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deps: update zlib to 1.3.0.1-motley-c2469fd
PR-URL: #53464 Reviewed-By: Chemi Atlow <chemi@atlow.co.il> Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com> Reviewed-By: Rafael Gonzaga <rafael.nunu@hotmail.com> Reviewed-By: James M Snell <jasnell@gmail.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,312 @@ | ||
| /* | ||
| * Copyright (C) 2024 Intel Corporation. All rights reserved. | ||
| * Authors: | ||
| * Gustavo A Espinoza <gustavo.adolfo.espinoza.quintero@intel.com> | ||
| * <gustavoaespinozaq@hotmail.com> | ||
| * | ||
| * For conditions of distribution and use, see copyright notice in zlib.h | ||
| */ | ||
| #include "deflate_qat.h" | ||
| #include "deflate.h" | ||
|
|
||
| #include "session.hpp" | ||
| #include "qat_instance.hpp" | ||
| #include "qat_buffer_list.hpp" | ||
| #include "qat.hpp" | ||
|
|
||
| #include <memory> | ||
|
|
||
| /* | ||
| * TODO(gustavoa): Make the input size adjustable from the memlevel | ||
| * attribute on deflateInit. | ||
| */ | ||
| static constexpr size_t kInputSize = 1024 * 1024; | ||
|
|
||
| /* QAT Instances obtained available from the library. */ | ||
| static std::vector<std::shared_ptr<qat::Instance>> qat_instances; | ||
|
|
||
| /* | ||
| * TODO(gustavoa): Verify if the ordering of the struct fields won't create | ||
| * unnecessary holes in the structure that requires extraneous padding. | ||
| */ | ||
| struct qat_deflate { | ||
| std::unique_ptr<qat::DeflateSession> qat_session; | ||
|
|
||
| /* QAT requires contiguous physical pages. Cannot be allocated using | ||
| * malloc/new. | ||
| */ | ||
| uint8_t *input_buffer; | ||
| uint8_t *output_buffer; | ||
|
|
||
| /* Pointer to the next byte in the output buffer. */ | ||
| uint8_t *pending_out; | ||
|
|
||
| unsigned input_buffer_size; | ||
| unsigned output_buffer_size; | ||
|
|
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| unsigned pending_in_count; | ||
| unsigned pending_out_count; | ||
| }; | ||
|
|
||
| static std::unique_ptr<qat::DeflateSession> qat_create_session(int level, int wrap) | ||
| { | ||
| CpaDcChecksum checksum = CPA_DC_NONE; | ||
|
|
||
| switch(wrap) { | ||
| case 1: | ||
| checksum = CPA_DC_ADLER32; | ||
| break; | ||
| case 2: | ||
| checksum = CPA_DC_CRC32; | ||
| break; | ||
| } | ||
|
|
||
| return std::make_unique<qat::DeflateSession>( | ||
| qat_instances[0], | ||
| (CpaDcCompLvl)level, | ||
| checksum, | ||
| 0 | ||
| ); | ||
| } | ||
|
|
||
|
|
||
| int qat_deflate_init() | ||
| { | ||
| return (qat::Initialize()) ? Z_ERRNO : Z_OK; | ||
| } | ||
|
|
||
| struct qat_deflate* qat_deflate_state_init(int level, int wrap) | ||
| { | ||
| if (qat_instances.empty()) { | ||
| qat_instances = qat::Instance::Create(); | ||
| } | ||
| if (qat_instances.empty()) { | ||
| return nullptr; | ||
| } | ||
|
|
||
| struct qat_deflate *qat_deflate = new struct qat_deflate; | ||
| if (!qat_deflate) { | ||
| return nullptr; | ||
| } | ||
|
|
||
| /* TODO(gustavoa): Find a way to utilize all the available instances for the same | ||
| * process. | ||
| */ | ||
| qat_instances[0]->Start(); | ||
|
|
||
| qat_deflate->qat_session = qat_create_session(level, wrap); | ||
|
|
||
| qat_deflate->input_buffer_size = kInputSize; | ||
| qat_deflate->input_buffer = qat::AllocBlockArray<uint8_t>(kInputSize, 0); | ||
| qat_deflate->output_buffer_size = | ||
| qat_deflate->qat_session->GetDeflateBound(qat_deflate->input_buffer_size); | ||
| qat_deflate->pending_out = qat_deflate->output_buffer = | ||
| qat::AllocBlockArray<uint8_t>(qat_deflate->output_buffer_size, 0); | ||
|
|
||
| qat_deflate->pending_in_count = qat_deflate->pending_out_count = 0; | ||
|
|
||
| if (!qat_deflate->input_buffer || !qat_deflate->output_buffer) { | ||
| return nullptr; | ||
| } | ||
|
|
||
| return qat_deflate; | ||
| } | ||
|
|
||
| static unsigned qat_read_buf(z_streamp strm, struct qat_deflate* qat, unsigned size) | ||
| { | ||
| unsigned len = strm->avail_in; | ||
|
|
||
| if (len > size) { | ||
| len = size; | ||
| } | ||
| if (len == 0) return 0; | ||
|
|
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| strm->avail_in -= len; | ||
| strm->total_in += len; | ||
|
|
||
| zmemcpy( | ||
| qat->input_buffer + qat->pending_in_count, | ||
| strm->next_in, | ||
| len | ||
| ); | ||
|
|
||
| strm->next_in += len; | ||
| qat->pending_in_count += len; | ||
|
|
||
| return len; | ||
| } | ||
|
|
||
| void qat_flush_pending(deflate_state* s) | ||
| { | ||
| unsigned len; | ||
| z_streamp strm = s->strm; | ||
| struct qat_deflate* qat = s->qat_s; | ||
|
|
||
| len = qat->pending_out_count; | ||
| if (len > strm->avail_out) len = strm->avail_out; | ||
| if (len == 0) return; | ||
|
|
||
| zmemcpy(strm->next_out, qat->pending_out, len); | ||
|
|
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| qat->pending_out += len; | ||
| qat->pending_out_count -= len; | ||
| strm->next_out += len; | ||
| strm->avail_out -= len; | ||
| strm->total_out += len; | ||
| if (qat->pending_out_count == 0) { | ||
| qat->pending_out = qat->output_buffer; | ||
| } | ||
| } | ||
|
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||
| static int qat_compress_pending(deflate_state*s, int flush) | ||
| { | ||
| struct qat_deflate* qat = s->qat_s; | ||
| uint32_t metadata_size; | ||
|
|
||
| /* TODO(gustavoa): find a way to make qatzpp setup this number internally. */ | ||
| cpaDcBufferListGetMetaSize(qat->qat_session->getInstance()->GetHandle(), 1, &metadata_size); | ||
|
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||
| auto job = qat->qat_session->Deflate( | ||
| std::make_unique<qat::IOBuffers>( | ||
| std::make_unique<qat::BufferListUser>( | ||
| qat->input_buffer, | ||
| qat->pending_in_count, | ||
| metadata_size | ||
| ), | ||
| std::make_unique<qat::BufferListUser>( | ||
| qat->output_buffer, | ||
| qat->output_buffer_size, | ||
| metadata_size | ||
| ) | ||
| ), (flush == Z_FINISH && s->strm->avail_in == 0) | ||
| ); | ||
|
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| job->WaitCompletion(); | ||
|
|
||
| /* | ||
| * TODO(gustavoa): make QAT perform the checksum combine. | ||
| */ | ||
| if (s->wrap == 2) { | ||
| s->strm->adler = crc32_combine( | ||
| s->strm->adler, | ||
| job->GetResults()->checksum, | ||
| job->GetResults()->consumed | ||
| ); | ||
| } else if (s->wrap == 1) { | ||
| s->strm->adler = adler32( | ||
| s->strm->adler, | ||
| qat->input_buffer, | ||
| job->GetResults()->consumed | ||
| ); | ||
| } | ||
|
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| qat->pending_out_count = job->GetResults()->produced; | ||
| qat->pending_in_count -= job->GetResults()->consumed; | ||
|
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| if(qat->pending_in_count != 0) { | ||
| /* Copy any remaining bytes to the beginning of the buffer. */ | ||
| zmemcpy( | ||
| qat->input_buffer, | ||
| qat->input_buffer + job->GetResults()->consumed, | ||
| qat->pending_in_count | ||
| ); | ||
| } | ||
|
|
||
| return 0; | ||
| } | ||
|
|
||
| qat_block_state qat_deflate_step(deflate_state* s, int flush) | ||
| { | ||
| z_streamp strm = s->strm; | ||
| struct qat_deflate* qat_state = s->qat_s; | ||
|
|
||
| for (;;) { | ||
| if (qat_state->pending_in_count < qat_state->input_buffer_size) { | ||
| qat_read_buf( | ||
| strm, | ||
| qat_state, | ||
| qat_state->input_buffer_size - qat_state->pending_in_count | ||
| ); | ||
| if (qat_state->pending_in_count < qat_state->input_buffer_size && flush == Z_NO_FLUSH) { | ||
| return qat_block_need_more; | ||
| } else { | ||
| qat_compress_pending(s, flush); | ||
| } | ||
| if (strm->avail_in == 0) { | ||
| break; | ||
| } | ||
| } else { | ||
| qat_compress_pending(s, flush); | ||
| } | ||
|
|
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| qat_flush_pending(s); | ||
| if (strm->avail_out == 0) { | ||
| return (flush == Z_FINISH) ? qat_block_finish_started : qat_block_need_more; | ||
| } | ||
| } | ||
|
|
||
| if (flush == Z_FINISH) { | ||
| qat_flush_pending(s); | ||
| if (strm->avail_out == 0) { | ||
| return qat_block_finish_started; | ||
| } else { | ||
| return qat_block_finish_done; | ||
| } | ||
| } | ||
|
|
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| qat_flush_pending(s); | ||
| if (strm->avail_out == 0) { | ||
| return qat_block_done; | ||
| } | ||
|
|
||
| return qat_block_need_more; | ||
| } | ||
|
|
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| int qat_deflate_state_free(deflate_state* s) | ||
| { | ||
| struct qat_deflate* qat_state = s->qat_s; | ||
| if (qat_state->input_buffer) { | ||
| qat::Free(qat_state->input_buffer); | ||
| } | ||
| if (qat_state->output_buffer) { | ||
| qat::Free(qat_state->output_buffer); | ||
| } | ||
|
|
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| qat_state->qat_session.reset(); | ||
| delete qat_state; | ||
| s->qat_s = nullptr; | ||
|
|
||
| return Z_OK; | ||
| } | ||
|
|
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| struct qat_deflate *qat_deflate_copy(deflate_state *ss) | ||
| { | ||
| struct qat_deflate *sqat = ss->qat_s; | ||
| struct qat_deflate *dqat = nullptr; | ||
|
|
||
| if (!sqat) { | ||
| return nullptr; | ||
| } | ||
|
|
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| dqat = new struct qat_deflate; | ||
|
|
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| dqat->qat_session = qat_create_session(ss->level, ss->wrap); | ||
|
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| dqat->input_buffer_size = sqat->input_buffer_size; | ||
| dqat->input_buffer = qat::AllocBlockArray<uint8_t>(dqat->input_buffer_size, 0); | ||
|
|
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| dqat->output_buffer_size = sqat->output_buffer_size; | ||
| dqat->output_buffer = qat::AllocBlockArray<uint8_t>(dqat->output_buffer_size, 0); | ||
|
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| dqat->pending_in_count = sqat->pending_in_count; | ||
| dqat->pending_out_count = sqat->pending_out_count; | ||
|
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| dqat->pending_out = | ||
| dqat->output_buffer + (sqat->pending_out - sqat->output_buffer); | ||
|
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| zmemcpy(dqat->input_buffer, sqat->input_buffer, dqat->input_buffer_size); | ||
| zmemcpy(dqat->output_buffer, sqat->output_buffer, dqat->output_buffer_size); | ||
|
|
||
| return dqat; | ||
| } | ||
|
|
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