| /darwin-on-arm/xnu/iokit/IOKit/ |
| H A D | IOMemoryCursor.h | 42 specific memory cursors must inherit from, but a memory cursor can be created without a specific format subclass by just providing a segment function to the initializers. This class does the difficult stuff of dividing a memory descriptor into a physical scatter/gather list appropriate for the target hardware.
136 @abstract Generates a physical scatter/gather list given a memory descriptor.
137 @discussion Generates a list of physical segments from the given memory descriptor, relative to the current position of the descriptor.
138 @param descriptor IOMemoryDescriptor that describes the data associated with an I/O request.
139 @param fromPosition Starting location of the I/O within a memory descriptor.
144 @result If the descriptor is exhausted of memory, a zero is returned, otherwise the number of segments that were filled in is returned.
147 IOMemoryDescriptor *descriptor,
209 @abstract Generates a CPU natural physical scatter/gather list given a memory descriptor.
210 @discussion Generates a list of physical segments from the given memory descriptor, relativ
219 getPhysicalSegments(IOMemoryDescriptor *descriptor, IOByteCount fromPosition, PhysicalSegment *segments, UInt32 maxSegments, UInt32 inMaxTransferSize = 0, IOByteCount *transferSize = 0) argument
295 getPhysicalSegments(IOMemoryDescriptor * descriptor, IOByteCount fromPosition, PhysicalSegment * segments, UInt32 maxSegments, UInt32 inMaxTransferSize = 0, IOByteCount * transferSize = 0) argument
369 getPhysicalSegments(IOMemoryDescriptor * descriptor, IOByteCount fromPosition, PhysicalSegment * segments, UInt32 maxSegments, UInt32 inMaxTransferSize = 0, IOByteCount * transferSize = 0) argument
[all...] |
| H A D | IOInterleavedMemoryDescriptor.h | 59 @param direction An I/O direction to be associated with the descriptor, which may affect the operation of the prepare and complete methods on some architectures.
69 @param direction An I/O direction to be associated with the descriptor, which may affect the operation of the prepare and complete methods on some architectures.
78 @param direction An I/O direction to be associated with the descriptor, which may affect the operation of the prepare and complete methods on some architectures. */
85 @param descriptor An IOMemoryDescriptor to be added to the IOInterleavedMemoryDescriptor. Its direction must be compatible with that of the IOInterleavedMemoryDescriptor.
90 virtual bool setMemoryDescriptor( IOMemoryDescriptor * descriptor,
95 @abstract Break a memory descriptor into its physically contiguous segments.
108 @param forDirection The direction of the I/O to be performed, or kIODirectionNone for the direction specified by the memory descriptor.
116 @param forDirection The direction of the I/O just completed, or kIODirectionNone for the direction specified by the memory descriptor.
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| /darwin-on-arm/xnu/bsd/netat/ |
| H A D | adsp_Control.c | 197 sp->f.descriptor = ADSP_CONTROL_BIT | ADSP_CTL_OREQ;
201 sp->f.descriptor = ADSP_CONTROL_BIT | ADSP_CTL_OACK;
205 sp->f.descriptor = ADSP_CONTROL_BIT | ADSP_CTL_OREQACK;
210 sp->f.descriptor = ADSP_CONTROL_BIT | ADSP_CTL_ODENY;
234 sp->f.descriptor = ADSP_CONTROL_BIT | ADSP_CTL_CLOSE;
237 sp->f.descriptor =
241 sp->f.descriptor = ADSP_CONTROL_BIT | ADSP_CTL_FRESET;
246 sp->f.descriptor = ADSP_CONTROL_BIT | ADSP_CTL_FRESET_ACK;
250 sp->f.descriptor = ADSP_CONTROL_BIT | ADSP_CTL_RETRANSMIT;
268 sp->f.descriptor
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| H A D | adsp_Packet.c | 391 byte descriptor; member in struct:__anon317
575 adspp->descriptor = ADSP_CONTROL_BIT | ADSP_CTL_ODENY;
587 m.descriptor = f->descriptor;
590 m.idx = ((f->descriptor & ADSP_CONTROL_MASK) - 1) * 4;
603 if ((f->descriptor & ADSP_CONTROL_MASK) != (byte)ADSP_CTL_OREQ)
757 if (f->descriptor & ADSP_ATTENTION_BIT) { /* ATTN packet */
764 else if (f->descriptor & ADSP_CONTROL_BIT) { /* Control packet */
765 switch (f->descriptor & ADSP_CONTROL_MASK) {
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| H A D | adsp_CLDeny.c | 88 adspp->descriptor = ADSP_CONTROL_BIT | ADSP_CTL_ODENY;
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| H A D | adsp_RxData.c | 124 if (f->descriptor & ADSP_ACK_REQ_BIT) { /* He wants an Ack */
285 eom = (f->descriptor & ADSP_EOM_BIT) ? 1 : 0;
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| H A D | adsp_RxAttn.c | 147 if ((f->descriptor ==
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| H A D | adsp.h | 614 u_char descriptor; /* Bit-Mapped */ member in struct:__anon314
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| /darwin-on-arm/xnu/iokit/Kernel/ |
| H A D | IOInterleavedMemoryDescriptor.cpp | 42 // a single memory descriptor.
65 // a single memory descriptor.
127 IOMemoryDescriptor * descriptor,
134 if ( (offset + length) > descriptor->getLength() )
137 // if ( descriptor->getDirection() != getDirection() )
140 descriptor->retain();
141 _descriptors[_descriptorCount] = descriptor;
126 setMemoryDescriptor( IOMemoryDescriptor * descriptor, IOByteCount offset, IOByteCount length ) argument
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| H A D | IODataQueue.cpp | 234 IOMemoryDescriptor *descriptor = 0; local
237 descriptor = IOMemoryDescriptor::withAddress(dataQueue, dataQueue->queueSize + DATA_QUEUE_MEMORY_HEADER_SIZE, kIODirectionOutIn);
240 return descriptor;
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| H A D | IOSharedDataQueue.cpp | 107 IOMemoryDescriptor *descriptor = 0; local
110 descriptor = IOMemoryDescriptor::withAddress(dataQueue, dataQueue->queueSize + DATA_QUEUE_MEMORY_HEADER_SIZE + DATA_QUEUE_MEMORY_APPENDIX_SIZE, kIODirectionOutIn);
113 return descriptor;
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| /darwin-on-arm/xnu/tools/tests/libMicro/apple/ |
| H A D | lb_mmtest.c | 129 mach_msg_ool_descriptor_t descriptor; member in struct:__anon1353
189 (vm_address_t)complex_request->descriptor.address,
190 complex_request->descriptor.size);
264 complexmsg->descriptor.address = ts->ints;
265 complexmsg->descriptor.size = ts->num_ints * sizeof(u_int32_t);
266 complexmsg->descriptor.deallocate = FALSE;
267 complexmsg->descriptor.copy = MACH_MSG_VIRTUAL_COPY;
268 complexmsg->descriptor.type = MACH_MSG_OOL_DESCRIPTOR;
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| /darwin-on-arm/xnu/tools/tests/MPMMTest/ |
| H A D | MPMMtest.c | 39 mach_msg_ool_descriptor_t descriptor; member in struct:__anon1333
396 (vm_address_t)((ipc_complex_message *)args.req_msg)->descriptor.address,
397 ((ipc_complex_message *)args.req_msg)->descriptor.size);
560 ((ipc_complex_message *)req)->descriptor.address = ints;
561 ((ipc_complex_message *)req)->descriptor.size =
563 ((ipc_complex_message *)req)->descriptor.deallocate = FALSE;
564 ((ipc_complex_message *)req)->descriptor.copy = MACH_MSG_VIRTUAL_COPY;
565 ((ipc_complex_message *)req)->descriptor.type = MACH_MSG_OOL_DESCRIPTOR;
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| H A D | KQMPMMtest.c | 41 mach_msg_ool_descriptor_t descriptor; member in struct:__anon1328
448 (vm_address_t)((ipc_complex_message *)args.req_msg)->descriptor.address,
449 ((ipc_complex_message *)args.req_msg)->descriptor.size);
613 ((ipc_complex_message *)req)->descriptor.address = ints;
614 ((ipc_complex_message *)req)->descriptor.size =
616 ((ipc_complex_message *)req)->descriptor.deallocate = FALSE;
617 ((ipc_complex_message *)req)->descriptor.copy = MACH_MSG_VIRTUAL_COPY;
618 ((ipc_complex_message *)req)->descriptor.type = MACH_MSG_OOL_DESCRIPTOR;
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