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-rw-r--r--pcilib.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/pcilib.h b/pcilib.h
index f0e0746..88f3bfd 100644
--- a/pcilib.h
+++ b/pcilib.h
@@ -66,6 +66,7 @@ typedef enum {
#define PCILIB_BAR_INVALID ((pcilib_bar_t)-1)
#define PCILIB_BAR0 0
#define PCILIB_BAR1 1
+#define PCILIB_DMA_INVALID ((pcilib_dma_t)-1)
#define PCILIB_REGISTER_INVALID ((pcilib_register_t)-1)
#define PCILIB_ADDRESS_INVALID ((uintptr_t)-1)
#define PCILIB_REGISTER_BANK_INVALID ((pcilib_register_bank_t)-1)
@@ -163,7 +164,7 @@ typedef struct {
pcilib_dma_context_t *(*init)(pcilib_t *ctx);
void (*free)(pcilib_dma_context_t *ctx);
-// int (*read)(pcilib_dma_context_t *ctx, pcilib_event_t event_mask, pcilib_callback_t callback, void *user);
+ int (*read)(pcilib_dma_context_t *ctx, pcilib_dma_t dma, size_t size, void *buf);
// int (*write)(pcilib_dma_context_t *ctx);
} pcilib_dma_api_description_t;