Junhua Shen
9da1572c42
* Introduce HsaKFDContext structure and infrastructure for multiple KFD contexts, enabling independent contexts within a single process. * Refactor core components (queue, event, FMM, topology) to be context-aware, using explicit HsaKFDContext parameters instead of global state. * Replace global hsakmt_kfd_fd with context-specific file descriptors, ensuring full context isolation. * Maintain backward compatibility by redirecting legacy APIs to use the primary context. This refactoring establishes a foundation for multi-context support while preserving existing functionality. Signed-off-by: Junhua Shen <Junhua.Shen@amd.com>
64 righe
1.9 KiB
C
64 righe
1.9 KiB
C
/*
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* Copyright © 2025 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 "kfdcontext.h"
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#include "libhsakmt.h"
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#include <stdlib.h>
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#include <stddef.h>
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#include <assert.h>
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#include <stdio.h>
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#include <errno.h>
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void hsakmt_kfdcontext_init_context(int fd, HsaKFDContext *ctx)
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{
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assert(fd >= 0);
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assert(ctx);
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ctx->fd = fd;
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ctx->queue_context = NULL;
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ctx->fmm_context = NULL;
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ctx->event_context = NULL;
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}
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void hsakmt_kfdcontext_clear_context(HsaKFDContext *ctx)
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{
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if (!ctx)
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return;
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if (ctx->queue_context) {
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free(ctx->queue_context);
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ctx->queue_context = NULL;
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}
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if (ctx->fmm_context) {
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free(ctx->fmm_context);
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ctx->fmm_context = NULL;
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}
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if (ctx->event_context) {
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free(ctx->event_context);
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ctx->event_context = NULL;
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}
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ctx->fd = -1;
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}
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