diff options
author | 2018-08-14 18:52:30 +0100 | |
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committer | 2018-08-14 18:53:17 +0100 | |
commit | b63264c8342e6a1b6971c79550d2af2024b6a4de (patch) | |
tree | 83114aac64286fe616506c0b3dfaec2ab86ef835 /drivers/crypto/qat/qat_qp.c | |
parent | ca33590b6af032bff57d9cc70455660466a654b2 (diff) |
New upstream version 18.08upstream/18.08
Change-Id: I32fdf5e5016556d9c0a6d88ddaf1fc468961790a
Signed-off-by: Luca Boccassi <luca.boccassi@gmail.com>
Diffstat (limited to 'drivers/crypto/qat/qat_qp.c')
-rw-r--r-- | drivers/crypto/qat/qat_qp.c | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/drivers/crypto/qat/qat_qp.c b/drivers/crypto/qat/qat_qp.c deleted file mode 100644 index 87b9ce0b..00000000 --- a/drivers/crypto/qat/qat_qp.c +++ /dev/null @@ -1,470 +0,0 @@ -/* SPDX-License-Identifier: BSD-3-Clause - * Copyright(c) 2010-2015 Intel Corporation - */ - -#include <rte_common.h> -#include <rte_dev.h> -#include <rte_malloc.h> -#include <rte_memzone.h> -#include <rte_cryptodev_pmd.h> -#include <rte_pci.h> -#include <rte_bus_pci.h> -#include <rte_atomic.h> -#include <rte_prefetch.h> - -#include "qat_logs.h" -#include "qat_crypto.h" -#include "qat_algs.h" -#include "adf_transport_access_macros.h" - -#define ADF_MAX_SYM_DESC 4096 -#define ADF_MIN_SYM_DESC 128 -#define ADF_SYM_TX_RING_DESC_SIZE 128 -#define ADF_SYM_RX_RING_DESC_SIZE 32 -#define ADF_SYM_TX_QUEUE_STARTOFF 2 -/* Offset from bundle start to 1st Sym Tx queue */ -#define ADF_SYM_RX_QUEUE_STARTOFF 10 -#define ADF_ARB_REG_SLOT 0x1000 -#define ADF_ARB_RINGSRVARBEN_OFFSET 0x19C - -#define WRITE_CSR_ARB_RINGSRVARBEN(csr_addr, index, value) \ - ADF_CSR_WR(csr_addr, ADF_ARB_RINGSRVARBEN_OFFSET + \ - (ADF_ARB_REG_SLOT * index), value) - -static int qat_qp_check_queue_alignment(uint64_t phys_addr, - uint32_t queue_size_bytes); -static int qat_tx_queue_create(struct rte_cryptodev *dev, - struct qat_queue *queue, uint8_t id, uint32_t nb_desc, - int socket_id); -static int qat_rx_queue_create(struct rte_cryptodev *dev, - struct qat_queue *queue, uint8_t id, uint32_t nb_desc, - int socket_id); -static void qat_queue_delete(struct qat_queue *queue); -static int qat_queue_create(struct rte_cryptodev *dev, - struct qat_queue *queue, uint32_t nb_desc, uint8_t desc_size, - int socket_id); -static int adf_verify_queue_size(uint32_t msg_size, uint32_t msg_num, - uint32_t *queue_size_for_csr); -static void adf_configure_queues(struct qat_qp *queue); -static void adf_queue_arb_enable(struct qat_queue *txq, void *base_addr); -static void adf_queue_arb_disable(struct qat_queue *txq, void *base_addr); - -static const struct rte_memzone * -queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size, - int socket_id) -{ - const struct rte_memzone *mz; - unsigned memzone_flags = 0; - const struct rte_memseg *ms; - - PMD_INIT_FUNC_TRACE(); - mz = rte_memzone_lookup(queue_name); - if (mz != 0) { - if (((size_t)queue_size <= mz->len) && - ((socket_id == SOCKET_ID_ANY) || - (socket_id == mz->socket_id))) { - PMD_DRV_LOG(DEBUG, "re-use memzone already " - "allocated for %s", queue_name); - return mz; - } - - PMD_DRV_LOG(ERR, "Incompatible memzone already " - "allocated %s, size %u, socket %d. " - "Requested size %u, socket %u", - queue_name, (uint32_t)mz->len, - mz->socket_id, queue_size, socket_id); - return NULL; - } - - PMD_DRV_LOG(DEBUG, "Allocate memzone for %s, size %u on socket %u", - queue_name, queue_size, socket_id); - ms = rte_eal_get_physmem_layout(); - switch (ms[0].hugepage_sz) { - case(RTE_PGSIZE_2M): - memzone_flags = RTE_MEMZONE_2MB; - break; - case(RTE_PGSIZE_1G): - memzone_flags = RTE_MEMZONE_1GB; - break; - case(RTE_PGSIZE_16M): - memzone_flags = RTE_MEMZONE_16MB; - break; - case(RTE_PGSIZE_16G): - memzone_flags = RTE_MEMZONE_16GB; - break; - default: - memzone_flags = RTE_MEMZONE_SIZE_HINT_ONLY; - } - return rte_memzone_reserve_aligned(queue_name, queue_size, socket_id, - memzone_flags, queue_size); -} - -int qat_crypto_sym_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id, - const struct rte_cryptodev_qp_conf *qp_conf, - int socket_id, struct rte_mempool *session_pool __rte_unused) -{ - struct qat_qp *qp; - struct rte_pci_device *pci_dev; - int ret; - char op_cookie_pool_name[RTE_RING_NAMESIZE]; - uint32_t i; - - PMD_INIT_FUNC_TRACE(); - - /* If qp is already in use free ring memory and qp metadata. */ - if (dev->data->queue_pairs[queue_pair_id] != NULL) { - ret = qat_crypto_sym_qp_release(dev, queue_pair_id); - if (ret < 0) - return ret; - } - - if ((qp_conf->nb_descriptors > ADF_MAX_SYM_DESC) || - (qp_conf->nb_descriptors < ADF_MIN_SYM_DESC)) { - PMD_DRV_LOG(ERR, "Can't create qp for %u descriptors", - qp_conf->nb_descriptors); - return -EINVAL; - } - - pci_dev = RTE_DEV_TO_PCI(dev->device); - - if (pci_dev->mem_resource[0].addr == NULL) { - PMD_DRV_LOG(ERR, "Could not find VF config space " - "(UIO driver attached?)."); - return -EINVAL; - } - - if (queue_pair_id >= - (ADF_NUM_SYM_QPS_PER_BUNDLE * - ADF_NUM_BUNDLES_PER_DEV)) { - PMD_DRV_LOG(ERR, "qp_id %u invalid for this device", - queue_pair_id); - return -EINVAL; - } - /* Allocate the queue pair data structure. */ - qp = rte_zmalloc("qat PMD qp metadata", - sizeof(*qp), RTE_CACHE_LINE_SIZE); - if (qp == NULL) { - PMD_DRV_LOG(ERR, "Failed to alloc mem for qp struct"); - return -ENOMEM; - } - qp->nb_descriptors = qp_conf->nb_descriptors; - qp->op_cookies = rte_zmalloc("qat PMD op cookie pointer", - qp_conf->nb_descriptors * sizeof(*qp->op_cookies), - RTE_CACHE_LINE_SIZE); - if (qp->op_cookies == NULL) { - PMD_DRV_LOG(ERR, "Failed to alloc mem for cookie"); - rte_free(qp); - return -ENOMEM; - } - - qp->mmap_bar_addr = pci_dev->mem_resource[0].addr; - qp->inflights16 = 0; - - if (qat_tx_queue_create(dev, &(qp->tx_q), - queue_pair_id, qp_conf->nb_descriptors, socket_id) != 0) { - PMD_INIT_LOG(ERR, "Tx queue create failed " - "queue_pair_id=%u", queue_pair_id); - goto create_err; - } - - if (qat_rx_queue_create(dev, &(qp->rx_q), - queue_pair_id, qp_conf->nb_descriptors, socket_id) != 0) { - PMD_DRV_LOG(ERR, "Rx queue create failed " - "queue_pair_id=%hu", queue_pair_id); - qat_queue_delete(&(qp->tx_q)); - goto create_err; - } - - adf_configure_queues(qp); - adf_queue_arb_enable(&qp->tx_q, qp->mmap_bar_addr); - snprintf(op_cookie_pool_name, RTE_RING_NAMESIZE, "%s_qp_op_%d_%hu", - pci_dev->driver->driver.name, dev->data->dev_id, - queue_pair_id); - - qp->op_cookie_pool = rte_mempool_lookup(op_cookie_pool_name); - if (qp->op_cookie_pool == NULL) - qp->op_cookie_pool = rte_mempool_create(op_cookie_pool_name, - qp->nb_descriptors, - sizeof(struct qat_crypto_op_cookie), 64, 0, - NULL, NULL, NULL, NULL, socket_id, - 0); - if (!qp->op_cookie_pool) { - PMD_DRV_LOG(ERR, "QAT PMD Cannot create" - " op mempool"); - goto create_err; - } - - for (i = 0; i < qp->nb_descriptors; i++) { - if (rte_mempool_get(qp->op_cookie_pool, &qp->op_cookies[i])) { - PMD_DRV_LOG(ERR, "QAT PMD Cannot get op_cookie"); - goto create_err; - } - - struct qat_crypto_op_cookie *sql_cookie = - qp->op_cookies[i]; - - sql_cookie->qat_sgl_src_phys_addr = - rte_mempool_virt2iova(sql_cookie) + - offsetof(struct qat_crypto_op_cookie, - qat_sgl_list_src); - - sql_cookie->qat_sgl_dst_phys_addr = - rte_mempool_virt2iova(sql_cookie) + - offsetof(struct qat_crypto_op_cookie, - qat_sgl_list_dst); - } - - struct qat_pmd_private *internals - = dev->data->dev_private; - qp->qat_dev_gen = internals->qat_dev_gen; - - dev->data->queue_pairs[queue_pair_id] = qp; - return 0; - -create_err: - if (qp->op_cookie_pool) - rte_mempool_free(qp->op_cookie_pool); - rte_free(qp->op_cookies); - rte_free(qp); - return -EFAULT; -} - -int qat_crypto_sym_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id) -{ - struct qat_qp *qp = - (struct qat_qp *)dev->data->queue_pairs[queue_pair_id]; - uint32_t i; - - PMD_INIT_FUNC_TRACE(); - if (qp == NULL) { - PMD_DRV_LOG(DEBUG, "qp already freed"); - return 0; - } - - /* Don't free memory if there are still responses to be processed */ - if (qp->inflights16 == 0) { - qat_queue_delete(&(qp->tx_q)); - qat_queue_delete(&(qp->rx_q)); - } else { - return -EAGAIN; - } - - adf_queue_arb_disable(&(qp->tx_q), qp->mmap_bar_addr); - - for (i = 0; i < qp->nb_descriptors; i++) - rte_mempool_put(qp->op_cookie_pool, qp->op_cookies[i]); - - if (qp->op_cookie_pool) - rte_mempool_free(qp->op_cookie_pool); - - rte_free(qp->op_cookies); - rte_free(qp); - dev->data->queue_pairs[queue_pair_id] = NULL; - return 0; -} - -static int qat_tx_queue_create(struct rte_cryptodev *dev, - struct qat_queue *queue, uint8_t qp_id, - uint32_t nb_desc, int socket_id) -{ - PMD_INIT_FUNC_TRACE(); - queue->hw_bundle_number = qp_id/ADF_NUM_SYM_QPS_PER_BUNDLE; - queue->hw_queue_number = (qp_id%ADF_NUM_SYM_QPS_PER_BUNDLE) + - ADF_SYM_TX_QUEUE_STARTOFF; - PMD_DRV_LOG(DEBUG, "TX ring for %u msgs: qp_id %d, bundle %u, ring %u", - nb_desc, qp_id, queue->hw_bundle_number, - queue->hw_queue_number); - - return qat_queue_create(dev, queue, nb_desc, - ADF_SYM_TX_RING_DESC_SIZE, socket_id); -} - -static int qat_rx_queue_create(struct rte_cryptodev *dev, - struct qat_queue *queue, uint8_t qp_id, uint32_t nb_desc, - int socket_id) -{ - PMD_INIT_FUNC_TRACE(); - queue->hw_bundle_number = qp_id/ADF_NUM_SYM_QPS_PER_BUNDLE; - queue->hw_queue_number = (qp_id%ADF_NUM_SYM_QPS_PER_BUNDLE) + - ADF_SYM_RX_QUEUE_STARTOFF; - - PMD_DRV_LOG(DEBUG, "RX ring for %u msgs: qp id %d, bundle %u, ring %u", - nb_desc, qp_id, queue->hw_bundle_number, - queue->hw_queue_number); - return qat_queue_create(dev, queue, nb_desc, - ADF_SYM_RX_RING_DESC_SIZE, socket_id); -} - -static void qat_queue_delete(struct qat_queue *queue) -{ - const struct rte_memzone *mz; - int status = 0; - - if (queue == NULL) { - PMD_DRV_LOG(DEBUG, "Invalid queue"); - return; - } - mz = rte_memzone_lookup(queue->memz_name); - if (mz != NULL) { - /* Write an unused pattern to the queue memory. */ - memset(queue->base_addr, 0x7F, queue->queue_size); - status = rte_memzone_free(mz); - if (status != 0) - PMD_DRV_LOG(ERR, "Error %d on freeing queue %s", - status, queue->memz_name); - } else { - PMD_DRV_LOG(DEBUG, "queue %s doesn't exist", - queue->memz_name); - } -} - -static int -qat_queue_create(struct rte_cryptodev *dev, struct qat_queue *queue, - uint32_t nb_desc, uint8_t desc_size, int socket_id) -{ - uint64_t queue_base; - void *io_addr; - const struct rte_memzone *qp_mz; - uint32_t queue_size_bytes = nb_desc*desc_size; - struct rte_pci_device *pci_dev; - - PMD_INIT_FUNC_TRACE(); - if (desc_size > ADF_MSG_SIZE_TO_BYTES(ADF_MAX_MSG_SIZE)) { - PMD_DRV_LOG(ERR, "Invalid descriptor size %d", desc_size); - return -EINVAL; - } - - pci_dev = RTE_DEV_TO_PCI(dev->device); - - /* - * Allocate a memzone for the queue - create a unique name. - */ - snprintf(queue->memz_name, sizeof(queue->memz_name), "%s_%s_%d_%d_%d", - pci_dev->driver->driver.name, "qp_mem", dev->data->dev_id, - queue->hw_bundle_number, queue->hw_queue_number); - qp_mz = queue_dma_zone_reserve(queue->memz_name, queue_size_bytes, - socket_id); - if (qp_mz == NULL) { - PMD_DRV_LOG(ERR, "Failed to allocate ring memzone"); - return -ENOMEM; - } - - queue->base_addr = (char *)qp_mz->addr; - queue->base_phys_addr = qp_mz->iova; - if (qat_qp_check_queue_alignment(queue->base_phys_addr, - queue_size_bytes)) { - PMD_DRV_LOG(ERR, "Invalid alignment on queue create " - " 0x%"PRIx64"\n", - queue->base_phys_addr); - return -EFAULT; - } - - if (adf_verify_queue_size(desc_size, nb_desc, &(queue->queue_size)) - != 0) { - PMD_DRV_LOG(ERR, "Invalid num inflights"); - return -EINVAL; - } - - queue->max_inflights = ADF_MAX_INFLIGHTS(queue->queue_size, - ADF_BYTES_TO_MSG_SIZE(desc_size)); - queue->modulo = ADF_RING_SIZE_MODULO(queue->queue_size); - PMD_DRV_LOG(DEBUG, "RING size in CSR: %u, in bytes %u, nb msgs %u," - " msg_size %u, max_inflights %u modulo %u", - queue->queue_size, queue_size_bytes, - nb_desc, desc_size, queue->max_inflights, - queue->modulo); - - if (queue->max_inflights < 2) { - PMD_DRV_LOG(ERR, "Invalid num inflights"); - return -EINVAL; - } - queue->head = 0; - queue->tail = 0; - queue->msg_size = desc_size; - - /* - * Write an unused pattern to the queue memory. - */ - memset(queue->base_addr, 0x7F, queue_size_bytes); - - queue_base = BUILD_RING_BASE_ADDR(queue->base_phys_addr, - queue->queue_size); - - io_addr = pci_dev->mem_resource[0].addr; - - WRITE_CSR_RING_BASE(io_addr, queue->hw_bundle_number, - queue->hw_queue_number, queue_base); - return 0; -} - -static int qat_qp_check_queue_alignment(uint64_t phys_addr, - uint32_t queue_size_bytes) -{ - PMD_INIT_FUNC_TRACE(); - if (((queue_size_bytes - 1) & phys_addr) != 0) - return -EINVAL; - return 0; -} - -static int adf_verify_queue_size(uint32_t msg_size, uint32_t msg_num, - uint32_t *p_queue_size_for_csr) -{ - uint8_t i = ADF_MIN_RING_SIZE; - - PMD_INIT_FUNC_TRACE(); - for (; i <= ADF_MAX_RING_SIZE; i++) - if ((msg_size * msg_num) == - (uint32_t)ADF_SIZE_TO_RING_SIZE_IN_BYTES(i)) { - *p_queue_size_for_csr = i; - return 0; - } - PMD_DRV_LOG(ERR, "Invalid ring size %d", msg_size * msg_num); - return -EINVAL; -} - -static void adf_queue_arb_enable(struct qat_queue *txq, void *base_addr) -{ - uint32_t arb_csr_offset = ADF_ARB_RINGSRVARBEN_OFFSET + - (ADF_ARB_REG_SLOT * - txq->hw_bundle_number); - uint32_t value; - - PMD_INIT_FUNC_TRACE(); - value = ADF_CSR_RD(base_addr, arb_csr_offset); - value |= (0x01 << txq->hw_queue_number); - ADF_CSR_WR(base_addr, arb_csr_offset, value); -} - -static void adf_queue_arb_disable(struct qat_queue *txq, void *base_addr) -{ - uint32_t arb_csr_offset = ADF_ARB_RINGSRVARBEN_OFFSET + - (ADF_ARB_REG_SLOT * - txq->hw_bundle_number); - uint32_t value; - - PMD_INIT_FUNC_TRACE(); - value = ADF_CSR_RD(base_addr, arb_csr_offset); - value ^= (0x01 << txq->hw_queue_number); - ADF_CSR_WR(base_addr, arb_csr_offset, value); -} - -static void adf_configure_queues(struct qat_qp *qp) -{ - uint32_t queue_config; - struct qat_queue *queue = &qp->tx_q; - - PMD_INIT_FUNC_TRACE(); - queue_config = BUILD_RING_CONFIG(queue->queue_size); - - WRITE_CSR_RING_CONFIG(qp->mmap_bar_addr, queue->hw_bundle_number, - queue->hw_queue_number, queue_config); - - queue = &qp->rx_q; - queue_config = - BUILD_RESP_RING_CONFIG(queue->queue_size, - ADF_RING_NEAR_WATERMARK_512, - ADF_RING_NEAR_WATERMARK_0); - - WRITE_CSR_RING_CONFIG(qp->mmap_bar_addr, queue->hw_bundle_number, - queue->hw_queue_number, queue_config); -} |