#include <stdbool.h>
#include "qemu-common.h"
#include "cpu-common.h"
-#include "targphys.h"
+#include "hwaddr.h"
#include "qemu-queue.h"
#include "iorange.h"
#include "ioport.h"
struct MemoryRegionIORange {
IORange iorange;
MemoryRegion *mr;
- target_phys_addr_t offset;
+ hwaddr offset;
};
/*
/* Read from the memory region. @addr is relative to @mr; @size is
* in bytes. */
uint64_t (*read)(void *opaque,
- target_phys_addr_t addr,
+ hwaddr addr,
unsigned size);
/* Write to the memory region. @addr is relative to @mr; @size is
* in bytes. */
void (*write)(void *opaque,
- target_phys_addr_t addr,
+ hwaddr addr,
uint64_t data,
unsigned size);
* by the device (and results in machine dependent behaviour such
* as a machine check exception).
*/
- bool (*accepts)(void *opaque, target_phys_addr_t addr,
+ bool (*accepts)(void *opaque, hwaddr addr,
unsigned size, bool is_write);
} valid;
/* Internal implementation constraints: */
void *opaque;
MemoryRegion *parent;
Int128 size;
- target_phys_addr_t addr;
+ hwaddr addr;
void (*destructor)(MemoryRegion *mr);
ram_addr_t ram_addr;
bool subpage;
bool warning_printed; /* For reservations */
bool flush_coalesced_mmio;
MemoryRegion *alias;
- target_phys_addr_t alias_offset;
+ hwaddr alias_offset;
unsigned priority;
bool may_overlap;
QTAILQ_HEAD(subregions, MemoryRegion) subregions;
struct FlatView *current_map;
int ioeventfd_nb;
struct MemoryRegionIoeventfd *ioeventfds;
+ struct AddressSpaceDispatch *dispatch;
QTAILQ_ENTRY(AddressSpace) address_spaces_link;
};
*/
struct MemoryRegionSection {
MemoryRegion *mr;
- MemoryRegion *address_space;
- target_phys_addr_t offset_within_region;
+ AddressSpace *address_space;
+ hwaddr offset_within_region;
uint64_t size;
- target_phys_addr_t offset_within_address_space;
+ hwaddr offset_within_address_space;
bool readonly;
};
bool match_data, uint64_t data, EventNotifier *e);
void (*eventfd_del)(MemoryListener *listener, MemoryRegionSection *section,
bool match_data, uint64_t data, EventNotifier *e);
+ void (*coalesced_mmio_add)(MemoryListener *listener, MemoryRegionSection *section,
+ hwaddr addr, hwaddr len);
+ void (*coalesced_mmio_del)(MemoryListener *listener, MemoryRegionSection *section,
+ hwaddr addr, hwaddr len);
/* Lower = earlier (during add), later (during del) */
unsigned priority;
- MemoryRegion *address_space_filter;
+ AddressSpace *address_space_filter;
QTAILQ_ENTRY(MemoryListener) link;
};
void memory_region_init_alias(MemoryRegion *mr,
const char *name,
MemoryRegion *orig,
- target_phys_addr_t offset,
+ hwaddr offset,
uint64_t size);
/**
* @client: the user of the logging information; %DIRTY_MEMORY_MIGRATION or
* %DIRTY_MEMORY_VGA.
*/
-bool memory_region_get_dirty(MemoryRegion *mr, target_phys_addr_t addr,
- target_phys_addr_t size, unsigned client);
+bool memory_region_get_dirty(MemoryRegion *mr, hwaddr addr,
+ hwaddr size, unsigned client);
/**
* memory_region_set_dirty: Mark a range of bytes as dirty in a memory region.
* @addr: the address (relative to the start of the region) being dirtied.
* @size: size of the range being dirtied.
*/
-void memory_region_set_dirty(MemoryRegion *mr, target_phys_addr_t addr,
- target_phys_addr_t size);
+void memory_region_set_dirty(MemoryRegion *mr, hwaddr addr,
+ hwaddr size);
/**
* memory_region_sync_dirty_bitmap: Synchronize a region's dirty bitmap with
* @client: the user of the logging information; %DIRTY_MEMORY_MIGRATION or
* %DIRTY_MEMORY_VGA.
*/
-void memory_region_reset_dirty(MemoryRegion *mr, target_phys_addr_t addr,
- target_phys_addr_t size, unsigned client);
+void memory_region_reset_dirty(MemoryRegion *mr, hwaddr addr,
+ hwaddr size, unsigned client);
/**
* memory_region_set_readonly: Turn a memory region read-only (or read-write)
* @size: the size of the subrange to be coalesced.
*/
void memory_region_add_coalescing(MemoryRegion *mr,
- target_phys_addr_t offset,
+ hwaddr offset,
uint64_t size);
/**
* @fd: the eventfd to be triggered when @addr, @size, and @data all match.
**/
void memory_region_add_eventfd(MemoryRegion *mr,
- target_phys_addr_t addr,
+ hwaddr addr,
unsigned size,
bool match_data,
uint64_t data,
* @fd: the eventfd to be triggered when @addr, @size, and @data all match.
*/
void memory_region_del_eventfd(MemoryRegion *mr,
- target_phys_addr_t addr,
+ hwaddr addr,
unsigned size,
bool match_data,
uint64_t data,
* @subregion: the subregion to be added.
*/
void memory_region_add_subregion(MemoryRegion *mr,
- target_phys_addr_t offset,
+ hwaddr offset,
MemoryRegion *subregion);
/**
* memory_region_add_subregion_overlap: Add a subregion to a container
* @priority: used for resolving overlaps; highest priority wins.
*/
void memory_region_add_subregion_overlap(MemoryRegion *mr,
- target_phys_addr_t offset,
+ hwaddr offset,
MemoryRegion *subregion,
unsigned priority);
* @mr: the region to be updated
* @addr: new address, relative to parent region
*/
-void memory_region_set_address(MemoryRegion *mr, target_phys_addr_t addr);
+void memory_region_set_address(MemoryRegion *mr, hwaddr addr);
/*
* memory_region_set_alias_offset: dynamically update a memory alias's offset
* @offset: the new offset into the target memory region
*/
void memory_region_set_alias_offset(MemoryRegion *mr,
- target_phys_addr_t offset);
+ hwaddr offset);
/**
* memory_region_find: locate a MemoryRegion in an address space
* @size: size of the area to be searched
*/
MemoryRegionSection memory_region_find(MemoryRegion *address_space,
- target_phys_addr_t addr, uint64_t size);
+ hwaddr addr, uint64_t size);
/**
* memory_region_section_addr: get offset within MemoryRegionSection
* @section: the memory region section being queried
* @addr: address in address space
*/
-static inline target_phys_addr_t
+static inline hwaddr
memory_region_section_addr(MemoryRegionSection *section,
- target_phys_addr_t addr)
+ hwaddr addr)
{
addr -= section->offset_within_address_space;
addr += section->offset_within_region;
* @listener: an object containing the callbacks to be called
* @filter: if non-%NULL, only regions in this address space will be observed
*/
-void memory_listener_register(MemoryListener *listener, MemoryRegion *filter);
+void memory_listener_register(MemoryListener *listener, AddressSpace *filter);
/**
* memory_listener_unregister: undo the effect of memory_listener_register()
*/
void address_space_init(AddressSpace *as, MemoryRegion *root);
+
+/**
+ * address_space_destroy: destroy an address space
+ *
+ * Releases all resources associated with an address space. After an address space
+ * is destroyed, its root memory region (given by address_space_init()) may be destroyed
+ * as well.
+ *
+ * @as: address space to be destroyed
+ */
+void address_space_destroy(AddressSpace *as);
+
+/**
+ * address_space_rw: read from or write to an address space.
+ *
+ * @as: #AddressSpace to be accessed
+ * @addr: address within that address space
+ * @buf: buffer with the data transferred
+ * @is_write: indicates the transfer direction
+ */
+void address_space_rw(AddressSpace *as, hwaddr addr, uint8_t *buf,
+ int len, bool is_write);
+
+/**
+ * address_space_write: write to address space.
+ *
+ * @as: #AddressSpace to be accessed
+ * @addr: address within that address space
+ * @buf: buffer with the data transferred
+ */
+void address_space_write(AddressSpace *as, hwaddr addr,
+ const uint8_t *buf, int len);
+
+/**
+ * address_space_read: read from an address space.
+ *
+ * @as: #AddressSpace to be accessed
+ * @addr: address within that address space
+ * @buf: buffer with the data transferred
+ */
+void address_space_read(AddressSpace *as, hwaddr addr, uint8_t *buf, int len);
+
+/* address_space_map: map a physical memory region into a host virtual address
+ *
+ * May map a subset of the requested range, given by and returned in @plen.
+ * May return %NULL if resources needed to perform the mapping are exhausted.
+ * Use only for reads OR writes - not for read-modify-write operations.
+ * Use cpu_register_map_client() to know when retrying the map operation is
+ * likely to succeed.
+ *
+ * @as: #AddressSpace to be accessed
+ * @addr: address within that address space
+ * @plen: pointer to length of buffer; updated on return
+ * @is_write: indicates the transfer direction
+ */
+void *address_space_map(AddressSpace *as, hwaddr addr,
+ hwaddr *plen, bool is_write);
+
+/* address_space_unmap: Unmaps a memory region previously mapped by address_space_map()
+ *
+ * Will also mark the memory as dirty if @is_write == %true. @access_len gives
+ * the amount of memory that was actually read or written by the caller.
+ *
+ * @as: #AddressSpace used
+ * @addr: address within that address space
+ * @len: buffer length as returned by address_space_map()
+ * @access_len: amount of data actually transferred
+ * @is_write: indicates the transfer direction
+ */
+void address_space_unmap(AddressSpace *as, void *buffer, hwaddr len,
+ int is_write, hwaddr access_len);
+
+
#endif
#endif
projects / qemu.git / blobdiff