Commit Graph

281 Commits

Author SHA1 Message Date
Peter Maydell bad187dfcb hw/input/tsc210x: Don't abort on bad SPI word widths
The tsc210x doesn't support anything other than 16-bit reads on the
SPI bus, but the guest can program the SPI controller to attempt
them anyway. If this happens, don't abort QEMU, just log this as
a guest error.

This fixes our machine_arm_n8x0.py:N8x0Machine.test_n800
acceptance test, which hits this assertion.

The reason we hit the assertion is because the guest kernel thinks
there is a TSC2005 on this SPI bus address, not a TSC210x.  (The n810
*does* have a TSC2005 at this address.) The TSC2005 supports the
24-bit accesses which the guest driver makes, and the TSC210x does
not (that is, our TSC210x emulation is not missing support for a word
width the hardware can handle).  It's not clear whether the problem
here is that the guest kernel incorrectly thinks the n800 has the
same device at this SPI bus address as the n810, or that QEMU's n810
board model doesn't get the SPI devices right.  At this late date
there no longer appears to be any reliable information on the web
about the hardware behaviour, but I am inclined to think this is a
guest kernel bug.  In any case, we prefer not to abort QEMU for
guest-triggerable conditions, so logging the error is the right thing
to do.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/736
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20220221140750.514557-1-peter.maydell@linaro.org
2022-03-02 19:27:36 +00:00
Peter Maydell 31e3caf21b Trivial branch pull request 20220222
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Merge remote-tracking branch 'remotes/lvivier-gitlab/tags/trivial-branch-for-7.0-pull-request' into staging

Trivial branch pull request 20220222

# gpg: Signature made Tue 22 Feb 2022 16:16:01 GMT
# gpg:                using RSA key CD2F75DDC8E3A4DC2E4F5173F30C38BD3F2FBE3C
# gpg:                issuer "laurent@vivier.eu"
# gpg: Good signature from "Laurent Vivier <lvivier@redhat.com>" [full]
# gpg:                 aka "Laurent Vivier <laurent@vivier.eu>" [full]
# gpg:                 aka "Laurent Vivier (Red Hat) <lvivier@redhat.com>" [full]
# Primary key fingerprint: CD2F 75DD C8E3 A4DC 2E4F  5173 F30C 38BD 3F2F BE3C

* remotes/lvivier-gitlab/tags/trivial-branch-for-7.0-pull-request:
  hid: Implement support for side and extra buttons
  vdpa: Make ncs autofree
  qemu-options: fix incorrect description for '-drive index='
  hw/nvram: use at24 macro
  target/rx: Remove unused ENV_OFFSET definition
  target/avr: Correct AVRCPUClass docstring
  configure: Disable capstone and slirp in the --without-default-features mode

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2022-02-22 20:17:09 +00:00
Noah Bergbauer 1e2d555846 hid: Implement support for side and extra buttons
Simply set the respective bits and update the descriptor accordingly.

Signed-off-by: Noah Bergbauer <noah@statshelix.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20211126140437.79745-1-noah@statshelix.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2022-02-22 17:15:36 +01:00
Philippe Mathieu-Daudé cd6174843b exec/exec-all: Move 'qemu/log.h' include in units requiring it
Many files use "qemu/log.h" declarations but neglect to include
it (they inherit it via "exec/exec-all.h"). "exec/exec-all.h" is
a core component and shouldn't be used that way. Move the
"qemu/log.h" inclusion locally to each unit requiring it.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20220207082756.82600-10-f4bug@amsat.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2022-02-21 10:18:06 +01:00
Dmitry Petrov 64ebbb7d62 ps2: Initial horizontal scroll support
This change adds support for horizontal scroll to ps/2 mouse device
code. The code is implemented to match the logic of linux kernel
which is used as a reference.

Signed-off-by: Dmitry Petrov <dpetroff@gmail.com>
Message-Id: <20220108153947.171861-2-dpetroff@gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2022-01-13 15:33:18 +01:00
Philippe Mathieu-Daudé 5d2bd73588 hw/input/lasips2: Fix typos in function names
Artist is another device, this one is the Lasi PS/2.
Rename the functions accordingly.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Damien Hedde <damien.hedde@greensocs.com>
Message-Id: <20210920064048.2729397-2-f4bug@amsat.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-10-31 21:05:40 +01:00
Volker Rümelin 4e9bddcbaa ps2: migration support for command reply queue
Add migration support for the PS/2 keyboard command reply queue.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210810133258.8231-3-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-09-10 07:32:32 +02:00
Volker Rümelin 9e24b2dd77 ps2: use a separate keyboard command reply queue
A PS/2 keyboard has a separate command reply queue that is
independent of the key queue. This prevents that command replies
and keyboard input mix. Keyboard command replies take precedence
over queued keystrokes. A new keyboard command removes any
remaining command replies from the command reply queue.

Implement a separate keyboard command reply queue and clear the
command reply queue before command execution. This brings the
PS/2 keyboard emulation much closer to a real PS/2 keyboard.

The command reply queue is located in a few free bytes directly
in front of the scancode queue. Because the scancode queue has
a maximum length of 16 bytes there are 240 bytes available for
the command reply queue. At the moment only a maximum of 3 bytes
are required. For compatibility reasons rptr, wptr and count kept
their function. rptr is the start, wptr is the end and count is
the length of the entire keyboard queue. The new variable cwptr
is the end of the command reply queue or -1 if the queue is
empty. To write to the command reply queue, rptr is moved
backward by the number of required bytes and the command replies
are written to the buffer starting at the new rptr position.
After writing, cwptr is at the old rptr position. Copying cwptr
to rptr clears the command reply queue. The command reply queue
can't overflow because each new keyboard command clears the
command reply queue.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/501
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/502
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210810133258.8231-2-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-09-10 07:32:32 +02:00
Volker Rümelin 47db243233 ps2: use the whole ps2 buffer but keep queue size
Extend the used ps2 buffer size to the available buffer size but
keep the maximum ps2 queue size.

The next patch needs a few bytes of the larger buffer size.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210810133258.8231-1-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-09-10 07:32:32 +02:00
Peter Maydell 9516034d05 Some qemu updates for IPMI and I2C
Move some ADC file to where they belong and move some sensors to a
 sensor directory, since with new BMCs coming in lots of different
 sensors should be coming in.  Keep from cluttering things up.
 
 Add support for I2C PMBus devices.
 
 Replace the confusing and error-prone i2c_send_recv and i2c_transfer with
 specific send and receive functions.  Several errors have already been
 made with these, avoid any new errors.
 
 Fix the watchdog_expired field in the IPMI watchdog, it's not a bool,
 it's a u8.  After a vmstate transfer, the new value could be wrong.
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Merge remote-tracking branch 'remotes/cminyard/tags/for-qemu-6.1-2' into staging

Some qemu updates for IPMI and I2C

Move some ADC file to where they belong and move some sensors to a
sensor directory, since with new BMCs coming in lots of different
sensors should be coming in.  Keep from cluttering things up.

Add support for I2C PMBus devices.

Replace the confusing and error-prone i2c_send_recv and i2c_transfer with
specific send and receive functions.  Several errors have already been
made with these, avoid any new errors.

Fix the watchdog_expired field in the IPMI watchdog, it's not a bool,
it's a u8.  After a vmstate transfer, the new value could be wrong.

# gpg: Signature made Fri 09 Jul 2021 17:25:04 BST
# gpg:                using RSA key FD0D5CE67CE0F59A6688268661F38C90919BFF81
# gpg: Good signature from "Corey Minyard <cminyard@mvista.com>" [unknown]
# gpg:                 aka "Corey Minyard <minyard@acm.org>" [unknown]
# gpg:                 aka "Corey Minyard <corey@minyard.net>" [unknown]
# gpg:                 aka "Corey Minyard <minyard@mvista.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: FD0D 5CE6 7CE0 F59A 6688  2686 61F3 8C90 919B FF81

* remotes/cminyard/tags/for-qemu-6.1-2: (24 commits)
  tests/qtest: add tests for MAX34451 device model
  hw/misc: add MAX34451 device
  tests/qtest: add tests for ADM1272 device model
  hw/misc: add ADM1272 device
  hw/i2c: add support for PMBus
  ipmi/sim: fix watchdog_expired data type error in IPMIBmcSim struct
  hw/i2c: Introduce i2c_start_recv() and i2c_start_send()
  hw/i2c: Extract i2c_do_start_transfer() from i2c_start_transfer()
  hw/i2c: Make i2c_start_transfer() direction argument a boolean
  hw/i2c: Rename i2c_set_slave_address() -> i2c_slave_set_address()
  hw/i2c: Remove confusing i2c_send_recv()
  hw/misc/auxbus: Replace i2c_send_recv() by i2c_recv() & i2c_send()
  hw/misc/auxbus: Replace 'is_write' boolean by its value
  hw/misc/auxbus: Explode READ_I2C / WRITE_I2C_MOT cases
  hw/misc/auxbus: Fix MOT/classic I2C mode
  hw/i2c/ppc4xx_i2c: Replace i2c_send_recv() by i2c_recv() & i2c_send()
  hw/i2c/ppc4xx_i2c: Add reference to datasheet
  hw/display/sm501: Replace i2c_send_recv() by i2c_recv() & i2c_send()
  hw/display/sm501: Simplify sm501_i2c_write() logic
  hw/input/lm832x: Define TYPE_LM8323 in public header
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2021-07-11 14:32:49 +01:00
Philippe Mathieu-Daudé 426f53de9c hw/input/lm832x: Define TYPE_LM8323 in public header
Define TYPE_LM8323 in the public "hw/input/lm832x.h"
header and use it in hw/arm/nseries.c.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2021-07-08 14:15:01 -05:00
Philippe Mathieu-Daudé 410bbee1b2 hw/input/lm832x: Move lm832x_key_event() declaration to "lm832x.h"
lm832x_key_event() is specific go LM832x devices, not to the
I2C bus API. Move it out of "i2c.h" to a new header.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>
2021-07-08 14:15:01 -05:00
Kevin Wolf 50de51387f vhost: Distinguish errors in vhost_dev_get_config()
Instead of just returning 0/-1 and letting the caller make up a
meaningless error message, add an Error parameter to allow reporting the
real error and switch to 0/-errno so that different kind of errors can
be distinguished in the caller.

config_len in vhost_user_get_config() is defined by the device, so if
it's larger than VHOST_USER_MAX_CONFIG_SIZE, this is a programming
error. Turn the corresponding check into an assertion.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20210609154658.350308-6-kwolf@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Raphael Norwitz <raphael.norwitz@nutanix.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2021-06-30 13:18:42 +02:00
Stefano Garzarella d0fb9657a3 docs: fix references to docs/devel/tracing.rst
Commit e50caf4a5c ("tracing: convert documentation to rST")
converted docs/devel/tracing.txt to docs/devel/tracing.rst.

We still have several references to the old file, so let's fix them
with the following command:

  sed -i s/tracing.txt/tracing.rst/ $(git grep -l docs/devel/tracing.txt)

Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210517151702.109066-2-sgarzare@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
2021-06-02 06:51:09 +02:00
Katsuhiro Ueno f9c481247f hw/input/hid: Add support for keys of jp106 keyboard.
Add support for the following keys: KATAKANAHIRAGANA, HENKAN, MUHENKAN,
RO, and YEN.  Before this commit, these keys did not work as expected
when a jp106 keyboard was connected to the guest as a usb-kbd device.

Signed-off-by: Katsuhiro Ueno <uenobk@gmail.com>
Message-Id: <CA+pCdY3iG+pKKQqEVknnWF-W0wK36S4U1jxPvxmGAPp6FFvz1Q@mail.gmail.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-28 09:08:03 +02:00
Philippe Mathieu-Daudé 96376ab154 hw/input/ps2: Use ps2_raise_irq() instead of open coding it
Inspired-by: Volker Rümelin <vr_qemu@t-online.de>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Volker Rümelin <vr_qemu@t-online.de>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Message-Id: <20210513171244.3940519-1-f4bug@amsat.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:33:49 +02:00
Volker Rümelin 9d74e6c3e7 pckbd: clear outport_present in outer pre_load()
The variable outport_present is a flag to show if the outport
subsection was loaded. Clear the outport_present flag in the
outer pre_load() function. This method is recommended in the QEMU
manual for developers in the chapter "Migration, Subsections".

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-12-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:33:19 +02:00
Volker Rümelin 314f9064b6 pckbd: remove duplicated keyboard and mouse defines
In 2005 the author of commit daa579632d "PS2 mouse and keyboard
separation (Paul Brook)" and 0e43e99c04 "PS2 mouse and keyboard
separation (Paul Brook)" separated the PS/2 controller code and
the PS/2 keyboard and mouse code. It seems he forgot to remove
a few defines. Remove them now.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-11-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:32:50 +02:00
Volker Rümelin f6f57a8298 pckbd: correctly disable PS/2 communication
Currently the PS/2 controller command KBD_CCMD_MOUSE_DISABLE
doesn't disable the PS/2 mouse communication at all, and the
PS/2 controller commands KBD_CCMD_KBD_DISABLE and
KBD_CCMD_KBD_ENABLE only disable and enable the keyboard
interrupt, which is very different from what a real PS/2
controller does. A guest may notice the difference.

Mask out pending data on disabled queues to correctly disable
the PS/2 controller communication.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-10-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:32:20 +02:00
Volker Rümelin e4697fabb5 pckbd: add function kbd_pending()
Replace reads of the variable s->pending with a call to a new
function kbd_pending() to ease the review of the next patch.
There is no functional change.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-9-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:31:51 +02:00
Volker Rümelin aa67a42f8d pckbd: add controller response queue
Add a separate queue for PS/2 controller responses. The
responses no longer get queued in the keyboard or mouse queues.
The advantage of this can be seen after the next two patches,
where the guest can disable the PS/2 communication with keyboard
and mouse and still talk to the PS/2 controller.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-8-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:31:22 +02:00
Volker Rümelin ac9192bd0a pckbd: add state variable for interrupt source
Currently there is only one flag to distinguish between two
interrupt sources and there are no available flags for more
sources. Add an internal state variable to store the interrupt
source. The next patch will introduce an additional interrupt
source. There is no functional change.

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-7-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:30:51 +02:00
Volker Rümelin d1e45668d2 pckbd: PS/2 keyboard throttle
Limit the keyboard data rate to the serial link speed. Some old
DOS software relies on being able to read an incoming scan-code
more than once. After reading keyboard data from the i8042
controller, the guest software has 1ms to read the same data
again.

Use -global i8042.kbd-throttle=on to enable this feature.

To see how this patch works, start a FreeDOS 1.2 guest with the
qemu option -global i8042.kbd-throttle=on and open a text file
with the vim 7.3 32 bit for DOS executable. Then use the cursor
keys (not the cursor keys on the numeric keypad) to move through
the text. Without the kbd-throttle option enabled each keystroke
will move the cursor two positions.

Buglink: https://bugs.launchpad.net/bugs/1895363
Buglink: https://bugs.launchpad.net/bugs/1897568
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-6-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:30:22 +02:00
Volker Rümelin ff6e1624b3 pckbd: don't update OBF flags if KBD_STAT_OBF is set
Don't update the OBF flags in the status register and the cor-
responding IRQ lines if KBD_STAT_OBF is set. Otherwise this
may change the PS/2 event type. If the guest ISR was already
scheduled, the changed event type will be rather surprising for
the guest.

This fixes a mouse event stream corruption. To reproduce the
problem start a FreeDOS 1.2 guest with -machine pc,accel=kvm
and -display gtk. The KVM in-kernel irqchip has to be enabled.
Now open a text file with edit.exe in the guest and hold down
the cursor right key and at the same time move the mouse around.
You will quickly notice erratic mouse movements and unexpected
mouse clicks.

A trace file shows the mouse event stream corruption. Guest
rip 0xce93 (f000:ce93) is the in al,0x60 instruction in the
seabios mouse ISR, guest rip 0xceca (f000:ceca) is the
in al,0x60 instruction in the seabios keyboard ISR.

qemu-system-x86-5659  [007] ....   280.971116:
 tracing_mark_write: pckbd_kbd_update_irq kbd=0 aux=1
 # gtk queues a mouse event

qemu-system-x86-5665  [000] ....   280.971121:
 kvm_exit: reason EXTERNAL_INTERRUPT rip 0x22da info 0 800000fd
qemu-system-x86-5665  [000] d..1   280.971122:
 kvm_entry: vcpu 0, rip 0x22da
qemu-system-x86-5665  [000] ....   280.971123:
 kvm_exit: reason EXTERNAL_INTERRUPT rip 0x22da info 0 800000fd
qemu-system-x86-5665  [000] d..1   280.971124:
 kvm_entry: vcpu 0, rip 0x22da
qemu-system-x86-5665  [000] ....   280.971126:
 kvm_exit: reason IO_INSTRUCTION rip 0x110c8c info 640008 0
qemu-system-x86-5665  [000] ....   280.971176:
 tracing_mark_write: pckbd_kbd_read_status 0x3d
 # KBD_STAT_OBF and KBD_STAT_MOUSE_OBF set, the mouse ISR will
 # read data from the PS/2 controller.

qemu-system-x86-5665  [000] d..1   280.971180:
 kvm_entry: vcpu 0, rip 0x110c8d
qemu-system-x86-5665  [000] ....   280.971191:
 kvm_exit: reason EXTERNAL_INTERRUPT rip 0x110c8d info 0 800000f6
qemu-system-x86-5665  [000] d..1   280.971191:
 kvm_entry: vcpu 0, rip 0x110c8d
qemu-system-x86-5665  [000] ....   280.971193:
 kvm_exit: reason IO_INSTRUCTION rip 0xce93 info 600048 0
 # the mouse ISR wants to read data from the PS/2 controller

qemu-system-x86-5659  [007] ....   280.971231:
 tracing_mark_write: pckbd_kbd_update_irq kbd=1 aux=0
qemu-system-x86-5659  [007] ....   280.971238:
 tracing_mark_write: pckbd_kbd_update_irq kbd=1 aux=0
 # gtk queues a keyboard event 0xe0 0x4d (key right)

qemu-system-x86-5665  [000] ....   280.971257:
 tracing_mark_write: pckbd_kbd_update_irq kbd=0 aux=1
qemu-system-x86-5665  [000] ....   280.971262:
 tracing_mark_write: pckbd_kbd_update_irq kbd=1 aux=0
 # ps2_read_data() deasserts and reasserts the keyboard IRQ

qemu-system-x86-5665  [000] ....   280.971266:
 tracing_mark_write: pckbd_kbd_read_data 0xe0 kbd
 # -> the mouse ISR receives keyboard data

qemu-system-x86-5665  [000] d..1   280.971268:
 kvm_entry: vcpu 0, rip 0xce95
qemu-system-x86-5665  [000] ....   280.971269:
 kvm_exit: reason IO_INSTRUCTION rip 0xe828 info a00040 0
qemu-system-x86-5665  [000] ....   280.971270:
 kvm_ack_irq: irqchip PIC slave pin 12
qemu-system-x86-5665  [000] d..1   280.971270:
 kvm_entry: vcpu 0, rip 0xe82a
qemu-system-x86-5665  [000] ....   280.971271:
 kvm_exit: reason IO_INSTRUCTION rip 0xe82a info 200040 0
qemu-system-x86-5665  [000] ....   280.971271:
 kvm_ack_irq: irqchip PIC master pin 2
qemu-system-x86-5665  [000] d..1   280.971271:
 kvm_entry: vcpu 0, rip 0xe82c
qemu-system-x86-5665  [000] ....   280.971272:
 kvm_exit: reason PENDING_INTERRUPT rip 0x22da info 0 0
qemu-system-x86-5665  [000] d..1   280.971273:
 kvm_entry: vcpu 0, rip 0x22da
qemu-system-x86-5665  [000] ....   280.971274:
 kvm_exit: reason IO_INSTRUCTION rip 0x110c8c info 640008 0
qemu-system-x86-5665  [000] ....   280.971275:
 tracing_mark_write: pckbd_kbd_read_status 0x1d
qemu-system-x86-5665  [000] d..1   280.971276:
 kvm_entry: vcpu 0, rip 0x110c8d
qemu-system-x86-5665  [000] ....   280.971277:
 kvm_exit: reason IO_INSTRUCTION rip 0xceca info 600048 0
 # the keyboard ISR wants to read data from the PS/2 controller

qemu-system-x86-5665  [000] ....   280.971279:
 tracing_mark_write: pckbd_kbd_update_irq kbd=0 aux=1
qemu-system-x86-5665  [000] ....   280.971282:
 tracing_mark_write: pckbd_kbd_read_data 0x4d kbd
 # the keyboard ISR receives the second byte of the keyboard event

Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-5-vr_qemu@t-online.de>

[ kraxel: add missing include ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:29:56 +02:00
Volker Rümelin c3c4a96116 pckbd: split out interrupt line changing code
Split out the interrupt line changing code from kbd_update_irq().
This is a preparation for the next patch. There is no functional
change.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-4-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:28:44 +02:00
Volker Rümelin cec3252416 ps2: don't deassert irq twice if queue is empty
Don't deassert the irq twice if the queue is empty. While the
second deassertion doesn't do any harm, it's unnecessary.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-3-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:28:14 +02:00
Volker Rümelin 7704bb02dd ps2: don't raise an interrupt if queue is full
ps2_queue() behaves differently than the very similar functions
ps2_queue_2() to ps2_queue_4(). The first one calls update_irq()
even if the queue is full, the others don't. Change ps2_queue()
to be consistent with the others.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-2-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:27:45 +02:00
Volker Rümelin 76968101f5 ps2: fix mouse stream corruption
Commit 7abe7eb294 "ps2: Fix mouse stream corruption due to lost data"
added code to avoid mouse stream corruptions but the calculation of
the needed free queue size was wrong. Fix this.

To reproduce, open a text file with the vim 7.3 32 bit for DOS exe-
cutable in a FreeDOS client started with -display sdl and move the
mouse around for a few seconds. You will quickly see erratic mouse
movements and unexpected mouse clicks. CuteMouse (ctmouse.exe) in
FreeDOS doesn't try to re-sync the mouse stream.

Fixes: 7abe7eb294 ("ps2: Fix mouse stream corruption due to lost data")
Signed-off-by: Volker Rümelin <vr_qemu@t-online.de>
Message-Id: <20210525181441.27768-1-vr_qemu@t-online.de>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:27:16 +02:00
Daniel P. Berrangé 644f66bf5d hw/input: expand trace info reported for ps2 device
It is interesting to know if the PS2 keyboard is in translated mode, and
which of the three scancode sets are in use.

Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20210309155804.306051-1-berrange@redhat.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2021-05-26 11:26:24 +02:00
Peter Maydell 6005ee07c3 pc,pci,virtio: bugfixes, improvements
Fixes all over the place. Faster boot for virtio. ioeventfd support for
 mmio.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging

pc,pci,virtio: bugfixes, improvements

Fixes all over the place. Faster boot for virtio. ioeventfd support for
mmio.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

# gpg: Signature made Fri 14 May 2021 15:27:13 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:
  Fix build with 64 bits time_t
  vhost-vdpa: Make vhost_vdpa_get_device_id() static
  hw/virtio: enable ioeventfd configuring for mmio
  hw/smbios: support for type 41 (onboard devices extended information)
  checkpatch: Fix use of uninitialized value
  virtio-scsi: Configure all host notifiers in a single MR transaction
  virtio-scsi: Set host notifiers and callbacks separately
  virtio-blk: Configure all host notifiers in a single MR transaction
  virtio-blk: Fix rollback path in virtio_blk_data_plane_start()
  pc-dimm: remove unnecessary get_vmstate_memory_region() method
  amd_iommu: fix wrong MMIO operations
  virtio-net: Constify VirtIOFeature feature_sizes[]
  virtio-blk: Constify VirtIOFeature feature_sizes[]
  hw/virtio: Pass virtio_feature_get_config_size() a const argument
  x86: acpi: use offset instead of pointer when using build_header()
  amd_iommu: Fix pte_override_page_mask()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

# Conflicts:
#	hw/arm/virt.c
2021-05-16 17:22:46 +01:00
Fabrice Fontaine f7a6df5f5b Fix build with 64 bits time_t
time element is deprecated on new input_event structure in kernel's
input.h [1]

This will avoid the following build failure:

hw/input/virtio-input-host.c: In function 'virtio_input_host_handle_status':
hw/input/virtio-input-host.c:198:28: error: 'struct input_event' has no member named 'time'
  198 |     if (gettimeofday(&evdev.time, NULL)) {
      |                            ^

Fixes:
 - http://autobuild.buildroot.org/results/a538167e288c14208d557cd45446df86d3d599d5
 - http://autobuild.buildroot.org/results/efd4474fb4b6c0ce0ab3838ce130429c51e43bbb

[1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=152194fe9c3f

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Message-Id: <20201203195819.583626-1-fontaine.fabrice@gmail.com>
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/246
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2021-05-14 10:26:18 -04:00
Markus Armbruster 9d49bcf699 Drop the deprecated lm32 target
Target lm32 was deprecated in commit d849800512, v5.2.0.  See there
for rationale.

Some of its code lives on in device models derived from milkymist
ones: hw/char/digic-uart.c and hw/display/bcm2835_fb.c.

Cc: Michael Walle <michael@walle.cc>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210503084034.3804963-2-armbru@redhat.com>
Acked-by: Michael Walle <michael@walle.cc>
[Trivial conflicts resolved, reST markup fixed]
2021-05-12 18:20:25 +02:00
Thomas Huth 4c386f8064 Do not include sysemu/sysemu.h if it's not really necessary
Stop including sysemu/sysemu.h in files that don't need it.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20210416171314.2074665-2-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-02 17:24:50 +02:00
Thomas Huth f6527eadeb hw: Do not include hw/sysbus.h if it is not necessary
Many files include hw/sysbus.h without needing it. Remove the superfluous
include statements.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210327082804.2259480-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-02 17:24:50 +02:00
Thomas Huth e06054368c hw: Remove superfluous includes of hw/hw.h
The include/hw/hw.h header only has a prototype for hw_error(),
so it does not make sense to include this in files that do not
use this function.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210326151848.2217216-1-thuth@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2021-05-02 17:24:50 +02:00
Peter Maydell 729cc68373 Remove superfluous timer_del() calls
This commit is the result of running the timer-del-timer-free.cocci
script on the whole source tree.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20201215154107.3255-4-peter.maydell@linaro.org
2021-01-08 15:13:38 +00:00
Gan Qixin f12985f14a ads7846: moves from the hw/display folder to the hw/input folder.
ads7846 is a touch-screen controller that is an input device rather
than a display device, so move it to the hw/input folder.

Signed-off-by: Gan Qixin <ganqixin@huawei.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <20201115123503.1110665-1-ganqixin@huawei.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-12-13 17:54:55 +01:00
Peter Maydell 019294db68 hw/input/ps2.c: Remove remnants of printf debug
In commit 5edab03d40 we added tracepoints to the ps2 keyboard
and mouse emulation. However we didn't remove all the debug-by-printf
support. In fact there is only one printf() remaining, and it is
redundant with the trace_ps2_write_mouse() event next to it.
Remove the printf() and the now-unused DEBUG* macros.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Message-id: 20201101133258.4240-1-peter.maydell@linaro.org
2020-11-17 12:56:32 +00:00
Chetan Pant 61f3c91a67 nomaintainer: Fix Lesser GPL version number
There is no "version 2" of the "Lesser" General Public License.
It is either "GPL version 2.0" or "Lesser GPL version 2.1".
This patch replaces all occurrences of "Lesser GPL version 2" with
"Lesser GPL version 2.1" in comment section.

This patch contains all the files, whose maintainer I could not get
from ‘get_maintainer.pl’ script.

Signed-off-by: Chetan Pant <chetan4windows@gmail.com>
Message-Id: <20201023124424.20177-1-chetan4windows@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
[thuth: Adapted exec.c and qdev-monitor.c to new location]
Signed-off-by: Thomas Huth <thuth@redhat.com>
2020-11-15 17:04:40 +01:00
Eduardo Habkost 8063396bf3 Use OBJECT_DECLARE_SIMPLE_TYPE when possible
This converts existing DECLARE_INSTANCE_CHECKER usage to
OBJECT_DECLARE_SIMPLE_TYPE when possible.

$ ./scripts/codeconverter/converter.py -i \
  --pattern=AddObjectDeclareSimpleType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-6-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00
Eduardo Habkost a489d1951c Use OBJECT_DECLARE_TYPE when possible
This converts existing DECLARE_OBJ_CHECKERS usage to
OBJECT_DECLARE_TYPE when possible.

 $ ./scripts/codeconverter/converter.py -i \
   --pattern=AddObjectDeclareType $(git grep -l '' -- '*.[ch]')

Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Acked-by: Paul Durrant <paul@xen.org>
Message-Id: <20200916182519.415636-5-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-18 14:12:32 -04:00
Eduardo Habkost 8110fa1d94 Use DECLARE_*CHECKER* macros
Generated using:

 $ ./scripts/codeconverter/converter.py -i \
   --pattern=TypeCheckMacro $(git grep -l '' -- '*.[ch]')

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-12-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-13-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-14-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09 09:27:09 -04:00
Eduardo Habkost db1015e92e Move QOM typedefs and add missing includes
Some typedefs and macros are defined after the type check macros.
This makes it difficult to automatically replace their
definitions with OBJECT_DECLARE_TYPE.

Patch generated using:

 $ ./scripts/codeconverter/converter.py -i \
   --pattern=QOMStructTypedefSplit $(git grep -l '' -- '*.[ch]')

which will split "typdef struct { ... } TypedefName"
declarations.

Followed by:

 $ ./scripts/codeconverter/converter.py -i --pattern=MoveSymbols \
    $(git grep -l '' -- '*.[ch]')

which will:
- move the typedefs and #defines above the type check macros
- add missing #include "qom/object.h" lines if necessary

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-9-ehabkost@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Message-Id: <20200831210740.126168-10-ehabkost@redhat.com>
Message-Id: <20200831210740.126168-11-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-09-09 09:26:43 -04:00
David Gibson 7e26c92ba8 adb: Correct class size on TYPE_ADB_DEVICE
The TypeInfo incorrectly just lets the class size be inherited.  It won't
actually break things, since the class is abstract, but we should get it
right.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
2020-09-08 10:08:42 +10:00
Liao Pingfang 830b925094 hw: Remove superfluous breaks
Remove superfluous breaks, as there is a "return" before them.

Signed-off-by: Liao Pingfang <liao.pingfang@zte.com.cn>
Signed-off-by: Yi Wang <wang.yi59@zte.com.cn>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1594631126-36631-1-git-send-email-wang.yi59@zte.com.cn>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2020-09-01 08:38:00 +02:00
Eduardo Habkost 41ea82055c pckbd: Move QOM macro to header
Move the I8042 macro close to the TYPE_I8042 define.

This will make future conversion to OBJECT_DECLARE* easier.

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Tested-By: Roman Bolshakov <r.bolshakov@yadro.com>
Message-Id: <20200825192110.3528606-34-ehabkost@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2020-08-27 14:04:54 -04:00
Marc-André Lureau 6a18fd0590 meson: convert hw/input
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2020-08-21 06:30:30 -04:00
Paolo Bonzini 243af0225a trace: switch position of headers to what Meson requires
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>
2020-08-21 06:18:24 -04:00
Peter Maydell 2c9728c0db hw/input/virtio-input-hid.c: Don't undef CONFIG_CURSES
virtio-input-hid.c undefines CONFIG_CURSES before including
ui/console.h. However since commits e2f82e924d and b0766612d1
that header does not have behaviour dependent on CONFIG_CURSES.
Remove the now-unneeded undef.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Message-id: 20200723192457.28136-1-peter.maydell@linaro.org
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2020-07-24 16:15:28 +02:00
Mark Cave-Ayland e590e7f014 adb: add ADB bus trace events
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Finn Thain <fthain@telegraphics.com.au>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20200623204936.24064-23-mark.cave-ayland@ilande.co.uk>
2020-06-26 10:13:52 +01:00