CTB_H2G_BUFFER_SIZE
return (CTB_H2G_BUFFER_SIZE * HZ) / SZ_2K;
blob_size = 2 * CTB_DESC_SIZE + CTB_H2G_BUFFER_SIZE + CTB_G2H_BUFFER_SIZE;
cmds_size = CTB_H2G_BUFFER_SIZE;
cmds = blob + 2 * CTB_DESC_SIZE + CTB_H2G_BUFFER_SIZE;
#define CTB_G2H_BUFFER_SIZE (4 * CTB_H2G_BUFFER_SIZE)