diff options
Diffstat (limited to 'pcilib.h')
| -rw-r--r-- | pcilib.h | 33 |
1 files changed, 24 insertions, 9 deletions
@@ -21,6 +21,11 @@ typedef struct pcilib_s pcilib_t; typedef void pcilib_context_t; typedef void pcilib_dma_context_t; +typedef struct pcilib_dma_api_description_s pcilib_dma_api_description_t; + + +typedef unsigned long pcilib_irq_source_t; + typedef uint8_t pcilib_bar_t; /**< Type holding the PCI Bar number */ typedef uint8_t pcilib_register_t; /**< Type holding the register ID within the Bank */ typedef uint8_t pcilib_register_addr_t; /**< Type holding the register ID within the Bank */ @@ -32,7 +37,6 @@ typedef uint64_t pcilib_event_id_t; typedef uint8_t pcilib_dma_addr_t; typedef uint8_t pcilib_dma_t; - typedef uint32_t pcilib_event_t; typedef enum { @@ -62,6 +66,12 @@ typedef enum { PCILIB_EVENT_DATA } pcilib_event_data_type_t; +typedef enum { + PCILIB_DMA_FLAGS_DEFAULT = 0, + PCILIB_DMA_FLAG_EOP = 1 +} pcilib_dma_flags_t; + + #define PCILIB_BAR_DETECT ((pcilib_bar_t)-1) #define PCILIB_BAR_INVALID ((pcilib_bar_t)-1) #define PCILIB_BAR0 0 @@ -82,6 +92,8 @@ typedef enum { #define PCILIB_EVENTS_ALL ((pcilib_event_t)-1) #define PCILIB_EVENT_INVALID ((pcilib_event_t)-1) #define PCILIB_EVENT_ID_INVALID 0 +#define PCILIB_TIMEOUT_INFINITE ((size_t)-1) +#define PCILIB_TIMEOUT_IMMEDIATE 0 typedef struct { pcilib_register_bank_addr_t addr; @@ -161,14 +173,6 @@ typedef struct { typedef int (*pcilib_callback_t)(pcilib_event_t event, pcilib_event_id_t event_id, void *user); 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_dma_t dma, size_t size, void *buf); -// int (*write)(pcilib_dma_context_t *ctx); -} pcilib_dma_api_description_t; - -typedef struct { pcilib_context_t *(*init)(pcilib_t *ctx); void (*free)(pcilib_context_t *ctx); @@ -219,10 +223,21 @@ pcilib_register_bank_t pcilib_find_bank_by_name(pcilib_t *ctx, const char *bankn pcilib_register_bank_t pcilib_find_bank(pcilib_t *ctx, const char *bank); pcilib_register_t pcilib_find_register(pcilib_t *ctx, const char *bank, const char *reg); pcilib_event_t pcilib_find_event(pcilib_t *ctx, const char *event); +pcilib_dma_t pcilib_find_dma_by_addr(pcilib_t *ctx, pcilib_dma_direction_t direction, pcilib_dma_addr_t dma); + int pcilib_read(pcilib_t *ctx, pcilib_bar_t bar, uintptr_t addr, size_t size, void *buf); int pcilib_write(pcilib_t *ctx, pcilib_bar_t bar, uintptr_t addr, size_t size, void *buf); +typedef int (*pcilib_dma_callback_t)(void *ctx, pcilib_dma_flags_t flags, size_t bufsize, void *buf); + +int pcilib_skip_dma(pcilib_t *ctx, pcilib_dma_t dma); +size_t pcilib_stream_dma(pcilib_t *ctx, pcilib_dma_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, size_t timeout, pcilib_dma_callback_t cb, void *cbattr); +size_t pcilib_push_dma(pcilib_t *ctx, pcilib_dma_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, size_t timeout, void *buf); +size_t pcilib_read_dma(pcilib_t *ctx, pcilib_dma_t dma, uintptr_t addr, size_t size, void *buf); +size_t pcilib_write_dma(pcilib_t *ctx, pcilib_dma_t dma, uintptr_t addr, size_t size, void *buf); +double pcilib_benchmark_dma(pcilib_t *ctx, pcilib_dma_addr_t dma, uintptr_t addr, size_t size, size_t iterations, pcilib_dma_direction_t direction); + int pcilib_read_register_space(pcilib_t *ctx, const char *bank, pcilib_register_addr_t addr, size_t n, pcilib_register_value_t *buf); int pcilib_write_register_space(pcilib_t *ctx, const char *bank, pcilib_register_addr_t addr, size_t n, pcilib_register_value_t *buf); int pcilib_read_register_by_id(pcilib_t *ctx, pcilib_register_t reg, pcilib_register_value_t *value); |