| Commit message (Collapse) | Author | Age | Files | Lines |
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As pointed out by avi the vgabios update is guest-visible and thus has
migration implications.
One change is that the vga has a valid pci rom bar now. We already have
a pci bus property to enable/disable the rom bar and we'll load the bios
via fw_cfg as fallback for the no-rom-bar case. So we just have to add
compat properties to handle this case.
A second change is that the magic bochs lfb @ 0xe0000000 is gone. When
live-migrating a guest from a older qemu version it might be using the
lfb though, so we have to keep it for the old machine types. The patch
enables the bochs lfb in case we don't have the pci rom bar enabled
(i.e. we are in 0.13+older compat mode).
This patch depends on these patches which add (and use) the pc-0.13
machine type:
http://patchwork.ozlabs.org/patch/70797/
http://patchwork.ozlabs.org/patch/70798/
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: avi@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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video.x is gone now. It was the only user of the
vga bios_offset + bios_size logic. Zap it.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Make stdvga provide the new vgabios binary (with pcibios support)
using the PCI option rom bar. Seabios will happily load it from
there. The new vga bios will also lookup the framebuffer address
in pci config space, so the magic bochs lfb @ 0xe0000000 is not
needed any more -> zap it.
Without the patch:
# dmesg | grep framebuffer
vesafb: framebuffer at 0xe0000000, mapped to 0xf7e80000, using 1875k, total 8192k
# lspci -vs2
00:02.0 VGA compatible controller: Technical Corp. Device 1111 (prog-if 00 [VGA controller])
Subsystem: Qumranet, Inc. Device 1100
Physical Slot: 2
Flags: fast devsel
Memory at f0000000 (32-bit, prefetchable) [size=8M]
Expansion ROM at <unassigned> [disabled]
With patch applied:
# dmesg | grep framebuffer
vesafb: framebuffer at 0xf0000000, mapped to 0xf7e80000, using 1875k, total 8192k
# lspci -vs2
00:02.0 VGA compatible controller: Technical Corp. Device 1111 (prog-if 00 [VGA controller])
Subsystem: Qumranet, Inc. Device 1100
Physical Slot: 2
Flags: fast devsel
Memory at f0000000 (32-bit, prefetchable) [size=8M]
Expansion ROM at f0800000 [disabled] [size=64K]
cheers,
Gerd
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Don't overwrite pci header type.
Otherwise, multi function bit which pci_init_header_type() sets
appropriately is lost.
Anyway PCI_HEADER_TYPE_NORMAL is zero, so it is unnecessary to zero
which is already zero cleared.
how to test:
run qemu and issue info pci to see whether a device in question is
normal device, not pci-to-pci bridge.
This is handy because guest os isn't required.
tested changes:
The following files are covered by using following commands.
sparc64-softmmu
apb_pci.c, vga-pci.c, cmd646.c, ne2k_pci.c, sun4u.c
ppc-softmmu
grackle_pci.c, cmd646.c, ne2k_pci.c, vga-pci.c, macio.c
ppc-softmmu -M mac99
unin_pci.c(uni-north, uni-north-agp)
ppc64-softmmu
pci-ohci, ne2k_pci, vga-pci, unin_pci.c(u3-agp)
x86_64-softmmu
acpi_piix4.c, ide/piix.c, piix_pci.c
-vga vmware vmware_vga.c
-watchdog i6300esb wdt_i6300esb.c
-usb usb-uhci.c
-sound ac97 ac97.c
-nic model=rtl8139 rtl8139.c
-nic model=pcnet pcnet.c
-balloon virtio virtio-pci.c:
untested changes:
The following changes aren't tested.
prep_pci.c: ppc-softmmu -M prep should cover, but core dumped.
unin_pci.c(uni-north-pci): the caller is commented out.
openpic.c: the caller is commented out in ppc_prep.c
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Apparently, VBE maps the VGA vram to a fixed physical location. KVM requires
that all mappings of the VGA vram have dirty tracking enabled on them. Any
access to the VGA vram through the VBE mapping currently fails to result in
dirty page tracking updates causing a black screen.
This is the true root cause of VMware VGA not working correctly under KVM and
likely also an issue with some of the std-vga black screen issues too.
Cirrus does not enable VBE so it would not be a problem when using Cirrus.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Rebased-by: Dave Airlie <airlied@redhat.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Anthony Liguori's patch fixes the problems with
vga display in graphical mode and SeaBIOS.
I only adapted some values for vga-pci.
Signed-off-by: Stefan Weil <weil@mail.berlios.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Because of a typo, structure field vga_bios_size was not initialized
properly and a bogus BAR6 for the nonexistent VGA BIOS appeared.
The bug was uncovered by c169998802505c244b8bcad562633f29de7d74a4.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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This patch is preliminary for 64 bit BAR support.
Introduce dedicated type, pcibus_t, to represent pci bus address/size
instead of uint32_t.
Later this type will be changed to uint64_t.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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make constants for pci base address match pci_regs.h by
renaming PCI_ADDRESS_SPACE_xxx to PCI_BASE_ADDRESS_SPACE_xxx.
Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Like qdev_init(), but terminate program via hw_error() instead of
returning an error value.
Use it instead of qdev_init() where terminating the program on failure
is okay, either because it's during machine construction, or because
we know that failure can't happen.
Because relying in the latter is somewhat unclean, and the former is
not always obvious, it would be nice to go back to qdev_init() in the
not-so-obvious cases, only with proper error handling. I'm leaving
that for another day, because it involves making sure that error
values are properly checked by all callers.
Patchworks-ID: 35168
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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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>
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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>
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They are needed there on qemu-kvm.
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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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>
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