9os

Experimental kernel using plan9 ideas for embedded device
git clone git://git.simple-cc.org/9os
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blk.h (289B)

      1 #define BLKSIZ      512
      2 
      3 typedef struct blk Blk;
      4 typedef struct blkphy Blkphy;
      5 
      6 struct blk {
      7 	mutex_t m;
      8 	Blkphy *phy;
      9 	void *data;
     10 };
     11 
     12 struct blkphy {
     13 	void (*init)(Blk *dev, Attr *attr);
     14 	int (*bread)(Blk *dev, long blkno, void *buf);
     15 	int (*bwrite)(Blk *dev, long blkno, void *buf);
     16 };