Mod alloc ctx wrapper #10802
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,68 @@ | ||
| /* SPDX-License-Identifier: BSD-3-Clause | ||
| * | ||
| * Copyright(c) 2026 Intel Corporation. All rights reserved. | ||
| */ | ||
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| #ifndef __SOF_CTX_ALLOC_H__ | ||
| #define __SOF_CTX_ALLOC_H__ | ||
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| #include <sof/audio/component.h> | ||
| #include <sof/lib/vregion.h> | ||
| #include <rtos/alloc.h> | ||
| #include <stddef.h> | ||
| #include <stdint.h> | ||
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| /** | ||
| * Allocate memory from a mod_alloc_ctx context. | ||
| * | ||
| * When the context has a vregion, allocates from the vregion interim | ||
| * partition. Coherent memory is used when SOF_MEM_FLAG_COHERENT is set | ||
| * in flags. Falls back to sof_heap_alloc() otherwise. | ||
| * | ||
| * @param ctx Allocation context (heap + optional vregion). | ||
| * @param flags Allocation flags (SOF_MEM_FLAG_*). | ||
| * @param size Size in bytes. | ||
| * @param alignment Required alignment in bytes. | ||
| * @return Pointer to allocated memory or NULL on failure. | ||
| */ | ||
| static inline void *sof_ctx_alloc(struct mod_alloc_ctx *ctx, uint32_t flags, | ||
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Collaborator
There was a problem hiding this comment. @jsarha @lyakh @lgirdwood My head spins a bit with the naming. We have been adding layers to heap allocation recently and it's starts to be very hard to follow:
I wonder if we could come up with a better name for ctx_alloc.h? The main point seems to be capability to group heap allocs to region, so maybe:
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| size_t size, size_t alignment) | ||
| { | ||
| if (!ctx || !ctx->vreg) | ||
| return sof_heap_alloc(ctx ? ctx->heap : NULL, flags, size, alignment); | ||
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| if (flags & SOF_MEM_FLAG_COHERENT) | ||
| return vregion_alloc_coherent_align(ctx->vreg, VREGION_MEM_TYPE_INTERIM, | ||
| size, alignment); | ||
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| return vregion_alloc_align(ctx->vreg, VREGION_MEM_TYPE_INTERIM, size, alignment); | ||
| } | ||
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| /** | ||
| * Allocate zero-initialized memory from a mod_alloc_ctx context. | ||
| * @param ctx Allocation context. | ||
| * @param size Size in bytes. | ||
| * @return Pointer to allocated memory or NULL on failure. | ||
| */ | ||
| static inline void *sof_ctx_zalloc(struct mod_alloc_ctx *ctx, size_t size) | ||
| { | ||
| return sof_ctx_alloc(ctx, 0, size, 0); | ||
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Collaborator
There was a problem hiding this comment. this seems rather wrong and incomplete. If you do want such a wrapper, you'd want it with flags and alignment too. And |
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| } | ||
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| /** | ||
| * Free memory allocated from a mod_alloc_ctx context. | ||
| * @param ctx Allocation context. | ||
| * @param ptr Pointer to free. | ||
| */ | ||
| static inline void sof_ctx_free(struct mod_alloc_ctx *ctx, void *ptr) | ||
| { | ||
| if (!ptr) | ||
| return; | ||
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| if (ctx && ctx->vreg) | ||
| vregion_free(ctx->vreg, ptr); | ||
| else | ||
| sof_heap_free(ctx ? ctx->heap : NULL, ptr); | ||
| } | ||
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| #endif /* __SOF_CTX_ALLOC_H__ */ | ||
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I think you wanted to remove lines 215-216 too