derek.holloway
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72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
/*
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* Copyright 2015-2024 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef AMDP2PTEST_H_
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#define AMDP2PTEST_H_
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#include <linux/ioctl.h>
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#define AMDP2PTEST_IOCTL_MAGIC 'A'
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#define AMDP2PTEST_DEVICE_NAME "amdp2ptest"
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#define AMDP2PTEST_DEVICE_PATH "/dev/amdp2ptest"
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struct AMDRDMA_IOCTL_GET_PAGE_SIZE_PARAM {
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/* Input parameters */
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uint64_t addr;
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uint64_t length;
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/* Output parameters */
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uint64_t page_size;
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};
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struct AMDRDMA_IOCTL_GET_PAGES_PARAM {
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/* Input parameters */
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uint64_t addr;
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uint64_t length;
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uint64_t is_local; /* 1 if this is the pointer to local
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allocation */
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/* Output parameters */
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uint64_t cpu_ptr;
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};
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struct AMDRDMA_IOCTL_PUT_PAGES_PARAM {
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/* Input parameters */
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uint64_t addr;
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uint64_t length;
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};
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#define AMD2P2PTEST_IOCTL_GET_PAGE_SIZE \
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_IOWR(AMDP2PTEST_IOCTL_MAGIC, 1, struct AMDRDMA_IOCTL_GET_PAGE_SIZE_PARAM *)
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#define AMD2P2PTEST_IOCTL_GET_PAGES \
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_IOWR(AMDP2PTEST_IOCTL_MAGIC, 2, struct AMDRDMA_IOCTL_GET_PAGES_PARAM *)
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#define AMD2P2PTEST_IOCTL_PUT_PAGES \
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_IOW(AMDP2PTEST_IOCTL_MAGIC, 3, struct AMDRDMA_IOCTL_PUT_PAGES_PARAM *)
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#endif /* AMDP2PTEST_H */
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