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authorMarcelo Tosatti <mtosatti@redhat.com>2012-10-11 05:27:15 -0300
committerMarcelo Tosatti <mtosatti@redhat.com>2012-10-11 05:27:15 -0300
commit4d9367b76f71c6d938cf8201392abe4bfb1136cb (patch)
tree93a31afc3151c19e4906aed6748e842d8431fb02 /memory.h
parent6b414d9fb86527118f3ddb81a1d1a684b3548a9d (diff)
parent8e65440d5f64435c003d32088757f702b86af9b4 (diff)
Merge branch 'upstream-merge'HEADnextmaster
* upstream-merge: (575 commits) ssi: Add slave autoconnect helper MAINTAINERS: Added maintainerships for SSI xilinx_zynq: Added SPI controllers + flashes xilinx_spips: Xilinx Zynq SPI cntrlr device model petalogix-ml605: added SPI controller with n25q128 xilinx_spi: Initial impl. of Xilinx SPI controller m25p80: Initial implementation of SPI flash device hw: Added generic FIFO API. stellaris: Removed SSI mux qdev: allow multiple qdev_init_gpio_in() calls ssi: Added create_slave_no_init() ssi: Implemented CS behaviour ssi: Support for multiple attached devices qemu-barrier: Fix compilation on i386 hosts target-sparc: Optimize conditionals using SUBCC target-sparc: Fall through from not-taken trap target-sparc: Cleanup "global" temporary allocation target-sparc: Use movcond for FMOV*R target-sparc: Use movcond in mulscc target-sparc: Move taddcctv and tsubcctv out of line ... Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'memory.h')
-rw-r--r--memory.h37
1 files changed, 32 insertions, 5 deletions
diff --git a/memory.h b/memory.h
index bd1bbaeab..37ce1517c 100644
--- a/memory.h
+++ b/memory.h
@@ -133,6 +133,7 @@ struct MemoryRegion {
bool enabled;
bool rom_device;
bool warning_printed; /* For reservations */
+ bool flush_coalesced_mmio;
MemoryRegion *alias;
target_phys_addr_t alias_offset;
unsigned priority;
@@ -252,9 +253,9 @@ void memory_region_init_ram(MemoryRegion *mr,
uint64_t size);
/**
- * memory_region_init_ram: Initialize RAM memory region from a user-provided.
- * pointer. Accesses into the region will modify
- * memory directly.
+ * memory_region_init_ram_ptr: Initialize RAM memory region from a
+ * user-provided pointer. Accesses into the
+ * region will modify memory directly.
*
* @mr: the #MemoryRegion to be initialized.
* @name: the name of the region.
@@ -521,6 +522,31 @@ void memory_region_add_coalescing(MemoryRegion *mr,
void memory_region_clear_coalescing(MemoryRegion *mr);
/**
+ * memory_region_set_flush_coalesced: Enforce memory coalescing flush before
+ * accesses.
+ *
+ * Ensure that pending coalesced MMIO request are flushed before the memory
+ * region is accessed. This property is automatically enabled for all regions
+ * passed to memory_region_set_coalescing() and memory_region_add_coalescing().
+ *
+ * @mr: the memory region to be updated.
+ */
+void memory_region_set_flush_coalesced(MemoryRegion *mr);
+
+/**
+ * memory_region_clear_flush_coalesced: Disable memory coalescing flush before
+ * accesses.
+ *
+ * Clear the automatic coalesced MMIO flushing enabled via
+ * memory_region_set_flush_coalesced. Note that this service has no effect on
+ * memory regions that have MMIO coalescing enabled for themselves. For them,
+ * automatic flushing will stop once coalescing is disabled.
+ *
+ * @mr: the memory region to be updated.
+ */
+void memory_region_clear_flush_coalesced(MemoryRegion *mr);
+
+/**
* memory_region_add_eventfd: Request an eventfd to be triggered when a word
* is written to a location.
*
@@ -581,7 +607,8 @@ void memory_region_add_subregion(MemoryRegion *mr,
target_phys_addr_t offset,
MemoryRegion *subregion);
/**
- * memory_region_add_subregion: Add a subregion to a container, with overlap.
+ * memory_region_add_subregion_overlap: Add a subregion to a container
+ * with overlap.
*
* Adds a subregion at @offset. The subregion may overlap with other
* subregions. Conflicts are resolved by having a higher @priority hide a
@@ -743,7 +770,7 @@ void memory_listener_unregister(MemoryListener *listener);
void memory_global_dirty_log_start(void);
/**
- * memory_global_dirty_log_stop: begin dirty logging for all regions
+ * memory_global_dirty_log_stop: end dirty logging for all regions
*/
void memory_global_dirty_log_stop(void);