[mirror_qemu.git] / include / hw / ppc / spapr_nested.h

#ifndef HW_SPAPR_NESTED_H
#define HW_SPAPR_NESTED_H

#include "target/ppc/cpu.h"

/*
 * Register state for entering a nested guest with H_ENTER_NESTED.
 * New member must be added at the end.
 */
struct kvmppc_hv_guest_state {
    uint64_t version;      /* version of this structure layout, must be first */
    uint32_t lpid;
    uint32_t vcpu_token;
    /* These registers are hypervisor privileged (at least for writing) */
    uint64_t lpcr;
    uint64_t pcr;
    uint64_t amor;
    uint64_t dpdes;
    uint64_t hfscr;
    int64_t tb_offset;
    uint64_t dawr0;
    uint64_t dawrx0;
    uint64_t ciabr;
    uint64_t hdec_expiry;
    uint64_t purr;
    uint64_t spurr;
    uint64_t ic;
    uint64_t vtb;
    uint64_t hdar;
    uint64_t hdsisr;
    uint64_t heir;
    uint64_t asdr;
    /* These are OS privileged but need to be set late in guest entry */
    uint64_t srr0;
    uint64_t srr1;
    uint64_t sprg[4];
    uint64_t pidr;
    uint64_t cfar;
    uint64_t ppr;
    /* Version 1 ends here */
    uint64_t dawr1;
    uint64_t dawrx1;
    /* Version 2 ends here */
};

/* Latest version of hv_guest_state structure */
#define HV_GUEST_STATE_VERSION  2

/* Linux 64-bit powerpc pt_regs struct, used by nested HV */
struct kvmppc_pt_regs {
    uint64_t gpr[32];
    uint64_t nip;
    uint64_t msr;
    uint64_t orig_gpr3;    /* Used for restarting system calls */
    uint64_t ctr;
    uint64_t link;
    uint64_t xer;
    uint64_t ccr;
    uint64_t softe;        /* Soft enabled/disabled */
    uint64_t trap;         /* Reason for being here */
    uint64_t dar;          /* Fault registers */
    uint64_t dsisr;        /* on 4xx/Book-E used for ESR */
    uint64_t result;       /* Result of a system call */
};

/*
 * nested_ppc_state is used to save the host CPU state before switching it to
 * the guest CPU state, to be restored on H_ENTER_NESTED exit.
 */
struct nested_ppc_state {
    uint64_t gpr[32];
    uint64_t lr;
    uint64_t ctr;
    uint64_t cfar;
    uint64_t msr;
    uint64_t nip;
    uint32_t cr;

    uint64_t xer;

    uint64_t lpcr;
    uint64_t lpidr;
    uint64_t pidr;
    uint64_t pcr;
    uint64_t dpdes;
    uint64_t hfscr;
    uint64_t srr0;
    uint64_t srr1;
    uint64_t sprg0;
    uint64_t sprg1;
    uint64_t sprg2;
    uint64_t sprg3;
    uint64_t ppr;

    int64_t tb_offset;
};

void spapr_register_nested(void);
void spapr_exit_nested(PowerPCCPU *cpu, int excp);

#endif /* HW_SPAPR_NESTED_H */
Commit	Line	Data
6b8a0537 NP	1	#ifndef HW_SPAPR_NESTED_H
	2	#define HW_SPAPR_NESTED_H
	3
6b8a0537 NP	4	#include "target/ppc/cpu.h"
	5
	6	/*
	7	* Register state for entering a nested guest with H_ENTER_NESTED.
	8	* New member must be added at the end.
	9	*/
	10	struct kvmppc_hv_guest_state {
	11	uint64_t version; /* version of this structure layout, must be first */
	12	uint32_t lpid;
	13	uint32_t vcpu_token;
	14	/* These registers are hypervisor privileged (at least for writing) */
	15	uint64_t lpcr;
	16	uint64_t pcr;
	17	uint64_t amor;
	18	uint64_t dpdes;
	19	uint64_t hfscr;
	20	int64_t tb_offset;
	21	uint64_t dawr0;
	22	uint64_t dawrx0;
	23	uint64_t ciabr;
	24	uint64_t hdec_expiry;
	25	uint64_t purr;
	26	uint64_t spurr;
	27	uint64_t ic;
	28	uint64_t vtb;
	29	uint64_t hdar;
	30	uint64_t hdsisr;
	31	uint64_t heir;
	32	uint64_t asdr;
	33	/* These are OS privileged but need to be set late in guest entry */
	34	uint64_t srr0;
	35	uint64_t srr1;
	36	uint64_t sprg[4];
	37	uint64_t pidr;
	38	uint64_t cfar;
	39	uint64_t ppr;
	40	/* Version 1 ends here */
	41	uint64_t dawr1;
	42	uint64_t dawrx1;
	43	/* Version 2 ends here */
	44	};
	45
	46	/* Latest version of hv_guest_state structure */
	47	#define HV_GUEST_STATE_VERSION 2
	48
	49	/* Linux 64-bit powerpc pt_regs struct, used by nested HV */
	50	struct kvmppc_pt_regs {
	51	uint64_t gpr[32];
	52	uint64_t nip;
	53	uint64_t msr;
	54	uint64_t orig_gpr3; /* Used for restarting system calls */
	55	uint64_t ctr;
	56	uint64_t link;
	57	uint64_t xer;
	58	uint64_t ccr;
	59	uint64_t softe; /* Soft enabled/disabled */
	60	uint64_t trap; /* Reason for being here */
	61	uint64_t dar; /* Fault registers */
	62	uint64_t dsisr; /* on 4xx/Book-E used for ESR */
	63	uint64_t result; /* Result of a system call */
	64	};
	65
	66	/*
	67	* nested_ppc_state is used to save the host CPU state before switching it to
68	* the guest CPU state, to be restored on H_ENTER_NESTED exit.
69	*/
70	struct nested_ppc_state {
71	uint64_t gpr[32];
72	uint64_t lr;
73	uint64_t ctr;
74	uint64_t cfar;
75	uint64_t msr;
76	uint64_t nip;
77	uint32_t cr;
78
79	uint64_t xer;
80
81	uint64_t lpcr;
82	uint64_t lpidr;
83	uint64_t pidr;
84	uint64_t pcr;
85	uint64_t dpdes;
86	uint64_t hfscr;
87	uint64_t srr0;
88	uint64_t srr1;
89	uint64_t sprg0;
90	uint64_t sprg1;
91	uint64_t sprg2;
92	uint64_t sprg3;
93	uint64_t ppr;
94
95	int64_t tb_offset;
96	};
97
98	void spapr_register_nested(void);
99	void spapr_exit_nested(PowerPCCPU *cpu, int excp);
100
101	#endif /* HW_SPAPR_NESTED_H */