#ifndef _EAL_PRIVATE_H_
#define _EAL_PRIVATE_H_
+#include <stdbool.h>
+#include <stdint.h>
#include <stdio.h>
#include <rte_pci.h>
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
+ * Probe the PCI bus
*
- * This function is private to EAL.
+ * @return
+ * - 0 on success.
+ * - !0 on error.
+ */
+int
+rte_pci_probe(void);
+
+/**
+ * Scan the content of the PCI bus, and the devices in the devices
+ * list
*
* @return
- * 0 on success, negative on error
+ * 0 on success, negative on error
*/
-int rte_eal_log_init(const char *id, int facility);
+int rte_pci_scan(void);
/**
- * Init the default log stream
+ * Probe the single PCI device.
*
- * This function is private to EAL.
+ * Scan the content of the PCI bus, and find the pci device specified by pci
+ * address, then call the probe() function for registered driver that has a
+ * matching entry in its id_table for discovered device.
*
+ * @param addr
+ * The PCI Bus-Device-Function address to probe.
* @return
- * 0 on success, negative on error
+ * - 0 on success.
+ * - Negative on error.
*/
-int rte_eal_pci_init(void);
+int rte_pci_probe_one(const struct rte_pci_addr *addr);
-#ifdef RTE_LIBRTE_IVSHMEM
/**
- * Init the memory from IVSHMEM devices
+ * Close the single PCI device.
*
- * This function is private to EAL.
+ * Scan the content of the PCI bus, and find the pci device specified by pci
+ * address, then call the remove() function for registered driver that has a
+ * matching entry in its id_table for discovered device.
*
+ * @param addr
+ * The PCI Bus-Device-Function address to close.
* @return
- * 0 on success, negative on error
+ * - 0 on success.
+ * - Negative on error.
+ */
+int rte_pci_detach(const struct rte_pci_addr *addr);
+
+/**
+ * Find the name of a PCI device.
*/
-int rte_eal_ivshmem_init(void);
+void pci_name_set(struct rte_pci_device *dev);
/**
- * Init objects in IVSHMEM devices
+ * 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.
+ *
+ * @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.
+ *
+ * @param pci_device
+ * PCI device to be removed from PCI Bus
+ * @return void
+ */
+void rte_pci_remove_device(struct rte_pci_device *pci_device);
+
+/**
+ * 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_ivshmem_obj_init(void);
-#endif
-
-struct rte_pci_driver;
-struct rte_pci_device;
+int pci_update_device(const struct rte_pci_addr *addr);
/**
* Unbind kernel driver for this device
int pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx,
struct mapped_pci_resource *uio_res, int map_idx);
+/*
+ * Match the PCI Driver and Device using the ID Table
+ *
+ * @param pci_drv
+ * PCI driver from which ID table would be extracted
+ * @param pci_dev
+ * PCI device to match against the driver
+ * @return
+ * 1 for successful match
+ * 0 for unsuccessful match
+ */
+int
+rte_pci_match(const struct rte_pci_driver *pci_drv,
+ const struct rte_pci_device *pci_dev);
+
/**
* Init tail queues for non-EAL library structures. This is to allow
* the rings, mempools, etc. lists to be shared among multiple processes
*/
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);
+
+/**
+ * Get TSC frequency if the architecture supports.
+ *
+ * This function is private to the EAL.
+ *
+ * @return
+ * The number of TSC cycles in one second.
+ * Returns zero if the architecture support is not available.
+ */
+uint64_t get_tsc_freq_arch(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);
+
+/**
+ * Find a bus capable of identifying a device.
+ *
+ * @param str
+ * A device identifier (PCI address, virtual PMD name, ...).
+ *
+ * @return
+ * A valid bus handle if found.
+ * NULL if no bus is able to parse this device.
+ */
+struct rte_bus *rte_bus_find_by_device_name(const char *str);
+
#endif /* _EAL_PRIVATE_H_ */
git.droids-corp.org / dpdk.git / blobdiff