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Currently, nested_ptcr is being used by existing nested-hv API to store nested guest related info. This need to be organised to extend support for the nested PAPR API which would need to store additional info related to nested guests in next series of patches. Reviewed-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Harsh Prateek Bora <harshpb@linux.ibm.com> Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
106 lines
2.6 KiB
C
106 lines
2.6 KiB
C
#ifndef HW_SPAPR_NESTED_H
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#define HW_SPAPR_NESTED_H
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#include "target/ppc/cpu.h"
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typedef struct SpaprMachineStateNested {
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uint64_t ptcr;
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} SpaprMachineStateNested;
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/*
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* Register state for entering a nested guest with H_ENTER_NESTED.
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* New member must be added at the end.
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*/
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struct kvmppc_hv_guest_state {
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uint64_t version; /* version of this structure layout, must be first */
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uint32_t lpid;
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uint32_t vcpu_token;
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/* These registers are hypervisor privileged (at least for writing) */
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uint64_t lpcr;
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uint64_t pcr;
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uint64_t amor;
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uint64_t dpdes;
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uint64_t hfscr;
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int64_t tb_offset;
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uint64_t dawr0;
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uint64_t dawrx0;
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uint64_t ciabr;
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uint64_t hdec_expiry;
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uint64_t purr;
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uint64_t spurr;
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uint64_t ic;
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uint64_t vtb;
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uint64_t hdar;
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uint64_t hdsisr;
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uint64_t heir;
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uint64_t asdr;
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/* These are OS privileged but need to be set late in guest entry */
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uint64_t srr0;
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uint64_t srr1;
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uint64_t sprg[4];
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uint64_t pidr;
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uint64_t cfar;
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uint64_t ppr;
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/* Version 1 ends here */
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uint64_t dawr1;
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uint64_t dawrx1;
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/* Version 2 ends here */
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};
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/* Latest version of hv_guest_state structure */
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#define HV_GUEST_STATE_VERSION 2
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/* Linux 64-bit powerpc pt_regs struct, used by nested HV */
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struct kvmppc_pt_regs {
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uint64_t gpr[32];
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uint64_t nip;
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uint64_t msr;
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uint64_t orig_gpr3; /* Used for restarting system calls */
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uint64_t ctr;
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uint64_t link;
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uint64_t xer;
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uint64_t ccr;
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uint64_t softe; /* Soft enabled/disabled */
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uint64_t trap; /* Reason for being here */
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uint64_t dar; /* Fault registers */
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uint64_t dsisr; /* on 4xx/Book-E used for ESR */
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uint64_t result; /* Result of a system call */
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};
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/*
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* nested_ppc_state is used to save the host CPU state before switching it to
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* the guest CPU state, to be restored on H_ENTER_NESTED exit.
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*/
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struct nested_ppc_state {
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uint64_t gpr[32];
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uint64_t lr;
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uint64_t ctr;
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uint64_t cfar;
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uint64_t msr;
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uint64_t nip;
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uint32_t cr;
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uint64_t xer;
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uint64_t lpcr;
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uint64_t lpidr;
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uint64_t pidr;
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uint64_t pcr;
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uint64_t dpdes;
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uint64_t hfscr;
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uint64_t srr0;
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uint64_t srr1;
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uint64_t sprg0;
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uint64_t sprg1;
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uint64_t sprg2;
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uint64_t sprg3;
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uint64_t ppr;
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int64_t tb_offset;
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};
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void spapr_exit_nested(PowerPCCPU *cpu, int excp);
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typedef struct SpaprMachineState SpaprMachineState;
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bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu,
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target_ulong lpid, ppc_v3_pate_t *entry);
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#endif /* HW_SPAPR_NESTED_H */
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