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Signed-off-by: Ankur Dwivedi Signed-off-by: Murthy NSSR Signed-off-by: Nithin Dabilpuram Signed-off-by: Ragothaman Jayaraman Signed-off-by: Srisivasubramanian Srinivasan --- drivers/crypto/cpt/Makefile | 9 +- drivers/crypto/cpt/cpt_pmd_cryptodev.c | 270 +++++++++++++++++++++++++++++++++ drivers/crypto/cpt/cpt_pmd_logs.h | 50 ++++++ 3 files changed, 328 insertions(+), 1 deletion(-) create mode 100644 drivers/crypto/cpt/cpt_pmd_cryptodev.c create mode 100644 drivers/crypto/cpt/cpt_pmd_logs.h diff --git a/drivers/crypto/cpt/Makefile b/drivers/crypto/cpt/Makefile index b2d950d..40ec9e2 100644 --- a/drivers/crypto/cpt/Makefile +++ b/drivers/crypto/cpt/Makefile @@ -23,7 +23,14 @@ CFLAGS += -O3 #CFLAGS += -DAUTH_SOFT_COMPUTE_IPAD_OPAD #CFLAGS += -DCPT_DEBUG -SRCS-$(CONFIG_RTE_LIBRTE_PMD_CPT) += +# PMD code +SRCS-$(CONFIG_RTE_LIBRTE_PMD_CPT) += cpt_pmd_cryptodev.c + +# Base code +SRCS-$(CONFIG_RTE_LIBRTE_PMD_CPT) += cpt_device.c +SRCS-$(CONFIG_RTE_LIBRTE_PMD_CPT) += cpt_ops.c +SRCS-$(CONFIG_RTE_LIBRTE_PMD_CPT) += cpt8xxx_device.c +SRCS-$(CONFIG_RTE_LIBRTE_PMD_CPT) += cpt_vf_mbox.c # export include files SYMLINK-y-include += diff --git a/drivers/crypto/cpt/cpt_pmd_cryptodev.c b/drivers/crypto/cpt/cpt_pmd_cryptodev.c new file mode 100644 index 0000000..addddd8 --- /dev/null +++ b/drivers/crypto/cpt/cpt_pmd_cryptodev.c @@ -0,0 +1,270 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017 Cavium, Inc + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "base/cpt_device.h" +#include "cpt_pmd_logs.h" + +#define CSP_INTR_POLL_INTERVAL_MS 50 + +static int global_init_done; +uint8_t cryptodev_cpt_driver_id; +struct rte_mempool *cpt_meta_pool; +int cpt_op_mlen; +int cpt_op_sb_mlen; + +static void +cpt_pmd_alarm_cb(void *arg) +{ + struct cpt_vf *cptvf = arg; + cptvf_poll_misc(cptvf); + rte_eal_alarm_set(CSP_INTR_POLL_INTERVAL_MS * 1000, + cpt_pmd_alarm_cb, cptvf); +} + +static int +cpt_pmd_periodic_alarm_start(void *arg) +{ + return rte_eal_alarm_set(CSP_INTR_POLL_INTERVAL_MS * 1000, + cpt_pmd_alarm_cb, arg); +} + +static int +cpt_pmd_periodic_alarm_stop(void *arg) +{ + return rte_eal_alarm_cancel(cpt_pmd_alarm_cb, arg); +} + +static struct rte_cryptodev_ops cptvf_ops = { + /* Device related operations */ + .dev_configure = NULL, + .dev_start = NULL, + .dev_stop = NULL, + .dev_close = NULL, + .dev_infos_get = NULL, + + .stats_get = NULL, + .stats_reset = NULL, + .queue_pair_setup = NULL, + .queue_pair_release = NULL, + .queue_pair_start = NULL, + .queue_pair_stop = NULL, + .queue_pair_count = NULL, + + /* Crypto related operations */ + .session_get_size = NULL, + .session_configure = NULL, + .session_clear = NULL +}; + +static int init_global_resources(void) +{ + /* In future consider rte_security and asym. 4B extra for app use */ + cpt_op_mlen = cpt_fc_get_op_meta_len() + 4 * sizeof(uint64_t); + cpt_meta_pool = rte_mempool_create("cpt_metabuf-pool", 4096 * 16, + cpt_op_mlen, 512, 0, + NULL, NULL, NULL, NULL, + SOCKET_ID_ANY, 0); + if (!cpt_meta_pool) { + PMD_DRV_LOG(ERR, "cpt metabuf pool not created\n"); + return -ENOMEM; + } + cpt_op_sb_mlen = cpt_fc_get_op_sb_meta_len() + 4 * sizeof(uint64_t); + + return 0; +} + +static int +cptvf_dev_init(struct rte_pci_driver *c_drv __rte_unused, + struct rte_cryptodev *c_dev) +{ + struct rte_pci_device *pdev = RTE_DEV_TO_PCI(c_dev->device); + struct cpt_vf *cptvf = c_dev->data->dev_private; + void *reg_base; + char dev_name[32]; + int ret; + + PMD_DRV_LOG(DEBUG, ">>>"); + + if (pdev->mem_resource[0].phys_addr == 0ULL) + return -EIO; + + /* for secondary processes, we don't initialise any further as primary + * has already done this work. + */ + if (rte_eal_process_type() != RTE_PROC_PRIMARY) + return 0; + + snprintf(dev_name, 32, "%02x:%02x.%x", + pdev->addr.bus, pdev->addr.devid, pdev->addr.function); + PMD_DRV_LOG(DEBUG, "Found CPT device %s", dev_name); + + reg_base = pdev->mem_resource[0].addr; + if (!reg_base) { + PMD_DRV_LOG(ERR, "Failed to map BAR0 of %s", dev_name); + ret = -ENODEV; + goto fail; + } + + ret = cptvf_init_device(cptvf, pdev, reg_base, dev_name, 0); + if (ret) { + PMD_DRV_LOG(ERR, "Failed to init cptvf %s", dev_name); + return -EIO; + } + + /* Start off timer for mailbox interrupts */ + cpt_pmd_periodic_alarm_start(cptvf); + /* TODO Do we really need this to poll for mbox ?? */ + /* cptvf_enable_mbox_interrupts(cptvf); */ + + if (!global_init_done) { + /* cpt_set_debug_level(debug); */ + ret = init_global_resources(); + if (ret) + goto init_fail; + global_init_done = 1; + } + + c_dev->dev_ops = &cptvf_ops; + + c_dev->enqueue_burst = NULL; + c_dev->dequeue_burst = NULL; + + c_dev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO | + RTE_CRYPTODEV_FF_HW_ACCELERATED | + RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING; + + return 0; + +init_fail: + cpt_pmd_periodic_alarm_stop(cptvf); + cptvf_deinit_device(cptvf); + return ret; + +fail: + return ret; +} + +static int +rte_cptdev_pci_probe(struct rte_pci_driver *pci_drv, + struct rte_pci_device *pci_dev) +{ + struct rte_cryptodev *cryptodev; + + char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN]; + + int retval; + + if (pci_drv == NULL) + return -ENODEV; + + rte_pci_device_name(&pci_dev->addr, cryptodev_name, + sizeof(cryptodev_name)); + + cryptodev = rte_cryptodev_pmd_allocate(cryptodev_name, rte_socket_id()); + if (cryptodev == NULL) + return -ENOMEM; + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) { + cryptodev->data->dev_private = + rte_zmalloc_socket( + "cryptodev private structure", + sizeof(struct cpt_vf), + RTE_CACHE_LINE_SIZE, + rte_socket_id()); + + if (cryptodev->data->dev_private == NULL) + rte_panic("Cannot allocate memzone for private " + "device data"); + } + + cryptodev->device = &pci_dev->device; + cryptodev->device->driver = &pci_drv->driver; + cryptodev->driver_id = cryptodev_cpt_driver_id; + + /* init user callbacks */ + TAILQ_INIT(&(cryptodev->link_intr_cbs)); + + /* Invoke PMD device initialization function */ + retval = cptvf_dev_init(pci_drv, cryptodev); + if (retval == 0) + return 0; + + PMD_DRV_LOG(ERR, "driver %s: crypto_dev_init(vendor_id=0x%x device_id=" + "0x%x) failed", pci_drv->driver.name, + (unsigned int) pci_dev->id.vendor_id, + (unsigned int) pci_dev->id.device_id); + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_free(cryptodev->data->dev_private); + + cryptodev->attached = RTE_CRYPTODEV_DETACHED; + + return -ENXIO; +} + +static int +rte_cptdev_pci_remove(struct rte_pci_device *pci_dev) +{ + struct rte_cryptodev *cryptodev; + char cryptodev_name[RTE_CRYPTODEV_NAME_MAX_LEN]; + + if (pci_dev == NULL) + return -EINVAL; + + rte_pci_device_name(&pci_dev->addr, cryptodev_name, + sizeof(cryptodev_name)); + + cryptodev = rte_cryptodev_pmd_get_named_dev(cryptodev_name); + if (cryptodev == NULL) + return -ENODEV; + + if (pci_dev->driver == NULL) + return -ENODEV; + + /* free crypto device */ + rte_cryptodev_pmd_release_device(cryptodev); + + if (rte_eal_process_type() == RTE_PROC_PRIMARY) + rte_free(cryptodev->data->dev_private); + + cryptodev->device = NULL; + cryptodev->device->driver = NULL; + cryptodev->data = NULL; + + return 0; +} +static struct rte_pci_id pci_id_cpt_table[] = { + { + RTE_PCI_DEVICE(PCI_VENDOR_ID_CAVIUM, CPT_81XX_PCI_VF_DEVICE_ID), + }, + /* sentinel */ + { + .device_id = 0 + }, +}; + +static struct rte_pci_driver cptvf_pmd = { + .id_table = pci_id_cpt_table, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + .probe = rte_cptdev_pci_probe, + .remove = rte_cptdev_pci_remove, +}; +static struct cryptodev_driver cpt_crypto_drv; + +#define CRYPTODEV_NAME_CPT_SYM_PMD crypto_cpt +/* Cavium CPT Symmetric Crypto PMD device name */ + +RTE_PMD_REGISTER_PCI(CRYPTODEV_NAME_CPT_SYM_PMD, cptvf_pmd); +RTE_PMD_REGISTER_PCI_TABLE(CRYPTODEV_NAME_CPT_SYM_PMD, pci_id_cpt_table); +RTE_PMD_REGISTER_CRYPTO_DRIVER(cpt_crypto_drv, cptvf_pmd.driver, + cryptodev_cpt_driver_id); diff --git a/drivers/crypto/cpt/cpt_pmd_logs.h b/drivers/crypto/cpt/cpt_pmd_logs.h new file mode 100644 index 0000000..d245d62 --- /dev/null +++ b/drivers/crypto/cpt/cpt_pmd_logs.h @@ -0,0 +1,50 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2017 Cavium, Inc + */ + +#ifndef _CPT_PMD_LOGS_H_ +#define _CPT_PMD_LOGS_H_ + +#include + +#define PMD_DRV_LOG_RAW(level, fmt, args...) \ + rte_log(RTE_LOG_ ## level, RTE_LOGTYPE_PMD, \ + "PMD: %s(): " fmt "\n", __func__, ##args) + +#ifdef RTE_LIBRTE_PMD_CPT_DEBUG_INIT + +#define PMD_INIT_FUNC_TRACE() PMD_DRV_LOG_RAW(DEBUG, " >>") +#define PMD_DRV_LOG(level, args...) \ + PMD_DRV_LOG_RAW(level, ##args) +#else + +#define PMD_DRV_LOG(...) do { } while (0) +#define PMD_INIT_FUNC_TRACE() do { } while (0) +#endif + +#ifdef RTE_LIBRTE_PMD_CPT_DEBUG_RX + +#define CPT_DEBUG +#define CPTVF_STRICT_PARAM_CHECK +#define PMD_RX_LOG(level, args...) \ + PMD_DRV_LOG_RAW(level, ##args) +#else + +#define PMD_RX_LOG(...) do { } while (0) +#endif + +#ifdef RTE_LIBRTE_PMD_CPT_DEBUG_TX + +#define CPT_DEBUG +#define CPTVF_STRICT_PARAM_CHECK + +#define PMD_TX_LOG(level, args...) \ + PMD_DRV_LOG_RAW(level, ##args) +#else + +#define PMD_TX_LOG(...) do { } while (0) +#endif + +#define PRINT printf + +#endif