X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_private.h;h=bdadc4d502f5a059e07e9a547fb9c38739bf3618;hb=ea2dc1066870906fba326837d2efe8a37a99eebe;hp=072e672b4635fd182c13ef4385c9a797e2bf7f12;hpb=d12b6da14bfa910fbd5b9b51961eb26466302d24;p=dpdk.git diff --git a/lib/librte_eal/common/eal_private.h b/lib/librte_eal/common/eal_private.h index 072e672b46..bdadc4d502 100644 --- a/lib/librte_eal/common/eal_private.h +++ b/lib/librte_eal/common/eal_private.h @@ -1,41 +1,15 @@ -/*- - * BSD LICENSE - * - * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * * Neither the name of Intel Corporation nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2018 Intel Corporation */ #ifndef _EAL_PRIVATE_H_ #define _EAL_PRIVATE_H_ +#include +#include #include -#include + +#include /** * Initialize the memzone subsystem (private to eal). @@ -47,10 +21,9 @@ 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. @@ -58,7 +31,7 @@ int rte_eal_memzone_init(void); * - 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 @@ -99,16 +72,6 @@ int rte_eal_memory_init(void); */ int rte_eal_timer_init(void); -/** - * Init early logs - * - * This function is private to EAL. - * - * @return - * 0 on success, negative on error - */ -int rte_eal_log_early_init(void); - /** * Init the default log stream * @@ -120,132 +83,10 @@ int rte_eal_log_early_init(void); int rte_eal_log_init(const char *id, int facility); /** - * Init the default log stream - * - * This function is private to EAL. - * - * @return - * 0 on success, negative on error - */ -int rte_eal_pci_init(void); - -#ifdef RTE_LIBRTE_IVSHMEM -/** - * Init the memory from IVSHMEM devices - * - * This function is private to EAL. - * - * @return - * 0 on success, negative on error + * Save the log regexp for later */ -int rte_eal_ivshmem_init(void); - -/** - * Init objects in IVSHMEM devices - * - * This function is private to EAL. - * - * @return - * 0 on success, negative on error - */ -int rte_eal_ivshmem_obj_init(void); -#endif - -struct rte_pci_driver; -struct rte_pci_device; - -/** - * Unbind kernel driver for this device - * - * This function is private to EAL. - * - * @return - * 0 on success, negative on error - */ -int pci_unbind_kernel_driver(struct rte_pci_device *dev); - -/** - * Map this device - * - * This function is private to EAL. - * - * @return - * 0 on success, negative on error and positive if no driver - * is found for the device. - */ -int pci_map_device(struct rte_pci_device *dev); - -/** - * Unmap this device - * - * This function is private to EAL. - */ -void pci_unmap_device(struct rte_pci_device *dev); - -/** - * Map the PCI resource of a PCI device in virtual memory - * - * This function is private to EAL. - * - * @return - * 0 on success, negative on error - */ -int pci_uio_map_resource(struct rte_pci_device *dev); - -/** - * Unmap the PCI resource of a PCI device - * - * This function is private to EAL. - */ -void pci_uio_unmap_resource(struct rte_pci_device *dev); - -/** - * 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 pci_uio_alloc_resource(struct rte_pci_device *dev, - struct mapped_pci_resource **uio_res); - -/** - * Free uio resource for PCI device - * - * This function is private to EAL. - * - * @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 pci_uio_map_resource_by_index(struct rte_pci_device *dev, int res_idx, - struct mapped_pci_resource *uio_res, int map_idx); +int rte_log_save_regexp(const char *type, int priority); +int rte_log_save_pattern(const char *pattern, int priority); /** * Init tail queues for non-EAL library structures. This is to allow @@ -279,13 +120,6 @@ int rte_eal_intr_init(void); */ 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. @@ -300,6 +134,39 @@ int rte_eal_dev_init(void); */ int rte_eal_check_module(const char *module_name); +/** + * Get virtual area of specified size from the OS. + * + * This function is private to the EAL. + * + * @param requested_addr + * Address where to request address space. + * @param size + * Size of requested area. + * @param page_sz + * Page size on which to align requested virtual area. + * @param flags + * EAL_VIRTUAL_AREA_* flags. + * @param mmap_flags + * Extra flags passed directly to mmap(). + * + * @return + * Virtual area address if successful. + * NULL if unsuccessful. + */ + +#define EAL_VIRTUAL_AREA_ADDR_IS_HINT (1 << 0) +/**< don't fail if cannot get exact requested address. */ +#define EAL_VIRTUAL_AREA_ALLOW_SHRINK (1 << 1) +/**< try getting smaller sized (decrement by page size) virtual areas if cannot + * get area of requested size. + */ +#define EAL_VIRTUAL_AREA_UNMAP (1 << 2) +/**< immediately unmap reserved virtual area. */ +void * +eal_get_virtual_area(void *requested_addr, size_t *size, + size_t page_sz, int flags, int mmap_flags); + /** * Get cpu core_id. * @@ -328,6 +195,17 @@ void set_tsc_freq(void); */ 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 @@ -346,4 +224,38 @@ int rte_eal_hugepage_init(void); */ 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); + +/** + * Create the unix channel for primary/secondary communication. + * + * @return + * 0 on success; + * (<0) on failure. + */ + +int rte_mp_channel_init(void); + +/** + * Internal Executes all the user application registered callbacks for + * the specific device. It is for DPDK internal user only. User + * application should not call it directly. + * + * @param device_name + * The device name. + * @param event + * the device event type. + */ +void dev_callback_process(char *device_name, enum rte_dev_event_type event); + #endif /* _EAL_PRIVATE_H_ */