1 /* SPDX-License-Identifier: BSD-3-Clause
13 * RTE FSLMC Bus Interface
24 #include <sys/queue.h>
27 #include <linux/vfio.h>
29 #include <rte_debug.h>
30 #include <rte_interrupts.h>
33 #include <rte_tailq.h>
35 #include <fslmc_vfio.h>
37 #define FSLMC_OBJECT_MAX_LEN 32 /**< Length of each device on bus */
39 struct rte_dpaa2_driver;
41 /* DPAA2 Device and Driver lists for FSLMC bus */
42 TAILQ_HEAD(rte_fslmc_device_list, rte_dpaa2_device);
43 TAILQ_HEAD(rte_fslmc_driver_list, rte_dpaa2_driver);
45 extern struct rte_fslmc_bus rte_fslmc_bus;
47 enum rte_dpaa2_dev_type {
48 /* Devices backed by DPDK driver */
49 DPAA2_ETH, /**< DPNI type device*/
50 DPAA2_CRYPTO, /**< DPSECI type device */
51 DPAA2_CON, /**< DPCONC type device */
52 /* Devices not backed by a DPDK driver: DPIO, DPBP, DPCI, DPMCP */
53 DPAA2_BPOOL, /**< DPBP type device */
54 DPAA2_IO, /**< DPIO type device */
55 DPAA2_CI, /**< DPCI type device */
56 DPAA2_MPORTAL, /**< DPMCP type device */
57 /* Unknown device placeholder */
61 TAILQ_HEAD(rte_dpaa2_object_list, rte_dpaa2_object);
63 typedef int (*rte_dpaa2_obj_create_t)(int vdev_fd,
64 struct vfio_device_info *obj_info,
68 * A structure describing a DPAA2 object.
70 struct rte_dpaa2_object {
71 TAILQ_ENTRY(rte_dpaa2_object) next; /**< Next in list. */
72 const char *name; /**< Name of Object. */
73 enum rte_dpaa2_dev_type dev_type; /**< Type of device */
74 rte_dpaa2_obj_create_t create;
78 * A structure describing a DPAA2 device.
80 struct rte_dpaa2_device {
81 TAILQ_ENTRY(rte_dpaa2_device) next; /**< Next probed DPAA2 device. */
82 struct rte_device device; /**< Inherit core device */
84 struct rte_eth_dev *eth_dev; /**< ethernet device */
85 struct rte_cryptodev *cryptodev; /**< Crypto Device */
87 enum rte_dpaa2_dev_type dev_type; /**< Device Type */
88 uint16_t object_id; /**< DPAA2 Object ID */
89 struct rte_intr_handle intr_handle; /**< Interrupt handle */
90 struct rte_dpaa2_driver *driver; /**< Associated driver */
91 char name[FSLMC_OBJECT_MAX_LEN]; /**< DPAA2 Object name*/
94 typedef int (*rte_dpaa2_probe_t)(struct rte_dpaa2_driver *dpaa2_drv,
95 struct rte_dpaa2_device *dpaa2_dev);
96 typedef int (*rte_dpaa2_remove_t)(struct rte_dpaa2_device *dpaa2_dev);
99 * A structure describing a DPAA2 driver.
101 struct rte_dpaa2_driver {
102 TAILQ_ENTRY(rte_dpaa2_driver) next; /**< Next in list. */
103 struct rte_driver driver; /**< Inherit core driver. */
104 struct rte_fslmc_bus *fslmc_bus; /**< FSLMC bus reference */
105 uint32_t drv_flags; /**< Flags for controlling device.*/
106 enum rte_dpaa2_dev_type drv_type; /**< Driver Type */
107 rte_dpaa2_probe_t probe;
108 rte_dpaa2_remove_t remove;
114 struct rte_fslmc_bus {
115 struct rte_bus bus; /**< Generic Bus object */
116 struct rte_fslmc_device_list device_list;
117 /**< FSLMC DPAA2 Device list */
118 struct rte_fslmc_driver_list driver_list;
119 /**< FSLMC DPAA2 Driver list */
121 /**< Optional: Count of devices on bus */
125 * Register a DPAA2 driver.
128 * A pointer to a rte_dpaa2_driver structure describing the driver
131 void rte_fslmc_driver_register(struct rte_dpaa2_driver *driver);
134 * Unregister a DPAA2 driver.
137 * A pointer to a rte_dpaa2_driver structure describing the driver
138 * to be unregistered.
140 void rte_fslmc_driver_unregister(struct rte_dpaa2_driver *driver);
142 /** Helper for DPAA2 device registration from driver (eth, crypto) instance */
143 #define RTE_PMD_REGISTER_DPAA2(nm, dpaa2_drv) \
144 RTE_INIT(dpaa2initfn_ ##nm); \
145 static void dpaa2initfn_ ##nm(void) \
147 (dpaa2_drv).driver.name = RTE_STR(nm);\
148 rte_fslmc_driver_register(&dpaa2_drv); \
150 RTE_PMD_EXPORT_NAME(nm, __COUNTER__)
157 * Register a DPAA2 MC Object driver.
160 * A pointer to a rte_dpaa_object structure describing the mc object
163 void rte_fslmc_object_register(struct rte_dpaa2_object *object);
165 /** Helper for DPAA2 object registration */
166 #define RTE_PMD_REGISTER_DPAA2_OBJECT(nm, dpaa2_obj) \
167 RTE_INIT(dpaa2objinitfn_ ##nm); \
168 static void dpaa2objinitfn_ ##nm(void) \
170 (dpaa2_obj).name = RTE_STR(nm);\
171 rte_fslmc_object_register(&dpaa2_obj); \
173 RTE_PMD_EXPORT_NAME(nm, __COUNTER__)
175 #endif /* _RTE_FSLMC_H_ */