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* Introduced type generic_io_vec, which is similar to iovec, but uses types

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that are wide enough for both virtual and physical addresses.
* DMABuffer, IORequest, IOScheduler,... and code using them: Use
  generic_io_vec and generic_{addr,size}_t where necessary.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@36997 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2010-06-02 18:42:20 +00:00
parent 4a57f84396
commit 435c43f591
24 changed files with 515 additions and 471 deletions
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headers/private/kernel/vm/VMCache.h
+8 -6
View File
@@ -129,13 +129,15 @@ public:
virtual status_t Commit(off_t size, int priority);
virtual bool HasPage(off_t offset);
virtual status_t Read(off_t offset, const iovec *vecs,
virtual status_t Read(off_t offset, const generic_io_vec *vecs,
size_t count,uint32 flags,
size_t *_numBytes);
virtual status_t Write(off_t offset, const iovec *vecs, size_t count,
uint32 flags, size_t *_numBytes);
virtual status_t WriteAsync(off_t offset, const iovec* vecs,
size_t count, size_t numBytes, uint32 flags,
generic_size_t *_numBytes);
virtual status_t Write(off_t offset, const generic_io_vec *vecs,
size_t count, uint32 flags,
generic_size_t *_numBytes);
virtual status_t WriteAsync(off_t offset,
const generic_io_vec* vecs, size_t count,
generic_size_t numBytes, uint32 flags,
AsyncIOCallback* callback);
virtual bool CanWritePage(off_t offset);
headers/private/kernel/vm/vm.h
+2 -2
View File
@@ -14,7 +14,7 @@
#include <vm_defs.h>
struct iovec;
struct generic_io_vec;
struct kernel_args;
struct ObjectCache;
struct system_memory_info;
@@ -93,7 +93,7 @@ area_id vm_map_physical_memory(team_id team, const char *name, void **address,
phys_addr_t physicalAddress, bool alreadyWired);
area_id vm_map_physical_memory_vecs(team_id team, const char* name,
void** _address, uint32 addressSpec, addr_t* _size, uint32 protection,
struct iovec* vecs, uint32 vecCount);
struct generic_io_vec* vecs, uint32 vecCount);
area_id vm_map_file(team_id aid, const char *name, void **address,
uint32 addressSpec, addr_t size, uint32 protection, uint32 mapping,
bool unmapAddressRange, int fd, off_t offset);