crypto/qat: remove dependencies on cryptodev from common
authorFiona Trahe <fiona.trahe@intel.com>
Wed, 13 Jun 2018 12:13:57 +0000 (14:13 +0200)
committerPablo de Lara <pablo.de.lara.guarch@intel.com>
Wed, 27 Jun 2018 23:25:33 +0000 (01:25 +0200)
Remove dependence on rte_cryptodev from common qp code
to facilitate being used by other device types in future.
Transferred required data into qat-specific structures.

Signed-off-by: Fiona Trahe <fiona.trahe@intel.com>
drivers/crypto/qat/qat_device.h
drivers/crypto/qat/qat_qp.c
drivers/crypto/qat/qat_qp.h
drivers/crypto/qat/qat_sym.c
drivers/crypto/qat/rte_qat_cryptodev.c

index 2cb8e76..64706ab 100644 (file)
@@ -14,7 +14,11 @@ extern uint8_t cryptodev_qat_driver_id;
 extern int qat_sym_qp_release(struct rte_cryptodev *dev,
        uint16_t queue_pair_id);
 
-/** private data structure for each QAT device */
+/** private data structure for each QAT device.
+ * In this context a QAT device is a device offering only one service,
+ * so there can be more than 1 device on a pci_dev (VF),
+ * one for symmetric crypto, one for compression
+ */
 struct qat_pmd_private {
        unsigned int max_nb_queue_pairs;
        /**< Max number of queue pairs supported by device */
@@ -23,6 +27,11 @@ struct qat_pmd_private {
        enum qat_device_gen qat_dev_gen;
        /**< QAT device generation */
        const struct rte_cryptodev_capabilities *qat_dev_capabilities;
+       /* QAT device capabilities */
+       struct rte_pci_device *pci_dev;
+       /**< PCI information. */
+       uint8_t dev_id;
+       /**< Device ID for this instance */
 };
 
 int qat_dev_config(struct rte_cryptodev *dev,
index d1d2be3..b831ab4 100644 (file)
@@ -6,7 +6,6 @@
 #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>
@@ -31,7 +30,7 @@
 static int qat_qp_check_queue_alignment(uint64_t phys_addr,
        uint32_t queue_size_bytes);
 static void qat_queue_delete(struct qat_queue *queue);
-static int qat_queue_create(struct rte_cryptodev *dev,
+static int qat_queue_create(struct qat_pmd_private *qat_dev,
        struct qat_queue *queue, struct qat_qp_config *, uint8_t dir);
 static int adf_verify_queue_size(uint32_t msg_size, uint32_t msg_num,
        uint32_t *queue_size_for_csr);
@@ -70,14 +69,19 @@ queue_dma_zone_reserve(const char *queue_name, uint32_t queue_size,
                socket_id, RTE_MEMZONE_IOVA_CONTIG, queue_size);
 }
 
-int qat_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
+int qat_qp_setup(struct qat_pmd_private *qat_dev,
+               struct qat_qp **qp_addr,
+               uint16_t queue_pair_id,
                struct qat_qp_config *qat_qp_conf)
+
 {
        struct qat_qp *qp;
-       struct rte_pci_device *pci_dev;
+       struct rte_pci_device *pci_dev = qat_dev->pci_dev;
        char op_cookie_pool_name[RTE_RING_NAMESIZE];
        uint32_t i;
 
+       PMD_DRV_LOG(DEBUG, "Setup qp %u on device %d gen %d",
+                       queue_pair_id, qat_dev->dev_id, qat_dev->qat_dev_gen);
 
        if ((qat_qp_conf->nb_descriptors > ADF_MAX_DESC) ||
                (qat_qp_conf->nb_descriptors < ADF_MIN_DESC)) {
@@ -86,8 +90,6 @@ int qat_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
                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?).");
@@ -114,14 +116,14 @@ int qat_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
        qp->mmap_bar_addr = pci_dev->mem_resource[0].addr;
        qp->inflights16 = 0;
 
-       if (qat_queue_create(dev, &(qp->tx_q), qat_qp_conf,
+       if (qat_queue_create(qat_dev, &(qp->tx_q), qat_qp_conf,
                                        ADF_RING_DIR_TX) != 0) {
                PMD_INIT_LOG(ERR, "Tx queue create failed "
                                "queue_pair_id=%u", queue_pair_id);
                goto create_err;
        }
 
-       if (qat_queue_create(dev, &(qp->rx_q), qat_qp_conf,
+       if (qat_queue_create(qat_dev, &(qp->rx_q), qat_qp_conf,
                                        ADF_RING_DIR_RX) != 0) {
                PMD_DRV_LOG(ERR, "Rx queue create failed "
                                "queue_pair_id=%hu", queue_pair_id);
@@ -134,7 +136,7 @@ int qat_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
 
        snprintf(op_cookie_pool_name, RTE_RING_NAMESIZE, "%s_%s_qp_op_%d_%hu",
                pci_dev->driver->driver.name, qat_qp_conf->service_str,
-               dev->data->dev_id, queue_pair_id);
+               qat_dev->dev_id, queue_pair_id);
 
        qp->op_cookie_pool = rte_mempool_lookup(op_cookie_pool_name);
        if (qp->op_cookie_pool == NULL)
@@ -156,13 +158,15 @@ int qat_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
                }
        }
 
-       struct qat_pmd_private *internals
-               = dev->data->dev_private;
-       qp->qat_dev_gen = internals->qat_dev_gen;
+       qp->qat_dev_gen = qat_dev->qat_dev_gen;
        qp->build_request = qat_qp_conf->build_request;
        qp->process_response = qat_qp_conf->process_response;
+       qp->qat_dev = qat_dev;
+
+       PMD_DRV_LOG(DEBUG, "QP setup complete: id: %d, cookiepool: %s",
+                       queue_pair_id, op_cookie_pool_name);
 
-       dev->data->queue_pairs[queue_pair_id] = qp;
+       *qp_addr = qp;
        return 0;
 
 create_err:
@@ -170,10 +174,9 @@ create_err:
        return -EFAULT;
 }
 
-int qat_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id)
+int qat_qp_release(struct qat_qp **qp_addr)
 {
-       struct qat_qp *qp =
-                       (struct qat_qp *)dev->data->queue_pairs[queue_pair_id];
+       struct qat_qp *qp = *qp_addr;
        uint32_t i;
 
        PMD_INIT_FUNC_TRACE();
@@ -182,6 +185,9 @@ int qat_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id)
                return 0;
        }
 
+       PMD_DRV_LOG(DEBUG, "Free qp on qat_pci device %d",
+                       qp->qat_dev->dev_id);
+
        /* Don't free memory if there are still responses to be processed */
        if (qp->inflights16 == 0) {
                qat_queue_delete(&(qp->tx_q));
@@ -200,13 +206,11 @@ int qat_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id)
 
        rte_free(qp->op_cookies);
        rte_free(qp);
-       dev->data->queue_pairs[queue_pair_id] = NULL;
+       *qp_addr = NULL;
        return 0;
 }
 
 
-
-
 static void qat_queue_delete(struct qat_queue *queue)
 {
        const struct rte_memzone *mz;
@@ -216,6 +220,9 @@ static void qat_queue_delete(struct qat_queue *queue)
                PMD_DRV_LOG(DEBUG, "Invalid queue");
                return;
        }
+       PMD_DRV_LOG(DEBUG, "Free ring %d, memzone: %s",
+                       queue->hw_queue_number, queue->memz_name);
+
        mz = rte_memzone_lookup(queue->memz_name);
        if (mz != NULL) {
                /* Write an unused pattern to the queue memory. */
@@ -231,13 +238,13 @@ static void qat_queue_delete(struct qat_queue *queue)
 }
 
 static int
-qat_queue_create(struct rte_cryptodev *dev, struct qat_queue *queue,
+qat_queue_create(struct qat_pmd_private *qat_dev, struct qat_queue *queue,
                struct qat_qp_config *qp_conf, uint8_t dir)
 {
        uint64_t queue_base;
        void *io_addr;
        const struct rte_memzone *qp_mz;
-       struct rte_pci_device *pci_dev;
+       struct rte_pci_device *pci_dev = qat_dev->pci_dev;
        int ret = 0;
        uint16_t desc_size = (dir == ADF_RING_DIR_TX ?
                                qp_conf->tx_msg_size : qp_conf->rx_msg_size);
@@ -252,15 +259,13 @@ qat_queue_create(struct rte_cryptodev *dev, struct qat_queue *queue,
                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_%s_%d_%d_%d",
                pci_dev->driver->driver.name, qp_conf->service_str,
-               "qp_mem", dev->data->dev_id,
+               "qp_mem", qat_dev->dev_id,
                queue->hw_bundle_number, queue->hw_queue_number);
        qp_mz = queue_dma_zone_reserve(queue->memz_name, queue_size_bytes,
                        qp_conf->socket_id);
@@ -290,12 +295,6 @@ qat_queue_create(struct rte_cryptodev *dev, struct qat_queue *queue,
        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: Name:%s, size in CSR: %u, in bytes %u,"
-                       " nb msgs %u, msg_size %u, max_inflights %u modulo %u",
-                       queue->memz_name,
-                       queue->queue_size, queue_size_bytes,
-                       qp_conf->nb_descriptors, desc_size,
-                       queue->max_inflights, queue->modulo);
 
        if (queue->max_inflights < 2) {
                PMD_DRV_LOG(ERR, "Invalid num inflights");
@@ -318,6 +317,14 @@ qat_queue_create(struct rte_cryptodev *dev, struct qat_queue *queue,
 
        WRITE_CSR_RING_BASE(io_addr, queue->hw_bundle_number,
                        queue->hw_queue_number, queue_base);
+
+       PMD_DRV_LOG(DEBUG, "RING: Name:%s, size in CSR: %u, in bytes %u,"
+                       " nb msgs %u, msg_size %u, max_inflights %u modulo %u",
+                       queue->memz_name,
+                       queue->queue_size, queue_size_bytes,
+                       qp_conf->nb_descriptors, desc_size,
+                       queue->max_inflights, queue->modulo);
+
        return 0;
 
 queue_create_err:
index 0cdf37f..7bd8fdc 100644 (file)
@@ -5,6 +5,7 @@
 #define _QAT_QP_H_
 
 #include "qat_common.h"
+#include "qat_device.h"
 
 typedef int (*build_request_t)(void *op,
                uint8_t *req, void *op_cookie,
@@ -69,6 +70,8 @@ struct qat_qp {
        enum qat_device_gen qat_dev_gen;
        build_request_t build_request;
        process_response_t process_response;
+       struct qat_pmd_private *qat_dev;
+       /**< qat device this qp is on */
 } __rte_cache_aligned;
 
 uint16_t
@@ -78,9 +81,10 @@ uint16_t
 qat_dequeue_op_burst(void *qp, void **ops, uint16_t nb_ops);
 
 int
-qat_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id);
+qat_qp_release(struct qat_qp **qp_addr);
 
 int
-qat_qp_setup(struct rte_cryptodev *dev, uint16_t queue_pair_id,
+qat_qp_setup(struct qat_pmd_private *qat_dev,
+               struct qat_qp **qp_addr, uint16_t queue_pair_id,
                struct qat_qp_config *qat_qp_conf);
 #endif /* _QAT_QP_H_ */
index 4f86f22..8ab95ac 100644 (file)
@@ -809,7 +809,10 @@ void qat_sym_stats_reset(struct rte_cryptodev *dev)
 
 int qat_sym_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id)
 {
-       return qat_qp_release(dev, queue_pair_id);
+       PMD_DRV_LOG(DEBUG, "Release sym qp %u on device %d",
+                               queue_pair_id, dev->data->dev_id);
+       return qat_qp_release((struct qat_qp **)
+                       &(dev->data->queue_pairs[queue_pair_id]));
 }
 
 int qat_sym_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
@@ -820,9 +823,12 @@ int qat_sym_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
        int ret = 0;
        uint32_t i;
        struct qat_qp_config qat_qp_conf;
+       struct qat_qp **qp_addr =
+                       (struct qat_qp **)&(dev->data->queue_pairs[qp_id]);
+       struct qat_pmd_private *qat_private = dev->data->dev_private;
 
        /* If qp is already in use free ring memory and qp metadata. */
-       if (dev->data->queue_pairs[qp_id] != NULL) {
+       if (*qp_addr != NULL) {
                ret = qat_sym_qp_release(dev, qp_id);
                if (ret < 0)
                        return ret;
@@ -833,7 +839,6 @@ int qat_sym_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
                return -EINVAL;
        }
 
-
        qat_qp_conf.hw_bundle_num = (qp_id/ADF_NUM_SYM_QPS_PER_BUNDLE);
        qat_qp_conf.tx_ring_num = (qp_id%ADF_NUM_SYM_QPS_PER_BUNDLE) +
                        ADF_SYM_TX_QUEUE_STARTOFF;
@@ -848,11 +853,11 @@ int qat_sym_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
        qat_qp_conf.socket_id = socket_id;
        qat_qp_conf.service_str = "sym";
 
-       ret = qat_qp_setup(dev, qp_id, &qat_qp_conf);
+       ret = qat_qp_setup(qat_private, qp_addr, qp_id, &qat_qp_conf);
        if (ret != 0)
                return ret;
 
-       qp = (struct qat_qp *)dev->data->queue_pairs[qp_id];
+       qp = (struct qat_qp *)*qp_addr;
 
        for (i = 0; i < qp->nb_descriptors; i++) {
 
index 05cb5ef..fe19b18 100644 (file)
@@ -96,7 +96,9 @@ crypto_qat_create(const char *name, struct rte_pci_device *pci_dev,
 
        internals = cryptodev->data->dev_private;
        internals->max_nb_sessions = init_params->max_nb_sessions;
-       switch (pci_dev->id.device_id) {
+       internals->pci_dev = RTE_DEV_TO_PCI(cryptodev->device);
+       internals->dev_id = cryptodev->data->dev_id;
+       switch (internals->pci_dev->id.device_id) {
        case 0x0443:
                internals->qat_dev_gen = QAT_GEN1;
                internals->qat_dev_capabilities = qat_gen1_sym_capabilities;