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* Linux header upgrade (Peter)

Browse source 
* firmware.json definition (Laszlo)
 * IPMI migration fix (Corey)
 * QOM improvements (Alexey, Philippe, me)
 * Memory API cleanups (Jay, me, Tristan, Peter)
 * WHPX fixes and improvements (Lucian)
 * Chardev fixes (Marc-André)
 * IOMMU documentation improvements (Peter)
 * Coverity fixes (Peter, Philippe)
 * Include cleanup (Philippe)
 * -clock deprecation (Thomas)
 * Disable -sandbox unless CONFIG_SECCOMP (Yi Min Zhao)
 * Configurability improvements (me)
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Merge remote-tracking branch 'remotes/bonzini/tags/for-upstream' into staging

* Linux header upgrade (Peter)
* firmware.json definition (Laszlo)
* IPMI migration fix (Corey)
* QOM improvements (Alexey, Philippe, me)
* Memory API cleanups (Jay, me, Tristan, Peter)
* WHPX fixes and improvements (Lucian)
* Chardev fixes (Marc-André)
* IOMMU documentation improvements (Peter)
* Coverity fixes (Peter, Philippe)
* Include cleanup (Philippe)
* -clock deprecation (Thomas)
* Disable -sandbox unless CONFIG_SECCOMP (Yi Min Zhao)
* Configurability improvements (me)

# gpg: Signature made Fri 01 Jun 2018 17:42:13 BST
# gpg:                using RSA key BFFBD25F78C7AE83
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>"
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>"
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4  E2F7 7E15 100C CD36 69B1
#      Subkey fingerprint: F133 3857 4B66 2389 866C  7682 BFFB D25F 78C7 AE83

* remotes/bonzini/tags/for-upstream: (56 commits)
  hw: make virtio devices configurable via default-configs/
  hw: allow compiling out SCSI
  memory: Make operations using MemoryRegionIoeventfd struct pass by pointer.
  char: Remove unwanted crlf conversion
  qdev: Remove DeviceClass::init() and ::exit()
  qdev: Simplify the SysBusDeviceClass::init path
  hw/i2c: Use DeviceClass::realize instead of I2CSlaveClass::init
  hw/i2c/smbus: Use DeviceClass::realize instead of SMBusDeviceClass::init
  target/i386/kvm.c: Remove compatibility shim for KVM_HINTS_REALTIME
  Update Linux headers to 4.17-rc6
  target/i386/kvm.c: Handle renaming of KVM_HINTS_DEDICATED
  scripts/update-linux-headers: Handle kernel license no longer being one file
  scripts/update-linux-headers: Handle __aligned_u64
  virtio-gpu-3d: Define VIRTIO_GPU_CAPSET_VIRGL2 elsewhere
  gdbstub: Prevent fd leakage
  docs/interop: add "firmware.json"
  ipmi: Use proper struct reference for KCS vmstate
  vmstate: Add a VSTRUCT type
  tcg: remove softfloat from --disable-tcg builds
  qemu-options: Mark the non-functional -clock option as deprecated
  ...

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2018-06-01 18:24:16 +01:00
commit afd76ffba9
215 changed files with 1713 additions and 901 deletions
Download patch file Download diff file Expand all files Collapse all files

45
include/migration/vmstate.h
View file

@ -143,6 +143,11 @@ enum VMStateFlags {
* to determine the number of entries in the array. Only valid in
* combination with one of VMS_VARRAY*. */
VMS_MULTIPLY_ELEMENTS = 0x4000,
/* A structure field that is like VMS_STRUCT, but uses
* VMStateField.struct_version_id to tell which version of the
* structure we are referencing to use. */
VMS_VSTRUCT = 0x8000,
};
typedef enum {
@ -167,6 +172,7 @@ struct VMStateField {
enum VMStateFlags flags;
const VMStateDescription *vmsd;
int version_id;
int struct_version_id;
bool (*field_exists)(void *opaque, int version_id);
};
@ -248,6 +254,25 @@ extern const VMStateInfo vmstate_info_qtailq;
vmstate_offset_array(_state, _field, uint8_t, \
sizeof(typeof_field(_state, _field)))
/* In the macros below, if there is a _version, that means the macro's
* field will be processed only if the version being received is >=
* the _version specified. In general, if you add a new field, you
* would increment the structure's version and put that version
* number into the new field so it would only be processed with the
* new version.
*
* In particular, for VMSTATE_STRUCT() and friends the _version does
* *NOT* pick the version of the sub-structure. It works just as
* specified above. The version of the top-level structure received
* is passed down to all sub-structures. This means that the
* sub-structures must have version that are compatible with all the
* structures that use them.
*
* If you want to specify the version of the sub-structure, use
* VMSTATE_VSTRUCT(), which allows the specific sub-structure version
* to be directly specified.
*/
#define VMSTATE_SINGLE_TEST(_field, _state, _test, _version, _info, _type) { \
.name = (stringify(_field)), \
.version_id = (_version), \
@ -395,6 +420,17 @@ extern const VMStateInfo vmstate_info_qtailq;
.offset = offsetof(_state, _field), \
}
#define VMSTATE_VSTRUCT_TEST(_field, _state, _test, _version, _vmsd, _type, _struct_version) { \
.name = (stringify(_field)), \
.version_id = (_version), \
.struct_version_id = (_struct_version), \
.field_exists = (_test), \
.vmsd = &(_vmsd), \
.size = sizeof(_type), \
.flags = VMS_VSTRUCT, \
.offset = vmstate_offset_value(_state, _field, _type), \
}
#define VMSTATE_STRUCT_TEST(_field, _state, _test, _version, _vmsd, _type) { \
.name = (stringify(_field)), \
.version_id = (_version), \
@ -712,6 +748,13 @@ extern const VMStateInfo vmstate_info_qtailq;
#define VMSTATE_SINGLE(_field, _state, _version, _info, _type) \
VMSTATE_SINGLE_TEST(_field, _state, NULL, _version, _info, _type)
#define VMSTATE_VSTRUCT(_field, _state, _vmsd, _type, _struct_version)\
VMSTATE_VSTRUCT_TEST(_field, _state, NULL, 0, _vmsd, _type, _struct_version)
#define VMSTATE_VSTRUCT_V(_field, _state, _version, _vmsd, _type, _struct_version) \
VMSTATE_VSTRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type, \
_struct_version)
#define VMSTATE_STRUCT(_field, _state, _version, _vmsd, _type) \
VMSTATE_STRUCT_TEST(_field, _state, NULL, _version, _vmsd, _type)
@ -1003,6 +1046,8 @@ int vmstate_load_state(QEMUFile *f, const VMStateDescription *vmsd,
void *opaque, int version_id);
int vmstate_save_state(QEMUFile *f, const VMStateDescription *vmsd,
void *opaque, QJSON *vmdesc);
int vmstate_save_state_v(QEMUFile *f, const VMStateDescription *vmsd,
void *opaque, QJSON *vmdesc, int version_id);
bool vmstate_save_needed(const VMStateDescription *vmsd, void *opaque);