#include <rte_common.h>
#include <rte_compat.h>
#include <rte_config.h>
-
-/* forward declaration for pointers */
-struct rte_memseg_list;
+#include <rte_fbarray.h>
__extension__
enum rte_page_sizes {
uint32_t flags; /**< Memseg-specific flags */
} __rte_packed;
+/**
+ * memseg list is a special case as we need to store a bunch of other data
+ * together with the array itself.
+ */
+struct rte_memseg_list {
+ RTE_STD_C11
+ union {
+ void *base_va;
+ /**< Base virtual address for this memseg list. */
+ uint64_t addr_64;
+ /**< Makes sure addr is always 64-bits */
+ };
+ uint64_t page_sz; /**< Page size for all memsegs in this list. */
+ int socket_id; /**< Socket ID for all memsegs in this list. */
+ volatile uint32_t version; /**< version number for multiprocess sync. */
+ size_t len; /**< Length of memory area covered by this memseg list. */
+ unsigned int external; /**< 1 if this list points to external memory */
+ struct rte_fbarray memseg_arr;
+};
+
/**
* Lock page in physical memory and prevent from swapping.
*
* Virtual address corresponding to iova address (or NULL if address does not
* exist within DPDK memory map).
*/
-__rte_experimental void *
+__rte_experimental
+void *
rte_mem_iova2virt(rte_iova_t iova);
/**
* @return
* Memseg pointer on success, or NULL on error.
*/
-__rte_experimental struct rte_memseg *
+__rte_experimental
+struct rte_memseg *
rte_mem_virt2memseg(const void *virt, const struct rte_memseg_list *msl);
/**
* @return
* Memseg list to which this virtual address belongs to.
*/
-__rte_experimental struct rte_memseg_list *
+__rte_experimental
+struct rte_memseg_list *
rte_mem_virt2memseg_list(const void *virt);
/**
/**
* Memseg contig walk function prototype. This will trigger a callback on every
- * VA-contiguous are starting at memseg ``ms``, so total valid VA space at each
+ * VA-contiguous area starting at memseg ``ms``, so total valid VA space at each
* callback call will be [``ms->addr``, ``ms->addr + len``).
*
* Returning 0 will continue walk
* 1 if stopped by the user
* -1 if user function reported error
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_walk(rte_memseg_walk_t func, void *arg);
/**
* 1 if stopped by the user
* -1 if user function reported error
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_contig_walk(rte_memseg_contig_walk_t func, void *arg);
/**
* 1 if stopped by the user
* -1 if user function reported error
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_list_walk(rte_memseg_list_walk_t func, void *arg);
/**
* 1 if stopped by the user
* -1 if user function reported error
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_walk_thread_unsafe(rte_memseg_walk_t func, void *arg);
/**
* 1 if stopped by the user
* -1 if user function reported error
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_contig_walk_thread_unsafe(rte_memseg_contig_walk_t func, void *arg);
/**
* 1 if stopped by the user
* -1 if user function reported error
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_list_walk_thread_unsafe(rte_memseg_list_walk_t func, void *arg);
/**
* - ENOENT - ``ms`` is an unused segment
* - ENOTSUP - segment fd's are not supported
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_get_fd(const struct rte_memseg *ms);
/**
* - ENOENT - ``ms`` is an unused segment
* - ENOTSUP - segment fd's are not supported
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_get_fd_thread_unsafe(const struct rte_memseg *ms);
/**
* - ENOENT - ``ms`` is an unused segment
* - ENOTSUP - segment fd's are not supported
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_get_fd_offset(const struct rte_memseg *ms, size_t *offset);
/**
* - ENOENT - ``ms`` is an unused segment
* - ENOTSUP - segment fd's are not supported
*/
-int __rte_experimental
+__rte_experimental
+int
rte_memseg_get_fd_offset_thread_unsafe(const struct rte_memseg *ms,
size_t *offset);
* EEXIST - memory chunk is already registered
* ENOSPC - no more space in internal config to store a new memory chunk
*/
-int __rte_experimental
+__rte_experimental
+int
rte_extmem_register(void *va_addr, size_t len, rte_iova_t iova_addrs[],
unsigned int n_pages, size_t page_sz);
* EINVAL - one of the parameters was invalid
* ENOENT - memory chunk was not found
*/
-int __rte_experimental
+__rte_experimental
+int
rte_extmem_unregister(void *va_addr, size_t len);
/**
* EINVAL - one of the parameters was invalid
* ENOENT - memory chunk was not found
*/
-int __rte_experimental
+__rte_experimental
+int
rte_extmem_attach(void *va_addr, size_t len);
/**
* EINVAL - one of the parameters was invalid
* ENOENT - memory chunk was not found
*/
-int __rte_experimental
+__rte_experimental
+int
rte_extmem_detach(void *va_addr, size_t len);
/**
* @param maskbits
* Address width to check against.
*/
-int __rte_experimental rte_mem_check_dma_mask(uint8_t maskbits);
+__rte_experimental
+int rte_mem_check_dma_mask(uint8_t maskbits);
/**
* @warning
* @param maskbits
* Address width to check against.
*/
-int __rte_experimental rte_mem_check_dma_mask_thread_unsafe(uint8_t maskbits);
+__rte_experimental
+int rte_mem_check_dma_mask_thread_unsafe(uint8_t maskbits);
/**
* @warning
* rte_mem_check_dma_mask and rte_mem_check_dma_mask_thread_unsafe can not be
* used safely until memory has been initialized.
*/
-void __rte_experimental rte_mem_set_dma_mask(uint8_t maskbits);
+__rte_experimental
+void rte_mem_set_dma_mask(uint8_t maskbits);
/**
* Drivers based on uio will not load unless physical
* -1 on unsuccessful callback register, with rte_errno value indicating
* reason for failure.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_mem_event_callback_register(const char *name, rte_mem_event_callback_t clb,
void *arg);
* -1 on unsuccessful callback unregister, with rte_errno value indicating
* reason for failure.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_mem_event_callback_unregister(const char *name, void *arg);
* -1 on unsuccessful callback register, with rte_errno value indicating
* reason for failure.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_mem_alloc_validator_register(const char *name,
rte_mem_alloc_validator_t clb, int socket_id, size_t limit);
* -1 on unsuccessful callback unregister, with rte_errno value indicating
* reason for failure.
*/
-int __rte_experimental
+__rte_experimental
+int
rte_mem_alloc_validator_unregister(const char *name, int socket_id);
#ifdef __cplusplus
git.droids-corp.org / dpdk.git / blobdiff