1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright (C) 2022 Intel Corporation. 3 * All rights reserved. 4 */ 5 6 #ifndef SPDK_PCI_DPDK_H 7 #define SPDK_PCI_DPDK_H 8 9 #include "spdk/env.h" 10 11 #if RTE_VERSION < RTE_VERSION_NUM(21, 11, 0, 0) 12 #define RTE_TAILQ_HEAD(name, type) TAILQ_HEAD(name, type) 13 #define RTE_TAILQ_ENTRY(type) TAILQ_ENTRY(type) 14 #define RTE_TAILQ_FOREACH(var, head, field) TAILQ_FOREACH(var, head, field) 15 #endif 16 17 struct spdk_pci_driver { 18 uint8_t driver_buf[256]; 19 struct rte_pci_driver *driver; 20 21 const char *name; 22 const struct spdk_pci_id *id_table; 23 uint32_t drv_flags; 24 25 spdk_pci_enum_cb cb_fn; 26 void *cb_arg; 27 TAILQ_ENTRY(spdk_pci_driver) tailq; 28 }; 29 30 struct rte_pci_device; 31 struct rte_pci_driver; 32 struct rte_device; 33 34 struct dpdk_fn_table { 35 struct rte_mem_resource *(*pci_device_get_mem_resource)(struct rte_pci_device *dev, uint32_t bar); 36 const char *(*pci_device_get_name)(struct rte_pci_device *); 37 struct rte_devargs *(*pci_device_get_devargs)(struct rte_pci_device *); 38 struct rte_pci_addr *(*pci_device_get_addr)(struct rte_pci_device *); 39 struct rte_pci_id *(*pci_device_get_id)(struct rte_pci_device *); 40 int (*pci_device_get_numa_node)(struct rte_pci_device *_dev); 41 int (*pci_device_read_config)(struct rte_pci_device *dev, void *value, uint32_t len, 42 uint32_t offset); 43 int (*pci_device_write_config)(struct rte_pci_device *dev, void *value, uint32_t len, 44 uint32_t offset); 45 int (*pci_driver_register)(struct spdk_pci_driver *driver, 46 int (*probe_fn)(struct rte_pci_driver *driver, struct rte_pci_device *device), 47 int (*remove_fn)(struct rte_pci_device *device)); 48 int (*pci_device_enable_interrupt)(struct rte_pci_device *rte_dev); 49 int (*pci_device_disable_interrupt)(struct rte_pci_device *rte_dev); 50 int (*pci_device_get_interrupt_efd)(struct rte_pci_device *rte_dev); 51 void (*bus_scan)(void); 52 int (*bus_probe)(void); 53 struct rte_devargs *(*device_get_devargs)(struct rte_device *dev); 54 void (*device_set_devargs)(struct rte_device *dev, struct rte_devargs *devargs); 55 const char *(*device_get_name)(struct rte_device *dev); 56 bool (*device_scan_allowed)(struct rte_device *dev); 57 }; 58 59 int dpdk_pci_init(void); 60 61 struct rte_mem_resource *dpdk_pci_device_get_mem_resource(struct rte_pci_device *dev, uint32_t bar); 62 uint64_t dpdk_pci_device_vtophys(struct rte_pci_device *dev, uint64_t vaddr, size_t len); 63 const char *dpdk_pci_device_get_name(struct rte_pci_device *); 64 struct rte_devargs *dpdk_pci_device_get_devargs(struct rte_pci_device *); 65 struct rte_pci_addr *dpdk_pci_device_get_addr(struct rte_pci_device *); 66 struct rte_pci_id *dpdk_pci_device_get_id(struct rte_pci_device *); 67 int dpdk_pci_device_get_numa_node(struct rte_pci_device *_dev); 68 int dpdk_pci_device_read_config(struct rte_pci_device *dev, void *value, uint32_t len, 69 uint32_t offset); 70 int dpdk_pci_device_write_config(struct rte_pci_device *dev, void *value, uint32_t len, 71 uint32_t offset); 72 int dpdk_pci_driver_register(struct spdk_pci_driver *driver, 73 int (*probe_fn)(struct rte_pci_driver *driver, struct rte_pci_device *device), 74 int (*remove_fn)(struct rte_pci_device *device)); 75 int dpdk_pci_device_enable_interrupt(struct rte_pci_device *rte_dev); 76 int dpdk_pci_device_disable_interrupt(struct rte_pci_device *rte_dev); 77 int dpdk_pci_device_get_interrupt_efd(struct rte_pci_device *rte_dev); 78 void dpdk_bus_scan(void); 79 int dpdk_bus_probe(void); 80 struct rte_devargs *dpdk_device_get_devargs(struct rte_device *dev); 81 void dpdk_device_set_devargs(struct rte_device *dev, struct rte_devargs *devargs); 82 const char *dpdk_device_get_name(struct rte_device *dev); 83 bool dpdk_device_scan_allowed(struct rte_device *dev); 84 85 #endif /* ifndef SPDK_PCI_DPDK_H */ 86