Felix Kuehling
43ce63b68b
Query the KFD interface version once and store it in a global variable. This makes it more efficient for KFD APIs to query the API version later. Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Change-Id: I267f3465f754e78fb21a7c42c5877cd68eaa9d05
57 řádky
1.8 KiB
C
57 řádky
1.8 KiB
C
/*
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* Copyright © 2014 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* 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 (including
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* the next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#include "libhsakmt.h"
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#include <stdlib.h>
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#include <string.h>
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#include "linux/kfd_ioctl.h"
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HsaVersionInfo kfd_version_info;
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HSAKMT_STATUS HSAKMTAPI hsaKmtGetVersion(HsaVersionInfo *VersionInfo)
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{
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CHECK_KFD_OPEN();
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*VersionInfo = kfd_version_info;
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return HSAKMT_STATUS_SUCCESS;
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}
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HSAKMT_STATUS init_kfd_version(void)
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{
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struct kfd_ioctl_get_version_args args = {0};
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if (kmtIoctl(kfd_fd, AMDKFD_IOC_GET_VERSION, &args) == -1)
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return HSAKMT_STATUS_ERROR;
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kfd_version_info.KernelInterfaceMajorVersion = args.major_version;
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kfd_version_info.KernelInterfaceMinorVersion = args.minor_version;
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if (args.major_version != 1)
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return HSAKMT_STATUS_DRIVER_MISMATCH;
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return HSAKMT_STATUS_SUCCESS;
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}
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