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[Qemu-devel] [PATCH] memory: update comments and fix some typos


From: Jay Zhou
Subject: [Qemu-devel] [PATCH] memory: update comments and fix some typos
Date: Thu, 4 Jan 2018 13:29:48 +0800

Signed-off-by: Jay Zhou <address@hidden>
---
 include/exec/memory.h | 27 +++++++++++++++------------
 1 file changed, 15 insertions(+), 12 deletions(-)

diff --git a/include/exec/memory.h b/include/exec/memory.h
index a4cabdf..6e5684d 100644
--- a/include/exec/memory.h
+++ b/include/exec/memory.h
@@ -324,7 +324,7 @@ FlatView *address_space_to_flatview(AddressSpace *as);
  * MemoryRegionSection: describes a fragment of a #MemoryRegion
  *
  * @mr: the region, or %NULL if empty
- * @address_space: the address space the region is mapped in
+ * @fv: the flat view of the address space the region is mapped in
  * @offset_within_region: the beginning of the section, relative to @mr's start
  * @size: the size of the section; will not exceed @mr's boundaries
  * @offset_within_address_space: the address of the first byte of the section
@@ -607,6 +607,7 @@ void memory_region_init_rom_nomigrate(MemoryRegion *mr,
  * @mr: the #MemoryRegion to be initialized.
  * @owner: the object that tracks the region's reference count
  * @ops: callbacks for write access handling (must not be NULL).
+ * @opaque: passed to the read and write callbacks of the @ops structure.
  * @name: Region name, becomes part of RAMBlock name used in migration stream
  *        must be unique within any device
  * @size: size of the region.
@@ -650,11 +651,10 @@ static inline void 
memory_region_init_reservation(MemoryRegion *mr,
  * An IOMMU region translates addresses and forwards accesses to a target
  * memory region.
  *
- * @typename: QOM class name
  * @_iommu_mr: the #IOMMUMemoryRegion to be initialized
  * @instance_size: the IOMMUMemoryRegion subclass instance size
+ * @mrtypename: the type name of the #IOMMUMemoryRegion
  * @owner: the object that tracks the region's reference count
- * @ops: a function that translates addresses into the @target region
  * @name: used for debugging; not visible to the user or ABI
  * @size: size of the region.
  */
@@ -824,8 +824,8 @@ static inline IOMMUMemoryRegion 
*memory_region_get_iommu(MemoryRegion *mr)
  * memory_region_get_iommu_class_nocheck: returns iommu memory region class
  *   if an iommu or NULL if not
  *
- * Returns pointer to IOMMUMemoryRegioniClass if a memory region is an iommu,
- * otherwise NULL. This is fast path avoinding QOM checking, use with caution.
+ * Returns pointer to IOMMUMemoryRegionClass if a memory region is an iommu,
+ * otherwise NULL. This is fast path avoiding QOM checking, use with caution.
  *
  * @mr: the memory region being queried
  */
@@ -990,7 +990,8 @@ int memory_region_get_fd(MemoryRegion *mr);
  * protecting the pointer, such as a reference to the region that includes
  * the incoming ram_addr_t.
  *
- * @mr: the memory region being queried.
+ * @ptr: the host pointer to be converted
+ * @offset: the offset within memory region
  */
 MemoryRegion *memory_region_from_host(void *ptr, ram_addr_t *offset);
 
@@ -1267,7 +1268,7 @@ void memory_region_clear_global_locking(MemoryRegion *mr);
  * @size: the size of the access to trigger the eventfd
  * @match_data: whether to match against @data, instead of just @addr
  * @data: the data to match against the guest write
- * @fd: the eventfd to be triggered when @addr, @size, and @data all match.
+ * @e: event notifier to be triggered when @addr, @size, and @data all match.
  **/
 void memory_region_add_eventfd(MemoryRegion *mr,
                                hwaddr addr,
@@ -1287,7 +1288,7 @@ void memory_region_add_eventfd(MemoryRegion *mr,
  * @size: the size of the access to trigger the eventfd
  * @match_data: whether to match against @data, instead of just @addr
  * @data: the data to match against the guest write
- * @fd: the eventfd to be triggered when @addr, @size, and @data all match.
+ * @e: event notifier to be triggered when @addr, @size, and @data all match.
  */
 void memory_region_del_eventfd(MemoryRegion *mr,
                                hwaddr addr,
@@ -1523,7 +1524,7 @@ bool memory_region_request_mmio_ptr(MemoryRegion *mr, 
hwaddr addr);
  * will need to request the pointer again.
  *
  * @mr: #MemoryRegion associated to the pointer.
- * @addr: address within that region
+ * @offset: offset within the memory region
  * @size: size of that area.
  */
 void memory_region_invalidate_mmio_ptr(MemoryRegion *mr, hwaddr offset,
@@ -1592,6 +1593,7 @@ void address_space_destroy(AddressSpace *as);
  * @addr: address within that address space
  * @attrs: memory transaction attributes
  * @buf: buffer with the data transferred
+ * @len: the number of bytes to read or write
  * @is_write: indicates the transfer direction
  */
 MemTxResult address_space_rw(AddressSpace *as, hwaddr addr,
@@ -1609,6 +1611,7 @@ MemTxResult address_space_rw(AddressSpace *as, hwaddr 
addr,
  * @addr: address within that address space
  * @attrs: memory transaction attributes
  * @buf: buffer with the data transferred
+ * @len: the number of bytes to write
  */
 MemTxResult address_space_write(AddressSpace *as, hwaddr addr,
                                 MemTxAttrs attrs,
@@ -1807,7 +1810,7 @@ IOMMUTLBEntry address_space_get_iotlb_entry(AddressSpace 
*as, hwaddr addr,
  * called from an RCU critical section, to avoid that the last reference
  * to the returned region disappears after address_space_translate returns.
  *
- * @as: #AddressSpace to be accessed
+ * @fv: #FlatView to be accessed
  * @addr: address within that address space
  * @xlat: pointer to address within the returned memory region section's
  * #MemoryRegion.
@@ -1865,7 +1868,7 @@ void *address_space_map(AddressSpace *as, hwaddr addr,
  * the amount of memory that was actually read or written by the caller.
  *
  * @as: #AddressSpace used
- * @addr: address within that address space
+ * @buffer: host pointer as returned by address_space_map()
  * @len: buffer length as returned by address_space_map()
  * @access_len: amount of data actually transferred
  * @is_write: indicates the transfer direction
@@ -1902,7 +1905,7 @@ static inline bool memory_access_is_direct(MemoryRegion 
*mr, bool is_write)
  * or failed (eg unassigned memory, device rejected the transaction,
  * IOMMU fault).
  *
- * @as: #AddressSpace to be accessed
+ * @fv: #FlatView to be accessed
  * @addr: address within that address space
  * @attrs: memory transaction attributes
  * @buf: buffer with the data transferred
-- 
1.8.3.1





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