| Commit message (Collapse) | Author | Age | Files | Lines |
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There is an effort in progress to generate a QEMU Python
package. As I'm not sure this old email is still valid,
update it to not produce package with broken maintainer
email.
Patch created mechanically by running:
$ sed -i 's,\(__email__ *= "\)stefanha@linux.vnet.ibm.com",\1stefanha@redhat.com",' \
$(git grep -l 'email.*stefanha@linux.vnet.ibm.com')
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20200511082816.696-1-philmd@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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staging
Qdev patches for 2020-06-23
# gpg: Signature made Tue 23 Jun 2020 15:08:28 BST
# gpg: using RSA key 354BC8B3D7EB2A6B68674E5F3870B400EB918653
# gpg: issuer "armbru@redhat.com"
# gpg: Good signature from "Markus Armbruster <armbru@redhat.com>" [full]
# gpg: aka "Markus Armbruster <armbru@pond.sub.org>" [full]
# Primary key fingerprint: 354B C8B3 D7EB 2A6B 6867 4E5F 3870 B400 EB91 8653
* remotes/armbru/tags/pull-qdev-2020-06-23:
sd/milkymist-memcard: Fix error API violation
sd/pxa2xx_mmci: Don't crash on pxa2xx_mmci_init() error
arm/aspeed: Drop aspeed_board_init_flashes() parameter @errp
qdev: Make qdev_prop_set_drive() match the other helpers
qdev: Reject chardev property override
qdev: Reject drive property override
qdev: Improve netdev property override error a bit
qdev: Eliminate get_pointer(), set_pointer()
blockdev: Deprecate -drive with bogus interface type
docs/qdev-device-use.txt: Update section "Default Devices"
fdc: Deprecate configuring floppies with -global isa-fdc
fdc: Open-code fdctrl_init_isa()
fdc: Reject clash between -drive if=floppy and -global isa-fdc
iotests/172: Cover -global floppy.drive=...
iotests/172: Cover empty filename and multiple use of drives
iotests/172: Include "info block" in test output
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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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.
milkymist_memcard_realize() is wrong that way: it passes &err to
qdev_prop_set_drive_err() and qdev_realize_and_unref(). Currently
harmless, because the latter uses it only as first argument of
error_propagate().
Making qdev_prop_set_drive_err() fail involves abuse of -global.
Leave handling that to qdev_prop_set_drive(), like we do elsewhere.
Cc: Michael Walle <michael@walle.cc>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-17-armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
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On error, pxa2xx_mmci_init() reports to stderr and returns NULL.
Callers don't check for errors. Machines akita, borzoi, mainstone,
spitz, terrier, tosa, and z2 crash shortly after, like this:
$ qemu-system-aarch64 -M akita -drive if=sd,readonly=on
qemu-system-aarch64: failed to init SD card: Cannot use read-only drive as SD card
Segmentation fault (core dumped)
Machines connex and verdex reach the check for orphaned drives first:
$ aarch64-softmmu/qemu-system-aarch64 -M connex -drive if=sd,readonly=on -accel qtest
qemu-system-aarch64: failed to init SD card: Cannot use read-only drive as SD card
qemu-system-aarch64: -drive if=sd,readonly=on: machine type does not support if=sd,bus=0,unit=0
Make pxa2xx_mmci_init() fail cleanly right away.
Cc: Andrzej Zaborowski <balrogg@gmail.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200622094227.1271650-16-armbru@redhat.com>
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We always pass &error_abort. Drop the parameter, use &error_abort
directly.
Cc: Cédric Le Goater <clg@kaod.org>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Andrew Jeffery <andrew@aj.id.au>
Cc: Joel Stanley <joel@jms.id.au>
Cc: qemu-arm@nongnu.org
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200622094227.1271650-15-armbru@redhat.com>
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qdev_prop_set_drive() can fail. None of the other qdev_prop_set_FOO()
can; they abort on error.
To clean up this inconsistency, rename qdev_prop_set_drive() to
qdev_prop_set_drive_err(), and create a qdev_prop_set_drive() that
aborts on error.
Coccinelle script to update callers:
@ depends on !(file in "hw/core/qdev-properties-system.c")@
expression dev, name, value;
symbol error_abort;
@@
- qdev_prop_set_drive(dev, name, value, &error_abort);
+ qdev_prop_set_drive(dev, name, value);
@@
expression dev, name, value, errp;
@@
- qdev_prop_set_drive(dev, name, value, errp);
+ qdev_prop_set_drive_err(dev, name, value, errp);
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200622094227.1271650-14-armbru@redhat.com>
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qdev_prop_set_chr() screws up when the property already has a non-null
value: it neglects to release the old value. Both the old and the new
backend become attached to the same device. Unlike for block devices
(see previous commit), this can't be observed from the monitor (I
think).
Example: -serial null -chardev null,id=chr0 -global isa-serial.chardev=chr0
Special case: attempting to use the same backend both times crashes:
$ qemu-system-x86_64 --nodefaults -serial null -global isa-serial.chardev=serial0
Unexpected error in qemu_chr_fe_init() at /work/armbru/qemu/chardev/char-fe.c:220:
qemu-system-x86_64: Device 'serial0' is in use
Aborted (core dumped)
Yet another example: -device with multiple chardev=... (but not
device_add, which silently drops all but the last duplicate property).
Perhaps chardev property override could be made to work. Perhaps it
should. I can't afford the time to figure this out now. What I can
do reject usage that leaves backends in unhealthy states. For what
it's worth, we've long done the same for netdev properties.
Cc: Marc-André Lureau <marcandre.lureau@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-13-armbru@redhat.com>
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qdev_prop_set_drive() screws up when the property already has a
non-null value: it neglects to release the old value. Both the old
and the new backend become attached to the same device.
Example (taken from iotest 172): -fda ... -drive if=none,... -global
floppy.drive=none0.
Special case: attempting to use the same backend both times fails.
Example (also from iotest 172): -fda ... -global floppy.drive=floppy0.
Yet another example: -device with multiple drive=... (but not
device_add, which silently drops all but the last duplicate property).
Perhaps drive property override could be made to work. Perhaps it
should. I can't afford the time to figure this out now. What I can
do is reject usage that leaves backends in unhealthy states. For what
it's worth, we've long done the same for netdev properties.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-12-armbru@redhat.com>
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qdev_prop_set_netdev() fails when the property already has a non-null
value. Seems to go back to commit 30c367ed44
"qdev-properties-system.c: Allow vlan or netdev for -device, not
both", v1.7.0. Board code doesn't expect failure, and crashes:
$ qemu-system-x86_64 --nodefaults -nic user -netdev user,id=nic0 -global e1000.netdev=nic0
Unexpected error in error_set_from_qdev_prop_error() at /work/armbru/qemu/hw/core/qdev-properties.c:1101:
qemu-system-x86_64: Property 'e1000.netdev' doesn't take value '__org.qemu.nic0
'
Aborted (core dumped)
-device and device_add handle the failure:
$ qemu-system-x86_64 -nodefaults -netdev user,id=net0 -netdev user,id=net1 -device e1000,netdev=net0,netdev=net1
qemu-system-x86_64: -device e1000,netdev=net0,netdev=net1: Property 'e1000.netdev' doesn't take value 'net1'
$ qemu-system-x86_64 -nodefaults -S -display none -monitor stdio -netdev user,id=net0 -netdev user,id=net1 -global e1000.netdev=net0
QEMU 5.0.50 monitor - type 'help' for more information
(qemu) qemu-system-x86_64: warning: netdev net0 has no peer
qemu-system-x86_64: warning: netdev net1 has no peer
device_add e1000,netdev=net1
Error: Property 'e1000.netdev' doesn't take value 'net1'
Perhaps netdev property override could be made to work. Perhaps it
should. I'm not the right guy to figure this out. What I can do is
improve the error message a bit:
(qemu) device_add e1000,netdev=net1
Error: -global e1000.netdev=... conflicts with netdev=net1
Cc: Jason Wang <jasowang@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-11-armbru@redhat.com>
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We stopped using get_pointer() and set_pointer() for netdev in commit
23120b13c6 "net: don't use set/get_pointer() in set/get_netdev()"
(v2.3.0), and for chardev in commit becdfa00cf "char: replace PROP_CHR
with CharBackend" (v2.8.0). With only the drive user left, they're
not helpful anymore. Eliminate.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-10-armbru@redhat.com>
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Drives with interface types other than if=none are for onboard
devices. Unfortunately, any such drives the board doesn't pick up can
still be used with -device, like this:
$ qemu-system-x86_64 -nodefaults -display none -S -drive if=floppy,id=bogus,unit=7 -device ide-cd,drive=bogus -monitor stdio
QEMU 5.0.50 monitor - type 'help' for more information
(qemu) info block
bogus: [not inserted]
Attached to: /machine/peripheral-anon/device[0]
Removable device: not locked, tray closed
(qemu) info qtree
bus: main-system-bus
type System
[...]
bus: ide.1
type IDE
dev: ide-cd, id ""
---> drive = "bogus"
[...]
unit = 0 (0x0)
[...]
This kind of abuse has always worked. Deprecate it:
qemu-system-x86_64: -drive if=floppy,id=bogus,unit=7: warning: bogus if=floppy is deprecated, use if=none
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-9-armbru@redhat.com>
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Resynchronize the table of default device suppressions with vl.c's
default_list[].
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-8-armbru@redhat.com>
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Deprecate
-global isa-fdc.driveA=...
-global isa-fdc.driveB=...
in favour of
-device floppy,unit=0,drive=...
-device floppy,unit=1,drive=...
Same for the other floppy controller devices.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Message-Id: <20200622094227.1271650-7-armbru@redhat.com>
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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>
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The floppy controller devices desugar their drive properties into
floppy devices (since commit a92bd191a4 "fdc: Move qdev properties to
FloppyDrive", v2.8.0). This involves some bad magic in
fdctrl_connect_drives(), and exists for backward compatibility.
The functions for boards to create floppy controller devices
fdctrl_init_isa(), fdctrl_init_sysbus(), and sun4m_fdctrl_init()
desugar -drive if=floppy to these floppy controller drive properties.
If you use both -drive if=floppy (or its -fda / -fdb sugar) and
-global isa-fdc for the same floppy device, -global silently loses the
conflict, and both backends involved end up with the floppy device
frontend attached, as demonstrated by iotest 172 (see commit before
previous). This is wrong.
Desugar -drive if=floppy straight to floppy devices instead, with
helper fdctrl_init_drives(). The conflict now gets rejected cleanly:
first, fdctrl_connect_drives() creates the floppy for the controller's
property, then fdctrl_init_drives() attempts to create the floppy for
-drive if=floppy, but fails because the unit is already in use.
Output of iotest 172 changes in three ways:
1. The clash gets rejected.
2. In one test case, "info qtree" has the floppy devices swapped, and
"info block" has their QOM paths swapped. This is because the
floppy device for -fda now gets created after the one for -global
isa-fdc.driveB.
3. The error message for -global floppy.drive=floppy0 changes. Before
the patch, we set isa-fdc.driveA to -fda's block backend, then
create the floppy device for it, then move the backend from
isa-fdc.driveA to floppy.drive. Floppy creation fails when
applying -global floppy.drive=floppy0, because floppy0 is still
attached to isa-fdc. After the patch, we create the floppy for
-fda, then set its drive property to floppy0. Now floppy creation
succeeds, but setting the drive property fails, because -global
already set it. Yes, this is exasperatingly complicated.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-5-armbru@redhat.com>
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Use of -global to set a default backend for non-singleton devices is a
bad idea. But as long as we permit it, we better test it.
Test output demonstrates we screw up when -global floppy clashes with
-fda or with -device floppy: according to "info qtree", only the
latter backend is attached, but according to "info block", both are.
Here's the clash with -device:
Testing: -drive if=none,file=TEST_DIR/t.qcow2 -drive if=none,file=TEST_DIR/t.qcow2.2 -global floppy.drive=none0 -device floppy,drive=none1,unit=0
dev: isa-fdc, id ""
[...]
driveA = ""
driveB = ""
[...]
bus: floppy-bus.0
type floppy-bus
dev: floppy, id ""
unit = 0 (0x0)
---> drive = "none1"
[...]
none0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
---> Attached to: /machine/peripheral-anon/device[0]
Cache mode: writeback
none1 (NODE_NAME): TEST_DIR/t.qcow2.2 (qcow2)
---> Attached to: /machine/peripheral-anon/device[0]
Removable device: not locked, tray closed
Cache mode: writeback
/machine/peripheral-anon/device[0] is the floppy created with -device.
Test output further demonstrates the "Drive 'FOO' is already in use
because it has been automatically connected to another device" error
message can be misleading. With '-fda "" -global
floppy.drive=floppy0', it's in use because -global reuses -fda's
backend. There is no other device involved.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-4-armbru@redhat.com>
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Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-3-armbru@redhat.com>
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The additional output demonstrates we screw up when -global isa-fdc
clashes with -drive if=floppy or its sugared forms: according to "info
qtree", only the latter backend is attached, but according to "info
block", both are. For instance:
Testing: -fda TEST_DIR/t.qcow2 -drive if=none,file=TEST_DIR/t.qcow2.2 -global isa-fdc.driveA=none0
dev: isa-fdc, id ""
[...]
driveA = ""
driveB = ""
[...]
bus: floppy-bus.0
type floppy-bus
dev: floppy, id ""
unit = 0 (0x0)
---> drive = "floppy0"
[...]
floppy0 (NODE_NAME): TEST_DIR/t.qcow2 (qcow2)
---> Attached to: /machine/unattached/device[15]
Removable device: not locked, tray closed
Cache mode: writeback
none0 (NODE_NAME): TEST_DIR/t.qcow2.2 (qcow2)
---> Attached to: /machine/unattached/device[14]
Cache mode: writeback
/machine/unattached/device[15] is floppy, and
/machine/unattached/device[14] is isa-fdc.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20200622094227.1271650-2-armbru@redhat.com>
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'remotes/stefanberger/tags/pull-tpm-2020-06-23-1' into staging
Merge tpm 2020/06/23 v1
# gpg: Signature made Tue 23 Jun 2020 12:35:03 BST
# gpg: using RSA key B818B9CADF9089C2D5CEC66B75AD65802A0B4211
# gpg: Good signature from "Stefan Berger <stefanb@linux.vnet.ibm.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: B818 B9CA DF90 89C2 D5CE C66B 75AD 6580 2A0B 4211
* remotes/stefanberger/tags/pull-tpm-2020-06-23-1:
tpm: Move backend code under the 'backends/' directory
hw/tpm: Make 'tpm_util.h' publicly accessible as "sysemu/tpm_util.h"
hw/tpm: Move DEFINE_PROP_TPMBE() macro to 'tmp_prop.h' local header
hw/tpm: Move few declarations from 'tpm_util.h' to 'tpm_int.h'
hw/tpm: Make TRACE_TPM_UTIL_SHOW_BUFFER check local to tpm_util.c
hw/tpm: Remove unnecessary 'tpm_int.h' header inclusion
hw/tpm: Move 'hw/acpi/tpm.h' inclusion from header to sources
hw/tpm: Include missing 'qemu/option.h' header
hw/tpm: Do not include 'qemu/osdep.h' in header
hw/tpm: Rename TPMDEV as TPM_BACKEND in Kconfig
backends: Add TPM files into their own directory
docs/specs/tpm: Correct header path name
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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TPM subsytem is split into backends (see commit f4ede81eed2)
and frontends (see i.e. 3676bc69b35). Keep the emulated
hardware 'frontends' under hw/tpm/, but move the backends
in the backends/tpm/ directory.
Suggested-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200612085444.8362-13-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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We are going to split the TPM backends from the TPM emulated
hardware in the next commit. Make the TPM util helpers accessible
by moving local "tpm_util.h" to global "sysemu/tpm_util.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-12-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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We are going to make "tpm_util.h" publicly accessible by
moving it to the include/ directory in the next commit.
The DEFINE_PROP_TPMBE() macro is only meaningful for the
TPM hardware files (in hw/tpm/), so keep this macro in a
local header.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-11-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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We are going to make "tpm_util.h" publicly accessible by
moving it to the include/ directory in a pair of commits.
Keep declarations internals to hw/tpm/ in "tpm_int.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-10-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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The trace_event_get_state_backends() call is useful to avoid
making extensive calls (usually preparing arguments passed to
the tracing framework. In this case, the extensive work is
done in tpm_util_show_buffer(), and the arguments used to
call it don't involve extra processing. Simplify by moving
the TRACE_TPM_UTIL_SHOW_BUFFER check to tpm_util_show_buffer.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-9-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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Remove unnecessary 'tpm_int.h' header inclusion.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-8-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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Nothing in "tpm_ppi.h" require declarations from "hw/acpi/tpm.h".
Reduce dependencies and include it only in the files requiring it.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-7-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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Files using the TPM_STANDARD_CMDLINE_OPTS macro declared in
"tpm_int.h" will use QEMU_OPT_STRING definition declared in
"qemu/option.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-6-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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From CODING_STYLE.rst:
Do not include "qemu/osdep.h" from header files since the .c
file will have already included it.
Remove "qemu/osdep.h" from "tpm_tis.h".
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-5-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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The TPMDEV describe TPM backends. Use the TPM_BACKEND config
name which is self-explicit.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-4-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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As we will have various TPM backend files, it is cleaner
to use a single directory.
Suggested-by: Stefan Berger <stefanb@linux.ibm.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-3-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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Commit 8dc6701722 introduce the documentation but an
incorrect path name was used. Fix that.
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefan Berger <stefanb@linux.ibm.com>
Message-id: 20200612085444.8362-2-philmd@redhat.com
Signed-off-by: Stefan Berger <stefanb@linux.vnet.ibm.com>
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'remotes/pmaydell/tags/pull-target-arm-20200623' into staging
target-arm queue:
* util/oslib-posix : qemu_init_exec_dir implementation for Mac
* target/arm: Last parts of neon decodetree conversion
* hw/arm/virt: Add 5.0 HW compat props
* hw/watchdog/cmsdk-apb-watchdog: Add trace event for lock status
* mps2: Add CMSDK APB watchdog, FPGAIO block, S2I devices and I2C devices
* mps2: Add some unimplemented-device stubs for audio and GPIO
* mps2-tz: Use the ARM SBCon two-wire serial bus interface
* target/arm: Check supported KVM features globally (not per vCPU)
* tests/qtest/arm-cpu-features: Add feature setting tests
* arm/virt: Add memory hot remove support
# gpg: Signature made Tue 23 Jun 2020 12:38:31 BST
# gpg: using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* remotes/pmaydell/tags/pull-target-arm-20200623: (42 commits)
arm/virt: Add memory hot remove support
tests/qtest/arm-cpu-features: Add feature setting tests
target/arm: Check supported KVM features globally (not per vCPU)
hw/arm/mps2-tz: Use the ARM SBCon two-wire serial bus interface
hw/arm/mps2: Add audio I2S interface as unimplemented device
hw/arm/mps2: Add I2C devices
hw/arm/mps2: Add SPI devices
hw/arm/mps2: Map the FPGA I/O block
hw/arm/mps2: Add CMSDK AHB GPIO peripherals as unimplemented devices
hw/arm/mps2: Add CMSDK APB watchdog device
hw/arm/mps2: Rename CMSDK AHB peripheral region
hw/arm/mps2: Document CMSDK/FPGA APB subsystem sections
hw/arm: Use TYPE_VERSATILE_I2C instead of hardcoded string
hw/i2c: Add header for ARM SBCon two-wire serial bus interface
hw/i2c/versatile_i2c: Add SCL/SDA definitions
hw/i2c/versatile_i2c: Add definitions for register addresses
hw/watchdog/cmsdk-apb-watchdog: Add trace event for lock status
target/arm: Remove dead code relating to SABA and UABA
target/arm: Remove unnecessary gen_io_end() calls
target/arm: Move some functions used only in translate-neon.inc.c to that file
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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This adds support for memory(pc-dimm) hot remove on arm/virt that
uses acpi ged device.
NVDIMM hot removal is not yet supported.
Signed-off-by: Shameer Kolothum <shameerali.kolothum.thodi@huawei.com>
Message-id: 20200622124157.20360-1-shameerali.kolothum.thodi@huawei.com
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Some cpu features may be enabled and disabled for all configurations
that support the feature. Let's test that.
A recent regression[*] inspired adding these tests.
[*] '-cpu host,pmu=on' caused a segfault
Signed-off-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-id: 20200623090622.30365-2-philmd@redhat.com
Message-Id: <20200623082310.17577-1-drjones@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Since commit d70c996df23f, when enabling the PMU we get:
$ qemu-system-aarch64 -cpu host,pmu=on -M virt,accel=kvm,gic-version=3
Segmentation fault (core dumped)
Thread 1 "qemu-system-aar" received signal SIGSEGV, Segmentation fault.
0x0000aaaaaae356d0 in kvm_ioctl (s=0x0, type=44547) at accel/kvm/kvm-all.c:2588
2588 ret = ioctl(s->fd, type, arg);
(gdb) bt
#0 0x0000aaaaaae356d0 in kvm_ioctl (s=0x0, type=44547) at accel/kvm/kvm-all.c:2588
#1 0x0000aaaaaae31568 in kvm_check_extension (s=0x0, extension=126) at accel/kvm/kvm-all.c:916
#2 0x0000aaaaaafce254 in kvm_arm_pmu_supported (cpu=0xaaaaac214ab0) at target/arm/kvm.c:213
#3 0x0000aaaaaafc0f94 in arm_set_pmu (obj=0xaaaaac214ab0, value=true, errp=0xffffffffe438) at target/arm/cpu.c:1111
#4 0x0000aaaaab5533ac in property_set_bool (obj=0xaaaaac214ab0, v=0xaaaaac223a80, name=0xaaaaac11a970 "pmu", opaque=0xaaaaac222730, errp=0xffffffffe438) at qom/object.c:2170
#5 0x0000aaaaab5512f0 in object_property_set (obj=0xaaaaac214ab0, v=0xaaaaac223a80, name=0xaaaaac11a970 "pmu", errp=0xffffffffe438) at qom/object.c:1328
#6 0x0000aaaaab551e10 in object_property_parse (obj=0xaaaaac214ab0, string=0xaaaaac11b4c0 "on", name=0xaaaaac11a970 "pmu", errp=0xffffffffe438) at qom/object.c:1561
#7 0x0000aaaaab54ee8c in object_apply_global_props (obj=0xaaaaac214ab0, props=0xaaaaac018e20, errp=0xaaaaabd6fd88 <error_fatal>) at qom/object.c:407
#8 0x0000aaaaab1dd5a4 in qdev_prop_set_globals (dev=0xaaaaac214ab0) at hw/core/qdev-properties.c:1218
#9 0x0000aaaaab1d9fac in device_post_init (obj=0xaaaaac214ab0) at hw/core/qdev.c:1050
...
#15 0x0000aaaaab54f310 in object_initialize_with_type (obj=0xaaaaac214ab0, size=52208, type=0xaaaaabe237f0) at qom/object.c:512
#16 0x0000aaaaab54fa24 in object_new_with_type (type=0xaaaaabe237f0) at qom/object.c:687
#17 0x0000aaaaab54fa80 in object_new (typename=0xaaaaabe23970 "host-arm-cpu") at qom/object.c:702
#18 0x0000aaaaaaf04a74 in machvirt_init (machine=0xaaaaac0a8550) at hw/arm/virt.c:1770
#19 0x0000aaaaab1e8720 in machine_run_board_init (machine=0xaaaaac0a8550) at hw/core/machine.c:1138
#20 0x0000aaaaaaf95394 in qemu_init (argc=5, argv=0xffffffffea58, envp=0xffffffffea88) at softmmu/vl.c:4348
#21 0x0000aaaaaada3f74 in main (argc=<optimized out>, argv=<optimized out>, envp=<optimized out>) at softmmu/main.c:48
This is because in frame #2, cpu->kvm_state is still NULL
(the vCPU is not yet realized).
KVM has a hard requirement of all cores supporting the same
feature set. We only need to check if the accelerator supports
a feature, not each vCPU individually.
Fix by removing the 'CPUState *cpu' argument from the
kvm_arm_<FEATURE>_supported() functions.
Fixes: d70c996df23f ('Use CPUState::kvm_state in kvm_arm_pmu_supported')
Reported-by: Haibo Xu <haibo.xu@linaro.org>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Suggested-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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From 'Application Note AN521', chapter 4.7:
The SMM implements four SBCon serial modules:
One SBCon module for use by the Color LCD touch interface.
One SBCon module to configure the audio controller.
Two general purpose SBCon modules, that connect to the
Expansion headers J7 and J8, are intended for use with the
V2C-Shield1 which provide an I2C interface on the headers.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-15-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-14-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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From 'Application Note AN385', chapter 3.14:
The SMM implements a simple SBCon interface based on I2C.
There are 4 SBCon interfaces on the FPGA APB subsystem.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-13-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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From 'Application Note AN385', chapter 3.9, SPI:
The SMM implements five PL022 SPI modules.
Two pairs of modules share the same OR-gated IRQ.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-12-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-11-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Register the GPIO peripherals as unimplemented to better
follow their accesses, for example booting Zephyr:
----------------
IN: arm_mps2_pinmux_init
0x00001160: f64f 0231 movw r2, #0xf831
0x00001164: 4b06 ldr r3, [pc, #0x18]
0x00001166: 2000 movs r0, #0
0x00001168: 619a str r2, [r3, #0x18]
0x0000116a: f24c 426f movw r2, #0xc46f
0x0000116e: f503 5380 add.w r3, r3, #0x1000
0x00001172: 619a str r2, [r3, #0x18]
0x00001174: f44f 529e mov.w r2, #0x13c0
0x00001178: f503 5380 add.w r3, r3, #0x1000
0x0000117c: 619a str r2, [r3, #0x18]
0x0000117e: 4770 bx lr
cmsdk-ahb-gpio: unimplemented device write (size 4, value 0xf831, offset 0x18)
cmsdk-ahb-gpio: unimplemented device write (size 4, value 0xc46f, offset 0x18)
cmsdk-ahb-gpio: unimplemented device write (size 4, value 0x13c0, offset 0x18)
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-10-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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We already model the CMSDK APB watchdog device, let's use it!
Suggested-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-9-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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To differenciate with the CMSDK APB peripheral region,
rename this region 'CMSDK AHB peripheral region'.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-8-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-7-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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By using the TYPE_* definitions for devices, we can:
- quickly find where devices are used with 'git-grep'
- easily rename a device (one-line change).
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-6-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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'ARM SBCon two-wire serial bus interface' is the official
name describing the pair of registers used to bitbanging
I2C in the Versatile boards.
Make the private VersatileI2CState structure as public
ArmSbconI2CState.
Add the TYPE_ARM_SBCON_I2C, alias to our current
TYPE_VERSATILE_I2C model.
Rename the memory region description as 'arm_sbcon_i2c'.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-5-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Use self-explicit definitions instead of magic values.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-4-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Use self-explicit definitions instead of magic values.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-3-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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Add a trace event to see when a guest disable/enable the watchdog.
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-id: 20200617072539.32686-2-f4bug@amsat.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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In commit cfdb2c0c95ae9205b0 ("target/arm: Vectorize SABA/UABA") we
replaced the old handling of SABA/UABA with a vectorized implementation
which returns early rather than falling into the loop-ever-elements
code. We forgot to delete the part of the old looping code that
did the accumulate step, and Coverity correctly warns (CID 1428955)
that this code is now dead. Delete it.
Fixes: cfdb2c0c95ae9205b0
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200619171547.29780-1-peter.maydell@linaro.org
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