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/qemu/rust/qemu-api/src/
H A Derrno.rs8 //! into an [`io::Result`] and back.
12 /// An `errno` value that can be converted into an [`io::Error`]
18 // into io::Error by hand. This is the same mapping that the
81 io::Error::from_raw_os_error(errno.into()) in from()
86 let error_kind: ErrorKind = value.into(); in from()
87 error_kind.into() in from()
98 value.kind().into() in from()
107 /// A signed type that can be converted into an
118 /// converted into "positive success/negative `errno`" convention.
173 /// Convert an integer value into a [`io::Result`].
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/qemu/docs/
H A Dpcie_pci_bridge.txt16 can be hot-plugged into appropriate root port (requires additional actions,
18 and supports devices hot-plug into the bridge itself
21 Hot-plug of legacy PCI devices into the bridge
89 - 2 PCIE-PCI bridges plugged into 2 different root ports;
90 - e1000 plugged into the first bridge.
92 - PCIE-PCI bridge, plugged into QEMU generic root port;
93 - 2 e1000 cards, one plugged into the cold-plugged PCIE-PCI bridge,
94 another plugged into the hot-plugged bridge.
98 The PCIE-PCI bridge can be hot-plugged only into pcie-root-port that
102 Windows 7 and older versions don't support hot-plug devices into the PCIE-PCI bridge.
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H A Dpcie.txt26 and allows any PCI/PCI Express device to be plugged into any
28 Plugging a PCI device into a PCI Express slot might not always work and
30 Plugging a PCI Express device into a PCI slot will hide the Extended
34 PCI Express devices should be plugged only into PCI Express Root Ports and
67 2.1.1 To plug a device into pcie.0 as a Root Complex Integrated Endpoint use:
86 Prefer grouping PCI Express Root Ports into multi-function devices
92 Plug only PCI Express devices into PCI Express Ports.
114 2.2.1 Plugging a PCI Express device into a PCI Express Root Port:
121 2.2.3 Plugging a PCI Express device into a Switch:
135 Legacy PCI devices can be plugged into pcie.0 as Integrated Endpoints,
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/qemu/target/loongarch/
H A Dtrace-events5 kvm_failed_put_regs_core(const char *msg) "Failed to put core regs into KVM: %s"
7 kvm_failed_put_fpu(const char *msg) "Failed to put fpu into KVM: %s"
9 kvm_failed_put_mpstate(const char *msg) "Failed to put mp_state into KVM: %s"
11 kvm_failed_put_counter(const char *msg) "Failed to put counter into KVM: %s"
13 kvm_failed_put_cpucfg(const char *msg) "Failed to put cpucfg into KVM: %s"
/qemu/docs/devel/
H A Ds390-dasd-ipl.rst15 2. Execute the Read IPL ccw at ``0x00``, thereby reading IPL1 data into ``0x00``.
18 IPL ccw it read the 24-bytes of IPL1 to be read into memory starting at
21 the original READ IPL ccw. The read ccw will read the IPL2 data into memory
34 the real operating system is loaded into memory and we are ready to hand
39 NOTE: The IPL2 channel program might read data into memory
48 The psw that was loaded into memory location ``0x0`` as part of the ipl process
71 1. Place a "Read IPL" ccw into memory location ``0x0`` with chaining bit on.
104 1. Place "Read IPL" ccw into memory location ``0x0``, but turn off chaining bit.
119 Now IPL2 is loaded into memory somewhere, and we know the address.
H A Ddocs.rst23 alternation of C code put into the C output and rST format text
24 put into the documentation. A few special directives are recognised;
32 are put into the documentation verbatim, and discarded from the C output.
53 into QEMU. This should be avoided in new documentation.
65 is included into two separate Sphinx documents, and some
/qemu/include/hw/
H A Dloader.h15 * load_image_size: load an image file into specified buffer
17 * @addr: Buffer to load image into
20 * Load an image file from disk into the specified buffer.
39 * Load a fixed image into memory.
52 * Load a fixed .hex file into memory.
67 * load_image_mr: load an image into a memory region
69 * @mr: Memory Region to load into
71 * Load the specified file into the memory region.
94 * the compressed payload and decompress it into a new buffer. If successful,
141 * have some architecture-specific behaviours that come into effect when
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/qemu/include/qemu/
H A Dfifo8.h79 * @dest: the buffer to write the data into (can be NULL)
83 * The popped data is copied into the @dest buffer.
93 * @dest: the buffer to write the data into (can be NULL)
97 * The peeked data is copied into the @dest buffer.
113 * containing the popped data is returned. This buffer points directly into
138 * Peek into a number of elements from the FIFO up to a maximum of @max.
139 * The buffer containing the data peeked into is returned. This buffer points
140 * directly into the FIFO backing store. Since data is invalidated once any
H A Dcutils.h24 * @buf: buffer to copy string into
28 * Copy @str into @buf, including the trailing NUL, but do not
43 * @buf: buffer to copy string into
48 * Copy @str into @buf (but *not* its trailing NUL!), and then pad the
128 * is stored into @input.
130 * character, then NULL is stored into @input.
284 * @str: GString into which to append
290 * Append @len bytes of @buf as hexadecimal into @str.
313 * Converts the @data_size bytes in @data into hex digit pairs, writing them to
/qemu/rust/qemu-api-macros/src/
H A Dbits.rs43 return Err(MacroError::Message("expected parenthesis".into(), g.span())); in parse_primary()
48 "expected operand, found ')'".into(), in parse_primary()
77 return Err(MacroError::Message("expected operand".into(), p.span())); in parse_primary()
81 "expected operand at end of input".into(), in parse_primary()
90 return Err(MacroError::Message("unexpected literal".into(), tok.span())); in parse_primary()
122 "expected operand at end of input".into(), in parse_binop()
202 "expected expression, do not call this macro directly".into(), in parse()
208 "expected parenthesis, do not call this macro directly".into(), in parse()
H A Dlib.rs106 let expanded = derive_object_or_error(input).unwrap_or_else(Into::into); in derive_object()
152 let expanded = derive_opaque_or_error(input).unwrap_or_else(Into::into); in derive_opaque()
250 let expanded = derive_tryinto_or_error(input).unwrap_or_else(Into::into); in derive_tryinto()
260 let expanded = BitsConstInternal::parse(&mut it).unwrap_or_else(Into::into); in bits_const_internal()
/qemu/docs/interop/
H A Dlive-block-operations.rst16 namely: live copy data from backing files into overlays; shorten long
17 disk image chains by merging data from overlays into backing files; live
79 (1) ``block-stream``: Live copy of data from backing files into overlay
97 (2) ``block-commit``: Live merge of data from overlay files into backing
100 (i.e. merge the current active layer into the base image).
107 committed into a backing file;
239 files into overlay images.
250 (1) Merge everything into the active layer: I.e. copy all contents from
251 the base image, [A], and overlay images, [B] and [C], into [D],
254 into it (where live QEMU writes go to)::
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H A Dqcow2.rst9 Likewise, the virtual disk as seen by the guest is divided into (guest)
26 Offset into the image file at which the backing file name
73 Offset into the image file at which the active L1 table
77 Offset into the image file at which the refcount table
87 Offset into the image file at which the snapshot table
244 zeroed, so that if some existing (or future) additional field will fall into
344 Offset into the image file at which the bitmap directory
359 Byte 0 - 7: Offset into the image file at which the encryption
481 Given an offset into the image file, the refcount of its cluster can be
496 9 - 63: Bits 9-63 of the offset into the image file at which the
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/qemu/rust/hw/char/pl011/src/
H A Ddevice.rs128 // Some C users of this device embed its state struct into their own
226 self.receive_status_error_clear = 0.into(); in write()
241 let new_val: registers::LineControl = value.into(); in write()
258 self.control = value.into(); in write()
307 let _ = self.loopback_tx(value.into()); in write_data_register()
318 // and then reassembled by the RX logics back into bytes and placed in loopback_tx()
319 // into the RX fifo. That is, loopback happens after TX fifo. in loopback_tx()
323 // bytes in TX fifo may still be able to get into the RX fifo in loopback_tx()
328 // deciding which loopback bytes get into the RX fifo, unless in loopback_tx()
394 self.int_enabled = 0.into(); in reset()
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/qemu/tests/qemu-iotests/
H A D1094 # Test writing image headers of other formats into raw images
78 echo "=== Writing a $fmt header into raw ==="
102 echo "=== Copying sample image $sample_img into raw ==="
119 echo "=== Write legitimate MBR into raw ==="
H A D30248 # The use case is writing qcow2 image directly into an ova file, which
54 # 4. Write compressed image data into the tar.
78 # 4. Write compressed image data into the tar.
83 # Use raw format to allow creating qcow2 directly into tar file.
/qemu/hw/acpi/
H A Dvmgenid.c39 /* The GUID is written at a fixed offset into the fw_cfg file in vmgenid_build_acpi()
46 /* Put VMGNEID into a separate SSDT table */ in vmgenid_build_acpi()
99 /* Patch address of GUID fw_cfg blob into the ADDR fw_cfg blob in vmgenid_build_acpi()
110 /* Patch address of GUID fw_cfg blob into the AML so OSPM can retrieve in vmgenid_build_acpi()
112 * the least-signficant 32 get patched into AML. in vmgenid_build_acpi()
154 /* The GUID is written at a fixed offset into the fw_cfg file in vmgenid_update_guest()
/qemu/docs/specs/
H A Dacpi_cpu_hotplug.rst20 to modern CPU hotplug interface, write 0 into it to do switch.
49 - writes to any other register are ignored until valid value is stored into it
178 stores value into OST event register
180 stores value into OST status register, triggers
195 #. Writes into CPU bitmap are ignored.
234 into a valid state and exit.
/qemu/docs/devel/migration/
H A Dpostcopy.rst14 a fault that's translated by QEMU into a request to the source QEMU.
115 'packaging' the device data into a blob that's read in one go.
169 is read into memory, and the main thread recurses into qemu_loadvm_state_main
208 will go into a paused state. It'll need a recovery phase to continue a
213 - When network issue occurs, both QEMU will go into **POSTCOPY_PAUSED**
222 Source QEMU will go into **POSTCOPY_RECOVER_SETUP** state trying to
226 channel, they will go into **POSTCOPY_RECOVER** state, some handshake
/qemu/include/io/
H A Dchannel.h209 * @iov: the array of memory regions to read data into
300 * @iov: the array of memory regions to read data into
330 * @iov: the array of memory regions to read data into
382 * @iov: the array of memory regions to read data into
412 * @buf: the memory region to read data into
417 * receiving of file handles, and only supports reading into
444 * @buf: the memory region to read data into
448 * Reads @buflen bytes into @buf, possibly blocking or (if the
466 * @buf: the memory region to read data into
470 * Reads @buflen bytes into @buf, possibly blocking or (if the
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/qemu/include/hw/nvram/
H A Dfw_cfg.h109 * is only linked, NOT copied, into the data structure of the fw_cfg device.
225 * referenced by the starting pointer is only linked, NOT copied, into the
241 * @callback_opaque: argument to be passed into callback function
247 * referenced by the starting pointer is only linked, NOT copied, into the
276 * In either case, the new item data is only linked, NOT copied, into the
293 * The data generated by the @part object is copied into the data structure of
333 * load_image_to_fw_cfg() - Load an image file into an fw_cfg entry identified
/qemu/docs/sphinx/
H A Dhxtool.py12 # from .hx files, and insert them all into the current document.
101 # later put into a 'section' node.
138 # Put the accumulated rST into the previous node,
163 # fragments into a dummy node so we can return the children.
168 # Put the remaining accumulated rST into the last section, and
/qemu/include/system/
H A Dtpm_backend.h140 * Reset the backend into a well defined state with all previous errors
175 * @s: the backend to call into
185 * @s: the backend to call into
195 * @s: the backend to call into
/qemu/docs/system/
H A Dgeneric-loader.rst10 The 'loader' device allows the user to load multiple images or values into
13 Loading Data into Memory Values
75 The loader device also allows files to be loaded into memory. It can load ELF,
82 A file to be loaded into memory
/qemu/qobject/
H A Dblock-qdict.c79 * Flatten non-empty QDict and QList recursively into @target, in qdict_flatten_qlist()
118 * Flatten non-empty QDict and QList recursively into @target, in qdict_flatten_qdict()
161 /* extract all the src QDict entries starting by start into dst.
204 * qdict_array_split(): This function moves array-like elements of a QDict into
269 * Given a flattened key such as 'foo.0.bar', split it into two parts
279 * can be fed back into the qdict_split_flat_key() key as the input
311 /* Unescape the '..' sequence into '.' */ in qdict_split_flat_key()
390 * and crumples it into a nested structure.
437 /* Step 1: split our totally flat dict into a two level dict */ in qdict_crumple()
478 * into a multi-level dict */ in qdict_crumple()
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