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target/ppc: Support for H_RPT_INVALIDATE hcall

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If KVM_CAP_RPT_INVALIDATE KVM capability is enabled, then

- indicate the availability of H_RPT_INVALIDATE hcall to the guest via
  ibm,hypertas-functions property.
- Enable the hcall

Both the above are done only if the new sPAPR machine capability
cap-rpt-invalidate is set.

Signed-off-by: Bharata B Rao <bharata@linux.ibm.com>
Message-Id: <20210706112440.1449562-3-bharata@linux.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Bharata B Rao 2021-07-06 16:54:40 +05:30 • committed by David Gibson
parent 327d4b7f3f
commit 82123b756a
5 changed files with 77 additions and 2 deletions
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8
include/hw/ppc/spapr.h
View file

@ -75,8 +75,10 @@ typedef enum {
#define SPAPR_CAP_CCF_ASSIST 0x09
/* Implements PAPR FWNMI option */
#define SPAPR_CAP_FWNMI 0x0A
/* Support H_RPT_INVALIDATE */
#define SPAPR_CAP_RPT_INVALIDATE 0x0B
/* Num Caps */
#define SPAPR_CAP_NUM (SPAPR_CAP_FWNMI + 1)
#define SPAPR_CAP_NUM (SPAPR_CAP_RPT_INVALIDATE + 1)
/*
* Capability Values
@ -547,8 +549,9 @@ struct SpaprMachineState {
#define H_SCM_UNBIND_MEM 0x3F0
#define H_SCM_UNBIND_ALL 0x3FC
#define H_SCM_HEALTH 0x400
#define H_RPT_INVALIDATE 0x448
#define MAX_HCALL_OPCODE H_SCM_HEALTH
#define MAX_HCALL_OPCODE H_RPT_INVALIDATE
/* The hcalls above are standardized in PAPR and implemented by pHyp
* as well.
@ -939,6 +942,7 @@ extern const VMStateDescription vmstate_spapr_cap_nested_kvm_hv;
extern const VMStateDescription vmstate_spapr_cap_large_decr;
extern const VMStateDescription vmstate_spapr_cap_ccf_assist;
extern const VMStateDescription vmstate_spapr_cap_fwnmi;
extern const VMStateDescription vmstate_spapr_cap_rpt_invalidate;
static inline uint8_t spapr_get_cap(SpaprMachineState *spapr, int cap)
{