eal/armv8: use high-resolution cycle counter

[dpdk.git] / lib / librte_eal / common / include / rte_dev.h

diff --git a/lib/librte_eal/common/include/rte_dev.h b/lib/librte_eal/common/include/rte_dev.h
index 3d0d2b8..d159991 100644 (file)
--- a/lib/librte_eal/common/include/rte_dev.h
+++ b/lib/librte_eal/common/include/rte_dev.h
@@ -100,9 +100,48 @@ rte_pmd_debug_trace(const char *func_name, const char *fmt, ...)
        } \
 } while (0)
 
+/**
+ * A generic memory resource representation.
+ */
+struct rte_mem_resource {
+       uint64_t phys_addr; /**< Physical address, 0 if not resource. */
+       uint64_t len;       /**< Length of the resource. */
+       void *addr;         /**< Virtual address, NULL when not mapped. */
+};
 
 /** Double linked list of device drivers. */
 TAILQ_HEAD(rte_driver_list, rte_driver);
+/** Double linked list of devices. */
+TAILQ_HEAD(rte_device_list, rte_device);
+
+/* Forward declaration */
+struct rte_driver;
+
+/**
+ * A structure describing a generic device.
+ */
+struct rte_device {
+       TAILQ_ENTRY(rte_device) next; /**< Next device */
+       struct rte_driver *driver;    /**< Associated driver */
+       int numa_node;                /**< NUMA node connection */
+       struct rte_devargs *devargs;  /**< Device user arguments */
+};
+
+/**
+ * Insert a device detected by a bus scanning.
+ *
+ * @param dev
+ *   A pointer to a rte_device structure describing the detected device.
+ */
+void rte_eal_device_insert(struct rte_device *dev);
+
+/**
+ * Remove a device (e.g. when being unplugged).
+ *
+ * @param dev
+ *   A pointer to a rte_device structure describing the device to be removed.
+ */
+void rte_eal_device_remove(struct rte_device *dev);
 
 /**
  * A structure describing a device driver.