xyou
f1a2a110d7
Add the current OS source tree, build scripts, system image layout, and development notes covering DMA page allocation, e1000 bring-up, net API dispatch, and DHCP work in progress.
30 lines
711 B
C
30 lines
711 B
C
#ifndef UTSM_BLOCK_H
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#define UTSM_BLOCK_H
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#include <utsm/types.h>
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#define DKM_BLOCK_MAX_DEVICES 8u
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typedef int (*dkm_block_read_fn)(void *ctx, u64 lba, u32 count, void *buffer);
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typedef struct dkm_block_device_desc {
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const char *name;
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u64 sector_size;
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u64 sector_count;
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void *ctx;
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dkm_block_read_fn read;
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} dkm_block_device_desc;
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typedef struct dkm_block_api {
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int (*register_device)(const dkm_block_device_desc *desc);
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u32 (*device_count)(void);
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int (*read)(u32 index, u64 lba, u32 count, void *buffer);
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u64 (*sector_size)(u32 index);
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const char *(*device_name)(u32 index);
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} dkm_block_api;
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void block_init(void);
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const dkm_block_api *block_get_api(void);
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#endif
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