cmhi
/
f-stack
mirror of https://github.com/F-Stack/f-stack.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
f-stack/dpdk/drivers/compress/qat/qat_comp.c

775 lines
23 KiB
C
Raw Blame History

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018-2019 Intel Corporation
*/
#include <rte_mempool.h>
#include <rte_mbuf.h>
#include <rte_hexdump.h>
#include <rte_comp.h>
#include <rte_bus_pci.h>
#include <rte_byteorder.h>
#include <rte_memcpy.h>
#include <rte_common.h>
#include <rte_spinlock.h>
#include <rte_log.h>
#include <rte_malloc.h>
#include "qat_logs.h"
#include "qat_comp.h"
#include "qat_comp_pmd.h"
int
qat_comp_build_request(void *in_op, uint8_t *out_msg,
void *op_cookie,
enum qat_device_gen qat_dev_gen __rte_unused)
{
struct rte_comp_op *op = in_op;
struct qat_comp_op_cookie *cookie =
(struct qat_comp_op_cookie *)op_cookie;
struct qat_comp_stream *stream;
struct qat_comp_xform *qat_xform;
const uint8_t *tmpl;
struct icp_qat_fw_comp_req *comp_req =
(struct icp_qat_fw_comp_req *)out_msg;
if (op->op_type == RTE_COMP_OP_STATEFUL) {
stream = op->stream;
qat_xform = &stream->qat_xform;
if (unlikely(qat_xform->qat_comp_request_type !=
QAT_COMP_REQUEST_DECOMPRESS)) {
QAT_DP_LOG(ERR, "QAT PMD does not support stateful compression");
op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
return -EINVAL;
}
if (unlikely(stream->op_in_progress)) {
QAT_DP_LOG(ERR, "QAT PMD does not support running multiple stateful operations on the same stream at once");
op->status = RTE_COMP_OP_STATUS_INVALID_STATE;
return -EINVAL;
}
stream->op_in_progress = 1;
} else {
stream = NULL;
qat_xform = op->private_xform;
}
tmpl = (uint8_t *)&qat_xform->qat_comp_req_tmpl;
rte_mov128(out_msg, tmpl);
comp_req->comn_mid.opaque_data = (uint64_t)(uintptr_t)op;
if (op->op_type == RTE_COMP_OP_STATEFUL) {
comp_req->comp_pars.req_par_flags =
ICP_QAT_FW_COMP_REQ_PARAM_FLAGS_BUILD(
(stream->start_of_packet) ?
ICP_QAT_FW_COMP_SOP
: ICP_QAT_FW_COMP_NOT_SOP,
(op->flush_flag == RTE_COMP_FLUSH_FULL ||
op->flush_flag == RTE_COMP_FLUSH_FINAL) ?
ICP_QAT_FW_COMP_EOP
: ICP_QAT_FW_COMP_NOT_EOP,
ICP_QAT_FW_COMP_NOT_BFINAL,
ICP_QAT_FW_COMP_NO_CNV,
ICP_QAT_FW_COMP_NO_CNV_RECOVERY);
}
if (likely(qat_xform->qat_comp_request_type ==
QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS)) {
if (unlikely(op->src.length > QAT_FALLBACK_THLD)) {
/* fallback to fixed compression */
comp_req->comn_hdr.service_cmd_id =
ICP_QAT_FW_COMP_CMD_STATIC;
ICP_QAT_FW_COMN_NEXT_ID_SET(&comp_req->comp_cd_ctrl,
ICP_QAT_FW_SLICE_DRAM_WR);
ICP_QAT_FW_COMN_NEXT_ID_SET(&comp_req->u2.xlt_cd_ctrl,
ICP_QAT_FW_SLICE_NULL);
ICP_QAT_FW_COMN_CURR_ID_SET(&comp_req->u2.xlt_cd_ctrl,
ICP_QAT_FW_SLICE_NULL);
QAT_DP_LOG(DEBUG, "QAT PMD: fallback to fixed "
"compression! IM buffer size can be too low "
"for produced data.\n Please use input "
"buffer length lower than %d bytes",
QAT_FALLBACK_THLD);
}
}
/* common for sgl and flat buffers */
comp_req->comp_pars.comp_len = op->src.length;
comp_req->comp_pars.out_buffer_sz = rte_pktmbuf_pkt_len(op->m_dst) -
op->dst.offset;
if (op->m_src->next != NULL || op->m_dst->next != NULL) {
/* sgl */
int ret = 0;
ICP_QAT_FW_COMN_PTR_TYPE_SET(comp_req->comn_hdr.comn_req_flags,
QAT_COMN_PTR_TYPE_SGL);
if (unlikely(op->m_src->nb_segs > cookie->src_nb_elems)) {
/* we need to allocate more elements in SGL*/
void *tmp;
tmp = rte_realloc_socket(cookie->qat_sgl_src_d,
sizeof(struct qat_sgl) +
sizeof(struct qat_flat_buf) *
op->m_src->nb_segs, 64,
cookie->socket_id);
if (unlikely(tmp == NULL)) {
QAT_DP_LOG(ERR, "QAT PMD can't allocate memory"
" for %d elements of SGL",
op->m_src->nb_segs);
op->status = RTE_COMP_OP_STATUS_ERROR;
/* clear op-in-progress flag */
if (stream)
stream->op_in_progress = 0;
return -ENOMEM;
}
/* new SGL is valid now */
cookie->qat_sgl_src_d = (struct qat_sgl *)tmp;
cookie->src_nb_elems = op->m_src->nb_segs;
cookie->qat_sgl_src_phys_addr =
rte_malloc_virt2iova(cookie->qat_sgl_src_d);
}
ret = qat_sgl_fill_array(op->m_src,
op->src.offset,
cookie->qat_sgl_src_d,
op->src.length,
cookie->src_nb_elems);
if (ret) {
QAT_DP_LOG(ERR, "QAT PMD Cannot fill source sgl array");
op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
/* clear op-in-progress flag */
if (stream)
stream->op_in_progress = 0;
return ret;
}
if (unlikely(op->m_dst->nb_segs > cookie->dst_nb_elems)) {
/* we need to allocate more elements in SGL*/
struct qat_sgl *tmp;
tmp = rte_realloc_socket(cookie->qat_sgl_dst_d,
sizeof(struct qat_sgl) +
sizeof(struct qat_flat_buf) *
op->m_dst->nb_segs, 64,
cookie->socket_id);
if (unlikely(tmp == NULL)) {
QAT_DP_LOG(ERR, "QAT PMD can't allocate memory"
" for %d elements of SGL",
op->m_dst->nb_segs);
op->status = RTE_COMP_OP_STATUS_ERROR;
/* clear op-in-progress flag */
if (stream)
stream->op_in_progress = 0;
return -ENOMEM;
}
/* new SGL is valid now */
cookie->qat_sgl_dst_d = (struct qat_sgl *)tmp;
cookie->dst_nb_elems = op->m_dst->nb_segs;
cookie->qat_sgl_dst_phys_addr =
rte_malloc_virt2iova(cookie->qat_sgl_dst_d);
}
ret = qat_sgl_fill_array(op->m_dst,
op->dst.offset,
cookie->qat_sgl_dst_d,
comp_req->comp_pars.out_buffer_sz,
cookie->dst_nb_elems);
if (ret) {
QAT_DP_LOG(ERR, "QAT PMD Cannot fill dest. sgl array");
op->status = RTE_COMP_OP_STATUS_INVALID_ARGS;
/* clear op-in-progress flag */
if (stream)
stream->op_in_progress = 0;
return ret;
}
comp_req->comn_mid.src_data_addr =
cookie->qat_sgl_src_phys_addr;
comp_req->comn_mid.dest_data_addr =
cookie->qat_sgl_dst_phys_addr;
comp_req->comn_mid.src_length = 0;
comp_req->comn_mid.dst_length = 0;
} else {
/* flat aka linear buffer */
ICP_QAT_FW_COMN_PTR_TYPE_SET(comp_req->comn_hdr.comn_req_flags,
QAT_COMN_PTR_TYPE_FLAT);
comp_req->comn_mid.src_length = op->src.length;
comp_req->comn_mid.dst_length =
comp_req->comp_pars.out_buffer_sz;
comp_req->comn_mid.src_data_addr =
rte_pktmbuf_mtophys_offset(op->m_src, op->src.offset);
comp_req->comn_mid.dest_data_addr =
rte_pktmbuf_mtophys_offset(op->m_dst, op->dst.offset);
}
if (unlikely(rte_pktmbuf_pkt_len(op->m_dst) < QAT_MIN_OUT_BUF_SIZE)) {
/* QAT doesn't support dest. buffer lower
* than QAT_MIN_OUT_BUF_SIZE. Propagate error mark
* by converting this request to the null one
* and check the status in the response.
*/
QAT_DP_LOG(WARNING, "QAT destination buffer too small - resend with larger buffer");
comp_req->comn_hdr.service_type = ICP_QAT_FW_COMN_REQ_NULL;
comp_req->comn_hdr.service_cmd_id = ICP_QAT_FW_NULL_REQ_SERV_ID;
cookie->error = RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED;
}
#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
QAT_DP_LOG(DEBUG, "Direction: %s",
qat_xform->qat_comp_request_type == QAT_COMP_REQUEST_DECOMPRESS ?
"decompression" : "compression");
QAT_DP_HEXDUMP_LOG(DEBUG, "qat compression message:", comp_req,
sizeof(struct icp_qat_fw_comp_req));
#endif
return 0;
}
int
qat_comp_process_response(void **op, uint8_t *resp, void *op_cookie,
uint64_t *dequeue_err_count)
{
struct icp_qat_fw_comp_resp *resp_msg =
(struct icp_qat_fw_comp_resp *)resp;
struct qat_comp_op_cookie *cookie =
(struct qat_comp_op_cookie *)op_cookie;
struct rte_comp_op *rx_op = (struct rte_comp_op *)(uintptr_t)
(resp_msg->opaque_data);
struct qat_comp_stream *stream;
struct qat_comp_xform *qat_xform;
int err = resp_msg->comn_resp.comn_status &
((1 << QAT_COMN_RESP_CMP_STATUS_BITPOS) |
(1 << QAT_COMN_RESP_XLAT_STATUS_BITPOS));
if (rx_op->op_type == RTE_COMP_OP_STATEFUL) {
stream = rx_op->stream;
qat_xform = &stream->qat_xform;
/* clear op-in-progress flag */
stream->op_in_progress = 0;
} else {
stream = NULL;
qat_xform = rx_op->private_xform;
}
#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
QAT_DP_LOG(DEBUG, "Direction: %s",
qat_xform->qat_comp_request_type == QAT_COMP_REQUEST_DECOMPRESS ?
"decompression" : "compression");
QAT_DP_HEXDUMP_LOG(DEBUG, "qat_response:", (uint8_t *)resp_msg,
sizeof(struct icp_qat_fw_comp_resp));
#endif
if (unlikely(cookie->error)) {
rx_op->status = cookie->error;
cookie->error = 0;
++(*dequeue_err_count);
rx_op->debug_status = 0;
rx_op->consumed = 0;
rx_op->produced = 0;
*op = (void *)rx_op;
return 0;
}
if (likely(qat_xform->qat_comp_request_type
!= QAT_COMP_REQUEST_DECOMPRESS)) {
if (unlikely(ICP_QAT_FW_COMN_HDR_CNV_FLAG_GET(
resp_msg->comn_resp.hdr_flags)
== ICP_QAT_FW_COMP_NO_CNV)) {
rx_op->status = RTE_COMP_OP_STATUS_ERROR;
rx_op->debug_status = ERR_CODE_QAT_COMP_WRONG_FW;
*op = (void *)rx_op;
QAT_DP_LOG(ERR, "QAT has wrong firmware");
++(*dequeue_err_count);
return 0;
}
}
if (err) {
if (unlikely((err & (1 << QAT_COMN_RESP_XLAT_STATUS_BITPOS))
&& (qat_xform->qat_comp_request_type
== QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS))) {
QAT_DP_LOG(ERR, "QAT intermediate buffer may be too "
"small for output, try configuring a larger size");
}
int8_t cmp_err_code =
(int8_t)resp_msg->comn_resp.comn_error.cmp_err_code;
int8_t xlat_err_code =
(int8_t)resp_msg->comn_resp.comn_error.xlat_err_code;
/* handle recoverable out-of-buffer condition in stateful */
/* decompression scenario */
if (cmp_err_code == ERR_CODE_OVERFLOW_ERROR && !xlat_err_code
&& qat_xform->qat_comp_request_type
== QAT_COMP_REQUEST_DECOMPRESS
&& rx_op->op_type == RTE_COMP_OP_STATEFUL) {
struct icp_qat_fw_resp_comp_pars *comp_resp =
&resp_msg->comp_resp_pars;
rx_op->status =
RTE_COMP_OP_STATUS_OUT_OF_SPACE_RECOVERABLE;
rx_op->consumed = comp_resp->input_byte_counter;
rx_op->produced = comp_resp->output_byte_counter;
stream->start_of_packet = 0;
} else if ((cmp_err_code == ERR_CODE_OVERFLOW_ERROR
&& !xlat_err_code)
||
(!cmp_err_code && xlat_err_code == ERR_CODE_OVERFLOW_ERROR)
||
(cmp_err_code == ERR_CODE_OVERFLOW_ERROR &&
xlat_err_code == ERR_CODE_OVERFLOW_ERROR)){
struct icp_qat_fw_resp_comp_pars *comp_resp =
(struct icp_qat_fw_resp_comp_pars *)&resp_msg->comp_resp_pars;
/* handle recoverable out-of-buffer condition */
/* in stateless compression scenario */
if (comp_resp->input_byte_counter) {
if ((qat_xform->qat_comp_request_type
== QAT_COMP_REQUEST_FIXED_COMP_STATELESS) ||
(qat_xform->qat_comp_request_type
== QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS)) {
rx_op->status =
RTE_COMP_OP_STATUS_OUT_OF_SPACE_RECOVERABLE;
rx_op->consumed =
comp_resp->input_byte_counter;
rx_op->produced =
comp_resp->output_byte_counter;
} else
rx_op->status =
RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED;
} else
rx_op->status =
RTE_COMP_OP_STATUS_OUT_OF_SPACE_TERMINATED;
} else
rx_op->status = RTE_COMP_OP_STATUS_ERROR;
++(*dequeue_err_count);
rx_op->debug_status =
*((uint16_t *)(&resp_msg->comn_resp.comn_error));
} else {
struct icp_qat_fw_resp_comp_pars *comp_resp =
(struct icp_qat_fw_resp_comp_pars *)&resp_msg->comp_resp_pars;
rx_op->status = RTE_COMP_OP_STATUS_SUCCESS;
rx_op->consumed = comp_resp->input_byte_counter;
rx_op->produced = comp_resp->output_byte_counter;
if (stream)
stream->start_of_packet = 0;
if (qat_xform->checksum_type != RTE_COMP_CHECKSUM_NONE) {
if (qat_xform->checksum_type == RTE_COMP_CHECKSUM_CRC32)
rx_op->output_chksum = comp_resp->curr_crc32;
else if (qat_xform->checksum_type ==
RTE_COMP_CHECKSUM_ADLER32)
rx_op->output_chksum = comp_resp->curr_adler_32;
else
rx_op->output_chksum = comp_resp->curr_chksum;
}
}
*op = (void *)rx_op;
return 0;
}
unsigned int
qat_comp_xform_size(void)
{
return RTE_ALIGN_CEIL(sizeof(struct qat_comp_xform), 8);
}
unsigned int
qat_comp_stream_size(void)
{
return RTE_ALIGN_CEIL(sizeof(struct qat_comp_stream), 8);
}
static void qat_comp_create_req_hdr(struct icp_qat_fw_comn_req_hdr *header,
enum qat_comp_request_type request)
{
if (request == QAT_COMP_REQUEST_FIXED_COMP_STATELESS)
header->service_cmd_id = ICP_QAT_FW_COMP_CMD_STATIC;
else if (request == QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS)
header->service_cmd_id = ICP_QAT_FW_COMP_CMD_DYNAMIC;
else if (request == QAT_COMP_REQUEST_DECOMPRESS)
header->service_cmd_id = ICP_QAT_FW_COMP_CMD_DECOMPRESS;
header->service_type = ICP_QAT_FW_COMN_REQ_CPM_FW_COMP;
header->hdr_flags =
ICP_QAT_FW_COMN_HDR_FLAGS_BUILD(ICP_QAT_FW_COMN_REQ_FLAG_SET);
header->comn_req_flags = ICP_QAT_FW_COMN_FLAGS_BUILD(
QAT_COMN_CD_FLD_TYPE_16BYTE_DATA, QAT_COMN_PTR_TYPE_FLAT);
}
static int qat_comp_create_templates(struct qat_comp_xform *qat_xform,
const struct rte_memzone *interm_buff_mz,
const struct rte_comp_xform *xform,
const struct qat_comp_stream *stream,
enum rte_comp_op_type op_type)
{
struct icp_qat_fw_comp_req *comp_req;
int comp_level, algo;
uint32_t req_par_flags;
int direction = ICP_QAT_HW_COMPRESSION_DIR_COMPRESS;
if (unlikely(qat_xform == NULL)) {
QAT_LOG(ERR, "Session was not created for this device");
return -EINVAL;
}
if (op_type == RTE_COMP_OP_STATEFUL) {
if (unlikely(stream == NULL)) {
QAT_LOG(ERR, "Stream must be non null for stateful op");
return -EINVAL;
}
if (unlikely(qat_xform->qat_comp_request_type !=
QAT_COMP_REQUEST_DECOMPRESS)) {
QAT_LOG(ERR, "QAT PMD does not support stateful compression");
return -ENOTSUP;
}
}
if (qat_xform->qat_comp_request_type == QAT_COMP_REQUEST_DECOMPRESS) {
direction = ICP_QAT_HW_COMPRESSION_DIR_DECOMPRESS;
comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_1;
req_par_flags = ICP_QAT_FW_COMP_REQ_PARAM_FLAGS_BUILD(
ICP_QAT_FW_COMP_SOP, ICP_QAT_FW_COMP_EOP,
ICP_QAT_FW_COMP_BFINAL, ICP_QAT_FW_COMP_NO_CNV,
ICP_QAT_FW_COMP_NO_CNV_RECOVERY);
} else {
if (xform->compress.level == RTE_COMP_LEVEL_PMD_DEFAULT)
comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_8;
else if (xform->compress.level == 1)
comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_1;
else if (xform->compress.level == 2)
comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_4;
else if (xform->compress.level == 3)
comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_8;
else if (xform->compress.level >= 4 &&
xform->compress.level <= 9)
comp_level = ICP_QAT_HW_COMPRESSION_DEPTH_16;
else {
QAT_LOG(ERR, "compression level not supported");
return -EINVAL;
}
req_par_flags = ICP_QAT_FW_COMP_REQ_PARAM_FLAGS_BUILD(
ICP_QAT_FW_COMP_SOP, ICP_QAT_FW_COMP_EOP,
ICP_QAT_FW_COMP_BFINAL, ICP_QAT_FW_COMP_CNV,
ICP_QAT_FW_COMP_CNV_RECOVERY);
}
switch (xform->compress.algo) {
case RTE_COMP_ALGO_DEFLATE:
algo = ICP_QAT_HW_COMPRESSION_ALGO_DEFLATE;
break;
case RTE_COMP_ALGO_LZS:
default:
/* RTE_COMP_NULL */
QAT_LOG(ERR, "compression algorithm not supported");
return -EINVAL;
}
comp_req = &qat_xform->qat_comp_req_tmpl;
/* Initialize header */
qat_comp_create_req_hdr(&comp_req->comn_hdr,
qat_xform->qat_comp_request_type);
if (op_type == RTE_COMP_OP_STATEFUL) {
comp_req->comn_hdr.serv_specif_flags =
ICP_QAT_FW_COMP_FLAGS_BUILD(
ICP_QAT_FW_COMP_STATEFUL_SESSION,
ICP_QAT_FW_COMP_NOT_AUTO_SELECT_BEST,
ICP_QAT_FW_COMP_NOT_ENH_AUTO_SELECT_BEST,
ICP_QAT_FW_COMP_NOT_DISABLE_TYPE0_ENH_AUTO_SELECT_BEST,
ICP_QAT_FW_COMP_ENABLE_SECURE_RAM_USED_AS_INTMD_BUF);
/* Decompression state registers */
comp_req->comp_cd_ctrl.comp_state_addr =
stream->state_registers_decomp_phys;
/* Enable A, B, C, D, and E (CAMs). */
comp_req->comp_cd_ctrl.ram_bank_flags =
ICP_QAT_FW_COMP_RAM_FLAGS_BUILD(
ICP_QAT_FW_COMP_BANK_DISABLED, /* Bank I */
ICP_QAT_FW_COMP_BANK_DISABLED, /* Bank H */
ICP_QAT_FW_COMP_BANK_DISABLED, /* Bank G */
ICP_QAT_FW_COMP_BANK_DISABLED, /* Bank F */
ICP_QAT_FW_COMP_BANK_ENABLED, /* Bank E */
ICP_QAT_FW_COMP_BANK_ENABLED, /* Bank D */
ICP_QAT_FW_COMP_BANK_ENABLED, /* Bank C */
ICP_QAT_FW_COMP_BANK_ENABLED, /* Bank B */
ICP_QAT_FW_COMP_BANK_ENABLED); /* Bank A */
comp_req->comp_cd_ctrl.ram_banks_addr =
stream->inflate_context_phys;
} else {
comp_req->comn_hdr.serv_specif_flags =
ICP_QAT_FW_COMP_FLAGS_BUILD(
ICP_QAT_FW_COMP_STATELESS_SESSION,
ICP_QAT_FW_COMP_NOT_AUTO_SELECT_BEST,
ICP_QAT_FW_COMP_NOT_ENH_AUTO_SELECT_BEST,
ICP_QAT_FW_COMP_NOT_DISABLE_TYPE0_ENH_AUTO_SELECT_BEST,
ICP_QAT_FW_COMP_ENABLE_SECURE_RAM_USED_AS_INTMD_BUF);
}
comp_req->cd_pars.sl.comp_slice_cfg_word[0] =
ICP_QAT_HW_COMPRESSION_CONFIG_BUILD(
direction,
/* In CPM 1.6 only valid mode ! */
ICP_QAT_HW_COMPRESSION_DELAYED_MATCH_ENABLED, algo,
/* Translate level to depth */
comp_level, ICP_QAT_HW_COMPRESSION_FILE_TYPE_0);
comp_req->comp_pars.initial_adler = 1;
comp_req->comp_pars.initial_crc32 = 0;
comp_req->comp_pars.req_par_flags = req_par_flags;
if (qat_xform->qat_comp_request_type ==
QAT_COMP_REQUEST_FIXED_COMP_STATELESS ||
qat_xform->qat_comp_request_type == QAT_COMP_REQUEST_DECOMPRESS) {
ICP_QAT_FW_COMN_NEXT_ID_SET(&comp_req->comp_cd_ctrl,
ICP_QAT_FW_SLICE_DRAM_WR);
ICP_QAT_FW_COMN_CURR_ID_SET(&comp_req->comp_cd_ctrl,
ICP_QAT_FW_SLICE_COMP);
} else if (qat_xform->qat_comp_request_type ==
QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS) {
ICP_QAT_FW_COMN_NEXT_ID_SET(&comp_req->comp_cd_ctrl,
ICP_QAT_FW_SLICE_XLAT);
ICP_QAT_FW_COMN_CURR_ID_SET(&comp_req->comp_cd_ctrl,
ICP_QAT_FW_SLICE_COMP);
ICP_QAT_FW_COMN_NEXT_ID_SET(&comp_req->u2.xlt_cd_ctrl,
ICP_QAT_FW_SLICE_DRAM_WR);
ICP_QAT_FW_COMN_CURR_ID_SET(&comp_req->u2.xlt_cd_ctrl,
ICP_QAT_FW_SLICE_XLAT);
comp_req->u1.xlt_pars.inter_buff_ptr =
interm_buff_mz->phys_addr;
}
#if RTE_LOG_DP_LEVEL >= RTE_LOG_DEBUG
QAT_DP_HEXDUMP_LOG(DEBUG, "qat compression message template:", comp_req,
sizeof(struct icp_qat_fw_comp_req));
#endif
return 0;
}
/**
* Create driver private_xform data.
*
* @param dev
* Compressdev device
* @param xform
* xform data from application
* @param private_xform
* ptr where handle of pmd's private_xform data should be stored
* @return
* - if successful returns 0
* and valid private_xform handle
* - <0 in error cases
* - Returns -EINVAL if input parameters are invalid.
* - Returns -ENOTSUP if comp device does not support the comp transform.
* - Returns -ENOMEM if the private_xform could not be allocated.
*/
int
qat_comp_private_xform_create(struct rte_compressdev *dev,
const struct rte_comp_xform *xform,
void **private_xform)
{
struct qat_comp_dev_private *qat = dev->data->dev_private;
if (unlikely(private_xform == NULL)) {
QAT_LOG(ERR, "QAT: private_xform parameter is NULL");
return -EINVAL;
}
if (unlikely(qat->xformpool == NULL)) {
QAT_LOG(ERR, "QAT device has no private_xform mempool");
return -ENOMEM;
}
if (rte_mempool_get(qat->xformpool, private_xform)) {
QAT_LOG(ERR, "Couldn't get object from qat xform mempool");
return -ENOMEM;
}
struct qat_comp_xform *qat_xform =
(struct qat_comp_xform *)*private_xform;
if (xform->type == RTE_COMP_COMPRESS) {
if (xform->compress.deflate.huffman == RTE_COMP_HUFFMAN_FIXED ||
((xform->compress.deflate.huffman == RTE_COMP_HUFFMAN_DEFAULT)
&& qat->interm_buff_mz == NULL))
qat_xform->qat_comp_request_type =
QAT_COMP_REQUEST_FIXED_COMP_STATELESS;
else if ((xform->compress.deflate.huffman ==
RTE_COMP_HUFFMAN_DYNAMIC ||
xform->compress.deflate.huffman ==
RTE_COMP_HUFFMAN_DEFAULT) &&
qat->interm_buff_mz != NULL)
qat_xform->qat_comp_request_type =
QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS;
else {
QAT_LOG(ERR,
"IM buffers needed for dynamic deflate. Set size in config file");
return -EINVAL;
}
qat_xform->checksum_type = xform->compress.chksum;
} else {
qat_xform->qat_comp_request_type = QAT_COMP_REQUEST_DECOMPRESS;
qat_xform->checksum_type = xform->decompress.chksum;
}
if (qat_comp_create_templates(qat_xform, qat->interm_buff_mz, xform,
NULL, RTE_COMP_OP_STATELESS)) {
QAT_LOG(ERR, "QAT: Problem with setting compression");
return -EINVAL;
}
return 0;
}
/**
* Free driver private_xform data.
*
* @param dev
* Compressdev device
* @param private_xform
* handle of pmd's private_xform data
* @return
* - 0 if successful
* - <0 in error cases
* - Returns -EINVAL if input parameters are invalid.
*/
int
qat_comp_private_xform_free(struct rte_compressdev *dev __rte_unused,
void *private_xform)
{
struct qat_comp_xform *qat_xform =
(struct qat_comp_xform *)private_xform;
if (qat_xform) {
memset(qat_xform, 0, qat_comp_xform_size());
struct rte_mempool *mp = rte_mempool_from_obj(qat_xform);
rte_mempool_put(mp, qat_xform);
return 0;
}
return -EINVAL;
}
/**
* Reset stream state for the next use.
*
* @param stream
* handle of pmd's private stream data
*/
static void
qat_comp_stream_reset(struct qat_comp_stream *stream)
{
if (stream) {
memset(&stream->qat_xform, 0, sizeof(struct qat_comp_xform));
stream->start_of_packet = 1;
stream->op_in_progress = 0;
}
}
/**
* Create driver private stream data.
*
* @param dev
* Compressdev device
* @param xform
* xform data
* @param stream
* ptr where handle of pmd's private stream data should be stored
* @return
* - Returns 0 if private stream structure has been created successfully.
* - Returns -EINVAL if input parameters are invalid.
* - Returns -ENOTSUP if comp device does not support STATEFUL operations.
* - Returns -ENOTSUP if comp device does not support the comp transform.
* - Returns -ENOMEM if the private stream could not be allocated.
*/
int
qat_comp_stream_create(struct rte_compressdev *dev,
const struct rte_comp_xform *xform,
void **stream)
{
struct qat_comp_dev_private *qat = dev->data->dev_private;
struct qat_comp_stream *ptr;
if (unlikely(stream == NULL)) {
QAT_LOG(ERR, "QAT: stream parameter is NULL");
return -EINVAL;
}
if (unlikely(xform->type == RTE_COMP_COMPRESS)) {
QAT_LOG(ERR, "QAT: stateful compression not supported");
return -ENOTSUP;
}
if (unlikely(qat->streampool == NULL)) {
QAT_LOG(ERR, "QAT device has no stream mempool");
return -ENOMEM;
}
if (rte_mempool_get(qat->streampool, stream)) {
QAT_LOG(ERR, "Couldn't get object from qat stream mempool");
return -ENOMEM;
}
ptr = (struct qat_comp_stream *) *stream;
qat_comp_stream_reset(ptr);
ptr->qat_xform.qat_comp_request_type = QAT_COMP_REQUEST_DECOMPRESS;
ptr->qat_xform.checksum_type = xform->decompress.chksum;
if (qat_comp_create_templates(&ptr->qat_xform, qat->interm_buff_mz,
xform, ptr, RTE_COMP_OP_STATEFUL)) {
QAT_LOG(ERR, "QAT: problem with creating descriptor template for stream");
rte_mempool_put(qat->streampool, *stream);
*stream = NULL;
return -EINVAL;
}
return 0;
}
/**
* Free driver private stream data.
*
* @param dev
* Compressdev device
* @param stream
* handle of pmd's private stream data
* @return
* - 0 if successful
* - <0 in error cases
* - Returns -EINVAL if input parameters are invalid.
* - Returns -ENOTSUP if comp device does not support STATEFUL operations.
* - Returns -EBUSY if can't free stream as there are inflight operations
*/
int
qat_comp_stream_free(struct rte_compressdev *dev, void *stream)
{
if (stream) {
struct qat_comp_dev_private *qat = dev->data->dev_private;
qat_comp_stream_reset((struct qat_comp_stream *) stream);
rte_mempool_put(qat->streampool, stream);
return 0;
}
return -EINVAL;
}
Reference in New Issue View Git Blame Copy Permalink