#ifndef _EAL_PRIVATE_H_
#define _EAL_PRIVATE_H_
+#include <stdbool.h>
#include <stdio.h>
+#include <rte_pci.h>
/**
* Initialize the memzone subsystem (private to eal).
int rte_eal_memzone_init(void);
/**
- * Common log initialization function (private to eal).
- *
- * Called by environment-specific log initialization function to initialize
- * log history.
+ * Common log initialization function (private to eal). Determines
+ * where log data is written when no call to rte_openlog_stream is
+ * in effect.
*
* @param default_log
* The default log stream to be used.
* - 0 on success
* - Negative on error
*/
-int rte_eal_common_log_init(FILE *default_log);
+void eal_log_set_default(FILE *default_log);
/**
* Fill configuration with number of physical and logical processors
int rte_eal_timer_init(void);
/**
- * Init early logs
+ * Init the default log stream
*
* This function is private to EAL.
*
* @return
* 0 on success, negative on error
*/
-int rte_eal_log_early_init(void);
+int rte_eal_log_init(const char *id, int facility);
+
+struct rte_pci_driver;
+struct rte_pci_device;
/**
- * Init the default log stream
+ * Add a PCI device to the PCI Bus (append to PCI Device list). This function
+ * also updates the bus references of the PCI Device (and the generic device
+ * object embedded within.
*
- * This function is private to EAL.
+ * @param pci_dev
+ * PCI device to add
+ * @return void
+ */
+void rte_pci_add_device(struct rte_pci_device *pci_dev);
+
+/**
+ * Insert a PCI device in the PCI Bus at a particular location in the device
+ * list. It also updates the PCI Bus reference of the new devices to be
+ * inserted.
+ *
+ * @param exist_pci_dev
+ * Existing PCI device in PCI Bus
+ * @param new_pci_dev
+ * PCI device to be added before exist_pci_dev
+ * @return void
+ */
+void rte_pci_insert_device(struct rte_pci_device *exist_pci_dev,
+ struct rte_pci_device *new_pci_dev);
+
+/**
+ * Remove a PCI device from the PCI Bus. This sets to NULL the bus references
+ * in the PCI device object as well as the generic device object.
*
- * @return
- * 0 on success, negative on error
+ * @param pci_device
+ * PCI device to be removed from PCI Bus
+ * @return void
*/
-int rte_eal_log_init(const char *id, int facility);
+void rte_pci_remove_device(struct rte_pci_device *pci_device);
/**
- * Init the default log stream
+ * Update a pci device object by asking the kernel for the latest information.
*
* This function is private to EAL.
*
+ * @param addr
+ * The PCI Bus-Device-Function address to look for
* @return
- * 0 on success, negative on error
+ * - 0 on success.
+ * - negative on error.
*/
-int rte_eal_pci_init(void);
+int pci_update_device(const struct rte_pci_addr *addr);
-#ifdef RTE_LIBRTE_IVSHMEM
/**
- * Init the memory from IVSHMEM devices
+ * Unbind kernel driver for this device
*
* This function is private to EAL.
*
* @return
- * 0 on success, negative on error
+ * 0 on success, negative on error
*/
-int rte_eal_ivshmem_init(void);
+int pci_unbind_kernel_driver(struct rte_pci_device *dev);
/**
- * Init objects in IVSHMEM devices
+ * Map the PCI resource of a PCI device in virtual memory
*
* This function is private to EAL.
*
* @return
- * 0 on success, negative on error
+ * 0 on success, negative on error
*/
-int rte_eal_ivshmem_obj_init(void);
-#endif
+int pci_uio_map_resource(struct rte_pci_device *dev);
-struct rte_pci_driver;
-struct rte_pci_device;
+/**
+ * Unmap the PCI resource of a PCI device
+ *
+ * This function is private to EAL.
+ */
+void pci_uio_unmap_resource(struct rte_pci_device *dev);
/**
- * Mmap memory for single PCI device
+ * Allocate uio resource for PCI device
*
* This function is private to EAL.
*
+ * @param dev
+ * PCI device to allocate uio resource
+ * @param uio_res
+ * Pointer to uio resource.
+ * If the function returns 0, the pointer will be filled.
* @return
* 0 on success, negative on error
*/
-int rte_eal_pci_probe_one_driver(struct rte_pci_driver *dr,
- struct rte_pci_device *dev);
+int pci_uio_alloc_resource(struct rte_pci_device *dev,
+ struct mapped_pci_resource **uio_res);
/**
- * Munmap memory for single PCI device
+ * Free uio resource for PCI device
*
* This function is private to EAL.
*
- * @param dr
- * The pointer to the pci driver structure
- * @param dev
- * The pointer to the pci device structure
+ * @param dev
+ * PCI device to free uio resource
+ * @param uio_res
+ * Pointer to uio resource.
+ */
+void pci_uio_free_resource(struct rte_pci_device *dev,
+ struct mapped_pci_resource *uio_res);
+
+/**
+ * Map device memory to uio resource
+ *
+ * This function is private to EAL.
+ *
+ * @param dev
+ * PCI device that has memory information.
+ * @param res_idx
+ * Memory resource index of the PCI device.
+ * @param uio_res
+ * uio resource that will keep mapping information.
+ * @param map_idx
+ * Mapping information index of the uio resource.
* @return
* 0 on success, negative on error
*/
-int rte_eal_pci_close_one_driver(struct rte_pci_driver *dr,
- struct rte_pci_device *dev);
+int pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx,
+ struct mapped_pci_resource *uio_res, int map_idx);
/**
* Init tail queues for non-EAL library structures. This is to allow
*/
int rte_eal_alarm_init(void);
-/**
- * This function initialises any virtual devices
- *
- * This function is private to the EAL.
- */
-int rte_eal_dev_init(void);
-
/**
* Function is to check if the kernel module(like, vfio, vfio_iommu_type1,
* etc.) loaded.
*/
int rte_eal_check_module(const char *module_name);
+/**
+ * Get cpu core_id.
+ *
+ * This function is private to the EAL.
+ */
+unsigned eal_cpu_core_id(unsigned lcore_id);
+
+/**
+ * Check if cpu is present.
+ *
+ * This function is private to the EAL.
+ */
+int eal_cpu_detected(unsigned lcore_id);
+
+/**
+ * Set TSC frequency from precise value or estimation
+ *
+ * This function is private to the EAL.
+ */
+void set_tsc_freq(void);
+
+/**
+ * Get precise TSC frequency from system
+ *
+ * This function is private to the EAL.
+ */
+uint64_t get_tsc_freq(void);
+
+/**
+ * Prepare physical memory mapping
+ * i.e. hugepages on Linux and
+ * contigmem on BSD.
+ *
+ * This function is private to the EAL.
+ */
+int rte_eal_hugepage_init(void);
+
+/**
+ * Creates memory mapping in secondary process
+ * i.e. hugepages on Linux and
+ * contigmem on BSD.
+ *
+ * This function is private to the EAL.
+ */
+int rte_eal_hugepage_attach(void);
+
+/**
+ * Returns true if the system is able to obtain
+ * physical addresses. Return false if using DMA
+ * addresses through an IOMMU.
+ *
+ * Drivers based on uio will not load unless physical
+ * addresses are obtainable. It is only possible to get
+ * physical addresses when running as a privileged user.
+ */
+bool rte_eal_using_phys_addrs(void);
+
#endif /* _EAL_PRIVATE_H_ */
git.droids-corp.org / dpdk.git / blobdiff