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39 * RTE FSLMC Bus Interface
50 #include <sys/queue.h>
53 #include <linux/vfio.h>
55 #include <rte_debug.h>
56 #include <rte_interrupts.h>
60 #define FSLMC_OBJECT_MAX_LEN 32 /**< Length of each device on bus */
62 struct rte_dpaa2_driver;
64 /* DPAA2 Device and Driver lists for FSLMC bus */
65 TAILQ_HEAD(rte_fslmc_device_list, rte_dpaa2_device);
66 TAILQ_HEAD(rte_fslmc_driver_list, rte_dpaa2_driver);
68 extern struct rte_fslmc_bus rte_fslmc_bus;
70 enum rte_dpaa2_dev_type {
71 /* Devices backed by DPDK driver */
72 DPAA2_ETH, /**< DPNI type device*/
73 DPAA2_CRYPTO, /**< DPSECI type device */
74 DPAA2_CON, /**< DPCONC type device */
75 /* Devices not backed by a DPDK driver: DPIO, DPBP, DPCI, DPMCP */
76 DPAA2_BPOOL, /**< DPBP type device */
77 DPAA2_IO, /**< DPIO type device */
78 DPAA2_CI, /**< DPCI type device */
79 DPAA2_MPORTAL, /**< DPMCP type device */
80 /* Unknown device placeholder */
84 TAILQ_HEAD(rte_dpaa2_object_list, rte_dpaa2_object);
86 typedef int (*rte_dpaa2_obj_create_t)(int vdev_fd,
87 struct vfio_device_info *obj_info,
91 * A structure describing a DPAA2 object.
93 struct rte_dpaa2_object {
94 TAILQ_ENTRY(rte_dpaa2_object) next; /**< Next in list. */
95 const char *name; /**< Name of Object. */
96 enum rte_dpaa2_dev_type dev_type; /**< Type of device */
97 rte_dpaa2_obj_create_t create;
101 * A structure describing a DPAA2 device.
103 struct rte_dpaa2_device {
104 TAILQ_ENTRY(rte_dpaa2_device) next; /**< Next probed DPAA2 device. */
105 struct rte_device device; /**< Inherit core device */
107 struct rte_eth_dev *eth_dev; /**< ethernet device */
108 struct rte_cryptodev *cryptodev; /**< Crypto Device */
110 enum rte_dpaa2_dev_type dev_type; /**< Device Type */
111 uint16_t object_id; /**< DPAA2 Object ID */
112 struct rte_intr_handle intr_handle; /**< Interrupt handle */
113 struct rte_dpaa2_driver *driver; /**< Associated driver */
114 char name[FSLMC_OBJECT_MAX_LEN]; /**< DPAA2 Object name*/
117 typedef int (*rte_dpaa2_probe_t)(struct rte_dpaa2_driver *dpaa2_drv,
118 struct rte_dpaa2_device *dpaa2_dev);
119 typedef int (*rte_dpaa2_remove_t)(struct rte_dpaa2_device *dpaa2_dev);
122 * A structure describing a DPAA2 driver.
124 struct rte_dpaa2_driver {
125 TAILQ_ENTRY(rte_dpaa2_driver) next; /**< Next in list. */
126 struct rte_driver driver; /**< Inherit core driver. */
127 struct rte_fslmc_bus *fslmc_bus; /**< FSLMC bus reference */
128 uint32_t drv_flags; /**< Flags for controlling device.*/
129 enum rte_dpaa2_dev_type drv_type; /**< Driver Type */
130 rte_dpaa2_probe_t probe;
131 rte_dpaa2_remove_t remove;
137 struct rte_fslmc_bus {
138 struct rte_bus bus; /**< Generic Bus object */
139 struct rte_fslmc_device_list device_list;
140 /**< FSLMC DPAA2 Device list */
141 struct rte_fslmc_driver_list driver_list;
142 /**< FSLMC DPAA2 Driver list */
144 /**< Optional: Count of devices on bus */
148 * Register a DPAA2 driver.
151 * A pointer to a rte_dpaa2_driver structure describing the driver
154 void rte_fslmc_driver_register(struct rte_dpaa2_driver *driver);
157 * Unregister a DPAA2 driver.
160 * A pointer to a rte_dpaa2_driver structure describing the driver
161 * to be unregistered.
163 void rte_fslmc_driver_unregister(struct rte_dpaa2_driver *driver);
165 /** Helper for DPAA2 device registration from driver (eth, crypto) instance */
166 #define RTE_PMD_REGISTER_DPAA2(nm, dpaa2_drv) \
167 RTE_INIT(dpaa2initfn_ ##nm); \
168 static void dpaa2initfn_ ##nm(void) \
170 (dpaa2_drv).driver.name = RTE_STR(nm);\
171 rte_fslmc_driver_register(&dpaa2_drv); \
173 RTE_PMD_EXPORT_NAME(nm, __COUNTER__)
180 * Register a DPAA2 MC Object driver.
183 * A pointer to a rte_dpaa_object structure describing the mc object
186 void rte_fslmc_object_register(struct rte_dpaa2_object *object);
188 /** Helper for DPAA2 object registration */
189 #define RTE_PMD_REGISTER_DPAA2_OBJECT(nm, dpaa2_obj) \
190 RTE_INIT(dpaa2objinitfn_ ##nm); \
191 static void dpaa2objinitfn_ ##nm(void) \
193 (dpaa2_obj).name = RTE_STR(nm);\
194 rte_fslmc_object_register(&dpaa2_obj); \
196 RTE_PMD_EXPORT_NAME(nm, __COUNTER__)
198 #endif /* _RTE_FSLMC_H_ */