enum rte_dev_event_type event,
void *cb_arg);
-__attribute__((format(printf, 2, 0)))
-static inline void
-rte_pmd_debug_trace(const char *func_name, const char *fmt, ...)
-{
- va_list ap;
-
- va_start(ap, fmt);
-
- {
- char buffer[vsnprintf(NULL, 0, fmt, ap) + 1];
-
- va_end(ap);
-
- va_start(ap, fmt);
- vsnprintf(buffer, sizeof(buffer), fmt, ap);
- va_end(ap);
-
- rte_log(RTE_LOG_ERR, RTE_LOGTYPE_PMD, "%s: %s",
- func_name, buffer);
- }
-}
-
-/*
- * Enable RTE_PMD_DEBUG_TRACE() when at least one component relying on the
- * RTE_*_RET() macros defined below is compiled in debug mode.
- */
-#if defined(RTE_LIBRTE_EVENTDEV_DEBUG)
-#define RTE_PMD_DEBUG_TRACE(...) \
- rte_pmd_debug_trace(__func__, __VA_ARGS__)
-#else
-#define RTE_PMD_DEBUG_TRACE(...) (void)0
-#endif
-
-/* Macros for checking for restricting functions to primary instance only */
-#define RTE_PROC_PRIMARY_OR_ERR_RET(retval) do { \
- if (rte_eal_process_type() != RTE_PROC_PRIMARY) { \
- RTE_PMD_DEBUG_TRACE("Cannot run in secondary processes\n"); \
- return retval; \
- } \
-} while (0)
-
-#define RTE_PROC_PRIMARY_OR_RET() do { \
- if (rte_eal_process_type() != RTE_PROC_PRIMARY) { \
- RTE_PMD_DEBUG_TRACE("Cannot run in secondary processes\n"); \
- return; \
- } \
-} while (0)
-
/* Macros to check for invalid function pointers */
#define RTE_FUNC_PTR_OR_ERR_RET(func, retval) do { \
- if ((func) == NULL) { \
- RTE_PMD_DEBUG_TRACE("Function not supported\n"); \
+ if ((func) == NULL) \
return retval; \
- } \
} while (0)
#define RTE_FUNC_PTR_OR_RET(func) do { \
- if ((func) == NULL) { \
- RTE_PMD_DEBUG_TRACE("Function not supported\n"); \
+ if ((func) == NULL) \
return; \
- } \
} while (0)
/**
};
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Query status of a device.
*
* @param dev
* @return
* (int)true if already probed successfully, 0 otherwise.
*/
-__rte_experimental
int rte_dev_is_probed(const struct rte_device *dev);
/**
const char *drvargs);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Add matching devices.
*
* In multi-process, it will request other processes to add the same device.
* @return
* 0 on success, negative on error.
*/
-int __rte_experimental rte_dev_probe(const char *devargs);
+int rte_dev_probe(const char *devargs);
/**
* Hotplug remove a given device from a specific bus.
int rte_eal_hotplug_remove(const char *busname, const char *devname);
/**
- * @warning
- * @b EXPERIMENTAL: this API may change without prior notice
- *
* Remove one device.
*
* In multi-process, it will request other processes to remove the same device.
* @return
* 0 on success, negative on error.
*/
-int __rte_experimental rte_dev_remove(struct rte_device *dev);
+int rte_dev_remove(struct rte_device *dev);
/**
* Device comparison function.
* "pci:v8086:d*:sv*:sd*" all PCI devices supported by this driver
* whose vendor id is 0x8086.
*
- * The format of the kernel modules list is a parenthesed expression
+ * The format of the kernel modules list is a parenthesized expression
* containing logical-and (&) and logical-or (|).
*
* The device pattern and the kmod expression are separated by a space.
* @b EXPERIMENTAL: this API may change without prior notice
*
* It registers the callback for the specific device.
- * Multiple callbacks cal be registered at the same time.
+ * Multiple callbacks can be registered at the same time.
*
* @param device_name
* The device name, that is the param name of the struct rte_device,
* - On success, zero.
* - On failure, a negative value.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_dev_event_callback_register(const char *device_name,
rte_dev_event_cb_fn cb_fn,
void *cb_arg);
* - On success, return the number of callback entities removed.
* - On failure, a negative value.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_dev_event_callback_unregister(const char *device_name,
rte_dev_event_cb_fn cb_fn,
void *cb_arg);
* @param event
* the device event type.
*/
-void __rte_experimental
+__rte_experimental
+void
rte_dev_event_callback_process(const char *device_name,
enum rte_dev_event_type event);
* - On success, zero.
* - On failure, a negative value.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_dev_event_monitor_start(void);
/**
* - On success, zero.
* - On failure, a negative value.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_dev_event_monitor_stop(void);
/**
* - On success, zero.
* - On failure, a negative value.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_dev_hotplug_handle_enable(void);
/**
* - On success, zero.
* - On failure, a negative value.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_dev_hotplug_handle_disable(void);
+/**
+ * Device level DMA map function.
+ * After a successful call, the memory segment will be mapped to the
+ * given device.
+ *
+ * @note: Memory must be registered in advance using rte_extmem_* APIs.
+ *
+ * @param dev
+ * Device pointer.
+ * @param addr
+ * Virtual address to map.
+ * @param iova
+ * IOVA address to map.
+ * @param len
+ * Length of the memory segment being mapped.
+ *
+ * @return
+ * 0 if mapping was successful.
+ * Negative value and rte_errno is set otherwise.
+ */
+__rte_experimental
+int
+rte_dev_dma_map(struct rte_device *dev, void *addr, uint64_t iova, size_t len);
+
+/**
+ * Device level DMA unmap function.
+ * After a successful call, the memory segment will no longer be
+ * accessible by the given device.
+ *
+ * @note: Memory must be registered in advance using rte_extmem_* APIs.
+ *
+ * @param dev
+ * Device pointer.
+ * @param addr
+ * Virtual address to unmap.
+ * @param iova
+ * IOVA address to unmap.
+ * @param len
+ * Length of the memory segment being mapped.
+ *
+ * @return
+ * 0 if un-mapping was successful.
+ * Negative value and rte_errno is set otherwise.
+ */
+__rte_experimental
+int
+rte_dev_dma_unmap(struct rte_device *dev, void *addr, uint64_t iova,
+ size_t len);
+
#endif /* _RTE_DEV_H_ */
git.droids-corp.org / dpdk.git / blobdiff