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| author | Peter Maydell <peter.maydell@linaro.org> | 2020-10-01 12:23:19 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-10-01 12:23:19 +0100 |
| commit | 37a712a0f969ca2df7f01182409a6c4825cebfb5 (patch) | |
| tree | 6eeb0b7f0bde4c8a0f8e1115b990530c5c62e9fe /include/exec | |
| parent | cbba3dc6ea3fc9aa66e9f9eb41051536e3ad7cd0 (diff) | |
| parent | 37aeb7a28ddbf52dd25dd53ae1b8391bc2287858 (diff) | |
| download | focaccia-qemu-37a712a0f969ca2df7f01182409a6c4825cebfb5.tar.gz focaccia-qemu-37a712a0f969ca2df7f01182409a6c4825cebfb5.zip | |
Merge remote-tracking branch 'remotes/bonzini-gitlab/tags/for-upstream' into staging
* SCSI fix (Dmitry, Li Feng, Li Qiang) * memory API fixes (Eduardo) * removal of deprecated '-numa node', 'cpu-add', '-smp' (Igor) * ACPI fix for VMBus (Jon) * relocatable install (myself) * always remove docker containers (myself) * serial cleanups (Philippe) * vmware cpuid leaf for tsc and apic frequency (Sunil) * KVM_FEATURE_ASYNC_PF_INT support (Vitaly) * i386 XSAVE bugfix (Xiaoyao) * QOM developer documentation in docs/devel (Eduardo) * new checkpatch tests (Dov) * x86_64 syscall fix (Douglas) * interrupt-based APF fix (Vitaly) * always create kvmclock (Vitaly) * fix bios-tables-test (Eduardo) * KVM PV features cleanup (myself) * CAN FD (Pavel) meson: * fixes (Marc-André, Max, Stefan, Alexander, myself) * moved libmpathpersist, cocoa, malloc tests (myself) * support for 0.56 introspected test dependencies (myself) # gpg: Signature made Wed 30 Sep 2020 18:11:45 BST # gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83 # gpg: issuer "pbonzini@redhat.com" # gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full] # gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full] # 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-gitlab/tags/for-upstream: (86 commits) hw/net/can: Correct Kconfig dependencies hw/net/can: Documentation for CTU CAN FD IP open hardware core emulation. hw/net/can: CTU CAN FD IP open hardware core emulation. hw/net/can/ctucafd: Add CTU CAN FD core register definitions. net/can: Add can_dlc2len and can_len2dlc for CAN FD. hw/net/can: sja1000 ignore CAN FD frames net/can: Initial host SocketCan support for CAN FD. target/i386: kvm: do not use kvm_check_extension to find paravirtual capabilities bios-tables-test: Remove kernel-irqchip=off option target/i386: always create kvmclock device target/i386: Fix VM migration when interrupt based APF is enabled helper_syscall x86_64: clear exception_is_int checkpatch: Detect '%#' or '%0#' in printf-style format strings typedefs: Restrict PCMachineState to 'hw/i386/pc.h' hw/xen: Split x86-specific declaration from generic hardware ones stubs: Split accelerator / hardware related stubs sysemu/xen: Add missing 'exec/cpu-common.h' header for ram_addr_t type hw/i386/xen: Rename X86/PC specific function as xen_hvm_init_pc() docs: Move object.h overview doc comment to qom.rst docs: Create docs/devel/qom.rst ... Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/exec')
| -rw-r--r-- | include/exec/memory.h | 64 |
1 files changed, 41 insertions, 23 deletions
diff --git a/include/exec/memory.h b/include/exec/memory.h index 06b85e3a73..dee0985162 100644 --- a/include/exec/memory.h +++ b/include/exec/memory.h @@ -228,8 +228,11 @@ enum IOMMUMemoryRegionAttr { * attributes and the output TLB entry depends on the transaction * attributes, we represent this using IOMMU indexes. Each index * selects a particular translation table that the IOMMU has: + * * @attrs_to_index returns the IOMMU index for a set of transaction attributes + * * @translate takes an input address and an IOMMU index + * * and the mapping returned can only depend on the input address and the * IOMMU index. * @@ -238,10 +241,13 @@ enum IOMMUMemoryRegionAttr { * for secure transactions and one for non-secure transactions. */ struct IOMMUMemoryRegionClass { - /* private */ + /* private: */ MemoryRegionClass parent_class; - /* + /* public: */ + /** + * @translate: + * * Return a TLB entry that contains a given address. * * The IOMMUAccessFlags indicated via @flag are optional and may @@ -262,26 +268,38 @@ struct IOMMUMemoryRegionClass { * information when the IOMMU mapping changes. * * @iommu: the IOMMUMemoryRegion + * * @hwaddr: address to be translated within the memory region - * @flag: requested access permissions + * + * @flag: requested access permission + * * @iommu_idx: IOMMU index for the translation */ IOMMUTLBEntry (*translate)(IOMMUMemoryRegion *iommu, hwaddr addr, IOMMUAccessFlags flag, int iommu_idx); - /* Returns minimum supported page size in bytes. + /** + * @get_min_page_size: + * + * Returns minimum supported page size in bytes. + * * If this method is not provided then the minimum is assumed to * be TARGET_PAGE_SIZE. * * @iommu: the IOMMUMemoryRegion */ uint64_t (*get_min_page_size)(IOMMUMemoryRegion *iommu); - /* Called when IOMMU Notifier flag changes (ie when the set of + /** + * @notify_flag_changed: + * + * Called when IOMMU Notifier flag changes (ie when the set of * events which IOMMU users are requesting notification for changes). * Optional method -- need not be provided if the IOMMU does not * need to know exactly which events must be notified. * * @iommu: the IOMMUMemoryRegion + * * @old_flags: events which previously needed to be notified + * * @new_flags: events which now need to be notified * * Returns 0 on success, or a negative errno; in particular @@ -293,7 +311,10 @@ struct IOMMUMemoryRegionClass { IOMMUNotifierFlag old_flags, IOMMUNotifierFlag new_flags, Error **errp); - /* Called to handle memory_region_iommu_replay(). + /** + * @replay: + * + * Called to handle memory_region_iommu_replay(). * * The default implementation of memory_region_iommu_replay() is to * call the IOMMU translate method for every page in the address space @@ -310,7 +331,10 @@ struct IOMMUMemoryRegionClass { */ void (*replay)(IOMMUMemoryRegion *iommu, IOMMUNotifier *notifier); - /* Get IOMMU misc attributes. This is an optional method that + /** + * @get_attr: + * + * Get IOMMU misc attributes. This is an optional method that * can be used to allow users of the IOMMU to get implementation-specific * information. The IOMMU implements this method to handle calls * by IOMMU users to memory_region_iommu_get_attr() by filling in @@ -319,7 +343,9 @@ struct IOMMUMemoryRegionClass { * memory_region_iommu_get_attr() will always return -EINVAL. * * @iommu: the IOMMUMemoryRegion + * * @attr: attribute being queried + * * @data: memory to fill in with the attribute data * * Returns 0 on success, or a negative errno; in particular @@ -328,7 +354,10 @@ struct IOMMUMemoryRegionClass { int (*get_attr)(IOMMUMemoryRegion *iommu, enum IOMMUMemoryRegionAttr attr, void *data); - /* Return the IOMMU index to use for a given set of transaction attributes. + /** + * @attrs_to_index: + * + * Return the IOMMU index to use for a given set of transaction attributes. * * Optional method: if an IOMMU only supports a single IOMMU index then * the default implementation of memory_region_iommu_attrs_to_index() @@ -341,7 +370,10 @@ struct IOMMUMemoryRegionClass { */ int (*attrs_to_index)(IOMMUMemoryRegion *iommu, MemTxAttrs attrs); - /* Return the number of IOMMU indexes this IOMMU supports. + /** + * @num_indexes: + * + * Return the number of IOMMU indexes this IOMMU supports. * * Optional method: if this method is not provided, then * memory_region_iommu_num_indexes() will return 1, indicating that @@ -372,7 +404,6 @@ struct MemoryRegion { bool nonvolatile; bool rom_device; bool flush_coalesced_mmio; - bool global_locking; uint8_t dirty_log_mask; bool is_iommu; RAMBlock *ram_block; @@ -1707,19 +1738,6 @@ void memory_region_set_flush_coalesced(MemoryRegion *mr); void memory_region_clear_flush_coalesced(MemoryRegion *mr); /** - * memory_region_clear_global_locking: Declares that access processing does - * not depend on the QEMU global lock. - * - * By clearing this property, accesses to the memory region will be processed - * outside of QEMU's global lock (unless the lock is held on when issuing the - * access request). In this case, the device model implementing the access - * handlers is responsible for synchronization of concurrency. - * - * @mr: the memory region to be updated. - */ -void memory_region_clear_global_locking(MemoryRegion *mr); - -/** * memory_region_add_eventfd: Request an eventfd to be triggered when a word * is written to a location. * |