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qat_comp.c
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qat_comp.c
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/* 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 <rte_memzone.h>
#include "qat_logs.h"
#include "qat_comp.h"
#include "qat_comp_pmd.h"
static void
qat_comp_fallback_to_fixed(struct icp_qat_fw_comp_req *comp_req)
{
QAT_DP_LOG(DEBUG, "QAT PMD: 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);
}
void
qat_comp_free_split_op_memzones(struct qat_comp_op_cookie *cookie,
unsigned int nb_children)
{
unsigned int i;
/* free all memzones allocated for child descriptors */
for (i = 0; i < nb_children; i++)
rte_memzone_free(cookie->dst_memzones[i]);
/* and free the pointer table */
rte_free(cookie->dst_memzones);
cookie->dst_memzones = NULL;
}
static int
qat_comp_allocate_split_op_memzones(struct qat_comp_op_cookie *cookie,
unsigned int nb_descriptors_needed)
{
struct qat_queue *txq = &(cookie->qp->tx_q);
char dst_memz_name[RTE_MEMZONE_NAMESIZE];
unsigned int i;
/* allocate the array of memzone pointers */
cookie->dst_memzones = rte_zmalloc_socket("qat PMD im buf mz pointers",
(nb_descriptors_needed - 1) *
sizeof(const struct rte_memzone *),
RTE_CACHE_LINE_SIZE, cookie->socket_id);
if (cookie->dst_memzones == NULL) {
QAT_DP_LOG(ERR,
"QAT PMD: failed to allocate im buf mz pointers");
return -ENOMEM;
}
for (i = 0; i < nb_descriptors_needed - 1; i++) {
snprintf(dst_memz_name,
sizeof(dst_memz_name),
"dst_%u_%u_%u_%u_%u",
cookie->qp->qat_dev->qat_dev_id,
txq->hw_bundle_number, txq->hw_queue_number,
cookie->cookie_index, i);
cookie->dst_memzones[i] = rte_memzone_reserve_aligned(
dst_memz_name, RTE_PMD_QAT_COMP_IM_BUFFER_SIZE,
cookie->socket_id, RTE_MEMZONE_IOVA_CONTIG,
RTE_CACHE_LINE_SIZE);
if (cookie->dst_memzones[i] == NULL) {
QAT_DP_LOG(ERR,
"QAT PMD: failed to allocate dst buffer memzone");
/* let's free all memzones allocated up to now */
qat_comp_free_split_op_memzones(cookie, i);
return -ENOMEM;
}
}
return 0;
}
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 (likely(qat_xform->qat_comp_request_type ==
QAT_COMP_REQUEST_DYNAMIC_COMP_STATELESS)) {
if (unlikely(op->src.length > QAT_FALLBACK_THLD)) {
/* the operation must be split into pieces */
if (qat_xform->checksum_type !=
RTE_COMP_CHECKSUM_NONE) {
/* fallback to fixed compression in case any
* checksum calculation was requested
*/
qat_comp_fallback_to_fixed(comp_req);
} else {
/* calculate num. of descriptors for split op */
unsigned int nb_descriptors_needed =
op->src.length / QAT_FALLBACK_THLD + 1;
/* allocate memzone for output data */
if (qat_comp_allocate_split_op_memzones(
cookie, nb_descriptors_needed)) {
/* out of memory, fallback to fixed */
qat_comp_fallback_to_fixed(comp_req);
} else {
QAT_DP_LOG(DEBUG,
"Input data is too big, op must be split into %u descriptors",
nb_descriptors_needed);
return (int) nb_descriptors_needed;
}
}
}
/* set BFINAL bit according to flush_flag */
comp_req->comp_pars.req_par_flags =
ICP_QAT_FW_COMP_REQ_PARAM_FLAGS_BUILD(
ICP_QAT_FW_COMP_SOP,
ICP_QAT_FW_COMP_EOP,
op->flush_flag == RTE_COMP_FLUSH_FINAL ?
ICP_QAT_FW_COMP_BFINAL
: ICP_QAT_FW_COMP_NOT_BFINAL,
ICP_QAT_FW_COMP_CNV,
ICP_QAT_FW_COMP_CNV_RECOVERY);
} else 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_CNV,
ICP_QAT_FW_COMP_CNV_RECOVERY);
}
/* 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_iova_offset(op->m_src, op->src.offset);
comp_req->comn_mid.dest_data_addr =
rte_pktmbuf_iova_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;
}
static inline uint32_t adf_modulo(uint32_t data, uint32_t modulo_mask)
{
return data & modulo_mask;
}
static inline void
qat_comp_mbuf_skip(struct rte_mbuf **mbuf, uint32_t *offset, uint32_t len)
{
while (*offset + len >= rte_pktmbuf_data_len(*mbuf)) {
len -= (rte_pktmbuf_data_len(*mbuf) - *offset);
*mbuf = (*mbuf)->next;
*offset = 0;
}
*offset = len;
}
int
qat_comp_build_multiple_requests(void *in_op, struct qat_qp *qp,
uint32_t parent_tail, int nb_descr)
{
struct rte_comp_op op_backup;
struct rte_mbuf dst_mbuf;
struct rte_comp_op *op = in_op;
struct qat_queue *txq = &(qp->tx_q);
uint8_t *base_addr = (uint8_t *)txq->base_addr;
uint8_t *out_msg = base_addr + parent_tail;
uint32_t tail = parent_tail;
struct icp_qat_fw_comp_req *comp_req =
(struct icp_qat_fw_comp_req *)out_msg;
struct qat_comp_op_cookie *parent_cookie =
(struct qat_comp_op_cookie *)
qp->op_cookies[parent_tail / txq->msg_size];
struct qat_comp_op_cookie *child_cookie;
uint16_t dst_data_size =
RTE_MIN(RTE_PMD_QAT_COMP_IM_BUFFER_SIZE, 65535);
uint32_t data_to_enqueue = op->src.length - QAT_FALLBACK_THLD;
int num_descriptors_built = 1;
int ret;
QAT_DP_LOG(DEBUG, "op %p, parent_cookie %p", op, parent_cookie);
/* copy original op to the local variable for restoring later */
rte_memcpy(&op_backup, op, sizeof(op_backup));
parent_cookie->nb_child_responses = 0;
parent_cookie->nb_children = 0;
parent_cookie->split_op = 1;
parent_cookie->dst_data = op->m_dst;
parent_cookie->dst_data_offset = op->dst.offset;
op->src.length = QAT_FALLBACK_THLD;
op->flush_flag = RTE_COMP_FLUSH_FULL;
QAT_DP_LOG(DEBUG, "parent op src len %u dst len %u",
op->src.length, op->m_dst->pkt_len);
ret = qat_comp_build_request(in_op, out_msg, parent_cookie,
qp->qat_dev_gen);
if (ret != 0) {
/* restore op and clear cookie */
QAT_DP_LOG(WARNING, "Failed to build parent descriptor");
op->src.length = op_backup.src.length;
op->flush_flag = op_backup.flush_flag;
parent_cookie->split_op = 0;
return ret;
}
/* prepare local dst mbuf */
rte_memcpy(&dst_mbuf, op->m_dst, sizeof(dst_mbuf));
rte_pktmbuf_reset(&dst_mbuf);
dst_mbuf.buf_len = dst_data_size;
dst_mbuf.data_len = dst_data_size;
dst_mbuf.pkt_len = dst_data_size;
dst_mbuf.data_off = 0;
/* update op for the child operations */
op->m_dst = &dst_mbuf;
op->dst.offset = 0;
while (data_to_enqueue) {
const struct rte_memzone *mz =
parent_cookie->dst_memzones[num_descriptors_built - 1];
uint32_t src_data_size = RTE_MIN(data_to_enqueue,
QAT_FALLBACK_THLD);
uint32_t cookie_index;
/* update params for the next op */
op->src.offset += QAT_FALLBACK_THLD;
op->src.length = src_data_size;
op->flush_flag = (src_data_size == data_to_enqueue) ?
op_backup.flush_flag : RTE_COMP_FLUSH_FULL;
/* update dst mbuf for the next op (use memzone for dst data) */
dst_mbuf.buf_addr = mz->addr;
dst_mbuf.buf_iova = mz->iova;
/* move the tail and calculate next cookie index */
tail = adf_modulo(tail + txq->msg_size, txq->modulo_mask);
cookie_index = tail / txq->msg_size;
child_cookie = (struct qat_comp_op_cookie *)
qp->op_cookies[cookie_index];
comp_req = (struct icp_qat_fw_comp_req *)(base_addr + tail);
/* update child cookie */
child_cookie->split_op = 1; /* must be set for child as well */
child_cookie->parent_cookie = parent_cookie; /* same as above */
child_cookie->nb_children = 0;
child_cookie->dest_buffer = mz->addr;
QAT_DP_LOG(DEBUG,
"cookie_index %u, child_cookie %p, comp_req %p",
cookie_index, child_cookie, comp_req);
QAT_DP_LOG(DEBUG,
"data_to_enqueue %u, num_descriptors_built %d",
data_to_enqueue, num_descriptors_built);
QAT_DP_LOG(DEBUG, "child op src len %u dst len %u",
op->src.length, op->m_dst->pkt_len);
/* build the request */
ret = qat_comp_build_request(op, (uint8_t *)comp_req,
child_cookie, qp->qat_dev_gen);
if (ret < 0) {
QAT_DP_LOG(WARNING, "Failed to build child descriptor");
/* restore op and clear cookie */
rte_memcpy(op, &op_backup, sizeof(op_backup));
parent_cookie->split_op = 0;
parent_cookie->nb_children = 0;
return ret;
}
data_to_enqueue -= src_data_size;
num_descriptors_built++;
}
/* restore backed up original op */
rte_memcpy(op, &op_backup, sizeof(op_backup));
if (nb_descr != num_descriptors_built)
QAT_DP_LOG(ERR, "split op. expected %d, built %d",
nb_descr, num_descriptors_built);
parent_cookie->nb_children = num_descriptors_built - 1;
return num_descriptors_built;
}
static inline void
qat_comp_response_data_copy(struct qat_comp_op_cookie *cookie,
struct rte_comp_op *rx_op)
{
struct qat_comp_op_cookie *pc = cookie->parent_cookie;
struct rte_mbuf *sgl_buf = pc->dst_data;
void *op_dst_addr = rte_pktmbuf_mtod_offset(sgl_buf, uint8_t *,
pc->dst_data_offset);
/* number of bytes left in the current segment */
uint32_t left_in_current = rte_pktmbuf_data_len(sgl_buf) -
pc->dst_data_offset;
uint32_t prod, sent;
if (rx_op->produced <= left_in_current) {
rte_memcpy(op_dst_addr, cookie->dest_buffer,
rx_op->produced);
/* calculate dst mbuf and offset for the next child op */
if (rx_op->produced == left_in_current) {
pc->dst_data = sgl_buf->next;
pc->dst_data_offset = 0;
} else
pc->dst_data_offset += rx_op->produced;
} else {
rte_memcpy(op_dst_addr, cookie->dest_buffer,
left_in_current);
sgl_buf = sgl_buf->next;
prod = rx_op->produced - left_in_current;
sent = left_in_current;
while (prod > rte_pktmbuf_data_len(sgl_buf)) {
op_dst_addr = rte_pktmbuf_mtod_offset(sgl_buf,
uint8_t *, 0);
rte_memcpy(op_dst_addr,
((uint8_t *)cookie->dest_buffer) +
sent,
rte_pktmbuf_data_len(sgl_buf));
prod -= rte_pktmbuf_data_len(sgl_buf);
sent += rte_pktmbuf_data_len(sgl_buf);
sgl_buf = sgl_buf->next;
}
op_dst_addr = rte_pktmbuf_mtod_offset(sgl_buf, uint8_t *, 0);
rte_memcpy(op_dst_addr,
((uint8_t *)cookie->dest_buffer) + sent,
prod);
/* calculate dst mbuf and offset for the next child op */
if (prod == rte_pktmbuf_data_len(sgl_buf)) {
pc->dst_data = sgl_buf->next;
pc->dst_data_offset = 0;
} else {
pc->dst_data = sgl_buf;
pc->dst_data_offset = prod;
}
}
}
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 icp_qat_fw_resp_comp_pars *comp_resp1 =
(struct icp_qat_fw_resp_comp_pars *)&resp_msg->comp_resp_pars;
QAT_DP_LOG(DEBUG, "input counter = %u, output counter = %u",
comp_resp1->input_byte_counter,
comp_resp1->output_byte_counter);
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;
/* also in this case number of returned ops */
/* must be equal to one, */
/* appropriate status (error) must be set as well */
return 1;
}
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,
"This QAT hardware doesn't support compression operation");
++(*dequeue_err_count);
return 1;
}
}
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;
}
}
QAT_DP_LOG(DEBUG, "About to check for split op :cookies: %p %p, split:%u",
cookie, cookie->parent_cookie, cookie->split_op);
if (cookie->split_op) {
*op = NULL;
struct qat_comp_op_cookie *pc = cookie->parent_cookie;
if (cookie->nb_children > 0) {
QAT_DP_LOG(DEBUG, "Parent");
/* parent - don't return until all children
* responses are collected
*/
cookie->total_consumed = rx_op->consumed;
cookie->total_produced = rx_op->produced;
if (err) {
cookie->error = rx_op->status;
rx_op->status = RTE_COMP_OP_STATUS_SUCCESS;
} else {
/* calculate dst mbuf and offset for child op */
qat_comp_mbuf_skip(&cookie->dst_data,
&cookie->dst_data_offset,
rx_op->produced);
}
} else {
QAT_DP_LOG(DEBUG, "Child");
if (pc->error == RTE_COMP_OP_STATUS_SUCCESS) {
if (err)
pc->error = rx_op->status;
if (rx_op->produced) {
/* this covers both SUCCESS and
* OUT_OF_SPACE_RECOVERABLE cases
*/
qat_comp_response_data_copy(cookie,
rx_op);
pc->total_consumed += rx_op->consumed;
pc->total_produced += rx_op->produced;
}
}
rx_op->status = RTE_COMP_OP_STATUS_SUCCESS;
pc->nb_child_responses++;
/* (child) cookie fields have to be reset
* to avoid problems with reusability -
* rx and tx queue starting from index zero
*/
cookie->nb_children = 0;
cookie->split_op = 0;
cookie->nb_child_responses = 0;
cookie->dest_buffer = NULL;
if (pc->nb_child_responses == pc->nb_children) {
uint8_t child_resp;
/* parent should be included as well */
child_resp = pc->nb_child_responses + 1;
rx_op->status = pc->error;
rx_op->consumed = pc->total_consumed;
rx_op->produced = pc->total_produced;
*op = (void *)rx_op;
/* free memzones used for dst data */
qat_comp_free_split_op_memzones(pc,
pc->nb_children);
/* (parent) cookie fields have to be reset
* to avoid problems with reusability -
* rx and tx queue starting from index zero
*/
pc->nb_children = 0;
pc->split_op = 0;
pc->nb_child_responses = 0;
pc->error = RTE_COMP_OP_STATUS_SUCCESS;
return child_resp;
}
}
return 0;
}
*op = (void *)rx_op;
return 1;
}
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_CNV,
ICP_QAT_FW_COMP_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->iova;
}
#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");