* Added a kludge to the test environment to be able to support two pages sized
non-contiguous areas. * Added a test that allowed to reproduce #2595. git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26917 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
parent
b74ede5b2c
commit
c3a9fa2150
@ -27,20 +27,28 @@ public:
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TestSuiteContext();
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~TestSuiteContext();
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status_t Init(size_t size);
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status_t Init(size_t size, bool contiguous = true);
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addr_t DataBase() const { return fDataBase; }
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addr_t PhysicalDataBase() const
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{ return fPhysicalDataBase; }
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addr_t SecondPhysicalDataBase() const
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{ return fSecondPhysicalDataBase; }
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bool IsContiguous() const
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{ return fSecondPhysicalDataBase == 0; }
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addr_t CompareBase() const { return fCompareBase; }
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size_t Size() const { return fSize; }
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private:
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void _Uninit();
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area_id fDataArea;
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addr_t fDataBase;
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addr_t fPhysicalDataBase;
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addr_t fSecondPhysicalDataBase;
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area_id fCompareArea;
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addr_t fCompareBase;
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size_t fSize;
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@ -145,6 +153,9 @@ public:
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addr_t DataBase() const { return fContext.DataBase(); }
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addr_t PhysicalDataBase() const { return fContext.PhysicalDataBase(); }
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addr_t SecondPhysicalDataBase() const
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{ return fContext.SecondPhysicalDataBase(); }
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bool IsContiguous() const { return fContext.IsContiguous(); }
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addr_t CompareBase() const { return fContext.CompareBase(); }
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size_t Size() const { return fContext.Size(); }
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@ -218,6 +229,13 @@ TestSuiteContext::TestSuiteContext()
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TestSuiteContext::~TestSuiteContext()
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{
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_Uninit();
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}
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void
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TestSuiteContext::_Uninit()
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{
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delete_area(fDataArea);
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delete_area(fCompareArea);
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@ -225,8 +243,39 @@ TestSuiteContext::~TestSuiteContext()
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status_t
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TestSuiteContext::Init(size_t size)
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TestSuiteContext::Init(size_t size, bool contiguous)
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{
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if (!contiguous) {
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// we can't force this, so we have to try and see
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if (size != B_PAGE_SIZE * 2)
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return B_NOT_SUPPORTED;
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while (true) {
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fDataArea = create_area("data buffer", (void**)&fDataBase,
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B_ANY_KERNEL_ADDRESS, size, B_FULL_LOCK,
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B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA);
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if (fDataArea < B_OK)
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return fDataArea;
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// get memory map to see if we succeeded
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physical_entry entry[2];
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get_memory_map((void*)fDataBase, 2 * B_PAGE_SIZE, entry, 2);
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if (entry[0].size == B_PAGE_SIZE) {
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fPhysicalDataBase = (addr_t)entry[0].address;
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fSecondPhysicalDataBase = (addr_t)entry[1].address;
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dprintf("DMA Test area %p, physical %p, second physical %p\n",
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(void*)fDataBase, entry[0].address, entry[1].address);
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break;
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}
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// try again
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delete_area(fDataArea);
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}
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} else {
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fDataArea = create_area("data buffer", (void**)&fDataBase,
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B_ANY_KERNEL_ADDRESS, size, B_CONTIGUOUS,
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B_KERNEL_READ_AREA | B_KERNEL_WRITE_AREA);
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@ -234,10 +283,14 @@ TestSuiteContext::Init(size_t size)
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return fDataArea;
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physical_entry entry;
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get_memory_map((void*)fDataBase, size, &entry, 1);
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get_memory_map((void*)fDataBase, B_PAGE_SIZE, &entry, 1);
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dprintf("DMA Test area %p, physical %p\n", (void*)fDataBase, entry.address);
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fPhysicalDataBase = (addr_t)entry.address;
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fSecondPhysicalDataBase = 0;
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dprintf("DMA Test area %p, physical %p\n", (void*)fDataBase,
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entry.address);
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}
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fCompareArea = create_area("compare buffer", (void**)&fCompareBase,
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B_ANY_KERNEL_ADDRESS, size, B_FULL_LOCK,
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@ -270,9 +323,15 @@ Test::Test(TestSuite& suite, off_t offset, size_t length, bool isWrite,
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Test&
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Test::AddSource(addr_t address, size_t length)
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{
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if (fSuite.IsContiguous() || (fFlags & B_PHYSICAL_IO_REQUEST) != 0
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|| address < B_PAGE_SIZE) {
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fSourceVecs[fSourceCount].iov_base
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= (void*)(((fFlags & B_PHYSICAL_IO_REQUEST) == 0
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? fSuite.DataBase() : fSuite.PhysicalDataBase()) + address);
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} else {
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fSourceVecs[fSourceCount].iov_base
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= (void*)(fSuite.SecondPhysicalDataBase() + address);
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}
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fSourceVecs[fSourceCount].iov_len = length;
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fSourceCount++;
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@ -310,8 +369,12 @@ Test::AddTarget(addr_t base, size_t length, bool usesBounceBuffer)
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addr_t
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Test::_SourceToVirtual(addr_t source)
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{
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if ((fFlags & B_PHYSICAL_IO_REQUEST) != 0)
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if ((fFlags & B_PHYSICAL_IO_REQUEST) != 0) {
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if (!fSuite.IsContiguous() && source >= B_PAGE_SIZE)
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return source - fSuite.SecondPhysicalDataBase() + fSuite.DataBase();
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return source - fSuite.PhysicalDataBase() + fSuite.DataBase();
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}
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return source;
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}
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@ -320,8 +383,14 @@ Test::_SourceToVirtual(addr_t source)
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addr_t
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Test::_SourceToCompare(addr_t source)
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{
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if ((fFlags & B_PHYSICAL_IO_REQUEST) != 0)
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if ((fFlags & B_PHYSICAL_IO_REQUEST) != 0) {
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if (!fSuite.IsContiguous() && source >= B_PAGE_SIZE) {
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return source - fSuite.SecondPhysicalDataBase()
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+ fSuite.CompareBase();
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}
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return source - fSuite.PhysicalDataBase() + fSuite.CompareBase();
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}
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return source - fSuite.DataBase() + fSuite.CompareBase();
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}
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@ -548,8 +617,12 @@ Test::Run(DMAResource& resource)
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if (target.uses_bounce_buffer) {
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address = (void*)(target.address
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+ (addr_t)buffer->PhysicalBounceBuffer());
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} else
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} else if (fSuite.IsContiguous() || target.address < B_PAGE_SIZE) {
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address = (void*)(target.address + fSuite.PhysicalDataBase());
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} else {
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address = (void*)(target.address - B_PAGE_SIZE
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+ fSuite.SecondPhysicalDataBase());
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}
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if (address != vec.iov_base) {
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_Panic("[%lu] address differs: %p, should be %p", i,
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@ -958,6 +1031,33 @@ run_tests_mean_restrictions(TestSuiteContext& context)
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}
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static void
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run_tests_non_contiguous_no_restrictions(TestSuiteContext& context)
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{
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const dma_restrictions restrictions = {
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0x0, // low
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0x0, // high
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0, // alignment
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0, // boundary
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0, // max transfer
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0, // max segment count
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0, // max segment size
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0 // flags
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};
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TestSuite suite(context, "non contiguous, no restrictions", restrictions,
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512);
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suite.AddTest(0, 8192, false, 0)
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.AddSource(0, 8192)
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.NextResult(0, false, false)
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.AddTarget(0, 4096, false)
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.AddTarget(4096, 4096, false);
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suite.Run();
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}
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static void
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run_test()
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{
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@ -975,6 +1075,14 @@ run_test()
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run_tests_interesting_restrictions(context);
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run_tests_mean_restrictions(context);
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// physical non-contiguous
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status = context.Init(2 * B_PAGE_SIZE, false);
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if (status != B_OK)
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return;
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run_tests_non_contiguous_no_restrictions(context);
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dprintf("All tests passed!\n");
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}
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