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2011-10-16i8259: Clean up pic_ioport_readJan Kiszka
Drop redundant local address variable. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8259: Fix poll commandJan Kiszka
This was probably never used so far: According to the spec, polling means ack'ing the pending IRQ and setting its corresponding bit in isr. Moreover, we have to signal a pending IRQ via bit 7 of the returned value, and we must not return a spurious IRQ if none is pending. This implements the poll command without the help of pic_poll_read which is left untouched as pic_intack_read is still using it. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8259: Switch to per-PIC IRQ updateJan Kiszka
This converts pic_update_irq to work against a single PIC instead of the complete cascade. Along this change, the required update after pic_set_irq1 is now moved into that function. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8259: Clear ELCR on resetJan Kiszka
The ELCR is actually part of the chipset but we model it here for simplicity reasons. The PIIX3 clears the ELCR on reset, which was once broken by 4dbe19e181. Fix this by splitting up pic_init_reset from pic_reset and clearing the register in the latter. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8259: Update IRQ state after resetJan Kiszka
MIPS and PPC users of the i8259 output signal expect us to report state updates also after reset. As no consumer (including the master PIC) can misinterpret the deassert as an activation event, it is safe to simply update the IRQ state after reset. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8259: Reorder intack in pic_read_irqJan Kiszka
As we want to move the IRQ update to pic_intack, ordering matters: the slave ack must be executed before the master ack to avoid missing further pending slave IRQs. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8259: Do not update IRQ output after spurious pic_poll_readJan Kiszka
If pic_poll_read finds no pending IRQ and return a spurious one instead, no PIC state is changed, thus we do not need to call pic_update_irq. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8239: Introduce per-PIC output interruptJan Kiszka
As a first step towards more generic master-slave support, remove parent_irq in favor of a per-PIC output interrupt line. The slave's line is attached to IRQ2 of the master, but it remains unused for now. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8259: Move pic_set_irq1 after pic_update_irqJan Kiszka
We are about to call the latter from the former. No functional changes. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8259: Drop obsolete prototypesJan Kiszka
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16i8259: Remove premature inline function attributesJan Kiszka
The compiler is smarter in choosing the right optimization. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16pc: Fix and clean up PIC-to-APIC IRQ pathJan Kiszka
The master PIC is connected to the LINTIN0 of the APICs. As the APIC currently does not track the state of that line, we have to ask the PIC to reinject its IRQ after the CPU picked up an event from the APIC. This introduces pic_get_output to read the master PIC IRQ line state without changing it. The APIC uses this function to decide if a PIC IRQ should be reinjected on apic_update_irq. This reflects better how the real hardware works. The patch fixes some failures of the kvm unit tests apic and eventinj by allowing to enable the proper CPU IRQ deassertion when the guest masks some pending IRQs at PIC level. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16pc: Convert GSIState::i8259_irq into arrayJan Kiszka
Will be required when we no longer let i8259_init allocate the PIC IRQs but convert that chips to qdev. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16pc: Generalize ISA IRQs to GSIsJan Kiszka
The ISA bus IRQ range is 0..15. What isa_irq_handler and IsaIrqState are actually dealing with are the Global System Interrupts. Refactor the code to clarify this. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16pc: Drop useless test from isa_irq_handlerJan Kiszka
IsaIrqState::ioapic is always non-NULL. Probably, the concrete qemu_irq was supposed to be tested, but that's already done by qemu_set_irq. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16target-xtensa: add Avnet LX60/LX110/LX200 boardsMax Filippov
These boards carry similar hardware: SDRAM (48M for LX110, 64M for LX60, 96M for LX200), 16 Mbyte FLASH, FPGA, 10/100 Mbps Ethernet PHY and 16550 UART. FPGA may be loaded with almost any Tensilica processor. It is also used to implement Ethernet MAC, e.g. OpenCores 10/100 Mbps Ethernet MAC and LED/DIP switches access. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16hw: add OpenCores 10/100 Mbps Ethernet controllerMax Filippov
This is OpenCores Ethernet MAC + subset of National Semiconductors DP83838C PHY. OpenCores Ethernet MAC project: http://opencores.org/project,ethmac Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16target-xtensa: rename dc232b board to simMax Filippov
This is to get aligned with the linux name for this machine. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16target-xtensa: implement external interrupt mappingMax Filippov
Xtensa cores may have different mapping of external interrupt pins to internal IRQ numers. Implement API to acquire core IRQ by its external interrupt number. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-16target-xtensa: remove hand-written xtensa cores implementationsMax Filippov
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-15target-xtensa: fix guest hang on masked CCOMPARE interruptMax Filippov
QEMU timer is used to post CCOMPARE interrupt when the core is halted. If that CCOMPARE interrupt is masked off then the timer must be rearmed in the callback, otherwise it will be rearmed next time the core goes to halt by the waiti instruction. Add test case into timer testsuite. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-15Move graphic-related coalesced MMIO flushes to affected device modelsJan Kiszka
This is conceptually cleaner and will allow us to drop the nographic timer. Moreover, it will be mandatory to fully exploit future per-device coalesced MMIO rings. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2011-10-14Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori
2011-10-14Merge remote-tracking branch 'stefanha/trivial-patches' into stagingAnthony Liguori
2011-10-14Merge remote-tracking branch 'kraxel/usb.28' into stagingAnthony Liguori
2011-10-14Merge remote-tracking branch 'qemu-kvm-tmp/memory/batch' into stagingAnthony Liguori
2011-10-14arm_pic: Fix typoAndreas Färber
interrput -> interrupt Cc: Paul Brook <paul@codesourcery.com> Signed-off-by: Andreas Färber <andreas.faerber@web.de> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-10-13usb-hub: don't trigger assert on packet completion.Gerd Hoffmann
Calling usb_packet_complete() recursively when passing up the completion event up the chain for devices connected via usb hub will trigger an assert. So don't do that, make the usb hub emulation call the upstream completion callback directly instead. Based on a patch from Stefan Hajnoczi <stefanha@gmail.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-10-13usb-hid: activate usb tablet / mouse after migration.Gerd Hoffmann
qemu uses the ps/2 mouse by default. The usb tablet (or mouse) is activated as soon as qemu sees some guest activity on the device, i.e. polling for HID events. That used to work fine for both fresh boot and migration. Remote wakeup support changed the picture though: There will be no polling after migration in case the guest suspended the usb bus, waiting for wakeup events. Result is that the ps/2 mouse stays active. Fix this by activating the usb tablet / mouse in post_load() in case the guest enabled remote wakeup. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-10-13hw/usb-ohci: Honour endpoint maximum packet sizePeter Maydell
Honour the maximum packet size for endpoints; this applies when sending non-isochronous data and means we transfer only as much as the endpoint allows, leaving the transfer descriptor on the list for another go next time around. This allows usb-net to work when connected to an OHCI controller model. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-10-13hw/usb-ohci: Fix OHCI_TD_T1 bit position definitionPeter Maydell
The OHCI Transfer Descriptor T (DataToggle) bits are 24 and 25; fix an error which accidentally overlaid them both on the same bit. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-10-13usb: fix port resetGerd Hoffmann
commit 891fb2cd4592b6fe76106a69e0ca40efbf82726a removed the implicit detach before (re-)attaching in usb_attach(). Some usb host controllers used that behavior though to do a port reset by a detach+attach sequence. This patch establishes old behavior by adding a new usb_reset() function for port resets and putting it into use, thereby also unifying port reset behavior of all host controllers. The patch also adds asserts to usb_attach() and usb_detach() to make sure the calls are symmetrical. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-10-13usb-hub: need to check dev->attachedGerd Hoffmann
commit 891fb2cd4592b6fe76106a69e0ca40efbf82726a did that for all host controllers, the usb hub was left out by accident. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-10-13usb-storage: fix NULL pointer dereference.Gerd Hoffmann
When a usb packet is canceled we need to check whenever we actually have a scsi request in flight before we try to cancel it. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2011-10-11isa: Remove isa_init_ioport_range and isa_init_ioportRichard Henderson
All users have been converted to either isa_register_ioport or isa_register_old_portio_list. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11ide: Convert to isa_register_portio_listRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11vmport: Convert to isa_register_ioportRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11pc: Convert port92 to isa_register_ioportRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11vga: Convert to isa_register_portio_listRichard Henderson
[jan: fix cut'n'paste errors] [avi: adjust pci variants not to use isa functions] Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11sb16: Convert to isa_register_portio_listRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11parallel: Convert to isa_register_portio_listRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11ne2000: Convert to isa_register_ioportRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11rtc: Convert to isa_register_ioportRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11m48t59: Convert to isa_register_ioportRichard Henderson
The sysbus interface is as yet unconverted. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11gus: Convert to isa_register_portio_listRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11fdc: Convert to isa_register_portio_listRichard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11isa: Add isa_register_portio_list()Avi Kivity
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Avi Kivity <avi@redhat.com>
2011-10-11scsi: Support I/O statusLuiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-10-11ide: Support I/O statusLuiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2011-10-11virtio: Support I/O statusLuiz Capitulino
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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