PCI load routine has to be called with size equal to 256 (otherwise it
will crash in weird ways). So assert this, making code clearer.
Also avoid dynamically sized array on stack - good for portability.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Cc: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Now that net_client_init() has no users, kill it off and rename
net_client_init_from_opts().
There is no further need for the old code in net_client_parse() either.
We use qemu_opts_parse() 'firstname' facitity for that. Instead, move
the special handling of the 'vmchannel' type there.
Simplify the vl.c code into merely call net_client_parse() for each
-net command line option and then calling net_init_clients() later
to iterate over the options and create the clients.
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
We now only assign strdup()ed strings to these fields, never static
strings.
aliguori: fix build for ppc_prep and mips_jazz
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This patch adds infrastructure to maintain memory regions which must be
restored on reset. That includes roms (vga bios and option roms on pc),
but is also used when loading linux kernels directly. Features:
- loading files is supported.
- passing blobs is supported.
- target address range is supported (for optionrom area).
- fixed target memory address is supported (linux kernel).
New in v2:
- writes to ROM are done only at initial boot.
- also handle aout and uimage loaders.
- drop unused fread_targphys() function.
The final memory layout is created once all memory regions are
registered. The option roms get addresses assigned and the
registered regions are checked against overlaps. Finally all data
is copyed to the guest memory.
Advantages:
(1) Filling memory on initial boot and on reset takes the same
code path, making reset more robust.
(2) The need to keep track of the option rom load address is gone.
(3) Due to (2) option roms can be loaded outside pc_init(). This
allows to move the pxe rom loading into the nic drivers for
example.
Additional bonus: There is a 'info roms' monitor command now.
The patch also switches over pc.c and removes the
option_rom_setup_reset() and load_option_rom() functions.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This is necessary to support OpenBSD 4.2 install, without
this change it triggers an assert.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
By making the error reporting include strerror(errno), it gives the user
a bit more indication as to why qemu failed. This is particularly
important for people running qemu as a non root user.
Signed-off-by: Justin M. Forbes <jforbes@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
It's qdev_create() specialized for PCI, so name it accordingly.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Monitor command "pci_add ADDR nic model=MODEL" uses pci_nic_init() to
create the NIC. When MODEL is unknown or "?", this prints to stderr
and terminates the program.
Change pci_nic_init() not to treat "?" specially, and to return NULL
on failure. Switch uses during startup to new convenience wrapper
pci_nic_init_nofail(), which behaves just like pci_nic_init() used to
do.
Bonus bug fix: we now check for qdev_init() failing there.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Before this patch, pci_nic_init() returns NULL when it can't find the
model in pci_nic_models[]. Except this can't happen, because
qemu_check_nic_model_list() just searched for model in
pci_nic_models[], and terminated the program on failure.
Repeating the search here is pointless. Instead, change
qemu_check_nic_model_list() to return the model's array index.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Monitor command "pci_add ADDR storage ..." does its work in
qemu_pci_hot_add_nic(). It called pci_create(..., ADDR) to create the
device. That's wrong, because pci_create() terminates the program
when ADDR is invalid.
Use pci_get_bus_devfn() and pci_create_noinit() instead.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Commit a414c306 converted all VGA devices to qdev. It used
pci_create_simple() for all devices, except for this one it used
pci_create(). That's wrong, because it uses PCI bus#0 regardless of
the bus argument. Fix by switching to pci_create_noinit().
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This is necessary to make FreeBSD recognize the device as 82557 - otherwise its
driver will use unsupported features and fail to work.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Currently only one virtio_console device is supported. Trying to add
multiple devices fails and such failure should be reported back to the
qdev init functions.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
When initialising a device fails, show the name of the failing device.
The current behaviour is to silently exit on such errors.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The idea of using assert() for input validation is rather questionable.
Let's remove it from eepro100, so that guests need to find more interesting
ways if they want to crash qemu.
This patch replaces asserts that are directly dependent on guest-accessible
data by other means of error handling.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
it's safe to call msix_write_config if msix
is disabled, so call it unconditionally on
pci config write.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Since cpu_register_phys_memory does not require size to be a multiple of
target page size, simply make msix page size 0x1000. Do this in msix,
reverting part of 5e520a7d50, as we no
longer have to pass target page around.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Reset BARs and a couple of other registers on bus reset, as per PCI
spec.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
refactor code slightly, adding symbolic constants and functions, and
using macros where possible. This will also make following reset
patches easier.
No functional changes.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
virtio pci registers its own reset handler, but fails to unregister it,
which will lead to crashes after device removal. Solve this problem by
switching to qdev reset handler, which is automatically unregistered.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add type safety to qdev reset handlers, by declaring them as
DeviceState * rather than void *.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Everything using standard isa I/O ports and IRQ windup is considerd
being an actual isa device. That are all serial_init() users except
mips_mipssim() which seems to have a non-standard IRQ windup.
baud rate is fixed at 115200 now as no caller passed in something else.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
isa-fdc is completely qdev-ified with this patch applied, all
configuration uses properties.
sysbus-fdc needs dma_channel config fixed. There is only one user
(mips_jazz) which uses dma channel 0. Can anyone knowing this
platform suggest how to deal with it? Is hardcoding fine?
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Allow adding unconnected host drives by specifying if=none like it is
possible with -drive. They can be put in use with drive attributes,
like this:
drive_add dummy if=none,id=mydisk,file=/some/disk.img
device_add virtio-blk-pci,drive=mydisk
which is the monitor aequivalent to these command line switches:
-drive if=none,id=mydisk,file=/some/disk.img
-device virtio-blk-pci,drive=mydisk
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
move pci device lookup into the "case IF_SCSI" section, so we
can do something else for other interface types.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Changes:
* drive_uninit() wants a DriveInfo now.
* drive_uninit() also calls bdrv_delete(),
so callers don't need to do that.
* drive_uninit() calls are moved over to the ->exit()
callbacks, destroy_bdrvs() is zapped.
* setting bdrv->private is not needed any more as the
only user (destroy_bdrvs) is gone.
* usb-storage needs no drive_uninit, scsi-disk will
handle that.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Switch over acpi-based PCI hotplug for pc over to the new
qdev-based pci hotplugging.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Create qdev infrastructure for pci hotplug. PCI bus implementations
must register a handler for hotplug. Creating a new PCI device will
automagically hot-plug it in case the PCI bus in question supports this.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Adds device_add and device_del commands. device_add accepts accepts
the same syntax like the -device command line switch. device_del
expects a device id. So you should tag your devices with ids if you
want to remove them later on, like this:
device_add pci-ohci,id=ohci
device_del ohci
Unplugging via pci_del or usb_del works too.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Hook into DeviceInfo->exit().
handle_destroy() must not free the state struct, this is handled
by the new usb_qdev_exit() function now.
qdev_free(usb_device) works now.
Fix usb hub to qdev_free() all connected devices on unplug.
Unplugging a usb hub works now.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
pci_unregister_device is static now and hooked into Devicestate->exit.
qdev_free(pci_device) works now.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This adds a exit callback for device destruction to DeviceInfo, so
we can hook cleanups into qdev device destruction.
Followup patches will put that into use.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Two bug fixes:
* When freeing a device we unregister even stuff we didn't register in
the first place because the ->init() callback failed.
* When freeing a device with child busses attached, we fail to zap the
child bus (and the devices attached to it).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Switch RTC emulations to the new host_clock instead of vm_clock by
default. This has the advantage that the emulated RTC will follow
automatically the host time while it might be tuned via NTP. vm_clock
can still be selected by passing '-rtc clock=vm' on the command line.
Note that some RTC emulations (at least M48T59) already use the host
time unconditionally while others (namely MC146818) do not. This patch
introduces the required infrastructure for selecting the base clock but
only converts MC146818 for now.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
If the user issues one of the following commands to the Monitor:
pci_add pci_addr=auto nic model=None
pci_add pci_addr=auto nic model=?
QEMU will exit, because the function used to perform sanity
checks (qemu_check_nic_model_list()) exits on error.
This function is used by the startup code, where it makes
sense to exit on error, but in the Monitor it doesn't.
Changing qemu_check_nic_model_list() to not exit on error
is not possible though, as it's used by the board init
code (the PC one), where all board specific code must have
void return.
The way I've chosen to fix this was to introduce a new function
called pci_nic_supported(), which checks if the NIC is supported
and returns true or false accordingly.
The new function is used only by the Monitor, it performs the
necessary check and returns an error in case the NIC is not
supported, thus qemu_check_nic_model_list()'s exit is never trigged.
The following should be observed:
1. Only the specified NIC is checked, the default one is assumed
to be supported
2. The NIC query command (model=?) won't work with pci_add, the
right way to do this with the Monitor is to add a new command
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Register all relevant fields of Musicpal device states with the VMState
framework. This involves a few type changes of state variables.
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Stop the periodic timers of the PIT on reset, disabling via the control
register and invalid parameters.
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The qdev_gpio conversion of 343ec8e caused come polarity mismatch of key
event pins and left an overly complex solution behind. Take this chance
and refactor the GPIO input system of the Musicpal, moving it closer to
reality:
- Instantiate all 32 GPIO input pins and do the routing only via
qdev_connect_gpio_out.
- Implement IMR and IER registers. They manage the GPIO pin IRQ. IMR
seems to enable IRQs on rising edges, IER on falling ones. At least
this matches what the Musicpal fireware require.
- Move key pin logic inversion from the GPIO layer to musicpal_key.
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
They likely represent invalid queues that should be skipped. We already
do this for RX queues. Wish I had a spec...
Credits go to malc for analyzing the issue and suggesting this fix.
Signed-off-by: Jan Kiszka <jan.kiszka@web.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
They were saved as uint8_t already. To make things simpler, I just
reg == -1 used to indicate an error, I create LM832x_GENERAL_ERROR
with vale 0xff to represet it
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Just don't look. struct tm members are ints' and they are sent as uint16_t.
VMState code complains as it should. Have to create hacky int32_as_uint16
type. Don't ever think about copying it
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
its value is always the level of an interrupt, 0 or 1
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
They were using only with very small integers, and they are sent/read as
bytes. They can't become negative as far as I can see
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This one is needed for changees happening on fdc. It allows you to send
arrays of structs whose size we want to send it is another field with type
uint8_t. (If you have been able to read the whole sentence without
stoping for breathing, you can use it.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Now that we have version_id on post_load() we don't need the old load
function
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
In a later patch, we introduce pre_save() and post_save() functions.
The whole point of that operation is to change things in the state.
Without this patch, we have to remove the const qualifier in each
use with a cast
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This is a regression/bug caused by previous vga_cleanup. This fixes
Ubuntu installer reported by:
Pierre Riteau
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The new devices added here are still not functional -
partially because some patches are still missing,
partially because I cannot test them. Nevertheless
they belong to the same family and will be supported
by this driver some day.
As soon as they work, they will also be added to hw/pci.c.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
A lot of entries are unused (they were added by copy + paste
from other drivers during development of eepro100.c).
Removing them from nic_save, nic_load makes any
old saved status incompatible, so a new version
for the virtual machine data was needed, too.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
MULTI_REQ is never defined, so it doesn't matter much, but since
we have an if statement there, let's add {} to clarify what it
should do if it's uncommented, and indent the code properly.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
In the very least, a change like this requires discussion on the list.
The naming convention is goofy and it causes a massive merge problem. Something
like this _must_ be presented on the list first so people can provide input
and cope with it.
This reverts commit 99a0949b72.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Fix another place with =- to be "= -".
to avoid confusion with old-style "-="
(which we also have, and needs to be fixed).
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Modern compilers do not parse "=-" as decrement:
you must use "-=" for that. Same for "=+"/"+=".
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Put space between = and - assigning a negative number
to avoid confusion with old-style "-="
(which we also have, and needs to be fixed).
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
* Use TRACE macro to allow different logging flags.
* Add new debugging messages and clean existing ones.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Replace:
if (-1 == foo())
with:
if (foo() == -1)
While this coding style is not in direct contravention of our currently
ratified CODING_STYLE treaty, it could be argued that the Article 3 of
the European Convention on Human Rights (prohibiting torture and "inhuman
or degrading treatment") reads on the matter.
[This commit message was brought to you without humour, as is evidenced
by the absence of any emoticons]
Signed-off-by: Mark McLoughlin <markmc@redhat.com>
Cc: Avi Kivity <avi@redhat.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The CPU state parameter is not used, remove it and adjust callers. Now we
can compile ioport.c once for all targets.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Callers must pass ELF machine, byte swapping and symbol LSB clearing
information to ELF loader. A.out loader needs page size information, pass
that too as a parameter.
Extract prototypes to a separate file. Move loader.[ch] and elf_ops.h under hw.
Adjust callers. Also use target_phys_addr_t instead of target_ulong for
addresses: loader addresses aren't virtual.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Well one problem seems to be the rx condition,
... if ((s->ier & UART_IER_RDI) && (s->lsr & UART_LSR_DR))
is not enough to trigger an irq, yet still causes the following
conditions not to be checked anymore at all.
Signed-off-by: Juergen Lock <nox@jelal.kn-bremen.de>
Acked-by: Jan Kiszka <jan.kiszka@web.de>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
With this patch applied ide drives (when attached to a pci adapter) can
be created via -device, like this:
-drive if=none,id=mydisk,file=/path/to/disk.img
-device ide-drive,drive=mydisk,bus=ide.0,unit=0
Note that creating a master on ide1 doesn't work that way. That is a
side effect of qemu creating a cdrom automagically even if you don't
ask for it.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This allows the ide bus being initialized without drives attached
and the drives being attached and initialization later on as
separate step.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Like pci_create_simple() but doesn't call qdev_init(), so one can
set properties before initializing the device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
The serial ports should be present even if associated with a null device
as some firmware wants to initialize them.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
When creating null devices, there is no way to ensure the unicity of
the labels. Bail out with an error message instead.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Changes:
* added isa bus, hooked up to the system bus. Not sure this is correct,
but 'info pci' lists lists no pci-isa bridge in the machine ...).
* switches the default cpu to one which actually works.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Recent versions of the Linux kernel will not preempt CPU-intensive
tasks unless the clock used by sched_clock() works. On -M versatilepb
that's the 24MHz timer in the system controller. It's a very simple
timer, so implement it.
Signed-off-by: Daniel Jacobowitz <dan@codesourcery.com>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Problem: Our file sys-queue.h is a copy of the BSD file, but there are
some additions and it's not entirely compatible. Because of that, there have
been conflicts with system headers on BSD systems. Some hacks have been
introduced in the commits 15cc923584,
f40d753718,
96555a96d7 and
3990d09adf but the fixes were fragile.
Solution: Avoid the conflict entirely by renaming the functions and the
file. Revert the previous hacks.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
We can't move fifo back to an embeded array because it needs to be aligned
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This naming was used in kvm tree, and is easier to remember
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
vmsd alone is not enugh, because we can have several structs saved with the same description (vmsd).
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Use DO_UPCAST() instead of container_of() to go from PCIDevice to
I6300State. This ensures that PCIDevice is the first member of struct
I6300State.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Hello,
In some cases bus driver can deassert "bus master" bit in PCI command
register. The driver will no longer be able to update related registers in
the device. Eventually it will cause QEMU to exit in "virtqueue_num_heads"
function.
Attached path that fixes the described issue.
Best regards,
Yan Vugenfirer.
>From 3fdafbdfad676ec8479dc073cff70bf356868bfe Mon Sep 17 00:00:00 2001
From: Yan Vugenfirer <yvugenfi@redhat.com>
Date: Tue, 8 Sep 2009 10:08:14 -0400
Subject: [PATCH] VirtIO: Fix QEMU crash during Windows PNP tests
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add a new VIRTIO_BLK_F_WCACHE feature to virtio-blk to indicate that we have
a volatile write cache that needs controlled flushing. Implement a
VIRTIO_BLK_T_FLUSH operation to flush it.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Add a enable_write_cache flag in the block driver state, and use it to
decide if we claim to have a volatile write cache that needs controlled
flushing from the guest. The flag is off if cache=writethrough is
defined because O_DSYNC guarantees that every write goes to stable
storage, and it is on for cache=none and cache=writeback.
Both scsi-disk and ide now use the new flage, changing from their
defaults of always off (ide) or always on (scsi-disk).
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
initialize vectors for all vqs to VIRTIO_NO_VECTOR rather than 0 which
is a valid vector. This fixes migration which happened before driver
was loaded.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: Amit Shah <amit.shah@redhat.com>
Tested-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
commit bf011293fa made virtio-blk-pci not
PCI-compliant, since it makes region 0 (which is an i/o region)
size > 256, and, since PCI 2.1, i/o regions are limited to 256 bytes size.
When the ATA serial number feature is off, which is the default,
make the device spec compliant again, by making region 0 smaller.
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reported-by: Vadim Rozenfeld <vrozenfe@redhat.com>
Tested-by: Vadim Rozenfeld <vrozenfe@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
It is quite common for virtio-blk to submit more than one write request in a
row to the qemu block layer. Use bdrv_aio_multiwrite to allow block drivers to
optimize its handling of the requests.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Also split the isa bits into a separate source file, so we don't drag in
a dependency for isa-bus.o for machines which want ne2k_pci only.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Like isa_create_simple, but doesn't call qdev_init, so one can set
properties after creating and before initializing the device.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
isa-bus owns the isa irqs now, so it can hand them out directly.
There is no need for the separate isa_connect_irqs step, drop it.
Also hard-code isa interrupts which can't be configured anyway.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Lot of ISA devices work at fixed addresses, so having iobase
as bus property doesn't make much sense. Devices which can
have different iobases will get a device property.
Also simply hard-code stuff which can't be configured anyway.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
PCI device entries have to have a default version, not 2, because they are
used in the midle of other structures that can have _any_ version number.
We can't use proper versioning here until we have SubSections support.
Why we didn't noticed before? Because in a PC, the only device ported with
a version less that 2 is piix_pm, and for that one, default pci values are
right. If you use a virtio-console, you will see that its state it is not
loaded back.
Thanks to Amit Shah for reporting the problem and help debug the fix.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Doing this will make the vcpu ioctl be issued from the I/O thread, instead
of cpu thread. The correct behaviour is to call it from within the cpu thread,
as soon as we are ready to go.
Signed-off-by: Glauber Costa <glommer@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
The RTC emulation does not set the IRQ flags independent of the IRQ enable bits.
The original MC146818A datasheet from 1984 notes:
"flag bits in Register C [...] are set independent of the
state of the corresponding enable bits in Register B"
Similar sections can be found in newer documentation e.g. in rtc82885.
Qemu and Bochs set the IRQ flags only if they are enabled,
which breaks drivers polling on them.
The following patch corrects this for the update-ended-flag in Qemu only.
It does not fix the handling of the other flags.
Signed-off-by: Bernhard Kauer <kauer@tudos.org>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Here's a patch to fix the issue introduced by me, as Reimar Döffinger pointed out,
Reimar Döffinger wrote:
> On Thu, Aug 13, 2009 at 03:01:20PM +0300, Naphtali Sprei wrote:
>> Bug fix for segfault when run as i82551 HW:
>> Use Extended TBD only when HW supports it (i82558 and up).
>>
>> Added assertions to guard from such buffer overflow
>> Introduce the MAX_TCB_BYTE_COUNT macro
>> Allocate buf big enough as HW needs (MAX_ETH_FRAME_SIZE -> MAX_TCB_BYTE_COUNT)
>>
>>
>> I don't feel 100% OK with the "s->device >= i82558B" condition
>> since it relies on the numeric (hex) value of those defines, which currently
>> is correct, but changes (which I don't forsee now) might break it.
>
> It seems this was applied. Unfortunately this breaks things on FreeBSD.
> There seem to be multiple issues.
> First, the intel document says the 82551, 82550, 82559 models are all
> supersets of the 82558. Or in other words: they all support this
> feature.
> Only the 82557 does not.
> But then even for that the FreeBSD driver will fail.
> The reason for that is this line:
> eeprom_contents[0xa] = 0x4000;
> the value here must be 0x01000 for all 82557 models it seems.
Correct the logic of determining devices that supports
extended TxCB: only the 82557 do not support it.
Signed-off-by: Naphtali Sprei <nsprei@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* Use function pci_config_set_device_id
* Use new macro PCI_DEVICE_ID_INTEL_82557
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Full coverage with properties and everything. You can add virtual usb
sticks this way now:
-drive if=none,id=pendrive,path=/some/where
-device usb-storage,drive=pendrive
-usbdevice disk:/path/to/image continues to work.
Other side effects:
usb storage is listed in 'info block' now.
kvm tree should be able to boot from usb via extboot (untested though).
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Drop num_ports argument for usb_ohci_init_pci(), everybody
calls it with num_ports == 3, so it is pointless.
Convert ohci pci device into qdev.
TODO: convert non-pci ohci adapters.
You can add a OHCI USB Controller to your virtual pc now using
'-device pci-ohci'. Specifying a id is a good idea, so you can
attach usb devices to it, like this:
-device pci-ohci,id=ohci
-device usb-mouse,bus=ohci.0
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Move usb code from vl.c to usb-bus.c and make it use the new data
structures added by qdev conversion. qemu usb core should be able
to handle multiple USB busses just fine now (untested though).
Kill some usb_*_init() legacy functions, use usb_create_simple()
instead.
Kill some FIXMEs added by the first qdev/usb patch.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
* Add USBBus.
* Add USBDeviceInfo, move device callbacks here.
* Add usb-qdev helper functions.
* Switch drivers to qdev.
TODO:
* make the rest of qemu aware of usb busses and kill the FIXMEs
added by this patch.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Simplify the logic to do everything inside the function.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Simplify the logic to do everything inside the function. Return 0xff if index is out of range independetly of DEBUG_CIRRUS
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Simplify the logic to do everything inside the function.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Simplify the logic to do everything inside the function.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Simplify the logic to do everything inside the function
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Simplify the logic to do everything inside the function
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
It is only used in mips softmmu, compile only there.
it_shift field was only used for vga_isa_mm, move it from VGACommonState
to ISAVGAMMstate.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Adjust all the VGAState in VGACommonState
Compile vga-isa.o in the targets that use it
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Adjust all the VGAState in VGACommonState
Compile vga-pci.o only for targets that use it.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Once there adjust VGAState <-> VGACommonState
Export vga_common_save/vga_common_load (nreeded by wmvare_vga
Remove vga.pci_dev field, it is not needed anymore
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Up to now "select without attention" was handled the same way as
"select with attention". According to
http://www.ibiblio.org/pub/historic-linux/early-ports/Sparc/NCR/NCR53C9X.txt
select without ATN sends the CDB (Command Descriptor Block) directly,
whereas select with ATN sends one message phase byte
followed by 6, 10, or 12 command phase bytes.
The attached patch implements the behaviour described above.
Signed-off-by: Artyom Tarasenko <atar4qemu@gmail.com>
[blauwirbel@gmail.com: cleaned up formatting]
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
8baf73adf6 (qdev/isa: convert fdc)
breaks MIPS Malta:
Tried to create isa device isa-fdc with no isa bus present
Fix this by creating an isa bus for piix4.
This change also requires some more qdev related changes
(similar changes were applied to pc.c) and allows
cleaning of piix3/piix4 code.
Thanks to Gerd Hoffmann for his hints.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit ports command handlers that receive three arguments to use
the new monitor's dictionary.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit ports command handlers that receive two arguments to use
the new monitor's dictionary.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit ports command handlers that receive one argument to use
the new monitor's dictionary.
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Some functions exported to be used by the Monitor as command
handlers are also called in other places as regular functions.
When those functions got ported to use the Monitor dictionary
to pass argments, the callers will have to setup a dictionary
to be able to call them.
To avoid this problem, this commit add wrappers to those functions,
so that we change the wrapper to accept the dictionary, letting
the current functions as is.
The following wrappers are being added:
- do_help_cmd()
- do_pci_device_hot_remove()
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
These variables are per bus, not per drive. Lets move them and
cleanup things a bit. And fix the cmd migration bug for real.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
eepro100.c shouldn't have the need to do this in its local header file.
And I recently started getting this:
$ make -j3
...
CC x86_64-softmmu/eepro100.o
/home/amit/src/qemu/hw/eepro100.c:112: error: two or more data types
in declaration specifiers
/home/amit/src/qemu/hw/eepro100.c:112: warning: useless type name in
empty declaration
make[1]: *** [eepro100.o] Error 1
so just remove the typedef and include <stdbool.h> instead.
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Now that we have all fields belonging to a PCIDevice, save each field
on the device that it belongs. This means moving pci_irq_levels
from PCII440FXState to PIIX3State.
Old formats are loaded, but we only save on the new saner format.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
With previous cleanups, now it is possible to put it where it belongs
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Michael S. Tsirkin
Mark McLoughlin
Anthony Liguori
Gerd Hoffmann
=?UTF-8?q?Reimar=20D=C3=B6ffinger?=
Justin M. Forbes
Markus Armbruster
Gleb Natapov
Amit Shah
Kevin Wolf
Jan Kiszka
Luiz Capitulino
Jan Kiszka
Juan Quintela
Aurelien Jarno
Stefan Weil
malc
Blue Swirl
Juergen Lock
Daniel Jacobowitz
Edgar E. Iglesias
Yan Vugenfirer
Christoph Hellwig
Glauber Costa
Bernhard Kauer
Naphtali Sprei
Artyom Tarasenko