diff options
Diffstat (limited to 'kmem.h')
| -rw-r--r-- | kmem.h | 16 |
1 files changed, 14 insertions, 2 deletions
@@ -3,10 +3,20 @@ #include "pcilib.h" -typedef int pcilib_kmem_flags_t; +typedef enum { + PCILIB_KMEM_FLAG_REUSE = 1, /**< Try to reuse buffers on alloc and only unmap non-reused buffers on free (reused are freed only if FORCE flag is specified) */ +// PCILIB_KMEM_FLAG_FORCE = 2 /**< Force buffer +} pcilib_kmem_flags_t; + +typedef enum { + PCILIB_KMEM_REUSE_ALLOCATED = 0, + PCILIB_KMEM_REUSE_PARTIAL = 1, + PCILIB_KMEM_REUSE_REUSED = 2 +} pcilib_kmem_reuse_t; typedef struct { int handle_id; + int reused; uintptr_t pa; // uintptr_t va; void *ua; @@ -23,6 +33,7 @@ typedef struct { */ typedef struct { pcilib_kmem_addr_t addr; + pcilib_kmem_reuse_t reuse; size_t n_blocks; pcilib_kmem_addr_t blocks[]; @@ -39,12 +50,13 @@ struct pcilib_kmem_list_s { }; pcilib_kmem_handle_t *pcilib_alloc_kernel_memory(pcilib_t *ctx, pcilib_kmem_type_t type, size_t nmemb, size_t size, size_t alignment, pcilib_kmem_use_t use, pcilib_kmem_flags_t flags); -void pcilib_free_kernel_memory(pcilib_t *ctx, pcilib_kmem_handle_t *k); +void pcilib_free_kernel_memory(pcilib_t *ctx, pcilib_kmem_handle_t *k, pcilib_kmem_flags_t flags); int pcilib_sync_kernel_memory(pcilib_t *ctx, pcilib_kmem_handle_t *k, pcilib_kmem_sync_direction_t dir); void *pcilib_kmem_get_ua(pcilib_t *ctx, pcilib_kmem_handle_t *k); uintptr_t pcilib_kmem_get_pa(pcilib_t *ctx, pcilib_kmem_handle_t *k); void *pcilib_kmem_get_block_ua(pcilib_t *ctx, pcilib_kmem_handle_t *k, size_t block); uintptr_t pcilib_kmem_get_block_pa(pcilib_t *ctx, pcilib_kmem_handle_t *k, size_t block); size_t pcilib_kmem_get_block_size(pcilib_t *ctx, pcilib_kmem_handle_t *k, size_t block); +pcilib_kmem_reuse_t pcilib_kmem_is_reused(pcilib_t *ctx, pcilib_kmem_handle_t *k); #endif /* _PCILIB_KMEM_H */ |