crypto/qat: add multi-process handling of driver ID
[dpdk.git] / drivers / crypto / qat / qat_sym_pmd.c
index e0aa25c..6ef9a34 100644 (file)
@@ -8,13 +8,18 @@
 #include <rte_malloc.h>
 #include <rte_pci.h>
 #include <rte_cryptodev_pmd.h>
+#ifdef RTE_LIBRTE_SECURITY
+#include <rte_security_driver.h>
+#endif
 
 #include "qat_logs.h"
 #include "qat_sym.h"
 #include "qat_sym_session.h"
 #include "qat_sym_pmd.h"
 
-uint8_t cryptodev_qat_driver_id;
+#define MIXED_CRYPTO_MIN_FW_VER 0x04090000
+
+uint8_t qat_sym_driver_id;
 
 static const struct rte_cryptodev_capabilities qat_gen1_sym_capabilities[] = {
        QAT_BASE_GEN1_SYM_CAPABILITIES,
@@ -27,13 +32,21 @@ static const struct rte_cryptodev_capabilities qat_gen2_sym_capabilities[] = {
        RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 };
 
-static const struct rte_cryptodev_capabilities qat_gen3_sym_capabilities[] = {
-       QAT_BASE_GEN1_SYM_CAPABILITIES,
-       QAT_EXTRA_GEN2_SYM_CAPABILITIES,
-       QAT_EXTRA_GEN3_SYM_CAPABILITIES,
+#ifdef RTE_LIBRTE_SECURITY
+static const struct rte_cryptodev_capabilities
+                                       qat_security_sym_capabilities[] = {
+       QAT_SECURITY_SYM_CAPABILITIES,
        RTE_CRYPTODEV_END_OF_CAPABILITIES_LIST()
 };
 
+static const struct rte_security_capability qat_security_capabilities[] = {
+       QAT_SECURITY_CAPABILITIES(qat_security_sym_capabilities),
+       {
+               .action = RTE_SECURITY_ACTION_TYPE_NONE
+       }
+};
+#endif
+
 static int qat_sym_qp_release(struct rte_cryptodev *dev,
        uint16_t queue_pair_id);
 
@@ -79,7 +92,7 @@ static void qat_sym_dev_info_get(struct rte_cryptodev *dev,
                        qat_qps_per_service(sym_hw_qps, QAT_SERVICE_SYMMETRIC);
                info->feature_flags = dev->feature_flags;
                info->capabilities = internals->qat_dev_capabilities;
-               info->driver_id = cryptodev_qat_driver_id;
+               info->driver_id = qat_sym_driver_id;
                /* No limit of number of sessions */
                info->sym.max_nb_sessions = 0;
        }
@@ -194,6 +207,31 @@ static int qat_sym_qp_setup(struct rte_cryptodev *dev, uint16_t qp_id,
                                qat_sgl_dst);
        }
 
+       /* Get fw version from QAT (GEN2), skip if we've got it already */
+       if (qp->qat_dev_gen == QAT_GEN2 && !(qat_private->internal_capabilities
+                       & QAT_SYM_CAP_VALID)) {
+               ret = qat_cq_get_fw_version(qp);
+
+               if (ret < 0) {
+                       qat_sym_qp_release(dev, qp_id);
+                       return ret;
+               }
+
+               if (ret != 0)
+                       QAT_LOG(DEBUG, "QAT firmware version: %d.%d.%d",
+                                       (ret >> 24) & 0xff,
+                                       (ret >> 16) & 0xff,
+                                       (ret >> 8) & 0xff);
+               else
+                       QAT_LOG(DEBUG, "unknown QAT firmware version");
+
+               /* set capabilities based on the fw version */
+               qat_private->internal_capabilities = QAT_SYM_CAP_VALID |
+                               ((ret >= MIXED_CRYPTO_MIN_FW_VER) ?
+                                               QAT_SYM_CAP_MIXED_CRYPTO : 0);
+               ret = 0;
+       }
+
        return ret;
 }
 
@@ -210,7 +248,6 @@ static struct rte_cryptodev_ops crypto_qat_ops = {
                .stats_reset            = qat_sym_stats_reset,
                .queue_pair_setup       = qat_sym_qp_setup,
                .queue_pair_release     = qat_sym_qp_release,
-               .queue_pair_count       = NULL,
 
                /* Crypto related operations */
                .sym_session_get_size   = qat_sym_session_get_private_size,
@@ -218,6 +255,24 @@ static struct rte_cryptodev_ops crypto_qat_ops = {
                .sym_session_clear      = qat_sym_session_clear
 };
 
+#ifdef RTE_LIBRTE_SECURITY
+static const struct rte_security_capability *
+qat_security_cap_get(void *device __rte_unused)
+{
+       return qat_security_capabilities;
+}
+
+static struct rte_security_ops security_qat_ops = {
+
+               .session_create = qat_security_session_create,
+               .session_update = NULL,
+               .session_stats_get = NULL,
+               .session_destroy = qat_security_session_destroy,
+               .set_pkt_metadata = NULL,
+               .capabilities_get = qat_security_cap_get
+};
+#endif
+
 static uint16_t
 qat_sym_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
                uint16_t nb_ops)
@@ -249,33 +304,60 @@ qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
                struct qat_dev_cmd_param *qat_dev_cmd_param __rte_unused)
 {
        int i = 0;
+       struct qat_device_info *qat_dev_instance =
+                       &qat_pci_devs[qat_pci_dev->qat_dev_id];
+
        struct rte_cryptodev_pmd_init_params init_params = {
                        .name = "",
-                       .socket_id = qat_pci_dev->pci_dev->device.numa_node,
+                       .socket_id =
+                               qat_dev_instance->pci_dev->device.numa_node,
                        .private_data_size = sizeof(struct qat_sym_dev_private)
        };
        char name[RTE_CRYPTODEV_NAME_MAX_LEN];
        struct rte_cryptodev *cryptodev;
        struct qat_sym_dev_private *internals;
 
+       /*
+        * All processes must use same driver id so they can share sessions.
+        * Store driver_id so we can validate that all processes have the same
+        * value, typically they have, but could differ if binaries built
+        * separately.
+        */
+       if (rte_eal_process_type() == RTE_PROC_PRIMARY) {
+               qat_pci_dev->qat_sym_driver_id =
+                               qat_sym_driver_id;
+       } else if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
+               if (qat_pci_dev->qat_sym_driver_id !=
+                               qat_sym_driver_id) {
+                       QAT_LOG(ERR,
+                               "Device %s have different driver id than corresponding device in primary process",
+                               name);
+                       return -(EFAULT);
+               }
+       }
+
+#ifdef RTE_LIBRTE_SECURITY
+       struct rte_security_ctx *security_instance;
+#endif
+
        snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN, "%s_%s",
                        qat_pci_dev->name, "sym");
        QAT_LOG(DEBUG, "Creating QAT SYM device %s", name);
 
        /* Populate subset device to use in cryptodev device creation */
-       qat_pci_dev->sym_rte_dev.driver = &cryptodev_qat_sym_driver;
-       qat_pci_dev->sym_rte_dev.numa_node =
-                               qat_pci_dev->pci_dev->device.numa_node;
-       qat_pci_dev->sym_rte_dev.devargs = NULL;
+       qat_dev_instance->sym_rte_dev.driver = &cryptodev_qat_sym_driver;
+       qat_dev_instance->sym_rte_dev.numa_node =
+                       qat_dev_instance->pci_dev->device.numa_node;
+       qat_dev_instance->sym_rte_dev.devargs = NULL;
 
        cryptodev = rte_cryptodev_pmd_create(name,
-                       &(qat_pci_dev->sym_rte_dev), &init_params);
+                       &(qat_dev_instance->sym_rte_dev), &init_params);
 
        if (cryptodev == NULL)
                return -ENODEV;
 
-       qat_pci_dev->sym_rte_dev.name = cryptodev->data->name;
-       cryptodev->driver_id = cryptodev_qat_driver_id;
+       qat_dev_instance->sym_rte_dev.name = cryptodev->data->name;
+       cryptodev->driver_id = qat_sym_driver_id;
        cryptodev->dev_ops = &crypto_qat_ops;
 
        cryptodev->enqueue_burst = qat_sym_pmd_enqueue_op_burst;
@@ -289,11 +371,30 @@ qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
                        RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
                        RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT |
                        RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
-                       RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED;
+                       RTE_CRYPTODEV_FF_DIGEST_ENCRYPTED |
+                       RTE_CRYPTODEV_FF_SECURITY;
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return 0;
+
+#ifdef RTE_LIBRTE_SECURITY
+       security_instance = rte_malloc("qat_sec",
+                               sizeof(struct rte_security_ctx),
+                               RTE_CACHE_LINE_SIZE);
+       if (security_instance == NULL) {
+               QAT_LOG(ERR, "rte_security_ctx memory alloc failed");
+               rte_cryptodev_pmd_destroy(cryptodev);
+               return -ENOMEM;
+       }
+
+       security_instance->device = (void *)cryptodev;
+       security_instance->ops = &security_qat_ops;
+       security_instance->sess_cnt = 0;
+       cryptodev->security_ctx = security_instance;
+#endif
 
        internals = cryptodev->data->dev_private;
        internals->qat_dev = qat_pci_dev;
-       qat_pci_dev->sym_dev = internals;
 
        internals->sym_dev_id = cryptodev->data->dev_id;
        switch (qat_pci_dev->qat_dev_gen) {
@@ -301,13 +402,10 @@ qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
                internals->qat_dev_capabilities = qat_gen1_sym_capabilities;
                break;
        case QAT_GEN2:
-               internals->qat_dev_capabilities = qat_gen2_sym_capabilities;
-               break;
        case QAT_GEN3:
-               internals->qat_dev_capabilities = qat_gen3_sym_capabilities;
+               internals->qat_dev_capabilities = qat_gen2_sym_capabilities;
                break;
        default:
-               internals->qat_dev_capabilities = qat_gen2_sym_capabilities;
                QAT_LOG(DEBUG,
                        "QAT gen %d capabilities unknown, default to GEN2",
                                        qat_pci_dev->qat_dev_gen);
@@ -323,8 +421,10 @@ qat_sym_dev_create(struct qat_pci_device *qat_pci_dev,
                i++;
        }
 
+       qat_pci_dev->sym_dev = internals;
        QAT_LOG(DEBUG, "Created QAT SYM device %s as cryptodev instance %d",
                        cryptodev->data->name, internals->sym_dev_id);
+
        return 0;
 }
 
@@ -340,8 +440,11 @@ qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev)
 
        /* free crypto device */
        cryptodev = rte_cryptodev_pmd_get_dev(qat_pci_dev->sym_dev->sym_dev_id);
+#ifdef RTE_LIBRTE_SECURITY
+       rte_free(cryptodev->security_ctx);
+#endif
        rte_cryptodev_pmd_destroy(cryptodev);
-       qat_pci_dev->sym_rte_dev.name = NULL;
+       qat_pci_devs[qat_pci_dev->qat_dev_id].sym_rte_dev.name = NULL;
        qat_pci_dev->sym_dev = NULL;
 
        return 0;
@@ -350,4 +453,4 @@ qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev)
 static struct cryptodev_driver qat_crypto_drv;
 RTE_PMD_REGISTER_CRYPTO_DRIVER(qat_crypto_drv,
                cryptodev_qat_sym_driver,
-               cryptodev_qat_driver_id);
+               qat_sym_driver_id);