) is present.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200619091905.21676-4-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Helper function fdctrl_init_isa() is less than helpful: one of three
places creating "isa-fdc" devices use it. Open-code it there, and
drop the function.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200622094227.1271650-6-armbru@redhat.com>
Move from X86MachineClass to PCMachineClass so it disappears
from microvm machine type property list.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-id: 20200529073957.8018-4-kraxel@redhat.com
Not useful for microvm and allows users to shoot themself
into the foot (make ram + mmio overlap).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200529073957.8018-3-kraxel@redhat.com
Looks like the logic was copied over from q35.
q35 does this for backward compatibility, there is no reason to do this
on microvm though. Also microvm doesn't need much mmio space, 1G is
more than enough. Using an mmio window smaller than 1G is bad for
gigabyte alignment and hugepages though. So split @ 3G unconditionally.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200529073957.8018-2-kraxel@redhat.com
All remaining conversions to qdev_realize() are for bus-less devices.
Coccinelle script:
// only correct for bus-less @dev!
@@
expression errp;
expression dev;
@@
- qdev_init_nofail(dev);
+ qdev_realize(dev, NULL, &error_fatal);
@ depends on !(file in "hw/core/qdev.c") && !(file in "hw/core/bus.c")@
expression errp;
expression dev;
symbol true;
@@
- object_property_set_bool(OBJECT(dev), true, "realized", errp);
+ qdev_realize(DEVICE(dev), NULL, errp);
@ depends on !(file in "hw/core/qdev.c") && !(file in "hw/core/bus.c")@
expression errp;
expression dev;
symbol true;
@@
- object_property_set_bool(dev, true, "realized", errp);
+ qdev_realize(DEVICE(dev), NULL, errp);
Note that Coccinelle chokes on ARMSSE typedef vs. macro in
hw/arm/armsse.c. Worked around by temporarily renaming the macro for
the spatch run.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200610053247.1583243-57-armbru@redhat.com>
Same transformation as in the previous commit. Manual, because
convincing Coccinelle to transform these cases is not worthwhile.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200610053247.1583243-21-armbru@redhat.com>
In addition to the qdev_create() patterns converted so far, we have a
qdev_set_parent_bus() pattern. Mostly when we embed a device in a
parent device rather than allocating it on the heap.
This pattern also puts devices in the dangerous "no QOM parent, but
plugged into bus" state I explained in recent commit "qdev: New
qdev_new(), qdev_realize(), etc."
Apply same solution: convert to qdev_realize(). Coccinelle script:
@@
expression dev, bus, errp;
symbol true;
@@
- qdev_set_parent_bus(DEVICE(dev), bus);
...
- object_property_set_bool(OBJECT(dev), true, "realized", errp);
+ qdev_realize(DEVICE(dev), bus, errp);
@ depends on !(file in "qdev-monitor.c") && !(file in "hw/core/qdev.c")@
expression dev, bus, errp;
symbol true;
@@
- qdev_set_parent_bus(dev, bus);
...
- object_property_set_bool(OBJECT(dev), true, "realized", errp);
+ qdev_realize(dev, bus, errp);
@@
expression dev, bus;
symbol true;
@@
- qdev_set_parent_bus(DEVICE(dev), bus);
...
- qdev_init_nofail(DEVICE(dev));
+ qdev_realize(DEVICE(dev), bus, &error_fatal);
Unconverted uses of qdev_set_parent_bus() remain. They'll be
converted later in this series.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200610053247.1583243-12-armbru@redhat.com>
[Also convert new hw/virtio/vhost-user-vsock-pci.c]
Same transformation as in the previous commit. Manual, because
convincing Coccinelle to transform these cases is somewhere between
not worthwhile and infeasible (at least for me).
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200610053247.1583243-11-armbru@redhat.com>
This is the transformation explained in the commit before previous.
Takes care of just one pattern that needs conversion. More to come in
this series.
Coccinelle script:
@ depends on !(file in "hw/arm/highbank.c")@
expression bus, type_name, dev, expr;
@@
- dev = qdev_create(bus, type_name);
+ dev = qdev_new(type_name);
... when != dev = expr
- qdev_init_nofail(dev);
+ qdev_realize_and_unref(dev, bus, &error_fatal);
@@
expression bus, type_name, dev, expr;
identifier DOWN;
@@
- dev = DOWN(qdev_create(bus, type_name));
+ dev = DOWN(qdev_new(type_name));
... when != dev = expr
- qdev_init_nofail(DEVICE(dev));
+ qdev_realize_and_unref(DEVICE(dev), bus, &error_fatal);
@@
expression bus, type_name, expr;
identifier dev;
@@
- DeviceState *dev = qdev_create(bus, type_name);
+ DeviceState *dev = qdev_new(type_name);
... when != dev = expr
- qdev_init_nofail(dev);
+ qdev_realize_and_unref(dev, bus, &error_fatal);
@@
expression bus, type_name, dev, expr, errp;
symbol true;
@@
- dev = qdev_create(bus, type_name);
+ dev = qdev_new(type_name);
... when != dev = expr
- object_property_set_bool(OBJECT(dev), true, "realized", errp);
+ qdev_realize_and_unref(dev, bus, errp);
@@
expression bus, type_name, expr, errp;
identifier dev;
symbol true;
@@
- DeviceState *dev = qdev_create(bus, type_name);
+ DeviceState *dev = qdev_new(type_name);
... when != dev = expr
- object_property_set_bool(OBJECT(dev), true, "realized", errp);
+ qdev_realize_and_unref(dev, bus, errp);
The first rule exempts hw/arm/highbank.c, because it matches along two
control flow paths there, with different @type_name. Covered by the
next commit's manual conversions.
Missing #include "qapi/error.h" added manually.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200610053247.1583243-10-armbru@redhat.com>
[Conflicts in hw/misc/empty_slot.c and hw/sparc/leon3.c resolved]
Xen PCI passthrough support may not be available and thus the global
variable "has_igd_gfx_passthru" might be compiled out. Common code
should not access it in that case.
Unfortunately, we can't use CONFIG_XEN_PCI_PASSTHROUGH directly in
xen-common.c so this patch instead move access to the
has_igd_gfx_passthru variable via function and those functions are
also implemented as stubs. The stubs will be used when QEMU is built
without passthrough support.
Now, when one will want to enable igd-passthru via the -machine
property, they will get an error message if QEMU is built without
passthrough support.
Fixes: 46472d8232 ('xen: convert "-machine igd-passthru" to an accelerator property')
Reported-by: Roger Pau Monné <roger.pau@citrix.com>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <20200603160442.3151170-1-anthony.perard@citrix.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Max slots negotiation for vhost-user.
Free page reporting for balloon.
Partial TPM2 ACPI support for ARM.
Support for NVDIMMs having their own proximity domains.
New vhost-user-vsock device.
Fixes, cleanups in ACPI, PCI, virtio.
New tests for TPM ACPI.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio,acpi,pci: features, fixes, cleanups, tests
Max slots negotiation for vhost-user.
Free page reporting for balloon.
Partial TPM2 ACPI support for ARM.
Support for NVDIMMs having their own proximity domains.
New vhost-user-vsock device.
Fixes, cleanups in ACPI, PCI, virtio.
New tests for TPM ACPI.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
# gpg: Signature made Fri 12 Jun 2020 15:18:04 BST
# gpg: using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg: issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [full]
# gpg: aka "Michael S. Tsirkin <mst@redhat.com>" [full]
# 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
* remotes/mst/tags/for_upstream: (58 commits)
virtio-pci: fix queue_enable write
pci: Display PCI IRQ pin in "info pci"
Fix parameter type in vhost migration log path
acpi: ged: rename event memory region
acpi: fadt: add hw-reduced sleep register support
acpi: madt: skip pci override on pci-less systems.
acpi: create acpi-common.c and move madt code
acpi: make build_madt() more generic.
virtio: add vhost-user-vsock-pci device
virtio: add vhost-user-vsock base device
vhost-vsock: add vhost-vsock-common abstraction
hw/pci: Fix crash when running QEMU with "-nic model=rocker"
libvhost-user: advertise vring features
Lift max ram slots limit in libvhost-user
Support individual region unmap in libvhost-user
Support adding individual regions in libvhost-user
Support ram slot configuration in libvhost-user
Refactor out libvhost-user fault generation logic
Lift max memory slots limit imposed by vhost-user
Transmit vhost-user memory regions individually
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Needed for microvm.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200520132003.9492-8-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
We'll need madt support for microvm.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200520132003.9492-7-kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Remove PCMachineState dependency from build_madt().
Pass AcpiDeviceIf as separate argument instead of
depending on PCMachineState->acpi_dev.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200520132003.9492-6-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Many reserved bits of amd_iommu commands are defined incorrectly in QEMU.
Because of it, QEMU incorrectly injects lots of illegal commands into guest
VM's IOMMU event log.
Signed-off-by: Wei Huang <wei.huang2@amd.com>
Message-Id: <20200418042845.596457-1-wei.huang2@amd.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Trying libFuzzer on the vmport device, we get:
AddressSanitizer:DEADLYSIGNAL
=================================================================
==29476==ERROR: AddressSanitizer: SEGV on unknown address 0x000000008840 (pc 0x56448bec4d79 bp 0x7ffeec9741b0 sp 0x7ffeec9740e0 T0)
==29476==The signal is caused by a READ memory access.
#0 0x56448bec4d78 in vmport_ioport_read (qemu-fuzz-i386+0x1260d78)
#1 0x56448bb5f175 in memory_region_read_accessor (qemu-fuzz-i386+0xefb175)
#2 0x56448bb30c13 in access_with_adjusted_size (qemu-fuzz-i386+0xeccc13)
#3 0x56448bb2ea27 in memory_region_dispatch_read1 (qemu-fuzz-i386+0xecaa27)
#4 0x56448bb2e443 in memory_region_dispatch_read (qemu-fuzz-i386+0xeca443)
#5 0x56448b961ab1 in flatview_read_continue (qemu-fuzz-i386+0xcfdab1)
#6 0x56448b96336d in flatview_read (qemu-fuzz-i386+0xcff36d)
#7 0x56448b962ec4 in address_space_read_full (qemu-fuzz-i386+0xcfeec4)
This is easily reproducible using:
$ echo inb 0x5658 | qemu-system-i386 -M isapc,accel=qtest -qtest stdio
[I 1589796572.009763] OPENED
[R +0.008069] inb 0x5658
Segmentation fault (core dumped)
$ coredumpctl gdb -q
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00005605b54d0f21 in vmport_ioport_read (opaque=0x5605b7531ce0, addr=0, size=4) at hw/i386/vmport.c:77
77 eax = env->regs[R_EAX];
(gdb) p cpu
$1 = (X86CPU *) 0x0
(gdb) bt
#0 0x00005605b54d0f21 in vmport_ioport_read (opaque=0x5605b7531ce0, addr=0, size=4) at hw/i386/vmport.c:77
#1 0x00005605b53db114 in memory_region_read_accessor (mr=0x5605b7531d80, addr=0, value=0x7ffc9d261a30, size=4, shift=0, mask=4294967295, attrs=...) at memory.c:434
#2 0x00005605b53db5d4 in access_with_adjusted_size (addr=0, value=0x7ffc9d261a30, size=1, access_size_min=4, access_size_max=4, access_fn=
0x5605b53db0d2 <memory_region_read_accessor>, mr=0x5605b7531d80, attrs=...) at memory.c:544
#3 0x00005605b53de156 in memory_region_dispatch_read1 (mr=0x5605b7531d80, addr=0, pval=0x7ffc9d261a30, size=1, attrs=...) at memory.c:1396
#4 0x00005605b53de228 in memory_region_dispatch_read (mr=0x5605b7531d80, addr=0, pval=0x7ffc9d261a30, op=MO_8, attrs=...) at memory.c:1424
#5 0x00005605b537c80a in flatview_read_continue (fv=0x5605b7650290, addr=22104, attrs=..., ptr=0x7ffc9d261b4b, len=1, addr1=0, l=1, mr=0x5605b7531d80) at exec.c:3200
#6 0x00005605b537c95d in flatview_read (fv=0x5605b7650290, addr=22104, attrs=..., buf=0x7ffc9d261b4b, len=1) at exec.c:3239
#7 0x00005605b537c9e6 in address_space_read_full (as=0x5605b5f74ac0 <address_space_io>, addr=22104, attrs=..., buf=0x7ffc9d261b4b, len=1) at exec.c:3252
#8 0x00005605b53d5a5d in address_space_read (len=1, buf=0x7ffc9d261b4b, attrs=..., addr=22104, as=0x5605b5f74ac0 <address_space_io>) at include/exec/memory.h:2401
#9 0x00005605b53d5a5d in cpu_inb (addr=22104) at ioport.c:88
X86CPU is NULL because QTest accelerator does not use CPU.
Fix by returning default values when QTest accelerator is used.
Reported-by: Clang AddressSanitizer
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This code is not related to hardware emulation.
Move it under accel/ with the other hypervisors.
Reviewed-by: Paul Durrant <paul@xen.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200508100222.7112-1-philmd@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
vmport_register() is also called from other modules such as vmmouse.
Therefore, these modules rely that vmport is realized before those call
sites. If this is violated, vmport_register() will NULL-deref.
To make such issues easier to debug, assert in vmport_register() that
vmport is already realized.
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-17-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This command returns to guest information on LAPIC bus frequency and TSC
frequency.
One can see how this interface is used by Linux vmware_platform_setup()
introduced in Linux commit 88b094fb8d4f ("x86: Hypervisor detection and
get tsc_freq from hypervisor").
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-16-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signal to guest that hypervisor supports x2apic without VT-d/IOMMU
Interrupt-Remapping support. This allows guest to use x2apic in
case all APIC IDs fits in 8-bit (i.e. Max APIC ID < 255).
See Linux kernel commit 4cca6ea04d31 ("x86/apic: Allow x2apic
without IR on VMware platform") and Linux try_to_enable_x2apic()
function.
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-14-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Command currently returns that it is unimplemented by setting
the reserved-bit in it's return value.
Following patches will return various useful vCPU information
to guest.
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-13-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This is VMware documented functionallity that some guests rely on.
Returns the BIOS UUID of the current virtual machine.
Note that we also introduce a new compatability flag "x-cmds-v2" to
make sure to expose new VMPort commands only to new machine-types.
This flag will also be used by the following patches that will introduce
additional VMPort commands.
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-10-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
No functional change.
Defining an enum for all VMPort commands have the following advantages:
* It gets rid of the error-prone requirement to update VMPORT_ENTRIES
when new VMPort commands are added to QEMU.
* It makes it clear to know by looking at one place at the source, what
are all the VMPort commands supported by QEMU.
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200312165431.82118-9-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
No functional change. This is mere refactoring.
Suggested-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200312165431.82118-8-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
As can be seen from VmCheck_GetVersion() in open-vm-tools code,
CMD_GETVERSION should return vmware-vmx-type in ECX register.
Default is to fake host as VMware ESX server. But user can control
this value by "-global vmport.vmware-vmx-type=X".
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-7-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
vmware-vmx-version is a number returned from CMD_GETVERSION which specifies
to guest VMware Tools the the host VMX version. If the host reports a number
that is different than what the guest VMware Tools expects, it may force
guest to upgrade VMware Tools. (See comment above VERSION_MAGIC and
VmCheck_IsVirtualWorld() function in open-vm-tools open-source code).
For better readability and allow maintaining compatability for guests
which may expect different vmware-vmx-version, make vmware-vmx-version a
VMPort object property. This would allow user to control it's value via
"-global vmport.vmware-vmx-version=X".
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200312165431.82118-6-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This is used as a signal for VMware Tools to know if a command it
attempted to invoke, failed or is unsupported. As a result, VMware Tools
will either report failure to user or fallback to another backdoor command
in attempt to perform some operation.
A few examples:
* open-vm-tools TimeSyncReadHost() function fallbacks to
CMD_GETTIMEFULL command when CMD_GETTIMEFULL_WITH_LAG
fails/unsupported.
* open-vm-tools Hostinfo_NestingSupported() function verifies
EAX != -1 to check for success.
* open-vm-tools Hostinfo_VCPUInfoBackdoor() functions checks
if reserved-bit is set to indicate command is unimplemented.
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-5-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
vmport_ioport_read() returns the value that should propagate to vCPU EAX
register when guest reads VMPort IOPort (i.e. By x86 IN instruction).
However, because vmport_ioport_read() calls cpu_synchronize_state(), the
returned value gets overridden by the value in QEMU vCPU EAX register.
i.e. cpu->env.regs[R_EAX].
To fix this issue, change vmport_ioport_read() to explicitly override
cpu->env.regs[R_EAX] with the value it wish to propagate to vCPU EAX
register.
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-4-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
No functional change.
This is done as a preparation for the following patches that will
introduce several device properties.
Reviewed-by: Nikita Leshenko <nikita.leshchenko@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200312165431.82118-3-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This official VMware open-source project can be used as reference to
understand how guest code interacts with VMPort virtual device. Thus,
providing understanding on how device is expected to behave.
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200312165431.82118-2-liran.alon@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Guest OS uses ACPI to discover VMBus presence. Add a corresponding
entry to DSDT in case VMBus has been enabled.
Experimentally Windows guests were found to require this entry to
include two IRQ resources. They seem to never be used but they still
have to be there.
Make IRQ numbers user-configurable via corresponding properties; use 7
and 13 by default.
Signed-off-by: Evgeny Yakovlev <eyakovlev@virtuozzo.com>
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Signed-off-by: Jon Doron <arilou@gmail.com>
Message-Id: <20200424123444.3481728-6-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
As vmbus-bridge is derived from sysbus device, it has to be whitelisted
to be allowed to be created with -device.
Signed-off-by: Roman Kagan <rkagan@virtuozzo.com>
Signed-off-by: Maciej S. Szmigiero <maciej.szmigiero@oracle.com>
Signed-off-by: Jon Doron <arilou@gmail.com>
Message-Id: <20200424123444.3481728-5-arilou@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
IEC binary prefixes ease code review: the unit is explicit.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200601142930.29408-8-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
We plan to build the TPM2 table on ARM too. In order to reuse the
generation code, let's move build_tpm2() to aml-build.c.
No change in the implementation.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20200601095737.32671-3-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In preparation of its move to the generic acpi code,
let's convert build_tpm2() to use build_append API. This
latter now is prefered in place of direct ACPI struct field
settings with manual endianness conversion.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Message-Id: <20200601095737.32671-2-eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Do not build a TCPA table for TPM 2 anymore but create the log area when
building the TPM2 table. The TCPA table is only needed for TPM 1.2.
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Also adds support for multiple LPT devices.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200515150421.25479-8-kraxel@redhat.com>
The _STA method dates back to the days where we had a static DSDT. The
device is listed in the DSDT table unconditionally and the _STA method
checks a bit in the isa bridge pci config space to figure whenever a
given is isa device is present or not, then evaluates to 0x0f (present)
or 0x00 (absent).
These days the DSDT is generated by qemu anyway, so if a device is not
present we can simply drop it from the DSDT instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200515150421.25479-7-kraxel@redhat.com>
The code uses the isa_serial_io array to figure what the device uid is.
Side effect is that acpi antries are not limited to port 1+2 any more,
we'll also get entries for ports 3+4.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200515150421.25479-6-kraxel@redhat.com>
The _STA method dates back to the days where we had a static DSDT. The
device is listed in the DSDT table unconditionally and the _STA method
checks a bit in the isa bridge pci config space to figure whenever a
given is isa device is present or not, then evaluates to 0x0f (present)
or 0x00 (absent).
These days the DSDT is generated by qemu anyway, so if a device is not
present we can simply drop it from the DSDT instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200515150421.25479-5-kraxel@redhat.com>
NVDIMMs can belong to their own proximity domains, as described by the
NFIT. In such cases, the SRAT needs to have Memory Affinity structures
in the SRAT for these NVDIMMs, otherwise Linux doesn't populate node
data structures properly during NUMA initialization. See the following
for an example failure case.
https://lore.kernel.org/linux-nvdimm/20200416225438.15208-1-vishal.l.verma@intel.com/
Introduce a new helper, nvdimm_build_srat(), and call it for both the
i386 and arm versions of 'build_srat()' to augment the SRAT with
memory affinity information for NVDIMMs.
The relevant command line options to exercise this are below. Nodes 0-1
contain CPUs and regular memory, and nodes 2-3 are the NVDIMM address
space.
-object memory-backend-ram,id=mem0,size=2048M
-numa node,nodeid=0,memdev=mem0,
-numa cpu,node-id=0,socket-id=0
-object memory-backend-ram,id=mem1,size=2048M
-numa node,nodeid=1,memdev=mem1,
-numa cpu,node-id=1,socket-id=1
-numa node,nodeid=2,
-object memory-backend-file,id=nvmem0,share,mem-path=nvdimm-0,size=16384M,align=1G
-device nvdimm,memdev=nvmem0,id=nv0,label-size=2M,node=2
-numa node,nodeid=3,
-object memory-backend-file,id=nvmem1,share,mem-path=nvdimm-1,size=16384M,align=1G
-device nvdimm,memdev=nvmem1,id=nv1,label-size=2M,node=3
Cc: Jingqi Liu <jingqi.liu@intel.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Jingqi Liu <jingqi.liu@intel.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Vishal Verma <vishal.l.verma@intel.com>
Message-Id: <20200606000911.9896-3-vishal.l.verma@intel.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Use the QEMU_IS_ALIGNED() macro to verify the flash block size
is properly aligned. It is quicker to process when reviewing.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200511205246.24621-1-philmd@redhat.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Same story as for object_property_add(): the only way
object_property_del() can fail is when the property with this name
does not exist. Since our property names are all hardcoded, failure
is a programming error, and the appropriate way to handle it is
passing &error_abort. Most callers do that, the commit before
previous fixed one that didn't (and got the error handling wrong), and
the two remaining exceptions ignore errors.
Drop the @errp parameter.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200505152926.18877-19-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Devices may have component devices and buses.
Device realization may fail. Realization is recursive: a device's
realize() method realizes its components, and device_set_realized()
realizes its buses (which should in turn realize the devices on that
bus, except bus_set_realized() doesn't implement that, yet).
When realization of a component or bus fails, we need to roll back:
unrealize everything we realized so far. If any of these unrealizes
failed, the device would be left in an inconsistent state. Must not
happen.
device_set_realized() lets it happen: it ignores errors in the roll
back code starting at label child_realize_fail.
Since realization is recursive, unrealization must be recursive, too.
But how could a partly failed unrealize be rolled back? We'd have to
re-realize, which can fail. This design is fundamentally broken.
device_set_realized() does not roll back at all. Instead, it keeps
unrealizing, ignoring further errors.
It can screw up even for a device with no buses: if the lone
dc->unrealize() fails, it still unregisters vmstate, and calls
listeners' unrealize() callback.
bus_set_realized() does not roll back either. Instead, it stops
unrealizing.
Fortunately, no unrealize method can fail, as we'll see below.
To fix the design error, drop parameter @errp from all the unrealize
methods.
Any unrealize method that uses @errp now needs an update. This leads
us to unrealize() methods that can fail. Merely passing it to another
unrealize method cannot cause failure, though. Here are the ones that
do other things with @errp:
* virtio_serial_device_unrealize()
Fails when qbus_set_hotplug_handler() fails, but still does all the
other work. On failure, the device would stay realized with its
resources completely gone. Oops. Can't happen, because
qbus_set_hotplug_handler() can't actually fail here. Pass
&error_abort to qbus_set_hotplug_handler() instead.
* hw/ppc/spapr_drc.c's unrealize()
Fails when object_property_del() fails, but all the other work is
already done. On failure, the device would stay realized with its
vmstate registration gone. Oops. Can't happen, because
object_property_del() can't actually fail here. Pass &error_abort
to object_property_del() instead.
* spapr_phb_unrealize()
Fails and bails out when remove_drcs() fails, but other work is
already done. On failure, the device would stay realized with some
of its resources gone. Oops. remove_drcs() fails only when
chassis_from_bus()'s object_property_get_uint() fails, and it can't
here. Pass &error_abort to remove_drcs() instead.
Therefore, no unrealize method can fail before this patch.
device_set_realized()'s recursive unrealization via bus uses
object_property_set_bool(). Can't drop @errp there, so pass
&error_abort.
We similarly unrealize with object_property_set_bool() elsewhere,
always ignoring errors. Pass &error_abort instead.
Several unrealize methods no longer handle errors from other unrealize
methods: virtio_9p_device_unrealize(),
virtio_input_device_unrealize(), scsi_qdev_unrealize(), ...
Much of the deleted error handling looks wrong anyway.
One unrealize methods no longer ignore such errors:
usb_ehci_pci_exit().
Several realize methods no longer ignore errors when rolling back:
v9fs_device_realize_common(), pci_qdev_unrealize(),
spapr_phb_realize(), usb_qdev_realize(), vfio_ccw_realize(),
virtio_device_realize().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200505152926.18877-17-armbru@redhat.com>
The only way object_property_add() can fail is when a property with
the same name already exists. Since our property names are all
hardcoded, failure is a programming error, and the appropriate way to
handle it is passing &error_abort.
Same for its variants, except for object_property_add_child(), which
additionally fails when the child already has a parent. Parentage is
also under program control, so this is a programming error, too.
We have a bit over 500 callers. Almost half of them pass
&error_abort, slightly fewer ignore errors, one test case handles
errors, and the remaining few callers pass them to their own callers.
The previous few commits demonstrated once again that ignoring
programming errors is a bad idea.
Of the few ones that pass on errors, several violate the Error API.
The Error ** argument must be NULL, &error_abort, &error_fatal, or a
pointer to a variable containing NULL. Passing an argument of the
latter kind twice without clearing it in between is wrong: if the
first call sets an error, it no longer points to NULL for the second
call. ich9_pm_add_properties(), sparc32_ledma_realize(),
sparc32_dma_realize(), xilinx_axidma_realize(), xilinx_enet_realize()
are wrong that way.
When the one appropriate choice of argument is &error_abort, letting
users pick the argument is a bad idea.
Drop parameter @errp and assert the preconditions instead.
There's one exception to "duplicate property name is a programming
error": the way object_property_add() implements the magic (and
undocumented) "automatic arrayification". Don't drop @errp there.
Instead, rename object_property_add() to object_property_try_add(),
and add the obvious wrapper object_property_add().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200505152926.18877-15-armbru@redhat.com>
[Two semantic rebase conflicts resolved]
object_property_set_description() and
object_class_property_set_description() fail only when property @name
is not found.
There are 85 calls of object_property_set_description() and
object_class_property_set_description(). None of them can fail:
* 84 immediately follow the creation of the property.
* The one in spapr_rng_instance_init() refers to a property created in
spapr_rng_class_init(), from spapr_rng_properties[].
Every one of them still gets to decide what to pass for @errp.
51 calls pass &error_abort, 32 calls pass NULL, one receives the error
and propagates it to &error_abort, and one propagates it to
&error_fatal. I'm actually surprised none of them violates the Error
API.
What are we gaining by letting callers handle the "property not found"
error? Use when the property is not known to exist is simpler: you
don't have to guard the call with a check. We haven't found such a
use in 5+ years. Until we do, let's make life a bit simpler and drop
the @errp parameter.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-Id: <20200505152926.18877-8-armbru@redhat.com>
[One semantic rebase conflict resolved]
The vmmouse helpers are only used in hw/i386/vmmouse.c,
make them static.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200504083342.24273-5-f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Move 'vmport' related declarations in a target-specific header.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200504083342.24273-4-f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Remove unused "hw/input/i8042.h" include.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200504083342.24273-3-f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20200504083342.24273-2-f4bug@amsat.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Microsoft introduced this ACPI table to avoid Windows guests performing
various workarounds for device erratas. As the virtual device emulated
by VMM may not have the errata.
Currently, WAET allows hypervisor to inform guest about two
specific behaviors: One for RTC and the other for ACPI PM timer.
Support for WAET have been introduced since Windows Vista. This ACPI
table is also exposed by other common hypervisors by default, including:
VMware, GCP and AWS.
This patch adds WAET ACPI Table to QEMU.
We set "ACPI PM timer good" bit in "Emualted Device Flags" field to
indicate that the ACPI PM timer has been enhanced to not require
multiple reads to obtain a reliable value.
This results in improving the performance of Windows guests that use
ACPI PM timer by avoiding unnecessary VMExits caused by these multiple
reads.
Co-developed-by: Elad Gabay <elad.gabay@oracle.com>
Signed-off-by: Liran Alon <liran.alon@oracle.com>
Message-Id: <20200313145009.144820-3-liran.alon@oracle.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
This patch makes IO base and size configurable to create NPIO AML for
ACPI NFIT. Since a different architecture like AArch64 does not use
port-mapped IO, a configurable IO base is required to create correct
mapping of ACPI IO address and size.
Signed-off-by: Kwangwoo Lee <kwangwoo.lee@sk.com>
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200421125934.14952-3-shameerali.kolothum.thodi@huawei.com>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Tested-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Also add isa_aml_build() function which walks all isa devices.
This allows to move aml builder code to isa devices.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200429140003.7336-6-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
When returning a constant there is no point in having a method
in the first place, _STA can be a simple integer instead.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200429140003.7336-5-kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Use macro for "etc/table-loader" and move it to the header
file similar to ACPI_BUILD_TABLE_FILE/ACPI_BUILD_RSDP_FILE etc.
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200403101827.30664-2-shameerali.kolothum.thodi@huawei.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
With QEMU 4.0 an incompatible change was added to pc_piix, which makes it
practical impossible to migrate domUs started with qemu2 or qemu3 to
newer qemu versions. Commit 7fccf2a068
added and enabled a new member "smbus_no_migration_support". In commit
4ab2f2a8aa the vmstate_acpi got new
elements, which are conditionally filled. As a result, an incoming
migration expected smbus related data unless smbus migration was
disabled for a given MachineClass. Since first commit forgot to handle
'xenfv', domUs started with QEMU 4.x are incompatible with their QEMU
siblings.
Using other existing machine types, such as 'pc-i440fx-3.1', is not
possible because 'xenfv' creates the 'xen-platform' PCI device at
00:02.0, while all other variants to run a domU would create it at
00:04.0.
To cover both the existing and the broken case of 'xenfv' in a single
qemu binary, a new compatibility variant of 'xenfv-4.2' must be added
which targets domUs started with qemu 4.2. The existing 'xenfv' restores
compatibility of QEMU 5.x with qemu 3.1.
Host admins who started domUs with QEMU 4.x (preferrable QEMU 4.2)
have to use a wrapper script which appends '-machine xenfv-4.2' to
the device-model command line. This is only required if there is no
maintenance window which allows to temporary shutdown the domU and
restart it with a fixed device-model.
The wrapper script is as simple as this:
#!/bin/sh
exec /usr/bin/qemu-system-i386 "$@" -machine xenfv-4.2
With xl this script will be enabled with device_model_override=, see
xl.cfg(5). To live migrate a domU, adjust the existing domU.cfg and pass
it to xl migrate or xl save/restore:
xl migrate -C new-domU.cfg domU remote-host
xl save domU CheckpointFile new-domU.cfg
xl restore new-domU.cfg CheckpointFile
With libvirt this script will be enabled with the <emulator> element in
domU.xml. Use 'virsh edit' prior 'virsh migrate' to replace the existing
<emulator> element to point it to the wrapper script.
Signed-off-by: Olaf Hering <olaf@aepfle.de>
Message-Id: <20200327151841.13877-1-olaf@aepfle.de>
[Adjust tests for blacklisted machine types, simplifying the one in
qom-test. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If the system is numa configured the pkg_offset needs
to be adjusted for EPYC cpu models. Fix it calling the
model specific handler.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396725589.58170.16424607815207074485.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Apicid calculation depends on knowing the total number of numa nodes
for EPYC cpu models. Right now, we are calculating the arch_id while
parsing the numa(parse_numa). At this time, it is not known how many
total numa nodes are configured in the system.
Move the arch_id calculation inside x86_cpus_init. At this time, smp
parse is already completed and numa node information is available.
Override the handlers if use_epyc_apic_id_encoding is enabled in
cpu model definition.
Also replace the calling convention to use handlers from
X86MachineState.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Message-Id: <158396724217.58170.12256158354204870716.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Introduce model specific apicid functions inside X86MachineState.
These functions will be loaded from X86CPUDefinition.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396722838.58170.5675998866484476427.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Remove the global acpi_enabled bool and replace it with an
acpi OnOffAuto machine property.
qemu throws an error now if you use -no-acpi while the machine
type you are using doesn't support acpi in the first place.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20200320100136.11717-1-kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
In the function amdvi_log_event(), we write an event log buffer
entry into guest ram, whose contents are passed to the function
via the "uint64_t *evt" argument. Unfortunately, a spurious
'&' in the call to dma_memory_write() meant that instead of
writing the event to the guest we would write the literal value
of the pointer, plus whatever was in the following 8 bytes
on the stack. This error was spotted by Coverity.
Fix the bug by removing the '&'.
Fixes: CID 1421945
Cc: qemu-stable@nongnu.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20200326105349.24588-1-peter.maydell@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Bug fixes:
* memory encryption: Disable mem merge
(Dr. David Alan Gilbert)
Features:
* New EPYC CPU definitions (Babu Moger)
* Denventon-v2 CPU model (Tao Xu)
* New 'note' field on versioned CPU models (Tao Xu)
Cleanups:
* x86 CPU topology cleanups (Babu Moger)
* cpu: Use DeviceClass reset instead of a special CPUClass reset
(Peter Maydell)
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Merge remote-tracking branch 'remotes/ehabkost/tags/x86-and-machine-pull-request' into staging
x86 and machine queue for 5.0 soft freeze
Bug fixes:
* memory encryption: Disable mem merge
(Dr. David Alan Gilbert)
Features:
* New EPYC CPU definitions (Babu Moger)
* Denventon-v2 CPU model (Tao Xu)
* New 'note' field on versioned CPU models (Tao Xu)
Cleanups:
* x86 CPU topology cleanups (Babu Moger)
* cpu: Use DeviceClass reset instead of a special CPUClass reset
(Peter Maydell)
# gpg: Signature made Wed 18 Mar 2020 01:16:43 GMT
# gpg: using RSA key 5A322FD5ABC4D3DBACCFD1AA2807936F984DC5A6
# gpg: issuer "ehabkost@redhat.com"
# 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-and-machine-pull-request:
hw/i386: Rename apicid_from_topo_ids to x86_apicid_from_topo_ids
hw/i386: Update structures to save the number of nodes per package
hw/i386: Remove unnecessary initialization in x86_cpu_new
machine: Add SMP Sockets in CpuTopology
hw/i386: Consolidate topology functions
hw/i386: Introduce X86CPUTopoInfo to contain topology info
cpu: Use DeviceClass reset instead of a special CPUClass reset
machine/memory encryption: Disable mem merge
hw/i386: Rename X86CPUTopoInfo structure to X86CPUTopoIDs
i386: Add 2nd Generation AMD EPYC processors
i386: Add missing cpu feature bits in EPYC model
target/i386: Add new property note to versioned CPU models
target/i386: Add Denverton-v2 (no MPX) CPU model
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging
Pull request
# gpg: Signature made Tue 17 Mar 2020 23:22:33 GMT
# gpg: using RSA key F9B7ABDBBCACDF95BE76CBD07DEF8106AAFC390E
# gpg: Good signature from "John Snow (John Huston) <jsnow@redhat.com>" [full]
# Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB
# Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E
* remotes/jnsnow/tags/ide-pull-request:
hw/ide: Remove unneeded inclusion of hw/ide.h
hw/ide: Move MAX_IDE_DEVS define to hw/ide/internal.h
hw/ide: Do ide_drive_get() within pci_ide_create_devs()
hw/ide/pci.c: Coding style update to fix checkpatch errors
hw/ide: Remove now unneded #include "hw/pci/pci.h" from hw/ide.h
hw/ide: Get rid of piix4_init function
hw/isa/piix4.c: Introduce variable to store devfn
hw/ide: Get rid of piix3_init functions
hd-geo-test: Clean up use of buf[] in create_qcow2_with_mbr()
via-ide: always use legacy IRQ 14/15 routing
via-ide: allow guests to write to PCI_CLASS_PROG
via-ide: initialise IDE controller in legacy mode
via-ide: ensure that PCI_INTERRUPT_LINE is hard-wired to its default value
pci: Honour wmask when resetting PCI_INTERRUPT_LINE
ide/via: Get rid of via_ide_init()
via-ide: move registration of VMStateDescription to DeviceClass
cmd646: remove unused pci_cmd646_ide_init() function
dp264: use pci_create_simple() to initialise the cmd646 device
cmd646: register vmstate_ide_pci VMStateDescription in DeviceClass
cmd646: register cmd646_reset() function in DeviceClass
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
For consistency rename apicid_from_topo_ids to x86_apicid_from_topo_ids.
No functional change.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396720748.58170.5335409429390890145.stgit@naples-babu.amd.com>
Update structures X86CPUTopoIDs and CPUX86State to hold the number of
nodes per package. This is required to build EPYC mode topology.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396720035.58170.1973738805301006456.stgit@naples-babu.amd.com>
The function pc_cpu_pre_plug takes care of initialization of CPUX86State.
So, remove the initialization here.
Suggested-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396719336.58170.11951852360759449871.stgit@naples-babu.amd.com>
Store the smp sockets in CpuTopology. The socket information required to
build the apic id in EPYC mode. Right now socket information is not passed
to down when decoding the apic id. Add the socket information here.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-Id: <158396718647.58170.2278448323151215741.stgit@naples-babu.amd.com>
This is an effort to re-arrange few data structure for better readability.
1. Add X86CPUTopoInfo which will have all the topology informations
required to build the cpu topology. There is no functional changes.
2. Introduce init_topo_info to initialize X86CPUTopoInfo members from
X86MachineState.
3. Update x86 unit tests for new calling convention with parameter X86CPUTopoInfo
There is no functional changes.
Signed-off-by: Babu Moger <babu.moger@amd.com>
Message-Id: <158396717251.58170.4499717831243474938.stgit@naples-babu.amd.com>
Rename few data structures related to X86 topology. X86CPUTopoIDs will
have individual arch ids. Next patch introduces X86CPUTopoInfo which will
have all topology information(like cores, threads etc..).
Signed-off-by: Babu Moger <babu.moger@amd.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <158326541877.40452.17535023236841538507.stgit@naples-babu.amd.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
After previous clean ups we can drop direct inclusion of hw/ide.h from
several places.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: a3f72b663e537701c63cec5fc9cb8ed4f4249f28.1584457537.git.balaton@eik.bme.hu
Signed-off-by: John Snow <jsnow@redhat.com>
The pci_ide_create_devs() function takes a hd_table parameter but all
callers just pass what ide_drive_get() returns so we can do it locally
simplifying callers and removing hd_table parameter.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: e9713fdded4d212fa68ed03b844e531934226a6f.1584457537.git.balaton@eik.bme.hu
Signed-off-by: John Snow <jsnow@redhat.com>
This removes pci_piix3_ide_init() and pci_piix3_xen_ide_init()
functions similar to clean up done to other ide devices.
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Reviewed-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Message-id: adddfa21552783020d64e1314318cab6d24362c3.1584457537.git.balaton@eik.bme.hu
Signed-off-by: John Snow <jsnow@redhat.com>
vtd_irte_get failed to check the index against the configured table
size, causing an out-of-bounds access on guest memory and potentially
misinterpreting the result.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Message-Id: <4b15b728-bdfe-3bbe-3a5c-ca3baeef3c5c@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Description copied from Linux kernel commit from Gustavo A. R. Silva
(see [3]):
--v-- description start --v--
The current codebase makes use of the zero-length array language
extension to the C90 standard, but the preferred mechanism to
declare variable-length types such as these ones is a flexible
array member [1], introduced in C99:
struct foo {
int stuff;
struct boo array[];
};
By making use of the mechanism above, we will get a compiler
warning in case the flexible array does not occur last in the
structure, which will help us prevent some kind of undefined
behavior bugs from being unadvertenly introduced [2] to the
Linux codebase from now on.
--^-- description end --^--
Do the similar housekeeping in the QEMU codebase (which uses
C99 since commit 7be41675f7).
All these instances of code were found with the help of the
following Coccinelle script:
@@
identifier s, m, a;
type t, T;
@@
struct s {
...
t m;
- T a[0];
+ T a[];
};
@@
identifier s, m, a;
type t, T;
@@
struct s {
...
t m;
- T a[0];
+ T a[];
} QEMU_PACKED;
[1] https://gcc.gnu.org/onlinedocs/gcc/Zero-Length.html
[2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=76497732932f
[3] https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git/commit/?id=17642a2fbd2c1
Inspired-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
All this files use methods/definitions declared in the NVDIMM
device header. Include it.
This fixes (when modifying unrelated headers):
hw/i386/acpi-build.c:2733:9: error: implicit declaration of function 'nvdimm_build_acpi' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
nvdimm_build_acpi(table_offsets, tables_blob, tables->linker,
^
hw/i386/pc.c:1996:61: error: use of undeclared identifier 'TYPE_NVDIMM'
const bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
^
hw/i386/pc.c:2032:55: error: use of undeclared identifier 'TYPE_NVDIMM'
bool is_nvdimm = object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM);
^
hw/i386/pc.c:2040:9: error: implicit declaration of function 'nvdimm_plug' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
nvdimm_plug(ms->nvdimms_state);
^
hw/i386/pc.c:2040:9: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
nvdimm_plug(ms->nvdimms_state);
^
hw/i386/pc.c:2065:42: error: use of undeclared identifier 'TYPE_NVDIMM'
if (object_dynamic_cast(OBJECT(dev), TYPE_NVDIMM)) {
^
hw/i386/pc_i440fx.c:307:9: error: implicit declaration of function 'nvdimm_init_acpi_state' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
^
hw/i386/pc_q35.c:332:9: error: implicit declaration of function 'nvdimm_init_acpi_state' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
nvdimm_init_acpi_state(machine->nvdimms_state, system_io,
^
Acked-by: John Snow <jsnow@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200228114649.12818-17-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
The vtd_find_as_from_bus_num() function was introduced (in commit
dbaabb25f) in a code format that could return an incorrect pointer,
which was later fixed by commit a2e1cd41cc.
We could have avoided this by writing the if() statement differently.
Do it now, in case this function is re-used. The code is easier to
review (harder to miss bugs).
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200305102702.31512-1-philmd@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Let's separate the compilation of tpm_tis_common.c from
the compilation of tpm_tis_isa.c
The common part will be also compiled along with the
tpm_tis_sysbus device.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 20200305165149.618-5-eric.auger@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
As we plan to introduce a sysbus TPM_TIS, let's rename
TPM_TIS into TPM_TIS_ISA.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Message-id: 20200305165149.618-2-eric.auger@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
There's no good reason for it to be type int, change it to bool.
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200207161948.15972-3-philmd@redhat.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
memory_region_allocate_system_memory() API is going away, so
replace it with memdev allocated MemoryRegion. The later is
initialized by generic code, so board only needs to opt in
to memdev scheme by providing
MachineClass::default_ram_id
and using MachineState::ram instead of manually initializing
RAM memory region.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200219160953.13771-44-imammedo@redhat.com>
memory_region_allocate_system_memory() API is going away, so
replace it with memdev allocated MemoryRegion. The later is
initialized by generic code, so board only needs to opt in
to memdev scheme by providing
MachineClass::default_ram_id
and using MachineState::ram instead of manually initializing
RAM memory region.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200219160953.13771-43-imammedo@redhat.com>
QEMU currently crashes when the user tries to use the "vmmouse" on a
machine without vmport, e.g.:
$ x86_64-softmmu/qemu-system-x86_64 -machine microvm -device vmmouse
Segmentation fault (core dumped)
or:
$ x86_64-softmmu/qemu-system-x86_64 -device vmmouse -M pc,vmport=off
Segmentation fault (core dumped)
Let's avoid the crash by checking for the vmport device first.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Darren Kenny <darren.kenny@oracle.com>
Message-Id: <20200129112954.4282-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Provide a temporary device_legacy_reset function doing what
device_reset does to prepare for the transition with Resettable
API.
All occurrence of device_reset in the code tree are also replaced
by device_legacy_reset.
The new resettable API has different prototype and semantics
(resetting child buses as well as the specified device). Subsequent
commits will make the changeover for each call site individually; once
that is complete device_legacy_reset() will be removed.
Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
Acked-by: Cornelia Huck <cohuck@redhat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200123132823.1117486-2-damien.hedde@greensocs.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
While loading the executable, some platforms (like AVR) need to
detect CPU type that executable is built for - and, with this patch,
this is enabled by reading the field 'e_flags' of the ELF header of
the executable in question. The change expands functionality of
the following functions:
- load_elf()
- load_elf_as()
- load_elf_ram()
- load_elf_ram_sym()
The argument added to these functions is called 'pflags' and is of
type 'uint32_t*' (that matches 'pointer to 'elf_word'', 'elf_word'
being the type of the field 'e_flags', in both 32-bit and 64-bit
variants of ELF header). Callers are allowed to pass NULL as that
argument, and in such case no lookup to the field 'e_flags' will
happen, and no information will be returned, of course.
CC: Richard Henderson <rth@twiddle.net>
CC: Peter Maydell <peter.maydell@linaro.org>
CC: Edgar E. Iglesias <edgar.iglesias@gmail.com>
CC: Michael Walle <michael@walle.cc>
CC: Thomas Huth <huth@tuxfamily.org>
CC: Laurent Vivier <laurent@vivier.eu>
CC: Philippe Mathieu-Daudé <f4bug@amsat.org>
CC: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
CC: Aurelien Jarno <aurelien@aurel32.net>
CC: Jia Liu <proljc@gmail.com>
CC: David Gibson <david@gibson.dropbear.id.au>
CC: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
CC: BALATON Zoltan <balaton@eik.bme.hu>
CC: Christian Borntraeger <borntraeger@de.ibm.com>
CC: Thomas Huth <thuth@redhat.com>
CC: Artyom Tarasenko <atar4qemu@gmail.com>
CC: Fabien Chouteau <chouteau@adacore.com>
CC: KONRAD Frederic <frederic.konrad@adacore.com>
CC: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Aleksandar Rikalo <aleksandar.rikalo@rt-rk.com>
Signed-off-by: Michael Rolnik <mrolnik@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Message-Id: <1580079311-20447-24-git-send-email-aleksandar.markovic@rt-rk.com>
* Cleanups (Philippe)
* virtio-scsi fix (Pan Nengyuan)
* Tweak Skylake-v3 model id (Kashyap)
* x86 UCODE_REV support and nested live migration fix (myself)
* Advisory mode for pvpanic (Zhenwei)
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.22 (GNU/Linux)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Register qdev properties as class properties (Marc-André)
* Cleanups (Philippe)
* virtio-scsi fix (Pan Nengyuan)
* Tweak Skylake-v3 model id (Kashyap)
* x86 UCODE_REV support and nested live migration fix (myself)
* Advisory mode for pvpanic (Zhenwei)
# gpg: Signature made Fri 24 Jan 2020 20:16:23 GMT
# gpg: using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream: (58 commits)
build-sys: clean up flags included in the linker command line
target/i386: Add the 'model-id' for Skylake -v3 CPU models
qdev: use object_property_help()
qapi/qmp: add ObjectPropertyInfo.default-value
qom: introduce object_property_help()
qom: simplify qmp_device_list_properties()
vl: print default value in object help
qdev: register properties as class properties
qdev: move instance properties to class properties
qdev: rename DeviceClass.props
qdev: set properties with device_class_set_props()
object: return self in object_ref()
object: release all props
object: add object_class_property_add_link()
object: express const link with link property
object: add direct link flag
object: rename link "child" to "target"
object: check strong flag with &
object: do not free class properties
object: add object_property_set_default
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Per the ACPI spec (version 6.1, section 6.1.5 _HID) it is not required
on enumerated buses (like PCI in this case), _ADR is required (and is
already there). And the _HID value is wrong. Linux appears to ignore
the _HID entry, but Windows 10 detects it as 'Unknown Device' and there
is no driver available. See https://bugs.launchpad.net/qemu/+bug/1856724
Signed-off-by: Corey Minyard <cminyard@mvista.com>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <20200120170725.24935-6-minyard@acm.org>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
It's not what real HW does, implementing which would be overkill [**]
and would require complex cross stack changes (QEMU+firmware) to make
it work.
So considering that SMRAM is owned by MCH, for simplicity (ab)use
reserved Q35 register, which allows QEMU and firmware easily init
and make RAM at SMBASE available only from SMM context.
Patch uses commit (2f295167e0 q35/mch: implement extended TSEG sizes)
for inspiration and uses reserved register in config space at 0x9c
offset [*] to extend q35 pci-host with ability to use 128K at
0x30000 as SMRAM and hide it (like TSEG) from non-SMM context.
Usage:
1: write 0xff in the register
2: if the feature is supported, follow up read from the register
should return 0x01. At this point RAM at 0x30000 is still
available for SMI handler configuration from non-SMM context
3: writing 0x02 in the register, locks SMBASE area, making its contents
available only from SMM context. In non-SMM context, reads return
0xff and writes are ignored. Further writes into the register are
ignored until the system reset.
*) https://www.mail-archive.com/qemu-devel@nongnu.org/msg455991.html
**) https://www.mail-archive.com/qemu-devel@nongnu.org/msg646965.html
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1575896942-331151-3-git-send-email-imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
* Command line parsing fixes (Michal, Peter, Xiaoyao)
* Cooperlake CPU model fixes (Xiaoyao)
* i386 gdb fix (mkdolata)
* IOEventHandler cleanup (Philippe)
* icount fix (Pavel)
* RR support for random number sources (Pavel)
* Kconfig fixes (Philippe)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging
* Compat machines fix (Denis)
* Command line parsing fixes (Michal, Peter, Xiaoyao)
* Cooperlake CPU model fixes (Xiaoyao)
* i386 gdb fix (mkdolata)
* IOEventHandler cleanup (Philippe)
* icount fix (Pavel)
* RR support for random number sources (Pavel)
* Kconfig fixes (Philippe)
# gpg: Signature made Wed 08 Jan 2020 10:41:00 GMT
# gpg: using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream: (38 commits)
chardev: Use QEMUChrEvent enum in IOEventHandler typedef
chardev: use QEMUChrEvent instead of int
chardev/char: Explicit we ignore some QEMUChrEvent in IOEventHandler
monitor/hmp: Explicit we ignore a QEMUChrEvent in IOEventHandler
monitor/qmp: Explicit we ignore few QEMUChrEvent in IOEventHandler
virtio-console: Explicit we ignore some QEMUChrEvent in IOEventHandler
vhost-user-blk: Explicit we ignore few QEMUChrEvent in IOEventHandler
vhost-user-net: Explicit we ignore few QEMUChrEvent in IOEventHandler
vhost-user-crypto: Explicit we ignore some QEMUChrEvent in IOEventHandler
ccid-card-passthru: Explicit we ignore QEMUChrEvent in IOEventHandler
hw/usb/redirect: Explicit we ignore few QEMUChrEvent in IOEventHandler
hw/usb/dev-serial: Explicit we ignore few QEMUChrEvent in IOEventHandler
hw/char/terminal3270: Explicit ignored QEMUChrEvent in IOEventHandler
hw/ipmi: Explicit we ignore some QEMUChrEvent in IOEventHandler
hw/ipmi: Remove unnecessary declarations
target/i386: Add missed features to Cooperlake CPU model
target/i386: Add new bit definitions of MSR_IA32_ARCH_CAPABILITIES
target/i386: Fix handling of k_gs_base register in 32-bit mode in gdbstub
hw/rtc/mc146818: Add missing dependency on ISA Bus
hw/nvram/Kconfig: Restrict CHRP NVRAM to machines using OpenBIOS or SLOF
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
- build fix (missing x86-iommu stubs)
- python fixes for freebsd and OSX
- nicer reporting of acceptance failures
- fix build nesting of fp-test (breaks bsds)
- semihosting clean-ups
- support for blocking semihosting console
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Merge remote-tracking branch 'remotes/stsquad/tags/pull-testing-and-semihosting-090120-2' into staging
Testing fixes and semiconsole support:
- build fix (missing x86-iommu stubs)
- python fixes for freebsd and OSX
- nicer reporting of acceptance failures
- fix build nesting of fp-test (breaks bsds)
- semihosting clean-ups
- support for blocking semihosting console
# gpg: Signature made Thu 09 Jan 2020 11:42:51 GMT
# gpg: using RSA key 6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* remotes/stsquad/tags/pull-testing-and-semihosting-090120-2:
tests/tcg: add user version of dumb-as-bricks semiconsole test
tests/tcg: extract __semi_call into a header and expand
tests/tcg: add a dumb-as-bricks semihosting console test
semihosting: add qemu_semihosting_console_inc for SYS_READC
target/arm: only update pc after semihosting completes
target/arm: remove unused EXCP_SEMIHOST leg
testing: don't nest build for fp-test
travis.yml: install homebrew python for OS X
travis.yml: duplicate before_script for MacOSX
travis.yml: Detach build and test steps
travis.yml: avocado: Print logs of non-pass tests only
freebsd: use python37
tests/vm: update openbsd to release 6.6
hw/i386/x86-iommu: Add missing stubs
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
In commit 6c730e4af9 we introduced a stub to build the MicroVM
machine without Intel IOMMU. This stub is incomplete for the
other PC machines. Add the missing stubs.
Fixes: 6c730e4af9
Reported-by: Travis-CI
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Tested-by: Wainer dos Santos Moschetta <wainersm@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20191220154225.25879-1-philmd@redhat.com>
Hi,
QDEV_PROP_PTR is marked in multiple places as "FIXME/TODO/remove
me". In most cases, it can be easily replaced with QDEV_PROP_LINK when
the pointer points to an Object.
There are a few places where such substitution isn't possible. For
those places, it seems reasonable to use a specific setter method
instead, and keep the user_creatable = false. In other places,
proper usage of qdev or other facilies is the solution.
The serial code wasn't converted to qdev, which makes it a bit more
archaic to deal with. Let's convert it first, so we can more easily
embed it from other devices, and re-export some properties and drop
QDEV_PROP_PTR usage.
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Merge remote-tracking branch 'remotes/elmarco/tags/prop-ptr-pull-request' into staging
Clean-ups: qom-ify serial and remove QDEV_PROP_PTR
Hi,
QDEV_PROP_PTR is marked in multiple places as "FIXME/TODO/remove
me". In most cases, it can be easily replaced with QDEV_PROP_LINK when
the pointer points to an Object.
There are a few places where such substitution isn't possible. For
those places, it seems reasonable to use a specific setter method
instead, and keep the user_creatable = false. In other places,
proper usage of qdev or other facilies is the solution.
The serial code wasn't converted to qdev, which makes it a bit more
archaic to deal with. Let's convert it first, so we can more easily
embed it from other devices, and re-export some properties and drop
QDEV_PROP_PTR usage.
# gpg: Signature made Tue 07 Jan 2020 15:01:26 GMT
# gpg: using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg: issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg: aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276 F62D DAE8 E109 7596 9CE5
* remotes/elmarco/tags/prop-ptr-pull-request: (37 commits)
qdev/qom: remove some TODO limitations now that PROP_PTR is gone
qdev: remove QDEV_PROP_PTR
qdev: remove PROP_MEMORY_REGION
omap-gpio: remove PROP_PTR
omap-i2c: remove PROP_PTR
omap-intc: remove PROP_PTR
smbus-eeprom: remove PROP_PTR
cris: improve passing PIC interrupt vector to the CPU
mips/cps: fix setting saar property
qdev: use g_strcmp0() instead of open-coding it
leon3: use qdev gpio facilities for the PIL
leon3: use qemu_irq framework instead of callback as property
dp8393x: replace PROP_PTR with PROP_LINK
etraxfs: remove PROP_PTR usage
lance: replace PROP_PTR with PROP_LINK
vmmouse: replace PROP_PTR with PROP_LINK
sm501: make SerialMM a child, export chardev property
mips: use sysbus_mmio_get_region() instead of internal fields
mips: use sysbus_add_io()
mips: baudbase is 115200 by default
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
While at it, use the expected type.
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
When configured with --without-default-devices, the build fails:
LINK x86_64-softmmu/qemu-system-x86_64
/usr/bin/ld: hw/i386/microvm.o: in function `microvm_devices_init':
hw/i386/microvm.c:157: undefined reference to `serial_hds_isa_init'
collect2: error: ld returned 1 exit status
make[1]: *** [Makefile:206: qemu-system-x86_64] Error 1
make: *** [Makefile:483: x86_64-softmmu/all] Error 2
While the MicroVM machine only uses the ISA serial port when the
MICROVM_MACHINE_ISA_SERIAL property is set, it has to be linked
with it. Replace the 'imply' Kconfig rule by a 'select'.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191231183216.6781-4-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
When the 'vga=' parameter is succeeded by another parameter, QEMU 4.2.0
would refuse to start with a rather cryptic message:
$ qemu-system-x86_64 -kernel /boot/vmlinuz-linux -append 'vga=792 quiet'
qemu: can't parse 'vga' parameter: Invalid argument
It was not clear whether this applied to the '-vga std' parameter or the
'-append' one. Fix the parsing regression and clarify the error.
Fixes: 133ef074bd ("hw/i386/pc: replace use of strtol with qemu_strtoui in x86_load_linux()")
Cc: Sergio Lopez <slp@redhat.com>
Signed-off-by: Peter Wu <peter@lekensteyn.nl>
Message-Id: <20191221162124.1159291-1-peter@lekensteyn.nl>
Cc: qemu-stable@nongnu.org
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
In commit 6c730e4af9 we introduced a stub to build the MicroVM
machine without Intel IOMMU. This stub is incomplete for the
other PC machines. Add the missing stubs.
Fixes: 6c730e4af9 ("pc: stubify x86 iommu", 2019-12-17)
Reported-by: Travis-CI
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191220154225.25879-1-philmd@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
