| /qemu/include/hw/arm/ |
| H A D | armsse.h | 8 * it under the terms of the GNU General Public License version 2 or
13 * This is a model of the Arm "Subsystems for Embedded" family of
14 * hardware, which include the IoT Kit and the SSE-050, SSE-100 and
16 * - the Arm IoT Kit which is documented in
18 * - the SSE-200 which is documented in
21 * The IoTKit contains:
23 * the IDAU
28 * a bus fabric which arranges that some parts of the address
30 * The SSE-200 additionally contains:
42 * + QOM property "memory" is a MemoryRegion containing the devices provided
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| /qemu/include/system/ |
| H A D | device_tree.h | 10 * This work is licensed under the GNU GPL license version 2 or later.
21 * load_device_tree_from_sysfs: reads the device tree information in the
22 * /proc/device-tree directory and return the corresponding binary blob
29 * qemu_fdt_node_path: return the paths of nodes matching a given
31 * @fdt: pointer to the dt blob
37 * Use g_strfreev() to free it. If one or more nodes were found, the
38 * array contains the path of each node and the last element equals to
39 * NULL. If there is no error but no matching node was found, the
41 * was encountered when parsing the blob, the function returns NULL
50 * qemu_fdt_node_unit_path: return the paths of nodes matching a given
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| H A D | replay.h | 5 * of the Russian Academy of Sciences.
7 * This work is licensed under the terms of the GNU GPL, version 2 or later.
8 * See the COPYING file in the top-level directory.
30 /* IDs of the checkpoints */
47 /* Name of the initial VM snapshot */
52 * The locks are needed to protect the shared structures and log file
53 * when doing record/replay. They also are the main sync-point between
54 * the main-loop thread and the vCPU thread. This was a role
55 * previously filled by the BQL which has been busy trying to reduce
56 * its impact across the code. This ensures blocks of events stay
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| /qemu/qapi/ |
| H A D | qdev.json | 4 # This work is licensed under the terms of the GNU GPL, version 2 or later.
5 # See the COPYING file in the top-level directory.
18 # @typename: the type name of a device
25 # properties are not included in the output of this command.
38 # @driver: the name of the new device's driver
40 # @bus: the device's parent bus (device tree path)
42 # @id: the device's ID, must be unique
46 # @json-cli: If present, the "-device" command line option supports
47 # JSON syntax with a structure identical to the arguments of this
50 # @json-cli-hotplug: If present, the "-device" command line option
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| H A D | audio.json | 6 # This work is licensed under the terms of the GNU GPL, version 2 or later.
7 # See the COPYING file in the top-level directory.
20 # QEMU and convert audio formats when not supported by the
38 # @buffer-length: the buffer length in microseconds
57 # @in: options of the capture stream
59 # @out: options of the playback stream
71 # Options of the D-Bus audio backend.
73 # @in: options of the capture stream
75 # @out: options of the playback stream
77 # @nsamples: set the number of samples per read/write calls (default to 480,
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| /qemu/include/crypto/ |
| H A D | ivgen.h | 7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * You should have received a copy of the GNU Lesser General Public
30 * CBC. The principle is that each disk sector is assigned a unique
105 * @alg: the initialization vector generation algorithm
106 * @cipheralg: the cipher algorithm or 0
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| H A D | akcipher.h | 8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * You should have received a copy of the GNU Lesser General Public
31 * @opts: the asymmetric key algorithm and related options
34 * supported by the current configured build
42 * @opts: specify the algorithm and the related arguments
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| /qemu/include/qom/ |
| H A D | object_interfaces.h | 21 * @parent_class: the base class
32 * Interface also provides an optional ability to do the second
33 * stage * initialization of the object after its properties were
52 * @uc: the user-creatable object whose complete() method is called if defined
53 * @errp: if an error occurs, a pointer to an area to store the error
56 * from implements USER_CREATABLE interface, otherwise the call does
65 * @uc: the object whose can_be_deleted() method is called if implemented
74 * @type: the object type name
75 * @id: the unique ID for the object
76 * @qdict: the object properties
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| /qemu/include/hw/virtio/ |
| H A D | virtio-bus.h | 11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation, either version 2 of the License, or
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * You should have received a copy of the GNU General Public License along
57 * Expose the features the transport layer supports before
58 * the negotiation takes place.
63 * This is called by virtio-bus just after the device is plugged.
68 * This is called by virtio-bus just before the device is unplugged.
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| /qemu/docs/system/ |
| H A D | bootindex.rst | 4 QEMU can tell QEMU-aware guest firmware (like the x86 PC BIOS)
6 A simple way to set this order is to use the ``-boot order=`` option,
8 property on the individual block or net devices you specify
9 on the QEMU command line.
11 The ``bootindex`` properties are used to determine the order in which
12 firmware will consider devices for booting the guest OS. If the
13 ``bootindex`` property is not set for a device, it gets the lowest
18 Some guest machine types (for instance the s390x machines) do
44 Given the command above, firmware should try to boot from the e1000 NIC
45 first. If this fails, it should try the virtio NIC next; if this fails
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| /qemu/docs/devel/ |
| H A D | submitting-a-pull-request.rst | 7 sent as simple patch emails to the mailing list (see our page on
17 **Resend the patches with the pull request** as emails which are
18 threaded as follow-ups to the pull request itself. The simplest way to
19 do this is to use ``git format-patch --cover-letter`` to create the
20 emails, and then edit the cover letter to include the pull request
23 **Use PULL as the subject line tag** in both the cover letter and the
26 helps people to filter in or out the resulting emails (especially useful
27 if they are only CC'd on one email out of the set).
30 the original author if the patch was not written by you. This is because
31 with a pull request you're now indicating that the patch has passed via
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| /qemu/docs/ |
| H A D | memory-hotplug.txt | 4 This document explains how to use the memory hotplug feature in QEMU,
13 hotpluggable memory slots to create and what is the maximum amount of
14 memory the guest can grow. This is done at startup time by means of
15 the -m command-line option, which has the following format:
21 - "megs" is the startup RAM. It is the RAM the guest will boot with
22 - "slots" is the number of hotpluggable memory slots
23 - "maxmem" is the maximum RAM size the guest can have
25 For example, the following command-line:
30 The hotpluggable memory slots are empty when the guest is booted, so all
31 memory the guest will see after boot is 1GB. The maximum memory the
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| /qemu/include/hw/cpu/ |
| H A D | cluster.h | 7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version 2
9 * of the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * You should have received a copy of the GNU General Public License
29 * A cluster is a group of CPUs which are all identical and have the same view
30 * of the rest of the system. It is mainly an internal QEMU representation and
31 * does not necessarily match with the notion of clusters on the real hardware.
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| /qemu/include/io/ |
| H A D | channel-util.h | 7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * You should have received a copy of the GNU Lesser General Public
34 * @fd: the file descriptor
37 * Create a channel for performing I/O on the file
38 * descriptor @fd. The particular subclass of QIOChannel
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| /qemu/tests/qemu-iotests/ |
| H A D | 121 | 9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation; either version 2 of the License, or
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # You should have received a copy of the GNU General Public License
28 status=1 # failure is the default!
54 # Preallocation speeds up the write operation, but preallocating everything will
55 # destroy the purpose of the write; so preallocate one KB less than what would
58 # ...and make the image the desired size afterwards.
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| H A D | 305 | 4 # Test the handling of errors in write requests with multiple allocations
10 # it under the terms of the GNU General Public License as published by
11 # the Free Software Foundation; either version 2 of the License, or
14 # This program is distributed in the hope that it will be useful,
15 # but WITHOUT ANY WARRANTY; without even the implied warranty of
16 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # You should have received a copy of the GNU General Public License
29 status=1 # failure is the default!
46 echo '### Create the image'
49 # The reference counts of the clusters for the first 123k of this
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| /qemu/qga/ |
| H A D | qapi-schema.json | 5 # This manual describes the commands supported by the QEMU Guest
8 # For locating a particular item, please see the `qapi-qga-index`.
10 # The following notation is used in examples:
20 # Please refer to the
22 # for the general format of commands, responses, and events.
53 # sentinel byte (0xFF) the client can check scan for.
55 # This is used by clients talking to the guest agent over the wire to
56 # ensure the stream is in sync and doesn't contain stale data from
62 # ignored until the response containing the unique integer value the
63 # client passed in is returned. Receival of the 0xFF sentinel byte
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| /qemu/common-user/host/x86_64/ |
| H A D | safe-syscall.inc.S | 3 * to handle signals occurring at the same time as system calls.
8 * This work is licensed under the terms of the GNU GPL, version 2 or later.
9 * See the COPYING file in the top-level directory.
17 /* This is the entry point for making a system call. The calling
18 * convention here is that of a C varargs function with the
19 * first argument an 'int *' to the signal_pending flag, the
20 * second one the system call number (as a 'long'), and all further
25 /* This saves a frame pointer and aligns the stack for the syscall.
26 * (It's unclear if the syscall ABI has the same stack alignment
27 * requirements as the userspace function call ABI, but better safe than
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| /qemu/tests/qtest/ |
| H A D | qos-test.c | 7 * modify it under the terms of the GNU Lesser General Public
8 * License version 2.1 as published by the Free Software Foundation.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * You should have received a copy of the GNU Lesser General Public
41 * and then executes the QMP protocol asking for the list of devices
44 * for each of these items, it looks up the corresponding qgraph node,
45 * setting it as available. The list currently returns all devices that
94 /* compares the current command line with the in restart_qemu_or_continue()
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| /qemu/include/hw/xen/interface/ |
| H A D | grant_table.h | 20 * between domains. This shared memory interface underpins the split
24 * is shared with Xen; it allows the domain to tell Xen what kind of
25 * permissions other domains have on its pages. Entries in the grant
27 * integer, which indexes into the grant table. It acts as a
28 * capability which the grantee can use to perform operations on the
33 * the details of a shared page, removing the need for a domain to
34 * know the real machine address of a page it is sharing. This makes
51 * Introducing a valid entry into the grant table:
68 * This cannot be done directly. Request assistance from the domain controller
69 * which can set a timeout on the use of a grant entry and take necessary
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| /qemu/include/qemu/ |
| H A D | coroutine-core.h | 10 * This work is licensed under the terms of the GNU LGPL, version 2 or later.
11 * See the COPYING.LIB file in the top-level directory.
25 * These functions are re-entrant and may be used outside the BQL.
35 * In the future it would be nice to have the compiler or a static
37 * it possible and in the meantime it serves as documentation.
52 * In the future it would be nice to have the compiler or a static
54 * it possible and in the meantime it serves as documentation.
63 * When the coroutine is entered for the first time, opaque is passed in as an
66 * When this function returns, the coroutine is destroyed automatically and
67 * execution continues in the caller who last entered the coroutine.
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| /qemu/docs/devel/migration/ |
| H A D | mapped-ram.rst | 4 Mapped-ram is a new stream format for the RAM section designed to
5 supplement the existing ``file:`` migration and make it compatible
9 The core of the feature is to ensure that RAM pages are mapped
10 directly to offsets in the resulting migration file. This enables the
11 ``multifd`` threads to write exclusively to those offsets even if the
13 benefit is that the resulting file will have a bounded size, since
15 location in the file, rather than constantly being added to a
16 sequential stream. Having the pages at fixed offsets also allows the
17 usage of O_DIRECT for save/restore of the migration stream as the
24 On both source and destination, enable the ``multifd`` and
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| /qemu/docs/system/s390x/ |
| H A D | 3270.rst | 4 The 3270 is the classic 'green-screen' console of the mainframes (see the
7 The 3270 data stream is not implemented within QEMU; the device only provides
9 and `RFC 1576 <https://tools.ietf.org/html/rfc1576>`__) and leaves the heavy
15 a ``tn3270`` chardev. The guest will see a 3270 channel device. In order
16 to actually be able to use it, attach the ``x3270`` emulator to the chardev.
21 * Make sure that 3270 support is enabled in the guest's Linux kernel. You need
25 * Add a ``tn3270`` chardev and a ``x-terminal3270`` to the QEMU command line::
30 * Start the guest. In the guest, use ``chccwdev -e 0.0.000a`` to enable
31 the device.
33 * On the host, start the ``x3270`` emulator::
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| /qemu/docs/interop/ |
| H A D | nbd.rst | 4 QEMU supports the NBD protocol, and has an internal NBD client (see
6 external NBD server tool (see ``qemu-nbd.c``). The common code is placed
9 The NBD protocol is specified here:
12 The following paragraphs describe some specific properties of NBD
18 QEMU supports the ``base:allocation`` metadata context as defined in the
25 The ``qemu`` namespace currently contains two available metadata context
26 types. The first is related to exposing the contents of a dirty
27 bitmap alongside the associated disk contents. That metadata context
28 is named with the following form::
36 ``NBD_STATE_DIRTY``, set when the extent is "dirty"
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| /qemu/docs/specs/ |
| H A D | riscv-iommu.rst | 6 QEMU implements a RISC-V IOMMU emulation based on the RISC-V IOMMU spec
9 The emulation includes a PCI reference device (riscv-iommu-pci) and a platform
10 bus device (riscv-iommu-sys) that QEMU RISC-V boards can use. The 'virt'
16 This device implements the RISC-V IOMMU emulation as recommended by the section
20 As a reference device it doesn't implement anything outside of the specification,
23 To include the device in the 'virt' machine:
29 This will add a RISC-V IOMMU PCI device in the board following any additional
30 PCI parameters (like PCI bus address). The behavior of the RISC-V IOMMU is
31 defined by the spec but its operation is OS dependent.
33 As of this writing the existing Linux kernel support `linux-v8`_, not yet merged,
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