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2012-07-02atapi: implement READ DISC INFORMATIONPaolo Bonzini1-0/+31
This command is not necessary for CD-ROM and DVD-ROM, but some versions of udev trip on its absence. Cc: Kevin Wolf <kwolf@redhat.com> Cc: Markus Armbruster <armbru@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-06-27ide/ahci: Use universal DMA helper functionsDavid Gibson3-16/+23
The AHCI device can provide both PCI and SysBus AHCI device emulations. For this reason, it wasn't previously converted to use the pci_dma_*() helper functions. Now that we have universal DMA helper functions, this converts AHCI to use them. The DMAContext is obtained from pci_dma_context() in the PCI case and set to NULL in the SysBus case (i.e. we assume for now that a SysBus AHCI has no IOMMU translation). Cc: Kevin Wolf <kwolf@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-06-27iommu: Make sglists and dma_bdrv helpers use new universal DMA helpersDavid Gibson2-3/+4
dma-helpers.c contains a number of helper functions for doing scatter/gather DMA, and various block device related DMA. Currently, these directly access guest memory using cpu_physical_memory_*(), assuming no IOMMU translation. This patch updates this code to use the new universal DMA helper functions. qemu_sglist_init() now takes a DMAContext * to describe the DMA address space in which the scatter/gather will take place. We minimally update the callers qemu_sglist_init() to pass NULL (i.e. no translation, same as current behaviour). Some of those callers should pass something else in some cases to allow proper IOMMU translation in future, but that will be fixed in later patches. Cc: Kevin Wolf <kwolf@redhat.com> Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-06-19Allow machines to configure the QEMU_VERSION that's exposed via hardwareCrístian Viana1-1/+1
QEMU exposes its version to the guest's hardware and in some cases that is wrong (e.g. Windows prints messages about driver updates when you switch the QEMU version). There is a new field now on the struct QEmuMachine, hw_version, which may contain the version that the specific machine should report. If that field is set, then that machine will report that version to the guest. Signed-off-by: Crístian Viana <vianac@linux.vnet.ibm.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-06-18Merge remote-tracking branch 'afaerber-or/qom-next-2' into stagingAnthony Liguori2-10/+24
* afaerber-or/qom-next-2: (22 commits) qom: Push error reporting to object_property_find() qdev: Remove qdev_prop_exists() qbus: Initialize in standard way qbus: Make child devices links qdev: Connect busses with their parent devices qdev: Convert busses to QEMU Object Model qdev: Move SysBus initialization to sysbus.c qdev: Use wrapper for qdev_get_path qdev: Remove qdev_prop_set_defaults qdev: Clean up global properties qdev: Move bus properties to abstract superclasses qdev: Move bus properties to a separate global qdev: Push "type" property up to Object arm_l2x0: Rename "type" property to "cache-type" m48t59: Rename "type" property to "model" qom: Assert that public types have a non-NULL parent field qom: Drop type_register_static_alias() macro qom: Make Object a type qom: Add class_base_init qom: Add object_child_foreach() ...
2012-06-18Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori2-4/+20
* kwolf/for-anthony: (39 commits) qemu-iotests: add 036 autoclear feature bit test qemu-iotests: add qcow2.py set-feature-bit command fdc-test: introduced qtest read_without_media fdc: fix implied seek while there is no media in drive qcow2: fix autoclear image header update xen: Don't peek behind the BlockDriverState abstraction xen: Don't change -drive if=xen device name during machine init block: Replace bdrv_get_format() by bdrv_get_format_name() qemu-img: document qed format on qemu-img man page qemu-iotests: COW with many AIO requests on the same cluster qemu-iotests: Some backing file COW tests qcow2: Fix avail_sectors in cluster allocation code qcow2: Simplify calculation for COW area at the end qcow2: always operate caches in writeback mode ide: support enable/disable write cache block: always open drivers in writeback mode block: add bdrv_set_enable_write_cache block: copy enable_write_cache in bdrv_append savevm: flush after saving vm state block: flush in writethrough mode after writes ...
2012-06-18Merge remote-tracking branch 'mst/tags/for_anthony' into stagingAnthony Liguori3-22/+24
* mst/tags/for_anthony: pci_bridge_dev: fix error path in pci_bridge_dev_initfn() qdev: release parent properties on dc->init failure msi: Use msi/msix_present more consistently msi: Invoke msi/msix_write_config from PCI core msi: Guard msi/msix_write_config with msi_present msi: Invoke msi/msix_reset from PCI core msi: Guard msi_reset with msi_present ahci: Clean up reset functions intel-hda: Fix reset of MSI function ahci: Fix reset of MSI function rtl8139: honor RxOverflow flag in can_receive method shpc: unparent device before free
2012-06-18qdev: Convert busses to QEMU Object ModelAnthony Liguori2-6/+18
This is far less interesting than it sounds. We simply add an Object to each BusState and then register the types appropriately. Most of the interesting refactoring will follow in the next patches. Since we're changing fundamental type names (BusInfo -> BusClass), it all needs to convert at once. Fortunately, not a lot of code is affected. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> [AF: Made all new bus TypeInfos static const.] [AF: Made qbus_free() call object_delete(), required {qom,glib}_allocated] Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-06-18qdev: Move bus properties to abstract superclassesPaolo Bonzini1-1/+1
In qdev, each bus in practice identified an abstract superclass, but this was mostly hidden. In QOM, instead, these abstract classes are explicit so we can move bus properties there. All bus property walks are removed, and all device property walks are changed to look along the class hierarchy instead. We would have duplicates if class A defines some properties and its subclass B does not define any, because class_b->props will be left equal to class_a->props. The solution here is to reintroduce the class_base_init TypeInfo callback, that was present in one of the early QOM versions but removed (on my request...) before committing. This breaks global bus properties, an obscure feature when used with the command-line which is actually useful and used when used by backwards-compatible machine types. So this patch also adjusts the global bus properties in hw/pc_piix.c to refer to the abstract class. Globals and other properties must be modified in the same patch to avoid complications related to initialization ordering. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-06-18qdev: Move bus properties to a separate globalPaolo Bonzini1-4/+6
Simple code movement in order to simplify future refactoring. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de>
2012-06-15ide: support enable/disable write cachePaolo Bonzini1-3/+18
Enabling or disabling the write cache is done with the SET FEATURES command. The command can be issued with sg_sat_set_features from sg3-utils. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-06-15Un-inline fdctrl_init_isa()Markus Armbruster1-1/+2
Signed-off-by: Markus Armbruster <armbru@redhat.com> Reviewed-by: Anthony Liguori <aliguori@us.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-06-07msi: Invoke msi/msix_write_config from PCI coreJan Kiszka1-8/+0
Also this functions is better invoked by the core than by each and every device. This allows to drop the config_write callbacks from ich and intel-hda. CC: Alexander Graf <agraf@suse.de> CC: Gerd Hoffmann <kraxel@redhat.com> CC: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-06-07msi: Invoke msi/msix_reset from PCI coreJan Kiszka1-1/+0
There is no point in pushing this burden to the devices, they tend to forget to call them (like intel-hda, ahci, xhci did). Instead, reset functions are now called from pci_device_reset. They do nothing if MSI/MSI-X is not in use. CC: Alexander Graf <agraf@suse.de> CC: Gerd Hoffmann <kraxel@redhat.com> CC: Isaku Yamahata <yamahata@valinux.co.jp> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-06-07ahci: Clean up reset functionsJan Kiszka3-17/+20
Properly register reset functions via the device class. CC: Alexander Graf <agraf@suse.de> Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-06-07ahci: Fix reset of MSI functionJan Kiszka1-2/+10
Call msi_reset on device reset as still required by the core. CC: Alexander Graf <agraf@suse.de> CC: qemu-stable@nongnu.org Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2012-06-07build: convert libhw to nested Makefile.objsPaolo Bonzini1-0/+10
After this patch, the libhw* directories will have a hierarchy that mimics the source tree. This is useful because we do have a couple of files there that are in the top source directory. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-05-30ahci: SATA FIS is 20 bytes, not 0x20Daniel Verkamp1-2/+2
As in the SATA and AHCI specifications, a FIS is 5 Dwords of 4 bytes each, which comes to 20 bytes (decimal), not 0x20. Signed-off-by: Daniel Verkamp <daniel@drv.nu> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-05-02ATA: Allow WIN_SECURITY_FREEZE_LOCK as nopAlexander Graf1-1/+6
When using Windows 8 with an AHCI disk drive, it issues a blue screen. The reason is that WIN_SECURITY_FREEZE_LOCK / CFA_WEAR_LEVEL is not supported by our ATA implementation, but Windows expects it to be there. Since without security stuff implemented, the lock would be a nop anyway and CFA_WEAR_LEVEL already is treated as a nop, let's just allow the cmd for HD drives as well. That way Windows is happy. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-04-19ide: convert ide_sector_write() to asynchronous I/OStefan Hajnoczi1-19/+42
The IDE PIO write sector code path uses bdrv_write() and hence can make the guest unresponsive while the I/O request is in progress. This patch converts ide_sector_write() to use bdrv_aio_writev() by using the BUSY_STAT bit to tell the guest that the request is in progress. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Tested-by: Richard Davies <richard@arachsys.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-04-19ide: convert ide_sector_read() to asynchronous I/OStefan Hajnoczi2-21/+58
The IDE PIO interface currently uses bdrv_read() to perform reads synchronously. Synchronous I/O in the vcpu thread is bad because it prevents the guest from executing code - it makes the guest unresponsive. This patch converts IDE PIO to use bdrv_aio_readv(). We simply need to use the BUSY_STAT status so the guest knows to wait while we are busy. The only external user of ide_sector_read() is restart behavior on I/O errors and it is not affected by this change. We still need to restart I/O in the same way. Migration is also unaffected if I understand the code correctly. We continue to use the same transfer function and the BUSY_STAT status should never be migrated since we flush I/O before migrating device state. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Zhi Yong Wu <wuzhy@linux.vnet.ibm.com> Tested-by: Richard Davies <richard@arachsys.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-04-05Use DMADirection type for dma_bdrv_ioDavid Gibson2-2/+4
Currently dma_bdrv_io() takes a 'to_dev' boolean parameter to determine the direction of DMA it is emulating. We already have a DMADirection enum designed specifically to encode DMA directions. This patch uses it for dma_bdrv_io() as well. This involves removing the DMADirection definition from the #ifdef it was inside, but since that only existed to protect the definition of dma_addr_t from places where config.h is not included, there wasn't any reason for it to be there in the first place. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-04-05ide: Adds wwn=hex qdev optionFloris Bos3-8/+29
Allow the user to specify a disk's World Wide Name. Linux guests can address disks by their unique World Wide Name number (e.g. /dev/disk/by-id/wwn-0x5001517959123522). This patch adds support for assigning a World Wide Name number to a virtual IDE disk. Cc: kwolf@redhat.com Signed-off-by: Floris Bos <dev@noc-ps.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-04-05ide: Change serial number strncpy() to pstrcpy()Floris Bos1-1/+1
strncpy may not null-terminate the destination string. Cc: kwolf@redhat.com Signed-off-by: Floris Bos <dev@noc-ps.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-04-05ide: Add "model=s" qdev optionFloris Bos3-8/+29
Allow the user to override the default disk model name "QEMU HARDDISK". Some Linux distributions use the /dev/disk/by-id/scsi-SATA_name-of-disk- model_serial addressing scheme when refering to partitions in /etc/fstab and elsewhere. This causes problems when starting a disk image taken from an existing physical server under qemu, because when running under qemu name-of-disk-model is always "QEMU HARDDISK". This patch introduces a model=s option which in combination with the existing serial=s option can be used to fake the disk the operating system was previously on, allowing the OS to boot properly. Cc: kwolf@redhat.com Signed-off-by: Floris Bos <dev@noc-ps.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-04-05ide: IDENTIFY word 86 bit 14 is reservedKevin Wolf1-1/+1
Reserved bits should be cleared to zero. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-04-05aio: move BlockDriverAIOCB to qemu-aio.hPaolo Bonzini1-1/+0
And remove several block_int.h inclusions that should not be there. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-03-11Add missing const attributes for MemoryRegionOpsStefan Weil5-8/+8
Most MemoryRegionOps already had the const attribute. This patch adds it to the remaining ones. Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2012-02-29ide: fail I/O to empty diskPaolo Bonzini1-4/+20
Requesting a read or a write operation on an empty disk can lead to QEMU dumping core. Also fix a few braces here and there. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-02-24Merge remote-tracking branch 'qmp/queue/qmp' into stagingAnthony Liguori2-15/+8
* qmp/queue/qmp: qmp: add DEVICE_TRAY_MOVED event ide: drop ide_tray_state_post_load() block: Don't call bdrv_eject() if the tray state didn't change block: bdrv_eject(): Make eject_flag a real bool block: Rename bdrv_mon_event() & BlockMonEventAction
2012-02-22ide: drop ide_tray_state_post_load()Luiz Capitulino1-10/+0
This is used to sync the physical tray state after migration when using CD-ROM passthrough. However, migrating when using passthrough is broken anyway and shouldn't be supported... So, drop this function as it causes a problem with the DEVICE_TRAY_MOVED event, which is going to be introduced by the next commit. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Kevin Wolf <kwolf@redhat.com>
2012-02-22block: Don't call bdrv_eject() if the tray state didn't changeLuiz Capitulino1-2/+5
It's not needed. Besides we can then assume that bdrv_eject() is only called when there's a tray state change, which is useful to the DEVICE_TRAY_MOVED event (going to be added in a future commit). Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Kevin Wolf <kwolf@redhat.com>
2012-02-22block: Rename bdrv_mon_event() & BlockMonEventActionLuiz Capitulino1-3/+3
They are QMP events, not monitor events. Rename them accordingly. Also, move bdrv_emit_qmp_error_event() up in the file. A new event will be added soon and it's good to have them next each other. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Acked-by: Kevin Wolf <kwolf@redhat.com>
2012-02-22ahci: use new DMA helpersPaolo Bonzini1-69/+13
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2012-02-17Merge remote-tracking branch 'stefanha/trivial-patches' into stagingAnthony Liguori2-3/+3
* stefanha/trivial-patches: linux-user: brk() debugging virtio: Remove unneeded g_free() check in virtio_cleanup() net: remove extra spaces in help messages fmopl: Fix typo in function name vl.c: Fix typo in variable name ide: fix compilation errors when DEBUG_IDE is set cpu-exec.c: Correct comment about this file and indentation cleanup CODING_STYLE: Clarify style for enum and function type names linux-user: fail execve() if env/args too big
2012-02-15Merge remote-tracking branch 'kwolf/for-anthony' into stagingAnthony Liguori1-0/+7
* kwolf/for-anthony: AHCI: Masking of IRQs actually masks them sheepdog: fix co_recv coroutine context AHCI: Fix port reset race rewrite QEMU_BUILD_BUG_ON qcow2: Keep unknown header extension when rewriting header qcow2: Update whole header at once vpc: Round up image size during fixed image creation vpc: Add support for Fixed Disk type iSCSI: add configuration variables for iSCSI qemu-io: add write -z option for bdrv_co_write_zeroes qed: add .bdrv_co_write_zeroes() support qed: replace is_write with flags field block: perform zero-detection during copy-on-read block: add .bdrv_co_write_zeroes() interface cutils: extract buffer_is_zero() from qemu-img.c
2012-02-15qom: Unify type registrationAndreas Färber7-14/+19
Replace device_init() with generalized type_init(). While at it, unify naming convention: type_init([$prefix_]register_types) Also, type_init() is a function, so add preceding blank line where necessary and don't put a semicolon after the closing brace. Signed-off-by: Andreas Färber <afaerber@suse.de> Cc: Anthony Liguori <anthony@codemonkey.ws> Cc: malc <av1474@comtv.ru> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-02-10ide: fix compilation errors when DEBUG_IDE is setHervé Poussineau2-3/+3
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org> Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2012-02-09AHCI: Masking of IRQs actually masks themAlexander Graf1-0/+2
When masking IRQ lines, we should actually mask them out and not declare them active anymore. Once we mask them in again, they are allowed to trigger again. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-02-09AHCI: Fix port reset raceAlexander Graf1-0/+5
bdrv_aio_cancel() can trigger bdrv_aio_flush() which makes all aio that is currently in flight finish. So what we do is: port reset detect ncq in flight cancel ncq delete ncq sg list at which point we have double freed the sg list. Instead, with this patch we do: port reset detect ncq in flight cancel ncq check if we are really still in flight delete ncq sg list which makes things work and gets rid of the race. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2012-02-03qdev: remove baked in notion of aliases (v2)Anthony Liguori1-2/+0
Limit them to the device_add functionality. Device aliases were a hack based on the fact that virtio was modeled the wrong way. The mechanism for aliasing is very limited in that only one alias can exist for any device. We have to support it for the purposes of compatibility but we only need to support it in device_add so restrict it to that piece of code. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> --- v1 -> v2 - Use a table for aliases (Paolo)
2012-02-03qdev: kill off DeviceInfoAnthony Liguori1-1/+1
It is no longer used in the tree since everything is done natively through QEMU Object Model. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-02-03qdev: register all types natively through QEMU Object ModelAnthony Liguori7-101/+135
This was done in a mostly automated fashion. I did it in three steps and then rebased it into a single step which avoids repeatedly touching every file in the tree. The first step was a sed-based addition of the parent type to the subclass registration functions. The second step was another sed-based removal of subclass registration functions while also adding virtual functions from the base class into a class_init function as appropriate. Finally, a python script was used to convert the DeviceInfo structures and qdev_register_subclass functions to TypeInfo structures, class_init functions, and type_register_static calls. We are almost fully converted to QOM after this commit. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-27sysbus: apic: ioapic: convert to QEMU Object ModelAnthony Liguori1-9/+14
This converts three devices because apic and ioapic are subclasses of sysbus. Converting subclasses independently of their base class is prohibitively hard. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-27pci: convert to QEMU Object ModelAnthony Liguori4-65/+108
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-27ide: convert to QEMU Object ModelAnthony Liguori2-49/+82
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-27isa: pic: convert to QEMU Object ModelAnthony Liguori1-7/+13
This converts two devices at once because PIC subclasses ISA and converting subclasses independently is extremely hard. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-27qdev: prepare source tree for code conversionAnthony Liguori3-69/+64
These are various small stylistic changes which help make things more consistent such that the automated conversion script can be simpler. It's not necessary to agree or disagree with these style changes because all of this code is going to be rewritten by the patch monkey script anyway. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-27qdev: move qdev->info to classAnthony Liguori1-1/+1
Right now, DeviceInfo acts as the class for qdev. In order to switch to a proper ObjectClass derivative, we need to ween all of the callers off of interacting directly with the info pointer. Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2012-01-26ahci: add support for non-PCI based controllersRob Herring1-0/+44
Add support for ahci on sysbus. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com> Reviewed-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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