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spapr: nested: Introduce SpaprMachineStateNested to store related info.

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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>
This commit is contained in:
Harsh Prateek Bora 2024-03-08 16:49:29 +05:30 • committed by Nicholas Piggin
parent c2813a3570
commit 1331d0acc7
3 changed files with 11 additions and 5 deletions
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3
include/hw/ppc/spapr.h
View file

@ -12,6 +12,7 @@
#include "hw/ppc/spapr_xive.h" /* For SpaprXive */
#include "hw/ppc/xics.h" /* For ICSState */
#include "hw/ppc/spapr_tpm_proxy.h"
#include "hw/ppc/spapr_nested.h" /* For SpaprMachineStateNested */
struct SpaprVioBus;
struct SpaprPhbState;
@ -213,7 +214,7 @@ struct SpaprMachineState {
uint32_t vsmt; /* Virtual SMT mode (KVM's "core stride") */
/* Nested HV support (TCG only) */
uint64_t nested_ptcr;
SpaprMachineStateNested nested;
Notifier epow_notifier;
QTAILQ_HEAD(, SpaprEventLogEntry) pending_events;

5
include/hw/ppc/spapr_nested.h
View file

@ -3,6 +3,10 @@
#include "target/ppc/cpu.h"
typedef struct SpaprMachineStateNested {
uint64_t ptcr;
} SpaprMachineStateNested;
/*
* Register state for entering a nested guest with H_ENTER_NESTED.
* New member must be added at the end.
@ -96,6 +100,7 @@ struct nested_ppc_state {
};
void spapr_exit_nested(PowerPCCPU *cpu, int excp);
typedef struct SpaprMachineState SpaprMachineState;
bool spapr_get_pate_nested_hv(SpaprMachineState *spapr, PowerPCCPU *cpu,
target_ulong lpid, ppc_v3_pate_t *entry);
#endif /* HW_SPAPR_NESTED_H */