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2016-03-17block: Add blk_next_root_bs()Max Reitz2-0/+25
This function iterates over all BDSs attached to a BB. We are going to need it when rewriting bdrv_next() so it no longer uses bdrv_states. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17block: Add bdrv_next_monitor_owned()Max Reitz4-0/+17
Add a function for iterating over all monitor-owned BlockDriverStates so the generic block layer can do so. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17block: Move some bdrv_*_all() functions to BBMax Reitz6-51/+41
Move bdrv_commit_all() and bdrv_flush_all() to the BlockBackend level. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17blockdev: Remove blk_hide_on_behalf_of_hmp_drive_del()Max Reitz3-24/+6
We can basically inline it in hmp_drive_del(); monitor_remove_blk() is called already, so we just need to call bdrv_make_anon(), too. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17blockdev: Split monitor reference from BB creationMax Reitz18-76/+68
Before this patch, blk_new() automatically assigned a name to the new BlockBackend and considered it referenced by the monitor. This patch removes the implicit monitor_add_blk() call from blk_new() (and consequently the monitor_remove_blk() call from blk_delete(), too) and thus blk_new() (and related functions) no longer take a BB name argument. In fact, there is only a single point where blk_new()/blk_new_open() is called and the new BB is monitor-owned, and that is in blockdev_init(). Besides thus relieving us from having to invent names for all of the BBs we use in qemu-img, this fixes a bug where qemu cannot create a new image if there already is a monitor-owned BB named "image". If a BB and its BDS tree are created in a single operation, as of this patch the BDS tree will be created before the BB is given a name (whereas it was the other way around before). This results in minor change to the output of iotest 087, whose reference output is amended accordingly. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17blockdev: Separate BB name managementMax Reitz2-31/+63
Introduce separate functions (monitor_add_blk() and monitor_remove_blk()) which set or unset a BB name. Since the name is equivalent to the monitor's reference to a BB, adding a name the same as declaring the BB to be monitor-owned and removing it revokes this status, hence the function names. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17blockdev: Add list of all BlockBackendsMax Reitz1-1/+23
While monitor_block_backends contains nearly all BBs, we sometimes really need all BBs. To this end, this patch adds the block_backend list. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17blockdev: Rename blk_backendsMax Reitz1-9/+11
The blk_backends list does not contain all BlockBackends but only the ones which are referenced by the monitor, and that is not necessarily true for every BlockBackend. Rename the list to monitor_block_backends to make that fact clear. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17block: Drop BB name from bad option errorMax Reitz3-11/+11
The information which BB is concerned does not seem useful enough to justify its existence in most other place (which may be related to qemu printing the -drive parameter in question anyway, and for blockdev-add the attribution is naturally unambiguous). Furthermore, as of a future patch, bdrv_get_device_name(bs) will always return the empty string before bdrv_open_inherit() returns. Therefore, just dropping that information seems to be the best course of action. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17qapi: Drop QERR_UNKNOWN_BLOCK_FORMAT_FEATUREMax Reitz6-45/+18
Just specifying a custom string is simpler in basically all places that used it, and in addition, specifying the BB or node name is something we generally do not do in other error messages when opening a BDS, so we should not do it here. This changes the output for iotest 036 (to the better, in my opinion), so the reference output needs to be changed accordingly. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17block: Use blk_{commit,flush}_all() consistentlyMax Reitz3-4/+6
Replace bdrv_commmit_all() and bdrv_flush_all() by their BlockBackend equivalents. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17block: Add blk_commit_all()Max Reitz2-0/+6
Later, we will remove bdrv_commit_all() and move its contents here, and in order to replace bdrv_commit_all() calls by calls to blk_commit_all() before doing so, we need to add it as an alias now. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17block: Use blk_next() in block-backend.cMax Reitz1-6/+6
Instead of iterating directly through blk_backends, we can use blk_next() instead. This gives us some abstraction from the list itself which we can use to rename it, for example. Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17monitor: Use BB list for BB name completionMax Reitz1-3/+4
Signed-off-by: Max Reitz <mreitz@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2016-03-17block: Fix memory leak in hmp_drive_add_node()Kevin Wolf1-0/+1
hmp_drive_add_node() leaked qdict in the error path when no node-name is specified. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com>
2016-03-17block: Fix qemu_root_bds_opts.head initialisationKevin Wolf1-1/+1
Signed-off-by: Kevin Wolf <kwolf@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com>
2016-03-17crypto: add block encryption frameworkDaniel P. Berrange10-0/+1095
Add a generic framework for supporting different block encryption formats. Upon instantiating a QCryptoBlock object, it will read the encryption header and extract the encryption keys. It is then possible to call methods to encrypt/decrypt data buffers. There is also a mode whereby it will create/initialize a new encryption header on a previously unformatted volume. The initial framework comes with support for the legacy QCow AES based encryption. This enables code in the QCow driver to be consolidated later. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: wire up XTS mode for cipher APIsDaniel P. Berrange6-46/+405
Introduce 'XTS' as a permitted mode for the cipher APIs. With XTS the key provided must be twice the size of the key normally required for any given algorithm. This is because the key will be split into two pieces for use in XTS mode. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: refactor code for dealing with AES cipherDaniel P. Berrange2-74/+109
The built-in and nettle cipher backends for AES maintain two separate AES contexts, one for encryption and one for decryption. This is going to be inconvenient for the future code dealing with XTS, so wrap them up in a single struct so there is just one pointer to pass around for both encryption and decryption. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: import an implementation of the XTS cipher modeDaniel P. Berrange6-0/+743
The XTS (XEX with tweaked-codebook and ciphertext stealing) cipher mode is commonly used in full disk encryption. There is unfortunately no implementation of it in either libgcrypt or nettle, so we need to provide our own. The libtomcrypt project provides a repository of crypto algorithms under a choice of either "public domain" or the "what the fuck public license". So this impl is taken from the libtomcrypt GIT repo and adapted to be compatible with the way we need to call ciphers provided by nettle/gcrypt. Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: add support for the twofish cipher algorithmDaniel P. Berrange5-1/+82
New cipher algorithms 'twofish-128', 'twofish-192' and 'twofish-256' are defined for the Twofish algorithm. The gcrypt backend does not support 'twofish-192'. The nettle and gcrypt cipher backends are updated to support the new cipher and a test vector added to the cipher test suite. The new algorithm is enabled in the LUKS block encryption driver. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: add support for the serpent cipher algorithmDaniel P. Berrange5-1/+99
New cipher algorithms 'serpent-128', 'serpent-192' and 'serpent-256' are defined for the Serpent algorithm. The nettle and gcrypt cipher backends are updated to support the new cipher and a test vector added to the cipher test suite. The new algorithm is enabled in the LUKS block encryption driver. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: add support for the cast5-128 cipher algorithmDaniel P. Berrange5-2/+58
A new cipher algorithm 'cast-5-128' is defined for the Cast-5 algorithm with 128 bit key size. Smaller key sizes are supported by Cast-5, but nothing in QEMU should use them, so only 128 bit keys are permitted. The nettle and gcrypt cipher backends are updated to support the new cipher and a test vector added to the cipher test suite. The new algorithm is enabled in the LUKS block encryption driver. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: skip testing of unsupported cipher algorithmsDaniel P. Berrange1-1/+3
We don't guarantee that all crypto backends will support all cipher algorithms, so we should skip tests unless the crypto backend indicates support. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: add support for anti-forensic split algorithmDaniel P. Berrange6-0/+490
The LUKS format specifies an anti-forensic split algorithm which is used to artificially expand the size of the key material on disk. This is an implementation of that algorithm. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: add support for generating initialization vectorsDaniel P. Berrange14-0/+873
There are a number of different algorithms that can be used to generate initialization vectors for disk encryption. This introduces a simple internal QCryptoBlockIV object to provide a consistent internal API to the different algorithms. The initially implemented algorithms are 'plain', 'plain64' and 'essiv', each matching the same named algorithm provided by the Linux kernel dm-crypt driver. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17crypto: add support for PBKDF2 algorithmDaniel P. Berrange10-0/+853
The LUKS data format includes use of PBKDF2 (Password-Based Key Derivation Function). The Nettle library can provide an implementation of this, but we don't want code directly depending on a specific crypto library backend. Introduce a new include/crypto/pbkdf.h header which defines a QEMU API for invoking PBKDK2. The initial implementations are backed by nettle & gcrypt, which are commonly available with distros shipping GNUTLS. The test suite data is taken from the cryptsetup codebase under the LGPLv2.1+ license. This merely aims to verify that whatever backend we provide for this function in QEMU will comply with the spec. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into ↵Peter Maydell2-16/+3
staging # gpg: Signature made Thu 17 Mar 2016 11:08:28 GMT using RSA key ID 81AB73C8 # gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>" # gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>" * remotes/stefanha/tags/block-pull-request: Revert "qed: Implement .bdrv_drain" aio-posix: Change CONFIG_EPOLL to CONFIG_EPOLL_CREATE1 Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-17Revert "qed: Implement .bdrv_drain"Stefan Hajnoczi1-13/+0
This reverts commit df9a681dc9ad41c9cdeb9ecc5d060ba9abd27e01. Note that commit df9a681dc9ad41c9cdeb9ecc5d060ba9abd27e01 included some unrelated hunks, possibly due to a merge failure or an overlooked squash. This only reverts the qed .bdrv_drain() implementation. The qed .bdrv_drain() implementation is unsafe and can lead to a double request completion. Paolo Bonzini reports: "The problem is that bdrv_qed_drain calls qed_plug_allocating_write_reqs unconditionally, but this is not correct if an allocating write is queued. In this case, qed_unplug_allocating_write_reqs will restart the allocating write and possibly cause it to complete. The aiocb however is still in use for the L2/L1 table writes, and will then be completed again as soon as the table writes are stable." For QEMU 2.6 we can simply revert this commit. A full solution for the qed need check timer may be added if the bdrv_drain() implementation is extended. Reported-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Message-id: 1457431876-8475-1-git-send-email-stefanha@redhat.com
2016-03-17aio-posix: Change CONFIG_EPOLL to CONFIG_EPOLL_CREATE1Matthew Fortune1-3/+3
CONFIG_EPOLL was being used to guard epoll_create1 which results in build failures on CentOS 5. Signed-off-by: Matthew Fortune <matthew.fortune@imgtec.com> Reviewed-by: Fam Zheng <famz@redhat.com> Message-id: 6D39441BF12EF246A7ABCE6654B023536BB85D08@hhmail02.hh.imgtec.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2016-03-17crypto: add cryptographic random byte sourceDaniel P. Berrange7-1/+170
There are three backend impls provided. The preferred is gnutls, which is backed by nettle in modern distros. The gcrypt impl is provided for cases where QEMU build against gnutls is disabled, but crypto is still desired. No nettle impl is provided, since it is non-trivial to use the nettle APIs for random numbers. Users of nettle should ensure gnutls is enabled for QEMU. Reviewed-by: Fam Zheng <famz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
2016-03-17Merge remote-tracking branch 'remotes/ehabkost/tags/machine-pull-request' ↵Peter Maydell29-36/+28
into staging Machine Core queue, 2016-03-16 # gpg: Signature made Wed 16 Mar 2016 18:57:34 GMT using RSA key ID 984DC5A6 # gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" * remotes/ehabkost/tags/machine-pull-request: module: Rename machine_init() to opts_init() machine: Use type_init() to register machine classes Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16module: Rename machine_init() to opts_init()Eduardo Habkost8-9/+9
The only remaining users of machine_init() only call qemu_add_opts(). Rename machine_init() to opts_init() and move it closer to the qemu_add_opts() calls on vl.c. Cc: "Michael S. Tsirkin" <mst@redhat.com> Cc: Igor Mammedov <imammedo@redhat.com> Cc: Gerd Hoffmann <kraxel@redhat.com> Reviewed-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-03-16machine: Use type_init() to register machine classesEduardo Habkost21-27/+19
Change all machine_init() users that simply call type_register*() to use type_init(). Cc: Evgeny Voevodin <e.voevodin@samsung.com> Cc: Maksim Kozlov <m.kozlov@samsung.com> Cc: Igor Mitsyanko <i.mitsyanko@gmail.com> Cc: Dmitry Solodkiy <d.solodkiy@samsung.com> Cc: Peter Maydell <peter.maydell@linaro.org> Cc: Rob Herring <robh@kernel.org> Cc: Andrzej Zaborowski <balrogg@gmail.com> Cc: Michael Walle <michael@walle.cc> Cc: "Hervé Poussineau" <hpoussin@reactos.org> Cc: Aurelien Jarno <aurelien@aurel32.net> Cc: Leon Alrae <leon.alrae@imgtec.com> Cc: Alexander Graf <agraf@suse.de> Cc: David Gibson <david@gibson.dropbear.id.au> Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: "Michael S. Tsirkin" <mst@redhat.com> Acked-by: Marcel Apfelbaum <marcel@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
2016-03-16Merge remote-tracking branch 'remotes/cody/tags/block-pull-request' into stagingPeter Maydell2-5/+8
# gpg: Signature made Wed 16 Mar 2016 17:33:44 GMT using RSA key ID C0DE3057 # gpg: Good signature from "Jeffrey Cody <jcody@redhat.com>" # gpg: aka "Jeffrey Cody <jeff@codyprime.org>" # gpg: aka "Jeffrey Cody <codyprime@gmail.com>" * remotes/cody/tags/block-pull-request: MAINTAINERS: Fix typo, block/stream.h -> block/stream.c block/sheepdog: fix argument passed to qemu_strtoul() Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16Merge remote-tracking branch ↵Peter Maydell46-140/+4114
'remotes/pmaydell/tags/pull-target-arm-20160316-1' into staging target-arm queue: * loader: Fix incorrect parameter name in load_image_mr() * Implement MRS (banked) and MSR (banked) instructions * virt: Implement versioning for machine model * i.MX: some initial patches preparing for i.MX6 support * new ASPEED AST2400 SoC and palmetto-bmc machine * bcm2835: add some more raspi2 devices * sd: fix segfault running "info qtree" # gpg: Signature made Wed 16 Mar 2016 17:42:43 GMT using RSA key ID 14360CDE # gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" # gpg: aka "Peter Maydell <pmaydell@gmail.com>" # gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" * remotes/pmaydell/tags/pull-target-arm-20160316-1: (21 commits) sd: Fix "info qtree" on boards with SD cards bcm2835_dma: add emulation of Raspberry Pi DMA controller bcm2835_property: implement framebuffer control/configuration properties bcm2835_fb: add framebuffer device for Raspberry Pi bcm2835_aux: add emulation of BCM2835 AUX (aka UART1) block bcm2835_peripherals: enable sdhci pending-insert quirk for raspberry pi hw/arm: Add palmetto-bmc machine hw/arm: Add ASPEED AST2400 SoC model hw/intc: Add (new) ASPEED VIC device model hw/timer: Add ASPEED timer device model i.MX: Add missing descriptions in devices. i.MX: Add i.MX6 CCM and ANALOG device. i.MX: Add the CLK_IPG_HIGH clock i.MX: Remove CCM useless clock computation handling. i.MX: Rename CCM NOCLK to CLK_NONE for naming consistency. i.MX: Allow GPT timer to rollover. arm: virt: Move machine class init code to the abstract machine type arm: virt: Add an abstract ARM virt machine type target-arm: Fix translation level on early translation faults target-arm: Implement MRS (banked) and MSR (banked) instructions ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16sd: Fix "info qtree" on boards with SD cardsPeter Maydell1-2/+4
The SD card object is not a SysBusDevice, so don't create it with qdev_create() if we're not assigning it to a specific bus; use object_new() instead. This was causing 'info qtree' to segfault on boards with SD cards, because qdev_create(NULL, TYPE_FOO) puts the created object on the system bus, and then we may try to run functions like sysbus_dev_print() on it, which fail when casting the object to SysBusDevice. (This is the same mistake that we made with the NAND device and fixed in commit 6749695eaaf346c1.) Reported-by: xiaoqiang.zhao <zxq_yx_007@163.com> Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: xiaoqiang.zhao <zxq_yx_007@163.com> Message-id: 1458061009-7733-1-git-send-email-peter.maydell@linaro.org
2016-03-16bcm2835_dma: add emulation of Raspberry Pi DMA controllerGrégory ESTRADE5-0/+484
At present, all DMA transfers complete inline (so a looping descriptor queue will lock up the device). We also do not model pause/abort, arbitrarion/priority, or debug features. Signed-off-by: Grégory ESTRADE <gregory.estrade@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Message-id: 1457467526-8840-6-git-send-email-Andrew.Baumann@microsoft.com [AB: implement 2D mode, cleanup/refactoring for upstream submission] Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16bcm2835_property: implement framebuffer control/configuration propertiesGrégory ESTRADE4-15/+144
The property channel driver now interfaces with the framebuffer device to query and set framebuffer parameters. As a result of this, the "get ARM RAM size" query now correctly returns the video RAM base address (not total RAM size), and the ram-size property is no longer relevant here. Signed-off-by: Grégory ESTRADE <gregory.estrade@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Message-id: 1457467526-8840-5-git-send-email-Andrew.Baumann@microsoft.com [AB: cleanup/refactoring for upstream submission] Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16bcm2835_fb: add framebuffer device for Raspberry PiGrégory ESTRADE7-2/+517
The framebuffer occupies the upper portion of memory (64MiB by default), but it can only be controlled/configured via a system mailbox or property channel (to be added by a subsequent patch). Signed-off-by: Grégory ESTRADE <gregory.estrade@gmail.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Message-id: 1457467526-8840-4-git-send-email-Andrew.Baumann@microsoft.com [AB: added Windows (BGR) support and cleanup/refactoring for upstream submission] Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16bcm2835_aux: add emulation of BCM2835 AUX (aka UART1) blockAndrew Baumann5-0/+384
At present only the core UART functions (data path for tx/rx) are implemented, which is enough for UEFI to boot. The following features/registers are unimplemented: * Line/modem control * Scratch register * Extra control * Baudrate * SPI interfaces Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1457467526-8840-3-git-send-email-Andrew.Baumann@microsoft.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16bcm2835_peripherals: enable sdhci pending-insert quirk for raspberry piAndrew Baumann1-0/+7
Signed-off-by: Andrew Baumann <Andrew.Baumann@microsoft.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1457467526-8840-2-git-send-email-Andrew.Baumann@microsoft.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16hw/arm: Add palmetto-bmc machineAndrew Jeffery2-1/+66
The new machine is a thin layer over the AST2400 ARM926-based SoC[1]. Between the minimal machine and the current SoC implementation there is enough functionality to boot an aspeed_defconfig Linux kernel to userspace. Nothing yet is specific to the Palmetto's BMC (other than using an AST2400 SoC), but creating specific machine types is preferable to a generic machine that doesn't match any particular hardware. [1] http://www.aspeedtech.com/products.php?fPath=20&rId=376 Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Message-id: 1458096317-25223-5-git-send-email-andrew@aj.id.au Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16hw/arm: Add ASPEED AST2400 SoC modelAndrew Jeffery3-0/+173
While the ASPEED AST2400 SoC[1] has a broad range of capabilities this implementation is minimal, comprising an ARM926 processor, ASPEED VIC and timer devices, and a 8250 UART. [1] http://www.aspeedtech.com/products.php?fPath=20&rId=376 Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Message-id: 1458096317-25223-4-git-send-email-andrew@aj.id.au Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16hw/intc: Add (new) ASPEED VIC device modelAndrew Jeffery4-0/+395
Implement a basic ASPEED VIC device model for the AST2400 SoC[1], with enough functionality to boot an aspeed_defconfig Linux kernel. The model implements the 'new' (revised) register set: While the hardware exposes both the new and legacy register sets, accesses to the model's legacy register set will not be serviced (however the access will be logged). [1] http://www.aspeedtech.com/products.php?fPath=20&rId=376 Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Message-id: 1458096317-25223-3-git-send-email-andrew@aj.id.au Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16hw/timer: Add ASPEED timer device modelAndrew Jeffery5-0/+519
Implement basic ASPEED timer functionality for the AST2400 SoC[1]: Up to 8 timers can independently be configured, enabled, reset and disabled. Some hardware features are not implemented, namely clock value matching and pulse generation, but the implementation is enough to boot the Linux kernel configured with aspeed_defconfig. [1] http://www.aspeedtech.com/products.php?fPath=20&rId=376 Signed-off-by: Andrew Jeffery <andrew@aj.id.au> Message-id: 1458096317-25223-2-git-send-email-andrew@aj.id.au Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16i.MX: Add missing descriptions in devices.Jean-Christophe Dubois4-0/+4
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Message-id: f1f565eb9dffdeb582feb1b15ba9e8b0afcf5468.1456868959.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16i.MX: Add i.MX6 CCM and ANALOG device.Jean-Christophe Dubois3-0/+972
Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Message-id: 9fa80b4d8c5d0f50c94e77d74f952a7a665e168f.1456868959.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16i.MX: Add the CLK_IPG_HIGH clockJean-Christophe Dubois5-12/+15
EPIT, GPT and other i.MX timers are using "abstract" clocks among which a CLK_IPG_HIGH clock. On i.MX25 and i.MX31 CLK_IPG and CLK_IPG_HIGH are mapped to the same clock but on other SOC like i.MX6 they are mapped to distinct clocks. This patch add the CLK_IPG_HIGH to prepare for SOC where these 2 clocks are different. Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Message-id: 224bf650194760284cb40630e985867e1373276a.1456868959.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2016-03-16i.MX: Remove CCM useless clock computation handling.Jean-Christophe Dubois3-65/+0
Most clocks supported by the CCM are useless to the qemu framework. Only clocks related to timers (EPIT, GPT, PWM, WATCHDOG, ...) are usefull to QEMU code. Therefore this patch removes clock computation handling for all clocks but: * CLK_NONE, * CLK_IPG, * CLK_32k Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Jean-Christophe Dubois <jcd@tribudubois.net> Message-id: 9e7222efb349801032e60c0f6b0fbad0e5dcf648.1456868959.git.jcd@tribudubois.net Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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