diff options
Diffstat (limited to 'src/spdk/dpdk/drivers/bus/fslmc/rte_fslmc.h')
| -rw-r--r-- | src/spdk/dpdk/drivers/bus/fslmc/rte_fslmc.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/src/spdk/dpdk/drivers/bus/fslmc/rte_fslmc.h b/src/spdk/dpdk/drivers/bus/fslmc/rte_fslmc.h new file mode 100644 index 00000000..cea5b78f --- /dev/null +++ b/src/spdk/dpdk/drivers/bus/fslmc/rte_fslmc.h @@ -0,0 +1,216 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * + * Copyright 2016 NXP + * + */ + +#ifndef _RTE_FSLMC_H_ +#define _RTE_FSLMC_H_ + +/** + * @file + * + * RTE FSLMC Bus Interface + */ + +#ifdef __cplusplus +extern "C" { +#endif + +#include <stdio.h> +#include <stdlib.h> +#include <limits.h> +#include <errno.h> +#include <sys/queue.h> +#include <stdint.h> +#include <inttypes.h> +#include <linux/vfio.h> + +#include <rte_debug.h> +#include <rte_interrupts.h> +#include <rte_dev.h> +#include <rte_bus.h> +#include <rte_tailq.h> +#include <rte_devargs.h> + +#include <fslmc_vfio.h> + +#define FSLMC_OBJECT_MAX_LEN 32 /**< Length of each device on bus */ + + +/** Device driver supports link state interrupt */ +#define RTE_DPAA2_DRV_INTR_LSC 0x0008 + +/** Device driver supports IOVA as VA */ +#define RTE_DPAA2_DRV_IOVA_AS_VA 0X0040 + +struct rte_dpaa2_driver; + +/* DPAA2 Device and Driver lists for FSLMC bus */ +TAILQ_HEAD(rte_fslmc_device_list, rte_dpaa2_device); +TAILQ_HEAD(rte_fslmc_driver_list, rte_dpaa2_driver); + +#define RTE_DEV_TO_FSLMC_CONST(ptr) \ + container_of(ptr, const struct rte_dpaa2_device, device) + +extern struct rte_fslmc_bus rte_fslmc_bus; + +enum rte_dpaa2_dev_type { + /* Devices backed by DPDK driver */ + DPAA2_ETH, /**< DPNI type device*/ + DPAA2_CRYPTO, /**< DPSECI type device */ + DPAA2_CON, /**< DPCONC type device */ + /* Devices not backed by a DPDK driver: DPIO, DPBP, DPCI, DPMCP */ + DPAA2_BPOOL, /**< DPBP type device */ + DPAA2_IO, /**< DPIO type device */ + DPAA2_CI, /**< DPCI type device */ + DPAA2_MPORTAL, /**< DPMCP type device */ + DPAA2_QDMA, /**< DPDMAI type device */ + /* Unknown device placeholder */ + DPAA2_UNKNOWN, + DPAA2_DEVTYPE_MAX, +}; + +TAILQ_HEAD(rte_dpaa2_object_list, rte_dpaa2_object); + +typedef int (*rte_dpaa2_obj_create_t)(int vdev_fd, + struct vfio_device_info *obj_info, + int object_id); + +/** + * A structure describing a DPAA2 object. + */ +struct rte_dpaa2_object { + TAILQ_ENTRY(rte_dpaa2_object) next; /**< Next in list. */ + const char *name; /**< Name of Object. */ + enum rte_dpaa2_dev_type dev_type; /**< Type of device */ + rte_dpaa2_obj_create_t create; +}; + +/** + * A structure describing a DPAA2 device. + */ +struct rte_dpaa2_device { + TAILQ_ENTRY(rte_dpaa2_device) next; /**< Next probed DPAA2 device. */ + struct rte_device device; /**< Inherit core device */ + union { + struct rte_eth_dev *eth_dev; /**< ethernet device */ + struct rte_cryptodev *cryptodev; /**< Crypto Device */ + struct rte_rawdev *rawdev; /**< Raw Device */ + }; + enum rte_dpaa2_dev_type dev_type; /**< Device Type */ + uint16_t object_id; /**< DPAA2 Object ID */ + struct rte_intr_handle intr_handle; /**< Interrupt handle */ + struct rte_dpaa2_driver *driver; /**< Associated driver */ + char name[FSLMC_OBJECT_MAX_LEN]; /**< DPAA2 Object name*/ +}; + +typedef int (*rte_dpaa2_probe_t)(struct rte_dpaa2_driver *dpaa2_drv, + struct rte_dpaa2_device *dpaa2_dev); +typedef int (*rte_dpaa2_remove_t)(struct rte_dpaa2_device *dpaa2_dev); + +/** + * A structure describing a DPAA2 driver. + */ +struct rte_dpaa2_driver { + TAILQ_ENTRY(rte_dpaa2_driver) next; /**< Next in list. */ + struct rte_driver driver; /**< Inherit core driver. */ + struct rte_fslmc_bus *fslmc_bus; /**< FSLMC bus reference */ + uint32_t drv_flags; /**< Flags for controlling device.*/ + enum rte_dpaa2_dev_type drv_type; /**< Driver Type */ + rte_dpaa2_probe_t probe; + rte_dpaa2_remove_t remove; +}; + +/* + * FSLMC bus + */ +struct rte_fslmc_bus { + struct rte_bus bus; /**< Generic Bus object */ + struct rte_fslmc_device_list device_list; + /**< FSLMC DPAA2 Device list */ + struct rte_fslmc_driver_list driver_list; + /**< FSLMC DPAA2 Driver list */ + int device_count[DPAA2_DEVTYPE_MAX]; + /**< Count of all devices scanned */ +}; + +#define DPAA2_PORTAL_DEQUEUE_DEPTH 32 + +/* Create storage for dqrr entries per lcore */ +struct dpaa2_portal_dqrr { + struct rte_mbuf *mbuf[DPAA2_PORTAL_DEQUEUE_DEPTH]; + uint64_t dqrr_held; + uint8_t dqrr_size; +}; + +RTE_DECLARE_PER_LCORE(struct dpaa2_portal_dqrr, dpaa2_held_bufs); + +#define DPAA2_PER_LCORE_DQRR_SIZE \ + RTE_PER_LCORE(dpaa2_held_bufs).dqrr_size +#define DPAA2_PER_LCORE_DQRR_HELD \ + RTE_PER_LCORE(dpaa2_held_bufs).dqrr_held +#define DPAA2_PER_LCORE_DQRR_MBUF(i) \ + RTE_PER_LCORE(dpaa2_held_bufs).mbuf[i] + +/** + * Register a DPAA2 driver. + * + * @param driver + * A pointer to a rte_dpaa2_driver structure describing the driver + * to be registered. + */ +void rte_fslmc_driver_register(struct rte_dpaa2_driver *driver); + +/** + * Unregister a DPAA2 driver. + * + * @param driver + * A pointer to a rte_dpaa2_driver structure describing the driver + * to be unregistered. + */ +void rte_fslmc_driver_unregister(struct rte_dpaa2_driver *driver); + +/** Helper for DPAA2 device registration from driver (eth, crypto) instance */ +#define RTE_PMD_REGISTER_DPAA2(nm, dpaa2_drv) \ +RTE_INIT(dpaa2initfn_ ##nm) \ +{\ + (dpaa2_drv).driver.name = RTE_STR(nm);\ + rte_fslmc_driver_register(&dpaa2_drv); \ +} \ +RTE_PMD_EXPORT_NAME(nm, __COUNTER__) + +/** + * Register a DPAA2 MC Object driver. + * + * @param mc_object + * A pointer to a rte_dpaa_object structure describing the mc object + * to be registered. + */ +void rte_fslmc_object_register(struct rte_dpaa2_object *object); + +/** + * Count of a particular type of DPAA2 device scanned on the bus. + * + * @param dev_type + * Type of device as rte_dpaa2_dev_type enumerator + * @return + * >=0 for count; 0 indicates either no device of the said type scanned or + * invalid device type. + */ +uint32_t rte_fslmc_get_device_count(enum rte_dpaa2_dev_type device_type); + +/** Helper for DPAA2 object registration */ +#define RTE_PMD_REGISTER_DPAA2_OBJECT(nm, dpaa2_obj) \ +RTE_INIT(dpaa2objinitfn_ ##nm) \ +{\ + (dpaa2_obj).name = RTE_STR(nm);\ + rte_fslmc_object_register(&dpaa2_obj); \ +} \ +RTE_PMD_EXPORT_NAME(nm, __COUNTER__) + +#ifdef __cplusplus +} +#endif + +#endif /* _RTE_FSLMC_H_ */ |