diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/block.h | 13 | ||||
| -rw-r--r-- | include/block/block_int.h | 14 | ||||
| -rw-r--r-- | include/hw/boards.h | 2 | ||||
| -rw-r--r-- | include/hw/i386/pc.h | 4 | ||||
| -rw-r--r-- | include/hw/mem/nvdimm.h | 10 | ||||
| -rw-r--r-- | include/qemu/osdep.h | 13 |
6 files changed, 45 insertions, 11 deletions
diff --git a/include/block/block.h b/include/block/block.h index 6a758a76f8..e452988b66 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -187,6 +187,9 @@ typedef struct BDRVReopenState { BlockDriverState *bs; int flags; BlockdevDetectZeroesOptions detect_zeroes; + bool backing_missing; + bool replace_backing_bs; /* new_backing_bs is ignored if this is false */ + BlockDriverState *new_backing_bs; /* If NULL then detach the current bs */ uint64_t perm, shared_perm; QDict *options; QDict *explicit_options; @@ -299,8 +302,9 @@ BlockDriverState *bdrv_open(const char *filename, const char *reference, BlockDriverState *bdrv_new_open_driver(BlockDriver *drv, const char *node_name, int flags, Error **errp); BlockReopenQueue *bdrv_reopen_queue(BlockReopenQueue *bs_queue, - BlockDriverState *bs, QDict *options); -int bdrv_reopen_multiple(AioContext *ctx, BlockReopenQueue *bs_queue, Error **errp); + BlockDriverState *bs, QDict *options, + bool keep_old_opts); +int bdrv_reopen_multiple(BlockReopenQueue *bs_queue, Error **errp); int bdrv_reopen_set_read_only(BlockDriverState *bs, bool read_only, Error **errp); int bdrv_reopen_prepare(BDRVReopenState *reopen_state, @@ -353,6 +357,11 @@ int bdrv_drop_intermediate(BlockDriverState *top, BlockDriverState *base, BlockDriverState *bdrv_find_overlay(BlockDriverState *active, BlockDriverState *bs); BlockDriverState *bdrv_find_base(BlockDriverState *bs); +bool bdrv_is_backing_chain_frozen(BlockDriverState *bs, BlockDriverState *base, + Error **errp); +int bdrv_freeze_backing_chain(BlockDriverState *bs, BlockDriverState *base, + Error **errp); +void bdrv_unfreeze_backing_chain(BlockDriverState *bs, BlockDriverState *base); typedef struct BdrvCheckResult { diff --git a/include/block/block_int.h b/include/block/block_int.h index a23cabaddd..01e855a066 100644 --- a/include/block/block_int.h +++ b/include/block/block_int.h @@ -383,6 +383,14 @@ struct BlockDriver { /* List of options for creating images, terminated by name == NULL */ QemuOptsList *create_opts; + /* + * If this driver supports reopening images this contains a + * NULL-terminated list of the runtime options that can be + * modified. If an option in this list is unspecified during + * reopen then it _must_ be reset to its default value or return + * an error. + */ + const char *const *mutable_opts; /* * Returns 0 for completed check, -errno for internal errors. @@ -711,6 +719,12 @@ struct BdrvChild { uint64_t backup_perm; uint64_t backup_shared_perm; + /* + * This link is frozen: the child can neither be replaced nor + * detached from the parent. + */ + bool frozen; + QLIST_ENTRY(BdrvChild) next; QLIST_ENTRY(BdrvChild) next_parent; }; diff --git a/include/hw/boards.h b/include/hw/boards.h index 9690c71a6d..e231860666 100644 --- a/include/hw/boards.h +++ b/include/hw/boards.h @@ -210,6 +210,7 @@ struct MachineClass { int nb_nodes, ram_addr_t size); bool ignore_boot_device_suffixes; bool smbus_no_migration_support; + bool nvdimm_supported; HotplugHandler *(*get_hotplug_handler)(MachineState *machine, DeviceState *dev); @@ -272,6 +273,7 @@ struct MachineState { const char *cpu_type; AccelState *accelerator; CPUArchIdList *possible_cpus; + struct NVDIMMState *nvdimms_state; }; #define DEFINE_MACHINE(namestr, machine_initfn) \ diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h index 276ff15d4d..ca65ef18af 100644 --- a/include/hw/i386/pc.h +++ b/include/hw/i386/pc.h @@ -47,8 +47,6 @@ struct PCMachineState { OnOffAuto vmport; OnOffAuto smm; - AcpiNVDIMMState acpi_nvdimm_state; - bool acpi_build_enabled; bool smbus_enabled; bool sata_enabled; @@ -76,8 +74,6 @@ struct PCMachineState { #define PC_MACHINE_MAX_RAM_BELOW_4G "max-ram-below-4g" #define PC_MACHINE_VMPORT "vmport" #define PC_MACHINE_SMM "smm" -#define PC_MACHINE_NVDIMM "nvdimm" -#define PC_MACHINE_NVDIMM_PERSIST "nvdimm-persistence" #define PC_MACHINE_SMBUS "smbus" #define PC_MACHINE_SATA "sata" #define PC_MACHINE_PIT "pit" diff --git a/include/hw/mem/nvdimm.h b/include/hw/mem/nvdimm.h index c5c9b3c7f8..523a9b3d4a 100644 --- a/include/hw/mem/nvdimm.h +++ b/include/hw/mem/nvdimm.h @@ -123,7 +123,7 @@ struct NvdimmFitBuffer { }; typedef struct NvdimmFitBuffer NvdimmFitBuffer; -struct AcpiNVDIMMState { +struct NVDIMMState { /* detect if NVDIMM support is enabled. */ bool is_enabled; @@ -141,13 +141,13 @@ struct AcpiNVDIMMState { int32_t persistence; char *persistence_string; }; -typedef struct AcpiNVDIMMState AcpiNVDIMMState; +typedef struct NVDIMMState NVDIMMState; -void nvdimm_init_acpi_state(AcpiNVDIMMState *state, MemoryRegion *io, +void nvdimm_init_acpi_state(NVDIMMState *state, MemoryRegion *io, FWCfgState *fw_cfg, Object *owner); void nvdimm_build_acpi(GArray *table_offsets, GArray *table_data, - BIOSLinker *linker, AcpiNVDIMMState *state, + BIOSLinker *linker, NVDIMMState *state, uint32_t ram_slots); -void nvdimm_plug(AcpiNVDIMMState *state); +void nvdimm_plug(NVDIMMState *state); void nvdimm_acpi_plug_cb(HotplugHandler *hotplug_dev, DeviceState *dev); #endif diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h index 840af09cb0..303d315c5d 100644 --- a/include/qemu/osdep.h +++ b/include/qemu/osdep.h @@ -571,6 +571,19 @@ void os_mem_prealloc(int fd, char *area, size_t sz, int smp_cpus, Error **errp); /** + * qemu_get_pmem_size: + * @filename: path to a pmem file + * @errp: pointer to a NULL-initialized error object + * + * Determine the size of a persistent memory file. Besides supporting files on + * DAX file systems, this function also supports Linux devdax character + * devices. + * + * Returns: the size or 0 on failure + */ +uint64_t qemu_get_pmem_size(const char *filename, Error **errp); + +/** * qemu_get_pid_name: * @pid: pid of a process * |