X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=lib%2Flibrte_eal%2Fcommon%2Feal_private.h;h=4f809a83c2a92f8d22910b5c1b78ae7d94ae5c55;hb=b63264c8342e6a1b6971c79550d2af2024b6a4de;hp=0b2877000bbb7858461795d2b4593394f65528c4;hpb=ca33590b6af032bff57d9cc70455660466a654b2;p=deb_dpdk.git diff --git a/lib/librte_eal/common/eal_private.h b/lib/librte_eal/common/eal_private.h index 0b287700..4f809a83 100644 --- a/lib/librte_eal/common/eal_private.h +++ b/lib/librte_eal/common/eal_private.h @@ -9,6 +9,8 @@ #include #include +#include + /** * Initialize the memzone subsystem (private to eal). * @@ -44,6 +46,18 @@ void eal_log_set_default(FILE *default_log); */ int rte_eal_cpu_init(void); +/** + * Create memseg lists + * + * This function is private to EAL. + * + * Preallocate virtual memory. + * + * @return + * 0 on success, negative on error + */ +int rte_eal_memseg_init(void); + /** * Map memory * @@ -80,6 +94,12 @@ int rte_eal_timer_init(void); */ int rte_eal_log_init(const char *id, int facility); +/** + * Save the log regexp for later + */ +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 * the rings, mempools, etc. lists to be shared among multiple processes @@ -126,6 +146,39 @@ int rte_eal_alarm_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. * @@ -205,4 +258,50 @@ struct rte_bus *rte_bus_find_by_device_name(const char *str); 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); + +/** + * @internal + * Parse a device string and store its information in an + * rte_devargs structure. + * + * A device description is split by layers of abstraction of the device: + * bus, class and driver. Each layer will offer a set of properties that + * can be applied either to configure or recognize a device. + * + * This function will parse those properties and prepare the rte_devargs + * to be given to each layers for processing. + * + * Note: if the "data" field of the devargs points to devstr, + * then no dynamic allocation is performed and the rte_devargs + * can be safely discarded. + * + * Otherwise ``data`` will hold a workable copy of devstr, that will be + * used by layers descriptors within rte_devargs. In this case, + * any rte_devargs should be cleaned-up before being freed. + * + * @param da + * rte_devargs structure to fill. + * + * @param devstr + * Device string. + * + * @return + * 0 on success. + * Negative errno values on error (rte_errno is set). + */ +int +rte_devargs_layers_parse(struct rte_devargs *devargs, + const char *devstr); + #endif /* _EAL_PRIVATE_H_ */