/*
* Copyright (c) 1998-2004 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the
- * License may not be used to create, or enable the creation or
- * redistribution of, unlawful or unlicensed copies of an Apple operating
- * system, or to circumvent, violate, or enable the circumvention or
- * violation of, any terms of an Apple operating system software license
- * agreement.
- *
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- *
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <IOKit/IOLib.h>
#include <IOKit/IOMapper.h>
+#include <IOKit/IODMACommand.h>
#include <libkern/c++/OSData.h>
-
-#include "IOCopyMapper.h"
+#include <libkern/OSDebug.h>
__BEGIN_DECLS
extern ppnum_t pmap_find_phys(pmap_t pmap, addr64_t va);
OSDefineMetaClassAndAbstractStructors(IOMapper, IOService);
OSMetaClassDefineReservedUsed(IOMapper, 0);
-OSMetaClassDefineReservedUnused(IOMapper, 1);
-OSMetaClassDefineReservedUnused(IOMapper, 2);
-OSMetaClassDefineReservedUnused(IOMapper, 3);
+OSMetaClassDefineReservedUsed(IOMapper, 1);
+OSMetaClassDefineReservedUsed(IOMapper, 2);
+OSMetaClassDefineReservedUsed(IOMapper, 3);
OSMetaClassDefineReservedUnused(IOMapper, 4);
OSMetaClassDefineReservedUnused(IOMapper, 5);
OSMetaClassDefineReservedUnused(IOMapper, 6);
bool IOMapper::start(IOService *provider)
{
+ OSObject * obj;
if (!super::start(provider))
return false;
sMapperLock.unlock();
}
+ if (provider)
+ {
+ obj = provider->getProperty("iommu-id");
+ if (!obj)
+ obj = provider->getProperty("AAPL,phandle");
+ if (obj)
+ setProperty(gIOMapperIDKey, obj);
+ }
return true;
}
void IOMapper::waitForSystemMapper()
{
sMapperLock.lock();
- while ((vm_address_t) IOMapper::gSystem & kWaitMask)
+ while ((uintptr_t) IOMapper::gSystem & kWaitMask)
+ {
+ OSReportWithBacktrace("waitForSystemMapper");
sMapperLock.sleep(&IOMapper::gSystem);
+ }
sMapperLock.unlock();
}
+IOMapper * IOMapper::copyMapperForDevice(IOService * device)
+{
+ OSObject * obj;
+ IOMapper * mapper;
+ OSDictionary * matching;
+
+ obj = device->copyProperty("iommu-parent");
+ if (!obj)
+ return (NULL);
+
+ if ((mapper = OSDynamicCast(IOMapper, obj)))
+ return (mapper);
+
+ matching = IOService::propertyMatching(gIOMapperIDKey, obj);
+ if (matching)
+ {
+ mapper = OSDynamicCast(IOMapper, IOService::waitForMatchingService(matching));
+ matching->release();
+ }
+ if (mapper)
+ device->setProperty("iommu-parent", mapper);
+ else
+ obj->release();
+
+ return (mapper);
+}
+
+ppnum_t IOMapper::iovmAllocDMACommand(IODMACommand * command, IOItemCount pageCount)
+{
+ return (0);
+}
+
+void IOMapper::iovmFreeDMACommand(IODMACommand * command,
+ ppnum_t addr, IOItemCount pageCount)
+{
+}
+
+ppnum_t IOMapper::iovmMapMemory(
+ OSObject * memory, // dma command or iomd
+ ppnum_t offsetPage,
+ ppnum_t pageCount,
+ uint32_t options,
+ upl_page_info_t * pageList,
+ const IODMAMapSpecification * mapSpecification)
+{
+ return (0);
+}
+
void IOMapper::iovmInsert(ppnum_t addr, IOItemCount offset,
ppnum_t *pageList, IOItemCount pageCount)
{
kern_return_t kr;
vm_address_t address;
- size = round_page_32(size);
- kr = kmem_alloc_contig(kernel_map, &address, size, PAGE_MASK, 0);
+ size = round_page(size);
+ kr = kmem_alloc_contig(kernel_map, &address, size, PAGE_MASK, 0 /*max_pnum*/, 0 /*pnum_mask*/, false);
if (kr)
return 0;
{
vm_address_t address = (vm_address_t) artHandle;
- size = round_page_32(size);
+ size = round_page(size);
kmem_free(kernel_map, address, size); // Just panic if address is 0
}
ppnum_t IOMapperInsertPage(ppnum_t addr, unsigned offset, ppnum_t page)
{
if (IOMapper::gSystem) {
+ if (!addr) panic("!addr");
IOMapper::gSystem->iovmInsert(addr, (IOItemCount) offset, page);
return addr + offset;
}
ml_phys_write_double((vm_offset_t) address, value);
}
-mach_vm_address_t IOMallocPhysical(mach_vm_size_t size, mach_vm_address_t mask)
-{
- mach_vm_address_t address = 0;
- if (gIOCopyMapper)
- {
- address = ptoa_64(gIOCopyMapper->iovmAlloc(atop_64(round_page(size))));
- }
-
- return (address);
-}
-
-void IOFreePhysical(mach_vm_address_t address, mach_vm_size_t size)
-{
- if (gIOCopyMapper)
- {
- gIOCopyMapper->iovmFree(atop_64(address), atop_64(round_page(size)));
- }
-}
-
-
__END_DECLS
projects / apple / xnu.git / blobdiff