include/generic/dmapool_nommu.h

Go to the documentation of this file.

#ifndef GENERIC_DMAPOOL_NOMMU_H_INCLUDED
#define GENERIC_DMAPOOL_NOMMU_H_INCLUDED

#include <dma.h>
#include <mempool.h>

struct dma_pool {
        struct mem_pool mempool;
};

static inline void dma_pool_init_coherent(struct dma_pool *pool,
                phys_addr_t phys_start, size_t size, size_t objsize,
                unsigned int align_order)
{
        mem_pool_init(&pool->mempool, (void *)(uintptr_t)phys_start, size,
                        objsize, align_order);
}

static inline dma_addr_t dma_pool_alloc(struct dma_pool *pool)
{
        dma_addr_t      addr;

        /* This will also initialize phys since dma_addr_t is a union */
        addr.ptr = mem_pool_alloc(&pool->mempool);

        return addr;
}

static inline void dma_pool_free(struct dma_pool *pool, dma_addr_t addr)
{
        mem_pool_free(&pool->mempool, addr.ptr);
}


#endif /* GENERIC_DMAPOOL_NOMMU_H_INCLUDED */

---