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#ifndef __XEN_PDB_H_
#define __XEN_PDB_H_
#define PDB_OPCODE_ATTACH 1
#define PDB_OPCODE_DETACH 2
#define PDB_OPCODE_RD_REG 3
typedef struct pdb_op_rd_reg
{
u32 reg;
} pdb_op_rd_reg_t, *pdb_op_rd_reg_p;
#define PDB_OPCODE_WR_REG 4
typedef struct pdb_op_wr_reg
{
u32 reg;
u32 value;
} pdb_op_wr_reg_t, *pdb_op_wr_reg_p;
typedef struct
{
u8 operation; /* PDB_OPCODE_??? */
u32 domain;
u32 process;
union
{
pdb_op_rd_reg_t rd_reg;
pdb_op_wr_reg_t wr_reg;
} u;
} PACKED pdb_request_t, *pdb_request_p;
#define PDB_RESPONSE_OKAY 0
#define PDB_RESPONSE_ERROR -1
typedef struct {
u8 operation; /* copied from request */
s16 status; /* PDB_RESPONSE_??? */
u32 value;
} PACKED pdb_response_t, *pdb_response_p;
DEFINE_RING_TYPES(pdb, pdb_request_t, pdb_response_t);
int pdb_attach (int pid);
int pdb_detach (int pid);
int pdb_read_register (int pid, pdb_op_rd_reg_p op, unsigned long *dest);
int pdb_write_register (int pid, pdb_op_wr_reg_p op);
#endif
/*
* Local variables:
* mode: C
* c-set-style: "BSD"
* c-basic-offset: 4
* tab-width: 4
* indent-tabs-mode: nil
* End:
*/
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