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  • Committer: Suren A. Chilingaryan
  • Date: 2015-04-20 20:01:04 UTC
  • Revision ID: csa@suren.me-20150420200104-b5xny65io8lvoz3w
Big redign of model structures

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Lines of Context:
dma.h
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#define _PCILIB_DMA_H
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#define PCILIB_DMA_BUFFER_INVALID ((size_t)-1)
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#define PCILIB_DMA_MODIFICATION_DEFAULT 0               /**< first 0x100 are reserved */
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typedef uint32_t pcilib_dma_modification_t;
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typedef struct {
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    int started;
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    size_t ring_head, ring_tail;
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} pcilib_dma_engine_status_t;
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typedef enum {
 
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    PCILIB_DMA_TYPE_BLOCK,
 
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    PCILIB_DMA_TYPE_PACKET,
 
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    PCILIB_DMA_TYPE_UNKNOWN
 
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} pcilib_dma_engine_type_t;
 
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typedef struct {
 
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    pcilib_dma_engine_addr_t addr;
 
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    pcilib_dma_engine_type_t type;
 
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    pcilib_dma_direction_t direction;
 
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    size_t addr_bits;
 
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    const char *name;
 
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    const char *description;
 
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} pcilib_dma_engine_description_t;
 
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typedef struct {
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    int used;
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    int error;
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    size_t size;
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} pcilib_dma_buffer_status_t;
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struct pcilib_dma_api_description_s {
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    const char *title;
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    pcilib_dma_context_t *(*init)(pcilib_t *ctx, pcilib_dma_modification_t type, void *arg);
 
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/*
 
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typedef struct {
 
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    int ignore_eop;
 
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} pcilib_dma_parameters_t;
 
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*/
 
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typedef struct {
 
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//    pcilib_dma_parameters_t params;
 
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    pcilib_t *pcilib;
 
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} pcilib_dma_context_t;
 
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typedef struct {
 
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    pcilib_dma_context_t *(*init)(pcilib_t *ctx, const char *model, const void *arg);
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    void (*free)(pcilib_dma_context_t *ctx);
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    int (*status)(pcilib_dma_context_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_engine_status_t *status, size_t n_buffers, pcilib_dma_buffer_status_t *buffers);
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    int (*stream)(pcilib_dma_context_t *ctx, pcilib_dma_engine_t dma, uintptr_t addr, size_t size, pcilib_dma_flags_t flags, pcilib_timeout_t timeout, pcilib_dma_callback_t cb, void *cbattr);
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    double (*benchmark)(pcilib_dma_context_t *ctx, pcilib_dma_engine_addr_t dma, uintptr_t addr, size_t size, size_t iterations, pcilib_dma_direction_t direction);
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};
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struct pcilib_dma_context_s {
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    int ignore_eop;
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};
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int pcilib_set_dma_engine_description(pcilib_t *ctx, pcilib_dma_engine_t engine, pcilib_dma_engine_description_t *desc);
 
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} pcilib_dma_api_description_t;
 
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typedef struct {
 
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    const pcilib_dma_api_description_t *api;
 
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    const pcilib_register_bank_description_t *banks;
 
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    const pcilib_register_description_t *registers;
 
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    const pcilib_dma_engine_description_t *engines;
 
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    const char *model;
 
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    const void *args;
 
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    const char *name;
 
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    const char *description;
 
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} pcilib_dma_description_t;
 
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const pcilib_dma_description_t *pcilib_get_dma_info(pcilib_t *ctx);
 
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pcilib_dma_engine_t pcilib_add_dma_engine(pcilib_t *ctx, pcilib_dma_engine_description_t *desc);
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int pcilib_get_dma_status(pcilib_t *ctx, pcilib_dma_engine_t dma, pcilib_dma_engine_status_t *status, size_t n_buffers, pcilib_dma_buffer_status_t *buffers);
 
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int pcilib_init_dma(pcilib_t *ctx);
 
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#endif /* _PCILIB_DMA_H */