static void isal_deflate_pass(struct isal_zstream *stream)
{
struct isal_zstate *state = &stream->internal_state;
struct isal_hufftables *hufftables = stream->hufftables;
uint8_t *start_in = stream->next_in;
if (state->state == ZSTATE_NEW_HDR || state->state == ZSTATE_HDR) {
if (state->count == 0)
/* Assume the final header is being written since the header
* stored in hufftables is the final header. */
state->has_eob_hdr = 1;
write_header(stream, hufftables->deflate_hdr, hufftables->deflate_hdr_count,
hufftables->deflate_hdr_extra_bits, ZSTATE_BODY,
!stream->end_of_stream);
}
if (state->state == ZSTATE_BODY)
isal_deflate_body(stream);
if (state->state == ZSTATE_FLUSH_READ_BUFFER)
isal_deflate_finish(stream);
if (state->state == ZSTATE_SYNC_FLUSH)
sync_flush(stream);
if (state->state == ZSTATE_FLUSH_WRITE_BUFFER)
flush_write_buffer(stream);
if (stream->gzip_flag)
state->crc = crc32_gzip(state->crc, start_in, stream->next_in - start_in);
if (state->state == ZSTATE_TRL)
write_trailer(stream);
}
static void isal_deflate_icf_pass(struct isal_zstream *stream)
{
uint8_t *start_in = stream->next_in;
struct isal_zstate *state = &stream->internal_state;
struct level_2_buf *level_buf = (struct level_2_buf *)stream->level_buf;
do {
if (state->state == ZSTATE_NEW_HDR)
init_new_icf_block(stream);
if (state->state == ZSTATE_BODY)
isal_deflate_icf_body(stream);
if (state->state == ZSTATE_FLUSH_READ_BUFFER)
isal_deflate_icf_finish(stream);
if (state->state == ZSTATE_CREATE_HDR)
create_icf_block_hdr(stream);
if (state->state == ZSTATE_HDR)
/* Note that the header may be prepended by the
* remaining bits in the previous block, as such the
* toggle header flag cannot be used */
write_header(stream, level_buf->deflate_hdr,
level_buf->deflate_hdr_count,
level_buf->deflate_hdr_extra_bits,
ZSTATE_FLUSH_ICF_BUFFER, 0);
if (state->state == ZSTATE_FLUSH_ICF_BUFFER)
flush_icf_block(stream);
} while (state->state == ZSTATE_NEW_HDR);
if (state->state == ZSTATE_SYNC_FLUSH)
sync_flush(stream);
if (state->state == ZSTATE_FLUSH_WRITE_BUFFER)
flush_write_buffer(stream);
if (stream->gzip_flag)
state->crc = crc32_gzip(state->crc, start_in, stream->next_in - start_in);
if (state->state == ZSTATE_TRL)
write_trailer(stream);
}
static void isal_deflate_int(struct isal_zstream *stream)
{
struct isal_zstate *state = &stream->internal_state;
if (state->state == ZSTATE_NEW_HDR || state->state == ZSTATE_HDR)
write_header(stream);
if (state->state == ZSTATE_BODY)
isal_deflate_body(stream);
if (state->state == ZSTATE_FLUSH_READ_BUFFER)
isal_deflate_finish(stream);
if (state->state == ZSTATE_SYNC_FLUSH)
sync_flush(stream);
if (state->state == ZSTATE_FLUSH_WRITE_BUFFER)
flush_write_buffer(stream);
if (state->state == ZSTATE_TRL)
write_trailer(stream);
}
